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linux-stable/sound/pci/ca0106/ca0106_proc.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program if not write to the free software foundation inc
  59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
* Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
* Version: 0.0.18
*
* FEATURES currently supported:
* See ca0106_main.c for features.
*
* Changelog:
* Support interrupts per period.
* Removed noise from Center/LFE channel when in Analog mode.
* Rename and remove mixer controls.
* 0.0.6
* Use separate card based DMA buffer for periods table list.
* 0.0.7
* Change remove and rename ctrls into lists.
* 0.0.8
* Try to fix capture sources.
* 0.0.9
* Fix AC3 output.
* Enable S32_LE format support.
* 0.0.10
* Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
* 0.0.11
* Add Model name recognition.
* 0.0.12
* Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
* Remove redundent "voice" handling.
* 0.0.13
* Single trigger call for multi channels.
* 0.0.14
* Set limits based on what the sound card hardware can do.
* playback periods_min=2, periods_max=8
* capture hw constraints require period_size = n * 64 bytes.
* playback hw constraints require period_size = n * 64 bytes.
* 0.0.15
* Separate ca0106.c into separate functional .c files.
* 0.0.16
* Modified Copyright message.
* 0.0.17
* Add iec958 file in proc file system to show status of SPDIF in.
* 0.0.18
* Implement support for Line-in capture on SB Live 24bit.
*
* This code was initially based on code from ALSA's emu10k1x.c which is:
* Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
*/
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/info.h>
#include <sound/asoundef.h>
#include "ca0106.h"
struct snd_ca0106_category_str {
int val;
const char *name;
};
static struct snd_ca0106_category_str snd_ca0106_con_category[] = {
{ IEC958_AES1_CON_DAT, "DAT" },
{ IEC958_AES1_CON_VCR, "VCR" },
{ IEC958_AES1_CON_MICROPHONE, "microphone" },
{ IEC958_AES1_CON_SYNTHESIZER, "synthesizer" },
{ IEC958_AES1_CON_RATE_CONVERTER, "rate converter" },
{ IEC958_AES1_CON_MIXER, "mixer" },
{ IEC958_AES1_CON_SAMPLER, "sampler" },
{ IEC958_AES1_CON_PCM_CODER, "PCM coder" },
{ IEC958_AES1_CON_IEC908_CD, "CD" },
{ IEC958_AES1_CON_NON_IEC908_CD, "non-IEC908 CD" },
{ IEC958_AES1_CON_GENERAL, "general" },
};
static void snd_ca0106_proc_dump_iec958( struct snd_info_buffer *buffer, u32 value)
{
int i;
u32 status[4];
status[0] = value & 0xff;
status[1] = (value >> 8) & 0xff;
status[2] = (value >> 16) & 0xff;
status[3] = (value >> 24) & 0xff;
if (! (status[0] & IEC958_AES0_PROFESSIONAL)) {
/* consumer */
snd_iprintf(buffer, "Mode: consumer\n");
snd_iprintf(buffer, "Data: ");
if (!(status[0] & IEC958_AES0_NONAUDIO)) {
snd_iprintf(buffer, "audio\n");
} else {
snd_iprintf(buffer, "non-audio\n");
}
snd_iprintf(buffer, "Rate: ");
switch (status[3] & IEC958_AES3_CON_FS) {
case IEC958_AES3_CON_FS_44100:
snd_iprintf(buffer, "44100 Hz\n");
break;
case IEC958_AES3_CON_FS_48000:
snd_iprintf(buffer, "48000 Hz\n");
break;
case IEC958_AES3_CON_FS_32000:
snd_iprintf(buffer, "32000 Hz\n");
break;
default:
snd_iprintf(buffer, "unknown\n");
break;
}
snd_iprintf(buffer, "Copyright: ");
if (status[0] & IEC958_AES0_CON_NOT_COPYRIGHT) {
snd_iprintf(buffer, "permitted\n");
} else {
snd_iprintf(buffer, "protected\n");
}
snd_iprintf(buffer, "Emphasis: ");
if ((status[0] & IEC958_AES0_CON_EMPHASIS) != IEC958_AES0_CON_EMPHASIS_5015) {
snd_iprintf(buffer, "none\n");
} else {
snd_iprintf(buffer, "50/15us\n");
}
snd_iprintf(buffer, "Category: ");
for (i = 0; i < ARRAY_SIZE(snd_ca0106_con_category); i++) {
if ((status[1] & IEC958_AES1_CON_CATEGORY) == snd_ca0106_con_category[i].val) {
snd_iprintf(buffer, "%s\n", snd_ca0106_con_category[i].name);
break;
}
}
if (i >= ARRAY_SIZE(snd_ca0106_con_category)) {
snd_iprintf(buffer, "unknown 0x%x\n", status[1] & IEC958_AES1_CON_CATEGORY);
}
snd_iprintf(buffer, "Original: ");
if (status[1] & IEC958_AES1_CON_ORIGINAL) {
snd_iprintf(buffer, "original\n");
} else {
snd_iprintf(buffer, "1st generation\n");
}
snd_iprintf(buffer, "Clock: ");
switch (status[3] & IEC958_AES3_CON_CLOCK) {
case IEC958_AES3_CON_CLOCK_1000PPM:
snd_iprintf(buffer, "1000 ppm\n");
break;
case IEC958_AES3_CON_CLOCK_50PPM:
snd_iprintf(buffer, "50 ppm\n");
break;
case IEC958_AES3_CON_CLOCK_VARIABLE:
snd_iprintf(buffer, "variable pitch\n");
break;
default:
snd_iprintf(buffer, "unknown\n");
break;
}
} else {
snd_iprintf(buffer, "Mode: professional\n");
snd_iprintf(buffer, "Data: ");
if (!(status[0] & IEC958_AES0_NONAUDIO)) {
snd_iprintf(buffer, "audio\n");
} else {
snd_iprintf(buffer, "non-audio\n");
}
snd_iprintf(buffer, "Rate: ");
switch (status[0] & IEC958_AES0_PRO_FS) {
case IEC958_AES0_PRO_FS_44100:
snd_iprintf(buffer, "44100 Hz\n");
break;
case IEC958_AES0_PRO_FS_48000:
snd_iprintf(buffer, "48000 Hz\n");
break;
case IEC958_AES0_PRO_FS_32000:
snd_iprintf(buffer, "32000 Hz\n");
break;
default:
snd_iprintf(buffer, "unknown\n");
break;
}
snd_iprintf(buffer, "Rate Locked: ");
if (status[0] & IEC958_AES0_PRO_FREQ_UNLOCKED)
snd_iprintf(buffer, "no\n");
else
snd_iprintf(buffer, "yes\n");
snd_iprintf(buffer, "Emphasis: ");
switch (status[0] & IEC958_AES0_PRO_EMPHASIS) {
case IEC958_AES0_PRO_EMPHASIS_CCITT:
snd_iprintf(buffer, "CCITT J.17\n");
break;
case IEC958_AES0_PRO_EMPHASIS_NONE:
snd_iprintf(buffer, "none\n");
break;
case IEC958_AES0_PRO_EMPHASIS_5015:
snd_iprintf(buffer, "50/15us\n");
break;
case IEC958_AES0_PRO_EMPHASIS_NOTID:
default:
snd_iprintf(buffer, "unknown\n");
break;
}
snd_iprintf(buffer, "Stereophonic: ");
if ((status[1] & IEC958_AES1_PRO_MODE) == IEC958_AES1_PRO_MODE_STEREOPHONIC) {
snd_iprintf(buffer, "stereo\n");
} else {
snd_iprintf(buffer, "not indicated\n");
}
snd_iprintf(buffer, "Userbits: ");
switch (status[1] & IEC958_AES1_PRO_USERBITS) {
case IEC958_AES1_PRO_USERBITS_192:
snd_iprintf(buffer, "192bit\n");
break;
case IEC958_AES1_PRO_USERBITS_UDEF:
snd_iprintf(buffer, "user-defined\n");
break;
default:
snd_iprintf(buffer, "unknown\n");
break;
}
snd_iprintf(buffer, "Sample Bits: ");
switch (status[2] & IEC958_AES2_PRO_SBITS) {
case IEC958_AES2_PRO_SBITS_20:
snd_iprintf(buffer, "20 bit\n");
break;
case IEC958_AES2_PRO_SBITS_24:
snd_iprintf(buffer, "24 bit\n");
break;
case IEC958_AES2_PRO_SBITS_UDEF:
snd_iprintf(buffer, "user defined\n");
break;
default:
snd_iprintf(buffer, "unknown\n");
break;
}
snd_iprintf(buffer, "Word Length: ");
switch (status[2] & IEC958_AES2_PRO_WORDLEN) {
case IEC958_AES2_PRO_WORDLEN_22_18:
snd_iprintf(buffer, "22 bit or 18 bit\n");
break;
case IEC958_AES2_PRO_WORDLEN_23_19:
snd_iprintf(buffer, "23 bit or 19 bit\n");
break;
case IEC958_AES2_PRO_WORDLEN_24_20:
snd_iprintf(buffer, "24 bit or 20 bit\n");
break;
case IEC958_AES2_PRO_WORDLEN_20_16:
snd_iprintf(buffer, "20 bit or 16 bit\n");
break;
default:
snd_iprintf(buffer, "unknown\n");
break;
}
}
}
static void snd_ca0106_proc_iec958(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
u32 value;
value = snd_ca0106_ptr_read(emu, SAMPLE_RATE_TRACKER_STATUS, 0);
snd_iprintf(buffer, "Status: %s, %s, %s\n",
(value & 0x100000) ? "Rate Locked" : "Not Rate Locked",
(value & 0x200000) ? "SPDIF Locked" : "No SPDIF Lock",
(value & 0x400000) ? "Audio Valid" : "No valid audio" );
snd_iprintf(buffer, "Estimated sample rate: %u\n",
((value & 0xfffff) * 48000) / 0x8000 );
if (value & 0x200000) {
snd_iprintf(buffer, "IEC958/SPDIF input status:\n");
value = snd_ca0106_ptr_read(emu, SPDIF_INPUT_STATUS, 0);
snd_ca0106_proc_dump_iec958(buffer, value);
}
snd_iprintf(buffer, "\n");
}
static void snd_ca0106_proc_reg_write32(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
unsigned long flags;
char line[64];
u32 reg, val;
while (!snd_info_get_line(buffer, line, sizeof(line))) {
if (sscanf(line, "%x %x", &reg, &val) != 2)
continue;
if (reg < 0x40 && val <= 0xffffffff) {
spin_lock_irqsave(&emu->emu_lock, flags);
outl(val, emu->port + (reg & 0xfffffffc));
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
}
}
static void snd_ca0106_proc_reg_read32(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
unsigned long value;
unsigned long flags;
int i;
snd_iprintf(buffer, "Registers:\n\n");
for(i = 0; i < 0x20; i+=4) {
spin_lock_irqsave(&emu->emu_lock, flags);
value = inl(emu->port + i);
spin_unlock_irqrestore(&emu->emu_lock, flags);
snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
}
}
static void snd_ca0106_proc_reg_read16(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
unsigned int value;
unsigned long flags;
int i;
snd_iprintf(buffer, "Registers:\n\n");
for(i = 0; i < 0x20; i+=2) {
spin_lock_irqsave(&emu->emu_lock, flags);
value = inw(emu->port + i);
spin_unlock_irqrestore(&emu->emu_lock, flags);
snd_iprintf(buffer, "Register %02X: %04X\n", i, value);
}
}
static void snd_ca0106_proc_reg_read8(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
unsigned int value;
unsigned long flags;
int i;
snd_iprintf(buffer, "Registers:\n\n");
for(i = 0; i < 0x20; i+=1) {
spin_lock_irqsave(&emu->emu_lock, flags);
value = inb(emu->port + i);
spin_unlock_irqrestore(&emu->emu_lock, flags);
snd_iprintf(buffer, "Register %02X: %02X\n", i, value);
}
}
static void snd_ca0106_proc_reg_read1(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
unsigned long value;
int i,j;
snd_iprintf(buffer, "Registers\n");
for(i = 0; i < 0x40; i++) {
snd_iprintf(buffer, "%02X: ",i);
for (j = 0; j < 4; j++) {
value = snd_ca0106_ptr_read(emu, i, j);
snd_iprintf(buffer, "%08lX ", value);
}
snd_iprintf(buffer, "\n");
}
}
static void snd_ca0106_proc_reg_read2(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
unsigned long value;
int i,j;
snd_iprintf(buffer, "Registers\n");
for(i = 0x40; i < 0x80; i++) {
snd_iprintf(buffer, "%02X: ",i);
for (j = 0; j < 4; j++) {
value = snd_ca0106_ptr_read(emu, i, j);
snd_iprintf(buffer, "%08lX ", value);
}
snd_iprintf(buffer, "\n");
}
}
static void snd_ca0106_proc_reg_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
char line[64];
unsigned int reg, channel_id , val;
while (!snd_info_get_line(buffer, line, sizeof(line))) {
if (sscanf(line, "%x %x %x", &reg, &channel_id, &val) != 3)
continue;
if (reg < 0x80 && val <= 0xffffffff && channel_id <= 3)
snd_ca0106_ptr_write(emu, reg, channel_id, val);
}
}
static void snd_ca0106_proc_i2c_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_ca0106 *emu = entry->private_data;
char line[64];
unsigned int reg, val;
while (!snd_info_get_line(buffer, line, sizeof(line))) {
if (sscanf(line, "%x %x", &reg, &val) != 2)
continue;
if ((reg <= 0x7f) || (val <= 0x1ff)) {
snd_ca0106_i2c_write(emu, reg, val);
}
}
}
int snd_ca0106_proc_init(struct snd_ca0106 *emu)
{
snd_card_ro_proc_new(emu->card, "iec958", emu, snd_ca0106_proc_iec958);
snd_card_rw_proc_new(emu->card, "ca0106_reg32", emu,
snd_ca0106_proc_reg_read32,
snd_ca0106_proc_reg_write32);
snd_card_ro_proc_new(emu->card, "ca0106_reg16", emu,
snd_ca0106_proc_reg_read16);
snd_card_ro_proc_new(emu->card, "ca0106_reg8", emu,
snd_ca0106_proc_reg_read8);
snd_card_rw_proc_new(emu->card, "ca0106_regs1", emu,
snd_ca0106_proc_reg_read1,
snd_ca0106_proc_reg_write);
snd_card_rw_proc_new(emu->card, "ca0106_i2c", emu, NULL,
snd_ca0106_proc_i2c_write);
snd_card_ro_proc_new(emu->card, "ca0106_regs2", emu,
snd_ca0106_proc_reg_read2);
return 0;
}
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