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kernel add
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/*
* Support for Digigram Lola PCI-e boards
*
* Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/pcm.h>
#include "lola.h"
static void print_audio_widget(struct snd_info_buffer *buffer,
struct lola *chip, int nid, const char *name)
{
unsigned int val;
lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x
", nid, name, val);
lola_read_param(chip, nid, LOLA_PAR_STREAM_FORMATS, &val);
snd_iprintf(buffer, " Formats: 0x%x
", val);
}
static void print_pin_widget(struct snd_info_buffer *buffer,
struct lola *chip, int nid, unsigned int ampcap,
const char *name)
{
unsigned int val;
lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x
", nid, name, val);
if (val == 0x00400200)
return;
lola_read_param(chip, nid, ampcap, &val);
snd_iprintf(buffer, " Amp-Caps: 0x%x
", val);
snd_iprintf(buffer, " mute=%d, step-size=%d, steps=%d, ofs=%d
",
LOLA_AMP_MUTE_CAPABLE(val),
LOLA_AMP_STEP_SIZE(val),
LOLA_AMP_NUM_STEPS(val),
LOLA_AMP_OFFSET(val));
lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val, NULL);
snd_iprintf(buffer, " Max-level: 0x%x
", val);
}
static void print_clock_widget(struct snd_info_buffer *buffer,
struct lola *chip, int nid)
{
int i, j, num_clocks;
unsigned int val;
lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
snd_iprintf(buffer, "Node 0x%02x [Clock] wcaps 0x%x
", nid, val);
num_clocks = val & 0xff;
for (i = 0; i < num_clocks; i += 4) {
unsigned int res_ex;
unsigned short items[4];
const char *name;
lola_codec_read(chip, nid, LOLA_VERB_GET_CLOCK_LIST,
i, 0, &val, &res_ex);
items[0] = val & 0xfff;
items[1] = (val >> 16) & 0xfff;
items[2] = res_ex & 0xfff;
items[3] = (res_ex >> 16) & 0xfff;
for (j = 0; j < 4; j++) {
unsigned char type = items[j] >> 8;
unsigned int freq = items[j] & 0xff;
if (i + j >= num_clocks)
break;
if (type == LOLA_CLOCK_TYPE_INTERNAL) {
name = "Internal";
freq = lola_sample_rate_convert(freq);
} else if (type == LOLA_CLOCK_TYPE_VIDEO) {
name = "Video";
freq = lola_sample_rate_convert(freq);
} else {
name = "Other";
}
snd_iprintf(buffer, " Clock %d: Type %d:%s, freq=%d
",
i + j, type, name, freq);
}
}
}
static void print_mixer_widget(struct snd_info_buffer *buffer,
struct lola *chip, int nid)
{
unsigned int val;
lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
snd_iprintf(buffer, "Node 0x%02x [Mixer] wcaps 0x%x
", nid, val);
}
static void lola_proc_codec_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct lola *chip = entry->private_data;
unsigned int val;
int i, nid;
lola_read_param(chip, 0, LOLA_PAR_VENDOR_ID, &val);
snd_iprintf(buffer, "Vendor: 0x%08x
", val);
lola_read_param(chip, 1, LOLA_PAR_FUNCTION_TYPE, &val);
snd_iprintf(buffer, "Function Type: %d
", val);
lola_read_param(chip, 1, LOLA_PAR_SPECIFIC_CAPS, &val);
snd_iprintf(buffer, "Specific-Caps: 0x%08x
", val);
snd_iprintf(buffer, " Pins-In %d, Pins-Out %d
",
chip->pin[CAPT].num_pins, chip->pin[PLAY].num_pins);
nid = 2;
for (i = 0; i < chip->pcm[CAPT].num_streams; i++, nid++)
print_audio_widget(buffer, chip, nid, "[Audio-In]");
for (i = 0; i < chip->pcm[PLAY].num_streams; i++, nid++)
print_audio_widget(buffer, chip, nid, "[Audio-Out]");
for (i = 0; i < chip->pin[CAPT].num_pins; i++, nid++)
print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_IN_CAP,
"[Pin-In]");
for (i = 0; i < chip->pin[PLAY].num_pins; i++, nid++)
print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_OUT_CAP,
"[Pin-Out]");
if (LOLA_AFG_CLOCK_WIDGET_PRESENT(chip->lola_caps)) {
print_clock_widget(buffer, chip, nid);
nid++;
}
if (LOLA_AFG_MIXER_WIDGET_PRESENT(chip->lola_caps)) {
print_mixer_widget(buffer, chip, nid);
nid++;
}
}
/* direct codec access for debugging */
static void lola_proc_codec_rw_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct lola *chip = entry->private_data;
char line[64];
unsigned int id, verb, data, extdata;
while (!snd_info_get_line(buffer, line, sizeof(line))) {
if (sscanf(line, "%u %u %u %u", &id, &verb, &data, &extdata) != 4)
continue;
lola_codec_read(chip, id, verb, data, extdata,
&chip->debug_res,
&chip->debug_res_ex);
}
}
static void lola_proc_codec_rw_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct lola *chip = entry->private_data;
snd_iprintf(buffer, "0x%x 0x%x
", chip->debug_res, chip->debug_res_ex);
}
/*
* dump some registers
*/
static void lola_proc_regs_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct lola *chip = entry->private_data;
int i;
for (i = 0; i < 0x40; i += 4) {
snd_iprintf(buffer, "BAR0 %02x: %08x
", i,
readl(chip->bar[BAR0].remap_addr + i));
}
snd_iprintf(buffer, "
");
for (i = 0; i < 0x30; i += 4) {
snd_iprintf(buffer, "BAR1 %02x: %08x
", i,
readl(chip->bar[BAR1].remap_addr + i));
}
snd_iprintf(buffer, "
");
for (i = 0x80; i < 0xa0; i += 4) {
snd_iprintf(buffer, "BAR1 %02x: %08x
", i,
readl(chip->bar[BAR1].remap_addr + i));
}
snd_iprintf(buffer, "
");
for (i = 0; i < 32; i++) {
snd_iprintf(buffer, "DSD %02x STS %08x
", i,
lola_dsd_read(chip, i, STS));
snd_iprintf(buffer, "DSD %02x LPIB %08x
", i,
lola_dsd_read(chip, i, LPIB));
snd_iprintf(buffer, "DSD %02x CTL %08x
", i,
lola_dsd_read(chip, i, CTL));
snd_iprintf(buffer, "DSD %02x LVIL %08x
", i,
lola_dsd_read(chip, i, LVI));
snd_iprintf(buffer, "DSD %02x BDPL %08x
", i,
lola_dsd_read(chip, i, BDPL));
snd_iprintf(buffer, "DSD %02x BDPU %08x
", i,
lola_dsd_read(chip, i, BDPU));
}
}
void lola_proc_debug_new(struct lola *chip)
{
struct snd_info_entry *entry;
if (!snd_card_proc_new(chip->card, "codec", &entry))
snd_info_set_text_ops(entry, chip, lola_proc_codec_read);
if (!snd_card_proc_new(chip->card, "codec_rw", &entry)) {
snd_info_set_text_ops(entry, chip, lola_proc_codec_rw_read);
entry->mode |= S_IWUSR;
entry->c.text.write = lola_proc_codec_rw_write;
}
if (!snd_card_proc_new(chip->card, "regs", &entry))
snd_info_set_text_ops(entry, chip, lola_proc_regs_read);
}
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