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[media] it913x-fe ver 1.13 add BER and UNC monitoring

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Add BER monitoring with Pre-Viterbi error rate.

Add UCBLOCKS based on Aborted packets.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Malcolm Priestley 2012-01-03 06:28:32 -03:00 committed by Mauro Carvalho Chehab
parent 245900c4a7
commit 82a0501473
2 changed files with 27 additions and 4 deletions
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21
drivers/media/dvb/frontends/it913x-fe.c
View file

@ -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");

10
drivers/media/dvb/frontends/it913x-fe.h
View file

@ -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