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7d459937 AH |
1 | /* |
2 | * Driver for Samsung S5K5BAF UXGA 1/5" 2M CMOS Image Sensor | |
3 | * with embedded SoC ISP. | |
4 | * | |
5 | * Copyright (C) 2013, Samsung Electronics Co., Ltd. | |
6 | * Andrzej Hajda <a.hajda@samsung.com> | |
7 | * | |
8 | * Based on S5K6AA driver authored by Sylwester Nawrocki | |
9 | * Copyright (C) 2013, Samsung Electronics Co., Ltd. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
16 | #include <linux/clk.h> | |
17 | #include <linux/delay.h> | |
18 | #include <linux/firmware.h> | |
19 | #include <linux/gpio.h> | |
20 | #include <linux/i2c.h> | |
21 | #include <linux/media.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/of_gpio.h> | |
fd9fdb78 | 24 | #include <linux/of_graph.h> |
7d459937 AH |
25 | #include <linux/regulator/consumer.h> |
26 | #include <linux/slab.h> | |
27 | ||
28 | #include <media/media-entity.h> | |
29 | #include <media/v4l2-ctrls.h> | |
30 | #include <media/v4l2-device.h> | |
31 | #include <media/v4l2-subdev.h> | |
32 | #include <media/v4l2-mediabus.h> | |
33 | #include <media/v4l2-of.h> | |
34 | ||
35 | static int debug; | |
36 | module_param(debug, int, 0644); | |
37 | ||
38 | #define S5K5BAF_DRIVER_NAME "s5k5baf" | |
39 | #define S5K5BAF_DEFAULT_MCLK_FREQ 24000000U | |
40 | #define S5K5BAF_CLK_NAME "mclk" | |
41 | ||
42 | #define S5K5BAF_FW_FILENAME "s5k5baf-cfg.bin" | |
43 | #define S5K5BAF_FW_TAG "SF00" | |
44 | #define S5K5BAG_FW_TAG_LEN 2 | |
45 | #define S5K5BAG_FW_MAX_COUNT 16 | |
46 | ||
47 | #define S5K5BAF_CIS_WIDTH 1600 | |
48 | #define S5K5BAF_CIS_HEIGHT 1200 | |
49 | #define S5K5BAF_WIN_WIDTH_MIN 8 | |
50 | #define S5K5BAF_WIN_HEIGHT_MIN 8 | |
51 | #define S5K5BAF_GAIN_RED_DEF 127 | |
52 | #define S5K5BAF_GAIN_GREEN_DEF 95 | |
53 | #define S5K5BAF_GAIN_BLUE_DEF 180 | |
54 | /* Default number of MIPI CSI-2 data lanes used */ | |
55 | #define S5K5BAF_DEF_NUM_LANES 1 | |
56 | ||
57 | #define AHB_MSB_ADDR_PTR 0xfcfc | |
58 | ||
59 | /* | |
60 | * Register interface pages (the most significant word of the address) | |
61 | */ | |
62 | #define PAGE_IF_HW 0xd000 | |
63 | #define PAGE_IF_SW 0x7000 | |
64 | ||
65 | /* | |
66 | * H/W register Interface (PAGE_IF_HW) | |
67 | */ | |
68 | #define REG_SW_LOAD_COMPLETE 0x0014 | |
69 | #define REG_CMDWR_PAGE 0x0028 | |
70 | #define REG_CMDWR_ADDR 0x002a | |
71 | #define REG_CMDRD_PAGE 0x002c | |
72 | #define REG_CMDRD_ADDR 0x002e | |
73 | #define REG_CMD_BUF 0x0f12 | |
74 | #define REG_SET_HOST_INT 0x1000 | |
75 | #define REG_CLEAR_HOST_INT 0x1030 | |
76 | #define REG_PATTERN_SET 0x3100 | |
77 | #define REG_PATTERN_WIDTH 0x3118 | |
78 | #define REG_PATTERN_HEIGHT 0x311a | |
79 | #define REG_PATTERN_PARAM 0x311c | |
80 | ||
81 | /* | |
82 | * S/W register interface (PAGE_IF_SW) | |
83 | */ | |
84 | ||
85 | /* Firmware revision information */ | |
86 | #define REG_FW_APIVER 0x012e | |
87 | #define S5K5BAF_FW_APIVER 0x0001 | |
88 | #define REG_FW_REVISION 0x0130 | |
89 | #define REG_FW_SENSOR_ID 0x0152 | |
90 | ||
91 | /* Initialization parameters */ | |
92 | /* Master clock frequency in KHz */ | |
93 | #define REG_I_INCLK_FREQ_L 0x01b8 | |
94 | #define REG_I_INCLK_FREQ_H 0x01ba | |
95 | #define MIN_MCLK_FREQ_KHZ 6000U | |
96 | #define MAX_MCLK_FREQ_KHZ 48000U | |
97 | #define REG_I_USE_NPVI_CLOCKS 0x01c6 | |
98 | #define NPVI_CLOCKS 1 | |
99 | #define REG_I_USE_NMIPI_CLOCKS 0x01c8 | |
100 | #define NMIPI_CLOCKS 1 | |
101 | #define REG_I_BLOCK_INTERNAL_PLL_CALC 0x01ca | |
102 | ||
103 | /* Clock configurations, n = 0..2. REG_I_* frequency unit is 4 kHz. */ | |
104 | #define REG_I_OPCLK_4KHZ(n) ((n) * 6 + 0x01cc) | |
105 | #define REG_I_MIN_OUTRATE_4KHZ(n) ((n) * 6 + 0x01ce) | |
106 | #define REG_I_MAX_OUTRATE_4KHZ(n) ((n) * 6 + 0x01d0) | |
107 | #define SCLK_PVI_FREQ 24000 | |
108 | #define SCLK_MIPI_FREQ 48000 | |
109 | #define PCLK_MIN_FREQ 6000 | |
110 | #define PCLK_MAX_FREQ 48000 | |
111 | #define REG_I_USE_REGS_API 0x01de | |
112 | #define REG_I_INIT_PARAMS_UPDATED 0x01e0 | |
113 | #define REG_I_ERROR_INFO 0x01e2 | |
114 | ||
115 | /* General purpose parameters */ | |
116 | #define REG_USER_BRIGHTNESS 0x01e4 | |
117 | #define REG_USER_CONTRAST 0x01e6 | |
118 | #define REG_USER_SATURATION 0x01e8 | |
119 | #define REG_USER_SHARPBLUR 0x01ea | |
120 | ||
121 | #define REG_G_SPEC_EFFECTS 0x01ee | |
122 | #define REG_G_ENABLE_PREV 0x01f0 | |
123 | #define REG_G_ENABLE_PREV_CHG 0x01f2 | |
124 | #define REG_G_NEW_CFG_SYNC 0x01f8 | |
125 | #define REG_G_PREVREQ_IN_WIDTH 0x01fa | |
126 | #define REG_G_PREVREQ_IN_HEIGHT 0x01fc | |
127 | #define REG_G_PREVREQ_IN_XOFFS 0x01fe | |
128 | #define REG_G_PREVREQ_IN_YOFFS 0x0200 | |
129 | #define REG_G_PREVZOOM_IN_WIDTH 0x020a | |
130 | #define REG_G_PREVZOOM_IN_HEIGHT 0x020c | |
131 | #define REG_G_PREVZOOM_IN_XOFFS 0x020e | |
132 | #define REG_G_PREVZOOM_IN_YOFFS 0x0210 | |
133 | #define REG_G_INPUTS_CHANGE_REQ 0x021a | |
134 | #define REG_G_ACTIVE_PREV_CFG 0x021c | |
135 | #define REG_G_PREV_CFG_CHG 0x021e | |
136 | #define REG_G_PREV_OPEN_AFTER_CH 0x0220 | |
137 | #define REG_G_PREV_CFG_ERROR 0x0222 | |
138 | #define CFG_ERROR_RANGE 0x0b | |
139 | #define REG_G_PREV_CFG_BYPASS_CHANGED 0x022a | |
140 | #define REG_G_ACTUAL_P_FR_TIME 0x023a | |
141 | #define REG_G_ACTUAL_P_OUT_RATE 0x023c | |
142 | #define REG_G_ACTUAL_C_FR_TIME 0x023e | |
143 | #define REG_G_ACTUAL_C_OUT_RATE 0x0240 | |
144 | ||
145 | /* Preview control section. n = 0...4. */ | |
146 | #define PREG(n, x) ((n) * 0x26 + x) | |
147 | #define REG_P_OUT_WIDTH(n) PREG(n, 0x0242) | |
148 | #define REG_P_OUT_HEIGHT(n) PREG(n, 0x0244) | |
149 | #define REG_P_FMT(n) PREG(n, 0x0246) | |
150 | #define REG_P_MAX_OUT_RATE(n) PREG(n, 0x0248) | |
151 | #define REG_P_MIN_OUT_RATE(n) PREG(n, 0x024a) | |
152 | #define REG_P_PVI_MASK(n) PREG(n, 0x024c) | |
153 | #define PVI_MASK_MIPI 0x52 | |
154 | #define REG_P_CLK_INDEX(n) PREG(n, 0x024e) | |
155 | #define CLK_PVI_INDEX 0 | |
156 | #define CLK_MIPI_INDEX NPVI_CLOCKS | |
157 | #define REG_P_FR_RATE_TYPE(n) PREG(n, 0x0250) | |
158 | #define FR_RATE_DYNAMIC 0 | |
159 | #define FR_RATE_FIXED 1 | |
160 | #define FR_RATE_FIXED_ACCURATE 2 | |
161 | #define REG_P_FR_RATE_Q_TYPE(n) PREG(n, 0x0252) | |
162 | #define FR_RATE_Q_DYNAMIC 0 | |
163 | #define FR_RATE_Q_BEST_FRRATE 1 /* Binning enabled */ | |
164 | #define FR_RATE_Q_BEST_QUALITY 2 /* Binning disabled */ | |
165 | /* Frame period in 0.1 ms units */ | |
166 | #define REG_P_MAX_FR_TIME(n) PREG(n, 0x0254) | |
167 | #define REG_P_MIN_FR_TIME(n) PREG(n, 0x0256) | |
168 | #define S5K5BAF_MIN_FR_TIME 333 /* x100 us */ | |
169 | #define S5K5BAF_MAX_FR_TIME 6500 /* x100 us */ | |
170 | /* The below 5 registers are for "device correction" values */ | |
171 | #define REG_P_SATURATION(n) PREG(n, 0x0258) | |
172 | #define REG_P_SHARP_BLUR(n) PREG(n, 0x025a) | |
173 | #define REG_P_GLAMOUR(n) PREG(n, 0x025c) | |
174 | #define REG_P_COLORTEMP(n) PREG(n, 0x025e) | |
175 | #define REG_P_GAMMA_INDEX(n) PREG(n, 0x0260) | |
176 | #define REG_P_PREV_MIRROR(n) PREG(n, 0x0262) | |
177 | #define REG_P_CAP_MIRROR(n) PREG(n, 0x0264) | |
178 | #define REG_P_CAP_ROTATION(n) PREG(n, 0x0266) | |
179 | ||
180 | /* Extended image property controls */ | |
181 | /* Exposure time in 10 us units */ | |
182 | #define REG_SF_USR_EXPOSURE_L 0x03bc | |
183 | #define REG_SF_USR_EXPOSURE_H 0x03be | |
184 | #define REG_SF_USR_EXPOSURE_CHG 0x03c0 | |
185 | #define REG_SF_USR_TOT_GAIN 0x03c2 | |
186 | #define REG_SF_USR_TOT_GAIN_CHG 0x03c4 | |
187 | #define REG_SF_RGAIN 0x03c6 | |
188 | #define REG_SF_RGAIN_CHG 0x03c8 | |
189 | #define REG_SF_GGAIN 0x03ca | |
190 | #define REG_SF_GGAIN_CHG 0x03cc | |
191 | #define REG_SF_BGAIN 0x03ce | |
192 | #define REG_SF_BGAIN_CHG 0x03d0 | |
193 | #define REG_SF_WBGAIN_CHG 0x03d2 | |
194 | #define REG_SF_FLICKER_QUANT 0x03d4 | |
195 | #define REG_SF_FLICKER_QUANT_CHG 0x03d6 | |
196 | ||
197 | /* Output interface (parallel/MIPI) setup */ | |
198 | #define REG_OIF_EN_MIPI_LANES 0x03f2 | |
199 | #define REG_OIF_EN_PACKETS 0x03f4 | |
200 | #define EN_PACKETS_CSI2 0xc3 | |
201 | #define REG_OIF_CFG_CHG 0x03f6 | |
202 | ||
203 | /* Auto-algorithms enable mask */ | |
204 | #define REG_DBG_AUTOALG_EN 0x03f8 | |
205 | #define AALG_ALL_EN BIT(0) | |
206 | #define AALG_AE_EN BIT(1) | |
207 | #define AALG_DIVLEI_EN BIT(2) | |
208 | #define AALG_WB_EN BIT(3) | |
209 | #define AALG_USE_WB_FOR_ISP BIT(4) | |
210 | #define AALG_FLICKER_EN BIT(5) | |
211 | #define AALG_FIT_EN BIT(6) | |
212 | #define AALG_WRHW_EN BIT(7) | |
213 | ||
214 | /* Pointers to color correction matrices */ | |
215 | #define REG_PTR_CCM_HORIZON 0x06d0 | |
216 | #define REG_PTR_CCM_INCANDESCENT 0x06d4 | |
217 | #define REG_PTR_CCM_WARM_WHITE 0x06d8 | |
218 | #define REG_PTR_CCM_COOL_WHITE 0x06dc | |
219 | #define REG_PTR_CCM_DL50 0x06e0 | |
220 | #define REG_PTR_CCM_DL65 0x06e4 | |
221 | #define REG_PTR_CCM_OUTDOOR 0x06ec | |
222 | ||
223 | #define REG_ARR_CCM(n) (0x2800 + 36 * (n)) | |
224 | ||
225 | static const char * const s5k5baf_supply_names[] = { | |
226 | "vdda", /* Analog power supply 2.8V (2.6V to 3.0V) */ | |
227 | "vddreg", /* Regulator input power supply 1.8V (1.7V to 1.9V) | |
228 | or 2.8V (2.6V to 3.0) */ | |
229 | "vddio", /* I/O power supply 1.8V (1.65V to 1.95V) | |
230 | or 2.8V (2.5V to 3.1V) */ | |
231 | }; | |
232 | #define S5K5BAF_NUM_SUPPLIES ARRAY_SIZE(s5k5baf_supply_names) | |
233 | ||
234 | struct s5k5baf_gpio { | |
235 | int gpio; | |
236 | int level; | |
237 | }; | |
238 | ||
239 | enum s5k5baf_gpio_id { | |
240 | STBY, | |
241 | RST, | |
242 | NUM_GPIOS, | |
243 | }; | |
244 | ||
245 | #define PAD_CIS 0 | |
246 | #define PAD_OUT 1 | |
247 | #define NUM_CIS_PADS 1 | |
248 | #define NUM_ISP_PADS 2 | |
249 | ||
250 | struct s5k5baf_pixfmt { | |
251 | enum v4l2_mbus_pixelcode code; | |
252 | u32 colorspace; | |
253 | /* REG_P_FMT(x) register value */ | |
254 | u16 reg_p_fmt; | |
255 | }; | |
256 | ||
257 | struct s5k5baf_ctrls { | |
258 | struct v4l2_ctrl_handler handler; | |
259 | struct { /* Auto / manual white balance cluster */ | |
260 | struct v4l2_ctrl *awb; | |
261 | struct v4l2_ctrl *gain_red; | |
262 | struct v4l2_ctrl *gain_blue; | |
263 | }; | |
264 | struct { /* Mirror cluster */ | |
265 | struct v4l2_ctrl *hflip; | |
266 | struct v4l2_ctrl *vflip; | |
267 | }; | |
268 | struct { /* Auto exposure / manual exposure and gain cluster */ | |
269 | struct v4l2_ctrl *auto_exp; | |
270 | struct v4l2_ctrl *exposure; | |
271 | struct v4l2_ctrl *gain; | |
272 | }; | |
273 | }; | |
274 | ||
275 | enum { | |
276 | S5K5BAF_FW_ID_PATCH, | |
277 | S5K5BAF_FW_ID_CCM, | |
278 | S5K5BAF_FW_ID_CIS, | |
279 | }; | |
280 | ||
281 | struct s5k5baf_fw { | |
282 | u16 count; | |
283 | struct { | |
284 | u16 id; | |
285 | u16 offset; | |
286 | } seq[0]; | |
287 | u16 data[0]; | |
288 | }; | |
289 | ||
290 | struct s5k5baf { | |
291 | struct s5k5baf_gpio gpios[NUM_GPIOS]; | |
292 | enum v4l2_mbus_type bus_type; | |
293 | u8 nlanes; | |
294 | struct regulator_bulk_data supplies[S5K5BAF_NUM_SUPPLIES]; | |
295 | ||
296 | struct clk *clock; | |
297 | u32 mclk_frequency; | |
298 | ||
299 | struct s5k5baf_fw *fw; | |
300 | ||
301 | struct v4l2_subdev cis_sd; | |
302 | struct media_pad cis_pad; | |
303 | ||
304 | struct v4l2_subdev sd; | |
305 | struct media_pad pads[NUM_ISP_PADS]; | |
306 | ||
307 | /* protects the struct members below */ | |
308 | struct mutex lock; | |
309 | ||
310 | int error; | |
311 | ||
312 | struct v4l2_rect crop_sink; | |
313 | struct v4l2_rect compose; | |
314 | struct v4l2_rect crop_source; | |
315 | /* index to s5k5baf_formats array */ | |
316 | int pixfmt; | |
317 | /* actual frame interval in 100us */ | |
318 | u16 fiv; | |
319 | /* requested frame interval in 100us */ | |
320 | u16 req_fiv; | |
321 | /* cache for REG_DBG_AUTOALG_EN register */ | |
322 | u16 auto_alg; | |
323 | ||
324 | struct s5k5baf_ctrls ctrls; | |
325 | ||
326 | unsigned int streaming:1; | |
327 | unsigned int apply_cfg:1; | |
328 | unsigned int apply_crop:1; | |
329 | unsigned int valid_auto_alg:1; | |
330 | unsigned int power; | |
331 | }; | |
332 | ||
333 | static const struct s5k5baf_pixfmt s5k5baf_formats[] = { | |
334 | { V4L2_MBUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_JPEG, 5 }, | |
335 | /* range 16-240 */ | |
336 | { V4L2_MBUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_REC709, 6 }, | |
337 | { V4L2_MBUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_JPEG, 0 }, | |
338 | }; | |
339 | ||
340 | static struct v4l2_rect s5k5baf_cis_rect = { | |
341 | 0, 0, S5K5BAF_CIS_WIDTH, S5K5BAF_CIS_HEIGHT | |
342 | }; | |
343 | ||
344 | /* Setfile contains set of I2C command sequences. Each sequence has its ID. | |
345 | * setfile format: | |
346 | * u8 magic[4]; | |
347 | * u16 count; number of sequences | |
348 | * struct { | |
349 | * u16 id; sequence id | |
350 | * u16 offset; sequence offset in data array | |
351 | * } seq[count]; | |
352 | * u16 data[*]; array containing sequences | |
353 | * | |
354 | */ | |
355 | static int s5k5baf_fw_parse(struct device *dev, struct s5k5baf_fw **fw, | |
356 | size_t count, const u16 *data) | |
357 | { | |
358 | struct s5k5baf_fw *f; | |
359 | u16 *d, i, *end; | |
360 | int ret; | |
361 | ||
362 | if (count < S5K5BAG_FW_TAG_LEN + 1) { | |
383cc04c | 363 | dev_err(dev, "firmware file too short (%zu)\n", count); |
7d459937 AH |
364 | return -EINVAL; |
365 | } | |
366 | ||
367 | ret = memcmp(data, S5K5BAF_FW_TAG, S5K5BAG_FW_TAG_LEN * sizeof(u16)); | |
368 | if (ret != 0) { | |
369 | dev_err(dev, "invalid firmware magic number\n"); | |
370 | return -EINVAL; | |
371 | } | |
372 | ||
373 | data += S5K5BAG_FW_TAG_LEN; | |
374 | count -= S5K5BAG_FW_TAG_LEN; | |
375 | ||
376 | d = devm_kzalloc(dev, count * sizeof(u16), GFP_KERNEL); | |
377 | ||
378 | for (i = 0; i < count; ++i) | |
379 | d[i] = le16_to_cpu(data[i]); | |
380 | ||
381 | f = (struct s5k5baf_fw *)d; | |
382 | if (count < 1 + 2 * f->count) { | |
383cc04c | 383 | dev_err(dev, "invalid firmware header (count=%d size=%zu)\n", |
7d459937 AH |
384 | f->count, 2 * (count + S5K5BAG_FW_TAG_LEN)); |
385 | return -EINVAL; | |
386 | } | |
387 | end = d + count; | |
388 | d += 1 + 2 * f->count; | |
389 | ||
390 | for (i = 0; i < f->count; ++i) { | |
391 | if (f->seq[i].offset + d <= end) | |
392 | continue; | |
393 | dev_err(dev, "invalid firmware header (seq=%d)\n", i); | |
394 | return -EINVAL; | |
395 | } | |
396 | ||
397 | *fw = f; | |
398 | ||
399 | return 0; | |
400 | } | |
401 | ||
402 | static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) | |
403 | { | |
404 | return &container_of(ctrl->handler, struct s5k5baf, ctrls.handler)->sd; | |
405 | } | |
406 | ||
407 | static inline bool s5k5baf_is_cis_subdev(struct v4l2_subdev *sd) | |
408 | { | |
409 | return sd->entity.type == MEDIA_ENT_T_V4L2_SUBDEV_SENSOR; | |
410 | } | |
411 | ||
412 | static inline struct s5k5baf *to_s5k5baf(struct v4l2_subdev *sd) | |
413 | { | |
414 | if (s5k5baf_is_cis_subdev(sd)) | |
415 | return container_of(sd, struct s5k5baf, cis_sd); | |
416 | else | |
417 | return container_of(sd, struct s5k5baf, sd); | |
418 | } | |
419 | ||
420 | static u16 s5k5baf_i2c_read(struct s5k5baf *state, u16 addr) | |
421 | { | |
422 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
423 | __be16 w, r; | |
424 | struct i2c_msg msg[] = { | |
425 | { .addr = c->addr, .flags = 0, | |
426 | .len = 2, .buf = (u8 *)&w }, | |
427 | { .addr = c->addr, .flags = I2C_M_RD, | |
428 | .len = 2, .buf = (u8 *)&r }, | |
429 | }; | |
430 | int ret; | |
431 | ||
432 | if (state->error) | |
433 | return 0; | |
434 | ||
435 | w = cpu_to_be16(addr); | |
436 | ret = i2c_transfer(c->adapter, msg, 2); | |
437 | r = be16_to_cpu(r); | |
438 | ||
439 | v4l2_dbg(3, debug, c, "i2c_read: 0x%04x : 0x%04x\n", addr, r); | |
440 | ||
441 | if (ret != 2) { | |
442 | v4l2_err(c, "i2c_read: error during transfer (%d)\n", ret); | |
443 | state->error = ret; | |
444 | } | |
445 | return r; | |
446 | } | |
447 | ||
448 | static void s5k5baf_i2c_write(struct s5k5baf *state, u16 addr, u16 val) | |
449 | { | |
450 | u8 buf[4] = { addr >> 8, addr & 0xFF, val >> 8, val & 0xFF }; | |
451 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
452 | int ret; | |
453 | ||
454 | if (state->error) | |
455 | return; | |
456 | ||
457 | ret = i2c_master_send(c, buf, 4); | |
458 | v4l2_dbg(3, debug, c, "i2c_write: 0x%04x : 0x%04x\n", addr, val); | |
459 | ||
460 | if (ret != 4) { | |
461 | v4l2_err(c, "i2c_write: error during transfer (%d)\n", ret); | |
462 | state->error = ret; | |
463 | } | |
464 | } | |
465 | ||
466 | static u16 s5k5baf_read(struct s5k5baf *state, u16 addr) | |
467 | { | |
468 | s5k5baf_i2c_write(state, REG_CMDRD_ADDR, addr); | |
469 | return s5k5baf_i2c_read(state, REG_CMD_BUF); | |
470 | } | |
471 | ||
472 | static void s5k5baf_write(struct s5k5baf *state, u16 addr, u16 val) | |
473 | { | |
474 | s5k5baf_i2c_write(state, REG_CMDWR_ADDR, addr); | |
475 | s5k5baf_i2c_write(state, REG_CMD_BUF, val); | |
476 | } | |
477 | ||
478 | static void s5k5baf_write_arr_seq(struct s5k5baf *state, u16 addr, | |
479 | u16 count, const u16 *seq) | |
480 | { | |
481 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
7e8f15c5 | 482 | __be16 buf[65]; |
7d459937 AH |
483 | |
484 | s5k5baf_i2c_write(state, REG_CMDWR_ADDR, addr); | |
485 | if (state->error) | |
486 | return; | |
487 | ||
7e8f15c5 AH |
488 | v4l2_dbg(3, debug, c, "i2c_write_seq(count=%d): %*ph\n", count, |
489 | min(2 * count, 64), seq); | |
490 | ||
7d459937 | 491 | buf[0] = __constant_cpu_to_be16(REG_CMD_BUF); |
7d459937 | 492 | |
7e8f15c5 AH |
493 | while (count > 0) { |
494 | int n = min_t(int, count, ARRAY_SIZE(buf) - 1); | |
495 | int ret, i; | |
7d459937 | 496 | |
7e8f15c5 AH |
497 | for (i = 1; i <= n; ++i) |
498 | buf[i] = cpu_to_be16(*seq++); | |
499 | ||
500 | i *= 2; | |
501 | ret = i2c_master_send(c, (char *)buf, i); | |
502 | if (ret != i) { | |
503 | v4l2_err(c, "i2c_write_seq: error during transfer (%d)\n", ret); | |
504 | state->error = ret; | |
505 | break; | |
506 | } | |
507 | ||
508 | count -= n; | |
7d459937 AH |
509 | } |
510 | } | |
511 | ||
512 | #define s5k5baf_write_seq(state, addr, seq...) \ | |
513 | s5k5baf_write_arr_seq(state, addr, sizeof((char[]){ seq }), \ | |
514 | (const u16 []){ seq }); | |
515 | ||
516 | /* add items count at the beginning of the list */ | |
517 | #define NSEQ(seq...) sizeof((char[]){ seq }), seq | |
518 | ||
519 | /* | |
520 | * s5k5baf_write_nseq() - Writes sequences of values to sensor memory via i2c | |
521 | * @nseq: sequence of u16 words in format: | |
522 | * (N, address, value[1]...value[N-1])*,0 | |
523 | * Ex.: | |
524 | * u16 seq[] = { NSEQ(0x4000, 1, 1), NSEQ(0x4010, 640, 480), 0 }; | |
525 | * ret = s5k5baf_write_nseq(c, seq); | |
526 | */ | |
527 | static void s5k5baf_write_nseq(struct s5k5baf *state, const u16 *nseq) | |
528 | { | |
529 | int count; | |
530 | ||
531 | while ((count = *nseq++)) { | |
532 | u16 addr = *nseq++; | |
533 | --count; | |
534 | ||
535 | s5k5baf_write_arr_seq(state, addr, count, nseq); | |
536 | nseq += count; | |
537 | } | |
538 | } | |
539 | ||
540 | static void s5k5baf_synchronize(struct s5k5baf *state, int timeout, u16 addr) | |
541 | { | |
542 | unsigned long end = jiffies + msecs_to_jiffies(timeout); | |
543 | u16 reg; | |
544 | ||
545 | s5k5baf_write(state, addr, 1); | |
546 | do { | |
547 | reg = s5k5baf_read(state, addr); | |
548 | if (state->error || !reg) | |
549 | return; | |
550 | usleep_range(5000, 10000); | |
551 | } while (time_is_after_jiffies(end)); | |
552 | ||
553 | v4l2_err(&state->sd, "timeout on register synchronize (%#x)\n", addr); | |
554 | state->error = -ETIMEDOUT; | |
555 | } | |
556 | ||
557 | static u16 *s5k5baf_fw_get_seq(struct s5k5baf *state, u16 seq_id) | |
558 | { | |
559 | struct s5k5baf_fw *fw = state->fw; | |
c0ee6273 | 560 | u16 *data; |
7d459937 AH |
561 | int i; |
562 | ||
563 | if (fw == NULL) | |
564 | return NULL; | |
565 | ||
c0ee6273 SK |
566 | data = fw->data + 2 * fw->count; |
567 | ||
7d459937 AH |
568 | for (i = 0; i < fw->count; ++i) { |
569 | if (fw->seq[i].id == seq_id) | |
570 | return data + fw->seq[i].offset; | |
571 | } | |
572 | ||
573 | return NULL; | |
574 | } | |
575 | ||
576 | static void s5k5baf_hw_patch(struct s5k5baf *state) | |
577 | { | |
578 | u16 *seq = s5k5baf_fw_get_seq(state, S5K5BAF_FW_ID_PATCH); | |
579 | ||
580 | if (seq) | |
581 | s5k5baf_write_nseq(state, seq); | |
582 | } | |
583 | ||
584 | static void s5k5baf_hw_set_clocks(struct s5k5baf *state) | |
585 | { | |
586 | unsigned long mclk = state->mclk_frequency / 1000; | |
587 | u16 status; | |
588 | static const u16 nseq_clk_cfg[] = { | |
589 | NSEQ(REG_I_USE_NPVI_CLOCKS, | |
590 | NPVI_CLOCKS, NMIPI_CLOCKS, 0, | |
591 | SCLK_PVI_FREQ / 4, PCLK_MIN_FREQ / 4, PCLK_MAX_FREQ / 4, | |
592 | SCLK_MIPI_FREQ / 4, PCLK_MIN_FREQ / 4, PCLK_MAX_FREQ / 4), | |
593 | NSEQ(REG_I_USE_REGS_API, 1), | |
594 | 0 | |
595 | }; | |
596 | ||
597 | s5k5baf_write_seq(state, REG_I_INCLK_FREQ_L, mclk & 0xffff, mclk >> 16); | |
598 | s5k5baf_write_nseq(state, nseq_clk_cfg); | |
599 | ||
600 | s5k5baf_synchronize(state, 250, REG_I_INIT_PARAMS_UPDATED); | |
601 | status = s5k5baf_read(state, REG_I_ERROR_INFO); | |
602 | if (!state->error && status) { | |
603 | v4l2_err(&state->sd, "error configuring PLL (%d)\n", status); | |
604 | state->error = -EINVAL; | |
605 | } | |
606 | } | |
607 | ||
608 | /* set custom color correction matrices for various illuminations */ | |
609 | static void s5k5baf_hw_set_ccm(struct s5k5baf *state) | |
610 | { | |
611 | u16 *seq = s5k5baf_fw_get_seq(state, S5K5BAF_FW_ID_CCM); | |
612 | ||
613 | if (seq) | |
614 | s5k5baf_write_nseq(state, seq); | |
615 | } | |
616 | ||
617 | /* CIS sensor tuning, based on undocumented android driver code */ | |
618 | static void s5k5baf_hw_set_cis(struct s5k5baf *state) | |
619 | { | |
620 | u16 *seq = s5k5baf_fw_get_seq(state, S5K5BAF_FW_ID_CIS); | |
621 | ||
622 | if (!seq) | |
623 | return; | |
624 | ||
625 | s5k5baf_i2c_write(state, REG_CMDWR_PAGE, PAGE_IF_HW); | |
626 | s5k5baf_write_nseq(state, seq); | |
627 | s5k5baf_i2c_write(state, REG_CMDWR_PAGE, PAGE_IF_SW); | |
628 | } | |
629 | ||
630 | static void s5k5baf_hw_sync_cfg(struct s5k5baf *state) | |
631 | { | |
632 | s5k5baf_write(state, REG_G_PREV_CFG_CHG, 1); | |
633 | if (state->apply_crop) { | |
634 | s5k5baf_write(state, REG_G_INPUTS_CHANGE_REQ, 1); | |
635 | s5k5baf_write(state, REG_G_PREV_CFG_BYPASS_CHANGED, 1); | |
636 | } | |
637 | s5k5baf_synchronize(state, 500, REG_G_NEW_CFG_SYNC); | |
638 | } | |
639 | /* Set horizontal and vertical image flipping */ | |
640 | static void s5k5baf_hw_set_mirror(struct s5k5baf *state) | |
641 | { | |
642 | u16 flip = state->ctrls.vflip->val | (state->ctrls.vflip->val << 1); | |
643 | ||
644 | s5k5baf_write(state, REG_P_PREV_MIRROR(0), flip); | |
645 | if (state->streaming) | |
646 | s5k5baf_hw_sync_cfg(state); | |
647 | } | |
648 | ||
649 | static void s5k5baf_hw_set_alg(struct s5k5baf *state, u16 alg, bool enable) | |
650 | { | |
651 | u16 cur_alg, new_alg; | |
652 | ||
653 | if (!state->valid_auto_alg) | |
654 | cur_alg = s5k5baf_read(state, REG_DBG_AUTOALG_EN); | |
655 | else | |
656 | cur_alg = state->auto_alg; | |
657 | ||
658 | new_alg = enable ? (cur_alg | alg) : (cur_alg & ~alg); | |
659 | ||
660 | if (new_alg != cur_alg) | |
661 | s5k5baf_write(state, REG_DBG_AUTOALG_EN, new_alg); | |
662 | ||
663 | if (state->error) | |
664 | return; | |
665 | ||
666 | state->valid_auto_alg = 1; | |
667 | state->auto_alg = new_alg; | |
668 | } | |
669 | ||
670 | /* Configure auto/manual white balance and R/G/B gains */ | |
671 | static void s5k5baf_hw_set_awb(struct s5k5baf *state, int awb) | |
672 | { | |
673 | struct s5k5baf_ctrls *ctrls = &state->ctrls; | |
674 | ||
675 | if (!awb) | |
676 | s5k5baf_write_seq(state, REG_SF_RGAIN, | |
677 | ctrls->gain_red->val, 1, | |
678 | S5K5BAF_GAIN_GREEN_DEF, 1, | |
679 | ctrls->gain_blue->val, 1, | |
680 | 1); | |
681 | ||
682 | s5k5baf_hw_set_alg(state, AALG_WB_EN, awb); | |
683 | } | |
684 | ||
685 | /* Program FW with exposure time, 'exposure' in us units */ | |
686 | static void s5k5baf_hw_set_user_exposure(struct s5k5baf *state, int exposure) | |
687 | { | |
688 | unsigned int time = exposure / 10; | |
689 | ||
690 | s5k5baf_write_seq(state, REG_SF_USR_EXPOSURE_L, | |
691 | time & 0xffff, time >> 16, 1); | |
692 | } | |
693 | ||
694 | static void s5k5baf_hw_set_user_gain(struct s5k5baf *state, int gain) | |
695 | { | |
696 | s5k5baf_write_seq(state, REG_SF_USR_TOT_GAIN, gain, 1); | |
697 | } | |
698 | ||
699 | /* Set auto/manual exposure and total gain */ | |
700 | static void s5k5baf_hw_set_auto_exposure(struct s5k5baf *state, int value) | |
701 | { | |
702 | if (value == V4L2_EXPOSURE_AUTO) { | |
703 | s5k5baf_hw_set_alg(state, AALG_AE_EN | AALG_DIVLEI_EN, true); | |
704 | } else { | |
705 | unsigned int exp_time = state->ctrls.exposure->val; | |
706 | ||
707 | s5k5baf_hw_set_user_exposure(state, exp_time); | |
708 | s5k5baf_hw_set_user_gain(state, state->ctrls.gain->val); | |
709 | s5k5baf_hw_set_alg(state, AALG_AE_EN | AALG_DIVLEI_EN, false); | |
710 | } | |
711 | } | |
712 | ||
713 | static void s5k5baf_hw_set_anti_flicker(struct s5k5baf *state, int v) | |
714 | { | |
715 | if (v == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) { | |
716 | s5k5baf_hw_set_alg(state, AALG_FLICKER_EN, true); | |
717 | } else { | |
718 | /* The V4L2_CID_LINE_FREQUENCY control values match | |
719 | * the register values */ | |
720 | s5k5baf_write_seq(state, REG_SF_FLICKER_QUANT, v, 1); | |
721 | s5k5baf_hw_set_alg(state, AALG_FLICKER_EN, false); | |
722 | } | |
723 | } | |
724 | ||
725 | static void s5k5baf_hw_set_colorfx(struct s5k5baf *state, int val) | |
726 | { | |
727 | static const u16 colorfx[] = { | |
728 | [V4L2_COLORFX_NONE] = 0, | |
729 | [V4L2_COLORFX_BW] = 1, | |
730 | [V4L2_COLORFX_NEGATIVE] = 2, | |
731 | [V4L2_COLORFX_SEPIA] = 3, | |
732 | [V4L2_COLORFX_SKY_BLUE] = 4, | |
733 | [V4L2_COLORFX_SKETCH] = 5, | |
734 | }; | |
735 | ||
736 | s5k5baf_write(state, REG_G_SPEC_EFFECTS, colorfx[val]); | |
737 | } | |
738 | ||
739 | static int s5k5baf_find_pixfmt(struct v4l2_mbus_framefmt *mf) | |
740 | { | |
741 | int i, c = -1; | |
742 | ||
743 | for (i = 0; i < ARRAY_SIZE(s5k5baf_formats); i++) { | |
744 | if (mf->colorspace != s5k5baf_formats[i].colorspace) | |
745 | continue; | |
746 | if (mf->code == s5k5baf_formats[i].code) | |
747 | return i; | |
748 | if (c < 0) | |
749 | c = i; | |
750 | } | |
751 | return (c < 0) ? 0 : c; | |
752 | } | |
753 | ||
754 | static int s5k5baf_clear_error(struct s5k5baf *state) | |
755 | { | |
756 | int ret = state->error; | |
757 | ||
758 | state->error = 0; | |
759 | return ret; | |
760 | } | |
761 | ||
762 | static int s5k5baf_hw_set_video_bus(struct s5k5baf *state) | |
763 | { | |
764 | u16 en_pkts; | |
765 | ||
766 | if (state->bus_type == V4L2_MBUS_CSI2) | |
767 | en_pkts = EN_PACKETS_CSI2; | |
768 | else | |
769 | en_pkts = 0; | |
770 | ||
771 | s5k5baf_write_seq(state, REG_OIF_EN_MIPI_LANES, | |
772 | state->nlanes, en_pkts, 1); | |
773 | ||
774 | return s5k5baf_clear_error(state); | |
775 | } | |
776 | ||
777 | static u16 s5k5baf_get_cfg_error(struct s5k5baf *state) | |
778 | { | |
779 | u16 err = s5k5baf_read(state, REG_G_PREV_CFG_ERROR); | |
780 | if (err) | |
781 | s5k5baf_write(state, REG_G_PREV_CFG_ERROR, 0); | |
782 | return err; | |
783 | } | |
784 | ||
785 | static void s5k5baf_hw_set_fiv(struct s5k5baf *state, u16 fiv) | |
786 | { | |
787 | s5k5baf_write(state, REG_P_MAX_FR_TIME(0), fiv); | |
788 | s5k5baf_hw_sync_cfg(state); | |
789 | } | |
790 | ||
791 | static void s5k5baf_hw_find_min_fiv(struct s5k5baf *state) | |
792 | { | |
793 | u16 err, fiv; | |
794 | int n; | |
795 | ||
796 | fiv = s5k5baf_read(state, REG_G_ACTUAL_P_FR_TIME); | |
797 | if (state->error) | |
798 | return; | |
799 | ||
800 | for (n = 5; n > 0; --n) { | |
801 | s5k5baf_hw_set_fiv(state, fiv); | |
802 | err = s5k5baf_get_cfg_error(state); | |
803 | if (state->error) | |
804 | return; | |
805 | switch (err) { | |
806 | case CFG_ERROR_RANGE: | |
807 | ++fiv; | |
808 | break; | |
809 | case 0: | |
810 | state->fiv = fiv; | |
811 | v4l2_info(&state->sd, | |
812 | "found valid frame interval: %d00us\n", fiv); | |
813 | return; | |
814 | default: | |
815 | v4l2_err(&state->sd, | |
816 | "error setting frame interval: %d\n", err); | |
817 | state->error = -EINVAL; | |
818 | } | |
819 | }; | |
820 | v4l2_err(&state->sd, "cannot find correct frame interval\n"); | |
821 | state->error = -ERANGE; | |
822 | } | |
823 | ||
824 | static void s5k5baf_hw_validate_cfg(struct s5k5baf *state) | |
825 | { | |
826 | u16 err; | |
827 | ||
828 | err = s5k5baf_get_cfg_error(state); | |
829 | if (state->error) | |
830 | return; | |
831 | ||
832 | switch (err) { | |
833 | case 0: | |
834 | state->apply_cfg = 1; | |
835 | return; | |
836 | case CFG_ERROR_RANGE: | |
837 | s5k5baf_hw_find_min_fiv(state); | |
838 | if (!state->error) | |
839 | state->apply_cfg = 1; | |
840 | return; | |
841 | default: | |
842 | v4l2_err(&state->sd, | |
843 | "error setting format: %d\n", err); | |
844 | state->error = -EINVAL; | |
845 | } | |
846 | } | |
847 | ||
848 | static void s5k5baf_rescale(struct v4l2_rect *r, const struct v4l2_rect *v, | |
849 | const struct v4l2_rect *n, | |
850 | const struct v4l2_rect *d) | |
851 | { | |
852 | r->left = v->left * n->width / d->width; | |
853 | r->top = v->top * n->height / d->height; | |
854 | r->width = v->width * n->width / d->width; | |
855 | r->height = v->height * n->height / d->height; | |
856 | } | |
857 | ||
858 | static int s5k5baf_hw_set_crop_rects(struct s5k5baf *state) | |
859 | { | |
860 | struct v4l2_rect *p, r; | |
861 | u16 err; | |
862 | int ret; | |
863 | ||
864 | p = &state->crop_sink; | |
865 | s5k5baf_write_seq(state, REG_G_PREVREQ_IN_WIDTH, p->width, p->height, | |
866 | p->left, p->top); | |
867 | ||
868 | s5k5baf_rescale(&r, &state->crop_source, &state->crop_sink, | |
869 | &state->compose); | |
870 | s5k5baf_write_seq(state, REG_G_PREVZOOM_IN_WIDTH, r.width, r.height, | |
871 | r.left, r.top); | |
872 | ||
873 | s5k5baf_synchronize(state, 500, REG_G_INPUTS_CHANGE_REQ); | |
874 | s5k5baf_synchronize(state, 500, REG_G_PREV_CFG_BYPASS_CHANGED); | |
875 | err = s5k5baf_get_cfg_error(state); | |
876 | ret = s5k5baf_clear_error(state); | |
877 | if (ret < 0) | |
878 | return ret; | |
879 | ||
880 | switch (err) { | |
881 | case 0: | |
882 | break; | |
883 | case CFG_ERROR_RANGE: | |
884 | /* retry crop with frame interval set to max */ | |
885 | s5k5baf_hw_set_fiv(state, S5K5BAF_MAX_FR_TIME); | |
886 | err = s5k5baf_get_cfg_error(state); | |
887 | ret = s5k5baf_clear_error(state); | |
888 | if (ret < 0) | |
889 | return ret; | |
890 | if (err) { | |
891 | v4l2_err(&state->sd, | |
892 | "crop error on max frame interval: %d\n", err); | |
893 | state->error = -EINVAL; | |
894 | } | |
895 | s5k5baf_hw_set_fiv(state, state->req_fiv); | |
896 | s5k5baf_hw_validate_cfg(state); | |
897 | break; | |
898 | default: | |
899 | v4l2_err(&state->sd, "crop error: %d\n", err); | |
900 | return -EINVAL; | |
901 | } | |
902 | ||
903 | if (!state->apply_cfg) | |
904 | return 0; | |
905 | ||
906 | p = &state->crop_source; | |
907 | s5k5baf_write_seq(state, REG_P_OUT_WIDTH(0), p->width, p->height); | |
908 | s5k5baf_hw_set_fiv(state, state->req_fiv); | |
909 | s5k5baf_hw_validate_cfg(state); | |
910 | ||
911 | return s5k5baf_clear_error(state); | |
912 | } | |
913 | ||
914 | static void s5k5baf_hw_set_config(struct s5k5baf *state) | |
915 | { | |
916 | u16 reg_fmt = s5k5baf_formats[state->pixfmt].reg_p_fmt; | |
917 | struct v4l2_rect *r = &state->crop_source; | |
918 | ||
919 | s5k5baf_write_seq(state, REG_P_OUT_WIDTH(0), | |
920 | r->width, r->height, reg_fmt, | |
921 | PCLK_MAX_FREQ >> 2, PCLK_MIN_FREQ >> 2, | |
922 | PVI_MASK_MIPI, CLK_MIPI_INDEX, | |
923 | FR_RATE_FIXED, FR_RATE_Q_DYNAMIC, | |
924 | state->req_fiv, S5K5BAF_MIN_FR_TIME); | |
925 | s5k5baf_hw_sync_cfg(state); | |
926 | s5k5baf_hw_validate_cfg(state); | |
927 | } | |
928 | ||
929 | ||
930 | static void s5k5baf_hw_set_test_pattern(struct s5k5baf *state, int id) | |
931 | { | |
932 | s5k5baf_i2c_write(state, REG_PATTERN_WIDTH, 800); | |
933 | s5k5baf_i2c_write(state, REG_PATTERN_HEIGHT, 511); | |
934 | s5k5baf_i2c_write(state, REG_PATTERN_PARAM, 0); | |
935 | s5k5baf_i2c_write(state, REG_PATTERN_SET, id); | |
936 | } | |
937 | ||
938 | static void s5k5baf_gpio_assert(struct s5k5baf *state, int id) | |
939 | { | |
940 | struct s5k5baf_gpio *gpio = &state->gpios[id]; | |
941 | ||
942 | gpio_set_value(gpio->gpio, gpio->level); | |
943 | } | |
944 | ||
945 | static void s5k5baf_gpio_deassert(struct s5k5baf *state, int id) | |
946 | { | |
947 | struct s5k5baf_gpio *gpio = &state->gpios[id]; | |
948 | ||
949 | gpio_set_value(gpio->gpio, !gpio->level); | |
950 | } | |
951 | ||
952 | static int s5k5baf_power_on(struct s5k5baf *state) | |
953 | { | |
954 | int ret; | |
955 | ||
956 | ret = regulator_bulk_enable(S5K5BAF_NUM_SUPPLIES, state->supplies); | |
957 | if (ret < 0) | |
958 | goto err; | |
959 | ||
960 | ret = clk_set_rate(state->clock, state->mclk_frequency); | |
961 | if (ret < 0) | |
962 | goto err_reg_dis; | |
963 | ||
964 | ret = clk_prepare_enable(state->clock); | |
965 | if (ret < 0) | |
966 | goto err_reg_dis; | |
967 | ||
968 | v4l2_dbg(1, debug, &state->sd, "clock frequency: %ld\n", | |
969 | clk_get_rate(state->clock)); | |
970 | ||
971 | s5k5baf_gpio_deassert(state, STBY); | |
972 | usleep_range(50, 100); | |
973 | s5k5baf_gpio_deassert(state, RST); | |
974 | return 0; | |
975 | ||
976 | err_reg_dis: | |
977 | regulator_bulk_disable(S5K5BAF_NUM_SUPPLIES, state->supplies); | |
978 | err: | |
979 | v4l2_err(&state->sd, "%s() failed (%d)\n", __func__, ret); | |
980 | return ret; | |
981 | } | |
982 | ||
983 | static int s5k5baf_power_off(struct s5k5baf *state) | |
984 | { | |
985 | int ret; | |
986 | ||
987 | state->streaming = 0; | |
988 | state->apply_cfg = 0; | |
989 | state->apply_crop = 0; | |
990 | ||
991 | s5k5baf_gpio_assert(state, RST); | |
992 | s5k5baf_gpio_assert(state, STBY); | |
993 | ||
994 | if (!IS_ERR(state->clock)) | |
995 | clk_disable_unprepare(state->clock); | |
996 | ||
997 | ret = regulator_bulk_disable(S5K5BAF_NUM_SUPPLIES, | |
998 | state->supplies); | |
999 | if (ret < 0) | |
1000 | v4l2_err(&state->sd, "failed to disable regulators\n"); | |
1001 | ||
1002 | return 0; | |
1003 | } | |
1004 | ||
1005 | static void s5k5baf_hw_init(struct s5k5baf *state) | |
1006 | { | |
1007 | s5k5baf_i2c_write(state, AHB_MSB_ADDR_PTR, PAGE_IF_HW); | |
1008 | s5k5baf_i2c_write(state, REG_CLEAR_HOST_INT, 0); | |
1009 | s5k5baf_i2c_write(state, REG_SW_LOAD_COMPLETE, 1); | |
1010 | s5k5baf_i2c_write(state, REG_CMDRD_PAGE, PAGE_IF_SW); | |
1011 | s5k5baf_i2c_write(state, REG_CMDWR_PAGE, PAGE_IF_SW); | |
1012 | } | |
1013 | ||
1014 | /* | |
1015 | * V4L2 subdev core and video operations | |
1016 | */ | |
1017 | ||
1018 | static void s5k5baf_initialize_data(struct s5k5baf *state) | |
1019 | { | |
1020 | state->pixfmt = 0; | |
1021 | state->req_fiv = 10000 / 15; | |
1022 | state->fiv = state->req_fiv; | |
1023 | state->valid_auto_alg = 0; | |
1024 | } | |
1025 | ||
1026 | static int s5k5baf_load_setfile(struct s5k5baf *state) | |
1027 | { | |
1028 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
1029 | const struct firmware *fw; | |
1030 | int ret; | |
1031 | ||
1032 | ret = request_firmware(&fw, S5K5BAF_FW_FILENAME, &c->dev); | |
1033 | if (ret < 0) { | |
1034 | dev_warn(&c->dev, "firmware file (%s) not loaded\n", | |
1035 | S5K5BAF_FW_FILENAME); | |
1036 | return ret; | |
1037 | } | |
1038 | ||
1039 | ret = s5k5baf_fw_parse(&c->dev, &state->fw, fw->size / 2, | |
1040 | (u16 *)fw->data); | |
1041 | ||
1042 | release_firmware(fw); | |
1043 | ||
1044 | return ret; | |
1045 | } | |
1046 | ||
1047 | static int s5k5baf_set_power(struct v4l2_subdev *sd, int on) | |
1048 | { | |
1049 | struct s5k5baf *state = to_s5k5baf(sd); | |
1050 | int ret = 0; | |
1051 | ||
1052 | mutex_lock(&state->lock); | |
1053 | ||
1054 | if (!on != state->power) | |
1055 | goto out; | |
1056 | ||
1057 | if (on) { | |
1058 | if (state->fw == NULL) | |
1059 | s5k5baf_load_setfile(state); | |
1060 | ||
1061 | s5k5baf_initialize_data(state); | |
1062 | ret = s5k5baf_power_on(state); | |
1063 | if (ret < 0) | |
1064 | goto out; | |
1065 | ||
1066 | s5k5baf_hw_init(state); | |
1067 | s5k5baf_hw_patch(state); | |
1068 | s5k5baf_i2c_write(state, REG_SET_HOST_INT, 1); | |
1069 | s5k5baf_hw_set_clocks(state); | |
1070 | ||
1071 | ret = s5k5baf_hw_set_video_bus(state); | |
1072 | if (ret < 0) | |
1073 | goto out; | |
1074 | ||
1075 | s5k5baf_hw_set_cis(state); | |
1076 | s5k5baf_hw_set_ccm(state); | |
1077 | ||
1078 | ret = s5k5baf_clear_error(state); | |
1079 | if (!ret) | |
1080 | state->power++; | |
1081 | } else { | |
1082 | s5k5baf_power_off(state); | |
1083 | state->power--; | |
1084 | } | |
1085 | ||
1086 | out: | |
1087 | mutex_unlock(&state->lock); | |
1088 | ||
1089 | if (!ret && on) | |
1090 | ret = v4l2_ctrl_handler_setup(&state->ctrls.handler); | |
1091 | ||
1092 | return ret; | |
1093 | } | |
1094 | ||
1095 | static void s5k5baf_hw_set_stream(struct s5k5baf *state, int enable) | |
1096 | { | |
1097 | s5k5baf_write_seq(state, REG_G_ENABLE_PREV, enable, 1); | |
1098 | } | |
1099 | ||
1100 | static int s5k5baf_s_stream(struct v4l2_subdev *sd, int on) | |
1101 | { | |
1102 | struct s5k5baf *state = to_s5k5baf(sd); | |
1103 | int ret; | |
1104 | ||
1105 | mutex_lock(&state->lock); | |
1106 | ||
1107 | if (state->streaming == !!on) { | |
1108 | ret = 0; | |
1109 | goto out; | |
1110 | } | |
1111 | ||
1112 | if (on) { | |
1113 | s5k5baf_hw_set_config(state); | |
1114 | ret = s5k5baf_hw_set_crop_rects(state); | |
1115 | if (ret < 0) | |
1116 | goto out; | |
1117 | s5k5baf_hw_set_stream(state, 1); | |
1118 | s5k5baf_i2c_write(state, 0xb0cc, 0x000b); | |
1119 | } else { | |
1120 | s5k5baf_hw_set_stream(state, 0); | |
1121 | } | |
1122 | ret = s5k5baf_clear_error(state); | |
1123 | if (!ret) | |
1124 | state->streaming = !state->streaming; | |
1125 | ||
1126 | out: | |
1127 | mutex_unlock(&state->lock); | |
1128 | ||
1129 | return ret; | |
1130 | } | |
1131 | ||
1132 | static int s5k5baf_g_frame_interval(struct v4l2_subdev *sd, | |
1133 | struct v4l2_subdev_frame_interval *fi) | |
1134 | { | |
1135 | struct s5k5baf *state = to_s5k5baf(sd); | |
1136 | ||
1137 | mutex_lock(&state->lock); | |
1138 | fi->interval.numerator = state->fiv; | |
1139 | fi->interval.denominator = 10000; | |
1140 | mutex_unlock(&state->lock); | |
1141 | ||
1142 | return 0; | |
1143 | } | |
1144 | ||
1145 | static void s5k5baf_set_frame_interval(struct s5k5baf *state, | |
1146 | struct v4l2_subdev_frame_interval *fi) | |
1147 | { | |
1148 | struct v4l2_fract *i = &fi->interval; | |
1149 | ||
1150 | if (fi->interval.denominator == 0) | |
1151 | state->req_fiv = S5K5BAF_MAX_FR_TIME; | |
1152 | else | |
1153 | state->req_fiv = clamp_t(u32, | |
1154 | i->numerator * 10000 / i->denominator, | |
1155 | S5K5BAF_MIN_FR_TIME, | |
1156 | S5K5BAF_MAX_FR_TIME); | |
1157 | ||
1158 | state->fiv = state->req_fiv; | |
1159 | if (state->apply_cfg) { | |
1160 | s5k5baf_hw_set_fiv(state, state->req_fiv); | |
1161 | s5k5baf_hw_validate_cfg(state); | |
1162 | } | |
1163 | *i = (struct v4l2_fract){ state->fiv, 10000 }; | |
1164 | if (state->fiv == state->req_fiv) | |
1165 | v4l2_info(&state->sd, "frame interval changed to %d00us\n", | |
1166 | state->fiv); | |
1167 | } | |
1168 | ||
1169 | static int s5k5baf_s_frame_interval(struct v4l2_subdev *sd, | |
1170 | struct v4l2_subdev_frame_interval *fi) | |
1171 | { | |
1172 | struct s5k5baf *state = to_s5k5baf(sd); | |
1173 | ||
1174 | mutex_lock(&state->lock); | |
1175 | s5k5baf_set_frame_interval(state, fi); | |
1176 | mutex_unlock(&state->lock); | |
1177 | return 0; | |
1178 | } | |
1179 | ||
1180 | /* | |
1181 | * V4L2 subdev pad level and video operations | |
1182 | */ | |
1183 | static int s5k5baf_enum_frame_interval(struct v4l2_subdev *sd, | |
1184 | struct v4l2_subdev_fh *fh, | |
1185 | struct v4l2_subdev_frame_interval_enum *fie) | |
1186 | { | |
1187 | if (fie->index > S5K5BAF_MAX_FR_TIME - S5K5BAF_MIN_FR_TIME || | |
1188 | fie->pad != PAD_CIS) | |
1189 | return -EINVAL; | |
1190 | ||
1191 | v4l_bound_align_image(&fie->width, S5K5BAF_WIN_WIDTH_MIN, | |
1192 | S5K5BAF_CIS_WIDTH, 1, | |
1193 | &fie->height, S5K5BAF_WIN_HEIGHT_MIN, | |
1194 | S5K5BAF_CIS_HEIGHT, 1, 0); | |
1195 | ||
1196 | fie->interval.numerator = S5K5BAF_MIN_FR_TIME + fie->index; | |
1197 | fie->interval.denominator = 10000; | |
1198 | ||
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | static int s5k5baf_enum_mbus_code(struct v4l2_subdev *sd, | |
1203 | struct v4l2_subdev_fh *fh, | |
1204 | struct v4l2_subdev_mbus_code_enum *code) | |
1205 | { | |
1206 | if (code->pad == PAD_CIS) { | |
1207 | if (code->index > 0) | |
1208 | return -EINVAL; | |
1209 | code->code = V4L2_MBUS_FMT_FIXED; | |
1210 | return 0; | |
1211 | } | |
1212 | ||
1213 | if (code->index >= ARRAY_SIZE(s5k5baf_formats)) | |
1214 | return -EINVAL; | |
1215 | ||
1216 | code->code = s5k5baf_formats[code->index].code; | |
1217 | return 0; | |
1218 | } | |
1219 | ||
1220 | static int s5k5baf_enum_frame_size(struct v4l2_subdev *sd, | |
1221 | struct v4l2_subdev_fh *fh, | |
1222 | struct v4l2_subdev_frame_size_enum *fse) | |
1223 | { | |
1224 | int i; | |
1225 | ||
1226 | if (fse->index > 0) | |
1227 | return -EINVAL; | |
1228 | ||
1229 | if (fse->pad == PAD_CIS) { | |
1230 | fse->code = V4L2_MBUS_FMT_FIXED; | |
1231 | fse->min_width = S5K5BAF_CIS_WIDTH; | |
1232 | fse->max_width = S5K5BAF_CIS_WIDTH; | |
1233 | fse->min_height = S5K5BAF_CIS_HEIGHT; | |
1234 | fse->max_height = S5K5BAF_CIS_HEIGHT; | |
1235 | return 0; | |
1236 | } | |
1237 | ||
1238 | i = ARRAY_SIZE(s5k5baf_formats); | |
1239 | while (--i) | |
1240 | if (fse->code == s5k5baf_formats[i].code) | |
1241 | break; | |
1242 | fse->code = s5k5baf_formats[i].code; | |
1243 | fse->min_width = S5K5BAF_WIN_WIDTH_MIN; | |
1244 | fse->max_width = S5K5BAF_CIS_WIDTH; | |
1245 | fse->max_height = S5K5BAF_WIN_HEIGHT_MIN; | |
1246 | fse->min_height = S5K5BAF_CIS_HEIGHT; | |
1247 | ||
1248 | return 0; | |
1249 | } | |
1250 | ||
1251 | static void s5k5baf_try_cis_format(struct v4l2_mbus_framefmt *mf) | |
1252 | { | |
1253 | mf->width = S5K5BAF_CIS_WIDTH; | |
1254 | mf->height = S5K5BAF_CIS_HEIGHT; | |
1255 | mf->code = V4L2_MBUS_FMT_FIXED; | |
1256 | mf->colorspace = V4L2_COLORSPACE_JPEG; | |
1257 | mf->field = V4L2_FIELD_NONE; | |
1258 | } | |
1259 | ||
1260 | static int s5k5baf_try_isp_format(struct v4l2_mbus_framefmt *mf) | |
1261 | { | |
1262 | int pixfmt; | |
1263 | ||
1264 | v4l_bound_align_image(&mf->width, S5K5BAF_WIN_WIDTH_MIN, | |
1265 | S5K5BAF_CIS_WIDTH, 1, | |
1266 | &mf->height, S5K5BAF_WIN_HEIGHT_MIN, | |
1267 | S5K5BAF_CIS_HEIGHT, 1, 0); | |
1268 | ||
1269 | pixfmt = s5k5baf_find_pixfmt(mf); | |
1270 | ||
1271 | mf->colorspace = s5k5baf_formats[pixfmt].colorspace; | |
1272 | mf->code = s5k5baf_formats[pixfmt].code; | |
1273 | mf->field = V4L2_FIELD_NONE; | |
1274 | ||
1275 | return pixfmt; | |
1276 | } | |
1277 | ||
1278 | static int s5k5baf_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, | |
1279 | struct v4l2_subdev_format *fmt) | |
1280 | { | |
1281 | struct s5k5baf *state = to_s5k5baf(sd); | |
1282 | const struct s5k5baf_pixfmt *pixfmt; | |
1283 | struct v4l2_mbus_framefmt *mf; | |
1284 | ||
1285 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1286 | mf = v4l2_subdev_get_try_format(fh, fmt->pad); | |
1287 | fmt->format = *mf; | |
1288 | return 0; | |
1289 | } | |
1290 | ||
1291 | mf = &fmt->format; | |
1292 | if (fmt->pad == PAD_CIS) { | |
1293 | s5k5baf_try_cis_format(mf); | |
1294 | return 0; | |
1295 | } | |
1296 | mf->field = V4L2_FIELD_NONE; | |
1297 | mutex_lock(&state->lock); | |
1298 | pixfmt = &s5k5baf_formats[state->pixfmt]; | |
1299 | mf->width = state->crop_source.width; | |
1300 | mf->height = state->crop_source.height; | |
1301 | mf->code = pixfmt->code; | |
1302 | mf->colorspace = pixfmt->colorspace; | |
1303 | mutex_unlock(&state->lock); | |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
1308 | static int s5k5baf_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, | |
1309 | struct v4l2_subdev_format *fmt) | |
1310 | { | |
1311 | struct v4l2_mbus_framefmt *mf = &fmt->format; | |
1312 | struct s5k5baf *state = to_s5k5baf(sd); | |
1313 | const struct s5k5baf_pixfmt *pixfmt; | |
1314 | int ret = 0; | |
1315 | ||
2f7844ec LP |
1316 | mf->field = V4L2_FIELD_NONE; |
1317 | ||
7d459937 AH |
1318 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
1319 | *v4l2_subdev_get_try_format(fh, fmt->pad) = *mf; | |
1320 | return 0; | |
1321 | } | |
1322 | ||
1323 | if (fmt->pad == PAD_CIS) { | |
1324 | s5k5baf_try_cis_format(mf); | |
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | mutex_lock(&state->lock); | |
1329 | ||
1330 | if (state->streaming) { | |
1331 | mutex_unlock(&state->lock); | |
1332 | return -EBUSY; | |
1333 | } | |
1334 | ||
1335 | state->pixfmt = s5k5baf_try_isp_format(mf); | |
1336 | pixfmt = &s5k5baf_formats[state->pixfmt]; | |
1337 | mf->code = pixfmt->code; | |
1338 | mf->colorspace = pixfmt->colorspace; | |
1339 | mf->width = state->crop_source.width; | |
1340 | mf->height = state->crop_source.height; | |
1341 | ||
1342 | mutex_unlock(&state->lock); | |
1343 | return ret; | |
1344 | } | |
1345 | ||
1346 | enum selection_rect { R_CIS, R_CROP_SINK, R_COMPOSE, R_CROP_SOURCE, R_INVALID }; | |
1347 | ||
1348 | static enum selection_rect s5k5baf_get_sel_rect(u32 pad, u32 target) | |
1349 | { | |
1350 | switch (target) { | |
1351 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
1352 | return pad ? R_COMPOSE : R_CIS; | |
1353 | case V4L2_SEL_TGT_CROP: | |
1354 | return pad ? R_CROP_SOURCE : R_CROP_SINK; | |
1355 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
1356 | return pad ? R_INVALID : R_CROP_SINK; | |
1357 | case V4L2_SEL_TGT_COMPOSE: | |
1358 | return pad ? R_INVALID : R_COMPOSE; | |
1359 | default: | |
1360 | return R_INVALID; | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | static int s5k5baf_is_bound_target(u32 target) | |
1365 | { | |
7296e158 SK |
1366 | return target == V4L2_SEL_TGT_CROP_BOUNDS || |
1367 | target == V4L2_SEL_TGT_COMPOSE_BOUNDS; | |
7d459937 AH |
1368 | } |
1369 | ||
1370 | static int s5k5baf_get_selection(struct v4l2_subdev *sd, | |
1371 | struct v4l2_subdev_fh *fh, | |
1372 | struct v4l2_subdev_selection *sel) | |
1373 | { | |
1374 | static enum selection_rect rtype; | |
1375 | struct s5k5baf *state = to_s5k5baf(sd); | |
1376 | ||
1377 | rtype = s5k5baf_get_sel_rect(sel->pad, sel->target); | |
1378 | ||
1379 | switch (rtype) { | |
1380 | case R_INVALID: | |
1381 | return -EINVAL; | |
1382 | case R_CIS: | |
1383 | sel->r = s5k5baf_cis_rect; | |
1384 | return 0; | |
1385 | default: | |
1386 | break; | |
1387 | } | |
1388 | ||
1389 | if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1390 | if (rtype == R_COMPOSE) | |
1391 | sel->r = *v4l2_subdev_get_try_compose(fh, sel->pad); | |
1392 | else | |
1393 | sel->r = *v4l2_subdev_get_try_crop(fh, sel->pad); | |
1394 | return 0; | |
1395 | } | |
1396 | ||
1397 | mutex_lock(&state->lock); | |
1398 | switch (rtype) { | |
1399 | case R_CROP_SINK: | |
1400 | sel->r = state->crop_sink; | |
1401 | break; | |
1402 | case R_COMPOSE: | |
1403 | sel->r = state->compose; | |
1404 | break; | |
1405 | case R_CROP_SOURCE: | |
1406 | sel->r = state->crop_source; | |
1407 | break; | |
1408 | default: | |
1409 | break; | |
1410 | } | |
1411 | if (s5k5baf_is_bound_target(sel->target)) { | |
1412 | sel->r.left = 0; | |
1413 | sel->r.top = 0; | |
1414 | } | |
1415 | mutex_unlock(&state->lock); | |
1416 | ||
1417 | return 0; | |
1418 | } | |
1419 | ||
1420 | /* bounds range [start, start+len) to [0, max) and aligns to 2 */ | |
1421 | static void s5k5baf_bound_range(u32 *start, u32 *len, u32 max) | |
1422 | { | |
1423 | if (*len > max) | |
1424 | *len = max; | |
1425 | if (*start + *len > max) | |
1426 | *start = max - *len; | |
1427 | *start &= ~1; | |
1428 | *len &= ~1; | |
1429 | if (*len < S5K5BAF_WIN_WIDTH_MIN) | |
1430 | *len = S5K5BAF_WIN_WIDTH_MIN; | |
1431 | } | |
1432 | ||
1433 | static void s5k5baf_bound_rect(struct v4l2_rect *r, u32 width, u32 height) | |
1434 | { | |
1435 | s5k5baf_bound_range(&r->left, &r->width, width); | |
1436 | s5k5baf_bound_range(&r->top, &r->height, height); | |
1437 | } | |
1438 | ||
1439 | static void s5k5baf_set_rect_and_adjust(struct v4l2_rect **rects, | |
1440 | enum selection_rect first, | |
1441 | struct v4l2_rect *v) | |
1442 | { | |
1443 | struct v4l2_rect *r, *br; | |
1444 | enum selection_rect i = first; | |
1445 | ||
1446 | *rects[first] = *v; | |
1447 | do { | |
1448 | r = rects[i]; | |
1449 | br = rects[i - 1]; | |
1450 | s5k5baf_bound_rect(r, br->width, br->height); | |
1451 | } while (++i != R_INVALID); | |
1452 | *v = *rects[first]; | |
1453 | } | |
1454 | ||
1455 | static bool s5k5baf_cmp_rect(const struct v4l2_rect *r1, | |
1456 | const struct v4l2_rect *r2) | |
1457 | { | |
1458 | return !memcmp(r1, r2, sizeof(*r1)); | |
1459 | } | |
1460 | ||
1461 | static int s5k5baf_set_selection(struct v4l2_subdev *sd, | |
1462 | struct v4l2_subdev_fh *fh, | |
1463 | struct v4l2_subdev_selection *sel) | |
1464 | { | |
1465 | static enum selection_rect rtype; | |
1466 | struct s5k5baf *state = to_s5k5baf(sd); | |
1467 | struct v4l2_rect **rects; | |
1468 | int ret = 0; | |
1469 | ||
1470 | rtype = s5k5baf_get_sel_rect(sel->pad, sel->target); | |
1471 | if (rtype == R_INVALID || s5k5baf_is_bound_target(sel->target)) | |
1472 | return -EINVAL; | |
1473 | ||
1474 | /* allow only scaling on compose */ | |
1475 | if (rtype == R_COMPOSE) { | |
1476 | sel->r.left = 0; | |
1477 | sel->r.top = 0; | |
1478 | } | |
1479 | ||
1480 | if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1481 | rects = (struct v4l2_rect * []) { | |
1482 | &s5k5baf_cis_rect, | |
1483 | v4l2_subdev_get_try_crop(fh, PAD_CIS), | |
1484 | v4l2_subdev_get_try_compose(fh, PAD_CIS), | |
1485 | v4l2_subdev_get_try_crop(fh, PAD_OUT) | |
1486 | }; | |
1487 | s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r); | |
1488 | return 0; | |
1489 | } | |
1490 | ||
1491 | rects = (struct v4l2_rect * []) { | |
1492 | &s5k5baf_cis_rect, | |
1493 | &state->crop_sink, | |
1494 | &state->compose, | |
1495 | &state->crop_source | |
1496 | }; | |
1497 | mutex_lock(&state->lock); | |
1498 | if (state->streaming) { | |
1499 | /* adjust sel->r to avoid output resolution change */ | |
1500 | if (rtype < R_CROP_SOURCE) { | |
1501 | if (sel->r.width < state->crop_source.width) | |
1502 | sel->r.width = state->crop_source.width; | |
1503 | if (sel->r.height < state->crop_source.height) | |
1504 | sel->r.height = state->crop_source.height; | |
1505 | } else { | |
1506 | sel->r.width = state->crop_source.width; | |
1507 | sel->r.height = state->crop_source.height; | |
1508 | } | |
1509 | } | |
1510 | s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r); | |
1511 | if (!s5k5baf_cmp_rect(&state->crop_sink, &s5k5baf_cis_rect) || | |
1512 | !s5k5baf_cmp_rect(&state->compose, &s5k5baf_cis_rect)) | |
1513 | state->apply_crop = 1; | |
1514 | if (state->streaming) | |
1515 | ret = s5k5baf_hw_set_crop_rects(state); | |
1516 | mutex_unlock(&state->lock); | |
1517 | ||
1518 | return ret; | |
1519 | } | |
1520 | ||
1521 | static const struct v4l2_subdev_pad_ops s5k5baf_cis_pad_ops = { | |
1522 | .enum_mbus_code = s5k5baf_enum_mbus_code, | |
1523 | .enum_frame_size = s5k5baf_enum_frame_size, | |
1524 | .get_fmt = s5k5baf_get_fmt, | |
1525 | .set_fmt = s5k5baf_set_fmt, | |
1526 | }; | |
1527 | ||
1528 | static const struct v4l2_subdev_pad_ops s5k5baf_pad_ops = { | |
1529 | .enum_mbus_code = s5k5baf_enum_mbus_code, | |
1530 | .enum_frame_size = s5k5baf_enum_frame_size, | |
1531 | .enum_frame_interval = s5k5baf_enum_frame_interval, | |
1532 | .get_fmt = s5k5baf_get_fmt, | |
1533 | .set_fmt = s5k5baf_set_fmt, | |
1534 | .get_selection = s5k5baf_get_selection, | |
1535 | .set_selection = s5k5baf_set_selection, | |
1536 | }; | |
1537 | ||
1538 | static const struct v4l2_subdev_video_ops s5k5baf_video_ops = { | |
1539 | .g_frame_interval = s5k5baf_g_frame_interval, | |
1540 | .s_frame_interval = s5k5baf_s_frame_interval, | |
1541 | .s_stream = s5k5baf_s_stream, | |
1542 | }; | |
1543 | ||
1544 | /* | |
1545 | * V4L2 subdev controls | |
1546 | */ | |
1547 | ||
1548 | static int s5k5baf_s_ctrl(struct v4l2_ctrl *ctrl) | |
1549 | { | |
1550 | struct v4l2_subdev *sd = ctrl_to_sd(ctrl); | |
1551 | struct s5k5baf *state = to_s5k5baf(sd); | |
1552 | int ret; | |
1553 | ||
1554 | v4l2_dbg(1, debug, sd, "ctrl: %s, value: %d\n", ctrl->name, ctrl->val); | |
1555 | ||
1556 | mutex_lock(&state->lock); | |
1557 | ||
1558 | if (state->power == 0) | |
1559 | goto unlock; | |
1560 | ||
1561 | switch (ctrl->id) { | |
1562 | case V4L2_CID_AUTO_WHITE_BALANCE: | |
1563 | s5k5baf_hw_set_awb(state, ctrl->val); | |
1564 | break; | |
1565 | ||
1566 | case V4L2_CID_BRIGHTNESS: | |
1567 | s5k5baf_write(state, REG_USER_BRIGHTNESS, ctrl->val); | |
1568 | break; | |
1569 | ||
1570 | case V4L2_CID_COLORFX: | |
1571 | s5k5baf_hw_set_colorfx(state, ctrl->val); | |
1572 | break; | |
1573 | ||
1574 | case V4L2_CID_CONTRAST: | |
1575 | s5k5baf_write(state, REG_USER_CONTRAST, ctrl->val); | |
1576 | break; | |
1577 | ||
1578 | case V4L2_CID_EXPOSURE_AUTO: | |
1579 | s5k5baf_hw_set_auto_exposure(state, ctrl->val); | |
1580 | break; | |
1581 | ||
1582 | case V4L2_CID_HFLIP: | |
1583 | s5k5baf_hw_set_mirror(state); | |
1584 | break; | |
1585 | ||
1586 | case V4L2_CID_POWER_LINE_FREQUENCY: | |
1587 | s5k5baf_hw_set_anti_flicker(state, ctrl->val); | |
1588 | break; | |
1589 | ||
1590 | case V4L2_CID_SATURATION: | |
1591 | s5k5baf_write(state, REG_USER_SATURATION, ctrl->val); | |
1592 | break; | |
1593 | ||
1594 | case V4L2_CID_SHARPNESS: | |
1595 | s5k5baf_write(state, REG_USER_SHARPBLUR, ctrl->val); | |
1596 | break; | |
1597 | ||
1598 | case V4L2_CID_WHITE_BALANCE_TEMPERATURE: | |
1599 | s5k5baf_write(state, REG_P_COLORTEMP(0), ctrl->val); | |
1600 | if (state->apply_cfg) | |
1601 | s5k5baf_hw_sync_cfg(state); | |
1602 | break; | |
1603 | ||
1604 | case V4L2_CID_TEST_PATTERN: | |
1605 | s5k5baf_hw_set_test_pattern(state, ctrl->val); | |
1606 | break; | |
1607 | } | |
1608 | unlock: | |
1609 | ret = s5k5baf_clear_error(state); | |
1610 | mutex_unlock(&state->lock); | |
1611 | return ret; | |
1612 | } | |
1613 | ||
1614 | static const struct v4l2_ctrl_ops s5k5baf_ctrl_ops = { | |
1615 | .s_ctrl = s5k5baf_s_ctrl, | |
1616 | }; | |
1617 | ||
1618 | static const char * const s5k5baf_test_pattern_menu[] = { | |
1619 | "Disabled", | |
1620 | "Blank", | |
1621 | "Bars", | |
1622 | "Gradients", | |
1623 | "Textile", | |
1624 | "Textile2", | |
1625 | "Squares" | |
1626 | }; | |
1627 | ||
1628 | static int s5k5baf_initialize_ctrls(struct s5k5baf *state) | |
1629 | { | |
1630 | const struct v4l2_ctrl_ops *ops = &s5k5baf_ctrl_ops; | |
1631 | struct s5k5baf_ctrls *ctrls = &state->ctrls; | |
1632 | struct v4l2_ctrl_handler *hdl = &ctrls->handler; | |
1633 | int ret; | |
1634 | ||
1635 | ret = v4l2_ctrl_handler_init(hdl, 16); | |
1636 | if (ret < 0) { | |
1637 | v4l2_err(&state->sd, "cannot init ctrl handler (%d)\n", ret); | |
1638 | return ret; | |
1639 | } | |
1640 | ||
1641 | /* Auto white balance cluster */ | |
1642 | ctrls->awb = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTO_WHITE_BALANCE, | |
1643 | 0, 1, 1, 1); | |
1644 | ctrls->gain_red = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, | |
1645 | 0, 255, 1, S5K5BAF_GAIN_RED_DEF); | |
1646 | ctrls->gain_blue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, | |
1647 | 0, 255, 1, S5K5BAF_GAIN_BLUE_DEF); | |
1648 | v4l2_ctrl_auto_cluster(3, &ctrls->awb, 0, false); | |
1649 | ||
1650 | ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 0, 1, 1, 0); | |
1651 | ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 0, 1, 1, 0); | |
1652 | v4l2_ctrl_cluster(2, &ctrls->hflip); | |
1653 | ||
1654 | ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, | |
1655 | V4L2_CID_EXPOSURE_AUTO, | |
1656 | V4L2_EXPOSURE_MANUAL, 0, V4L2_EXPOSURE_AUTO); | |
1657 | /* Exposure time: x 1 us */ | |
1658 | ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, | |
1659 | 0, 6000000U, 1, 100000U); | |
1660 | /* Total gain: 256 <=> 1x */ | |
1661 | ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, | |
1662 | 0, 256, 1, 256); | |
1663 | v4l2_ctrl_auto_cluster(3, &ctrls->auto_exp, 0, false); | |
1664 | ||
1665 | v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_POWER_LINE_FREQUENCY, | |
1666 | V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, | |
1667 | V4L2_CID_POWER_LINE_FREQUENCY_AUTO); | |
1668 | ||
1669 | v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_COLORFX, | |
1670 | V4L2_COLORFX_SKY_BLUE, ~0x6f, V4L2_COLORFX_NONE); | |
1671 | ||
1672 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_WHITE_BALANCE_TEMPERATURE, | |
1673 | 0, 256, 1, 0); | |
1674 | ||
1675 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, -127, 127, 1, 0); | |
1676 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BRIGHTNESS, -127, 127, 1, 0); | |
1677 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -127, 127, 1, 0); | |
1678 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SHARPNESS, -127, 127, 1, 0); | |
1679 | ||
1680 | v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, | |
1681 | ARRAY_SIZE(s5k5baf_test_pattern_menu) - 1, | |
1682 | 0, 0, s5k5baf_test_pattern_menu); | |
1683 | ||
1684 | if (hdl->error) { | |
1685 | v4l2_err(&state->sd, "error creating controls (%d)\n", | |
1686 | hdl->error); | |
1687 | ret = hdl->error; | |
1688 | v4l2_ctrl_handler_free(hdl); | |
1689 | return ret; | |
1690 | } | |
1691 | ||
1692 | state->sd.ctrl_handler = hdl; | |
1693 | return 0; | |
1694 | } | |
1695 | ||
1696 | /* | |
1697 | * V4L2 subdev internal operations | |
1698 | */ | |
1699 | static int s5k5baf_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) | |
1700 | { | |
1701 | struct v4l2_mbus_framefmt *mf; | |
1702 | ||
1703 | mf = v4l2_subdev_get_try_format(fh, PAD_CIS); | |
1704 | s5k5baf_try_cis_format(mf); | |
1705 | ||
1706 | if (s5k5baf_is_cis_subdev(sd)) | |
1707 | return 0; | |
1708 | ||
1709 | mf = v4l2_subdev_get_try_format(fh, PAD_OUT); | |
1710 | mf->colorspace = s5k5baf_formats[0].colorspace; | |
1711 | mf->code = s5k5baf_formats[0].code; | |
1712 | mf->width = s5k5baf_cis_rect.width; | |
1713 | mf->height = s5k5baf_cis_rect.height; | |
1714 | mf->field = V4L2_FIELD_NONE; | |
1715 | ||
1716 | *v4l2_subdev_get_try_crop(fh, PAD_CIS) = s5k5baf_cis_rect; | |
1717 | *v4l2_subdev_get_try_compose(fh, PAD_CIS) = s5k5baf_cis_rect; | |
1718 | *v4l2_subdev_get_try_crop(fh, PAD_OUT) = s5k5baf_cis_rect; | |
1719 | ||
1720 | return 0; | |
1721 | } | |
1722 | ||
1723 | static int s5k5baf_check_fw_revision(struct s5k5baf *state) | |
1724 | { | |
1725 | u16 api_ver = 0, fw_rev = 0, s_id = 0; | |
1726 | int ret; | |
1727 | ||
1728 | api_ver = s5k5baf_read(state, REG_FW_APIVER); | |
1729 | fw_rev = s5k5baf_read(state, REG_FW_REVISION) & 0xff; | |
1730 | s_id = s5k5baf_read(state, REG_FW_SENSOR_ID); | |
1731 | ret = s5k5baf_clear_error(state); | |
1732 | if (ret < 0) | |
1733 | return ret; | |
1734 | ||
1735 | v4l2_info(&state->sd, "FW API=%#x, revision=%#x sensor_id=%#x\n", | |
1736 | api_ver, fw_rev, s_id); | |
1737 | ||
1738 | if (api_ver != S5K5BAF_FW_APIVER) { | |
1739 | v4l2_err(&state->sd, "FW API version not supported\n"); | |
1740 | return -ENODEV; | |
1741 | } | |
1742 | ||
1743 | return 0; | |
1744 | } | |
1745 | ||
1746 | static int s5k5baf_registered(struct v4l2_subdev *sd) | |
1747 | { | |
1748 | struct s5k5baf *state = to_s5k5baf(sd); | |
1749 | int ret; | |
1750 | ||
1751 | ret = v4l2_device_register_subdev(sd->v4l2_dev, &state->cis_sd); | |
1752 | if (ret < 0) | |
1753 | v4l2_err(sd, "failed to register subdev %s\n", | |
1754 | state->cis_sd.name); | |
1755 | else | |
1756 | ret = media_entity_create_link(&state->cis_sd.entity, PAD_CIS, | |
1757 | &state->sd.entity, PAD_CIS, | |
1758 | MEDIA_LNK_FL_IMMUTABLE | | |
1759 | MEDIA_LNK_FL_ENABLED); | |
1760 | return ret; | |
1761 | } | |
1762 | ||
1763 | static void s5k5baf_unregistered(struct v4l2_subdev *sd) | |
1764 | { | |
1765 | struct s5k5baf *state = to_s5k5baf(sd); | |
1766 | v4l2_device_unregister_subdev(&state->cis_sd); | |
1767 | } | |
1768 | ||
1769 | static const struct v4l2_subdev_ops s5k5baf_cis_subdev_ops = { | |
1770 | .pad = &s5k5baf_cis_pad_ops, | |
1771 | }; | |
1772 | ||
1773 | static const struct v4l2_subdev_internal_ops s5k5baf_cis_subdev_internal_ops = { | |
1774 | .open = s5k5baf_open, | |
1775 | }; | |
1776 | ||
1777 | static const struct v4l2_subdev_internal_ops s5k5baf_subdev_internal_ops = { | |
1778 | .registered = s5k5baf_registered, | |
1779 | .unregistered = s5k5baf_unregistered, | |
1780 | .open = s5k5baf_open, | |
1781 | }; | |
1782 | ||
1783 | static const struct v4l2_subdev_core_ops s5k5baf_core_ops = { | |
1784 | .s_power = s5k5baf_set_power, | |
1785 | .log_status = v4l2_ctrl_subdev_log_status, | |
1786 | }; | |
1787 | ||
1788 | static const struct v4l2_subdev_ops s5k5baf_subdev_ops = { | |
1789 | .core = &s5k5baf_core_ops, | |
1790 | .pad = &s5k5baf_pad_ops, | |
1791 | .video = &s5k5baf_video_ops, | |
1792 | }; | |
1793 | ||
1794 | static int s5k5baf_configure_gpios(struct s5k5baf *state) | |
1795 | { | |
1796 | static const char const *name[] = { "S5K5BAF_STBY", "S5K5BAF_RST" }; | |
1797 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
1798 | struct s5k5baf_gpio *g = state->gpios; | |
1799 | int ret, i; | |
1800 | ||
1801 | for (i = 0; i < NUM_GPIOS; ++i) { | |
1802 | int flags = GPIOF_DIR_OUT; | |
1803 | if (g[i].level) | |
1804 | flags |= GPIOF_INIT_HIGH; | |
1805 | ret = devm_gpio_request_one(&c->dev, g[i].gpio, flags, name[i]); | |
1806 | if (ret < 0) { | |
1807 | v4l2_err(c, "failed to request gpio %s\n", name[i]); | |
1808 | return ret; | |
1809 | } | |
1810 | } | |
1811 | return 0; | |
1812 | } | |
1813 | ||
1814 | static int s5k5baf_parse_gpios(struct s5k5baf_gpio *gpios, struct device *dev) | |
1815 | { | |
1816 | static const char * const names[] = { | |
1817 | "stbyn-gpios", | |
1818 | "rstn-gpios", | |
1819 | }; | |
1820 | struct device_node *node = dev->of_node; | |
1821 | enum of_gpio_flags flags; | |
1822 | int ret, i; | |
1823 | ||
1824 | for (i = 0; i < NUM_GPIOS; ++i) { | |
1825 | ret = of_get_named_gpio_flags(node, names[i], 0, &flags); | |
1826 | if (ret < 0) { | |
1827 | dev_err(dev, "no %s GPIO pin provided\n", names[i]); | |
1828 | return ret; | |
1829 | } | |
1830 | gpios[i].gpio = ret; | |
1831 | gpios[i].level = !(flags & OF_GPIO_ACTIVE_LOW); | |
1832 | } | |
1833 | ||
1834 | return 0; | |
1835 | } | |
1836 | ||
1837 | static int s5k5baf_parse_device_node(struct s5k5baf *state, struct device *dev) | |
1838 | { | |
1839 | struct device_node *node = dev->of_node; | |
1840 | struct device_node *node_ep; | |
1841 | struct v4l2_of_endpoint ep; | |
1842 | int ret; | |
1843 | ||
1844 | if (!node) { | |
1845 | dev_err(dev, "no device-tree node provided\n"); | |
1846 | return -EINVAL; | |
1847 | } | |
1848 | ||
1849 | ret = of_property_read_u32(node, "clock-frequency", | |
1850 | &state->mclk_frequency); | |
1851 | if (ret < 0) { | |
1852 | state->mclk_frequency = S5K5BAF_DEFAULT_MCLK_FREQ; | |
1853 | dev_info(dev, "using default %u Hz clock frequency\n", | |
1854 | state->mclk_frequency); | |
1855 | } | |
1856 | ||
1857 | ret = s5k5baf_parse_gpios(state->gpios, dev); | |
1858 | if (ret < 0) | |
1859 | return ret; | |
1860 | ||
fd9fdb78 | 1861 | node_ep = of_graph_get_next_endpoint(node, NULL); |
7d459937 AH |
1862 | if (!node_ep) { |
1863 | dev_err(dev, "no endpoint defined at node %s\n", | |
1864 | node->full_name); | |
1865 | return -EINVAL; | |
1866 | } | |
1867 | ||
1868 | v4l2_of_parse_endpoint(node_ep, &ep); | |
1869 | of_node_put(node_ep); | |
1870 | state->bus_type = ep.bus_type; | |
1871 | ||
1872 | switch (state->bus_type) { | |
1873 | case V4L2_MBUS_CSI2: | |
1874 | state->nlanes = ep.bus.mipi_csi2.num_data_lanes; | |
1875 | break; | |
1876 | case V4L2_MBUS_PARALLEL: | |
1877 | break; | |
1878 | default: | |
1879 | dev_err(dev, "unsupported bus in endpoint defined at node %s\n", | |
1880 | node->full_name); | |
1881 | return -EINVAL; | |
1882 | } | |
1883 | ||
1884 | return 0; | |
1885 | } | |
1886 | ||
1887 | static int s5k5baf_configure_subdevs(struct s5k5baf *state, | |
1888 | struct i2c_client *c) | |
1889 | { | |
1890 | struct v4l2_subdev *sd; | |
1891 | int ret; | |
1892 | ||
1893 | sd = &state->cis_sd; | |
1894 | v4l2_subdev_init(sd, &s5k5baf_cis_subdev_ops); | |
1895 | sd->owner = THIS_MODULE; | |
1896 | v4l2_set_subdevdata(sd, state); | |
1897 | snprintf(sd->name, sizeof(sd->name), "S5K5BAF-CIS %d-%04x", | |
1898 | i2c_adapter_id(c->adapter), c->addr); | |
1899 | ||
1900 | sd->internal_ops = &s5k5baf_cis_subdev_internal_ops; | |
1901 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; | |
1902 | ||
1903 | state->cis_pad.flags = MEDIA_PAD_FL_SOURCE; | |
1904 | sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR; | |
1905 | ret = media_entity_init(&sd->entity, NUM_CIS_PADS, &state->cis_pad, 0); | |
1906 | if (ret < 0) | |
1907 | goto err; | |
1908 | ||
1909 | sd = &state->sd; | |
1910 | v4l2_i2c_subdev_init(sd, c, &s5k5baf_subdev_ops); | |
1911 | snprintf(sd->name, sizeof(sd->name), "S5K5BAF-ISP %d-%04x", | |
1912 | i2c_adapter_id(c->adapter), c->addr); | |
1913 | ||
1914 | sd->internal_ops = &s5k5baf_subdev_internal_ops; | |
1915 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; | |
1916 | ||
1917 | state->pads[PAD_CIS].flags = MEDIA_PAD_FL_SINK; | |
1918 | state->pads[PAD_OUT].flags = MEDIA_PAD_FL_SOURCE; | |
1919 | sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV; | |
1920 | ret = media_entity_init(&sd->entity, NUM_ISP_PADS, state->pads, 0); | |
1921 | ||
1922 | if (!ret) | |
1923 | return 0; | |
1924 | ||
1925 | media_entity_cleanup(&state->cis_sd.entity); | |
1926 | err: | |
1927 | dev_err(&c->dev, "cannot init media entity %s\n", sd->name); | |
1928 | return ret; | |
1929 | } | |
1930 | ||
1931 | static int s5k5baf_configure_regulators(struct s5k5baf *state) | |
1932 | { | |
1933 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
1934 | int ret; | |
1935 | int i; | |
1936 | ||
1937 | for (i = 0; i < S5K5BAF_NUM_SUPPLIES; i++) | |
1938 | state->supplies[i].supply = s5k5baf_supply_names[i]; | |
1939 | ||
1940 | ret = devm_regulator_bulk_get(&c->dev, S5K5BAF_NUM_SUPPLIES, | |
1941 | state->supplies); | |
1942 | if (ret < 0) | |
1943 | v4l2_err(c, "failed to get regulators\n"); | |
1944 | return ret; | |
1945 | } | |
1946 | ||
1947 | static int s5k5baf_probe(struct i2c_client *c, | |
1948 | const struct i2c_device_id *id) | |
1949 | { | |
1950 | struct s5k5baf *state; | |
1951 | int ret; | |
1952 | ||
1953 | state = devm_kzalloc(&c->dev, sizeof(*state), GFP_KERNEL); | |
1954 | if (!state) | |
1955 | return -ENOMEM; | |
1956 | ||
1957 | mutex_init(&state->lock); | |
1958 | state->crop_sink = s5k5baf_cis_rect; | |
1959 | state->compose = s5k5baf_cis_rect; | |
1960 | state->crop_source = s5k5baf_cis_rect; | |
1961 | ||
1962 | ret = s5k5baf_parse_device_node(state, &c->dev); | |
1963 | if (ret < 0) | |
1964 | return ret; | |
1965 | ||
1966 | ret = s5k5baf_configure_subdevs(state, c); | |
1967 | if (ret < 0) | |
1968 | return ret; | |
1969 | ||
1970 | ret = s5k5baf_configure_gpios(state); | |
1971 | if (ret < 0) | |
1972 | goto err_me; | |
1973 | ||
1974 | ret = s5k5baf_configure_regulators(state); | |
1975 | if (ret < 0) | |
1976 | goto err_me; | |
1977 | ||
1978 | state->clock = devm_clk_get(state->sd.dev, S5K5BAF_CLK_NAME); | |
1979 | if (IS_ERR(state->clock)) { | |
1980 | ret = -EPROBE_DEFER; | |
1981 | goto err_me; | |
1982 | } | |
1983 | ||
1984 | ret = s5k5baf_power_on(state); | |
1985 | if (ret < 0) { | |
1986 | ret = -EPROBE_DEFER; | |
1987 | goto err_me; | |
1988 | } | |
1989 | s5k5baf_hw_init(state); | |
1990 | ret = s5k5baf_check_fw_revision(state); | |
1991 | ||
1992 | s5k5baf_power_off(state); | |
1993 | if (ret < 0) | |
1994 | goto err_me; | |
1995 | ||
1996 | ret = s5k5baf_initialize_ctrls(state); | |
1997 | if (ret < 0) | |
1998 | goto err_me; | |
1999 | ||
2000 | ret = v4l2_async_register_subdev(&state->sd); | |
2001 | if (ret < 0) | |
2002 | goto err_ctrl; | |
2003 | ||
2004 | return 0; | |
2005 | ||
2006 | err_ctrl: | |
2007 | v4l2_ctrl_handler_free(state->sd.ctrl_handler); | |
2008 | err_me: | |
2009 | media_entity_cleanup(&state->sd.entity); | |
2010 | media_entity_cleanup(&state->cis_sd.entity); | |
2011 | return ret; | |
2012 | } | |
2013 | ||
2014 | static int s5k5baf_remove(struct i2c_client *c) | |
2015 | { | |
2016 | struct v4l2_subdev *sd = i2c_get_clientdata(c); | |
2017 | struct s5k5baf *state = to_s5k5baf(sd); | |
2018 | ||
2019 | v4l2_async_unregister_subdev(sd); | |
2020 | v4l2_ctrl_handler_free(sd->ctrl_handler); | |
2021 | media_entity_cleanup(&sd->entity); | |
2022 | ||
2023 | sd = &state->cis_sd; | |
2024 | v4l2_device_unregister_subdev(sd); | |
2025 | media_entity_cleanup(&sd->entity); | |
2026 | ||
2027 | return 0; | |
2028 | } | |
2029 | ||
2030 | static const struct i2c_device_id s5k5baf_id[] = { | |
2031 | { S5K5BAF_DRIVER_NAME, 0 }, | |
2032 | { }, | |
2033 | }; | |
2034 | MODULE_DEVICE_TABLE(i2c, s5k5baf_id); | |
2035 | ||
2036 | static const struct of_device_id s5k5baf_of_match[] = { | |
2037 | { .compatible = "samsung,s5k5baf" }, | |
2038 | { } | |
2039 | }; | |
2040 | MODULE_DEVICE_TABLE(of, s5k5baf_of_match); | |
2041 | ||
2042 | static struct i2c_driver s5k5baf_i2c_driver = { | |
2043 | .driver = { | |
2044 | .of_match_table = s5k5baf_of_match, | |
2045 | .name = S5K5BAF_DRIVER_NAME | |
2046 | }, | |
2047 | .probe = s5k5baf_probe, | |
2048 | .remove = s5k5baf_remove, | |
2049 | .id_table = s5k5baf_id, | |
2050 | }; | |
2051 | ||
2052 | module_i2c_driver(s5k5baf_i2c_driver); | |
2053 | ||
2054 | MODULE_DESCRIPTION("Samsung S5K5BAF(X) UXGA camera driver"); | |
2055 | MODULE_AUTHOR("Andrzej Hajda <a.hajda@samsung.com>"); | |
2056 | MODULE_LICENSE("GPL v2"); |