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[ALSA] ymfpci: add request_firmware()

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Load the DSP and controller microcode using request_firmware(), if
possible, instead of using the built-in firmware.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Clemens Ladisch 2006-10-11 12:05:59 +02:00 committed by Jaroslav Kysela
parent e40a0b2e9d
commit 102fa9060e
4 changed files with 108 additions and 26 deletions
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2
include/sound/ymfpci.h
View File

@ -357,6 +357,8 @@ struct snd_ymfpci {
wait_queue_head_t interrupt_sleep;
atomic_t interrupt_sleep_count;
struct snd_info_entry *proc_entry;
const struct firmware *dsp_microcode;
const struct firmware *controller_microcode;
#ifdef CONFIG_PM
u32 *saved_regs;

1
sound/pci/Kconfig
View File

@ -735,6 +735,7 @@ config SND_VX222
config SND_YMFPCI
tristate "Yamaha YMF724/740/744/754"
depends on SND
select FW_LOADER
select SND_OPL3_LIB
select SND_MPU401_UART
select SND_AC97_CODEC

6
sound/pci/ymfpci/ymfpci_image.h
View File

@ -1,7 +1,7 @@
#ifndef _HWMCODE_
#define _HWMCODE_
static unsigned long DspInst[YDSXG_DSPLENGTH / 4] = {
static u32 DspInst[YDSXG_DSPLENGTH / 4] = {
0x00000081, 0x000001a4, 0x0000000a, 0x0000002f,
0x00080253, 0x01800317, 0x0000407b, 0x0000843f,
0x0001483c, 0x0001943c, 0x0005d83c, 0x00001c3c,
@ -12,7 +12,7 @@ static unsigned long DspInst[YDSXG_DSPLENGTH / 4] = {
0x00000000, 0x00000000, 0x00000000, 0x00000000
};
static unsigned long CntrlInst[YDSXG_CTRLLENGTH / 4] = {
static u32 CntrlInst[YDSXG_CTRLLENGTH / 4] = {
0x000007, 0x240007, 0x0C0007, 0x1C0007,
0x060007, 0x700002, 0x000020, 0x030040,
0x007104, 0x004286, 0x030040, 0x000F0D,
@ -791,7 +791,7 @@ static unsigned long CntrlInst[YDSXG_CTRLLENGTH / 4] = {
// 04/09 creat
// 04/12 stop nise fix
// 06/21 WorkingOff timming
static unsigned long CntrlInst1E[YDSXG_CTRLLENGTH / 4] = {
static u32 CntrlInst1E[YDSXG_CTRLLENGTH / 4] = {
0x000007, 0x240007, 0x0C0007, 0x1C0007,
0x060007, 0x700002, 0x000020, 0x030040,
0x007104, 0x004286, 0x030040, 0x000F0D,

125
sound/pci/ymfpci/ymfpci_main.c
View File

@ -2,12 +2,6 @@
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
* Routines for control of YMF724/740/744/754 chips
*
* BUGS:
* --
*
* TODO:
* --
*
* 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
@ -26,6 +20,7 @@
#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
@ -42,10 +37,7 @@
#include <sound/mpu401.h>
#include <asm/io.h>
/*
* constants
*/
#include <asm/byteorder.h>
/*
* common I/O routines
@ -1971,13 +1963,94 @@ static void snd_ymfpci_disable_dsp(struct snd_ymfpci *chip)
}
}
#define FIRMWARE_IN_THE_KERNEL
#ifdef FIRMWARE_IN_THE_KERNEL
#include "ymfpci_image.h"
static struct firmware snd_ymfpci_dsp_microcode = {
.size = YDSXG_DSPLENGTH,
.data = (u8 *)DspInst,
};
static struct firmware snd_ymfpci_controller_microcode = {
.size = YDSXG_CTRLLENGTH,
.data = (u8 *)CntrlInst,
};
static struct firmware snd_ymfpci_controller_1e_microcode = {
.size = YDSXG_CTRLLENGTH,
.data = (u8 *)CntrlInst1E,
};
#endif
#ifdef __LITTLE_ENDIAN
static inline void snd_ymfpci_convert_from_le(const struct firmware *fw) { }
#else
static void snd_ymfpci_convert_from_le(const struct firmware *fw)
{
int i;
u32 *data = (u32 *)fw->data;
for (i = 0; i < fw->size / 4; ++i)
le32_to_cpus(&data[i]);
}
#endif
static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip)
{
int err, is_1e;
const char *name;
err = request_firmware(&chip->dsp_microcode, "yamaha/ds1_dsp.fw",
&chip->pci->dev);
if (err >= 0) {
if (chip->dsp_microcode->size == YDSXG_DSPLENGTH)
snd_ymfpci_convert_from_le(chip->dsp_microcode);
else {
snd_printk(KERN_ERR "DSP microcode has wrong size\n");
err = -EINVAL;
}
}
if (err < 0) {
#ifdef FIRMWARE_IN_THE_KERNEL
chip->dsp_microcode = &snd_ymfpci_dsp_microcode;
#else
return err;
#endif
}
is_1e = chip->device_id == PCI_DEVICE_ID_YAMAHA_724F ||
chip->device_id == PCI_DEVICE_ID_YAMAHA_740C ||
chip->device_id == PCI_DEVICE_ID_YAMAHA_744 ||
chip->device_id == PCI_DEVICE_ID_YAMAHA_754;
name = is_1e ? "yamaha/ds1e_ctrl.fw" : "yamaha/ds1_ctrl.fw";
err = request_firmware(&chip->controller_microcode, name,
&chip->pci->dev);
if (err >= 0) {
if (chip->controller_microcode->size == YDSXG_CTRLLENGTH)
snd_ymfpci_convert_from_le(chip->controller_microcode);
else {
snd_printk(KERN_ERR "controller microcode"
" has wrong size\n");
err = -EINVAL;
}
}
if (err < 0) {
#ifdef FIRMWARE_IN_THE_KERNEL
chip->controller_microcode =
is_1e ? &snd_ymfpci_controller_1e_microcode
: &snd_ymfpci_controller_microcode;
#else
return err;
#endif
}
return 0;
}
static void snd_ymfpci_download_image(struct snd_ymfpci *chip)
{
int i;
u16 ctrl;
unsigned long *inst;
u32 *inst;
snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x00000000);
snd_ymfpci_disable_dsp(chip);
@ -1992,21 +2065,12 @@ static void snd_ymfpci_download_image(struct snd_ymfpci *chip)
snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007);
/* setup DSP instruction code */
inst = (u32 *)chip->dsp_microcode->data;
for (i = 0; i < YDSXG_DSPLENGTH / 4; i++)
snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), DspInst[i]);
snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), inst[i]);
/* setup control instruction code */
switch (chip->device_id) {
case PCI_DEVICE_ID_YAMAHA_724F:
case PCI_DEVICE_ID_YAMAHA_740C:
case PCI_DEVICE_ID_YAMAHA_744:
case PCI_DEVICE_ID_YAMAHA_754:
inst = CntrlInst1E;
break;
default:
inst = CntrlInst;
break;
}
inst = (u32 *)chip->controller_microcode->data;
for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++)
snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2), inst[i]);
@ -2160,6 +2224,15 @@ static int snd_ymfpci_free(struct snd_ymfpci *chip)
pci_write_config_word(chip->pci, 0x40, chip->old_legacy_ctrl);
pci_disable_device(chip->pci);
#ifdef FIRMWARE_IN_THE_KERNEL
if (chip->dsp_microcode != &snd_ymfpci_dsp_microcode)
#endif
release_firmware(chip->dsp_microcode);
#ifdef FIRMWARE_IN_THE_KERNEL
if (chip->controller_microcode != &snd_ymfpci_controller_microcode &&
chip->controller_microcode != &snd_ymfpci_controller_1e_microcode)
#endif
release_firmware(chip->controller_microcode);
kfree(chip);
return 0;
}
@ -2315,6 +2388,12 @@ int __devinit snd_ymfpci_create(struct snd_card *card,
return -EIO;
}
err = snd_ymfpci_request_firmware(chip);
if (err < 0) {
snd_printk(KERN_ERR "firmware request failed: %d\n", err);
snd_ymfpci_free(chip);
return err;
}
snd_ymfpci_download_image(chip);
udelay(100); /* seems we need a delay after downloading image.. */