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92 lines
3.7 KiB
92 lines
3.7 KiB
From 8cc2e0072bc2dfc9a64b569e2b7bb804bf82bc55 Mon Sep 17 00:00:00 2001
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From: Athanasios Oikonomou <athoik@gmail.com>
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Date: Thu, 17 Mar 2016 06:53:34 +0200
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Subject: [PATCH] stv090x: optimized TS sync control
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Based on crazycat commits:
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stv090x: Minimum latence TS FIFO mode for DVB-S2.
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https://github.com/Taapat/driver/commit/b831c1a22b96ece05d0af1cc1e55d5e34d2ca13b
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stv090x: optimized TS sync control.
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https://github.com/Taapat/driver/commit/f2cacf05651efe48bb5abb02df94646a0d712362
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diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c
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index 12fd3d0..396e0ab 100644
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--- a/drivers/media/dvb-frontends/stv090x.c
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+++ b/drivers/media/dvb-frontends/stv090x.c
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@@ -3017,6 +3017,28 @@ static int stv090x_optimize_track(struct stv090x_state *state)
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srate = stv090x_get_srate(state, state->internal->mclk);
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srate += stv090x_get_tmgoffst(state, srate);
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+ if (state->delsys == STV090x_DVBS2 && srate > 10000000) {
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+ reg = stv090x_read_reg(state, STV090x_P1_TSSTATEM);
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+ STV090x_SETFIELD_Px(reg, TSOUT_NOSYNC, 1);
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+ if (stv090x_write_reg(state, STV090x_P1_TSSTATEM, reg) < 0)
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+ goto err;
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+
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+ reg = stv090x_read_reg(state, STV090x_P1_TSSYNC);
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+ STV090x_SETFIELD_Px(reg, TSFIFO_SYNCMODE, 2);
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+ if (stv090x_write_reg(state, STV090x_P1_TSSYNC, reg) < 0)
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+ goto err;
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+ } else {
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+ reg = stv090x_read_reg(state, STV090x_P1_TSSTATEM);
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+ STV090x_SETFIELD_Px(reg, TSOUT_NOSYNC, 0);
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+ if (stv090x_write_reg(state, STV090x_P1_TSSTATEM, reg) < 0)
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+ goto err;
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+
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+ reg = stv090x_read_reg(state, STV090x_P1_TSSYNC);
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+ STV090x_SETFIELD_Px(reg, TSFIFO_SYNCMODE, 0);
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+ if (stv090x_write_reg(state, STV090x_P1_TSSYNC, reg) < 0)
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+ goto err;
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+ }
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+
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switch (state->delsys) {
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case STV090x_DVBS1:
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case STV090x_DSS:
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@@ -4517,10 +4539,6 @@ static int stv0900_set_tspath(struct stv090x_state *state)
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case STV090x_TSMODE_DVBCI:
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if (stv090x_write_reg(state, STV090x_TSGENERAL, 0x06) < 0) /* Mux'd stream mode */
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goto err;
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- reg = stv090x_read_reg(state, STV090x_P1_TSCFGM);
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- STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
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- if (stv090x_write_reg(state, STV090x_P1_TSCFGM, reg) < 0)
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- goto err;
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reg = stv090x_read_reg(state, STV090x_P2_TSCFGM);
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STV090x_SETFIELD_Px(reg, TSFIFO_MANSPEED_FIELD, 3);
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if (stv090x_write_reg(state, STV090x_P2_TSCFGM, reg) < 0)
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diff --git a/drivers/media/dvb-frontends/stv090x_reg.h b/drivers/media/dvb-frontends/stv090x_reg.h
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index 93741ee..c1dac9c 100644
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--- a/drivers/media/dvb-frontends/stv090x_reg.h
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+++ b/drivers/media/dvb-frontends/stv090x_reg.h
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@@ -2106,6 +2106,14 @@
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#define STV090x_WIDTH_Px_TSDIL_ON_FIELD 1
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#define STV090x_OFFST_Px_TSRS_ON_FIELD 5
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#define STV090x_WIDTH_Px_TSRS_ON_FIELD 1
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+#define STV090x_OFFST_Px_TSDESCRAMB_ON 4
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+#define STV090x_WIDTH_Px_TSDESCRAMB_ON 1
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+#define STV090x_OFFST_Px_TSFRAME_MODE 3
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+#define STV090x_WIDTH_Px_TSFRAME_MODE 1
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+#define STV090x_OFFST_Px_TS_DISABLE 2
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+#define STV090x_WIDTH_Px_TS_DISABLE 1
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+#define STV090x_OFFST_Px_TSOUT_NOSYNC 0
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+#define STV090x_WIDTH_Px_TSOUT_NOSYNC 1
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#define STV090x_Px_TSCFGH(__x) (0xF572 - (__x - 1) * 0x200)
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#define STV090x_P1_TSCFGH STV090x_Px_TSCFGH(1)
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@@ -2149,6 +2157,14 @@
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#define STV090x_OFFST_Px_TSFIFO_DPUNACT_FIELD 1
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#define STV090x_WIDTH_Px_TSFIFO_DPUNACT_FIELD 1
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+#define STV090x_Px_TSSYNC(__x) (0xF575 - (__x - 1) * 0x200)
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+#define STV090x_P1_TSSYNC STV090x_Px_TSSYNC(1)
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+#define STV090x_P2_TSSYNC STV090x_Px_TSSYNC(2)
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+#define STV090x_OFFST_Px_TSFIFO_FISCR3B 5
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+#define STV090x_WIDTH_Px_TSFIFO_FISCR3B 2
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+#define STV090x_OFFST_Px_TSFIFO_SYNCMODE 3
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+#define STV090x_WIDTH_Px_TSFIFO_SYNCMODE 2
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+
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#define STV090x_Px_TSINSDELH(__x) (0xF576 - (__x - 1) * 0x200)
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#define STV090x_P1_TSINSDELH STV090x_Px_TSINSDELH(1)
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#define STV090x_P2_TSINSDELH STV090x_Px_TSINSDELH(2)
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--
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2.1.4
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