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From: Simon Glass <sjg@chromium.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v5 14/19] video: arm: rpi: Move the video query out of the driver
Date: Sat,  1 Apr 2017 12:05:51 -0600	[thread overview]
Message-ID: <20170401180556.2416-15-sjg@chromium.org> (raw)
In-Reply-To: <20170401180556.2416-1-sjg@chromium.org>

Add a function to get the video size to the msg handler and remove it from
the video driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
---

Changes in v5: None
Changes in v4: None
Changes in v3: None

 arch/arm/mach-bcm283x/include/mach/msg.h |  9 +++++++++
 arch/arm/mach-bcm283x/msg.c              | 26 ++++++++++++++++++++++++++
 drivers/video/bcm2835.c                  | 20 +++-----------------
 3 files changed, 38 insertions(+), 17 deletions(-)

diff --git a/arch/arm/mach-bcm283x/include/mach/msg.h b/arch/arm/mach-bcm283x/include/mach/msg.h
index 8fd4ace124..c785c43a67 100644
--- a/arch/arm/mach-bcm283x/include/mach/msg.h
+++ b/arch/arm/mach-bcm283x/include/mach/msg.h
@@ -22,4 +22,13 @@ int bcm2835_power_on_module(u32 module);
  */
 int bcm2835_get_mmc_clock(void);
 
+/**
+ * bcm2835_get_video_size() - get the current display size
+ *
+ * @widthp: Returns the width in pixels
+ * @heightp: Returns the height in pixels
+ * @return 0 if OK, -ve on error
+ */
+int bcm2835_get_video_size(int *widthp, int *heightp);
+
 #endif
diff --git a/arch/arm/mach-bcm283x/msg.c b/arch/arm/mach-bcm283x/msg.c
index facb916711..17266c01a6 100644
--- a/arch/arm/mach-bcm283x/msg.c
+++ b/arch/arm/mach-bcm283x/msg.c
@@ -6,6 +6,7 @@
 
 #include <common.h>
 #include <memalign.h>
+#include <phys2bus.h>
 #include <asm/arch/mbox.h>
 
 struct msg_set_power_state {
@@ -20,6 +21,12 @@ struct msg_get_clock_rate {
 	u32 end_tag;
 };
 
+struct msg_query {
+	struct bcm2835_mbox_hdr hdr;
+	struct bcm2835_mbox_tag_physical_w_h physical_w_h;
+	u32 end_tag;
+};
+
 int bcm2835_power_on_module(u32 module)
 {
 	ALLOC_CACHE_ALIGN_BUFFER(struct msg_set_power_state, msg_pwr, 1);
@@ -65,3 +72,22 @@ int bcm2835_get_mmc_clock(void)
 
 	return msg_clk->get_clock_rate.body.resp.rate_hz;
 }
+
+int bcm2835_get_video_size(int *widthp, int *heightp)
+{
+	ALLOC_CACHE_ALIGN_BUFFER(struct msg_query, msg_query, 1);
+	int ret;
+
+	BCM2835_MBOX_INIT_HDR(msg_query);
+	BCM2835_MBOX_INIT_TAG_NO_REQ(&msg_query->physical_w_h,
+				     GET_PHYSICAL_W_H);
+	ret = bcm2835_mbox_call_prop(BCM2835_MBOX_PROP_CHAN, &msg_query->hdr);
+	if (ret) {
+		printf("bcm2835: Could not query display resolution\n");
+		return ret;
+	}
+	*widthp = msg_query->physical_w_h.body.resp.width;
+	*heightp = msg_query->physical_w_h.body.resp.height;
+
+	return 0;
+}
diff --git a/drivers/video/bcm2835.c b/drivers/video/bcm2835.c
index cc6454f10d..eb137be11c 100644
--- a/drivers/video/bcm2835.c
+++ b/drivers/video/bcm2835.c
@@ -9,6 +9,7 @@
 #include <memalign.h>
 #include <phys2bus.h>
 #include <asm/arch/mbox.h>
+#include <asm/arch/msg.h>
 #include <asm/global_data.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -18,12 +19,6 @@ vidinfo_t panel_info;
 
 static u32 bcm2835_pitch;
 
-struct msg_query {
-	struct bcm2835_mbox_hdr hdr;
-	struct bcm2835_mbox_tag_physical_w_h physical_w_h;
-	u32 end_tag;
-};
-
 struct msg_setup {
 	struct bcm2835_mbox_hdr hdr;
 	struct bcm2835_mbox_tag_physical_w_h physical_w_h;
@@ -40,27 +35,18 @@ struct msg_setup {
 
 void lcd_ctrl_init(void *lcdbase)
 {
-	ALLOC_CACHE_ALIGN_BUFFER(struct msg_query, msg_query, 1);
 	ALLOC_CACHE_ALIGN_BUFFER(struct msg_setup, msg_setup, 1);
 	int ret;
-	u32 w, h;
+	int w, h;
 	u32 fb_start, fb_end;
 
 	debug("bcm2835: Query resolution...\n");
-
-	BCM2835_MBOX_INIT_HDR(msg_query);
-	BCM2835_MBOX_INIT_TAG_NO_REQ(&msg_query->physical_w_h,
-					GET_PHYSICAL_W_H);
-	ret = bcm2835_mbox_call_prop(BCM2835_MBOX_PROP_CHAN, &msg_query->hdr);
+	ret = bcm2835_get_video_size(&w, &h);
 	if (ret) {
-		printf("bcm2835: Could not query display resolution\n");
 		/* FIXME: How to disable the LCD to prevent errors? hang()? */
 		return;
 	}
 
-	w = msg_query->physical_w_h.body.resp.width;
-	h = msg_query->physical_w_h.body.resp.height;
-
 	debug("bcm2835: Setting up display for %d x %d\n", w, h);
 
 	BCM2835_MBOX_INIT_HDR(msg_setup);
-- 
2.12.2.564.g063fe858b8-goog

  parent reply	other threads:[~2017-04-01 18:05 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-01 18:05 [U-Boot] [PATCH v5 00/19] arm: rpi: Enable USB, Ethernet, MMC, Video driver model on Raspberry Pi Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 01/19] net: smsc95xx: Correct free_pkt() implementation Simon Glass
2017-04-02 17:46   ` Joe Hershberger
2017-04-01 18:05 ` [U-Boot] [PATCH v5 02/19] usb: dwc2: Use separate input and output buffers Simon Glass
2017-04-01 20:15   ` Marek Vasut
2017-04-01 23:40     ` Simon Glass
2017-04-02  3:01       ` Marek Vasut
2017-04-02 13:10         ` Stefan Bruens
2017-04-02 15:43           ` Simon Glass
2017-04-02 21:34             ` Stefan Bruens
2017-04-02 23:23               ` Simon Glass
2017-04-03 14:26                 ` Brüns, Stefan
2017-04-03 15:38                   ` Simon Glass
2017-04-03 18:18                     ` Brüns, Stefan
2017-04-03 18:24                       ` Brüns, Stefan
2017-04-03 20:10                         ` Simon Glass
2017-04-03 20:10                       ` Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 03/19] dm: mmc: Set up the MMC device when controller is probed Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 04/19] dm: video: Correct line clearing code Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 05/19] string: Use memcpy() within memmove() when we can Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 06/19] arm: rpi: Drop the GPIO device addresses Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 07/19] arm: rpi: Drop CONFIG_CONS_INDEX Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 08/19] dm: arm: rpi: Move to driver model for USB Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 09/19] dm: arm: rpi: Use driver model for Ethernet Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 10/19] arm: rpi: Add a file to handle messages Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 11/19] arm: rpi: Add a function to obtain the MMC clock Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 12/19] dm: mmc: rpi: Convert Raspberry Pi to driver model for MMC Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 13/19] dm: arm: rpi: Drop CONFIG_OF_EMBED Simon Glass
2017-04-01 18:05 ` Simon Glass [this message]
2017-04-01 18:05 ` [U-Boot] [PATCH v5 15/19] video: arm: rpi: Move the video settings out of the driver Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 16/19] dm: video: Refactor lcd_simplefb to prepare for driver model Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 17/19] dm: video: Add driver-model support to lcd_simplefb Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 18/19] dm: video: arm: rpi: Convert to use driver model for video Simon Glass
2017-04-01 18:05 ` [U-Boot] [PATCH v5 19/19] arm: rpi: Add a TODO to move all messages into the msg handler Simon Glass
2017-04-01 19:05 ` [U-Boot] [PATCH v5 00/19] arm: rpi: Enable USB, Ethernet, MMC, Video driver model on Raspberry Pi Stefan Bruens

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