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oxygen.h
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef OXYGEN_H_INCLUDED
#define OXYGEN_H_INCLUDED
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include "oxygen_regs.h"
/* 1 << PCM_x == OXYGEN_CHANNEL_x */
#define PCM_A 0
#define PCM_B 1
#define PCM_C 2
#define PCM_SPDIF 3
#define PCM_MULTICH 4
#define PCM_AC97 5
#define PCM_COUNT 6
#define OXYGEN_MCLKS(f_single, f_double, f_quad) ((MCLK_##f_single << 0) | \
(MCLK_##f_double << 2) | \
(MCLK_##f_quad << 4))
#define OXYGEN_IO_SIZE 0x100
#define OXYGEN_EEPROM_ID 0x434d /* "CM" */
/* model-specific configuration of outputs/inputs */
#define PLAYBACK_0_TO_I2S 0x0001
/* PLAYBACK_0_TO_AC97_0 not implemented */
#define PLAYBACK_1_TO_SPDIF 0x0004
#define PLAYBACK_2_TO_AC97_1 0x0008
#define CAPTURE_0_FROM_I2S_1 0x0010
#define CAPTURE_0_FROM_I2S_2 0x0020
/* CAPTURE_0_FROM_AC97_0 not implemented */
#define CAPTURE_1_FROM_SPDIF 0x0080
#define CAPTURE_2_FROM_I2S_2 0x0100
#define CAPTURE_2_FROM_AC97_1 0x0200
#define CAPTURE_3_FROM_I2S_3 0x0400
#define MIDI_OUTPUT 0x0800
#define MIDI_INPUT 0x1000
#define AC97_CD_INPUT 0x2000
#define AC97_FMIC_SWITCH 0x4000
enum {
CONTROL_SPDIF_PCM,
CONTROL_SPDIF_INPUT_BITS,
CONTROL_MIC_CAPTURE_SWITCH,
CONTROL_LINE_CAPTURE_SWITCH,
CONTROL_CD_CAPTURE_SWITCH,
CONTROL_AUX_CAPTURE_SWITCH,
CONTROL_COUNT
};
#define OXYGEN_PCI_SUBID(sv, sd) \
.vendor = PCI_VENDOR_ID_CMEDIA, \
.device = 0x8788, \
.subvendor = sv, \
.subdevice = sd
#define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
#define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
.driver_data = BROKEN_EEPROM_DRIVER_DATA
struct pci_dev;
struct pci_device_id;
struct snd_card;
struct snd_pcm_substream;
struct snd_pcm_hardware;
struct snd_pcm_hw_params;
struct snd_kcontrol_new;
struct snd_rawmidi;
struct snd_info_buffer;
struct oxygen;
struct oxygen_model {
const char *shortname;
const char *longname;
const char *chip;
void (*init)(struct oxygen *chip);
int (*control_filter)(struct snd_kcontrol_new *template);
int (*mixer_init)(struct oxygen *chip);
void (*cleanup)(struct oxygen *chip);
void (*suspend)(struct oxygen *chip);
void (*resume)(struct oxygen *chip);
void (*pcm_hardware_filter)(unsigned int channel,
struct snd_pcm_hardware *hardware);
void (*set_dac_params)(struct oxygen *chip,
struct snd_pcm_hw_params *params);
void (*set_adc_params)(struct oxygen *chip,
struct snd_pcm_hw_params *params);
void (*update_dac_volume)(struct oxygen *chip);
void (*update_dac_mute)(struct oxygen *chip);
void (*update_center_lfe_mix)(struct oxygen *chip, bool mixed);
unsigned int (*adjust_dac_routing)(struct oxygen *chip,
unsigned int play_routing);
void (*gpio_changed)(struct oxygen *chip);
void (*uart_input)(struct oxygen *chip);
void (*ac97_switch)(struct oxygen *chip,
unsigned int reg, unsigned int mute);
void (*dump_registers)(struct oxygen *chip,
struct snd_info_buffer *buffer);
const unsigned int *dac_tlv;
size_t model_data_size;
unsigned int device_config;
u8 dac_channels_pcm;
u8 dac_channels_mixer;
u8 dac_volume_min;
u8 dac_volume_max;
u8 misc_flags;
u8 function_flags;
u8 dac_mclks;
u8 adc_mclks;
u16 dac_i2s_format;
u16 adc_i2s_format;
};
struct oxygen {
unsigned long addr;
spinlock_t reg_lock;
struct mutex mutex;
struct snd_card *card;
struct pci_dev *pci;
struct snd_rawmidi *midi;
int irq;
void *model_data;
unsigned int interrupt_mask;
u8 dac_volume[8];
u8 dac_mute;
u8 pcm_active;
u8 pcm_running;
u8 dac_routing;
u8 spdif_playback_enable;
u8 has_ac97_0;
u8 has_ac97_1;
u32 spdif_bits;
u32 spdif_pcm_bits;
struct snd_pcm_substream *streams[PCM_COUNT];
struct snd_kcontrol *controls[CONTROL_COUNT];
struct work_struct spdif_input_bits_work;
struct work_struct gpio_work;
wait_queue_head_t ac97_waitqueue;
union {
u8 _8[OXYGEN_IO_SIZE];
__le16 _16[OXYGEN_IO_SIZE / 2];
__le32 _32[OXYGEN_IO_SIZE / 4];
} saved_registers;
u16 saved_ac97_registers[2][0x40];
unsigned int uart_input_count;
u8 uart_input[32];
struct oxygen_model model;
};
/* oxygen_lib.c */
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
)
);
void oxygen_pci_remove(struct pci_dev *pci);
#ifdef CONFIG_PM_SLEEP
extern const struct dev_pm_ops oxygen_pci_pm;
#endif
void oxygen_pci_shutdown(struct pci_dev *pci);
/* oxygen_mixer.c */
int oxygen_mixer_init(struct oxygen *chip);
void oxygen_update_dac_routing(struct oxygen *chip);
void oxygen_update_spdif_source(struct oxygen *chip);
/* oxygen_pcm.c */
int oxygen_pcm_init(struct oxygen *chip);
/* oxygen_io.c */
u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
u8 value, u8 mask);
void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
u16 value, u16 mask);
void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
u32 value, u32 mask);
u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
unsigned int index);
void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
unsigned int index, u16 data);
void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
unsigned int index, u16 data, u16 mask);
int oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
void oxygen_reset_uart(struct oxygen *chip);
void oxygen_write_uart(struct oxygen *chip, u8 data);
u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
static inline void oxygen_set_bits8(struct oxygen *chip,
unsigned int reg, u8 value)
{
oxygen_write8_masked(chip, reg, value, value);
}
static inline void oxygen_set_bits16(struct oxygen *chip,
unsigned int reg, u16 value)
{
oxygen_write16_masked(chip, reg, value, value);
}
static inline void oxygen_set_bits32(struct oxygen *chip,
unsigned int reg, u32 value)
{
oxygen_write32_masked(chip, reg, value, value);
}
static inline void oxygen_clear_bits8(struct oxygen *chip,
unsigned int reg, u8 value)
{
oxygen_write8_masked(chip, reg, 0, value);
}
static inline void oxygen_clear_bits16(struct oxygen *chip,
unsigned int reg, u16 value)
{
oxygen_write16_masked(chip, reg, 0, value);
}
static inline void oxygen_clear_bits32(struct oxygen *chip,
unsigned int reg, u32 value)
{
oxygen_write32_masked(chip, reg, 0, value);
}
static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
unsigned int index, u16 value)
{
oxygen_write_ac97_masked(chip, codec, index, value, value);
}
static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
unsigned int codec,
unsigned int index, u16 value)
{
oxygen_write_ac97_masked(chip, codec, index, 0, value);
}
#endif