[PATCH 8/11 - v3] DM6446 platform changes for vpfe capture driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Muralidharan Karicheri <m-karicheri2@xxxxxx>

DM644x platform and board setup

This adds plarform and board setup changes required to support
vpfe capture driver on DM644x

summary of changes:-
	1) replaced v4l2_routing structure with vpfe structure
	2) input names changed to Composite and S-Video
	3) bus parameters defined for ccdc

Reviewed by: Hans Verkuil <hverkuil@xxxxxxxxx>
Reviewed by: Laurent Pinchart <laurent.pinchart@xxxxxxxxx>
Reviewed by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Reviewed by: David Brownell <david-b@xxxxxxxxxxx>

Signed-off-by: Muralidharan Karicheri <m-karicheri2@xxxxxx>
---
Applies to Davinci GIT Tree

 arch/arm/mach-davinci/board-dm644x-evm.c    |   72 ++++++++++++++++++++++++++-
 arch/arm/mach-davinci/dm644x.c              |   56 +++++++++++++++++++++
 arch/arm/mach-davinci/include/mach/dm644x.h |    2 +
 3 files changed, 128 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index d9d4045..54f084b 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -28,7 +28,8 @@
 #include <linux/io.h>
 #include <linux/phy.h>
 #include <linux/clk.h>
-
+#include <linux/videodev2.h>
+#include <media/tvp514x.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
 
@@ -195,6 +196,62 @@ static struct platform_device davinci_fb_device = {
 	.num_resources = 0,
 };
 
+#define TVP514X_STD_ALL	(V4L2_STD_NTSC | V4L2_STD_PAL)
+/* Inputs available at the TVP5146 */
+static struct v4l2_input tvp5146_inputs[] = {
+	{
+		.index = 0,
+		.name = "Composite",
+		.type = V4L2_INPUT_TYPE_CAMERA,
+		.std = TVP514X_STD_ALL,
+	},
+	{
+		.index = 1,
+		.name = "S-Video",
+		.type = V4L2_INPUT_TYPE_CAMERA,
+		.std = TVP514X_STD_ALL,
+	},
+};
+
+/*
+ * this is the route info for connecting each input to decoder
+ * ouput that goes to vpfe. There is a one to one correspondence
+ * with tvp5146_inputs
+ */
+static struct vpfe_route tvp5146_routes[] = {
+	{
+		.input = INPUT_CVBS_VI2B,
+		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+	},
+	{
+		.input = INPUT_SVIDEO_VI2C_VI1C,
+		.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
+	},
+};
+
+static struct vpfe_subdev_info vpfe_sub_devs[] = {
+	{
+		.name = "tvp5146",
+		.grp_id = 0,
+		.num_inputs = ARRAY_SIZE(tvp5146_inputs),
+		.inputs = tvp5146_inputs,
+		.routes = tvp5146_routes,
+		.can_route = 1,
+		.ccdc_if_params = {
+			.if_type = VPFE_BT656,
+			.hdpol = VPFE_PINPOL_POSITIVE,
+			.vdpol = VPFE_PINPOL_POSITIVE,
+		},
+	},
+};
+
+static struct vpfe_config vpfe_cfg = {
+	.num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
+	.sub_devs = vpfe_sub_devs,
+	.card_name = "DM6446 EVM",
+	.ccdc = "DM6446 CCDC",
+};
+
 static struct platform_device rtc_dev = {
 	.name           = "rtc_davinci_evm",
 	.id             = -1,
@@ -447,6 +504,12 @@ static struct at24_platform_data eeprom_info = {
 	.context	= (void *)0x7f00,
 };
 
+static struct tvp514x_platform_data tvp5146_pdata = {
+	.clk_polarity = 0,
+	.hs_polarity = 1,
+	.vs_polarity = 1
+};
+
 /*
  * MSP430 supports RTC, card detection, input from IR remote, and
  * a bit more.  It triggers interrupts on GPIO(7) from pressing
@@ -558,9 +621,12 @@ static struct i2c_board_info __initdata i2c_info[] =  {
 		I2C_BOARD_INFO("24c256", 0x50),
 		.platform_data	= &eeprom_info,
 	},
+	{
+		I2C_BOARD_INFO("tvp5146", 0x5d),
+		.platform_data = &tvp5146_pdata,
+	},
 	/* ALSO:
 	 * - tvl320aic33 audio codec (0x1b)
-	 * - tvp5146 video decoder (0x5d)
 	 */
 };
 
@@ -591,6 +657,8 @@ static struct davinci_uart_config uart_config __initdata = {
 static void __init
 davinci_evm_map_io(void)
 {
+	/* setup input configuration for VPFE input devices */
+	dm644x_set_vpfe_config(&vpfe_cfg);
 	dm644x_init();
 }
 
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index dd58f08..09993cc 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -549,6 +549,59 @@ static struct platform_device dm644x_edma_device = {
 	.resource		= edma_resources,
 };
 
+static struct resource dm644x_vpss_resources[] = {
+	{
+		/* VPSS Base address */
+		.name		= "vpss",
+		.start          = 0x01c73400,
+		.end            = 0x01c73400 + 0xff,
+		.flags          = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device dm644x_vpss_device = {
+	.name			= "vpss",
+	.id			= -1,
+	.dev.platform_data	= "dm644x_vpss",
+	.num_resources		= ARRAY_SIZE(dm644x_vpss_resources),
+	.resource		= dm644x_vpss_resources,
+};
+
+static struct resource vpfe_resources[] = {
+	{
+		.start          = IRQ_VDINT0,
+		.end            = IRQ_VDINT0,
+		.flags          = IORESOURCE_IRQ,
+	},
+	{
+		.start          = IRQ_VDINT1,
+		.end            = IRQ_VDINT1,
+		.flags          = IORESOURCE_IRQ,
+	},
+	{
+		.start          = 0x01c70400,
+		.end            = 0x01c70400 + 0xff,
+		.flags          = IORESOURCE_MEM,
+	},
+};
+
+static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
+static struct platform_device vpfe_capture_dev = {
+	.name		= CAPTURE_DRV_NAME,
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(vpfe_resources),
+	.resource	= vpfe_resources,
+	.dev = {
+		.dma_mask		= &vpfe_capture_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+
+void dm644x_set_vpfe_config(struct vpfe_config *cfg)
+{
+	vpfe_capture_dev.dev.platform_data = cfg;
+}
+
 /*----------------------------------------------------------------------*/
 
 static struct map_desc dm644x_io_desc[] = {
@@ -677,6 +730,9 @@ static int __init dm644x_init_devices(void)
 
 	platform_device_register(&dm644x_edma_device);
 	platform_device_register(&dm644x_emac_device);
+	platform_device_register(&dm644x_vpss_device);
+	platform_device_register(&vpfe_capture_dev);
+
 	return 0;
 }
 postcore_initcall(dm644x_init_devices);
diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h
index 15d42b9..0066db3 100644
--- a/arch/arm/mach-davinci/include/mach/dm644x.h
+++ b/arch/arm/mach-davinci/include/mach/dm644x.h
@@ -25,6 +25,7 @@
 #include <linux/platform_device.h>
 #include <mach/hardware.h>
 #include <mach/emac.h>
+#include <media/davinci/vpfe_capture.h>
 
 #define DM644X_EMAC_BASE		(0x01C80000)
 #define DM644X_EMAC_CNTRL_OFFSET	(0x0000)
@@ -34,5 +35,6 @@
 #define DM644X_EMAC_CNTRL_RAM_SIZE	(0x2000)
 
 void __init dm644x_init(void);
+void dm644x_set_vpfe_config(struct vpfe_config *cfg);
 
 #endif /* __ASM_ARCH_DM644X_H */
-- 
1.6.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux