diff options
Diffstat (limited to 'arch/arm/mach-davinci/dm646x.c')
-rw-r--r-- | arch/arm/mach-davinci/dm646x.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 8fa28039f27e..0976049c7b3b 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -32,6 +32,15 @@ #include "clock.h" #include "mux.h" +#define DAVINCI_VPIF_BASE (0x01C12000) +#define VDD3P3V_PWDN_OFFSET (0x48) +#define VSCLKDIS_OFFSET (0x6C) + +#define VDD3P3V_VID_MASK (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\ + BIT_MASK(0)) +#define VSCLKDIS_MASK (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\ + BIT_MASK(8)) + /* * Device specific clocks */ @@ -686,6 +695,75 @@ static struct platform_device dm646x_dit_device = { .id = -1, }; +static u64 vpif_dma_mask = DMA_BIT_MASK(32); + +static struct resource vpif_resource[] = { + { + .start = DAVINCI_VPIF_BASE, + .end = DAVINCI_VPIF_BASE + 0x03ff, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device vpif_dev = { + .name = "vpif", + .id = -1, + .dev = { + .dma_mask = &vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = vpif_resource, + .num_resources = ARRAY_SIZE(vpif_resource), +}; + +static struct resource vpif_display_resource[] = { + { + .start = IRQ_DM646X_VP_VERTINT2, + .end = IRQ_DM646X_VP_VERTINT2, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DM646X_VP_VERTINT3, + .end = IRQ_DM646X_VP_VERTINT3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device vpif_display_dev = { + .name = "vpif_display", + .id = -1, + .dev = { + .dma_mask = &vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = vpif_display_resource, + .num_resources = ARRAY_SIZE(vpif_display_resource), +}; + +static struct resource vpif_capture_resource[] = { + { + .start = IRQ_DM646X_VP_VERTINT0, + .end = IRQ_DM646X_VP_VERTINT0, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_DM646X_VP_VERTINT1, + .end = IRQ_DM646X_VP_VERTINT1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device vpif_capture_dev = { + .name = "vpif_capture", + .id = -1, + .dev = { + .dma_mask = &vpif_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = vpif_capture_resource, + .num_resources = ARRAY_SIZE(vpif_capture_resource), +}; + /*----------------------------------------------------------------------*/ static struct map_desc dm646x_io_desc[] = { @@ -814,6 +892,32 @@ void __init dm646x_init_mcasp1(struct snd_platform_data *pdata) platform_device_register(&dm646x_dit_device); } +void dm646x_setup_vpif(struct vpif_display_config *display_config, + struct vpif_capture_config *capture_config) +{ + unsigned int value; + void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE); + + value = __raw_readl(base + VSCLKDIS_OFFSET); + value &= ~VSCLKDIS_MASK; + __raw_writel(value, base + VSCLKDIS_OFFSET); + + value = __raw_readl(base + VDD3P3V_PWDN_OFFSET); + value &= ~VDD3P3V_VID_MASK; + __raw_writel(value, base + VDD3P3V_PWDN_OFFSET); + + davinci_cfg_reg(DM646X_STSOMUX_DISABLE); + davinci_cfg_reg(DM646X_STSIMUX_DISABLE); + davinci_cfg_reg(DM646X_PTSOMUX_DISABLE); + davinci_cfg_reg(DM646X_PTSIMUX_DISABLE); + + vpif_display_dev.dev.platform_data = display_config; + vpif_capture_dev.dev.platform_data = capture_config; + platform_device_register(&vpif_dev); + platform_device_register(&vpif_display_dev); + platform_device_register(&vpif_capture_dev); +} + void __init dm646x_init(void) { davinci_common_init(&davinci_soc_info_dm646x); |