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authorClemens Ladisch <clemens@ladisch.de>2006-11-06 09:21:58 +0100
committerJaroslav Kysela <perex@suse.cz>2007-02-09 09:01:16 +0100
commit226968c7afd464b794f34f9ea8cb4bcfe48447dc (patch)
tree7f9f2e5651ad8b42f01d78c08f1b3b6c5e26be75 /sound/isa/wavefront
parent59540fe85924ecb7b9760ab422cffaea0c3ce43a (diff)
downloadlinux-226968c7afd464b794f34f9ea8cb4bcfe48447dc.tar.bz2
[ALSA] wavefront: add request_firmware()
Load the YSS225 register initialization data using request_firmware(), if possible, instead of using the built-in data blob. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/isa/wavefront')
-rw-r--r--sound/isa/wavefront/wavefront_fx.c51
1 files changed, 41 insertions, 10 deletions
diff --git a/sound/isa/wavefront/wavefront_fx.c b/sound/isa/wavefront/wavefront_fx.c
index 2e03dc504d4c..15331ed88194 100644
--- a/sound/isa/wavefront/wavefront_fx.c
+++ b/sound/isa/wavefront/wavefront_fx.c
@@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/time.h>
#include <linux/wait.h>
+#include <linux/firmware.h>
#include <sound/core.h>
#include <sound/snd_wavefront.h>
#include <sound/initval.h>
@@ -34,7 +35,15 @@
#define WAIT_IDLE 0xff
+#define FIRMWARE_IN_THE_KERNEL
+
+#ifdef FIRMWARE_IN_THE_KERNEL
#include "yss225.c"
+static const struct firmware yss225_registers_firmware = {
+ .data = (u8 *)yss225_registers,
+ .size = sizeof yss225_registers
+};
+#endif
static int
wavefront_fx_idle (snd_wavefront_t *dev)
@@ -248,25 +257,47 @@ int __devinit
snd_wavefront_fx_start (snd_wavefront_t *dev)
{
unsigned int i;
+ int err;
+ const struct firmware *firmware;
if (dev->fx_initialized)
return 0;
- for (i = 0; i < ARRAY_SIZE(yss225_registers); ++i) {
- if (yss225_registers[i].addr >= 8 &&
- yss225_registers[i].addr < 16) {
- outb(yss225_registers[i].data,
- yss225_registers[i].addr + dev->base);
- } else if (yss225_registers[i].addr == WAIT_IDLE) {
- if (!wavefront_fx_idle(dev))
- return -1;
+ err = request_firmware(&firmware, "yamaha/yss225_registers.bin",
+ dev->card->dev);
+ if (err < 0) {
+#ifdef FIRMWARE_IN_THE_KERNEL
+ firmware = &yss225_registers_firmware;
+#else
+ err = -1;
+ goto out;
+#endif
+ }
+
+ for (i = 0; i + 1 < firmware->size; i += 2) {
+ if (firmware->data[i] >= 8 && firmware->data[i] < 16) {
+ outb(firmware->data[i + 1],
+ dev->base + firmware->data[i]);
+ } else if (firmware->data[i] == WAIT_IDLE) {
+ if (!wavefront_fx_idle(dev)) {
+ err = -1;
+ goto out;
+ }
} else {
snd_printk(KERN_ERR "invalid address"
" in register data\n");
- return -1;
+ err = -1;
+ goto out;
}
}
dev->fx_initialized = 1;
- return (0);
+ err = 0;
+
+out:
+#ifdef FIRMWARE_IN_THE_KERNEL
+ if (firmware != &yss225_registers_firmware)
+#endif
+ release_firmware(firmware);
+ return err;
}