[PATCH] Get rid of "double zeroing" of allocated pages
[linux-2.6/verdex.git] / include / sound / sb.h
blob2dd5c8e5b4feabc027a48dfed2320421c26d4c26
1 #ifndef __SOUND_SB_H
2 #define __SOUND_SB_H
4 /*
5 * Header file for SoundBlaster cards
6 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
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.
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.
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
25 #include "pcm.h"
26 #include "rawmidi.h"
27 #include <linux/interrupt.h>
28 #include <asm/io.h>
30 enum sb_hw_type {
31 SB_HW_AUTO,
32 SB_HW_10,
33 SB_HW_20,
34 SB_HW_201,
35 SB_HW_PRO,
36 SB_HW_16,
37 SB_HW_16CSP, /* SB16 with CSP chip */
38 SB_HW_ALS100, /* Avance Logic ALS100 chip */
39 SB_HW_ALS4000, /* Avance Logic ALS4000 chip */
40 SB_HW_DT019X, /* Diamond Tech. DT-019X / Avance Logic ALS-007 */
43 #define SB_OPEN_PCM 0x01
44 #define SB_OPEN_MIDI_INPUT 0x02
45 #define SB_OPEN_MIDI_OUTPUT 0x04
46 #define SB_OPEN_MIDI_INPUT_TRIGGER 0x08
47 #define SB_OPEN_MIDI_OUTPUT_TRIGGER 0x10
49 #define SB_MODE_HALT 0x00
50 #define SB_MODE_PLAYBACK_8 0x01
51 #define SB_MODE_PLAYBACK_16 0x02
52 #define SB_MODE_PLAYBACK (SB_MODE_PLAYBACK_8 | SB_MODE_PLAYBACK_16)
53 #define SB_MODE_CAPTURE_8 0x04
54 #define SB_MODE_CAPTURE_16 0x08
55 #define SB_MODE_CAPTURE (SB_MODE_CAPTURE_8 | SB_MODE_CAPTURE_16)
57 #define SB_RATE_LOCK_PLAYBACK 0x10
58 #define SB_RATE_LOCK_CAPTURE 0x20
59 #define SB_RATE_LOCK (SB_RATE_LOCK_PLAYBACK | SB_RATE_LOCK_CAPTURE)
61 #define SB_MPU_INPUT 1
63 struct snd_sb {
64 unsigned long port; /* base port of DSP chip */
65 struct resource *res_port;
66 unsigned long mpu_port; /* MPU port for SB DSP 4.0+ */
67 int irq; /* IRQ number of DSP chip */
68 int dma8; /* 8-bit DMA */
69 int dma16; /* 16-bit DMA */
70 unsigned short version; /* version of DSP chip */
71 enum sb_hw_type hardware; /* see to SB_HW_XXXX */
73 unsigned long alt_port; /* alternate port (ALS4000) */
74 struct pci_dev *pci; /* ALS4000 */
76 unsigned int open; /* see to SB_OPEN_XXXX for sb8 */
77 /* also SNDRV_SB_CSP_MODE_XXX for sb16_csp */
78 unsigned int mode; /* current mode of stream */
79 unsigned int force_mode16; /* force 16-bit mode of streams */
80 unsigned int locked_rate; /* sb16 duplex */
81 unsigned int playback_format;
82 unsigned int capture_format;
83 struct timer_list midi_timer;
84 unsigned int p_dma_size;
85 unsigned int p_period_size;
86 unsigned int c_dma_size;
87 unsigned int c_period_size;
89 spinlock_t mixer_lock;
91 char name[32];
93 void *csp; /* used only when CONFIG_SND_SB16_CSP is set */
95 struct snd_card *card;
96 struct snd_pcm *pcm;
97 struct snd_pcm_substream *playback_substream;
98 struct snd_pcm_substream *capture_substream;
100 struct snd_rawmidi *rmidi;
101 struct snd_rawmidi_substream *midi_substream_input;
102 struct snd_rawmidi_substream *midi_substream_output;
103 irq_handler_t rmidi_callback;
105 spinlock_t reg_lock;
106 spinlock_t open_lock;
107 spinlock_t midi_input_lock;
109 struct snd_info_entry *proc_entry;
111 #ifdef CONFIG_PM
112 unsigned char saved_regs[0x20];
113 #endif
116 /* I/O ports */
118 #define SBP(chip, x) ((chip)->port + s_b_SB_##x)
119 #define SBP1(port, x) ((port) + s_b_SB_##x)
121 #define s_b_SB_RESET 0x6
122 #define s_b_SB_READ 0xa
123 #define s_b_SB_WRITE 0xc
124 #define s_b_SB_COMMAND 0xc
125 #define s_b_SB_STATUS 0xc
126 #define s_b_SB_DATA_AVAIL 0xe
127 #define s_b_SB_DATA_AVAIL_16 0xf
128 #define s_b_SB_MIXER_ADDR 0x4
129 #define s_b_SB_MIXER_DATA 0x5
130 #define s_b_SB_OPL3_LEFT 0x0
131 #define s_b_SB_OPL3_RIGHT 0x2
132 #define s_b_SB_OPL3_BOTH 0x8
134 #define SB_DSP_OUTPUT 0x14
135 #define SB_DSP_INPUT 0x24
136 #define SB_DSP_BLOCK_SIZE 0x48
137 #define SB_DSP_HI_OUTPUT 0x91
138 #define SB_DSP_HI_INPUT 0x99
139 #define SB_DSP_LO_OUTPUT_AUTO 0x1c
140 #define SB_DSP_LO_INPUT_AUTO 0x2c
141 #define SB_DSP_HI_OUTPUT_AUTO 0x90
142 #define SB_DSP_HI_INPUT_AUTO 0x98
143 #define SB_DSP_IMMED_INT 0xf2
144 #define SB_DSP_GET_VERSION 0xe1
145 #define SB_DSP_SPEAKER_ON 0xd1
146 #define SB_DSP_SPEAKER_OFF 0xd3
147 #define SB_DSP_DMA8_OFF 0xd0
148 #define SB_DSP_DMA8_ON 0xd4
149 #define SB_DSP_DMA8_EXIT 0xda
150 #define SB_DSP_DMA16_OFF 0xd5
151 #define SB_DSP_DMA16_ON 0xd6
152 #define SB_DSP_DMA16_EXIT 0xd9
153 #define SB_DSP_SAMPLE_RATE 0x40
154 #define SB_DSP_SAMPLE_RATE_OUT 0x41
155 #define SB_DSP_SAMPLE_RATE_IN 0x42
156 #define SB_DSP_MONO_8BIT 0xa0
157 #define SB_DSP_MONO_16BIT 0xa4
158 #define SB_DSP_STEREO_8BIT 0xa8
159 #define SB_DSP_STEREO_16BIT 0xac
161 #define SB_DSP_MIDI_INPUT_IRQ 0x31
162 #define SB_DSP_MIDI_UART_IRQ 0x35
163 #define SB_DSP_MIDI_OUTPUT 0x38
165 #define SB_DSP4_OUT8_AI 0xc6
166 #define SB_DSP4_IN8_AI 0xce
167 #define SB_DSP4_OUT16_AI 0xb6
168 #define SB_DSP4_IN16_AI 0xbe
169 #define SB_DSP4_MODE_UNS_MONO 0x00
170 #define SB_DSP4_MODE_SIGN_MONO 0x10
171 #define SB_DSP4_MODE_UNS_STEREO 0x20
172 #define SB_DSP4_MODE_SIGN_STEREO 0x30
174 #define SB_DSP4_OUTPUT 0x3c
175 #define SB_DSP4_INPUT_LEFT 0x3d
176 #define SB_DSP4_INPUT_RIGHT 0x3e
178 /* registers for SB 2.0 mixer */
179 #define SB_DSP20_MASTER_DEV 0x02
180 #define SB_DSP20_PCM_DEV 0x0A
181 #define SB_DSP20_CD_DEV 0x08
182 #define SB_DSP20_FM_DEV 0x06
184 /* registers for SB PRO mixer */
185 #define SB_DSP_MASTER_DEV 0x22
186 #define SB_DSP_PCM_DEV 0x04
187 #define SB_DSP_LINE_DEV 0x2e
188 #define SB_DSP_CD_DEV 0x28
189 #define SB_DSP_FM_DEV 0x26
190 #define SB_DSP_MIC_DEV 0x0a
191 #define SB_DSP_CAPTURE_SOURCE 0x0c
192 #define SB_DSP_CAPTURE_FILT 0x0c
193 #define SB_DSP_PLAYBACK_FILT 0x0e
194 #define SB_DSP_STEREO_SW 0x0e
196 #define SB_DSP_MIXS_MIC0 0x00 /* same as MIC */
197 #define SB_DSP_MIXS_CD 0x01
198 #define SB_DSP_MIXS_MIC 0x02
199 #define SB_DSP_MIXS_LINE 0x03
201 /* registers (only for left channel) for SB 16 mixer */
202 #define SB_DSP4_MASTER_DEV 0x30
203 #define SB_DSP4_BASS_DEV 0x46
204 #define SB_DSP4_TREBLE_DEV 0x44
205 #define SB_DSP4_SYNTH_DEV 0x34
206 #define SB_DSP4_PCM_DEV 0x32
207 #define SB_DSP4_SPEAKER_DEV 0x3b
208 #define SB_DSP4_LINE_DEV 0x38
209 #define SB_DSP4_MIC_DEV 0x3a
210 #define SB_DSP4_OUTPUT_SW 0x3c
211 #define SB_DSP4_CD_DEV 0x36
212 #define SB_DSP4_IGAIN_DEV 0x3f
213 #define SB_DSP4_OGAIN_DEV 0x41
214 #define SB_DSP4_MIC_AGC 0x43
216 /* additional registers for SB 16 mixer */
217 #define SB_DSP4_IRQSETUP 0x80
218 #define SB_DSP4_DMASETUP 0x81
219 #define SB_DSP4_IRQSTATUS 0x82
220 #define SB_DSP4_MPUSETUP 0x84
222 #define SB_DSP4_3DSE 0x90
224 /* Registers for DT-019x / ALS-007 mixer */
225 #define SB_DT019X_MASTER_DEV 0x62
226 #define SB_DT019X_PCM_DEV 0x64
227 #define SB_DT019X_SYNTH_DEV 0x66
228 #define SB_DT019X_CD_DEV 0x68
229 #define SB_DT019X_MIC_DEV 0x6a
230 #define SB_DT019X_SPKR_DEV 0x6a
231 #define SB_DT019X_LINE_DEV 0x6e
232 #define SB_DT019X_OUTPUT_SW2 0x4c
233 #define SB_DT019X_CAPTURE_SW 0x6c
235 #define SB_DT019X_CAP_CD 0x02
236 #define SB_DT019X_CAP_MIC 0x04
237 #define SB_DT019X_CAP_LINE 0x06
238 #define SB_DT019X_CAP_SYNTH 0x07
239 #define SB_DT019X_CAP_MAIN 0x07
241 #define SB_ALS4000_MONO_IO_CTRL 0x4b
242 #define SB_ALS4000_MIC_IN_GAIN 0x4d
243 #define SB_ALS4000_FMDAC 0x4f
244 #define SB_ALS4000_3D_SND_FX 0x50
245 #define SB_ALS4000_3D_TIME_DELAY 0x51
246 #define SB_ALS4000_3D_AUTO_MUTE 0x52
247 #define SB_ALS4000_QSOUND 0xdb
249 /* IRQ setting bitmap */
250 #define SB_IRQSETUP_IRQ9 0x01
251 #define SB_IRQSETUP_IRQ5 0x02
252 #define SB_IRQSETUP_IRQ7 0x04
253 #define SB_IRQSETUP_IRQ10 0x08
255 /* IRQ types */
256 #define SB_IRQTYPE_8BIT 0x01
257 #define SB_IRQTYPE_16BIT 0x02
258 #define SB_IRQTYPE_MPUIN 0x04
260 /* DMA setting bitmap */
261 #define SB_DMASETUP_DMA0 0x01
262 #define SB_DMASETUP_DMA1 0x02
263 #define SB_DMASETUP_DMA3 0x08
264 #define SB_DMASETUP_DMA5 0x20
265 #define SB_DMASETUP_DMA6 0x40
266 #define SB_DMASETUP_DMA7 0x80
272 static inline void snd_sb_ack_8bit(struct snd_sb *chip)
274 inb(SBP(chip, DATA_AVAIL));
277 static inline void snd_sb_ack_16bit(struct snd_sb *chip)
279 inb(SBP(chip, DATA_AVAIL_16));
282 /* sb_common.c */
283 int snd_sbdsp_command(struct snd_sb *chip, unsigned char val);
284 int snd_sbdsp_get_byte(struct snd_sb *chip);
285 int snd_sbdsp_reset(struct snd_sb *chip);
286 int snd_sbdsp_create(struct snd_card *card,
287 unsigned long port,
288 int irq,
289 irq_handler_t irq_handler,
290 int dma8, int dma16,
291 unsigned short hardware,
292 struct snd_sb **r_chip);
293 /* sb_mixer.c */
294 void snd_sbmixer_write(struct snd_sb *chip, unsigned char reg, unsigned char data);
295 unsigned char snd_sbmixer_read(struct snd_sb *chip, unsigned char reg);
296 int snd_sbmixer_new(struct snd_sb *chip);
297 #ifdef CONFIG_PM
298 void snd_sbmixer_suspend(struct snd_sb *chip);
299 void snd_sbmixer_resume(struct snd_sb *chip);
300 #endif
302 /* sb8_init.c */
303 int snd_sb8dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm);
304 /* sb8.c */
305 irqreturn_t snd_sb8dsp_interrupt(struct snd_sb *chip);
306 int snd_sb8_playback_open(struct snd_pcm_substream *substream);
307 int snd_sb8_capture_open(struct snd_pcm_substream *substream);
308 int snd_sb8_playback_close(struct snd_pcm_substream *substream);
309 int snd_sb8_capture_close(struct snd_pcm_substream *substream);
310 /* midi8.c */
311 irqreturn_t snd_sb8dsp_midi_interrupt(struct snd_sb *chip);
312 int snd_sb8dsp_midi(struct snd_sb *chip, int device, struct snd_rawmidi ** rrawmidi);
314 /* sb16_init.c */
315 int snd_sb16dsp_pcm(struct snd_sb *chip, int device, struct snd_pcm ** rpcm);
316 const struct snd_pcm_ops *snd_sb16dsp_get_pcm_ops(int direction);
317 int snd_sb16dsp_configure(struct snd_sb *chip);
318 /* sb16.c */
319 irqreturn_t snd_sb16dsp_interrupt(int irq, void *dev_id);
321 /* exported mixer stuffs */
322 enum {
323 SB_MIX_SINGLE,
324 SB_MIX_DOUBLE,
325 SB_MIX_INPUT_SW,
326 SB_MIX_CAPTURE_PRO,
327 SB_MIX_CAPTURE_DT019X
330 #define SB_MIXVAL_DOUBLE(left_reg, right_reg, left_shift, right_shift, mask) \
331 ((left_reg) | ((right_reg) << 8) | ((left_shift) << 16) | ((right_shift) << 19) | ((mask) << 24))
332 #define SB_MIXVAL_SINGLE(reg, shift, mask) \
333 ((reg) | ((shift) << 16) | ((mask) << 24))
334 #define SB_MIXVAL_INPUT_SW(reg1, reg2, left_shift, right_shift) \
335 ((reg1) | ((reg2) << 8) | ((left_shift) << 16) | ((right_shift) << 24))
337 int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int type, unsigned long value);
339 /* for ease of use */
340 struct sbmix_elem {
341 const char *name;
342 int type;
343 unsigned long private_value;
346 #define SB_SINGLE(xname, reg, shift, mask) \
347 { .name = xname, \
348 .type = SB_MIX_SINGLE, \
349 .private_value = SB_MIXVAL_SINGLE(reg, shift, mask) }
351 #define SB_DOUBLE(xname, left_reg, right_reg, left_shift, right_shift, mask) \
352 { .name = xname, \
353 .type = SB_MIX_DOUBLE, \
354 .private_value = SB_MIXVAL_DOUBLE(left_reg, right_reg, left_shift, right_shift, mask) }
356 #define SB16_INPUT_SW(xname, reg1, reg2, left_shift, right_shift) \
357 { .name = xname, \
358 .type = SB_MIX_INPUT_SW, \
359 .private_value = SB_MIXVAL_INPUT_SW(reg1, reg2, left_shift, right_shift) }
361 static inline int snd_sbmixer_add_ctl_elem(struct snd_sb *chip, const struct sbmix_elem *c)
363 return snd_sbmixer_add_ctl(chip, c->name, 0, c->type, c->private_value);
366 #endif /* __SOUND_SB_H */