4 * TI OMAP3 ISP - CSI2 module
6 * Copyright (C) 2010 Nokia Corporation
7 * Copyright (C) 2009 Texas Instruments, Inc.
9 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
10 * Sakari Ailus <sakari.ailus@iki.fi>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
17 #ifndef OMAP3_ISP_CSI2_H
18 #define OMAP3_ISP_CSI2_H
20 #include <linux/types.h>
21 #include <linux/videodev2.h>
25 /* This is not an exhaustive list */
26 enum isp_csi2_pix_formats {
27 CSI2_PIX_FMT_OTHERS = 0,
28 CSI2_PIX_FMT_YUV422_8BIT = 0x1e,
29 CSI2_PIX_FMT_YUV422_8BIT_VP = 0x9e,
30 CSI2_PIX_FMT_RAW10_EXP16 = 0xab,
31 CSI2_PIX_FMT_RAW10_EXP16_VP = 0x12f,
32 CSI2_PIX_FMT_RAW8 = 0x2a,
33 CSI2_PIX_FMT_RAW8_DPCM10_EXP16 = 0x2aa,
34 CSI2_PIX_FMT_RAW8_DPCM10_VP = 0x32a,
35 CSI2_PIX_FMT_RAW8_VP = 0x12a,
36 CSI2_USERDEF_8BIT_DATA1_DPCM10_VP = 0x340,
37 CSI2_USERDEF_8BIT_DATA1_DPCM10 = 0x2c0,
38 CSI2_USERDEF_8BIT_DATA1 = 0x40,
41 enum isp_csi2_irqevents {
43 SHORT_PACKET_IRQ = 0x2000,
44 ECC_CORRECTION_IRQ = 0x1000,
45 ECC_NO_CORRECTION_IRQ = 0x800,
46 COMPLEXIO2_ERR_IRQ = 0x400,
47 COMPLEXIO1_ERR_IRQ = 0x200,
59 enum isp_csi2_ctx_irqevents {
60 CTX_ECC_CORRECTION = 0x100,
61 CTX_LINE_NUMBER = 0x80,
62 CTX_FRAME_NUMBER = 0x40,
70 enum isp_csi2_frame_mode {
71 ISP_CSI2_FRAME_IMMEDIATE,
72 ISP_CSI2_FRAME_AFTERFEC,
75 #define ISP_CSI2_MAX_CTX_NUM 7
77 struct isp_csi2_ctx_cfg {
78 u8 ctxnum; /* context number 0 - 7 */
81 /* Fields in CSI2_CTx_CTRL2 - locked by CSI2_CTx_CTRL1.CTX_EN */
83 u16 format_id; /* as in CSI2_CTx_CTRL2[9:0] */
84 u8 dpcm_predictor; /* 1: simple, 0: advanced */
86 /* Fields in CSI2_CTx_CTRL1/3 - Shadowed */
97 struct isp_csi2_timing_cfg {
98 u8 ionum; /* IO1 or IO2 as in CSI2_TIMING */
99 unsigned force_rx_mode:1;
100 unsigned stop_state_16x:1;
101 unsigned stop_state_4x:1;
102 u16 stop_state_counter;
105 struct isp_csi2_ctrl_cfg {
109 enum isp_csi2_frame_mode frame_mode;
114 #define CSI2_PAD_SINK 0
115 #define CSI2_PAD_SOURCE 1
116 #define CSI2_PADS_NUM 2
118 #define CSI2_OUTPUT_CCDC (1 << 0)
119 #define CSI2_OUTPUT_MEMORY (1 << 1)
121 struct isp_csi2_device {
122 struct v4l2_subdev subdev;
123 struct media_pad pads[CSI2_PADS_NUM];
124 struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM];
126 struct isp_video video_out;
127 struct isp_device *isp;
129 u8 available; /* Is the IP present on the silicon? */
131 /* mem resources - enums as defined in enum isp_mem_resources */
135 u32 output; /* output to CCDC, memory or both? */
136 bool dpcm_decompress;
137 unsigned int frame_skip;
139 struct isp_csiphy *phy;
140 struct isp_csi2_ctx_cfg contexts[ISP_CSI2_MAX_CTX_NUM + 1];
141 struct isp_csi2_timing_cfg timing[2];
142 struct isp_csi2_ctrl_cfg ctrl;
143 enum isp_pipeline_stream_state state;
144 wait_queue_head_t wait;
148 void omap3isp_csi2_isr(struct isp_csi2_device *csi2);
149 int omap3isp_csi2_reset(struct isp_csi2_device *csi2);
150 int omap3isp_csi2_init(struct isp_device *isp);
151 void omap3isp_csi2_cleanup(struct isp_device *isp);
152 void omap3isp_csi2_unregister_entities(struct isp_csi2_device *csi2);
153 int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2,
154 struct v4l2_device *vdev);
155 #endif /* OMAP3_ISP_CSI2_H */