1 /*
2  * Samsung LSI S5C73M3 8M pixel camera driver
3  *
4  * Copyright (C) 2012, Samsung Electronics, Co., Ltd.
5  * Sylwester Nawrocki <s.nawrocki@samsung.com>
6  * Andrzej Hajda <a.hajda@samsung.com>
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * version 2 as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  */
17 #ifndef S5C73M3_H_
18 #define S5C73M3_H_
19 
20 #include <linux/clk.h>
21 #include <linux/kernel.h>
22 #include <linux/regulator/consumer.h>
23 #include <media/v4l2-common.h>
24 #include <media/v4l2-ctrls.h>
25 #include <media/v4l2-subdev.h>
26 #include <media/i2c/s5c73m3.h>
27 
28 #define DRIVER_NAME			"S5C73M3"
29 
30 #define S5C73M3_ISP_FMT			MEDIA_BUS_FMT_VYUY8_2X8
31 #define S5C73M3_JPEG_FMT		MEDIA_BUS_FMT_S5C_UYVY_JPEG_1X8
32 
33 /* Subdevs pad index definitions */
34 enum s5c73m3_pads {
35 	S5C73M3_ISP_PAD,
36 	S5C73M3_JPEG_PAD,
37 	S5C73M3_NUM_PADS
38 };
39 
40 enum s5c73m3_oif_pads {
41 	OIF_ISP_PAD,
42 	OIF_JPEG_PAD,
43 	OIF_SOURCE_PAD,
44 	OIF_NUM_PADS
45 };
46 
47 #define S5C73M3_SENSOR_FW_LEN		6
48 #define S5C73M3_SENSOR_TYPE_LEN		12
49 
50 #define S5C73M3_REG(_addrh, _addrl) (((_addrh) << 16) | _addrl)
51 
52 #define AHB_MSB_ADDR_PTR			0xfcfc
53 #define REG_CMDWR_ADDRH				0x0050
54 #define REG_CMDWR_ADDRL				0x0054
55 #define REG_CMDRD_ADDRH				0x0058
56 #define REG_CMDRD_ADDRL				0x005c
57 #define REG_CMDBUF_ADDR				0x0f14
58 
59 #define REG_I2C_SEQ_STATUS			S5C73M3_REG(0x0009, 0x59A6)
60 #define  SEQ_END_PLL				(1<<0x0)
61 #define  SEQ_END_SENSOR				(1<<0x1)
62 #define  SEQ_END_GPIO				(1<<0x2)
63 #define  SEQ_END_FROM				(1<<0x3)
64 #define  SEQ_END_STABLE_AE_AWB			(1<<0x4)
65 #define  SEQ_END_READY_I2C_CMD			(1<<0x5)
66 
67 #define REG_I2C_STATUS				S5C73M3_REG(0x0009, 0x599E)
68 #define  I2C_STATUS_CIS_I2C			(1<<0x0)
69 #define  I2C_STATUS_AF_INIT			(1<<0x1)
70 #define  I2C_STATUS_CAL_DATA			(1<<0x2)
71 #define  I2C_STATUS_FRAME_COUNT			(1<<0x3)
72 #define  I2C_STATUS_FROM_INIT			(1<<0x4)
73 #define  I2C_STATUS_I2C_CIS_STREAM_OFF		(1<<0x5)
74 #define  I2C_STATUS_I2C_N_CMD_OVER		(1<<0x6)
75 #define  I2C_STATUS_I2C_N_CMD_MISMATCH		(1<<0x7)
76 #define  I2C_STATUS_CHECK_BIN_CRC		(1<<0x8)
77 #define  I2C_STATUS_EXCEPTION			(1<<0x9)
78 #define  I2C_STATUS_INIF_INIT_STATE		(0x8)
79 
80 #define REG_STATUS				S5C73M3_REG(0x0009, 0x5080)
81 #define  REG_STATUS_BOOT_SUB_MAIN_ENTER		0xff01
82 #define  REG_STATUS_BOOT_SRAM_TIMING_OK		0xff02
83 #define  REG_STATUS_BOOT_INTERRUPTS_EN		0xff03
84 #define  REG_STATUS_BOOT_R_PLL_DONE		0xff04
85 #define  REG_STATUS_BOOT_R_PLL_LOCKTIME_DONE	0xff05
86 #define  REG_STATUS_BOOT_DELAY_COUNT_DONE	0xff06
87 #define  REG_STATUS_BOOT_I_PLL_DONE		0xff07
88 #define  REG_STATUS_BOOT_I_PLL_LOCKTIME_DONE	0xff08
89 #define  REG_STATUS_BOOT_PLL_INIT_OK		0xff09
90 #define  REG_STATUS_BOOT_SENSOR_INIT_OK		0xff0a
91 #define  REG_STATUS_BOOT_GPIO_SETTING_OK	0xff0b
92 #define  REG_STATUS_BOOT_READ_CAL_DATA_OK	0xff0c
93 #define  REG_STATUS_BOOT_STABLE_AE_AWB_OK	0xff0d
94 #define  REG_STATUS_ISP_COMMAND_COMPLETED	0xffff
95 #define  REG_STATUS_EXCEPTION_OCCURED		0xdead
96 
97 #define COMM_RESULT_OFFSET			S5C73M3_REG(0x0009, 0x5000)
98 
99 #define COMM_IMG_OUTPUT				0x0902
100 #define  COMM_IMG_OUTPUT_HDR			0x0008
101 #define  COMM_IMG_OUTPUT_YUV			0x0009
102 #define  COMM_IMG_OUTPUT_INTERLEAVED		0x000d
103 
104 #define COMM_STILL_PRE_FLASH			0x0a00
105 #define  COMM_STILL_PRE_FLASH_FIRE		0x0000
106 #define  COMM_STILL_PRE_FLASH_NON_FIRED		0x0000
107 #define  COMM_STILL_PRE_FLASH_FIRED		0x0001
108 
109 #define COMM_STILL_MAIN_FLASH			0x0a02
110 #define  COMM_STILL_MAIN_FLASH_CANCEL		0x0001
111 #define  COMM_STILL_MAIN_FLASH_FIRE		0x0002
112 
113 #define COMM_ZOOM_STEP				0x0b00
114 
115 #define COMM_IMAGE_EFFECT			0x0b0a
116 #define  COMM_IMAGE_EFFECT_NONE			0x0001
117 #define  COMM_IMAGE_EFFECT_NEGATIVE		0x0002
118 #define  COMM_IMAGE_EFFECT_AQUA			0x0003
119 #define  COMM_IMAGE_EFFECT_SEPIA		0x0004
120 #define  COMM_IMAGE_EFFECT_MONO			0x0005
121 
122 #define COMM_IMAGE_QUALITY			0x0b0c
123 #define  COMM_IMAGE_QUALITY_SUPERFINE		0x0000
124 #define  COMM_IMAGE_QUALITY_FINE		0x0001
125 #define  COMM_IMAGE_QUALITY_NORMAL		0x0002
126 
127 #define COMM_FLASH_MODE				0x0b0e
128 #define  COMM_FLASH_MODE_OFF			0x0000
129 #define  COMM_FLASH_MODE_ON			0x0001
130 #define  COMM_FLASH_MODE_AUTO			0x0002
131 
132 #define COMM_FLASH_STATUS			0x0b80
133 #define  COMM_FLASH_STATUS_OFF			0x0001
134 #define  COMM_FLASH_STATUS_ON			0x0002
135 #define  COMM_FLASH_STATUS_AUTO			0x0003
136 
137 #define COMM_FLASH_TORCH			0x0b12
138 #define  COMM_FLASH_TORCH_OFF			0x0000
139 #define  COMM_FLASH_TORCH_ON			0x0001
140 
141 #define COMM_AE_NEEDS_FLASH			0x0cba
142 #define  COMM_AE_NEEDS_FLASH_OFF		0x0000
143 #define  COMM_AE_NEEDS_FLASH_ON			0x0001
144 
145 #define COMM_CHG_MODE				0x0b10
146 #define  COMM_CHG_MODE_NEW			0x8000
147 #define  COMM_CHG_MODE_SUBSAMPLING_HALF		0x2000
148 #define  COMM_CHG_MODE_SUBSAMPLING_QUARTER	0x4000
149 
150 #define  COMM_CHG_MODE_YUV_320_240		0x0001
151 #define  COMM_CHG_MODE_YUV_640_480		0x0002
152 #define  COMM_CHG_MODE_YUV_880_720		0x0003
153 #define  COMM_CHG_MODE_YUV_960_720		0x0004
154 #define  COMM_CHG_MODE_YUV_1184_666		0x0005
155 #define  COMM_CHG_MODE_YUV_1280_720		0x0006
156 #define  COMM_CHG_MODE_YUV_1536_864		0x0007
157 #define  COMM_CHG_MODE_YUV_1600_1200		0x0008
158 #define  COMM_CHG_MODE_YUV_1632_1224		0x0009
159 #define  COMM_CHG_MODE_YUV_1920_1080		0x000a
160 #define  COMM_CHG_MODE_YUV_1920_1440		0x000b
161 #define  COMM_CHG_MODE_YUV_2304_1296		0x000c
162 #define  COMM_CHG_MODE_YUV_3264_2448		0x000d
163 #define  COMM_CHG_MODE_YUV_352_288		0x000e
164 #define  COMM_CHG_MODE_YUV_1008_672		0x000f
165 
166 #define  COMM_CHG_MODE_JPEG_640_480		0x0010
167 #define  COMM_CHG_MODE_JPEG_800_450		0x0020
168 #define  COMM_CHG_MODE_JPEG_800_600		0x0030
169 #define  COMM_CHG_MODE_JPEG_1280_720		0x0040
170 #define  COMM_CHG_MODE_JPEG_1280_960		0x0050
171 #define  COMM_CHG_MODE_JPEG_1600_900		0x0060
172 #define  COMM_CHG_MODE_JPEG_1600_1200		0x0070
173 #define  COMM_CHG_MODE_JPEG_2048_1152		0x0080
174 #define  COMM_CHG_MODE_JPEG_2048_1536		0x0090
175 #define  COMM_CHG_MODE_JPEG_2560_1440		0x00a0
176 #define  COMM_CHG_MODE_JPEG_2560_1920		0x00b0
177 #define  COMM_CHG_MODE_JPEG_3264_2176		0x00c0
178 #define  COMM_CHG_MODE_JPEG_1024_768		0x00d0
179 #define  COMM_CHG_MODE_JPEG_3264_1836		0x00e0
180 #define  COMM_CHG_MODE_JPEG_3264_2448		0x00f0
181 
182 #define COMM_AF_CON				0x0e00
183 #define  COMM_AF_CON_STOP			0x0000
184 #define  COMM_AF_CON_SCAN			0x0001 /* Full Search */
185 #define  COMM_AF_CON_START			0x0002 /* Fast Search */
186 
187 #define COMM_AF_CAL				0x0e06
188 #define COMM_AF_TOUCH_AF			0x0e0a
189 
190 #define REG_AF_STATUS				S5C73M3_REG(0x0009, 0x5e80)
191 #define  REG_CAF_STATUS_FIND_SEARCH_DIR		0x0001
192 #define  REG_CAF_STATUS_FOCUSING		0x0002
193 #define  REG_CAF_STATUS_FOCUSED			0x0003
194 #define  REG_CAF_STATUS_UNFOCUSED		0x0004
195 #define  REG_AF_STATUS_INVALID			0x0010
196 #define  REG_AF_STATUS_FOCUSING			0x0020
197 #define  REG_AF_STATUS_FOCUSED			0x0030
198 #define  REG_AF_STATUS_UNFOCUSED		0x0040
199 
200 #define REG_AF_TOUCH_POSITION			S5C73M3_REG(0x0009, 0x5e8e)
201 #define COMM_AF_FACE_ZOOM			0x0e10
202 
203 #define COMM_AF_MODE				0x0e02
204 #define  COMM_AF_MODE_NORMAL			0x0000
205 #define  COMM_AF_MODE_MACRO			0x0001
206 #define  COMM_AF_MODE_MOVIE_CAF_START		0x0002
207 #define  COMM_AF_MODE_MOVIE_CAF_STOP		0x0003
208 #define  COMM_AF_MODE_PREVIEW_CAF_START		0x0004
209 #define  COMM_AF_MODE_PREVIEW_CAF_STOP		0x0005
210 
211 #define COMM_AF_SOFTLANDING			0x0e16
212 #define  COMM_AF_SOFTLANDING_ON			0x0000
213 #define  COMM_AF_SOFTLANDING_RES_COMPLETE	0x0001
214 
215 #define COMM_FACE_DET				0x0e0c
216 #define  COMM_FACE_DET_OFF			0x0000
217 #define  COMM_FACE_DET_ON			0x0001
218 
219 #define COMM_FACE_DET_OSD			0x0e0e
220 #define  COMM_FACE_DET_OSD_OFF			0x0000
221 #define  COMM_FACE_DET_OSD_ON			0x0001
222 
223 #define COMM_AE_CON				0x0c00
224 #define  COMM_AE_STOP				0x0000 /* lock */
225 #define  COMM_AE_START				0x0001 /* unlock */
226 
227 #define COMM_ISO				0x0c02
228 #define  COMM_ISO_AUTO				0x0000
229 #define  COMM_ISO_100				0x0001
230 #define  COMM_ISO_200				0x0002
231 #define  COMM_ISO_400				0x0003
232 #define  COMM_ISO_800				0x0004
233 #define  COMM_ISO_SPORTS			0x0005
234 #define  COMM_ISO_NIGHT				0x0006
235 #define  COMM_ISO_INDOOR			0x0007
236 
237 /* 0x00000 (-2.0 EV)...0x0008 (2.0 EV), 0.5EV step */
238 #define COMM_EV					0x0c04
239 
240 #define COMM_METERING				0x0c06
241 #define  COMM_METERING_CENTER			0x0000
242 #define  COMM_METERING_SPOT			0x0001
243 #define  COMM_METERING_AVERAGE			0x0002
244 #define  COMM_METERING_SMART			0x0003
245 
246 #define COMM_WDR				0x0c08
247 #define  COMM_WDR_OFF				0x0000
248 #define  COMM_WDR_ON				0x0001
249 
250 #define COMM_FLICKER_MODE			0x0c12
251 #define  COMM_FLICKER_NONE			0x0000
252 #define  COMM_FLICKER_MANUAL_50HZ		0x0001
253 #define  COMM_FLICKER_MANUAL_60HZ		0x0002
254 #define  COMM_FLICKER_AUTO			0x0003
255 #define  COMM_FLICKER_AUTO_50HZ			0x0004
256 #define  COMM_FLICKER_AUTO_60HZ			0x0005
257 
258 #define COMM_FRAME_RATE				0x0c1e
259 #define  COMM_FRAME_RATE_AUTO_SET		0x0000
260 #define  COMM_FRAME_RATE_FIXED_30FPS		0x0002
261 #define  COMM_FRAME_RATE_FIXED_20FPS		0x0003
262 #define  COMM_FRAME_RATE_FIXED_15FPS		0x0004
263 #define  COMM_FRAME_RATE_FIXED_60FPS		0x0007
264 #define  COMM_FRAME_RATE_FIXED_120FPS		0x0008
265 #define  COMM_FRAME_RATE_FIXED_7FPS		0x0009
266 #define  COMM_FRAME_RATE_FIXED_10FPS		0x000a
267 #define  COMM_FRAME_RATE_FIXED_90FPS		0x000b
268 #define  COMM_FRAME_RATE_ANTI_SHAKE		0x0013
269 
270 /* 0x0000...0x0004 -> sharpness: 0, 1, 2, -1, -2 */
271 #define COMM_SHARPNESS				0x0c14
272 
273 /* 0x0000...0x0004 -> saturation: 0, 1, 2, -1, -2 */
274 #define COMM_SATURATION				0x0c16
275 
276 /* 0x0000...0x0004 -> contrast: 0, 1, 2, -1, -2 */
277 #define COMM_CONTRAST				0x0c18
278 
279 #define COMM_SCENE_MODE				0x0c1a
280 #define  COMM_SCENE_MODE_NONE			0x0000
281 #define  COMM_SCENE_MODE_PORTRAIT		0x0001
282 #define  COMM_SCENE_MODE_LANDSCAPE		0x0002
283 #define  COMM_SCENE_MODE_SPORTS			0x0003
284 #define  COMM_SCENE_MODE_INDOOR			0x0004
285 #define  COMM_SCENE_MODE_BEACH			0x0005
286 #define  COMM_SCENE_MODE_SUNSET			0x0006
287 #define  COMM_SCENE_MODE_DAWN			0x0007
288 #define  COMM_SCENE_MODE_FALL			0x0008
289 #define  COMM_SCENE_MODE_NIGHT			0x0009
290 #define  COMM_SCENE_MODE_AGAINST_LIGHT		0x000a
291 #define  COMM_SCENE_MODE_FIRE			0x000b
292 #define  COMM_SCENE_MODE_TEXT			0x000c
293 #define  COMM_SCENE_MODE_CANDLE			0x000d
294 
295 #define COMM_AE_AUTO_BRACKET			0x0b14
296 #define  COMM_AE_AUTO_BRAKET_EV05		0x0080
297 #define  COMM_AE_AUTO_BRAKET_EV10		0x0100
298 #define  COMM_AE_AUTO_BRAKET_EV15		0x0180
299 #define  COMM_AE_AUTO_BRAKET_EV20		0x0200
300 
301 #define COMM_SENSOR_STREAMING			0x090a
302 #define  COMM_SENSOR_STREAMING_OFF		0x0000
303 #define  COMM_SENSOR_STREAMING_ON		0x0001
304 
305 #define COMM_AWB_MODE				0x0d02
306 #define  COMM_AWB_MODE_INCANDESCENT		0x0000
307 #define  COMM_AWB_MODE_FLUORESCENT1		0x0001
308 #define  COMM_AWB_MODE_FLUORESCENT2		0x0002
309 #define  COMM_AWB_MODE_DAYLIGHT			0x0003
310 #define  COMM_AWB_MODE_CLOUDY			0x0004
311 #define  COMM_AWB_MODE_AUTO			0x0005
312 
313 #define COMM_AWB_CON				0x0d00
314 #define  COMM_AWB_STOP				0x0000 /* lock */
315 #define  COMM_AWB_START				0x0001 /* unlock */
316 
317 #define COMM_FW_UPDATE				0x0906
318 #define  COMM_FW_UPDATE_NOT_READY		0x0000
319 #define  COMM_FW_UPDATE_SUCCESS			0x0005
320 #define  COMM_FW_UPDATE_FAIL			0x0007
321 #define  COMM_FW_UPDATE_BUSY			0xffff
322 
323 
324 #define S5C73M3_MAX_SUPPLIES			6
325 #define S5C73M3_DEFAULT_MCLK_FREQ		24000000U
326 
327 struct s5c73m3_ctrls {
328 	struct v4l2_ctrl_handler handler;
329 	struct {
330 		/* exposure/exposure bias cluster */
331 		struct v4l2_ctrl *auto_exposure;
332 		struct v4l2_ctrl *exposure_bias;
333 		struct v4l2_ctrl *exposure_metering;
334 	};
335 	struct {
336 		/* iso/auto iso cluster */
337 		struct v4l2_ctrl *auto_iso;
338 		struct v4l2_ctrl *iso;
339 	};
340 	struct v4l2_ctrl *auto_wb;
341 	struct {
342 		/* continuous auto focus/auto focus cluster */
343 		struct v4l2_ctrl *focus_auto;
344 		struct v4l2_ctrl *af_start;
345 		struct v4l2_ctrl *af_stop;
346 		struct v4l2_ctrl *af_status;
347 		struct v4l2_ctrl *af_distance;
348 	};
349 
350 	struct v4l2_ctrl *aaa_lock;
351 	struct v4l2_ctrl *colorfx;
352 	struct v4l2_ctrl *contrast;
353 	struct v4l2_ctrl *saturation;
354 	struct v4l2_ctrl *sharpness;
355 	struct v4l2_ctrl *zoom;
356 	struct v4l2_ctrl *wdr;
357 	struct v4l2_ctrl *stabilization;
358 	struct v4l2_ctrl *jpeg_quality;
359 	struct v4l2_ctrl *scene_mode;
360 };
361 
362 enum s5c73m3_gpio_id {
363 	STBY,
364 	RST,
365 	GPIO_NUM,
366 };
367 
368 enum s5c73m3_resolution_types {
369 	RES_ISP,
370 	RES_JPEG,
371 };
372 
373 struct s5c73m3_interval {
374 	u16 fps_reg;
375 	struct v4l2_fract interval;
376 	/* Maximum rectangle for the interval */
377 	struct v4l2_frmsize_discrete size;
378 };
379 
380 struct s5c73m3 {
381 	struct v4l2_subdev sensor_sd;
382 	struct media_pad sensor_pads[S5C73M3_NUM_PADS];
383 
384 	struct v4l2_subdev oif_sd;
385 	struct media_pad oif_pads[OIF_NUM_PADS];
386 
387 	struct spi_driver spidrv;
388 	struct spi_device *spi_dev;
389 	struct i2c_client *i2c_client;
390 	u32 i2c_write_address;
391 	u32 i2c_read_address;
392 
393 	struct regulator_bulk_data supplies[S5C73M3_MAX_SUPPLIES];
394 	struct s5c73m3_gpio gpio[GPIO_NUM];
395 
396 	struct clk *clock;
397 
398 	/* External master clock frequency */
399 	u32 mclk_frequency;
400 	/* Video bus type - MIPI-CSI2/parallel */
401 	enum v4l2_mbus_type bus_type;
402 
403 	const struct s5c73m3_frame_size *sensor_pix_size[2];
404 	const struct s5c73m3_frame_size *oif_pix_size[2];
405 	u32 mbus_code;
406 
407 	const struct s5c73m3_interval *fiv;
408 
409 	struct v4l2_mbus_frame_desc frame_desc;
410 	/* protects the struct members below */
411 	struct mutex lock;
412 
413 	struct s5c73m3_ctrls ctrls;
414 
415 	u8 streaming:1;
416 	u8 apply_fmt:1;
417 	u8 apply_fiv:1;
418 	u8 isp_ready:1;
419 
420 	short power;
421 
422 	char sensor_fw[S5C73M3_SENSOR_FW_LEN + 2];
423 	char sensor_type[S5C73M3_SENSOR_TYPE_LEN + 2];
424 	char fw_file_version[2];
425 	unsigned int fw_size;
426 };
427 
428 struct s5c73m3_frame_size {
429 	u32 width;
430 	u32 height;
431 	u8 reg_val;
432 };
433 
434 extern int s5c73m3_dbg;
435 
436 int s5c73m3_register_spi_driver(struct s5c73m3 *state);
437 void s5c73m3_unregister_spi_driver(struct s5c73m3 *state);
438 int s5c73m3_spi_write(struct s5c73m3 *state, const void *addr,
439 		      const unsigned int len, const unsigned int tx_size);
440 int s5c73m3_spi_read(struct s5c73m3 *state, void *addr,
441 		      const unsigned int len, const unsigned int tx_size);
442 
443 int s5c73m3_read(struct s5c73m3 *state, u32 addr, u16 *data);
444 int s5c73m3_write(struct s5c73m3 *state, u32 addr, u16 data);
445 int s5c73m3_isp_command(struct s5c73m3 *state, u16 command, u16 data);
446 int s5c73m3_init_controls(struct s5c73m3 *state);
447 
448 static inline struct v4l2_subdev *ctrl_to_sensor_sd(struct v4l2_ctrl *ctrl)
449 {
450 	return &container_of(ctrl->handler, struct s5c73m3,
451 			     ctrls.handler)->sensor_sd;
452 }
453 
454 static inline struct s5c73m3 *sensor_sd_to_s5c73m3(struct v4l2_subdev *sd)
455 {
456 	return container_of(sd, struct s5c73m3, sensor_sd);
457 }
458 
459 static inline struct s5c73m3 *oif_sd_to_s5c73m3(struct v4l2_subdev *sd)
460 {
461 	return container_of(sd, struct s5c73m3, oif_sd);
462 }
463 #endif	/* S5C73M3_H_ */
464