dsp56k: use request_firmware

Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 33 insertions, 51 deletions

diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index a69c65283260..d716c78f0ff4 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -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++) {
+
+        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] = *p++;
-                dsp56k_host_interface.data.b[2] = *p++;
-                dsp56k_host_interface.data.b[3] = *p++;
+                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");