Messages in this thread Patch in this message | | | Date | Thu, 21 Jul 2005 00:21:01 -0400 | From | Michael Krufky <> | Subject | [2.6.13 PATCH 2/4] 02-lgdt3302-rf-input.patch |
| |
Michael Krufky wrote:
> This patch series spans both video4linux and linux-dvb trees. > Remove the dvb_pll_desc from the lgdt3302 frontend and replace with a > pll_set-callback to isolate the tuner programming from the frontend. > > Select the RF input connector based upon the type of demodulation > selected. ANT RF connector is selected for 8-VSB and CABLE RF > connector is selected for QAM64/QAM256. Implement this along the lines > posted to linux-dvb list (subscribers only) by Patrick Boettcher. ( > http://linuxtv.org/pipermail/linux-dvb/2005-July/003557.html ) This > only affects the cards that use the Microtune 4042 tuner. This is not > ideal, but there is no current specification for selecting RF inputs. > It makes the card work the same way as the Windows driver thus it may > reduce user confusion. >
Select the RF input connector based upon the type of demodulation selected. ANT RF connector is selected for 8-VSB and CABLE RF connector is selected for QAM64/QAM256. This only affects the cards that use the Microtune 4042 tuner.
Signed-off-by: Mac Michaels <wmichaels1@earthlink.net> Signed-off-by: Michael Krufky <mkrufky@m1k.net>
linux/drivers/media/dvb/frontends/lgdt3302.c | 12 +++++++++++ linux/drivers/media/dvb/frontends/lgdt3302.h | 1 linux/drivers/media/video/cx88/cx88-dvb.c | 20 +++++++++++++++++-- 3 files changed, 31 insertions(+), 2 deletions(-)
diff -u linux-2.6.13/drivers/media/dvb/frontends/lgdt3302.c linux/drivers/media/dvb/frontends/lgdt3302.c --- linux-2.6.13/drivers/media/dvb/frontends/lgdt3302.c 2005-07-20 22:50:39.000000000 +0000 +++ linux/drivers/media/dvb/frontends/lgdt3302.c 2005-07-20 22:53:29.000000000 +0000 @@ -214,6 +214,10 @@ /* Select VSB mode and serial MPEG interface */ top_ctrl_cfg[1] = 0x07; + + /* Select ANT connector if supported by card */ + if (state->config->pll_rf_set) + state->config->pll_rf_set(fe, 1); break; case QAM_64: @@ -221,6 +225,10 @@ /* Select QAM_64 mode and serial MPEG interface */ top_ctrl_cfg[1] = 0x04; + + /* Select CABLE connector if supported by card */ + if (state->config->pll_rf_set) + state->config->pll_rf_set(fe, 0); break; case QAM_256: @@ -228,6 +236,10 @@ /* Select QAM_256 mode and serial MPEG interface */ top_ctrl_cfg[1] = 0x05; + + /* Select CABLE connector if supported by card */ + if (state->config->pll_rf_set) + state->config->pll_rf_set(fe, 0); break; default: printk(KERN_WARNING "lgdt3302: %s: Modulation type(%d) UNSUPPORTED\n", __FUNCTION__, param->u.vsb.modulation); diff -u linux-2.6.13/drivers/media/dvb/frontends/lgdt3302.h linux/drivers/media/dvb/frontends/lgdt3302.h --- linux-2.6.13/drivers/media/dvb/frontends/lgdt3302.h 2005-07-20 22:50:39.000000000 +0000 +++ linux/drivers/media/dvb/frontends/lgdt3302.h 2005-07-20 22:53:29.000000000 +0000 @@ -30,6 +30,7 @@ u8 demod_address; /* PLL interface */ + int (*pll_rf_set) (struct dvb_frontend* fe, int index); int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pll_address); /* Need to set device param for start_dma */ diff -u linux-2.6.13/drivers/media/video/cx88/cx88-dvb.c linux/drivers/media/video/cx88/cx88-dvb.c --- linux-2.6.13/drivers/media/video/cx88/cx88-dvb.c 2005-07-20 22:50:39.000000000 +0000 +++ linux/drivers/media/video/cx88/cx88-dvb.c 2005-07-20 22:53:29.000000000 +0000 @@ -1,5 +1,5 @@ /* - * $Id: cx88-dvb.c,v 1.47 2005/07/20 05:20:37 mkrufky Exp $ + * $Id: cx88-dvb.c,v 1.48 2005/07/20 05:33:33 mkrufky Exp $ * * device driver for Conexant 2388x based TV cards * MPEG Transport Stream (DVB) routines @@ -223,6 +223,19 @@ return 0; } +static int lgdt3302_pll_rf_set(struct dvb_frontend* fe, int index) +{ + struct cx8802_dev *dev= fe->dvb->priv; + struct cx88_core *core = dev->core; + + dprintk(1, "%s: index = %d\n", __FUNCTION__, index); + if (index == 0) + cx_clear(MO_GP0_IO, 8); + else + cx_set(MO_GP0_IO, 8); + return 0; +} + static int lgdt3302_set_ts_param(struct dvb_frontend* fe, int is_punctured) { struct cx8802_dev *dev= fe->dvb->priv; @@ -296,8 +309,11 @@ cx_clear(MO_GP0_IO, 1); mdelay(100); - cx_set(MO_GP0_IO, 9); // ANT connector too FIXME + cx_set(MO_GP0_IO, 1); mdelay(200); + + /* Select RF connector callback */ + fusionhdtv_3_gold.pll_rf_set = lgdt3302_pll_rf_set; dev->core->pll_addr = 0x61; dev->core->pll_desc = &dvb_pll_microtune_4042; dev->dvb.frontend = lgdt3302_attach(&fusionhdtv_3_gold, | |