bcm2835_fb: add framebuffer device for Raspberry Pi
The framebuffer occupies the upper portion of memory (64MiB by default), but it can only be controlled/configured via a system mailbox or property channel (to be added by a subsequent patch). Signed-off-by: Grégory ESTRADE <gregory.estrade@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Message-id: 1457467526-8840-4-git-send-email-Andrew.Baumann@microsoft.com [AB: added Windows (BGR) support and cleanup/refactoring for upstream submission] Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Grégory ESTRADE
Peter Maydell
parent
97398d900c
commit
5e9c2a8dac
|
|
@ -62,6 +62,16 @@ static void bcm2835_peripherals_init(Object *obj)
|
|||
object_property_add_const_link(OBJECT(&s->mboxes), "mbox-mr",
|
||||
OBJECT(&s->mbox_mr), &error_abort);
|
||||
|
||||
/* Framebuffer */
|
||||
object_initialize(&s->fb, sizeof(s->fb), TYPE_BCM2835_FB);
|
||||
object_property_add_child(obj, "fb", OBJECT(&s->fb), NULL);
|
||||
object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size",
|
||||
&error_abort);
|
||||
qdev_set_parent_bus(DEVICE(&s->fb), sysbus_get_default());
|
||||
|
||||
object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
|
||||
OBJECT(&s->gpu_bus_mr), &error_abort);
|
||||
|
||||
/* Property channel */
|
||||
object_initialize(&s->property, sizeof(s->property), TYPE_BCM2835_PROPERTY);
|
||||
object_property_add_child(obj, "property", OBJECT(&s->property), NULL);
|
||||
|
|
@ -84,7 +94,7 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
|
|||
Object *obj;
|
||||
MemoryRegion *ram;
|
||||
Error *err = NULL;
|
||||
uint32_t ram_size;
|
||||
uint32_t ram_size, vcram_size;
|
||||
CharDriverState *chr;
|
||||
int n;
|
||||
|
||||
|
|
@ -174,6 +184,32 @@ static void bcm2835_peripherals_realize(DeviceState *dev, Error **errp)
|
|||
qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_ARM_IRQ,
|
||||
INTERRUPT_ARM_MAILBOX));
|
||||
|
||||
/* Framebuffer */
|
||||
vcram_size = (uint32_t)object_property_get_int(OBJECT(s), "vcram-size",
|
||||
&err);
|
||||
if (err) {
|
||||
error_propagate(errp, err);
|
||||
return;
|
||||
}
|
||||
|
||||
object_property_set_int(OBJECT(&s->fb), ram_size - vcram_size,
|
||||
"vcram-base", &err);
|
||||
if (err) {
|
||||
error_propagate(errp, err);
|
||||
return;
|
||||
}
|
||||
|
||||
object_property_set_bool(OBJECT(&s->fb), true, "realized", &err);
|
||||
if (err) {
|
||||
error_propagate(errp, err);
|
||||
return;
|
||||
}
|
||||
|
||||
memory_region_add_subregion(&s->mbox_mr, MBOX_CHAN_FB << MBOX_AS_CHAN_SHIFT,
|
||||
sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->fb), 0));
|
||||
sysbus_connect_irq(SYS_BUS_DEVICE(&s->fb), 0,
|
||||
qdev_get_gpio_in(DEVICE(&s->mboxes), MBOX_CHAN_FB));
|
||||
|
||||
/* Property channel */
|
||||
object_property_set_int(OBJECT(&s->property), ram_size, "ram-size", &err);
|
||||
if (err) {
|
||||
|
|
|
|||
|
|
@ -42,6 +42,8 @@ static void bcm2836_init(Object *obj)
|
|||
&error_abort);
|
||||
object_property_add_alias(obj, "board-rev", OBJECT(&s->peripherals),
|
||||
"board-rev", &error_abort);
|
||||
object_property_add_alias(obj, "vcram-size", OBJECT(&s->peripherals),
|
||||
"vcram-size", &error_abort);
|
||||
qdev_set_parent_bus(DEVICE(&s->peripherals), sysbus_get_default());
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -113,6 +113,7 @@ static void setup_boot(MachineState *machine, int version, size_t ram_size)
|
|||
static void raspi2_init(MachineState *machine)
|
||||
{
|
||||
RasPiState *s = g_new0(RasPiState, 1);
|
||||
uint32_t vcram_size;
|
||||
DriveInfo *di;
|
||||
BlockBackend *blk;
|
||||
BusState *bus;
|
||||
|
|
@ -149,7 +150,9 @@ static void raspi2_init(MachineState *machine)
|
|||
qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
|
||||
object_property_set_bool(OBJECT(carddev), true, "realized", &error_fatal);
|
||||
|
||||
setup_boot(machine, 2, machine->ram_size);
|
||||
vcram_size = object_property_get_int(OBJECT(&s->soc), "vcram-size",
|
||||
&error_abort);
|
||||
setup_boot(machine, 2, machine->ram_size - vcram_size);
|
||||
}
|
||||
|
||||
static void raspi2_machine_init(MachineClass *mc)
|
||||
|
|
|
|||
|
|
@ -27,6 +27,7 @@ endif
|
|||
obj-$(CONFIG_OMAP) += omap_dss.o
|
||||
obj-$(CONFIG_OMAP) += omap_lcdc.o
|
||||
obj-$(CONFIG_PXA2XX) += pxa2xx_lcd.o
|
||||
obj-$(CONFIG_RASPI) += bcm2835_fb.o
|
||||
obj-$(CONFIG_SM501) += sm501.o
|
||||
obj-$(CONFIG_TCX) += tcx.o
|
||||
obj-$(CONFIG_CG3) += cg3.o
|
||||
|
|
|
|||
|
|
@ -0,0 +1,424 @@
|
|||
/*
|
||||
* Raspberry Pi emulation (c) 2012 Gregory Estrade
|
||||
* Refactoring for Pi2 Copyright (c) 2015, Microsoft. Written by Andrew Baumann.
|
||||
* This code is licensed under the GNU GPLv2 and later.
|
||||
*
|
||||
* Heavily based on milkymist-vgafb.c, copyright terms below:
|
||||
* QEMU model of the Milkymist VGA framebuffer.
|
||||
*
|
||||
* Copyright (c) 2010-2012 Michael Walle <michael@walle.cc>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "qemu/osdep.h"
|
||||
#include "hw/display/bcm2835_fb.h"
|
||||
#include "hw/display/framebuffer.h"
|
||||
#include "ui/pixel_ops.h"
|
||||
#include "hw/misc/bcm2835_mbox_defs.h"
|
||||
|
||||
#define DEFAULT_VCRAM_SIZE 0x4000000
|
||||
#define BCM2835_FB_OFFSET 0x00100000
|
||||
|
||||
static void fb_invalidate_display(void *opaque)
|
||||
{
|
||||
BCM2835FBState *s = BCM2835_FB(opaque);
|
||||
|
||||
s->invalidate = true;
|
||||
}
|
||||
|
||||
static void draw_line_src16(void *opaque, uint8_t *dst, const uint8_t *src,
|
||||
int width, int deststep)
|
||||
{
|
||||
BCM2835FBState *s = opaque;
|
||||
uint16_t rgb565;
|
||||
uint32_t rgb888;
|
||||
uint8_t r, g, b;
|
||||
DisplaySurface *surface = qemu_console_surface(s->con);
|
||||
int bpp = surface_bits_per_pixel(surface);
|
||||
|
||||
while (width--) {
|
||||
switch (s->bpp) {
|
||||
case 8:
|
||||
/* lookup palette starting at video ram base
|
||||
* TODO: cache translation, rather than doing this each time!
|
||||
*/
|
||||
rgb888 = ldl_le_phys(&s->dma_as, s->vcram_base + (*src << 2));
|
||||
r = (rgb888 >> 0) & 0xff;
|
||||
g = (rgb888 >> 8) & 0xff;
|
||||
b = (rgb888 >> 16) & 0xff;
|
||||
src++;
|
||||
break;
|
||||
case 16:
|
||||
rgb565 = lduw_le_p(src);
|
||||
r = ((rgb565 >> 11) & 0x1f) << 3;
|
||||
g = ((rgb565 >> 5) & 0x3f) << 2;
|
||||
b = ((rgb565 >> 0) & 0x1f) << 3;
|
||||
src += 2;
|
||||
break;
|
||||
case 24:
|
||||
rgb888 = ldl_le_p(src);
|
||||
r = (rgb888 >> 0) & 0xff;
|
||||
g = (rgb888 >> 8) & 0xff;
|
||||
b = (rgb888 >> 16) & 0xff;
|
||||
src += 3;
|
||||
break;
|
||||
case 32:
|
||||
rgb888 = ldl_le_p(src);
|
||||
r = (rgb888 >> 0) & 0xff;
|
||||
g = (rgb888 >> 8) & 0xff;
|
||||
b = (rgb888 >> 16) & 0xff;
|
||||
src += 4;
|
||||
break;
|
||||
default:
|
||||
r = 0;
|
||||
g = 0;
|
||||
b = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
if (s->pixo == 0) {
|
||||
/* swap to BGR pixel format */
|
||||
uint8_t tmp = r;
|
||||
r = b;
|
||||
b = tmp;
|
||||
}
|
||||
|
||||
switch (bpp) {
|
||||
case 8:
|
||||
*dst++ = rgb_to_pixel8(r, g, b);
|
||||
break;
|
||||
case 15:
|
||||
*(uint16_t *)dst = rgb_to_pixel15(r, g, b);
|
||||
dst += 2;
|
||||
break;
|
||||
case 16:
|
||||
*(uint16_t *)dst = rgb_to_pixel16(r, g, b);
|
||||
dst += 2;
|
||||
break;
|
||||
case 24:
|
||||
rgb888 = rgb_to_pixel24(r, g, b);
|
||||
*dst++ = rgb888 & 0xff;
|
||||
*dst++ = (rgb888 >> 8) & 0xff;
|
||||
*dst++ = (rgb888 >> 16) & 0xff;
|
||||
break;
|
||||
case 32:
|
||||
*(uint32_t *)dst = rgb_to_pixel32(r, g, b);
|
||||
dst += 4;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void fb_update_display(void *opaque)
|
||||
{
|
||||
BCM2835FBState *s = opaque;
|
||||
DisplaySurface *surface = qemu_console_surface(s->con);
|
||||
int first = 0;
|
||||
int last = 0;
|
||||
int src_width = 0;
|
||||
int dest_width = 0;
|
||||
|
||||
if (s->lock || !s->xres) {
|
||||
return;
|
||||
}
|
||||
|
||||
src_width = s->xres * (s->bpp >> 3);
|
||||
dest_width = s->xres;
|
||||
|
||||
switch (surface_bits_per_pixel(surface)) {
|
||||
case 0:
|
||||
return;
|
||||
case 8:
|
||||
break;
|
||||
case 15:
|
||||
dest_width *= 2;
|
||||
break;
|
||||
case 16:
|
||||
dest_width *= 2;
|
||||
break;
|
||||
case 24:
|
||||
dest_width *= 3;
|
||||
break;
|
||||
case 32:
|
||||
dest_width *= 4;
|
||||
break;
|
||||
default:
|
||||
hw_error("bcm2835_fb: bad color depth\n");
|
||||
break;
|
||||
}
|
||||
|
||||
if (s->invalidate) {
|
||||
framebuffer_update_memory_section(&s->fbsection, s->dma_mr, s->base,
|
||||
s->yres, src_width);
|
||||
}
|
||||
|
||||
framebuffer_update_display(surface, &s->fbsection, s->xres, s->yres,
|
||||
src_width, dest_width, 0, s->invalidate,
|
||||
draw_line_src16, s, &first, &last);
|
||||
|
||||
if (first >= 0) {
|
||||
dpy_gfx_update(s->con, 0, first, s->xres, last - first + 1);
|
||||
}
|
||||
|
||||
s->invalidate = false;
|
||||
}
|
||||
|
||||
static void bcm2835_fb_mbox_push(BCM2835FBState *s, uint32_t value)
|
||||
{
|
||||
value &= ~0xf;
|
||||
|
||||
s->lock = true;
|
||||
|
||||
s->xres = ldl_le_phys(&s->dma_as, value);
|
||||
s->yres = ldl_le_phys(&s->dma_as, value + 4);
|
||||
s->xres_virtual = ldl_le_phys(&s->dma_as, value + 8);
|
||||
s->yres_virtual = ldl_le_phys(&s->dma_as, value + 12);
|
||||
s->bpp = ldl_le_phys(&s->dma_as, value + 20);
|
||||
s->xoffset = ldl_le_phys(&s->dma_as, value + 24);
|
||||
s->yoffset = ldl_le_phys(&s->dma_as, value + 28);
|
||||
|
||||
s->base = s->vcram_base | (value & 0xc0000000);
|
||||
s->base += BCM2835_FB_OFFSET;
|
||||
|
||||
/* TODO - Manage properly virtual resolution */
|
||||
|
||||
s->pitch = s->xres * (s->bpp >> 3);
|
||||
s->size = s->yres * s->pitch;
|
||||
|
||||
stl_le_phys(&s->dma_as, value + 16, s->pitch);
|
||||
stl_le_phys(&s->dma_as, value + 32, s->base);
|
||||
stl_le_phys(&s->dma_as, value + 36, s->size);
|
||||
|
||||
s->invalidate = true;
|
||||
qemu_console_resize(s->con, s->xres, s->yres);
|
||||
s->lock = false;
|
||||
}
|
||||
|
||||
void bcm2835_fb_reconfigure(BCM2835FBState *s, uint32_t *xres, uint32_t *yres,
|
||||
uint32_t *xoffset, uint32_t *yoffset, uint32_t *bpp,
|
||||
uint32_t *pixo, uint32_t *alpha)
|
||||
{
|
||||
s->lock = true;
|
||||
|
||||
/* TODO: input validation! */
|
||||
if (xres) {
|
||||
s->xres = *xres;
|
||||
}
|
||||
if (yres) {
|
||||
s->yres = *yres;
|
||||
}
|
||||
if (xoffset) {
|
||||
s->xoffset = *xoffset;
|
||||
}
|
||||
if (yoffset) {
|
||||
s->yoffset = *yoffset;
|
||||
}
|
||||
if (bpp) {
|
||||
s->bpp = *bpp;
|
||||
}
|
||||
if (pixo) {
|
||||
s->pixo = *pixo;
|
||||
}
|
||||
if (alpha) {
|
||||
s->alpha = *alpha;
|
||||
}
|
||||
|
||||
/* TODO - Manage properly virtual resolution */
|
||||
|
||||
s->pitch = s->xres * (s->bpp >> 3);
|
||||
s->size = s->yres * s->pitch;
|
||||
|
||||
s->invalidate = true;
|
||||
qemu_console_resize(s->con, s->xres, s->yres);
|
||||
s->lock = false;
|
||||
}
|
||||
|
||||
static uint64_t bcm2835_fb_read(void *opaque, hwaddr offset, unsigned size)
|
||||
{
|
||||
BCM2835FBState *s = opaque;
|
||||
uint32_t res = 0;
|
||||
|
||||
switch (offset) {
|
||||
case MBOX_AS_DATA:
|
||||
res = MBOX_CHAN_FB;
|
||||
s->pending = false;
|
||||
qemu_set_irq(s->mbox_irq, 0);
|
||||
break;
|
||||
|
||||
case MBOX_AS_PENDING:
|
||||
res = s->pending;
|
||||
break;
|
||||
|
||||
default:
|
||||
qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n",
|
||||
__func__, offset);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
static void bcm2835_fb_write(void *opaque, hwaddr offset, uint64_t value,
|
||||
unsigned size)
|
||||
{
|
||||
BCM2835FBState *s = opaque;
|
||||
|
||||
switch (offset) {
|
||||
case MBOX_AS_DATA:
|
||||
/* bcm2835_mbox should check our pending status before pushing */
|
||||
assert(!s->pending);
|
||||
s->pending = true;
|
||||
bcm2835_fb_mbox_push(s, value);
|
||||
qemu_set_irq(s->mbox_irq, 1);
|
||||
break;
|
||||
|
||||
default:
|
||||
qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset %"HWADDR_PRIx"\n",
|
||||
__func__, offset);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
static const MemoryRegionOps bcm2835_fb_ops = {
|
||||
.read = bcm2835_fb_read,
|
||||
.write = bcm2835_fb_write,
|
||||
.endianness = DEVICE_NATIVE_ENDIAN,
|
||||
.valid.min_access_size = 4,
|
||||
.valid.max_access_size = 4,
|
||||
};
|
||||
|
||||
static const VMStateDescription vmstate_bcm2835_fb = {
|
||||
.name = TYPE_BCM2835_FB,
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_BOOL(lock, BCM2835FBState),
|
||||
VMSTATE_BOOL(invalidate, BCM2835FBState),
|
||||
VMSTATE_BOOL(pending, BCM2835FBState),
|
||||
VMSTATE_UINT32(xres, BCM2835FBState),
|
||||
VMSTATE_UINT32(yres, BCM2835FBState),
|
||||
VMSTATE_UINT32(xres_virtual, BCM2835FBState),
|
||||
VMSTATE_UINT32(yres_virtual, BCM2835FBState),
|
||||
VMSTATE_UINT32(xoffset, BCM2835FBState),
|
||||
VMSTATE_UINT32(yoffset, BCM2835FBState),
|
||||
VMSTATE_UINT32(bpp, BCM2835FBState),
|
||||
VMSTATE_UINT32(base, BCM2835FBState),
|
||||
VMSTATE_UINT32(pitch, BCM2835FBState),
|
||||
VMSTATE_UINT32(size, BCM2835FBState),
|
||||
VMSTATE_UINT32(pixo, BCM2835FBState),
|
||||
VMSTATE_UINT32(alpha, BCM2835FBState),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
static const GraphicHwOps vgafb_ops = {
|
||||
.invalidate = fb_invalidate_display,
|
||||
.gfx_update = fb_update_display,
|
||||
};
|
||||
|
||||
static void bcm2835_fb_init(Object *obj)
|
||||
{
|
||||
BCM2835FBState *s = BCM2835_FB(obj);
|
||||
|
||||
memory_region_init_io(&s->iomem, obj, &bcm2835_fb_ops, s, TYPE_BCM2835_FB,
|
||||
0x10);
|
||||
sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->iomem);
|
||||
sysbus_init_irq(SYS_BUS_DEVICE(s), &s->mbox_irq);
|
||||
}
|
||||
|
||||
static void bcm2835_fb_reset(DeviceState *dev)
|
||||
{
|
||||
BCM2835FBState *s = BCM2835_FB(dev);
|
||||
|
||||
s->pending = false;
|
||||
|
||||
s->xres_virtual = s->xres;
|
||||
s->yres_virtual = s->yres;
|
||||
s->xoffset = 0;
|
||||
s->yoffset = 0;
|
||||
s->base = s->vcram_base + BCM2835_FB_OFFSET;
|
||||
s->pitch = s->xres * (s->bpp >> 3);
|
||||
s->size = s->yres * s->pitch;
|
||||
|
||||
s->invalidate = true;
|
||||
s->lock = false;
|
||||
}
|
||||
|
||||
static void bcm2835_fb_realize(DeviceState *dev, Error **errp)
|
||||
{
|
||||
BCM2835FBState *s = BCM2835_FB(dev);
|
||||
Error *err = NULL;
|
||||
Object *obj;
|
||||
|
||||
if (s->vcram_base == 0) {
|
||||
error_setg(errp, "%s: required vcram-base property not set", __func__);
|
||||
return;
|
||||
}
|
||||
|
||||
obj = object_property_get_link(OBJECT(dev), "dma-mr", &err);
|
||||
if (obj == NULL) {
|
||||
error_setg(errp, "%s: required dma-mr link not found: %s",
|
||||
__func__, error_get_pretty(err));
|
||||
return;
|
||||
}
|
||||
|
||||
s->dma_mr = MEMORY_REGION(obj);
|
||||
address_space_init(&s->dma_as, s->dma_mr, NULL);
|
||||
|
||||
bcm2835_fb_reset(dev);
|
||||
|
||||
s->con = graphic_console_init(dev, 0, &vgafb_ops, s);
|
||||
qemu_console_resize(s->con, s->xres, s->yres);
|
||||
}
|
||||
|
||||
static Property bcm2835_fb_props[] = {
|
||||
DEFINE_PROP_UINT32("vcram-base", BCM2835FBState, vcram_base, 0),/*required*/
|
||||
DEFINE_PROP_UINT32("vcram-size", BCM2835FBState, vcram_size,
|
||||
DEFAULT_VCRAM_SIZE),
|
||||
DEFINE_PROP_UINT32("xres", BCM2835FBState, xres, 640),
|
||||
DEFINE_PROP_UINT32("yres", BCM2835FBState, yres, 480),
|
||||
DEFINE_PROP_UINT32("bpp", BCM2835FBState, bpp, 16),
|
||||
DEFINE_PROP_UINT32("pixo", BCM2835FBState, pixo, 1), /* 1=RGB, 0=BGR */
|
||||
DEFINE_PROP_UINT32("alpha", BCM2835FBState, alpha, 2), /* alpha ignored */
|
||||
DEFINE_PROP_END_OF_LIST()
|
||||
};
|
||||
|
||||
static void bcm2835_fb_class_init(ObjectClass *klass, void *data)
|
||||
{
|
||||
DeviceClass *dc = DEVICE_CLASS(klass);
|
||||
|
||||
dc->props = bcm2835_fb_props;
|
||||
dc->realize = bcm2835_fb_realize;
|
||||
dc->reset = bcm2835_fb_reset;
|
||||
dc->vmsd = &vmstate_bcm2835_fb;
|
||||
}
|
||||
|
||||
static TypeInfo bcm2835_fb_info = {
|
||||
.name = TYPE_BCM2835_FB,
|
||||
.parent = TYPE_SYS_BUS_DEVICE,
|
||||
.instance_size = sizeof(BCM2835FBState),
|
||||
.class_init = bcm2835_fb_class_init,
|
||||
.instance_init = bcm2835_fb_init,
|
||||
};
|
||||
|
||||
static void bcm2835_fb_register_types(void)
|
||||
{
|
||||
type_register_static(&bcm2835_fb_info);
|
||||
}
|
||||
|
||||
type_init(bcm2835_fb_register_types)
|
||||
|
|
@ -15,6 +15,7 @@
|
|||
#include "exec/address-spaces.h"
|
||||
#include "hw/sysbus.h"
|
||||
#include "hw/char/bcm2835_aux.h"
|
||||
#include "hw/display/bcm2835_fb.h"
|
||||
#include "hw/intc/bcm2835_ic.h"
|
||||
#include "hw/misc/bcm2835_property.h"
|
||||
#include "hw/misc/bcm2835_mbox.h"
|
||||
|
|
@ -35,6 +36,7 @@ typedef struct BCM2835PeripheralState {
|
|||
|
||||
SysBusDevice *uart0;
|
||||
BCM2835AuxState aux;
|
||||
BCM2835FBState fb;
|
||||
BCM2835ICState ic;
|
||||
BCM2835PropertyState property;
|
||||
BCM2835MboxState mboxes;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,47 @@
|
|||
/*
|
||||
* Raspberry Pi emulation (c) 2012 Gregory Estrade
|
||||
* Upstreaming code cleanup [including bcm2835_*] (c) 2013 Jan Petrous
|
||||
*
|
||||
* Rasperry Pi 2 emulation and refactoring Copyright (c) 2015, Microsoft
|
||||
* Written by Andrew Baumann
|
||||
*
|
||||
* This code is licensed under the GNU GPLv2 and later.
|
||||
*/
|
||||
|
||||
#ifndef BCM2835_FB_H
|
||||
#define BCM2835_FB_H
|
||||
|
||||
#include "hw/sysbus.h"
|
||||
#include "exec/address-spaces.h"
|
||||
#include "ui/console.h"
|
||||
|
||||
#define TYPE_BCM2835_FB "bcm2835-fb"
|
||||
#define BCM2835_FB(obj) OBJECT_CHECK(BCM2835FBState, (obj), TYPE_BCM2835_FB)
|
||||
|
||||
typedef struct {
|
||||
/*< private >*/
|
||||
SysBusDevice busdev;
|
||||
/*< public >*/
|
||||
|
||||
uint32_t vcram_base, vcram_size;
|
||||
MemoryRegion *dma_mr;
|
||||
AddressSpace dma_as;
|
||||
MemoryRegion iomem;
|
||||
MemoryRegionSection fbsection;
|
||||
QemuConsole *con;
|
||||
qemu_irq mbox_irq;
|
||||
|
||||
bool lock, invalidate, pending;
|
||||
uint32_t xres, yres;
|
||||
uint32_t xres_virtual, yres_virtual;
|
||||
uint32_t xoffset, yoffset;
|
||||
uint32_t bpp;
|
||||
uint32_t base, pitch, size;
|
||||
uint32_t pixo, alpha;
|
||||
} BCM2835FBState;
|
||||
|
||||
void bcm2835_fb_reconfigure(BCM2835FBState *s, uint32_t *xres, uint32_t *yres,
|
||||
uint32_t *xoffset, uint32_t *yoffset, uint32_t *bpp,
|
||||
uint32_t *pixo, uint32_t *alpha);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue