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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si> | |
3 | * Takashi Iwai <tiwai@suse.de> | |
4 | * | |
5 | * SB16ASP/AWE32 CSP control | |
6 | * | |
7 | * CSP microcode loader: | |
8 | * alsa-tools/sb16_csp/ | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | * | |
24 | */ | |
25 | ||
1da177e4 LT |
26 | #include <linux/delay.h> |
27 | #include <linux/init.h> | |
28 | #include <linux/slab.h> | |
da155d5b | 29 | #include <linux/module.h> |
1da177e4 LT |
30 | #include <sound/core.h> |
31 | #include <sound/control.h> | |
32 | #include <sound/info.h> | |
33 | #include <sound/sb16_csp.h> | |
34 | #include <sound/initval.h> | |
35 | ||
36 | MODULE_AUTHOR("Uros Bizjak <uros@kss-loka.si>"); | |
37 | MODULE_DESCRIPTION("ALSA driver for SB16 Creative Signal Processor"); | |
38 | MODULE_LICENSE("GPL"); | |
7e0af29d CL |
39 | MODULE_FIRMWARE("sb16/mulaw_main.csp"); |
40 | MODULE_FIRMWARE("sb16/alaw_main.csp"); | |
41 | MODULE_FIRMWARE("sb16/ima_adpcm_init.csp"); | |
42 | MODULE_FIRMWARE("sb16/ima_adpcm_playback.csp"); | |
43 | MODULE_FIRMWARE("sb16/ima_adpcm_capture.csp"); | |
1da177e4 LT |
44 | |
45 | #ifdef SNDRV_LITTLE_ENDIAN | |
46 | #define CSP_HDR_VALUE(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24)) | |
47 | #else | |
48 | #define CSP_HDR_VALUE(a,b,c,d) ((d) | ((c)<<8) | ((b)<<16) | ((a)<<24)) | |
49 | #endif | |
1da177e4 LT |
50 | |
51 | #define RIFF_HEADER CSP_HDR_VALUE('R', 'I', 'F', 'F') | |
52 | #define CSP__HEADER CSP_HDR_VALUE('C', 'S', 'P', ' ') | |
53 | #define LIST_HEADER CSP_HDR_VALUE('L', 'I', 'S', 'T') | |
54 | #define FUNC_HEADER CSP_HDR_VALUE('f', 'u', 'n', 'c') | |
55 | #define CODE_HEADER CSP_HDR_VALUE('c', 'o', 'd', 'e') | |
56 | #define INIT_HEADER CSP_HDR_VALUE('i', 'n', 'i', 't') | |
57 | #define MAIN_HEADER CSP_HDR_VALUE('m', 'a', 'i', 'n') | |
58 | ||
59 | /* | |
60 | * RIFF data format | |
61 | */ | |
dfc866e5 | 62 | struct riff_header { |
1da177e4 LT |
63 | __u32 name; |
64 | __u32 len; | |
dfc866e5 | 65 | }; |
1da177e4 | 66 | |
dfc866e5 AD |
67 | struct desc_header { |
68 | struct riff_header info; | |
1da177e4 LT |
69 | __u16 func_nr; |
70 | __u16 VOC_type; | |
71 | __u16 flags_play_rec; | |
72 | __u16 flags_16bit_8bit; | |
73 | __u16 flags_stereo_mono; | |
74 | __u16 flags_rates; | |
dfc866e5 | 75 | }; |
1da177e4 LT |
76 | |
77 | /* | |
78 | * prototypes | |
79 | */ | |
029d64b0 TI |
80 | static void snd_sb_csp_free(struct snd_hwdep *hw); |
81 | static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file); | |
82 | static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg); | |
83 | static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file); | |
84 | ||
85 | static int csp_detect(struct snd_sb *chip, int *version); | |
86 | static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val); | |
87 | static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val); | |
88 | static int read_register(struct snd_sb *chip, unsigned char reg); | |
89 | static int set_mode_register(struct snd_sb *chip, unsigned char mode); | |
90 | static int get_version(struct snd_sb *chip); | |
91 | ||
92 | static int snd_sb_csp_riff_load(struct snd_sb_csp * p, | |
93 | struct snd_sb_csp_microcode __user * code); | |
94 | static int snd_sb_csp_unload(struct snd_sb_csp * p); | |
95 | static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags); | |
96 | static int snd_sb_csp_autoload(struct snd_sb_csp * p, int pcm_sfmt, int play_rec_mode); | |
97 | static int snd_sb_csp_check_version(struct snd_sb_csp * p); | |
98 | ||
99 | static int snd_sb_csp_use(struct snd_sb_csp * p); | |
100 | static int snd_sb_csp_unuse(struct snd_sb_csp * p); | |
101 | static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels); | |
102 | static int snd_sb_csp_stop(struct snd_sb_csp * p); | |
103 | static int snd_sb_csp_pause(struct snd_sb_csp * p); | |
104 | static int snd_sb_csp_restart(struct snd_sb_csp * p); | |
105 | ||
106 | static int snd_sb_qsound_build(struct snd_sb_csp * p); | |
107 | static void snd_sb_qsound_destroy(struct snd_sb_csp * p); | |
108 | static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p); | |
109 | ||
110 | static int init_proc_entry(struct snd_sb_csp * p, int device); | |
111 | static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer); | |
1da177e4 LT |
112 | |
113 | /* | |
114 | * Detect CSP chip and create a new instance | |
115 | */ | |
029d64b0 | 116 | int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep) |
1da177e4 | 117 | { |
029d64b0 | 118 | struct snd_sb_csp *p; |
cd0b4ac8 TI |
119 | int uninitialized_var(version); |
120 | int err; | |
029d64b0 | 121 | struct snd_hwdep *hw; |
1da177e4 LT |
122 | |
123 | if (rhwdep) | |
124 | *rhwdep = NULL; | |
125 | ||
126 | if (csp_detect(chip, &version)) | |
127 | return -ENODEV; | |
128 | ||
129 | if ((err = snd_hwdep_new(chip->card, "SB16-CSP", device, &hw)) < 0) | |
130 | return err; | |
131 | ||
9e76a76e | 132 | if ((p = kzalloc(sizeof(*p), GFP_KERNEL)) == NULL) { |
1da177e4 LT |
133 | snd_device_free(chip->card, hw); |
134 | return -ENOMEM; | |
135 | } | |
136 | p->chip = chip; | |
137 | p->version = version; | |
138 | ||
139 | /* CSP operators */ | |
140 | p->ops.csp_use = snd_sb_csp_use; | |
141 | p->ops.csp_unuse = snd_sb_csp_unuse; | |
142 | p->ops.csp_autoload = snd_sb_csp_autoload; | |
143 | p->ops.csp_start = snd_sb_csp_start; | |
144 | p->ops.csp_stop = snd_sb_csp_stop; | |
145 | p->ops.csp_qsound_transfer = snd_sb_csp_qsound_transfer; | |
146 | ||
8b7547f9 | 147 | mutex_init(&p->access_mutex); |
1da177e4 LT |
148 | sprintf(hw->name, "CSP v%d.%d", (version >> 4), (version & 0x0f)); |
149 | hw->iface = SNDRV_HWDEP_IFACE_SB16CSP; | |
150 | hw->private_data = p; | |
151 | hw->private_free = snd_sb_csp_free; | |
152 | ||
153 | /* operators - only write/ioctl */ | |
154 | hw->ops.open = snd_sb_csp_open; | |
155 | hw->ops.ioctl = snd_sb_csp_ioctl; | |
156 | hw->ops.release = snd_sb_csp_release; | |
157 | ||
158 | /* create a proc entry */ | |
159 | init_proc_entry(p, device); | |
160 | if (rhwdep) | |
161 | *rhwdep = hw; | |
162 | return 0; | |
163 | } | |
164 | ||
165 | /* | |
166 | * free_private for hwdep instance | |
167 | */ | |
029d64b0 | 168 | static void snd_sb_csp_free(struct snd_hwdep *hwdep) |
1da177e4 | 169 | { |
de66d53e | 170 | int i; |
029d64b0 | 171 | struct snd_sb_csp *p = hwdep->private_data; |
1da177e4 LT |
172 | if (p) { |
173 | if (p->running & SNDRV_SB_CSP_ST_RUNNING) | |
174 | snd_sb_csp_stop(p); | |
de66d53e CL |
175 | for (i = 0; i < ARRAY_SIZE(p->csp_programs); ++i) |
176 | release_firmware(p->csp_programs[i]); | |
1da177e4 LT |
177 | kfree(p); |
178 | } | |
179 | } | |
180 | ||
181 | /* ------------------------------ */ | |
182 | ||
183 | /* | |
184 | * open the device exclusively | |
185 | */ | |
029d64b0 | 186 | static int snd_sb_csp_open(struct snd_hwdep * hw, struct file *file) |
1da177e4 | 187 | { |
029d64b0 | 188 | struct snd_sb_csp *p = hw->private_data; |
1da177e4 LT |
189 | return (snd_sb_csp_use(p)); |
190 | } | |
191 | ||
192 | /* | |
193 | * ioctl for hwdep device: | |
194 | */ | |
029d64b0 | 195 | static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned int cmd, unsigned long arg) |
1da177e4 | 196 | { |
029d64b0 TI |
197 | struct snd_sb_csp *p = hw->private_data; |
198 | struct snd_sb_csp_info info; | |
199 | struct snd_sb_csp_start start_info; | |
1da177e4 LT |
200 | int err; |
201 | ||
622207dc TI |
202 | if (snd_BUG_ON(!p)) |
203 | return -EINVAL; | |
1da177e4 LT |
204 | |
205 | if (snd_sb_csp_check_version(p)) | |
206 | return -ENODEV; | |
207 | ||
208 | switch (cmd) { | |
209 | /* get information */ | |
210 | case SNDRV_SB_CSP_IOCTL_INFO: | |
bffbbc0a | 211 | memset(&info, 0, sizeof(info)); |
1da177e4 LT |
212 | *info.codec_name = *p->codec_name; |
213 | info.func_nr = p->func_nr; | |
214 | info.acc_format = p->acc_format; | |
215 | info.acc_channels = p->acc_channels; | |
216 | info.acc_width = p->acc_width; | |
217 | info.acc_rates = p->acc_rates; | |
218 | info.csp_mode = p->mode; | |
219 | info.run_channels = p->run_channels; | |
220 | info.run_width = p->run_width; | |
221 | info.version = p->version; | |
222 | info.state = p->running; | |
223 | if (copy_to_user((void __user *)arg, &info, sizeof(info))) | |
224 | err = -EFAULT; | |
225 | else | |
226 | err = 0; | |
227 | break; | |
228 | ||
229 | /* load CSP microcode */ | |
230 | case SNDRV_SB_CSP_IOCTL_LOAD_CODE: | |
231 | err = (p->running & SNDRV_SB_CSP_ST_RUNNING ? | |
029d64b0 | 232 | -EBUSY : snd_sb_csp_riff_load(p, (struct snd_sb_csp_microcode __user *) arg)); |
1da177e4 LT |
233 | break; |
234 | case SNDRV_SB_CSP_IOCTL_UNLOAD_CODE: | |
235 | err = (p->running & SNDRV_SB_CSP_ST_RUNNING ? | |
236 | -EBUSY : snd_sb_csp_unload(p)); | |
237 | break; | |
238 | ||
239 | /* change CSP running state */ | |
240 | case SNDRV_SB_CSP_IOCTL_START: | |
241 | if (copy_from_user(&start_info, (void __user *) arg, sizeof(start_info))) | |
242 | err = -EFAULT; | |
243 | else | |
244 | err = snd_sb_csp_start(p, start_info.sample_width, start_info.channels); | |
245 | break; | |
246 | case SNDRV_SB_CSP_IOCTL_STOP: | |
247 | err = snd_sb_csp_stop(p); | |
248 | break; | |
249 | case SNDRV_SB_CSP_IOCTL_PAUSE: | |
250 | err = snd_sb_csp_pause(p); | |
251 | break; | |
252 | case SNDRV_SB_CSP_IOCTL_RESTART: | |
253 | err = snd_sb_csp_restart(p); | |
254 | break; | |
255 | default: | |
256 | err = -ENOTTY; | |
257 | break; | |
258 | } | |
259 | ||
260 | return err; | |
261 | } | |
262 | ||
263 | /* | |
264 | * close the device | |
265 | */ | |
029d64b0 | 266 | static int snd_sb_csp_release(struct snd_hwdep * hw, struct file *file) |
1da177e4 | 267 | { |
029d64b0 | 268 | struct snd_sb_csp *p = hw->private_data; |
1da177e4 LT |
269 | return (snd_sb_csp_unuse(p)); |
270 | } | |
271 | ||
272 | /* ------------------------------ */ | |
273 | ||
274 | /* | |
275 | * acquire device | |
276 | */ | |
029d64b0 | 277 | static int snd_sb_csp_use(struct snd_sb_csp * p) |
1da177e4 | 278 | { |
8b7547f9 | 279 | mutex_lock(&p->access_mutex); |
1da177e4 | 280 | if (p->used) { |
8b7547f9 | 281 | mutex_unlock(&p->access_mutex); |
1da177e4 LT |
282 | return -EAGAIN; |
283 | } | |
284 | p->used++; | |
8b7547f9 | 285 | mutex_unlock(&p->access_mutex); |
1da177e4 LT |
286 | |
287 | return 0; | |
288 | ||
289 | } | |
290 | ||
291 | /* | |
292 | * release device | |
293 | */ | |
029d64b0 | 294 | static int snd_sb_csp_unuse(struct snd_sb_csp * p) |
1da177e4 | 295 | { |
8b7547f9 | 296 | mutex_lock(&p->access_mutex); |
1da177e4 | 297 | p->used--; |
8b7547f9 | 298 | mutex_unlock(&p->access_mutex); |
1da177e4 LT |
299 | |
300 | return 0; | |
301 | } | |
302 | ||
303 | /* | |
304 | * load microcode via ioctl: | |
305 | * code is user-space pointer | |
306 | */ | |
029d64b0 TI |
307 | static int snd_sb_csp_riff_load(struct snd_sb_csp * p, |
308 | struct snd_sb_csp_microcode __user * mcode) | |
1da177e4 | 309 | { |
029d64b0 | 310 | struct snd_sb_csp_mc_header info; |
1da177e4 LT |
311 | |
312 | unsigned char __user *data_ptr; | |
313 | unsigned char __user *data_end; | |
314 | unsigned short func_nr = 0; | |
315 | ||
dfc866e5 | 316 | struct riff_header file_h, item_h, code_h; |
1da177e4 | 317 | __u32 item_type; |
dfc866e5 | 318 | struct desc_header funcdesc_h; |
1da177e4 LT |
319 | |
320 | unsigned long flags; | |
321 | int err; | |
322 | ||
323 | if (copy_from_user(&info, mcode, sizeof(info))) | |
324 | return -EFAULT; | |
325 | data_ptr = mcode->data; | |
326 | ||
327 | if (copy_from_user(&file_h, data_ptr, sizeof(file_h))) | |
328 | return -EFAULT; | |
329 | if ((file_h.name != RIFF_HEADER) || | |
31bbf8f5 | 330 | (le32_to_cpu(file_h.len) >= SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE - sizeof(file_h))) { |
9bf8e7dd | 331 | snd_printd("%s: Invalid RIFF header\n", __func__); |
1da177e4 LT |
332 | return -EINVAL; |
333 | } | |
334 | data_ptr += sizeof(file_h); | |
31bbf8f5 | 335 | data_end = data_ptr + le32_to_cpu(file_h.len); |
1da177e4 LT |
336 | |
337 | if (copy_from_user(&item_type, data_ptr, sizeof(item_type))) | |
338 | return -EFAULT; | |
339 | if (item_type != CSP__HEADER) { | |
9bf8e7dd | 340 | snd_printd("%s: Invalid RIFF file type\n", __func__); |
1da177e4 LT |
341 | return -EINVAL; |
342 | } | |
343 | data_ptr += sizeof (item_type); | |
344 | ||
31bbf8f5 | 345 | for (; data_ptr < data_end; data_ptr += le32_to_cpu(item_h.len)) { |
1da177e4 LT |
346 | if (copy_from_user(&item_h, data_ptr, sizeof(item_h))) |
347 | return -EFAULT; | |
348 | data_ptr += sizeof(item_h); | |
349 | if (item_h.name != LIST_HEADER) | |
350 | continue; | |
351 | ||
352 | if (copy_from_user(&item_type, data_ptr, sizeof(item_type))) | |
353 | return -EFAULT; | |
354 | switch (item_type) { | |
355 | case FUNC_HEADER: | |
356 | if (copy_from_user(&funcdesc_h, data_ptr + sizeof(item_type), sizeof(funcdesc_h))) | |
357 | return -EFAULT; | |
31bbf8f5 | 358 | func_nr = le16_to_cpu(funcdesc_h.func_nr); |
1da177e4 LT |
359 | break; |
360 | case CODE_HEADER: | |
361 | if (func_nr != info.func_req) | |
362 | break; /* not required function, try next */ | |
363 | data_ptr += sizeof(item_type); | |
364 | ||
365 | /* destroy QSound mixer element */ | |
366 | if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { | |
367 | snd_sb_qsound_destroy(p); | |
368 | } | |
369 | /* Clear all flags */ | |
370 | p->running = 0; | |
371 | p->mode = 0; | |
372 | ||
373 | /* load microcode blocks */ | |
374 | for (;;) { | |
375 | if (data_ptr >= data_end) | |
376 | return -EINVAL; | |
377 | if (copy_from_user(&code_h, data_ptr, sizeof(code_h))) | |
378 | return -EFAULT; | |
379 | ||
380 | /* init microcode blocks */ | |
381 | if (code_h.name != INIT_HEADER) | |
382 | break; | |
383 | data_ptr += sizeof(code_h); | |
31bbf8f5 | 384 | err = snd_sb_csp_load_user(p, data_ptr, le32_to_cpu(code_h.len), |
1da177e4 LT |
385 | SNDRV_SB_CSP_LOAD_INITBLOCK); |
386 | if (err) | |
387 | return err; | |
31bbf8f5 | 388 | data_ptr += le32_to_cpu(code_h.len); |
1da177e4 LT |
389 | } |
390 | /* main microcode block */ | |
391 | if (copy_from_user(&code_h, data_ptr, sizeof(code_h))) | |
392 | return -EFAULT; | |
393 | ||
394 | if (code_h.name != MAIN_HEADER) { | |
9bf8e7dd | 395 | snd_printd("%s: Missing 'main' microcode\n", __func__); |
1da177e4 LT |
396 | return -EINVAL; |
397 | } | |
398 | data_ptr += sizeof(code_h); | |
399 | err = snd_sb_csp_load_user(p, data_ptr, | |
31bbf8f5 | 400 | le32_to_cpu(code_h.len), 0); |
1da177e4 LT |
401 | if (err) |
402 | return err; | |
403 | ||
404 | /* fill in codec header */ | |
405 | strlcpy(p->codec_name, info.codec_name, sizeof(p->codec_name)); | |
406 | p->func_nr = func_nr; | |
31bbf8f5 AD |
407 | p->mode = le16_to_cpu(funcdesc_h.flags_play_rec); |
408 | switch (le16_to_cpu(funcdesc_h.VOC_type)) { | |
1da177e4 | 409 | case 0x0001: /* QSound decoder */ |
31bbf8f5 | 410 | if (le16_to_cpu(funcdesc_h.flags_play_rec) == SNDRV_SB_CSP_MODE_DSP_WRITE) { |
1da177e4 LT |
411 | if (snd_sb_qsound_build(p) == 0) |
412 | /* set QSound flag and clear all other mode flags */ | |
413 | p->mode = SNDRV_SB_CSP_MODE_QSOUND; | |
414 | } | |
415 | p->acc_format = 0; | |
416 | break; | |
417 | case 0x0006: /* A Law codec */ | |
418 | p->acc_format = SNDRV_PCM_FMTBIT_A_LAW; | |
419 | break; | |
420 | case 0x0007: /* Mu Law codec */ | |
421 | p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW; | |
422 | break; | |
423 | case 0x0011: /* what Creative thinks is IMA ADPCM codec */ | |
424 | case 0x0200: /* Creative ADPCM codec */ | |
425 | p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM; | |
426 | break; | |
427 | case 201: /* Text 2 Speech decoder */ | |
428 | /* TODO: Text2Speech handling routines */ | |
429 | p->acc_format = 0; | |
430 | break; | |
431 | case 0x0202: /* Fast Speech 8 codec */ | |
432 | case 0x0203: /* Fast Speech 10 codec */ | |
433 | p->acc_format = SNDRV_PCM_FMTBIT_SPECIAL; | |
434 | break; | |
435 | default: /* other codecs are unsupported */ | |
436 | p->acc_format = p->acc_width = p->acc_rates = 0; | |
437 | p->mode = 0; | |
438 | snd_printd("%s: Unsupported CSP codec type: 0x%04x\n", | |
9bf8e7dd | 439 | __func__, |
31bbf8f5 | 440 | le16_to_cpu(funcdesc_h.VOC_type)); |
1da177e4 LT |
441 | return -EINVAL; |
442 | } | |
31bbf8f5 AD |
443 | p->acc_channels = le16_to_cpu(funcdesc_h.flags_stereo_mono); |
444 | p->acc_width = le16_to_cpu(funcdesc_h.flags_16bit_8bit); | |
445 | p->acc_rates = le16_to_cpu(funcdesc_h.flags_rates); | |
1da177e4 LT |
446 | |
447 | /* Decouple CSP from IRQ and DMAREQ lines */ | |
448 | spin_lock_irqsave(&p->chip->reg_lock, flags); | |
449 | set_mode_register(p->chip, 0xfc); | |
450 | set_mode_register(p->chip, 0x00); | |
451 | spin_unlock_irqrestore(&p->chip->reg_lock, flags); | |
452 | ||
453 | /* finished loading successfully */ | |
454 | p->running = SNDRV_SB_CSP_ST_LOADED; /* set LOADED flag */ | |
455 | return 0; | |
456 | } | |
457 | } | |
9bf8e7dd | 458 | snd_printd("%s: Function #%d not found\n", __func__, info.func_req); |
1da177e4 LT |
459 | return -EINVAL; |
460 | } | |
461 | ||
462 | /* | |
463 | * unload CSP microcode | |
464 | */ | |
029d64b0 | 465 | static int snd_sb_csp_unload(struct snd_sb_csp * p) |
1da177e4 LT |
466 | { |
467 | if (p->running & SNDRV_SB_CSP_ST_RUNNING) | |
468 | return -EBUSY; | |
469 | if (!(p->running & SNDRV_SB_CSP_ST_LOADED)) | |
470 | return -ENXIO; | |
471 | ||
472 | /* clear supported formats */ | |
473 | p->acc_format = 0; | |
474 | p->acc_channels = p->acc_width = p->acc_rates = 0; | |
475 | /* destroy QSound mixer element */ | |
476 | if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { | |
477 | snd_sb_qsound_destroy(p); | |
478 | } | |
479 | /* clear all flags */ | |
480 | p->running = 0; | |
481 | p->mode = 0; | |
482 | return 0; | |
483 | } | |
484 | ||
485 | /* | |
486 | * send command sequence to DSP | |
487 | */ | |
029d64b0 | 488 | static inline int command_seq(struct snd_sb *chip, const unsigned char *seq, int size) |
1da177e4 LT |
489 | { |
490 | int i; | |
491 | for (i = 0; i < size; i++) { | |
492 | if (!snd_sbdsp_command(chip, seq[i])) | |
493 | return -EIO; | |
494 | } | |
495 | return 0; | |
496 | } | |
497 | ||
498 | /* | |
499 | * set CSP codec parameter | |
500 | */ | |
029d64b0 | 501 | static int set_codec_parameter(struct snd_sb *chip, unsigned char par, unsigned char val) |
1da177e4 LT |
502 | { |
503 | unsigned char dsp_cmd[3]; | |
504 | ||
505 | dsp_cmd[0] = 0x05; /* CSP set codec parameter */ | |
506 | dsp_cmd[1] = val; /* Parameter value */ | |
507 | dsp_cmd[2] = par; /* Parameter */ | |
508 | command_seq(chip, dsp_cmd, 3); | |
509 | snd_sbdsp_command(chip, 0x03); /* DSP read? */ | |
510 | if (snd_sbdsp_get_byte(chip) != par) | |
511 | return -EIO; | |
512 | return 0; | |
513 | } | |
514 | ||
515 | /* | |
516 | * set CSP register | |
517 | */ | |
029d64b0 | 518 | static int set_register(struct snd_sb *chip, unsigned char reg, unsigned char val) |
1da177e4 LT |
519 | { |
520 | unsigned char dsp_cmd[3]; | |
521 | ||
522 | dsp_cmd[0] = 0x0e; /* CSP set register */ | |
523 | dsp_cmd[1] = reg; /* CSP Register */ | |
524 | dsp_cmd[2] = val; /* value */ | |
525 | return command_seq(chip, dsp_cmd, 3); | |
526 | } | |
527 | ||
528 | /* | |
529 | * read CSP register | |
530 | * return < 0 -> error | |
531 | */ | |
029d64b0 | 532 | static int read_register(struct snd_sb *chip, unsigned char reg) |
1da177e4 LT |
533 | { |
534 | unsigned char dsp_cmd[2]; | |
535 | ||
536 | dsp_cmd[0] = 0x0f; /* CSP read register */ | |
537 | dsp_cmd[1] = reg; /* CSP Register */ | |
538 | command_seq(chip, dsp_cmd, 2); | |
539 | return snd_sbdsp_get_byte(chip); /* Read DSP value */ | |
540 | } | |
541 | ||
542 | /* | |
543 | * set CSP mode register | |
544 | */ | |
029d64b0 | 545 | static int set_mode_register(struct snd_sb *chip, unsigned char mode) |
1da177e4 LT |
546 | { |
547 | unsigned char dsp_cmd[2]; | |
548 | ||
549 | dsp_cmd[0] = 0x04; /* CSP set mode register */ | |
550 | dsp_cmd[1] = mode; /* mode */ | |
551 | return command_seq(chip, dsp_cmd, 2); | |
552 | } | |
553 | ||
554 | /* | |
555 | * Detect CSP | |
556 | * return 0 if CSP exists. | |
557 | */ | |
029d64b0 | 558 | static int csp_detect(struct snd_sb *chip, int *version) |
1da177e4 LT |
559 | { |
560 | unsigned char csp_test1, csp_test2; | |
561 | unsigned long flags; | |
562 | int result = -ENODEV; | |
563 | ||
564 | spin_lock_irqsave(&chip->reg_lock, flags); | |
565 | ||
566 | set_codec_parameter(chip, 0x00, 0x00); | |
567 | set_mode_register(chip, 0xfc); /* 0xfc = ?? */ | |
568 | ||
569 | csp_test1 = read_register(chip, 0x83); | |
570 | set_register(chip, 0x83, ~csp_test1); | |
571 | csp_test2 = read_register(chip, 0x83); | |
572 | if (csp_test2 != (csp_test1 ^ 0xff)) | |
573 | goto __fail; | |
574 | ||
575 | set_register(chip, 0x83, csp_test1); | |
576 | csp_test2 = read_register(chip, 0x83); | |
577 | if (csp_test2 != csp_test1) | |
578 | goto __fail; | |
579 | ||
580 | set_mode_register(chip, 0x00); /* 0x00 = ? */ | |
581 | ||
582 | *version = get_version(chip); | |
583 | snd_sbdsp_reset(chip); /* reset DSP after getversion! */ | |
584 | if (*version >= 0x10 && *version <= 0x1f) | |
585 | result = 0; /* valid version id */ | |
586 | ||
587 | __fail: | |
588 | spin_unlock_irqrestore(&chip->reg_lock, flags); | |
589 | return result; | |
590 | } | |
591 | ||
592 | /* | |
593 | * get CSP version number | |
594 | */ | |
029d64b0 | 595 | static int get_version(struct snd_sb *chip) |
1da177e4 LT |
596 | { |
597 | unsigned char dsp_cmd[2]; | |
598 | ||
599 | dsp_cmd[0] = 0x08; /* SB_DSP_!something! */ | |
600 | dsp_cmd[1] = 0x03; /* get chip version id? */ | |
601 | command_seq(chip, dsp_cmd, 2); | |
602 | ||
603 | return (snd_sbdsp_get_byte(chip)); | |
604 | } | |
605 | ||
606 | /* | |
607 | * check if the CSP version is valid | |
608 | */ | |
029d64b0 | 609 | static int snd_sb_csp_check_version(struct snd_sb_csp * p) |
1da177e4 LT |
610 | { |
611 | if (p->version < 0x10 || p->version > 0x1f) { | |
9bf8e7dd | 612 | snd_printd("%s: Invalid CSP version: 0x%x\n", __func__, p->version); |
1da177e4 LT |
613 | return 1; |
614 | } | |
615 | return 0; | |
616 | } | |
617 | ||
618 | /* | |
619 | * download microcode to CSP (microcode should have one "main" block). | |
620 | */ | |
029d64b0 | 621 | static int snd_sb_csp_load(struct snd_sb_csp * p, const unsigned char *buf, int size, int load_flags) |
1da177e4 LT |
622 | { |
623 | int status, i; | |
624 | int err; | |
625 | int result = -EIO; | |
626 | unsigned long flags; | |
627 | ||
628 | spin_lock_irqsave(&p->chip->reg_lock, flags); | |
629 | snd_sbdsp_command(p->chip, 0x01); /* CSP download command */ | |
630 | if (snd_sbdsp_get_byte(p->chip)) { | |
9bf8e7dd | 631 | snd_printd("%s: Download command failed\n", __func__); |
1da177e4 LT |
632 | goto __fail; |
633 | } | |
634 | /* Send CSP low byte (size - 1) */ | |
635 | snd_sbdsp_command(p->chip, (unsigned char)(size - 1)); | |
636 | /* Send high byte */ | |
637 | snd_sbdsp_command(p->chip, (unsigned char)((size - 1) >> 8)); | |
638 | /* send microcode sequence */ | |
639 | /* load from kernel space */ | |
640 | while (size--) { | |
641 | if (!snd_sbdsp_command(p->chip, *buf++)) | |
642 | goto __fail; | |
643 | } | |
644 | if (snd_sbdsp_get_byte(p->chip)) | |
645 | goto __fail; | |
646 | ||
647 | if (load_flags & SNDRV_SB_CSP_LOAD_INITBLOCK) { | |
648 | i = 0; | |
649 | /* some codecs (FastSpeech) take some time to initialize */ | |
650 | while (1) { | |
651 | snd_sbdsp_command(p->chip, 0x03); | |
652 | status = snd_sbdsp_get_byte(p->chip); | |
653 | if (status == 0x55 || ++i >= 10) | |
654 | break; | |
655 | udelay (10); | |
656 | } | |
657 | if (status != 0x55) { | |
9bf8e7dd | 658 | snd_printd("%s: Microcode initialization failed\n", __func__); |
1da177e4 LT |
659 | goto __fail; |
660 | } | |
661 | } else { | |
662 | /* | |
663 | * Read mixer register SB_DSP4_DMASETUP after loading 'main' code. | |
664 | * Start CSP chip if no 16bit DMA channel is set - some kind | |
665 | * of autorun or perhaps a bugfix? | |
666 | */ | |
667 | spin_lock(&p->chip->mixer_lock); | |
668 | status = snd_sbmixer_read(p->chip, SB_DSP4_DMASETUP); | |
669 | spin_unlock(&p->chip->mixer_lock); | |
670 | if (!(status & (SB_DMASETUP_DMA7 | SB_DMASETUP_DMA6 | SB_DMASETUP_DMA5))) { | |
671 | err = (set_codec_parameter(p->chip, 0xaa, 0x00) || | |
672 | set_codec_parameter(p->chip, 0xff, 0x00)); | |
673 | snd_sbdsp_reset(p->chip); /* really! */ | |
674 | if (err) | |
675 | goto __fail; | |
676 | set_mode_register(p->chip, 0xc0); /* c0 = STOP */ | |
677 | set_mode_register(p->chip, 0x70); /* 70 = RUN */ | |
678 | } | |
679 | } | |
680 | result = 0; | |
681 | ||
682 | __fail: | |
683 | spin_unlock_irqrestore(&p->chip->reg_lock, flags); | |
684 | return result; | |
685 | } | |
686 | ||
029d64b0 | 687 | static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags) |
1da177e4 | 688 | { |
68425adc LZ |
689 | int err; |
690 | unsigned char *kbuf; | |
691 | ||
692 | kbuf = memdup_user(buf, size); | |
693 | if (IS_ERR(kbuf)) | |
694 | return PTR_ERR(kbuf); | |
695 | ||
696 | err = snd_sb_csp_load(p, kbuf, size, load_flags); | |
697 | ||
698 | kfree(kbuf); | |
1da177e4 LT |
699 | return err; |
700 | } | |
701 | ||
de66d53e CL |
702 | static int snd_sb_csp_firmware_load(struct snd_sb_csp *p, int index, int flags) |
703 | { | |
704 | static const char *const names[] = { | |
705 | "sb16/mulaw_main.csp", | |
706 | "sb16/alaw_main.csp", | |
707 | "sb16/ima_adpcm_init.csp", | |
708 | "sb16/ima_adpcm_playback.csp", | |
709 | "sb16/ima_adpcm_capture.csp", | |
710 | }; | |
711 | const struct firmware *program; | |
de66d53e CL |
712 | |
713 | BUILD_BUG_ON(ARRAY_SIZE(names) != CSP_PROGRAM_COUNT); | |
714 | program = p->csp_programs[index]; | |
715 | if (!program) { | |
b7dd2b34 TI |
716 | int err = request_firmware(&program, names[index], |
717 | p->chip->card->dev); | |
718 | if (err < 0) | |
de66d53e | 719 | return err; |
b7dd2b34 | 720 | p->csp_programs[index] = program; |
de66d53e CL |
721 | } |
722 | return snd_sb_csp_load(p, program->data, program->size, flags); | |
723 | } | |
724 | ||
1da177e4 LT |
725 | /* |
726 | * autoload hardware codec if necessary | |
727 | * return 0 if CSP is loaded and ready to run (p->running != 0) | |
728 | */ | |
029d64b0 | 729 | static int snd_sb_csp_autoload(struct snd_sb_csp * p, int pcm_sfmt, int play_rec_mode) |
1da177e4 LT |
730 | { |
731 | unsigned long flags; | |
732 | int err = 0; | |
733 | ||
734 | /* if CSP is running or manually loaded then exit */ | |
735 | if (p->running & (SNDRV_SB_CSP_ST_RUNNING | SNDRV_SB_CSP_ST_LOADED)) | |
736 | return -EBUSY; | |
737 | ||
738 | /* autoload microcode only if requested hardware codec is not already loaded */ | |
739 | if (((1 << pcm_sfmt) & p->acc_format) && (play_rec_mode & p->mode)) { | |
740 | p->running = SNDRV_SB_CSP_ST_AUTO; | |
741 | } else { | |
742 | switch (pcm_sfmt) { | |
743 | case SNDRV_PCM_FORMAT_MU_LAW: | |
de66d53e | 744 | err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_MULAW, 0); |
1da177e4 LT |
745 | p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW; |
746 | p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE; | |
747 | break; | |
748 | case SNDRV_PCM_FORMAT_A_LAW: | |
de66d53e | 749 | err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ALAW, 0); |
1da177e4 LT |
750 | p->acc_format = SNDRV_PCM_FMTBIT_A_LAW; |
751 | p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE; | |
752 | break; | |
753 | case SNDRV_PCM_FORMAT_IMA_ADPCM: | |
de66d53e CL |
754 | err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ADPCM_INIT, |
755 | SNDRV_SB_CSP_LOAD_INITBLOCK); | |
1da177e4 LT |
756 | if (err) |
757 | break; | |
758 | if (play_rec_mode == SNDRV_SB_CSP_MODE_DSP_WRITE) { | |
de66d53e CL |
759 | err = snd_sb_csp_firmware_load |
760 | (p, CSP_PROGRAM_ADPCM_PLAYBACK, 0); | |
1da177e4 LT |
761 | p->mode = SNDRV_SB_CSP_MODE_DSP_WRITE; |
762 | } else { | |
de66d53e CL |
763 | err = snd_sb_csp_firmware_load |
764 | (p, CSP_PROGRAM_ADPCM_CAPTURE, 0); | |
1da177e4 LT |
765 | p->mode = SNDRV_SB_CSP_MODE_DSP_READ; |
766 | } | |
767 | p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM; | |
768 | break; | |
769 | default: | |
770 | /* Decouple CSP from IRQ and DMAREQ lines */ | |
771 | if (p->running & SNDRV_SB_CSP_ST_AUTO) { | |
772 | spin_lock_irqsave(&p->chip->reg_lock, flags); | |
773 | set_mode_register(p->chip, 0xfc); | |
774 | set_mode_register(p->chip, 0x00); | |
775 | spin_unlock_irqrestore(&p->chip->reg_lock, flags); | |
776 | p->running = 0; /* clear autoloaded flag */ | |
777 | } | |
778 | return -EINVAL; | |
779 | } | |
780 | if (err) { | |
781 | p->acc_format = 0; | |
782 | p->acc_channels = p->acc_width = p->acc_rates = 0; | |
783 | ||
784 | p->running = 0; /* clear autoloaded flag */ | |
785 | p->mode = 0; | |
786 | return (err); | |
787 | } else { | |
788 | p->running = SNDRV_SB_CSP_ST_AUTO; /* set autoloaded flag */ | |
789 | p->acc_width = SNDRV_SB_CSP_SAMPLE_16BIT; /* only 16 bit data */ | |
790 | p->acc_channels = SNDRV_SB_CSP_MONO | SNDRV_SB_CSP_STEREO; | |
791 | p->acc_rates = SNDRV_SB_CSP_RATE_ALL; /* HW codecs accept all rates */ | |
792 | } | |
793 | ||
794 | } | |
795 | return (p->running & SNDRV_SB_CSP_ST_AUTO) ? 0 : -ENXIO; | |
796 | } | |
797 | ||
798 | /* | |
799 | * start CSP | |
800 | */ | |
029d64b0 | 801 | static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channels) |
1da177e4 LT |
802 | { |
803 | unsigned char s_type; /* sample type */ | |
804 | unsigned char mixL, mixR; | |
805 | int result = -EIO; | |
806 | unsigned long flags; | |
807 | ||
808 | if (!(p->running & (SNDRV_SB_CSP_ST_LOADED | SNDRV_SB_CSP_ST_AUTO))) { | |
9bf8e7dd | 809 | snd_printd("%s: Microcode not loaded\n", __func__); |
1da177e4 LT |
810 | return -ENXIO; |
811 | } | |
812 | if (p->running & SNDRV_SB_CSP_ST_RUNNING) { | |
9bf8e7dd | 813 | snd_printd("%s: CSP already running\n", __func__); |
1da177e4 LT |
814 | return -EBUSY; |
815 | } | |
816 | if (!(sample_width & p->acc_width)) { | |
9bf8e7dd | 817 | snd_printd("%s: Unsupported PCM sample width\n", __func__); |
1da177e4 LT |
818 | return -EINVAL; |
819 | } | |
820 | if (!(channels & p->acc_channels)) { | |
9bf8e7dd | 821 | snd_printd("%s: Invalid number of channels\n", __func__); |
1da177e4 LT |
822 | return -EINVAL; |
823 | } | |
824 | ||
825 | /* Mute PCM volume */ | |
826 | spin_lock_irqsave(&p->chip->mixer_lock, flags); | |
827 | mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV); | |
828 | mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1); | |
829 | snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7); | |
830 | snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7); | |
831 | ||
832 | spin_lock(&p->chip->reg_lock); | |
833 | set_mode_register(p->chip, 0xc0); /* c0 = STOP */ | |
834 | set_mode_register(p->chip, 0x70); /* 70 = RUN */ | |
835 | ||
836 | s_type = 0x00; | |
837 | if (channels == SNDRV_SB_CSP_MONO) | |
838 | s_type = 0x11; /* 000n 000n (n = 1 if mono) */ | |
839 | if (sample_width == SNDRV_SB_CSP_SAMPLE_8BIT) | |
840 | s_type |= 0x22; /* 00dX 00dX (d = 1 if 8 bit samples) */ | |
841 | ||
842 | if (set_codec_parameter(p->chip, 0x81, s_type)) { | |
9bf8e7dd | 843 | snd_printd("%s: Set sample type command failed\n", __func__); |
1da177e4 LT |
844 | goto __fail; |
845 | } | |
846 | if (set_codec_parameter(p->chip, 0x80, 0x00)) { | |
9bf8e7dd | 847 | snd_printd("%s: Codec start command failed\n", __func__); |
1da177e4 LT |
848 | goto __fail; |
849 | } | |
850 | p->run_width = sample_width; | |
851 | p->run_channels = channels; | |
852 | ||
853 | p->running |= SNDRV_SB_CSP_ST_RUNNING; | |
854 | ||
855 | if (p->mode & SNDRV_SB_CSP_MODE_QSOUND) { | |
856 | set_codec_parameter(p->chip, 0xe0, 0x01); | |
857 | /* enable QSound decoder */ | |
858 | set_codec_parameter(p->chip, 0x00, 0xff); | |
859 | set_codec_parameter(p->chip, 0x01, 0xff); | |
860 | p->running |= SNDRV_SB_CSP_ST_QSOUND; | |
861 | /* set QSound startup value */ | |
862 | snd_sb_csp_qsound_transfer(p); | |
863 | } | |
864 | result = 0; | |
865 | ||
866 | __fail: | |
867 | spin_unlock(&p->chip->reg_lock); | |
868 | ||
869 | /* restore PCM volume */ | |
870 | snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL); | |
871 | snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR); | |
872 | spin_unlock_irqrestore(&p->chip->mixer_lock, flags); | |
873 | ||
874 | return result; | |
875 | } | |
876 | ||
877 | /* | |
878 | * stop CSP | |
879 | */ | |
029d64b0 | 880 | static int snd_sb_csp_stop(struct snd_sb_csp * p) |
1da177e4 LT |
881 | { |
882 | int result; | |
883 | unsigned char mixL, mixR; | |
884 | unsigned long flags; | |
885 | ||
886 | if (!(p->running & SNDRV_SB_CSP_ST_RUNNING)) | |
887 | return 0; | |
888 | ||
889 | /* Mute PCM volume */ | |
890 | spin_lock_irqsave(&p->chip->mixer_lock, flags); | |
891 | mixL = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV); | |
892 | mixR = snd_sbmixer_read(p->chip, SB_DSP4_PCM_DEV + 1); | |
893 | snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL & 0x7); | |
894 | snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR & 0x7); | |
895 | ||
896 | spin_lock(&p->chip->reg_lock); | |
897 | if (p->running & SNDRV_SB_CSP_ST_QSOUND) { | |
898 | set_codec_parameter(p->chip, 0xe0, 0x01); | |
899 | /* disable QSound decoder */ | |
900 | set_codec_parameter(p->chip, 0x00, 0x00); | |
901 | set_codec_parameter(p->chip, 0x01, 0x00); | |
902 | ||
903 | p->running &= ~SNDRV_SB_CSP_ST_QSOUND; | |
904 | } | |
905 | result = set_mode_register(p->chip, 0xc0); /* c0 = STOP */ | |
906 | spin_unlock(&p->chip->reg_lock); | |
907 | ||
908 | /* restore PCM volume */ | |
909 | snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV, mixL); | |
910 | snd_sbmixer_write(p->chip, SB_DSP4_PCM_DEV + 1, mixR); | |
911 | spin_unlock_irqrestore(&p->chip->mixer_lock, flags); | |
912 | ||
913 | if (!(result)) | |
914 | p->running &= ~(SNDRV_SB_CSP_ST_PAUSED | SNDRV_SB_CSP_ST_RUNNING); | |
915 | return result; | |
916 | } | |
917 | ||
918 | /* | |
919 | * pause CSP codec and hold DMA transfer | |
920 | */ | |
029d64b0 | 921 | static int snd_sb_csp_pause(struct snd_sb_csp * p) |
1da177e4 LT |
922 | { |
923 | int result; | |
924 | unsigned long flags; | |
925 | ||
926 | if (!(p->running & SNDRV_SB_CSP_ST_RUNNING)) | |
927 | return -EBUSY; | |
928 | ||
929 | spin_lock_irqsave(&p->chip->reg_lock, flags); | |
930 | result = set_codec_parameter(p->chip, 0x80, 0xff); | |
931 | spin_unlock_irqrestore(&p->chip->reg_lock, flags); | |
932 | if (!(result)) | |
933 | p->running |= SNDRV_SB_CSP_ST_PAUSED; | |
934 | ||
935 | return result; | |
936 | } | |
937 | ||
938 | /* | |
939 | * restart CSP codec and resume DMA transfer | |
940 | */ | |
029d64b0 | 941 | static int snd_sb_csp_restart(struct snd_sb_csp * p) |
1da177e4 LT |
942 | { |
943 | int result; | |
944 | unsigned long flags; | |
945 | ||
946 | if (!(p->running & SNDRV_SB_CSP_ST_PAUSED)) | |
947 | return -EBUSY; | |
948 | ||
949 | spin_lock_irqsave(&p->chip->reg_lock, flags); | |
950 | result = set_codec_parameter(p->chip, 0x80, 0x00); | |
951 | spin_unlock_irqrestore(&p->chip->reg_lock, flags); | |
952 | if (!(result)) | |
953 | p->running &= ~SNDRV_SB_CSP_ST_PAUSED; | |
954 | ||
955 | return result; | |
956 | } | |
957 | ||
958 | /* ------------------------------ */ | |
959 | ||
960 | /* | |
961 | * QSound mixer control for PCM | |
962 | */ | |
963 | ||
a5ce8890 | 964 | #define snd_sb_qsound_switch_info snd_ctl_boolean_mono_info |
1da177e4 | 965 | |
029d64b0 | 966 | static int snd_sb_qsound_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 967 | { |
029d64b0 | 968 | struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
969 | |
970 | ucontrol->value.integer.value[0] = p->q_enabled ? 1 : 0; | |
971 | return 0; | |
972 | } | |
973 | ||
029d64b0 | 974 | static int snd_sb_qsound_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 975 | { |
029d64b0 | 976 | struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
977 | unsigned long flags; |
978 | int change; | |
979 | unsigned char nval; | |
980 | ||
981 | nval = ucontrol->value.integer.value[0] & 0x01; | |
982 | spin_lock_irqsave(&p->q_lock, flags); | |
983 | change = p->q_enabled != nval; | |
984 | p->q_enabled = nval; | |
985 | spin_unlock_irqrestore(&p->q_lock, flags); | |
986 | return change; | |
987 | } | |
988 | ||
029d64b0 | 989 | static int snd_sb_qsound_space_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
990 | { |
991 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
992 | uinfo->count = 2; | |
993 | uinfo->value.integer.min = 0; | |
994 | uinfo->value.integer.max = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; | |
995 | return 0; | |
996 | } | |
997 | ||
029d64b0 | 998 | static int snd_sb_qsound_space_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 999 | { |
029d64b0 | 1000 | struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1001 | unsigned long flags; |
1002 | ||
1003 | spin_lock_irqsave(&p->q_lock, flags); | |
1004 | ucontrol->value.integer.value[0] = p->qpos_left; | |
1005 | ucontrol->value.integer.value[1] = p->qpos_right; | |
1006 | spin_unlock_irqrestore(&p->q_lock, flags); | |
1007 | return 0; | |
1008 | } | |
1009 | ||
029d64b0 | 1010 | static int snd_sb_qsound_space_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 | 1011 | { |
029d64b0 | 1012 | struct snd_sb_csp *p = snd_kcontrol_chip(kcontrol); |
1da177e4 LT |
1013 | unsigned long flags; |
1014 | int change; | |
1015 | unsigned char nval1, nval2; | |
1016 | ||
1017 | nval1 = ucontrol->value.integer.value[0]; | |
1018 | if (nval1 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT) | |
1019 | nval1 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; | |
1020 | nval2 = ucontrol->value.integer.value[1]; | |
1021 | if (nval2 > SNDRV_SB_CSP_QSOUND_MAX_RIGHT) | |
1022 | nval2 = SNDRV_SB_CSP_QSOUND_MAX_RIGHT; | |
1023 | spin_lock_irqsave(&p->q_lock, flags); | |
1024 | change = p->qpos_left != nval1 || p->qpos_right != nval2; | |
1025 | p->qpos_left = nval1; | |
1026 | p->qpos_right = nval2; | |
1027 | p->qpos_changed = change; | |
1028 | spin_unlock_irqrestore(&p->q_lock, flags); | |
1029 | return change; | |
1030 | } | |
1031 | ||
029d64b0 | 1032 | static struct snd_kcontrol_new snd_sb_qsound_switch = { |
1da177e4 LT |
1033 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1034 | .name = "3D Control - Switch", | |
1035 | .info = snd_sb_qsound_switch_info, | |
1036 | .get = snd_sb_qsound_switch_get, | |
1037 | .put = snd_sb_qsound_switch_put | |
1038 | }; | |
1039 | ||
029d64b0 | 1040 | static struct snd_kcontrol_new snd_sb_qsound_space = { |
1da177e4 LT |
1041 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, |
1042 | .name = "3D Control - Space", | |
1043 | .info = snd_sb_qsound_space_info, | |
1044 | .get = snd_sb_qsound_space_get, | |
1045 | .put = snd_sb_qsound_space_put | |
1046 | }; | |
1047 | ||
029d64b0 | 1048 | static int snd_sb_qsound_build(struct snd_sb_csp * p) |
1da177e4 | 1049 | { |
029d64b0 | 1050 | struct snd_card *card; |
1da177e4 LT |
1051 | int err; |
1052 | ||
622207dc TI |
1053 | if (snd_BUG_ON(!p)) |
1054 | return -EINVAL; | |
1da177e4 LT |
1055 | |
1056 | card = p->chip->card; | |
1057 | p->qpos_left = p->qpos_right = SNDRV_SB_CSP_QSOUND_MAX_RIGHT / 2; | |
1058 | p->qpos_changed = 0; | |
1059 | ||
1060 | spin_lock_init(&p->q_lock); | |
1061 | ||
1062 | if ((err = snd_ctl_add(card, p->qsound_switch = snd_ctl_new1(&snd_sb_qsound_switch, p))) < 0) | |
1063 | goto __error; | |
1064 | if ((err = snd_ctl_add(card, p->qsound_space = snd_ctl_new1(&snd_sb_qsound_space, p))) < 0) | |
1065 | goto __error; | |
1066 | ||
1067 | return 0; | |
1068 | ||
1069 | __error: | |
1070 | snd_sb_qsound_destroy(p); | |
1071 | return err; | |
1072 | } | |
1073 | ||
029d64b0 | 1074 | static void snd_sb_qsound_destroy(struct snd_sb_csp * p) |
1da177e4 | 1075 | { |
029d64b0 | 1076 | struct snd_card *card; |
1da177e4 LT |
1077 | unsigned long flags; |
1078 | ||
622207dc TI |
1079 | if (snd_BUG_ON(!p)) |
1080 | return; | |
1da177e4 LT |
1081 | |
1082 | card = p->chip->card; | |
1083 | ||
1084 | down_write(&card->controls_rwsem); | |
1085 | if (p->qsound_switch) | |
1086 | snd_ctl_remove(card, p->qsound_switch); | |
1087 | if (p->qsound_space) | |
1088 | snd_ctl_remove(card, p->qsound_space); | |
1089 | up_write(&card->controls_rwsem); | |
1090 | ||
1091 | /* cancel pending transfer of QSound parameters */ | |
1092 | spin_lock_irqsave (&p->q_lock, flags); | |
1093 | p->qpos_changed = 0; | |
1094 | spin_unlock_irqrestore (&p->q_lock, flags); | |
1095 | } | |
1096 | ||
1097 | /* | |
1098 | * Transfer qsound parameters to CSP, | |
1099 | * function should be called from interrupt routine | |
1100 | */ | |
029d64b0 | 1101 | static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p) |
1da177e4 LT |
1102 | { |
1103 | int err = -ENXIO; | |
1104 | ||
1105 | spin_lock(&p->q_lock); | |
1106 | if (p->running & SNDRV_SB_CSP_ST_QSOUND) { | |
1107 | set_codec_parameter(p->chip, 0xe0, 0x01); | |
1108 | /* left channel */ | |
1109 | set_codec_parameter(p->chip, 0x00, p->qpos_left); | |
1110 | set_codec_parameter(p->chip, 0x02, 0x00); | |
1111 | /* right channel */ | |
1112 | set_codec_parameter(p->chip, 0x00, p->qpos_right); | |
1113 | set_codec_parameter(p->chip, 0x03, 0x00); | |
1114 | err = 0; | |
1115 | } | |
1116 | p->qpos_changed = 0; | |
1117 | spin_unlock(&p->q_lock); | |
1118 | return err; | |
1119 | } | |
1120 | ||
1121 | /* ------------------------------ */ | |
1122 | ||
1123 | /* | |
1124 | * proc interface | |
1125 | */ | |
029d64b0 | 1126 | static int init_proc_entry(struct snd_sb_csp * p, int device) |
1da177e4 LT |
1127 | { |
1128 | char name[16]; | |
029d64b0 | 1129 | struct snd_info_entry *entry; |
1da177e4 LT |
1130 | sprintf(name, "cspD%d", device); |
1131 | if (! snd_card_proc_new(p->chip->card, name, &entry)) | |
bf850204 | 1132 | snd_info_set_text_ops(entry, p, info_read); |
1da177e4 LT |
1133 | return 0; |
1134 | } | |
1135 | ||
029d64b0 | 1136 | static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) |
1da177e4 | 1137 | { |
029d64b0 | 1138 | struct snd_sb_csp *p = entry->private_data; |
1da177e4 LT |
1139 | |
1140 | snd_iprintf(buffer, "Creative Signal Processor [v%d.%d]\n", (p->version >> 4), (p->version & 0x0f)); | |
1141 | snd_iprintf(buffer, "State: %cx%c%c%c\n", ((p->running & SNDRV_SB_CSP_ST_QSOUND) ? 'Q' : '-'), | |
1142 | ((p->running & SNDRV_SB_CSP_ST_PAUSED) ? 'P' : '-'), | |
1143 | ((p->running & SNDRV_SB_CSP_ST_RUNNING) ? 'R' : '-'), | |
1144 | ((p->running & SNDRV_SB_CSP_ST_LOADED) ? 'L' : '-')); | |
1145 | if (p->running & SNDRV_SB_CSP_ST_LOADED) { | |
1146 | snd_iprintf(buffer, "Codec: %s [func #%d]\n", p->codec_name, p->func_nr); | |
1147 | snd_iprintf(buffer, "Sample rates: "); | |
1148 | if (p->acc_rates == SNDRV_SB_CSP_RATE_ALL) { | |
1149 | snd_iprintf(buffer, "All\n"); | |
1150 | } else { | |
1151 | snd_iprintf(buffer, "%s%s%s%s\n", | |
1152 | ((p->acc_rates & SNDRV_SB_CSP_RATE_8000) ? "8000Hz " : ""), | |
1153 | ((p->acc_rates & SNDRV_SB_CSP_RATE_11025) ? "11025Hz " : ""), | |
1154 | ((p->acc_rates & SNDRV_SB_CSP_RATE_22050) ? "22050Hz " : ""), | |
1155 | ((p->acc_rates & SNDRV_SB_CSP_RATE_44100) ? "44100Hz" : "")); | |
1156 | } | |
1157 | if (p->mode == SNDRV_SB_CSP_MODE_QSOUND) { | |
1158 | snd_iprintf(buffer, "QSound decoder %sabled\n", | |
1159 | p->q_enabled ? "en" : "dis"); | |
1160 | } else { | |
1161 | snd_iprintf(buffer, "PCM format ID: 0x%x (%s/%s) [%s/%s] [%s/%s]\n", | |
1162 | p->acc_format, | |
1163 | ((p->acc_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? "16bit" : "-"), | |
1164 | ((p->acc_width & SNDRV_SB_CSP_SAMPLE_8BIT) ? "8bit" : "-"), | |
1165 | ((p->acc_channels & SNDRV_SB_CSP_MONO) ? "mono" : "-"), | |
1166 | ((p->acc_channels & SNDRV_SB_CSP_STEREO) ? "stereo" : "-"), | |
1167 | ((p->mode & SNDRV_SB_CSP_MODE_DSP_WRITE) ? "playback" : "-"), | |
1168 | ((p->mode & SNDRV_SB_CSP_MODE_DSP_READ) ? "capture" : "-")); | |
1169 | } | |
1170 | } | |
1171 | if (p->running & SNDRV_SB_CSP_ST_AUTO) { | |
1172 | snd_iprintf(buffer, "Autoloaded Mu-Law, A-Law or Ima-ADPCM hardware codec\n"); | |
1173 | } | |
1174 | if (p->running & SNDRV_SB_CSP_ST_RUNNING) { | |
1175 | snd_iprintf(buffer, "Processing %dbit %s PCM samples\n", | |
1176 | ((p->run_width & SNDRV_SB_CSP_SAMPLE_16BIT) ? 16 : 8), | |
1177 | ((p->run_channels & SNDRV_SB_CSP_MONO) ? "mono" : "stereo")); | |
1178 | } | |
1179 | if (p->running & SNDRV_SB_CSP_ST_QSOUND) { | |
1180 | snd_iprintf(buffer, "Qsound position: left = 0x%x, right = 0x%x\n", | |
1181 | p->qpos_left, p->qpos_right); | |
1182 | } | |
1183 | } | |
1184 | ||
1185 | /* */ | |
1186 | ||
1187 | EXPORT_SYMBOL(snd_sb_csp_new); | |
1188 | ||
1189 | /* | |
1190 | * INIT part | |
1191 | */ | |
1192 | ||
1193 | static int __init alsa_sb_csp_init(void) | |
1194 | { | |
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | static void __exit alsa_sb_csp_exit(void) | |
1199 | { | |
1200 | } | |
1201 | ||
1202 | module_init(alsa_sb_csp_init) | |
1203 | module_exit(alsa_sb_csp_exit) |