247 lines
6.8 KiB
C
247 lines
6.8 KiB
C
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#ifndef OXYGEN_H_INCLUDED
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#define OXYGEN_H_INCLUDED
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#include <linux/mutex.h>
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#include <linux/spinlock.h>
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#include <linux/wait.h>
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#include <linux/workqueue.h>
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#include "oxygen_regs.h"
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/* 1 << PCM_x == OXYGEN_CHANNEL_x */
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#define PCM_A 0
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#define PCM_B 1
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#define PCM_C 2
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#define PCM_SPDIF 3
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#define PCM_MULTICH 4
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#define PCM_AC97 5
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#define PCM_COUNT 6
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#define OXYGEN_IO_SIZE 0x100
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#define OXYGEN_EEPROM_ID 0x434d /* "CM" */
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/* model-specific configuration of outputs/inputs */
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#define PLAYBACK_0_TO_I2S 0x0001
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/* PLAYBACK_0_TO_AC97_0 not implemented */
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#define PLAYBACK_1_TO_SPDIF 0x0004
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#define PLAYBACK_2_TO_AC97_1 0x0008
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#define CAPTURE_0_FROM_I2S_1 0x0010
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#define CAPTURE_0_FROM_I2S_2 0x0020
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/* CAPTURE_0_FROM_AC97_0 not implemented */
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#define CAPTURE_1_FROM_SPDIF 0x0080
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#define CAPTURE_2_FROM_I2S_2 0x0100
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#define CAPTURE_2_FROM_AC97_1 0x0200
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/* CAPTURE_3_FROM_I2S_3 not implemented */
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#define MIDI_OUTPUT 0x0800
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#define MIDI_INPUT 0x1000
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enum {
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CONTROL_SPDIF_PCM,
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CONTROL_SPDIF_INPUT_BITS,
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CONTROL_MIC_CAPTURE_SWITCH,
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CONTROL_LINE_CAPTURE_SWITCH,
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CONTROL_CD_CAPTURE_SWITCH,
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CONTROL_AUX_CAPTURE_SWITCH,
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CONTROL_COUNT
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};
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#define OXYGEN_PCI_SUBID(sv, sd) \
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.vendor = PCI_VENDOR_ID_CMEDIA, \
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.device = 0x8788, \
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.subvendor = sv, \
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.subdevice = sd
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#define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
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#define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
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OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
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.driver_data = BROKEN_EEPROM_DRIVER_DATA
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struct pci_dev;
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struct pci_device_id;
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struct snd_card;
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struct snd_pcm_substream;
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struct snd_pcm_hardware;
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struct snd_pcm_hw_params;
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struct snd_kcontrol_new;
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struct snd_rawmidi;
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struct oxygen;
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struct oxygen_model {
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const char *shortname;
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const char *longname;
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const char *chip;
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void (*init)(struct oxygen *chip);
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int (*control_filter)(struct snd_kcontrol_new *template);
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int (*mixer_init)(struct oxygen *chip);
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void (*cleanup)(struct oxygen *chip);
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void (*suspend)(struct oxygen *chip);
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void (*resume)(struct oxygen *chip);
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void (*pcm_hardware_filter)(unsigned int channel,
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struct snd_pcm_hardware *hardware);
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void (*set_dac_params)(struct oxygen *chip,
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struct snd_pcm_hw_params *params);
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void (*set_adc_params)(struct oxygen *chip,
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struct snd_pcm_hw_params *params);
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void (*update_dac_volume)(struct oxygen *chip);
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void (*update_dac_mute)(struct oxygen *chip);
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void (*gpio_changed)(struct oxygen *chip);
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void (*uart_input)(struct oxygen *chip);
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void (*ac97_switch)(struct oxygen *chip,
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unsigned int reg, unsigned int mute);
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const unsigned int *dac_tlv;
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unsigned long private_data;
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size_t model_data_size;
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unsigned int device_config;
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u8 dac_channels;
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u8 dac_volume_min;
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u8 dac_volume_max;
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u8 misc_flags;
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u8 function_flags;
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u16 dac_i2s_format;
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u16 adc_i2s_format;
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};
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struct oxygen {
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unsigned long addr;
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spinlock_t reg_lock;
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struct mutex mutex;
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struct snd_card *card;
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struct pci_dev *pci;
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struct snd_rawmidi *midi;
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int irq;
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void *model_data;
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unsigned int interrupt_mask;
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u8 dac_volume[8];
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u8 dac_mute;
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u8 pcm_active;
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u8 pcm_running;
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u8 dac_routing;
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u8 spdif_playback_enable;
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u8 revision;
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u8 has_ac97_0;
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u8 has_ac97_1;
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u32 spdif_bits;
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u32 spdif_pcm_bits;
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struct snd_pcm_substream *streams[PCM_COUNT];
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struct snd_kcontrol *controls[CONTROL_COUNT];
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struct work_struct spdif_input_bits_work;
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struct work_struct gpio_work;
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wait_queue_head_t ac97_waitqueue;
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union {
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u8 _8[OXYGEN_IO_SIZE];
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__le16 _16[OXYGEN_IO_SIZE / 2];
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__le32 _32[OXYGEN_IO_SIZE / 4];
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} saved_registers;
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u16 saved_ac97_registers[2][0x40];
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unsigned int uart_input_count;
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u8 uart_input[32];
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struct oxygen_model model;
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};
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/* oxygen_lib.c */
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int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
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struct module *owner,
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const struct pci_device_id *ids,
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int (*get_model)(struct oxygen *chip,
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const struct pci_device_id *id
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)
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);
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void oxygen_pci_remove(struct pci_dev *pci);
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#ifdef CONFIG_PM
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int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state);
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int oxygen_pci_resume(struct pci_dev *pci);
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#endif
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/* oxygen_mixer.c */
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int oxygen_mixer_init(struct oxygen *chip);
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void oxygen_update_dac_routing(struct oxygen *chip);
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void oxygen_update_spdif_source(struct oxygen *chip);
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/* oxygen_pcm.c */
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int oxygen_pcm_init(struct oxygen *chip);
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/* oxygen_io.c */
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u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
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u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
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u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
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void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
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void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
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void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
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void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
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u8 value, u8 mask);
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void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
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u16 value, u16 mask);
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void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
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u32 value, u32 mask);
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u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
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unsigned int index);
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void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
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unsigned int index, u16 data);
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void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
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unsigned int index, u16 data, u16 mask);
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void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
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void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
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void oxygen_reset_uart(struct oxygen *chip);
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void oxygen_write_uart(struct oxygen *chip, u8 data);
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u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
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void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
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static inline void oxygen_set_bits8(struct oxygen *chip,
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unsigned int reg, u8 value)
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{
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oxygen_write8_masked(chip, reg, value, value);
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}
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static inline void oxygen_set_bits16(struct oxygen *chip,
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unsigned int reg, u16 value)
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{
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oxygen_write16_masked(chip, reg, value, value);
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}
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static inline void oxygen_set_bits32(struct oxygen *chip,
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unsigned int reg, u32 value)
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{
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oxygen_write32_masked(chip, reg, value, value);
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}
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static inline void oxygen_clear_bits8(struct oxygen *chip,
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unsigned int reg, u8 value)
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{
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oxygen_write8_masked(chip, reg, 0, value);
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}
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static inline void oxygen_clear_bits16(struct oxygen *chip,
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unsigned int reg, u16 value)
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{
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oxygen_write16_masked(chip, reg, 0, value);
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}
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static inline void oxygen_clear_bits32(struct oxygen *chip,
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unsigned int reg, u32 value)
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{
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oxygen_write32_masked(chip, reg, 0, value);
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}
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static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
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unsigned int index, u16 value)
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{
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oxygen_write_ac97_masked(chip, codec, index, value, value);
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}
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static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
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unsigned int codec,
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unsigned int index, u16 value)
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{
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oxygen_write_ac97_masked(chip, codec, index, 0, value);
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}
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#endif
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