Erik Andren | 4c98834 | 2008-12-29 07:35:23 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher |
| 3 | * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland |
| 4 | * Copyright (c) 2002, 2003 Tuukka Toivonen |
| 5 | * Copyright (c) 2008 Erik Andrén |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 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 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | * |
| 21 | * P/N 861037: Sensor HDCS1000 ASIC STV0600 |
| 22 | * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600 |
| 23 | * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express |
| 24 | * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam |
| 25 | * P/N 861075-0040: Sensor HDCS1000 ASIC |
| 26 | * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB |
| 27 | * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web |
| 28 | */ |
| 29 | |
| 30 | #include "stv06xx_vv6410.h" |
| 31 | |
| 32 | static int vv6410_probe(struct sd *sd) |
| 33 | { |
| 34 | u16 data; |
| 35 | int err; |
| 36 | |
| 37 | err = stv06xx_read_sensor(sd, VV6410_DEVICEH, &data); |
| 38 | |
| 39 | if (err < 0) |
| 40 | return -ENODEV; |
| 41 | |
| 42 | if (data == 0x19) { |
| 43 | info("vv6410 sensor detected"); |
| 44 | |
| 45 | sd->gspca_dev.cam.cam_mode = stv06xx_sensor_vv6410.modes; |
| 46 | sd->gspca_dev.cam.nmodes = stv06xx_sensor_vv6410.nmodes; |
| 47 | sd->desc.ctrls = stv06xx_sensor_vv6410.ctrls; |
| 48 | sd->desc.nctrls = stv06xx_sensor_vv6410.nctrls; |
| 49 | return 0; |
| 50 | } |
| 51 | |
| 52 | return -ENODEV; |
| 53 | } |
| 54 | |
| 55 | static int vv6410_init(struct sd *sd) |
| 56 | { |
| 57 | int err = 0, i; |
| 58 | |
| 59 | for (i = 0; i < ARRAY_SIZE(stv_bridge_init); i++) { |
| 60 | /* if NULL then len contains single value */ |
| 61 | if (stv_bridge_init[i].data == NULL) { |
| 62 | err = stv06xx_write_bridge(sd, |
| 63 | stv_bridge_init[i].start, |
| 64 | stv_bridge_init[i].len); |
| 65 | } else { |
| 66 | int j; |
| 67 | for (j = 0; j < stv_bridge_init[i].len; j++) |
| 68 | err = stv06xx_write_bridge(sd, |
| 69 | stv_bridge_init[i].start + j, |
| 70 | stv_bridge_init[i].data[j]); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | if (err < 0) |
| 75 | return err; |
| 76 | |
| 77 | err = stv06xx_write_sensor_bytes(sd, (u8 *) vv6410_sensor_init, |
| 78 | ARRAY_SIZE(vv6410_sensor_init)); |
| 79 | |
| 80 | return (err < 0) ? err : 0; |
| 81 | } |
| 82 | |
| 83 | static int vv6410_start(struct sd *sd) |
| 84 | { |
| 85 | int err; |
| 86 | struct cam *cam = &sd->gspca_dev.cam; |
| 87 | u32 priv = cam->cam_mode[sd->gspca_dev.curr_mode].priv; |
| 88 | |
| 89 | if (priv & VV6410_CROP_TO_QVGA) { |
| 90 | PDEBUG(D_CONF, "Cropping to QVGA"); |
| 91 | stv06xx_write_sensor(sd, VV6410_XENDH, 320 - 1); |
| 92 | stv06xx_write_sensor(sd, VV6410_YENDH, 240 - 1); |
| 93 | } else { |
| 94 | stv06xx_write_sensor(sd, VV6410_XENDH, 360 - 1); |
| 95 | stv06xx_write_sensor(sd, VV6410_YENDH, 294 - 1); |
| 96 | } |
| 97 | |
| 98 | if (priv & VV6410_SUBSAMPLE) { |
| 99 | PDEBUG(D_CONF, "Enabling subsampling"); |
| 100 | stv06xx_write_bridge(sd, STV_Y_CTRL, 0x02); |
| 101 | stv06xx_write_bridge(sd, STV_X_CTRL, 0x06); |
| 102 | |
| 103 | stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x10); |
| 104 | } else { |
| 105 | stv06xx_write_bridge(sd, STV_Y_CTRL, 0x01); |
| 106 | stv06xx_write_bridge(sd, STV_X_CTRL, 0x0a); |
| 107 | |
| 108 | stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x20); |
| 109 | } |
| 110 | |
| 111 | /* Turn on LED */ |
| 112 | err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_ON); |
| 113 | if (err < 0) |
| 114 | return err; |
| 115 | |
| 116 | err = stv06xx_write_sensor(sd, VV6410_SETUP0, 0); |
| 117 | if (err < 0) |
| 118 | return err; |
| 119 | |
| 120 | PDEBUG(D_STREAM, "Starting stream"); |
| 121 | |
| 122 | return 0; |
| 123 | } |
| 124 | |
| 125 | static int vv6410_stop(struct sd *sd) |
| 126 | { |
| 127 | int err; |
| 128 | |
| 129 | /* Turn off LED */ |
| 130 | err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_OFF); |
| 131 | if (err < 0) |
| 132 | return err; |
| 133 | |
| 134 | err = stv06xx_write_sensor(sd, VV6410_SETUP0, VV6410_LOW_POWER_MODE); |
| 135 | if (err < 0) |
| 136 | return err; |
| 137 | |
| 138 | PDEBUG(D_STREAM, "Halting stream"); |
| 139 | |
| 140 | return (err < 0) ? err : 0; |
| 141 | } |
| 142 | |
| 143 | static int vv6410_dump(struct sd *sd) |
| 144 | { |
| 145 | u8 i; |
| 146 | int err = 0; |
| 147 | |
| 148 | info("Dumping all vv6410 sensor registers"); |
| 149 | for (i = 0; i < 0xff && !err; i++) { |
| 150 | u16 data; |
| 151 | err = stv06xx_read_sensor(sd, i, &data); |
| 152 | info("Register 0x%x contained 0x%x", i, data); |
| 153 | } |
| 154 | return (err < 0) ? err : 0; |
| 155 | } |
| 156 | |
| 157 | static int vv6410_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) |
| 158 | { |
| 159 | int err; |
| 160 | u16 i2c_data; |
| 161 | struct sd *sd = (struct sd *) gspca_dev; |
| 162 | |
| 163 | err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data); |
| 164 | |
| 165 | *val = (i2c_data & VV6410_HFLIP) ? 1 : 0; |
| 166 | |
| 167 | PDEBUG(D_V4L2, "Read horizontal flip %d", *val); |
| 168 | |
| 169 | return (err < 0) ? err : 0; |
| 170 | } |
| 171 | |
| 172 | static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val) |
| 173 | { |
| 174 | int err; |
| 175 | u16 i2c_data; |
| 176 | struct sd *sd = (struct sd *) gspca_dev; |
| 177 | err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data); |
| 178 | if (err < 0) |
| 179 | return err; |
| 180 | |
| 181 | if (val) |
| 182 | i2c_data |= VV6410_HFLIP; |
| 183 | else |
| 184 | i2c_data &= ~VV6410_HFLIP; |
| 185 | |
| 186 | PDEBUG(D_V4L2, "Set horizontal flip to %d", val); |
| 187 | err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data); |
| 188 | |
| 189 | return (err < 0) ? err : 0; |
| 190 | } |
| 191 | |
| 192 | static int vv6410_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) |
| 193 | { |
| 194 | int err; |
| 195 | u16 i2c_data; |
| 196 | struct sd *sd = (struct sd *) gspca_dev; |
| 197 | |
| 198 | err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data); |
| 199 | |
| 200 | *val = (i2c_data & VV6410_VFLIP) ? 1 : 0; |
| 201 | |
| 202 | PDEBUG(D_V4L2, "Read vertical flip %d", *val); |
| 203 | |
| 204 | return (err < 0) ? err : 0; |
| 205 | } |
| 206 | |
| 207 | static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val) |
| 208 | { |
| 209 | int err; |
| 210 | u16 i2c_data; |
| 211 | struct sd *sd = (struct sd *) gspca_dev; |
| 212 | err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data); |
| 213 | if (err < 0) |
| 214 | return err; |
| 215 | |
| 216 | if (val) |
| 217 | i2c_data |= VV6410_VFLIP; |
| 218 | else |
| 219 | i2c_data &= ~VV6410_VFLIP; |
| 220 | |
| 221 | PDEBUG(D_V4L2, "Set vertical flip to %d", val); |
| 222 | err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data); |
| 223 | |
| 224 | return (err < 0) ? err : 0; |
| 225 | } |
| 226 | |
| 227 | static int vv6410_get_analog_gain(struct gspca_dev *gspca_dev, __s32 *val) |
| 228 | { |
| 229 | int err; |
| 230 | u16 i2c_data; |
| 231 | struct sd *sd = (struct sd *) gspca_dev; |
| 232 | |
| 233 | err = stv06xx_read_sensor(sd, VV6410_ANALOGGAIN, &i2c_data); |
| 234 | |
| 235 | *val = i2c_data & 0xf; |
| 236 | |
| 237 | PDEBUG(D_V4L2, "Read analog gain %d", *val); |
| 238 | |
| 239 | return (err < 0) ? err : 0; |
| 240 | } |
| 241 | |
| 242 | static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val) |
| 243 | { |
| 244 | int err; |
| 245 | struct sd *sd = (struct sd *) gspca_dev; |
| 246 | |
| 247 | PDEBUG(D_V4L2, "Set analog gain to %d", val); |
| 248 | err = stv06xx_write_sensor(sd, VV6410_ANALOGGAIN, 0xf0 | (val & 0xf)); |
| 249 | |
| 250 | return (err < 0) ? err : 0; |
| 251 | } |