From cf4fab720c66b15a6cf3abeb5a38acb841efedf4 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 23 Dec 2009 11:28:46 -0300 Subject: [PATCH] V4L/DVB (13842): smsdvb: Convert it to use DVB API v5 (S2API) Based on a patch originally written by Michael Krufky for a preliminar S2API spec. The patch were ported to the S2API and had the ISDB-T API additions to honor the auto mode, while keep allowing manual tuning. Tested with both the original dvb-apps and the new dvb-apps-isdbt scan, that uses a different channel.conf and uses S2API with ISDB-T extensions. Thanks-to: Michael Krufky for his first version Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/siano/smsdvb.c | 86 +++++++++++++++++++++++++--------------- 1 file changed, 54 insertions(+), 32 deletions(-) diff --git a/drivers/media/dvb/siano/smsdvb.c b/drivers/media/dvb/siano/smsdvb.c index 6b85b48..3b786de 100644 --- a/drivers/media/dvb/siano/smsdvb.c +++ b/drivers/media/dvb/siano/smsdvb.c @@ -478,8 +478,9 @@ static int smsdvb_get_tune_settings(struct dvb_frontend *fe, } static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe, - struct dvb_frontend_parameters *fep) + struct dvb_frontend_parameters *p) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct smsdvb_client_t *client = container_of(fe, struct smsdvb_client_t, frontend); @@ -499,18 +500,26 @@ static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe, Msg.Msg.msgFlags = 0; Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ; Msg.Msg.msgLength = sizeof(Msg); - Msg.Data[0] = fep->frequency; + Msg.Data[0] = c->frequency; Msg.Data[2] = 12000000; - sms_debug("freq %d band %d", - fep->frequency, fep->u.ofdm.bandwidth); + sms_info("%s: freq %d band %d", __func__, c->frequency, + c->bandwidth_hz); - switch (fep->u.ofdm.bandwidth) { - case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break; - case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break; - case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break; - case BANDWIDTH_AUTO: return -EOPNOTSUPP; - default: return -EINVAL; + switch (c->bandwidth_hz / 1000) { + case 8: + Msg.Data[1] = BW_8_MHZ; + break; + case 7: + Msg.Data[1] = BW_7_MHZ; + break; + case 6: + Msg.Data[1] = BW_6_MHZ; + break; + case 0: + return -EOPNOTSUPP; + default: + return -EINVAL; } /* Disable LNA, if any. An error is returned if no LNA is present */ ret = sms_board_lna_control(client->coredev, 0); @@ -535,9 +544,9 @@ static int smsdvb_dvbt_set_frontend(struct dvb_frontend *fe, } static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe, - struct dvb_frontend_parameters *fep, - u32 SegmentNumber) + struct dvb_frontend_parameters *p) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct smsdvb_client_t *client = container_of(fe, struct smsdvb_client_t, frontend); @@ -551,29 +560,48 @@ static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe, Msg.Msg.msgFlags = 0; Msg.Msg.msgType = MSG_SMS_ISDBT_TUNE_REQ; Msg.Msg.msgLength = sizeof(Msg); - Msg.Data[0] = fep->frequency; - Msg.Data[2] = 12000000; - Msg.Data[3] = SegmentNumber; - sms_debug("freq %d band %d seg %d\n", - fep->frequency, fep->u.ofdm.bandwidth, SegmentNumber); + if (c->isdbt_sb_segment_idx == -1) + c->isdbt_sb_segment_idx = 0; - switch (fep->u.ofdm.bandwidth) { - case BANDWIDTH_8_MHZ: + switch (c->isdbt_sb_segment_count) { + case 3: Msg.Data[1] = BW_ISDBT_3SEG; break; - case BANDWIDTH_7_MHZ: - Msg.Data[1] = BW_ISDBT_3SEG; - break; - case BANDWIDTH_6_MHZ: + case 1: Msg.Data[1] = BW_ISDBT_1SEG; break; - case BANDWIDTH_AUTO: - return -EOPNOTSUPP; + case 0: /* AUTO */ + switch (c->bandwidth_hz / 1000) { + case 8: + case 7: + c->isdbt_sb_segment_count = 3; + Msg.Data[1] = BW_ISDBT_3SEG; + break; + case 6: + c->isdbt_sb_segment_count = 1; + Msg.Data[1] = BW_ISDBT_1SEG; + break; + default: /* Assumes 6 MHZ bw */ + c->isdbt_sb_segment_count = 1; + c->bandwidth_hz = 6000; + Msg.Data[1] = BW_ISDBT_1SEG; + break; + } + break; default: + sms_info("Segment count %d not supported", c->isdbt_sb_segment_count); return -EINVAL; } + Msg.Data[0] = c->frequency; + Msg.Data[2] = 12000000; + Msg.Data[3] = c->isdbt_sb_segment_idx; + + sms_info("%s: freq %d segwidth %d segindex %d\n", __func__, + c->frequency, c->isdbt_sb_segment_count, + c->isdbt_sb_segment_idx); + return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), &client->tune_done); } @@ -591,13 +619,7 @@ static int smsdvb_set_frontend(struct dvb_frontend *fe, return smsdvb_dvbt_set_frontend(fe, fep); case DEVICE_MODE_ISDBT: case DEVICE_MODE_ISDBT_BDA: - { - u32 segmentnum; - /* XXX: hack - use 4 lower bits in frequency for segment num */ - segmentnum = fep->frequency & 0x0000000f; - fep->frequency &= ~0x0000000f; - return smsdvb_isdbt_set_frontend(fe, fep, segmentnum); - } + return smsdvb_isdbt_set_frontend(fe, fep); default: return -EINVAL; } -- 2.7.4