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1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Medifield PNW Camera Imaging ISP subsystem.
4  *
5  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License version
9  * 2 as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  *
17  */
18 #ifndef ATOMISP_PLATFORM_H_
19 #define ATOMISP_PLATFORM_H_
20 
21 #include <asm/intel-family.h>
22 #include <asm/processor.h>
23 
24 #include <linux/i2c.h>
25 #include <linux/sfi.h>
26 #include <media/v4l2-subdev.h>
27 #include "atomisp.h"
28 
29 #define MAX_SENSORS_PER_PORT 4
30 #define MAX_STREAMS_PER_CHANNEL 2
31 
32 #define CAMERA_MODULE_ID_LEN 64
33 
34 enum atomisp_bayer_order {
35 	atomisp_bayer_order_grbg,
36 	atomisp_bayer_order_rggb,
37 	atomisp_bayer_order_bggr,
38 	atomisp_bayer_order_gbrg
39 };
40 
41 enum atomisp_input_stream_id {
42 	ATOMISP_INPUT_STREAM_GENERAL = 0,
43 	ATOMISP_INPUT_STREAM_CAPTURE = 0,
44 	ATOMISP_INPUT_STREAM_POSTVIEW,
45 	ATOMISP_INPUT_STREAM_PREVIEW,
46 	ATOMISP_INPUT_STREAM_VIDEO,
47 	ATOMISP_INPUT_STREAM_NUM
48 };
49 
50 enum atomisp_input_format {
51 	ATOMISP_INPUT_FORMAT_YUV420_8_LEGACY,/* 8 bits per subpixel (legacy) */
52 	ATOMISP_INPUT_FORMAT_YUV420_8, /* 8 bits per subpixel */
53 	ATOMISP_INPUT_FORMAT_YUV420_10,/* 10 bits per subpixel */
54 	ATOMISP_INPUT_FORMAT_YUV420_16,/* 16 bits per subpixel */
55 	ATOMISP_INPUT_FORMAT_YUV422_8, /* UYVY..UVYV, 8 bits per subpixel */
56 	ATOMISP_INPUT_FORMAT_YUV422_10,/* UYVY..UVYV, 10 bits per subpixel */
57 	ATOMISP_INPUT_FORMAT_YUV422_16,/* UYVY..UVYV, 16 bits per subpixel */
58 	ATOMISP_INPUT_FORMAT_RGB_444,  /* BGR..BGR, 4 bits per subpixel */
59 	ATOMISP_INPUT_FORMAT_RGB_555,  /* BGR..BGR, 5 bits per subpixel */
60 	ATOMISP_INPUT_FORMAT_RGB_565,  /* BGR..BGR, 5 bits B and R, 6 bits G */
61 	ATOMISP_INPUT_FORMAT_RGB_666,  /* BGR..BGR, 6 bits per subpixel */
62 	ATOMISP_INPUT_FORMAT_RGB_888,  /* BGR..BGR, 8 bits per subpixel */
63 	ATOMISP_INPUT_FORMAT_RAW_6,    /* RAW data, 6 bits per pixel */
64 	ATOMISP_INPUT_FORMAT_RAW_7,    /* RAW data, 7 bits per pixel */
65 	ATOMISP_INPUT_FORMAT_RAW_8,    /* RAW data, 8 bits per pixel */
66 	ATOMISP_INPUT_FORMAT_RAW_10,   /* RAW data, 10 bits per pixel */
67 	ATOMISP_INPUT_FORMAT_RAW_12,   /* RAW data, 12 bits per pixel */
68 	ATOMISP_INPUT_FORMAT_RAW_14,   /* RAW data, 14 bits per pixel */
69 	ATOMISP_INPUT_FORMAT_RAW_16,   /* RAW data, 16 bits per pixel */
70 	ATOMISP_INPUT_FORMAT_BINARY_8, /* Binary byte stream. */
71 
72 	/* CSI2-MIPI specific format: Generic short packet data. It is used to
73 	 * keep the timing information for the opening/closing of shutters,
74 	 * triggering of flashes and etc.
75 	 */
76 	ATOMISP_INPUT_FORMAT_GENERIC_SHORT1,  /* Generic Short Packet Code 1 */
77 	ATOMISP_INPUT_FORMAT_GENERIC_SHORT2,  /* Generic Short Packet Code 2 */
78 	ATOMISP_INPUT_FORMAT_GENERIC_SHORT3,  /* Generic Short Packet Code 3 */
79 	ATOMISP_INPUT_FORMAT_GENERIC_SHORT4,  /* Generic Short Packet Code 4 */
80 	ATOMISP_INPUT_FORMAT_GENERIC_SHORT5,  /* Generic Short Packet Code 5 */
81 	ATOMISP_INPUT_FORMAT_GENERIC_SHORT6,  /* Generic Short Packet Code 6 */
82 	ATOMISP_INPUT_FORMAT_GENERIC_SHORT7,  /* Generic Short Packet Code 7 */
83 	ATOMISP_INPUT_FORMAT_GENERIC_SHORT8,  /* Generic Short Packet Code 8 */
84 
85 	/* CSI2-MIPI specific format: YUV data.
86 	 */
87 	ATOMISP_INPUT_FORMAT_YUV420_8_SHIFT,  /* YUV420 8-bit (Chroma Shifted
88 						 Pixel Sampling) */
89 	ATOMISP_INPUT_FORMAT_YUV420_10_SHIFT, /* YUV420 8-bit (Chroma Shifted
90 						 Pixel Sampling) */
91 
92 	/* CSI2-MIPI specific format: Generic long packet data
93 	 */
94 	ATOMISP_INPUT_FORMAT_EMBEDDED, /* Embedded 8-bit non Image Data */
95 
96 	/* CSI2-MIPI specific format: User defined byte-based data. For example,
97 	 * the data transmitter (e.g. the SoC sensor) can keep the JPEG data as
98 	 * the User Defined Data Type 4 and the MPEG data as the
99 	 * User Defined Data Type 7.
100 	 */
101 	ATOMISP_INPUT_FORMAT_USER_DEF1,  /* User defined 8-bit data type 1 */
102 	ATOMISP_INPUT_FORMAT_USER_DEF2,  /* User defined 8-bit data type 2 */
103 	ATOMISP_INPUT_FORMAT_USER_DEF3,  /* User defined 8-bit data type 3 */
104 	ATOMISP_INPUT_FORMAT_USER_DEF4,  /* User defined 8-bit data type 4 */
105 	ATOMISP_INPUT_FORMAT_USER_DEF5,  /* User defined 8-bit data type 5 */
106 	ATOMISP_INPUT_FORMAT_USER_DEF6,  /* User defined 8-bit data type 6 */
107 	ATOMISP_INPUT_FORMAT_USER_DEF7,  /* User defined 8-bit data type 7 */
108 	ATOMISP_INPUT_FORMAT_USER_DEF8,  /* User defined 8-bit data type 8 */
109 };
110 
111 #define N_ATOMISP_INPUT_FORMAT (ATOMISP_INPUT_FORMAT_USER_DEF8 + 1)
112 
113 enum intel_v4l2_subdev_type {
114 	RAW_CAMERA = 1,
115 	SOC_CAMERA = 2,
116 	CAMERA_MOTOR = 3,
117 	LED_FLASH = 4,
118 	XENON_FLASH = 5,
119 	FILE_INPUT = 6,
120 	TEST_PATTERN = 7,
121 };
122 
123 struct intel_v4l2_subdev_id {
124 	char name[17];
125 	enum intel_v4l2_subdev_type type;
126 	enum atomisp_camera_port    port;
127 };
128 
129 struct intel_v4l2_subdev_i2c_board_info {
130 	struct i2c_board_info board_info;
131 	int i2c_adapter_id;
132 };
133 
134 struct intel_v4l2_subdev_table {
135 	struct intel_v4l2_subdev_i2c_board_info v4l2_subdev;
136 	enum intel_v4l2_subdev_type type;
137 	enum atomisp_camera_port port;
138 	struct v4l2_subdev *subdev;
139 };
140 
141 struct atomisp_platform_data {
142 	struct intel_v4l2_subdev_table *subdevs;
143 };
144 
145 /* Describe the capacities of one single sensor. */
146 struct atomisp_sensor_caps {
147 	/* The number of streams this sensor can output. */
148 	int stream_num;
149 	bool is_slave;
150 };
151 
152 /* Describe the capacities of sensors connected to one camera port. */
153 struct atomisp_camera_caps {
154 	/* The number of sensors connected to this camera port. */
155 	int sensor_num;
156 	/* The capacities of each sensor. */
157 	struct atomisp_sensor_caps sensor[MAX_SENSORS_PER_PORT];
158 	/* Define whether stream control is required for multiple streams. */
159 	bool multi_stream_ctrl;
160 };
161 
162 /*
163  *  Sensor of external ISP can send multiple steams with different mipi data
164  * type in the same virtual channel. This information needs to come from the
165  * sensor or external ISP
166  */
167 struct atomisp_isys_config_info {
168 	u8 input_format;
169 	u16 width;
170 	u16 height;
171 };
172 
173 struct atomisp_input_stream_info {
174 	enum atomisp_input_stream_id stream;
175 	u8 enable;
176 	/* Sensor driver fills ch_id with the id
177 	   of the virtual channel. */
178 	u8 ch_id;
179 	/* Tells how many streams in this virtual channel. If 0 ignore rest
180 	 * and the input format will be from mipi_info */
181 	u8 isys_configs;
182 	/*
183 	 * if more isys_configs is more than 0, sensor needs to configure the
184 	 * input format differently. width and height can be 0. If width and
185 	 * height is not zero, then the corresponsing data needs to be set
186 	 */
187 	struct atomisp_isys_config_info isys_info[MAX_STREAMS_PER_CHANNEL];
188 };
189 
190 struct camera_vcm_control;
191 struct camera_vcm_ops {
192 	int (*power_up)(struct v4l2_subdev *sd, struct camera_vcm_control *vcm);
193 	int (*power_down)(struct v4l2_subdev *sd,
194 			  struct camera_vcm_control *vcm);
195 	int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc,
196 			 struct camera_vcm_control *vcm);
197 	int (*g_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl,
198 		      struct camera_vcm_control *vcm);
199 	int (*s_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl,
200 		      struct camera_vcm_control *vcm);
201 };
202 
203 struct camera_vcm_control {
204 	char camera_module[CAMERA_MODULE_ID_LEN];
205 	struct camera_vcm_ops *ops;
206 	struct list_head list;
207 };
208 
209 struct camera_sensor_platform_data {
210 	int (*flisclk_ctrl)(struct v4l2_subdev *subdev, int flag);
211 	int (*csi_cfg)(struct v4l2_subdev *subdev, int flag);
212 
213 	/*
214 	 * New G-Min power and GPIO interface to control individual
215 	 * lines as implemented on all known camera modules.
216 	 */
217 	int (*gpio0_ctrl)(struct v4l2_subdev *subdev, int on);
218 	int (*gpio1_ctrl)(struct v4l2_subdev *subdev, int on);
219 	int (*v1p8_ctrl)(struct v4l2_subdev *subdev, int on);
220 	int (*v2p8_ctrl)(struct v4l2_subdev *subdev, int on);
221 	int (*v1p2_ctrl)(struct v4l2_subdev *subdev, int on);
222 	struct camera_vcm_control *(*get_vcm_ctrl)(struct v4l2_subdev *subdev,
223 		char *module_id);
224 };
225 
226 struct camera_mipi_info {
227 	enum atomisp_camera_port        port;
228 	unsigned int                    num_lanes;
229 	enum atomisp_input_format       input_format;
230 	enum atomisp_bayer_order        raw_bayer_order;
231 	struct atomisp_sensor_mode_data data;
232 	enum atomisp_input_format       metadata_format;
233 	u32                             metadata_width;
234 	u32                             metadata_height;
235 	const u32                       *metadata_effective_width;
236 };
237 
238 const struct atomisp_platform_data *atomisp_get_platform_data(void);
239 const struct atomisp_camera_caps *atomisp_get_default_camera_caps(void);
240 
241 /* API from old platform_camera.h, new CPUID implementation */
242 #define __IS_SOC(x) (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL && \
243 		     boot_cpu_data.x86 == 6 &&                       \
244 		     boot_cpu_data.x86_model == (x))
245 #define __IS_SOCS(x,y) (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL && \
246 		        boot_cpu_data.x86 == 6 &&                       \
247 		        (boot_cpu_data.x86_model == (x) || \
248 		         boot_cpu_data.x86_model == (y)))
249 
250 #define IS_MFLD	__IS_SOC(INTEL_FAM6_ATOM_SALTWELL_MID)
251 #define IS_BYT	__IS_SOC(INTEL_FAM6_ATOM_SILVERMONT)
252 #define IS_CHT	__IS_SOC(INTEL_FAM6_ATOM_AIRMONT)
253 #define IS_MRFD	__IS_SOC(INTEL_FAM6_ATOM_SILVERMONT_MID)
254 #define IS_MOFD	__IS_SOC(INTEL_FAM6_ATOM_AIRMONT_MID)
255 
256 /* Both CHT and MOFD come with ISP2401 */
257 #define IS_ISP2401 __IS_SOCS(INTEL_FAM6_ATOM_AIRMONT, \
258 			     INTEL_FAM6_ATOM_AIRMONT_MID)
259 
260 #endif /* ATOMISP_PLATFORM_H_ */
261