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