From: Kalle Valo <kalle.valo@iki.fi>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org
Subject: [PATCH 08/23] wl1251: add sdio support
Date: Fri, 07 Aug 2009 13:33:42 +0300 [thread overview]
Message-ID: <20090807103342.31717.95260.stgit@tikku> (raw)
In-Reply-To: <20090807102732.31717.84006.stgit@tikku>
From: Bob Copeland <me@bobcopeland.com>
This adds the wl1251_sdio module, enabling the SDIO interface for
wl1251, as used by the Google G1 phone and others.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
---
drivers/net/wireless/wl12xx/Kconfig | 11 ++
drivers/net/wireless/wl12xx/Makefile | 1
drivers/net/wireless/wl12xx/wl1251_sdio.c | 188 +++++++++++++++++++++++++++++
3 files changed, 200 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/wireless/wl12xx/wl1251_sdio.c
diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig
index e47d076..3c8b2cd 100644
--- a/drivers/net/wireless/wl12xx/Kconfig
+++ b/drivers/net/wireless/wl12xx/Kconfig
@@ -27,3 +27,14 @@ config WL1251_SPI
If you choose to build a module, it'll be called wl1251_spi.
Say N if unsure.
+
+config WL1251_SDIO
+ tristate "TI wl1251 SDIO support"
+ depends on WL1251 && MMC
+ ---help---
+ This module adds support for the SDIO interface of adapters using
+ TI wl1251 chipset. Select this if your platform is using
+ the SDIO bus.
+
+ If you choose to build a module, it'll be called
+ wl1251_sdio. Say N if unsure.
diff --git a/drivers/net/wireless/wl12xx/Makefile b/drivers/net/wireless/wl12xx/Makefile
index ebf623a..f7f84d4 100644
--- a/drivers/net/wireless/wl12xx/Makefile
+++ b/drivers/net/wireless/wl12xx/Makefile
@@ -5,3 +5,4 @@ wl1251-objs = wl1251_main.o wl1251_event.o \
obj-$(CONFIG_WL1251) += wl1251.o
obj-$(CONFIG_WL1251_SPI) += wl1251_spi.o
+obj-$(CONFIG_WL1251_SDIO) += wl1251_sdio.o
diff --git a/drivers/net/wireless/wl12xx/wl1251_sdio.c b/drivers/net/wireless/wl12xx/wl1251_sdio.c
new file mode 100644
index 0000000..f1d9e76
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/wl1251_sdio.c
@@ -0,0 +1,188 @@
+/*
+ * wl12xx SDIO routines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ * Copyright (C) 2005 Texas Instruments Incorporated
+ * Copyright (C) 2008 Google Inc
+ * Copyright (C) 2009 Bob Copeland (me@bobcopeland.com)
+ */
+#include <linux/module.h>
+#include <linux/crc7.h>
+#include <linux/mod_devicetable.h>
+#include <linux/irq.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+#include <linux/platform_device.h>
+
+#include "wl1251.h"
+#include "wl12xx_80211.h"
+#include "reg.h"
+#include "wl1251_ps.h"
+#include "wl1251_io.h"
+#include "wl1251_tx.h"
+#include "wl1251_debugfs.h"
+
+#ifndef SDIO_VENDOR_ID_TI
+#define SDIO_VENDOR_ID_TI 0x104c
+#endif
+
+#ifndef SDIO_DEVICE_ID_TI_WL1251
+#define SDIO_DEVICE_ID_TI_WL1251 0x9066
+#endif
+
+static struct sdio_func *wl_to_func(struct wl1251 *wl)
+{
+ return wl->if_priv;
+}
+
+static void wl1251_sdio_interrupt(struct sdio_func *func)
+{
+ wl1251_irq(0, sdio_get_drvdata(func));
+}
+
+static const struct sdio_device_id wl1251_devices[] = {
+ { SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1251) },
+ {}
+};
+MODULE_DEVICE_TABLE(sdio, wl1251_devices);
+
+
+void wl1251_sdio_read(struct wl1251 *wl, int addr, void *buf, size_t len)
+{
+ int ret;
+ struct sdio_func *func = wl_to_func(wl);
+
+ sdio_claim_host(func);
+ ret = sdio_memcpy_fromio(func, buf, addr, len);
+ if (ret)
+ wl1251_error("sdio read failed (%d)", ret);
+ sdio_release_host(func);
+}
+
+void wl1251_sdio_write(struct wl1251 *wl, int addr, void *buf, size_t len)
+{
+ int ret;
+ struct sdio_func *func = wl_to_func(wl);
+
+ sdio_claim_host(func);
+ ret = sdio_memcpy_toio(func, addr, buf, len);
+ if (ret)
+ wl1251_error("sdio write failed (%d)", ret);
+ sdio_release_host(func);
+}
+
+void wl1251_sdio_reset(struct wl1251 *wl)
+{
+}
+
+void wl1251_sdio_set_power(bool enable)
+{
+}
+
+struct wl1251_if_operations wl1251_sdio_ops = {
+ .read = wl1251_sdio_read,
+ .write = wl1251_sdio_write,
+ .reset = wl1251_sdio_reset,
+};
+
+int wl1251_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
+{
+ int ret;
+ struct wl1251 *wl;
+ struct ieee80211_hw *hw;
+
+ hw = wl1251_alloc_hw();
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+
+ wl = hw->priv;
+
+ sdio_claim_host(func);
+ ret = sdio_enable_func(func);
+ if (ret)
+ goto release;
+
+ sdio_set_block_size(func, 512);
+
+ SET_IEEE80211_DEV(hw, &func->dev);
+ wl->if_priv = func;
+ wl->if_ops = &wl1251_sdio_ops;
+ wl->set_power = wl1251_sdio_set_power;
+
+ sdio_release_host(func);
+ ret = wl1251_init_ieee80211(wl);
+ sdio_claim_host(func);
+ if (ret)
+ goto disable;
+
+ ret = sdio_claim_irq(func, wl1251_sdio_interrupt);
+ if (ret)
+ goto no_irq;
+
+ sdio_release_host(func);
+ sdio_set_drvdata(func, wl);
+ return ret;
+
+no_irq:
+ wl1251_free_hw(wl);
+disable:
+ sdio_disable_func(func);
+release:
+ sdio_release_host(func);
+ return ret;
+}
+
+static void __devexit wl1251_sdio_remove(struct sdio_func *func)
+{
+ struct wl1251 *wl = sdio_get_drvdata(func);
+
+ wl1251_free_hw(wl);
+
+ sdio_claim_host(func);
+ sdio_release_irq(func);
+ sdio_disable_func(func);
+ sdio_release_host(func);
+}
+
+static struct sdio_driver wl1251_sdio_driver = {
+ .name = "wl1251_sdio",
+ .id_table = wl1251_devices,
+ .probe = wl1251_sdio_probe,
+ .remove = __devexit_p(wl1251_sdio_remove),
+};
+
+static int __init wl1251_sdio_init(void)
+{
+ int err;
+
+ err = sdio_register_driver(&wl1251_sdio_driver);
+ if (err)
+ wl1251_error("failed to register sdio driver: %d", err);
+ return err;
+}
+
+static void __exit wl1251_sdio_exit(void)
+{
+ sdio_unregister_driver(&wl1251_sdio_driver);
+ wl1251_notice("unloaded");
+}
+
+module_init(wl1251_sdio_init);
+module_exit(wl1251_sdio_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>");
+MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
next prev parent reply other threads:[~2009-08-07 10:33 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-07 10:32 [PATCH 00/23] wl1251 sdio support Kalle Valo
2009-08-07 10:32 ` [PATCH 01/23] wl1251: remove fixed address support from spi commands Kalle Valo
2009-08-07 10:32 ` [PATCH 02/23] wl1251: separate bus i/o code into io.c Kalle Valo
2009-08-07 10:33 ` [PATCH 03/23] wl1251: use wiphy_dev instead of wl->spi->dev Kalle Valo
2009-08-07 10:33 ` [PATCH 04/23] wl1251: introduce wl1251_if_operations struct Kalle Valo
2009-08-07 10:33 ` [PATCH 05/23] wl1251: make wl1251_set_partition bus agnostic Kalle Valo
2009-08-07 10:33 ` [PATCH 06/23] wl1251: move module probe methods into spi.c Kalle Valo
2009-08-07 10:33 ` [PATCH 07/23] wl1251: split spi interface into separate module Kalle Valo
2009-08-07 10:33 ` Kalle Valo [this message]
2009-08-07 10:33 ` [PATCH 09/23] wl1251: make irq handling interface specific Kalle Valo
2009-08-07 10:33 ` [PATCH 10/23] wl1251: remove wl1251_ops Kalle Valo
2009-08-07 10:34 ` [PATCH 11/23] wl1251: reorder wl1251_cmd_join() arguments Kalle Valo
2009-08-07 10:34 ` [PATCH 12/23] wl1251: use beacon interval and dtim period provided by mac80211 Kalle Valo
2009-08-07 10:34 ` [PATCH 13/23] wl1251: remove wait parameter from wl1251_cmd_join() Kalle Valo
2009-08-07 10:34 ` [PATCH 14/23] wl1251: initialise default channel to zero Kalle Valo
2009-08-07 10:34 ` [PATCH 15/23] wl1251: add channel to wl1251_cmd_join() parameters Kalle Valo
2009-08-07 10:34 ` [PATCH 16/23] wl1251: create wl1251_join() Kalle Valo
2009-08-07 10:34 ` [PATCH 17/23] wl1251: fix channel setting in wl1251_op_config() Kalle Valo
2009-08-07 10:34 ` [PATCH 18/23] wl1251: move wl1251_acx_wake_up_conditions() to wl1251_ps_set_mode() Kalle Valo
2009-08-07 10:35 ` [PATCH 19/23] wl1251: use workqueue provided by mac80211 Kalle Valo
2009-08-07 10:35 ` [PATCH 20/23] wl1251: rename reg.h to wl1251_reg.h Kalle Valo
2009-08-07 10:35 ` [PATCH 21/23] wl1251: remove Luciano as maintainer Kalle Valo
2009-08-07 10:46 ` Luciano Coelho
2009-08-07 10:35 ` [PATCH 22/23] wl1251: add hw scan completed debug message Kalle Valo
2009-08-07 10:35 ` [PATCH 23/23] wl1251: hack to disable filters for fixing association Kalle Valo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090807103342.31717.95260.stgit@tikku \
--to=kalle.valo@iki.fi \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).