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ice1712.h
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1 #ifndef __SOUND_ICE1712_H
2 #define __SOUND_ICE1712_H
3 
4 /*
5  * ALSA driver for ICEnsemble ICE1712 (Envy24)
6  *
7  * Copyright (c) 2000 Jaroslav Kysela <[email protected]>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  *
23  */
24 
25 #include <sound/control.h>
26 #include <sound/ac97_codec.h>
27 #include <sound/rawmidi.h>
28 #include <sound/i2c.h>
29 #include <sound/ak4xxx-adda.h>
30 #include <sound/ak4114.h>
31 #include <sound/pt2258.h>
32 #include <sound/pcm.h>
33 #include <sound/mpu401.h>
34 
35 
36 /*
37  * Direct registers
38  */
39 
40 #define ICEREG(ice, x) ((ice)->port + ICE1712_REG_##x)
41 
42 #define ICE1712_REG_CONTROL 0x00 /* byte */
43 #define ICE1712_RESET 0x80 /* reset whole chip */
44 #define ICE1712_SERR_LEVEL 0x04 /* SERR# level otherwise edge */
45 #define ICE1712_NATIVE 0x01 /* native mode otherwise SB */
46 #define ICE1712_REG_IRQMASK 0x01 /* byte */
47 #define ICE1712_IRQ_MPU1 0x80
48 #define ICE1712_IRQ_TIMER 0x40
49 #define ICE1712_IRQ_MPU2 0x20
50 #define ICE1712_IRQ_PROPCM 0x10
51 #define ICE1712_IRQ_FM 0x08 /* FM/MIDI - legacy */
52 #define ICE1712_IRQ_PBKDS 0x04 /* playback DS channels */
53 #define ICE1712_IRQ_CONCAP 0x02 /* consumer capture */
54 #define ICE1712_IRQ_CONPBK 0x01 /* consumer playback */
55 #define ICE1712_REG_IRQSTAT 0x02 /* byte */
56 /* look to ICE1712_IRQ_* */
57 #define ICE1712_REG_INDEX 0x03 /* byte - indirect CCIxx regs */
58 #define ICE1712_REG_DATA 0x04 /* byte - indirect CCIxx regs */
59 #define ICE1712_REG_NMI_STAT1 0x05 /* byte */
60 #define ICE1712_REG_NMI_DATA 0x06 /* byte */
61 #define ICE1712_REG_NMI_INDEX 0x07 /* byte */
62 #define ICE1712_REG_AC97_INDEX 0x08 /* byte */
63 #define ICE1712_REG_AC97_CMD 0x09 /* byte */
64 #define ICE1712_AC97_COLD 0x80 /* cold reset */
65 #define ICE1712_AC97_WARM 0x40 /* warm reset */
66 #define ICE1712_AC97_WRITE 0x20 /* W: write, R: write in progress */
67 #define ICE1712_AC97_READ 0x10 /* W: read, R: read in progress */
68 #define ICE1712_AC97_READY 0x08 /* codec ready status bit */
69 #define ICE1712_AC97_PBK_VSR 0x02 /* playback VSR */
70 #define ICE1712_AC97_CAP_VSR 0x01 /* capture VSR */
71 #define ICE1712_REG_AC97_DATA 0x0a /* word (little endian) */
72 #define ICE1712_REG_MPU1_CTRL 0x0c /* byte */
73 #define ICE1712_REG_MPU1_DATA 0x0d /* byte */
74 #define ICE1712_REG_I2C_DEV_ADDR 0x10 /* byte */
75 #define ICE1712_I2C_WRITE 0x01 /* write direction */
76 #define ICE1712_REG_I2C_BYTE_ADDR 0x11 /* byte */
77 #define ICE1712_REG_I2C_DATA 0x12 /* byte */
78 #define ICE1712_REG_I2C_CTRL 0x13 /* byte */
79 #define ICE1712_I2C_EEPROM 0x80 /* EEPROM exists */
80 #define ICE1712_I2C_BUSY 0x01 /* busy bit */
81 #define ICE1712_REG_CONCAP_ADDR 0x14 /* dword - consumer capture */
82 #define ICE1712_REG_CONCAP_COUNT 0x18 /* word - current/base count */
83 #define ICE1712_REG_SERR_SHADOW 0x1b /* byte */
84 #define ICE1712_REG_MPU2_CTRL 0x1c /* byte */
85 #define ICE1712_REG_MPU2_DATA 0x1d /* byte */
86 #define ICE1712_REG_TIMER 0x1e /* word */
87 
88 /*
89  * Indirect registers
90  */
91 
92 #define ICE1712_IREG_PBK_COUNT_LO 0x00
93 #define ICE1712_IREG_PBK_COUNT_HI 0x01
94 #define ICE1712_IREG_PBK_CTRL 0x02
95 #define ICE1712_IREG_PBK_LEFT 0x03 /* left volume */
96 #define ICE1712_IREG_PBK_RIGHT 0x04 /* right volume */
97 #define ICE1712_IREG_PBK_SOFT 0x05 /* soft volume */
98 #define ICE1712_IREG_PBK_RATE_LO 0x06
99 #define ICE1712_IREG_PBK_RATE_MID 0x07
100 #define ICE1712_IREG_PBK_RATE_HI 0x08
101 #define ICE1712_IREG_CAP_COUNT_LO 0x10
102 #define ICE1712_IREG_CAP_COUNT_HI 0x11
103 #define ICE1712_IREG_CAP_CTRL 0x12
104 #define ICE1712_IREG_GPIO_DATA 0x20
105 #define ICE1712_IREG_GPIO_WRITE_MASK 0x21
106 #define ICE1712_IREG_GPIO_DIRECTION 0x22
107 #define ICE1712_IREG_CONSUMER_POWERDOWN 0x30
108 #define ICE1712_IREG_PRO_POWERDOWN 0x31
109 
110 /*
111  * Consumer section direct DMA registers
112  */
113 
114 #define ICEDS(ice, x) ((ice)->dmapath_port + ICE1712_DS_##x)
115 
116 #define ICE1712_DS_INTMASK 0x00 /* word - interrupt mask */
117 #define ICE1712_DS_INTSTAT 0x02 /* word - interrupt status */
118 #define ICE1712_DS_DATA 0x04 /* dword - channel data */
119 #define ICE1712_DS_INDEX 0x08 /* dword - channel index */
120 
121 /*
122  * Consumer section channel registers
123  */
124 
125 #define ICE1712_DSC_ADDR0 0x00 /* dword - base address 0 */
126 #define ICE1712_DSC_COUNT0 0x01 /* word - count 0 */
127 #define ICE1712_DSC_ADDR1 0x02 /* dword - base address 1 */
128 #define ICE1712_DSC_COUNT1 0x03 /* word - count 1 */
129 #define ICE1712_DSC_CONTROL 0x04 /* byte - control & status */
130 #define ICE1712_BUFFER1 0x80 /* buffer1 is active */
131 #define ICE1712_BUFFER1_AUTO 0x40 /* buffer1 auto init */
132 #define ICE1712_BUFFER0_AUTO 0x20 /* buffer0 auto init */
133 #define ICE1712_FLUSH 0x10 /* flush FIFO */
134 #define ICE1712_STEREO 0x08 /* stereo */
135 #define ICE1712_16BIT 0x04 /* 16-bit data */
136 #define ICE1712_PAUSE 0x02 /* pause */
137 #define ICE1712_START 0x01 /* start */
138 #define ICE1712_DSC_RATE 0x05 /* dword - rate */
139 #define ICE1712_DSC_VOLUME 0x06 /* word - volume control */
140 
141 /*
142  * Professional multi-track direct control registers
143  */
144 
145 #define ICEMT(ice, x) ((ice)->profi_port + ICE1712_MT_##x)
146 
147 #define ICE1712_MT_IRQ 0x00 /* byte - interrupt mask */
148 #define ICE1712_MULTI_CAPTURE 0x80 /* capture IRQ */
149 #define ICE1712_MULTI_PLAYBACK 0x40 /* playback IRQ */
150 #define ICE1712_MULTI_CAPSTATUS 0x02 /* capture IRQ status */
151 #define ICE1712_MULTI_PBKSTATUS 0x01 /* playback IRQ status */
152 #define ICE1712_MT_RATE 0x01 /* byte - sampling rate select */
153 #define ICE1712_SPDIF_MASTER 0x10 /* S/PDIF input is master clock */
154 #define ICE1712_MT_I2S_FORMAT 0x02 /* byte - I2S data format */
155 #define ICE1712_MT_AC97_INDEX 0x04 /* byte - AC'97 index */
156 #define ICE1712_MT_AC97_CMD 0x05 /* byte - AC'97 command & status */
157 /* look to ICE1712_AC97_* */
158 #define ICE1712_MT_AC97_DATA 0x06 /* word - AC'97 data */
159 #define ICE1712_MT_PLAYBACK_ADDR 0x10 /* dword - playback address */
160 #define ICE1712_MT_PLAYBACK_SIZE 0x14 /* word - playback size */
161 #define ICE1712_MT_PLAYBACK_COUNT 0x16 /* word - playback count */
162 #define ICE1712_MT_PLAYBACK_CONTROL 0x18 /* byte - control */
163 #define ICE1712_CAPTURE_START_SHADOW 0x04 /* capture start */
164 #define ICE1712_PLAYBACK_PAUSE 0x02 /* playback pause */
165 #define ICE1712_PLAYBACK_START 0x01 /* playback start */
166 #define ICE1712_MT_CAPTURE_ADDR 0x20 /* dword - capture address */
167 #define ICE1712_MT_CAPTURE_SIZE 0x24 /* word - capture size */
168 #define ICE1712_MT_CAPTURE_COUNT 0x26 /* word - capture count */
169 #define ICE1712_MT_CAPTURE_CONTROL 0x28 /* byte - control */
170 #define ICE1712_CAPTURE_START 0x01 /* capture start */
171 #define ICE1712_MT_ROUTE_PSDOUT03 0x30 /* word */
172 #define ICE1712_MT_ROUTE_SPDOUT 0x32 /* word */
173 #define ICE1712_MT_ROUTE_CAPTURE 0x34 /* dword */
174 #define ICE1712_MT_MONITOR_VOLUME 0x38 /* word */
175 #define ICE1712_MT_MONITOR_INDEX 0x3a /* byte */
176 #define ICE1712_MT_MONITOR_RATE 0x3b /* byte */
177 #define ICE1712_MT_MONITOR_ROUTECTRL 0x3c /* byte */
178 #define ICE1712_ROUTE_AC97 0x01 /* route digital mixer output to AC'97 */
179 #define ICE1712_MT_MONITOR_PEAKINDEX 0x3e /* byte */
180 #define ICE1712_MT_MONITOR_PEAKDATA 0x3f /* byte */
181 
182 /*
183  * Codec configuration bits
184  */
185 
186 /* PCI[60] System Configuration */
187 #define ICE1712_CFG_CLOCK 0xc0
188 #define ICE1712_CFG_CLOCK512 0x00 /* 22.5692Mhz, 44.1kHz*512 */
189 #define ICE1712_CFG_CLOCK384 0x40 /* 16.9344Mhz, 44.1kHz*384 */
190 #define ICE1712_CFG_EXT 0x80 /* external clock */
191 #define ICE1712_CFG_2xMPU401 0x20 /* two MPU401 UARTs */
192 #define ICE1712_CFG_NO_CON_AC97 0x10 /* consumer AC'97 codec is not present */
193 #define ICE1712_CFG_ADC_MASK 0x0c /* one, two, three, four stereo ADCs */
194 #define ICE1712_CFG_DAC_MASK 0x03 /* one, two, three, four stereo DACs */
195 /* PCI[61] AC-Link Configuration */
196 #define ICE1712_CFG_PRO_I2S 0x80 /* multitrack converter: I2S or AC'97 */
197 #define ICE1712_CFG_AC97_PACKED 0x01 /* split or packed mode - AC'97 */
198 /* PCI[62] I2S Features */
199 #define ICE1712_CFG_I2S_VOLUME 0x80 /* volume/mute capability */
200 #define ICE1712_CFG_I2S_96KHZ 0x40 /* supports 96kHz sampling */
201 #define ICE1712_CFG_I2S_RESMASK 0x30 /* resolution mask, 16,18,20,24-bit */
202 #define ICE1712_CFG_I2S_OTHER 0x0f /* other I2S IDs */
203 /* PCI[63] S/PDIF Configuration */
204 #define ICE1712_CFG_I2S_CHIPID 0xfc /* I2S chip ID */
205 #define ICE1712_CFG_SPDIF_IN 0x02 /* S/PDIF input is present */
206 #define ICE1712_CFG_SPDIF_OUT 0x01 /* S/PDIF output is present */
207 
208 /*
209  * DMA mode values
210  * identical with DMA_XXX on i386 architecture.
211  */
212 #define ICE1712_DMA_MODE_WRITE 0x48
213 #define ICE1712_DMA_AUTOINIT 0x10
214 
215 
216 /*
217  *
218  */
219 
220 struct snd_ice1712;
221 
222 struct snd_ice1712_eeprom {
223  unsigned int subvendor; /* PCI[2c-2f] */
224  unsigned char size; /* size of EEPROM image in bytes */
225  unsigned char version; /* must be 1 (or 2 for vt1724) */
226  unsigned char data[32];
227  unsigned int gpiomask;
228  unsigned int gpiostate;
229  unsigned int gpiodir;
230 };
231 
232 enum {
233  ICE_EEP1_CODEC = 0, /* 06 */
234  ICE_EEP1_ACLINK, /* 07 */
235  ICE_EEP1_I2SID, /* 08 */
236  ICE_EEP1_SPDIF, /* 09 */
237  ICE_EEP1_GPIO_MASK, /* 0a */
238  ICE_EEP1_GPIO_STATE, /* 0b */
239  ICE_EEP1_GPIO_DIR, /* 0c */
240  ICE_EEP1_AC97_MAIN_LO, /* 0d */
241  ICE_EEP1_AC97_MAIN_HI, /* 0e */
242  ICE_EEP1_AC97_PCM_LO, /* 0f */
243  ICE_EEP1_AC97_PCM_HI, /* 10 */
244  ICE_EEP1_AC97_REC_LO, /* 11 */
245  ICE_EEP1_AC97_REC_HI, /* 12 */
246  ICE_EEP1_AC97_RECSRC, /* 13 */
247  ICE_EEP1_DAC_ID, /* 14 */
248  ICE_EEP1_DAC_ID1,
249  ICE_EEP1_DAC_ID2,
250  ICE_EEP1_DAC_ID3,
251  ICE_EEP1_ADC_ID, /* 18 */
252  ICE_EEP1_ADC_ID1,
253  ICE_EEP1_ADC_ID2,
254  ICE_EEP1_ADC_ID3
255 };
256 
257 #define ice_has_con_ac97(ice) (!((ice)->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97))
258 
259 
260 struct snd_ak4xxx_private {
261  unsigned int cif:1; /* CIF mode */
262  unsigned char caddr; /* C0 and C1 bits */
263  unsigned int data_mask; /* DATA gpio bit */
264  unsigned int clk_mask; /* CLK gpio bit */
265  unsigned int cs_mask; /* bit mask for select/deselect address */
266  unsigned int cs_addr; /* bits to select address */
267  unsigned int cs_none; /* bits to deselect address */
268  unsigned int add_flags; /* additional bits at init */
269  unsigned int mask_flags; /* total mask bits */
270  struct snd_akm4xxx_ops {
271  void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
272  } ops;
273 };
274 
275 struct snd_ice1712_spdif {
276  unsigned char cs8403_bits;
277  unsigned char cs8403_stream_bits;
278  struct snd_kcontrol *stream_ctl;
279 
280  struct snd_ice1712_spdif_ops {
281  void (*open)(struct snd_ice1712 *, struct snd_pcm_substream *);
282  void (*setup_rate)(struct snd_ice1712 *, int rate);
283  void (*close)(struct snd_ice1712 *, struct snd_pcm_substream *);
284  void (*default_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
285  int (*default_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
286  void (*stream_get)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
287  int (*stream_put)(struct snd_ice1712 *, struct snd_ctl_elem_value *ucontrol);
288  } ops;
289 };
290 
291 
292 struct snd_ice1712 {
293  unsigned long conp_dma_size;
294  unsigned long conc_dma_size;
295  unsigned long prop_dma_size;
296  unsigned long proc_dma_size;
297  int irq;
298 
299  unsigned long port;
300  unsigned long ddma_port;
301  unsigned long dmapath_port;
302  unsigned long profi_port;
303 
304  struct pci_dev *pci;
305  struct snd_card *card;
306  struct snd_pcm *pcm;
307  struct snd_pcm *pcm_ds;
308  struct snd_pcm *pcm_pro;
309  struct snd_pcm_substream *playback_con_substream;
310  struct snd_pcm_substream *playback_con_substream_ds[6];
311  struct snd_pcm_substream *capture_con_substream;
312  struct snd_pcm_substream *playback_pro_substream;
313  struct snd_pcm_substream *capture_pro_substream;
314  unsigned int playback_pro_size;
315  unsigned int capture_pro_size;
316  unsigned int playback_con_virt_addr[6];
317  unsigned int playback_con_active_buf[6];
318  unsigned int capture_con_virt_addr;
319  unsigned int ac97_ext_id;
320  struct snd_ac97 *ac97;
321  struct snd_rawmidi *rmidi[2];
322 
323  spinlock_t reg_lock;
324  struct snd_info_entry *proc_entry;
325 
326  struct snd_ice1712_eeprom eeprom;
327 
328  unsigned int pro_volumes[20];
329  unsigned int omni:1; /* Delta Omni I/O */
330  unsigned int dxr_enable:1; /* Terratec DXR enable for DMX6FIRE */
331  unsigned int vt1724:1;
332  unsigned int vt1720:1;
333  unsigned int has_spdif:1; /* VT1720/4 - has SPDIF I/O */
334  unsigned int force_pdma4:1; /* VT1720/4 - PDMA4 as non-spdif */
335  unsigned int force_rdma1:1; /* VT1720/4 - RDMA1 as non-spdif */
336  unsigned int midi_output:1; /* VT1720/4: MIDI output triggered */
337  unsigned int midi_input:1; /* VT1720/4: MIDI input triggered */
338  unsigned int own_routing:1; /* VT1720/4: use own routing ctls */
339  unsigned int num_total_dacs; /* total DACs */
340  unsigned int num_total_adcs; /* total ADCs */
341  unsigned int cur_rate; /* current rate */
342 
343  struct mutex open_mutex;
344  struct snd_pcm_substream *pcm_reserved[4];
345  struct snd_pcm_hw_constraint_list *hw_rates; /* card-specific rate constraints */
346 
347  unsigned int akm_codecs;
348  struct snd_akm4xxx *akm;
349  struct snd_ice1712_spdif spdif;
350 
351  struct mutex i2c_mutex; /* I2C mutex for ICE1724 registers */
352  struct snd_i2c_bus *i2c; /* I2C bus */
353  struct snd_i2c_device *cs8427; /* CS8427 I2C device */
354  unsigned int cs8427_timeout; /* CS8427 reset timeout in HZ/100 */
355 
356  struct ice1712_gpio {
357  unsigned int direction; /* current direction bits */
358  unsigned int write_mask; /* current mask bits */
359  unsigned int saved[2]; /* for ewx_i2c */
360  /* operators */
361  void (*set_mask)(struct snd_ice1712 *ice, unsigned int data);
362  unsigned int (*get_mask)(struct snd_ice1712 *ice);
363  void (*set_dir)(struct snd_ice1712 *ice, unsigned int data);
364  unsigned int (*get_dir)(struct snd_ice1712 *ice);
365  void (*set_data)(struct snd_ice1712 *ice, unsigned int data);
366  unsigned int (*get_data)(struct snd_ice1712 *ice);
367  /* misc operators - move to another place? */
368  void (*set_pro_rate)(struct snd_ice1712 *ice, unsigned int rate);
369  void (*i2s_mclk_changed)(struct snd_ice1712 *ice);
370  } gpio;
371  struct mutex gpio_mutex;
372 
373  /* other board-specific data */
374  void *spec;
375 
376  /* VT172x specific */
377  int pro_rate_default;
378  int (*is_spdif_master)(struct snd_ice1712 *ice);
379  unsigned int (*get_rate)(struct snd_ice1712 *ice);
380  void (*set_rate)(struct snd_ice1712 *ice, unsigned int rate);
381  unsigned char (*set_mclk)(struct snd_ice1712 *ice, unsigned int rate);
382  int (*set_spdif_clock)(struct snd_ice1712 *ice, int type);
383  int (*get_spdif_master_type)(struct snd_ice1712 *ice);
384  char **ext_clock_names;
385  int ext_clock_count;
386  void (*pro_open)(struct snd_ice1712 *, struct snd_pcm_substream *);
387 #ifdef CONFIG_PM_SLEEP
388  int (*pm_suspend)(struct snd_ice1712 *);
389  int (*pm_resume)(struct snd_ice1712 *);
390  unsigned int pm_suspend_enabled:1;
391  unsigned int pm_saved_is_spdif_master:1;
392  unsigned int pm_saved_spdif_ctrl;
393  unsigned char pm_saved_spdif_cfg;
394  unsigned int pm_saved_route;
395 #endif
396 };
397 
398 
399 /*
400  * gpio access functions
401  */
402 static inline void snd_ice1712_gpio_set_dir(struct snd_ice1712 *ice, unsigned int bits)
403 {
404  ice->gpio.set_dir(ice, bits);
405 }
406 
407 static inline unsigned int snd_ice1712_gpio_get_dir(struct snd_ice1712 *ice)
408 {
409  return ice->gpio.get_dir(ice);
410 }
411 
412 static inline void snd_ice1712_gpio_set_mask(struct snd_ice1712 *ice, unsigned int bits)
413 {
414  ice->gpio.set_mask(ice, bits);
415 }
416 
417 static inline void snd_ice1712_gpio_write(struct snd_ice1712 *ice, unsigned int val)
418 {
419  ice->gpio.set_data(ice, val);
420 }
421 
422 static inline unsigned int snd_ice1712_gpio_read(struct snd_ice1712 *ice)
423 {
424  return ice->gpio.get_data(ice);
425 }
426 
427 /*
428  * save and restore gpio status
429  * The access to gpio will be protected by mutex, so don't forget to
430  * restore!
431  */
432 static inline void snd_ice1712_save_gpio_status(struct snd_ice1712 *ice)
433 {
434  mutex_lock(&ice->gpio_mutex);
435  ice->gpio.saved[0] = ice->gpio.direction;
436  ice->gpio.saved[1] = ice->gpio.write_mask;
437 }
438 
439 static inline void snd_ice1712_restore_gpio_status(struct snd_ice1712 *ice)
440 {
441  ice->gpio.set_dir(ice, ice->gpio.saved[0]);
442  ice->gpio.set_mask(ice, ice->gpio.saved[1]);
443  ice->gpio.direction = ice->gpio.saved[0];
444  ice->gpio.write_mask = ice->gpio.saved[1];
445  mutex_unlock(&ice->gpio_mutex);
446 }
447 
448 /* for bit controls */
449 #define ICE1712_GPIO(xiface, xname, xindex, mask, invert, xaccess) \
450 { .iface = xiface, .name = xname, .access = xaccess, .info = snd_ctl_boolean_mono_info, \
451  .get = snd_ice1712_gpio_get, .put = snd_ice1712_gpio_put, \
452  .private_value = mask | (invert << 24) }
453 
454 int snd_ice1712_gpio_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
455 int snd_ice1712_gpio_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);
456 
457 /*
458  * set gpio direction, write mask and data
459  */
460 static inline void snd_ice1712_gpio_write_bits(struct snd_ice1712 *ice,
461  unsigned int mask, unsigned int bits)
462 {
463  unsigned val;
464 
465  ice->gpio.direction |= mask;
466  snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
467  val = snd_ice1712_gpio_read(ice);
468  val &= ~mask;
469  val |= mask & bits;
470  snd_ice1712_gpio_write(ice, val);
471 }
472 
473 static inline int snd_ice1712_gpio_read_bits(struct snd_ice1712 *ice,
474  unsigned int mask)
475 {
476  ice->gpio.direction &= ~mask;
477  snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
478  return snd_ice1712_gpio_read(ice) & mask;
479 }
480 
481 /* route access functions */
482 int snd_ice1724_get_route_val(struct snd_ice1712 *ice, int shift);
483 int snd_ice1724_put_route_val(struct snd_ice1712 *ice, unsigned int val,
484  int shift);
485 
486 int snd_ice1712_spdif_build_controls(struct snd_ice1712 *ice);
487 
488 int snd_ice1712_akm4xxx_init(struct snd_akm4xxx *ak,
489  const struct snd_akm4xxx *template,
490  const struct snd_ak4xxx_private *priv,
491  struct snd_ice1712 *ice);
492 void snd_ice1712_akm4xxx_free(struct snd_ice1712 *ice);
493 int snd_ice1712_akm4xxx_build_controls(struct snd_ice1712 *ice);
494 
495 int snd_ice1712_init_cs8427(struct snd_ice1712 *ice, int addr);
496 
497 static inline void snd_ice1712_write(struct snd_ice1712 *ice, u8 addr, u8 data)
498 {
499  outb(addr, ICEREG(ice, INDEX));
500  outb(data, ICEREG(ice, DATA));
501 }
502 
503 static inline u8 snd_ice1712_read(struct snd_ice1712 *ice, u8 addr)
504 {
505  outb(addr, ICEREG(ice, INDEX));
506  return inb(ICEREG(ice, DATA));
507 }
508 
509 
510 /*
511  * entry pointer
512  */
513 
514 struct snd_ice1712_card_info {
515  unsigned int subvendor;
516  char *name;
517  char *model;
518  char *driver;
519  int (*chip_init)(struct snd_ice1712 *);
520  int (*build_controls)(struct snd_ice1712 *);
521  unsigned int no_mpu401:1;
522  unsigned int mpu401_1_info_flags;
523  unsigned int mpu401_2_info_flags;
524  const char *mpu401_1_name;
525  const char *mpu401_2_name;
526  const unsigned int eeprom_size;
527  const unsigned char *eeprom_data;
528 };
529 
530 
531 #endif /* __SOUND_ICE1712_H */
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