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authorDarron Broad <darron@kewl.org>2008-12-18 06:28:35 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:39:17 -0200
commit793927372626bae48b32db24dddde40d73923a9c (patch)
tree462a96b1da4da035e78acb4d835734d8ac20f303
parent6639f1e060c2d2f3331ba6bcefe8f65b623365f3 (diff)
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>
-rw-r--r--drivers/media/video/cx88/cx88-blackbird.c12
-rw-r--r--drivers/media/video/cx88/cx88-dvb.c48
2 files changed, 36 insertions, 24 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index ca067ec250a..e162a70748c 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -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;
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index e5bbc7b37c3..da4dd4913d9 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -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: