MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
MODULE_DESCRIPTION("C-Media CMI8788 helper library");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
+static inline int oxygen_uart_input_ready(struct oxygen *chip)
+{
+ return !(oxygen_read8(chip, OXYGEN_MPU401 + 1) & MPU401_RX_EMPTY);
+}
+
+static void oxygen_read_uart(struct oxygen *chip)
+{
+ if (unlikely(!oxygen_uart_input_ready(chip))) {
+ /* no data, but read it anyway to clear the interrupt */
+ oxygen_read8(chip, OXYGEN_MPU401);
+ return;
+ }
+ do {
+ u8 data = oxygen_read8(chip, OXYGEN_MPU401);
+ if (data == MPU401_ACK)
+ continue;
+ if (chip->uart_input_count >= ARRAY_SIZE(chip->uart_input))
+ chip->uart_input_count = 0;
+ chip->uart_input[chip->uart_input_count++] = data;
+ } while (oxygen_uart_input_ready(chip));
+ if (chip->model.uart_input)
+ chip->model.uart_input(chip);
+}
+
static irqreturn_t oxygen_interrupt(int dummy, void *dev_id)
{
struct oxygen *chip = dev_id;
if (status & OXYGEN_INT_GPIO)
schedule_work(&chip->gpio_work);
- if ((status & OXYGEN_INT_MIDI) && chip->midi)
- snd_mpu401_uart_interrupt(0, chip->midi->private_data);
+ if (status & OXYGEN_INT_MIDI) {
+ if (chip->midi)
+ snd_mpu401_uart_interrupt(0, chip->midi->private_data);
+ else
+ oxygen_read_uart(chip);
+ }
if (status & OXYGEN_INT_AC97)
wake_up(&chip->ac97_waitqueue);
{
struct oxygen *chip = container_of(work, struct oxygen, gpio_work);
- if (chip->model->gpio_changed)
- chip->model->gpio_changed(chip);
+ if (chip->model.gpio_changed)
+ chip->model.gpio_changed(chip);
}
#ifdef CONFIG_PROC_FS
int i, j;
snd_iprintf(buffer, "CMI8788\n\n");
- for (i = 0; i < 0x100; i += 0x10) {
+ for (i = 0; i < OXYGEN_IO_SIZE; i += 0x10) {
snd_iprintf(buffer, "%02x:", i);
for (j = 0; j < 0x10; ++j)
snd_iprintf(buffer, " %02x", oxygen_read8(chip, i + j));
chip->dac_routing = 1;
for (i = 0; i < 8; ++i)
- chip->dac_volume[i] = chip->model->dac_volume_min;
+ chip->dac_volume[i] = chip->model.dac_volume_min;
chip->dac_mute = 1;
chip->spdif_playback_enable = 1;
chip->spdif_bits = OXYGEN_SPDIF_C | OXYGEN_SPDIF_ORIGINAL |
oxygen_write8_masked(chip, OXYGEN_FUNCTION,
OXYGEN_FUNCTION_RESET_CODEC |
- chip->model->function_flags,
+ chip->model.function_flags,
OXYGEN_FUNCTION_RESET_CODEC |
OXYGEN_FUNCTION_2WIRE_SPI_MASK |
OXYGEN_FUNCTION_ENABLE_SPI_4_5);
OXYGEN_DMA_MULTICH_BURST_8);
oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
oxygen_write8_masked(chip, OXYGEN_MISC,
- chip->model->misc_flags,
+ chip->model.misc_flags,
OXYGEN_MISC_WRITE_PCI_SUBID |
OXYGEN_MISC_REC_C_FROM_SPDIF |
OXYGEN_MISC_REC_B_FROM_AC97 |
(OXYGEN_FORMAT_16 << OXYGEN_MULTICH_FORMAT_SHIFT));
oxygen_write8(chip, OXYGEN_REC_CHANNELS, OXYGEN_REC_CHANNELS_2_2_2);
oxygen_write16(chip, OXYGEN_I2S_MULTICH_FORMAT,
- OXYGEN_RATE_48000 | chip->model->dac_i2s_format |
+ OXYGEN_RATE_48000 | chip->model.dac_i2s_format |
OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
- if (chip->model->pcm_dev_cfg & CAPTURE_0_FROM_I2S_1)
+ if (chip->model.device_config & CAPTURE_0_FROM_I2S_1)
oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
- OXYGEN_RATE_48000 | chip->model->adc_i2s_format |
+ OXYGEN_RATE_48000 | chip->model.adc_i2s_format |
OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
else
oxygen_write16(chip, OXYGEN_I2S_A_FORMAT,
OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK);
- if (chip->model->pcm_dev_cfg & (CAPTURE_0_FROM_I2S_2 |
- CAPTURE_2_FROM_I2S_2))
+ if (chip->model.device_config & (CAPTURE_0_FROM_I2S_2 |
+ CAPTURE_2_FROM_I2S_2))
oxygen_write16(chip, OXYGEN_I2S_B_FORMAT,
- OXYGEN_RATE_48000 | chip->model->adc_i2s_format |
+ OXYGEN_RATE_48000 | chip->model.adc_i2s_format |
OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 |
OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64);
else
oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
OXYGEN_SPDIF_OUT_ENABLE |
OXYGEN_SPDIF_LOOPBACK);
- if (chip->model->pcm_dev_cfg & CAPTURE_1_FROM_SPDIF)
+ if (chip->model.device_config & CAPTURE_1_FROM_SPDIF)
oxygen_write32_masked(chip, OXYGEN_SPDIF_CONTROL,
OXYGEN_SPDIF_SENSE_MASK |
OXYGEN_SPDIF_LOCK_MASK |
OXYGEN_SPDIF_LOCK_MASK |
OXYGEN_SPDIF_RATE_MASK);
oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS, chip->spdif_bits);
+ oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
+ OXYGEN_2WIRE_LENGTH_8 |
+ OXYGEN_2WIRE_INTERRUPT_MASK |
+ OXYGEN_2WIRE_SPEED_STANDARD);
oxygen_clear_bits8(chip, OXYGEN_MPU401_CONTROL, OXYGEN_MPU401_LOOPBACK);
oxygen_write8(chip, OXYGEN_GPI_INTERRUPT_MASK, 0);
oxygen_write16(chip, OXYGEN_GPIO_INTERRUPT_MASK, 0);
if (chip->irq >= 0)
free_irq(chip->irq, chip);
flush_scheduled_work();
- chip->model->cleanup(chip);
+ chip->model.cleanup(chip);
mutex_destroy(&chip->mutex);
pci_release_regions(chip->pci);
pci_disable_device(chip->pci);
}
int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
- const struct oxygen_model *model)
+ const struct oxygen_model *model,
+ unsigned long driver_data)
{
struct snd_card *card;
struct oxygen *chip;
chip->card = card;
chip->pci = pci;
chip->irq = -1;
- chip->model = model;
+ chip->model = *model;
chip->model_data = chip + 1;
spin_lock_init(&chip->reg_lock);
mutex_init(&chip->mutex);
}
if (!(pci_resource_flags(pci, 0) & IORESOURCE_IO) ||
- pci_resource_len(pci, 0) < 0x100) {
+ pci_resource_len(pci, 0) < OXYGEN_IO_SIZE) {
snd_printk(KERN_ERR "invalid PCI I/O range\n");
err = -ENXIO;
goto err_pci_regions;
snd_card_set_dev(card, &pci->dev);
card->private_free = oxygen_card_free;
+ if (chip->model.probe) {
+ err = chip->model.probe(chip, driver_data);
+ if (err < 0)
+ goto err_card;
+ }
oxygen_init(chip);
- model->init(chip);
+ chip->model.init(chip);
err = request_irq(pci->irq, oxygen_interrupt, IRQF_SHARED,
- model->chip, chip);
+ chip->model.chip, chip);
if (err < 0) {
snd_printk(KERN_ERR "cannot grab interrupt %d\n", pci->irq);
goto err_card;
}
chip->irq = pci->irq;
- strcpy(card->driver, model->chip);
- strcpy(card->shortname, model->shortname);
+ strcpy(card->driver, chip->model.chip);
+ strcpy(card->shortname, chip->model.shortname);
sprintf(card->longname, "%s (rev %u) at %#lx, irq %i",
- model->longname, chip->revision, chip->addr, chip->irq);
- strcpy(card->mixername, model->chip);
- snd_component_add(card, model->chip);
+ chip->model.longname, chip->revision, chip->addr, chip->irq);
+ strcpy(card->mixername, chip->model.chip);
+ snd_component_add(card, chip->model.chip);
err = oxygen_pcm_init(chip);
if (err < 0)
if (err < 0)
goto err_card;
- if (model->misc_flags & OXYGEN_MISC_MIDI) {
+ if (chip->model.device_config & (MIDI_OUTPUT | MIDI_INPUT)) {
+ unsigned int info_flags = MPU401_INFO_INTEGRATED;
+ if (chip->model.device_config & MIDI_OUTPUT)
+ info_flags |= MPU401_INFO_OUTPUT;
+ if (chip->model.device_config & MIDI_INPUT)
+ info_flags |= MPU401_INFO_INPUT;
err = snd_mpu401_uart_new(card, 0, MPU401_HW_CMIPCI,
chip->addr + OXYGEN_MPU401,
- MPU401_INFO_INTEGRATED, 0, 0,
+ info_flags, 0, 0,
&chip->midi);
if (err < 0)
goto err_card;
oxygen_proc_init(chip);
spin_lock_irq(&chip->reg_lock);
- if (chip->model->pcm_dev_cfg & CAPTURE_1_FROM_SPDIF)
+ if (chip->model.device_config & CAPTURE_1_FROM_SPDIF)
chip->interrupt_mask |= OXYGEN_INT_SPDIF_IN_DETECT;
if (chip->has_ac97_0 | chip->has_ac97_1)
chip->interrupt_mask |= OXYGEN_INT_AC97;
pci_set_drvdata(pci, NULL);
}
EXPORT_SYMBOL(oxygen_pci_remove);
+
+#ifdef CONFIG_PM
+int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct oxygen *chip = card->private_data;
+ unsigned int i, saved_interrupt_mask;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+
+ for (i = 0; i < PCM_COUNT; ++i)
+ if (chip->streams[i])
+ snd_pcm_suspend(chip->streams[i]);
+
+ if (chip->model.suspend)
+ chip->model.suspend(chip);
+
+ spin_lock_irq(&chip->reg_lock);
+ saved_interrupt_mask = chip->interrupt_mask;
+ chip->interrupt_mask = 0;
+ oxygen_write16(chip, OXYGEN_DMA_STATUS, 0);
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
+ spin_unlock_irq(&chip->reg_lock);
+
+ synchronize_irq(chip->irq);
+ flush_scheduled_work();
+ chip->interrupt_mask = saved_interrupt_mask;
+
+ pci_disable_device(pci);
+ pci_save_state(pci);
+ pci_set_power_state(pci, pci_choose_state(pci, state));
+ return 0;
+}
+EXPORT_SYMBOL(oxygen_pci_suspend);
+
+static const u32 registers_to_restore[OXYGEN_IO_SIZE / 32] = {
+ 0xffffffff, 0x00ff077f, 0x00011d08, 0x007f00ff,
+ 0x00300000, 0x00000fe4, 0x0ff7001f, 0x00000000
+};
+static const u32 ac97_registers_to_restore[2][0x40 / 32] = {
+ { 0x18284fa2, 0x03060000 },
+ { 0x00007fa6, 0x00200000 }
+};
+
+static inline int is_bit_set(const u32 *bitmap, unsigned int bit)
+{
+ return bitmap[bit / 32] & (1 << (bit & 31));
+}
+
+static void oxygen_restore_ac97(struct oxygen *chip, unsigned int codec)
+{
+ unsigned int i;
+
+ oxygen_write_ac97(chip, codec, AC97_RESET, 0);
+ msleep(1);
+ for (i = 1; i < 0x40; ++i)
+ if (is_bit_set(ac97_registers_to_restore[codec], i))
+ oxygen_write_ac97(chip, codec, i * 2,
+ chip->saved_ac97_registers[codec][i]);
+}
+
+int oxygen_pci_resume(struct pci_dev *pci)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct oxygen *chip = card->private_data;
+ unsigned int i;
+
+ pci_set_power_state(pci, PCI_D0);
+ pci_restore_state(pci);
+ if (pci_enable_device(pci) < 0) {
+ snd_printk(KERN_ERR "cannot reenable device");
+ snd_card_disconnect(card);
+ return -EIO;
+ }
+ pci_set_master(pci);
+
+ oxygen_write16(chip, OXYGEN_DMA_STATUS, 0);
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
+ for (i = 0; i < OXYGEN_IO_SIZE; ++i)
+ if (is_bit_set(registers_to_restore, i))
+ oxygen_write8(chip, i, chip->saved_registers._8[i]);
+ if (chip->has_ac97_0)
+ oxygen_restore_ac97(chip, 0);
+ if (chip->has_ac97_1)
+ oxygen_restore_ac97(chip, 1);
+
+ if (chip->model.resume)
+ chip->model.resume(chip);
+
+ oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+EXPORT_SYMBOL(oxygen_pci_resume);
+#endif /* CONFIG_PM */
projects / linux-2.6-omap-h63xx.git / blobdiff