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