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