diff options
| author | Manu Abraham <abraham.manu@gmail.com> | 2007-10-05 11:41:19 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-29 17:53:18 -0200 |
| commit | 6c1022cbc87bbd962b7c1e551c2af290be9e4277 (patch) | |
| tree | b81322fd98aff21a343603b6c68fe25b3763e783 /drivers/media | |
| parent | baa40e48d9069c6ec3ac4739f47e2e7560a022d3 (diff) | |
V4L/DVB (9414): Initialize DiSEqC
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/stb0899_drv.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c index fe298654b34..319c71ed321 100644 --- a/drivers/media/dvb/frontends/stb0899_drv.c +++ b/drivers/media/dvb/frontends/stb0899_drv.c @@ -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; } |