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Visstrim SM10: Use mo_version to decide board video mode.

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If the mother board version number is odd, emmaprp() for
format conversion + UVC camera will be used.

Otherwise mx2_camera and m2m-deinterlacer will be registered.

For both cases Coda video codec is registered.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Javier Martin 2012-08-20 12:13:01 +02:00 committed by Sascha Hauer
parent 8f0d8163b5
commit 038bdf63a7
1 changed files with 47 additions and 5 deletions
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52
arch/arm/mach-imx/mach-imx27_visstrim_m10.c
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@ -51,6 +51,10 @@
#define OTG_PHY_CS_GPIO (GPIO_PORTF + 17) #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
#define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25) #define SDHC1_IRQ_GPIO IMX_GPIO_NR(2, 25)
#define VERSION_MASK 0x7
#define MOTHERBOARD_SHIFT 4
#define EXPBOARD_SHIFT 0
#define MOTHERBOARD_BIT2 (GPIO_PORTD + 31) #define MOTHERBOARD_BIT2 (GPIO_PORTD + 31)
#define MOTHERBOARD_BIT1 (GPIO_PORTD + 30) #define MOTHERBOARD_BIT1 (GPIO_PORTD + 30)
#define MOTHERBOARD_BIT0 (GPIO_PORTD + 29) #define MOTHERBOARD_BIT0 (GPIO_PORTD + 29)
@ -237,7 +241,7 @@ static struct mx2_camera_platform_data visstrim_camera = {
static phys_addr_t mx2_camera_base __initdata; static phys_addr_t mx2_camera_base __initdata;
#define MX2_CAMERA_BUF_SIZE SZ_8M #define MX2_CAMERA_BUF_SIZE SZ_8M
static void __init visstrim_camera_init(void) static void __init visstrim_analog_camera_init(void)
{ {
struct platform_device *pdev; struct platform_device *pdev;
int dma; int dma;
@ -474,6 +478,27 @@ static void __init visstrim_deinterlace_init(void)
return; return;
} }
/* Emma-PrP for format conversion */
static void __init visstrim_emmaprp_init(void)
{
struct platform_device *pdev;
int dma;
pdev = imx27_add_mx2_emmaprp();
if (IS_ERR(pdev))
return;
/*
* Use the same memory area as the analog camera since both
* devices are, by nature, exclusive.
*/
dma = dma_declare_coherent_memory(&pdev->dev,
mx2_camera_base, mx2_camera_base,
MX2_CAMERA_BUF_SIZE,
DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
if (!(dma & DMA_MEMORY_MAP))
pr_err("Failed to declare memory for emmaprp\n");
}
/* Audio */ /* Audio */
static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = { static const struct snd_mx27vis_platform_data snd_mx27vis_pdata __initconst = {
@ -507,13 +532,14 @@ static void __init visstrim_m10_revision(void)
mo_version |= !gpio_get_value(MOTHERBOARD_BIT0); mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
system_rev = 0x27000; system_rev = 0x27000;
system_rev |= (mo_version << 4); system_rev |= (mo_version << MOTHERBOARD_SHIFT);
system_rev |= exp_version; system_rev |= (exp_version << EXPBOARD_SHIFT);
} }
static void __init visstrim_m10_board_init(void) static void __init visstrim_m10_board_init(void)
{ {
int ret; int ret;
int mo_version;
imx27_soc_init(); imx27_soc_init();
visstrim_m10_revision(); visstrim_m10_revision();
@ -546,8 +572,24 @@ static void __init visstrim_m10_board_init(void)
platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0, platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
&iclink_tvp5150, sizeof(iclink_tvp5150)); &iclink_tvp5150, sizeof(iclink_tvp5150));
gpio_led_register_device(0, &visstrim_m10_led_data); gpio_led_register_device(0, &visstrim_m10_led_data);
visstrim_deinterlace_init();
visstrim_camera_init(); /* Use mother board version to decide what video devices we shall use */
mo_version = (system_rev >> MOTHERBOARD_SHIFT) & VERSION_MASK;
if (mo_version & 0x1) {
visstrim_emmaprp_init();
/*
* Despite not being used, tvp5150 must be
* powered on to avoid I2C problems. To minimize
* power consupmtion keep reset enabled.
*/
gpio_set_value(TVP5150_PWDN, 1);
ndelay(1);
gpio_set_value(TVP5150_RSTN, 0);
} else {
visstrim_deinterlace_init();
visstrim_analog_camera_init();
}
visstrim_coda_init(); visstrim_coda_init();
} }