|
@@ -0,0 +1,647 @@
|
|
|
+/*
|
|
|
+ * Abilis Systems Single DVB-T Receiver
|
|
|
+ * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com>
|
|
|
+ *
|
|
|
+ * 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, 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/version.h>
|
|
|
+
|
|
|
+#include "as102_drv.h"
|
|
|
+#include "as10x_types.h"
|
|
|
+#include "as10x_cmd.h"
|
|
|
+
|
|
|
+extern int elna_enable;
|
|
|
+
|
|
|
+#if defined(CONFIG_DVB_CORE) || defined(CONFIG_DVB_CORE_MODULE)
|
|
|
+static void as10x_fe_copy_tps_parameters(struct dvb_frontend_parameters *dst,
|
|
|
+ struct as10x_tps *src);
|
|
|
+
|
|
|
+static void as102_fe_copy_tune_parameters(struct as10x_tune_args *dst,
|
|
|
+ struct dvb_frontend_parameters *src);
|
|
|
+
|
|
|
+static void as102_fe_release(struct dvb_frontend *fe) {
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return;
|
|
|
+
|
|
|
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
|
|
|
+ if (mutex_lock_interruptible(&dev->bus_adap.lock))
|
|
|
+ return;
|
|
|
+
|
|
|
+ /* send abilis command: TURN_OFF */
|
|
|
+ as10x_cmd_turn_off(&dev->bus_adap);
|
|
|
+
|
|
|
+ mutex_unlock(&dev->bus_adap.lock);
|
|
|
+#endif
|
|
|
+
|
|
|
+ /* release frontend callback ops */
|
|
|
+ memset(&fe->ops, 0, sizeof(struct dvb_frontend_ops));
|
|
|
+
|
|
|
+ /* flush statistics */
|
|
|
+ memset(&dev->demod_stats, 0, sizeof(dev->demod_stats));
|
|
|
+ dev->signal_strength = 0;
|
|
|
+ dev->ber = -1;
|
|
|
+
|
|
|
+ /* reset tuner private data */
|
|
|
+/* fe->tuner_priv = NULL; */
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+}
|
|
|
+
|
|
|
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19))
|
|
|
+static int as102_fe_init(struct dvb_frontend *fe) {
|
|
|
+ int ret = 0;
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ if (mutex_lock_interruptible(&dev->bus_adap.lock))
|
|
|
+ return -EBUSY;
|
|
|
+
|
|
|
+ if (elna_enable)
|
|
|
+ ret = as10x_cmd_set_context(&dev->bus_adap, 1010, 0xC0);
|
|
|
+
|
|
|
+ /* send abilis command: TURN_ON */
|
|
|
+ ret = as10x_cmd_turn_on(&dev->bus_adap);
|
|
|
+
|
|
|
+ mutex_unlock(&dev->bus_adap.lock);
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return (ret < 0) ? -EINVAL : 0;
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+static int as102_fe_set_frontend(struct dvb_frontend *fe,
|
|
|
+ struct dvb_frontend_parameters *params) {
|
|
|
+ int ret = 0;
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+ struct as10x_tune_args tune_args = { 0 };
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ if (mutex_lock_interruptible(&dev->bus_adap.lock))
|
|
|
+ return -EBUSY;
|
|
|
+
|
|
|
+ as102_fe_copy_tune_parameters(&tune_args, params);
|
|
|
+
|
|
|
+ /* send abilis command: SET_TUNE */
|
|
|
+ ret = as10x_cmd_set_tune(&dev->bus_adap, &tune_args);
|
|
|
+ if(ret != 0) {
|
|
|
+ dprintk(debug, "as10x_cmd_set_tune failed. (err = %d)\n", ret);
|
|
|
+ }
|
|
|
+
|
|
|
+ mutex_unlock(&dev->bus_adap.lock);
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return (ret < 0) ? -EINVAL : 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int as102_fe_get_frontend(struct dvb_frontend* fe,
|
|
|
+ struct dvb_frontend_parameters *p) {
|
|
|
+ int ret = 0;
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+ struct as10x_tps tps = { 0 };
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ if (mutex_lock_interruptible(&dev->bus_adap.lock))
|
|
|
+ return -EBUSY;
|
|
|
+
|
|
|
+ /* send abilis command: GET_TPS */
|
|
|
+ ret = as10x_cmd_get_tps(&dev->bus_adap, &tps);
|
|
|
+
|
|
|
+ if (ret == 0)
|
|
|
+ as10x_fe_copy_tps_parameters(p, &tps);
|
|
|
+
|
|
|
+ mutex_unlock(&dev->bus_adap.lock);
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return (ret < 0) ? -EINVAL : 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int as102_fe_get_tune_settings(struct dvb_frontend *fe,
|
|
|
+ struct dvb_frontend_tune_settings *settings) {
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+#if 0
|
|
|
+ dprintk(debug, "step_size = %d\n", settings->step_size);
|
|
|
+ dprintk(debug, "max_drift = %d\n", settings->max_drift);
|
|
|
+ dprintk(debug, "min_delay_ms = %d -> %d\n", settings->min_delay_ms, 1000);
|
|
|
+#endif
|
|
|
+
|
|
|
+ settings->min_delay_ms = 1000;
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static int as102_fe_read_status(struct dvb_frontend *fe, fe_status_t *status) {
|
|
|
+ int ret = 0;
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+ struct as10x_tune_status tstate = { 0 };
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ if (mutex_lock_interruptible(&dev->bus_adap.lock))
|
|
|
+ return -EBUSY;
|
|
|
+
|
|
|
+ /* send abilis command: GET_TUNE_STATUS */
|
|
|
+ ret = as10x_cmd_get_tune_status(&dev->bus_adap, &tstate);
|
|
|
+ if (ret < 0) {
|
|
|
+ dprintk(debug, "as10x_cmd_get_tune_status failed (err = %d)\n", ret);
|
|
|
+ goto out;
|
|
|
+ }
|
|
|
+
|
|
|
+ dev->signal_strength = tstate.signal_strength;
|
|
|
+ dev->ber = tstate.BER;
|
|
|
+
|
|
|
+ switch(tstate.tune_state) {
|
|
|
+ case TUNE_STATUS_SIGNAL_DVB_OK:
|
|
|
+ *status = FE_HAS_SIGNAL |
|
|
|
+ FE_HAS_CARRIER;
|
|
|
+ break;
|
|
|
+ case TUNE_STATUS_STREAM_DETECTED:
|
|
|
+ *status = FE_HAS_SIGNAL |
|
|
|
+ FE_HAS_CARRIER |
|
|
|
+ FE_HAS_SYNC;
|
|
|
+ break;
|
|
|
+ case TUNE_STATUS_STREAM_TUNED:
|
|
|
+ *status = FE_HAS_SIGNAL |
|
|
|
+ FE_HAS_CARRIER |
|
|
|
+ FE_HAS_SYNC |
|
|
|
+ FE_HAS_LOCK;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ *status = TUNE_STATUS_NOT_TUNED;
|
|
|
+ }
|
|
|
+
|
|
|
+ dprintk(debug, "tuner status: 0x%02x , strength %d , per: %d , ber: %d\n",
|
|
|
+ tstate.tune_state, tstate.signal_strength,
|
|
|
+ tstate.PER, tstate.BER);
|
|
|
+
|
|
|
+ if (*status & FE_HAS_LOCK) {
|
|
|
+ if (as10x_cmd_get_demod_stats(&dev->bus_adap,
|
|
|
+ (struct as10x_demod_stats *) &dev->demod_stats) < 0) {
|
|
|
+ memset(&dev->demod_stats, 0, sizeof(dev->demod_stats));
|
|
|
+ dprintk(debug, "as10x_cmd_get_demod_stats failed (probably not tuned)\n");
|
|
|
+ } else {
|
|
|
+ dprintk(debug, "demod status: fc: 0x%08x , bad fc: 0x%08x , bytes corrected: 0x%08x , MER: 0x%04x\n",
|
|
|
+ dev->demod_stats.frame_count,
|
|
|
+ dev->demod_stats.bad_frame_count,
|
|
|
+ dev->demod_stats.bytes_fixed_by_rs,
|
|
|
+ dev->demod_stats.mer);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ memset(&dev->demod_stats, 0, sizeof(dev->demod_stats));
|
|
|
+ }
|
|
|
+
|
|
|
+out:
|
|
|
+ mutex_unlock(&dev->bus_adap.lock);
|
|
|
+ LEAVE();
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+/*
|
|
|
+ * Note:
|
|
|
+ * - in AS102 SNR=MER
|
|
|
+ * - the SNR will be returned in linear terms, i.e. not in dB
|
|
|
+ * - the accuracy equals ±2dB for a SNR range from 4dB to 30dB
|
|
|
+ * - the accuracy is >2dB for SNR values outside this range
|
|
|
+ */
|
|
|
+static int as102_fe_read_snr(struct dvb_frontend* fe, u16* snr) {
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ *snr = dev->demod_stats.mer;
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int as102_fe_read_ber(struct dvb_frontend* fe, u32* ber) {
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ *ber = dev->ber;
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int as102_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength) {
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ *strength = (((0xffff * 400) * dev->signal_strength + 41000) * 2);
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int as102_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) {
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ if (dev->demod_stats.has_started)
|
|
|
+ *ucblocks = dev->demod_stats.bad_frame_count;
|
|
|
+ else
|
|
|
+ *ucblocks = 0;
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 19))
|
|
|
+static int as102_fe_ts_bus_ctrl(struct dvb_frontend* fe, int acquire) {
|
|
|
+ struct as102_dev_t *dev;
|
|
|
+ int ret;
|
|
|
+
|
|
|
+ ENTER();
|
|
|
+
|
|
|
+ if ((dev = (struct as102_dev_t *) fe->tuner_priv) == NULL)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ if (mutex_lock_interruptible(&dev->bus_adap.lock))
|
|
|
+ return -EBUSY;
|
|
|
+
|
|
|
+ if (acquire) {
|
|
|
+ if (elna_enable)
|
|
|
+ as10x_cmd_set_context(&dev->bus_adap, 1010, 0xC0);
|
|
|
+
|
|
|
+ ret = as10x_cmd_turn_on(&dev->bus_adap);
|
|
|
+ } else {
|
|
|
+ ret = as10x_cmd_turn_off(&dev->bus_adap);
|
|
|
+ }
|
|
|
+
|
|
|
+ mutex_unlock(&dev->bus_adap.lock);
|
|
|
+
|
|
|
+ LEAVE();
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+static struct dvb_frontend_ops as102_fe_ops = {
|
|
|
+ .info = {
|
|
|
+ .name = DEVICE_FULL_NAME,
|
|
|
+ .type = FE_OFDM,
|
|
|
+ .frequency_min = 174000000,
|
|
|
+ .frequency_max = 862000000,
|
|
|
+ .frequency_stepsize = 166667,
|
|
|
+ .caps = FE_CAN_INVERSION_AUTO
|
|
|
+ | 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_FEC_AUTO
|
|
|
+ | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QPSK
|
|
|
+ | FE_CAN_QAM_AUTO
|
|
|
+ | FE_CAN_TRANSMISSION_MODE_AUTO
|
|
|
+ | FE_CAN_GUARD_INTERVAL_AUTO
|
|
|
+ | FE_CAN_HIERARCHY_AUTO
|
|
|
+ | FE_CAN_RECOVER
|
|
|
+ | FE_CAN_MUTE_TS
|
|
|
+ },
|
|
|
+
|
|
|
+ .set_frontend = as102_fe_set_frontend,
|
|
|
+ .get_frontend = as102_fe_get_frontend,
|
|
|
+ .get_tune_settings = as102_fe_get_tune_settings,
|
|
|
+
|
|
|
+
|
|
|
+ .read_status = as102_fe_read_status,
|
|
|
+ .read_snr = as102_fe_read_snr,
|
|
|
+ .read_ber = as102_fe_read_ber,
|
|
|
+ .read_signal_strength = as102_fe_read_signal_strength,
|
|
|
+ .read_ucblocks = as102_fe_read_ucblocks,
|
|
|
+
|
|
|
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 19))
|
|
|
+ .ts_bus_ctrl = as102_fe_ts_bus_ctrl,
|
|
|
+#else
|
|
|
+ .release = as102_fe_release,
|
|
|
+ .init = as102_fe_init,
|
|
|
+#endif
|
|
|
+};
|
|
|
+
|
|
|
+int as102_dvb_unregister_fe(struct dvb_frontend *fe) {
|
|
|
+
|
|
|
+ /* unregister frontend */
|
|
|
+ dvb_unregister_frontend(fe);
|
|
|
+
|
|
|
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 19))
|
|
|
+ /* detach frontend */
|
|
|
+ dvb_frontend_detach(fe);
|
|
|
+#endif
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int as102_dvb_register_fe(struct as102_dev_t *as102_dev, struct dvb_frontend *dvb_fe) {
|
|
|
+ int errno;
|
|
|
+ struct dvb_adapter *dvb_adap;
|
|
|
+
|
|
|
+ if(as102_dev == NULL)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
+ /* extract dvb_adapter */
|
|
|
+ dvb_adap = &as102_dev->dvb_adap;
|
|
|
+
|
|
|
+ /* init frontend callback ops */
|
|
|
+ memcpy(&dvb_fe->ops, &as102_fe_ops, sizeof(struct dvb_frontend_ops));
|
|
|
+
|
|
|
+ /* register dbvb frontend */
|
|
|
+ errno = dvb_register_frontend(dvb_adap, dvb_fe);
|
|
|
+ if(errno == 0)
|
|
|
+ dvb_fe->tuner_priv = as102_dev;
|
|
|
+
|
|
|
+ return errno;
|
|
|
+}
|
|
|
+
|
|
|
+static void as10x_fe_copy_tps_parameters(struct dvb_frontend_parameters *dst,
|
|
|
+ struct as10x_tps *as10x_tps) {
|
|
|
+
|
|
|
+ struct dvb_ofdm_parameters *fe_tps = &dst->u.ofdm;
|
|
|
+
|
|
|
+ /* extract consteallation */
|
|
|
+ switch(as10x_tps->constellation) {
|
|
|
+ case CONST_QPSK:
|
|
|
+ fe_tps->constellation = QPSK;
|
|
|
+ break;
|
|
|
+ case CONST_QAM16:
|
|
|
+ fe_tps->constellation = QAM_16;
|
|
|
+ break;
|
|
|
+ case CONST_QAM64:
|
|
|
+ fe_tps->constellation = QAM_64;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* extract hierarchy */
|
|
|
+ switch(as10x_tps->hierarchy) {
|
|
|
+ case HIER_NONE:
|
|
|
+ fe_tps->hierarchy_information = HIERARCHY_NONE;
|
|
|
+ break;
|
|
|
+ case HIER_ALPHA_1:
|
|
|
+ fe_tps->hierarchy_information = HIERARCHY_1;
|
|
|
+ break;
|
|
|
+ case HIER_ALPHA_2:
|
|
|
+ fe_tps->hierarchy_information = HIERARCHY_2;
|
|
|
+ break;
|
|
|
+ case HIER_ALPHA_4:
|
|
|
+ fe_tps->hierarchy_information = HIERARCHY_4;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* extract code rate HP */
|
|
|
+ switch(as10x_tps->code_rate_HP) {
|
|
|
+ case CODE_RATE_1_2:
|
|
|
+ fe_tps->code_rate_HP = FEC_1_2;
|
|
|
+ break;
|
|
|
+ case CODE_RATE_2_3:
|
|
|
+ fe_tps->code_rate_HP = FEC_2_3;
|
|
|
+ break;
|
|
|
+ case CODE_RATE_3_4:
|
|
|
+ fe_tps->code_rate_HP = FEC_3_4;
|
|
|
+ break;
|
|
|
+ case CODE_RATE_5_6:
|
|
|
+ fe_tps->code_rate_HP = FEC_5_6;
|
|
|
+ break;
|
|
|
+ case CODE_RATE_7_8:
|
|
|
+ fe_tps->code_rate_HP = FEC_7_8;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* extract code rate LP */
|
|
|
+ switch(as10x_tps->code_rate_LP) {
|
|
|
+ case CODE_RATE_1_2:
|
|
|
+ fe_tps->code_rate_LP = FEC_1_2;
|
|
|
+ break;
|
|
|
+ case CODE_RATE_2_3:
|
|
|
+ fe_tps->code_rate_LP = FEC_2_3;
|
|
|
+ break;
|
|
|
+ case CODE_RATE_3_4:
|
|
|
+ fe_tps->code_rate_LP = FEC_3_4;
|
|
|
+ break;
|
|
|
+ case CODE_RATE_5_6:
|
|
|
+ fe_tps->code_rate_LP = FEC_5_6;
|
|
|
+ break;
|
|
|
+ case CODE_RATE_7_8:
|
|
|
+ fe_tps->code_rate_LP = FEC_7_8;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* extract guard interval */
|
|
|
+ switch(as10x_tps->guard_interval) {
|
|
|
+ case GUARD_INT_1_32:
|
|
|
+ fe_tps->guard_interval = GUARD_INTERVAL_1_32;
|
|
|
+ break;
|
|
|
+ case GUARD_INT_1_16:
|
|
|
+ fe_tps->guard_interval = GUARD_INTERVAL_1_16;
|
|
|
+ break;
|
|
|
+ case GUARD_INT_1_8:
|
|
|
+ fe_tps->guard_interval = GUARD_INTERVAL_1_8;
|
|
|
+ break;
|
|
|
+ case GUARD_INT_1_4:
|
|
|
+ fe_tps->guard_interval = GUARD_INTERVAL_1_4;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ /* extract transmission mode */
|
|
|
+ switch(as10x_tps->transmission_mode) {
|
|
|
+ case TRANS_MODE_2K:
|
|
|
+ fe_tps->transmission_mode = TRANSMISSION_MODE_2K;
|
|
|
+ break;
|
|
|
+ case TRANS_MODE_8K:
|
|
|
+ fe_tps->transmission_mode = TRANSMISSION_MODE_8K;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static uint8_t as102_fe_get_code_rate(fe_code_rate_t arg) {
|
|
|
+ uint8_t c;
|
|
|
+
|
|
|
+ switch(arg) {
|
|
|
+ case FEC_1_2:
|
|
|
+ c = CODE_RATE_1_2;
|
|
|
+ break;
|
|
|
+ case FEC_2_3:
|
|
|
+ c = CODE_RATE_2_3;
|
|
|
+ break;
|
|
|
+ case FEC_3_4:
|
|
|
+ c = CODE_RATE_3_4;
|
|
|
+ break;
|
|
|
+ case FEC_5_6:
|
|
|
+ c = CODE_RATE_5_6;
|
|
|
+ break;
|
|
|
+ case FEC_7_8:
|
|
|
+ c = CODE_RATE_7_8;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ c = CODE_RATE_UNKNOWN;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ return c;
|
|
|
+}
|
|
|
+
|
|
|
+static void as102_fe_copy_tune_parameters(struct as10x_tune_args *tune_args,
|
|
|
+ struct dvb_frontend_parameters *params) {
|
|
|
+
|
|
|
+ /* set frequency */
|
|
|
+ tune_args->freq = params->frequency / 1000;
|
|
|
+
|
|
|
+ /* fix interleaving_mode */
|
|
|
+ tune_args->interleaving_mode = INTLV_NATIVE;
|
|
|
+
|
|
|
+ switch(params->u.ofdm.bandwidth) {
|
|
|
+ case BANDWIDTH_8_MHZ:
|
|
|
+ tune_args->bandwidth = BW_8_MHZ;
|
|
|
+ break;
|
|
|
+ case BANDWIDTH_7_MHZ:
|
|
|
+ tune_args->bandwidth = BW_7_MHZ;
|
|
|
+ break;
|
|
|
+ case BANDWIDTH_6_MHZ:
|
|
|
+ tune_args->bandwidth = BW_6_MHZ;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ tune_args->bandwidth = BW_8_MHZ;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch(params->u.ofdm.guard_interval) {
|
|
|
+ case GUARD_INTERVAL_1_32:
|
|
|
+ tune_args->guard_interval = GUARD_INT_1_32;
|
|
|
+ break;
|
|
|
+ case GUARD_INTERVAL_1_16:
|
|
|
+ tune_args->guard_interval = GUARD_INT_1_16;
|
|
|
+ break;
|
|
|
+ case GUARD_INTERVAL_1_8:
|
|
|
+ tune_args->guard_interval = GUARD_INT_1_8;
|
|
|
+ break;
|
|
|
+ case GUARD_INTERVAL_1_4:
|
|
|
+ tune_args->guard_interval = GUARD_INT_1_4;
|
|
|
+ break;
|
|
|
+ case GUARD_INTERVAL_AUTO:
|
|
|
+ default:
|
|
|
+ tune_args->guard_interval = GUARD_UNKNOWN;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch(params->u.ofdm.constellation) {
|
|
|
+ case QPSK:
|
|
|
+ tune_args->constellation = CONST_QPSK;
|
|
|
+ break;
|
|
|
+ case QAM_16:
|
|
|
+ tune_args->constellation = CONST_QAM16;
|
|
|
+ break;
|
|
|
+ case QAM_64:
|
|
|
+ tune_args->constellation = CONST_QAM64;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ tune_args->constellation = CONST_UNKNOWN;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch(params->u.ofdm.transmission_mode) {
|
|
|
+ case TRANSMISSION_MODE_2K:
|
|
|
+ tune_args->transmission_mode = TRANS_MODE_2K;
|
|
|
+ break;
|
|
|
+ case TRANSMISSION_MODE_8K:
|
|
|
+ tune_args->transmission_mode = TRANS_MODE_8K;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ tune_args->transmission_mode = TRANS_MODE_UNKNOWN;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch(params->u.ofdm.hierarchy_information) {
|
|
|
+ case HIERARCHY_NONE:
|
|
|
+ tune_args->hierarchy = HIER_NONE;
|
|
|
+ break;
|
|
|
+ case HIERARCHY_1:
|
|
|
+ tune_args->hierarchy = HIER_ALPHA_1;
|
|
|
+ break;
|
|
|
+ case HIERARCHY_2:
|
|
|
+ tune_args->hierarchy = HIER_ALPHA_2;
|
|
|
+ break;
|
|
|
+ case HIERARCHY_4:
|
|
|
+ tune_args->hierarchy = HIER_ALPHA_4;
|
|
|
+ break;
|
|
|
+ case HIERARCHY_AUTO:
|
|
|
+ tune_args->hierarchy = HIER_UNKNOWN;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ dprintk(debug, "tuner parameters: freq: %d bw: 0x%02x gi: 0x%02x\n",
|
|
|
+ params->frequency,
|
|
|
+ tune_args->bandwidth,
|
|
|
+ tune_args->guard_interval);
|
|
|
+
|
|
|
+ /*
|
|
|
+ * Detect a hierarchy selection
|
|
|
+ * if HP/LP are both set to FEC_NONE, HP will be selected.
|
|
|
+ */
|
|
|
+ if ((tune_args->hierarchy != HIER_NONE) &&
|
|
|
+ ((params->u.ofdm.code_rate_LP == FEC_NONE) ||
|
|
|
+ (params->u.ofdm.code_rate_HP == FEC_NONE))) {
|
|
|
+
|
|
|
+ if (params->u.ofdm.code_rate_LP == FEC_NONE) {
|
|
|
+ tune_args->hier_select = HIER_HIGH_PRIORITY;
|
|
|
+ tune_args->code_rate =
|
|
|
+ as102_fe_get_code_rate(params->u.ofdm.code_rate_HP);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (params->u.ofdm.code_rate_HP == FEC_NONE) {
|
|
|
+ tune_args->hier_select = HIER_LOW_PRIORITY;
|
|
|
+ tune_args->code_rate =
|
|
|
+ as102_fe_get_code_rate(params->u.ofdm.code_rate_LP);
|
|
|
+ }
|
|
|
+
|
|
|
+ dprintk(debug, "\thierarchy: 0x%02x "
|
|
|
+ "selected: %s code_rate_%s: 0x%02x\n",
|
|
|
+ tune_args->hierarchy,
|
|
|
+ tune_args->hier_select == HIER_HIGH_PRIORITY ? "HP" : "LP",
|
|
|
+ tune_args->hier_select == HIER_HIGH_PRIORITY ? "HP" : "LP",
|
|
|
+ tune_args->code_rate);
|
|
|
+ } else {
|
|
|
+ tune_args->code_rate = as102_fe_get_code_rate(params->u.ofdm.code_rate_HP);
|
|
|
+ }
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+/* EOF - vim: set textwidth=80 ts=8 sw=8 sts=8 noet: */
|