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