#include <linux/list.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#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
dst += len;
}
else
- err("dabusb_iso_complete: invalid len %d", len);
+ dev_err(&purb->dev->dev,
+ "dabusb_iso_complete: invalid len %d\n", len);
}
else
- warn("dabusb_iso_complete: corrupted packet status: %d", purb->iso_frame_desc[i].status);
+ dev_warn(&purb->dev->dev, "dabusb_iso_complete: corrupted packet status: %d\n", purb->iso_frame_desc[i].status);
if (dst != purb->actual_length)
- err("dst!=purb->actual_length:%d!=%d", dst, purb->actual_length);
+ dev_err(&purb->dev->dev,
+ "dst!=purb->actual_length:%d!=%d\n",
+ dst, purb->actual_length);
}
if (atomic_dec_and_test (&s->pending_io) && !s->remove_pending && s->state != _stopped) {
s->overruns++;
- err("overrun (%d)", s->overruns);
+ dev_err(&purb->dev->dev, "overrun (%d)\n", s->overruns);
}
wake_up (&s->wait);
}
/*-------------------------------------------------------------------*/
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)) {
- b = (pbuff_t) kzalloc (sizeof (buff_t), GFP_KERNEL);
+ while (transfer_len < (s->total_buffer_size << 10)) {
+ b = kzalloc(sizeof (buff_t), GFP_KERNEL);
if (!b) {
- err("kzalloc(sizeof(buff_t))==NULL");
+ dev_err(&s->usbdev->dev,
+ "kzalloc(sizeof(buff_t))==NULL\n");
goto err;
}
b->s = s;
b->purb = usb_alloc_urb(packets, GFP_KERNEL);
if (!b->purb) {
- err("usb_alloc_urb == NULL");
+ dev_err(&s->usbdev->dev, "usb_alloc_urb == NULL\n");
kfree (b);
goto err;
}
if (!b->purb->transfer_buffer) {
kfree (b->purb);
kfree (b);
- err("kmalloc(%d)==NULL", transfer_buffer_length);
+ dev_err(&s->usbdev->dev,
+ "kmalloc(%d)==NULL\n", transfer_buffer_length);
goto err;
}
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;
ret=usb_bulk_msg(s->usbdev, pipe, pb->data, pb->size, &actual_length, 100);
if(ret<0) {
- err("dabusb: usb_bulk_msg failed(%d)",ret);
+ dev_err(&s->usbdev->dev,
+ "usb_bulk_msg failed(%d)\n", ret);
if (usb_set_interface (s->usbdev, _DABUSB_IF, 1) < 0) {
- err("set_interface failed");
+ dev_err(&s->usbdev->dev, "set_interface failed\n");
return -EINVAL;
}
}
if( ret == -EPIPE ) {
- warn("CLEAR_FEATURE request to remove STALL condition.");
+ dev_warn(&s->usbdev->dev, "CLEAR_FEATURE request to remove STALL condition.\n");
if(usb_clear_halt(s->usbdev, usb_pipeendpoint(pipe)))
- err("request failed");
+ dev_err(&s->usbdev->dev, "request failed\n");
}
pb->size = actual_length;
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);
if (!transfer_buffer) {
- err("dabusb_writemem: kmalloc(%d) failed.", len);
+ dev_err(&s->usbdev->dev,
+ "dabusb_writemem: kmalloc(%d) failed.\n", len);
return -ENOMEM;
}
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 *uninitialized_var(fw);
dbg("Enter dabusb_loadmem (internal)");
+ ret = request_ihex_firmware(&fw, "dabusb/firmware.fw", &s->usbdev->dev);
+ if (ret) {
+ dev_err(&s->usbdev->dev,
+ "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);
+ dev_err(&s->usbdev->dev,
+ "dabusb_writemem failed (%d %04X %p %d)\n",
+ 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)");
if (!b) {
- err("kmalloc(sizeof(bulk_transfer_t))==NULL");
+ dev_err(&s->usbdev->dev,
+ "kmalloc(sizeof(bulk_transfer_t))==NULL\n");
return -ENOMEM;
}
+ ret = request_firmware(&fw, "dabusb/bitstream.bin", &s->usbdev->dev);
+ if (ret) {
+ dev_err(&s->usbdev->dev,
+ "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.");
+ dev_err(&s->usbdev->dev, "dabusb_bulk failed.\n");
break;
}
mdelay (1);
ret = dabusb_fpga_init (s, b);
kfree (b);
+ release_firmware(fw);
dbg("exit dabusb_fpga_download");
ret = usb_submit_urb (end->purb, GFP_KERNEL);
if (ret) {
- err("usb_submit_urb returned:%d", ret);
+ dev_err(&s->usbdev->dev,
+ "usb_submit_urb returned:%d\n", ret);
if (dabusb_add_buf_tail (s, &s->free_buff_list, &s->rec_buff_list))
- err("startrek: dabusb_add_buf_tail failed");
+ dev_err(&s->usbdev->dev,
+ "startrek: dabusb_add_buf_tail failed\n");
break;
}
else
spin_unlock_irqrestore(&s->lock, flags);
- err("error: rec_buf_list is empty");
+ dev_err(&s->usbdev->dev,
+ "error: rec_buf_list is empty\n");
goto err;
}
if (list_empty (&s->rec_buff_list)) {
spin_unlock_irqrestore(&s->lock, flags);
- err("error: still no buffer available.");
+ dev_err(&s->usbdev->dev,
+ "error: still no buffer available.\n");
goto err;
}
spin_unlock_irqrestore(&s->lock, flags);
dbg("copy_to_user:%p %p %d",buf, purb->transfer_buffer + s->readptr, cnt);
if (copy_to_user (buf, purb->transfer_buffer + s->readptr, cnt)) {
- err("read: copy_to_user failed");
+ dev_err(&s->usbdev->dev, "read: copy_to_user failed\n");
if (!ret)
ret = -EFAULT;
goto err;
if (s->readptr == purb->actual_length) {
// finished, take next buffer
if (dabusb_add_buf_tail (s, &s->free_buff_list, &s->rec_buff_list))
- err("read: dabusb_add_buf_tail failed");
+ dev_err(&s->usbdev->dev,
+ "read: dabusb_add_buf_tail failed\n");
s->readptr = 0;
}
}
}
if (usb_set_interface (s->usbdev, _DABUSB_IF, 1) < 0) {
mutex_unlock(&s->mutex);
- err("set_interface failed");
+ dev_err(&s->usbdev->dev, "set_interface failed\n");
return -EINVAL;
}
s->opened = 1;
if (!s->remove_pending) {
if (usb_set_interface (s->usbdev, _DABUSB_IF, 0) < 0)
- err("set_interface failed");
+ dev_err(&s->usbdev->dev, "set_interface failed\n");
}
else
wake_up (&s->remove_ok);
return 0;
}
-static int dabusb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long dabusb_ioctl (struct file *file, unsigned int cmd, unsigned long arg)
{
pdabusb_t s = (pdabusb_t) file->private_data;
pbulk_transfer_t pbulk;
dbg("dabusb_ioctl");
- if (s->remove_pending)
+ lock_kernel();
+ if (s->remove_pending) {
+ unlock_kernel();
return -EIO;
+ }
mutex_lock(&s->mutex);
if (!s->usbdev) {
mutex_unlock(&s->mutex);
+ unlock_kernel();
return -EIO;
}
switch (cmd) {
case IOCTL_DAB_BULK:
- pbulk = (pbulk_transfer_t) kmalloc (sizeof (bulk_transfer_t), GFP_KERNEL);
+ pbulk = kmalloc(sizeof (bulk_transfer_t), GFP_KERNEL);
if (!pbulk) {
ret = -ENOMEM;
break;
}
mutex_unlock(&s->mutex);
+ unlock_kernel();
return ret;
}
-static struct file_operations dabusb_fops =
+static const struct file_operations dabusb_fops =
{
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = dabusb_read,
- .ioctl = dabusb_ioctl,
+ .unlocked_ioctl = dabusb_ioctl,
.open = dabusb_open,
.release = dabusb_release,
};
+static char *dabusb_devnode(struct device *dev, mode_t *mode)
+{
+ return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev));
+}
+
static struct usb_class_driver dabusb_class = {
.name = "dabusb%d",
+ .devnode = dabusb_devnode,
.fops = &dabusb_fops,
.minor_base = DABUSB_MINOR,
};
s->devnum = intf->minor;
if (usb_reset_configuration (usbdev) < 0) {
- err("reset_configuration failed");
+ dev_err(&intf->dev, "reset_configuration failed\n");
goto reject;
}
if (le16_to_cpu(usbdev->descriptor.idProduct) == 0x2131) {
dabusb_fpga_download (s, NULL);
if (usb_set_interface (s->usbdev, _DABUSB_IF, 0) < 0) {
- err("set_interface failed");
+ dev_err(&intf->dev, "set_interface failed\n");
goto reject;
}
}
dbg("dabusb_init: driver registered");
- info(DRIVER_VERSION ":" DRIVER_DESC);
+ printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+ DRIVER_DESC "\n");
out:
return retval;
MODULE_AUTHOR( DRIVER_AUTHOR );
MODULE_DESCRIPTION( DRIVER_DESC );
MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("dabusb/firmware.fw");
+MODULE_FIRMWARE("dabusb/bitstream.bin");
module_param(buffers, int, 0);
MODULE_PARM_DESC (buffers, "Number of buffers (default=256)");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff