Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> |
| 3 | * Routines for control of ESS ES1688/688/488 chip |
| 4 | * |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | #include <sound/driver.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/interrupt.h> |
| 25 | #include <linux/delay.h> |
| 26 | #include <linux/slab.h> |
| 27 | #include <linux/ioport.h> |
| 28 | #include <sound/core.h> |
| 29 | #include <sound/es1688.h> |
| 30 | #include <sound/initval.h> |
| 31 | |
| 32 | #include <asm/io.h> |
| 33 | #include <asm/dma.h> |
| 34 | |
| 35 | MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); |
| 36 | MODULE_DESCRIPTION("ESS ESx688 lowlevel module"); |
| 37 | MODULE_LICENSE("GPL"); |
| 38 | |
| 39 | static int snd_es1688_dsp_command(es1688_t *chip, unsigned char val) |
| 40 | { |
| 41 | int i; |
| 42 | |
| 43 | for (i = 10000; i; i--) |
| 44 | if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) { |
| 45 | outb(val, ES1688P(chip, COMMAND)); |
| 46 | return 1; |
| 47 | } |
| 48 | #ifdef CONFIG_SND_DEBUG |
| 49 | printk("snd_es1688_dsp_command: timeout (0x%x)\n", val); |
| 50 | #endif |
| 51 | return 0; |
| 52 | } |
| 53 | |
| 54 | static int snd_es1688_dsp_get_byte(es1688_t *chip) |
| 55 | { |
| 56 | int i; |
| 57 | |
| 58 | for (i = 1000; i; i--) |
| 59 | if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) |
| 60 | return inb(ES1688P(chip, READ)); |
| 61 | snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL))); |
| 62 | return -ENODEV; |
| 63 | } |
| 64 | |
| 65 | static int snd_es1688_write(es1688_t *chip, |
| 66 | unsigned char reg, unsigned char data) |
| 67 | { |
| 68 | if (!snd_es1688_dsp_command(chip, reg)) |
| 69 | return 0; |
| 70 | return snd_es1688_dsp_command(chip, data); |
| 71 | } |
| 72 | |
| 73 | static int snd_es1688_read(es1688_t *chip, unsigned char reg) |
| 74 | { |
| 75 | /* Read a byte from an extended mode register of ES1688 */ |
| 76 | if (!snd_es1688_dsp_command(chip, 0xc0)) |
| 77 | return -1; |
| 78 | if (!snd_es1688_dsp_command(chip, reg)) |
| 79 | return -1; |
| 80 | return snd_es1688_dsp_get_byte(chip); |
| 81 | } |
| 82 | |
| 83 | void snd_es1688_mixer_write(es1688_t *chip, |
| 84 | unsigned char reg, unsigned char data) |
| 85 | { |
| 86 | outb(reg, ES1688P(chip, MIXER_ADDR)); |
| 87 | udelay(10); |
| 88 | outb(data, ES1688P(chip, MIXER_DATA)); |
| 89 | udelay(10); |
| 90 | } |
| 91 | |
| 92 | static unsigned char snd_es1688_mixer_read(es1688_t *chip, unsigned char reg) |
| 93 | { |
| 94 | unsigned char result; |
| 95 | |
| 96 | outb(reg, ES1688P(chip, MIXER_ADDR)); |
| 97 | udelay(10); |
| 98 | result = inb(ES1688P(chip, MIXER_DATA)); |
| 99 | udelay(10); |
| 100 | return result; |
| 101 | } |
| 102 | |
| 103 | static int snd_es1688_reset(es1688_t *chip) |
| 104 | { |
| 105 | int i; |
| 106 | |
| 107 | outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */ |
| 108 | udelay(10); |
| 109 | outb(0, ES1688P(chip, RESET)); |
| 110 | udelay(30); |
| 111 | for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++); |
| 112 | if (inb(ES1688P(chip, READ)) != 0xaa) { |
| 113 | snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port); |
| 114 | return -ENODEV; |
| 115 | } |
| 116 | snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */ |
| 117 | return 0; |
| 118 | } |
| 119 | |
| 120 | static int snd_es1688_probe(es1688_t *chip) |
| 121 | { |
| 122 | unsigned long flags; |
| 123 | unsigned short major, minor, hw; |
| 124 | int i; |
| 125 | |
| 126 | /* |
| 127 | * initialization sequence |
| 128 | */ |
| 129 | |
| 130 | spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */ |
| 131 | inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ |
| 132 | inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ |
| 133 | inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ |
| 134 | inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ |
| 135 | inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ |
| 136 | inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ |
| 137 | inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ |
| 138 | inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ |
| 139 | inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ |
| 140 | inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ |
| 141 | inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */ |
| 142 | |
| 143 | if (snd_es1688_reset(chip) < 0) { |
| 144 | snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ))); |
| 145 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 146 | return -ENODEV; |
| 147 | } |
| 148 | snd_es1688_dsp_command(chip, 0xe7); /* return identification */ |
| 149 | |
| 150 | for (i = 1000, major = minor = 0; i; i--) { |
| 151 | if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) { |
| 152 | if (major == 0) { |
| 153 | major = inb(ES1688P(chip, READ)); |
| 154 | } else { |
| 155 | minor = inb(ES1688P(chip, READ)); |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 161 | |
| 162 | snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor); |
| 163 | |
| 164 | chip->version = (major << 8) | minor; |
| 165 | if (!chip->version) |
| 166 | return -ENODEV; /* probably SB */ |
| 167 | |
| 168 | hw = ES1688_HW_AUTO; |
| 169 | switch (chip->version & 0xfff0) { |
| 170 | case 0x4880: |
| 171 | snd_printk("[0x%lx] ESS: AudioDrive ES488 detected, but driver is in another place\n", chip->port); |
| 172 | return -ENODEV; |
| 173 | case 0x6880: |
| 174 | hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688; |
| 175 | break; |
| 176 | default: |
| 177 | snd_printk("[0x%lx] ESS: unknown AudioDrive chip with version 0x%x (Jazz16 soundcard?)\n", chip->port, chip->version); |
| 178 | return -ENODEV; |
| 179 | } |
| 180 | |
| 181 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 182 | snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ |
| 183 | snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ |
| 184 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 185 | |
| 186 | /* enable joystick, but disable OPL3 */ |
| 187 | spin_lock_irqsave(&chip->mixer_lock, flags); |
| 188 | snd_es1688_mixer_write(chip, 0x40, 0x01); |
| 189 | spin_unlock_irqrestore(&chip->mixer_lock, flags); |
| 190 | |
| 191 | return 0; |
| 192 | } |
| 193 | |
| 194 | static int snd_es1688_init(es1688_t * chip, int enable) |
| 195 | { |
| 196 | static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1}; |
| 197 | unsigned long flags; |
| 198 | int cfg, irq_bits, dma, dma_bits, tmp, tmp1; |
| 199 | |
| 200 | /* ok.. setup MPU-401 port and joystick and OPL3 */ |
| 201 | cfg = 0x01; /* enable joystick, but disable OPL3 */ |
| 202 | if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { |
| 203 | tmp = (chip->mpu_port & 0x0f0) >> 4; |
| 204 | if (tmp <= 3) { |
| 205 | switch (chip->mpu_irq) { |
| 206 | case 9: |
| 207 | tmp1 = 4; |
| 208 | break; |
| 209 | case 5: |
| 210 | tmp1 = 5; |
| 211 | break; |
| 212 | case 7: |
| 213 | tmp1 = 6; |
| 214 | break; |
| 215 | case 10: |
| 216 | tmp1 = 7; |
| 217 | break; |
| 218 | default: |
| 219 | tmp1 = 0; |
| 220 | } |
| 221 | if (tmp1) { |
| 222 | cfg |= (tmp << 3) | (tmp1 << 5); |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 | #if 0 |
| 227 | snd_printk("mpu cfg = 0x%x\n", cfg); |
| 228 | #endif |
| 229 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 230 | snd_es1688_mixer_write(chip, 0x40, cfg); |
| 231 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 232 | /* --- */ |
| 233 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 234 | snd_es1688_read(chip, 0xb1); |
| 235 | snd_es1688_read(chip, 0xb2); |
| 236 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 237 | if (enable) { |
| 238 | cfg = 0xf0; /* enable only DMA counter interrupt */ |
| 239 | irq_bits = irqs[chip->irq & 0x0f]; |
| 240 | if (irq_bits < 0) { |
| 241 | snd_printk("[0x%lx] ESS: bad IRQ %d for ES1688 chip!!\n", chip->port, chip->irq); |
| 242 | #if 0 |
| 243 | irq_bits = 0; |
| 244 | cfg = 0x10; |
| 245 | #endif |
| 246 | return -EINVAL; |
| 247 | } |
| 248 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 249 | snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); |
| 250 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 251 | cfg = 0xf0; /* extended mode DMA enable */ |
| 252 | dma = chip->dma8; |
| 253 | if (dma > 3 || dma == 2) { |
| 254 | snd_printk("[0x%lx] ESS: bad DMA channel %d for ES1688 chip!!\n", chip->port, dma); |
| 255 | #if 0 |
| 256 | dma_bits = 0; |
| 257 | cfg = 0x00; /* disable all DMA */ |
| 258 | #endif |
| 259 | return -EINVAL; |
| 260 | } else { |
| 261 | dma_bits = dma; |
| 262 | if (dma != 3) |
| 263 | dma_bits++; |
| 264 | } |
| 265 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 266 | snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); |
| 267 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 268 | } else { |
| 269 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 270 | snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ |
| 271 | snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ |
| 272 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 273 | } |
| 274 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 275 | snd_es1688_read(chip, 0xb1); |
| 276 | snd_es1688_read(chip, 0xb2); |
| 277 | snd_es1688_reset(chip); |
| 278 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | /* |
| 283 | |
| 284 | */ |
| 285 | |
| 286 | static ratnum_t clocks[2] = { |
| 287 | { |
| 288 | .num = 795444, |
| 289 | .den_min = 1, |
| 290 | .den_max = 128, |
| 291 | .den_step = 1, |
| 292 | }, |
| 293 | { |
| 294 | .num = 397722, |
| 295 | .den_min = 1, |
| 296 | .den_max = 128, |
| 297 | .den_step = 1, |
| 298 | } |
| 299 | }; |
| 300 | |
| 301 | static snd_pcm_hw_constraint_ratnums_t hw_constraints_clocks = { |
| 302 | .nrats = 2, |
| 303 | .rats = clocks, |
| 304 | }; |
| 305 | |
| 306 | static void snd_es1688_set_rate(es1688_t *chip, snd_pcm_substream_t *substream) |
| 307 | { |
| 308 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 309 | unsigned int bits, divider; |
| 310 | |
| 311 | if (runtime->rate_num == clocks[0].num) |
| 312 | bits = 256 - runtime->rate_den; |
| 313 | else |
| 314 | bits = 128 - runtime->rate_den; |
| 315 | /* set filter register */ |
| 316 | divider = 256 - 7160000*20/(8*82*runtime->rate); |
| 317 | /* write result to hardware */ |
| 318 | snd_es1688_write(chip, 0xa1, bits); |
| 319 | snd_es1688_write(chip, 0xa2, divider); |
| 320 | } |
| 321 | |
| 322 | static int snd_es1688_ioctl(snd_pcm_substream_t * substream, |
| 323 | unsigned int cmd, void *arg) |
| 324 | { |
| 325 | return snd_pcm_lib_ioctl(substream, cmd, arg); |
| 326 | } |
| 327 | |
| 328 | static int snd_es1688_trigger(es1688_t *chip, int cmd, unsigned char value) |
| 329 | { |
| 330 | int val; |
| 331 | |
| 332 | if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 333 | value = 0x00; |
| 334 | } else if (cmd != SNDRV_PCM_TRIGGER_START) { |
| 335 | return -EINVAL; |
| 336 | } |
| 337 | spin_lock(&chip->reg_lock); |
| 338 | chip->trigger_value = value; |
| 339 | val = snd_es1688_read(chip, 0xb8); |
| 340 | if ((val < 0) || (val & 0x0f) == value) { |
| 341 | spin_unlock(&chip->reg_lock); |
| 342 | return -EINVAL; /* something is wrong */ |
| 343 | } |
| 344 | #if 0 |
| 345 | printk("trigger: val = 0x%x, value = 0x%x\n", val, value); |
| 346 | printk("trigger: pointer = 0x%x\n", snd_dma_pointer(chip->dma8, chip->dma_size)); |
| 347 | #endif |
| 348 | snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); |
| 349 | spin_unlock(&chip->reg_lock); |
| 350 | return 0; |
| 351 | } |
| 352 | |
| 353 | static int snd_es1688_hw_params(snd_pcm_substream_t * substream, |
| 354 | snd_pcm_hw_params_t * hw_params) |
| 355 | { |
| 356 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| 357 | } |
| 358 | |
| 359 | static int snd_es1688_hw_free(snd_pcm_substream_t * substream) |
| 360 | { |
| 361 | return snd_pcm_lib_free_pages(substream); |
| 362 | } |
| 363 | |
| 364 | static int snd_es1688_playback_prepare(snd_pcm_substream_t * substream) |
| 365 | { |
| 366 | unsigned long flags; |
| 367 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 368 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 369 | unsigned int size = snd_pcm_lib_buffer_bytes(substream); |
| 370 | unsigned int count = snd_pcm_lib_period_bytes(substream); |
| 371 | |
| 372 | chip->dma_size = size; |
| 373 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 374 | snd_es1688_reset(chip); |
| 375 | snd_es1688_set_rate(chip, substream); |
| 376 | snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ |
| 377 | snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); |
| 378 | snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ |
| 379 | if (runtime->channels == 1) { |
| 380 | if (snd_pcm_format_width(runtime->format) == 8) { |
| 381 | /* 8. bit mono */ |
| 382 | snd_es1688_write(chip, 0xb6, 0x80); |
| 383 | snd_es1688_write(chip, 0xb7, 0x51); |
| 384 | snd_es1688_write(chip, 0xb7, 0xd0); |
| 385 | } else { |
| 386 | /* 16. bit mono */ |
| 387 | snd_es1688_write(chip, 0xb6, 0x00); |
| 388 | snd_es1688_write(chip, 0xb7, 0x71); |
| 389 | snd_es1688_write(chip, 0xb7, 0xf4); |
| 390 | } |
| 391 | } else { |
| 392 | if (snd_pcm_format_width(runtime->format) == 8) { |
| 393 | /* 8. bit stereo */ |
| 394 | snd_es1688_write(chip, 0xb6, 0x80); |
| 395 | snd_es1688_write(chip, 0xb7, 0x51); |
| 396 | snd_es1688_write(chip, 0xb7, 0x98); |
| 397 | } else { |
| 398 | /* 16. bit stereo */ |
| 399 | snd_es1688_write(chip, 0xb6, 0x00); |
| 400 | snd_es1688_write(chip, 0xb7, 0x71); |
| 401 | snd_es1688_write(chip, 0xb7, 0xbc); |
| 402 | } |
| 403 | } |
| 404 | snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); |
| 405 | snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); |
| 406 | snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); |
| 407 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 408 | /* --- */ |
| 409 | count = -count; |
| 410 | snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); |
| 411 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 412 | snd_es1688_write(chip, 0xa4, (unsigned char) count); |
| 413 | snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); |
| 414 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 415 | return 0; |
| 416 | } |
| 417 | |
| 418 | static int snd_es1688_playback_trigger(snd_pcm_substream_t * substream, |
| 419 | int cmd) |
| 420 | { |
| 421 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 422 | return snd_es1688_trigger(chip, cmd, 0x05); |
| 423 | } |
| 424 | |
| 425 | static int snd_es1688_capture_prepare(snd_pcm_substream_t * substream) |
| 426 | { |
| 427 | unsigned long flags; |
| 428 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 429 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 430 | unsigned int size = snd_pcm_lib_buffer_bytes(substream); |
| 431 | unsigned int count = snd_pcm_lib_period_bytes(substream); |
| 432 | |
| 433 | chip->dma_size = size; |
| 434 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 435 | snd_es1688_reset(chip); |
| 436 | snd_es1688_set_rate(chip, substream); |
| 437 | snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); |
| 438 | snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ |
| 439 | snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); |
| 440 | snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ |
| 441 | if (runtime->channels == 1) { |
| 442 | if (snd_pcm_format_width(runtime->format) == 8) { |
| 443 | /* 8. bit mono */ |
| 444 | snd_es1688_write(chip, 0xb7, 0x51); |
| 445 | snd_es1688_write(chip, 0xb7, 0xd0); |
| 446 | } else { |
| 447 | /* 16. bit mono */ |
| 448 | snd_es1688_write(chip, 0xb7, 0x71); |
| 449 | snd_es1688_write(chip, 0xb7, 0xf4); |
| 450 | } |
| 451 | } else { |
| 452 | if (snd_pcm_format_width(runtime->format) == 8) { |
| 453 | /* 8. bit stereo */ |
| 454 | snd_es1688_write(chip, 0xb7, 0x51); |
| 455 | snd_es1688_write(chip, 0xb7, 0x98); |
| 456 | } else { |
| 457 | /* 16. bit stereo */ |
| 458 | snd_es1688_write(chip, 0xb7, 0x71); |
| 459 | snd_es1688_write(chip, 0xb7, 0xbc); |
| 460 | } |
| 461 | } |
| 462 | snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); |
| 463 | snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); |
| 464 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 465 | /* --- */ |
| 466 | count = -count; |
| 467 | snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); |
| 468 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 469 | snd_es1688_write(chip, 0xa4, (unsigned char) count); |
| 470 | snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); |
| 471 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 472 | return 0; |
| 473 | } |
| 474 | |
| 475 | static int snd_es1688_capture_trigger(snd_pcm_substream_t * substream, |
| 476 | int cmd) |
| 477 | { |
| 478 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 479 | return snd_es1688_trigger(chip, cmd, 0x0f); |
| 480 | } |
| 481 | |
| 482 | static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id, struct pt_regs *regs) |
| 483 | { |
| 484 | es1688_t *chip = dev_id; |
| 485 | |
| 486 | if (chip->trigger_value == 0x05) /* ok.. playback is active */ |
| 487 | snd_pcm_period_elapsed(chip->playback_substream); |
| 488 | if (chip->trigger_value == 0x0f) /* ok.. capture is active */ |
| 489 | snd_pcm_period_elapsed(chip->capture_substream); |
| 490 | |
| 491 | inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ |
| 492 | return IRQ_HANDLED; |
| 493 | } |
| 494 | |
| 495 | static snd_pcm_uframes_t snd_es1688_playback_pointer(snd_pcm_substream_t * substream) |
| 496 | { |
| 497 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 498 | size_t ptr; |
| 499 | |
| 500 | if (chip->trigger_value != 0x05) |
| 501 | return 0; |
| 502 | ptr = snd_dma_pointer(chip->dma8, chip->dma_size); |
| 503 | return bytes_to_frames(substream->runtime, ptr); |
| 504 | } |
| 505 | |
| 506 | static snd_pcm_uframes_t snd_es1688_capture_pointer(snd_pcm_substream_t * substream) |
| 507 | { |
| 508 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 509 | size_t ptr; |
| 510 | |
| 511 | if (chip->trigger_value != 0x0f) |
| 512 | return 0; |
| 513 | ptr = snd_dma_pointer(chip->dma8, chip->dma_size); |
| 514 | return bytes_to_frames(substream->runtime, ptr); |
| 515 | } |
| 516 | |
| 517 | /* |
| 518 | |
| 519 | */ |
| 520 | |
| 521 | static snd_pcm_hardware_t snd_es1688_playback = |
| 522 | { |
| 523 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 524 | SNDRV_PCM_INFO_MMAP_VALID), |
| 525 | .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, |
| 526 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
| 527 | .rate_min = 4000, |
| 528 | .rate_max = 48000, |
| 529 | .channels_min = 1, |
| 530 | .channels_max = 2, |
| 531 | .buffer_bytes_max = 65536, |
| 532 | .period_bytes_min = 64, |
| 533 | .period_bytes_max = 65536, |
| 534 | .periods_min = 1, |
| 535 | .periods_max = 1024, |
| 536 | .fifo_size = 0, |
| 537 | }; |
| 538 | |
| 539 | static snd_pcm_hardware_t snd_es1688_capture = |
| 540 | { |
| 541 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 542 | SNDRV_PCM_INFO_MMAP_VALID), |
| 543 | .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, |
| 544 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
| 545 | .rate_min = 4000, |
| 546 | .rate_max = 48000, |
| 547 | .channels_min = 1, |
| 548 | .channels_max = 2, |
| 549 | .buffer_bytes_max = 65536, |
| 550 | .period_bytes_min = 64, |
| 551 | .period_bytes_max = 65536, |
| 552 | .periods_min = 1, |
| 553 | .periods_max = 1024, |
| 554 | .fifo_size = 0, |
| 555 | }; |
| 556 | |
| 557 | /* |
| 558 | |
| 559 | */ |
| 560 | |
| 561 | static int snd_es1688_playback_open(snd_pcm_substream_t * substream) |
| 562 | { |
| 563 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 564 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 565 | |
| 566 | if (chip->capture_substream != NULL) |
| 567 | return -EAGAIN; |
| 568 | chip->playback_substream = substream; |
| 569 | runtime->hw = snd_es1688_playback; |
| 570 | snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
| 571 | &hw_constraints_clocks); |
| 572 | return 0; |
| 573 | } |
| 574 | |
| 575 | static int snd_es1688_capture_open(snd_pcm_substream_t * substream) |
| 576 | { |
| 577 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 578 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 579 | |
| 580 | if (chip->playback_substream != NULL) |
| 581 | return -EAGAIN; |
| 582 | chip->capture_substream = substream; |
| 583 | runtime->hw = snd_es1688_capture; |
| 584 | snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
| 585 | &hw_constraints_clocks); |
| 586 | return 0; |
| 587 | } |
| 588 | |
| 589 | static int snd_es1688_playback_close(snd_pcm_substream_t * substream) |
| 590 | { |
| 591 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 592 | |
| 593 | chip->playback_substream = NULL; |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | static int snd_es1688_capture_close(snd_pcm_substream_t * substream) |
| 598 | { |
| 599 | es1688_t *chip = snd_pcm_substream_chip(substream); |
| 600 | |
| 601 | chip->capture_substream = NULL; |
| 602 | return 0; |
| 603 | } |
| 604 | |
| 605 | static int snd_es1688_free(es1688_t *chip) |
| 606 | { |
| 607 | if (chip->res_port) { |
| 608 | snd_es1688_init(chip, 0); |
| 609 | release_resource(chip->res_port); |
| 610 | kfree_nocheck(chip->res_port); |
| 611 | } |
| 612 | if (chip->irq >= 0) |
| 613 | free_irq(chip->irq, (void *) chip); |
| 614 | if (chip->dma8 >= 0) { |
| 615 | disable_dma(chip->dma8); |
| 616 | free_dma(chip->dma8); |
| 617 | } |
| 618 | kfree(chip); |
| 619 | return 0; |
| 620 | } |
| 621 | |
| 622 | static int snd_es1688_dev_free(snd_device_t *device) |
| 623 | { |
| 624 | es1688_t *chip = device->device_data; |
| 625 | return snd_es1688_free(chip); |
| 626 | } |
| 627 | |
| 628 | static const char *snd_es1688_chip_id(es1688_t *chip) |
| 629 | { |
| 630 | static char tmp[16]; |
| 631 | sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); |
| 632 | return tmp; |
| 633 | } |
| 634 | |
| 635 | int snd_es1688_create(snd_card_t * card, |
| 636 | unsigned long port, |
| 637 | unsigned long mpu_port, |
| 638 | int irq, |
| 639 | int mpu_irq, |
| 640 | int dma8, |
| 641 | unsigned short hardware, |
| 642 | es1688_t **rchip) |
| 643 | { |
| 644 | static snd_device_ops_t ops = { |
| 645 | .dev_free = snd_es1688_dev_free, |
| 646 | }; |
| 647 | |
| 648 | es1688_t *chip; |
| 649 | int err; |
| 650 | |
| 651 | *rchip = NULL; |
Takashi Iwai | 9e76a76 | 2005-09-09 14:21:17 +0200 | [diff] [blame^] | 652 | chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | if (chip == NULL) |
| 654 | return -ENOMEM; |
| 655 | chip->irq = -1; |
| 656 | chip->dma8 = -1; |
| 657 | |
| 658 | if ((chip->res_port = request_region(port + 4, 12, "ES1688")) == NULL) { |
| 659 | snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); |
| 660 | snd_es1688_free(chip); |
| 661 | return -EBUSY; |
| 662 | } |
| 663 | if (request_irq(irq, snd_es1688_interrupt, SA_INTERRUPT, "ES1688", (void *) chip)) { |
| 664 | snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); |
| 665 | snd_es1688_free(chip); |
| 666 | return -EBUSY; |
| 667 | } |
| 668 | chip->irq = irq; |
| 669 | if (request_dma(dma8, "ES1688")) { |
| 670 | snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); |
| 671 | snd_es1688_free(chip); |
| 672 | return -EBUSY; |
| 673 | } |
| 674 | chip->dma8 = dma8; |
| 675 | |
| 676 | spin_lock_init(&chip->reg_lock); |
| 677 | spin_lock_init(&chip->mixer_lock); |
| 678 | chip->card = card; |
| 679 | chip->port = port; |
| 680 | mpu_port &= ~0x000f; |
| 681 | if (mpu_port < 0x300 || mpu_port > 0x330) |
| 682 | mpu_port = 0; |
| 683 | chip->mpu_port = mpu_port; |
| 684 | chip->mpu_irq = mpu_irq; |
| 685 | chip->hardware = hardware; |
| 686 | |
| 687 | if ((err = snd_es1688_probe(chip)) < 0) { |
| 688 | snd_es1688_free(chip); |
| 689 | return err; |
| 690 | } |
| 691 | if ((err = snd_es1688_init(chip, 1)) < 0) { |
| 692 | snd_es1688_free(chip); |
| 693 | return err; |
| 694 | } |
| 695 | |
| 696 | /* Register device */ |
| 697 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| 698 | snd_es1688_free(chip); |
| 699 | return err; |
| 700 | } |
| 701 | |
| 702 | *rchip = chip; |
| 703 | return 0; |
| 704 | } |
| 705 | |
| 706 | static snd_pcm_ops_t snd_es1688_playback_ops = { |
| 707 | .open = snd_es1688_playback_open, |
| 708 | .close = snd_es1688_playback_close, |
| 709 | .ioctl = snd_es1688_ioctl, |
| 710 | .hw_params = snd_es1688_hw_params, |
| 711 | .hw_free = snd_es1688_hw_free, |
| 712 | .prepare = snd_es1688_playback_prepare, |
| 713 | .trigger = snd_es1688_playback_trigger, |
| 714 | .pointer = snd_es1688_playback_pointer, |
| 715 | }; |
| 716 | |
| 717 | static snd_pcm_ops_t snd_es1688_capture_ops = { |
| 718 | .open = snd_es1688_capture_open, |
| 719 | .close = snd_es1688_capture_close, |
| 720 | .ioctl = snd_es1688_ioctl, |
| 721 | .hw_params = snd_es1688_hw_params, |
| 722 | .hw_free = snd_es1688_hw_free, |
| 723 | .prepare = snd_es1688_capture_prepare, |
| 724 | .trigger = snd_es1688_capture_trigger, |
| 725 | .pointer = snd_es1688_capture_pointer, |
| 726 | }; |
| 727 | |
| 728 | static void snd_es1688_pcm_free(snd_pcm_t *pcm) |
| 729 | { |
| 730 | es1688_t *chip = pcm->private_data; |
| 731 | chip->pcm = NULL; |
| 732 | snd_pcm_lib_preallocate_free_for_all(pcm); |
| 733 | } |
| 734 | |
| 735 | int snd_es1688_pcm(es1688_t * chip, int device, snd_pcm_t ** rpcm) |
| 736 | { |
| 737 | snd_pcm_t *pcm; |
| 738 | int err; |
| 739 | |
| 740 | if ((err = snd_pcm_new(chip->card, "ESx688", device, 1, 1, &pcm)) < 0) |
| 741 | return err; |
| 742 | |
| 743 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); |
| 744 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); |
| 745 | |
| 746 | pcm->private_data = chip; |
| 747 | pcm->private_free = snd_es1688_pcm_free; |
| 748 | pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; |
| 749 | sprintf(pcm->name, snd_es1688_chip_id(chip)); |
| 750 | chip->pcm = pcm; |
| 751 | |
| 752 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| 753 | snd_dma_isa_data(), |
| 754 | 64*1024, 64*1024); |
| 755 | |
| 756 | if (rpcm) |
| 757 | *rpcm = pcm; |
| 758 | return 0; |
| 759 | } |
| 760 | |
| 761 | /* |
| 762 | * MIXER part |
| 763 | */ |
| 764 | |
| 765 | static int snd_es1688_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| 766 | { |
| 767 | static char *texts[9] = { |
| 768 | "Mic", "Mic Master", "CD", "AOUT", |
| 769 | "Mic1", "Mix", "Line", "Master" |
| 770 | }; |
| 771 | |
| 772 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 773 | uinfo->count = 1; |
| 774 | uinfo->value.enumerated.items = 8; |
| 775 | if (uinfo->value.enumerated.item > 7) |
| 776 | uinfo->value.enumerated.item = 7; |
| 777 | strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); |
| 778 | return 0; |
| 779 | } |
| 780 | |
| 781 | static int snd_es1688_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 782 | { |
| 783 | es1688_t *chip = snd_kcontrol_chip(kcontrol); |
| 784 | ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; |
| 785 | return 0; |
| 786 | } |
| 787 | |
| 788 | static int snd_es1688_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 789 | { |
| 790 | es1688_t *chip = snd_kcontrol_chip(kcontrol); |
| 791 | unsigned long flags; |
| 792 | unsigned char oval, nval; |
| 793 | int change; |
| 794 | |
| 795 | if (ucontrol->value.enumerated.item[0] > 8) |
| 796 | return -EINVAL; |
| 797 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 798 | oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); |
| 799 | nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); |
| 800 | change = nval != oval; |
| 801 | if (change) |
| 802 | snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); |
| 803 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 804 | return change; |
| 805 | } |
| 806 | |
| 807 | #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ |
| 808 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| 809 | .info = snd_es1688_info_single, \ |
| 810 | .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ |
| 811 | .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } |
| 812 | |
| 813 | static int snd_es1688_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| 814 | { |
| 815 | int mask = (kcontrol->private_value >> 16) & 0xff; |
| 816 | |
| 817 | uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 818 | uinfo->count = 1; |
| 819 | uinfo->value.integer.min = 0; |
| 820 | uinfo->value.integer.max = mask; |
| 821 | return 0; |
| 822 | } |
| 823 | |
| 824 | static int snd_es1688_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 825 | { |
| 826 | es1688_t *chip = snd_kcontrol_chip(kcontrol); |
| 827 | unsigned long flags; |
| 828 | int reg = kcontrol->private_value & 0xff; |
| 829 | int shift = (kcontrol->private_value >> 8) & 0xff; |
| 830 | int mask = (kcontrol->private_value >> 16) & 0xff; |
| 831 | int invert = (kcontrol->private_value >> 24) & 0xff; |
| 832 | |
| 833 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 834 | ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; |
| 835 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 836 | if (invert) |
| 837 | ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; |
| 838 | return 0; |
| 839 | } |
| 840 | |
| 841 | static int snd_es1688_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 842 | { |
| 843 | es1688_t *chip = snd_kcontrol_chip(kcontrol); |
| 844 | unsigned long flags; |
| 845 | int reg = kcontrol->private_value & 0xff; |
| 846 | int shift = (kcontrol->private_value >> 8) & 0xff; |
| 847 | int mask = (kcontrol->private_value >> 16) & 0xff; |
| 848 | int invert = (kcontrol->private_value >> 24) & 0xff; |
| 849 | int change; |
| 850 | unsigned char oval, nval; |
| 851 | |
| 852 | nval = (ucontrol->value.integer.value[0] & mask); |
| 853 | if (invert) |
| 854 | nval = mask - nval; |
| 855 | nval <<= shift; |
| 856 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 857 | oval = snd_es1688_mixer_read(chip, reg); |
| 858 | nval = (oval & ~(mask << shift)) | nval; |
| 859 | change = nval != oval; |
| 860 | if (change) |
| 861 | snd_es1688_mixer_write(chip, reg, nval); |
| 862 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 863 | return change; |
| 864 | } |
| 865 | |
| 866 | #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ |
| 867 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| 868 | .info = snd_es1688_info_double, \ |
| 869 | .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ |
| 870 | .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } |
| 871 | |
| 872 | static int snd_es1688_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) |
| 873 | { |
| 874 | int mask = (kcontrol->private_value >> 24) & 0xff; |
| 875 | |
| 876 | uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 877 | uinfo->count = 2; |
| 878 | uinfo->value.integer.min = 0; |
| 879 | uinfo->value.integer.max = mask; |
| 880 | return 0; |
| 881 | } |
| 882 | |
| 883 | static int snd_es1688_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 884 | { |
| 885 | es1688_t *chip = snd_kcontrol_chip(kcontrol); |
| 886 | unsigned long flags; |
| 887 | int left_reg = kcontrol->private_value & 0xff; |
| 888 | int right_reg = (kcontrol->private_value >> 8) & 0xff; |
| 889 | int shift_left = (kcontrol->private_value >> 16) & 0x07; |
| 890 | int shift_right = (kcontrol->private_value >> 19) & 0x07; |
| 891 | int mask = (kcontrol->private_value >> 24) & 0xff; |
| 892 | int invert = (kcontrol->private_value >> 22) & 1; |
| 893 | unsigned char left, right; |
| 894 | |
| 895 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 896 | if (left_reg < 0xa0) |
| 897 | left = snd_es1688_mixer_read(chip, left_reg); |
| 898 | else |
| 899 | left = snd_es1688_read(chip, left_reg); |
| 900 | if (left_reg != right_reg) { |
| 901 | if (right_reg < 0xa0) |
| 902 | right = snd_es1688_mixer_read(chip, right_reg); |
| 903 | else |
| 904 | right = snd_es1688_read(chip, right_reg); |
| 905 | } else |
| 906 | right = left; |
| 907 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 908 | ucontrol->value.integer.value[0] = (left >> shift_left) & mask; |
| 909 | ucontrol->value.integer.value[1] = (right >> shift_right) & mask; |
| 910 | if (invert) { |
| 911 | ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; |
| 912 | ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; |
| 913 | } |
| 914 | return 0; |
| 915 | } |
| 916 | |
| 917 | static int snd_es1688_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 918 | { |
| 919 | es1688_t *chip = snd_kcontrol_chip(kcontrol); |
| 920 | unsigned long flags; |
| 921 | int left_reg = kcontrol->private_value & 0xff; |
| 922 | int right_reg = (kcontrol->private_value >> 8) & 0xff; |
| 923 | int shift_left = (kcontrol->private_value >> 16) & 0x07; |
| 924 | int shift_right = (kcontrol->private_value >> 19) & 0x07; |
| 925 | int mask = (kcontrol->private_value >> 24) & 0xff; |
| 926 | int invert = (kcontrol->private_value >> 22) & 1; |
| 927 | int change; |
| 928 | unsigned char val1, val2, oval1, oval2; |
| 929 | |
| 930 | val1 = ucontrol->value.integer.value[0] & mask; |
| 931 | val2 = ucontrol->value.integer.value[1] & mask; |
| 932 | if (invert) { |
| 933 | val1 = mask - val1; |
| 934 | val2 = mask - val2; |
| 935 | } |
| 936 | val1 <<= shift_left; |
| 937 | val2 <<= shift_right; |
| 938 | spin_lock_irqsave(&chip->reg_lock, flags); |
| 939 | if (left_reg != right_reg) { |
| 940 | if (left_reg < 0xa0) |
| 941 | oval1 = snd_es1688_mixer_read(chip, left_reg); |
| 942 | else |
| 943 | oval1 = snd_es1688_read(chip, left_reg); |
| 944 | if (right_reg < 0xa0) |
| 945 | oval2 = snd_es1688_mixer_read(chip, right_reg); |
| 946 | else |
| 947 | oval2 = snd_es1688_read(chip, right_reg); |
| 948 | val1 = (oval1 & ~(mask << shift_left)) | val1; |
| 949 | val2 = (oval2 & ~(mask << shift_right)) | val2; |
| 950 | change = val1 != oval1 || val2 != oval2; |
| 951 | if (change) { |
| 952 | if (left_reg < 0xa0) |
| 953 | snd_es1688_mixer_write(chip, left_reg, val1); |
| 954 | else |
| 955 | snd_es1688_write(chip, left_reg, val1); |
| 956 | if (right_reg < 0xa0) |
| 957 | snd_es1688_mixer_write(chip, right_reg, val1); |
| 958 | else |
| 959 | snd_es1688_write(chip, right_reg, val1); |
| 960 | } |
| 961 | } else { |
| 962 | if (left_reg < 0xa0) |
| 963 | oval1 = snd_es1688_mixer_read(chip, left_reg); |
| 964 | else |
| 965 | oval1 = snd_es1688_read(chip, left_reg); |
| 966 | val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; |
| 967 | change = val1 != oval1; |
| 968 | if (change) { |
| 969 | if (left_reg < 0xa0) |
| 970 | snd_es1688_mixer_write(chip, left_reg, val1); |
| 971 | else |
| 972 | snd_es1688_write(chip, left_reg, val1); |
| 973 | } |
| 974 | |
| 975 | } |
| 976 | spin_unlock_irqrestore(&chip->reg_lock, flags); |
| 977 | return change; |
| 978 | } |
| 979 | |
| 980 | static snd_kcontrol_new_t snd_es1688_controls[] = { |
| 981 | ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), |
| 982 | ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), |
| 983 | ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), |
| 984 | ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), |
| 985 | ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), |
| 986 | ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), |
| 987 | ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), |
| 988 | ES1688_SINGLE("PC Speaker Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), |
| 989 | ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), |
| 990 | ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), |
| 991 | { |
| 992 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 993 | .name = "Capture Source", |
| 994 | .info = snd_es1688_info_mux, |
| 995 | .get = snd_es1688_get_mux, |
| 996 | .put = snd_es1688_put_mux, |
| 997 | }, |
| 998 | }; |
| 999 | |
| 1000 | #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) |
| 1001 | |
| 1002 | static unsigned char snd_es1688_init_table[][2] = { |
| 1003 | { ES1688_MASTER_DEV, 0 }, |
| 1004 | { ES1688_PCM_DEV, 0 }, |
| 1005 | { ES1688_LINE_DEV, 0 }, |
| 1006 | { ES1688_CD_DEV, 0 }, |
| 1007 | { ES1688_FM_DEV, 0 }, |
| 1008 | { ES1688_MIC_DEV, 0 }, |
| 1009 | { ES1688_AUX_DEV, 0 }, |
| 1010 | { ES1688_SPEAKER_DEV, 0 }, |
| 1011 | { ES1688_RECLEV_DEV, 0 }, |
| 1012 | { ES1688_REC_DEV, 0x17 } |
| 1013 | }; |
| 1014 | |
| 1015 | int snd_es1688_mixer(es1688_t *chip) |
| 1016 | { |
| 1017 | snd_card_t *card; |
| 1018 | unsigned int idx; |
| 1019 | int err; |
| 1020 | unsigned char reg, val; |
| 1021 | |
| 1022 | snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); |
| 1023 | |
| 1024 | card = chip->card; |
| 1025 | |
| 1026 | strcpy(card->mixername, snd_es1688_chip_id(chip)); |
| 1027 | |
| 1028 | for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { |
| 1029 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) |
| 1030 | return err; |
| 1031 | } |
| 1032 | for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { |
| 1033 | reg = snd_es1688_init_table[idx][0]; |
| 1034 | val = snd_es1688_init_table[idx][1]; |
| 1035 | if (reg < 0xa0) |
| 1036 | snd_es1688_mixer_write(chip, reg, val); |
| 1037 | else |
| 1038 | snd_es1688_write(chip, reg, val); |
| 1039 | } |
| 1040 | return 0; |
| 1041 | } |
| 1042 | |
| 1043 | EXPORT_SYMBOL(snd_es1688_mixer_write); |
| 1044 | EXPORT_SYMBOL(snd_es1688_create); |
| 1045 | EXPORT_SYMBOL(snd_es1688_pcm); |
| 1046 | EXPORT_SYMBOL(snd_es1688_mixer); |
| 1047 | |
| 1048 | /* |
| 1049 | * INIT part |
| 1050 | */ |
| 1051 | |
| 1052 | static int __init alsa_es1688_init(void) |
| 1053 | { |
| 1054 | return 0; |
| 1055 | } |
| 1056 | |
| 1057 | static void __exit alsa_es1688_exit(void) |
| 1058 | { |
| 1059 | } |
| 1060 | |
| 1061 | module_init(alsa_es1688_init) |
| 1062 | module_exit(alsa_es1688_exit) |