Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 1 | /* |
| 2 | * ov534/ov772x gspca driver |
| 3 | * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it> |
| 4 | * |
| 5 | * Based on a prototype written by Mark Ferrell <majortrips@gmail.com> |
| 6 | * USB protocol reverse engineered by Jim Paris <jim@jtan.com> |
| 7 | * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/ |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #define MODULE_NAME "ov534" |
| 25 | |
| 26 | #include "gspca.h" |
| 27 | |
| 28 | #define OV534_REG_ADDRESS 0xf1 /* ? */ |
| 29 | #define OV534_REG_SUBADDR 0xf2 |
| 30 | #define OV534_REG_WRITE 0xf3 |
| 31 | #define OV534_REG_READ 0xf4 |
| 32 | #define OV534_REG_OPERATION 0xf5 |
| 33 | #define OV534_REG_STATUS 0xf6 |
| 34 | |
| 35 | #define OV534_OP_WRITE_3 0x37 |
| 36 | #define OV534_OP_WRITE_2 0x33 |
| 37 | #define OV534_OP_READ_2 0xf9 |
| 38 | |
| 39 | #define CTRL_TIMEOUT 500 |
| 40 | |
| 41 | MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>"); |
| 42 | MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver"); |
| 43 | MODULE_LICENSE("GPL"); |
| 44 | |
| 45 | /* global parameters */ |
| 46 | static int frame_rate; |
| 47 | |
| 48 | /* specific webcam descriptor */ |
| 49 | struct sd { |
| 50 | struct gspca_dev gspca_dev; /* !! must be the first item */ |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 51 | }; |
| 52 | |
| 53 | /* V4L2 controls supported by the driver */ |
| 54 | static struct ctrl sd_ctrls[] = { |
| 55 | }; |
| 56 | |
| 57 | static struct v4l2_pix_format vga_mode[] = { |
| 58 | {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, |
| 59 | .bytesperline = 640 * 2, |
| 60 | .sizeimage = 640 * 480 * 2, |
| 61 | .colorspace = V4L2_COLORSPACE_JPEG, |
| 62 | .priv = 0}, |
| 63 | }; |
| 64 | |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 65 | static void ov534_reg_write(struct usb_device *udev, u16 reg, u8 val) |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 66 | { |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 67 | u8 data = val; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 68 | int ret; |
| 69 | |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 70 | PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 71 | ret = usb_control_msg(udev, |
| 72 | usb_sndctrlpipe(udev, 0), |
| 73 | 0x1, |
| 74 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 75 | 0x0, reg, &data, 1, CTRL_TIMEOUT); |
| 76 | if (ret < 0) |
| 77 | PDEBUG(D_ERR, "write failed"); |
| 78 | } |
| 79 | |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 80 | static u8 ov534_reg_read(struct usb_device *udev, u16 reg) |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 81 | { |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 82 | u8 data; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 83 | int ret; |
| 84 | |
| 85 | ret = usb_control_msg(udev, |
| 86 | usb_rcvctrlpipe(udev, 0), |
| 87 | 0x1, |
| 88 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 89 | 0x0, reg, &data, 1, CTRL_TIMEOUT); |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 90 | PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, data); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 91 | if (ret < 0) |
| 92 | PDEBUG(D_ERR, "read failed"); |
| 93 | return data; |
| 94 | } |
| 95 | |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 96 | /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. |
| 97 | * (direction and output)? */ |
| 98 | static void ov534_set_led(struct usb_device *udev, int status) |
| 99 | { |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 100 | u8 data; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 101 | |
| 102 | PDEBUG(D_CONF, "led status: %d", status); |
| 103 | |
| 104 | data = ov534_reg_read(udev, 0x21); |
| 105 | data |= 0x80; |
| 106 | ov534_reg_write(udev, 0x21, data); |
| 107 | |
| 108 | data = ov534_reg_read(udev, 0x23); |
| 109 | if (status) |
| 110 | data |= 0x80; |
| 111 | else |
| 112 | data &= ~(0x80); |
| 113 | |
| 114 | ov534_reg_write(udev, 0x23, data); |
| 115 | } |
| 116 | |
| 117 | static int sccb_check_status(struct usb_device *udev) |
| 118 | { |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 119 | u8 data; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 120 | int i; |
| 121 | |
| 122 | for (i = 0; i < 5; i++) { |
| 123 | data = ov534_reg_read(udev, OV534_REG_STATUS); |
| 124 | |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 125 | switch (data) { |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 126 | case 0x00: |
| 127 | return 1; |
| 128 | case 0x04: |
| 129 | return 0; |
| 130 | case 0x03: |
| 131 | break; |
| 132 | default: |
| 133 | PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5\n", |
| 134 | data, i + 1); |
| 135 | } |
| 136 | } |
| 137 | return 0; |
| 138 | } |
| 139 | |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 140 | static void sccb_reg_write(struct usb_device *udev, u16 reg, u8 val) |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 141 | { |
Antonio Ospite | 9e1e7b0 | 2008-12-03 14:10:01 -0300 | [diff] [blame] | 142 | PDEBUG(D_USBO, "reg: 0x%04x, val: 0x%02x", reg, val); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 143 | ov534_reg_write(udev, OV534_REG_SUBADDR, reg); |
| 144 | ov534_reg_write(udev, OV534_REG_WRITE, val); |
| 145 | ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_WRITE_3); |
| 146 | |
| 147 | if (!sccb_check_status(udev)) |
| 148 | PDEBUG(D_ERR, "sccb_reg_write failed"); |
| 149 | } |
| 150 | |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 151 | static const __u8 ov534_reg_initdata[][2] = { |
| 152 | { 0xe7, 0x3a }, |
| 153 | |
| 154 | { OV534_REG_ADDRESS, 0x42 }, /* select OV772x sensor */ |
| 155 | |
| 156 | { 0xc2, 0x0c }, |
| 157 | { 0x88, 0xf8 }, |
| 158 | { 0xc3, 0x69 }, |
| 159 | { 0x89, 0xff }, |
| 160 | { 0x76, 0x03 }, |
| 161 | { 0x92, 0x01 }, |
| 162 | { 0x93, 0x18 }, |
| 163 | { 0x94, 0x10 }, |
| 164 | { 0x95, 0x10 }, |
| 165 | { 0xe2, 0x00 }, |
| 166 | { 0xe7, 0x3e }, |
| 167 | |
| 168 | { 0x1c, 0x0a }, |
| 169 | { 0x1d, 0x22 }, |
| 170 | { 0x1d, 0x06 }, |
| 171 | |
| 172 | { 0x96, 0x00 }, |
| 173 | |
| 174 | { 0x97, 0x20 }, |
| 175 | { 0x97, 0x20 }, |
| 176 | { 0x97, 0x20 }, |
| 177 | { 0x97, 0x0a }, |
| 178 | { 0x97, 0x3f }, |
| 179 | { 0x97, 0x4a }, |
| 180 | { 0x97, 0x20 }, |
| 181 | { 0x97, 0x15 }, |
| 182 | { 0x97, 0x0b }, |
| 183 | |
| 184 | { 0x8e, 0x40 }, |
| 185 | { 0x1f, 0x81 }, |
| 186 | { 0x34, 0x05 }, |
| 187 | { 0xe3, 0x04 }, |
| 188 | { 0x88, 0x00 }, |
| 189 | { 0x89, 0x00 }, |
| 190 | { 0x76, 0x00 }, |
| 191 | { 0xe7, 0x2e }, |
| 192 | { 0x31, 0xf9 }, |
| 193 | { 0x25, 0x42 }, |
| 194 | { 0x21, 0xf0 }, |
| 195 | |
| 196 | { 0x1c, 0x00 }, |
| 197 | { 0x1d, 0x40 }, |
| 198 | { 0x1d, 0x02 }, |
| 199 | { 0x1d, 0x00 }, |
Jim Paris | 5ea9c4d | 2008-12-04 04:36:14 -0300 | [diff] [blame^] | 200 | { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */ |
| 201 | { 0x1d, 0x58 }, /* frame size */ |
| 202 | { 0x1d, 0x00 }, /* frame size */ |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 203 | |
| 204 | { 0x8d, 0x1c }, |
| 205 | { 0x8e, 0x80 }, |
| 206 | { 0xe5, 0x04 }, |
| 207 | |
| 208 | { 0xc0, 0x50 }, |
| 209 | { 0xc1, 0x3c }, |
| 210 | { 0xc2, 0x0c }, |
| 211 | }; |
| 212 | |
| 213 | static const __u8 ov772x_reg_initdata[][2] = { |
| 214 | { 0x12, 0x80 }, |
| 215 | { 0x11, 0x01 }, |
| 216 | |
| 217 | { 0x3d, 0x03 }, |
| 218 | { 0x17, 0x26 }, |
| 219 | { 0x18, 0xa0 }, |
| 220 | { 0x19, 0x07 }, |
| 221 | { 0x1a, 0xf0 }, |
| 222 | { 0x32, 0x00 }, |
| 223 | { 0x29, 0xa0 }, |
| 224 | { 0x2c, 0xf0 }, |
| 225 | { 0x65, 0x20 }, |
| 226 | { 0x11, 0x01 }, |
| 227 | { 0x42, 0x7f }, |
| 228 | { 0x63, 0xe0 }, |
| 229 | { 0x64, 0xff }, |
| 230 | { 0x66, 0x00 }, |
| 231 | { 0x13, 0xf0 }, |
| 232 | { 0x0d, 0x41 }, |
| 233 | { 0x0f, 0xc5 }, |
| 234 | { 0x14, 0x11 }, |
| 235 | |
| 236 | { 0x22, 0x7f }, |
| 237 | { 0x23, 0x03 }, |
| 238 | { 0x24, 0x40 }, |
| 239 | { 0x25, 0x30 }, |
| 240 | { 0x26, 0xa1 }, |
| 241 | { 0x2a, 0x00 }, |
| 242 | { 0x2b, 0x00 }, |
| 243 | { 0x6b, 0xaa }, |
| 244 | { 0x13, 0xff }, |
| 245 | |
| 246 | { 0x90, 0x05 }, |
| 247 | { 0x91, 0x01 }, |
| 248 | { 0x92, 0x03 }, |
| 249 | { 0x93, 0x00 }, |
| 250 | { 0x94, 0x60 }, |
| 251 | { 0x95, 0x3c }, |
| 252 | { 0x96, 0x24 }, |
| 253 | { 0x97, 0x1e }, |
| 254 | { 0x98, 0x62 }, |
| 255 | { 0x99, 0x80 }, |
| 256 | { 0x9a, 0x1e }, |
| 257 | { 0x9b, 0x08 }, |
| 258 | { 0x9c, 0x20 }, |
| 259 | { 0x9e, 0x81 }, |
| 260 | |
| 261 | { 0xa6, 0x04 }, |
| 262 | { 0x7e, 0x0c }, |
| 263 | { 0x7f, 0x16 }, |
| 264 | { 0x80, 0x2a }, |
| 265 | { 0x81, 0x4e }, |
| 266 | { 0x82, 0x61 }, |
| 267 | { 0x83, 0x6f }, |
| 268 | { 0x84, 0x7b }, |
| 269 | { 0x85, 0x86 }, |
| 270 | { 0x86, 0x8e }, |
| 271 | { 0x87, 0x97 }, |
| 272 | { 0x88, 0xa4 }, |
| 273 | { 0x89, 0xaf }, |
| 274 | { 0x8a, 0xc5 }, |
| 275 | { 0x8b, 0xd7 }, |
| 276 | { 0x8c, 0xe8 }, |
| 277 | { 0x8d, 0x20 }, |
| 278 | |
| 279 | { 0x0c, 0x90 }, |
| 280 | |
| 281 | { 0x2b, 0x00 }, |
| 282 | { 0x22, 0x7f }, |
| 283 | { 0x23, 0x03 }, |
| 284 | { 0x11, 0x01 }, |
| 285 | { 0x0c, 0xd0 }, |
| 286 | { 0x64, 0xff }, |
| 287 | { 0x0d, 0x41 }, |
| 288 | |
| 289 | { 0x14, 0x41 }, |
| 290 | { 0x0e, 0xcd }, |
| 291 | { 0xac, 0xbf }, |
| 292 | { 0x8e, 0x00 }, |
| 293 | { 0x0c, 0xd0 } |
| 294 | }; |
| 295 | |
| 296 | |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 297 | /* setup method */ |
| 298 | static void ov534_setup(struct usb_device *udev) |
| 299 | { |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 300 | int i; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 301 | |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 302 | /* Initialize bridge chip */ |
| 303 | for (i = 0; i < ARRAY_SIZE(ov534_reg_initdata); i++) |
| 304 | ov534_reg_write(udev, ov534_reg_initdata[i][0], |
| 305 | ov534_reg_initdata[i][1]); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 306 | |
| 307 | ov534_set_led(udev, 1); |
| 308 | |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 309 | /* Initialize sensor */ |
| 310 | for (i = 0; i < ARRAY_SIZE(ov772x_reg_initdata); i++) |
| 311 | sccb_reg_write(udev, ov772x_reg_initdata[i][0], |
| 312 | ov772x_reg_initdata[i][1]); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 313 | |
| 314 | ov534_reg_write(udev, 0xe0, 0x09); |
| 315 | ov534_set_led(udev, 0); |
| 316 | } |
| 317 | |
| 318 | /* this function is called at probe time */ |
| 319 | static int sd_config(struct gspca_dev *gspca_dev, |
| 320 | const struct usb_device_id *id) |
| 321 | { |
| 322 | struct cam *cam; |
| 323 | |
| 324 | cam = &gspca_dev->cam; |
| 325 | |
| 326 | cam->epaddr = 0x01; |
| 327 | cam->cam_mode = vga_mode; |
| 328 | cam->nmodes = ARRAY_SIZE(vga_mode); |
| 329 | |
Antonio Ospite | 442a43f | 2008-12-03 16:21:08 -0300 | [diff] [blame] | 330 | /* |
| 331 | * On some architectures we need contiguous memory for urb buffers, and |
| 332 | * in low memory situation 'sizeimage' can be too much. |
| 333 | * 16kiB chunks should be available even when we are low in memory. |
| 334 | * TODO: CHECK this description: is the problem arch-dependent or more |
| 335 | * general? |
| 336 | */ |
| 337 | cam->bulk_size = 16 * 1024; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 338 | cam->bulk_nurbs = 2; |
| 339 | |
| 340 | PDEBUG(D_PROBE, "bulk_size = %d", cam->bulk_size); |
| 341 | |
| 342 | return 0; |
| 343 | } |
| 344 | |
| 345 | /* this function is called at probe and resume time */ |
| 346 | static int sd_init(struct gspca_dev *gspca_dev) |
| 347 | { |
Antonio Ospite | 3adba44 | 2008-12-03 14:01:54 -0300 | [diff] [blame] | 348 | int fr; |
| 349 | |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 350 | ov534_setup(gspca_dev->dev); |
| 351 | |
Antonio Ospite | 3adba44 | 2008-12-03 14:01:54 -0300 | [diff] [blame] | 352 | fr = frame_rate; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 353 | |
Antonio Ospite | 3adba44 | 2008-12-03 14:01:54 -0300 | [diff] [blame] | 354 | switch (fr) { |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 355 | case 50: |
| 356 | sccb_reg_write(gspca_dev->dev, 0x11, 0x01); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 357 | sccb_reg_write(gspca_dev->dev, 0x0d, 0x41); |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 358 | ov534_reg_write(gspca_dev->dev, 0xe5, 0x02); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 359 | break; |
| 360 | case 40: |
| 361 | sccb_reg_write(gspca_dev->dev, 0x11, 0x02); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 362 | sccb_reg_write(gspca_dev->dev, 0x0d, 0xc1); |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 363 | ov534_reg_write(gspca_dev->dev, 0xe5, 0x04); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 364 | break; |
Antonio Ospite | 3adba44 | 2008-12-03 14:01:54 -0300 | [diff] [blame] | 365 | /* case 30: */ |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 366 | default: |
Antonio Ospite | 3adba44 | 2008-12-03 14:01:54 -0300 | [diff] [blame] | 367 | fr = 30; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 368 | sccb_reg_write(gspca_dev->dev, 0x11, 0x04); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 369 | sccb_reg_write(gspca_dev->dev, 0x0d, 0x81); |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 370 | ov534_reg_write(gspca_dev->dev, 0xe5, 0x02); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 371 | break; |
| 372 | case 15: |
| 373 | sccb_reg_write(gspca_dev->dev, 0x11, 0x03); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 374 | sccb_reg_write(gspca_dev->dev, 0x0d, 0x41); |
Jim Paris | 47dfd21 | 2008-12-04 04:28:27 -0300 | [diff] [blame] | 375 | ov534_reg_write(gspca_dev->dev, 0xe5, 0x04); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 376 | break; |
Antonio Ospite | 3adba44 | 2008-12-03 14:01:54 -0300 | [diff] [blame] | 377 | } |
| 378 | |
| 379 | PDEBUG(D_PROBE, "frame_rate: %d", fr); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 380 | |
| 381 | return 0; |
| 382 | } |
| 383 | |
| 384 | static int sd_start(struct gspca_dev *gspca_dev) |
| 385 | { |
Antonio Ospite | 442a43f | 2008-12-03 16:21:08 -0300 | [diff] [blame] | 386 | struct gspca_frame *frame; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 387 | |
| 388 | /* start streaming data */ |
| 389 | ov534_set_led(gspca_dev->dev, 1); |
| 390 | ov534_reg_write(gspca_dev->dev, 0xe0, 0x00); |
| 391 | |
Antonio Ospite | 442a43f | 2008-12-03 16:21:08 -0300 | [diff] [blame] | 392 | frame = gspca_get_i_frame(gspca_dev); |
| 393 | if (frame == NULL) { |
| 394 | PDEBUG(D_ERR, "NULL frame!"); |
| 395 | return -1; |
| 396 | } |
| 397 | gspca_frame_add(gspca_dev, FIRST_PACKET, frame, gspca_dev->usb_buf, 0); |
| 398 | |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 399 | return 0; |
| 400 | } |
| 401 | |
| 402 | static void sd_stopN(struct gspca_dev *gspca_dev) |
| 403 | { |
| 404 | /* stop streaming data */ |
| 405 | ov534_reg_write(gspca_dev->dev, 0xe0, 0x09); |
| 406 | ov534_set_led(gspca_dev->dev, 0); |
| 407 | } |
| 408 | |
| 409 | static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame, |
| 410 | __u8 *data, int len) |
| 411 | { |
Antonio Ospite | 442a43f | 2008-12-03 16:21:08 -0300 | [diff] [blame] | 412 | int framesize = frame->v4l2_buf.length; |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 413 | |
Jim Paris | 5ea9c4d | 2008-12-04 04:36:14 -0300 | [diff] [blame^] | 414 | if (len == framesize) { |
| 415 | frame = gspca_frame_add(gspca_dev, FIRST_PACKET, frame, |
| 416 | data, len); |
| 417 | frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 418 | } else |
Jim Paris | 5ea9c4d | 2008-12-04 04:36:14 -0300 | [diff] [blame^] | 419 | PDEBUG(D_PACK, "packet len = %d, framesize = %d", len, |
| 420 | framesize); |
Antonio Ospite | fbb4c6d | 2008-11-22 05:23:39 -0300 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | /* sub-driver description */ |
| 424 | static const struct sd_desc sd_desc = { |
| 425 | .name = MODULE_NAME, |
| 426 | .ctrls = sd_ctrls, |
| 427 | .nctrls = ARRAY_SIZE(sd_ctrls), |
| 428 | .config = sd_config, |
| 429 | .init = sd_init, |
| 430 | .start = sd_start, |
| 431 | .stopN = sd_stopN, |
| 432 | .pkt_scan = sd_pkt_scan, |
| 433 | }; |
| 434 | |
| 435 | /* -- module initialisation -- */ |
| 436 | static const __devinitdata struct usb_device_id device_table[] = { |
| 437 | {USB_DEVICE(0x06f8, 0x3002)}, /* Hercules Blog Webcam */ |
| 438 | {USB_DEVICE(0x06f8, 0x3003)}, /* Hercules Dualpix HD Weblog */ |
| 439 | {USB_DEVICE(0x1415, 0x2000)}, /* Sony HD Eye for PS3 (SLEH 00201) */ |
| 440 | {} |
| 441 | }; |
| 442 | |
| 443 | MODULE_DEVICE_TABLE(usb, device_table); |
| 444 | |
| 445 | /* -- device connect -- */ |
| 446 | static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) |
| 447 | { |
| 448 | return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), |
| 449 | THIS_MODULE); |
| 450 | } |
| 451 | |
| 452 | static struct usb_driver sd_driver = { |
| 453 | .name = MODULE_NAME, |
| 454 | .id_table = device_table, |
| 455 | .probe = sd_probe, |
| 456 | .disconnect = gspca_disconnect, |
| 457 | #ifdef CONFIG_PM |
| 458 | .suspend = gspca_suspend, |
| 459 | .resume = gspca_resume, |
| 460 | #endif |
| 461 | }; |
| 462 | |
| 463 | /* -- module insert / remove -- */ |
| 464 | static int __init sd_mod_init(void) |
| 465 | { |
| 466 | if (usb_register(&sd_driver) < 0) |
| 467 | return -1; |
| 468 | PDEBUG(D_PROBE, "registered"); |
| 469 | return 0; |
| 470 | } |
| 471 | |
| 472 | static void __exit sd_mod_exit(void) |
| 473 | { |
| 474 | usb_deregister(&sd_driver); |
| 475 | PDEBUG(D_PROBE, "deregistered"); |
| 476 | } |
| 477 | |
| 478 | module_init(sd_mod_init); |
| 479 | module_exit(sd_mod_exit); |
| 480 | |
| 481 | module_param(frame_rate, int, 0644); |
| 482 | MODULE_PARM_DESC(frame_rate, "Frame rate (15, 30, 40, 50)"); |