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Fix the halt_input and halt_output routines to actually disable the channel,

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not just the DMA FIFO.  Fixes problems with sample misalignment.
This commit is contained in:
mycroft 1999-02-20 23:28:37 +00:00
parent 5113c5b9c0
commit b81ad0de61
1 changed files with 18 additions and 14 deletions
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32
sys/dev/isa/ess.c
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@ -1,4 +1,4 @@
/* $NetBSD: ess.c,v 1.30 1999/02/17 02:37:39 mycroft Exp $ */
/* $NetBSD: ess.c,v 1.31 1999/02/20 23:28:37 mycroft Exp $ */
/*
* Copyright 1997
@ -922,13 +922,15 @@ ess_close(addr)
DPRINTF(("ess_close: sc=%p\n", sc));
sc->sc_open = 0;
ess_speaker_off(sc);
sc->spkr_state = SPKR_OFF;
ess_halt_output(sc);
ess_halt_input(sc);
sc->sc_in.intr = 0;
sc->sc_out.intr = 0;
sc->sc_open = 0;
DPRINTF(("ess_close: closed\n"));
}
@ -1301,8 +1303,13 @@ ess_halt_output(addr)
DPRINTF(("ess_halt_output: sc=%p\n", sc));
ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL1,
ESS_AUDIO2_CTRL1_FIFO_ENABLE);
if (sc->sc_out.active) {
ess_clear_mreg_bits(sc, ESS_MREG_AUDIO2_CTRL1,
ESS_AUDIO2_CTRL1_DAC_ENABLE |
ESS_AUDIO2_CTRL1_FIFO_ENABLE);
isa_dmaabort(sc->sc_ic, sc->sc_out.drq);
sc->sc_out.active = 0;
}
return (0);
}
@ -1315,8 +1322,13 @@ ess_halt_input(addr)
DPRINTF(("ess_halt_input: sc=%p\n", sc));
ess_clear_xreg_bits(sc, ESS_XCMD_AUDIO1_CTRL2,
ESS_AUDIO1_CTRL2_FIFO_ENABLE);
if (sc->sc_in.active) {
ess_clear_xreg_bits(sc, ESS_XCMD_AUDIO1_CTRL2,
ESS_AUDIO1_CTRL2_ADC_ENABLE |
ESS_AUDIO1_CTRL2_FIFO_ENABLE);
isa_dmaabort(sc->sc_ic, sc->sc_in.drq);
sc->sc_in.active = 0;
}
return (0);
}
@ -1861,16 +1873,8 @@ ess_reset(sc)
bus_space_handle_t ioh = sc->sc_ioh;
sc->sc_in.intr = 0;
if (sc->sc_in.active) {
isa_dmaabort(sc->sc_ic, sc->sc_in.drq);
sc->sc_in.active = 0;
}
sc->sc_out.intr = 0;
if (sc->sc_out.active) {
isa_dmaabort(sc->sc_ic, sc->sc_out.drq);
sc->sc_out.active = 0;
}
EWRITE1(iot, ioh, ESS_DSP_RESET, ESS_RESET_EXT);
delay(10000);