diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/vax/vsa/lcspx.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/sys/arch/vax/vsa/lcspx.c b/sys/arch/vax/vsa/lcspx.c index 0ae77621926..e502bc17ce9 100644 --- a/sys/arch/vax/vsa/lcspx.c +++ b/sys/arch/vax/vsa/lcspx.c @@ -1,4 +1,4 @@ -/* $OpenBSD: lcspx.c,v 1.3 2006/07/29 15:11:57 miod Exp $ */ +/* $OpenBSD: lcspx.c,v 1.4 2006/08/03 18:46:07 miod Exp $ */ /* * Copyright (c) 2006 Miodrag Vallat. * @@ -69,6 +69,7 @@ #include <dev/ic/bt463reg.h> /* actually it's a 459 here... */ #define LCSPX_REG_ADDR 0x39302000 /* registers */ +#define LCSPX_REG_SIZE 0x2000 #define LCSPX_REG1_ADDR 0x39b00000 /* more registers */ #define LCSPX_RAMDAC_ADDR 0x39b10000 /* RAMDAC */ #define LCSPX_RAMDAC_INTERLEAVE 0x00004000 @@ -85,8 +86,14 @@ struct lcspx_screen { struct rasops_info ss_ri; caddr_t ss_addr; /* frame buffer address */ volatile u_int8_t *ss_ramdac[4]; + vaddr_t ss_reg; }; +#define lcspx_reg_read(ss, reg) \ + *(volatile u_int32_t *)((ss)->ss_reg + (reg)) +#define lcspx_reg_write(ss, reg, val) \ + *(volatile u_int32_t *)((ss)->ss_reg + (reg)) = (val) + /* for console */ struct lcspx_screen lcspx_consscr; @@ -206,18 +213,25 @@ lcspx_attach(struct device *parent, struct device *self, void *aux) goto fail1; } + ss->ss_reg = vax_map_physmem(LCSPX_REG_ADDR, + LCSPX_REG_SIZE / VAX_NBPG); + if (ss->ss_reg == 0L) { + printf(": can not map registers\n"); + goto fail2; + } + for (i = 0; i < 4; i++) { ss->ss_ramdac[i] = (volatile u_int8_t *)vax_map_physmem( LCSPX_RAMDAC_ADDR + i * LCSPX_RAMDAC_INTERLEAVE, 1); if (ss->ss_ramdac[i] == NULL) { printf(": can not map RAMDAC registers\n"); - goto fail2; + goto fail3; } } if (lcspx_setup_screen(ss) != 0) { printf(": initialization failed\n"); - goto fail2; + goto fail3; } } sc->sc_scr = ss; @@ -232,10 +246,12 @@ lcspx_attach(struct device *parent, struct device *self, void *aux) config_found(self, &aa, wsemuldisplaydevprint); return; -fail2: +fail3: for (i = 0; i < 4; i++) if (ss->ss_ramdac[i] != NULL) vax_unmap_physmem((vaddr_t)ss->ss_ramdac[i], 1); + vax_unmap_physmem(ss->ss_reg, LCSPX_REG_SIZE / VAX_NBPG); +fail2: vax_unmap_physmem((vaddr_t)ss->ss_addr, LCSPX_FBSIZE / VAX_NBPG); fail1: free(ss, M_DEVBUF); @@ -272,6 +288,12 @@ lcspx_setup_screen(struct lcspx_screen *ss) if (rasops_init(ri, 160, 160) != 0) return (-1); + /* + * Enable all planes for reading and writing + */ + lcspx_reg_write(ss, 0x1170, 0xffffffff); + lcspx_reg_write(ss, 0x1174, 0xffffffff); + lcspx_resetcmap(ss); lcspx_stdscreen.ncols = ri->ri_cols; @@ -447,6 +469,10 @@ lcspxcninit() virtual_avail += LCSPX_FBSIZE; ioaccess((vaddr_t)ss->ss_addr, LCSPX_FB_ADDR, LCSPX_FBSIZE / VAX_NBPG); + ss->ss_reg = virtual_avail; + virtual_avail += LCSPX_REG_SIZE; + ioaccess(ss->ss_reg, LCSPX_REG_ADDR, LCSPX_REG_SIZE / VAX_NBPG); + for (i = 0; i < 4; i++) { ss->ss_ramdac[i] = (volatile u_int8_t *)virtual_avail; virtual_avail += VAX_NBPG; |