(mostly) update for new PCI and 'bus' interfaces.

This commit is contained in:
cgd 1996-04-12 04:32:10 +00:00
parent b26a595361
commit be813334f8
2 changed files with 211 additions and 167 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: pcivga.c,v 1.5 1996/03/17 01:06:34 thorpej Exp $ */
/* $NetBSD: pcivga.c,v 1.6 1996/04/12 04:32:10 cgd Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
@ -36,42 +36,41 @@
#include <machine/autoconf.h>
#include <machine/pte.h>
#include <dev/pseudo/ansicons.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <alpha/pci/pcivgavar.h>
#include <alpha/pci/wsconsvar.h>
#include <alpha/wscons/wsconsvar.h>
#define PCIVGA_6845_ADDR 0x24
#define PCIVGA_6845_DATA 0x25
int pcivgamatch __P((struct device *, void *, void *));
void pcivgaattach __P((struct device *, struct device *, void *));
int pcivgaprint __P((void *, char *));
struct cfdriver pcivga_ca = {
pcivgamatch, pcivgaattach
struct cfattach pcivga_ca = {
sizeof(struct pcivga_softc), pcivgamatch, pcivgaattach,
};
struct cfdriver pcivga_cd = {
NULL, "pcivga", DV_DULL, sizeof(struct pcivga_softc)
NULL, "pcivga", DV_DULL,
};
void pcivga_getdevconfig __P((__const struct pci_conf_fns *, void *,
__const struct pci_mem_fns *, void *,
__const struct pci_pio_fns *, void *,
pci_conftag_t tag, struct pcivga_devconfig *dc));
void pcivga_getdevconfig __P((bus_chipset_tag_t, pci_chipset_tag_t,
pcitag_t, struct pcivga_devconfig *dc));
struct pcivga_devconfig pcivga_console_dc;
void pcivga_cursor __P((void *, int, int));
void pcivga_cursor __P((void *, int, int, int));
void pcivga_putstr __P((void *, int, int, char *, int));
void pcivga_copycols __P((void *, int, int, int,int));
void pcivga_erasecols __P((void *, int, int, int));
void pcivga_copyrows __P((void *, int, int, int));
void pcivga_eraserows __P((void *, int, int));
void pcivga_bell __P((void *)); /* XXX */
struct ansicons_functions pcivga_acf = {
pcivga_bell,
struct wscons_emulfuncs pcivga_emulfuncs = {
pcivga_cursor,
pcivga_putstr,
pcivga_copycols,
@ -80,7 +79,9 @@ struct ansicons_functions pcivga_acf = {
pcivga_eraserows,
};
#define PCIVGAUNIT(dev) minor(dev)
int pcivgaioctl __P((struct device *, u_long, caddr_t, int,
struct proc *));
int pcivgammap __P((struct device *, off_t, int));
int
pcivgamatch(parent, match, aux)
@ -88,55 +89,71 @@ pcivgamatch(parent, match, aux)
void *match, *aux;
{
struct cfdata *cf = match;
struct pcidev_attach_args *pda = aux;
struct pci_attach_args *pa = aux;
/*
* If it's prehistoric/vga or display/vga, we match.
*/
if (PCI_CLASS(pda->pda_class) == PCI_CLASS_PREHISTORIC &&
PCI_SUBCLASS(pda->pda_class) == PCI_SUBCLASS_PREHISTORIC_VGA)
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_PREHISTORIC &&
PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_PREHISTORIC_VGA)
return (1);
if (PCI_CLASS(pda->pda_class) == PCI_CLASS_DISPLAY &&
PCI_SUBCLASS(pda->pda_class) == PCI_SUBCLASS_DISPLAY_VGA)
if (PCI_CLASS(pa->pa_class) == PCI_CLASS_DISPLAY &&
PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_DISPLAY_VGA)
return (1);
return (0);
}
void
pcivga_getdevconfig(pcf, pcfa, pmf, pmfa, ppf, ppfa, tag, dc)
__const struct pci_conf_fns *pcf;
__const struct pci_mem_fns *pmf;
__const struct pci_pio_fns *ppf;
void *pcfa, *pmfa, *ppfa;
pci_conftag_t tag;
pcivga_getdevconfig(bc, pc, tag, dc)
bus_chipset_tag_t bc;
pci_chipset_tag_t pc;
pcitag_t tag;
struct pcivga_devconfig *dc;
{
bus_io_handle_t ioh;
int cpos;
dc->dc_pcf = pcf;
dc->dc_pcfa = pcfa;
dc->dc_pmf = pmf;
dc->dc_pmfa = pmfa;
dc->dc_ppf = ppf;
dc->dc_ppfa = ppfa;
dc->dc_bc = bc;
dc->dc_pc = pc;
dc->dc_pcitag = tag;
/* XXX deal with mapping foo */
/* XXX */
dc->dc_crtat = (u_short *)PCI_MEM_MAP(pmf, pmfa, 0xb8000, 0x8000, 1);
dc->dc_iobase = 0x3d4; /* XXX */
if (bus_mem_map(bc, 0xb8000, 0x8000, 0, &dc->dc_memh))
panic("pcivga_getdevconfig: couldn't map memory");
if (bus_io_map(bc, 0x3b0, 0x30, &ioh))
panic("pcivga_getdevconfig: couldn't map io");
dc->dc_ioh = ioh;
dc->dc_nrow = 25;
dc->dc_ncol = 80;
dc->dc_ccol = dc->dc_crow = 0;
bus_io_write_1(bc, ioh, PCIVGA_6845_ADDR, 14);
cpos = bus_io_read_1(bc, ioh, PCIVGA_6845_DATA) << 8;
bus_io_write_1(bc, ioh, PCIVGA_6845_ADDR, 15);
cpos |= bus_io_read_1(bc, ioh, PCIVGA_6845_DATA);
dc->dc_crow = cpos / dc->dc_ncol;
dc->dc_ccol = cpos % dc->dc_ncol;
dc->dc_so = 0;
#if 0
dc->dc_at = 0x00 | 0xf; /* black bg | white fg */
dc->dc_so_at = 0x00 | 0xf | 0x80; /* black bg | white fg | blink */
/* clear screen, frob cursor, etc.? */
pcivga_eraserows(dc, 0, dc->dc_nrow);
#endif
/*
* XXX DEC HAS SWITCHED THE CODES FOR BLUE AND RED!!!
* XXX Therefore, though the comments say "blue bg", the code uses
* XXX the value for a red background!
*/
dc->dc_at = 0x40 | 0x0f; /* blue bg | white fg */
dc->dc_so_at = 0x40 | 0x0f | 0x80; /* blue bg | white fg | blink */
}
void
@ -144,29 +161,26 @@ pcivgaattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct pcidev_attach_args *pda = aux;
struct pci_attach_args *pa = aux;
struct pcivga_softc *sc = (struct pcivga_softc *)self;
struct wscons_attach_args waa;
struct wscons_odev_spec *wo;
char devinfo[256];
int console;
console = (pda->pda_tag == pcivga_console_dc.dc_pcitag);
console = (pa->pa_tag == pcivga_console_dc.dc_pcitag);
if (console)
sc->sc_dc = &pcivga_console_dc;
else {
sc->sc_dc = (struct pcivga_devconfig *)
malloc(sizeof(struct pcivga_devconfig), M_DEVBUF, M_WAITOK);
pcivga_getdevconfig(pda->pda_conffns, pda->pda_confarg,
pda->pda_memfns, pda->pda_memarg, pda->pda_piofns,
pda->pda_memarg, pda->pda_tag, sc->sc_dc);
}
if (sc->sc_dc->dc_crtat == NULL) {
printf(": couldn't map memory space; punt!\n");
return;
pcivga_getdevconfig(pa->pa_bc, pa->pa_pc, pa->pa_tag,
sc->sc_dc);
}
pci_devinfo(pda->pda_id, pda->pda_class, 0, devinfo);
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
printf(": %s (rev. 0x%02x)\n", devinfo,
PCI_REVISION(pda->pda_class));
PCI_REVISION(pa->pa_class));
#if 0
if (sc->sc_dc->dc_tgaconf == NULL) {
@ -190,86 +204,113 @@ pcivgaattach(parent, self, aux)
}
#endif
if (!wscattach_output(self, console, &sc->sc_dc->dc_ansicons,
&pcivga_acf, sc->sc_dc, sc->sc_dc->dc_nrow, sc->sc_dc->dc_ncol,
0, 0)) {
panic("pcivgaattach: wscattach failed");
/* NOTREACHED */
}
waa.waa_isconsole = console;
wo = &waa.waa_odev_spec;
wo->wo_ef = &pcivga_emulfuncs;
wo->wo_efa = sc->sc_dc;
wo->wo_nrows = sc->sc_dc->dc_nrow;
wo->wo_ncols = sc->sc_dc->dc_ncol;
wo->wo_crow = sc->sc_dc->dc_crow;
wo->wo_ccol = sc->sc_dc->dc_ccol;
wo->wo_ioctl = pcivgaioctl;
wo->wo_mmap = pcivgammap;
config_found(self, &waa, pcivgaprint);
}
#if 0
int
tgammap(dev, offset, nprot)
dev_t dev;
int offset;
int nprot;
pcivgaprint(aux, pnp)
void *aux;
char *pnp;
{
struct pcivga_softc *sc = pcivga_cd.cd_devs[TGAUNIT(dev)];
if (offset > sc->sc_dc->dc_pcivgaconf->pcivgac_cspace_size)
return -1;
return alpha_btop(sc->sc_dc->dc_paddr + offset);
if (pnp)
printf("wscons at %s", pnp);
return (UNCONF);
}
int
pcivgaioctl(dev, cmd, data, flag, p)
struct device *dev;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
return -1; /* XXX */
}
int
pcivgammap(dev, offset, prot)
struct device *dev;
off_t offset;
int prot;
{
struct pcivga_softc *sc = (struct pcivga_softc *)dev;
int rv;
rv = -1;
#if 0 /* XXX */
if (offset >= 0 && offset < 0x100000) { /* 1MB */
/* Deal with mapping the VGA memory */
if (offset >= 0xb8000 && offset < 0xc0000) {
offset -= 0xb8000;
rv = alpha_btop(k0segtophys(sc->sc_dc->dc_crtat) +
offset);
}
} else {
/* XXX should do something with PCI memory */
rv = -1;
}
#endif
return rv;
}
void
pcivga_console(pcf, pcfa, pmf, pmfa, ppf, ppfa, bus, device, function)
__const struct pci_conf_fns *pcf;
__const struct pci_mem_fns *pmf;
__const struct pci_pio_fns *ppf;
void *pcfa, *pmfa, *ppfa;
pci_bus_t bus;
pci_device_t device;
pci_function_t function;
pcivga_console(bc, pc, bus, device, function)
bus_chipset_tag_t bc;
pci_chipset_tag_t pc;
int bus, device, function;
{
struct pcivga_devconfig *dcp = &pcivga_console_dc;
struct wscons_odev_spec wo;
pcivga_getdevconfig(pcf, pcfa, pmf, pmfa, ppf, ppfa,
PCI_MAKE_TAG(bus, device, function), dcp);
pcivga_getdevconfig(bc, pc,
pci_make_tag(pc, bus, device, function), dcp);
/* sanity checks */
if (dcp->dc_crtat == NULL)
panic("pcivga_console(%d, %d): couldn't map memory space",
device, function);
#if 0
if (dcp->dc_pcivgaconf == NULL)
panic("pcivga_console(%d, %d): unknown board configuration",
device, function);
#endif
wo.wo_ef = &pcivga_emulfuncs;
wo.wo_efa = dcp;
wo.wo_nrows = dcp->dc_nrow;
wo.wo_ncols = dcp->dc_ncol;
wo.wo_crow = dcp->dc_crow;
wo.wo_ccol = dcp->dc_ccol;
/* ioctl and mmap are unused until real attachment. */
wsc_console(&dcp->dc_ansicons, &pcivga_acf, dcp,
dcp->dc_nrow, dcp->dc_ncol, 0, 0);
wscons_attach_console(&wo);
}
/*
* The following functions implement the MI ANSI terminal emulation on
* a VGA display.
*/
void /* XXX */
pcivga_bell(id) /* XXX */
void *id; /* XXX */
{ /* XXX */
/* XXX */
printf("pcivga_bell: unimplemented\n"); /* XXX */
} /* XXX */
void
pcivga_cursor(id, row, col)
pcivga_cursor(id, on, row, col)
void *id;
int row, col;
int on, row, col;
{
struct pcivga_devconfig *dc = id;
bus_chipset_tag_t bc = dc->dc_bc;
bus_io_handle_t ioh = dc->dc_ioh;
int pos;
#if 0
printf("pcivga_cursor: %d %d\n", row, col);
#endif
/* turn the cursor off */
if (row == -1 || col == -1) {
dc->dc_crow = dc->dc_ccol = PCIVGA_CURSOR_OFF;
/* XXX disable cursor??? */
if (!on) {
/* XXX disable cursor how??? */
dc->dc_crow = dc->dc_ccol = -1;
} else {
dc->dc_crow = row;
dc->dc_ccol = col;
@ -277,10 +318,10 @@ pcivga_cursor(id, row, col)
pos = row * dc->dc_ncol + col;
OUTB(dc->dc_ppf, dc->dc_ppfa, dc->dc_iobase, 14);
OUTB(dc->dc_ppf, dc->dc_ppfa, dc->dc_iobase+1, pos >> 8);
OUTB(dc->dc_ppf, dc->dc_ppfa, dc->dc_iobase, 15);
OUTB(dc->dc_ppf, dc->dc_ppfa, dc->dc_iobase+1, pos);
bus_io_write_1(bc, ioh, PCIVGA_6845_ADDR, 14);
bus_io_write_1(bc, ioh, PCIVGA_6845_DATA, pos >> 8);
bus_io_write_1(bc, ioh, PCIVGA_6845_ADDR, 15);
bus_io_write_1(bc, ioh, PCIVGA_6845_DATA, pos);
}
void
@ -291,20 +332,16 @@ pcivga_putstr(id, row, col, cp, len)
int len;
{
struct pcivga_devconfig *dc = id;
bus_chipset_tag_t bc = dc->dc_bc;
bus_mem_handle_t memh = dc->dc_memh;
char *dcp;
int i;
int i, off;
for (i = 0; i < len; i++, cp++) {
dcp = (char *)&dc->dc_crtat[row * dc->dc_ncol + col];
#if 0
printf("*cp = %c, attr = 0x%x\n", *cp, dc->dc_so ? dc->dc_so_at : dc->dc_at);
printf("was: %c/", *dcp);
#endif
*dcp++ = *cp;
#if 0
printf("0x%x\n", *dcp);
#endif
*dcp++ = dc->dc_so ? dc->dc_so_at : dc->dc_at;
off = (row * dc->dc_ncol + col) * 2;
for (i = 0; i < len; i++, cp++, off += 2) {
bus_mem_write_1(bc, memh, off, *cp);
bus_mem_write_1(bc, memh, off+1,
dc->dc_so ? dc->dc_so_at : dc->dc_at);
}
}
@ -314,16 +351,20 @@ pcivga_copycols(id, row, srccol, dstcol, ncols)
int row, srccol, dstcol, ncols;
{
struct pcivga_devconfig *dc = id;
u_short *ssp, *dsp;
int nclr;
bus_chipset_tag_t bc = dc->dc_bc;
bus_mem_handle_t memh = dc->dc_memh;
bus_mem_size_t srcoff, srcend, dstoff;
#if 0
printf("pcivga_copycols: row %d: %d, %d -> %d\n", row, srccol, ncols,
dstcol);
#endif
ssp = &dc->dc_crtat[row * dc->dc_ncol + srccol];
dsp = &dc->dc_crtat[row * dc->dc_ncol + dstcol];
bcopy(ssp, dsp, ncols * sizeof(u_short));
/*
* YUCK. Need bus copy functions.
*/
srcoff = (row * dc->dc_ncol + srccol) * 2;
srcend = srcoff + ncols * 2;
dstoff = (row * dc->dc_ncol + dstcol) * 2;
for (; srcoff < srcend; srcoff += 2, dstoff += 2)
bus_mem_write_2(bc, memh, dstoff,
bus_mem_read_2(bc, memh, srcoff));
}
void
@ -332,15 +373,20 @@ pcivga_erasecols(id, row, startcol, ncols)
int row, startcol, ncols;
{
struct pcivga_devconfig *dc = id;
u_short *ssp;
int i;
bus_chipset_tag_t bc = dc->dc_bc;
bus_mem_handle_t memh = dc->dc_memh;
bus_mem_size_t off, endoff;
u_int16_t val;
#if 0
printf("pcivga_erasecols: row %d: %d, %d\n", row, startcol, ncols);
#endif
ssp = &dc->dc_crtat[row * dc->dc_ncol + startcol];
for (i = 0; i < ncols; i++)
*ssp++ = (dc->dc_at << 8) | ' ';
/*
* YUCK. Need bus 'set' functions.
*/
off = row * dc->dc_ncol + startcol;
endoff = off + ncols * 2;
val = (dc->dc_at << 8) | ' ';
for (; off < endoff; off += 2)
bus_mem_write_2(bc, memh, off, val);
}
void
@ -349,15 +395,20 @@ pcivga_copyrows(id, srcrow, dstrow, nrows)
int srcrow, dstrow, nrows;
{
struct pcivga_devconfig *dc = id;
u_short *ssp, *dsp;
int nclr;
bus_chipset_tag_t bc = dc->dc_bc;
bus_mem_handle_t memh = dc->dc_memh;
bus_mem_size_t srcoff, srcend, dstoff;
#if 0
printf("pcivga_copyrows: %d, %d -> %d\n", srcrow, nrows, dstrow);
#endif
ssp = &dc->dc_crtat[srcrow * dc->dc_ncol + 0];
dsp = &dc->dc_crtat[dstrow * dc->dc_ncol + 0];
bcopy(ssp, dsp, nrows * dc->dc_ncol * sizeof(u_short));
/*
* YUCK. Need bus copy functions.
*/
srcoff = (srcrow * dc->dc_ncol + 0) * 2;
srcend = srcoff + (nrows * dc->dc_ncol * 2);
dstoff = (dstrow * dc->dc_ncol + 0) * 2;
for (; srcoff < srcend; srcoff += 2, dstoff += 2)
bus_mem_write_2(bc, memh, dstoff,
bus_mem_read_2(bc, memh, srcoff));
}
void
@ -366,13 +417,18 @@ pcivga_eraserows(id, startrow, nrows)
int startrow, nrows;
{
struct pcivga_devconfig *dc = id;
u_short *ssp;
int i;
bus_chipset_tag_t bc = dc->dc_bc;
bus_mem_handle_t memh = dc->dc_memh;
bus_mem_size_t off, endoff;
u_int16_t val;
#if 0
printf("pcivga_eraserows: %d, %d\n", startrow, nrows);
#endif
ssp = &dc->dc_crtat[startrow * dc->dc_ncol + 0];
for (i = 0; i < nrows * dc->dc_ncol; i++)
*ssp++ = (dc->dc_at << 8) | ' ';
/*
* YUCK. Need bus 'set' functions.
*/
off = (startrow * dc->dc_ncol + 0) * 2;
endoff = off + (nrows * dc->dc_ncol) * 2;
val = (dc->dc_at << 8) | ' ';
for (; off < endoff; off += 2)
bus_mem_write_2(bc, memh, off, val);
}

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@ -1,4 +1,4 @@
/* $NetBSD: pcivgavar.h,v 1.3 1995/11/23 02:38:13 cgd Exp $ */
/* $NetBSD: pcivgavar.h,v 1.4 1996/04/12 04:32:12 cgd Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
@ -27,20 +27,14 @@
* rights to redistribute these changes.
*/
#include <dev/pseudo/ansicons.h>
struct pcivga_devconfig {
__const struct pci_conf_fns *dc_pcf;
void *dc_pcfa;
__const struct pci_mem_fns *dc_pmf;
void *dc_pmfa;
__const struct pci_pio_fns *dc_ppf;
void *dc_ppfa;
bus_chipset_tag_t dc_bc;
pci_chipset_tag_t dc_pc;
pci_tag_t dc_pcitag; /* PCI tag */
pcitag_t dc_pcitag; /* PCI tag */
u_int16_t *dc_crtat; /* VGA screen memory */
int dc_iobase; /* VGA I/O address */
bus_io_handle_t dc_ioh;
bus_mem_handle_t dc_memh;
int dc_ncol, dc_nrow; /* screen width & height */
int dc_ccol, dc_crow; /* current cursor position */
@ -48,8 +42,6 @@ struct pcivga_devconfig {
char dc_so; /* in standout mode? */
char dc_at; /* normal attributes */
char dc_so_at; /* standout attributes */
struct ansicons dc_ansicons; /* ansi console emulator info XXX */
};
struct pcivga_softc {
@ -59,15 +51,11 @@ struct pcivga_softc {
void *sc_intr; /* interrupt handler info */
};
#define PCIVGA_CURSOR_OFF -1 /* pass to pcivga_cpos to disable */
#define DEVICE_IS_PCIVGA(class, id) \
((PCI_CLASS(class) == PCI_CLASS_DISPLAY && \
(((PCI_CLASS(class) == PCI_CLASS_DISPLAY && \
PCI_SUBCLASS(class) == PCI_SUBCLASS_DISPLAY_VGA) || \
(PCI_CLASS(class) == PCI_CLASS_PREHISTORIC && \
PCI_SUBCLASS(class) == PCI_SUBCLASS_PREHISTORIC_VGA))
PCI_SUBCLASS(class) == PCI_SUBCLASS_PREHISTORIC_VGA)) ? 1 : 0)
void pcivga_console __P((__const struct pci_conf_fns *, void *,
__const struct pci_mem_fns *, void *,
__const struct pci_pio_fns *, void *,
pci_bus_t, pci_device_t, pci_function_t));
void pcivga_console __P((bus_chipset_tag_t, pci_chipset_tag_t, int, int,
int));