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ARM: mach-shmobile: Mackerel VGA camera support 

Add VGA camera support to the Mackerel board
using soc_camera_platform.

The VGA camera module is hooked up using the
8-bit CEU bus, and it is constantly bursting
out frames in fixed video mode setting. The
camera module does not allow any I2C control.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2010-12-22 14:47:40 +00:00 committed by Paul Mundt
parent 354e4157d9
commit ae37c8de74
1 changed files with 125 additions and 1 deletions
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126
arch/arm/mach-shmobile/board-mackerel.c
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@ -44,7 +44,9 @@
#include <linux/usb/r8a66597.h>
#include <video/sh_mobile_lcdc.h>
#include <media/sh_mobile_ceu.h>
#include <media/soc_camera.h>
#include <media/soc_camera_platform.h>
#include <sound/sh_fsi.h>
#include <mach/common.h>
@ -595,6 +597,111 @@ static struct platform_device sh_mmcif_device = {
.resource = sh_mmcif_resources,
};
static int mackerel_camera_add(struct soc_camera_link *icl, struct device *dev);
static void mackerel_camera_del(struct soc_camera_link *icl);
static int camera_set_capture(struct soc_camera_platform_info *info,
int enable)
{
return 0; /* camera sensor always enabled */
}
static struct soc_camera_platform_info camera_info = {
.format_name = "UYVY",
.format_depth = 16,
.format = {
.code = V4L2_MBUS_FMT_UYVY8_2X8,
.colorspace = V4L2_COLORSPACE_SMPTE170M,
.field = V4L2_FIELD_NONE,
.width = 640,
.height = 480,
},
.bus_param = SOCAM_PCLK_SAMPLE_RISING | SOCAM_HSYNC_ACTIVE_HIGH |
SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_MASTER | SOCAM_DATAWIDTH_8 |
SOCAM_DATA_ACTIVE_HIGH,
.set_capture = camera_set_capture,
};
static struct soc_camera_link camera_link = {
.bus_id = 0,
.add_device = mackerel_camera_add,
.del_device = mackerel_camera_del,
.module_name = "soc_camera_platform",
.priv = &camera_info,
};
static void dummy_release(struct device *dev)
{
}
static struct platform_device camera_device = {
.name = "soc_camera_platform",
.dev = {
.platform_data = &camera_info,
.release = dummy_release,
},
};
static int mackerel_camera_add(struct soc_camera_link *icl,
struct device *dev)
{
if (icl != &camera_link)
return -ENODEV;
camera_info.dev = dev;
return platform_device_register(&camera_device);
}
static void mackerel_camera_del(struct soc_camera_link *icl)
{
if (icl != &camera_link)
return;
platform_device_unregister(&camera_device);
memset(&camera_device.dev.kobj, 0,
sizeof(camera_device.dev.kobj));
}
static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
.flags = SH_CEU_FLAG_USE_8BIT_BUS,
};
static struct resource ceu_resources[] = {
[0] = {
.name = "CEU",
.start = 0xfe910000,
.end = 0xfe91009f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = intcs_evt2irq(0x880),
.flags = IORESOURCE_IRQ,
},
[2] = {
/* place holder for contiguous memory */
},
};
static struct platform_device ceu_device = {
.name = "sh_mobile_ceu",
.id = 0, /* "ceu0" clock */
.num_resources = ARRAY_SIZE(ceu_resources),
.resource = ceu_resources,
.dev = {
.platform_data = &sh_mobile_ceu_info,
},
};
static struct platform_device mackerel_camera = {
.name = "soc-camera-pdrv",
.id = 0,
.dev = {
.platform_data = &camera_link,
},
};
static struct platform_device *mackerel_devices[] __initdata = {
&nor_flash_device,
&smc911x_device,
@ -609,6 +716,8 @@ static struct platform_device *mackerel_devices[] __initdata = {
#endif
&sdhi2_device,
&sh_mmcif_device,
&ceu_device,
&mackerel_camera,
};
/* Keypad Initialization */
@ -811,6 +920,21 @@ static void __init mackerel_init(void)
gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
/* CEU */
gpio_request(GPIO_FN_VIO_CLK, NULL);
gpio_request(GPIO_FN_VIO_VD, NULL);
gpio_request(GPIO_FN_VIO_HD, NULL);
gpio_request(GPIO_FN_VIO_FIELD, NULL);
gpio_request(GPIO_FN_VIO_CKO, NULL);
gpio_request(GPIO_FN_VIO_D7, NULL);
gpio_request(GPIO_FN_VIO_D6, NULL);
gpio_request(GPIO_FN_VIO_D5, NULL);
gpio_request(GPIO_FN_VIO_D4, NULL);
gpio_request(GPIO_FN_VIO_D3, NULL);
gpio_request(GPIO_FN_VIO_D2, NULL);
gpio_request(GPIO_FN_VIO_D1, NULL);
gpio_request(GPIO_FN_VIO_D0, NULL);
i2c_register_board_info(0, i2c0_devices,
ARRAY_SIZE(i2c0_devices));
i2c_register_board_info(1, i2c1_devices,