summaryrefslogtreecommitdiffstats
path: root/drivers/media/i2c/smiapp/smiapp.h
blob: e6a5ab402d7f8f115fd73a25bf2383d1534e09fe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
/*
 * drivers/media/i2c/smiapp/smiapp.h
 *
 * Generic driver for SMIA/SMIA++ compliant camera modules
 *
 * Copyright (C) 2010--2012 Nokia Corporation
 * Contact: Sakari Ailus <sakari.ailus@iki.fi>
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#ifndef __SMIAPP_PRIV_H_
#define __SMIAPP_PRIV_H_

#include <linux/mutex.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
#include <media/i2c/smiapp.h>

#include "smiapp-pll.h"
#include "smiapp-reg.h"
#include "smiapp-regs.h"
#include "smiapp-quirk.h"

/*
 * Standard SMIA++ constants
 */
#define SMIA_VERSION_1			10
#define SMIAPP_VERSION_0_8		8 /* Draft 0.8 */
#define SMIAPP_VERSION_0_9		9 /* Draft 0.9 */
#define SMIAPP_VERSION_1		10

#define SMIAPP_PROFILE_0		0
#define SMIAPP_PROFILE_1		1
#define SMIAPP_PROFILE_2		2

#define SMIAPP_NVM_PAGE_SIZE		64	/* bytes */

#define SMIAPP_RESET_DELAY_CLOCKS	2400
#define SMIAPP_RESET_DELAY(clk)				\
	(1000 +	(SMIAPP_RESET_DELAY_CLOCKS * 1000	\
		 + (clk) / 1000 - 1) / ((clk) / 1000))

#define SMIAPP_COLOUR_COMPONENTS	4

#include "smiapp-limits.h"

struct smiapp_quirk;

#define SMIAPP_MODULE_IDENT_FLAG_REV_LE		(1 << 0)

struct smiapp_module_ident {
	u8 manufacturer_id;
	u16 model_id;
	u8 revision_number_major;

	u8 flags;

	char *name;
	const struct smiapp_quirk *quirk;
};

struct smiapp_module_info {
	u32 manufacturer_id;
	u32 model_id;
	u32 revision_number_major;
	u32 revision_number_minor;

	u32 module_year;
	u32 module_month;
	u32 module_day;

	u32 sensor_manufacturer_id;
	u32 sensor_model_id;
	u32 sensor_revision_number;
	u32 sensor_firmware_version;

	u32 smia_version;
	u32 smiapp_version;

	u32 smiapp_profile;

	char *name;
	const struct smiapp_quirk *quirk;
};

#define SMIAPP_IDENT_FQ(manufacturer, model, rev, fl, _name, _quirk)	\
	{ .manufacturer_id = manufacturer,				\
	  .model_id = model,						\
	  .revision_number_major = rev,					\
	  .flags = fl,							\
	  .name = _name,						\
	  .quirk = _quirk, }

#define SMIAPP_IDENT_LQ(manufacturer, model, rev, _name, _quirk)	\
	{ .manufacturer_id = manufacturer,				\
	  .model_id = model,						\
	  .revision_number_major = rev,					\
	  .flags = SMIAPP_MODULE_IDENT_FLAG_REV_LE,			\
	  .name = _name,						\
	  .quirk = _quirk, }

#define SMIAPP_IDENT_L(manufacturer, model, rev, _name)			\
	{ .manufacturer_id = manufacturer,				\
	  .model_id = model,						\
	  .revision_number_major = rev,					\
	  .flags = SMIAPP_MODULE_IDENT_FLAG_REV_LE,			\
	  .name = _name, }

#define SMIAPP_IDENT_Q(manufacturer, model, rev, _name, _quirk)		\
	{ .manufacturer_id = manufacturer,				\
	  .model_id = model,						\
	  .revision_number_major = rev,					\
	  .flags = 0,							\
	  .name = _name,						\
	  .quirk = _quirk, }

#define SMIAPP_IDENT(manufacturer, model, rev, _name)			\
	{ .manufacturer_id = manufacturer,				\
	  .model_id = model,						\
	  .revision_number_major = rev,					\
	  .flags = 0,							\
	  .name = _name, }

struct smiapp_reg_limits {
	u32 addr;
	char *what;
};

extern struct smiapp_reg_limits smiapp_reg_limits[];

struct smiapp_csi_data_format {
	u32 code;
	u8 width;
	u8 compressed;
	u8 pixel_order;
};

#define SMIAPP_SUBDEVS			3

#define SMIAPP_PA_PAD_SRC		0
#define SMIAPP_PAD_SINK			0
#define SMIAPP_PAD_SRC			1
#define SMIAPP_PADS			2

struct smiapp_binning_subtype {
	u8 horizontal:4;
	u8 vertical:4;
} __packed;

struct smiapp_subdev {
	struct v4l2_subdev sd;
	struct media_pad pads[SMIAPP_PADS];
	struct v4l2_rect sink_fmt;
	struct v4l2_rect crop[SMIAPP_PADS];
	struct v4l2_rect compose; /* compose on sink */
	unsigned short sink_pad;
	unsigned short source_pad;
	int npads;
	struct smiapp_sensor *sensor;
	struct v4l2_ctrl_handler ctrl_handler;
};

/*
 * struct smiapp_sensor - Main device structure
 */
struct smiapp_sensor {
	/*
	 * "mutex" is used to serialise access to all fields here
	 * except v4l2_ctrls at the end of the struct. "mutex" is also
	 * used to serialise access to file handle specific
	 * information.
	 */
	struct mutex mutex;
	struct smiapp_subdev ssds[SMIAPP_SUBDEVS];
	u32 ssds_used;
	struct smiapp_subdev *src;
	struct smiapp_subdev *binner;
	struct smiapp_subdev *scaler;
	struct smiapp_subdev *pixel_array;
	struct smiapp_hwconfig *hwcfg;
	struct regulator *vana;
	struct clk *ext_clk;
	struct gpio_desc *xshutdown;
	u32 limits[SMIAPP_LIMIT_LAST];
	u8 nbinning_subtypes;
	struct smiapp_binning_subtype binning_subtypes[SMIAPP_BINNING_SUBTYPES];
	u32 mbus_frame_fmts;
	const struct smiapp_csi_data_format *csi_format;
	const struct smiapp_csi_data_format *internal_csi_format;
	u32 default_mbus_frame_fmts;
	int default_pixel_order;

	u8 binning_horizontal;
	u8 binning_vertical;

	u8 scale_m;
	u8 scaling_mode;

	u8 hvflip_inv_mask; /* H/VFLIP inversion due to sensor orientation */
	u8 frame_skip;
	bool active; /* is the sensor powered on? */
	u16 embedded_start; /* embedded data start line */
	u16 embedded_end;
	u16 image_start; /* image data start line */
	u16 visible_pixel_start; /* start pixel of the visible image */

	bool streaming;
	bool dev_init_done;
	u8 compressed_min_bpp;

	u8 *nvm;		/* nvm memory buffer */
	unsigned int nvm_size;	/* bytes */

	struct smiapp_module_info minfo;

	struct smiapp_pll pll;

	/* Is a default format supported for a given BPP? */
	unsigned long *valid_link_freqs;

	/* Pixel array controls */
	struct v4l2_ctrl *analog_gain;
	struct v4l2_ctrl *exposure;
	struct v4l2_ctrl *hflip;
	struct v4l2_ctrl *vflip;
	struct v4l2_ctrl *vblank;
	struct v4l2_ctrl *hblank;
	struct v4l2_ctrl *pixel_rate_parray;
	/* src controls */
	struct v4l2_ctrl *link_freq;
	struct v4l2_ctrl *pixel_rate_csi;
	/* test pattern colour components */
	struct v4l2_ctrl *test_data[SMIAPP_COLOUR_COMPONENTS];
};

#define to_smiapp_subdev(_sd)				\
	container_of(_sd, struct smiapp_subdev, sd)

#define to_smiapp_sensor(_sd)	\
	(to_smiapp_subdev(_sd)->sensor)

#endif /* __SMIAPP_PRIV_H_ */