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vga: config tweaks, edid updates, qxl bugfix, install new vgabios blobs. 

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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20181015-pull-request' into staging

vga: config tweaks, edid updates, qxl bugfix, install new vgabios blobs.

# gpg: Signature made Mon 15 Oct 2018 10:05:03 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/vga-20181015-pull-request:
  Makefile: Install new vgabios binaries
  hw/display/cirrus_vga: Move "isa-cirrus-vga" device into a separate file
  i2c: switch ddc to use the new edid generator
  qxl: check qxl_phys2virt return value
  bochs-display: wire up edid support
  display: add separate config option for bochs-display
  edid: fix alignment issues

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-10-15 15:03:45 +01:00
parent 046936ed71 9f42e0b3c2
commit ff56877e91
11 changed files with 240 additions and 337 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Makefile
View File

@ -802,6 +802,7 @@ bepo cz
ifdef INSTALL_BLOBS
BLOBS=bios.bin bios-256k.bin sgabios.bin vgabios.bin vgabios-cirrus.bin \
vgabios-stdvga.bin vgabios-vmware.bin vgabios-qxl.bin vgabios-virtio.bin \
vgabios-ramfb.bin vgabios-bochs-display.bin \
ppc_rom.bin openbios-sparc32 openbios-sparc64 openbios-ppc QEMU,tcx.bin QEMU,cgthree.bin \
pxe-e1000.rom pxe-eepro100.rom pxe-ne2k_pci.rom \
pxe-pcnet.rom pxe-rtl8139.rom pxe-virtio.rom \

1
default-configs/pci.mak
View File

@ -44,5 +44,6 @@ CONFIG_SDHCI=y
CONFIG_EDU=y
CONFIG_VGA=y
CONFIG_VGA_PCI=y
CONFIG_BOCHS_DISPLAY=y
CONFIG_IVSHMEM_DEVICE=$(CONFIG_IVSHMEM)
CONFIG_ROCKER=y

4
hw/display/Makefile.objs
View File

@ -5,6 +5,7 @@ common-obj-$(CONFIG_FW_CFG_DMA) += ramfb-standalone.o
common-obj-$(CONFIG_ADS7846) += ads7846.o
common-obj-$(CONFIG_VGA_CIRRUS) += cirrus_vga.o
common-obj-$(call land,$(CONFIG_VGA_CIRRUS),$(CONFIG_VGA_ISA))+=cirrus_vga_isa.o
common-obj-$(CONFIG_G364FB) += g364fb.o
common-obj-$(CONFIG_JAZZ_LED) += jazz_led.o
common-obj-$(CONFIG_PL110) += pl110.o
@ -14,11 +15,12 @@ common-obj-$(CONFIG_SSD0323) += ssd0323.o
common-obj-$(CONFIG_XEN) += xenfb.o
common-obj-$(CONFIG_VGA_PCI) += vga-pci.o
common-obj-$(CONFIG_VGA_PCI) += bochs-display.o
common-obj-$(CONFIG_VGA_PCI) += edid-region.o
common-obj-$(CONFIG_VGA_ISA) += vga-isa.o
common-obj-$(CONFIG_VGA_ISA_MM) += vga-isa-mm.o
common-obj-$(CONFIG_VMWARE_VGA) += vmware_vga.o
common-obj-$(CONFIG_BOCHS_DISPLAY) += bochs-display.o
common-obj-$(CONFIG_BOCHS_DISPLAY) += edid-region.o
common-obj-$(CONFIG_BLIZZARD) += blizzard.o
common-obj-$(CONFIG_EXYNOS4) += exynos4210_fimd.o

13
hw/display/bochs-display.c
View File

@ -9,6 +9,7 @@
#include "hw/hw.h"
#include "hw/pci/pci.h"
#include "hw/display/bochs-vbe.h"
#include "hw/display/edid.h"
#include "qapi/error.h"
@ -35,9 +36,13 @@ typedef struct BochsDisplayState {
MemoryRegion mmio;
MemoryRegion vbe;
MemoryRegion qext;
MemoryRegion edid;
/* device config */
uint64_t vgamem;
bool enable_edid;
qemu_edid_info edid_info;
uint8_t edid_blob[256];
/* device registers */
uint16_t vbe_regs[VBE_DISPI_INDEX_NB];
@ -283,6 +288,12 @@ static void bochs_display_realize(PCIDevice *dev, Error **errp)
pci_register_bar(&s->pci, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
pci_register_bar(&s->pci, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
if (s->enable_edid) {
qemu_edid_generate(s->edid_blob, sizeof(s->edid_blob), &s->edid_info);
qemu_edid_region_io(&s->edid, obj, s->edid_blob, sizeof(s->edid_blob));
memory_region_add_subregion(&s->mmio, 0, &s->edid);
}
if (pci_bus_is_express(pci_get_bus(dev))) {
dev->cap_present |= QEMU_PCI_CAP_EXPRESS;
ret = pcie_endpoint_cap_init(dev, 0x80);
@ -325,6 +336,8 @@ static void bochs_display_exit(PCIDevice *dev)
static Property bochs_display_properties[] = {
DEFINE_PROP_SIZE("vgamem", BochsDisplayState, vgamem, 16 * MiB),
DEFINE_PROP_BOOL("edid", BochsDisplayState, enable_edid, false),
DEFINE_EDID_PROPERTIES(BochsDisplayState, edid_info),
DEFINE_PROP_END_OF_LIST(),
};

143
hw/display/cirrus_vga.c
View File

@ -33,8 +33,8 @@
#include "hw/hw.h"
#include "hw/pci/pci.h"
#include "ui/pixel_ops.h"
#include "vga_int.h"
#include "hw/loader.h"
#include "cirrus_vga_internal.h"
/*
* TODO:
@ -52,16 +52,6 @@
*
***************************************/
// ID
#define CIRRUS_ID_CLGD5422 (0x23<<2)
#define CIRRUS_ID_CLGD5426 (0x24<<2)
#define CIRRUS_ID_CLGD5424 (0x25<<2)
#define CIRRUS_ID_CLGD5428 (0x26<<2)
#define CIRRUS_ID_CLGD5430 (0x28<<2)
#define CIRRUS_ID_CLGD5434 (0x2A<<2)
#define CIRRUS_ID_CLGD5436 (0x2B<<2)
#define CIRRUS_ID_CLGD5446 (0x2E<<2)
// sequencer 0x07
#define CIRRUS_SR7_BPP_VGA 0x00
#define CIRRUS_SR7_BPP_SVGA 0x01
@ -176,65 +166,10 @@
#define CIRRUS_PNPMMIO_SIZE 0x1000
struct CirrusVGAState;
typedef void (*cirrus_bitblt_rop_t) (struct CirrusVGAState *s,
uint32_t dstaddr, uint32_t srcaddr,
int dstpitch, int srcpitch,
int bltwidth, int bltheight);
typedef void (*cirrus_fill_t)(struct CirrusVGAState *s,
uint32_t dstaddr, int dst_pitch,
int width, int height);
typedef struct CirrusVGAState {
VGACommonState vga;
MemoryRegion cirrus_vga_io;
MemoryRegion cirrus_linear_io;
MemoryRegion cirrus_linear_bitblt_io;
MemoryRegion cirrus_mmio_io;
MemoryRegion pci_bar;
bool linear_vram; /* vga.vram mapped over cirrus_linear_io */
MemoryRegion low_mem_container; /* container for 0xa0000-0xc0000 */
MemoryRegion low_mem; /* always mapped, overridden by: */
MemoryRegion cirrus_bank[2]; /* aliases at 0xa0000-0xb0000 */
uint32_t cirrus_addr_mask;
uint32_t linear_mmio_mask;
uint8_t cirrus_shadow_gr0;
uint8_t cirrus_shadow_gr1;
uint8_t cirrus_hidden_dac_lockindex;
uint8_t cirrus_hidden_dac_data;
uint32_t cirrus_bank_base[2];
uint32_t cirrus_bank_limit[2];
uint8_t cirrus_hidden_palette[48];
bool enable_blitter;
int cirrus_blt_pixelwidth;
int cirrus_blt_width;
int cirrus_blt_height;
int cirrus_blt_dstpitch;
int cirrus_blt_srcpitch;
uint32_t cirrus_blt_fgcol;
uint32_t cirrus_blt_bgcol;
uint32_t cirrus_blt_dstaddr;
uint32_t cirrus_blt_srcaddr;
uint8_t cirrus_blt_mode;
uint8_t cirrus_blt_modeext;
cirrus_bitblt_rop_t cirrus_rop;
#define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */
uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE];
uint8_t *cirrus_srcptr;
uint8_t *cirrus_srcptr_end;
uint32_t cirrus_srccounter;
/* hwcursor display state */
int last_hw_cursor_size;
int last_hw_cursor_x;
int last_hw_cursor_y;
int last_hw_cursor_y_start;
int last_hw_cursor_y_end;
int real_vram_size; /* XXX: suppress that */
int device_id;
int bustype;
} CirrusVGAState;
typedef struct PCICirrusVGAState {
PCIDevice dev;
CirrusVGAState cirrus_vga;
@ -244,16 +179,6 @@ typedef struct PCICirrusVGAState {
#define PCI_CIRRUS_VGA(obj) \
OBJECT_CHECK(PCICirrusVGAState, (obj), TYPE_PCI_CIRRUS_VGA)
#define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga"
#define ISA_CIRRUS_VGA(obj) \
OBJECT_CHECK(ISACirrusVGAState, (obj), TYPE_ISA_CIRRUS_VGA)
typedef struct ISACirrusVGAState {
ISADevice parent_obj;
CirrusVGAState cirrus_vga;
} ISACirrusVGAState;
static uint8_t rop_to_index[256];
/***************************************
@ -2829,7 +2754,7 @@ static int cirrus_post_load(void *opaque, int version_id)
return 0;
}
static const VMStateDescription vmstate_cirrus_vga = {
const VMStateDescription vmstate_cirrus_vga = {
.name = "cirrus_vga",
.version_id = 2,
.minimum_version_id = 1,
@ -2932,10 +2857,9 @@ static const MemoryRegionOps cirrus_vga_io_ops = {
},
};
static void cirrus_init_common(CirrusVGAState *s, Object *owner,
int device_id, int is_pci,
MemoryRegion *system_memory,
MemoryRegion *system_io)
void cirrus_init_common(CirrusVGAState *s, Object *owner,
int device_id, int is_pci,
MemoryRegion *system_memory, MemoryRegion *system_io)
{
int i;
static int inited;
@ -3029,62 +2953,6 @@ static void cirrus_init_common(CirrusVGAState *s, Object *owner,
qemu_register_reset(cirrus_reset, s);
}
/***************************************
*
* ISA bus support
*
***************************************/
static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
{
ISADevice *isadev = ISA_DEVICE(dev);
ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
VGACommonState *s = &d->cirrus_vga.vga;
/* follow real hardware, cirrus card emulated has 4 MB video memory.
Also accept 8 MB/16 MB for backward compatibility. */
if (s->vram_size_mb != 4 && s->vram_size_mb != 8 &&
s->vram_size_mb != 16) {
error_setg(errp, "Invalid cirrus_vga ram size '%u'",
s->vram_size_mb);
return;
}
s->global_vmstate = true;
vga_common_init(s, OBJECT(dev));
cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
isa_address_space(isadev),
isa_address_space_io(isadev));
s->con = graphic_console_init(dev, 0, s->hw_ops, s);
rom_add_vga(VGABIOS_CIRRUS_FILENAME);
/* XXX ISA-LFB support */
/* FIXME not qdev yet */
}
static Property isa_cirrus_vga_properties[] = {
DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState,
cirrus_vga.vga.vram_size_mb, 4),
DEFINE_PROP_BOOL("blitter", struct ISACirrusVGAState,
cirrus_vga.enable_blitter, true),
DEFINE_PROP_END_OF_LIST(),
};
static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->vmsd = &vmstate_cirrus_vga;
dc->realize = isa_cirrus_vga_realizefn;
dc->props = isa_cirrus_vga_properties;
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
}
static const TypeInfo isa_cirrus_vga_info = {
.name = TYPE_ISA_CIRRUS_VGA,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(ISACirrusVGAState),
.class_init = isa_cirrus_vga_class_init,
};
/***************************************
*
* PCI bus support
@ -3171,7 +3039,6 @@ static const TypeInfo cirrus_vga_info = {
static void cirrus_vga_register_types(void)
{
type_register_static(&isa_cirrus_vga_info);
type_register_static(&cirrus_vga_info);
}

103
hw/display/cirrus_vga_internal.h Normal file
View File

@ -0,0 +1,103 @@
/*
* QEMU Cirrus CLGD 54xx VGA Emulator, ISA bus support
*
* Copyright (c) 2004 Fabrice Bellard
* Copyright (c) 2004 Makoto Suzuki (suzu)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef CIRRUS_VGA_INTERNAL_H
#define CIRRUS_VGA_INTERNAL_H
#include "vga_int.h"
/* IDs */
#define CIRRUS_ID_CLGD5422 (0x23 << 2)
#define CIRRUS_ID_CLGD5426 (0x24 << 2)
#define CIRRUS_ID_CLGD5424 (0x25 << 2)
#define CIRRUS_ID_CLGD5428 (0x26 << 2)
#define CIRRUS_ID_CLGD5430 (0x28 << 2)
#define CIRRUS_ID_CLGD5434 (0x2A << 2)
#define CIRRUS_ID_CLGD5436 (0x2B << 2)
#define CIRRUS_ID_CLGD5446 (0x2E << 2)
extern const VMStateDescription vmstate_cirrus_vga;
struct CirrusVGAState;
typedef void (*cirrus_bitblt_rop_t)(struct CirrusVGAState *s,
uint32_t dstaddr, uint32_t srcaddr,
int dstpitch, int srcpitch,
int bltwidth, int bltheight);
typedef struct CirrusVGAState {
VGACommonState vga;
MemoryRegion cirrus_vga_io;
MemoryRegion cirrus_linear_io;
MemoryRegion cirrus_linear_bitblt_io;
MemoryRegion cirrus_mmio_io;
MemoryRegion pci_bar;
bool linear_vram; /* vga.vram mapped over cirrus_linear_io */
MemoryRegion low_mem_container; /* container for 0xa0000-0xc0000 */
MemoryRegion low_mem; /* always mapped, overridden by: */
MemoryRegion cirrus_bank[2]; /* aliases at 0xa0000-0xb0000 */
uint32_t cirrus_addr_mask;
uint32_t linear_mmio_mask;
uint8_t cirrus_shadow_gr0;
uint8_t cirrus_shadow_gr1;
uint8_t cirrus_hidden_dac_lockindex;
uint8_t cirrus_hidden_dac_data;
uint32_t cirrus_bank_base[2];
uint32_t cirrus_bank_limit[2];
uint8_t cirrus_hidden_palette[48];
bool enable_blitter;
int cirrus_blt_pixelwidth;
int cirrus_blt_width;
int cirrus_blt_height;
int cirrus_blt_dstpitch;
int cirrus_blt_srcpitch;
uint32_t cirrus_blt_fgcol;
uint32_t cirrus_blt_bgcol;
uint32_t cirrus_blt_dstaddr;
uint32_t cirrus_blt_srcaddr;
uint8_t cirrus_blt_mode;
uint8_t cirrus_blt_modeext;
cirrus_bitblt_rop_t cirrus_rop;
#define CIRRUS_BLTBUFSIZE (2048 * 4) /* one line width */
uint8_t cirrus_bltbuf[CIRRUS_BLTBUFSIZE];
uint8_t *cirrus_srcptr;
uint8_t *cirrus_srcptr_end;
uint32_t cirrus_srccounter;
/* hwcursor display state */
int last_hw_cursor_size;
int last_hw_cursor_x;
int last_hw_cursor_y;
int last_hw_cursor_y_start;
int last_hw_cursor_y_end;
int real_vram_size; /* XXX: suppress that */
int device_id;
int bustype;
} CirrusVGAState;
void cirrus_init_common(CirrusVGAState *s, Object *owner,
int device_id, int is_pci,
MemoryRegion *system_memory, MemoryRegion *system_io);
#endif

98
hw/display/cirrus_vga_isa.c Normal file
View File

@ -0,0 +1,98 @@
/*
* QEMU Cirrus CLGD 54xx VGA Emulator, ISA bus support
*
* Copyright (c) 2004 Fabrice Bellard
* Copyright (c) 2004 Makoto Suzuki (suzu)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/hw.h"
#include "hw/loader.h"
#include "hw/isa/isa.h"
#include "cirrus_vga_internal.h"
#define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga"
#define ISA_CIRRUS_VGA(obj) \
OBJECT_CHECK(ISACirrusVGAState, (obj), TYPE_ISA_CIRRUS_VGA)
typedef struct ISACirrusVGAState {
ISADevice parent_obj;
CirrusVGAState cirrus_vga;
} ISACirrusVGAState;
static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
{
ISADevice *isadev = ISA_DEVICE(dev);
ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
VGACommonState *s = &d->cirrus_vga.vga;
/* follow real hardware, cirrus card emulated has 4 MB video memory.
Also accept 8 MB/16 MB for backward compatibility. */
if (s->vram_size_mb != 4 && s->vram_size_mb != 8 &&
s->vram_size_mb != 16) {
error_setg(errp, "Invalid cirrus_vga ram size '%u'",
s->vram_size_mb);
return;
}
s->global_vmstate = true;
vga_common_init(s, OBJECT(dev));
cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
isa_address_space(isadev),
isa_address_space_io(isadev));
s->con = graphic_console_init(dev, 0, s->hw_ops, s);
rom_add_vga(VGABIOS_CIRRUS_FILENAME);
/* XXX ISA-LFB support */
/* FIXME not qdev yet */
}
static Property isa_cirrus_vga_properties[] = {
DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState,
cirrus_vga.vga.vram_size_mb, 4),
DEFINE_PROP_BOOL("blitter", struct ISACirrusVGAState,
cirrus_vga.enable_blitter, true),
DEFINE_PROP_END_OF_LIST(),
};
static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->vmsd = &vmstate_cirrus_vga;
dc->realize = isa_cirrus_vga_realizefn;
dc->props = isa_cirrus_vga_properties;
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
}
static const TypeInfo isa_cirrus_vga_info = {
.name = TYPE_ISA_CIRRUS_VGA,
.parent = TYPE_ISA_DEVICE,
.instance_size = sizeof(ISACirrusVGAState),
.class_init = isa_cirrus_vga_class_init,
};
static void cirrus_vga_isa_register_types(void)
{
type_register_static(&isa_cirrus_vga_info);
}
type_init(cirrus_vga_isa_register_types)

8
hw/display/edid-generate.c
View File

@ -223,7 +223,7 @@ static void edid_desc_timing(uint8_t *desc,
uint32_t clock = 75 * (xres + xblank) * (yres + yblank);
*(uint32_t *)(desc) = cpu_to_le32(clock / 10000);
stl_le_p(desc, clock / 10000);
desc[2] = xres & 0xff;
desc[3] = xblank & 0xff;
@ -342,9 +342,9 @@ void qemu_edid_generate(uint8_t *edid, size_t size,
(((info->vendor[2] - '@') & 0x1f) << 0));
uint16_t model_nr = 0x1234;
uint32_t serial_nr = info->serial ? atoi(info->serial) : 0;
*(uint16_t *)(edid + 8) = cpu_to_be16(vendor_id);
*(uint16_t *)(edid + 10) = cpu_to_le16(model_nr);
*(uint32_t *)(edid + 12) = cpu_to_le32(serial_nr);
stw_be_p(edid + 8, vendor_id);
stw_le_p(edid + 10, model_nr);
stl_le_p(edid + 12, serial_nr);
/* manufacture week and year */
edid[16] = 42;

2
hw/display/qxl.c
View File

@ -290,7 +290,7 @@ static void qxl_spice_monitors_config_async(PCIQXLDevice *qxl, int replay)
}
cfg = qxl_phys2virt(qxl, qxl->guest_monitors_config, MEMSLOT_GROUP_GUEST);
if (cfg->count == 1) {
if (cfg != NULL && cfg->count == 1) {
qxl->guest_primary.resized = 1;
qxl->guest_head0_width = cfg->heads[0].width;
qxl->guest_head0_height = cfg->heads[0].height;

200
hw/i2c/i2c-ddc.c
View File

@ -32,197 +32,6 @@
} \
} while (0)
/* Structure defining a monitor's characteristics in a
* readable format: this should be passed to build_edid_blob()
* to convert it into the 128 byte binary EDID blob.
* Not all bits of the EDID are customisable here.
*/
struct EDIDData {
char manuf_id[3]; /* three upper case letters */
uint16_t product_id;
uint32_t serial_no;
uint8_t manuf_week;
int manuf_year;
uint8_t h_cm;
uint8_t v_cm;
uint8_t gamma;
char monitor_name[14];
char serial_no_string[14];
/* Range limits */
uint8_t vmin; /* Hz */
uint8_t vmax; /* Hz */
uint8_t hmin; /* kHz */
uint8_t hmax; /* kHz */
uint8_t pixclock; /* MHz / 10 */
uint8_t timing_data[18];
};
typedef struct EDIDData EDIDData;
/* EDID data for a simple LCD monitor */
static const EDIDData lcd_edid = {
/* The manuf_id ought really to be an assigned EISA ID */
.manuf_id = "QMU",
.product_id = 0,
.serial_no = 1,
.manuf_week = 1,
.manuf_year = 2011,
.h_cm = 40,
.v_cm = 30,
.gamma = 0x78,
.monitor_name = "QEMU monitor",
.serial_no_string = "1",
.vmin = 40,
.vmax = 120,
.hmin = 30,
.hmax = 100,
.pixclock = 18,
.timing_data = {
/* Borrowed from a 21" LCD */
0x48, 0x3f, 0x40, 0x30, 0x62, 0xb0, 0x32, 0x40, 0x40,
0xc0, 0x13, 0x00, 0x98, 0x32, 0x11, 0x00, 0x00, 0x1e
}
};
static uint8_t manuf_char_to_int(char c)
{
return (c - 'A') & 0x1f;
}
static void write_ascii_descriptor_block(uint8_t *descblob, uint8_t blocktype,
const char *string)
{
/* Write an EDID Descriptor Block of the "ascii string" type */
int i;
descblob[0] = descblob[1] = descblob[2] = descblob[4] = 0;
descblob[3] = blocktype;
/* The rest is 13 bytes of ASCII; if less then the rest must
* be filled with newline then spaces
*/
for (i = 5; i < 19; i++) {
descblob[i] = string[i - 5];
if (!descblob[i]) {
break;
}
}
if (i < 19) {
descblob[i++] = '\n';
}
for ( ; i < 19; i++) {
descblob[i] = ' ';
}
}
static void write_range_limits_descriptor(const EDIDData *edid,
uint8_t *descblob)
{
int i;
descblob[0] = descblob[1] = descblob[2] = descblob[4] = 0;
descblob[3] = 0xfd;
descblob[5] = edid->vmin;
descblob[6] = edid->vmax;
descblob[7] = edid->hmin;
descblob[8] = edid->hmax;
descblob[9] = edid->pixclock;
descblob[10] = 0;
descblob[11] = 0xa;
for (i = 12; i < 19; i++) {
descblob[i] = 0x20;
}
}
static void build_edid_blob(const EDIDData *edid, uint8_t *blob)
{
/* Write an EDID 1.3 format blob (128 bytes) based
* on the EDIDData structure.
*/
int i;
uint8_t cksum;
/* 00-07 : header */
blob[0] = blob[7] = 0;
for (i = 1 ; i < 7; i++) {
blob[i] = 0xff;
}
/* 08-09 : manufacturer ID */
blob[8] = (manuf_char_to_int(edid->manuf_id[0]) << 2)
| (manuf_char_to_int(edid->manuf_id[1]) >> 3);
blob[9] = (manuf_char_to_int(edid->manuf_id[1]) << 5)
| manuf_char_to_int(edid->manuf_id[2]);
/* 10-11 : product ID code */
blob[10] = edid->product_id;
blob[11] = edid->product_id >> 8;
blob[12] = edid->serial_no;
blob[13] = edid->serial_no >> 8;
blob[14] = edid->serial_no >> 16;
blob[15] = edid->serial_no >> 24;
/* 16 : week of manufacture */
blob[16] = edid->manuf_week;
/* 17 : year of manufacture - 1990 */
blob[17] = edid->manuf_year - 1990;
/* 18, 19 : EDID version and revision */
blob[18] = 1;
blob[19] = 3;
/* 20 - 24 : basic display parameters */
/* We are always a digital display */
blob[20] = 0x80;
/* 21, 22 : max h/v size in cm */
blob[21] = edid->h_cm;
blob[22] = edid->v_cm;
/* 23 : gamma (divide by 100 then add 1 for actual value) */
blob[23] = edid->gamma;
/* 24 feature support: no power management, RGB, preferred timing mode,
* standard colour space
*/
blob[24] = 0x0e;
/* 25 - 34 : chromaticity coordinates. These are the
* standard sRGB chromaticity values
*/
blob[25] = 0xee;
blob[26] = 0x91;
blob[27] = 0xa3;
blob[28] = 0x54;
blob[29] = 0x4c;
blob[30] = 0x99;
blob[31] = 0x26;
blob[32] = 0x0f;
blob[33] = 0x50;
blob[34] = 0x54;
/* 35, 36 : Established timings: claim to support everything */
blob[35] = blob[36] = 0xff;
/* 37 : manufacturer's reserved timing: none */
blob[37] = 0;
/* 38 - 53 : standard timing identification
* don't claim anything beyond what the 'established timings'
* already provide. Unused slots must be (0x1, 0x1)
*/
for (i = 38; i < 54; i++) {
blob[i] = 0x1;
}
/* 54 - 71 : descriptor block 1 : must be preferred timing data */
memcpy(blob + 54, edid->timing_data, 18);
/* 72 - 89, 90 - 107, 108 - 125 : descriptor block 2, 3, 4
* Order not important, but we must have a monitor name and a
* range limits descriptor.
*/
write_range_limits_descriptor(edid, blob + 72);
write_ascii_descriptor_block(blob + 90, 0xfc, edid->monitor_name);
write_ascii_descriptor_block(blob + 108, 0xff, edid->serial_no_string);
/* 126 : extension flag */
blob[126] = 0;
cksum = 0;
for (i = 0; i < 127; i++) {
cksum += blob[i];
}
/* 127 : checksum */
blob[127] = -cksum;
if (DEBUG_I2CDDC) {
qemu_hexdump((char *)blob, stdout, "", 128);
}
}
static void i2c_ddc_reset(DeviceState *ds)
{
I2CDDCState *s = I2CDDC(ds);
@ -270,7 +79,8 @@ static int i2c_ddc_tx(I2CSlave *i2c, uint8_t data)
static void i2c_ddc_init(Object *obj)
{
I2CDDCState *s = I2CDDC(obj);
build_edid_blob(&lcd_edid, s->edid_blob);
qemu_edid_generate(s->edid_blob, sizeof(s->edid_blob), &s->edid_info);
}
static const VMStateDescription vmstate_i2c_ddc = {
@ -283,6 +93,11 @@ static const VMStateDescription vmstate_i2c_ddc = {
}
};
static Property i2c_ddc_properties[] = {
DEFINE_EDID_PROPERTIES(I2CDDCState, edid_info),
DEFINE_PROP_END_OF_LIST(),
};
static void i2c_ddc_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
@ -290,6 +105,7 @@ static void i2c_ddc_class_init(ObjectClass *oc, void *data)
dc->reset = i2c_ddc_reset;
dc->vmsd = &vmstate_i2c_ddc;
dc->props = i2c_ddc_properties;
isc->event = i2c_ddc_event;
isc->recv = i2c_ddc_rx;
isc->send = i2c_ddc_tx;

4
include/hw/i2c/i2c-ddc.h
View File

@ -19,14 +19,16 @@
#ifndef I2C_DDC_H
#define I2C_DDC_H
/* A simple I2C slave which just returns the contents of its EDID blob. */
#include "hw/display/edid.h"
/* A simple I2C slave which just returns the contents of its EDID blob. */
struct I2CDDCState {
/*< private >*/
I2CSlave i2c;
/*< public >*/
bool firstbyte;
uint8_t reg;
qemu_edid_info edid_info;
uint8_t edid_blob[128];
};