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authorAndrzej Hajda <a.hajda@samsung.com>2012-11-22 09:39:18 -0500
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-02-05 14:39:04 -0500
commitcac47f1822fcb97018e24b05a7fb31f11a6bc28c (patch)
tree12f68b61d933c8885354b388244cce9136f571f6 /drivers/media
parent6e83e6e25eb49dc57a69b3f8ecc1e764c9775101 (diff)
[media] V4L: Add S5C73M3 camera driver
Add driver for S5C73M3 image sensor. The driver exposes the sensor as two subdevs: pure sensor and output interface. Two subdev architecture supports interleaved UYVY/JPEG image format with separate frame size for both sub-formats, there is a spearate pad for each sub-format. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/i2c/Kconfig7
-rw-r--r--drivers/media/i2c/Makefile1
-rw-r--r--drivers/media/i2c/s5c73m3/Makefile2
-rw-r--r--drivers/media/i2c/s5c73m3/s5c73m3-core.c1706
-rw-r--r--drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c563
-rw-r--r--drivers/media/i2c/s5c73m3/s5c73m3-spi.c156
-rw-r--r--drivers/media/i2c/s5c73m3/s5c73m3.h459
7 files changed, 2894 insertions, 0 deletions
diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index d73078cdffec..ecdf7e3fdcf4 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -523,6 +523,13 @@ config VIDEO_S5K4ECGX
523 523
524source "drivers/media/i2c/smiapp/Kconfig" 524source "drivers/media/i2c/smiapp/Kconfig"
525 525
526config VIDEO_S5C73M3
527 tristate "Samsung S5C73M3 sensor support"
528 depends on I2C && SPI && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API
529 ---help---
530 This is a V4L2 sensor-level driver for Samsung S5C73M3
531 8 Mpixel camera.
532
526comment "Flash devices" 533comment "Flash devices"
527 534
528config VIDEO_ADP1653 535config VIDEO_ADP1653
diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile
index 8b62e54d3884..b35e25798cd3 100644
--- a/drivers/media/i2c/Makefile
+++ b/drivers/media/i2c/Makefile
@@ -59,6 +59,7 @@ obj-$(CONFIG_VIDEO_SR030PC30) += sr030pc30.o
59obj-$(CONFIG_VIDEO_NOON010PC30) += noon010pc30.o 59obj-$(CONFIG_VIDEO_NOON010PC30) += noon010pc30.o
60obj-$(CONFIG_VIDEO_S5K6AA) += s5k6aa.o 60obj-$(CONFIG_VIDEO_S5K6AA) += s5k6aa.o
61obj-$(CONFIG_VIDEO_S5K4ECGX) += s5k4ecgx.o 61obj-$(CONFIG_VIDEO_S5K4ECGX) += s5k4ecgx.o
62obj-$(CONFIG_VIDEO_S5C73M3) += s5c73m3/
62obj-$(CONFIG_VIDEO_ADP1653) += adp1653.o 63obj-$(CONFIG_VIDEO_ADP1653) += adp1653.o
63obj-$(CONFIG_VIDEO_AS3645A) += as3645a.o 64obj-$(CONFIG_VIDEO_AS3645A) += as3645a.o
64obj-$(CONFIG_VIDEO_SMIAPP_PLL) += smiapp-pll.o 65obj-$(CONFIG_VIDEO_SMIAPP_PLL) += smiapp-pll.o
diff --git a/drivers/media/i2c/s5c73m3/Makefile b/drivers/media/i2c/s5c73m3/Makefile
new file mode 100644
index 000000000000..fa4df342d1f1
--- /dev/null
+++ b/drivers/media/i2c/s5c73m3/Makefile
@@ -0,0 +1,2 @@
1s5c73m3-objs := s5c73m3-core.o s5c73m3-spi.o s5c73m3-ctrls.o
2obj-$(CONFIG_VIDEO_S5C73M3) += s5c73m3.o
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
new file mode 100644
index 000000000000..600909ddb150
--- /dev/null
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
@@ -0,0 +1,1706 @@
1/*
2 * Samsung LSI S5C73M3 8M pixel camera driver
3 *
4 * Copyright (C) 2012, Samsung Electronics, Co., Ltd.
5 * Sylwester Nawrocki <s.nawrocki@samsung.com>
6 * Andrzej Hajda <a.hajda@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17
18#include <linux/sizes.h>
19#include <linux/delay.h>
20#include <linux/firmware.h>
21#include <linux/gpio.h>
22#include <linux/i2c.h>
23#include <linux/init.h>
24#include <linux/media.h>
25#include <linux/module.h>
26#include <linux/regulator/consumer.h>
27#include <linux/slab.h>
28#include <linux/spi/spi.h>
29#include <linux/videodev2.h>
30#include <media/media-entity.h>
31#include <media/v4l2-ctrls.h>
32#include <media/v4l2-device.h>
33#include <media/v4l2-subdev.h>
34#include <media/v4l2-mediabus.h>
35#include <media/s5c73m3.h>
36
37#include "s5c73m3.h"
38
39int s5c73m3_dbg;
40module_param_named(debug, s5c73m3_dbg, int, 0644);
41
42int boot_from_rom = 1;
43module_param(boot_from_rom, int, 0644);
44
45int update_fw;
46module_param(update_fw, int, 0644);
47
48#define S5C73M3_EMBEDDED_DATA_MAXLEN SZ_4K
49
50static const char * const s5c73m3_supply_names[S5C73M3_MAX_SUPPLIES] = {
51 "vdd-int", /* Digital Core supply (1.2V), CAM_ISP_CORE_1.2V */
52 "vdda", /* Analog Core supply (1.2V), CAM_SENSOR_CORE_1.2V */
53 "vdd-reg", /* Regulator input supply (2.8V), CAM_SENSOR_A2.8V */
54 "vddio-host", /* Digital Host I/O power supply (1.8V...2.8V),
55 CAM_ISP_SENSOR_1.8V */
56 "vddio-cis", /* Digital CIS I/O power (1.2V...1.8V),
57 CAM_ISP_MIPI_1.2V */
58 "vdd-af", /* Lens, CAM_AF_2.8V */
59};
60
61static const struct s5c73m3_frame_size s5c73m3_isp_resolutions[] = {
62 { 320, 240, COMM_CHG_MODE_YUV_320_240 },
63 { 352, 288, COMM_CHG_MODE_YUV_352_288 },
64 { 640, 480, COMM_CHG_MODE_YUV_640_480 },
65 { 880, 720, COMM_CHG_MODE_YUV_880_720 },
66 { 960, 720, COMM_CHG_MODE_YUV_960_720 },
67 { 1008, 672, COMM_CHG_MODE_YUV_1008_672 },
68 { 1184, 666, COMM_CHG_MODE_YUV_1184_666 },
69 { 1280, 720, COMM_CHG_MODE_YUV_1280_720 },
70 { 1536, 864, COMM_CHG_MODE_YUV_1536_864 },
71 { 1600, 1200, COMM_CHG_MODE_YUV_1600_1200 },
72 { 1632, 1224, COMM_CHG_MODE_YUV_1632_1224 },
73 { 1920, 1080, COMM_CHG_MODE_YUV_1920_1080 },
74 { 1920, 1440, COMM_CHG_MODE_YUV_1920_1440 },
75 { 2304, 1296, COMM_CHG_MODE_YUV_2304_1296 },
76 { 3264, 2448, COMM_CHG_MODE_YUV_3264_2448 },
77};
78
79static const struct s5c73m3_frame_size s5c73m3_jpeg_resolutions[] = {
80 { 640, 480, COMM_CHG_MODE_JPEG_640_480 },
81 { 800, 450, COMM_CHG_MODE_JPEG_800_450 },
82 { 800, 600, COMM_CHG_MODE_JPEG_800_600 },
83 { 1024, 768, COMM_CHG_MODE_JPEG_1024_768 },
84 { 1280, 720, COMM_CHG_MODE_JPEG_1280_720 },
85 { 1280, 960, COMM_CHG_MODE_JPEG_1280_960 },
86 { 1600, 900, COMM_CHG_MODE_JPEG_1600_900 },
87 { 1600, 1200, COMM_CHG_MODE_JPEG_1600_1200 },
88 { 2048, 1152, COMM_CHG_MODE_JPEG_2048_1152 },
89 { 2048, 1536, COMM_CHG_MODE_JPEG_2048_1536 },
90 { 2560, 1440, COMM_CHG_MODE_JPEG_2560_1440 },
91 { 2560, 1920, COMM_CHG_MODE_JPEG_2560_1920 },
92 { 3264, 1836, COMM_CHG_MODE_JPEG_3264_1836 },
93 { 3264, 2176, COMM_CHG_MODE_JPEG_3264_2176 },
94 { 3264, 2448, COMM_CHG_MODE_JPEG_3264_2448 },
95};
96
97static const struct s5c73m3_frame_size * const s5c73m3_resolutions[] = {
98 [RES_ISP] = s5c73m3_isp_resolutions,
99 [RES_JPEG] = s5c73m3_jpeg_resolutions
100};
101
102static const int s5c73m3_resolutions_len[] = {
103 [RES_ISP] = ARRAY_SIZE(s5c73m3_isp_resolutions),
104 [RES_JPEG] = ARRAY_SIZE(s5c73m3_jpeg_resolutions)
105};
106
107static const struct s5c73m3_interval s5c73m3_intervals[] = {
108 { COMM_FRAME_RATE_FIXED_7FPS, {142857, 1000000}, {3264, 2448} },
109 { COMM_FRAME_RATE_FIXED_15FPS, {66667, 1000000}, {3264, 2448} },
110 { COMM_FRAME_RATE_FIXED_20FPS, {50000, 1000000}, {2304, 1296} },
111 { COMM_FRAME_RATE_FIXED_30FPS, {33333, 1000000}, {2304, 1296} },
112};
113
114#define S5C73M3_DEFAULT_FRAME_INTERVAL 3 /* 30 fps */
115
116static void s5c73m3_fill_mbus_fmt(struct v4l2_mbus_framefmt *mf,
117 const struct s5c73m3_frame_size *fs,
118 u32 code)
119{
120 mf->width = fs->width;
121 mf->height = fs->height;
122 mf->code = code;
123 mf->colorspace = V4L2_COLORSPACE_JPEG;
124 mf->field = V4L2_FIELD_NONE;
125}
126
127static int s5c73m3_i2c_write(struct i2c_client *client, u16 addr, u16 data)
128{
129 u8 buf[4] = { addr >> 8, addr & 0xff, data >> 8, data & 0xff };
130
131 int ret = i2c_master_send(client, buf, sizeof(buf));
132
133 v4l_dbg(4, s5c73m3_dbg, client, "%s: addr 0x%04x, data 0x%04x\n",
134 __func__, addr, data);
135
136 if (ret == 4)
137 return 0;
138
139 return ret < 0 ? ret : -EREMOTEIO;
140}
141
142static int s5c73m3_i2c_read(struct i2c_client *client, u16 addr, u16 *data)
143{
144 int ret;
145 u8 rbuf[2], wbuf[2] = { addr >> 8, addr & 0xff };
146 struct i2c_msg msg[2] = {
147 {
148 .addr = client->addr,
149 .flags = 0,
150 .len = sizeof(wbuf),
151 .buf = wbuf
152 }, {
153 .addr = client->addr,
154 .flags = I2C_M_RD,
155 .len = sizeof(rbuf),
156 .buf = rbuf
157 }
158 };
159 /*
160 * Issue repeated START after writing 2 address bytes and
161 * just one STOP only after reading the data bytes.
162 */
163 ret = i2c_transfer(client->adapter, msg, 2);
164 if (ret == 2) {
165 *data = be16_to_cpup((u16 *)rbuf);
166 v4l2_dbg(4, s5c73m3_dbg, client,
167 "%s: addr: 0x%04x, data: 0x%04x\n",
168 __func__, addr, *data);
169 return 0;
170 }
171
172 v4l2_err(client, "I2C read failed: addr: %04x, (%d)\n", addr, ret);
173
174 return ret >= 0 ? -EREMOTEIO : ret;
175}
176
177int s5c73m3_write(struct s5c73m3 *state, u32 addr, u16 data)
178{
179 struct i2c_client *client = state->i2c_client;
180 int ret;
181
182 if ((addr ^ state->i2c_write_address) & 0xffff0000) {
183 ret = s5c73m3_i2c_write(client, REG_CMDWR_ADDRH, addr >> 16);
184 if (ret < 0) {
185 state->i2c_write_address = 0;
186 return ret;
187 }
188 }
189
190 if ((addr ^ state->i2c_write_address) & 0xffff) {
191 ret = s5c73m3_i2c_write(client, REG_CMDWR_ADDRL, addr & 0xffff);
192 if (ret < 0) {
193 state->i2c_write_address = 0;
194 return ret;
195 }
196 }
197
198 state->i2c_write_address = addr;
199
200 ret = s5c73m3_i2c_write(client, REG_CMDBUF_ADDR, data);
201 if (ret < 0)
202 return ret;
203
204 state->i2c_write_address += 2;
205
206 return ret;
207}
208
209int s5c73m3_read(struct s5c73m3 *state, u32 addr, u16 *data)
210{
211 struct i2c_client *client = state->i2c_client;
212 int ret;
213
214 if ((addr ^ state->i2c_read_address) & 0xffff0000) {
215 ret = s5c73m3_i2c_write(client, REG_CMDRD_ADDRH, addr >> 16);
216 if (ret < 0) {
217 state->i2c_read_address = 0;
218 return ret;
219 }
220 }
221
222 if ((addr ^ state->i2c_read_address) & 0xffff) {
223 ret = s5c73m3_i2c_write(client, REG_CMDRD_ADDRL, addr & 0xffff);
224 if (ret < 0) {
225 state->i2c_read_address = 0;
226 return ret;
227 }
228 }
229
230 state->i2c_read_address = addr;
231
232 ret = s5c73m3_i2c_read(client, REG_CMDBUF_ADDR, data);
233 if (ret < 0)
234 return ret;
235
236 state->i2c_read_address += 2;
237
238 return ret;
239}
240
241static int s5c73m3_check_status(struct s5c73m3 *state, unsigned int value)
242{
243 unsigned long start = jiffies;
244 unsigned long end = start + msecs_to_jiffies(2000);
245 int ret = 0;
246 u16 status;
247 int count = 0;
248
249 while (time_is_after_jiffies(end)) {
250 ret = s5c73m3_read(state, REG_STATUS, &status);
251 if (ret < 0 || status == value)
252 break;
253 usleep_range(500, 1000);
254 ++count;
255 }
256
257 if (count > 0)
258 v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
259 "status check took %dms\n",
260 jiffies_to_msecs(jiffies - start));
261
262 if (ret == 0 && status != value) {
263 u16 i2c_status = 0;
264 u16 i2c_seq_status = 0;
265
266 s5c73m3_read(state, REG_I2C_STATUS, &i2c_status);
267 s5c73m3_read(state, REG_I2C_SEQ_STATUS, &i2c_seq_status);
268
269 v4l2_err(&state->sensor_sd,
270 "wrong status %#x, expected: %#x, i2c_status: %#x/%#x\n",
271 status, value, i2c_status, i2c_seq_status);
272
273 return -ETIMEDOUT;
274 }
275
276 return ret;
277}
278
279int s5c73m3_isp_command(struct s5c73m3 *state, u16 command, u16 data)
280{
281 int ret;
282
283 ret = s5c73m3_check_status(state, REG_STATUS_ISP_COMMAND_COMPLETED);
284 if (ret < 0)
285 return ret;
286
287 ret = s5c73m3_write(state, 0x00095000, command);
288 if (ret < 0)
289 return ret;
290
291 ret = s5c73m3_write(state, 0x00095002, data);
292 if (ret < 0)
293 return ret;
294
295 return s5c73m3_write(state, REG_STATUS, 0x0001);
296}
297
298int s5c73m3_isp_comm_result(struct s5c73m3 *state, u16 command, u16 *data)
299{
300 return s5c73m3_read(state, COMM_RESULT_OFFSET + command, data);
301}
302
303static int s5c73m3_set_af_softlanding(struct s5c73m3 *state)
304{
305 unsigned long start = jiffies;
306 u16 af_softlanding;
307 int count = 0;
308 int ret;
309 const char *msg;
310
311 ret = s5c73m3_isp_command(state, COMM_AF_SOFTLANDING,
312 COMM_AF_SOFTLANDING_ON);
313 if (ret < 0) {
314 v4l2_info(&state->sensor_sd, "AF soft-landing failed\n");
315 return ret;
316 }
317
318 for (;;) {
319 ret = s5c73m3_isp_comm_result(state, COMM_AF_SOFTLANDING,
320 &af_softlanding);
321 if (ret < 0) {
322 msg = "failed";
323 break;
324 }
325 if (af_softlanding == COMM_AF_SOFTLANDING_RES_COMPLETE) {
326 msg = "succeeded";
327 break;
328 }
329 if (++count > 100) {
330 ret = -ETIME;
331 msg = "timed out";
332 break;
333 }
334 msleep(25);
335 }
336
337 v4l2_info(&state->sensor_sd, "AF soft-landing %s after %dms\n",
338 msg, jiffies_to_msecs(jiffies - start));
339
340 return ret;
341}
342
343static int s5c73m3_load_fw(struct v4l2_subdev *sd)
344{
345 struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
346 struct i2c_client *client = state->i2c_client;
347 const struct firmware *fw;
348 int ret;
349 char fw_name[20];
350
351 snprintf(fw_name, sizeof(fw_name), "SlimISP_%.2s.bin",
352 state->fw_file_version);
353 ret = request_firmware(&fw, fw_name, &client->dev);
354 if (ret < 0) {
355 v4l2_err(sd, "Firmware request failed (%s)\n", fw_name);
356 return -EINVAL;
357 }
358
359 v4l2_info(sd, "Loading firmware (%s, %d B)\n", fw_name, fw->size);
360
361 ret = s5c73m3_spi_write(state, fw->data, fw->size, 64);
362
363 if (ret >= 0)
364 state->isp_ready = 1;
365 else
366 v4l2_err(sd, "SPI write failed\n");
367
368 release_firmware(fw);
369
370 return ret;
371}
372
373static int s5c73m3_set_frame_size(struct s5c73m3 *state)
374{
375 const struct s5c73m3_frame_size *prev_size =
376 state->sensor_pix_size[RES_ISP];
377 const struct s5c73m3_frame_size *cap_size =
378 state->sensor_pix_size[RES_JPEG];
379 unsigned int chg_mode;
380
381 v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
382 "Preview size: %dx%d, reg_val: 0x%x\n",
383 prev_size->width, prev_size->height, prev_size->reg_val);
384
385 chg_mode = prev_size->reg_val | COMM_CHG_MODE_NEW;
386
387 if (state->mbus_code == S5C73M3_JPEG_FMT) {
388 v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
389 "Capture size: %dx%d, reg_val: 0x%x\n",
390 cap_size->width, cap_size->height, cap_size->reg_val);
391 chg_mode |= cap_size->reg_val;
392 }
393
394 return s5c73m3_isp_command(state, COMM_CHG_MODE, chg_mode);
395}
396
397static int s5c73m3_set_frame_rate(struct s5c73m3 *state)
398{
399 int ret;
400
401 if (state->ctrls.stabilization->val)
402 return 0;
403
404 if (WARN_ON(state->fiv == NULL))
405 return -EINVAL;
406
407 ret = s5c73m3_isp_command(state, COMM_FRAME_RATE, state->fiv->fps_reg);
408 if (!ret)
409 state->apply_fiv = 0;
410
411 return ret;
412}
413
414static int __s5c73m3_s_stream(struct s5c73m3 *state, struct v4l2_subdev *sd,
415 int on)
416{
417 u16 mode;
418 int ret;
419
420 if (on && state->apply_fmt) {
421 if (state->mbus_code == S5C73M3_JPEG_FMT)
422 mode = COMM_IMG_OUTPUT_INTERLEAVED;
423 else
424 mode = COMM_IMG_OUTPUT_YUV;
425
426 ret = s5c73m3_isp_command(state, COMM_IMG_OUTPUT, mode);
427 if (!ret)
428 ret = s5c73m3_set_frame_size(state);
429 if (ret)
430 return ret;
431 state->apply_fmt = 0;
432 }
433
434 ret = s5c73m3_isp_command(state, COMM_SENSOR_STREAMING, !!on);
435 if (ret)
436 return ret;
437
438 state->streaming = !!on;
439
440 if (!on)
441 return ret;
442
443 if (state->apply_fiv) {
444 ret = s5c73m3_set_frame_rate(state);
445 if (ret < 0)
446 v4l2_err(sd, "Error setting frame rate(%d)\n", ret);
447 }
448
449 return s5c73m3_check_status(state, REG_STATUS_ISP_COMMAND_COMPLETED);
450}
451
452static int s5c73m3_oif_s_stream(struct v4l2_subdev *sd, int on)
453{
454 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
455 int ret;
456
457 mutex_lock(&state->lock);
458 ret = __s5c73m3_s_stream(state, sd, on);
459 mutex_unlock(&state->lock);
460
461 return ret;
462}
463
464static int s5c73m3_system_status_wait(struct s5c73m3 *state, u32 value,
465 unsigned int delay, unsigned int steps)
466{
467 u16 reg = 0;
468
469 while (steps-- > 0) {
470 int ret = s5c73m3_read(state, 0x30100010, &reg);
471 if (ret < 0)
472 return ret;
473 if (reg == value)
474 return 0;
475 usleep_range(delay, delay + 25);
476 }
477 return -ETIMEDOUT;
478}
479
480static int s5c73m3_read_fw_version(struct s5c73m3 *state)
481{
482 struct v4l2_subdev *sd = &state->sensor_sd;
483 int i, ret;
484 u16 data[2];
485 int offset;
486
487 offset = state->isp_ready ? 0x60 : 0;
488
489 for (i = 0; i < S5C73M3_SENSOR_FW_LEN / 2; i++) {
490 ret = s5c73m3_read(state, offset + i * 2, data);
491 if (ret < 0)
492 return ret;
493 state->sensor_fw[i * 2] = (char)(*data & 0xff);
494 state->sensor_fw[i * 2 + 1] = (char)(*data >> 8);
495 }
496 state->sensor_fw[S5C73M3_SENSOR_FW_LEN] = '\0';
497
498
499 for (i = 0; i < S5C73M3_SENSOR_TYPE_LEN / 2; i++) {
500 ret = s5c73m3_read(state, offset + 6 + i * 2, data);
501 if (ret < 0)
502 return ret;
503 state->sensor_type[i * 2] = (char)(*data & 0xff);
504 state->sensor_type[i * 2 + 1] = (char)(*data >> 8);
505 }
506 state->sensor_type[S5C73M3_SENSOR_TYPE_LEN] = '\0';
507
508 ret = s5c73m3_read(state, offset + 0x14, data);
509 if (ret >= 0) {
510 ret = s5c73m3_read(state, offset + 0x16, data + 1);
511 if (ret >= 0)
512 state->fw_size = data[0] + (data[1] << 16);
513 }
514
515 v4l2_info(sd, "Sensor type: %s, FW version: %s\n",
516 state->sensor_type, state->sensor_fw);
517 return ret;
518}
519
520static int s5c73m3_fw_update_from(struct s5c73m3 *state)
521{
522 struct v4l2_subdev *sd = &state->sensor_sd;
523 u16 status = COMM_FW_UPDATE_NOT_READY;
524 int ret;
525 int count = 0;
526
527 v4l2_warn(sd, "Updating F-ROM firmware.\n");
528 do {
529 if (status == COMM_FW_UPDATE_NOT_READY) {
530 ret = s5c73m3_isp_command(state, COMM_FW_UPDATE, 0);
531 if (ret < 0)
532 return ret;
533 }
534
535 ret = s5c73m3_read(state, 0x00095906, &status);
536 if (ret < 0)
537 return ret;
538 switch (status) {
539 case COMM_FW_UPDATE_FAIL:
540 v4l2_warn(sd, "Updating F-ROM firmware failed.\n");
541 return -EIO;
542 case COMM_FW_UPDATE_SUCCESS:
543 v4l2_warn(sd, "Updating F-ROM firmware finished.\n");
544 return 0;
545 }
546 ++count;
547 msleep(20);
548 } while (count < 500);
549
550 v4l2_warn(sd, "Updating F-ROM firmware timed-out.\n");
551 return -ETIMEDOUT;
552}
553
554static int s5c73m3_spi_boot(struct s5c73m3 *state, bool load_fw)
555{
556 struct v4l2_subdev *sd = &state->sensor_sd;
557 int ret;
558
559 /* Run ARM MCU */
560 ret = s5c73m3_write(state, 0x30000004, 0xffff);
561 if (ret < 0)
562 return ret;
563
564 usleep_range(400, 500);
565
566 /* Check booting status */
567 ret = s5c73m3_system_status_wait(state, 0x0c, 100, 3);
568 if (ret < 0) {
569 v4l2_err(sd, "booting failed: %d\n", ret);
570 return ret;
571 }
572
573 /* P,M,S and Boot Mode */
574 ret = s5c73m3_write(state, 0x30100014, 0x2146);
575 if (ret < 0)
576 return ret;
577
578 ret = s5c73m3_write(state, 0x30100010, 0x210c);
579 if (ret < 0)
580 return ret;
581
582 usleep_range(200, 250);
583
584 /* Check SPI status */
585 ret = s5c73m3_system_status_wait(state, 0x210d, 100, 300);
586 if (ret < 0)
587 v4l2_err(sd, "SPI not ready: %d\n", ret);
588
589 /* Firmware download over SPI */
590 if (load_fw)
591 s5c73m3_load_fw(sd);
592
593 /* MCU reset */
594 ret = s5c73m3_write(state, 0x30000004, 0xfffd);
595 if (ret < 0)
596 return ret;
597
598 /* Remap */
599 ret = s5c73m3_write(state, 0x301000a4, 0x0183);
600 if (ret < 0)
601 return ret;
602
603 /* MCU restart */
604 ret = s5c73m3_write(state, 0x30000004, 0xffff);
605 if (ret < 0 || !load_fw)
606 return ret;
607
608 ret = s5c73m3_read_fw_version(state);
609 if (ret < 0)
610 return ret;
611
612 if (load_fw && update_fw) {
613 ret = s5c73m3_fw_update_from(state);
614 update_fw = 0;
615 }
616
617 return ret;
618}
619
620static int s5c73m3_set_timing_register_for_vdd(struct s5c73m3 *state)
621{
622 static const u32 regs[][2] = {
623 { 0x30100018, 0x0618 },
624 { 0x3010001c, 0x10c1 },
625 { 0x30100020, 0x249e }
626 };
627 int ret;
628 int i;
629
630 for (i = 0; i < ARRAY_SIZE(regs); i++) {
631 ret = s5c73m3_write(state, regs[i][0], regs[i][1]);
632 if (ret < 0)
633 return ret;
634 }
635
636 return 0;
637}
638
639static void s5c73m3_set_fw_file_version(struct s5c73m3 *state)
640{
641 switch (state->sensor_fw[0]) {
642 case 'G':
643 case 'O':
644 state->fw_file_version[0] = 'G';
645 break;
646 case 'S':
647 case 'Z':
648 state->fw_file_version[0] = 'Z';
649 break;
650 }
651
652 switch (state->sensor_fw[1]) {
653 case 'C'...'F':
654 state->fw_file_version[1] = state->sensor_fw[1];
655 break;
656 }
657}
658
659static int s5c73m3_get_fw_version(struct s5c73m3 *state)
660{
661 struct v4l2_subdev *sd = &state->sensor_sd;
662 int ret;
663
664 /* Run ARM MCU */
665 ret = s5c73m3_write(state, 0x30000004, 0xffff);
666 if (ret < 0)
667 return ret;
668 usleep_range(400, 500);
669
670 /* Check booting status */
671 ret = s5c73m3_system_status_wait(state, 0x0c, 100, 3);
672 if (ret < 0) {
673
674 v4l2_err(sd, "%s: booting failed: %d\n", __func__, ret);
675 return ret;
676 }
677
678 /* Change I/O Driver Current in order to read from F-ROM */
679 ret = s5c73m3_write(state, 0x30100120, 0x0820);
680 ret = s5c73m3_write(state, 0x30100124, 0x0820);
681
682 /* Offset Setting */
683 ret = s5c73m3_write(state, 0x00010418, 0x0008);
684
685 /* P,M,S and Boot Mode */
686 ret = s5c73m3_write(state, 0x30100014, 0x2146);
687 if (ret < 0)
688 return ret;
689 ret = s5c73m3_write(state, 0x30100010, 0x230c);
690 if (ret < 0)
691 return ret;
692
693 usleep_range(200, 250);
694
695 /* Check SPI status */
696 ret = s5c73m3_system_status_wait(state, 0x230e, 100, 300);
697 if (ret < 0)
698 v4l2_err(sd, "SPI not ready: %d\n", ret);
699
700 /* ARM reset */
701 ret = s5c73m3_write(state, 0x30000004, 0xfffd);
702 if (ret < 0)
703 return ret;
704
705 /* Remap */
706 ret = s5c73m3_write(state, 0x301000a4, 0x0183);
707 if (ret < 0)
708 return ret;
709
710 s5c73m3_set_timing_register_for_vdd(state);
711
712 ret = s5c73m3_read_fw_version(state);
713
714 s5c73m3_set_fw_file_version(state);
715
716 return ret;
717}
718
719static int s5c73m3_rom_boot(struct s5c73m3 *state, bool load_fw)
720{
721 static const u32 boot_regs[][2] = {
722 { 0x3100010c, 0x0044 },
723 { 0x31000108, 0x000d },
724 { 0x31000304, 0x0001 },
725 { 0x00010000, 0x5800 },
726 { 0x00010002, 0x0002 },
727 { 0x31000000, 0x0001 },
728 { 0x30100014, 0x1b85 },
729 { 0x30100010, 0x230c }
730 };
731 struct v4l2_subdev *sd = &state->sensor_sd;
732 int i, ret;
733
734 /* Run ARM MCU */
735 ret = s5c73m3_write(state, 0x30000004, 0xffff);
736 if (ret < 0)
737 return ret;
738 usleep_range(400, 450);
739
740 /* Check booting status */
741 ret = s5c73m3_system_status_wait(state, 0x0c, 100, 4);
742 if (ret < 0) {
743 v4l2_err(sd, "Booting failed: %d\n", ret);
744 return ret;
745 }
746
747 for (i = 0; i < ARRAY_SIZE(boot_regs); i++) {
748 ret = s5c73m3_write(state, boot_regs[i][0], boot_regs[i][1]);
749 if (ret < 0)
750 return ret;
751 }
752 msleep(200);
753
754 /* Check the binary read status */
755 ret = s5c73m3_system_status_wait(state, 0x230e, 1000, 150);
756 if (ret < 0) {
757 v4l2_err(sd, "Binary read failed: %d\n", ret);
758 return ret;
759 }
760
761 /* ARM reset */
762 ret = s5c73m3_write(state, 0x30000004, 0xfffd);
763 if (ret < 0)
764 return ret;
765 /* Remap */
766 ret = s5c73m3_write(state, 0x301000a4, 0x0183);
767 if (ret < 0)
768 return ret;
769 /* MCU re-start */
770 ret = s5c73m3_write(state, 0x30000004, 0xffff);
771 if (ret < 0)
772 return ret;
773
774 state->isp_ready = 1;
775
776 return s5c73m3_read_fw_version(state);
777}
778
779static int s5c73m3_isp_init(struct s5c73m3 *state)
780{
781 int ret;
782
783 state->i2c_read_address = 0;
784 state->i2c_write_address = 0;
785
786 ret = s5c73m3_i2c_write(state->i2c_client, AHB_MSB_ADDR_PTR, 0x3310);
787 if (ret < 0)
788 return ret;
789
790 if (boot_from_rom)
791 return s5c73m3_rom_boot(state, true);
792 else
793 return s5c73m3_spi_boot(state, true);
794}
795
796static const struct s5c73m3_frame_size *s5c73m3_find_frame_size(
797 struct v4l2_mbus_framefmt *fmt,
798 enum s5c73m3_resolution_types idx)
799{
800 const struct s5c73m3_frame_size *fs;
801 const struct s5c73m3_frame_size *best_fs;
802 int best_dist = INT_MAX;
803 int i;
804
805 fs = s5c73m3_resolutions[idx];
806 best_fs = NULL;
807 for (i = 0; i < s5c73m3_resolutions_len[idx]; ++i) {
808 int dist = abs(fs->width - fmt->width) +
809 abs(fs->height - fmt->height);
810 if (dist < best_dist) {
811 best_dist = dist;
812 best_fs = fs;
813 }
814 ++fs;
815 }
816
817 return best_fs;
818}
819
820static void s5c73m3_oif_try_format(struct s5c73m3 *state,
821 struct v4l2_subdev_fh *fh,
822 struct v4l2_subdev_format *fmt,
823 const struct s5c73m3_frame_size **fs)
824{
825 u32 code;
826
827 switch (fmt->pad) {
828 case OIF_ISP_PAD:
829 *fs = s5c73m3_find_frame_size(&fmt->format, RES_ISP);
830 code = S5C73M3_ISP_FMT;
831 break;
832 case OIF_JPEG_PAD:
833 *fs = s5c73m3_find_frame_size(&fmt->format, RES_JPEG);
834 code = S5C73M3_JPEG_FMT;
835 break;
836 case OIF_SOURCE_PAD:
837 default:
838 if (fmt->format.code == S5C73M3_JPEG_FMT)
839 code = S5C73M3_JPEG_FMT;
840 else
841 code = S5C73M3_ISP_FMT;
842
843 if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE)
844 *fs = state->oif_pix_size[RES_ISP];
845 else
846 *fs = s5c73m3_find_frame_size(
847 v4l2_subdev_get_try_format(fh,
848 OIF_ISP_PAD),
849 RES_ISP);
850 break;
851 }
852
853 s5c73m3_fill_mbus_fmt(&fmt->format, *fs, code);
854}
855
856static void s5c73m3_try_format(struct s5c73m3 *state,
857 struct v4l2_subdev_fh *fh,
858 struct v4l2_subdev_format *fmt,
859 const struct s5c73m3_frame_size **fs)
860{
861 u32 code;
862
863 if (fmt->pad == S5C73M3_ISP_PAD) {
864 *fs = s5c73m3_find_frame_size(&fmt->format, RES_ISP);
865 code = S5C73M3_ISP_FMT;
866 } else {
867 *fs = s5c73m3_find_frame_size(&fmt->format, RES_JPEG);
868 code = S5C73M3_JPEG_FMT;
869 }
870
871 s5c73m3_fill_mbus_fmt(&fmt->format, *fs, code);
872}
873
874static int s5c73m3_oif_g_frame_interval(struct v4l2_subdev *sd,
875 struct v4l2_subdev_frame_interval *fi)
876{
877 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
878
879 if (fi->pad != OIF_SOURCE_PAD)
880 return -EINVAL;
881
882 mutex_lock(&state->lock);
883 fi->interval = state->fiv->interval;
884 mutex_unlock(&state->lock);
885
886 return 0;
887}
888
889static int __s5c73m3_set_frame_interval(struct s5c73m3 *state,
890 struct v4l2_subdev_frame_interval *fi)
891{
892 const struct s5c73m3_frame_size *prev_size =
893 state->sensor_pix_size[RES_ISP];
894 const struct s5c73m3_interval *fiv = &s5c73m3_intervals[0];
895 unsigned int ret, min_err = UINT_MAX;
896 unsigned int i, fr_time;
897
898 if (fi->interval.denominator == 0)
899 return -EINVAL;
900
901 fr_time = fi->interval.numerator * 1000 / fi->interval.denominator;
902
903 for (i = 0; i < ARRAY_SIZE(s5c73m3_intervals); i++) {
904 const struct s5c73m3_interval *iv = &s5c73m3_intervals[i];
905
906 if (prev_size->width > iv->size.width ||
907 prev_size->height > iv->size.height)
908 continue;
909
910 ret = abs(iv->interval.numerator / 1000 - fr_time);
911 if (ret < min_err) {
912 fiv = iv;
913 min_err = ret;
914 }
915 }
916 state->fiv = fiv;
917
918 v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
919 "Changed frame interval to %u us\n", fiv->interval.numerator);
920 return 0;
921}
922
923static int s5c73m3_oif_s_frame_interval(struct v4l2_subdev *sd,
924 struct v4l2_subdev_frame_interval *fi)
925{
926 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
927 int ret;
928
929 if (fi->pad != OIF_SOURCE_PAD)
930 return -EINVAL;
931
932 v4l2_dbg(1, s5c73m3_dbg, sd, "Setting %d/%d frame interval\n",
933 fi->interval.numerator, fi->interval.denominator);
934
935 mutex_lock(&state->lock);
936
937 ret = __s5c73m3_set_frame_interval(state, fi);
938 if (!ret) {
939 if (state->streaming)
940 ret = s5c73m3_set_frame_rate(state);
941 else
942 state->apply_fiv = 1;
943 }
944 mutex_unlock(&state->lock);
945 return ret;
946}
947
948static int s5c73m3_oif_enum_frame_interval(struct v4l2_subdev *sd,
949 struct v4l2_subdev_fh *fh,
950 struct v4l2_subdev_frame_interval_enum *fie)
951{
952 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
953 const struct s5c73m3_interval *fi;
954 int ret = 0;
955
956 if (fie->pad != OIF_SOURCE_PAD)
957 return -EINVAL;
958 if (fie->index > ARRAY_SIZE(s5c73m3_intervals))
959 return -EINVAL;
960
961 mutex_lock(&state->lock);
962 fi = &s5c73m3_intervals[fie->index];
963 if (fie->width > fi->size.width || fie->height > fi->size.height)
964 ret = -EINVAL;
965 else
966 fie->interval = fi->interval;
967 mutex_unlock(&state->lock);
968
969 return ret;
970}
971
972static int s5c73m3_oif_get_pad_code(int pad, int index)
973{
974 if (pad == OIF_SOURCE_PAD) {
975 if (index > 1)
976 return -EINVAL;
977 return (index == 0) ? S5C73M3_ISP_FMT : S5C73M3_JPEG_FMT;
978 }
979
980 if (index > 0)
981 return -EINVAL;
982
983 return (pad == OIF_ISP_PAD) ? S5C73M3_ISP_FMT : S5C73M3_JPEG_FMT;
984}
985
986static int s5c73m3_get_fmt(struct v4l2_subdev *sd,
987 struct v4l2_subdev_fh *fh,
988 struct v4l2_subdev_format *fmt)
989{
990 struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
991 const struct s5c73m3_frame_size *fs;
992 u32 code;
993
994 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
995 fmt->format = *v4l2_subdev_get_try_format(fh, fmt->pad);
996 return 0;
997 }
998
999 mutex_lock(&state->lock);
1000
1001 switch (fmt->pad) {
1002 case S5C73M3_ISP_PAD:
1003 code = S5C73M3_ISP_FMT;
1004 fs = state->sensor_pix_size[RES_ISP];
1005 break;
1006 case S5C73M3_JPEG_PAD:
1007 code = S5C73M3_JPEG_FMT;
1008 fs = state->sensor_pix_size[RES_JPEG];
1009 break;
1010 default:
1011 mutex_unlock(&state->lock);
1012 return -EINVAL;
1013 }
1014 s5c73m3_fill_mbus_fmt(&fmt->format, fs, code);
1015
1016 mutex_unlock(&state->lock);
1017 return 0;
1018}
1019
1020static int s5c73m3_oif_get_fmt(struct v4l2_subdev *sd,
1021 struct v4l2_subdev_fh *fh,
1022 struct v4l2_subdev_format *fmt)
1023{
1024 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
1025 const struct s5c73m3_frame_size *fs;
1026 u32 code;
1027
1028 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
1029 fmt->format = *v4l2_subdev_get_try_format(fh, fmt->pad);
1030 return 0;
1031 }
1032
1033 mutex_lock(&state->lock);
1034
1035 switch (fmt->pad) {
1036 case OIF_ISP_PAD:
1037 code = S5C73M3_ISP_FMT;
1038 fs = state->oif_pix_size[RES_ISP];
1039 break;
1040 case OIF_JPEG_PAD:
1041 code = S5C73M3_JPEG_FMT;
1042 fs = state->oif_pix_size[RES_JPEG];
1043 break;
1044 case OIF_SOURCE_PAD:
1045 code = state->mbus_code;
1046 fs = state->oif_pix_size[RES_ISP];
1047 break;
1048 default:
1049 mutex_unlock(&state->lock);
1050 return -EINVAL;
1051 }
1052 s5c73m3_fill_mbus_fmt(&fmt->format, fs, code);
1053
1054 mutex_unlock(&state->lock);
1055 return 0;
1056}
1057
1058static int s5c73m3_set_fmt(struct v4l2_subdev *sd,
1059 struct v4l2_subdev_fh *fh,
1060 struct v4l2_subdev_format *fmt)
1061{
1062 const struct s5c73m3_frame_size *frame_size = NULL;
1063 struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
1064 struct v4l2_mbus_framefmt *mf;
1065 int ret = 0;
1066
1067 mutex_lock(&state->lock);
1068
1069 s5c73m3_try_format(state, fh, fmt, &frame_size);
1070
1071 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
1072 mf = v4l2_subdev_get_try_format(fh, fmt->pad);
1073 *mf = fmt->format;
1074 } else {
1075 switch (fmt->pad) {
1076 case S5C73M3_ISP_PAD:
1077 state->sensor_pix_size[RES_ISP] = frame_size;
1078 break;
1079 case S5C73M3_JPEG_PAD:
1080 state->sensor_pix_size[RES_JPEG] = frame_size;
1081 break;
1082 default:
1083 ret = -EBUSY;
1084 }
1085
1086 if (state->streaming)
1087 ret = -EBUSY;
1088 else
1089 state->apply_fmt = 1;
1090 }
1091
1092 mutex_unlock(&state->lock);
1093
1094 return ret;
1095}
1096
1097static int s5c73m3_oif_set_fmt(struct v4l2_subdev *sd,
1098 struct v4l2_subdev_fh *fh,
1099 struct v4l2_subdev_format *fmt)
1100{
1101 const struct s5c73m3_frame_size *frame_size = NULL;
1102 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
1103 struct v4l2_mbus_framefmt *mf;
1104 int ret = 0;
1105
1106 mutex_lock(&state->lock);
1107
1108 s5c73m3_oif_try_format(state, fh, fmt, &frame_size);
1109
1110 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
1111 mf = v4l2_subdev_get_try_format(fh, fmt->pad);
1112 *mf = fmt->format;
1113 } else {
1114 switch (fmt->pad) {
1115 case OIF_ISP_PAD:
1116 state->oif_pix_size[RES_ISP] = frame_size;
1117 break;
1118 case OIF_JPEG_PAD:
1119 state->oif_pix_size[RES_JPEG] = frame_size;
1120 break;
1121 case OIF_SOURCE_PAD:
1122 state->mbus_code = fmt->format.code;
1123 break;
1124 default:
1125 ret = -EBUSY;
1126 }
1127
1128 if (state->streaming)
1129 ret = -EBUSY;
1130 else
1131 state->apply_fmt = 1;
1132 }
1133
1134 mutex_unlock(&state->lock);
1135
1136 return ret;
1137}
1138
1139static int s5c73m3_oif_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
1140 struct v4l2_mbus_frame_desc *fd)
1141{
1142 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
1143 int i;
1144
1145 if (pad != OIF_SOURCE_PAD || fd == NULL)
1146 return -EINVAL;
1147
1148 mutex_lock(&state->lock);
1149 fd->num_entries = 2;
1150 for (i = 0; i < fd->num_entries; i++)
1151 fd->entry[i] = state->frame_desc.entry[i];
1152 mutex_unlock(&state->lock);
1153
1154 return 0;
1155}
1156
1157static int s5c73m3_oif_set_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
1158 struct v4l2_mbus_frame_desc *fd)
1159{
1160 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
1161 struct v4l2_mbus_frame_desc *frame_desc = &state->frame_desc;
1162 int i;
1163
1164 if (pad != OIF_SOURCE_PAD || fd == NULL)
1165 return -EINVAL;
1166
1167 fd->entry[0].length = 10 * SZ_1M;
1168 fd->entry[1].length = max_t(u32, fd->entry[1].length,
1169 S5C73M3_EMBEDDED_DATA_MAXLEN);
1170 fd->num_entries = 2;
1171
1172 mutex_lock(&state->lock);
1173 for (i = 0; i < fd->num_entries; i++)
1174 frame_desc->entry[i] = fd->entry[i];
1175 mutex_unlock(&state->lock);
1176
1177 return 0;
1178}
1179
1180static int s5c73m3_enum_mbus_code(struct v4l2_subdev *sd,
1181 struct v4l2_subdev_fh *fh,
1182 struct v4l2_subdev_mbus_code_enum *code)
1183{
1184 static const int codes[] = {
1185 [S5C73M3_ISP_PAD] = S5C73M3_ISP_FMT,
1186 [S5C73M3_JPEG_PAD] = S5C73M3_JPEG_FMT};
1187
1188 if (code->index > 0 || code->pad >= S5C73M3_NUM_PADS)
1189 return -EINVAL;
1190
1191 code->code = codes[code->pad];
1192
1193 return 0;
1194}
1195
1196static int s5c73m3_oif_enum_mbus_code(struct v4l2_subdev *sd,
1197 struct v4l2_subdev_fh *fh,
1198 struct v4l2_subdev_mbus_code_enum *code)
1199{
1200 int ret;
1201
1202 ret = s5c73m3_oif_get_pad_code(code->pad, code->index);
1203 if (ret < 0)
1204 return ret;
1205
1206 code->code = ret;
1207
1208 return 0;
1209}
1210
1211static int s5c73m3_enum_frame_size(struct v4l2_subdev *sd,
1212 struct v4l2_subdev_fh *fh,
1213 struct v4l2_subdev_frame_size_enum *fse)
1214{
1215 int idx;
1216
1217 if (fse->pad == S5C73M3_ISP_PAD) {
1218 if (fse->code != S5C73M3_ISP_FMT)
1219 return -EINVAL;
1220 idx = RES_ISP;
1221 } else{
1222 if (fse->code != S5C73M3_JPEG_FMT)
1223 return -EINVAL;
1224 idx = RES_JPEG;
1225 }
1226
1227 if (fse->index >= s5c73m3_resolutions_len[idx])
1228 return -EINVAL;
1229
1230 fse->min_width = s5c73m3_resolutions[idx][fse->index].width;
1231 fse->max_width = fse->min_width;
1232 fse->max_height = s5c73m3_resolutions[idx][fse->index].height;
1233 fse->min_height = fse->max_height;
1234
1235 return 0;
1236}
1237
1238static int s5c73m3_oif_enum_frame_size(struct v4l2_subdev *sd,
1239 struct v4l2_subdev_fh *fh,
1240 struct v4l2_subdev_frame_size_enum *fse)
1241{
1242 int idx;
1243
1244 if (fse->pad == OIF_SOURCE_PAD) {
1245 if (fse->index > 0)
1246 return -EINVAL;
1247
1248 switch (fse->code) {
1249 case S5C73M3_JPEG_FMT:
1250 case S5C73M3_ISP_FMT: {
1251 struct v4l2_mbus_framefmt *mf =
1252 v4l2_subdev_get_try_format(fh, OIF_ISP_PAD);
1253
1254 fse->max_width = fse->min_width = mf->width;
1255 fse->max_height = fse->min_height = mf->height;
1256 return 0;
1257 }
1258 default:
1259 return -EINVAL;
1260 }
1261 }
1262
1263 if (fse->code != s5c73m3_oif_get_pad_code(fse->pad, 0))
1264 return -EINVAL;
1265
1266 if (fse->pad == OIF_JPEG_PAD)
1267 idx = RES_JPEG;
1268 else
1269 idx = RES_ISP;
1270
1271 if (fse->index >= s5c73m3_resolutions_len[idx])
1272 return -EINVAL;
1273
1274 fse->min_width = s5c73m3_resolutions[idx][fse->index].width;
1275 fse->max_width = fse->min_width;
1276 fse->max_height = s5c73m3_resolutions[idx][fse->index].height;
1277 fse->min_height = fse->max_height;
1278
1279 return 0;
1280}
1281
1282static int s5c73m3_oif_log_status(struct v4l2_subdev *sd)
1283{
1284 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
1285
1286 v4l2_ctrl_handler_log_status(sd->ctrl_handler, sd->name);
1287
1288 v4l2_info(sd, "power: %d, apply_fmt: %d\n", state->power,
1289 state->apply_fmt);
1290
1291 return 0;
1292}
1293
1294static int s5c73m3_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1295{
1296 struct v4l2_mbus_framefmt *mf;
1297
1298 mf = v4l2_subdev_get_try_format(fh, S5C73M3_ISP_PAD);
1299 s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
1300 S5C73M3_ISP_FMT);
1301
1302 mf = v4l2_subdev_get_try_format(fh, S5C73M3_JPEG_PAD);
1303 s5c73m3_fill_mbus_fmt(mf, &s5c73m3_jpeg_resolutions[1],
1304 S5C73M3_JPEG_FMT);
1305
1306 return 0;
1307}
1308
1309static int s5c73m3_oif_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1310{
1311 struct v4l2_mbus_framefmt *mf;
1312
1313 mf = v4l2_subdev_get_try_format(fh, OIF_ISP_PAD);
1314 s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
1315 S5C73M3_ISP_FMT);
1316
1317 mf = v4l2_subdev_get_try_format(fh, OIF_JPEG_PAD);
1318 s5c73m3_fill_mbus_fmt(mf, &s5c73m3_jpeg_resolutions[1],
1319 S5C73M3_JPEG_FMT);
1320
1321 mf = v4l2_subdev_get_try_format(fh, OIF_SOURCE_PAD);
1322 s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
1323 S5C73M3_ISP_FMT);
1324 return 0;
1325}
1326
1327static int s5c73m3_gpio_set_value(struct s5c73m3 *priv, int id, u32 val)
1328{
1329 if (!gpio_is_valid(priv->gpio[id].gpio))
1330 return 0;
1331 gpio_set_value(priv->gpio[id].gpio, !!val);
1332 return 1;
1333}
1334
1335static int s5c73m3_gpio_assert(struct s5c73m3 *priv, int id)
1336{
1337 return s5c73m3_gpio_set_value(priv, id, priv->gpio[id].level);
1338}
1339
1340static int s5c73m3_gpio_deassert(struct s5c73m3 *priv, int id)
1341{
1342 return s5c73m3_gpio_set_value(priv, id, !priv->gpio[id].level);
1343}
1344
1345static int __s5c73m3_power_on(struct s5c73m3 *state)
1346{
1347 int i, ret;
1348
1349 for (i = 0; i < S5C73M3_MAX_SUPPLIES; i++) {
1350 ret = regulator_enable(state->supplies[i].consumer);
1351 if (ret)
1352 goto err;
1353 }
1354
1355 s5c73m3_gpio_deassert(state, STBY);
1356 usleep_range(100, 200);
1357
1358 s5c73m3_gpio_deassert(state, RST);
1359 usleep_range(50, 100);
1360
1361 return 0;
1362err:
1363 for (--i; i >= 0; i--)
1364 regulator_disable(state->supplies[i].consumer);
1365 return ret;
1366}
1367
1368static int __s5c73m3_power_off(struct s5c73m3 *state)
1369{
1370 int i, ret;
1371
1372 if (s5c73m3_gpio_assert(state, RST))
1373 usleep_range(10, 50);
1374
1375 if (s5c73m3_gpio_assert(state, STBY))
1376 usleep_range(100, 200);
1377 state->streaming = 0;
1378 state->isp_ready = 0;
1379
1380 for (i = S5C73M3_MAX_SUPPLIES - 1; i >= 0; i--) {
1381 ret = regulator_disable(state->supplies[i].consumer);
1382 if (ret)
1383 goto err;
1384 }
1385 return 0;
1386err:
1387 for (++i; i < S5C73M3_MAX_SUPPLIES; i++)
1388 regulator_enable(state->supplies[i].consumer);
1389
1390 return ret;
1391}
1392
1393static int s5c73m3_oif_set_power(struct v4l2_subdev *sd, int on)
1394{
1395 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
1396 int ret = 0;
1397
1398 mutex_lock(&state->lock);
1399
1400 if (on && !state->power) {
1401 ret = __s5c73m3_power_on(state);
1402 if (!ret)
1403 ret = s5c73m3_isp_init(state);
1404 if (!ret) {
1405 state->apply_fiv = 1;
1406 state->apply_fmt = 1;
1407 }
1408 } else if (!on == state->power) {
1409 ret = s5c73m3_set_af_softlanding(state);
1410 if (!ret)
1411 ret = __s5c73m3_power_off(state);
1412 else
1413 v4l2_err(sd, "Soft landing lens failed\n");
1414 }
1415 if (!ret)
1416 state->power += on ? 1 : -1;
1417
1418 v4l2_dbg(1, s5c73m3_dbg, sd, "%s: power: %d\n",
1419 __func__, state->power);
1420
1421 mutex_unlock(&state->lock);
1422 return ret;
1423}
1424
1425static int s5c73m3_oif_registered(struct v4l2_subdev *sd)
1426{
1427 struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
1428 int ret;
1429
1430 ret = v4l2_device_register_subdev(sd->v4l2_dev, &state->sensor_sd);
1431 if (ret) {
1432 v4l2_err(sd->v4l2_dev, "Failed to register %s\n",
1433 state->oif_sd.name);
1434 return ret;
1435 }
1436
1437 ret = media_entity_create_link(&state->sensor_sd.entity,
1438 S5C73M3_ISP_PAD, &state->oif_sd.entity, OIF_ISP_PAD,
1439 MEDIA_LNK_FL_IMMUTABLE | MEDIA_LNK_FL_ENABLED);
1440
1441 ret = media_entity_create_link(&state->sensor_sd.entity,
1442 S5C73M3_JPEG_PAD, &state->oif_sd.entity, OIF_JPEG_PAD,
1443 MEDIA_LNK_FL_IMMUTABLE | MEDIA_LNK_FL_ENABLED);
1444
1445 mutex_lock(&state->lock);
1446 ret = __s5c73m3_power_on(state);
1447 if (ret == 0)
1448 s5c73m3_get_fw_version(state);
1449
1450 __s5c73m3_power_off(state);
1451 mutex_unlock(&state->lock);
1452
1453 v4l2_dbg(1, s5c73m3_dbg, sd, "%s: Booting %s (%d)\n",
1454 __func__, ret ? "failed" : "succeded", ret);
1455
1456 return ret;
1457}
1458
1459static const struct v4l2_subdev_internal_ops s5c73m3_internal_ops = {
1460 .open = s5c73m3_open,
1461};
1462
1463static const struct v4l2_subdev_pad_ops s5c73m3_pad_ops = {
1464 .enum_mbus_code = s5c73m3_enum_mbus_code,
1465 .enum_frame_size = s5c73m3_enum_frame_size,
1466 .get_fmt = s5c73m3_get_fmt,
1467 .set_fmt = s5c73m3_set_fmt,
1468};
1469
1470static const struct v4l2_subdev_ops s5c73m3_subdev_ops = {
1471 .pad = &s5c73m3_pad_ops,
1472};
1473
1474static const struct v4l2_subdev_internal_ops oif_internal_ops = {
1475 .registered = s5c73m3_oif_registered,
1476 .open = s5c73m3_oif_open,
1477};
1478
1479static const struct v4l2_subdev_pad_ops s5c73m3_oif_pad_ops = {
1480 .enum_mbus_code = s5c73m3_oif_enum_mbus_code,
1481 .enum_frame_size = s5c73m3_oif_enum_frame_size,
1482 .enum_frame_interval = s5c73m3_oif_enum_frame_interval,
1483 .get_fmt = s5c73m3_oif_get_fmt,
1484 .set_fmt = s5c73m3_oif_set_fmt,
1485 .get_frame_desc = s5c73m3_oif_get_frame_desc,
1486 .set_frame_desc = s5c73m3_oif_set_frame_desc,
1487};
1488
1489static const struct v4l2_subdev_core_ops s5c73m3_oif_core_ops = {
1490 .s_power = s5c73m3_oif_set_power,
1491 .log_status = s5c73m3_oif_log_status,
1492};
1493
1494static const struct v4l2_subdev_video_ops s5c73m3_oif_video_ops = {
1495 .s_stream = s5c73m3_oif_s_stream,
1496 .g_frame_interval = s5c73m3_oif_g_frame_interval,
1497 .s_frame_interval = s5c73m3_oif_s_frame_interval,
1498};
1499
1500static const struct v4l2_subdev_ops oif_subdev_ops = {
1501 .core = &s5c73m3_oif_core_ops,
1502 .pad = &s5c73m3_oif_pad_ops,
1503 .video = &s5c73m3_oif_video_ops,
1504};
1505
1506static int s5c73m3_configure_gpio(int nr, int val, const char *name)
1507{
1508 unsigned long flags = val ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
1509 int ret;
1510
1511 if (!gpio_is_valid(nr))
1512 return 0;
1513 ret = gpio_request_one(nr, flags, name);
1514 if (!ret)
1515 gpio_export(nr, 0);
1516 return ret;
1517}
1518
1519static int s5c73m3_free_gpios(struct s5c73m3 *state)
1520{
1521 int i;
1522
1523 for (i = 0; i < ARRAY_SIZE(state->gpio); i++) {
1524 if (!gpio_is_valid(state->gpio[i].gpio))
1525 continue;
1526 gpio_free(state->gpio[i].gpio);
1527 state->gpio[i].gpio = -EINVAL;
1528 }
1529 return 0;
1530}
1531
1532static int s5c73m3_configure_gpios(struct s5c73m3 *state,
1533 const struct s5c73m3_platform_data *pdata)
1534{
1535 const struct s5c73m3_gpio *gpio = &pdata->gpio_stby;
1536 int ret;
1537
1538 state->gpio[STBY].gpio = -EINVAL;
1539 state->gpio[RST].gpio = -EINVAL;
1540
1541 ret = s5c73m3_configure_gpio(gpio->gpio, gpio->level, "S5C73M3_STBY");
1542 if (ret) {
1543 s5c73m3_free_gpios(state);
1544 return ret;
1545 }
1546 state->gpio[STBY] = *gpio;
1547 if (gpio_is_valid(gpio->gpio))
1548 gpio_set_value(gpio->gpio, 0);
1549
1550 gpio = &pdata->gpio_reset;
1551 ret = s5c73m3_configure_gpio(gpio->gpio, gpio->level, "S5C73M3_RST");
1552 if (ret) {
1553 s5c73m3_free_gpios(state);
1554 return ret;
1555 }
1556 state->gpio[RST] = *gpio;
1557 if (gpio_is_valid(gpio->gpio))
1558 gpio_set_value(gpio->gpio, 0);
1559
1560 return 0;
1561}
1562
1563static int __devinit s5c73m3_probe(struct i2c_client *client,
1564 const struct i2c_device_id *id)
1565{
1566 struct device *dev = &client->dev;
1567 const struct s5c73m3_platform_data *pdata = client->dev.platform_data;
1568 struct v4l2_subdev *sd;
1569 struct v4l2_subdev *oif_sd;
1570 struct s5c73m3 *state;
1571 int ret, i;
1572
1573 if (pdata == NULL) {
1574 dev_err(&client->dev, "Platform data not specified\n");
1575 return -EINVAL;
1576 }
1577
1578 state = devm_kzalloc(dev, sizeof(*state), GFP_KERNEL);
1579 if (!state)
1580 return -ENOMEM;
1581
1582 mutex_init(&state->lock);
1583 sd = &state->sensor_sd;
1584 oif_sd = &state->oif_sd;
1585
1586 v4l2_subdev_init(sd, &s5c73m3_subdev_ops);
1587 sd->owner = client->driver->driver.owner;
1588 v4l2_set_subdevdata(sd, state);
1589 strlcpy(sd->name, "S5C73M3", sizeof(sd->name));
1590
1591 sd->internal_ops = &s5c73m3_internal_ops;
1592 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1593
1594 state->sensor_pads[S5C73M3_JPEG_PAD].flags = MEDIA_PAD_FL_SOURCE;
1595 state->sensor_pads[S5C73M3_ISP_PAD].flags = MEDIA_PAD_FL_SOURCE;
1596 sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
1597
1598 ret = media_entity_init(&sd->entity, S5C73M3_NUM_PADS,
1599 state->sensor_pads, 0);
1600 if (ret < 0)
1601 return ret;
1602
1603 v4l2_i2c_subdev_init(oif_sd, client, &oif_subdev_ops);
1604 strcpy(oif_sd->name, "S5C73M3-OIF");
1605
1606 oif_sd->internal_ops = &oif_internal_ops;
1607 oif_sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1608
1609 state->oif_pads[OIF_ISP_PAD].flags = MEDIA_PAD_FL_SINK;
1610 state->oif_pads[OIF_JPEG_PAD].flags = MEDIA_PAD_FL_SINK;
1611 state->oif_pads[OIF_SOURCE_PAD].flags = MEDIA_PAD_FL_SOURCE;
1612 oif_sd->entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
1613
1614 ret = media_entity_init(&oif_sd->entity, OIF_NUM_PADS,
1615 state->oif_pads, 0);
1616 if (ret < 0)
1617 return ret;
1618
1619 state->mclk_frequency = pdata->mclk_frequency;
1620 state->bus_type = pdata->bus_type;
1621
1622 ret = s5c73m3_configure_gpios(state, pdata);
1623 if (ret)
1624 goto out_err1;
1625
1626 for (i = 0; i < S5C73M3_MAX_SUPPLIES; i++)
1627 state->supplies[i].supply = s5c73m3_supply_names[i];
1628
1629 ret = regulator_bulk_get(dev, S5C73M3_MAX_SUPPLIES,
1630 state->supplies);
1631 if (ret) {
1632 dev_err(dev, "failed to get regulators\n");
1633 goto out_err2;
1634 }
1635
1636 ret = s5c73m3_init_controls(state);
1637 if (ret)
1638 goto out_err3;
1639
1640 state->sensor_pix_size[RES_ISP] = &s5c73m3_isp_resolutions[1];
1641 state->sensor_pix_size[RES_JPEG] = &s5c73m3_jpeg_resolutions[1];
1642 state->oif_pix_size[RES_ISP] = state->sensor_pix_size[RES_ISP];
1643 state->oif_pix_size[RES_JPEG] = state->sensor_pix_size[RES_JPEG];
1644
1645 state->mbus_code = S5C73M3_ISP_FMT;
1646
1647 state->fiv = &s5c73m3_intervals[S5C73M3_DEFAULT_FRAME_INTERVAL];
1648
1649 state->fw_file_version[0] = 'G';
1650 state->fw_file_version[1] = 'C';
1651
1652 ret = s5c73m3_register_spi_driver(state);
1653 if (ret < 0)
1654 goto out_err3;
1655
1656 state->i2c_client = client;
1657
1658 v4l2_info(sd, "%s: completed succesfully\n", __func__);
1659 return 0;
1660
1661out_err3:
1662 regulator_bulk_free(S5C73M3_MAX_SUPPLIES, state->supplies);
1663out_err2:
1664 s5c73m3_free_gpios(state);
1665out_err1:
1666 media_entity_cleanup(&sd->entity);
1667 return ret;
1668}
1669
1670static int __devexit s5c73m3_remove(struct i2c_client *client)
1671{
1672 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1673 struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
1674
1675 v4l2_device_unregister_subdev(sd);
1676
1677 v4l2_ctrl_handler_free(sd->ctrl_handler);
1678 media_entity_cleanup(&sd->entity);
1679
1680 s5c73m3_unregister_spi_driver(state);
1681 regulator_bulk_free(S5C73M3_MAX_SUPPLIES, state->supplies);
1682 s5c73m3_free_gpios(state);
1683
1684 return 0;
1685}
1686
1687static const struct i2c_device_id s5c73m3_id[] = {
1688 { DRIVER_NAME, 0 },
1689 { }
1690};
1691MODULE_DEVICE_TABLE(i2c, s5c73m3_id);
1692
1693static struct i2c_driver s5c73m3_i2c_driver = {
1694 .driver = {
1695 .name = DRIVER_NAME,
1696 },
1697 .probe = s5c73m3_probe,
1698 .remove = __devexit_p(s5c73m3_remove),
1699 .id_table = s5c73m3_id,
1700};
1701
1702module_i2c_driver(s5c73m3_i2c_driver);
1703
1704MODULE_DESCRIPTION("Samsung S5C73M3 camera driver");
1705MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
1706MODULE_LICENSE("GPL");
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c b/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c
new file mode 100644
index 000000000000..8001cde1db1e
--- /dev/null
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-ctrls.c
@@ -0,0 +1,563 @@
1/*
2 * Samsung LSI S5C73M3 8M pixel camera driver
3 *
4 * Copyright (C) 2012, Samsung Electronics, Co., Ltd.
5 * Sylwester Nawrocki <s.nawrocki@samsung.com>
6 * Andrzej Hajda <a.hajda@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17
18#include <linux/sizes.h>
19#include <linux/delay.h>
20#include <linux/firmware.h>
21#include <linux/gpio.h>
22#include <linux/i2c.h>
23#include <linux/init.h>
24#include <linux/media.h>
25#include <linux/module.h>
26#include <linux/regulator/consumer.h>
27#include <linux/slab.h>
28#include <linux/spi/spi.h>
29#include <linux/videodev2.h>
30#include <media/media-entity.h>
31#include <media/v4l2-ctrls.h>
32#include <media/v4l2-device.h>
33#include <media/v4l2-subdev.h>
34#include <media/v4l2-mediabus.h>
35#include <media/s5c73m3.h>
36
37#include "s5c73m3.h"
38
39static int s5c73m3_get_af_status(struct s5c73m3 *state, struct v4l2_ctrl *ctrl)
40{
41 u16 reg = REG_AF_STATUS_UNFOCUSED;
42
43 int ret = s5c73m3_read(state, REG_AF_STATUS, &reg);
44
45 switch (reg) {
46 case REG_CAF_STATUS_FIND_SEARCH_DIR:
47 case REG_AF_STATUS_FOCUSING:
48 case REG_CAF_STATUS_FOCUSING:
49 ctrl->val = V4L2_AUTO_FOCUS_STATUS_BUSY;
50 break;
51 case REG_CAF_STATUS_FOCUSED:
52 case REG_AF_STATUS_FOCUSED:
53 ctrl->val = V4L2_AUTO_FOCUS_STATUS_REACHED;
54 break;
55 default:
56 v4l2_info(&state->sensor_sd, "Unknown AF status %#x\n", reg);
57 /* Fall through */
58 case REG_CAF_STATUS_UNFOCUSED:
59 case REG_AF_STATUS_UNFOCUSED:
60 case REG_AF_STATUS_INVALID:
61 ctrl->val = V4L2_AUTO_FOCUS_STATUS_FAILED;
62 break;
63 }
64
65 return ret;
66}
67
68static int s5c73m3_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
69{
70 struct v4l2_subdev *sd = ctrl_to_sensor_sd(ctrl);
71 struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
72 int ret;
73
74 if (state->power == 0)
75 return -EBUSY;
76
77 switch (ctrl->id) {
78 case V4L2_CID_FOCUS_AUTO:
79 ret = s5c73m3_get_af_status(state, state->ctrls.af_status);
80 if (ret)
81 return ret;
82 break;
83 }
84
85 return 0;
86}
87
88static int s5c73m3_set_colorfx(struct s5c73m3 *state, int val)
89{
90 static const unsigned short colorfx[][2] = {
91 { V4L2_COLORFX_NONE, COMM_IMAGE_EFFECT_NONE },
92 { V4L2_COLORFX_BW, COMM_IMAGE_EFFECT_MONO },
93 { V4L2_COLORFX_SEPIA, COMM_IMAGE_EFFECT_SEPIA },
94 { V4L2_COLORFX_NEGATIVE, COMM_IMAGE_EFFECT_NEGATIVE },
95 { V4L2_COLORFX_AQUA, COMM_IMAGE_EFFECT_AQUA },
96 };
97 int i;
98
99 for (i = 0; i < ARRAY_SIZE(colorfx); i++) {
100 if (colorfx[i][0] != val)
101 continue;
102
103 v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
104 "Setting %s color effect\n",
105 v4l2_ctrl_get_menu(state->ctrls.colorfx->id)[i]);
106
107 return s5c73m3_isp_command(state, COMM_IMAGE_EFFECT,
108 colorfx[i][1]);
109 }
110 return -EINVAL;
111}
112
113/* Set exposure metering/exposure bias */
114static int s5c73m3_set_exposure(struct s5c73m3 *state, int auto_exp)
115{
116 struct v4l2_subdev *sd = &state->sensor_sd;
117 struct s5c73m3_ctrls *ctrls = &state->ctrls;
118 int ret = 0;
119
120 if (ctrls->exposure_metering->is_new) {
121 u16 metering;
122
123 switch (ctrls->exposure_metering->val) {
124 case V4L2_EXPOSURE_METERING_CENTER_WEIGHTED:
125 metering = COMM_METERING_CENTER;
126 break;
127 case V4L2_EXPOSURE_METERING_SPOT:
128 metering = COMM_METERING_SPOT;
129 break;
130 default:
131 metering = COMM_METERING_AVERAGE;
132 break;
133 }
134
135 ret = s5c73m3_isp_command(state, COMM_METERING, metering);
136 }
137
138 if (!ret && ctrls->exposure_bias->is_new) {
139 u16 exp_bias = ctrls->exposure_bias->val;
140 ret = s5c73m3_isp_command(state, COMM_EV, exp_bias);
141 }
142
143 v4l2_dbg(1, s5c73m3_dbg, sd,
144 "%s: exposure bias: %#x, metering: %#x (%d)\n", __func__,
145 ctrls->exposure_bias->val, ctrls->exposure_metering->val, ret);
146
147 return ret;
148}
149
150static int s5c73m3_set_white_balance(struct s5c73m3 *state, int val)
151{
152 static const unsigned short wb[][2] = {
153 { V4L2_WHITE_BALANCE_INCANDESCENT, COMM_AWB_MODE_INCANDESCENT},
154 { V4L2_WHITE_BALANCE_FLUORESCENT, COMM_AWB_MODE_FLUORESCENT1},
155 { V4L2_WHITE_BALANCE_FLUORESCENT_H, COMM_AWB_MODE_FLUORESCENT2},
156 { V4L2_WHITE_BALANCE_CLOUDY, COMM_AWB_MODE_CLOUDY},
157 { V4L2_WHITE_BALANCE_DAYLIGHT, COMM_AWB_MODE_DAYLIGHT},
158 { V4L2_WHITE_BALANCE_AUTO, COMM_AWB_MODE_AUTO},
159 };
160 int i;
161
162 for (i = 0; i < ARRAY_SIZE(wb); i++) {
163 if (wb[i][0] != val)
164 continue;
165
166 v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd,
167 "Setting white balance to: %s\n",
168 v4l2_ctrl_get_menu(state->ctrls.auto_wb->id)[i]);
169
170 return s5c73m3_isp_command(state, COMM_AWB_MODE, wb[i][1]);
171 }
172
173 return -EINVAL;
174}
175
176static int s5c73m3_af_run(struct s5c73m3 *state, bool on)
177{
178 struct s5c73m3_ctrls *c = &state->ctrls;
179
180 if (!on)
181 return s5c73m3_isp_command(state, COMM_AF_CON,
182 COMM_AF_CON_STOP);
183
184 if (c->focus_auto->val)
185 return s5c73m3_isp_command(state, COMM_AF_MODE,
186 COMM_AF_MODE_PREVIEW_CAF_START);
187
188 return s5c73m3_isp_command(state, COMM_AF_CON, COMM_AF_CON_START);
189}
190
191static int s5c73m3_3a_lock(struct s5c73m3 *state, struct v4l2_ctrl *ctrl)
192{
193 bool awb_lock = ctrl->val & V4L2_LOCK_WHITE_BALANCE;
194 bool ae_lock = ctrl->val & V4L2_LOCK_EXPOSURE;
195 bool af_lock = ctrl->val & V4L2_LOCK_FOCUS;
196 int ret = 0;
197
198 if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_EXPOSURE) {
199 ret = s5c73m3_isp_command(state, COMM_AE_CON,
200 ae_lock ? COMM_AE_STOP : COMM_AE_START);
201 if (ret)
202 return ret;
203 }
204
205 if (((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_WHITE_BALANCE)
206 && state->ctrls.auto_wb->val) {
207 ret = s5c73m3_isp_command(state, COMM_AWB_CON,
208 awb_lock ? COMM_AWB_STOP : COMM_AWB_START);
209 if (ret)
210 return ret;
211 }
212
213 if ((ctrl->val ^ ctrl->cur.val) & V4L2_LOCK_FOCUS)
214 ret = s5c73m3_af_run(state, ~af_lock);
215
216 return ret;
217}
218
219static int s5c73m3_set_auto_focus(struct s5c73m3 *state, int caf)
220{
221 struct s5c73m3_ctrls *c = &state->ctrls;
222 int ret = 1;
223
224 if (c->af_distance->is_new) {
225 u16 mode = (c->af_distance->val == V4L2_AUTO_FOCUS_RANGE_MACRO)
226 ? COMM_AF_MODE_MACRO : COMM_AF_MODE_NORMAL;
227 ret = s5c73m3_isp_command(state, COMM_AF_MODE, mode);
228 if (ret != 0)
229 return ret;
230 }
231
232 if (!ret || (c->focus_auto->is_new && c->focus_auto->val) ||
233 c->af_start->is_new)
234 ret = s5c73m3_af_run(state, 1);
235 else if ((c->focus_auto->is_new && !c->focus_auto->val) ||
236 c->af_stop->is_new)
237 ret = s5c73m3_af_run(state, 0);
238 else
239 ret = 0;
240
241 return ret;
242}
243
244static int s5c73m3_set_contrast(struct s5c73m3 *state, int val)
245{
246 u16 reg = (val < 0) ? -val + 2 : val;
247 return s5c73m3_isp_command(state, COMM_CONTRAST, reg);
248}
249
250static int s5c73m3_set_saturation(struct s5c73m3 *state, int val)
251{
252 u16 reg = (val < 0) ? -val + 2 : val;
253 return s5c73m3_isp_command(state, COMM_SATURATION, reg);
254}
255
256static int s5c73m3_set_sharpness(struct s5c73m3 *state, int val)
257{
258 u16 reg = (val < 0) ? -val + 2 : val;
259 return s5c73m3_isp_command(state, COMM_SHARPNESS, reg);
260}
261
262static int s5c73m3_set_iso(struct s5c73m3 *state, int val)
263{
264 u32 iso;
265
266 if (val == V4L2_ISO_SENSITIVITY_MANUAL)
267 iso = state->ctrls.iso->val + 1;
268 else
269 iso = 0;
270
271 return s5c73m3_isp_command(state, COMM_ISO, iso);
272}
273
274static int s5c73m3_set_stabilization(struct s5c73m3 *state, int val)
275{
276 struct v4l2_subdev *sd = &state->sensor_sd;
277
278 v4l2_dbg(1, s5c73m3_dbg, sd, "Image stabilization: %d\n", val);
279
280 return s5c73m3_isp_command(state, COMM_FRAME_RATE, val ?
281 COMM_FRAME_RATE_ANTI_SHAKE : COMM_FRAME_RATE_AUTO_SET);
282}
283
284static int s5c73m3_set_jpeg_quality(struct s5c73m3 *state, int quality)
285{
286 int reg;
287
288 if (quality <= 65)
289 reg = COMM_IMAGE_QUALITY_NORMAL;
290 else if (quality <= 75)
291 reg = COMM_IMAGE_QUALITY_FINE;
292 else
293 reg = COMM_IMAGE_QUALITY_SUPERFINE;
294
295 return s5c73m3_isp_command(state, COMM_IMAGE_QUALITY, reg);
296}
297
298static int s5c73m3_set_scene_program(struct s5c73m3 *state, int val)
299{
300 static const unsigned short scene_lookup[] = {
301 COMM_SCENE_MODE_NONE, /* V4L2_SCENE_MODE_NONE */
302 COMM_SCENE_MODE_AGAINST_LIGHT,/* V4L2_SCENE_MODE_BACKLIGHT */
303 COMM_SCENE_MODE_BEACH, /* V4L2_SCENE_MODE_BEACH_SNOW */
304 COMM_SCENE_MODE_CANDLE, /* V4L2_SCENE_MODE_CANDLE_LIGHT */
305 COMM_SCENE_MODE_DAWN, /* V4L2_SCENE_MODE_DAWN_DUSK */
306 COMM_SCENE_MODE_FALL, /* V4L2_SCENE_MODE_FALL_COLORS */
307 COMM_SCENE_MODE_FIRE, /* V4L2_SCENE_MODE_FIREWORKS */
308 COMM_SCENE_MODE_LANDSCAPE, /* V4L2_SCENE_MODE_LANDSCAPE */
309 COMM_SCENE_MODE_NIGHT, /* V4L2_SCENE_MODE_NIGHT */
310 COMM_SCENE_MODE_INDOOR, /* V4L2_SCENE_MODE_PARTY_INDOOR */
311 COMM_SCENE_MODE_PORTRAIT, /* V4L2_SCENE_MODE_PORTRAIT */
312 COMM_SCENE_MODE_SPORTS, /* V4L2_SCENE_MODE_SPORTS */
313 COMM_SCENE_MODE_SUNSET, /* V4L2_SCENE_MODE_SUNSET */
314 COMM_SCENE_MODE_TEXT, /* V4L2_SCENE_MODE_TEXT */
315 };
316
317 v4l2_dbg(1, s5c73m3_dbg, &state->sensor_sd, "Setting %s scene mode\n",
318 v4l2_ctrl_get_menu(state->ctrls.scene_mode->id)[val]);
319
320 return s5c73m3_isp_command(state, COMM_SCENE_MODE, scene_lookup[val]);
321}
322
323static int s5c73m3_set_power_line_freq(struct s5c73m3 *state, int val)
324{
325 unsigned int pwr_line_freq = COMM_FLICKER_NONE;
326
327 switch (val) {
328 case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:
329 pwr_line_freq = COMM_FLICKER_NONE;
330 break;
331 case V4L2_CID_POWER_LINE_FREQUENCY_50HZ:
332 pwr_line_freq = COMM_FLICKER_AUTO_50HZ;
333 break;
334 case V4L2_CID_POWER_LINE_FREQUENCY_60HZ:
335 pwr_line_freq = COMM_FLICKER_AUTO_60HZ;
336 break;
337 default:
338 case V4L2_CID_POWER_LINE_FREQUENCY_AUTO:
339 pwr_line_freq = COMM_FLICKER_NONE;
340 }
341
342 return s5c73m3_isp_command(state, COMM_FLICKER_MODE, pwr_line_freq);
343}
344
345static int s5c73m3_s_ctrl(struct v4l2_ctrl *ctrl)
346{
347 struct v4l2_subdev *sd = ctrl_to_sensor_sd(ctrl);
348 struct s5c73m3 *state = sensor_sd_to_s5c73m3(sd);
349 int ret = 0;
350
351 v4l2_dbg(1, s5c73m3_dbg, sd, "set_ctrl: %s, value: %d\n",
352 ctrl->name, ctrl->val);
353
354 mutex_lock(&state->lock);
355 /*
356 * If the device is not powered up by the host driver do
357 * not apply any controls to H/W at this time. Instead
358 * the controls will be restored right after power-up.
359 */
360 if (state->power == 0)
361 goto unlock;
362
363 if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) {
364 ret = -EINVAL;
365 goto unlock;
366 }
367
368 switch (ctrl->id) {
369 case V4L2_CID_3A_LOCK:
370 ret = s5c73m3_3a_lock(state, ctrl);
371 break;
372
373 case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
374 ret = s5c73m3_set_white_balance(state, ctrl->val);
375 break;
376
377 case V4L2_CID_CONTRAST:
378 ret = s5c73m3_set_contrast(state, ctrl->val);
379 break;
380
381 case V4L2_CID_COLORFX:
382 ret = s5c73m3_set_colorfx(state, ctrl->val);
383 break;
384
385 case V4L2_CID_EXPOSURE_AUTO:
386 ret = s5c73m3_set_exposure(state, ctrl->val);
387 break;
388
389 case V4L2_CID_FOCUS_AUTO:
390 ret = s5c73m3_set_auto_focus(state, ctrl->val);
391 break;
392
393 case V4L2_CID_IMAGE_STABILIZATION:
394 ret = s5c73m3_set_stabilization(state, ctrl->val);
395 break;
396
397 case V4L2_CID_ISO_SENSITIVITY:
398 ret = s5c73m3_set_iso(state, ctrl->val);
399 break;
400
401 case V4L2_CID_JPEG_COMPRESSION_QUALITY:
402 ret = s5c73m3_set_jpeg_quality(state, ctrl->val);
403 break;
404
405 case V4L2_CID_POWER_LINE_FREQUENCY:
406 ret = s5c73m3_set_power_line_freq(state, ctrl->val);
407 break;
408
409 case V4L2_CID_SATURATION:
410 ret = s5c73m3_set_saturation(state, ctrl->val);
411 break;
412
413 case V4L2_CID_SCENE_MODE:
414 ret = s5c73m3_set_scene_program(state, ctrl->val);
415 break;
416
417 case V4L2_CID_SHARPNESS:
418 ret = s5c73m3_set_sharpness(state, ctrl->val);
419 break;
420
421 case V4L2_CID_WIDE_DYNAMIC_RANGE:
422 ret = s5c73m3_isp_command(state, COMM_WDR, !!ctrl->val);
423 break;
424
425 case V4L2_CID_ZOOM_ABSOLUTE:
426 ret = s5c73m3_isp_command(state, COMM_ZOOM_STEP, ctrl->val);
427 break;
428 }
429unlock:
430 mutex_unlock(&state->lock);
431 return ret;
432}
433
434static const struct v4l2_ctrl_ops s5c73m3_ctrl_ops = {
435 .g_volatile_ctrl = s5c73m3_g_volatile_ctrl,
436 .s_ctrl = s5c73m3_s_ctrl,
437};
438
439/* Supported manual ISO values */
440static const s64 iso_qmenu[] = {
441 /* COMM_ISO: 0x0001...0x0004 */
442 100, 200, 400, 800,
443};
444
445/* Supported exposure bias values (-2.0EV...+2.0EV) */
446static const s64 ev_bias_qmenu[] = {
447 /* COMM_EV: 0x0000...0x0008 */
448 -2000, -1500, -1000, -500, 0, 500, 1000, 1500, 2000
449};
450
451int s5c73m3_init_controls(struct s5c73m3 *state)
452{
453 const struct v4l2_ctrl_ops *ops = &s5c73m3_ctrl_ops;
454 struct s5c73m3_ctrls *ctrls = &state->ctrls;
455 struct v4l2_ctrl_handler *hdl = &ctrls->handler;
456
457 int ret = v4l2_ctrl_handler_init(hdl, 22);
458 if (ret)
459 return ret;
460
461 /* White balance */
462 ctrls->auto_wb = v4l2_ctrl_new_std_menu(hdl, ops,
463 V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE,
464 9, ~0x15e, V4L2_WHITE_BALANCE_AUTO);
465
466 /* Exposure (only automatic exposure) */
467 ctrls->auto_exposure = v4l2_ctrl_new_std_menu(hdl, ops,
468 V4L2_CID_EXPOSURE_AUTO, 0, ~0x01, V4L2_EXPOSURE_AUTO);
469
470 ctrls->exposure_bias = v4l2_ctrl_new_int_menu(hdl, ops,
471 V4L2_CID_AUTO_EXPOSURE_BIAS,
472 ARRAY_SIZE(ev_bias_qmenu) - 1,
473 ARRAY_SIZE(ev_bias_qmenu)/2 - 1,
474 ev_bias_qmenu);
475
476 ctrls->exposure_metering = v4l2_ctrl_new_std_menu(hdl, ops,
477 V4L2_CID_EXPOSURE_METERING,
478 2, ~0x7, V4L2_EXPOSURE_METERING_AVERAGE);
479
480 /* Auto focus */
481 ctrls->focus_auto = v4l2_ctrl_new_std(hdl, ops,
482 V4L2_CID_FOCUS_AUTO, 0, 1, 1, 0);
483
484 ctrls->af_start = v4l2_ctrl_new_std(hdl, ops,
485 V4L2_CID_AUTO_FOCUS_START, 0, 1, 1, 0);
486
487 ctrls->af_stop = v4l2_ctrl_new_std(hdl, ops,
488 V4L2_CID_AUTO_FOCUS_STOP, 0, 1, 1, 0);
489
490 ctrls->af_status = v4l2_ctrl_new_std(hdl, ops,
491 V4L2_CID_AUTO_FOCUS_STATUS, 0,
492 (V4L2_AUTO_FOCUS_STATUS_BUSY |
493 V4L2_AUTO_FOCUS_STATUS_REACHED |
494 V4L2_AUTO_FOCUS_STATUS_FAILED),
495 0, V4L2_AUTO_FOCUS_STATUS_IDLE);
496
497 ctrls->af_distance = v4l2_ctrl_new_std_menu(hdl, ops,
498 V4L2_CID_AUTO_FOCUS_RANGE,
499 V4L2_AUTO_FOCUS_RANGE_MACRO,
500 ~(1 << V4L2_AUTO_FOCUS_RANGE_NORMAL |
501 1 << V4L2_AUTO_FOCUS_RANGE_MACRO),
502 V4L2_AUTO_FOCUS_RANGE_NORMAL);
503 /* ISO sensitivity */
504 ctrls->auto_iso = v4l2_ctrl_new_std_menu(hdl, ops,
505 V4L2_CID_ISO_SENSITIVITY_AUTO, 1, 0,
506 V4L2_ISO_SENSITIVITY_AUTO);
507
508 ctrls->iso = v4l2_ctrl_new_int_menu(hdl, ops,
509 V4L2_CID_ISO_SENSITIVITY, ARRAY_SIZE(iso_qmenu) - 1,
510 ARRAY_SIZE(iso_qmenu)/2 - 1, iso_qmenu);
511
512 ctrls->contrast = v4l2_ctrl_new_std(hdl, ops,
513 V4L2_CID_CONTRAST, -2, 2, 1, 0);
514
515 ctrls->saturation = v4l2_ctrl_new_std(hdl, ops,
516 V4L2_CID_SATURATION, -2, 2, 1, 0);
517
518 ctrls->sharpness = v4l2_ctrl_new_std(hdl, ops,
519 V4L2_CID_SHARPNESS, -2, 2, 1, 0);
520
521 ctrls->zoom = v4l2_ctrl_new_std(hdl, ops,
522 V4L2_CID_ZOOM_ABSOLUTE, 0, 30, 1, 0);
523
524 ctrls->colorfx = v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_COLORFX,
525 V4L2_COLORFX_AQUA, ~0x40f, V4L2_COLORFX_NONE);
526
527 ctrls->wdr = v4l2_ctrl_new_std(hdl, ops,
528 V4L2_CID_WIDE_DYNAMIC_RANGE, 0, 1, 1, 0);
529
530 ctrls->stabilization = v4l2_ctrl_new_std(hdl, ops,
531 V4L2_CID_IMAGE_STABILIZATION, 0, 1, 1, 0);
532
533 v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_POWER_LINE_FREQUENCY,
534 V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0,
535 V4L2_CID_POWER_LINE_FREQUENCY_AUTO);
536
537 ctrls->jpeg_quality = v4l2_ctrl_new_std(hdl, ops,
538 V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, 100, 1, 80);
539
540 ctrls->scene_mode = v4l2_ctrl_new_std_menu(hdl, ops,
541 V4L2_CID_SCENE_MODE, V4L2_SCENE_MODE_TEXT, ~0x3fff,
542 V4L2_SCENE_MODE_NONE);
543
544 ctrls->aaa_lock = v4l2_ctrl_new_std(hdl, ops,
545 V4L2_CID_3A_LOCK, 0, 0x7, 0, 0);
546
547 if (hdl->error) {
548 ret = hdl->error;
549 v4l2_ctrl_handler_free(hdl);
550 return ret;
551 }
552
553 v4l2_ctrl_auto_cluster(3, &ctrls->auto_exposure, 0, false);
554 ctrls->auto_iso->flags |= V4L2_CTRL_FLAG_VOLATILE |
555 V4L2_CTRL_FLAG_UPDATE;
556 v4l2_ctrl_auto_cluster(2, &ctrls->auto_iso, 0, false);
557 ctrls->af_status->flags |= V4L2_CTRL_FLAG_VOLATILE;
558 v4l2_ctrl_cluster(6, &ctrls->focus_auto);
559
560 state->sensor_sd.ctrl_handler = hdl;
561
562 return 0;
563}
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-spi.c b/drivers/media/i2c/s5c73m3/s5c73m3-spi.c
new file mode 100644
index 000000000000..889139c2ac5e
--- /dev/null
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-spi.c
@@ -0,0 +1,156 @@
1/*
2 * Samsung LSI S5C73M3 8M pixel camera driver
3 *
4 * Copyright (C) 2012, Samsung Electronics, Co., Ltd.
5 * Sylwester Nawrocki <s.nawrocki@samsung.com>
6 * Andrzej Hajda <a.hajda@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17
18#include <linux/sizes.h>
19#include <linux/delay.h>
20#include <linux/init.h>
21#include <linux/media.h>
22#include <linux/module.h>
23#include <linux/slab.h>
24#include <linux/spi/spi.h>
25
26#include "s5c73m3.h"
27
28#define S5C73M3_SPI_DRV_NAME "S5C73M3-SPI"
29
30enum spi_direction {
31 SPI_DIR_RX,
32 SPI_DIR_TX
33};
34
35static int spi_xmit(struct spi_device *spi_dev, void *addr, const int len,
36 enum spi_direction dir)
37{
38 struct spi_message msg;
39 int r;
40 struct spi_transfer xfer = {
41 .len = len,
42 };
43
44 if (dir == SPI_DIR_TX)
45 xfer.tx_buf = addr;
46 else
47 xfer.rx_buf = addr;
48
49 if (spi_dev == NULL) {
50 dev_err(&spi_dev->dev, "SPI device is uninitialized\n");
51 return -ENODEV;
52 }
53
54 spi_message_init(&msg);
55 spi_message_add_tail(&xfer, &msg);
56
57 r = spi_sync(spi_dev, &msg);
58 if (r < 0)
59 dev_err(&spi_dev->dev, "%s spi_sync failed %d\n", __func__, r);
60
61 return r;
62}
63
64int s5c73m3_spi_write(struct s5c73m3 *state, const void *addr,
65 const unsigned int len, const unsigned int tx_size)
66{
67 struct spi_device *spi_dev = state->spi_dev;
68 u32 count = len / tx_size;
69 u32 extra = len % tx_size;
70 unsigned int i, j = 0;
71 u8 padding[32];
72 int r = 0;
73
74 memset(padding, 0, sizeof(padding));
75
76 for (i = 0; i < count ; i++) {
77 r = spi_xmit(spi_dev, (void *)addr + j, tx_size, SPI_DIR_TX);
78 if (r < 0)
79 return r;
80 j += tx_size;
81 }
82
83 if (extra > 0) {
84 r = spi_xmit(spi_dev, (void *)addr + j, extra, SPI_DIR_TX);
85 if (r < 0)
86 return r;
87 }
88
89 return spi_xmit(spi_dev, padding, sizeof(padding), SPI_DIR_TX);
90}
91
92int s5c73m3_spi_read(struct s5c73m3 *state, void *addr,
93 const unsigned int len, const unsigned int tx_size)
94{
95 struct spi_device *spi_dev = state->spi_dev;
96 u32 count = len / tx_size;
97 u32 extra = len % tx_size;
98 unsigned int i, j = 0;
99 int r = 0;
100
101 for (i = 0; i < count ; i++) {
102 r = spi_xmit(spi_dev, addr + j, tx_size, SPI_DIR_RX);
103 if (r < 0)
104 return r;
105 j += tx_size;
106 }
107
108 if (extra > 0)
109 return spi_xmit(spi_dev, addr + j, extra, SPI_DIR_RX);
110
111 return 0;
112}
113
114static int __devinit s5c73m3_spi_probe(struct spi_device *spi)
115{
116 int r;
117 struct s5c73m3 *state = container_of(spi->dev.driver, struct s5c73m3,
118 spidrv.driver);
119 spi->bits_per_word = 32;
120
121 r = spi_setup(spi);
122 if (r < 0) {
123 dev_err(&spi->dev, "spi_setup() failed\n");
124 return r;
125 }
126
127 mutex_lock(&state->lock);
128 state->spi_dev = spi;
129 mutex_unlock(&state->lock);
130
131 v4l2_info(&state->sensor_sd, "S5C73M3 SPI probed successfully\n");
132 return 0;
133}
134
135static int __devexit s5c73m3_spi_remove(struct spi_device *spi)
136{
137 return 0;
138}
139
140int s5c73m3_register_spi_driver(struct s5c73m3 *state)
141{
142 struct spi_driver *spidrv = &state->spidrv;
143
144 spidrv->remove = __devexit_p(s5c73m3_spi_remove);
145 spidrv->probe = s5c73m3_spi_probe;
146 spidrv->driver.name = S5C73M3_SPI_DRV_NAME;
147 spidrv->driver.bus = &spi_bus_type;
148 spidrv->driver.owner = THIS_MODULE;
149
150 return spi_register_driver(spidrv);
151}
152
153void s5c73m3_unregister_spi_driver(struct s5c73m3 *state)
154{
155 spi_unregister_driver(&state->spidrv);
156}
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3.h b/drivers/media/i2c/s5c73m3/s5c73m3.h
new file mode 100644
index 000000000000..9d2c08652246
--- /dev/null
+++ b/drivers/media/i2c/s5c73m3/s5c73m3.h
@@ -0,0 +1,459 @@
1/*
2 * Samsung LSI S5C73M3 8M pixel camera driver
3 *
4 * Copyright (C) 2012, Samsung Electronics, Co., Ltd.
5 * Sylwester Nawrocki <s.nawrocki@samsung.com>
6 * Andrzej Hajda <a.hajda@samsung.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17#ifndef S5C73M3_H_
18#define S5C73M3_H_
19
20#include <linux/kernel.h>
21#include <linux/regulator/consumer.h>
22#include <media/v4l2-common.h>
23#include <media/v4l2-ctrls.h>
24#include <media/v4l2-subdev.h>
25#include <media/s5c73m3.h>
26
27#define DRIVER_NAME "S5C73M3"
28
29#define S5C73M3_ISP_FMT V4L2_MBUS_FMT_VYUY8_2X8
30#define S5C73M3_JPEG_FMT V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8
31
32/* Subdevs pad index definitions */
33enum s5c73m3_pads {
34 S5C73M3_ISP_PAD,
35 S5C73M3_JPEG_PAD,
36 S5C73M3_NUM_PADS
37};
38
39enum s5c73m3_oif_pads {
40 OIF_ISP_PAD,
41 OIF_JPEG_PAD,
42 OIF_SOURCE_PAD,
43 OIF_NUM_PADS
44};
45
46#define S5C73M3_SENSOR_FW_LEN 6
47#define S5C73M3_SENSOR_TYPE_LEN 12
48
49#define S5C73M3_REG(_addrh, _addrl) (((_addrh) << 16) | _addrl)
50
51#define AHB_MSB_ADDR_PTR 0xfcfc
52#define REG_CMDWR_ADDRH 0x0050
53#define REG_CMDWR_ADDRL 0x0054
54#define REG_CMDRD_ADDRH 0x0058
55#define REG_CMDRD_ADDRL 0x005c
56#define REG_CMDBUF_ADDR 0x0f14
57
58#define REG_I2C_SEQ_STATUS S5C73M3_REG(0x0009, 0x59A6)
59#define SEQ_END_PLL (1<<0x0)
60#define SEQ_END_SENSOR (1<<0x1)
61#define SEQ_END_GPIO (1<<0x2)
62#define SEQ_END_FROM (1<<0x3)
63#define SEQ_END_STABLE_AE_AWB (1<<0x4)
64#define SEQ_END_READY_I2C_CMD (1<<0x5)
65
66#define REG_I2C_STATUS S5C73M3_REG(0x0009, 0x599E)
67#define I2C_STATUS_CIS_I2C (1<<0x0)
68#define I2C_STATUS_AF_INIT (1<<0x1)
69#define I2C_STATUS_CAL_DATA (1<<0x2)
70#define I2C_STATUS_FRAME_COUNT (1<<0x3)
71#define I2C_STATUS_FROM_INIT (1<<0x4)
72#define I2C_STATUS_I2C_CIS_STREAM_OFF (1<<0x5)
73#define I2C_STATUS_I2C_N_CMD_OVER (1<<0x6)
74#define I2C_STATUS_I2C_N_CMD_MISMATCH (1<<0x7)
75#define I2C_STATUS_CHECK_BIN_CRC (1<<0x8)
76#define I2C_STATUS_EXCEPTION (1<<0x9)
77#define I2C_STATUS_INIF_INIT_STATE (0x8)
78
79#define REG_STATUS S5C73M3_REG(0x0009, 0x5080)
80#define REG_STATUS_BOOT_SUB_MAIN_ENTER 0xff01
81#define REG_STATUS_BOOT_SRAM_TIMING_OK 0xff02
82#define REG_STATUS_BOOT_INTERRUPTS_EN 0xff03
83#define REG_STATUS_BOOT_R_PLL_DONE 0xff04
84#define REG_STATUS_BOOT_R_PLL_LOCKTIME_DONE 0xff05
85#define REG_STATUS_BOOT_DELAY_COUNT_DONE 0xff06
86#define REG_STATUS_BOOT_I_PLL_DONE 0xff07
87#define REG_STATUS_BOOT_I_PLL_LOCKTIME_DONE 0xff08
88#define REG_STATUS_BOOT_PLL_INIT_OK 0xff09
89#define REG_STATUS_BOOT_SENSOR_INIT_OK 0xff0a
90#define REG_STATUS_BOOT_GPIO_SETTING_OK 0xff0b
91#define REG_STATUS_BOOT_READ_CAL_DATA_OK 0xff0c
92#define REG_STATUS_BOOT_STABLE_AE_AWB_OK 0xff0d
93#define REG_STATUS_ISP_COMMAND_COMPLETED 0xffff
94#define REG_STATUS_EXCEPTION_OCCURED 0xdead
95
96#define COMM_RESULT_OFFSET S5C73M3_REG(0x0009, 0x5000)
97
98#define COMM_IMG_OUTPUT 0x0902
99#define COMM_IMG_OUTPUT_HDR 0x0008
100#define COMM_IMG_OUTPUT_YUV 0x0009
101#define COMM_IMG_OUTPUT_INTERLEAVED 0x000d
102
103#define COMM_STILL_PRE_FLASH 0x0a00
104#define COMM_STILL_PRE_FLASH_FIRE 0x0000
105#define COMM_STILL_PRE_FLASH_NON_FIRED 0x0000
106#define COMM_STILL_PRE_FLASH_FIRED 0x0001
107
108#define COMM_STILL_MAIN_FLASH 0x0a02
109#define COMM_STILL_MAIN_FLASH_CANCEL 0x0001
110#define COMM_STILL_MAIN_FLASH_FIRE 0x0002
111
112#define COMM_ZOOM_STEP 0x0b00
113
114#define COMM_IMAGE_EFFECT 0x0b0a
115#define COMM_IMAGE_EFFECT_NONE 0x0001
116#define COMM_IMAGE_EFFECT_NEGATIVE 0x0002
117#define COMM_IMAGE_EFFECT_AQUA 0x0003
118#define COMM_IMAGE_EFFECT_SEPIA 0x0004
119#define COMM_IMAGE_EFFECT_MONO 0x0005
120
121#define COMM_IMAGE_QUALITY 0x0b0c
122#define COMM_IMAGE_QUALITY_SUPERFINE 0x0000
123#define COMM_IMAGE_QUALITY_FINE 0x0001
124#define COMM_IMAGE_QUALITY_NORMAL 0x0002
125
126#define COMM_FLASH_MODE 0x0b0e
127#define COMM_FLASH_MODE_OFF 0x0000
128#define COMM_FLASH_MODE_ON 0x0001
129#define COMM_FLASH_MODE_AUTO 0x0002
130
131#define COMM_FLASH_STATUS 0x0b80
132#define COMM_FLASH_STATUS_OFF 0x0001
133#define COMM_FLASH_STATUS_ON 0x0002
134#define COMM_FLASH_STATUS_AUTO 0x0003
135
136#define COMM_FLASH_TORCH 0x0b12
137#define COMM_FLASH_TORCH_OFF 0x0000
138#define COMM_FLASH_TORCH_ON 0x0001
139
140#define COMM_AE_NEEDS_FLASH 0x0cba
141#define COMM_AE_NEEDS_FLASH_OFF 0x0000
142#define COMM_AE_NEEDS_FLASH_ON 0x0001
143
144#define COMM_CHG_MODE 0x0b10
145#define COMM_CHG_MODE_NEW 0x8000
146#define COMM_CHG_MODE_SUBSAMPLING_HALF 0x2000
147#define COMM_CHG_MODE_SUBSAMPLING_QUARTER 0x4000
148
149#define COMM_CHG_MODE_YUV_320_240 0x0001
150#define COMM_CHG_MODE_YUV_640_480 0x0002
151#define COMM_CHG_MODE_YUV_880_720 0x0003
152#define COMM_CHG_MODE_YUV_960_720 0x0004
153#define COMM_CHG_MODE_YUV_1184_666 0x0005
154#define COMM_CHG_MODE_YUV_1280_720 0x0006
155#define COMM_CHG_MODE_YUV_1536_864 0x0007
156#define COMM_CHG_MODE_YUV_1600_1200 0x0008
157#define COMM_CHG_MODE_YUV_1632_1224 0x0009
158#define COMM_CHG_MODE_YUV_1920_1080 0x000a
159#define COMM_CHG_MODE_YUV_1920_1440 0x000b
160#define COMM_CHG_MODE_YUV_2304_1296 0x000c
161#define COMM_CHG_MODE_YUV_3264_2448 0x000d
162#define COMM_CHG_MODE_YUV_352_288 0x000e
163#define COMM_CHG_MODE_YUV_1008_672 0x000f
164
165#define COMM_CHG_MODE_JPEG_640_480 0x0010
166#define COMM_CHG_MODE_JPEG_800_450 0x0020
167#define COMM_CHG_MODE_JPEG_800_600 0x0030
168#define COMM_CHG_MODE_JPEG_1280_720 0x0040
169#define COMM_CHG_MODE_JPEG_1280_960 0x0050
170#define COMM_CHG_MODE_JPEG_1600_900 0x0060
171#define COMM_CHG_MODE_JPEG_1600_1200 0x0070
172#define COMM_CHG_MODE_JPEG_2048_1152 0x0080
173#define COMM_CHG_MODE_JPEG_2048_1536 0x0090
174#define COMM_CHG_MODE_JPEG_2560_1440 0x00a0
175#define COMM_CHG_MODE_JPEG_2560_1920 0x00b0
176#define COMM_CHG_MODE_JPEG_3264_2176 0x00c0
177#define COMM_CHG_MODE_JPEG_1024_768 0x00d0
178#define COMM_CHG_MODE_JPEG_3264_1836 0x00e0
179#define COMM_CHG_MODE_JPEG_3264_2448 0x00f0
180
181#define COMM_AF_CON 0x0e00
182#define COMM_AF_CON_STOP 0x0000
183#define COMM_AF_CON_SCAN 0x0001 /* Full Search */
184#define COMM_AF_CON_START 0x0002 /* Fast Search */
185
186#define COMM_AF_CAL 0x0e06
187#define COMM_AF_TOUCH_AF 0x0e0a
188
189#define REG_AF_STATUS S5C73M3_REG(0x0009, 0x5e80)
190#define REG_CAF_STATUS_FIND_SEARCH_DIR 0x0001
191#define REG_CAF_STATUS_FOCUSING 0x0002
192#define REG_CAF_STATUS_FOCUSED 0x0003
193#define REG_CAF_STATUS_UNFOCUSED 0x0004
194#define REG_AF_STATUS_INVALID 0x0010
195#define REG_AF_STATUS_FOCUSING 0x0020
196#define REG_AF_STATUS_FOCUSED 0x0030
197#define REG_AF_STATUS_UNFOCUSED 0x0040
198
199#define REG_AF_TOUCH_POSITION S5C73M3_REG(0x0009, 0x5e8e)
200#define COMM_AF_FACE_ZOOM 0x0e10
201
202#define COMM_AF_MODE 0x0e02
203#define COMM_AF_MODE_NORMAL 0x0000
204#define COMM_AF_MODE_MACRO 0x0001
205#define COMM_AF_MODE_MOVIE_CAF_START 0x0002
206#define COMM_AF_MODE_MOVIE_CAF_STOP 0x0003
207#define COMM_AF_MODE_PREVIEW_CAF_START 0x0004
208#define COMM_AF_MODE_PREVIEW_CAF_STOP 0x0005
209
210#define COMM_AF_SOFTLANDING 0x0e16
211#define COMM_AF_SOFTLANDING_ON 0x0000
212#define COMM_AF_SOFTLANDING_RES_COMPLETE 0x0001
213
214#define COMM_FACE_DET 0x0e0c
215#define COMM_FACE_DET_OFF 0x0000
216#define COMM_FACE_DET_ON 0x0001
217
218#define COMM_FACE_DET_OSD 0x0e0e
219#define COMM_FACE_DET_OSD_OFF 0x0000
220#define COMM_FACE_DET_OSD_ON 0x0001
221
222#define COMM_AE_CON 0x0c00
223#define COMM_AE_STOP 0x0000 /* lock */
224#define COMM_AE_START 0x0001 /* unlock */
225
226#define COMM_ISO 0x0c02
227#define COMM_ISO_AUTO 0x0000
228#define COMM_ISO_100 0x0001
229#define COMM_ISO_200 0x0002
230#define COMM_ISO_400 0x0003
231#define COMM_ISO_800 0x0004
232#define COMM_ISO_SPORTS 0x0005
233#define COMM_ISO_NIGHT 0x0006
234#define COMM_ISO_INDOOR 0x0007
235
236/* 0x00000 (-2.0 EV)...0x0008 (2.0 EV), 0.5EV step */
237#define COMM_EV 0x0c04
238
239#define COMM_METERING 0x0c06
240#define COMM_METERING_CENTER 0x0000
241#define COMM_METERING_SPOT 0x0001
242#define COMM_METERING_AVERAGE 0x0002
243#define COMM_METERING_SMART 0x0003
244
245#define COMM_WDR 0x0c08
246#define COMM_WDR_OFF 0x0000
247#define COMM_WDR_ON 0x0001
248
249#define COMM_FLICKER_MODE 0x0c12
250#define COMM_FLICKER_NONE 0x0000
251#define COMM_FLICKER_MANUAL_50HZ 0x0001
252#define COMM_FLICKER_MANUAL_60HZ 0x0002
253#define COMM_FLICKER_AUTO 0x0003
254#define COMM_FLICKER_AUTO_50HZ 0x0004
255#define COMM_FLICKER_AUTO_60HZ 0x0005
256
257#define COMM_FRAME_RATE 0x0c1e
258#define COMM_FRAME_RATE_AUTO_SET 0x0000
259#define COMM_FRAME_RATE_FIXED_30FPS 0x0002
260#define COMM_FRAME_RATE_FIXED_20FPS 0x0003
261#define COMM_FRAME_RATE_FIXED_15FPS 0x0004
262#define COMM_FRAME_RATE_FIXED_60FPS 0x0007
263#define COMM_FRAME_RATE_FIXED_120FPS 0x0008
264#define COMM_FRAME_RATE_FIXED_7FPS 0x0009
265#define COMM_FRAME_RATE_FIXED_10FPS 0x000a
266#define COMM_FRAME_RATE_FIXED_90FPS 0x000b
267#define COMM_FRAME_RATE_ANTI_SHAKE 0x0013
268
269/* 0x0000...0x0004 -> sharpness: 0, 1, 2, -1, -2 */
270#define COMM_SHARPNESS 0x0c14
271
272/* 0x0000...0x0004 -> saturation: 0, 1, 2, -1, -2 */
273#define COMM_SATURATION 0x0c16
274
275/* 0x0000...0x0004 -> contrast: 0, 1, 2, -1, -2 */
276#define COMM_CONTRAST 0x0c18
277
278#define COMM_SCENE_MODE 0x0c1a
279#define COMM_SCENE_MODE_NONE 0x0000
280#define COMM_SCENE_MODE_PORTRAIT 0x0001
281#define COMM_SCENE_MODE_LANDSCAPE 0x0002
282#define COMM_SCENE_MODE_SPORTS 0x0003
283#define COMM_SCENE_MODE_INDOOR 0x0004
284#define COMM_SCENE_MODE_BEACH 0x0005
285#define COMM_SCENE_MODE_SUNSET 0x0006
286#define COMM_SCENE_MODE_DAWN 0x0007
287#define COMM_SCENE_MODE_FALL 0x0008
288#define COMM_SCENE_MODE_NIGHT 0x0009
289#define COMM_SCENE_MODE_AGAINST_LIGHT 0x000a
290#define COMM_SCENE_MODE_FIRE 0x000b
291#define COMM_SCENE_MODE_TEXT 0x000c
292#define COMM_SCENE_MODE_CANDLE 0x000d
293
294#define COMM_AE_AUTO_BRACKET 0x0b14
295#define COMM_AE_AUTO_BRAKET_EV05 0x0080
296#define COMM_AE_AUTO_BRAKET_EV10 0x0100
297#define COMM_AE_AUTO_BRAKET_EV15 0x0180
298#define COMM_AE_AUTO_BRAKET_EV20 0x0200
299
300#define COMM_SENSOR_STREAMING 0x090a
301#define COMM_SENSOR_STREAMING_OFF 0x0000
302#define COMM_SENSOR_STREAMING_ON 0x0001
303
304#define COMM_AWB_MODE 0x0d02
305#define COMM_AWB_MODE_INCANDESCENT 0x0000
306#define COMM_AWB_MODE_FLUORESCENT1 0x0001
307#define COMM_AWB_MODE_FLUORESCENT2 0x0002
308#define COMM_AWB_MODE_DAYLIGHT 0x0003
309#define COMM_AWB_MODE_CLOUDY 0x0004
310#define COMM_AWB_MODE_AUTO 0x0005
311
312#define COMM_AWB_CON 0x0d00
313#define COMM_AWB_STOP 0x0000 /* lock */
314#define COMM_AWB_START 0x0001 /* unlock */
315
316#define COMM_FW_UPDATE 0x0906
317#define COMM_FW_UPDATE_NOT_READY 0x0000
318#define COMM_FW_UPDATE_SUCCESS 0x0005
319#define COMM_FW_UPDATE_FAIL 0x0007
320#define COMM_FW_UPDATE_BUSY 0xffff
321
322
323#define S5C73M3_MAX_SUPPLIES 6
324
325struct s5c73m3_ctrls {
326 struct v4l2_ctrl_handler handler;
327 struct {
328 /* exposure/exposure bias cluster */
329 struct v4l2_ctrl *auto_exposure;
330 struct v4l2_ctrl *exposure_bias;
331 struct v4l2_ctrl *exposure_metering;
332 };
333 struct {
334 /* iso/auto iso cluster */
335 struct v4l2_ctrl *auto_iso;
336 struct v4l2_ctrl *iso;
337 };
338 struct v4l2_ctrl *auto_wb;
339 struct {
340 /* continuous auto focus/auto focus cluster */
341 struct v4l2_ctrl *focus_auto;
342 struct v4l2_ctrl *af_start;
343 struct v4l2_ctrl *af_stop;
344 struct v4l2_ctrl *af_status;
345 struct v4l2_ctrl *af_distance;
346 };
347
348 struct v4l2_ctrl *aaa_lock;
349 struct v4l2_ctrl *colorfx;
350 struct v4l2_ctrl *contrast;
351 struct v4l2_ctrl *saturation;
352 struct v4l2_ctrl *sharpness;
353 struct v4l2_ctrl *zoom;
354 struct v4l2_ctrl *wdr;
355 struct v4l2_ctrl *stabilization;
356 struct v4l2_ctrl *jpeg_quality;
357 struct v4l2_ctrl *scene_mode;
358};
359
360enum s5c73m3_gpio_id {
361 STBY,
362 RST,
363 GPIO_NUM,
364};
365
366enum s5c73m3_resolution_types {
367 RES_ISP,
368 RES_JPEG,
369};
370
371struct s5c73m3_interval {
372 u16 fps_reg;
373 struct v4l2_fract interval;
374 /* Maximum rectangle for the interval */
375 struct v4l2_frmsize_discrete size;
376};
377
378struct s5c73m3 {
379 struct v4l2_subdev sensor_sd;
380 struct media_pad sensor_pads[S5C73M3_NUM_PADS];
381
382 struct v4l2_subdev oif_sd;
383 struct media_pad oif_pads[OIF_NUM_PADS];
384
385 struct spi_driver spidrv;
386 struct spi_device *spi_dev;
387 struct i2c_client *i2c_client;
388 u32 i2c_write_address;
389 u32 i2c_read_address;
390
391 struct regulator_bulk_data supplies[S5C73M3_MAX_SUPPLIES];
392 struct s5c73m3_gpio gpio[GPIO_NUM];
393
394 /* External master clock frequency */
395 u32 mclk_frequency;
396 /* Video bus type - MIPI-CSI2/paralell */
397 enum v4l2_mbus_type bus_type;
398
399 const struct s5c73m3_frame_size *sensor_pix_size[2];
400 const struct s5c73m3_frame_size *oif_pix_size[2];
401 enum v4l2_mbus_pixelcode mbus_code;
402
403 const struct s5c73m3_interval *fiv;
404
405 struct v4l2_mbus_frame_desc frame_desc;
406 /* protects the struct members below */
407 struct mutex lock;
408
409 struct s5c73m3_ctrls ctrls;
410
411 u8 streaming:1;
412 u8 apply_fmt:1;
413 u8 apply_fiv:1;
414 u8 isp_ready:1;
415
416 short power;
417
418 char sensor_fw[S5C73M3_SENSOR_FW_LEN + 2];
419 char sensor_type[S5C73M3_SENSOR_TYPE_LEN + 2];
420 char fw_file_version[2];
421 unsigned int fw_size;
422};
423
424struct s5c73m3_frame_size {
425 u32 width;
426 u32 height;
427 u8 reg_val;
428};
429
430extern int s5c73m3_dbg;
431
432int s5c73m3_register_spi_driver(struct s5c73m3 *state);
433void s5c73m3_unregister_spi_driver(struct s5c73m3 *state);
434int s5c73m3_spi_write(struct s5c73m3 *state, const void *addr,
435 const unsigned int len, const unsigned int tx_size);
436int s5c73m3_spi_read(struct s5c73m3 *state, void *addr,
437 const unsigned int len, const unsigned int tx_size);
438
439int s5c73m3_read(struct s5c73m3 *state, u32 addr, u16 *data);
440int s5c73m3_write(struct s5c73m3 *state, u32 addr, u16 data);
441int s5c73m3_isp_command(struct s5c73m3 *state, u16 command, u16 data);
442int s5c73m3_init_controls(struct s5c73m3 *state);
443
444static inline struct v4l2_subdev *ctrl_to_sensor_sd(struct v4l2_ctrl *ctrl)
445{
446 return &container_of(ctrl->handler, struct s5c73m3,
447 ctrls.handler)->sensor_sd;
448}
449
450static inline struct s5c73m3 *sensor_sd_to_s5c73m3(struct v4l2_subdev *sd)
451{
452 return container_of(sd, struct s5c73m3, sensor_sd);
453}
454
455static inline struct s5c73m3 *oif_sd_to_s5c73m3(struct v4l2_subdev *sd)
456{
457 return container_of(sd, struct s5c73m3, oif_sd);
458}
459#endif /* S5C73M3_H_ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-10 19:37:37 -0400