xref: /openbmc/linux/sound/pci/pcxhr/pcxhr_hwdep.c (revision db181ce0)
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 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