提交 10626744 编写于 作者: S Songjun Wu 提交者: Mauro Carvalho Chehab

[media] atmel-isc: add the Image Sensor Controller code

Add driver for the Image Sensor Controller. It manages
incoming data from a parallel based CMOS/CCD sensor.
It has an internal image processor, also integrates a
triple channel direct memory access controller master
interface.
Signed-off-by: NSongjun Wu <songjun.wu@microchip.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>
上级 8d4b231a
......@@ -111,6 +111,7 @@ source "drivers/media/platform/s5p-tv/Kconfig"
source "drivers/media/platform/am437x/Kconfig"
source "drivers/media/platform/xilinx/Kconfig"
source "drivers/media/platform/rcar-vin/Kconfig"
source "drivers/media/platform/atmel/Kconfig"
config VIDEO_TI_CAL
tristate "TI CAL (Camera Adaptation Layer) driver"
......
......@@ -58,6 +58,8 @@ obj-$(CONFIG_VIDEO_XILINX) += xilinx/
obj-$(CONFIG_VIDEO_RCAR_VIN) += rcar-vin/
obj-$(CONFIG_VIDEO_ATMEL_ISC) += atmel/
ccflags-y += -I$(srctree)/drivers/media/i2c
obj-$(CONFIG_VIDEO_MEDIATEK_VPU) += mtk-vpu/
......
config VIDEO_ATMEL_ISC
tristate "ATMEL Image Sensor Controller (ISC) support"
depends on VIDEO_V4L2 && COMMON_CLK && VIDEO_V4L2_SUBDEV_API && HAS_DMA
depends on ARCH_AT91 || COMPILE_TEST
select VIDEOBUF2_DMA_CONTIG
select REGMAP_MMIO
help
This module makes the ATMEL Image Sensor Controller available
as a v4l2 device.
\ No newline at end of file
obj-$(CONFIG_VIDEO_ATMEL_ISC) += atmel-isc.o
#ifndef __ATMEL_ISC_REGS_H
#define __ATMEL_ISC_REGS_H
#include <linux/bitops.h>
/* ISC Control Enable Register 0 */
#define ISC_CTRLEN 0x00000000
/* ISC Control Disable Register 0 */
#define ISC_CTRLDIS 0x00000004
/* ISC Control Status Register 0 */
#define ISC_CTRLSR 0x00000008
#define ISC_CTRL_CAPTURE BIT(0)
#define ISC_CTRL_UPPRO BIT(1)
#define ISC_CTRL_HISREQ BIT(2)
#define ISC_CTRL_HISCLR BIT(3)
/* ISC Parallel Front End Configuration 0 Register */
#define ISC_PFE_CFG0 0x0000000c
#define ISC_PFE_CFG0_HPOL_LOW BIT(0)
#define ISC_PFE_CFG0_VPOL_LOW BIT(1)
#define ISC_PFE_CFG0_PPOL_LOW BIT(2)
#define ISC_PFE_CFG0_MODE_PROGRESSIVE (0x0 << 4)
#define ISC_PFE_CFG0_MODE_MASK GENMASK(6, 4)
#define ISC_PFE_CFG0_BPS_EIGHT (0x4 << 28)
#define ISC_PFG_CFG0_BPS_NINE (0x3 << 28)
#define ISC_PFG_CFG0_BPS_TEN (0x2 << 28)
#define ISC_PFG_CFG0_BPS_ELEVEN (0x1 << 28)
#define ISC_PFG_CFG0_BPS_TWELVE (0x0 << 28)
#define ISC_PFE_CFG0_BPS_MASK GENMASK(30, 28)
/* ISC Clock Enable Register */
#define ISC_CLKEN 0x00000018
/* ISC Clock Disable Register */
#define ISC_CLKDIS 0x0000001c
/* ISC Clock Status Register */
#define ISC_CLKSR 0x00000020
#define ISC_CLK(n) BIT(n)
/* ISC Clock Configuration Register */
#define ISC_CLKCFG 0x00000024
#define ISC_CLKCFG_DIV_SHIFT(n) ((n)*16)
#define ISC_CLKCFG_DIV_MASK(n) GENMASK(((n)*16 + 7), (n)*16)
#define ISC_CLKCFG_SEL_SHIFT(n) ((n)*16 + 8)
#define ISC_CLKCFG_SEL_MASK(n) GENMASK(((n)*17 + 8), ((n)*16 + 8))
/* ISC Interrupt Enable Register */
#define ISC_INTEN 0x00000028
/* ISC Interrupt Disable Register */
#define ISC_INTDIS 0x0000002c
/* ISC Interrupt Mask Register */
#define ISC_INTMASK 0x00000030
/* ISC Interrupt Status Register */
#define ISC_INTSR 0x00000034
#define ISC_INT_DDONE BIT(8)
/* ISC White Balance Control Register */
#define ISC_WB_CTRL 0x00000058
/* ISC White Balance Configuration Register */
#define ISC_WB_CFG 0x0000005c
/* ISC Color Filter Array Control Register */
#define ISC_CFA_CTRL 0x00000070
/* ISC Color Filter Array Configuration Register */
#define ISC_CFA_CFG 0x00000074
#define ISC_BAY_CFG_GRGR 0x0
#define ISC_BAY_CFG_RGRG 0x1
#define ISC_BAY_CFG_GBGB 0x2
#define ISC_BAY_CFG_BGBG 0x3
#define ISC_BAY_CFG_MASK GENMASK(1, 0)
/* ISC Color Correction Control Register */
#define ISC_CC_CTRL 0x00000078
/* ISC Gamma Correction Control Register */
#define ISC_GAM_CTRL 0x00000094
/* Color Space Conversion Control Register */
#define ISC_CSC_CTRL 0x00000398
/* Contrast And Brightness Control Register */
#define ISC_CBC_CTRL 0x000003b4
/* Subsampling 4:4:4 to 4:2:2 Control Register */
#define ISC_SUB422_CTRL 0x000003c4
/* Subsampling 4:2:2 to 4:2:0 Control Register */
#define ISC_SUB420_CTRL 0x000003cc
/* Rounding, Limiting and Packing Configuration Register */
#define ISC_RLP_CFG 0x000003d0
#define ISC_RLP_CFG_MODE_DAT8 0x0
#define ISC_RLP_CFG_MODE_DAT9 0x1
#define ISC_RLP_CFG_MODE_DAT10 0x2
#define ISC_RLP_CFG_MODE_DAT11 0x3
#define ISC_RLP_CFG_MODE_DAT12 0x4
#define ISC_RLP_CFG_MODE_DATY8 0x5
#define ISC_RLP_CFG_MODE_DATY10 0x6
#define ISC_RLP_CFG_MODE_ARGB444 0x7
#define ISC_RLP_CFG_MODE_ARGB555 0x8
#define ISC_RLP_CFG_MODE_RGB565 0x9
#define ISC_RLP_CFG_MODE_ARGB32 0xa
#define ISC_RLP_CFG_MODE_YYCC 0xb
#define ISC_RLP_CFG_MODE_YYCC_LIMITED 0xc
#define ISC_RLP_CFG_MODE_MASK GENMASK(3, 0)
/* DMA Configuration Register */
#define ISC_DCFG 0x000003e0
#define ISC_DCFG_IMODE_PACKED8 0x0
#define ISC_DCFG_IMODE_PACKED16 0x1
#define ISC_DCFG_IMODE_PACKED32 0x2
#define ISC_DCFG_IMODE_YC422SP 0x3
#define ISC_DCFG_IMODE_YC422P 0x4
#define ISC_DCFG_IMODE_YC420SP 0x5
#define ISC_DCFG_IMODE_YC420P 0x6
#define ISC_DCFG_IMODE_MASK GENMASK(2, 0)
#define ISC_DCFG_YMBSIZE_SINGLE (0x0 << 4)
#define ISC_DCFG_YMBSIZE_BEATS4 (0x1 << 4)
#define ISC_DCFG_YMBSIZE_BEATS8 (0x2 << 4)
#define ISC_DCFG_YMBSIZE_BEATS16 (0x3 << 4)
#define ISC_DCFG_YMBSIZE_MASK GENMASK(5, 4)
#define ISC_DCFG_CMBSIZE_SINGLE (0x0 << 8)
#define ISC_DCFG_CMBSIZE_BEATS4 (0x1 << 8)
#define ISC_DCFG_CMBSIZE_BEATS8 (0x2 << 8)
#define ISC_DCFG_CMBSIZE_BEATS16 (0x3 << 8)
#define ISC_DCFG_CMBSIZE_MASK GENMASK(9, 8)
/* DMA Control Register */
#define ISC_DCTRL 0x000003e4
#define ISC_DCTRL_DVIEW_PACKED (0x0 << 1)
#define ISC_DCTRL_DVIEW_SEMIPLANAR (0x1 << 1)
#define ISC_DCTRL_DVIEW_PLANAR (0x2 << 1)
#define ISC_DCTRL_DVIEW_MASK GENMASK(2, 1)
#define ISC_DCTRL_IE_IS (0x0 << 4)
/* DMA Descriptor Address Register */
#define ISC_DNDA 0x000003e8
/* DMA Address 0 Register */
#define ISC_DAD0 0x000003ec
/* DMA Stride 0 Register */
#define ISC_DST0 0x000003f0
#endif
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