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author | Andrew de Quincey <adq_dvb@lidskialf.net> | 2006-05-12 20:31:51 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-06-25 02:00:21 -0300 |
commit | cd20ca9f194323c74ecccf15a3f5ff6c44effe69 (patch) | |
tree | 36e8ad6eab353a34dec9713f9bfbfb7c5060a844 /drivers/media/dvb/frontends/cx24123.c | |
parent | 9a10655ffa20b596fd162b1c96301f3bed752918 (diff) | |
download | linux-stable-cd20ca9f194323c74ecccf15a3f5ff6c44effe69.tar.gz linux-stable-cd20ca9f194323c74ecccf15a3f5ff6c44effe69.tar.bz2 linux-stable-cd20ca9f194323c74ecccf15a3f5ff6c44effe69.zip |
V4L/DVB (4012): Fix cx24123 diseqc
Rework diseqc support to be more in line with the other demod drivers.
Fix Nova-S-Plus/Nova-SE2 diseqc.
Cleanup API.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/frontends/cx24123.c')
-rw-r--r-- | drivers/media/dvb/frontends/cx24123.c | 184 |
1 files changed, 48 insertions, 136 deletions
diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c index aa3fd8e6cef7..c71422964064 100644 --- a/drivers/media/dvb/frontends/cx24123.c +++ b/drivers/media/dvb/frontends/cx24123.c @@ -48,7 +48,6 @@ struct cx24123_state u32 lastber; u16 snr; - u8 lnbreg; /* Some PLL specifics for tuning */ u32 VCAarg; @@ -249,29 +248,6 @@ static int cx24123_writereg(struct cx24123_state* state, int reg, int data) return 0; } -static int cx24123_writelnbreg(struct cx24123_state* state, int reg, int data) -{ - u8 buf[] = { reg, data }; - /* fixme: put the intersil addr int the config */ - struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = buf, .len = 2 }; - int err; - - if (debug>1) - printk("cx24123: %s: writeln addr=0x08, reg 0x%02x, value 0x%02x\n", - __FUNCTION__,reg, data); - - if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { - printk("%s: writelnbreg error (err == %i, reg == 0x%02x," - " data == 0x%02x)\n", __FUNCTION__, err, reg, data); - return -EREMOTEIO; - } - - /* cache the write, no way to read back */ - state->lnbreg = data; - - return 0; -} - static int cx24123_readreg(struct cx24123_state* state, u8 reg) { int ret; @@ -295,11 +271,6 @@ static int cx24123_readreg(struct cx24123_state* state, u8 reg) return b1[0]; } -static int cx24123_readlnbreg(struct cx24123_state* state, u8 reg) -{ - return state->lnbreg; -} - static int cx24123_set_inversion(struct cx24123_state* state, fe_spectral_inversion_t inversion) { u8 nom_reg = cx24123_readreg(state, 0x0e); @@ -687,10 +658,6 @@ static int cx24123_initfe(struct dvb_frontend* fe) for (i = 0; i < sizeof(cx24123_regdata) / sizeof(cx24123_regdata[0]); i++) cx24123_writereg(state, cx24123_regdata[i].reg, cx24123_regdata[i].data); - /* Configure the LNB for 14V */ - if (state->config->use_isl6421) - cx24123_writelnbreg(state, 0x0, 0x2a); - return 0; } @@ -699,50 +666,18 @@ static int cx24123_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage struct cx24123_state *state = fe->demodulator_priv; u8 val; - switch (state->config->use_isl6421) { - - case 1: + val = cx24123_readreg(state, 0x29) & ~0x40; - val = cx24123_readlnbreg(state, 0x0); - - switch (voltage) { - case SEC_VOLTAGE_13: - dprintk("%s: isl6421 voltage = 13V\n",__FUNCTION__); - return cx24123_writelnbreg(state, 0x0, val & 0x32); /* V 13v */ - case SEC_VOLTAGE_18: - dprintk("%s: isl6421 voltage = 18V\n",__FUNCTION__); - return cx24123_writelnbreg(state, 0x0, val | 0x04); /* H 18v */ - case SEC_VOLTAGE_OFF: - dprintk("%s: isl5421 voltage off\n",__FUNCTION__); - return cx24123_writelnbreg(state, 0x0, val & 0x30); - default: - return -EINVAL; - }; - - case 0: - - val = cx24123_readreg(state, 0x29); - - switch (voltage) { - case SEC_VOLTAGE_13: - dprintk("%s: setting voltage 13V\n", __FUNCTION__); - if (state->config->enable_lnb_voltage) - state->config->enable_lnb_voltage(fe, 1); - return cx24123_writereg(state, 0x29, val | 0x80); - case SEC_VOLTAGE_18: - dprintk("%s: setting voltage 18V\n", __FUNCTION__); - if (state->config->enable_lnb_voltage) - state->config->enable_lnb_voltage(fe, 1); - return cx24123_writereg(state, 0x29, val & 0x7f); - case SEC_VOLTAGE_OFF: - dprintk("%s: setting voltage off\n", __FUNCTION__); - if (state->config->enable_lnb_voltage) - state->config->enable_lnb_voltage(fe, 0); - return 0; - default: - return -EINVAL; - }; - } + switch (voltage) { + case SEC_VOLTAGE_13: + dprintk("%s: setting voltage 13V\n", __FUNCTION__); + return cx24123_writereg(state, 0x29, val | 0x80); + case SEC_VOLTAGE_18: + dprintk("%s: setting voltage 18V\n", __FUNCTION__); + return cx24123_writereg(state, 0x29, val & 0x7f); + default: + return -EINVAL; + }; return 0; } @@ -763,27 +698,20 @@ static void cx24123_wait_for_diseqc(struct cx24123_state *state) static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd) { struct cx24123_state *state = fe->demodulator_priv; - int i, val; + int i, val, tone; dprintk("%s:\n",__FUNCTION__); - /* check if continuous tone has been stopped */ - if (state->config->use_isl6421) - val = cx24123_readlnbreg(state, 0x00) & 0x10; - else - val = cx24123_readreg(state, 0x29) & 0x10; - - - if (val) { - printk("%s: ERROR: attempt to send diseqc command before tone is off\n", __FUNCTION__); - return -ENOTSUPP; - } + /* stop continuous tone if enabled */ + tone = cx24123_readreg(state, 0x29); + if (tone & 0x10) + cx24123_writereg(state, 0x29, tone & ~0x50); /* wait for diseqc queue ready */ cx24123_wait_for_diseqc(state); /* select tone mode */ - cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xf8); + cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb); for (i = 0; i < cmd->msg_len; i++) cx24123_writereg(state, 0x2C + i, cmd->msg[i]); @@ -794,36 +722,33 @@ static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma /* wait for diseqc message to finish sending */ cx24123_wait_for_diseqc(state); + /* restart continuous tone if enabled */ + if (tone & 0x10) { + cx24123_writereg(state, 0x29, tone & ~0x40); + } + return 0; } static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst) { struct cx24123_state *state = fe->demodulator_priv; - int val; + int val, tone; dprintk("%s:\n", __FUNCTION__); - /* check if continuous tone has been stoped */ - if (state->config->use_isl6421) - val = cx24123_readlnbreg(state, 0x00) & 0x10; - else - val = cx24123_readreg(state, 0x29) & 0x10; - - - if (val) { - printk("%s: ERROR: attempt to send diseqc command before tone is off\n", __FUNCTION__); - return -ENOTSUPP; - } + /* stop continuous tone if enabled */ + tone = cx24123_readreg(state, 0x29); + if (tone & 0x10) + cx24123_writereg(state, 0x29, tone & ~0x50); + /* wait for diseqc queue ready */ cx24123_wait_for_diseqc(state); /* select tone mode */ - val = cx24123_readreg(state, 0x2a) & 0xf8; - cx24123_writereg(state, 0x2a, val | 0x04); - + cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) | 0x4); + msleep(30); val = cx24123_readreg(state, 0x29); - if (burst == SEC_MINI_A) cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40 | 0x00)); else if (burst == SEC_MINI_B) @@ -832,7 +757,12 @@ static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t return -EINVAL; cx24123_wait_for_diseqc(state); + cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb); + /* restart continuous tone if enabled */ + if (tone & 0x10) { + cx24123_writereg(state, 0x29, tone & ~0x40); + } return 0; } @@ -973,38 +903,21 @@ static int cx24123_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) struct cx24123_state *state = fe->demodulator_priv; u8 val; - switch (state->config->use_isl6421) { - case 1: - - val = cx24123_readlnbreg(state, 0x0); - - switch (tone) { - case SEC_TONE_ON: - dprintk("%s: isl6421 sec tone on\n",__FUNCTION__); - return cx24123_writelnbreg(state, 0x0, val | 0x10); - case SEC_TONE_OFF: - dprintk("%s: isl6421 sec tone off\n",__FUNCTION__); - return cx24123_writelnbreg(state, 0x0, val & 0x2f); - default: - printk("%s: CASE reached default with tone=%d\n", __FUNCTION__, tone); - return -EINVAL; - } - - case 0: + /* wait for diseqc queue ready */ + cx24123_wait_for_diseqc(state); - val = cx24123_readreg(state, 0x29); + val = cx24123_readreg(state, 0x29) & ~0x40; - switch (tone) { - case SEC_TONE_ON: - dprintk("%s: setting tone on\n", __FUNCTION__); - return cx24123_writereg(state, 0x29, val | 0x10); - case SEC_TONE_OFF: - dprintk("%s: setting tone off\n",__FUNCTION__); - return cx24123_writereg(state, 0x29, val & 0xef); - default: - printk("%s: CASE reached default with tone=%d\n", __FUNCTION__, tone); - return -EINVAL; - } + switch (tone) { + case SEC_TONE_ON: + dprintk("%s: setting tone on\n", __FUNCTION__); + return cx24123_writereg(state, 0x29, val | 0x10); + case SEC_TONE_OFF: + dprintk("%s: setting tone off\n",__FUNCTION__); + return cx24123_writereg(state, 0x29, val & 0xef); + default: + printk("%s: CASE reached default with tone=%d\n", __FUNCTION__, tone); + return -EINVAL; } return 0; @@ -1040,7 +953,6 @@ struct dvb_frontend* cx24123_attach(const struct cx24123_config* config, memcpy(&state->ops, &cx24123_ops, sizeof(struct dvb_frontend_ops)); state->lastber = 0; state->snr = 0; - state->lnbreg = 0; state->VCAarg = 0; state->VGAarg = 0; state->bandselectarg = 0; |