Edit File: atmel-isi.h
/* * Register definitions for the Atmel Image Sensor Interface. * * Copyright (C) 2011 Atmel Corporation * Josh Wu, <josh.wu@atmel.com> * * Based on previous work by Lars Haring, <lars.haring@atmel.com> * and Sedji Gaouaou * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __ATMEL_ISI_H__ #define __ATMEL_ISI_H__ #include <linux/types.h> /* ISI_V2 register offsets */ #define ISI_CFG1 0x0000 #define ISI_CFG2 0x0004 #define ISI_PSIZE 0x0008 #define ISI_PDECF 0x000c #define ISI_Y2R_SET0 0x0010 #define ISI_Y2R_SET1 0x0014 #define ISI_R2Y_SET0 0x0018 #define ISI_R2Y_SET1 0x001C #define ISI_R2Y_SET2 0x0020 #define ISI_CTRL 0x0024 #define ISI_STATUS 0x0028 #define ISI_INTEN 0x002C #define ISI_INTDIS 0x0030 #define ISI_INTMASK 0x0034 #define ISI_DMA_CHER 0x0038 #define ISI_DMA_CHDR 0x003C #define ISI_DMA_CHSR 0x0040 #define ISI_DMA_P_ADDR 0x0044 #define ISI_DMA_P_CTRL 0x0048 #define ISI_DMA_P_DSCR 0x004C #define ISI_DMA_C_ADDR 0x0050 #define ISI_DMA_C_CTRL 0x0054 #define ISI_DMA_C_DSCR 0x0058 /* Bitfields in CFG1 */ #define ISI_CFG1_HSYNC_POL_ACTIVE_LOW (1 << 2) #define ISI_CFG1_VSYNC_POL_ACTIVE_LOW (1 << 3) #define ISI_CFG1_PIXCLK_POL_ACTIVE_FALLING (1 << 4) #define ISI_CFG1_EMB_SYNC (1 << 6) #define ISI_CFG1_CRC_SYNC (1 << 7) /* Constants for FRATE(ISI_V2) */ #define ISI_CFG1_FRATE_CAPTURE_ALL (0 << 8) #define ISI_CFG1_FRATE_DIV_2 (1 << 8) #define ISI_CFG1_FRATE_DIV_3 (2 << 8) #define ISI_CFG1_FRATE_DIV_4 (3 << 8) #define ISI_CFG1_FRATE_DIV_5 (4 << 8) #define ISI_CFG1_FRATE_DIV_6 (5 << 8) #define ISI_CFG1_FRATE_DIV_7 (6 << 8) #define ISI_CFG1_FRATE_DIV_8 (7 << 8) #define ISI_CFG1_DISCR (1 << 11) #define ISI_CFG1_FULL_MODE (1 << 12) /* Bitfields in CFG2 */ #define ISI_CFG2_GRAYSCALE (1 << 13) /* Constants for YCC_SWAP(ISI_V2) */ #define ISI_CFG2_YCC_SWAP_DEFAULT (0 << 28) #define ISI_CFG2_YCC_SWAP_MODE_1 (1 << 28) #define ISI_CFG2_YCC_SWAP_MODE_2 (2 << 28) #define ISI_CFG2_YCC_SWAP_MODE_3 (3 << 28) #define ISI_CFG2_IM_VSIZE_OFFSET 0 #define ISI_CFG2_IM_HSIZE_OFFSET 16 #define ISI_CFG2_IM_VSIZE_MASK (0x7FF << ISI_CFG2_IM_VSIZE_OFFSET) #define ISI_CFG2_IM_HSIZE_MASK (0x7FF << ISI_CFG2_IM_HSIZE_OFFSET) /* Bitfields in CTRL */ /* Also using in SR(ISI_V2) */ #define ISI_CTRL_EN (1 << 0) #define ISI_CTRL_CDC (1 << 8) /* Also using in SR/IER/IDR/IMR(ISI_V2) */ #define ISI_CTRL_DIS (1 << 1) #define ISI_CTRL_SRST (1 << 2) /* Bitfields in SR */ #define ISI_SR_SIP (1 << 19) /* Also using in SR/IER/IDR/IMR */ #define ISI_SR_VSYNC (1 << 10) #define ISI_SR_PXFR_DONE (1 << 16) #define ISI_SR_CXFR_DONE (1 << 17) #define ISI_SR_P_OVR (1 << 24) #define ISI_SR_C_OVR (1 << 25) #define ISI_SR_CRC_ERR (1 << 26) #define ISI_SR_FR_OVR (1 << 27) /* Bitfields in DMA_C_CTRL & in DMA_P_CTRL */ #define ISI_DMA_CTRL_FETCH (1 << 0) #define ISI_DMA_CTRL_WB (1 << 1) #define ISI_DMA_CTRL_IEN (1 << 2) #define ISI_DMA_CTRL_DONE (1 << 3) /* Bitfields in DMA_CHSR/CHER/CHDR */ #define ISI_DMA_CHSR_P_CH (1 << 0) #define ISI_DMA_CHSR_C_CH (1 << 1) /* Definition for isi_platform_data */ #define ISI_DATAWIDTH_8 0x01 #define ISI_DATAWIDTH_10 0x02 struct isi_platform_data { u8 has_emb_sync; u8 emb_crc_sync; u8 hsync_act_low; u8 vsync_act_low; u8 pclk_act_falling; u8 full_mode; u32 data_width_flags; /* Using for ISI_CFG1 */ u32 frate; /* Using for ISI_MCK */ u32 mck_hz; }; #endif /* __ATMEL_ISI_H__ */