1 /*
2 * Driver for Digigram pcxhr compatible soundcards
3 *
4 * hwdep device manager
5 *
6 * Copyright (c) 2004 by Digigram <alsa@digigram.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include <linux/interrupt.h>
24 #include <linux/vmalloc.h>
25 #include <linux/firmware.h>
26 #include <linux/pci.h>
27 #include <linux/module.h>
28 #include <asm/io.h>
29 #include <sound/core.h>
30 #include <sound/hwdep.h>
31 #include "pcxhr.h"
32 #include "pcxhr_mixer.h"
33 #include "pcxhr_hwdep.h"
34 #include "pcxhr_core.h"
35 #include "pcxhr_mix22.h"
36
37
38 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
39 #if !defined(CONFIG_USE_PCXHRLOADER) && !defined(CONFIG_SND_PCXHR) /* built-in kernel */
40 #define SND_PCXHR_FW_LOADER /* use the standard firmware loader */
41 #endif
42 #endif
43
44
45 static int pcxhr_sub_init(struct pcxhr_mgr *mgr);
46 /*
47 * get basic information and init pcxhr card
48 */
pcxhr_init_board(struct pcxhr_mgr * mgr)49 static int pcxhr_init_board(struct pcxhr_mgr *mgr)
50 {
51 int err;
52 struct pcxhr_rmh rmh;
53 int card_streams;
54
55 /* calc the number of all streams used */
56 if (mgr->mono_capture)
57 card_streams = mgr->capture_chips * 2;
58 else
59 card_streams = mgr->capture_chips;
60 card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
61
62 /* enable interrupts */
63 pcxhr_enable_dsp(mgr);
64
65 pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
66 err = pcxhr_send_msg(mgr, &rmh);
67 if (err)
68 return err;
69 /* test 8 or 12 phys out */
70 if ((rmh.stat[0] & MASK_FIRST_FIELD) != mgr->playback_chips * 2)
71 return -EINVAL;
72 /* test 8 or 2 phys in */
73 if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) <
74 mgr->capture_chips * 2)
75 return -EINVAL;
76 /* test max nb substream per board */
77 if ((rmh.stat[1] & 0x5F) < card_streams)
78 return -EINVAL;
79 /* test max nb substream per pipe */
80 if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS)
81 return -EINVAL;
82 snd_printdd("supported formats : playback=%x capture=%x\n",
83 rmh.stat[2], rmh.stat[3]);
84
85 pcxhr_init_rmh(&rmh, CMD_VERSION);
86 /* firmware num for DSP */
87 rmh.cmd[0] |= mgr->firmware_num;
88 /* transfer granularity in samples (should be multiple of 48) */
89 rmh.cmd[1] = (1<<23) + mgr->granularity;
90 rmh.cmd_len = 2;
91 err = pcxhr_send_msg(mgr, &rmh);
92 if (err)
93 return err;
94 snd_printdd("PCXHR DSP version is %d.%d.%d\n", (rmh.stat[0]>>16)&0xff,
95 (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
96 mgr->dsp_version = rmh.stat[0];
97
98 if (mgr->is_hr_stereo)
99 err = hr222_sub_init(mgr);
100 else
101 err = pcxhr_sub_init(mgr);
102 return err;
103 }
104
pcxhr_sub_init(struct pcxhr_mgr * mgr)105 static int pcxhr_sub_init(struct pcxhr_mgr *mgr)
106 {
107 int err;
108 struct pcxhr_rmh rmh;
109
110 /* get options */
111 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
112 rmh.cmd[0] |= IO_NUM_REG_STATUS;
113 rmh.cmd[1] = REG_STATUS_OPTIONS;
114 rmh.cmd_len = 2;
115 err = pcxhr_send_msg(mgr, &rmh);
116 if (err)
117 return err;
118
119 if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) ==
120 REG_STATUS_OPT_ANALOG_BOARD)
121 mgr->board_has_analog = 1; /* analog addon board found */
122
123 /* unmute inputs */
124 err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
125 REG_CONT_UNMUTE_INPUTS, NULL);
126 if (err)
127 return err;
128 /* unmute outputs (a write to IO_NUM_REG_MUTE_OUT mutes!) */
129 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
130 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
131 if (DSP_EXT_CMD_SET(mgr)) {
132 rmh.cmd[1] = 1; /* unmute digital plugs */
133 rmh.cmd_len = 2;
134 }
135 err = pcxhr_send_msg(mgr, &rmh);
136 return err;
137 }
138
pcxhr_reset_board(struct pcxhr_mgr * mgr)139 void pcxhr_reset_board(struct pcxhr_mgr *mgr)
140 {
141 struct pcxhr_rmh rmh;
142
143 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
144 /* mute outputs */
145 if (!mgr->is_hr_stereo) {
146 /* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
147 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
148 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
149 pcxhr_send_msg(mgr, &rmh);
150 /* mute inputs */
151 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
152 0, NULL);
153 }
154 /* stereo cards mute with reset of dsp */
155 }
156 /* reset pcxhr dsp */
157 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
158 pcxhr_reset_dsp(mgr);
159 /* reset second xilinx */
160 if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_XLX_COM_INDEX)) {
161 pcxhr_reset_xilinx_com(mgr);
162 mgr->dsp_loaded = 1;
163 }
164 return;
165 }
166
167
168 /*
169 * allocate a playback/capture pipe (pcmp0/pcmc0)
170 */
pcxhr_dsp_allocate_pipe(struct pcxhr_mgr * mgr,struct pcxhr_pipe * pipe,int is_capture,int pin)171 static int pcxhr_dsp_allocate_pipe(struct pcxhr_mgr *mgr,
172 struct pcxhr_pipe *pipe,
173 int is_capture, int pin)
174 {
175 int stream_count, audio_count;
176 int err;
177 struct pcxhr_rmh rmh;
178
179 if (is_capture) {
180 stream_count = 1;
181 if (mgr->mono_capture)
182 audio_count = 1;
183 else
184 audio_count = 2;
185 } else {
186 stream_count = PCXHR_PLAYBACK_STREAMS;
187 audio_count = 2; /* always stereo */
188 }
189 snd_printdd("snd_add_ref_pipe pin(%d) pcm%c0\n",
190 pin, is_capture ? 'c' : 'p');
191 pipe->is_capture = is_capture;
192 pipe->first_audio = pin;
193 /* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
194 pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
195 pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin,
196 audio_count, stream_count);
197 rmh.cmd[1] |= 0x020000; /* add P_PCM_ONLY_MASK */
198 if (DSP_EXT_CMD_SET(mgr)) {
199 /* add channel mask to command */
200 rmh.cmd[rmh.cmd_len++] = (audio_count == 1) ? 0x01 : 0x03;
201 }
202 err = pcxhr_send_msg(mgr, &rmh);
203 if (err < 0) {
204 snd_printk(KERN_ERR "error pipe allocation "
205 "(CMD_RES_PIPE) err=%x!\n", err);
206 return err;
207 }
208 pipe->status = PCXHR_PIPE_DEFINED;
209
210 return 0;
211 }
212
213 /*
214 * free playback/capture pipe (pcmp0/pcmc0)
215 */
216 #if 0
217 static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
218 {
219 struct pcxhr_rmh rmh;
220 int capture_mask = 0;
221 int playback_mask = 0;
222 int err = 0;
223
224 if (pipe->is_capture)
225 capture_mask = (1 << pipe->first_audio);
226 else
227 playback_mask = (1 << pipe->first_audio);
228
229 /* stop one pipe */
230 err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
231 if (err < 0)
232 snd_printk(KERN_ERR "error stopping pipe!\n");
233 /* release the pipe */
234 pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
235 pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio,
236 0, 0);
237 err = pcxhr_send_msg(mgr, &rmh);
238 if (err < 0)
239 snd_printk(KERN_ERR "error pipe release "
240 "(CMD_FREE_PIPE) err(%x)\n", err);
241 pipe->status = PCXHR_PIPE_UNDEFINED;
242 return err;
243 }
244 #endif
245
246
pcxhr_config_pipes(struct pcxhr_mgr * mgr)247 static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
248 {
249 int err, i, j;
250 struct snd_pcxhr *chip;
251 struct pcxhr_pipe *pipe;
252
253 /* allocate the pipes on the dsp */
254 for (i = 0; i < mgr->num_cards; i++) {
255 chip = mgr->chip[i];
256 if (chip->nb_streams_play) {
257 pipe = &chip->playback_pipe;
258 err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
259 if (err)
260 return err;
261 for(j = 0; j < chip->nb_streams_play; j++)
262 chip->playback_stream[j].pipe = pipe;
263 }
264 for (j = 0; j < chip->nb_streams_capt; j++) {
265 pipe = &chip->capture_pipe[j];
266 err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
267 if (err)
268 return err;
269 chip->capture_stream[j].pipe = pipe;
270 }
271 }
272 return 0;
273 }
274
pcxhr_start_pipes(struct pcxhr_mgr * mgr)275 static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
276 {
277 int i, j;
278 struct snd_pcxhr *chip;
279 int playback_mask = 0;
280 int capture_mask = 0;
281
282 /* start all the pipes on the dsp */
283 for (i = 0; i < mgr->num_cards; i++) {
284 chip = mgr->chip[i];
285 if (chip->nb_streams_play)
286 playback_mask |= 1 << chip->playback_pipe.first_audio;
287 for (j = 0; j < chip->nb_streams_capt; j++)
288 capture_mask |= 1 << chip->capture_pipe[j].first_audio;
289 }
290 return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
291 }
292
293
pcxhr_dsp_load(struct pcxhr_mgr * mgr,int index,const struct firmware * dsp)294 static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index,
295 const struct firmware *dsp)
296 {
297 int err, card_index;
298
299 snd_printdd("loading dsp [%d] size = %Zd\n", index, dsp->size);
300
301 switch (index) {
302 case PCXHR_FIRMWARE_XLX_INT_INDEX:
303 pcxhr_reset_xilinx_com(mgr);
304 return pcxhr_load_xilinx_binary(mgr, dsp, 0);
305
306 case PCXHR_FIRMWARE_XLX_COM_INDEX:
307 pcxhr_reset_xilinx_com(mgr);
308 return pcxhr_load_xilinx_binary(mgr, dsp, 1);
309
310 case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
311 pcxhr_reset_dsp(mgr);
312 return pcxhr_load_eeprom_binary(mgr, dsp);
313
314 case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
315 return pcxhr_load_boot_binary(mgr, dsp);
316
317 case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
318 err = pcxhr_load_dsp_binary(mgr, dsp);
319 if (err)
320 return err;
321 break; /* continue with first init */
322 default:
323 snd_printk(KERN_ERR "wrong file index\n");
324 return -EFAULT;
325 } /* end of switch file index*/
326
327 /* first communication with embedded */
328 err = pcxhr_init_board(mgr);
329 if (err < 0) {
330 snd_printk(KERN_ERR "pcxhr could not be set up\n");
331 return err;
332 }
333 err = pcxhr_config_pipes(mgr);
334 if (err < 0) {
335 snd_printk(KERN_ERR "pcxhr pipes could not be set up\n");
336 return err;
337 }
338 /* create devices and mixer in accordance with HW options*/
339 for (card_index = 0; card_index < mgr->num_cards; card_index++) {
340 struct snd_pcxhr *chip = mgr->chip[card_index];
341
342 if ((err = pcxhr_create_pcm(chip)) < 0)
343 return err;
344
345 if (card_index == 0) {
346 if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
347 return err;
348 }
349 if ((err = snd_card_register(chip->card)) < 0)
350 return err;
351 }
352 err = pcxhr_start_pipes(mgr);
353 if (err < 0) {
354 snd_printk(KERN_ERR "pcxhr pipes could not be started\n");
355 return err;
356 }
357 snd_printdd("pcxhr firmware downloaded and successfully set up\n");
358
359 return 0;
360 }
361
362 /*
363 * fw loader entry
364 */
365 #ifdef SND_PCXHR_FW_LOADER
366
pcxhr_setup_firmware(struct pcxhr_mgr * mgr)367 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
368 {
369 static char *fw_files[][5] = {
370 [0] = { "xlxint.dat", "xlxc882hr.dat",
371 "dspe882.e56", "dspb882hr.b56", "dspd882.d56" },
372 [1] = { "xlxint.dat", "xlxc882e.dat",
373 "dspe882.e56", "dspb882e.b56", "dspd882.d56" },
374 [2] = { "xlxint.dat", "xlxc1222hr.dat",
375 "dspe882.e56", "dspb1222hr.b56", "dspd1222.d56" },
376 [3] = { "xlxint.dat", "xlxc1222e.dat",
377 "dspe882.e56", "dspb1222e.b56", "dspd1222.d56" },
378 [4] = { NULL, "xlxc222.dat",
379 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
380 [5] = { NULL, "xlxc924.dat",
381 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
382 };
383 char path[32];
384
385 const struct firmware *fw_entry;
386 int i, err;
387 int fw_set = mgr->fw_file_set;
388
389 for (i = 0; i < 5; i++) {
390 if (!fw_files[fw_set][i])
391 continue;
392 sprintf(path, "pcxhr/%s", fw_files[fw_set][i]);
393 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
394 snd_printk(KERN_ERR "pcxhr: can't load firmware %s\n",
395 path);
396 return -ENOENT;
397 }
398 /* fake hwdep dsp record */
399 err = pcxhr_dsp_load(mgr, i, fw_entry);
400 release_firmware(fw_entry);
401 if (err < 0)
402 return err;
403 mgr->dsp_loaded |= 1 << i;
404 }
405 return 0;
406 }
407
408 MODULE_FIRMWARE("pcxhr/xlxint.dat");
409 MODULE_FIRMWARE("pcxhr/xlxc882hr.dat");
410 MODULE_FIRMWARE("pcxhr/xlxc882e.dat");
411 MODULE_FIRMWARE("pcxhr/dspe882.e56");
412 MODULE_FIRMWARE("pcxhr/dspb882hr.b56");
413 MODULE_FIRMWARE("pcxhr/dspb882e.b56");
414 MODULE_FIRMWARE("pcxhr/dspd882.d56");
415
416 MODULE_FIRMWARE("pcxhr/xlxc1222hr.dat");
417 MODULE_FIRMWARE("pcxhr/xlxc1222e.dat");
418 MODULE_FIRMWARE("pcxhr/dspb1222hr.b56");
419 MODULE_FIRMWARE("pcxhr/dspb1222e.b56");
420 MODULE_FIRMWARE("pcxhr/dspd1222.d56");
421
422 MODULE_FIRMWARE("pcxhr/xlxc222.dat");
423 MODULE_FIRMWARE("pcxhr/xlxc924.dat");
424 MODULE_FIRMWARE("pcxhr/dspe924.e56");
425 MODULE_FIRMWARE("pcxhr/dspb924.b56");
426 MODULE_FIRMWARE("pcxhr/dspd222.d56");
427
428
429 #else /* old style firmware loading */
430
431 /* pcxhr hwdep interface id string */
432 #define PCXHR_HWDEP_ID "pcxhr loader"
433
434
pcxhr_hwdep_dsp_status(struct snd_hwdep * hw,struct snd_hwdep_dsp_status * info)435 static int pcxhr_hwdep_dsp_status(struct snd_hwdep *hw,
436 struct snd_hwdep_dsp_status *info)
437 {
438 struct pcxhr_mgr *mgr = hw->private_data;
439 sprintf(info->id, "pcxhr%d", mgr->fw_file_set);
440 info->num_dsps = PCXHR_FIRMWARE_FILES_MAX_INDEX;
441
442 if (hw->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))
443 info->chip_ready = 1;
444
445 info->version = PCXHR_DRIVER_VERSION;
446 return 0;
447 }
448
pcxhr_hwdep_dsp_load(struct snd_hwdep * hw,struct snd_hwdep_dsp_image * dsp)449 static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw,
450 struct snd_hwdep_dsp_image *dsp)
451 {
452 struct pcxhr_mgr *mgr = hw->private_data;
453 int err;
454 struct firmware fw;
455
456 fw.size = dsp->length;
457 fw.data = vmalloc(fw.size);
458 if (! fw.data) {
459 snd_printk(KERN_ERR "pcxhr: cannot allocate dsp image "
460 "(%lu bytes)\n", (unsigned long)fw.size);
461 return -ENOMEM;
462 }
463 if (copy_from_user((void *)fw.data, dsp->image, dsp->length)) {
464 vfree(fw.data);
465 return -EFAULT;
466 }
467 err = pcxhr_dsp_load(mgr, dsp->index, &fw);
468 vfree(fw.data);
469 if (err < 0)
470 return err;
471 mgr->dsp_loaded |= 1 << dsp->index;
472 return 0;
473 }
474
pcxhr_setup_firmware(struct pcxhr_mgr * mgr)475 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
476 {
477 int err;
478 struct snd_hwdep *hw;
479
480 /* only create hwdep interface for first cardX
481 * (see "index" module parameter)
482 */
483 err = snd_hwdep_new(mgr->chip[0]->card, PCXHR_HWDEP_ID, 0, &hw);
484 if (err < 0)
485 return err;
486
487 hw->iface = SNDRV_HWDEP_IFACE_PCXHR;
488 hw->private_data = mgr;
489 hw->ops.dsp_status = pcxhr_hwdep_dsp_status;
490 hw->ops.dsp_load = pcxhr_hwdep_dsp_load;
491 hw->exclusive = 1;
492 /* stereo cards don't need fw_file_0 -> dsp_loaded = 1 */
493 hw->dsp_loaded = mgr->is_hr_stereo ? 1 : 0;
494 mgr->dsp_loaded = 0;
495 sprintf(hw->name, PCXHR_HWDEP_ID);
496
497 err = snd_card_register(mgr->chip[0]->card);
498 if (err < 0)
499 return err;
500 return 0;
501 }
502
503 #endif /* SND_PCXHR_FW_LOADER */
504