diff options
Diffstat (limited to 'sys/dev/sbus')
| -rw-r--r-- | sys/dev/sbus/tvtwo.c | 109 |
1 files changed, 62 insertions, 47 deletions
diff --git a/sys/dev/sbus/tvtwo.c b/sys/dev/sbus/tvtwo.c index dfbe5b40d2b..e4d6dc0663b 100644 --- a/sys/dev/sbus/tvtwo.c +++ b/sys/dev/sbus/tvtwo.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tvtwo.c,v 1.4 2005/03/07 16:44:53 miod Exp $ */ +/* $OpenBSD: tvtwo.c,v 1.5 2005/03/07 21:21:04 miod Exp $ */ /* * Copyright (c) 2003, Miodrag Vallat. * All rights reserved. @@ -53,9 +53,7 @@ #include <sys/buf.h> #include <sys/device.h> #include <sys/ioctl.h> -#include <sys/malloc.h> #include <sys/mman.h> -#include <sys/tty.h> #include <sys/conf.h> #include <uvm/uvm_extern.h> @@ -68,7 +66,6 @@ #include <dev/wscons/wsconsio.h> #include <dev/wscons/wsdisplayvar.h> -#include <dev/wscons/wscons_raster.h> #include <dev/rasops/rasops.h> #include <machine/fbvar.h> @@ -77,18 +74,26 @@ /* * The memory layout of the board is as follows: * - * PROM0 000000 - 00ffff - * overlay plane 010000 - 037fff - * registers 040000 - 0404d0 - * CCube 050000 - 05ffff - * 8-bit plane 080000 - 17ffff - * 24-bit plane 200000 - 6fffff - * PROM1 7f0000 - 7fffff + * PROM0 000000 - 00ffff + * overlay plane 010000 - 037fff + * registers 040000 - 0404d0 + * CCube 050000 - 05ffff + * 8-bit plane 080000 - 17ffff + * 24-bit plane 200000 - 6fffff + * PROM1 7f0000 - 7fffff * - * All of this is mapped using only one register (except for older models - * which are not currently supported). - * At PROM initialization, the board will be in 24-bit mode, so no specific - * initialization is necessary. + * Older XVideo provide two sets of SBus registers: + * R0 040000 - 040800 + * R1 080000 - 17d200 + * While the more recent revisions provide only one register: + * R0 000000 - 7fffff + * + * We currently refuse to attach to the old version because mapping + * things requires us to play with the sbus register ranges, and I + * don't want to play this game without the hardware at hand -- miod + * + * At PROM initialization, the board will be in 24-bit mode, + * so no specific initialization is necessary. */ #define PX_PROM0_OFFSET 0x000000 @@ -107,7 +112,10 @@ #define DISPKLUDGE_DEFAULT 0xc41f #define DISPKLUDGE_BLANK (1 << 12) -#define PX_REG_BT463 0x0480 +#define PX_REG_BT463_RED 0x0480 +#define PX_REG_BT463_GREEN 0x0490 +#define PX_REG_BT463_BLUE 0x04a0 +#define PX_REG_BT463_ALL 0x04b0 #define PX_REG_SIZE 0x04d0 @@ -125,18 +133,18 @@ struct tvtwo_softc { int sc_nscreens; }; -int tvtwo_ioctl(void *, u_long, caddr_t, int, struct proc *); -int tvtwo_alloc_screen(void *, const struct wsscreen_descr *, void **, - int *, int *, long *); -void tvtwo_free_screen(void *, void *); -int tvtwo_show_screen(void *, void *, int, void (*cb)(void *, int, int), - void *); -paddr_t tvtwo_mmap(void *, off_t, int); -void tvtwo_burner(void *, u_int, u_int); +int tvtwo_ioctl(void *, u_long, caddr_t, int, struct proc *); +int tvtwo_alloc_screen(void *, const struct wsscreen_descr *, void **, + int *, int *, long *); +void tvtwo_free_screen(void *, void *); +int tvtwo_show_screen(void *, void *, int, void (*cb)(void *, int, int), + void *); +paddr_t tvtwo_mmap(void *, off_t, int); +void tvtwo_burner(void *, u_int, u_int); static __inline__ void tvtwo_ramdac_wraddr(struct tvtwo_softc *sc, u_int32_t addr); -void tvtwo_initcmap(struct tvtwo_softc *); +void tvtwo_initcmap(struct tvtwo_softc *); struct wsdisplay_accessops tvtwo_accessops = { tvtwo_ioctl, @@ -150,8 +158,8 @@ struct wsdisplay_accessops tvtwo_accessops = { tvtwo_burner, }; -int tvtwomatch(struct device *, void *, void *); -void tvtwoattach(struct device *, struct device *, void *); +int tvtwomatch(struct device *, void *, void *); +void tvtwoattach(struct device *, struct device *, void *); struct cfattach tvtwo_ca = { sizeof(struct tvtwo_softc), tvtwomatch, tvtwoattach @@ -164,8 +172,9 @@ struct cfdriver tvtwo_cd = { /* * Default frame buffer resolution, depending upon the "freqcode" */ -const int defwidth[] = { 1152, 1152, 1152, 1024, 640, 1024 }; -const int defheight[] = { 900, 900, 900, 768, 480, 1024 }; +#define NFREQCODE 5 +const int defwidth[NFREQCODE] = { 1152, 1152, 1152, 1024, 640 }; +const int defheight[NFREQCODE] = { 900, 900, 900, 768, 480 }; /* * Match an XVideo or PowerVideo card. @@ -175,10 +184,11 @@ tvtwomatch(struct device *parent, void *vcf, void *aux) { struct sbus_attach_args *sa = aux; - if (strcmp(sa->sa_name, "PGI,tvtwo") != 0) - return (0); + if (strcmp(sa->sa_name, "PGI,tvtwo") == 0 || + strcmp(sa->sa_name, "PGI,tvthree") == 0) + return (1); - return (1); + return (0); } /* @@ -201,10 +211,12 @@ tvtwoattach(struct device *parent, struct device *self, void *args) printf(": %s", getpropstring(node, "model")); printf(", revision %s\n", getpropstring(node, "revision")); - /* We do not know how to handle older boards. */ + /* We do not handle older boards yet. */ if (sa->sa_nreg != 1) { - printf("%s: old-style boards with %d registers are not supported\n", - self->dv_xname, sa->sa_nreg); + printf("%s: old-style boards with %d registers are not supported\n" + "%s: please report this to <sparc@openbsd.org>\n", + self->dv_xname, sa->sa_nreg, + self->dv_xname); return; } @@ -222,17 +234,20 @@ tvtwoattach(struct device *parent, struct device *self, void *args) /* Compute framebuffer size. */ freqstring = getpropstring(node, "freqcode"); freqcode = (int)*freqstring; - if (freqcode == 'g') - freqcode = '6'; - if (freqcode < '1' || freqcode > '6') - freqcode = 0; - else - freqcode -= '1'; + if (freqcode == 'g') { + width = height = 1024; + } else { + if (freqcode < '1' || freqcode > '6') + freqcode = 0; + else + freqcode -= '1'; + width = defwidth[freqcode]; + height = defheight[freqcode]; + } - width = getpropint(node, "hres", defwidth[freqcode]); - height = getpropint(node, "vres", defheight[freqcode]); - fb_setsize(&sc->sc_sunfb, 32, width, height, - node, 0); + width = getpropint(node, "hres", width); + height = getpropint(node, "vres", height); + fb_setsize(&sc->sc_sunfb, 32, width, height, node, 0); /* Map the frame buffer memory area we're interested in. */ sc->sc_paddr = sbus_bus_addr(bt, sa->sa_slot, sa->sa_offset); @@ -364,7 +379,7 @@ tvtwo_show_screen(void *v, void *cookie, int waitok, static __inline__ void tvtwo_ramdac_wraddr(struct tvtwo_softc *sc, u_int32_t addr) { - volatile u_int32_t *dac = (u_int32_t *)(sc->sc_regs + PX_REG_BT463); + volatile u_int32_t *dac = (u_int32_t *)(sc->sc_regs + PX_REG_BT463_RED); dac[0] = (addr & 0xff); /* lo addr */ dac[1] = ((addr >> 8) & 0xff); /* hi addr */ @@ -373,7 +388,7 @@ tvtwo_ramdac_wraddr(struct tvtwo_softc *sc, u_int32_t addr) void tvtwo_initcmap(struct tvtwo_softc *sc) { - volatile u_int32_t *dac = (u_int32_t *)(sc->sc_regs + PX_REG_BT463); + volatile u_int32_t *dac = (u_int32_t *)(sc->sc_regs + PX_REG_BT463_RED); u_int32_t c; tvtwo_ramdac_wraddr(sc, 0); |