Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/include/sound/ad1848.h
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Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
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Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
File MIME type: text/plain
File size: 7580 byte(s)
Tag kernel26-2.6.12-alx-r9
1 | #ifndef __SOUND_AD1848_H |
2 | #define __SOUND_AD1848_H |
3 | |
4 | /* |
5 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> |
6 | * Definitions for AD1847/AD1848/CS4248 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 "pcm.h" |
26 | #include <linux/interrupt.h> |
27 | |
28 | /* IO ports */ |
29 | |
30 | #define AD1848P( codec, x ) ( (chip) -> port + c_d_c_AD1848##x ) |
31 | |
32 | #define c_d_c_AD1848REGSEL 0 |
33 | #define c_d_c_AD1848REG 1 |
34 | #define c_d_c_AD1848STATUS 2 |
35 | #define c_d_c_AD1848PIO 3 |
36 | |
37 | /* codec registers */ |
38 | |
39 | #define AD1848_LEFT_INPUT 0x00 /* left input control */ |
40 | #define AD1848_RIGHT_INPUT 0x01 /* right input control */ |
41 | #define AD1848_AUX1_LEFT_INPUT 0x02 /* left AUX1 input control */ |
42 | #define AD1848_AUX1_RIGHT_INPUT 0x03 /* right AUX1 input control */ |
43 | #define AD1848_AUX2_LEFT_INPUT 0x04 /* left AUX2 input control */ |
44 | #define AD1848_AUX2_RIGHT_INPUT 0x05 /* right AUX2 input control */ |
45 | #define AD1848_LEFT_OUTPUT 0x06 /* left output control register */ |
46 | #define AD1848_RIGHT_OUTPUT 0x07 /* right output control register */ |
47 | #define AD1848_DATA_FORMAT 0x08 /* clock and data format - playback/capture - bits 7-0 MCE */ |
48 | #define AD1848_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */ |
49 | #define AD1848_PIN_CTRL 0x0a /* pin control */ |
50 | #define AD1848_TEST_INIT 0x0b /* test and initialization */ |
51 | #define AD1848_MISC_INFO 0x0c /* miscellaneaous information */ |
52 | #define AD1848_LOOPBACK 0x0d /* loopback control */ |
53 | #define AD1848_DATA_UPR_CNT 0x0e /* playback/capture upper base count */ |
54 | #define AD1848_DATA_LWR_CNT 0x0f /* playback/capture lower base count */ |
55 | |
56 | /* definitions for codec register select port - CODECP( REGSEL ) */ |
57 | |
58 | #define AD1848_INIT 0x80 /* CODEC is initializing */ |
59 | #define AD1848_MCE 0x40 /* mode change enable */ |
60 | #define AD1848_TRD 0x20 /* transfer request disable */ |
61 | |
62 | /* definitions for codec status register - CODECP( STATUS ) */ |
63 | |
64 | #define AD1848_GLOBALIRQ 0x01 /* IRQ is active */ |
65 | |
66 | /* definitions for AD1848_LEFT_INPUT and AD1848_RIGHT_INPUT registers */ |
67 | |
68 | #define AD1848_ENABLE_MIC_GAIN 0x20 |
69 | |
70 | #define AD1848_MIXS_LINE1 0x00 |
71 | #define AD1848_MIXS_AUX1 0x40 |
72 | #define AD1848_MIXS_LINE2 0x80 |
73 | #define AD1848_MIXS_ALL 0xc0 |
74 | |
75 | /* definitions for clock and data format register - AD1848_PLAYBK_FORMAT */ |
76 | |
77 | #define AD1848_LINEAR_8 0x00 /* 8-bit unsigned data */ |
78 | #define AD1848_ALAW_8 0x60 /* 8-bit A-law companded */ |
79 | #define AD1848_ULAW_8 0x20 /* 8-bit U-law companded */ |
80 | #define AD1848_LINEAR_16 0x40 /* 16-bit twos complement data - little endian */ |
81 | #define AD1848_STEREO 0x10 /* stereo mode */ |
82 | /* bits 3-1 define frequency divisor */ |
83 | #define AD1848_XTAL1 0x00 /* 24.576 crystal */ |
84 | #define AD1848_XTAL2 0x01 /* 16.9344 crystal */ |
85 | |
86 | /* definitions for interface control register - AD1848_IFACE_CTRL */ |
87 | |
88 | #define AD1848_CAPTURE_PIO 0x80 /* capture PIO enable */ |
89 | #define AD1848_PLAYBACK_PIO 0x40 /* playback PIO enable */ |
90 | #define AD1848_CALIB_MODE 0x18 /* calibration mode bits */ |
91 | #define AD1848_AUTOCALIB 0x08 /* auto calibrate */ |
92 | #define AD1848_SINGLE_DMA 0x04 /* use single DMA channel */ |
93 | #define AD1848_CAPTURE_ENABLE 0x02 /* capture enable */ |
94 | #define AD1848_PLAYBACK_ENABLE 0x01 /* playback enable */ |
95 | |
96 | /* definitions for pin control register - AD1848_PIN_CTRL */ |
97 | |
98 | #define AD1848_IRQ_ENABLE 0x02 /* enable IRQ */ |
99 | #define AD1848_XCTL1 0x40 /* external control #1 */ |
100 | #define AD1848_XCTL0 0x80 /* external control #0 */ |
101 | |
102 | /* definitions for test and init register - AD1848_TEST_INIT */ |
103 | |
104 | #define AD1848_CALIB_IN_PROGRESS 0x20 /* auto calibrate in progress */ |
105 | #define AD1848_DMA_REQUEST 0x10 /* DMA request in progress */ |
106 | |
107 | /* defines for codec.mode */ |
108 | |
109 | #define AD1848_MODE_NONE 0x0000 |
110 | #define AD1848_MODE_PLAY 0x0001 |
111 | #define AD1848_MODE_CAPTURE 0x0002 |
112 | #define AD1848_MODE_TIMER 0x0004 |
113 | #define AD1848_MODE_OPEN (AD1848_MODE_PLAY|AD1848_MODE_CAPTURE|AD1848_MODE_TIMER) |
114 | #define AD1848_MODE_RUNNING 0x0010 |
115 | |
116 | /* defines for codec.hardware */ |
117 | |
118 | #define AD1848_HW_DETECT 0x0000 /* let AD1848 driver detect chip */ |
119 | #define AD1848_HW_AD1847 0x0001 /* AD1847 chip */ |
120 | #define AD1848_HW_AD1848 0x0002 /* AD1848 chip */ |
121 | #define AD1848_HW_CS4248 0x0003 /* CS4248 chip */ |
122 | #define AD1848_HW_CMI8330 0x0004 /* CMI8330 chip */ |
123 | #define AD1848_HW_THINKPAD 0x0005 /* Thinkpad 360/750/755 */ |
124 | |
125 | /* IBM Thinkpad specific stuff */ |
126 | #define AD1848_THINKPAD_CTL_PORT1 0x15e8 |
127 | #define AD1848_THINKPAD_CTL_PORT2 0x15e9 |
128 | #define AD1848_THINKPAD_CS4248_ENABLE_BIT 0x02 |
129 | |
130 | struct _snd_ad1848 { |
131 | unsigned long port; /* i/o port */ |
132 | struct resource *res_port; |
133 | int irq; /* IRQ line */ |
134 | int dma; /* data DMA */ |
135 | unsigned short version; /* version of CODEC chip */ |
136 | unsigned short mode; /* see to AD1848_MODE_XXXX */ |
137 | unsigned short hardware; /* see to AD1848_HW_XXXX */ |
138 | unsigned short single_dma:1; /* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */ |
139 | |
140 | snd_pcm_t *pcm; |
141 | snd_pcm_substream_t *playback_substream; |
142 | snd_pcm_substream_t *capture_substream; |
143 | snd_card_t *card; |
144 | |
145 | unsigned char image[32]; /* SGalaxy needs an access to extended registers */ |
146 | int mce_bit; |
147 | int calibrate_mute; |
148 | int dma_size; |
149 | int thinkpad_flag; /* Thinkpad CS4248 needs some extra help */ |
150 | |
151 | spinlock_t reg_lock; |
152 | struct semaphore open_mutex; |
153 | }; |
154 | |
155 | typedef struct _snd_ad1848 ad1848_t; |
156 | |
157 | /* exported functions */ |
158 | |
159 | void snd_ad1848_out(ad1848_t *chip, unsigned char reg, unsigned char value); |
160 | |
161 | int snd_ad1848_create(snd_card_t * card, |
162 | unsigned long port, |
163 | int irq, int dma, |
164 | unsigned short hardware, |
165 | ad1848_t ** chip); |
166 | |
167 | int snd_ad1848_pcm(ad1848_t * chip, int device, snd_pcm_t **rpcm); |
168 | const snd_pcm_ops_t *snd_ad1848_get_pcm_ops(int direction); |
169 | int snd_ad1848_mixer(ad1848_t * chip); |
170 | |
171 | /* exported mixer stuffs */ |
172 | enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE }; |
173 | |
174 | #define AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) \ |
175 | ((reg) | ((shift) << 8) | ((mask) << 16) | ((invert) << 24)) |
176 | #define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \ |
177 | ((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22)) |
178 | |
179 | int snd_ad1848_add_ctl(ad1848_t *chip, const char *name, int index, int type, unsigned long value); |
180 | |
181 | /* for ease of use */ |
182 | struct ad1848_mix_elem { |
183 | const char *name; |
184 | int index; |
185 | int type; |
186 | unsigned long private_value; |
187 | }; |
188 | |
189 | #define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \ |
190 | { .name = xname, \ |
191 | .index = xindex, \ |
192 | .type = AD1848_MIX_SINGLE, \ |
193 | .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) } |
194 | |
195 | #define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ |
196 | { .name = xname, \ |
197 | .index = xindex, \ |
198 | .type = AD1848_MIX_DOUBLE, \ |
199 | .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) } |
200 | |
201 | static inline int snd_ad1848_add_ctl_elem(ad1848_t *chip, const struct ad1848_mix_elem *c) |
202 | { |
203 | return snd_ad1848_add_ctl(chip, c->name, c->index, c->type, c->private_value); |
204 | } |
205 | |
206 | #endif /* __SOUND_AD1848_H */ |