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path: root/drivers/media/dvb/frontends/stv0299.c
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Diffstat (limited to 'drivers/media/dvb/frontends/stv0299.c')
-rw-r--r--drivers/media/dvb/frontends/stv0299.c731
1 files changed, 731 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c
new file mode 100644
index 000000000000..15b40541b62d
--- /dev/null
+++ b/drivers/media/dvb/frontends/stv0299.c
@@ -0,0 +1,731 @@
+/*
+ Driver for ST STV0299 demodulator
+
+ Copyright (C) 2001-2002 Convergence Integrated Media GmbH
+ <ralph@convergence.de>,
+ <holger@convergence.de>,
+ <js@convergence.de>
+
+
+ Philips SU1278/SH
+
+ Copyright (C) 2002 by Peter Schildmann <peter.schildmann@web.de>
+
+
+ LG TDQF-S001F
+
+ Copyright (C) 2002 Felix Domke <tmbinc@elitedvb.net>
+ & Andreas Oberritter <obi@linuxtv.org>
+
+
+ Support for Samsung TBMU24112IMB used on Technisat SkyStar2 rev. 2.6B
+
+ Copyright (C) 2003 Vadim Catana <skystar@moldova.cc>:
+
+ Support for Philips SU1278 on Technotrend hardware
+
+ Copyright (C) 2004 Andrew de Quincey <adq_dvb@lidskialf.net>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <asm/div64.h>
+
+#include "dvb_frontend.h"
+#include "stv0299.h"
+
+struct stv0299_state {
+ struct i2c_adapter* i2c;
+ struct dvb_frontend_ops ops;
+ const struct stv0299_config* config;
+ struct dvb_frontend frontend;
+
+ u8 initialised:1;
+ u32 tuner_frequency;
+ u32 symbol_rate;
+ fe_code_rate_t fec_inner;
+ int errmode;
+};
+
+#define STATUS_BER 0
+#define STATUS_UCBLOCKS 1
+
+static int debug;
+#define dprintk(args...) \
+ do { \
+ if (debug) printk(KERN_DEBUG "stv0299: " args); \
+ } while (0)
+
+
+static int stv0299_writeregI (struct stv0299_state* state, u8 reg, u8 data)
+{
+ int ret;
+ u8 buf [] = { reg, data };
+ struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
+
+ ret = i2c_transfer (state->i2c, &msg, 1);
+
+ if (ret != 1)
+ dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, "
+ "ret == %i)\n", __FUNCTION__, reg, data, ret);
+
+ return (ret != 1) ? -EREMOTEIO : 0;
+}
+
+int stv0299_writereg (struct dvb_frontend* fe, u8 reg, u8 data)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+
+ return stv0299_writeregI(state, reg, data);
+}
+
+static u8 stv0299_readreg (struct stv0299_state* state, u8 reg)
+{
+ int ret;
+ u8 b0 [] = { reg };
+ u8 b1 [] = { 0 };
+ struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
+ { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
+
+ ret = i2c_transfer (state->i2c, msg, 2);
+
+ if (ret != 2)
+ dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n",
+ __FUNCTION__, reg, ret);
+
+ return b1[0];
+}
+
+static int stv0299_readregs (struct stv0299_state* state, u8 reg1, u8 *b, u8 len)
+{
+ int ret;
+ struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = &reg1, .len = 1 },
+ { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b, .len = len } };
+
+ ret = i2c_transfer (state->i2c, msg, 2);
+
+ if (ret != 2)
+ dprintk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret);
+
+ return ret == 2 ? 0 : ret;
+}
+
+static int stv0299_set_FEC (struct stv0299_state* state, fe_code_rate_t fec)
+{
+ dprintk ("%s\n", __FUNCTION__);
+
+ switch (fec) {
+ case FEC_AUTO:
+ {
+ return stv0299_writeregI (state, 0x31, 0x1f);
+ }
+ case FEC_1_2:
+ {
+ return stv0299_writeregI (state, 0x31, 0x01);
+ }
+ case FEC_2_3:
+ {
+ return stv0299_writeregI (state, 0x31, 0x02);
+ }
+ case FEC_3_4:
+ {
+ return stv0299_writeregI (state, 0x31, 0x04);
+ }
+ case FEC_5_6:
+ {
+ return stv0299_writeregI (state, 0x31, 0x08);
+ }
+ case FEC_7_8:
+ {
+ return stv0299_writeregI (state, 0x31, 0x10);
+ }
+ default:
+ {
+ return -EINVAL;
+ }
+ }
+}
+
+static fe_code_rate_t stv0299_get_fec (struct stv0299_state* state)
+{
+ static fe_code_rate_t fec_tab [] = { FEC_2_3, FEC_3_4, FEC_5_6,
+ FEC_7_8, FEC_1_2 };
+ u8 index;
+
+ dprintk ("%s\n", __FUNCTION__);
+
+ index = stv0299_readreg (state, 0x1b);
+ index &= 0x7;
+
+ if (index > 4)
+ return FEC_AUTO;
+
+ return fec_tab [index];
+}
+
+static int stv0299_wait_diseqc_fifo (struct stv0299_state* state, int timeout)
+{
+ unsigned long start = jiffies;
+
+ dprintk ("%s\n", __FUNCTION__);
+
+ while (stv0299_readreg(state, 0x0a) & 1) {
+ if (jiffies - start > timeout) {
+ dprintk ("%s: timeout!!\n", __FUNCTION__);
+ return -ETIMEDOUT;
+ }
+ msleep(10);
+ };
+
+ return 0;
+}
+
+static int stv0299_wait_diseqc_idle (struct stv0299_state* state, int timeout)
+{
+ unsigned long start = jiffies;
+
+ dprintk ("%s\n", __FUNCTION__);
+
+ while ((stv0299_readreg(state, 0x0a) & 3) != 2 ) {
+ if (jiffies - start > timeout) {
+ dprintk ("%s: timeout!!\n", __FUNCTION__);
+ return -ETIMEDOUT;
+ }
+ msleep(10);
+ };
+
+ return 0;
+}
+
+static int stv0299_set_symbolrate (struct dvb_frontend* fe, u32 srate)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ u64 big = srate;
+ u32 ratio;
+
+ // check rate is within limits
+ if ((srate < 1000000) || (srate > 45000000)) return -EINVAL;
+
+ // calculate value to program
+ big = big << 20;
+ big += (state->config->mclk-1); // round correctly
+ do_div(big, state->config->mclk);
+ ratio = big << 4;
+
+ return state->config->set_symbol_rate(fe, srate, ratio);
+}
+
+static int stv0299_get_symbolrate (struct stv0299_state* state)
+{
+ u32 Mclk = state->config->mclk / 4096L;
+ u32 srate;
+ s32 offset;
+ u8 sfr[3];
+ s8 rtf;
+
+ dprintk ("%s\n", __FUNCTION__);
+
+ stv0299_readregs (state, 0x1f, sfr, 3);
+ stv0299_readregs (state, 0x1a, &rtf, 1);
+
+ srate = (sfr[0] << 8) | sfr[1];
+ srate *= Mclk;
+ srate /= 16;
+ srate += (sfr[2] >> 4) * Mclk / 256;
+ offset = (s32) rtf * (srate / 4096L);
+ offset /= 128;
+
+ dprintk ("%s : srate = %i\n", __FUNCTION__, srate);
+ dprintk ("%s : ofset = %i\n", __FUNCTION__, offset);
+
+ srate += offset;
+
+ srate += 1000;
+ srate /= 2000;
+ srate *= 2000;
+
+ return srate;
+}
+
+static int stv0299_send_diseqc_msg (struct dvb_frontend* fe,
+ struct dvb_diseqc_master_cmd *m)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ u8 val;
+ int i;
+
+ dprintk ("%s\n", __FUNCTION__);
+
+ if (stv0299_wait_diseqc_idle (state, 100) < 0)
+ return -ETIMEDOUT;
+
+ val = stv0299_readreg (state, 0x08);
+
+ if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x6)) /* DiSEqC mode */
+ return -EREMOTEIO;
+
+ for (i=0; i<m->msg_len; i++) {
+ if (stv0299_wait_diseqc_fifo (state, 100) < 0)
+ return -ETIMEDOUT;
+
+ if (stv0299_writeregI (state, 0x09, m->msg[i]))
+ return -EREMOTEIO;
+ }
+
+ if (stv0299_wait_diseqc_idle (state, 100) < 0)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+static int stv0299_send_diseqc_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ u8 val;
+
+ dprintk ("%s\n", __FUNCTION__);
+
+ if (stv0299_wait_diseqc_idle (state, 100) < 0)
+ return -ETIMEDOUT;
+
+ val = stv0299_readreg (state, 0x08);
+
+ if (stv0299_writeregI (state, 0x08, (val & ~0x7) | 0x2)) /* burst mode */
+ return -EREMOTEIO;
+
+ if (stv0299_writeregI (state, 0x09, burst == SEC_MINI_A ? 0x00 : 0xff))
+ return -EREMOTEIO;
+
+ if (stv0299_wait_diseqc_idle (state, 100) < 0)
+ return -ETIMEDOUT;
+
+ if (stv0299_writeregI (state, 0x08, val))
+ return -EREMOTEIO;
+
+ return 0;
+}
+
+static int stv0299_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ u8 val;
+
+ if (stv0299_wait_diseqc_idle (state, 100) < 0)
+ return -ETIMEDOUT;
+
+ val = stv0299_readreg (state, 0x08);
+
+ switch (tone) {
+ case SEC_TONE_ON:
+ return stv0299_writeregI (state, 0x08, val | 0x3);
+
+ case SEC_TONE_OFF:
+ return stv0299_writeregI (state, 0x08, (val & ~0x3) | 0x02);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ u8 reg0x08;
+ u8 reg0x0c;
+
+ dprintk("%s: %s\n", __FUNCTION__,
+ voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
+ voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
+
+ reg0x08 = stv0299_readreg (state, 0x08);
+ reg0x0c = stv0299_readreg (state, 0x0c);
+
+ /**
+ * H/V switching over OP0, OP1 and OP2 are LNB power enable bits
+ */
+ reg0x0c &= 0x0f;
+
+ if (voltage == SEC_VOLTAGE_OFF) {
+ stv0299_writeregI (state, 0x0c, 0x00); /* LNB power off! */
+ return stv0299_writeregI (state, 0x08, 0x00); /* LNB power off! */
+ }
+
+ stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6));
+
+ switch (voltage) {
+ case SEC_VOLTAGE_13:
+ if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0) reg0x0c |= 0x10;
+ else reg0x0c |= 0x40;
+
+ return stv0299_writeregI(state, 0x0c, reg0x0c);
+
+ case SEC_VOLTAGE_18:
+ return stv0299_writeregI(state, 0x0c, reg0x0c | 0x50);
+ default:
+ return -EINVAL;
+ };
+}
+
+static int stv0299_send_legacy_dish_cmd(struct dvb_frontend* fe, u32 cmd)
+{
+ u8 last = 1;
+ int i;
+
+ /* reset voltage at the end
+ if((0x50 & stv0299_readreg (i2c, 0x0c)) == 0x50)
+ cmd |= 0x80;
+ else
+ cmd &= 0x7F;
+ */
+
+ cmd = cmd << 1;
+ dprintk("%s switch command: 0x%04x\n",__FUNCTION__, cmd);
+
+ stv0299_set_voltage(fe,SEC_VOLTAGE_18);
+ msleep(32);
+
+ for (i=0; i<9; i++) {
+ if((cmd & 0x01) != last) {
+ stv0299_set_voltage(fe, last ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18);
+ last = (last) ? 0 : 1;
+ }
+
+ cmd = cmd >> 1;
+
+ if (i != 8)
+ msleep(8);
+ }
+
+ return 0;
+}
+
+static int stv0299_init (struct dvb_frontend* fe)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ int i;
+
+ dprintk("stv0299: init chip\n");
+
+ for (i=0; !(state->config->inittab[i] == 0xff && state->config->inittab[i+1] == 0xff); i+=2)
+ stv0299_writeregI(state, state->config->inittab[i], state->config->inittab[i+1]);
+
+ if (state->config->pll_init) {
+ stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */
+ state->config->pll_init(fe);
+ stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */
+ }
+
+ return 0;
+}
+
+static int stv0299_read_status(struct dvb_frontend* fe, fe_status_t* status)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+
+ u8 signal = 0xff - stv0299_readreg (state, 0x18);
+ u8 sync = stv0299_readreg (state, 0x1b);
+
+ dprintk ("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __FUNCTION__, sync);
+ *status = 0;
+
+ if (signal > 10)
+ *status |= FE_HAS_SIGNAL;
+
+ if (sync & 0x80)
+ *status |= FE_HAS_CARRIER;
+
+ if (sync & 0x10)
+ *status |= FE_HAS_VITERBI;
+
+ if (sync & 0x08)
+ *status |= FE_HAS_SYNC;
+
+ if ((sync & 0x98) == 0x98)
+ *status |= FE_HAS_LOCK;
+
+ return 0;
+}
+
+static int stv0299_read_ber(struct dvb_frontend* fe, u32* ber)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+
+ if (state->errmode != STATUS_BER) return 0;
+ *ber = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e);
+
+ return 0;
+}
+
+static int stv0299_read_signal_strength(struct dvb_frontend* fe, u16* strength)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+
+ s32 signal = 0xffff - ((stv0299_readreg (state, 0x18) << 8)
+ | stv0299_readreg (state, 0x19));
+
+ dprintk ("%s : FE_READ_SIGNAL_STRENGTH : AGC2I: 0x%02x%02x, signal=0x%04x\n", __FUNCTION__,
+ stv0299_readreg (state, 0x18),
+ stv0299_readreg (state, 0x19), (int) signal);
+
+ signal = signal * 5 / 4;
+ *strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal;
+
+ return 0;
+}
+
+static int stv0299_read_snr(struct dvb_frontend* fe, u16* snr)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+
+ s32 xsnr = 0xffff - ((stv0299_readreg (state, 0x24) << 8)
+ | stv0299_readreg (state, 0x25));
+ xsnr = 3 * (xsnr - 0xa100);
+ *snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr;
+
+ return 0;
+}
+
+static int stv0299_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+
+ if (state->errmode != STATUS_UCBLOCKS) *ucblocks = 0;
+ else *ucblocks = (stv0299_readreg (state, 0x1d) << 8) | stv0299_readreg (state, 0x1e);
+
+ return 0;
+}
+
+static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ int invval = 0;
+
+ dprintk ("%s : FE_SET_FRONTEND\n", __FUNCTION__);
+
+ // set the inversion
+ if (p->inversion == INVERSION_OFF) invval = 0;
+ else if (p->inversion == INVERSION_ON) invval = 1;
+ else {
+ printk("stv0299 does not support auto-inversion\n");
+ return -EINVAL;
+ }
+ if (state->config->invert) invval = (~invval) & 1;
+ stv0299_writeregI(state, 0x0c, (stv0299_readreg(state, 0x0c) & 0xfe) | invval);
+
+ if (state->config->enhanced_tuning) {
+ /* check if we should do a finetune */
+ int frequency_delta = p->frequency - state->tuner_frequency;
+ int minmax = p->u.qpsk.symbol_rate / 2000;
+ if (minmax < 5000) minmax = 5000;
+
+ if ((frequency_delta > -minmax) && (frequency_delta < minmax) && (frequency_delta != 0) &&
+ (state->fec_inner == p->u.qpsk.fec_inner) &&
+ (state->symbol_rate == p->u.qpsk.symbol_rate)) {
+ int Drot_freq = (frequency_delta << 16) / (state->config->mclk / 1000);
+
+ // zap the derotator registers first
+ stv0299_writeregI(state, 0x22, 0x00);
+ stv0299_writeregI(state, 0x23, 0x00);
+
+ // now set them as we want
+ stv0299_writeregI(state, 0x22, Drot_freq >> 8);
+ stv0299_writeregI(state, 0x23, Drot_freq);
+ } else {
+ /* A "normal" tune is requested */
+ stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */
+ state->config->pll_set(fe, p);
+ stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */
+
+ stv0299_writeregI(state, 0x32, 0x80);
+ stv0299_writeregI(state, 0x22, 0x00);
+ stv0299_writeregI(state, 0x23, 0x00);
+ stv0299_writeregI(state, 0x32, 0x19);
+ stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
+ stv0299_set_FEC (state, p->u.qpsk.fec_inner);
+ }
+ } else {
+ stv0299_writeregI(state, 0x05, 0xb5); /* enable i2c repeater on stv0299 */
+ state->config->pll_set(fe, p);
+ stv0299_writeregI(state, 0x05, 0x35); /* disable i2c repeater on stv0299 */
+
+ stv0299_set_FEC (state, p->u.qpsk.fec_inner);
+ stv0299_set_symbolrate (fe, p->u.qpsk.symbol_rate);
+ stv0299_writeregI(state, 0x22, 0x00);
+ stv0299_writeregI(state, 0x23, 0x00);
+ stv0299_readreg (state, 0x23);
+ stv0299_writeregI(state, 0x12, 0xb9);
+ }
+
+ state->tuner_frequency = p->frequency;
+ state->fec_inner = p->u.qpsk.fec_inner;
+ state->symbol_rate = p->u.qpsk.symbol_rate;
+
+ return 0;
+}
+
+static int stv0299_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters * p)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ s32 derot_freq;
+ int invval;
+
+ derot_freq = (s32)(s16) ((stv0299_readreg (state, 0x22) << 8)
+ | stv0299_readreg (state, 0x23));
+
+ derot_freq *= (state->config->mclk >> 16);
+ derot_freq += 500;
+ derot_freq /= 1000;
+
+ p->frequency += derot_freq;
+
+ invval = stv0299_readreg (state, 0x0c) & 1;
+ if (state->config->invert) invval = (~invval) & 1;
+ p->inversion = invval ? INVERSION_ON : INVERSION_OFF;
+
+ p->u.qpsk.fec_inner = stv0299_get_fec (state);
+ p->u.qpsk.symbol_rate = stv0299_get_symbolrate (state);
+
+ return 0;
+}
+
+static int stv0299_sleep(struct dvb_frontend* fe)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+
+ stv0299_writeregI(state, 0x02, 0x80);
+ state->initialised = 0;
+
+ return 0;
+}
+
+static int stv0299_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+
+ fesettings->min_delay_ms = state->config->min_delay_ms;
+ if (fesettings->parameters.u.qpsk.symbol_rate < 10000000) {
+ fesettings->step_size = fesettings->parameters.u.qpsk.symbol_rate / 32000;
+ fesettings->max_drift = 5000;
+ } else {
+ fesettings->step_size = fesettings->parameters.u.qpsk.symbol_rate / 16000;
+ fesettings->max_drift = fesettings->parameters.u.qpsk.symbol_rate / 2000;
+ }
+ return 0;
+}
+
+static void stv0299_release(struct dvb_frontend* fe)
+{
+ struct stv0299_state* state = (struct stv0299_state*) fe->demodulator_priv;
+ kfree(state);
+}
+
+static struct dvb_frontend_ops stv0299_ops;
+
+struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
+ struct i2c_adapter* i2c)
+{
+ struct stv0299_state* state = NULL;
+ int id;
+
+ /* allocate memory for the internal state */
+ state = (struct stv0299_state*) kmalloc(sizeof(struct stv0299_state), GFP_KERNEL);
+ if (state == NULL) goto error;
+
+ /* setup the state */
+ state->config = config;
+ state->i2c = i2c;
+ memcpy(&state->ops, &stv0299_ops, sizeof(struct dvb_frontend_ops));
+ state->initialised = 0;
+ state->tuner_frequency = 0;
+ state->symbol_rate = 0;
+ state->fec_inner = 0;
+ state->errmode = STATUS_BER;
+
+ /* check if the demod is there */
+ stv0299_writeregI(state, 0x02, 0x34); /* standby off */
+ msleep(200);
+ id = stv0299_readreg(state, 0x00);
+
+ /* register 0x00 contains 0xa1 for STV0299 and STV0299B */
+ /* register 0x00 might contain 0x80 when returning from standby */
+ if (id != 0xa1 && id != 0x80) goto error;
+
+ /* create dvb_frontend */
+ state->frontend.ops = &state->ops;
+ state->frontend.demodulator_priv = state;
+ return &state->frontend;
+
+error:
+ kfree(state);
+ return NULL;
+}
+
+static struct dvb_frontend_ops stv0299_ops = {
+
+ .info = {
+ .name = "ST STV0299 DVB-S",
+ .type = FE_QPSK,
+ .frequency_min = 950000,
+ .frequency_max = 2150000,
+ .frequency_stepsize = 125, /* kHz for QPSK frontends */
+ .frequency_tolerance = 0,
+ .symbol_rate_min = 1000000,
+ .symbol_rate_max = 45000000,
+ .symbol_rate_tolerance = 500, /* ppm */
+ .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
+ FE_CAN_QPSK |
+ FE_CAN_FEC_AUTO
+ },
+
+ .release = stv0299_release,
+
+ .init = stv0299_init,
+ .sleep = stv0299_sleep,
+
+ .set_frontend = stv0299_set_frontend,
+ .get_frontend = stv0299_get_frontend,
+ .get_tune_settings = stv0299_get_tune_settings,
+
+ .read_status = stv0299_read_status,
+ .read_ber = stv0299_read_ber,
+ .read_signal_strength = stv0299_read_signal_strength,
+ .read_snr = stv0299_read_snr,
+ .read_ucblocks = stv0299_read_ucblocks,
+
+ .diseqc_send_master_cmd = stv0299_send_diseqc_msg,
+ .diseqc_send_burst = stv0299_send_diseqc_burst,
+ .set_tone = stv0299_set_tone,
+ .set_voltage = stv0299_set_voltage,
+ .dishnetwork_send_legacy_command = stv0299_send_legacy_dish_cmd,
+};
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
+
+MODULE_DESCRIPTION("ST STV0299 DVB Demodulator driver");
+MODULE_AUTHOR("Ralph Metzler, Holger Waechtler, Peter Schildmann, Felix Domke, "
+ "Andreas Oberritter, Andrew de Quincey, Kenneth Aafløy");
+MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(stv0299_writereg);
+EXPORT_SYMBOL(stv0299_attach);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 08:17:50 +0000