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NetBSD/sys/dev/ic/sti.c

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/* $NetBSD: sti.c,v 1.14 2010/11/24 19:12:08 skrll Exp $ */
/* $OpenBSD: sti.c,v 1.61 2009/09/05 14:09:35 miod Exp $ */
/*
* Copyright (c) 2000-2003 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* TODO:
* call sti procs asynchronously;
* implement console scroll-back;
* X11 support.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sti.c,v 1.14 2010/11/24 19:12:08 skrll Exp $");
#include "wsdisplay.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <uvm/uvm.h>
#include <sys/bus.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/ic/stireg.h>
#include <dev/ic/stivar.h>
#include "sti_pci.h"
#ifdef STIDEBUG
#define DPRINTF(s) do { \
if (stidebug) \
printf s; \
} while(0)
int stidebug = 1;
#else
#define DPRINTF(s) /* */
#endif
void sti_cursor(void *, int, int, int);
int sti_mapchar(void *, int, u_int *);
void sti_putchar(void *, int, int, u_int, long);
void sti_copycols(void *, int, int, int, int);
void sti_erasecols(void *, int, int, int, long);
void sti_copyrows(void *, int, int, int);
void sti_eraserows(void *, int, int, long);
int sti_alloc_attr(void *, int, int, int, long *);
struct wsdisplay_emulops sti_emulops = {
sti_cursor,
sti_mapchar,
sti_putchar,
sti_copycols,
sti_erasecols,
sti_copyrows,
sti_eraserows,
sti_alloc_attr
};
int sti_ioctl(void *, void *, u_long, void *, int, struct lwp *);
paddr_t sti_mmap(void *, void *, off_t, int);
int sti_alloc_screen(void *, const struct wsscreen_descr *,
void **, int *, int *, long *);
void sti_free_screen(void *, void *);
int sti_show_screen(void *, void *, int, void (*cb)(void *, int, int), void *);
int sti_load_font(void *, void *, struct wsdisplay_font *);
const struct wsdisplay_accessops sti_accessops = {
sti_ioctl,
sti_mmap,
sti_alloc_screen,
sti_free_screen,
sti_show_screen,
sti_load_font
};
enum sti_bmove_funcs {
bmf_clear, bmf_copy, bmf_invert, bmf_underline
};
int sti_init(struct sti_screen *, int);
#define STI_TEXTMODE 0x01
#define STI_CLEARSCR 0x02
int sti_inqcfg(struct sti_screen *, struct sti_inqconfout *);
void sti_bmove(struct sti_screen *, int, int, int, int, int, int,
enum sti_bmove_funcs);
int sti_setcment(struct sti_screen *, u_int, u_char, u_char, u_char);
struct sti_screen *sti_attach_screen(struct sti_softc *, int);
void sti_describe_screen(struct sti_softc *, struct sti_screen *);
int sti_fetchfonts(struct sti_screen *, struct sti_inqconfout *, uint32_t,
u_int);
void sti_region_setup(struct sti_screen *);
int sti_rom_setup(struct sti_rom *, bus_space_tag_t, bus_space_tag_t,
bus_space_handle_t, bus_addr_t *, u_int);
int sti_screen_setup(struct sti_screen *, int);
#if NSTI_PCI > 0
#define STI_ENABLE_ROM(sc) \
do { \
if ((sc) != NULL && (sc)->sc_enable_rom != NULL) \
(*(sc)->sc_enable_rom)(sc); \
} while (0)
#define STI_DISABLE_ROM(sc) \
do { \
if ((sc) != NULL && (sc)->sc_disable_rom != NULL) \
(*(sc)->sc_disable_rom)(sc); \
} while (0)
#else
#define STI_ENABLE_ROM(sc) do { /* nothing */ } while (0)
#define STI_DISABLE_ROM(sc) do { /* nothing */ } while (0)
#endif
/* Macros to read larger than 8 bit values from byte roms */
#define parseshort(o) \
((bus_space_read_1(memt, romh, (o) + 3) << 8) | \
(bus_space_read_1(memt, romh, (o) + 7)))
#define parseword(o) \
((bus_space_read_1(memt, romh, (o) + 3) << 24) | \
(bus_space_read_1(memt, romh, (o) + 7) << 16) | \
(bus_space_read_1(memt, romh, (o) + 11) << 8) | \
(bus_space_read_1(memt, romh, (o) + 15)))
int
sti_attach_common(struct sti_softc *sc, bus_space_tag_t iot,
bus_space_tag_t memt, bus_space_handle_t romh, u_int codebase)
{
struct sti_rom *rom;
int rc;
rom = (struct sti_rom *)malloc(sizeof(*rom), M_DEVBUF,
M_NOWAIT | M_ZERO);
if (rom == NULL) {
aprint_error("cannot allocate rom data\n");
return ENOMEM;
}
rom->rom_softc = sc;
rc = sti_rom_setup(rom, iot, memt, romh, sc->bases, codebase);
if (rc != 0) {
free(rom, M_DEVBUF);
return rc;
}
sc->sc_rom = rom;
sti_describe(sc);
sc->sc_scr = sti_attach_screen(sc,
sc->sc_flags & STI_CONSOLE ? 0 : STI_CLEARSCR);
if (sc->sc_scr == NULL)
rc = ENOMEM;
return rc;
}
struct sti_screen *
sti_attach_screen(struct sti_softc *sc, int flags)
{
struct sti_screen *scr;
int rc;
scr = (struct sti_screen *)malloc(sizeof(*scr), M_DEVBUF,
M_NOWAIT | M_ZERO);
if (scr == NULL) {
aprint_error("cannot allocate screen data\n");
return NULL;
}
scr->scr_rom = sc->sc_rom;
rc = sti_screen_setup(scr, flags);
if (rc != 0) {
free(scr, M_DEVBUF);
return NULL;
}
sti_describe_screen(sc, scr);
return scr;
}
int
sti_rom_setup(struct sti_rom *rom, bus_space_tag_t iot, bus_space_tag_t memt,
bus_space_handle_t romh, bus_addr_t *bases, u_int codebase)
{
struct sti_dd *dd;
int error, size, i;
KASSERT(rom != NULL);
STI_ENABLE_ROM(rom->rom_softc);
rom->iot = iot;
rom->memt = memt;
rom->romh = romh;
rom->bases = bases;
/*
* Get ROM header and code function pointers.
*/
dd = &rom->rom_dd;
rom->rom_devtype = bus_space_read_1(memt, romh, 3);
if (rom->rom_devtype == STI_DEVTYPE1) {
dd->dd_type = bus_space_read_1(memt, romh, 0x03);
dd->dd_nmon = bus_space_read_1(memt, romh, 0x07);
dd->dd_grrev = bus_space_read_1(memt, romh, 0x0b);
dd->dd_lrrev = bus_space_read_1(memt, romh, 0x0f);
dd->dd_grid[0] = parseword(0x10);
dd->dd_grid[1] = parseword(0x20);
dd->dd_fntaddr = parseword(0x30) & ~3;
dd->dd_maxst = parseword(0x40);
dd->dd_romend = parseword(0x50) & ~3;
dd->dd_reglst = parseword(0x60) & ~3;
dd->dd_maxreent= parseshort(0x70);
dd->dd_maxtimo = parseshort(0x78);
dd->dd_montbl = parseword(0x80) & ~3;
dd->dd_udaddr = parseword(0x90) & ~3;
dd->dd_stimemreq=parseword(0xa0);
dd->dd_udsize = parseword(0xb0);
dd->dd_pwruse = parseshort(0xc0);
dd->dd_bussup = bus_space_read_1(memt, romh, 0xcb);
dd->dd_ebussup = bus_space_read_1(memt, romh, 0xcf);
dd->dd_altcodet= bus_space_read_1(memt, romh, 0xd3);
dd->dd_eddst[0]= bus_space_read_1(memt, romh, 0xd7);
dd->dd_eddst[1]= bus_space_read_1(memt, romh, 0xdb);
dd->dd_eddst[2]= bus_space_read_1(memt, romh, 0xdf);
dd->dd_cfbaddr = parseword(0xe0) & ~3;
codebase <<= 2;
dd->dd_pacode[0x0] = parseword(codebase + 0x00) & ~3;
dd->dd_pacode[0x1] = parseword(codebase + 0x10) & ~3;
dd->dd_pacode[0x2] = parseword(codebase + 0x20) & ~3;
dd->dd_pacode[0x3] = parseword(codebase + 0x30) & ~3;
dd->dd_pacode[0x4] = parseword(codebase + 0x40) & ~3;
dd->dd_pacode[0x5] = parseword(codebase + 0x50) & ~3;
dd->dd_pacode[0x6] = parseword(codebase + 0x60) & ~3;
dd->dd_pacode[0x7] = parseword(codebase + 0x70) & ~3;
dd->dd_pacode[0x8] = parseword(codebase + 0x80) & ~3;
dd->dd_pacode[0x9] = parseword(codebase + 0x90) & ~3;
dd->dd_pacode[0xa] = parseword(codebase + 0xa0) & ~3;
dd->dd_pacode[0xb] = parseword(codebase + 0xb0) & ~3;
dd->dd_pacode[0xc] = parseword(codebase + 0xc0) & ~3;
dd->dd_pacode[0xd] = parseword(codebase + 0xd0) & ~3;
dd->dd_pacode[0xe] = parseword(codebase + 0xe0) & ~3;
dd->dd_pacode[0xf] = parseword(codebase + 0xf0) & ~3;
} else { /* STI_DEVTYPE4 */
bus_space_read_region_stream_4(memt, romh, 0, (uint32_t *)dd,
sizeof(*dd) / 4);
/* fix pacode... */
bus_space_read_region_stream_4(memt, romh, codebase,
(uint32_t *)dd->dd_pacode, sizeof(dd->dd_pacode) / 4);
}
STI_DISABLE_ROM(rom->rom_softc);
DPRINTF(("dd:\n"
"devtype=%x, rev=%x;%d, altt=%x, gid=%08x%08x, font=%x, mss=%x\n"
"end=%x, regions=%x, msto=%x, timo=%d, mont=%x, user=%x[%x]\n"
"memrq=%x, pwr=%d, bus=%x, ebus=%x, cfb=%x\n"
"code=",
dd->dd_type & 0xff, dd->dd_grrev, dd->dd_lrrev, dd->dd_altcodet,
dd->dd_grid[0], dd->dd_grid[1], dd->dd_fntaddr, dd->dd_maxst,
dd->dd_romend, dd->dd_reglst, dd->dd_maxreent, dd->dd_maxtimo,
dd->dd_montbl, dd->dd_udaddr, dd->dd_udsize, dd->dd_stimemreq,
dd->dd_pwruse, dd->dd_bussup, dd->dd_ebussup, dd->dd_cfbaddr));
DPRINTF(("%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x\n",
dd->dd_pacode[0x0], dd->dd_pacode[0x1], dd->dd_pacode[0x2],
dd->dd_pacode[0x3], dd->dd_pacode[0x4], dd->dd_pacode[0x5],
dd->dd_pacode[0x6], dd->dd_pacode[0x7], dd->dd_pacode[0x8],
dd->dd_pacode[0x9], dd->dd_pacode[0xa], dd->dd_pacode[0xb],
dd->dd_pacode[0xc], dd->dd_pacode[0xd], dd->dd_pacode[0xe],
dd->dd_pacode[0xf]));
/*
* Figure out how many bytes we need for the STI code.
* Note there could be fewer than STI_END pointer entries
* populated, especially on older devices.
*/
for (i = STI_END; !dd->dd_pacode[i]; i--)
;
size = dd->dd_pacode[i] - dd->dd_pacode[STI_BEGIN];
if (rom->rom_devtype == STI_DEVTYPE1)
size = (size + 3) / 4;
if (size == 0) {
aprint_error(": no code for the requested platform\n");
return EINVAL;
}
DPRINTF(("code size %x/%x\n", size, round_page(size)));
if (!(rom->rom_code = uvm_km_alloc(kernel_map, round_page(size), 0,
UVM_KMF_WIRED))) {
aprint_error(": cannot allocate %u bytes for code\n", size);
return ENOMEM;
}
/*
* Copy code into memory and make it executable.
*/
STI_ENABLE_ROM(rom->rom_softc);
if (rom->rom_devtype == STI_DEVTYPE1) {
uint8_t *p;
uint32_t addr, eaddr;
p = (uint8_t *)rom->rom_code;
for (addr = dd->dd_pacode[STI_BEGIN], eaddr = addr + size * 4;
addr < eaddr; addr += 4 ) {
*p++ = bus_space_read_4(memt, romh, addr)
& 0xff;
}
} else { /* STI_DEVTYPE4 */
bus_space_read_region_stream_4(memt, romh,
dd->dd_pacode[STI_BEGIN], (uint32_t *)rom->rom_code,
size / 4);
}
STI_DISABLE_ROM(rom->rom_softc);
if ((error = uvm_map_protect(kernel_map, rom->rom_code,
rom->rom_code + round_page(size), UVM_PROT_RX, FALSE))) {
aprint_error(": uvm_map_protect failed (%d)\n", error);
uvm_km_free(kernel_map, rom->rom_code, round_page(size),
UVM_KMF_WIRED);
return error;
}
/*
* Setup code function pointers.
*/
#define O(i) \
(dd->dd_pacode[(i)] == 0 ? 0 : \
(rom->rom_code + (dd->dd_pacode[(i)] - dd->dd_pacode[0]) / \
(rom->rom_devtype == STI_DEVTYPE1 ? 4 : 1)))
rom->init = (sti_init_t) O(STI_INIT_GRAPH);
rom->mgmt = (sti_mgmt_t) O(STI_STATE_MGMT);
rom->unpmv = (sti_unpmv_t) O(STI_FONT_UNPMV);
rom->blkmv = (sti_blkmv_t) O(STI_BLOCK_MOVE);
rom->test = (sti_test_t) O(STI_SELF_TEST);
rom->exhdl = (sti_exhdl_t) O(STI_EXCEP_HDLR);
rom->inqconf = (sti_inqconf_t)O(STI_INQ_CONF);
rom->scment = (sti_scment_t)O(STI_SCM_ENT);
rom->dmac = (sti_dmac_t) O(STI_DMA_CTRL);
rom->flowc = (sti_flowc_t) O(STI_FLOW_CTRL);
rom->utiming = (sti_utiming_t)O(STI_UTIMING);
rom->pmgr = (sti_pmgr_t) O(STI_PROC_MGR);
rom->util = (sti_util_t) O(STI_UTIL);
#undef O
/*
* Set colormap entry is not implemented until 8.04, so force
* a NULL pointer here.
*/
if (dd->dd_grrev < STI_REVISION(8, 4)) {
rom->scment = NULL;
}
return 0;
}
/*
* Map all regions.
*/
void
sti_region_setup(struct sti_screen *scr)
{
struct sti_rom *rom = scr->scr_rom;
bus_space_tag_t memt = rom->memt;
bus_space_handle_t romh = rom->romh;
bus_addr_t *bases = rom->bases;
struct sti_dd *dd = &rom->rom_dd;
struct sti_cfg *cc = &scr->scr_cfg;
bus_space_handle_t bh;
struct sti_region regions[STI_REGION_MAX], *r;
u_int regno, regcnt;
bus_addr_t addr;
DPRINTF(("stiregions @ %x:\n", dd->dd_reglst));
/*
* Read the region information.
*/
STI_ENABLE_ROM(rom->rom_softc);
if (rom->rom_devtype == STI_DEVTYPE1) {
for (regno = 0; regno < STI_REGION_MAX; regno++)
*(u_int *)(regions + regno) =
parseword(dd->dd_reglst + regno * 0x10);
} else {
bus_space_read_region_stream_4(memt, romh, dd->dd_reglst,
(uint32_t *)regions, sizeof(regions) / 4);
}
STI_DISABLE_ROM(rom->rom_softc);
/*
* Count them.
*/
for (regcnt = 0, r = regions; regcnt < STI_REGION_MAX; regcnt++, r++)
if (r->last)
break;
regcnt++;
/*
* Map them.
*/
for (regno = 0, r = regions; regno < regcnt; regno++, r++) {
if (r->length == 0)
continue;
/*
* Assume an existing mapping exists.
*/
addr = bases[regno] + (r->offset << PGSHIFT);
DPRINTF(("%08x @ 0x%08x%s%s%s%s",
r->length << PGSHIFT, (int)addr, r->sys_only ? " sys" : "",
r->cache ? " cache" : "", r->btlb ? " btlb" : "",
r->last ? " last" : ""));
/*
* Region #0 is always the rom, and it should have been
* mapped already.
* XXX This expects a 1:1 mapping...
*/
if (regno == 0 && romh == bases[0]) {
cc->regions[0] = addr;
DPRINTF(("\n"));
continue;
}
/* XXXNH BUS_SPACE_MAP_CACHEABLE */
if (bus_space_map(memt, addr, r->length << PGSHIFT,
r->cache ? BUS_SPACE_MAP_CACHEABLE : 0, &bh)) {
DPRINTF((" - already mapped region\n"));
} else {
/* XXX should use bus_space_vaddr */
addr = (bus_addr_t)bh;
if (regno == 1) {
DPRINTF((" - fb"));
scr->fbaddr = addr;
scr->fblen = r->length << PGSHIFT;
}
DPRINTF(("\n"));
}
cc->regions[regno] = addr;
}
#ifdef STIDEBUG
/*
* Make sure we'll trap accessing unmapped regions
*/
for (regno = 0; regno < STI_REGION_MAX; regno++)
if (cc->regions[regno] == 0)
cc->regions[regno] = 0x81234567;
#endif
}
int
sti_screen_setup(struct sti_screen *scr, int flags)
{
struct sti_rom *rom = scr->scr_rom;
bus_space_tag_t memt = rom->memt;
bus_space_handle_t romh = rom->romh;
struct sti_dd *dd = &rom->rom_dd;
struct sti_cfg *cc = &scr->scr_cfg;
struct sti_inqconfout cfg;
struct sti_einqconfout ecfg;
#ifdef STIDEBUG
char buf[256];
#endif
int error, i;
int geometry_kluge = 0;
u_int fontindex = 0;
KASSERT(scr != NULL);
memset(cc, 0, sizeof(*cc));
cc->ext_cfg = &scr->scr_ecfg;
memset(cc->ext_cfg, 0, sizeof(*cc->ext_cfg));
if (dd->dd_stimemreq) {
scr->scr_ecfg.addr =
malloc(dd->dd_stimemreq, M_DEVBUF, M_NOWAIT);
if (!scr->scr_ecfg.addr) {
aprint_error("cannot allocate %d bytes for STI\n",
dd->dd_stimemreq);
return ENOMEM;
}
}
sti_region_setup(scr);
if ((error = sti_init(scr, 0))) {
aprint_error(": cannot initialize (%d)\n", error);
goto fail;
}
memset(&cfg, 0, sizeof(cfg));
memset(&ecfg, 0, sizeof(ecfg));
cfg.ext = &ecfg;
if ((error = sti_inqcfg(scr, &cfg))) {
aprint_error(": error %d inquiring config\n", error);
goto fail;
}
/*
* Older (rev 8.02) boards report wrong offset values,
* similar to the displayable area size, at least in m68k mode.
* Attempt to detect this and adjust here.
*/
if (cfg.owidth == cfg.width &&
cfg.oheight == cfg.height)
geometry_kluge = 1;
if (geometry_kluge) {
scr->scr_cfg.oscr_width = cfg.owidth =
cfg.fbwidth - cfg.width;
scr->scr_cfg.oscr_height = cfg.oheight =
cfg.fbheight - cfg.height;
}
/*
* Save a few fields for sti_describe_screen() later
*/
scr->fbheight = cfg.fbheight;
scr->fbwidth = cfg.fbwidth;
scr->oheight = cfg.oheight;
scr->owidth = cfg.owidth;
memcpy(scr->name, cfg.name, sizeof(scr->name));
if ((error = sti_init(scr, STI_TEXTMODE | flags))) {
aprint_error(": cannot initialize (%d)\n", error);
goto fail;
}
#ifdef STIDEBUG
snprintb(buf, sizeof(buf), STI_INQCONF_BITS, cfg.attributes);
DPRINTF(("conf: bpp=%d planes=%d attr=%s\n"
"crt=0x%x:0x%x:0x%x hw=0x%x:0x%x:0x%x\n", cfg.bpp,
cfg.planes, buf,
ecfg.crt_config[0], ecfg.crt_config[1], ecfg.crt_config[2],
ecfg.crt_hw[0], ecfg.crt_hw[1], ecfg.crt_hw[2]));
#endif
scr->scr_bpp = cfg.bppu;
/*
* Although scr->scr_ecfg.current_monitor is not filled by
* sti_init() as expected, we can nevertheless walk the monitor
* list, if there is any, and if we find a mode matching our
* resolution, pick its font index.
*/
if (dd->dd_montbl != 0) {
STI_ENABLE_ROM(rom->rom_softc);
for (i = 0; i < dd->dd_nmon; i++) {
u_int offs = dd->dd_montbl + 8 * i;
uint32_t m[2];
sti_mon_t mon = (void *)m;
if (rom->rom_devtype == STI_DEVTYPE1) {
m[0] = parseword(4 * offs);
m[1] = parseword(4 * (offs + 4));
} else {
bus_space_read_region_stream_4(memt, romh, offs,
(uint32_t *)mon, sizeof(*mon) / 4);
}
if (mon->width == scr->scr_cfg.scr_width &&
mon->height == scr->scr_cfg.scr_height) {
fontindex = mon->font;
break;
}
}
STI_DISABLE_ROM(rom->rom_softc);
DPRINTF(("font index: %d\n", fontindex));
}
if ((error = sti_fetchfonts(scr, &cfg, dd->dd_fntaddr, fontindex))) {
aprint_error(": cannot fetch fonts (%d)\n", error);
goto fail;
}
/*
* setup screen descriptions:
* figure number of fonts supported;
* allocate wscons structures;
* calculate dimensions.
*/
scr->scr_wsd.name = "std";
scr->scr_wsd.ncols = cfg.width / scr->scr_curfont.width;
scr->scr_wsd.nrows = cfg.height / scr->scr_curfont.height;
scr->scr_wsd.textops = &sti_emulops;
scr->scr_wsd.fontwidth = scr->scr_curfont.width;
scr->scr_wsd.fontheight = scr->scr_curfont.height;
scr->scr_wsd.capabilities = WSSCREEN_REVERSE | WSSCREEN_UNDERLINE;
scr->scr_scrlist[0] = &scr->scr_wsd;
scr->scr_screenlist.nscreens = 1;
scr->scr_screenlist.screens =
(const struct wsscreen_descr **)scr->scr_scrlist;
return 0;
fail:
/* XXX free resources */
if (scr->scr_ecfg.addr != NULL) {
free(scr->scr_ecfg.addr, M_DEVBUF);
scr->scr_ecfg.addr = NULL;
}
return ENXIO;
}
void
sti_describe_screen(struct sti_softc *sc, struct sti_screen *scr)
{
struct sti_font *fp = &scr->scr_curfont;
aprint_normal("%s: %s, %dx%d frame buffer, %dx%dx%d display\n",
device_xname(sc->sc_dev), scr->name, scr->fbwidth, scr->fbheight,
scr->scr_cfg.scr_width, scr->scr_cfg.scr_height, scr->scr_bpp);
aprint_normal("%s: %dx%d font type %d, %d bpc, charset %d-%d\n",
device_xname(sc->sc_dev), fp->width, fp->height,
fp->type, fp->bpc, fp->first, fp->last);
}
void
sti_describe(struct sti_softc *sc)
{
struct sti_rom *rom = sc->sc_rom;
struct sti_dd *dd = &rom->rom_dd;
aprint_normal(": rev %d.%02d;%d, ID 0x%08X%08X\n",
dd->dd_grrev >> 4, dd->dd_grrev & 0xf,
dd->dd_lrrev, dd->dd_grid[0], dd->dd_grid[1]);
if (sc->sc_scr != NULL)
sti_describe_screen(sc, sc->sc_scr);
}
void
sti_end_attach(struct sti_softc *sc)
{
struct sti_screen *scr = sc->sc_scr;
if (scr == NULL)
return;
#if NWSDISPLAY > 0
else {
struct wsemuldisplaydev_attach_args waa;
scr->scr_wsmode = WSDISPLAYIO_MODE_EMUL;
waa.console = sc->sc_flags & STI_CONSOLE ? 1 : 0;
waa.scrdata = &scr->scr_screenlist;
waa.accessops = &sti_accessops;
waa.accesscookie = scr;
/* attach as console if required */
if (waa.console && !ISSET(sc->sc_flags, STI_ATTACHED)) {
long defattr;
sti_alloc_attr(scr, 0, 0, 0, &defattr);
wsdisplay_cnattach(&scr->scr_wsd, scr,
0, scr->scr_wsd.nrows - 1, defattr);
sc->sc_flags |= STI_ATTACHED;
}
config_found(sc->sc_dev, &waa, wsemuldisplaydevprint);
}
#endif
}
u_int
sti_rom_size(bus_space_tag_t memt, bus_space_handle_t romh)
{
int devtype;
u_int romend;
devtype = bus_space_read_1(memt, romh, 3);
if (devtype == STI_DEVTYPE4) {
bus_space_read_region_stream_4(memt, romh, STI_DEV4_DD_ROMEND,
(uint32_t *)&romend, 1);
} else {
romend = parseword(STI_DEV1_DD_ROMEND);
}
DPRINTF(("%s: %08x (%08x)\n", __func__, romend, round_page(romend)));
return round_page(romend);
}
int
sti_fetchfonts(struct sti_screen *scr, struct sti_inqconfout *cfg,
uint32_t baseaddr, u_int fontindex)
{
struct sti_rom *rom = scr->scr_rom;
bus_space_tag_t memt = rom->memt;
bus_space_handle_t romh = rom->romh;
struct sti_font *fp = &scr->scr_curfont;
uint32_t addr;
int size;
#ifdef notyet
int uc;
struct {
struct sti_unpmvflags flags;
struct sti_unpmvin in;
struct sti_unpmvout out;
} a;
#endif
/*
* Get the first PROM font in memory
*/
STI_ENABLE_ROM(rom->rom_softc);
rescan:
addr = baseaddr;
do {
if (rom->rom_devtype == STI_DEVTYPE1) {
fp->first = parseshort(addr + 0x00);
fp->last = parseshort(addr + 0x08);
fp->width = bus_space_read_1(memt, romh, addr + 0x13);
fp->height = bus_space_read_1(memt, romh, addr + 0x17);
fp->type = bus_space_read_1(memt, romh, addr + 0x1b);
fp->bpc = bus_space_read_1(memt, romh, addr + 0x1f);
fp->next = parseword(addr + 0x20);
fp->uheight= bus_space_read_1(memt, romh, addr + 0x33);
fp->uoffset= bus_space_read_1(memt, romh, addr + 0x37);
} else { /* STI_DEVTYPE4 */
bus_space_read_region_stream_4(memt, romh, addr,
(uint32_t *)fp, sizeof(struct sti_font) / 4);
}
#ifdef STIDEBUG
STI_DISABLE_ROM(rom->rom_softc);
DPRINTF(("%s: %dx%d font type %d, %d bpc, charset %d-%d\n",
device_xname(scr->scr_rom->rom_softc->sc_dev), fp->width,
fp->height, fp->type, fp->bpc, fp->first, fp->last));
STI_ENABLE_ROM(rom->rom_softc);
#endif
if (fontindex == 0) {
size = sizeof(struct sti_font) +
(fp->last - fp->first + 1) * fp->bpc;
if (rom->rom_devtype == STI_DEVTYPE1)
size *= 4;
scr->scr_romfont = malloc(size, M_DEVBUF, M_NOWAIT);
if (scr->scr_romfont == NULL)
return ENOMEM;
bus_space_read_region_stream_4(memt, romh, addr,
(uint32_t *)scr->scr_romfont, size / 4);
break;
}
addr = baseaddr + fp->next;
fontindex--;
} while (fp->next != 0);
/*
* If our font index was bogus, we did not find the expected font.
* In this case, pick the first one and be done with it.
*/
if (fp->next == 0 && scr->scr_romfont == NULL) {
fontindex = 0;
goto rescan;
}
STI_DISABLE_ROM(rom->rom_softc);
#ifdef notyet
/*
* If there is enough room in the off-screen framebuffer memory,
* display all the characters there in order to display them
* faster with blkmv operations rather than unpmv later on.
*/
if (size <= cfg->fbheight *
(cfg->fbwidth - cfg->width - cfg->owidth)) {
memset(&a, 0, sizeof(a));
a.flags.flags = STI_UNPMVF_WAIT;
a.in.fg_colour = STI_COLOUR_WHITE;
a.in.bg_colour = STI_COLOUR_BLACK;
a.in.font_addr = scr->scr_romfont;
scr->scr_fontmaxcol = cfg->fbheight / fp->height;
scr->scr_fontbase = cfg->width + cfg->owidth;
for (uc = fp->first; uc <= fp->last; uc++) {
a.in.x = ((uc - fp->first) / scr->scr_fontmaxcol) *
fp->width + scr->scr_fontbase;
a.in.y = ((uc - fp->first) % scr->scr_fontmaxcol) *
fp->height;
a.in.index = uc;
(*scr->unpmv)(&a.flags, &a.in, &a.out, &scr->scr_cfg);
if (a.out.errno) {
aprint_error_dev(sc->sc_dev, "unpmv %d "
"returned %d\n", uc, a.out.errno);
return 0;
}
}
free(scr->scr_romfont, M_DEVBUF);
scr->scr_romfont = NULL;
}
#endif
return 0;
}
/*
* Wrappers around STI code pointers
*/
int
sti_init(struct sti_screen *scr, int mode)
{
struct sti_rom *rom = scr->scr_rom;
struct {
struct sti_initflags flags;
struct sti_initin in;
struct sti_einitin ein;
struct sti_initout out;
} a;
KASSERT(rom != NULL);
memset(&a, 0, sizeof(a));
a.flags.flags = STI_INITF_WAIT | STI_INITF_CMB | STI_INITF_EBET |
(mode & STI_TEXTMODE ? STI_INITF_TEXT | STI_INITF_PBET |
STI_INITF_PBETI | STI_INITF_ICMT : 0) |
(mode & STI_CLEARSCR ? STI_INITF_CLEAR : 0);
a.in.text_planes = 1;
a.in.ext_in = &a.ein;
DPRINTF(("%s: init,%p(%x, %p, %p, %p)\n",
device_xname(rom->rom_softc->sc_dev), rom->init, a.flags.flags,
&a.in, &a.out, &scr->scr_cfg));
(*rom->init)(&a.flags, &a.in, &a.out, &scr->scr_cfg);
if (a.out.text_planes != a.in.text_planes)
return -1; /* not colliding with sti errno values */
return a.out.errno;
}
int
sti_inqcfg(struct sti_screen *scr, struct sti_inqconfout *out)
{
struct sti_rom *rom = scr->scr_rom;
struct {
struct sti_inqconfflags flags;
struct sti_inqconfin in;
} a;
memset(&a, 0, sizeof(a));
a.flags.flags = STI_INQCONFF_WAIT;
(*rom->inqconf)(&a.flags, &a.in, out, &scr->scr_cfg);
return out->errno;
}
void
sti_bmove(struct sti_screen *scr, int x1, int y1, int x2, int y2, int h, int w,
enum sti_bmove_funcs f)
{
struct sti_rom *rom = scr->scr_rom;
struct {
struct sti_blkmvflags flags;
struct sti_blkmvin in;
struct sti_blkmvout out;
} a;
memset(&a, 0, sizeof(a));
a.flags.flags = STI_BLKMVF_WAIT;
switch (f) {
case bmf_clear:
a.flags.flags |= STI_BLKMVF_CLR;
a.in.bg_colour = STI_COLOUR_BLACK;
break;
case bmf_underline:
case bmf_copy:
a.in.fg_colour = STI_COLOUR_WHITE;
a.in.bg_colour = STI_COLOUR_BLACK;
break;
case bmf_invert:
a.flags.flags |= STI_BLKMVF_COLR;
a.in.fg_colour = STI_COLOUR_BLACK;
a.in.bg_colour = STI_COLOUR_WHITE;
break;
}
a.in.srcx = x1;
a.in.srcy = y1;
a.in.dstx = x2;
a.in.dsty = y2;
a.in.height = h;
a.in.width = w;
(*rom->blkmv)(&a.flags, &a.in, &a.out, &scr->scr_cfg);
#ifdef STIDEBUG
if (a.out.errno)
printf("%s: blkmv returned %d\n",
device_xname(rom->rom_softc->sc_dev), a.out.errno);
#endif
}
int
sti_setcment(struct sti_screen *scr, u_int i, u_char r, u_char g, u_char b)
{
struct sti_rom *rom = scr->scr_rom;
struct {
struct sti_scmentflags flags;
struct sti_scmentin in;
struct sti_scmentout out;
} a;
memset(&a, 0, sizeof(a));
a.flags.flags = STI_SCMENTF_WAIT;
a.in.entry = i;
a.in.value = (r << 16) | (g << 8) | b;
(*rom->scment)(&a.flags, &a.in, &a.out, &scr->scr_cfg);
return a.out.errno;
}
/*
* wsdisplay accessops
*/
int
sti_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l)
{
struct sti_screen *scr = (struct sti_screen *)v;
struct sti_rom *rom = scr->scr_rom;
struct wsdisplay_fbinfo *wdf;
struct wsdisplay_cmap *cmapp;
u_int mode, idx, count;
int i, ret;
ret = 0;
switch (cmd) {
case WSDISPLAYIO_GMODE:
*(u_int *)data = scr->scr_wsmode;
break;
case WSDISPLAYIO_SMODE:
mode = *(u_int *)data;
if (scr->scr_wsmode == WSDISPLAYIO_MODE_EMUL &&
mode == WSDISPLAYIO_MODE_DUMBFB)
ret = sti_init(scr, 0);
else if (scr->scr_wsmode == WSDISPLAYIO_MODE_DUMBFB &&
mode == WSDISPLAYIO_MODE_EMUL)
ret = sti_init(scr, STI_TEXTMODE);
scr->scr_wsmode = mode;
break;
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_STI;
break;
case WSDISPLAYIO_GINFO:
wdf = (struct wsdisplay_fbinfo *)data;
wdf->height = scr->scr_cfg.scr_height;
wdf->width = scr->scr_cfg.scr_width;
wdf->depth = scr->scr_bpp;
if (rom->scment == NULL)
wdf->cmsize = 0;
else
wdf->cmsize = STI_NCMAP;
break;
case WSDISPLAYIO_LINEBYTES:
*(u_int *)data = scr->scr_cfg.fb_width;
break;
case WSDISPLAYIO_GETCMAP:
if (rom->scment == NULL)
return ENOTTY;
cmapp = (struct wsdisplay_cmap *)data;
idx = cmapp->index;
count = cmapp->count;
if (idx >= STI_NCMAP || idx + count > STI_NCMAP)
return EINVAL;
if ((ret = copyout(&scr->scr_rcmap[idx], cmapp->red, count)))
break;
if ((ret = copyout(&scr->scr_gcmap[idx], cmapp->green, count)))
break;
if ((ret = copyout(&scr->scr_bcmap[idx], cmapp->blue, count)))
break;
break;
case WSDISPLAYIO_PUTCMAP:
if (rom->scment == NULL)
return ENOTTY;
cmapp = (struct wsdisplay_cmap *)data;
idx = cmapp->index;
count = cmapp->count;
if (idx >= STI_NCMAP || idx + count > STI_NCMAP)
return EINVAL;
if ((ret = copyin(cmapp->red, &scr->scr_rcmap[idx], count)))
break;
if ((ret = copyin(cmapp->green, &scr->scr_gcmap[idx], count)))
break;
if ((ret = copyin(cmapp->blue, &scr->scr_bcmap[idx], count)))
break;
for (i = idx + count - 1; i >= idx; i--)
if ((ret = sti_setcment(scr, i, scr->scr_rcmap[i],
scr->scr_gcmap[i], scr->scr_bcmap[i]))) {
DPRINTF(("sti_ioctl: "
"sti_setcment(%d, %u, %u, %u): %%d\n", i,
(u_int)scr->scr_rcmap[i],
(u_int)scr->scr_gcmap[i],
(u_int)scr->scr_bcmap[i]));
ret = EINVAL;
break;
}
break;
case WSDISPLAYIO_SVIDEO:
case WSDISPLAYIO_GVIDEO:
case WSDISPLAYIO_GCURPOS:
case WSDISPLAYIO_SCURPOS:
case WSDISPLAYIO_GCURMAX:
case WSDISPLAYIO_GCURSOR:
case WSDISPLAYIO_SCURSOR:
default:
return ENOTTY; /* not supported yet */
}
return ret;
}
paddr_t
sti_mmap(void *v, void *vs, off_t offset, int prot)
{
#if 0
struct sti_screen *scr = (struct sti_screen *)v;
#endif
/* XXX not finished */
return -1;
}
int
sti_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
int *cxp, int *cyp, long *defattr)
{
struct sti_screen *scr = (struct sti_screen *)v;
if (scr->scr_nscreens > 0)
return ENOMEM;
*cookiep = scr;
*cxp = 0;
*cyp = 0;
sti_alloc_attr(scr, 0, 0, 0, defattr);
scr->scr_nscreens++;
return 0;
}
void
sti_free_screen(void *v, void *cookie)
{
struct sti_screen *scr = (struct sti_screen *)v;
scr->scr_nscreens--;
}
int
sti_show_screen(void *v, void *cookie, int waitok, void (*cb)(void *, int, int),
void *cbarg)
{
#if 0
struct sti_screen *scr = (struct sti_screen *)v;
#endif
return 0;
}
int
sti_load_font(void *v, void *cookie, struct wsdisplay_font *font)
{
#if 0
struct sti_screen *scr = (struct sti_screen *)v;
#endif
return -1;
}
/*
* wsdisplay emulops
*/
void
sti_cursor(void *v, int on, int row, int col)
{
struct sti_screen *scr = (struct sti_screen *)v;
struct sti_font *fp = &scr->scr_curfont;
sti_bmove(scr, col * fp->width, row * fp->height, col * fp->width,
row * fp->height, fp->height, fp->width, bmf_invert);
}
/*
* ISO 8859-1 part of Unicode to HP Roman font index conversion array.
*/
static const uint8_t
sti_unitoroman[0x100 - 0xa0] = {
0xa0, 0xb8, 0xbf, 0xbb, 0xba, 0xbc, 0, 0xbd,
0xab, 0, 0xf9, 0xfb, 0, 0xf6, 0, 0xb0,
0xb3, 0xfe, 0, 0, 0xa8, 0xf3, 0xf4, 0xf2,
0, 0, 0xfa, 0xfd, 0xf7, 0xf8, 0, 0xb9,
0xa1, 0xe0, 0xa2, 0xe1, 0xd8, 0xd0, 0xd3, 0xb4,
0xa3, 0xdc, 0xa4, 0xa5, 0xe6, 0xe5, 0xa6, 0xa7,
0xe3, 0xb6, 0xe8, 0xe7, 0xdf, 0xe9, 0xda, 0,
0xd2, 0xad, 0xed, 0xae, 0xdb, 0xb1, 0xf0, 0xde,
0xc8, 0xc4, 0xc0, 0xe2, 0xcc, 0xd4, 0xd7, 0xb5,
0xc9, 0xc5, 0xc1, 0xcd, 0xd9, 0xd5, 0xd1, 0xdd,
0xe4, 0xb7, 0xca, 0xc6, 0xc2, 0xea, 0xce, 0,
0xd6, 0xcb, 0xc7, 0xc3, 0xcf, 0xb2, 0xf1, 0xef
};
int
sti_mapchar(void *v, int uni, u_int *index)
{
struct sti_screen *scr = (struct sti_screen *)v;
struct sti_font *fp = &scr->scr_curfont;
int c;
switch (fp->type) {
case STI_FONT_HPROMAN8:
if (uni >= 0x80 && uni < 0xa0)
c = -1;
else if (uni >= 0xa0 && uni < 0x100) {
c = (int)sti_unitoroman[uni - 0xa0];
if (c == 0)
c = -1;
} else
c = uni;
break;
default:
c = uni;
break;
}
if (c == -1 || c < fp->first || c > fp->last) {
*index = ' ';
return 0;
}
*index = c;
return 5;
}
void
sti_putchar(void *v, int row, int col, u_int uc, long attr)
{
struct sti_screen *scr = (struct sti_screen *)v;
struct sti_rom *rom = scr->scr_rom;
struct sti_font *fp = &scr->scr_curfont;
if (scr->scr_romfont != NULL) {
/*
* Font is in memory, use unpmv
*/
struct {
struct sti_unpmvflags flags;
struct sti_unpmvin in;
struct sti_unpmvout out;
} a;
memset(&a, 0, sizeof(a));
a.flags.flags = STI_UNPMVF_WAIT;
/* XXX does not handle text attributes */
a.in.fg_colour = STI_COLOUR_WHITE;
a.in.bg_colour = STI_COLOUR_BLACK;
a.in.x = col * fp->width;
a.in.y = row * fp->height;
a.in.font_addr = scr->scr_romfont;
a.in.index = uc;
(*rom->unpmv)(&a.flags, &a.in, &a.out, &scr->scr_cfg);
} else {
/*
* Font is in frame buffer, use blkmv
*/
struct {
struct sti_blkmvflags flags;
struct sti_blkmvin in;
struct sti_blkmvout out;
} a;
memset(&a, 0, sizeof(a));
a.flags.flags = STI_BLKMVF_WAIT;
/* XXX does not handle text attributes */
a.in.fg_colour = STI_COLOUR_WHITE;
a.in.bg_colour = STI_COLOUR_BLACK;
a.in.srcx = ((uc - fp->first) / scr->scr_fontmaxcol) *
fp->width + scr->scr_fontbase;
a.in.srcy = ((uc - fp->first) % scr->scr_fontmaxcol) *
fp->height;
a.in.dstx = col * fp->width;
a.in.dsty = row * fp->height;
a.in.height = fp->height;
a.in.width = fp->width;
(*rom->blkmv)(&a.flags, &a.in, &a.out, &scr->scr_cfg);
}
}
void
sti_copycols(void *v, int row, int srccol, int dstcol, int ncols)
{
struct sti_screen *scr = (struct sti_screen *)v;
struct sti_font *fp = &scr->scr_curfont;
sti_bmove(scr, srccol * fp->width, row * fp->height, dstcol * fp->width,
row * fp->height, fp->height, ncols * fp->width, bmf_copy);
}
void
sti_erasecols(void *v, int row, int startcol, int ncols, long attr)
{
struct sti_screen *scr = (struct sti_screen *)v;
struct sti_font *fp = &scr->scr_curfont;
sti_bmove(scr, startcol * fp->width, row * fp->height,
startcol * fp->width, row * fp->height, fp->height,
ncols * fp->width, bmf_clear);
}
void
sti_copyrows(void *v, int srcrow, int dstrow, int nrows)
{
struct sti_screen *scr = (struct sti_screen *)v;
struct sti_font *fp = &scr->scr_curfont;
sti_bmove(scr, 0, srcrow * fp->height, 0, dstrow * fp->height,
nrows * fp->height, scr->scr_cfg.scr_width, bmf_copy);
}
void
sti_eraserows(void *v, int srcrow, int nrows, long attr)
{
struct sti_screen *scr = (struct sti_screen *)v;
struct sti_font *fp = &scr->scr_curfont;
sti_bmove(scr, 0, srcrow * fp->height, 0, srcrow * fp->height,
nrows * fp->height, scr->scr_cfg.scr_width, bmf_clear);
}
int
sti_alloc_attr(void *v, int fg, int bg, int flags, long *pattr)
{
#if 0
struct sti_screen *scr = (struct sti_screen *)v;
#endif
*pattr = 0;
return 0;
}
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