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Commit 82a05014 authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Mauro Carvalho Chehab
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[media] it913x-fe ver 1.13 add BER and UNC monitoring 



Add BER monitoring with Pre-Viterbi error rate.

Add UCBLOCKS based on Aborted packets.

Signed-off-by: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 245900c4

drivers/media/dvb/frontends/it913x-fe.c

+17 −4
Original line number Diff line number Diff line
@@ -66,6 +66,7 @@ struct it913x_fe_state { 
	u8 tun_fdiv;

	u8 tun_clk_mode;

	u32 tun_fn_min;

	u32 ucblocks;

};



static int it913x_read_reg(struct it913x_fe_state *state,
@@ -562,14 +563,26 @@ static int it913x_fe_read_snr(struct dvb_frontend *fe, u16 *snr) 


static int it913x_fe_read_ber(struct dvb_frontend *fe, u32 *ber)

{

	*ber = 0;

	struct it913x_fe_state *state = fe->demodulator_priv;

	int ret;

	u8 reg[5];

	/* Read Aborted Packets and Pre-Viterbi error rate 5 bytes */

	ret = it913x_read_reg(state, RSD_ABORT_PKT_LSB, reg, sizeof(reg));

	state->ucblocks += (u32)(reg[1] << 8) | reg[0];

	*ber = (u32)(reg[4] << 16) | (reg[3] << 8) | reg[2];

	return 0;

}



static int it913x_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)

{

	*ucblocks = 0;

	return 0;

	struct it913x_fe_state *state = fe->demodulator_priv;

	int ret;

	u8 reg[2];

	/* Aborted Packets */

	ret = it913x_read_reg(state, RSD_ABORT_PKT_LSB, reg, sizeof(reg));

	state->ucblocks += (u32)(reg[1] << 8) | reg[0];

	*ucblocks = state->ucblocks;

	return ret;

}



static int it913x_fe_get_frontend(struct dvb_frontend *fe)
@@ -959,5 +972,5 @@ static struct dvb_frontend_ops it913x_fe_ofdm_ops = { 


MODULE_DESCRIPTION("it913x Frontend and it9137 tuner");

MODULE_AUTHOR("Malcolm Priestley tvboxspy@gmail.com");

MODULE_VERSION("1.12");

MODULE_VERSION("1.13");

MODULE_LICENSE("GPL");

drivers/media/dvb/frontends/it913x-fe.h

+10 −0
Original line number Diff line number Diff line
@@ -148,6 +148,16 @@ static inline struct dvb_frontend *it913x_fe_attach( 
#define COEFF_1_2048		0x0001

#define XTAL_CLK		0x0025

#define BFS_FCW			0x0029



/* Error Regs */

#define RSD_ABORT_PKT_LSB	0x0032

#define RSD_ABORT_PKT_MSB	0x0033

#define RSD_BIT_ERR_0_7		0x0034

#define RSD_BIT_ERR_8_15	0x0035

#define RSD_BIT_ERR_23_16	0x0036

#define RSD_BIT_COUNT_LSB	0x0037

#define RSD_BIT_COUNT_MSB	0x0038



#define TPSD_LOCK		0x003c

#define TRAINING_MODE		0x0040

#define ADC_X_2			0x0045