mirror of https://gitee.com/openkylin/linux.git
458 lines
14 KiB
C
458 lines
14 KiB
C
/*
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* Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
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* Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
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* Version: 0.0.18
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*
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* FEATURES currently supported:
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* See ca0106_main.c for features.
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*
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* Changelog:
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* Support interrupts per period.
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* Removed noise from Center/LFE channel when in Analog mode.
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* Rename and remove mixer controls.
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* 0.0.6
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* Use separate card based DMA buffer for periods table list.
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* 0.0.7
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* Change remove and rename ctrls into lists.
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* 0.0.8
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* Try to fix capture sources.
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* 0.0.9
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* Fix AC3 output.
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* Enable S32_LE format support.
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* 0.0.10
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* Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
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* 0.0.11
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* Add Model name recognition.
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* 0.0.12
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* Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
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* Remove redundent "voice" handling.
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* 0.0.13
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* Single trigger call for multi channels.
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* 0.0.14
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* Set limits based on what the sound card hardware can do.
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* playback periods_min=2, periods_max=8
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* capture hw constraints require period_size = n * 64 bytes.
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* playback hw constraints require period_size = n * 64 bytes.
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* 0.0.15
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* Separate ca0106.c into separate functional .c files.
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* 0.0.16
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* Modified Copyright message.
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* 0.0.17
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* Add iec958 file in proc file system to show status of SPDIF in.
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* 0.0.18
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* Implement support for Line-in capture on SB Live 24bit.
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*
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* This code was initially based on code from ALSA's emu10k1x.c which is:
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* Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/moduleparam.h>
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#include <sound/core.h>
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#include <sound/initval.h>
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#include <sound/pcm.h>
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#include <sound/ac97_codec.h>
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#include <sound/info.h>
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#include <sound/asoundef.h>
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#include <asm/io.h>
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#include "ca0106.h"
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#ifdef CONFIG_PROC_FS
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struct snd_ca0106_category_str {
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int val;
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const char *name;
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};
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static struct snd_ca0106_category_str snd_ca0106_con_category[] = {
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{ IEC958_AES1_CON_DAT, "DAT" },
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{ IEC958_AES1_CON_VCR, "VCR" },
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{ IEC958_AES1_CON_MICROPHONE, "microphone" },
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{ IEC958_AES1_CON_SYNTHESIZER, "synthesizer" },
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{ IEC958_AES1_CON_RATE_CONVERTER, "rate converter" },
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{ IEC958_AES1_CON_MIXER, "mixer" },
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{ IEC958_AES1_CON_SAMPLER, "sampler" },
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{ IEC958_AES1_CON_PCM_CODER, "PCM coder" },
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{ IEC958_AES1_CON_IEC908_CD, "CD" },
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{ IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" },
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{ IEC958_AES1_CON_GENERAL, "general" },
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};
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static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value)
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{
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int i;
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u32 status[4];
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status[0] = value & 0xff;
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status[1] = (value >> 8) & 0xff;
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status[2] = (value >> 16) & 0xff;
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status[3] = (value >> 24) & 0xff;
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if (! (status[0] & IEC958_AES0_PROFESSIONAL)) {
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/* consumer */
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snd_iprintf(buffer, "Mode: consumer\n");
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snd_iprintf(buffer, "Data: ");
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if (!(status[0] & IEC958_AES0_NONAUDIO)) {
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snd_iprintf(buffer, "audio\n");
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} else {
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snd_iprintf(buffer, "non-audio\n");
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}
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snd_iprintf(buffer, "Rate: ");
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switch (status[3] & IEC958_AES3_CON_FS) {
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case IEC958_AES3_CON_FS_44100:
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snd_iprintf(buffer, "44100 Hz\n");
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break;
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case IEC958_AES3_CON_FS_48000:
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snd_iprintf(buffer, "48000 Hz\n");
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break;
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case IEC958_AES3_CON_FS_32000:
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snd_iprintf(buffer, "32000 Hz\n");
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break;
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default:
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snd_iprintf(buffer, "unknown\n");
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break;
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}
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snd_iprintf(buffer, "Copyright: ");
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if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
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snd_iprintf(buffer, "permitted\n");
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} else {
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snd_iprintf(buffer, "protected\n");
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}
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snd_iprintf(buffer, "Emphasis: ");
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if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
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snd_iprintf(buffer, "none\n");
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} else {
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snd_iprintf(buffer, "50/15us\n");
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}
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snd_iprintf(buffer, "Category: ");
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for (i = 0; i < ARRAY_SIZE(snd_ca0106_con_category); i++) {
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if ((status[1] & IEC958_AES1_CON_CATEGORY) == snd_ca0106_con_category[i].val) {
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snd_iprintf(buffer, "%s\n", snd_ca0106_con_category[i].name);
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break;
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}
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}
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if (i >= ARRAY_SIZE(snd_ca0106_con_category)) {
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snd_iprintf(buffer, "unknown 0x%x\n", status[1] & IEC958_AES1_CON_CATEGORY);
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}
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snd_iprintf(buffer, "Original: ");
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if (status[1] & IEC958_AES1_CON_ORIGINAL) {
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snd_iprintf(buffer, "original\n");
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} else {
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snd_iprintf(buffer, "1st generation\n");
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}
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snd_iprintf(buffer, "Clock: ");
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switch (status[3] & IEC958_AES3_CON_CLOCK) {
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case IEC958_AES3_CON_CLOCK_1000PPM:
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snd_iprintf(buffer, "1000 ppm\n");
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break;
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case IEC958_AES3_CON_CLOCK_50PPM:
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snd_iprintf(buffer, "50 ppm\n");
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break;
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case IEC958_AES3_CON_CLOCK_VARIABLE:
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snd_iprintf(buffer, "variable pitch\n");
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break;
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default:
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snd_iprintf(buffer, "unknown\n");
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break;
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}
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} else {
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snd_iprintf(buffer, "Mode: professional\n");
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snd_iprintf(buffer, "Data: ");
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if (!(status[0] & IEC958_AES0_NONAUDIO)) {
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snd_iprintf(buffer, "audio\n");
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} else {
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snd_iprintf(buffer, "non-audio\n");
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}
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snd_iprintf(buffer, "Rate: ");
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switch (status[0] & IEC958_AES0_PRO_FS) {
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case IEC958_AES0_PRO_FS_44100:
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snd_iprintf(buffer, "44100 Hz\n");
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break;
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case IEC958_AES0_PRO_FS_48000:
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snd_iprintf(buffer, "48000 Hz\n");
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break;
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case IEC958_AES0_PRO_FS_32000:
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snd_iprintf(buffer, "32000 Hz\n");
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break;
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default:
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snd_iprintf(buffer, "unknown\n");
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break;
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}
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snd_iprintf(buffer, "Rate Locked: ");
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if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
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snd_iprintf(buffer, "no\n");
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else
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snd_iprintf(buffer, "yes\n");
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snd_iprintf(buffer, "Emphasis: ");
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switch (status[0] & IEC958_AES0_PRO_EMPHASIS) {
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case IEC958_AES0_PRO_EMPHASIS_CCITT:
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snd_iprintf(buffer, "CCITT J.17\n");
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break;
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case IEC958_AES0_PRO_EMPHASIS_NONE:
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snd_iprintf(buffer, "none\n");
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break;
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case IEC958_AES0_PRO_EMPHASIS_5015:
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snd_iprintf(buffer, "50/15us\n");
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break;
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case IEC958_AES0_PRO_EMPHASIS_NOTID:
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default:
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snd_iprintf(buffer, "unknown\n");
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break;
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}
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snd_iprintf(buffer, "Stereophonic: ");
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if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
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snd_iprintf(buffer, "stereo\n");
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} else {
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snd_iprintf(buffer, "not indicated\n");
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}
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snd_iprintf(buffer, "Userbits: ");
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switch (status[1] & IEC958_AES1_PRO_USERBITS) {
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case IEC958_AES1_PRO_USERBITS_192:
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snd_iprintf(buffer, "192bit\n");
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break;
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case IEC958_AES1_PRO_USERBITS_UDEF:
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snd_iprintf(buffer, "user-defined\n");
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break;
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default:
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snd_iprintf(buffer, "unknown\n");
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break;
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}
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snd_iprintf(buffer, "Sample Bits: ");
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switch (status[2] & IEC958_AES2_PRO_SBITS) {
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case IEC958_AES2_PRO_SBITS_20:
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snd_iprintf(buffer, "20 bit\n");
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break;
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case IEC958_AES2_PRO_SBITS_24:
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snd_iprintf(buffer, "24 bit\n");
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break;
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case IEC958_AES2_PRO_SBITS_UDEF:
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snd_iprintf(buffer, "user defined\n");
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break;
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default:
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snd_iprintf(buffer, "unknown\n");
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break;
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}
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snd_iprintf(buffer, "Word Length: ");
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switch (status[2] & IEC958_AES2_PRO_WORDLEN) {
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case IEC958_AES2_PRO_WORDLEN_22_18:
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snd_iprintf(buffer, "22 bit or 18 bit\n");
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break;
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case IEC958_AES2_PRO_WORDLEN_23_19:
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snd_iprintf(buffer, "23 bit or 19 bit\n");
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break;
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case IEC958_AES2_PRO_WORDLEN_24_20:
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snd_iprintf(buffer, "24 bit or 20 bit\n");
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break;
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case IEC958_AES2_PRO_WORDLEN_20_16:
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snd_iprintf(buffer, "20 bit or 16 bit\n");
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break;
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default:
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snd_iprintf(buffer, "unknown\n");
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break;
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}
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}
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}
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static void snd_ca0106_proc_iec958(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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u32 value;
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value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, 0);
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snd_iprintf(buffer, "Status: %s, %s, %s\n",
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(value & 0x100000) ? "Rate Locked" : "Not Rate Locked",
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(value & 0x200000) ? "SPDIF Locked" : "No SPDIF Lock",
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(value & 0x400000) ? "Audio Valid" : "No valid audio" );
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snd_iprintf(buffer, "Estimated sample rate: %u\n",
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((value & 0xfffff) * 48000) / 0x8000 );
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if (value & 0x200000) {
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snd_iprintf(buffer, "IEC958/SPDIF input status:\n");
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value = snd_ca0106_ptr_read(emu, SPDIF_INPUT_STATUS, 0);
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snd_ca0106_proc_dump_iec958(buffer, value);
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}
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snd_iprintf(buffer, "\n");
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}
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static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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unsigned long flags;
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char line[64];
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u32 reg, val;
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while (!snd_info_get_line(buffer, line, sizeof(line))) {
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if (sscanf(line, "%x %x", ®, &val) != 2)
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continue;
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if (reg < 0x40 && val <= 0xffffffff) {
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spin_lock_irqsave(&emu->emu_lock, flags);
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outl(val, emu->port + (reg & 0xfffffffc));
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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}
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}
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}
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static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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unsigned long value;
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unsigned long flags;
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int i;
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snd_iprintf(buffer, "Registers:\n\n");
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for(i = 0; i < 0x20; i+=4) {
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spin_lock_irqsave(&emu->emu_lock, flags);
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value = inl(emu->port + i);
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
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}
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}
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static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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unsigned int value;
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unsigned long flags;
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int i;
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snd_iprintf(buffer, "Registers:\n\n");
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for(i = 0; i < 0x20; i+=2) {
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spin_lock_irqsave(&emu->emu_lock, flags);
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value = inw(emu->port + i);
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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snd_iprintf(buffer, "Register %02X: %04X\n", i, value);
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}
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}
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static void snd_ca0106_proc_reg_read8(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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unsigned int value;
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unsigned long flags;
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int i;
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snd_iprintf(buffer, "Registers:\n\n");
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for(i = 0; i < 0x20; i+=1) {
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spin_lock_irqsave(&emu->emu_lock, flags);
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value = inb(emu->port + i);
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spin_unlock_irqrestore(&emu->emu_lock, flags);
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snd_iprintf(buffer, "Register %02X: %02X\n", i, value);
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}
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}
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static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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unsigned long value;
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int i,j;
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snd_iprintf(buffer, "Registers\n");
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for(i = 0; i < 0x40; i++) {
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snd_iprintf(buffer, "%02X: ",i);
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for (j = 0; j < 4; j++) {
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value = snd_ca0106_ptr_read(emu, i, j);
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snd_iprintf(buffer, "%08lX ", value);
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}
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snd_iprintf(buffer, "\n");
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}
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}
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static void snd_ca0106_proc_reg_read2(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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unsigned long value;
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int i,j;
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snd_iprintf(buffer, "Registers\n");
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for(i = 0x40; i < 0x80; i++) {
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snd_iprintf(buffer, "%02X: ",i);
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for (j = 0; j < 4; j++) {
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value = snd_ca0106_ptr_read(emu, i, j);
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snd_iprintf(buffer, "%08lX ", value);
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}
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snd_iprintf(buffer, "\n");
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}
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}
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static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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char line[64];
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unsigned int reg, channel_id , val;
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while (!snd_info_get_line(buffer, line, sizeof(line))) {
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if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
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continue;
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if (reg < 0x80 && val <= 0xffffffff && channel_id <= 3)
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snd_ca0106_ptr_write(emu, reg, channel_id, val);
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}
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}
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static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry,
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struct snd_info_buffer *buffer)
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{
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struct snd_ca0106 *emu = entry->private_data;
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char line[64];
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unsigned int reg, val;
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while (!snd_info_get_line(buffer, line, sizeof(line))) {
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if (sscanf(line, "%x %x", ®, &val) != 2)
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continue;
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if ((reg <= 0x7f) || (val <= 0x1ff)) {
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snd_ca0106_i2c_write(emu, reg, val);
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}
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}
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}
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int __devinit snd_ca0106_proc_init(struct snd_ca0106 * emu)
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{
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struct snd_info_entry *entry;
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if(! snd_card_proc_new(emu->card, "iec958", &entry))
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snd_info_set_text_ops(entry, emu, snd_ca0106_proc_iec958);
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if(! snd_card_proc_new(emu->card, "ca0106_reg32", &entry)) {
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snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read32);
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entry->c.text.write = snd_ca0106_proc_reg_write32;
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entry->mode |= S_IWUSR;
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}
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if(! snd_card_proc_new(emu->card, "ca0106_reg16", &entry))
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snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read16);
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if(! snd_card_proc_new(emu->card, "ca0106_reg8", &entry))
|
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snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read8);
|
|
if(! snd_card_proc_new(emu->card, "ca0106_regs1", &entry)) {
|
|
snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read1);
|
|
entry->c.text.write = snd_ca0106_proc_reg_write;
|
|
entry->mode |= S_IWUSR;
|
|
}
|
|
if(! snd_card_proc_new(emu->card, "ca0106_i2c", &entry)) {
|
|
entry->c.text.write = snd_ca0106_proc_i2c_write;
|
|
entry->private_data = emu;
|
|
entry->mode |= S_IWUSR;
|
|
}
|
|
if(! snd_card_proc_new(emu->card, "ca0106_regs2", &entry))
|
|
snd_info_set_text_ops(entry, emu, snd_ca0106_proc_reg_read2);
|
|
return 0;
|
|
}
|
|
|
|
#endif /* CONFIG_PROC_FS */
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