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; |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 85 | /* |
| 86 | snd_printk(KERN_DEBUG "block change - offset = 0x%x, count = 0x%x\n", |
| 87 | offset, count); |
| 88 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | memset(&block, 0, sizeof(block)); |
| 90 | block.cmd = SNDRV_GF1_DMA_IRQ; |
| 91 | if (snd_pcm_format_unsigned(runtime->format)) |
| 92 | block.cmd |= SNDRV_GF1_DMA_UNSIGNED; |
| 93 | if (snd_pcm_format_width(runtime->format) == 16) |
| 94 | block.cmd |= SNDRV_GF1_DMA_16BIT; |
| 95 | block.addr = addr & ~31; |
| 96 | block.buffer = runtime->dma_area + offset; |
| 97 | block.buf_addr = runtime->dma_addr + offset; |
| 98 | block.count = count; |
| 99 | block.private_data = pcmp; |
| 100 | block.ack = snd_gf1_pcm_block_change_ack; |
| 101 | if (!snd_gf1_dma_transfer_block(pcmp->gus, &block, 0, 0)) |
| 102 | atomic_inc(&pcmp->dma_count); |
| 103 | return 0; |
| 104 | } |
| 105 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 106 | static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 108 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 109 | struct gus_pcm_private *pcmp = runtime->private_data; |
| 110 | struct snd_gus_card * gus = pcmp->gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | unsigned long flags; |
| 112 | unsigned char voice_ctrl, ramp_ctrl; |
| 113 | unsigned short rate; |
| 114 | unsigned int curr, begin, end; |
| 115 | unsigned short vol; |
| 116 | unsigned char pan; |
| 117 | unsigned int voice; |
| 118 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | spin_lock_irqsave(&pcmp->lock, flags); |
| 120 | if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) { |
| 121 | spin_unlock_irqrestore(&pcmp->lock, flags); |
| 122 | return; |
| 123 | } |
| 124 | pcmp->flags |= SNDRV_GF1_PCM_PFLG_ACTIVE; |
| 125 | pcmp->final_volume = 0; |
| 126 | spin_unlock_irqrestore(&pcmp->lock, flags); |
| 127 | rate = snd_gf1_translate_freq(gus, runtime->rate << 4); |
| 128 | /* enable WAVE IRQ */ |
| 129 | voice_ctrl = snd_pcm_format_width(runtime->format) == 16 ? 0x24 : 0x20; |
| 130 | /* enable RAMP IRQ + rollover */ |
| 131 | ramp_ctrl = 0x24; |
| 132 | if (pcmp->blocks == 1) { |
| 133 | voice_ctrl |= 0x08; /* loop enable */ |
| 134 | ramp_ctrl &= ~0x04; /* disable rollover */ |
| 135 | } |
| 136 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 137 | begin = pcmp->memory + voice * (pcmp->dma_size / runtime->channels); |
| 138 | curr = begin + (pcmp->bpos * pcmp->block_size) / runtime->channels; |
| 139 | end = curr + (pcmp->block_size / runtime->channels); |
| 140 | end -= snd_pcm_format_width(runtime->format) == 16 ? 2 : 1; |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 141 | /* |
| 142 | snd_printk(KERN_DEBUG "init: curr=0x%x, begin=0x%x, end=0x%x, " |
| 143 | "ctrl=0x%x, ramp=0x%x, rate=0x%x\n", |
| 144 | curr, begin, end, voice_ctrl, ramp_ctrl, rate); |
| 145 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | pan = runtime->channels == 2 ? (!voice ? 1 : 14) : 8; |
| 147 | vol = !voice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 148 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 149 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 150 | snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, pan); |
| 151 | snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, rate); |
| 152 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, begin << 4, voice_ctrl & 4); |
| 153 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4); |
| 154 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, curr << 4, voice_ctrl & 4); |
| 155 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, SNDRV_GF1_MIN_VOLUME << 4); |
| 156 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0x2f); |
| 157 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); |
| 158 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, vol >> 8); |
| 159 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 160 | if (!gus->gf1.enh_mode) { |
| 161 | snd_gf1_delay(gus); |
| 162 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 163 | } |
| 164 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 165 | } |
| 166 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 167 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 168 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 169 | if (gus->gf1.enh_mode) |
| 170 | snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, 0x00); /* deactivate voice */ |
| 171 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 172 | voice_ctrl &= ~0x20; |
| 173 | } |
| 174 | voice_ctrl |= 0x20; |
| 175 | if (!gus->gf1.enh_mode) { |
| 176 | snd_gf1_delay(gus); |
| 177 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 178 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 179 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 180 | voice_ctrl &= ~0x20; /* disable IRQ for next voice */ |
| 181 | } |
| 182 | } |
| 183 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 184 | } |
| 185 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 186 | static void snd_gf1_pcm_interrupt_wave(struct snd_gus_card * gus, |
| 187 | struct snd_gus_voice *pvoice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 189 | struct gus_pcm_private * pcmp; |
| 190 | struct snd_pcm_runtime *runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | unsigned char voice_ctrl, ramp_ctrl; |
| 192 | unsigned int idx; |
| 193 | unsigned int end, step; |
| 194 | |
| 195 | if (!pvoice->private_data) { |
| 196 | snd_printd("snd_gf1_pcm: unknown wave irq?\n"); |
| 197 | snd_gf1_smart_stop_voice(gus, pvoice->number); |
| 198 | return; |
| 199 | } |
| 200 | pcmp = pvoice->private_data; |
| 201 | if (pcmp == NULL) { |
| 202 | snd_printd("snd_gf1_pcm: unknown wave irq?\n"); |
| 203 | snd_gf1_smart_stop_voice(gus, pvoice->number); |
| 204 | return; |
| 205 | } |
| 206 | gus = pcmp->gus; |
| 207 | runtime = pcmp->substream->runtime; |
| 208 | |
| 209 | spin_lock(&gus->reg_lock); |
| 210 | snd_gf1_select_voice(gus, pvoice->number); |
| 211 | voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & ~0x8b; |
| 212 | ramp_ctrl = (snd_gf1_read8(gus, SNDRV_GF1_VB_VOLUME_CONTROL) & ~0xa4) | 0x03; |
| 213 | #if 0 |
| 214 | snd_gf1_select_voice(gus, pvoice->number); |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 215 | printk(KERN_DEBUG "position = 0x%x\n", |
| 216 | (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | snd_gf1_select_voice(gus, pcmp->pvoices[1]->number); |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 218 | printk(KERN_DEBUG "position = 0x%x\n", |
| 219 | (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | snd_gf1_select_voice(gus, pvoice->number); |
| 221 | #endif |
| 222 | pcmp->bpos++; |
| 223 | pcmp->bpos %= pcmp->blocks; |
| 224 | if (pcmp->bpos + 1 >= pcmp->blocks) { /* last block? */ |
| 225 | voice_ctrl |= 0x08; /* enable loop */ |
| 226 | } else { |
| 227 | ramp_ctrl |= 0x04; /* enable rollover */ |
| 228 | } |
| 229 | end = pcmp->memory + (((pcmp->bpos + 1) * pcmp->block_size) / runtime->channels); |
| 230 | end -= voice_ctrl & 4 ? 2 : 1; |
| 231 | step = pcmp->dma_size / runtime->channels; |
| 232 | voice_ctrl |= 0x20; |
| 233 | if (!pcmp->final_volume) { |
| 234 | ramp_ctrl |= 0x20; |
| 235 | ramp_ctrl &= ~0x03; |
| 236 | } |
| 237 | for (idx = 0; idx < pcmp->voices; idx++, end += step) { |
| 238 | snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number); |
| 239 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4); |
| 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 | if (!gus->gf1.enh_mode) { |
| 245 | snd_gf1_delay(gus); |
| 246 | voice_ctrl |= 0x20; |
| 247 | for (idx = 0; idx < pcmp->voices; idx++) { |
| 248 | snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number); |
| 249 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 250 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 251 | voice_ctrl &= ~0x20; |
| 252 | } |
| 253 | } |
| 254 | spin_unlock(&gus->reg_lock); |
| 255 | |
| 256 | snd_pcm_period_elapsed(pcmp->substream); |
| 257 | #if 0 |
| 258 | if ((runtime->flags & SNDRV_PCM_FLG_MMAP) && |
| 259 | *runtime->state == SNDRV_PCM_STATE_RUNNING) { |
| 260 | end = pcmp->bpos * pcmp->block_size; |
| 261 | if (runtime->channels > 1) { |
| 262 | snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + (end / 2), pcmp->block_size / 2); |
| 263 | snd_gf1_pcm_block_change(pcmp->substream, end + (pcmp->block_size / 2), pcmp->memory + (pcmp->dma_size / 2) + (end / 2), pcmp->block_size / 2); |
| 264 | } else { |
| 265 | snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + end, pcmp->block_size); |
| 266 | } |
| 267 | } |
| 268 | #endif |
| 269 | } |
| 270 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 271 | static void snd_gf1_pcm_interrupt_volume(struct snd_gus_card * gus, |
| 272 | struct snd_gus_voice * pvoice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | { |
| 274 | unsigned short vol; |
| 275 | int cvoice; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 276 | struct gus_pcm_private *pcmp = pvoice->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | |
| 278 | /* stop ramp, but leave rollover bit untouched */ |
| 279 | spin_lock(&gus->reg_lock); |
| 280 | snd_gf1_select_voice(gus, pvoice->number); |
| 281 | snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); |
| 282 | spin_unlock(&gus->reg_lock); |
| 283 | if (pcmp == NULL) |
| 284 | return; |
| 285 | /* are we active? */ |
| 286 | if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)) |
| 287 | return; |
| 288 | /* load real volume - better precision */ |
| 289 | cvoice = pcmp->pvoices[0] == pvoice ? 0 : 1; |
| 290 | if (pcmp->substream == NULL) |
| 291 | return; |
| 292 | vol = !cvoice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 293 | spin_lock(&gus->reg_lock); |
| 294 | snd_gf1_select_voice(gus, pvoice->number); |
| 295 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol); |
| 296 | pcmp->final_volume = 1; |
| 297 | spin_unlock(&gus->reg_lock); |
| 298 | } |
| 299 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 300 | static void snd_gf1_pcm_volume_change(struct snd_gus_card * gus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | { |
| 302 | } |
| 303 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 304 | 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] | 305 | unsigned int pos, unsigned int count, |
| 306 | int w16, int invert) |
| 307 | { |
| 308 | unsigned int len; |
| 309 | unsigned long flags; |
| 310 | |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 311 | /* |
| 312 | printk(KERN_DEBUG |
| 313 | "poke block; buf = 0x%x, pos = %i, count = %i, port = 0x%x\n", |
| 314 | (int)buf, pos, count, gus->gf1.port); |
| 315 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | while (count > 0) { |
| 317 | len = count; |
| 318 | if (len > 512) /* limit, to allow IRQ */ |
| 319 | len = 512; |
| 320 | count -= len; |
| 321 | if (gus->interwave) { |
| 322 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 323 | snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01 | (invert ? 0x08 : 0x00)); |
| 324 | snd_gf1_dram_addr(gus, pos); |
| 325 | if (w16) { |
| 326 | outb(SNDRV_GF1_GW_DRAM_IO16, GUSP(gus, GF1REGSEL)); |
| 327 | outsw(GUSP(gus, GF1DATALOW), buf, len >> 1); |
| 328 | } else { |
| 329 | outsb(GUSP(gus, DRAM), buf, len); |
| 330 | } |
| 331 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 332 | buf += 512; |
| 333 | pos += 512; |
| 334 | } else { |
| 335 | invert = invert ? 0x80 : 0x00; |
| 336 | if (w16) { |
| 337 | len >>= 1; |
| 338 | while (len--) { |
| 339 | snd_gf1_poke(gus, pos++, *buf++); |
| 340 | snd_gf1_poke(gus, pos++, *buf++ ^ invert); |
| 341 | } |
| 342 | } else { |
| 343 | while (len--) |
| 344 | snd_gf1_poke(gus, pos++, *buf++ ^ invert); |
| 345 | } |
| 346 | } |
| 347 | if (count > 0 && !in_interrupt()) { |
Nishanth Aravamudan | 8433a50 | 2005-10-24 15:02:37 +0200 | [diff] [blame] | 348 | schedule_timeout_interruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | if (signal_pending(current)) |
| 350 | return -EAGAIN; |
| 351 | } |
| 352 | } |
| 353 | return 0; |
| 354 | } |
| 355 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 356 | static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | int voice, |
| 358 | snd_pcm_uframes_t pos, |
| 359 | void __user *src, |
| 360 | snd_pcm_uframes_t count) |
| 361 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 362 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 363 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | unsigned int bpos, len; |
| 365 | |
| 366 | bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); |
| 367 | len = samples_to_bytes(runtime, count); |
Takashi Iwai | 622207d | 2008-08-08 17:11:45 +0200 | [diff] [blame] | 368 | if (snd_BUG_ON(bpos > pcmp->dma_size)) |
| 369 | return -EIO; |
| 370 | if (snd_BUG_ON(bpos + len > pcmp->dma_size)) |
| 371 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | if (copy_from_user(runtime->dma_area + bpos, src, len)) |
| 373 | return -EFAULT; |
| 374 | if (snd_gf1_pcm_use_dma && len > 32) { |
| 375 | return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); |
| 376 | } else { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 377 | struct snd_gus_card *gus = pcmp->gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | int err, w16, invert; |
| 379 | |
| 380 | w16 = (snd_pcm_format_width(runtime->format) == 16); |
| 381 | invert = snd_pcm_format_unsigned(runtime->format); |
| 382 | if ((err = snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, pcmp->memory + bpos, len, w16, invert)) < 0) |
| 383 | return err; |
| 384 | } |
| 385 | return 0; |
| 386 | } |
| 387 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 388 | static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | int voice, |
| 390 | snd_pcm_uframes_t pos, |
| 391 | snd_pcm_uframes_t count) |
| 392 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 393 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 394 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | unsigned int bpos, len; |
| 396 | |
| 397 | bpos = samples_to_bytes(runtime, pos) + (voice * (pcmp->dma_size / 2)); |
| 398 | len = samples_to_bytes(runtime, count); |
Takashi Iwai | 622207d | 2008-08-08 17:11:45 +0200 | [diff] [blame] | 399 | if (snd_BUG_ON(bpos > pcmp->dma_size)) |
| 400 | return -EIO; |
| 401 | if (snd_BUG_ON(bpos + len > pcmp->dma_size)) |
| 402 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos, count); |
| 404 | if (snd_gf1_pcm_use_dma && len > 32) { |
| 405 | return snd_gf1_pcm_block_change(substream, bpos, pcmp->memory + bpos, len); |
| 406 | } else { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 407 | struct snd_gus_card *gus = pcmp->gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | int err, w16, invert; |
| 409 | |
| 410 | w16 = (snd_pcm_format_width(runtime->format) == 16); |
| 411 | invert = snd_pcm_format_unsigned(runtime->format); |
| 412 | if ((err = snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, pcmp->memory + bpos, len, w16, invert)) < 0) |
| 413 | return err; |
| 414 | } |
| 415 | return 0; |
| 416 | } |
| 417 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 418 | static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream, |
| 419 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 421 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 422 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 423 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | int err; |
| 425 | |
| 426 | if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) |
| 427 | return err; |
| 428 | if (err > 0) { /* change */ |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 429 | struct snd_gf1_mem_block *block; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | if (pcmp->memory > 0) { |
| 431 | snd_gf1_mem_free(&gus->gf1.mem_alloc, pcmp->memory); |
| 432 | pcmp->memory = 0; |
| 433 | } |
| 434 | if ((block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc, |
| 435 | SNDRV_GF1_MEM_OWNER_DRIVER, |
| 436 | "GF1 PCM", |
| 437 | runtime->dma_bytes, 1, 32, |
| 438 | NULL)) == NULL) |
| 439 | return -ENOMEM; |
| 440 | pcmp->memory = block->ptr; |
| 441 | } |
| 442 | pcmp->voices = params_channels(hw_params); |
| 443 | if (pcmp->pvoices[0] == NULL) { |
| 444 | if ((pcmp->pvoices[0] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0)) == NULL) |
| 445 | return -ENOMEM; |
| 446 | pcmp->pvoices[0]->handler_wave = snd_gf1_pcm_interrupt_wave; |
| 447 | pcmp->pvoices[0]->handler_volume = snd_gf1_pcm_interrupt_volume; |
| 448 | pcmp->pvoices[0]->volume_change = snd_gf1_pcm_volume_change; |
| 449 | pcmp->pvoices[0]->private_data = pcmp; |
| 450 | } |
| 451 | if (pcmp->voices > 1 && pcmp->pvoices[1] == NULL) { |
| 452 | if ((pcmp->pvoices[1] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0)) == NULL) |
| 453 | return -ENOMEM; |
| 454 | pcmp->pvoices[1]->handler_wave = snd_gf1_pcm_interrupt_wave; |
| 455 | pcmp->pvoices[1]->handler_volume = snd_gf1_pcm_interrupt_volume; |
| 456 | pcmp->pvoices[1]->volume_change = snd_gf1_pcm_volume_change; |
| 457 | pcmp->pvoices[1]->private_data = pcmp; |
| 458 | } else if (pcmp->voices == 1) { |
| 459 | if (pcmp->pvoices[1]) { |
| 460 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]); |
| 461 | pcmp->pvoices[1] = NULL; |
| 462 | } |
| 463 | } |
| 464 | return 0; |
| 465 | } |
| 466 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 467 | 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] | 468 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 469 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 470 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | |
| 472 | snd_pcm_lib_free_pages(substream); |
| 473 | if (pcmp->pvoices[0]) { |
| 474 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[0]); |
| 475 | pcmp->pvoices[0] = NULL; |
| 476 | } |
| 477 | if (pcmp->pvoices[1]) { |
| 478 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]); |
| 479 | pcmp->pvoices[1] = NULL; |
| 480 | } |
| 481 | if (pcmp->memory > 0) { |
| 482 | snd_gf1_mem_free(&pcmp->gus->gf1.mem_alloc, pcmp->memory); |
| 483 | pcmp->memory = 0; |
| 484 | } |
| 485 | return 0; |
| 486 | } |
| 487 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 488 | static int snd_gf1_pcm_playback_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 490 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 491 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | |
| 493 | pcmp->bpos = 0; |
| 494 | pcmp->dma_size = snd_pcm_lib_buffer_bytes(substream); |
| 495 | pcmp->block_size = snd_pcm_lib_period_bytes(substream); |
| 496 | pcmp->blocks = pcmp->dma_size / pcmp->block_size; |
| 497 | return 0; |
| 498 | } |
| 499 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 500 | static int snd_gf1_pcm_playback_trigger(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | int cmd) |
| 502 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 503 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 504 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 505 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 506 | int voice; |
| 507 | |
| 508 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
| 509 | snd_gf1_pcm_trigger_up(substream); |
| 510 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 511 | spin_lock(&pcmp->lock); |
| 512 | pcmp->flags &= ~SNDRV_GF1_PCM_PFLG_ACTIVE; |
| 513 | spin_unlock(&pcmp->lock); |
| 514 | voice = pcmp->pvoices[0]->number; |
| 515 | snd_gf1_stop_voices(gus, voice, voice); |
| 516 | if (pcmp->pvoices[1]) { |
| 517 | voice = pcmp->pvoices[1]->number; |
| 518 | snd_gf1_stop_voices(gus, voice, voice); |
| 519 | } |
| 520 | } else { |
| 521 | return -EINVAL; |
| 522 | } |
| 523 | return 0; |
| 524 | } |
| 525 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 526 | 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] | 527 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 528 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 529 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 530 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | unsigned int pos; |
| 532 | unsigned char voice_ctrl; |
| 533 | |
| 534 | pos = 0; |
| 535 | spin_lock(&gus->reg_lock); |
| 536 | if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) { |
| 537 | snd_gf1_select_voice(gus, pcmp->pvoices[0]->number); |
| 538 | voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); |
| 539 | pos = (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4) - pcmp->memory; |
| 540 | if (substream->runtime->channels > 1) |
| 541 | pos <<= 1; |
| 542 | pos = bytes_to_frames(runtime, pos); |
| 543 | } |
| 544 | spin_unlock(&gus->reg_lock); |
| 545 | return pos; |
| 546 | } |
| 547 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 548 | static struct snd_ratnum clock = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | .num = 9878400/16, |
| 550 | .den_min = 2, |
| 551 | .den_max = 257, |
| 552 | .den_step = 1, |
| 553 | }; |
| 554 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 555 | static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | .nrats = 1, |
| 557 | .rats = &clock, |
| 558 | }; |
| 559 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 560 | static int snd_gf1_pcm_capture_hw_params(struct snd_pcm_substream *substream, |
| 561 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 563 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | |
| 565 | gus->c_dma_size = params_buffer_bytes(hw_params); |
| 566 | gus->c_period_size = params_period_bytes(hw_params); |
| 567 | gus->c_pos = 0; |
| 568 | gus->gf1.pcm_rcntrl_reg = 0x21; /* IRQ at end, enable & start */ |
| 569 | if (params_channels(hw_params) > 1) |
| 570 | gus->gf1.pcm_rcntrl_reg |= 2; |
| 571 | if (gus->gf1.dma2 > 3) |
| 572 | gus->gf1.pcm_rcntrl_reg |= 4; |
| 573 | if (snd_pcm_format_unsigned(params_format(hw_params))) |
| 574 | gus->gf1.pcm_rcntrl_reg |= 0x80; |
| 575 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| 576 | } |
| 577 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 578 | 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] | 579 | { |
| 580 | return snd_pcm_lib_free_pages(substream); |
| 581 | } |
| 582 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 583 | static int snd_gf1_pcm_capture_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 584 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 585 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 586 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | |
| 588 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_RECORD_RATE, runtime->rate_den - 2); |
| 589 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */ |
| 590 | snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */ |
| 591 | snd_dma_program(gus->gf1.dma2, runtime->dma_addr, gus->c_period_size, DMA_MODE_READ); |
| 592 | return 0; |
| 593 | } |
| 594 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 595 | static int snd_gf1_pcm_capture_trigger(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | int cmd) |
| 597 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 598 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | int val; |
| 600 | |
| 601 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
| 602 | val = gus->gf1.pcm_rcntrl_reg; |
| 603 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 604 | val = 0; |
| 605 | } else { |
| 606 | return -EINVAL; |
| 607 | } |
| 608 | |
| 609 | spin_lock(&gus->reg_lock); |
| 610 | snd_gf1_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, val); |
| 611 | snd_gf1_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); |
| 612 | spin_unlock(&gus->reg_lock); |
| 613 | return 0; |
| 614 | } |
| 615 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 616 | 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] | 617 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 618 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | int pos = snd_dma_pointer(gus->gf1.dma2, gus->c_period_size); |
| 620 | pos = bytes_to_frames(substream->runtime, (gus->c_pos + pos) % gus->c_dma_size); |
| 621 | return pos; |
| 622 | } |
| 623 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 624 | 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] | 625 | { |
| 626 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */ |
| 627 | snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */ |
| 628 | if (gus->pcm_cap_substream != NULL) { |
| 629 | snd_gf1_pcm_capture_prepare(gus->pcm_cap_substream); |
| 630 | snd_gf1_pcm_capture_trigger(gus->pcm_cap_substream, SNDRV_PCM_TRIGGER_START); |
| 631 | gus->c_pos += gus->c_period_size; |
| 632 | snd_pcm_period_elapsed(gus->pcm_cap_substream); |
| 633 | } |
| 634 | } |
| 635 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 636 | static struct snd_pcm_hardware snd_gf1_pcm_playback = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | { |
| 638 | .info = SNDRV_PCM_INFO_NONINTERLEAVED, |
| 639 | .formats = (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | |
| 640 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE), |
| 641 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
| 642 | .rate_min = 5510, |
| 643 | .rate_max = 48000, |
| 644 | .channels_min = 1, |
| 645 | .channels_max = 2, |
| 646 | .buffer_bytes_max = (128*1024), |
| 647 | .period_bytes_min = 64, |
| 648 | .period_bytes_max = (128*1024), |
| 649 | .periods_min = 1, |
| 650 | .periods_max = 1024, |
| 651 | .fifo_size = 0, |
| 652 | }; |
| 653 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 654 | static struct snd_pcm_hardware snd_gf1_pcm_capture = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | { |
| 656 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 657 | SNDRV_PCM_INFO_MMAP_VALID), |
| 658 | .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8, |
| 659 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_44100, |
| 660 | .rate_min = 5510, |
| 661 | .rate_max = 44100, |
| 662 | .channels_min = 1, |
| 663 | .channels_max = 2, |
| 664 | .buffer_bytes_max = (128*1024), |
| 665 | .period_bytes_min = 64, |
| 666 | .period_bytes_max = (128*1024), |
| 667 | .periods_min = 1, |
| 668 | .periods_max = 1024, |
| 669 | .fifo_size = 0, |
| 670 | }; |
| 671 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 672 | static void snd_gf1_pcm_playback_free(struct snd_pcm_runtime *runtime) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | { |
Jesper Juhl | 4d57277 | 2005-05-30 17:30:32 +0200 | [diff] [blame] | 674 | kfree(runtime->private_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 675 | } |
| 676 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 677 | static int snd_gf1_pcm_playback_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 679 | struct gus_pcm_private *pcmp; |
| 680 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 681 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | int err; |
| 683 | |
Takashi Iwai | 9e76a76 | 2005-09-09 14:21:17 +0200 | [diff] [blame] | 684 | pcmp = kzalloc(sizeof(*pcmp), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | if (pcmp == NULL) |
| 686 | return -ENOMEM; |
| 687 | pcmp->gus = gus; |
| 688 | spin_lock_init(&pcmp->lock); |
| 689 | init_waitqueue_head(&pcmp->sleep); |
| 690 | atomic_set(&pcmp->dma_count, 0); |
| 691 | |
| 692 | runtime->private_data = pcmp; |
| 693 | runtime->private_free = snd_gf1_pcm_playback_free; |
| 694 | |
| 695 | #if 0 |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 696 | printk(KERN_DEBUG "playback.buffer = 0x%lx, gf1.pcm_buffer = 0x%lx\n", |
| 697 | (long) pcm->playback.buffer, (long) gus->gf1.pcm_buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 698 | #endif |
| 699 | if ((err = snd_gf1_dma_init(gus)) < 0) |
| 700 | return err; |
| 701 | pcmp->flags = SNDRV_GF1_PCM_PFLG_NONE; |
| 702 | pcmp->substream = substream; |
| 703 | runtime->hw = snd_gf1_pcm_playback; |
| 704 | snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.buffer_bytes_max); |
| 705 | snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.period_bytes_max); |
| 706 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64); |
| 707 | return 0; |
| 708 | } |
| 709 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 710 | static int snd_gf1_pcm_playback_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 712 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 713 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 714 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 715 | |
| 716 | 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] | 717 | snd_printk(KERN_ERR "gf1 pcm - serious DMA problem\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | |
| 719 | snd_gf1_dma_done(gus); |
| 720 | return 0; |
| 721 | } |
| 722 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 723 | static int snd_gf1_pcm_capture_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 724 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 725 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 726 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | |
| 728 | gus->gf1.interrupt_handler_dma_read = snd_gf1_pcm_interrupt_dma_read; |
| 729 | gus->pcm_cap_substream = substream; |
| 730 | substream->runtime->hw = snd_gf1_pcm_capture; |
| 731 | snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.buffer_bytes_max); |
| 732 | snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.period_bytes_max); |
| 733 | snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
| 734 | &hw_constraints_clocks); |
| 735 | return 0; |
| 736 | } |
| 737 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 738 | static int snd_gf1_pcm_capture_close(struct snd_pcm_substream *substream) |
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_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | |
| 742 | gus->pcm_cap_substream = NULL; |
| 743 | snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_DMA_READ); |
| 744 | return 0; |
| 745 | } |
| 746 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 747 | 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] | 748 | { |
| 749 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 750 | uinfo->count = 2; |
| 751 | uinfo->value.integer.min = 0; |
| 752 | uinfo->value.integer.max = 127; |
| 753 | return 0; |
| 754 | } |
| 755 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 756 | 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] | 757 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 758 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | unsigned long flags; |
| 760 | |
| 761 | spin_lock_irqsave(&gus->pcm_volume_level_lock, flags); |
| 762 | ucontrol->value.integer.value[0] = gus->gf1.pcm_volume_level_left1; |
| 763 | ucontrol->value.integer.value[1] = gus->gf1.pcm_volume_level_right1; |
| 764 | spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags); |
| 765 | return 0; |
| 766 | } |
| 767 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 768 | 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] | 769 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 770 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 771 | unsigned long flags; |
| 772 | int change; |
| 773 | unsigned int idx; |
| 774 | unsigned short val1, val2, vol; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 775 | struct gus_pcm_private *pcmp; |
| 776 | struct snd_gus_voice *pvoice; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 777 | |
| 778 | val1 = ucontrol->value.integer.value[0] & 127; |
| 779 | val2 = ucontrol->value.integer.value[1] & 127; |
| 780 | spin_lock_irqsave(&gus->pcm_volume_level_lock, flags); |
| 781 | change = val1 != gus->gf1.pcm_volume_level_left1 || |
| 782 | val2 != gus->gf1.pcm_volume_level_right1; |
| 783 | gus->gf1.pcm_volume_level_left1 = val1; |
| 784 | gus->gf1.pcm_volume_level_right1 = val2; |
| 785 | gus->gf1.pcm_volume_level_left = snd_gf1_lvol_to_gvol_raw(val1 << 9) << 4; |
| 786 | gus->gf1.pcm_volume_level_right = snd_gf1_lvol_to_gvol_raw(val2 << 9) << 4; |
| 787 | spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags); |
| 788 | /* are we active? */ |
| 789 | spin_lock_irqsave(&gus->voice_alloc, flags); |
| 790 | for (idx = 0; idx < 32; idx++) { |
| 791 | pvoice = &gus->gf1.voices[idx]; |
| 792 | if (!pvoice->pcm) |
| 793 | continue; |
| 794 | pcmp = pvoice->private_data; |
| 795 | if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)) |
| 796 | continue; |
| 797 | /* load real volume - better precision */ |
| 798 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 799 | snd_gf1_select_voice(gus, pvoice->number); |
| 800 | snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); |
| 801 | vol = pvoice == pcmp->pvoices[0] ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 802 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol); |
| 803 | pcmp->final_volume = 1; |
| 804 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 805 | } |
| 806 | spin_unlock_irqrestore(&gus->voice_alloc, flags); |
| 807 | return change; |
| 808 | } |
| 809 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 810 | static struct snd_kcontrol_new snd_gf1_pcm_volume_control = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | { |
| 812 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 813 | .name = "PCM Playback Volume", |
| 814 | .info = snd_gf1_pcm_volume_info, |
| 815 | .get = snd_gf1_pcm_volume_get, |
| 816 | .put = snd_gf1_pcm_volume_put |
| 817 | }; |
| 818 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 819 | static struct snd_kcontrol_new snd_gf1_pcm_volume_control1 = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 820 | { |
| 821 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 822 | .name = "GPCM Playback Volume", |
| 823 | .info = snd_gf1_pcm_volume_info, |
| 824 | .get = snd_gf1_pcm_volume_get, |
| 825 | .put = snd_gf1_pcm_volume_put |
| 826 | }; |
| 827 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 828 | static struct snd_pcm_ops snd_gf1_pcm_playback_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 829 | .open = snd_gf1_pcm_playback_open, |
| 830 | .close = snd_gf1_pcm_playback_close, |
| 831 | .ioctl = snd_pcm_lib_ioctl, |
| 832 | .hw_params = snd_gf1_pcm_playback_hw_params, |
| 833 | .hw_free = snd_gf1_pcm_playback_hw_free, |
| 834 | .prepare = snd_gf1_pcm_playback_prepare, |
| 835 | .trigger = snd_gf1_pcm_playback_trigger, |
| 836 | .pointer = snd_gf1_pcm_playback_pointer, |
| 837 | .copy = snd_gf1_pcm_playback_copy, |
| 838 | .silence = snd_gf1_pcm_playback_silence, |
| 839 | }; |
| 840 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 841 | static struct snd_pcm_ops snd_gf1_pcm_capture_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 842 | .open = snd_gf1_pcm_capture_open, |
| 843 | .close = snd_gf1_pcm_capture_close, |
| 844 | .ioctl = snd_pcm_lib_ioctl, |
| 845 | .hw_params = snd_gf1_pcm_capture_hw_params, |
| 846 | .hw_free = snd_gf1_pcm_capture_hw_free, |
| 847 | .prepare = snd_gf1_pcm_capture_prepare, |
| 848 | .trigger = snd_gf1_pcm_capture_trigger, |
| 849 | .pointer = snd_gf1_pcm_capture_pointer, |
| 850 | }; |
| 851 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 852 | 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] | 853 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 854 | struct snd_card *card; |
| 855 | struct snd_kcontrol *kctl; |
| 856 | struct snd_pcm *pcm; |
| 857 | struct snd_pcm_substream *substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | int capture, err; |
| 859 | |
| 860 | if (rpcm) |
| 861 | *rpcm = NULL; |
| 862 | card = gus->card; |
| 863 | capture = !gus->interwave && !gus->ess_flag && !gus->ace_flag ? 1 : 0; |
| 864 | err = snd_pcm_new(card, |
| 865 | gus->interwave ? "AMD InterWave" : "GF1", |
| 866 | pcm_dev, |
| 867 | gus->gf1.pcm_channels / 2, |
| 868 | capture, |
| 869 | &pcm); |
| 870 | if (err < 0) |
| 871 | return err; |
| 872 | pcm->private_data = gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | /* playback setup */ |
| 874 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_gf1_pcm_playback_ops); |
| 875 | |
| 876 | for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) |
| 877 | snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV, |
| 878 | snd_dma_isa_data(), |
| 879 | 64*1024, gus->gf1.dma1 > 3 ? 128*1024 : 64*1024); |
| 880 | |
| 881 | pcm->info_flags = 0; |
| 882 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; |
| 883 | if (capture) { |
| 884 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_gf1_pcm_capture_ops); |
| 885 | if (gus->gf1.dma2 == gus->gf1.dma1) |
| 886 | pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX; |
| 887 | snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, |
| 888 | SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(), |
| 889 | 64*1024, gus->gf1.dma2 > 3 ? 128*1024 : 64*1024); |
| 890 | } |
| 891 | strcpy(pcm->name, pcm->id); |
| 892 | if (gus->interwave) { |
| 893 | sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A'); |
| 894 | } |
| 895 | strcat(pcm->name, " (synth)"); |
| 896 | gus->pcm = pcm; |
| 897 | |
| 898 | if (gus->codec_flag) |
| 899 | kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control1, gus); |
| 900 | else |
| 901 | kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control, gus); |
| 902 | if ((err = snd_ctl_add(card, kctl)) < 0) |
| 903 | return err; |
| 904 | kctl->id.index = control_index; |
| 905 | |
| 906 | if (rpcm) |
| 907 | *rpcm = pcm; |
| 908 | return 0; |
| 909 | } |
| 910 | |