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authorBrad Love <brad@nextdimension.cc>2019-06-05 16:22:11 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-06-13 14:31:25 -0400
commitdd60bf4360312559654a5efdac5108fee6fc9fdf (patch)
tree0298f37dd21a41134c220381b73da65d1cc7556e /drivers/media/usb/pvrusb2/pvrusb2-hdw.c
parent6f6be371608e88922970a3968f963720ba3871f0 (diff)
downloadlinux-dd60bf4360312559654a5efdac5108fee6fc9fdf.tar.bz2
media: pvrusb2: Add Hauppauge HVR1955/1975 devices
Includes support to identify and use two Hauppauge device. - LGDT3306a ATSC/QAM demod - si2177 tuner - cx25840 decoder for analog tv/composite/s-video/audio HVR-1975 dual-frontend: - LGDT3306a ATSC/QAM demod - si2168 DVB-C/T/T2 demod - si2177 tuner - cx25840 decoder for analog tv/composite/s-video/audio Signed-off-by: Brad Love <brad@nextdimension.cc> Reviewed-by: Sean Young <sean@mess.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-hdw.c')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-hdw.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
index 191439109788..957913146e88 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
@@ -316,6 +316,8 @@ static const struct pvr2_fx2cmd_descdef pvr2_fx2cmd_desc[] = {
{FX2CMD_ONAIR_DTV_STREAMING_OFF, "onair dtv stream off"},
{FX2CMD_ONAIR_DTV_POWER_ON, "onair dtv power on"},
{FX2CMD_ONAIR_DTV_POWER_OFF, "onair dtv power off"},
+ {FX2CMD_HCW_DEMOD_RESET_PIN, "hcw demod reset pin"},
+ {FX2CMD_HCW_MAKO_SLEEP_PIN, "hcw mako sleep pin"},
};
@@ -2139,10 +2141,28 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw)
((0) << 16));
}
- // This step MUST happen after the earlier powerup step.
+ /* This step MUST happen after the earlier powerup step */
pvr2_i2c_core_init(hdw);
if (!pvr2_hdw_dev_ok(hdw)) return;
+ /* Reset demod only on Hauppauge 160xxx platform */
+ if (le16_to_cpu(hdw->usb_dev->descriptor.idVendor) == 0x2040 &&
+ (le16_to_cpu(hdw->usb_dev->descriptor.idProduct) == 0x7502 ||
+ le16_to_cpu(hdw->usb_dev->descriptor.idProduct) == 0x7510)) {
+ pr_info("%s(): resetting 160xxx demod\n", __func__);
+ /* TODO: not sure this is proper place to reset once only */
+ pvr2_issue_simple_cmd(hdw,
+ FX2CMD_HCW_DEMOD_RESET_PIN |
+ (1 << 8) |
+ ((0) << 16));
+ usleep_range(10000, 10500);
+ pvr2_issue_simple_cmd(hdw,
+ FX2CMD_HCW_DEMOD_RESET_PIN |
+ (1 << 8) |
+ ((1) << 16));
+ usleep_range(10000, 10500);
+ }
+
pvr2_hdw_load_modules(hdw);
if (!pvr2_hdw_dev_ok(hdw)) return;
@@ -4012,6 +4032,20 @@ int pvr2_hdw_cmd_decoder_reset(struct pvr2_hdw *hdw)
static int pvr2_hdw_cmd_hcw_demod_reset(struct pvr2_hdw *hdw, int onoff)
{
hdw->flag_ok = !0;
+
+ /* Use this for Hauppauge 160xxx only */
+ if (le16_to_cpu(hdw->usb_dev->descriptor.idVendor) == 0x2040 &&
+ (le16_to_cpu(hdw->usb_dev->descriptor.idProduct) == 0x7502 ||
+ le16_to_cpu(hdw->usb_dev->descriptor.idProduct) == 0x7510)) {
+ pr_debug("%s(): resetting demod on Hauppauge 160xxx platform skipped\n",
+ __func__);
+ /* Can't reset 160xxx or it will trash Demod tristate */
+ return pvr2_issue_simple_cmd(hdw,
+ FX2CMD_HCW_MAKO_SLEEP_PIN |
+ (1 << 8) |
+ ((onoff ? 1 : 0) << 16));
+ }
+
return pvr2_issue_simple_cmd(hdw,
FX2CMD_HCW_DEMOD_RESETIN |
(1 << 8) |