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Diffstat (limited to 'ANDROID_3.4.5/sound/pci/oxygen/oxygen_lib.c')
-rw-r--r--ANDROID_3.4.5/sound/pci/oxygen/oxygen_lib.c834
1 files changed, 0 insertions, 834 deletions
diff --git a/ANDROID_3.4.5/sound/pci/oxygen/oxygen_lib.c b/ANDROID_3.4.5/sound/pci/oxygen/oxygen_lib.c
deleted file mode 100644
index 92e2d67f..00000000
--- a/ANDROID_3.4.5/sound/pci/oxygen/oxygen_lib.c
+++ /dev/null
@@ -1,834 +0,0 @@
-/*
- * C-Media CMI8788 driver - main driver module
- *
- * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
- *
- *
- * This driver is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2.
- *
- * This driver is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this driver; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/mutex.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <sound/ac97_codec.h>
-#include <sound/asoundef.h>
-#include <sound/core.h>
-#include <sound/info.h>
-#include <sound/mpu401.h>
-#include <sound/pcm.h>
-#include "oxygen.h"
-#include "cm9780.h"
-
-MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
-MODULE_DESCRIPTION("C-Media CMI8788 helper library");
-MODULE_LICENSE("GPL v2");
-
-#define DRIVER "oxygen"
-
-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;
- unsigned int status, clear, elapsed_streams, i;
-
- status = oxygen_read16(chip, OXYGEN_INTERRUPT_STATUS);
- if (!status)
- return IRQ_NONE;
-
- spin_lock(&chip->reg_lock);
-
- clear = status & (OXYGEN_CHANNEL_A |
- OXYGEN_CHANNEL_B |
- OXYGEN_CHANNEL_C |
- OXYGEN_CHANNEL_SPDIF |
- OXYGEN_CHANNEL_MULTICH |
- OXYGEN_CHANNEL_AC97 |
- OXYGEN_INT_SPDIF_IN_DETECT |
- OXYGEN_INT_GPIO |
- OXYGEN_INT_AC97);
- if (clear) {
- if (clear & OXYGEN_INT_SPDIF_IN_DETECT)
- chip->interrupt_mask &= ~OXYGEN_INT_SPDIF_IN_DETECT;
- oxygen_write16(chip, OXYGEN_INTERRUPT_MASK,
- chip->interrupt_mask & ~clear);
- oxygen_write16(chip, OXYGEN_INTERRUPT_MASK,
- chip->interrupt_mask);
- }
-
- elapsed_streams = status & chip->pcm_running;
-
- spin_unlock(&chip->reg_lock);
-
- for (i = 0; i < PCM_COUNT; ++i)
- if ((elapsed_streams & (1 << i)) && chip->streams[i])
- snd_pcm_period_elapsed(chip->streams[i]);
-
- if (status & OXYGEN_INT_SPDIF_IN_DETECT) {
- spin_lock(&chip->reg_lock);
- i = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
- if (i & (OXYGEN_SPDIF_SENSE_INT | OXYGEN_SPDIF_LOCK_INT |
- OXYGEN_SPDIF_RATE_INT)) {
- /* write the interrupt bit(s) to clear */
- oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, i);
- schedule_work(&chip->spdif_input_bits_work);
- }
- spin_unlock(&chip->reg_lock);
- }
-
- if (status & OXYGEN_INT_GPIO)
- schedule_work(&chip->gpio_work);
-
- 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);
-
- return IRQ_HANDLED;
-}
-
-static void oxygen_spdif_input_bits_changed(struct work_struct *work)
-{
- struct oxygen *chip = container_of(work, struct oxygen,
- spdif_input_bits_work);
- u32 reg;
-
- /*
- * This function gets called when there is new activity on the SPDIF
- * input, or when we lose lock on the input signal, or when the rate
- * changes.
- */
- msleep(1);
- spin_lock_irq(&chip->reg_lock);
- reg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
- if ((reg & (OXYGEN_SPDIF_SENSE_STATUS |
- OXYGEN_SPDIF_LOCK_STATUS))
- == OXYGEN_SPDIF_SENSE_STATUS) {
- /*
- * If we detect activity on the SPDIF input but cannot lock to
- * a signal, the clock bit is likely to be wrong.
- */
- reg ^= OXYGEN_SPDIF_IN_CLOCK_MASK;
- oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, reg);
- spin_unlock_irq(&chip->reg_lock);
- msleep(1);
- spin_lock_irq(&chip->reg_lock);
- reg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
- if ((reg & (OXYGEN_SPDIF_SENSE_STATUS |
- OXYGEN_SPDIF_LOCK_STATUS))
- == OXYGEN_SPDIF_SENSE_STATUS) {
- /* nothing detected with either clock; give up */
- if ((reg & OXYGEN_SPDIF_IN_CLOCK_MASK)
- == OXYGEN_SPDIF_IN_CLOCK_192) {
- /*
- * Reset clock to <= 96 kHz because this is
- * more likely to be received next time.
- */
- reg &= ~OXYGEN_SPDIF_IN_CLOCK_MASK;
- reg |= OXYGEN_SPDIF_IN_CLOCK_96;
- oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, reg);
- }
- }
- }
- spin_unlock_irq(&chip->reg_lock);
-
- if (chip->controls[CONTROL_SPDIF_INPUT_BITS]) {
- spin_lock_irq(&chip->reg_lock);
- chip->interrupt_mask |= OXYGEN_INT_SPDIF_IN_DETECT;
- oxygen_write16(chip, OXYGEN_INTERRUPT_MASK,
- chip->interrupt_mask);
- spin_unlock_irq(&chip->reg_lock);
-
- /*
- * We don't actually know that any channel status bits have
- * changed, but let's send a notification just to be sure.
- */
- snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
- &chip->controls[CONTROL_SPDIF_INPUT_BITS]->id);
- }
-}
-
-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);
-}
-
-#ifdef CONFIG_PROC_FS
-static void oxygen_proc_read(struct snd_info_entry *entry,
- struct snd_info_buffer *buffer)
-{
- struct oxygen *chip = entry->private_data;
- int i, j;
-
- switch (oxygen_read8(chip, OXYGEN_REVISION) & OXYGEN_PACKAGE_ID_MASK) {
- case OXYGEN_PACKAGE_ID_8786: i = '6'; break;
- case OXYGEN_PACKAGE_ID_8787: i = '7'; break;
- case OXYGEN_PACKAGE_ID_8788: i = '8'; break;
- default: i = '?'; break;
- }
- snd_iprintf(buffer, "CMI878%c:\n", i);
- 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));
- snd_iprintf(buffer, "\n");
- }
- if (mutex_lock_interruptible(&chip->mutex) < 0)
- return;
- if (chip->has_ac97_0) {
- snd_iprintf(buffer, "\nAC97:\n");
- for (i = 0; i < 0x80; i += 0x10) {
- snd_iprintf(buffer, "%02x:", i);
- for (j = 0; j < 0x10; j += 2)
- snd_iprintf(buffer, " %04x",
- oxygen_read_ac97(chip, 0, i + j));
- snd_iprintf(buffer, "\n");
- }
- }
- if (chip->has_ac97_1) {
- snd_iprintf(buffer, "\nAC97 2:\n");
- for (i = 0; i < 0x80; i += 0x10) {
- snd_iprintf(buffer, "%02x:", i);
- for (j = 0; j < 0x10; j += 2)
- snd_iprintf(buffer, " %04x",
- oxygen_read_ac97(chip, 1, i + j));
- snd_iprintf(buffer, "\n");
- }
- }
- mutex_unlock(&chip->mutex);
- if (chip->model.dump_registers)
- chip->model.dump_registers(chip, buffer);
-}
-
-static void oxygen_proc_init(struct oxygen *chip)
-{
- struct snd_info_entry *entry;
-
- if (!snd_card_proc_new(chip->card, "oxygen", &entry))
- snd_info_set_text_ops(entry, chip, oxygen_proc_read);
-}
-#else
-#define oxygen_proc_init(chip)
-#endif
-
-static const struct pci_device_id *
-oxygen_search_pci_id(struct oxygen *chip, const struct pci_device_id ids[])
-{
- u16 subdevice;
-
- /*
- * Make sure the EEPROM pins are available, i.e., not used for SPI.
- * (This function is called before we initialize or use SPI.)
- */
- oxygen_clear_bits8(chip, OXYGEN_FUNCTION,
- OXYGEN_FUNCTION_ENABLE_SPI_4_5);
- /*
- * Read the subsystem device ID directly from the EEPROM, because the
- * chip didn't if the first EEPROM word was overwritten.
- */
- subdevice = oxygen_read_eeprom(chip, 2);
- /* use default ID if EEPROM is missing */
- if (subdevice == 0xffff && oxygen_read_eeprom(chip, 1) == 0xffff)
- subdevice = 0x8788;
- /*
- * We use only the subsystem device ID for searching because it is
- * unique even without the subsystem vendor ID, which may have been
- * overwritten in the EEPROM.
- */
- for (; ids->vendor; ++ids)
- if (ids->subdevice == subdevice &&
- ids->driver_data != BROKEN_EEPROM_DRIVER_DATA)
- return ids;
- return NULL;
-}
-
-static void oxygen_restore_eeprom(struct oxygen *chip,
- const struct pci_device_id *id)
-{
- u16 eeprom_id;
-
- eeprom_id = oxygen_read_eeprom(chip, 0);
- if (eeprom_id != OXYGEN_EEPROM_ID &&
- (eeprom_id != 0xffff || id->subdevice != 0x8788)) {
- /*
- * This function gets called only when a known card model has
- * been detected, i.e., we know there is a valid subsystem
- * product ID at index 2 in the EEPROM. Therefore, we have
- * been able to deduce the correct subsystem vendor ID, and
- * this is enough information to restore the original EEPROM
- * contents.
- */
- oxygen_write_eeprom(chip, 1, id->subvendor);
- oxygen_write_eeprom(chip, 0, OXYGEN_EEPROM_ID);
-
- oxygen_set_bits8(chip, OXYGEN_MISC,
- OXYGEN_MISC_WRITE_PCI_SUBID);
- pci_write_config_word(chip->pci, PCI_SUBSYSTEM_VENDOR_ID,
- id->subvendor);
- pci_write_config_word(chip->pci, PCI_SUBSYSTEM_ID,
- id->subdevice);
- oxygen_clear_bits8(chip, OXYGEN_MISC,
- OXYGEN_MISC_WRITE_PCI_SUBID);
-
- snd_printk(KERN_INFO "EEPROM ID restored\n");
- }
-}
-
-static void configure_pcie_bridge(struct pci_dev *pci)
-{
- enum { PEX811X, PI7C9X110 };
- static const struct pci_device_id bridge_ids[] = {
- { PCI_VDEVICE(PLX, 0x8111), .driver_data = PEX811X },
- { PCI_VDEVICE(PLX, 0x8112), .driver_data = PEX811X },
- { PCI_DEVICE(0x12d8, 0xe110), .driver_data = PI7C9X110 },
- { }
- };
- struct pci_dev *bridge;
- const struct pci_device_id *id;
- u32 tmp;
-
- if (!pci->bus || !pci->bus->self)
- return;
- bridge = pci->bus->self;
-
- id = pci_match_id(bridge_ids, bridge);
- if (!id)
- return;
-
- switch (id->driver_data) {
- case PEX811X: /* PLX PEX8111/PEX8112 PCIe/PCI bridge */
- pci_read_config_dword(bridge, 0x48, &tmp);
- tmp |= 1; /* enable blind prefetching */
- tmp |= 1 << 11; /* enable beacon generation */
- pci_write_config_dword(bridge, 0x48, tmp);
-
- pci_write_config_dword(bridge, 0x84, 0x0c);
- pci_read_config_dword(bridge, 0x88, &tmp);
- tmp &= ~(7 << 27);
- tmp |= 2 << 27; /* set prefetch size to 128 bytes */
- pci_write_config_dword(bridge, 0x88, tmp);
- break;
-
- case PI7C9X110: /* Pericom PI7C9X110 PCIe/PCI bridge */
- pci_read_config_dword(bridge, 0x40, &tmp);
- tmp |= 1; /* park the PCI arbiter to the sound chip */
- pci_write_config_dword(bridge, 0x40, tmp);
- break;
- }
-}
-
-static void oxygen_init(struct oxygen *chip)
-{
- unsigned int i;
-
- chip->dac_routing = 1;
- for (i = 0; i < 8; ++i)
- 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 |
- (IEC958_AES1_CON_PCM_CODER << OXYGEN_SPDIF_CATEGORY_SHIFT);
- chip->spdif_pcm_bits = chip->spdif_bits;
-
- if (!(oxygen_read8(chip, OXYGEN_REVISION) & OXYGEN_REVISION_2))
- oxygen_set_bits8(chip, OXYGEN_MISC,
- OXYGEN_MISC_PCI_MEM_W_1_CLOCK);
-
- i = oxygen_read16(chip, OXYGEN_AC97_CONTROL);
- chip->has_ac97_0 = (i & OXYGEN_AC97_CODEC_0) != 0;
- chip->has_ac97_1 = (i & OXYGEN_AC97_CODEC_1) != 0;
-
- oxygen_write8_masked(chip, OXYGEN_FUNCTION,
- OXYGEN_FUNCTION_RESET_CODEC |
- chip->model.function_flags,
- OXYGEN_FUNCTION_RESET_CODEC |
- OXYGEN_FUNCTION_2WIRE_SPI_MASK |
- OXYGEN_FUNCTION_ENABLE_SPI_4_5);
- oxygen_write8(chip, OXYGEN_DMA_STATUS, 0);
- oxygen_write8(chip, OXYGEN_DMA_PAUSE, 0);
- oxygen_write8(chip, OXYGEN_PLAY_CHANNELS,
- OXYGEN_PLAY_CHANNELS_2 |
- OXYGEN_DMA_A_BURST_8 |
- OXYGEN_DMA_MULTICH_BURST_8);
- oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
- oxygen_write8_masked(chip, OXYGEN_MISC,
- chip->model.misc_flags,
- OXYGEN_MISC_WRITE_PCI_SUBID |
- OXYGEN_MISC_REC_C_FROM_SPDIF |
- OXYGEN_MISC_REC_B_FROM_AC97 |
- OXYGEN_MISC_REC_A_FROM_MULTICH |
- OXYGEN_MISC_MIDI);
- oxygen_write8(chip, OXYGEN_REC_FORMAT,
- (OXYGEN_FORMAT_16 << OXYGEN_REC_FORMAT_A_SHIFT) |
- (OXYGEN_FORMAT_16 << OXYGEN_REC_FORMAT_B_SHIFT) |
- (OXYGEN_FORMAT_16 << OXYGEN_REC_FORMAT_C_SHIFT));
- oxygen_write8(chip, OXYGEN_PLAY_FORMAT,
- (OXYGEN_FORMAT_16 << OXYGEN_SPDIF_FORMAT_SHIFT) |
- (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_I2S_MCLK(chip->model.dac_mclks) |
- OXYGEN_I2S_BITS_16 |
- OXYGEN_I2S_MASTER |
- OXYGEN_I2S_BCLK_64);
- 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_I2S_MCLK(chip->model.adc_mclks) |
- 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.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_I2S_MCLK(chip->model.adc_mclks) |
- OXYGEN_I2S_BITS_16 |
- OXYGEN_I2S_MASTER |
- OXYGEN_I2S_BCLK_64);
- else
- oxygen_write16(chip, OXYGEN_I2S_B_FORMAT,
- OXYGEN_I2S_MASTER |
- OXYGEN_I2S_MUTE_MCLK);
- oxygen_write16(chip, OXYGEN_I2S_C_FORMAT,
- OXYGEN_I2S_MASTER |
- OXYGEN_I2S_MUTE_MCLK);
- oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
- OXYGEN_SPDIF_OUT_ENABLE |
- OXYGEN_SPDIF_LOOPBACK);
- 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_RATE_MASK |
- OXYGEN_SPDIF_LOCK_PAR |
- OXYGEN_SPDIF_IN_CLOCK_96,
- OXYGEN_SPDIF_SENSE_MASK |
- OXYGEN_SPDIF_LOCK_MASK |
- OXYGEN_SPDIF_RATE_MASK |
- OXYGEN_SPDIF_SENSE_PAR |
- OXYGEN_SPDIF_LOCK_PAR |
- OXYGEN_SPDIF_IN_CLOCK_MASK);
- else
- oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
- OXYGEN_SPDIF_SENSE_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);
- oxygen_write16(chip, OXYGEN_PLAY_ROUTING,
- OXYGEN_PLAY_MULTICH_I2S_DAC |
- OXYGEN_PLAY_SPDIF_SPDIF |
- (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
- (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
- (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
- (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT));
- oxygen_write8(chip, OXYGEN_REC_ROUTING,
- OXYGEN_REC_A_ROUTE_I2S_ADC_1 |
- OXYGEN_REC_B_ROUTE_I2S_ADC_2 |
- OXYGEN_REC_C_ROUTE_SPDIF);
- oxygen_write8(chip, OXYGEN_ADC_MONITOR, 0);
- oxygen_write8(chip, OXYGEN_A_MONITOR_ROUTING,
- (0 << OXYGEN_A_MONITOR_ROUTE_0_SHIFT) |
- (1 << OXYGEN_A_MONITOR_ROUTE_1_SHIFT) |
- (2 << OXYGEN_A_MONITOR_ROUTE_2_SHIFT) |
- (3 << OXYGEN_A_MONITOR_ROUTE_3_SHIFT));
-
- if (chip->has_ac97_0 | chip->has_ac97_1)
- oxygen_write8(chip, OXYGEN_AC97_INTERRUPT_MASK,
- OXYGEN_AC97_INT_READ_DONE |
- OXYGEN_AC97_INT_WRITE_DONE);
- else
- oxygen_write8(chip, OXYGEN_AC97_INTERRUPT_MASK, 0);
- oxygen_write32(chip, OXYGEN_AC97_OUT_CONFIG, 0);
- oxygen_write32(chip, OXYGEN_AC97_IN_CONFIG, 0);
- if (!(chip->has_ac97_0 | chip->has_ac97_1))
- oxygen_set_bits16(chip, OXYGEN_AC97_CONTROL,
- OXYGEN_AC97_CLOCK_DISABLE);
- if (!chip->has_ac97_0) {
- oxygen_set_bits16(chip, OXYGEN_AC97_CONTROL,
- OXYGEN_AC97_NO_CODEC_0);
- } else {
- oxygen_write_ac97(chip, 0, AC97_RESET, 0);
- msleep(1);
- oxygen_ac97_set_bits(chip, 0, CM9780_GPIO_SETUP,
- CM9780_GPIO0IO | CM9780_GPIO1IO);
- oxygen_ac97_set_bits(chip, 0, CM9780_MIXER,
- CM9780_BSTSEL | CM9780_STRO_MIC |
- CM9780_MIX2FR | CM9780_PCBSW);
- oxygen_ac97_set_bits(chip, 0, CM9780_JACK,
- CM9780_RSOE | CM9780_CBOE |
- CM9780_SSOE | CM9780_FROE |
- CM9780_MIC2MIC | CM9780_LI2LI);
- oxygen_write_ac97(chip, 0, AC97_MASTER, 0x0000);
- oxygen_write_ac97(chip, 0, AC97_PC_BEEP, 0x8000);
- oxygen_write_ac97(chip, 0, AC97_MIC, 0x8808);
- oxygen_write_ac97(chip, 0, AC97_LINE, 0x0808);
- oxygen_write_ac97(chip, 0, AC97_CD, 0x8808);
- oxygen_write_ac97(chip, 0, AC97_VIDEO, 0x8808);
- oxygen_write_ac97(chip, 0, AC97_AUX, 0x8808);
- oxygen_write_ac97(chip, 0, AC97_REC_GAIN, 0x8000);
- oxygen_write_ac97(chip, 0, AC97_CENTER_LFE_MASTER, 0x8080);
- oxygen_write_ac97(chip, 0, AC97_SURROUND_MASTER, 0x8080);
- oxygen_ac97_clear_bits(chip, 0, CM9780_GPIO_STATUS,
- CM9780_GPO0);
- /* power down unused ADCs and DACs */
- oxygen_ac97_set_bits(chip, 0, AC97_POWERDOWN,
- AC97_PD_PR0 | AC97_PD_PR1);
- oxygen_ac97_set_bits(chip, 0, AC97_EXTENDED_STATUS,
- AC97_EA_PRI | AC97_EA_PRJ | AC97_EA_PRK);
- }
- if (chip->has_ac97_1) {
- oxygen_set_bits32(chip, OXYGEN_AC97_OUT_CONFIG,
- OXYGEN_AC97_CODEC1_SLOT3 |
- OXYGEN_AC97_CODEC1_SLOT4);
- oxygen_write_ac97(chip, 1, AC97_RESET, 0);
- msleep(1);
- oxygen_write_ac97(chip, 1, AC97_MASTER, 0x0000);
- oxygen_write_ac97(chip, 1, AC97_HEADPHONE, 0x8000);
- oxygen_write_ac97(chip, 1, AC97_PC_BEEP, 0x8000);
- oxygen_write_ac97(chip, 1, AC97_MIC, 0x8808);
- oxygen_write_ac97(chip, 1, AC97_LINE, 0x8808);
- oxygen_write_ac97(chip, 1, AC97_CD, 0x8808);
- oxygen_write_ac97(chip, 1, AC97_VIDEO, 0x8808);
- oxygen_write_ac97(chip, 1, AC97_AUX, 0x8808);
- oxygen_write_ac97(chip, 1, AC97_PCM, 0x0808);
- oxygen_write_ac97(chip, 1, AC97_REC_SEL, 0x0000);
- oxygen_write_ac97(chip, 1, AC97_REC_GAIN, 0x0000);
- oxygen_ac97_set_bits(chip, 1, 0x6a, 0x0040);
- }
-}
-
-static void oxygen_shutdown(struct oxygen *chip)
-{
- spin_lock_irq(&chip->reg_lock);
- chip->interrupt_mask = 0;
- chip->pcm_running = 0;
- oxygen_write16(chip, OXYGEN_DMA_STATUS, 0);
- oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
- spin_unlock_irq(&chip->reg_lock);
-}
-
-static void oxygen_card_free(struct snd_card *card)
-{
- struct oxygen *chip = card->private_data;
-
- oxygen_shutdown(chip);
- if (chip->irq >= 0)
- free_irq(chip->irq, chip);
- flush_work_sync(&chip->spdif_input_bits_work);
- flush_work_sync(&chip->gpio_work);
- chip->model.cleanup(chip);
- kfree(chip->model_data);
- 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,
- struct module *owner,
- const struct pci_device_id *ids,
- int (*get_model)(struct oxygen *chip,
- const struct pci_device_id *id
- )
- )
-{
- struct snd_card *card;
- struct oxygen *chip;
- const struct pci_device_id *pci_id;
- int err;
-
- err = snd_card_create(index, id, owner, sizeof(*chip), &card);
- if (err < 0)
- return err;
-
- chip = card->private_data;
- chip->card = card;
- chip->pci = pci;
- chip->irq = -1;
- spin_lock_init(&chip->reg_lock);
- mutex_init(&chip->mutex);
- INIT_WORK(&chip->spdif_input_bits_work,
- oxygen_spdif_input_bits_changed);
- INIT_WORK(&chip->gpio_work, oxygen_gpio_changed);
- init_waitqueue_head(&chip->ac97_waitqueue);
-
- err = pci_enable_device(pci);
- if (err < 0)
- goto err_card;
-
- err = pci_request_regions(pci, DRIVER);
- if (err < 0) {
- snd_printk(KERN_ERR "cannot reserve PCI resources\n");
- goto err_pci_enable;
- }
-
- if (!(pci_resource_flags(pci, 0) & IORESOURCE_IO) ||
- pci_resource_len(pci, 0) < OXYGEN_IO_SIZE) {
- snd_printk(KERN_ERR "invalid PCI I/O range\n");
- err = -ENXIO;
- goto err_pci_regions;
- }
- chip->addr = pci_resource_start(pci, 0);
-
- pci_id = oxygen_search_pci_id(chip, ids);
- if (!pci_id) {
- err = -ENODEV;
- goto err_pci_regions;
- }
- oxygen_restore_eeprom(chip, pci_id);
- err = get_model(chip, pci_id);
- if (err < 0)
- goto err_pci_regions;
-
- if (chip->model.model_data_size) {
- chip->model_data = kzalloc(chip->model.model_data_size,
- GFP_KERNEL);
- if (!chip->model_data) {
- err = -ENOMEM;
- goto err_pci_regions;
- }
- }
-
- pci_set_master(pci);
- snd_card_set_dev(card, &pci->dev);
- card->private_free = oxygen_card_free;
-
- configure_pcie_bridge(pci);
- oxygen_init(chip);
- chip->model.init(chip);
-
- err = request_irq(pci->irq, oxygen_interrupt, IRQF_SHARED,
- KBUILD_MODNAME, 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, chip->model.chip);
- strcpy(card->shortname, chip->model.shortname);
- sprintf(card->longname, "%s at %#lx, irq %i",
- chip->model.longname, 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)
- goto err_card;
-
- err = oxygen_mixer_init(chip);
- if (err < 0)
- goto err_card;
-
- if (chip->model.device_config & (MIDI_OUTPUT | MIDI_INPUT)) {
- unsigned int info_flags =
- MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK;
- 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,
- info_flags, -1, &chip->midi);
- if (err < 0)
- goto err_card;
- }
-
- oxygen_proc_init(chip);
-
- spin_lock_irq(&chip->reg_lock);
- 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;
- oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, chip->interrupt_mask);
- spin_unlock_irq(&chip->reg_lock);
-
- err = snd_card_register(card);
- if (err < 0)
- goto err_card;
-
- pci_set_drvdata(pci, card);
- return 0;
-
-err_pci_regions:
- pci_release_regions(pci);
-err_pci_enable:
- pci_disable_device(pci);
-err_card:
- snd_card_free(card);
- return err;
-}
-EXPORT_SYMBOL(oxygen_pci_probe);
-
-void oxygen_pci_remove(struct pci_dev *pci)
-{
- snd_card_free(pci_get_drvdata(pci));
- 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_work_sync(&chip->spdif_input_bits_work);
- flush_work_sync(&chip->gpio_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 */
-
-void oxygen_pci_shutdown(struct pci_dev *pci)
-{
- struct snd_card *card = pci_get_drvdata(pci);
- struct oxygen *chip = card->private_data;
-
- oxygen_shutdown(chip);
- chip->model.cleanup(chip);
-}
-EXPORT_SYMBOL(oxygen_pci_shutdown);
generated by cgit (git 2.34.1) at 2024-12-21 18:04:18 +0000