#include <asm/atomic.h>
#include <linux/delay.h>
#include <linux/usb.h>
-#include <linux/smp_lock.h>
#include <linux/mutex.h>
+#include <linux/firmware.h>
+#include <linux/ihex.h>
#include "dabusb.h"
-#include "dabfirmware.h"
/*
* Version Information
/*-------------------------------------------------------------------*/
static int dabusb_alloc_buffers (pdabusb_t s)
{
- int buffers = 0;
+ int transfer_len = 0;
pbuff_t b;
unsigned int pipe = usb_rcvisocpipe (s->usbdev, _DABUSB_ISOPIPE);
int pipesize = usb_maxpacket (s->usbdev, pipe, usb_pipeout (pipe));
dbg("dabusb_alloc_buffers pipesize:%d packets:%d transfer_buffer_len:%d",
pipesize, packets, transfer_buffer_length);
- while (buffers < (s->total_buffer_size << 10)) {
+ while (transfer_len < (s->total_buffer_size << 10)) {
b = kzalloc(sizeof (buff_t), GFP_KERNEL);
if (!b) {
err("kzalloc(sizeof(buff_t))==NULL");
b->purb->iso_frame_desc[i].length = pipesize;
}
- buffers += transfer_buffer_length;
+ transfer_len += transfer_buffer_length;
list_add_tail (&b->buff_list, &s->free_buff_list);
}
- s->got_mem = buffers;
+ s->got_mem = transfer_len;
return 0;
return ret;
}
/* --------------------------------------------------------------------- */
-static int dabusb_writemem (pdabusb_t s, int pos, unsigned char *data, int len)
+static int dabusb_writemem (pdabusb_t s, int pos, const unsigned char *data,
+ int len)
{
int ret;
unsigned char *transfer_buffer = kmalloc (len, GFP_KERNEL);
static int dabusb_loadmem (pdabusb_t s, const char *fname)
{
int ret;
- PINTEL_HEX_RECORD ptr = firmware;
+ const struct ihex_binrec *rec;
+ const struct firmware *fw;
dbg("Enter dabusb_loadmem (internal)");
+ ret = request_ihex_firmware(&fw, "dabusb/firmware.fw", &s->usbdev->dev);
+ if (ret) {
+ err("Failed to load \"dabusb/firmware.fw\": %d\n", ret);
+ goto out;
+ }
ret = dabusb_8051_reset (s, 1);
- while (ptr->Type == 0) {
- dbg("dabusb_writemem: %04X %p %d)", ptr->Address, ptr->Data, ptr->Length);
+ for (rec = (const struct ihex_binrec *)fw->data; rec;
+ rec = ihex_next_binrec(rec)) {
+ dbg("dabusb_writemem: %04X %p %d)", be32_to_cpu(rec->addr),
+ rec->data, be16_to_cpu(rec->len));
- ret = dabusb_writemem (s, ptr->Address, ptr->Data, ptr->Length);
+ ret = dabusb_writemem(s, be32_to_cpu(rec->addr), rec->data,
+ be16_to_cpu(rec->len));
if (ret < 0) {
- err("dabusb_writemem failed (%d %04X %p %d)", ret, ptr->Address, ptr->Data, ptr->Length);
+ err("dabusb_writemem failed (%d %04X %p %d)", ret,
+ be32_to_cpu(rec->addr), rec->data,
+ be16_to_cpu(rec->len));
break;
}
- ptr++;
}
ret = dabusb_8051_reset (s, 0);
-
+ release_firmware(fw);
+ out:
dbg("dabusb_loadmem: exit");
return ret;
static int dabusb_fpga_download (pdabusb_t s, const char *fname)
{
pbulk_transfer_t b = kmalloc (sizeof (bulk_transfer_t), GFP_KERNEL);
+ const struct firmware *fw;
unsigned int blen, n;
int ret;
- unsigned char *buf = bitstream;
dbg("Enter dabusb_fpga_download (internal)");
return -ENOMEM;
}
+ ret = request_firmware(&fw, "dabusb/bitstream.bin", &s->usbdev->dev);
+ if (ret) {
+ err("Failed to load \"dabusb/bitstream.bin\": %d\n", ret);
+ kfree(b);
+ return ret;
+ }
+
b->pipe = 1;
ret = dabusb_fpga_clear (s, b);
mdelay (10);
- blen = buf[73] + (buf[72] << 8);
+ blen = fw->data[73] + (fw->data[72] << 8);
dbg("Bitstream len: %i", blen);
for (n = 0; n <= blen + 60; n += 60) {
// some cclks for startup
b->size = 64;
- memcpy (b->data + 4, buf + 74 + n, 60);
+ memcpy (b->data + 4, fw->data + 74 + n, 60);
ret = dabusb_bulk (s, b);
if (ret < 0) {
err("dabusb_bulk failed.");
ret = dabusb_fpga_init (s, b);
kfree (b);
+ release_firmware(fw);
dbg("exit dabusb_fpga_download");
return ret;
}
-static struct file_operations dabusb_fops =
+static const struct file_operations dabusb_fops =
{
.owner = THIS_MODULE,
.llseek = no_llseek,