[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>
diff --git a/drivers/media/video/tm6000/tm6000-cards.c b/drivers/media/video/tm6000/tm6000-cards.c
index 6b74259..3678918 100644
--- a/drivers/media/video/tm6000/tm6000-cards.c
+++ b/drivers/media/video/tm6000/tm6000-cards.c
@@ -943,6 +943,7 @@
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 @@
/* 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 979c85b..22cc011 100644
--- a/drivers/media/video/tm6000/tm6000-core.c
+++ b/drivers/media/video/tm6000/tm6000-core.c
@@ -38,6 +38,7 @@
int ret, i;
unsigned int pipe;
u8 *data = NULL;
+ int delay = 5000;
mutex_lock(&dev->usb_lock);
@@ -89,8 +90,19 @@
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 0290bbf..c7e23e3 100644
--- a/drivers/media/video/tm6000/tm6000-i2c.c
+++ b/drivers/media/video/tm6000/tm6000-i2c.c
@@ -46,11 +46,10 @@
__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 @@
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 @@
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);