[PATCH 1/2] ARM: da850/omap-l138: Add SoC related definitions for VPIF
Prabhakar Lad
prabhakar.lad at ti.com
Tue Jul 24 03:43:05 EDT 2012
From: Manjunath Hadli <manjunath.hadli at ti.com>
Add clock, pin mux definitions and registration function for
VPIF capture and display driver on DA850/OMAP-L138 SoC.
Signed-off-by: Manjunath Hadli <manjunath.hadli at ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.lad at ti.com>
Cc: Sekhar Nori <nsekhar at ti.com>
---
arch/arm/mach-davinci/da850.c | 256 ++++++++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 11 ++
arch/arm/mach-davinci/include/mach/mux.h | 42 +++++
arch/arm/mach-davinci/include/mach/psc.h | 1 +
4 files changed, 310 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index b44dc84..c864431 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -347,6 +347,13 @@ static struct clk spi1_clk = {
.flags = DA850_CLK_ASYNC3,
};
+static struct clk vpif_clk = {
+ .name = "vpif",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA850_LPSC1_VPIF,
+ .gpsc = 1,
+};
+
static struct clk sata_clk = {
.name = "sata",
.parent = &pll0_sysclk2,
@@ -397,6 +404,7 @@ static struct clk_lookup da850_clks[] = {
CLK(NULL, "usb20", &usb20_clk),
CLK("spi_davinci.0", NULL, &spi0_clk),
CLK("spi_davinci.1", NULL, &spi1_clk),
+ CLK(NULL, "vpif", &vpif_clk),
CLK("ahci", NULL, &sata_clk),
CLK(NULL, NULL, NULL),
};
@@ -573,6 +581,46 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false)
MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false)
MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
+ /* VPIF Capture */
+ MUX_CFG(DA850, VPIF_DIN0, 15, 4, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN1, 15, 0, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN2, 14, 28, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN3, 14, 24, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN4, 14, 20, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN5, 14, 16, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN6, 14, 12, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN7, 14, 8, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN8, 16, 4, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN9, 16, 0, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN10, 15, 28, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN11, 15, 24, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN12, 15, 20, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN13, 15, 16, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN14, 15, 12, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DIN15, 15, 8, 15, 1, false)
+ MUX_CFG(DA850, VPIF_CLKIN0, 14, 0, 15, 1, false)
+ MUX_CFG(DA850, VPIF_CLKIN1, 14, 4, 15, 1, false)
+ MUX_CFG(DA850, VPIF_CLKIN2, 19, 8, 15, 1, false)
+ MUX_CFG(DA850, VPIF_CLKIN3, 19, 16, 15, 1, false)
+ /* VPIF Display */
+ MUX_CFG(DA850, VPIF_DOUT0, 17, 4, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT1, 17, 0, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT2, 16, 28, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT3, 16, 24, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT4, 16, 20, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT5, 16, 16, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT6, 16, 12, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT7, 16, 8, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT8, 18, 4, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT9, 18, 0, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT10, 17, 28, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT11, 17, 24, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT12, 17, 20, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT13, 17, 16, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT14, 17, 12, 15, 1, false)
+ MUX_CFG(DA850, VPIF_DOUT15, 17, 8, 15, 1, false)
+ MUX_CFG(DA850, VPIF_CLKO2, 19, 12, 15, 1, false)
+ MUX_CFG(DA850, VPIF_CLKO3, 19, 20, 15, 1, false)
#endif
};
@@ -595,6 +643,26 @@ const short da850_lcdcntl_pins[] __initdata = {
-1
};
+const short da850_vpif_capture_pins[] __initdata = {
+ DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3,
+ DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7,
+ DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11,
+ DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15,
+ DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2,
+ DA850_VPIF_CLKIN3,
+ -1
+};
+
+const short da850_vpif_display_pins[] __initdata = {
+ DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3,
+ DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7,
+ DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10,
+ DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13,
+ DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2,
+ DA850_VPIF_CLKO3,
+ -1
+};
+
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
@@ -1064,6 +1132,194 @@ no_ddrpll_mem:
return ret;
}
+/* VPIF resource, platform data */
+static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource da850_vpif_resource[] = {
+ {
+ .start = DA8XX_VPIF_BASE,
+ .end = DA8XX_VPIF_BASE + 0xfff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device da850_vpif_dev = {
+ .name = "vpif",
+ .id = -1,
+ .dev = {
+ .dma_mask = &da850_vpif_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = da850_vpif_resource,
+ .num_resources = ARRAY_SIZE(da850_vpif_resource),
+};
+
+static unsigned long vpif_disp_cont_buf_offset;
+
+static int __init cfg_vpif_disp_cont_buf_offset(char *p)
+{
+ if (!p)
+ return 0;
+
+ return kstrtoul(p, 10, &vpif_disp_cont_buf_offset);
+}
+early_param("vpif_disp_cont_buf_offset", cfg_vpif_disp_cont_buf_offset);
+
+static unsigned long vpif_disp_cont_bufsize;
+
+static int __init cfg_vpif_disp_cont_bufsize(char *p)
+{
+ if (!p)
+ return 0;
+
+ return kstrtoul(p, 10, &vpif_disp_cont_bufsize);
+}
+early_param("vpif_disp_cont_bufsize", cfg_vpif_disp_cont_bufsize);
+
+static unsigned long vpif_cap_cont_buf_offset;
+
+static int __init cfg_vpif_cap_cont_buf_offset(char *p)
+{
+ if (!p)
+ return 0;
+
+ return kstrtoul(p, 10, &vpif_cap_cont_buf_offset);
+}
+early_param("vpif_cap_cont_buf_offset", cfg_vpif_cap_cont_buf_offset);
+
+static unsigned long vpif_cap_cont_bufsize;
+
+static int __init cfg_vpif_cap_cont_bufsize(char *p)
+{
+ if (!p)
+ return 0;
+
+ return kstrtoul(p, 10, &vpif_cap_cont_bufsize);
+}
+early_param("vpif_cap_cont_bufsize", cfg_vpif_cap_cont_bufsize);
+
+static struct platform_device da850_vpif_display_dev = {
+ .name = "vpif_display",
+ .id = -1,
+ .dev = {
+ .dma_mask = &da850_vpif_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+static struct platform_device da850_vpif_capture_dev = {
+ .name = "vpif_capture",
+ .id = -1,
+ .dev = {
+ .dma_mask = &da850_vpif_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
+int __init da850_register_vpif(void)
+{
+ return platform_device_register(&da850_vpif_dev);
+}
+
+int __init da850_register_vpif_display(struct vpif_display_config
+ *display_config)
+{
+ struct resource da850_vpif_display_resource[] = {
+ {
+ .start = IRQ_DA850_VPIFINT,
+ .end = IRQ_DA850_VPIFINT,
+ .flags = IORESOURCE_IRQ,
+ },
+ {},
+ };
+ unsigned long phys_end_kernel;
+ int ret;
+
+ if (vpif_disp_cont_bufsize) {
+ phys_end_kernel = virt_to_phys((void *)PAGE_OFFSET) +
+ (num_physpages << PAGE_SHIFT);
+ phys_end_kernel += vpif_disp_cont_buf_offset;
+ da850_vpif_display_resource[1].start = phys_end_kernel;
+ da850_vpif_display_resource[1].end = phys_end_kernel +
+ vpif_disp_cont_bufsize - 1;
+ da850_vpif_display_resource[1].flags = IORESOURCE_MEM;
+
+ if (!request_mem_region(da850_vpif_display_resource[1].start,
+ resource_size(&da850_vpif_display_resource[1]),
+ da850_vpif_display_dev.name)) {
+ pr_err("region already claimed.\n");
+ return -EBUSY;
+ }
+ ret = dma_declare_coherent_memory(&da850_vpif_display_dev.dev,
+ phys_end_kernel, phys_end_kernel,
+ vpif_disp_cont_bufsize,
+ DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
+
+ if (!ret)
+ return -ENOMEM;
+ }
+ ret = platform_device_add_resources(&da850_vpif_display_dev,
+ da850_vpif_display_resource,
+ ARRAY_SIZE(da850_vpif_display_resource));
+ if (ret)
+ return -EINVAL;
+
+ da850_vpif_display_dev.dev.platform_data = display_config;
+ return platform_device_register(&da850_vpif_display_dev);
+}
+
+int __init da850_register_vpif_capture(struct vpif_capture_config
+ *capture_config)
+{
+ static struct resource da850_vpif_capture_resource[] = {
+ {
+ .start = IRQ_DA850_VPIFINT,
+ .end = IRQ_DA850_VPIFINT,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA850_VPIFINT,
+ .end = IRQ_DA850_VPIFINT,
+ .flags = IORESOURCE_IRQ,
+ },
+ {},
+ };
+ unsigned long phys_end_kernel;
+ int ret;
+
+ if (vpif_cap_cont_bufsize) {
+ phys_end_kernel = virt_to_phys((void *)PAGE_OFFSET) +
+ (num_physpages << PAGE_SHIFT);
+ phys_end_kernel += vpif_cap_cont_buf_offset;
+ da850_vpif_capture_resource[2].start = phys_end_kernel;
+ da850_vpif_capture_resource[2].end = phys_end_kernel +
+ vpif_cap_cont_bufsize - 1;
+ da850_vpif_capture_resource[2].flags = IORESOURCE_MEM;
+
+ if (!request_mem_region(da850_vpif_capture_resource[2].start,
+ resource_size(&da850_vpif_capture_resource[2]),
+ da850_vpif_capture_dev.name)) {
+ pr_err("region already claimed.\n");
+ return -EBUSY;
+ }
+ ret = dma_declare_coherent_memory(&da850_vpif_capture_dev.dev,
+ phys_end_kernel, phys_end_kernel,
+ vpif_cap_cont_bufsize, DMA_MEMORY_MAP |
+ DMA_MEMORY_EXCLUSIVE);
+
+ if (!ret)
+ return -ENOMEM;
+ }
+ ret = platform_device_add_resources(&da850_vpif_capture_dev,
+ da850_vpif_capture_resource,
+ ARRAY_SIZE(da850_vpif_capture_resource));
+ if (ret)
+ return -EINVAL;
+
+ da850_vpif_capture_dev.dev.platform_data = capture_config;
+ return platform_device_register(&da850_vpif_capture_dev);
+}
+
static struct davinci_soc_info davinci_soc_info_da850 = {
.io_desc = da850_io_desc,
.io_desc_num = ARRAY_SIZE(da850_io_desc),
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index a2f1f27..0028bd7 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/davinci_emac.h>
#include <linux/spi/spi.h>
+#include <linux/videodev2.h>
#include <mach/serial.h>
#include <mach/edma.h>
@@ -26,6 +27,8 @@
#include <mach/pm.h>
#include <mach/spi.h>
+#include <media/davinci/vpif_types.h>
+
extern void __iomem *da8xx_syscfg0_base;
extern void __iomem *da8xx_syscfg1_base;
@@ -69,6 +72,7 @@ extern unsigned int da850_max_speed;
#define DA8XX_AEMIF_CS3_BASE 0x62000000
#define DA8XX_AEMIF_CTL_BASE 0x68000000
#define DA8XX_ARM_RAM_BASE 0xffff0000
+#define DA8XX_VPIF_BASE 0x01e17000
void __init da830_init(void);
void __init da850_init(void);
@@ -92,6 +96,11 @@ int da8xx_register_cpuidle(void);
void __iomem * __init da8xx_get_mem_ctlr(void);
int da850_register_pm(struct platform_device *pdev);
int __init da850_register_sata(unsigned long refclkpn);
+int __init da850_register_vpif(void);
+int __init da850_register_vpif_display
+ (struct vpif_display_config *display_config);
+int __init da850_register_vpif_capture
+ (struct vpif_capture_config *capture_config);
void da8xx_restart(char mode, const char *cmd);
extern struct platform_device da8xx_serial_device;
@@ -126,6 +135,8 @@ extern const short da830_ecap1_pins[];
extern const short da830_ecap2_pins[];
extern const short da830_eqep0_pins[];
extern const short da830_eqep1_pins[];
+extern const short da850_vpif_capture_pins[];
+extern const short da850_vpif_display_pins[];
extern const short da850_i2c0_pins[];
extern const short da850_i2c1_pins[];
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index a7e92fc..9e95b8a 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -928,6 +928,48 @@ enum davinci_da850_index {
DA850_GPIO6_10,
DA850_GPIO6_13,
DA850_RTC_ALARM,
+
+ /* VPIF Capture */
+ DA850_VPIF_DIN0,
+ DA850_VPIF_DIN1,
+ DA850_VPIF_DIN2,
+ DA850_VPIF_DIN3,
+ DA850_VPIF_DIN4,
+ DA850_VPIF_DIN5,
+ DA850_VPIF_DIN6,
+ DA850_VPIF_DIN7,
+ DA850_VPIF_DIN8,
+ DA850_VPIF_DIN9,
+ DA850_VPIF_DIN10,
+ DA850_VPIF_DIN11,
+ DA850_VPIF_DIN12,
+ DA850_VPIF_DIN13,
+ DA850_VPIF_DIN14,
+ DA850_VPIF_DIN15,
+ DA850_VPIF_CLKIN0,
+ DA850_VPIF_CLKIN1,
+ DA850_VPIF_CLKIN2,
+ DA850_VPIF_CLKIN3,
+
+ /* VPIF Display */
+ DA850_VPIF_DOUT0,
+ DA850_VPIF_DOUT1,
+ DA850_VPIF_DOUT2,
+ DA850_VPIF_DOUT3,
+ DA850_VPIF_DOUT4,
+ DA850_VPIF_DOUT5,
+ DA850_VPIF_DOUT6,
+ DA850_VPIF_DOUT7,
+ DA850_VPIF_DOUT8,
+ DA850_VPIF_DOUT9,
+ DA850_VPIF_DOUT10,
+ DA850_VPIF_DOUT11,
+ DA850_VPIF_DOUT12,
+ DA850_VPIF_DOUT13,
+ DA850_VPIF_DOUT14,
+ DA850_VPIF_DOUT15,
+ DA850_VPIF_CLKO2,
+ DA850_VPIF_CLKO3,
};
enum davinci_tnetv107x_index {
diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 405318e..40a0027 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -166,6 +166,7 @@
#define DA830_LPSC1_McASP1 8
#define DA850_LPSC1_SATA 8
#define DA830_LPSC1_McASP2 9
+#define DA850_LPSC1_VPIF 9
#define DA8XX_LPSC1_SPI1 10
#define DA8XX_LPSC1_I2C 11
#define DA8XX_LPSC1_UART1 12
--
1.7.0.4
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