1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Driver for Digigram pcxhr compatible soundcards 4 * 5 * main file with alsa callbacks 6 * 7 * Copyright (c) 2004 by Digigram <alsa@digigram.com> 8 */ 9 10 11 #include <linux/init.h> 12 #include <linux/interrupt.h> 13 #include <linux/slab.h> 14 #include <linux/pci.h> 15 #include <linux/dma-mapping.h> 16 #include <linux/delay.h> 17 #include <linux/module.h> 18 #include <linux/mutex.h> 19 20 #include <sound/core.h> 21 #include <sound/initval.h> 22 #include <sound/info.h> 23 #include <sound/control.h> 24 #include <sound/pcm.h> 25 #include <sound/pcm_params.h> 26 #include "pcxhr.h" 27 #include "pcxhr_mixer.h" 28 #include "pcxhr_hwdep.h" 29 #include "pcxhr_core.h" 30 #include "pcxhr_mix22.h" 31 32 #define DRIVER_NAME "pcxhr" 33 34 MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>, " 35 "Marc Titinger <titinger@digigram.com>"); 36 MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING); 37 MODULE_LICENSE("GPL"); 38 39 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 40 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 41 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */ 42 static bool mono[SNDRV_CARDS]; /* capture mono only */ 43 44 module_param_array(index, int, NULL, 0444); 45 MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard"); 46 module_param_array(id, charp, NULL, 0444); 47 MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard"); 48 module_param_array(enable, bool, NULL, 0444); 49 MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard"); 50 module_param_array(mono, bool, NULL, 0444); 51 MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)"); 52 53 enum { 54 PCI_ID_VX882HR, 55 PCI_ID_PCX882HR, 56 PCI_ID_VX881HR, 57 PCI_ID_PCX881HR, 58 PCI_ID_VX882E, 59 PCI_ID_PCX882E, 60 PCI_ID_VX881E, 61 PCI_ID_PCX881E, 62 PCI_ID_VX1222HR, 63 PCI_ID_PCX1222HR, 64 PCI_ID_VX1221HR, 65 PCI_ID_PCX1221HR, 66 PCI_ID_VX1222E, 67 PCI_ID_PCX1222E, 68 PCI_ID_VX1221E, 69 PCI_ID_PCX1221E, 70 PCI_ID_VX222HR, 71 PCI_ID_VX222E, 72 PCI_ID_PCX22HR, 73 PCI_ID_PCX22E, 74 PCI_ID_VX222HRMIC, 75 PCI_ID_VX222E_MIC, 76 PCI_ID_PCX924HR, 77 PCI_ID_PCX924E, 78 PCI_ID_PCX924HRMIC, 79 PCI_ID_PCX924E_MIC, 80 PCI_ID_VX442HR, 81 PCI_ID_PCX442HR, 82 PCI_ID_VX442E, 83 PCI_ID_PCX442E, 84 PCI_ID_VX822HR, 85 PCI_ID_PCX822HR, 86 PCI_ID_VX822E, 87 PCI_ID_PCX822E, 88 PCI_ID_LAST 89 }; 90 91 static const struct pci_device_id pcxhr_ids[] = { 92 { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, }, 93 { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, }, 94 { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, }, 95 { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, }, 96 { 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, }, 97 { 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, }, 98 { 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, }, 99 { 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, }, 100 { 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, }, 101 { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, }, 102 { 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, }, 103 { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, }, 104 { 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, }, 105 { 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, }, 106 { 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, }, 107 { 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, }, 108 { 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, }, 109 { 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, }, 110 { 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, }, 111 { 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, }, 112 { 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, }, 113 { 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, }, 114 { 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, }, 115 { 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, }, 116 { 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, }, 117 { 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, }, 118 { 0x10b5, 0x9656, 0x1369, 0xd001, 0, 0, PCI_ID_VX442HR, }, 119 { 0x10b5, 0x9656, 0x1369, 0xd101, 0, 0, PCI_ID_PCX442HR, }, 120 { 0x10b5, 0x9056, 0x1369, 0xd021, 0, 0, PCI_ID_VX442E, }, 121 { 0x10b5, 0x9056, 0x1369, 0xd121, 0, 0, PCI_ID_PCX442E, }, 122 { 0x10b5, 0x9656, 0x1369, 0xd201, 0, 0, PCI_ID_VX822HR, }, 123 { 0x10b5, 0x9656, 0x1369, 0xd301, 0, 0, PCI_ID_PCX822HR, }, 124 { 0x10b5, 0x9056, 0x1369, 0xd221, 0, 0, PCI_ID_VX822E, }, 125 { 0x10b5, 0x9056, 0x1369, 0xd321, 0, 0, PCI_ID_PCX822E, }, 126 { 0, } 127 }; 128 129 MODULE_DEVICE_TABLE(pci, pcxhr_ids); 130 131 struct board_parameters { 132 char* board_name; 133 short playback_chips; 134 short capture_chips; 135 short fw_file_set; 136 short firmware_num; 137 }; 138 static const struct board_parameters pcxhr_board_params[] = { 139 [PCI_ID_VX882HR] = { "VX882HR", 4, 4, 0, 41 }, 140 [PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 0, 41 }, 141 [PCI_ID_VX881HR] = { "VX881HR", 4, 4, 0, 41 }, 142 [PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 0, 41 }, 143 [PCI_ID_VX882E] = { "VX882e", 4, 4, 1, 41 }, 144 [PCI_ID_PCX882E] = { "PCX882e", 4, 4, 1, 41 }, 145 [PCI_ID_VX881E] = { "VX881e", 4, 4, 1, 41 }, 146 [PCI_ID_PCX881E] = { "PCX881e", 4, 4, 1, 41 }, 147 [PCI_ID_VX1222HR] = { "VX1222HR", 6, 1, 2, 42 }, 148 [PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 2, 42 }, 149 [PCI_ID_VX1221HR] = { "VX1221HR", 6, 1, 2, 42 }, 150 [PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 2, 42 }, 151 [PCI_ID_VX1222E] = { "VX1222e", 6, 1, 3, 42 }, 152 [PCI_ID_PCX1222E] = { "PCX1222e", 6, 1, 3, 42 }, 153 [PCI_ID_VX1221E] = { "VX1221e", 6, 1, 3, 42 }, 154 [PCI_ID_PCX1221E] = { "PCX1221e", 6, 1, 3, 42 }, 155 [PCI_ID_VX222HR] = { "VX222HR", 1, 1, 4, 44 }, 156 [PCI_ID_VX222E] = { "VX222e", 1, 1, 4, 44 }, 157 [PCI_ID_PCX22HR] = { "PCX22HR", 1, 0, 4, 44 }, 158 [PCI_ID_PCX22E] = { "PCX22e", 1, 0, 4, 44 }, 159 [PCI_ID_VX222HRMIC] = { "VX222HR-Mic", 1, 1, 5, 44 }, 160 [PCI_ID_VX222E_MIC] = { "VX222e-Mic", 1, 1, 5, 44 }, 161 [PCI_ID_PCX924HR] = { "PCX924HR", 1, 1, 5, 44 }, 162 [PCI_ID_PCX924E] = { "PCX924e", 1, 1, 5, 44 }, 163 [PCI_ID_PCX924HRMIC] = { "PCX924HR-Mic", 1, 1, 5, 44 }, 164 [PCI_ID_PCX924E_MIC] = { "PCX924e-Mic", 1, 1, 5, 44 }, 165 [PCI_ID_VX442HR] = { "VX442HR", 2, 2, 0, 41 }, 166 [PCI_ID_PCX442HR] = { "PCX442HR", 2, 2, 0, 41 }, 167 [PCI_ID_VX442E] = { "VX442e", 2, 2, 1, 41 }, 168 [PCI_ID_PCX442E] = { "PCX442e", 2, 2, 1, 41 }, 169 [PCI_ID_VX822HR] = { "VX822HR", 4, 1, 2, 42 }, 170 [PCI_ID_PCX822HR] = { "PCX822HR", 4, 1, 2, 42 }, 171 [PCI_ID_VX822E] = { "VX822e", 4, 1, 3, 42 }, 172 [PCI_ID_PCX822E] = { "PCX822e", 4, 1, 3, 42 }, 173 }; 174 175 /* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */ 176 /* VX222HR, VX222e, PCX22HR and PCX22e */ 177 #define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4) 178 /* some boards do not support 192kHz on digital AES input plugs */ 179 #define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \ 180 (x->fw_file_set == 0) || \ 181 (x->fw_file_set == 2)) 182 183 static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg, 184 unsigned int* realfreq) 185 { 186 unsigned int reg; 187 188 if (freq < 6900 || freq > 110000) 189 return -EINVAL; 190 reg = (28224000 * 2) / freq; 191 reg = (reg - 1) / 2; 192 if (reg < 0x200) 193 *pllreg = reg + 0x800; 194 else if (reg < 0x400) 195 *pllreg = reg & 0x1ff; 196 else if (reg < 0x800) { 197 *pllreg = ((reg >> 1) & 0x1ff) + 0x200; 198 reg &= ~1; 199 } else { 200 *pllreg = ((reg >> 2) & 0x1ff) + 0x400; 201 reg &= ~3; 202 } 203 if (realfreq) 204 *realfreq = (28224000 / (reg + 1)); 205 return 0; 206 } 207 208 209 #define PCXHR_FREQ_REG_MASK 0x1f 210 #define PCXHR_FREQ_QUARTZ_48000 0x00 211 #define PCXHR_FREQ_QUARTZ_24000 0x01 212 #define PCXHR_FREQ_QUARTZ_12000 0x09 213 #define PCXHR_FREQ_QUARTZ_32000 0x08 214 #define PCXHR_FREQ_QUARTZ_16000 0x04 215 #define PCXHR_FREQ_QUARTZ_8000 0x0c 216 #define PCXHR_FREQ_QUARTZ_44100 0x02 217 #define PCXHR_FREQ_QUARTZ_22050 0x0a 218 #define PCXHR_FREQ_QUARTZ_11025 0x06 219 #define PCXHR_FREQ_PLL 0x05 220 #define PCXHR_FREQ_QUARTZ_192000 0x10 221 #define PCXHR_FREQ_QUARTZ_96000 0x18 222 #define PCXHR_FREQ_QUARTZ_176400 0x14 223 #define PCXHR_FREQ_QUARTZ_88200 0x1c 224 #define PCXHR_FREQ_QUARTZ_128000 0x12 225 #define PCXHR_FREQ_QUARTZ_64000 0x1a 226 227 #define PCXHR_FREQ_WORD_CLOCK 0x0f 228 #define PCXHR_FREQ_SYNC_AES 0x0e 229 #define PCXHR_FREQ_AES_1 0x07 230 #define PCXHR_FREQ_AES_2 0x0b 231 #define PCXHR_FREQ_AES_3 0x03 232 #define PCXHR_FREQ_AES_4 0x0d 233 234 static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate, 235 unsigned int *reg, unsigned int *freq) 236 { 237 unsigned int val, realfreq, pllreg; 238 struct pcxhr_rmh rmh; 239 int err; 240 241 realfreq = rate; 242 switch (mgr->use_clock_type) { 243 case PCXHR_CLOCK_TYPE_INTERNAL : /* clock by quartz or pll */ 244 switch (rate) { 245 case 48000 : val = PCXHR_FREQ_QUARTZ_48000; break; 246 case 24000 : val = PCXHR_FREQ_QUARTZ_24000; break; 247 case 12000 : val = PCXHR_FREQ_QUARTZ_12000; break; 248 case 32000 : val = PCXHR_FREQ_QUARTZ_32000; break; 249 case 16000 : val = PCXHR_FREQ_QUARTZ_16000; break; 250 case 8000 : val = PCXHR_FREQ_QUARTZ_8000; break; 251 case 44100 : val = PCXHR_FREQ_QUARTZ_44100; break; 252 case 22050 : val = PCXHR_FREQ_QUARTZ_22050; break; 253 case 11025 : val = PCXHR_FREQ_QUARTZ_11025; break; 254 case 192000 : val = PCXHR_FREQ_QUARTZ_192000; break; 255 case 96000 : val = PCXHR_FREQ_QUARTZ_96000; break; 256 case 176400 : val = PCXHR_FREQ_QUARTZ_176400; break; 257 case 88200 : val = PCXHR_FREQ_QUARTZ_88200; break; 258 case 128000 : val = PCXHR_FREQ_QUARTZ_128000; break; 259 case 64000 : val = PCXHR_FREQ_QUARTZ_64000; break; 260 default : 261 val = PCXHR_FREQ_PLL; 262 /* get the value for the pll register */ 263 err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq); 264 if (err) 265 return err; 266 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); 267 rmh.cmd[0] |= IO_NUM_REG_GENCLK; 268 rmh.cmd[1] = pllreg & MASK_DSP_WORD; 269 rmh.cmd[2] = pllreg >> 24; 270 rmh.cmd_len = 3; 271 err = pcxhr_send_msg(mgr, &rmh); 272 if (err < 0) { 273 dev_err(&mgr->pci->dev, 274 "error CMD_ACCESS_IO_WRITE " 275 "for PLL register : %x!\n", err); 276 return err; 277 } 278 } 279 break; 280 case PCXHR_CLOCK_TYPE_WORD_CLOCK: 281 val = PCXHR_FREQ_WORD_CLOCK; 282 break; 283 case PCXHR_CLOCK_TYPE_AES_SYNC: 284 val = PCXHR_FREQ_SYNC_AES; 285 break; 286 case PCXHR_CLOCK_TYPE_AES_1: 287 val = PCXHR_FREQ_AES_1; 288 break; 289 case PCXHR_CLOCK_TYPE_AES_2: 290 val = PCXHR_FREQ_AES_2; 291 break; 292 case PCXHR_CLOCK_TYPE_AES_3: 293 val = PCXHR_FREQ_AES_3; 294 break; 295 case PCXHR_CLOCK_TYPE_AES_4: 296 val = PCXHR_FREQ_AES_4; 297 break; 298 default: 299 return -EINVAL; 300 } 301 *reg = val; 302 *freq = realfreq; 303 return 0; 304 } 305 306 307 static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr, 308 unsigned int rate, 309 int *changed) 310 { 311 unsigned int val, realfreq, speed; 312 struct pcxhr_rmh rmh; 313 int err; 314 315 err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq); 316 if (err) 317 return err; 318 319 /* codec speed modes */ 320 if (rate < 55000) 321 speed = 0; /* single speed */ 322 else if (rate < 100000) 323 speed = 1; /* dual speed */ 324 else 325 speed = 2; /* quad speed */ 326 if (mgr->codec_speed != speed) { 327 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */ 328 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; 329 if (DSP_EXT_CMD_SET(mgr)) { 330 rmh.cmd[1] = 1; 331 rmh.cmd_len = 2; 332 } 333 err = pcxhr_send_msg(mgr, &rmh); 334 if (err) 335 return err; 336 337 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */ 338 rmh.cmd[0] |= IO_NUM_SPEED_RATIO; 339 rmh.cmd[1] = speed; 340 rmh.cmd_len = 2; 341 err = pcxhr_send_msg(mgr, &rmh); 342 if (err) 343 return err; 344 } 345 /* set the new frequency */ 346 dev_dbg(&mgr->pci->dev, "clock register : set %x\n", val); 347 err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK, 348 val, changed); 349 if (err) 350 return err; 351 352 mgr->sample_rate_real = realfreq; 353 mgr->cur_clock_type = mgr->use_clock_type; 354 355 /* unmute after codec speed modes */ 356 if (mgr->codec_speed != speed) { 357 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */ 358 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT; 359 if (DSP_EXT_CMD_SET(mgr)) { 360 rmh.cmd[1] = 1; 361 rmh.cmd_len = 2; 362 } 363 err = pcxhr_send_msg(mgr, &rmh); 364 if (err) 365 return err; 366 mgr->codec_speed = speed; /* save new codec speed */ 367 } 368 369 dev_dbg(&mgr->pci->dev, "pcxhr_sub_set_clock to %dHz (realfreq=%d)\n", 370 rate, realfreq); 371 return 0; 372 } 373 374 #define PCXHR_MODIFY_CLOCK_S_BIT 0x04 375 376 #define PCXHR_IRQ_TIMER_FREQ 92000 377 #define PCXHR_IRQ_TIMER_PERIOD 48 378 379 int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate) 380 { 381 struct pcxhr_rmh rmh; 382 int err, changed; 383 384 if (rate == 0) 385 return 0; /* nothing to do */ 386 387 if (mgr->is_hr_stereo) 388 err = hr222_sub_set_clock(mgr, rate, &changed); 389 else 390 err = pcxhr_sub_set_clock(mgr, rate, &changed); 391 392 if (err) 393 return err; 394 395 if (changed) { 396 pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK); 397 rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos */ 398 if (rate < PCXHR_IRQ_TIMER_FREQ) 399 rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD; 400 else 401 rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2; 402 rmh.cmd[2] = rate; 403 rmh.cmd_len = 3; 404 err = pcxhr_send_msg(mgr, &rmh); 405 if (err) 406 return err; 407 } 408 return 0; 409 } 410 411 412 static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr, 413 enum pcxhr_clock_type clock_type, 414 int *sample_rate) 415 { 416 struct pcxhr_rmh rmh; 417 unsigned char reg; 418 int err, rate; 419 420 switch (clock_type) { 421 case PCXHR_CLOCK_TYPE_WORD_CLOCK: 422 reg = REG_STATUS_WORD_CLOCK; 423 break; 424 case PCXHR_CLOCK_TYPE_AES_SYNC: 425 reg = REG_STATUS_AES_SYNC; 426 break; 427 case PCXHR_CLOCK_TYPE_AES_1: 428 reg = REG_STATUS_AES_1; 429 break; 430 case PCXHR_CLOCK_TYPE_AES_2: 431 reg = REG_STATUS_AES_2; 432 break; 433 case PCXHR_CLOCK_TYPE_AES_3: 434 reg = REG_STATUS_AES_3; 435 break; 436 case PCXHR_CLOCK_TYPE_AES_4: 437 reg = REG_STATUS_AES_4; 438 break; 439 default: 440 return -EINVAL; 441 } 442 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); 443 rmh.cmd_len = 2; 444 rmh.cmd[0] |= IO_NUM_REG_STATUS; 445 if (mgr->last_reg_stat != reg) { 446 rmh.cmd[1] = reg; 447 err = pcxhr_send_msg(mgr, &rmh); 448 if (err) 449 return err; 450 udelay(100); /* wait minimum 2 sample_frames at 32kHz ! */ 451 mgr->last_reg_stat = reg; 452 } 453 rmh.cmd[1] = REG_STATUS_CURRENT; 454 err = pcxhr_send_msg(mgr, &rmh); 455 if (err) 456 return err; 457 switch (rmh.stat[1] & 0x0f) { 458 case REG_STATUS_SYNC_32000 : rate = 32000; break; 459 case REG_STATUS_SYNC_44100 : rate = 44100; break; 460 case REG_STATUS_SYNC_48000 : rate = 48000; break; 461 case REG_STATUS_SYNC_64000 : rate = 64000; break; 462 case REG_STATUS_SYNC_88200 : rate = 88200; break; 463 case REG_STATUS_SYNC_96000 : rate = 96000; break; 464 case REG_STATUS_SYNC_128000 : rate = 128000; break; 465 case REG_STATUS_SYNC_176400 : rate = 176400; break; 466 case REG_STATUS_SYNC_192000 : rate = 192000; break; 467 default: rate = 0; 468 } 469 dev_dbg(&mgr->pci->dev, "External clock is at %d Hz\n", rate); 470 *sample_rate = rate; 471 return 0; 472 } 473 474 475 int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, 476 enum pcxhr_clock_type clock_type, 477 int *sample_rate) 478 { 479 if (mgr->is_hr_stereo) 480 return hr222_get_external_clock(mgr, clock_type, 481 sample_rate); 482 else 483 return pcxhr_sub_get_external_clock(mgr, clock_type, 484 sample_rate); 485 } 486 487 /* 488 * start or stop playback/capture substream 489 */ 490 static int pcxhr_set_stream_state(struct snd_pcxhr *chip, 491 struct pcxhr_stream *stream) 492 { 493 int err; 494 struct pcxhr_rmh rmh; 495 int stream_mask, start; 496 497 if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) 498 start = 1; 499 else { 500 if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) { 501 dev_err(chip->card->dev, 502 "pcxhr_set_stream_state CANNOT be stopped\n"); 503 return -EINVAL; 504 } 505 start = 0; 506 } 507 if (!stream->substream) 508 return -EINVAL; 509 510 stream->timer_abs_periods = 0; 511 stream->timer_period_frag = 0; /* reset theoretical stream pos */ 512 stream->timer_buf_periods = 0; 513 stream->timer_is_synced = 0; 514 515 stream_mask = 516 stream->pipe->is_capture ? 1 : 1<<stream->substream->number; 517 518 pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM); 519 pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 520 stream->pipe->first_audio, 0, stream_mask); 521 522 chip = snd_pcm_substream_chip(stream->substream); 523 524 err = pcxhr_send_msg(chip->mgr, &rmh); 525 if (err) 526 dev_err(chip->card->dev, 527 "ERROR pcxhr_set_stream_state err=%x;\n", err); 528 stream->status = 529 start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED; 530 return err; 531 } 532 533 #define HEADER_FMT_BASE_LIN 0xfed00000 534 #define HEADER_FMT_BASE_FLOAT 0xfad00000 535 #define HEADER_FMT_INTEL 0x00008000 536 #define HEADER_FMT_24BITS 0x00004000 537 #define HEADER_FMT_16BITS 0x00002000 538 #define HEADER_FMT_UPTO11 0x00000200 539 #define HEADER_FMT_UPTO32 0x00000100 540 #define HEADER_FMT_MONO 0x00000080 541 542 static int pcxhr_set_format(struct pcxhr_stream *stream) 543 { 544 int err, is_capture, sample_rate, stream_num; 545 struct snd_pcxhr *chip; 546 struct pcxhr_rmh rmh; 547 unsigned int header; 548 549 chip = snd_pcm_substream_chip(stream->substream); 550 switch (stream->format) { 551 case SNDRV_PCM_FORMAT_U8: 552 header = HEADER_FMT_BASE_LIN; 553 break; 554 case SNDRV_PCM_FORMAT_S16_LE: 555 header = HEADER_FMT_BASE_LIN | 556 HEADER_FMT_16BITS | HEADER_FMT_INTEL; 557 break; 558 case SNDRV_PCM_FORMAT_S16_BE: 559 header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS; 560 break; 561 case SNDRV_PCM_FORMAT_S24_3LE: 562 header = HEADER_FMT_BASE_LIN | 563 HEADER_FMT_24BITS | HEADER_FMT_INTEL; 564 break; 565 case SNDRV_PCM_FORMAT_S24_3BE: 566 header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS; 567 break; 568 case SNDRV_PCM_FORMAT_FLOAT_LE: 569 header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL; 570 break; 571 default: 572 dev_err(chip->card->dev, 573 "error pcxhr_set_format() : unknown format\n"); 574 return -EINVAL; 575 } 576 577 sample_rate = chip->mgr->sample_rate; 578 if (sample_rate <= 32000 && sample_rate !=0) { 579 if (sample_rate <= 11025) 580 header |= HEADER_FMT_UPTO11; 581 else 582 header |= HEADER_FMT_UPTO32; 583 } 584 if (stream->channels == 1) 585 header |= HEADER_FMT_MONO; 586 587 is_capture = stream->pipe->is_capture; 588 stream_num = is_capture ? 0 : stream->substream->number; 589 590 pcxhr_init_rmh(&rmh, is_capture ? 591 CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT); 592 pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, 593 stream_num, 0); 594 if (is_capture) { 595 /* bug with old dsp versions: */ 596 /* bit 12 also sets the format of the playback stream */ 597 if (DSP_EXT_CMD_SET(chip->mgr)) 598 rmh.cmd[0] |= 1<<10; 599 else 600 rmh.cmd[0] |= 1<<12; 601 } 602 rmh.cmd[1] = 0; 603 rmh.cmd_len = 2; 604 if (DSP_EXT_CMD_SET(chip->mgr)) { 605 /* add channels and set bit 19 if channels>2 */ 606 rmh.cmd[1] = stream->channels; 607 if (!is_capture) { 608 /* playback : add channel mask to command */ 609 rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03; 610 rmh.cmd_len = 3; 611 } 612 } 613 rmh.cmd[rmh.cmd_len++] = header >> 8; 614 rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16; 615 err = pcxhr_send_msg(chip->mgr, &rmh); 616 if (err) 617 dev_err(chip->card->dev, 618 "ERROR pcxhr_set_format err=%x;\n", err); 619 return err; 620 } 621 622 static int pcxhr_update_r_buffer(struct pcxhr_stream *stream) 623 { 624 int err, is_capture, stream_num; 625 struct pcxhr_rmh rmh; 626 struct snd_pcm_substream *subs = stream->substream; 627 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 628 629 is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE); 630 stream_num = is_capture ? 0 : subs->number; 631 632 dev_dbg(chip->card->dev, 633 "pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n", 634 is_capture ? 'c' : 'p', 635 chip->chip_idx, (void *)(long)subs->runtime->dma_addr, 636 subs->runtime->dma_bytes, subs->number); 637 638 pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS); 639 pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, 640 stream_num, 0); 641 642 /* max buffer size is 2 MByte */ 643 snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000); 644 /* size in bits */ 645 rmh.cmd[1] = subs->runtime->dma_bytes * 8; 646 /* most significant byte */ 647 rmh.cmd[2] = subs->runtime->dma_addr >> 24; 648 /* this is a circular buffer */ 649 rmh.cmd[2] |= 1<<19; 650 /* least 3 significant bytes */ 651 rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD; 652 rmh.cmd_len = 4; 653 err = pcxhr_send_msg(chip->mgr, &rmh); 654 if (err) 655 dev_err(chip->card->dev, 656 "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err); 657 return err; 658 } 659 660 661 #if 0 662 static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream, 663 snd_pcm_uframes_t *sample_count) 664 { 665 struct pcxhr_rmh rmh; 666 int err; 667 pcxhr_t *chip = snd_pcm_substream_chip(stream->substream); 668 pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT); 669 pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0, 670 1<<stream->pipe->first_audio); 671 err = pcxhr_send_msg(chip->mgr, &rmh); 672 if (err == 0) { 673 *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24; 674 *sample_count += (snd_pcm_uframes_t)rmh.stat[1]; 675 } 676 dev_dbg(chip->card->dev, "PIPE_SAMPLE_COUNT = %lx\n", *sample_count); 677 return err; 678 } 679 #endif 680 681 static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream, 682 struct pcxhr_pipe **pipe) 683 { 684 if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) { 685 *pipe = stream->pipe; 686 return 1; 687 } 688 return 0; 689 } 690 691 static void pcxhr_start_linked_stream(struct pcxhr_mgr *mgr) 692 { 693 int i, j, err; 694 struct pcxhr_pipe *pipe; 695 struct snd_pcxhr *chip; 696 int capture_mask = 0; 697 int playback_mask = 0; 698 699 #ifdef CONFIG_SND_DEBUG_VERBOSE 700 ktime_t start_time, stop_time, diff_time; 701 702 start_time = ktime_get(); 703 #endif 704 mutex_lock(&mgr->setup_mutex); 705 706 /* check the pipes concerned and build pipe_array */ 707 for (i = 0; i < mgr->num_cards; i++) { 708 chip = mgr->chip[i]; 709 for (j = 0; j < chip->nb_streams_capt; j++) { 710 if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe)) 711 capture_mask |= (1 << pipe->first_audio); 712 } 713 for (j = 0; j < chip->nb_streams_play; j++) { 714 if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) { 715 playback_mask |= (1 << pipe->first_audio); 716 break; /* add only once, as all playback 717 * streams of one chip use the same pipe 718 */ 719 } 720 } 721 } 722 if (capture_mask == 0 && playback_mask == 0) { 723 mutex_unlock(&mgr->setup_mutex); 724 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : no pipes\n"); 725 return; 726 } 727 728 dev_dbg(&mgr->pci->dev, "pcxhr_start_linked_stream : " 729 "playback_mask=%x capture_mask=%x\n", 730 playback_mask, capture_mask); 731 732 /* synchronous stop of all the pipes concerned */ 733 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0); 734 if (err) { 735 mutex_unlock(&mgr->setup_mutex); 736 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : " 737 "error stop pipes (P%x C%x)\n", 738 playback_mask, capture_mask); 739 return; 740 } 741 742 /* the dsp lost format and buffer info with the stop pipe */ 743 for (i = 0; i < mgr->num_cards; i++) { 744 struct pcxhr_stream *stream; 745 chip = mgr->chip[i]; 746 for (j = 0; j < chip->nb_streams_capt; j++) { 747 stream = &chip->capture_stream[j]; 748 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) { 749 err = pcxhr_set_format(stream); 750 err = pcxhr_update_r_buffer(stream); 751 } 752 } 753 for (j = 0; j < chip->nb_streams_play; j++) { 754 stream = &chip->playback_stream[j]; 755 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) { 756 err = pcxhr_set_format(stream); 757 err = pcxhr_update_r_buffer(stream); 758 } 759 } 760 } 761 /* start all the streams */ 762 for (i = 0; i < mgr->num_cards; i++) { 763 struct pcxhr_stream *stream; 764 chip = mgr->chip[i]; 765 for (j = 0; j < chip->nb_streams_capt; j++) { 766 stream = &chip->capture_stream[j]; 767 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) 768 err = pcxhr_set_stream_state(chip, stream); 769 } 770 for (j = 0; j < chip->nb_streams_play; j++) { 771 stream = &chip->playback_stream[j]; 772 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) 773 err = pcxhr_set_stream_state(chip, stream); 774 } 775 } 776 777 /* synchronous start of all the pipes concerned */ 778 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1); 779 if (err) { 780 mutex_unlock(&mgr->setup_mutex); 781 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : " 782 "error start pipes (P%x C%x)\n", 783 playback_mask, capture_mask); 784 return; 785 } 786 787 /* put the streams into the running state now 788 * (increment pointer by interrupt) 789 */ 790 mutex_lock(&mgr->lock); 791 for ( i =0; i < mgr->num_cards; i++) { 792 struct pcxhr_stream *stream; 793 chip = mgr->chip[i]; 794 for(j = 0; j < chip->nb_streams_capt; j++) { 795 stream = &chip->capture_stream[j]; 796 if(stream->status == PCXHR_STREAM_STATUS_STARTED) 797 stream->status = PCXHR_STREAM_STATUS_RUNNING; 798 } 799 for (j = 0; j < chip->nb_streams_play; j++) { 800 stream = &chip->playback_stream[j]; 801 if (stream->status == PCXHR_STREAM_STATUS_STARTED) { 802 /* playback will already have advanced ! */ 803 stream->timer_period_frag += mgr->granularity; 804 stream->status = PCXHR_STREAM_STATUS_RUNNING; 805 } 806 } 807 } 808 mutex_unlock(&mgr->lock); 809 810 mutex_unlock(&mgr->setup_mutex); 811 812 #ifdef CONFIG_SND_DEBUG_VERBOSE 813 stop_time = ktime_get(); 814 diff_time = ktime_sub(stop_time, start_time); 815 dev_dbg(&mgr->pci->dev, "***TRIGGER START*** TIME = %ld (err = %x)\n", 816 (long)(ktime_to_ns(diff_time)), err); 817 #endif 818 } 819 820 821 /* 822 * trigger callback 823 */ 824 static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd) 825 { 826 struct pcxhr_stream *stream; 827 struct snd_pcm_substream *s; 828 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 829 830 switch (cmd) { 831 case SNDRV_PCM_TRIGGER_START: 832 dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_START\n"); 833 if (snd_pcm_stream_linked(subs)) { 834 snd_pcm_group_for_each_entry(s, subs) { 835 if (snd_pcm_substream_chip(s) != chip) 836 continue; 837 stream = s->runtime->private_data; 838 stream->status = 839 PCXHR_STREAM_STATUS_SCHEDULE_RUN; 840 snd_pcm_trigger_done(s, subs); 841 } 842 pcxhr_start_linked_stream(chip->mgr); 843 } else { 844 stream = subs->runtime->private_data; 845 dev_dbg(chip->card->dev, "Only one Substream %c %d\n", 846 stream->pipe->is_capture ? 'C' : 'P', 847 stream->pipe->first_audio); 848 if (pcxhr_set_format(stream)) 849 return -EINVAL; 850 if (pcxhr_update_r_buffer(stream)) 851 return -EINVAL; 852 853 stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN; 854 if (pcxhr_set_stream_state(chip, stream)) 855 return -EINVAL; 856 stream->status = PCXHR_STREAM_STATUS_RUNNING; 857 } 858 break; 859 case SNDRV_PCM_TRIGGER_STOP: 860 dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_STOP\n"); 861 snd_pcm_group_for_each_entry(s, subs) { 862 stream = s->runtime->private_data; 863 stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP; 864 if (pcxhr_set_stream_state(chip, stream)) 865 return -EINVAL; 866 snd_pcm_trigger_done(s, subs); 867 } 868 break; 869 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 870 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 871 /* TODO */ 872 default: 873 return -EINVAL; 874 } 875 return 0; 876 } 877 878 879 static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start) 880 { 881 struct pcxhr_rmh rmh; 882 int err; 883 884 pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT); 885 if (start) { 886 /* last dsp time invalid */ 887 mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID; 888 rmh.cmd[0] |= mgr->granularity; 889 } 890 err = pcxhr_send_msg(mgr, &rmh); 891 if (err < 0) 892 dev_err(&mgr->pci->dev, "error pcxhr_hardware_timer err(%x)\n", 893 err); 894 return err; 895 } 896 897 /* 898 * prepare callback for all pcms 899 */ 900 static int pcxhr_prepare(struct snd_pcm_substream *subs) 901 { 902 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 903 struct pcxhr_mgr *mgr = chip->mgr; 904 int err = 0; 905 906 dev_dbg(chip->card->dev, 907 "pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n", 908 subs->runtime->period_size, subs->runtime->periods, 909 subs->runtime->buffer_size); 910 911 mutex_lock(&mgr->setup_mutex); 912 913 do { 914 /* only the first stream can choose the sample rate */ 915 /* set the clock only once (first stream) */ 916 if (mgr->sample_rate != subs->runtime->rate) { 917 err = pcxhr_set_clock(mgr, subs->runtime->rate); 918 if (err) 919 break; 920 if (mgr->sample_rate == 0) 921 /* start the DSP-timer */ 922 err = pcxhr_hardware_timer(mgr, 1); 923 mgr->sample_rate = subs->runtime->rate; 924 } 925 } while(0); /* do only once (so we can use break instead of goto) */ 926 927 mutex_unlock(&mgr->setup_mutex); 928 929 return err; 930 } 931 932 933 /* 934 * HW_PARAMS callback for all pcms 935 */ 936 static int pcxhr_hw_params(struct snd_pcm_substream *subs, 937 struct snd_pcm_hw_params *hw) 938 { 939 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 940 struct pcxhr_mgr *mgr = chip->mgr; 941 struct pcxhr_stream *stream = subs->runtime->private_data; 942 943 mutex_lock(&mgr->setup_mutex); 944 945 /* set up channels */ 946 stream->channels = params_channels(hw); 947 /* set up format for the stream */ 948 stream->format = params_format(hw); 949 950 mutex_unlock(&mgr->setup_mutex); 951 952 return 0; 953 } 954 955 956 /* 957 * CONFIGURATION SPACE for all pcms, mono pcm must update channels_max 958 */ 959 static const struct snd_pcm_hardware pcxhr_caps = 960 { 961 .info = (SNDRV_PCM_INFO_MMAP | 962 SNDRV_PCM_INFO_INTERLEAVED | 963 SNDRV_PCM_INFO_MMAP_VALID | 964 SNDRV_PCM_INFO_SYNC_START), 965 .formats = (SNDRV_PCM_FMTBIT_U8 | 966 SNDRV_PCM_FMTBIT_S16_LE | 967 SNDRV_PCM_FMTBIT_S16_BE | 968 SNDRV_PCM_FMTBIT_S24_3LE | 969 SNDRV_PCM_FMTBIT_S24_3BE | 970 SNDRV_PCM_FMTBIT_FLOAT_LE), 971 .rates = (SNDRV_PCM_RATE_CONTINUOUS | 972 SNDRV_PCM_RATE_8000_192000), 973 .rate_min = 8000, 974 .rate_max = 192000, 975 .channels_min = 1, 976 .channels_max = 2, 977 .buffer_bytes_max = (32*1024), 978 /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */ 979 .period_bytes_min = (2*PCXHR_GRANULARITY), 980 .period_bytes_max = (16*1024), 981 .periods_min = 2, 982 .periods_max = (32*1024/PCXHR_GRANULARITY), 983 }; 984 985 986 static int pcxhr_open(struct snd_pcm_substream *subs) 987 { 988 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 989 struct pcxhr_mgr *mgr = chip->mgr; 990 struct snd_pcm_runtime *runtime = subs->runtime; 991 struct pcxhr_stream *stream; 992 int err; 993 994 mutex_lock(&mgr->setup_mutex); 995 996 /* copy the struct snd_pcm_hardware struct */ 997 runtime->hw = pcxhr_caps; 998 999 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) { 1000 dev_dbg(chip->card->dev, "pcxhr_open playback chip%d subs%d\n", 1001 chip->chip_idx, subs->number); 1002 stream = &chip->playback_stream[subs->number]; 1003 } else { 1004 dev_dbg(chip->card->dev, "pcxhr_open capture chip%d subs%d\n", 1005 chip->chip_idx, subs->number); 1006 if (mgr->mono_capture) 1007 runtime->hw.channels_max = 1; 1008 else 1009 runtime->hw.channels_min = 2; 1010 stream = &chip->capture_stream[subs->number]; 1011 } 1012 if (stream->status != PCXHR_STREAM_STATUS_FREE){ 1013 /* streams in use */ 1014 dev_err(chip->card->dev, "pcxhr_open chip%d subs%d in use\n", 1015 chip->chip_idx, subs->number); 1016 mutex_unlock(&mgr->setup_mutex); 1017 return -EBUSY; 1018 } 1019 1020 /* float format support is in some cases buggy on stereo cards */ 1021 if (mgr->is_hr_stereo) 1022 runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE; 1023 1024 /* buffer-size should better be multiple of period-size */ 1025 err = snd_pcm_hw_constraint_integer(runtime, 1026 SNDRV_PCM_HW_PARAM_PERIODS); 1027 if (err < 0) { 1028 mutex_unlock(&mgr->setup_mutex); 1029 return err; 1030 } 1031 1032 /* if a sample rate is already used or fixed by external clock, 1033 * the stream cannot change 1034 */ 1035 if (mgr->sample_rate) 1036 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; 1037 else { 1038 if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) { 1039 int external_rate; 1040 if (pcxhr_get_external_clock(mgr, mgr->use_clock_type, 1041 &external_rate) || 1042 external_rate == 0) { 1043 /* cannot detect the external clock rate */ 1044 mutex_unlock(&mgr->setup_mutex); 1045 return -EBUSY; 1046 } 1047 runtime->hw.rate_min = external_rate; 1048 runtime->hw.rate_max = external_rate; 1049 } 1050 } 1051 1052 stream->status = PCXHR_STREAM_STATUS_OPEN; 1053 stream->substream = subs; 1054 stream->channels = 0; /* not configured yet */ 1055 1056 runtime->private_data = stream; 1057 1058 /* better get a divisor of granularity values (96 or 192) */ 1059 snd_pcm_hw_constraint_step(runtime, 0, 1060 SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32); 1061 snd_pcm_hw_constraint_step(runtime, 0, 1062 SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32); 1063 snd_pcm_set_sync(subs); 1064 1065 mgr->ref_count_rate++; 1066 1067 mutex_unlock(&mgr->setup_mutex); 1068 return 0; 1069 } 1070 1071 1072 static int pcxhr_close(struct snd_pcm_substream *subs) 1073 { 1074 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 1075 struct pcxhr_mgr *mgr = chip->mgr; 1076 struct pcxhr_stream *stream = subs->runtime->private_data; 1077 1078 mutex_lock(&mgr->setup_mutex); 1079 1080 dev_dbg(chip->card->dev, "pcxhr_close chip%d subs%d\n", 1081 chip->chip_idx, subs->number); 1082 1083 /* sample rate released */ 1084 if (--mgr->ref_count_rate == 0) { 1085 mgr->sample_rate = 0; /* the sample rate is no more locked */ 1086 pcxhr_hardware_timer(mgr, 0); /* stop the DSP-timer */ 1087 } 1088 1089 stream->status = PCXHR_STREAM_STATUS_FREE; 1090 stream->substream = NULL; 1091 1092 mutex_unlock(&mgr->setup_mutex); 1093 1094 return 0; 1095 } 1096 1097 1098 static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs) 1099 { 1100 u_int32_t timer_period_frag; 1101 int timer_buf_periods; 1102 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs); 1103 struct snd_pcm_runtime *runtime = subs->runtime; 1104 struct pcxhr_stream *stream = runtime->private_data; 1105 1106 mutex_lock(&chip->mgr->lock); 1107 1108 /* get the period fragment and the nb of periods in the buffer */ 1109 timer_period_frag = stream->timer_period_frag; 1110 timer_buf_periods = stream->timer_buf_periods; 1111 1112 mutex_unlock(&chip->mgr->lock); 1113 1114 return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) + 1115 timer_period_frag); 1116 } 1117 1118 1119 static const struct snd_pcm_ops pcxhr_ops = { 1120 .open = pcxhr_open, 1121 .close = pcxhr_close, 1122 .prepare = pcxhr_prepare, 1123 .hw_params = pcxhr_hw_params, 1124 .trigger = pcxhr_trigger, 1125 .pointer = pcxhr_stream_pointer, 1126 }; 1127 1128 /* 1129 */ 1130 int pcxhr_create_pcm(struct snd_pcxhr *chip) 1131 { 1132 int err; 1133 struct snd_pcm *pcm; 1134 char name[32]; 1135 1136 snprintf(name, sizeof(name), "pcxhr %d", chip->chip_idx); 1137 err = snd_pcm_new(chip->card, name, 0, 1138 chip->nb_streams_play, 1139 chip->nb_streams_capt, &pcm); 1140 if (err < 0) { 1141 dev_err(chip->card->dev, "cannot create pcm %s\n", name); 1142 return err; 1143 } 1144 pcm->private_data = chip; 1145 1146 if (chip->nb_streams_play) 1147 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops); 1148 if (chip->nb_streams_capt) 1149 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops); 1150 1151 pcm->info_flags = 0; 1152 pcm->nonatomic = true; 1153 strcpy(pcm->name, name); 1154 1155 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, 1156 &chip->mgr->pci->dev, 1157 32*1024, 32*1024); 1158 chip->pcm = pcm; 1159 return 0; 1160 } 1161 1162 static int pcxhr_chip_free(struct snd_pcxhr *chip) 1163 { 1164 kfree(chip); 1165 return 0; 1166 } 1167 1168 static int pcxhr_chip_dev_free(struct snd_device *device) 1169 { 1170 struct snd_pcxhr *chip = device->device_data; 1171 return pcxhr_chip_free(chip); 1172 } 1173 1174 1175 /* 1176 */ 1177 static int pcxhr_create(struct pcxhr_mgr *mgr, 1178 struct snd_card *card, int idx) 1179 { 1180 int err; 1181 struct snd_pcxhr *chip; 1182 static const struct snd_device_ops ops = { 1183 .dev_free = pcxhr_chip_dev_free, 1184 }; 1185 1186 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 1187 if (!chip) 1188 return -ENOMEM; 1189 1190 chip->card = card; 1191 chip->chip_idx = idx; 1192 chip->mgr = mgr; 1193 card->sync_irq = mgr->irq; 1194 1195 if (idx < mgr->playback_chips) 1196 /* stereo or mono streams */ 1197 chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS; 1198 1199 if (idx < mgr->capture_chips) { 1200 if (mgr->mono_capture) 1201 chip->nb_streams_capt = 2; /* 2 mono streams */ 1202 else 1203 chip->nb_streams_capt = 1; /* or 1 stereo stream */ 1204 } 1205 1206 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 1207 if (err < 0) { 1208 pcxhr_chip_free(chip); 1209 return err; 1210 } 1211 1212 mgr->chip[idx] = chip; 1213 1214 return 0; 1215 } 1216 1217 /* proc interface */ 1218 static void pcxhr_proc_info(struct snd_info_entry *entry, 1219 struct snd_info_buffer *buffer) 1220 { 1221 struct snd_pcxhr *chip = entry->private_data; 1222 struct pcxhr_mgr *mgr = chip->mgr; 1223 1224 snd_iprintf(buffer, "\n%s\n", mgr->name); 1225 1226 /* stats available when embedded DSP is running */ 1227 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { 1228 struct pcxhr_rmh rmh; 1229 short ver_maj = (mgr->dsp_version >> 16) & 0xff; 1230 short ver_min = (mgr->dsp_version >> 8) & 0xff; 1231 short ver_build = mgr->dsp_version & 0xff; 1232 snd_iprintf(buffer, "module version %s\n", 1233 PCXHR_DRIVER_VERSION_STRING); 1234 snd_iprintf(buffer, "dsp version %d.%d.%d\n", 1235 ver_maj, ver_min, ver_build); 1236 if (mgr->board_has_analog) 1237 snd_iprintf(buffer, "analog io available\n"); 1238 else 1239 snd_iprintf(buffer, "digital only board\n"); 1240 1241 /* calc cpu load of the dsp */ 1242 pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES); 1243 if( ! pcxhr_send_msg(mgr, &rmh) ) { 1244 int cur = rmh.stat[0]; 1245 int ref = rmh.stat[1]; 1246 if (ref > 0) { 1247 if (mgr->sample_rate_real != 0 && 1248 mgr->sample_rate_real != 48000) { 1249 ref = (ref * 48000) / 1250 mgr->sample_rate_real; 1251 if (mgr->sample_rate_real >= 1252 PCXHR_IRQ_TIMER_FREQ) 1253 ref *= 2; 1254 } 1255 cur = 100 - (100 * cur) / ref; 1256 snd_iprintf(buffer, "cpu load %d%%\n", cur); 1257 snd_iprintf(buffer, "buffer pool %d/%d\n", 1258 rmh.stat[2], rmh.stat[3]); 1259 } 1260 } 1261 snd_iprintf(buffer, "dma granularity : %d\n", 1262 mgr->granularity); 1263 snd_iprintf(buffer, "dsp time errors : %d\n", 1264 mgr->dsp_time_err); 1265 snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n", 1266 mgr->async_err_pipe_xrun); 1267 snd_iprintf(buffer, "dsp async stream xrun errors : %d\n", 1268 mgr->async_err_stream_xrun); 1269 snd_iprintf(buffer, "dsp async last other error : %x\n", 1270 mgr->async_err_other_last); 1271 /* debug zone dsp */ 1272 rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS; 1273 rmh.cmd_len = 1; 1274 rmh.stat_len = PCXHR_SIZE_MAX_STATUS; 1275 rmh.dsp_stat = 0; 1276 rmh.cmd_idx = CMD_LAST_INDEX; 1277 if( ! pcxhr_send_msg(mgr, &rmh) ) { 1278 int i; 1279 if (rmh.stat_len > 8) 1280 rmh.stat_len = 8; 1281 for (i = 0; i < rmh.stat_len; i++) 1282 snd_iprintf(buffer, "debug[%02d] = %06x\n", 1283 i, rmh.stat[i]); 1284 } 1285 } else 1286 snd_iprintf(buffer, "no firmware loaded\n"); 1287 snd_iprintf(buffer, "\n"); 1288 } 1289 static void pcxhr_proc_sync(struct snd_info_entry *entry, 1290 struct snd_info_buffer *buffer) 1291 { 1292 struct snd_pcxhr *chip = entry->private_data; 1293 struct pcxhr_mgr *mgr = chip->mgr; 1294 static const char *textsHR22[3] = { 1295 "Internal", "AES Sync", "AES 1" 1296 }; 1297 static const char *textsPCXHR[7] = { 1298 "Internal", "Word", "AES Sync", 1299 "AES 1", "AES 2", "AES 3", "AES 4" 1300 }; 1301 const char **texts; 1302 int max_clock; 1303 if (mgr->is_hr_stereo) { 1304 texts = textsHR22; 1305 max_clock = HR22_CLOCK_TYPE_MAX; 1306 } else { 1307 texts = textsPCXHR; 1308 max_clock = PCXHR_CLOCK_TYPE_MAX; 1309 } 1310 1311 snd_iprintf(buffer, "\n%s\n", mgr->name); 1312 snd_iprintf(buffer, "Current Sample Clock\t: %s\n", 1313 texts[mgr->cur_clock_type]); 1314 snd_iprintf(buffer, "Current Sample Rate\t= %d\n", 1315 mgr->sample_rate_real); 1316 /* commands available when embedded DSP is running */ 1317 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { 1318 int i, err, sample_rate; 1319 for (i = 1; i <= max_clock; i++) { 1320 err = pcxhr_get_external_clock(mgr, i, &sample_rate); 1321 if (err) 1322 break; 1323 snd_iprintf(buffer, "%s Clock\t\t= %d\n", 1324 texts[i], sample_rate); 1325 } 1326 } else 1327 snd_iprintf(buffer, "no firmware loaded\n"); 1328 snd_iprintf(buffer, "\n"); 1329 } 1330 1331 static void pcxhr_proc_gpio_read(struct snd_info_entry *entry, 1332 struct snd_info_buffer *buffer) 1333 { 1334 struct snd_pcxhr *chip = entry->private_data; 1335 struct pcxhr_mgr *mgr = chip->mgr; 1336 /* commands available when embedded DSP is running */ 1337 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) { 1338 /* gpio ports on stereo boards only available */ 1339 int value = 0; 1340 hr222_read_gpio(mgr, 1, &value); /* GPI */ 1341 snd_iprintf(buffer, "GPI: 0x%x\n", value); 1342 hr222_read_gpio(mgr, 0, &value); /* GP0 */ 1343 snd_iprintf(buffer, "GPO: 0x%x\n", value); 1344 } else 1345 snd_iprintf(buffer, "no firmware loaded\n"); 1346 snd_iprintf(buffer, "\n"); 1347 } 1348 static void pcxhr_proc_gpo_write(struct snd_info_entry *entry, 1349 struct snd_info_buffer *buffer) 1350 { 1351 struct snd_pcxhr *chip = entry->private_data; 1352 struct pcxhr_mgr *mgr = chip->mgr; 1353 char line[64]; 1354 int value; 1355 /* commands available when embedded DSP is running */ 1356 if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) 1357 return; 1358 while (!snd_info_get_line(buffer, line, sizeof(line))) { 1359 if (sscanf(line, "GPO: 0x%x", &value) != 1) 1360 continue; 1361 hr222_write_gpo(mgr, value); /* GP0 */ 1362 } 1363 } 1364 1365 /* Access to the results of the CMD_GET_TIME_CODE RMH */ 1366 #define TIME_CODE_VALID_MASK 0x00800000 1367 #define TIME_CODE_NEW_MASK 0x00400000 1368 #define TIME_CODE_BACK_MASK 0x00200000 1369 #define TIME_CODE_WAIT_MASK 0x00100000 1370 1371 /* Values for the CMD_MANAGE_SIGNAL RMH */ 1372 #define MANAGE_SIGNAL_TIME_CODE 0x01 1373 #define MANAGE_SIGNAL_MIDI 0x02 1374 1375 /* linear time code read proc*/ 1376 static void pcxhr_proc_ltc(struct snd_info_entry *entry, 1377 struct snd_info_buffer *buffer) 1378 { 1379 struct snd_pcxhr *chip = entry->private_data; 1380 struct pcxhr_mgr *mgr = chip->mgr; 1381 struct pcxhr_rmh rmh; 1382 unsigned int ltcHrs, ltcMin, ltcSec, ltcFrm; 1383 int err; 1384 /* commands available when embedded DSP is running */ 1385 if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) { 1386 snd_iprintf(buffer, "no firmware loaded\n"); 1387 return; 1388 } 1389 if (!mgr->capture_ltc) { 1390 pcxhr_init_rmh(&rmh, CMD_MANAGE_SIGNAL); 1391 rmh.cmd[0] |= MANAGE_SIGNAL_TIME_CODE; 1392 err = pcxhr_send_msg(mgr, &rmh); 1393 if (err) { 1394 snd_iprintf(buffer, "ltc not activated (%d)\n", err); 1395 return; 1396 } 1397 if (mgr->is_hr_stereo) 1398 hr222_manage_timecode(mgr, 1); 1399 else 1400 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_VALSMPTE, 1401 REG_CONT_VALSMPTE, NULL); 1402 mgr->capture_ltc = 1; 1403 } 1404 pcxhr_init_rmh(&rmh, CMD_GET_TIME_CODE); 1405 err = pcxhr_send_msg(mgr, &rmh); 1406 if (err) { 1407 snd_iprintf(buffer, "ltc read error (err=%d)\n", err); 1408 return ; 1409 } 1410 ltcHrs = 10*((rmh.stat[0] >> 8) & 0x3) + (rmh.stat[0] & 0xf); 1411 ltcMin = 10*((rmh.stat[1] >> 16) & 0x7) + ((rmh.stat[1] >> 8) & 0xf); 1412 ltcSec = 10*(rmh.stat[1] & 0x7) + ((rmh.stat[2] >> 16) & 0xf); 1413 ltcFrm = 10*((rmh.stat[2] >> 8) & 0x3) + (rmh.stat[2] & 0xf); 1414 1415 snd_iprintf(buffer, "timecode: %02u:%02u:%02u-%02u\n", 1416 ltcHrs, ltcMin, ltcSec, ltcFrm); 1417 snd_iprintf(buffer, "raw: 0x%04x%06x%06x\n", rmh.stat[0] & 0x00ffff, 1418 rmh.stat[1] & 0xffffff, rmh.stat[2] & 0xffffff); 1419 /*snd_iprintf(buffer, "dsp ref time: 0x%06x%06x\n", 1420 rmh.stat[3] & 0xffffff, rmh.stat[4] & 0xffffff);*/ 1421 if (!(rmh.stat[0] & TIME_CODE_VALID_MASK)) { 1422 snd_iprintf(buffer, "warning: linear timecode not valid\n"); 1423 } 1424 } 1425 1426 static void pcxhr_proc_init(struct snd_pcxhr *chip) 1427 { 1428 snd_card_ro_proc_new(chip->card, "info", chip, pcxhr_proc_info); 1429 snd_card_ro_proc_new(chip->card, "sync", chip, pcxhr_proc_sync); 1430 /* gpio available on stereo sound cards only */ 1431 if (chip->mgr->is_hr_stereo) 1432 snd_card_rw_proc_new(chip->card, "gpio", chip, 1433 pcxhr_proc_gpio_read, 1434 pcxhr_proc_gpo_write); 1435 snd_card_ro_proc_new(chip->card, "ltc", chip, pcxhr_proc_ltc); 1436 } 1437 /* end of proc interface */ 1438 1439 /* 1440 * release all the cards assigned to a manager instance 1441 */ 1442 static int pcxhr_free(struct pcxhr_mgr *mgr) 1443 { 1444 unsigned int i; 1445 1446 for (i = 0; i < mgr->num_cards; i++) { 1447 if (mgr->chip[i]) 1448 snd_card_free(mgr->chip[i]->card); 1449 } 1450 1451 /* reset board if some firmware was loaded */ 1452 if(mgr->dsp_loaded) { 1453 pcxhr_reset_board(mgr); 1454 dev_dbg(&mgr->pci->dev, "reset pcxhr !\n"); 1455 } 1456 1457 /* release irq */ 1458 if (mgr->irq >= 0) 1459 free_irq(mgr->irq, mgr); 1460 1461 pci_release_regions(mgr->pci); 1462 1463 /* free hostport purgebuffer */ 1464 if (mgr->hostport.area) { 1465 snd_dma_free_pages(&mgr->hostport); 1466 mgr->hostport.area = NULL; 1467 } 1468 1469 kfree(mgr->prmh); 1470 1471 pci_disable_device(mgr->pci); 1472 kfree(mgr); 1473 return 0; 1474 } 1475 1476 /* 1477 * probe function - creates the card manager 1478 */ 1479 static int pcxhr_probe(struct pci_dev *pci, 1480 const struct pci_device_id *pci_id) 1481 { 1482 static int dev; 1483 struct pcxhr_mgr *mgr; 1484 unsigned int i; 1485 int err; 1486 size_t size; 1487 char *card_name; 1488 1489 if (dev >= SNDRV_CARDS) 1490 return -ENODEV; 1491 if (! enable[dev]) { 1492 dev++; 1493 return -ENOENT; 1494 } 1495 1496 /* enable PCI device */ 1497 err = pci_enable_device(pci); 1498 if (err < 0) 1499 return err; 1500 pci_set_master(pci); 1501 1502 /* check if we can restrict PCI DMA transfers to 32 bits */ 1503 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) { 1504 dev_err(&pci->dev, 1505 "architecture does not support 32bit PCI busmaster DMA\n"); 1506 pci_disable_device(pci); 1507 return -ENXIO; 1508 } 1509 1510 /* alloc card manager */ 1511 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL); 1512 if (! mgr) { 1513 pci_disable_device(pci); 1514 return -ENOMEM; 1515 } 1516 1517 if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) { 1518 kfree(mgr); 1519 pci_disable_device(pci); 1520 return -ENODEV; 1521 } 1522 card_name = 1523 pcxhr_board_params[pci_id->driver_data].board_name; 1524 mgr->playback_chips = 1525 pcxhr_board_params[pci_id->driver_data].playback_chips; 1526 mgr->capture_chips = 1527 pcxhr_board_params[pci_id->driver_data].capture_chips; 1528 mgr->fw_file_set = 1529 pcxhr_board_params[pci_id->driver_data].fw_file_set; 1530 mgr->firmware_num = 1531 pcxhr_board_params[pci_id->driver_data].firmware_num; 1532 mgr->mono_capture = mono[dev]; 1533 mgr->is_hr_stereo = (mgr->playback_chips == 1); 1534 mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr); 1535 mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr); 1536 1537 if (mgr->is_hr_stereo) 1538 mgr->granularity = PCXHR_GRANULARITY_HR22; 1539 else 1540 mgr->granularity = PCXHR_GRANULARITY; 1541 1542 /* resource assignment */ 1543 err = pci_request_regions(pci, card_name); 1544 if (err < 0) { 1545 kfree(mgr); 1546 pci_disable_device(pci); 1547 return err; 1548 } 1549 for (i = 0; i < 3; i++) 1550 mgr->port[i] = pci_resource_start(pci, i); 1551 1552 mgr->pci = pci; 1553 mgr->irq = -1; 1554 1555 if (request_threaded_irq(pci->irq, pcxhr_interrupt, 1556 pcxhr_threaded_irq, IRQF_SHARED, 1557 KBUILD_MODNAME, mgr)) { 1558 dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq); 1559 pcxhr_free(mgr); 1560 return -EBUSY; 1561 } 1562 mgr->irq = pci->irq; 1563 1564 snprintf(mgr->name, sizeof(mgr->name), 1565 "Digigram at 0x%lx & 0x%lx, 0x%lx irq %i", 1566 mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq); 1567 1568 /* ISR lock */ 1569 mutex_init(&mgr->lock); 1570 mutex_init(&mgr->msg_lock); 1571 1572 /* init setup mutex*/ 1573 mutex_init(&mgr->setup_mutex); 1574 1575 mgr->prmh = kmalloc(sizeof(*mgr->prmh) + 1576 sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS - 1577 PCXHR_SIZE_MAX_STATUS), 1578 GFP_KERNEL); 1579 if (! mgr->prmh) { 1580 pcxhr_free(mgr); 1581 return -ENOMEM; 1582 } 1583 1584 for (i=0; i < PCXHR_MAX_CARDS; i++) { 1585 struct snd_card *card; 1586 char tmpid[16]; 1587 int idx; 1588 1589 if (i >= max(mgr->playback_chips, mgr->capture_chips)) 1590 break; 1591 mgr->num_cards++; 1592 1593 if (index[dev] < 0) 1594 idx = index[dev]; 1595 else 1596 idx = index[dev] + i; 1597 1598 snprintf(tmpid, sizeof(tmpid), "%s-%d", 1599 id[dev] ? id[dev] : card_name, i); 1600 err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE, 1601 0, &card); 1602 1603 if (err < 0) { 1604 dev_err(&pci->dev, "cannot allocate the card %d\n", i); 1605 pcxhr_free(mgr); 1606 return err; 1607 } 1608 1609 strcpy(card->driver, DRIVER_NAME); 1610 snprintf(card->shortname, sizeof(card->shortname), 1611 "Digigram [PCM #%d]", i); 1612 snprintf(card->longname, sizeof(card->longname), 1613 "%s [PCM #%d]", mgr->name, i); 1614 1615 err = pcxhr_create(mgr, card, i); 1616 if (err < 0) { 1617 snd_card_free(card); 1618 pcxhr_free(mgr); 1619 return err; 1620 } 1621 1622 if (i == 0) 1623 /* init proc interface only for chip0 */ 1624 pcxhr_proc_init(mgr->chip[i]); 1625 1626 err = snd_card_register(card); 1627 if (err < 0) { 1628 pcxhr_free(mgr); 1629 return err; 1630 } 1631 } 1632 1633 /* create hostport purgebuffer */ 1634 size = PAGE_ALIGN(sizeof(struct pcxhr_hostport)); 1635 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev, 1636 size, &mgr->hostport) < 0) { 1637 pcxhr_free(mgr); 1638 return -ENOMEM; 1639 } 1640 /* init purgebuffer */ 1641 memset(mgr->hostport.area, 0, size); 1642 1643 /* create a DSP loader */ 1644 err = pcxhr_setup_firmware(mgr); 1645 if (err < 0) { 1646 pcxhr_free(mgr); 1647 return err; 1648 } 1649 1650 pci_set_drvdata(pci, mgr); 1651 dev++; 1652 return 0; 1653 } 1654 1655 static void pcxhr_remove(struct pci_dev *pci) 1656 { 1657 pcxhr_free(pci_get_drvdata(pci)); 1658 } 1659 1660 static struct pci_driver pcxhr_driver = { 1661 .name = KBUILD_MODNAME, 1662 .id_table = pcxhr_ids, 1663 .probe = pcxhr_probe, 1664 .remove = pcxhr_remove, 1665 }; 1666 1667 module_pci_driver(pcxhr_driver); 1668