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[ALSA] oxygen: generalize handling of DAC volume limits
[linux-2.6] / sound / pci / oxygen / oxygen.h
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         size_t model_data_size;
104         unsigned int pcm_dev_cfg;
105         u8 dac_channels;
106         u8 dac_volume_min;
107         u8 dac_volume_max;
108         u8 misc_flags;
109         u8 function_flags;
110         u16 dac_i2s_format;
111         u16 adc_i2s_format;
112 };
113
114 /* oxygen_lib.c */
115
116 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
117                      const struct oxygen_model *model);
118 void oxygen_pci_remove(struct pci_dev *pci);
119
120 /* oxygen_mixer.c */
121
122 int oxygen_mixer_init(struct oxygen *chip);
123 void oxygen_update_dac_routing(struct oxygen *chip);
124 void oxygen_update_spdif_source(struct oxygen *chip);
125
126 /* oxygen_pcm.c */
127
128 int oxygen_pcm_init(struct oxygen *chip);
129
130 /* oxygen_io.c */
131
132 u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
133 u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
134 u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
135 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
136 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
137 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
138 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
139                           u8 value, u8 mask);
140 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
141                            u16 value, u16 mask);
142 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
143                            u32 value, u32 mask);
144
145 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
146                      unsigned int index);
147 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
148                        unsigned int index, u16 data);
149 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
150                               unsigned int index, u16 data, u16 mask);
151
152 void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
153 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
154
155 static inline void oxygen_set_bits8(struct oxygen *chip,
156                                     unsigned int reg, u8 value)
157 {
158         oxygen_write8_masked(chip, reg, value, value);
159 }
160
161 static inline void oxygen_set_bits16(struct oxygen *chip,
162                                      unsigned int reg, u16 value)
163 {
164         oxygen_write16_masked(chip, reg, value, value);
165 }
166
167 static inline void oxygen_set_bits32(struct oxygen *chip,
168                                      unsigned int reg, u32 value)
169 {
170         oxygen_write32_masked(chip, reg, value, value);
171 }
172
173 static inline void oxygen_clear_bits8(struct oxygen *chip,
174                                       unsigned int reg, u8 value)
175 {
176         oxygen_write8_masked(chip, reg, 0, value);
177 }
178
179 static inline void oxygen_clear_bits16(struct oxygen *chip,
180                                        unsigned int reg, u16 value)
181 {
182         oxygen_write16_masked(chip, reg, 0, value);
183 }
184
185 static inline void oxygen_clear_bits32(struct oxygen *chip,
186                                        unsigned int reg, u32 value)
187 {
188         oxygen_write32_masked(chip, reg, 0, value);
189 }
190
191 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
192                                         unsigned int index, u16 value)
193 {
194         oxygen_write_ac97_masked(chip, codec, index, value, value);
195 }
196
197 static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
198                                           unsigned int codec,
199                                           unsigned int index, u16 value)
200 {
201         oxygen_write_ac97_masked(chip, codec, index, 0, value);
202 }
203
204 #endif