diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/sparc/dev/tctrl.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/sys/arch/sparc/dev/tctrl.c b/sys/arch/sparc/dev/tctrl.c index c9f69372c8e..99c654f910e 100644 --- a/sys/arch/sparc/dev/tctrl.c +++ b/sys/arch/sparc/dev/tctrl.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tctrl.c,v 1.12 2005/07/08 12:43:48 miod Exp $ */ +/* $OpenBSD: tctrl.c,v 1.13 2005/07/08 12:50:21 miod Exp $ */ /* $NetBSD: tctrl.c,v 1.2 1999/08/11 00:46:06 matt Exp $ */ /*- @@ -88,6 +88,8 @@ #include <machine/conf.h> #include <machine/cpu.h> +#include <sparc/sparc/auxioreg.h> + #include <sparc/dev/ts102reg.h> #include <sparc/dev/tctrlvar.h> @@ -134,6 +136,7 @@ struct tctrl_softc { u_int sc_ext_status; u_int sc_flags; #define TCTRL_SEND_REQUEST 0x0001 +#define TCTRL_ISXT 0x0002 u_int sc_wantdata; enum { TCTRL_IDLE, TCTRL_ARGS, TCTRL_ACK, TCTRL_DATA } sc_state; @@ -230,6 +233,13 @@ tctrl_attach(parent, self, aux) printf(" pri %d\n", pri); + /* + * We need to check if we are running on the SPARCbook S3XT, which + * needs extra work to control the TFT power. + */ + sc->sc_flags = 0; + if (strcmp(mainbus_model, "Tadpole_S3000XT") == 0) + sc->sc_flags |= TCTRL_ISXT; sc->sc_tft_on = 1; /* clear any pending data */ @@ -610,19 +620,28 @@ void tctrl_tft(struct tctrl_softc *sc) { struct tctrl_req req; + int enable; + + enable = (sc->sc_ext_status & TS102_EXT_STATUS_LID_DOWN) == 0 && + sc->sc_tft_on; - if ((sc->sc_ext_status & TS102_EXT_STATUS_LID_DOWN) - || !sc->sc_tft_on) { - req.cmdbuf[2] = TS102_BITPORT_TFTPWR; - } else { - req.cmdbuf[2] = 0; - } req.cmdbuf[0] = TS102_OP_CTL_BITPORT; req.cmdbuf[1] = ~TS102_BITPORT_TFTPWR; + req.cmdbuf[2] = enable ? 0 : TS102_BITPORT_TFTPWR; req.cmdlen = 3; req.rsplen = 2; + if ((sc->sc_flags & TCTRL_ISXT) != 0 && enable) { + sb_auxregbisc(0, AUXIO_TFT, 0); + delay(100000); /* XXX is such a long delay really necessary? */ + } + tctrl_request(sc, &req); + + if ((sc->sc_flags & TCTRL_ISXT) != 0 && !enable) { + delay(100000); /* XXX is such a long delay really necessary? */ + sb_auxregbisc(0, 0, AUXIO_TFT); + } } void |