/* $NetBSD: omap3_dss.c,v 1.7 2022/09/27 06:36:43 skrll Exp $ */
/*
* Copyright (c) 2010 Michael Lorenz
* 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 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.
*/
/*
* A console driver for OMAP 3530's built-in video controller
* tested on beagleboard only so far
*/
#include "opt_wsdisplay_compat.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: omap3_dss.c,v 1.7 2022/09/27 06:36:43 skrll Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/lwp.h>
#include <sys/kauth.h>
#include <sys/bus.h>
#include <uvm/uvm_extern.h>
#include <dev/videomode/videomode.h>
#include <dev/videomode/edidvar.h>
#include <dev/fdt/fdtvar.h>
#include <arm/ti/omap3_dssreg.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wsfont/wsfont.h>
#include <dev/rasops/rasops.h>
#include <dev/wscons/wsdisplay_vconsvar.h>
struct omapfb_softc {
device_t sc_dev;
bus_space_tag_t sc_iot;
bus_dma_tag_t sc_dmat;
bus_space_handle_t sc_regh;
bus_dmamap_t sc_dmamap;
bus_dma_segment_t sc_dmamem[1];
size_t sc_vramsize;
int sc_width, sc_height, sc_depth, sc_stride;
int sc_locked;
void *sc_fbaddr, *sc_vramaddr;
int sc_cursor_offset;
uint32_t *sc_cursor_img;
int sc_cursor_x, sc_cursor_y;
int sc_hot_x, sc_hot_y;
uint8_t sc_cursor_bitmap[8 * 64];
uint8_t sc_cursor_mask[8 * 64];
uint32_t sc_cursor_cmap[4];
bus_addr_t sc_fbhwaddr;
uint32_t *sc_clut;
uint32_t sc_dispc_config;
int sc_video_is_on;
struct vcons_screen sc_console_screen;
struct wsscreen_descr sc_defaultscreen_descr;
const struct wsscreen_descr *sc_screens[1];
struct wsscreen_list sc_screenlist;
struct vcons_data vd;
int sc_mode;
uint8_t sc_cmap_red[256], sc_cmap_green[256], sc_cmap_blue[256];
void (*sc_putchar)(void *, int, int, u_int, long);
uint8_t sc_edid_data[1024];
size_t sc_edid_size;
};
static int omapfb_match(device_t, cfdata_t, void *);
static void omapfb_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(omap3_dss, sizeof(struct omapfb_softc),
omapfb_match, omapfb_attach, NULL, NULL);
static int omapfb_ioctl(void *, void *, u_long, void *, int,
struct lwp *);
static paddr_t omapfb_mmap(void *, void *, off_t, int);
static void omapfb_init_screen(void *, struct vcons_screen *, int, long *);
static int omapfb_putcmap(struct omapfb_softc *, struct wsdisplay_cmap *);
static int omapfb_getcmap(struct omapfb_softc *, struct wsdisplay_cmap *);
static void omapfb_restore_palette(struct omapfb_softc *);
static void omapfb_putpalreg(struct omapfb_softc *, int, uint8_t,
uint8_t, uint8_t);
static int omapfb_set_depth(struct omapfb_softc *, int);
static void omapfb_set_video(struct omapfb_softc *, int);
static void omapfb_move_cursor(struct omapfb_softc *, int, int);
static int omapfb_do_cursor(struct omapfb_softc *,
struct wsdisplay_cursor *);
#if NOMAPDMA > 0
static void omapfb_init(struct omapfb_softc *);
static void omapfb_wait_idle(struct omapfb_softc *);
static void omapfb_rectfill(struct omapfb_softc *, int, int, int, int,
uint32_t);
static void omapfb_bitblt(struct omapfb_softc *, int, int, int, int, int,
int, int);
static void omapfb_cursor(void *, int, int, int);
static void omapfb_putchar(void *, int, int, u_int, long);
static void omapfb_copycols(void *, int, int, int, int);
static void omapfb_erasecols(void *, int, int, int, long);
static void omapfb_copyrows(void *, int, int, int);
static void omapfb_eraserows(void *, int, int, long);
#endif /* NOMAPDMA > 0 */
struct wsdisplay_accessops omapfb_accessops = {
omapfb_ioctl,
omapfb_mmap,
NULL, /* alloc_screen */
NULL, /* free_screen */
NULL, /* show_screen */
NULL, /* load_font */
NULL, /* pollc */
NULL /* scroll */
};
uint32_t venc_mode_ntsc[] = {
0x00000000, 0x00000001, 0x00008040, 0x00000359,
0x0000020c, 0x00000000, 0x043f2631, 0x00000000,
0x00000102, 0x0000016c, 0x0000012f, 0x00000043,
0x00000038, 0x00000007, 0x00000001, 0x00000038,
0x21f07c1f, 0x00000000, 0x01310011, 0x0000f003,
0x00000000, 0x069300f4, 0x0016020c, 0x00060107,
0x008e0350, 0x000f0359, 0x01a00000, 0x020701a0,
0x01ac0024, 0x020d01ac, 0x00000006, 0x03480078,
0x02060024, 0x0001008a, 0x01ac0106, 0x01060006,
0x00140001, 0x00010001, 0x00f90000, 0x0000000d,
0x00000000};
extern const u_char rasops_cmap[768];
static const struct device_compatible_entry compat_data[] = {
{ .compat = "ti,omap3-dss" },
DEVICE_COMPAT_EOL
};
static int omapfb_console_phandle = -1;
static int
omapfb_match(device_t parent, cfdata_t match, void *aux)
{
struct fdt_attach_args * const faa = aux;
return of_compatible_match(faa->faa_phandle, compat_data);
}
static void
omapfb_attach(device_t parent, device_t self, void *aux)
{
struct omapfb_softc *sc = device_private(self);
struct fdt_attach_args *faa = aux;
const int phandle = faa->faa_phandle;
struct rasops_info *ri;
struct wsemuldisplaydev_attach_args aa;
prop_dictionary_t dict;
prop_data_t edid_data;
unsigned long defattr;
#ifdef WSDISPLAY_MULTICONS
bool is_console = true;
#else
bool is_console = phandle == omapfb_console_phandle;
#endif
uint32_t sz, reg;
int segs, i, j;
bus_addr_t addr;
bus_size_t size;
if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
aprint_error(": couldn't get registers\n");
return;
}
sc->sc_dev = self;
sc->sc_iot = faa->faa_bst;
sc->sc_dmat = faa->faa_dmat;
if (bus_space_map(sc->sc_iot, addr, size, 0, &sc->sc_regh) != 0) {
aprint_error(": couldn't map registers\n");
return;
}
aprint_naive("\n");
aprint_normal(": OMAP onboard video\n");
sc->sc_video_is_on = 1;
/*
* XXX
* different u-boot versions initialize the graphics controller in
* different ways, so we look for the display resolution in a few
* different places...
*/
sz = bus_space_read_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_SIZE);
if (sz == 0) {
sz = bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_SIZE_LCD);
}
if (sz == 0) {
sz = bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_SIZE_DIG);
}
/* ... and make sure it ends up where we need it */
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_SIZE, sz);
sc->sc_width = (sz & 0xfff) + 1;
sc->sc_height = ((sz & 0x0fff0000 ) >> 16) + 1;
sc->sc_depth = 16;
sc->sc_stride = sc->sc_width << 1;
if (sc->sc_width == 1 || sc->sc_height == 1) {
aprint_error_dev(self, "bogus display size, not attaching\n");
return;
}
printf("%s: firmware set up %d x %d\n", device_xname(self),
sc->sc_width, sc->sc_height);
#if 0
printf("DSS revision: %08x\n",
bus_space_read_4(sc->sc_iot, sc->sc_regh, OMAPFB_DSS_REVISION));
#endif
dict = device_properties(self);
edid_data = prop_dictionary_get(dict, "EDID");
if (edid_data != NULL) {
struct edid_info ei;
sc->sc_edid_size = uimin(prop_data_size(edid_data), 1024);
memset(sc->sc_edid_data, 0, sizeof(sc->sc_edid_data));
memcpy(sc->sc_edid_data, prop_data_value(edid_data), sc->sc_edid_size);
edid_parse(sc->sc_edid_data, &ei);
edid_print(&ei);
}
/* setup video DMA */
sc->sc_vramsize = (12 << 20) + PAGE_SIZE; /* 12MB + CLUT */
if (bus_dmamem_alloc(sc->sc_dmat, sc->sc_vramsize, 0, 0,
sc->sc_dmamem, 1, &segs, BUS_DMA_NOWAIT) != 0) {
panic("boo!\n");
aprint_error_dev(sc->sc_dev,
"failed to allocate video memory\n");
return;
}
if (bus_dmamem_map(sc->sc_dmat, sc->sc_dmamem, 1, sc->sc_vramsize,
&sc->sc_vramaddr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT) != 0) {
aprint_error_dev(sc->sc_dev, "failed to map video RAM\n");
return;
}
sc->sc_fbaddr = (uint8_t *)sc->sc_vramaddr + PAGE_SIZE;
sc->sc_clut = sc->sc_vramaddr;
if (bus_dmamap_create(sc->sc_dmat, sc->sc_vramsize, 1, sc->sc_vramsize,
0, BUS_DMA_NOWAIT, &sc->sc_dmamap) != 0) {
aprint_error_dev(sc->sc_dev, "failed to create DMA map\n");
return;
}
if (bus_dmamap_load(sc->sc_dmat, sc->sc_dmamap, sc->sc_vramaddr,
sc->sc_vramsize, NULL, BUS_DMA_NOWAIT) != 0) {
aprint_error_dev(sc->sc_dev, "failed to load DMA map\n");
return;
}
if (sc->sc_depth == 8) {
j = 0;
for (i = 0; i < 256; i++) {
sc->sc_cmap_red[i] = rasops_cmap[j];
sc->sc_cmap_green[i] = rasops_cmap[j + 1];
sc->sc_cmap_blue[i] = rasops_cmap[j + 2];
j += 3;
}
} else {
for (i = 0; i < 256; i++) {
sc->sc_cmap_red[i] = i;
sc->sc_cmap_green[i] = i;
sc->sc_cmap_blue[i] = i;
}
}
omapfb_restore_palette(sc);
/* now that we have video memory, stick it to the video controller */
reg = bus_space_read_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_SYSCONFIG);
reg &= ~(OMAP_DISPC_SYSC_STANDBY_MASK | OMAP_DISPC_SYSC_IDLE_MASK);
reg |= OMAP_DISPC_SYSC_SMART_STANDBY | OMAP_DISPC_SYSC_SMART_IDLE |
OMAP_DISPC_SYSC_WAKEUP_ENABLE | OMAP_SYSCONF_AUTOIDLE;
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_SYSCONFIG, reg);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DSS_SYSCONFIG,
OMAP_SYSCONF_AUTOIDLE);
reg = OMAP_DISPC_CFG_TV_ALPHA_EN | OMAP_DISPC_CFG_LCD_ALPHA_EN;
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONFIG, reg);
sc->sc_dispc_config = reg;
/* we use overlay 1 for the console and X */
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GLOBAL_ALPHA,
0x00ff00ff);
sc->sc_fbhwaddr = sc->sc_dmamem->ds_addr + PAGE_SIZE;
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_VID1_BASE_0,
sc->sc_fbhwaddr);
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_VID1_POSITION, 0);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_VID1_SIZE,
((sc->sc_height - 1) << 16) | (sc->sc_width - 1));
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_VID1_PICTURE_SIZE,
((sc->sc_height - 1) << 16) | (sc->sc_width - 1));
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_VID1_ROW_INC, 1);
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_VID1_PIXEL_INC, 1);
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_VID1_PRELOAD, 0x60);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_VID1_ATTRIBUTES,
OMAP_VID_ATTR_ENABLE |
OMAP_VID_ATTR_BURST_16x32 |
OMAP_VID_ATTR_RGB16 |
OMAP_VID_ATTR_REPLICATION);
/* turn off overlay 2 */
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_VID2_ATTRIBUTES, 0);
/* initialize the gfx layer for use as hardware cursor */
sc->sc_cursor_cmap[0] = 0;
sc->sc_cursor_offset = (12 << 20) - (64 * 64 * 4);
sc->sc_cursor_img =
(uint32_t *)((uint8_t *)sc->sc_fbaddr + sc->sc_cursor_offset);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_BASE_0,
sc->sc_fbhwaddr + sc->sc_cursor_offset);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_TABLE_BASE,
sc->sc_dmamem->ds_addr);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_SIZE,
0x003f003f);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_POSITION,
0x00100010);
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_GFX_PRELOAD, 0x60);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_ATTRIBUTES,
/*OMAP_DISPC_ATTR_ENABLE |*/
OMAP_DISPC_ATTR_BURST_16x32 |
OMAP_DISPC_ATTR_ARGB32 |
OMAP_DISPC_ATTR_REPLICATION);
#if 0
printf("dss_control: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DSS_CONTROL));
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DSS_CONTROL,
/*OMAP_DSSCTRL_DISPC_CLK_SWITCH |*/
OMAP_DSSCTRL_CLOCK_MODE |
OMAP_DSSCTRL_VENC_CLOCK_4X |
OMAP_DSSCTRL_DAC_DEMEN);
#endif
#if 0
/* VENC to NTSC mode */
int adr = OMAPFB_VENC_F_CONTROL;
for (i = 0; i < __arraycount(venc_mode_ntsc); i++) {
bus_space_write_4(sc->sc_iot, sc->sc_regh, adr,
venc_mode_ntsc[i]);
adr += 4;
}
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_VENC_F_CONTROL,
venc_mode_ntsc[0]);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_VENC_SYNC_CTRL,
venc_mode_ntsc[2]);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_DEFAULT_COLOR_1,
0x00ff0000);
#endif
/* now we make sure the video output is actually running */
reg = bus_space_read_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL,
reg | OMAP_DISPC_CTRL_GO_LCD | OMAP_DISPC_CTRL_GO_DIGITAL);
#ifdef OMAPFB_DEBUG
printf("attr: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_GFX_ATTRIBUTES));
printf("preload: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_GFX_PRELOAD));
printf("config: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_CONFIG));
printf("control: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_CONTROL));
printf("dss_control: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DSS_CONTROL));
printf("threshold: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_GFX_FIFO_THRESH));
printf("GFX size: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_GFX_SIZE));
printf("row inc: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_GFX_ROW_INC));
printf("pixel inc: %08x\n", bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_GFX_PIXEL_INC));
#endif
sc->sc_defaultscreen_descr = (struct wsscreen_descr){
"default",
0, 0,
NULL,
8, 16,
WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
NULL
};
sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
sc->sc_locked = 0;
vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
&omapfb_accessops);
sc->vd.init_screen = omapfb_init_screen;
/* init engine here */
#if NOMAPDMA > 0
omapfb_init(sc);
#endif
ri = &sc->sc_console_screen.scr_ri;
vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1, &defattr);
sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
#if NOMAPDMA > 0
omapfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
ri->ri_devcmap[(defattr >> 16) & 0xff]);
#endif
sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
if (is_console)
wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
defattr);
vcons_replay_msgbuf(&sc->sc_console_screen);
aa.console = is_console;
aa.scrdata = &sc->sc_screenlist;
aa.accessops = &omapfb_accessops;
aa.accesscookie = &sc->vd;
config_found(sc->sc_dev, &aa, wsemuldisplaydevprint, CFARGS_NONE);
#ifdef OMAPFB_DEBUG
#if NOMAPDMA > 0
omapfb_rectfill(sc, 100, 100, 100, 100, 0xe000);
omapfb_rectfill(sc, 100, 200, 100, 100, 0x01f8);
omapfb_rectfill(sc, 200, 100, 100, 100, 0x01f8);
omapfb_rectfill(sc, 200, 200, 100, 100, 0xe000);
omapfb_bitblt(sc, 100, 100, 400, 100, 200, 200, 0);
/* let's see if we can draw something */
printf("OMAPDMAC_CDAC: %08x\n", omapdma_read_ch_reg(0, OMAPDMAC_CDAC));
printf("OMAPDMAC_CSR: %08x\n", omapdma_read_ch_reg(0, OMAPDMAC_CSR));
printf("OMAPDMAC_CCR: %08x\n", omapdma_read_ch_reg(0, OMAPDMAC_CCR));
#endif
#endif
}
static int
omapfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
struct lwp *l)
{
struct vcons_data *vd = v;
struct omapfb_softc *sc = vd->cookie;
struct wsdisplay_fbinfo *wdf;
struct vcons_screen *ms = vd->active;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_OMAP3;
return 0;
case WSDISPLAYIO_GET_BUSID:
{
struct wsdisplayio_bus_id *busid;
busid = data;
busid->bus_type = WSDISPLAYIO_BUS_SOC;
return 0;
}
case WSDISPLAYIO_GINFO:
if (ms == NULL)
return ENODEV;
wdf = (void *)data;
wdf->height = ms->scr_ri.ri_height;
wdf->width = ms->scr_ri.ri_width;
wdf->depth = 32;
wdf->cmsize = 256;
return 0;
case WSDISPLAYIO_GETCMAP:
return omapfb_getcmap(sc,
(struct wsdisplay_cmap *)data);
case WSDISPLAYIO_PUTCMAP:
return omapfb_putcmap(sc,
(struct wsdisplay_cmap *)data);
case WSDISPLAYIO_LINEBYTES:
*(u_int *)data = sc->sc_width * 4;
return 0;
case WSDISPLAYIO_SMODE:
{
int new_mode = *(int*)data;
if (new_mode != sc->sc_mode) {
sc->sc_mode = new_mode;
if (new_mode == WSDISPLAYIO_MODE_EMUL) {
omapfb_set_depth(sc, 16);
vcons_redraw_screen(ms);
} else {
omapfb_set_depth(sc, 32);
}
}
}
return 0;
case WSDISPLAYIO_GET_FBINFO:
{
struct wsdisplayio_fbinfo *fbi = data;
fbi->fbi_width = sc->sc_width;
fbi->fbi_height = sc->sc_height;
fbi->fbi_stride = sc->sc_width << 2;
fbi->fbi_bitsperpixel = 32;
fbi->fbi_pixeltype = WSFB_RGB;
fbi->fbi_subtype.fbi_rgbmasks.red_offset = 16;
fbi->fbi_subtype.fbi_rgbmasks.red_size = 8;
fbi->fbi_subtype.fbi_rgbmasks.green_offset = 8;
fbi->fbi_subtype.fbi_rgbmasks.green_size = 8;
fbi->fbi_subtype.fbi_rgbmasks.blue_offset = 0;
fbi->fbi_subtype.fbi_rgbmasks.blue_size = 8;
fbi->fbi_subtype.fbi_rgbmasks.alpha_offset = 0;
fbi->fbi_subtype.fbi_rgbmasks.alpha_size = 0;
fbi->fbi_flags = 0;
fbi->fbi_fbsize = sc->sc_vramsize;
fbi->fbi_fboffset = 0;
fbi->fbi_flags = WSFB_VRAM_IS_RAM;
}
return 0;
case WSDISPLAYIO_GVIDEO:
{
int *on = data;
*on = sc->sc_video_is_on;
}
return 0;
case WSDISPLAYIO_SVIDEO:
{
int *on = data;
omapfb_set_video(sc, *on);
}
return 0;
case WSDISPLAYIO_GCURPOS:
{
struct wsdisplay_curpos *cp = (void *)data;
cp->x = sc->sc_cursor_x;
cp->y = sc->sc_cursor_y;
}
return 0;
case WSDISPLAYIO_SCURPOS:
{
struct wsdisplay_curpos *cp = (void *)data;
omapfb_move_cursor(sc, cp->x, cp->y);
}
return 0;
case WSDISPLAYIO_GCURMAX:
{
struct wsdisplay_curpos *cp = (void *)data;
cp->x = 64;
cp->y = 64;
}
return 0;
case WSDISPLAYIO_SCURSOR:
{
struct wsdisplay_cursor *cursor = (void *)data;
return omapfb_do_cursor(sc, cursor);
}
}
return EPASSTHROUGH;
}
static paddr_t
omapfb_mmap(void *v, void *vs, off_t offset, int prot)
{
paddr_t pa = -1;
struct vcons_data *vd = v;
struct omapfb_softc *sc = vd->cookie;
/* 'regular' framebuffer mmap()ing */
if (offset < sc->sc_vramsize) {
pa = bus_dmamem_mmap(sc->sc_dmat, sc->sc_dmamem, 1,
offset + PAGE_SIZE, prot, BUS_DMA_PREFETCHABLE);
return pa;
}
return pa;
}
static void
omapfb_init_screen(void *cookie, struct vcons_screen *scr,
int existing, long *defattr)
{
struct omapfb_softc *sc = cookie;
struct rasops_info *ri = &scr->scr_ri;
ri->ri_depth = sc->sc_depth;
ri->ri_width = sc->sc_width;
ri->ri_height = sc->sc_height;
ri->ri_stride = sc->sc_stride;
ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
ri->ri_bits = (char *)sc->sc_fbaddr;
#if NOMAPDMA < 1
scr->scr_flags |= VCONS_DONT_READ;
#endif
if (existing) {
ri->ri_flg |= RI_CLEAR;
}
rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8);
ri->ri_caps = WSSCREEN_WSCOLORS;
rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
sc->sc_width / ri->ri_font->fontwidth);
ri->ri_hw = scr;
#if NOMAPDMA > 0
ri->ri_ops.copyrows = omapfb_copyrows;
ri->ri_ops.copycols = omapfb_copycols;
ri->ri_ops.eraserows = omapfb_eraserows;
ri->ri_ops.erasecols = omapfb_erasecols;
ri->ri_ops.cursor = omapfb_cursor;
sc->sc_putchar = ri->ri_ops.putchar;
ri->ri_ops.putchar = omapfb_putchar;
#endif
}
static int
omapfb_putcmap(struct omapfb_softc *sc, struct wsdisplay_cmap *cm)
{
u_char *r, *g, *b;
u_int index = cm->index;
u_int count = cm->count;
int i, error;
u_char rbuf[256], gbuf[256], bbuf[256];
if (cm->index >= 256 || cm->count > 256 ||
(cm->index + cm->count) > 256)
return EINVAL;
error = copyin(cm->red, &rbuf[index], count);
if (error)
return error;
error = copyin(cm->green, &gbuf[index], count);
if (error)
return error;
error = copyin(cm->blue, &bbuf[index], count);
if (error)
return error;
memcpy(&sc->sc_cmap_red[index], &rbuf[index], count);
memcpy(&sc->sc_cmap_green[index], &gbuf[index], count);
memcpy(&sc->sc_cmap_blue[index], &bbuf[index], count);
r = &sc->sc_cmap_red[index];
g = &sc->sc_cmap_green[index];
b = &sc->sc_cmap_blue[index];
for (i = 0; i < count; i++) {
omapfb_putpalreg(sc, index, *r, *g, *b);
index++;
r++, g++, b++;
}
return 0;
}
static int
omapfb_getcmap(struct omapfb_softc *sc, struct wsdisplay_cmap *cm)
{
u_int index = cm->index;
u_int count = cm->count;
int error;
if (index >= 255 || count > 256 || index + count > 256)
return EINVAL;
error = copyout(&sc->sc_cmap_red[index], cm->red, count);
if (error)
return error;
error = copyout(&sc->sc_cmap_green[index], cm->green, count);
if (error)
return error;
error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
if (error)
return error;
return 0;
}
static void
omapfb_restore_palette(struct omapfb_softc *sc)
{
int i;
for (i = 0; i < 256; i++) {
omapfb_putpalreg(sc, i, sc->sc_cmap_red[i],
sc->sc_cmap_green[i], sc->sc_cmap_blue[i]);
}
}
static void
omapfb_putpalreg(struct omapfb_softc *sc, int idx, uint8_t r, uint8_t g,
uint8_t b)
{
uint32_t reg;
if ((idx < 0) || (idx > 255))
return;
/* whack the DAC */
reg = (r << 16) | (g << 8) | b;
sc->sc_clut[idx] = reg;
}
static int
omapfb_set_depth(struct omapfb_softc *sc, int d)
{
uint32_t reg;
reg = OMAP_VID_ATTR_ENABLE |
OMAP_VID_ATTR_BURST_16x32 |
OMAP_VID_ATTR_REPLICATION;
switch (d) {
case 16:
reg |= OMAP_VID_ATTR_RGB16;
break;
case 32:
reg |= OMAP_VID_ATTR_RGB24;
break;
default:
aprint_error_dev(sc->sc_dev,
"unsupported depth (%d)\n", d);
return EINVAL;
}
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_VID1_ATTRIBUTES, reg);
/*
* now tell the video controller that we're done mucking around and
* actually update its settings
*/
reg = bus_space_read_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL,
reg | OMAP_DISPC_CTRL_GO_LCD | OMAP_DISPC_CTRL_GO_DIGITAL);
sc->sc_depth = d;
sc->sc_stride = sc->sc_width * (sc->sc_depth >> 3);
/* clear the screen here */
#if NOMAPDMA > 0
omapfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, 0);
#else
memset(sc->sc_fbaddr, 0, sc->sc_stride * sc->sc_height);
#endif
return 0;
}
static void
omapfb_set_video(struct omapfb_softc *sc, int on)
{
uint32_t reg;
if (on == sc->sc_video_is_on)
return;
if (on) {
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_CONFIG, sc->sc_dispc_config);
on = 1;
} else {
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_CONFIG, sc->sc_dispc_config |
OMAP_DISPC_CFG_VSYNC_GATED | OMAP_DISPC_CFG_HSYNC_GATED |
OMAP_DISPC_CFG_PIXELCLK_GATED |
OMAP_DISPC_CFG_PIXELDATA_GATED);
}
/*
* now tell the video controller that we're done mucking around and
* actually update its settings
*/
reg = bus_space_read_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL,
reg | OMAP_DISPC_CTRL_GO_LCD | OMAP_DISPC_CTRL_GO_DIGITAL);
aprint_debug_dev(sc->sc_dev, "%s %08x\n", __func__,
bus_space_read_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONFIG));
sc->sc_video_is_on = on;
}
#if NOMAPDMA > 0
static void
omapfb_init(struct omapfb_softc *sc)
{
omapdma_write_ch_reg(0, OMAPDMAC_CLNK_CTRL, 0);
omapdma_write_ch_reg(0, OMAPDMAC_CICRI, 0);
omapdma_write_ch_reg(0, OMAPDMAC_CSDPI,
CSDPI_SRC_BURST_64 | CSDPI_DST_BURST_64 |
CSDPI_WRITE_POSTED | CSDPI_DATA_TYPE_16);
}
static void
omapfb_wait_idle(struct omapfb_softc *sc)
{
while ((omapdma_read_ch_reg(0, OMAPDMAC_CCR) & CCR_WR_ACTIVE) != 0);
}
static void
omapfb_rectfill(struct omapfb_softc *sc, int x, int y, int wi, int he,
uint32_t colour)
{
int bpp = sc->sc_depth >> 3; /* bytes per pixel */
int width_in_bytes = wi * bpp;
uint32_t daddr;
daddr = sc->sc_fbhwaddr + sc->sc_stride * y + x * bpp;
omapfb_wait_idle(sc);
/*
* stupid hardware
* in 32bit mode the DMA controller always writes 0 into the upper
* byte, so we can use this mode only if we actually want that
*/
if (((colour & 0xff00) == 0) &&
(((daddr | width_in_bytes) & 3) == 0)) {
/*
* everything is properly aligned so we can copy stuff in
* 32bit chunks instead of pixel by pixel
*/
wi = wi >> 1;
/* just in case */
colour |= colour << 16;
omapdma_write_ch_reg(0, OMAPDMAC_CSDPI,
CSDPI_SRC_BURST_64 | CSDPI_DST_BURST_64 |
CSDPI_DST_PACKED | CSDPI_WRITE_POSTED_EXCEPT_LAST |
CSDPI_DATA_TYPE_32);
} else {
omapdma_write_ch_reg(0, OMAPDMAC_CSDPI,
CSDPI_SRC_BURST_64 | CSDPI_DST_BURST_64 |
CSDPI_DST_PACKED | CSDPI_WRITE_POSTED_EXCEPT_LAST |
CSDPI_DATA_TYPE_16);
}
omapdma_write_ch_reg(0, OMAPDMAC_CEN, wi);
omapdma_write_ch_reg(0, OMAPDMAC_CFN, he);
omapdma_write_ch_reg(0, OMAPDMAC_CDSA, daddr);
omapdma_write_ch_reg(0, OMAPDMAC_CCR,
CCR_CONST_FILL_ENABLE | CCR_DST_AMODE_DOUBLE_INDEX |
CCR_SRC_AMODE_CONST_ADDR);
omapdma_write_ch_reg(0, OMAPDMAC_CDEI, 1);
omapdma_write_ch_reg(0, OMAPDMAC_CDFI,
(sc->sc_stride - width_in_bytes) + 1);
omapdma_write_ch_reg(0, OMAPDMAC_COLOR, colour);
omapdma_write_ch_reg(0, OMAPDMAC_CCR,
CCR_CONST_FILL_ENABLE | CCR_DST_AMODE_DOUBLE_INDEX |
CCR_SRC_AMODE_CONST_ADDR | CCR_ENABLE);
}
static void
omapfb_bitblt(struct omapfb_softc *sc, int xs, int ys, int xd, int yd,
int wi, int he, int rop)
{
int bpp = sc->sc_depth >> 3; /* bytes per pixel */
int width_in_bytes = wi * bpp;
int hstep, vstep;
uint32_t saddr, daddr;
saddr = sc->sc_fbhwaddr + sc->sc_stride * ys + xs * bpp;
daddr = sc->sc_fbhwaddr + sc->sc_stride * yd + xd * bpp;
if (ys < yd) {
/* need to go vertically backwards */
vstep = 1 - (sc->sc_stride + width_in_bytes);
saddr += sc->sc_stride * (he - 1);
daddr += sc->sc_stride * (he - 1);
} else
vstep = (sc->sc_stride - width_in_bytes) + 1;
if ((xs < xd) && (ys == yd)) {
/*
* need to go horizontally backwards, only needed if source
* and destination pixels are on the same line
*/
hstep = 1 - (sc->sc_depth >> 2);
vstep = sc->sc_stride + bpp * (wi - 1) + 1;
saddr += bpp * (wi - 1);
daddr += bpp * (wi - 1);
} else
hstep = 1;
omapfb_wait_idle(sc);
if (((saddr | daddr | width_in_bytes) & 3) == 0) {
/*
* everything is properly aligned so we can copy stuff in
* 32bit chunks instead of pixel by pixel
*/
wi = wi >> 1;
omapdma_write_ch_reg(0, OMAPDMAC_CSDPI,
CSDPI_SRC_BURST_64 | CSDPI_DST_BURST_64 |
CSDPI_DST_PACKED | CSDPI_WRITE_POSTED_EXCEPT_LAST |
CSDPI_DATA_TYPE_32);
} else {
omapdma_write_ch_reg(0, OMAPDMAC_CSDPI,
CSDPI_SRC_BURST_64 | CSDPI_DST_BURST_64 |
CSDPI_DST_PACKED | CSDPI_WRITE_POSTED_EXCEPT_LAST |
CSDPI_DATA_TYPE_16);
}
omapdma_write_ch_reg(0, OMAPDMAC_CEN, wi);
omapdma_write_ch_reg(0, OMAPDMAC_CFN, he);
omapdma_write_ch_reg(0, OMAPDMAC_CSSA, saddr);
omapdma_write_ch_reg(0, OMAPDMAC_CDSA, daddr);
omapdma_write_ch_reg(0, OMAPDMAC_CCR,
CCR_DST_AMODE_DOUBLE_INDEX |
CCR_SRC_AMODE_DOUBLE_INDEX);
omapdma_write_ch_reg(0, OMAPDMAC_CSEI, hstep);
omapdma_write_ch_reg(0, OMAPDMAC_CSFI, vstep);
omapdma_write_ch_reg(0, OMAPDMAC_CDEI, hstep);
omapdma_write_ch_reg(0, OMAPDMAC_CDFI, vstep);
omapdma_write_ch_reg(0, OMAPDMAC_CCR,
CCR_DST_AMODE_DOUBLE_INDEX |
CCR_SRC_AMODE_DOUBLE_INDEX | CCR_ENABLE);
}
static void
omapfb_cursor(void *cookie, int on, int row, int col)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct omapfb_softc *sc = scr->scr_cookie;
int pos;
pos = col + row * ri->ri_cols;
pos += vcons_offset_to_zero(scr);
if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
if (ri->ri_flg & RI_CURSOR) {
omapfb_putchar(cookie, row, col, scr->scr_chars[pos],
scr->scr_attrs[pos]);
ri->ri_flg &= ~RI_CURSOR;
}
ri->ri_crow = row;
ri->ri_ccol = col;
if (on) {
omapfb_putchar(cookie, row, col, scr->scr_chars[pos],
scr->scr_attrs[pos] ^ 0x0f0f0000);
ri->ri_flg |= RI_CURSOR;
}
} else {
scr->scr_ri.ri_crow = row;
scr->scr_ri.ri_ccol = col;
scr->scr_ri.ri_flg &= ~RI_CURSOR;
}
}
static void
omapfb_putchar(void *cookie, int row, int col, u_int c, long attr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct omapfb_softc *sc = scr->scr_cookie;
if (c == 0x20) {
uint32_t fg, bg, ul;
rasops_unpack_attr(attr, &fg, &bg, &ul);
omapfb_rectfill(sc,
ri->ri_xorigin + ri->ri_font->fontwidth * col,
ri->ri_yorigin + ri->ri_font->fontheight * row,
ri->ri_font->fontwidth,
ri->ri_font->fontheight,
ri->ri_devcmap[bg]);
return;
}
omapfb_wait_idle(sc);
sc->sc_putchar(cookie, row, col, c, attr);
}
static void
omapfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct omapfb_softc *sc = scr->scr_cookie;
int32_t xs, xd, y, width, height;
if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
width = ri->ri_font->fontwidth * ncols;
height = ri->ri_font->fontheight;
omapfb_bitblt(sc, xs, y, xd, y, width, height, 12);
}
}
static void
omapfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct omapfb_softc *sc = scr->scr_cookie;
int32_t x, y, width, height, fg, bg, ul;
if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
width = ri->ri_font->fontwidth * ncols;
height = ri->ri_font->fontheight;
rasops_unpack_attr(fillattr, &fg, &bg, &ul);
omapfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
}
}
static void
omapfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct omapfb_softc *sc = scr->scr_cookie;
int32_t x, ys, yd, width, height;
if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
x = ri->ri_xorigin;
ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
width = ri->ri_emuwidth;
height = ri->ri_font->fontheight * nrows;
omapfb_bitblt(sc, x, ys, x, yd, width, height, 12);
}
}
static void
omapfb_eraserows(void *cookie, int row, int nrows, long fillattr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct omapfb_softc *sc = scr->scr_cookie;
int32_t x, y, width, height, fg, bg, ul;
if ((sc->sc_locked == 0) && (sc->sc_mode == WSDISPLAYIO_MODE_EMUL)) {
x = ri->ri_xorigin;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
width = ri->ri_emuwidth;
height = ri->ri_font->fontheight * nrows;
rasops_unpack_attr(fillattr, &fg, &bg, &ul);
omapfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
}
}
#endif /* NOMAPDMA > 0 */
static void
omapfb_move_cursor(struct omapfb_softc *sc, int x, int y)
{
uint32_t pos, reg, addr;
int xx, yy, wi = 64, he = 64;
/*
* we need to special case anything and everything where the cursor
* may be partially off screen
*/
addr = sc->sc_fbhwaddr + sc->sc_cursor_offset;
xx = x - sc->sc_hot_x;
yy = y - sc->sc_hot_y;
/*
* if we're off to the top or left we need to shif the start address
* and shrink the gfx layer size
*/
if (xx < 0) {
wi += xx;
addr -= xx * 4;
xx = 0;
}
if (yy < 0) {
he += yy;
addr -= yy * 64 * 4;
yy = 0;
}
if (xx > (sc->sc_width - 64)) {
wi -= (xx + 64 - sc->sc_width);
}
if (yy > (sc->sc_height - 64)) {
he -= (yy + 64 - sc->sc_height);
}
pos = (yy << 16) | xx;
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_BASE_0,
addr);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_POSITION,
pos);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_SIZE,
((he - 1) << 16) | (wi - 1));
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_GFX_ROW_INC,
(64 - wi) * 4 + 1);
/*
* now tell the video controller that we're done mucking around and
* actually update its settings
*/
reg = bus_space_read_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL,
reg | OMAP_DISPC_CTRL_GO_LCD | OMAP_DISPC_CTRL_GO_DIGITAL);
}
static int
omapfb_do_cursor(struct omapfb_softc * sc,
struct wsdisplay_cursor *cur)
{
int whack = 0;
int shape = 0;
if (cur->which & WSDISPLAY_CURSOR_DOCUR) {
uint32_t attr = OMAP_DISPC_ATTR_BURST_16x32 |
OMAP_DISPC_ATTR_ARGB32 |
OMAP_DISPC_ATTR_REPLICATION;
if (cur->enable) attr |= OMAP_DISPC_ATTR_ENABLE;
bus_space_write_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_GFX_ATTRIBUTES, attr);
whack = 1;
}
if (cur->which & WSDISPLAY_CURSOR_DOHOT) {
sc->sc_hot_x = cur->hot.x;
sc->sc_hot_y = cur->hot.y;
cur->which |= WSDISPLAY_CURSOR_DOPOS;
}
if (cur->which & WSDISPLAY_CURSOR_DOPOS) {
omapfb_move_cursor(sc, cur->pos.x, cur->pos.y);
}
if (cur->which & WSDISPLAY_CURSOR_DOCMAP) {
int i;
uint32_t val;
for (i = 0; i < uimin(cur->cmap.count, 3); i++) {
val = (cur->cmap.red[i] << 16 ) |
(cur->cmap.green[i] << 8) |
(cur->cmap.blue[i] ) |
0xff000000;
sc->sc_cursor_cmap[i + cur->cmap.index + 2] = val;
}
shape = 1;
}
if (cur->which & WSDISPLAY_CURSOR_DOSHAPE) {
copyin(cur->mask, sc->sc_cursor_mask, 64 * 8);
copyin(cur->image, sc->sc_cursor_bitmap, 64 * 8);
shape = 1;
}
if (shape) {
int i, j, idx;
uint8_t mask;
for (i = 0; i < 64 * 8; i++) {
mask = 0x01;
for (j = 0; j < 8; j++) {
idx = ((sc->sc_cursor_mask[i] & mask) ? 2 : 0) |
((sc->sc_cursor_bitmap[i] & mask) ? 1 : 0);
sc->sc_cursor_img[i * 8 + j] =
sc->sc_cursor_cmap[idx];
mask = mask << 1;
}
}
}
if (whack) {
uint32_t reg;
reg = bus_space_read_4(sc->sc_iot, sc->sc_regh,
OMAPFB_DISPC_CONTROL);
bus_space_write_4(sc->sc_iot, sc->sc_regh, OMAPFB_DISPC_CONTROL,
reg | OMAP_DISPC_CTRL_GO_LCD | OMAP_DISPC_CTRL_GO_DIGITAL);
}
return 0;
}
static int
omapfb_console_match(int phandle)
{
return of_compatible_match(phandle, compat_data);
}
static void
omapfb_console_consinit(struct fdt_attach_args *faa, u_int uart_freq)
{
omapfb_console_phandle = faa->faa_phandle;
}
static const struct fdt_console omapfb_fdt_console = {
.match = omapfb_console_match,
.consinit = omapfb_console_consinit,
};
FDT_CONSOLE(omapfb, &omapfb_fdt_console);