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perf intel-pt: Factor out intel_pt_8b_tsc()
[linux/fpc-iii.git] / sound / pci / pcxhr / pcxhr.c
blobe493962d8455159f24103e744dd79504feb07bb7
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Driver for Digigram pcxhr compatible soundcards
4 *
5 * main file with alsa callbacks
6 *
7 * Copyright (c) 2004 by Digigram <alsa@digigram.com>
8 */
9
10
11 #include <linux/init.h>
12 #include <linux/interrupt.h>
13 #include <linux/slab.h>
14 #include <linux/pci.h>
15 #include <linux/dma-mapping.h>
16 #include <linux/delay.h>
17 #include <linux/module.h>
18 #include <linux/mutex.h>
19
20 #include <sound/core.h>
21 #include <sound/initval.h>
22 #include <sound/info.h>
23 #include <sound/control.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include "pcxhr.h"
27 #include "pcxhr_mixer.h"
28 #include "pcxhr_hwdep.h"
29 #include "pcxhr_core.h"
30 #include "pcxhr_mix22.h"
31
32 #define DRIVER_NAME "pcxhr"
33
34 MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>, "
35 "Marc Titinger <titinger@digigram.com>");
36 MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING);
37 MODULE_LICENSE("GPL");
38 MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}");
39
40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
42 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
43 static bool mono[SNDRV_CARDS]; /* capture mono only */
44
45 module_param_array(index, int, NULL, 0444);
46 MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
47 module_param_array(id, charp, NULL, 0444);
48 MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
49 module_param_array(enable, bool, NULL, 0444);
50 MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
51 module_param_array(mono, bool, NULL, 0444);
52 MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
53
54 enum {
55 PCI_ID_VX882HR,
56 PCI_ID_PCX882HR,
57 PCI_ID_VX881HR,
58 PCI_ID_PCX881HR,
59 PCI_ID_VX882E,
60 PCI_ID_PCX882E,
61 PCI_ID_VX881E,
62 PCI_ID_PCX881E,
63 PCI_ID_VX1222HR,
64 PCI_ID_PCX1222HR,
65 PCI_ID_VX1221HR,
66 PCI_ID_PCX1221HR,
67 PCI_ID_VX1222E,
68 PCI_ID_PCX1222E,
69 PCI_ID_VX1221E,
70 PCI_ID_PCX1221E,
71 PCI_ID_VX222HR,
72 PCI_ID_VX222E,
73 PCI_ID_PCX22HR,
74 PCI_ID_PCX22E,
75 PCI_ID_VX222HRMIC,
76 PCI_ID_VX222E_MIC,
77 PCI_ID_PCX924HR,
78 PCI_ID_PCX924E,
79 PCI_ID_PCX924HRMIC,
80 PCI_ID_PCX924E_MIC,
81 PCI_ID_VX442HR,
82 PCI_ID_PCX442HR,
83 PCI_ID_VX442E,
84 PCI_ID_PCX442E,
85 PCI_ID_VX822HR,
86 PCI_ID_PCX822HR,
87 PCI_ID_VX822E,
88 PCI_ID_PCX822E,
89 PCI_ID_LAST
90 };
91
92 static const struct pci_device_id pcxhr_ids[] = {
93 { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, },
94 { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, },
95 { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, },
96 { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, },
97 { 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, },
98 { 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, },
99 { 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, },
100 { 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, },
101 { 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, },
102 { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, },
103 { 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, },
104 { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, },
105 { 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, },
106 { 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, },
107 { 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, },
108 { 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, },
109 { 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, },
110 { 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, },
111 { 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, },
112 { 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, },
113 { 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, },
114 { 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, },
115 { 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, },
116 { 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, },
117 { 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, },
118 { 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, },
119 { 0x10b5, 0x9656, 0x1369, 0xd001, 0, 0, PCI_ID_VX442HR, },
120 { 0x10b5, 0x9656, 0x1369, 0xd101, 0, 0, PCI_ID_PCX442HR, },
121 { 0x10b5, 0x9056, 0x1369, 0xd021, 0, 0, PCI_ID_VX442E, },
122 { 0x10b5, 0x9056, 0x1369, 0xd121, 0, 0, PCI_ID_PCX442E, },
123 { 0x10b5, 0x9656, 0x1369, 0xd201, 0, 0, PCI_ID_VX822HR, },
124 { 0x10b5, 0x9656, 0x1369, 0xd301, 0, 0, PCI_ID_PCX822HR, },
125 { 0x10b5, 0x9056, 0x1369, 0xd221, 0, 0, PCI_ID_VX822E, },
126 { 0x10b5, 0x9056, 0x1369, 0xd321, 0, 0, PCI_ID_PCX822E, },
127 { 0, }
128 };
129
130 MODULE_DEVICE_TABLE(pci, pcxhr_ids);
131
132 struct board_parameters {
133 char* board_name;
134 short playback_chips;
135 short capture_chips;
136 short fw_file_set;
137 short firmware_num;
138 };
139 static struct board_parameters pcxhr_board_params[] = {
140 [PCI_ID_VX882HR] = { "VX882HR", 4, 4, 0, 41 },
141 [PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 0, 41 },
142 [PCI_ID_VX881HR] = { "VX881HR", 4, 4, 0, 41 },
143 [PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 0, 41 },
144 [PCI_ID_VX882E] = { "VX882e", 4, 4, 1, 41 },
145 [PCI_ID_PCX882E] = { "PCX882e", 4, 4, 1, 41 },
146 [PCI_ID_VX881E] = { "VX881e", 4, 4, 1, 41 },
147 [PCI_ID_PCX881E] = { "PCX881e", 4, 4, 1, 41 },
148 [PCI_ID_VX1222HR] = { "VX1222HR", 6, 1, 2, 42 },
149 [PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 2, 42 },
150 [PCI_ID_VX1221HR] = { "VX1221HR", 6, 1, 2, 42 },
151 [PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 2, 42 },
152 [PCI_ID_VX1222E] = { "VX1222e", 6, 1, 3, 42 },
153 [PCI_ID_PCX1222E] = { "PCX1222e", 6, 1, 3, 42 },
154 [PCI_ID_VX1221E] = { "VX1221e", 6, 1, 3, 42 },
155 [PCI_ID_PCX1221E] = { "PCX1221e", 6, 1, 3, 42 },
156 [PCI_ID_VX222HR] = { "VX222HR", 1, 1, 4, 44 },
157 [PCI_ID_VX222E] = { "VX222e", 1, 1, 4, 44 },
158 [PCI_ID_PCX22HR] = { "PCX22HR", 1, 0, 4, 44 },
159 [PCI_ID_PCX22E] = { "PCX22e", 1, 0, 4, 44 },
160 [PCI_ID_VX222HRMIC] = { "VX222HR-Mic", 1, 1, 5, 44 },
161 [PCI_ID_VX222E_MIC] = { "VX222e-Mic", 1, 1, 5, 44 },
162 [PCI_ID_PCX924HR] = { "PCX924HR", 1, 1, 5, 44 },
163 [PCI_ID_PCX924E] = { "PCX924e", 1, 1, 5, 44 },
164 [PCI_ID_PCX924HRMIC] = { "PCX924HR-Mic", 1, 1, 5, 44 },
165 [PCI_ID_PCX924E_MIC] = { "PCX924e-Mic", 1, 1, 5, 44 },
166 [PCI_ID_VX442HR] = { "VX442HR", 2, 2, 0, 41 },
167 [PCI_ID_PCX442HR] = { "PCX442HR", 2, 2, 0, 41 },
168 [PCI_ID_VX442E] = { "VX442e", 2, 2, 1, 41 },
169 [PCI_ID_PCX442E] = { "PCX442e", 2, 2, 1, 41 },
170 [PCI_ID_VX822HR] = { "VX822HR", 4, 1, 2, 42 },
171 [PCI_ID_PCX822HR] = { "PCX822HR", 4, 1, 2, 42 },
172 [PCI_ID_VX822E] = { "VX822e", 4, 1, 3, 42 },
173 [PCI_ID_PCX822E] = { "PCX822e", 4, 1, 3, 42 },
174 };
175
176 /* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */
177 /* VX222HR, VX222e, PCX22HR and PCX22e */
178 #define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4)
179 /* some boards do not support 192kHz on digital AES input plugs */
180 #define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \
181 (x->fw_file_set == 0) || \
182 (x->fw_file_set == 2))
183
184 static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
185 unsigned int* realfreq)
186 {
187 unsigned int reg;
188
189 if (freq < 6900 || freq > 110000)
190 return -EINVAL;
191 reg = (28224000 * 2) / freq;
192 reg = (reg - 1) / 2;
193 if (reg < 0x200)
194 *pllreg = reg + 0x800;
195 else if (reg < 0x400)
196 *pllreg = reg & 0x1ff;
197 else if (reg < 0x800) {
198 *pllreg = ((reg >> 1) & 0x1ff) + 0x200;
199 reg &= ~1;
200 } else {
201 *pllreg = ((reg >> 2) & 0x1ff) + 0x400;
202 reg &= ~3;
203 }
204 if (realfreq)
205 *realfreq = (28224000 / (reg + 1));
206 return 0;
207 }
208
209
210 #define PCXHR_FREQ_REG_MASK 0x1f
211 #define PCXHR_FREQ_QUARTZ_48000 0x00
212 #define PCXHR_FREQ_QUARTZ_24000 0x01
213 #define PCXHR_FREQ_QUARTZ_12000 0x09
214 #define PCXHR_FREQ_QUARTZ_32000 0x08
215 #define PCXHR_FREQ_QUARTZ_16000 0x04
216 #define PCXHR_FREQ_QUARTZ_8000 0x0c
217 #define PCXHR_FREQ_QUARTZ_44100 0x02
218 #define PCXHR_FREQ_QUARTZ_22050 0x0a
219 #define PCXHR_FREQ_QUARTZ_11025 0x06
220 #define PCXHR_FREQ_PLL 0x05
221 #define PCXHR_FREQ_QUARTZ_192000 0x10
222 #define PCXHR_FREQ_QUARTZ_96000 0x18
223 #define PCXHR_FREQ_QUARTZ_176400 0x14
224 #define PCXHR_FREQ_QUARTZ_88200 0x1c
225 #define PCXHR_FREQ_QUARTZ_128000 0x12
226 #define PCXHR_FREQ_QUARTZ_64000 0x1a
227
228 #define PCXHR_FREQ_WORD_CLOCK 0x0f
229 #define PCXHR_FREQ_SYNC_AES 0x0e
230 #define PCXHR_FREQ_AES_1 0x07
231 #define PCXHR_FREQ_AES_2 0x0b
232 #define PCXHR_FREQ_AES_3 0x03
233 #define PCXHR_FREQ_AES_4 0x0d
234
235 static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
236 unsigned int *reg, unsigned int *freq)
237 {
238 unsigned int val, realfreq, pllreg;
239 struct pcxhr_rmh rmh;
240 int err;
241
242 realfreq = rate;
243 switch (mgr->use_clock_type) {
244 case PCXHR_CLOCK_TYPE_INTERNAL : /* clock by quartz or pll */
245 switch (rate) {
246 case 48000 : val = PCXHR_FREQ_QUARTZ_48000; break;
247 case 24000 : val = PCXHR_FREQ_QUARTZ_24000; break;
248 case 12000 : val = PCXHR_FREQ_QUARTZ_12000; break;
249 case 32000 : val = PCXHR_FREQ_QUARTZ_32000; break;
250 case 16000 : val = PCXHR_FREQ_QUARTZ_16000; break;
251 case 8000 : val = PCXHR_FREQ_QUARTZ_8000; break;
252 case 44100 : val = PCXHR_FREQ_QUARTZ_44100; break;
253 case 22050 : val = PCXHR_FREQ_QUARTZ_22050; break;
254 case 11025 : val = PCXHR_FREQ_QUARTZ_11025; break;
255 case 192000 : val = PCXHR_FREQ_QUARTZ_192000; break;
256 case 96000 : val = PCXHR_FREQ_QUARTZ_96000; break;
257 case 176400 : val = PCXHR_FREQ_QUARTZ_176400; break;
258 case 88200 : val = PCXHR_FREQ_QUARTZ_88200; break;
259 case 128000 : val = PCXHR_FREQ_QUARTZ_128000; break;
260 case 64000 : val = PCXHR_FREQ_QUARTZ_64000; break;
261 default :
262 val = PCXHR_FREQ_PLL;
263 /* get the value for the pll register */
264 err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
265 if (err)
266 return err;
267 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
268 rmh.cmd[0] |= IO_NUM_REG_GENCLK;
269 rmh.cmd[1] = pllreg & MASK_DSP_WORD;
270 rmh.cmd[2] = pllreg >> 24;
271 rmh.cmd_len = 3;
272 err = pcxhr_send_msg(mgr, &rmh);
273 if (err < 0) {
274 dev_err(&mgr->pci->dev,
275 "error CMD_ACCESS_IO_WRITE "
276 "for PLL register : %x!\n", err);
277 return err;
278 }
279 }
280 break;
281 case PCXHR_CLOCK_TYPE_WORD_CLOCK:
282 val = PCXHR_FREQ_WORD_CLOCK;
283 break;
284 case PCXHR_CLOCK_TYPE_AES_SYNC:
285 val = PCXHR_FREQ_SYNC_AES;
286 break;
287 case PCXHR_CLOCK_TYPE_AES_1:
288 val = PCXHR_FREQ_AES_1;
289 break;
290 case PCXHR_CLOCK_TYPE_AES_2:
291 val = PCXHR_FREQ_AES_2;
292 break;
293 case PCXHR_CLOCK_TYPE_AES_3:
294 val = PCXHR_FREQ_AES_3;
295 break;
296 case PCXHR_CLOCK_TYPE_AES_4:
297 val = PCXHR_FREQ_AES_4;
298 break;
299 default:
300 return -EINVAL;
301 }
302 *reg = val;
303 *freq = realfreq;
304 return 0;
305 }
306
307
308 static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr,
309 unsigned int rate,
310 int *changed)
311 {
312 unsigned int val, realfreq, speed;
313 struct pcxhr_rmh rmh;
314 int err;
315
316 err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
317 if (err)
318 return err;
319
320 /* codec speed modes */
321 if (rate < 55000)
322 speed = 0; /* single speed */
323 else if (rate < 100000)
324 speed = 1; /* dual speed */
325 else
326 speed = 2; /* quad speed */
327 if (mgr->codec_speed != speed) {
328 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */
329 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
330 if (DSP_EXT_CMD_SET(mgr)) {
331 rmh.cmd[1] = 1;
332 rmh.cmd_len = 2;
333 }
334 err = pcxhr_send_msg(mgr, &rmh);
335 if (err)
336 return err;
337
338 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */
339 rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
340 rmh.cmd[1] = speed;
341 rmh.cmd_len = 2;
342 err = pcxhr_send_msg(mgr, &rmh);
343 if (err)
344 return err;
345 }
346 /* set the new frequency */
347 dev_dbg(&mgr->pci->dev, "clock register : set %x\n", val);
348 err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK,
349 val, changed);
350 if (err)
351 return err;
352
353 mgr->sample_rate_real = realfreq;
354 mgr->cur_clock_type = mgr->use_clock_type;
355
356 /* unmute after codec speed modes */
357 if (mgr->codec_speed != speed) {
358 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */
359 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
360 if (DSP_EXT_CMD_SET(mgr)) {
361 rmh.cmd[1] = 1;
362 rmh.cmd_len = 2;
363 }
364 err = pcxhr_send_msg(mgr, &rmh);
365 if (err)
366 return err;
367 mgr->codec_speed = speed; /* save new codec speed */
368 }
369
370 dev_dbg(&mgr->pci->dev, "pcxhr_sub_set_clock to %dHz (realfreq=%d)\n",
371 rate, realfreq);
372 return 0;
373 }
374
375 #define PCXHR_MODIFY_CLOCK_S_BIT 0x04
376
377 #define PCXHR_IRQ_TIMER_FREQ 92000
378 #define PCXHR_IRQ_TIMER_PERIOD 48
379
380 int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
381 {
382 struct pcxhr_rmh rmh;
383 int err, changed;
384
385 if (rate == 0)
386 return 0; /* nothing to do */
387
388 if (mgr->is_hr_stereo)
389 err = hr222_sub_set_clock(mgr, rate, &changed);
390 else
391 err = pcxhr_sub_set_clock(mgr, rate, &changed);
392
393 if (err)
394 return err;
395
396 if (changed) {
397 pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
398 rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos */
399 if (rate < PCXHR_IRQ_TIMER_FREQ)
400 rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
401 else
402 rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
403 rmh.cmd[2] = rate;
404 rmh.cmd_len = 3;
405 err = pcxhr_send_msg(mgr, &rmh);
406 if (err)
407 return err;
408 }
409 return 0;
410 }
411
412
413 static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr,
414 enum pcxhr_clock_type clock_type,
415 int *sample_rate)
416 {
417 struct pcxhr_rmh rmh;
418 unsigned char reg;
419 int err, rate;
420
421 switch (clock_type) {
422 case PCXHR_CLOCK_TYPE_WORD_CLOCK:
423 reg = REG_STATUS_WORD_CLOCK;
424 break;
425 case PCXHR_CLOCK_TYPE_AES_SYNC:
426 reg = REG_STATUS_AES_SYNC;
427 break;
428 case PCXHR_CLOCK_TYPE_AES_1:
429 reg = REG_STATUS_AES_1;
430 break;
431 case PCXHR_CLOCK_TYPE_AES_2:
432 reg = REG_STATUS_AES_2;
433 break;
434 case PCXHR_CLOCK_TYPE_AES_3:
435 reg = REG_STATUS_AES_3;
436 break;
437 case PCXHR_CLOCK_TYPE_AES_4:
438 reg = REG_STATUS_AES_4;
439 break;
440 default:
441 return -EINVAL;
442 }
443 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
444 rmh.cmd_len = 2;
445 rmh.cmd[0] |= IO_NUM_REG_STATUS;
446 if (mgr->last_reg_stat != reg) {
447 rmh.cmd[1] = reg;
448 err = pcxhr_send_msg(mgr, &rmh);
449 if (err)
450 return err;
451 udelay(100); /* wait minimum 2 sample_frames at 32kHz ! */
452 mgr->last_reg_stat = reg;
453 }
454 rmh.cmd[1] = REG_STATUS_CURRENT;
455 err = pcxhr_send_msg(mgr, &rmh);
456 if (err)
457 return err;
458 switch (rmh.stat[1] & 0x0f) {
459 case REG_STATUS_SYNC_32000 : rate = 32000; break;
460 case REG_STATUS_SYNC_44100 : rate = 44100; break;
461 case REG_STATUS_SYNC_48000 : rate = 48000; break;
462 case REG_STATUS_SYNC_64000 : rate = 64000; break;
463 case REG_STATUS_SYNC_88200 : rate = 88200; break;
464 case REG_STATUS_SYNC_96000 : rate = 96000; break;
465 case REG_STATUS_SYNC_128000 : rate = 128000; break;
466 case REG_STATUS_SYNC_176400 : rate = 176400; break;
467 case REG_STATUS_SYNC_192000 : rate = 192000; break;
468 default: rate = 0;
469 }
470 dev_dbg(&mgr->pci->dev, "External clock is at %d Hz\n", rate);
471 *sample_rate = rate;
472 return 0;
473 }
474
475
476 int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
477 enum pcxhr_clock_type clock_type,
478 int *sample_rate)
479 {
480 if (mgr->is_hr_stereo)
481 return hr222_get_external_clock(mgr, clock_type,
482 sample_rate);
483 else
484 return pcxhr_sub_get_external_clock(mgr, clock_type,
485 sample_rate);
486 }
487
488 /*
489 * start or stop playback/capture substream
490 */
491 static int pcxhr_set_stream_state(struct snd_pcxhr *chip,
492 struct pcxhr_stream *stream)
493 {
494 int err;
495 struct pcxhr_rmh rmh;
496 int stream_mask, start;
497
498 if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
499 start = 1;
500 else {
501 if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
502 dev_err(chip->card->dev,
503 "pcxhr_set_stream_state CANNOT be stopped\n");
504 return -EINVAL;
505 }
506 start = 0;
507 }
508 if (!stream->substream)
509 return -EINVAL;
510
511 stream->timer_abs_periods = 0;
512 stream->timer_period_frag = 0; /* reset theoretical stream pos */
513 stream->timer_buf_periods = 0;
514 stream->timer_is_synced = 0;
515
516 stream_mask =
517 stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
518
519 pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
520 pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
521 stream->pipe->first_audio, 0, stream_mask);
522
523 chip = snd_pcm_substream_chip(stream->substream);
524
525 err = pcxhr_send_msg(chip->mgr, &rmh);
526 if (err)
527 dev_err(chip->card->dev,
528 "ERROR pcxhr_set_stream_state err=%x;\n", err);
529 stream->status =
530 start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
531 return err;
532 }
533
534 #define HEADER_FMT_BASE_LIN 0xfed00000
535 #define HEADER_FMT_BASE_FLOAT 0xfad00000
536 #define HEADER_FMT_INTEL 0x00008000
537 #define HEADER_FMT_24BITS 0x00004000
538 #define HEADER_FMT_16BITS 0x00002000
539 #define HEADER_FMT_UPTO11 0x00000200
540 #define HEADER_FMT_UPTO32 0x00000100
541 #define HEADER_FMT_MONO 0x00000080
542
543 static int pcxhr_set_format(struct pcxhr_stream *stream)
544 {
545 int err, is_capture, sample_rate, stream_num;
546 struct snd_pcxhr *chip;
547 struct pcxhr_rmh rmh;
548 unsigned int header;
549
550 chip = snd_pcm_substream_chip(stream->substream);
551 switch (stream->format) {
552 case SNDRV_PCM_FORMAT_U8:
553 header = HEADER_FMT_BASE_LIN;
554 break;
555 case SNDRV_PCM_FORMAT_S16_LE:
556 header = HEADER_FMT_BASE_LIN |
557 HEADER_FMT_16BITS | HEADER_FMT_INTEL;
558 break;
559 case SNDRV_PCM_FORMAT_S16_BE:
560 header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
561 break;
562 case SNDRV_PCM_FORMAT_S24_3LE:
563 header = HEADER_FMT_BASE_LIN |
564 HEADER_FMT_24BITS | HEADER_FMT_INTEL;
565 break;
566 case SNDRV_PCM_FORMAT_S24_3BE:
567 header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
568 break;
569 case SNDRV_PCM_FORMAT_FLOAT_LE:
570 header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
571 break;
572 default:
573 dev_err(chip->card->dev,
574 "error pcxhr_set_format() : unknown format\n");
575 return -EINVAL;
576 }
577
578 sample_rate = chip->mgr->sample_rate;
579 if (sample_rate <= 32000 && sample_rate !=0) {
580 if (sample_rate <= 11025)
581 header |= HEADER_FMT_UPTO11;
582 else
583 header |= HEADER_FMT_UPTO32;
584 }
585 if (stream->channels == 1)
586 header |= HEADER_FMT_MONO;
587
588 is_capture = stream->pipe->is_capture;
589 stream_num = is_capture ? 0 : stream->substream->number;
590
591 pcxhr_init_rmh(&rmh, is_capture ?
592 CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
593 pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
594 stream_num, 0);
595 if (is_capture) {
596 /* bug with old dsp versions: */
597 /* bit 12 also sets the format of the playback stream */
598 if (DSP_EXT_CMD_SET(chip->mgr))
599 rmh.cmd[0] |= 1<<10;
600 else
601 rmh.cmd[0] |= 1<<12;
602 }
603 rmh.cmd[1] = 0;
604 rmh.cmd_len = 2;
605 if (DSP_EXT_CMD_SET(chip->mgr)) {
606 /* add channels and set bit 19 if channels>2 */
607 rmh.cmd[1] = stream->channels;
608 if (!is_capture) {
609 /* playback : add channel mask to command */
610 rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03;
611 rmh.cmd_len = 3;
612 }
613 }
614 rmh.cmd[rmh.cmd_len++] = header >> 8;
615 rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16;
616 err = pcxhr_send_msg(chip->mgr, &rmh);
617 if (err)
618 dev_err(chip->card->dev,
619 "ERROR pcxhr_set_format err=%x;\n", err);
620 return err;
621 }
622
623 static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
624 {
625 int err, is_capture, stream_num;
626 struct pcxhr_rmh rmh;
627 struct snd_pcm_substream *subs = stream->substream;
628 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
629
630 is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
631 stream_num = is_capture ? 0 : subs->number;
632
633 dev_dbg(chip->card->dev,
634 "pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n",
635 is_capture ? 'c' : 'p',
636 chip->chip_idx, (void *)(long)subs->runtime->dma_addr,
637 subs->runtime->dma_bytes, subs->number);
638
639 pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
640 pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
641 stream_num, 0);
642
643 /* max buffer size is 2 MByte */
644 snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000);
645 /* size in bits */
646 rmh.cmd[1] = subs->runtime->dma_bytes * 8;
647 /* most significant byte */
648 rmh.cmd[2] = subs->runtime->dma_addr >> 24;
649 /* this is a circular buffer */
650 rmh.cmd[2] |= 1<<19;
651 /* least 3 significant bytes */
652 rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD;
653 rmh.cmd_len = 4;
654 err = pcxhr_send_msg(chip->mgr, &rmh);
655 if (err)
656 dev_err(chip->card->dev,
657 "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
658 return err;
659 }
660
661
662 #if 0
663 static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream,
664 snd_pcm_uframes_t *sample_count)
665 {
666 struct pcxhr_rmh rmh;
667 int err;
668 pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
669 pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
670 pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
671 1<<stream->pipe->first_audio);
672 err = pcxhr_send_msg(chip->mgr, &rmh);
673 if (err == 0) {
674 *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
675 *sample_count += (snd_pcm_uframes_t)rmh.stat[1];
676 }
677 dev_dbg(chip->card->dev, "PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
678 return err;
679 }
680 #endif
681
682 static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
683 struct pcxhr_pipe **pipe)
684 {
685 if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
686 *pipe = stream->pipe;
687 return 1;
688 }
689 return 0;
690 }
691
692 static void pcxhr_start_linked_stream(struct pcxhr_mgr *mgr)
693 {
694 int i, j, err;
695 struct pcxhr_pipe *pipe;
696 struct snd_pcxhr *chip;
697 int capture_mask = 0;
698 int playback_mask = 0;
699
700 #ifdef CONFIG_SND_DEBUG_VERBOSE
701 ktime_t start_time, stop_time, diff_time;
702
703 start_time = ktime_get();
704 #endif
705 mutex_lock(&mgr->setup_mutex);
706
707 /* check the pipes concerned and build pipe_array */
708 for (i = 0; i < mgr->num_cards; i++) {
709 chip = mgr->chip[i];
710 for (j = 0; j < chip->nb_streams_capt; j++) {
711 if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
712 capture_mask |= (1 << pipe->first_audio);
713 }
714 for (j = 0; j < chip->nb_streams_play; j++) {
715 if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
716 playback_mask |= (1 << pipe->first_audio);
717 break; /* add only once, as all playback
718 * streams of one chip use the same pipe
719 */
720 }
721 }
722 }
723 if (capture_mask == 0 && playback_mask == 0) {
724 mutex_unlock(&mgr->setup_mutex);
725 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : no pipes\n");
726 return;
727 }
728
729 dev_dbg(&mgr->pci->dev, "pcxhr_start_linked_stream : "
730 "playback_mask=%x capture_mask=%x\n",
731 playback_mask, capture_mask);
732
733 /* synchronous stop of all the pipes concerned */
734 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
735 if (err) {
736 mutex_unlock(&mgr->setup_mutex);
737 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
738 "error stop pipes (P%x C%x)\n",
739 playback_mask, capture_mask);
740 return;
741 }
742
743 /* the dsp lost format and buffer info with the stop pipe */
744 for (i = 0; i < mgr->num_cards; i++) {
745 struct pcxhr_stream *stream;
746 chip = mgr->chip[i];
747 for (j = 0; j < chip->nb_streams_capt; j++) {
748 stream = &chip->capture_stream[j];
749 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
750 err = pcxhr_set_format(stream);
751 err = pcxhr_update_r_buffer(stream);
752 }
753 }
754 for (j = 0; j < chip->nb_streams_play; j++) {
755 stream = &chip->playback_stream[j];
756 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
757 err = pcxhr_set_format(stream);
758 err = pcxhr_update_r_buffer(stream);
759 }
760 }
761 }
762 /* start all the streams */
763 for (i = 0; i < mgr->num_cards; i++) {
764 struct pcxhr_stream *stream;
765 chip = mgr->chip[i];
766 for (j = 0; j < chip->nb_streams_capt; j++) {
767 stream = &chip->capture_stream[j];
768 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
769 err = pcxhr_set_stream_state(chip, stream);
770 }
771 for (j = 0; j < chip->nb_streams_play; j++) {
772 stream = &chip->playback_stream[j];
773 if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
774 err = pcxhr_set_stream_state(chip, stream);
775 }
776 }
777
778 /* synchronous start of all the pipes concerned */
779 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
780 if (err) {
781 mutex_unlock(&mgr->setup_mutex);
782 dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
783 "error start pipes (P%x C%x)\n",
784 playback_mask, capture_mask);
785 return;
786 }
787
788 /* put the streams into the running state now
789 * (increment pointer by interrupt)
790 */
791 mutex_lock(&mgr->lock);
792 for ( i =0; i < mgr->num_cards; i++) {
793 struct pcxhr_stream *stream;
794 chip = mgr->chip[i];
795 for(j = 0; j < chip->nb_streams_capt; j++) {
796 stream = &chip->capture_stream[j];
797 if(stream->status == PCXHR_STREAM_STATUS_STARTED)
798 stream->status = PCXHR_STREAM_STATUS_RUNNING;
799 }
800 for (j = 0; j < chip->nb_streams_play; j++) {
801 stream = &chip->playback_stream[j];
802 if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
803 /* playback will already have advanced ! */
804 stream->timer_period_frag += mgr->granularity;
805 stream->status = PCXHR_STREAM_STATUS_RUNNING;
806 }
807 }
808 }
809 mutex_unlock(&mgr->lock);
810
811 mutex_unlock(&mgr->setup_mutex);
812
813 #ifdef CONFIG_SND_DEBUG_VERBOSE
814 stop_time = ktime_get();
815 diff_time = ktime_sub(stop_time, start_time);
816 dev_dbg(&mgr->pci->dev, "***TRIGGER START*** TIME = %ld (err = %x)\n",
817 (long)(ktime_to_ns(diff_time)), err);
818 #endif
819 }
820
821
822 /*
823 * trigger callback
824 */
825 static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
826 {
827 struct pcxhr_stream *stream;
828 struct snd_pcm_substream *s;
829 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
830
831 switch (cmd) {
832 case SNDRV_PCM_TRIGGER_START:
833 dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_START\n");
834 if (snd_pcm_stream_linked(subs)) {
835 snd_pcm_group_for_each_entry(s, subs) {
836 if (snd_pcm_substream_chip(s) != chip)
837 continue;
838 stream = s->runtime->private_data;
839 stream->status =
840 PCXHR_STREAM_STATUS_SCHEDULE_RUN;
841 snd_pcm_trigger_done(s, subs);
842 }
843 pcxhr_start_linked_stream(chip->mgr);
844 } else {
845 stream = subs->runtime->private_data;
846 dev_dbg(chip->card->dev, "Only one Substream %c %d\n",
847 stream->pipe->is_capture ? 'C' : 'P',
848 stream->pipe->first_audio);
849 if (pcxhr_set_format(stream))
850 return -EINVAL;
851 if (pcxhr_update_r_buffer(stream))
852 return -EINVAL;
853
854 stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
855 if (pcxhr_set_stream_state(chip, stream))
856 return -EINVAL;
857 stream->status = PCXHR_STREAM_STATUS_RUNNING;
858 }
859 break;
860 case SNDRV_PCM_TRIGGER_STOP:
861 dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_STOP\n");
862 snd_pcm_group_for_each_entry(s, subs) {
863 stream = s->runtime->private_data;
864 stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
865 if (pcxhr_set_stream_state(chip, stream))
866 return -EINVAL;
867 snd_pcm_trigger_done(s, subs);
868 }
869 break;
870 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
871 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
872 /* TODO */
873 default:
874 return -EINVAL;
875 }
876 return 0;
877 }
878
879
880 static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
881 {
882 struct pcxhr_rmh rmh;
883 int err;
884
885 pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
886 if (start) {
887 /* last dsp time invalid */
888 mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;
889 rmh.cmd[0] |= mgr->granularity;
890 }
891 err = pcxhr_send_msg(mgr, &rmh);
892 if (err < 0)
893 dev_err(&mgr->pci->dev, "error pcxhr_hardware_timer err(%x)\n",
894 err);
895 return err;
896 }
897
898 /*
899 * prepare callback for all pcms
900 */
901 static int pcxhr_prepare(struct snd_pcm_substream *subs)
902 {
903 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
904 struct pcxhr_mgr *mgr = chip->mgr;
905 int err = 0;
906
907 dev_dbg(chip->card->dev,
908 "pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
909 subs->runtime->period_size, subs->runtime->periods,
910 subs->runtime->buffer_size);
911
912 mutex_lock(&mgr->setup_mutex);
913
914 do {
915 /* only the first stream can choose the sample rate */
916 /* set the clock only once (first stream) */
917 if (mgr->sample_rate != subs->runtime->rate) {
918 err = pcxhr_set_clock(mgr, subs->runtime->rate);
919 if (err)
920 break;
921 if (mgr->sample_rate == 0)
922 /* start the DSP-timer */
923 err = pcxhr_hardware_timer(mgr, 1);
924 mgr->sample_rate = subs->runtime->rate;
925 }
926 } while(0); /* do only once (so we can use break instead of goto) */
927
928 mutex_unlock(&mgr->setup_mutex);
929
930 return err;
931 }
932
933
934 /*
935 * HW_PARAMS callback for all pcms
936 */
937 static int pcxhr_hw_params(struct snd_pcm_substream *subs,
938 struct snd_pcm_hw_params *hw)
939 {
940 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
941 struct pcxhr_mgr *mgr = chip->mgr;
942 struct pcxhr_stream *stream = subs->runtime->private_data;
943 snd_pcm_format_t format;
944 int err;
945 int channels;
946
947 /* set up channels */
948 channels = params_channels(hw);
949
950 /* set up format for the stream */
951 format = params_format(hw);
952
953 mutex_lock(&mgr->setup_mutex);
954
955 stream->channels = channels;
956 stream->format = format;
957
958 /* allocate buffer */
959 err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
960
961 mutex_unlock(&mgr->setup_mutex);
962
963 return err;
964 }
965
966 static int pcxhr_hw_free(struct snd_pcm_substream *subs)
967 {
968 snd_pcm_lib_free_pages(subs);
969 return 0;
970 }
971
972
973 /*
974 * CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
975 */
976 static const struct snd_pcm_hardware pcxhr_caps =
977 {
978 .info = (SNDRV_PCM_INFO_MMAP |
979 SNDRV_PCM_INFO_INTERLEAVED |
980 SNDRV_PCM_INFO_MMAP_VALID |
981 SNDRV_PCM_INFO_SYNC_START),
982 .formats = (SNDRV_PCM_FMTBIT_U8 |
983 SNDRV_PCM_FMTBIT_S16_LE |
984 SNDRV_PCM_FMTBIT_S16_BE |
985 SNDRV_PCM_FMTBIT_S24_3LE |
986 SNDRV_PCM_FMTBIT_S24_3BE |
987 SNDRV_PCM_FMTBIT_FLOAT_LE),
988 .rates = (SNDRV_PCM_RATE_CONTINUOUS |
989 SNDRV_PCM_RATE_8000_192000),
990 .rate_min = 8000,
991 .rate_max = 192000,
992 .channels_min = 1,
993 .channels_max = 2,
994 .buffer_bytes_max = (32*1024),
995 /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
996 .period_bytes_min = (2*PCXHR_GRANULARITY),
997 .period_bytes_max = (16*1024),
998 .periods_min = 2,
999 .periods_max = (32*1024/PCXHR_GRANULARITY),
1000 };
1001
1002
1003 static int pcxhr_open(struct snd_pcm_substream *subs)
1004 {
1005 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1006 struct pcxhr_mgr *mgr = chip->mgr;
1007 struct snd_pcm_runtime *runtime = subs->runtime;
1008 struct pcxhr_stream *stream;
1009 int err;
1010
1011 mutex_lock(&mgr->setup_mutex);
1012
1013 /* copy the struct snd_pcm_hardware struct */
1014 runtime->hw = pcxhr_caps;
1015
1016 if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
1017 dev_dbg(chip->card->dev, "pcxhr_open playback chip%d subs%d\n",
1018 chip->chip_idx, subs->number);
1019 stream = &chip->playback_stream[subs->number];
1020 } else {
1021 dev_dbg(chip->card->dev, "pcxhr_open capture chip%d subs%d\n",
1022 chip->chip_idx, subs->number);
1023 if (mgr->mono_capture)
1024 runtime->hw.channels_max = 1;
1025 else
1026 runtime->hw.channels_min = 2;
1027 stream = &chip->capture_stream[subs->number];
1028 }
1029 if (stream->status != PCXHR_STREAM_STATUS_FREE){
1030 /* streams in use */
1031 dev_err(chip->card->dev, "pcxhr_open chip%d subs%d in use\n",
1032 chip->chip_idx, subs->number);
1033 mutex_unlock(&mgr->setup_mutex);
1034 return -EBUSY;
1035 }
1036
1037 /* float format support is in some cases buggy on stereo cards */
1038 if (mgr->is_hr_stereo)
1039 runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE;
1040
1041 /* buffer-size should better be multiple of period-size */
1042 err = snd_pcm_hw_constraint_integer(runtime,
1043 SNDRV_PCM_HW_PARAM_PERIODS);
1044 if (err < 0) {
1045 mutex_unlock(&mgr->setup_mutex);
1046 return err;
1047 }
1048
1049 /* if a sample rate is already used or fixed by external clock,
1050 * the stream cannot change
1051 */
1052 if (mgr->sample_rate)
1053 runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
1054 else {
1055 if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
1056 int external_rate;
1057 if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
1058 &external_rate) ||
1059 external_rate == 0) {
1060 /* cannot detect the external clock rate */
1061 mutex_unlock(&mgr->setup_mutex);
1062 return -EBUSY;
1063 }
1064 runtime->hw.rate_min = external_rate;
1065 runtime->hw.rate_max = external_rate;
1066 }
1067 }
1068
1069 stream->status = PCXHR_STREAM_STATUS_OPEN;
1070 stream->substream = subs;
1071 stream->channels = 0; /* not configured yet */
1072
1073 runtime->private_data = stream;
1074
1075 /* better get a divisor of granularity values (96 or 192) */
1076 snd_pcm_hw_constraint_step(runtime, 0,
1077 SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
1078 snd_pcm_hw_constraint_step(runtime, 0,
1079 SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32);
1080 snd_pcm_set_sync(subs);
1081
1082 mgr->ref_count_rate++;
1083
1084 mutex_unlock(&mgr->setup_mutex);
1085 return 0;
1086 }
1087
1088
1089 static int pcxhr_close(struct snd_pcm_substream *subs)
1090 {
1091 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1092 struct pcxhr_mgr *mgr = chip->mgr;
1093 struct pcxhr_stream *stream = subs->runtime->private_data;
1094
1095 mutex_lock(&mgr->setup_mutex);
1096
1097 dev_dbg(chip->card->dev, "pcxhr_close chip%d subs%d\n",
1098 chip->chip_idx, subs->number);
1099
1100 /* sample rate released */
1101 if (--mgr->ref_count_rate == 0) {
1102 mgr->sample_rate = 0; /* the sample rate is no more locked */
1103 pcxhr_hardware_timer(mgr, 0); /* stop the DSP-timer */
1104 }
1105
1106 stream->status = PCXHR_STREAM_STATUS_FREE;
1107 stream->substream = NULL;
1108
1109 mutex_unlock(&mgr->setup_mutex);
1110
1111 return 0;
1112 }
1113
1114
1115 static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
1116 {
1117 u_int32_t timer_period_frag;
1118 int timer_buf_periods;
1119 struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1120 struct snd_pcm_runtime *runtime = subs->runtime;
1121 struct pcxhr_stream *stream = runtime->private_data;
1122
1123 mutex_lock(&chip->mgr->lock);
1124
1125 /* get the period fragment and the nb of periods in the buffer */
1126 timer_period_frag = stream->timer_period_frag;
1127 timer_buf_periods = stream->timer_buf_periods;
1128
1129 mutex_unlock(&chip->mgr->lock);
1130
1131 return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
1132 timer_period_frag);
1133 }
1134
1135
1136 static const struct snd_pcm_ops pcxhr_ops = {
1137 .open = pcxhr_open,
1138 .close = pcxhr_close,
1139 .ioctl = snd_pcm_lib_ioctl,
1140 .prepare = pcxhr_prepare,
1141 .hw_params = pcxhr_hw_params,
1142 .hw_free = pcxhr_hw_free,
1143 .trigger = pcxhr_trigger,
1144 .pointer = pcxhr_stream_pointer,
1145 };
1146
1147 /*
1148 */
1149 int pcxhr_create_pcm(struct snd_pcxhr *chip)
1150 {
1151 int err;
1152 struct snd_pcm *pcm;
1153 char name[32];
1154
1155 snprintf(name, sizeof(name), "pcxhr %d", chip->chip_idx);
1156 if ((err = snd_pcm_new(chip->card, name, 0,
1157 chip->nb_streams_play,
1158 chip->nb_streams_capt, &pcm)) < 0) {
1159 dev_err(chip->card->dev, "cannot create pcm %s\n", name);
1160 return err;
1161 }
1162 pcm->private_data = chip;
1163
1164 if (chip->nb_streams_play)
1165 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
1166 if (chip->nb_streams_capt)
1167 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
1168
1169 pcm->info_flags = 0;
1170 pcm->nonatomic = true;
1171 strcpy(pcm->name, name);
1172
1173 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1174 snd_dma_pci_data(chip->mgr->pci),
1175 32*1024, 32*1024);
1176 chip->pcm = pcm;
1177 return 0;
1178 }
1179
1180 static int pcxhr_chip_free(struct snd_pcxhr *chip)
1181 {
1182 kfree(chip);
1183 return 0;
1184 }
1185
1186 static int pcxhr_chip_dev_free(struct snd_device *device)
1187 {
1188 struct snd_pcxhr *chip = device->device_data;
1189 return pcxhr_chip_free(chip);
1190 }
1191
1192
1193 /*
1194 */
1195 static int pcxhr_create(struct pcxhr_mgr *mgr,
1196 struct snd_card *card, int idx)
1197 {
1198 int err;
1199 struct snd_pcxhr *chip;
1200 static struct snd_device_ops ops = {
1201 .dev_free = pcxhr_chip_dev_free,
1202 };
1203
1204 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1205 if (!chip)
1206 return -ENOMEM;
1207
1208 chip->card = card;
1209 chip->chip_idx = idx;
1210 chip->mgr = mgr;
1211
1212 if (idx < mgr->playback_chips)
1213 /* stereo or mono streams */
1214 chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
1215
1216 if (idx < mgr->capture_chips) {
1217 if (mgr->mono_capture)
1218 chip->nb_streams_capt = 2; /* 2 mono streams */
1219 else
1220 chip->nb_streams_capt = 1; /* or 1 stereo stream */
1221 }
1222
1223 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1224 pcxhr_chip_free(chip);
1225 return err;
1226 }
1227
1228 mgr->chip[idx] = chip;
1229
1230 return 0;
1231 }
1232
1233 /* proc interface */
1234 static void pcxhr_proc_info(struct snd_info_entry *entry,
1235 struct snd_info_buffer *buffer)
1236 {
1237 struct snd_pcxhr *chip = entry->private_data;
1238 struct pcxhr_mgr *mgr = chip->mgr;
1239
1240 snd_iprintf(buffer, "\n%s\n", mgr->name);
1241
1242 /* stats available when embedded DSP is running */
1243 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1244 struct pcxhr_rmh rmh;
1245 short ver_maj = (mgr->dsp_version >> 16) & 0xff;
1246 short ver_min = (mgr->dsp_version >> 8) & 0xff;
1247 short ver_build = mgr->dsp_version & 0xff;
1248 snd_iprintf(buffer, "module version %s\n",
1249 PCXHR_DRIVER_VERSION_STRING);
1250 snd_iprintf(buffer, "dsp version %d.%d.%d\n",
1251 ver_maj, ver_min, ver_build);
1252 if (mgr->board_has_analog)
1253 snd_iprintf(buffer, "analog io available\n");
1254 else
1255 snd_iprintf(buffer, "digital only board\n");
1256
1257 /* calc cpu load of the dsp */
1258 pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
1259 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1260 int cur = rmh.stat[0];
1261 int ref = rmh.stat[1];
1262 if (ref > 0) {
1263 if (mgr->sample_rate_real != 0 &&
1264 mgr->sample_rate_real != 48000) {
1265 ref = (ref * 48000) /
1266 mgr->sample_rate_real;
1267 if (mgr->sample_rate_real >=
1268 PCXHR_IRQ_TIMER_FREQ)
1269 ref *= 2;
1270 }
1271 cur = 100 - (100 * cur) / ref;
1272 snd_iprintf(buffer, "cpu load %d%%\n", cur);
1273 snd_iprintf(buffer, "buffer pool %d/%d\n",
1274 rmh.stat[2], rmh.stat[3]);
1275 }
1276 }
1277 snd_iprintf(buffer, "dma granularity : %d\n",
1278 mgr->granularity);
1279 snd_iprintf(buffer, "dsp time errors : %d\n",
1280 mgr->dsp_time_err);
1281 snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
1282 mgr->async_err_pipe_xrun);
1283 snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
1284 mgr->async_err_stream_xrun);
1285 snd_iprintf(buffer, "dsp async last other error : %x\n",
1286 mgr->async_err_other_last);
1287 /* debug zone dsp */
1288 rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
1289 rmh.cmd_len = 1;
1290 rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
1291 rmh.dsp_stat = 0;
1292 rmh.cmd_idx = CMD_LAST_INDEX;
1293 if( ! pcxhr_send_msg(mgr, &rmh) ) {
1294 int i;
1295 if (rmh.stat_len > 8)
1296 rmh.stat_len = 8;
1297 for (i = 0; i < rmh.stat_len; i++)
1298 snd_iprintf(buffer, "debug[%02d] = %06x\n",
1299 i, rmh.stat[i]);
1300 }
1301 } else
1302 snd_iprintf(buffer, "no firmware loaded\n");
1303 snd_iprintf(buffer, "\n");
1304 }
1305 static void pcxhr_proc_sync(struct snd_info_entry *entry,
1306 struct snd_info_buffer *buffer)
1307 {
1308 struct snd_pcxhr *chip = entry->private_data;
1309 struct pcxhr_mgr *mgr = chip->mgr;
1310 static const char *textsHR22[3] = {
1311 "Internal", "AES Sync", "AES 1"
1312 };
1313 static const char *textsPCXHR[7] = {
1314 "Internal", "Word", "AES Sync",
1315 "AES 1", "AES 2", "AES 3", "AES 4"
1316 };
1317 const char **texts;
1318 int max_clock;
1319 if (mgr->is_hr_stereo) {
1320 texts = textsHR22;
1321 max_clock = HR22_CLOCK_TYPE_MAX;
1322 } else {
1323 texts = textsPCXHR;
1324 max_clock = PCXHR_CLOCK_TYPE_MAX;
1325 }
1326
1327 snd_iprintf(buffer, "\n%s\n", mgr->name);
1328 snd_iprintf(buffer, "Current Sample Clock\t: %s\n",
1329 texts[mgr->cur_clock_type]);
1330 snd_iprintf(buffer, "Current Sample Rate\t= %d\n",
1331 mgr->sample_rate_real);
1332 /* commands available when embedded DSP is running */
1333 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1334 int i, err, sample_rate;
1335 for (i = 1; i <= max_clock; i++) {
1336 err = pcxhr_get_external_clock(mgr, i, &sample_rate);
1337 if (err)
1338 break;
1339 snd_iprintf(buffer, "%s Clock\t\t= %d\n",
1340 texts[i], sample_rate);
1341 }
1342 } else
1343 snd_iprintf(buffer, "no firmware loaded\n");
1344 snd_iprintf(buffer, "\n");
1345 }
1346
1347 static void pcxhr_proc_gpio_read(struct snd_info_entry *entry,
1348 struct snd_info_buffer *buffer)
1349 {
1350 struct snd_pcxhr *chip = entry->private_data;
1351 struct pcxhr_mgr *mgr = chip->mgr;
1352 /* commands available when embedded DSP is running */
1353 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1354 /* gpio ports on stereo boards only available */
1355 int value = 0;
1356 hr222_read_gpio(mgr, 1, &value); /* GPI */
1357 snd_iprintf(buffer, "GPI: 0x%x\n", value);
1358 hr222_read_gpio(mgr, 0, &value); /* GP0 */
1359 snd_iprintf(buffer, "GPO: 0x%x\n", value);
1360 } else
1361 snd_iprintf(buffer, "no firmware loaded\n");
1362 snd_iprintf(buffer, "\n");
1363 }
1364 static void pcxhr_proc_gpo_write(struct snd_info_entry *entry,
1365 struct snd_info_buffer *buffer)
1366 {
1367 struct snd_pcxhr *chip = entry->private_data;
1368 struct pcxhr_mgr *mgr = chip->mgr;
1369 char line[64];
1370 int value;
1371 /* commands available when embedded DSP is running */
1372 if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)))
1373 return;
1374 while (!snd_info_get_line(buffer, line, sizeof(line))) {
1375 if (sscanf(line, "GPO: 0x%x", &value) != 1)
1376 continue;
1377 hr222_write_gpo(mgr, value); /* GP0 */
1378 }
1379 }
1380
1381 /* Access to the results of the CMD_GET_TIME_CODE RMH */
1382 #define TIME_CODE_VALID_MASK 0x00800000
1383 #define TIME_CODE_NEW_MASK 0x00400000
1384 #define TIME_CODE_BACK_MASK 0x00200000
1385 #define TIME_CODE_WAIT_MASK 0x00100000
1386
1387 /* Values for the CMD_MANAGE_SIGNAL RMH */
1388 #define MANAGE_SIGNAL_TIME_CODE 0x01
1389 #define MANAGE_SIGNAL_MIDI 0x02
1390
1391 /* linear time code read proc*/
1392 static void pcxhr_proc_ltc(struct snd_info_entry *entry,
1393 struct snd_info_buffer *buffer)
1394 {
1395 struct snd_pcxhr *chip = entry->private_data;
1396 struct pcxhr_mgr *mgr = chip->mgr;
1397 struct pcxhr_rmh rmh;
1398 unsigned int ltcHrs, ltcMin, ltcSec, ltcFrm;
1399 int err;
1400 /* commands available when embedded DSP is running */
1401 if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) {
1402 snd_iprintf(buffer, "no firmware loaded\n");
1403 return;
1404 }
1405 if (!mgr->capture_ltc) {
1406 pcxhr_init_rmh(&rmh, CMD_MANAGE_SIGNAL);
1407 rmh.cmd[0] |= MANAGE_SIGNAL_TIME_CODE;
1408 err = pcxhr_send_msg(mgr, &rmh);
1409 if (err) {
1410 snd_iprintf(buffer, "ltc not activated (%d)\n", err);
1411 return;
1412 }
1413 if (mgr->is_hr_stereo)
1414 hr222_manage_timecode(mgr, 1);
1415 else
1416 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_VALSMPTE,
1417 REG_CONT_VALSMPTE, NULL);
1418 mgr->capture_ltc = 1;
1419 }
1420 pcxhr_init_rmh(&rmh, CMD_GET_TIME_CODE);
1421 err = pcxhr_send_msg(mgr, &rmh);
1422 if (err) {
1423 snd_iprintf(buffer, "ltc read error (err=%d)\n", err);
1424 return ;
1425 }
1426 ltcHrs = 10*((rmh.stat[0] >> 8) & 0x3) + (rmh.stat[0] & 0xf);
1427 ltcMin = 10*((rmh.stat[1] >> 16) & 0x7) + ((rmh.stat[1] >> 8) & 0xf);
1428 ltcSec = 10*(rmh.stat[1] & 0x7) + ((rmh.stat[2] >> 16) & 0xf);
1429 ltcFrm = 10*((rmh.stat[2] >> 8) & 0x3) + (rmh.stat[2] & 0xf);
1430
1431 snd_iprintf(buffer, "timecode: %02u:%02u:%02u-%02u\n",
1432 ltcHrs, ltcMin, ltcSec, ltcFrm);
1433 snd_iprintf(buffer, "raw: 0x%04x%06x%06x\n", rmh.stat[0] & 0x00ffff,
1434 rmh.stat[1] & 0xffffff, rmh.stat[2] & 0xffffff);
1435 /*snd_iprintf(buffer, "dsp ref time: 0x%06x%06x\n",
1436 rmh.stat[3] & 0xffffff, rmh.stat[4] & 0xffffff);*/
1437 if (!(rmh.stat[0] & TIME_CODE_VALID_MASK)) {
1438 snd_iprintf(buffer, "warning: linear timecode not valid\n");
1439 }
1440 }
1441
1442 static void pcxhr_proc_init(struct snd_pcxhr *chip)
1443 {
1444 snd_card_ro_proc_new(chip->card, "info", chip, pcxhr_proc_info);
1445 snd_card_ro_proc_new(chip->card, "sync", chip, pcxhr_proc_sync);
1446 /* gpio available on stereo sound cards only */
1447 if (chip->mgr->is_hr_stereo)
1448 snd_card_rw_proc_new(chip->card, "gpio", chip,
1449 pcxhr_proc_gpio_read,
1450 pcxhr_proc_gpo_write);
1451 snd_card_ro_proc_new(chip->card, "ltc", chip, pcxhr_proc_ltc);
1452 }
1453 /* end of proc interface */
1454
1455 /*
1456 * release all the cards assigned to a manager instance
1457 */
1458 static int pcxhr_free(struct pcxhr_mgr *mgr)
1459 {
1460 unsigned int i;
1461
1462 for (i = 0; i < mgr->num_cards; i++) {
1463 if (mgr->chip[i])
1464 snd_card_free(mgr->chip[i]->card);
1465 }
1466
1467 /* reset board if some firmware was loaded */
1468 if(mgr->dsp_loaded) {
1469 pcxhr_reset_board(mgr);
1470 dev_dbg(&mgr->pci->dev, "reset pcxhr !\n");
1471 }
1472
1473 /* release irq */
1474 if (mgr->irq >= 0)
1475 free_irq(mgr->irq, mgr);
1476
1477 pci_release_regions(mgr->pci);
1478
1479 /* free hostport purgebuffer */
1480 if (mgr->hostport.area) {
1481 snd_dma_free_pages(&mgr->hostport);
1482 mgr->hostport.area = NULL;
1483 }
1484
1485 kfree(mgr->prmh);
1486
1487 pci_disable_device(mgr->pci);
1488 kfree(mgr);
1489 return 0;
1490 }
1491
1492 /*
1493 * probe function - creates the card manager
1494 */
1495 static int pcxhr_probe(struct pci_dev *pci,
1496 const struct pci_device_id *pci_id)
1497 {
1498 static int dev;
1499 struct pcxhr_mgr *mgr;
1500 unsigned int i;
1501 int err;
1502 size_t size;
1503 char *card_name;
1504
1505 if (dev >= SNDRV_CARDS)
1506 return -ENODEV;
1507 if (! enable[dev]) {
1508 dev++;
1509 return -ENOENT;
1510 }
1511
1512 /* enable PCI device */
1513 if ((err = pci_enable_device(pci)) < 0)
1514 return err;
1515 pci_set_master(pci);
1516
1517 /* check if we can restrict PCI DMA transfers to 32 bits */
1518 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) {
1519 dev_err(&pci->dev,
1520 "architecture does not support 32bit PCI busmaster DMA\n");
1521 pci_disable_device(pci);
1522 return -ENXIO;
1523 }
1524
1525 /* alloc card manager */
1526 mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1527 if (! mgr) {
1528 pci_disable_device(pci);
1529 return -ENOMEM;
1530 }
1531
1532 if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) {
1533 kfree(mgr);
1534 pci_disable_device(pci);
1535 return -ENODEV;
1536 }
1537 card_name =
1538 pcxhr_board_params[pci_id->driver_data].board_name;
1539 mgr->playback_chips =
1540 pcxhr_board_params[pci_id->driver_data].playback_chips;
1541 mgr->capture_chips =
1542 pcxhr_board_params[pci_id->driver_data].capture_chips;
1543 mgr->fw_file_set =
1544 pcxhr_board_params[pci_id->driver_data].fw_file_set;
1545 mgr->firmware_num =
1546 pcxhr_board_params[pci_id->driver_data].firmware_num;
1547 mgr->mono_capture = mono[dev];
1548 mgr->is_hr_stereo = (mgr->playback_chips == 1);
1549 mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr);
1550 mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr);
1551
1552 if (mgr->is_hr_stereo)
1553 mgr->granularity = PCXHR_GRANULARITY_HR22;
1554 else
1555 mgr->granularity = PCXHR_GRANULARITY;
1556
1557 /* resource assignment */
1558 if ((err = pci_request_regions(pci, card_name)) < 0) {
1559 kfree(mgr);
1560 pci_disable_device(pci);
1561 return err;
1562 }
1563 for (i = 0; i < 3; i++)
1564 mgr->port[i] = pci_resource_start(pci, i);
1565
1566 mgr->pci = pci;
1567 mgr->irq = -1;
1568
1569 if (request_threaded_irq(pci->irq, pcxhr_interrupt,
1570 pcxhr_threaded_irq, IRQF_SHARED,
1571 KBUILD_MODNAME, mgr)) {
1572 dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq);
1573 pcxhr_free(mgr);
1574 return -EBUSY;
1575 }
1576 mgr->irq = pci->irq;
1577
1578 snprintf(mgr->name, sizeof(mgr->name),
1579 "Digigram at 0x%lx & 0x%lx, 0x%lx irq %i",
1580 mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
1581
1582 /* ISR lock */
1583 mutex_init(&mgr->lock);
1584 mutex_init(&mgr->msg_lock);
1585
1586 /* init setup mutex*/
1587 mutex_init(&mgr->setup_mutex);
1588
1589 mgr->prmh = kmalloc(sizeof(*mgr->prmh) +
1590 sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS -
1591 PCXHR_SIZE_MAX_STATUS),
1592 GFP_KERNEL);
1593 if (! mgr->prmh) {
1594 pcxhr_free(mgr);
1595 return -ENOMEM;
1596 }
1597
1598 for (i=0; i < PCXHR_MAX_CARDS; i++) {
1599 struct snd_card *card;
1600 char tmpid[16];
1601 int idx;
1602
1603 if (i >= max(mgr->playback_chips, mgr->capture_chips))
1604 break;
1605 mgr->num_cards++;
1606
1607 if (index[dev] < 0)
1608 idx = index[dev];
1609 else
1610 idx = index[dev] + i;
1611
1612 snprintf(tmpid, sizeof(tmpid), "%s-%d",
1613 id[dev] ? id[dev] : card_name, i);
1614 err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE,
1615 0, &card);
1616
1617 if (err < 0) {
1618 dev_err(&pci->dev, "cannot allocate the card %d\n", i);
1619 pcxhr_free(mgr);
1620 return err;
1621 }
1622
1623 strcpy(card->driver, DRIVER_NAME);
1624 snprintf(card->shortname, sizeof(card->shortname),
1625 "Digigram [PCM #%d]", i);
1626 snprintf(card->longname, sizeof(card->longname),
1627 "%s [PCM #%d]", mgr->name, i);
1628
1629 if ((err = pcxhr_create(mgr, card, i)) < 0) {
1630 snd_card_free(card);
1631 pcxhr_free(mgr);
1632 return err;
1633 }
1634
1635 if (i == 0)
1636 /* init proc interface only for chip0 */
1637 pcxhr_proc_init(mgr->chip[i]);
1638
1639 if ((err = snd_card_register(card)) < 0) {
1640 pcxhr_free(mgr);
1641 return err;
1642 }
1643 }
1644
1645 /* create hostport purgebuffer */
1646 size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
1647 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1648 size, &mgr->hostport) < 0) {
1649 pcxhr_free(mgr);
1650 return -ENOMEM;
1651 }
1652 /* init purgebuffer */
1653 memset(mgr->hostport.area, 0, size);
1654
1655 /* create a DSP loader */
1656 err = pcxhr_setup_firmware(mgr);
1657 if (err < 0) {
1658 pcxhr_free(mgr);
1659 return err;
1660 }
1661
1662 pci_set_drvdata(pci, mgr);
1663 dev++;
1664 return 0;
1665 }
1666
1667 static void pcxhr_remove(struct pci_dev *pci)
1668 {
1669 pcxhr_free(pci_get_drvdata(pci));
1670 }
1671
1672 static struct pci_driver pcxhr_driver = {
1673 .name = KBUILD_MODNAME,
1674 .id_table = pcxhr_ids,
1675 .probe = pcxhr_probe,
1676 .remove = pcxhr_remove,
1677 };
1678
1679 module_pci_driver(pcxhr_driver);
Linux with added FPC-III support