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| System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
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/
usr/
src/
linux-headers-3.0.0-14/
drivers/
media/
video/
- drwxr-xr-x
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Viewing file:  cafe_ccic-regs.h (6.68 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
/*
* Register definitions for the m88alp01 camera interface. Offsets in bytes
* as given in the spec.
*
* Copyright 2006 One Laptop Per Child Association, Inc.
*
* Written by Jonathan Corbet, corbet@lwn.net.
*
* This file may be distributed under the terms of the GNU General
* Public License, version 2.
*/
#define REG_Y0BAR 0x00
#define REG_Y1BAR 0x04
#define REG_Y2BAR 0x08
/* ... */
#define REG_IMGPITCH 0x24 /* Image pitch register */
#define IMGP_YP_SHFT 2 /* Y pitch params */
#define IMGP_YP_MASK 0x00003ffc /* Y pitch field */
#define IMGP_UVP_SHFT 18 /* UV pitch (planar) */
#define IMGP_UVP_MASK 0x3ffc0000
#define REG_IRQSTATRAW 0x28 /* RAW IRQ Status */
#define IRQ_EOF0 0x00000001 /* End of frame 0 */
#define IRQ_EOF1 0x00000002 /* End of frame 1 */
#define IRQ_EOF2 0x00000004 /* End of frame 2 */
#define IRQ_SOF0 0x00000008 /* Start of frame 0 */
#define IRQ_SOF1 0x00000010 /* Start of frame 1 */
#define IRQ_SOF2 0x00000020 /* Start of frame 2 */
#define IRQ_OVERFLOW 0x00000040 /* FIFO overflow */
#define IRQ_TWSIW 0x00010000 /* TWSI (smbus) write */
#define IRQ_TWSIR 0x00020000 /* TWSI read */
#define IRQ_TWSIE 0x00040000 /* TWSI error */
#define TWSIIRQS (IRQ_TWSIW|IRQ_TWSIR|IRQ_TWSIE)
#define FRAMEIRQS (IRQ_EOF0|IRQ_EOF1|IRQ_EOF2|IRQ_SOF0|IRQ_SOF1|IRQ_SOF2)
#define ALLIRQS (TWSIIRQS|FRAMEIRQS|IRQ_OVERFLOW)
#define REG_IRQMASK 0x2c /* IRQ mask - same bits as IRQSTAT */
#define REG_IRQSTAT 0x30 /* IRQ status / clear */
#define REG_IMGSIZE 0x34 /* Image size */
#define IMGSZ_V_MASK 0x1fff0000
#define IMGSZ_V_SHIFT 16
#define IMGSZ_H_MASK 0x00003fff
#define REG_IMGOFFSET 0x38 /* IMage offset */
#define REG_CTRL0 0x3c /* Control 0 */
#define C0_ENABLE 0x00000001 /* Makes the whole thing go */
/* Mask for all the format bits */
#define C0_DF_MASK 0x00fffffc /* Bits 2-23 */
/* RGB ordering */
#define C0_RGB4_RGBX 0x00000000
#define C0_RGB4_XRGB 0x00000004
#define C0_RGB4_BGRX 0x00000008
#define C0_RGB4_XBGR 0x0000000c
#define C0_RGB5_RGGB 0x00000000
#define C0_RGB5_GRBG 0x00000004
#define C0_RGB5_GBRG 0x00000008
#define C0_RGB5_BGGR 0x0000000c
/* Spec has two fields for DIN and DOUT, but they must match, so
combine them here. */
#define C0_DF_YUV 0x00000000 /* Data is YUV */
#define C0_DF_RGB 0x000000a0 /* ... RGB */
#define C0_DF_BAYER 0x00000140 /* ... Bayer */
/* 8-8-8 must be missing from the below - ask */
#define C0_RGBF_565 0x00000000
#define C0_RGBF_444 0x00000800
#define C0_RGB_BGR 0x00001000 /* Blue comes first */
#define C0_YUV_PLANAR 0x00000000 /* YUV 422 planar format */
#define C0_YUV_PACKED 0x00008000 /* YUV 422 packed */
#define C0_YUV_420PL 0x0000a000 /* YUV 420 planar */
/* Think that 420 packed must be 111 - ask */
#define C0_YUVE_YUYV 0x00000000 /* Y1CbY0Cr */
#define C0_YUVE_YVYU 0x00010000 /* Y1CrY0Cb */
#define C0_YUVE_VYUY 0x00020000 /* CrY1CbY0 */
#define C0_YUVE_UYVY 0x00030000 /* CbY1CrY0 */
#define C0_YUVE_XYUV 0x00000000 /* 420: .YUV */
#define C0_YUVE_XYVU 0x00010000 /* 420: .YVU */
#define C0_YUVE_XUVY 0x00020000 /* 420: .UVY */
#define C0_YUVE_XVUY 0x00030000 /* 420: .VUY */
/* Bayer bits 18,19 if needed */
#define C0_HPOL_LOW 0x01000000 /* HSYNC polarity active low */
#define C0_VPOL_LOW 0x02000000 /* VSYNC polarity active low */
#define C0_VCLK_LOW 0x04000000 /* VCLK on falling edge */
#define C0_DOWNSCALE 0x08000000 /* Enable downscaler */
#define C0_SIFM_MASK 0xc0000000 /* SIF mode bits */
#define C0_SIF_HVSYNC 0x00000000 /* Use H/VSYNC */
#define CO_SOF_NOSYNC 0x40000000 /* Use inband active signaling */
#define REG_CTRL1 0x40 /* Control 1 */
#define C1_444ALPHA 0x00f00000 /* Alpha field in RGB444 */
#define C1_ALPHA_SHFT 20
#define C1_DMAB32 0x00000000 /* 32-byte DMA burst */
#define C1_DMAB16 0x02000000 /* 16-byte DMA burst */
#define C1_DMAB64 0x04000000 /* 64-byte DMA burst */
#define C1_DMAB_MASK 0x06000000
#define C1_TWOBUFS 0x08000000 /* Use only two DMA buffers */
#define C1_PWRDWN 0x10000000 /* Power down */
#define REG_CLKCTRL 0x88 /* Clock control */
#define CLK_DIV_MASK 0x0000ffff /* Upper bits RW "reserved" */
#define REG_GPR 0xb4 /* General purpose register. This
controls inputs to the power and reset
pins on the OV7670 used with OLPC;
other deployments could differ. */
#define GPR_C1EN 0x00000020 /* Pad 1 (power down) enable */
#define GPR_C0EN 0x00000010 /* Pad 0 (reset) enable */
#define GPR_C1 0x00000002 /* Control 1 value */
/*
* Control 0 is wired to reset on OLPC machines. For ov7x sensors,
* it is active low, for 0v6x, instead, it's active high. What
* fun.
*/
#define GPR_C0 0x00000001 /* Control 0 value */
#define REG_TWSIC0 0xb8 /* TWSI (smbus) control 0 */
#define TWSIC0_EN 0x00000001 /* TWSI enable */
#define TWSIC0_MODE 0x00000002 /* 1 = 16-bit, 0 = 8-bit */
#define TWSIC0_SID 0x000003fc /* Slave ID */
#define TWSIC0_SID_SHIFT 2
#define TWSIC0_CLKDIV 0x0007fc00 /* Clock divider */
#define TWSIC0_MASKACK 0x00400000 /* Mask ack from sensor */
#define TWSIC0_OVMAGIC 0x00800000 /* Make it work on OV sensors */
#define REG_TWSIC1 0xbc /* TWSI control 1 */
#define TWSIC1_DATA 0x0000ffff /* Data to/from camchip */
#define TWSIC1_ADDR 0x00ff0000 /* Address (register) */
#define TWSIC1_ADDR_SHIFT 16
#define TWSIC1_READ 0x01000000 /* Set for read op */
#define TWSIC1_WSTAT 0x02000000 /* Write status */
#define TWSIC1_RVALID 0x04000000 /* Read data valid */
#define TWSIC1_ERROR 0x08000000 /* Something screwed up */
#define REG_UBAR 0xc4 /* Upper base address register */
/*
* Here's the weird global control registers which are said to live
* way up here.
*/
#define REG_GL_CSR 0x3004 /* Control/status register */
#define GCSR_SRS 0x00000001 /* SW Reset set */
#define GCSR_SRC 0x00000002 /* SW Reset clear */
#define GCSR_MRS 0x00000004 /* Master reset set */
#define GCSR_MRC 0x00000008 /* HW Reset clear */
#define GCSR_CCIC_EN 0x00004000 /* CCIC Clock enable */
#define REG_GL_IMASK 0x300c /* Interrupt mask register */
#define GIMSK_CCIC_EN 0x00000004 /* CCIC Interrupt enable */
#define REG_GL_FCR 0x3038 /* GPIO functional control register */
#define GFCR_GPIO_ON 0x08 /* Camera GPIO enabled */
#define REG_GL_GPIOR 0x315c /* GPIO register */
#define GGPIO_OUT 0x80000 /* GPIO output */
#define GGPIO_VAL 0x00008 /* Output pin value */
#define REG_LEN REG_GL_IMASK + 4
/*
* Useful stuff that probably belongs somewhere global.
*/
#define VGA_WIDTH 640
#define VGA_HEIGHT 480
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