1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef OXYGEN_H_INCLUDED
3 #define OXYGEN_H_INCLUDED
4
5 #include <linux/mutex.h>
6 #include <linux/spinlock.h>
7 #include <linux/wait.h>
8 #include <linux/workqueue.h>
9 #include "oxygen_regs.h"
10
11 /* 1 << PCM_x == OXYGEN_CHANNEL_x */
12 #define PCM_A 0
13 #define PCM_B 1
14 #define PCM_C 2
15 #define PCM_SPDIF 3
16 #define PCM_MULTICH 4
17 #define PCM_AC97 5
18 #define PCM_COUNT 6
19
20 #define OXYGEN_MCLKS(f_single, f_double, f_quad) ((MCLK_##f_single << 0) | \
21 (MCLK_##f_double << 2) | \
22 (MCLK_##f_quad << 4))
23
24 #define OXYGEN_IO_SIZE 0x100
25
26 #define OXYGEN_EEPROM_ID 0x434d /* "CM" */
27
28 /* model-specific configuration of outputs/inputs */
29 #define PLAYBACK_0_TO_I2S 0x0001
30 /* PLAYBACK_0_TO_AC97_0 not implemented */
31 #define PLAYBACK_1_TO_SPDIF 0x0004
32 #define PLAYBACK_2_TO_AC97_1 0x0008
33 #define CAPTURE_0_FROM_I2S_1 0x0010
34 #define CAPTURE_0_FROM_I2S_2 0x0020
35 /* CAPTURE_0_FROM_AC97_0 not implemented */
36 #define CAPTURE_1_FROM_SPDIF 0x0080
37 #define CAPTURE_2_FROM_I2S_2 0x0100
38 #define CAPTURE_2_FROM_AC97_1 0x0200
39 #define CAPTURE_3_FROM_I2S_3 0x0400
40 #define MIDI_OUTPUT 0x0800
41 #define MIDI_INPUT 0x1000
42 #define AC97_CD_INPUT 0x2000
43 #define AC97_FMIC_SWITCH 0x4000
44
45 enum {
46 CONTROL_SPDIF_PCM,
47 CONTROL_SPDIF_INPUT_BITS,
48 CONTROL_MIC_CAPTURE_SWITCH,
49 CONTROL_LINE_CAPTURE_SWITCH,
50 CONTROL_CD_CAPTURE_SWITCH,
51 CONTROL_AUX_CAPTURE_SWITCH,
52 CONTROL_COUNT
53 };
54
55 #define OXYGEN_PCI_SUBID(sv, sd) \
56 .vendor = PCI_VENDOR_ID_CMEDIA, \
57 .device = 0x8788, \
58 .subvendor = sv, \
59 .subdevice = sd
60
61 #define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
62 #define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
63 OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
64 .driver_data = BROKEN_EEPROM_DRIVER_DATA
65
66 struct pci_dev;
67 struct pci_device_id;
68 struct snd_card;
69 struct snd_pcm_substream;
70 struct snd_pcm_hardware;
71 struct snd_pcm_hw_params;
72 struct snd_kcontrol_new;
73 struct snd_rawmidi;
74 struct snd_info_buffer;
75 struct oxygen;
76
77 struct oxygen_model {
78 const char *shortname;
79 const char *longname;
80 const char *chip;
81 void (*init)(struct oxygen *chip);
82 int (*control_filter)(struct snd_kcontrol_new *template);
83 int (*mixer_init)(struct oxygen *chip);
84 void (*cleanup)(struct oxygen *chip);
85 void (*suspend)(struct oxygen *chip);
86 void (*resume)(struct oxygen *chip);
87 void (*pcm_hardware_filter)(unsigned int channel,
88 struct snd_pcm_hardware *hardware);
89 void (*set_dac_params)(struct oxygen *chip,
90 struct snd_pcm_hw_params *params);
91 void (*set_adc_params)(struct oxygen *chip,
92 struct snd_pcm_hw_params *params);
93 void (*update_dac_volume)(struct oxygen *chip);
94 void (*update_dac_mute)(struct oxygen *chip);
95 void (*update_center_lfe_mix)(struct oxygen *chip, bool mixed);
96 unsigned int (*adjust_dac_routing)(struct oxygen *chip,
97 unsigned int play_routing);
98 void (*gpio_changed)(struct oxygen *chip);
99 void (*uart_input)(struct oxygen *chip);
100 void (*ac97_switch)(struct oxygen *chip,
101 unsigned int reg, unsigned int mute);
102 void (*dump_registers)(struct oxygen *chip,
103 struct snd_info_buffer *buffer);
104 const unsigned int *dac_tlv;
105 size_t model_data_size;
106 unsigned int device_config;
107 u8 dac_channels_pcm;
108 u8 dac_channels_mixer;
109 u8 dac_volume_min;
110 u8 dac_volume_max;
111 u8 misc_flags;
112 u8 function_flags;
113 u8 dac_mclks;
114 u8 adc_mclks;
115 u16 dac_i2s_format;
116 u16 adc_i2s_format;
117 };
118
119 struct oxygen {
120 unsigned long addr;
121 spinlock_t reg_lock;
122 struct mutex mutex;
123 struct snd_card *card;
124 struct pci_dev *pci;
125 struct snd_rawmidi *midi;
126 int irq;
127 void *model_data;
128 unsigned int interrupt_mask;
129 u8 dac_volume[8];
130 u8 dac_mute;
131 u8 pcm_active;
132 u8 pcm_running;
133 u8 dac_routing;
134 u8 spdif_playback_enable;
135 u8 has_ac97_0;
136 u8 has_ac97_1;
137 u32 spdif_bits;
138 u32 spdif_pcm_bits;
139 struct snd_pcm_substream *streams[PCM_COUNT];
140 struct snd_kcontrol *controls[CONTROL_COUNT];
141 struct work_struct spdif_input_bits_work;
142 struct work_struct gpio_work;
143 wait_queue_head_t ac97_waitqueue;
144 union {
145 u8 _8[OXYGEN_IO_SIZE];
146 __le16 _16[OXYGEN_IO_SIZE / 2];
147 __le32 _32[OXYGEN_IO_SIZE / 4];
148 } saved_registers;
149 u16 saved_ac97_registers[2][0x40];
150 unsigned int uart_input_count;
151 u8 uart_input[32];
152 struct oxygen_model model;
153 };
154
155 /* oxygen_lib.c */
156
157 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
158 struct module *owner,
159 const struct pci_device_id *ids,
160 int (*get_model)(struct oxygen *chip,
161 const struct pci_device_id *id
162 )
163 );
164 #ifdef CONFIG_PM_SLEEP
165 extern const struct dev_pm_ops oxygen_pci_pm;
166 #endif
167 void oxygen_pci_shutdown(struct pci_dev *pci);
168
169 /* oxygen_mixer.c */
170
171 int oxygen_mixer_init(struct oxygen *chip);
172 void oxygen_update_dac_routing(struct oxygen *chip);
173 void oxygen_update_spdif_source(struct oxygen *chip);
174
175 /* oxygen_pcm.c */
176
177 int oxygen_pcm_init(struct oxygen *chip);
178
179 /* oxygen_io.c */
180
181 u8 oxygen_read8(struct oxygen *chip, unsigned int reg);
182 u16 oxygen_read16(struct oxygen *chip, unsigned int reg);
183 u32 oxygen_read32(struct oxygen *chip, unsigned int reg);
184 void oxygen_write8(struct oxygen *chip, unsigned int reg, u8 value);
185 void oxygen_write16(struct oxygen *chip, unsigned int reg, u16 value);
186 void oxygen_write32(struct oxygen *chip, unsigned int reg, u32 value);
187 void oxygen_write8_masked(struct oxygen *chip, unsigned int reg,
188 u8 value, u8 mask);
189 void oxygen_write16_masked(struct oxygen *chip, unsigned int reg,
190 u16 value, u16 mask);
191 void oxygen_write32_masked(struct oxygen *chip, unsigned int reg,
192 u32 value, u32 mask);
193
194 u16 oxygen_read_ac97(struct oxygen *chip, unsigned int codec,
195 unsigned int index);
196 void oxygen_write_ac97(struct oxygen *chip, unsigned int codec,
197 unsigned int index, u16 data);
198 void oxygen_write_ac97_masked(struct oxygen *chip, unsigned int codec,
199 unsigned int index, u16 data, u16 mask);
200
201 int oxygen_write_spi(struct oxygen *chip, u8 control, unsigned int data);
202 void oxygen_write_i2c(struct oxygen *chip, u8 device, u8 map, u8 data);
203
204 void oxygen_reset_uart(struct oxygen *chip);
205 void oxygen_write_uart(struct oxygen *chip, u8 data);
206
207 u16 oxygen_read_eeprom(struct oxygen *chip, unsigned int index);
208 void oxygen_write_eeprom(struct oxygen *chip, unsigned int index, u16 value);
209
210 static inline void oxygen_set_bits8(struct oxygen *chip,
211 unsigned int reg, u8 value)
212 {
213 oxygen_write8_masked(chip, reg, value, value);
214 }
215
216 static inline void oxygen_set_bits16(struct oxygen *chip,
217 unsigned int reg, u16 value)
218 {
219 oxygen_write16_masked(chip, reg, value, value);
220 }
221
222 static inline void oxygen_set_bits32(struct oxygen *chip,
223 unsigned int reg, u32 value)
224 {
225 oxygen_write32_masked(chip, reg, value, value);
226 }
227
228 static inline void oxygen_clear_bits8(struct oxygen *chip,
229 unsigned int reg, u8 value)
230 {
231 oxygen_write8_masked(chip, reg, 0, value);
232 }
233
234 static inline void oxygen_clear_bits16(struct oxygen *chip,
235 unsigned int reg, u16 value)
236 {
237 oxygen_write16_masked(chip, reg, 0, value);
238 }
239
240 static inline void oxygen_clear_bits32(struct oxygen *chip,
241 unsigned int reg, u32 value)
242 {
243 oxygen_write32_masked(chip, reg, 0, value);
244 }
245
246 static inline void oxygen_ac97_set_bits(struct oxygen *chip, unsigned int codec,
247 unsigned int index, u16 value)
248 {
249 oxygen_write_ac97_masked(chip, codec, index, value, value);
250 }
251
252 static inline void oxygen_ac97_clear_bits(struct oxygen *chip,
253 unsigned int codec,
254 unsigned int index, u16 value)
255 {
256 oxygen_write_ac97_masked(chip, codec, index, 0, value);
257 }
258
259 #endif
260
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