V4L/DVB (5633): Tuv1236d: move rf input switching code into dvb-pll

This patch removes duplicate code from cx88-dvb and saa7134-dvb that handles
rf input switching for the TUV1236d tuner.

The functionality is added to dvb-pll, where all the other code that 
handles the TUV1236d is kept.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

3 files changed, 21 insertions, 18 deletions

diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
index 0e3195f..1363cc8 100644
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ b/drivers/media/dvb/frontends/dvb-pll.c
@@ -343,11 +343,25 @@ EXPORT_SYMBOL(dvb_pll_tdhu2);
 /* Philips TUV1236D
  * used in ATI HDTV Wonder
  */
+static void tuv1236d_rf(u8 *buf, const struct dvb_frontend_parameters *params)
+{
+	switch (params->u.vsb.modulation) {
+		case QAM_64:
+		case QAM_256:
+			buf[3] |= 0x08;
+			break;
+		case VSB_8:
+		default:
+			buf[3] &= ~0x08;
+	}
+}
+
 struct dvb_pll_desc dvb_pll_tuv1236d = {
 	.name  = "Philips TUV1236D",
 	.min   =  54000000,
 	.max   = 864000000,
 	.iffreq= 44000000,
+	.set   = tuv1236d_rf,
 	.count = 3,
 	.entries = {
 		{ 157250000, 62500, 0xc6, 0x41 },
diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c
index b809f83..b96f8e8 100644
--- a/drivers/media/dvb/frontends/nxt200x.c
+++ b/drivers/media/dvb/frontends/nxt200x.c
@@ -546,11 +546,6 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe,
 		nxt200x_writebytes(state, 0x17, buf, 1);
 	}
 
-	/* get tuning information */
-	if (fe->ops.tuner_ops.calc_regs) {
-		fe->ops.tuner_ops.calc_regs(fe, p, buf, 5);
-	}
-
 	/* set additional params */
 	switch (p->u.vsb.modulation) {
 		case QAM_64:
@@ -559,27 +554,24 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe,
 			/* This is just a guess since I am unable to test it */
 			if (state->config->set_ts_params)
 				state->config->set_ts_params(fe, 1);
-
-			/* set input */
-			if (state->config->set_pll_input)
-				state->config->set_pll_input(buf+1, 1);
 			break;
 		case VSB_8:
 			/* Set non-punctured clock for VSB */
 			if (state->config->set_ts_params)
 				state->config->set_ts_params(fe, 0);
-
-			/* set input */
-			if (state->config->set_pll_input)
-				state->config->set_pll_input(buf+1, 0);
 			break;
 		default:
 			return -EINVAL;
 			break;
 	}
 
-	/* write frequency information */
-	nxt200x_writetuner(state, buf);
+	if (fe->ops.tuner_ops.calc_regs) {
+		/* get tuning information */
+		fe->ops.tuner_ops.calc_regs(fe, p, buf, 5);
+
+		/* write frequency information */
+		nxt200x_writetuner(state, buf);
+	}
 
 	/* reset the agc now that tuning has been completed */
 	nxt200x_agc_reset(state);
diff --git a/drivers/media/dvb/frontends/nxt200x.h b/drivers/media/dvb/frontends/nxt200x.h
index 28bc559..bb0ef58 100644
--- a/drivers/media/dvb/frontends/nxt200x.h
+++ b/drivers/media/dvb/frontends/nxt200x.h
@@ -38,9 +38,6 @@ struct nxt200x_config
 	/* the demodulator's i2c address */
 	u8 demod_address;
 
-	/* used to set pll input */
-	int (*set_pll_input)(u8* buf, int input);
-
 	/* need to set device param for start_dma */
 	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
 };