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NetBSD/sys/arch/hpcmips/dev/ite8181.c

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/* $NetBSD: ite8181.c,v 1.4 2000/12/03 13:43:40 takemura Exp $ */
/*-
* Copyright (c) 2000 SATO Kazumi
* 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 AND CONTRIBUTORS ``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 CONTRIBUTORS 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 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.
*
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/boot_flag.h>
#include <sys/buf.h>
#include <uvm/uvm_extern.h>
#include <dev/wscons/wsconsio.h>
#include <machine/bootinfo.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <machine/config_hook.h>
#include <machine/platid.h>
#include <machine/platid_mask.h>
#include <hpcmips/dev/ite8181reg.h>
#include <hpcmips/dev/ite8181var.h>
#include "bivideo.h"
#if NBIVIDEO > 0
#include <hpcmips/dev/bivideovar.h>
#endif
#include <hpcmips/dev/hpccmapvar.h>
#define ITE8181DEBUG
#ifdef ITE8181DEBUG
#ifndef ITE8181DEBUG_CONF
#define ITE8181DEBUG_CONF 0
#endif
int ite8181_debug = ITE8181DEBUG_CONF;
#define DPRINTF(arg) if (ite8181_debug) printf arg
#define DPRINTFN(n, arg) if (ite8181_debug > (n)) printf arg
#define VPRINTF(arg) if (bootverbose || ite8181_debug) printf arg
#define VPRINTFN(n, arg) if (bootverbose || ite8181_debug > (n)) printf arg
#else
#define DPRINTF(arg)
#define DPRINTFN(n, arg)
#define VPRINTF(arg) if (bootverbose) printf arg
#define VPRINTFN(n, arg) if (bootverbose) printf arg
#endif
#ifndef ITE8181_LCD_CONTROL_ENABLE
int ite8181_lcd_control_disable = 1;
#else /* ITE8181_LCD_CONTROL_ENABLE */
int ite8181_lcd_control_disable = 0;
#endif /* ITE8181_LCD_CONTROL_ENABLE */
#define ITE8181_WINCE_CMAP
/*
* XXX:
* IBM WorkPad z50 power unit has too weak power.
* So we must wait too many times to access some device
* after LCD panel and BackLight on.
* Currently delay is not enough ??? FIXME
*/
#ifndef ITE8181_LCD_ON_SELF_DELAY
#define ITE8181_LCD_ON_SELF_DELAY 1000
#endif /* ITE8181_LCD_ON__SELF_DELAY */
#ifndef ITE8181_LCD_ON_DELAY
#define ITE8181_LCD_ON_DELAY 2000
#endif /* ITE8181_LCD_ON_DELAY */
int ite8181_lcd_on_self_delay = ITE8181_LCD_ON_SELF_DELAY; /* msec */
int ite8181_lcd_on_delay = ITE8181_LCD_ON_DELAY; /* msec */
#define MSEC 1000
/*
* function prototypes
*/
static void ite8181_config_write_4 __P((bus_space_tag_t, bus_space_handle_t, int, int));
static int ite8181_config_read_4 __P((bus_space_tag_t, bus_space_handle_t, int));
static void ite8181_gui_write_4 __P((struct ite8181_softc *, int, int));
static int ite8181_gui_read_4 __P((struct ite8181_softc *, int));
static void ite8181_gui_write_1 __P((struct ite8181_softc *, int, int));
static int ite8181_gui_read_1 __P((struct ite8181_softc *, int));
static void ite8181_graphics_write_1 __P((struct ite8181_softc *, int, int));
static int ite8181_graphics_read_1 __P((struct ite8181_softc *, int));
static void ite8181_ema_write_1 __P((struct ite8181_softc *, int, int));
static int ite8181_ema_read_1 __P((struct ite8181_softc *, int));
static void ite8181_power __P((int, void *));
static int ite8181_hardpower __P((void *, int, long, void *));
static int ite8181_fbinit __P((struct hpcfb_fbconf *));
static int ite8181_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
static paddr_t ite8181_mmap __P((void *, off_t offset, int));
static void ite8181_erase_cursor __P((struct ite8181_softc *));
static int ite8181_lcd_power __P((struct ite8181_softc *, int));
/*
* static variables
*/
struct hpcfb_accessops ite8181_ha = {
ite8181_ioctl, ite8181_mmap
};
inline int
ite8181_config_read_4(iot, ioh, byteoffset)
bus_space_tag_t iot;
bus_space_handle_t ioh;
int byteoffset;
{
return bus_space_read_4(iot, ioh, ITE8181_CONF_OFFSET + byteoffset);
}
inline void
ite8181_config_write_4(iot, ioh, byteoffset, data)
bus_space_tag_t iot;
bus_space_handle_t ioh;
int byteoffset;
int data;
{
bus_space_write_4(iot, ioh, ITE8181_CONF_OFFSET + byteoffset, data);
}
inline int
ite8181_gui_read_4(sc, byteoffset)
struct ite8181_softc *sc;
int byteoffset;
{
return bus_space_read_4(sc->sc_iot, sc->sc_ioh,
sc->sc_gba + byteoffset);
}
inline void
ite8181_gui_write_4(sc, byteoffset, data)
struct ite8181_softc *sc;
int byteoffset;
int data;
{
bus_space_write_4(sc->sc_iot, sc->sc_ioh, sc->sc_gba + byteoffset, data);
}
inline int
ite8181_gui_read_1(sc, byteoffset)
struct ite8181_softc *sc;
int byteoffset;
{
return bus_space_read_1(sc->sc_iot, sc->sc_ioh,
sc->sc_gba + byteoffset);
}
inline void
ite8181_gui_write_1(sc, byteoffset, data)
struct ite8181_softc *sc;
int byteoffset;
int data;
{
bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->sc_gba + byteoffset, data);
}
inline int
ite8181_graphics_read_1(sc, byteoffset)
struct ite8181_softc *sc;
int byteoffset;
{
return bus_space_read_1(sc->sc_iot, sc->sc_ioh,
sc->sc_sba + byteoffset);
}
inline void
ite8181_graphics_write_1(sc, byteoffset, data)
struct ite8181_softc *sc;
int byteoffset;
int data;
{
bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->sc_sba + byteoffset, data);
}
inline int
ite8181_ema_read_1(sc, byteoffset)
struct ite8181_softc *sc;
int byteoffset;
{
ite8181_graphics_write_1(sc, ITE8181_EMA_EXAX, byteoffset);
return ite8181_graphics_read_1(sc, ITE8181_EMA_EXADATA);
}
inline void
ite8181_ema_write_1(sc, byteoffset, data)
struct ite8181_softc *sc;
int byteoffset;
int data;
{
ite8181_graphics_write_1(sc, ITE8181_EMA_EXAX, byteoffset);
ite8181_graphics_write_1(sc, ITE8181_EMA_EXADATA, data);
}
int
ite8181_probe(iot, ioh)
bus_space_tag_t iot;
bus_space_handle_t ioh;
{
unsigned long regval;
#if NBIVIDEO > 0
if (bivideo_dont_attach) /* some video driver already attached */
return (0);
#endif /* NBIVIDEO > 0 */
regval = ite8181_config_read_4(iot, ioh, ITE8181_ID);
VPRINTF(("ite8181_probe: vendor id=%04lx product id=%04lx\n",
regval & 0xffff, (regval >> 16) & 0xffff));
if (regval != ((ITE8181_PRODUCT_ID << 16) | ITE8181_VENDER_ID))
return (0);
return (1);
}
void
ite8181_attach(sc)
struct ite8181_softc *sc;
{
unsigned long regval;
struct hpcfb_attach_args ha;
int console = (bootinfo->bi_cnuse & BI_CNUSE_SERIAL) ? 0 : 1;
regval = ite8181_config_read_4(sc->sc_iot, sc->sc_ioh, ITE8181_CLASS);
printf(": ITE8181 Rev.%02lx\n", regval & ITE8181_REV_MASK);
/* set base offsets */
sc->sc_mba = ite8181_config_read_4(sc->sc_iot, sc->sc_ioh, ITE8181_MBA);
DPRINTFN(1, ("ite8181: Memory base offset %08x\n", sc->sc_mba));
sc->sc_gba = ite8181_config_read_4(sc->sc_iot, sc->sc_ioh, ITE8181_GBA);
DPRINTFN(1, ("ite8181: GUI base offset %08x\n", sc->sc_gba));
sc->sc_sba = ite8181_config_read_4(sc->sc_iot, sc->sc_ioh, ITE8181_SBA);
DPRINTFN(1, ("ite8181: Graphics base offset %08x\n", sc->sc_sba));
/* assume lcd is on */
sc->sc_lcd = 1;
/* Add a power hook to power saving */
sc->sc_powerstate = ITE8181_POWERSTATE_D0;
sc->sc_powerhook = powerhook_establish(ite8181_power, sc);
if (sc->sc_powerhook == NULL)
printf("%s: WARNING: unable to establish power hook\n",
sc->sc_dev.dv_xname);
/* Add a hard power hook to power saving */
sc->sc_hardpowerhook = config_hook(CONFIG_HOOK_PMEVENT,
CONFIG_HOOK_PMEVENT_HARDPOWER,
CONFIG_HOOK_SHARE,
ite8181_hardpower, sc);
if (sc->sc_hardpowerhook == NULL)
printf("%s: WARNING: unable to establish hard power hook\n",
sc->sc_dev.dv_xname);
ite8181_fbinit(&sc->sc_fbconf);
ite8181_erase_cursor(sc);
if (console && hpcfb_cnattach(&sc->sc_fbconf) != 0) {
panic("ite8181_attach: can't init fb console");
}
ha.ha_console = console;
ha.ha_accessops = &ite8181_ha;
ha.ha_accessctx = sc;
ha.ha_curfbconf = 0;
ha.ha_nfbconf = 1;
ha.ha_fbconflist = &sc->sc_fbconf;
ha.ha_curdspconf = 0;
ha.ha_ndspconf = 1;
ha.ha_dspconflist = &sc->sc_dspconf;
config_found(&sc->sc_dev, &ha, hpcfbprint);
#if NBIVIDEO > 0
/*
* bivideo is no longer need
*/
bivideo_dont_attach = 1;
#endif /* NBIVIDEO > 0 */
}
int ite8181_lcd_power(sc, on)
struct ite8181_softc *sc;
int on;
{
int lcd_p;
int lcd_s;
int lcd_seq;
int loop = 10;
if (ite8181_lcd_control_disable) {
VPRINTF(("ite8171_lcd_control_disable!: %s\n", on?"on":"off"));
return 0;
}
if (sc->sc_lcd != on) {
ite8181_ema_write_1(sc, ITE8181_EMA_ENABLEEMA,
ITE8181_EMA_ENABLEPASS);
lcd_p = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWER);
lcd_s = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSTAT);
lcd_seq = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSEQ);
DPRINTFN(1,("ite8181_lcd_power(%d)< p=%x, s=%x, seq=%x\n",
on,
lcd_p, lcd_s, lcd_seq));
if (on) {
sc->sc_lcd = 1;
lcd_seq |= (ITE8181_PUP0|ITE8181_PUP1|ITE8181_PUP2);
ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWERSEQ, lcd_seq);
lcd_p &= ~ITE8181_LCDSTANDBY;
ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWER, lcd_p);
/*
* XXX:
* IBM WorkPad z50 power unit has too weak power.
* So we must wait too many times to access self device
* after LCD panel and BackLight on.
* Currently delay is not enough ??? FIXME
*/
delay(ite8181_lcd_on_self_delay*MSEC);
while (loop--) {
lcd_p = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWER);
lcd_s = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSTAT);
lcd_seq = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSEQ);
DPRINTFN(1,("ite8181_lcd_power(%d)%d| p=%x, s=%x, seq=%x\n",
on, loop,
lcd_p, lcd_s, lcd_seq));
/* XXX the states which are not described in manual.*/
if (!(lcd_s&ITE8181_LCDPSTANDBY) &&
!(lcd_s&ITE8181_LCDPUP) &&
(lcd_s&ITE8181_LCDPON))
break;
delay(100);
}
lcd_s |= ITE8181_PPTOBEON;
ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWERSTAT, lcd_s);
} else {
sc->sc_lcd = 0;
lcd_p |= ITE8181_LCDSTANDBY;
ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWER, lcd_p);
while (loop--) {
lcd_p = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWER);
lcd_s = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSTAT);
lcd_seq = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSEQ);
DPRINTFN(1,("ite8181_lcd_power(%d)%d| p=%x, s=%x, seq=%x\n",
on, loop,
lcd_p, lcd_s, lcd_seq));
/* XXX the states which are not described in manual.*/
if ((lcd_s&ITE8181_LCDPSTANDBY) &&
!(lcd_s&ITE8181_LCDPDOWN) &&
!(lcd_s&ITE8181_LCDPON))
break;
delay(100);
}
lcd_s &= ~ITE8181_PPTOBEON;
ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWERSTAT, lcd_s);
}
DPRINTFN(1,("ite8181_lcd_power(%d)> p=%x, s=%x, seq=%x\n",
on,
ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWER),
ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSTAT),
ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSEQ)));
ite8181_ema_write_1(sc, ITE8181_EMA_ENABLEEMA,
ITE8181_EMA_DISABLEPASS);
}
return 0;
}
static void
ite8181_erase_cursor(sc)
struct ite8181_softc *sc;
{
ite8181_gui_write_1(sc, ITE8181_GUI_C1C, 0); /* Cursor 1 Control Reg. */
/* other ? */
}
static void
ite8181_power(why, arg)
int why;
void *arg;
{
}
static int
ite8181_hardpower(ctx, type, id, msg)
void *ctx;
int type;
long id;
void *msg;
{
struct ite8181_softc *sc = ctx;
int why = (int)msg;
switch (why) {
case PWR_STANDBY:
sc->sc_powerstate = ITE8181_POWERSTATE_D3;
/* ite8181_lcd_power(sc, 0); */
delay(MSEC);
break;
case PWR_SUSPEND:
sc->sc_powerstate = ITE8181_POWERSTATE_D2;
ite8181_lcd_power(sc, 0);
delay(MSEC);
break;
case PWR_RESUME:
delay(MSEC);
sc->sc_powerstate = ITE8181_POWERSTATE_D0;
ite8181_lcd_power(sc, 1);
/*
* XXX:
* IBM WorkPad z50 power unit has too weak power.
* So we must wait too many times to access other devices
* after LCD panel and BackLight on.
*/
delay(ite8181_lcd_on_delay*MSEC);
break;
}
/*
* you should wait until the
* power state transit sequence will end.
*/
return (0);
}
static int
ite8181_fbinit(fb)
struct hpcfb_fbconf *fb;
{
/*
* get fb settings from bootinfo
*/
if (bootinfo == NULL ||
bootinfo->fb_addr == 0 ||
bootinfo->fb_line_bytes == 0 ||
bootinfo->fb_width == 0 ||
bootinfo->fb_height == 0) {
printf("no frame buffer infomation.\n");
return (-1);
}
/* zero fill */
bzero(fb, sizeof(*fb));
fb->hf_conf_index = 0; /* configuration index */
fb->hf_nconfs = 1; /* how many configurations */
strcpy(fb->hf_name, "built-in video");
/* frame buffer name */
strcpy(fb->hf_conf_name, "default");
/* configuration name */
fb->hf_height = bootinfo->fb_height;
fb->hf_width = bootinfo->fb_width;
fb->hf_baseaddr = (u_long)bootinfo->fb_addr;
fb->hf_offset = (u_long)bootinfo->fb_addr -
mips_ptob(mips_btop(bootinfo->fb_addr));
/* frame buffer start offset */
fb->hf_bytes_per_line = bootinfo->fb_line_bytes;
fb->hf_nplanes = 1;
fb->hf_bytes_per_plane = bootinfo->fb_height *
bootinfo->fb_line_bytes;
fb->hf_access_flags |= HPCFB_ACCESS_BYTE;
fb->hf_access_flags |= HPCFB_ACCESS_WORD;
fb->hf_access_flags |= HPCFB_ACCESS_DWORD;
switch (bootinfo->fb_type) {
/*
* gray scale
*/
case BIFB_D2_M2L_3:
case BIFB_D2_M2L_3x2:
fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
/* fall through */
case BIFB_D2_M2L_0:
case BIFB_D2_M2L_0x2:
fb->hf_class = HPCFB_CLASS_GRAYSCALE;
fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
fb->hf_pack_width = 8;
fb->hf_pixels_per_pack = 4;
fb->hf_pixel_width = 2;
fb->hf_class_data_length = sizeof(struct hf_gray_tag);
fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */
break;
/*
* indexed color
*/
case BIFB_D8_FF:
fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
/* fall through */
case BIFB_D8_00:
fb->hf_class = HPCFB_CLASS_INDEXCOLOR;
fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
fb->hf_pack_width = 8;
fb->hf_pixels_per_pack = 1;
fb->hf_pixel_width = 8;
fb->hf_class_data_length = sizeof(struct hf_indexed_tag);
fb->hf_u.hf_indexed.hf_flags = 0; /* reserved for future use */
break;
/*
* RGB color
*/
case BIFB_D16_FFFF:
fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
/* fall through */
case BIFB_D16_0000:
fb->hf_class = HPCFB_CLASS_RGBCOLOR;
fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
#if BYTE_ORDER == LITTLE_ENDIAN
fb->hf_swap_flags = HPCFB_SWAP_BYTE;
#endif
fb->hf_pack_width = 16;
fb->hf_pixels_per_pack = 1;
fb->hf_pixel_width = 16;
fb->hf_class_data_length = sizeof(struct hf_rgb_tag);
fb->hf_u.hf_rgb.hf_flags = 0; /* reserved for future use */
fb->hf_u.hf_rgb.hf_red_width = 5;
fb->hf_u.hf_rgb.hf_red_shift = 11;
fb->hf_u.hf_rgb.hf_green_width = 6;
fb->hf_u.hf_rgb.hf_green_shift = 5;
fb->hf_u.hf_rgb.hf_blue_width = 5;
fb->hf_u.hf_rgb.hf_blue_shift = 0;
fb->hf_u.hf_rgb.hf_alpha_width = 0;
fb->hf_u.hf_rgb.hf_alpha_shift = 0;
break;
default:
printf("unknown type (=%d).\n", bootinfo->fb_type);
return (-1);
break;
}
return (0); /* no error */
}
int
ite8181_ioctl(v, cmd, data, flag, p)
void *v;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
struct ite8181_softc *sc = (struct ite8181_softc *)v;
struct hpcfb_fbconf *fbconf;
struct hpcfb_dspconf *dspconf;
struct wsdisplay_cmap *cmap;
switch (cmd) {
case WSDISPLAYIO_GETCMAP:
cmap = (struct wsdisplay_cmap*)data;
if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR ||
sc->sc_fbconf.hf_pack_width != 8 ||
256 <= cmap->index ||
256 < (cmap->index + cmap->count))
return (EINVAL);
if (!uvm_useracc(cmap->red, cmap->count, B_WRITE) ||
!uvm_useracc(cmap->green, cmap->count, B_WRITE) ||
!uvm_useracc(cmap->blue, cmap->count, B_WRITE))
return (EFAULT);
#ifdef ITE8181_WINCE_CMAP
copyout(&bivideo_cmap_r[cmap->index], cmap->red, cmap->count);
copyout(&bivideo_cmap_g[cmap->index], cmap->green,cmap->count);
copyout(&bivideo_cmap_b[cmap->index], cmap->blue, cmap->count);
return (0);
#else /* ITE8181_WINCE_CMAP */
return EINVAL;
#endif /* ITE8181_WINCE_CMAP */
case WSDISPLAYIO_PUTCMAP:
/*
* This driver can't set color map.
*/
return (EINVAL);
case HPCFBIO_GCONF:
fbconf = (struct hpcfb_fbconf *)data;
if (fbconf->hf_conf_index != 0 &&
fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
return (EINVAL);
}
*fbconf = sc->sc_fbconf; /* structure assignment */
return (0);
case HPCFBIO_SCONF:
fbconf = (struct hpcfb_fbconf *)data;
if (fbconf->hf_conf_index != 0 &&
fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
return (EINVAL);
}
/*
* nothing to do because we have only one configration
*/
return (0);
case HPCFBIO_GDSPCONF:
dspconf = (struct hpcfb_dspconf *)data;
if ((dspconf->hd_unit_index != 0 &&
dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
(dspconf->hd_conf_index != 0 &&
dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
return (EINVAL);
}
*dspconf = sc->sc_dspconf; /* structure assignment */
return (0);
case HPCFBIO_SDSPCONF:
dspconf = (struct hpcfb_dspconf *)data;
if ((dspconf->hd_unit_index != 0 &&
dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
(dspconf->hd_conf_index != 0 &&
dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
return (EINVAL);
}
/*
* nothing to do
* because we have only one unit and one configration
*/
return (0);
case HPCFBIO_GOP:
case HPCFBIO_SOP:
/*
* curently not implemented...
*/
return (EINVAL);
}
return (ENOTTY);
}
paddr_t
ite8181_mmap(ctx, offset, prot)
void *ctx;
off_t offset;
int prot;
{
struct ite8181_softc *sc = (struct ite8181_softc *)ctx;
if (offset < 0 ||
(sc->sc_fbconf.hf_bytes_per_plane +
sc->sc_fbconf.hf_offset) < offset)
return -1;
return mips_btop((u_long)bootinfo->fb_addr + offset);
}
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