hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

V4L/DVB (11768): cx23885: add ATSC/QAM tuning support for Hauppauge WinTV-HVR1270 

Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Krufky 2009-05-03 23:27:02 -03:00 committed by Mauro Carvalho Chehab
parent 2074dffaed
commit a5dbf45766
2 changed files with 35 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/media/video/cx23885/cx23885-cards.c
View File

@ -183,6 +183,7 @@ struct cx23885_board cx23885_boards[] = {
},
[CX23885_BOARD_HAUPPAUGE_HVR1270] = {
.name = "Hauppauge WinTV-HVR1270",
.portc = CX23885_MPEG_DVB,
},
};
const unsigned int cx23885_bcount = ARRAY_SIZE(cx23885_boards);

34
drivers/media/video/cx23885/cx23885-dvb.c
View File

@ -51,6 +51,7 @@
#include "cimax2.h"
#include "netup-eeprom.h"
#include "netup-init.h"
#include "lgdt3305.h"
static unsigned int debug;
@ -226,6 +227,28 @@ static struct tda18271_config hauppauge_hvr1200_tuner_config = {
.gate = TDA18271_GATE_ANALOG,
};
static struct tda18271_std_map hcw_lgdt3305_tda18271_std_map = {
.atsc_6 = { .if_freq = 3250, .agc_mode = 3, .std = 4,
.if_lvl = 1, .rfagc_top = 0x58 },
.qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 5,
.if_lvl = 1, .rfagc_top = 0x58 },
};
static struct tda18271_config hcw_lgdt3305_tda18271_config = {
.std_map = &hcw_lgdt3305_tda18271_std_map,
};
static struct lgdt3305_config hcw_lgdt3305_config = {
.i2c_addr = 0x0e,
.mpeg_mode = LGDT3305_MPEG_SERIAL,
.tpclk_edge = LGDT3305_TPCLK_FALLING_EDGE,
.tpvalid_polarity = LGDT3305_TP_VALID_HIGH,
.deny_i2c_rptr = 1,
.spectral_inversion = 1,
.qam_if_khz = 4000,
.vsb_if_khz = 3250,
};
static struct dibx000_agc_config xc3028_agc_config = {
BAND_VHF | BAND_UHF, /* band_caps */
@ -398,6 +421,17 @@ static int dvb_register(struct cx23885_tsport *port)
&hauppauge_generic_tunerconfig, 0);
}
break;
case CX23885_BOARD_HAUPPAUGE_HVR1270:
i2c_bus = &dev->i2c_bus[0];
fe0->dvb.frontend = dvb_attach(lgdt3305_attach,
&hcw_lgdt3305_config,
&i2c_bus->i2c_adap);
if (fe0->dvb.frontend != NULL) {
dvb_attach(tda18271_attach, fe0->dvb.frontend,
0x60, &dev->i2c_bus[1].i2c_adap,
&hcw_lgdt3305_tda18271_config);
}
break;
case CX23885_BOARD_HAUPPAUGE_HVR1800:
i2c_bus = &dev->i2c_bus[0];
switch (alt_tuner) {