forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
ttusb-budget: use request_firmware()
Signed-off-by: David Woodhouse <[email protected]> Acked-by: Mauro Carvalho Chehab <[email protected]>
- Loading branch information
Showing
5 changed files
with
843 additions
and
1,648 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
|
@@ -19,6 +19,7 @@ | |
#include <linux/errno.h> | ||
#include <linux/jiffies.h> | ||
#include <linux/mutex.h> | ||
#include <linux/firmware.h> | ||
|
||
#include "dvb_frontend.h" | ||
#include "dmxdev.h" | ||
|
@@ -285,22 +286,28 @@ static int master_xfer(struct i2c_adapter* adapter, struct i2c_msg *msg, int num | |
return i; | ||
} | ||
|
||
#include "dvb-ttusb-dspbootcode.h" | ||
|
||
static int ttusb_boot_dsp(struct ttusb *ttusb) | ||
{ | ||
const struct firmware *fw; | ||
int i, err; | ||
u8 b[40]; | ||
|
||
err = request_firmware(&fw, "ttusb-budget/dspbootcode.bin", | ||
&ttusb->dev->dev); | ||
if (err) { | ||
printk(KERN_ERR "ttusb-budget: failed to request firmware\n"); | ||
return err; | ||
} | ||
|
||
/* BootBlock */ | ||
b[0] = 0xaa; | ||
b[2] = 0x13; | ||
b[3] = 28; | ||
|
||
/* upload dsp code in 32 byte steps (36 didn't work for me ...) */ | ||
/* 32 is max packet size, no messages should be splitted. */ | ||
for (i = 0; i < sizeof(dsp_bootcode); i += 28) { | ||
memcpy(&b[4], &dsp_bootcode[i], 28); | ||
for (i = 0; i < fw->size; i += 28) { | ||
memcpy(&b[4], &fw->data[i], 28); | ||
|
||
b[1] = ++ttusb->c; | ||
|
||
|
@@ -1820,3 +1827,4 @@ module_exit(ttusb_exit); | |
MODULE_AUTHOR("Holger Waechtler <[email protected]>"); | ||
MODULE_DESCRIPTION("TTUSB DVB Driver"); | ||
MODULE_LICENSE("GPL"); | ||
MODULE_FIRMWARE("ttusb-budget/dspbootcode.bin"); |
Oops, something went wrong.