[Resubmit: PATCH-V2] AM3517: Add VPFE Capture driver support

* [Resubmit: PATCH-V2] AM3517: Add VPFE Capture driver support
@ 2010-03-19  9:37 hvaibhav
  2010-05-04 23:18 ` Tony Lindgren
  0 siblings, 1 reply; 3+ messages in thread
From: hvaibhav @ 2010-03-19  9:37 UTC (permalink / raw)
  To: linux-omap; +Cc: linux-media, Vaibhav Hiremath

From: Vaibhav Hiremath <hvaibhav@ti.com>

AM3517 and DM644x uses same CCDC IP, so reusing the driver
for AM3517.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
---
 arch/arm/mach-omap2/board-am3517evm.c |  160 +++++++++++++++++++++++++++++++++
 1 files changed, 160 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index f04311f..d2d2ced 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -30,11 +30,164 @@

 #include <plat/board.h>
 #include <plat/common.h>
+#include <plat/control.h>
 #include <plat/usb.h>
 #include <plat/display.h>

+#include <media/tvp514x.h>
+#include <media/ti-media/vpfe_capture.h>
+
 #include "mux.h"

+/*
+ * VPFE - Video Decoder interface
+ */
+#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,
+	},
+};
+
+static struct tvp514x_platform_data tvp5146_pdata = {
+	.clk_polarity	= 0,
+	.hs_polarity	= 1,
+	.vs_polarity	= 1
+};
+
+static struct vpfe_route tvp5146_routes[] = {
+	{
+		.input	= INPUT_CVBS_VI1A,
+		.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,
+		},
+		.board_info	= {
+			I2C_BOARD_INFO("tvp5146", 0x5C),
+			.platform_data = &tvp5146_pdata,
+		},
+	},
+};
+
+static void am3517_evm_clear_vpfe_intr(int vdint)
+{
+	unsigned int vpfe_int_clr;
+
+	vpfe_int_clr = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+
+	switch (vdint) {
+	/* VD0 interrrupt */
+	case INT_35XX_CCDC_VD0_IRQ:
+		vpfe_int_clr &= ~AM35XX_VPFE_CCDC_VD0_INT_CLR;
+		vpfe_int_clr |= AM35XX_VPFE_CCDC_VD0_INT_CLR;
+		break;
+	/* VD1 interrrupt */
+	case INT_35XX_CCDC_VD1_IRQ:
+		vpfe_int_clr &= ~AM35XX_VPFE_CCDC_VD1_INT_CLR;
+		vpfe_int_clr |= AM35XX_VPFE_CCDC_VD1_INT_CLR;
+		break;
+	/* VD2 interrrupt */
+	case INT_35XX_CCDC_VD2_IRQ:
+		vpfe_int_clr &= ~AM35XX_VPFE_CCDC_VD2_INT_CLR;
+		vpfe_int_clr |= AM35XX_VPFE_CCDC_VD2_INT_CLR;
+		break;
+	/* Clear all interrrupts */
+	default:
+		vpfe_int_clr &= ~(AM35XX_VPFE_CCDC_VD0_INT_CLR |
+				AM35XX_VPFE_CCDC_VD1_INT_CLR |
+				AM35XX_VPFE_CCDC_VD2_INT_CLR);
+		vpfe_int_clr |= (AM35XX_VPFE_CCDC_VD0_INT_CLR |
+				AM35XX_VPFE_CCDC_VD1_INT_CLR |
+				AM35XX_VPFE_CCDC_VD2_INT_CLR);
+		break;
+	}
+	omap_ctrl_writel(vpfe_int_clr, AM35XX_CONTROL_LVL_INTR_CLEAR);
+	vpfe_int_clr = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
+}
+
+static struct vpfe_config vpfe_cfg = {
+	.num_subdevs	= ARRAY_SIZE(vpfe_sub_devs),
+	.i2c_adapter_id	= 3,
+	.sub_devs	= vpfe_sub_devs,
+	.clr_intr	= am3517_evm_clear_vpfe_intr,
+	.card_name	= "DM6446 EVM",
+	.ccdc		= "DM6446 CCDC",
+};
+
+static struct resource vpfe_resources[] = {
+	{
+		.start	= INT_35XX_CCDC_VD0_IRQ,
+		.end	= INT_35XX_CCDC_VD0_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= INT_35XX_CCDC_VD1_IRQ,
+		.end	= INT_35XX_CCDC_VD1_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+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),
+		.platform_data		= &vpfe_cfg,
+	},
+};
+
+static struct resource dm644x_ccdc_resource[] = {
+	/* CCDC Base address */
+	{
+		.start	= AM35XX_IPSS_VPFE_BASE,
+		.end	= AM35XX_IPSS_VPFE_BASE + 0xffff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device dm644x_ccdc_dev = {
+	.name		= "dm644x_ccdc",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(dm644x_ccdc_resource),
+	.resource	= dm644x_ccdc_resource,
+	.dev = {
+		.dma_mask		= &vpfe_capture_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+
 #define LCD_PANEL_PWR		176
 #define LCD_PANEL_BKLIGHT_PWR	182
 #define LCD_PANEL_PWM		181
@@ -261,6 +414,8 @@ static struct omap_board_config_kernel am3517_evm_config[] __initdata = {

 static struct platform_device *am3517_evm_devices[] __initdata = {
 	&am3517_evm_dss_device,
+	&dm644x_ccdc_dev,
+	&vpfe_capture_dev,
 };

 static void __init am3517_evm_init_irq(void)
@@ -313,6 +468,11 @@ static void __init am3517_evm_init(void)

 	i2c_register_board_info(1, am3517evm_i2c_boardinfo,
 				ARRAY_SIZE(am3517evm_i2c_boardinfo));
+
+	clk_add_alias("master", "dm644x_ccdc", "master",
+			&vpfe_capture_dev.dev);
+	clk_add_alias("slave", "dm644x_ccdc", "slave",
+			&vpfe_capture_dev.dev);
 }

 static void __init am3517_evm_map_io(void)
--
1.6.2.4


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