Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for the s5k83a sensor |
| 3 | * |
Erik Andren | 0c505e68 | 2008-10-16 16:43:16 -0300 | [diff] [blame] | 4 | * Copyright (C) 2008 Erik Andrén |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 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> |
| 7 | * |
| 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 |
| 12 | * |
| 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. |
| 16 | * |
| 17 | */ |
| 18 | |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 19 | #include <linux/kthread.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame^] | 20 | #include <linux/slab.h> |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 21 | #include "m5602_s5k83a.h" |
| 22 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 23 | static int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val); |
| 24 | static int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val); |
| 25 | static int s5k83a_set_brightness(struct gspca_dev *gspca_dev, __s32 val); |
| 26 | static int s5k83a_get_brightness(struct gspca_dev *gspca_dev, __s32 *val); |
| 27 | static int s5k83a_set_exposure(struct gspca_dev *gspca_dev, __s32 val); |
| 28 | static int s5k83a_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); |
| 29 | static int s5k83a_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); |
| 30 | static int s5k83a_set_vflip(struct gspca_dev *gspca_dev, __s32 val); |
| 31 | static int s5k83a_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); |
| 32 | static int s5k83a_set_hflip(struct gspca_dev *gspca_dev, __s32 val); |
| 33 | |
Erik Andr?n | 74cadfe | 2008-12-30 16:48:42 -0300 | [diff] [blame] | 34 | static struct v4l2_pix_format s5k83a_modes[] = { |
| 35 | { |
| 36 | 640, |
| 37 | 480, |
| 38 | V4L2_PIX_FMT_SBGGR8, |
| 39 | V4L2_FIELD_NONE, |
| 40 | .sizeimage = |
| 41 | 640 * 480, |
| 42 | .bytesperline = 640, |
| 43 | .colorspace = V4L2_COLORSPACE_SRGB, |
| 44 | .priv = 0 |
| 45 | } |
| 46 | }; |
| 47 | |
Tobias Klauser | 2e03669 | 2009-04-26 09:30:18 -0300 | [diff] [blame] | 48 | static const struct ctrl s5k83a_ctrls[] = { |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 49 | #define GAIN_IDX 0 |
| 50 | { |
| 51 | { |
| 52 | .id = V4L2_CID_GAIN, |
| 53 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 54 | .name = "gain", |
| 55 | .minimum = 0x00, |
| 56 | .maximum = 0xff, |
| 57 | .step = 0x01, |
| 58 | .default_value = S5K83A_DEFAULT_GAIN, |
| 59 | .flags = V4L2_CTRL_FLAG_SLIDER |
| 60 | }, |
| 61 | .set = s5k83a_set_gain, |
| 62 | .get = s5k83a_get_gain |
| 63 | |
| 64 | }, |
| 65 | #define BRIGHTNESS_IDX 1 |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 66 | { |
| 67 | { |
| 68 | .id = V4L2_CID_BRIGHTNESS, |
| 69 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 70 | .name = "brightness", |
| 71 | .minimum = 0x00, |
| 72 | .maximum = 0xff, |
| 73 | .step = 0x01, |
| 74 | .default_value = S5K83A_DEFAULT_BRIGHTNESS, |
| 75 | .flags = V4L2_CTRL_FLAG_SLIDER |
| 76 | }, |
| 77 | .set = s5k83a_set_brightness, |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 78 | .get = s5k83a_get_brightness, |
| 79 | }, |
| 80 | #define EXPOSURE_IDX 2 |
| 81 | { |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 82 | { |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 83 | .id = V4L2_CID_EXPOSURE, |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 84 | .type = V4L2_CTRL_TYPE_INTEGER, |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 85 | .name = "exposure", |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 86 | .minimum = 0x00, |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 87 | .maximum = S5K83A_MAXIMUM_EXPOSURE, |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 88 | .step = 0x01, |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 89 | .default_value = S5K83A_DEFAULT_EXPOSURE, |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 90 | .flags = V4L2_CTRL_FLAG_SLIDER |
| 91 | }, |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 92 | .set = s5k83a_set_exposure, |
| 93 | .get = s5k83a_get_exposure |
| 94 | }, |
| 95 | #define HFLIP_IDX 3 |
| 96 | { |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 97 | { |
Erik Andr?n | 00e0256 | 2009-01-20 14:53:21 -0300 | [diff] [blame] | 98 | .id = V4L2_CID_HFLIP, |
| 99 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 100 | .name = "horizontal flip", |
| 101 | .minimum = 0, |
| 102 | .maximum = 1, |
| 103 | .step = 1, |
| 104 | .default_value = 0 |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 105 | }, |
| 106 | .set = s5k83a_set_hflip, |
| 107 | .get = s5k83a_get_hflip |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 108 | }, |
| 109 | #define VFLIP_IDX 4 |
| 110 | { |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 111 | { |
Erik Andr?n | 00e0256 | 2009-01-20 14:53:21 -0300 | [diff] [blame] | 112 | .id = V4L2_CID_VFLIP, |
| 113 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 114 | .name = "vertical flip", |
| 115 | .minimum = 0, |
| 116 | .maximum = 1, |
| 117 | .step = 1, |
| 118 | .default_value = 0 |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 119 | }, |
| 120 | .set = s5k83a_set_vflip, |
| 121 | .get = s5k83a_get_vflip |
| 122 | } |
| 123 | }; |
| 124 | |
Erik Andrén | 658efb6 | 2008-11-24 14:21:29 -0300 | [diff] [blame] | 125 | static void s5k83a_dump_registers(struct sd *sd); |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 126 | static int s5k83a_get_rotation(struct sd *sd, u8 *reg_data); |
| 127 | static int s5k83a_set_led_indication(struct sd *sd, u8 val); |
Erik Andrén | 57851d0 | 2009-04-27 15:38:05 -0300 | [diff] [blame] | 128 | static int s5k83a_set_flip_real(struct gspca_dev *gspca_dev, |
| 129 | __s32 vflip, __s32 hflip); |
Erik Andrén | 658efb6 | 2008-11-24 14:21:29 -0300 | [diff] [blame] | 130 | |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 131 | int s5k83a_probe(struct sd *sd) |
| 132 | { |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 133 | struct s5k83a_priv *sens_priv; |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 134 | u8 prod_id = 0, ver_id = 0; |
| 135 | int i, err = 0; |
| 136 | |
| 137 | if (force_sensor) { |
| 138 | if (force_sensor == S5K83A_SENSOR) { |
| 139 | info("Forcing a %s sensor", s5k83a.name); |
| 140 | goto sensor_found; |
| 141 | } |
| 142 | /* If we want to force another sensor, don't try to probe this |
| 143 | * one */ |
| 144 | return -ENODEV; |
| 145 | } |
| 146 | |
Erik Andrén | 969cc92 | 2009-12-27 05:53:28 -0300 | [diff] [blame] | 147 | PDEBUG(D_PROBE, "Probing for a s5k83a sensor"); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 148 | |
| 149 | /* Preinit the sensor */ |
| 150 | for (i = 0; i < ARRAY_SIZE(preinit_s5k83a) && !err; i++) { |
| 151 | u8 data[2] = {preinit_s5k83a[i][2], preinit_s5k83a[i][3]}; |
| 152 | if (preinit_s5k83a[i][0] == SENSOR) |
Erik Andrén | 6dc4cff | 2008-11-26 04:08:10 -0300 | [diff] [blame] | 153 | err = m5602_write_sensor(sd, preinit_s5k83a[i][1], |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 154 | data, 2); |
| 155 | else |
| 156 | err = m5602_write_bridge(sd, preinit_s5k83a[i][1], |
| 157 | data[0]); |
| 158 | } |
| 159 | |
| 160 | /* We don't know what register (if any) that contain the product id |
| 161 | * Just pick the first addresses that seem to produce the same results |
| 162 | * on multiple machines */ |
Erik Andrén | 6b9c0a2 | 2008-11-27 13:54:13 -0300 | [diff] [blame] | 163 | if (m5602_read_sensor(sd, 0x00, &prod_id, 1)) |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 164 | return -ENODEV; |
| 165 | |
Erik Andrén | 6b9c0a2 | 2008-11-27 13:54:13 -0300 | [diff] [blame] | 166 | if (m5602_read_sensor(sd, 0x01, &ver_id, 1)) |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 167 | return -ENODEV; |
| 168 | |
| 169 | if ((prod_id == 0xff) || (ver_id == 0xff)) |
| 170 | return -ENODEV; |
| 171 | else |
| 172 | info("Detected a s5k83a sensor"); |
| 173 | |
| 174 | sensor_found: |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 175 | sens_priv = kmalloc( |
| 176 | sizeof(struct s5k83a_priv), GFP_KERNEL); |
| 177 | if (!sens_priv) |
| 178 | return -ENOMEM; |
| 179 | |
| 180 | sens_priv->settings = |
| 181 | kmalloc(sizeof(s32)*ARRAY_SIZE(s5k83a_ctrls), GFP_KERNEL); |
Julia Lawall | b807d17 | 2009-08-04 22:00:24 -0300 | [diff] [blame] | 182 | if (!sens_priv->settings) { |
| 183 | kfree(sens_priv); |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 184 | return -ENOMEM; |
Julia Lawall | b807d17 | 2009-08-04 22:00:24 -0300 | [diff] [blame] | 185 | } |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 186 | |
Erik Andr?n | 74cadfe | 2008-12-30 16:48:42 -0300 | [diff] [blame] | 187 | sd->gspca_dev.cam.cam_mode = s5k83a_modes; |
| 188 | sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k83a_modes); |
Erik Andr?n | e17cc08 | 2008-12-30 17:06:55 -0300 | [diff] [blame] | 189 | sd->desc->ctrls = s5k83a_ctrls; |
Erik Andr?n | e4cc4fc | 2008-12-30 15:27:17 -0300 | [diff] [blame] | 190 | sd->desc->nctrls = ARRAY_SIZE(s5k83a_ctrls); |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 191 | |
| 192 | /* null the pointer! thread is't running now */ |
| 193 | sens_priv->rotation_thread = NULL; |
| 194 | |
| 195 | for (i = 0; i < ARRAY_SIZE(s5k83a_ctrls); i++) |
| 196 | sens_priv->settings[i] = s5k83a_ctrls[i].qctrl.default_value; |
| 197 | |
| 198 | sd->sensor_priv = sens_priv; |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 199 | return 0; |
| 200 | } |
| 201 | |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 202 | int s5k83a_init(struct sd *sd) |
| 203 | { |
| 204 | int i, err = 0; |
Lukas Karas | c41507b | 2009-01-21 13:14:07 -0300 | [diff] [blame] | 205 | s32 *sensor_settings = |
| 206 | ((struct s5k83a_priv *) sd->sensor_priv)->settings; |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 207 | |
| 208 | for (i = 0; i < ARRAY_SIZE(init_s5k83a) && !err; i++) { |
| 209 | u8 data[2] = {0x00, 0x00}; |
| 210 | |
| 211 | switch (init_s5k83a[i][0]) { |
| 212 | case BRIDGE: |
| 213 | err = m5602_write_bridge(sd, |
| 214 | init_s5k83a[i][1], |
| 215 | init_s5k83a[i][2]); |
| 216 | break; |
| 217 | |
| 218 | case SENSOR: |
| 219 | data[0] = init_s5k83a[i][2]; |
Erik Andrén | 6dc4cff | 2008-11-26 04:08:10 -0300 | [diff] [blame] | 220 | err = m5602_write_sensor(sd, |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 221 | init_s5k83a[i][1], data, 1); |
| 222 | break; |
| 223 | |
| 224 | case SENSOR_LONG: |
| 225 | data[0] = init_s5k83a[i][2]; |
| 226 | data[1] = init_s5k83a[i][3]; |
Erik Andrén | 6dc4cff | 2008-11-26 04:08:10 -0300 | [diff] [blame] | 227 | err = m5602_write_sensor(sd, |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 228 | init_s5k83a[i][1], data, 2); |
| 229 | break; |
| 230 | default: |
| 231 | info("Invalid stream command, exiting init"); |
| 232 | return -EINVAL; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | if (dump_sensor) |
| 237 | s5k83a_dump_registers(sd); |
| 238 | |
Erik Andrén | 57851d0 | 2009-04-27 15:38:05 -0300 | [diff] [blame] | 239 | err = s5k83a_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]); |
| 240 | if (err < 0) |
| 241 | return err; |
| 242 | |
| 243 | err = s5k83a_set_brightness(&sd->gspca_dev, |
| 244 | sensor_settings[BRIGHTNESS_IDX]); |
| 245 | if (err < 0) |
| 246 | return err; |
| 247 | |
| 248 | err = s5k83a_set_exposure(&sd->gspca_dev, |
| 249 | sensor_settings[EXPOSURE_IDX]); |
| 250 | if (err < 0) |
| 251 | return err; |
| 252 | |
| 253 | err = s5k83a_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]); |
| 254 | if (err < 0) |
| 255 | return err; |
| 256 | |
| 257 | err = s5k83a_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]); |
| 258 | |
| 259 | return err; |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 260 | } |
| 261 | |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 262 | static int rotation_thread_function(void *data) |
| 263 | { |
| 264 | struct sd *sd = (struct sd *) data; |
| 265 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 266 | u8 reg, previous_rotation = 0; |
| 267 | __s32 vflip, hflip; |
| 268 | |
| 269 | set_current_state(TASK_INTERRUPTIBLE); |
| 270 | while (!schedule_timeout(100)) { |
| 271 | if (mutex_lock_interruptible(&sd->gspca_dev.usb_lock)) |
| 272 | break; |
| 273 | |
| 274 | s5k83a_get_rotation(sd, ®); |
| 275 | if (previous_rotation != reg) { |
| 276 | previous_rotation = reg; |
| 277 | info("Camera was flipped"); |
| 278 | |
| 279 | s5k83a_get_vflip((struct gspca_dev *) sd, &vflip); |
| 280 | s5k83a_get_hflip((struct gspca_dev *) sd, &hflip); |
| 281 | |
| 282 | if (reg) { |
| 283 | vflip = !vflip; |
| 284 | hflip = !hflip; |
| 285 | } |
Erik Andrén | 1b844b5 | 2009-05-03 15:31:55 -0300 | [diff] [blame] | 286 | s5k83a_set_flip_real((struct gspca_dev *) sd, |
| 287 | vflip, hflip); |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | mutex_unlock(&sd->gspca_dev.usb_lock); |
| 291 | set_current_state(TASK_INTERRUPTIBLE); |
| 292 | } |
| 293 | |
| 294 | /* return to "front" flip */ |
| 295 | if (previous_rotation) { |
| 296 | s5k83a_get_vflip((struct gspca_dev *) sd, &vflip); |
| 297 | s5k83a_get_hflip((struct gspca_dev *) sd, &hflip); |
| 298 | s5k83a_set_flip_real((struct gspca_dev *) sd, vflip, hflip); |
| 299 | } |
| 300 | |
| 301 | sens_priv->rotation_thread = NULL; |
| 302 | return 0; |
| 303 | } |
| 304 | |
Lukas Karas | 4a7581f | 2008-12-28 14:09:21 -0300 | [diff] [blame] | 305 | int s5k83a_start(struct sd *sd) |
| 306 | { |
Erik Andrén | cde41bb | 2009-01-21 03:33:14 -0300 | [diff] [blame] | 307 | int i, err = 0; |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 308 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 309 | |
| 310 | /* Create another thread, polling the GPIO ports of the camera to check |
| 311 | if it got rotated. This is how the windows driver does it so we have |
| 312 | to assume that there is no better way of accomplishing this */ |
Erik Andrén | 57851d0 | 2009-04-27 15:38:05 -0300 | [diff] [blame] | 313 | sens_priv->rotation_thread = kthread_create(rotation_thread_function, |
Erik Andrén | cde41bb | 2009-01-21 03:33:14 -0300 | [diff] [blame] | 314 | sd, "rotation thread"); |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 315 | wake_up_process(sens_priv->rotation_thread); |
| 316 | |
Erik Andrén | cde41bb | 2009-01-21 03:33:14 -0300 | [diff] [blame] | 317 | /* Preinit the sensor */ |
| 318 | for (i = 0; i < ARRAY_SIZE(start_s5k83a) && !err; i++) { |
| 319 | u8 data[2] = {start_s5k83a[i][2], start_s5k83a[i][3]}; |
| 320 | if (start_s5k83a[i][0] == SENSOR) |
| 321 | err = m5602_write_sensor(sd, start_s5k83a[i][1], |
| 322 | data, 2); |
| 323 | else |
| 324 | err = m5602_write_bridge(sd, start_s5k83a[i][1], |
| 325 | data[0]); |
| 326 | } |
| 327 | if (err < 0) |
| 328 | return err; |
| 329 | |
Lukas Karas | 4a7581f | 2008-12-28 14:09:21 -0300 | [diff] [blame] | 330 | return s5k83a_set_led_indication(sd, 1); |
| 331 | } |
| 332 | |
| 333 | int s5k83a_stop(struct sd *sd) |
| 334 | { |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 335 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 336 | |
| 337 | if (sens_priv->rotation_thread) |
| 338 | kthread_stop(sens_priv->rotation_thread); |
| 339 | |
Lukas Karas | 4a7581f | 2008-12-28 14:09:21 -0300 | [diff] [blame] | 340 | return s5k83a_set_led_indication(sd, 0); |
| 341 | } |
| 342 | |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 343 | void s5k83a_disconnect(struct sd *sd) |
| 344 | { |
| 345 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 346 | |
| 347 | s5k83a_stop(sd); |
| 348 | |
| 349 | sd->sensor = NULL; |
| 350 | kfree(sens_priv->settings); |
| 351 | kfree(sens_priv); |
| 352 | } |
| 353 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 354 | static int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 355 | { |
| 356 | struct sd *sd = (struct sd *) gspca_dev; |
| 357 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 358 | |
| 359 | *val = sens_priv->settings[GAIN_IDX]; |
| 360 | return 0; |
| 361 | } |
| 362 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 363 | static int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 364 | { |
| 365 | int err; |
| 366 | u8 data[2]; |
| 367 | struct sd *sd = (struct sd *) gspca_dev; |
| 368 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 369 | |
| 370 | sens_priv->settings[GAIN_IDX] = val; |
| 371 | |
| 372 | data[0] = 0x00; |
| 373 | data[1] = 0x20; |
| 374 | err = m5602_write_sensor(sd, 0x14, data, 2); |
| 375 | if (err < 0) |
| 376 | return err; |
| 377 | |
| 378 | data[0] = 0x01; |
| 379 | data[1] = 0x00; |
| 380 | err = m5602_write_sensor(sd, 0x0d, data, 2); |
| 381 | if (err < 0) |
| 382 | return err; |
| 383 | |
| 384 | /* FIXME: This is not sane, we need to figure out the composition |
| 385 | of these registers */ |
| 386 | data[0] = val >> 3; /* gain, high 5 bits */ |
| 387 | data[1] = val >> 1; /* gain, high 7 bits */ |
| 388 | err = m5602_write_sensor(sd, S5K83A_GAIN, data, 2); |
| 389 | |
| 390 | return err; |
| 391 | } |
| 392 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 393 | static int s5k83a_get_brightness(struct gspca_dev *gspca_dev, __s32 *val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 394 | { |
| 395 | struct sd *sd = (struct sd *) gspca_dev; |
| 396 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 397 | |
| 398 | *val = sens_priv->settings[BRIGHTNESS_IDX]; |
| 399 | return 0; |
| 400 | } |
| 401 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 402 | static int s5k83a_set_brightness(struct gspca_dev *gspca_dev, __s32 val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 403 | { |
| 404 | int err; |
| 405 | u8 data[1]; |
| 406 | struct sd *sd = (struct sd *) gspca_dev; |
| 407 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 408 | |
| 409 | sens_priv->settings[BRIGHTNESS_IDX] = val; |
| 410 | data[0] = val; |
| 411 | err = m5602_write_sensor(sd, S5K83A_BRIGHTNESS, data, 1); |
| 412 | return err; |
| 413 | } |
| 414 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 415 | static int s5k83a_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 416 | { |
| 417 | struct sd *sd = (struct sd *) gspca_dev; |
| 418 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 419 | |
| 420 | *val = sens_priv->settings[EXPOSURE_IDX]; |
| 421 | return 0; |
| 422 | } |
| 423 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 424 | static int s5k83a_set_exposure(struct gspca_dev *gspca_dev, __s32 val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 425 | { |
| 426 | int err; |
| 427 | u8 data[2]; |
| 428 | struct sd *sd = (struct sd *) gspca_dev; |
| 429 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 430 | |
| 431 | sens_priv->settings[EXPOSURE_IDX] = val; |
| 432 | data[0] = 0; |
| 433 | data[1] = val; |
| 434 | err = m5602_write_sensor(sd, S5K83A_EXPOSURE, data, 2); |
| 435 | return err; |
| 436 | } |
| 437 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 438 | static int s5k83a_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 439 | { |
| 440 | struct sd *sd = (struct sd *) gspca_dev; |
| 441 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 442 | |
| 443 | *val = sens_priv->settings[VFLIP_IDX]; |
| 444 | return 0; |
| 445 | } |
| 446 | |
Erik Andrén | 57851d0 | 2009-04-27 15:38:05 -0300 | [diff] [blame] | 447 | static int s5k83a_set_flip_real(struct gspca_dev *gspca_dev, |
| 448 | __s32 vflip, __s32 hflip) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 449 | { |
| 450 | int err; |
| 451 | u8 data[1]; |
| 452 | struct sd *sd = (struct sd *) gspca_dev; |
| 453 | |
| 454 | data[0] = 0x05; |
| 455 | err = m5602_write_sensor(sd, S5K83A_PAGE_MAP, data, 1); |
| 456 | if (err < 0) |
| 457 | return err; |
| 458 | |
| 459 | /* six bit is vflip, seven is hflip */ |
| 460 | data[0] = S5K83A_FLIP_MASK; |
| 461 | data[0] = (vflip) ? data[0] | 0x40 : data[0]; |
| 462 | data[0] = (hflip) ? data[0] | 0x80 : data[0]; |
| 463 | |
| 464 | err = m5602_write_sensor(sd, S5K83A_FLIP, data, 1); |
| 465 | if (err < 0) |
| 466 | return err; |
| 467 | |
| 468 | data[0] = (vflip) ? 0x0b : 0x0a; |
| 469 | err = m5602_write_sensor(sd, S5K83A_VFLIP_TUNE, data, 1); |
| 470 | if (err < 0) |
| 471 | return err; |
| 472 | |
| 473 | data[0] = (hflip) ? 0x0a : 0x0b; |
| 474 | err = m5602_write_sensor(sd, S5K83A_HFLIP_TUNE, data, 1); |
| 475 | return err; |
| 476 | } |
| 477 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 478 | static int s5k83a_set_vflip(struct gspca_dev *gspca_dev, __s32 val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 479 | { |
| 480 | int err; |
| 481 | u8 reg; |
| 482 | __s32 hflip; |
| 483 | struct sd *sd = (struct sd *) gspca_dev; |
| 484 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 485 | |
| 486 | sens_priv->settings[VFLIP_IDX] = val; |
| 487 | |
| 488 | s5k83a_get_hflip(gspca_dev, &hflip); |
| 489 | |
| 490 | err = s5k83a_get_rotation(sd, ®); |
| 491 | if (err < 0) |
| 492 | return err; |
| 493 | if (reg) { |
| 494 | val = !val; |
| 495 | hflip = !hflip; |
| 496 | } |
| 497 | |
| 498 | err = s5k83a_set_flip_real(gspca_dev, val, hflip); |
| 499 | return err; |
| 500 | } |
| 501 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 502 | static int s5k83a_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 503 | { |
| 504 | struct sd *sd = (struct sd *) gspca_dev; |
| 505 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 506 | |
| 507 | *val = sens_priv->settings[HFLIP_IDX]; |
| 508 | return 0; |
| 509 | } |
| 510 | |
Erik Andr?n | cf811d5 | 2009-04-03 02:49:10 -0300 | [diff] [blame] | 511 | static int s5k83a_set_hflip(struct gspca_dev *gspca_dev, __s32 val) |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 512 | { |
| 513 | int err; |
| 514 | u8 reg; |
| 515 | __s32 vflip; |
| 516 | struct sd *sd = (struct sd *) gspca_dev; |
| 517 | struct s5k83a_priv *sens_priv = sd->sensor_priv; |
| 518 | |
| 519 | sens_priv->settings[HFLIP_IDX] = val; |
| 520 | |
| 521 | s5k83a_get_vflip(gspca_dev, &vflip); |
| 522 | |
| 523 | err = s5k83a_get_rotation(sd, ®); |
| 524 | if (err < 0) |
| 525 | return err; |
| 526 | if (reg) { |
| 527 | val = !val; |
| 528 | vflip = !vflip; |
| 529 | } |
| 530 | |
| 531 | err = s5k83a_set_flip_real(gspca_dev, vflip, val); |
| 532 | return err; |
| 533 | } |
| 534 | |
| 535 | static int s5k83a_set_led_indication(struct sd *sd, u8 val) |
| 536 | { |
| 537 | int err = 0; |
| 538 | u8 data[1]; |
| 539 | |
| 540 | err = m5602_read_bridge(sd, M5602_XB_GPIO_DAT, data); |
| 541 | if (err < 0) |
| 542 | return err; |
| 543 | |
| 544 | if (val) |
| 545 | data[0] = data[0] | S5K83A_GPIO_LED_MASK; |
| 546 | else |
| 547 | data[0] = data[0] & ~S5K83A_GPIO_LED_MASK; |
| 548 | |
| 549 | err = m5602_write_bridge(sd, M5602_XB_GPIO_DAT, data[0]); |
| 550 | |
Erik Andrén | 57851d0 | 2009-04-27 15:38:05 -0300 | [diff] [blame] | 551 | return err; |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 552 | } |
| 553 | |
| 554 | /* Get camera rotation on Acer notebooks */ |
| 555 | static int s5k83a_get_rotation(struct sd *sd, u8 *reg_data) |
| 556 | { |
| 557 | int err = m5602_read_bridge(sd, M5602_XB_GPIO_DAT, reg_data); |
| 558 | *reg_data = (*reg_data & S5K83A_GPIO_ROTATION_MASK) ? 0 : 1; |
| 559 | return err; |
| 560 | } |
| 561 | |
Mauro Carvalho Chehab | ffbc5f8 | 2009-01-05 01:34:20 -0300 | [diff] [blame] | 562 | static void s5k83a_dump_registers(struct sd *sd) |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 563 | { |
| 564 | int address; |
| 565 | u8 page, old_page; |
Erik Andrén | 6b9c0a2 | 2008-11-27 13:54:13 -0300 | [diff] [blame] | 566 | m5602_read_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 567 | |
| 568 | for (page = 0; page < 16; page++) { |
Erik Andrén | 6dc4cff | 2008-11-26 04:08:10 -0300 | [diff] [blame] | 569 | m5602_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 570 | info("Dumping the s5k83a register state for page 0x%x", page); |
| 571 | for (address = 0; address <= 0xff; address++) { |
| 572 | u8 val = 0; |
Erik Andrén | 6b9c0a2 | 2008-11-27 13:54:13 -0300 | [diff] [blame] | 573 | m5602_read_sensor(sd, address, &val, 1); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 574 | info("register 0x%x contains 0x%x", |
| 575 | address, val); |
| 576 | } |
| 577 | } |
| 578 | info("s5k83a register state dump complete"); |
| 579 | |
| 580 | for (page = 0; page < 16; page++) { |
Erik Andrén | 6dc4cff | 2008-11-26 04:08:10 -0300 | [diff] [blame] | 581 | m5602_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 582 | info("Probing for which registers that are read/write " |
Luk?? Karas | ac3d5bf | 2009-04-03 02:45:56 -0300 | [diff] [blame] | 583 | "for page 0x%x", page); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 584 | for (address = 0; address <= 0xff; address++) { |
| 585 | u8 old_val, ctrl_val, test_val = 0xff; |
| 586 | |
Erik Andrén | 6b9c0a2 | 2008-11-27 13:54:13 -0300 | [diff] [blame] | 587 | m5602_read_sensor(sd, address, &old_val, 1); |
Erik Andrén | 6dc4cff | 2008-11-26 04:08:10 -0300 | [diff] [blame] | 588 | m5602_write_sensor(sd, address, &test_val, 1); |
Erik Andrén | 6b9c0a2 | 2008-11-27 13:54:13 -0300 | [diff] [blame] | 589 | m5602_read_sensor(sd, address, &ctrl_val, 1); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 590 | |
| 591 | if (ctrl_val == test_val) |
| 592 | info("register 0x%x is writeable", address); |
| 593 | else |
| 594 | info("register 0x%x is read only", address); |
| 595 | |
| 596 | /* Restore original val */ |
Erik Andrén | 6dc4cff | 2008-11-26 04:08:10 -0300 | [diff] [blame] | 597 | m5602_write_sensor(sd, address, &old_val, 1); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 598 | } |
| 599 | } |
| 600 | info("Read/write register probing complete"); |
Erik Andrén | 6dc4cff | 2008-11-26 04:08:10 -0300 | [diff] [blame] | 601 | m5602_write_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1); |
Erik Andren | c109f81 | 2008-10-01 04:51:53 -0300 | [diff] [blame] | 602 | } |