V4L/DVB (9414): Initialize DiSEqC
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index fe29865..319c71e 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -796,6 +796,42 @@
return 0;
}
+static int stb0899_diseqc_init(struct stb0899_state *state)
+{
+ struct dvb_diseqc_master_cmd tx_data;
+ struct dvb_diseqc_slave_reply rx_data;
+
+ u8 f22_tx, f22_rx, reg;
+
+ u32 mclk, tx_freq = 22000, count = 0, i;
+
+ u32 trial = 0; /* try max = 2 (try 20khz and 17.5 khz) */
+ u32 ret_1 = 0; /* 20 Khz status */
+ u32 ret_2 = 0; /* 17.5 Khz status */
+
+ tx_data.msg[0] = 0xe2;
+ tx_data.msg_len = 3;
+ reg = stb0899_read_reg(state, STB0899_DISCNTRL2);
+ STB0899_SETFIELD_VAL(ONECHIP_TRX, reg, 0);
+ stb0899_write_reg(state, STB0899_DISCNTRL2, reg);
+
+ /* disable Tx spy */
+ reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
+ STB0899_SETFIELD_VAL(DISEQCRESET, reg, 1);
+ stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
+
+ reg = stb0899_read_reg(state, STB0899_DISCNTRL1);
+ STB0899_SETFIELD_VAL(DISEQCRESET, reg, 0);
+ stb0899_write_reg(state, STB0899_DISCNTRL1, reg);
+
+ mclk = stb0899_get_mclk(state);
+ f22_tx = mclk / (tx_freq * 32);
+ stb0899_write_reg(state, STB0899_DISF22, f22_tx); /* DiSEqC Tx freq */
+ state->rx_freq = 20000;
+ f22_rx = mclk / (state->rx_freq * 32);
+
+ return 0;
+}
static int stb0899_sleep(struct dvb_frontend *fe)
{
@@ -863,7 +899,7 @@
stb0899_write_reg(state, config->init_tst[i].address, config->init_tst[i].data);
stb0899_init_calc(state);
-// stb0899_diseqc_init(state);
+ stb0899_diseqc_init(state);
return 0;
}