1 /* 2 * Driver for the Auvitek USB bridge 3 * 4 * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * 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., 675 Mass Ave, Cambridge, MA 02139, USA. 20 */ 21 22 #include "au0828.h" 23 #include "au0828-cards.h" 24 #include "au8522.h" 25 #include "media/tuner.h" 26 #include "media/v4l2-common.h" 27 28 static void hvr950q_cs5340_audio(void *priv, int enable) 29 { 30 /* Because the HVR-950q shares an i2s bus between the cs5340 and the 31 au8522, we need to hold cs5340 in reset when using the au8522 */ 32 struct au0828_dev *dev = priv; 33 if (enable == 1) 34 au0828_set(dev, REG_000, 0x10); 35 else 36 au0828_clear(dev, REG_000, 0x10); 37 } 38 39 struct au0828_board au0828_boards[] = { 40 [AU0828_BOARD_UNKNOWN] = { 41 .name = "Unknown board", 42 .tuner_type = UNSET, 43 .tuner_addr = ADDR_UNSET, 44 }, 45 [AU0828_BOARD_HAUPPAUGE_HVR850] = { 46 .name = "Hauppauge HVR850", 47 .tuner_type = TUNER_XC5000, 48 .tuner_addr = 0x61, 49 .i2c_clk_divider = AU0828_I2C_CLK_20KHZ, 50 .input = { 51 { 52 .type = AU0828_VMUX_TELEVISION, 53 .vmux = AU8522_COMPOSITE_CH4_SIF, 54 .amux = AU8522_AUDIO_SIF, 55 }, 56 { 57 .type = AU0828_VMUX_COMPOSITE, 58 .vmux = AU8522_COMPOSITE_CH1, 59 .amux = AU8522_AUDIO_NONE, 60 .audio_setup = hvr950q_cs5340_audio, 61 }, 62 { 63 .type = AU0828_VMUX_SVIDEO, 64 .vmux = AU8522_SVIDEO_CH13, 65 .amux = AU8522_AUDIO_NONE, 66 .audio_setup = hvr950q_cs5340_audio, 67 }, 68 }, 69 }, 70 [AU0828_BOARD_HAUPPAUGE_HVR950Q] = { 71 .name = "Hauppauge HVR950Q", 72 .tuner_type = TUNER_XC5000, 73 .tuner_addr = 0x61, 74 /* The au0828 hardware i2c implementation does not properly 75 support the xc5000's i2c clock stretching. So we need to 76 lower the clock frequency enough where the 15us clock 77 stretch fits inside of a normal clock cycle, or else the 78 au0828 fails to set the STOP bit. A 30 KHz clock puts the 79 clock pulse width at 18us */ 80 .i2c_clk_divider = AU0828_I2C_CLK_20KHZ, 81 .input = { 82 { 83 .type = AU0828_VMUX_TELEVISION, 84 .vmux = AU8522_COMPOSITE_CH4_SIF, 85 .amux = AU8522_AUDIO_SIF, 86 }, 87 { 88 .type = AU0828_VMUX_COMPOSITE, 89 .vmux = AU8522_COMPOSITE_CH1, 90 .amux = AU8522_AUDIO_NONE, 91 .audio_setup = hvr950q_cs5340_audio, 92 }, 93 { 94 .type = AU0828_VMUX_SVIDEO, 95 .vmux = AU8522_SVIDEO_CH13, 96 .amux = AU8522_AUDIO_NONE, 97 .audio_setup = hvr950q_cs5340_audio, 98 }, 99 }, 100 }, 101 [AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL] = { 102 .name = "Hauppauge HVR950Q rev xxF8", 103 .tuner_type = UNSET, 104 .tuner_addr = ADDR_UNSET, 105 .i2c_clk_divider = AU0828_I2C_CLK_250KHZ, 106 }, 107 [AU0828_BOARD_DVICO_FUSIONHDTV7] = { 108 .name = "DViCO FusionHDTV USB", 109 .tuner_type = UNSET, 110 .tuner_addr = ADDR_UNSET, 111 .i2c_clk_divider = AU0828_I2C_CLK_20KHZ, 112 }, 113 [AU0828_BOARD_HAUPPAUGE_WOODBURY] = { 114 .name = "Hauppauge Woodbury", 115 .tuner_type = UNSET, 116 .tuner_addr = ADDR_UNSET, 117 .i2c_clk_divider = AU0828_I2C_CLK_250KHZ, 118 }, 119 }; 120 121 /* Tuner callback function for au0828 boards. Currently only needed 122 * for HVR1500Q, which has an xc5000 tuner. 123 */ 124 int au0828_tuner_callback(void *priv, int component, int command, int arg) 125 { 126 struct au0828_dev *dev = priv; 127 128 dprintk(1, "%s()\n", __func__); 129 130 switch (dev->boardnr) { 131 case AU0828_BOARD_HAUPPAUGE_HVR850: 132 case AU0828_BOARD_HAUPPAUGE_HVR950Q: 133 case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL: 134 case AU0828_BOARD_DVICO_FUSIONHDTV7: 135 if (command == 0) { 136 /* Tuner Reset Command from xc5000 */ 137 /* Drive the tuner into reset and out */ 138 au0828_clear(dev, REG_001, 2); 139 mdelay(10); 140 au0828_set(dev, REG_001, 2); 141 mdelay(10); 142 return 0; 143 } else { 144 printk(KERN_ERR 145 "%s(): Unknown command.\n", __func__); 146 return -EINVAL; 147 } 148 break; 149 } 150 151 return 0; /* Should never be here */ 152 } 153 154 static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data) 155 { 156 struct tveeprom tv; 157 158 tveeprom_hauppauge_analog(&dev->i2c_client, &tv, eeprom_data); 159 dev->board.tuner_type = tv.tuner_type; 160 161 /* Make sure we support the board model */ 162 switch (tv.model) { 163 case 72000: /* WinTV-HVR950q (Retail, IR, ATSC/QAM */ 164 case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */ 165 case 72101: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */ 166 case 72201: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */ 167 case 72211: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */ 168 case 72221: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */ 169 case 72231: /* WinTV-HVR950q (OEM, IR, ATSC/QAM and analog video */ 170 case 72241: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */ 171 case 72251: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and analog video */ 172 case 72261: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */ 173 case 72271: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */ 174 case 72281: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM and analog video */ 175 case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and analog video */ 176 case 72500: /* WinTV-HVR950q (OEM, No IR, ATSC/QAM */ 177 break; 178 default: 179 printk(KERN_WARNING "%s: warning: " 180 "unknown hauppauge model #%d\n", __func__, tv.model); 181 break; 182 } 183 184 printk(KERN_INFO "%s: hauppauge eeprom: model=%d\n", 185 __func__, tv.model); 186 } 187 188 void au0828_card_analog_fe_setup(struct au0828_dev *dev); 189 190 void au0828_card_setup(struct au0828_dev *dev) 191 { 192 static u8 eeprom[256]; 193 194 dprintk(1, "%s()\n", __func__); 195 196 dev->board = au0828_boards[dev->boardnr]; 197 198 if (dev->i2c_rc == 0) { 199 dev->i2c_client.addr = 0xa0 >> 1; 200 tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom)); 201 } 202 203 switch (dev->boardnr) { 204 case AU0828_BOARD_HAUPPAUGE_HVR850: 205 case AU0828_BOARD_HAUPPAUGE_HVR950Q: 206 case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL: 207 case AU0828_BOARD_HAUPPAUGE_WOODBURY: 208 if (dev->i2c_rc == 0) 209 hauppauge_eeprom(dev, eeprom+0xa0); 210 break; 211 } 212 213 au0828_card_analog_fe_setup(dev); 214 } 215 216 void au0828_card_analog_fe_setup(struct au0828_dev *dev) 217 { 218 #ifdef CONFIG_VIDEO_AU0828_V4L2 219 struct tuner_setup tun_setup; 220 struct v4l2_subdev *sd; 221 unsigned int mode_mask = T_ANALOG_TV; 222 223 if (AUVI_INPUT(0).type != AU0828_VMUX_UNDEFINED) { 224 /* Load the analog demodulator driver (note this would need to 225 be abstracted out if we ever need to support a different 226 demod) */ 227 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 228 "au8522", 0x8e >> 1, NULL); 229 if (sd == NULL) 230 printk(KERN_ERR "analog subdev registration failed\n"); 231 } 232 233 /* Setup tuners */ 234 if (dev->board.tuner_type != TUNER_ABSENT) { 235 /* Load the tuner module, which does the attach */ 236 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap, 237 "tuner", dev->board.tuner_addr, NULL); 238 if (sd == NULL) 239 printk(KERN_ERR "tuner subdev registration fail\n"); 240 241 tun_setup.mode_mask = mode_mask; 242 tun_setup.type = dev->board.tuner_type; 243 tun_setup.addr = dev->board.tuner_addr; 244 tun_setup.tuner_callback = au0828_tuner_callback; 245 v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_type_addr, 246 &tun_setup); 247 } 248 #endif 249 } 250 251 /* 252 * The bridge has between 8 and 12 gpios. 253 * Regs 1 and 0 deal with output enables. 254 * Regs 3 and 2 deal with direction. 255 */ 256 void au0828_gpio_setup(struct au0828_dev *dev) 257 { 258 dprintk(1, "%s()\n", __func__); 259 260 switch (dev->boardnr) { 261 case AU0828_BOARD_HAUPPAUGE_HVR850: 262 case AU0828_BOARD_HAUPPAUGE_HVR950Q: 263 case AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL: 264 case AU0828_BOARD_HAUPPAUGE_WOODBURY: 265 /* GPIO's 266 * 4 - CS5340 267 * 5 - AU8522 Demodulator 268 * 6 - eeprom W/P 269 * 7 - power supply 270 * 9 - XC5000 Tuner 271 */ 272 273 /* Set relevant GPIOs as outputs (leave the EEPROM W/P 274 as an input since we will never touch it and it has 275 a pullup) */ 276 au0828_write(dev, REG_003, 0x02); 277 au0828_write(dev, REG_002, 0x80 | 0x20 | 0x10); 278 279 /* Into reset */ 280 au0828_write(dev, REG_001, 0x0); 281 au0828_write(dev, REG_000, 0x0); 282 msleep(50); 283 284 /* Bring power supply out of reset */ 285 au0828_write(dev, REG_000, 0x80); 286 msleep(50); 287 288 /* Bring xc5000 and au8522 out of reset (leave the 289 cs5340 in reset until needed) */ 290 au0828_write(dev, REG_001, 0x02); /* xc5000 */ 291 au0828_write(dev, REG_000, 0x80 | 0x20); /* PS + au8522 */ 292 293 msleep(250); 294 break; 295 case AU0828_BOARD_DVICO_FUSIONHDTV7: 296 /* GPIO's 297 * 6 - ? 298 * 8 - AU8522 Demodulator 299 * 9 - XC5000 Tuner 300 */ 301 302 /* Into reset */ 303 au0828_write(dev, REG_003, 0x02); 304 au0828_write(dev, REG_002, 0xa0); 305 au0828_write(dev, REG_001, 0x0); 306 au0828_write(dev, REG_000, 0x0); 307 msleep(100); 308 309 /* Out of reset */ 310 au0828_write(dev, REG_003, 0x02); 311 au0828_write(dev, REG_002, 0xa0); 312 au0828_write(dev, REG_001, 0x02); 313 au0828_write(dev, REG_000, 0xa0); 314 msleep(250); 315 break; 316 } 317 } 318 319 /* table of devices that work with this driver */ 320 struct usb_device_id au0828_usb_id_table[] = { 321 { USB_DEVICE(0x2040, 0x7200), 322 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 323 { USB_DEVICE(0x2040, 0x7240), 324 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 }, 325 { USB_DEVICE(0x0fe9, 0xd620), 326 .driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 }, 327 { USB_DEVICE(0x2040, 0x7210), 328 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 329 { USB_DEVICE(0x2040, 0x7217), 330 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 331 { USB_DEVICE(0x2040, 0x721b), 332 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 333 { USB_DEVICE(0x2040, 0x721e), 334 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 335 { USB_DEVICE(0x2040, 0x721f), 336 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 337 { USB_DEVICE(0x2040, 0x7280), 338 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 339 { USB_DEVICE(0x0fd9, 0x0008), 340 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 341 { USB_DEVICE(0x2040, 0x7201), 342 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL }, 343 { USB_DEVICE(0x2040, 0x7211), 344 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL }, 345 { USB_DEVICE(0x2040, 0x7281), 346 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q_MXL }, 347 { USB_DEVICE(0x05e1, 0x0480), 348 .driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY }, 349 { USB_DEVICE(0x2040, 0x8200), 350 .driver_info = AU0828_BOARD_HAUPPAUGE_WOODBURY }, 351 { USB_DEVICE(0x2040, 0x7260), 352 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 353 { USB_DEVICE(0x2040, 0x7213), 354 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 355 { USB_DEVICE(0x2040, 0x7270), 356 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q }, 357 { }, 358 }; 359 360 MODULE_DEVICE_TABLE(usb, au0828_usb_id_table); 361