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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_MCLKS(f_single, f_double, f_quad) ((MCLK_##f_single << 0) | \
20 						  (MCLK_##f_double << 2) | \
21 						  (MCLK_##f_quad   << 4))
22 
23 #define OXYGEN_IO_SIZE	0x100
24 
25 #define OXYGEN_EEPROM_ID	0x434d	/* "CM" */
26 
27 /* model-specific configuration of outputs/inputs */
28 #define PLAYBACK_0_TO_I2S	0x0001
29      /* PLAYBACK_0_TO_AC97_0		not implemented */
30 #define PLAYBACK_1_TO_SPDIF	0x0004
31 #define PLAYBACK_2_TO_AC97_1	0x0008
32 #define CAPTURE_0_FROM_I2S_1	0x0010
33 #define CAPTURE_0_FROM_I2S_2	0x0020
34      /* CAPTURE_0_FROM_AC97_0		not implemented */
35 #define CAPTURE_1_FROM_SPDIF	0x0080
36 #define CAPTURE_2_FROM_I2S_2	0x0100
37 #define CAPTURE_2_FROM_AC97_1	0x0200
38 #define CAPTURE_3_FROM_I2S_3	0x0400
39 #define MIDI_OUTPUT		0x0800
40 #define MIDI_INPUT		0x1000
41 #define AC97_CD_INPUT		0x2000
42 #define AC97_FMIC_SWITCH	0x4000
43 
44 enum {
45 	CONTROL_SPDIF_PCM,
46 	CONTROL_SPDIF_INPUT_BITS,
47 	CONTROL_MIC_CAPTURE_SWITCH,
48 	CONTROL_LINE_CAPTURE_SWITCH,
49 	CONTROL_CD_CAPTURE_SWITCH,
50 	CONTROL_AUX_CAPTURE_SWITCH,
51 	CONTROL_COUNT
52 };
53 
54 #define OXYGEN_PCI_SUBID(sv, sd) \
55 	.vendor = PCI_VENDOR_ID_CMEDIA, \
56 	.device = 0x8788, \
57 	.subvendor = sv, \
58 	.subdevice = sd
59 
60 #define BROKEN_EEPROM_DRIVER_DATA ((unsigned long)-1)
61 #define OXYGEN_PCI_SUBID_BROKEN_EEPROM \
62 	OXYGEN_PCI_SUBID(PCI_VENDOR_ID_CMEDIA, 0x8788), \
63 	.driver_data = BROKEN_EEPROM_DRIVER_DATA
64 
65 struct pci_dev;
66 struct pci_device_id;
67 struct snd_card;
68 struct snd_pcm_substream;
69 struct snd_pcm_hardware;
70 struct snd_pcm_hw_params;
71 struct snd_kcontrol_new;
72 struct snd_rawmidi;
73 struct snd_info_buffer;
74 struct oxygen;
75 
76 struct oxygen_model {
77 	const char *shortname;
78 	const char *longname;
79 	const char *chip;
80 	void (*init)(struct oxygen *chip);
81 	int (*control_filter)(struct snd_kcontrol_new *template);
82 	int (*mixer_init)(struct oxygen *chip);
83 	void (*cleanup)(struct oxygen *chip);
84 	void (*suspend)(struct oxygen *chip);
85 	void (*resume)(struct oxygen *chip);
86 	void (*pcm_hardware_filter)(unsigned int channel,
87 				    struct snd_pcm_hardware *hardware);
88 	void (*set_dac_params)(struct oxygen *chip,
89 			       struct snd_pcm_hw_params *params);
90 	void (*set_adc_params)(struct oxygen *chip,
91 			       struct snd_pcm_hw_params *params);
92 	void (*update_dac_volume)(struct oxygen *chip);
93 	void (*update_dac_mute)(struct oxygen *chip);
94 	void (*update_center_lfe_mix)(struct oxygen *chip, bool mixed);
95 	unsigned int (*adjust_dac_routing)(struct oxygen *chip,
96 					   unsigned int play_routing);
97 	void (*gpio_changed)(struct oxygen *chip);
98 	void (*uart_input)(struct oxygen *chip);
99 	void (*ac97_switch)(struct oxygen *chip,
100 			    unsigned int reg, unsigned int mute);
101 	void (*dump_registers)(struct oxygen *chip,
102 			       struct snd_info_buffer *buffer);
103 	const unsigned int *dac_tlv;
104 	size_t model_data_size;
105 	unsigned int device_config;
106 	u8 dac_channels_pcm;
107 	u8 dac_channels_mixer;
108 	u8 dac_volume_min;
109 	u8 dac_volume_max;
110 	u8 misc_flags;
111 	u8 function_flags;
112 	u8 dac_mclks;
113 	u8 adc_mclks;
114 	u16 dac_i2s_format;
115 	u16 adc_i2s_format;
116 };
117 
118 struct oxygen {
119 	unsigned long addr;
120 	spinlock_t reg_lock;
121 	struct mutex mutex;
122 	struct snd_card *card;
123 	struct pci_dev *pci;
124 	struct snd_rawmidi *midi;
125 	int irq;
126 	void *model_data;
127 	unsigned int interrupt_mask;
128 	u8 dac_volume[8];
129 	u8 dac_mute;
130 	u8 pcm_active;
131 	u8 pcm_running;
132 	u8 dac_routing;
133 	u8 spdif_playback_enable;
134 	u8 has_ac97_0;
135 	u8 has_ac97_1;
136 	u32 spdif_bits;
137 	u32 spdif_pcm_bits;
138 	struct snd_pcm_substream *streams[PCM_COUNT];
139 	struct snd_kcontrol *controls[CONTROL_COUNT];
140 	struct work_struct spdif_input_bits_work;
141 	struct work_struct gpio_work;
142 	wait_queue_head_t ac97_waitqueue;
143 	union {
144 		u8 _8[OXYGEN_IO_SIZE];
145 		__le16 _16[OXYGEN_IO_SIZE / 2];
146 		__le32 _32[OXYGEN_IO_SIZE / 4];
147 	} saved_registers;
148 	u16 saved_ac97_registers[2][0x40];
149 	unsigned int uart_input_count;
150 	u8 uart_input[32];
151 	struct oxygen_model model;
152 };
153 
154 /* oxygen_lib.c */
155 
156 int oxygen_pci_probe(struct pci_dev *pci, int index, char *id,
157 		     struct module *owner,
158 		     const struct pci_device_id *ids,
159 		     int (*get_model)(struct oxygen *chip,
160 				      const struct pci_device_id *id
161 				     )
162 		    );
163 void oxygen_pci_remove(struct pci_dev *pci);
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 
oxygen_set_bits8(struct oxygen * chip,unsigned int reg,u8 value)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 
oxygen_set_bits16(struct oxygen * chip,unsigned int reg,u16 value)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 
oxygen_set_bits32(struct oxygen * chip,unsigned int reg,u32 value)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 
oxygen_clear_bits8(struct oxygen * chip,unsigned int reg,u8 value)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 
oxygen_clear_bits16(struct oxygen * chip,unsigned int reg,u16 value)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 
oxygen_clear_bits32(struct oxygen * chip,unsigned int reg,u32 value)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 
oxygen_ac97_set_bits(struct oxygen * chip,unsigned int codec,unsigned int index,u16 value)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 
oxygen_ac97_clear_bits(struct oxygen * chip,unsigned int codec,unsigned int index,u16 value)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