atmel-isi.h (4261B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Register definitions for the Atmel Image Sensor Interface. 4 * 5 * Copyright (C) 2011 Atmel Corporation 6 * Josh Wu, <josh.wu@atmel.com> 7 * 8 * Based on previous work by Lars Haring, <lars.haring@atmel.com> 9 * and Sedji Gaouaou 10 */ 11#ifndef __ATMEL_ISI_H__ 12#define __ATMEL_ISI_H__ 13 14#include <linux/types.h> 15 16/* ISI_V2 register offsets */ 17#define ISI_CFG1 0x0000 18#define ISI_CFG2 0x0004 19#define ISI_PSIZE 0x0008 20#define ISI_PDECF 0x000c 21#define ISI_Y2R_SET0 0x0010 22#define ISI_Y2R_SET1 0x0014 23#define ISI_R2Y_SET0 0x0018 24#define ISI_R2Y_SET1 0x001C 25#define ISI_R2Y_SET2 0x0020 26#define ISI_CTRL 0x0024 27#define ISI_STATUS 0x0028 28#define ISI_INTEN 0x002C 29#define ISI_INTDIS 0x0030 30#define ISI_INTMASK 0x0034 31#define ISI_DMA_CHER 0x0038 32#define ISI_DMA_CHDR 0x003C 33#define ISI_DMA_CHSR 0x0040 34#define ISI_DMA_P_ADDR 0x0044 35#define ISI_DMA_P_CTRL 0x0048 36#define ISI_DMA_P_DSCR 0x004C 37#define ISI_DMA_C_ADDR 0x0050 38#define ISI_DMA_C_CTRL 0x0054 39#define ISI_DMA_C_DSCR 0x0058 40 41/* Bitfields in CFG1 */ 42#define ISI_CFG1_HSYNC_POL_ACTIVE_LOW (1 << 2) 43#define ISI_CFG1_VSYNC_POL_ACTIVE_LOW (1 << 3) 44#define ISI_CFG1_PIXCLK_POL_ACTIVE_FALLING (1 << 4) 45#define ISI_CFG1_EMB_SYNC (1 << 6) 46#define ISI_CFG1_CRC_SYNC (1 << 7) 47/* Constants for FRATE(ISI_V2) */ 48#define ISI_CFG1_FRATE_CAPTURE_ALL (0 << 8) 49#define ISI_CFG1_FRATE_DIV_2 (1 << 8) 50#define ISI_CFG1_FRATE_DIV_3 (2 << 8) 51#define ISI_CFG1_FRATE_DIV_4 (3 << 8) 52#define ISI_CFG1_FRATE_DIV_5 (4 << 8) 53#define ISI_CFG1_FRATE_DIV_6 (5 << 8) 54#define ISI_CFG1_FRATE_DIV_7 (6 << 8) 55#define ISI_CFG1_FRATE_DIV_8 (7 << 8) 56#define ISI_CFG1_FRATE_DIV_MASK (7 << 8) 57#define ISI_CFG1_DISCR (1 << 11) 58#define ISI_CFG1_FULL_MODE (1 << 12) 59/* Definition for THMASK(ISI_V2) */ 60#define ISI_CFG1_THMASK_BEATS_4 (0 << 13) 61#define ISI_CFG1_THMASK_BEATS_8 (1 << 13) 62#define ISI_CFG1_THMASK_BEATS_16 (2 << 13) 63 64/* Bitfields in CFG2 */ 65#define ISI_CFG2_GS_MODE_2_PIXEL (0 << 11) 66#define ISI_CFG2_GS_MODE_1_PIXEL (1 << 11) 67#define ISI_CFG2_GRAYSCALE (1 << 13) 68#define ISI_CFG2_COL_SPACE_YCbCr (0 << 15) 69#define ISI_CFG2_COL_SPACE_RGB (1 << 15) 70/* Constants for YCC_SWAP(ISI_V2) */ 71#define ISI_CFG2_YCC_SWAP_DEFAULT (0 << 28) 72#define ISI_CFG2_YCC_SWAP_MODE_1 (1 << 28) 73#define ISI_CFG2_YCC_SWAP_MODE_2 (2 << 28) 74#define ISI_CFG2_YCC_SWAP_MODE_3 (3 << 28) 75#define ISI_CFG2_YCC_SWAP_MODE_MASK (3 << 28) 76#define ISI_CFG2_IM_VSIZE_OFFSET 0 77#define ISI_CFG2_IM_HSIZE_OFFSET 16 78#define ISI_CFG2_IM_VSIZE_MASK (0x7FF << ISI_CFG2_IM_VSIZE_OFFSET) 79#define ISI_CFG2_IM_HSIZE_MASK (0x7FF << ISI_CFG2_IM_HSIZE_OFFSET) 80 81/* Bitfields in PSIZE */ 82#define ISI_PSIZE_PREV_VSIZE_OFFSET 0 83#define ISI_PSIZE_PREV_HSIZE_OFFSET 16 84#define ISI_PSIZE_PREV_VSIZE_MASK (0x3FF << ISI_PSIZE_PREV_VSIZE_OFFSET) 85#define ISI_PSIZE_PREV_HSIZE_MASK (0x3FF << ISI_PSIZE_PREV_HSIZE_OFFSET) 86 87/* Bitfields in PDECF */ 88#define ISI_PDECF_DEC_FACTOR_MASK (0xFF << 0) 89#define ISI_PDECF_NO_SAMPLING (16) 90 91/* Bitfields in CTRL */ 92/* Also using in SR(ISI_V2) */ 93#define ISI_CTRL_EN (1 << 0) 94#define ISI_CTRL_CDC (1 << 8) 95/* Also using in SR/IER/IDR/IMR(ISI_V2) */ 96#define ISI_CTRL_DIS (1 << 1) 97#define ISI_CTRL_SRST (1 << 2) 98 99/* Bitfields in SR */ 100#define ISI_SR_SIP (1 << 19) 101/* Also using in SR/IER/IDR/IMR */ 102#define ISI_SR_VSYNC (1 << 10) 103#define ISI_SR_PXFR_DONE (1 << 16) 104#define ISI_SR_CXFR_DONE (1 << 17) 105#define ISI_SR_P_OVR (1 << 24) 106#define ISI_SR_C_OVR (1 << 25) 107#define ISI_SR_CRC_ERR (1 << 26) 108#define ISI_SR_FR_OVR (1 << 27) 109 110/* Bitfields in DMA_C_CTRL & in DMA_P_CTRL */ 111#define ISI_DMA_CTRL_FETCH (1 << 0) 112#define ISI_DMA_CTRL_WB (1 << 1) 113#define ISI_DMA_CTRL_IEN (1 << 2) 114#define ISI_DMA_CTRL_DONE (1 << 3) 115 116/* Bitfields in DMA_CHSR/CHER/CHDR */ 117#define ISI_DMA_CHSR_P_CH (1 << 0) 118#define ISI_DMA_CHSR_C_CH (1 << 1) 119 120/* Definition for isi_platform_data */ 121#define ISI_DATAWIDTH_8 0x01 122#define ISI_DATAWIDTH_10 0x02 123 124struct v4l2_async_subdev; 125 126struct isi_platform_data { 127 u8 has_emb_sync; 128 u8 hsync_act_low; 129 u8 vsync_act_low; 130 u8 pclk_act_falling; 131 u8 full_mode; 132 u32 data_width_flags; 133 /* Using for ISI_CFG1 */ 134 u32 frate; 135}; 136 137#endif /* __ATMEL_ISI_H__ */