From dbcfef67ad2d4d146a41d54004f50f29d038c34f Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 18 Feb 2007 16:54:09 -0300 Subject: [PATCH] V4L: 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-blackbird.c | 14 +++++++++----- drivers/media/video/cx88/cx88.h | 1 + 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 0cf0360..1c04516 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -53,7 +53,8 @@ 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 */ @@ -401,7 +402,7 @@ 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++; @@ -449,12 +450,15 @@ 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 a9575ad..e775b4b 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -459,6 +459,7 @@ struct cx8802_dev { u32 mailbox; int width; int height; + int fw_size; /* for dvb only */ struct videobuf_dvb dvb; -- 1.4.4.2