* Some variables
*/
-static unsigned char freq_bits[14] = {
- /* 5510 */ 0x00 | AD1848_XTAL2,
- /* 6620 */ 0x0E | AD1848_XTAL2,
- /* 8000 */ 0x00 | AD1848_XTAL1,
- /* 9600 */ 0x0E | AD1848_XTAL1,
- /* 11025 */ 0x02 | AD1848_XTAL2,
- /* 16000 */ 0x02 | AD1848_XTAL1,
- /* 18900 */ 0x04 | AD1848_XTAL2,
- /* 22050 */ 0x06 | AD1848_XTAL2,
- /* 27042 */ 0x04 | AD1848_XTAL1,
- /* 32000 */ 0x06 | AD1848_XTAL1,
- /* 33075 */ 0x0C | AD1848_XTAL2,
- /* 37800 */ 0x08 | AD1848_XTAL2,
- /* 44100 */ 0x0A | AD1848_XTAL2,
- /* 48000 */ 0x0C | AD1848_XTAL1
-};
-
-static unsigned int rates[14] = {
- 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050,
- 27042, 32000, 33075, 37800, 44100, 48000
-};
-
-static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
- .count = ARRAY_SIZE(rates),
- .list = rates,
- .mask = 0,
-};
-
static unsigned char snd_ad1848_original_image[16] =
{
0x00, /* 00 - lic */
EXPORT_SYMBOL(snd_ad1848_out);
-static void snd_ad1848_dout(struct snd_wss *chip,
- unsigned char reg, unsigned char value)
-{
- snd_ad1848_wait(chip);
- outb(chip->mce_bit | reg, chip->port + CS4231P(REGSEL));
- outb(value, chip->port + CS4231P(REG));
- mb();
-}
-
static unsigned char snd_ad1848_in(struct snd_wss *chip, unsigned char reg)
{
snd_ad1848_wait(chip);
inb(chip->port + CS4231P(REGSEL)));
}
-static unsigned int snd_ad1848_get_count(unsigned char format,
- unsigned int size)
-{
- switch (format & 0xe0) {
- case AD1848_LINEAR_16:
- size >>= 1;
- break;
- }
- if (format & AD1848_STEREO)
- size >>= 1;
- return size;
-}
-
-static int snd_ad1848_trigger(struct snd_wss *chip, unsigned char what,
- int channel, int cmd)
-{
- int result = 0;
-
-#if 0
- printk("codec trigger!!! - what = %i, enable = %i, status = 0x%x\n", what, enable, inb(AD1848P(card, STATUS)));
-#endif
- spin_lock(&chip->reg_lock);
- if (cmd == SNDRV_PCM_TRIGGER_START) {
- if (chip->image[AD1848_IFACE_CTRL] & what) {
- spin_unlock(&chip->reg_lock);
- return 0;
- }
- snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL] |= what);
- } else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
- if (!(chip->image[AD1848_IFACE_CTRL] & what)) {
- spin_unlock(&chip->reg_lock);
- return 0;
- }
- snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL] &= ~what);
- } else {
- result = -EINVAL;
- }
- spin_unlock(&chip->reg_lock);
- return result;
-}
-
-/*
- * CODEC I/O
- */
-
-static unsigned char snd_ad1848_get_rate(unsigned int rate)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(rates); i++)
- if (rate == rates[i])
- return freq_bits[i];
- snd_BUG();
- return freq_bits[ARRAY_SIZE(rates) - 1];
-}
-
-static int snd_ad1848_ioctl(struct snd_pcm_substream *substream,
- unsigned int cmd, void *arg)
-{
- return snd_pcm_lib_ioctl(substream, cmd, arg);
-}
-
-static unsigned char snd_ad1848_get_format(int format, int channels)
-{
- unsigned char rformat;
-
- rformat = AD1848_LINEAR_8;
- switch (format) {
- case SNDRV_PCM_FORMAT_A_LAW: rformat = AD1848_ALAW_8; break;
- case SNDRV_PCM_FORMAT_MU_LAW: rformat = AD1848_ULAW_8; break;
- case SNDRV_PCM_FORMAT_S16_LE: rformat = AD1848_LINEAR_16; break;
- }
- if (channels > 1)
- rformat |= AD1848_STEREO;
-#if 0
- snd_printk("get_format: 0x%x (mode=0x%x)\n", format, mode);
-#endif
- return rformat;
-}
-
-static void snd_ad1848_calibrate_mute(struct snd_wss *chip, int mute)
-{
- unsigned long flags;
-
- mute = mute ? 1 : 0;
- spin_lock_irqsave(&chip->reg_lock, flags);
- if (chip->calibrate_mute == mute) {
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- return;
- }
- if (!mute) {
- snd_ad1848_dout(chip, AD1848_LEFT_INPUT, chip->image[AD1848_LEFT_INPUT]);
- snd_ad1848_dout(chip, AD1848_RIGHT_INPUT, chip->image[AD1848_RIGHT_INPUT]);
- }
- snd_ad1848_dout(chip, AD1848_AUX1_LEFT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX1_LEFT_INPUT]);
- snd_ad1848_dout(chip, AD1848_AUX1_RIGHT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX1_RIGHT_INPUT]);
- snd_ad1848_dout(chip, AD1848_AUX2_LEFT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX2_LEFT_INPUT]);
- snd_ad1848_dout(chip, AD1848_AUX2_RIGHT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX2_RIGHT_INPUT]);
- snd_ad1848_dout(chip, AD1848_LEFT_OUTPUT, mute ? 0x80 : chip->image[AD1848_LEFT_OUTPUT]);
- snd_ad1848_dout(chip, AD1848_RIGHT_OUTPUT, mute ? 0x80 : chip->image[AD1848_RIGHT_OUTPUT]);
- chip->calibrate_mute = mute;
- spin_unlock_irqrestore(&chip->reg_lock, flags);
-}
-
-static void snd_ad1848_set_data_format(struct snd_wss *chip,
- struct snd_pcm_hw_params *hw_params)
-{
- if (hw_params == NULL) {
- chip->image[AD1848_DATA_FORMAT] = 0x20;
- } else {
- chip->image[AD1848_DATA_FORMAT] =
- snd_ad1848_get_format(params_format(hw_params), params_channels(hw_params)) |
- snd_ad1848_get_rate(params_rate(hw_params));
- }
- // snd_printk(">>> pmode = 0x%x, dfr = 0x%x\n", pstr->mode, chip->image[AD1848_DATA_FORMAT]);
-}
-
-static int snd_ad1848_open(struct snd_wss *chip, unsigned int mode)
-{
- unsigned long flags;
-
- if (chip->mode & WSS_MODE_OPEN)
- return -EAGAIN;
-
- snd_ad1848_mce_down(chip);
-
-#ifdef SNDRV_DEBUG_MCE
- snd_printk("open: (1)\n");
-#endif
- snd_ad1848_mce_up(chip);
- spin_lock_irqsave(&chip->reg_lock, flags);
- chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO |
- AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO |
- AD1848_CALIB_MODE);
- chip->image[AD1848_IFACE_CTRL] |= AD1848_AUTOCALIB;
- snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_ad1848_mce_down(chip);
-
-#ifdef SNDRV_DEBUG_MCE
- snd_printk("open: (2)\n");
-#endif
-
- snd_ad1848_set_data_format(chip, NULL);
-
- snd_ad1848_mce_up(chip);
- spin_lock_irqsave(&chip->reg_lock, flags);
- snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_ad1848_mce_down(chip);
-
-#ifdef SNDRV_DEBUG_MCE
- snd_printk("open: (3)\n");
-#endif
-
- /* ok. now enable and ack CODEC IRQ */
- spin_lock_irqsave(&chip->reg_lock, flags);
- outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */
- outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */
- chip->image[AD1848_PIN_CTRL] |= AD1848_IRQ_ENABLE;
- snd_ad1848_out(chip, AD1848_PIN_CTRL, chip->image[AD1848_PIN_CTRL]);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
-
- chip->mode = mode;
-
- return 0;
-}
-
-static void snd_ad1848_close(struct snd_wss *chip)
-{
- unsigned long flags;
-
- if (!chip->mode)
- return;
- /* disable IRQ */
- spin_lock_irqsave(&chip->reg_lock, flags);
- outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */
- outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */
- chip->image[AD1848_PIN_CTRL] &= ~AD1848_IRQ_ENABLE;
- snd_ad1848_out(chip, AD1848_PIN_CTRL, chip->image[AD1848_PIN_CTRL]);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
-
- /* now disable capture & playback */
-
- snd_ad1848_mce_up(chip);
- spin_lock_irqsave(&chip->reg_lock, flags);
- chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO |
- AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO);
- snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_ad1848_mce_down(chip);
-
- /* clear IRQ again */
- spin_lock_irqsave(&chip->reg_lock, flags);
- outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */
- outb(0, chip->port + CS4231P(STATUS)); /* clear IRQ */
- spin_unlock_irqrestore(&chip->reg_lock, flags);
-
- chip->mode = 0;
-}
-
-/*
- * ok.. exported functions..
- */
-
-static int snd_ad1848_playback_trigger(struct snd_pcm_substream *substream,
- int cmd)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- return snd_ad1848_trigger(chip, AD1848_PLAYBACK_ENABLE, SNDRV_PCM_STREAM_PLAYBACK, cmd);
-}
-
-static int snd_ad1848_capture_trigger(struct snd_pcm_substream *substream,
- int cmd)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- return snd_ad1848_trigger(chip, AD1848_CAPTURE_ENABLE, SNDRV_PCM_STREAM_CAPTURE, cmd);
-}
-
-static int snd_ad1848_playback_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- unsigned long flags;
- int err;
-
- if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
- return err;
- snd_ad1848_calibrate_mute(chip, 1);
- snd_ad1848_set_data_format(chip, hw_params);
- snd_ad1848_mce_up(chip);
- spin_lock_irqsave(&chip->reg_lock, flags);
- snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_ad1848_mce_down(chip);
- snd_ad1848_calibrate_mute(chip, 0);
- return 0;
-}
-
-static int snd_ad1848_playback_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
-static int snd_ad1848_playback_prepare(struct snd_pcm_substream *substream)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned long flags;
- unsigned int size = snd_pcm_lib_buffer_bytes(substream);
- unsigned int count = snd_pcm_lib_period_bytes(substream);
-
- chip->p_dma_size = size;
- chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO);
- snd_dma_program(chip->dma1, runtime->dma_addr, size,
- DMA_MODE_WRITE | DMA_AUTOINIT);
- count = snd_ad1848_get_count(chip->image[AD1848_DATA_FORMAT], count) - 1;
- spin_lock_irqsave(&chip->reg_lock, flags);
- snd_ad1848_out(chip, AD1848_DATA_LWR_CNT, (unsigned char) count);
- snd_ad1848_out(chip, AD1848_DATA_UPR_CNT, (unsigned char) (count >> 8));
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- return 0;
-}
-
-static int snd_ad1848_capture_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- unsigned long flags;
- int err;
-
- if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
- return err;
- snd_ad1848_calibrate_mute(chip, 1);
- snd_ad1848_set_data_format(chip, hw_params);
- snd_ad1848_mce_up(chip);
- spin_lock_irqsave(&chip->reg_lock, flags);
- snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- snd_ad1848_mce_down(chip);
- snd_ad1848_calibrate_mute(chip, 0);
- return 0;
-}
-
-static int snd_ad1848_capture_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
-static int snd_ad1848_capture_prepare(struct snd_pcm_substream *substream)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned long flags;
- unsigned int size = snd_pcm_lib_buffer_bytes(substream);
- unsigned int count = snd_pcm_lib_period_bytes(substream);
-
- chip->c_dma_size = size;
- chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO);
- snd_dma_program(chip->dma2, runtime->dma_addr, size,
- DMA_MODE_READ | DMA_AUTOINIT);
- count = snd_ad1848_get_count(chip->image[AD1848_DATA_FORMAT], count) - 1;
- spin_lock_irqsave(&chip->reg_lock, flags);
- snd_ad1848_out(chip, AD1848_DATA_LWR_CNT, (unsigned char) count);
- snd_ad1848_out(chip, AD1848_DATA_UPR_CNT, (unsigned char) (count >> 8));
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- return 0;
-}
-
static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id)
{
struct snd_wss *chip = dev_id;
return IRQ_HANDLED;
}
-static snd_pcm_uframes_t snd_ad1848_playback_pointer(struct snd_pcm_substream *substream)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- size_t ptr;
-
- if (!(chip->image[AD1848_IFACE_CTRL] & AD1848_PLAYBACK_ENABLE))
- return 0;
- ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
- return bytes_to_frames(substream->runtime, ptr);
-}
-
-static snd_pcm_uframes_t snd_ad1848_capture_pointer(struct snd_pcm_substream *substream)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- size_t ptr;
-
- if (!(chip->image[AD1848_IFACE_CTRL] & AD1848_CAPTURE_ENABLE))
- return 0;
- ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
- return bytes_to_frames(substream->runtime, ptr);
-}
-
/*
*/
snd_ad1848_out(chip, i, *ptr++);
spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_ad1848_mce_up(chip);
+ /* init needed for WSS pcm */
+ spin_lock_irqsave(&chip->reg_lock, flags);
+ chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE |
+ AD1848_PLAYBACK_PIO |
+ AD1848_CAPTURE_ENABLE |
+ AD1848_CAPTURE_PIO |
+ AD1848_CALIB_MODE);
+ chip->image[AD1848_IFACE_CTRL] |= AD1848_AUTOCALIB;
+ snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]);
+ spin_unlock_irqrestore(&chip->reg_lock, flags);
snd_ad1848_mce_down(chip);
return 0; /* all things are ok.. */
}
*/
-static struct snd_pcm_hardware snd_ad1848_playback =
-{
- .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_MMAP_VALID),
- .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
- SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE),
- .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
- .rate_min = 5510,
- .rate_max = 48000,
- .channels_min = 1,
- .channels_max = 2,
- .buffer_bytes_max = (128*1024),
- .period_bytes_min = 64,
- .period_bytes_max = (128*1024),
- .periods_min = 1,
- .periods_max = 1024,
- .fifo_size = 0,
-};
-
-static struct snd_pcm_hardware snd_ad1848_capture =
-{
- .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_MMAP_VALID),
- .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
- SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE),
- .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
- .rate_min = 5510,
- .rate_max = 48000,
- .channels_min = 1,
- .channels_max = 2,
- .buffer_bytes_max = (128*1024),
- .period_bytes_min = 64,
- .period_bytes_max = (128*1024),
- .periods_min = 1,
- .periods_max = 1024,
- .fifo_size = 0,
-};
-
-/*
-
- */
-
-static int snd_ad1848_playback_open(struct snd_pcm_substream *substream)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- int err;
-
- err = snd_ad1848_open(chip, WSS_MODE_PLAY);
- if (err < 0)
- return err;
- chip->playback_substream = substream;
- runtime->hw = snd_ad1848_playback;
- snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
- snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
- snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
- return 0;
-}
-
-static int snd_ad1848_capture_open(struct snd_pcm_substream *substream)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- int err;
-
- err = snd_ad1848_open(chip, WSS_MODE_RECORD);
- if (err < 0)
- return err;
- chip->capture_substream = substream;
- runtime->hw = snd_ad1848_capture;
- snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
- snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
- snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates);
- return 0;
-}
-
-static int snd_ad1848_playback_close(struct snd_pcm_substream *substream)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
-
- chip->mode &= ~WSS_MODE_PLAY;
- chip->playback_substream = NULL;
- snd_ad1848_close(chip);
- return 0;
-}
-
-static int snd_ad1848_capture_close(struct snd_pcm_substream *substream)
-{
- struct snd_wss *chip = snd_pcm_substream_chip(substream);
-
- chip->mode &= ~WSS_MODE_RECORD;
- chip->capture_substream = NULL;
- snd_ad1848_close(chip);
- return 0;
-}
-
static int snd_ad1848_free(struct snd_wss *chip)
{
release_and_free_resource(chip->res_port);
return snd_ad1848_free(chip);
}
-static const char *snd_ad1848_chip_id(struct snd_wss *chip)
-{
- switch (chip->hardware) {
- case AD1848_HW_AD1847: return "AD1847";
- case AD1848_HW_AD1848: return "AD1848";
- case AD1848_HW_CS4248: return "CS4248";
- case AD1848_HW_CMI8330: return "CMI8330/C3D";
- default: return "???";
- }
-}
-
int snd_ad1848_create(struct snd_card *card,
unsigned long port,
int irq, int dma,
EXPORT_SYMBOL(snd_ad1848_create);
-static struct snd_pcm_ops snd_ad1848_playback_ops = {
- .open = snd_ad1848_playback_open,
- .close = snd_ad1848_playback_close,
- .ioctl = snd_ad1848_ioctl,
- .hw_params = snd_ad1848_playback_hw_params,
- .hw_free = snd_ad1848_playback_hw_free,
- .prepare = snd_ad1848_playback_prepare,
- .trigger = snd_ad1848_playback_trigger,
- .pointer = snd_ad1848_playback_pointer,
-};
-
-static struct snd_pcm_ops snd_ad1848_capture_ops = {
- .open = snd_ad1848_capture_open,
- .close = snd_ad1848_capture_close,
- .ioctl = snd_ad1848_ioctl,
- .hw_params = snd_ad1848_capture_hw_params,
- .hw_free = snd_ad1848_capture_hw_free,
- .prepare = snd_ad1848_capture_prepare,
- .trigger = snd_ad1848_capture_trigger,
- .pointer = snd_ad1848_capture_pointer,
-};
-
-int snd_ad1848_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm)
-{
- struct snd_pcm *pcm;
- int err;
-
- if ((err = snd_pcm_new(chip->card, "AD1848", device, 1, 1, &pcm)) < 0)
- return err;
-
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1848_playback_ops);
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1848_capture_ops);
-
- pcm->private_data = chip;
- pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX;
- strcpy(pcm->name, snd_ad1848_chip_id(chip));
-
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- snd_dma_isa_data(),
- 64 * 1024,
- chip->dma1 > 3 ?
- 128 * 1024 : 64 * 1024);
-
- chip->pcm = pcm;
- if (rpcm)
- *rpcm = pcm;
- return 0;
-}
-
-EXPORT_SYMBOL(snd_ad1848_pcm);
-
-const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction)
-{
- return direction == SNDRV_PCM_STREAM_PLAYBACK ?
- &snd_ad1848_playback_ops : &snd_ad1848_capture_ops;
-}
-
-EXPORT_SYMBOL(snd_ad1848_get_pcm_ops);
-
/*
* INIT part
*/
projects / linux-2.6-omap-h63xx.git / blobdiff