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[ALSA] oxygen: make all DMA channels configurable
[karo-tx-linux.git] / 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/workqueue.h>
7 #include "oxygen_regs.h"
8
9 /* 1 << PCM_x == OXYGEN_CHANNEL_x */
10 #define PCM_A           0
11 #define PCM_B           1
12 #define PCM_C           2
13 #define PCM_SPDIF       3
14 #define PCM_MULTICH     4
15 #define PCM_AC97        5
16 #define PCM_COUNT       6
17
18 enum {
19         CONTROL_SPDIF_PCM,
20         CONTROL_SPDIF_INPUT_BITS,
21         CONTROL_MIC_CAPTURE_SWITCH,
22         CONTROL_LINE_CAPTURE_SWITCH,
23         CONTROL_CD_CAPTURE_SWITCH,
24         CONTROL_AUX_CAPTURE_SWITCH,
25         CONTROL_COUNT
26 };
27
28 #define OXYGEN_PCI_SUBID(sv, sd) \
29         .vendor = PCI_VENDOR_ID_CMEDIA, \
30         .device = 0x8788, \
31         .subvendor = sv, \
32         .subdevice = sd
33
34 struct pci_dev;
35 struct snd_card;
36 struct snd_pcm_substream;
37 struct snd_pcm_hw_params;
38 struct snd_rawmidi;
39 struct oxygen_model;
40
41 struct oxygen {
42         unsigned long addr;
43         spinlock_t reg_lock;
44         struct mutex mutex;
45         struct snd_card *card;
46         struct pci_dev *pci;
47         struct snd_rawmidi *midi;
48         int irq;
49         const struct oxygen_model *model;
50         unsigned int interrupt_mask;
51         u8 dac_volume[8];
52         u8 dac_mute;
53         u8 pcm_active;
54         u8 pcm_running;
55         u8 dac_routing;
56         u8 spdif_playback_enable;
57         u8 ak4396_reg1;
58         u8 revision;
59         u8 has_ac97_0;
60         u8 has_ac97_1;
61         u32 spdif_bits;
62         u32 spdif_pcm_bits;
63         struct snd_pcm_substream *streams[PCM_COUNT];
64         struct snd_kcontrol *controls[CONTROL_COUNT];
65         struct work_struct spdif_input_bits_work;
66 };
67
68 struct oxygen_model {
69         const char *shortname;
70         const char *longname;
71         const char *chip;
72         struct module *owner;
73         void (*init)(struct oxygen *chip);
74         int (*mixer_init)(struct oxygen *chip);
75         void (*cleanup)(struct oxygen *chip);
76         void (*set_dac_params)(struct oxygen *chip,
77                                struct snd_pcm_hw_params *params);
78         void (*set_adc_params)(struct oxygen *chip,
79                                struct snd_pcm_hw_params *params);
80         void (*update_dac_volume)(struct oxygen *chip);
81         void (*update_dac_mute)(struct oxygen *chip);
82         const unsigned int *dac_tlv;
83         u8 used_channels;
84         u8 cd_in_from_video_in;
85         u8 dac_minimum_volume;
86         u8 function_flags;
87 };
88
89 /* oxygen_lib.c */
90
91 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
92                      const struct oxygen_model *model);
93 void oxygen_pci_remove(struct pci_dev *pci);
94
95 /* oxygen_mixer.c */
96
97 int oxygen_mixer_init(struct oxygen *chip);
98 void oxygen_update_dac_routing(struct oxygen *chip);
99 void oxygen_update_spdif_source(struct oxygen *chip);
100
101 /* oxygen_pcm.c */
102
103 int oxygen_pcm_init(struct oxygen *chip);
104
105 /* oxygen_io.c */
106
107 u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
108 u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
109 u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
110 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
111 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
112 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
113 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
114                           u8 value, u8 mask);
115 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
116                            u16 value, u16 mask);
117 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
118                            u32 value, u32 mask);
119
120 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
121                      unsigned int index);
122 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
123                        unsigned int index, u16 data);
124 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
125                               unsigned int index, u16 data, u16 mask);
126
127 void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
128
129 static inline void oxygen_set_bits8(struct oxygen *chip,
130                                     unsigned int reg, u8 value)
131 {
132         oxygen_write8_masked(chip, reg, value, value);
133 }
134
135 static inline void oxygen_set_bits16(struct oxygen *chip,
136                                      unsigned int reg, u16 value)
137 {
138         oxygen_write16_masked(chip, reg, value, value);
139 }
140
141 static inline void oxygen_set_bits32(struct oxygen *chip,
142                                      unsigned int reg, u32 value)
143 {
144         oxygen_write32_masked(chip, reg, value, value);
145 }
146
147 static inline void oxygen_clear_bits8(struct oxygen *chip,
148                                       unsigned int reg, u8 value)
149 {
150         oxygen_write8_masked(chip, reg, 0, value);
151 }
152
153 static inline void oxygen_clear_bits16(struct oxygen *chip,
154                                        unsigned int reg, u16 value)
155 {
156         oxygen_write16_masked(chip, reg, 0, value);
157 }
158
159 static inline void oxygen_clear_bits32(struct oxygen *chip,
160                                        unsigned int reg, u32 value)
161 {
162         oxygen_write32_masked(chip, reg, 0, value);
163 }
164
165 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
166                                         unsigned int index, u16 value)
167 {
168         oxygen_write_ac97_masked(chip, codec, index, value, value);
169 }
170
171 static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
172                                           unsigned int codec,
173                                           unsigned int index, u16 value)
174 {
175         oxygen_write_ac97_masked(chip, codec, index, 0, value);
176 }
177
178 #endif