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

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  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  * Driver for Digigram pcxhr compatible soundcards
  4  *
  5  * hwdep device manager
  6  *
  7  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
  8  */
  9 
 10 #include <linux/interrupt.h>
 11 #include <linux/vmalloc.h>
 12 #include <linux/firmware.h>
 13 #include <linux/pci.h>
 14 #include <linux/module.h>
 15 #include <linux/io.h>
 16 #include <sound/core.h>
 17 #include <sound/hwdep.h>
 18 #include "pcxhr.h"
 19 #include "pcxhr_mixer.h"
 20 #include "pcxhr_hwdep.h"
 21 #include "pcxhr_core.h"
 22 #include "pcxhr_mix22.h"
 23 
 24 
 25 static int pcxhr_sub_init(struct pcxhr_mgr *mgr);
 26 /*
 27  * get basic information and init pcxhr card
 28  */
 29 static int pcxhr_init_board(struct pcxhr_mgr *mgr)
 30 {
 31         int err;
 32         struct pcxhr_rmh rmh;
 33         int card_streams;
 34 
 35         /* calc the number of all streams used */
 36         if (mgr->mono_capture)
 37                 card_streams = mgr->capture_chips * 2;
 38         else
 39                 card_streams = mgr->capture_chips;
 40         card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
 41 
 42         /* enable interrupts */
 43         pcxhr_enable_dsp(mgr);
 44 
 45         pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
 46         err = pcxhr_send_msg(mgr, &rmh);
 47         if (err)
 48                 return err;
 49         /* test 4, 8 or 12 phys out */
 50         if ((rmh.stat[0] & MASK_FIRST_FIELD) < mgr->playback_chips * 2)
 51                 return -EINVAL;
 52         /* test 4, 8 or 2 phys in */
 53         if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) <
 54             mgr->capture_chips * 2)
 55                 return -EINVAL;
 56         /* test max nb substream per board */
 57         if ((rmh.stat[1] & 0x5F) < card_streams)
 58                 return -EINVAL;
 59         /* test max nb substream per pipe */
 60         if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS)
 61                 return -EINVAL;
 62         dev_dbg(&mgr->pci->dev,
 63                 "supported formats : playback=%x capture=%x\n",
 64                     rmh.stat[2], rmh.stat[3]);
 65 
 66         pcxhr_init_rmh(&rmh, CMD_VERSION);
 67         /* firmware num for DSP */
 68         rmh.cmd[0] |= mgr->firmware_num;
 69         /* transfer granularity in samples (should be multiple of 48) */
 70         rmh.cmd[1] = (1<<23) + mgr->granularity;
 71         rmh.cmd_len = 2;
 72         err = pcxhr_send_msg(mgr, &rmh);
 73         if (err)
 74                 return err;
 75         dev_dbg(&mgr->pci->dev,
 76                 "PCXHR DSP version is %d.%d.%d\n", (rmh.stat[0]>>16)&0xff,
 77                     (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
 78         mgr->dsp_version = rmh.stat[0];
 79 
 80         if (mgr->is_hr_stereo)
 81                 err = hr222_sub_init(mgr);
 82         else
 83                 err = pcxhr_sub_init(mgr);
 84         return err;
 85 }
 86 
 87 static int pcxhr_sub_init(struct pcxhr_mgr *mgr)
 88 {
 89         int err;
 90         struct pcxhr_rmh rmh;
 91 
 92         /* get options */
 93         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
 94         rmh.cmd[0] |= IO_NUM_REG_STATUS;
 95         rmh.cmd[1]  = REG_STATUS_OPTIONS;
 96         rmh.cmd_len = 2;
 97         err = pcxhr_send_msg(mgr, &rmh);
 98         if (err)
 99                 return err;
100 
101         if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) ==
102             REG_STATUS_OPT_ANALOG_BOARD)
103                 mgr->board_has_analog = 1;      /* analog addon board found */
104 
105         /* unmute inputs */
106         err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
107                                           REG_CONT_UNMUTE_INPUTS, NULL);
108         if (err)
109                 return err;
110         /* unmute outputs (a write to IO_NUM_REG_MUTE_OUT mutes!) */
111         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
112         rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
113         if (DSP_EXT_CMD_SET(mgr)) {
114                 rmh.cmd[1]  = 1;        /* unmute digital plugs */
115                 rmh.cmd_len = 2;
116         }
117         err = pcxhr_send_msg(mgr, &rmh);
118         return err;
119 }
120 
121 void pcxhr_reset_board(struct pcxhr_mgr *mgr)
122 {
123         struct pcxhr_rmh rmh;
124 
125         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
126                 /* mute outputs */
127             if (!mgr->is_hr_stereo) {
128                 /* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
129                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
130                 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
131                 pcxhr_send_msg(mgr, &rmh);
132                 /* mute inputs */
133                 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
134                                             0, NULL);
135             }
136                 /* stereo cards mute with reset of dsp */
137         }
138         /* reset pcxhr dsp */
139         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
140                 pcxhr_reset_dsp(mgr);
141         /* reset second xilinx */
142         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_XLX_COM_INDEX)) {
143                 pcxhr_reset_xilinx_com(mgr);
144                 mgr->dsp_loaded = 1;
145         }
146         return;
147 }
148 
149 
150 /*
151  *  allocate a playback/capture pipe (pcmp0/pcmc0)
152  */
153 static int pcxhr_dsp_allocate_pipe(struct pcxhr_mgr *mgr,
154                                    struct pcxhr_pipe *pipe,
155                                    int is_capture, int pin)
156 {
157         int stream_count, audio_count;
158         int err;
159         struct pcxhr_rmh rmh;
160 
161         if (is_capture) {
162                 stream_count = 1;
163                 if (mgr->mono_capture)
164                         audio_count = 1;
165                 else
166                         audio_count = 2;
167         } else {
168                 stream_count = PCXHR_PLAYBACK_STREAMS;
169                 audio_count = 2;        /* always stereo */
170         }
171         dev_dbg(&mgr->pci->dev, "snd_add_ref_pipe pin(%d) pcm%c0\n",
172                     pin, is_capture ? 'c' : 'p');
173         pipe->is_capture = is_capture;
174         pipe->first_audio = pin;
175         /* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
176         pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
177         pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin,
178                                   audio_count, stream_count);
179         rmh.cmd[1] |= 0x020000; /* add P_PCM_ONLY_MASK */
180         if (DSP_EXT_CMD_SET(mgr)) {
181                 /* add channel mask to command */
182           rmh.cmd[rmh.cmd_len++] = (audio_count == 1) ? 0x01 : 0x03;
183         }
184         err = pcxhr_send_msg(mgr, &rmh);
185         if (err < 0) {
186                 dev_err(&mgr->pci->dev, "error pipe allocation "
187                            "(CMD_RES_PIPE) err=%x!\n", err);
188                 return err;
189         }
190         pipe->status = PCXHR_PIPE_DEFINED;
191 
192         return 0;
193 }
194 
195 /*
196  *  free playback/capture pipe (pcmp0/pcmc0)
197  */
198 #if 0
199 static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
200 {
201         struct pcxhr_rmh rmh;
202         int capture_mask = 0;
203         int playback_mask = 0;
204         int err = 0;
205 
206         if (pipe->is_capture)
207                 capture_mask  = (1 << pipe->first_audio);
208         else
209                 playback_mask = (1 << pipe->first_audio);
210 
211         /* stop one pipe */
212         err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
213         if (err < 0)
214                 dev_err(&mgr->pci->dev, "error stopping pipe!\n");
215         /* release the pipe */
216         pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
217         pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio,
218                                   0, 0);
219         err = pcxhr_send_msg(mgr, &rmh);
220         if (err < 0)
221                 dev_err(&mgr->pci->dev, "error pipe release "
222                            "(CMD_FREE_PIPE) err(%x)\n", err);
223         pipe->status = PCXHR_PIPE_UNDEFINED;
224         return err;
225 }
226 #endif
227 
228 
229 static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
230 {
231         int err, i, j;
232         struct snd_pcxhr *chip;
233         struct pcxhr_pipe *pipe;
234 
235         /* allocate the pipes on the dsp */
236         for (i = 0; i < mgr->num_cards; i++) {
237                 chip = mgr->chip[i];
238                 if (chip->nb_streams_play) {
239                         pipe = &chip->playback_pipe;
240                         err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
241                         if (err)
242                                 return err;
243                         for(j = 0; j < chip->nb_streams_play; j++)
244                                 chip->playback_stream[j].pipe = pipe;
245                 }
246                 for (j = 0; j < chip->nb_streams_capt; j++) {
247                         pipe = &chip->capture_pipe[j];
248                         err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
249                         if (err)
250                                 return err;
251                         chip->capture_stream[j].pipe = pipe;
252                 }
253         }
254         return 0;
255 }
256 
257 static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
258 {
259         int i, j;
260         struct snd_pcxhr *chip;
261         int playback_mask = 0;
262         int capture_mask = 0;
263 
264         /* start all the pipes on the dsp */
265         for (i = 0; i < mgr->num_cards; i++) {
266                 chip = mgr->chip[i];
267                 if (chip->nb_streams_play)
268                         playback_mask |= 1 << chip->playback_pipe.first_audio;
269                 for (j = 0; j < chip->nb_streams_capt; j++)
270                         capture_mask |= 1 << chip->capture_pipe[j].first_audio;
271         }
272         return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
273 }
274 
275 
276 static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index,
277                           const struct firmware *dsp)
278 {
279         int err, card_index;
280 
281         dev_dbg(&mgr->pci->dev,
282                 "loading dsp [%d] size = %zd\n", index, dsp->size);
283 
284         switch (index) {
285         case PCXHR_FIRMWARE_XLX_INT_INDEX:
286                 pcxhr_reset_xilinx_com(mgr);
287                 return pcxhr_load_xilinx_binary(mgr, dsp, 0);
288 
289         case PCXHR_FIRMWARE_XLX_COM_INDEX:
290                 pcxhr_reset_xilinx_com(mgr);
291                 return pcxhr_load_xilinx_binary(mgr, dsp, 1);
292 
293         case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
294                 pcxhr_reset_dsp(mgr);
295                 return pcxhr_load_eeprom_binary(mgr, dsp);
296 
297         case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
298                 return pcxhr_load_boot_binary(mgr, dsp);
299 
300         case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
301                 err = pcxhr_load_dsp_binary(mgr, dsp);
302                 if (err)
303                         return err;
304                 break;  /* continue with first init */
305         default:
306                 dev_err(&mgr->pci->dev, "wrong file index\n");
307                 return -EFAULT;
308         } /* end of switch file index*/
309 
310         /* first communication with embedded */
311         err = pcxhr_init_board(mgr);
312         if (err < 0) {
313                 dev_err(&mgr->pci->dev, "pcxhr could not be set up\n");
314                 return err;
315         }
316         err = pcxhr_config_pipes(mgr);
317         if (err < 0) {
318                 dev_err(&mgr->pci->dev, "pcxhr pipes could not be set up\n");
319                 return err;
320         }
321         /* create devices and mixer in accordance with HW options*/
322         for (card_index = 0; card_index < mgr->num_cards; card_index++) {
323                 struct snd_pcxhr *chip = mgr->chip[card_index];
324 
325                 if ((err = pcxhr_create_pcm(chip)) < 0)
326                         return err;
327 
328                 if (card_index == 0) {
329                         if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
330                                 return err;
331                 }
332                 if ((err = snd_card_register(chip->card)) < 0)
333                         return err;
334         }
335         err = pcxhr_start_pipes(mgr);
336         if (err < 0) {
337                 dev_err(&mgr->pci->dev, "pcxhr pipes could not be started\n");
338                 return err;
339         }
340         dev_dbg(&mgr->pci->dev,
341                 "pcxhr firmware downloaded and successfully set up\n");
342 
343         return 0;
344 }
345 
346 /*
347  * fw loader entry
348  */
349 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
350 {
351         static char *fw_files[][5] = {
352         [0] = { "xlxint.dat", "xlxc882hr.dat",
353                 "dspe882.e56", "dspb882hr.b56", "dspd882.d56" },
354         [1] = { "xlxint.dat", "xlxc882e.dat",
355                 "dspe882.e56", "dspb882e.b56", "dspd882.d56" },
356         [2] = { "xlxint.dat", "xlxc1222hr.dat",
357                 "dspe882.e56", "dspb1222hr.b56", "dspd1222.d56" },
358         [3] = { "xlxint.dat", "xlxc1222e.dat",
359                 "dspe882.e56", "dspb1222e.b56", "dspd1222.d56" },
360         [4] = { NULL, "xlxc222.dat",
361                 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
362         [5] = { NULL, "xlxc924.dat",
363                 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
364         };
365         char path[32];
366 
367         const struct firmware *fw_entry;
368         int i, err;
369         int fw_set = mgr->fw_file_set;
370 
371         for (i = 0; i < 5; i++) {
372                 if (!fw_files[fw_set][i])
373                         continue;
374                 sprintf(path, "pcxhr/%s", fw_files[fw_set][i]);
375                 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
376                         dev_err(&mgr->pci->dev,
377                                 "pcxhr: can't load firmware %s\n",
378                                    path);
379                         return -ENOENT;
380                 }
381                 /* fake hwdep dsp record */
382                 err = pcxhr_dsp_load(mgr, i, fw_entry);
383                 release_firmware(fw_entry);
384                 if (err < 0)
385                         return err;
386                 mgr->dsp_loaded |= 1 << i;
387         }
388         return 0;
389 }
390 
391 MODULE_FIRMWARE("pcxhr/xlxint.dat");
392 MODULE_FIRMWARE("pcxhr/xlxc882hr.dat");
393 MODULE_FIRMWARE("pcxhr/xlxc882e.dat");
394 MODULE_FIRMWARE("pcxhr/dspe882.e56");
395 MODULE_FIRMWARE("pcxhr/dspb882hr.b56");
396 MODULE_FIRMWARE("pcxhr/dspb882e.b56");
397 MODULE_FIRMWARE("pcxhr/dspd882.d56");
398 
399 MODULE_FIRMWARE("pcxhr/xlxc1222hr.dat");
400 MODULE_FIRMWARE("pcxhr/xlxc1222e.dat");
401 MODULE_FIRMWARE("pcxhr/dspb1222hr.b56");
402 MODULE_FIRMWARE("pcxhr/dspb1222e.b56");
403 MODULE_FIRMWARE("pcxhr/dspd1222.d56");
404 
405 MODULE_FIRMWARE("pcxhr/xlxc222.dat");
406 MODULE_FIRMWARE("pcxhr/xlxc924.dat");
407 MODULE_FIRMWARE("pcxhr/dspe924.e56");
408 MODULE_FIRMWARE("pcxhr/dspb924.b56");
409 MODULE_FIRMWARE("pcxhr/dspd222.d56");
410 

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