oxygen.h (7456B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef OXYGEN_H_INCLUDED 3#define OXYGEN_H_INCLUDED 4 5#include <linux/mutex.h> 6#include <linux/spinlock.h> 7#include <linux/wait.h> 8#include <linux/workqueue.h> 9#include "oxygen_regs.h" 10 11/* 1 << PCM_x == OXYGEN_CHANNEL_x */ 12#define PCM_A 0 13#define PCM_B 1 14#define PCM_C 2 15#define PCM_SPDIF 3 16#define PCM_MULTICH 4 17#define PCM_AC97 5 18#define PCM_COUNT 6 19 20#define OXYGEN_MCLKS(f_single, f_double, f_quad) ((MCLK_##f_single << 0) | \ 21 (MCLK_##f_double << 2) | \ 22 (MCLK_##f_quad << 4)) 23 24#define OXYGEN_IO_SIZE 0x100 25 26#define OXYGEN_EEPROM_ID 0x434d /* "CM" */ 27 28/* model-specific configuration of outputs/inputs */ 29#define PLAYBACK_0_TO_I2S 0x0001 30 /* PLAYBACK_0_TO_AC97_0 not implemented */ 31#define PLAYBACK_1_TO_SPDIF 0x0004 32#define PLAYBACK_2_TO_AC97_1 0x0008 33#define CAPTURE_0_FROM_I2S_1 0x0010 34#define CAPTURE_0_FROM_I2S_2 0x0020 35 /* CAPTURE_0_FROM_AC97_0 not implemented */ 36#define CAPTURE_1_FROM_SPDIF 0x0080 37#define CAPTURE_2_FROM_I2S_2 0x0100 38#define CAPTURE_2_FROM_AC97_1 0x0200 39#define CAPTURE_3_FROM_I2S_3 0x0400 40#define MIDI_OUTPUT 0x0800 41#define MIDI_INPUT 0x1000 42#define AC97_CD_INPUT 0x2000 43#define AC97_FMIC_SWITCH 0x4000 44 45enum { 46 CONTROL_SPDIF_PCM, 47 CONTROL_SPDIF_INPUT_BITS, 48 CONTROL_MIC_CAPTURE_SWITCH, 49 CONTROL_LINE_CAPTURE_SWITCH, 50 CONTROL_CD_CAPTURE_SWITCH, 51 CONTROL_AUX_CAPTURE_SWITCH, 52 CONTROL_COUNT 53}; 54 55#define OXYGEN_PCI_SUBID(sv, sd) \ 56 .vendor = PCI_VENDOR_ID_CMEDIA, \ 57 .device = 0x8788, \ 58 .subvendor = sv, \ 59 .subdevice = sd 60 61#define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1) 62#define OXYGEN_PCI_SUBID_BROKEN_EEPROM \ 63 OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \ 64 .driver_data = BROKEN_EEPROM_DRIVER_DATA 65 66struct pci_dev; 67struct pci_device_id; 68struct snd_card; 69struct snd_pcm_substream; 70struct snd_pcm_hardware; 71struct snd_pcm_hw_params; 72struct snd_kcontrol_new; 73struct snd_rawmidi; 74struct snd_info_buffer; 75struct oxygen; 76 77struct oxygen_model { 78 const char *shortname; 79 const char *longname; 80 const char *chip; 81 void (*init)(struct oxygen *chip); 82 int (*control_filter)(struct snd_kcontrol_new *template); 83 int (*mixer_init)(struct oxygen *chip); 84 void (*cleanup)(struct oxygen *chip); 85 void (*suspend)(struct oxygen *chip); 86 void (*resume)(struct oxygen *chip); 87 void (*pcm_hardware_filter)(unsigned int channel, 88 struct snd_pcm_hardware *hardware); 89 void (*set_dac_params)(struct oxygen *chip, 90 struct snd_pcm_hw_params *params); 91 void (*set_adc_params)(struct oxygen *chip, 92 struct snd_pcm_hw_params *params); 93 void (*update_dac_volume)(struct oxygen *chip); 94 void (*update_dac_mute)(struct oxygen *chip); 95 void (*update_center_lfe_mix)(struct oxygen *chip, bool mixed); 96 unsigned int (*adjust_dac_routing)(struct oxygen *chip, 97 unsigned int play_routing); 98 void (*gpio_changed)(struct oxygen *chip); 99 void (*uart_input)(struct oxygen *chip); 100 void (*ac97_switch)(struct oxygen *chip, 101 unsigned int reg, unsigned int mute); 102 void (*dump_registers)(struct oxygen *chip, 103 struct snd_info_buffer *buffer); 104 const unsigned int *dac_tlv; 105 size_t model_data_size; 106 unsigned int device_config; 107 u8 dac_channels_pcm; 108 u8 dac_channels_mixer; 109 u8 dac_volume_min; 110 u8 dac_volume_max; 111 u8 misc_flags; 112 u8 function_flags; 113 u8 dac_mclks; 114 u8 adc_mclks; 115 u16 dac_i2s_format; 116 u16 adc_i2s_format; 117}; 118 119struct oxygen { 120 unsigned long addr; 121 spinlock_t reg_lock; 122 struct mutex mutex; 123 struct snd_card *card; 124 struct pci_dev *pci; 125 struct snd_rawmidi *midi; 126 int irq; 127 void *model_data; 128 unsigned int interrupt_mask; 129 u8 dac_volume[8]; 130 u8 dac_mute; 131 u8 pcm_active; 132 u8 pcm_running; 133 u8 dac_routing; 134 u8 spdif_playback_enable; 135 u8 has_ac97_0; 136 u8 has_ac97_1; 137 u32 spdif_bits; 138 u32 spdif_pcm_bits; 139 struct snd_pcm_substream *streams[PCM_COUNT]; 140 struct snd_kcontrol *controls[CONTROL_COUNT]; 141 struct work_struct spdif_input_bits_work; 142 struct work_struct gpio_work; 143 wait_queue_head_t ac97_waitqueue; 144 union { 145 u8 _8[OXYGEN_IO_SIZE]; 146 __le16 _16[OXYGEN_IO_SIZE / 2]; 147 __le32 _32[OXYGEN_IO_SIZE / 4]; 148 } saved_registers; 149 u16 saved_ac97_registers[2][0x40]; 150 unsigned int uart_input_count; 151 u8 uart_input[32]; 152 struct oxygen_model model; 153}; 154 155/* oxygen_lib.c */ 156 157int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, 158 struct module *owner, 159 const struct pci_device_id *ids, 160 int (*get_model)(struct oxygen *chip, 161 const struct pci_device_id *id 162 ) 163 ); 164#ifdef CONFIG_PM_SLEEP 165extern const struct dev_pm_ops oxygen_pci_pm; 166#endif 167void oxygen_pci_shutdown(struct pci_dev *pci); 168 169/* oxygen_mixer.c */ 170 171int oxygen_mixer_init(struct oxygen *chip); 172void oxygen_update_dac_routing(struct oxygen *chip); 173void oxygen_update_spdif_source(struct oxygen *chip); 174 175/* oxygen_pcm.c */ 176 177int oxygen_pcm_init(struct oxygen *chip); 178 179/* oxygen_io.c */ 180 181u8 oxygen_read8(struct oxygen *chip, unsigned int reg); 182u16 oxygen_read16(struct oxygen *chip, unsigned int reg); 183u32 oxygen_read32(struct oxygen *chip, unsigned int reg); 184void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value); 185void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value); 186void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value); 187void oxygen_write8_masked(struct oxygen *chip, unsigned int reg, 188 u8 value, u8 mask); 189void oxygen_write16_masked(struct oxygen *chip, unsigned int reg, 190 u16 value, u16 mask); 191void oxygen_write32_masked(struct oxygen *chip, unsigned int reg, 192 u32 value, u32 mask); 193 194u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec, 195 unsigned int index); 196void oxygen_write_ac97(struct oxygen *chip, unsigned int codec, 197 unsigned int index, u16 data); 198void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec, 199 unsigned int index, u16 data, u16 mask); 200 201int oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data); 202void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data); 203 204void oxygen_reset_uart(struct oxygen *chip); 205void oxygen_write_uart(struct oxygen *chip, u8 data); 206 207u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index); 208void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value); 209 210static inline void oxygen_set_bits8(struct oxygen *chip, 211 unsigned int reg, u8 value) 212{ 213 oxygen_write8_masked(chip, reg, value, value); 214} 215 216static inline void oxygen_set_bits16(struct oxygen *chip, 217 unsigned int reg, u16 value) 218{ 219 oxygen_write16_masked(chip, reg, value, value); 220} 221 222static inline void oxygen_set_bits32(struct oxygen *chip, 223 unsigned int reg, u32 value) 224{ 225 oxygen_write32_masked(chip, reg, value, value); 226} 227 228static inline void oxygen_clear_bits8(struct oxygen *chip, 229 unsigned int reg, u8 value) 230{ 231 oxygen_write8_masked(chip, reg, 0, value); 232} 233 234static inline void oxygen_clear_bits16(struct oxygen *chip, 235 unsigned int reg, u16 value) 236{ 237 oxygen_write16_masked(chip, reg, 0, value); 238} 239 240static inline void oxygen_clear_bits32(struct oxygen *chip, 241 unsigned int reg, u32 value) 242{ 243 oxygen_write32_masked(chip, reg, 0, value); 244} 245 246static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec, 247 unsigned int index, u16 value) 248{ 249 oxygen_write_ac97_masked(chip, codec, index, value, value); 250} 251 252static inline void oxygen_ac97_clear_bits(struct oxygen *chip, 253 unsigned int codec, 254 unsigned int index, u16 value) 255{ 256 oxygen_write_ac97_masked(chip, codec, index, 0, value); 257} 258 259#endif