Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
wss.h
Go to the documentation of this file.
1 #ifndef __SOUND_WSS_H
2 #define __SOUND_WSS_H
3 
4 /*
5  * Copyright (c) by Jaroslav Kysela <[email protected]>
6  * Definitions for CS4231 & InterWave chips & compatible chips
7  *
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/pcm.h>
27 #include <sound/timer.h>
28 
29 #include <sound/cs4231-regs.h>
30 
31 /* defines for codec.mode */
32 
33 #define WSS_MODE_NONE 0x0000
34 #define WSS_MODE_PLAY 0x0001
35 #define WSS_MODE_RECORD 0x0002
36 #define WSS_MODE_TIMER 0x0004
37 #define WSS_MODE_OPEN (WSS_MODE_PLAY|WSS_MODE_RECORD|WSS_MODE_TIMER)
38 
39 /* defines for codec.hardware */
40 
41 #define WSS_HW_DETECT 0x0000 /* let CS4231 driver detect chip */
42 #define WSS_HW_DETECT3 0x0001 /* allow mode 3 */
43 #define WSS_HW_TYPE_MASK 0xff00 /* type mask */
44 #define WSS_HW_CS4231_MASK 0x0100 /* CS4231 serie */
45 #define WSS_HW_CS4231 0x0100 /* CS4231 chip */
46 #define WSS_HW_CS4231A 0x0101 /* CS4231A chip */
47 #define WSS_HW_AD1845 0x0102 /* AD1845 chip */
48 #define WSS_HW_CS4232_MASK 0x0200 /* CS4232 serie (has control ports) */
49 #define WSS_HW_CS4232 0x0200 /* CS4232 */
50 #define WSS_HW_CS4232A 0x0201 /* CS4232A */
51 #define WSS_HW_CS4236 0x0202 /* CS4236 */
52 #define WSS_HW_CS4236B_MASK 0x0400 /* CS4236B serie (has extended control regs) */
53 #define WSS_HW_CS4235 0x0400 /* CS4235 - Crystal Clear (tm) stereo enhancement */
54 #define WSS_HW_CS4236B 0x0401 /* CS4236B */
55 #define WSS_HW_CS4237B 0x0402 /* CS4237B - SRS 3D */
56 #define WSS_HW_CS4238B 0x0403 /* CS4238B - QSOUND 3D */
57 #define WSS_HW_CS4239 0x0404 /* CS4239 - Crystal Clear (tm) stereo enhancement */
58 #define WSS_HW_AD1848_MASK 0x0800 /* AD1848 serie (half duplex) */
59 #define WSS_HW_AD1847 0x0801 /* AD1847 chip */
60 #define WSS_HW_AD1848 0x0802 /* AD1848 chip */
61 #define WSS_HW_CS4248 0x0803 /* CS4248 chip */
62 #define WSS_HW_CMI8330 0x0804 /* CMI8330 chip */
63 #define WSS_HW_THINKPAD 0x0805 /* Thinkpad 360/750/755 */
64 /* compatible, but clones */
65 #define WSS_HW_INTERWAVE 0x1000 /* InterWave chip */
66 #define WSS_HW_OPL3SA2 0x1101 /* OPL3-SA2 chip, similar to cs4231 */
67 #define WSS_HW_OPTI93X 0x1102 /* Opti 930/931/933 */
68 
69 /* defines for codec.hwshare */
70 #define WSS_HWSHARE_IRQ (1<<0)
71 #define WSS_HWSHARE_DMA1 (1<<1)
72 #define WSS_HWSHARE_DMA2 (1<<2)
73 
74 /* IBM Thinkpad specific stuff */
75 #define AD1848_THINKPAD_CTL_PORT1 0x15e8
76 #define AD1848_THINKPAD_CTL_PORT2 0x15e9
77 #define AD1848_THINKPAD_CS4248_ENABLE_BIT 0x02
78 
79 struct snd_wss {
80  unsigned long port; /* base i/o port */
81  struct resource *res_port;
82  unsigned long cport; /* control base i/o port (CS4236) */
84  int irq; /* IRQ line */
85  int dma1; /* playback DMA */
86  int dma2; /* record DMA */
87  unsigned short version; /* version of CODEC chip */
88  unsigned short mode; /* see to WSS_MODE_XXXX */
89  unsigned short hardware; /* see to WSS_HW_XXXX */
90  unsigned short hwshare; /* shared resources */
91  unsigned short single_dma:1, /* forced single DMA mode (GUS 16-bit */
92  /* daughter board) or dma1 == dma2 */
93  ebus_flag:1, /* SPARC: EBUS present */
94  thinkpad_flag:1; /* Thinkpad CS4248 needs extra help */
95 
96  struct snd_card *card;
97  struct snd_pcm *pcm;
100  struct snd_timer *timer;
101 
102  unsigned char image[32]; /* registers image */
103  unsigned char eimage[32]; /* extended registers image */
104  unsigned char cimage[16]; /* control registers image */
105  int mce_bit;
108  unsigned int p_dma_size;
109  unsigned int c_dma_size;
110 
112  struct mutex mce_mutex;
114 
115  int (*rate_constraint) (struct snd_pcm_runtime *runtime);
117  struct snd_pcm_hw_params *hw_params,
118  unsigned char pdfr);
120  struct snd_pcm_hw_params *hw_params,
121  unsigned char cdfr);
122  void (*trigger) (struct snd_wss *chip, unsigned int what, int start);
123 #ifdef CONFIG_PM
124  void (*suspend) (struct snd_wss *chip);
125  void (*resume) (struct snd_wss *chip);
126 #endif
128  int (*claim_dma) (struct snd_wss *chip,
129  void *dma_private_data, int dma);
131  void *dma_private_data, int dma);
132 };
133 
134 /* exported functions */
135 
136 void snd_wss_out(struct snd_wss *chip, unsigned char reg, unsigned char val);
137 unsigned char snd_wss_in(struct snd_wss *chip, unsigned char reg);
138 void snd_cs4236_ext_out(struct snd_wss *chip,
139  unsigned char reg, unsigned char val);
140 unsigned char snd_cs4236_ext_in(struct snd_wss *chip, unsigned char reg);
141 void snd_wss_mce_up(struct snd_wss *chip);
142 void snd_wss_mce_down(struct snd_wss *chip);
143 
144 void snd_wss_overrange(struct snd_wss *chip);
145 
147 
148 const char *snd_wss_chip_id(struct snd_wss *chip);
149 
150 int snd_wss_create(struct snd_card *card,
151  unsigned long port,
152  unsigned long cport,
153  int irq, int dma1, int dma2,
154  unsigned short hardware,
155  unsigned short hwshare,
156  struct snd_wss **rchip);
157 int snd_wss_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm);
158 int snd_wss_timer(struct snd_wss *chip, int device, struct snd_timer **rtimer);
159 int snd_wss_mixer(struct snd_wss *chip);
160 
161 const struct snd_pcm_ops *snd_wss_get_pcm_ops(int direction);
162 
163 int snd_cs4236_create(struct snd_card *card,
164  unsigned long port,
165  unsigned long cport,
166  int irq, int dma1, int dma2,
167  unsigned short hardware,
168  unsigned short hwshare,
169  struct snd_wss **rchip);
170 int snd_cs4236_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm);
171 int snd_cs4236_mixer(struct snd_wss *chip);
172 
173 /*
174  * mixer library
175  */
176 
177 #define WSS_SINGLE(xname, xindex, reg, shift, mask, invert) \
178 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
179  .name = xname, \
180  .index = xindex, \
181  .info = snd_wss_info_single, \
182  .get = snd_wss_get_single, \
183  .put = snd_wss_put_single, \
184  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
185 
186 int snd_wss_info_single(struct snd_kcontrol *kcontrol,
187  struct snd_ctl_elem_info *uinfo);
188 int snd_wss_get_single(struct snd_kcontrol *kcontrol,
189  struct snd_ctl_elem_value *ucontrol);
190 int snd_wss_put_single(struct snd_kcontrol *kcontrol,
191  struct snd_ctl_elem_value *ucontrol);
192 
193 #define WSS_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
194 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
195  .name = xname, \
196  .index = xindex, \
197  .info = snd_wss_info_double, \
198  .get = snd_wss_get_double, \
199  .put = snd_wss_put_double, \
200  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
201  (shift_right << 19) | (mask << 24) | (invert << 22) }
202 
203 #define WSS_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
204 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
205  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
206  .name = xname, \
207  .index = xindex, \
208  .info = snd_wss_info_single, \
209  .get = snd_wss_get_single, \
210  .put = snd_wss_put_single, \
211  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
212  .tlv = { .p = (xtlv) } }
213 
214 #define WSS_DOUBLE_TLV(xname, xindex, left_reg, right_reg, \
215  shift_left, shift_right, mask, invert, xtlv) \
216 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
217  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
218  .name = xname, \
219  .index = xindex, \
220  .info = snd_wss_info_double, \
221  .get = snd_wss_get_double, \
222  .put = snd_wss_put_double, \
223  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
224  (shift_right << 19) | (mask << 24) | (invert << 22), \
225  .tlv = { .p = (xtlv) } }
226 
227 
228 int snd_wss_info_double(struct snd_kcontrol *kcontrol,
229  struct snd_ctl_elem_info *uinfo);
230 int snd_wss_get_double(struct snd_kcontrol *kcontrol,
231  struct snd_ctl_elem_value *ucontrol);
232 int snd_wss_put_double(struct snd_kcontrol *kcontrol,
233  struct snd_ctl_elem_value *ucontrol);
234 
235 #endif /* __SOUND_WSS_H */