1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Support for GalaxyCore GC2235 2M camera sensor.
4 *
5 * Copyright (c) 2014 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 * You should have received a copy of the GNU General Public License
17 * along with this program.
18 *
19 */
20
21#ifndef __GC2235_H__
22#define __GC2235_H__
23#include <linux/kernel.h>
24#include <linux/types.h>
25#include <linux/i2c.h>
26#include <linux/delay.h>
27#include <linux/videodev2.h>
28#include <linux/spinlock.h>
29#include <media/v4l2-subdev.h>
30#include <media/v4l2-device.h>
31#include <media/v4l2-ctrls.h>
32#include <linux/v4l2-mediabus.h>
33#include <media/media-entity.h>
34
35#include "../include/linux/atomisp_platform.h"
36
37/*
38 * FIXME: non-preview resolutions are currently broken
39 */
40#define ENABLE_NON_PREVIEW     0
41
42/* Defines for register writes and register array processing */
43#define I2C_MSG_LENGTH		0x2
44#define I2C_RETRY_COUNT		5
45
46#define GC2235_FOCAL_LENGTH_NUM	278	/*2.78mm*/
47
48#define MAX_FMTS		1
49
50/*
51 * focal length bits definition:
52 * bits 31-16: numerator, bits 15-0: denominator
53 */
54#define GC2235_FOCAL_LENGTH_DEFAULT 0x1160064
55
56/*
57 * current f-number bits definition:
58 * bits 31-16: numerator, bits 15-0: denominator
59 */
60#define GC2235_F_NUMBER_DEFAULT 0x1a000a
61
62/*
63 * f-number range bits definition:
64 * bits 31-24: max f-number numerator
65 * bits 23-16: max f-number denominator
66 * bits 15-8: min f-number numerator
67 * bits 7-0: min f-number denominator
68 */
69#define GC2235_F_NUMBER_RANGE 0x1a0a1a0a
70#define GC2235_ID	0x2235
71
72#define GC2235_FINE_INTG_TIME_MIN 0
73#define GC2235_FINE_INTG_TIME_MAX_MARGIN 0
74#define GC2235_COARSE_INTG_TIME_MIN 1
75#define GC2235_COARSE_INTG_TIME_MAX_MARGIN 6
76
77/*
78 * GC2235 System control registers
79 */
80#define GC2235_SENSOR_ID_H		0xF0
81#define GC2235_SENSOR_ID_L		0xF1
82#define GC2235_RESET_RELATED		0xFE
83#define GC2235_SW_RESET			0x8
84#define GC2235_MIPI_RESET		0x3
85#define GC2235_RESET_BIT		0x4
86#define GC2235_REGISTER_PAGE_0		0x0
87#define GC2235_REGISTER_PAGE_3		0x3
88
89#define GC2235_V_CROP_START_H		0x91
90#define GC2235_V_CROP_START_L		0x92
91#define GC2235_H_CROP_START_H		0x93
92#define GC2235_H_CROP_START_L		0x94
93#define GC2235_V_OUTSIZE_H		0x95
94#define GC2235_V_OUTSIZE_L		0x96
95#define GC2235_H_OUTSIZE_H		0x97
96#define GC2235_H_OUTSIZE_L		0x98
97
98#define GC2235_HB_H			0x5
99#define GC2235_HB_L			0x6
100#define GC2235_VB_H			0x7
101#define GC2235_VB_L			0x8
102#define GC2235_SH_DELAY_H		0x11
103#define GC2235_SH_DELAY_L		0x12
104
105#define GC2235_CSI2_MODE		0x10
106
107#define GC2235_EXPOSURE_H		0x3
108#define GC2235_EXPOSURE_L		0x4
109#define GC2235_GLOBAL_GAIN		0xB0
110#define GC2235_PRE_GAIN			0xB1
111#define GC2235_AWB_R_GAIN		0xB3
112#define GC2235_AWB_G_GAIN		0xB4
113#define GC2235_AWB_B_GAIN		0xB5
114
115#define GC2235_START_STREAMING		0x91
116#define GC2235_STOP_STREAMING		0x0
117
118struct regval_list {
119	u16 reg_num;
120	u8 value;
121};
122
123struct gc2235_resolution {
124	u8 *desc;
125	const struct gc2235_reg *regs;
126	int res;
127	int width;
128	int height;
129	int fps;
130	int pix_clk_freq;
131	u32 skip_frames;
132	u16 pixels_per_line;
133	u16 lines_per_frame;
134	bool used;
135};
136
137struct gc2235_format {
138	u8 *desc;
139	u32 pixelformat;
140	struct gc2235_reg *regs;
141};
142
143/*
144 * gc2235 device structure.
145 */
146struct gc2235_device {
147	struct v4l2_subdev sd;
148	struct media_pad pad;
149	struct v4l2_mbus_framefmt format;
150	struct mutex input_lock;
151	struct v4l2_ctrl_handler ctrl_handler;
152	struct gc2235_resolution *res;
153
154	struct camera_sensor_platform_data *platform_data;
155	u8 type;
156};
157
158enum gc2235_tok_type {
159	GC2235_8BIT  = 0x0001,
160	GC2235_16BIT = 0x0002,
161	GC2235_32BIT = 0x0004,
162	GC2235_TOK_TERM   = 0xf000,	/* terminating token for reg list */
163	GC2235_TOK_DELAY  = 0xfe00,	/* delay token for reg list */
164	GC2235_TOK_MASK = 0xfff0
165};
166
167/*
168 * struct gc2235_reg - MI sensor  register format
169 * @type: type of the register
170 * @reg: 8-bit offset to register
171 * @val: 8/16/32-bit register value
172 *
173 * Define a structure for sensor register initialization values
174 */
175struct gc2235_reg {
176	enum gc2235_tok_type type;
177	u8 reg;
178	u32 val;	/* @set value for read/mod/write, @mask */
179};
180
181#define to_gc2235_sensor(x) container_of(x, struct gc2235_device, sd)
182
183#define GC2235_MAX_WRITE_BUF_SIZE	30
184
185struct gc2235_write_buffer {
186	u8 addr;
187	u8 data[GC2235_MAX_WRITE_BUF_SIZE];
188};
189
190struct gc2235_write_ctrl {
191	int index;
192	struct gc2235_write_buffer buffer;
193};
194
195static struct gc2235_reg const gc2235_stream_on[] = {
196	{ GC2235_8BIT, 0xfe, 0x03}, /* switch to P3 */
197	{ GC2235_8BIT, 0x10, 0x91}, /* start mipi */
198	{ GC2235_8BIT, 0xfe, 0x00}, /* switch to P0 */
199	{ GC2235_TOK_TERM, 0, 0 }
200};
201
202static struct gc2235_reg const gc2235_stream_off[] = {
203	{ GC2235_8BIT, 0xfe, 0x03}, /* switch to P3 */
204	{ GC2235_8BIT, 0x10, 0x01}, /* stop mipi */
205	{ GC2235_8BIT, 0xfe, 0x00}, /* switch to P0 */
206	{ GC2235_TOK_TERM, 0, 0 }
207};
208
209static struct gc2235_reg const gc2235_init_settings[] = {
210	/* System */
211	{ GC2235_8BIT, 0xfe, 0x80 },
212	{ GC2235_8BIT, 0xfe, 0x80 },
213	{ GC2235_8BIT, 0xfe, 0x80 },
214	{ GC2235_8BIT, 0xf2, 0x00 },
215	{ GC2235_8BIT, 0xf6, 0x00 },
216	{ GC2235_8BIT, 0xfc, 0x06 },
217	{ GC2235_8BIT, 0xf7, 0x15 },
218	{ GC2235_8BIT, 0xf8, 0x84 },
219	{ GC2235_8BIT, 0xf9, 0xfe },
220	{ GC2235_8BIT, 0xfa, 0x00 },
221	{ GC2235_8BIT, 0xfe, 0x00 },
222	/* Analog & cisctl */
223	{ GC2235_8BIT, 0x03, 0x04 },
224	{ GC2235_8BIT, 0x04, 0x9E },
225	{ GC2235_8BIT, 0x05, 0x00 },
226	{ GC2235_8BIT, 0x06, 0xfd },
227	{ GC2235_8BIT, 0x07, 0x00 },
228	{ GC2235_8BIT, 0x08, 0x14 },
229	{ GC2235_8BIT, 0x0a, 0x02 }, /* row start */
230	{ GC2235_8BIT, 0x0c, 0x00 }, /* col start */
231	{ GC2235_8BIT, 0x0d, 0x04 }, /* win height 1232 */
232	{ GC2235_8BIT, 0x0e, 0xd0 },
233	{ GC2235_8BIT, 0x0f, 0x06 }, /* win width: 1616 */
234	{ GC2235_8BIT, 0x10, 0x60 },
235	{ GC2235_8BIT, 0x17, 0x15 }, /* mirror flip */
236	{ GC2235_8BIT, 0x18, 0x1a },
237	{ GC2235_8BIT, 0x19, 0x06 },
238	{ GC2235_8BIT, 0x1a, 0x01 },
239	{ GC2235_8BIT, 0x1b, 0x4d },
240	{ GC2235_8BIT, 0x1e, 0x88 },
241	{ GC2235_8BIT, 0x1f, 0x48 },
242	{ GC2235_8BIT, 0x20, 0x03 },
243	{ GC2235_8BIT, 0x21, 0x7f },
244	{ GC2235_8BIT, 0x22, 0x83 },
245	{ GC2235_8BIT, 0x23, 0x42 },
246	{ GC2235_8BIT, 0x24, 0x16 },
247	{ GC2235_8BIT, 0x26, 0x01 }, /*analog gain*/
248	{ GC2235_8BIT, 0x27, 0x30 },
249	{ GC2235_8BIT, 0x3f, 0x00 }, /* PRC */
250	/* blk */
251	{ GC2235_8BIT, 0x40, 0xa3 },
252	{ GC2235_8BIT, 0x41, 0x82 },
253	{ GC2235_8BIT, 0x43, 0x20 },
254	{ GC2235_8BIT, 0x5e, 0x18 },
255	{ GC2235_8BIT, 0x5f, 0x18 },
256	{ GC2235_8BIT, 0x60, 0x18 },
257	{ GC2235_8BIT, 0x61, 0x18 },
258	{ GC2235_8BIT, 0x62, 0x18 },
259	{ GC2235_8BIT, 0x63, 0x18 },
260	{ GC2235_8BIT, 0x64, 0x18 },
261	{ GC2235_8BIT, 0x65, 0x18 },
262	{ GC2235_8BIT, 0x66, 0x20 },
263	{ GC2235_8BIT, 0x67, 0x20 },
264	{ GC2235_8BIT, 0x68, 0x20 },
265	{ GC2235_8BIT, 0x69, 0x20 },
266	/* Gain */
267	{ GC2235_8BIT, 0xb2, 0x00 },
268	{ GC2235_8BIT, 0xb3, 0x40 },
269	{ GC2235_8BIT, 0xb4, 0x40 },
270	{ GC2235_8BIT, 0xb5, 0x40 },
271	/* Dark sun */
272	{ GC2235_8BIT, 0xbc, 0x00 },
273
274	{ GC2235_8BIT, 0xfe, 0x03 },
275	{ GC2235_8BIT, 0x10, 0x01 }, /* disable mipi */
276	{ GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */
277	{ GC2235_TOK_TERM, 0, 0 }
278};
279
280/*
281 * Register settings for various resolution
282 */
283#if ENABLE_NON_PREVIEW
284static struct gc2235_reg const gc2235_1296_736_30fps[] = {
285	{ GC2235_8BIT, 0x8b, 0xa0 },
286	{ GC2235_8BIT, 0x8c, 0x02 },
287
288	{ GC2235_8BIT, 0x07, 0x01 }, /* VBI */
289	{ GC2235_8BIT, 0x08, 0x44 },
290	{ GC2235_8BIT, 0x09, 0x00 }, /* row start */
291	{ GC2235_8BIT, 0x0a, 0xf0 },
292	{ GC2235_8BIT, 0x0b, 0x00 }, /* col start */
293	{ GC2235_8BIT, 0x0c, 0xa0 },
294	{ GC2235_8BIT, 0x0d, 0x02 }, /* win height 736 */
295	{ GC2235_8BIT, 0x0e, 0xf0 },
296	{ GC2235_8BIT, 0x0f, 0x05 }, /* win width: 1296 */
297	{ GC2235_8BIT, 0x10, 0x20 },
298
299	{ GC2235_8BIT, 0x90, 0x01 },
300	{ GC2235_8BIT, 0x92, 0x08 },
301	{ GC2235_8BIT, 0x94, 0x08 },
302	{ GC2235_8BIT, 0x95, 0x02 }, /* crop win height 736 */
303	{ GC2235_8BIT, 0x96, 0xe0 },
304	{ GC2235_8BIT, 0x97, 0x05 }, /* crop win width 1296 */
305	{ GC2235_8BIT, 0x98, 0x10 },
306	/* mimi init */
307	{ GC2235_8BIT, 0xfe, 0x03 }, /* switch to P3 */
308	{ GC2235_8BIT, 0x01, 0x07 },
309	{ GC2235_8BIT, 0x02, 0x11 },
310	{ GC2235_8BIT, 0x03, 0x11 },
311	{ GC2235_8BIT, 0x06, 0x80 },
312	{ GC2235_8BIT, 0x11, 0x2b },
313	/* set mipi buffer */
314	{ GC2235_8BIT, 0x12, 0x54 }, /* val_low = (width * 10 / 8) & 0xFF */
315	{ GC2235_8BIT, 0x13, 0x06 }, /* val_high = (width * 10 / 8) >> 8 */
316
317	{ GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/
318	{ GC2235_8BIT, 0x04, 0x10 },
319	{ GC2235_8BIT, 0x05, 0x00 },
320	{ GC2235_8BIT, 0x17, 0x01 },
321
322	{ GC2235_8BIT, 0x22, 0x01 },
323	{ GC2235_8BIT, 0x23, 0x05 },
324	{ GC2235_8BIT, 0x24, 0x10 },
325	{ GC2235_8BIT, 0x25, 0x10 },
326	{ GC2235_8BIT, 0x26, 0x02 },
327	{ GC2235_8BIT, 0x21, 0x10 },
328	{ GC2235_8BIT, 0x29, 0x01 },
329	{ GC2235_8BIT, 0x2a, 0x02 },
330	{ GC2235_8BIT, 0x2b, 0x02 },
331
332	{ GC2235_8BIT, 0x10, 0x01 }, /* disable mipi */
333	{ GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */
334	{ GC2235_TOK_TERM, 0, 0 }
335};
336
337static struct gc2235_reg const gc2235_960_640_30fps[] = {
338	{ GC2235_8BIT, 0x8b, 0xa0 },
339	{ GC2235_8BIT, 0x8c, 0x02 },
340
341	{ GC2235_8BIT, 0x07, 0x02 }, /* VBI */
342	{ GC2235_8BIT, 0x08, 0xA4 },
343	{ GC2235_8BIT, 0x09, 0x01 }, /* row start */
344	{ GC2235_8BIT, 0x0a, 0x18 },
345	{ GC2235_8BIT, 0x0b, 0x01 }, /* col start */
346	{ GC2235_8BIT, 0x0c, 0x40 },
347	{ GC2235_8BIT, 0x0d, 0x02 }, /* win height 656 */
348	{ GC2235_8BIT, 0x0e, 0x90 },
349	{ GC2235_8BIT, 0x0f, 0x03 }, /* win width: 976 */
350	{ GC2235_8BIT, 0x10, 0xd0 },
351
352	{ GC2235_8BIT, 0x90, 0x01 },
353	{ GC2235_8BIT, 0x92, 0x02 },
354	{ GC2235_8BIT, 0x94, 0x06 },
355	{ GC2235_8BIT, 0x95, 0x02 }, /* crop win height 640 */
356	{ GC2235_8BIT, 0x96, 0x80 },
357	{ GC2235_8BIT, 0x97, 0x03 }, /* crop win width 960 */
358	{ GC2235_8BIT, 0x98, 0xc0 },
359	/* mimp init */
360	{ GC2235_8BIT, 0xfe, 0x03 }, /* switch to P3 */
361	{ GC2235_8BIT, 0x01, 0x07 },
362	{ GC2235_8BIT, 0x02, 0x11 },
363	{ GC2235_8BIT, 0x03, 0x11 },
364	{ GC2235_8BIT, 0x06, 0x80 },
365	{ GC2235_8BIT, 0x11, 0x2b },
366	/* set mipi buffer */
367	{ GC2235_8BIT, 0x12, 0xb0 }, /* val_low = (width * 10 / 8) & 0xFF */
368	{ GC2235_8BIT, 0x13, 0x04 }, /* val_high = (width * 10 / 8) >> 8 */
369
370	{ GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/
371	{ GC2235_8BIT, 0x04, 0x10 },
372	{ GC2235_8BIT, 0x05, 0x00 },
373	{ GC2235_8BIT, 0x17, 0x01 },
374	{ GC2235_8BIT, 0x22, 0x01 },
375	{ GC2235_8BIT, 0x23, 0x05 },
376	{ GC2235_8BIT, 0x24, 0x10 },
377	{ GC2235_8BIT, 0x25, 0x10 },
378	{ GC2235_8BIT, 0x26, 0x02 },
379	{ GC2235_8BIT, 0x21, 0x10 },
380	{ GC2235_8BIT, 0x29, 0x01 },
381	{ GC2235_8BIT, 0x2a, 0x02 },
382	{ GC2235_8BIT, 0x2b, 0x02 },
383	{ GC2235_8BIT, 0x10, 0x01 }, /* disable mipi */
384	{ GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */
385	{ GC2235_TOK_TERM, 0, 0 }
386};
387#endif
388
389static struct gc2235_reg const gc2235_1600_900_30fps[] = {
390	{ GC2235_8BIT, 0x8b, 0xa0 },
391	{ GC2235_8BIT, 0x8c, 0x02 },
392
393	{ GC2235_8BIT, 0x0d, 0x03 }, /* win height 932 */
394	{ GC2235_8BIT, 0x0e, 0xa4 },
395	{ GC2235_8BIT, 0x0f, 0x06 }, /* win width: 1632 */
396	{ GC2235_8BIT, 0x10, 0x50 },
397
398	{ GC2235_8BIT, 0x90, 0x01 },
399	{ GC2235_8BIT, 0x92, 0x02 },
400	{ GC2235_8BIT, 0x94, 0x06 },
401	{ GC2235_8BIT, 0x95, 0x03 }, /* crop win height 900 */
402	{ GC2235_8BIT, 0x96, 0x84 },
403	{ GC2235_8BIT, 0x97, 0x06 }, /* crop win width 1600 */
404	{ GC2235_8BIT, 0x98, 0x40 },
405	/* mimi init */
406	{ GC2235_8BIT, 0xfe, 0x03 }, /* switch to P3 */
407	{ GC2235_8BIT, 0x01, 0x07 },
408	{ GC2235_8BIT, 0x02, 0x11 },
409	{ GC2235_8BIT, 0x03, 0x11 },
410	{ GC2235_8BIT, 0x06, 0x80 },
411	{ GC2235_8BIT, 0x11, 0x2b },
412	/* set mipi buffer */
413	{ GC2235_8BIT, 0x12, 0xd0 }, /* val_low = (width * 10 / 8) & 0xFF */
414	{ GC2235_8BIT, 0x13, 0x07 }, /* val_high = (width * 10 / 8) >> 8 */
415
416	{ GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/
417	{ GC2235_8BIT, 0x04, 0x10 },
418	{ GC2235_8BIT, 0x05, 0x00 },
419	{ GC2235_8BIT, 0x17, 0x01 },
420	{ GC2235_8BIT, 0x22, 0x01 },
421	{ GC2235_8BIT, 0x23, 0x05 },
422	{ GC2235_8BIT, 0x24, 0x10 },
423	{ GC2235_8BIT, 0x25, 0x10 },
424	{ GC2235_8BIT, 0x26, 0x02 },
425	{ GC2235_8BIT, 0x21, 0x10 },
426	{ GC2235_8BIT, 0x29, 0x01 },
427	{ GC2235_8BIT, 0x2a, 0x02 },
428	{ GC2235_8BIT, 0x2b, 0x02 },
429	{ GC2235_8BIT, 0x10, 0x01 }, /* disable mipi */
430	{ GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */
431	{ GC2235_TOK_TERM, 0, 0 }
432};
433
434static struct gc2235_reg const gc2235_1616_1082_30fps[] = {
435	{ GC2235_8BIT, 0x8b, 0xa0 },
436	{ GC2235_8BIT, 0x8c, 0x02 },
437
438	{ GC2235_8BIT, 0x0d, 0x04 }, /* win height 1232 */
439	{ GC2235_8BIT, 0x0e, 0xd0 },
440	{ GC2235_8BIT, 0x0f, 0x06 }, /* win width: 1616 */
441	{ GC2235_8BIT, 0x10, 0x50 },
442
443	{ GC2235_8BIT, 0x90, 0x01 },
444	{ GC2235_8BIT, 0x92, 0x4a },
445	{ GC2235_8BIT, 0x94, 0x00 },
446	{ GC2235_8BIT, 0x95, 0x04 }, /* crop win height 1082 */
447	{ GC2235_8BIT, 0x96, 0x3a },
448	{ GC2235_8BIT, 0x97, 0x06 }, /* crop win width 1616 */
449	{ GC2235_8BIT, 0x98, 0x50 },
450	/* mimp init */
451	{ GC2235_8BIT, 0xfe, 0x03 }, /* switch to P3 */
452	{ GC2235_8BIT, 0x01, 0x07 },
453	{ GC2235_8BIT, 0x02, 0x11 },
454	{ GC2235_8BIT, 0x03, 0x11 },
455	{ GC2235_8BIT, 0x06, 0x80 },
456	{ GC2235_8BIT, 0x11, 0x2b },
457	/* set mipi buffer */
458	{ GC2235_8BIT, 0x12, 0xe4 }, /* val_low = (width * 10 / 8) & 0xFF */
459	{ GC2235_8BIT, 0x13, 0x07 }, /* val_high = (width * 10 / 8) >> 8 */
460
461	{ GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/
462	{ GC2235_8BIT, 0x04, 0x10 },
463	{ GC2235_8BIT, 0x05, 0x00 },
464	{ GC2235_8BIT, 0x17, 0x01 },
465	{ GC2235_8BIT, 0x22, 0x01 },
466	{ GC2235_8BIT, 0x23, 0x05 },
467	{ GC2235_8BIT, 0x24, 0x10 },
468	{ GC2235_8BIT, 0x25, 0x10 },
469	{ GC2235_8BIT, 0x26, 0x02 },
470	{ GC2235_8BIT, 0x21, 0x10 },
471	{ GC2235_8BIT, 0x29, 0x01 },
472	{ GC2235_8BIT, 0x2a, 0x02 },
473	{ GC2235_8BIT, 0x2b, 0x02 },
474	{ GC2235_8BIT, 0x10, 0x01 }, /* disable mipi */
475	{ GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */
476	{ GC2235_TOK_TERM, 0, 0 }
477};
478
479static struct gc2235_reg const gc2235_1616_1216_30fps[] = {
480	{ GC2235_8BIT, 0x8b, 0xa0 },
481	{ GC2235_8BIT, 0x8c, 0x02 },
482
483	{ GC2235_8BIT, 0x0d, 0x04 }, /* win height 1232 */
484	{ GC2235_8BIT, 0x0e, 0xd0 },
485	{ GC2235_8BIT, 0x0f, 0x06 }, /* win width: 1616 */
486	{ GC2235_8BIT, 0x10, 0x50 },
487
488	{ GC2235_8BIT, 0x90, 0x01 },
489	{ GC2235_8BIT, 0x92, 0x02 },
490	{ GC2235_8BIT, 0x94, 0x00 },
491	{ GC2235_8BIT, 0x95, 0x04 }, /* crop win height 1216 */
492	{ GC2235_8BIT, 0x96, 0xc0 },
493	{ GC2235_8BIT, 0x97, 0x06 }, /* crop win width 1616 */
494	{ GC2235_8BIT, 0x98, 0x50 },
495	/* mimi init */
496	{ GC2235_8BIT, 0xfe, 0x03 }, /* switch to P3 */
497	{ GC2235_8BIT, 0x01, 0x07 },
498	{ GC2235_8BIT, 0x02, 0x11 },
499	{ GC2235_8BIT, 0x03, 0x11 },
500	{ GC2235_8BIT, 0x06, 0x80 },
501	{ GC2235_8BIT, 0x11, 0x2b },
502	/* set mipi buffer */
503	{ GC2235_8BIT, 0x12, 0xe4 }, /* val_low = (width * 10 / 8) & 0xFF */
504	{ GC2235_8BIT, 0x13, 0x07 }, /* val_high = (width * 10 / 8) >> 8 */
505	{ GC2235_8BIT, 0x15, 0x12 }, /* DPHY mode*/
506	{ GC2235_8BIT, 0x04, 0x10 },
507	{ GC2235_8BIT, 0x05, 0x00 },
508	{ GC2235_8BIT, 0x17, 0x01 },
509	{ GC2235_8BIT, 0x22, 0x01 },
510	{ GC2235_8BIT, 0x23, 0x05 },
511	{ GC2235_8BIT, 0x24, 0x10 },
512	{ GC2235_8BIT, 0x25, 0x10 },
513	{ GC2235_8BIT, 0x26, 0x02 },
514	{ GC2235_8BIT, 0x21, 0x10 },
515	{ GC2235_8BIT, 0x29, 0x01 },
516	{ GC2235_8BIT, 0x2a, 0x02 },
517	{ GC2235_8BIT, 0x2b, 0x02 },
518	{ GC2235_8BIT, 0x10, 0x01 }, /* disable mipi */
519	{ GC2235_8BIT, 0xfe, 0x00 }, /* switch to P0 */
520	{ GC2235_TOK_TERM, 0, 0 }
521};
522
523static struct gc2235_resolution gc2235_res_preview[] = {
524	{
525		.desc = "gc2235_1600_900_30fps",
526		.width = 1600,
527		.height = 900,
528		.pix_clk_freq = 30,
529		.fps = 30,
530		.used = 0,
531		.pixels_per_line = 2132,
532		.lines_per_frame = 1068,
533		.skip_frames = 3,
534		.regs = gc2235_1600_900_30fps,
535	},
536
537	{
538		.desc = "gc2235_1600_1066_30fps",
539		.width = 1616,
540		.height = 1082,
541		.pix_clk_freq = 30,
542		.fps = 30,
543		.used = 0,
544		.pixels_per_line = 2132,
545		.lines_per_frame = 1368,
546		.skip_frames = 3,
547		.regs = gc2235_1616_1082_30fps,
548	},
549	{
550		.desc = "gc2235_1600_1200_30fps",
551		.width = 1616,
552		.height = 1216,
553		.pix_clk_freq = 30,
554		.fps = 30,
555		.used = 0,
556		.pixels_per_line = 2132,
557		.lines_per_frame = 1368,
558		.skip_frames = 3,
559		.regs = gc2235_1616_1216_30fps,
560	},
561
562};
563
564#define N_RES_PREVIEW (ARRAY_SIZE(gc2235_res_preview))
565
566/*
567 * Disable non-preview configurations until the configuration selection is
568 * improved.
569 */
570#if ENABLE_NON_PREVIEW
571static struct gc2235_resolution gc2235_res_still[] = {
572	{
573		.desc = "gc2235_1600_900_30fps",
574		.width = 1600,
575		.height = 900,
576		.pix_clk_freq = 30,
577		.fps = 30,
578		.used = 0,
579		.pixels_per_line = 2132,
580		.lines_per_frame = 1068,
581		.skip_frames = 3,
582		.regs = gc2235_1600_900_30fps,
583	},
584	{
585		.desc = "gc2235_1600_1066_30fps",
586		.width = 1616,
587		.height = 1082,
588		.pix_clk_freq = 30,
589		.fps = 30,
590		.used = 0,
591		.pixels_per_line = 2132,
592		.lines_per_frame = 1368,
593		.skip_frames = 3,
594		.regs = gc2235_1616_1082_30fps,
595	},
596	{
597		.desc = "gc2235_1600_1200_30fps",
598		.width = 1616,
599		.height = 1216,
600		.pix_clk_freq = 30,
601		.fps = 30,
602		.used = 0,
603		.pixels_per_line = 2132,
604		.lines_per_frame = 1368,
605		.skip_frames = 3,
606		.regs = gc2235_1616_1216_30fps,
607	},
608
609};
610
611#define N_RES_STILL (ARRAY_SIZE(gc2235_res_still))
612
613static struct gc2235_resolution gc2235_res_video[] = {
614	{
615		.desc = "gc2235_1296_736_30fps",
616		.width = 1296,
617		.height = 736,
618		.pix_clk_freq = 30,
619		.fps = 30,
620		.used = 0,
621		.pixels_per_line = 1828,
622		.lines_per_frame = 888,
623		.skip_frames = 3,
624		.regs = gc2235_1296_736_30fps,
625	},
626	{
627		.desc = "gc2235_960_640_30fps",
628		.width = 960,
629		.height = 640,
630		.pix_clk_freq = 30,
631		.fps = 30,
632		.used = 0,
633		.pixels_per_line = 1492,
634		.lines_per_frame = 792,
635		.skip_frames = 3,
636		.regs = gc2235_960_640_30fps,
637	},
638
639};
640
641#define N_RES_VIDEO (ARRAY_SIZE(gc2235_res_video))
642#endif
643
644static struct gc2235_resolution *gc2235_res = gc2235_res_preview;
645static unsigned long N_RES = N_RES_PREVIEW;
646#endif
647