Manjunath Hadli <manjunath.ha...@ti.com> writes:
> This patch implements the overall device creation for the Video
> display driver, initializes the platform variables and implements
> platform functions including setting video clocks.
This is dm644x specific. Please use 'davinci: dm644x: VPBE' as subject
prefix.
Kevin
> Signed-off-by: Manjunath Hadli <manjunath.ha...@ti.com>
> Acked-by: Muralidharan Karicheri <m-kariche...@ti.com>
> Acked-by: Hans Verkuil <hverk...@xs4all.nl>
> ---
> arch/arm/mach-davinci/dm644x.c | 169
> +++++++++++++++++++++++++--
> arch/arm/mach-davinci/include/mach/dm644x.h | 5 +
> 2 files changed, 163 insertions(+), 11 deletions(-)
>
> diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
> index 9a2376b..45a89a8 100644
> --- a/arch/arm/mach-davinci/dm644x.c
> +++ b/arch/arm/mach-davinci/dm644x.c
> @@ -586,12 +586,14 @@ static struct platform_device dm644x_asp_device = {
> .resource = dm644x_asp_resources,
> };
>
> +#define DM644X_VPSS_REG_BASE 0x01c73400
> +
> static struct resource dm644x_vpss_resources[] = {
> {
> /* VPSS Base address */
> .name = "vpss",
> - .start = 0x01c73400,
> - .end = 0x01c73400 + 0xff,
> + .start = DM644X_VPSS_REG_BASE,
> + .end = DM644X_VPSS_REG_BASE + 0xff,
> .flags = IORESOURCE_MEM,
> },
> };
> @@ -618,6 +620,7 @@ static struct resource vpfe_resources[] = {
> };
>
> static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
> +
> static struct resource dm644x_ccdc_resource[] = {
> /* CCDC Base address */
> {
> @@ -654,6 +657,137 @@ void dm644x_set_vpfe_config(struct vpfe_config *cfg)
> vpfe_capture_dev.dev.platform_data = cfg;
> }
>
> +#define DM644X_OSD_REG_BASE 0x01C72600
> +
> +static struct resource dm644x_osd_resources[] = {
> + {
> + .start = DM644X_OSD_REG_BASE,
> + .end = DM644X_OSD_REG_BASE + 0x1ff,
> + .flags = IORESOURCE_MEM,
> + },
> +};
> +
> +static u64 dm644x_osd_dma_mask = DMA_BIT_MASK(32);
> +
> +static struct osd_platform_data osd_data = {
> + .vpbe_type = DM644X_VPBE,
> +};
> +
> +static struct platform_device dm644x_osd_dev = {
> + .name = VPBE_OSD_SUBDEV_NAME,
> + .id = -1,
> + .num_resources = ARRAY_SIZE(dm644x_osd_resources),
> + .resource = dm644x_osd_resources,
> + .dev = {
> + .dma_mask = &dm644x_osd_dma_mask,
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + .platform_data = &osd_data,
> + },
> +};
> +
> +#define DM644X_VENC_REG_BASE 0x01C72400
> +
> +static struct resource dm644x_venc_resources[] = {
> + /* venc registers io space */
> + {
> + .start = DM644X_VENC_REG_BASE,
> + .end = DM644X_VENC_REG_BASE + 0x17f,
> + .flags = IORESOURCE_MEM,
> + },
> +};
> +
> +static u64 dm644x_venc_dma_mask = DMA_BIT_MASK(32);
> +
> +static void __iomem *vpss_clkctl_reg;
> +
> +static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type, __u64
> mode)
> +{
> + int ret = 0;
> +
> + switch (type) {
> + case VPBE_ENC_STD:
> + writel(0x18, vpss_clkctl_reg);
> + break;
> + case VPBE_ENC_DV_PRESET:
> + switch ((unsigned int)mode) {
> + case V4L2_DV_480P59_94:
> + case V4L2_DV_576P50:
> + writel(0x19, vpss_clkctl_reg);
> + break;
> + case V4L2_DV_720P60:
> + case V4L2_DV_1080I60:
> + case V4L2_DV_1080P30:
> + /*
> + * For HD, use external clock source since
> + * HD requires higher clock rate
> + */
> + writel(0xa, vpss_clkctl_reg);
> + break;
> + default:
> + ret = -EINVAL;
> + break;
> + }
> + break;
> + default:
> + ret = -EINVAL;
> + }
> + return ret;
> +}
> +
> +static u64 vpbe_display_dma_mask = DMA_BIT_MASK(32);
> +
> +static struct resource dm644x_v4l2_disp_resources[] = {
> + {
> + .start = IRQ_VENCINT,
> + .end = IRQ_VENCINT,
> + .flags = IORESOURCE_IRQ,
> + },
> +};
> +
> +static struct platform_device vpbe_v4l2_display = {
> + .name = "vpbe-v4l2",
> + .id = -1,
> + .num_resources = ARRAY_SIZE(dm644x_v4l2_disp_resources),
> + .resource = dm644x_v4l2_disp_resources,
> + .dev = {
> + .dma_mask = &vpbe_display_dma_mask,
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + },
> +};
> +
> +struct venc_platform_data dm644x_venc_pdata = {
> + .venc_type = DM644X_VPBE,
> + .setup_clock = dm644x_venc_setup_clock,
> +};
> +
> +static struct platform_device dm644x_venc_dev = {
> + .name = VPBE_VENC_SUBDEV_NAME,
> + .id = -1,
> + .num_resources = ARRAY_SIZE(dm644x_venc_resources),
> + .resource = dm644x_venc_resources,
> + .dev = {
> + .dma_mask = &dm644x_venc_dma_mask,
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + .platform_data = &dm644x_venc_pdata,
> + },
> +};
> +
> +static u64 dm644x_vpbe_dma_mask = DMA_BIT_MASK(32);
> +
> +static struct platform_device dm644x_vpbe_dev = {
> + .name = "vpbe_controller",
> + .id = -1,
> + .dev = {
> + .dma_mask = &dm644x_vpbe_dma_mask,
> + .coherent_dma_mask = DMA_BIT_MASK(32),
> + },
> +};
> +
> +void dm644x_set_vpbe_display_config(struct vpbe_display_config *cfg)
> +{
> + dm644x_vpbe_dev.dev.platform_data = cfg;
> +}
> +
> /*----------------------------------------------------------------------*/
>
> static struct map_desc dm644x_io_desc[] = {
> @@ -781,25 +915,38 @@ void __init dm644x_init(void)
> davinci_common_init(&davinci_soc_info_dm644x);
> }
>
> +static struct platform_device *dm644x_video_devices[] __initdata = {
> + &dm644x_vpss_device,
> + &dm644x_ccdc_dev,
> + &vpfe_capture_dev,
> + &dm644x_osd_dev,
> + &dm644x_venc_dev,
> + &dm644x_vpbe_dev,
> + &vpbe_v4l2_display,
> +};
> +
> +static int __init dm644x_init_video(void)
> +{
> + /* Add ccdc clock aliases */
> + clk_add_alias("master", dm644x_ccdc_dev.name, "vpss_master", NULL);
> + clk_add_alias("slave", dm644x_ccdc_dev.name, "vpss_slave", NULL);
> + vpss_clkctl_reg = DAVINCI_SYSMODULE_VIRT(0x44);
> + platform_add_devices(dm644x_video_devices,
> + ARRAY_SIZE(dm644x_video_devices));
> + return 0;
> +}
> +
> static int __init dm644x_init_devices(void)
> {
> if (!cpu_is_davinci_dm644x())
> return 0;
>
> - /* Add ccdc clock aliases */
> - clk_add_alias("master", dm644x_ccdc_dev.name, "vpss_master", NULL);
> - clk_add_alias("slave", dm644x_ccdc_dev.name, "vpss_slave", NULL);
> platform_device_register(&dm644x_edma_device);
> -
> platform_device_register(&dm644x_mdio_device);
> platform_device_register(&dm644x_emac_device);
> clk_add_alias(NULL, dev_name(&dm644x_mdio_device.dev),
> NULL, &dm644x_emac_device.dev);
> -
> - platform_device_register(&dm644x_vpss_device);
> - platform_device_register(&dm644x_ccdc_dev);
> - platform_device_register(&vpfe_capture_dev);
> -
> + dm644x_init_video();
> return 0;
> }
> postcore_initcall(dm644x_init_devices);
> diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h
> b/arch/arm/mach-davinci/include/mach/dm644x.h
> index 5a1b26d..5134da0 100644
> --- a/arch/arm/mach-davinci/include/mach/dm644x.h
> +++ b/arch/arm/mach-davinci/include/mach/dm644x.h
> @@ -26,6 +26,10 @@
> #include <mach/hardware.h>
> #include <mach/asp.h>
> #include <media/davinci/vpfe_capture.h>
> +#include <media/davinci/vpbe_types.h>
> +#include <media/davinci/vpbe.h>
> +#include <media/davinci/vpss.h>
> +#include <media/davinci/vpbe_osd.h>
>
> #define DM644X_EMAC_BASE (0x01C80000)
> #define DM644X_EMAC_MDIO_BASE (DM644X_EMAC_BASE + 0x4000)
> @@ -43,5 +47,6 @@
> void __init dm644x_init(void);
> void __init dm644x_init_asp(struct snd_platform_data *pdata);
> void dm644x_set_vpfe_config(struct vpfe_config *cfg);
> +void dm644x_set_vpbe_display_config(struct vpbe_display_config *cfg);
>
> #endif /* __ASM_ARCH_DM644X_H */
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