Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 062a15cf authored by Javier Martin's avatar Javier Martin Committed by Mauro Carvalho Chehab
Browse files

[media] i.MX27: Visstrim_M10: Add support for deinterlacing driver 



Visstrim_M10 have a tvp5150 whose video output must be deinterlaced.
The new mem2mem deinterlacing driver is very useful for that purpose.

Signed-off-by: default avatarJavier Martin <javier.martin@vista-silicon.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 84b3bd46

arch/arm/mach-imx/mach-imx27_visstrim_m10.c

+26 −1
Original line number Diff line number Diff line
@@ -233,7 +233,7 @@ static void __init visstrim_camera_init(void) 
static void __init visstrim_reserve(void)

{

	/* reserve 4 MiB for mx2-camera */

	mx2_camera_base = arm_memblock_steal(2 * MX2_CAMERA_BUF_SIZE,

	mx2_camera_base = arm_memblock_steal(3 * MX2_CAMERA_BUF_SIZE,

			MX2_CAMERA_BUF_SIZE);

}
@@ -420,6 +420,30 @@ static void __init visstrim_coda_init(void) 
		return;

}



/* DMA deinterlace */

static struct platform_device visstrim_deinterlace = {

	.name = "m2m-deinterlace",

	.id = 0,

};



static void __init visstrim_deinterlace_init(void)

{

	int ret = -ENOMEM;

	struct platform_device *pdev = &visstrim_deinterlace;

	int dma;



	ret = platform_device_register(pdev);



	dma = dma_declare_coherent_memory(&pdev->dev,

					  mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,

					  mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,

					  MX2_CAMERA_BUF_SIZE,

					  DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);

	if (!(dma & DMA_MEMORY_MAP))

		return;

}





static void __init visstrim_m10_revision(void)

{

	int exp_version = 0;
@@ -482,6 +506,7 @@ static void __init visstrim_m10_board_init(void) 
	platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,

				      &iclink_tvp5150, sizeof(iclink_tvp5150));

	gpio_led_register_device(0, &visstrim_m10_led_data);

	visstrim_deinterlace_init();

	visstrim_camera_init();

	visstrim_coda_init();

}