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openSUSE:Leap:15.5:Update
xorg-x11-server.32027
u_vesa-Add-VBEDPMSGetCapabilities-VBEDPMSGet.patch
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File u_vesa-Add-VBEDPMSGetCapabilities-VBEDPMSGet.patch of Package xorg-x11-server.32027
From: Egbert Eich <eich@suse.de> Date: Thu Sep 24 12:38:13 2015 +0200 Subject: [PATCH]vesa: Add VBEDPMSGetCapabilities & VBEDPMSGet() Patch-mainline: to be upstreamed References: bnc#947356 Signed-off-by: Egbert Eich <eich@suse.com> Signed-off-by: Egbert Eich <eich@suse.de> --- hw/xfree86/vbe/vbe.c | 147 ++++++++++++++++++++++++++++++++++++++++++++++++++- hw/xfree86/vbe/vbe.h | 3 ++ 2 files changed, 149 insertions(+), 1 deletion(-) diff --git a/hw/xfree86/vbe/vbe.c b/hw/xfree86/vbe/vbe.c index 39f0cef..179d4c6 100644 --- a/hw/xfree86/vbe/vbe.c +++ b/hw/xfree86/vbe/vbe.c @@ -20,6 +20,28 @@ #include "vbe.h" #include <X11/extensions/dpmsconst.h> +#ifdef DEBUG +#define LOG_RESULT(x) { \ + xf86DrvMsg(x->pInt10->pScrn->scrnIndex, X_INFO, "%s () = %s\n", \ + __FUNCTION__, \ + R16(x->pInt10->ax) == 0x4f ? "success" : "failure"); } + +#define LOG_SUCCESS(x) { \ + xf86DrvMsg(x->pInt10->pScrn->scrnIndex, X_INFO, "%s () = success\n", \ + __FUNCTION__); } +#define LOG_FAILURE(x) { \ + xf86DrvMsg(x->pInt10->pScrn->scrnIndex, X_INFO, "%s () = failure\n", \ + __FUNCTION__); } +#define LOG_VBE(x,fmt, args...) { \ + xf86DrvMsg(x->pInt10->pScrn->scrnIndex, X_INFO, "%s " fmt, __FUNCTION__, \ + ##args); } +#else +#define LOG_RESULT(x) {} +#define LOG_SUCCESS(x) {} +#define LOG_FAILURE(x) {} +#define LOG_VBE(x,fmt, args...) {} +#endif + #define VERSION(x) VBE_VERSION_MAJOR(x),VBE_VERSION_MINOR(x) #if X_BYTE_ORDER == X_LITTLE_ENDIAN @@ -187,6 +209,7 @@ vbeProbeDDC(vbeInfoPtr pVbe) if (pVbe->ddc != DDC_UNCHECKED) return TRUE; + LOG_VBE(pVbe,"()\n"); pVbe->pInt10->ax = 0x4F15; pVbe->pInt10->bx = 0; pVbe->pInt10->cx = 0; @@ -195,6 +218,7 @@ vbeProbeDDC(vbeInfoPtr pVbe) pVbe->pInt10->num = 0x10; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if ((pVbe->pInt10->ax & 0xff) != 0x4f) { xf86DrvMsgVerb(screen, X_INFO, 3, "VESA VBE DDC not supported\n"); @@ -285,6 +309,7 @@ vbeReadEDID(vbeInfoPtr pVbe) memset(page, 0, sizeof(vbeInfoPtr)); strcpy(page, vbeVersionString); + LOG_VBE(pVbe, "()\n"); pVbe->pInt10->ax = 0x4F15; pVbe->pInt10->bx = 0x01; pVbe->pInt10->cx = 0; @@ -294,6 +319,7 @@ vbeReadEDID(vbeInfoPtr pVbe) pVbe->pInt10->num = 0x10; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if ((pVbe->pInt10->ax & 0xff) != 0x4f) { xf86DrvMsgVerb(screen, X_INFO, 3, "VESA VBE DDC invalid\n"); @@ -365,11 +391,13 @@ VBEGetVBEInfo(vbeInfoPtr pVbe) ((char *) pVbe->memory)[2] = 'E'; ((char *) pVbe->memory)[3] = '2'; + LOG_VBE(pVbe, "()\n"); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f00; pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base); pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base); xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return NULL; @@ -458,6 +486,7 @@ VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock * block) Output: AX = Status (All other registers are preserved) */ + LOG_VBE(pVbe, "(mode=0x%x)\n", mode); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f02; pVbe->pInt10->bx = mode; @@ -471,6 +500,7 @@ VBESetVBEMode(vbeInfoPtr pVbe, int mode, VbeCRTCInfoBlock * block) pVbe->pInt10->bx &= ~(1 << 11); xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); return (R16(pVbe->pInt10->ax) == 0x4f); } @@ -488,10 +518,12 @@ VBEGetVBEMode(vbeInfoPtr pVbe, int *mode) BX := Current video mode (All other registers are preserved) */ + LOG_VBE(pVbe, "()\n"); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f03; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) == 0x4f) { *mode = R16(pVbe->pInt10->bx); @@ -521,12 +553,14 @@ VBEGetModeInfo(vbeInfoPtr pVbe, int mode) AX := status (All other registers are preserved) */ + LOG_VBE(pVbe, "(mode = 0x%x)\n",mode); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f01; pVbe->pInt10->cx = mode; pVbe->pInt10->es = SEG_ADDR(pVbe->real_mode_base); pVbe->pInt10->di = SEG_OFF(pVbe->real_mode_base); xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return NULL; @@ -586,6 +620,7 @@ VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction function, (All other registers are preserved) */ + LOG_VBE(pVbe, "(function = %d)", function); if ((pVbe->version & 0xff00) > 0x100) { int screen = pVbe->pInt10->pScrn->scrnIndex; @@ -597,9 +632,9 @@ VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction function, pVbe->pInt10->dx = 0; pVbe->pInt10->cx = 0x000f; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return FALSE; - if (function == MODE_SAVE) { int npages = (R16(pVbe->pInt10->bx) * 64) / 4096 + 1; @@ -618,6 +653,7 @@ VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction function, if (!*memory) return FALSE; + pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f04; switch (function) { @@ -635,6 +671,7 @@ VBESaveRestore(vbeInfoPtr pVbe, vbeSaveRestoreFunction function, pVbe->pInt10->es = SEG_ADDR(*real_mode_pages); pVbe->pInt10->bx = SEG_OFF(*real_mode_pages); xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); return (R16(pVbe->pInt10->ax) == 0x4f); } @@ -652,11 +689,13 @@ VBEBankSwitch(vbeInfoPtr pVbe, unsigned int iBank, int window) Output: */ + LOG_VBE(pVbe, "(bank = %d window = %d)\n", iBank, window); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f05; pVbe->pInt10->bx = window; pVbe->pInt10->dx = iBank; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return FALSE; @@ -690,12 +729,14 @@ VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe, vbeScanwidthCommand command, DX := Maximum Number of Scan Lines */ + LOG_VBE(pVbe,"(width = %i)\n",width); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f06; pVbe->pInt10->bx = command; if (command == SCANWID_SET || command == SCANWID_SET_BYTES) pVbe->pInt10->cx = width; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return FALSE; @@ -715,12 +756,15 @@ VBESetGetLogicalScanlineLength(vbeInfoPtr pVbe, vbeScanwidthCommand command, Bool VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace) { + LOG_VBE(pVbe, "(x = %i y = %i wait_retrace = %s)\n", + x, y, wait_retrace ? "y" : "n"); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f07; pVbe->pInt10->bx = wait_retrace ? 0x80 : 0x00; pVbe->pInt10->cx = x; pVbe->pInt10->dx = y; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return FALSE; @@ -731,10 +775,12 @@ VBESetDisplayStart(vbeInfoPtr pVbe, int x, int y, Bool wait_retrace) Bool VBEGetDisplayStart(vbeInfoPtr pVbe, int *x, int *y) { + LOG_VBE(pVbe, "()\n"); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f07; pVbe->pInt10->bx = 0x01; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return FALSE; @@ -761,6 +807,7 @@ VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits) BH := Current number of bits of color per primary */ + LOG_VBE(pVbe, "(bits = %d)\n", bits); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f08; if (!bits) @@ -768,6 +815,7 @@ VBESetGetDACPaletteFormat(vbeInfoPtr pVbe, int bits) else pVbe->pInt10->bx = (bits & 0x00ff) << 8; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return 0; @@ -805,6 +853,8 @@ VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num, DS := Selector for memory mapped registers */ + LOG_VBE(pVbe,"(%s first = %i num = %i wait_retrace = %s)\n", + set ? "set" : "get", first, num, wait_retrace ? "y" : "n"); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f09; if (!secondary) @@ -818,6 +868,7 @@ VBESetGetPaletteData(vbeInfoPtr pVbe, Bool set, int first, int num, if (set) memcpy(pVbe->memory, data, num * sizeof(CARD32)); xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return NULL; @@ -850,11 +901,13 @@ VBEGetVBEpmi(vbeInfoPtr pVbe) (All other registers are preserved) */ + LOG_VBE(pVbe, "()\n"); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f0a; pVbe->pInt10->bx = 0; pVbe->pInt10->di = 0; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return NULL; @@ -967,6 +1020,7 @@ VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int clock) AX := VBE Return Status ECX := Closest pixel clock */ + LOG_VBE(pVbe,"(mode = 0x%x clock = %d)\n", mode, clock); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f0b; @@ -974,6 +1028,7 @@ VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int clock) pVbe->pInt10->cx = clock; pVbe->pInt10->dx = mode; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if (R16(pVbe->pInt10->ax) != 0x4f) return 0; @@ -981,6 +1036,92 @@ VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int clock) return pVbe->pInt10->cx; } +int +VBEDPMSGetCapabilities(vbeInfoPtr pVbe, int *cap) +{ + /* + Input: + AX := 4F10h DPMS + BL := 00h Get VBE/PM Capabilities + CX := 00h + ES:DI := 0 + + Output: + AX := Status + BH := Power Saving State 1=supported, 0=unsupported + Bit 0: stand by, Bit 1: suspend, Bit 2: off Bit 3: reduced + */ + LOG_VBE(pVbe, "()\n"); + pVbe->pInt10->num = 0x10; + pVbe->pInt10->ax = 0x4f10; + pVbe->pInt10->bx = 0x0; + pVbe->pInt10->cx = 0x0; + pVbe->pInt10->es = pVbe->pInt10->di = 0; + xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); + + if ((R16(pVbe->pInt10->ax) != 0x4f)) + return FALSE; + + xf86DrvMsgVerb(pVbe->pInt10->pScrn->scrnIndex, X_INFO, 7, + "DPMSGetCapabilities: 0x%x\n,", + pVbe->pInt10->bx); + *cap = 1 << DPMSModeOn; /* always supported */ + if (pVbe->pInt10->bx & 0x100) + *cap |= 1 << DPMSModeStandby; + if (pVbe->pInt10->bx & 0x200) + *cap |= 1 << DPMSModeSuspend; + if (pVbe->pInt10->bx & 0x200) + *cap |= 1 << DPMSModeOff; + + return TRUE; +} + +int +VBEDPMSGet(vbeInfoPtr pVbe, int *mode) +{ + /* + Input: + AX := 4F10h DPMS + BL := 02h Get Display Power State + CX := 00h + + Output: + AX := VBE Return Status + BH := Power State currently set + */ + LOG_VBE(pVbe, "()\n"); + pVbe->pInt10->ax = 0x4f10; + pVbe->pInt10->bx = 0x2; + pVbe->pInt10->cx = 0x0; + xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); + if ((R16(pVbe->pInt10->ax) != 0x4f)) + return FALSE; + + xf86DrvMsgVerb(pVbe->pInt10->pScrn->scrnIndex, X_INFO, 7, + "DPMSGetState: 0x%x\n,", + pVbe->pInt10->bx); + switch (pVbe->pInt10->bx >> 4) { + case 0: + *mode = DPMSModeOn; + break; + case 1: + *mode = DPMSModeStandby; + break; + case 2: + *mode = DPMSModeSuspend; + break; + case 4: + *mode = DPMSModeOff; + break; + case 8: + *mode = DPMSModeOn; + break; + } + return TRUE; +} + Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode) { @@ -994,6 +1135,7 @@ VBEDPMSSet(vbeInfoPtr pVbe, int mode) AX := VBE Return Status */ + LOG_VBE(pVbe, "(mode = %d)\n", mode); pVbe->pInt10->num = 0x10; pVbe->pInt10->ax = 0x4f10; pVbe->pInt10->bx = 0x01; @@ -1011,6 +1153,7 @@ VBEDPMSSet(vbeInfoPtr pVbe, int mode) break; } xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); return (R16(pVbe->pInt10->ax) == 0x4f); } @@ -1059,6 +1202,7 @@ VBEReadPanelID(vbeInfoPtr pVbe) void *tmp = NULL; int screen = pVbe->pInt10->pScrn->scrnIndex; + LOG_VBE(pVbe, "()\n"); pVbe->pInt10->ax = 0x4F11; pVbe->pInt10->bx = 0x01; pVbe->pInt10->cx = 0; @@ -1068,6 +1212,7 @@ VBEReadPanelID(vbeInfoPtr pVbe) pVbe->pInt10->num = 0x10; xf86ExecX86int10(pVbe->pInt10); + LOG_RESULT(pVbe); if ((pVbe->pInt10->ax & 0xff) != 0x4f) { xf86DrvMsgVerb(screen, X_INFO, 3, "VESA VBE PanelID invalid\n"); diff --git a/hw/xfree86/vbe/vbe.h b/hw/xfree86/vbe/vbe.h index 3907c53..9b37f46 100644 --- a/hw/xfree86/vbe/vbe.h +++ b/hw/xfree86/vbe/vbe.h @@ -336,6 +336,9 @@ VBEVesaSaveRestore(vbeInfoPtr pVbe, vbeSaveRestorePtr vbe_sr, extern _X_EXPORT int VBEGetPixelClock(vbeInfoPtr pVbe, int mode, int Clock); extern _X_EXPORT Bool VBEDPMSSet(vbeInfoPtr pVbe, int mode); +#define VBE_HAVE_DPMS_GET_CAPABILITIES +extern _X_EXPORT Bool VBEDPMSGetCapabilities(vbeInfoPtr pVbe, int *cap); +extern _X_EXPORT Bool VBEDPMSGet(vbeInfoPtr pVbe, int *mode); struct vbePanelID { short hsize;
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