Thomas Gleixner | 1a59d1b8 | 2019-05-27 08:55:05 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
Jaroslav Kysela | c1017a4 | 2007-10-15 09:50:19 +0200 | [diff] [blame] | 3 | * Copyright (c) by Jaroslav Kysela <perex@perex.cz> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * Routines for control of GF1 chip (PCM things) |
| 5 | * |
| 6 | * InterWave chips supports interleaved DMA, but this feature isn't used in |
| 7 | * this code. |
| 8 | * |
| 9 | * This code emulates autoinit DMA transfer for playback, recording by GF1 |
| 10 | * chip doesn't support autoinit DMA. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | */ |
| 12 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #include <asm/dma.h> |
| 14 | #include <linux/slab.h> |
Ingo Molnar | 174cd4b | 2017-02-02 19:15:33 +0100 | [diff] [blame] | 15 | #include <linux/sched/signal.h> |
| 16 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #include <sound/core.h> |
| 18 | #include <sound/control.h> |
| 19 | #include <sound/gus.h> |
| 20 | #include <sound/pcm_params.h> |
| 21 | #include "gus_tables.h" |
| 22 | |
| 23 | /* maximum rate */ |
| 24 | |
| 25 | #define SNDRV_GF1_PCM_RATE 48000 |
| 26 | |
| 27 | #define SNDRV_GF1_PCM_PFLG_NONE 0 |
| 28 | #define SNDRV_GF1_PCM_PFLG_ACTIVE (1<<0) |
| 29 | #define SNDRV_GF1_PCM_PFLG_NEUTRAL (2<<0) |
| 30 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 31 | struct gus_pcm_private { |
| 32 | struct snd_gus_card * gus; |
| 33 | struct snd_pcm_substream *substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | spinlock_t lock; |
| 35 | unsigned int voices; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 36 | struct snd_gus_voice *pvoices[2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | unsigned int memory; |
| 38 | unsigned short flags; |
| 39 | unsigned char voice_ctrl, ramp_ctrl; |
| 40 | unsigned int bpos; |
| 41 | unsigned int blocks; |
| 42 | unsigned int block_size; |
| 43 | unsigned int dma_size; |
| 44 | wait_queue_head_t sleep; |
| 45 | atomic_t dma_count; |
| 46 | int final_volume; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 47 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 49 | 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] | 50 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 51 | struct gus_pcm_private *pcmp = private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
| 53 | if (pcmp) { |
| 54 | atomic_dec(&pcmp->dma_count); |
| 55 | wake_up(&pcmp->sleep); |
| 56 | } |
| 57 | } |
| 58 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 59 | static int snd_gf1_pcm_block_change(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | unsigned int offset, |
| 61 | unsigned int addr, |
| 62 | unsigned int count) |
| 63 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 64 | struct snd_gf1_dma_block block; |
| 65 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 66 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
| 68 | count += offset & 31; |
| 69 | offset &= ~31; |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 70 | /* |
| 71 | snd_printk(KERN_DEBUG "block change - offset = 0x%x, count = 0x%x\n", |
| 72 | offset, count); |
| 73 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | memset(&block, 0, sizeof(block)); |
| 75 | block.cmd = SNDRV_GF1_DMA_IRQ; |
| 76 | if (snd_pcm_format_unsigned(runtime->format)) |
| 77 | block.cmd |= SNDRV_GF1_DMA_UNSIGNED; |
| 78 | if (snd_pcm_format_width(runtime->format) == 16) |
| 79 | block.cmd |= SNDRV_GF1_DMA_16BIT; |
| 80 | block.addr = addr & ~31; |
| 81 | block.buffer = runtime->dma_area + offset; |
| 82 | block.buf_addr = runtime->dma_addr + offset; |
| 83 | block.count = count; |
| 84 | block.private_data = pcmp; |
| 85 | block.ack = snd_gf1_pcm_block_change_ack; |
| 86 | if (!snd_gf1_dma_transfer_block(pcmp->gus, &block, 0, 0)) |
| 87 | atomic_inc(&pcmp->dma_count); |
| 88 | return 0; |
| 89 | } |
| 90 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 91 | static void snd_gf1_pcm_trigger_up(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 93 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 94 | struct gus_pcm_private *pcmp = runtime->private_data; |
| 95 | struct snd_gus_card * gus = pcmp->gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | unsigned long flags; |
| 97 | unsigned char voice_ctrl, ramp_ctrl; |
| 98 | unsigned short rate; |
| 99 | unsigned int curr, begin, end; |
| 100 | unsigned short vol; |
| 101 | unsigned char pan; |
| 102 | unsigned int voice; |
| 103 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | spin_lock_irqsave(&pcmp->lock, flags); |
| 105 | if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) { |
| 106 | spin_unlock_irqrestore(&pcmp->lock, flags); |
| 107 | return; |
| 108 | } |
| 109 | pcmp->flags |= SNDRV_GF1_PCM_PFLG_ACTIVE; |
| 110 | pcmp->final_volume = 0; |
| 111 | spin_unlock_irqrestore(&pcmp->lock, flags); |
| 112 | rate = snd_gf1_translate_freq(gus, runtime->rate << 4); |
| 113 | /* enable WAVE IRQ */ |
| 114 | voice_ctrl = snd_pcm_format_width(runtime->format) == 16 ? 0x24 : 0x20; |
| 115 | /* enable RAMP IRQ + rollover */ |
| 116 | ramp_ctrl = 0x24; |
| 117 | if (pcmp->blocks == 1) { |
| 118 | voice_ctrl |= 0x08; /* loop enable */ |
| 119 | ramp_ctrl &= ~0x04; /* disable rollover */ |
| 120 | } |
| 121 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 122 | begin = pcmp->memory + voice * (pcmp->dma_size / runtime->channels); |
| 123 | curr = begin + (pcmp->bpos * pcmp->block_size) / runtime->channels; |
| 124 | end = curr + (pcmp->block_size / runtime->channels); |
| 125 | end -= snd_pcm_format_width(runtime->format) == 16 ? 2 : 1; |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 126 | /* |
| 127 | snd_printk(KERN_DEBUG "init: curr=0x%x, begin=0x%x, end=0x%x, " |
| 128 | "ctrl=0x%x, ramp=0x%x, rate=0x%x\n", |
| 129 | curr, begin, end, voice_ctrl, ramp_ctrl, rate); |
| 130 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | pan = runtime->channels == 2 ? (!voice ? 1 : 14) : 8; |
| 132 | vol = !voice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 133 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 134 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 135 | snd_gf1_write8(gus, SNDRV_GF1_VB_PAN, pan); |
| 136 | snd_gf1_write16(gus, SNDRV_GF1_VW_FREQUENCY, rate); |
| 137 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_START, begin << 4, voice_ctrl & 4); |
| 138 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4); |
| 139 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_CURRENT, curr << 4, voice_ctrl & 4); |
| 140 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, SNDRV_GF1_MIN_VOLUME << 4); |
| 141 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_RATE, 0x2f); |
| 142 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_START, SNDRV_GF1_MIN_OFFSET); |
| 143 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_END, vol >> 8); |
| 144 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 145 | if (!gus->gf1.enh_mode) { |
| 146 | snd_gf1_delay(gus); |
| 147 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 148 | } |
| 149 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 150 | } |
| 151 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 152 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 153 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 154 | if (gus->gf1.enh_mode) |
| 155 | snd_gf1_write8(gus, SNDRV_GF1_VB_MODE, 0x00); /* deactivate voice */ |
| 156 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 157 | voice_ctrl &= ~0x20; |
| 158 | } |
| 159 | voice_ctrl |= 0x20; |
| 160 | if (!gus->gf1.enh_mode) { |
| 161 | snd_gf1_delay(gus); |
| 162 | for (voice = 0; voice < pcmp->voices; voice++) { |
| 163 | snd_gf1_select_voice(gus, pcmp->pvoices[voice]->number); |
| 164 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 165 | voice_ctrl &= ~0x20; /* disable IRQ for next voice */ |
| 166 | } |
| 167 | } |
| 168 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 169 | } |
| 170 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 171 | static void snd_gf1_pcm_interrupt_wave(struct snd_gus_card * gus, |
| 172 | struct snd_gus_voice *pvoice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 174 | struct gus_pcm_private * pcmp; |
| 175 | struct snd_pcm_runtime *runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | unsigned char voice_ctrl, ramp_ctrl; |
| 177 | unsigned int idx; |
| 178 | unsigned int end, step; |
| 179 | |
| 180 | if (!pvoice->private_data) { |
| 181 | snd_printd("snd_gf1_pcm: unknown wave irq?\n"); |
| 182 | snd_gf1_smart_stop_voice(gus, pvoice->number); |
| 183 | return; |
| 184 | } |
| 185 | pcmp = pvoice->private_data; |
| 186 | if (pcmp == NULL) { |
| 187 | snd_printd("snd_gf1_pcm: unknown wave irq?\n"); |
| 188 | snd_gf1_smart_stop_voice(gus, pvoice->number); |
| 189 | return; |
| 190 | } |
| 191 | gus = pcmp->gus; |
| 192 | runtime = pcmp->substream->runtime; |
| 193 | |
| 194 | spin_lock(&gus->reg_lock); |
| 195 | snd_gf1_select_voice(gus, pvoice->number); |
| 196 | voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL) & ~0x8b; |
| 197 | ramp_ctrl = (snd_gf1_read8(gus, SNDRV_GF1_VB_VOLUME_CONTROL) & ~0xa4) | 0x03; |
| 198 | #if 0 |
| 199 | snd_gf1_select_voice(gus, pvoice->number); |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 200 | printk(KERN_DEBUG "position = 0x%x\n", |
| 201 | (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] | 202 | snd_gf1_select_voice(gus, pcmp->pvoices[1]->number); |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 203 | printk(KERN_DEBUG "position = 0x%x\n", |
| 204 | (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] | 205 | snd_gf1_select_voice(gus, pvoice->number); |
| 206 | #endif |
| 207 | pcmp->bpos++; |
| 208 | pcmp->bpos %= pcmp->blocks; |
| 209 | if (pcmp->bpos + 1 >= pcmp->blocks) { /* last block? */ |
| 210 | voice_ctrl |= 0x08; /* enable loop */ |
| 211 | } else { |
| 212 | ramp_ctrl |= 0x04; /* enable rollover */ |
| 213 | } |
| 214 | end = pcmp->memory + (((pcmp->bpos + 1) * pcmp->block_size) / runtime->channels); |
| 215 | end -= voice_ctrl & 4 ? 2 : 1; |
| 216 | step = pcmp->dma_size / runtime->channels; |
| 217 | voice_ctrl |= 0x20; |
| 218 | if (!pcmp->final_volume) { |
| 219 | ramp_ctrl |= 0x20; |
| 220 | ramp_ctrl &= ~0x03; |
| 221 | } |
| 222 | for (idx = 0; idx < pcmp->voices; idx++, end += step) { |
| 223 | snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number); |
| 224 | snd_gf1_write_addr(gus, SNDRV_GF1_VA_END, end << 4, voice_ctrl & 4); |
| 225 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 226 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 227 | voice_ctrl &= ~0x20; |
| 228 | } |
| 229 | if (!gus->gf1.enh_mode) { |
| 230 | snd_gf1_delay(gus); |
| 231 | voice_ctrl |= 0x20; |
| 232 | for (idx = 0; idx < pcmp->voices; idx++) { |
| 233 | snd_gf1_select_voice(gus, pcmp->pvoices[idx]->number); |
| 234 | snd_gf1_write8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL, voice_ctrl); |
| 235 | snd_gf1_write8(gus, SNDRV_GF1_VB_VOLUME_CONTROL, ramp_ctrl); |
| 236 | voice_ctrl &= ~0x20; |
| 237 | } |
| 238 | } |
| 239 | spin_unlock(&gus->reg_lock); |
| 240 | |
| 241 | snd_pcm_period_elapsed(pcmp->substream); |
| 242 | #if 0 |
| 243 | if ((runtime->flags & SNDRV_PCM_FLG_MMAP) && |
| 244 | *runtime->state == SNDRV_PCM_STATE_RUNNING) { |
| 245 | end = pcmp->bpos * pcmp->block_size; |
| 246 | if (runtime->channels > 1) { |
| 247 | snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + (end / 2), pcmp->block_size / 2); |
| 248 | snd_gf1_pcm_block_change(pcmp->substream, end + (pcmp->block_size / 2), pcmp->memory + (pcmp->dma_size / 2) + (end / 2), pcmp->block_size / 2); |
| 249 | } else { |
| 250 | snd_gf1_pcm_block_change(pcmp->substream, end, pcmp->memory + end, pcmp->block_size); |
| 251 | } |
| 252 | } |
| 253 | #endif |
| 254 | } |
| 255 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 256 | static void snd_gf1_pcm_interrupt_volume(struct snd_gus_card * gus, |
| 257 | struct snd_gus_voice * pvoice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | { |
| 259 | unsigned short vol; |
| 260 | int cvoice; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 261 | struct gus_pcm_private *pcmp = pvoice->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | |
| 263 | /* stop ramp, but leave rollover bit untouched */ |
| 264 | spin_lock(&gus->reg_lock); |
| 265 | snd_gf1_select_voice(gus, pvoice->number); |
| 266 | snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); |
| 267 | spin_unlock(&gus->reg_lock); |
| 268 | if (pcmp == NULL) |
| 269 | return; |
| 270 | /* are we active? */ |
| 271 | if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)) |
| 272 | return; |
| 273 | /* load real volume - better precision */ |
| 274 | cvoice = pcmp->pvoices[0] == pvoice ? 0 : 1; |
| 275 | if (pcmp->substream == NULL) |
| 276 | return; |
| 277 | vol = !cvoice ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 278 | spin_lock(&gus->reg_lock); |
| 279 | snd_gf1_select_voice(gus, pvoice->number); |
| 280 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol); |
| 281 | pcmp->final_volume = 1; |
| 282 | spin_unlock(&gus->reg_lock); |
| 283 | } |
| 284 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 285 | static void snd_gf1_pcm_volume_change(struct snd_gus_card * gus) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | { |
| 287 | } |
| 288 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 289 | 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] | 290 | unsigned int pos, unsigned int count, |
| 291 | int w16, int invert) |
| 292 | { |
| 293 | unsigned int len; |
| 294 | unsigned long flags; |
| 295 | |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 296 | /* |
| 297 | printk(KERN_DEBUG |
| 298 | "poke block; buf = 0x%x, pos = %i, count = %i, port = 0x%x\n", |
| 299 | (int)buf, pos, count, gus->gf1.port); |
| 300 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | while (count > 0) { |
| 302 | len = count; |
| 303 | if (len > 512) /* limit, to allow IRQ */ |
| 304 | len = 512; |
| 305 | count -= len; |
| 306 | if (gus->interwave) { |
| 307 | spin_lock_irqsave(&gus->reg_lock, flags); |
| 308 | snd_gf1_write8(gus, SNDRV_GF1_GB_MEMORY_CONTROL, 0x01 | (invert ? 0x08 : 0x00)); |
| 309 | snd_gf1_dram_addr(gus, pos); |
| 310 | if (w16) { |
| 311 | outb(SNDRV_GF1_GW_DRAM_IO16, GUSP(gus, GF1REGSEL)); |
| 312 | outsw(GUSP(gus, GF1DATALOW), buf, len >> 1); |
| 313 | } else { |
| 314 | outsb(GUSP(gus, DRAM), buf, len); |
| 315 | } |
| 316 | spin_unlock_irqrestore(&gus->reg_lock, flags); |
| 317 | buf += 512; |
| 318 | pos += 512; |
| 319 | } else { |
| 320 | invert = invert ? 0x80 : 0x00; |
| 321 | if (w16) { |
| 322 | len >>= 1; |
| 323 | while (len--) { |
| 324 | snd_gf1_poke(gus, pos++, *buf++); |
| 325 | snd_gf1_poke(gus, pos++, *buf++ ^ invert); |
| 326 | } |
| 327 | } else { |
| 328 | while (len--) |
| 329 | snd_gf1_poke(gus, pos++, *buf++ ^ invert); |
| 330 | } |
| 331 | } |
| 332 | if (count > 0 && !in_interrupt()) { |
Nishanth Aravamudan | 8433a50 | 2005-10-24 15:02:37 +0200 | [diff] [blame] | 333 | schedule_timeout_interruptible(1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | if (signal_pending(current)) |
| 335 | return -EAGAIN; |
| 336 | } |
| 337 | } |
| 338 | return 0; |
| 339 | } |
| 340 | |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 341 | static int get_bpos(struct gus_pcm_private *pcmp, int voice, unsigned int pos, |
| 342 | unsigned int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | { |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 344 | unsigned int bpos = pos + (voice * (pcmp->dma_size / 2)); |
Takashi Iwai | 622207d | 2008-08-08 17:11:45 +0200 | [diff] [blame] | 345 | if (snd_BUG_ON(bpos > pcmp->dma_size)) |
| 346 | return -EIO; |
| 347 | if (snd_BUG_ON(bpos + len > pcmp->dma_size)) |
| 348 | return -EIO; |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 349 | return bpos; |
| 350 | } |
| 351 | |
| 352 | static int playback_copy_ack(struct snd_pcm_substream *substream, |
| 353 | unsigned int bpos, unsigned int len) |
| 354 | { |
| 355 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 356 | struct gus_pcm_private *pcmp = runtime->private_data; |
| 357 | struct snd_gus_card *gus = pcmp->gus; |
| 358 | int w16, invert; |
| 359 | |
Takashi Sakamoto | 097a7fe | 2017-05-23 22:40:20 +0900 | [diff] [blame] | 360 | if (len > 32) |
| 361 | return snd_gf1_pcm_block_change(substream, bpos, |
| 362 | pcmp->memory + bpos, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | |
Takashi Sakamoto | 097a7fe | 2017-05-23 22:40:20 +0900 | [diff] [blame] | 364 | w16 = (snd_pcm_format_width(runtime->format) == 16); |
| 365 | invert = snd_pcm_format_unsigned(runtime->format); |
| 366 | return snd_gf1_pcm_poke_block(gus, runtime->dma_area + bpos, |
| 367 | pcmp->memory + bpos, len, w16, invert); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | } |
| 369 | |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 370 | static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream, |
| 371 | int voice, unsigned long pos, |
Takashi Iwai | e2964cd | 2023-08-15 21:01:16 +0200 | [diff] [blame] | 372 | struct iov_iter *src, unsigned long count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 374 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 375 | struct gus_pcm_private *pcmp = runtime->private_data; |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 376 | unsigned int len = count; |
| 377 | int bpos; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 379 | bpos = get_bpos(pcmp, voice, pos, len); |
| 380 | if (bpos < 0) |
| 381 | return pos; |
Takashi Iwai | e2964cd | 2023-08-15 21:01:16 +0200 | [diff] [blame] | 382 | if (copy_from_iter(runtime->dma_area + bpos, len, src) != len) |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 383 | return -EFAULT; |
| 384 | return playback_copy_ack(substream, bpos, len); |
| 385 | } |
| 386 | |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 387 | static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream, |
| 388 | int voice, unsigned long pos, |
| 389 | unsigned long count) |
| 390 | { |
| 391 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 392 | struct gus_pcm_private *pcmp = runtime->private_data; |
| 393 | unsigned int len = count; |
| 394 | int bpos; |
| 395 | |
| 396 | bpos = get_bpos(pcmp, voice, pos, len); |
| 397 | if (bpos < 0) |
| 398 | return pos; |
| 399 | snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos, |
| 400 | bytes_to_samples(runtime, count)); |
| 401 | return playback_copy_ack(substream, bpos, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | } |
| 403 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 404 | static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream, |
| 405 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 407 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 408 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 409 | struct gus_pcm_private *pcmp = runtime->private_data; |
Takashi Iwai | a57214e | 2019-12-09 10:48:47 +0100 | [diff] [blame] | 410 | |
| 411 | if (runtime->buffer_changed) { |
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 | } |
Takashi Iwai | 310efd3 | 2021-06-08 16:04:38 +0200 | [diff] [blame] | 417 | 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); |
| 422 | if (!block) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | return -ENOMEM; |
| 424 | pcmp->memory = block->ptr; |
| 425 | } |
| 426 | pcmp->voices = params_channels(hw_params); |
| 427 | if (pcmp->pvoices[0] == NULL) { |
Takashi Iwai | 310efd3 | 2021-06-08 16:04:38 +0200 | [diff] [blame] | 428 | pcmp->pvoices[0] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0); |
| 429 | if (!pcmp->pvoices[0]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | return -ENOMEM; |
| 431 | pcmp->pvoices[0]->handler_wave = snd_gf1_pcm_interrupt_wave; |
| 432 | pcmp->pvoices[0]->handler_volume = snd_gf1_pcm_interrupt_volume; |
| 433 | pcmp->pvoices[0]->volume_change = snd_gf1_pcm_volume_change; |
| 434 | pcmp->pvoices[0]->private_data = pcmp; |
| 435 | } |
| 436 | if (pcmp->voices > 1 && pcmp->pvoices[1] == NULL) { |
Takashi Iwai | 310efd3 | 2021-06-08 16:04:38 +0200 | [diff] [blame] | 437 | pcmp->pvoices[1] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0); |
| 438 | if (!pcmp->pvoices[1]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | return -ENOMEM; |
| 440 | pcmp->pvoices[1]->handler_wave = snd_gf1_pcm_interrupt_wave; |
| 441 | pcmp->pvoices[1]->handler_volume = snd_gf1_pcm_interrupt_volume; |
| 442 | pcmp->pvoices[1]->volume_change = snd_gf1_pcm_volume_change; |
| 443 | pcmp->pvoices[1]->private_data = pcmp; |
| 444 | } else if (pcmp->voices == 1) { |
| 445 | if (pcmp->pvoices[1]) { |
| 446 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]); |
| 447 | pcmp->pvoices[1] = NULL; |
| 448 | } |
| 449 | } |
| 450 | return 0; |
| 451 | } |
| 452 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 453 | 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] | 454 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 455 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 456 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | if (pcmp->pvoices[0]) { |
| 459 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[0]); |
| 460 | pcmp->pvoices[0] = NULL; |
| 461 | } |
| 462 | if (pcmp->pvoices[1]) { |
| 463 | snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[1]); |
| 464 | pcmp->pvoices[1] = NULL; |
| 465 | } |
| 466 | if (pcmp->memory > 0) { |
| 467 | snd_gf1_mem_free(&pcmp->gus->gf1.mem_alloc, pcmp->memory); |
| 468 | pcmp->memory = 0; |
| 469 | } |
| 470 | return 0; |
| 471 | } |
| 472 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 473 | static int snd_gf1_pcm_playback_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 475 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 476 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | |
| 478 | pcmp->bpos = 0; |
| 479 | pcmp->dma_size = snd_pcm_lib_buffer_bytes(substream); |
| 480 | pcmp->block_size = snd_pcm_lib_period_bytes(substream); |
| 481 | pcmp->blocks = pcmp->dma_size / pcmp->block_size; |
| 482 | return 0; |
| 483 | } |
| 484 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 485 | static int snd_gf1_pcm_playback_trigger(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | int cmd) |
| 487 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 488 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 489 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 490 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | int voice; |
| 492 | |
| 493 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
| 494 | snd_gf1_pcm_trigger_up(substream); |
| 495 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 496 | spin_lock(&pcmp->lock); |
| 497 | pcmp->flags &= ~SNDRV_GF1_PCM_PFLG_ACTIVE; |
| 498 | spin_unlock(&pcmp->lock); |
| 499 | voice = pcmp->pvoices[0]->number; |
| 500 | snd_gf1_stop_voices(gus, voice, voice); |
| 501 | if (pcmp->pvoices[1]) { |
| 502 | voice = pcmp->pvoices[1]->number; |
| 503 | snd_gf1_stop_voices(gus, voice, voice); |
| 504 | } |
| 505 | } else { |
| 506 | return -EINVAL; |
| 507 | } |
| 508 | return 0; |
| 509 | } |
| 510 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 511 | 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] | 512 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 513 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 514 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 515 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | unsigned int pos; |
| 517 | unsigned char voice_ctrl; |
| 518 | |
| 519 | pos = 0; |
| 520 | spin_lock(&gus->reg_lock); |
| 521 | if (pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE) { |
| 522 | snd_gf1_select_voice(gus, pcmp->pvoices[0]->number); |
| 523 | voice_ctrl = snd_gf1_read8(gus, SNDRV_GF1_VB_ADDRESS_CONTROL); |
| 524 | pos = (snd_gf1_read_addr(gus, SNDRV_GF1_VA_CURRENT, voice_ctrl & 4) >> 4) - pcmp->memory; |
| 525 | if (substream->runtime->channels > 1) |
| 526 | pos <<= 1; |
| 527 | pos = bytes_to_frames(runtime, pos); |
| 528 | } |
| 529 | spin_unlock(&gus->reg_lock); |
| 530 | return pos; |
| 531 | } |
| 532 | |
Takashi Iwai | bfa516a | 2017-06-07 14:16:25 +0200 | [diff] [blame] | 533 | static const struct snd_ratnum clock = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | .num = 9878400/16, |
| 535 | .den_min = 2, |
| 536 | .den_max = 257, |
| 537 | .den_step = 1, |
| 538 | }; |
| 539 | |
Takashi Iwai | bfa516a | 2017-06-07 14:16:25 +0200 | [diff] [blame] | 540 | static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | .nrats = 1, |
| 542 | .rats = &clock, |
| 543 | }; |
| 544 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 545 | static int snd_gf1_pcm_capture_hw_params(struct snd_pcm_substream *substream, |
| 546 | struct snd_pcm_hw_params *hw_params) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 548 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | |
| 550 | gus->c_dma_size = params_buffer_bytes(hw_params); |
| 551 | gus->c_period_size = params_period_bytes(hw_params); |
| 552 | gus->c_pos = 0; |
| 553 | gus->gf1.pcm_rcntrl_reg = 0x21; /* IRQ at end, enable & start */ |
| 554 | if (params_channels(hw_params) > 1) |
| 555 | gus->gf1.pcm_rcntrl_reg |= 2; |
| 556 | if (gus->gf1.dma2 > 3) |
| 557 | gus->gf1.pcm_rcntrl_reg |= 4; |
| 558 | if (snd_pcm_format_unsigned(params_format(hw_params))) |
| 559 | gus->gf1.pcm_rcntrl_reg |= 0x80; |
Takashi Iwai | a57214e | 2019-12-09 10:48:47 +0100 | [diff] [blame] | 560 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 561 | } |
| 562 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 563 | static int snd_gf1_pcm_capture_prepare(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 565 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 566 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | |
| 568 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_RECORD_RATE, runtime->rate_den - 2); |
| 569 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */ |
| 570 | snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */ |
| 571 | snd_dma_program(gus->gf1.dma2, runtime->dma_addr, gus->c_period_size, DMA_MODE_READ); |
| 572 | return 0; |
| 573 | } |
| 574 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 575 | static int snd_gf1_pcm_capture_trigger(struct snd_pcm_substream *substream, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | int cmd) |
| 577 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 578 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | int val; |
| 580 | |
| 581 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
| 582 | val = gus->gf1.pcm_rcntrl_reg; |
| 583 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| 584 | val = 0; |
| 585 | } else { |
| 586 | return -EINVAL; |
| 587 | } |
| 588 | |
| 589 | spin_lock(&gus->reg_lock); |
| 590 | snd_gf1_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, val); |
| 591 | snd_gf1_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); |
| 592 | spin_unlock(&gus->reg_lock); |
| 593 | return 0; |
| 594 | } |
| 595 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 596 | 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] | 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 pos = snd_dma_pointer(gus->gf1.dma2, gus->c_period_size); |
| 600 | pos = bytes_to_frames(substream->runtime, (gus->c_pos + pos) % gus->c_dma_size); |
| 601 | return pos; |
| 602 | } |
| 603 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 604 | 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] | 605 | { |
| 606 | snd_gf1_i_write8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL, 0); /* disable sampling */ |
| 607 | snd_gf1_i_look8(gus, SNDRV_GF1_GB_REC_DMA_CONTROL); /* Sampling Control Register */ |
| 608 | if (gus->pcm_cap_substream != NULL) { |
| 609 | snd_gf1_pcm_capture_prepare(gus->pcm_cap_substream); |
| 610 | snd_gf1_pcm_capture_trigger(gus->pcm_cap_substream, SNDRV_PCM_TRIGGER_START); |
| 611 | gus->c_pos += gus->c_period_size; |
| 612 | snd_pcm_period_elapsed(gus->pcm_cap_substream); |
| 613 | } |
| 614 | } |
| 615 | |
Bhumika Goyal | aec5465 | 2017-08-17 14:45:52 +0530 | [diff] [blame] | 616 | static const struct snd_pcm_hardware snd_gf1_pcm_playback = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | { |
| 618 | .info = SNDRV_PCM_INFO_NONINTERLEAVED, |
| 619 | .formats = (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | |
| 620 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE), |
| 621 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
| 622 | .rate_min = 5510, |
| 623 | .rate_max = 48000, |
| 624 | .channels_min = 1, |
| 625 | .channels_max = 2, |
| 626 | .buffer_bytes_max = (128*1024), |
| 627 | .period_bytes_min = 64, |
| 628 | .period_bytes_max = (128*1024), |
| 629 | .periods_min = 1, |
| 630 | .periods_max = 1024, |
| 631 | .fifo_size = 0, |
| 632 | }; |
| 633 | |
Bhumika Goyal | aec5465 | 2017-08-17 14:45:52 +0530 | [diff] [blame] | 634 | static const struct snd_pcm_hardware snd_gf1_pcm_capture = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | { |
| 636 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 637 | SNDRV_PCM_INFO_MMAP_VALID), |
| 638 | .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8, |
| 639 | .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_44100, |
| 640 | .rate_min = 5510, |
| 641 | .rate_max = 44100, |
| 642 | .channels_min = 1, |
| 643 | .channels_max = 2, |
| 644 | .buffer_bytes_max = (128*1024), |
| 645 | .period_bytes_min = 64, |
| 646 | .period_bytes_max = (128*1024), |
| 647 | .periods_min = 1, |
| 648 | .periods_max = 1024, |
| 649 | .fifo_size = 0, |
| 650 | }; |
| 651 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 652 | static void snd_gf1_pcm_playback_free(struct snd_pcm_runtime *runtime) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | { |
Jesper Juhl | 4d57277 | 2005-05-30 17:30:32 +0200 | [diff] [blame] | 654 | kfree(runtime->private_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | } |
| 656 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 657 | static int snd_gf1_pcm_playback_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 659 | struct gus_pcm_private *pcmp; |
| 660 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 661 | struct snd_pcm_runtime *runtime = substream->runtime; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | int err; |
| 663 | |
Takashi Iwai | 9e76a76 | 2005-09-09 14:21:17 +0200 | [diff] [blame] | 664 | pcmp = kzalloc(sizeof(*pcmp), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | if (pcmp == NULL) |
| 666 | return -ENOMEM; |
| 667 | pcmp->gus = gus; |
| 668 | spin_lock_init(&pcmp->lock); |
| 669 | init_waitqueue_head(&pcmp->sleep); |
| 670 | atomic_set(&pcmp->dma_count, 0); |
| 671 | |
| 672 | runtime->private_data = pcmp; |
| 673 | runtime->private_free = snd_gf1_pcm_playback_free; |
| 674 | |
| 675 | #if 0 |
Takashi Iwai | 91f0506 | 2009-02-05 15:46:48 +0100 | [diff] [blame] | 676 | printk(KERN_DEBUG "playback.buffer = 0x%lx, gf1.pcm_buffer = 0x%lx\n", |
| 677 | (long) pcm->playback.buffer, (long) gus->gf1.pcm_buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | #endif |
Takashi Iwai | 310efd3 | 2021-06-08 16:04:38 +0200 | [diff] [blame] | 679 | err = snd_gf1_dma_init(gus); |
| 680 | if (err < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | return err; |
| 682 | pcmp->flags = SNDRV_GF1_PCM_PFLG_NONE; |
| 683 | pcmp->substream = substream; |
| 684 | runtime->hw = snd_gf1_pcm_playback; |
| 685 | snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.buffer_bytes_max); |
| 686 | snd_pcm_limit_isa_dma_size(gus->gf1.dma1, &runtime->hw.period_bytes_max); |
| 687 | snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64); |
| 688 | return 0; |
| 689 | } |
| 690 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 691 | static int snd_gf1_pcm_playback_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 693 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
| 694 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 695 | struct gus_pcm_private *pcmp = runtime->private_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 696 | |
| 697 | 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] | 698 | snd_printk(KERN_ERR "gf1 pcm - serious DMA problem\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | |
| 700 | snd_gf1_dma_done(gus); |
| 701 | return 0; |
| 702 | } |
| 703 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 704 | static int snd_gf1_pcm_capture_open(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 705 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 706 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 707 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | |
| 709 | gus->gf1.interrupt_handler_dma_read = snd_gf1_pcm_interrupt_dma_read; |
| 710 | gus->pcm_cap_substream = substream; |
| 711 | substream->runtime->hw = snd_gf1_pcm_capture; |
| 712 | snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.buffer_bytes_max); |
| 713 | snd_pcm_limit_isa_dma_size(gus->gf1.dma2, &runtime->hw.period_bytes_max); |
| 714 | snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
| 715 | &hw_constraints_clocks); |
| 716 | return 0; |
| 717 | } |
| 718 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 719 | static int snd_gf1_pcm_capture_close(struct snd_pcm_substream *substream) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 721 | struct snd_gus_card *gus = snd_pcm_substream_chip(substream); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | |
| 723 | gus->pcm_cap_substream = NULL; |
| 724 | snd_gf1_set_default_handlers(gus, SNDRV_GF1_HANDLER_DMA_READ); |
| 725 | return 0; |
| 726 | } |
| 727 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 728 | 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] | 729 | { |
| 730 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 731 | uinfo->count = 2; |
| 732 | uinfo->value.integer.min = 0; |
| 733 | uinfo->value.integer.max = 127; |
| 734 | return 0; |
| 735 | } |
| 736 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 737 | 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] | 738 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 739 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | unsigned long flags; |
| 741 | |
| 742 | spin_lock_irqsave(&gus->pcm_volume_level_lock, flags); |
| 743 | ucontrol->value.integer.value[0] = gus->gf1.pcm_volume_level_left1; |
| 744 | ucontrol->value.integer.value[1] = gus->gf1.pcm_volume_level_right1; |
| 745 | spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags); |
| 746 | return 0; |
| 747 | } |
| 748 | |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 749 | 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] | 750 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 751 | struct snd_gus_card *gus = snd_kcontrol_chip(kcontrol); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 752 | unsigned long flags; |
| 753 | int change; |
| 754 | unsigned int idx; |
| 755 | unsigned short val1, val2, vol; |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 756 | struct gus_pcm_private *pcmp; |
| 757 | struct snd_gus_voice *pvoice; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 758 | |
| 759 | val1 = ucontrol->value.integer.value[0] & 127; |
| 760 | val2 = ucontrol->value.integer.value[1] & 127; |
| 761 | spin_lock_irqsave(&gus->pcm_volume_level_lock, flags); |
| 762 | change = val1 != gus->gf1.pcm_volume_level_left1 || |
| 763 | val2 != gus->gf1.pcm_volume_level_right1; |
| 764 | gus->gf1.pcm_volume_level_left1 = val1; |
| 765 | gus->gf1.pcm_volume_level_right1 = val2; |
| 766 | gus->gf1.pcm_volume_level_left = snd_gf1_lvol_to_gvol_raw(val1 << 9) << 4; |
| 767 | gus->gf1.pcm_volume_level_right = snd_gf1_lvol_to_gvol_raw(val2 << 9) << 4; |
| 768 | spin_unlock_irqrestore(&gus->pcm_volume_level_lock, flags); |
| 769 | /* are we active? */ |
| 770 | spin_lock_irqsave(&gus->voice_alloc, flags); |
| 771 | for (idx = 0; idx < 32; idx++) { |
| 772 | pvoice = &gus->gf1.voices[idx]; |
| 773 | if (!pvoice->pcm) |
| 774 | continue; |
| 775 | pcmp = pvoice->private_data; |
| 776 | if (!(pcmp->flags & SNDRV_GF1_PCM_PFLG_ACTIVE)) |
| 777 | continue; |
| 778 | /* load real volume - better precision */ |
Julia Lawall | fcb2954 | 2009-07-18 17:26:14 +0200 | [diff] [blame] | 779 | spin_lock(&gus->reg_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 780 | snd_gf1_select_voice(gus, pvoice->number); |
| 781 | snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL); |
| 782 | vol = pvoice == pcmp->pvoices[0] ? gus->gf1.pcm_volume_level_left : gus->gf1.pcm_volume_level_right; |
| 783 | snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, vol); |
| 784 | pcmp->final_volume = 1; |
Julia Lawall | fcb2954 | 2009-07-18 17:26:14 +0200 | [diff] [blame] | 785 | spin_unlock(&gus->reg_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | } |
| 787 | spin_unlock_irqrestore(&gus->voice_alloc, flags); |
| 788 | return change; |
| 789 | } |
| 790 | |
Bhumika Goyal | 3a84d6c | 2017-05-17 17:08:56 +0530 | [diff] [blame] | 791 | static const struct snd_kcontrol_new snd_gf1_pcm_volume_control = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | { |
| 793 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 794 | .name = "PCM Playback Volume", |
| 795 | .info = snd_gf1_pcm_volume_info, |
| 796 | .get = snd_gf1_pcm_volume_get, |
| 797 | .put = snd_gf1_pcm_volume_put |
| 798 | }; |
| 799 | |
Bhumika Goyal | 3a84d6c | 2017-05-17 17:08:56 +0530 | [diff] [blame] | 800 | static const struct snd_kcontrol_new snd_gf1_pcm_volume_control1 = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 801 | { |
| 802 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
| 803 | .name = "GPCM Playback Volume", |
| 804 | .info = snd_gf1_pcm_volume_info, |
| 805 | .get = snd_gf1_pcm_volume_get, |
| 806 | .put = snd_gf1_pcm_volume_put |
| 807 | }; |
| 808 | |
Arvind Yadav | ca58ba6c | 2017-08-11 17:28:02 +0530 | [diff] [blame] | 809 | static const struct snd_pcm_ops snd_gf1_pcm_playback_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | .open = snd_gf1_pcm_playback_open, |
| 811 | .close = snd_gf1_pcm_playback_close, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | .hw_params = snd_gf1_pcm_playback_hw_params, |
| 813 | .hw_free = snd_gf1_pcm_playback_hw_free, |
| 814 | .prepare = snd_gf1_pcm_playback_prepare, |
| 815 | .trigger = snd_gf1_pcm_playback_trigger, |
| 816 | .pointer = snd_gf1_pcm_playback_pointer, |
Takashi Iwai | e2964cd | 2023-08-15 21:01:16 +0200 | [diff] [blame] | 817 | .copy = snd_gf1_pcm_playback_copy, |
Takashi Iwai | a6970bb | 2017-05-10 20:33:05 +0200 | [diff] [blame] | 818 | .fill_silence = snd_gf1_pcm_playback_silence, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | }; |
| 820 | |
Arvind Yadav | ca58ba6c | 2017-08-11 17:28:02 +0530 | [diff] [blame] | 821 | static const struct snd_pcm_ops snd_gf1_pcm_capture_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 822 | .open = snd_gf1_pcm_capture_open, |
| 823 | .close = snd_gf1_pcm_capture_close, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | .hw_params = snd_gf1_pcm_capture_hw_params, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | .prepare = snd_gf1_pcm_capture_prepare, |
| 826 | .trigger = snd_gf1_pcm_capture_trigger, |
| 827 | .pointer = snd_gf1_pcm_capture_pointer, |
| 828 | }; |
| 829 | |
Lars-Peter Clausen | db5abb3 | 2015-01-02 12:24:39 +0100 | [diff] [blame] | 830 | int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | { |
Takashi Iwai | 5e2da20 | 2005-11-17 14:36:44 +0100 | [diff] [blame] | 832 | struct snd_card *card; |
| 833 | struct snd_kcontrol *kctl; |
| 834 | struct snd_pcm *pcm; |
| 835 | struct snd_pcm_substream *substream; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | int capture, err; |
| 837 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | card = gus->card; |
| 839 | capture = !gus->interwave && !gus->ess_flag && !gus->ace_flag ? 1 : 0; |
| 840 | err = snd_pcm_new(card, |
| 841 | gus->interwave ? "AMD InterWave" : "GF1", |
| 842 | pcm_dev, |
| 843 | gus->gf1.pcm_channels / 2, |
| 844 | capture, |
| 845 | &pcm); |
| 846 | if (err < 0) |
| 847 | return err; |
| 848 | pcm->private_data = gus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | /* playback setup */ |
| 850 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_gf1_pcm_playback_ops); |
| 851 | |
| 852 | for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next) |
Takashi Iwai | a57214e | 2019-12-09 10:48:47 +0100 | [diff] [blame] | 853 | snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV, |
| 854 | card->dev, |
| 855 | 64*1024, gus->gf1.dma1 > 3 ? 128*1024 : 64*1024); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 856 | |
| 857 | pcm->info_flags = 0; |
| 858 | pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; |
| 859 | if (capture) { |
| 860 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_gf1_pcm_capture_ops); |
| 861 | if (gus->gf1.dma2 == gus->gf1.dma1) |
| 862 | pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX; |
Takashi Iwai | a57214e | 2019-12-09 10:48:47 +0100 | [diff] [blame] | 863 | snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, |
| 864 | SNDRV_DMA_TYPE_DEV, card->dev, |
| 865 | 64*1024, gus->gf1.dma2 > 3 ? 128*1024 : 64*1024); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 866 | } |
| 867 | strcpy(pcm->name, pcm->id); |
| 868 | if (gus->interwave) { |
| 869 | sprintf(pcm->name + strlen(pcm->name), " rev %c", gus->revision + 'A'); |
| 870 | } |
| 871 | strcat(pcm->name, " (synth)"); |
| 872 | gus->pcm = pcm; |
| 873 | |
| 874 | if (gus->codec_flag) |
| 875 | kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control1, gus); |
| 876 | else |
| 877 | kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control, gus); |
Takashi Iwai | c5ae57b | 2023-06-06 11:38:54 +0200 | [diff] [blame] | 878 | kctl->id.index = control_index; |
Takashi Iwai | 310efd3 | 2021-06-08 16:04:38 +0200 | [diff] [blame] | 879 | err = snd_ctl_add(card, kctl); |
| 880 | if (err < 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 882 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 883 | return 0; |
| 884 | } |
| 885 | |