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freebsd-skq/sys/arm/versatile/versatile_clcd.c

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/*
* Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
* 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/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/malloc.h>
#include <sys/rman.h>
#include <sys/fbio.h>
#include <sys/consio.h>
#include <sys/kdb.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/fb/fbreg.h>
#include <dev/syscons/syscons.h>
#include <machine/bus.h>
#define PL110_VENDOR_ARM926PXP 1
#define MEM_SYS 0
#define MEM_CLCD 1
#define MEM_REGIONS 2
#define SYS_CLCD 0x00
#define SYS_CLCD_CLCDID_SHIFT 0x08
#define SYS_CLCD_CLCDID_MASK 0x1f
#define SYS_CLCD_PWR3V5VSWITCH (1 << 4)
#define SYS_CLCD_VDDPOSSWITCH (1 << 3)
#define SYS_CLCD_NLCDIOON (1 << 2)
#define SYS_CLCD_LCD_MODE_MASK 0x03
#define CLCD_MODE_RGB888 0x0
#define CLCD_MODE_RGB555 0x01
#define CLCD_MODE_RBG565 0x02
#define CLCD_MODE_RGB565 0x03
#define CLCDC_TIMING0 0x00
#define CLCDC_TIMING1 0x04
#define CLCDC_TIMING2 0x08
#define CLCDC_TIMING3 0x0C
#define CLCDC_TIMING3 0x0C
#define CLCDC_UPBASE 0x10
#define CLCDC_LPBASE 0x14
#ifdef PL110_VENDOR_ARM926PXP
#define CLCDC_CONTROL 0x18
#define CLCDC_IMSC 0x1C
#else
#define CLCDC_IMSC 0x18
#define CLCDC_CONTROL 0x1C
#endif
#define CONTROL_WATERMARK (1 << 16)
#define CONTROL_VCOMP_VS (0 << 12)
#define CONTROL_VCOMP_BP (1 << 12)
#define CONTROL_VCOMP_SAV (2 << 12)
#define CONTROL_VCOMP_FP (3 << 12)
#define CONTROL_PWR (1 << 11)
#define CONTROL_BEPO (1 << 10)
#define CONTROL_BEBO (1 << 9)
#define CONTROL_BGR (1 << 8)
#define CONTROL_DUAL (1 << 7)
#define CONTROL_MONO8 (1 << 6)
#define CONTROL_TFT (1 << 5)
#define CONTROL_BW (1 << 4)
#define CONTROL_BPP1 (0x00 << 1)
#define CONTROL_BPP2 (0x01 << 1)
#define CONTROL_BPP4 (0x02 << 1)
#define CONTROL_BPP8 (0x03 << 1)
#define CONTROL_BPP16 (0x04 << 1)
#define CONTROL_BPP24 (0x05 << 1)
#define CONTROL_EN (1 << 0)
#define CLCDC_RIS 0x20
#define CLCDC_MIS 0x24
#define INTR_MBERR (1 << 4)
#define INTR_VCOMP (1 << 3)
#define INTR_LNB (1 << 2)
#define INTR_FUF (1 << 1)
#define CLCDC_ICR 0x28
#ifdef DEBUG
#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
printf(fmt,##args); } while (0)
#else
#define dprintf(fmt, args...)
#endif
#define versatile_clcdc_sys_read_4(sc, reg) \
bus_read_4((sc)->mem_res[MEM_SYS], (reg))
#define versatile_clcdc_sys_write_4(sc, reg, val) \
bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val))
#define versatile_clcdc_read_4(sc, reg) \
bus_read_4((sc)->mem_res[MEM_CLCD], (reg))
#define versatile_clcdc_write_4(sc, reg, val) \
bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val))
struct versatile_clcdc_softc {
struct resource* mem_res[MEM_REGIONS];
struct mtx mtx;
int width;
int height;
int mode;
bus_dma_tag_t dma_tag;
bus_dmamap_t dma_map;
bus_addr_t fb_phys;
uint8_t *fb_base;
};
struct video_adapter_softc {
/* Videoadpater part */
video_adapter_t va;
int console;
intptr_t fb_addr;
unsigned int fb_size;
unsigned int height;
unsigned int width;
unsigned int depth;
unsigned int stride;
unsigned int xmargin;
unsigned int ymargin;
unsigned char *font;
int initialized;
};
struct argb {
uint8_t a;
uint8_t r;
uint8_t g;
uint8_t b;
};
static struct argb versatilefb_palette[16] = {
{0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xaa},
{0x00, 0x00, 0xaa, 0x00},
{0x00, 0x00, 0xaa, 0xaa},
{0x00, 0xaa, 0x00, 0x00},
{0x00, 0xaa, 0x00, 0xaa},
{0x00, 0xaa, 0x55, 0x00},
{0x00, 0xaa, 0xaa, 0xaa},
{0x00, 0x55, 0x55, 0x55},
{0x00, 0x55, 0x55, 0xff},
{0x00, 0x55, 0xff, 0x55},
{0x00, 0x55, 0xff, 0xff},
{0x00, 0xff, 0x55, 0x55},
{0x00, 0xff, 0x55, 0xff},
{0x00, 0xff, 0xff, 0x55},
{0x00, 0xff, 0xff, 0xff}
};
/* mouse pointer from dev/syscons/scgfbrndr.c */
static u_char mouse_pointer[16] = {
0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
};
#define FB_WIDTH 640
#define FB_HEIGHT 480
#define FB_DEPTH 16
#define VERSATILE_FONT_HEIGHT 16
static struct video_adapter_softc va_softc;
static struct resource_spec versatile_clcdc_mem_spec[] = {
{ SYS_RES_MEMORY, 0, RF_ACTIVE },
{ SYS_RES_MEMORY, 1, RF_ACTIVE },
{ -1, 0, 0 }
};
static int versatilefb_configure(int);
static void versatilefb_update_margins(video_adapter_t *adp);
static void
versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
{
bus_addr_t *addr;
if (err)
return;
addr = (bus_addr_t*)arg;
*addr = segs[0].ds_addr;
}
static int
versatile_clcdc_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_is_compatible(dev, "arm,pl110")) {
device_set_desc(dev, "PL110 CLCD controller");
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
static int
versatile_clcdc_attach(device_t dev)
{
struct versatile_clcdc_softc *sc = device_get_softc(dev);
struct video_adapter_softc *va_sc = &va_softc;
int err;
uint32_t reg;
int clcdid;
int dma_size;
/* Request memory resources */
err = bus_alloc_resources(dev, versatile_clcdc_mem_spec,
sc->mem_res);
if (err) {
device_printf(dev, "Error: could not allocate memory resources\n");
return (ENXIO);
}
reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD);
clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK;
switch (clcdid) {
case 31:
device_printf(dev, "QEMU VGA 640x480\n");
sc->width = 640;
sc->height = 480;
break;
default:
device_printf(dev, "Unsupported: %d\n", clcdid);
goto fail;
}
reg &= ~SYS_CLCD_LCD_MODE_MASK;
reg |= CLCD_MODE_RGB565;
sc->mode = CLCD_MODE_RGB565;
versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
dma_size = sc->width*sc->height*2;
/*
* Power on LCD
*/
reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON;
versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
/*
* XXX: hardcoded timing for VGA. For other modes/panels
* we need to keep table of timing register values
*/
/*
* XXX: set SYS_OSC1
*/
versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
/* XXX: timing 3? */
/*
* Now allocate framebuffer memory
*/
err = bus_dma_tag_create(
bus_get_dma_tag(dev),
4, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
dma_size, 1, /* maxsize, nsegments */
dma_size, 0, /* maxsegsize, flags */
NULL, NULL, /* lockfunc, lockarg */
&sc->dma_tag);
err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
0, &sc->dma_map);
if (err) {
device_printf(dev, "cannot allocate framebuffer\n");
goto fail;
}
err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
if (err) {
device_printf(dev, "cannot load DMA map\n");
goto fail;
}
/* Make sure it's blank */
memset(sc->fb_base, 0x00, dma_size);
versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
err = (sc_attach_unit(device_get_unit(dev),
device_get_flags(dev) | SC_AUTODETECT_KBD));
if (err) {
device_printf(dev, "failed to attach syscons\n");
goto fail;
}
/*
* XXX: hardcoded for VGA
*/
reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
reg |= CONTROL_BPP16;
versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
DELAY(20);
reg |= CONTROL_PWR;
versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
va_sc->fb_addr = (vm_offset_t)sc->fb_base;
va_sc->fb_size = dma_size;
va_sc->width = sc->width;
va_sc->height = sc->height;
va_sc->depth = 16;
va_sc->stride = sc->width * 2;
versatilefb_update_margins(&va_sc->va);
return (0);
fail:
if (sc->fb_base)
bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
if (sc->dma_tag)
bus_dma_tag_destroy(sc->dma_tag);
return (err);
}
static device_method_t versatile_clcdc_methods[] = {
DEVMETHOD(device_probe, versatile_clcdc_probe),
DEVMETHOD(device_attach, versatile_clcdc_attach),
DEVMETHOD_END
};
static driver_t versatile_clcdc_driver = {
"clcdc",
versatile_clcdc_methods,
sizeof(struct versatile_clcdc_softc),
};
static devclass_t versatile_clcdc_devclass;
DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
/*
* Video driver routines and glue.
*/
static vi_probe_t versatilefb_probe;
static vi_init_t versatilefb_init;
static vi_get_info_t versatilefb_get_info;
static vi_query_mode_t versatilefb_query_mode;
static vi_set_mode_t versatilefb_set_mode;
static vi_save_font_t versatilefb_save_font;
static vi_load_font_t versatilefb_load_font;
static vi_show_font_t versatilefb_show_font;
static vi_save_palette_t versatilefb_save_palette;
static vi_load_palette_t versatilefb_load_palette;
static vi_set_border_t versatilefb_set_border;
static vi_save_state_t versatilefb_save_state;
static vi_load_state_t versatilefb_load_state;
static vi_set_win_org_t versatilefb_set_win_org;
static vi_read_hw_cursor_t versatilefb_read_hw_cursor;
static vi_set_hw_cursor_t versatilefb_set_hw_cursor;
static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
static vi_blank_display_t versatilefb_blank_display;
static vi_mmap_t versatilefb_mmap;
static vi_ioctl_t versatilefb_ioctl;
static vi_clear_t versatilefb_clear;
static vi_fill_rect_t versatilefb_fill_rect;
static vi_bitblt_t versatilefb_bitblt;
static vi_diag_t versatilefb_diag;
static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
static vi_copy_t versatilefb_copy;
static vi_putp_t versatilefb_putp;
static vi_putc_t versatilefb_putc;
static vi_puts_t versatilefb_puts;
static vi_putm_t versatilefb_putm;
static video_switch_t versatilefbvidsw = {
.probe = versatilefb_probe,
.init = versatilefb_init,
.get_info = versatilefb_get_info,
.query_mode = versatilefb_query_mode,
.set_mode = versatilefb_set_mode,
.save_font = versatilefb_save_font,
.load_font = versatilefb_load_font,
.show_font = versatilefb_show_font,
.save_palette = versatilefb_save_palette,
.load_palette = versatilefb_load_palette,
.set_border = versatilefb_set_border,
.save_state = versatilefb_save_state,
.load_state = versatilefb_load_state,
.set_win_org = versatilefb_set_win_org,
.read_hw_cursor = versatilefb_read_hw_cursor,
.set_hw_cursor = versatilefb_set_hw_cursor,
.set_hw_cursor_shape = versatilefb_set_hw_cursor_shape,
.blank_display = versatilefb_blank_display,
.mmap = versatilefb_mmap,
.ioctl = versatilefb_ioctl,
.clear = versatilefb_clear,
.fill_rect = versatilefb_fill_rect,
.bitblt = versatilefb_bitblt,
.diag = versatilefb_diag,
.save_cursor_palette = versatilefb_save_cursor_palette,
.load_cursor_palette = versatilefb_load_cursor_palette,
.copy = versatilefb_copy,
.putp = versatilefb_putp,
.putc = versatilefb_putc,
.puts = versatilefb_puts,
.putm = versatilefb_putm,
};
VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
static vr_init_t clcdr_init;
static vr_clear_t clcdr_clear;
static vr_draw_border_t clcdr_draw_border;
static vr_draw_t clcdr_draw;
static vr_set_cursor_t clcdr_set_cursor;
static vr_draw_cursor_t clcdr_draw_cursor;
static vr_blink_cursor_t clcdr_blink_cursor;
static vr_set_mouse_t clcdr_set_mouse;
static vr_draw_mouse_t clcdr_draw_mouse;
/*
* We use our own renderer; this is because we must emulate a hardware
* cursor.
*/
static sc_rndr_sw_t clcdrend = {
clcdr_init,
clcdr_clear,
clcdr_draw_border,
clcdr_draw,
clcdr_set_cursor,
clcdr_draw_cursor,
clcdr_blink_cursor,
clcdr_set_mouse,
clcdr_draw_mouse
};
RENDERER(versatilefb, 0, clcdrend, gfb_set);
RENDERER_MODULE(versatilefb, gfb_set);
static void
clcdr_init(scr_stat* scp)
{
}
static void
clcdr_clear(scr_stat* scp, int c, int attr)
{
}
static void
clcdr_draw_border(scr_stat* scp, int color)
{
}
static void
clcdr_draw(scr_stat* scp, int from, int count, int flip)
{
video_adapter_t* adp = scp->sc->adp;
int i, c, a;
if (!flip) {
/* Normal printing */
vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
} else {
/* This is for selections and such: invert the color attribute */
for (i = count; i-- > 0; ++from) {
c = sc_vtb_getc(&scp->vtb, from);
a = sc_vtb_geta(&scp->vtb, from) >> 8;
vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
}
}
}
static void
clcdr_set_cursor(scr_stat* scp, int base, int height, int blink)
{
}
static void
clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
{
video_adapter_t* adp = scp->sc->adp;
struct video_adapter_softc *sc;
int row, col;
uint8_t *addr;
int i,j;
sc = (struct video_adapter_softc *)adp;
if (scp->curs_attr.height <= 0)
return;
if (sc->fb_addr == 0)
return;
if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
return;
/* calculate the coordinates in the video buffer */
row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
addr = (uint8_t *)sc->fb_addr
+ (row + sc->ymargin)*(sc->stride)
+ (sc->depth/8) * (col + sc->xmargin);
/* our cursor consists of simply inverting the char under it */
for (i = 0; i < adp->va_info.vi_cheight; i++) {
for (j = 0; j < adp->va_info.vi_cwidth; j++) {
addr[2*j] ^= 0xff;
addr[2*j + 1] ^= 0xff;
}
addr += sc->stride;
}
}
static void
clcdr_blink_cursor(scr_stat* scp, int at, int flip)
{
}
static void
clcdr_set_mouse(scr_stat* scp)
{
}
static void
clcdr_draw_mouse(scr_stat* scp, int x, int y, int on)
{
vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
}
static uint16_t versatilefb_static_window[ROW*COL];
extern u_char dflt_font_16[];
/*
* Update videoadapter settings after changing resolution
*/
static void
versatilefb_update_margins(video_adapter_t *adp)
{
struct video_adapter_softc *sc;
video_info_t *vi;
sc = (struct video_adapter_softc *)adp;
vi = &adp->va_info;
sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
}
static int
versatilefb_configure(int flags)
{
struct video_adapter_softc *va_sc;
va_sc = &va_softc;
if (va_sc->initialized)
return (0);
va_sc->width = FB_WIDTH;
va_sc->height = FB_HEIGHT;
va_sc->depth = FB_DEPTH;
versatilefb_init(0, &va_sc->va, 0);
va_sc->initialized = 1;
return (0);
}
static int
versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
{
return (0);
}
static int
versatilefb_init(int unit, video_adapter_t *adp, int flags)
{
struct video_adapter_softc *sc;
video_info_t *vi;
sc = (struct video_adapter_softc *)adp;
vi = &adp->va_info;
vid_init_struct(adp, "versatilefb", -1, unit);
sc->font = dflt_font_16;
vi->vi_cheight = VERSATILE_FONT_HEIGHT;
vi->vi_cwidth = 8;
vi->vi_width = sc->width/8;
vi->vi_height = sc->height/vi->vi_cheight;
/*
* Clamp width/height to syscons maximums
*/
if (vi->vi_width > COL)
vi->vi_width = COL;
if (vi->vi_height > ROW)
vi->vi_height = ROW;
sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
adp->va_window = (vm_offset_t) versatilefb_static_window;
adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
vid_register(&sc->va);
return (0);
}
static int
versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
{
bcopy(&adp->va_info, info, sizeof(*info));
return (0);
}
static int
versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
{
return (0);
}
static int
versatilefb_set_mode(video_adapter_t *adp, int mode)
{
return (0);
}
static int
versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
u_char *data, int c, int count)
{
return (0);
}
static int
versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
u_char *data, int c, int count)
{
struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
sc->font = data;
return (0);
}
static int
versatilefb_show_font(video_adapter_t *adp, int page)
{
return (0);
}
static int
versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
{
return (0);
}
static int
versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
{
return (0);
}
static int
versatilefb_set_border(video_adapter_t *adp, int border)
{
return (versatilefb_blank_display(adp, border));
}
static int
versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
{
return (0);
}
static int
versatilefb_load_state(video_adapter_t *adp, void *p)
{
return (0);
}
static int
versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
{
return (0);
}
static int
versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
{
*col = *row = 0;
return (0);
}
static int
versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
{
return (0);
}
static int
versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
int celsize, int blink)
{
return (0);
}
static int
versatilefb_blank_display(video_adapter_t *adp, int mode)
{
struct video_adapter_softc *sc;
sc = (struct video_adapter_softc *)adp;
if (sc && sc->fb_addr)
memset((void*)sc->fb_addr, 0, sc->fb_size);
return (0);
}
static int
versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
int prot, vm_memattr_t *memattr)
{
struct video_adapter_softc *sc;
sc = (struct video_adapter_softc *)adp;
/*
* This might be a legacy VGA mem request: if so, just point it at the
* framebuffer, since it shouldn't be touched
*/
if (offset < sc->stride*sc->height) {
*paddr = sc->fb_addr + offset;
return (0);
}
return (EINVAL);
}
static int
versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
{
return (0);
}
static int
versatilefb_clear(video_adapter_t *adp)
{
return (versatilefb_blank_display(adp, 0));
}
static int
versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
{
return (0);
}
static int
versatilefb_bitblt(video_adapter_t *adp, ...)
{
return (0);
}
static int
versatilefb_diag(video_adapter_t *adp, int level)
{
return (0);
}
static int
versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
{
return (0);
}
static int
versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
{
return (0);
}
static int
versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
{
return (0);
}
static int
versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
int size, int bpp, int bit_ltor, int byte_ltor)
{
return (0);
}
static int
versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
{
struct video_adapter_softc *sc;
int row;
int col;
int i, j, k;
uint8_t *addr;
u_char *p;
uint8_t fg, bg, color;
uint16_t rgb;
sc = (struct video_adapter_softc *)adp;
if (sc->fb_addr == 0)
return (0);
if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
return (0);
row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
p = sc->font + c*VERSATILE_FONT_HEIGHT;
addr = (uint8_t *)sc->fb_addr
+ (row + sc->ymargin)*(sc->stride)
+ (sc->depth/8) * (col + sc->xmargin);
fg = a & 0xf ;
bg = (a >> 4) & 0xf;
for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
for (j = 0, k = 7; j < 8; j++, k--) {
if ((p[i] & (1 << k)) == 0)
color = bg;
else
color = fg;
switch (sc->depth) {
case 16:
rgb = (versatilefb_palette[color].r >> 3) << 11;
rgb |= (versatilefb_palette[color].g >> 2) << 5;
rgb |= (versatilefb_palette[color].b >> 3);
addr[2*j] = rgb & 0xff;
addr[2*j + 1] = (rgb >> 8) & 0xff;
default:
/* Not supported yet */
break;
}
}
addr += (sc->stride);
}
return (0);
}
static int
versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
{
int i;
for (i = 0; i < len; i++)
versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
return (0);
}
static int
versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
uint32_t pixel_mask, int size, int width)
{
return (0);
}
/*
* Define a stub keyboard driver in case one hasn't been
* compiled into the kernel
*/
#include <sys/kbio.h>
#include <dev/kbd/kbdreg.h>
static int dummy_kbd_configure(int flags);
keyboard_switch_t bcmdummysw;
static int
dummy_kbd_configure(int flags)
{
return (0);
}
KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure);
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