1 #ifndef OXYGEN_H_INCLUDED 2 #define OXYGEN_H_INCLUDED 3 4 #include <linux/mutex.h> 5 #include <linux/spinlock.h> 6 #include <linux/wait.h> 7 #include <linux/workqueue.h> 8 #include "oxygen_regs.h" 9 10 /* 1 << PCM_x == OXYGEN_CHANNEL_x */ 11 #define PCM_A 0 12 #define PCM_B 1 13 #define PCM_C 2 14 #define PCM_SPDIF 3 15 #define PCM_MULTICH 4 16 #define PCM_AC97 5 17 #define PCM_COUNT 6 18 19 /* model-specific configuration of outputs/inputs */ 20 #define PLAYBACK_0_TO_I2S 0x001 21 #define PLAYBACK_1_TO_SPDIF 0x004 22 #define PLAYBACK_2_TO_AC97_1 0x008 23 #define CAPTURE_0_FROM_I2S_1 0x010 24 #define CAPTURE_0_FROM_I2S_2 0x020 25 #define CAPTURE_1_FROM_SPDIF 0x080 26 #define CAPTURE_2_FROM_I2S_2 0x100 27 #define CAPTURE_2_FROM_AC97_1 0x200 28 29 enum { 30 CONTROL_SPDIF_PCM, 31 CONTROL_SPDIF_INPUT_BITS, 32 CONTROL_MIC_CAPTURE_SWITCH, 33 CONTROL_LINE_CAPTURE_SWITCH, 34 CONTROL_CD_CAPTURE_SWITCH, 35 CONTROL_AUX_CAPTURE_SWITCH, 36 CONTROL_COUNT 37 }; 38 39 #define OXYGEN_PCI_SUBID(sv, sd) \ 40 .vendor = PCI_VENDOR_ID_CMEDIA, \ 41 .device = 0x8788, \ 42 .subvendor = sv, \ 43 .subdevice = sd 44 45 struct pci_dev; 46 struct snd_card; 47 struct snd_pcm_substream; 48 struct snd_pcm_hardware; 49 struct snd_pcm_hw_params; 50 struct snd_kcontrol_new; 51 struct snd_rawmidi; 52 struct oxygen_model; 53 54 struct oxygen { 55 unsigned long addr; 56 spinlock_t reg_lock; 57 struct mutex mutex; 58 struct snd_card *card; 59 struct pci_dev *pci; 60 struct snd_rawmidi *midi; 61 int irq; 62 const struct oxygen_model *model; 63 void *model_data; 64 unsigned int interrupt_mask; 65 u8 dac_volume[8]; 66 u8 dac_mute; 67 u8 pcm_active; 68 u8 pcm_running; 69 u8 dac_routing; 70 u8 spdif_playback_enable; 71 u8 revision; 72 u8 has_ac97_0; 73 u8 has_ac97_1; 74 u32 spdif_bits; 75 u32 spdif_pcm_bits; 76 struct snd_pcm_substream *streams[PCM_COUNT]; 77 struct snd_kcontrol *controls[CONTROL_COUNT]; 78 struct work_struct spdif_input_bits_work; 79 struct work_struct gpio_work; 80 wait_queue_head_t ac97_waitqueue; 81 }; 82 83 struct oxygen_model { 84 const char *shortname; 85 const char *longname; 86 const char *chip; 87 struct module *owner; 88 void (*init)(struct oxygen *chip); 89 int (*control_filter)(struct snd_kcontrol_new *template); 90 int (*mixer_init)(struct oxygen *chip); 91 void (*cleanup)(struct oxygen *chip); 92 void (*pcm_hardware_filter)(unsigned int channel, 93 struct snd_pcm_hardware *hardware); 94 void (*set_dac_params)(struct oxygen *chip, 95 struct snd_pcm_hw_params *params); 96 void (*set_adc_params)(struct oxygen *chip, 97 struct snd_pcm_hw_params *params); 98 void (*update_dac_volume)(struct oxygen *chip); 99 void (*update_dac_mute)(struct oxygen *chip); 100 void (*gpio_changed)(struct oxygen *chip); 101 void (*ac97_switch)(struct oxygen *chip, 102 unsigned int reg, unsigned int mute); 103 const unsigned int *dac_tlv; 104 size_t model_data_size; 105 unsigned int pcm_dev_cfg; 106 u8 dac_channels; 107 u8 dac_volume_min; 108 u8 dac_volume_max; 109 u8 misc_flags; 110 u8 function_flags; 111 u16 dac_i2s_format; 112 u16 adc_i2s_format; 113 }; 114 115 /* oxygen_lib.c */ 116 117 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, 118 const struct oxygen_model *model); 119 void oxygen_pci_remove(struct pci_dev *pci); 120 121 /* oxygen_mixer.c */ 122 123 int oxygen_mixer_init(struct oxygen *chip); 124 void oxygen_update_dac_routing(struct oxygen *chip); 125 void oxygen_update_spdif_source(struct oxygen *chip); 126 127 /* oxygen_pcm.c */ 128 129 int oxygen_pcm_init(struct oxygen *chip); 130 131 /* oxygen_io.c */ 132 133 u8 oxygen_read8(struct oxygen *chip, unsigned int reg); 134 u16 oxygen_read16(struct oxygen *chip, unsigned int reg); 135 u32 oxygen_read32(struct oxygen *chip, unsigned int reg); 136 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value); 137 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value); 138 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value); 139 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg, 140 u8 value, u8 mask); 141 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg, 142 u16 value, u16 mask); 143 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg, 144 u32 value, u32 mask); 145 146 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec, 147 unsigned int index); 148 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec, 149 unsigned int index, u16 data); 150 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec, 151 unsigned int index, u16 data, u16 mask); 152 153 void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data); 154 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data); 155 156 static inline void oxygen_set_bits8(struct oxygen *chip, 157 unsigned int reg, u8 value) 158 { 159 oxygen_write8_masked(chip, reg, value, value); 160 } 161 162 static inline void oxygen_set_bits16(struct oxygen *chip, 163 unsigned int reg, u16 value) 164 { 165 oxygen_write16_masked(chip, reg, value, value); 166 } 167 168 static inline void oxygen_set_bits32(struct oxygen *chip, 169 unsigned int reg, u32 value) 170 { 171 oxygen_write32_masked(chip, reg, value, value); 172 } 173 174 static inline void oxygen_clear_bits8(struct oxygen *chip, 175 unsigned int reg, u8 value) 176 { 177 oxygen_write8_masked(chip, reg, 0, value); 178 } 179 180 static inline void oxygen_clear_bits16(struct oxygen *chip, 181 unsigned int reg, u16 value) 182 { 183 oxygen_write16_masked(chip, reg, 0, value); 184 } 185 186 static inline void oxygen_clear_bits32(struct oxygen *chip, 187 unsigned int reg, u32 value) 188 { 189 oxygen_write32_masked(chip, reg, 0, value); 190 } 191 192 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec, 193 unsigned int index, u16 value) 194 { 195 oxygen_write_ac97_masked(chip, codec, index, value, value); 196 } 197 198 static inline void oxygen_ac97_clear_bits(struct oxygen *chip, 199 unsigned int codec, 200 unsigned int index, u16 value) 201 { 202 oxygen_write_ac97_masked(chip, codec, index, 0, value); 203 } 204 205 #endif 206