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TOMOYO Linux Cross Reference
Linux/sound/pci/oxygen/oxygen.h

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  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 
 45 enum {
 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 
 66 struct pci_dev;
 67 struct pci_device_id;
 68 struct snd_card;
 69 struct snd_pcm_substream;
 70 struct snd_pcm_hardware;
 71 struct snd_pcm_hw_params;
 72 struct snd_kcontrol_new;
 73 struct snd_rawmidi;
 74 struct snd_info_buffer;
 75 struct oxygen;
 76 
 77 struct 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 
119 struct 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 
157 int 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 void oxygen_pci_remove(struct pci_dev *pci);
165 #ifdef CONFIG_PM_SLEEP
166 extern const struct dev_pm_ops oxygen_pci_pm;
167 #endif
168 void oxygen_pci_shutdown(struct pci_dev *pci);
169 
170 /* oxygen_mixer.c */
171 
172 int oxygen_mixer_init(struct oxygen *chip);
173 void oxygen_update_dac_routing(struct oxygen *chip);
174 void oxygen_update_spdif_source(struct oxygen *chip);
175 
176 /* oxygen_pcm.c */
177 
178 int oxygen_pcm_init(struct oxygen *chip);
179 
180 /* oxygen_io.c */
181 
182 u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
183 u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
184 u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
185 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
186 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
187 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
188 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
189                           u8 value, u8 mask);
190 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
191                            u16 value, u16 mask);
192 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
193                            u32 value, u32 mask);
194 
195 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
196                      unsigned int index);
197 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
198                        unsigned int index, u16 data);
199 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
200                               unsigned int index, u16 data, u16 mask);
201 
202 int oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
203 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
204 
205 void oxygen_reset_uart(struct oxygen *chip);
206 void oxygen_write_uart(struct oxygen *chip, u8 data);
207 
208 u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
209 void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
210 
211 static inline void oxygen_set_bits8(struct oxygen *chip,
212                                     unsigned int reg, u8 value)
213 {
214         oxygen_write8_masked(chip, reg, value, value);
215 }
216 
217 static inline void oxygen_set_bits16(struct oxygen *chip,
218                                      unsigned int reg, u16 value)
219 {
220         oxygen_write16_masked(chip, reg, value, value);
221 }
222 
223 static inline void oxygen_set_bits32(struct oxygen *chip,
224                                      unsigned int reg, u32 value)
225 {
226         oxygen_write32_masked(chip, reg, value, value);
227 }
228 
229 static inline void oxygen_clear_bits8(struct oxygen *chip,
230                                       unsigned int reg, u8 value)
231 {
232         oxygen_write8_masked(chip, reg, 0, value);
233 }
234 
235 static inline void oxygen_clear_bits16(struct oxygen *chip,
236                                        unsigned int reg, u16 value)
237 {
238         oxygen_write16_masked(chip, reg, 0, value);
239 }
240 
241 static inline void oxygen_clear_bits32(struct oxygen *chip,
242                                        unsigned int reg, u32 value)
243 {
244         oxygen_write32_masked(chip, reg, 0, value);
245 }
246 
247 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
248                                         unsigned int index, u16 value)
249 {
250         oxygen_write_ac97_masked(chip, codec, index, value, value);
251 }
252 
253 static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
254                                           unsigned int codec,
255                                           unsigned int index, u16 value)
256 {
257         oxygen_write_ac97_masked(chip, codec, index, 0, value);
258 }
259 
260 #endif
261 

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