diff options
| author | matthieu castet <castet.matthieu@free.fr> | 2011-12-16 21:15:07 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-05 02:37:54 +0400 |
| commit | 3874cd7796ef1a03cd6d2a2d886e3ac4c35af09c (patch) | |
| tree | c7f73860ccff3a873f04bf5d0f7559643bd3a739 /drivers/media/video/tm6000 | |
| parent | 7581e61d8d7a3ed89a3fdac2235231cd36548f78 (diff) | |
| download | linux-3874cd7796ef1a03cd6d2a2d886e3ac4c35af09c.tar.xz | |
[media] tm6000: improve loading speed on hauppauge 900H
- enable fast usb quirk
- use usleep_range instead on msleep for short sleep
- merge i2c out and usb delay
- do like the windows driver that upload the tuner firmware
with 80 bytes packets
Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr>
CC: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/tm6000')
| -rw-r--r-- | drivers/media/video/tm6000/tm6000-cards.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/tm6000/tm6000-core.c | 16 | ||||
| -rw-r--r-- | drivers/media/video/tm6000/tm6000-i2c.c | 8 |
3 files changed, 17 insertions, 9 deletions
diff --git a/drivers/media/video/tm6000/tm6000-cards.c b/drivers/media/video/tm6000/tm6000-cards.c index 6b74259cd5c8..3678918821b0 100644 --- a/drivers/media/video/tm6000/tm6000-cards.c +++ b/drivers/media/video/tm6000/tm6000-cards.c @@ -943,6 +943,7 @@ static void tm6000_config_tuner(struct tm6000_core *dev) case TM6010_BOARD_HAUPPAUGE_900H: case TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE: case TM6010_BOARD_TWINHAN_TU501: + ctl.max_len = 80; ctl.fname = "xc3028L-v36.fw"; break; default: @@ -1004,6 +1005,7 @@ static int fill_board_specific_data(struct tm6000_core *dev) /* setup per-model quirks */ switch (dev->model) { case TM6010_BOARD_TERRATEC_CINERGY_HYBRID_XE: + case TM6010_BOARD_HAUPPAUGE_900H: dev->quirks |= TM6000_QUIRK_NO_USB_DELAY; break; diff --git a/drivers/media/video/tm6000/tm6000-core.c b/drivers/media/video/tm6000/tm6000-core.c index 979c85b73814..22cc0116deb6 100644 --- a/drivers/media/video/tm6000/tm6000-core.c +++ b/drivers/media/video/tm6000/tm6000-core.c @@ -38,6 +38,7 @@ int tm6000_read_write_usb(struct tm6000_core *dev, u8 req_type, u8 req, int ret, i; unsigned int pipe; u8 *data = NULL; + int delay = 5000; mutex_lock(&dev->usb_lock); @@ -89,8 +90,19 @@ int tm6000_read_write_usb(struct tm6000_core *dev, u8 req_type, u8 req, kfree(data); - if ((dev->quirks & TM6000_QUIRK_NO_USB_DELAY) == 0) - msleep(5); + if (dev->quirks & TM6000_QUIRK_NO_USB_DELAY) + delay = 0; + + if (req == REQ_16_SET_GET_I2C_WR1_RDN && !(req_type & USB_DIR_IN)) { + unsigned int tsleep; + /* Calculate delay time, 14000us for 64 bytes */ + tsleep = (len * 200) + 200; + if (tsleep < delay) + tsleep = delay; + usleep_range(tsleep, tsleep + 1000); + } + else if (delay) + usleep_range(delay, delay + 1000); mutex_unlock(&dev->usb_lock); return ret; diff --git a/drivers/media/video/tm6000/tm6000-i2c.c b/drivers/media/video/tm6000/tm6000-i2c.c index 0290bbf00c3e..c7e23e3dd75e 100644 --- a/drivers/media/video/tm6000/tm6000-i2c.c +++ b/drivers/media/video/tm6000/tm6000-i2c.c @@ -46,11 +46,10 @@ static int tm6000_i2c_send_regs(struct tm6000_core *dev, unsigned char addr, __u8 reg, char *buf, int len) { int rc; - unsigned int tsleep; unsigned int i2c_packet_limit = 16; if (dev->dev_type == TM6010) - i2c_packet_limit = 64; + i2c_packet_limit = 80; if (!buf) return -1; @@ -71,10 +70,6 @@ static int tm6000_i2c_send_regs(struct tm6000_core *dev, unsigned char addr, return rc; } - /* Calculate delay time, 14000us for 64 bytes */ - tsleep = ((len * 200) + 200 + 1000) / 1000; - msleep(tsleep); - /* release mutex */ return rc; } @@ -145,7 +140,6 @@ static int tm6000_i2c_recv_regs16(struct tm6000_core *dev, unsigned char addr, return rc; } - msleep(1400 / 1000); rc = tm6000_read_write_usb(dev, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, REQ_35_AFTEK_TUNER_READ, reg, 0, buf, len); |