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Subject: [media] i.MX27: Visstrim_M10: Add support for deinterlacing driver Author: Javier Martin <[email protected]> Date: Thu Jul 26 05:57:30 2012 -0300 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: Javier Martin <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> arch/arm/mach-imx/mach-imx27_visstrim_m10.c | 27 ++++++++++++++++++++++++++- 1 files changed, 26 insertions(+), 1 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=062a15cf24f838749f8f40a8ca6fd33af84052db diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c index 3194362..821d6aa 100644 --- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c +++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c @@ -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(); } _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
