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vga: catch depth 0

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hw/display: add new bochs-display device
 some cleanups.
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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20180524-pull-request' into staging

vga: catch depth 0
hw/display: add new bochs-display device
some cleanups.

# gpg: Signature made Thu 24 May 2018 16:45:46 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-20180524-pull-request:
  MAINTAINERS: add vga entries
  bochs-display: add pcie support
  bochs-display: add dirty tracking support
  hw/display: add new bochs-display device
  vga-pci: use PCI_VGA_MMIO_SIZE
  vga: move bochs vbe defines to header file
  vga: catch depth 0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-05-24 17:48:01 +01:00
commit 62b9b076d9
7 changed files with 478 additions and 53 deletions
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69
include/hw/display/bochs-vbe.h Normal file
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#ifndef HW_DISPLAY_BOCHS_VBE_H
#define HW_DISPLAY_BOCHS_VBE_H
/*
* bochs vesa bios extension interface
*/
#define VBE_DISPI_MAX_XRES 16000
#define VBE_DISPI_MAX_YRES 12000
#define VBE_DISPI_MAX_BPP 32
#define VBE_DISPI_INDEX_ID 0x0
#define VBE_DISPI_INDEX_XRES 0x1
#define VBE_DISPI_INDEX_YRES 0x2
#define VBE_DISPI_INDEX_BPP 0x3
#define VBE_DISPI_INDEX_ENABLE 0x4
#define VBE_DISPI_INDEX_BANK 0x5
#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
#define VBE_DISPI_INDEX_X_OFFSET 0x8
#define VBE_DISPI_INDEX_Y_OFFSET 0x9
#define VBE_DISPI_INDEX_NB 0xa /* size of vbe_regs[] */
#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa /* read-only, not in vbe_regs */
/* VBE_DISPI_INDEX_ID */
#define VBE_DISPI_ID0 0xB0C0
#define VBE_DISPI_ID1 0xB0C1
#define VBE_DISPI_ID2 0xB0C2
#define VBE_DISPI_ID3 0xB0C3
#define VBE_DISPI_ID4 0xB0C4
#define VBE_DISPI_ID5 0xB0C5
/* VBE_DISPI_INDEX_ENABLE */
#define VBE_DISPI_DISABLED 0x00
#define VBE_DISPI_ENABLED 0x01
#define VBE_DISPI_GETCAPS 0x02
#define VBE_DISPI_8BIT_DAC 0x20
#define VBE_DISPI_LFB_ENABLED 0x40
#define VBE_DISPI_NOCLEARMEM 0x80
/* only used by isa-vga, pci vga devices use a memory bar */
#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
/*
* qemu extension: mmio bar (region 2)
*/
#define PCI_VGA_MMIO_SIZE 0x1000
/* vga register region */
#define PCI_VGA_IOPORT_OFFSET 0x400
#define PCI_VGA_IOPORT_SIZE (0x3e0 - 0x3c0)
/* bochs vbe register region */
#define PCI_VGA_BOCHS_OFFSET 0x500
#define PCI_VGA_BOCHS_SIZE (0x0b * 2)
/* qemu extension register region */
#define PCI_VGA_QEXT_OFFSET 0x600
#define PCI_VGA_QEXT_SIZE (2 * 4)
/* qemu extension registers */
#define PCI_VGA_QEXT_REG_SIZE (0 * 4)
#define PCI_VGA_QEXT_REG_BYTEORDER (1 * 4)
#define PCI_VGA_QEXT_LITTLE_ENDIAN 0x1e1e1e1e
#define PCI_VGA_QEXT_BIG_ENDIAN 0xbebebebe
#endif /* HW_DISPLAY_BOCHS_VBE_H */