V4L/DVB (7041): s5h1409: Bug fix for parallel support

Parallel support was not working with the s5h1409 and the Pinnacle HD800i.
This patch fixes the demodulator driver and ensures that all existing
s5h1409 based products configure the demodulator correctly.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/dvb/frontends/s5h1409.c b/drivers/media/dvb/frontends/s5h1409.c
index 3391777e0b2fa3b435280e973444da0b8b36f46b..819433485d3b27a3dda97c621419573d0cb1cf1f 100644 (file)
--- a/drivers/media/dvb/frontends/s5h1409.c
+++ b/drivers/media/dvb/frontends/s5h1409.c
@@ -98,7 +98,7 @@ static struct init_tab {
        { 0xac, 0x1003, },
        { 0xad, 0x103f, },
        { 0xe2, 0x0100, },
-       { 0xe3, 0x0000, },
+       { 0xe3, 0x1000, },
        { 0x28, 0x1010, },
        { 0xb1, 0x000e, },
 };
@@ -441,9 +441,11 @@ static int s5h1409_set_gpio(struct dvb_frontend* fe, int enable)
        dprintk("%s(%d)\n", __FUNCTION__, enable);
 
        if (enable)
-               return s5h1409_writereg(state, 0xe3, 0x1100);
+               return s5h1409_writereg(state, 0xe3,
+                       s5h1409_readreg(state, 0xe3) | 0x1100);
        else
-               return s5h1409_writereg(state, 0xe3, 0x1000);
+               return s5h1409_writereg(state, 0xe3,
+                       s5h1409_readreg(state, 0xe3) & 0xeeff);
 }
 
 static int s5h1409_sleep(struct dvb_frontend* fe, int enable)
@@ -513,13 +515,15 @@ static void s5h1409_set_qam_interleave_mode(struct dvb_frontend *fe)
                        s5h1409_writereg(state, 0x96, 0x20);
                        s5h1409_writereg(state, 0xad,
                                ( ((reg1 & 0xf000) >> 4) | (reg2 & 0xf0ff)) );
-                       s5h1409_writereg(state, 0xab, 0x1100);
+                       s5h1409_writereg(state, 0xab,
+                               s5h1409_readreg(state, 0xab) & 0xeffe);
                }
        } else {
                if (state->qam_state != 1) {
                        state->qam_state = 1;
                        s5h1409_writereg(state, 0x96, 0x08);
-                       s5h1409_writereg(state, 0xab, 0x1101);
+                       s5h1409_writereg(state, 0xab,
+                               s5h1409_readreg(state, 0xab) | 0x1001);
                }
        }
 }
@@ -556,6 +560,36 @@ static int s5h1409_set_frontend (struct dvb_frontend* fe,
        return 0;
 }
 
+static int s5h1409_set_mpeg_timing(struct dvb_frontend *fe, int mode)
+{
+       struct s5h1409_state *state = fe->demodulator_priv;
+       u16 val;
+
+       dprintk("%s(%d)\n", __FUNCTION__, mode);
+
+       val = s5h1409_readreg(state, 0xac) & 0xcfff;
+       switch (mode) {
+       case S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK:
+               val |= 0x0000;
+               break;
+       case S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK:
+               dprintk("%s(%d) Mode1 or Defaulting\n", __FUNCTION__, mode);
+               val |= 0x1000;
+               break;
+       case S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK:
+               val |= 0x2000;
+               break;
+       case S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK:
+               val |= 0x3000;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       /* Configure MPEG Signal Timing charactistics */
+       return s5h1409_writereg(state, 0xac, val);
+}
+
 /* Reset the demod hardware and reset all of the configuration registers
    to a default state. */
 static int s5h1409_init (struct dvb_frontend* fe)
@@ -575,13 +609,16 @@ static int s5h1409_init (struct dvb_frontend* fe)
        state->current_modulation = VSB_8;
 
        if (state->config->output_mode == S5H1409_SERIAL_OUTPUT)
-               s5h1409_writereg(state, 0xab, 0x100); /* Serial */
+               s5h1409_writereg(state, 0xab,
+                       s5h1409_readreg(state, 0xab) | 0x100); /* Serial */
        else
-               s5h1409_writereg(state, 0xab, 0x0); /* Parallel */
+               s5h1409_writereg(state, 0xab,
+                       s5h1409_readreg(state, 0xab) & 0xfeff); /* Parallel */
 
        s5h1409_set_spectralinversion(fe, state->config->inversion);
        s5h1409_set_if_freq(fe, state->if_freq);
        s5h1409_set_gpio(fe, state->config->gpio);
+       s5h1409_set_mpeg_timing(fe, state->config->mpeg_timing);
        s5h1409_softreset(fe);
 
        /* Note: Leaving the I2C gate closed. */

diff --git a/drivers/media/dvb/frontends/s5h1409.h b/drivers/media/dvb/frontends/s5h1409.h
index b1f43390666468bc3efd8fdcbb1ca108602b18df..f0bb13fe808b99053333be93699d7eefb74c118a 100644 (file)
--- a/drivers/media/dvb/frontends/s5h1409.h
+++ b/drivers/media/dvb/frontends/s5h1409.h
@@ -51,6 +51,13 @@ struct s5h1409_config
 #define S5H1409_TUNERLOCKING 0
 #define S5H1409_DEMODLOCKING 1
        u8 status_mode;
+
+       /* MPEG signal timing */
+#define S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK       0
+#define S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK    1
+#define S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK    2
+#define S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
+       u16 mpeg_timing;
 };
 
 #if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) && defined(MODULE))

diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index 34910368049e5a5ea990ef9cda73f3cdee552561..21937d5cbb1295232b8c3045d131767624f5582e 100644 (file)
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -126,7 +126,8 @@ static struct s5h1409_config hauppauge_generic_config = {
        .gpio          = S5H1409_GPIO_ON,
        .qam_if        = 44000,
        .inversion     = S5H1409_INVERSION_OFF,
-       .status_mode   = S5H1409_DEMODLOCKING
+       .status_mode   = S5H1409_DEMODLOCKING,
+       .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 };
 
 static struct s5h1409_config hauppauge_ezqam_config = {
@@ -135,7 +136,8 @@ static struct s5h1409_config hauppauge_ezqam_config = {
        .gpio          = S5H1409_GPIO_OFF,
        .qam_if        = 4000,
        .inversion     = S5H1409_INVERSION_ON,
-       .status_mode   = S5H1409_DEMODLOCKING
+       .status_mode   = S5H1409_DEMODLOCKING,
+       .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 };
 
 static struct s5h1409_config hauppauge_hvr1800lp_config = {
@@ -144,7 +146,8 @@ static struct s5h1409_config hauppauge_hvr1800lp_config = {
        .gpio          = S5H1409_GPIO_OFF,
        .qam_if        = 44000,
        .inversion     = S5H1409_INVERSION_OFF,
-       .status_mode   = S5H1409_DEMODLOCKING
+       .status_mode   = S5H1409_DEMODLOCKING,
+       .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 };
 
 static struct s5h1409_config hauppauge_hvr1500_config = {
@@ -152,7 +155,8 @@ static struct s5h1409_config hauppauge_hvr1500_config = {
        .output_mode   = S5H1409_SERIAL_OUTPUT,
        .gpio          = S5H1409_GPIO_OFF,
        .inversion     = S5H1409_INVERSION_OFF,
-       .status_mode   = S5H1409_DEMODLOCKING
+       .status_mode   = S5H1409_DEMODLOCKING,
+       .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 };
 
 static struct mt2131_config hauppauge_generic_tunerconfig = {
@@ -171,7 +175,8 @@ static struct s5h1409_config hauppauge_hvr1500q_config = {
        .gpio          = S5H1409_GPIO_ON,
        .qam_if        = 44000,
        .inversion     = S5H1409_INVERSION_OFF,
-       .status_mode   = S5H1409_DEMODLOCKING
+       .status_mode   = S5H1409_DEMODLOCKING,
+       .mpeg_timing   = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
 };
 
 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {