Commit e12229b4 authored by Markus Bollinger's avatar Markus Bollinger Committed by Jaroslav Kysela

[ALSA] Add PCXHR driver

Modules: Documentation,PCI drivers,Digigram PCXHR driver

Add Digigram PCXHR driver.
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 46a1736d
...@@ -1103,6 +1103,13 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. ...@@ -1103,6 +1103,13 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
This module supports only one card, autoprobe and PnP. This module supports only one card, autoprobe and PnP.
Module snd-pcxhr
----------------
Module for Digigram PCXHR boards
This module supports multiple cards.
Module snd-powermac (on ppc only) Module snd-powermac (on ppc only)
--------------------------------- ---------------------------------
......
...@@ -455,6 +455,17 @@ config SND_NM256 ...@@ -455,6 +455,17 @@ config SND_NM256
To compile this driver as a module, choose M here: the module To compile this driver as a module, choose M here: the module
will be called snd-nm256. will be called snd-nm256.
config SND_PCXHR
tristate "Digigram PCXHR"
depends on SND
select SND_PCM
select SND_HWDEP
help
Say Y here to include support for Digigram PCXHR boards.
To compile this driver as a module, choose M here: the module
will be called snd-pcxhr.
config SND_RME32 config SND_RME32
tristate "RME Digi32, 32/8, 32 PRO" tristate "RME Digi32, 32/8, 32 PRO"
depends on SND depends on SND
......
...@@ -61,6 +61,7 @@ obj-$(CONFIG_SND) += \ ...@@ -61,6 +61,7 @@ obj-$(CONFIG_SND) += \
korg1212/ \ korg1212/ \
mixart/ \ mixart/ \
nm256/ \ nm256/ \
pcxhr/ \
rme9652/ \ rme9652/ \
trident/ \ trident/ \
ymfpci/ \ ymfpci/ \
......
snd-pcxhr-objs := pcxhr.o pcxhr_hwdep.o pcxhr_mixer.o pcxhr_core.o
obj-$(CONFIG_SND_PCXHR) += snd-pcxhr.o
/*
* Driver for Digigram pcxhr compatible soundcards
*
* main file with alsa callbacks
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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 <sound/driver.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include "pcxhr.h"
#include "pcxhr_mixer.h"
#include "pcxhr_hwdep.h"
#include "pcxhr_core.h"
#define DRIVER_NAME "pcxhr"
MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>");
MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING);
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
static int mono[SNDRV_CARDS]; /* capture in mono only */
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
module_param_array(mono, bool, NULL, 0444);
MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
enum {
PCI_ID_VX882HR,
PCI_ID_PCX882HR,
PCI_ID_VX881HR,
PCI_ID_PCX881HR,
PCI_ID_PCX1222HR,
PCI_ID_PCX1221HR,
PCI_ID_LAST
};
static struct pci_device_id pcxhr_ids[] = {
{ 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, }, /* VX882HR */
{ 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, }, /* PCX882HR */
{ 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, }, /* VX881HR */
{ 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, }, /* PCX881HR */
{ 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, }, /* PCX1222HR */
{ 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, }, /* PCX1221HR */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, pcxhr_ids);
struct board_parameters {
char* board_name;
short playback_chips;
short capture_chips;
short firmware_num;
};
static struct board_parameters pcxhr_board_params[] = {
[PCI_ID_VX882HR] = { "VX882HR", 4, 4, 41, },
[PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 41, },
[PCI_ID_VX881HR] = { "VX881HR", 4, 4, 41, },
[PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 41, },
[PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 42, },
[PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 42, },
};
static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
unsigned int* realfreq)
{
unsigned int reg;
if (freq < 6900 || freq > 110250)
return -EINVAL;
reg = (28224000 * 10) / freq;
reg = (reg + 5) / 10;
if (reg < 0x200)
*pllreg = reg + 0x800;
else if (reg < 0x400)
*pllreg = reg & 0x1ff;
else if (reg < 0x800) {
*pllreg = ((reg >> 1) & 0x1ff) + 0x200;
reg &= ~1;
} else {
*pllreg = ((reg >> 2) & 0x1ff) + 0x400;
reg &= ~3;
}
if (realfreq)
*realfreq = ((28224000 * 10) / reg + 5) / 10;
return 0;
}
#define PCXHR_FREQ_REG_MASK 0x1f
#define PCXHR_FREQ_QUARTZ_48000 0x00
#define PCXHR_FREQ_QUARTZ_24000 0x01
#define PCXHR_FREQ_QUARTZ_12000 0x09
#define PCXHR_FREQ_QUARTZ_32000 0x08
#define PCXHR_FREQ_QUARTZ_16000 0x04
#define PCXHR_FREQ_QUARTZ_8000 0x0c
#define PCXHR_FREQ_QUARTZ_44100 0x02
#define PCXHR_FREQ_QUARTZ_22050 0x0a
#define PCXHR_FREQ_QUARTZ_11025 0x06
#define PCXHR_FREQ_PLL 0x05
#define PCXHR_FREQ_QUARTZ_192000 0x10
#define PCXHR_FREQ_QUARTZ_96000 0x18
#define PCXHR_FREQ_QUARTZ_176400 0x14
#define PCXHR_FREQ_QUARTZ_88200 0x1c
#define PCXHR_FREQ_QUARTZ_128000 0x12
#define PCXHR_FREQ_QUARTZ_64000 0x1a
#define PCXHR_FREQ_WORD_CLOCK 0x0f
#define PCXHR_FREQ_SYNC_AES 0x0e
#define PCXHR_FREQ_AES_1 0x07
#define PCXHR_FREQ_AES_2 0x0b
#define PCXHR_FREQ_AES_3 0x03
#define PCXHR_FREQ_AES_4 0x0d
#define PCXHR_MODIFY_CLOCK_S_BIT 0x04
#define PCXHR_IRQ_TIMER_FREQ 92000
#define PCXHR_IRQ_TIMER_PERIOD 48
static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
unsigned int *reg, unsigned int *freq)
{
unsigned int val, realfreq, pllreg;
struct pcxhr_rmh rmh;
int err;
realfreq = rate;
switch (mgr->use_clock_type) {
case PCXHR_CLOCK_TYPE_INTERNAL : /* clock by quartz or pll */
switch (rate) {
case 48000 : val = PCXHR_FREQ_QUARTZ_48000; break;
case 24000 : val = PCXHR_FREQ_QUARTZ_24000; break;
case 12000 : val = PCXHR_FREQ_QUARTZ_12000; break;
case 32000 : val = PCXHR_FREQ_QUARTZ_32000; break;
case 16000 : val = PCXHR_FREQ_QUARTZ_16000; break;
case 8000 : val = PCXHR_FREQ_QUARTZ_8000; break;
case 44100 : val = PCXHR_FREQ_QUARTZ_44100; break;
case 22050 : val = PCXHR_FREQ_QUARTZ_22050; break;
case 11025 : val = PCXHR_FREQ_QUARTZ_11025; break;
case 192000 : val = PCXHR_FREQ_QUARTZ_192000; break;
case 96000 : val = PCXHR_FREQ_QUARTZ_96000; break;
case 176400 : val = PCXHR_FREQ_QUARTZ_176400; break;
case 88200 : val = PCXHR_FREQ_QUARTZ_88200; break;
case 128000 : val = PCXHR_FREQ_QUARTZ_128000; break;
case 64000 : val = PCXHR_FREQ_QUARTZ_64000; break;
default :
val = PCXHR_FREQ_PLL;
/* get the value for the pll register */
err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
if (err)
return err;
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
rmh.cmd[0] |= IO_NUM_REG_GENCLK;
rmh.cmd[1] = pllreg & MASK_DSP_WORD;
rmh.cmd[2] = pllreg >> 24;
rmh.cmd_len = 3;
err = pcxhr_send_msg(mgr, &rmh);
if (err < 0) {
snd_printk(KERN_ERR
"error CMD_ACCESS_IO_WRITE for PLL register : %x!\n",
err );
return err;
}
}
break;
case PCXHR_CLOCK_TYPE_WORD_CLOCK : val = PCXHR_FREQ_WORD_CLOCK; break;
case PCXHR_CLOCK_TYPE_AES_SYNC : val = PCXHR_FREQ_SYNC_AES; break;
case PCXHR_CLOCK_TYPE_AES_1 : val = PCXHR_FREQ_AES_1; break;
case PCXHR_CLOCK_TYPE_AES_2 : val = PCXHR_FREQ_AES_2; break;
case PCXHR_CLOCK_TYPE_AES_3 : val = PCXHR_FREQ_AES_3; break;
case PCXHR_CLOCK_TYPE_AES_4 : val = PCXHR_FREQ_AES_4; break;
default : return -EINVAL;
}
*reg = val;
*freq = realfreq;
return 0;
}
int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
{
unsigned int val, realfreq, speed;
struct pcxhr_rmh rmh;
int err, changed;
if (rate == 0)
return 0; /* nothing to do */
err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
if (err)
return err;
/* codec speed modes */
if (rate < 55000)
speed = 0; /* single speed */
else if (rate < 100000)
speed = 1; /* dual speed */
else
speed = 2; /* quad speed */
if (mgr->codec_speed != speed) {
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */
rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */
rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
rmh.cmd[1] = speed;
rmh.cmd_len = 2;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
}
/* set the new frequency */
snd_printdd("clock register : set %x\n", val);
err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK, val, &changed);
if (err)
return err;
mgr->sample_rate_real = realfreq;
mgr->cur_clock_type = mgr->use_clock_type;
/* unmute after codec speed modes */
if (mgr->codec_speed != speed) {
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */
rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
mgr->codec_speed = speed; /* save new codec speed */
}
if (changed) {
pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos */
if (rate < PCXHR_IRQ_TIMER_FREQ)
rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
else
rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
rmh.cmd[2] = rate;
rmh.cmd_len = 3;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
}
snd_printdd("pcxhr_set_clock to %dHz (realfreq=%d)\n", rate, realfreq);
return 0;
}
int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type,
int *sample_rate)
{
struct pcxhr_rmh rmh;
unsigned char reg;
int err, rate;
switch (clock_type) {
case PCXHR_CLOCK_TYPE_WORD_CLOCK : reg = REG_STATUS_WORD_CLOCK; break;
case PCXHR_CLOCK_TYPE_AES_SYNC : reg = REG_STATUS_AES_SYNC; break;
case PCXHR_CLOCK_TYPE_AES_1 : reg = REG_STATUS_AES_1; break;
case PCXHR_CLOCK_TYPE_AES_2 : reg = REG_STATUS_AES_2; break;
case PCXHR_CLOCK_TYPE_AES_3 : reg = REG_STATUS_AES_3; break;
case PCXHR_CLOCK_TYPE_AES_4 : reg = REG_STATUS_AES_4; break;
default : return -EINVAL;
}
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
rmh.cmd_len = 2;
rmh.cmd[0] |= IO_NUM_REG_STATUS;
if (mgr->last_reg_stat != reg) {
rmh.cmd[1] = reg;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
udelay(100); /* wait minimum 2 sample_frames at 32kHz ! */
mgr->last_reg_stat = reg;
}
rmh.cmd[1] = REG_STATUS_CURRENT;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
switch (rmh.stat[1] & 0x0f) {
case REG_STATUS_SYNC_32000 : rate = 32000; break;
case REG_STATUS_SYNC_44100 : rate = 44100; break;
case REG_STATUS_SYNC_48000 : rate = 48000; break;
case REG_STATUS_SYNC_64000 : rate = 64000; break;
case REG_STATUS_SYNC_88200 : rate = 88200; break;
case REG_STATUS_SYNC_96000 : rate = 96000; break;
case REG_STATUS_SYNC_128000 : rate = 128000; break;
case REG_STATUS_SYNC_176400 : rate = 176400; break;
case REG_STATUS_SYNC_192000 : rate = 192000; break;
default: rate = 0;
}
snd_printdd("External clock is at %d Hz\n", rate);
*sample_rate = rate;
return 0;
}
/*
* start or stop playback/capture substream
*/
static int pcxhr_set_stream_state(struct pcxhr_stream *stream)
{
int err;
struct snd_pcxhr *chip;
struct pcxhr_rmh rmh;
int stream_mask, start;
if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
start = 1;
else {
if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state CANNOT be stopped\n");
return -EINVAL;
}
start = 0;
}
if (!stream->substream)
return -EINVAL;
stream->timer_abs_periods = 0;
stream->timer_period_frag = 0; /* reset theoretical stream pos */
stream->timer_buf_periods = 0;
stream->timer_is_synced = 0;
stream_mask = stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
stream->pipe->first_audio, 0, stream_mask);
chip = snd_pcm_substream_chip(stream->substream);
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state err=%x;\n", err);
stream->status = start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
return err;
}
#define HEADER_FMT_BASE_LIN 0xfed00000
#define HEADER_FMT_BASE_FLOAT 0xfad00000
#define HEADER_FMT_INTEL 0x00008000
#define HEADER_FMT_24BITS 0x00004000
#define HEADER_FMT_16BITS 0x00002000
#define HEADER_FMT_UPTO11 0x00000200
#define HEADER_FMT_UPTO32 0x00000100
#define HEADER_FMT_MONO 0x00000080
static int pcxhr_set_format(struct pcxhr_stream *stream)
{
int err, is_capture, sample_rate, stream_num;
struct snd_pcxhr *chip;
struct pcxhr_rmh rmh;
unsigned int header;
switch (stream->format) {
case SNDRV_PCM_FORMAT_U8:
header = HEADER_FMT_BASE_LIN;
break;
case SNDRV_PCM_FORMAT_S16_LE:
header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS | HEADER_FMT_INTEL;
break;
case SNDRV_PCM_FORMAT_S16_BE:
header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
break;
case SNDRV_PCM_FORMAT_S24_3LE:
header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS | HEADER_FMT_INTEL;
break;
case SNDRV_PCM_FORMAT_S24_3BE:
header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
break;
case SNDRV_PCM_FORMAT_FLOAT_LE:
header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
break;
default:
snd_printk(KERN_ERR "error pcxhr_set_format() : unknown format\n");
return -EINVAL;
}
chip = snd_pcm_substream_chip(stream->substream);
sample_rate = chip->mgr->sample_rate;
if (sample_rate <= 32000 && sample_rate !=0) {
if (sample_rate <= 11025)
header |= HEADER_FMT_UPTO11;
else
header |= HEADER_FMT_UPTO32;
}
if (stream->channels == 1)
header |= HEADER_FMT_MONO;
is_capture = stream->pipe->is_capture;
stream_num = is_capture ? 0 : stream->substream->number;
pcxhr_init_rmh(&rmh, is_capture ? CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0);
if (is_capture)
rmh.cmd[0] |= 1<<12;
rmh.cmd[1] = 0;
rmh.cmd[2] = header >> 8;
rmh.cmd[3] = (header & 0xff) << 16;
rmh.cmd_len = 4;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
snd_printk(KERN_ERR "ERROR pcxhr_set_format err=%x;\n", err);
return err;
}
static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
{
int err, is_capture, stream_num;
struct pcxhr_rmh rmh;
struct snd_pcm_substream *subs = stream->substream;
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
stream_num = is_capture ? 0 : subs->number;
snd_printdd("pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%x) subs(%d)\n",
is_capture ? 'c' : 'p',
chip->chip_idx, (void*)subs->runtime->dma_addr,
subs->runtime->dma_bytes, subs->number);
pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0);
snd_assert(subs->runtime->dma_bytes < 0x200000); /* max buffer size is 2 MByte */
rmh.cmd[1] = subs->runtime->dma_bytes * 8; /* size in bits */
rmh.cmd[2] = subs->runtime->dma_addr >> 24; /* most significant byte */
rmh.cmd[2] |= 1<<19; /* this is a circular buffer */
rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD; /* least 3 significant bytes */
rmh.cmd_len = 4;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
snd_printk(KERN_ERR "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
return err;
}
#if 0
static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream, snd_pcm_uframes_t *sample_count)
{
struct pcxhr_rmh rmh;
int err;
pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
1<<stream->pipe->first_audio);
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err == 0) {
*sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
*sample_count += (snd_pcm_uframes_t)rmh.stat[1];
}
snd_printdd("PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
return err;
}
#endif
static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
struct pcxhr_pipe **pipe)
{
if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
*pipe = stream->pipe;
return 1;
}
return 0;
}
static void pcxhr_trigger_tasklet(unsigned long arg)
{
unsigned long flags;
int i, j, err;
struct pcxhr_pipe *pipe;
struct snd_pcxhr *chip;
struct pcxhr_mgr *mgr = (struct pcxhr_mgr*)(arg);
int capture_mask = 0;
int playback_mask = 0;
#ifdef CONFIG_SND_DEBUG_DETECT
struct timeval my_tv1, my_tv2;
do_gettimeofday(&my_tv1);
#endif
down(&mgr->setup_mutex);
/* check the pipes concerned and build pipe_array */
for (i = 0; i < mgr->num_cards; i++) {
chip = mgr->chip[i];
for (j = 0; j < chip->nb_streams_capt; j++) {
if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
capture_mask |= (1 << pipe->first_audio);
}
for (j = 0; j < chip->nb_streams_play; j++) {
if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
playback_mask |= (1 << pipe->first_audio);
break; /* add only once, as all playback streams of
* one chip use the same pipe
*/
}
}
}
if (capture_mask == 0 && playback_mask == 0) {
up(&mgr->setup_mutex);
snd_printk(KERN_ERR "pcxhr_trigger_tasklet : no pipes\n");
return;
}
snd_printdd("pcxhr_trigger_tasklet : playback_mask=%x capture_mask=%x\n",
playback_mask, capture_mask);
/* synchronous stop of all the pipes concerned */
err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
if (err) {
up(&mgr->setup_mutex);
snd_printk(KERN_ERR "pcxhr_trigger_tasklet : error stop pipes (P%x C%x)\n",
playback_mask, capture_mask);
return;
}
/* unfortunately the dsp lost format and buffer info with the stop pipe */
for (i = 0; i < mgr->num_cards; i++) {
struct pcxhr_stream *stream;
chip = mgr->chip[i];
for (j = 0; j < chip->nb_streams_capt; j++) {
stream = &chip->capture_stream[j];
if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
err = pcxhr_set_format(stream);
err = pcxhr_update_r_buffer(stream);
}
}
for (j = 0; j < chip->nb_streams_play; j++) {
stream = &chip->playback_stream[j];
if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
err = pcxhr_set_format(stream);
err = pcxhr_update_r_buffer(stream);
}
}
}
/* start all the streams */
for (i = 0; i < mgr->num_cards; i++) {
struct pcxhr_stream *stream;
chip = mgr->chip[i];
for (j = 0; j < chip->nb_streams_capt; j++) {
stream = &chip->capture_stream[j];
if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
err = pcxhr_set_stream_state(stream);
}
for (j = 0; j < chip->nb_streams_play; j++) {
stream = &chip->playback_stream[j];
if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
err = pcxhr_set_stream_state(stream);
}
}
/* synchronous start of all the pipes concerned */
err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
if (err) {
up(&mgr->setup_mutex);
snd_printk(KERN_ERR "pcxhr_trigger_tasklet : error start pipes (P%x C%x)\n",
playback_mask, capture_mask);
return;
}
/* put the streams into the running state now (increment pointer by interrupt) */
spin_lock_irqsave(&mgr->lock, flags);
for ( i =0; i < mgr->num_cards; i++) {
struct pcxhr_stream *stream;
chip = mgr->chip[i];
for(j = 0; j < chip->nb_streams_capt; j++) {
stream = &chip->capture_stream[j];
if(stream->status == PCXHR_STREAM_STATUS_STARTED)
stream->status = PCXHR_STREAM_STATUS_RUNNING;
}
for (j = 0; j < chip->nb_streams_play; j++) {
stream = &chip->playback_stream[j];
if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
/* playback will already have advanced ! */
stream->timer_period_frag += PCXHR_GRANULARITY;
stream->status = PCXHR_STREAM_STATUS_RUNNING;
}
}
}
spin_unlock_irqrestore(&mgr->lock, flags);
up(&mgr->setup_mutex);
#ifdef CONFIG_SND_DEBUG_DETECT
do_gettimeofday(&my_tv2);
snd_printdd("***TRIGGER TASKLET*** TIME = %ld (err = %x)\n",
my_tv2.tv_usec - my_tv1.tv_usec, err);
#endif
}
/*
* trigger callback
*/
static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
{
struct pcxhr_stream *stream;
struct list_head *pos;
struct snd_pcm_substream *s;
int i;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
snd_printdd("SNDRV_PCM_TRIGGER_START\n");
i = 0;
snd_pcm_group_for_each(pos, subs) {
s = snd_pcm_group_substream_entry(pos);
stream = s->runtime->private_data;
stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
snd_pcm_trigger_done(s, subs);
i++;
}
if (i==1) {
snd_printdd("Only one Substream %c %d\n",
stream->pipe->is_capture ? 'C' : 'P',
stream->pipe->first_audio);
if (pcxhr_set_format(stream))
return -EINVAL;
if (pcxhr_update_r_buffer(stream))
return -EINVAL;
if (pcxhr_set_stream_state(stream))
return -EINVAL;
stream->status = PCXHR_STREAM_STATUS_RUNNING;
} else {
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
tasklet_hi_schedule(&chip->mgr->trigger_taskq);
}
break;
case SNDRV_PCM_TRIGGER_STOP:
snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
snd_pcm_group_for_each(pos, subs) {
s = snd_pcm_group_substream_entry(pos);
stream = s->runtime->private_data;
stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
if (pcxhr_set_stream_state(stream))
return -EINVAL;
snd_pcm_trigger_done(s, subs);
}
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
/* TODO */
default:
return -EINVAL;
}
return 0;
}
static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
{
struct pcxhr_rmh rmh;
int err;
pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
if (start) {
mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID; /* last dsp time invalid */
rmh.cmd[0] |= PCXHR_GRANULARITY;
}
err = pcxhr_send_msg(mgr, &rmh);
if (err < 0)
snd_printk(KERN_ERR "error pcxhr_hardware_timer err(%x)\n", err);
return err;
}
/*
* prepare callback for all pcms
*/
static int pcxhr_prepare(struct snd_pcm_substream *subs)
{
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct pcxhr_mgr *mgr = chip->mgr;
/*
struct pcxhr_stream *stream = (pcxhr_stream_t*)subs->runtime->private_data;
*/
int err = 0;
snd_printdd("pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
subs->runtime->period_size, subs->runtime->periods,
subs->runtime->buffer_size);
/*
if(subs->runtime->period_size <= PCXHR_GRANULARITY) {
snd_printk(KERN_ERR "pcxhr_prepare : error period_size too small (%x)\n",
(unsigned int)subs->runtime->period_size);
return -EINVAL;
}
*/
down(&mgr->setup_mutex);
do {
/* if the stream was stopped before, format and buffer were reset */
/*
if(stream->status == PCXHR_STREAM_STATUS_STOPPED) {
err = pcxhr_set_format(stream);
if(err) break;
err = pcxhr_update_r_buffer(stream);
if(err) break;
}
*/
/* only the first stream can choose the sample rate */
/* the further opened streams will be limited to its frequency (see open) */
/* set the clock only once (first stream) */
if (mgr->sample_rate == 0) {
err = pcxhr_set_clock(mgr, subs->runtime->rate);
if (err)
break;
mgr->sample_rate = subs->runtime->rate;
err = pcxhr_hardware_timer(mgr, 1); /* start the DSP-timer */
}
} while(0); /* do only once (so we can use break instead of goto) */
up(&mgr->setup_mutex);
return err;
}
/*
* HW_PARAMS callback for all pcms
*/
static int pcxhr_hw_params(struct snd_pcm_substream *subs,
struct snd_pcm_hw_params *hw)
{
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct pcxhr_mgr *mgr = chip->mgr;
struct pcxhr_stream *stream = subs->runtime->private_data;
snd_pcm_format_t format;
int err;
int channels;
/* set up channels */
channels = params_channels(hw);
/* set up format for the stream */
format = params_format(hw);
down(&mgr->setup_mutex);
stream->channels = channels;
stream->format = format;
/* set the format to the board */
/*
err = pcxhr_set_format(stream);
if(err) {
up(&mgr->setup_mutex);
return err;
}
*/
/* allocate buffer */
err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
/*
if (err > 0) {
err = pcxhr_update_r_buffer(stream);
}
*/
up(&mgr->setup_mutex);
return err;
}
static int pcxhr_hw_free(struct snd_pcm_substream *subs)
{
snd_pcm_lib_free_pages(subs);
return 0;
}
/*
* CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
*/
static struct snd_pcm_hardware pcxhr_caps =
{
.info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
0 /*SNDRV_PCM_INFO_PAUSE*/),
.formats = ( SNDRV_PCM_FMTBIT_U8 |
SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
SNDRV_PCM_FMTBIT_FLOAT_LE ),
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
.rate_min = 8000,
.rate_max = 192000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = (32*1024),
/* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
.period_bytes_min = (2*PCXHR_GRANULARITY),
.period_bytes_max = (16*1024),
.periods_min = 2,
.periods_max = (32*1024/PCXHR_GRANULARITY),
};
static int pcxhr_open(struct snd_pcm_substream *subs)
{
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct pcxhr_mgr *mgr = chip->mgr;
struct snd_pcm_runtime *runtime = subs->runtime;
struct pcxhr_stream *stream;
int is_capture;
down(&mgr->setup_mutex);
/* copy the struct snd_pcm_hardware struct */
runtime->hw = pcxhr_caps;
if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
snd_printdd("pcxhr_open playback chip%d subs%d\n",
chip->chip_idx, subs->number);
is_capture = 0;
stream = &chip->playback_stream[subs->number];
} else {
snd_printdd("pcxhr_open capture chip%d subs%d\n",
chip->chip_idx, subs->number);
is_capture = 1;
if (mgr->mono_capture)
runtime->hw.channels_max = 1;
else
runtime->hw.channels_min = 2;
stream = &chip->capture_stream[subs->number];
}
if (stream->status != PCXHR_STREAM_STATUS_FREE){
/* streams in use */
snd_printk(KERN_ERR "pcxhr_open chip%d subs%d in use\n",
chip->chip_idx, subs->number);
up(&mgr->setup_mutex);
return -EBUSY;
}
/* if a sample rate is already used or fixed by external clock,
* the stream cannot change
*/
if (mgr->sample_rate)
runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
else {
if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
int external_rate;
if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
&external_rate) ||
external_rate == 0) {
/* cannot detect the external clock rate */
up(&mgr->setup_mutex);
return -EBUSY;
}
runtime->hw.rate_min = runtime->hw.rate_max = external_rate;
}
}
stream->status = PCXHR_STREAM_STATUS_OPEN;
stream->substream = subs;
stream->channels = 0; /* not configured yet */
runtime->private_data = stream;
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 4);
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4);
mgr->ref_count_rate++;
up(&mgr->setup_mutex);
return 0;
}
static int pcxhr_close(struct snd_pcm_substream *subs)
{
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct pcxhr_mgr *mgr = chip->mgr;
struct pcxhr_stream *stream = subs->runtime->private_data;
down(&mgr->setup_mutex);
snd_printdd("pcxhr_close chip%d subs%d\n", chip->chip_idx, subs->number);
/* sample rate released */
if (--mgr->ref_count_rate == 0) {
mgr->sample_rate = 0; /* the sample rate is no more locked */
pcxhr_hardware_timer(mgr, 0); /* stop the DSP-timer */
}
stream->status = PCXHR_STREAM_STATUS_FREE;
stream->substream = NULL;
up(&mgr->setup_mutex);
return 0;
}
static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
{
unsigned long flags;
u_int32_t timer_period_frag;
int timer_buf_periods;
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct snd_pcm_runtime *runtime = subs->runtime;
struct pcxhr_stream *stream = runtime->private_data;
spin_lock_irqsave(&chip->mgr->lock, flags);
/* get the period fragment and the nb of periods in the buffer */
timer_period_frag = stream->timer_period_frag;
timer_buf_periods = stream->timer_buf_periods;
spin_unlock_irqrestore(&chip->mgr->lock, flags);
return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
timer_period_frag);
}
static struct snd_pcm_ops pcxhr_ops = {
.open = pcxhr_open,
.close = pcxhr_close,
.ioctl = snd_pcm_lib_ioctl,
.prepare = pcxhr_prepare,
.hw_params = pcxhr_hw_params,
.hw_free = pcxhr_hw_free,
.trigger = pcxhr_trigger,
.pointer = pcxhr_stream_pointer,
};
/*
*/
int pcxhr_create_pcm(struct snd_pcxhr *chip)
{
int err;
struct snd_pcm *pcm;
char name[32];
sprintf(name, "pcxhr %d", chip->chip_idx);
if ((err = snd_pcm_new(chip->card, name, 0,
chip->nb_streams_play,
chip->nb_streams_capt, &pcm)) < 0) {
snd_printk(KERN_ERR "cannot create pcm %s\n", name);
return err;
}
pcm->private_data = chip;
if (chip->nb_streams_play)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
if (chip->nb_streams_capt)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
pcm->info_flags = 0;
strcpy(pcm->name, name);
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->mgr->pci),
32*1024, 32*1024);
chip->pcm = pcm;
return 0;
}
static int pcxhr_chip_free(struct snd_pcxhr *chip)
{
kfree(chip);
return 0;
}
static int pcxhr_chip_dev_free(struct snd_device *device)
{
struct snd_pcxhr *chip = device->device_data;
return pcxhr_chip_free(chip);
}
/*
*/
static int __devinit pcxhr_create(struct pcxhr_mgr *mgr, struct snd_card *card, int idx)
{
int err;
struct snd_pcxhr *chip;
static struct snd_device_ops ops = {
.dev_free = pcxhr_chip_dev_free,
};
mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (! chip) {
snd_printk(KERN_ERR "cannot allocate chip\n");
return -ENOMEM;
}
chip->card = card;
chip->chip_idx = idx;
chip->mgr = mgr;
if (idx < mgr->playback_chips)
/* stereo or mono streams */
chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
if (idx < mgr->capture_chips) {
if (mgr->mono_capture)
chip->nb_streams_capt = 2; /* 2 mono streams (left+right) */
else
chip->nb_streams_capt = 1; /* or 1 stereo stream */
}
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
pcxhr_chip_free(chip);
return err;
}
snd_card_set_dev(card, &mgr->pci->dev);
return 0;
}
/* proc interface */
static void pcxhr_proc_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_pcxhr *chip = entry->private_data;
struct pcxhr_mgr *mgr = chip->mgr;
snd_iprintf(buffer, "\n%s\n", mgr->longname);
/* stats available when embedded DSP is running */
if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
struct pcxhr_rmh rmh;
short ver_maj = (mgr->dsp_version >> 16) & 0xff;
short ver_min = (mgr->dsp_version >> 8) & 0xff;
short ver_build = mgr->dsp_version & 0xff;
snd_iprintf(buffer, "module version %s\n", PCXHR_DRIVER_VERSION_STRING);
snd_iprintf(buffer, "dsp version %d.%d.%d\n", ver_maj, ver_min, ver_build);
if (mgr->board_has_analog)
snd_iprintf(buffer, "analog io available\n");
else
snd_iprintf(buffer, "digital only board\n");
/* calc cpu load of the dsp */
pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
if( ! pcxhr_send_msg(mgr, &rmh) ) {
int cur = rmh.stat[0];
int ref = rmh.stat[1];
if (ref > 0) {
if (mgr->sample_rate_real != 0 &&
mgr->sample_rate_real != 48000) {
ref = (ref * 48000) / mgr->sample_rate_real;
if (mgr->sample_rate_real >= PCXHR_IRQ_TIMER_FREQ)
ref *= 2;
}
cur = 100 - (100 * cur) / ref;
snd_iprintf(buffer, "cpu load %d%%\n", cur);
snd_iprintf(buffer, "buffer pool %d/%d kWords\n",
rmh.stat[2], rmh.stat[3]);
}
}
snd_iprintf(buffer, "dma granularity : %d\n", PCXHR_GRANULARITY);
snd_iprintf(buffer, "dsp time errors : %d\n", mgr->dsp_time_err);
snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
mgr->async_err_pipe_xrun);
snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
mgr->async_err_stream_xrun);
snd_iprintf(buffer, "dsp async last other error : %x\n",
mgr->async_err_other_last);
/* debug zone dsp */
rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
rmh.cmd_len = 1;
rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
rmh.dsp_stat = 0;
rmh.cmd_idx = CMD_LAST_INDEX;
if( ! pcxhr_send_msg(mgr, &rmh) ) {
int i;
for (i = 0; i < rmh.stat_len; i++)
snd_iprintf(buffer, "debug[%02d] = %06x\n", i, rmh.stat[i]);
}
} else
snd_iprintf(buffer, "no firmware loaded\n");
snd_iprintf(buffer, "\n");
}
static void pcxhr_proc_sync(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_pcxhr *chip = entry->private_data;
struct pcxhr_mgr *mgr = chip->mgr;
static char *texts[7] = {
"Internal", "Word", "AES Sync", "AES 1", "AES 2", "AES 3", "AES 4"
};
snd_iprintf(buffer, "\n%s\n", mgr->longname);
snd_iprintf(buffer, "Current Sample Clock\t: %s\n", texts[mgr->cur_clock_type]);
snd_iprintf(buffer, "Current Sample Rate\t= %d\n", mgr->sample_rate_real);
/* commands available when embedded DSP is running */
if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
int i, err, sample_rate;
for (i = PCXHR_CLOCK_TYPE_WORD_CLOCK; i< (3 + mgr->capture_chips); i++) {
err = pcxhr_get_external_clock(mgr, i, &sample_rate);
if (err)
break;
snd_iprintf(buffer, "%s Clock\t\t= %d\n", texts[i], sample_rate);
}
} else
snd_iprintf(buffer, "no firmware loaded\n");
snd_iprintf(buffer, "\n");
}
static void __devinit pcxhr_proc_init(struct snd_pcxhr *chip)
{
struct snd_info_entry *entry;
if (! snd_card_proc_new(chip->card, "info", &entry))
snd_info_set_text_ops(entry, chip, 1024, pcxhr_proc_info);
if (! snd_card_proc_new(chip->card, "sync", &entry))
snd_info_set_text_ops(entry, chip, 1024, pcxhr_proc_sync);
}
/* end of proc interface */
/*
* release all the cards assigned to a manager instance
*/
static int pcxhr_free(struct pcxhr_mgr *mgr)
{
unsigned int i;
for (i = 0; i < mgr->num_cards; i++) {
if (mgr->chip[i])
snd_card_free(mgr->chip[i]->card);
}
/* reset board if some firmware was loaded */
if(mgr->dsp_loaded) {
pcxhr_reset_board(mgr);
snd_printdd("reset pcxhr !\n");
}
/* release irq */
if (mgr->irq >= 0)
free_irq(mgr->irq, mgr);
pci_release_regions(mgr->pci);
/* free hostport purgebuffer */
if (mgr->hostport.area) {
snd_dma_free_pages(&mgr->hostport);
mgr->hostport.area = NULL;
}
kfree(mgr->prmh);
pci_disable_device(mgr->pci);
kfree(mgr);
return 0;
}
/*
* probe function - creates the card manager
*/
static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
{
static int dev;
struct pcxhr_mgr *mgr;
unsigned int i;
int err;
size_t size;
char *card_name;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (! enable[dev]) {
dev++;
return -ENOENT;
}
/* enable PCI device */
if ((err = pci_enable_device(pci)) < 0)
return err;
pci_set_master(pci);
/* check if we can restrict PCI DMA transfers to 32 bits */
if (pci_set_dma_mask(pci, 0xffffffff) < 0) {
snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
}
/* alloc card manager */
mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
if (! mgr) {
pci_disable_device(pci);
return -ENOMEM;
}
snd_assert(pci_id->driver_data < PCI_ID_LAST, return -ENODEV);
card_name = pcxhr_board_params[pci_id->driver_data].board_name;
mgr->playback_chips = pcxhr_board_params[pci_id->driver_data].playback_chips;
mgr->capture_chips = pcxhr_board_params[pci_id->driver_data].capture_chips;
mgr->firmware_num = pcxhr_board_params[pci_id->driver_data].firmware_num;
mgr->mono_capture = mono[dev];
/* resource assignment */
if ((err = pci_request_regions(pci, card_name)) < 0) {
kfree(mgr);
pci_disable_device(pci);
return err;
}
for (i = 0; i < 3; i++)
mgr->port[i] = pci_resource_start(pci, i);
mgr->pci = pci;
mgr->irq = -1;
if (request_irq(pci->irq, pcxhr_interrupt, SA_INTERRUPT|SA_SHIRQ,
card_name, mgr)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
pcxhr_free(mgr);
return -EBUSY;
}
mgr->irq = pci->irq;
sprintf(mgr->shortname, "Digigram %s", card_name);
sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, 0x%lx irq %i", mgr->shortname,
mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
/* ISR spinlock */
spin_lock_init(&mgr->lock);
spin_lock_init(&mgr->msg_lock);
/* init setup mutex*/
init_MUTEX(&mgr->setup_mutex);
/* init taslket */
tasklet_init(&mgr->msg_taskq, pcxhr_msg_tasklet, (unsigned long) mgr);
tasklet_init(&mgr->trigger_taskq, pcxhr_trigger_tasklet, (unsigned long) mgr);
mgr->prmh = kmalloc(sizeof(*mgr->prmh) +
sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS - PCXHR_SIZE_MAX_STATUS),
GFP_KERNEL);
if (! mgr->prmh) {
pcxhr_free(mgr);
return -ENOMEM;
}
for (i=0; i < PCXHR_MAX_CARDS; i++) {
struct snd_card *card;
char tmpid[16];
int idx;
if (i >= max(mgr->playback_chips, mgr->capture_chips))
break;
mgr->num_cards++;
if (index[dev] < 0)
idx = index[dev];
else
idx = index[dev] + i;
snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : card_name, i);
card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
if (! card) {
snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
pcxhr_free(mgr);
return -ENOMEM;
}
strcpy(card->driver, DRIVER_NAME);
sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
if ((err = pcxhr_create(mgr, card, i)) < 0) {
pcxhr_free(mgr);
return err;
}
if (i == 0)
/* init proc interface only for chip0 */
pcxhr_proc_init(mgr->chip[i]);
if ((err = snd_card_register(card)) < 0) {
pcxhr_free(mgr);
return err;
}
}
/* create hostport purgebuffer */
size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
size, &mgr->hostport) < 0) {
pcxhr_free(mgr);
return -ENOMEM;
}
/* init purgebuffer */
memset(mgr->hostport.area, 0, size);
/* create a DSP loader */
err = pcxhr_setup_firmware(mgr);
if (err < 0) {
pcxhr_free(mgr);
return err;
}
pci_set_drvdata(pci, mgr);
dev++;
return 0;
}
static void __devexit pcxhr_remove(struct pci_dev *pci)
{
pcxhr_free(pci_get_drvdata(pci));
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
.name = "Digigram pcxhr",
.id_table = pcxhr_ids,
.probe = pcxhr_probe,
.remove = __devexit_p(pcxhr_remove),
};
static int __init pcxhr_module_init(void)
{
return pci_register_driver(&driver);
}
static void __exit pcxhr_module_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(pcxhr_module_init)
module_exit(pcxhr_module_exit)
/*
* Driver for Digigram pcxhr soundcards
*
* main header file
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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
*/
#ifndef __SOUND_PCXHR_H
#define __SOUND_PCXHR_H
#include <linux/interrupt.h>
#include <sound/pcm.h>
#define PCXHR_DRIVER_VERSION 0x000804 /* 0.8.4 */
#define PCXHR_DRIVER_VERSION_STRING "0.8.4" /* 0.8.4 */
#define PCXHR_MAX_CARDS 6
#define PCXHR_PLAYBACK_STREAMS 4
#define PCXHR_GRANULARITY 96 /* transfer granularity (should be min 96 and multiple of 48) */
#define PCXHR_GRANULARITY_MIN 96 /* transfer granularity of pipes and the dsp time (MBOX4) */
struct snd_pcxhr;
struct pcxhr_mgr;
struct pcxhr_stream;
struct pcxhr_pipe;
enum pcxhr_clock_type {
PCXHR_CLOCK_TYPE_INTERNAL = 0,
PCXHR_CLOCK_TYPE_WORD_CLOCK,
PCXHR_CLOCK_TYPE_AES_SYNC,
PCXHR_CLOCK_TYPE_AES_1,
PCXHR_CLOCK_TYPE_AES_2,
PCXHR_CLOCK_TYPE_AES_3,
PCXHR_CLOCK_TYPE_AES_4,
};
struct pcxhr_mgr {
unsigned int num_cards;
struct snd_pcxhr *chip[PCXHR_MAX_CARDS];
struct pci_dev *pci;
int irq;
/* card access with 1 mem bar and 2 io bar's */
unsigned long port[3];
/* share the name */
char shortname[32]; /* short name of this soundcard */
char longname[96]; /* name of this soundcard */
/* message tasklet */
struct tasklet_struct msg_taskq;
struct pcxhr_rmh *prmh;
/* trigger tasklet */
struct tasklet_struct trigger_taskq;
spinlock_t lock; /* interrupt spinlock */
spinlock_t msg_lock; /* message spinlock */
struct semaphore setup_mutex; /* mutex used in hw_params, open and close */
struct semaphore mixer_mutex; /* mutex for mixer */
/* hardware interface */
unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
unsigned int dsp_version; /* read from embedded once firmware is loaded */
int board_has_analog; /* if 0 the board is digital only */
int mono_capture; /* if 1 the board does mono capture */
int playback_chips; /* 4 or 6 */
int capture_chips; /* 4 or 1 */
int firmware_num; /* 41 or 42 */
struct snd_dma_buffer hostport;
enum pcxhr_clock_type use_clock_type; /* clock type selected by mixer */
enum pcxhr_clock_type cur_clock_type; /* current clock type synced */
int sample_rate;
int ref_count_rate;
int timer_toggle; /* timer interrupt toggles between the two values 0x200 and 0x300 */
int dsp_time_last; /* the last dsp time (read by interrupt) */
int dsp_time_err; /* dsp time errors */
unsigned int src_it_dsp; /* dsp interrupt source */
unsigned int io_num_reg_cont; /* backup of IO_NUM_REG_CONT */
unsigned int codec_speed; /* speed mode of the codecs */
unsigned int sample_rate_real; /* current real sample rate */
int last_reg_stat;
int async_err_stream_xrun;
int async_err_pipe_xrun;
int async_err_other_last;
};
enum pcxhr_stream_status {
PCXHR_STREAM_STATUS_FREE,
PCXHR_STREAM_STATUS_OPEN,
PCXHR_STREAM_STATUS_SCHEDULE_RUN,
PCXHR_STREAM_STATUS_STARTED,
PCXHR_STREAM_STATUS_RUNNING,
PCXHR_STREAM_STATUS_SCHEDULE_STOP,
PCXHR_STREAM_STATUS_STOPPED,
PCXHR_STREAM_STATUS_PAUSED
};
struct pcxhr_stream {
struct snd_pcm_substream *substream;
snd_pcm_format_t format;
struct pcxhr_pipe *pipe;
enum pcxhr_stream_status status; /* free, open, running, draining, pause */
u_int64_t timer_abs_periods; /* timer: samples elapsed since TRIGGER_START (multiple of period_size) */
u_int32_t timer_period_frag; /* timer: samples elapsed since last call to snd_pcm_period_elapsed (0..period_size) */
u_int32_t timer_buf_periods; /* nb of periods in the buffer that have already elapsed */
int timer_is_synced; /* if(0) : timer needs to be resynced with real hardware pointer */
int channels;
};
enum pcxhr_pipe_status {
PCXHR_PIPE_UNDEFINED,
PCXHR_PIPE_DEFINED
};
struct pcxhr_pipe {
enum pcxhr_pipe_status status;
int is_capture; /* this is a capture pipe */
int first_audio; /* first audio num */
};
struct snd_pcxhr {
struct snd_card *card;
struct pcxhr_mgr *mgr;
int chip_idx; /* zero based */
struct snd_pcm *pcm; /* PCM */
struct pcxhr_pipe playback_pipe; /* 1 stereo pipe only */
struct pcxhr_pipe capture_pipe[2]; /* 1 stereo pipe or 2 mono pipes */
struct pcxhr_stream playback_stream[PCXHR_PLAYBACK_STREAMS];
struct pcxhr_stream capture_stream[2]; /* 1 stereo stream or 2 mono streams */
int nb_streams_play;
int nb_streams_capt;
int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */
int analog_playback_volume[2]; /* Mixer : Master Playback Volume */
int analog_capture_volume[2]; /* Mixer : Master Capture Volume */
int digital_playback_active[PCXHR_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [streams][stereo]*/
int digital_playback_volume[PCXHR_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [streams][stereo]*/
int digital_capture_volume[2]; /* Mixer : Digital Capture Volume [stereo] */
int monitoring_active[2]; /* Mixer : Monitoring Active */
int monitoring_volume[2]; /* Mixer : Monitoring Volume */
int audio_capture_source; /* Mixer : Audio Capture Source */
unsigned char aes_bits[5]; /* Mixer : IEC958_AES bits */
};
struct pcxhr_hostport
{
char purgebuffer[6];
char reserved[2];
};
/* exported */
int pcxhr_create_pcm(struct snd_pcxhr *chip);
int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate);
int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type, int *sample_rate);
#endif /* __SOUND_PCXHR_H */
/*
* Driver for Digigram pcxhr compatible soundcards
*
* low level interface with interrupt and message handling implementation
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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 <sound/driver.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/interrupt.h>
#include <asm/io.h>
#include <sound/core.h>
#include "pcxhr.h"
#include "pcxhr_mixer.h"
#include "pcxhr_hwdep.h"
#include "pcxhr_core.h"
/* registers used on the PLX (port 1) */
#define PCXHR_PLX_OFFSET_MIN 0x40
#define PCXHR_PLX_MBOX0 0x40
#define PCXHR_PLX_MBOX1 0x44
#define PCXHR_PLX_MBOX2 0x48
#define PCXHR_PLX_MBOX3 0x4C
#define PCXHR_PLX_MBOX4 0x50
#define PCXHR_PLX_MBOX5 0x54
#define PCXHR_PLX_MBOX6 0x58
#define PCXHR_PLX_MBOX7 0x5C
#define PCXHR_PLX_L2PCIDB 0x64
#define PCXHR_PLX_IRQCS 0x68
#define PCXHR_PLX_CHIPSC 0x6C
/* registers used on the DSP (port 2) */
#define PCXHR_DSP_ICR 0x00
#define PCXHR_DSP_CVR 0x04
#define PCXHR_DSP_ISR 0x08
#define PCXHR_DSP_IVR 0x0C
#define PCXHR_DSP_RXH 0x14
#define PCXHR_DSP_TXH 0x14
#define PCXHR_DSP_RXM 0x18
#define PCXHR_DSP_TXM 0x18
#define PCXHR_DSP_RXL 0x1C
#define PCXHR_DSP_TXL 0x1C
#define PCXHR_DSP_RESET 0x20
#define PCXHR_DSP_OFFSET_MAX 0x20
/* access to the card */
#define PCXHR_PLX 1
#define PCXHR_DSP 2
#if (PCXHR_DSP_OFFSET_MAX > PCXHR_PLX_OFFSET_MIN)
#undef PCXHR_REG_TO_PORT(x)
#else
#define PCXHR_REG_TO_PORT(x) ((x)>PCXHR_DSP_OFFSET_MAX ? PCXHR_PLX : PCXHR_DSP)
#endif
#define PCXHR_INPB(mgr,x) inb((mgr)->port[PCXHR_REG_TO_PORT(x)] + (x))
#define PCXHR_INPL(mgr,x) inl((mgr)->port[PCXHR_REG_TO_PORT(x)] + (x))
#define PCXHR_OUTPB(mgr,x,data) outb((data), (mgr)->port[PCXHR_REG_TO_PORT(x)] + (x))
#define PCXHR_OUTPL(mgr,x,data) outl((data), (mgr)->port[PCXHR_REG_TO_PORT(x)] + (x))
/* attention : access the PCXHR_DSP_* registers with inb and outb only ! */
/* params used with PCXHR_PLX_MBOX0 */
#define PCXHR_MBOX0_HF5 (1 << 0)
#define PCXHR_MBOX0_HF4 (1 << 1)
#define PCXHR_MBOX0_BOOT_HERE (1 << 23)
/* params used with PCXHR_PLX_IRQCS */
#define PCXHR_IRQCS_ENABLE_PCIIRQ (1 << 8)
#define PCXHR_IRQCS_ENABLE_PCIDB (1 << 9)
#define PCXHR_IRQCS_ACTIVE_PCIDB (1 << 13)
/* params used with PCXHR_PLX_CHIPSC */
#define PCXHR_CHIPSC_INIT_VALUE 0x100D767E
#define PCXHR_CHIPSC_RESET_XILINX (1 << 16)
#define PCXHR_CHIPSC_GPI_USERI (1 << 17)
#define PCXHR_CHIPSC_DATA_CLK (1 << 24)
#define PCXHR_CHIPSC_DATA_IN (1 << 26)
/* params used with PCXHR_DSP_ICR */
#define PCXHR_ICR_HI08_RREQ 0x01
#define PCXHR_ICR_HI08_TREQ 0x02
#define PCXHR_ICR_HI08_HDRQ 0x04
#define PCXHR_ICR_HI08_HF0 0x08
#define PCXHR_ICR_HI08_HF1 0x10
#define PCXHR_ICR_HI08_HLEND 0x20
#define PCXHR_ICR_HI08_INIT 0x80
/* params used with PCXHR_DSP_CVR */
#define PCXHR_CVR_HI08_HC 0x80
/* params used with PCXHR_DSP_ISR */
#define PCXHR_ISR_HI08_RXDF 0x01
#define PCXHR_ISR_HI08_TXDE 0x02
#define PCXHR_ISR_HI08_TRDY 0x04
#define PCXHR_ISR_HI08_ERR 0x08
#define PCXHR_ISR_HI08_CHK 0x10
#define PCXHR_ISR_HI08_HREQ 0x80
/* constants used for delay in msec */
#define PCXHR_WAIT_DEFAULT 2
#define PCXHR_WAIT_IT 25
#define PCXHR_WAIT_IT_EXTRA 65
/*
* pcxhr_check_reg_bit - wait for the specified bit is set/reset on a register
* @reg: register to check
* @mask: bit mask
* @bit: resultant bit to be checked
* @time: time-out of loop in msec
*
* returns zero if a bit matches, or a negative error code.
*/
static int pcxhr_check_reg_bit(struct pcxhr_mgr *mgr, unsigned int reg,
unsigned char mask, unsigned char bit, int time,
unsigned char* read)
{
int i = 0;
unsigned long end_time = jiffies + (time * HZ + 999) / 1000;
do {
*read = PCXHR_INPB(mgr, reg);
if ((*read & mask) == bit) {
if (i > 100)
snd_printdd("ATTENTION! check_reg(%x) loopcount=%d\n",
reg, i);
return 0;
}
i++;
} while (time_after_eq(end_time, jiffies));
snd_printk(KERN_ERR "pcxhr_check_reg_bit: timeout, reg=%x, mask=0x%x, val=0x%x\n",
reg, mask, *read);
return -EIO;
}
/* constants used with pcxhr_check_reg_bit() */
#define PCXHR_TIMEOUT_DSP 200
#define PCXHR_MASK_EXTRA_INFO 0x0000FE
#define PCXHR_MASK_IT_HF0 0x000100
#define PCXHR_MASK_IT_HF1 0x000200
#define PCXHR_MASK_IT_NO_HF0_HF1 0x000400
#define PCXHR_MASK_IT_MANAGE_HF5 0x000800
#define PCXHR_MASK_IT_WAIT 0x010000
#define PCXHR_MASK_IT_WAIT_EXTRA 0x020000
#define PCXHR_IT_SEND_BYTE_XILINX (0x0000003C | PCXHR_MASK_IT_HF0)
#define PCXHR_IT_TEST_XILINX (0x0000003C | PCXHR_MASK_IT_HF1 | \
PCXHR_MASK_IT_MANAGE_HF5)
#define PCXHR_IT_DOWNLOAD_BOOT (0x0000000C | PCXHR_MASK_IT_HF1 | \
PCXHR_MASK_IT_MANAGE_HF5 | PCXHR_MASK_IT_WAIT)
#define PCXHR_IT_RESET_BOARD_FUNC (0x0000000C | PCXHR_MASK_IT_HF0 | \
PCXHR_MASK_IT_MANAGE_HF5 | PCXHR_MASK_IT_WAIT_EXTRA)
#define PCXHR_IT_DOWNLOAD_DSP (0x0000000C | \
PCXHR_MASK_IT_MANAGE_HF5 | PCXHR_MASK_IT_WAIT)
#define PCXHR_IT_DEBUG (0x0000005A | PCXHR_MASK_IT_NO_HF0_HF1)
#define PCXHR_IT_RESET_SEMAPHORE (0x0000005C | PCXHR_MASK_IT_NO_HF0_HF1)
#define PCXHR_IT_MESSAGE (0x00000074 | PCXHR_MASK_IT_NO_HF0_HF1)
#define PCXHR_IT_RESET_CHK (0x00000076 | PCXHR_MASK_IT_NO_HF0_HF1)
#define PCXHR_IT_UPDATE_RBUFFER (0x00000078 | PCXHR_MASK_IT_NO_HF0_HF1)
static int pcxhr_send_it_dsp(struct pcxhr_mgr *mgr, unsigned int itdsp, int atomic)
{
int err;
unsigned char reg;
if (itdsp & PCXHR_MASK_IT_MANAGE_HF5) {
/* clear hf5 bit */
PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX0,
PCXHR_INPL(mgr, PCXHR_PLX_MBOX0) & ~PCXHR_MBOX0_HF5);
}
if ((itdsp & PCXHR_MASK_IT_NO_HF0_HF1) == 0) {
reg = PCXHR_ICR_HI08_RREQ | PCXHR_ICR_HI08_TREQ | PCXHR_ICR_HI08_HDRQ;
if (itdsp & PCXHR_MASK_IT_HF0)
reg |= PCXHR_ICR_HI08_HF0;
if (itdsp & PCXHR_MASK_IT_HF1)
reg |= PCXHR_ICR_HI08_HF1;
PCXHR_OUTPB(mgr, PCXHR_DSP_ICR, reg);
}
reg = (unsigned char)(((itdsp & PCXHR_MASK_EXTRA_INFO) >> 1) | PCXHR_CVR_HI08_HC);
PCXHR_OUTPB(mgr, PCXHR_DSP_CVR, reg);
if (itdsp & PCXHR_MASK_IT_WAIT) {
if (atomic)
mdelay(PCXHR_WAIT_IT);
else
msleep(PCXHR_WAIT_IT);
}
if (itdsp & PCXHR_MASK_IT_WAIT_EXTRA) {
if (atomic)
mdelay(PCXHR_WAIT_IT_EXTRA);
else
msleep(PCXHR_WAIT_IT);
}
/* wait for CVR_HI08_HC == 0 */
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_CVR, PCXHR_CVR_HI08_HC, 0,
PCXHR_TIMEOUT_DSP, &reg);
if (err) {
snd_printk(KERN_ERR "pcxhr_send_it_dsp : TIMEOUT CVR\n");
return err;
}
if (itdsp & PCXHR_MASK_IT_MANAGE_HF5) {
/* wait for hf5 bit */
err = pcxhr_check_reg_bit(mgr, PCXHR_PLX_MBOX0, PCXHR_MBOX0_HF5,
PCXHR_MBOX0_HF5, PCXHR_TIMEOUT_DSP, &reg);
if (err) {
snd_printk(KERN_ERR "pcxhr_send_it_dsp : TIMEOUT HF5\n");
return err;
}
}
return 0; /* retry not handled here */
}
void pcxhr_reset_xilinx_com(struct pcxhr_mgr *mgr)
{
/* reset second xilinx */
PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC,
PCXHR_CHIPSC_INIT_VALUE & ~PCXHR_CHIPSC_RESET_XILINX);
}
static void pcxhr_enable_irq(struct pcxhr_mgr *mgr, int enable)
{
unsigned int reg = PCXHR_INPL(mgr, PCXHR_PLX_IRQCS);
/* enable/disable interrupts */
if (enable)
reg |= (PCXHR_IRQCS_ENABLE_PCIIRQ | PCXHR_IRQCS_ENABLE_PCIDB);
else
reg &= ~(PCXHR_IRQCS_ENABLE_PCIIRQ | PCXHR_IRQCS_ENABLE_PCIDB);
PCXHR_OUTPL(mgr, PCXHR_PLX_IRQCS, reg);
}
void pcxhr_reset_dsp(struct pcxhr_mgr *mgr)
{
/* disable interrupts */
pcxhr_enable_irq(mgr, 0);
/* let's reset the DSP */
PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, 0);
msleep( PCXHR_WAIT_DEFAULT ); /* wait 2 msec */
PCXHR_OUTPB(mgr, PCXHR_DSP_RESET, 3);
msleep( PCXHR_WAIT_DEFAULT ); /* wait 2 msec */
/* reset mailbox */
PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX0, 0);
}
void pcxhr_enable_dsp(struct pcxhr_mgr *mgr)
{
/* enable interrupts */
pcxhr_enable_irq(mgr, 1);
}
/*
* load the xilinx image
*/
int pcxhr_load_xilinx_binary(struct pcxhr_mgr *mgr, const struct firmware *xilinx, int second)
{
unsigned int i;
unsigned int chipsc;
unsigned char data;
unsigned char mask;
unsigned char *image;
/* test first xilinx */
chipsc = PCXHR_INPL(mgr, PCXHR_PLX_CHIPSC);
if (!second) {
if (chipsc & PCXHR_CHIPSC_GPI_USERI) {
snd_printdd("no need to load first xilinx\n");
return 0; /* first xilinx is already present and cannot be reset */
}
} else {
if ((chipsc & PCXHR_CHIPSC_GPI_USERI) == 0) {
snd_printk(KERN_ERR "error loading first xilinx\n");
return -EINVAL;
}
/* activate second xilinx */
chipsc |= PCXHR_CHIPSC_RESET_XILINX;
PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC, chipsc);
msleep( PCXHR_WAIT_DEFAULT ); /* wait 2 msec */
}
image = xilinx->data;
for (i = 0; i < xilinx->size; i++, image++) {
data = *image;
mask = 0x80;
while (mask) {
chipsc &= ~(PCXHR_CHIPSC_DATA_CLK | PCXHR_CHIPSC_DATA_IN);
if (data & mask)
chipsc |= PCXHR_CHIPSC_DATA_IN;
PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC, chipsc);
chipsc |= PCXHR_CHIPSC_DATA_CLK;
PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC, chipsc);
mask >>= 1;
}
/* don't take too much time in this loop... */
cond_resched();
}
chipsc &= ~(PCXHR_CHIPSC_DATA_CLK | PCXHR_CHIPSC_DATA_IN);
PCXHR_OUTPL(mgr, PCXHR_PLX_CHIPSC, chipsc);
/* wait 2 msec (time to boot the xilinx before any access) */
msleep( PCXHR_WAIT_DEFAULT );
return 0;
}
/*
* send an executable file to the DSP
*/
static int pcxhr_download_dsp(struct pcxhr_mgr *mgr, const struct firmware *dsp)
{
int err;
unsigned int i;
unsigned int len;
unsigned char *data;
unsigned char dummy;
/* check the length of boot image */
snd_assert(dsp->size > 0, return -EINVAL);
snd_assert(dsp->size % 3 == 0, return -EINVAL);
snd_assert(dsp->data, return -EINVAL);
/* transfert data buffer from PC to DSP */
for (i = 0; i < dsp->size; i += 3) {
data = dsp->data + i;
if (i == 0) {
/* test data header consistency */
len = (unsigned int)((data[0]<<16) + (data[1]<<8) + data[2]);
snd_assert((len==0) || (dsp->size == (len+2)*3), return -EINVAL);
}
/* wait DSP ready for new transfer */
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_TRDY,
PCXHR_ISR_HI08_TRDY, PCXHR_TIMEOUT_DSP, &dummy);
if (err) {
snd_printk(KERN_ERR "dsp loading error at position %d\n", i);
return err;
}
/* send host data */
PCXHR_OUTPB(mgr, PCXHR_DSP_TXH, data[0]);
PCXHR_OUTPB(mgr, PCXHR_DSP_TXM, data[1]);
PCXHR_OUTPB(mgr, PCXHR_DSP_TXL, data[2]);
/* don't take too much time in this loop... */
cond_resched();
}
/* give some time to boot the DSP */
msleep(PCXHR_WAIT_DEFAULT);
return 0;
}
/*
* load the eeprom image
*/
int pcxhr_load_eeprom_binary(struct pcxhr_mgr *mgr, const struct firmware *eeprom)
{
int err;
unsigned char reg;
/* init value of the ICR register */
reg = PCXHR_ICR_HI08_RREQ | PCXHR_ICR_HI08_TREQ | PCXHR_ICR_HI08_HDRQ;
if (PCXHR_INPL(mgr, PCXHR_PLX_MBOX0) & PCXHR_MBOX0_BOOT_HERE) {
/* no need to load the eeprom binary, but init the HI08 interface */
PCXHR_OUTPB(mgr, PCXHR_DSP_ICR, reg | PCXHR_ICR_HI08_INIT);
msleep(PCXHR_WAIT_DEFAULT);
PCXHR_OUTPB(mgr, PCXHR_DSP_ICR, reg);
msleep(PCXHR_WAIT_DEFAULT);
snd_printdd("no need to load eeprom boot\n");
return 0;
}
PCXHR_OUTPB(mgr, PCXHR_DSP_ICR, reg);
err = pcxhr_download_dsp(mgr, eeprom);
if (err)
return err;
/* wait for chk bit */
return pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK,
PCXHR_ISR_HI08_CHK, PCXHR_TIMEOUT_DSP, &reg);
}
/*
* load the boot image
*/
int pcxhr_load_boot_binary(struct pcxhr_mgr *mgr, const struct firmware *boot)
{
int err;
unsigned int physaddr = mgr->hostport.addr;
unsigned char dummy;
/* send the hostport address to the DSP (only the upper 24 bit !) */
snd_assert((physaddr & 0xff) == 0, return -EINVAL);
PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX1, (physaddr >> 8));
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_DOWNLOAD_BOOT, 0);
if (err)
return err;
/* clear hf5 bit */
PCXHR_OUTPL(mgr, PCXHR_PLX_MBOX0,
PCXHR_INPL(mgr, PCXHR_PLX_MBOX0) & ~PCXHR_MBOX0_HF5);
err = pcxhr_download_dsp(mgr, boot);
if (err)
return err;
/* wait for hf5 bit */
return pcxhr_check_reg_bit(mgr, PCXHR_PLX_MBOX0, PCXHR_MBOX0_HF5,
PCXHR_MBOX0_HF5, PCXHR_TIMEOUT_DSP, &dummy);
}
/*
* load the final dsp image
*/
int pcxhr_load_dsp_binary(struct pcxhr_mgr *mgr, const struct firmware *dsp)
{
int err;
unsigned char dummy;
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_RESET_BOARD_FUNC, 0);
if (err)
return err;
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_DOWNLOAD_DSP, 0);
if (err)
return err;
err = pcxhr_download_dsp(mgr, dsp);
if (err)
return err;
/* wait for chk bit */
return pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK,
PCXHR_ISR_HI08_CHK, PCXHR_TIMEOUT_DSP, &dummy);
}
struct pcxhr_cmd_info {
u32 opcode; /* command word */
u16 st_length; /* status length */
u16 st_type; /* status type (RMH_SSIZE_XXX) */
};
/* RMH status type */
enum {
RMH_SSIZE_FIXED = 0, /* status size fix (st_length = 0..x) */
RMH_SSIZE_ARG = 1, /* status size given in the LSB byte (used with st_length = 1) */
RMH_SSIZE_MASK = 2, /* status size given in bitmask (used with st_length = 1) */
};
/*
* Array of DSP commands
*/
static struct pcxhr_cmd_info pcxhr_dsp_cmds[] = {
[CMD_VERSION] = { 0x010000, 1, RMH_SSIZE_FIXED },
[CMD_SUPPORTED] = { 0x020000, 4, RMH_SSIZE_FIXED },
[CMD_TEST_IT] = { 0x040000, 1, RMH_SSIZE_FIXED },
[CMD_SEND_IRQA] = { 0x070001, 0, RMH_SSIZE_FIXED },
[CMD_ACCESS_IO_WRITE] = { 0x090000, 1, RMH_SSIZE_ARG },
[CMD_ACCESS_IO_READ] = { 0x094000, 1, RMH_SSIZE_ARG },
[CMD_ASYNC] = { 0x0a0000, 1, RMH_SSIZE_ARG },
[CMD_MODIFY_CLOCK] = { 0x0d0000, 0, RMH_SSIZE_FIXED },
[CMD_RESYNC_AUDIO_INPUTS] = { 0x0e0000, 0, RMH_SSIZE_FIXED },
[CMD_GET_DSP_RESOURCES] = { 0x100000, 4, RMH_SSIZE_FIXED },
[CMD_SET_TIMER_INTERRUPT] = { 0x110000, 0, RMH_SSIZE_FIXED },
[CMD_RES_PIPE] = { 0x400000, 0, RMH_SSIZE_FIXED },
[CMD_FREE_PIPE] = { 0x410000, 0, RMH_SSIZE_FIXED },
[CMD_CONF_PIPE] = { 0x422101, 0, RMH_SSIZE_FIXED },
[CMD_STOP_PIPE] = { 0x470004, 0, RMH_SSIZE_FIXED },
[CMD_PIPE_SAMPLE_COUNT] = { 0x49a000, 2, RMH_SSIZE_FIXED },
[CMD_CAN_START_PIPE] = { 0x4b0000, 1, RMH_SSIZE_FIXED },
[CMD_START_STREAM] = { 0x802000, 0, RMH_SSIZE_FIXED },
[CMD_STREAM_OUT_LEVEL_ADJUST] = { 0x822000, 0, RMH_SSIZE_FIXED },
[CMD_STOP_STREAM] = { 0x832000, 0, RMH_SSIZE_FIXED },
[CMD_UPDATE_R_BUFFERS] = { 0x840000, 0, RMH_SSIZE_FIXED },
[CMD_FORMAT_STREAM_OUT] = { 0x860000, 0, RMH_SSIZE_FIXED },
[CMD_FORMAT_STREAM_IN] = { 0x870000, 0, RMH_SSIZE_FIXED },
[CMD_STREAM_SAMPLE_COUNT] = { 0x902000, 2, RMH_SSIZE_FIXED }, /* stat_len = nb_streams * 2 */
[CMD_AUDIO_LEVEL_ADJUST] = { 0xc22000, 0, RMH_SSIZE_FIXED },
};
#ifdef CONFIG_SND_DEBUG_DETECT
static char* cmd_names[] = {
[CMD_VERSION] = "CMD_VERSION",
[CMD_SUPPORTED] = "CMD_SUPPORTED",
[CMD_TEST_IT] = "CMD_TEST_IT",
[CMD_SEND_IRQA] = "CMD_SEND_IRQA",
[CMD_ACCESS_IO_WRITE] = "CMD_ACCESS_IO_WRITE",
[CMD_ACCESS_IO_READ] = "CMD_ACCESS_IO_READ",
[CMD_ASYNC] = "CMD_ASYNC",
[CMD_MODIFY_CLOCK] = "CMD_MODIFY_CLOCK",
[CMD_RESYNC_AUDIO_INPUTS] = "CMD_RESYNC_AUDIO_INPUTS",
[CMD_GET_DSP_RESOURCES] = "CMD_GET_DSP_RESOURCES",
[CMD_SET_TIMER_INTERRUPT] = "CMD_SET_TIMER_INTERRUPT",
[CMD_RES_PIPE] = "CMD_RES_PIPE",
[CMD_FREE_PIPE] = "CMD_FREE_PIPE",
[CMD_CONF_PIPE] = "CMD_CONF_PIPE",
[CMD_STOP_PIPE] = "CMD_STOP_PIPE",
[CMD_PIPE_SAMPLE_COUNT] = "CMD_PIPE_SAMPLE_COUNT",
[CMD_CAN_START_PIPE] = "CMD_CAN_START_PIPE",
[CMD_START_STREAM] = "CMD_START_STREAM",
[CMD_STREAM_OUT_LEVEL_ADJUST] = "CMD_STREAM_OUT_LEVEL_ADJUST",
[CMD_STOP_STREAM] = "CMD_STOP_STREAM",
[CMD_UPDATE_R_BUFFERS] = "CMD_UPDATE_R_BUFFERS",
[CMD_FORMAT_STREAM_OUT] = "CMD_FORMAT_STREAM_OUT",
[CMD_FORMAT_STREAM_IN] = "CMD_FORMAT_STREAM_IN",
[CMD_STREAM_SAMPLE_COUNT] = "CMD_STREAM_SAMPLE_COUNT",
[CMD_AUDIO_LEVEL_ADJUST] = "CMD_AUDIO_LEVEL_ADJUST",
};
#endif
static int pcxhr_read_rmh_status(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh)
{
int err;
int i;
u32 data;
u32 size_mask;
unsigned char reg;
int max_stat_len;
if (rmh->stat_len < PCXHR_SIZE_MAX_STATUS)
max_stat_len = PCXHR_SIZE_MAX_STATUS;
else max_stat_len = rmh->stat_len;
for (i = 0; i < rmh->stat_len; i++) {
/* wait for receiver full */
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_RXDF,
PCXHR_ISR_HI08_RXDF, PCXHR_TIMEOUT_DSP, &reg);
if (err) {
snd_printk(KERN_ERR "ERROR RMH stat: ISR:RXDF=1 (ISR = %x; i=%d )\n",
reg, i);
return err;
}
/* read data */
data = PCXHR_INPB(mgr, PCXHR_DSP_TXH) << 16;
data |= PCXHR_INPB(mgr, PCXHR_DSP_TXM) << 8;
data |= PCXHR_INPB(mgr, PCXHR_DSP_TXL);
/* need to update rmh->stat_len on the fly ?? */
if (i==0) {
if (rmh->dsp_stat != RMH_SSIZE_FIXED) {
if (rmh->dsp_stat == RMH_SSIZE_ARG) {
rmh->stat_len = (u16)(data & 0x0000ff) + 1;
data &= 0xffff00;
} else {
/* rmh->dsp_stat == RMH_SSIZE_MASK */
rmh->stat_len = 1;
size_mask = data;
while (size_mask) {
if (size_mask & 1)
rmh->stat_len++;
size_mask >>= 1;
}
}
}
}
#ifdef CONFIG_SND_DEBUG_DETECT
if (rmh->cmd_idx < CMD_LAST_INDEX)
snd_printdd(" stat[%d]=%x\n", i, data);
#endif
if (i < max_stat_len)
rmh->stat[i] = data;
}
if (rmh->stat_len > max_stat_len) {
snd_printdd("PCXHR : rmh->stat_len=%x too big\n", rmh->stat_len);
rmh->stat_len = max_stat_len;
}
return 0;
}
static int pcxhr_send_msg_nolock(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh)
{
int err;
int i;
u32 data;
unsigned char reg;
snd_assert(rmh->cmd_len<PCXHR_SIZE_MAX_CMD, return -EINVAL);
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_MESSAGE, 1);
if (err) {
snd_printk(KERN_ERR "pcxhr_send_message : ED_DSP_CRASHED\n");
return err;
}
/* wait for chk bit */
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK,
PCXHR_ISR_HI08_CHK, PCXHR_TIMEOUT_DSP, &reg);
if (err)
return err;
/* reset irq chk */
err = pcxhr_send_it_dsp(mgr, PCXHR_IT_RESET_CHK, 1);
if (err)
return err;
/* wait for chk bit == 0*/
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK, 0,
PCXHR_TIMEOUT_DSP, &reg);
if (err)
return err;
data = rmh->cmd[0];
if (rmh->cmd_len > 1)
data |= 0x008000; /* MASK_MORE_THAN_1_WORD_COMMAND */
else
data &= 0xff7fff; /* MASK_1_WORD_COMMAND */
#ifdef CONFIG_SND_DEBUG_DETECT
if (rmh->cmd_idx < CMD_LAST_INDEX)
snd_printdd("MSG cmd[0]=%x (%s)\n", data, cmd_names[rmh->cmd_idx]);
#endif
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_TRDY,
PCXHR_ISR_HI08_TRDY, PCXHR_TIMEOUT_DSP, &reg);
if (err)
return err;
PCXHR_OUTPB(mgr, PCXHR_DSP_TXH, (data>>16)&0xFF);
PCXHR_OUTPB(mgr, PCXHR_DSP_TXM, (data>>8)&0xFF);
PCXHR_OUTPB(mgr, PCXHR_DSP_TXL, (data&0xFF));
if (rmh->cmd_len > 1) {
/* send length */
data = rmh->cmd_len - 1;
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_TRDY,
PCXHR_ISR_HI08_TRDY, PCXHR_TIMEOUT_DSP, &reg);
if (err)
return err;
PCXHR_OUTPB(mgr, PCXHR_DSP_TXH, (data>>16)&0xFF);
PCXHR_OUTPB(mgr, PCXHR_DSP_TXM, (data>>8)&0xFF);
PCXHR_OUTPB(mgr, PCXHR_DSP_TXL, (data&0xFF));
for (i=1; i < rmh->cmd_len; i++) {
/* send other words */
data = rmh->cmd[i];
#ifdef CONFIG_SND_DEBUG_DETECT
if (rmh->cmd_idx < CMD_LAST_INDEX)
snd_printdd(" cmd[%d]=%x\n", i, data);
#endif
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR,
PCXHR_ISR_HI08_TRDY,
PCXHR_ISR_HI08_TRDY,
PCXHR_TIMEOUT_DSP, &reg);
if (err)
return err;
PCXHR_OUTPB(mgr, PCXHR_DSP_TXH, (data>>16)&0xFF);
PCXHR_OUTPB(mgr, PCXHR_DSP_TXM, (data>>8)&0xFF);
PCXHR_OUTPB(mgr, PCXHR_DSP_TXL, (data&0xFF));
}
}
/* wait for chk bit */
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_CHK,
PCXHR_ISR_HI08_CHK, PCXHR_TIMEOUT_DSP, &reg);
if (err)
return err;
/* test status ISR */
if (reg & PCXHR_ISR_HI08_ERR) {
/* ERROR, wait for receiver full */
err = pcxhr_check_reg_bit(mgr, PCXHR_DSP_ISR, PCXHR_ISR_HI08_RXDF,
PCXHR_ISR_HI08_RXDF, PCXHR_TIMEOUT_DSP, &reg);
if (err) {
snd_printk(KERN_ERR "ERROR RMH: ISR:RXDF=1 (ISR = %x)\n", reg);
return err;
}
/* read error code */
data = PCXHR_INPB(mgr, PCXHR_DSP_TXH) << 16;
data |= PCXHR_INPB(mgr, PCXHR_DSP_TXM) << 8;
data |= PCXHR_INPB(mgr, PCXHR_DSP_TXL);
snd_printk(KERN_ERR "ERROR RMH(%d): 0x%x\n", rmh->cmd_idx, data);
err = -EINVAL;
} else {
/* read the response data */
err = pcxhr_read_rmh_status(mgr, rmh);
}
/* reset semaphore */
if (pcxhr_send_it_dsp(mgr, PCXHR_IT_RESET_SEMAPHORE, 1) < 0)
return -EIO;
return err;
}
/**
* pcxhr_init_rmh - initialize the RMH instance
* @rmh: the rmh pointer to be initialized
* @cmd: the rmh command to be set
*/
void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd)
{
snd_assert(cmd < CMD_LAST_INDEX, return);
rmh->cmd[0] = pcxhr_dsp_cmds[cmd].opcode;
rmh->cmd_len = 1;
rmh->stat_len = pcxhr_dsp_cmds[cmd].st_length;
rmh->dsp_stat = pcxhr_dsp_cmds[cmd].st_type;
rmh->cmd_idx = cmd;
}
void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh *rmh, int capture,
unsigned int param1, unsigned int param2,
unsigned int param3)
{
snd_assert(param1 <= MASK_FIRST_FIELD);
if (capture)
rmh->cmd[0] |= 0x800; /* COMMAND_RECORD_MASK */
if (param1)
rmh->cmd[0] |= (param1 << FIELD_SIZE);
if (param2) {
snd_assert(param2 <= MASK_FIRST_FIELD);
rmh->cmd[0] |= param2;
}
if(param3) {
snd_assert(param3 <= MASK_DSP_WORD);
rmh->cmd[1] = param3;
rmh->cmd_len = 2;
}
}
/*
* pcxhr_send_msg - send a DSP message with spinlock
* @rmh: the rmh record to send and receive
*
* returns 0 if successful, or a negative error code.
*/
int pcxhr_send_msg(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh)
{
unsigned long flags;
int err;
spin_lock_irqsave(&mgr->msg_lock, flags);
err = pcxhr_send_msg_nolock(mgr, rmh);
spin_unlock_irqrestore(&mgr->msg_lock, flags);
return err;
}
static inline int pcxhr_pipes_running(struct pcxhr_mgr *mgr)
{
int start_mask = PCXHR_INPL(mgr, PCXHR_PLX_MBOX2);
/* least segnificant 12 bits are the pipe states for the playback audios */
/* next 12 bits are the pipe states for the capture audios
* (PCXHR_PIPE_STATE_CAPTURE_OFFSET)
*/
start_mask &= 0xffffff;
snd_printdd("CMD_PIPE_STATE MBOX2=0x%06x\n", start_mask);
return start_mask;
}
#define PCXHR_PIPE_STATE_CAPTURE_OFFSET 12
#define MAX_WAIT_FOR_DSP 20
static int pcxhr_prepair_pipe_start(struct pcxhr_mgr *mgr, int audio_mask, int *retry)
{
struct pcxhr_rmh rmh;
int err;
int audio = 0;
*retry = 0;
while (audio_mask) {
if (audio_mask & 1) {
pcxhr_init_rmh(&rmh, CMD_CAN_START_PIPE);
if (audio < PCXHR_PIPE_STATE_CAPTURE_OFFSET) {
/* can start playback pipe */
pcxhr_set_pipe_cmd_params(&rmh, 0, audio, 0, 0);
} else {
/* can start capture pipe */
pcxhr_set_pipe_cmd_params(&rmh, 1, audio -
PCXHR_PIPE_STATE_CAPTURE_OFFSET,
0, 0);
}
err = pcxhr_send_msg(mgr, &rmh);
if (err) {
snd_printk(KERN_ERR
"error pipe start (CMD_CAN_START_PIPE) err=%x!\n",
err);
return err;
}
/* if the pipe couldn't be prepaired for start, retry it later */
if (rmh.stat[0] == 0)
*retry |= (1<<audio);
}
audio_mask>>=1;
audio++;
}
return 0;
}
static int pcxhr_stop_pipes(struct pcxhr_mgr *mgr, int audio_mask)
{
struct pcxhr_rmh rmh;
int err;
int audio = 0;
while (audio_mask) {
if (audio_mask & 1) {
pcxhr_init_rmh(&rmh, CMD_STOP_PIPE);
if (audio < PCXHR_PIPE_STATE_CAPTURE_OFFSET) {
/* stop playback pipe */
pcxhr_set_pipe_cmd_params(&rmh, 0, audio, 0, 0);
} else {
/* stop capture pipe */
pcxhr_set_pipe_cmd_params(&rmh, 1, audio -
PCXHR_PIPE_STATE_CAPTURE_OFFSET,
0, 0);
}
err = pcxhr_send_msg(mgr, &rmh);
if (err) {
snd_printk(KERN_ERR
"error pipe stop (CMD_STOP_PIPE) err=%x!\n",
err);
return err;
}
}
audio_mask>>=1;
audio++;
}
return 0;
}
static int pcxhr_toggle_pipes(struct pcxhr_mgr *mgr, int audio_mask)
{
struct pcxhr_rmh rmh;
int err;
int audio = 0;
while (audio_mask) {
if (audio_mask & 1) {
pcxhr_init_rmh(&rmh, CMD_CONF_PIPE);
if (audio < PCXHR_PIPE_STATE_CAPTURE_OFFSET)
pcxhr_set_pipe_cmd_params(&rmh, 0, 0, 0, 1 << audio);
else
pcxhr_set_pipe_cmd_params(&rmh, 1, 0, 0,
1 << (audio - PCXHR_PIPE_STATE_CAPTURE_OFFSET));
err = pcxhr_send_msg(mgr, &rmh);
if (err) {
snd_printk(KERN_ERR
"error pipe start (CMD_CONF_PIPE) err=%x!\n",
err);
return err;
}
}
audio_mask>>=1;
audio++;
}
/* now fire the interrupt on the card */
pcxhr_init_rmh(&rmh, CMD_SEND_IRQA);
err = pcxhr_send_msg(mgr, &rmh);
if (err) {
snd_printk(KERN_ERR "error pipe start (CMD_SEND_IRQA) err=%x!\n", err );
return err;
}
return 0;
}
int pcxhr_set_pipe_state(struct pcxhr_mgr *mgr, int playback_mask, int capture_mask, int start)
{
int state, i, err;
int audio_mask;
#ifdef CONFIG_SND_DEBUG_DETECT
struct timeval my_tv1, my_tv2;
do_gettimeofday(&my_tv1);
#endif
audio_mask = (playback_mask | (capture_mask << PCXHR_PIPE_STATE_CAPTURE_OFFSET));
/* current pipe state (playback + record) */
state = pcxhr_pipes_running(mgr);
snd_printdd("pcxhr_set_pipe_state %s (mask %x current %x)\n",
start ? "START" : "STOP", audio_mask, state);
if (start) {
audio_mask &= ~state; /* start only pipes that are not yet started */
state = audio_mask;
for (i = 0; i < MAX_WAIT_FOR_DSP; i++) {
err = pcxhr_prepair_pipe_start(mgr, state, &state);
if (err)
return err;
if (state == 0)
break; /* success, all pipes prepaired for start */
mdelay(1); /* otherwise wait 1 millisecond and retry */
}
} else {
audio_mask &= state; /* stop only pipes that are started */
}
if (audio_mask == 0)
return 0;
err = pcxhr_toggle_pipes(mgr, audio_mask);
if (err)
return err;
i = 0;
while (1) {
state = pcxhr_pipes_running(mgr);
/* have all pipes the new state ? */
if ((state & audio_mask) == (start ? audio_mask : 0))
break;
if (++i >= MAX_WAIT_FOR_DSP * 100) {
snd_printk(KERN_ERR "error pipe start/stop (ED_NO_RESPONSE_AT_IRQA)\n");
return -EBUSY;
}
udelay(10); /* wait 10 microseconds */
}
if (!start) {
err = pcxhr_stop_pipes(mgr, audio_mask);
if (err)
return err;
}
#ifdef CONFIG_SND_DEBUG_DETECT
do_gettimeofday(&my_tv2);
snd_printdd("***SET PIPE STATE*** TIME = %ld (err = %x)\n",
my_tv2.tv_usec - my_tv1.tv_usec, err);
#endif
return 0;
}
int pcxhr_write_io_num_reg_cont(struct pcxhr_mgr *mgr, unsigned int mask,
unsigned int value, int *changed)
{
struct pcxhr_rmh rmh;
unsigned long flags;
int err;
spin_lock_irqsave(&mgr->msg_lock, flags);
if ((mgr->io_num_reg_cont & mask) == value) {
snd_printdd("IO_NUM_REG_CONT mask %x already is set to %x\n", mask, value);
if (changed)
*changed = 0;
spin_unlock_irqrestore(&mgr->msg_lock, flags);
return 0; /* already programmed */
}
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
rmh.cmd[0] |= IO_NUM_REG_CONT;
rmh.cmd[1] = mask;
rmh.cmd[2] = value;
rmh.cmd_len = 3;
err = pcxhr_send_msg_nolock(mgr, &rmh);
if (err == 0) {
mgr->io_num_reg_cont &= ~mask;
mgr->io_num_reg_cont |= value;
if (changed)
*changed = 1;
}
spin_unlock_irqrestore(&mgr->msg_lock, flags);
return err;
}
#define PCXHR_IRQ_TIMER 0x000300
#define PCXHR_IRQ_FREQ_CHANGE 0x000800
#define PCXHR_IRQ_TIME_CODE 0x001000
#define PCXHR_IRQ_NOTIFY 0x002000
#define PCXHR_IRQ_ASYNC 0x008000
#define PCXHR_IRQ_MASK 0x00bb00
#define PCXHR_FATAL_DSP_ERR 0xff0000
enum pcxhr_async_err_src {
PCXHR_ERR_PIPE,
PCXHR_ERR_STREAM,
PCXHR_ERR_AUDIO
};
static int pcxhr_handle_async_err(struct pcxhr_mgr *mgr, u32 err,
enum pcxhr_async_err_src err_src, int pipe,
int is_capture)
{
#ifdef CONFIG_SND_DEBUG_DETECT
static char* err_src_name[] = {
[PCXHR_ERR_PIPE] = "Pipe",
[PCXHR_ERR_STREAM] = "Stream",
[PCXHR_ERR_AUDIO] = "Audio"
};
#endif
if (err & 0xfff)
err &= 0xfff;
else
err = ((err >> 12) & 0xfff);
if (!err)
return 0;
snd_printdd("CMD_ASYNC : Error %s %s Pipe %d err=%x\n", err_src_name[err_src],
is_capture ? "Record" : "Play", pipe, err);
if (err == 0xe01)
mgr->async_err_stream_xrun++;
else if (err == 0xe10)
mgr->async_err_pipe_xrun++;
else
mgr->async_err_other_last = (int)err;
return 1;
}
void pcxhr_msg_tasklet(unsigned long arg)
{
struct pcxhr_mgr *mgr = (struct pcxhr_mgr *)(arg);
struct pcxhr_rmh *prmh = mgr->prmh;
int err;
int i, j;
if (mgr->src_it_dsp & PCXHR_IRQ_FREQ_CHANGE)
snd_printdd("TASKLET : PCXHR_IRQ_FREQ_CHANGE event occured\n");
if (mgr->src_it_dsp & PCXHR_IRQ_TIME_CODE)
snd_printdd("TASKLET : PCXHR_IRQ_TIME_CODE event occured\n");
if (mgr->src_it_dsp & PCXHR_IRQ_NOTIFY)
snd_printdd("TASKLET : PCXHR_IRQ_NOTIFY event occured\n");
if (mgr->src_it_dsp & PCXHR_IRQ_ASYNC) {
snd_printdd("TASKLET : PCXHR_IRQ_ASYNC event occured\n");
pcxhr_init_rmh(prmh, CMD_ASYNC);
prmh->cmd[0] |= 1; /* add SEL_ASYNC_EVENTS */
/* this is the only one extra long response command */
prmh->stat_len = PCXHR_SIZE_MAX_LONG_STATUS;
err = pcxhr_send_msg(mgr, prmh);
if (err)
snd_printk(KERN_ERR "ERROR pcxhr_msg_tasklet=%x;\n", err);
i = 1;
while (i < prmh->stat_len) {
int nb_audio = (prmh->stat[i] >> FIELD_SIZE) & MASK_FIRST_FIELD;
int nb_stream = (prmh->stat[i] >> (2*FIELD_SIZE)) & MASK_FIRST_FIELD;
int pipe = prmh->stat[i] & MASK_FIRST_FIELD;
int is_capture = prmh->stat[i] & 0x400000;
u32 err;
if (prmh->stat[i] & 0x800000) { /* if BIT_END */
snd_printdd("TASKLET : End%sPipe %d\n",
is_capture ? "Record" : "Play", pipe);
}
i++;
err = prmh->stat[i] ? prmh->stat[i] : prmh->stat[i+1];
if (err)
pcxhr_handle_async_err(mgr, err, PCXHR_ERR_PIPE,
pipe, is_capture);
i += 2;
for (j = 0; j < nb_stream; j++) {
err = prmh->stat[i] ? prmh->stat[i] : prmh->stat[i+1];
if (err)
pcxhr_handle_async_err(mgr, err, PCXHR_ERR_STREAM,
pipe, is_capture);
i += 2;
}
for (j = 0; j < nb_audio; j++) {
err = prmh->stat[i] ? prmh->stat[i] : prmh->stat[i+1];
if (err)
pcxhr_handle_async_err(mgr, err, PCXHR_ERR_AUDIO,
pipe, is_capture);
i += 2;
}
}
}
}
static u_int64_t pcxhr_stream_read_position(struct pcxhr_mgr *mgr,
struct pcxhr_stream *stream)
{
u_int64_t hw_sample_count;
struct pcxhr_rmh rmh;
int err, stream_mask;
stream_mask = stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
/* get sample count for one stream */
pcxhr_init_rmh(&rmh, CMD_STREAM_SAMPLE_COUNT);
pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
stream->pipe->first_audio, 0, stream_mask);
/* rmh.stat_len = 2; */ /* 2 resp data for each stream of the pipe */
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return 0;
hw_sample_count = ((u_int64_t)rmh.stat[0]) << 24;
hw_sample_count += (u_int64_t)rmh.stat[1];
snd_printdd("stream %c%d : abs samples real(%ld) timer(%ld)\n",
stream->pipe->is_capture ? 'C':'P', stream->substream->number,
(long unsigned int)hw_sample_count,
(long unsigned int)(stream->timer_abs_periods +
stream->timer_period_frag + PCXHR_GRANULARITY));
return hw_sample_count;
}
static void pcxhr_update_timer_pos(struct pcxhr_mgr *mgr,
struct pcxhr_stream *stream, int samples_to_add)
{
if (stream->substream && (stream->status == PCXHR_STREAM_STATUS_RUNNING)) {
u_int64_t new_sample_count;
int elapsed = 0;
int hardware_read = 0;
struct snd_pcm_runtime *runtime = stream->substream->runtime;
if (samples_to_add < 0) {
stream->timer_is_synced = 0;
/* add default if no hardware_read possible */
samples_to_add = PCXHR_GRANULARITY;
}
if (!stream->timer_is_synced) {
if (stream->timer_abs_periods != 0 ||
stream->timer_period_frag + PCXHR_GRANULARITY >=
runtime->period_size) {
new_sample_count = pcxhr_stream_read_position(mgr, stream);
hardware_read = 1;
if (new_sample_count >= PCXHR_GRANULARITY_MIN) {
/* sub security offset because of jitter and
* finer granularity of dsp time (MBOX4)
*/
new_sample_count -= PCXHR_GRANULARITY_MIN;
stream->timer_is_synced = 1;
}
}
}
if (!hardware_read) {
/* if we didn't try to sync the position, increment it
* by PCXHR_GRANULARITY every timer interrupt
*/
new_sample_count = stream->timer_abs_periods +
stream->timer_period_frag + samples_to_add;
}
while (1) {
u_int64_t new_elapse_pos = stream->timer_abs_periods +
runtime->period_size;
if (new_elapse_pos > new_sample_count)
break;
elapsed = 1;
stream->timer_buf_periods++;
if (stream->timer_buf_periods >= runtime->periods)
stream->timer_buf_periods = 0;
stream->timer_abs_periods = new_elapse_pos;
}
if (new_sample_count >= stream->timer_abs_periods)
stream->timer_period_frag = (u_int32_t)(new_sample_count -
stream->timer_abs_periods);
else
snd_printk(KERN_ERR "ERROR new_sample_count too small ??? %lx\n",
(long unsigned int)new_sample_count);
if (elapsed) {
spin_unlock(&mgr->lock);
snd_pcm_period_elapsed(stream->substream);
spin_lock(&mgr->lock);
}
}
}
irqreturn_t pcxhr_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
struct pcxhr_mgr *mgr = dev_id;
unsigned int reg;
int i, j;
struct snd_pcxhr *chip;
spin_lock(&mgr->lock);
reg = PCXHR_INPL(mgr, PCXHR_PLX_IRQCS);
if (! (reg & PCXHR_IRQCS_ACTIVE_PCIDB)) {
spin_unlock(&mgr->lock);
return IRQ_NONE; /* this device did not cause the interrupt */
}
/* clear interrupt */
reg = PCXHR_INPL(mgr, PCXHR_PLX_L2PCIDB);
PCXHR_OUTPL(mgr, PCXHR_PLX_L2PCIDB, reg);
/* timer irq occured */
if (reg & PCXHR_IRQ_TIMER) {
int timer_toggle = reg & PCXHR_IRQ_TIMER;
/* is a 24 bit counter */
int dsp_time_new = PCXHR_INPL(mgr, PCXHR_PLX_MBOX4) & PCXHR_DSP_TIME_MASK;
int dsp_time_diff = dsp_time_new - mgr->dsp_time_last;
if (dsp_time_diff < 0 && mgr->dsp_time_last != PCXHR_DSP_TIME_INVALID) {
snd_printdd("ERROR DSP TIME old(%d) new(%d) -> "
"resynchronize all streams\n",
mgr->dsp_time_last, dsp_time_new);
mgr->dsp_time_err++;
}
#ifdef CONFIG_SND_DEBUG_DETECT
if (dsp_time_diff == 0)
snd_printdd("ERROR DSP TIME NO DIFF time(%d)\n", dsp_time_new);
else if (dsp_time_diff >= (2*PCXHR_GRANULARITY))
snd_printdd("ERROR DSP TIME TOO BIG old(%d) add(%d)\n",
mgr->dsp_time_last, dsp_time_new - mgr->dsp_time_last);
#endif
mgr->dsp_time_last = dsp_time_new;
if (timer_toggle == mgr->timer_toggle)
snd_printk(KERN_ERR "ERROR TIMER TOGGLE\n");
mgr->timer_toggle = timer_toggle;
reg &= ~PCXHR_IRQ_TIMER;
for (i = 0; i < mgr->num_cards; i++) {
chip = mgr->chip[i];
for (j = 0; j < chip->nb_streams_capt; j++)
pcxhr_update_timer_pos(mgr, &chip->capture_stream[j],
dsp_time_diff);
}
for (i = 0; i < mgr->num_cards; i++) {
chip = mgr->chip[i];
for (j = 0; j < chip->nb_streams_play; j++)
pcxhr_update_timer_pos(mgr, &chip->playback_stream[j],
dsp_time_diff);
}
}
/* other irq's handled in the tasklet */
if (reg & PCXHR_IRQ_MASK) {
/* as we didn't request any notifications, some kind of xrun error
* will probably occured
*/
/* better resynchronize all streams next interrupt : */
mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;
mgr->src_it_dsp = reg;
tasklet_hi_schedule(&mgr->msg_taskq);
}
#ifdef CONFIG_SND_DEBUG_DETECT
if (reg & PCXHR_FATAL_DSP_ERR)
snd_printdd("FATAL DSP ERROR : %x\n", reg);
#endif
spin_unlock(&mgr->lock);
return IRQ_HANDLED; /* this device caused the interrupt */
}
/*
* Driver for Digigram pcxhr compatible soundcards
*
* low level interface with interrupt ans message handling
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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
*/
#ifndef __SOUND_PCXHR_CORE_H
#define __SOUND_PCXHR_CORE_H
struct firmware;
struct pcxhr_mgr;
/* init and firmware download commands */
void pcxhr_reset_xilinx_com(struct pcxhr_mgr *mgr);
void pcxhr_reset_dsp(struct pcxhr_mgr *mgr);
void pcxhr_enable_dsp(struct pcxhr_mgr *mgr);
int pcxhr_load_xilinx_binary(struct pcxhr_mgr *mgr, const struct firmware *xilinx, int second);
int pcxhr_load_eeprom_binary(struct pcxhr_mgr *mgr, const struct firmware *eeprom);
int pcxhr_load_boot_binary(struct pcxhr_mgr *mgr, const struct firmware *boot);
int pcxhr_load_dsp_binary(struct pcxhr_mgr *mgr, const struct firmware *dsp);
/* DSP time available on MailBox4 register : 24 bit time samples() */
#define PCXHR_DSP_TIME_MASK 0x00ffffff
#define PCXHR_DSP_TIME_INVALID 0x10000000
#define PCXHR_SIZE_MAX_CMD 8
#define PCXHR_SIZE_MAX_STATUS 16
#define PCXHR_SIZE_MAX_LONG_STATUS 256
struct pcxhr_rmh {
u16 cmd_len; /* length of the command to send (WORDs) */
u16 stat_len; /* length of the status received (WORDs) */
u16 dsp_stat; /* status type, RMP_SSIZE_XXX */
u16 cmd_idx; /* index of the command */
u32 cmd[PCXHR_SIZE_MAX_CMD];
u32 stat[PCXHR_SIZE_MAX_STATUS];
};
enum {
CMD_VERSION, /* cmd_len = 2 stat_len = 1 */
CMD_SUPPORTED, /* cmd_len = 1 stat_len = 4 */
CMD_TEST_IT, /* cmd_len = 1 stat_len = 1 */
CMD_SEND_IRQA, /* cmd_len = 1 stat_len = 0 */
CMD_ACCESS_IO_WRITE, /* cmd_len >= 1 stat_len >= 1 */
CMD_ACCESS_IO_READ, /* cmd_len >= 1 stat_len >= 1 */
CMD_ASYNC, /* cmd_len = 1 stat_len = 1 */
CMD_MODIFY_CLOCK, /* cmd_len = 3 stat_len = 0 */
CMD_RESYNC_AUDIO_INPUTS, /* cmd_len = 1 stat_len = 0 */
CMD_GET_DSP_RESOURCES, /* cmd_len = 1 stat_len = 4 */
CMD_SET_TIMER_INTERRUPT, /* cmd_len = 1 stat_len = 0 */
CMD_RES_PIPE, /* cmd_len = 2 stat_len = 0 */
CMD_FREE_PIPE, /* cmd_len = 1 stat_len = 0 */
CMD_CONF_PIPE, /* cmd_len = 2 stat_len = 0 */
CMD_STOP_PIPE, /* cmd_len = 1 stat_len = 0 */
CMD_PIPE_SAMPLE_COUNT, /* cmd_len = 2 stat_len = 2 */
CMD_CAN_START_PIPE, /* cmd_len >= 1 stat_len = 1 */
CMD_START_STREAM, /* cmd_len = 2 stat_len = 0 */
CMD_STREAM_OUT_LEVEL_ADJUST, /* cmd_len >= 1 stat_len = 0 */
CMD_STOP_STREAM, /* cmd_len = 2 stat_len = 0 */
CMD_UPDATE_R_BUFFERS, /* cmd_len = 4 stat_len = 0 */
CMD_FORMAT_STREAM_OUT, /* cmd_len >= 2 stat_len = 0 */
CMD_FORMAT_STREAM_IN, /* cmd_len >= 4 stat_len = 0 */
CMD_STREAM_SAMPLE_COUNT, /* cmd_len = 2 stat_len = (2 * nb_stream) */
CMD_AUDIO_LEVEL_ADJUST, /* cmd_len = 3 stat_len = 0 */
CMD_LAST_INDEX
};
#define MASK_DSP_WORD 0x00ffffff
#define MASK_ALL_STREAM 0x00ffffff
#define MASK_DSP_WORD_LEVEL 0x000001ff
#define MASK_FIRST_FIELD 0x0000001f
#define FIELD_SIZE 5
/*
init the rmh struct; by default cmd_len is set to 1
*/
void pcxhr_init_rmh(struct pcxhr_rmh *rmh, int cmd);
void pcxhr_set_pipe_cmd_params(struct pcxhr_rmh* rmh, int capture, unsigned int param1,
unsigned int param2, unsigned int param3);
/*
send the rmh
*/
int pcxhr_send_msg(struct pcxhr_mgr *mgr, struct pcxhr_rmh *rmh);
/* values used for CMD_ACCESS_IO_WRITE and CMD_ACCESS_IO_READ */
#define IO_NUM_REG_CONT 0
#define IO_NUM_REG_GENCLK 1
#define IO_NUM_REG_MUTE_OUT 2
#define IO_NUM_SPEED_RATIO 4
#define IO_NUM_REG_STATUS 5
#define IO_NUM_REG_CUER 10
#define IO_NUM_UER_CHIP_REG 11
#define IO_NUM_REG_OUT_ANA_LEVEL 20
#define IO_NUM_REG_IN_ANA_LEVEL 21
#define REG_CONT_UNMUTE_INPUTS 0x020000
/* parameters used with register IO_NUM_REG_STATUS */
#define REG_STATUS_OPTIONS 0
#define REG_STATUS_AES_SYNC 8
#define REG_STATUS_AES_1 9
#define REG_STATUS_AES_2 10
#define REG_STATUS_AES_3 11
#define REG_STATUS_AES_4 12
#define REG_STATUS_WORD_CLOCK 13
#define REG_STATUS_INTER_SYNC 14
#define REG_STATUS_CURRENT 0x80
/* results */
#define REG_STATUS_OPT_NO_VIDEO_SIGNAL 0x01
#define REG_STATUS_OPT_DAUGHTER_MASK 0x1c
#define REG_STATUS_OPT_ANALOG_BOARD 0x00
#define REG_STATUS_OPT_NO_DAUGHTER 0x1c
#define REG_STATUS_OPT_COMPANION_MASK 0xe0
#define REG_STATUS_OPT_NO_COMPANION 0xe0
#define REG_STATUS_SYNC_32000 0x00
#define REG_STATUS_SYNC_44100 0x01
#define REG_STATUS_SYNC_48000 0x02
#define REG_STATUS_SYNC_64000 0x03
#define REG_STATUS_SYNC_88200 0x04
#define REG_STATUS_SYNC_96000 0x05
#define REG_STATUS_SYNC_128000 0x06
#define REG_STATUS_SYNC_176400 0x07
#define REG_STATUS_SYNC_192000 0x08
int pcxhr_set_pipe_state(struct pcxhr_mgr *mgr, int playback_mask, int capture_mask, int start);
int pcxhr_write_io_num_reg_cont(struct pcxhr_mgr *mgr, unsigned int mask,
unsigned int value, int *changed);
/* codec parameters */
#define CS8416_RUN 0x200401
#define CS8416_FORMAT_DETECT 0x200b00
#define CS8416_CSB0 0x201900
#define CS8416_CSB1 0x201a00
#define CS8416_CSB2 0x201b00
#define CS8416_CSB3 0x201c00
#define CS8416_CSB4 0x201d00
#define CS8416_VERSION 0x207f00
#define CS8420_DATA_FLOW_CTL 0x200301
#define CS8420_CLOCK_SRC_CTL 0x200401
#define CS8420_RECEIVER_ERRORS 0x201000
#define CS8420_SRC_RATIO 0x201e00
#define CS8420_CSB0 0x202000
#define CS8420_CSB1 0x202100
#define CS8420_CSB2 0x202200
#define CS8420_CSB3 0x202300
#define CS8420_CSB4 0x202400
#define CS8420_VERSION 0x207f00
#define CS4271_MODE_CTL_1 0x200101
#define CS4271_DAC_CTL 0x200201
#define CS4271_VOLMIX 0x200301
#define CS4271_VOLMUTE_LEFT 0x200401
#define CS4271_VOLMUTE_RIGHT 0x200501
#define CS4271_ADC_CTL 0x200601
#define CS4271_MODE_CTL_2 0x200701
#define CHIP_SIG_AND_MAP_SPI 0xff7f00
/* codec selection */
#define CS4271_01_CS 0x160018
#define CS4271_23_CS 0x160019
#define CS4271_45_CS 0x16001a
#define CS4271_67_CS 0x16001b
#define CS4271_89_CS 0x16001c
#define CS4271_AB_CS 0x16001d
#define CS8420_01_CS 0x080090
#define CS8420_23_CS 0x080092
#define CS8420_45_CS 0x080094
#define CS8420_67_CS 0x080096
#define CS8416_01_CS 0x080098
/* interrupt handling */
irqreturn_t pcxhr_interrupt(int irq, void *dev_id, struct pt_regs *regs);
void pcxhr_msg_tasklet(unsigned long arg);
#endif /* __SOUND_PCXHR_CORE_H */
/*
* Driver for Digigram pcxhr compatible soundcards
*
* hwdep device manager
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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 <sound/driver.h>
#include <linux/interrupt.h>
#include <linux/vmalloc.h>
#include <linux/firmware.h>
#include <linux/pci.h>
#include <asm/io.h>
#include <sound/core.h>
#include <sound/hwdep.h>
#include "pcxhr.h"
#include "pcxhr_mixer.h"
#include "pcxhr_hwdep.h"
#include "pcxhr_core.h"
#if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
#if !defined(CONFIG_USE_PCXHRLOADER) && !defined(CONFIG_SND_PCXHR) /* built-in kernel */
#define SND_PCXHR_FW_LOADER /* use the standard firmware loader */
#endif
#endif
/*
* get basic information and init pcxhr card
*/
static int pcxhr_init_board(struct pcxhr_mgr *mgr)
{
int err;
struct pcxhr_rmh rmh;
int card_streams;
/* calc the number of all streams used */
if (mgr->mono_capture)
card_streams = mgr->capture_chips * 2;
else
card_streams = mgr->capture_chips;
card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
/* enable interrupts */
pcxhr_enable_dsp(mgr);
pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
/* test 8 or 12 phys out */
snd_assert((rmh.stat[0] & MASK_FIRST_FIELD) == mgr->playback_chips*2,
return -EINVAL);
/* test 8 or 2 phys in */
snd_assert(((rmh.stat[0] >> (2*FIELD_SIZE)) & MASK_FIRST_FIELD) ==
mgr->capture_chips * 2, return -EINVAL);
/* test max nb substream per board */
snd_assert((rmh.stat[1] & 0x5F) >= card_streams, return -EINVAL);
/* test max nb substream per pipe */
snd_assert(((rmh.stat[1]>>7)&0x5F) >= PCXHR_PLAYBACK_STREAMS, return -EINVAL);
pcxhr_init_rmh(&rmh, CMD_VERSION);
/* firmware num for DSP */
rmh.cmd[0] |= mgr->firmware_num;
/* transfer granularity in samples (should be multiple of 48) */
rmh.cmd[1] = (1<<23) + PCXHR_GRANULARITY;
rmh.cmd_len = 2;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
snd_printdd("PCXHR DSP version is %d.%d.%d\n",
(rmh.stat[0]>>16)&0xff, (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
mgr->dsp_version = rmh.stat[0];
/* get options */
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
rmh.cmd[0] |= IO_NUM_REG_STATUS;
rmh.cmd[1] = REG_STATUS_OPTIONS;
rmh.cmd_len = 2;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) == REG_STATUS_OPT_ANALOG_BOARD)
mgr->board_has_analog = 1; /* analog addon board available */
else
/* analog addon board not available -> no support for instance */
return -EINVAL;
/* unmute inputs */
err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
REG_CONT_UNMUTE_INPUTS, NULL);
if (err)
return err;
/* unmute outputs */
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* a write to IO_NUM_REG_MUTE_OUT mutes! */
rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
err = pcxhr_send_msg(mgr, &rmh);
return err;
}
void pcxhr_reset_board(struct pcxhr_mgr *mgr)
{
struct pcxhr_rmh rmh;
if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
/* mute outputs */
/* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
pcxhr_send_msg(mgr, &rmh);
/* mute inputs */
pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS, 0, NULL);
}
/* reset pcxhr dsp */
if (mgr->dsp_loaded & ( 1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
pcxhr_reset_dsp(mgr);
/* reset second xilinx */
if (mgr->dsp_loaded & ( 1 << PCXHR_FIRMWARE_XLX_COM_INDEX))
pcxhr_reset_xilinx_com(mgr);
return;
}
/*
* allocate a playback/capture pipe (pcmp0/pcmc0)
*/
static int pcxhr_dsp_allocate_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe,
int is_capture, int pin)
{
int stream_count, audio_count;
int err;
struct pcxhr_rmh rmh;
if (is_capture) {
stream_count = 1;
if (mgr->mono_capture)
audio_count = 1;
else
audio_count = 2;
} else {
stream_count = PCXHR_PLAYBACK_STREAMS;
audio_count = 2; /* always stereo */
}
snd_printdd("snd_add_ref_pipe pin(%d) pcm%c0\n", pin, is_capture ? 'c' : 'p');
pipe->is_capture = is_capture;
pipe->first_audio = pin;
/* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin, audio_count, stream_count);
err = pcxhr_send_msg(mgr, &rmh);
if (err < 0) {
snd_printk(KERN_ERR "error pipe allocation (CMD_RES_PIPE) err=%x!\n", err );
return err;
}
pipe->status = PCXHR_PIPE_DEFINED;
return 0;
}
/*
* free playback/capture pipe (pcmp0/pcmc0)
*/
#if 0
static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
{
struct pcxhr_rmh rmh;
int capture_mask = 0;
int playback_mask = 0;
int err = 0;
if (pipe->is_capture)
capture_mask = (1 << pipe->first_audio);
else
playback_mask = (1 << pipe->first_audio);
/* stop one pipe */
err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
if (err < 0)
snd_printk(KERN_ERR "error stopping pipe!\n");
/* release the pipe */
pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio, 0, 0);
err = pcxhr_send_msg(mgr, &rmh);
if (err < 0)
snd_printk(KERN_ERR "error pipe release (CMD_FREE_PIPE) err(%x)\n", err);
pipe->status = PCXHR_PIPE_UNDEFINED;
return err;
}
#endif
static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
{
int err, i, j;
struct snd_pcxhr *chip;
struct pcxhr_pipe *pipe;
/* allocate the pipes on the dsp */
for (i = 0; i < mgr->num_cards; i++) {
chip = mgr->chip[i];
if (chip->nb_streams_play) {
pipe = &chip->playback_pipe;
err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
if (err)
return err;
for(j = 0; j < chip->nb_streams_play; j++)
chip->playback_stream[j].pipe = pipe;
}
for (j = 0; j < chip->nb_streams_capt; j++) {
pipe = &chip->capture_pipe[j];
err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
if (err)
return err;
chip->capture_stream[j].pipe = pipe;
}
}
return 0;
}
static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
{
int i, j;
struct snd_pcxhr *chip;
int playback_mask = 0;
int capture_mask = 0;
/* start all the pipes on the dsp */
for (i = 0; i < mgr->num_cards; i++) {
chip = mgr->chip[i];
if (chip->nb_streams_play)
playback_mask |= (1 << chip->playback_pipe.first_audio);
for (j = 0; j < chip->nb_streams_capt; j++)
capture_mask |= (1 << chip->capture_pipe[j].first_audio);
}
return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
}
static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index, const struct firmware *dsp)
{
int err, card_index;
snd_printdd("loading dsp [%d] size = %Zd\n", index, dsp->size);
switch (index) {
case PCXHR_FIRMWARE_XLX_INT_INDEX:
pcxhr_reset_xilinx_com(mgr);
return pcxhr_load_xilinx_binary(mgr, dsp, 0);
case PCXHR_FIRMWARE_XLX_COM_INDEX:
pcxhr_reset_xilinx_com(mgr);
return pcxhr_load_xilinx_binary(mgr, dsp, 1);
case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
pcxhr_reset_dsp(mgr);
return pcxhr_load_eeprom_binary(mgr, dsp);
case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
return pcxhr_load_boot_binary(mgr, dsp);
case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
err = pcxhr_load_dsp_binary(mgr, dsp);
if (err)
return err;
break; /* continue with first init */
default:
snd_printk(KERN_ERR "wrong file index\n");
return -EFAULT;
} /* end of switch file index*/
/* first communication with embedded */
err = pcxhr_init_board(mgr);
if (err < 0) {
snd_printk(KERN_ERR "pcxhr could not be set up\n");
return err;
}
err = pcxhr_config_pipes(mgr);
if (err < 0) {
snd_printk(KERN_ERR "pcxhr pipes could not be set up\n");
return err;
}
/* create devices and mixer in accordance with HW options*/
for (card_index = 0; card_index < mgr->num_cards; card_index++) {
struct snd_pcxhr *chip = mgr->chip[card_index];
if ((err = pcxhr_create_pcm(chip)) < 0)
return err;
if (card_index == 0) {
if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
return err;
}
if ((err = snd_card_register(chip->card)) < 0)
return err;
}
err = pcxhr_start_pipes(mgr);
if (err < 0) {
snd_printk(KERN_ERR "pcxhr pipes could not be started\n");
return err;
}
snd_printdd("pcxhr firmware downloaded and successfully set up\n");
return 0;
}
/*
* fw loader entry
*/
#ifdef SND_PCXHR_FW_LOADER
int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
{
static char *fw_files[5] = {
"xi_1_882.dat",
"xc_1_882.dat",
"e321_512.e56",
"b321_512.b56",
"d321_512.d56"
};
char path[32];
const struct firmware *fw_entry;
int i, err;
for (i = 0; i < ARRAY_SIZE(fw_files); i++) {
sprintf(path, "pcxhr/%s", fw_files[i]);
if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
snd_printk(KERN_ERR "pcxhr: can't load firmware %s\n", path);
return -ENOENT;
}
/* fake hwdep dsp record */
err = pcxhr_dsp_load(mgr, i, fw_entry);
release_firmware(fw_entry);
if (err < 0)
return err;
mgr->dsp_loaded |= 1 << i;
}
return 0;
}
#else /* old style firmware loading */
/* pcxhr hwdep interface id string */
#define PCXHR_HWDEP_ID "pcxhr loader"
static int pcxhr_hwdep_dsp_status(struct snd_hwdep *hw,
struct snd_hwdep_dsp_status *info)
{
strcpy(info->id, "pcxhr");
info->num_dsps = PCXHR_FIRMWARE_FILES_MAX_INDEX;
if (hw->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))
info->chip_ready = 1;
info->version = PCXHR_DRIVER_VERSION;
return 0;
}
static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw,
struct snd_hwdep_dsp_image *dsp)
{
struct pcxhr_mgr *mgr = hw->private_data;
int err;
struct firmware fw;
fw.size = dsp->length;
fw.data = vmalloc(fw.size);
if (! fw.data) {
snd_printk(KERN_ERR "pcxhr: cannot allocate dsp image (%d bytes)\n",
fw.size);
return -ENOMEM;
}
if (copy_from_user(fw.data, dsp->image, dsp->length)) {
vfree(fw.data);
return -EFAULT;
}
err = pcxhr_dsp_load(mgr, dsp->index, &fw);
vfree(fw.data);
if (err < 0)
return err;
mgr->dsp_loaded |= 1 << dsp->index;
return 0;
}
static int pcxhr_hwdep_open(struct snd_hwdep *hw, struct file *file)
{
return 0;
}
static int pcxhr_hwdep_release(struct snd_hwdep *hw, struct file *file)
{
return 0;
}
int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
{
int err;
struct snd_hwdep *hw;
/* only create hwdep interface for first cardX (see "index" module parameter)*/
if ((err = snd_hwdep_new(mgr->chip[0]->card, PCXHR_HWDEP_ID, 0, &hw)) < 0)
return err;
hw->iface = SNDRV_HWDEP_IFACE_PCXHR;
hw->private_data = mgr;
hw->ops.open = pcxhr_hwdep_open;
hw->ops.release = pcxhr_hwdep_release;
hw->ops.dsp_status = pcxhr_hwdep_dsp_status;
hw->ops.dsp_load = pcxhr_hwdep_dsp_load;
hw->exclusive = 1;
mgr->dsp_loaded = 0;
sprintf(hw->name, PCXHR_HWDEP_ID);
if ((err = snd_card_register(mgr->chip[0]->card)) < 0)
return err;
return 0;
}
#endif /* SND_PCXHR_FW_LOADER */
/*
* Driver for Digigram pcxhr compatible soundcards
*
* definitions and makros for basic card access
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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
*/
#ifndef __SOUND_PCXHR_HWDEP_H
#define __SOUND_PCXHR_HWDEP_H
/* firmware status codes */
#define PCXHR_FIRMWARE_XLX_INT_INDEX 0
#define PCXHR_FIRMWARE_XLX_COM_INDEX 1
#define PCXHR_FIRMWARE_DSP_EPRM_INDEX 2
#define PCXHR_FIRMWARE_DSP_BOOT_INDEX 3
#define PCXHR_FIRMWARE_DSP_MAIN_INDEX 4
#define PCXHR_FIRMWARE_FILES_MAX_INDEX 5
/* exported */
int pcxhr_setup_firmware(struct pcxhr_mgr *mgr);
void pcxhr_reset_board(struct pcxhr_mgr *mgr);
#endif /* __SOUND_PCXHR_HWDEP_H */
#define __NO_VERSION__
/*
* Driver for Digigram pcxhr compatible soundcards
*
* mixer callbacks
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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 <sound/driver.h>
#include <linux/time.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <sound/core.h>
#include "pcxhr.h"
#include "pcxhr_hwdep.h"
#include "pcxhr_core.h"
#include <sound/control.h>
#include <sound/asoundef.h>
#include "pcxhr_mixer.h"
#define PCXHR_ANALOG_CAPTURE_LEVEL_MIN 0 /* -96.0 dB */
#define PCXHR_ANALOG_CAPTURE_LEVEL_MAX 255 /* +31.5 dB */
#define PCXHR_ANALOG_CAPTURE_ZERO_LEVEL 224 /* +16.0 dB ( +31.5 dB - fix level +15.5 dB ) */
#define PCXHR_ANALOG_PLAYBACK_LEVEL_MIN 0 /* -128.0 dB */
#define PCXHR_ANALOG_PLAYBACK_LEVEL_MAX 128 /* 0.0 dB */
#define PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL 104 /* -24.0 dB ( 0.0 dB - fix level +24.0 dB ) */
static int pcxhr_update_analog_audio_level(struct snd_pcxhr *chip, int is_capture, int channel)
{
int err, vol;
struct pcxhr_rmh rmh;
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
if (is_capture) {
rmh.cmd[0] |= IO_NUM_REG_IN_ANA_LEVEL;
rmh.cmd[2] = chip->analog_capture_volume[channel];
} else {
rmh.cmd[0] |= IO_NUM_REG_OUT_ANA_LEVEL;
if (chip->analog_playback_active[channel])
vol = chip->analog_playback_volume[channel];
else
vol = PCXHR_ANALOG_PLAYBACK_LEVEL_MIN;
rmh.cmd[2] = PCXHR_ANALOG_PLAYBACK_LEVEL_MAX - vol; /* playback analog levels are inversed */
}
rmh.cmd[1] = 1 << ((2 * chip->chip_idx) + channel); /* audio mask */
rmh.cmd_len = 3;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err < 0) {
snd_printk(KERN_DEBUG "error update_analog_audio_level card(%d) "
"is_capture(%d) err(%x)\n", chip->chip_idx, is_capture, err);
return -EINVAL;
}
return 0;
}
/*
* analog level control
*/
static int pcxhr_analog_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
if (kcontrol->private_value == 0) { /* playback */
uinfo->value.integer.min = PCXHR_ANALOG_PLAYBACK_LEVEL_MIN; /* -128 dB */
uinfo->value.integer.max = PCXHR_ANALOG_PLAYBACK_LEVEL_MAX; /* 0 dB */
} else { /* capture */
uinfo->value.integer.min = PCXHR_ANALOG_CAPTURE_LEVEL_MIN; /* -96 dB */
uinfo->value.integer.max = PCXHR_ANALOG_CAPTURE_LEVEL_MAX; /* 31.5 dB */
}
return 0;
}
static int pcxhr_analog_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
down(&chip->mgr->mixer_mutex);
if (kcontrol->private_value == 0) { /* playback */
ucontrol->value.integer.value[0] = chip->analog_playback_volume[0];
ucontrol->value.integer.value[1] = chip->analog_playback_volume[1];
} else { /* capture */
ucontrol->value.integer.value[0] = chip->analog_capture_volume[0];
ucontrol->value.integer.value[1] = chip->analog_capture_volume[1];
}
up(&chip->mgr->mixer_mutex);
return 0;
}
static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int changed = 0;
int is_capture, i;
down(&chip->mgr->mixer_mutex);
is_capture = (kcontrol->private_value != 0);
for (i = 0; i < 2; i++) {
int new_volume = ucontrol->value.integer.value[i];
int* stored_volume = is_capture ? &chip->analog_capture_volume[i] :
&chip->analog_playback_volume[i];
if (*stored_volume != new_volume) {
*stored_volume = new_volume;
changed = 1;
pcxhr_update_analog_audio_level(chip, is_capture, i);
}
}
up(&chip->mgr->mixer_mutex);
return changed;
}
static struct snd_kcontrol_new pcxhr_control_analog_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
/* name will be filled later */
.info = pcxhr_analog_vol_info,
.get = pcxhr_analog_vol_get,
.put = pcxhr_analog_vol_put,
};
/* shared */
static int pcxhr_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
return 0;
}
static int pcxhr_audio_sw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
down(&chip->mgr->mixer_mutex);
ucontrol->value.integer.value[0] = chip->analog_playback_active[0];
ucontrol->value.integer.value[1] = chip->analog_playback_active[1];
up(&chip->mgr->mixer_mutex);
return 0;
}
static int pcxhr_audio_sw_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int i, changed = 0;
down(&chip->mgr->mixer_mutex);
for(i = 0; i < 2; i++) {
if (chip->analog_playback_active[i] != ucontrol->value.integer.value[i]) {
chip->analog_playback_active[i] = ucontrol->value.integer.value[i];
changed = 1;
pcxhr_update_analog_audio_level(chip, 0, i); /* update playback levels */
}
}
up(&chip->mgr->mixer_mutex);
return changed;
}
static struct snd_kcontrol_new pcxhr_control_output_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Master Playback Switch",
.info = pcxhr_sw_info, /* shared */
.get = pcxhr_audio_sw_get,
.put = pcxhr_audio_sw_put
};
#define PCXHR_DIGITAL_LEVEL_MIN 0x000 /* -110 dB */
#define PCXHR_DIGITAL_LEVEL_MAX 0x1ff /* +18 dB */
#define PCXHR_DIGITAL_ZERO_LEVEL 0x1b7 /* 0 dB */
#define MORE_THAN_ONE_STREAM_LEVEL 0x000001
#define VALID_STREAM_PAN_LEVEL_MASK 0x800000
#define VALID_STREAM_LEVEL_MASK 0x400000
#define VALID_STREAM_LEVEL_1_MASK 0x200000
#define VALID_STREAM_LEVEL_2_MASK 0x100000
static int pcxhr_update_playback_stream_level(struct snd_pcxhr* chip, int idx)
{
int err;
struct pcxhr_rmh rmh;
struct pcxhr_pipe *pipe = &chip->playback_pipe;
int left, right;
if (chip->digital_playback_active[idx][0])
left = chip->digital_playback_volume[idx][0];
else
left = PCXHR_DIGITAL_LEVEL_MIN;
if (chip->digital_playback_active[idx][1])
right = chip->digital_playback_volume[idx][1];
else
right = PCXHR_DIGITAL_LEVEL_MIN;
pcxhr_init_rmh(&rmh, CMD_STREAM_OUT_LEVEL_ADJUST);
/* add pipe and stream mask */
pcxhr_set_pipe_cmd_params(&rmh, 0, pipe->first_audio, 0, 1<<idx);
/* volume left->left / right->right panoramic level */
rmh.cmd[0] |= MORE_THAN_ONE_STREAM_LEVEL;
rmh.cmd[2] = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_1_MASK;
rmh.cmd[2] |= (left << 10);
rmh.cmd[3] = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_2_MASK;
rmh.cmd[3] |= right;
rmh.cmd_len = 4;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err < 0) {
snd_printk(KERN_DEBUG "error update_playback_stream_level "
"card(%d) err(%x)\n", chip->chip_idx, err);
return -EINVAL;
}
return 0;
}
#define AUDIO_IO_HAS_MUTE_LEVEL 0x400000
#define AUDIO_IO_HAS_MUTE_MONITOR_1 0x200000
#define VALID_AUDIO_IO_DIGITAL_LEVEL 0x000001
#define VALID_AUDIO_IO_MONITOR_LEVEL 0x000002
#define VALID_AUDIO_IO_MUTE_LEVEL 0x000004
#define VALID_AUDIO_IO_MUTE_MONITOR_1 0x000008
static int pcxhr_update_audio_pipe_level(struct snd_pcxhr* chip, int capture, int channel)
{
int err;
struct pcxhr_rmh rmh;
struct pcxhr_pipe *pipe;
if (capture)
pipe = &chip->capture_pipe[0];
else
pipe = &chip->playback_pipe;
pcxhr_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
/* add channel mask */
pcxhr_set_pipe_cmd_params(&rmh, capture, 0, 0, 1 << (channel + pipe->first_audio));
/* TODO : if mask (3 << pipe->first_audio) is used, left and right channel
* will be programmed to the same params
*/
if (capture) {
rmh.cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
/* VALID_AUDIO_IO_MUTE_LEVEL not yet handled (capture pipe level) */
rmh.cmd[2] = chip->digital_capture_volume[channel];
} else {
rmh.cmd[0] |= VALID_AUDIO_IO_MONITOR_LEVEL | VALID_AUDIO_IO_MUTE_MONITOR_1;
/* VALID_AUDIO_IO_DIGITAL_LEVEL and VALID_AUDIO_IO_MUTE_LEVEL not yet
* handled (playback pipe level)
*/
rmh.cmd[2] = chip->monitoring_volume[channel] << 10;
if (chip->monitoring_active[channel] == 0)
rmh.cmd[2] |= AUDIO_IO_HAS_MUTE_MONITOR_1;
}
rmh.cmd_len = 3;
err = pcxhr_send_msg(chip->mgr, &rmh);
if(err<0) {
snd_printk(KERN_DEBUG "error update_audio_level card(%d) err(%x)\n",
chip->chip_idx, err);
return -EINVAL;
}
return 0;
}
/* shared */
static int pcxhr_digital_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = PCXHR_DIGITAL_LEVEL_MIN; /* -109.5 dB */
uinfo->value.integer.max = PCXHR_DIGITAL_LEVEL_MAX; /* 18.0 dB */
return 0;
}
static int pcxhr_pcm_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
int *stored_volume;
int is_capture = kcontrol->private_value;
down(&chip->mgr->mixer_mutex);
if (is_capture)
stored_volume = chip->digital_capture_volume; /* digital capture */
else
stored_volume = chip->digital_playback_volume[idx]; /* digital playback */
ucontrol->value.integer.value[0] = stored_volume[0];
ucontrol->value.integer.value[1] = stored_volume[1];
up(&chip->mgr->mixer_mutex);
return 0;
}
static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
int changed = 0;
int is_capture = kcontrol->private_value;
int *stored_volume;
int i;
down(&chip->mgr->mixer_mutex);
if (is_capture)
stored_volume = chip->digital_capture_volume; /* digital capture */
else
stored_volume = chip->digital_playback_volume[idx]; /* digital playback */
for (i = 0; i < 2; i++) {
if (stored_volume[i] != ucontrol->value.integer.value[i]) {
stored_volume[i] = ucontrol->value.integer.value[i];
changed = 1;
if (is_capture) /* update capture volume */
pcxhr_update_audio_pipe_level(chip, 1, i);
}
}
if (! is_capture && changed)
pcxhr_update_playback_stream_level(chip, idx); /* update playback volume */
up(&chip->mgr->mixer_mutex);
return changed;
}
static struct snd_kcontrol_new snd_pcxhr_pcm_vol =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
/* name will be filled later */
/* count will be filled later */
.info = pcxhr_digital_vol_info, /* shared */
.get = pcxhr_pcm_vol_get,
.put = pcxhr_pcm_vol_put,
};
static int pcxhr_pcm_sw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
down(&chip->mgr->mixer_mutex);
ucontrol->value.integer.value[0] = chip->digital_playback_active[idx][0];
ucontrol->value.integer.value[1] = chip->digital_playback_active[idx][1];
up(&chip->mgr->mixer_mutex);
return 0;
}
static int pcxhr_pcm_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int changed = 0;
int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
int i, j;
down(&chip->mgr->mixer_mutex);
j = idx;
for (i = 0; i < 2; i++) {
if (chip->digital_playback_active[j][i] != ucontrol->value.integer.value[i]) {
chip->digital_playback_active[j][i] = ucontrol->value.integer.value[i];
changed = 1;
}
}
if (changed)
pcxhr_update_playback_stream_level(chip, idx);
up(&chip->mgr->mixer_mutex);
return changed;
}
static struct snd_kcontrol_new pcxhr_control_pcm_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Switch",
.count = PCXHR_PLAYBACK_STREAMS,
.info = pcxhr_sw_info, /* shared */
.get = pcxhr_pcm_sw_get,
.put = pcxhr_pcm_sw_put
};
/*
* monitoring level control
*/
static int pcxhr_monitor_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
down(&chip->mgr->mixer_mutex);
ucontrol->value.integer.value[0] = chip->monitoring_volume[0];
ucontrol->value.integer.value[1] = chip->monitoring_volume[1];
up(&chip->mgr->mixer_mutex);
return 0;
}
static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int changed = 0;
int i;
down(&chip->mgr->mixer_mutex);
for (i = 0; i < 2; i++) {
if (chip->monitoring_volume[i] != ucontrol->value.integer.value[i]) {
chip->monitoring_volume[i] = ucontrol->value.integer.value[i];
if(chip->monitoring_active[i]) /* do only when monitoring is unmuted */
/* update monitoring volume and mute */
pcxhr_update_audio_pipe_level(chip, 0, i);
changed = 1;
}
}
up(&chip->mgr->mixer_mutex);
return changed;
}
static struct snd_kcontrol_new pcxhr_control_monitor_vol = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitoring Volume",
.info = pcxhr_digital_vol_info, /* shared */
.get = pcxhr_monitor_vol_get,
.put = pcxhr_monitor_vol_put,
};
/*
* monitoring switch control
*/
static int pcxhr_monitor_sw_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
down(&chip->mgr->mixer_mutex);
ucontrol->value.integer.value[0] = chip->monitoring_active[0];
ucontrol->value.integer.value[1] = chip->monitoring_active[1];
up(&chip->mgr->mixer_mutex);
return 0;
}
static int pcxhr_monitor_sw_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int changed = 0;
int i;
down(&chip->mgr->mixer_mutex);
for (i = 0; i < 2; i++) {
if (chip->monitoring_active[i] != ucontrol->value.integer.value[i]) {
chip->monitoring_active[i] = ucontrol->value.integer.value[i];
changed |= (1<<i); /* mask 0x01 and 0x02 */
}
}
if(changed & 0x01)
/* update left monitoring volume and mute */
pcxhr_update_audio_pipe_level(chip, 0, 0);
if(changed & 0x02)
/* update right monitoring volume and mute */
pcxhr_update_audio_pipe_level(chip, 0, 1);
up(&chip->mgr->mixer_mutex);
return (changed != 0);
}
static struct snd_kcontrol_new pcxhr_control_monitor_sw = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitoring Switch",
.info = pcxhr_sw_info, /* shared */
.get = pcxhr_monitor_sw_get,
.put = pcxhr_monitor_sw_put
};
/*
* audio source select
*/
#define PCXHR_SOURCE_AUDIO01_UER 0x000100
#define PCXHR_SOURCE_AUDIO01_SYNC 0x000200
#define PCXHR_SOURCE_AUDIO23_UER 0x000400
#define PCXHR_SOURCE_AUDIO45_UER 0x001000
#define PCXHR_SOURCE_AUDIO67_UER 0x040000
static int pcxhr_set_audio_source(struct snd_pcxhr* chip)
{
struct pcxhr_rmh rmh;
unsigned int mask, reg;
unsigned int codec;
int err, use_src, changed;
switch (chip->chip_idx) {
case 0 : mask = PCXHR_SOURCE_AUDIO01_UER; codec = CS8420_01_CS; break;
case 1 : mask = PCXHR_SOURCE_AUDIO23_UER; codec = CS8420_23_CS; break;
case 2 : mask = PCXHR_SOURCE_AUDIO45_UER; codec = CS8420_45_CS; break;
case 3 : mask = PCXHR_SOURCE_AUDIO67_UER; codec = CS8420_67_CS; break;
default: return -EINVAL;
}
reg = 0; /* audio source from analog plug */
use_src = 0; /* do not activate codec SRC */
if (chip->audio_capture_source != 0) {
reg = mask; /* audio source from digital plug */
if (chip->audio_capture_source == 2)
use_src = 1;
}
/* set the input source */
pcxhr_write_io_num_reg_cont(chip->mgr, mask, reg, &changed);
/* resync them (otherwise channel inversion possible) */
if (changed) {
pcxhr_init_rmh(&rmh, CMD_RESYNC_AUDIO_INPUTS);
rmh.cmd[0] |= (1 << chip->chip_idx);
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
return err;
}
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set codec SRC on off */
rmh.cmd_len = 3;
rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
rmh.cmd[1] = codec;
rmh.cmd[2] = (CS8420_DATA_FLOW_CTL & CHIP_SIG_AND_MAP_SPI) | (use_src ? 0x41 : 0x54);
err = pcxhr_send_msg(chip->mgr, &rmh);
if(err)
return err;
rmh.cmd[2] = (CS8420_CLOCK_SRC_CTL & CHIP_SIG_AND_MAP_SPI) | (use_src ? 0x41 : 0x49);
err = pcxhr_send_msg(chip->mgr, &rmh);
return err;
}
static int pcxhr_audio_src_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static char *texts[3] = {"Analog", "Digital", "Digi+SRC"};
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 3;
if (uinfo->value.enumerated.item > 2)
uinfo->value.enumerated.item = 2;
strcpy(uinfo->value.enumerated.name,
texts[uinfo->value.enumerated.item]);
return 0;
}
static int pcxhr_audio_src_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0] = chip->audio_capture_source;
return 0;
}
static int pcxhr_audio_src_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int ret = 0;
down(&chip->mgr->mixer_mutex);
if (chip->audio_capture_source != ucontrol->value.enumerated.item[0]) {
chip->audio_capture_source = ucontrol->value.enumerated.item[0];
pcxhr_set_audio_source(chip);
ret = 1;
}
up(&chip->mgr->mixer_mutex);
return ret;
}
static struct snd_kcontrol_new pcxhr_control_audio_src = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.info = pcxhr_audio_src_info,
.get = pcxhr_audio_src_get,
.put = pcxhr_audio_src_put,
};
/*
* clock type selection
* enum pcxhr_clock_type {
* PCXHR_CLOCK_TYPE_INTERNAL = 0,
* PCXHR_CLOCK_TYPE_WORD_CLOCK,
* PCXHR_CLOCK_TYPE_AES_SYNC,
* PCXHR_CLOCK_TYPE_AES_1,
* PCXHR_CLOCK_TYPE_AES_2,
* PCXHR_CLOCK_TYPE_AES_3,
* PCXHR_CLOCK_TYPE_AES_4,
* };
*/
static int pcxhr_clock_type_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
static char *texts[7] = {
"Internal", "WordClock", "AES Sync", "AES 1", "AES 2", "AES 3", "AES 4"
};
struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
int clock_items = 3 + mgr->capture_chips;
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = clock_items;
if (uinfo->value.enumerated.item >= clock_items)
uinfo->value.enumerated.item = clock_items-1;
strcpy(uinfo->value.enumerated.name,
texts[uinfo->value.enumerated.item]);
return 0;
}
static int pcxhr_clock_type_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0] = mgr->use_clock_type;
return 0;
}
static int pcxhr_clock_type_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
int rate, ret = 0;
down(&mgr->mixer_mutex);
if (mgr->use_clock_type != ucontrol->value.enumerated.item[0]) {
down(&mgr->setup_mutex);
mgr->use_clock_type = ucontrol->value.enumerated.item[0];
if (mgr->use_clock_type)
pcxhr_get_external_clock(mgr, mgr->use_clock_type, &rate);
else
rate = mgr->sample_rate;
if (rate) {
pcxhr_set_clock(mgr, rate);
if (mgr->sample_rate)
mgr->sample_rate = rate;
}
up(&mgr->setup_mutex);
ret = 1; /* return 1 even if the set was not done. ok ? */
}
up(&mgr->mixer_mutex);
return ret;
}
static struct snd_kcontrol_new pcxhr_control_clock_type = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Clock Mode",
.info = pcxhr_clock_type_info,
.get = pcxhr_clock_type_get,
.put = pcxhr_clock_type_put,
};
/*
* clock rate control
* specific control that scans the sample rates on the external plugs
*/
static int pcxhr_clock_rate_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 3 + mgr->capture_chips;
uinfo->value.integer.min = 0; /* clock not present */
uinfo->value.integer.max = 192000; /* max sample rate 192 kHz */
return 0;
}
static int pcxhr_clock_rate_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
int i, err, rate;
down(&mgr->mixer_mutex);
for(i = 0; i < 3 + mgr->capture_chips; i++) {
if (i == PCXHR_CLOCK_TYPE_INTERNAL)
rate = mgr->sample_rate_real;
else {
err = pcxhr_get_external_clock(mgr, i, &rate);
if (err)
break;
}
ucontrol->value.integer.value[i] = rate;
}
up(&mgr->mixer_mutex);
return 0;
}
static struct snd_kcontrol_new pcxhr_control_clock_rate = {
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_CARD,
.name = "Clock Rates",
.info = pcxhr_clock_rate_info,
.get = pcxhr_clock_rate_get,
};
/*
* IEC958 status bits
*/
static int pcxhr_iec958_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
static int pcxhr_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx, unsigned char* aes_bits)
{
int i, err;
unsigned char temp;
struct pcxhr_rmh rmh;
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
switch (chip->chip_idx) {
case 0: rmh.cmd[1] = CS8420_01_CS; break; /* use CS8416_01_CS for AES SYNC plug */
case 1: rmh.cmd[1] = CS8420_23_CS; break;
case 2: rmh.cmd[1] = CS8420_45_CS; break;
case 3: rmh.cmd[1] = CS8420_67_CS; break;
default: return -EINVAL;
}
switch (aes_idx) {
case 0: rmh.cmd[2] = CS8420_CSB0; break; /* use CS8416_CSBx for AES SYNC plug */
case 1: rmh.cmd[2] = CS8420_CSB1; break;
case 2: rmh.cmd[2] = CS8420_CSB2; break;
case 3: rmh.cmd[2] = CS8420_CSB3; break;
case 4: rmh.cmd[2] = CS8420_CSB4; break;
default: return -EINVAL;
}
rmh.cmd[1] &= 0x0fffff; /* size and code the chip id for the fpga */
rmh.cmd[2] &= CHIP_SIG_AND_MAP_SPI; /* chip signature + map for spi read */
rmh.cmd_len = 3;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
return err;
temp = 0;
for (i = 0; i < 8; i++) {
/* attention : reversed bit order (not with CS8416_01_CS) */
temp <<= 1;
if (rmh.stat[1] & (1 << i))
temp |= 1;
}
snd_printdd("read iec958 AES %d byte %d = 0x%x\n", chip->chip_idx, aes_idx, temp);
*aes_bits = temp;
return 0;
}
static int pcxhr_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
unsigned char aes_bits;
int i, err;
down(&chip->mgr->mixer_mutex);
for(i = 0; i < 5; i++) {
if (kcontrol->private_value == 0) /* playback */
aes_bits = chip->aes_bits[i];
else { /* capture */
err = pcxhr_iec958_capture_byte(chip, i, &aes_bits);
if (err)
break;
}
ucontrol->value.iec958.status[i] = aes_bits;
}
up(&chip->mgr->mixer_mutex);
return 0;
}
static int pcxhr_iec958_mask_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int i;
for (i = 0; i < 5; i++)
ucontrol->value.iec958.status[i] = 0xff;
return 0;
}
static int pcxhr_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx, unsigned char aes_bits)
{
int i, err, cmd;
unsigned char new_bits = aes_bits;
unsigned char old_bits = chip->aes_bits[aes_idx];
struct pcxhr_rmh rmh;
for (i = 0; i < 8; i++) {
if ((old_bits & 0x01) != (new_bits & 0x01)) {
cmd = chip->chip_idx & 0x03; /* chip index 0..3 */
if(chip->chip_idx > 3)
/* new bit used if chip_idx>3 (PCX1222HR) */
cmd |= 1 << 22;
cmd |= ((aes_idx << 3) + i) << 2; /* add bit offset */
cmd |= (new_bits & 0x01) << 23; /* add bit value */
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
rmh.cmd[0] |= IO_NUM_REG_CUER;
rmh.cmd[1] = cmd;
rmh.cmd_len = 2;
snd_printdd("write iec958 AES %d byte %d bit %d (cmd %x)\n",
chip->chip_idx, aes_idx, i, cmd);
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
return err;
}
old_bits >>= 1;
new_bits >>= 1;
}
chip->aes_bits[aes_idx] = aes_bits;
return 0;
}
static int pcxhr_iec958_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
int i, changed = 0;
/* playback */
down(&chip->mgr->mixer_mutex);
for (i = 0; i < 5; i++) {
if (ucontrol->value.iec958.status[i] != chip->aes_bits[i]) {
pcxhr_iec958_update_byte(chip, i, ucontrol->value.iec958.status[i]);
changed = 1;
}
}
up(&chip->mgr->mixer_mutex);
return changed;
}
static struct snd_kcontrol_new pcxhr_control_playback_iec958_mask = {
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
.info = pcxhr_iec958_info,
.get = pcxhr_iec958_mask_get
};
static struct snd_kcontrol_new pcxhr_control_playback_iec958 = {
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
.info = pcxhr_iec958_info,
.get = pcxhr_iec958_get,
.put = pcxhr_iec958_put,
.private_value = 0 /* playback */
};
static struct snd_kcontrol_new pcxhr_control_capture_iec958_mask = {
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
.info = pcxhr_iec958_info,
.get = pcxhr_iec958_mask_get
};
static struct snd_kcontrol_new pcxhr_control_capture_iec958 = {
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
.info = pcxhr_iec958_info,
.get = pcxhr_iec958_get,
.private_value = 1 /* capture */
};
static void pcxhr_init_audio_levels(struct snd_pcxhr *chip)
{
int i;
for (i = 0; i < 2; i++) {
if (chip->nb_streams_play) {
int j;
/* at boot time the digital volumes are unmuted 0dB */
for (j = 0; j < PCXHR_PLAYBACK_STREAMS; j++) {
chip->digital_playback_active[j][i] = 1;
chip->digital_playback_volume[j][i] = PCXHR_DIGITAL_ZERO_LEVEL;
}
/* after boot, only two bits are set on the uer interface */
chip->aes_bits[0] = IEC958_AES0_PROFESSIONAL | IEC958_AES0_PRO_FS_48000;
/* only for test purpose, remove later */
#ifdef CONFIG_SND_DEBUG
/* analog volumes for playback (is LEVEL_MIN after boot) */
chip->analog_playback_active[i] = 1;
chip->analog_playback_volume[i] = PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL;
pcxhr_update_analog_audio_level(chip, 0, i);
#endif
/* test end */
}
if (chip->nb_streams_capt) {
/* at boot time the digital volumes are unmuted 0dB */
chip->digital_capture_volume[i] = PCXHR_DIGITAL_ZERO_LEVEL;
/* only for test purpose, remove later */
#ifdef CONFIG_SND_DEBUG
/* analog volumes for playback (is LEVEL_MIN after boot) */
chip->analog_capture_volume[i] = PCXHR_ANALOG_CAPTURE_ZERO_LEVEL;
pcxhr_update_analog_audio_level(chip, 1, i);
#endif
/* test end */
}
}
return;
}
int pcxhr_create_mixer(struct pcxhr_mgr *mgr)
{
struct snd_pcxhr *chip;
int err, i;
init_MUTEX(&mgr->mixer_mutex); /* can be in another place */
for (i = 0; i < mgr->num_cards; i++) {
struct snd_kcontrol_new temp;
chip = mgr->chip[i];
if (chip->nb_streams_play) {
/* analog output level control */
temp = pcxhr_control_analog_level;
temp.name = "Master Playback Volume";
temp.private_value = 0; /* playback */
if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
return err;
/* output mute controls */
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_output_switch,
chip))) < 0)
return err;
temp = snd_pcxhr_pcm_vol;
temp.name = "PCM Playback Volume";
temp.count = PCXHR_PLAYBACK_STREAMS;
temp.private_value = 0; /* playback */
if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
return err;
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_pcm_switch,
chip))) < 0)
return err;
/* IEC958 controls */
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_playback_iec958_mask,
chip))) < 0)
return err;
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_playback_iec958,
chip))) < 0)
return err;
}
if (chip->nb_streams_capt) {
/* analog input level control only on first two chips !*/
temp = pcxhr_control_analog_level;
temp.name = "Master Capture Volume";
temp.private_value = 1; /* capture */
if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
return err;
temp = snd_pcxhr_pcm_vol;
temp.name = "PCM Capture Volume";
temp.count = 1;
temp.private_value = 1; /* capture */
if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
return err;
/* Audio source */
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_audio_src,
chip))) < 0)
return err;
/* IEC958 controls */
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_capture_iec958_mask,
chip))) < 0)
return err;
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_capture_iec958,
chip))) < 0)
return err;
}
/* monitoring only if playback and capture device available */
if (chip->nb_streams_capt > 0 && chip->nb_streams_play > 0) {
/* monitoring */
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_monitor_vol,
chip))) < 0)
return err;
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_monitor_sw,
chip))) < 0)
return err;
}
if (i == 0) {
/* clock mode only one control per pcxhr */
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_clock_type,
mgr))) < 0)
return err;
/* non standard control used to scan the external clock presence/frequencies */
if ((err = snd_ctl_add(chip->card,
snd_ctl_new1(&pcxhr_control_clock_rate,
mgr))) < 0)
return err;
}
/* init values for the mixer data */
pcxhr_init_audio_levels(chip);
}
return 0;
}
/*
* Driver for Digigram pcxhr compatible soundcards
*
* include file for mixer
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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
*/
#ifndef __SOUND_PCXHR_MIXER_H
#define __SOUND_PCXHR_MIXER_H
/* exported */
int pcxhr_create_mixer(struct pcxhr_mgr *mgr);
#endif /* __SOUND_PCXHR_MIXER_H */
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