Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 1 | /* |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 2 | * SAA713x ALSA support for V4L |
| 3 | * Ricardo Cerqueira <v4l@cerqueira.org> |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 4 | * |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 5 | * |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 6 | * Caveats: |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 7 | * - Volume doesn't work (it's always at max) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 8 | * |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation, version 2 |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 22 | */ |
| 23 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 24 | #include <sound/driver.h> |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 25 | #include <linux/init.h> |
| 26 | #include <linux/slab.h> |
| 27 | #include <linux/time.h> |
| 28 | #include <linux/wait.h> |
| 29 | #include <linux/moduleparam.h> |
| 30 | #include <linux/module.h> |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 31 | #include <sound/core.h> |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 32 | #include <sound/control.h> |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 33 | #include <sound/pcm.h> |
| 34 | #include <sound/rawmidi.h> |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 35 | #include <sound/initval.h> |
| 36 | |
| 37 | #include "saa7134.h" |
| 38 | #include "saa7134-reg.h" |
| 39 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 40 | static unsigned int alsa_debug = 0; |
| 41 | module_param(alsa_debug, int, 0644); |
| 42 | MODULE_PARM_DESC(alsa_debug,"enable debug messages [alsa]"); |
| 43 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 44 | /* |
| 45 | * Configuration macros |
| 46 | */ |
| 47 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 48 | #define MAX_PCM_DEVICES 1 |
| 49 | #define MAX_PCM_SUBSTREAMS 1 |
| 50 | |
| 51 | /* defaults */ |
| 52 | #define MAX_BUFFER_SIZE (256*1024) |
| 53 | #define USE_FORMATS SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE |
| 54 | #define USE_RATE SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |
| 55 | #define USE_RATE_MIN 32000 |
| 56 | #define USE_RATE_MAX 48000 |
| 57 | #define USE_CHANNELS_MIN 1 |
| 58 | #define USE_CHANNELS_MAX 2 |
| 59 | #ifndef USE_PERIODS_MIN |
| 60 | #define USE_PERIODS_MIN 2 |
| 61 | #endif |
| 62 | #ifndef USE_PERIODS_MAX |
| 63 | #define USE_PERIODS_MAX 1024 |
| 64 | #endif |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 65 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 66 | #define MIXER_ADDR_TVTUNER 0 |
| 67 | #define MIXER_ADDR_LINE1 1 |
| 68 | #define MIXER_ADDR_LINE2 2 |
| 69 | #define MIXER_ADDR_LAST 2 |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 70 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 71 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| 72 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| 73 | static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0}; |
| 74 | |
| 75 | #define dprintk(fmt, arg...) if (alsa_debug) \ |
| 76 | printk(KERN_DEBUG "%s/alsa: " fmt, dev->name , ## arg) |
| 77 | |
| 78 | /* |
| 79 | * Main chip structure |
| 80 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 81 | typedef struct snd_card_saa7134 { |
| 82 | snd_card_t *card; |
| 83 | spinlock_t mixer_lock; |
| 84 | int mixer_volume[MIXER_ADDR_LAST+1][2]; |
| 85 | int capture_source[MIXER_ADDR_LAST+1][2]; |
| 86 | struct pci_dev *pci; |
| 87 | struct saa7134_dev *saadev; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 88 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 89 | unsigned long iobase; |
| 90 | int irq; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 91 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 92 | spinlock_t lock; |
| 93 | } snd_card_saa7134_t; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 94 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 95 | /* |
| 96 | * PCM structure |
| 97 | */ |
| 98 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 99 | typedef struct snd_card_saa7134_pcm { |
| 100 | struct saa7134_dev *saadev; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 101 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 102 | spinlock_t lock; |
| 103 | unsigned int pcm_size; /* buffer size */ |
| 104 | unsigned int pcm_count; /* bytes per period */ |
| 105 | unsigned int pcm_bps; /* bytes per second */ |
| 106 | snd_pcm_substream_t *substream; |
| 107 | } snd_card_saa7134_pcm_t; |
| 108 | |
| 109 | static snd_card_t *snd_saa7134_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; |
| 110 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 111 | /* |
| 112 | * saa7134 DMA audio stop |
| 113 | * |
| 114 | * Called when the capture device is released or the buffer overflows |
| 115 | * |
| 116 | * - Copied verbatim from saa7134-oss's dsp_dma_stop. Can be dropped |
| 117 | * if we just share dsp_dma_stop and use it here |
| 118 | * |
| 119 | */ |
| 120 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 121 | static void saa7134_dma_stop(struct saa7134_dev *dev) |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 122 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 123 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 124 | dev->oss.dma_blk = -1; |
| 125 | dev->oss.dma_running = 0; |
| 126 | saa7134_set_dmabits(dev); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 127 | } |
| 128 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 129 | /* |
| 130 | * saa7134 DMA audio start |
| 131 | * |
| 132 | * Called when preparing the capture device for use |
| 133 | * |
| 134 | * - Copied verbatim from saa7134-oss's dsp_dma_start. Can be dropped |
| 135 | * if we just share dsp_dma_start and use it here |
| 136 | * |
| 137 | */ |
| 138 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 139 | static void saa7134_dma_start(struct saa7134_dev *dev) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 140 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 141 | dev->oss.dma_blk = 0; |
| 142 | dev->oss.dma_running = 1; |
| 143 | saa7134_set_dmabits(dev); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 144 | } |
| 145 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 146 | /* |
| 147 | * saa7134 audio DMA IRQ handler |
| 148 | * |
| 149 | * Called whenever we get an SAA7134_IRQ_REPORT_DONE_RA3 interrupt |
| 150 | * Handles shifting between the 2 buffers, manages the read counters, |
| 151 | * and notifies ALSA when periods elapse |
| 152 | * |
| 153 | * - Mostly copied from saa7134-oss's saa7134_irq_oss_done. |
| 154 | * |
| 155 | */ |
| 156 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 157 | void saa7134_irq_alsa_done(struct saa7134_dev *dev, unsigned long status) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 158 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 159 | int next_blk, reg = 0; |
| 160 | |
| 161 | spin_lock(&dev->slock); |
| 162 | if (UNSET == dev->oss.dma_blk) { |
| 163 | dprintk("irq: recording stopped\n"); |
| 164 | goto done; |
| 165 | } |
| 166 | if (0 != (status & 0x0f000000)) |
| 167 | dprintk("irq: lost %ld\n", (status >> 24) & 0x0f); |
| 168 | if (0 == (status & 0x10000000)) { |
| 169 | /* odd */ |
| 170 | if (0 == (dev->oss.dma_blk & 0x01)) |
| 171 | reg = SAA7134_RS_BA1(6); |
| 172 | } else { |
| 173 | /* even */ |
| 174 | if (1 == (dev->oss.dma_blk & 0x01)) |
| 175 | reg = SAA7134_RS_BA2(6); |
| 176 | } |
| 177 | if (0 == reg) { |
| 178 | dprintk("irq: field oops [%s]\n", |
| 179 | (status & 0x10000000) ? "even" : "odd"); |
| 180 | goto done; |
| 181 | } |
| 182 | |
| 183 | if (dev->oss.read_count >= dev->oss.blksize * (dev->oss.blocks-2)) { |
| 184 | dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->oss.read_count, |
| 185 | dev->oss.bufsize, dev->oss.blocks); |
| 186 | saa7134_dma_stop(dev); |
| 187 | goto done; |
| 188 | } |
| 189 | |
| 190 | /* next block addr */ |
| 191 | next_blk = (dev->oss.dma_blk + 2) % dev->oss.blocks; |
| 192 | saa_writel(reg,next_blk * dev->oss.blksize); |
| 193 | if (alsa_debug > 2) |
| 194 | dprintk("irq: ok, %s, next_blk=%d, addr=%x, blocks=%u, size=%u, read=%u\n", |
| 195 | (status & 0x10000000) ? "even" : "odd ", next_blk, |
| 196 | next_blk * dev->oss.blksize, dev->oss.blocks, dev->oss.blksize, dev->oss.read_count); |
| 197 | |
| 198 | |
| 199 | /* update status & wake waiting readers */ |
| 200 | dev->oss.dma_blk = (dev->oss.dma_blk + 1) % dev->oss.blocks; |
| 201 | dev->oss.read_count += dev->oss.blksize; |
| 202 | |
| 203 | dev->oss.recording_on = reg; |
| 204 | |
| 205 | if (dev->oss.read_count >= snd_pcm_lib_period_bytes(dev->oss.substream)) { |
| 206 | spin_unlock(&dev->slock); |
| 207 | snd_pcm_period_elapsed(dev->oss.substream); |
| 208 | spin_lock(&dev->slock); |
| 209 | } |
| 210 | done: |
| 211 | spin_unlock(&dev->slock); |
| 212 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 213 | } |
| 214 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 215 | /* |
| 216 | * ALSA capture trigger |
| 217 | * |
| 218 | * - One of the ALSA capture callbacks. |
| 219 | * |
| 220 | * Called whenever a capture is started or stopped. Must be defined, |
| 221 | * but there's nothing we want to do here |
| 222 | * |
| 223 | */ |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 224 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 225 | static int snd_card_saa7134_capture_trigger(snd_pcm_substream_t * substream, |
| 226 | int cmd) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 227 | { |
| 228 | return 0; |
| 229 | } |
| 230 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 231 | /* |
| 232 | * DMA buffer config |
| 233 | * |
| 234 | * Sets the values that will later be used as the size of the buffer, |
| 235 | * size of the fragments, and total number of fragments. |
| 236 | * Must be called during the preparation stage, before memory is |
| 237 | * allocated |
| 238 | * |
| 239 | * - Copied verbatim from saa7134-oss. Can be dropped |
| 240 | * if we just share dsp_buffer_conf from OSS. |
| 241 | */ |
| 242 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 243 | static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 244 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 245 | if (blksize < 0x100) |
| 246 | blksize = 0x100; |
| 247 | if (blksize > 0x10000) |
| 248 | blksize = 0x10000; |
| 249 | |
| 250 | if (blocks < 2) |
| 251 | blocks = 2; |
| 252 | if ((blksize * blocks) > 1024*1024) |
| 253 | blocks = 1024*1024 / blksize; |
| 254 | |
| 255 | dev->oss.blocks = blocks; |
| 256 | dev->oss.blksize = blksize; |
| 257 | dev->oss.bufsize = blksize * blocks; |
| 258 | |
| 259 | dprintk("buffer config: %d blocks / %d bytes, %d kB total\n", |
| 260 | blocks,blksize,blksize * blocks / 1024); |
| 261 | return 0; |
| 262 | } |
| 263 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 264 | /* |
| 265 | * DMA buffer initialization |
| 266 | * |
| 267 | * Uses V4L functions to initialize the DMA. Shouldn't be necessary in |
| 268 | * ALSA, but I was unable to use ALSA's own DMA, and had to force the |
| 269 | * usage of V4L's |
| 270 | * |
| 271 | * - Copied verbatim from saa7134-oss. Can be dropped |
| 272 | * if we just share dsp_buffer_init from OSS. |
| 273 | */ |
| 274 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 275 | static int dsp_buffer_init(struct saa7134_dev *dev) |
| 276 | { |
| 277 | int err; |
| 278 | |
| 279 | if (!dev->oss.bufsize) |
| 280 | BUG(); |
| 281 | videobuf_dma_init(&dev->oss.dma); |
| 282 | err = videobuf_dma_init_kernel(&dev->oss.dma, PCI_DMA_FROMDEVICE, |
| 283 | (dev->oss.bufsize + PAGE_SIZE) >> PAGE_SHIFT); |
| 284 | if (0 != err) |
| 285 | return err; |
| 286 | return 0; |
| 287 | } |
| 288 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 289 | /* |
| 290 | * ALSA PCM preparation |
| 291 | * |
| 292 | * - One of the ALSA capture callbacks. |
| 293 | * |
| 294 | * Called right after the capture device is opened, this function configures |
| 295 | * the buffer using the previously defined functions, allocates the memory, |
| 296 | * sets up the hardware registers, and then starts the DMA. When this function |
| 297 | * returns, the audio should be flowing. |
| 298 | * |
| 299 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 300 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 301 | static int snd_card_saa7134_capture_prepare(snd_pcm_substream_t * substream) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 302 | { |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 303 | snd_pcm_runtime_t *runtime = substream->runtime; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 304 | int err, bswap, sign; |
| 305 | u32 fmt, control; |
| 306 | unsigned long flags; |
| 307 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
| 308 | struct saa7134_dev *dev; |
| 309 | snd_card_saa7134_pcm_t *saapcm = runtime->private_data; |
| 310 | unsigned int bps; |
| 311 | unsigned long size; |
| 312 | unsigned count; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 313 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 314 | size = snd_pcm_lib_buffer_bytes(substream); |
| 315 | count = snd_pcm_lib_period_bytes(substream); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 316 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 317 | saapcm->saadev->oss.substream = substream; |
| 318 | bps = runtime->rate * runtime->channels; |
| 319 | bps *= snd_pcm_format_width(runtime->format); |
| 320 | bps /= 8; |
| 321 | if (bps <= 0) |
| 322 | return -EINVAL; |
| 323 | saapcm->pcm_bps = bps; |
| 324 | saapcm->pcm_size = snd_pcm_lib_buffer_bytes(substream); |
| 325 | saapcm->pcm_count = snd_pcm_lib_period_bytes(substream); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 326 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 327 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 328 | dev=saa7134->saadev; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 329 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 330 | dsp_buffer_conf(dev,saapcm->pcm_count,(saapcm->pcm_size/saapcm->pcm_count)); |
| 331 | |
| 332 | err = dsp_buffer_init(dev); |
| 333 | if (0 != err) |
| 334 | goto fail2; |
| 335 | |
| 336 | /* prepare buffer */ |
| 337 | if (0 != (err = videobuf_dma_pci_map(dev->pci,&dev->oss.dma))) |
| 338 | return err; |
| 339 | if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->oss.pt))) |
| 340 | goto fail1; |
| 341 | if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->oss.pt, |
| 342 | dev->oss.dma.sglist, |
| 343 | dev->oss.dma.sglen, |
| 344 | 0))) |
| 345 | goto fail2; |
| 346 | |
| 347 | |
| 348 | |
| 349 | switch (runtime->format) { |
| 350 | case SNDRV_PCM_FORMAT_U8: |
| 351 | case SNDRV_PCM_FORMAT_S8: |
| 352 | fmt = 0x00; |
| 353 | break; |
| 354 | case SNDRV_PCM_FORMAT_U16_LE: |
| 355 | case SNDRV_PCM_FORMAT_U16_BE: |
| 356 | case SNDRV_PCM_FORMAT_S16_LE: |
| 357 | case SNDRV_PCM_FORMAT_S16_BE: |
| 358 | fmt = 0x01; |
| 359 | break; |
| 360 | default: |
| 361 | err = -EINVAL; |
| 362 | return 1; |
| 363 | } |
| 364 | |
| 365 | switch (runtime->format) { |
| 366 | case SNDRV_PCM_FORMAT_S8: |
| 367 | case SNDRV_PCM_FORMAT_S16_LE: |
| 368 | case SNDRV_PCM_FORMAT_S16_BE: |
| 369 | sign = 1; |
| 370 | break; |
| 371 | default: |
| 372 | sign = 0; |
| 373 | break; |
| 374 | } |
| 375 | |
| 376 | switch (runtime->format) { |
| 377 | case SNDRV_PCM_FORMAT_U16_BE: |
| 378 | case SNDRV_PCM_FORMAT_S16_BE: |
| 379 | bswap = 1; break; |
| 380 | default: |
| 381 | bswap = 0; break; |
| 382 | } |
| 383 | |
| 384 | switch (dev->pci->device) { |
| 385 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 386 | if (1 == runtime->channels) |
| 387 | fmt |= (1 << 3); |
| 388 | if (2 == runtime->channels) |
| 389 | fmt |= (3 << 3); |
| 390 | if (sign) |
| 391 | fmt |= 0x04; |
| 392 | |
| 393 | fmt |= (MIXER_ADDR_TVTUNER == dev->oss.input) ? 0xc0 : 0x80; |
| 394 | saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->oss.blksize - 1) & 0x0000ff)); |
| 395 | saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->oss.blksize - 1) & 0x00ff00) >> 8); |
| 396 | saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->oss.blksize - 1) & 0xff0000) >> 16); |
| 397 | saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt); |
| 398 | |
| 399 | break; |
| 400 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 401 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 402 | if (1 == runtime->channels) |
| 403 | fmt |= (1 << 4); |
| 404 | if (2 == runtime->channels) |
| 405 | fmt |= (2 << 4); |
| 406 | if (!sign) |
| 407 | fmt |= 0x04; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 408 | saa_writel(SAA7133_NUM_SAMPLES, dev->oss.blksize -1); |
| 409 | saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210 | (fmt << 24)); |
| 410 | //saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210); |
| 411 | break; |
| 412 | } |
| 413 | |
| 414 | dprintk("rec_start: afmt=%d ch=%d => fmt=0x%x swap=%c\n", |
| 415 | runtime->format, runtime->channels, fmt, |
| 416 | bswap ? 'b' : '-'); |
| 417 | /* dma: setup channel 6 (= AUDIO) */ |
| 418 | control = SAA7134_RS_CONTROL_BURST_16 | |
| 419 | SAA7134_RS_CONTROL_ME | |
| 420 | (dev->oss.pt.dma >> 12); |
| 421 | if (bswap) |
| 422 | control |= SAA7134_RS_CONTROL_BSWAP; |
| 423 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 424 | /* I should be able to use runtime->dma_addr in the control |
| 425 | byte, but it doesn't work. So I allocate the DMA using the |
| 426 | V4L functions, and force ALSA to use that as the DMA area */ |
| 427 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 428 | runtime->dma_area = dev->oss.dma.vmalloc; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 429 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 430 | saa_writel(SAA7134_RS_BA1(6),0); |
| 431 | saa_writel(SAA7134_RS_BA2(6),dev->oss.blksize); |
| 432 | saa_writel(SAA7134_RS_PITCH(6),0); |
| 433 | saa_writel(SAA7134_RS_CONTROL(6),control); |
| 434 | |
| 435 | dev->oss.rate = runtime->rate; |
| 436 | /* start dma */ |
| 437 | spin_lock_irqsave(&dev->slock,flags); |
| 438 | saa7134_dma_start(dev); |
| 439 | spin_unlock_irqrestore(&dev->slock,flags); |
| 440 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 441 | return 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 442 | fail2: |
| 443 | saa7134_pgtable_free(dev->pci,&dev->oss.pt); |
| 444 | fail1: |
| 445 | videobuf_dma_pci_unmap(dev->pci,&dev->oss.dma); |
| 446 | return err; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 447 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 448 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 449 | } |
| 450 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 451 | /* |
| 452 | * ALSA pointer fetching |
| 453 | * |
| 454 | * - One of the ALSA capture callbacks. |
| 455 | * |
| 456 | * Called whenever a period elapses, it must return the current hardware |
| 457 | * position of the buffer. |
| 458 | * Also resets the read counter used to prevent overruns |
| 459 | * |
| 460 | */ |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 461 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 462 | static snd_pcm_uframes_t snd_card_saa7134_capture_pointer(snd_pcm_substream_t * substream) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 463 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 464 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 465 | snd_card_saa7134_pcm_t *saapcm = runtime->private_data; |
| 466 | struct saa7134_dev *dev=saapcm->saadev; |
| 467 | |
| 468 | |
| 469 | |
| 470 | if (dev->oss.read_count) { |
| 471 | dev->oss.read_count -= snd_pcm_lib_period_bytes(substream); |
| 472 | dev->oss.read_offset += snd_pcm_lib_period_bytes(substream); |
| 473 | if (dev->oss.read_offset == dev->oss.bufsize) |
| 474 | dev->oss.read_offset = 0; |
| 475 | } |
| 476 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 477 | return bytes_to_frames(runtime, dev->oss.read_offset); |
| 478 | } |
| 479 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 480 | /* |
| 481 | * ALSA hardware capabilities definition |
| 482 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 483 | |
| 484 | static snd_pcm_hardware_t snd_card_saa7134_capture = |
| 485 | { |
| 486 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
| 487 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 488 | SNDRV_PCM_INFO_MMAP_VALID), |
| 489 | .formats = USE_FORMATS, |
| 490 | .rates = USE_RATE, |
| 491 | .rate_min = USE_RATE_MIN, |
| 492 | .rate_max = USE_RATE_MAX, |
| 493 | .channels_min = USE_CHANNELS_MIN, |
| 494 | .channels_max = USE_CHANNELS_MAX, |
| 495 | .buffer_bytes_max = MAX_BUFFER_SIZE, |
| 496 | .period_bytes_min = 64, |
| 497 | .period_bytes_max = MAX_BUFFER_SIZE, |
| 498 | .periods_min = USE_PERIODS_MIN, |
| 499 | .periods_max = USE_PERIODS_MAX, |
| 500 | .fifo_size = 0x08070503, |
| 501 | }; |
| 502 | |
| 503 | static void snd_card_saa7134_runtime_free(snd_pcm_runtime_t *runtime) |
| 504 | { |
| 505 | snd_card_saa7134_pcm_t *saapcm = runtime->private_data; |
| 506 | |
| 507 | kfree(saapcm); |
| 508 | } |
| 509 | |
| 510 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 511 | /* |
| 512 | * ALSA hardware params |
| 513 | * |
| 514 | * - One of the ALSA capture callbacks. |
| 515 | * |
| 516 | * Called on initialization, right before the PCM preparation |
| 517 | * Usually used in ALSA to allocate the DMA, but since we don't use the |
| 518 | * ALSA DMA I'm almost sure this isn't necessary. |
| 519 | * |
| 520 | */ |
| 521 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 522 | static int snd_card_saa7134_hw_params(snd_pcm_substream_t * substream, |
| 523 | snd_pcm_hw_params_t * hw_params) |
| 524 | { |
| 525 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 526 | return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 527 | |
| 528 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 529 | } |
| 530 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 531 | /* |
| 532 | * ALSA hardware release |
| 533 | * |
| 534 | * - One of the ALSA capture callbacks. |
| 535 | * |
| 536 | * Called after closing the device, but before snd_card_saa7134_capture_close |
| 537 | * Usually used in ALSA to free the DMA, but since we don't use the |
| 538 | * ALSA DMA I'm almost sure this isn't necessary. |
| 539 | * |
| 540 | */ |
| 541 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 542 | static int snd_card_saa7134_hw_free(snd_pcm_substream_t * substream) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 543 | { |
| 544 | return snd_pcm_lib_free_pages(substream); |
| 545 | } |
| 546 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 547 | /* |
| 548 | * DMA buffer release |
| 549 | * |
| 550 | * Called after closing the device, during snd_card_saa7134_capture_close |
| 551 | * |
| 552 | */ |
| 553 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 554 | static int dsp_buffer_free(struct saa7134_dev *dev) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 555 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 556 | if (!dev->oss.blksize) |
| 557 | BUG(); |
| 558 | |
| 559 | videobuf_dma_free(&dev->oss.dma); |
| 560 | |
| 561 | dev->oss.blocks = 0; |
| 562 | dev->oss.blksize = 0; |
| 563 | dev->oss.bufsize = 0; |
| 564 | |
| 565 | return 0; |
| 566 | } |
| 567 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 568 | /* |
| 569 | * ALSA capture finish |
| 570 | * |
| 571 | * - One of the ALSA capture callbacks. |
| 572 | * |
| 573 | * Called after closing the device. It stops the DMA audio and releases |
| 574 | * the buffers |
| 575 | * |
| 576 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 577 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 578 | static int snd_card_saa7134_capture_close(snd_pcm_substream_t * substream) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 579 | { |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 580 | snd_card_saa7134_t *chip = snd_pcm_substream_chip(substream); |
| 581 | struct saa7134_dev *dev = chip->saadev; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 582 | unsigned long flags; |
| 583 | |
| 584 | /* stop dma */ |
| 585 | spin_lock_irqsave(&dev->slock,flags); |
| 586 | saa7134_dma_stop(dev); |
| 587 | spin_unlock_irqrestore(&dev->slock,flags); |
| 588 | |
| 589 | /* unlock buffer */ |
| 590 | saa7134_pgtable_free(dev->pci,&dev->oss.pt); |
| 591 | videobuf_dma_pci_unmap(dev->pci,&dev->oss.dma); |
| 592 | |
| 593 | dsp_buffer_free(dev); |
| 594 | return 0; |
| 595 | } |
| 596 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 597 | /* |
| 598 | * ALSA capture start |
| 599 | * |
| 600 | * - One of the ALSA capture callbacks. |
| 601 | * |
| 602 | * Called when opening the device. It creates and populates the PCM |
| 603 | * structure |
| 604 | * |
| 605 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 606 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 607 | static int snd_card_saa7134_capture_open(snd_pcm_substream_t * substream) |
| 608 | { |
| 609 | snd_pcm_runtime_t *runtime = substream->runtime; |
| 610 | snd_card_saa7134_pcm_t *saapcm; |
| 611 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
| 612 | struct saa7134_dev *dev = saa7134->saadev; |
| 613 | int err; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 614 | |
| 615 | down(&dev->oss.lock); |
| 616 | |
| 617 | dev->oss.afmt = SNDRV_PCM_FORMAT_U8; |
| 618 | dev->oss.channels = 2; |
| 619 | dev->oss.read_count = 0; |
| 620 | dev->oss.read_offset = 0; |
| 621 | |
| 622 | up(&dev->oss.lock); |
| 623 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 624 | saapcm = kcalloc(1, sizeof(*saapcm), GFP_KERNEL); |
| 625 | if (saapcm == NULL) |
| 626 | return -ENOMEM; |
| 627 | saapcm->saadev=saa7134->saadev; |
| 628 | |
| 629 | spin_lock_init(&saapcm->lock); |
| 630 | |
| 631 | saapcm->substream = substream; |
| 632 | runtime->private_data = saapcm; |
| 633 | runtime->private_free = snd_card_saa7134_runtime_free; |
| 634 | runtime->hw = snd_card_saa7134_capture; |
| 635 | |
| 636 | if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) |
| 637 | return err; |
| 638 | |
| 639 | return 0; |
| 640 | } |
| 641 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 642 | /* |
| 643 | * ALSA capture callbacks definition |
| 644 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 645 | |
| 646 | static snd_pcm_ops_t snd_card_saa7134_capture_ops = { |
| 647 | .open = snd_card_saa7134_capture_open, |
| 648 | .close = snd_card_saa7134_capture_close, |
| 649 | .ioctl = snd_pcm_lib_ioctl, |
| 650 | .hw_params = snd_card_saa7134_hw_params, |
| 651 | .hw_free = snd_card_saa7134_hw_free, |
| 652 | .prepare = snd_card_saa7134_capture_prepare, |
| 653 | .trigger = snd_card_saa7134_capture_trigger, |
| 654 | .pointer = snd_card_saa7134_capture_pointer, |
| 655 | }; |
| 656 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 657 | /* |
| 658 | * ALSA PCM setup |
| 659 | * |
| 660 | * Called when initializing the board. Sets up the name and hooks up |
| 661 | * the callbacks |
| 662 | * |
| 663 | */ |
| 664 | |
| 665 | static int snd_card_saa7134_pcm(snd_card_saa7134_t *saa7134, int device) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 666 | { |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 667 | snd_pcm_t *pcm; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 668 | int err; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 669 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 670 | if ((err = snd_pcm_new(saa7134->card, "SAA7134 PCM", device, 0, 1, &pcm)) < 0) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 671 | return err; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 672 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_saa7134_capture_ops); |
| 673 | pcm->private_data = saa7134; |
| 674 | pcm->info_flags = 0; |
| 675 | strcpy(pcm->name, "SAA7134 PCM"); |
| 676 | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| 677 | snd_dma_pci_data(saa7134->pci), |
| 678 | 128*1024, 256*1024); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 679 | return 0; |
| 680 | } |
| 681 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 682 | #define SAA713x_VOLUME(xname, xindex, addr) \ |
| 683 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| 684 | .info = snd_saa7134_volume_info, \ |
| 685 | .get = snd_saa7134_volume_get, .put = snd_saa7134_volume_put, \ |
| 686 | .private_value = addr } |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 687 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 688 | static int snd_saa7134_volume_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo) |
| 689 | { |
| 690 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 691 | uinfo->count = 2; |
| 692 | uinfo->value.integer.min = 0; |
| 693 | uinfo->value.integer.max = 20; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 694 | return 0; |
| 695 | } |
| 696 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 697 | static int snd_saa7134_volume_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 698 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 699 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
| 700 | unsigned long flags; |
| 701 | int addr = kcontrol->private_value; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 702 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 703 | spin_lock_irqsave(&chip->mixer_lock, flags); |
| 704 | ucontrol->value.integer.value[0] = chip->mixer_volume[addr][0]; |
| 705 | ucontrol->value.integer.value[1] = chip->mixer_volume[addr][1]; |
| 706 | spin_unlock_irqrestore(&chip->mixer_lock, flags); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 707 | return 0; |
| 708 | } |
| 709 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 710 | static int snd_saa7134_volume_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 711 | { |
| 712 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
| 713 | unsigned long flags; |
| 714 | int change, addr = kcontrol->private_value; |
| 715 | int left, right; |
| 716 | |
| 717 | left = ucontrol->value.integer.value[0]; |
| 718 | if (left < 0) |
| 719 | left = 0; |
| 720 | if (left > 20) |
| 721 | left = 20; |
| 722 | right = ucontrol->value.integer.value[1]; |
| 723 | if (right < 0) |
| 724 | right = 0; |
| 725 | if (right > 20) |
| 726 | right = 20; |
| 727 | spin_lock_irqsave(&chip->mixer_lock, flags); |
| 728 | change = chip->mixer_volume[addr][0] != left || |
| 729 | chip->mixer_volume[addr][1] != right; |
| 730 | chip->mixer_volume[addr][0] = left; |
| 731 | chip->mixer_volume[addr][1] = right; |
| 732 | spin_unlock_irqrestore(&chip->mixer_lock, flags); |
| 733 | return change; |
| 734 | } |
| 735 | |
| 736 | #define SAA713x_CAPSRC(xname, xindex, addr) \ |
| 737 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| 738 | .info = snd_saa7134_capsrc_info, \ |
| 739 | .get = snd_saa7134_capsrc_get, .put = snd_saa7134_capsrc_put, \ |
| 740 | .private_value = addr } |
| 741 | |
| 742 | static int snd_saa7134_capsrc_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo) |
| 743 | { |
| 744 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 745 | uinfo->count = 2; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 746 | uinfo->value.integer.min = 0; |
| 747 | uinfo->value.integer.max = 1; |
| 748 | return 0; |
| 749 | } |
| 750 | |
| 751 | static int snd_saa7134_capsrc_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 752 | { |
| 753 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
| 754 | unsigned long flags; |
| 755 | int addr = kcontrol->private_value; |
| 756 | |
| 757 | spin_lock_irqsave(&chip->mixer_lock, flags); |
| 758 | ucontrol->value.integer.value[0] = chip->capture_source[addr][0]; |
| 759 | ucontrol->value.integer.value[1] = chip->capture_source[addr][1]; |
| 760 | spin_unlock_irqrestore(&chip->mixer_lock, flags); |
| 761 | return 0; |
| 762 | } |
| 763 | |
| 764 | static int snd_saa7134_capsrc_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) |
| 765 | { |
| 766 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
| 767 | unsigned long flags; |
| 768 | int change, addr = kcontrol->private_value; |
| 769 | int left, right; |
| 770 | u32 anabar, xbarin; |
| 771 | int analog_io, rate; |
| 772 | struct saa7134_dev *dev; |
| 773 | |
| 774 | dev = chip->saadev; |
| 775 | |
| 776 | left = ucontrol->value.integer.value[0] & 1; |
| 777 | right = ucontrol->value.integer.value[1] & 1; |
| 778 | spin_lock_irqsave(&chip->mixer_lock, flags); |
| 779 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 780 | change = chip->capture_source[addr][0] != left || |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 781 | chip->capture_source[addr][1] != right; |
| 782 | chip->capture_source[addr][0] = left; |
| 783 | chip->capture_source[addr][1] = right; |
| 784 | dev->oss.input=addr; |
| 785 | spin_unlock_irqrestore(&chip->mixer_lock, flags); |
| 786 | |
| 787 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 788 | if (change) { |
| 789 | switch (dev->pci->device) { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 790 | |
| 791 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 792 | switch (addr) { |
| 793 | case MIXER_ADDR_TVTUNER: |
| 794 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0); |
| 795 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); |
| 796 | break; |
| 797 | case MIXER_ADDR_LINE1: |
| 798 | case MIXER_ADDR_LINE2: |
| 799 | analog_io = (MIXER_ADDR_LINE1 == addr) ? 0x00 : 0x08; |
| 800 | rate = (32000 == dev->oss.rate) ? 0x01 : 0x03; |
| 801 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io); |
| 802 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80); |
| 803 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate); |
| 804 | break; |
| 805 | } |
| 806 | |
| 807 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 808 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 809 | xbarin = 0x03; // adc |
| 810 | anabar = 0; |
| 811 | switch (addr) { |
| 812 | case MIXER_ADDR_TVTUNER: |
| 813 | xbarin = 0; // Demodulator |
| 814 | anabar = 2; // DACs |
| 815 | break; |
| 816 | case MIXER_ADDR_LINE1: |
| 817 | anabar = 0; // aux1, aux1 |
| 818 | break; |
| 819 | case MIXER_ADDR_LINE2: |
| 820 | anabar = 9; // aux2, aux2 |
| 821 | break; |
| 822 | } |
| 823 | |
| 824 | /* output xbar always main channel */ |
| 825 | saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1, 0xbbbb10); |
| 826 | |
| 827 | if (left || right) { // We've got data, turn the input on |
| 828 | //saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL2, 0x101010); |
| 829 | saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, xbarin); |
| 830 | saa_writel(SAA7133_ANALOG_IO_SELECT, anabar); |
| 831 | } else { |
| 832 | //saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL2, 0x101010); |
| 833 | saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, 0); |
| 834 | saa_writel(SAA7133_ANALOG_IO_SELECT, 0); |
| 835 | } |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 836 | } |
| 837 | } |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 838 | |
| 839 | return change; |
| 840 | } |
| 841 | |
| 842 | static snd_kcontrol_new_t snd_saa7134_controls[] = { |
| 843 | SAA713x_VOLUME("Video Volume", 0, MIXER_ADDR_TVTUNER), |
| 844 | SAA713x_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER), |
| 845 | SAA713x_VOLUME("Line Volume", 1, MIXER_ADDR_LINE1), |
| 846 | SAA713x_CAPSRC("Line Capture Switch", 1, MIXER_ADDR_LINE1), |
| 847 | SAA713x_VOLUME("Line Volume", 2, MIXER_ADDR_LINE2), |
| 848 | SAA713x_CAPSRC("Line Capture Switch", 2, MIXER_ADDR_LINE2), |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 849 | }; |
| 850 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 851 | /* |
| 852 | * ALSA mixer setup |
| 853 | * |
| 854 | * Called when initializing the board. Sets up the name and hooks up |
| 855 | * the callbacks |
| 856 | * |
| 857 | */ |
| 858 | |
| 859 | static int snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 860 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 861 | snd_card_t *card = chip->card; |
| 862 | unsigned int idx; |
| 863 | int err; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 864 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 865 | snd_assert(chip != NULL, return -EINVAL); |
| 866 | strcpy(card->mixername, "SAA7134 Mixer"); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 867 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 868 | for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_controls); idx++) { |
| 869 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_saa7134_controls[idx], chip))) < 0) |
| 870 | return err; |
| 871 | } |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 872 | return 0; |
| 873 | } |
| 874 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 875 | static int snd_saa7134_free(snd_card_saa7134_t *chip) |
| 876 | { |
| 877 | return 0; |
| 878 | } |
| 879 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 880 | static int snd_saa7134_dev_free(snd_device_t *device) |
| 881 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 882 | snd_card_saa7134_t *chip = device->device_data; |
| 883 | return snd_saa7134_free(chip); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 884 | } |
| 885 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 886 | /* |
| 887 | * ALSA initialization |
| 888 | * |
| 889 | * Called by saa7134-core, it creates the basic structures and registers |
| 890 | * the ALSA devices |
| 891 | * |
| 892 | */ |
| 893 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 894 | int alsa_card_saa7134_create(struct saa7134_dev *saadev) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 895 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 896 | static int dev; |
| 897 | snd_card_t *card; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 898 | snd_card_saa7134_t *chip; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 899 | int err; |
| 900 | static snd_device_ops_t ops = { |
| 901 | .dev_free = snd_saa7134_dev_free, |
| 902 | }; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 903 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 904 | if (dev >= SNDRV_CARDS) |
| 905 | return -ENODEV; |
| 906 | if (!enable[dev]) |
| 907 | return -ENODEV; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 908 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 909 | card = snd_card_new(index[dev], id[dev], THIS_MODULE, |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 910 | 0); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 911 | if (card == NULL) |
| 912 | return -ENOMEM; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 913 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 914 | strcpy(card->driver, "SAA7134"); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 915 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 916 | /* Card "creation" */ |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 917 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 918 | chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); |
| 919 | if (chip == NULL) { |
| 920 | return -ENOMEM; |
| 921 | } |
| 922 | |
| 923 | spin_lock_init(&chip->lock); |
| 924 | |
| 925 | chip->saadev = saadev; |
| 926 | |
| 927 | chip->card = card; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 928 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 929 | chip->pci = saadev->pci; |
| 930 | chip->irq = saadev->pci->irq; |
| 931 | chip->iobase = pci_resource_start(saadev->pci, 0); |
| 932 | |
| 933 | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| 934 | snd_saa7134_free(chip); |
| 935 | return err; |
| 936 | } |
| 937 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 938 | if ((err = snd_card_saa7134_new_mixer(chip)) < 0) |
| 939 | goto __nodev; |
| 940 | |
| 941 | if ((err = snd_card_saa7134_pcm(chip, 0)) < 0) |
| 942 | goto __nodev; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame^] | 943 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 944 | spin_lock_init(&chip->mixer_lock); |
| 945 | |
| 946 | snd_card_set_dev(card, &chip->pci->dev); |
| 947 | |
| 948 | /* End of "creation" */ |
| 949 | |
| 950 | strcpy(card->shortname, "SAA7134"); |
| 951 | sprintf(card->longname, "%s at 0x%lx irq %d", |
| 952 | card->shortname, chip->iobase, chip->irq); |
| 953 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 954 | if ((err = snd_card_register(card)) == 0) { |
| 955 | snd_saa7134_cards[dev] = card; |
| 956 | return 0; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 957 | } |
| 958 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 959 | __nodev: |
| 960 | snd_card_free(card); |
| 961 | kfree(card); |
| 962 | return err; |
| 963 | } |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 964 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 965 | void alsa_card_saa7134_exit(void) |
| 966 | { |
| 967 | int idx; |
| 968 | for (idx = 0; idx < SNDRV_CARDS; idx++) { |
| 969 | snd_card_free(snd_saa7134_cards[idx]); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 970 | } |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 971 | } |