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TOMOYO Linux Cross Reference
Linux/sound/pci/pcxhr/pcxhr_hwdep.c

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  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 <linux/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 static int pcxhr_sub_init(struct pcxhr_mgr *mgr);
 39 /*
 40  * get basic information and init pcxhr card
 41  */
 42 static int pcxhr_init_board(struct pcxhr_mgr *mgr)
 43 {
 44         int err;
 45         struct pcxhr_rmh rmh;
 46         int card_streams;
 47 
 48         /* calc the number of all streams used */
 49         if (mgr->mono_capture)
 50                 card_streams = mgr->capture_chips * 2;
 51         else
 52                 card_streams = mgr->capture_chips;
 53         card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
 54 
 55         /* enable interrupts */
 56         pcxhr_enable_dsp(mgr);
 57 
 58         pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
 59         err = pcxhr_send_msg(mgr, &rmh);
 60         if (err)
 61                 return err;
 62         /* test 4, 8 or 12 phys out */
 63         if ((rmh.stat[0] & MASK_FIRST_FIELD) < mgr->playback_chips * 2)
 64                 return -EINVAL;
 65         /* test 4, 8 or 2 phys in */
 66         if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) <
 67             mgr->capture_chips * 2)
 68                 return -EINVAL;
 69         /* test max nb substream per board */
 70         if ((rmh.stat[1] & 0x5F) < card_streams)
 71                 return -EINVAL;
 72         /* test max nb substream per pipe */
 73         if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS)
 74                 return -EINVAL;
 75         dev_dbg(&mgr->pci->dev,
 76                 "supported formats : playback=%x capture=%x\n",
 77                     rmh.stat[2], rmh.stat[3]);
 78 
 79         pcxhr_init_rmh(&rmh, CMD_VERSION);
 80         /* firmware num for DSP */
 81         rmh.cmd[0] |= mgr->firmware_num;
 82         /* transfer granularity in samples (should be multiple of 48) */
 83         rmh.cmd[1] = (1<<23) + mgr->granularity;
 84         rmh.cmd_len = 2;
 85         err = pcxhr_send_msg(mgr, &rmh);
 86         if (err)
 87                 return err;
 88         dev_dbg(&mgr->pci->dev,
 89                 "PCXHR DSP version is %d.%d.%d\n", (rmh.stat[0]>>16)&0xff,
 90                     (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
 91         mgr->dsp_version = rmh.stat[0];
 92 
 93         if (mgr->is_hr_stereo)
 94                 err = hr222_sub_init(mgr);
 95         else
 96                 err = pcxhr_sub_init(mgr);
 97         return err;
 98 }
 99 
100 static int pcxhr_sub_init(struct pcxhr_mgr *mgr)
101 {
102         int err;
103         struct pcxhr_rmh rmh;
104 
105         /* get options */
106         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
107         rmh.cmd[0] |= IO_NUM_REG_STATUS;
108         rmh.cmd[1]  = REG_STATUS_OPTIONS;
109         rmh.cmd_len = 2;
110         err = pcxhr_send_msg(mgr, &rmh);
111         if (err)
112                 return err;
113 
114         if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) ==
115             REG_STATUS_OPT_ANALOG_BOARD)
116                 mgr->board_has_analog = 1;      /* analog addon board found */
117 
118         /* unmute inputs */
119         err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
120                                           REG_CONT_UNMUTE_INPUTS, NULL);
121         if (err)
122                 return err;
123         /* unmute outputs (a write to IO_NUM_REG_MUTE_OUT mutes!) */
124         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
125         rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
126         if (DSP_EXT_CMD_SET(mgr)) {
127                 rmh.cmd[1]  = 1;        /* unmute digital plugs */
128                 rmh.cmd_len = 2;
129         }
130         err = pcxhr_send_msg(mgr, &rmh);
131         return err;
132 }
133 
134 void pcxhr_reset_board(struct pcxhr_mgr *mgr)
135 {
136         struct pcxhr_rmh rmh;
137 
138         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
139                 /* mute outputs */
140             if (!mgr->is_hr_stereo) {
141                 /* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
142                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
143                 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
144                 pcxhr_send_msg(mgr, &rmh);
145                 /* mute inputs */
146                 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
147                                             0, NULL);
148             }
149                 /* stereo cards mute with reset of dsp */
150         }
151         /* reset pcxhr dsp */
152         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
153                 pcxhr_reset_dsp(mgr);
154         /* reset second xilinx */
155         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_XLX_COM_INDEX)) {
156                 pcxhr_reset_xilinx_com(mgr);
157                 mgr->dsp_loaded = 1;
158         }
159         return;
160 }
161 
162 
163 /*
164  *  allocate a playback/capture pipe (pcmp0/pcmc0)
165  */
166 static int pcxhr_dsp_allocate_pipe(struct pcxhr_mgr *mgr,
167                                    struct pcxhr_pipe *pipe,
168                                    int is_capture, int pin)
169 {
170         int stream_count, audio_count;
171         int err;
172         struct pcxhr_rmh rmh;
173 
174         if (is_capture) {
175                 stream_count = 1;
176                 if (mgr->mono_capture)
177                         audio_count = 1;
178                 else
179                         audio_count = 2;
180         } else {
181                 stream_count = PCXHR_PLAYBACK_STREAMS;
182                 audio_count = 2;        /* always stereo */
183         }
184         dev_dbg(&mgr->pci->dev, "snd_add_ref_pipe pin(%d) pcm%c0\n",
185                     pin, is_capture ? 'c' : 'p');
186         pipe->is_capture = is_capture;
187         pipe->first_audio = pin;
188         /* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
189         pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
190         pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin,
191                                   audio_count, stream_count);
192         rmh.cmd[1] |= 0x020000; /* add P_PCM_ONLY_MASK */
193         if (DSP_EXT_CMD_SET(mgr)) {
194                 /* add channel mask to command */
195           rmh.cmd[rmh.cmd_len++] = (audio_count == 1) ? 0x01 : 0x03;
196         }
197         err = pcxhr_send_msg(mgr, &rmh);
198         if (err < 0) {
199                 dev_err(&mgr->pci->dev, "error pipe allocation "
200                            "(CMD_RES_PIPE) err=%x!\n", err);
201                 return err;
202         }
203         pipe->status = PCXHR_PIPE_DEFINED;
204 
205         return 0;
206 }
207 
208 /*
209  *  free playback/capture pipe (pcmp0/pcmc0)
210  */
211 #if 0
212 static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
213 {
214         struct pcxhr_rmh rmh;
215         int capture_mask = 0;
216         int playback_mask = 0;
217         int err = 0;
218 
219         if (pipe->is_capture)
220                 capture_mask  = (1 << pipe->first_audio);
221         else
222                 playback_mask = (1 << pipe->first_audio);
223 
224         /* stop one pipe */
225         err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
226         if (err < 0)
227                 dev_err(&mgr->pci->dev, "error stopping pipe!\n");
228         /* release the pipe */
229         pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
230         pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio,
231                                   0, 0);
232         err = pcxhr_send_msg(mgr, &rmh);
233         if (err < 0)
234                 dev_err(&mgr->pci->dev, "error pipe release "
235                            "(CMD_FREE_PIPE) err(%x)\n", err);
236         pipe->status = PCXHR_PIPE_UNDEFINED;
237         return err;
238 }
239 #endif
240 
241 
242 static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
243 {
244         int err, i, j;
245         struct snd_pcxhr *chip;
246         struct pcxhr_pipe *pipe;
247 
248         /* allocate the pipes on the dsp */
249         for (i = 0; i < mgr->num_cards; i++) {
250                 chip = mgr->chip[i];
251                 if (chip->nb_streams_play) {
252                         pipe = &chip->playback_pipe;
253                         err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
254                         if (err)
255                                 return err;
256                         for(j = 0; j < chip->nb_streams_play; j++)
257                                 chip->playback_stream[j].pipe = pipe;
258                 }
259                 for (j = 0; j < chip->nb_streams_capt; j++) {
260                         pipe = &chip->capture_pipe[j];
261                         err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
262                         if (err)
263                                 return err;
264                         chip->capture_stream[j].pipe = pipe;
265                 }
266         }
267         return 0;
268 }
269 
270 static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
271 {
272         int i, j;
273         struct snd_pcxhr *chip;
274         int playback_mask = 0;
275         int capture_mask = 0;
276 
277         /* start all the pipes on the dsp */
278         for (i = 0; i < mgr->num_cards; i++) {
279                 chip = mgr->chip[i];
280                 if (chip->nb_streams_play)
281                         playback_mask |= 1 << chip->playback_pipe.first_audio;
282                 for (j = 0; j < chip->nb_streams_capt; j++)
283                         capture_mask |= 1 << chip->capture_pipe[j].first_audio;
284         }
285         return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
286 }
287 
288 
289 static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index,
290                           const struct firmware *dsp)
291 {
292         int err, card_index;
293 
294         dev_dbg(&mgr->pci->dev,
295                 "loading dsp [%d] size = %zd\n", index, dsp->size);
296 
297         switch (index) {
298         case PCXHR_FIRMWARE_XLX_INT_INDEX:
299                 pcxhr_reset_xilinx_com(mgr);
300                 return pcxhr_load_xilinx_binary(mgr, dsp, 0);
301 
302         case PCXHR_FIRMWARE_XLX_COM_INDEX:
303                 pcxhr_reset_xilinx_com(mgr);
304                 return pcxhr_load_xilinx_binary(mgr, dsp, 1);
305 
306         case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
307                 pcxhr_reset_dsp(mgr);
308                 return pcxhr_load_eeprom_binary(mgr, dsp);
309 
310         case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
311                 return pcxhr_load_boot_binary(mgr, dsp);
312 
313         case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
314                 err = pcxhr_load_dsp_binary(mgr, dsp);
315                 if (err)
316                         return err;
317                 break;  /* continue with first init */
318         default:
319                 dev_err(&mgr->pci->dev, "wrong file index\n");
320                 return -EFAULT;
321         } /* end of switch file index*/
322 
323         /* first communication with embedded */
324         err = pcxhr_init_board(mgr);
325         if (err < 0) {
326                 dev_err(&mgr->pci->dev, "pcxhr could not be set up\n");
327                 return err;
328         }
329         err = pcxhr_config_pipes(mgr);
330         if (err < 0) {
331                 dev_err(&mgr->pci->dev, "pcxhr pipes could not be set up\n");
332                 return err;
333         }
334         /* create devices and mixer in accordance with HW options*/
335         for (card_index = 0; card_index < mgr->num_cards; card_index++) {
336                 struct snd_pcxhr *chip = mgr->chip[card_index];
337 
338                 if ((err = pcxhr_create_pcm(chip)) < 0)
339                         return err;
340 
341                 if (card_index == 0) {
342                         if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
343                                 return err;
344                 }
345                 if ((err = snd_card_register(chip->card)) < 0)
346                         return err;
347         }
348         err = pcxhr_start_pipes(mgr);
349         if (err < 0) {
350                 dev_err(&mgr->pci->dev, "pcxhr pipes could not be started\n");
351                 return err;
352         }
353         dev_dbg(&mgr->pci->dev,
354                 "pcxhr firmware downloaded and successfully set up\n");
355 
356         return 0;
357 }
358 
359 /*
360  * fw loader entry
361  */
362 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
363 {
364         static char *fw_files[][5] = {
365         [0] = { "xlxint.dat", "xlxc882hr.dat",
366                 "dspe882.e56", "dspb882hr.b56", "dspd882.d56" },
367         [1] = { "xlxint.dat", "xlxc882e.dat",
368                 "dspe882.e56", "dspb882e.b56", "dspd882.d56" },
369         [2] = { "xlxint.dat", "xlxc1222hr.dat",
370                 "dspe882.e56", "dspb1222hr.b56", "dspd1222.d56" },
371         [3] = { "xlxint.dat", "xlxc1222e.dat",
372                 "dspe882.e56", "dspb1222e.b56", "dspd1222.d56" },
373         [4] = { NULL, "xlxc222.dat",
374                 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
375         [5] = { NULL, "xlxc924.dat",
376                 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
377         };
378         char path[32];
379 
380         const struct firmware *fw_entry;
381         int i, err;
382         int fw_set = mgr->fw_file_set;
383 
384         for (i = 0; i < 5; i++) {
385                 if (!fw_files[fw_set][i])
386                         continue;
387                 sprintf(path, "pcxhr/%s", fw_files[fw_set][i]);
388                 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
389                         dev_err(&mgr->pci->dev,
390                                 "pcxhr: can't load firmware %s\n",
391                                    path);
392                         return -ENOENT;
393                 }
394                 /* fake hwdep dsp record */
395                 err = pcxhr_dsp_load(mgr, i, fw_entry);
396                 release_firmware(fw_entry);
397                 if (err < 0)
398                         return err;
399                 mgr->dsp_loaded |= 1 << i;
400         }
401         return 0;
402 }
403 
404 MODULE_FIRMWARE("pcxhr/xlxint.dat");
405 MODULE_FIRMWARE("pcxhr/xlxc882hr.dat");
406 MODULE_FIRMWARE("pcxhr/xlxc882e.dat");
407 MODULE_FIRMWARE("pcxhr/dspe882.e56");
408 MODULE_FIRMWARE("pcxhr/dspb882hr.b56");
409 MODULE_FIRMWARE("pcxhr/dspb882e.b56");
410 MODULE_FIRMWARE("pcxhr/dspd882.d56");
411 
412 MODULE_FIRMWARE("pcxhr/xlxc1222hr.dat");
413 MODULE_FIRMWARE("pcxhr/xlxc1222e.dat");
414 MODULE_FIRMWARE("pcxhr/dspb1222hr.b56");
415 MODULE_FIRMWARE("pcxhr/dspb1222e.b56");
416 MODULE_FIRMWARE("pcxhr/dspd1222.d56");
417 
418 MODULE_FIRMWARE("pcxhr/xlxc222.dat");
419 MODULE_FIRMWARE("pcxhr/xlxc924.dat");
420 MODULE_FIRMWARE("pcxhr/dspe924.e56");
421 MODULE_FIRMWARE("pcxhr/dspb924.b56");
422 MODULE_FIRMWARE("pcxhr/dspd222.d56");
423 

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