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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 { | |
f5fe58fd | 251 | u32 code; |
7d459937 AH |
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[] = { | |
f5fe58fd | 334 | { MEDIA_BUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_JPEG, 5 }, |
7d459937 | 335 | /* range 16-240 */ |
f5fe58fd BB |
336 | { MEDIA_BUS_FMT_VYUY8_2X8, V4L2_COLORSPACE_REC709, 6 }, |
337 | { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_JPEG, 0 }, | |
7d459937 AH |
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, | |
0348bb1a | 356 | size_t count, const __le16 *data) |
7d459937 AH |
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; | |
0348bb1a | 424 | u16 res; |
7d459937 AH |
425 | struct i2c_msg msg[] = { |
426 | { .addr = c->addr, .flags = 0, | |
427 | .len = 2, .buf = (u8 *)&w }, | |
428 | { .addr = c->addr, .flags = I2C_M_RD, | |
429 | .len = 2, .buf = (u8 *)&r }, | |
430 | }; | |
431 | int ret; | |
432 | ||
433 | if (state->error) | |
434 | return 0; | |
435 | ||
436 | w = cpu_to_be16(addr); | |
437 | ret = i2c_transfer(c->adapter, msg, 2); | |
0348bb1a | 438 | res = be16_to_cpu(r); |
7d459937 | 439 | |
0348bb1a | 440 | v4l2_dbg(3, debug, c, "i2c_read: 0x%04x : 0x%04x\n", addr, res); |
7d459937 AH |
441 | |
442 | if (ret != 2) { | |
443 | v4l2_err(c, "i2c_read: error during transfer (%d)\n", ret); | |
444 | state->error = ret; | |
445 | } | |
0348bb1a | 446 | return res; |
7d459937 AH |
447 | } |
448 | ||
449 | static void s5k5baf_i2c_write(struct s5k5baf *state, u16 addr, u16 val) | |
450 | { | |
451 | u8 buf[4] = { addr >> 8, addr & 0xFF, val >> 8, val & 0xFF }; | |
452 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
453 | int ret; | |
454 | ||
455 | if (state->error) | |
456 | return; | |
457 | ||
458 | ret = i2c_master_send(c, buf, 4); | |
459 | v4l2_dbg(3, debug, c, "i2c_write: 0x%04x : 0x%04x\n", addr, val); | |
460 | ||
461 | if (ret != 4) { | |
462 | v4l2_err(c, "i2c_write: error during transfer (%d)\n", ret); | |
463 | state->error = ret; | |
464 | } | |
465 | } | |
466 | ||
467 | static u16 s5k5baf_read(struct s5k5baf *state, u16 addr) | |
468 | { | |
469 | s5k5baf_i2c_write(state, REG_CMDRD_ADDR, addr); | |
470 | return s5k5baf_i2c_read(state, REG_CMD_BUF); | |
471 | } | |
472 | ||
473 | static void s5k5baf_write(struct s5k5baf *state, u16 addr, u16 val) | |
474 | { | |
475 | s5k5baf_i2c_write(state, REG_CMDWR_ADDR, addr); | |
476 | s5k5baf_i2c_write(state, REG_CMD_BUF, val); | |
477 | } | |
478 | ||
479 | static void s5k5baf_write_arr_seq(struct s5k5baf *state, u16 addr, | |
480 | u16 count, const u16 *seq) | |
481 | { | |
482 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
7e8f15c5 | 483 | __be16 buf[65]; |
7d459937 AH |
484 | |
485 | s5k5baf_i2c_write(state, REG_CMDWR_ADDR, addr); | |
486 | if (state->error) | |
487 | return; | |
488 | ||
7e8f15c5 AH |
489 | v4l2_dbg(3, debug, c, "i2c_write_seq(count=%d): %*ph\n", count, |
490 | min(2 * count, 64), seq); | |
491 | ||
7d459937 | 492 | buf[0] = __constant_cpu_to_be16(REG_CMD_BUF); |
7d459937 | 493 | |
7e8f15c5 AH |
494 | while (count > 0) { |
495 | int n = min_t(int, count, ARRAY_SIZE(buf) - 1); | |
496 | int ret, i; | |
7d459937 | 497 | |
7e8f15c5 AH |
498 | for (i = 1; i <= n; ++i) |
499 | buf[i] = cpu_to_be16(*seq++); | |
500 | ||
501 | i *= 2; | |
502 | ret = i2c_master_send(c, (char *)buf, i); | |
503 | if (ret != i) { | |
504 | v4l2_err(c, "i2c_write_seq: error during transfer (%d)\n", ret); | |
505 | state->error = ret; | |
506 | break; | |
507 | } | |
508 | ||
509 | count -= n; | |
7d459937 AH |
510 | } |
511 | } | |
512 | ||
513 | #define s5k5baf_write_seq(state, addr, seq...) \ | |
514 | s5k5baf_write_arr_seq(state, addr, sizeof((char[]){ seq }), \ | |
515 | (const u16 []){ seq }); | |
516 | ||
517 | /* add items count at the beginning of the list */ | |
518 | #define NSEQ(seq...) sizeof((char[]){ seq }), seq | |
519 | ||
520 | /* | |
521 | * s5k5baf_write_nseq() - Writes sequences of values to sensor memory via i2c | |
522 | * @nseq: sequence of u16 words in format: | |
523 | * (N, address, value[1]...value[N-1])*,0 | |
524 | * Ex.: | |
525 | * u16 seq[] = { NSEQ(0x4000, 1, 1), NSEQ(0x4010, 640, 480), 0 }; | |
526 | * ret = s5k5baf_write_nseq(c, seq); | |
527 | */ | |
528 | static void s5k5baf_write_nseq(struct s5k5baf *state, const u16 *nseq) | |
529 | { | |
530 | int count; | |
531 | ||
532 | while ((count = *nseq++)) { | |
533 | u16 addr = *nseq++; | |
534 | --count; | |
535 | ||
536 | s5k5baf_write_arr_seq(state, addr, count, nseq); | |
537 | nseq += count; | |
538 | } | |
539 | } | |
540 | ||
541 | static void s5k5baf_synchronize(struct s5k5baf *state, int timeout, u16 addr) | |
542 | { | |
543 | unsigned long end = jiffies + msecs_to_jiffies(timeout); | |
544 | u16 reg; | |
545 | ||
546 | s5k5baf_write(state, addr, 1); | |
547 | do { | |
548 | reg = s5k5baf_read(state, addr); | |
549 | if (state->error || !reg) | |
550 | return; | |
551 | usleep_range(5000, 10000); | |
552 | } while (time_is_after_jiffies(end)); | |
553 | ||
554 | v4l2_err(&state->sd, "timeout on register synchronize (%#x)\n", addr); | |
555 | state->error = -ETIMEDOUT; | |
556 | } | |
557 | ||
558 | static u16 *s5k5baf_fw_get_seq(struct s5k5baf *state, u16 seq_id) | |
559 | { | |
560 | struct s5k5baf_fw *fw = state->fw; | |
c0ee6273 | 561 | u16 *data; |
7d459937 AH |
562 | int i; |
563 | ||
564 | if (fw == NULL) | |
565 | return NULL; | |
566 | ||
c0ee6273 SK |
567 | data = fw->data + 2 * fw->count; |
568 | ||
7d459937 AH |
569 | for (i = 0; i < fw->count; ++i) { |
570 | if (fw->seq[i].id == seq_id) | |
571 | return data + fw->seq[i].offset; | |
572 | } | |
573 | ||
574 | return NULL; | |
575 | } | |
576 | ||
577 | static void s5k5baf_hw_patch(struct s5k5baf *state) | |
578 | { | |
579 | u16 *seq = s5k5baf_fw_get_seq(state, S5K5BAF_FW_ID_PATCH); | |
580 | ||
581 | if (seq) | |
582 | s5k5baf_write_nseq(state, seq); | |
583 | } | |
584 | ||
585 | static void s5k5baf_hw_set_clocks(struct s5k5baf *state) | |
586 | { | |
587 | unsigned long mclk = state->mclk_frequency / 1000; | |
588 | u16 status; | |
589 | static const u16 nseq_clk_cfg[] = { | |
590 | NSEQ(REG_I_USE_NPVI_CLOCKS, | |
591 | NPVI_CLOCKS, NMIPI_CLOCKS, 0, | |
592 | SCLK_PVI_FREQ / 4, PCLK_MIN_FREQ / 4, PCLK_MAX_FREQ / 4, | |
593 | SCLK_MIPI_FREQ / 4, PCLK_MIN_FREQ / 4, PCLK_MAX_FREQ / 4), | |
594 | NSEQ(REG_I_USE_REGS_API, 1), | |
595 | 0 | |
596 | }; | |
597 | ||
598 | s5k5baf_write_seq(state, REG_I_INCLK_FREQ_L, mclk & 0xffff, mclk >> 16); | |
599 | s5k5baf_write_nseq(state, nseq_clk_cfg); | |
600 | ||
601 | s5k5baf_synchronize(state, 250, REG_I_INIT_PARAMS_UPDATED); | |
602 | status = s5k5baf_read(state, REG_I_ERROR_INFO); | |
603 | if (!state->error && status) { | |
604 | v4l2_err(&state->sd, "error configuring PLL (%d)\n", status); | |
605 | state->error = -EINVAL; | |
606 | } | |
607 | } | |
608 | ||
609 | /* set custom color correction matrices for various illuminations */ | |
610 | static void s5k5baf_hw_set_ccm(struct s5k5baf *state) | |
611 | { | |
612 | u16 *seq = s5k5baf_fw_get_seq(state, S5K5BAF_FW_ID_CCM); | |
613 | ||
614 | if (seq) | |
615 | s5k5baf_write_nseq(state, seq); | |
616 | } | |
617 | ||
618 | /* CIS sensor tuning, based on undocumented android driver code */ | |
619 | static void s5k5baf_hw_set_cis(struct s5k5baf *state) | |
620 | { | |
621 | u16 *seq = s5k5baf_fw_get_seq(state, S5K5BAF_FW_ID_CIS); | |
622 | ||
623 | if (!seq) | |
624 | return; | |
625 | ||
626 | s5k5baf_i2c_write(state, REG_CMDWR_PAGE, PAGE_IF_HW); | |
627 | s5k5baf_write_nseq(state, seq); | |
628 | s5k5baf_i2c_write(state, REG_CMDWR_PAGE, PAGE_IF_SW); | |
629 | } | |
630 | ||
631 | static void s5k5baf_hw_sync_cfg(struct s5k5baf *state) | |
632 | { | |
633 | s5k5baf_write(state, REG_G_PREV_CFG_CHG, 1); | |
634 | if (state->apply_crop) { | |
635 | s5k5baf_write(state, REG_G_INPUTS_CHANGE_REQ, 1); | |
636 | s5k5baf_write(state, REG_G_PREV_CFG_BYPASS_CHANGED, 1); | |
637 | } | |
638 | s5k5baf_synchronize(state, 500, REG_G_NEW_CFG_SYNC); | |
639 | } | |
640 | /* Set horizontal and vertical image flipping */ | |
641 | static void s5k5baf_hw_set_mirror(struct s5k5baf *state) | |
642 | { | |
643 | u16 flip = state->ctrls.vflip->val | (state->ctrls.vflip->val << 1); | |
644 | ||
645 | s5k5baf_write(state, REG_P_PREV_MIRROR(0), flip); | |
646 | if (state->streaming) | |
647 | s5k5baf_hw_sync_cfg(state); | |
648 | } | |
649 | ||
650 | static void s5k5baf_hw_set_alg(struct s5k5baf *state, u16 alg, bool enable) | |
651 | { | |
652 | u16 cur_alg, new_alg; | |
653 | ||
654 | if (!state->valid_auto_alg) | |
655 | cur_alg = s5k5baf_read(state, REG_DBG_AUTOALG_EN); | |
656 | else | |
657 | cur_alg = state->auto_alg; | |
658 | ||
659 | new_alg = enable ? (cur_alg | alg) : (cur_alg & ~alg); | |
660 | ||
661 | if (new_alg != cur_alg) | |
662 | s5k5baf_write(state, REG_DBG_AUTOALG_EN, new_alg); | |
663 | ||
664 | if (state->error) | |
665 | return; | |
666 | ||
667 | state->valid_auto_alg = 1; | |
668 | state->auto_alg = new_alg; | |
669 | } | |
670 | ||
671 | /* Configure auto/manual white balance and R/G/B gains */ | |
672 | static void s5k5baf_hw_set_awb(struct s5k5baf *state, int awb) | |
673 | { | |
674 | struct s5k5baf_ctrls *ctrls = &state->ctrls; | |
675 | ||
676 | if (!awb) | |
677 | s5k5baf_write_seq(state, REG_SF_RGAIN, | |
678 | ctrls->gain_red->val, 1, | |
679 | S5K5BAF_GAIN_GREEN_DEF, 1, | |
680 | ctrls->gain_blue->val, 1, | |
681 | 1); | |
682 | ||
683 | s5k5baf_hw_set_alg(state, AALG_WB_EN, awb); | |
684 | } | |
685 | ||
686 | /* Program FW with exposure time, 'exposure' in us units */ | |
687 | static void s5k5baf_hw_set_user_exposure(struct s5k5baf *state, int exposure) | |
688 | { | |
689 | unsigned int time = exposure / 10; | |
690 | ||
691 | s5k5baf_write_seq(state, REG_SF_USR_EXPOSURE_L, | |
692 | time & 0xffff, time >> 16, 1); | |
693 | } | |
694 | ||
695 | static void s5k5baf_hw_set_user_gain(struct s5k5baf *state, int gain) | |
696 | { | |
697 | s5k5baf_write_seq(state, REG_SF_USR_TOT_GAIN, gain, 1); | |
698 | } | |
699 | ||
700 | /* Set auto/manual exposure and total gain */ | |
701 | static void s5k5baf_hw_set_auto_exposure(struct s5k5baf *state, int value) | |
702 | { | |
703 | if (value == V4L2_EXPOSURE_AUTO) { | |
704 | s5k5baf_hw_set_alg(state, AALG_AE_EN | AALG_DIVLEI_EN, true); | |
705 | } else { | |
706 | unsigned int exp_time = state->ctrls.exposure->val; | |
707 | ||
708 | s5k5baf_hw_set_user_exposure(state, exp_time); | |
709 | s5k5baf_hw_set_user_gain(state, state->ctrls.gain->val); | |
710 | s5k5baf_hw_set_alg(state, AALG_AE_EN | AALG_DIVLEI_EN, false); | |
711 | } | |
712 | } | |
713 | ||
714 | static void s5k5baf_hw_set_anti_flicker(struct s5k5baf *state, int v) | |
715 | { | |
716 | if (v == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) { | |
717 | s5k5baf_hw_set_alg(state, AALG_FLICKER_EN, true); | |
718 | } else { | |
719 | /* The V4L2_CID_LINE_FREQUENCY control values match | |
720 | * the register values */ | |
721 | s5k5baf_write_seq(state, REG_SF_FLICKER_QUANT, v, 1); | |
722 | s5k5baf_hw_set_alg(state, AALG_FLICKER_EN, false); | |
723 | } | |
724 | } | |
725 | ||
726 | static void s5k5baf_hw_set_colorfx(struct s5k5baf *state, int val) | |
727 | { | |
728 | static const u16 colorfx[] = { | |
729 | [V4L2_COLORFX_NONE] = 0, | |
730 | [V4L2_COLORFX_BW] = 1, | |
731 | [V4L2_COLORFX_NEGATIVE] = 2, | |
732 | [V4L2_COLORFX_SEPIA] = 3, | |
733 | [V4L2_COLORFX_SKY_BLUE] = 4, | |
734 | [V4L2_COLORFX_SKETCH] = 5, | |
735 | }; | |
736 | ||
737 | s5k5baf_write(state, REG_G_SPEC_EFFECTS, colorfx[val]); | |
738 | } | |
739 | ||
740 | static int s5k5baf_find_pixfmt(struct v4l2_mbus_framefmt *mf) | |
741 | { | |
742 | int i, c = -1; | |
743 | ||
744 | for (i = 0; i < ARRAY_SIZE(s5k5baf_formats); i++) { | |
745 | if (mf->colorspace != s5k5baf_formats[i].colorspace) | |
746 | continue; | |
747 | if (mf->code == s5k5baf_formats[i].code) | |
748 | return i; | |
749 | if (c < 0) | |
750 | c = i; | |
751 | } | |
752 | return (c < 0) ? 0 : c; | |
753 | } | |
754 | ||
755 | static int s5k5baf_clear_error(struct s5k5baf *state) | |
756 | { | |
757 | int ret = state->error; | |
758 | ||
759 | state->error = 0; | |
760 | return ret; | |
761 | } | |
762 | ||
763 | static int s5k5baf_hw_set_video_bus(struct s5k5baf *state) | |
764 | { | |
765 | u16 en_pkts; | |
766 | ||
767 | if (state->bus_type == V4L2_MBUS_CSI2) | |
768 | en_pkts = EN_PACKETS_CSI2; | |
769 | else | |
770 | en_pkts = 0; | |
771 | ||
772 | s5k5baf_write_seq(state, REG_OIF_EN_MIPI_LANES, | |
773 | state->nlanes, en_pkts, 1); | |
774 | ||
775 | return s5k5baf_clear_error(state); | |
776 | } | |
777 | ||
778 | static u16 s5k5baf_get_cfg_error(struct s5k5baf *state) | |
779 | { | |
780 | u16 err = s5k5baf_read(state, REG_G_PREV_CFG_ERROR); | |
781 | if (err) | |
782 | s5k5baf_write(state, REG_G_PREV_CFG_ERROR, 0); | |
783 | return err; | |
784 | } | |
785 | ||
786 | static void s5k5baf_hw_set_fiv(struct s5k5baf *state, u16 fiv) | |
787 | { | |
788 | s5k5baf_write(state, REG_P_MAX_FR_TIME(0), fiv); | |
789 | s5k5baf_hw_sync_cfg(state); | |
790 | } | |
791 | ||
792 | static void s5k5baf_hw_find_min_fiv(struct s5k5baf *state) | |
793 | { | |
794 | u16 err, fiv; | |
795 | int n; | |
796 | ||
797 | fiv = s5k5baf_read(state, REG_G_ACTUAL_P_FR_TIME); | |
798 | if (state->error) | |
799 | return; | |
800 | ||
801 | for (n = 5; n > 0; --n) { | |
802 | s5k5baf_hw_set_fiv(state, fiv); | |
803 | err = s5k5baf_get_cfg_error(state); | |
804 | if (state->error) | |
805 | return; | |
806 | switch (err) { | |
807 | case CFG_ERROR_RANGE: | |
808 | ++fiv; | |
809 | break; | |
810 | case 0: | |
811 | state->fiv = fiv; | |
812 | v4l2_info(&state->sd, | |
813 | "found valid frame interval: %d00us\n", fiv); | |
814 | return; | |
815 | default: | |
816 | v4l2_err(&state->sd, | |
817 | "error setting frame interval: %d\n", err); | |
818 | state->error = -EINVAL; | |
819 | } | |
bc39d69a | 820 | } |
7d459937 AH |
821 | v4l2_err(&state->sd, "cannot find correct frame interval\n"); |
822 | state->error = -ERANGE; | |
823 | } | |
824 | ||
825 | static void s5k5baf_hw_validate_cfg(struct s5k5baf *state) | |
826 | { | |
827 | u16 err; | |
828 | ||
829 | err = s5k5baf_get_cfg_error(state); | |
830 | if (state->error) | |
831 | return; | |
832 | ||
833 | switch (err) { | |
834 | case 0: | |
835 | state->apply_cfg = 1; | |
836 | return; | |
837 | case CFG_ERROR_RANGE: | |
838 | s5k5baf_hw_find_min_fiv(state); | |
839 | if (!state->error) | |
840 | state->apply_cfg = 1; | |
841 | return; | |
842 | default: | |
843 | v4l2_err(&state->sd, | |
844 | "error setting format: %d\n", err); | |
845 | state->error = -EINVAL; | |
846 | } | |
847 | } | |
848 | ||
849 | static void s5k5baf_rescale(struct v4l2_rect *r, const struct v4l2_rect *v, | |
850 | const struct v4l2_rect *n, | |
851 | const struct v4l2_rect *d) | |
852 | { | |
853 | r->left = v->left * n->width / d->width; | |
854 | r->top = v->top * n->height / d->height; | |
855 | r->width = v->width * n->width / d->width; | |
856 | r->height = v->height * n->height / d->height; | |
857 | } | |
858 | ||
859 | static int s5k5baf_hw_set_crop_rects(struct s5k5baf *state) | |
860 | { | |
861 | struct v4l2_rect *p, r; | |
862 | u16 err; | |
863 | int ret; | |
864 | ||
865 | p = &state->crop_sink; | |
866 | s5k5baf_write_seq(state, REG_G_PREVREQ_IN_WIDTH, p->width, p->height, | |
867 | p->left, p->top); | |
868 | ||
869 | s5k5baf_rescale(&r, &state->crop_source, &state->crop_sink, | |
870 | &state->compose); | |
871 | s5k5baf_write_seq(state, REG_G_PREVZOOM_IN_WIDTH, r.width, r.height, | |
872 | r.left, r.top); | |
873 | ||
874 | s5k5baf_synchronize(state, 500, REG_G_INPUTS_CHANGE_REQ); | |
875 | s5k5baf_synchronize(state, 500, REG_G_PREV_CFG_BYPASS_CHANGED); | |
876 | err = s5k5baf_get_cfg_error(state); | |
877 | ret = s5k5baf_clear_error(state); | |
878 | if (ret < 0) | |
879 | return ret; | |
880 | ||
881 | switch (err) { | |
882 | case 0: | |
883 | break; | |
884 | case CFG_ERROR_RANGE: | |
885 | /* retry crop with frame interval set to max */ | |
886 | s5k5baf_hw_set_fiv(state, S5K5BAF_MAX_FR_TIME); | |
887 | err = s5k5baf_get_cfg_error(state); | |
888 | ret = s5k5baf_clear_error(state); | |
889 | if (ret < 0) | |
890 | return ret; | |
891 | if (err) { | |
892 | v4l2_err(&state->sd, | |
893 | "crop error on max frame interval: %d\n", err); | |
894 | state->error = -EINVAL; | |
895 | } | |
896 | s5k5baf_hw_set_fiv(state, state->req_fiv); | |
897 | s5k5baf_hw_validate_cfg(state); | |
898 | break; | |
899 | default: | |
900 | v4l2_err(&state->sd, "crop error: %d\n", err); | |
901 | return -EINVAL; | |
902 | } | |
903 | ||
904 | if (!state->apply_cfg) | |
905 | return 0; | |
906 | ||
907 | p = &state->crop_source; | |
908 | s5k5baf_write_seq(state, REG_P_OUT_WIDTH(0), p->width, p->height); | |
909 | s5k5baf_hw_set_fiv(state, state->req_fiv); | |
910 | s5k5baf_hw_validate_cfg(state); | |
911 | ||
912 | return s5k5baf_clear_error(state); | |
913 | } | |
914 | ||
915 | static void s5k5baf_hw_set_config(struct s5k5baf *state) | |
916 | { | |
917 | u16 reg_fmt = s5k5baf_formats[state->pixfmt].reg_p_fmt; | |
918 | struct v4l2_rect *r = &state->crop_source; | |
919 | ||
920 | s5k5baf_write_seq(state, REG_P_OUT_WIDTH(0), | |
921 | r->width, r->height, reg_fmt, | |
922 | PCLK_MAX_FREQ >> 2, PCLK_MIN_FREQ >> 2, | |
923 | PVI_MASK_MIPI, CLK_MIPI_INDEX, | |
924 | FR_RATE_FIXED, FR_RATE_Q_DYNAMIC, | |
925 | state->req_fiv, S5K5BAF_MIN_FR_TIME); | |
926 | s5k5baf_hw_sync_cfg(state); | |
927 | s5k5baf_hw_validate_cfg(state); | |
928 | } | |
929 | ||
930 | ||
931 | static void s5k5baf_hw_set_test_pattern(struct s5k5baf *state, int id) | |
932 | { | |
933 | s5k5baf_i2c_write(state, REG_PATTERN_WIDTH, 800); | |
934 | s5k5baf_i2c_write(state, REG_PATTERN_HEIGHT, 511); | |
935 | s5k5baf_i2c_write(state, REG_PATTERN_PARAM, 0); | |
936 | s5k5baf_i2c_write(state, REG_PATTERN_SET, id); | |
937 | } | |
938 | ||
939 | static void s5k5baf_gpio_assert(struct s5k5baf *state, int id) | |
940 | { | |
941 | struct s5k5baf_gpio *gpio = &state->gpios[id]; | |
942 | ||
943 | gpio_set_value(gpio->gpio, gpio->level); | |
944 | } | |
945 | ||
946 | static void s5k5baf_gpio_deassert(struct s5k5baf *state, int id) | |
947 | { | |
948 | struct s5k5baf_gpio *gpio = &state->gpios[id]; | |
949 | ||
950 | gpio_set_value(gpio->gpio, !gpio->level); | |
951 | } | |
952 | ||
953 | static int s5k5baf_power_on(struct s5k5baf *state) | |
954 | { | |
955 | int ret; | |
956 | ||
957 | ret = regulator_bulk_enable(S5K5BAF_NUM_SUPPLIES, state->supplies); | |
958 | if (ret < 0) | |
959 | goto err; | |
960 | ||
961 | ret = clk_set_rate(state->clock, state->mclk_frequency); | |
962 | if (ret < 0) | |
963 | goto err_reg_dis; | |
964 | ||
965 | ret = clk_prepare_enable(state->clock); | |
966 | if (ret < 0) | |
967 | goto err_reg_dis; | |
968 | ||
969 | v4l2_dbg(1, debug, &state->sd, "clock frequency: %ld\n", | |
970 | clk_get_rate(state->clock)); | |
971 | ||
972 | s5k5baf_gpio_deassert(state, STBY); | |
973 | usleep_range(50, 100); | |
974 | s5k5baf_gpio_deassert(state, RST); | |
975 | return 0; | |
976 | ||
977 | err_reg_dis: | |
978 | regulator_bulk_disable(S5K5BAF_NUM_SUPPLIES, state->supplies); | |
979 | err: | |
980 | v4l2_err(&state->sd, "%s() failed (%d)\n", __func__, ret); | |
981 | return ret; | |
982 | } | |
983 | ||
984 | static int s5k5baf_power_off(struct s5k5baf *state) | |
985 | { | |
986 | int ret; | |
987 | ||
988 | state->streaming = 0; | |
989 | state->apply_cfg = 0; | |
990 | state->apply_crop = 0; | |
991 | ||
992 | s5k5baf_gpio_assert(state, RST); | |
993 | s5k5baf_gpio_assert(state, STBY); | |
994 | ||
995 | if (!IS_ERR(state->clock)) | |
996 | clk_disable_unprepare(state->clock); | |
997 | ||
998 | ret = regulator_bulk_disable(S5K5BAF_NUM_SUPPLIES, | |
999 | state->supplies); | |
1000 | if (ret < 0) | |
1001 | v4l2_err(&state->sd, "failed to disable regulators\n"); | |
1002 | ||
1003 | return 0; | |
1004 | } | |
1005 | ||
1006 | static void s5k5baf_hw_init(struct s5k5baf *state) | |
1007 | { | |
1008 | s5k5baf_i2c_write(state, AHB_MSB_ADDR_PTR, PAGE_IF_HW); | |
1009 | s5k5baf_i2c_write(state, REG_CLEAR_HOST_INT, 0); | |
1010 | s5k5baf_i2c_write(state, REG_SW_LOAD_COMPLETE, 1); | |
1011 | s5k5baf_i2c_write(state, REG_CMDRD_PAGE, PAGE_IF_SW); | |
1012 | s5k5baf_i2c_write(state, REG_CMDWR_PAGE, PAGE_IF_SW); | |
1013 | } | |
1014 | ||
1015 | /* | |
1016 | * V4L2 subdev core and video operations | |
1017 | */ | |
1018 | ||
1019 | static void s5k5baf_initialize_data(struct s5k5baf *state) | |
1020 | { | |
1021 | state->pixfmt = 0; | |
1022 | state->req_fiv = 10000 / 15; | |
1023 | state->fiv = state->req_fiv; | |
1024 | state->valid_auto_alg = 0; | |
1025 | } | |
1026 | ||
1027 | static int s5k5baf_load_setfile(struct s5k5baf *state) | |
1028 | { | |
1029 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
1030 | const struct firmware *fw; | |
1031 | int ret; | |
1032 | ||
1033 | ret = request_firmware(&fw, S5K5BAF_FW_FILENAME, &c->dev); | |
1034 | if (ret < 0) { | |
1035 | dev_warn(&c->dev, "firmware file (%s) not loaded\n", | |
1036 | S5K5BAF_FW_FILENAME); | |
1037 | return ret; | |
1038 | } | |
1039 | ||
1040 | ret = s5k5baf_fw_parse(&c->dev, &state->fw, fw->size / 2, | |
0348bb1a | 1041 | (__le16 *)fw->data); |
7d459937 AH |
1042 | |
1043 | release_firmware(fw); | |
1044 | ||
1045 | return ret; | |
1046 | } | |
1047 | ||
1048 | static int s5k5baf_set_power(struct v4l2_subdev *sd, int on) | |
1049 | { | |
1050 | struct s5k5baf *state = to_s5k5baf(sd); | |
1051 | int ret = 0; | |
1052 | ||
1053 | mutex_lock(&state->lock); | |
1054 | ||
1055 | if (!on != state->power) | |
1056 | goto out; | |
1057 | ||
1058 | if (on) { | |
1059 | if (state->fw == NULL) | |
1060 | s5k5baf_load_setfile(state); | |
1061 | ||
1062 | s5k5baf_initialize_data(state); | |
1063 | ret = s5k5baf_power_on(state); | |
1064 | if (ret < 0) | |
1065 | goto out; | |
1066 | ||
1067 | s5k5baf_hw_init(state); | |
1068 | s5k5baf_hw_patch(state); | |
1069 | s5k5baf_i2c_write(state, REG_SET_HOST_INT, 1); | |
1070 | s5k5baf_hw_set_clocks(state); | |
1071 | ||
1072 | ret = s5k5baf_hw_set_video_bus(state); | |
1073 | if (ret < 0) | |
1074 | goto out; | |
1075 | ||
1076 | s5k5baf_hw_set_cis(state); | |
1077 | s5k5baf_hw_set_ccm(state); | |
1078 | ||
1079 | ret = s5k5baf_clear_error(state); | |
1080 | if (!ret) | |
1081 | state->power++; | |
1082 | } else { | |
1083 | s5k5baf_power_off(state); | |
1084 | state->power--; | |
1085 | } | |
1086 | ||
1087 | out: | |
1088 | mutex_unlock(&state->lock); | |
1089 | ||
1090 | if (!ret && on) | |
1091 | ret = v4l2_ctrl_handler_setup(&state->ctrls.handler); | |
1092 | ||
1093 | return ret; | |
1094 | } | |
1095 | ||
1096 | static void s5k5baf_hw_set_stream(struct s5k5baf *state, int enable) | |
1097 | { | |
1098 | s5k5baf_write_seq(state, REG_G_ENABLE_PREV, enable, 1); | |
1099 | } | |
1100 | ||
1101 | static int s5k5baf_s_stream(struct v4l2_subdev *sd, int on) | |
1102 | { | |
1103 | struct s5k5baf *state = to_s5k5baf(sd); | |
1104 | int ret; | |
1105 | ||
1106 | mutex_lock(&state->lock); | |
1107 | ||
1108 | if (state->streaming == !!on) { | |
1109 | ret = 0; | |
1110 | goto out; | |
1111 | } | |
1112 | ||
1113 | if (on) { | |
1114 | s5k5baf_hw_set_config(state); | |
1115 | ret = s5k5baf_hw_set_crop_rects(state); | |
1116 | if (ret < 0) | |
1117 | goto out; | |
1118 | s5k5baf_hw_set_stream(state, 1); | |
1119 | s5k5baf_i2c_write(state, 0xb0cc, 0x000b); | |
1120 | } else { | |
1121 | s5k5baf_hw_set_stream(state, 0); | |
1122 | } | |
1123 | ret = s5k5baf_clear_error(state); | |
1124 | if (!ret) | |
1125 | state->streaming = !state->streaming; | |
1126 | ||
1127 | out: | |
1128 | mutex_unlock(&state->lock); | |
1129 | ||
1130 | return ret; | |
1131 | } | |
1132 | ||
1133 | static int s5k5baf_g_frame_interval(struct v4l2_subdev *sd, | |
1134 | struct v4l2_subdev_frame_interval *fi) | |
1135 | { | |
1136 | struct s5k5baf *state = to_s5k5baf(sd); | |
1137 | ||
1138 | mutex_lock(&state->lock); | |
1139 | fi->interval.numerator = state->fiv; | |
1140 | fi->interval.denominator = 10000; | |
1141 | mutex_unlock(&state->lock); | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
1146 | static void s5k5baf_set_frame_interval(struct s5k5baf *state, | |
1147 | struct v4l2_subdev_frame_interval *fi) | |
1148 | { | |
1149 | struct v4l2_fract *i = &fi->interval; | |
1150 | ||
1151 | if (fi->interval.denominator == 0) | |
1152 | state->req_fiv = S5K5BAF_MAX_FR_TIME; | |
1153 | else | |
1154 | state->req_fiv = clamp_t(u32, | |
1155 | i->numerator * 10000 / i->denominator, | |
1156 | S5K5BAF_MIN_FR_TIME, | |
1157 | S5K5BAF_MAX_FR_TIME); | |
1158 | ||
1159 | state->fiv = state->req_fiv; | |
1160 | if (state->apply_cfg) { | |
1161 | s5k5baf_hw_set_fiv(state, state->req_fiv); | |
1162 | s5k5baf_hw_validate_cfg(state); | |
1163 | } | |
1164 | *i = (struct v4l2_fract){ state->fiv, 10000 }; | |
1165 | if (state->fiv == state->req_fiv) | |
1166 | v4l2_info(&state->sd, "frame interval changed to %d00us\n", | |
1167 | state->fiv); | |
1168 | } | |
1169 | ||
1170 | static int s5k5baf_s_frame_interval(struct v4l2_subdev *sd, | |
1171 | struct v4l2_subdev_frame_interval *fi) | |
1172 | { | |
1173 | struct s5k5baf *state = to_s5k5baf(sd); | |
1174 | ||
1175 | mutex_lock(&state->lock); | |
1176 | s5k5baf_set_frame_interval(state, fi); | |
1177 | mutex_unlock(&state->lock); | |
1178 | return 0; | |
1179 | } | |
1180 | ||
1181 | /* | |
1182 | * V4L2 subdev pad level and video operations | |
1183 | */ | |
1184 | static int s5k5baf_enum_frame_interval(struct v4l2_subdev *sd, | |
f7234138 | 1185 | struct v4l2_subdev_pad_config *cfg, |
7d459937 AH |
1186 | struct v4l2_subdev_frame_interval_enum *fie) |
1187 | { | |
1188 | if (fie->index > S5K5BAF_MAX_FR_TIME - S5K5BAF_MIN_FR_TIME || | |
1189 | fie->pad != PAD_CIS) | |
1190 | return -EINVAL; | |
1191 | ||
1192 | v4l_bound_align_image(&fie->width, S5K5BAF_WIN_WIDTH_MIN, | |
1193 | S5K5BAF_CIS_WIDTH, 1, | |
1194 | &fie->height, S5K5BAF_WIN_HEIGHT_MIN, | |
1195 | S5K5BAF_CIS_HEIGHT, 1, 0); | |
1196 | ||
1197 | fie->interval.numerator = S5K5BAF_MIN_FR_TIME + fie->index; | |
1198 | fie->interval.denominator = 10000; | |
1199 | ||
1200 | return 0; | |
1201 | } | |
1202 | ||
1203 | static int s5k5baf_enum_mbus_code(struct v4l2_subdev *sd, | |
f7234138 | 1204 | struct v4l2_subdev_pad_config *cfg, |
7d459937 AH |
1205 | struct v4l2_subdev_mbus_code_enum *code) |
1206 | { | |
1207 | if (code->pad == PAD_CIS) { | |
1208 | if (code->index > 0) | |
1209 | return -EINVAL; | |
f5fe58fd | 1210 | code->code = MEDIA_BUS_FMT_FIXED; |
7d459937 AH |
1211 | return 0; |
1212 | } | |
1213 | ||
1214 | if (code->index >= ARRAY_SIZE(s5k5baf_formats)) | |
1215 | return -EINVAL; | |
1216 | ||
1217 | code->code = s5k5baf_formats[code->index].code; | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | static int s5k5baf_enum_frame_size(struct v4l2_subdev *sd, | |
f7234138 | 1222 | struct v4l2_subdev_pad_config *cfg, |
7d459937 AH |
1223 | struct v4l2_subdev_frame_size_enum *fse) |
1224 | { | |
1225 | int i; | |
1226 | ||
1227 | if (fse->index > 0) | |
1228 | return -EINVAL; | |
1229 | ||
1230 | if (fse->pad == PAD_CIS) { | |
f5fe58fd | 1231 | fse->code = MEDIA_BUS_FMT_FIXED; |
7d459937 AH |
1232 | fse->min_width = S5K5BAF_CIS_WIDTH; |
1233 | fse->max_width = S5K5BAF_CIS_WIDTH; | |
1234 | fse->min_height = S5K5BAF_CIS_HEIGHT; | |
1235 | fse->max_height = S5K5BAF_CIS_HEIGHT; | |
1236 | return 0; | |
1237 | } | |
1238 | ||
1239 | i = ARRAY_SIZE(s5k5baf_formats); | |
1240 | while (--i) | |
1241 | if (fse->code == s5k5baf_formats[i].code) | |
1242 | break; | |
1243 | fse->code = s5k5baf_formats[i].code; | |
1244 | fse->min_width = S5K5BAF_WIN_WIDTH_MIN; | |
1245 | fse->max_width = S5K5BAF_CIS_WIDTH; | |
1246 | fse->max_height = S5K5BAF_WIN_HEIGHT_MIN; | |
1247 | fse->min_height = S5K5BAF_CIS_HEIGHT; | |
1248 | ||
1249 | return 0; | |
1250 | } | |
1251 | ||
1252 | static void s5k5baf_try_cis_format(struct v4l2_mbus_framefmt *mf) | |
1253 | { | |
1254 | mf->width = S5K5BAF_CIS_WIDTH; | |
1255 | mf->height = S5K5BAF_CIS_HEIGHT; | |
f5fe58fd | 1256 | mf->code = MEDIA_BUS_FMT_FIXED; |
7d459937 AH |
1257 | mf->colorspace = V4L2_COLORSPACE_JPEG; |
1258 | mf->field = V4L2_FIELD_NONE; | |
1259 | } | |
1260 | ||
1261 | static int s5k5baf_try_isp_format(struct v4l2_mbus_framefmt *mf) | |
1262 | { | |
1263 | int pixfmt; | |
1264 | ||
1265 | v4l_bound_align_image(&mf->width, S5K5BAF_WIN_WIDTH_MIN, | |
1266 | S5K5BAF_CIS_WIDTH, 1, | |
1267 | &mf->height, S5K5BAF_WIN_HEIGHT_MIN, | |
1268 | S5K5BAF_CIS_HEIGHT, 1, 0); | |
1269 | ||
1270 | pixfmt = s5k5baf_find_pixfmt(mf); | |
1271 | ||
1272 | mf->colorspace = s5k5baf_formats[pixfmt].colorspace; | |
1273 | mf->code = s5k5baf_formats[pixfmt].code; | |
1274 | mf->field = V4L2_FIELD_NONE; | |
1275 | ||
1276 | return pixfmt; | |
1277 | } | |
1278 | ||
f7234138 | 1279 | static int s5k5baf_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, |
7d459937 AH |
1280 | struct v4l2_subdev_format *fmt) |
1281 | { | |
1282 | struct s5k5baf *state = to_s5k5baf(sd); | |
1283 | const struct s5k5baf_pixfmt *pixfmt; | |
1284 | struct v4l2_mbus_framefmt *mf; | |
1285 | ||
1286 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { | |
f7234138 | 1287 | mf = v4l2_subdev_get_try_format(sd, cfg, fmt->pad); |
7d459937 AH |
1288 | fmt->format = *mf; |
1289 | return 0; | |
1290 | } | |
1291 | ||
1292 | mf = &fmt->format; | |
1293 | if (fmt->pad == PAD_CIS) { | |
1294 | s5k5baf_try_cis_format(mf); | |
1295 | return 0; | |
1296 | } | |
1297 | mf->field = V4L2_FIELD_NONE; | |
1298 | mutex_lock(&state->lock); | |
1299 | pixfmt = &s5k5baf_formats[state->pixfmt]; | |
1300 | mf->width = state->crop_source.width; | |
1301 | mf->height = state->crop_source.height; | |
1302 | mf->code = pixfmt->code; | |
1303 | mf->colorspace = pixfmt->colorspace; | |
1304 | mutex_unlock(&state->lock); | |
1305 | ||
1306 | return 0; | |
1307 | } | |
1308 | ||
f7234138 | 1309 | static int s5k5baf_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, |
7d459937 AH |
1310 | struct v4l2_subdev_format *fmt) |
1311 | { | |
1312 | struct v4l2_mbus_framefmt *mf = &fmt->format; | |
1313 | struct s5k5baf *state = to_s5k5baf(sd); | |
1314 | const struct s5k5baf_pixfmt *pixfmt; | |
1315 | int ret = 0; | |
1316 | ||
2f7844ec LP |
1317 | mf->field = V4L2_FIELD_NONE; |
1318 | ||
7d459937 | 1319 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
f7234138 | 1320 | *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = *mf; |
7d459937 AH |
1321 | return 0; |
1322 | } | |
1323 | ||
1324 | if (fmt->pad == PAD_CIS) { | |
1325 | s5k5baf_try_cis_format(mf); | |
1326 | return 0; | |
1327 | } | |
1328 | ||
1329 | mutex_lock(&state->lock); | |
1330 | ||
1331 | if (state->streaming) { | |
1332 | mutex_unlock(&state->lock); | |
1333 | return -EBUSY; | |
1334 | } | |
1335 | ||
1336 | state->pixfmt = s5k5baf_try_isp_format(mf); | |
1337 | pixfmt = &s5k5baf_formats[state->pixfmt]; | |
1338 | mf->code = pixfmt->code; | |
1339 | mf->colorspace = pixfmt->colorspace; | |
1340 | mf->width = state->crop_source.width; | |
1341 | mf->height = state->crop_source.height; | |
1342 | ||
1343 | mutex_unlock(&state->lock); | |
1344 | return ret; | |
1345 | } | |
1346 | ||
1347 | enum selection_rect { R_CIS, R_CROP_SINK, R_COMPOSE, R_CROP_SOURCE, R_INVALID }; | |
1348 | ||
1349 | static enum selection_rect s5k5baf_get_sel_rect(u32 pad, u32 target) | |
1350 | { | |
1351 | switch (target) { | |
1352 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
1353 | return pad ? R_COMPOSE : R_CIS; | |
1354 | case V4L2_SEL_TGT_CROP: | |
1355 | return pad ? R_CROP_SOURCE : R_CROP_SINK; | |
1356 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
1357 | return pad ? R_INVALID : R_CROP_SINK; | |
1358 | case V4L2_SEL_TGT_COMPOSE: | |
1359 | return pad ? R_INVALID : R_COMPOSE; | |
1360 | default: | |
1361 | return R_INVALID; | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | static int s5k5baf_is_bound_target(u32 target) | |
1366 | { | |
7296e158 SK |
1367 | return target == V4L2_SEL_TGT_CROP_BOUNDS || |
1368 | target == V4L2_SEL_TGT_COMPOSE_BOUNDS; | |
7d459937 AH |
1369 | } |
1370 | ||
1371 | static int s5k5baf_get_selection(struct v4l2_subdev *sd, | |
f7234138 | 1372 | struct v4l2_subdev_pad_config *cfg, |
7d459937 AH |
1373 | struct v4l2_subdev_selection *sel) |
1374 | { | |
1375 | static enum selection_rect rtype; | |
1376 | struct s5k5baf *state = to_s5k5baf(sd); | |
1377 | ||
1378 | rtype = s5k5baf_get_sel_rect(sel->pad, sel->target); | |
1379 | ||
1380 | switch (rtype) { | |
1381 | case R_INVALID: | |
1382 | return -EINVAL; | |
1383 | case R_CIS: | |
1384 | sel->r = s5k5baf_cis_rect; | |
1385 | return 0; | |
1386 | default: | |
1387 | break; | |
1388 | } | |
1389 | ||
1390 | if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1391 | if (rtype == R_COMPOSE) | |
f7234138 | 1392 | sel->r = *v4l2_subdev_get_try_compose(sd, cfg, sel->pad); |
7d459937 | 1393 | else |
f7234138 | 1394 | sel->r = *v4l2_subdev_get_try_crop(sd, cfg, sel->pad); |
7d459937 AH |
1395 | return 0; |
1396 | } | |
1397 | ||
1398 | mutex_lock(&state->lock); | |
1399 | switch (rtype) { | |
1400 | case R_CROP_SINK: | |
1401 | sel->r = state->crop_sink; | |
1402 | break; | |
1403 | case R_COMPOSE: | |
1404 | sel->r = state->compose; | |
1405 | break; | |
1406 | case R_CROP_SOURCE: | |
1407 | sel->r = state->crop_source; | |
1408 | break; | |
1409 | default: | |
1410 | break; | |
1411 | } | |
1412 | if (s5k5baf_is_bound_target(sel->target)) { | |
1413 | sel->r.left = 0; | |
1414 | sel->r.top = 0; | |
1415 | } | |
1416 | mutex_unlock(&state->lock); | |
1417 | ||
1418 | return 0; | |
1419 | } | |
1420 | ||
1421 | /* bounds range [start, start+len) to [0, max) and aligns to 2 */ | |
1422 | static void s5k5baf_bound_range(u32 *start, u32 *len, u32 max) | |
1423 | { | |
1424 | if (*len > max) | |
1425 | *len = max; | |
1426 | if (*start + *len > max) | |
1427 | *start = max - *len; | |
1428 | *start &= ~1; | |
1429 | *len &= ~1; | |
1430 | if (*len < S5K5BAF_WIN_WIDTH_MIN) | |
1431 | *len = S5K5BAF_WIN_WIDTH_MIN; | |
1432 | } | |
1433 | ||
1434 | static void s5k5baf_bound_rect(struct v4l2_rect *r, u32 width, u32 height) | |
1435 | { | |
1436 | s5k5baf_bound_range(&r->left, &r->width, width); | |
1437 | s5k5baf_bound_range(&r->top, &r->height, height); | |
1438 | } | |
1439 | ||
1440 | static void s5k5baf_set_rect_and_adjust(struct v4l2_rect **rects, | |
1441 | enum selection_rect first, | |
1442 | struct v4l2_rect *v) | |
1443 | { | |
1444 | struct v4l2_rect *r, *br; | |
1445 | enum selection_rect i = first; | |
1446 | ||
1447 | *rects[first] = *v; | |
1448 | do { | |
1449 | r = rects[i]; | |
1450 | br = rects[i - 1]; | |
1451 | s5k5baf_bound_rect(r, br->width, br->height); | |
1452 | } while (++i != R_INVALID); | |
1453 | *v = *rects[first]; | |
1454 | } | |
1455 | ||
1456 | static bool s5k5baf_cmp_rect(const struct v4l2_rect *r1, | |
1457 | const struct v4l2_rect *r2) | |
1458 | { | |
1459 | return !memcmp(r1, r2, sizeof(*r1)); | |
1460 | } | |
1461 | ||
1462 | static int s5k5baf_set_selection(struct v4l2_subdev *sd, | |
f7234138 | 1463 | struct v4l2_subdev_pad_config *cfg, |
7d459937 AH |
1464 | struct v4l2_subdev_selection *sel) |
1465 | { | |
1466 | static enum selection_rect rtype; | |
1467 | struct s5k5baf *state = to_s5k5baf(sd); | |
1468 | struct v4l2_rect **rects; | |
1469 | int ret = 0; | |
1470 | ||
1471 | rtype = s5k5baf_get_sel_rect(sel->pad, sel->target); | |
1472 | if (rtype == R_INVALID || s5k5baf_is_bound_target(sel->target)) | |
1473 | return -EINVAL; | |
1474 | ||
1475 | /* allow only scaling on compose */ | |
1476 | if (rtype == R_COMPOSE) { | |
1477 | sel->r.left = 0; | |
1478 | sel->r.top = 0; | |
1479 | } | |
1480 | ||
1481 | if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1482 | rects = (struct v4l2_rect * []) { | |
1483 | &s5k5baf_cis_rect, | |
f7234138 HV |
1484 | v4l2_subdev_get_try_crop(sd, cfg, PAD_CIS), |
1485 | v4l2_subdev_get_try_compose(sd, cfg, PAD_CIS), | |
1486 | v4l2_subdev_get_try_crop(sd, cfg, PAD_OUT) | |
7d459937 AH |
1487 | }; |
1488 | s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r); | |
1489 | return 0; | |
1490 | } | |
1491 | ||
1492 | rects = (struct v4l2_rect * []) { | |
1493 | &s5k5baf_cis_rect, | |
1494 | &state->crop_sink, | |
1495 | &state->compose, | |
1496 | &state->crop_source | |
1497 | }; | |
1498 | mutex_lock(&state->lock); | |
1499 | if (state->streaming) { | |
1500 | /* adjust sel->r to avoid output resolution change */ | |
1501 | if (rtype < R_CROP_SOURCE) { | |
1502 | if (sel->r.width < state->crop_source.width) | |
1503 | sel->r.width = state->crop_source.width; | |
1504 | if (sel->r.height < state->crop_source.height) | |
1505 | sel->r.height = state->crop_source.height; | |
1506 | } else { | |
1507 | sel->r.width = state->crop_source.width; | |
1508 | sel->r.height = state->crop_source.height; | |
1509 | } | |
1510 | } | |
1511 | s5k5baf_set_rect_and_adjust(rects, rtype, &sel->r); | |
1512 | if (!s5k5baf_cmp_rect(&state->crop_sink, &s5k5baf_cis_rect) || | |
1513 | !s5k5baf_cmp_rect(&state->compose, &s5k5baf_cis_rect)) | |
1514 | state->apply_crop = 1; | |
1515 | if (state->streaming) | |
1516 | ret = s5k5baf_hw_set_crop_rects(state); | |
1517 | mutex_unlock(&state->lock); | |
1518 | ||
1519 | return ret; | |
1520 | } | |
1521 | ||
1522 | static const struct v4l2_subdev_pad_ops s5k5baf_cis_pad_ops = { | |
1523 | .enum_mbus_code = s5k5baf_enum_mbus_code, | |
1524 | .enum_frame_size = s5k5baf_enum_frame_size, | |
1525 | .get_fmt = s5k5baf_get_fmt, | |
1526 | .set_fmt = s5k5baf_set_fmt, | |
1527 | }; | |
1528 | ||
1529 | static const struct v4l2_subdev_pad_ops s5k5baf_pad_ops = { | |
1530 | .enum_mbus_code = s5k5baf_enum_mbus_code, | |
1531 | .enum_frame_size = s5k5baf_enum_frame_size, | |
1532 | .enum_frame_interval = s5k5baf_enum_frame_interval, | |
1533 | .get_fmt = s5k5baf_get_fmt, | |
1534 | .set_fmt = s5k5baf_set_fmt, | |
1535 | .get_selection = s5k5baf_get_selection, | |
1536 | .set_selection = s5k5baf_set_selection, | |
1537 | }; | |
1538 | ||
1539 | static const struct v4l2_subdev_video_ops s5k5baf_video_ops = { | |
1540 | .g_frame_interval = s5k5baf_g_frame_interval, | |
1541 | .s_frame_interval = s5k5baf_s_frame_interval, | |
1542 | .s_stream = s5k5baf_s_stream, | |
1543 | }; | |
1544 | ||
1545 | /* | |
1546 | * V4L2 subdev controls | |
1547 | */ | |
1548 | ||
1549 | static int s5k5baf_s_ctrl(struct v4l2_ctrl *ctrl) | |
1550 | { | |
1551 | struct v4l2_subdev *sd = ctrl_to_sd(ctrl); | |
1552 | struct s5k5baf *state = to_s5k5baf(sd); | |
1553 | int ret; | |
1554 | ||
1555 | v4l2_dbg(1, debug, sd, "ctrl: %s, value: %d\n", ctrl->name, ctrl->val); | |
1556 | ||
1557 | mutex_lock(&state->lock); | |
1558 | ||
1559 | if (state->power == 0) | |
1560 | goto unlock; | |
1561 | ||
1562 | switch (ctrl->id) { | |
1563 | case V4L2_CID_AUTO_WHITE_BALANCE: | |
1564 | s5k5baf_hw_set_awb(state, ctrl->val); | |
1565 | break; | |
1566 | ||
1567 | case V4L2_CID_BRIGHTNESS: | |
1568 | s5k5baf_write(state, REG_USER_BRIGHTNESS, ctrl->val); | |
1569 | break; | |
1570 | ||
1571 | case V4L2_CID_COLORFX: | |
1572 | s5k5baf_hw_set_colorfx(state, ctrl->val); | |
1573 | break; | |
1574 | ||
1575 | case V4L2_CID_CONTRAST: | |
1576 | s5k5baf_write(state, REG_USER_CONTRAST, ctrl->val); | |
1577 | break; | |
1578 | ||
1579 | case V4L2_CID_EXPOSURE_AUTO: | |
1580 | s5k5baf_hw_set_auto_exposure(state, ctrl->val); | |
1581 | break; | |
1582 | ||
1583 | case V4L2_CID_HFLIP: | |
1584 | s5k5baf_hw_set_mirror(state); | |
1585 | break; | |
1586 | ||
1587 | case V4L2_CID_POWER_LINE_FREQUENCY: | |
1588 | s5k5baf_hw_set_anti_flicker(state, ctrl->val); | |
1589 | break; | |
1590 | ||
1591 | case V4L2_CID_SATURATION: | |
1592 | s5k5baf_write(state, REG_USER_SATURATION, ctrl->val); | |
1593 | break; | |
1594 | ||
1595 | case V4L2_CID_SHARPNESS: | |
1596 | s5k5baf_write(state, REG_USER_SHARPBLUR, ctrl->val); | |
1597 | break; | |
1598 | ||
1599 | case V4L2_CID_WHITE_BALANCE_TEMPERATURE: | |
1600 | s5k5baf_write(state, REG_P_COLORTEMP(0), ctrl->val); | |
1601 | if (state->apply_cfg) | |
1602 | s5k5baf_hw_sync_cfg(state); | |
1603 | break; | |
1604 | ||
1605 | case V4L2_CID_TEST_PATTERN: | |
1606 | s5k5baf_hw_set_test_pattern(state, ctrl->val); | |
1607 | break; | |
1608 | } | |
1609 | unlock: | |
1610 | ret = s5k5baf_clear_error(state); | |
1611 | mutex_unlock(&state->lock); | |
1612 | return ret; | |
1613 | } | |
1614 | ||
1615 | static const struct v4l2_ctrl_ops s5k5baf_ctrl_ops = { | |
1616 | .s_ctrl = s5k5baf_s_ctrl, | |
1617 | }; | |
1618 | ||
1619 | static const char * const s5k5baf_test_pattern_menu[] = { | |
1620 | "Disabled", | |
1621 | "Blank", | |
1622 | "Bars", | |
1623 | "Gradients", | |
1624 | "Textile", | |
1625 | "Textile2", | |
1626 | "Squares" | |
1627 | }; | |
1628 | ||
1629 | static int s5k5baf_initialize_ctrls(struct s5k5baf *state) | |
1630 | { | |
1631 | const struct v4l2_ctrl_ops *ops = &s5k5baf_ctrl_ops; | |
1632 | struct s5k5baf_ctrls *ctrls = &state->ctrls; | |
1633 | struct v4l2_ctrl_handler *hdl = &ctrls->handler; | |
1634 | int ret; | |
1635 | ||
1636 | ret = v4l2_ctrl_handler_init(hdl, 16); | |
1637 | if (ret < 0) { | |
1638 | v4l2_err(&state->sd, "cannot init ctrl handler (%d)\n", ret); | |
1639 | return ret; | |
1640 | } | |
1641 | ||
1642 | /* Auto white balance cluster */ | |
1643 | ctrls->awb = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTO_WHITE_BALANCE, | |
1644 | 0, 1, 1, 1); | |
1645 | ctrls->gain_red = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, | |
1646 | 0, 255, 1, S5K5BAF_GAIN_RED_DEF); | |
1647 | ctrls->gain_blue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, | |
1648 | 0, 255, 1, S5K5BAF_GAIN_BLUE_DEF); | |
1649 | v4l2_ctrl_auto_cluster(3, &ctrls->awb, 0, false); | |
1650 | ||
1651 | ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 0, 1, 1, 0); | |
1652 | ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 0, 1, 1, 0); | |
1653 | v4l2_ctrl_cluster(2, &ctrls->hflip); | |
1654 | ||
1655 | ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, | |
1656 | V4L2_CID_EXPOSURE_AUTO, | |
1657 | V4L2_EXPOSURE_MANUAL, 0, V4L2_EXPOSURE_AUTO); | |
1658 | /* Exposure time: x 1 us */ | |
1659 | ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, | |
1660 | 0, 6000000U, 1, 100000U); | |
1661 | /* Total gain: 256 <=> 1x */ | |
1662 | ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_GAIN, | |
1663 | 0, 256, 1, 256); | |
1664 | v4l2_ctrl_auto_cluster(3, &ctrls->auto_exp, 0, false); | |
1665 | ||
1666 | v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_POWER_LINE_FREQUENCY, | |
1667 | V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, | |
1668 | V4L2_CID_POWER_LINE_FREQUENCY_AUTO); | |
1669 | ||
1670 | v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_COLORFX, | |
1671 | V4L2_COLORFX_SKY_BLUE, ~0x6f, V4L2_COLORFX_NONE); | |
1672 | ||
1673 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_WHITE_BALANCE_TEMPERATURE, | |
1674 | 0, 256, 1, 0); | |
1675 | ||
1676 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, -127, 127, 1, 0); | |
1677 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BRIGHTNESS, -127, 127, 1, 0); | |
1678 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, -127, 127, 1, 0); | |
1679 | v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SHARPNESS, -127, 127, 1, 0); | |
1680 | ||
1681 | v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, | |
1682 | ARRAY_SIZE(s5k5baf_test_pattern_menu) - 1, | |
1683 | 0, 0, s5k5baf_test_pattern_menu); | |
1684 | ||
1685 | if (hdl->error) { | |
1686 | v4l2_err(&state->sd, "error creating controls (%d)\n", | |
1687 | hdl->error); | |
1688 | ret = hdl->error; | |
1689 | v4l2_ctrl_handler_free(hdl); | |
1690 | return ret; | |
1691 | } | |
1692 | ||
1693 | state->sd.ctrl_handler = hdl; | |
1694 | return 0; | |
1695 | } | |
1696 | ||
1697 | /* | |
1698 | * V4L2 subdev internal operations | |
1699 | */ | |
1700 | static int s5k5baf_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) | |
1701 | { | |
1702 | struct v4l2_mbus_framefmt *mf; | |
1703 | ||
f7234138 | 1704 | mf = v4l2_subdev_get_try_format(sd, fh->pad, PAD_CIS); |
7d459937 AH |
1705 | s5k5baf_try_cis_format(mf); |
1706 | ||
1707 | if (s5k5baf_is_cis_subdev(sd)) | |
1708 | return 0; | |
1709 | ||
f7234138 | 1710 | mf = v4l2_subdev_get_try_format(sd, fh->pad, PAD_OUT); |
7d459937 AH |
1711 | mf->colorspace = s5k5baf_formats[0].colorspace; |
1712 | mf->code = s5k5baf_formats[0].code; | |
1713 | mf->width = s5k5baf_cis_rect.width; | |
1714 | mf->height = s5k5baf_cis_rect.height; | |
1715 | mf->field = V4L2_FIELD_NONE; | |
1716 | ||
f7234138 HV |
1717 | *v4l2_subdev_get_try_crop(sd, fh->pad, PAD_CIS) = s5k5baf_cis_rect; |
1718 | *v4l2_subdev_get_try_compose(sd, fh->pad, PAD_CIS) = s5k5baf_cis_rect; | |
1719 | *v4l2_subdev_get_try_crop(sd, fh->pad, PAD_OUT) = s5k5baf_cis_rect; | |
7d459937 AH |
1720 | |
1721 | return 0; | |
1722 | } | |
1723 | ||
1724 | static int s5k5baf_check_fw_revision(struct s5k5baf *state) | |
1725 | { | |
1726 | u16 api_ver = 0, fw_rev = 0, s_id = 0; | |
1727 | int ret; | |
1728 | ||
1729 | api_ver = s5k5baf_read(state, REG_FW_APIVER); | |
1730 | fw_rev = s5k5baf_read(state, REG_FW_REVISION) & 0xff; | |
1731 | s_id = s5k5baf_read(state, REG_FW_SENSOR_ID); | |
1732 | ret = s5k5baf_clear_error(state); | |
1733 | if (ret < 0) | |
1734 | return ret; | |
1735 | ||
1736 | v4l2_info(&state->sd, "FW API=%#x, revision=%#x sensor_id=%#x\n", | |
1737 | api_ver, fw_rev, s_id); | |
1738 | ||
1739 | if (api_ver != S5K5BAF_FW_APIVER) { | |
1740 | v4l2_err(&state->sd, "FW API version not supported\n"); | |
1741 | return -ENODEV; | |
1742 | } | |
1743 | ||
1744 | return 0; | |
1745 | } | |
1746 | ||
1747 | static int s5k5baf_registered(struct v4l2_subdev *sd) | |
1748 | { | |
1749 | struct s5k5baf *state = to_s5k5baf(sd); | |
1750 | int ret; | |
1751 | ||
1752 | ret = v4l2_device_register_subdev(sd->v4l2_dev, &state->cis_sd); | |
1753 | if (ret < 0) | |
1754 | v4l2_err(sd, "failed to register subdev %s\n", | |
1755 | state->cis_sd.name); | |
1756 | else | |
1757 | ret = media_entity_create_link(&state->cis_sd.entity, PAD_CIS, | |
1758 | &state->sd.entity, PAD_CIS, | |
1759 | MEDIA_LNK_FL_IMMUTABLE | | |
1760 | MEDIA_LNK_FL_ENABLED); | |
1761 | return ret; | |
1762 | } | |
1763 | ||
1764 | static void s5k5baf_unregistered(struct v4l2_subdev *sd) | |
1765 | { | |
1766 | struct s5k5baf *state = to_s5k5baf(sd); | |
1767 | v4l2_device_unregister_subdev(&state->cis_sd); | |
1768 | } | |
1769 | ||
1770 | static const struct v4l2_subdev_ops s5k5baf_cis_subdev_ops = { | |
1771 | .pad = &s5k5baf_cis_pad_ops, | |
1772 | }; | |
1773 | ||
1774 | static const struct v4l2_subdev_internal_ops s5k5baf_cis_subdev_internal_ops = { | |
1775 | .open = s5k5baf_open, | |
1776 | }; | |
1777 | ||
1778 | static const struct v4l2_subdev_internal_ops s5k5baf_subdev_internal_ops = { | |
1779 | .registered = s5k5baf_registered, | |
1780 | .unregistered = s5k5baf_unregistered, | |
1781 | .open = s5k5baf_open, | |
1782 | }; | |
1783 | ||
1784 | static const struct v4l2_subdev_core_ops s5k5baf_core_ops = { | |
1785 | .s_power = s5k5baf_set_power, | |
1786 | .log_status = v4l2_ctrl_subdev_log_status, | |
1787 | }; | |
1788 | ||
1789 | static const struct v4l2_subdev_ops s5k5baf_subdev_ops = { | |
1790 | .core = &s5k5baf_core_ops, | |
1791 | .pad = &s5k5baf_pad_ops, | |
1792 | .video = &s5k5baf_video_ops, | |
1793 | }; | |
1794 | ||
1795 | static int s5k5baf_configure_gpios(struct s5k5baf *state) | |
1796 | { | |
0348bb1a | 1797 | static const char * const name[] = { "S5K5BAF_STBY", "S5K5BAF_RST" }; |
7d459937 AH |
1798 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); |
1799 | struct s5k5baf_gpio *g = state->gpios; | |
1800 | int ret, i; | |
1801 | ||
1802 | for (i = 0; i < NUM_GPIOS; ++i) { | |
1803 | int flags = GPIOF_DIR_OUT; | |
1804 | if (g[i].level) | |
1805 | flags |= GPIOF_INIT_HIGH; | |
1806 | ret = devm_gpio_request_one(&c->dev, g[i].gpio, flags, name[i]); | |
1807 | if (ret < 0) { | |
1808 | v4l2_err(c, "failed to request gpio %s\n", name[i]); | |
1809 | return ret; | |
1810 | } | |
1811 | } | |
1812 | return 0; | |
1813 | } | |
1814 | ||
1815 | static int s5k5baf_parse_gpios(struct s5k5baf_gpio *gpios, struct device *dev) | |
1816 | { | |
1817 | static const char * const names[] = { | |
1818 | "stbyn-gpios", | |
1819 | "rstn-gpios", | |
1820 | }; | |
1821 | struct device_node *node = dev->of_node; | |
1822 | enum of_gpio_flags flags; | |
1823 | int ret, i; | |
1824 | ||
1825 | for (i = 0; i < NUM_GPIOS; ++i) { | |
1826 | ret = of_get_named_gpio_flags(node, names[i], 0, &flags); | |
1827 | if (ret < 0) { | |
1828 | dev_err(dev, "no %s GPIO pin provided\n", names[i]); | |
1829 | return ret; | |
1830 | } | |
1831 | gpios[i].gpio = ret; | |
1832 | gpios[i].level = !(flags & OF_GPIO_ACTIVE_LOW); | |
1833 | } | |
1834 | ||
1835 | return 0; | |
1836 | } | |
1837 | ||
1838 | static int s5k5baf_parse_device_node(struct s5k5baf *state, struct device *dev) | |
1839 | { | |
1840 | struct device_node *node = dev->of_node; | |
1841 | struct device_node *node_ep; | |
1842 | struct v4l2_of_endpoint ep; | |
1843 | int ret; | |
1844 | ||
1845 | if (!node) { | |
1846 | dev_err(dev, "no device-tree node provided\n"); | |
1847 | return -EINVAL; | |
1848 | } | |
1849 | ||
1850 | ret = of_property_read_u32(node, "clock-frequency", | |
1851 | &state->mclk_frequency); | |
1852 | if (ret < 0) { | |
1853 | state->mclk_frequency = S5K5BAF_DEFAULT_MCLK_FREQ; | |
1854 | dev_info(dev, "using default %u Hz clock frequency\n", | |
1855 | state->mclk_frequency); | |
1856 | } | |
1857 | ||
1858 | ret = s5k5baf_parse_gpios(state->gpios, dev); | |
1859 | if (ret < 0) | |
1860 | return ret; | |
1861 | ||
fd9fdb78 | 1862 | node_ep = of_graph_get_next_endpoint(node, NULL); |
7d459937 AH |
1863 | if (!node_ep) { |
1864 | dev_err(dev, "no endpoint defined at node %s\n", | |
1865 | node->full_name); | |
1866 | return -EINVAL; | |
1867 | } | |
1868 | ||
1869 | v4l2_of_parse_endpoint(node_ep, &ep); | |
1870 | of_node_put(node_ep); | |
1871 | state->bus_type = ep.bus_type; | |
1872 | ||
1873 | switch (state->bus_type) { | |
1874 | case V4L2_MBUS_CSI2: | |
1875 | state->nlanes = ep.bus.mipi_csi2.num_data_lanes; | |
1876 | break; | |
1877 | case V4L2_MBUS_PARALLEL: | |
1878 | break; | |
1879 | default: | |
1880 | dev_err(dev, "unsupported bus in endpoint defined at node %s\n", | |
1881 | node->full_name); | |
1882 | return -EINVAL; | |
1883 | } | |
1884 | ||
1885 | return 0; | |
1886 | } | |
1887 | ||
1888 | static int s5k5baf_configure_subdevs(struct s5k5baf *state, | |
1889 | struct i2c_client *c) | |
1890 | { | |
1891 | struct v4l2_subdev *sd; | |
1892 | int ret; | |
1893 | ||
1894 | sd = &state->cis_sd; | |
1895 | v4l2_subdev_init(sd, &s5k5baf_cis_subdev_ops); | |
1896 | sd->owner = THIS_MODULE; | |
1897 | v4l2_set_subdevdata(sd, state); | |
1898 | snprintf(sd->name, sizeof(sd->name), "S5K5BAF-CIS %d-%04x", | |
1899 | i2c_adapter_id(c->adapter), c->addr); | |
1900 | ||
1901 | sd->internal_ops = &s5k5baf_cis_subdev_internal_ops; | |
1902 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; | |
1903 | ||
1904 | state->cis_pad.flags = MEDIA_PAD_FL_SOURCE; | |
1905 | sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV_SENSOR; | |
1906 | ret = media_entity_init(&sd->entity, NUM_CIS_PADS, &state->cis_pad, 0); | |
1907 | if (ret < 0) | |
1908 | goto err; | |
1909 | ||
1910 | sd = &state->sd; | |
1911 | v4l2_i2c_subdev_init(sd, c, &s5k5baf_subdev_ops); | |
1912 | snprintf(sd->name, sizeof(sd->name), "S5K5BAF-ISP %d-%04x", | |
1913 | i2c_adapter_id(c->adapter), c->addr); | |
1914 | ||
1915 | sd->internal_ops = &s5k5baf_subdev_internal_ops; | |
1916 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; | |
1917 | ||
1918 | state->pads[PAD_CIS].flags = MEDIA_PAD_FL_SINK; | |
1919 | state->pads[PAD_OUT].flags = MEDIA_PAD_FL_SOURCE; | |
1920 | sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV; | |
1921 | ret = media_entity_init(&sd->entity, NUM_ISP_PADS, state->pads, 0); | |
1922 | ||
1923 | if (!ret) | |
1924 | return 0; | |
1925 | ||
1926 | media_entity_cleanup(&state->cis_sd.entity); | |
1927 | err: | |
1928 | dev_err(&c->dev, "cannot init media entity %s\n", sd->name); | |
1929 | return ret; | |
1930 | } | |
1931 | ||
1932 | static int s5k5baf_configure_regulators(struct s5k5baf *state) | |
1933 | { | |
1934 | struct i2c_client *c = v4l2_get_subdevdata(&state->sd); | |
1935 | int ret; | |
1936 | int i; | |
1937 | ||
1938 | for (i = 0; i < S5K5BAF_NUM_SUPPLIES; i++) | |
1939 | state->supplies[i].supply = s5k5baf_supply_names[i]; | |
1940 | ||
1941 | ret = devm_regulator_bulk_get(&c->dev, S5K5BAF_NUM_SUPPLIES, | |
1942 | state->supplies); | |
1943 | if (ret < 0) | |
1944 | v4l2_err(c, "failed to get regulators\n"); | |
1945 | return ret; | |
1946 | } | |
1947 | ||
1948 | static int s5k5baf_probe(struct i2c_client *c, | |
1949 | const struct i2c_device_id *id) | |
1950 | { | |
1951 | struct s5k5baf *state; | |
1952 | int ret; | |
1953 | ||
1954 | state = devm_kzalloc(&c->dev, sizeof(*state), GFP_KERNEL); | |
1955 | if (!state) | |
1956 | return -ENOMEM; | |
1957 | ||
1958 | mutex_init(&state->lock); | |
1959 | state->crop_sink = s5k5baf_cis_rect; | |
1960 | state->compose = s5k5baf_cis_rect; | |
1961 | state->crop_source = s5k5baf_cis_rect; | |
1962 | ||
1963 | ret = s5k5baf_parse_device_node(state, &c->dev); | |
1964 | if (ret < 0) | |
1965 | return ret; | |
1966 | ||
1967 | ret = s5k5baf_configure_subdevs(state, c); | |
1968 | if (ret < 0) | |
1969 | return ret; | |
1970 | ||
1971 | ret = s5k5baf_configure_gpios(state); | |
1972 | if (ret < 0) | |
1973 | goto err_me; | |
1974 | ||
1975 | ret = s5k5baf_configure_regulators(state); | |
1976 | if (ret < 0) | |
1977 | goto err_me; | |
1978 | ||
1979 | state->clock = devm_clk_get(state->sd.dev, S5K5BAF_CLK_NAME); | |
1980 | if (IS_ERR(state->clock)) { | |
1981 | ret = -EPROBE_DEFER; | |
1982 | goto err_me; | |
1983 | } | |
1984 | ||
1985 | ret = s5k5baf_power_on(state); | |
1986 | if (ret < 0) { | |
1987 | ret = -EPROBE_DEFER; | |
1988 | goto err_me; | |
1989 | } | |
1990 | s5k5baf_hw_init(state); | |
1991 | ret = s5k5baf_check_fw_revision(state); | |
1992 | ||
1993 | s5k5baf_power_off(state); | |
1994 | if (ret < 0) | |
1995 | goto err_me; | |
1996 | ||
1997 | ret = s5k5baf_initialize_ctrls(state); | |
1998 | if (ret < 0) | |
1999 | goto err_me; | |
2000 | ||
2001 | ret = v4l2_async_register_subdev(&state->sd); | |
2002 | if (ret < 0) | |
2003 | goto err_ctrl; | |
2004 | ||
2005 | return 0; | |
2006 | ||
2007 | err_ctrl: | |
2008 | v4l2_ctrl_handler_free(state->sd.ctrl_handler); | |
2009 | err_me: | |
2010 | media_entity_cleanup(&state->sd.entity); | |
2011 | media_entity_cleanup(&state->cis_sd.entity); | |
2012 | return ret; | |
2013 | } | |
2014 | ||
2015 | static int s5k5baf_remove(struct i2c_client *c) | |
2016 | { | |
2017 | struct v4l2_subdev *sd = i2c_get_clientdata(c); | |
2018 | struct s5k5baf *state = to_s5k5baf(sd); | |
2019 | ||
2020 | v4l2_async_unregister_subdev(sd); | |
2021 | v4l2_ctrl_handler_free(sd->ctrl_handler); | |
2022 | media_entity_cleanup(&sd->entity); | |
2023 | ||
2024 | sd = &state->cis_sd; | |
2025 | v4l2_device_unregister_subdev(sd); | |
2026 | media_entity_cleanup(&sd->entity); | |
2027 | ||
2028 | return 0; | |
2029 | } | |
2030 | ||
2031 | static const struct i2c_device_id s5k5baf_id[] = { | |
2032 | { S5K5BAF_DRIVER_NAME, 0 }, | |
2033 | { }, | |
2034 | }; | |
2035 | MODULE_DEVICE_TABLE(i2c, s5k5baf_id); | |
2036 | ||
2037 | static const struct of_device_id s5k5baf_of_match[] = { | |
2038 | { .compatible = "samsung,s5k5baf" }, | |
2039 | { } | |
2040 | }; | |
2041 | MODULE_DEVICE_TABLE(of, s5k5baf_of_match); | |
2042 | ||
2043 | static struct i2c_driver s5k5baf_i2c_driver = { | |
2044 | .driver = { | |
2045 | .of_match_table = s5k5baf_of_match, | |
2046 | .name = S5K5BAF_DRIVER_NAME | |
2047 | }, | |
2048 | .probe = s5k5baf_probe, | |
2049 | .remove = s5k5baf_remove, | |
2050 | .id_table = s5k5baf_id, | |
2051 | }; | |
2052 | ||
2053 | module_i2c_driver(s5k5baf_i2c_driver); | |
2054 | ||
2055 | MODULE_DESCRIPTION("Samsung S5K5BAF(X) UXGA camera driver"); | |
2056 | MODULE_AUTHOR("Andrzej Hajda <a.hajda@samsung.com>"); | |
2057 | MODULE_LICENSE("GPL v2"); |