Added missing tegra files.HEADmaster

1 files changed, 298 insertions, 0 deletions

diff --git a/drivers/media/dvb/ttusb-dec/ttusbdecfe.c b/drivers/media/dvb/ttusb-dec/ttusbdecfe.c
new file mode 100644
index 00000000000..21260aad1e5
--- /dev/null
+++ b/drivers/media/dvb/ttusb-dec/ttusbdecfe.c
@@ -0,0 +1,298 @@
+/*
+ * TTUSB DEC Frontend Driver
+ *
+ * Copyright (C) 2003-2004 Alex Woods <linux-dvb@giblets.org>
+ *
+ * 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 "dvb_frontend.h"
+#include "ttusbdecfe.h"
+
+
+#define LOF_HI                  10600000
+#define LOF_LO                  9750000
+
+struct ttusbdecfe_state {
+
+        /* configuration settings */
+        const struct ttusbdecfe_config* config;
+
+        struct dvb_frontend frontend;
+
+        u8 hi_band;
+        u8 voltage;
+};
+
+
+static int ttusbdecfe_dvbs_read_status(struct dvb_frontend *fe,
+        fe_status_t *status)
+{
+        *status = FE_HAS_SIGNAL | FE_HAS_VITERBI |
+                FE_HAS_SYNC | FE_HAS_CARRIER | FE_HAS_LOCK;
+        return 0;
+}
+
+
+static int ttusbdecfe_dvbt_read_status(struct dvb_frontend *fe,
+        fe_status_t *status)
+{
+        struct ttusbdecfe_state* state = fe->demodulator_priv;
+        u8 b[] = { 0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x00 };
+        u8 result[4];
+        int len, ret;
+
+        *status=0;
+
+        ret=state->config->send_command(fe, 0x73, sizeof(b), b, &len, result);
+        if(ret)
+                return ret;
+
+        if(len != 4) {
+                printk(KERN_ERR "%s: unexpected reply\n", __func__);
+                return -EIO;
+        }
+
+        switch(result[3]) {
+                case 1:  /* not tuned yet */
+                case 2:  /* no signal/no lock*/
+                        break;
+                case 3:  /* signal found and locked*/
+                        *status = FE_HAS_SIGNAL | FE_HAS_VITERBI |
+                        FE_HAS_SYNC | FE_HAS_CARRIER | FE_HAS_LOCK;
+                        break;
+                case 4:
+                        *status = FE_TIMEDOUT;
+                        break;
+                default:
+                        pr_info("%s: returned unknown value: %d\n",
+                                __func__, result[3]);
+                        return -EIO;
+        }
+
+        return 0;
+}
+
+static int ttusbdecfe_dvbt_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+{
+        struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
+        u8 b[] = { 0x00, 0x00, 0x00, 0x03,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x01,
+                   0x00, 0x00, 0x00, 0xff,
+                   0x00, 0x00, 0x00, 0xff };
+
+        __be32 freq = htonl(p->frequency / 1000);
+        memcpy(&b[4], &freq, sizeof (u32));
+        state->config->send_command(fe, 0x71, sizeof(b), b, NULL, NULL);
+
+        return 0;
+}
+
+static int ttusbdecfe_dvbt_get_tune_settings(struct dvb_frontend* fe,
+                                        struct dvb_frontend_tune_settings* fesettings)
+{
+                fesettings->min_delay_ms = 1500;
+                /* Drift compensation makes no sense for DVB-T */
+                fesettings->step_size = 0;
+                fesettings->max_drift = 0;
+                return 0;
+}
+
+static int ttusbdecfe_dvbs_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+{
+        struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
+
+        u8 b[] = { 0x00, 0x00, 0x00, 0x01,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x01,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x00 };
+        __be32 freq;
+        __be32 sym_rate;
+        __be32 band;
+        __be32 lnb_voltage;
+
+        freq = htonl(p->frequency +
+               (state->hi_band ? LOF_HI : LOF_LO));
+        memcpy(&b[4], &freq, sizeof(u32));
+        sym_rate = htonl(p->u.qam.symbol_rate);
+        memcpy(&b[12], &sym_rate, sizeof(u32));
+        band = htonl(state->hi_band ? LOF_HI : LOF_LO);
+        memcpy(&b[24], &band, sizeof(u32));
+        lnb_voltage = htonl(state->voltage);
+        memcpy(&b[28], &lnb_voltage, sizeof(u32));
+
+        state->config->send_command(fe, 0x71, sizeof(b), b, NULL, NULL);
+
+        return 0;
+}
+
+static int ttusbdecfe_dvbs_diseqc_send_master_cmd(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd)
+{
+        struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
+        u8 b[] = { 0x00, 0xff, 0x00, 0x00,
+                   0x00, 0x00, 0x00, 0x00,
+                   0x00, 0x00 };
+
+        memcpy(&b[4], cmd->msg, cmd->msg_len);
+
+        state->config->send_command(fe, 0x72,
+                                    sizeof(b) - (6 - cmd->msg_len), b,
+                                    NULL, NULL);
+
+        return 0;
+}
+
+
+static int ttusbdecfe_dvbs_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
+{
+        struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
+
+        state->hi_band = (SEC_TONE_ON == tone);
+
+        return 0;
+}
+
+
+static int ttusbdecfe_dvbs_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
+{
+        struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
+
+        switch (voltage) {
+        case SEC_VOLTAGE_13:
+                state->voltage = 13;
+                break;
+        case SEC_VOLTAGE_18:
+                state->voltage = 18;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static void ttusbdecfe_release(struct dvb_frontend* fe)
+{
+        struct ttusbdecfe_state* state = (struct ttusbdecfe_state*) fe->demodulator_priv;
+        kfree(state);
+}
+
+static struct dvb_frontend_ops ttusbdecfe_dvbt_ops;
+
+struct dvb_frontend* ttusbdecfe_dvbt_attach(const struct ttusbdecfe_config* config)
+{
+        struct ttusbdecfe_state* state = NULL;
+
+        /* allocate memory for the internal state */
+        state = kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL);
+        if (state == NULL)
+                return NULL;
+
+        /* setup the state */
+        state->config = config;
+
+        /* create dvb_frontend */
+        memcpy(&state->frontend.ops, &ttusbdecfe_dvbt_ops, sizeof(struct dvb_frontend_ops));
+        state->frontend.demodulator_priv = state;
+        return &state->frontend;
+}
+
+static struct dvb_frontend_ops ttusbdecfe_dvbs_ops;
+
+struct dvb_frontend* ttusbdecfe_dvbs_attach(const struct ttusbdecfe_config* config)
+{
+        struct ttusbdecfe_state* state = NULL;
+
+        /* allocate memory for the internal state */
+        state = kmalloc(sizeof(struct ttusbdecfe_state), GFP_KERNEL);
+        if (state == NULL)
+                return NULL;
+
+        /* setup the state */
+        state->config = config;
+        state->voltage = 0;
+        state->hi_band = 0;
+
+        /* create dvb_frontend */
+        memcpy(&state->frontend.ops, &ttusbdecfe_dvbs_ops, sizeof(struct dvb_frontend_ops));
+        state->frontend.demodulator_priv = state;
+        return &state->frontend;
+}
+
+static struct dvb_frontend_ops ttusbdecfe_dvbt_ops = {
+
+        .info = {
+                .name                   = "TechnoTrend/Hauppauge DEC2000-t Frontend",
+                .type                   = FE_OFDM,
+                .frequency_min          = 51000000,
+                .frequency_max          = 858000000,
+                .frequency_stepsize     = 62500,
+                .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_FEC_AUTO |
+                        FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
+                        FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
+                        FE_CAN_HIERARCHY_AUTO,
+        },
+
+        .release = ttusbdecfe_release,
+
+        .set_frontend = ttusbdecfe_dvbt_set_frontend,
+
+        .get_tune_settings = ttusbdecfe_dvbt_get_tune_settings,
+
+        .read_status = ttusbdecfe_dvbt_read_status,
+};
+
+static struct dvb_frontend_ops ttusbdecfe_dvbs_ops = {
+
+        .info = {
+                .name                   = "TechnoTrend/Hauppauge DEC3000-s Frontend",
+                .type                   = FE_QPSK,
+                .frequency_min          = 950000,
+                .frequency_max          = 2150000,
+                .frequency_stepsize     = 125,
+                .symbol_rate_min        = 1000000,  /* guessed */
+                .symbol_rate_max        = 45000000, /* guessed */
+                .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_FEC_AUTO |
+                        FE_CAN_QPSK
+        },
+
+        .release = ttusbdecfe_release,
+
+        .set_frontend = ttusbdecfe_dvbs_set_frontend,
+
+        .read_status = ttusbdecfe_dvbs_read_status,
+
+        .diseqc_send_master_cmd = ttusbdecfe_dvbs_diseqc_send_master_cmd,
+        .set_voltage = ttusbdecfe_dvbs_set_voltage,
+        .set_tone = ttusbdecfe_dvbs_set_tone,
+};
+
+MODULE_DESCRIPTION("TTUSB DEC DVB-T/S Demodulator driver");
+MODULE_AUTHOR("Alex Woods/Andrew de Quincey");
+MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(ttusbdecfe_dvbt_attach);
+EXPORT_SYMBOL(ttusbdecfe_dvbs_attach);