Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 2 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * Routines for control of GF1 chip (PCM things) |
| 4 | * |
| 5 | * InterWave chips supports interleaved DMA, but this feature isn't used in |
| 6 | * this code. |
| 7 | * |
| 8 | * This code emulates autoinit DMA transfer for playback, recording by GF1 |
| 9 | * chip doesn't support autoinit DMA. |
| 10 | * |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License as published by |
| 14 | * the Free Software Foundation; either version 2 of the License, or |
| 15 | * (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 25 | * |
| 26 | */ |
| 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <asm/dma.h> |
| 29 | #include <linux/slab.h> |
| 30 | #include <sound/core.h> |
| 31 | #include <sound/control.h> |
| 32 | #include <sound/gus.h> |
| 33 | #include <sound/pcm_params.h> |
| 34 | #include "gus_tables.h" |
| 35 | |
| 36 | /* maximum rate */ |
| 37 | |
| 38 | #define SNDRV_GF1_PCM_RATE 48000 |
| 39 | |
| 40 | #define SNDRV_GF1_PCM_PFLG_NONE 0 |
| 41 | #define SNDRV_GF1_PCM_PFLG_ACTIVE (1<<0) |
| 42 | #define SNDRV_GF1_PCM_PFLG_NEUTRAL (2<<0) |
| 43 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 44 | struct gus_pcm_private { |
| 45 | struct snd_gus_card * gus; |
| 46 | struct snd_pcm_substream *substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | spinlock_t lock; |
| 48 | unsigned int voices; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 49 | struct snd_gus_voice *pvoices[2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | unsigned int memory; |
| 51 | unsigned short flags; |
| 52 | unsigned char voice_ctrl, ramp_ctrl; |
| 53 | unsigned int bpos; |
| 54 | unsigned int blocks; |
| 55 | unsigned int block_size; |
| 56 | unsigned int dma_size; |
| 57 | wait_queue_head_t sleep; |
| 58 | atomic_t dma_count; |
| 59 | int final_volume; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 60 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | |
| 62 | static int snd_gf1_pcm_use_dma = 1; |
| 63 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 64 | static void snd_gf1_pcm_block_change_ack(struct snd_gus_card * gus, void *private_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 66 | struct gus_pcm_private *pcmp = private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
| 68 | if (pcmp) { |
| 69 | atomic_dec(&pcmp->dma_count); |
| 70 | wake_up(&pcmp->sleep); |
| 71 | } |
| 72 | } |
| 73 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 74 | static int snd_gf1_pcm_block_change(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | unsigned int offset, |
| 76 | unsigned int addr, |
| 77 | unsigned int count) |
| 78 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 79 | struct snd_gf1_dma_block block; |
| 80 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 81 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | |
| 83 | count += offset & 31; |
| 84 | offset &= ~31; |
| 85 | // snd_printk("block change - offset = 0x%x, count = 0x%x\n", offset, count); |
| 86 | memset(&block, 0, sizeof(block)); |
| 87 | block.cmd = SNDRV_GF1_DMA_IRQ; |
| 88 | if (snd_pcm_format_unsigned(runtime->format)) |
| 89 | block.cmd |= SNDRV_GF1_DMA_UNSIGNED; |
| 90 | if (snd_pcm_format_width(runtime->format) == 16) |
| 91 | block.cmd |= SNDRV_GF1_DMA_16BIT; |
| 92 | block.addr = addr & ~31; |
| 93 | block.buffer = runtime->dma_area + offset; |
| 94 | block.buf_addr = runtime->dma_addr + offset; |
| 95 | block.count = count; |
| 96 | block.private_data = pcmp; |
| 97 | block.ack = snd_gf1_pcm_block_change_ack; |
| 98 | if (!snd_gf1_dma_transfer_block(pcmp->gus, &block, 0, 0)) |
| 99 | atomic_inc(&pcmp->dma_count); |
| 100 | return 0; |
| 101 | } |
| 102 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 103 | static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 105 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 106 | struct gus_pcm_private *pcmp = runtime->private_data; |
| 107 | struct snd_gus_card * gus = pcmp->gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | unsigned long flags; |
| 109 | unsigned char voice_ctrl, ramp_ctrl; |
| 110 | unsigned short rate; |
| 111 | unsigned int curr, begin, end; |
| 112 | unsigned short vol; |
| 113 | unsigned char pan; |
| 114 | unsigned int voice; |
| 115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | spin_lock_irqsave(&pcmp->lock, flags); |
| 117 | if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) { |
| 118 | spin_unlock_irqrestore(&pcmp->lock, flags); |
| 119 | return; |
| 120 | } |
| 121 | pcmp->flags |= SNDRV_GF1_PCM_PFLG_ACTIVE; |
| 122 | pcmp->final_volume = 0; |
| 123 | spin_unlock_irqrestore(&pcmp->lock, flags); |
| 124 | rate = snd_gf1_translate_freq(gus, runtime->rate << 4); |
| 125 | /* enable WAVE IRQ */ |
| 126 | voice_ctrl = snd_pcm_format_width(runtime->format) == 16 ? 0x24 : 0x20; |
| 127 | /* enable RAMP IRQ + rollover */ |
| 128 | ramp_ctrl = 0x24; |
| 129 | if (pcmp->blocks == 1) { |
| 130 | voice_ctrl |= 0x08; /* loop enable */ |
| 131 | ramp_ctrl &= ~0x04; /* disable rollover */ |
| 132 | } |
| 133 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 134 | begin = pcmp->memory + voice * (pcmp->dma_size / runtime->channels); |
| 135 | curr = begin + (pcmp->bpos * pcmp->block_size) / runtime->channels; |
| 136 | end = curr + (pcmp->block_size / runtime->channels); |
| 137 | end -= snd_pcm_format_width(runtime->format) == 16 ? 2 : 1; |
| 138 | // snd_printk("init: curr=0x%x, begin=0x%x, end=0x%x, ctrl=0x%x, ramp=0x%x, rate=0x%x\n", curr, begin, end, voice_ctrl, ramp_ctrl, rate); |
| 139 | pan = runtime->channels == 2 ? (!voice ? 1 : 14) : 8; |
| 140 | vol = !voice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 141 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 142 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 143 | snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, pan); |
| 144 | snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, rate); |
| 145 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, begin << 4, voice_ctrl & 4); |
| 146 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4); |
| 147 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, curr << 4, voice_ctrl & 4); |
| 148 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, SNDRV_GF1_MIN_VOLUME << 4); |
| 149 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0x2f); |
| 150 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); |
| 151 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, vol >> 8); |
| 152 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 153 | if (!gus->gf1.enh_mode) { |
| 154 | snd_gf1_delay(gus); |
| 155 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 156 | } |
| 157 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 158 | } |
| 159 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 160 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 161 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 162 | if (gus->gf1.enh_mode) |
| 163 | snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, 0x00); /* deactivate voice */ |
| 164 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 165 | voice_ctrl &= ~0x20; |
| 166 | } |
| 167 | voice_ctrl |= 0x20; |
| 168 | if (!gus->gf1.enh_mode) { |
| 169 | snd_gf1_delay(gus); |
| 170 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 171 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 172 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 173 | voice_ctrl &= ~0x20; /* disable IRQ for next voice */ |
| 174 | } |
| 175 | } |
| 176 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 177 | } |
| 178 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 179 | static void snd_gf1_pcm_interrupt_wave(struct snd_gus_card * gus, |
| 180 | struct snd_gus_voice *pvoice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 182 | struct gus_pcm_private * pcmp; |
| 183 | struct snd_pcm_runtime *runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | unsigned char voice_ctrl, ramp_ctrl; |
| 185 | unsigned int idx; |
| 186 | unsigned int end, step; |
| 187 | |
| 188 | if (!pvoice->private_data) { |
| 189 | snd_printd("snd_gf1_pcm: unknown wave irq?\n"); |
| 190 | snd_gf1_smart_stop_voice(gus, pvoice->number); |
| 191 | return; |
| 192 | } |
| 193 | pcmp = pvoice->private_data; |
| 194 | if (pcmp == NULL) { |
| 195 | snd_printd("snd_gf1_pcm: unknown wave irq?\n"); |
| 196 | snd_gf1_smart_stop_voice(gus, pvoice->number); |
| 197 | return; |
| 198 | } |
| 199 | gus = pcmp->gus; |
| 200 | runtime = pcmp->substream->runtime; |
| 201 | |
| 202 | spin_lock(&gus->reg_lock); |
| 203 | snd_gf1_select_voice(gus, pvoice->number); |
| 204 | voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & ~0x8b; |
| 205 | ramp_ctrl = (snd_gf1_read8(gus, SNDRV_GF1_VB_VOLUME_CONTROL) & ~0xa4) | 0x03; |
| 206 | #if 0 |
| 207 | snd_gf1_select_voice(gus, pvoice->number); |
| 208 | printk("position = 0x%x\n", (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4)); |
| 209 | snd_gf1_select_voice(gus, pcmp->pvoices[1]->number); |
| 210 | printk("position = 0x%x\n", (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4)); |
| 211 | snd_gf1_select_voice(gus, pvoice->number); |
| 212 | #endif |
| 213 | pcmp->bpos++; |
| 214 | pcmp->bpos %= pcmp->blocks; |
| 215 | if (pcmp->bpos + 1 >= pcmp->blocks) { /* last block? */ |
| 216 | voice_ctrl |= 0x08; /* enable loop */ |
| 217 | } else { |
| 218 | ramp_ctrl |= 0x04; /* enable rollover */ |
| 219 | } |
| 220 | end = pcmp->memory + (((pcmp->bpos + 1) * pcmp->block_size) / runtime->channels); |
| 221 | end -= voice_ctrl & 4 ? 2 : 1; |
| 222 | step = pcmp->dma_size / runtime->channels; |
| 223 | voice_ctrl |= 0x20; |
| 224 | if (!pcmp->final_volume) { |
| 225 | ramp_ctrl |= 0x20; |
| 226 | ramp_ctrl &= ~0x03; |
| 227 | } |
| 228 | for (idx = 0; idx < pcmp->voices; idx++, end += step) { |
| 229 | snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number); |
| 230 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4); |
| 231 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 232 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 233 | voice_ctrl &= ~0x20; |
| 234 | } |
| 235 | if (!gus->gf1.enh_mode) { |
| 236 | snd_gf1_delay(gus); |
| 237 | voice_ctrl |= 0x20; |
| 238 | for (idx = 0; idx < pcmp->voices; idx++) { |
| 239 | snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number); |
| 240 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 241 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 242 | voice_ctrl &= ~0x20; |
| 243 | } |
| 244 | } |
| 245 | spin_unlock(&gus->reg_lock); |
| 246 | |
| 247 | snd_pcm_period_elapsed(pcmp->substream); |
| 248 | #if 0 |
| 249 | if ((runtime->flags & SNDRV_PCM_FLG_MMAP) && |
| 250 | *runtime->state == SNDRV_PCM_STATE_RUNNING) { |
| 251 | end = pcmp->bpos * pcmp->block_size; |
| 252 | if (runtime->channels > 1) { |
| 253 | snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + (end / 2), pcmp->block_size / 2); |
| 254 | snd_gf1_pcm_block_change(pcmp->substream, end + (pcmp->block_size / 2), pcmp->memory + (pcmp->dma_size / 2) + (end / 2), pcmp->block_size / 2); |
| 255 | } else { |
| 256 | snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + end, pcmp->block_size); |
| 257 | } |
| 258 | } |
| 259 | #endif |
| 260 | } |
| 261 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 262 | static void snd_gf1_pcm_interrupt_volume(struct snd_gus_card * gus, |
| 263 | struct snd_gus_voice * pvoice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | { |
| 265 | unsigned short vol; |
| 266 | int cvoice; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 267 | struct gus_pcm_private *pcmp = pvoice->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | |
| 269 | /* stop ramp, but leave rollover bit untouched */ |
| 270 | spin_lock(&gus->reg_lock); |
| 271 | snd_gf1_select_voice(gus, pvoice->number); |
| 272 | snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); |
| 273 | spin_unlock(&gus->reg_lock); |
| 274 | if (pcmp == NULL) |
| 275 | return; |
| 276 | /* are we active? */ |
| 277 | if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)) |
| 278 | return; |
| 279 | /* load real volume - better precision */ |
| 280 | cvoice = pcmp->pvoices[0] == pvoice ? 0 : 1; |
| 281 | if (pcmp->substream == NULL) |
| 282 | return; |
| 283 | vol = !cvoice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 284 | spin_lock(&gus->reg_lock); |
| 285 | snd_gf1_select_voice(gus, pvoice->number); |
| 286 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol); |
| 287 | pcmp->final_volume = 1; |
| 288 | spin_unlock(&gus->reg_lock); |
| 289 | } |
| 290 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 291 | static void snd_gf1_pcm_volume_change(struct snd_gus_card * gus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | { |
| 293 | } |
| 294 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 295 | static int snd_gf1_pcm_poke_block(struct snd_gus_card *gus, unsigned char *buf, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | unsigned int pos, unsigned int count, |
| 297 | int w16, int invert) |
| 298 | { |
| 299 | unsigned int len; |
| 300 | unsigned long flags; |
| 301 | |
| 302 | // printk("poke block; buf = 0x%x, pos = %i, count = %i, port = 0x%x\n", (int)buf, pos, count, gus->gf1.port); |
| 303 | while (count > 0) { |
| 304 | len = count; |
| 305 | if (len > 512) /* limit, to allow IRQ */ |
| 306 | len = 512; |
| 307 | count -= len; |
| 308 | if (gus->interwave) { |
| 309 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 310 | snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01 | (invert ? 0x08 : 0x00)); |
| 311 | snd_gf1_dram_addr(gus, pos); |
| 312 | if (w16) { |
| 313 | outb(SNDRV_GF1_GW_DRAM_IO16, GUSP(gus, GF1REGSEL)); |
| 314 | outsw(GUSP(gus, GF1DATALOW), buf, len >> 1); |
| 315 | } else { |
| 316 | outsb(GUSP(gus, DRAM), buf, len); |
| 317 | } |
| 318 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 319 | buf += 512; |
| 320 | pos += 512; |
| 321 | } else { |
| 322 | invert = invert ? 0x80 : 0x00; |
| 323 | if (w16) { |
| 324 | len >>= 1; |
| 325 | while (len--) { |
| 326 | snd_gf1_poke(gus, pos++, *buf++); |
| 327 | snd_gf1_poke(gus, pos++, *buf++ ^ invert); |
| 328 | } |
| 329 | } else { |
| 330 | while (len--) |
| 331 | snd_gf1_poke(gus, pos++, *buf++ ^ invert); |
| 332 | } |
| 333 | } |
| 334 | if (count > 0 && !in_interrupt()) { |
Nishanth Aravamudan | 8433a50 | 2005-10-24 15:02:37 +0200 | [diff] [blame] | 335 | schedule_timeout_interruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | if (signal_pending(current)) |
| 337 | return -EAGAIN; |
| 338 | } |
| 339 | } |
| 340 | return 0; |
| 341 | } |
| 342 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 343 | static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | int voice, |
| 345 | snd_pcm_uframes_t pos, |
| 346 | void __user *src, |
| 347 | snd_pcm_uframes_t count) |
| 348 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 349 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 350 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | unsigned int bpos, len; |
| 352 | |
| 353 | bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); |
| 354 | len = samples_to_bytes(runtime, count); |
| 355 | snd_assert(bpos <= pcmp->dma_size, return -EIO); |
| 356 | snd_assert(bpos + len <= pcmp->dma_size, return -EIO); |
| 357 | if (copy_from_user(runtime->dma_area + bpos, src, len)) |
| 358 | return -EFAULT; |
| 359 | if (snd_gf1_pcm_use_dma && len > 32) { |
| 360 | return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); |
| 361 | } else { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 362 | struct snd_gus_card *gus = pcmp->gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | int err, w16, invert; |
| 364 | |
| 365 | w16 = (snd_pcm_format_width(runtime->format) == 16); |
| 366 | invert = snd_pcm_format_unsigned(runtime->format); |
| 367 | if ((err = snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, pcmp->memory + bpos, len, w16, invert)) < 0) |
| 368 | return err; |
| 369 | } |
| 370 | return 0; |
| 371 | } |
| 372 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 373 | static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | int voice, |
| 375 | snd_pcm_uframes_t pos, |
| 376 | snd_pcm_uframes_t count) |
| 377 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 378 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 379 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | unsigned int bpos, len; |
| 381 | |
| 382 | bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); |
| 383 | len = samples_to_bytes(runtime, count); |
| 384 | snd_assert(bpos <= pcmp->dma_size, return -EIO); |
| 385 | snd_assert(bpos + len <= pcmp->dma_size, return -EIO); |
| 386 | snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos, count); |
| 387 | if (snd_gf1_pcm_use_dma && len > 32) { |
| 388 | return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); |
| 389 | } else { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 390 | struct snd_gus_card *gus = pcmp->gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | int err, w16, invert; |
| 392 | |
| 393 | w16 = (snd_pcm_format_width(runtime->format) == 16); |
| 394 | invert = snd_pcm_format_unsigned(runtime->format); |
| 395 | if ((err = snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, pcmp->memory + bpos, len, w16, invert)) < 0) |
| 396 | return err; |
| 397 | } |
| 398 | return 0; |
| 399 | } |
| 400 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 401 | static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream, |
| 402 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 404 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 405 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 406 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | int err; |
| 408 | |
| 409 | if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) |
| 410 | return err; |
| 411 | if (err > 0) { /* change */ |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 412 | struct snd_gf1_mem_block *block; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | if (pcmp->memory > 0) { |
| 414 | snd_gf1_mem_free(&gus->gf1.mem_alloc, pcmp->memory); |
| 415 | pcmp->memory = 0; |
| 416 | } |
| 417 | if ((block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc, |
| 418 | SNDRV_GF1_MEM_OWNER_DRIVER, |
| 419 | "GF1 PCM", |
| 420 | runtime->dma_bytes, 1, 32, |
| 421 | NULL)) == NULL) |
| 422 | return -ENOMEM; |
| 423 | pcmp->memory = block->ptr; |
| 424 | } |
| 425 | pcmp->voices = params_channels(hw_params); |
| 426 | if (pcmp->pvoices[0] == NULL) { |
| 427 | if ((pcmp->pvoices[0] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0)) == NULL) |
| 428 | return -ENOMEM; |
| 429 | pcmp->pvoices[0]->handler_wave = snd_gf1_pcm_interrupt_wave; |
| 430 | pcmp->pvoices[0]->handler_volume = snd_gf1_pcm_interrupt_volume; |
| 431 | pcmp->pvoices[0]->volume_change = snd_gf1_pcm_volume_change; |
| 432 | pcmp->pvoices[0]->private_data = pcmp; |
| 433 | } |
| 434 | if (pcmp->voices > 1 && pcmp->pvoices[1] == NULL) { |
| 435 | if ((pcmp->pvoices[1] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0)) == NULL) |
| 436 | return -ENOMEM; |
| 437 | pcmp->pvoices[1]->handler_wave = snd_gf1_pcm_interrupt_wave; |
| 438 | pcmp->pvoices[1]->handler_volume = snd_gf1_pcm_interrupt_volume; |
| 439 | pcmp->pvoices[1]->volume_change = snd_gf1_pcm_volume_change; |
| 440 | pcmp->pvoices[1]->private_data = pcmp; |
| 441 | } else if (pcmp->voices == 1) { |
| 442 | if (pcmp->pvoices[1]) { |
| 443 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]); |
| 444 | pcmp->pvoices[1] = NULL; |
| 445 | } |
| 446 | } |
| 447 | return 0; |
| 448 | } |
| 449 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 450 | static int snd_gf1_pcm_playback_hw_free(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 452 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 453 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | |
| 455 | snd_pcm_lib_free_pages(substream); |
| 456 | if (pcmp->pvoices[0]) { |
| 457 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[0]); |
| 458 | pcmp->pvoices[0] = NULL; |
| 459 | } |
| 460 | if (pcmp->pvoices[1]) { |
| 461 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]); |
| 462 | pcmp->pvoices[1] = NULL; |
| 463 | } |
| 464 | if (pcmp->memory > 0) { |
| 465 | snd_gf1_mem_free(&pcmp->gus->gf1.mem_alloc, pcmp->memory); |
| 466 | pcmp->memory = 0; |
| 467 | } |
| 468 | return 0; |
| 469 | } |
| 470 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 471 | static int snd_gf1_pcm_playback_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 473 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 474 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | |
| 476 | pcmp->bpos = 0; |
| 477 | pcmp->dma_size = snd_pcm_lib_buffer_bytes(substream); |
| 478 | pcmp->block_size = snd_pcm_lib_period_bytes(substream); |
| 479 | pcmp->blocks = pcmp->dma_size / pcmp->block_size; |
| 480 | return 0; |
| 481 | } |
| 482 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 483 | static int snd_gf1_pcm_playback_trigger(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | int cmd) |
| 485 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 486 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 487 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 488 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | int voice; |
| 490 | |
| 491 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
| 492 | snd_gf1_pcm_trigger_up(substream); |
| 493 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 494 | spin_lock(&pcmp->lock); |
| 495 | pcmp->flags &= ~SNDRV_GF1_PCM_PFLG_ACTIVE; |
| 496 | spin_unlock(&pcmp->lock); |
| 497 | voice = pcmp->pvoices[0]->number; |
| 498 | snd_gf1_stop_voices(gus, voice, voice); |
| 499 | if (pcmp->pvoices[1]) { |
| 500 | voice = pcmp->pvoices[1]->number; |
| 501 | snd_gf1_stop_voices(gus, voice, voice); |
| 502 | } |
| 503 | } else { |
| 504 | return -EINVAL; |
| 505 | } |
| 506 | return 0; |
| 507 | } |
| 508 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 509 | static snd_pcm_uframes_t snd_gf1_pcm_playback_pointer(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 511 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 512 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 513 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | unsigned int pos; |
| 515 | unsigned char voice_ctrl; |
| 516 | |
| 517 | pos = 0; |
| 518 | spin_lock(&gus->reg_lock); |
| 519 | if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) { |
| 520 | snd_gf1_select_voice(gus, pcmp->pvoices[0]->number); |
| 521 | voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); |
| 522 | pos = (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4) - pcmp->memory; |
| 523 | if (substream->runtime->channels > 1) |
| 524 | pos <<= 1; |
| 525 | pos = bytes_to_frames(runtime, pos); |
| 526 | } |
| 527 | spin_unlock(&gus->reg_lock); |
| 528 | return pos; |
| 529 | } |
| 530 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 531 | static struct snd_ratnum clock = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | .num = 9878400/16, |
| 533 | .den_min = 2, |
| 534 | .den_max = 257, |
| 535 | .den_step = 1, |
| 536 | }; |
| 537 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 538 | static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | .nrats = 1, |
| 540 | .rats = &clock, |
| 541 | }; |
| 542 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 543 | static int snd_gf1_pcm_capture_hw_params(struct snd_pcm_substream *substream, |
| 544 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 546 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | |
| 548 | gus->c_dma_size = params_buffer_bytes(hw_params); |
| 549 | gus->c_period_size = params_period_bytes(hw_params); |
| 550 | gus->c_pos = 0; |
| 551 | gus->gf1.pcm_rcntrl_reg = 0x21; /* IRQ at end, enable & start */ |
| 552 | if (params_channels(hw_params) > 1) |
| 553 | gus->gf1.pcm_rcntrl_reg |= 2; |
| 554 | if (gus->gf1.dma2 > 3) |
| 555 | gus->gf1.pcm_rcntrl_reg |= 4; |
| 556 | if (snd_pcm_format_unsigned(params_format(hw_params))) |
| 557 | gus->gf1.pcm_rcntrl_reg |= 0x80; |
| 558 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| 559 | } |
| 560 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 561 | static int snd_gf1_pcm_capture_hw_free(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | { |
| 563 | return snd_pcm_lib_free_pages(substream); |
| 564 | } |
| 565 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 566 | static int snd_gf1_pcm_capture_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 568 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 569 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | |
| 571 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_RECORD_RATE, runtime->rate_den - 2); |
| 572 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */ |
| 573 | snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */ |
| 574 | snd_dma_program(gus->gf1.dma2, runtime->dma_addr, gus->c_period_size, DMA_MODE_READ); |
| 575 | return 0; |
| 576 | } |
| 577 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 578 | static int snd_gf1_pcm_capture_trigger(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | int cmd) |
| 580 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 581 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | int val; |
| 583 | |
| 584 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
| 585 | val = gus->gf1.pcm_rcntrl_reg; |
| 586 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 587 | val = 0; |
| 588 | } else { |
| 589 | return -EINVAL; |
| 590 | } |
| 591 | |
| 592 | spin_lock(&gus->reg_lock); |
| 593 | snd_gf1_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, val); |
| 594 | snd_gf1_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); |
| 595 | spin_unlock(&gus->reg_lock); |
| 596 | return 0; |
| 597 | } |
| 598 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 599 | static snd_pcm_uframes_t snd_gf1_pcm_capture_pointer(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 600 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 601 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | int pos = snd_dma_pointer(gus->gf1.dma2, gus->c_period_size); |
| 603 | pos = bytes_to_frames(substream->runtime, (gus->c_pos + pos) % gus->c_dma_size); |
| 604 | return pos; |
| 605 | } |
| 606 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 607 | static void snd_gf1_pcm_interrupt_dma_read(struct snd_gus_card * gus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | { |
| 609 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */ |
| 610 | snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */ |
| 611 | if (gus->pcm_cap_substream != NULL) { |
| 612 | snd_gf1_pcm_capture_prepare(gus->pcm_cap_substream); |
| 613 | snd_gf1_pcm_capture_trigger(gus->pcm_cap_substream, SNDRV_PCM_TRIGGER_START); |
| 614 | gus->c_pos += gus->c_period_size; |
| 615 | snd_pcm_period_elapsed(gus->pcm_cap_substream); |
| 616 | } |
| 617 | } |
| 618 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 619 | static struct snd_pcm_hardware snd_gf1_pcm_playback = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 620 | { |
| 621 | .info = SNDRV_PCM_INFO_NONINTERLEAVED, |
| 622 | .formats = (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | |
| 623 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE), |
| 624 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
| 625 | .rate_min = 5510, |
| 626 | .rate_max = 48000, |
| 627 | .channels_min = 1, |
| 628 | .channels_max = 2, |
| 629 | .buffer_bytes_max = (128*1024), |
| 630 | .period_bytes_min = 64, |
| 631 | .period_bytes_max = (128*1024), |
| 632 | .periods_min = 1, |
| 633 | .periods_max = 1024, |
| 634 | .fifo_size = 0, |
| 635 | }; |
| 636 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 637 | static struct snd_pcm_hardware snd_gf1_pcm_capture = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 638 | { |
| 639 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 640 | SNDRV_PCM_INFO_MMAP_VALID), |
| 641 | .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8, |
| 642 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_44100, |
| 643 | .rate_min = 5510, |
| 644 | .rate_max = 44100, |
| 645 | .channels_min = 1, |
| 646 | .channels_max = 2, |
| 647 | .buffer_bytes_max = (128*1024), |
| 648 | .period_bytes_min = 64, |
| 649 | .period_bytes_max = (128*1024), |
| 650 | .periods_min = 1, |
| 651 | .periods_max = 1024, |
| 652 | .fifo_size = 0, |
| 653 | }; |
| 654 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 655 | static void snd_gf1_pcm_playback_free(struct snd_pcm_runtime *runtime) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | { |
Jesper Juhl | 4d57277 | 2005-05-30 17:30:32 +0200 | [diff] [blame] | 657 | kfree(runtime->private_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | } |
| 659 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 660 | static int snd_gf1_pcm_playback_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 661 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 662 | struct gus_pcm_private *pcmp; |
| 663 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 664 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | int err; |
| 666 | |
Takashi Iwai | 9e76a76 | 2005-09-09 14:21:17 +0200 | [diff] [blame] | 667 | pcmp = kzalloc(sizeof(*pcmp), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 668 | if (pcmp == NULL) |
| 669 | return -ENOMEM; |
| 670 | pcmp->gus = gus; |
| 671 | spin_lock_init(&pcmp->lock); |
| 672 | init_waitqueue_head(&pcmp->sleep); |
| 673 | atomic_set(&pcmp->dma_count, 0); |
| 674 | |
| 675 | runtime->private_data = pcmp; |
| 676 | runtime->private_free = snd_gf1_pcm_playback_free; |
| 677 | |
| 678 | #if 0 |
| 679 | printk("playback.buffer = 0x%lx, gf1.pcm_buffer = 0x%lx\n", (long) pcm->playback.buffer, (long) gus->gf1.pcm_buffer); |
| 680 | #endif |
| 681 | if ((err = snd_gf1_dma_init(gus)) < 0) |
| 682 | return err; |
| 683 | pcmp->flags = SNDRV_GF1_PCM_PFLG_NONE; |
| 684 | pcmp->substream = substream; |
| 685 | runtime->hw = snd_gf1_pcm_playback; |
| 686 | snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.buffer_bytes_max); |
| 687 | snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.period_bytes_max); |
| 688 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64); |
| 689 | return 0; |
| 690 | } |
| 691 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 692 | static int snd_gf1_pcm_playback_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 693 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 694 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 695 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 696 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | |
| 698 | if (!wait_event_timeout(pcmp->sleep, (atomic_read(&pcmp->dma_count) <= 0), 2*HZ)) |
Takashi Iwai | 99b359b | 2005-10-20 18:26:44 +0200 | [diff] [blame] | 699 | snd_printk(KERN_ERR "gf1 pcm - serious DMA problem\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | |
| 701 | snd_gf1_dma_done(gus); |
| 702 | return 0; |
| 703 | } |
| 704 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 705 | static int snd_gf1_pcm_capture_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 706 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 707 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 708 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | |
| 710 | gus->gf1.interrupt_handler_dma_read = snd_gf1_pcm_interrupt_dma_read; |
| 711 | gus->pcm_cap_substream = substream; |
| 712 | substream->runtime->hw = snd_gf1_pcm_capture; |
| 713 | snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.buffer_bytes_max); |
| 714 | snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.period_bytes_max); |
| 715 | snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
| 716 | &hw_constraints_clocks); |
| 717 | return 0; |
| 718 | } |
| 719 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 720 | static int snd_gf1_pcm_capture_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 722 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | |
| 724 | gus->pcm_cap_substream = NULL; |
| 725 | snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_DMA_READ); |
| 726 | return 0; |
| 727 | } |
| 728 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 729 | static int snd_gf1_pcm_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | { |
| 731 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 732 | uinfo->count = 2; |
| 733 | uinfo->value.integer.min = 0; |
| 734 | uinfo->value.integer.max = 127; |
| 735 | return 0; |
| 736 | } |
| 737 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 738 | static int snd_gf1_pcm_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 739 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 740 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | unsigned long flags; |
| 742 | |
| 743 | spin_lock_irqsave(&gus->pcm_volume_level_lock, flags); |
| 744 | ucontrol->value.integer.value[0] = gus->gf1.pcm_volume_level_left1; |
| 745 | ucontrol->value.integer.value[1] = gus->gf1.pcm_volume_level_right1; |
| 746 | spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags); |
| 747 | return 0; |
| 748 | } |
| 749 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 750 | static int snd_gf1_pcm_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 751 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 752 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | unsigned long flags; |
| 754 | int change; |
| 755 | unsigned int idx; |
| 756 | unsigned short val1, val2, vol; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 757 | struct gus_pcm_private *pcmp; |
| 758 | struct snd_gus_voice *pvoice; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | |
| 760 | val1 = ucontrol->value.integer.value[0] & 127; |
| 761 | val2 = ucontrol->value.integer.value[1] & 127; |
| 762 | spin_lock_irqsave(&gus->pcm_volume_level_lock, flags); |
| 763 | change = val1 != gus->gf1.pcm_volume_level_left1 || |
| 764 | val2 != gus->gf1.pcm_volume_level_right1; |
| 765 | gus->gf1.pcm_volume_level_left1 = val1; |
| 766 | gus->gf1.pcm_volume_level_right1 = val2; |
| 767 | gus->gf1.pcm_volume_level_left = snd_gf1_lvol_to_gvol_raw(val1 << 9) << 4; |
| 768 | gus->gf1.pcm_volume_level_right = snd_gf1_lvol_to_gvol_raw(val2 << 9) << 4; |
| 769 | spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags); |
| 770 | /* are we active? */ |
| 771 | spin_lock_irqsave(&gus->voice_alloc, flags); |
| 772 | for (idx = 0; idx < 32; idx++) { |
| 773 | pvoice = &gus->gf1.voices[idx]; |
| 774 | if (!pvoice->pcm) |
| 775 | continue; |
| 776 | pcmp = pvoice->private_data; |
| 777 | if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)) |
| 778 | continue; |
| 779 | /* load real volume - better precision */ |
| 780 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 781 | snd_gf1_select_voice(gus, pvoice->number); |
| 782 | snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); |
| 783 | vol = pvoice == pcmp->pvoices[0] ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 784 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol); |
| 785 | pcmp->final_volume = 1; |
| 786 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 787 | } |
| 788 | spin_unlock_irqrestore(&gus->voice_alloc, flags); |
| 789 | return change; |
| 790 | } |
| 791 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 792 | static struct snd_kcontrol_new snd_gf1_pcm_volume_control = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | { |
| 794 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 795 | .name = "PCM Playback Volume", |
| 796 | .info = snd_gf1_pcm_volume_info, |
| 797 | .get = snd_gf1_pcm_volume_get, |
| 798 | .put = snd_gf1_pcm_volume_put |
| 799 | }; |
| 800 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 801 | static struct snd_kcontrol_new snd_gf1_pcm_volume_control1 = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 802 | { |
| 803 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 804 | .name = "GPCM Playback Volume", |
| 805 | .info = snd_gf1_pcm_volume_info, |
| 806 | .get = snd_gf1_pcm_volume_get, |
| 807 | .put = snd_gf1_pcm_volume_put |
| 808 | }; |
| 809 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 810 | static struct snd_pcm_ops snd_gf1_pcm_playback_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | .open = snd_gf1_pcm_playback_open, |
| 812 | .close = snd_gf1_pcm_playback_close, |
| 813 | .ioctl = snd_pcm_lib_ioctl, |
| 814 | .hw_params = snd_gf1_pcm_playback_hw_params, |
| 815 | .hw_free = snd_gf1_pcm_playback_hw_free, |
| 816 | .prepare = snd_gf1_pcm_playback_prepare, |
| 817 | .trigger = snd_gf1_pcm_playback_trigger, |
| 818 | .pointer = snd_gf1_pcm_playback_pointer, |
| 819 | .copy = snd_gf1_pcm_playback_copy, |
| 820 | .silence = snd_gf1_pcm_playback_silence, |
| 821 | }; |
| 822 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 823 | static struct snd_pcm_ops snd_gf1_pcm_capture_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | .open = snd_gf1_pcm_capture_open, |
| 825 | .close = snd_gf1_pcm_capture_close, |
| 826 | .ioctl = snd_pcm_lib_ioctl, |
| 827 | .hw_params = snd_gf1_pcm_capture_hw_params, |
| 828 | .hw_free = snd_gf1_pcm_capture_hw_free, |
| 829 | .prepare = snd_gf1_pcm_capture_prepare, |
| 830 | .trigger = snd_gf1_pcm_capture_trigger, |
| 831 | .pointer = snd_gf1_pcm_capture_pointer, |
| 832 | }; |
| 833 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 834 | int snd_gf1_pcm_new(struct snd_gus_card * gus, int pcm_dev, int control_index, struct snd_pcm ** rpcm) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 836 | struct snd_card *card; |
| 837 | struct snd_kcontrol *kctl; |
| 838 | struct snd_pcm *pcm; |
| 839 | struct snd_pcm_substream *substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | int capture, err; |
| 841 | |
| 842 | if (rpcm) |
| 843 | *rpcm = NULL; |
| 844 | card = gus->card; |
| 845 | capture = !gus->interwave && !gus->ess_flag && !gus->ace_flag ? 1 : 0; |
| 846 | err = snd_pcm_new(card, |
| 847 | gus->interwave ? "AMD InterWave" : "GF1", |
| 848 | pcm_dev, |
| 849 | gus->gf1.pcm_channels / 2, |
| 850 | capture, |
| 851 | &pcm); |
| 852 | if (err < 0) |
| 853 | return err; |
| 854 | pcm->private_data = gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | /* playback setup */ |
| 856 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_gf1_pcm_playback_ops); |
| 857 | |
| 858 | for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) |
| 859 | snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, |
| 860 | snd_dma_isa_data(), |
| 861 | 64*1024, gus->gf1.dma1 > 3 ? 128*1024 : 64*1024); |
| 862 | |
| 863 | pcm->info_flags = 0; |
| 864 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; |
| 865 | if (capture) { |
| 866 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_gf1_pcm_capture_ops); |
| 867 | if (gus->gf1.dma2 == gus->gf1.dma1) |
| 868 | pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX; |
| 869 | snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, |
| 870 | SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(), |
| 871 | 64*1024, gus->gf1.dma2 > 3 ? 128*1024 : 64*1024); |
| 872 | } |
| 873 | strcpy(pcm->name, pcm->id); |
| 874 | if (gus->interwave) { |
| 875 | sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A'); |
| 876 | } |
| 877 | strcat(pcm->name, " (synth)"); |
| 878 | gus->pcm = pcm; |
| 879 | |
| 880 | if (gus->codec_flag) |
| 881 | kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control1, gus); |
| 882 | else |
| 883 | kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control, gus); |
| 884 | if ((err = snd_ctl_add(card, kctl)) < 0) |
| 885 | return err; |
| 886 | kctl->id.index = control_index; |
| 887 | |
| 888 | if (rpcm) |
| 889 | *rpcm = pcm; |
| 890 | return 0; |
| 891 | } |
| 892 | |