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linux/sound/pci/pcxhr/pcxhr.c
Julia Lawall 6769e988b0 ALSA: constify snd_pcm_ops structures 
Check for snd_pcm_ops structures that are only stored in the ops field of a
snd_soc_platform_driver structure or passed as the third argument to
snd_pcm_set_ops.  The corresponding field or parameter is declared const,
so snd_pcm_ops structures that have this property can be declared as const
also.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct snd_pcm_ops i@p = { ... };

@ok1@
identifier r.i;
struct snd_soc_platform_driver e;
position p;
@@
e.ops = &i@p;

@ok2@
identifier r.i;
expression e1, e2;
position p;
@@
snd_pcm_set_ops(e1, e2, &i@p)

@bad@
position p != {r.p,ok1.p,ok2.p};
identifier r.i;
struct snd_pcm_ops e;
@@
e@i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct snd_pcm_ops i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-09-02 11:49:10 +02:00

1701 lines
47 KiB
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/*
* 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 <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/mutex.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"
#include "pcxhr_mix22.h"
#define DRIVER_NAME "pcxhr"
MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>, "
"Marc Titinger <titinger@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 bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
static bool mono[SNDRV_CARDS]; /* capture 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_VX882E,
PCI_ID_PCX882E,
PCI_ID_VX881E,
PCI_ID_PCX881E,
PCI_ID_VX1222HR,
PCI_ID_PCX1222HR,
PCI_ID_VX1221HR,
PCI_ID_PCX1221HR,
PCI_ID_VX1222E,
PCI_ID_PCX1222E,
PCI_ID_VX1221E,
PCI_ID_PCX1221E,
PCI_ID_VX222HR,
PCI_ID_VX222E,
PCI_ID_PCX22HR,
PCI_ID_PCX22E,
PCI_ID_VX222HRMIC,
PCI_ID_VX222E_MIC,
PCI_ID_PCX924HR,
PCI_ID_PCX924E,
PCI_ID_PCX924HRMIC,
PCI_ID_PCX924E_MIC,
PCI_ID_VX442HR,
PCI_ID_PCX442HR,
PCI_ID_VX442E,
PCI_ID_PCX442E,
PCI_ID_VX822HR,
PCI_ID_PCX822HR,
PCI_ID_VX822E,
PCI_ID_PCX822E,
PCI_ID_LAST
};
static const struct pci_device_id pcxhr_ids[] = {
{ 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, },
{ 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, },
{ 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, },
{ 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, },
{ 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, },
{ 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, },
{ 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, },
{ 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, },
{ 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, },
{ 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, },
{ 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, },
{ 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, },
{ 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, },
{ 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, },
{ 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, },
{ 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, },
{ 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, },
{ 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, },
{ 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, },
{ 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, },
{ 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, },
{ 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, },
{ 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, },
{ 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, },
{ 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, },
{ 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, },
{ 0x10b5, 0x9656, 0x1369, 0xd001, 0, 0, PCI_ID_VX442HR, },
{ 0x10b5, 0x9656, 0x1369, 0xd101, 0, 0, PCI_ID_PCX442HR, },
{ 0x10b5, 0x9056, 0x1369, 0xd021, 0, 0, PCI_ID_VX442E, },
{ 0x10b5, 0x9056, 0x1369, 0xd121, 0, 0, PCI_ID_PCX442E, },
{ 0x10b5, 0x9656, 0x1369, 0xd201, 0, 0, PCI_ID_VX822HR, },
{ 0x10b5, 0x9656, 0x1369, 0xd301, 0, 0, PCI_ID_PCX822HR, },
{ 0x10b5, 0x9056, 0x1369, 0xd221, 0, 0, PCI_ID_VX822E, },
{ 0x10b5, 0x9056, 0x1369, 0xd321, 0, 0, PCI_ID_PCX822E, },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, pcxhr_ids);
struct board_parameters {
char* board_name;
short playback_chips;
short capture_chips;
short fw_file_set;
short firmware_num;
};
static struct board_parameters pcxhr_board_params[] = {
[PCI_ID_VX882HR] = { "VX882HR", 4, 4, 0, 41 },
[PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 0, 41 },
[PCI_ID_VX881HR] = { "VX881HR", 4, 4, 0, 41 },
[PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 0, 41 },
[PCI_ID_VX882E] = { "VX882e", 4, 4, 1, 41 },
[PCI_ID_PCX882E] = { "PCX882e", 4, 4, 1, 41 },
[PCI_ID_VX881E] = { "VX881e", 4, 4, 1, 41 },
[PCI_ID_PCX881E] = { "PCX881e", 4, 4, 1, 41 },
[PCI_ID_VX1222HR] = { "VX1222HR", 6, 1, 2, 42 },
[PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 2, 42 },
[PCI_ID_VX1221HR] = { "VX1221HR", 6, 1, 2, 42 },
[PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 2, 42 },
[PCI_ID_VX1222E] = { "VX1222e", 6, 1, 3, 42 },
[PCI_ID_PCX1222E] = { "PCX1222e", 6, 1, 3, 42 },
[PCI_ID_VX1221E] = { "VX1221e", 6, 1, 3, 42 },
[PCI_ID_PCX1221E] = { "PCX1221e", 6, 1, 3, 42 },
[PCI_ID_VX222HR] = { "VX222HR", 1, 1, 4, 44 },
[PCI_ID_VX222E] = { "VX222e", 1, 1, 4, 44 },
[PCI_ID_PCX22HR] = { "PCX22HR", 1, 0, 4, 44 },
[PCI_ID_PCX22E] = { "PCX22e", 1, 0, 4, 44 },
[PCI_ID_VX222HRMIC] = { "VX222HR-Mic", 1, 1, 5, 44 },
[PCI_ID_VX222E_MIC] = { "VX222e-Mic", 1, 1, 5, 44 },
[PCI_ID_PCX924HR] = { "PCX924HR", 1, 1, 5, 44 },
[PCI_ID_PCX924E] = { "PCX924e", 1, 1, 5, 44 },
[PCI_ID_PCX924HRMIC] = { "PCX924HR-Mic", 1, 1, 5, 44 },
[PCI_ID_PCX924E_MIC] = { "PCX924e-Mic", 1, 1, 5, 44 },
[PCI_ID_VX442HR] = { "VX442HR", 2, 2, 0, 41 },
[PCI_ID_PCX442HR] = { "PCX442HR", 2, 2, 0, 41 },
[PCI_ID_VX442E] = { "VX442e", 2, 2, 1, 41 },
[PCI_ID_PCX442E] = { "PCX442e", 2, 2, 1, 41 },
[PCI_ID_VX822HR] = { "VX822HR", 4, 1, 2, 42 },
[PCI_ID_PCX822HR] = { "PCX822HR", 4, 1, 2, 42 },
[PCI_ID_VX822E] = { "VX822e", 4, 1, 3, 42 },
[PCI_ID_PCX822E] = { "PCX822e", 4, 1, 3, 42 },
};
/* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */
/* VX222HR, VX222e, PCX22HR and PCX22e */
#define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4)
/* some boards do not support 192kHz on digital AES input plugs */
#define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \
(x->fw_file_set == 0) || \
(x->fw_file_set == 2))
static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
unsigned int* realfreq)
{
unsigned int reg;
if (freq < 6900 || freq > 110000)
return -EINVAL;
reg = (28224000 * 2) / freq;
reg = (reg - 1) / 2;
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 / (reg + 1));
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
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) {
dev_err(&mgr->pci->dev,
"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;
}
static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr,
unsigned int rate,
int *changed)
{
unsigned int val, realfreq, speed;
struct pcxhr_rmh rmh;
int err;
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;
if (DSP_EXT_CMD_SET(mgr)) {
rmh.cmd[1] = 1;
rmh.cmd_len = 2;
}
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 */
dev_dbg(&mgr->pci->dev, "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;
if (DSP_EXT_CMD_SET(mgr)) {
rmh.cmd[1] = 1;
rmh.cmd_len = 2;
}
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
mgr->codec_speed = speed; /* save new codec speed */
}
dev_dbg(&mgr->pci->dev, "pcxhr_sub_set_clock to %dHz (realfreq=%d)\n",
rate, realfreq);
return 0;
}
#define PCXHR_MODIFY_CLOCK_S_BIT 0x04
#define PCXHR_IRQ_TIMER_FREQ 92000
#define PCXHR_IRQ_TIMER_PERIOD 48
int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
{
struct pcxhr_rmh rmh;
int err, changed;
if (rate == 0)
return 0; /* nothing to do */
if (mgr->is_hr_stereo)
err = hr222_sub_set_clock(mgr, rate, &changed);
else
err = pcxhr_sub_set_clock(mgr, rate, &changed);
if (err)
return err;
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;
}
return 0;
}
static int pcxhr_sub_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;
}
dev_dbg(&mgr->pci->dev, "External clock is at %d Hz\n", rate);
*sample_rate = rate;
return 0;
}
int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
enum pcxhr_clock_type clock_type,
int *sample_rate)
{
if (mgr->is_hr_stereo)
return hr222_get_external_clock(mgr, clock_type,
sample_rate);
else
return pcxhr_sub_get_external_clock(mgr, clock_type,
sample_rate);
}
/*
* start or stop playback/capture substream
*/
static int pcxhr_set_stream_state(struct snd_pcxhr *chip,
struct pcxhr_stream *stream)
{
int err;
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) {
dev_err(chip->card->dev,
"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)
dev_err(chip->card->dev,
"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;
chip = snd_pcm_substream_chip(stream->substream);
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:
dev_err(chip->card->dev,
"error pcxhr_set_format() : unknown format\n");
return -EINVAL;
}
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) {
/* bug with old dsp versions: */
/* bit 12 also sets the format of the playback stream */
if (DSP_EXT_CMD_SET(chip->mgr))
rmh.cmd[0] |= 1<<10;
else
rmh.cmd[0] |= 1<<12;
}
rmh.cmd[1] = 0;
rmh.cmd_len = 2;
if (DSP_EXT_CMD_SET(chip->mgr)) {
/* add channels and set bit 19 if channels>2 */
rmh.cmd[1] = stream->channels;
if (!is_capture) {
/* playback : add channel mask to command */
rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03;
rmh.cmd_len = 3;
}
}
rmh.cmd[rmh.cmd_len++] = header >> 8;
rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
dev_err(chip->card->dev,
"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;
dev_dbg(chip->card->dev,
"pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n",
is_capture ? 'c' : 'p',
chip->chip_idx, (void *)(long)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);
/* max buffer size is 2 MByte */
snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000);
/* size in bits */
rmh.cmd[1] = subs->runtime->dma_bytes * 8;
/* most significant byte */
rmh.cmd[2] = subs->runtime->dma_addr >> 24;
/* this is a circular buffer */
rmh.cmd[2] |= 1<<19;
/* least 3 significant bytes */
rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD;
rmh.cmd_len = 4;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
dev_err(chip->card->dev,
"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];
}
dev_dbg(chip->card->dev, "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_start_linked_stream(struct pcxhr_mgr *mgr)
{
int i, j, err;
struct pcxhr_pipe *pipe;
struct snd_pcxhr *chip;
int capture_mask = 0;
int playback_mask = 0;
#ifdef CONFIG_SND_DEBUG_VERBOSE
ktime_t start_time, stop_time, diff_time;
start_time = ktime_get();
#endif
mutex_lock(&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) {
mutex_unlock(&mgr->setup_mutex);
dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : no pipes\n");
return;
}
dev_dbg(&mgr->pci->dev, "pcxhr_start_linked_stream : "
"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) {
mutex_unlock(&mgr->setup_mutex);
dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
"error stop pipes (P%x C%x)\n",
playback_mask, capture_mask);
return;
}
/* 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(chip, 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(chip, stream);
}
}
/* synchronous start of all the pipes concerned */
err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
if (err) {
mutex_unlock(&mgr->setup_mutex);
dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
"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)
*/
mutex_lock(&mgr->lock);
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 += mgr->granularity;
stream->status = PCXHR_STREAM_STATUS_RUNNING;
}
}
}
mutex_unlock(&mgr->lock);
mutex_unlock(&mgr->setup_mutex);
#ifdef CONFIG_SND_DEBUG_VERBOSE
stop_time = ktime_get();
diff_time = ktime_sub(stop_time, start_time);
dev_dbg(&mgr->pci->dev, "***TRIGGER START*** TIME = %ld (err = %x)\n",
(long)(ktime_to_ns(diff_time)), err);
#endif
}
/*
* trigger callback
*/
static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
{
struct pcxhr_stream *stream;
struct snd_pcm_substream *s;
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_START\n");
if (snd_pcm_stream_linked(subs)) {
snd_pcm_group_for_each_entry(s, subs) {
if (snd_pcm_substream_chip(s) != chip)
continue;
stream = s->runtime->private_data;
stream->status =
PCXHR_STREAM_STATUS_SCHEDULE_RUN;
snd_pcm_trigger_done(s, subs);
}
pcxhr_start_linked_stream(chip->mgr);
} else {
stream = subs->runtime->private_data;
dev_dbg(chip->card->dev, "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;
stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
if (pcxhr_set_stream_state(chip, stream))
return -EINVAL;
stream->status = PCXHR_STREAM_STATUS_RUNNING;
}
break;
case SNDRV_PCM_TRIGGER_STOP:
dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_STOP\n");
snd_pcm_group_for_each_entry(s, subs) {
stream = s->runtime->private_data;
stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
if (pcxhr_set_stream_state(chip, 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) {
/* last dsp time invalid */
mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;
rmh.cmd[0] |= mgr->granularity;
}
err = pcxhr_send_msg(mgr, &rmh);
if (err < 0)
dev_err(&mgr->pci->dev, "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;
int err = 0;
dev_dbg(chip->card->dev,
"pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
subs->runtime->period_size, subs->runtime->periods,
subs->runtime->buffer_size);
mutex_lock(&mgr->setup_mutex);
do {
/* only the first stream can choose the sample rate */
/* set the clock only once (first stream) */
if (mgr->sample_rate != subs->runtime->rate) {
err = pcxhr_set_clock(mgr, subs->runtime->rate);
if (err)
break;
if (mgr->sample_rate == 0)
/* start the DSP-timer */
err = pcxhr_hardware_timer(mgr, 1);
mgr->sample_rate = subs->runtime->rate;
}
} while(0); /* do only once (so we can use break instead of goto) */
mutex_unlock(&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);
mutex_lock(&mgr->setup_mutex);
stream->channels = channels;
stream->format = format;
/* allocate buffer */
err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
mutex_unlock(&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),
.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 err;
mutex_lock(&mgr->setup_mutex);
/* copy the struct snd_pcm_hardware struct */
runtime->hw = pcxhr_caps;
if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
dev_dbg(chip->card->dev, "pcxhr_open playback chip%d subs%d\n",
chip->chip_idx, subs->number);
stream = &chip->playback_stream[subs->number];
} else {
dev_dbg(chip->card->dev, "pcxhr_open capture chip%d subs%d\n",
chip->chip_idx, subs->number);
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 */
dev_err(chip->card->dev, "pcxhr_open chip%d subs%d in use\n",
chip->chip_idx, subs->number);
mutex_unlock(&mgr->setup_mutex);
return -EBUSY;
}
/* float format support is in some cases buggy on stereo cards */
if (mgr->is_hr_stereo)
runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE;
/* buffer-size should better be multiple of period-size */
err = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (err < 0) {
mutex_unlock(&mgr->setup_mutex);
return err;
}
/* 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 */
mutex_unlock(&mgr->setup_mutex);
return -EBUSY;
}
runtime->hw.rate_min = external_rate;
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;
/* better get a divisor of granularity values (96 or 192) */
snd_pcm_hw_constraint_step(runtime, 0,
SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
snd_pcm_hw_constraint_step(runtime, 0,
SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32);
snd_pcm_set_sync(subs);
mgr->ref_count_rate++;
mutex_unlock(&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;
mutex_lock(&mgr->setup_mutex);
dev_dbg(chip->card->dev, "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;
mutex_unlock(&mgr->setup_mutex);
return 0;
}
static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
{
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;
mutex_lock(&chip->mgr->lock);
/* 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;
mutex_unlock(&chip->mgr->lock);
return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
timer_period_frag);
}
static const 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) {
dev_err(chip->card->dev, "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;
pcm->nonatomic = true;
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 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,
};
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (! chip) {
dev_err(card->dev, "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 */
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;
}
mgr->chip[idx] = chip;
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\n",
rmh.stat[2], rmh.stat[3]);
}
}
snd_iprintf(buffer, "dma granularity : %d\n",
mgr->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;
if (rmh.stat_len > 8)
rmh.stat_len = 8;
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 const char *textsHR22[3] = {
"Internal", "AES Sync", "AES 1"
};
static const char *textsPCXHR[7] = {
"Internal", "Word", "AES Sync",
"AES 1", "AES 2", "AES 3", "AES 4"
};
const char **texts;
int max_clock;
if (mgr->is_hr_stereo) {
texts = textsHR22;
max_clock = HR22_CLOCK_TYPE_MAX;
} else {
texts = textsPCXHR;
max_clock = PCXHR_CLOCK_TYPE_MAX;
}
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 = 1; i <= max_clock; 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 pcxhr_proc_gpio_read(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_pcxhr *chip = entry->private_data;
struct pcxhr_mgr *mgr = chip->mgr;
/* commands available when embedded DSP is running */
if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
/* gpio ports on stereo boards only available */
int value = 0;
hr222_read_gpio(mgr, 1, &value); /* GPI */
snd_iprintf(buffer, "GPI: 0x%x\n", value);
hr222_read_gpio(mgr, 0, &value); /* GP0 */
snd_iprintf(buffer, "GPO: 0x%x\n", value);
} else
snd_iprintf(buffer, "no firmware loaded\n");
snd_iprintf(buffer, "\n");
}
static void pcxhr_proc_gpo_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_pcxhr *chip = entry->private_data;
struct pcxhr_mgr *mgr = chip->mgr;
char line[64];
int value;
/* commands available when embedded DSP is running */
if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)))
return;
while (!snd_info_get_line(buffer, line, sizeof(line))) {
if (sscanf(line, "GPO: 0x%x", &value) != 1)
continue;
hr222_write_gpo(mgr, value); /* GP0 */
}
}
/* Access to the results of the CMD_GET_TIME_CODE RMH */
#define TIME_CODE_VALID_MASK 0x00800000
#define TIME_CODE_NEW_MASK 0x00400000
#define TIME_CODE_BACK_MASK 0x00200000
#define TIME_CODE_WAIT_MASK 0x00100000
/* Values for the CMD_MANAGE_SIGNAL RMH */
#define MANAGE_SIGNAL_TIME_CODE 0x01
#define MANAGE_SIGNAL_MIDI 0x02
/* linear time code read proc*/
static void pcxhr_proc_ltc(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_pcxhr *chip = entry->private_data;
struct pcxhr_mgr *mgr = chip->mgr;
struct pcxhr_rmh rmh;
unsigned int ltcHrs, ltcMin, ltcSec, ltcFrm;
int err;
/* commands available when embedded DSP is running */
if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) {
snd_iprintf(buffer, "no firmware loaded\n");
return;
}
if (!mgr->capture_ltc) {
pcxhr_init_rmh(&rmh, CMD_MANAGE_SIGNAL);
rmh.cmd[0] |= MANAGE_SIGNAL_TIME_CODE;
err = pcxhr_send_msg(mgr, &rmh);
if (err) {
snd_iprintf(buffer, "ltc not activated (%d)\n", err);
return;
}
if (mgr->is_hr_stereo)
hr222_manage_timecode(mgr, 1);
else
pcxhr_write_io_num_reg_cont(mgr, REG_CONT_VALSMPTE,
REG_CONT_VALSMPTE, NULL);
mgr->capture_ltc = 1;
}
pcxhr_init_rmh(&rmh, CMD_GET_TIME_CODE);
err = pcxhr_send_msg(mgr, &rmh);
if (err) {
snd_iprintf(buffer, "ltc read error (err=%d)\n", err);
return ;
}
ltcHrs = 10*((rmh.stat[0] >> 8) & 0x3) + (rmh.stat[0] & 0xf);
ltcMin = 10*((rmh.stat[1] >> 16) & 0x7) + ((rmh.stat[1] >> 8) & 0xf);
ltcSec = 10*(rmh.stat[1] & 0x7) + ((rmh.stat[2] >> 16) & 0xf);
ltcFrm = 10*((rmh.stat[2] >> 8) & 0x3) + (rmh.stat[2] & 0xf);
snd_iprintf(buffer, "timecode: %02u:%02u:%02u-%02u\n",
ltcHrs, ltcMin, ltcSec, ltcFrm);
snd_iprintf(buffer, "raw: 0x%04x%06x%06x\n", rmh.stat[0] & 0x00ffff,
rmh.stat[1] & 0xffffff, rmh.stat[2] & 0xffffff);
/*snd_iprintf(buffer, "dsp ref time: 0x%06x%06x\n",
rmh.stat[3] & 0xffffff, rmh.stat[4] & 0xffffff);*/
if (!(rmh.stat[0] & TIME_CODE_VALID_MASK)) {
snd_iprintf(buffer, "warning: linear timecode not valid\n");
}
}
static void 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, pcxhr_proc_info);
if (! snd_card_proc_new(chip->card, "sync", &entry))
snd_info_set_text_ops(entry, chip, pcxhr_proc_sync);
/* gpio available on stereo sound cards only */
if (chip->mgr->is_hr_stereo &&
!snd_card_proc_new(chip->card, "gpio", &entry)) {
snd_info_set_text_ops(entry, chip, pcxhr_proc_gpio_read);
entry->c.text.write = pcxhr_proc_gpo_write;
entry->mode |= S_IWUSR;
}
if (!snd_card_proc_new(chip->card, "ltc", &entry))
snd_info_set_text_ops(entry, chip, pcxhr_proc_ltc);
}
/* 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);
dev_dbg(&mgr->pci->dev, "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 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 (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) {
dev_err(&pci->dev,
"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;
}
if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) {
kfree(mgr);
pci_disable_device(pci);
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->fw_file_set =
pcxhr_board_params[pci_id->driver_data].fw_file_set;
mgr->firmware_num =
pcxhr_board_params[pci_id->driver_data].firmware_num;
mgr->mono_capture = mono[dev];
mgr->is_hr_stereo = (mgr->playback_chips == 1);
mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr);
mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr);
if (mgr->is_hr_stereo)
mgr->granularity = PCXHR_GRANULARITY_HR22;
else
mgr->granularity = PCXHR_GRANULARITY;
/* 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_threaded_irq(pci->irq, pcxhr_interrupt,
pcxhr_threaded_irq, IRQF_SHARED,
KBUILD_MODNAME, mgr)) {
dev_err(&pci->dev, "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 lock */
mutex_init(&mgr->lock);
mutex_init(&mgr->msg_lock);
/* init setup mutex*/
mutex_init(&mgr->setup_mutex);
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);
err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE,
0, &card);
if (err < 0) {
dev_err(&pci->dev, "cannot allocate the card %d\n", i);
pcxhr_free(mgr);
return err;
}
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) {
snd_card_free(card);
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 pcxhr_remove(struct pci_dev *pci)
{
pcxhr_free(pci_get_drvdata(pci));
}
static struct pci_driver pcxhr_driver = {
.name = KBUILD_MODNAME,
.id_table = pcxhr_ids,
.probe = pcxhr_probe,
.remove = pcxhr_remove,
};
module_pci_driver(pcxhr_driver);
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