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[sfrench/cifs-2.6.git] / drivers / staging / media / atomisp / i2c / gc0310.h
1 /*
2  * Support for GalaxyCore GC0310 VGA camera sensor.
3  *
4  * Copyright (c) 2013 Intel Corporation. All Rights Reserved.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License version
8  * 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18  * 02110-1301, USA.
19  *
20  */
21
22 #ifndef __GC0310_H__
23 #define __GC0310_H__
24 #include <linux/kernel.h>
25 #include <linux/types.h>
26 #include <linux/i2c.h>
27 #include <linux/acpi.h>
28 #include <linux/delay.h>
29 #include <linux/videodev2.h>
30 #include <linux/spinlock.h>
31 #include <media/v4l2-subdev.h>
32 #include <media/v4l2-device.h>
33 #include <media/v4l2-ctrls.h>
34 #include <linux/v4l2-mediabus.h>
35 #include <media/media-entity.h>
36
37 #include "../include/linux/atomisp_platform.h"
38
39 #define GC0310_NAME             "gc0310"
40
41 /* Defines for register writes and register array processing */
42 #define I2C_MSG_LENGTH          1
43 #define I2C_RETRY_COUNT         5
44
45 #define GC0310_FOCAL_LENGTH_NUM 278     /*2.78mm*/
46 #define GC0310_FOCAL_LENGTH_DEM 100
47 #define GC0310_F_NUMBER_DEFAULT_NUM     26
48 #define GC0310_F_NUMBER_DEM     10
49
50 #define MAX_FMTS                1
51
52 /*
53  * focal length bits definition:
54  * bits 31-16: numerator, bits 15-0: denominator
55  */
56 #define GC0310_FOCAL_LENGTH_DEFAULT 0x1160064
57
58 /*
59  * current f-number bits definition:
60  * bits 31-16: numerator, bits 15-0: denominator
61  */
62 #define GC0310_F_NUMBER_DEFAULT 0x1a000a
63
64 /*
65  * f-number range bits definition:
66  * bits 31-24: max f-number numerator
67  * bits 23-16: max f-number denominator
68  * bits 15-8: min f-number numerator
69  * bits 7-0: min f-number denominator
70  */
71 #define GC0310_F_NUMBER_RANGE 0x1a0a1a0a
72 #define GC0310_ID       0xa310
73
74 #define GC0310_RESET_RELATED            0xFE
75 #define GC0310_REGISTER_PAGE_0          0x0
76 #define GC0310_REGISTER_PAGE_3          0x3
77
78 #define GC0310_FINE_INTG_TIME_MIN 0
79 #define GC0310_FINE_INTG_TIME_MAX_MARGIN 0
80 #define GC0310_COARSE_INTG_TIME_MIN 1
81 #define GC0310_COARSE_INTG_TIME_MAX_MARGIN 6
82
83 /*
84  * GC0310 System control registers
85  */
86 #define GC0310_SW_STREAM                        0x10
87
88 #define GC0310_SC_CMMN_CHIP_ID_H                0xf0
89 #define GC0310_SC_CMMN_CHIP_ID_L                0xf1
90
91 #define GC0310_AEC_PK_EXPO_H                    0x03
92 #define GC0310_AEC_PK_EXPO_L                    0x04
93 #define GC0310_AGC_ADJ                  0x48
94 #define GC0310_DGC_ADJ                  0x71
95 #if 0
96 #define GC0310_GROUP_ACCESS                     0x3208
97 #endif
98
99 #define GC0310_H_CROP_START_H                   0x09
100 #define GC0310_H_CROP_START_L                   0x0A
101 #define GC0310_V_CROP_START_H                   0x0B
102 #define GC0310_V_CROP_START_L                   0x0C
103 #define GC0310_H_OUTSIZE_H                      0x0F
104 #define GC0310_H_OUTSIZE_L                      0x10
105 #define GC0310_V_OUTSIZE_H                      0x0D
106 #define GC0310_V_OUTSIZE_L                      0x0E
107 #define GC0310_H_BLANKING_H                     0x05
108 #define GC0310_H_BLANKING_L                     0x06
109 #define GC0310_V_BLANKING_H                     0x07
110 #define GC0310_V_BLANKING_L                     0x08
111 #define GC0310_SH_DELAY                 0x11
112
113 #define GC0310_START_STREAMING                  0x94 /* 8-bit enable */
114 #define GC0310_STOP_STREAMING                   0x0 /* 8-bit disable */
115
116 #define GC0310_BIN_FACTOR_MAX                   3
117
118 struct regval_list {
119         u16 reg_num;
120         u8 value;
121 };
122
123 struct gc0310_resolution {
124         u8 *desc;
125         const struct gc0310_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         u8 bin_factor_x;
135         u8 bin_factor_y;
136         u8 bin_mode;
137         bool used;
138 };
139
140 struct gc0310_format {
141         u8 *desc;
142         u32 pixelformat;
143         struct gc0310_reg *regs;
144 };
145
146 /*
147  * gc0310 device structure.
148  */
149 struct gc0310_device {
150         struct v4l2_subdev sd;
151         struct media_pad pad;
152         struct v4l2_mbus_framefmt format;
153         struct mutex input_lock;
154         struct v4l2_ctrl_handler ctrl_handler;
155
156         struct camera_sensor_platform_data *platform_data;
157         int vt_pix_clk_freq_mhz;
158         int fmt_idx;
159         int run_mode;
160         u8 res;
161         u8 type;
162 };
163
164 enum gc0310_tok_type {
165         GC0310_8BIT  = 0x0001,
166         GC0310_TOK_TERM   = 0xf000,     /* terminating token for reg list */
167         GC0310_TOK_DELAY  = 0xfe00,     /* delay token for reg list */
168         GC0310_TOK_MASK = 0xfff0
169 };
170
171 /**
172  * struct gc0310_reg - MI sensor  register format
173  * @type: type of the register
174  * @reg: 16-bit offset to register
175  * @val: 8/16/32-bit register value
176  *
177  * Define a structure for sensor register initialization values
178  */
179 struct gc0310_reg {
180         enum gc0310_tok_type type;
181         u8 reg;
182         u8 val; /* @set value for read/mod/write, @mask */
183 };
184
185 #define to_gc0310_sensor(x) container_of(x, struct gc0310_device, sd)
186
187 #define GC0310_MAX_WRITE_BUF_SIZE       30
188
189 struct gc0310_write_buffer {
190         u8 addr;
191         u8 data[GC0310_MAX_WRITE_BUF_SIZE];
192 };
193
194 struct gc0310_write_ctrl {
195         int index;
196         struct gc0310_write_buffer buffer;
197 };
198
199 static const struct i2c_device_id gc0310_id[] = {
200         {GC0310_NAME, 0},
201         {}
202 };
203
204 /*
205  * Register settings for various resolution
206  */
207 static const struct gc0310_reg gc0310_reset_register[] = {
208 /////////////////////////////////////////////////
209 /////////////////       system reg      /////////////////
210 /////////////////////////////////////////////////
211         {GC0310_8BIT, 0xfe, 0xf0},
212         {GC0310_8BIT, 0xfe, 0xf0},
213         {GC0310_8BIT, 0xfe, 0x00},
214
215         {GC0310_8BIT, 0xfc, 0x0e}, //4e
216         {GC0310_8BIT, 0xfc, 0x0e}, //16//4e // [0]apwd [6]regf_clk_gate
217         {GC0310_8BIT, 0xf2, 0x80}, //sync output
218         {GC0310_8BIT, 0xf3, 0x00}, //1f//01 data output
219         {GC0310_8BIT, 0xf7, 0x33}, //f9
220         {GC0310_8BIT, 0xf8, 0x05}, //00
221         {GC0310_8BIT, 0xf9, 0x0e}, // 0x8e //0f
222         {GC0310_8BIT, 0xfa, 0x11},
223
224 /////////////////////////////////////////////////
225 ///////////////////   MIPI       ////////////////////
226 /////////////////////////////////////////////////
227         {GC0310_8BIT, 0xfe, 0x03},
228         {GC0310_8BIT, 0x01, 0x03}, ///mipi 1lane
229         {GC0310_8BIT, 0x02, 0x22}, // 0x33
230         {GC0310_8BIT, 0x03, 0x94},
231         {GC0310_8BIT, 0x04, 0x01}, // fifo_prog
232         {GC0310_8BIT, 0x05, 0x00}, //fifo_prog
233         {GC0310_8BIT, 0x06, 0x80}, //b0  //YUV ISP data
234         {GC0310_8BIT, 0x11, 0x2a},//1e //LDI set YUV422
235         {GC0310_8BIT, 0x12, 0x90},//00 //04 //00 //04//00 //LWC[7:0]  //
236         {GC0310_8BIT, 0x13, 0x02},//05 //05 //LWC[15:8]
237         {GC0310_8BIT, 0x15, 0x12}, // 0x10 //DPHYY_MODE read_ready
238         {GC0310_8BIT, 0x17, 0x01},
239         {GC0310_8BIT, 0x40, 0x08},
240         {GC0310_8BIT, 0x41, 0x00},
241         {GC0310_8BIT, 0x42, 0x00},
242         {GC0310_8BIT, 0x43, 0x00},
243         {GC0310_8BIT, 0x21, 0x02}, // 0x01
244         {GC0310_8BIT, 0x22, 0x02}, // 0x01
245         {GC0310_8BIT, 0x23, 0x01}, // 0x05 //Nor:0x05 DOU:0x06
246         {GC0310_8BIT, 0x29, 0x00},
247         {GC0310_8BIT, 0x2A, 0x25}, // 0x05 //data zero 0x7a de
248         {GC0310_8BIT, 0x2B, 0x02},
249
250         {GC0310_8BIT, 0xfe, 0x00},
251
252 /////////////////////////////////////////////////
253 /////////////////       CISCTL reg      /////////////////
254 /////////////////////////////////////////////////
255         {GC0310_8BIT, 0x00, 0x2f}, //2f//0f//02//01
256         {GC0310_8BIT, 0x01, 0x0f}, //06
257         {GC0310_8BIT, 0x02, 0x04},
258         {GC0310_8BIT, 0x4f, 0x00}, //AEC 0FF
259         {GC0310_8BIT, 0x03, 0x01}, // 0x03 //04
260         {GC0310_8BIT, 0x04, 0xc0}, // 0xe8 //58
261         {GC0310_8BIT, 0x05, 0x00},
262         {GC0310_8BIT, 0x06, 0xb2}, // 0x0a //HB
263         {GC0310_8BIT, 0x07, 0x00},
264         {GC0310_8BIT, 0x08, 0x0c}, // 0x89 //VB
265         {GC0310_8BIT, 0x09, 0x00}, //row start
266         {GC0310_8BIT, 0x0a, 0x00}, //
267         {GC0310_8BIT, 0x0b, 0x00}, //col start
268         {GC0310_8BIT, 0x0c, 0x00},
269         {GC0310_8BIT, 0x0d, 0x01}, //height
270         {GC0310_8BIT, 0x0e, 0xf2}, // 0xf7 //height
271         {GC0310_8BIT, 0x0f, 0x02}, //width
272         {GC0310_8BIT, 0x10, 0x94}, // 0xa0 //height
273         {GC0310_8BIT, 0x17, 0x14},
274         {GC0310_8BIT, 0x18, 0x1a}, //0a//[4]double reset
275         {GC0310_8BIT, 0x19, 0x14}, //AD pipeline
276         {GC0310_8BIT, 0x1b, 0x48},
277         {GC0310_8BIT, 0x1e, 0x6b}, //3b//col bias
278         {GC0310_8BIT, 0x1f, 0x28}, //20//00//08//txlow
279         {GC0310_8BIT, 0x20, 0x89}, //88//0c//[3:2]DA15
280         {GC0310_8BIT, 0x21, 0x49}, //48//[3] txhigh
281         {GC0310_8BIT, 0x22, 0xb0},
282         {GC0310_8BIT, 0x23, 0x04}, //[1:0]vcm_r
283         {GC0310_8BIT, 0x24, 0x16}, //15
284         {GC0310_8BIT, 0x34, 0x20}, //[6:4] rsg high//range
285
286 /////////////////////////////////////////////////
287 ////////////////////   BLK       ////////////////////
288 /////////////////////////////////////////////////
289         {GC0310_8BIT, 0x26, 0x23}, //[1]dark_current_en [0]offset_en
290         {GC0310_8BIT, 0x28, 0xff}, //BLK_limie_value
291         {GC0310_8BIT, 0x29, 0x00}, //global offset
292         {GC0310_8BIT, 0x33, 0x18}, //offset_ratio
293         {GC0310_8BIT, 0x37, 0x20}, //dark_current_ratio
294         {GC0310_8BIT, 0x2a, 0x00},
295         {GC0310_8BIT, 0x2b, 0x00},
296         {GC0310_8BIT, 0x2c, 0x00},
297         {GC0310_8BIT, 0x2d, 0x00},
298         {GC0310_8BIT, 0x2e, 0x00},
299         {GC0310_8BIT, 0x2f, 0x00},
300         {GC0310_8BIT, 0x30, 0x00},
301         {GC0310_8BIT, 0x31, 0x00},
302         {GC0310_8BIT, 0x47, 0x80}, //a7
303         {GC0310_8BIT, 0x4e, 0x66}, //select_row
304         {GC0310_8BIT, 0xa8, 0x02}, //win_width_dark, same with crop_win_width
305         {GC0310_8BIT, 0xa9, 0x80},
306
307 /////////////////////////////////////////////////
308 //////////////////       ISP reg  ///////////////////
309 /////////////////////////////////////////////////
310         {GC0310_8BIT, 0x40, 0x06}, // 0xff //ff //48
311         {GC0310_8BIT, 0x41, 0x00}, // 0x21 //00//[0]curve_en
312         {GC0310_8BIT, 0x42, 0x04}, // 0xcf //0a//[1]awn_en
313         {GC0310_8BIT, 0x44, 0x18}, // 0x18 //02
314         {GC0310_8BIT, 0x46, 0x02}, // 0x03 //sync
315         {GC0310_8BIT, 0x49, 0x03},
316         {GC0310_8BIT, 0x4c, 0x20}, //00[5]pretect exp
317         {GC0310_8BIT, 0x50, 0x01}, //crop enable
318         {GC0310_8BIT, 0x51, 0x00},
319         {GC0310_8BIT, 0x52, 0x00},
320         {GC0310_8BIT, 0x53, 0x00},
321         {GC0310_8BIT, 0x54, 0x01},
322         {GC0310_8BIT, 0x55, 0x01}, //crop window height
323         {GC0310_8BIT, 0x56, 0xf0},
324         {GC0310_8BIT, 0x57, 0x02}, //crop window width
325         {GC0310_8BIT, 0x58, 0x90},
326
327 /////////////////////////////////////////////////
328 ///////////////////   GAIN       ////////////////////
329 /////////////////////////////////////////////////
330         {GC0310_8BIT, 0x70, 0x70}, //70 //80//global gain
331         {GC0310_8BIT, 0x71, 0x20}, // pregain gain
332         {GC0310_8BIT, 0x72, 0x40}, // post gain
333         {GC0310_8BIT, 0x5a, 0x84}, //84//analog gain 0
334         {GC0310_8BIT, 0x5b, 0xc9}, //c9
335         {GC0310_8BIT, 0x5c, 0xed}, //ed//not use pga gain highest level
336         {GC0310_8BIT, 0x77, 0x40}, // R gain 0x74 //awb gain
337         {GC0310_8BIT, 0x78, 0x40}, // G gain
338         {GC0310_8BIT, 0x79, 0x40}, // B gain 0x5f
339
340         {GC0310_8BIT, 0x48, 0x00},
341         {GC0310_8BIT, 0xfe, 0x01},
342         {GC0310_8BIT, 0x0a, 0x45}, //[7]col gain mode
343
344         {GC0310_8BIT, 0x3e, 0x40},
345         {GC0310_8BIT, 0x3f, 0x5c},
346         {GC0310_8BIT, 0x40, 0x7b},
347         {GC0310_8BIT, 0x41, 0xbd},
348         {GC0310_8BIT, 0x42, 0xf6},
349         {GC0310_8BIT, 0x43, 0x63},
350         {GC0310_8BIT, 0x03, 0x60},
351         {GC0310_8BIT, 0x44, 0x03},
352
353 /////////////////////////////////////////////////
354 /////////////////       dark sun   //////////////////
355 /////////////////////////////////////////////////
356         {GC0310_8BIT, 0xfe, 0x01},
357         {GC0310_8BIT, 0x45, 0xa4}, // 0xf7
358         {GC0310_8BIT, 0x46, 0xf0}, // 0xff //f0//sun vaule th
359         {GC0310_8BIT, 0x48, 0x03}, //sun mode
360         {GC0310_8BIT, 0x4f, 0x60}, //sun_clamp
361         {GC0310_8BIT, 0xfe, 0x00},
362
363         {GC0310_TOK_TERM, 0, 0},
364 };
365
366 static struct gc0310_reg const gc0310_VGA_30fps[] = {
367         {GC0310_8BIT, 0xfe, 0x00},
368         {GC0310_8BIT, 0x0d, 0x01}, //height
369         {GC0310_8BIT, 0x0e, 0xf2}, // 0xf7 //height
370         {GC0310_8BIT, 0x0f, 0x02}, //width
371         {GC0310_8BIT, 0x10, 0x94}, // 0xa0 //height
372
373         {GC0310_8BIT, 0x50, 0x01}, //crop enable
374         {GC0310_8BIT, 0x51, 0x00},
375         {GC0310_8BIT, 0x52, 0x00},
376         {GC0310_8BIT, 0x53, 0x00},
377         {GC0310_8BIT, 0x54, 0x01},
378         {GC0310_8BIT, 0x55, 0x01}, //crop window height
379         {GC0310_8BIT, 0x56, 0xf0},
380         {GC0310_8BIT, 0x57, 0x02}, //crop window width
381         {GC0310_8BIT, 0x58, 0x90},
382
383         {GC0310_8BIT, 0xfe, 0x03},
384         {GC0310_8BIT, 0x12, 0x90},//00 //04 //00 //04//00 //LWC[7:0]  //
385         {GC0310_8BIT, 0x13, 0x02},//05 //05 //LWC[15:8]
386
387         {GC0310_8BIT, 0xfe, 0x00},
388
389         {GC0310_TOK_TERM, 0, 0},
390 };
391
392
393 struct gc0310_resolution gc0310_res_preview[] = {
394         {
395                 .desc = "gc0310_VGA_30fps",
396                 .width = 656, // 648,
397                 .height = 496, // 488,
398                 .fps = 30,
399                 //.pix_clk_freq = 73,
400                 .used = 0,
401 #if 0
402                 .pixels_per_line = 0x0314,
403                 .lines_per_frame = 0x0213,
404 #endif
405                 .bin_factor_x = 1,
406                 .bin_factor_y = 1,
407                 .bin_mode = 0,
408                 .skip_frames = 2,
409                 .regs = gc0310_VGA_30fps,
410         },
411 };
412 #define N_RES_PREVIEW (ARRAY_SIZE(gc0310_res_preview))
413
414 struct gc0310_resolution gc0310_res_still[] = {
415         {
416                 .desc = "gc0310_VGA_30fps",
417                 .width = 656, // 648,
418                 .height = 496, // 488,
419                 .fps = 30,
420                 //.pix_clk_freq = 73,
421                 .used = 0,
422 #if 0
423                 .pixels_per_line = 0x0314,
424                 .lines_per_frame = 0x0213,
425 #endif
426                 .bin_factor_x = 1,
427                 .bin_factor_y = 1,
428                 .bin_mode = 0,
429                 .skip_frames = 2,
430                 .regs = gc0310_VGA_30fps,
431         },
432 };
433 #define N_RES_STILL (ARRAY_SIZE(gc0310_res_still))
434
435 struct gc0310_resolution gc0310_res_video[] = {
436         {
437                 .desc = "gc0310_VGA_30fps",
438                 .width = 656, // 648,
439                 .height = 496, // 488,
440                 .fps = 30,
441                 //.pix_clk_freq = 73,
442                 .used = 0,
443 #if 0
444                 .pixels_per_line = 0x0314,
445                 .lines_per_frame = 0x0213,
446 #endif
447                 .bin_factor_x = 1,
448                 .bin_factor_y = 1,
449                 .bin_mode = 0,
450                 .skip_frames = 2,
451                 .regs = gc0310_VGA_30fps,
452         },
453 };
454 #define N_RES_VIDEO (ARRAY_SIZE(gc0310_res_video))
455
456 static struct gc0310_resolution *gc0310_res = gc0310_res_preview;
457 static unsigned long N_RES = N_RES_PREVIEW;
458 #endif
459