2 * Driver for the s5k4aa sensor
4 * Copyright (C) 2008 Erik Andrén
5 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
6 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
8 * Portions of code to USB interface and ALi driver software,
9 * Copyright (c) 2006 Willem Duinker
10 * v4l2 interface modeled after the V4L2 driver
11 * for SN9C10x PC Camera Controllers
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation, version 2.
19 #include "m5602_s5k4aa.h"
21 static int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val);
22 static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
23 static int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
24 static int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
25 static int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
26 static int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
27 static int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
28 static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val);
29 static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val);
30 static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val);
31 static int s5k4aa_get_brightness(struct gspca_dev *gspca_dev, __s32 *val);
32 static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val);
36 struct dmi_system_id s5k4aa_vflip_dmi_table[] = {
38 .ident = "Fujitsu-Siemens Amilo Xa 2528",
40 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
41 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528")
44 .ident = "Fujitsu-Siemens Amilo Xi 2550",
46 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
47 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550")
52 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
53 DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
54 DMI_MATCH(DMI_BIOS_DATE, "07/26/2007")
57 .ident = "MSI GX700/GX705/EX700",
59 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
60 DMI_MATCH(DMI_PRODUCT_NAME, "GX700/GX705/EX700")
65 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
66 DMI_MATCH(DMI_PRODUCT_NAME, "MS-1717X")
69 .ident = "Lenovo Y300",
71 DMI_MATCH(DMI_SYS_VENDOR, "L3000 Y300"),
72 DMI_MATCH(DMI_PRODUCT_NAME, "Y300")
78 static struct v4l2_pix_format s5k4aa_modes[] = {
87 .colorspace = V4L2_COLORSPACE_SRGB,
98 .colorspace = V4L2_COLORSPACE_SRGB,
103 static const struct ctrl s5k4aa_ctrls[] = {
107 .id = V4L2_CID_VFLIP,
108 .type = V4L2_CTRL_TYPE_BOOLEAN,
109 .name = "vertical flip",
115 .set = s5k4aa_set_vflip,
116 .get = s5k4aa_get_vflip
121 .id = V4L2_CID_HFLIP,
122 .type = V4L2_CTRL_TYPE_BOOLEAN,
123 .name = "horizontal flip",
129 .set = s5k4aa_set_hflip,
130 .get = s5k4aa_get_hflip
136 .type = V4L2_CTRL_TYPE_INTEGER,
141 .default_value = S5K4AA_DEFAULT_GAIN,
142 .flags = V4L2_CTRL_FLAG_SLIDER
144 .set = s5k4aa_set_gain,
145 .get = s5k4aa_get_gain
147 #define EXPOSURE_IDX 3
150 .id = V4L2_CID_EXPOSURE,
151 .type = V4L2_CTRL_TYPE_INTEGER,
156 .default_value = 0x100,
157 .flags = V4L2_CTRL_FLAG_SLIDER
159 .set = s5k4aa_set_exposure,
160 .get = s5k4aa_get_exposure
162 #define NOISE_SUPP_IDX 4
165 .id = V4L2_CID_PRIVATE_BASE,
166 .type = V4L2_CTRL_TYPE_BOOLEAN,
167 .name = "Noise suppression (smoothing)",
173 .set = s5k4aa_set_noise,
174 .get = s5k4aa_get_noise
176 #define BRIGHTNESS_IDX 5
179 .id = V4L2_CID_BRIGHTNESS,
180 .type = V4L2_CTRL_TYPE_INTEGER,
181 .name = "Brightness",
185 .default_value = S5K4AA_DEFAULT_BRIGHTNESS,
187 .set = s5k4aa_set_brightness,
188 .get = s5k4aa_get_brightness
193 static void s5k4aa_dump_registers(struct sd *sd);
195 int s5k4aa_probe(struct sd *sd)
197 u8 prod_id[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
198 const u8 expected_prod_id[6] = {0x00, 0x10, 0x00, 0x4b, 0x33, 0x75};
200 s32 *sensor_settings;
203 if (force_sensor == S5K4AA_SENSOR) {
204 info("Forcing a %s sensor", s5k4aa.name);
207 /* If we want to force another sensor, don't try to probe this
212 info("Probing for a s5k4aa sensor");
214 /* Preinit the sensor */
215 for (i = 0; i < ARRAY_SIZE(preinit_s5k4aa) && !err; i++) {
216 u8 data[2] = {0x00, 0x00};
218 switch (preinit_s5k4aa[i][0]) {
220 err = m5602_write_bridge(sd,
221 preinit_s5k4aa[i][1],
222 preinit_s5k4aa[i][2]);
226 data[0] = preinit_s5k4aa[i][2];
227 err = m5602_write_sensor(sd,
228 preinit_s5k4aa[i][1],
233 data[0] = preinit_s5k4aa[i][2];
234 data[1] = preinit_s5k4aa[i][3];
235 err = m5602_write_sensor(sd,
236 preinit_s5k4aa[i][1],
240 info("Invalid stream command, exiting init");
245 /* Test some registers, but we don't know their exact meaning yet */
246 if (m5602_read_sensor(sd, 0x00, prod_id, 2))
248 if (m5602_read_sensor(sd, 0x02, prod_id+2, 2))
250 if (m5602_read_sensor(sd, 0x04, prod_id+4, 2))
253 if (memcmp(prod_id, expected_prod_id, sizeof(prod_id)))
256 info("Detected a s5k4aa sensor");
259 sensor_settings = kmalloc(
260 ARRAY_SIZE(s5k4aa_ctrls) * sizeof(s32), GFP_KERNEL);
261 if (!sensor_settings)
264 sd->gspca_dev.cam.cam_mode = s5k4aa_modes;
265 sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes);
266 sd->desc->ctrls = s5k4aa_ctrls;
267 sd->desc->nctrls = ARRAY_SIZE(s5k4aa_ctrls);
269 for (i = 0; i < ARRAY_SIZE(s5k4aa_ctrls); i++)
270 sensor_settings[i] = s5k4aa_ctrls[i].qctrl.default_value;
271 sd->sensor_priv = sensor_settings;
276 int s5k4aa_start(struct sd *sd)
280 struct cam *cam = &sd->gspca_dev.cam;
281 s32 *sensor_settings = sd->sensor_priv;
283 switch (cam->cam_mode[sd->gspca_dev.curr_mode].width) {
285 PDEBUG(D_V4L2, "Configuring camera for SXGA mode");
287 for (i = 0; i < ARRAY_SIZE(SXGA_s5k4aa); i++) {
288 switch (SXGA_s5k4aa[i][0]) {
290 err = m5602_write_bridge(sd,
296 data[0] = SXGA_s5k4aa[i][2];
297 err = m5602_write_sensor(sd,
303 data[0] = SXGA_s5k4aa[i][2];
304 data[1] = SXGA_s5k4aa[i][3];
305 err = m5602_write_sensor(sd,
311 err("Invalid stream command, exiting init");
315 err = s5k4aa_set_noise(&sd->gspca_dev, 0);
321 PDEBUG(D_V4L2, "Configuring camera for VGA mode");
323 for (i = 0; i < ARRAY_SIZE(VGA_s5k4aa); i++) {
324 switch (VGA_s5k4aa[i][0]) {
326 err = m5602_write_bridge(sd,
332 data[0] = VGA_s5k4aa[i][2];
333 err = m5602_write_sensor(sd,
339 data[0] = VGA_s5k4aa[i][2];
340 data[1] = VGA_s5k4aa[i][3];
341 err = m5602_write_sensor(sd,
347 err("Invalid stream command, exiting init");
351 err = s5k4aa_set_noise(&sd->gspca_dev, 1);
359 err = s5k4aa_set_exposure(&sd->gspca_dev,
360 sensor_settings[EXPOSURE_IDX]);
364 err = s5k4aa_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
368 err = s5k4aa_set_brightness(&sd->gspca_dev,
369 sensor_settings[BRIGHTNESS_IDX]);
373 err = s5k4aa_set_noise(&sd->gspca_dev, sensor_settings[NOISE_SUPP_IDX]);
377 err = s5k4aa_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
381 return s5k4aa_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
384 int s5k4aa_init(struct sd *sd)
388 for (i = 0; i < ARRAY_SIZE(init_s5k4aa) && !err; i++) {
389 u8 data[2] = {0x00, 0x00};
391 switch (init_s5k4aa[i][0]) {
393 err = m5602_write_bridge(sd,
399 data[0] = init_s5k4aa[i][2];
400 err = m5602_write_sensor(sd,
401 init_s5k4aa[i][1], data, 1);
405 data[0] = init_s5k4aa[i][2];
406 data[1] = init_s5k4aa[i][3];
407 err = m5602_write_sensor(sd,
408 init_s5k4aa[i][1], data, 2);
411 info("Invalid stream command, exiting init");
417 s5k4aa_dump_registers(sd);
422 static int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
424 struct sd *sd = (struct sd *) gspca_dev;
425 s32 *sensor_settings = sd->sensor_priv;
427 *val = sensor_settings[EXPOSURE_IDX];
428 PDEBUG(D_V4L2, "Read exposure %d", *val);
433 static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
435 struct sd *sd = (struct sd *) gspca_dev;
436 s32 *sensor_settings = sd->sensor_priv;
437 u8 data = S5K4AA_PAGE_MAP_2;
440 sensor_settings[EXPOSURE_IDX] = val;
441 PDEBUG(D_V4L2, "Set exposure to %d", val);
442 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
445 data = (val >> 8) & 0xff;
446 err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1);
450 err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1);
455 static int s5k4aa_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
457 struct sd *sd = (struct sd *) gspca_dev;
458 s32 *sensor_settings = sd->sensor_priv;
460 *val = sensor_settings[VFLIP_IDX];
461 PDEBUG(D_V4L2, "Read vertical flip %d", *val);
466 static int s5k4aa_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
468 struct sd *sd = (struct sd *) gspca_dev;
469 s32 *sensor_settings = sd->sensor_priv;
470 u8 data = S5K4AA_PAGE_MAP_2;
473 sensor_settings[VFLIP_IDX] = val;
475 PDEBUG(D_V4L2, "Set vertical flip to %d", val);
476 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
480 err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1);
484 if (dmi_check_system(s5k4aa_vflip_dmi_table))
487 data = ((data & ~S5K4AA_RM_V_FLIP) | ((val & 0x01) << 7));
488 err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
492 err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
495 data = (data & 0xfe) | !val;
496 err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
500 static int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
502 struct sd *sd = (struct sd *) gspca_dev;
503 s32 *sensor_settings = sd->sensor_priv;
505 *val = sensor_settings[HFLIP_IDX];
506 PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
511 static int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
513 struct sd *sd = (struct sd *) gspca_dev;
514 s32 *sensor_settings = sd->sensor_priv;
515 u8 data = S5K4AA_PAGE_MAP_2;
518 sensor_settings[HFLIP_IDX] = val;
520 PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
521 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
525 err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1);
529 if (dmi_check_system(s5k4aa_vflip_dmi_table))
532 data = ((data & ~S5K4AA_RM_H_FLIP) | ((val & 0x01) << 6));
533 err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
537 err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
540 data = (data & 0xfe) | !val;
541 err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
545 static int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
547 struct sd *sd = (struct sd *) gspca_dev;
548 s32 *sensor_settings = sd->sensor_priv;
550 *val = sensor_settings[GAIN_IDX];
551 PDEBUG(D_V4L2, "Read gain %d", *val);
555 static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val)
557 struct sd *sd = (struct sd *) gspca_dev;
558 s32 *sensor_settings = sd->sensor_priv;
559 u8 data = S5K4AA_PAGE_MAP_2;
562 sensor_settings[GAIN_IDX] = val;
564 PDEBUG(D_V4L2, "Set gain to %d", val);
565 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
570 err = m5602_write_sensor(sd, S5K4AA_GAIN, &data, 1);
575 static int s5k4aa_get_brightness(struct gspca_dev *gspca_dev, __s32 *val)
577 struct sd *sd = (struct sd *) gspca_dev;
578 s32 *sensor_settings = sd->sensor_priv;
580 *val = sensor_settings[BRIGHTNESS_IDX];
581 PDEBUG(D_V4L2, "Read brightness %d", *val);
585 static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
587 struct sd *sd = (struct sd *) gspca_dev;
588 s32 *sensor_settings = sd->sensor_priv;
589 u8 data = S5K4AA_PAGE_MAP_2;
592 sensor_settings[BRIGHTNESS_IDX] = val;
594 PDEBUG(D_V4L2, "Set brightness to %d", val);
595 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
600 return m5602_write_sensor(sd, S5K4AA_BRIGHTNESS, &data, 1);
603 static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val)
605 struct sd *sd = (struct sd *) gspca_dev;
606 s32 *sensor_settings = sd->sensor_priv;
608 *val = sensor_settings[NOISE_SUPP_IDX];
609 PDEBUG(D_V4L2, "Read noise %d", *val);
613 static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val)
615 struct sd *sd = (struct sd *) gspca_dev;
616 s32 *sensor_settings = sd->sensor_priv;
617 u8 data = S5K4AA_PAGE_MAP_2;
620 sensor_settings[NOISE_SUPP_IDX] = val;
622 PDEBUG(D_V4L2, "Set noise to %d", val);
623 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
628 return m5602_write_sensor(sd, S5K4AA_NOISE_SUPP, &data, 1);
631 void s5k4aa_disconnect(struct sd *sd)
634 kfree(sd->sensor_priv);
637 static void s5k4aa_dump_registers(struct sd *sd)
641 m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);
642 for (page = 0; page < 16; page++) {
643 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
644 info("Dumping the s5k4aa register state for page 0x%x", page);
645 for (address = 0; address <= 0xff; address++) {
647 m5602_read_sensor(sd, address, &value, 1);
648 info("register 0x%x contains 0x%x",
652 info("s5k4aa register state dump complete");
654 for (page = 0; page < 16; page++) {
655 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
656 info("Probing for which registers that are "
657 "read/write for page 0x%x", page);
658 for (address = 0; address <= 0xff; address++) {
659 u8 old_value, ctrl_value, test_value = 0xff;
661 m5602_read_sensor(sd, address, &old_value, 1);
662 m5602_write_sensor(sd, address, &test_value, 1);
663 m5602_read_sensor(sd, address, &ctrl_value, 1);
665 if (ctrl_value == test_value)
666 info("register 0x%x is writeable", address);
668 info("register 0x%x is read only", address);
670 /* Restore original value */
671 m5602_write_sensor(sd, address, &old_value, 1);
674 info("Read/write register probing complete");
675 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);