/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
/* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
/* All Rights Reserved */
#include <sys/errno.h>
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/kmem.h>
#include <sys/visual_io.h>
#include <sys/font.h>
#include <sys/fbio.h>
#include <sys/ddi.h>
#include <sys/stat.h>
#include <sys/sunddi.h>
#include <sys/file.h>
#include <sys/open.h>
#include <sys/modctl.h>
#include <sys/vgareg.h>
#include <sys/vgasubr.h>
#include <sys/pci.h>
#include <sys/kd.h>
#include <sys/ddi_impldefs.h>
#include "gfx_private.h"
#define MYNAME "gfxp_vgatext"
#define TEXT_ROWS 25
#define TEXT_COLS 80
#define VGA_BRIGHT_WHITE 0x0f
#define VGA_BLACK 0x00
#define VGA_REG_ADDR 0x3c0
#define VGA_REG_SIZE 0x20
#define VGA_MEM_ADDR 0xa0000
#define VGA_MEM_SIZE 0x20000
#define VGA_MMAP_FB_BASE VGA_MEM_ADDR
struct vgatext_softc {
struct vgaregmap regs;
struct vgaregmap fb;
off_t fb_size;
int fb_regno;
dev_info_t *devi;
int mode; /* KD_TEXT or KD_GRAPHICS */
caddr_t text_base; /* hardware text base */
char shadow[TEXT_ROWS*TEXT_COLS*2];
caddr_t current_base; /* hardware or shadow */
struct {
boolean_t visible;
int row;
int col;
} cursor;
struct vis_polledio polledio;
struct {
unsigned char red;
unsigned char green;
unsigned char blue;
} colormap[VGA8_CMAP_ENTRIES];
unsigned char attrib_palette[VGA_ATR_NUM_PLT];
unsigned int flags;
kmutex_t lock;
};
typedef enum pc_colors {
pc_black = 0,
pc_blue = 1,
pc_green = 2,
pc_cyan = 3,
pc_red = 4,
pc_magenta = 5,
pc_brown = 6,
pc_white = 7,
pc_grey = 8,
pc_brt_blue = 9,
pc_brt_green = 10,
pc_brt_cyan = 11,
pc_brt_red = 12,
pc_brt_magenta = 13,
pc_yellow = 14,
pc_brt_white = 15
} pc_colors_t;
static const unsigned char solaris_color_to_pc_color[16] = {
pc_brt_white, /* 0 - brt_white */
pc_black, /* 1 - black */
pc_blue, /* 2 - blue */
pc_green, /* 3 - green */
pc_cyan, /* 4 - cyan */
pc_red, /* 5 - red */
pc_magenta, /* 6 - magenta */
pc_brown, /* 7 - brown */
pc_white, /* 8 - white */
pc_grey, /* 9 - gery */
pc_brt_blue, /* 10 - brt_blue */
pc_brt_green, /* 11 - brt_green */
pc_brt_cyan, /* 12 - brt_cyan */
pc_brt_red, /* 13 - brt_red */
pc_brt_magenta, /* 14 - brt_magenta */
pc_yellow /* 15 - yellow */
};
static ddi_device_acc_attr_t dev_attr = {
DDI_DEVICE_ATTR_V0,
DDI_NEVERSWAP_ACC,
DDI_STRICTORDER_ACC,
};
/* default structure for FBIOGATTR ioctl */
static struct fbgattr vgatext_attr = {
/* real_type owner */
FBTYPE_SUNFAST_COLOR, 0,
/* fbtype: type h w depth cms size */
{ FBTYPE_SUNFAST_COLOR, TEXT_ROWS, TEXT_COLS, 1, 256, 0 },
/* fbsattr: flags emu_type dev_specific */
{ 0, FBTYPE_SUN4COLOR, { 0 } },
/* emu_types */
{ -1 }
};
#define GFXP_FLAG_CONSOLE 0x00000001
#define GFXP_IS_CONSOLE(softc) ((softc)->flags & GFXP_FLAG_CONSOLE)
/*
* Global name used to write the softc pointer in, for the
* data wrapper vgatext_return_pointers()
*/
int gfxp_vgatext_detach(dev_info_t *devi, ddi_detach_cmd_t cmd,
gfxp_vgatext_softc_ptr_t ptr);
static int vgatext_devinit(struct vgatext_softc *, struct vis_devinit *data);
static void vgatext_cons_copy(struct vgatext_softc *,
struct vis_conscopy *);
static void vgatext_cons_display(struct vgatext_softc *,
struct vis_consdisplay *);
static void vgatext_cons_cursor(struct vgatext_softc *,
struct vis_conscursor *);
static void vgatext_polled_copy(struct vis_polledio_arg *,
struct vis_conscopy *);
static void vgatext_polled_display(struct vis_polledio_arg *,
struct vis_consdisplay *);
static void vgatext_polled_cursor(struct vis_polledio_arg *,
struct vis_conscursor *);
static void vgatext_init(struct vgatext_softc *);
static void vgatext_set_text(struct vgatext_softc *);
static void vgatext_save_text(struct vgatext_softc *softc);
static void vgatext_restore_textmode(struct vgatext_softc *softc);
static int vgatext_suspend(struct vgatext_softc *softc);
static void vgatext_resume(struct vgatext_softc *softc);
#if defined(USE_BORDERS)
static void vgatext_init_graphics(struct vgatext_softc *);
#endif
static int vgatext_kdsetmode(struct vgatext_softc *softc, int mode);
static void vgatext_setfont(struct vgatext_softc *softc);
static void vgatext_get_cursor(struct vgatext_softc *softc,
screen_pos_t *row, screen_pos_t *col);
static void vgatext_set_cursor(struct vgatext_softc *softc, int row, int col);
static void vgatext_hide_cursor(struct vgatext_softc *softc);
static void vgatext_save_colormap(struct vgatext_softc *softc);
static void vgatext_restore_colormap(struct vgatext_softc *softc);
static int vgatext_get_pci_reg_index(dev_info_t *const devi,
unsigned long himask, unsigned long hival, unsigned long addr,
off_t *offset);
static int vgatext_get_isa_reg_index(dev_info_t *const devi,
unsigned long hival, unsigned long addr, off_t *offset);
static char vgatext_silent;
static char happyface_boot;
gfxp_vgatext_softc_ptr_t
gfxp_vgatext_softc_alloc(void)
{
return (kmem_zalloc(sizeof (struct vgatext_softc), KM_SLEEP));
}
void
gfxp_vgatext_softc_free(gfxp_vgatext_softc_ptr_t ptr)
{
kmem_free(ptr, sizeof (struct vgatext_softc));
}
/*
* NOTE: this function is duplicated here and in consplat/vgatext while
* we work on a set of commitable interfaces to sunpci.c.
*
* Use the class code to determine if the device is a PCI-to-PCI bridge.
* Returns: B_TRUE if the device is a bridge.
* B_FALSE if the device is not a bridge or the property cannot be
* retrieved.
*/
static boolean_t
is_pci_bridge(dev_info_t *dip)
{
uint32_t class_code;
class_code = (uint32_t)ddi_prop_get_int(DDI_DEV_T_ANY, dip,
DDI_PROP_DONTPASS, "class-code", 0xffffffff);
if (class_code == 0xffffffff || class_code == DDI_PROP_NOT_FOUND)
return (B_FALSE);
class_code &= 0x00ffff00;
if (class_code == ((PCI_CLASS_BRIDGE << 16) | (PCI_BRIDGE_PCI << 8)))
return (B_TRUE);
return (B_FALSE);
}
#define STREQ(a, b) (strcmp((a), (b)) == 0)
static void
gfxp_check_for_console(dev_info_t *devi, struct vgatext_softc *softc,
int pci_pcie_bus)
{
ddi_acc_handle_t pci_conf;
dev_info_t *pdevi;
uint16_t data16;
/*
* Based on Section 11.3, "PCI Display Subsystem Initialization",
* of the 1.1 PCI-to-PCI Bridge Architecture Specification
* determine if this is the boot console device. First, see
* if the SBIOS has turned on PCI I/O for this device. Then if
* this is PCI/PCI-E, verify the parent bridge has VGAEnable set.
*/
if (pci_config_setup(devi, &pci_conf) != DDI_SUCCESS) {
cmn_err(CE_WARN,
MYNAME
": can't get PCI conf handle");
return;
}
data16 = pci_config_get16(pci_conf, PCI_CONF_COMM);
if (data16 & PCI_COMM_IO)
softc->flags |= GFXP_FLAG_CONSOLE;
pci_config_teardown(&pci_conf);
/* If IO not enabled or ISA/EISA, just return */
if (!(softc->flags & GFXP_FLAG_CONSOLE) || !pci_pcie_bus)
return;
/*
* Check for VGA Enable in the Bridge Control register for all
* PCI/PCIEX parents. If not set all the way up the chain,
* this cannot be the boot console.
*/
pdevi = devi;
while (pdevi = ddi_get_parent(pdevi)) {
int error;
ddi_acc_handle_t ppci_conf;
char *parent_type = NULL;
error = ddi_prop_lookup_string(DDI_DEV_T_ANY, pdevi,
DDI_PROP_DONTPASS, "device_type", &parent_type);
if (error != DDI_SUCCESS) {
return;
}
/* Verify still on the PCI/PCIEX parent tree */
if (!STREQ(parent_type, "pci") &&
!STREQ(parent_type, "pciex")) {
ddi_prop_free(parent_type);
return;
}
ddi_prop_free(parent_type);
parent_type = NULL;
/* VGAEnable is set only for PCI-to-PCI bridges. */
if (is_pci_bridge(pdevi) == B_FALSE)
continue;
if (pci_config_setup(pdevi, &ppci_conf) != DDI_SUCCESS)
continue;
data16 = pci_config_get16(ppci_conf, PCI_BCNF_BCNTRL);
pci_config_teardown(&ppci_conf);
if (!(data16 & PCI_BCNF_BCNTRL_VGA_ENABLE)) {
softc->flags &= ~GFXP_FLAG_CONSOLE;
return;
}
}
}
int
gfxp_vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd,
gfxp_vgatext_softc_ptr_t ptr)
{
struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
int unit = ddi_get_instance(devi);
int error;
char *parent_type = NULL;
int reg_rnumber;
off_t reg_offset;
off_t mem_offset;
char *cons;
int pci_pcie_bus = 0;
int value;
switch (cmd) {
case DDI_ATTACH:
break;
case DDI_RESUME:
vgatext_resume(softc);
return (DDI_SUCCESS);
default:
return (DDI_FAILURE);
}
/* DDI_ATTACH */
softc->devi = devi; /* Copy and init DEVI */
softc->polledio.arg = (struct vis_polledio_arg *)softc;
softc->polledio.display = vgatext_polled_display;
softc->polledio.copy = vgatext_polled_copy;
softc->polledio.cursor = vgatext_polled_cursor;
mutex_init(&(softc->lock), NULL, MUTEX_DRIVER, NULL);
error = ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_get_parent(devi),
DDI_PROP_DONTPASS, "device_type", &parent_type);
if (error != DDI_SUCCESS) {
cmn_err(CE_WARN, MYNAME ": can't determine parent type.");
goto fail;
}
/* Not enable AGP and DRM by default */
if (STREQ(parent_type, "isa") || STREQ(parent_type, "eisa")) {
reg_rnumber = vgatext_get_isa_reg_index(devi, 1, VGA_REG_ADDR,
&reg_offset);
if (reg_rnumber < 0) {
cmn_err(CE_WARN,
MYNAME
": can't find reg entry for registers");
error = DDI_FAILURE;
goto fail;
}
softc->fb_regno = vgatext_get_isa_reg_index(devi, 0,
VGA_MEM_ADDR, &mem_offset);
if (softc->fb_regno < 0) {
cmn_err(CE_WARN,
MYNAME
": can't find reg entry for memory");
error = DDI_FAILURE;
goto fail;
}
} else if (STREQ(parent_type, "pci") || STREQ(parent_type, "pciex")) {
pci_pcie_bus = 1;
reg_rnumber = vgatext_get_pci_reg_index(devi,
PCI_REG_ADDR_M|PCI_REG_REL_M,
PCI_ADDR_IO|PCI_RELOCAT_B, VGA_REG_ADDR,
&reg_offset);
if (reg_rnumber < 0) {
cmn_err(CE_WARN,
MYNAME
": can't find reg entry for registers");
error = DDI_FAILURE;
goto fail;
}
softc->fb_regno = vgatext_get_pci_reg_index(devi,
PCI_REG_ADDR_M|PCI_REG_REL_M,
PCI_ADDR_MEM32|PCI_RELOCAT_B, VGA_MEM_ADDR,
&mem_offset);
if (softc->fb_regno < 0) {
cmn_err(CE_WARN,
MYNAME
": can't find reg entry for memory");
error = DDI_FAILURE;
goto fail;
}
} else {
cmn_err(CE_WARN, MYNAME ": unknown parent type \"%s\".",
parent_type);
error = DDI_FAILURE;
goto fail;
}
ddi_prop_free(parent_type);
parent_type = NULL;
error = ddi_regs_map_setup(devi, reg_rnumber,
(caddr_t *)&softc->regs.addr, reg_offset, VGA_REG_SIZE,
&dev_attr, &softc->regs.handle);
if (error != DDI_SUCCESS)
goto fail;
softc->regs.mapped = B_TRUE;
softc->fb_size = VGA_MEM_SIZE;
error = ddi_regs_map_setup(devi, softc->fb_regno,
(caddr_t *)&softc->fb.addr,
mem_offset, softc->fb_size,
&dev_attr, &softc->fb.handle);
if (error != DDI_SUCCESS)
goto fail;
softc->fb.mapped = B_TRUE;
if (ddi_get8(softc->regs.handle,
softc->regs.addr + VGA_MISC_R) & VGA_MISC_IOA_SEL)
softc->text_base = (caddr_t)softc->fb.addr + VGA_COLOR_BASE;
else
softc->text_base = (caddr_t)softc->fb.addr + VGA_MONO_BASE;
if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(),
DDI_PROP_DONTPASS, "console", &cons) == DDI_SUCCESS) {
if (strcmp(cons, "graphics") == 0) {
happyface_boot = 1;
vgatext_silent = 1;
softc->current_base = softc->shadow;
} else {
softc->current_base = softc->text_base;
}
ddi_prop_free(cons);
} else {
softc->current_base = softc->text_base;
}
error = ddi_prop_create(makedevice(DDI_MAJOR_T_UNKNOWN, unit),
devi, DDI_PROP_CANSLEEP, DDI_KERNEL_IOCTL, NULL, 0);
if (error != DDI_SUCCESS)
goto fail;
gfxp_check_for_console(devi, softc, pci_pcie_bus);
value = GFXP_IS_CONSOLE(softc) ? 1 : 0;
if (ddi_prop_update_int(DDI_DEV_T_NONE, devi,
"primary-controller", value) != DDI_SUCCESS) {
cmn_err(CE_WARN,
"Can not %s primary-controller "
"property for driver", value ? "set" : "clear");
}
/* only do this if not in graphics mode */
if ((vgatext_silent == 0) && (GFXP_IS_CONSOLE(softc))) {
vgatext_init(softc);
vgatext_save_colormap(softc);
}
return (DDI_SUCCESS);
fail:
if (parent_type != NULL)
ddi_prop_free(parent_type);
(void) gfxp_vgatext_detach(devi, DDI_DETACH, (void *)softc);
return (error);
}
/*ARGSUSED*/
int
gfxp_vgatext_detach(dev_info_t *devi, ddi_detach_cmd_t cmd,
gfxp_vgatext_softc_ptr_t ptr)
{
struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
(void) ddi_prop_remove(DDI_DEV_T_ANY, devi, "primary-controller");
switch (cmd) {
case DDI_SUSPEND:
return (vgatext_suspend(softc));
/* break; */
case DDI_DETACH:
if (softc->fb.mapped)
ddi_regs_map_free(&softc->fb.handle);
if (softc->regs.mapped)
ddi_regs_map_free(&softc->regs.handle);
mutex_destroy(&(softc->lock));
return (DDI_SUCCESS);
default:
cmn_err(CE_WARN, "gfxp_vgatext_detach: unknown cmd 0x%x\n",
cmd);
return (DDI_FAILURE);
}
}
/*ARGSUSED*/
int
gfxp_vgatext_open(dev_t *devp, int flag, int otyp, cred_t *cred,
gfxp_vgatext_softc_ptr_t ptr)
{
struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
if (softc == NULL || otyp == OTYP_BLK)
return (ENXIO);
return (0);
}
/*ARGSUSED*/
int
gfxp_vgatext_close(dev_t devp, int flag, int otyp, cred_t *cred,
gfxp_vgatext_softc_ptr_t ptr)
{
return (0);
}
static int
do_gfx_ioctl(int cmd, intptr_t data, int mode, struct vgatext_softc *softc)
{
static char kernel_only[] =
"gfxp_vgatext_ioctl: %s is a kernel only ioctl";
int err;
int kd_mode;
switch (cmd) {
case KDSETMODE:
return (vgatext_kdsetmode(softc, (int)data));
case KDGETMODE:
kd_mode = softc->mode;
if (ddi_copyout(&kd_mode, (void *)data, sizeof (int), mode))
return (EFAULT);
break;
case VIS_DEVINIT:
if (!(mode & FKIOCTL)) {
cmn_err(CE_CONT, kernel_only, "VIS_DEVINIT");
return (ENXIO);
}
err = vgatext_devinit(softc, (struct vis_devinit *)data);
if (err != 0) {
cmn_err(CE_WARN,
"gfxp_vgatext_ioctl: could not"
" initialize console");
return (err);
}
break;
case VIS_CONSCOPY: /* move */
{
struct vis_conscopy pma;
if (ddi_copyin((void *)data, &pma,
sizeof (struct vis_conscopy), mode))
return (EFAULT);
vgatext_cons_copy(softc, &pma);
break;
}
case VIS_CONSDISPLAY: /* display */
{
struct vis_consdisplay display_request;
if (ddi_copyin((void *)data, &display_request,
sizeof (display_request), mode))
return (EFAULT);
vgatext_cons_display(softc, &display_request);
break;
}
case VIS_CONSCURSOR:
{
struct vis_conscursor cursor_request;
if (ddi_copyin((void *)data, &cursor_request,
sizeof (cursor_request), mode))
return (EFAULT);
vgatext_cons_cursor(softc, &cursor_request);
if (cursor_request.action == VIS_GET_CURSOR &&
ddi_copyout(&cursor_request, (void *)data,
sizeof (cursor_request), mode))
return (EFAULT);
break;
}
case VIS_GETCMAP:
case VIS_PUTCMAP:
case FBIOPUTCMAP:
case FBIOGETCMAP:
/*
* At the moment, text mode is not considered to have
* a color map.
*/
return (EINVAL);
case FBIOGATTR:
if (copyout(&vgatext_attr, (void *)data,
sizeof (struct fbgattr)))
return (EFAULT);
break;
case FBIOGTYPE:
if (copyout(&vgatext_attr.fbtype, (void *)data,
sizeof (struct fbtype)))
return (EFAULT);
break;
default:
return (ENXIO);
}
return (0);
}
/*ARGSUSED*/
int
gfxp_vgatext_ioctl(
dev_t dev,
int cmd,
intptr_t data,
int mode,
cred_t *cred,
int *rval,
gfxp_vgatext_softc_ptr_t ptr)
{
int err;
struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
mutex_enter(&(softc->lock));
err = do_gfx_ioctl(cmd, data, mode, softc);
mutex_exit(&(softc->lock));
return (err);
}
/*
* vgatext_save_text
* vgatext_restore_textmode
* vgatext_suspend
* vgatext_resume
*
* Routines to save and restore contents of the VGA text area
* Mostly, this is to support Suspend/Resume operation for graphics
* device drivers. Here in the VGAtext common code, we simply squirrel
* away the contents of the hardware's text area during Suspend and then
* put it back during Resume
*/
static void
vgatext_save_text(struct vgatext_softc *softc)
{
unsigned i;
for (i = 0; i < sizeof (softc->shadow); i++)
softc->shadow[i] = softc->current_base[i];
}
static void
vgatext_restore_textmode(struct vgatext_softc *softc)
{
unsigned i;
vgatext_init(softc);
for (i = 0; i < sizeof (softc->shadow); i++) {
softc->text_base[i] = softc->shadow[i];
}
if (softc->cursor.visible) {
vgatext_set_cursor(softc,
softc->cursor.row, softc->cursor.col);
}
vgatext_restore_colormap(softc);
}
static int
vgatext_suspend(struct vgatext_softc *softc)
{
switch (softc->mode) {
case KD_TEXT:
vgatext_save_text(softc);
break;
case KD_GRAPHICS:
break;
default:
cmn_err(CE_WARN, MYNAME ": unknown mode in vgatext_suspend.");
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
static void
vgatext_resume(struct vgatext_softc *softc)
{
switch (softc->mode) {
case KD_TEXT:
vgatext_restore_textmode(softc);
break;
case KD_GRAPHICS:
/*
* Upon RESUME, the graphics device will always actually
* be in TEXT mode even though the Xorg server did not
* make that mode change itself (the suspend code did).
* We want first, therefore, to restore textmode
* operation fully, and then the Xorg server will
* do the rest to restore the device to its
* (hi resolution) graphics mode
*/
vgatext_restore_textmode(softc);
#if defined(USE_BORDERS)
vgatext_init_graphics(softc);
#endif
break;
default:
cmn_err(CE_WARN, MYNAME ": unknown mode in vgatext_resume.");
break;
}
}
static void
vgatext_progressbar_stop()
{
extern void progressbar_stop(void);
if (vgatext_silent == 1) {
vgatext_silent = 0;
progressbar_stop();
}
}
static void
vgatext_kdsettext(struct vgatext_softc *softc)
{
int i;
vgatext_init(softc);
for (i = 0; i < sizeof (softc->shadow); i++) {
softc->text_base[i] = softc->shadow[i];
}
softc->current_base = softc->text_base;
if (softc->cursor.visible) {
vgatext_set_cursor(softc,
softc->cursor.row, softc->cursor.col);
}
vgatext_restore_colormap(softc);
}
static void
vgatext_kdsetgraphics(struct vgatext_softc *softc)
{
vgatext_progressbar_stop();
vgatext_save_text(softc);
softc->current_base = softc->shadow;
#if defined(USE_BORDERS)
vgatext_init_graphics(softc);
#endif
}
static int
vgatext_kdsetmode(struct vgatext_softc *softc, int mode)
{
if ((mode == softc->mode) || (!GFXP_IS_CONSOLE(softc)))
return (0);
switch (mode) {
case KD_TEXT:
vgatext_kdsettext(softc);
break;
case KD_GRAPHICS:
vgatext_kdsetgraphics(softc);
break;
case KD_RESETTEXT:
/*
* In order to avoid racing with a starting X server,
* this needs to be a test and set that is performed in
* a single (softc->lock protected) ioctl into this driver.
*/
if (softc->mode == KD_TEXT && vgatext_silent == 1) {
vgatext_progressbar_stop();
vgatext_kdsettext(softc);
}
break;
default:
return (EINVAL);
}
softc->mode = mode;
return (0);
}
/*ARGSUSED*/
int
gfxp_vgatext_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len,
size_t *maplen, uint_t model, void *ptr)
{
struct vgatext_softc *softc = (struct vgatext_softc *)ptr;
int err;
size_t length;
if (softc == NULL) {
cmn_err(CE_WARN, "vgatext: Can't find softstate");
return (-1);
}
if (!(off >= VGA_MMAP_FB_BASE &&
off < VGA_MMAP_FB_BASE + softc->fb_size)) {
cmn_err(CE_WARN, "vgatext: Can't map offset 0x%llx", off);
return (-1);
}
if (off + len > VGA_MMAP_FB_BASE + softc->fb_size)
length = VGA_MMAP_FB_BASE + softc->fb_size - off;
else
length = len;
if ((err = devmap_devmem_setup(dhp, softc->devi,
NULL, softc->fb_regno, off - VGA_MMAP_FB_BASE,
length, PROT_ALL, 0, &dev_attr)) < 0) {
return (err);
}
*maplen = length;
return (0);
}
static int
vgatext_devinit(struct vgatext_softc *softc, struct vis_devinit *data)
{
/* initialize console instance */
data->version = VIS_CONS_REV;
data->width = TEXT_COLS;
data->height = TEXT_ROWS;
data->linebytes = TEXT_COLS;
data->depth = 4;
data->mode = VIS_TEXT;
data->polledio = &softc->polledio;
return (0);
}
/*
* display a string on the screen at (row, col)
* assume it has been cropped to fit.
*/
static void
vgatext_cons_display(struct vgatext_softc *softc, struct vis_consdisplay *da)
{
unsigned char *string;
int i;
unsigned char attr;
struct cgatext {
unsigned char ch;
unsigned char attr;
};
struct cgatext *addr;
/*
* Sanity checks. This is a last-ditch effort to avoid damage
* from brokenness or maliciousness above.
*/
if (da->row < 0 || da->row >= TEXT_ROWS ||
da->col < 0 || da->col >= TEXT_COLS ||
da->col + da->width > TEXT_COLS)
return;
/*
* To be fully general, we should copyin the data. This is not
* really relevant for this text-only driver, but a graphical driver
* should support these ioctls from userland to enable simple
* system startup graphics.
*/
attr = (solaris_color_to_pc_color[da->bg_color & 0xf] << 4)
| solaris_color_to_pc_color[da->fg_color & 0xf];
string = da->data;
addr = (struct cgatext *)softc->current_base
+ (da->row * TEXT_COLS + da->col);
for (i = 0; i < da->width; i++) {
addr->ch = string[i];
addr->attr = attr;
addr++;
}
}
static void
vgatext_polled_display(
struct vis_polledio_arg *arg,
struct vis_consdisplay *da)
{
vgatext_cons_display((struct vgatext_softc *)arg, da);
}
/*
* screen-to-screen copy
*/
static void
vgatext_cons_copy(struct vgatext_softc *softc, struct vis_conscopy *ma)
{
unsigned short *from;
unsigned short *to;
int cnt;
screen_size_t chars_per_row;
unsigned short *to_row_start;
unsigned short *from_row_start;
screen_size_t rows_to_move;
unsigned short *base;
/*
* Sanity checks. Note that this is a last-ditch effort to avoid
* damage caused by broken-ness or maliciousness above.
*/
if (ma->s_col < 0 || ma->s_col >= TEXT_COLS ||
ma->s_row < 0 || ma->s_row >= TEXT_ROWS ||
ma->e_col < 0 || ma->e_col >= TEXT_COLS ||
ma->e_row < 0 || ma->e_row >= TEXT_ROWS ||
ma->t_col < 0 || ma->t_col >= TEXT_COLS ||
ma->t_row < 0 || ma->t_row >= TEXT_ROWS ||
ma->s_col > ma->e_col ||
ma->s_row > ma->e_row)
return;
/*
* Remember we're going to copy shorts because each
* character/attribute pair is 16 bits.
*/
chars_per_row = ma->e_col - ma->s_col + 1;
rows_to_move = ma->e_row - ma->s_row + 1;
/* More sanity checks. */
if (ma->t_row + rows_to_move > TEXT_ROWS ||
ma->t_col + chars_per_row > TEXT_COLS)
return;
base = (unsigned short *)softc->current_base;
to_row_start = base + ((ma->t_row * TEXT_COLS) + ma->t_col);
from_row_start = base + ((ma->s_row * TEXT_COLS) + ma->s_col);
if (to_row_start < from_row_start) {
while (rows_to_move-- > 0) {
to = to_row_start;
from = from_row_start;
to_row_start += TEXT_COLS;
from_row_start += TEXT_COLS;
for (cnt = chars_per_row; cnt-- > 0; )
*to++ = *from++;
}
} else {
/*
* Offset to the end of the region and copy backwards.
*/
cnt = rows_to_move * TEXT_COLS + chars_per_row;
to_row_start += cnt;
from_row_start += cnt;
while (rows_to_move-- > 0) {
to_row_start -= TEXT_COLS;
from_row_start -= TEXT_COLS;
to = to_row_start;
from = from_row_start;
for (cnt = chars_per_row; cnt-- > 0; )
*--to = *--from;
}
}
}
static void
vgatext_polled_copy(
struct vis_polledio_arg *arg,
struct vis_conscopy *ca)
{
vgatext_cons_copy((struct vgatext_softc *)arg, ca);
}
static void
vgatext_cons_cursor(struct vgatext_softc *softc, struct vis_conscursor *ca)
{
if (vgatext_silent)
return;
switch (ca->action) {
case VIS_HIDE_CURSOR:
softc->cursor.visible = B_FALSE;
if (softc->current_base == softc->text_base)
vgatext_hide_cursor(softc);
break;
case VIS_DISPLAY_CURSOR:
/*
* Sanity check. This is a last-ditch effort to avoid
* damage from brokenness or maliciousness above.
*/
if (ca->col < 0 || ca->col >= TEXT_COLS ||
ca->row < 0 || ca->row >= TEXT_ROWS)
return;
softc->cursor.visible = B_TRUE;
softc->cursor.col = ca->col;
softc->cursor.row = ca->row;
if (softc->current_base == softc->text_base)
vgatext_set_cursor(softc, ca->row, ca->col);
break;
case VIS_GET_CURSOR:
if (softc->current_base == softc->text_base) {
vgatext_get_cursor(softc, &ca->row, &ca->col);
}
break;
}
}
static void
vgatext_polled_cursor(
struct vis_polledio_arg *arg,
struct vis_conscursor *ca)
{
vgatext_cons_cursor((struct vgatext_softc *)arg, ca);
}
/*ARGSUSED*/
static void
vgatext_hide_cursor(struct vgatext_softc *softc)
{
/* Nothing at present */
}
static void
vgatext_set_cursor(struct vgatext_softc *softc, int row, int col)
{
short addr;
if (vgatext_silent)
return;
addr = row * TEXT_COLS + col;
vga_set_crtc(&softc->regs, VGA_CRTC_CLAH, addr >> 8);
vga_set_crtc(&softc->regs, VGA_CRTC_CLAL, addr & 0xff);
}
static int vga_row, vga_col;
static void
vgatext_get_cursor(struct vgatext_softc *softc,
screen_pos_t *row, screen_pos_t *col)
{
short addr;
addr = (vga_get_crtc(&softc->regs, VGA_CRTC_CLAH) << 8) +
vga_get_crtc(&softc->regs, VGA_CRTC_CLAL);
vga_row = *row = addr / TEXT_COLS;
vga_col = *col = addr % TEXT_COLS;
}
/*
* This code is experimental. It's only enabled if console is
* set to graphics, a preliminary implementation of happyface boot.
*/
static void
vgatext_set_text(struct vgatext_softc *softc)
{
int i;
if (happyface_boot == 0)
return;
/* we are in graphics mode, set to text 80X25 mode */
/* set misc registers */
vga_set_reg(&softc->regs, VGA_MISC_W, VGA_MISC_TEXT);
/* set sequencer registers */
vga_set_seq(&softc->regs, VGA_SEQ_RST_SYN,
(vga_get_seq(&softc->regs, VGA_SEQ_RST_SYN) &
~VGA_SEQ_RST_SYN_NO_SYNC_RESET));
for (i = 1; i < NUM_SEQ_REG; i++) {
vga_set_seq(&softc->regs, i, VGA_SEQ_TEXT[i]);
}
vga_set_seq(&softc->regs, VGA_SEQ_RST_SYN,
(vga_get_seq(&softc->regs, VGA_SEQ_RST_SYN) |
VGA_SEQ_RST_SYN_NO_ASYNC_RESET |
VGA_SEQ_RST_SYN_NO_SYNC_RESET));
/* set crt controller registers */
vga_set_crtc(&softc->regs, VGA_CRTC_VRE,
(vga_get_crtc(&softc->regs, VGA_CRTC_VRE) &
~VGA_CRTC_VRE_LOCK));
for (i = 0; i < NUM_CRTC_REG; i++) {
vga_set_crtc(&softc->regs, i, VGA_CRTC_TEXT[i]);
}
/* set graphics controller registers */
for (i = 0; i < NUM_GRC_REG; i++) {
vga_set_grc(&softc->regs, i, VGA_GRC_TEXT[i]);
}
/* set attribute registers */
for (i = 0; i < NUM_ATR_REG; i++) {
vga_set_atr(&softc->regs, i, VGA_ATR_TEXT[i]);
}
/* set palette */
for (i = 0; i < VGA_TEXT_CMAP_ENTRIES; i++) {
vga_put_cmap(&softc->regs, i, VGA_TEXT_PALETTES[i][0] << 2,
VGA_TEXT_PALETTES[i][1] << 2,
VGA_TEXT_PALETTES[i][2] << 2);
}
for (i = VGA_TEXT_CMAP_ENTRIES; i < VGA8_CMAP_ENTRIES; i++) {
vga_put_cmap(&softc->regs, i, 0, 0, 0);
}
vgatext_save_colormap(softc);
}
static void
vgatext_init(struct vgatext_softc *softc)
{
unsigned char atr_mode;
atr_mode = vga_get_atr(&softc->regs, VGA_ATR_MODE);
if (atr_mode & VGA_ATR_MODE_GRAPH)
vgatext_set_text(softc);
atr_mode = vga_get_atr(&softc->regs, VGA_ATR_MODE);
atr_mode &= ~VGA_ATR_MODE_BLINK;
atr_mode &= ~VGA_ATR_MODE_9WIDE;
vga_set_atr(&softc->regs, VGA_ATR_MODE, atr_mode);
#if defined(USE_BORDERS)
vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
vga_get_atr(&softc->regs, VGA_BRIGHT_WHITE));
#else
vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
vga_get_atr(&softc->regs, VGA_BLACK));
#endif
vgatext_setfont(softc); /* need selectable font? */
}
#if defined(USE_BORDERS)
static void
vgatext_init_graphics(struct vgatext_softc *softc)
{
vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
vga_get_atr(&softc->regs, VGA_BLACK));
}
#endif
static void
vgatext_setfont(struct vgatext_softc *softc)
{
extern bitmap_data_t font_data_8x16;
unsigned char *from;
unsigned char *to;
int i;
int j;
int bpc;
/*
* The newboot code to use font plane 2 breaks NVIDIA
* (and some ATI) behavior. Revert back to the S10
* code.
*/
/*
* I'm embarassed to say that I don't know what these magic
* sequences do, other than at the high level of "set the
* memory window to allow font setup". I stole them straight
* from "kd"...
*/
vga_set_seq(&softc->regs, 0x02, 0x04);
vga_set_seq(&softc->regs, 0x04, 0x06);
vga_set_grc(&softc->regs, 0x05, 0x00);
vga_set_grc(&softc->regs, 0x06, 0x04);
/*
* This assumes 8x16 characters, which yield the traditional 80x25
* screen. It really should support other character heights.
*/
bpc = 16;
for (i = 0; i < 256; i++) {
from = font_data_8x16.encoding[i];
to = (unsigned char *)softc->fb.addr + i * 0x20;
for (j = 0; j < bpc; j++)
*to++ = *from++;
}
vga_set_seq(&softc->regs, 0x02, 0x03);
vga_set_seq(&softc->regs, 0x04, 0x02);
vga_set_grc(&softc->regs, 0x04, 0x00);
vga_set_grc(&softc->regs, 0x05, 0x10);
vga_set_grc(&softc->regs, 0x06, 0x0e);
}
static void
vgatext_save_colormap(struct vgatext_softc *softc)
{
int i;
for (i = 0; i < VGA_ATR_NUM_PLT; i++) {
softc->attrib_palette[i] = vga_get_atr(&softc->regs, i);
}
for (i = 0; i < VGA8_CMAP_ENTRIES; i++) {
vga_get_cmap(&softc->regs, i,
&softc->colormap[i].red,
&softc->colormap[i].green,
&softc->colormap[i].blue);
}
}
static void
vgatext_restore_colormap(struct vgatext_softc *softc)
{
int i;
for (i = 0; i < VGA_ATR_NUM_PLT; i++) {
vga_set_atr(&softc->regs, i, softc->attrib_palette[i]);
}
for (i = 0; i < VGA8_CMAP_ENTRIES; i++) {
vga_put_cmap(&softc->regs, i,
softc->colormap[i].red,
softc->colormap[i].green,
softc->colormap[i].blue);
}
}
/*
* search the entries of the "reg" property for one which has the desired
* combination of phys_hi bits and contains the desired address.
*
* This version searches a PCI-style "reg" property. It was prompted by
* issues surrounding the presence or absence of an entry for the ROM:
* (a) a transition problem with PowerPC Virtual Open Firmware
* (b) uncertainty as to whether an entry will be included on a device
* with ROM support (and so an "active" ROM base address register),
* but no ROM actually installed.
*
* See the note below on vgatext_get_isa_reg_index for the reasons for
* returning the offset.
*
* Note that this routine may not be fully general; it is intended for the
* specific purpose of finding a couple of particular VGA reg entries and
* may not be suitable for all reg-searching purposes.
*/
static int
vgatext_get_pci_reg_index(
dev_info_t *const devi,
unsigned long himask,
unsigned long hival,
unsigned long addr,
off_t *offset)
{
int length, index;
pci_regspec_t *reg;
if (ddi_getlongprop(DDI_DEV_T_ANY, devi, DDI_PROP_DONTPASS,
"reg", (caddr_t)&reg, &length) != DDI_PROP_SUCCESS) {
return (-1);
}
for (index = 0; index < length / sizeof (pci_regspec_t); index++) {
if ((reg[index].pci_phys_hi & himask) != hival)
continue;
if (reg[index].pci_size_hi != 0)
continue;
if (reg[index].pci_phys_mid != 0)
continue;
if (reg[index].pci_phys_low > addr)
continue;
if (reg[index].pci_phys_low + reg[index].pci_size_low <= addr)
continue;
*offset = addr - reg[index].pci_phys_low;
kmem_free(reg, (size_t)length);
return (index);
}
kmem_free(reg, (size_t)length);
return (-1);
}
/*
* search the entries of the "reg" property for one which has the desired
* combination of phys_hi bits and contains the desired address.
*
* This version searches a ISA-style "reg" property. It was prompted by
* issues surrounding 8514/A support. By IEEE 1275 compatibility conventions,
* 8514/A registers should have been added after all standard VGA registers.
* Unfortunately, the Solaris/Intel device configuration framework
* (a) lists the 8514/A registers before the video memory, and then
* (b) also sorts the entries so that I/O entries come before memory
* entries.
*
* It returns the "reg" index and offset into that register set.
* The offset is needed because there exist (broken?) BIOSes that
* report larger ranges enclosing the standard ranges. One reports
* 0x3bf for 0x21 instead of 0x3c0 for 0x20, for instance. Using the
* offset adjusts for this difference in the base of the register set.
*
* Note that this routine may not be fully general; it is intended for the
* specific purpose of finding a couple of particular VGA reg entries and
* may not be suitable for all reg-searching purposes.
*/
static int
vgatext_get_isa_reg_index(
dev_info_t *const devi,
unsigned long hival,
unsigned long addr,
off_t *offset)
{
int length, index;
struct regspec *reg;
if (ddi_getlongprop(DDI_DEV_T_ANY, devi, DDI_PROP_DONTPASS,
"reg", (caddr_t)&reg, &length) != DDI_PROP_SUCCESS) {
return (-1);
}
for (index = 0; index < length / sizeof (struct regspec); index++) {
if (reg[index].regspec_bustype != hival)
continue;
if (reg[index].regspec_addr > addr)
continue;
if (reg[index].regspec_addr + reg[index].regspec_size <= addr)
continue;
*offset = addr - reg[index].regspec_addr;
kmem_free(reg, (size_t)length);
return (index);
}
kmem_free(reg, (size_t)length);
return (-1);
}
/*
* This vgatext function is used to return the fb, and reg pointers
* and handles for peer graphics drivers.
*/
void
vgatext_return_pointers(struct vgatext_softc *softc, struct vgaregmap *fbs,
struct vgaregmap *regss)
{
fbs->addr = softc->fb.addr;
fbs->handle = softc->fb.handle;
fbs->mapped = softc->fb.mapped;
regss->addr = softc->regs.addr;
regss->handle = softc->regs.handle;
regss->mapped = softc->regs.mapped;
}