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 enum { 20 CONTROL_SPDIF_PCM, 21 CONTROL_SPDIF_INPUT_BITS, 22 CONTROL_MIC_CAPTURE_SWITCH, 23 CONTROL_LINE_CAPTURE_SWITCH, 24 CONTROL_CD_CAPTURE_SWITCH, 25 CONTROL_AUX_CAPTURE_SWITCH, 26 CONTROL_COUNT 27 }; 28 29 #define OXYGEN_PCI_SUBID(sv, sd) \ 30 .vendor = PCI_VENDOR_ID_CMEDIA, \ 31 .device = 0x8788, \ 32 .subvendor = sv, \ 33 .subdevice = sd 34 35 struct pci_dev; 36 struct snd_card; 37 struct snd_pcm_substream; 38 struct snd_pcm_hardware; 39 struct snd_pcm_hw_params; 40 struct snd_kcontrol_new; 41 struct snd_rawmidi; 42 struct oxygen_model; 43 44 struct oxygen { 45 unsigned long addr; 46 spinlock_t reg_lock; 47 struct mutex mutex; 48 struct snd_card *card; 49 struct pci_dev *pci; 50 struct snd_rawmidi *midi; 51 int irq; 52 const struct oxygen_model *model; 53 void *model_data; 54 unsigned int interrupt_mask; 55 u8 dac_volume[8]; 56 u8 dac_mute; 57 u8 pcm_active; 58 u8 pcm_running; 59 u8 dac_routing; 60 u8 spdif_playback_enable; 61 u8 revision; 62 u8 has_ac97_0; 63 u8 has_ac97_1; 64 u32 spdif_bits; 65 u32 spdif_pcm_bits; 66 struct snd_pcm_substream *streams[PCM_COUNT]; 67 struct snd_kcontrol *controls[CONTROL_COUNT]; 68 struct work_struct spdif_input_bits_work; 69 struct work_struct gpio_work; 70 wait_queue_head_t ac97_waitqueue; 71 }; 72 73 struct oxygen_model { 74 const char *shortname; 75 const char *longname; 76 const char *chip; 77 struct module *owner; 78 void (*init)(struct oxygen *chip); 79 int (*control_filter)(struct snd_kcontrol_new *template); 80 int (*mixer_init)(struct oxygen *chip); 81 void (*cleanup)(struct oxygen *chip); 82 void (*pcm_hardware_filter)(unsigned int channel, 83 struct snd_pcm_hardware *hardware); 84 void (*set_dac_params)(struct oxygen *chip, 85 struct snd_pcm_hw_params *params); 86 void (*set_adc_params)(struct oxygen *chip, 87 struct snd_pcm_hw_params *params); 88 void (*update_dac_volume)(struct oxygen *chip); 89 void (*update_dac_mute)(struct oxygen *chip); 90 void (*ac97_switch_hook)(struct oxygen *chip, unsigned int codec, 91 unsigned int reg, int mute); 92 void (*gpio_changed)(struct oxygen *chip); 93 size_t model_data_size; 94 u8 dac_channels; 95 u8 used_channels; 96 u8 function_flags; 97 u16 dac_i2s_format; 98 u16 adc_i2s_format; 99 }; 100 101 /* oxygen_lib.c */ 102 103 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id, int midi, 104 const struct oxygen_model *model); 105 void oxygen_pci_remove(struct pci_dev *pci); 106 107 /* oxygen_mixer.c */ 108 109 int oxygen_mixer_init(struct oxygen *chip); 110 void oxygen_update_dac_routing(struct oxygen *chip); 111 void oxygen_update_spdif_source(struct oxygen *chip); 112 113 /* oxygen_pcm.c */ 114 115 int oxygen_pcm_init(struct oxygen *chip); 116 117 /* oxygen_io.c */ 118 119 u8 oxygen_read8(struct oxygen *chip, unsigned int reg); 120 u16 oxygen_read16(struct oxygen *chip, unsigned int reg); 121 u32 oxygen_read32(struct oxygen *chip, unsigned int reg); 122 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value); 123 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value); 124 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value); 125 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg, 126 u8 value, u8 mask); 127 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg, 128 u16 value, u16 mask); 129 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg, 130 u32 value, u32 mask); 131 132 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec, 133 unsigned int index); 134 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec, 135 unsigned int index, u16 data); 136 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec, 137 unsigned int index, u16 data, u16 mask); 138 139 void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data); 140 141 static inline void oxygen_set_bits8(struct oxygen *chip, 142 unsigned int reg, u8 value) 143 { 144 oxygen_write8_masked(chip, reg, value, value); 145 } 146 147 static inline void oxygen_set_bits16(struct oxygen *chip, 148 unsigned int reg, u16 value) 149 { 150 oxygen_write16_masked(chip, reg, value, value); 151 } 152 153 static inline void oxygen_set_bits32(struct oxygen *chip, 154 unsigned int reg, u32 value) 155 { 156 oxygen_write32_masked(chip, reg, value, value); 157 } 158 159 static inline void oxygen_clear_bits8(struct oxygen *chip, 160 unsigned int reg, u8 value) 161 { 162 oxygen_write8_masked(chip, reg, 0, value); 163 } 164 165 static inline void oxygen_clear_bits16(struct oxygen *chip, 166 unsigned int reg, u16 value) 167 { 168 oxygen_write16_masked(chip, reg, 0, value); 169 } 170 171 static inline void oxygen_clear_bits32(struct oxygen *chip, 172 unsigned int reg, u32 value) 173 { 174 oxygen_write32_masked(chip, reg, 0, value); 175 } 176 177 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec, 178 unsigned int index, u16 value) 179 { 180 oxygen_write_ac97_masked(chip, codec, index, value, value); 181 } 182 183 static inline void oxygen_ac97_clear_bits(struct oxygen *chip, 184 unsigned int codec, 185 unsigned int index, u16 value) 186 { 187 oxygen_write_ac97_masked(chip, codec, index, 0, value); 188 } 189 190 #endif 191