sound: oxygen: handle cards with missing EEPROM
[safe/jmp/linux-2.6] / sound / pci / oxygen / oxygen_lib.c
index ba2bb49..9a8936e 100644 (file)
 #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");
+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)
 {
@@ -51,11 +77,12 @@ static irqreturn_t oxygen_interrupt(int dummy, void *dev_id)
                          OXYGEN_CHANNEL_SPDIF |
                          OXYGEN_CHANNEL_MULTICH |
                          OXYGEN_CHANNEL_AC97 |
-                         OXYGEN_INT_SPDIF_IN_CHANGE |
-                         OXYGEN_INT_GPIO);
+                         OXYGEN_INT_SPDIF_IN_DETECT |
+                         OXYGEN_INT_GPIO |
+                         OXYGEN_INT_AC97);
        if (clear) {
-               if (clear & OXYGEN_INT_SPDIF_IN_CHANGE)
-                       chip->interrupt_mask &= ~OXYGEN_INT_SPDIF_IN_CHANGE;
+               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,
@@ -70,10 +97,12 @@ static irqreturn_t oxygen_interrupt(int dummy, void *dev_id)
                if ((elapsed_streams & (1 << i)) && chip->streams[i])
                        snd_pcm_period_elapsed(chip->streams[i]);
 
-       if (status & OXYGEN_INT_SPDIF_IN_CHANGE) {
+       if (status & OXYGEN_INT_SPDIF_IN_DETECT) {
                spin_lock(&chip->reg_lock);
                i = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
-               if (i & OXYGEN_SPDIF_IN_CHANGE) {
+               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);
                }
@@ -81,10 +110,17 @@ 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) {
+               if (chip->midi)
+                       snd_mpu401_uart_interrupt(0, chip->midi->private_data);
+               else
+                       oxygen_read_uart(chip);
+       }
 
-       if ((status & OXYGEN_INT_MIDI) && chip->midi)
-               snd_mpu401_uart_interrupt(0, chip->midi->private_data);
+       if (status & OXYGEN_INT_AC97)
+               wake_up(&chip->ac97_waitqueue);
 
        return IRQ_HANDLED;
 }
@@ -93,39 +129,71 @@ 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;
 
-       spin_lock_irq(&chip->reg_lock);
-       oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL, OXYGEN_SPDIF_IN_INVERT);
-       spin_unlock_irq(&chip->reg_lock);
+       /*
+        * 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);
-       if (!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL)
-             & OXYGEN_SPDIF_IN_VALID)) {
-               spin_lock_irq(&chip->reg_lock);
-               oxygen_set_bits32(chip, OXYGEN_SPDIF_CONTROL,
-                                 OXYGEN_SPDIF_IN_INVERT);
+       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);
-               if (!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL)
-                     & OXYGEN_SPDIF_IN_VALID)) {
-                       spin_lock_irq(&chip->reg_lock);
-                       oxygen_clear_bits32(chip, OXYGEN_SPDIF_CONTROL,
-                                           OXYGEN_SPDIF_IN_INVERT);
-                       spin_unlock_irq(&chip->reg_lock);
+               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_CHANGE;
+               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)
@@ -134,7 +202,7 @@ static void oxygen_proc_read(struct snd_info_entry *entry,
        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));
@@ -165,7 +233,7 @@ static void oxygen_proc_read(struct snd_info_entry *entry,
        mutex_unlock(&chip->mutex);
 }
 
-static void __devinit oxygen_proc_init(struct oxygen *chip)
+static void oxygen_proc_init(struct oxygen *chip)
 {
        struct snd_info_entry *entry;
 
@@ -176,13 +244,73 @@ static void __devinit oxygen_proc_init(struct oxygen *chip)
 #define oxygen_proc_init(chip)
 #endif
 
-static void __devinit oxygen_init(struct oxygen *chip)
+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)
+               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)
+{
+       if (oxygen_read_eeprom(chip, 0) != OXYGEN_EEPROM_ID) {
+               /*
+                * 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 oxygen_init(struct oxygen *chip)
 {
        unsigned int i;
 
        chip->dac_routing = 1;
        for (i = 0; i < 8; ++i)
-               chip->dac_volume[i] = 0xff;
+               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);
@@ -194,40 +322,137 @@ static void __devinit oxygen_init(struct oxygen *chip)
                chip->revision = 1;
 
        if (chip->revision == 1)
-               oxygen_set_bits8(chip, OXYGEN_MISC, OXYGEN_MISC_MAGIC);
+               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_set_bits8(chip, OXYGEN_FUNCTION,
-                        OXYGEN_FUNCTION_RESET_CODEC |
-                        OXYGEN_FUNCTION_ENABLE_SPI_4_5);
-       oxygen_write16(chip, OXYGEN_I2S_MULTICH_FORMAT, 0x010a);
-       oxygen_write16(chip, OXYGEN_I2S_A_FORMAT, 0x010a);
-       oxygen_write16(chip, OXYGEN_I2S_B_FORMAT, 0x010a);
-       oxygen_write16(chip, OXYGEN_I2S_C_FORMAT, 0x010a);
-       oxygen_set_bits32(chip, OXYGEN_SPDIF_CONTROL, OXYGEN_SPDIF_MAGIC2);
-       oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS, chip->spdif_bits);
-       oxygen_write16(chip, OXYGEN_PLAY_ROUTING, 0xe100);
-       oxygen_write8(chip, OXYGEN_REC_ROUTING, 0x10);
-       oxygen_write8(chip, OXYGEN_ADC_MONITOR, 0x00);
-       oxygen_write8(chip, OXYGEN_A_MONITOR_ROUTING, 0xe4);
-
+       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_write16(chip, OXYGEN_DMA_STATUS, 0);
-
-       oxygen_write8(chip, OXYGEN_AC97_INTERRUPT_MASK, 0x00);
-       if (chip->has_ac97_0) {
-               oxygen_clear_bits16(chip, OXYGEN_AC97_OUT_CONFIG,
-                                   OXYGEN_AC97_OUT_MAGIC3);
-               oxygen_set_bits16(chip, OXYGEN_AC97_IN_CONFIG,
-                                 OXYGEN_AC97_IN_MAGIC3);
+       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_256 | 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_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.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_256 | 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, 0x70, 0x0300);
-               oxygen_ac97_set_bits(chip, 0, 0x64, 0x8043);
-               oxygen_ac97_set_bits(chip, 0, 0x62, 0x180f);
+               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);
@@ -238,13 +463,33 @@ static void __devinit oxygen_init(struct oxygen *chip)
                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, 0x72, 0x0001);
+               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_card_free(struct snd_card *card)
@@ -257,77 +502,102 @@ static void oxygen_card_free(struct snd_card *card)
        oxygen_write16(chip, OXYGEN_DMA_STATUS, 0);
        oxygen_write16(chip, OXYGEN_INTERRUPT_MASK, 0);
        spin_unlock_irq(&chip->reg_lock);
-       if (chip->irq >= 0) {
+       if (chip->irq >= 0)
                free_irq(chip->irq, chip);
-               synchronize_irq(chip->irq);
-       }
        flush_scheduled_work();
-       chip->model->cleanup(chip);
+       chip->model.cleanup(chip);
+       kfree(chip->model_data);
        mutex_destroy(&chip->mutex);
        pci_release_regions(chip->pci);
        pci_disable_device(chip->pci);
 }
 
-int __devinit oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
-                              const struct oxygen_model *model)
+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;
 
-       card = snd_card_new(index, id, model->owner, sizeof *chip);
-       if (!card)
-               return -ENOMEM;
+       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;
-       chip->model = model;
        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, model->chip);
+       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) < 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;
        }
        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;
 
        oxygen_init(chip);
-       model->init(chip);
+       chip->model.init(chip);
 
        err = request_irq(pci->irq, oxygen_interrupt, IRQF_SHARED,
-                         model->chip, chip);
+                         DRIVER, 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)
@@ -337,10 +607,15 @@ int __devinit oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
        if (err < 0)
                goto err_card;
 
-       if (oxygen_read8(chip, OXYGEN_MISC) & 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;
@@ -349,7 +624,10 @@ int __devinit oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
        oxygen_proc_init(chip);
 
        spin_lock_irq(&chip->reg_lock);
-       chip->interrupt_mask |= OXYGEN_INT_SPDIF_IN_CHANGE;
+       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);
 
@@ -370,9 +648,105 @@ err_card:
 }
 EXPORT_SYMBOL(oxygen_pci_probe);
 
-void __devexit oxygen_pci_remove(struct pci_dev *pci)
+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_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 */