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gerrit-public.fairphone.software / kernel / msm-4.19 / 3acd395317f22b4346a139571cd4723408c5d4af / . / drivers / media / video / omap3isp / ispcsi2.h
blob: 885ad79a767842726bb93653517a11a9dfeacea9 [file] [log] [blame]
Laurent Pinchart121e9f12011-02-12 18:05:06 -0300[diff] [blame]1/*
2 * ispcsi2.h
3 *
4 * TI OMAP3 ISP - CSI2 module
5 *
6 * Copyright (C) 2010 Nokia Corporation
7 * Copyright (C) 2009 Texas Instruments, Inc.
8 *
9 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
10 * Sakari Ailus <sakari.ailus@iki.fi>
11 *
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.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
24 * 02110-1301 USA
25 */
26
27#ifndef OMAP3_ISP_CSI2_H
28#define OMAP3_ISP_CSI2_H
29
30#include <linux/types.h>
31#include <linux/videodev2.h>
32
33struct isp_csiphy;
34
35/* This is not an exhaustive list */
36enum isp_csi2_pix_formats {
37 CSI2_PIX_FMT_OTHERS = 0,
38 CSI2_PIX_FMT_YUV422_8BIT = 0x1e,
39 CSI2_PIX_FMT_YUV422_8BIT_VP = 0x9e,
40 CSI2_PIX_FMT_RAW10_EXP16 = 0xab,
41 CSI2_PIX_FMT_RAW10_EXP16_VP = 0x12f,
42 CSI2_PIX_FMT_RAW8 = 0x2a,
43 CSI2_PIX_FMT_RAW8_DPCM10_EXP16 = 0x2aa,
44 CSI2_PIX_FMT_RAW8_DPCM10_VP = 0x32a,
45 CSI2_PIX_FMT_RAW8_VP = 0x12a,
46 CSI2_USERDEF_8BIT_DATA1_DPCM10_VP = 0x340,
47 CSI2_USERDEF_8BIT_DATA1_DPCM10 = 0x2c0,
48 CSI2_USERDEF_8BIT_DATA1 = 0x40,
49};
50
51enum isp_csi2_irqevents {
52 OCP_ERR_IRQ = 0x4000,
53 SHORT_PACKET_IRQ = 0x2000,
54 ECC_CORRECTION_IRQ = 0x1000,
55 ECC_NO_CORRECTION_IRQ = 0x800,
56 COMPLEXIO2_ERR_IRQ = 0x400,
57 COMPLEXIO1_ERR_IRQ = 0x200,
58 FIFO_OVF_IRQ = 0x100,
59 CONTEXT7 = 0x80,
60 CONTEXT6 = 0x40,
61 CONTEXT5 = 0x20,
62 CONTEXT4 = 0x10,
63 CONTEXT3 = 0x8,
64 CONTEXT2 = 0x4,
65 CONTEXT1 = 0x2,
66 CONTEXT0 = 0x1,
67};
68
69enum isp_csi2_ctx_irqevents {
70 CTX_ECC_CORRECTION = 0x100,
71 CTX_LINE_NUMBER = 0x80,
72 CTX_FRAME_NUMBER = 0x40,
73 CTX_CS = 0x20,
74 CTX_LE = 0x8,
75 CTX_LS = 0x4,
76 CTX_FE = 0x2,
77 CTX_FS = 0x1,
78};
79
80enum isp_csi2_frame_mode {
81 ISP_CSI2_FRAME_IMMEDIATE,
82 ISP_CSI2_FRAME_AFTERFEC,
83};
84
85#define ISP_CSI2_MAX_CTX_NUM 7
86
87struct isp_csi2_ctx_cfg {
88 u8 ctxnum; /* context number 0 - 7 */
89 u8 dpcm_decompress;
90
91 /* Fields in CSI2_CTx_CTRL2 - locked by CSI2_CTx_CTRL1.CTX_EN */
92 u8 virtual_id;
93 u16 format_id; /* as in CSI2_CTx_CTRL2[9:0] */
94 u8 dpcm_predictor; /* 1: simple, 0: advanced */
95
96 /* Fields in CSI2_CTx_CTRL1/3 - Shadowed */
97 u16 alpha;
98 u16 data_offset;
99 u32 ping_addr;
100 u32 pong_addr;
101 u8 eof_enabled;
102 u8 eol_enabled;
103 u8 checksum_enabled;
104 u8 enabled;
105};
106
107struct isp_csi2_timing_cfg {
108 u8 ionum; /* IO1 or IO2 as in CSI2_TIMING */
109 unsigned force_rx_mode:1;
110 unsigned stop_state_16x:1;
111 unsigned stop_state_4x:1;
112 u16 stop_state_counter;
113};
114
115struct isp_csi2_ctrl_cfg {
116 bool vp_clk_enable;
117 bool vp_only_enable;
118 u8 vp_out_ctrl;
119 enum isp_csi2_frame_mode frame_mode;
120 bool ecc_enable;
121 bool if_enable;
122};
123
124#define CSI2_PAD_SINK 0
125#define CSI2_PAD_SOURCE 1
126#define CSI2_PADS_NUM 2
127
128#define CSI2_OUTPUT_CCDC (1 << 0)
129#define CSI2_OUTPUT_MEMORY (1 << 1)
130
131struct isp_csi2_device {
132 struct v4l2_subdev subdev;
133 struct media_pad pads[CSI2_PADS_NUM];
134 struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM];
135
136 struct isp_video video_out;
137 struct isp_device *isp;
138
139 u8 available; /* Is the IP present on the silicon? */
140
141 /* mem resources - enums as defined in enum isp_mem_resources */
142 u8 regs1;
143 u8 regs2;
144
145 u32 output; /* output to CCDC, memory or both? */
146 bool dpcm_decompress;
147 unsigned int frame_skip;
148 bool use_fs_irq;
149
150 struct isp_csiphy *phy;
151 struct isp_csi2_ctx_cfg contexts[ISP_CSI2_MAX_CTX_NUM + 1];
152 struct isp_csi2_timing_cfg timing[2];
153 struct isp_csi2_ctrl_cfg ctrl;
154 enum isp_pipeline_stream_state state;
155 wait_queue_head_t wait;
156 atomic_t stopping;
157};
158
Laurent Pinchart875e2e32011-12-07 08:34:50 -0300[diff] [blame]159void omap3isp_csi2_isr(struct isp_csi2_device *csi2);
Laurent Pinchart121e9f12011-02-12 18:05:06 -0300[diff] [blame]160int omap3isp_csi2_reset(struct isp_csi2_device *csi2);
161int omap3isp_csi2_init(struct isp_device *isp);
162void omap3isp_csi2_cleanup(struct isp_device *isp);
163void omap3isp_csi2_unregister_entities(struct isp_csi2_device *csi2);
164int omap3isp_csi2_register_entities(struct isp_csi2_device *csi2,
165 struct v4l2_device *vdev);
166#endif /* OMAP3_ISP_CSI2_H */