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V4L/DVB (9918): cx88: advise/acquire clean-up for HVR-1300/3000/4000 

This cleans-up the advise/acquire methods.

This has been tested on the hvr-1300/4000 and assumed to be
correct on the hvr-3000.

This update also fixes analogue tuning on the hvr-1300
when in blackbird mode.

Signed-off-by: Darron Broad <darron@kewl.org>
Cc: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Darron Broad 2008-12-18 06:28:35 -03:00 committed by Mauro Carvalho Chehab
parent 6639f1e060
commit 7939273726
2 changed files with 36 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/media/video/cx88/cx88-blackbird.c
View File

@ -1244,8 +1244,16 @@ static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
* We're being given access to re-arrange the GPIOs.
* Take the bus off the cx22702 and put the cx23416 on it.
*/
cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
/* Toggle reset on cx22702 leaving i2c active */
cx_set(MO_GP0_IO, 0x00000080);
udelay(1000);
cx_clear(MO_GP0_IO, 0x00000080);
udelay(50);
cx_set(MO_GP0_IO, 0x00000080);
udelay(1000);
/* tri-state the cx22702 pins */
cx_set(MO_GP0_IO, 0x00000004);
udelay(1000);
break;
default:
err = -ENODEV;

48
drivers/media/video/cx88/cx88-dvb.c
View File

@ -1128,40 +1128,44 @@ static int cx8802_dvb_advise_acquire(struct cx8802_driver *drv)
* on the bus. Take the bus from the cx23416 and enable the
* cx22702 demod
*/
cx_set(MO_GP0_IO, 0x00000080); /* cx22702 out of reset and enable */
/* Toggle reset on cx22702 leaving i2c active */
cx_set(MO_GP0_IO, 0x00000080);
udelay(1000);
cx_clear(MO_GP0_IO, 0x00000080);
udelay(50);
cx_set(MO_GP0_IO, 0x00000080);
udelay(1000);
/* enable the cx22702 pins */
cx_clear(MO_GP0_IO, 0x00000004);
udelay(1000);
break;
case CX88_BOARD_HAUPPAUGE_HVR3000:
case CX88_BOARD_HAUPPAUGE_HVR4000:
if(core->dvbdev->frontends.active_fe_id == 1) {
/* DVB-S/S2 Enabled */
/* Toggle reset on cx22702 leaving i2c active */
cx_write(MO_GP0_IO, (core->board.input[0].gpio0 & 0x0000ff00) | 0x00000080);
udelay(1000);
cx_clear(MO_GP0_IO, 0x00000080);
udelay(50);
cx_set(MO_GP0_IO, 0x00000080); /* cx22702 out of reset */
cx_set(MO_GP0_IO, 0x00000004); /* tri-state the cx22702 pins */
udelay(1000);
cx_write(MO_SRST_IO, 1); /* Take the cx24116/cx24123 out of reset */
/* Toggle reset on cx22702 leaving i2c active */
cx_set(MO_GP0_IO, 0x00000080);
udelay(1000);
cx_clear(MO_GP0_IO, 0x00000080);
udelay(50);
cx_set(MO_GP0_IO, 0x00000080);
udelay(1000);
switch (core->dvbdev->frontends.active_fe_id) {
case 1: /* DVB-S/S2 Enabled */
/* tri-state the cx22702 pins */
cx_set(MO_GP0_IO, 0x00000004);
/* Take the cx24116/cx24123 out of reset */
cx_write(MO_SRST_IO, 1);
core->dvbdev->ts_gen_cntrl = 0x02; /* Parallel IO */
} else
if (core->dvbdev->frontends.active_fe_id == 2) {
/* DVB-T Enabled */
break;
case 2: /* DVB-T Enabled */
/* Put the cx24116/cx24123 into reset */
cx_write(MO_SRST_IO, 0);
/* cx22702 out of reset and enable it */
cx_set(MO_GP0_IO, 0x00000080);
/* enable the cx22702 pins */
cx_clear(MO_GP0_IO, 0x00000004);
core->dvbdev->ts_gen_cntrl = 0x0c; /* Serial IO */
udelay(1000);
break;
}
udelay(1000);
break;
default: