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V4L/DVB (9928): Convert GP8PSK module to use S2API
This patch converts the gp8psk module to use the S2API. It pretends to be DVB-S2 capable in order to allow the various supported modulations (8PSK, QPSK-Turbo, etc), and keep software compatibility with the S2API patches for Mythtv and VDR. Signed-off by: Alan Nisota <alannisota@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Alan Nisota
Mauro Carvalho Chehab
parent
bddcf63313
commit
02ebf23bc2
3 changed files with 133 additions and 28 deletions
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@ -25,6 +25,20 @@ struct gp8psk_fe_state {
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unsigned long status_check_interval;
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};
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static int gp8psk_tuned_to_DCII(struct dvb_frontend *fe)
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{
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struct gp8psk_fe_state *st = fe->demodulator_priv;
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u8 status;
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gp8psk_usb_in_op(st->d, GET_8PSK_CONFIG, 0, 0, &status, 1);
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return status & bmDCtuned;
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}
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static int gp8psk_set_tuner_mode(struct dvb_frontend *fe, int mode)
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{
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struct gp8psk_fe_state *state = fe->demodulator_priv;
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return gp8psk_usb_out_op(state->d, SET_8PSK_CONFIG, mode, 0, NULL, 0);
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}
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static int gp8psk_fe_update_status(struct gp8psk_fe_state *st)
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{
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u8 buf[6];
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@ -99,39 +113,114 @@ static int gp8psk_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_front
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return 0;
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}
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static int gp8psk_fe_set_property(struct dvb_frontend *fe,
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struct dtv_property *tvp)
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{
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deb_fe("%s(..)\n", __func__);
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return 0;
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}
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static int gp8psk_fe_get_property(struct dvb_frontend *fe,
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struct dtv_property *tvp)
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{
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deb_fe("%s(..)\n", __func__);
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return 0;
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}
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static int gp8psk_fe_set_frontend(struct dvb_frontend* fe,
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struct dvb_frontend_parameters *fep)
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{
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struct gp8psk_fe_state *state = fe->demodulator_priv;
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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u8 cmd[10];
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u32 freq = fep->frequency * 1000;
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int gp_product_id = le16_to_cpu(state->d->udev->descriptor.idProduct);
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deb_fe("%s()\n", __func__);
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cmd[4] = freq & 0xff;
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cmd[5] = (freq >> 8) & 0xff;
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cmd[6] = (freq >> 16) & 0xff;
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cmd[7] = (freq >> 24) & 0xff;
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switch(fe->ops.info.type) {
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case FE_QPSK:
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cmd[0] = fep->u.qpsk.symbol_rate & 0xff;
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cmd[1] = (fep->u.qpsk.symbol_rate >> 8) & 0xff;
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cmd[2] = (fep->u.qpsk.symbol_rate >> 16) & 0xff;
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cmd[3] = (fep->u.qpsk.symbol_rate >> 24) & 0xff;
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cmd[8] = ADV_MOD_DVB_QPSK;
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cmd[9] = 0x03; /*ADV_MOD_FEC_XXX*/
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switch (c->delivery_system) {
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case SYS_DVBS:
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/* Only QPSK is supported for DVB-S */
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if (c->modulation != QPSK) {
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deb_fe("%s: unsupported modulation selected (%d)\n",
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__func__, c->modulation);
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return -EOPNOTSUPP;
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}
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c->fec_inner = FEC_AUTO;
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break;
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case SYS_DVBS2:
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deb_fe("%s: DVB-S2 delivery system selected\n", __func__);
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break;
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default:
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// other modes are unsuported right now
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cmd[0] = 0;
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cmd[1] = 0;
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cmd[2] = 0;
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cmd[3] = 0;
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cmd[8] = 0;
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cmd[9] = 0;
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break;
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deb_fe("%s: unsupported delivery system selected (%d)\n",
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__func__, c->delivery_system);
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return -EOPNOTSUPP;
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}
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gp8psk_usb_out_op(state->d,TUNE_8PSK,0,0,cmd,10);
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cmd[0] = c->symbol_rate & 0xff;
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cmd[1] = (c->symbol_rate >> 8) & 0xff;
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cmd[2] = (c->symbol_rate >> 16) & 0xff;
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cmd[3] = (c->symbol_rate >> 24) & 0xff;
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switch (c->modulation) {
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case QPSK:
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if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
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if (gp8psk_tuned_to_DCII(fe))
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gp8psk_bcm4500_reload(state->d);
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switch (c->fec_inner) {
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case FEC_1_2:
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cmd[9] = 0; break;
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case FEC_2_3:
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cmd[9] = 1; break;
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case FEC_3_4:
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cmd[9] = 2; break;
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case FEC_5_6:
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cmd[9] = 3; break;
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case FEC_7_8:
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cmd[9] = 4; break;
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case FEC_AUTO:
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cmd[9] = 5; break;
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default:
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cmd[9] = 5; break;
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}
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cmd[8] = ADV_MOD_DVB_QPSK;
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break;
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case PSK_8: /* PSK_8 is for compatibility with DN */
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cmd[8] = ADV_MOD_TURBO_8PSK;
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switch (c->fec_inner) {
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case FEC_2_3:
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cmd[9] = 0; break;
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case FEC_3_4:
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cmd[9] = 1; break;
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case FEC_3_5:
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cmd[9] = 2; break;
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case FEC_5_6:
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cmd[9] = 3; break;
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case FEC_8_9:
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cmd[9] = 4; break;
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default:
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cmd[9] = 0; break;
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}
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break;
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case QAM_16: /* QAM_16 is for compatibility with DN */
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cmd[8] = ADV_MOD_TURBO_16QAM;
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cmd[9] = 0;
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break;
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default: /* Unknown modulation */
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deb_fe("%s: unsupported modulation selected (%d)\n",
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__func__, c->modulation);
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return -EOPNOTSUPP;
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}
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if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
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gp8psk_set_tuner_mode(fe, 0);
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gp8psk_usb_out_op(state->d, TUNE_8PSK, 0, 0, cmd, 10);
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state->lock = 0;
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state->next_status_check = jiffies;
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@ -140,13 +229,6 @@ static int gp8psk_fe_set_frontend(struct dvb_frontend* fe,
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return 0;
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}
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static int gp8psk_fe_get_frontend(struct dvb_frontend* fe,
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struct dvb_frontend_parameters *fep)
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{
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return 0;
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}
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static int gp8psk_fe_send_diseqc_msg (struct dvb_frontend* fe,
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struct dvb_diseqc_master_cmd *m)
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{
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@ -261,9 +343,13 @@ static struct dvb_frontend_ops gp8psk_fe_ops = {
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.symbol_rate_max = 45000000,
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.symbol_rate_tolerance = 500, /* ppm */
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.caps = FE_CAN_INVERSION_AUTO |
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FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
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FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
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FE_CAN_QPSK
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FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
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FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
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/*
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* FE_CAN_QAM_16 is for compatibility
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* (Myth incorrectly detects Turbo-QPSK as plain QAM-16)
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*/
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FE_CAN_QPSK | FE_CAN_QAM_16
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},
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.release = gp8psk_fe_release,
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@ -271,8 +357,10 @@ static struct dvb_frontend_ops gp8psk_fe_ops = {
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.init = NULL,
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.sleep = NULL,
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.set_property = gp8psk_fe_set_property,
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.get_property = gp8psk_fe_get_property,
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.set_frontend = gp8psk_fe_set_frontend,
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.get_frontend = gp8psk_fe_get_frontend,
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.get_tune_settings = gp8psk_fe_get_tune_settings,
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.read_status = gp8psk_fe_read_status,
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@ -174,6 +174,22 @@ static int gp8psk_power_ctrl(struct dvb_usb_device *d, int onoff)
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return 0;
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}
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int gp8psk_bcm4500_reload(struct dvb_usb_device *d)
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{
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u8 buf;
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int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct);
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/* Turn off 8psk power */
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if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1))
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return -EINVAL;
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/* Turn On 8psk power */
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if (gp8psk_usb_in_op(d, BOOT_8PSK, 1, 0, &buf, 1))
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return -EINVAL;
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/* load BCM4500 firmware */
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if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
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if (gp8psk_load_bcm4500fw(d))
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return EINVAL;
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return 0;
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}
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static int gp8psk_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
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{
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@ -92,5 +92,6 @@ extern struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d);
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extern int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen);
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extern int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
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u16 index, u8 *b, int blen);
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extern int gp8psk_bcm4500_reload(struct dvb_usb_device *d);
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#endif
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