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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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30459d7b18
Under as yet unknown circumstances, the first word of the sound card's EEPROM gets overwritten. When this has happened, we cannot rely on the subsystem IDs that the kernel reads from the PCI configuration registers. Instead, we read the IDs directly from the EEPROM and do the ID matching manually. Because the model-specific driver cannot determine the model before calling oxygen_pci_probe(), that function now gets a get_model() callback as parameter. The customizing of the model structure, which was formerly done by the probe() callback, also has moved into get_model(). Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
244 lines
6.7 KiB
C
244 lines
6.7 KiB
C
#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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/* 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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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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