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 #define OXYGEN_IO_SIZE 0x100
20
21 #define OXYGEN_EEPROM_ID 0x434d /* "CM" */
22
23 /* model-specific configuration of outputs/inputs */
24 #define PLAYBACK_0_TO_I2S 0x0001
25 /* PLAYBACK_0_TO_AC97_0 not implemented */
26 #define PLAYBACK_1_TO_SPDIF 0x0004
27 #define PLAYBACK_2_TO_AC97_1 0x0008
28 #define CAPTURE_0_FROM_I2S_1 0x0010
29 #define CAPTURE_0_FROM_I2S_2 0x0020
30 /* CAPTURE_0_FROM_AC97_0 not implemented */
31 #define CAPTURE_1_FROM_SPDIF 0x0080
32 #define CAPTURE_2_FROM_I2S_2 0x0100
33 #define CAPTURE_2_FROM_AC97_1 0x0200
34 /* CAPTURE_3_FROM_I2S_3 not implemented */
35 #define MIDI_OUTPUT 0x0800
36 #define MIDI_INPUT 0x1000
37
38 enum {
39 CONTROL_SPDIF_PCM,
40 CONTROL_SPDIF_INPUT_BITS,
41 CONTROL_MIC_CAPTURE_SWITCH,
42 CONTROL_LINE_CAPTURE_SWITCH,
43 CONTROL_CD_CAPTURE_SWITCH,
44 CONTROL_AUX_CAPTURE_SWITCH,
45 CONTROL_COUNT
46 };
47
48 #define OXYGEN_PCI_SUBID(sv, sd) \
49 .vendor = PCI_VENDOR_ID_CMEDIA, \
50 .device = 0x8788, \
51 .subvendor = sv, \
52 .subdevice = sd
53
54 #define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
55 #define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
56 OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
57 .driver_data = BROKEN_EEPROM_DRIVER_DATA
58
59 struct pci_dev;
60 struct pci_device_id;
61 struct snd_card;
62 struct snd_pcm_substream;
63 struct snd_pcm_hardware;
64 struct snd_pcm_hw_params;
65 struct snd_kcontrol_new;
66 struct snd_rawmidi;
67 struct oxygen;
68
69 struct oxygen_model {
70 const char *shortname;
71 const char *longname;
72 const char *chip;
73 void (*init)(struct oxygen *chip);
74 int (*control_filter)(struct snd_kcontrol_new *template);
75 int (*mixer_init)(struct oxygen *chip);
76 void (*cleanup)(struct oxygen *chip);
77 void (*suspend)(struct oxygen *chip);
78 void (*resume)(struct oxygen *chip);
79 void (*pcm_hardware_filter)(unsigned int channel,
80 struct snd_pcm_hardware *hardware);
81 void (*set_dac_params)(struct oxygen *chip,
82 struct snd_pcm_hw_params *params);
83 void (*set_adc_params)(struct oxygen *chip,
84 struct snd_pcm_hw_params *params);
85 void (*update_dac_volume)(struct oxygen *chip);
86 void (*update_dac_mute)(struct oxygen *chip);
87 void (*gpio_changed)(struct oxygen *chip);
88 void (*uart_input)(struct oxygen *chip);
89 void (*ac97_switch)(struct oxygen *chip,
90 unsigned int reg, unsigned int mute);
91 const unsigned int *dac_tlv;
92 unsigned long private_data;
93 size_t model_data_size;
94 unsigned int device_config;
95 u8 dac_channels;
96 u8 dac_volume_min;
97 u8 dac_volume_max;
98 u8 misc_flags;
99 u8 function_flags;
100 u16 dac_i2s_format;
101 u16 adc_i2s_format;
102 };
103
104 struct oxygen {
105 unsigned long addr;
106 spinlock_t reg_lock;
107 struct mutex mutex;
108 struct snd_card *card;
109 struct pci_dev *pci;
110 struct snd_rawmidi *midi;
111 int irq;
112 void *model_data;
113 unsigned int interrupt_mask;
114 u8 dac_volume[8];
115 u8 dac_mute;
116 u8 pcm_active;
117 u8 pcm_running;
118 u8 dac_routing;
119 u8 spdif_playback_enable;
120 u8 revision;
121 u8 has_ac97_0;
122 u8 has_ac97_1;
123 u32 spdif_bits;
124 u32 spdif_pcm_bits;
125 struct snd_pcm_substream *streams[PCM_COUNT];
126 struct snd_kcontrol *controls[CONTROL_COUNT];
127 struct work_struct spdif_input_bits_work;
128 struct work_struct gpio_work;
129 wait_queue_head_t ac97_waitqueue;
130 union {
131 u8 _8[OXYGEN_IO_SIZE];
132 __le16 _16[OXYGEN_IO_SIZE / 2];
133 __le32 _32[OXYGEN_IO_SIZE / 4];
134 } saved_registers;
135 u16 saved_ac97_registers[2][0x40];
136 unsigned int uart_input_count;
137 u8 uart_input[32];
138 struct oxygen_model model;
139 };
140
141 /* oxygen_lib.c */
142
143 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
144 struct module *owner,
145 const struct pci_device_id *ids,
146 int (*get_model)(struct oxygen *chip,
147 const struct pci_device_id *id
148 )
149 );
150 void oxygen_pci_remove(struct pci_dev *pci);
151 #ifdef CONFIG_PM
152 int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state);
153 int oxygen_pci_resume(struct pci_dev *pci);
154 #endif
155
156 /* oxygen_mixer.c */
157
158 int oxygen_mixer_init(struct oxygen *chip);
159 void oxygen_update_dac_routing(struct oxygen *chip);
160 void oxygen_update_spdif_source(struct oxygen *chip);
161
162 /* oxygen_pcm.c */
163
164 int oxygen_pcm_init(struct oxygen *chip);
165
166 /* oxygen_io.c */
167
168 u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
169 u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
170 u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
171 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
172 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
173 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
174 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
175 u8 value, u8 mask);
176 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
177 u16 value, u16 mask);
178 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
179 u32 value, u32 mask);
180
181 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
182 unsigned int index);
183 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
184 unsigned int index, u16 data);
185 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
186 unsigned int index, u16 data, u16 mask);
187
188 void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
189 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
190
191 void oxygen_reset_uart(struct oxygen *chip);
192 void oxygen_write_uart(struct oxygen *chip, u8 data);
193
194 u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
195 void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
196
197 static inline void oxygen_set_bits8(struct oxygen *chip,
198 unsigned int reg, u8 value)
199 {
200 oxygen_write8_masked(chip, reg, value, value);
201 }
202
203 static inline void oxygen_set_bits16(struct oxygen *chip,
204 unsigned int reg, u16 value)
205 {
206 oxygen_write16_masked(chip, reg, value, value);
207 }
208
209 static inline void oxygen_set_bits32(struct oxygen *chip,
210 unsigned int reg, u32 value)
211 {
212 oxygen_write32_masked(chip, reg, value, value);
213 }
214
215 static inline void oxygen_clear_bits8(struct oxygen *chip,
216 unsigned int reg, u8 value)
217 {
218 oxygen_write8_masked(chip, reg, 0, value);
219 }
220
221 static inline void oxygen_clear_bits16(struct oxygen *chip,
222 unsigned int reg, u16 value)
223 {
224 oxygen_write16_masked(chip, reg, 0, value);
225 }
226
227 static inline void oxygen_clear_bits32(struct oxygen *chip,
228 unsigned int reg, u32 value)
229 {
230 oxygen_write32_masked(chip, reg, 0, value);
231 }
232
233 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
234 unsigned int index, u16 value)
235 {
236 oxygen_write_ac97_masked(chip, codec, index, value, value);
237 }
238
239 static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
240 unsigned int codec,
241 unsigned int index, u16 value)
242 {
243 oxygen_write_ac97_masked(chip, codec, index, 0, value);
244 }
245
246 #endif
247
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