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- #include <linux/delay.h>
- #include <linux/init.h>
- #include <linux/module.h>
- #include <linux/pci.h>
- #include <linux/dma-mapping.h>
- #include <linux/interrupt.h>
- #include <linux/slab.h>
- #include <linux/io.h>
- #include <sound/core.h>
- #include <sound/control.h>
- #include <sound/initval.h>
- #include <sound/pcm.h>
- #include <sound/pcm_params.h>
- #include <sound/ac97_codec.h>
- #include <sound/opl3.h>
- #define IRQ_DISABLE 0
- #define IRQ_ENABLE 1
- #define AC97_ACCESS 0x00
- #define AC97_READ 0x04
- #define AC97_STATUS 0x06
- #define AC97_DATA_AVAIL (1<<6)
- #define AC97_BUSY (1<<7)
- #define ALS300_IRQ_STATUS 0x07 /* ALS300 Only */
- #define IRQ_PLAYBACK (1<<3)
- #define IRQ_CAPTURE (1<<2)
- #define GCR_DATA 0x08
- #define GCR_INDEX 0x0C
- #define ALS300P_DRAM_IRQ_STATUS 0x0D /* ALS300+ Only */
- #define MPU_IRQ_STATUS 0x0E /* ALS300 Rev. E+, ALS300+ */
- #define ALS300P_IRQ_STATUS 0x0F /* ALS300+ Only */
- /* General Control Registers */
- #define PLAYBACK_START 0x80
- #define PLAYBACK_END 0x81
- #define PLAYBACK_CONTROL 0x82
- #define TRANSFER_START (1<<16)
- #define FIFO_PAUSE (1<<17)
- #define RECORD_START 0x83
- #define RECORD_END 0x84
- #define RECORD_CONTROL 0x85
- #define DRAM_WRITE_CONTROL 0x8B
- #define WRITE_TRANS_START (1<<16)
- #define DRAM_MODE_2 (1<<17)
- #define MISC_CONTROL 0x8C
- #define IRQ_SET_BIT (1<<15)
- #define VMUTE_NORMAL (1<<20)
- #define MMUTE_NORMAL (1<<21)
- #define MUS_VOC_VOL 0x8E
- #define PLAYBACK_BLOCK_COUNTER 0x9A
- #define RECORD_BLOCK_COUNTER 0x9B
- #define DEBUG_PLAY_REC 0
- #if DEBUG_PLAY_REC
- #define snd_als300_dbgplay(format, args...) printk(KERN_ERR format, ##args)
- #else
- #define snd_als300_dbgplay(format, args...)
- #endif
- enum {DEVICE_ALS300, DEVICE_ALS300_PLUS};
- MODULE_AUTHOR("Ash Willis <ashwillis@programmer.net>");
- MODULE_DESCRIPTION("Avance Logic ALS300");
- MODULE_LICENSE("GPL");
- MODULE_SUPPORTED_DEVICE("{{Avance Logic,ALS300},{Avance Logic,ALS300+}}");
- static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
- static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
- static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
- module_param_array(index, int, NULL, 0444);
- MODULE_PARM_DESC(index, "Index value for ALS300 sound card.");
- module_param_array(id, charp, NULL, 0444);
- MODULE_PARM_DESC(id, "ID string for ALS300 sound card.");
- module_param_array(enable, bool, NULL, 0444);
- MODULE_PARM_DESC(enable, "Enable ALS300 sound card.");
- struct snd_als300 {
- unsigned long port;
- spinlock_t reg_lock;
- struct snd_card *card;
- struct pci_dev *pci;
- struct snd_pcm *pcm;
- struct snd_pcm_substream *playback_substream;
- struct snd_pcm_substream *capture_substream;
- struct snd_ac97 *ac97;
- struct snd_opl3 *opl3;
- struct resource *res_port;
- int irq;
- int chip_type; /* ALS300 or ALS300+ */
- char revision;
- };
- struct snd_als300_substream_data {
- int period_flipflop;
- int control_register;
- int block_counter_register;
- };
- static const struct pci_device_id snd_als300_ids[] = {
- { 0x4005, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALS300 },
- { 0x4005, 0x0308, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALS300_PLUS },
- { 0, }
- };
- MODULE_DEVICE_TABLE(pci, snd_als300_ids);
- static inline u32 snd_als300_gcr_read(unsigned long port, unsigned short reg)
- {
- outb(reg, port+GCR_INDEX);
- return inl(port+GCR_DATA);
- }
- static inline void snd_als300_gcr_write(unsigned long port,
- unsigned short reg, u32 val)
- {
- outb(reg, port+GCR_INDEX);
- outl(val, port+GCR_DATA);
- }
- /* Enable/Disable Interrupts */
- static void snd_als300_set_irq_flag(struct snd_als300 *chip, int cmd)
- {
- u32 tmp = snd_als300_gcr_read(chip->port, MISC_CONTROL);
- /* boolean XOR check, since old vs. new hardware have
- directly reversed bit setting for ENABLE and DISABLE.
- ALS300+ acts like newer versions of ALS300 */
- if (((chip->revision > 5 || chip->chip_type == DEVICE_ALS300_PLUS) ^
- (cmd == IRQ_ENABLE)) == 0)
- tmp |= IRQ_SET_BIT;
- else
- tmp &= ~IRQ_SET_BIT;
- snd_als300_gcr_write(chip->port, MISC_CONTROL, tmp);
- }
- static int snd_als300_free(struct snd_als300 *chip)
- {
- snd_als300_set_irq_flag(chip, IRQ_DISABLE);
- if (chip->irq >= 0)
- free_irq(chip->irq, chip);
- pci_release_regions(chip->pci);
- pci_disable_device(chip->pci);
- kfree(chip);
- return 0;
- }
- static int snd_als300_dev_free(struct snd_device *device)
- {
- struct snd_als300 *chip = device->device_data;
- return snd_als300_free(chip);
- }
- static irqreturn_t snd_als300_interrupt(int irq, void *dev_id)
- {
- u8 status;
- struct snd_als300 *chip = dev_id;
- struct snd_als300_substream_data *data;
- status = inb(chip->port+ALS300_IRQ_STATUS);
- if (!status) /* shared IRQ, for different device?? Exit ASAP! */
- return IRQ_NONE;
- /* ACK everything ASAP */
- outb(status, chip->port+ALS300_IRQ_STATUS);
- if (status & IRQ_PLAYBACK) {
- if (chip->pcm && chip->playback_substream) {
- data = chip->playback_substream->runtime->private_data;
- data->period_flipflop ^= 1;
- snd_pcm_period_elapsed(chip->playback_substream);
- snd_als300_dbgplay("IRQ_PLAYBACK\n");
- }
- }
- if (status & IRQ_CAPTURE) {
- if (chip->pcm && chip->capture_substream) {
- data = chip->capture_substream->runtime->private_data;
- data->period_flipflop ^= 1;
- snd_pcm_period_elapsed(chip->capture_substream);
- snd_als300_dbgplay("IRQ_CAPTURE\n");
- }
- }
- return IRQ_HANDLED;
- }
- static irqreturn_t snd_als300plus_interrupt(int irq, void *dev_id)
- {
- u8 general, mpu, dram;
- struct snd_als300 *chip = dev_id;
- struct snd_als300_substream_data *data;
-
- general = inb(chip->port+ALS300P_IRQ_STATUS);
- mpu = inb(chip->port+MPU_IRQ_STATUS);
- dram = inb(chip->port+ALS300P_DRAM_IRQ_STATUS);
- /* shared IRQ, for different device?? Exit ASAP! */
- if ((general == 0) && ((mpu & 0x80) == 0) && ((dram & 0x01) == 0))
- return IRQ_NONE;
- if (general & IRQ_PLAYBACK) {
- if (chip->pcm && chip->playback_substream) {
- outb(IRQ_PLAYBACK, chip->port+ALS300P_IRQ_STATUS);
- data = chip->playback_substream->runtime->private_data;
- data->period_flipflop ^= 1;
- snd_pcm_period_elapsed(chip->playback_substream);
- snd_als300_dbgplay("IRQ_PLAYBACK\n");
- }
- }
- if (general & IRQ_CAPTURE) {
- if (chip->pcm && chip->capture_substream) {
- outb(IRQ_CAPTURE, chip->port+ALS300P_IRQ_STATUS);
- data = chip->capture_substream->runtime->private_data;
- data->period_flipflop ^= 1;
- snd_pcm_period_elapsed(chip->capture_substream);
- snd_als300_dbgplay("IRQ_CAPTURE\n");
- }
- }
- /* FIXME: Ack other interrupt types. Not important right now as
- * those other devices aren't enabled. */
- return IRQ_HANDLED;
- }
- static void snd_als300_remove(struct pci_dev *pci)
- {
- snd_card_free(pci_get_drvdata(pci));
- }
- static unsigned short snd_als300_ac97_read(struct snd_ac97 *ac97,
- unsigned short reg)
- {
- int i;
- struct snd_als300 *chip = ac97->private_data;
- for (i = 0; i < 1000; i++) {
- if ((inb(chip->port+AC97_STATUS) & (AC97_BUSY)) == 0)
- break;
- udelay(10);
- }
- outl((reg << 24) | (1 << 31), chip->port+AC97_ACCESS);
- for (i = 0; i < 1000; i++) {
- if ((inb(chip->port+AC97_STATUS) & (AC97_DATA_AVAIL)) != 0)
- break;
- udelay(10);
- }
- return inw(chip->port+AC97_READ);
- }
- static void snd_als300_ac97_write(struct snd_ac97 *ac97,
- unsigned short reg, unsigned short val)
- {
- int i;
- struct snd_als300 *chip = ac97->private_data;
- for (i = 0; i < 1000; i++) {
- if ((inb(chip->port+AC97_STATUS) & (AC97_BUSY)) == 0)
- break;
- udelay(10);
- }
- outl((reg << 24) | val, chip->port+AC97_ACCESS);
- }
- static int snd_als300_ac97(struct snd_als300 *chip)
- {
- struct snd_ac97_bus *bus;
- struct snd_ac97_template ac97;
- int err;
- static struct snd_ac97_bus_ops ops = {
- .write = snd_als300_ac97_write,
- .read = snd_als300_ac97_read,
- };
- if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &bus)) < 0)
- return err;
- memset(&ac97, 0, sizeof(ac97));
- ac97.private_data = chip;
- return snd_ac97_mixer(bus, &ac97, &chip->ac97);
- }
- /* hardware definition
- *
- * In AC97 mode, we always use 48k/16bit/stereo.
- * Any request to change data type is ignored by
- * the card when it is running outside of legacy
- * mode.
- */
- static struct snd_pcm_hardware snd_als300_playback_hw =
- {
- .info = (SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_MMAP_VALID),
- .formats = SNDRV_PCM_FMTBIT_S16,
- .rates = SNDRV_PCM_RATE_48000,
- .rate_min = 48000,
- .rate_max = 48000,
- .channels_min = 2,
- .channels_max = 2,
- .buffer_bytes_max = 64 * 1024,
- .period_bytes_min = 64,
- .period_bytes_max = 32 * 1024,
- .periods_min = 2,
- .periods_max = 2,
- };
- static struct snd_pcm_hardware snd_als300_capture_hw =
- {
- .info = (SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_MMAP_VALID),
- .formats = SNDRV_PCM_FMTBIT_S16,
- .rates = SNDRV_PCM_RATE_48000,
- .rate_min = 48000,
- .rate_max = 48000,
- .channels_min = 2,
- .channels_max = 2,
- .buffer_bytes_max = 64 * 1024,
- .period_bytes_min = 64,
- .period_bytes_max = 32 * 1024,
- .periods_min = 2,
- .periods_max = 2,
- };
- static int snd_als300_playback_open(struct snd_pcm_substream *substream)
- {
- struct snd_als300 *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_als300_substream_data *data = kzalloc(sizeof(*data),
- GFP_KERNEL);
- if (!data)
- return -ENOMEM;
- chip->playback_substream = substream;
- runtime->hw = snd_als300_playback_hw;
- runtime->private_data = data;
- data->control_register = PLAYBACK_CONTROL;
- data->block_counter_register = PLAYBACK_BLOCK_COUNTER;
- return 0;
- }
- static int snd_als300_playback_close(struct snd_pcm_substream *substream)
- {
- struct snd_als300 *chip = snd_pcm_substream_chip(substream);
- struct snd_als300_substream_data *data;
- data = substream->runtime->private_data;
- kfree(data);
- chip->playback_substream = NULL;
- snd_pcm_lib_free_pages(substream);
- return 0;
- }
- static int snd_als300_capture_open(struct snd_pcm_substream *substream)
- {
- struct snd_als300 *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_als300_substream_data *data = kzalloc(sizeof(*data),
- GFP_KERNEL);
- if (!data)
- return -ENOMEM;
- chip->capture_substream = substream;
- runtime->hw = snd_als300_capture_hw;
- runtime->private_data = data;
- data->control_register = RECORD_CONTROL;
- data->block_counter_register = RECORD_BLOCK_COUNTER;
- return 0;
- }
- static int snd_als300_capture_close(struct snd_pcm_substream *substream)
- {
- struct snd_als300 *chip = snd_pcm_substream_chip(substream);
- struct snd_als300_substream_data *data;
- data = substream->runtime->private_data;
- kfree(data);
- chip->capture_substream = NULL;
- snd_pcm_lib_free_pages(substream);
- return 0;
- }
- static int snd_als300_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
- {
- return snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
- }
- static int snd_als300_pcm_hw_free(struct snd_pcm_substream *substream)
- {
- return snd_pcm_lib_free_pages(substream);
- }
- static int snd_als300_playback_prepare(struct snd_pcm_substream *substream)
- {
- u32 tmp;
- struct snd_als300 *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned short period_bytes = snd_pcm_lib_period_bytes(substream);
- unsigned short buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
-
- spin_lock_irq(&chip->reg_lock);
- tmp = snd_als300_gcr_read(chip->port, PLAYBACK_CONTROL);
- tmp &= ~TRANSFER_START;
- snd_als300_dbgplay("Period bytes: %d Buffer bytes %d\n",
- period_bytes, buffer_bytes);
-
- /* set block size */
- tmp &= 0xffff0000;
- tmp |= period_bytes - 1;
- snd_als300_gcr_write(chip->port, PLAYBACK_CONTROL, tmp);
- /* set dma area */
- snd_als300_gcr_write(chip->port, PLAYBACK_START,
- runtime->dma_addr);
- snd_als300_gcr_write(chip->port, PLAYBACK_END,
- runtime->dma_addr + buffer_bytes - 1);
- spin_unlock_irq(&chip->reg_lock);
- return 0;
- }
- static int snd_als300_capture_prepare(struct snd_pcm_substream *substream)
- {
- u32 tmp;
- struct snd_als300 *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- unsigned short period_bytes = snd_pcm_lib_period_bytes(substream);
- unsigned short buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
- spin_lock_irq(&chip->reg_lock);
- tmp = snd_als300_gcr_read(chip->port, RECORD_CONTROL);
- tmp &= ~TRANSFER_START;
- snd_als300_dbgplay("Period bytes: %d Buffer bytes %d\n", period_bytes,
- buffer_bytes);
- /* set block size */
- tmp &= 0xffff0000;
- tmp |= period_bytes - 1;
- /* set dma area */
- snd_als300_gcr_write(chip->port, RECORD_CONTROL, tmp);
- snd_als300_gcr_write(chip->port, RECORD_START,
- runtime->dma_addr);
- snd_als300_gcr_write(chip->port, RECORD_END,
- runtime->dma_addr + buffer_bytes - 1);
- spin_unlock_irq(&chip->reg_lock);
- return 0;
- }
- static int snd_als300_trigger(struct snd_pcm_substream *substream, int cmd)
- {
- struct snd_als300 *chip = snd_pcm_substream_chip(substream);
- u32 tmp;
- struct snd_als300_substream_data *data;
- unsigned short reg;
- int ret = 0;
- data = substream->runtime->private_data;
- reg = data->control_register;
- spin_lock(&chip->reg_lock);
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- tmp = snd_als300_gcr_read(chip->port, reg);
- data->period_flipflop = 1;
- snd_als300_gcr_write(chip->port, reg, tmp | TRANSFER_START);
- snd_als300_dbgplay("TRIGGER START\n");
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- tmp = snd_als300_gcr_read(chip->port, reg);
- snd_als300_gcr_write(chip->port, reg, tmp & ~TRANSFER_START);
- snd_als300_dbgplay("TRIGGER STOP\n");
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- tmp = snd_als300_gcr_read(chip->port, reg);
- snd_als300_gcr_write(chip->port, reg, tmp | FIFO_PAUSE);
- snd_als300_dbgplay("TRIGGER PAUSE\n");
- break;
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- tmp = snd_als300_gcr_read(chip->port, reg);
- snd_als300_gcr_write(chip->port, reg, tmp & ~FIFO_PAUSE);
- snd_als300_dbgplay("TRIGGER RELEASE\n");
- break;
- default:
- snd_als300_dbgplay("TRIGGER INVALID\n");
- ret = -EINVAL;
- }
- spin_unlock(&chip->reg_lock);
- return ret;
- }
- static snd_pcm_uframes_t snd_als300_pointer(struct snd_pcm_substream *substream)
- {
- u16 current_ptr;
- struct snd_als300 *chip = snd_pcm_substream_chip(substream);
- struct snd_als300_substream_data *data;
- unsigned short period_bytes;
- data = substream->runtime->private_data;
- period_bytes = snd_pcm_lib_period_bytes(substream);
-
- spin_lock(&chip->reg_lock);
- current_ptr = (u16) snd_als300_gcr_read(chip->port,
- data->block_counter_register) + 4;
- spin_unlock(&chip->reg_lock);
- if (current_ptr > period_bytes)
- current_ptr = 0;
- else
- current_ptr = period_bytes - current_ptr;
- if (data->period_flipflop == 0)
- current_ptr += period_bytes;
- snd_als300_dbgplay("Pointer (bytes): %d\n", current_ptr);
- return bytes_to_frames(substream->runtime, current_ptr);
- }
- static struct snd_pcm_ops snd_als300_playback_ops = {
- .open = snd_als300_playback_open,
- .close = snd_als300_playback_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_als300_pcm_hw_params,
- .hw_free = snd_als300_pcm_hw_free,
- .prepare = snd_als300_playback_prepare,
- .trigger = snd_als300_trigger,
- .pointer = snd_als300_pointer,
- };
- static struct snd_pcm_ops snd_als300_capture_ops = {
- .open = snd_als300_capture_open,
- .close = snd_als300_capture_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_als300_pcm_hw_params,
- .hw_free = snd_als300_pcm_hw_free,
- .prepare = snd_als300_capture_prepare,
- .trigger = snd_als300_trigger,
- .pointer = snd_als300_pointer,
- };
- static int snd_als300_new_pcm(struct snd_als300 *chip)
- {
- struct snd_pcm *pcm;
- int err;
- err = snd_pcm_new(chip->card, "ALS300", 0, 1, 1, &pcm);
- if (err < 0)
- return err;
- pcm->private_data = chip;
- strcpy(pcm->name, "ALS300");
- chip->pcm = pcm;
- /* set operators */
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
- &snd_als300_playback_ops);
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &snd_als300_capture_ops);
- /* pre-allocation of buffers */
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
- return 0;
- }
- static void snd_als300_init(struct snd_als300 *chip)
- {
- unsigned long flags;
- u32 tmp;
-
- spin_lock_irqsave(&chip->reg_lock, flags);
- chip->revision = (snd_als300_gcr_read(chip->port, MISC_CONTROL) >> 16)
- & 0x0000000F;
- /* Setup DRAM */
- tmp = snd_als300_gcr_read(chip->port, DRAM_WRITE_CONTROL);
- snd_als300_gcr_write(chip->port, DRAM_WRITE_CONTROL,
- (tmp | DRAM_MODE_2)
- & ~WRITE_TRANS_START);
- /* Enable IRQ output */
- snd_als300_set_irq_flag(chip, IRQ_ENABLE);
- /* Unmute hardware devices so their outputs get routed to
- * the onboard mixer */
- tmp = snd_als300_gcr_read(chip->port, MISC_CONTROL);
- snd_als300_gcr_write(chip->port, MISC_CONTROL,
- tmp | VMUTE_NORMAL | MMUTE_NORMAL);
- /* Reset volumes */
- snd_als300_gcr_write(chip->port, MUS_VOC_VOL, 0);
- /* Make sure playback transfer is stopped */
- tmp = snd_als300_gcr_read(chip->port, PLAYBACK_CONTROL);
- snd_als300_gcr_write(chip->port, PLAYBACK_CONTROL,
- tmp & ~TRANSFER_START);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- }
- static int snd_als300_create(struct snd_card *card,
- struct pci_dev *pci, int chip_type,
- struct snd_als300 **rchip)
- {
- struct snd_als300 *chip;
- void *irq_handler;
- int err;
- static struct snd_device_ops ops = {
- .dev_free = snd_als300_dev_free,
- };
- *rchip = NULL;
- if ((err = pci_enable_device(pci)) < 0)
- return err;
- if (dma_set_mask(&pci->dev, DMA_BIT_MASK(28)) < 0 ||
- dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(28)) < 0) {
- dev_err(card->dev, "error setting 28bit DMA mask\n");
- pci_disable_device(pci);
- return -ENXIO;
- }
- pci_set_master(pci);
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (chip == NULL) {
- pci_disable_device(pci);
- return -ENOMEM;
- }
- chip->card = card;
- chip->pci = pci;
- chip->irq = -1;
- chip->chip_type = chip_type;
- spin_lock_init(&chip->reg_lock);
- if ((err = pci_request_regions(pci, "ALS300")) < 0) {
- kfree(chip);
- pci_disable_device(pci);
- return err;
- }
- chip->port = pci_resource_start(pci, 0);
- if (chip->chip_type == DEVICE_ALS300_PLUS)
- irq_handler = snd_als300plus_interrupt;
- else
- irq_handler = snd_als300_interrupt;
- if (request_irq(pci->irq, irq_handler, IRQF_SHARED,
- KBUILD_MODNAME, chip)) {
- dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
- snd_als300_free(chip);
- return -EBUSY;
- }
- chip->irq = pci->irq;
- snd_als300_init(chip);
- err = snd_als300_ac97(chip);
- if (err < 0) {
- dev_err(card->dev, "Could not create ac97\n");
- snd_als300_free(chip);
- return err;
- }
- if ((err = snd_als300_new_pcm(chip)) < 0) {
- dev_err(card->dev, "Could not create PCM\n");
- snd_als300_free(chip);
- return err;
- }
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
- chip, &ops)) < 0) {
- snd_als300_free(chip);
- return err;
- }
- *rchip = chip;
- return 0;
- }
- #ifdef CONFIG_PM_SLEEP
- static int snd_als300_suspend(struct device *dev)
- {
- struct snd_card *card = dev_get_drvdata(dev);
- struct snd_als300 *chip = card->private_data;
- snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
- snd_pcm_suspend_all(chip->pcm);
- snd_ac97_suspend(chip->ac97);
- return 0;
- }
- static int snd_als300_resume(struct device *dev)
- {
- struct snd_card *card = dev_get_drvdata(dev);
- struct snd_als300 *chip = card->private_data;
- snd_als300_init(chip);
- snd_ac97_resume(chip->ac97);
- snd_power_change_state(card, SNDRV_CTL_POWER_D0);
- return 0;
- }
- static SIMPLE_DEV_PM_OPS(snd_als300_pm, snd_als300_suspend, snd_als300_resume);
- #define SND_ALS300_PM_OPS &snd_als300_pm
- #else
- #define SND_ALS300_PM_OPS NULL
- #endif
- static int snd_als300_probe(struct pci_dev *pci,
- const struct pci_device_id *pci_id)
- {
- static int dev;
- struct snd_card *card;
- struct snd_als300 *chip;
- int err, chip_type;
- if (dev >= SNDRV_CARDS)
- return -ENODEV;
- if (!enable[dev]) {
- dev++;
- return -ENOENT;
- }
- err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
- 0, &card);
- if (err < 0)
- return err;
- chip_type = pci_id->driver_data;
- if ((err = snd_als300_create(card, pci, chip_type, &chip)) < 0) {
- snd_card_free(card);
- return err;
- }
- card->private_data = chip;
- strcpy(card->driver, "ALS300");
- if (chip->chip_type == DEVICE_ALS300_PLUS)
- /* don't know much about ALS300+ yet
- * print revision number for now */
- sprintf(card->shortname, "ALS300+ (Rev. %d)", chip->revision);
- else
- sprintf(card->shortname, "ALS300 (Rev. %c)", 'A' +
- chip->revision - 1);
- sprintf(card->longname, "%s at 0x%lx irq %i",
- card->shortname, chip->port, chip->irq);
- if ((err = snd_card_register(card)) < 0) {
- snd_card_free(card);
- return err;
- }
- pci_set_drvdata(pci, card);
- dev++;
- return 0;
- }
- static struct pci_driver als300_driver = {
- .name = KBUILD_MODNAME,
- .id_table = snd_als300_ids,
- .probe = snd_als300_probe,
- .remove = snd_als300_remove,
- .driver = {
- .pm = SND_ALS300_PM_OPS,
- },
- };
- module_pci_driver(als300_driver);
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