Commit ca689488 authored by Michael Krufky's avatar Michael Krufky Committed by Mauro Carvalho Chehab
Browse files

[media] linux-dvb v5 API support for ATSC-MH 



Add the following properties for controlling an ATSC-MH frontend:

DTV_ATSCMH_FIC_VER
DTV_ATSCMH_PARADE_ID
DTV_ATSCMH_NOG
DTV_ATSCMH_TNOG
DTV_ATSCMH_SGN
DTV_ATSCMH_PRC
DTV_ATSCMH_RS_FRAME_MODE
DTV_ATSCMH_RS_FRAME_ENSEMBLE
DTV_ATSCMH_RS_CODE_MODE_PRI
DTV_ATSCMH_RS_CODE_MODE_SEC
DTV_ATSCMH_SCCC_BLOCK_MODE
DTV_ATSCMH_SCCC_CODE_MODE_A
DTV_ATSCMH_SCCC_CODE_MODE_B
DTV_ATSCMH_SCCC_CODE_MODE_C
DTV_ATSCMH_SCCC_CODE_MODE_D
DTV_ATSCMH_FIC_ERR
DTV_ATSCMH_CRC_ERR
DTV_ATSCMH_RS_ERR

Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 4ad34da0

drivers/media/dvb/dvb-core/dvb_frontend.c

+91 −1
Original line number Diff line number Diff line
@@ -182,13 +182,13 @@ static enum dvbv3_emulation_type dvbv3_type(u32 delivery_system) 
	case SYS_DMBTH:

		return DVBV3_OFDM;

	case SYS_ATSC:

	case SYS_ATSCMH:

	case SYS_DVBC_ANNEX_B:

		return DVBV3_ATSC;

	case SYS_UNDEFINED:

	case SYS_ISDBC:

	case SYS_DVBH:

	case SYS_DAB:

	case SYS_ATSCMH:

	default:

		/*

		 * Doesn't know how to emulate those types and/or
@@ -1030,6 +1030,28 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = { 
	_DTV_CMD(DTV_HIERARCHY, 0, 0),



	_DTV_CMD(DTV_ENUM_DELSYS, 0, 0),



	_DTV_CMD(DTV_ATSCMH_PARADE_ID, 1, 0),

	_DTV_CMD(DTV_ATSCMH_RS_FRAME_ENSEMBLE, 1, 0),



	_DTV_CMD(DTV_ATSCMH_FIC_VER, 0, 0),

	_DTV_CMD(DTV_ATSCMH_PARADE_ID, 0, 0),

	_DTV_CMD(DTV_ATSCMH_NOG, 0, 0),

	_DTV_CMD(DTV_ATSCMH_TNOG, 0, 0),

	_DTV_CMD(DTV_ATSCMH_SGN, 0, 0),

	_DTV_CMD(DTV_ATSCMH_PRC, 0, 0),

	_DTV_CMD(DTV_ATSCMH_RS_FRAME_MODE, 0, 0),

	_DTV_CMD(DTV_ATSCMH_RS_FRAME_ENSEMBLE, 0, 0),

	_DTV_CMD(DTV_ATSCMH_RS_CODE_MODE_PRI, 0, 0),

	_DTV_CMD(DTV_ATSCMH_RS_CODE_MODE_SEC, 0, 0),

	_DTV_CMD(DTV_ATSCMH_SCCC_BLOCK_MODE, 0, 0),

	_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_A, 0, 0),

	_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_B, 0, 0),

	_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_C, 0, 0),

	_DTV_CMD(DTV_ATSCMH_SCCC_CODE_MODE_D, 0, 0),

	_DTV_CMD(DTV_ATSCMH_FIC_ERR, 0, 0),

	_DTV_CMD(DTV_ATSCMH_CRC_ERR, 0, 0),

	_DTV_CMD(DTV_ATSCMH_RS_ERR, 0, 0),

};



static void dtv_property_dump(struct dtv_property *tvp)
@@ -1121,6 +1143,8 @@ static int dtv_property_cache_sync(struct dvb_frontend *fe, 
	case DVBV3_ATSC:

		dprintk("%s() Preparing ATSC req\n", __func__);

		c->modulation = p->u.vsb.modulation;

		if (c->delivery_system == SYS_ATSCMH)

			break;

		if ((c->modulation == VSB_8) || (c->modulation == VSB_16))

			c->delivery_system = SYS_ATSC;

		else
@@ -1367,6 +1391,63 @@ static int dtv_property_process_get(struct dvb_frontend *fe, 
	case DTV_DVBT2_PLP_ID:

		tvp->u.data = c->dvbt2_plp_id;

		break;



	/* ATSC-MH */

	case DTV_ATSCMH_FIC_VER:

		tvp->u.data = fe->dtv_property_cache.atscmh_fic_ver;

		break;

	case DTV_ATSCMH_PARADE_ID:

		tvp->u.data = fe->dtv_property_cache.atscmh_parade_id;

		break;

	case DTV_ATSCMH_NOG:

		tvp->u.data = fe->dtv_property_cache.atscmh_nog;

		break;

	case DTV_ATSCMH_TNOG:

		tvp->u.data = fe->dtv_property_cache.atscmh_tnog;

		break;

	case DTV_ATSCMH_SGN:

		tvp->u.data = fe->dtv_property_cache.atscmh_sgn;

		break;

	case DTV_ATSCMH_PRC:

		tvp->u.data = fe->dtv_property_cache.atscmh_prc;

		break;

	case DTV_ATSCMH_RS_FRAME_MODE:

		tvp->u.data = fe->dtv_property_cache.atscmh_rs_frame_mode;

		break;

	case DTV_ATSCMH_RS_FRAME_ENSEMBLE:

		tvp->u.data = fe->dtv_property_cache.atscmh_rs_frame_ensemble;

		break;

	case DTV_ATSCMH_RS_CODE_MODE_PRI:

		tvp->u.data = fe->dtv_property_cache.atscmh_rs_code_mode_pri;

		break;

	case DTV_ATSCMH_RS_CODE_MODE_SEC:

		tvp->u.data = fe->dtv_property_cache.atscmh_rs_code_mode_sec;

		break;

	case DTV_ATSCMH_SCCC_BLOCK_MODE:

		tvp->u.data = fe->dtv_property_cache.atscmh_sccc_block_mode;

		break;

	case DTV_ATSCMH_SCCC_CODE_MODE_A:

		tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_a;

		break;

	case DTV_ATSCMH_SCCC_CODE_MODE_B:

		tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_b;

		break;

	case DTV_ATSCMH_SCCC_CODE_MODE_C:

		tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_c;

		break;

	case DTV_ATSCMH_SCCC_CODE_MODE_D:

		tvp->u.data = fe->dtv_property_cache.atscmh_sccc_code_mode_d;

		break;

	case DTV_ATSCMH_FIC_ERR:

		tvp->u.data = fe->dtv_property_cache.atscmh_fic_err;

		break;

	case DTV_ATSCMH_CRC_ERR:

		tvp->u.data = fe->dtv_property_cache.atscmh_crc_err;

		break;

	case DTV_ATSCMH_RS_ERR:

		tvp->u.data = fe->dtv_property_cache.atscmh_rs_err;

		break;



	default:

		return -EINVAL;

	}
@@ -1708,6 +1789,15 @@ static int dtv_property_process_set(struct dvb_frontend *fe, 
	case DTV_DVBT2_PLP_ID:

		c->dvbt2_plp_id = tvp->u.data;

		break;



	/* ATSC-MH */

	case DTV_ATSCMH_PARADE_ID:

		fe->dtv_property_cache.atscmh_parade_id = tvp->u.data;

		break;

	case DTV_ATSCMH_RS_FRAME_ENSEMBLE:

		fe->dtv_property_cache.atscmh_rs_frame_ensemble = tvp->u.data;

		break;



	default:

		return -EINVAL;

	}

drivers/media/dvb/dvb-core/dvb_frontend.h

+22 −0
Original line number Diff line number Diff line
@@ -372,6 +372,28 @@ struct dtv_frontend_properties { 


	/* DVB-T2 specifics */

	u32                     dvbt2_plp_id;



	/* ATSC-MH specifics */

	u8			atscmh_fic_ver;

	u8			atscmh_parade_id;

	u8			atscmh_nog;

	u8			atscmh_tnog;

	u8			atscmh_sgn;

	u8			atscmh_prc;



	u8			atscmh_rs_frame_mode;

	u8			atscmh_rs_frame_ensemble;

	u8			atscmh_rs_code_mode_pri;

	u8			atscmh_rs_code_mode_sec;

	u8			atscmh_sccc_block_mode;

	u8			atscmh_sccc_code_mode_a;

	u8			atscmh_sccc_code_mode_b;

	u8			atscmh_sccc_code_mode_c;

	u8			atscmh_sccc_code_mode_d;



	u16			atscmh_fic_err;

	u16			atscmh_crc_err;

	u16			atscmh_rs_err;

};



struct dvb_frontend {

include/linux/dvb/frontend.h

+53 −1
Original line number Diff line number Diff line
@@ -320,7 +320,27 @@ struct dvb_frontend_event { 


#define DTV_ENUM_DELSYS		44



#define DTV_MAX_COMMAND				DTV_ENUM_DELSYS

/* ATSC-MH */

#define DTV_ATSCMH_FIC_VER		45

#define DTV_ATSCMH_PARADE_ID		46

#define DTV_ATSCMH_NOG			47

#define DTV_ATSCMH_TNOG			48

#define DTV_ATSCMH_SGN			49

#define DTV_ATSCMH_PRC			50

#define DTV_ATSCMH_RS_FRAME_MODE	51

#define DTV_ATSCMH_RS_FRAME_ENSEMBLE	52

#define DTV_ATSCMH_RS_CODE_MODE_PRI	53

#define DTV_ATSCMH_RS_CODE_MODE_SEC	54

#define DTV_ATSCMH_SCCC_BLOCK_MODE	55

#define DTV_ATSCMH_SCCC_CODE_MODE_A	56

#define DTV_ATSCMH_SCCC_CODE_MODE_B	57

#define DTV_ATSCMH_SCCC_CODE_MODE_C	58

#define DTV_ATSCMH_SCCC_CODE_MODE_D	59

#define DTV_ATSCMH_FIC_ERR		60

#define DTV_ATSCMH_CRC_ERR		61

#define DTV_ATSCMH_RS_ERR		62



#define DTV_MAX_COMMAND				DTV_ATSCMH_RS_ERR



typedef enum fe_pilot {

	PILOT_ON,
@@ -360,6 +380,38 @@ typedef enum fe_delivery_system { 


#define SYS_DVBC_ANNEX_AC	SYS_DVBC_ANNEX_A



/* ATSC-MH */



enum atscmh_sccc_block_mode {

	ATSCMH_SCCC_BLK_SEP      = 0,

	ATSCMH_SCCC_BLK_COMB     = 1,

	ATSCMH_SCCC_BLK_RES      = 2,

};



enum atscmh_sccc_code_mode {

	ATSCMH_SCCC_CODE_HLF     = 0,

	ATSCMH_SCCC_CODE_QTR     = 1,

	ATSCMH_SCCC_CODE_RES     = 2,

};



enum atscmh_rs_frame_ensemble {

	ATSCMH_RSFRAME_ENS_PRI   = 0,

	ATSCMH_RSFRAME_ENS_SEC   = 1,

};



enum atscmh_rs_frame_mode {

	ATSCMH_RSFRAME_PRI_ONLY  = 0,

	ATSCMH_RSFRAME_PRI_SEC   = 1,

	ATSCMH_RSFRAME_RES       = 2,

};



enum atscmh_rs_code_mode {

	ATSCMH_RSCODE_211_187    = 0,

	ATSCMH_RSCODE_223_187    = 1,

	ATSCMH_RSCODE_235_187    = 2,

	ATSCMH_RSCODE_RES        = 3,

};





struct dtv_cmds_h {

	char	*name;		/* A display name for debugging purposes */

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