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authorMichael Krufky <mkrufky@linuxtv.org>2008-06-26 04:58:30 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-20 07:23:20 -0300
commit02aea4fb640cdc4018e0a6d34e235eb63e4482d7 (patch)
treee357cba33f9c33374b2fd8ceed7bde1e13f6f680 /drivers
parent2708e888c57904f78649dcd91dcda9768d580ecf (diff)
V4L/DVB (8301): sms1xxx: add capability to define device-specific firmware filenames
Add the capability to define device-specific firmware filenames for the SMS1150, with a mechanism to fall back to the generic firmware if the device-specific firmware is not present. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/dvb/siano/sms-cards.h2
-rw-r--r--drivers/media/dvb/siano/smscoreapi.c31
-rw-r--r--drivers/media/dvb/siano/smsusb.c1
3 files changed, 28 insertions, 6 deletions
diff --git a/drivers/media/dvb/siano/sms-cards.h b/drivers/media/dvb/siano/sms-cards.h
index 7ba3df63dff..9e93f0b5b23 100644
--- a/drivers/media/dvb/siano/sms-cards.h
+++ b/drivers/media/dvb/siano/sms-cards.h
@@ -31,8 +31,8 @@
#define SMS1XXX_BOARD_SIANO_VEGA 5
struct sms_board {
- char *name;
enum sms_device_type_st type;
+ char *name, *fw[DEVICE_MODE_MAX];
};
struct sms_board *sms_get_board(int id);
diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c
index bbb3ad9c804..eaa7cf22715 100644
--- a/drivers/media/dvb/siano/smscoreapi.c
+++ b/drivers/media/dvb/siano/smscoreapi.c
@@ -32,6 +32,7 @@
#include <linux/firmware.h>
#include "smscoreapi.h"
+#include "sms-cards.h"
int sms_debug;
module_param_named(debug, sms_debug, int, 0644);
@@ -600,7 +601,7 @@ static int smscore_load_firmware_from_file(struct smscore_device_t *coredev,
sms_info("failed to open \"%s\"", filename);
return rc;
}
- sms_info("read FW %s, size=%d\"", filename, fw->size);
+ sms_info("read FW %s, size=%d", filename, fw->size);
fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT),
GFP_KERNEL | GFP_DMA);
if (fw_buffer) {
@@ -736,6 +737,12 @@ static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = {
{"none", "none", "none", "cmmb_vega_12mhz.inp"}
};
+static inline char *sms_get_fw_name(struct smscore_device_t *coredev,
+ int mode, enum sms_device_type_st type)
+{
+ char **fw = sms_get_board(smscore_get_board_id(coredev))->fw;
+ return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type];
+}
/**
* calls device handler to change mode of operation
@@ -776,12 +783,26 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
}
if (!(coredev->modes_supported & (1 << mode))) {
+ char *fw_filename;
+
type = smscore_registry_gettype(coredev->devpath);
- rc = smscore_load_firmware_from_file(
- coredev, smscore_fw_lkup[mode][type], NULL);
+ fw_filename = sms_get_fw_name(coredev, mode, type);
+
+ rc = smscore_load_firmware_from_file(coredev,
+ fw_filename, NULL);
if (rc < 0) {
- sms_err("load firmware failed %d", rc);
- return rc;
+ sms_err("error %d loading firmware: %s, "
+ "trying again with default firmware",
+ rc, fw_filename);
+
+ /* try again with the default firmware */
+ rc = smscore_load_firmware_from_file(coredev,
+ smscore_fw_lkup[mode][type], NULL);
+
+ if (rc < 0) {
+ sms_err("load firmware failed %d", rc);
+ return rc;
+ }
}
} else
sms_info("mode %d supported by running "
diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c
index e7e0fe73542..f85210f2bd0 100644
--- a/drivers/media/dvb/siano/smsusb.c
+++ b/drivers/media/dvb/siano/smsusb.c
@@ -216,6 +216,7 @@ static int smsusb1_load_firmware(struct usb_device *udev, int id)
sms_err("failed to allocate firmware buffer");
rc = -ENOMEM;
}
+ sms_info("read FW %s, size=%d", smsusb1_fw_lkup[id], fw->size);
release_firmware(fw);