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https://github.com/torvalds/linux.git
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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>
This commit is contained in:
Andrew de Quincey
Mauro Carvalho Chehab
parent
9a10655ffa
commit
cd20ca9f19
@ -48,7 +48,6 @@ struct cx24123_state
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u32 lastber;
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u16 snr;
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u8 lnbreg;
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/* Some PLL specifics for tuning */
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u32 VCAarg;
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@ -249,29 +248,6 @@ static int cx24123_writereg(struct cx24123_state* state, int reg, int data)
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return 0;
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}
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static int cx24123_writelnbreg(struct cx24123_state* state, int reg, int data)
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{
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u8 buf[] = { reg, data };
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/* fixme: put the intersil addr int the config */
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struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = buf, .len = 2 };
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int err;
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if (debug>1)
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printk("cx24123: %s: writeln addr=0x08, reg 0x%02x, value 0x%02x\n",
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__FUNCTION__,reg, data);
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if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
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printk("%s: writelnbreg error (err == %i, reg == 0x%02x,"
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" data == 0x%02x)\n", __FUNCTION__, err, reg, data);
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return -EREMOTEIO;
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}
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/* cache the write, no way to read back */
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state->lnbreg = data;
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return 0;
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}
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static int cx24123_readreg(struct cx24123_state* state, u8 reg)
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{
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int ret;
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@ -295,11 +271,6 @@ static int cx24123_readreg(struct cx24123_state* state, u8 reg)
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return b1[0];
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}
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static int cx24123_readlnbreg(struct cx24123_state* state, u8 reg)
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{
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return state->lnbreg;
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}
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static int cx24123_set_inversion(struct cx24123_state* state, fe_spectral_inversion_t inversion)
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{
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u8 nom_reg = cx24123_readreg(state, 0x0e);
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@ -687,10 +658,6 @@ static int cx24123_initfe(struct dvb_frontend* fe)
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for (i = 0; i < sizeof(cx24123_regdata) / sizeof(cx24123_regdata[0]); i++)
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cx24123_writereg(state, cx24123_regdata[i].reg, cx24123_regdata[i].data);
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/* Configure the LNB for 14V */
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if (state->config->use_isl6421)
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cx24123_writelnbreg(state, 0x0, 0x2a);
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return 0;
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}
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@ -699,50 +666,18 @@ static int cx24123_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage
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struct cx24123_state *state = fe->demodulator_priv;
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u8 val;
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switch (state->config->use_isl6421) {
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val = cx24123_readreg(state, 0x29) & ~0x40;
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case 1:
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val = cx24123_readlnbreg(state, 0x0);
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switch (voltage) {
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case SEC_VOLTAGE_13:
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dprintk("%s: isl6421 voltage = 13V\n",__FUNCTION__);
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return cx24123_writelnbreg(state, 0x0, val & 0x32); /* V 13v */
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case SEC_VOLTAGE_18:
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dprintk("%s: isl6421 voltage = 18V\n",__FUNCTION__);
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return cx24123_writelnbreg(state, 0x0, val | 0x04); /* H 18v */
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case SEC_VOLTAGE_OFF:
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dprintk("%s: isl5421 voltage off\n",__FUNCTION__);
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return cx24123_writelnbreg(state, 0x0, val & 0x30);
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default:
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return -EINVAL;
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};
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case 0:
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val = cx24123_readreg(state, 0x29);
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switch (voltage) {
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case SEC_VOLTAGE_13:
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dprintk("%s: setting voltage 13V\n", __FUNCTION__);
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if (state->config->enable_lnb_voltage)
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state->config->enable_lnb_voltage(fe, 1);
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return cx24123_writereg(state, 0x29, val | 0x80);
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case SEC_VOLTAGE_18:
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dprintk("%s: setting voltage 18V\n", __FUNCTION__);
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if (state->config->enable_lnb_voltage)
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state->config->enable_lnb_voltage(fe, 1);
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return cx24123_writereg(state, 0x29, val & 0x7f);
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case SEC_VOLTAGE_OFF:
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dprintk("%s: setting voltage off\n", __FUNCTION__);
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if (state->config->enable_lnb_voltage)
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state->config->enable_lnb_voltage(fe, 0);
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return 0;
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default:
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return -EINVAL;
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};
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}
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switch (voltage) {
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case SEC_VOLTAGE_13:
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dprintk("%s: setting voltage 13V\n", __FUNCTION__);
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return cx24123_writereg(state, 0x29, val | 0x80);
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case SEC_VOLTAGE_18:
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dprintk("%s: setting voltage 18V\n", __FUNCTION__);
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return cx24123_writereg(state, 0x29, val & 0x7f);
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default:
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return -EINVAL;
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};
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return 0;
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}
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@ -763,27 +698,20 @@ static void cx24123_wait_for_diseqc(struct cx24123_state *state)
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static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd)
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{
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struct cx24123_state *state = fe->demodulator_priv;
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int i, val;
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int i, val, tone;
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dprintk("%s:\n",__FUNCTION__);
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/* check if continuous tone has been stopped */
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if (state->config->use_isl6421)
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val = cx24123_readlnbreg(state, 0x00) & 0x10;
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else
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val = cx24123_readreg(state, 0x29) & 0x10;
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if (val) {
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printk("%s: ERROR: attempt to send diseqc command before tone is off\n", __FUNCTION__);
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return -ENOTSUPP;
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}
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/* stop continuous tone if enabled */
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tone = cx24123_readreg(state, 0x29);
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if (tone & 0x10)
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cx24123_writereg(state, 0x29, tone & ~0x50);
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/* wait for diseqc queue ready */
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cx24123_wait_for_diseqc(state);
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/* select tone mode */
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cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xf8);
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cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb);
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for (i = 0; i < cmd->msg_len; i++)
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cx24123_writereg(state, 0x2C + i, cmd->msg[i]);
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@ -794,36 +722,33 @@ static int cx24123_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_ma
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/* wait for diseqc message to finish sending */
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cx24123_wait_for_diseqc(state);
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/* restart continuous tone if enabled */
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if (tone & 0x10) {
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cx24123_writereg(state, 0x29, tone & ~0x40);
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}
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return 0;
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}
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static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
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{
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struct cx24123_state *state = fe->demodulator_priv;
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int val;
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int val, tone;
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dprintk("%s:\n", __FUNCTION__);
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/* check if continuous tone has been stoped */
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if (state->config->use_isl6421)
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val = cx24123_readlnbreg(state, 0x00) & 0x10;
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else
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val = cx24123_readreg(state, 0x29) & 0x10;
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if (val) {
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printk("%s: ERROR: attempt to send diseqc command before tone is off\n", __FUNCTION__);
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return -ENOTSUPP;
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}
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/* stop continuous tone if enabled */
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tone = cx24123_readreg(state, 0x29);
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if (tone & 0x10)
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cx24123_writereg(state, 0x29, tone & ~0x50);
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/* wait for diseqc queue ready */
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cx24123_wait_for_diseqc(state);
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/* select tone mode */
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val = cx24123_readreg(state, 0x2a) & 0xf8;
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cx24123_writereg(state, 0x2a, val | 0x04);
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cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) | 0x4);
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msleep(30);
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val = cx24123_readreg(state, 0x29);
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if (burst == SEC_MINI_A)
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cx24123_writereg(state, 0x29, ((val & 0x90) | 0x40 | 0x00));
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else if (burst == SEC_MINI_B)
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@ -832,7 +757,12 @@ static int cx24123_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t
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return -EINVAL;
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cx24123_wait_for_diseqc(state);
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cx24123_writereg(state, 0x2a, cx24123_readreg(state, 0x2a) & 0xfb);
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/* restart continuous tone if enabled */
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if (tone & 0x10) {
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cx24123_writereg(state, 0x29, tone & ~0x40);
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}
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return 0;
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}
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@ -973,38 +903,21 @@ static int cx24123_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
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struct cx24123_state *state = fe->demodulator_priv;
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u8 val;
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switch (state->config->use_isl6421) {
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case 1:
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/* wait for diseqc queue ready */
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cx24123_wait_for_diseqc(state);
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val = cx24123_readlnbreg(state, 0x0);
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val = cx24123_readreg(state, 0x29) & ~0x40;
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switch (tone) {
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case SEC_TONE_ON:
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dprintk("%s: isl6421 sec tone on\n",__FUNCTION__);
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return cx24123_writelnbreg(state, 0x0, val | 0x10);
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case SEC_TONE_OFF:
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dprintk("%s: isl6421 sec tone off\n",__FUNCTION__);
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return cx24123_writelnbreg(state, 0x0, val & 0x2f);
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default:
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printk("%s: CASE reached default with tone=%d\n", __FUNCTION__, tone);
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return -EINVAL;
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}
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case 0:
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val = cx24123_readreg(state, 0x29);
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switch (tone) {
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case SEC_TONE_ON:
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dprintk("%s: setting tone on\n", __FUNCTION__);
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return cx24123_writereg(state, 0x29, val | 0x10);
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case SEC_TONE_OFF:
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dprintk("%s: setting tone off\n",__FUNCTION__);
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return cx24123_writereg(state, 0x29, val & 0xef);
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default:
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printk("%s: CASE reached default with tone=%d\n", __FUNCTION__, tone);
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return -EINVAL;
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}
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switch (tone) {
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case SEC_TONE_ON:
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dprintk("%s: setting tone on\n", __FUNCTION__);
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return cx24123_writereg(state, 0x29, val | 0x10);
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case SEC_TONE_OFF:
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dprintk("%s: setting tone off\n",__FUNCTION__);
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return cx24123_writereg(state, 0x29, val & 0xef);
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default:
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printk("%s: CASE reached default with tone=%d\n", __FUNCTION__, tone);
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return -EINVAL;
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}
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return 0;
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@ -1040,7 +953,6 @@ struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
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memcpy(&state->ops, &cx24123_ops, sizeof(struct dvb_frontend_ops));
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state->lastber = 0;
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state->snr = 0;
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state->lnbreg = 0;
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state->VCAarg = 0;
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state->VGAarg = 0;
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state->bandselectarg = 0;
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@ -28,17 +28,8 @@ struct cx24123_config
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/* the demodulator's i2c address */
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u8 demod_address;
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/*
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cards like Hauppauge Nova-S Plus/Nova-SE2 use an Intersil ISL6421 chip
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for LNB control, while KWorld DVB-S 100 use the LNBDC and LNBTone bits
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from register 0x29 of the CX24123 demodulator
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*/
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int use_isl6421;
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/* Need to set device param for start_dma */
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int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
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void (*enable_lnb_voltage)(struct dvb_frontend* fe, int on);
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};
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extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
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@ -61,6 +61,7 @@ config VIDEO_CX88_DVB_ALL_FRONTENDS
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select DVB_LGDT330X
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select DVB_NXT200X
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select DVB_CX24123
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select DVB_ISL6421
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---help---
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This builds cx88-dvb with all currently supported frontend
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demodulators. If you wish to tweak your configuration, and
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@ -139,6 +140,7 @@ config VIDEO_CX88_DVB_CX24123
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default y
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depends on VIDEO_CX88_DVB && !VIDEO_CX88_DVB_ALL_FRONTENDS
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select DVB_CX24123
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select DVB_ISL6421
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---help---
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This adds DVB-S support for cards based on the
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Connexant 2388x chip and the CX24123 demodulator.
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@ -59,6 +59,7 @@
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#ifdef HAVE_CX24123
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# include "cx24123.h"
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#endif
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#include "isl6421.h"
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MODULE_DESCRIPTION("driver for cx2388x based DVB cards");
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MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>");
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@ -479,28 +480,30 @@ static int cx24123_set_ts_param(struct dvb_frontend* fe,
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return 0;
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}
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static void cx24123_enable_lnb_voltage(struct dvb_frontend* fe, int on)
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static int kworld_dvbs_100_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
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{
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struct cx8802_dev *dev= fe->dvb->priv;
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struct cx88_core *core = dev->core;
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if (on)
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cx_write(MO_GP0_IO, 0x000006f9);
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else
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if (voltage == SEC_VOLTAGE_OFF) {
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cx_write(MO_GP0_IO, 0x000006fB);
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} else {
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cx_write(MO_GP0_IO, 0x000006f9);
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}
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if (core->prev_set_voltage)
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return core->prev_set_voltage(fe, voltage);
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return 0;
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}
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static struct cx24123_config hauppauge_novas_config = {
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.demod_address = 0x55,
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.use_isl6421 = 1,
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.set_ts_params = cx24123_set_ts_param,
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};
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static struct cx24123_config kworld_dvbs_100_config = {
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.demod_address = 0x15,
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.use_isl6421 = 0,
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.set_ts_params = cx24123_set_ts_param,
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.enable_lnb_voltage = cx24123_enable_lnb_voltage,
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};
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#endif
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@ -710,10 +713,17 @@ static int dvb_register(struct cx8802_dev *dev)
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case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
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dev->dvb.frontend = cx24123_attach(&hauppauge_novas_config,
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&dev->core->i2c_adap);
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if (dev->dvb.frontend) {
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isl6421_attach(dev->dvb.frontend, &dev->core->i2c_adap, 0x08, 0x00, 0x00);
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}
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break;
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case CX88_BOARD_KWORLD_DVBS_100:
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dev->dvb.frontend = cx24123_attach(&kworld_dvbs_100_config,
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&dev->core->i2c_adap);
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if (dev->dvb.frontend) {
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dev->core->prev_set_voltage = dev->dvb.frontend->ops->set_voltage;
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dev->dvb.frontend->ops->set_voltage = kworld_dvbs_100_set_voltage;
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}
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break;
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#endif
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default:
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@ -298,6 +298,7 @@ struct cx88_core {
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/* config info -- dvb */
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struct dvb_pll_desc *pll_desc;
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unsigned int pll_addr;
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int (*prev_set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
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/* state info */
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struct task_struct *kthread;
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