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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21 #include "m5602_s5k4aa.h"
23 static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl);
24 static void s5k4aa_dump_registers(struct sd *sd);
26 static const struct v4l2_ctrl_ops s5k4aa_ctrl_ops = {
27 .s_ctrl = s5k4aa_s_ctrl,
32 struct dmi_system_id s5k4aa_vflip_dmi_table[] = {
36 DMI_MATCH(DMI_SYS_VENDOR, "BRUNENIT"),
37 DMI_MATCH(DMI_PRODUCT_NAME, "BRUNENIT"),
38 DMI_MATCH(DMI_BOARD_VERSION, "00030D0000000001")
41 .ident = "Fujitsu-Siemens Amilo Xa 2528",
43 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
44 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528")
47 .ident = "Fujitsu-Siemens Amilo Xi 2428",
49 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
50 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2428")
53 .ident = "Fujitsu-Siemens Amilo Xi 2528",
55 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
56 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2528")
59 .ident = "Fujitsu-Siemens Amilo Xi 2550",
61 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
62 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550")
65 .ident = "Fujitsu-Siemens Amilo Pa 2548",
67 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
68 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2548")
71 .ident = "Fujitsu-Siemens Amilo Pi 2530",
73 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
74 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 2530")
79 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
80 DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
81 DMI_MATCH(DMI_BIOS_DATE, "12/02/2008")
86 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
87 DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
88 DMI_MATCH(DMI_BIOS_DATE, "07/26/2007")
93 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
94 DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
95 DMI_MATCH(DMI_BIOS_DATE, "07/19/2007")
98 .ident = "MSI GX700/GX705/EX700",
100 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
101 DMI_MATCH(DMI_PRODUCT_NAME, "GX700/GX705/EX700")
106 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
107 DMI_MATCH(DMI_PRODUCT_NAME, "MS-1717X")
110 .ident = "Lenovo Y300",
112 DMI_MATCH(DMI_SYS_VENDOR, "L3000 Y300"),
113 DMI_MATCH(DMI_PRODUCT_NAME, "Y300")
119 static struct v4l2_pix_format s5k4aa_modes[] = {
128 .colorspace = V4L2_COLORSPACE_SRGB,
138 .bytesperline = 1280,
139 .colorspace = V4L2_COLORSPACE_SRGB,
144 int s5k4aa_probe(struct sd *sd)
146 u8 prod_id[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
147 const u8 expected_prod_id[6] = {0x00, 0x10, 0x00, 0x4b, 0x33, 0x75};
148 struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
152 if (force_sensor == S5K4AA_SENSOR) {
153 pr_info("Forcing a %s sensor\n", s5k4aa.name);
156 /* If we want to force another sensor, don't try to probe this
161 PDEBUG(D_PROBE, "Probing for a s5k4aa sensor");
163 /* Preinit the sensor */
164 for (i = 0; i < ARRAY_SIZE(preinit_s5k4aa) && !err; i++) {
165 u8 data[2] = {0x00, 0x00};
167 switch (preinit_s5k4aa[i][0]) {
169 err = m5602_write_bridge(sd,
170 preinit_s5k4aa[i][1],
171 preinit_s5k4aa[i][2]);
175 data[0] = preinit_s5k4aa[i][2];
176 err = m5602_write_sensor(sd,
177 preinit_s5k4aa[i][1],
182 data[0] = preinit_s5k4aa[i][2];
183 data[1] = preinit_s5k4aa[i][3];
184 err = m5602_write_sensor(sd,
185 preinit_s5k4aa[i][1],
189 pr_info("Invalid stream command, exiting init\n");
194 /* Test some registers, but we don't know their exact meaning yet */
195 if (m5602_read_sensor(sd, 0x00, prod_id, 2))
197 if (m5602_read_sensor(sd, 0x02, prod_id+2, 2))
199 if (m5602_read_sensor(sd, 0x04, prod_id+4, 2))
202 if (memcmp(prod_id, expected_prod_id, sizeof(prod_id)))
205 pr_info("Detected a s5k4aa sensor\n");
208 sd->gspca_dev.cam.cam_mode = s5k4aa_modes;
209 sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes);
214 int s5k4aa_start(struct sd *sd)
218 struct cam *cam = &sd->gspca_dev.cam;
219 struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
221 switch (cam->cam_mode[sd->gspca_dev.curr_mode].width) {
223 PDEBUG(D_CONF, "Configuring camera for SXGA mode");
225 for (i = 0; i < ARRAY_SIZE(SXGA_s5k4aa); i++) {
226 switch (SXGA_s5k4aa[i][0]) {
228 err = m5602_write_bridge(sd,
234 data[0] = SXGA_s5k4aa[i][2];
235 err = m5602_write_sensor(sd,
241 data[0] = SXGA_s5k4aa[i][2];
242 data[1] = SXGA_s5k4aa[i][3];
243 err = m5602_write_sensor(sd,
249 pr_err("Invalid stream command, exiting init\n");
256 PDEBUG(D_CONF, "Configuring camera for VGA mode");
258 for (i = 0; i < ARRAY_SIZE(VGA_s5k4aa); i++) {
259 switch (VGA_s5k4aa[i][0]) {
261 err = m5602_write_bridge(sd,
267 data[0] = VGA_s5k4aa[i][2];
268 err = m5602_write_sensor(sd,
274 data[0] = VGA_s5k4aa[i][2];
275 data[1] = VGA_s5k4aa[i][3];
276 err = m5602_write_sensor(sd,
282 pr_err("Invalid stream command, exiting init\n");
294 int s5k4aa_init(struct sd *sd)
298 for (i = 0; i < ARRAY_SIZE(init_s5k4aa) && !err; i++) {
299 u8 data[2] = {0x00, 0x00};
301 switch (init_s5k4aa[i][0]) {
303 err = m5602_write_bridge(sd,
309 data[0] = init_s5k4aa[i][2];
310 err = m5602_write_sensor(sd,
311 init_s5k4aa[i][1], data, 1);
315 data[0] = init_s5k4aa[i][2];
316 data[1] = init_s5k4aa[i][3];
317 err = m5602_write_sensor(sd,
318 init_s5k4aa[i][1], data, 2);
321 pr_info("Invalid stream command, exiting init\n");
327 s5k4aa_dump_registers(sd);
332 int s5k4aa_init_controls(struct sd *sd)
334 struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
336 sd->gspca_dev.vdev.ctrl_handler = hdl;
337 v4l2_ctrl_handler_init(hdl, 6);
339 v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_BRIGHTNESS,
340 0, 0x1f, 1, S5K4AA_DEFAULT_BRIGHTNESS);
342 v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_EXPOSURE,
343 13, 0xfff, 1, 0x100);
345 v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_GAIN,
346 0, 127, 1, S5K4AA_DEFAULT_GAIN);
348 v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_SHARPNESS,
351 sd->hflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_HFLIP,
353 sd->vflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_VFLIP,
357 pr_err("Could not initialize controls\n");
361 v4l2_ctrl_cluster(2, &sd->hflip);
366 static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
368 struct sd *sd = (struct sd *) gspca_dev;
369 u8 data = S5K4AA_PAGE_MAP_2;
372 PDEBUG(D_CONF, "Set exposure to %d", val);
373 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
376 data = (val >> 8) & 0xff;
377 err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1);
381 err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1);
386 static int s5k4aa_set_hvflip(struct gspca_dev *gspca_dev)
388 struct sd *sd = (struct sd *) gspca_dev;
389 u8 data = S5K4AA_PAGE_MAP_2;
391 int hflip = sd->hflip->val;
392 int vflip = sd->vflip->val;
394 PDEBUG(D_CONF, "Set hvflip %d %d", hflip, vflip);
395 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
399 err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1);
403 if (dmi_check_system(s5k4aa_vflip_dmi_table)) {
408 data = (data & 0x7f) | (vflip << 7) | (hflip << 6);
409 err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
413 err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
420 err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
424 err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
431 err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
438 static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val)
440 struct sd *sd = (struct sd *) gspca_dev;
441 u8 data = S5K4AA_PAGE_MAP_2;
444 PDEBUG(D_CONF, "Set gain to %d", val);
445 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
450 err = m5602_write_sensor(sd, S5K4AA_GAIN, &data, 1);
455 static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
457 struct sd *sd = (struct sd *) gspca_dev;
458 u8 data = S5K4AA_PAGE_MAP_2;
461 PDEBUG(D_CONF, "Set brightness to %d", val);
462 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
467 return m5602_write_sensor(sd, S5K4AA_BRIGHTNESS, &data, 1);
470 static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val)
472 struct sd *sd = (struct sd *) gspca_dev;
473 u8 data = S5K4AA_PAGE_MAP_2;
476 PDEBUG(D_CONF, "Set noise to %d", val);
477 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
482 return m5602_write_sensor(sd, S5K4AA_NOISE_SUPP, &data, 1);
485 static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl)
487 struct gspca_dev *gspca_dev =
488 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
491 if (!gspca_dev->streaming)
495 case V4L2_CID_BRIGHTNESS:
496 err = s5k4aa_set_brightness(gspca_dev, ctrl->val);
498 case V4L2_CID_EXPOSURE:
499 err = s5k4aa_set_exposure(gspca_dev, ctrl->val);
502 err = s5k4aa_set_gain(gspca_dev, ctrl->val);
504 case V4L2_CID_SHARPNESS:
505 err = s5k4aa_set_noise(gspca_dev, ctrl->val);
508 err = s5k4aa_set_hvflip(gspca_dev);
517 void s5k4aa_disconnect(struct sd *sd)
522 static void s5k4aa_dump_registers(struct sd *sd)
526 m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);
527 for (page = 0; page < 16; page++) {
528 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
529 pr_info("Dumping the s5k4aa register state for page 0x%x\n",
531 for (address = 0; address <= 0xff; address++) {
533 m5602_read_sensor(sd, address, &value, 1);
534 pr_info("register 0x%x contains 0x%x\n",
538 pr_info("s5k4aa register state dump complete\n");
540 for (page = 0; page < 16; page++) {
541 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
542 pr_info("Probing for which registers that are read/write for page 0x%x\n",
544 for (address = 0; address <= 0xff; address++) {
545 u8 old_value, ctrl_value, test_value = 0xff;
547 m5602_read_sensor(sd, address, &old_value, 1);
548 m5602_write_sensor(sd, address, &test_value, 1);
549 m5602_read_sensor(sd, address, &ctrl_value, 1);
551 if (ctrl_value == test_value)
552 pr_info("register 0x%x is writeable\n",
555 pr_info("register 0x%x is read only\n",
558 /* Restore original value */
559 m5602_write_sensor(sd, address, &old_value, 1);
562 pr_info("Read/write register probing complete\n");
563 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);