This patch implements the overall device creation for the Video
display driver
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 | 164 ++++++++++++++++++++++++++-
arch/arm/mach-davinci/include/mach/dm644x.h | 4 +
2 files changed, 162 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 5e5b0a7..e8b8e94 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -640,6 +640,142 @@ void dm644x_set_vpfe_config(struct vpfe_config *cfg)
vpfe_capture_dev.dev.platform_data = cfg;
}
+static struct resource dm644x_osd_resources[] = {
+ {
+ .start = 0x01C72600,
+ .end = 0x01C72600 + 0x200,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static u64 dm644x_osd_dma_mask = DMA_BIT_MASK(32);
+
+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 = (void *)DM644X_VPBE,
+ },
+};
+
+static struct resource dm644x_venc_resources[] = {
+ /* venc registers io space */
+ {
+ .start = 0x01C72400,
+ .end = 0x01C72400 + 0x180,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static u64 dm644x_venc_dma_mask = DMA_BIT_MASK(32);
+
+#define VPSS_CLKCTL 0x01C40044
+static void __iomem *vpss_clkctl_reg;
+
+/* TBD. Check what VENC_CLOCK_SEL settings for HDTV and EDTV */
+static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type, __u64 mode)
+{
+ int ret = 0;
+
+ if (NULL == vpss_clkctl_reg)
+ return -EINVAL;
+ if (type == VPBE_ENC_STD) {
+ __raw_writel(0x18, vpss_clkctl_reg);
+ } else if (type == VPBE_ENC_DV_PRESET) {
+ switch ((unsigned int)mode) {
+ case V4L2_DV_480P59_94:
+ case V4L2_DV_576P50:
+ __raw_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
+ */
+ __raw_writel(0xa, vpss_clkctl_reg);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ } else
+ ret = -EINVAL;
+
+ return ret;
+}
+
+
+static inline u32 dm644x_reg_modify(void *reg, u32 val, u32 mask)
+{
+ u32 new_val = (__raw_readl(reg) & ~mask) | (val & mask);
+ __raw_writel(new_val, reg);
+ return new_val;
+}
+
+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,
+ },
+ {
+ .start = 0x01C72400,
+ .end = 0x01C72400 + 0x180,
+ .flags = IORESOURCE_MEM,
+ },
+
+};
+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 = (void *)&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[] = {
@@ -767,20 +903,36 @@ 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 = ioremap_nocache(VPSS_CLKCTL, 4);
+ 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_emac_device);
- 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 6fca568..bf7adcd 100644
--- a/arch/arm/mach-davinci/include/mach/dm644x.h
+++ b/arch/arm/mach-davinci/include/mach/dm644x.h
@@ -26,6 +26,9 @@
#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>
#define DM644X_EMAC_BASE (0x01C80000)
#define DM644X_EMAC_CNTRL_OFFSET (0x0000)
@@ -43,5 +46,6 @@
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 */
--
1.6.2.4
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