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authorMichael Krufky <mkrufky@linuxtv.org>2007-03-03 12:10:43 (GMT)
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-03-03 12:14:36 (GMT)
commitaf70dbd3346999570db73b3bc3d4f7b7c004f2ea (patch)
tree46e53cf5ad43ffc9815a98ece2fb64e447356a00
parent48dc30a148b837bcfff0902011633a94789a64fa (diff)
downloadlinux-af70dbd3346999570db73b3bc3d4f7b7c004f2ea.tar.xz
V4L/DVB (5260): Cx88-blackbird: allow usage of both 376836 and 262144 sized firmware images
This updates the cx88-blackbird driver to be able to use the new cx23416 firmware image released by Hauppauge Computer Works, while retaining compatibility with the older firmware images. cx2341x firmware can be downloaded at: http://dl.ivtvdriver.org/ivtv/firmware/ Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
-rw-r--r--drivers/media/video/cx88/cx88-blackbird.c14
-rw-r--r--drivers/media/video/cx88/cx88.h1
2 files changed, 10 insertions, 5 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index a1be1e2..b0466b8 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -56,7 +56,8 @@ MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
/* ------------------------------------------------------------------ */
-#define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
+#define OLD_BLACKBIRD_FIRM_IMAGE_SIZE 262144
+#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
/* defines below are from ivtv-driver.h */
@@ -404,7 +405,7 @@ static int blackbird_find_mailbox(struct cx8802_dev *dev)
u32 value;
int i;
- for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
+ for (i = 0; i < dev->fw_size; i++) {
memory_read(dev->core, i, &value);
if (value == signature[signaturecnt])
signaturecnt++;
@@ -452,12 +453,15 @@ static int blackbird_load_firmware(struct cx8802_dev *dev)
return -1;
}
- if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
- dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
- firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
+ if ((firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) &&
+ (firmware->size != OLD_BLACKBIRD_FIRM_IMAGE_SIZE)) {
+ dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d or %d)\n",
+ firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE,
+ OLD_BLACKBIRD_FIRM_IMAGE_SIZE);
release_firmware(firmware);
return -1;
}
+ dev->fw_size = firmware->size;
if (0 != memcmp(firmware->data, magic, 8)) {
dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index d2ecfba..a4f7bef 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -463,6 +463,7 @@ struct cx8802_dev {
u32 mailbox;
int width;
int height;
+ int fw_size;
#if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE)
/* for dvb only */