1 /* 2 * Driver for Digigram pcxhr compatible soundcards 3 * 4 * main file with alsa callbacks 5 * 6 * Copyright (c) 2004 by Digigram <alsa@digigram.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 23 24 #include <linux/init.h> 25 #include <linux/interrupt.h> 26 #include <linux/slab.h> 27 #include <linux/pci.h> 28 #include <linux/dma-mapping.h> 29 #include <linux/delay.h> 30 #include <linux/module.h> 31 #include <linux/mutex.h> 32 33 #include <sound/core.h> 34 #include <sound/initval.h> 35 #include <sound/info.h> 36 #include <sound/control.h> 37 #include <sound/pcm.h> 38 #include <sound/pcm_params.h> 39 #include "pcxhr.h" 40 #include "pcxhr_mixer.h" 41 #include "pcxhr_hwdep.h" 42 #include "pcxhr_core.h" 43 #include "pcxhr_mix22.h" 44 45 #define DRIVER_NAME "pcxhr" 46 47 MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>, " 48 "Marc Titinger <titinger@digigram.com>"); 49 MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING); 50 MODULE_LICENSE("GPL"); 51 MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}"); 52 53 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 54 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 55 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */ 56 static bool mono[SNDRV_CARDS]; /* capture mono only */ 57 58 module_param_array(index, int, NULL, 0444); 59 MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard"); 60 module_param_array(id, charp, NULL, 0444); 61 MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard"); 62 module_param_array(enable, bool, NULL, 0444); 63 MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard"); 64 module_param_array(mono, bool, NULL, 0444); 65 MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)"); 66 67 enum { 68 PCI_ID_VX882HR, 69 PCI_ID_PCX882HR, 70 PCI_ID_VX881HR, 71 PCI_ID_PCX881HR, 72 PCI_ID_VX882E, 73 PCI_ID_PCX882E, 74 PCI_ID_VX881E, 75 PCI_ID_PCX881E, 76 PCI_ID_VX1222HR, 77 PCI_ID_PCX1222HR, 78 PCI_ID_VX1221HR, 79 PCI_ID_PCX1221HR, 80 PCI_ID_VX1222E, 81 PCI_ID_PCX1222E, 82 PCI_ID_VX1221E, 83 PCI_ID_PCX1221E, 84 PCI_ID_VX222HR, 85 PCI_ID_VX222E, 86 PCI_ID_PCX22HR, 87 PCI_ID_PCX22E, 88 PCI_ID_VX222HRMIC, 89 PCI_ID_VX222E_MIC, 90 PCI_ID_PCX924HR, 91 PCI_ID_PCX924E, 92 PCI_ID_PCX924HRMIC, 93 PCI_ID_PCX924E_MIC, 94 PCI_ID_VX442HR, 95 PCI_ID_PCX442HR, 96 PCI_ID_VX442E, 97 PCI_ID_PCX442E, 98 PCI_ID_VX822HR, 99 PCI_ID_PCX822HR, 100 PCI_ID_VX822E, 101 PCI_ID_PCX822E, 102 PCI_ID_LAST 103 }; 104 105 static const struct pci_device_id pcxhr_ids[] = { 106 { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, }, 107 { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, }, 108 { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, }, 109 { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, }, 110 { 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, }, 111 { 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, }, 112 { 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, }, 113 { 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, }, 114 { 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, }, 115 { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, }, 116 { 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, }, 117 { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, }, 118 { 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, }, 119 { 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, }, 120 { 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, }, 121 { 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, }, 122 { 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, }, 123 { 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, }, 124 { 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, }, 125 { 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, }, 126 { 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, }, 127 { 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, }, 128 { 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, }, 129 { 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, }, 130 { 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, }, 131 { 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, }, 132 { 0x10b5, 0x9656, 0x1369, 0xd001, 0, 0, PCI_ID_VX442HR, }, 133 { 0x10b5, 0x9656, 0x1369, 0xd101, 0, 0, PCI_ID_PCX442HR, }, 134 { 0x10b5, 0x9056, 0x1369, 0xd021, 0, 0, PCI_ID_VX442E, }, 135 { 0x10b5, 0x9056, 0x1369, 0xd121, 0, 0, PCI_ID_PCX442E, }, 136 { 0x10b5, 0x9656, 0x1369, 0xd201, 0, 0, PCI_ID_VX822HR, }, 137 { 0x10b5, 0x9656, 0x1369, 0xd301, 0, 0, PCI_ID_PCX822HR, }, 138 { 0x10b5, 0x9056, 0x1369, 0xd221, 0, 0, PCI_ID_VX822E, }, 139 { 0x10b5, 0x9056, 0x1369, 0xd321, 0, 0, PCI_ID_PCX822E, }, 140 { 0, } 141 }; 142 143 MODULE_DEVICE_TABLE(pci, pcxhr_ids); 144 145 struct board_parameters { 146 char* board_name; 147 short playback_chips; 148 short capture_chips; 149 short fw_file_set; 150 short firmware_num; 151 }; 152 static struct board_parameters pcxhr_board_params[] = { 153 [PCI_ID_VX882HR] = { "VX882HR", 4, 4, 0, 41 }, 154 [PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 0, 41 }, 155 [PCI_ID_VX881HR] = { "VX881HR", 4, 4, 0, 41 }, 156 [PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 0, 41 }, 157 [PCI_ID_VX882E] = { "VX882e", 4, 4, 1, 41 }, 158 [PCI_ID_PCX882E] = { "PCX882e", 4, 4, 1, 41 }, 159 [PCI_ID_VX881E] = { "VX881e", 4, 4, 1, 41 }, 160 [PCI_ID_PCX881E] = { "PCX881e", 4, 4, 1, 41 }, 161 [PCI_ID_VX1222HR] = { "VX1222HR", 6, 1, 2, 42 }, 162 [PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 2, 42 }, 163 [PCI_ID_VX1221HR] = { "VX1221HR", 6, 1, 2, 42 }, 164 [PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 2, 42 }, 165 [PCI_ID_VX1222E] = { "VX1222e", 6, 1, 3, 42 }, 166 [PCI_ID_PCX1222E] = { "PCX1222e", 6, 1, 3, 42 }, 167 [PCI_ID_VX1221E] = { "VX1221e", 6, 1, 3, 42 }, 168 [PCI_ID_PCX1221E] = { "PCX1221e", 6, 1, 3, 42 }, 169 [PCI_ID_VX222HR] = { "VX222HR", 1, 1, 4, 44 }, 170 [PCI_ID_VX222E] = { "VX222e", 1, 1, 4, 44 }, 171 [PCI_ID_PCX22HR] = { "PCX22HR", 1, 0, 4, 44 }, 172 [PCI_ID_PCX22E] = { "PCX22e", 1, 0, 4, 44 }, 173 [PCI_ID_VX222HRMIC] = { "VX222HR-Mic", 1, 1, 5, 44 }, 174 [PCI_ID_VX222E_MIC] = { "VX222e-Mic", 1, 1, 5, 44 }, 175 [PCI_ID_PCX924HR] = { "PCX924HR", 1, 1, 5, 44 }, 176 [PCI_ID_PCX924E] = { "PCX924e", 1, 1, 5, 44 }, 177 [PCI_ID_PCX924HRMIC] = { "PCX924HR-Mic", 1, 1, 5, 44 }, 178 [PCI_ID_PCX924E_MIC] = { "PCX924e-Mic", 1, 1, 5, 44 }, 179 [PCI_ID_VX442HR] = { "VX442HR", 2, 2, 0, 41 }, 180 [PCI_ID_PCX442HR] = { "PCX442HR", 2, 2, 0, 41 }, 181 [PCI_ID_VX442E] = { "VX442e", 2, 2, 1, 41 }, 182 [PCI_ID_PCX442E] = { "PCX442e", 2, 2, 1, 41 }, 183 [PCI_ID_VX822HR] = { "VX822HR", 4, 1, 2, 42 }, 184 [PCI_ID_PCX822HR] = { "PCX822HR", 4, 1, 2, 42 }, 185 [PCI_ID_VX822E] = { "VX822e", 4, 1, 3, 42 }, 186 [PCI_ID_PCX822E] = { "PCX822e", 4, 1, 3, 42 }, 187 }; 188 189 /* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */ 190 /* VX222HR, VX222e, PCX22HR and PCX22e */ 191 #define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4) 192 /* some boards do not support 192kHz on digital AES input plugs */ 193 #define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \ 194 (x->fw_file_set == 0) || \ 195 (x->fw_file_set == 2)) 196 197 static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg, 198 unsigned int* realfreq) 199 { 200 unsigned int reg; 201 202 if (freq < 6900 || freq > 110000) 203 return -EINVAL; 204 reg = (28224000 * 2) / freq; 205 reg = (reg - 1) / 2; 206 if (reg < 0x200) 207 *pllreg = reg + 0x800; 208 else if (reg < 0x400) 209 *pllreg = reg & 0x1ff; 210 else if (reg < 0x800) { 211 *pllreg = ((reg >> 1) & 0x1ff) + 0x200; 212 reg &= ~1; 213 } else { 214 *pllreg = ((reg >> 2) & 0x1ff) + 0x400; 215 reg &= ~3; 216 } 217 if (realfreq) 218 *realfreq = (28224000 / (reg + 1)); 219 return 0; 220 } 221 222 223 #define PCXHR_FREQ_REG_MASK 0x1f 224 #define PCXHR_FREQ_QUARTZ_48000 0x00 225 #define PCXHR_FREQ_QUARTZ_24000 0x01 226 #define PCXHR_FREQ_QUARTZ_12000 0x09 227 #define PCXHR_FREQ_QUARTZ_32000 0x08 228 #define PCXHR_FREQ_QUARTZ_16000 0x04 229 #define PCXHR_FREQ_QUARTZ_8000 0x0c 230 #define PCXHR_FREQ_QUARTZ_44100 0x02 231 #define PCXHR_FREQ_QUARTZ_22050 0x0a 232 #define PCXHR_FREQ_QUARTZ_11025 0x06 233 #define PCXHR_FREQ_PLL 0x05 234 #define PCXHR_FREQ_QUARTZ_192000 0x10 235 #define PCXHR_FREQ_QUARTZ_96000 0x18 236 #define PCXHR_FREQ_QUARTZ_176400 0x14 237 #define PCXHR_FREQ_QUARTZ_88200 0x1c 238 #define PCXHR_FREQ_QUARTZ_128000 0x12 239 #define PCXHR_FREQ_QUARTZ_64000 0x1a 240 241 #define PCXHR_FREQ_WORD_CLOCK 0x0f 242 #define PCXHR_FREQ_SYNC_AES 0x0e 243 #define PCXHR_FREQ_AES_1 0x07 244 #define PCXHR_FREQ_AES_2 0x0b 245 #define PCXHR_FREQ_AES_3 0x03 246 #define PCXHR_FREQ_AES_4 0x0d 247 248 static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate, 249 unsigned int *reg, unsigned int *freq) 250 { 251 unsigned int val, realfreq, pllreg; 252 struct pcxhr_rmh rmh; 253 int err; 254 255 realfreq = rate; 256 switch (mgr->use_clock_type) { 257 case PCXHR_CLOCK_TYPE_INTERNAL : /* clock by quartz or pll */ 258 switch (rate) { 259 case 48000 : val = PCXHR_FREQ_QUARTZ_48000; break; 260 case 24000 : val = PCXHR_FREQ_QUARTZ_24000; break; 261 case 12000 : val = PCXHR_FREQ_QUARTZ_12000; break; 262 case 32000 : val = PCXHR_FREQ_QUARTZ_32000; break; 263 case 16000 : val = PCXHR_FREQ_QUARTZ_16000; break; 264 case 8000 : val = PCXHR_FREQ_QUARTZ_8000; break; 265 case 44100 : val = PCXHR_FREQ_QUARTZ_44100; break; 266 case 22050 : val = PCXHR_FREQ_QUARTZ_22050; break; 267 case 11025 : val = PCXHR_FREQ_QUARTZ_11025; break; 268 case 192000 : val = PCXHR_FREQ_QUARTZ_192000; break; 269 case 96000 : val = PCXHR_FREQ_QUARTZ_96000; break; 270 case 176400 : val = PCXHR_FREQ_QUARTZ_176400; break; 271 case 88200 : val = PCXHR_FREQ_QUARTZ_88200; break; 272 case 128000 : val = PCXHR_FREQ_QUARTZ_128000; break; 273 case 64000 : val = PCXHR_FREQ_QUARTZ_64000; break; 274 default : 275 val = PCXHR_FREQ_PLL; 276 /* get the value for the pll register */ 277 err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq); 278 if (err) 279 return err; 280 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); 281 rmh.cmd[0] |= IO_NUM_REG_GENCLK; 282 rmh.cmd[1] = pllreg & MASK_DSP_WORD; 283 rmh.cmd[2] = pllreg >> 24; 284 rmh.cmd_len = 3; 285 err = pcxhr_send_msg(mgr, &rmh); 286 if (err < 0) { 287 dev_err(&mgr->pci->dev, 288 "error CMD_ACCESS_IO_WRITE " 289 "for PLL register : %x!\n", err); 290 return err; 291 } 292 } 293 break; 294 case PCXHR_CLOCK_TYPE_WORD_CLOCK: 295 val = PCXHR_FREQ_WORD_CLOCK; 296 break; 297 case PCXHR_CLOCK_TYPE_AES_SYNC: 298 val = PCXHR_FREQ_SYNC_AES; 299 break; 300 case PCXHR_CLOCK_TYPE_AES_1: 301 val = PCXHR_FREQ_AES_1; 302 break; 303 case PCXHR_CLOCK_TYPE_AES_2: 304 val = PCXHR_FREQ_AES_2; 305 break; 306 case PCXHR_CLOCK_TYPE_AES_3: 307 val = PCXHR_FREQ_AES_3; 308 break; 309 case PCXHR_CLOCK_TYPE_AES_4: 310 val = PCXHR_FREQ_AES_4; 311 break; 312 default: 313 return -EINVAL; 314 } 315 *reg = val; 316 *freq = realfreq; 317 return 0; 318 } 319 320 321 static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr, 322 unsigned int rate, 323 int *changed) 324 { 325 unsigned int val, realfreq, speed; 326 struct pcxhr_rmh rmh; 327 int err; 328 329 err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq); 330 if (err) 331 return err; 332 333 /* codec speed modes */ 334 if (rate < 55000) 335 speed = 0; /* single speed */ 336 else if (rate < 100000) 337 speed = 1; /* dual speed */ 338 else 339 speed = 2; /* quad speed */ 340 if (mgr->codec_speed != speed) { 341 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */ 342 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; 343 if (DSP_EXT_CMD_SET(mgr)) { 344 rmh.cmd[1] = 1; 345 rmh.cmd_len = 2; 346 } 347 err = pcxhr_send_msg(mgr, &rmh); 348 if (err) 349 return err; 350 351 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */ 352 rmh.cmd[0] |= IO_NUM_SPEED_RATIO; 353 rmh.cmd[1] = speed; 354 rmh.cmd_len = 2; 355 err = pcxhr_send_msg(mgr, &rmh); 356 if (err) 357 return err; 358 } 359 /* set the new frequency */ 360 dev_dbg(&mgr->pci->dev, "clock register : set %x\n", val); 361 err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK, 362 val, changed); 363 if (err) 364 return err; 365 366 mgr->sample_rate_real = realfreq; 367 mgr->cur_clock_type = mgr->use_clock_type; 368 369 /* unmute after codec speed modes */ 370 if (mgr->codec_speed != speed) { 371 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */ 372 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; 373 if (DSP_EXT_CMD_SET(mgr)) { 374 rmh.cmd[1] = 1; 375 rmh.cmd_len = 2; 376 } 377 err = pcxhr_send_msg(mgr, &rmh); 378 if (err) 379 return err; 380 mgr->codec_speed = speed; /* save new codec speed */ 381 } 382 383 dev_dbg(&mgr->pci->dev, "pcxhr_sub_set_clock to %dHz (realfreq=%d)\n", 384 rate, realfreq); 385 return 0; 386 } 387 388 #define PCXHR_MODIFY_CLOCK_S_BIT 0x04 389 390 #define PCXHR_IRQ_TIMER_FREQ 92000 391 #define PCXHR_IRQ_TIMER_PERIOD 48 392 393 int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate) 394 { 395 struct pcxhr_rmh rmh; 396 int err, changed; 397 398 if (rate == 0) 399 return 0; /* nothing to do */ 400 401 if (mgr->is_hr_stereo) 402 err = hr222_sub_set_clock(mgr, rate, &changed); 403 else 404 err = pcxhr_sub_set_clock(mgr, rate, &changed); 405 406 if (err) 407 return err; 408 409 if (changed) { 410 pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK); 411 rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos */ 412 if (rate < PCXHR_IRQ_TIMER_FREQ) 413 rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD; 414 else 415 rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2; 416 rmh.cmd[2] = rate; 417 rmh.cmd_len = 3; 418 err = pcxhr_send_msg(mgr, &rmh); 419 if (err) 420 return err; 421 } 422 return 0; 423 } 424 425 426 static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr, 427 enum pcxhr_clock_type clock_type, 428 int *sample_rate) 429 { 430 struct pcxhr_rmh rmh; 431 unsigned char reg; 432 int err, rate; 433 434 switch (clock_type) { 435 case PCXHR_CLOCK_TYPE_WORD_CLOCK: 436 reg = REG_STATUS_WORD_CLOCK; 437 break; 438 case PCXHR_CLOCK_TYPE_AES_SYNC: 439 reg = REG_STATUS_AES_SYNC; 440 break; 441 case PCXHR_CLOCK_TYPE_AES_1: 442 reg = REG_STATUS_AES_1; 443 break; 444 case PCXHR_CLOCK_TYPE_AES_2: 445 reg = REG_STATUS_AES_2; 446 break; 447 case PCXHR_CLOCK_TYPE_AES_3: 448 reg = REG_STATUS_AES_3; 449 break; 450 case PCXHR_CLOCK_TYPE_AES_4: 451 reg = REG_STATUS_AES_4; 452 break; 453 default: 454 return -EINVAL; 455 } 456 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); 457 rmh.cmd_len = 2; 458 rmh.cmd[0] |= IO_NUM_REG_STATUS; 459 if (mgr->last_reg_stat != reg) { 460 rmh.cmd[1] = reg; 461 err = pcxhr_send_msg(mgr, &rmh); 462 if (err) 463 return err; 464 udelay(100); /* wait minimum 2 sample_frames at 32kHz ! */ 465 mgr->last_reg_stat = reg; 466 } 467 rmh.cmd[1] = REG_STATUS_CURRENT; 468 err = pcxhr_send_msg(mgr, &rmh); 469 if (err) 470 return err; 471 switch (rmh.stat[1] & 0x0f) { 472 case REG_STATUS_SYNC_32000 : rate = 32000; break; 473 case REG_STATUS_SYNC_44100 : rate = 44100; break; 474 case REG_STATUS_SYNC_48000 : rate = 48000; break; 475 case REG_STATUS_SYNC_64000 : rate = 64000; break; 476 case REG_STATUS_SYNC_88200 : rate = 88200; break; 477 case REG_STATUS_SYNC_96000 : rate = 96000; break; 478 case REG_STATUS_SYNC_128000 : rate = 128000; break; 479 case REG_STATUS_SYNC_176400 : rate = 176400; break; 480 case REG_STATUS_SYNC_192000 : rate = 192000; break; 481 default: rate = 0; 482 } 483 dev_dbg(&mgr->pci->dev, "External clock is at %d Hz\n", rate); 484 *sample_rate = rate; 485 return 0; 486 } 487 488 489 int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, 490 enum pcxhr_clock_type clock_type, 491 int *sample_rate) 492 { 493 if (mgr->is_hr_stereo) 494 return hr222_get_external_clock(mgr, clock_type, 495 sample_rate); 496 else 497 return pcxhr_sub_get_external_clock(mgr, clock_type, 498 sample_rate); 499 } 500 501 /* 502 * start or stop playback/capture substream 503 */ 504 static int pcxhr_set_stream_state(struct snd_pcxhr *chip, 505 struct pcxhr_stream *stream) 506 { 507 int err; 508 struct pcxhr_rmh rmh; 509 int stream_mask, start; 510 511 if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) 512 start = 1; 513 else { 514 if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) { 515 dev_err(chip->card->dev, 516 "pcxhr_set_stream_state CANNOT be stopped\n"); 517 return -EINVAL; 518 } 519 start = 0; 520 } 521 if (!stream->substream) 522 return -EINVAL; 523 524 stream->timer_abs_periods = 0; 525 stream->timer_period_frag = 0; /* reset theoretical stream pos */ 526 stream->timer_buf_periods = 0; 527 stream->timer_is_synced = 0; 528 529 stream_mask = 530 stream->pipe->is_capture ? 1 : 1<<stream->substream->number; 531 532 pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM); 533 pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 534 stream->pipe->first_audio, 0, stream_mask); 535 536 chip = snd_pcm_substream_chip(stream->substream); 537 538 err = pcxhr_send_msg(chip->mgr, &rmh); 539 if (err) 540 dev_err(chip->card->dev, 541 "ERROR pcxhr_set_stream_state err=%x;\n", err); 542 stream->status = 543 start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED; 544 return err; 545 } 546 547 #define HEADER_FMT_BASE_LIN 0xfed00000 548 #define HEADER_FMT_BASE_FLOAT 0xfad00000 549 #define HEADER_FMT_INTEL 0x00008000 550 #define HEADER_FMT_24BITS 0x00004000 551 #define HEADER_FMT_16BITS 0x00002000 552 #define HEADER_FMT_UPTO11 0x00000200 553 #define HEADER_FMT_UPTO32 0x00000100 554 #define HEADER_FMT_MONO 0x00000080 555 556 static int pcxhr_set_format(struct pcxhr_stream *stream) 557 { 558 int err, is_capture, sample_rate, stream_num; 559 struct snd_pcxhr *chip; 560 struct pcxhr_rmh rmh; 561 unsigned int header; 562 563 chip = snd_pcm_substream_chip(stream->substream); 564 switch (stream->format) { 565 case SNDRV_PCM_FORMAT_U8: 566 header = HEADER_FMT_BASE_LIN; 567 break; 568 case SNDRV_PCM_FORMAT_S16_LE: 569 header = HEADER_FMT_BASE_LIN | 570 HEADER_FMT_16BITS | HEADER_FMT_INTEL; 571 break; 572 case SNDRV_PCM_FORMAT_S16_BE: 573 header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS; 574 break; 575 case SNDRV_PCM_FORMAT_S24_3LE: 576 header = HEADER_FMT_BASE_LIN | 577 HEADER_FMT_24BITS | HEADER_FMT_INTEL; 578 break; 579 case SNDRV_PCM_FORMAT_S24_3BE: 580 header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS; 581 break; 582 case SNDRV_PCM_FORMAT_FLOAT_LE: 583 header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL; 584 break; 585 default: 586 dev_err(chip->card->dev, 587 "error pcxhr_set_format() : unknown format\n"); 588 return -EINVAL; 589 } 590 591 sample_rate = chip->mgr->sample_rate; 592 if (sample_rate <= 32000 && sample_rate !=0) { 593 if (sample_rate <= 11025) 594 header |= HEADER_FMT_UPTO11; 595 else 596 header |= HEADER_FMT_UPTO32; 597 } 598 if (stream->channels == 1) 599 header |= HEADER_FMT_MONO; 600 601 is_capture = stream->pipe->is_capture; 602 stream_num = is_capture ? 0 : stream->substream->number; 603 604 pcxhr_init_rmh(&rmh, is_capture ? 605 CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT); 606 pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, 607 stream_num, 0); 608 if (is_capture) { 609 /* bug with old dsp versions: */ 610 /* bit 12 also sets the format of the playback stream */ 611 if (DSP_EXT_CMD_SET(chip->mgr)) 612 rmh.cmd[0] |= 1<<10; 613 else 614 rmh.cmd[0] |= 1<<12; 615 } 616 rmh.cmd[1] = 0; 617 rmh.cmd_len = 2; 618 if (DSP_EXT_CMD_SET(chip->mgr)) { 619 /* add channels and set bit 19 if channels>2 */ 620 rmh.cmd[1] = stream->channels; 621 if (!is_capture) { 622 /* playback : add channel mask to command */ 623 rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03; 624 rmh.cmd_len = 3; 625 } 626 } 627 rmh.cmd[rmh.cmd_len++] = header >> 8; 628 rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16; 629 err = pcxhr_send_msg(chip->mgr, &rmh); 630 if (err) 631 dev_err(chip->card->dev, 632 "ERROR pcxhr_set_format err=%x;\n", err); 633 return err; 634 } 635 636 static int pcxhr_update_r_buffer(struct pcxhr_stream *stream) 637 { 638 int err, is_capture, stream_num; 639 struct pcxhr_rmh rmh; 640 struct snd_pcm_substream *subs = stream->substream; 641 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 642 643 is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE); 644 stream_num = is_capture ? 0 : subs->number; 645 646 dev_dbg(chip->card->dev, 647 "pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n", 648 is_capture ? 'c' : 'p', 649 chip->chip_idx, (void *)(long)subs->runtime->dma_addr, 650 subs->runtime->dma_bytes, subs->number); 651 652 pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS); 653 pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, 654 stream_num, 0); 655 656 /* max buffer size is 2 MByte */ 657 snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000); 658 /* size in bits */ 659 rmh.cmd[1] = subs->runtime->dma_bytes * 8; 660 /* most significant byte */ 661 rmh.cmd[2] = subs->runtime->dma_addr >> 24; 662 /* this is a circular buffer */ 663 rmh.cmd[2] |= 1<<19; 664 /* least 3 significant bytes */ 665 rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD; 666 rmh.cmd_len = 4; 667 err = pcxhr_send_msg(chip->mgr, &rmh); 668 if (err) 669 dev_err(chip->card->dev, 670 "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err); 671 return err; 672 } 673 674 675 #if 0 676 static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream, 677 snd_pcm_uframes_t *sample_count) 678 { 679 struct pcxhr_rmh rmh; 680 int err; 681 pcxhr_t *chip = snd_pcm_substream_chip(stream->substream); 682 pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT); 683 pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0, 684 1<<stream->pipe->first_audio); 685 err = pcxhr_send_msg(chip->mgr, &rmh); 686 if (err == 0) { 687 *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24; 688 *sample_count += (snd_pcm_uframes_t)rmh.stat[1]; 689 } 690 dev_dbg(chip->card->dev, "PIPE_SAMPLE_COUNT = %lx\n", *sample_count); 691 return err; 692 } 693 #endif 694 695 static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream, 696 struct pcxhr_pipe **pipe) 697 { 698 if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) { 699 *pipe = stream->pipe; 700 return 1; 701 } 702 return 0; 703 } 704 705 static void pcxhr_start_linked_stream(struct pcxhr_mgr *mgr) 706 { 707 int i, j, err; 708 struct pcxhr_pipe *pipe; 709 struct snd_pcxhr *chip; 710 int capture_mask = 0; 711 int playback_mask = 0; 712 713 #ifdef CONFIG_SND_DEBUG_VERBOSE 714 ktime_t start_time, stop_time, diff_time; 715 716 start_time = ktime_get(); 717 #endif 718 mutex_lock(&mgr->setup_mutex); 719 720 /* check the pipes concerned and build pipe_array */ 721 for (i = 0; i < mgr->num_cards; i++) { 722 chip = mgr->chip[i]; 723 for (j = 0; j < chip->nb_streams_capt; j++) { 724 if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe)) 725 capture_mask |= (1 << pipe->first_audio); 726 } 727 for (j = 0; j < chip->nb_streams_play; j++) { 728 if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) { 729 playback_mask |= (1 << pipe->first_audio); 730 break; /* add only once, as all playback 731 * streams of one chip use the same pipe 732 */ 733 } 734 } 735 } 736 if (capture_mask == 0 && playback_mask == 0) { 737 mutex_unlock(&mgr->setup_mutex); 738 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : no pipes\n"); 739 return; 740 } 741 742 dev_dbg(&mgr->pci->dev, "pcxhr_start_linked_stream : " 743 "playback_mask=%x capture_mask=%x\n", 744 playback_mask, capture_mask); 745 746 /* synchronous stop of all the pipes concerned */ 747 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0); 748 if (err) { 749 mutex_unlock(&mgr->setup_mutex); 750 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : " 751 "error stop pipes (P%x C%x)\n", 752 playback_mask, capture_mask); 753 return; 754 } 755 756 /* the dsp lost format and buffer info with the stop pipe */ 757 for (i = 0; i < mgr->num_cards; i++) { 758 struct pcxhr_stream *stream; 759 chip = mgr->chip[i]; 760 for (j = 0; j < chip->nb_streams_capt; j++) { 761 stream = &chip->capture_stream[j]; 762 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) { 763 err = pcxhr_set_format(stream); 764 err = pcxhr_update_r_buffer(stream); 765 } 766 } 767 for (j = 0; j < chip->nb_streams_play; j++) { 768 stream = &chip->playback_stream[j]; 769 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) { 770 err = pcxhr_set_format(stream); 771 err = pcxhr_update_r_buffer(stream); 772 } 773 } 774 } 775 /* start all the streams */ 776 for (i = 0; i < mgr->num_cards; i++) { 777 struct pcxhr_stream *stream; 778 chip = mgr->chip[i]; 779 for (j = 0; j < chip->nb_streams_capt; j++) { 780 stream = &chip->capture_stream[j]; 781 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) 782 err = pcxhr_set_stream_state(chip, stream); 783 } 784 for (j = 0; j < chip->nb_streams_play; j++) { 785 stream = &chip->playback_stream[j]; 786 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) 787 err = pcxhr_set_stream_state(chip, stream); 788 } 789 } 790 791 /* synchronous start of all the pipes concerned */ 792 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1); 793 if (err) { 794 mutex_unlock(&mgr->setup_mutex); 795 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : " 796 "error start pipes (P%x C%x)\n", 797 playback_mask, capture_mask); 798 return; 799 } 800 801 /* put the streams into the running state now 802 * (increment pointer by interrupt) 803 */ 804 mutex_lock(&mgr->lock); 805 for ( i =0; i < mgr->num_cards; i++) { 806 struct pcxhr_stream *stream; 807 chip = mgr->chip[i]; 808 for(j = 0; j < chip->nb_streams_capt; j++) { 809 stream = &chip->capture_stream[j]; 810 if(stream->status == PCXHR_STREAM_STATUS_STARTED) 811 stream->status = PCXHR_STREAM_STATUS_RUNNING; 812 } 813 for (j = 0; j < chip->nb_streams_play; j++) { 814 stream = &chip->playback_stream[j]; 815 if (stream->status == PCXHR_STREAM_STATUS_STARTED) { 816 /* playback will already have advanced ! */ 817 stream->timer_period_frag += mgr->granularity; 818 stream->status = PCXHR_STREAM_STATUS_RUNNING; 819 } 820 } 821 } 822 mutex_unlock(&mgr->lock); 823 824 mutex_unlock(&mgr->setup_mutex); 825 826 #ifdef CONFIG_SND_DEBUG_VERBOSE 827 stop_time = ktime_get(); 828 diff_time = ktime_sub(stop_time, start_time); 829 dev_dbg(&mgr->pci->dev, "***TRIGGER START*** TIME = %ld (err = %x)\n", 830 (long)(ktime_to_ns(diff_time)), err); 831 #endif 832 } 833 834 835 /* 836 * trigger callback 837 */ 838 static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd) 839 { 840 struct pcxhr_stream *stream; 841 struct snd_pcm_substream *s; 842 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 843 844 switch (cmd) { 845 case SNDRV_PCM_TRIGGER_START: 846 dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_START\n"); 847 if (snd_pcm_stream_linked(subs)) { 848 snd_pcm_group_for_each_entry(s, subs) { 849 if (snd_pcm_substream_chip(s) != chip) 850 continue; 851 stream = s->runtime->private_data; 852 stream->status = 853 PCXHR_STREAM_STATUS_SCHEDULE_RUN; 854 snd_pcm_trigger_done(s, subs); 855 } 856 pcxhr_start_linked_stream(chip->mgr); 857 } else { 858 stream = subs->runtime->private_data; 859 dev_dbg(chip->card->dev, "Only one Substream %c %d\n", 860 stream->pipe->is_capture ? 'C' : 'P', 861 stream->pipe->first_audio); 862 if (pcxhr_set_format(stream)) 863 return -EINVAL; 864 if (pcxhr_update_r_buffer(stream)) 865 return -EINVAL; 866 867 stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN; 868 if (pcxhr_set_stream_state(chip, stream)) 869 return -EINVAL; 870 stream->status = PCXHR_STREAM_STATUS_RUNNING; 871 } 872 break; 873 case SNDRV_PCM_TRIGGER_STOP: 874 dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_STOP\n"); 875 snd_pcm_group_for_each_entry(s, subs) { 876 stream = s->runtime->private_data; 877 stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP; 878 if (pcxhr_set_stream_state(chip, stream)) 879 return -EINVAL; 880 snd_pcm_trigger_done(s, subs); 881 } 882 break; 883 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 884 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 885 /* TODO */ 886 default: 887 return -EINVAL; 888 } 889 return 0; 890 } 891 892 893 static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start) 894 { 895 struct pcxhr_rmh rmh; 896 int err; 897 898 pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT); 899 if (start) { 900 /* last dsp time invalid */ 901 mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID; 902 rmh.cmd[0] |= mgr->granularity; 903 } 904 err = pcxhr_send_msg(mgr, &rmh); 905 if (err < 0) 906 dev_err(&mgr->pci->dev, "error pcxhr_hardware_timer err(%x)\n", 907 err); 908 return err; 909 } 910 911 /* 912 * prepare callback for all pcms 913 */ 914 static int pcxhr_prepare(struct snd_pcm_substream *subs) 915 { 916 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 917 struct pcxhr_mgr *mgr = chip->mgr; 918 int err = 0; 919 920 dev_dbg(chip->card->dev, 921 "pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n", 922 subs->runtime->period_size, subs->runtime->periods, 923 subs->runtime->buffer_size); 924 925 mutex_lock(&mgr->setup_mutex); 926 927 do { 928 /* only the first stream can choose the sample rate */ 929 /* set the clock only once (first stream) */ 930 if (mgr->sample_rate != subs->runtime->rate) { 931 err = pcxhr_set_clock(mgr, subs->runtime->rate); 932 if (err) 933 break; 934 if (mgr->sample_rate == 0) 935 /* start the DSP-timer */ 936 err = pcxhr_hardware_timer(mgr, 1); 937 mgr->sample_rate = subs->runtime->rate; 938 } 939 } while(0); /* do only once (so we can use break instead of goto) */ 940 941 mutex_unlock(&mgr->setup_mutex); 942 943 return err; 944 } 945 946 947 /* 948 * HW_PARAMS callback for all pcms 949 */ 950 static int pcxhr_hw_params(struct snd_pcm_substream *subs, 951 struct snd_pcm_hw_params *hw) 952 { 953 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 954 struct pcxhr_mgr *mgr = chip->mgr; 955 struct pcxhr_stream *stream = subs->runtime->private_data; 956 snd_pcm_format_t format; 957 int err; 958 int channels; 959 960 /* set up channels */ 961 channels = params_channels(hw); 962 963 /* set up format for the stream */ 964 format = params_format(hw); 965 966 mutex_lock(&mgr->setup_mutex); 967 968 stream->channels = channels; 969 stream->format = format; 970 971 /* allocate buffer */ 972 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw)); 973 974 mutex_unlock(&mgr->setup_mutex); 975 976 return err; 977 } 978 979 static int pcxhr_hw_free(struct snd_pcm_substream *subs) 980 { 981 snd_pcm_lib_free_pages(subs); 982 return 0; 983 } 984 985 986 /* 987 * CONFIGURATION SPACE for all pcms, mono pcm must update channels_max 988 */ 989 static const struct snd_pcm_hardware pcxhr_caps = 990 { 991 .info = (SNDRV_PCM_INFO_MMAP | 992 SNDRV_PCM_INFO_INTERLEAVED | 993 SNDRV_PCM_INFO_MMAP_VALID | 994 SNDRV_PCM_INFO_SYNC_START), 995 .formats = (SNDRV_PCM_FMTBIT_U8 | 996 SNDRV_PCM_FMTBIT_S16_LE | 997 SNDRV_PCM_FMTBIT_S16_BE | 998 SNDRV_PCM_FMTBIT_S24_3LE | 999 SNDRV_PCM_FMTBIT_S24_3BE | 1000 SNDRV_PCM_FMTBIT_FLOAT_LE), 1001 .rates = (SNDRV_PCM_RATE_CONTINUOUS | 1002 SNDRV_PCM_RATE_8000_192000), 1003 .rate_min = 8000, 1004 .rate_max = 192000, 1005 .channels_min = 1, 1006 .channels_max = 2, 1007 .buffer_bytes_max = (32*1024), 1008 /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */ 1009 .period_bytes_min = (2*PCXHR_GRANULARITY), 1010 .period_bytes_max = (16*1024), 1011 .periods_min = 2, 1012 .periods_max = (32*1024/PCXHR_GRANULARITY), 1013 }; 1014 1015 1016 static int pcxhr_open(struct snd_pcm_substream *subs) 1017 { 1018 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 1019 struct pcxhr_mgr *mgr = chip->mgr; 1020 struct snd_pcm_runtime *runtime = subs->runtime; 1021 struct pcxhr_stream *stream; 1022 int err; 1023 1024 mutex_lock(&mgr->setup_mutex); 1025 1026 /* copy the struct snd_pcm_hardware struct */ 1027 runtime->hw = pcxhr_caps; 1028 1029 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) { 1030 dev_dbg(chip->card->dev, "pcxhr_open playback chip%d subs%d\n", 1031 chip->chip_idx, subs->number); 1032 stream = &chip->playback_stream[subs->number]; 1033 } else { 1034 dev_dbg(chip->card->dev, "pcxhr_open capture chip%d subs%d\n", 1035 chip->chip_idx, subs->number); 1036 if (mgr->mono_capture) 1037 runtime->hw.channels_max = 1; 1038 else 1039 runtime->hw.channels_min = 2; 1040 stream = &chip->capture_stream[subs->number]; 1041 } 1042 if (stream->status != PCXHR_STREAM_STATUS_FREE){ 1043 /* streams in use */ 1044 dev_err(chip->card->dev, "pcxhr_open chip%d subs%d in use\n", 1045 chip->chip_idx, subs->number); 1046 mutex_unlock(&mgr->setup_mutex); 1047 return -EBUSY; 1048 } 1049 1050 /* float format support is in some cases buggy on stereo cards */ 1051 if (mgr->is_hr_stereo) 1052 runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE; 1053 1054 /* buffer-size should better be multiple of period-size */ 1055 err = snd_pcm_hw_constraint_integer(runtime, 1056 SNDRV_PCM_HW_PARAM_PERIODS); 1057 if (err < 0) { 1058 mutex_unlock(&mgr->setup_mutex); 1059 return err; 1060 } 1061 1062 /* if a sample rate is already used or fixed by external clock, 1063 * the stream cannot change 1064 */ 1065 if (mgr->sample_rate) 1066 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; 1067 else { 1068 if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) { 1069 int external_rate; 1070 if (pcxhr_get_external_clock(mgr, mgr->use_clock_type, 1071 &external_rate) || 1072 external_rate == 0) { 1073 /* cannot detect the external clock rate */ 1074 mutex_unlock(&mgr->setup_mutex); 1075 return -EBUSY; 1076 } 1077 runtime->hw.rate_min = external_rate; 1078 runtime->hw.rate_max = external_rate; 1079 } 1080 } 1081 1082 stream->status = PCXHR_STREAM_STATUS_OPEN; 1083 stream->substream = subs; 1084 stream->channels = 0; /* not configured yet */ 1085 1086 runtime->private_data = stream; 1087 1088 /* better get a divisor of granularity values (96 or 192) */ 1089 snd_pcm_hw_constraint_step(runtime, 0, 1090 SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32); 1091 snd_pcm_hw_constraint_step(runtime, 0, 1092 SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32); 1093 snd_pcm_set_sync(subs); 1094 1095 mgr->ref_count_rate++; 1096 1097 mutex_unlock(&mgr->setup_mutex); 1098 return 0; 1099 } 1100 1101 1102 static int pcxhr_close(struct snd_pcm_substream *subs) 1103 { 1104 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 1105 struct pcxhr_mgr *mgr = chip->mgr; 1106 struct pcxhr_stream *stream = subs->runtime->private_data; 1107 1108 mutex_lock(&mgr->setup_mutex); 1109 1110 dev_dbg(chip->card->dev, "pcxhr_close chip%d subs%d\n", 1111 chip->chip_idx, subs->number); 1112 1113 /* sample rate released */ 1114 if (--mgr->ref_count_rate == 0) { 1115 mgr->sample_rate = 0; /* the sample rate is no more locked */ 1116 pcxhr_hardware_timer(mgr, 0); /* stop the DSP-timer */ 1117 } 1118 1119 stream->status = PCXHR_STREAM_STATUS_FREE; 1120 stream->substream = NULL; 1121 1122 mutex_unlock(&mgr->setup_mutex); 1123 1124 return 0; 1125 } 1126 1127 1128 static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs) 1129 { 1130 u_int32_t timer_period_frag; 1131 int timer_buf_periods; 1132 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 1133 struct snd_pcm_runtime *runtime = subs->runtime; 1134 struct pcxhr_stream *stream = runtime->private_data; 1135 1136 mutex_lock(&chip->mgr->lock); 1137 1138 /* get the period fragment and the nb of periods in the buffer */ 1139 timer_period_frag = stream->timer_period_frag; 1140 timer_buf_periods = stream->timer_buf_periods; 1141 1142 mutex_unlock(&chip->mgr->lock); 1143 1144 return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) + 1145 timer_period_frag); 1146 } 1147 1148 1149 static const struct snd_pcm_ops pcxhr_ops = { 1150 .open = pcxhr_open, 1151 .close = pcxhr_close, 1152 .ioctl = snd_pcm_lib_ioctl, 1153 .prepare = pcxhr_prepare, 1154 .hw_params = pcxhr_hw_params, 1155 .hw_free = pcxhr_hw_free, 1156 .trigger = pcxhr_trigger, 1157 .pointer = pcxhr_stream_pointer, 1158 }; 1159 1160 /* 1161 */ 1162 int pcxhr_create_pcm(struct snd_pcxhr *chip) 1163 { 1164 int err; 1165 struct snd_pcm *pcm; 1166 char name[32]; 1167 1168 snprintf(name, sizeof(name), "pcxhr %d", chip->chip_idx); 1169 if ((err = snd_pcm_new(chip->card, name, 0, 1170 chip->nb_streams_play, 1171 chip->nb_streams_capt, &pcm)) < 0) { 1172 dev_err(chip->card->dev, "cannot create pcm %s\n", name); 1173 return err; 1174 } 1175 pcm->private_data = chip; 1176 1177 if (chip->nb_streams_play) 1178 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops); 1179 if (chip->nb_streams_capt) 1180 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops); 1181 1182 pcm->info_flags = 0; 1183 pcm->nonatomic = true; 1184 strcpy(pcm->name, name); 1185 1186 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1187 snd_dma_pci_data(chip->mgr->pci), 1188 32*1024, 32*1024); 1189 chip->pcm = pcm; 1190 return 0; 1191 } 1192 1193 static int pcxhr_chip_free(struct snd_pcxhr *chip) 1194 { 1195 kfree(chip); 1196 return 0; 1197 } 1198 1199 static int pcxhr_chip_dev_free(struct snd_device *device) 1200 { 1201 struct snd_pcxhr *chip = device->device_data; 1202 return pcxhr_chip_free(chip); 1203 } 1204 1205 1206 /* 1207 */ 1208 static int pcxhr_create(struct pcxhr_mgr *mgr, 1209 struct snd_card *card, int idx) 1210 { 1211 int err; 1212 struct snd_pcxhr *chip; 1213 static struct snd_device_ops ops = { 1214 .dev_free = pcxhr_chip_dev_free, 1215 }; 1216 1217 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1218 if (!chip) 1219 return -ENOMEM; 1220 1221 chip->card = card; 1222 chip->chip_idx = idx; 1223 chip->mgr = mgr; 1224 1225 if (idx < mgr->playback_chips) 1226 /* stereo or mono streams */ 1227 chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS; 1228 1229 if (idx < mgr->capture_chips) { 1230 if (mgr->mono_capture) 1231 chip->nb_streams_capt = 2; /* 2 mono streams */ 1232 else 1233 chip->nb_streams_capt = 1; /* or 1 stereo stream */ 1234 } 1235 1236 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1237 pcxhr_chip_free(chip); 1238 return err; 1239 } 1240 1241 mgr->chip[idx] = chip; 1242 1243 return 0; 1244 } 1245 1246 /* proc interface */ 1247 static void pcxhr_proc_info(struct snd_info_entry *entry, 1248 struct snd_info_buffer *buffer) 1249 { 1250 struct snd_pcxhr *chip = entry->private_data; 1251 struct pcxhr_mgr *mgr = chip->mgr; 1252 1253 snd_iprintf(buffer, "\n%s\n", mgr->name); 1254 1255 /* stats available when embedded DSP is running */ 1256 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { 1257 struct pcxhr_rmh rmh; 1258 short ver_maj = (mgr->dsp_version >> 16) & 0xff; 1259 short ver_min = (mgr->dsp_version >> 8) & 0xff; 1260 short ver_build = mgr->dsp_version & 0xff; 1261 snd_iprintf(buffer, "module version %s\n", 1262 PCXHR_DRIVER_VERSION_STRING); 1263 snd_iprintf(buffer, "dsp version %d.%d.%d\n", 1264 ver_maj, ver_min, ver_build); 1265 if (mgr->board_has_analog) 1266 snd_iprintf(buffer, "analog io available\n"); 1267 else 1268 snd_iprintf(buffer, "digital only board\n"); 1269 1270 /* calc cpu load of the dsp */ 1271 pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES); 1272 if( ! pcxhr_send_msg(mgr, &rmh) ) { 1273 int cur = rmh.stat[0]; 1274 int ref = rmh.stat[1]; 1275 if (ref > 0) { 1276 if (mgr->sample_rate_real != 0 && 1277 mgr->sample_rate_real != 48000) { 1278 ref = (ref * 48000) / 1279 mgr->sample_rate_real; 1280 if (mgr->sample_rate_real >= 1281 PCXHR_IRQ_TIMER_FREQ) 1282 ref *= 2; 1283 } 1284 cur = 100 - (100 * cur) / ref; 1285 snd_iprintf(buffer, "cpu load %d%%\n", cur); 1286 snd_iprintf(buffer, "buffer pool %d/%d\n", 1287 rmh.stat[2], rmh.stat[3]); 1288 } 1289 } 1290 snd_iprintf(buffer, "dma granularity : %d\n", 1291 mgr->granularity); 1292 snd_iprintf(buffer, "dsp time errors : %d\n", 1293 mgr->dsp_time_err); 1294 snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n", 1295 mgr->async_err_pipe_xrun); 1296 snd_iprintf(buffer, "dsp async stream xrun errors : %d\n", 1297 mgr->async_err_stream_xrun); 1298 snd_iprintf(buffer, "dsp async last other error : %x\n", 1299 mgr->async_err_other_last); 1300 /* debug zone dsp */ 1301 rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS; 1302 rmh.cmd_len = 1; 1303 rmh.stat_len = PCXHR_SIZE_MAX_STATUS; 1304 rmh.dsp_stat = 0; 1305 rmh.cmd_idx = CMD_LAST_INDEX; 1306 if( ! pcxhr_send_msg(mgr, &rmh) ) { 1307 int i; 1308 if (rmh.stat_len > 8) 1309 rmh.stat_len = 8; 1310 for (i = 0; i < rmh.stat_len; i++) 1311 snd_iprintf(buffer, "debug[%02d] = %06x\n", 1312 i, rmh.stat[i]); 1313 } 1314 } else 1315 snd_iprintf(buffer, "no firmware loaded\n"); 1316 snd_iprintf(buffer, "\n"); 1317 } 1318 static void pcxhr_proc_sync(struct snd_info_entry *entry, 1319 struct snd_info_buffer *buffer) 1320 { 1321 struct snd_pcxhr *chip = entry->private_data; 1322 struct pcxhr_mgr *mgr = chip->mgr; 1323 static const char *textsHR22[3] = { 1324 "Internal", "AES Sync", "AES 1" 1325 }; 1326 static const char *textsPCXHR[7] = { 1327 "Internal", "Word", "AES Sync", 1328 "AES 1", "AES 2", "AES 3", "AES 4" 1329 }; 1330 const char **texts; 1331 int max_clock; 1332 if (mgr->is_hr_stereo) { 1333 texts = textsHR22; 1334 max_clock = HR22_CLOCK_TYPE_MAX; 1335 } else { 1336 texts = textsPCXHR; 1337 max_clock = PCXHR_CLOCK_TYPE_MAX; 1338 } 1339 1340 snd_iprintf(buffer, "\n%s\n", mgr->name); 1341 snd_iprintf(buffer, "Current Sample Clock\t: %s\n", 1342 texts[mgr->cur_clock_type]); 1343 snd_iprintf(buffer, "Current Sample Rate\t= %d\n", 1344 mgr->sample_rate_real); 1345 /* commands available when embedded DSP is running */ 1346 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { 1347 int i, err, sample_rate; 1348 for (i = 1; i <= max_clock; i++) { 1349 err = pcxhr_get_external_clock(mgr, i, &sample_rate); 1350 if (err) 1351 break; 1352 snd_iprintf(buffer, "%s Clock\t\t= %d\n", 1353 texts[i], sample_rate); 1354 } 1355 } else 1356 snd_iprintf(buffer, "no firmware loaded\n"); 1357 snd_iprintf(buffer, "\n"); 1358 } 1359 1360 static void pcxhr_proc_gpio_read(struct snd_info_entry *entry, 1361 struct snd_info_buffer *buffer) 1362 { 1363 struct snd_pcxhr *chip = entry->private_data; 1364 struct pcxhr_mgr *mgr = chip->mgr; 1365 /* commands available when embedded DSP is running */ 1366 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { 1367 /* gpio ports on stereo boards only available */ 1368 int value = 0; 1369 hr222_read_gpio(mgr, 1, &value); /* GPI */ 1370 snd_iprintf(buffer, "GPI: 0x%x\n", value); 1371 hr222_read_gpio(mgr, 0, &value); /* GP0 */ 1372 snd_iprintf(buffer, "GPO: 0x%x\n", value); 1373 } else 1374 snd_iprintf(buffer, "no firmware loaded\n"); 1375 snd_iprintf(buffer, "\n"); 1376 } 1377 static void pcxhr_proc_gpo_write(struct snd_info_entry *entry, 1378 struct snd_info_buffer *buffer) 1379 { 1380 struct snd_pcxhr *chip = entry->private_data; 1381 struct pcxhr_mgr *mgr = chip->mgr; 1382 char line[64]; 1383 int value; 1384 /* commands available when embedded DSP is running */ 1385 if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) 1386 return; 1387 while (!snd_info_get_line(buffer, line, sizeof(line))) { 1388 if (sscanf(line, "GPO: 0x%x", &value) != 1) 1389 continue; 1390 hr222_write_gpo(mgr, value); /* GP0 */ 1391 } 1392 } 1393 1394 /* Access to the results of the CMD_GET_TIME_CODE RMH */ 1395 #define TIME_CODE_VALID_MASK 0x00800000 1396 #define TIME_CODE_NEW_MASK 0x00400000 1397 #define TIME_CODE_BACK_MASK 0x00200000 1398 #define TIME_CODE_WAIT_MASK 0x00100000 1399 1400 /* Values for the CMD_MANAGE_SIGNAL RMH */ 1401 #define MANAGE_SIGNAL_TIME_CODE 0x01 1402 #define MANAGE_SIGNAL_MIDI 0x02 1403 1404 /* linear time code read proc*/ 1405 static void pcxhr_proc_ltc(struct snd_info_entry *entry, 1406 struct snd_info_buffer *buffer) 1407 { 1408 struct snd_pcxhr *chip = entry->private_data; 1409 struct pcxhr_mgr *mgr = chip->mgr; 1410 struct pcxhr_rmh rmh; 1411 unsigned int ltcHrs, ltcMin, ltcSec, ltcFrm; 1412 int err; 1413 /* commands available when embedded DSP is running */ 1414 if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) { 1415 snd_iprintf(buffer, "no firmware loaded\n"); 1416 return; 1417 } 1418 if (!mgr->capture_ltc) { 1419 pcxhr_init_rmh(&rmh, CMD_MANAGE_SIGNAL); 1420 rmh.cmd[0] |= MANAGE_SIGNAL_TIME_CODE; 1421 err = pcxhr_send_msg(mgr, &rmh); 1422 if (err) { 1423 snd_iprintf(buffer, "ltc not activated (%d)\n", err); 1424 return; 1425 } 1426 if (mgr->is_hr_stereo) 1427 hr222_manage_timecode(mgr, 1); 1428 else 1429 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_VALSMPTE, 1430 REG_CONT_VALSMPTE, NULL); 1431 mgr->capture_ltc = 1; 1432 } 1433 pcxhr_init_rmh(&rmh, CMD_GET_TIME_CODE); 1434 err = pcxhr_send_msg(mgr, &rmh); 1435 if (err) { 1436 snd_iprintf(buffer, "ltc read error (err=%d)\n", err); 1437 return ; 1438 } 1439 ltcHrs = 10*((rmh.stat[0] >> 8) & 0x3) + (rmh.stat[0] & 0xf); 1440 ltcMin = 10*((rmh.stat[1] >> 16) & 0x7) + ((rmh.stat[1] >> 8) & 0xf); 1441 ltcSec = 10*(rmh.stat[1] & 0x7) + ((rmh.stat[2] >> 16) & 0xf); 1442 ltcFrm = 10*((rmh.stat[2] >> 8) & 0x3) + (rmh.stat[2] & 0xf); 1443 1444 snd_iprintf(buffer, "timecode: %02u:%02u:%02u-%02u\n", 1445 ltcHrs, ltcMin, ltcSec, ltcFrm); 1446 snd_iprintf(buffer, "raw: 0x%04x%06x%06x\n", rmh.stat[0] & 0x00ffff, 1447 rmh.stat[1] & 0xffffff, rmh.stat[2] & 0xffffff); 1448 /*snd_iprintf(buffer, "dsp ref time: 0x%06x%06x\n", 1449 rmh.stat[3] & 0xffffff, rmh.stat[4] & 0xffffff);*/ 1450 if (!(rmh.stat[0] & TIME_CODE_VALID_MASK)) { 1451 snd_iprintf(buffer, "warning: linear timecode not valid\n"); 1452 } 1453 } 1454 1455 static void pcxhr_proc_init(struct snd_pcxhr *chip) 1456 { 1457 struct snd_info_entry *entry; 1458 1459 if (! snd_card_proc_new(chip->card, "info", &entry)) 1460 snd_info_set_text_ops(entry, chip, pcxhr_proc_info); 1461 if (! snd_card_proc_new(chip->card, "sync", &entry)) 1462 snd_info_set_text_ops(entry, chip, pcxhr_proc_sync); 1463 /* gpio available on stereo sound cards only */ 1464 if (chip->mgr->is_hr_stereo && 1465 !snd_card_proc_new(chip->card, "gpio", &entry)) { 1466 snd_info_set_text_ops(entry, chip, pcxhr_proc_gpio_read); 1467 entry->c.text.write = pcxhr_proc_gpo_write; 1468 entry->mode |= 0200; 1469 } 1470 if (!snd_card_proc_new(chip->card, "ltc", &entry)) 1471 snd_info_set_text_ops(entry, chip, pcxhr_proc_ltc); 1472 } 1473 /* end of proc interface */ 1474 1475 /* 1476 * release all the cards assigned to a manager instance 1477 */ 1478 static int pcxhr_free(struct pcxhr_mgr *mgr) 1479 { 1480 unsigned int i; 1481 1482 for (i = 0; i < mgr->num_cards; i++) { 1483 if (mgr->chip[i]) 1484 snd_card_free(mgr->chip[i]->card); 1485 } 1486 1487 /* reset board if some firmware was loaded */ 1488 if(mgr->dsp_loaded) { 1489 pcxhr_reset_board(mgr); 1490 dev_dbg(&mgr->pci->dev, "reset pcxhr !\n"); 1491 } 1492 1493 /* release irq */ 1494 if (mgr->irq >= 0) 1495 free_irq(mgr->irq, mgr); 1496 1497 pci_release_regions(mgr->pci); 1498 1499 /* free hostport purgebuffer */ 1500 if (mgr->hostport.area) { 1501 snd_dma_free_pages(&mgr->hostport); 1502 mgr->hostport.area = NULL; 1503 } 1504 1505 kfree(mgr->prmh); 1506 1507 pci_disable_device(mgr->pci); 1508 kfree(mgr); 1509 return 0; 1510 } 1511 1512 /* 1513 * probe function - creates the card manager 1514 */ 1515 static int pcxhr_probe(struct pci_dev *pci, 1516 const struct pci_device_id *pci_id) 1517 { 1518 static int dev; 1519 struct pcxhr_mgr *mgr; 1520 unsigned int i; 1521 int err; 1522 size_t size; 1523 char *card_name; 1524 1525 if (dev >= SNDRV_CARDS) 1526 return -ENODEV; 1527 if (! enable[dev]) { 1528 dev++; 1529 return -ENOENT; 1530 } 1531 1532 /* enable PCI device */ 1533 if ((err = pci_enable_device(pci)) < 0) 1534 return err; 1535 pci_set_master(pci); 1536 1537 /* check if we can restrict PCI DMA transfers to 32 bits */ 1538 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) { 1539 dev_err(&pci->dev, 1540 "architecture does not support 32bit PCI busmaster DMA\n"); 1541 pci_disable_device(pci); 1542 return -ENXIO; 1543 } 1544 1545 /* alloc card manager */ 1546 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL); 1547 if (! mgr) { 1548 pci_disable_device(pci); 1549 return -ENOMEM; 1550 } 1551 1552 if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) { 1553 kfree(mgr); 1554 pci_disable_device(pci); 1555 return -ENODEV; 1556 } 1557 card_name = 1558 pcxhr_board_params[pci_id->driver_data].board_name; 1559 mgr->playback_chips = 1560 pcxhr_board_params[pci_id->driver_data].playback_chips; 1561 mgr->capture_chips = 1562 pcxhr_board_params[pci_id->driver_data].capture_chips; 1563 mgr->fw_file_set = 1564 pcxhr_board_params[pci_id->driver_data].fw_file_set; 1565 mgr->firmware_num = 1566 pcxhr_board_params[pci_id->driver_data].firmware_num; 1567 mgr->mono_capture = mono[dev]; 1568 mgr->is_hr_stereo = (mgr->playback_chips == 1); 1569 mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr); 1570 mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr); 1571 1572 if (mgr->is_hr_stereo) 1573 mgr->granularity = PCXHR_GRANULARITY_HR22; 1574 else 1575 mgr->granularity = PCXHR_GRANULARITY; 1576 1577 /* resource assignment */ 1578 if ((err = pci_request_regions(pci, card_name)) < 0) { 1579 kfree(mgr); 1580 pci_disable_device(pci); 1581 return err; 1582 } 1583 for (i = 0; i < 3; i++) 1584 mgr->port[i] = pci_resource_start(pci, i); 1585 1586 mgr->pci = pci; 1587 mgr->irq = -1; 1588 1589 if (request_threaded_irq(pci->irq, pcxhr_interrupt, 1590 pcxhr_threaded_irq, IRQF_SHARED, 1591 KBUILD_MODNAME, mgr)) { 1592 dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq); 1593 pcxhr_free(mgr); 1594 return -EBUSY; 1595 } 1596 mgr->irq = pci->irq; 1597 1598 snprintf(mgr->name, sizeof(mgr->name), 1599 "Digigram at 0x%lx & 0x%lx, 0x%lx irq %i", 1600 mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq); 1601 1602 /* ISR lock */ 1603 mutex_init(&mgr->lock); 1604 mutex_init(&mgr->msg_lock); 1605 1606 /* init setup mutex*/ 1607 mutex_init(&mgr->setup_mutex); 1608 1609 mgr->prmh = kmalloc(sizeof(*mgr->prmh) + 1610 sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS - 1611 PCXHR_SIZE_MAX_STATUS), 1612 GFP_KERNEL); 1613 if (! mgr->prmh) { 1614 pcxhr_free(mgr); 1615 return -ENOMEM; 1616 } 1617 1618 for (i=0; i < PCXHR_MAX_CARDS; i++) { 1619 struct snd_card *card; 1620 char tmpid[16]; 1621 int idx; 1622 1623 if (i >= max(mgr->playback_chips, mgr->capture_chips)) 1624 break; 1625 mgr->num_cards++; 1626 1627 if (index[dev] < 0) 1628 idx = index[dev]; 1629 else 1630 idx = index[dev] + i; 1631 1632 snprintf(tmpid, sizeof(tmpid), "%s-%d", 1633 id[dev] ? id[dev] : card_name, i); 1634 err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE, 1635 0, &card); 1636 1637 if (err < 0) { 1638 dev_err(&pci->dev, "cannot allocate the card %d\n", i); 1639 pcxhr_free(mgr); 1640 return err; 1641 } 1642 1643 strcpy(card->driver, DRIVER_NAME); 1644 snprintf(card->shortname, sizeof(card->shortname), 1645 "Digigram [PCM #%d]", i); 1646 snprintf(card->longname, sizeof(card->longname), 1647 "%s [PCM #%d]", mgr->name, i); 1648 1649 if ((err = pcxhr_create(mgr, card, i)) < 0) { 1650 snd_card_free(card); 1651 pcxhr_free(mgr); 1652 return err; 1653 } 1654 1655 if (i == 0) 1656 /* init proc interface only for chip0 */ 1657 pcxhr_proc_init(mgr->chip[i]); 1658 1659 if ((err = snd_card_register(card)) < 0) { 1660 pcxhr_free(mgr); 1661 return err; 1662 } 1663 } 1664 1665 /* create hostport purgebuffer */ 1666 size = PAGE_ALIGN(sizeof(struct pcxhr_hostport)); 1667 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1668 size, &mgr->hostport) < 0) { 1669 pcxhr_free(mgr); 1670 return -ENOMEM; 1671 } 1672 /* init purgebuffer */ 1673 memset(mgr->hostport.area, 0, size); 1674 1675 /* create a DSP loader */ 1676 err = pcxhr_setup_firmware(mgr); 1677 if (err < 0) { 1678 pcxhr_free(mgr); 1679 return err; 1680 } 1681 1682 pci_set_drvdata(pci, mgr); 1683 dev++; 1684 return 0; 1685 } 1686 1687 static void pcxhr_remove(struct pci_dev *pci) 1688 { 1689 pcxhr_free(pci_get_drvdata(pci)); 1690 } 1691 1692 static struct pci_driver pcxhr_driver = { 1693 .name = KBUILD_MODNAME, 1694 .id_table = pcxhr_ids, 1695 .probe = pcxhr_probe, 1696 .remove = pcxhr_remove, 1697 }; 1698 1699 module_pci_driver(pcxhr_driver); 1700