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V4L/DVB (9414): Initialize DiSEqC 

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Manu Abraham 2007-10-05 11:41:19 -03:00 committed by Mauro Carvalho Chehab
parent baa40e48d9
commit 6c1022cbc8
1 changed files with 37 additions and 1 deletions
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38
drivers/media/dvb/frontends/stb0899_drv.c
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@ -796,6 +796,42 @@ static int stb0899_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t
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 @@ static int stb0899_init(struct dvb_frontend *fe)
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;
}