2 * Copyright (c) 2007 NVIDIA, Corporation
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7 * without limitation the rights to use, copy, modify, merge, publish,
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9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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25 #include <X11/extensions/dpms.h>
26 #include <X11/Xatom.h>
28 #include "nv_include.h"
29 #include "nv50_type.h"
30 #include "nv50_display.h"
31 #include "nv50_output.h"
34 NV50SorSetPClk(xf86OutputPtr output, int pclk)
36 ScrnInfoPtr pScrn = output->scrn;
37 NVPtr pNv = NVPTR(pScrn);
38 const int limit = 165000;
40 /* 0x70000 was a late addition to nv, mentioned as fixing tmds initialisation on certain gpu's. */
41 /* This *may* have solved my shaking image problem, but i am not sure. */
42 /* I presume it's some kind of clock setting, but what precisely i do not know. */
43 NVWrite(pNv, 0x00614300 + NV50OrOffset(output) * 0x800, 0x70000 | ((pclk > limit) ? 0x101 : 0));
47 NV50SorDPMSSet(xf86OutputPtr output, int mode)
49 ScrnInfoPtr pScrn = output->scrn;
50 NVPtr pNv = NVPTR(pScrn);
53 while((NVRead(pNv, NV50_SOR0_DPMS_CTRL + NV50OrOffset(output) * 0x800) & NV50_SOR_DPMS_CTRL_PENDING));
55 tmp = NVRead(pNv, NV50_SOR0_DPMS_CTRL + NV50OrOffset(output) * 0x800);
56 tmp |= NV50_SOR_DPMS_CTRL_PENDING;
58 if(mode == DPMSModeOn)
59 tmp |= NV50_SOR_DPMS_CTRL_MODE_ON;
61 tmp &= ~NV50_SOR_DPMS_CTRL_MODE_ON;
63 NVWrite(pNv, NV50_SOR0_DPMS_CTRL + NV50OrOffset(output) * 0x800, tmp);
64 while((NVRead(pNv, 0x0061c030 + NV50OrOffset(output) * 0x800) & 0x10000000));
68 NV50TMDSModeValid(xf86OutputPtr output, DisplayModePtr mode)
70 NVOutputPrivatePtr nv_output = output->driver_private;
72 // Disable dual-link modes until I can find a way to make them work
74 if (mode->Clock > 165000)
75 return MODE_CLOCK_HIGH;
77 if (mode->HDisplay > nv_output->fpWidth || mode->VDisplay > nv_output->fpHeight)
80 return NV50OutputModeValid(output, mode);
84 NV50LVDSModeValid(xf86OutputPtr output, DisplayModePtr mode)
86 NVOutputPrivatePtr nv_output = output->driver_private;
87 DisplayModePtr native = nv_output->native_mode;
89 // Ignore modes larger than the native res.
90 if (mode->HDisplay > native->HDisplay || mode->VDisplay > native->VDisplay)
93 return NV50OutputModeValid(output, mode);
97 NV50SorModeSet(xf86OutputPtr output, DisplayModePtr mode,
98 DisplayModePtr adjusted_mode)
100 ScrnInfoPtr pScrn = output->scrn;
101 NVOutputPrivatePtr nv_output = output->driver_private;
102 const int sorOff = 0x40 * NV50OrOffset(output);
103 uint32_t mode_ctl = NV50_SOR_MODE_CTRL_OFF;
105 if (!adjusted_mode) {
106 /* Disconnect the SOR */
107 NV50DisplayCommand(pScrn, NV50_SOR0_MODE_CTRL + sorOff, mode_ctl);
111 if (nv_output->type == OUTPUT_LVDS) {
112 mode_ctl |= NV50_SOR_MODE_CTRL_LVDS;
114 mode_ctl |= NV50_SOR_MODE_CTRL_TMDS;
115 if (adjusted_mode->Clock > 165000)
116 mode_ctl |= NV50_SOR_MODE_CTRL_TMDS_DUAL_LINK;
120 NVCrtcPrivatePtr nv_crtc = output->crtc->driver_private;
121 if (nv_crtc->head == 1)
122 mode_ctl |= NV50_SOR_MODE_CTRL_CRTC1;
124 mode_ctl |= NV50_SOR_MODE_CTRL_CRTC0;
129 if (adjusted_mode->Flags & V_NHSYNC)
130 mode_ctl |= NV50_SOR_MODE_CTRL_NHSYNC;
132 if (adjusted_mode->Flags & V_NVSYNC)
133 mode_ctl |= NV50_SOR_MODE_CTRL_NVSYNC;
135 // This wouldn't be necessary, but the server is stupid and calls
136 // NV50SorDPMSSet after the output is disconnected, even though the hardware
137 // turns it off automatically.
138 NV50SorDPMSSet(output, DPMSModeOn);
140 NV50DisplayCommand(pScrn, NV50_SOR0_MODE_CTRL + sorOff, mode_ctl);
142 NV50CrtcSetScale(output->crtc, mode, adjusted_mode, nv_output->scaling_mode);
145 static xf86OutputStatus
146 NV50SorDetect(xf86OutputPtr output)
148 NVOutputPrivatePtr nv_output = output->driver_private;
151 if (nv_output->pDDCBus == NULL)
152 return XF86OutputStatusDisconnected;
154 ddc_mon = NV50OutputGetEDID(output, nv_output->pDDCBus);
156 return XF86OutputStatusDisconnected;
158 if (!ddc_mon->features.input_type) /* Analog? */
159 return XF86OutputStatusDisconnected;
161 return XF86OutputStatusConnected;
164 static xf86OutputStatus
165 NV50SorLVDSDetect(xf86OutputPtr output)
167 /* Assume LVDS is always connected */
168 return XF86OutputStatusConnected;
172 NV50SorDestroy(xf86OutputPtr output)
174 NVOutputPrivatePtr nv_output = output->driver_private;
176 NV50OutputDestroy(output);
178 xf86DeleteMode(&nv_output->native_mode, nv_output->native_mode);
180 xfree(output->driver_private);
181 output->driver_private = NULL;
185 NV50SorModeFixup(xf86OutputPtr output, DisplayModePtr mode,
186 DisplayModePtr adjusted_mode)
188 NVOutputPrivatePtr nv_output = output->driver_private;
190 if (nv_output->native_mode && nv_output->scaling_mode != SCALE_PANEL) {
191 adjusted_mode->HDisplay = nv_output->native_mode->HDisplay;
192 adjusted_mode->HSkew = nv_output->native_mode->HSkew;
193 adjusted_mode->HSyncStart = nv_output->native_mode->HSyncStart;
194 adjusted_mode->HSyncEnd = nv_output->native_mode->HSyncEnd;
195 adjusted_mode->HTotal = nv_output->native_mode->HTotal;
196 adjusted_mode->VDisplay = nv_output->native_mode->VDisplay;
197 adjusted_mode->VScan = nv_output->native_mode->VScan;
198 adjusted_mode->VSyncStart = nv_output->native_mode->VSyncStart;
199 adjusted_mode->VSyncEnd = nv_output->native_mode->VSyncEnd;
200 adjusted_mode->VTotal = nv_output->native_mode->VTotal;
201 adjusted_mode->Clock = nv_output->native_mode->Clock;
202 adjusted_mode->Flags = nv_output->native_mode->Flags;
204 /* No INTERLACE_HALVE_V, because we manually correct. */
205 xf86SetModeCrtc(adjusted_mode, 0);
210 static DisplayModePtr
211 NV50SorGetLVDSModes(xf86OutputPtr output)
213 NVOutputPrivatePtr nv_output = output->driver_private;
214 return xf86DuplicateMode(nv_output->native_mode);
217 static const xf86OutputFuncsRec NV50SorTMDSOutputFuncs = {
218 .dpms = NV50SorDPMSSet,
221 .mode_valid = NV50TMDSModeValid,
222 .mode_fixup = NV50SorModeFixup,
223 .prepare = NV50OutputPrepare,
224 .commit = NV50OutputCommit,
225 .mode_set = NV50SorModeSet,
226 .detect = NV50SorDetect,
227 .get_modes = NV50OutputGetDDCModes,
228 .create_resources = nv_digital_output_create_resources,
229 .set_property = nv_digital_output_set_property,
230 .destroy = NV50SorDestroy,
233 static const xf86OutputFuncsRec NV50SorLVDSOutputFuncs = {
234 .dpms = NV50SorDPMSSet,
237 .mode_valid = NV50LVDSModeValid,
238 .mode_fixup = NV50SorModeFixup,
239 .prepare = NV50OutputPrepare,
240 .commit = NV50OutputCommit,
241 .mode_set = NV50SorModeSet,
242 .detect = NV50SorLVDSDetect,
243 .get_modes = NV50SorGetLVDSModes,
244 .create_resources = nv_digital_output_create_resources,
245 .set_property = nv_digital_output_set_property,
246 .destroy = NV50SorDestroy,
249 const xf86OutputFuncsRec * nv50_get_tmds_output_funcs()
251 return &NV50SorTMDSOutputFuncs;
254 const xf86OutputFuncsRec * nv50_get_lvds_output_funcs()
256 return &NV50SorLVDSOutputFuncs;
259 static DisplayModePtr
260 ReadLVDSNativeMode(ScrnInfoPtr pScrn, const int off)
262 NVPtr pNv = NVPTR(pScrn);
263 DisplayModePtr mode = xnfcalloc(1, sizeof(DisplayModeRec));
264 const CARD32 size = NVRead(pNv, 0x00610b4c + off);
265 const int width = size & 0x3fff;
266 const int height = (size >> 16) & 0x3fff;
268 mode->HDisplay = width;
269 mode->VDisplay = height;
270 mode->Clock = NVRead(pNv, 0x00610ad4 + off) & 0x3fffff;
272 /* We should investigate what else is found in these register ranges. */
273 uint32_t unk1 = NVRead(pNv, 0x00610afc + off);
274 uint32_t unk2 = NVRead(pNv, 0x00610b04 + off);
275 uint32_t unk3 = NVRead(pNv, 0x00610ae8 + off);
276 /*uint32_t unk4 = NVRead(pNv, 0x00610af4 + off);*/
278 /* Recontruct our mode, so it can be handled normally. */
279 mode->HTotal = (unk1 & 0xFFFF);
280 mode->VTotal = (unk1 >> 16);
282 /* Assuming no interlacing. */
283 mode->HSyncStart = mode->HTotal - (unk3 & 0xFFFF) - 1;
284 mode->VSyncStart = mode->VTotal - (unk3 >> 16) - 1;
286 mode->HSyncEnd = mode->HSyncStart + (unk2 & 0xFFFF) + 1;
287 mode->VSyncEnd = mode->VSyncStart + (unk2 >> 16) + 1;
289 mode->next = mode->prev = NULL;
290 mode->status = MODE_OK;
291 mode->type = M_T_DRIVER | M_T_PREFERRED;
293 xf86SetModeDefaultName(mode);
299 GetLVDSNativeMode(ScrnInfoPtr pScrn)
301 NVPtr pNv = NVPTR(pScrn);
302 CARD32 val = NVRead(pNv, 0x00610050);
304 if ((val & 0x3) == 0x2) {
305 return ReadLVDSNativeMode(pScrn, 0);
306 } else if ((val & 0x300) == 0x200) {
307 return ReadLVDSNativeMode(pScrn, 0x540);