[media] mn88473: add support for DVB-T2

Add support for DVB-T2.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 38 insertions, 7 deletions

diff --git a/drivers/media/dvb-frontends/mn88473.c b/drivers/media/dvb-frontends/mn88473.c
index afe59f3dfb19..68bfb6560eec 100644
--- a/drivers/media/dvb-frontends/mn88473.c
+++ b/drivers/media/dvb-frontends/mn88473.c
@@ -116,19 +116,38 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
 {
         struct mn88473_dev *dev = fe->demodulator_priv;
         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-        int ret;
+        int ret, i;
         u32 if_frequency = 0;
+        u8 params[10], delivery_system;
 
         dev_dbg(&dev->i2c->dev,
-                        "%s: delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n",
+                        "%s: delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%d stream_id=%d\n",
                         __func__, c->delivery_system, c->modulation,
-                        c->frequency, c->symbol_rate, c->inversion);
+                        c->frequency, c->bandwidth_hz, c->symbol_rate,
+                        c->inversion, c->stream_id);
 
         if (!dev->warm) {
                 ret = -EAGAIN;
                 goto err;
         }
 
+        switch (c->delivery_system) {
+        case SYS_DVBT2:
+                delivery_system = 0x03;
+                if (c->bandwidth_hz <= 7000000)
+                        memcpy(params, "\x2e\xcb\xfb\xc8\x00\x00\x17\x0a\x17\x0a", 10);
+                else if (c->bandwidth_hz <= 8000000)
+                        memcpy(params, "\x2e\xcb\xfb\xaf\x00\x00\x11\xec\x11\xec", 10);
+                break;
+        case SYS_DVBC_ANNEX_A:
+                delivery_system = 0x04;
+                memcpy(params, "\x33\xea\xb3\xaf\x00\x00\x11\xec\x11\xec", 10);
+                break;
+        default:
+                ret = -EINVAL;
+                goto err;
+        }
+
         /* program tuner */
         if (fe->ops.tuner_ops.set_params) {
                 ret = fe->ops.tuner_ops.set_params(fe);
@@ -145,7 +164,11 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
                                 __func__, if_frequency);
         }
 
-        if (if_frequency != 5070000) {
+        switch (if_frequency) {
+        case 4570000:
+        case 5070000:
+                break;
+        default:
                 dev_err(&dev->i2c->dev, "%s: IF frequency %d not supported\n",
                                 KBUILD_MODNAME, if_frequency);
                 ret = -EINVAL;
@@ -159,9 +182,15 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
         ret = mn88473_wregs(dev, 0x1c00, "\x18", 1);
         ret = mn88473_wregs(dev, 0x1c01, "\x01", 1);
         ret = mn88473_wregs(dev, 0x1c02, "\x21", 1);
-        ret = mn88473_wregs(dev, 0x1c03, "\x04", 1);
+        ret = mn88473_wreg(dev, 0x1c03, delivery_system);
         ret = mn88473_wregs(dev, 0x1c0b, "\x00", 1);
-        ret = mn88473_wregs(dev, 0x1c10, "\x33\xea\xb3\xaf\x00\x00\x11\xec\x11\xec", 10);
+
+        for (i = 0; i < 10; i++) {
+                ret = mn88473_wreg(dev, 0x1c10 + i, params[i]);
+                if (ret)
+                        goto err;
+        }
+
         ret = mn88473_wregs(dev, 0x1c2d, "\x3b", 1);
         ret = mn88473_wregs(dev, 0x1c2e, "\x00", 1);
         ret = mn88473_wregs(dev, 0x1c56, "\x0d", 1);
@@ -193,6 +222,8 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
         ret = mn88473_wregs(dev, 0x1c08, "\x1d", 1);
         ret = mn88473_wregs(dev, 0x18b2, "\x37", 1);
         ret = mn88473_wregs(dev, 0x18d7, "\x04", 1);
+        ret = mn88473_wregs(dev, 0x1c32, "\x80", 1);
+        ret = mn88473_wregs(dev, 0x1c36, "\x00", 1);
         ret = mn88473_wregs(dev, 0x1cf8, "\x9f", 1);
         if (ret)
                 goto err;
@@ -351,7 +382,7 @@ err:
 EXPORT_SYMBOL(mn88473_attach);
 
 static struct dvb_frontend_ops mn88473_ops = {
-        .delsys = {SYS_DVBC_ANNEX_AC},
+        .delsys = {SYS_DVBT2, SYS_DVBC_ANNEX_AC},
         .info = {
                 .name = "Panasonic MN88473",
                 .caps = FE_CAN_FEC_1_2                  |