From 82a05014733b24827fc246c3498e0b703b11211f Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Tue, 3 Jan 2012 06:28:32 -0300 Subject: [PATCH] [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: Malcolm Priestley Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/it913x-fe.c | 21 +++++++++++++++++---- drivers/media/dvb/frontends/it913x-fe.h | 10 ++++++++++ 2 files changed, 27 insertions(+), 4 deletions(-) diff --git a/drivers/media/dvb/frontends/it913x-fe.c b/drivers/media/dvb/frontends/it913x-fe.c index 29cb47eb2f8..7290801eac6 100644 --- a/drivers/media/dvb/frontends/it913x-fe.c +++ b/drivers/media/dvb/frontends/it913x-fe.c @@ -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"); diff --git a/drivers/media/dvb/frontends/it913x-fe.h b/drivers/media/dvb/frontends/it913x-fe.h index 5ee3e2f1416..c4a908e354e 100644 --- a/drivers/media/dvb/frontends/it913x-fe.h +++ b/drivers/media/dvb/frontends/it913x-fe.h @@ -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 -- 2.41.0