[media] rtl2830: use .get_if_frequency()
authorAntti Palosaari <crope@iki.fi>
Wed, 12 Sep 2012 23:23:48 +0000 (20:23 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sun, 23 Sep 2012 23:18:10 +0000 (20:18 -0300)
Use .get_if_frequency() as all used tuner drivers
(mt2060/qt1010/mxl5005s) supports it.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb-frontends/rtl2830.c
drivers/media/dvb-frontends/rtl2830.h
drivers/media/usb/dvb-usb-v2/rtl28xxu.c

index eca1d72f06840bcac03775294bb838ec6c02eea0..3954760f2bdee8b34a4c8b7ffa689fd1de1bfb96 100644 (file)
@@ -182,9 +182,6 @@ static int rtl2830_init(struct dvb_frontend *fe)
 {
        struct rtl2830_priv *priv = fe->demodulator_priv;
        int ret, i;
-       u64 num;
-       u8 buf[3], tmp;
-       u32 if_ctl;
        struct rtl2830_reg_val_mask tab[] = {
                { 0x00d, 0x01, 0x03 },
                { 0x00d, 0x10, 0x10 },
@@ -240,26 +237,6 @@ static int rtl2830_init(struct dvb_frontend *fe)
        if (ret)
                goto err;
 
-       num = priv->cfg.if_dvbt % priv->cfg.xtal;
-       num *= 0x400000;
-       num = div_u64(num, priv->cfg.xtal);
-       num = -num;
-       if_ctl = num & 0x3fffff;
-       dev_dbg(&priv->i2c->dev, "%s: if_ctl=%08x\n", __func__, if_ctl);
-
-       ret = rtl2830_rd_reg_mask(priv, 0x119, &tmp, 0xc0); /* b[7:6] */
-       if (ret)
-               goto err;
-
-       buf[0] = tmp << 6;
-       buf[0] = (if_ctl >> 16) & 0x3f;
-       buf[1] = (if_ctl >>  8) & 0xff;
-       buf[2] = (if_ctl >>  0) & 0xff;
-
-       ret = rtl2830_wr_regs(priv, 0x119, buf, 3);
-       if (ret)
-               goto err;
-
        /* TODO: spec init */
 
        /* soft reset */
@@ -301,6 +278,9 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
        struct rtl2830_priv *priv = fe->demodulator_priv;
        struct dtv_frontend_properties *c = &fe->dtv_property_cache;
        int ret, i;
+       u64 num;
+       u8 buf[3], tmp;
+       u32 if_ctl, if_frequency;
        static u8 bw_params1[3][34] = {
                {
                0x1f, 0xf0, 0x1f, 0xf0, 0x1f, 0xfa, 0x00, 0x17, 0x00, 0x41,
@@ -325,7 +305,6 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
                {0xae, 0xba, 0xf3, 0x26, 0x66, 0x64,}, /* 8 MHz */
        };
 
-
        dev_dbg(&priv->i2c->dev,
                        "%s: frequency=%d bandwidth_hz=%d inversion=%d\n",
                        __func__, c->frequency, c->bandwidth_hz, c->inversion);
@@ -353,6 +332,36 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
        if (ret)
                goto err;
 
+       /* program if frequency */
+       if (fe->ops.tuner_ops.get_if_frequency)
+               ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
+       else
+               ret = -EINVAL;
+
+       if (ret < 0)
+               goto err;
+
+       num = if_frequency % priv->cfg.xtal;
+       num *= 0x400000;
+       num = div_u64(num, priv->cfg.xtal);
+       num = -num;
+       if_ctl = num & 0x3fffff;
+       dev_dbg(&priv->i2c->dev, "%s: if_frequency=%d if_ctl=%08x\n",
+                       __func__, if_frequency, if_ctl);
+
+       ret = rtl2830_rd_reg_mask(priv, 0x119, &tmp, 0xc0); /* b[7:6] */
+       if (ret)
+               goto err;
+
+       buf[0] = tmp << 6;
+       buf[0] |= (if_ctl >> 16) & 0x3f;
+       buf[1] = (if_ctl >>  8) & 0xff;
+       buf[2] = (if_ctl >>  0) & 0xff;
+
+       ret = rtl2830_wr_regs(priv, 0x119, buf, 3);
+       if (ret)
+               goto err;
+
        /* 1/2 split I2C write */
        ret = rtl2830_wr_regs(priv, 0x11c, &bw_params1[i][0], 17);
        if (ret)
index e125166eed95216825b24b5bae8f664211c0cdc9..f4349a1fc03e3879f8085159f4f31178164148bd 100644 (file)
@@ -46,13 +46,6 @@ struct rtl2830_config {
         */
        bool spec_inv;
 
-       /*
-        * IFs for all used modes.
-        * Hz
-        * 4570000, 4571429, 36000000, 36125000, 36166667, 44000000
-        */
-       u32 if_dvbt;
-
        /*
         */
        u8 vtop;
index 31c9f440a4e2ac8175e92c735ca70444ab26c939..c3e2602af81ec396101863e87dd27af27d121fe1 100644 (file)
@@ -259,7 +259,6 @@ static struct rtl2830_config rtl28xxu_rtl2830_mt2060_config = {
        .xtal = 28800000,
        .ts_mode = 0,
        .spec_inv = 1,
-       .if_dvbt = 36150000,
        .vtop = 0x20,
        .krf = 0x04,
        .agc_targ_val = 0x2d,
@@ -271,7 +270,6 @@ static struct rtl2830_config rtl28xxu_rtl2830_qt1010_config = {
        .xtal = 28800000,
        .ts_mode = 0,
        .spec_inv = 1,
-       .if_dvbt = 36125000,
        .vtop = 0x20,
        .krf = 0x04,
        .agc_targ_val = 0x2d,
@@ -282,7 +280,6 @@ static struct rtl2830_config rtl28xxu_rtl2830_mxl5005s_config = {
        .xtal = 28800000,
        .ts_mode = 0,
        .spec_inv = 0,
-       .if_dvbt = 4570000,
        .vtop = 0x3f,
        .krf = 0x04,
        .agc_targ_val = 0x3e,