diff options
Diffstat (limited to 'qemu/roms/seabios/src/vgahooks.c')
| -rw-r--r-- | qemu/roms/seabios/src/vgahooks.c | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/qemu/roms/seabios/src/vgahooks.c b/qemu/roms/seabios/src/vgahooks.c deleted file mode 100644 index 48efb086c..000000000 --- a/qemu/roms/seabios/src/vgahooks.c +++ /dev/null @@ -1,354 +0,0 @@ -// Hooks for via vgabios calls into main bios. -// -// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net> -// -// This file may be distributed under the terms of the GNU LGPLv3 license. - -#include "biosvar.h" // GET_GLOBAL -#include "bregs.h" // set_code_invalid -#include "config.h" // CONFIG_* -#include "hw/pci.h" // pci_find_device -#include "hw/pci_ids.h" // PCI_VENDOR_ID_VIA -#include "hw/pci_regs.h" // PCI_VENDOR_ID -#include "output.h" // dprintf -#include "string.h" // strcmp -#include "util.h" // handle_155f, handle_157f - -#define VH_VIA 1 -#define VH_INTEL 2 -#define VH_SMI 3 - -int VGAHookHandlerType VARFSEG; - -static void -handle_155fXX(struct bregs *regs) -{ - set_code_unimplemented(regs, RET_EUNSUPPORTED); -} - -static void -handle_157fXX(struct bregs *regs) -{ - set_code_unimplemented(regs, RET_EUNSUPPORTED); -} - -/**************************************************************** - * Via hooks - ****************************************************************/ - -int ViaFBsize VARFSEG, ViaRamSpeed VARFSEG; - -static void -via_155f01(struct bregs *regs) -{ - regs->eax = 0x5f; - regs->cl = 2; // panel type = 2 = 1024 * 768 - set_success(regs); - dprintf(1, "Warning: VGA panel type is hardcoded\n"); -} - -static void -via_155f02(struct bregs *regs) -{ - regs->eax = 0x5f; - regs->bx = 2; - regs->cx = 0x401; // PAL + crt only - regs->dx = 0; // TV Layout - default - set_success(regs); - dprintf(1, "Warning: VGA TV/CRT output type is hardcoded\n"); -} - -static void -via_155f18(struct bregs *regs) -{ - int fbsize = GET_GLOBAL(ViaFBsize), ramspeed = GET_GLOBAL(ViaRamSpeed); - if (fbsize < 0 || ramspeed < 0) { - set_code_invalid(regs, RET_EUNSUPPORTED); - return; - } - regs->eax = 0x5f; - regs->ebx = 0x500 | (ramspeed << 4) | fbsize; - regs->ecx = 0x060; - set_success(regs); -} - -static void -via_155f19(struct bregs *regs) -{ - set_invalid_silent(regs); -} - -static void -via_155f(struct bregs *regs) -{ - switch (regs->al) { - case 0x01: via_155f01(regs); break; - case 0x02: via_155f02(regs); break; - case 0x18: via_155f18(regs); break; - case 0x19: via_155f19(regs); break; - default: handle_155fXX(regs); break; - } -} - -static int -getFBSize(struct pci_device *pci) -{ - /* FB config */ - u8 reg = pci_config_readb(pci->bdf, 0xa1); - - /* GFX disabled ? */ - if (!(reg & 0x80)) - return -1; - - static u8 mem_power[] = {0, 3, 4, 5, 6, 7, 8, 9}; - return mem_power[(reg >> 4) & 0x7]; -} - -static int -getViaRamSpeed(struct pci_device *pci) -{ - return (pci_config_readb(pci->bdf, 0x90) & 0x07) + 3; -} - -static int -getAMDRamSpeed(void) -{ - struct pci_device *pci = pci_find_device(PCI_VENDOR_ID_AMD - , PCI_DEVICE_ID_AMD_K8_NB_MEMCTL); - if (!pci) - return -1; - - /* mem clk 0 = DDR2 400 */ - return (pci_config_readb(pci->bdf, 0x94) & 0x7) + 6; -} - -/* int 0x15 - 5f18 - - ECX = unknown/don't care - EBX[3..0] Frame Buffer Size 2^N MiB - EBX[7..4] Memory speed: - 0: SDR 66Mhz - 1: SDR 100Mhz - 2: SDR 133Mhz - 3: DDR 100Mhz (PC1600 or DDR200) - 4: DDR 133Mhz (PC2100 or DDR266) - 5: DDR 166Mhz (PC2700 or DDR333) - 6: DDR 200Mhz (PC3200 or DDR400) - 7: DDR2 133Mhz (DDR2 533) - 8: DDR2 166Mhz (DDR2 667) - 9: DDR2 200Mhz (DDR2 800) - A: DDR2 233Mhz (DDR2 1066) - B: and above: Unknown - EBX[?..8] Total memory size? - EAX = 0x5f for success -*/ - -#define PCI_DEVICE_ID_VIA_K8M890CE_3 0x3336 -#define PCI_DEVICE_ID_VIA_VX855_MEMCTRL 0x3409 - -static void -via_setup(struct pci_device *pci) -{ - VGAHookHandlerType = VH_VIA; - - struct pci_device *d = pci_find_device(PCI_VENDOR_ID_VIA - , PCI_DEVICE_ID_VIA_K8M890CE_3); - if (d) { - ViaFBsize = getFBSize(d); - ViaRamSpeed = getAMDRamSpeed(); - return; - } - d = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX855_MEMCTRL); - if (d) { - ViaFBsize = getFBSize(d); - ViaRamSpeed = getViaRamSpeed(d); - return; - } - - dprintf(1, "Warning: VGA memory size and speed is hardcoded\n"); - ViaFBsize = 5; // 32M frame buffer - ViaRamSpeed = 4; // MCLK = DDR266 -} - - -/**************************************************************** - * Intel VGA hooks - ****************************************************************/ - -u8 IntelDisplayType VARFSEG, IntelDisplayId VARFSEG; - -static void -intel_155f35(struct bregs *regs) -{ - regs->ax = 0x005f; - regs->cl = GET_GLOBAL(IntelDisplayType); - set_success(regs); -} - -static void -intel_155f40(struct bregs *regs) -{ - regs->ax = 0x005f; - regs->cl = GET_GLOBAL(IntelDisplayId); - set_success(regs); -} - -static void -intel_155f50(struct bregs *regs) -{ - /* Mandatory hook on some Dell laptops */ - regs->ax = 0x005f; - set_success(regs); -} - -static void -intel_155f(struct bregs *regs) -{ - switch (regs->al) { - case 0x35: intel_155f35(regs); break; - case 0x40: intel_155f40(regs); break; - case 0x50: intel_155f50(regs); break; - default: handle_155fXX(regs); break; - } -} - -#define BOOT_DISPLAY_DEFAULT (0) -#define BOOT_DISPLAY_CRT (1 << 0) -#define BOOT_DISPLAY_TV (1 << 1) -#define BOOT_DISPLAY_EFP (1 << 2) -#define BOOT_DISPLAY_LCD (1 << 3) -#define BOOT_DISPLAY_CRT2 (1 << 4) -#define BOOT_DISPLAY_TV2 (1 << 5) -#define BOOT_DISPLAY_EFP2 (1 << 6) -#define BOOT_DISPLAY_LCD2 (1 << 7) - -static void -intel_setup(struct pci_device *pci) -{ - VGAHookHandlerType = VH_INTEL; - - IntelDisplayType = BOOT_DISPLAY_DEFAULT; - IntelDisplayId = 3; -} - -static void -roda_setup(struct pci_device *pci) -{ - VGAHookHandlerType = VH_INTEL; - // IntelDisplayType = BOOT_DISPLAY_DEFAULT; - IntelDisplayType = BOOT_DISPLAY_LCD; - // IntelDisplayId = inb(0x60f) & 0x0f; // Correct according to Crete - IntelDisplayId = 3; // Correct according to empirical studies -} - -static void -kontron_setup(struct pci_device *pci) -{ - VGAHookHandlerType = VH_INTEL; - IntelDisplayType = BOOT_DISPLAY_CRT; - IntelDisplayId = 3; -} - -static void -getac_setup(struct pci_device *pci) -{ -} - -/**************************************************************** - * Silicon Motion hooks - ****************************************************************/ - -u8 SmiBootDisplay VARFSEG; // 1: LCD, 2: CRT, 3: Both */ - -static void -smi_157f02(struct bregs *regs) -{ - /* Boot Display Device Override */ - regs->ax = 0x007f; - regs->bl = GET_GLOBAL(SmiBootDisplay); - set_success(regs); -} - -static void -smi_157f14(struct bregs *regs) -{ - /* ReduceOn support default status */ - regs->ax = 0x007f; - regs->bl = 0x00; - set_success(regs); -} - -static void -smi_157f(struct bregs *regs) -{ - switch (regs->al) { - case 0x02: smi_157f02(regs); break; - case 0x14: smi_157f14(regs); break; - default: handle_157fXX(regs); break; - } -} - -static void -winent_mb6047_setup(struct pci_device *pci) -{ - VGAHookHandlerType = VH_SMI; - SmiBootDisplay = 0x02; -} - -/**************************************************************** - * Entry and setup - ****************************************************************/ - -// Main 16bit entry point -void -handle_155f(struct bregs *regs) -{ - if (!CONFIG_VGAHOOKS) { - handle_155fXX(regs); - return; - } - - int htype = GET_GLOBAL(VGAHookHandlerType); - switch (htype) { - case VH_VIA: via_155f(regs); break; - case VH_INTEL: intel_155f(regs); break; - default: handle_155fXX(regs); break; - } -} - -// Main 16bit entry point -void -handle_157f(struct bregs *regs) -{ - if (!CONFIG_VGAHOOKS) { - handle_157fXX(regs); - return; - } - - int htype = GET_GLOBAL(VGAHookHandlerType); - switch (htype) { - case VH_SMI: smi_157f(regs); break; - default: handle_157fXX(regs); break; - } -} - -// Setup -void -vgahook_setup(struct pci_device *pci) -{ - if (!CONFIG_VGAHOOKS) - return; - - if (strcmp(CBvendor, "KONTRON") == 0 && strcmp(CBpart, "986LCD-M") == 0) - kontron_setup(pci); - else if (strcmp(CBvendor, "GETAC") == 0 && strcmp(CBpart, "P470") == 0) - getac_setup(pci); - else if (strcmp(CBvendor, "RODA") == 0 && strcmp(CBpart, "RK886EX") == 0) - roda_setup(pci); - else if (strcmp(CBvendor, "Win Enterprise") == 0 && strcmp(CBpart, "MB6047") == 0) - winent_mb6047_setup(pci); - else if (pci->vendor == PCI_VENDOR_ID_VIA) - via_setup(pci); - else if (pci->vendor == PCI_VENDOR_ID_INTEL) - intel_setup(pci); -} |