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author | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /sound/pci/oxygen/oxygen_lib.c | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) | |
download | op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.zip op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'sound/pci/oxygen/oxygen_lib.c')
-rw-r--r-- | sound/pci/oxygen/oxygen_lib.c | 101 |
1 files changed, 70 insertions, 31 deletions
diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c index 22f3785..84f481d 100644 --- a/sound/pci/oxygen/oxygen_lib.c +++ b/sound/pci/oxygen/oxygen_lib.c @@ -35,6 +35,30 @@ MODULE_DESCRIPTION("C-Media CMI8788 helper library"); 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; @@ -87,8 +111,12 @@ static irqreturn_t oxygen_interrupt(int dummy, void *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); @@ -161,8 +189,8 @@ static void oxygen_gpio_changed(struct work_struct *work) { 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 @@ -221,7 +249,7 @@ static void oxygen_init(struct oxygen *chip) 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 | @@ -243,7 +271,7 @@ static void oxygen_init(struct oxygen *chip) 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); @@ -255,7 +283,7 @@ static void oxygen_init(struct oxygen *chip) 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 | @@ -270,21 +298,21 @@ static void oxygen_init(struct oxygen *chip) (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 @@ -295,7 +323,7 @@ static void oxygen_init(struct oxygen *chip) 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 | @@ -417,14 +445,15 @@ static void oxygen_card_free(struct snd_card *card) 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; @@ -439,7 +468,7 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, 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); @@ -470,23 +499,28 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, 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) @@ -496,10 +530,15 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, 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; @@ -508,7 +547,7 @@ int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, 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; @@ -552,8 +591,8 @@ int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state) if (chip->streams[i]) snd_pcm_suspend(chip->streams[i]); - if (chip->model->suspend) - chip->model->suspend(chip); + if (chip->model.suspend) + chip->model.suspend(chip); spin_lock_irq(&chip->reg_lock); saved_interrupt_mask = chip->interrupt_mask; @@ -624,8 +663,8 @@ int oxygen_pci_resume(struct pci_dev *pci) if (chip->has_ac97_1) oxygen_restore_ac97(chip, 1); - if (chip->model->resume) - chip->model->resume(chip); + if (chip->model.resume) + chip->model.resume(chip); oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask); |