* [PATCH 01/18] v4l: uapi: add SDR format RU12LE
@ 2014-07-15 1:09 Antti Palosaari
2014-07-15 1:09 ` [PATCH 02/18] DocBook: V4L: add V4L2_SDR_FMT_RU12LE - 'RU12' Antti Palosaari
` (16 more replies)
0 siblings, 17 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
V4L2_SDR_FMT_RU12LE - Real unsigned 12-bit little endian sample
inside 16-bit (2 byte). V4L2 FourCC: RU12.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
include/uapi/linux/videodev2.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 168ff50..3cb60f6 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -439,6 +439,7 @@ struct v4l2_pix_format {
/* SDR formats - used only for Software Defined Radio devices */
#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
+#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
/*
* F O R M A T E N U M E R A T I O N
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 02/18] DocBook: V4L: add V4L2_SDR_FMT_RU12LE - 'RU12'
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 03/18] v4l: uapi: add SDR format CS8 Antti Palosaari
` (15 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Document V4L2_SDR_FMT_RU12LE format. It is real unsigned 12-bit
little endian sample inside 16-bit space. Used by software defined
radio devices.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
.../DocBook/media/v4l/pixfmt-sdr-ru12le.xml | 40 ++++++++++++++++++++++
Documentation/DocBook/media/v4l/pixfmt.xml | 1 +
2 files changed, 41 insertions(+)
create mode 100644 Documentation/DocBook/media/v4l/pixfmt-sdr-ru12le.xml
diff --git a/Documentation/DocBook/media/v4l/pixfmt-sdr-ru12le.xml b/Documentation/DocBook/media/v4l/pixfmt-sdr-ru12le.xml
new file mode 100644
index 0000000..3df076b
--- /dev/null
+++ b/Documentation/DocBook/media/v4l/pixfmt-sdr-ru12le.xml
@@ -0,0 +1,40 @@
+<refentry id="V4L2-SDR-FMT-RU12LE">
+ <refmeta>
+ <refentrytitle>V4L2_SDR_FMT_RU12LE ('RU12')</refentrytitle>
+ &manvol;
+ </refmeta>
+ <refnamediv>
+ <refname>
+ <constant>V4L2_SDR_FMT_RU12LE</constant>
+ </refname>
+ <refpurpose>Real unsigned 12-bit little endian sample</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <para>
+This format contains sequence of real number samples. Each sample is
+represented as a 12 bit unsigned little endian number. Sample is stored
+in 16 bit space with unused high bits padded with 0.
+ </para>
+ <example>
+ <title><constant>V4L2_SDR_FMT_RU12LE</constant> 1 sample</title>
+ <formalpara>
+ <title>Byte Order.</title>
+ <para>Each cell is one byte.
+ <informaltable frame="none">
+ <tgroup cols="3" align="center">
+ <colspec align="left" colwidth="2*" />
+ <tbody valign="top">
+ <row>
+ <entry>start + 0:</entry>
+ <entry>I'<subscript>0[7:0]</subscript></entry>
+ <entry>I'<subscript>0[11:8]</subscript></entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </informaltable>
+ </para>
+ </formalpara>
+ </example>
+ </refsect1>
+</refentry>
diff --git a/Documentation/DocBook/media/v4l/pixfmt.xml b/Documentation/DocBook/media/v4l/pixfmt.xml
index 91dcbc8..3e124aa 100644
--- a/Documentation/DocBook/media/v4l/pixfmt.xml
+++ b/Documentation/DocBook/media/v4l/pixfmt.xml
@@ -828,6 +828,7 @@ interface only.</para>
&sub-sdr-cu08;
&sub-sdr-cu16le;
+ &sub-sdr-ru12le;
</section>
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 03/18] v4l: uapi: add SDR format CS8
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
2014-07-15 1:09 ` [PATCH 02/18] DocBook: V4L: add V4L2_SDR_FMT_RU12LE - 'RU12' Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 04/18] DocBook: V4L: add V4L2_SDR_FMT_CS8 - 'CS08' Antti Palosaari
` (14 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
V4L2_SDR_FMT_CS8 - Complex signed 8-bit IQ sample
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
include/uapi/linux/videodev2.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 3cb60f6..e1ac240 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -439,6 +439,7 @@ struct v4l2_pix_format {
/* SDR formats - used only for Software Defined Radio devices */
#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
+#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
/*
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 04/18] DocBook: V4L: add V4L2_SDR_FMT_CS8 - 'CS08'
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
2014-07-15 1:09 ` [PATCH 02/18] DocBook: V4L: add V4L2_SDR_FMT_RU12LE - 'RU12' Antti Palosaari
2014-07-15 1:09 ` [PATCH 03/18] v4l: uapi: add SDR format CS8 Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 05/18] v4l: uapi: add SDR format CS14 Antti Palosaari
` (13 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
V4L2_SDR_FMT_CS8 is complex signed 8-bit sample format, used for
software defined radio devices.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
.../DocBook/media/v4l/pixfmt-sdr-cs08.xml | 44 ++++++++++++++++++++++
Documentation/DocBook/media/v4l/pixfmt.xml | 1 +
2 files changed, 45 insertions(+)
create mode 100644 Documentation/DocBook/media/v4l/pixfmt-sdr-cs08.xml
diff --git a/Documentation/DocBook/media/v4l/pixfmt-sdr-cs08.xml b/Documentation/DocBook/media/v4l/pixfmt-sdr-cs08.xml
new file mode 100644
index 0000000..6118d8f
--- /dev/null
+++ b/Documentation/DocBook/media/v4l/pixfmt-sdr-cs08.xml
@@ -0,0 +1,44 @@
+<refentry id="V4L2-SDR-FMT-CS08">
+ <refmeta>
+ <refentrytitle>V4L2_SDR_FMT_CS8 ('CS08')</refentrytitle>
+ &manvol;
+ </refmeta>
+ <refnamediv>
+ <refname>
+ <constant>V4L2_SDR_FMT_CS8</constant>
+ </refname>
+ <refpurpose>Complex signed 8-bit IQ sample</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <para>
+This format contains sequence of complex number samples. Each complex number
+consist two parts, called In-phase and Quadrature (IQ). Both I and Q are
+represented as a 8 bit signed number. I value comes first and Q value after
+that.
+ </para>
+ <example>
+ <title><constant>V4L2_SDR_FMT_CS8</constant> 1 sample</title>
+ <formalpara>
+ <title>Byte Order.</title>
+ <para>Each cell is one byte.
+ <informaltable frame="none">
+ <tgroup cols="2" align="center">
+ <colspec align="left" colwidth="2*" />
+ <tbody valign="top">
+ <row>
+ <entry>start + 0:</entry>
+ <entry>I'<subscript>0</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 1:</entry>
+ <entry>Q'<subscript>0</subscript></entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </informaltable>
+ </para>
+ </formalpara>
+ </example>
+ </refsect1>
+</refentry>
diff --git a/Documentation/DocBook/media/v4l/pixfmt.xml b/Documentation/DocBook/media/v4l/pixfmt.xml
index 3e124aa..3e90ded 100644
--- a/Documentation/DocBook/media/v4l/pixfmt.xml
+++ b/Documentation/DocBook/media/v4l/pixfmt.xml
@@ -828,6 +828,7 @@ interface only.</para>
&sub-sdr-cu08;
&sub-sdr-cu16le;
+ &sub-sdr-cs08;
&sub-sdr-ru12le;
</section>
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 05/18] v4l: uapi: add SDR format CS14
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (2 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 04/18] DocBook: V4L: add V4L2_SDR_FMT_CS8 - 'CS08' Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 06/18] DocBook: V4L: add V4L2_SDR_FMT_CS14LE - 'CS14' Antti Palosaari
` (12 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
V4L2_SDR_FMT_CS14LE - Complex signed 14-bit IQ sample
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
include/uapi/linux/videodev2.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index e1ac240..25ab057 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -440,6 +440,7 @@ struct v4l2_pix_format {
#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
+#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
/*
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 06/18] DocBook: V4L: add V4L2_SDR_FMT_CS14LE - 'CS14'
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (3 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 05/18] v4l: uapi: add SDR format CS14 Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 07/18] msi001: move out of staging Antti Palosaari
` (11 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
V4L2_SDR_FMT_CS14LE is complex signed 14-bit sample format, used
for software defined radio devices.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
.../DocBook/media/v4l/pixfmt-sdr-cs14le.xml | 47 ++++++++++++++++++++++
Documentation/DocBook/media/v4l/pixfmt.xml | 1 +
2 files changed, 48 insertions(+)
create mode 100644 Documentation/DocBook/media/v4l/pixfmt-sdr-cs14le.xml
diff --git a/Documentation/DocBook/media/v4l/pixfmt-sdr-cs14le.xml b/Documentation/DocBook/media/v4l/pixfmt-sdr-cs14le.xml
new file mode 100644
index 0000000..e4b494c
--- /dev/null
+++ b/Documentation/DocBook/media/v4l/pixfmt-sdr-cs14le.xml
@@ -0,0 +1,47 @@
+<refentry id="V4L2-SDR-FMT-CS14LE">
+ <refmeta>
+ <refentrytitle>V4L2_SDR_FMT_CS14LE ('CS14')</refentrytitle>
+ &manvol;
+ </refmeta>
+ <refnamediv>
+ <refname>
+ <constant>V4L2_SDR_FMT_CS14LE</constant>
+ </refname>
+ <refpurpose>Complex signed 14-bit little endian IQ sample</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+ <para>
+This format contains sequence of complex number samples. Each complex number
+consist two parts, called In-phase and Quadrature (IQ). Both I and Q are
+represented as a 14 bit signed little endian number. I value comes first
+and Q value after that. 14 bit value is stored in 16 bit space with unused
+high bits padded with 0.
+ </para>
+ <example>
+ <title><constant>V4L2_SDR_FMT_CS14LE</constant> 1 sample</title>
+ <formalpara>
+ <title>Byte Order.</title>
+ <para>Each cell is one byte.
+ <informaltable frame="none">
+ <tgroup cols="3" align="center">
+ <colspec align="left" colwidth="2*" />
+ <tbody valign="top">
+ <row>
+ <entry>start + 0:</entry>
+ <entry>I'<subscript>0[7:0]</subscript></entry>
+ <entry>I'<subscript>0[13:8]</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 2:</entry>
+ <entry>Q'<subscript>0[7:0]</subscript></entry>
+ <entry>Q'<subscript>0[13:8]</subscript></entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </informaltable>
+ </para>
+ </formalpara>
+ </example>
+ </refsect1>
+</refentry>
diff --git a/Documentation/DocBook/media/v4l/pixfmt.xml b/Documentation/DocBook/media/v4l/pixfmt.xml
index 3e90ded..df0c95c 100644
--- a/Documentation/DocBook/media/v4l/pixfmt.xml
+++ b/Documentation/DocBook/media/v4l/pixfmt.xml
@@ -829,6 +829,7 @@ interface only.</para>
&sub-sdr-cu08;
&sub-sdr-cu16le;
&sub-sdr-cs08;
+ &sub-sdr-cs14le;
&sub-sdr-ru12le;
</section>
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 07/18] msi001: move out of staging
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (4 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 06/18] DocBook: V4L: add V4L2_SDR_FMT_CS14LE - 'CS14' Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 08/18] MAINTAINERS: update MSI001 driver location Antti Palosaari
` (10 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Move MSi001 driver from staging to drivers/media/tuners/.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/tuners/Kconfig | 6 +
drivers/media/tuners/Makefile | 1 +
drivers/media/tuners/msi001.c | 500 +++++++++++++++++++++++++++++++++
drivers/staging/media/msi3101/Kconfig | 3 -
drivers/staging/media/msi3101/Makefile | 1 -
drivers/staging/media/msi3101/msi001.c | 500 ---------------------------------
6 files changed, 507 insertions(+), 504 deletions(-)
create mode 100644 drivers/media/tuners/msi001.c
delete mode 100644 drivers/staging/media/msi3101/msi001.c
diff --git a/drivers/media/tuners/Kconfig b/drivers/media/tuners/Kconfig
index 22b6b8b..906461d 100644
--- a/drivers/media/tuners/Kconfig
+++ b/drivers/media/tuners/Kconfig
@@ -71,6 +71,12 @@ config MEDIA_TUNER_TEA5767
help
Say Y here to include support for the Philips TEA5767 radio tuner.
+config MEDIA_TUNER_MSI001
+ tristate "Mirics MSi001"
+ depends on MEDIA_SUPPORT && SPI && VIDEO_V4L2
+ help
+ Mirics MSi001 silicon tuner driver.
+
config MEDIA_TUNER_MT20XX
tristate "Microtune 2032 / 2050 tuners"
depends on MEDIA_SUPPORT && I2C
diff --git a/drivers/media/tuners/Makefile b/drivers/media/tuners/Makefile
index a6ff0c6..5591699 100644
--- a/drivers/media/tuners/Makefile
+++ b/drivers/media/tuners/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_MEDIA_TUNER_TDA827X) += tda827x.o
obj-$(CONFIG_MEDIA_TUNER_TDA18271) += tda18271.o
obj-$(CONFIG_MEDIA_TUNER_XC5000) += xc5000.o
obj-$(CONFIG_MEDIA_TUNER_XC4000) += xc4000.o
+obj-$(CONFIG_MEDIA_TUNER_MSI001) += msi001.o
obj-$(CONFIG_MEDIA_TUNER_MT2060) += mt2060.o
obj-$(CONFIG_MEDIA_TUNER_MT2063) += mt2063.o
obj-$(CONFIG_MEDIA_TUNER_MT2266) += mt2266.o
diff --git a/drivers/media/tuners/msi001.c b/drivers/media/tuners/msi001.c
new file mode 100644
index 0000000..bd0b93c
--- /dev/null
+++ b/drivers/media/tuners/msi001.c
@@ -0,0 +1,500 @@
+/*
+ * Mirics MSi001 silicon tuner driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
+ * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/gcd.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
+
+static const struct v4l2_frequency_band bands[] = {
+ {
+ .type = V4L2_TUNER_RF,
+ .index = 0,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 49000000,
+ .rangehigh = 263000000,
+ }, {
+ .type = V4L2_TUNER_RF,
+ .index = 1,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 390000000,
+ .rangehigh = 960000000,
+ },
+};
+
+struct msi001 {
+ struct spi_device *spi;
+ struct v4l2_subdev sd;
+
+ /* Controls */
+ struct v4l2_ctrl_handler hdl;
+ struct v4l2_ctrl *bandwidth_auto;
+ struct v4l2_ctrl *bandwidth;
+ struct v4l2_ctrl *lna_gain;
+ struct v4l2_ctrl *mixer_gain;
+ struct v4l2_ctrl *if_gain;
+
+ unsigned int f_tuner;
+};
+
+static inline struct msi001 *sd_to_msi001(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct msi001, sd);
+}
+
+static int msi001_wreg(struct msi001 *s, u32 data)
+{
+ /* Register format: 4 bits addr + 20 bits value */
+ return spi_write(s->spi, &data, 3);
+};
+
+static int msi001_set_gain(struct msi001 *s, int lna_gain, int mixer_gain,
+ int if_gain)
+{
+ int ret;
+ u32 reg;
+ dev_dbg(&s->spi->dev, "%s: lna=%d mixer=%d if=%d\n", __func__,
+ lna_gain, mixer_gain, if_gain);
+
+ reg = 1 << 0;
+ reg |= (59 - if_gain) << 4;
+ reg |= 0 << 10;
+ reg |= (1 - mixer_gain) << 12;
+ reg |= (1 - lna_gain) << 13;
+ reg |= 4 << 14;
+ reg |= 0 << 17;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&s->spi->dev, "%s: failed %d\n", __func__, ret);
+ return ret;
+};
+
+static int msi001_set_tuner(struct msi001 *s)
+{
+ int ret, i;
+ unsigned int n, m, thresh, frac, vco_step, tmp, f_if1;
+ u32 reg;
+ u64 f_vco, tmp64;
+ u8 mode, filter_mode, lo_div;
+ static const struct {
+ u32 rf;
+ u8 mode;
+ u8 lo_div;
+ } band_lut[] = {
+ { 50000000, 0xe1, 16}, /* AM_MODE2, antenna 2 */
+ {108000000, 0x42, 32}, /* VHF_MODE */
+ {330000000, 0x44, 16}, /* B3_MODE */
+ {960000000, 0x48, 4}, /* B45_MODE */
+ { ~0U, 0x50, 2}, /* BL_MODE */
+ };
+ static const struct {
+ u32 freq;
+ u8 filter_mode;
+ } if_freq_lut[] = {
+ { 0, 0x03}, /* Zero IF */
+ { 450000, 0x02}, /* 450 kHz IF */
+ {1620000, 0x01}, /* 1.62 MHz IF */
+ {2048000, 0x00}, /* 2.048 MHz IF */
+ };
+ static const struct {
+ u32 freq;
+ u8 val;
+ } bandwidth_lut[] = {
+ { 200000, 0x00}, /* 200 kHz */
+ { 300000, 0x01}, /* 300 kHz */
+ { 600000, 0x02}, /* 600 kHz */
+ {1536000, 0x03}, /* 1.536 MHz */
+ {5000000, 0x04}, /* 5 MHz */
+ {6000000, 0x05}, /* 6 MHz */
+ {7000000, 0x06}, /* 7 MHz */
+ {8000000, 0x07}, /* 8 MHz */
+ };
+
+ unsigned int f_rf = s->f_tuner;
+
+ /*
+ * bandwidth (Hz)
+ * 200000, 300000, 600000, 1536000, 5000000, 6000000, 7000000, 8000000
+ */
+ unsigned int bandwidth;
+
+ /*
+ * intermediate frequency (Hz)
+ * 0, 450000, 1620000, 2048000
+ */
+ unsigned int f_if = 0;
+ #define F_REF 24000000
+ #define R_REF 4
+ #define F_OUT_STEP 1
+
+ dev_dbg(&s->spi->dev,
+ "%s: f_rf=%d f_if=%d\n",
+ __func__, f_rf, f_if);
+
+ for (i = 0; i < ARRAY_SIZE(band_lut); i++) {
+ if (f_rf <= band_lut[i].rf) {
+ mode = band_lut[i].mode;
+ lo_div = band_lut[i].lo_div;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(band_lut)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* AM_MODE is upconverted */
+ if ((mode >> 0) & 0x1)
+ f_if1 = 5 * F_REF;
+ else
+ f_if1 = 0;
+
+ for (i = 0; i < ARRAY_SIZE(if_freq_lut); i++) {
+ if (f_if == if_freq_lut[i].freq) {
+ filter_mode = if_freq_lut[i].filter_mode;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(if_freq_lut)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* filters */
+ bandwidth = s->bandwidth->val;
+ bandwidth = clamp(bandwidth, 200000U, 8000000U);
+
+ for (i = 0; i < ARRAY_SIZE(bandwidth_lut); i++) {
+ if (bandwidth <= bandwidth_lut[i].freq) {
+ bandwidth = bandwidth_lut[i].val;
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(bandwidth_lut)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ s->bandwidth->val = bandwidth_lut[i].freq;
+
+ dev_dbg(&s->spi->dev, "%s: bandwidth selected=%d\n",
+ __func__, bandwidth_lut[i].freq);
+
+ f_vco = (u64) (f_rf + f_if + f_if1) * lo_div;
+ tmp64 = f_vco;
+ m = do_div(tmp64, F_REF * R_REF);
+ n = (unsigned int) tmp64;
+
+ vco_step = F_OUT_STEP * lo_div;
+ thresh = (F_REF * R_REF) / vco_step;
+ frac = 1ul * thresh * m / (F_REF * R_REF);
+
+ /* Find out greatest common divisor and divide to smaller. */
+ tmp = gcd(thresh, frac);
+ thresh /= tmp;
+ frac /= tmp;
+
+ /* Force divide to reg max. Resolution will be reduced. */
+ tmp = DIV_ROUND_UP(thresh, 4095);
+ thresh = DIV_ROUND_CLOSEST(thresh, tmp);
+ frac = DIV_ROUND_CLOSEST(frac, tmp);
+
+ /* calc real RF set */
+ tmp = 1ul * F_REF * R_REF * n;
+ tmp += 1ul * F_REF * R_REF * frac / thresh;
+ tmp /= lo_div;
+
+ dev_dbg(&s->spi->dev,
+ "%s: rf=%u:%u n=%d thresh=%d frac=%d\n",
+ __func__, f_rf, tmp, n, thresh, frac);
+
+ ret = msi001_wreg(s, 0x00000e);
+ if (ret)
+ goto err;
+
+ ret = msi001_wreg(s, 0x000003);
+ if (ret)
+ goto err;
+
+ reg = 0 << 0;
+ reg |= mode << 4;
+ reg |= filter_mode << 12;
+ reg |= bandwidth << 14;
+ reg |= 0x02 << 17;
+ reg |= 0x00 << 20;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ reg = 5 << 0;
+ reg |= thresh << 4;
+ reg |= 1 << 19;
+ reg |= 1 << 21;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ reg = 2 << 0;
+ reg |= frac << 4;
+ reg |= n << 16;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ ret = msi001_set_gain(s, s->lna_gain->cur.val, s->mixer_gain->cur.val,
+ s->if_gain->cur.val);
+ if (ret)
+ goto err;
+
+ reg = 6 << 0;
+ reg |= 63 << 4;
+ reg |= 4095 << 10;
+ ret = msi001_wreg(s, reg);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&s->spi->dev, "%s: failed %d\n", __func__, ret);
+ return ret;
+};
+
+static int msi001_s_power(struct v4l2_subdev *sd, int on)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ int ret;
+ dev_dbg(&s->spi->dev, "%s: on=%d\n", __func__, on);
+
+ if (on)
+ ret = 0;
+ else
+ ret = msi001_wreg(s, 0x000000);
+
+ return ret;
+}
+
+static const struct v4l2_subdev_core_ops msi001_core_ops = {
+ .s_power = msi001_s_power,
+};
+
+static int msi001_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&s->spi->dev, "%s: index=%d\n", __func__, v->index);
+
+ strlcpy(v->name, "Mirics MSi001", sizeof(v->name));
+ v->type = V4L2_TUNER_RF;
+ v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
+ v->rangelow = 49000000;
+ v->rangehigh = 960000000;
+
+ return 0;
+}
+
+static int msi001_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *v)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&s->spi->dev, "%s: index=%d\n", __func__, v->index);
+ return 0;
+}
+
+static int msi001_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&s->spi->dev, "%s: tuner=%d\n", __func__, f->tuner);
+ f->frequency = s->f_tuner;
+ return 0;
+}
+
+static int msi001_s_frequency(struct v4l2_subdev *sd,
+ const struct v4l2_frequency *f)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ unsigned int band;
+ dev_dbg(&s->spi->dev, "%s: tuner=%d type=%d frequency=%u\n",
+ __func__, f->tuner, f->type, f->frequency);
+
+ if (f->frequency < ((bands[0].rangehigh + bands[1].rangelow) / 2))
+ band = 0;
+ else
+ band = 1;
+ s->f_tuner = clamp_t(unsigned int, f->frequency,
+ bands[band].rangelow, bands[band].rangehigh);
+
+ return msi001_set_tuner(s);
+}
+
+static int msi001_enum_freq_bands(struct v4l2_subdev *sd,
+ struct v4l2_frequency_band *band)
+{
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&s->spi->dev, "%s: tuner=%d type=%d index=%d\n",
+ __func__, band->tuner, band->type, band->index);
+
+ if (band->index >= ARRAY_SIZE(bands))
+ return -EINVAL;
+
+ band->capability = bands[band->index].capability;
+ band->rangelow = bands[band->index].rangelow;
+ band->rangehigh = bands[band->index].rangehigh;
+
+ return 0;
+}
+
+static const struct v4l2_subdev_tuner_ops msi001_tuner_ops = {
+ .g_tuner = msi001_g_tuner,
+ .s_tuner = msi001_s_tuner,
+ .g_frequency = msi001_g_frequency,
+ .s_frequency = msi001_s_frequency,
+ .enum_freq_bands = msi001_enum_freq_bands,
+};
+
+static const struct v4l2_subdev_ops msi001_ops = {
+ .core = &msi001_core_ops,
+ .tuner = &msi001_tuner_ops,
+};
+
+static int msi001_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct msi001 *s = container_of(ctrl->handler, struct msi001, hdl);
+
+ int ret;
+ dev_dbg(&s->spi->dev,
+ "%s: id=%d name=%s val=%d min=%d max=%d step=%d\n",
+ __func__, ctrl->id, ctrl->name, ctrl->val,
+ ctrl->minimum, ctrl->maximum, ctrl->step);
+
+ switch (ctrl->id) {
+ case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
+ case V4L2_CID_RF_TUNER_BANDWIDTH:
+ ret = msi001_set_tuner(s);
+ break;
+ case V4L2_CID_RF_TUNER_LNA_GAIN:
+ ret = msi001_set_gain(s, s->lna_gain->val,
+ s->mixer_gain->cur.val, s->if_gain->cur.val);
+ break;
+ case V4L2_CID_RF_TUNER_MIXER_GAIN:
+ ret = msi001_set_gain(s, s->lna_gain->cur.val,
+ s->mixer_gain->val, s->if_gain->cur.val);
+ break;
+ case V4L2_CID_RF_TUNER_IF_GAIN:
+ ret = msi001_set_gain(s, s->lna_gain->cur.val,
+ s->mixer_gain->cur.val, s->if_gain->val);
+ break;
+ default:
+ dev_dbg(&s->spi->dev, "%s: unkown control %d\n",
+ __func__, ctrl->id);
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static const struct v4l2_ctrl_ops msi001_ctrl_ops = {
+ .s_ctrl = msi001_s_ctrl,
+};
+
+static int msi001_probe(struct spi_device *spi)
+{
+ struct msi001 *s;
+ int ret;
+ dev_dbg(&spi->dev, "%s:\n", __func__);
+
+ s = kzalloc(sizeof(struct msi001), GFP_KERNEL);
+ if (s == NULL) {
+ ret = -ENOMEM;
+ dev_dbg(&spi->dev, "Could not allocate memory for msi001\n");
+ goto err_kfree;
+ }
+
+ s->spi = spi;
+ s->f_tuner = bands[0].rangelow;
+ v4l2_spi_subdev_init(&s->sd, spi, &msi001_ops);
+
+ /* Register controls */
+ v4l2_ctrl_handler_init(&s->hdl, 5);
+ s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
+ s->bandwidth = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_BANDWIDTH, 200000, 8000000, 1, 200000);
+ v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
+ s->lna_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_LNA_GAIN, 0, 1, 1, 1);
+ s->mixer_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_MIXER_GAIN, 0, 1, 1, 1);
+ s->if_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
+ V4L2_CID_RF_TUNER_IF_GAIN, 0, 59, 1, 0);
+ if (s->hdl.error) {
+ ret = s->hdl.error;
+ dev_err(&s->spi->dev, "Could not initialize controls\n");
+ /* control init failed, free handler */
+ goto err_ctrl_handler_free;
+ }
+
+ s->sd.ctrl_handler = &s->hdl;
+ return 0;
+
+err_ctrl_handler_free:
+ v4l2_ctrl_handler_free(&s->hdl);
+err_kfree:
+ kfree(s);
+ return ret;
+}
+
+static int msi001_remove(struct spi_device *spi)
+{
+ struct v4l2_subdev *sd = spi_get_drvdata(spi);
+ struct msi001 *s = sd_to_msi001(sd);
+ dev_dbg(&spi->dev, "%s:\n", __func__);
+
+ /*
+ * Registered by v4l2_spi_new_subdev() from master driver, but we must
+ * unregister it from here. Weird.
+ */
+ v4l2_device_unregister_subdev(&s->sd);
+ v4l2_ctrl_handler_free(&s->hdl);
+ kfree(s);
+ return 0;
+}
+
+static const struct spi_device_id msi001_id[] = {
+ {"msi001", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(spi, msi001_id);
+
+static struct spi_driver msi001_driver = {
+ .driver = {
+ .name = "msi001",
+ .owner = THIS_MODULE,
+ },
+ .probe = msi001_probe,
+ .remove = msi001_remove,
+ .id_table = msi001_id,
+};
+module_spi_driver(msi001_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Mirics MSi001");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/media/msi3101/Kconfig b/drivers/staging/media/msi3101/Kconfig
index de0b3bb..399dbbb 100644
--- a/drivers/staging/media/msi3101/Kconfig
+++ b/drivers/staging/media/msi3101/Kconfig
@@ -5,6 +5,3 @@ config USB_MSI3101
select VIDEOBUF2_VMALLOC
select MEDIA_TUNER_MSI001
-config MEDIA_TUNER_MSI001
- tristate "Mirics MSi001"
- depends on VIDEO_V4L2 && SPI
diff --git a/drivers/staging/media/msi3101/Makefile b/drivers/staging/media/msi3101/Makefile
index daf4f58..3730654 100644
--- a/drivers/staging/media/msi3101/Makefile
+++ b/drivers/staging/media/msi3101/Makefile
@@ -1,2 +1 @@
obj-$(CONFIG_USB_MSI3101) += sdr-msi3101.o
-obj-$(CONFIG_MEDIA_TUNER_MSI001) += msi001.o
diff --git a/drivers/staging/media/msi3101/msi001.c b/drivers/staging/media/msi3101/msi001.c
deleted file mode 100644
index bd0b93c..0000000
--- a/drivers/staging/media/msi3101/msi001.c
+++ /dev/null
@@ -1,500 +0,0 @@
-/*
- * Mirics MSi001 silicon tuner driver
- *
- * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
- * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/gcd.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ctrls.h>
-
-static const struct v4l2_frequency_band bands[] = {
- {
- .type = V4L2_TUNER_RF,
- .index = 0,
- .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 49000000,
- .rangehigh = 263000000,
- }, {
- .type = V4L2_TUNER_RF,
- .index = 1,
- .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 390000000,
- .rangehigh = 960000000,
- },
-};
-
-struct msi001 {
- struct spi_device *spi;
- struct v4l2_subdev sd;
-
- /* Controls */
- struct v4l2_ctrl_handler hdl;
- struct v4l2_ctrl *bandwidth_auto;
- struct v4l2_ctrl *bandwidth;
- struct v4l2_ctrl *lna_gain;
- struct v4l2_ctrl *mixer_gain;
- struct v4l2_ctrl *if_gain;
-
- unsigned int f_tuner;
-};
-
-static inline struct msi001 *sd_to_msi001(struct v4l2_subdev *sd)
-{
- return container_of(sd, struct msi001, sd);
-}
-
-static int msi001_wreg(struct msi001 *s, u32 data)
-{
- /* Register format: 4 bits addr + 20 bits value */
- return spi_write(s->spi, &data, 3);
-};
-
-static int msi001_set_gain(struct msi001 *s, int lna_gain, int mixer_gain,
- int if_gain)
-{
- int ret;
- u32 reg;
- dev_dbg(&s->spi->dev, "%s: lna=%d mixer=%d if=%d\n", __func__,
- lna_gain, mixer_gain, if_gain);
-
- reg = 1 << 0;
- reg |= (59 - if_gain) << 4;
- reg |= 0 << 10;
- reg |= (1 - mixer_gain) << 12;
- reg |= (1 - lna_gain) << 13;
- reg |= 4 << 14;
- reg |= 0 << 17;
- ret = msi001_wreg(s, reg);
- if (ret)
- goto err;
-
- return 0;
-err:
- dev_dbg(&s->spi->dev, "%s: failed %d\n", __func__, ret);
- return ret;
-};
-
-static int msi001_set_tuner(struct msi001 *s)
-{
- int ret, i;
- unsigned int n, m, thresh, frac, vco_step, tmp, f_if1;
- u32 reg;
- u64 f_vco, tmp64;
- u8 mode, filter_mode, lo_div;
- static const struct {
- u32 rf;
- u8 mode;
- u8 lo_div;
- } band_lut[] = {
- { 50000000, 0xe1, 16}, /* AM_MODE2, antenna 2 */
- {108000000, 0x42, 32}, /* VHF_MODE */
- {330000000, 0x44, 16}, /* B3_MODE */
- {960000000, 0x48, 4}, /* B45_MODE */
- { ~0U, 0x50, 2}, /* BL_MODE */
- };
- static const struct {
- u32 freq;
- u8 filter_mode;
- } if_freq_lut[] = {
- { 0, 0x03}, /* Zero IF */
- { 450000, 0x02}, /* 450 kHz IF */
- {1620000, 0x01}, /* 1.62 MHz IF */
- {2048000, 0x00}, /* 2.048 MHz IF */
- };
- static const struct {
- u32 freq;
- u8 val;
- } bandwidth_lut[] = {
- { 200000, 0x00}, /* 200 kHz */
- { 300000, 0x01}, /* 300 kHz */
- { 600000, 0x02}, /* 600 kHz */
- {1536000, 0x03}, /* 1.536 MHz */
- {5000000, 0x04}, /* 5 MHz */
- {6000000, 0x05}, /* 6 MHz */
- {7000000, 0x06}, /* 7 MHz */
- {8000000, 0x07}, /* 8 MHz */
- };
-
- unsigned int f_rf = s->f_tuner;
-
- /*
- * bandwidth (Hz)
- * 200000, 300000, 600000, 1536000, 5000000, 6000000, 7000000, 8000000
- */
- unsigned int bandwidth;
-
- /*
- * intermediate frequency (Hz)
- * 0, 450000, 1620000, 2048000
- */
- unsigned int f_if = 0;
- #define F_REF 24000000
- #define R_REF 4
- #define F_OUT_STEP 1
-
- dev_dbg(&s->spi->dev,
- "%s: f_rf=%d f_if=%d\n",
- __func__, f_rf, f_if);
-
- for (i = 0; i < ARRAY_SIZE(band_lut); i++) {
- if (f_rf <= band_lut[i].rf) {
- mode = band_lut[i].mode;
- lo_div = band_lut[i].lo_div;
- break;
- }
- }
-
- if (i == ARRAY_SIZE(band_lut)) {
- ret = -EINVAL;
- goto err;
- }
-
- /* AM_MODE is upconverted */
- if ((mode >> 0) & 0x1)
- f_if1 = 5 * F_REF;
- else
- f_if1 = 0;
-
- for (i = 0; i < ARRAY_SIZE(if_freq_lut); i++) {
- if (f_if == if_freq_lut[i].freq) {
- filter_mode = if_freq_lut[i].filter_mode;
- break;
- }
- }
-
- if (i == ARRAY_SIZE(if_freq_lut)) {
- ret = -EINVAL;
- goto err;
- }
-
- /* filters */
- bandwidth = s->bandwidth->val;
- bandwidth = clamp(bandwidth, 200000U, 8000000U);
-
- for (i = 0; i < ARRAY_SIZE(bandwidth_lut); i++) {
- if (bandwidth <= bandwidth_lut[i].freq) {
- bandwidth = bandwidth_lut[i].val;
- break;
- }
- }
-
- if (i == ARRAY_SIZE(bandwidth_lut)) {
- ret = -EINVAL;
- goto err;
- }
-
- s->bandwidth->val = bandwidth_lut[i].freq;
-
- dev_dbg(&s->spi->dev, "%s: bandwidth selected=%d\n",
- __func__, bandwidth_lut[i].freq);
-
- f_vco = (u64) (f_rf + f_if + f_if1) * lo_div;
- tmp64 = f_vco;
- m = do_div(tmp64, F_REF * R_REF);
- n = (unsigned int) tmp64;
-
- vco_step = F_OUT_STEP * lo_div;
- thresh = (F_REF * R_REF) / vco_step;
- frac = 1ul * thresh * m / (F_REF * R_REF);
-
- /* Find out greatest common divisor and divide to smaller. */
- tmp = gcd(thresh, frac);
- thresh /= tmp;
- frac /= tmp;
-
- /* Force divide to reg max. Resolution will be reduced. */
- tmp = DIV_ROUND_UP(thresh, 4095);
- thresh = DIV_ROUND_CLOSEST(thresh, tmp);
- frac = DIV_ROUND_CLOSEST(frac, tmp);
-
- /* calc real RF set */
- tmp = 1ul * F_REF * R_REF * n;
- tmp += 1ul * F_REF * R_REF * frac / thresh;
- tmp /= lo_div;
-
- dev_dbg(&s->spi->dev,
- "%s: rf=%u:%u n=%d thresh=%d frac=%d\n",
- __func__, f_rf, tmp, n, thresh, frac);
-
- ret = msi001_wreg(s, 0x00000e);
- if (ret)
- goto err;
-
- ret = msi001_wreg(s, 0x000003);
- if (ret)
- goto err;
-
- reg = 0 << 0;
- reg |= mode << 4;
- reg |= filter_mode << 12;
- reg |= bandwidth << 14;
- reg |= 0x02 << 17;
- reg |= 0x00 << 20;
- ret = msi001_wreg(s, reg);
- if (ret)
- goto err;
-
- reg = 5 << 0;
- reg |= thresh << 4;
- reg |= 1 << 19;
- reg |= 1 << 21;
- ret = msi001_wreg(s, reg);
- if (ret)
- goto err;
-
- reg = 2 << 0;
- reg |= frac << 4;
- reg |= n << 16;
- ret = msi001_wreg(s, reg);
- if (ret)
- goto err;
-
- ret = msi001_set_gain(s, s->lna_gain->cur.val, s->mixer_gain->cur.val,
- s->if_gain->cur.val);
- if (ret)
- goto err;
-
- reg = 6 << 0;
- reg |= 63 << 4;
- reg |= 4095 << 10;
- ret = msi001_wreg(s, reg);
- if (ret)
- goto err;
-
- return 0;
-err:
- dev_dbg(&s->spi->dev, "%s: failed %d\n", __func__, ret);
- return ret;
-};
-
-static int msi001_s_power(struct v4l2_subdev *sd, int on)
-{
- struct msi001 *s = sd_to_msi001(sd);
- int ret;
- dev_dbg(&s->spi->dev, "%s: on=%d\n", __func__, on);
-
- if (on)
- ret = 0;
- else
- ret = msi001_wreg(s, 0x000000);
-
- return ret;
-}
-
-static const struct v4l2_subdev_core_ops msi001_core_ops = {
- .s_power = msi001_s_power,
-};
-
-static int msi001_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
-{
- struct msi001 *s = sd_to_msi001(sd);
- dev_dbg(&s->spi->dev, "%s: index=%d\n", __func__, v->index);
-
- strlcpy(v->name, "Mirics MSi001", sizeof(v->name));
- v->type = V4L2_TUNER_RF;
- v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
- v->rangelow = 49000000;
- v->rangehigh = 960000000;
-
- return 0;
-}
-
-static int msi001_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *v)
-{
- struct msi001 *s = sd_to_msi001(sd);
- dev_dbg(&s->spi->dev, "%s: index=%d\n", __func__, v->index);
- return 0;
-}
-
-static int msi001_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
-{
- struct msi001 *s = sd_to_msi001(sd);
- dev_dbg(&s->spi->dev, "%s: tuner=%d\n", __func__, f->tuner);
- f->frequency = s->f_tuner;
- return 0;
-}
-
-static int msi001_s_frequency(struct v4l2_subdev *sd,
- const struct v4l2_frequency *f)
-{
- struct msi001 *s = sd_to_msi001(sd);
- unsigned int band;
- dev_dbg(&s->spi->dev, "%s: tuner=%d type=%d frequency=%u\n",
- __func__, f->tuner, f->type, f->frequency);
-
- if (f->frequency < ((bands[0].rangehigh + bands[1].rangelow) / 2))
- band = 0;
- else
- band = 1;
- s->f_tuner = clamp_t(unsigned int, f->frequency,
- bands[band].rangelow, bands[band].rangehigh);
-
- return msi001_set_tuner(s);
-}
-
-static int msi001_enum_freq_bands(struct v4l2_subdev *sd,
- struct v4l2_frequency_band *band)
-{
- struct msi001 *s = sd_to_msi001(sd);
- dev_dbg(&s->spi->dev, "%s: tuner=%d type=%d index=%d\n",
- __func__, band->tuner, band->type, band->index);
-
- if (band->index >= ARRAY_SIZE(bands))
- return -EINVAL;
-
- band->capability = bands[band->index].capability;
- band->rangelow = bands[band->index].rangelow;
- band->rangehigh = bands[band->index].rangehigh;
-
- return 0;
-}
-
-static const struct v4l2_subdev_tuner_ops msi001_tuner_ops = {
- .g_tuner = msi001_g_tuner,
- .s_tuner = msi001_s_tuner,
- .g_frequency = msi001_g_frequency,
- .s_frequency = msi001_s_frequency,
- .enum_freq_bands = msi001_enum_freq_bands,
-};
-
-static const struct v4l2_subdev_ops msi001_ops = {
- .core = &msi001_core_ops,
- .tuner = &msi001_tuner_ops,
-};
-
-static int msi001_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct msi001 *s = container_of(ctrl->handler, struct msi001, hdl);
-
- int ret;
- dev_dbg(&s->spi->dev,
- "%s: id=%d name=%s val=%d min=%d max=%d step=%d\n",
- __func__, ctrl->id, ctrl->name, ctrl->val,
- ctrl->minimum, ctrl->maximum, ctrl->step);
-
- switch (ctrl->id) {
- case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
- case V4L2_CID_RF_TUNER_BANDWIDTH:
- ret = msi001_set_tuner(s);
- break;
- case V4L2_CID_RF_TUNER_LNA_GAIN:
- ret = msi001_set_gain(s, s->lna_gain->val,
- s->mixer_gain->cur.val, s->if_gain->cur.val);
- break;
- case V4L2_CID_RF_TUNER_MIXER_GAIN:
- ret = msi001_set_gain(s, s->lna_gain->cur.val,
- s->mixer_gain->val, s->if_gain->cur.val);
- break;
- case V4L2_CID_RF_TUNER_IF_GAIN:
- ret = msi001_set_gain(s, s->lna_gain->cur.val,
- s->mixer_gain->cur.val, s->if_gain->val);
- break;
- default:
- dev_dbg(&s->spi->dev, "%s: unkown control %d\n",
- __func__, ctrl->id);
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static const struct v4l2_ctrl_ops msi001_ctrl_ops = {
- .s_ctrl = msi001_s_ctrl,
-};
-
-static int msi001_probe(struct spi_device *spi)
-{
- struct msi001 *s;
- int ret;
- dev_dbg(&spi->dev, "%s:\n", __func__);
-
- s = kzalloc(sizeof(struct msi001), GFP_KERNEL);
- if (s == NULL) {
- ret = -ENOMEM;
- dev_dbg(&spi->dev, "Could not allocate memory for msi001\n");
- goto err_kfree;
- }
-
- s->spi = spi;
- s->f_tuner = bands[0].rangelow;
- v4l2_spi_subdev_init(&s->sd, spi, &msi001_ops);
-
- /* Register controls */
- v4l2_ctrl_handler_init(&s->hdl, 5);
- s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
- V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
- s->bandwidth = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
- V4L2_CID_RF_TUNER_BANDWIDTH, 200000, 8000000, 1, 200000);
- v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
- s->lna_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
- V4L2_CID_RF_TUNER_LNA_GAIN, 0, 1, 1, 1);
- s->mixer_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
- V4L2_CID_RF_TUNER_MIXER_GAIN, 0, 1, 1, 1);
- s->if_gain = v4l2_ctrl_new_std(&s->hdl, &msi001_ctrl_ops,
- V4L2_CID_RF_TUNER_IF_GAIN, 0, 59, 1, 0);
- if (s->hdl.error) {
- ret = s->hdl.error;
- dev_err(&s->spi->dev, "Could not initialize controls\n");
- /* control init failed, free handler */
- goto err_ctrl_handler_free;
- }
-
- s->sd.ctrl_handler = &s->hdl;
- return 0;
-
-err_ctrl_handler_free:
- v4l2_ctrl_handler_free(&s->hdl);
-err_kfree:
- kfree(s);
- return ret;
-}
-
-static int msi001_remove(struct spi_device *spi)
-{
- struct v4l2_subdev *sd = spi_get_drvdata(spi);
- struct msi001 *s = sd_to_msi001(sd);
- dev_dbg(&spi->dev, "%s:\n", __func__);
-
- /*
- * Registered by v4l2_spi_new_subdev() from master driver, but we must
- * unregister it from here. Weird.
- */
- v4l2_device_unregister_subdev(&s->sd);
- v4l2_ctrl_handler_free(&s->hdl);
- kfree(s);
- return 0;
-}
-
-static const struct spi_device_id msi001_id[] = {
- {"msi001", 0},
- {}
-};
-MODULE_DEVICE_TABLE(spi, msi001_id);
-
-static struct spi_driver msi001_driver = {
- .driver = {
- .name = "msi001",
- .owner = THIS_MODULE,
- },
- .probe = msi001_probe,
- .remove = msi001_remove,
- .id_table = msi001_id,
-};
-module_spi_driver(msi001_driver);
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Mirics MSi001");
-MODULE_LICENSE("GPL");
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 08/18] MAINTAINERS: update MSI001 driver location
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (5 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 07/18] msi001: move out of staging Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 09/18] Kconfig: add SDR support Antti Palosaari
` (9 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
MAINTAINERS | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 6b7c633..e0bd8b0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5891,7 +5891,7 @@ W: http://palosaari.fi/linux/
Q: http://patchwork.linuxtv.org/project/linux-media/list/
T: git git://linuxtv.org/anttip/media_tree.git
S: Maintained
-F: drivers/staging/media/msi3101/msi001*
+F: drivers/media/tuners/msi001*
MSI3101 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 09/18] Kconfig: add SDR support
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (6 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 08/18] MAINTAINERS: update MSI001 driver location Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 10/18] Kconfig: sub-driver auto-select SPI bus Antti Palosaari
` (8 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Add software defined radio device support for media Kconfig.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/Kconfig | 11 +++++++++--
drivers/media/usb/Kconfig | 4 ++++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index 1d0758a..3c89fcb 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -59,6 +59,13 @@ config MEDIA_RADIO_SUPPORT
support radio reception. Disabling this option will
disable support for them.
+config MEDIA_SDR_SUPPORT
+ bool "Software defined radio support"
+ ---help---
+ Enable software defined radio support.
+
+ Say Y when you have a software defined radio device.
+
config MEDIA_RC_SUPPORT
bool "Remote Controller support"
depends on INPUT
@@ -95,7 +102,7 @@ config MEDIA_CONTROLLER
config VIDEO_DEV
tristate
depends on MEDIA_SUPPORT
- depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT
+ depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT
default y
config VIDEO_V4L2_SUBDEV_API
@@ -171,7 +178,7 @@ comment "Media ancillary drivers (tuners, sensors, i2c, frontends)"
config MEDIA_SUBDRV_AUTOSELECT
bool "Autoselect ancillary drivers (tuners, sensors, i2c, frontends)"
- depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT
+ depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT || MEDIA_SDR_SUPPORT
depends on HAS_IOMEM
select I2C
select I2C_MUX
diff --git a/drivers/media/usb/Kconfig b/drivers/media/usb/Kconfig
index 39d824e..f8c1099 100644
--- a/drivers/media/usb/Kconfig
+++ b/drivers/media/usb/Kconfig
@@ -52,5 +52,9 @@ if (MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT)
source "drivers/media/usb/em28xx/Kconfig"
endif
+if MEDIA_SDR_SUPPORT
+ comment "Software defined radio USB devices"
+endif
+
endif #MEDIA_USB_SUPPORT
endif #USB
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 10/18] Kconfig: sub-driver auto-select SPI bus
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (7 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 09/18] Kconfig: add SDR support Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 11/18] msi2500: move msi3101 out of staging and rename Antti Palosaari
` (7 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Mirics MSi001 and MSi2500 drivers uses SPI bus. Due to that we need
auto-select it too.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig
index 3c89fcb..f60bad4 100644
--- a/drivers/media/Kconfig
+++ b/drivers/media/Kconfig
@@ -182,6 +182,7 @@ config MEDIA_SUBDRV_AUTOSELECT
depends on HAS_IOMEM
select I2C
select I2C_MUX
+ select SPI
default y
help
By default, a media driver auto-selects all possible ancillary
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 11/18] msi2500: move msi3101 out of staging and rename
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (8 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 10/18] Kconfig: sub-driver auto-select SPI bus Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 12/18] MAINTAINERS: update MSI3101 / MSI2500 driver location Antti Palosaari
` (6 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Move msi3101 out of staging and rename to msi2500.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/usb/Kconfig | 1 +
drivers/media/usb/Makefile | 1 +
drivers/media/usb/msi2500/Kconfig | 5 +
drivers/media/usb/msi2500/Makefile | 1 +
drivers/media/usb/msi2500/msi2500.c | 1518 +++++++++++++++++++++++++++
drivers/staging/media/Kconfig | 2 -
drivers/staging/media/Makefile | 1 -
drivers/staging/media/msi3101/Kconfig | 7 -
drivers/staging/media/msi3101/Makefile | 1 -
drivers/staging/media/msi3101/sdr-msi3101.c | 1518 ---------------------------
10 files changed, 1526 insertions(+), 1529 deletions(-)
create mode 100644 drivers/media/usb/msi2500/Kconfig
create mode 100644 drivers/media/usb/msi2500/Makefile
create mode 100644 drivers/media/usb/msi2500/msi2500.c
delete mode 100644 drivers/staging/media/msi3101/Kconfig
delete mode 100644 drivers/staging/media/msi3101/Makefile
delete mode 100644 drivers/staging/media/msi3101/sdr-msi3101.c
diff --git a/drivers/media/usb/Kconfig b/drivers/media/usb/Kconfig
index f8c1099..e274cb9 100644
--- a/drivers/media/usb/Kconfig
+++ b/drivers/media/usb/Kconfig
@@ -54,6 +54,7 @@ endif
if MEDIA_SDR_SUPPORT
comment "Software defined radio USB devices"
+source "drivers/media/usb/msi2500/Kconfig"
endif
endif #MEDIA_USB_SUPPORT
diff --git a/drivers/media/usb/Makefile b/drivers/media/usb/Makefile
index 7ac4b14..6ba6c1ee 100644
--- a/drivers/media/usb/Makefile
+++ b/drivers/media/usb/Makefile
@@ -9,6 +9,7 @@ obj-y += zr364xx/ stkwebcam/ s2255/
obj-$(CONFIG_USB_VIDEO_CLASS) += uvc/
obj-$(CONFIG_USB_GSPCA) += gspca/
obj-$(CONFIG_USB_PWC) += pwc/
+obj-$(CONFIG_USB_MSI2500) += msi2500/
obj-$(CONFIG_VIDEO_CPIA2) += cpia2/
obj-$(CONFIG_VIDEO_AU0828) += au0828/
obj-$(CONFIG_VIDEO_HDPVR) += hdpvr/
diff --git a/drivers/media/usb/msi2500/Kconfig b/drivers/media/usb/msi2500/Kconfig
new file mode 100644
index 0000000..9eff8a7
--- /dev/null
+++ b/drivers/media/usb/msi2500/Kconfig
@@ -0,0 +1,5 @@
+config USB_MSI2500
+ tristate "Mirics MSi2500"
+ depends on VIDEO_V4L2 && SPI
+ select VIDEOBUF2_VMALLOC
+ select MEDIA_TUNER_MSI001
diff --git a/drivers/media/usb/msi2500/Makefile b/drivers/media/usb/msi2500/Makefile
new file mode 100644
index 0000000..b3bc2e5
--- /dev/null
+++ b/drivers/media/usb/msi2500/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_USB_MSI2500) += msi2500.o
diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c
new file mode 100644
index 0000000..08d0d09
--- /dev/null
+++ b/drivers/media/usb/msi2500/msi2500.c
@@ -0,0 +1,1518 @@
+/*
+ * Mirics MSi3101 SDR Dongle driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * That driver is somehow based of pwc driver:
+ * (C) 1999-2004 Nemosoft Unv.
+ * (C) 2004-2006 Luc Saillard (luc@saillard.org)
+ * (C) 2011 Hans de Goede <hdegoede@redhat.com>
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <asm/div64.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
+#include <linux/usb.h>
+#include <media/videobuf2-vmalloc.h>
+#include <linux/spi/spi.h>
+
+/*
+ * iConfiguration 0
+ * bInterfaceNumber 0
+ * bAlternateSetting 1
+ * bNumEndpoints 1
+ * bEndpointAddress 0x81 EP 1 IN
+ * bmAttributes 1
+ * Transfer Type Isochronous
+ * wMaxPacketSize 0x1400 3x 1024 bytes
+ * bInterval 1
+ */
+#define MAX_ISO_BUFS (8)
+#define ISO_FRAMES_PER_DESC (8)
+#define ISO_MAX_FRAME_SIZE (3 * 1024)
+#define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE)
+#define MAX_ISOC_ERRORS 20
+
+/* TODO: These should be moved to V4L2 API */
+#define V4L2_PIX_FMT_SDR_S8 v4l2_fourcc('D', 'S', '0', '8') /* signed 8-bit */
+#define V4L2_PIX_FMT_SDR_S12 v4l2_fourcc('D', 'S', '1', '2') /* signed 12-bit */
+#define V4L2_PIX_FMT_SDR_S14 v4l2_fourcc('D', 'S', '1', '4') /* signed 14-bit */
+#define V4L2_PIX_FMT_SDR_MSI2500_384 v4l2_fourcc('M', '3', '8', '4') /* Mirics MSi2500 format 384 */
+
+static const struct v4l2_frequency_band bands[] = {
+ {
+ .tuner = 0,
+ .type = V4L2_TUNER_ADC,
+ .index = 0,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 1200000,
+ .rangehigh = 15000000,
+ },
+};
+
+/* stream formats */
+struct msi3101_format {
+ char *name;
+ u32 pixelformat;
+};
+
+/* format descriptions for capture and preview */
+static struct msi3101_format formats[] = {
+ {
+ .name = "IQ U8",
+ .pixelformat = V4L2_SDR_FMT_CU8,
+ }, {
+ .name = "IQ U16LE",
+ .pixelformat = V4L2_SDR_FMT_CU16LE,
+#if 0
+ }, {
+ .name = "8-bit signed",
+ .pixelformat = V4L2_PIX_FMT_SDR_S8,
+ }, {
+ .name = "10+2-bit signed",
+ .pixelformat = V4L2_PIX_FMT_SDR_MSI2500_384,
+ }, {
+ .name = "12-bit signed",
+ .pixelformat = V4L2_PIX_FMT_SDR_S12,
+ }, {
+ .name = "14-bit signed",
+ .pixelformat = V4L2_PIX_FMT_SDR_S14,
+#endif
+ },
+};
+
+static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats);
+
+/* intermediate buffers with raw data from the USB device */
+struct msi3101_frame_buf {
+ struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */
+ struct list_head list;
+};
+
+struct msi3101_state {
+ struct video_device vdev;
+ struct v4l2_device v4l2_dev;
+ struct v4l2_subdev *v4l2_subdev;
+ struct spi_master *master;
+
+ /* videobuf2 queue and queued buffers list */
+ struct vb2_queue vb_queue;
+ struct list_head queued_bufs;
+ spinlock_t queued_bufs_lock; /* Protects queued_bufs */
+
+ /* Note if taking both locks v4l2_lock must always be locked first! */
+ struct mutex v4l2_lock; /* Protects everything else */
+ struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */
+
+ /* Pointer to our usb_device, will be NULL after unplug */
+ struct usb_device *udev; /* Both mutexes most be hold when setting! */
+
+ unsigned int f_adc;
+ u32 pixelformat;
+
+ unsigned int isoc_errors; /* number of contiguous ISOC errors */
+ unsigned int vb_full; /* vb is full and packets dropped */
+
+ struct urb *urbs[MAX_ISO_BUFS];
+ int (*convert_stream)(struct msi3101_state *s, u8 *dst, u8 *src,
+ unsigned int src_len);
+
+ /* Controls */
+ struct v4l2_ctrl_handler hdl;
+
+ u32 next_sample; /* for track lost packets */
+ u32 sample; /* for sample rate calc */
+ unsigned long jiffies_next;
+ unsigned int sample_ctrl_bit[4];
+};
+
+/* Private functions */
+static struct msi3101_frame_buf *msi3101_get_next_fill_buf(
+ struct msi3101_state *s)
+{
+ unsigned long flags = 0;
+ struct msi3101_frame_buf *buf = NULL;
+
+ spin_lock_irqsave(&s->queued_bufs_lock, flags);
+ if (list_empty(&s->queued_bufs))
+ goto leave;
+
+ buf = list_entry(s->queued_bufs.next, struct msi3101_frame_buf, list);
+ list_del(&buf->list);
+leave:
+ spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
+ return buf;
+}
+
+/*
+ * +===========================================================================
+ * | 00-1023 | USB packet type '504'
+ * +===========================================================================
+ * | 00- 03 | sequence number of first sample in that USB packet
+ * +---------------------------------------------------------------------------
+ * | 04- 15 | garbage
+ * +---------------------------------------------------------------------------
+ * | 16-1023 | samples
+ * +---------------------------------------------------------------------------
+ * signed 8-bit sample
+ * 504 * 2 = 1008 samples
+ */
+static int msi3101_convert_stream_504(struct msi3101_state *s, u8 *dst,
+ u8 *src, unsigned int src_len)
+{
+ int i, i_max, dst_len = 0;
+ u32 sample_num[3];
+
+ /* There could be 1-3 1024 bytes URB frames */
+ i_max = src_len / 1024;
+
+ for (i = 0; i < i_max; i++) {
+ sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
+ if (i == 0 && s->next_sample != sample_num[0]) {
+ dev_dbg_ratelimited(&s->udev->dev,
+ "%d samples lost, %d %08x:%08x\n",
+ sample_num[0] - s->next_sample,
+ src_len, s->next_sample, sample_num[0]);
+ }
+
+ /*
+ * Dump all unknown 'garbage' data - maybe we will discover
+ * someday if there is something rational...
+ */
+ dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
+
+ /* 504 x I+Q samples */
+ src += 16;
+ memcpy(dst, src, 1008);
+ src += 1008;
+ dst += 1008;
+ dst_len += 1008;
+ }
+
+ /* calculate samping rate and output it in 10 seconds intervals */
+ if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
+ unsigned long jiffies_now = jiffies;
+ unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
+ unsigned int samples = sample_num[i_max - 1] - s->sample;
+ s->jiffies_next = jiffies_now;
+ s->sample = sample_num[i_max - 1];
+ dev_dbg(&s->udev->dev,
+ "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
+ src_len, samples, msecs,
+ samples * 1000UL / msecs);
+ }
+
+ /* next sample (sample = sample + i * 504) */
+ s->next_sample = sample_num[i_max - 1] + 504;
+
+ return dst_len;
+}
+
+static int msi3101_convert_stream_504_u8(struct msi3101_state *s, u8 *dst,
+ u8 *src, unsigned int src_len)
+{
+ int i, j, i_max, dst_len = 0;
+ u32 sample_num[3];
+ s8 *s8src;
+ u8 *u8dst;
+
+ /* There could be 1-3 1024 bytes URB frames */
+ i_max = src_len / 1024;
+ u8dst = (u8 *) dst;
+
+ for (i = 0; i < i_max; i++) {
+ sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
+ if (i == 0 && s->next_sample != sample_num[0]) {
+ dev_dbg_ratelimited(&s->udev->dev,
+ "%d samples lost, %d %08x:%08x\n",
+ sample_num[0] - s->next_sample,
+ src_len, s->next_sample, sample_num[0]);
+ }
+
+ /*
+ * Dump all unknown 'garbage' data - maybe we will discover
+ * someday if there is something rational...
+ */
+ dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
+
+ /* 504 x I+Q samples */
+ src += 16;
+
+ s8src = (s8 *) src;
+ for (j = 0; j < 1008; j++)
+ *u8dst++ = *s8src++ + 128;
+
+ src += 1008;
+ dst += 1008;
+ dst_len += 1008;
+ }
+
+ /* calculate samping rate and output it in 10 seconds intervals */
+ if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
+#define MSECS 10000UL
+ unsigned int samples = sample_num[i_max - 1] - s->sample;
+ s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
+ s->sample = sample_num[i_max - 1];
+ dev_dbg(&s->udev->dev,
+ "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
+ src_len, samples, MSECS,
+ samples * 1000UL / MSECS);
+ }
+
+ /* next sample (sample = sample + i * 504) */
+ s->next_sample = sample_num[i_max - 1] + 504;
+
+ return dst_len;
+}
+
+/*
+ * +===========================================================================
+ * | 00-1023 | USB packet type '384'
+ * +===========================================================================
+ * | 00- 03 | sequence number of first sample in that USB packet
+ * +---------------------------------------------------------------------------
+ * | 04- 15 | garbage
+ * +---------------------------------------------------------------------------
+ * | 16- 175 | samples
+ * +---------------------------------------------------------------------------
+ * | 176- 179 | control bits for previous samples
+ * +---------------------------------------------------------------------------
+ * | 180- 339 | samples
+ * +---------------------------------------------------------------------------
+ * | 340- 343 | control bits for previous samples
+ * +---------------------------------------------------------------------------
+ * | 344- 503 | samples
+ * +---------------------------------------------------------------------------
+ * | 504- 507 | control bits for previous samples
+ * +---------------------------------------------------------------------------
+ * | 508- 667 | samples
+ * +---------------------------------------------------------------------------
+ * | 668- 671 | control bits for previous samples
+ * +---------------------------------------------------------------------------
+ * | 672- 831 | samples
+ * +---------------------------------------------------------------------------
+ * | 832- 835 | control bits for previous samples
+ * +---------------------------------------------------------------------------
+ * | 836- 995 | samples
+ * +---------------------------------------------------------------------------
+ * | 996- 999 | control bits for previous samples
+ * +---------------------------------------------------------------------------
+ * | 1000-1023 | garbage
+ * +---------------------------------------------------------------------------
+ *
+ * Bytes 4 - 7 could have some meaning?
+ *
+ * Control bits for previous samples is 32-bit field, containing 16 x 2-bit
+ * numbers. This results one 2-bit number for 8 samples. It is likely used for
+ * for bit shifting sample by given bits, increasing actual sampling resolution.
+ * Number 2 (0b10) was never seen.
+ *
+ * 6 * 16 * 2 * 4 = 768 samples. 768 * 4 = 3072 bytes
+ */
+static int msi3101_convert_stream_384(struct msi3101_state *s, u8 *dst,
+ u8 *src, unsigned int src_len)
+{
+ int i, i_max, dst_len = 0;
+ u32 sample_num[3];
+
+ /* There could be 1-3 1024 bytes URB frames */
+ i_max = src_len / 1024;
+ for (i = 0; i < i_max; i++) {
+ sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
+ if (i == 0 && s->next_sample != sample_num[0]) {
+ dev_dbg_ratelimited(&s->udev->dev,
+ "%d samples lost, %d %08x:%08x\n",
+ sample_num[0] - s->next_sample,
+ src_len, s->next_sample, sample_num[0]);
+ }
+
+ /*
+ * Dump all unknown 'garbage' data - maybe we will discover
+ * someday if there is something rational...
+ */
+ dev_dbg_ratelimited(&s->udev->dev,
+ "%*ph %*ph\n", 12, &src[4], 24, &src[1000]);
+
+ /* 384 x I+Q samples */
+ src += 16;
+ memcpy(dst, src, 984);
+ src += 984 + 24;
+ dst += 984;
+ dst_len += 984;
+ }
+
+ /* calculate samping rate and output it in 10 seconds intervals */
+ if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
+ unsigned long jiffies_now = jiffies;
+ unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
+ unsigned int samples = sample_num[i_max - 1] - s->sample;
+ s->jiffies_next = jiffies_now;
+ s->sample = sample_num[i_max - 1];
+ dev_dbg(&s->udev->dev,
+ "slen=%d samples=%u msecs=%lu sampling rate=%lu bits=%d.%d.%d.%d\n",
+ src_len, samples, msecs,
+ samples * 1000UL / msecs,
+ s->sample_ctrl_bit[0], s->sample_ctrl_bit[1],
+ s->sample_ctrl_bit[2], s->sample_ctrl_bit[3]);
+ }
+
+ /* next sample (sample = sample + i * 384) */
+ s->next_sample = sample_num[i_max - 1] + 384;
+
+ return dst_len;
+}
+
+/*
+ * +===========================================================================
+ * | 00-1023 | USB packet type '336'
+ * +===========================================================================
+ * | 00- 03 | sequence number of first sample in that USB packet
+ * +---------------------------------------------------------------------------
+ * | 04- 15 | garbage
+ * +---------------------------------------------------------------------------
+ * | 16-1023 | samples
+ * +---------------------------------------------------------------------------
+ * signed 12-bit sample
+ */
+static int msi3101_convert_stream_336(struct msi3101_state *s, u8 *dst,
+ u8 *src, unsigned int src_len)
+{
+ int i, i_max, dst_len = 0;
+ u32 sample_num[3];
+
+ /* There could be 1-3 1024 bytes URB frames */
+ i_max = src_len / 1024;
+
+ for (i = 0; i < i_max; i++) {
+ sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
+ if (i == 0 && s->next_sample != sample_num[0]) {
+ dev_dbg_ratelimited(&s->udev->dev,
+ "%d samples lost, %d %08x:%08x\n",
+ sample_num[0] - s->next_sample,
+ src_len, s->next_sample, sample_num[0]);
+ }
+
+ /*
+ * Dump all unknown 'garbage' data - maybe we will discover
+ * someday if there is something rational...
+ */
+ dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
+
+ /* 336 x I+Q samples */
+ src += 16;
+ memcpy(dst, src, 1008);
+ src += 1008;
+ dst += 1008;
+ dst_len += 1008;
+ }
+
+ /* calculate samping rate and output it in 10 seconds intervals */
+ if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
+ unsigned long jiffies_now = jiffies;
+ unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
+ unsigned int samples = sample_num[i_max - 1] - s->sample;
+ s->jiffies_next = jiffies_now;
+ s->sample = sample_num[i_max - 1];
+ dev_dbg(&s->udev->dev,
+ "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
+ src_len, samples, msecs,
+ samples * 1000UL / msecs);
+ }
+
+ /* next sample (sample = sample + i * 336) */
+ s->next_sample = sample_num[i_max - 1] + 336;
+
+ return dst_len;
+}
+
+/*
+ * +===========================================================================
+ * | 00-1023 | USB packet type '252'
+ * +===========================================================================
+ * | 00- 03 | sequence number of first sample in that USB packet
+ * +---------------------------------------------------------------------------
+ * | 04- 15 | garbage
+ * +---------------------------------------------------------------------------
+ * | 16-1023 | samples
+ * +---------------------------------------------------------------------------
+ * signed 14-bit sample
+ */
+static int msi3101_convert_stream_252(struct msi3101_state *s, u8 *dst,
+ u8 *src, unsigned int src_len)
+{
+ int i, i_max, dst_len = 0;
+ u32 sample_num[3];
+
+ /* There could be 1-3 1024 bytes URB frames */
+ i_max = src_len / 1024;
+
+ for (i = 0; i < i_max; i++) {
+ sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
+ if (i == 0 && s->next_sample != sample_num[0]) {
+ dev_dbg_ratelimited(&s->udev->dev,
+ "%d samples lost, %d %08x:%08x\n",
+ sample_num[0] - s->next_sample,
+ src_len, s->next_sample, sample_num[0]);
+ }
+
+ /*
+ * Dump all unknown 'garbage' data - maybe we will discover
+ * someday if there is something rational...
+ */
+ dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
+
+ /* 252 x I+Q samples */
+ src += 16;
+ memcpy(dst, src, 1008);
+ src += 1008;
+ dst += 1008;
+ dst_len += 1008;
+ }
+
+ /* calculate samping rate and output it in 10 seconds intervals */
+ if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
+ unsigned long jiffies_now = jiffies;
+ unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
+ unsigned int samples = sample_num[i_max - 1] - s->sample;
+ s->jiffies_next = jiffies_now;
+ s->sample = sample_num[i_max - 1];
+ dev_dbg(&s->udev->dev,
+ "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
+ src_len, samples, msecs,
+ samples * 1000UL / msecs);
+ }
+
+ /* next sample (sample = sample + i * 252) */
+ s->next_sample = sample_num[i_max - 1] + 252;
+
+ return dst_len;
+}
+
+static int msi3101_convert_stream_252_u16(struct msi3101_state *s, u8 *dst,
+ u8 *src, unsigned int src_len)
+{
+ int i, j, i_max, dst_len = 0;
+ u32 sample_num[3];
+ u16 *u16dst = (u16 *) dst;
+ struct {signed int x:14;} se;
+
+ /* There could be 1-3 1024 bytes URB frames */
+ i_max = src_len / 1024;
+
+ for (i = 0; i < i_max; i++) {
+ sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
+ if (i == 0 && s->next_sample != sample_num[0]) {
+ dev_dbg_ratelimited(&s->udev->dev,
+ "%d samples lost, %d %08x:%08x\n",
+ sample_num[0] - s->next_sample,
+ src_len, s->next_sample, sample_num[0]);
+ }
+
+ /*
+ * Dump all unknown 'garbage' data - maybe we will discover
+ * someday if there is something rational...
+ */
+ dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
+
+ /* 252 x I+Q samples */
+ src += 16;
+
+ for (j = 0; j < 1008; j += 4) {
+ unsigned int usample[2];
+ int ssample[2];
+
+ usample[0] = src[j + 0] >> 0 | src[j + 1] << 8;
+ usample[1] = src[j + 2] >> 0 | src[j + 3] << 8;
+
+ /* sign extension from 14-bit to signed int */
+ ssample[0] = se.x = usample[0];
+ ssample[1] = se.x = usample[1];
+
+ /* from signed to unsigned */
+ usample[0] = ssample[0] + 8192;
+ usample[1] = ssample[1] + 8192;
+
+ /* from 14-bit to 16-bit */
+ *u16dst++ = (usample[0] << 2) | (usample[0] >> 12);
+ *u16dst++ = (usample[1] << 2) | (usample[1] >> 12);
+ }
+
+ src += 1008;
+ dst += 1008;
+ dst_len += 1008;
+ }
+
+ /* calculate samping rate and output it in 10 seconds intervals */
+ if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
+#define MSECS 10000UL
+ unsigned int samples = sample_num[i_max - 1] - s->sample;
+ s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
+ s->sample = sample_num[i_max - 1];
+ dev_dbg(&s->udev->dev,
+ "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
+ src_len, samples, MSECS,
+ samples * 1000UL / MSECS);
+ }
+
+ /* next sample (sample = sample + i * 252) */
+ s->next_sample = sample_num[i_max - 1] + 252;
+
+ return dst_len;
+}
+
+/*
+ * This gets called for the Isochronous pipe (stream). This is done in interrupt
+ * time, so it has to be fast, not crash, and not stall. Neat.
+ */
+static void msi3101_isoc_handler(struct urb *urb)
+{
+ struct msi3101_state *s = (struct msi3101_state *)urb->context;
+ int i, flen, fstatus;
+ unsigned char *iso_buf = NULL;
+ struct msi3101_frame_buf *fbuf;
+
+ if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET ||
+ urb->status == -ESHUTDOWN)) {
+ dev_dbg(&s->udev->dev, "URB (%p) unlinked %ssynchronuously\n",
+ urb, urb->status == -ENOENT ? "" : "a");
+ return;
+ }
+
+ if (unlikely(urb->status != 0)) {
+ dev_dbg(&s->udev->dev,
+ "msi3101_isoc_handler() called with status %d\n",
+ urb->status);
+ /* Give up after a number of contiguous errors */
+ if (++s->isoc_errors > MAX_ISOC_ERRORS)
+ dev_dbg(&s->udev->dev,
+ "Too many ISOC errors, bailing out\n");
+ goto handler_end;
+ } else {
+ /* Reset ISOC error counter. We did get here, after all. */
+ s->isoc_errors = 0;
+ }
+
+ /* Compact data */
+ for (i = 0; i < urb->number_of_packets; i++) {
+ void *ptr;
+
+ /* Check frame error */
+ fstatus = urb->iso_frame_desc[i].status;
+ if (unlikely(fstatus)) {
+ dev_dbg_ratelimited(&s->udev->dev,
+ "frame=%d/%d has error %d skipping\n",
+ i, urb->number_of_packets, fstatus);
+ continue;
+ }
+
+ /* Check if that frame contains data */
+ flen = urb->iso_frame_desc[i].actual_length;
+ if (unlikely(flen == 0))
+ continue;
+
+ iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
+
+ /* Get free framebuffer */
+ fbuf = msi3101_get_next_fill_buf(s);
+ if (unlikely(fbuf == NULL)) {
+ s->vb_full++;
+ dev_dbg_ratelimited(&s->udev->dev,
+ "videobuf is full, %d packets dropped\n",
+ s->vb_full);
+ continue;
+ }
+
+ /* fill framebuffer */
+ ptr = vb2_plane_vaddr(&fbuf->vb, 0);
+ flen = s->convert_stream(s, ptr, iso_buf, flen);
+ vb2_set_plane_payload(&fbuf->vb, 0, flen);
+ vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
+ }
+
+handler_end:
+ i = usb_submit_urb(urb, GFP_ATOMIC);
+ if (unlikely(i != 0))
+ dev_dbg(&s->udev->dev,
+ "Error (%d) re-submitting urb in msi3101_isoc_handler\n",
+ i);
+}
+
+static void msi3101_iso_stop(struct msi3101_state *s)
+{
+ int i;
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ /* Unlinking ISOC buffers one by one */
+ for (i = 0; i < MAX_ISO_BUFS; i++) {
+ if (s->urbs[i]) {
+ dev_dbg(&s->udev->dev, "Unlinking URB %p\n",
+ s->urbs[i]);
+ usb_kill_urb(s->urbs[i]);
+ }
+ }
+}
+
+static void msi3101_iso_free(struct msi3101_state *s)
+{
+ int i;
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ /* Freeing ISOC buffers one by one */
+ for (i = 0; i < MAX_ISO_BUFS; i++) {
+ if (s->urbs[i]) {
+ dev_dbg(&s->udev->dev, "Freeing URB\n");
+ if (s->urbs[i]->transfer_buffer) {
+ usb_free_coherent(s->udev,
+ s->urbs[i]->transfer_buffer_length,
+ s->urbs[i]->transfer_buffer,
+ s->urbs[i]->transfer_dma);
+ }
+ usb_free_urb(s->urbs[i]);
+ s->urbs[i] = NULL;
+ }
+ }
+}
+
+/* Both v4l2_lock and vb_queue_lock should be locked when calling this */
+static void msi3101_isoc_cleanup(struct msi3101_state *s)
+{
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ msi3101_iso_stop(s);
+ msi3101_iso_free(s);
+}
+
+/* Both v4l2_lock and vb_queue_lock should be locked when calling this */
+static int msi3101_isoc_init(struct msi3101_state *s)
+{
+ struct usb_device *udev;
+ struct urb *urb;
+ int i, j, ret;
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ s->isoc_errors = 0;
+ udev = s->udev;
+
+ ret = usb_set_interface(s->udev, 0, 1);
+ if (ret)
+ return ret;
+
+ /* Allocate and init Isochronuous urbs */
+ for (i = 0; i < MAX_ISO_BUFS; i++) {
+ urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL);
+ if (urb == NULL) {
+ dev_err(&s->udev->dev,
+ "Failed to allocate urb %d\n", i);
+ msi3101_isoc_cleanup(s);
+ return -ENOMEM;
+ }
+ s->urbs[i] = urb;
+ dev_dbg(&s->udev->dev, "Allocated URB at 0x%p\n", urb);
+
+ urb->interval = 1;
+ urb->dev = udev;
+ urb->pipe = usb_rcvisocpipe(udev, 0x81);
+ urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
+ urb->transfer_buffer = usb_alloc_coherent(udev, ISO_BUFFER_SIZE,
+ GFP_KERNEL, &urb->transfer_dma);
+ if (urb->transfer_buffer == NULL) {
+ dev_err(&s->udev->dev,
+ "Failed to allocate urb buffer %d\n",
+ i);
+ msi3101_isoc_cleanup(s);
+ return -ENOMEM;
+ }
+ urb->transfer_buffer_length = ISO_BUFFER_SIZE;
+ urb->complete = msi3101_isoc_handler;
+ urb->context = s;
+ urb->start_frame = 0;
+ urb->number_of_packets = ISO_FRAMES_PER_DESC;
+ for (j = 0; j < ISO_FRAMES_PER_DESC; j++) {
+ urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE;
+ urb->iso_frame_desc[j].length = ISO_MAX_FRAME_SIZE;
+ }
+ }
+
+ /* link */
+ for (i = 0; i < MAX_ISO_BUFS; i++) {
+ ret = usb_submit_urb(s->urbs[i], GFP_KERNEL);
+ if (ret) {
+ dev_err(&s->udev->dev,
+ "isoc_init() submit_urb %d failed with error %d\n",
+ i, ret);
+ msi3101_isoc_cleanup(s);
+ return ret;
+ }
+ dev_dbg(&s->udev->dev, "URB 0x%p submitted.\n", s->urbs[i]);
+ }
+
+ /* All is done... */
+ return 0;
+}
+
+/* Must be called with vb_queue_lock hold */
+static void msi3101_cleanup_queued_bufs(struct msi3101_state *s)
+{
+ unsigned long flags = 0;
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ spin_lock_irqsave(&s->queued_bufs_lock, flags);
+ while (!list_empty(&s->queued_bufs)) {
+ struct msi3101_frame_buf *buf;
+
+ buf = list_entry(s->queued_bufs.next, struct msi3101_frame_buf,
+ list);
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+ spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
+}
+
+/* The user yanked out the cable... */
+static void msi3101_disconnect(struct usb_interface *intf)
+{
+ struct v4l2_device *v = usb_get_intfdata(intf);
+ struct msi3101_state *s =
+ container_of(v, struct msi3101_state, v4l2_dev);
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ mutex_lock(&s->vb_queue_lock);
+ mutex_lock(&s->v4l2_lock);
+ /* No need to keep the urbs around after disconnection */
+ s->udev = NULL;
+ v4l2_device_disconnect(&s->v4l2_dev);
+ video_unregister_device(&s->vdev);
+ spi_unregister_master(s->master);
+ mutex_unlock(&s->v4l2_lock);
+ mutex_unlock(&s->vb_queue_lock);
+
+ v4l2_device_put(&s->v4l2_dev);
+}
+
+static int msi3101_querycap(struct file *file, void *fh,
+ struct v4l2_capability *cap)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
+ strlcpy(cap->card, s->vdev.name, sizeof(cap->card));
+ usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info));
+ cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING |
+ V4L2_CAP_READWRITE | V4L2_CAP_TUNER;
+ cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+ return 0;
+}
+
+/* Videobuf2 operations */
+static int msi3101_queue_setup(struct vb2_queue *vq,
+ const struct v4l2_format *fmt, unsigned int *nbuffers,
+ unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
+{
+ struct msi3101_state *s = vb2_get_drv_priv(vq);
+ dev_dbg(&s->udev->dev, "%s: *nbuffers=%d\n", __func__, *nbuffers);
+
+ /* Absolute min and max number of buffers available for mmap() */
+ *nbuffers = clamp_t(unsigned int, *nbuffers, 8, 32);
+ *nplanes = 1;
+ /*
+ * 3, wMaxPacketSize 3x 1024 bytes
+ * 504, max IQ sample pairs per 1024 frame
+ * 2, two samples, I and Q
+ * 2, 16-bit is enough for single sample
+ */
+ sizes[0] = PAGE_ALIGN(3 * 504 * 2 * 2);
+ dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n",
+ __func__, *nbuffers, sizes[0]);
+ return 0;
+}
+
+static void msi3101_buf_queue(struct vb2_buffer *vb)
+{
+ struct msi3101_state *s = vb2_get_drv_priv(vb->vb2_queue);
+ struct msi3101_frame_buf *buf =
+ container_of(vb, struct msi3101_frame_buf, vb);
+ unsigned long flags = 0;
+
+ /* Check the device has not disconnected between prep and queuing */
+ if (unlikely(!s->udev)) {
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ return;
+ }
+
+ spin_lock_irqsave(&s->queued_bufs_lock, flags);
+ list_add_tail(&buf->list, &s->queued_bufs);
+ spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
+}
+
+#define CMD_WREG 0x41
+#define CMD_START_STREAMING 0x43
+#define CMD_STOP_STREAMING 0x45
+#define CMD_READ_UNKNOW 0x48
+
+#define msi3101_dbg_usb_control_msg(udev, r, t, v, _i, b, l) { \
+ char *direction; \
+ if (t == (USB_TYPE_VENDOR | USB_DIR_OUT)) \
+ direction = ">>>"; \
+ else \
+ direction = "<<<"; \
+ dev_dbg(&udev->dev, "%s: %02x %02x %02x %02x %02x %02x %02x %02x " \
+ "%s %*ph\n", __func__, t, r, v & 0xff, v >> 8, \
+ _i & 0xff, _i >> 8, l & 0xff, l >> 8, direction, l, b); \
+}
+
+static int msi3101_ctrl_msg(struct msi3101_state *s, u8 cmd, u32 data)
+{
+ int ret;
+ u8 request = cmd;
+ u8 requesttype = USB_DIR_OUT | USB_TYPE_VENDOR;
+ u16 value = (data >> 0) & 0xffff;
+ u16 index = (data >> 16) & 0xffff;
+
+ msi3101_dbg_usb_control_msg(s->udev,
+ request, requesttype, value, index, NULL, 0);
+
+ ret = usb_control_msg(s->udev, usb_sndctrlpipe(s->udev, 0),
+ request, requesttype, value, index, NULL, 0, 2000);
+
+ if (ret)
+ dev_err(&s->udev->dev, "%s: failed %d, cmd %02x, data %04x\n",
+ __func__, ret, cmd, data);
+
+ return ret;
+};
+
+#define F_REF 24000000
+#define DIV_R_IN 2
+static int msi3101_set_usb_adc(struct msi3101_state *s)
+{
+ int ret, div_n, div_m, div_r_out, f_sr, f_vco, fract;
+ u32 reg3, reg4, reg7;
+ struct v4l2_ctrl *bandwidth_auto;
+ struct v4l2_ctrl *bandwidth;
+
+ f_sr = s->f_adc;
+
+ /* set tuner, subdev, filters according to sampling rate */
+ bandwidth_auto = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO);
+ if (v4l2_ctrl_g_ctrl(bandwidth_auto)) {
+ bandwidth = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH);
+ v4l2_ctrl_s_ctrl(bandwidth, s->f_adc);
+ }
+
+ /* select stream format */
+ switch (s->pixelformat) {
+ case V4L2_SDR_FMT_CU8:
+ s->convert_stream = msi3101_convert_stream_504_u8;
+ reg7 = 0x000c9407;
+ break;
+ case V4L2_SDR_FMT_CU16LE:
+ s->convert_stream = msi3101_convert_stream_252_u16;
+ reg7 = 0x00009407;
+ break;
+ case V4L2_PIX_FMT_SDR_S8:
+ s->convert_stream = msi3101_convert_stream_504;
+ reg7 = 0x000c9407;
+ break;
+ case V4L2_PIX_FMT_SDR_MSI2500_384:
+ s->convert_stream = msi3101_convert_stream_384;
+ reg7 = 0x0000a507;
+ break;
+ case V4L2_PIX_FMT_SDR_S12:
+ s->convert_stream = msi3101_convert_stream_336;
+ reg7 = 0x00008507;
+ break;
+ case V4L2_PIX_FMT_SDR_S14:
+ s->convert_stream = msi3101_convert_stream_252;
+ reg7 = 0x00009407;
+ break;
+ default:
+ s->convert_stream = msi3101_convert_stream_504_u8;
+ reg7 = 0x000c9407;
+ break;
+ }
+
+ /*
+ * Synthesizer config is just a educated guess...
+ *
+ * [7:0] 0x03, register address
+ * [8] 1, power control
+ * [9] ?, power control
+ * [12:10] output divider
+ * [13] 0 ?
+ * [14] 0 ?
+ * [15] fractional MSB, bit 20
+ * [16:19] N
+ * [23:20] ?
+ * [24:31] 0x01
+ *
+ * output divider
+ * val div
+ * 0 - (invalid)
+ * 1 4
+ * 2 6
+ * 3 8
+ * 4 10
+ * 5 12
+ * 6 14
+ * 7 16
+ *
+ * VCO 202000000 - 720000000++
+ */
+ reg3 = 0x01000303;
+ reg4 = 0x00000004;
+
+ /* XXX: Filters? AGC? */
+ if (f_sr < 6000000)
+ reg3 |= 0x1 << 20;
+ else if (f_sr < 7000000)
+ reg3 |= 0x5 << 20;
+ else if (f_sr < 8500000)
+ reg3 |= 0x9 << 20;
+ else
+ reg3 |= 0xd << 20;
+
+ for (div_r_out = 4; div_r_out < 16; div_r_out += 2) {
+ f_vco = f_sr * div_r_out * 12;
+ dev_dbg(&s->udev->dev, "%s: div_r_out=%d f_vco=%d\n",
+ __func__, div_r_out, f_vco);
+ if (f_vco >= 202000000)
+ break;
+ }
+
+ div_n = f_vco / (F_REF * DIV_R_IN);
+ div_m = f_vco % (F_REF * DIV_R_IN);
+ fract = 0x200000ul * div_m / (F_REF * DIV_R_IN);
+
+ reg3 |= div_n << 16;
+ reg3 |= (div_r_out / 2 - 1) << 10;
+ reg3 |= ((fract >> 20) & 0x000001) << 15; /* [20] */
+ reg4 |= ((fract >> 0) & 0x0fffff) << 8; /* [19:0] */
+
+ dev_dbg(&s->udev->dev,
+ "%s: f_sr=%d f_vco=%d div_n=%d div_m=%d div_r_out=%d reg3=%08x reg4=%08x\n",
+ __func__, f_sr, f_vco, div_n, div_m, div_r_out, reg3, reg4);
+
+ ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00608008);
+ if (ret)
+ goto err;
+
+ ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00000c05);
+ if (ret)
+ goto err;
+
+ ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00020000);
+ if (ret)
+ goto err;
+
+ ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00480102);
+ if (ret)
+ goto err;
+
+ ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00f38008);
+ if (ret)
+ goto err;
+
+ ret = msi3101_ctrl_msg(s, CMD_WREG, reg7);
+ if (ret)
+ goto err;
+
+ ret = msi3101_ctrl_msg(s, CMD_WREG, reg4);
+ if (ret)
+ goto err;
+
+ ret = msi3101_ctrl_msg(s, CMD_WREG, reg3);
+ if (ret)
+ goto err;
+err:
+ return ret;
+};
+
+static int msi3101_start_streaming(struct vb2_queue *vq, unsigned int count)
+{
+ struct msi3101_state *s = vb2_get_drv_priv(vq);
+ int ret;
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ if (!s->udev)
+ return -ENODEV;
+
+ if (mutex_lock_interruptible(&s->v4l2_lock))
+ return -ERESTARTSYS;
+
+ /* wake-up tuner */
+ v4l2_subdev_call(s->v4l2_subdev, core, s_power, 1);
+
+ ret = msi3101_set_usb_adc(s);
+
+ ret = msi3101_isoc_init(s);
+ if (ret)
+ msi3101_cleanup_queued_bufs(s);
+
+ ret = msi3101_ctrl_msg(s, CMD_START_STREAMING, 0);
+
+ mutex_unlock(&s->v4l2_lock);
+
+ return ret;
+}
+
+static void msi3101_stop_streaming(struct vb2_queue *vq)
+{
+ struct msi3101_state *s = vb2_get_drv_priv(vq);
+
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ mutex_lock(&s->v4l2_lock);
+
+ if (s->udev)
+ msi3101_isoc_cleanup(s);
+
+ msi3101_cleanup_queued_bufs(s);
+
+ /* according to tests, at least 700us delay is required */
+ msleep(20);
+ if (!msi3101_ctrl_msg(s, CMD_STOP_STREAMING, 0)) {
+ /* sleep USB IF / ADC */
+ msi3101_ctrl_msg(s, CMD_WREG, 0x01000003);
+ }
+
+ /* sleep tuner */
+ v4l2_subdev_call(s->v4l2_subdev, core, s_power, 0);
+
+ mutex_unlock(&s->v4l2_lock);
+}
+
+static struct vb2_ops msi3101_vb2_ops = {
+ .queue_setup = msi3101_queue_setup,
+ .buf_queue = msi3101_buf_queue,
+ .start_streaming = msi3101_start_streaming,
+ .stop_streaming = msi3101_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+};
+
+static int msi3101_enum_fmt_sdr_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, f->index);
+
+ if (f->index >= NUM_FORMATS)
+ return -EINVAL;
+
+ strlcpy(f->description, formats[f->index].name, sizeof(f->description));
+ f->pixelformat = formats[f->index].pixelformat;
+
+ return 0;
+}
+
+static int msi3101_g_fmt_sdr_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
+ (char *)&s->pixelformat);
+
+ memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
+ f->fmt.sdr.pixelformat = s->pixelformat;
+
+ return 0;
+}
+
+static int msi3101_s_fmt_sdr_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ struct vb2_queue *q = &s->vb_queue;
+ int i;
+ dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
+ (char *)&f->fmt.sdr.pixelformat);
+
+ if (vb2_is_busy(q))
+ return -EBUSY;
+
+ memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
+ for (i = 0; i < NUM_FORMATS; i++) {
+ if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
+ s->pixelformat = f->fmt.sdr.pixelformat;
+ return 0;
+ }
+ }
+
+ f->fmt.sdr.pixelformat = formats[0].pixelformat;
+ s->pixelformat = formats[0].pixelformat;
+
+ return 0;
+}
+
+static int msi3101_try_fmt_sdr_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ int i;
+ dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
+ (char *)&f->fmt.sdr.pixelformat);
+
+ memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
+ for (i = 0; i < NUM_FORMATS; i++) {
+ if (formats[i].pixelformat == f->fmt.sdr.pixelformat)
+ return 0;
+ }
+
+ f->fmt.sdr.pixelformat = formats[0].pixelformat;
+
+ return 0;
+}
+
+static int msi3101_s_tuner(struct file *file, void *priv,
+ const struct v4l2_tuner *v)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ int ret;
+ dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, v->index);
+
+ if (v->index == 0)
+ ret = 0;
+ else if (v->index == 1)
+ ret = v4l2_subdev_call(s->v4l2_subdev, tuner, s_tuner, v);
+ else
+ ret = -EINVAL;
+
+ return ret;
+}
+
+static int msi3101_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ int ret;
+ dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, v->index);
+
+ if (v->index == 0) {
+ strlcpy(v->name, "Mirics MSi2500", sizeof(v->name));
+ v->type = V4L2_TUNER_ADC;
+ v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
+ v->rangelow = 1200000;
+ v->rangehigh = 15000000;
+ ret = 0;
+ } else if (v->index == 1) {
+ ret = v4l2_subdev_call(s->v4l2_subdev, tuner, g_tuner, v);
+ } else {
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int msi3101_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ int ret = 0;
+ dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d\n",
+ __func__, f->tuner, f->type);
+
+ if (f->tuner == 0) {
+ f->frequency = s->f_adc;
+ ret = 0;
+ } else if (f->tuner == 1) {
+ f->type = V4L2_TUNER_RF;
+ ret = v4l2_subdev_call(s->v4l2_subdev, tuner, g_frequency, f);
+ } else {
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int msi3101_s_frequency(struct file *file, void *priv,
+ const struct v4l2_frequency *f)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ int ret;
+ dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d frequency=%u\n",
+ __func__, f->tuner, f->type, f->frequency);
+
+ if (f->tuner == 0) {
+ s->f_adc = clamp_t(unsigned int, f->frequency,
+ bands[0].rangelow,
+ bands[0].rangehigh);
+ dev_dbg(&s->udev->dev, "%s: ADC frequency=%u Hz\n",
+ __func__, s->f_adc);
+ ret = msi3101_set_usb_adc(s);
+ } else if (f->tuner == 1) {
+ ret = v4l2_subdev_call(s->v4l2_subdev, tuner, s_frequency, f);
+ } else {
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int msi3101_enum_freq_bands(struct file *file, void *priv,
+ struct v4l2_frequency_band *band)
+{
+ struct msi3101_state *s = video_drvdata(file);
+ int ret;
+ dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d index=%d\n",
+ __func__, band->tuner, band->type, band->index);
+
+ if (band->tuner == 0) {
+ if (band->index >= ARRAY_SIZE(bands)) {
+ ret = -EINVAL;
+ } else {
+ *band = bands[band->index];
+ ret = 0;
+ }
+ } else if (band->tuner == 1) {
+ ret = v4l2_subdev_call(s->v4l2_subdev, tuner,
+ enum_freq_bands, band);
+ } else {
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static const struct v4l2_ioctl_ops msi3101_ioctl_ops = {
+ .vidioc_querycap = msi3101_querycap,
+
+ .vidioc_enum_fmt_sdr_cap = msi3101_enum_fmt_sdr_cap,
+ .vidioc_g_fmt_sdr_cap = msi3101_g_fmt_sdr_cap,
+ .vidioc_s_fmt_sdr_cap = msi3101_s_fmt_sdr_cap,
+ .vidioc_try_fmt_sdr_cap = msi3101_try_fmt_sdr_cap,
+
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_create_bufs = vb2_ioctl_create_bufs,
+ .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
+
+ .vidioc_g_tuner = msi3101_g_tuner,
+ .vidioc_s_tuner = msi3101_s_tuner,
+
+ .vidioc_g_frequency = msi3101_g_frequency,
+ .vidioc_s_frequency = msi3101_s_frequency,
+ .vidioc_enum_freq_bands = msi3101_enum_freq_bands,
+
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+};
+
+static const struct v4l2_file_operations msi3101_fops = {
+ .owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
+ .read = vb2_fop_read,
+ .poll = vb2_fop_poll,
+ .mmap = vb2_fop_mmap,
+ .unlocked_ioctl = video_ioctl2,
+};
+
+static struct video_device msi3101_template = {
+ .name = "Mirics MSi3101 SDR Dongle",
+ .release = video_device_release_empty,
+ .fops = &msi3101_fops,
+ .ioctl_ops = &msi3101_ioctl_ops,
+};
+
+static void msi3101_video_release(struct v4l2_device *v)
+{
+ struct msi3101_state *s =
+ container_of(v, struct msi3101_state, v4l2_dev);
+
+ v4l2_ctrl_handler_free(&s->hdl);
+ v4l2_device_unregister(&s->v4l2_dev);
+ kfree(s);
+}
+
+static int msi3101_transfer_one_message(struct spi_master *master,
+ struct spi_message *m)
+{
+ struct msi3101_state *s = spi_master_get_devdata(master);
+ struct spi_transfer *t;
+ int ret = 0;
+ u32 data;
+
+ list_for_each_entry(t, &m->transfers, transfer_list) {
+ dev_dbg(&s->udev->dev, "%s: msg=%*ph\n",
+ __func__, t->len, t->tx_buf);
+ data = 0x09; /* reg 9 is SPI adapter */
+ data |= ((u8 *)t->tx_buf)[0] << 8;
+ data |= ((u8 *)t->tx_buf)[1] << 16;
+ data |= ((u8 *)t->tx_buf)[2] << 24;
+ ret = msi3101_ctrl_msg(s, CMD_WREG, data);
+ }
+
+ m->status = ret;
+ spi_finalize_current_message(master);
+ return ret;
+}
+
+static int msi3101_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct msi3101_state *s = NULL;
+ struct v4l2_subdev *sd;
+ struct spi_master *master;
+ int ret;
+ static struct spi_board_info board_info = {
+ .modalias = "msi001",
+ .bus_num = 0,
+ .chip_select = 0,
+ .max_speed_hz = 12000000,
+ };
+
+ s = kzalloc(sizeof(struct msi3101_state), GFP_KERNEL);
+ if (s == NULL) {
+ pr_err("Could not allocate memory for msi3101_state\n");
+ return -ENOMEM;
+ }
+
+ mutex_init(&s->v4l2_lock);
+ mutex_init(&s->vb_queue_lock);
+ spin_lock_init(&s->queued_bufs_lock);
+ INIT_LIST_HEAD(&s->queued_bufs);
+ s->udev = udev;
+ s->f_adc = bands[0].rangelow;
+ s->pixelformat = V4L2_SDR_FMT_CU8;
+
+ /* Init videobuf2 queue structure */
+ s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE;
+ s->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
+ s->vb_queue.drv_priv = s;
+ s->vb_queue.buf_struct_size = sizeof(struct msi3101_frame_buf);
+ s->vb_queue.ops = &msi3101_vb2_ops;
+ s->vb_queue.mem_ops = &vb2_vmalloc_memops;
+ s->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ ret = vb2_queue_init(&s->vb_queue);
+ if (ret) {
+ dev_err(&s->udev->dev, "Could not initialize vb2 queue\n");
+ goto err_free_mem;
+ }
+
+ /* Init video_device structure */
+ s->vdev = msi3101_template;
+ s->vdev.queue = &s->vb_queue;
+ s->vdev.queue->lock = &s->vb_queue_lock;
+ set_bit(V4L2_FL_USE_FH_PRIO, &s->vdev.flags);
+ video_set_drvdata(&s->vdev, s);
+
+ /* Register the v4l2_device structure */
+ s->v4l2_dev.release = msi3101_video_release;
+ ret = v4l2_device_register(&intf->dev, &s->v4l2_dev);
+ if (ret) {
+ dev_err(&s->udev->dev,
+ "Failed to register v4l2-device (%d)\n", ret);
+ goto err_free_mem;
+ }
+
+ /* SPI master adapter */
+ master = spi_alloc_master(&s->udev->dev, 0);
+ if (master == NULL) {
+ ret = -ENOMEM;
+ goto err_unregister_v4l2_dev;
+ }
+
+ s->master = master;
+ master->bus_num = 0;
+ master->num_chipselect = 1;
+ master->transfer_one_message = msi3101_transfer_one_message;
+ spi_master_set_devdata(master, s);
+ ret = spi_register_master(master);
+ if (ret) {
+ spi_master_put(master);
+ goto err_unregister_v4l2_dev;
+ }
+
+ /* load v4l2 subdevice */
+ sd = v4l2_spi_new_subdev(&s->v4l2_dev, master, &board_info);
+ s->v4l2_subdev = sd;
+ if (sd == NULL) {
+ dev_err(&s->udev->dev, "cannot get v4l2 subdevice\n");
+ ret = -ENODEV;
+ goto err_unregister_master;
+ }
+
+ /* Register controls */
+ v4l2_ctrl_handler_init(&s->hdl, 0);
+ if (s->hdl.error) {
+ ret = s->hdl.error;
+ dev_err(&s->udev->dev, "Could not initialize controls\n");
+ goto err_free_controls;
+ }
+
+ /* currently all controls are from subdev */
+ v4l2_ctrl_add_handler(&s->hdl, sd->ctrl_handler, NULL);
+
+ s->v4l2_dev.ctrl_handler = &s->hdl;
+ s->vdev.v4l2_dev = &s->v4l2_dev;
+ s->vdev.lock = &s->v4l2_lock;
+
+ ret = video_register_device(&s->vdev, VFL_TYPE_SDR, -1);
+ if (ret) {
+ dev_err(&s->udev->dev,
+ "Failed to register as video device (%d)\n",
+ ret);
+ goto err_unregister_v4l2_dev;
+ }
+ dev_info(&s->udev->dev, "Registered as %s\n",
+ video_device_node_name(&s->vdev));
+
+ return 0;
+
+err_free_controls:
+ v4l2_ctrl_handler_free(&s->hdl);
+err_unregister_master:
+ spi_unregister_master(s->master);
+err_unregister_v4l2_dev:
+ v4l2_device_unregister(&s->v4l2_dev);
+err_free_mem:
+ kfree(s);
+ return ret;
+}
+
+/* USB device ID list */
+static struct usb_device_id msi3101_id_table[] = {
+ { USB_DEVICE(0x1df7, 0x2500) }, /* Mirics MSi3101 SDR Dongle */
+ { USB_DEVICE(0x2040, 0xd300) }, /* Hauppauge WinTV 133559 LF */
+ { }
+};
+MODULE_DEVICE_TABLE(usb, msi3101_id_table);
+
+/* USB subsystem interface */
+static struct usb_driver msi3101_driver = {
+ .name = KBUILD_MODNAME,
+ .probe = msi3101_probe,
+ .disconnect = msi3101_disconnect,
+ .id_table = msi3101_id_table,
+};
+
+module_usb_driver(msi3101_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Mirics MSi3101 SDR Dongle");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
index a9f2e63..11cfdfc 100644
--- a/drivers/staging/media/Kconfig
+++ b/drivers/staging/media/Kconfig
@@ -31,8 +31,6 @@ source "drivers/staging/media/dt3155v4l/Kconfig"
source "drivers/staging/media/go7007/Kconfig"
-source "drivers/staging/media/msi3101/Kconfig"
-
source "drivers/staging/media/omap24xx/Kconfig"
source "drivers/staging/media/sn9c102/Kconfig"
diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
index 8e2c5d2..86f0811 100644
--- a/drivers/staging/media/Makefile
+++ b/drivers/staging/media/Makefile
@@ -5,7 +5,6 @@ obj-$(CONFIG_LIRC_STAGING) += lirc/
obj-$(CONFIG_SOLO6X10) += solo6x10/
obj-$(CONFIG_VIDEO_DT3155) += dt3155v4l/
obj-$(CONFIG_VIDEO_GO7007) += go7007/
-obj-$(CONFIG_USB_MSI3101) += msi3101/
obj-$(CONFIG_VIDEO_DM365_VPFE) += davinci_vpfe/
obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/
obj-$(CONFIG_USB_SN9C102) += sn9c102/
diff --git a/drivers/staging/media/msi3101/Kconfig b/drivers/staging/media/msi3101/Kconfig
deleted file mode 100644
index 399dbbb..0000000
--- a/drivers/staging/media/msi3101/Kconfig
+++ /dev/null
@@ -1,7 +0,0 @@
-config USB_MSI3101
- tristate "Mirics MSi3101 SDR Dongle"
- depends on USB && VIDEO_DEV && VIDEO_V4L2 && SPI
- select VIDEOBUF2_CORE
- select VIDEOBUF2_VMALLOC
- select MEDIA_TUNER_MSI001
-
diff --git a/drivers/staging/media/msi3101/Makefile b/drivers/staging/media/msi3101/Makefile
deleted file mode 100644
index 3730654..0000000
--- a/drivers/staging/media/msi3101/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_USB_MSI3101) += sdr-msi3101.o
diff --git a/drivers/staging/media/msi3101/sdr-msi3101.c b/drivers/staging/media/msi3101/sdr-msi3101.c
deleted file mode 100644
index 08d0d09..0000000
--- a/drivers/staging/media/msi3101/sdr-msi3101.c
+++ /dev/null
@@ -1,1518 +0,0 @@
-/*
- * Mirics MSi3101 SDR Dongle driver
- *
- * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * That driver is somehow based of pwc driver:
- * (C) 1999-2004 Nemosoft Unv.
- * (C) 2004-2006 Luc Saillard (luc@saillard.org)
- * (C) 2011 Hans de Goede <hdegoede@redhat.com>
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <asm/div64.h>
-#include <media/v4l2-device.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
-#include <linux/usb.h>
-#include <media/videobuf2-vmalloc.h>
-#include <linux/spi/spi.h>
-
-/*
- * iConfiguration 0
- * bInterfaceNumber 0
- * bAlternateSetting 1
- * bNumEndpoints 1
- * bEndpointAddress 0x81 EP 1 IN
- * bmAttributes 1
- * Transfer Type Isochronous
- * wMaxPacketSize 0x1400 3x 1024 bytes
- * bInterval 1
- */
-#define MAX_ISO_BUFS (8)
-#define ISO_FRAMES_PER_DESC (8)
-#define ISO_MAX_FRAME_SIZE (3 * 1024)
-#define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE)
-#define MAX_ISOC_ERRORS 20
-
-/* TODO: These should be moved to V4L2 API */
-#define V4L2_PIX_FMT_SDR_S8 v4l2_fourcc('D', 'S', '0', '8') /* signed 8-bit */
-#define V4L2_PIX_FMT_SDR_S12 v4l2_fourcc('D', 'S', '1', '2') /* signed 12-bit */
-#define V4L2_PIX_FMT_SDR_S14 v4l2_fourcc('D', 'S', '1', '4') /* signed 14-bit */
-#define V4L2_PIX_FMT_SDR_MSI2500_384 v4l2_fourcc('M', '3', '8', '4') /* Mirics MSi2500 format 384 */
-
-static const struct v4l2_frequency_band bands[] = {
- {
- .tuner = 0,
- .type = V4L2_TUNER_ADC,
- .index = 0,
- .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 1200000,
- .rangehigh = 15000000,
- },
-};
-
-/* stream formats */
-struct msi3101_format {
- char *name;
- u32 pixelformat;
-};
-
-/* format descriptions for capture and preview */
-static struct msi3101_format formats[] = {
- {
- .name = "IQ U8",
- .pixelformat = V4L2_SDR_FMT_CU8,
- }, {
- .name = "IQ U16LE",
- .pixelformat = V4L2_SDR_FMT_CU16LE,
-#if 0
- }, {
- .name = "8-bit signed",
- .pixelformat = V4L2_PIX_FMT_SDR_S8,
- }, {
- .name = "10+2-bit signed",
- .pixelformat = V4L2_PIX_FMT_SDR_MSI2500_384,
- }, {
- .name = "12-bit signed",
- .pixelformat = V4L2_PIX_FMT_SDR_S12,
- }, {
- .name = "14-bit signed",
- .pixelformat = V4L2_PIX_FMT_SDR_S14,
-#endif
- },
-};
-
-static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats);
-
-/* intermediate buffers with raw data from the USB device */
-struct msi3101_frame_buf {
- struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */
- struct list_head list;
-};
-
-struct msi3101_state {
- struct video_device vdev;
- struct v4l2_device v4l2_dev;
- struct v4l2_subdev *v4l2_subdev;
- struct spi_master *master;
-
- /* videobuf2 queue and queued buffers list */
- struct vb2_queue vb_queue;
- struct list_head queued_bufs;
- spinlock_t queued_bufs_lock; /* Protects queued_bufs */
-
- /* Note if taking both locks v4l2_lock must always be locked first! */
- struct mutex v4l2_lock; /* Protects everything else */
- struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */
-
- /* Pointer to our usb_device, will be NULL after unplug */
- struct usb_device *udev; /* Both mutexes most be hold when setting! */
-
- unsigned int f_adc;
- u32 pixelformat;
-
- unsigned int isoc_errors; /* number of contiguous ISOC errors */
- unsigned int vb_full; /* vb is full and packets dropped */
-
- struct urb *urbs[MAX_ISO_BUFS];
- int (*convert_stream)(struct msi3101_state *s, u8 *dst, u8 *src,
- unsigned int src_len);
-
- /* Controls */
- struct v4l2_ctrl_handler hdl;
-
- u32 next_sample; /* for track lost packets */
- u32 sample; /* for sample rate calc */
- unsigned long jiffies_next;
- unsigned int sample_ctrl_bit[4];
-};
-
-/* Private functions */
-static struct msi3101_frame_buf *msi3101_get_next_fill_buf(
- struct msi3101_state *s)
-{
- unsigned long flags = 0;
- struct msi3101_frame_buf *buf = NULL;
-
- spin_lock_irqsave(&s->queued_bufs_lock, flags);
- if (list_empty(&s->queued_bufs))
- goto leave;
-
- buf = list_entry(s->queued_bufs.next, struct msi3101_frame_buf, list);
- list_del(&buf->list);
-leave:
- spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
- return buf;
-}
-
-/*
- * +===========================================================================
- * | 00-1023 | USB packet type '504'
- * +===========================================================================
- * | 00- 03 | sequence number of first sample in that USB packet
- * +---------------------------------------------------------------------------
- * | 04- 15 | garbage
- * +---------------------------------------------------------------------------
- * | 16-1023 | samples
- * +---------------------------------------------------------------------------
- * signed 8-bit sample
- * 504 * 2 = 1008 samples
- */
-static int msi3101_convert_stream_504(struct msi3101_state *s, u8 *dst,
- u8 *src, unsigned int src_len)
-{
- int i, i_max, dst_len = 0;
- u32 sample_num[3];
-
- /* There could be 1-3 1024 bytes URB frames */
- i_max = src_len / 1024;
-
- for (i = 0; i < i_max; i++) {
- sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
- if (i == 0 && s->next_sample != sample_num[0]) {
- dev_dbg_ratelimited(&s->udev->dev,
- "%d samples lost, %d %08x:%08x\n",
- sample_num[0] - s->next_sample,
- src_len, s->next_sample, sample_num[0]);
- }
-
- /*
- * Dump all unknown 'garbage' data - maybe we will discover
- * someday if there is something rational...
- */
- dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
-
- /* 504 x I+Q samples */
- src += 16;
- memcpy(dst, src, 1008);
- src += 1008;
- dst += 1008;
- dst_len += 1008;
- }
-
- /* calculate samping rate and output it in 10 seconds intervals */
- if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
- unsigned long jiffies_now = jiffies;
- unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
- unsigned int samples = sample_num[i_max - 1] - s->sample;
- s->jiffies_next = jiffies_now;
- s->sample = sample_num[i_max - 1];
- dev_dbg(&s->udev->dev,
- "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
- src_len, samples, msecs,
- samples * 1000UL / msecs);
- }
-
- /* next sample (sample = sample + i * 504) */
- s->next_sample = sample_num[i_max - 1] + 504;
-
- return dst_len;
-}
-
-static int msi3101_convert_stream_504_u8(struct msi3101_state *s, u8 *dst,
- u8 *src, unsigned int src_len)
-{
- int i, j, i_max, dst_len = 0;
- u32 sample_num[3];
- s8 *s8src;
- u8 *u8dst;
-
- /* There could be 1-3 1024 bytes URB frames */
- i_max = src_len / 1024;
- u8dst = (u8 *) dst;
-
- for (i = 0; i < i_max; i++) {
- sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
- if (i == 0 && s->next_sample != sample_num[0]) {
- dev_dbg_ratelimited(&s->udev->dev,
- "%d samples lost, %d %08x:%08x\n",
- sample_num[0] - s->next_sample,
- src_len, s->next_sample, sample_num[0]);
- }
-
- /*
- * Dump all unknown 'garbage' data - maybe we will discover
- * someday if there is something rational...
- */
- dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
-
- /* 504 x I+Q samples */
- src += 16;
-
- s8src = (s8 *) src;
- for (j = 0; j < 1008; j++)
- *u8dst++ = *s8src++ + 128;
-
- src += 1008;
- dst += 1008;
- dst_len += 1008;
- }
-
- /* calculate samping rate and output it in 10 seconds intervals */
- if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
-#define MSECS 10000UL
- unsigned int samples = sample_num[i_max - 1] - s->sample;
- s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
- s->sample = sample_num[i_max - 1];
- dev_dbg(&s->udev->dev,
- "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
- src_len, samples, MSECS,
- samples * 1000UL / MSECS);
- }
-
- /* next sample (sample = sample + i * 504) */
- s->next_sample = sample_num[i_max - 1] + 504;
-
- return dst_len;
-}
-
-/*
- * +===========================================================================
- * | 00-1023 | USB packet type '384'
- * +===========================================================================
- * | 00- 03 | sequence number of first sample in that USB packet
- * +---------------------------------------------------------------------------
- * | 04- 15 | garbage
- * +---------------------------------------------------------------------------
- * | 16- 175 | samples
- * +---------------------------------------------------------------------------
- * | 176- 179 | control bits for previous samples
- * +---------------------------------------------------------------------------
- * | 180- 339 | samples
- * +---------------------------------------------------------------------------
- * | 340- 343 | control bits for previous samples
- * +---------------------------------------------------------------------------
- * | 344- 503 | samples
- * +---------------------------------------------------------------------------
- * | 504- 507 | control bits for previous samples
- * +---------------------------------------------------------------------------
- * | 508- 667 | samples
- * +---------------------------------------------------------------------------
- * | 668- 671 | control bits for previous samples
- * +---------------------------------------------------------------------------
- * | 672- 831 | samples
- * +---------------------------------------------------------------------------
- * | 832- 835 | control bits for previous samples
- * +---------------------------------------------------------------------------
- * | 836- 995 | samples
- * +---------------------------------------------------------------------------
- * | 996- 999 | control bits for previous samples
- * +---------------------------------------------------------------------------
- * | 1000-1023 | garbage
- * +---------------------------------------------------------------------------
- *
- * Bytes 4 - 7 could have some meaning?
- *
- * Control bits for previous samples is 32-bit field, containing 16 x 2-bit
- * numbers. This results one 2-bit number for 8 samples. It is likely used for
- * for bit shifting sample by given bits, increasing actual sampling resolution.
- * Number 2 (0b10) was never seen.
- *
- * 6 * 16 * 2 * 4 = 768 samples. 768 * 4 = 3072 bytes
- */
-static int msi3101_convert_stream_384(struct msi3101_state *s, u8 *dst,
- u8 *src, unsigned int src_len)
-{
- int i, i_max, dst_len = 0;
- u32 sample_num[3];
-
- /* There could be 1-3 1024 bytes URB frames */
- i_max = src_len / 1024;
- for (i = 0; i < i_max; i++) {
- sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
- if (i == 0 && s->next_sample != sample_num[0]) {
- dev_dbg_ratelimited(&s->udev->dev,
- "%d samples lost, %d %08x:%08x\n",
- sample_num[0] - s->next_sample,
- src_len, s->next_sample, sample_num[0]);
- }
-
- /*
- * Dump all unknown 'garbage' data - maybe we will discover
- * someday if there is something rational...
- */
- dev_dbg_ratelimited(&s->udev->dev,
- "%*ph %*ph\n", 12, &src[4], 24, &src[1000]);
-
- /* 384 x I+Q samples */
- src += 16;
- memcpy(dst, src, 984);
- src += 984 + 24;
- dst += 984;
- dst_len += 984;
- }
-
- /* calculate samping rate and output it in 10 seconds intervals */
- if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
- unsigned long jiffies_now = jiffies;
- unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
- unsigned int samples = sample_num[i_max - 1] - s->sample;
- s->jiffies_next = jiffies_now;
- s->sample = sample_num[i_max - 1];
- dev_dbg(&s->udev->dev,
- "slen=%d samples=%u msecs=%lu sampling rate=%lu bits=%d.%d.%d.%d\n",
- src_len, samples, msecs,
- samples * 1000UL / msecs,
- s->sample_ctrl_bit[0], s->sample_ctrl_bit[1],
- s->sample_ctrl_bit[2], s->sample_ctrl_bit[3]);
- }
-
- /* next sample (sample = sample + i * 384) */
- s->next_sample = sample_num[i_max - 1] + 384;
-
- return dst_len;
-}
-
-/*
- * +===========================================================================
- * | 00-1023 | USB packet type '336'
- * +===========================================================================
- * | 00- 03 | sequence number of first sample in that USB packet
- * +---------------------------------------------------------------------------
- * | 04- 15 | garbage
- * +---------------------------------------------------------------------------
- * | 16-1023 | samples
- * +---------------------------------------------------------------------------
- * signed 12-bit sample
- */
-static int msi3101_convert_stream_336(struct msi3101_state *s, u8 *dst,
- u8 *src, unsigned int src_len)
-{
- int i, i_max, dst_len = 0;
- u32 sample_num[3];
-
- /* There could be 1-3 1024 bytes URB frames */
- i_max = src_len / 1024;
-
- for (i = 0; i < i_max; i++) {
- sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
- if (i == 0 && s->next_sample != sample_num[0]) {
- dev_dbg_ratelimited(&s->udev->dev,
- "%d samples lost, %d %08x:%08x\n",
- sample_num[0] - s->next_sample,
- src_len, s->next_sample, sample_num[0]);
- }
-
- /*
- * Dump all unknown 'garbage' data - maybe we will discover
- * someday if there is something rational...
- */
- dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
-
- /* 336 x I+Q samples */
- src += 16;
- memcpy(dst, src, 1008);
- src += 1008;
- dst += 1008;
- dst_len += 1008;
- }
-
- /* calculate samping rate and output it in 10 seconds intervals */
- if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
- unsigned long jiffies_now = jiffies;
- unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
- unsigned int samples = sample_num[i_max - 1] - s->sample;
- s->jiffies_next = jiffies_now;
- s->sample = sample_num[i_max - 1];
- dev_dbg(&s->udev->dev,
- "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
- src_len, samples, msecs,
- samples * 1000UL / msecs);
- }
-
- /* next sample (sample = sample + i * 336) */
- s->next_sample = sample_num[i_max - 1] + 336;
-
- return dst_len;
-}
-
-/*
- * +===========================================================================
- * | 00-1023 | USB packet type '252'
- * +===========================================================================
- * | 00- 03 | sequence number of first sample in that USB packet
- * +---------------------------------------------------------------------------
- * | 04- 15 | garbage
- * +---------------------------------------------------------------------------
- * | 16-1023 | samples
- * +---------------------------------------------------------------------------
- * signed 14-bit sample
- */
-static int msi3101_convert_stream_252(struct msi3101_state *s, u8 *dst,
- u8 *src, unsigned int src_len)
-{
- int i, i_max, dst_len = 0;
- u32 sample_num[3];
-
- /* There could be 1-3 1024 bytes URB frames */
- i_max = src_len / 1024;
-
- for (i = 0; i < i_max; i++) {
- sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
- if (i == 0 && s->next_sample != sample_num[0]) {
- dev_dbg_ratelimited(&s->udev->dev,
- "%d samples lost, %d %08x:%08x\n",
- sample_num[0] - s->next_sample,
- src_len, s->next_sample, sample_num[0]);
- }
-
- /*
- * Dump all unknown 'garbage' data - maybe we will discover
- * someday if there is something rational...
- */
- dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
-
- /* 252 x I+Q samples */
- src += 16;
- memcpy(dst, src, 1008);
- src += 1008;
- dst += 1008;
- dst_len += 1008;
- }
-
- /* calculate samping rate and output it in 10 seconds intervals */
- if ((s->jiffies_next + msecs_to_jiffies(10000)) <= jiffies) {
- unsigned long jiffies_now = jiffies;
- unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies_next);
- unsigned int samples = sample_num[i_max - 1] - s->sample;
- s->jiffies_next = jiffies_now;
- s->sample = sample_num[i_max - 1];
- dev_dbg(&s->udev->dev,
- "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
- src_len, samples, msecs,
- samples * 1000UL / msecs);
- }
-
- /* next sample (sample = sample + i * 252) */
- s->next_sample = sample_num[i_max - 1] + 252;
-
- return dst_len;
-}
-
-static int msi3101_convert_stream_252_u16(struct msi3101_state *s, u8 *dst,
- u8 *src, unsigned int src_len)
-{
- int i, j, i_max, dst_len = 0;
- u32 sample_num[3];
- u16 *u16dst = (u16 *) dst;
- struct {signed int x:14;} se;
-
- /* There could be 1-3 1024 bytes URB frames */
- i_max = src_len / 1024;
-
- for (i = 0; i < i_max; i++) {
- sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
- if (i == 0 && s->next_sample != sample_num[0]) {
- dev_dbg_ratelimited(&s->udev->dev,
- "%d samples lost, %d %08x:%08x\n",
- sample_num[0] - s->next_sample,
- src_len, s->next_sample, sample_num[0]);
- }
-
- /*
- * Dump all unknown 'garbage' data - maybe we will discover
- * someday if there is something rational...
- */
- dev_dbg_ratelimited(&s->udev->dev, "%*ph\n", 12, &src[4]);
-
- /* 252 x I+Q samples */
- src += 16;
-
- for (j = 0; j < 1008; j += 4) {
- unsigned int usample[2];
- int ssample[2];
-
- usample[0] = src[j + 0] >> 0 | src[j + 1] << 8;
- usample[1] = src[j + 2] >> 0 | src[j + 3] << 8;
-
- /* sign extension from 14-bit to signed int */
- ssample[0] = se.x = usample[0];
- ssample[1] = se.x = usample[1];
-
- /* from signed to unsigned */
- usample[0] = ssample[0] + 8192;
- usample[1] = ssample[1] + 8192;
-
- /* from 14-bit to 16-bit */
- *u16dst++ = (usample[0] << 2) | (usample[0] >> 12);
- *u16dst++ = (usample[1] << 2) | (usample[1] >> 12);
- }
-
- src += 1008;
- dst += 1008;
- dst_len += 1008;
- }
-
- /* calculate samping rate and output it in 10 seconds intervals */
- if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
-#define MSECS 10000UL
- unsigned int samples = sample_num[i_max - 1] - s->sample;
- s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
- s->sample = sample_num[i_max - 1];
- dev_dbg(&s->udev->dev,
- "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
- src_len, samples, MSECS,
- samples * 1000UL / MSECS);
- }
-
- /* next sample (sample = sample + i * 252) */
- s->next_sample = sample_num[i_max - 1] + 252;
-
- return dst_len;
-}
-
-/*
- * This gets called for the Isochronous pipe (stream). This is done in interrupt
- * time, so it has to be fast, not crash, and not stall. Neat.
- */
-static void msi3101_isoc_handler(struct urb *urb)
-{
- struct msi3101_state *s = (struct msi3101_state *)urb->context;
- int i, flen, fstatus;
- unsigned char *iso_buf = NULL;
- struct msi3101_frame_buf *fbuf;
-
- if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET ||
- urb->status == -ESHUTDOWN)) {
- dev_dbg(&s->udev->dev, "URB (%p) unlinked %ssynchronuously\n",
- urb, urb->status == -ENOENT ? "" : "a");
- return;
- }
-
- if (unlikely(urb->status != 0)) {
- dev_dbg(&s->udev->dev,
- "msi3101_isoc_handler() called with status %d\n",
- urb->status);
- /* Give up after a number of contiguous errors */
- if (++s->isoc_errors > MAX_ISOC_ERRORS)
- dev_dbg(&s->udev->dev,
- "Too many ISOC errors, bailing out\n");
- goto handler_end;
- } else {
- /* Reset ISOC error counter. We did get here, after all. */
- s->isoc_errors = 0;
- }
-
- /* Compact data */
- for (i = 0; i < urb->number_of_packets; i++) {
- void *ptr;
-
- /* Check frame error */
- fstatus = urb->iso_frame_desc[i].status;
- if (unlikely(fstatus)) {
- dev_dbg_ratelimited(&s->udev->dev,
- "frame=%d/%d has error %d skipping\n",
- i, urb->number_of_packets, fstatus);
- continue;
- }
-
- /* Check if that frame contains data */
- flen = urb->iso_frame_desc[i].actual_length;
- if (unlikely(flen == 0))
- continue;
-
- iso_buf = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
-
- /* Get free framebuffer */
- fbuf = msi3101_get_next_fill_buf(s);
- if (unlikely(fbuf == NULL)) {
- s->vb_full++;
- dev_dbg_ratelimited(&s->udev->dev,
- "videobuf is full, %d packets dropped\n",
- s->vb_full);
- continue;
- }
-
- /* fill framebuffer */
- ptr = vb2_plane_vaddr(&fbuf->vb, 0);
- flen = s->convert_stream(s, ptr, iso_buf, flen);
- vb2_set_plane_payload(&fbuf->vb, 0, flen);
- vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
- }
-
-handler_end:
- i = usb_submit_urb(urb, GFP_ATOMIC);
- if (unlikely(i != 0))
- dev_dbg(&s->udev->dev,
- "Error (%d) re-submitting urb in msi3101_isoc_handler\n",
- i);
-}
-
-static void msi3101_iso_stop(struct msi3101_state *s)
-{
- int i;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- /* Unlinking ISOC buffers one by one */
- for (i = 0; i < MAX_ISO_BUFS; i++) {
- if (s->urbs[i]) {
- dev_dbg(&s->udev->dev, "Unlinking URB %p\n",
- s->urbs[i]);
- usb_kill_urb(s->urbs[i]);
- }
- }
-}
-
-static void msi3101_iso_free(struct msi3101_state *s)
-{
- int i;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- /* Freeing ISOC buffers one by one */
- for (i = 0; i < MAX_ISO_BUFS; i++) {
- if (s->urbs[i]) {
- dev_dbg(&s->udev->dev, "Freeing URB\n");
- if (s->urbs[i]->transfer_buffer) {
- usb_free_coherent(s->udev,
- s->urbs[i]->transfer_buffer_length,
- s->urbs[i]->transfer_buffer,
- s->urbs[i]->transfer_dma);
- }
- usb_free_urb(s->urbs[i]);
- s->urbs[i] = NULL;
- }
- }
-}
-
-/* Both v4l2_lock and vb_queue_lock should be locked when calling this */
-static void msi3101_isoc_cleanup(struct msi3101_state *s)
-{
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- msi3101_iso_stop(s);
- msi3101_iso_free(s);
-}
-
-/* Both v4l2_lock and vb_queue_lock should be locked when calling this */
-static int msi3101_isoc_init(struct msi3101_state *s)
-{
- struct usb_device *udev;
- struct urb *urb;
- int i, j, ret;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- s->isoc_errors = 0;
- udev = s->udev;
-
- ret = usb_set_interface(s->udev, 0, 1);
- if (ret)
- return ret;
-
- /* Allocate and init Isochronuous urbs */
- for (i = 0; i < MAX_ISO_BUFS; i++) {
- urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL);
- if (urb == NULL) {
- dev_err(&s->udev->dev,
- "Failed to allocate urb %d\n", i);
- msi3101_isoc_cleanup(s);
- return -ENOMEM;
- }
- s->urbs[i] = urb;
- dev_dbg(&s->udev->dev, "Allocated URB at 0x%p\n", urb);
-
- urb->interval = 1;
- urb->dev = udev;
- urb->pipe = usb_rcvisocpipe(udev, 0x81);
- urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
- urb->transfer_buffer = usb_alloc_coherent(udev, ISO_BUFFER_SIZE,
- GFP_KERNEL, &urb->transfer_dma);
- if (urb->transfer_buffer == NULL) {
- dev_err(&s->udev->dev,
- "Failed to allocate urb buffer %d\n",
- i);
- msi3101_isoc_cleanup(s);
- return -ENOMEM;
- }
- urb->transfer_buffer_length = ISO_BUFFER_SIZE;
- urb->complete = msi3101_isoc_handler;
- urb->context = s;
- urb->start_frame = 0;
- urb->number_of_packets = ISO_FRAMES_PER_DESC;
- for (j = 0; j < ISO_FRAMES_PER_DESC; j++) {
- urb->iso_frame_desc[j].offset = j * ISO_MAX_FRAME_SIZE;
- urb->iso_frame_desc[j].length = ISO_MAX_FRAME_SIZE;
- }
- }
-
- /* link */
- for (i = 0; i < MAX_ISO_BUFS; i++) {
- ret = usb_submit_urb(s->urbs[i], GFP_KERNEL);
- if (ret) {
- dev_err(&s->udev->dev,
- "isoc_init() submit_urb %d failed with error %d\n",
- i, ret);
- msi3101_isoc_cleanup(s);
- return ret;
- }
- dev_dbg(&s->udev->dev, "URB 0x%p submitted.\n", s->urbs[i]);
- }
-
- /* All is done... */
- return 0;
-}
-
-/* Must be called with vb_queue_lock hold */
-static void msi3101_cleanup_queued_bufs(struct msi3101_state *s)
-{
- unsigned long flags = 0;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- spin_lock_irqsave(&s->queued_bufs_lock, flags);
- while (!list_empty(&s->queued_bufs)) {
- struct msi3101_frame_buf *buf;
-
- buf = list_entry(s->queued_bufs.next, struct msi3101_frame_buf,
- list);
- list_del(&buf->list);
- vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
- }
- spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
-}
-
-/* The user yanked out the cable... */
-static void msi3101_disconnect(struct usb_interface *intf)
-{
- struct v4l2_device *v = usb_get_intfdata(intf);
- struct msi3101_state *s =
- container_of(v, struct msi3101_state, v4l2_dev);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- mutex_lock(&s->vb_queue_lock);
- mutex_lock(&s->v4l2_lock);
- /* No need to keep the urbs around after disconnection */
- s->udev = NULL;
- v4l2_device_disconnect(&s->v4l2_dev);
- video_unregister_device(&s->vdev);
- spi_unregister_master(s->master);
- mutex_unlock(&s->v4l2_lock);
- mutex_unlock(&s->vb_queue_lock);
-
- v4l2_device_put(&s->v4l2_dev);
-}
-
-static int msi3101_querycap(struct file *file, void *fh,
- struct v4l2_capability *cap)
-{
- struct msi3101_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
- strlcpy(cap->card, s->vdev.name, sizeof(cap->card));
- usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info));
- cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING |
- V4L2_CAP_READWRITE | V4L2_CAP_TUNER;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
- return 0;
-}
-
-/* Videobuf2 operations */
-static int msi3101_queue_setup(struct vb2_queue *vq,
- const struct v4l2_format *fmt, unsigned int *nbuffers,
- unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
-{
- struct msi3101_state *s = vb2_get_drv_priv(vq);
- dev_dbg(&s->udev->dev, "%s: *nbuffers=%d\n", __func__, *nbuffers);
-
- /* Absolute min and max number of buffers available for mmap() */
- *nbuffers = clamp_t(unsigned int, *nbuffers, 8, 32);
- *nplanes = 1;
- /*
- * 3, wMaxPacketSize 3x 1024 bytes
- * 504, max IQ sample pairs per 1024 frame
- * 2, two samples, I and Q
- * 2, 16-bit is enough for single sample
- */
- sizes[0] = PAGE_ALIGN(3 * 504 * 2 * 2);
- dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n",
- __func__, *nbuffers, sizes[0]);
- return 0;
-}
-
-static void msi3101_buf_queue(struct vb2_buffer *vb)
-{
- struct msi3101_state *s = vb2_get_drv_priv(vb->vb2_queue);
- struct msi3101_frame_buf *buf =
- container_of(vb, struct msi3101_frame_buf, vb);
- unsigned long flags = 0;
-
- /* Check the device has not disconnected between prep and queuing */
- if (unlikely(!s->udev)) {
- vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
- return;
- }
-
- spin_lock_irqsave(&s->queued_bufs_lock, flags);
- list_add_tail(&buf->list, &s->queued_bufs);
- spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
-}
-
-#define CMD_WREG 0x41
-#define CMD_START_STREAMING 0x43
-#define CMD_STOP_STREAMING 0x45
-#define CMD_READ_UNKNOW 0x48
-
-#define msi3101_dbg_usb_control_msg(udev, r, t, v, _i, b, l) { \
- char *direction; \
- if (t == (USB_TYPE_VENDOR | USB_DIR_OUT)) \
- direction = ">>>"; \
- else \
- direction = "<<<"; \
- dev_dbg(&udev->dev, "%s: %02x %02x %02x %02x %02x %02x %02x %02x " \
- "%s %*ph\n", __func__, t, r, v & 0xff, v >> 8, \
- _i & 0xff, _i >> 8, l & 0xff, l >> 8, direction, l, b); \
-}
-
-static int msi3101_ctrl_msg(struct msi3101_state *s, u8 cmd, u32 data)
-{
- int ret;
- u8 request = cmd;
- u8 requesttype = USB_DIR_OUT | USB_TYPE_VENDOR;
- u16 value = (data >> 0) & 0xffff;
- u16 index = (data >> 16) & 0xffff;
-
- msi3101_dbg_usb_control_msg(s->udev,
- request, requesttype, value, index, NULL, 0);
-
- ret = usb_control_msg(s->udev, usb_sndctrlpipe(s->udev, 0),
- request, requesttype, value, index, NULL, 0, 2000);
-
- if (ret)
- dev_err(&s->udev->dev, "%s: failed %d, cmd %02x, data %04x\n",
- __func__, ret, cmd, data);
-
- return ret;
-};
-
-#define F_REF 24000000
-#define DIV_R_IN 2
-static int msi3101_set_usb_adc(struct msi3101_state *s)
-{
- int ret, div_n, div_m, div_r_out, f_sr, f_vco, fract;
- u32 reg3, reg4, reg7;
- struct v4l2_ctrl *bandwidth_auto;
- struct v4l2_ctrl *bandwidth;
-
- f_sr = s->f_adc;
-
- /* set tuner, subdev, filters according to sampling rate */
- bandwidth_auto = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO);
- if (v4l2_ctrl_g_ctrl(bandwidth_auto)) {
- bandwidth = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH);
- v4l2_ctrl_s_ctrl(bandwidth, s->f_adc);
- }
-
- /* select stream format */
- switch (s->pixelformat) {
- case V4L2_SDR_FMT_CU8:
- s->convert_stream = msi3101_convert_stream_504_u8;
- reg7 = 0x000c9407;
- break;
- case V4L2_SDR_FMT_CU16LE:
- s->convert_stream = msi3101_convert_stream_252_u16;
- reg7 = 0x00009407;
- break;
- case V4L2_PIX_FMT_SDR_S8:
- s->convert_stream = msi3101_convert_stream_504;
- reg7 = 0x000c9407;
- break;
- case V4L2_PIX_FMT_SDR_MSI2500_384:
- s->convert_stream = msi3101_convert_stream_384;
- reg7 = 0x0000a507;
- break;
- case V4L2_PIX_FMT_SDR_S12:
- s->convert_stream = msi3101_convert_stream_336;
- reg7 = 0x00008507;
- break;
- case V4L2_PIX_FMT_SDR_S14:
- s->convert_stream = msi3101_convert_stream_252;
- reg7 = 0x00009407;
- break;
- default:
- s->convert_stream = msi3101_convert_stream_504_u8;
- reg7 = 0x000c9407;
- break;
- }
-
- /*
- * Synthesizer config is just a educated guess...
- *
- * [7:0] 0x03, register address
- * [8] 1, power control
- * [9] ?, power control
- * [12:10] output divider
- * [13] 0 ?
- * [14] 0 ?
- * [15] fractional MSB, bit 20
- * [16:19] N
- * [23:20] ?
- * [24:31] 0x01
- *
- * output divider
- * val div
- * 0 - (invalid)
- * 1 4
- * 2 6
- * 3 8
- * 4 10
- * 5 12
- * 6 14
- * 7 16
- *
- * VCO 202000000 - 720000000++
- */
- reg3 = 0x01000303;
- reg4 = 0x00000004;
-
- /* XXX: Filters? AGC? */
- if (f_sr < 6000000)
- reg3 |= 0x1 << 20;
- else if (f_sr < 7000000)
- reg3 |= 0x5 << 20;
- else if (f_sr < 8500000)
- reg3 |= 0x9 << 20;
- else
- reg3 |= 0xd << 20;
-
- for (div_r_out = 4; div_r_out < 16; div_r_out += 2) {
- f_vco = f_sr * div_r_out * 12;
- dev_dbg(&s->udev->dev, "%s: div_r_out=%d f_vco=%d\n",
- __func__, div_r_out, f_vco);
- if (f_vco >= 202000000)
- break;
- }
-
- div_n = f_vco / (F_REF * DIV_R_IN);
- div_m = f_vco % (F_REF * DIV_R_IN);
- fract = 0x200000ul * div_m / (F_REF * DIV_R_IN);
-
- reg3 |= div_n << 16;
- reg3 |= (div_r_out / 2 - 1) << 10;
- reg3 |= ((fract >> 20) & 0x000001) << 15; /* [20] */
- reg4 |= ((fract >> 0) & 0x0fffff) << 8; /* [19:0] */
-
- dev_dbg(&s->udev->dev,
- "%s: f_sr=%d f_vco=%d div_n=%d div_m=%d div_r_out=%d reg3=%08x reg4=%08x\n",
- __func__, f_sr, f_vco, div_n, div_m, div_r_out, reg3, reg4);
-
- ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00608008);
- if (ret)
- goto err;
-
- ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00000c05);
- if (ret)
- goto err;
-
- ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00020000);
- if (ret)
- goto err;
-
- ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00480102);
- if (ret)
- goto err;
-
- ret = msi3101_ctrl_msg(s, CMD_WREG, 0x00f38008);
- if (ret)
- goto err;
-
- ret = msi3101_ctrl_msg(s, CMD_WREG, reg7);
- if (ret)
- goto err;
-
- ret = msi3101_ctrl_msg(s, CMD_WREG, reg4);
- if (ret)
- goto err;
-
- ret = msi3101_ctrl_msg(s, CMD_WREG, reg3);
- if (ret)
- goto err;
-err:
- return ret;
-};
-
-static int msi3101_start_streaming(struct vb2_queue *vq, unsigned int count)
-{
- struct msi3101_state *s = vb2_get_drv_priv(vq);
- int ret;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- if (!s->udev)
- return -ENODEV;
-
- if (mutex_lock_interruptible(&s->v4l2_lock))
- return -ERESTARTSYS;
-
- /* wake-up tuner */
- v4l2_subdev_call(s->v4l2_subdev, core, s_power, 1);
-
- ret = msi3101_set_usb_adc(s);
-
- ret = msi3101_isoc_init(s);
- if (ret)
- msi3101_cleanup_queued_bufs(s);
-
- ret = msi3101_ctrl_msg(s, CMD_START_STREAMING, 0);
-
- mutex_unlock(&s->v4l2_lock);
-
- return ret;
-}
-
-static void msi3101_stop_streaming(struct vb2_queue *vq)
-{
- struct msi3101_state *s = vb2_get_drv_priv(vq);
-
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- mutex_lock(&s->v4l2_lock);
-
- if (s->udev)
- msi3101_isoc_cleanup(s);
-
- msi3101_cleanup_queued_bufs(s);
-
- /* according to tests, at least 700us delay is required */
- msleep(20);
- if (!msi3101_ctrl_msg(s, CMD_STOP_STREAMING, 0)) {
- /* sleep USB IF / ADC */
- msi3101_ctrl_msg(s, CMD_WREG, 0x01000003);
- }
-
- /* sleep tuner */
- v4l2_subdev_call(s->v4l2_subdev, core, s_power, 0);
-
- mutex_unlock(&s->v4l2_lock);
-}
-
-static struct vb2_ops msi3101_vb2_ops = {
- .queue_setup = msi3101_queue_setup,
- .buf_queue = msi3101_buf_queue,
- .start_streaming = msi3101_start_streaming,
- .stop_streaming = msi3101_stop_streaming,
- .wait_prepare = vb2_ops_wait_prepare,
- .wait_finish = vb2_ops_wait_finish,
-};
-
-static int msi3101_enum_fmt_sdr_cap(struct file *file, void *priv,
- struct v4l2_fmtdesc *f)
-{
- struct msi3101_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, f->index);
-
- if (f->index >= NUM_FORMATS)
- return -EINVAL;
-
- strlcpy(f->description, formats[f->index].name, sizeof(f->description));
- f->pixelformat = formats[f->index].pixelformat;
-
- return 0;
-}
-
-static int msi3101_g_fmt_sdr_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct msi3101_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
- (char *)&s->pixelformat);
-
- memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- f->fmt.sdr.pixelformat = s->pixelformat;
-
- return 0;
-}
-
-static int msi3101_s_fmt_sdr_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct msi3101_state *s = video_drvdata(file);
- struct vb2_queue *q = &s->vb_queue;
- int i;
- dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
- (char *)&f->fmt.sdr.pixelformat);
-
- if (vb2_is_busy(q))
- return -EBUSY;
-
- memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
- if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
- s->pixelformat = f->fmt.sdr.pixelformat;
- return 0;
- }
- }
-
- f->fmt.sdr.pixelformat = formats[0].pixelformat;
- s->pixelformat = formats[0].pixelformat;
-
- return 0;
-}
-
-static int msi3101_try_fmt_sdr_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct msi3101_state *s = video_drvdata(file);
- int i;
- dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
- (char *)&f->fmt.sdr.pixelformat);
-
- memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
- if (formats[i].pixelformat == f->fmt.sdr.pixelformat)
- return 0;
- }
-
- f->fmt.sdr.pixelformat = formats[0].pixelformat;
-
- return 0;
-}
-
-static int msi3101_s_tuner(struct file *file, void *priv,
- const struct v4l2_tuner *v)
-{
- struct msi3101_state *s = video_drvdata(file);
- int ret;
- dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, v->index);
-
- if (v->index == 0)
- ret = 0;
- else if (v->index == 1)
- ret = v4l2_subdev_call(s->v4l2_subdev, tuner, s_tuner, v);
- else
- ret = -EINVAL;
-
- return ret;
-}
-
-static int msi3101_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v)
-{
- struct msi3101_state *s = video_drvdata(file);
- int ret;
- dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, v->index);
-
- if (v->index == 0) {
- strlcpy(v->name, "Mirics MSi2500", sizeof(v->name));
- v->type = V4L2_TUNER_ADC;
- v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
- v->rangelow = 1200000;
- v->rangehigh = 15000000;
- ret = 0;
- } else if (v->index == 1) {
- ret = v4l2_subdev_call(s->v4l2_subdev, tuner, g_tuner, v);
- } else {
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int msi3101_g_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
-{
- struct msi3101_state *s = video_drvdata(file);
- int ret = 0;
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d\n",
- __func__, f->tuner, f->type);
-
- if (f->tuner == 0) {
- f->frequency = s->f_adc;
- ret = 0;
- } else if (f->tuner == 1) {
- f->type = V4L2_TUNER_RF;
- ret = v4l2_subdev_call(s->v4l2_subdev, tuner, g_frequency, f);
- } else {
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int msi3101_s_frequency(struct file *file, void *priv,
- const struct v4l2_frequency *f)
-{
- struct msi3101_state *s = video_drvdata(file);
- int ret;
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d frequency=%u\n",
- __func__, f->tuner, f->type, f->frequency);
-
- if (f->tuner == 0) {
- s->f_adc = clamp_t(unsigned int, f->frequency,
- bands[0].rangelow,
- bands[0].rangehigh);
- dev_dbg(&s->udev->dev, "%s: ADC frequency=%u Hz\n",
- __func__, s->f_adc);
- ret = msi3101_set_usb_adc(s);
- } else if (f->tuner == 1) {
- ret = v4l2_subdev_call(s->v4l2_subdev, tuner, s_frequency, f);
- } else {
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int msi3101_enum_freq_bands(struct file *file, void *priv,
- struct v4l2_frequency_band *band)
-{
- struct msi3101_state *s = video_drvdata(file);
- int ret;
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d index=%d\n",
- __func__, band->tuner, band->type, band->index);
-
- if (band->tuner == 0) {
- if (band->index >= ARRAY_SIZE(bands)) {
- ret = -EINVAL;
- } else {
- *band = bands[band->index];
- ret = 0;
- }
- } else if (band->tuner == 1) {
- ret = v4l2_subdev_call(s->v4l2_subdev, tuner,
- enum_freq_bands, band);
- } else {
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static const struct v4l2_ioctl_ops msi3101_ioctl_ops = {
- .vidioc_querycap = msi3101_querycap,
-
- .vidioc_enum_fmt_sdr_cap = msi3101_enum_fmt_sdr_cap,
- .vidioc_g_fmt_sdr_cap = msi3101_g_fmt_sdr_cap,
- .vidioc_s_fmt_sdr_cap = msi3101_s_fmt_sdr_cap,
- .vidioc_try_fmt_sdr_cap = msi3101_try_fmt_sdr_cap,
-
- .vidioc_reqbufs = vb2_ioctl_reqbufs,
- .vidioc_create_bufs = vb2_ioctl_create_bufs,
- .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
- .vidioc_querybuf = vb2_ioctl_querybuf,
- .vidioc_qbuf = vb2_ioctl_qbuf,
- .vidioc_dqbuf = vb2_ioctl_dqbuf,
-
- .vidioc_streamon = vb2_ioctl_streamon,
- .vidioc_streamoff = vb2_ioctl_streamoff,
-
- .vidioc_g_tuner = msi3101_g_tuner,
- .vidioc_s_tuner = msi3101_s_tuner,
-
- .vidioc_g_frequency = msi3101_g_frequency,
- .vidioc_s_frequency = msi3101_s_frequency,
- .vidioc_enum_freq_bands = msi3101_enum_freq_bands,
-
- .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
- .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
- .vidioc_log_status = v4l2_ctrl_log_status,
-};
-
-static const struct v4l2_file_operations msi3101_fops = {
- .owner = THIS_MODULE,
- .open = v4l2_fh_open,
- .release = vb2_fop_release,
- .read = vb2_fop_read,
- .poll = vb2_fop_poll,
- .mmap = vb2_fop_mmap,
- .unlocked_ioctl = video_ioctl2,
-};
-
-static struct video_device msi3101_template = {
- .name = "Mirics MSi3101 SDR Dongle",
- .release = video_device_release_empty,
- .fops = &msi3101_fops,
- .ioctl_ops = &msi3101_ioctl_ops,
-};
-
-static void msi3101_video_release(struct v4l2_device *v)
-{
- struct msi3101_state *s =
- container_of(v, struct msi3101_state, v4l2_dev);
-
- v4l2_ctrl_handler_free(&s->hdl);
- v4l2_device_unregister(&s->v4l2_dev);
- kfree(s);
-}
-
-static int msi3101_transfer_one_message(struct spi_master *master,
- struct spi_message *m)
-{
- struct msi3101_state *s = spi_master_get_devdata(master);
- struct spi_transfer *t;
- int ret = 0;
- u32 data;
-
- list_for_each_entry(t, &m->transfers, transfer_list) {
- dev_dbg(&s->udev->dev, "%s: msg=%*ph\n",
- __func__, t->len, t->tx_buf);
- data = 0x09; /* reg 9 is SPI adapter */
- data |= ((u8 *)t->tx_buf)[0] << 8;
- data |= ((u8 *)t->tx_buf)[1] << 16;
- data |= ((u8 *)t->tx_buf)[2] << 24;
- ret = msi3101_ctrl_msg(s, CMD_WREG, data);
- }
-
- m->status = ret;
- spi_finalize_current_message(master);
- return ret;
-}
-
-static int msi3101_probe(struct usb_interface *intf,
- const struct usb_device_id *id)
-{
- struct usb_device *udev = interface_to_usbdev(intf);
- struct msi3101_state *s = NULL;
- struct v4l2_subdev *sd;
- struct spi_master *master;
- int ret;
- static struct spi_board_info board_info = {
- .modalias = "msi001",
- .bus_num = 0,
- .chip_select = 0,
- .max_speed_hz = 12000000,
- };
-
- s = kzalloc(sizeof(struct msi3101_state), GFP_KERNEL);
- if (s == NULL) {
- pr_err("Could not allocate memory for msi3101_state\n");
- return -ENOMEM;
- }
-
- mutex_init(&s->v4l2_lock);
- mutex_init(&s->vb_queue_lock);
- spin_lock_init(&s->queued_bufs_lock);
- INIT_LIST_HEAD(&s->queued_bufs);
- s->udev = udev;
- s->f_adc = bands[0].rangelow;
- s->pixelformat = V4L2_SDR_FMT_CU8;
-
- /* Init videobuf2 queue structure */
- s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE;
- s->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
- s->vb_queue.drv_priv = s;
- s->vb_queue.buf_struct_size = sizeof(struct msi3101_frame_buf);
- s->vb_queue.ops = &msi3101_vb2_ops;
- s->vb_queue.mem_ops = &vb2_vmalloc_memops;
- s->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- ret = vb2_queue_init(&s->vb_queue);
- if (ret) {
- dev_err(&s->udev->dev, "Could not initialize vb2 queue\n");
- goto err_free_mem;
- }
-
- /* Init video_device structure */
- s->vdev = msi3101_template;
- s->vdev.queue = &s->vb_queue;
- s->vdev.queue->lock = &s->vb_queue_lock;
- set_bit(V4L2_FL_USE_FH_PRIO, &s->vdev.flags);
- video_set_drvdata(&s->vdev, s);
-
- /* Register the v4l2_device structure */
- s->v4l2_dev.release = msi3101_video_release;
- ret = v4l2_device_register(&intf->dev, &s->v4l2_dev);
- if (ret) {
- dev_err(&s->udev->dev,
- "Failed to register v4l2-device (%d)\n", ret);
- goto err_free_mem;
- }
-
- /* SPI master adapter */
- master = spi_alloc_master(&s->udev->dev, 0);
- if (master == NULL) {
- ret = -ENOMEM;
- goto err_unregister_v4l2_dev;
- }
-
- s->master = master;
- master->bus_num = 0;
- master->num_chipselect = 1;
- master->transfer_one_message = msi3101_transfer_one_message;
- spi_master_set_devdata(master, s);
- ret = spi_register_master(master);
- if (ret) {
- spi_master_put(master);
- goto err_unregister_v4l2_dev;
- }
-
- /* load v4l2 subdevice */
- sd = v4l2_spi_new_subdev(&s->v4l2_dev, master, &board_info);
- s->v4l2_subdev = sd;
- if (sd == NULL) {
- dev_err(&s->udev->dev, "cannot get v4l2 subdevice\n");
- ret = -ENODEV;
- goto err_unregister_master;
- }
-
- /* Register controls */
- v4l2_ctrl_handler_init(&s->hdl, 0);
- if (s->hdl.error) {
- ret = s->hdl.error;
- dev_err(&s->udev->dev, "Could not initialize controls\n");
- goto err_free_controls;
- }
-
- /* currently all controls are from subdev */
- v4l2_ctrl_add_handler(&s->hdl, sd->ctrl_handler, NULL);
-
- s->v4l2_dev.ctrl_handler = &s->hdl;
- s->vdev.v4l2_dev = &s->v4l2_dev;
- s->vdev.lock = &s->v4l2_lock;
-
- ret = video_register_device(&s->vdev, VFL_TYPE_SDR, -1);
- if (ret) {
- dev_err(&s->udev->dev,
- "Failed to register as video device (%d)\n",
- ret);
- goto err_unregister_v4l2_dev;
- }
- dev_info(&s->udev->dev, "Registered as %s\n",
- video_device_node_name(&s->vdev));
-
- return 0;
-
-err_free_controls:
- v4l2_ctrl_handler_free(&s->hdl);
-err_unregister_master:
- spi_unregister_master(s->master);
-err_unregister_v4l2_dev:
- v4l2_device_unregister(&s->v4l2_dev);
-err_free_mem:
- kfree(s);
- return ret;
-}
-
-/* USB device ID list */
-static struct usb_device_id msi3101_id_table[] = {
- { USB_DEVICE(0x1df7, 0x2500) }, /* Mirics MSi3101 SDR Dongle */
- { USB_DEVICE(0x2040, 0xd300) }, /* Hauppauge WinTV 133559 LF */
- { }
-};
-MODULE_DEVICE_TABLE(usb, msi3101_id_table);
-
-/* USB subsystem interface */
-static struct usb_driver msi3101_driver = {
- .name = KBUILD_MODNAME,
- .probe = msi3101_probe,
- .disconnect = msi3101_disconnect,
- .id_table = msi3101_id_table,
-};
-
-module_usb_driver(msi3101_driver);
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Mirics MSi3101 SDR Dongle");
-MODULE_LICENSE("GPL");
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 12/18] MAINTAINERS: update MSI3101 / MSI2500 driver location
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (9 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 11/18] msi2500: move msi3101 out of staging and rename Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 13/18] msi2500: change supported formats Antti Palosaari
` (5 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
MSi3101 driver is moved out of staging and renamed.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
MAINTAINERS | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index e0bd8b0..798c138 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5893,7 +5893,7 @@ T: git git://linuxtv.org/anttip/media_tree.git
S: Maintained
F: drivers/media/tuners/msi001*
-MSI3101 MEDIA DRIVER
+MSI2500 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
W: http://linuxtv.org/
@@ -5901,7 +5901,7 @@ W: http://palosaari.fi/linux/
Q: http://patchwork.linuxtv.org/project/linux-media/list/
T: git git://linuxtv.org/anttip/media_tree.git
S: Maintained
-F: drivers/staging/media/msi3101/sdr-msi3101*
+F: drivers/media/usb/msi2500/msi2500*
MT9M032 APTINA SENSOR DRIVER
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 13/18] msi2500: change supported formats
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (10 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 12/18] MAINTAINERS: update MSI3101 / MSI2500 driver location Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 14/18] msi2500: print notice to point SDR API is not 100% stable yet Antti Palosaari
` (4 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Enable two native formats, V4L2_SDR_FMT_CS8 and V4L2_SDR_FMT_CS14LE.
Move emulated formats behind module parameter.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/usb/msi2500/msi2500.c | 44 +++++++++++++++++++++----------------
1 file changed, 25 insertions(+), 19 deletions(-)
diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c
index 08d0d09..6ed121b 100644
--- a/drivers/media/usb/msi2500/msi2500.c
+++ b/drivers/media/usb/msi2500/msi2500.c
@@ -34,6 +34,10 @@
#include <media/videobuf2-vmalloc.h>
#include <linux/spi/spi.h>
+static bool msi3101_emulated_fmt;
+module_param_named(emulated_formats, msi3101_emulated_fmt, bool, 0644);
+MODULE_PARM_DESC(emulated_formats, "enable emulated formats (disappears in future)");
+
/*
* iConfiguration 0
* bInterfaceNumber 0
@@ -52,9 +56,7 @@
#define MAX_ISOC_ERRORS 20
/* TODO: These should be moved to V4L2 API */
-#define V4L2_PIX_FMT_SDR_S8 v4l2_fourcc('D', 'S', '0', '8') /* signed 8-bit */
#define V4L2_PIX_FMT_SDR_S12 v4l2_fourcc('D', 'S', '1', '2') /* signed 12-bit */
-#define V4L2_PIX_FMT_SDR_S14 v4l2_fourcc('D', 'S', '1', '4') /* signed 14-bit */
#define V4L2_PIX_FMT_SDR_MSI2500_384 v4l2_fourcc('M', '3', '8', '4') /* Mirics MSi2500 format 384 */
static const struct v4l2_frequency_band bands[] = {
@@ -77,25 +79,25 @@ struct msi3101_format {
/* format descriptions for capture and preview */
static struct msi3101_format formats[] = {
{
- .name = "IQ U8",
- .pixelformat = V4L2_SDR_FMT_CU8,
- }, {
- .name = "IQ U16LE",
- .pixelformat = V4L2_SDR_FMT_CU16LE,
+ .name = "Complex S8",
+ .pixelformat = V4L2_SDR_FMT_CS8,
#if 0
}, {
- .name = "8-bit signed",
- .pixelformat = V4L2_PIX_FMT_SDR_S8,
- }, {
.name = "10+2-bit signed",
.pixelformat = V4L2_PIX_FMT_SDR_MSI2500_384,
}, {
.name = "12-bit signed",
.pixelformat = V4L2_PIX_FMT_SDR_S12,
- }, {
- .name = "14-bit signed",
- .pixelformat = V4L2_PIX_FMT_SDR_S14,
#endif
+ }, {
+ .name = "Complex S14LE",
+ .pixelformat = V4L2_SDR_FMT_CS14LE,
+ }, {
+ .name = "Complex U8 (emulated)",
+ .pixelformat = V4L2_SDR_FMT_CU8,
+ }, {
+ .name = "Complex U16LE (emulated)",
+ .pixelformat = V4L2_SDR_FMT_CU16LE,
},
};
@@ -127,6 +129,7 @@ struct msi3101_state {
unsigned int f_adc;
u32 pixelformat;
+ unsigned int num_formats;
unsigned int isoc_errors; /* number of contiguous ISOC errors */
unsigned int vb_full; /* vb is full and packets dropped */
@@ -928,7 +931,7 @@ static int msi3101_set_usb_adc(struct msi3101_state *s)
s->convert_stream = msi3101_convert_stream_252_u16;
reg7 = 0x00009407;
break;
- case V4L2_PIX_FMT_SDR_S8:
+ case V4L2_SDR_FMT_CS8:
s->convert_stream = msi3101_convert_stream_504;
reg7 = 0x000c9407;
break;
@@ -940,7 +943,7 @@ static int msi3101_set_usb_adc(struct msi3101_state *s)
s->convert_stream = msi3101_convert_stream_336;
reg7 = 0x00008507;
break;
- case V4L2_PIX_FMT_SDR_S14:
+ case V4L2_SDR_FMT_CS14LE:
s->convert_stream = msi3101_convert_stream_252;
reg7 = 0x00009407;
break;
@@ -1115,7 +1118,7 @@ static int msi3101_enum_fmt_sdr_cap(struct file *file, void *priv,
struct msi3101_state *s = video_drvdata(file);
dev_dbg(&s->udev->dev, "%s: index=%d\n", __func__, f->index);
- if (f->index >= NUM_FORMATS)
+ if (f->index >= s->num_formats)
return -EINVAL;
strlcpy(f->description, formats[f->index].name, sizeof(f->description));
@@ -1150,7 +1153,7 @@ static int msi3101_s_fmt_sdr_cap(struct file *file, void *priv,
return -EBUSY;
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
+ for (i = 0; i < s->num_formats; i++) {
if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
s->pixelformat = f->fmt.sdr.pixelformat;
return 0;
@@ -1172,7 +1175,7 @@ static int msi3101_try_fmt_sdr_cap(struct file *file, void *priv,
(char *)&f->fmt.sdr.pixelformat);
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
+ for (i = 0; i < s->num_formats; i++) {
if (formats[i].pixelformat == f->fmt.sdr.pixelformat)
return 0;
}
@@ -1398,7 +1401,10 @@ static int msi3101_probe(struct usb_interface *intf,
INIT_LIST_HEAD(&s->queued_bufs);
s->udev = udev;
s->f_adc = bands[0].rangelow;
- s->pixelformat = V4L2_SDR_FMT_CU8;
+ s->pixelformat = formats[0].pixelformat;
+ s->num_formats = NUM_FORMATS;
+ if (msi3101_emulated_fmt == false)
+ s->num_formats -= 2;
/* Init videobuf2 queue structure */
s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE;
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 14/18] msi2500: print notice to point SDR API is not 100% stable yet
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (11 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 13/18] msi2500: change supported formats Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 15/18] rtl2832_sdr: move from staging to media Antti Palosaari
` (3 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
SDR API is very new and surprises may occur. Due to that print
notice to remind possible users.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/usb/msi2500/msi2500.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/usb/msi2500/msi2500.c b/drivers/media/usb/msi2500/msi2500.c
index 6ed121b..a66a07f 100644
--- a/drivers/media/usb/msi2500/msi2500.c
+++ b/drivers/media/usb/msi2500/msi2500.c
@@ -1487,6 +1487,9 @@ static int msi3101_probe(struct usb_interface *intf,
}
dev_info(&s->udev->dev, "Registered as %s\n",
video_device_node_name(&s->vdev));
+ dev_notice(&s->udev->dev,
+ "%s: SDR API is still slightly experimental and functionality changes may follow\n",
+ KBUILD_MODNAME);
return 0;
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 15/18] rtl2832_sdr: move from staging to media
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (12 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 14/18] msi2500: print notice to point SDR API is not 100% stable yet Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 16/18] rtl2832_sdr: put complex U16 format behind module parameter Antti Palosaari
` (2 subsequent siblings)
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Move rtl2832_sdr driver module from staging to media.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/dvb-frontends/Kconfig | 9 +
drivers/media/dvb-frontends/Makefile | 6 +
drivers/media/dvb-frontends/rtl2832_sdr.c | 1497 ++++++++++++++++++++++
drivers/media/dvb-frontends/rtl2832_sdr.h | 54 +
drivers/media/usb/dvb-usb-v2/Kconfig | 1 +
drivers/staging/media/Kconfig | 2 -
drivers/staging/media/Makefile | 1 -
drivers/staging/media/rtl2832u_sdr/Kconfig | 7 -
drivers/staging/media/rtl2832u_sdr/Makefile | 6 -
drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c | 1497 ----------------------
drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h | 54 -
11 files changed, 1567 insertions(+), 1567 deletions(-)
create mode 100644 drivers/media/dvb-frontends/rtl2832_sdr.c
create mode 100644 drivers/media/dvb-frontends/rtl2832_sdr.h
delete mode 100644 drivers/staging/media/rtl2832u_sdr/Kconfig
delete mode 100644 drivers/staging/media/rtl2832u_sdr/Makefile
delete mode 100644 drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
delete mode 100644 drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h
diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig
index 1469d44..7225f05 100644
--- a/drivers/media/dvb-frontends/Kconfig
+++ b/drivers/media/dvb-frontends/Kconfig
@@ -446,6 +446,15 @@ config DVB_RTL2832
help
Say Y when you want to support this frontend.
+config DVB_RTL2832_SDR
+ tristate "Realtek RTL2832 SDR"
+ depends on DVB_CORE && I2C && VIDEO_V4L2
+ select DVB_RTL2832
+ select VIDEOBUF2_VMALLOC
+ default m if !MEDIA_SUBDRV_AUTOSELECT
+ help
+ Say Y when you want to support this SDR module.
+
config DVB_SI2168
tristate "Silicon Labs Si2168"
depends on DVB_CORE && I2C && I2C_MUX
diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile
index dda0bee..655e3c8 100644
--- a/drivers/media/dvb-frontends/Makefile
+++ b/drivers/media/dvb-frontends/Makefile
@@ -5,6 +5,11 @@
ccflags-y += -I$(srctree)/drivers/media/dvb-core/
ccflags-y += -I$(srctree)/drivers/media/tuners/
+# FIXME: RTL2832 SDR driver uses power management directly from USB IF driver
+ifdef CONFIG_DVB_RTL2832_SDR
+ ccflags-y += -I$(srctree)/drivers/media/usb/dvb-usb-v2
+endif
+
stb0899-objs := stb0899_drv.o stb0899_algo.o
stv0900-objs := stv0900_core.o stv0900_sw.o
drxd-objs := drxd_firm.o drxd_hard.o
@@ -104,6 +109,7 @@ obj-$(CONFIG_DVB_A8293) += a8293.o
obj-$(CONFIG_DVB_TDA10071) += tda10071.o
obj-$(CONFIG_DVB_RTL2830) += rtl2830.o
obj-$(CONFIG_DVB_RTL2832) += rtl2832.o
+obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832_sdr.o
obj-$(CONFIG_DVB_M88RS2000) += m88rs2000.o
obj-$(CONFIG_DVB_AF9033) += af9033.o
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
new file mode 100644
index 0000000..093df6b
--- /dev/null
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -0,0 +1,1497 @@
+/*
+ * Realtek RTL2832U SDR driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * GNU Radio plugin "gr-kernel" for device usage will be on:
+ * http://git.linuxtv.org/anttip/gr-kernel.git
+ *
+ */
+
+#include "dvb_frontend.h"
+#include "rtl2832_sdr.h"
+#include "dvb_usb.h"
+
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-event.h>
+#include <media/videobuf2-vmalloc.h>
+
+#include <linux/jiffies.h>
+#include <linux/math64.h>
+
+#define MAX_BULK_BUFS (10)
+#define BULK_BUFFER_SIZE (128 * 512)
+
+static const struct v4l2_frequency_band bands_adc[] = {
+ {
+ .tuner = 0,
+ .type = V4L2_TUNER_ADC,
+ .index = 0,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 300000,
+ .rangehigh = 300000,
+ },
+ {
+ .tuner = 0,
+ .type = V4L2_TUNER_ADC,
+ .index = 1,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 900001,
+ .rangehigh = 2800000,
+ },
+ {
+ .tuner = 0,
+ .type = V4L2_TUNER_ADC,
+ .index = 2,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 3200000,
+ .rangehigh = 3200000,
+ },
+};
+
+static const struct v4l2_frequency_band bands_fm[] = {
+ {
+ .tuner = 1,
+ .type = V4L2_TUNER_RF,
+ .index = 0,
+ .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 50000000,
+ .rangehigh = 2000000000,
+ },
+};
+
+/* stream formats */
+struct rtl2832_sdr_format {
+ char *name;
+ u32 pixelformat;
+};
+
+static struct rtl2832_sdr_format formats[] = {
+ {
+ .name = "IQ U8",
+ .pixelformat = V4L2_SDR_FMT_CU8,
+ }, {
+ .name = "IQ U16LE (emulated)",
+ .pixelformat = V4L2_SDR_FMT_CU16LE,
+ },
+};
+
+static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats);
+
+/* intermediate buffers with raw data from the USB device */
+struct rtl2832_sdr_frame_buf {
+ struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */
+ struct list_head list;
+};
+
+struct rtl2832_sdr_state {
+#define POWER_ON (1 << 1)
+#define URB_BUF (1 << 2)
+ unsigned long flags;
+
+ const struct rtl2832_config *cfg;
+ struct dvb_frontend *fe;
+ struct dvb_usb_device *d;
+ struct i2c_adapter *i2c;
+ u8 bank;
+
+ struct video_device vdev;
+ struct v4l2_device v4l2_dev;
+
+ /* videobuf2 queue and queued buffers list */
+ struct vb2_queue vb_queue;
+ struct list_head queued_bufs;
+ spinlock_t queued_bufs_lock; /* Protects queued_bufs */
+ unsigned sequence; /* buffer sequence counter */
+
+ /* Note if taking both locks v4l2_lock must always be locked first! */
+ struct mutex v4l2_lock; /* Protects everything else */
+ struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */
+
+ /* Pointer to our usb_device, will be NULL after unplug */
+ struct usb_device *udev; /* Both mutexes most be hold when setting! */
+
+ unsigned int vb_full; /* vb is full and packets dropped */
+
+ struct urb *urb_list[MAX_BULK_BUFS];
+ int buf_num;
+ unsigned long buf_size;
+ u8 *buf_list[MAX_BULK_BUFS];
+ dma_addr_t dma_addr[MAX_BULK_BUFS];
+ int urbs_initialized;
+ int urbs_submitted;
+
+ unsigned int f_adc, f_tuner;
+ u32 pixelformat;
+
+ /* Controls */
+ struct v4l2_ctrl_handler hdl;
+ struct v4l2_ctrl *bandwidth_auto;
+ struct v4l2_ctrl *bandwidth;
+
+ /* for sample rate calc */
+ unsigned int sample;
+ unsigned int sample_measured;
+ unsigned long jiffies_next;
+};
+
+/* write multiple hardware registers */
+static int rtl2832_sdr_wr(struct rtl2832_sdr_state *s, u8 reg, const u8 *val,
+ int len)
+{
+ int ret;
+#define MAX_WR_LEN 24
+#define MAX_WR_XFER_LEN (MAX_WR_LEN + 1)
+ u8 buf[MAX_WR_XFER_LEN];
+ struct i2c_msg msg[1] = {
+ {
+ .addr = s->cfg->i2c_addr,
+ .flags = 0,
+ .len = 1 + len,
+ .buf = buf,
+ }
+ };
+
+ if (WARN_ON(len > MAX_WR_LEN))
+ return -EINVAL;
+
+ buf[0] = reg;
+ memcpy(&buf[1], val, len);
+
+ ret = i2c_transfer(s->i2c, msg, 1);
+ if (ret == 1) {
+ ret = 0;
+ } else {
+ dev_err(&s->i2c->dev,
+ "%s: I2C wr failed=%d reg=%02x len=%d\n",
+ KBUILD_MODNAME, ret, reg, len);
+ ret = -EREMOTEIO;
+ }
+ return ret;
+}
+
+/* read multiple hardware registers */
+static int rtl2832_sdr_rd(struct rtl2832_sdr_state *s, u8 reg, u8 *val, int len)
+{
+ int ret;
+ struct i2c_msg msg[2] = {
+ {
+ .addr = s->cfg->i2c_addr,
+ .flags = 0,
+ .len = 1,
+ .buf = ®,
+ }, {
+ .addr = s->cfg->i2c_addr,
+ .flags = I2C_M_RD,
+ .len = len,
+ .buf = val,
+ }
+ };
+
+ ret = i2c_transfer(s->i2c, msg, 2);
+ if (ret == 2) {
+ ret = 0;
+ } else {
+ dev_err(&s->i2c->dev,
+ "%s: I2C rd failed=%d reg=%02x len=%d\n",
+ KBUILD_MODNAME, ret, reg, len);
+ ret = -EREMOTEIO;
+ }
+ return ret;
+}
+
+/* write multiple registers */
+static int rtl2832_sdr_wr_regs(struct rtl2832_sdr_state *s, u16 reg,
+ const u8 *val, int len)
+{
+ int ret;
+ u8 reg2 = (reg >> 0) & 0xff;
+ u8 bank = (reg >> 8) & 0xff;
+
+ /* switch bank if needed */
+ if (bank != s->bank) {
+ ret = rtl2832_sdr_wr(s, 0x00, &bank, 1);
+ if (ret)
+ return ret;
+
+ s->bank = bank;
+ }
+
+ return rtl2832_sdr_wr(s, reg2, val, len);
+}
+
+/* read multiple registers */
+static int rtl2832_sdr_rd_regs(struct rtl2832_sdr_state *s, u16 reg, u8 *val,
+ int len)
+{
+ int ret;
+ u8 reg2 = (reg >> 0) & 0xff;
+ u8 bank = (reg >> 8) & 0xff;
+
+ /* switch bank if needed */
+ if (bank != s->bank) {
+ ret = rtl2832_sdr_wr(s, 0x00, &bank, 1);
+ if (ret)
+ return ret;
+
+ s->bank = bank;
+ }
+
+ return rtl2832_sdr_rd(s, reg2, val, len);
+}
+
+/* write single register */
+static int rtl2832_sdr_wr_reg(struct rtl2832_sdr_state *s, u16 reg, u8 val)
+{
+ return rtl2832_sdr_wr_regs(s, reg, &val, 1);
+}
+
+#if 0
+/* read single register */
+static int rtl2832_sdr_rd_reg(struct rtl2832_sdr_state *s, u16 reg, u8 *val)
+{
+ return rtl2832_sdr_rd_regs(s, reg, val, 1);
+}
+#endif
+
+/* write single register with mask */
+static int rtl2832_sdr_wr_reg_mask(struct rtl2832_sdr_state *s, u16 reg,
+ u8 val, u8 mask)
+{
+ int ret;
+ u8 tmp;
+
+ /* no need for read if whole reg is written */
+ if (mask != 0xff) {
+ ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1);
+ if (ret)
+ return ret;
+
+ val &= mask;
+ tmp &= ~mask;
+ val |= tmp;
+ }
+
+ return rtl2832_sdr_wr_regs(s, reg, &val, 1);
+}
+
+#if 0
+/* read single register with mask */
+static int rtl2832_sdr_rd_reg_mask(struct rtl2832_sdr_state *s, u16 reg,
+ u8 *val, u8 mask)
+{
+ int ret, i;
+ u8 tmp;
+
+ ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1);
+ if (ret)
+ return ret;
+
+ tmp &= mask;
+
+ /* find position of the first bit */
+ for (i = 0; i < 8; i++) {
+ if ((mask >> i) & 0x01)
+ break;
+ }
+ *val = tmp >> i;
+
+ return 0;
+}
+#endif
+
+/* Private functions */
+static struct rtl2832_sdr_frame_buf *rtl2832_sdr_get_next_fill_buf(
+ struct rtl2832_sdr_state *s)
+{
+ unsigned long flags = 0;
+ struct rtl2832_sdr_frame_buf *buf = NULL;
+
+ spin_lock_irqsave(&s->queued_bufs_lock, flags);
+ if (list_empty(&s->queued_bufs))
+ goto leave;
+
+ buf = list_entry(s->queued_bufs.next,
+ struct rtl2832_sdr_frame_buf, list);
+ list_del(&buf->list);
+leave:
+ spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
+ return buf;
+}
+
+static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_state *s,
+ void *dst, const u8 *src, unsigned int src_len)
+{
+ unsigned int dst_len;
+
+ if (s->pixelformat == V4L2_SDR_FMT_CU8) {
+ /* native stream, no need to convert */
+ memcpy(dst, src, src_len);
+ dst_len = src_len;
+ } else if (s->pixelformat == V4L2_SDR_FMT_CU16LE) {
+ /* convert u8 to u16 */
+ unsigned int i;
+ u16 *u16dst = dst;
+ for (i = 0; i < src_len; i++)
+ *u16dst++ = (src[i] << 8) | (src[i] >> 0);
+ dst_len = 2 * src_len;
+ } else {
+ dst_len = 0;
+ }
+
+ /* calculate samping rate and output it in 10 seconds intervals */
+ if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
+#define MSECS 10000UL
+ unsigned int samples = s->sample - s->sample_measured;
+ s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
+ s->sample_measured = s->sample;
+ dev_dbg(&s->udev->dev,
+ "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
+ src_len, samples, MSECS,
+ samples * 1000UL / MSECS);
+ }
+
+ /* total number of I+Q pairs */
+ s->sample += src_len / 2;
+
+ return dst_len;
+}
+
+/*
+ * This gets called for the bulk stream pipe. This is done in interrupt
+ * time, so it has to be fast, not crash, and not stall. Neat.
+ */
+static void rtl2832_sdr_urb_complete(struct urb *urb)
+{
+ struct rtl2832_sdr_state *s = urb->context;
+ struct rtl2832_sdr_frame_buf *fbuf;
+
+ dev_dbg_ratelimited(&s->udev->dev,
+ "%s: status=%d length=%d/%d errors=%d\n",
+ __func__, urb->status, urb->actual_length,
+ urb->transfer_buffer_length, urb->error_count);
+
+ switch (urb->status) {
+ case 0: /* success */
+ case -ETIMEDOUT: /* NAK */
+ break;
+ case -ECONNRESET: /* kill */
+ case -ENOENT:
+ case -ESHUTDOWN:
+ return;
+ default: /* error */
+ dev_err_ratelimited(&s->udev->dev, "urb failed=%d\n",
+ urb->status);
+ break;
+ }
+
+ if (likely(urb->actual_length > 0)) {
+ void *ptr;
+ unsigned int len;
+ /* get free framebuffer */
+ fbuf = rtl2832_sdr_get_next_fill_buf(s);
+ if (unlikely(fbuf == NULL)) {
+ s->vb_full++;
+ dev_notice_ratelimited(&s->udev->dev,
+ "videobuf is full, %d packets dropped\n",
+ s->vb_full);
+ goto skip;
+ }
+
+ /* fill framebuffer */
+ ptr = vb2_plane_vaddr(&fbuf->vb, 0);
+ len = rtl2832_sdr_convert_stream(s, ptr, urb->transfer_buffer,
+ urb->actual_length);
+ vb2_set_plane_payload(&fbuf->vb, 0, len);
+ v4l2_get_timestamp(&fbuf->vb.v4l2_buf.timestamp);
+ fbuf->vb.v4l2_buf.sequence = s->sequence++;
+ vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
+ }
+skip:
+ usb_submit_urb(urb, GFP_ATOMIC);
+}
+
+static int rtl2832_sdr_kill_urbs(struct rtl2832_sdr_state *s)
+{
+ int i;
+
+ for (i = s->urbs_submitted - 1; i >= 0; i--) {
+ dev_dbg(&s->udev->dev, "%s: kill urb=%d\n", __func__, i);
+ /* stop the URB */
+ usb_kill_urb(s->urb_list[i]);
+ }
+ s->urbs_submitted = 0;
+
+ return 0;
+}
+
+static int rtl2832_sdr_submit_urbs(struct rtl2832_sdr_state *s)
+{
+ int i, ret;
+
+ for (i = 0; i < s->urbs_initialized; i++) {
+ dev_dbg(&s->udev->dev, "%s: submit urb=%d\n", __func__, i);
+ ret = usb_submit_urb(s->urb_list[i], GFP_ATOMIC);
+ if (ret) {
+ dev_err(&s->udev->dev,
+ "Could not submit urb no. %d - get them all back\n",
+ i);
+ rtl2832_sdr_kill_urbs(s);
+ return ret;
+ }
+ s->urbs_submitted++;
+ }
+
+ return 0;
+}
+
+static int rtl2832_sdr_free_stream_bufs(struct rtl2832_sdr_state *s)
+{
+ if (s->flags & USB_STATE_URB_BUF) {
+ while (s->buf_num) {
+ s->buf_num--;
+ dev_dbg(&s->udev->dev, "%s: free buf=%d\n",
+ __func__, s->buf_num);
+ usb_free_coherent(s->udev, s->buf_size,
+ s->buf_list[s->buf_num],
+ s->dma_addr[s->buf_num]);
+ }
+ }
+ s->flags &= ~USB_STATE_URB_BUF;
+
+ return 0;
+}
+
+static int rtl2832_sdr_alloc_stream_bufs(struct rtl2832_sdr_state *s)
+{
+ s->buf_num = 0;
+ s->buf_size = BULK_BUFFER_SIZE;
+
+ dev_dbg(&s->udev->dev,
+ "%s: all in all I will use %u bytes for streaming\n",
+ __func__, MAX_BULK_BUFS * BULK_BUFFER_SIZE);
+
+ for (s->buf_num = 0; s->buf_num < MAX_BULK_BUFS; s->buf_num++) {
+ s->buf_list[s->buf_num] = usb_alloc_coherent(s->udev,
+ BULK_BUFFER_SIZE, GFP_ATOMIC,
+ &s->dma_addr[s->buf_num]);
+ if (!s->buf_list[s->buf_num]) {
+ dev_dbg(&s->udev->dev, "%s: alloc buf=%d failed\n",
+ __func__, s->buf_num);
+ rtl2832_sdr_free_stream_bufs(s);
+ return -ENOMEM;
+ }
+
+ dev_dbg(&s->udev->dev, "%s: alloc buf=%d %p (dma %llu)\n",
+ __func__, s->buf_num,
+ s->buf_list[s->buf_num],
+ (long long)s->dma_addr[s->buf_num]);
+ s->flags |= USB_STATE_URB_BUF;
+ }
+
+ return 0;
+}
+
+static int rtl2832_sdr_free_urbs(struct rtl2832_sdr_state *s)
+{
+ int i;
+
+ rtl2832_sdr_kill_urbs(s);
+
+ for (i = s->urbs_initialized - 1; i >= 0; i--) {
+ if (s->urb_list[i]) {
+ dev_dbg(&s->udev->dev, "%s: free urb=%d\n",
+ __func__, i);
+ /* free the URBs */
+ usb_free_urb(s->urb_list[i]);
+ }
+ }
+ s->urbs_initialized = 0;
+
+ return 0;
+}
+
+static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_state *s)
+{
+ int i, j;
+
+ /* allocate the URBs */
+ for (i = 0; i < MAX_BULK_BUFS; i++) {
+ dev_dbg(&s->udev->dev, "%s: alloc urb=%d\n", __func__, i);
+ s->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!s->urb_list[i]) {
+ dev_dbg(&s->udev->dev, "%s: failed\n", __func__);
+ for (j = 0; j < i; j++)
+ usb_free_urb(s->urb_list[j]);
+ return -ENOMEM;
+ }
+ usb_fill_bulk_urb(s->urb_list[i],
+ s->udev,
+ usb_rcvbulkpipe(s->udev, 0x81),
+ s->buf_list[i],
+ BULK_BUFFER_SIZE,
+ rtl2832_sdr_urb_complete, s);
+
+ s->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
+ s->urb_list[i]->transfer_dma = s->dma_addr[i];
+ s->urbs_initialized++;
+ }
+
+ return 0;
+}
+
+/* Must be called with vb_queue_lock hold */
+static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_state *s)
+{
+ unsigned long flags = 0;
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ spin_lock_irqsave(&s->queued_bufs_lock, flags);
+ while (!list_empty(&s->queued_bufs)) {
+ struct rtl2832_sdr_frame_buf *buf;
+ buf = list_entry(s->queued_bufs.next,
+ struct rtl2832_sdr_frame_buf, list);
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+ spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
+}
+
+/* The user yanked out the cable... */
+static void rtl2832_sdr_release_sec(struct dvb_frontend *fe)
+{
+ struct rtl2832_sdr_state *s = fe->sec_priv;
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ mutex_lock(&s->vb_queue_lock);
+ mutex_lock(&s->v4l2_lock);
+ /* No need to keep the urbs around after disconnection */
+ s->udev = NULL;
+
+ v4l2_device_disconnect(&s->v4l2_dev);
+ video_unregister_device(&s->vdev);
+ mutex_unlock(&s->v4l2_lock);
+ mutex_unlock(&s->vb_queue_lock);
+
+ v4l2_device_put(&s->v4l2_dev);
+
+ fe->sec_priv = NULL;
+}
+
+static int rtl2832_sdr_querycap(struct file *file, void *fh,
+ struct v4l2_capability *cap)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
+ strlcpy(cap->card, s->vdev.name, sizeof(cap->card));
+ usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info));
+ cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING |
+ V4L2_CAP_READWRITE | V4L2_CAP_TUNER;
+ cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+ return 0;
+}
+
+/* Videobuf2 operations */
+static int rtl2832_sdr_queue_setup(struct vb2_queue *vq,
+ const struct v4l2_format *fmt, unsigned int *nbuffers,
+ unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
+{
+ struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq);
+ dev_dbg(&s->udev->dev, "%s: *nbuffers=%d\n", __func__, *nbuffers);
+
+ /* Need at least 8 buffers */
+ if (vq->num_buffers + *nbuffers < 8)
+ *nbuffers = 8 - vq->num_buffers;
+ *nplanes = 1;
+ /* 2 = max 16-bit sample returned */
+ sizes[0] = PAGE_ALIGN(BULK_BUFFER_SIZE * 2);
+ dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n",
+ __func__, *nbuffers, sizes[0]);
+ return 0;
+}
+
+static int rtl2832_sdr_buf_prepare(struct vb2_buffer *vb)
+{
+ struct rtl2832_sdr_state *s = vb2_get_drv_priv(vb->vb2_queue);
+
+ /* Don't allow queing new buffers after device disconnection */
+ if (!s->udev)
+ return -ENODEV;
+
+ return 0;
+}
+
+static void rtl2832_sdr_buf_queue(struct vb2_buffer *vb)
+{
+ struct rtl2832_sdr_state *s = vb2_get_drv_priv(vb->vb2_queue);
+ struct rtl2832_sdr_frame_buf *buf =
+ container_of(vb, struct rtl2832_sdr_frame_buf, vb);
+ unsigned long flags = 0;
+
+ /* Check the device has not disconnected between prep and queuing */
+ if (!s->udev) {
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ return;
+ }
+
+ spin_lock_irqsave(&s->queued_bufs_lock, flags);
+ list_add_tail(&buf->list, &s->queued_bufs);
+ spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
+}
+
+static int rtl2832_sdr_set_adc(struct rtl2832_sdr_state *s)
+{
+ struct dvb_frontend *fe = s->fe;
+ int ret;
+ unsigned int f_sr, f_if;
+ u8 buf[4], u8tmp1, u8tmp2;
+ u64 u64tmp;
+ u32 u32tmp;
+ dev_dbg(&s->udev->dev, "%s: f_adc=%u\n", __func__, s->f_adc);
+
+ if (!test_bit(POWER_ON, &s->flags))
+ return 0;
+
+ if (s->f_adc == 0)
+ return 0;
+
+ f_sr = s->f_adc;
+
+ ret = rtl2832_sdr_wr_regs(s, 0x13e, "\x00\x00", 2);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_regs(s, 0x115, "\x00\x00\x00\x00", 4);
+ if (ret)
+ goto err;
+
+ /* get IF from tuner */
+ if (fe->ops.tuner_ops.get_if_frequency)
+ ret = fe->ops.tuner_ops.get_if_frequency(fe, &f_if);
+ else
+ ret = -EINVAL;
+
+ if (ret)
+ goto err;
+
+ /* program IF */
+ u64tmp = f_if % s->cfg->xtal;
+ u64tmp *= 0x400000;
+ u64tmp = div_u64(u64tmp, s->cfg->xtal);
+ u64tmp = -u64tmp;
+ u32tmp = u64tmp & 0x3fffff;
+
+ dev_dbg(&s->udev->dev, "%s: f_if=%u if_ctl=%08x\n",
+ __func__, f_if, u32tmp);
+
+ buf[0] = (u32tmp >> 16) & 0xff;
+ buf[1] = (u32tmp >> 8) & 0xff;
+ buf[2] = (u32tmp >> 0) & 0xff;
+
+ ret = rtl2832_sdr_wr_regs(s, 0x119, buf, 3);
+ if (ret)
+ goto err;
+
+ /* BB / IF mode */
+ /* POR: 0x1b1=0x1f, 0x008=0x0d, 0x006=0x80 */
+ if (f_if) {
+ u8tmp1 = 0x1a; /* disable Zero-IF */
+ u8tmp2 = 0x8d; /* enable ADC I */
+ } else {
+ u8tmp1 = 0x1b; /* enable Zero-IF, DC, IQ */
+ u8tmp2 = 0xcd; /* enable ADC I, ADC Q */
+ }
+
+ ret = rtl2832_sdr_wr_reg(s, 0x1b1, u8tmp1);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_reg(s, 0x008, u8tmp2);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_reg(s, 0x006, 0x80);
+ if (ret)
+ goto err;
+
+ /* program sampling rate (resampling down) */
+ u32tmp = div_u64(s->cfg->xtal * 0x400000ULL, f_sr * 4U);
+ u32tmp <<= 2;
+ buf[0] = (u32tmp >> 24) & 0xff;
+ buf[1] = (u32tmp >> 16) & 0xff;
+ buf[2] = (u32tmp >> 8) & 0xff;
+ buf[3] = (u32tmp >> 0) & 0xff;
+ ret = rtl2832_sdr_wr_regs(s, 0x19f, buf, 4);
+ if (ret)
+ goto err;
+
+ /* low-pass filter */
+ ret = rtl2832_sdr_wr_regs(s, 0x11c,
+ "\xca\xdc\xd7\xd8\xe0\xf2\x0e\x35\x06\x50\x9c\x0d\x71\x11\x14\x71\x74\x19\x41\xa5",
+ 20);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_regs(s, 0x017, "\x11\x10", 2);
+ if (ret)
+ goto err;
+
+ /* mode */
+ ret = rtl2832_sdr_wr_regs(s, 0x019, "\x05", 1);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_regs(s, 0x01a, "\x1b\x16\x0d\x06\x01\xff", 6);
+ if (ret)
+ goto err;
+
+ /* FSM */
+ ret = rtl2832_sdr_wr_regs(s, 0x192, "\x00\xf0\x0f", 3);
+ if (ret)
+ goto err;
+
+ /* PID filter */
+ ret = rtl2832_sdr_wr_regs(s, 0x061, "\x60", 1);
+ if (ret)
+ goto err;
+
+ /* used RF tuner based settings */
+ switch (s->cfg->tuner) {
+ case RTL2832_TUNER_E4000:
+ ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x103, "\x5a", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x30", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x104, "\xd0", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x18", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x011, "\xd4", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1e5, "\xf0", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1d9, "\x00", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1db, "\x00", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1dd, "\x14", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1de, "\xec", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1d8, "\x0c", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1e6, "\x02", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1d7, "\x09", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x83", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x010, "\x49", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x87", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x85", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x013, "\x02", 1);
+ break;
+ case RTL2832_TUNER_FC0012:
+ case RTL2832_TUNER_FC0013:
+ ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x103, "\x5a", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x2c", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x104, "\xcc", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x16", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x011, "\xe9\xbf", 2);
+ ret = rtl2832_sdr_wr_regs(s, 0x1e5, "\xf0", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1d9, "\x00", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1db, "\x00", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1dd, "\x11", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1de, "\xef", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1d8, "\x0c", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1e6, "\x02", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1d7, "\x09", 1);
+ break;
+ case RTL2832_TUNER_R820T:
+ ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x115, "\x01", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x103, "\x80", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x24", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x104, "\xcc", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x14", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
+ ret = rtl2832_sdr_wr_regs(s, 0x011, "\xf4", 1);
+ break;
+ default:
+ dev_notice(&s->udev->dev, "Unsupported tuner\n");
+ }
+
+ /* software reset */
+ ret = rtl2832_sdr_wr_reg_mask(s, 0x101, 0x04, 0x04);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_reg_mask(s, 0x101, 0x00, 0x04);
+ if (ret)
+ goto err;
+err:
+ return ret;
+};
+
+static void rtl2832_sdr_unset_adc(struct rtl2832_sdr_state *s)
+{
+ int ret;
+
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ /* PID filter */
+ ret = rtl2832_sdr_wr_regs(s, 0x061, "\xe0", 1);
+ if (ret)
+ goto err;
+
+ /* mode */
+ ret = rtl2832_sdr_wr_regs(s, 0x019, "\x20", 1);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_regs(s, 0x017, "\x11\x10", 2);
+ if (ret)
+ goto err;
+
+ /* FSM */
+ ret = rtl2832_sdr_wr_regs(s, 0x192, "\x00\x0f\xff", 3);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_regs(s, 0x13e, "\x40\x00", 2);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_wr_regs(s, 0x115, "\x06\x3f\xce\xcc", 4);
+ if (ret)
+ goto err;
+err:
+ return;
+};
+
+static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_state *s)
+{
+ struct dvb_frontend *fe = s->fe;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ struct v4l2_ctrl *bandwidth_auto;
+ struct v4l2_ctrl *bandwidth;
+
+ /*
+ * tuner RF (Hz)
+ */
+ if (s->f_tuner == 0)
+ return 0;
+
+ /*
+ * bandwidth (Hz)
+ */
+ bandwidth_auto = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO);
+ bandwidth = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH);
+ if (v4l2_ctrl_g_ctrl(bandwidth_auto)) {
+ c->bandwidth_hz = s->f_adc;
+ v4l2_ctrl_s_ctrl(bandwidth, s->f_adc);
+ } else {
+ c->bandwidth_hz = v4l2_ctrl_g_ctrl(bandwidth);
+ }
+
+ c->frequency = s->f_tuner;
+ c->delivery_system = SYS_DVBT;
+
+ dev_dbg(&s->udev->dev, "%s: frequency=%u bandwidth=%d\n",
+ __func__, c->frequency, c->bandwidth_hz);
+
+ if (!test_bit(POWER_ON, &s->flags))
+ return 0;
+
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe);
+
+ return 0;
+};
+
+static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_state *s)
+{
+ struct dvb_frontend *fe = s->fe;
+
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ if (fe->ops.tuner_ops.init)
+ fe->ops.tuner_ops.init(fe);
+
+ return 0;
+};
+
+static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_state *s)
+{
+ struct dvb_frontend *fe = s->fe;
+
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ if (fe->ops.tuner_ops.sleep)
+ fe->ops.tuner_ops.sleep(fe);
+
+ return;
+};
+
+static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count)
+{
+ struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq);
+ int ret;
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ if (!s->udev)
+ return -ENODEV;
+
+ if (mutex_lock_interruptible(&s->v4l2_lock))
+ return -ERESTARTSYS;
+
+ if (s->d->props->power_ctrl)
+ s->d->props->power_ctrl(s->d, 1);
+
+ set_bit(POWER_ON, &s->flags);
+
+ ret = rtl2832_sdr_set_tuner(s);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_set_tuner_freq(s);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_set_adc(s);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_alloc_stream_bufs(s);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_sdr_alloc_urbs(s);
+ if (ret)
+ goto err;
+
+ s->sequence = 0;
+
+ ret = rtl2832_sdr_submit_urbs(s);
+ if (ret)
+ goto err;
+
+err:
+ mutex_unlock(&s->v4l2_lock);
+
+ return ret;
+}
+
+static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq)
+{
+ struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq);
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ mutex_lock(&s->v4l2_lock);
+
+ rtl2832_sdr_kill_urbs(s);
+ rtl2832_sdr_free_urbs(s);
+ rtl2832_sdr_free_stream_bufs(s);
+ rtl2832_sdr_cleanup_queued_bufs(s);
+ rtl2832_sdr_unset_adc(s);
+ rtl2832_sdr_unset_tuner(s);
+
+ clear_bit(POWER_ON, &s->flags);
+
+ if (s->d->props->power_ctrl)
+ s->d->props->power_ctrl(s->d, 0);
+
+ mutex_unlock(&s->v4l2_lock);
+}
+
+static struct vb2_ops rtl2832_sdr_vb2_ops = {
+ .queue_setup = rtl2832_sdr_queue_setup,
+ .buf_prepare = rtl2832_sdr_buf_prepare,
+ .buf_queue = rtl2832_sdr_buf_queue,
+ .start_streaming = rtl2832_sdr_start_streaming,
+ .stop_streaming = rtl2832_sdr_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
+};
+
+static int rtl2832_sdr_g_tuner(struct file *file, void *priv,
+ struct v4l2_tuner *v)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s: index=%d type=%d\n",
+ __func__, v->index, v->type);
+
+ if (v->index == 0) {
+ strlcpy(v->name, "ADC: Realtek RTL2832", sizeof(v->name));
+ v->type = V4L2_TUNER_ADC;
+ v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
+ v->rangelow = 300000;
+ v->rangehigh = 3200000;
+ } else if (v->index == 1) {
+ strlcpy(v->name, "RF: <unknown>", sizeof(v->name));
+ v->type = V4L2_TUNER_RF;
+ v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
+ v->rangelow = 50000000;
+ v->rangehigh = 2000000000;
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rtl2832_sdr_s_tuner(struct file *file, void *priv,
+ const struct v4l2_tuner *v)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ if (v->index > 1)
+ return -EINVAL;
+ return 0;
+}
+
+static int rtl2832_sdr_enum_freq_bands(struct file *file, void *priv,
+ struct v4l2_frequency_band *band)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d index=%d\n",
+ __func__, band->tuner, band->type, band->index);
+
+ if (band->tuner == 0) {
+ if (band->index >= ARRAY_SIZE(bands_adc))
+ return -EINVAL;
+
+ *band = bands_adc[band->index];
+ } else if (band->tuner == 1) {
+ if (band->index >= ARRAY_SIZE(bands_fm))
+ return -EINVAL;
+
+ *band = bands_fm[band->index];
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rtl2832_sdr_g_frequency(struct file *file, void *priv,
+ struct v4l2_frequency *f)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ int ret = 0;
+ dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d\n",
+ __func__, f->tuner, f->type);
+
+ if (f->tuner == 0) {
+ f->frequency = s->f_adc;
+ f->type = V4L2_TUNER_ADC;
+ } else if (f->tuner == 1) {
+ f->frequency = s->f_tuner;
+ f->type = V4L2_TUNER_RF;
+ } else {
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+static int rtl2832_sdr_s_frequency(struct file *file, void *priv,
+ const struct v4l2_frequency *f)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ int ret, band;
+
+ dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d frequency=%u\n",
+ __func__, f->tuner, f->type, f->frequency);
+
+ /* ADC band midpoints */
+ #define BAND_ADC_0 ((bands_adc[0].rangehigh + bands_adc[1].rangelow) / 2)
+ #define BAND_ADC_1 ((bands_adc[1].rangehigh + bands_adc[2].rangelow) / 2)
+
+ if (f->tuner == 0 && f->type == V4L2_TUNER_ADC) {
+ if (f->frequency < BAND_ADC_0)
+ band = 0;
+ else if (f->frequency < BAND_ADC_1)
+ band = 1;
+ else
+ band = 2;
+
+ s->f_adc = clamp_t(unsigned int, f->frequency,
+ bands_adc[band].rangelow,
+ bands_adc[band].rangehigh);
+
+ dev_dbg(&s->udev->dev, "%s: ADC frequency=%u Hz\n",
+ __func__, s->f_adc);
+ ret = rtl2832_sdr_set_adc(s);
+ } else if (f->tuner == 1) {
+ s->f_tuner = clamp_t(unsigned int, f->frequency,
+ bands_fm[0].rangelow,
+ bands_fm[0].rangehigh);
+ dev_dbg(&s->udev->dev, "%s: RF frequency=%u Hz\n",
+ __func__, f->frequency);
+
+ ret = rtl2832_sdr_set_tuner_freq(s);
+ } else {
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv,
+ struct v4l2_fmtdesc *f)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ if (f->index >= NUM_FORMATS)
+ return -EINVAL;
+
+ strlcpy(f->description, formats[f->index].name, sizeof(f->description));
+ f->pixelformat = formats[f->index].pixelformat;
+
+ return 0;
+}
+
+static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ dev_dbg(&s->udev->dev, "%s:\n", __func__);
+
+ f->fmt.sdr.pixelformat = s->pixelformat;
+ memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
+
+ return 0;
+}
+
+static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ struct vb2_queue *q = &s->vb_queue;
+ int i;
+ dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
+ (char *)&f->fmt.sdr.pixelformat);
+
+ if (vb2_is_busy(q))
+ return -EBUSY;
+
+ memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
+ for (i = 0; i < NUM_FORMATS; i++) {
+ if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
+ s->pixelformat = f->fmt.sdr.pixelformat;
+ return 0;
+ }
+ }
+
+ f->fmt.sdr.pixelformat = formats[0].pixelformat;
+ s->pixelformat = formats[0].pixelformat;
+
+ return 0;
+}
+
+static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv,
+ struct v4l2_format *f)
+{
+ struct rtl2832_sdr_state *s = video_drvdata(file);
+ int i;
+ dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
+ (char *)&f->fmt.sdr.pixelformat);
+
+ memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
+ for (i = 0; i < NUM_FORMATS; i++) {
+ if (formats[i].pixelformat == f->fmt.sdr.pixelformat)
+ return 0;
+ }
+
+ f->fmt.sdr.pixelformat = formats[0].pixelformat;
+
+ return 0;
+}
+
+static const struct v4l2_ioctl_ops rtl2832_sdr_ioctl_ops = {
+ .vidioc_querycap = rtl2832_sdr_querycap,
+
+ .vidioc_enum_fmt_sdr_cap = rtl2832_sdr_enum_fmt_sdr_cap,
+ .vidioc_g_fmt_sdr_cap = rtl2832_sdr_g_fmt_sdr_cap,
+ .vidioc_s_fmt_sdr_cap = rtl2832_sdr_s_fmt_sdr_cap,
+ .vidioc_try_fmt_sdr_cap = rtl2832_sdr_try_fmt_sdr_cap,
+
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_create_bufs = vb2_ioctl_create_bufs,
+ .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
+
+ .vidioc_g_tuner = rtl2832_sdr_g_tuner,
+ .vidioc_s_tuner = rtl2832_sdr_s_tuner,
+
+ .vidioc_enum_freq_bands = rtl2832_sdr_enum_freq_bands,
+ .vidioc_g_frequency = rtl2832_sdr_g_frequency,
+ .vidioc_s_frequency = rtl2832_sdr_s_frequency,
+
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
+ .vidioc_log_status = v4l2_ctrl_log_status,
+};
+
+static const struct v4l2_file_operations rtl2832_sdr_fops = {
+ .owner = THIS_MODULE,
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
+ .read = vb2_fop_read,
+ .poll = vb2_fop_poll,
+ .mmap = vb2_fop_mmap,
+ .unlocked_ioctl = video_ioctl2,
+};
+
+static struct video_device rtl2832_sdr_template = {
+ .name = "Realtek RTL2832 SDR",
+ .release = video_device_release_empty,
+ .fops = &rtl2832_sdr_fops,
+ .ioctl_ops = &rtl2832_sdr_ioctl_ops,
+};
+
+static int rtl2832_sdr_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct rtl2832_sdr_state *s =
+ container_of(ctrl->handler, struct rtl2832_sdr_state,
+ hdl);
+ struct dvb_frontend *fe = s->fe;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ int ret;
+ dev_dbg(&s->udev->dev,
+ "%s: id=%d name=%s val=%d min=%d max=%d step=%d\n",
+ __func__, ctrl->id, ctrl->name, ctrl->val,
+ ctrl->minimum, ctrl->maximum, ctrl->step);
+
+ switch (ctrl->id) {
+ case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
+ case V4L2_CID_RF_TUNER_BANDWIDTH:
+ /* TODO: these controls should be moved to tuner drivers */
+ if (s->bandwidth_auto->val) {
+ /* Round towards the closest legal value */
+ s32 val = s->f_adc + s->bandwidth->step / 2;
+ u32 offset;
+ val = clamp(val, s->bandwidth->minimum, s->bandwidth->maximum);
+ offset = val - s->bandwidth->minimum;
+ offset = s->bandwidth->step * (offset / s->bandwidth->step);
+ s->bandwidth->val = s->bandwidth->minimum + offset;
+ }
+
+ c->bandwidth_hz = s->bandwidth->val;
+
+ if (!test_bit(POWER_ON, &s->flags))
+ return 0;
+
+ if (fe->ops.tuner_ops.set_params)
+ ret = fe->ops.tuner_ops.set_params(fe);
+ else
+ ret = 0;
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static const struct v4l2_ctrl_ops rtl2832_sdr_ctrl_ops = {
+ .s_ctrl = rtl2832_sdr_s_ctrl,
+};
+
+static void rtl2832_sdr_video_release(struct v4l2_device *v)
+{
+ struct rtl2832_sdr_state *s =
+ container_of(v, struct rtl2832_sdr_state, v4l2_dev);
+
+ v4l2_ctrl_handler_free(&s->hdl);
+ v4l2_device_unregister(&s->v4l2_dev);
+ kfree(s);
+}
+
+struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
+ struct v4l2_subdev *sd)
+{
+ int ret;
+ struct rtl2832_sdr_state *s;
+ const struct v4l2_ctrl_ops *ops = &rtl2832_sdr_ctrl_ops;
+ struct dvb_usb_device *d = i2c_get_adapdata(i2c);
+
+ s = kzalloc(sizeof(struct rtl2832_sdr_state), GFP_KERNEL);
+ if (s == NULL) {
+ dev_err(&d->udev->dev,
+ "Could not allocate memory for rtl2832_sdr_state\n");
+ return NULL;
+ }
+
+ /* setup the state */
+ s->fe = fe;
+ s->d = d;
+ s->udev = d->udev;
+ s->i2c = i2c;
+ s->cfg = cfg;
+ s->f_adc = bands_adc[0].rangelow;
+ s->f_tuner = bands_fm[0].rangelow;
+ s->pixelformat = V4L2_SDR_FMT_CU8;
+
+ mutex_init(&s->v4l2_lock);
+ mutex_init(&s->vb_queue_lock);
+ spin_lock_init(&s->queued_bufs_lock);
+ INIT_LIST_HEAD(&s->queued_bufs);
+
+ /* Init videobuf2 queue structure */
+ s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE;
+ s->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
+ s->vb_queue.drv_priv = s;
+ s->vb_queue.buf_struct_size = sizeof(struct rtl2832_sdr_frame_buf);
+ s->vb_queue.ops = &rtl2832_sdr_vb2_ops;
+ s->vb_queue.mem_ops = &vb2_vmalloc_memops;
+ s->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ ret = vb2_queue_init(&s->vb_queue);
+ if (ret) {
+ dev_err(&s->udev->dev, "Could not initialize vb2 queue\n");
+ goto err_free_mem;
+ }
+
+ /* Register controls */
+ switch (s->cfg->tuner) {
+ case RTL2832_TUNER_E4000:
+ v4l2_ctrl_handler_init(&s->hdl, 9);
+ if (sd)
+ v4l2_ctrl_add_handler(&s->hdl, sd->ctrl_handler, NULL);
+ break;
+ case RTL2832_TUNER_R820T:
+ v4l2_ctrl_handler_init(&s->hdl, 2);
+ s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
+ s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH, 0, 8000000, 100000, 0);
+ v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
+ break;
+ case RTL2832_TUNER_FC0012:
+ case RTL2832_TUNER_FC0013:
+ v4l2_ctrl_handler_init(&s->hdl, 2);
+ s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
+ s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH, 6000000, 8000000, 1000000, 6000000);
+ v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
+ break;
+ default:
+ v4l2_ctrl_handler_init(&s->hdl, 0);
+ dev_notice(&s->udev->dev, "%s: Unsupported tuner\n",
+ KBUILD_MODNAME);
+ goto err_free_controls;
+ }
+
+ if (s->hdl.error) {
+ ret = s->hdl.error;
+ dev_err(&s->udev->dev, "Could not initialize controls\n");
+ goto err_free_controls;
+ }
+
+ /* Init video_device structure */
+ s->vdev = rtl2832_sdr_template;
+ s->vdev.queue = &s->vb_queue;
+ s->vdev.queue->lock = &s->vb_queue_lock;
+ set_bit(V4L2_FL_USE_FH_PRIO, &s->vdev.flags);
+ video_set_drvdata(&s->vdev, s);
+
+ /* Register the v4l2_device structure */
+ s->v4l2_dev.release = rtl2832_sdr_video_release;
+ ret = v4l2_device_register(&s->udev->dev, &s->v4l2_dev);
+ if (ret) {
+ dev_err(&s->udev->dev,
+ "Failed to register v4l2-device (%d)\n", ret);
+ goto err_free_controls;
+ }
+
+ s->v4l2_dev.ctrl_handler = &s->hdl;
+ s->vdev.v4l2_dev = &s->v4l2_dev;
+ s->vdev.lock = &s->v4l2_lock;
+ s->vdev.vfl_dir = VFL_DIR_RX;
+
+ ret = video_register_device(&s->vdev, VFL_TYPE_SDR, -1);
+ if (ret) {
+ dev_err(&s->udev->dev,
+ "Failed to register as video device (%d)\n",
+ ret);
+ goto err_unregister_v4l2_dev;
+ }
+ dev_info(&s->udev->dev, "Registered as %s\n",
+ video_device_node_name(&s->vdev));
+
+ fe->sec_priv = s;
+ fe->ops.release_sec = rtl2832_sdr_release_sec;
+
+ dev_info(&s->i2c->dev, "%s: Realtek RTL2832 SDR attached\n",
+ KBUILD_MODNAME);
+ return fe;
+
+err_unregister_v4l2_dev:
+ v4l2_device_unregister(&s->v4l2_dev);
+err_free_controls:
+ v4l2_ctrl_handler_free(&s->hdl);
+err_free_mem:
+ kfree(s);
+ return NULL;
+}
+EXPORT_SYMBOL(rtl2832_sdr_attach);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Realtek RTL2832 SDR driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.h b/drivers/media/dvb-frontends/rtl2832_sdr.h
new file mode 100644
index 0000000..b865fad
--- /dev/null
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.h
@@ -0,0 +1,54 @@
+/*
+ * Realtek RTL2832U SDR driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * GNU Radio plugin "gr-kernel" for device usage will be on:
+ * http://git.linuxtv.org/anttip/gr-kernel.git
+ *
+ * TODO:
+ * Help is very highly welcome for these + all the others you could imagine:
+ * - move controls to V4L2 API
+ * - use libv4l2 for stream format conversions
+ * - gr-kernel: switch to v4l2_mmap (current read eats a lot of cpu)
+ * - SDRSharp support
+ */
+
+#ifndef RTL2832_SDR_H
+#define RTL2832_SDR_H
+
+#include <linux/kconfig.h>
+#include <media/v4l2-subdev.h>
+
+/* for config struct */
+#include "rtl2832.h"
+
+#if IS_ENABLED(CONFIG_DVB_RTL2832_SDR)
+extern struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
+ struct v4l2_subdev *sd);
+#else
+static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
+ struct v4l2_subdev *sd)
+{
+ dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif
+
+#endif /* RTL2832_SDR_H */
diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig b/drivers/media/usb/dvb-usb-v2/Kconfig
index 037e519..0ea144e 100644
--- a/drivers/media/usb/dvb-usb-v2/Kconfig
+++ b/drivers/media/usb/dvb-usb-v2/Kconfig
@@ -129,6 +129,7 @@ config DVB_USB_RTL28XXU
depends on DVB_USB_V2 && I2C_MUX
select DVB_RTL2830
select DVB_RTL2832
+ select DVB_RTL2832_SDR if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_QT1010 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_MT2060 if MEDIA_SUBDRV_AUTOSELECT
select MEDIA_TUNER_MXL5005S if MEDIA_SUBDRV_AUTOSELECT
diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
index 11cfdfc..ce7d65c 100644
--- a/drivers/staging/media/Kconfig
+++ b/drivers/staging/media/Kconfig
@@ -39,8 +39,6 @@ source "drivers/staging/media/solo6x10/Kconfig"
source "drivers/staging/media/omap4iss/Kconfig"
-source "drivers/staging/media/rtl2832u_sdr/Kconfig"
-
# Keep LIRC at the end, as it has sub-menus
source "drivers/staging/media/lirc/Kconfig"
diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
index 86f0811..404e866 100644
--- a/drivers/staging/media/Makefile
+++ b/drivers/staging/media/Makefile
@@ -10,5 +10,4 @@ obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/
obj-$(CONFIG_USB_SN9C102) += sn9c102/
obj-$(CONFIG_VIDEO_OMAP2) += omap24xx/
obj-$(CONFIG_VIDEO_TCM825X) += omap24xx/
-obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832u_sdr/
diff --git a/drivers/staging/media/rtl2832u_sdr/Kconfig b/drivers/staging/media/rtl2832u_sdr/Kconfig
deleted file mode 100644
index 3ede5fe..0000000
--- a/drivers/staging/media/rtl2832u_sdr/Kconfig
+++ /dev/null
@@ -1,7 +0,0 @@
-config DVB_RTL2832_SDR
- tristate "Realtek RTL2832 SDR"
- depends on USB && DVB_CORE && I2C && VIDEO_V4L2 && DVB_USB_RTL28XXU
- select DVB_RTL2832
- select VIDEOBUF2_VMALLOC
- default m if !MEDIA_SUBDRV_AUTOSELECT
-
diff --git a/drivers/staging/media/rtl2832u_sdr/Makefile b/drivers/staging/media/rtl2832u_sdr/Makefile
deleted file mode 100644
index 7e00a0d..0000000
--- a/drivers/staging/media/rtl2832u_sdr/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832_sdr.o
-
-ccflags-y += -Idrivers/media/dvb-core
-ccflags-y += -Idrivers/media/dvb-frontends
-ccflags-y += -Idrivers/media/tuners
-ccflags-y += -Idrivers/media/usb/dvb-usb-v2
diff --git a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
deleted file mode 100644
index 093df6b..0000000
--- a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
+++ /dev/null
@@ -1,1497 +0,0 @@
-/*
- * Realtek RTL2832U SDR driver
- *
- * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * GNU Radio plugin "gr-kernel" for device usage will be on:
- * http://git.linuxtv.org/anttip/gr-kernel.git
- *
- */
-
-#include "dvb_frontend.h"
-#include "rtl2832_sdr.h"
-#include "dvb_usb.h"
-
-#include <media/v4l2-device.h>
-#include <media/v4l2-ioctl.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
-#include <media/videobuf2-vmalloc.h>
-
-#include <linux/jiffies.h>
-#include <linux/math64.h>
-
-#define MAX_BULK_BUFS (10)
-#define BULK_BUFFER_SIZE (128 * 512)
-
-static const struct v4l2_frequency_band bands_adc[] = {
- {
- .tuner = 0,
- .type = V4L2_TUNER_ADC,
- .index = 0,
- .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 300000,
- .rangehigh = 300000,
- },
- {
- .tuner = 0,
- .type = V4L2_TUNER_ADC,
- .index = 1,
- .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 900001,
- .rangehigh = 2800000,
- },
- {
- .tuner = 0,
- .type = V4L2_TUNER_ADC,
- .index = 2,
- .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 3200000,
- .rangehigh = 3200000,
- },
-};
-
-static const struct v4l2_frequency_band bands_fm[] = {
- {
- .tuner = 1,
- .type = V4L2_TUNER_RF,
- .index = 0,
- .capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 50000000,
- .rangehigh = 2000000000,
- },
-};
-
-/* stream formats */
-struct rtl2832_sdr_format {
- char *name;
- u32 pixelformat;
-};
-
-static struct rtl2832_sdr_format formats[] = {
- {
- .name = "IQ U8",
- .pixelformat = V4L2_SDR_FMT_CU8,
- }, {
- .name = "IQ U16LE (emulated)",
- .pixelformat = V4L2_SDR_FMT_CU16LE,
- },
-};
-
-static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats);
-
-/* intermediate buffers with raw data from the USB device */
-struct rtl2832_sdr_frame_buf {
- struct vb2_buffer vb; /* common v4l buffer stuff -- must be first */
- struct list_head list;
-};
-
-struct rtl2832_sdr_state {
-#define POWER_ON (1 << 1)
-#define URB_BUF (1 << 2)
- unsigned long flags;
-
- const struct rtl2832_config *cfg;
- struct dvb_frontend *fe;
- struct dvb_usb_device *d;
- struct i2c_adapter *i2c;
- u8 bank;
-
- struct video_device vdev;
- struct v4l2_device v4l2_dev;
-
- /* videobuf2 queue and queued buffers list */
- struct vb2_queue vb_queue;
- struct list_head queued_bufs;
- spinlock_t queued_bufs_lock; /* Protects queued_bufs */
- unsigned sequence; /* buffer sequence counter */
-
- /* Note if taking both locks v4l2_lock must always be locked first! */
- struct mutex v4l2_lock; /* Protects everything else */
- struct mutex vb_queue_lock; /* Protects vb_queue and capt_file */
-
- /* Pointer to our usb_device, will be NULL after unplug */
- struct usb_device *udev; /* Both mutexes most be hold when setting! */
-
- unsigned int vb_full; /* vb is full and packets dropped */
-
- struct urb *urb_list[MAX_BULK_BUFS];
- int buf_num;
- unsigned long buf_size;
- u8 *buf_list[MAX_BULK_BUFS];
- dma_addr_t dma_addr[MAX_BULK_BUFS];
- int urbs_initialized;
- int urbs_submitted;
-
- unsigned int f_adc, f_tuner;
- u32 pixelformat;
-
- /* Controls */
- struct v4l2_ctrl_handler hdl;
- struct v4l2_ctrl *bandwidth_auto;
- struct v4l2_ctrl *bandwidth;
-
- /* for sample rate calc */
- unsigned int sample;
- unsigned int sample_measured;
- unsigned long jiffies_next;
-};
-
-/* write multiple hardware registers */
-static int rtl2832_sdr_wr(struct rtl2832_sdr_state *s, u8 reg, const u8 *val,
- int len)
-{
- int ret;
-#define MAX_WR_LEN 24
-#define MAX_WR_XFER_LEN (MAX_WR_LEN + 1)
- u8 buf[MAX_WR_XFER_LEN];
- struct i2c_msg msg[1] = {
- {
- .addr = s->cfg->i2c_addr,
- .flags = 0,
- .len = 1 + len,
- .buf = buf,
- }
- };
-
- if (WARN_ON(len > MAX_WR_LEN))
- return -EINVAL;
-
- buf[0] = reg;
- memcpy(&buf[1], val, len);
-
- ret = i2c_transfer(s->i2c, msg, 1);
- if (ret == 1) {
- ret = 0;
- } else {
- dev_err(&s->i2c->dev,
- "%s: I2C wr failed=%d reg=%02x len=%d\n",
- KBUILD_MODNAME, ret, reg, len);
- ret = -EREMOTEIO;
- }
- return ret;
-}
-
-/* read multiple hardware registers */
-static int rtl2832_sdr_rd(struct rtl2832_sdr_state *s, u8 reg, u8 *val, int len)
-{
- int ret;
- struct i2c_msg msg[2] = {
- {
- .addr = s->cfg->i2c_addr,
- .flags = 0,
- .len = 1,
- .buf = ®,
- }, {
- .addr = s->cfg->i2c_addr,
- .flags = I2C_M_RD,
- .len = len,
- .buf = val,
- }
- };
-
- ret = i2c_transfer(s->i2c, msg, 2);
- if (ret == 2) {
- ret = 0;
- } else {
- dev_err(&s->i2c->dev,
- "%s: I2C rd failed=%d reg=%02x len=%d\n",
- KBUILD_MODNAME, ret, reg, len);
- ret = -EREMOTEIO;
- }
- return ret;
-}
-
-/* write multiple registers */
-static int rtl2832_sdr_wr_regs(struct rtl2832_sdr_state *s, u16 reg,
- const u8 *val, int len)
-{
- int ret;
- u8 reg2 = (reg >> 0) & 0xff;
- u8 bank = (reg >> 8) & 0xff;
-
- /* switch bank if needed */
- if (bank != s->bank) {
- ret = rtl2832_sdr_wr(s, 0x00, &bank, 1);
- if (ret)
- return ret;
-
- s->bank = bank;
- }
-
- return rtl2832_sdr_wr(s, reg2, val, len);
-}
-
-/* read multiple registers */
-static int rtl2832_sdr_rd_regs(struct rtl2832_sdr_state *s, u16 reg, u8 *val,
- int len)
-{
- int ret;
- u8 reg2 = (reg >> 0) & 0xff;
- u8 bank = (reg >> 8) & 0xff;
-
- /* switch bank if needed */
- if (bank != s->bank) {
- ret = rtl2832_sdr_wr(s, 0x00, &bank, 1);
- if (ret)
- return ret;
-
- s->bank = bank;
- }
-
- return rtl2832_sdr_rd(s, reg2, val, len);
-}
-
-/* write single register */
-static int rtl2832_sdr_wr_reg(struct rtl2832_sdr_state *s, u16 reg, u8 val)
-{
- return rtl2832_sdr_wr_regs(s, reg, &val, 1);
-}
-
-#if 0
-/* read single register */
-static int rtl2832_sdr_rd_reg(struct rtl2832_sdr_state *s, u16 reg, u8 *val)
-{
- return rtl2832_sdr_rd_regs(s, reg, val, 1);
-}
-#endif
-
-/* write single register with mask */
-static int rtl2832_sdr_wr_reg_mask(struct rtl2832_sdr_state *s, u16 reg,
- u8 val, u8 mask)
-{
- int ret;
- u8 tmp;
-
- /* no need for read if whole reg is written */
- if (mask != 0xff) {
- ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1);
- if (ret)
- return ret;
-
- val &= mask;
- tmp &= ~mask;
- val |= tmp;
- }
-
- return rtl2832_sdr_wr_regs(s, reg, &val, 1);
-}
-
-#if 0
-/* read single register with mask */
-static int rtl2832_sdr_rd_reg_mask(struct rtl2832_sdr_state *s, u16 reg,
- u8 *val, u8 mask)
-{
- int ret, i;
- u8 tmp;
-
- ret = rtl2832_sdr_rd_regs(s, reg, &tmp, 1);
- if (ret)
- return ret;
-
- tmp &= mask;
-
- /* find position of the first bit */
- for (i = 0; i < 8; i++) {
- if ((mask >> i) & 0x01)
- break;
- }
- *val = tmp >> i;
-
- return 0;
-}
-#endif
-
-/* Private functions */
-static struct rtl2832_sdr_frame_buf *rtl2832_sdr_get_next_fill_buf(
- struct rtl2832_sdr_state *s)
-{
- unsigned long flags = 0;
- struct rtl2832_sdr_frame_buf *buf = NULL;
-
- spin_lock_irqsave(&s->queued_bufs_lock, flags);
- if (list_empty(&s->queued_bufs))
- goto leave;
-
- buf = list_entry(s->queued_bufs.next,
- struct rtl2832_sdr_frame_buf, list);
- list_del(&buf->list);
-leave:
- spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
- return buf;
-}
-
-static unsigned int rtl2832_sdr_convert_stream(struct rtl2832_sdr_state *s,
- void *dst, const u8 *src, unsigned int src_len)
-{
- unsigned int dst_len;
-
- if (s->pixelformat == V4L2_SDR_FMT_CU8) {
- /* native stream, no need to convert */
- memcpy(dst, src, src_len);
- dst_len = src_len;
- } else if (s->pixelformat == V4L2_SDR_FMT_CU16LE) {
- /* convert u8 to u16 */
- unsigned int i;
- u16 *u16dst = dst;
- for (i = 0; i < src_len; i++)
- *u16dst++ = (src[i] << 8) | (src[i] >> 0);
- dst_len = 2 * src_len;
- } else {
- dst_len = 0;
- }
-
- /* calculate samping rate and output it in 10 seconds intervals */
- if (unlikely(time_is_before_jiffies(s->jiffies_next))) {
-#define MSECS 10000UL
- unsigned int samples = s->sample - s->sample_measured;
- s->jiffies_next = jiffies + msecs_to_jiffies(MSECS);
- s->sample_measured = s->sample;
- dev_dbg(&s->udev->dev,
- "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
- src_len, samples, MSECS,
- samples * 1000UL / MSECS);
- }
-
- /* total number of I+Q pairs */
- s->sample += src_len / 2;
-
- return dst_len;
-}
-
-/*
- * This gets called for the bulk stream pipe. This is done in interrupt
- * time, so it has to be fast, not crash, and not stall. Neat.
- */
-static void rtl2832_sdr_urb_complete(struct urb *urb)
-{
- struct rtl2832_sdr_state *s = urb->context;
- struct rtl2832_sdr_frame_buf *fbuf;
-
- dev_dbg_ratelimited(&s->udev->dev,
- "%s: status=%d length=%d/%d errors=%d\n",
- __func__, urb->status, urb->actual_length,
- urb->transfer_buffer_length, urb->error_count);
-
- switch (urb->status) {
- case 0: /* success */
- case -ETIMEDOUT: /* NAK */
- break;
- case -ECONNRESET: /* kill */
- case -ENOENT:
- case -ESHUTDOWN:
- return;
- default: /* error */
- dev_err_ratelimited(&s->udev->dev, "urb failed=%d\n",
- urb->status);
- break;
- }
-
- if (likely(urb->actual_length > 0)) {
- void *ptr;
- unsigned int len;
- /* get free framebuffer */
- fbuf = rtl2832_sdr_get_next_fill_buf(s);
- if (unlikely(fbuf == NULL)) {
- s->vb_full++;
- dev_notice_ratelimited(&s->udev->dev,
- "videobuf is full, %d packets dropped\n",
- s->vb_full);
- goto skip;
- }
-
- /* fill framebuffer */
- ptr = vb2_plane_vaddr(&fbuf->vb, 0);
- len = rtl2832_sdr_convert_stream(s, ptr, urb->transfer_buffer,
- urb->actual_length);
- vb2_set_plane_payload(&fbuf->vb, 0, len);
- v4l2_get_timestamp(&fbuf->vb.v4l2_buf.timestamp);
- fbuf->vb.v4l2_buf.sequence = s->sequence++;
- vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
- }
-skip:
- usb_submit_urb(urb, GFP_ATOMIC);
-}
-
-static int rtl2832_sdr_kill_urbs(struct rtl2832_sdr_state *s)
-{
- int i;
-
- for (i = s->urbs_submitted - 1; i >= 0; i--) {
- dev_dbg(&s->udev->dev, "%s: kill urb=%d\n", __func__, i);
- /* stop the URB */
- usb_kill_urb(s->urb_list[i]);
- }
- s->urbs_submitted = 0;
-
- return 0;
-}
-
-static int rtl2832_sdr_submit_urbs(struct rtl2832_sdr_state *s)
-{
- int i, ret;
-
- for (i = 0; i < s->urbs_initialized; i++) {
- dev_dbg(&s->udev->dev, "%s: submit urb=%d\n", __func__, i);
- ret = usb_submit_urb(s->urb_list[i], GFP_ATOMIC);
- if (ret) {
- dev_err(&s->udev->dev,
- "Could not submit urb no. %d - get them all back\n",
- i);
- rtl2832_sdr_kill_urbs(s);
- return ret;
- }
- s->urbs_submitted++;
- }
-
- return 0;
-}
-
-static int rtl2832_sdr_free_stream_bufs(struct rtl2832_sdr_state *s)
-{
- if (s->flags & USB_STATE_URB_BUF) {
- while (s->buf_num) {
- s->buf_num--;
- dev_dbg(&s->udev->dev, "%s: free buf=%d\n",
- __func__, s->buf_num);
- usb_free_coherent(s->udev, s->buf_size,
- s->buf_list[s->buf_num],
- s->dma_addr[s->buf_num]);
- }
- }
- s->flags &= ~USB_STATE_URB_BUF;
-
- return 0;
-}
-
-static int rtl2832_sdr_alloc_stream_bufs(struct rtl2832_sdr_state *s)
-{
- s->buf_num = 0;
- s->buf_size = BULK_BUFFER_SIZE;
-
- dev_dbg(&s->udev->dev,
- "%s: all in all I will use %u bytes for streaming\n",
- __func__, MAX_BULK_BUFS * BULK_BUFFER_SIZE);
-
- for (s->buf_num = 0; s->buf_num < MAX_BULK_BUFS; s->buf_num++) {
- s->buf_list[s->buf_num] = usb_alloc_coherent(s->udev,
- BULK_BUFFER_SIZE, GFP_ATOMIC,
- &s->dma_addr[s->buf_num]);
- if (!s->buf_list[s->buf_num]) {
- dev_dbg(&s->udev->dev, "%s: alloc buf=%d failed\n",
- __func__, s->buf_num);
- rtl2832_sdr_free_stream_bufs(s);
- return -ENOMEM;
- }
-
- dev_dbg(&s->udev->dev, "%s: alloc buf=%d %p (dma %llu)\n",
- __func__, s->buf_num,
- s->buf_list[s->buf_num],
- (long long)s->dma_addr[s->buf_num]);
- s->flags |= USB_STATE_URB_BUF;
- }
-
- return 0;
-}
-
-static int rtl2832_sdr_free_urbs(struct rtl2832_sdr_state *s)
-{
- int i;
-
- rtl2832_sdr_kill_urbs(s);
-
- for (i = s->urbs_initialized - 1; i >= 0; i--) {
- if (s->urb_list[i]) {
- dev_dbg(&s->udev->dev, "%s: free urb=%d\n",
- __func__, i);
- /* free the URBs */
- usb_free_urb(s->urb_list[i]);
- }
- }
- s->urbs_initialized = 0;
-
- return 0;
-}
-
-static int rtl2832_sdr_alloc_urbs(struct rtl2832_sdr_state *s)
-{
- int i, j;
-
- /* allocate the URBs */
- for (i = 0; i < MAX_BULK_BUFS; i++) {
- dev_dbg(&s->udev->dev, "%s: alloc urb=%d\n", __func__, i);
- s->urb_list[i] = usb_alloc_urb(0, GFP_ATOMIC);
- if (!s->urb_list[i]) {
- dev_dbg(&s->udev->dev, "%s: failed\n", __func__);
- for (j = 0; j < i; j++)
- usb_free_urb(s->urb_list[j]);
- return -ENOMEM;
- }
- usb_fill_bulk_urb(s->urb_list[i],
- s->udev,
- usb_rcvbulkpipe(s->udev, 0x81),
- s->buf_list[i],
- BULK_BUFFER_SIZE,
- rtl2832_sdr_urb_complete, s);
-
- s->urb_list[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
- s->urb_list[i]->transfer_dma = s->dma_addr[i];
- s->urbs_initialized++;
- }
-
- return 0;
-}
-
-/* Must be called with vb_queue_lock hold */
-static void rtl2832_sdr_cleanup_queued_bufs(struct rtl2832_sdr_state *s)
-{
- unsigned long flags = 0;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- spin_lock_irqsave(&s->queued_bufs_lock, flags);
- while (!list_empty(&s->queued_bufs)) {
- struct rtl2832_sdr_frame_buf *buf;
- buf = list_entry(s->queued_bufs.next,
- struct rtl2832_sdr_frame_buf, list);
- list_del(&buf->list);
- vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
- }
- spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
-}
-
-/* The user yanked out the cable... */
-static void rtl2832_sdr_release_sec(struct dvb_frontend *fe)
-{
- struct rtl2832_sdr_state *s = fe->sec_priv;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- mutex_lock(&s->vb_queue_lock);
- mutex_lock(&s->v4l2_lock);
- /* No need to keep the urbs around after disconnection */
- s->udev = NULL;
-
- v4l2_device_disconnect(&s->v4l2_dev);
- video_unregister_device(&s->vdev);
- mutex_unlock(&s->v4l2_lock);
- mutex_unlock(&s->vb_queue_lock);
-
- v4l2_device_put(&s->v4l2_dev);
-
- fe->sec_priv = NULL;
-}
-
-static int rtl2832_sdr_querycap(struct file *file, void *fh,
- struct v4l2_capability *cap)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
- strlcpy(cap->card, s->vdev.name, sizeof(cap->card));
- usb_make_path(s->udev, cap->bus_info, sizeof(cap->bus_info));
- cap->device_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_STREAMING |
- V4L2_CAP_READWRITE | V4L2_CAP_TUNER;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
- return 0;
-}
-
-/* Videobuf2 operations */
-static int rtl2832_sdr_queue_setup(struct vb2_queue *vq,
- const struct v4l2_format *fmt, unsigned int *nbuffers,
- unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[])
-{
- struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq);
- dev_dbg(&s->udev->dev, "%s: *nbuffers=%d\n", __func__, *nbuffers);
-
- /* Need at least 8 buffers */
- if (vq->num_buffers + *nbuffers < 8)
- *nbuffers = 8 - vq->num_buffers;
- *nplanes = 1;
- /* 2 = max 16-bit sample returned */
- sizes[0] = PAGE_ALIGN(BULK_BUFFER_SIZE * 2);
- dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n",
- __func__, *nbuffers, sizes[0]);
- return 0;
-}
-
-static int rtl2832_sdr_buf_prepare(struct vb2_buffer *vb)
-{
- struct rtl2832_sdr_state *s = vb2_get_drv_priv(vb->vb2_queue);
-
- /* Don't allow queing new buffers after device disconnection */
- if (!s->udev)
- return -ENODEV;
-
- return 0;
-}
-
-static void rtl2832_sdr_buf_queue(struct vb2_buffer *vb)
-{
- struct rtl2832_sdr_state *s = vb2_get_drv_priv(vb->vb2_queue);
- struct rtl2832_sdr_frame_buf *buf =
- container_of(vb, struct rtl2832_sdr_frame_buf, vb);
- unsigned long flags = 0;
-
- /* Check the device has not disconnected between prep and queuing */
- if (!s->udev) {
- vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
- return;
- }
-
- spin_lock_irqsave(&s->queued_bufs_lock, flags);
- list_add_tail(&buf->list, &s->queued_bufs);
- spin_unlock_irqrestore(&s->queued_bufs_lock, flags);
-}
-
-static int rtl2832_sdr_set_adc(struct rtl2832_sdr_state *s)
-{
- struct dvb_frontend *fe = s->fe;
- int ret;
- unsigned int f_sr, f_if;
- u8 buf[4], u8tmp1, u8tmp2;
- u64 u64tmp;
- u32 u32tmp;
- dev_dbg(&s->udev->dev, "%s: f_adc=%u\n", __func__, s->f_adc);
-
- if (!test_bit(POWER_ON, &s->flags))
- return 0;
-
- if (s->f_adc == 0)
- return 0;
-
- f_sr = s->f_adc;
-
- ret = rtl2832_sdr_wr_regs(s, 0x13e, "\x00\x00", 2);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_regs(s, 0x115, "\x00\x00\x00\x00", 4);
- if (ret)
- goto err;
-
- /* get IF from tuner */
- if (fe->ops.tuner_ops.get_if_frequency)
- ret = fe->ops.tuner_ops.get_if_frequency(fe, &f_if);
- else
- ret = -EINVAL;
-
- if (ret)
- goto err;
-
- /* program IF */
- u64tmp = f_if % s->cfg->xtal;
- u64tmp *= 0x400000;
- u64tmp = div_u64(u64tmp, s->cfg->xtal);
- u64tmp = -u64tmp;
- u32tmp = u64tmp & 0x3fffff;
-
- dev_dbg(&s->udev->dev, "%s: f_if=%u if_ctl=%08x\n",
- __func__, f_if, u32tmp);
-
- buf[0] = (u32tmp >> 16) & 0xff;
- buf[1] = (u32tmp >> 8) & 0xff;
- buf[2] = (u32tmp >> 0) & 0xff;
-
- ret = rtl2832_sdr_wr_regs(s, 0x119, buf, 3);
- if (ret)
- goto err;
-
- /* BB / IF mode */
- /* POR: 0x1b1=0x1f, 0x008=0x0d, 0x006=0x80 */
- if (f_if) {
- u8tmp1 = 0x1a; /* disable Zero-IF */
- u8tmp2 = 0x8d; /* enable ADC I */
- } else {
- u8tmp1 = 0x1b; /* enable Zero-IF, DC, IQ */
- u8tmp2 = 0xcd; /* enable ADC I, ADC Q */
- }
-
- ret = rtl2832_sdr_wr_reg(s, 0x1b1, u8tmp1);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_reg(s, 0x008, u8tmp2);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_reg(s, 0x006, 0x80);
- if (ret)
- goto err;
-
- /* program sampling rate (resampling down) */
- u32tmp = div_u64(s->cfg->xtal * 0x400000ULL, f_sr * 4U);
- u32tmp <<= 2;
- buf[0] = (u32tmp >> 24) & 0xff;
- buf[1] = (u32tmp >> 16) & 0xff;
- buf[2] = (u32tmp >> 8) & 0xff;
- buf[3] = (u32tmp >> 0) & 0xff;
- ret = rtl2832_sdr_wr_regs(s, 0x19f, buf, 4);
- if (ret)
- goto err;
-
- /* low-pass filter */
- ret = rtl2832_sdr_wr_regs(s, 0x11c,
- "\xca\xdc\xd7\xd8\xe0\xf2\x0e\x35\x06\x50\x9c\x0d\x71\x11\x14\x71\x74\x19\x41\xa5",
- 20);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_regs(s, 0x017, "\x11\x10", 2);
- if (ret)
- goto err;
-
- /* mode */
- ret = rtl2832_sdr_wr_regs(s, 0x019, "\x05", 1);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_regs(s, 0x01a, "\x1b\x16\x0d\x06\x01\xff", 6);
- if (ret)
- goto err;
-
- /* FSM */
- ret = rtl2832_sdr_wr_regs(s, 0x192, "\x00\xf0\x0f", 3);
- if (ret)
- goto err;
-
- /* PID filter */
- ret = rtl2832_sdr_wr_regs(s, 0x061, "\x60", 1);
- if (ret)
- goto err;
-
- /* used RF tuner based settings */
- switch (s->cfg->tuner) {
- case RTL2832_TUNER_E4000:
- ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x103, "\x5a", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x30", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x104, "\xd0", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x18", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x011, "\xd4", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1e5, "\xf0", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1d9, "\x00", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1db, "\x00", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1dd, "\x14", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1de, "\xec", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1d8, "\x0c", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1e6, "\x02", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1d7, "\x09", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x83", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x010, "\x49", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x87", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00d, "\x85", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x013, "\x02", 1);
- break;
- case RTL2832_TUNER_FC0012:
- case RTL2832_TUNER_FC0013:
- ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x103, "\x5a", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x2c", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x104, "\xcc", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x16", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x011, "\xe9\xbf", 2);
- ret = rtl2832_sdr_wr_regs(s, 0x1e5, "\xf0", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1d9, "\x00", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1db, "\x00", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1dd, "\x11", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1de, "\xef", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1d8, "\x0c", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1e6, "\x02", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1d7, "\x09", 1);
- break;
- case RTL2832_TUNER_R820T:
- ret = rtl2832_sdr_wr_regs(s, 0x112, "\x5a", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x102, "\x40", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x115, "\x01", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x103, "\x80", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c7, "\x24", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x104, "\xcc", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x105, "\xbe", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c8, "\x14", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x106, "\x35", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1c9, "\x21", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1ca, "\x21", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1cb, "\x00", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x107, "\x40", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1cd, "\x10", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x1ce, "\x10", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x108, "\x80", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x109, "\x7f", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x10a, "\x80", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x10b, "\x7f", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x00e, "\xfc", 1);
- ret = rtl2832_sdr_wr_regs(s, 0x011, "\xf4", 1);
- break;
- default:
- dev_notice(&s->udev->dev, "Unsupported tuner\n");
- }
-
- /* software reset */
- ret = rtl2832_sdr_wr_reg_mask(s, 0x101, 0x04, 0x04);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_reg_mask(s, 0x101, 0x00, 0x04);
- if (ret)
- goto err;
-err:
- return ret;
-};
-
-static void rtl2832_sdr_unset_adc(struct rtl2832_sdr_state *s)
-{
- int ret;
-
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- /* PID filter */
- ret = rtl2832_sdr_wr_regs(s, 0x061, "\xe0", 1);
- if (ret)
- goto err;
-
- /* mode */
- ret = rtl2832_sdr_wr_regs(s, 0x019, "\x20", 1);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_regs(s, 0x017, "\x11\x10", 2);
- if (ret)
- goto err;
-
- /* FSM */
- ret = rtl2832_sdr_wr_regs(s, 0x192, "\x00\x0f\xff", 3);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_regs(s, 0x13e, "\x40\x00", 2);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_wr_regs(s, 0x115, "\x06\x3f\xce\xcc", 4);
- if (ret)
- goto err;
-err:
- return;
-};
-
-static int rtl2832_sdr_set_tuner_freq(struct rtl2832_sdr_state *s)
-{
- struct dvb_frontend *fe = s->fe;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- struct v4l2_ctrl *bandwidth_auto;
- struct v4l2_ctrl *bandwidth;
-
- /*
- * tuner RF (Hz)
- */
- if (s->f_tuner == 0)
- return 0;
-
- /*
- * bandwidth (Hz)
- */
- bandwidth_auto = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO);
- bandwidth = v4l2_ctrl_find(&s->hdl, V4L2_CID_RF_TUNER_BANDWIDTH);
- if (v4l2_ctrl_g_ctrl(bandwidth_auto)) {
- c->bandwidth_hz = s->f_adc;
- v4l2_ctrl_s_ctrl(bandwidth, s->f_adc);
- } else {
- c->bandwidth_hz = v4l2_ctrl_g_ctrl(bandwidth);
- }
-
- c->frequency = s->f_tuner;
- c->delivery_system = SYS_DVBT;
-
- dev_dbg(&s->udev->dev, "%s: frequency=%u bandwidth=%d\n",
- __func__, c->frequency, c->bandwidth_hz);
-
- if (!test_bit(POWER_ON, &s->flags))
- return 0;
-
- if (fe->ops.tuner_ops.set_params)
- fe->ops.tuner_ops.set_params(fe);
-
- return 0;
-};
-
-static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_state *s)
-{
- struct dvb_frontend *fe = s->fe;
-
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- if (fe->ops.tuner_ops.init)
- fe->ops.tuner_ops.init(fe);
-
- return 0;
-};
-
-static void rtl2832_sdr_unset_tuner(struct rtl2832_sdr_state *s)
-{
- struct dvb_frontend *fe = s->fe;
-
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- if (fe->ops.tuner_ops.sleep)
- fe->ops.tuner_ops.sleep(fe);
-
- return;
-};
-
-static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count)
-{
- struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq);
- int ret;
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- if (!s->udev)
- return -ENODEV;
-
- if (mutex_lock_interruptible(&s->v4l2_lock))
- return -ERESTARTSYS;
-
- if (s->d->props->power_ctrl)
- s->d->props->power_ctrl(s->d, 1);
-
- set_bit(POWER_ON, &s->flags);
-
- ret = rtl2832_sdr_set_tuner(s);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_set_tuner_freq(s);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_set_adc(s);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_alloc_stream_bufs(s);
- if (ret)
- goto err;
-
- ret = rtl2832_sdr_alloc_urbs(s);
- if (ret)
- goto err;
-
- s->sequence = 0;
-
- ret = rtl2832_sdr_submit_urbs(s);
- if (ret)
- goto err;
-
-err:
- mutex_unlock(&s->v4l2_lock);
-
- return ret;
-}
-
-static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq)
-{
- struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- mutex_lock(&s->v4l2_lock);
-
- rtl2832_sdr_kill_urbs(s);
- rtl2832_sdr_free_urbs(s);
- rtl2832_sdr_free_stream_bufs(s);
- rtl2832_sdr_cleanup_queued_bufs(s);
- rtl2832_sdr_unset_adc(s);
- rtl2832_sdr_unset_tuner(s);
-
- clear_bit(POWER_ON, &s->flags);
-
- if (s->d->props->power_ctrl)
- s->d->props->power_ctrl(s->d, 0);
-
- mutex_unlock(&s->v4l2_lock);
-}
-
-static struct vb2_ops rtl2832_sdr_vb2_ops = {
- .queue_setup = rtl2832_sdr_queue_setup,
- .buf_prepare = rtl2832_sdr_buf_prepare,
- .buf_queue = rtl2832_sdr_buf_queue,
- .start_streaming = rtl2832_sdr_start_streaming,
- .stop_streaming = rtl2832_sdr_stop_streaming,
- .wait_prepare = vb2_ops_wait_prepare,
- .wait_finish = vb2_ops_wait_finish,
-};
-
-static int rtl2832_sdr_g_tuner(struct file *file, void *priv,
- struct v4l2_tuner *v)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s: index=%d type=%d\n",
- __func__, v->index, v->type);
-
- if (v->index == 0) {
- strlcpy(v->name, "ADC: Realtek RTL2832", sizeof(v->name));
- v->type = V4L2_TUNER_ADC;
- v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
- v->rangelow = 300000;
- v->rangehigh = 3200000;
- } else if (v->index == 1) {
- strlcpy(v->name, "RF: <unknown>", sizeof(v->name));
- v->type = V4L2_TUNER_RF;
- v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
- v->rangelow = 50000000;
- v->rangehigh = 2000000000;
- } else {
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int rtl2832_sdr_s_tuner(struct file *file, void *priv,
- const struct v4l2_tuner *v)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- if (v->index > 1)
- return -EINVAL;
- return 0;
-}
-
-static int rtl2832_sdr_enum_freq_bands(struct file *file, void *priv,
- struct v4l2_frequency_band *band)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d index=%d\n",
- __func__, band->tuner, band->type, band->index);
-
- if (band->tuner == 0) {
- if (band->index >= ARRAY_SIZE(bands_adc))
- return -EINVAL;
-
- *band = bands_adc[band->index];
- } else if (band->tuner == 1) {
- if (band->index >= ARRAY_SIZE(bands_fm))
- return -EINVAL;
-
- *band = bands_fm[band->index];
- } else {
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int rtl2832_sdr_g_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- int ret = 0;
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d\n",
- __func__, f->tuner, f->type);
-
- if (f->tuner == 0) {
- f->frequency = s->f_adc;
- f->type = V4L2_TUNER_ADC;
- } else if (f->tuner == 1) {
- f->frequency = s->f_tuner;
- f->type = V4L2_TUNER_RF;
- } else {
- return -EINVAL;
- }
-
- return ret;
-}
-
-static int rtl2832_sdr_s_frequency(struct file *file, void *priv,
- const struct v4l2_frequency *f)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- int ret, band;
-
- dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d frequency=%u\n",
- __func__, f->tuner, f->type, f->frequency);
-
- /* ADC band midpoints */
- #define BAND_ADC_0 ((bands_adc[0].rangehigh + bands_adc[1].rangelow) / 2)
- #define BAND_ADC_1 ((bands_adc[1].rangehigh + bands_adc[2].rangelow) / 2)
-
- if (f->tuner == 0 && f->type == V4L2_TUNER_ADC) {
- if (f->frequency < BAND_ADC_0)
- band = 0;
- else if (f->frequency < BAND_ADC_1)
- band = 1;
- else
- band = 2;
-
- s->f_adc = clamp_t(unsigned int, f->frequency,
- bands_adc[band].rangelow,
- bands_adc[band].rangehigh);
-
- dev_dbg(&s->udev->dev, "%s: ADC frequency=%u Hz\n",
- __func__, s->f_adc);
- ret = rtl2832_sdr_set_adc(s);
- } else if (f->tuner == 1) {
- s->f_tuner = clamp_t(unsigned int, f->frequency,
- bands_fm[0].rangelow,
- bands_fm[0].rangehigh);
- dev_dbg(&s->udev->dev, "%s: RF frequency=%u Hz\n",
- __func__, f->frequency);
-
- ret = rtl2832_sdr_set_tuner_freq(s);
- } else {
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv,
- struct v4l2_fmtdesc *f)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- if (f->index >= NUM_FORMATS)
- return -EINVAL;
-
- strlcpy(f->description, formats[f->index].name, sizeof(f->description));
- f->pixelformat = formats[f->index].pixelformat;
-
- return 0;
-}
-
-static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- dev_dbg(&s->udev->dev, "%s:\n", __func__);
-
- f->fmt.sdr.pixelformat = s->pixelformat;
- memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
-
- return 0;
-}
-
-static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- struct vb2_queue *q = &s->vb_queue;
- int i;
- dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
- (char *)&f->fmt.sdr.pixelformat);
-
- if (vb2_is_busy(q))
- return -EBUSY;
-
- memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
- if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
- s->pixelformat = f->fmt.sdr.pixelformat;
- return 0;
- }
- }
-
- f->fmt.sdr.pixelformat = formats[0].pixelformat;
- s->pixelformat = formats[0].pixelformat;
-
- return 0;
-}
-
-static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct rtl2832_sdr_state *s = video_drvdata(file);
- int i;
- dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
- (char *)&f->fmt.sdr.pixelformat);
-
- memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
- if (formats[i].pixelformat == f->fmt.sdr.pixelformat)
- return 0;
- }
-
- f->fmt.sdr.pixelformat = formats[0].pixelformat;
-
- return 0;
-}
-
-static const struct v4l2_ioctl_ops rtl2832_sdr_ioctl_ops = {
- .vidioc_querycap = rtl2832_sdr_querycap,
-
- .vidioc_enum_fmt_sdr_cap = rtl2832_sdr_enum_fmt_sdr_cap,
- .vidioc_g_fmt_sdr_cap = rtl2832_sdr_g_fmt_sdr_cap,
- .vidioc_s_fmt_sdr_cap = rtl2832_sdr_s_fmt_sdr_cap,
- .vidioc_try_fmt_sdr_cap = rtl2832_sdr_try_fmt_sdr_cap,
-
- .vidioc_reqbufs = vb2_ioctl_reqbufs,
- .vidioc_create_bufs = vb2_ioctl_create_bufs,
- .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
- .vidioc_querybuf = vb2_ioctl_querybuf,
- .vidioc_qbuf = vb2_ioctl_qbuf,
- .vidioc_dqbuf = vb2_ioctl_dqbuf,
-
- .vidioc_streamon = vb2_ioctl_streamon,
- .vidioc_streamoff = vb2_ioctl_streamoff,
-
- .vidioc_g_tuner = rtl2832_sdr_g_tuner,
- .vidioc_s_tuner = rtl2832_sdr_s_tuner,
-
- .vidioc_enum_freq_bands = rtl2832_sdr_enum_freq_bands,
- .vidioc_g_frequency = rtl2832_sdr_g_frequency,
- .vidioc_s_frequency = rtl2832_sdr_s_frequency,
-
- .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
- .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
- .vidioc_log_status = v4l2_ctrl_log_status,
-};
-
-static const struct v4l2_file_operations rtl2832_sdr_fops = {
- .owner = THIS_MODULE,
- .open = v4l2_fh_open,
- .release = vb2_fop_release,
- .read = vb2_fop_read,
- .poll = vb2_fop_poll,
- .mmap = vb2_fop_mmap,
- .unlocked_ioctl = video_ioctl2,
-};
-
-static struct video_device rtl2832_sdr_template = {
- .name = "Realtek RTL2832 SDR",
- .release = video_device_release_empty,
- .fops = &rtl2832_sdr_fops,
- .ioctl_ops = &rtl2832_sdr_ioctl_ops,
-};
-
-static int rtl2832_sdr_s_ctrl(struct v4l2_ctrl *ctrl)
-{
- struct rtl2832_sdr_state *s =
- container_of(ctrl->handler, struct rtl2832_sdr_state,
- hdl);
- struct dvb_frontend *fe = s->fe;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret;
- dev_dbg(&s->udev->dev,
- "%s: id=%d name=%s val=%d min=%d max=%d step=%d\n",
- __func__, ctrl->id, ctrl->name, ctrl->val,
- ctrl->minimum, ctrl->maximum, ctrl->step);
-
- switch (ctrl->id) {
- case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
- case V4L2_CID_RF_TUNER_BANDWIDTH:
- /* TODO: these controls should be moved to tuner drivers */
- if (s->bandwidth_auto->val) {
- /* Round towards the closest legal value */
- s32 val = s->f_adc + s->bandwidth->step / 2;
- u32 offset;
- val = clamp(val, s->bandwidth->minimum, s->bandwidth->maximum);
- offset = val - s->bandwidth->minimum;
- offset = s->bandwidth->step * (offset / s->bandwidth->step);
- s->bandwidth->val = s->bandwidth->minimum + offset;
- }
-
- c->bandwidth_hz = s->bandwidth->val;
-
- if (!test_bit(POWER_ON, &s->flags))
- return 0;
-
- if (fe->ops.tuner_ops.set_params)
- ret = fe->ops.tuner_ops.set_params(fe);
- else
- ret = 0;
- break;
- default:
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static const struct v4l2_ctrl_ops rtl2832_sdr_ctrl_ops = {
- .s_ctrl = rtl2832_sdr_s_ctrl,
-};
-
-static void rtl2832_sdr_video_release(struct v4l2_device *v)
-{
- struct rtl2832_sdr_state *s =
- container_of(v, struct rtl2832_sdr_state, v4l2_dev);
-
- v4l2_ctrl_handler_free(&s->hdl);
- v4l2_device_unregister(&s->v4l2_dev);
- kfree(s);
-}
-
-struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
- struct v4l2_subdev *sd)
-{
- int ret;
- struct rtl2832_sdr_state *s;
- const struct v4l2_ctrl_ops *ops = &rtl2832_sdr_ctrl_ops;
- struct dvb_usb_device *d = i2c_get_adapdata(i2c);
-
- s = kzalloc(sizeof(struct rtl2832_sdr_state), GFP_KERNEL);
- if (s == NULL) {
- dev_err(&d->udev->dev,
- "Could not allocate memory for rtl2832_sdr_state\n");
- return NULL;
- }
-
- /* setup the state */
- s->fe = fe;
- s->d = d;
- s->udev = d->udev;
- s->i2c = i2c;
- s->cfg = cfg;
- s->f_adc = bands_adc[0].rangelow;
- s->f_tuner = bands_fm[0].rangelow;
- s->pixelformat = V4L2_SDR_FMT_CU8;
-
- mutex_init(&s->v4l2_lock);
- mutex_init(&s->vb_queue_lock);
- spin_lock_init(&s->queued_bufs_lock);
- INIT_LIST_HEAD(&s->queued_bufs);
-
- /* Init videobuf2 queue structure */
- s->vb_queue.type = V4L2_BUF_TYPE_SDR_CAPTURE;
- s->vb_queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ;
- s->vb_queue.drv_priv = s;
- s->vb_queue.buf_struct_size = sizeof(struct rtl2832_sdr_frame_buf);
- s->vb_queue.ops = &rtl2832_sdr_vb2_ops;
- s->vb_queue.mem_ops = &vb2_vmalloc_memops;
- s->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- ret = vb2_queue_init(&s->vb_queue);
- if (ret) {
- dev_err(&s->udev->dev, "Could not initialize vb2 queue\n");
- goto err_free_mem;
- }
-
- /* Register controls */
- switch (s->cfg->tuner) {
- case RTL2832_TUNER_E4000:
- v4l2_ctrl_handler_init(&s->hdl, 9);
- if (sd)
- v4l2_ctrl_add_handler(&s->hdl, sd->ctrl_handler, NULL);
- break;
- case RTL2832_TUNER_R820T:
- v4l2_ctrl_handler_init(&s->hdl, 2);
- s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
- s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH, 0, 8000000, 100000, 0);
- v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
- break;
- case RTL2832_TUNER_FC0012:
- case RTL2832_TUNER_FC0013:
- v4l2_ctrl_handler_init(&s->hdl, 2);
- s->bandwidth_auto = v4l2_ctrl_new_std(&s->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH_AUTO, 0, 1, 1, 1);
- s->bandwidth = v4l2_ctrl_new_std(&s->hdl, ops, V4L2_CID_RF_TUNER_BANDWIDTH, 6000000, 8000000, 1000000, 6000000);
- v4l2_ctrl_auto_cluster(2, &s->bandwidth_auto, 0, false);
- break;
- default:
- v4l2_ctrl_handler_init(&s->hdl, 0);
- dev_notice(&s->udev->dev, "%s: Unsupported tuner\n",
- KBUILD_MODNAME);
- goto err_free_controls;
- }
-
- if (s->hdl.error) {
- ret = s->hdl.error;
- dev_err(&s->udev->dev, "Could not initialize controls\n");
- goto err_free_controls;
- }
-
- /* Init video_device structure */
- s->vdev = rtl2832_sdr_template;
- s->vdev.queue = &s->vb_queue;
- s->vdev.queue->lock = &s->vb_queue_lock;
- set_bit(V4L2_FL_USE_FH_PRIO, &s->vdev.flags);
- video_set_drvdata(&s->vdev, s);
-
- /* Register the v4l2_device structure */
- s->v4l2_dev.release = rtl2832_sdr_video_release;
- ret = v4l2_device_register(&s->udev->dev, &s->v4l2_dev);
- if (ret) {
- dev_err(&s->udev->dev,
- "Failed to register v4l2-device (%d)\n", ret);
- goto err_free_controls;
- }
-
- s->v4l2_dev.ctrl_handler = &s->hdl;
- s->vdev.v4l2_dev = &s->v4l2_dev;
- s->vdev.lock = &s->v4l2_lock;
- s->vdev.vfl_dir = VFL_DIR_RX;
-
- ret = video_register_device(&s->vdev, VFL_TYPE_SDR, -1);
- if (ret) {
- dev_err(&s->udev->dev,
- "Failed to register as video device (%d)\n",
- ret);
- goto err_unregister_v4l2_dev;
- }
- dev_info(&s->udev->dev, "Registered as %s\n",
- video_device_node_name(&s->vdev));
-
- fe->sec_priv = s;
- fe->ops.release_sec = rtl2832_sdr_release_sec;
-
- dev_info(&s->i2c->dev, "%s: Realtek RTL2832 SDR attached\n",
- KBUILD_MODNAME);
- return fe;
-
-err_unregister_v4l2_dev:
- v4l2_device_unregister(&s->v4l2_dev);
-err_free_controls:
- v4l2_ctrl_handler_free(&s->hdl);
-err_free_mem:
- kfree(s);
- return NULL;
-}
-EXPORT_SYMBOL(rtl2832_sdr_attach);
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Realtek RTL2832 SDR driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h
deleted file mode 100644
index b865fad..0000000
--- a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Realtek RTL2832U SDR driver
- *
- * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * GNU Radio plugin "gr-kernel" for device usage will be on:
- * http://git.linuxtv.org/anttip/gr-kernel.git
- *
- * TODO:
- * Help is very highly welcome for these + all the others you could imagine:
- * - move controls to V4L2 API
- * - use libv4l2 for stream format conversions
- * - gr-kernel: switch to v4l2_mmap (current read eats a lot of cpu)
- * - SDRSharp support
- */
-
-#ifndef RTL2832_SDR_H
-#define RTL2832_SDR_H
-
-#include <linux/kconfig.h>
-#include <media/v4l2-subdev.h>
-
-/* for config struct */
-#include "rtl2832.h"
-
-#if IS_ENABLED(CONFIG_DVB_RTL2832_SDR)
-extern struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
- struct v4l2_subdev *sd);
-#else
-static inline struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c, const struct rtl2832_config *cfg,
- struct v4l2_subdev *sd)
-{
- dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__);
- return NULL;
-}
-#endif
-
-#endif /* RTL2832_SDR_H */
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 16/18] rtl2832_sdr: put complex U16 format behind module parameter
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (13 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 15/18] rtl2832_sdr: move from staging to media Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 17/18] rtl2832_sdr: print notice to point SDR API is not 100% stable yet Antti Palosaari
2014-07-15 1:09 ` [PATCH 18/18] MAINTAINERS: update RTL2832_SDR location Antti Palosaari
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
Move emulated format behind module parameter as those are not
supported. Format conversions will be on library eventually.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/dvb-frontends/rtl2832_sdr.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 093df6b..06a66eb 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -35,6 +35,10 @@
#include <linux/jiffies.h>
#include <linux/math64.h>
+static bool rtl2832_sdr_emulated_fmt;
+module_param_named(emulated_formats, rtl2832_sdr_emulated_fmt, bool, 0644);
+MODULE_PARM_DESC(emulated_formats, "enable emulated formats (disappears in future)");
+
#define MAX_BULK_BUFS (10)
#define BULK_BUFFER_SIZE (128 * 512)
@@ -84,10 +88,10 @@ struct rtl2832_sdr_format {
static struct rtl2832_sdr_format formats[] = {
{
- .name = "IQ U8",
+ .name = "Complex U8",
.pixelformat = V4L2_SDR_FMT_CU8,
}, {
- .name = "IQ U16LE (emulated)",
+ .name = "Complex U16LE (emulated)",
.pixelformat = V4L2_SDR_FMT_CU16LE,
},
};
@@ -139,6 +143,7 @@ struct rtl2832_sdr_state {
unsigned int f_adc, f_tuner;
u32 pixelformat;
+ unsigned int num_formats;
/* Controls */
struct v4l2_ctrl_handler hdl;
@@ -1195,7 +1200,7 @@ static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv,
struct rtl2832_sdr_state *s = video_drvdata(file);
dev_dbg(&s->udev->dev, "%s:\n", __func__);
- if (f->index >= NUM_FORMATS)
+ if (f->index >= s->num_formats)
return -EINVAL;
strlcpy(f->description, formats[f->index].name, sizeof(f->description));
@@ -1229,7 +1234,7 @@ static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv,
return -EBUSY;
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
+ for (i = 0; i < s->num_formats; i++) {
if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
s->pixelformat = f->fmt.sdr.pixelformat;
return 0;
@@ -1251,7 +1256,7 @@ static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv,
(char *)&f->fmt.sdr.pixelformat);
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
+ for (i = 0; i < s->num_formats; i++) {
if (formats[i].pixelformat == f->fmt.sdr.pixelformat)
return 0;
}
@@ -1391,6 +1396,9 @@ struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
s->f_adc = bands_adc[0].rangelow;
s->f_tuner = bands_fm[0].rangelow;
s->pixelformat = V4L2_SDR_FMT_CU8;
+ s->num_formats = NUM_FORMATS;
+ if (rtl2832_sdr_emulated_fmt == false)
+ s->num_formats -= 1;
mutex_init(&s->v4l2_lock);
mutex_init(&s->vb_queue_lock);
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 17/18] rtl2832_sdr: print notice to point SDR API is not 100% stable yet
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (14 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 16/18] rtl2832_sdr: put complex U16 format behind module parameter Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
2014-07-15 1:09 ` [PATCH 18/18] MAINTAINERS: update RTL2832_SDR location Antti Palosaari
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
SDR API is very new and surprises may occur. Due to that print
notice to remind possible users.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
drivers/media/dvb-frontends/rtl2832_sdr.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index 06a66eb..ae52974 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -1488,6 +1488,9 @@ struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
dev_info(&s->i2c->dev, "%s: Realtek RTL2832 SDR attached\n",
KBUILD_MODNAME);
+ dev_notice(&s->udev->dev,
+ "%s: SDR API is still slightly experimental and functionality changes may follow\n",
+ KBUILD_MODNAME);
return fe;
err_unregister_v4l2_dev:
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
* [PATCH 18/18] MAINTAINERS: update RTL2832_SDR location
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
` (15 preceding siblings ...)
2014-07-15 1:09 ` [PATCH 17/18] rtl2832_sdr: print notice to point SDR API is not 100% stable yet Antti Palosaari
@ 2014-07-15 1:09 ` Antti Palosaari
16 siblings, 0 replies; 18+ messages in thread
From: Antti Palosaari @ 2014-07-15 1:09 UTC (permalink / raw)
To: linux-media; +Cc: Antti Palosaari
It is moved out of staging to media.
Signed-off-by: Antti Palosaari <crope@iki.fi>
---
MAINTAINERS | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index 798c138..b5b4c43 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7478,7 +7478,7 @@ W: http://palosaari.fi/linux/
Q: http://patchwork.linuxtv.org/project/linux-media/list/
T: git git://linuxtv.org/anttip/media_tree.git
S: Maintained
-F: drivers/staging/media/rtl2832u_sdr/rtl2832_sdr*
+F: drivers/media/dvb-frontends/rtl2832_sdr*
RTL8180 WIRELESS DRIVER
M: "John W. Linville" <linville@tuxdriver.com>
--
1.9.3
^ permalink raw reply related [flat|nested] 18+ messages in thread
end of thread, other threads:[~2014-07-15 1:09 UTC | newest]
Thread overview: 18+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-07-15 1:09 [PATCH 01/18] v4l: uapi: add SDR format RU12LE Antti Palosaari
2014-07-15 1:09 ` [PATCH 02/18] DocBook: V4L: add V4L2_SDR_FMT_RU12LE - 'RU12' Antti Palosaari
2014-07-15 1:09 ` [PATCH 03/18] v4l: uapi: add SDR format CS8 Antti Palosaari
2014-07-15 1:09 ` [PATCH 04/18] DocBook: V4L: add V4L2_SDR_FMT_CS8 - 'CS08' Antti Palosaari
2014-07-15 1:09 ` [PATCH 05/18] v4l: uapi: add SDR format CS14 Antti Palosaari
2014-07-15 1:09 ` [PATCH 06/18] DocBook: V4L: add V4L2_SDR_FMT_CS14LE - 'CS14' Antti Palosaari
2014-07-15 1:09 ` [PATCH 07/18] msi001: move out of staging Antti Palosaari
2014-07-15 1:09 ` [PATCH 08/18] MAINTAINERS: update MSI001 driver location Antti Palosaari
2014-07-15 1:09 ` [PATCH 09/18] Kconfig: add SDR support Antti Palosaari
2014-07-15 1:09 ` [PATCH 10/18] Kconfig: sub-driver auto-select SPI bus Antti Palosaari
2014-07-15 1:09 ` [PATCH 11/18] msi2500: move msi3101 out of staging and rename Antti Palosaari
2014-07-15 1:09 ` [PATCH 12/18] MAINTAINERS: update MSI3101 / MSI2500 driver location Antti Palosaari
2014-07-15 1:09 ` [PATCH 13/18] msi2500: change supported formats Antti Palosaari
2014-07-15 1:09 ` [PATCH 14/18] msi2500: print notice to point SDR API is not 100% stable yet Antti Palosaari
2014-07-15 1:09 ` [PATCH 15/18] rtl2832_sdr: move from staging to media Antti Palosaari
2014-07-15 1:09 ` [PATCH 16/18] rtl2832_sdr: put complex U16 format behind module parameter Antti Palosaari
2014-07-15 1:09 ` [PATCH 17/18] rtl2832_sdr: print notice to point SDR API is not 100% stable yet Antti Palosaari
2014-07-15 1:09 ` [PATCH 18/18] MAINTAINERS: update RTL2832_SDR location Antti Palosaari
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