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dsp56k: use request_firmware

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Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Jaswinder Singh
2008-07-05 15:28:30 +05:30
committed by David Woodhouse
parent d12b219a22
commit 7f127d5ed0
5 changed files with 171 additions and 52 deletions
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86
drivers/char/dsp56k.c
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@@ -33,6 +33,8 @@
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/platform_device.h>
#include <asm/atarihw.h>
#include <asm/traps.h>
@@ -92,49 +94,6 @@
} \
}
/* DSP56001 bootstrap code */
static char bootstrap[] = {
0x0c, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x60, 0xf4, 0x00, 0x00, 0x00, 0x4f, 0x61, 0xf4,
0x00, 0x00, 0x7e, 0xa9, 0x06, 0x2e, 0x80, 0x00, 0x00, 0x47,
0x07, 0xd8, 0x84, 0x07, 0x59, 0x84, 0x08, 0xf4, 0xa8, 0x00,
0x00, 0x04, 0x08, 0xf4, 0xbf, 0x00, 0x0c, 0x00, 0x00, 0xfe,
0xb8, 0x0a, 0xf0, 0x80, 0x00, 0x7e, 0xa9, 0x08, 0xf4, 0xa0,
0x00, 0x00, 0x01, 0x08, 0xf4, 0xbe, 0x00, 0x00, 0x00, 0x0a,
0xa9, 0x80, 0x00, 0x7e, 0xad, 0x08, 0x4e, 0x2b, 0x44, 0xf4,
0x00, 0x00, 0x00, 0x03, 0x44, 0xf4, 0x45, 0x00, 0x00, 0x01,
0x0e, 0xa0, 0x00, 0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xb5, 0x08,
0x50, 0x2b, 0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xb8, 0x08, 0x46,
0x2b, 0x44, 0xf4, 0x45, 0x00, 0x00, 0x02, 0x0a, 0xf0, 0xaa,
0x00, 0x7e, 0xc9, 0x20, 0x00, 0x45, 0x0a, 0xf0, 0xaa, 0x00,
0x7e, 0xd0, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xc6, 0x0a, 0xa9,
0x80, 0x00, 0x7e, 0xc4, 0x08, 0x58, 0x6b, 0x0a, 0xf0, 0x80,
0x00, 0x7e, 0xad, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xcd, 0x0a,
0xa9, 0x80, 0x00, 0x7e, 0xcb, 0x08, 0x58, 0xab, 0x0a, 0xf0,
0x80, 0x00, 0x7e, 0xad, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xd4,
0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xd2, 0x08, 0x58, 0xeb, 0x0a,
0xf0, 0x80, 0x00, 0x7e, 0xad};
static int sizeof_bootstrap = 375;
static struct dsp56k_device {
unsigned long in_use;
long maxio, timeout;
@@ -164,18 +123,40 @@ static int dsp56k_reset(void)
static int dsp56k_upload(u_char __user *bin, int len)
{
struct platform_device *pdev;
const struct firmware *fw;
const char fw_name[] = "dsp56k/bootstrap.bin";
int err;
int i;
u_char *p;
dsp56k_reset();
p = bootstrap;
for (i = 0; i < sizeof_bootstrap/3; i++) {
/* tx_wait(10); */
dsp56k_host_interface.data.b[1] = *p++;
dsp56k_host_interface.data.b[2] = *p++;
dsp56k_host_interface.data.b[3] = *p++;
pdev = platform_device_register_simple("dsp56k", 0, NULL, 0);
if (IS_ERR(pdev)) {
printk(KERN_ERR "Failed to register device for \"%s\"\n",
fw_name);
return -EINVAL;
}
err = request_firmware(&fw, fw_name, &pdev->dev);
platform_device_unregister(pdev);
if (err) {
printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
fw_name, err);
return err;
}
if (fw->size % 3) {
printk(KERN_ERR "Bogus length %d in image \"%s\"\n",
fw->size, fw_name);
release_firmware(fw);
return -EINVAL;
}
for (i = 0; i < fw->size; i = i + 3) {
/* tx_wait(10); */
dsp56k_host_interface.data.b[1] = fw->data[i];
dsp56k_host_interface.data.b[2] = fw->data[i + 1];
dsp56k_host_interface.data.b[3] = fw->data[i + 2];
}
release_firmware(fw);
for (; i < 512; i++) {
/* tx_wait(10); */
dsp56k_host_interface.data.b[1] = 0;
@@ -534,3 +515,4 @@ static void __exit dsp56k_cleanup_driver(void)
module_exit(dsp56k_cleanup_driver);
MODULE_LICENSE("GPL");
MODULE_FIRMWARE("dsp56k/bootstrap.bin");