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
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
22
23
24#define PLAYBACK_0_TO_I2S 0x0001
25
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
31#define CAPTURE_1_FROM_SPDIF 0x0080
32#define CAPTURE_2_FROM_I2S_2 0x0100
33#define CAPTURE_2_FROM_AC97_1 0x0200
34
35#define MIDI_OUTPUT 0x0800
36#define MIDI_INPUT 0x1000
37
38enum {
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
59struct pci_dev;
60struct pci_device_id;
61struct snd_card;
62struct snd_pcm_substream;
63struct snd_pcm_hardware;
64struct snd_pcm_hw_params;
65struct snd_kcontrol_new;
66struct snd_rawmidi;
67struct oxygen;
68
69struct 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
104struct 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
142
143int 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 );
150void oxygen_pci_remove(struct pci_dev *pci);
151#ifdef CONFIG_PM
152int oxygen_pci_suspend(struct pci_dev *pci, pm_message_t state);
153int oxygen_pci_resume(struct pci_dev *pci);
154#endif
155
156
157
158int oxygen_mixer_init(struct oxygen *chip);
159void oxygen_update_dac_routing(struct oxygen *chip);
160void oxygen_update_spdif_source(struct oxygen *chip);
161
162
163
164int oxygen_pcm_init(struct oxygen *chip);
165
166
167
168u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
169u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
170u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
171void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
172void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
173void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
174void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
175 u8 value, u8 mask);
176void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
177 u16 value, u16 mask);
178void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
179 u32 value, u32 mask);
180
181u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
182 unsigned int index);
183void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
184 unsigned int index, u16 data);
185void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
186 unsigned int index, u16 data, u16 mask);
187
188void oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
189void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
190
191void oxygen_reset_uart(struct oxygen *chip);
192void oxygen_write_uart(struct oxygen *chip, u8 data);
193
194u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
195void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
196
197static 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
203static 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
209static 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
215static 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
221static 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
227static 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
233static 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
239static 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
