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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/sound/pci/pcxhr/
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 <asm/io.h>
28#include <sound/core.h>
29#include <sound/hwdep.h>
30#include "pcxhr.h"
31#include "pcxhr_mixer.h"
32#include "pcxhr_hwdep.h"
33#include "pcxhr_core.h"
34#include "pcxhr_mix22.h"
35
36
37#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
38#if !defined(CONFIG_USE_PCXHRLOADER) && !defined(CONFIG_SND_PCXHR)     /* built-in \
39	kernel */
40#define SND_PCXHR_FW_LOADER	/* use the standard firmware loader */
41#endif
42#endif
43
44
45static int pcxhr_sub_init(struct pcxhr_mgr *mgr);
46/*
47 * get basic information and init pcxhr card
48 */
49static 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
105static 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
139void 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 */
171static 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
217
218static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
219{
220	int err, i, j;
221	struct snd_pcxhr *chip;
222	struct pcxhr_pipe *pipe;
223
224	/* allocate the pipes on the dsp */
225	for (i = 0; i < mgr->num_cards; i++) {
226		chip = mgr->chip[i];
227		if (chip->nb_streams_play) {
228			pipe = &chip->playback_pipe;
229			err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
230			if (err)
231				return err;
232			for(j = 0; j < chip->nb_streams_play; j++)
233				chip->playback_stream[j].pipe = pipe;
234		}
235		for (j = 0; j < chip->nb_streams_capt; j++) {
236			pipe = &chip->capture_pipe[j];
237			err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
238			if (err)
239				return err;
240			chip->capture_stream[j].pipe = pipe;
241		}
242	}
243	return 0;
244}
245
246static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
247{
248	int i, j;
249	struct snd_pcxhr *chip;
250	int playback_mask = 0;
251	int capture_mask = 0;
252
253	/* start all 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			playback_mask |= 1 << chip->playback_pipe.first_audio;
258		for (j = 0; j < chip->nb_streams_capt; j++)
259			capture_mask |= 1 << chip->capture_pipe[j].first_audio;
260	}
261	return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
262}
263
264
265static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index,
266			  const struct firmware *dsp)
267{
268	int err, card_index;
269
270	snd_printdd("loading dsp [%d] size = %Zd\n", index, dsp->size);
271
272	switch (index) {
273	case PCXHR_FIRMWARE_XLX_INT_INDEX:
274		pcxhr_reset_xilinx_com(mgr);
275		return pcxhr_load_xilinx_binary(mgr, dsp, 0);
276
277	case PCXHR_FIRMWARE_XLX_COM_INDEX:
278		pcxhr_reset_xilinx_com(mgr);
279		return pcxhr_load_xilinx_binary(mgr, dsp, 1);
280
281	case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
282		pcxhr_reset_dsp(mgr);
283		return pcxhr_load_eeprom_binary(mgr, dsp);
284
285	case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
286		return pcxhr_load_boot_binary(mgr, dsp);
287
288	case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
289		err = pcxhr_load_dsp_binary(mgr, dsp);
290		if (err)
291			return err;
292		break;	/* continue with first init */
293	default:
294		snd_printk(KERN_ERR "wrong file index\n");
295		return -EFAULT;
296	} /* end of switch file index*/
297
298	/* first communication with embedded */
299	err = pcxhr_init_board(mgr);
300        if (err < 0) {
301		snd_printk(KERN_ERR "pcxhr could not be set up\n");
302		return err;
303	}
304	err = pcxhr_config_pipes(mgr);
305        if (err < 0) {
306		snd_printk(KERN_ERR "pcxhr pipes could not be set up\n");
307		return err;
308	}
309       	/* create devices and mixer in accordance with HW options*/
310        for (card_index = 0; card_index < mgr->num_cards; card_index++) {
311		struct snd_pcxhr *chip = mgr->chip[card_index];
312
313		if ((err = pcxhr_create_pcm(chip)) < 0)
314			return err;
315
316		if (card_index == 0) {
317			if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
318				return err;
319		}
320		if ((err = snd_card_register(chip->card)) < 0)
321			return err;
322	}
323	err = pcxhr_start_pipes(mgr);
324        if (err < 0) {
325		snd_printk(KERN_ERR "pcxhr pipes could not be started\n");
326		return err;
327	}
328	snd_printdd("pcxhr firmware downloaded and successfully set up\n");
329
330	return 0;
331}
332
333/*
334 * fw loader entry
335 */
336#ifdef SND_PCXHR_FW_LOADER
337
338int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
339{
340	static char *fw_files[][5] = {
341	[0] = { "xlxint.dat", "xlxc882hr.dat",
342		"dspe882.e56", "dspb882hr.b56", "dspd882.d56" },
343	[1] = { "xlxint.dat", "xlxc882e.dat",
344		"dspe882.e56", "dspb882e.b56", "dspd882.d56" },
345	[2] = { "xlxint.dat", "xlxc1222hr.dat",
346		"dspe882.e56", "dspb1222hr.b56", "dspd1222.d56" },
347	[3] = { "xlxint.dat", "xlxc1222e.dat",
348		"dspe882.e56", "dspb1222e.b56", "dspd1222.d56" },
349	[4] = { NULL, "xlxc222.dat",
350		"dspe924.e56", "dspb924.b56", "dspd222.d56" },
351	[5] = { NULL, "xlxc924.dat",
352		"dspe924.e56", "dspb924.b56", "dspd222.d56" },
353	};
354	char path[32];
355
356	const struct firmware *fw_entry;
357	int i, err;
358	int fw_set = mgr->fw_file_set;
359
360	for (i = 0; i < 5; i++) {
361		if (!fw_files[fw_set][i])
362			continue;
363		sprintf(path, "pcxhr/%s", fw_files[fw_set][i]);
364		if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
365			snd_printk(KERN_ERR "pcxhr: can't load firmware %s\n",
366				   path);
367			return -ENOENT;
368		}
369		/* fake hwdep dsp record */
370		err = pcxhr_dsp_load(mgr, i, fw_entry);
371		release_firmware(fw_entry);
372		if (err < 0)
373			return err;
374		mgr->dsp_loaded |= 1 << i;
375	}
376	return 0;
377}
378
379MODULE_FIRMWARE("pcxhr/xlxint.dat");
380MODULE_FIRMWARE("pcxhr/xlxc882hr.dat");
381MODULE_FIRMWARE("pcxhr/xlxc882e.dat");
382MODULE_FIRMWARE("pcxhr/dspe882.e56");
383MODULE_FIRMWARE("pcxhr/dspb882hr.b56");
384MODULE_FIRMWARE("pcxhr/dspb882e.b56");
385MODULE_FIRMWARE("pcxhr/dspd882.d56");
386
387MODULE_FIRMWARE("pcxhr/xlxc1222hr.dat");
388MODULE_FIRMWARE("pcxhr/xlxc1222e.dat");
389MODULE_FIRMWARE("pcxhr/dspb1222hr.b56");
390MODULE_FIRMWARE("pcxhr/dspb1222e.b56");
391MODULE_FIRMWARE("pcxhr/dspd1222.d56");
392
393MODULE_FIRMWARE("pcxhr/xlxc222.dat");
394MODULE_FIRMWARE("pcxhr/xlxc924.dat");
395MODULE_FIRMWARE("pcxhr/dspe924.e56");
396MODULE_FIRMWARE("pcxhr/dspb924.b56");
397MODULE_FIRMWARE("pcxhr/dspd222.d56");
398
399
400#else /* old style firmware loading */
401
402/* pcxhr hwdep interface id string */
403#define PCXHR_HWDEP_ID       "pcxhr loader"
404
405
406static int pcxhr_hwdep_dsp_status(struct snd_hwdep *hw,
407				  struct snd_hwdep_dsp_status *info)
408{
409	struct pcxhr_mgr *mgr = hw->private_data;
410	sprintf(info->id, "pcxhr%d", mgr->fw_file_set);
411        info->num_dsps = PCXHR_FIRMWARE_FILES_MAX_INDEX;
412
413	if (hw->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))
414		info->chip_ready = 1;
415
416	info->version = PCXHR_DRIVER_VERSION;
417	return 0;
418}
419
420static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw,
421				struct snd_hwdep_dsp_image *dsp)
422{
423	struct pcxhr_mgr *mgr = hw->private_data;
424	int err;
425	struct firmware fw;
426
427	fw.size = dsp->length;
428	fw.data = vmalloc(fw.size);
429	if (! fw.data) {
430		snd_printk(KERN_ERR "pcxhr: cannot allocate dsp image "
431			   "(%lu bytes)\n", (unsigned long)fw.size);
432		return -ENOMEM;
433	}
434	if (copy_from_user((void *)fw.data, dsp->image, dsp->length)) {
435		vfree(fw.data);
436		return -EFAULT;
437	}
438	err = pcxhr_dsp_load(mgr, dsp->index, &fw);
439	vfree(fw.data);
440	if (err < 0)
441		return err;
442	mgr->dsp_loaded |= 1 << dsp->index;
443	return 0;
444}
445
446int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
447{
448	int err;
449	struct snd_hwdep *hw;
450
451	/* only create hwdep interface for first cardX
452	 * (see "index" module parameter)
453	 */
454	err = snd_hwdep_new(mgr->chip[0]->card, PCXHR_HWDEP_ID, 0, &hw);
455	if (err < 0)
456		return err;
457
458	hw->iface = SNDRV_HWDEP_IFACE_PCXHR;
459	hw->private_data = mgr;
460	hw->ops.dsp_status = pcxhr_hwdep_dsp_status;
461	hw->ops.dsp_load = pcxhr_hwdep_dsp_load;
462	hw->exclusive = 1;
463	/* stereo cards don't need fw_file_0 -> dsp_loaded = 1 */
464	hw->dsp_loaded = mgr->is_hr_stereo ? 1 : 0;
465	mgr->dsp_loaded = 0;
466	sprintf(hw->name, PCXHR_HWDEP_ID);
467
468	err = snd_card_register(mgr->chip[0]->card);
469	if (err < 0)
470		return err;
471	return 0;
472}
473
474#endif /* SND_PCXHR_FW_LOADER */
475