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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
[linux-2.6-block.git] / drivers / gpu / drm / nouveau / dispnv04 / crtc.c
CommitLineData
6ee73861
BS		 1/*
2 * Copyright 1993-2003 NVIDIA, Corporation
3 * Copyright 2006 Dave Airlie
4 * Copyright 2007 Maarten Maathuis
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 */
5addcf0a 25#include <linux/pm_runtime.h>
6ee73861 26
760285e7
DH		 27#include <drm/drmP.h>
28#include <drm/drm_crtc_helper.h>
3cb9ae4f 29#include <drm/drm_plane_helper.h>
6ee73861 30
77145f1c
BS		 31#include "nouveau_drm.h"
32#include "nouveau_reg.h"
33#include "nouveau_bo.h"
34#include "nouveau_gem.h"
6ee73861
BS		 35#include "nouveau_encoder.h"
36#include "nouveau_connector.h"
37#include "nouveau_crtc.h"
1a646342 38#include "hw.h"
6ee73861 39#include "nvreg.h"
a424d761 40#include "nouveau_fbcon.h"
1a646342 41#include "disp.h"
77145f1c
BS		 42
43#include <subdev/bios/pll.h>
f3867f43 44#include <subdev/clk.h>
6ee73861
BS		 45
46static int
47nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
48 struct drm_framebuffer *old_fb);
49
50static void
51crtc_wr_cio_state(struct drm_crtc *crtc, struct nv04_crtc_reg *crtcstate, int index)
52{
53 NVWriteVgaCrtc(crtc->dev, nouveau_crtc(crtc)->index, index,
54 crtcstate->CRTC[index]);
55}
56
57static void nv_crtc_set_digital_vibrance(struct drm_crtc *crtc, int level)
58{
59 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
017e6e29
BS		 60 struct drm_device *dev = crtc->dev;
61 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
6ee73861
BS		 62
63 regp->CRTC[NV_CIO_CRE_CSB] = nv_crtc->saturation = level;
64 if (nv_crtc->saturation && nv_gf4_disp_arch(crtc->dev)) {
65 regp->CRTC[NV_CIO_CRE_CSB] = 0x80;
66 regp->CRTC[NV_CIO_CRE_5B] = nv_crtc->saturation << 2;
67 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_5B);
68 }
69 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_CSB);
70}
71
72static void nv_crtc_set_image_sharpening(struct drm_crtc *crtc, int level)
73{
74 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
017e6e29
BS		 75 struct drm_device *dev = crtc->dev;
76 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
6ee73861
BS		 77
78 nv_crtc->sharpness = level;
79 if (level < 0) /* blur is in hw range 0x3f -> 0x20 */
80 level += 0x40;
81 regp->ramdac_634 = level;
82 NVWriteRAMDAC(crtc->dev, nv_crtc->index, NV_PRAMDAC_634, regp->ramdac_634);
83}
84
85#define PLLSEL_VPLL1_MASK \
86 (NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_VPLL \
87 | NV_PRAMDAC_PLL_COEFF_SELECT_VCLK_RATIO_DB2)
88#define PLLSEL_VPLL2_MASK \
89 (NV_PRAMDAC_PLL_COEFF_SELECT_PLL_SOURCE_VPLL2 \
90 | NV_PRAMDAC_PLL_COEFF_SELECT_VCLK2_RATIO_DB2)
91#define PLLSEL_TV_MASK \
92 (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK1 \
93 | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK1 \
94 | NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK2 \
95 | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK2)
96
97/* NV4x 0x40.. pll notes:
98 * gpu pll: 0x4000 + 0x4004
99 * ?gpu? pll: 0x4008 + 0x400c
100 * vpll1: 0x4010 + 0x4014
101 * vpll2: 0x4018 + 0x401c
102 * mpll: 0x4020 + 0x4024
103 * mpll: 0x4038 + 0x403c
104 *
105 * the first register of each pair has some unknown details:
106 * bits 0-7: redirected values from elsewhere? (similar to PLL_SETUP_CONTROL?)
107 * bits 20-23: (mpll) something to do with post divider?
108 * bits 28-31: related to single stage mode? (bit 8/12)
109 */
110
111static void nv_crtc_calc_state_ext(struct drm_crtc *crtc, struct drm_display_mode * mode, int dot_clock)
112{
113 struct drm_device *dev = crtc->dev;
77145f1c 114 struct nouveau_drm *drm = nouveau_drm(dev);
be83cd4e
BS		 115 struct nvkm_bios *bios = nvxx_bios(&drm->device);
116 struct nvkm_clk *clk = nvxx_clk(&drm->device);
6ee73861 117 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
017e6e29 118 struct nv04_mode_state *state = &nv04_display(dev)->mode_reg;
6ee73861 119 struct nv04_crtc_reg *regp = &state->crtc_reg[nv_crtc->index];
be83cd4e 120 struct nvkm_pll_vals *pv = &regp->pllvals;
70790f4f 121 struct nvbios_pll pll_lim;
6ee73861 122
77145f1c
BS		 123 if (nvbios_pll_parse(bios, nv_crtc->index ? PLL_VPLL1 : PLL_VPLL0,
124 &pll_lim))
6ee73861
BS		 125 return;
126
127 /* NM2 == 0 is used to determine single stage mode on two stage plls */
128 pv->NM2 = 0;
129
130 /* for newer nv4x the blob uses only the first stage of the vpll below a
131 * certain clock. for a certain nv4b this is 150MHz. since the max
132 * output frequency of the first stage for this card is 300MHz, it is
133 * assumed the threshold is given by vco1 maxfreq/2
134 */
135 /* for early nv4x, specifically nv40 and *some* nv43 (devids 0 and 6,
136 * not 8, others unknown), the blob always uses both plls. no problem
137 * has yet been observed in allowing the use a single stage pll on all
138 * nv43 however. the behaviour of single stage use is untested on nv40
139 */
967e7bde 140 if (drm->device.info.chipset > 0x40 && dot_clock <= (pll_lim.vco1.max_freq / 2))
6ee73861
BS		 141 memset(&pll_lim.vco2, 0, sizeof(pll_lim.vco2));
142
77145f1c
BS		 143
144 if (!clk->pll_calc(clk, &pll_lim, dot_clock, pv))
6ee73861
BS		 145 return;
146
147 state->pllsel &= PLLSEL_VPLL1_MASK | PLLSEL_VPLL2_MASK | PLLSEL_TV_MASK;
148
149 /* The blob uses this always, so let's do the same */
967e7bde 150 if (drm->device.info.family == NV_DEVICE_INFO_V0_CURIE)
6ee73861
BS		 151 state->pllsel |= NV_PRAMDAC_PLL_COEFF_SELECT_USE_VPLL2_TRUE;
152 /* again nv40 and some nv43 act more like nv3x as described above */
967e7bde 153 if (drm->device.info.chipset < 0x41)
6ee73861
BS		 154 state->pllsel |= NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_MPLL |
155 NV_PRAMDAC_PLL_COEFF_SELECT_SOURCE_PROG_NVPLL;
156 state->pllsel |= nv_crtc->index ? PLLSEL_VPLL2_MASK : PLLSEL_VPLL1_MASK;
157
158 if (pv->NM2)
77145f1c 159 NV_DEBUG(drm, "vpll: n1 %d n2 %d m1 %d m2 %d log2p %d\n",
6ee73861
BS		 160 pv->N1, pv->N2, pv->M1, pv->M2, pv->log2P);
161 else
77145f1c 162 NV_DEBUG(drm, "vpll: n %d m %d log2p %d\n",
6ee73861
BS		 163 pv->N1, pv->M1, pv->log2P);
164
165 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset);
166}
167
168static void
169nv_crtc_dpms(struct drm_crtc *crtc, int mode)
170{
171 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
172 struct drm_device *dev = crtc->dev;
77145f1c 173 struct nouveau_drm *drm = nouveau_drm(dev);
6ee73861
BS		 174 unsigned char seq1 = 0, crtc17 = 0;
175 unsigned char crtc1A;
176
77145f1c 177 NV_DEBUG(drm, "Setting dpms mode %d on CRTC %d\n", mode,
6ee73861
BS		 178 nv_crtc->index);
179
25985edc 180 if (nv_crtc->last_dpms == mode) /* Don't do unnecessary mode changes. */
6ee73861
BS		 181 return;
182
183 nv_crtc->last_dpms = mode;
184
185 if (nv_two_heads(dev))
186 NVSetOwner(dev, nv_crtc->index);
187
188 /* nv4ref indicates these two RPC1 bits inhibit h/v sync */
189 crtc1A = NVReadVgaCrtc(dev, nv_crtc->index,
190 NV_CIO_CRE_RPC1_INDEX) & ~0xC0;
191 switch (mode) {
192 case DRM_MODE_DPMS_STANDBY:
193 /* Screen: Off; HSync: Off, VSync: On -- Not Supported */
194 seq1 = 0x20;
195 crtc17 = 0x80;
196 crtc1A |= 0x80;
197 break;
198 case DRM_MODE_DPMS_SUSPEND:
199 /* Screen: Off; HSync: On, VSync: Off -- Not Supported */
200 seq1 = 0x20;
201 crtc17 = 0x80;
202 crtc1A |= 0x40;
203 break;
204 case DRM_MODE_DPMS_OFF:
205 /* Screen: Off; HSync: Off, VSync: Off */
206 seq1 = 0x20;
207 crtc17 = 0x00;
208 crtc1A |= 0xC0;
209 break;
210 case DRM_MODE_DPMS_ON:
211 default:
212 /* Screen: On; HSync: On, VSync: On */
213 seq1 = 0x00;
214 crtc17 = 0x80;
215 break;
216 }
217
218 NVVgaSeqReset(dev, nv_crtc->index, true);
219 /* Each head has it's own sequencer, so we can turn it off when we want */
220 seq1 |= (NVReadVgaSeq(dev, nv_crtc->index, NV_VIO_SR_CLOCK_INDEX) & ~0x20);
221 NVWriteVgaSeq(dev, nv_crtc->index, NV_VIO_SR_CLOCK_INDEX, seq1);
222 crtc17 |= (NVReadVgaCrtc(dev, nv_crtc->index, NV_CIO_CR_MODE_INDEX) & ~0x80);
223 mdelay(10);
224 NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CR_MODE_INDEX, crtc17);
225 NVVgaSeqReset(dev, nv_crtc->index, false);
226
227 NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RPC1_INDEX, crtc1A);
228}
229
6ee73861
BS		 230static void
231nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct drm_display_mode *mode)
232{
233 struct drm_device *dev = crtc->dev;
6ee73861 234 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
017e6e29 235 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
f4510a27 236 struct drm_framebuffer *fb = crtc->primary->fb;
6ee73861
BS		 237
238 /* Calculate our timings */
e5ec882c
FJ		 239 int horizDisplay = (mode->crtc_hdisplay >> 3) - 1;
240 int horizStart = (mode->crtc_hsync_start >> 3) + 1;
241 int horizEnd = (mode->crtc_hsync_end >> 3) + 1;
6ee73861
BS		 242 int horizTotal = (mode->crtc_htotal >> 3) - 5;
243 int horizBlankStart = (mode->crtc_hdisplay >> 3) - 1;
244 int horizBlankEnd = (mode->crtc_htotal >> 3) - 1;
245 int vertDisplay = mode->crtc_vdisplay - 1;
246 int vertStart = mode->crtc_vsync_start - 1;
247 int vertEnd = mode->crtc_vsync_end - 1;
248 int vertTotal = mode->crtc_vtotal - 2;
249 int vertBlankStart = mode->crtc_vdisplay - 1;
250 int vertBlankEnd = mode->crtc_vtotal - 1;
251
252 struct drm_encoder *encoder;
253 bool fp_output = false;
254
255 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
256 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
257
258 if (encoder->crtc == crtc &&
cb75d97e
BS		 259 (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
260 nv_encoder->dcb->type == DCB_OUTPUT_TMDS))
6ee73861
BS		 261 fp_output = true;
262 }
263
264 if (fp_output) {
265 vertStart = vertTotal - 3;
266 vertEnd = vertTotal - 2;
267 vertBlankStart = vertStart;
268 horizStart = horizTotal - 5;
269 horizEnd = horizTotal - 2;
270 horizBlankEnd = horizTotal + 4;
271#if 0
967e7bde 272 if (dev->overlayAdaptor && drm->device.info.family >= NV_DEVICE_INFO_V0_CELSIUS)
6ee73861
BS		 273 /* This reportedly works around some video overlay bandwidth problems */
274 horizTotal += 2;
275#endif
276 }
277
278 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
279 vertTotal |= 1;
280
281#if 0
282 ErrorF("horizDisplay: 0x%X \n", horizDisplay);
283 ErrorF("horizStart: 0x%X \n", horizStart);
284 ErrorF("horizEnd: 0x%X \n", horizEnd);
285 ErrorF("horizTotal: 0x%X \n", horizTotal);
286 ErrorF("horizBlankStart: 0x%X \n", horizBlankStart);
287 ErrorF("horizBlankEnd: 0x%X \n", horizBlankEnd);
288 ErrorF("vertDisplay: 0x%X \n", vertDisplay);
289 ErrorF("vertStart: 0x%X \n", vertStart);
290 ErrorF("vertEnd: 0x%X \n", vertEnd);
291 ErrorF("vertTotal: 0x%X \n", vertTotal);
292 ErrorF("vertBlankStart: 0x%X \n", vertBlankStart);
293 ErrorF("vertBlankEnd: 0x%X \n", vertBlankEnd);
294#endif
295
296 /*
297 * compute correct Hsync & Vsync polarity
298 */
299 if ((mode->flags & (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))
300 && (mode->flags & (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) {
301
302 regp->MiscOutReg = 0x23;
303 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
304 regp->MiscOutReg |= 0x40;
305 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
306 regp->MiscOutReg |= 0x80;
307 } else {
308 int vdisplay = mode->vdisplay;
309 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
310 vdisplay *= 2;
311 if (mode->vscan > 1)
312 vdisplay *= mode->vscan;
313 if (vdisplay < 400)
314 regp->MiscOutReg = 0xA3; /* +hsync -vsync */
315 else if (vdisplay < 480)
316 regp->MiscOutReg = 0x63; /* -hsync +vsync */
317 else if (vdisplay < 768)
318 regp->MiscOutReg = 0xE3; /* -hsync -vsync */
319 else
320 regp->MiscOutReg = 0x23; /* +hsync +vsync */
321 }
322
6ee73861
BS		 323 /*
324 * Time Sequencer
325 */
326 regp->Sequencer[NV_VIO_SR_RESET_INDEX] = 0x00;
327 /* 0x20 disables the sequencer */
328 if (mode->flags & DRM_MODE_FLAG_CLKDIV2)
329 regp->Sequencer[NV_VIO_SR_CLOCK_INDEX] = 0x29;
330 else
331 regp->Sequencer[NV_VIO_SR_CLOCK_INDEX] = 0x21;
332 regp->Sequencer[NV_VIO_SR_PLANE_MASK_INDEX] = 0x0F;
333 regp->Sequencer[NV_VIO_SR_CHAR_MAP_INDEX] = 0x00;
334 regp->Sequencer[NV_VIO_SR_MEM_MODE_INDEX] = 0x0E;
335
336 /*
337 * CRTC
338 */
339 regp->CRTC[NV_CIO_CR_HDT_INDEX] = horizTotal;
340 regp->CRTC[NV_CIO_CR_HDE_INDEX] = horizDisplay;
341 regp->CRTC[NV_CIO_CR_HBS_INDEX] = horizBlankStart;
342 regp->CRTC[NV_CIO_CR_HBE_INDEX] = (1 << 7) |
343 XLATE(horizBlankEnd, 0, NV_CIO_CR_HBE_4_0);
344 regp->CRTC[NV_CIO_CR_HRS_INDEX] = horizStart;
345 regp->CRTC[NV_CIO_CR_HRE_INDEX] = XLATE(horizBlankEnd, 5, NV_CIO_CR_HRE_HBE_5) |
346 XLATE(horizEnd, 0, NV_CIO_CR_HRE_4_0);
347 regp->CRTC[NV_CIO_CR_VDT_INDEX] = vertTotal;
348 regp->CRTC[NV_CIO_CR_OVL_INDEX] = XLATE(vertStart, 9, NV_CIO_CR_OVL_VRS_9) |
349 XLATE(vertDisplay, 9, NV_CIO_CR_OVL_VDE_9) |
350 XLATE(vertTotal, 9, NV_CIO_CR_OVL_VDT_9) |
351 (1 << 4) |
352 XLATE(vertBlankStart, 8, NV_CIO_CR_OVL_VBS_8) |
353 XLATE(vertStart, 8, NV_CIO_CR_OVL_VRS_8) |
354 XLATE(vertDisplay, 8, NV_CIO_CR_OVL_VDE_8) |
355 XLATE(vertTotal, 8, NV_CIO_CR_OVL_VDT_8);
356 regp->CRTC[NV_CIO_CR_RSAL_INDEX] = 0x00;
357 regp->CRTC[NV_CIO_CR_CELL_HT_INDEX] = ((mode->flags & DRM_MODE_FLAG_DBLSCAN) ? MASK(NV_CIO_CR_CELL_HT_SCANDBL) : 0) |
358 1 << 6 |
359 XLATE(vertBlankStart, 9, NV_CIO_CR_CELL_HT_VBS_9);
360 regp->CRTC[NV_CIO_CR_CURS_ST_INDEX] = 0x00;
361 regp->CRTC[NV_CIO_CR_CURS_END_INDEX] = 0x00;
362 regp->CRTC[NV_CIO_CR_SA_HI_INDEX] = 0x00;
363 regp->CRTC[NV_CIO_CR_SA_LO_INDEX] = 0x00;
364 regp->CRTC[NV_CIO_CR_TCOFF_HI_INDEX] = 0x00;
365 regp->CRTC[NV_CIO_CR_TCOFF_LO_INDEX] = 0x00;
366 regp->CRTC[NV_CIO_CR_VRS_INDEX] = vertStart;
367 regp->CRTC[NV_CIO_CR_VRE_INDEX] = 1 << 5 | XLATE(vertEnd, 0, NV_CIO_CR_VRE_3_0);
368 regp->CRTC[NV_CIO_CR_VDE_INDEX] = vertDisplay;
369 /* framebuffer can be larger than crtc scanout area. */
01f2c773 370 regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = fb->pitches[0] / 8;
6ee73861
BS		 371 regp->CRTC[NV_CIO_CR_ULINE_INDEX] = 0x00;
372 regp->CRTC[NV_CIO_CR_VBS_INDEX] = vertBlankStart;
373 regp->CRTC[NV_CIO_CR_VBE_INDEX] = vertBlankEnd;
374 regp->CRTC[NV_CIO_CR_MODE_INDEX] = 0x43;
375 regp->CRTC[NV_CIO_CR_LCOMP_INDEX] = 0xff;
376
377 /*
378 * Some extended CRTC registers (they are not saved with the rest of the vga regs).
379 */
380
381 /* framebuffer can be larger than crtc scanout area. */
c1003d9c 382 regp->CRTC[NV_CIO_CRE_RPC0_INDEX] =
01f2c773 383 XLATE(fb->pitches[0] / 8, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
c1003d9c 384 regp->CRTC[NV_CIO_CRE_42] =
01f2c773 385 XLATE(fb->pitches[0] / 8, 11, NV_CIO_CRE_42_OFFSET_11);
6ee73861
BS		 386 regp->CRTC[NV_CIO_CRE_RPC1_INDEX] = mode->crtc_hdisplay < 1280 ?
387 MASK(NV_CIO_CRE_RPC1_LARGE) : 0x00;
388 regp->CRTC[NV_CIO_CRE_LSR_INDEX] = XLATE(horizBlankEnd, 6, NV_CIO_CRE_LSR_HBE_6) |
389 XLATE(vertBlankStart, 10, NV_CIO_CRE_LSR_VBS_10) |
390 XLATE(vertStart, 10, NV_CIO_CRE_LSR_VRS_10) |
391 XLATE(vertDisplay, 10, NV_CIO_CRE_LSR_VDE_10) |
392 XLATE(vertTotal, 10, NV_CIO_CRE_LSR_VDT_10);
393 regp->CRTC[NV_CIO_CRE_HEB__INDEX] = XLATE(horizStart, 8, NV_CIO_CRE_HEB_HRS_8) |
394 XLATE(horizBlankStart, 8, NV_CIO_CRE_HEB_HBS_8) |
395 XLATE(horizDisplay, 8, NV_CIO_CRE_HEB_HDE_8) |
396 XLATE(horizTotal, 8, NV_CIO_CRE_HEB_HDT_8);
397 regp->CRTC[NV_CIO_CRE_EBR_INDEX] = XLATE(vertBlankStart, 11, NV_CIO_CRE_EBR_VBS_11) |
398 XLATE(vertStart, 11, NV_CIO_CRE_EBR_VRS_11) |
399 XLATE(vertDisplay, 11, NV_CIO_CRE_EBR_VDE_11) |
400 XLATE(vertTotal, 11, NV_CIO_CRE_EBR_VDT_11);
401
402 if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
403 horizTotal = (horizTotal >> 1) & ~1;
404 regp->CRTC[NV_CIO_CRE_ILACE__INDEX] = horizTotal;
405 regp->CRTC[NV_CIO_CRE_HEB__INDEX] |= XLATE(horizTotal, 8, NV_CIO_CRE_HEB_ILC_8);
406 } else
407 regp->CRTC[NV_CIO_CRE_ILACE__INDEX] = 0xff; /* interlace off */
408
409 /*
410 * Graphics Display Controller
411 */
412 regp->Graphics[NV_VIO_GX_SR_INDEX] = 0x00;
413 regp->Graphics[NV_VIO_GX_SREN_INDEX] = 0x00;
414 regp->Graphics[NV_VIO_GX_CCOMP_INDEX] = 0x00;
415 regp->Graphics[NV_VIO_GX_ROP_INDEX] = 0x00;
416 regp->Graphics[NV_VIO_GX_READ_MAP_INDEX] = 0x00;
417 regp->Graphics[NV_VIO_GX_MODE_INDEX] = 0x40; /* 256 color mode */
418 regp->Graphics[NV_VIO_GX_MISC_INDEX] = 0x05; /* map 64k mem + graphic mode */
419 regp->Graphics[NV_VIO_GX_DONT_CARE_INDEX] = 0x0F;
420 regp->Graphics[NV_VIO_GX_BIT_MASK_INDEX] = 0xFF;
421
422 regp->Attribute[0] = 0x00; /* standard colormap translation */
423 regp->Attribute[1] = 0x01;
424 regp->Attribute[2] = 0x02;
425 regp->Attribute[3] = 0x03;
426 regp->Attribute[4] = 0x04;
427 regp->Attribute[5] = 0x05;
428 regp->Attribute[6] = 0x06;
429 regp->Attribute[7] = 0x07;
430 regp->Attribute[8] = 0x08;
431 regp->Attribute[9] = 0x09;
432 regp->Attribute[10] = 0x0A;
433 regp->Attribute[11] = 0x0B;
434 regp->Attribute[12] = 0x0C;
435 regp->Attribute[13] = 0x0D;
436 regp->Attribute[14] = 0x0E;
437 regp->Attribute[15] = 0x0F;
438 regp->Attribute[NV_CIO_AR_MODE_INDEX] = 0x01; /* Enable graphic mode */
439 /* Non-vga */
440 regp->Attribute[NV_CIO_AR_OSCAN_INDEX] = 0x00;
441 regp->Attribute[NV_CIO_AR_PLANE_INDEX] = 0x0F; /* enable all color planes */
442 regp->Attribute[NV_CIO_AR_HPP_INDEX] = 0x00;
443 regp->Attribute[NV_CIO_AR_CSEL_INDEX] = 0x00;
444}
445
446/**
447 * Sets up registers for the given mode/adjusted_mode pair.
448 *
449 * The clocks, CRTCs and outputs attached to this CRTC must be off.
450 *
451 * This shouldn't enable any clocks, CRTCs, or outputs, but they should
452 * be easily turned on/off after this.
453 */
454static void
455nv_crtc_mode_set_regs(struct drm_crtc *crtc, struct drm_display_mode * mode)
456{
457 struct drm_device *dev = crtc->dev;
77145f1c 458 struct nouveau_drm *drm = nouveau_drm(dev);
6ee73861 459 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
017e6e29
BS		 460 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
461 struct nv04_crtc_reg *savep = &nv04_display(dev)->saved_reg.crtc_reg[nv_crtc->index];
6ee73861
BS		 462 struct drm_encoder *encoder;
463 bool lvds_output = false, tmds_output = false, tv_output = false,
464 off_chip_digital = false;
465
466 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
467 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
468 bool digital = false;
469
470 if (encoder->crtc != crtc)
471 continue;
472
cb75d97e 473 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS)
6ee73861 474 digital = lvds_output = true;
cb75d97e 475 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
6ee73861 476 tv_output = true;
cb75d97e 477 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
6ee73861
BS		 478 digital = tmds_output = true;
479 if (nv_encoder->dcb->location != DCB_LOC_ON_CHIP && digital)
480 off_chip_digital = true;
481 }
482
483 /* Registers not directly related to the (s)vga mode */
484
485 /* What is the meaning of this register? */
486 /* A few popular values are 0x18, 0x1c, 0x38, 0x3c */
487 regp->CRTC[NV_CIO_CRE_ENH_INDEX] = savep->CRTC[NV_CIO_CRE_ENH_INDEX] & ~(1<<5);
488
489 regp->crtc_eng_ctrl = 0;
490 /* Except for rare conditions I2C is enabled on the primary crtc */
491 if (nv_crtc->index == 0)
492 regp->crtc_eng_ctrl |= NV_CRTC_FSEL_I2C;
493#if 0
494 /* Set overlay to desired crtc. */
495 if (dev->overlayAdaptor) {
496 NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(dev);
497 if (pPriv->overlayCRTC == nv_crtc->index)
498 regp->crtc_eng_ctrl |= NV_CRTC_FSEL_OVERLAY;
499 }
500#endif
501
502 /* ADDRESS_SPACE_PNVM is the same as setting HCUR_ASI */
503 regp->cursor_cfg = NV_PCRTC_CURSOR_CONFIG_CUR_LINES_64 |
504 NV_PCRTC_CURSOR_CONFIG_CUR_PIXELS_64 |
505 NV_PCRTC_CURSOR_CONFIG_ADDRESS_SPACE_PNVM;
967e7bde 506 if (drm->device.info.chipset >= 0x11)
6ee73861
BS		 507 regp->cursor_cfg |= NV_PCRTC_CURSOR_CONFIG_CUR_BPP_32;
508 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
509 regp->cursor_cfg |= NV_PCRTC_CURSOR_CONFIG_DOUBLE_SCAN_ENABLE;
510
511 /* Unblock some timings */
512 regp->CRTC[NV_CIO_CRE_53] = 0;
513 regp->CRTC[NV_CIO_CRE_54] = 0;
514
515 /* 0x00 is disabled, 0x11 is lvds, 0x22 crt and 0x88 tmds */
516 if (lvds_output)
517 regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x11;
518 else if (tmds_output)
519 regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x88;
520 else
521 regp->CRTC[NV_CIO_CRE_SCRATCH3__INDEX] = 0x22;
522
523 /* These values seem to vary */
524 /* This register seems to be used by the bios to make certain decisions on some G70 cards? */
525 regp->CRTC[NV_CIO_CRE_SCRATCH4__INDEX] = savep->CRTC[NV_CIO_CRE_SCRATCH4__INDEX];
526
527 nv_crtc_set_digital_vibrance(crtc, nv_crtc->saturation);
528
529 /* probably a scratch reg, but kept for cargo-cult purposes:
530 * bit0: crtc0?, head A
531 * bit6: lvds, head A
532 * bit7: (only in X), head A
533 */
534 if (nv_crtc->index == 0)
535 regp->CRTC[NV_CIO_CRE_4B] = savep->CRTC[NV_CIO_CRE_4B] | 0x80;
536
537 /* The blob seems to take the current value from crtc 0, add 4 to that
538 * and reuse the old value for crtc 1 */
017e6e29 539 regp->CRTC[NV_CIO_CRE_TVOUT_LATENCY] = nv04_display(dev)->saved_reg.crtc_reg[0].CRTC[NV_CIO_CRE_TVOUT_LATENCY];
6ee73861
BS		 540 if (!nv_crtc->index)
541 regp->CRTC[NV_CIO_CRE_TVOUT_LATENCY] += 4;
542
543 /* the blob sometimes sets |= 0x10 (which is the same as setting |=
544 * 1 << 30 on 0x60.830), for no apparent reason */
545 regp->CRTC[NV_CIO_CRE_59] = off_chip_digital;
546
967e7bde 547 if (drm->device.info.family >= NV_DEVICE_INFO_V0_RANKINE)
4a9f822f
FJ		 548 regp->CRTC[0x9f] = off_chip_digital ? 0x11 : 0x1;
549
6ee73861
BS		 550 regp->crtc_830 = mode->crtc_vdisplay - 3;
551 regp->crtc_834 = mode->crtc_vdisplay - 1;
552
967e7bde 553 if (drm->device.info.family == NV_DEVICE_INFO_V0_CURIE)
6ee73861
BS		 554 /* This is what the blob does */
555 regp->crtc_850 = NVReadCRTC(dev, 0, NV_PCRTC_850);
556
967e7bde 557 if (drm->device.info.family >= NV_DEVICE_INFO_V0_RANKINE)
6ee73861
BS		 558 regp->gpio_ext = NVReadCRTC(dev, 0, NV_PCRTC_GPIO_EXT);
559
967e7bde 560 if (drm->device.info.family >= NV_DEVICE_INFO_V0_CELSIUS)
63f7fcfe
FJ		 561 regp->crtc_cfg = NV10_PCRTC_CONFIG_START_ADDRESS_HSYNC;
562 else
563 regp->crtc_cfg = NV04_PCRTC_CONFIG_START_ADDRESS_HSYNC;
6ee73861
BS		 564
565 /* Some misc regs */
967e7bde 566 if (drm->device.info.family == NV_DEVICE_INFO_V0_CURIE) {
6ee73861
BS		 567 regp->CRTC[NV_CIO_CRE_85] = 0xFF;
568 regp->CRTC[NV_CIO_CRE_86] = 0x1;
569 }
570
f4510a27 571 regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] = (crtc->primary->fb->depth + 1) / 8;
6ee73861
BS		 572 /* Enable slaved mode (called MODE_TV in nv4ref.h) */
573 if (lvds_output || tmds_output || tv_output)
574 regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] |= (1 << 7);
575
576 /* Generic PRAMDAC regs */
577
967e7bde 578 if (drm->device.info.family >= NV_DEVICE_INFO_V0_CELSIUS)
6ee73861
BS		 579 /* Only bit that bios and blob set. */
580 regp->nv10_cursync = (1 << 25);
581
582 regp->ramdac_gen_ctrl = NV_PRAMDAC_GENERAL_CONTROL_BPC_8BITS |
583 NV_PRAMDAC_GENERAL_CONTROL_VGA_STATE_SEL |
584 NV_PRAMDAC_GENERAL_CONTROL_PIXMIX_ON;
f4510a27 585 if (crtc->primary->fb->depth == 16)
6ee73861 586 regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL;
967e7bde 587 if (drm->device.info.chipset >= 0x11)
6ee73861
BS		 588 regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_PIPE_LONG;
589
590 regp->ramdac_630 = 0; /* turn off green mode (tv test pattern?) */
591 regp->tv_setup = 0;
592
593 nv_crtc_set_image_sharpening(crtc, nv_crtc->sharpness);
594
595 /* Some values the blob sets */
596 regp->ramdac_8c0 = 0x100;
597 regp->ramdac_a20 = 0x0;
598 regp->ramdac_a24 = 0xfffff;
599 regp->ramdac_a34 = 0x1;
600}
601
78ae0ad4
BS		 602static int
603nv_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
604{
605 struct nv04_display *disp = nv04_display(crtc->dev);
f4510a27 606 struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->primary->fb);
78ae0ad4
BS		 607 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
608 int ret;
609
ad76b3f7 610 ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM, false);
78ae0ad4
BS		 611 if (ret == 0) {
612 if (disp->image[nv_crtc->index])
613 nouveau_bo_unpin(disp->image[nv_crtc->index]);
614 nouveau_bo_ref(nvfb->nvbo, &disp->image[nv_crtc->index]);
615 }
616
617 return ret;
618}
619
6ee73861
BS		 620/**
621 * Sets up registers for the given mode/adjusted_mode pair.
622 *
623 * The clocks, CRTCs and outputs attached to this CRTC must be off.
624 *
625 * This shouldn't enable any clocks, CRTCs, or outputs, but they should
626 * be easily turned on/off after this.
627 */
628static int
629nv_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
630 struct drm_display_mode *adjusted_mode,
631 int x, int y, struct drm_framebuffer *old_fb)
632{
633 struct drm_device *dev = crtc->dev;
634 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
77145f1c 635 struct nouveau_drm *drm = nouveau_drm(dev);
78ae0ad4 636 int ret;
6ee73861 637
77145f1c 638 NV_DEBUG(drm, "CTRC mode on CRTC %d:\n", nv_crtc->index);
6ee73861
BS		 639 drm_mode_debug_printmodeline(adjusted_mode);
640
78ae0ad4
BS		 641 ret = nv_crtc_swap_fbs(crtc, old_fb);
642 if (ret)
643 return ret;
644
6ee73861
BS		 645 /* unlock must come after turning off FP_TG_CONTROL in output_prepare */
646 nv_lock_vga_crtc_shadow(dev, nv_crtc->index, -1);
647
648 nv_crtc_mode_set_vga(crtc, adjusted_mode);
649 /* calculated in nv04_dfp_prepare, nv40 needs it written before calculating PLLs */
967e7bde 650 if (drm->device.info.family == NV_DEVICE_INFO_V0_CURIE)
017e6e29 651 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_SEL_CLK, nv04_display(dev)->mode_reg.sel_clk);
6ee73861
BS		 652 nv_crtc_mode_set_regs(crtc, adjusted_mode);
653 nv_crtc_calc_state_ext(crtc, mode, adjusted_mode->clock);
654 return 0;
655}
656
657static void nv_crtc_save(struct drm_crtc *crtc)
658{
659 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
017e6e29
BS		 660 struct drm_device *dev = crtc->dev;
661 struct nv04_mode_state *state = &nv04_display(dev)->mode_reg;
6ee73861 662 struct nv04_crtc_reg *crtc_state = &state->crtc_reg[nv_crtc->index];
017e6e29 663 struct nv04_mode_state *saved = &nv04_display(dev)->saved_reg;
6ee73861
BS		 664 struct nv04_crtc_reg *crtc_saved = &saved->crtc_reg[nv_crtc->index];
665
666 if (nv_two_heads(crtc->dev))
667 NVSetOwner(crtc->dev, nv_crtc->index);
668
669 nouveau_hw_save_state(crtc->dev, nv_crtc->index, saved);
670
671 /* init some state to saved value */
672 state->sel_clk = saved->sel_clk & ~(0x5 << 16);
673 crtc_state->CRTC[NV_CIO_CRE_LCD__INDEX] = crtc_saved->CRTC[NV_CIO_CRE_LCD__INDEX];
674 state->pllsel = saved->pllsel & ~(PLLSEL_VPLL1_MASK | PLLSEL_VPLL2_MASK | PLLSEL_TV_MASK);
675 crtc_state->gpio_ext = crtc_saved->gpio_ext;
676}
677
678static void nv_crtc_restore(struct drm_crtc *crtc)
679{
680 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
017e6e29 681 struct drm_device *dev = crtc->dev;
6ee73861 682 int head = nv_crtc->index;
017e6e29 683 uint8_t saved_cr21 = nv04_display(dev)->saved_reg.crtc_reg[head].CRTC[NV_CIO_CRE_21];
6ee73861
BS		 684
685 if (nv_two_heads(crtc->dev))
686 NVSetOwner(crtc->dev, head);
687
017e6e29 688 nouveau_hw_load_state(crtc->dev, head, &nv04_display(dev)->saved_reg);
6ee73861
BS		 689 nv_lock_vga_crtc_shadow(crtc->dev, head, saved_cr21);
690
691 nv_crtc->last_dpms = NV_DPMS_CLEARED;
692}
693
694static void nv_crtc_prepare(struct drm_crtc *crtc)
695{
696 struct drm_device *dev = crtc->dev;
77145f1c 697 struct nouveau_drm *drm = nouveau_drm(dev);
6ee73861 698 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
d58ded76 699 const struct drm_crtc_helper_funcs *funcs = crtc->helper_private;
6ee73861
BS		 700
701 if (nv_two_heads(dev))
702 NVSetOwner(dev, nv_crtc->index);
703
1c180fa5 704 drm_vblank_pre_modeset(dev, nv_crtc->index);
6ee73861
BS		 705 funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
706
707 NVBlankScreen(dev, nv_crtc->index, true);
708
25985edc 709 /* Some more preparation. */
6ee73861 710 NVWriteCRTC(dev, nv_crtc->index, NV_PCRTC_CONFIG, NV_PCRTC_CONFIG_START_ADDRESS_NON_VGA);
967e7bde 711 if (drm->device.info.family == NV_DEVICE_INFO_V0_CURIE) {
6ee73861
BS		 712 uint32_t reg900 = NVReadRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_900);
713 NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_900, reg900 & ~0x10000);
714 }
715}
716
717static void nv_crtc_commit(struct drm_crtc *crtc)
718{
719 struct drm_device *dev = crtc->dev;
d58ded76 720 const struct drm_crtc_helper_funcs *funcs = crtc->helper_private;
6ee73861
BS		 721 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
722
017e6e29 723 nouveau_hw_load_state(dev, nv_crtc->index, &nv04_display(dev)->mode_reg);
6ee73861
BS		 724 nv04_crtc_mode_set_base(crtc, crtc->x, crtc->y, NULL);
725
726#ifdef __BIG_ENDIAN
727 /* turn on LFB swapping */
728 {
729 uint8_t tmp = NVReadVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RCR);
730 tmp |= MASK(NV_CIO_CRE_RCR_ENDIAN_BIG);
731 NVWriteVgaCrtc(dev, nv_crtc->index, NV_CIO_CRE_RCR, tmp);
732 }
733#endif
734
735 funcs->dpms(crtc, DRM_MODE_DPMS_ON);
1c180fa5 736 drm_vblank_post_modeset(dev, nv_crtc->index);
6ee73861
BS		 737}
738
739static void nv_crtc_destroy(struct drm_crtc *crtc)
740{
78ae0ad4 741 struct nv04_display *disp = nv04_display(crtc->dev);
6ee73861
BS		 742 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
743
6ee73861
BS		 744 if (!nv_crtc)
745 return;
746
747 drm_crtc_cleanup(crtc);
748
78ae0ad4
BS		 749 if (disp->image[nv_crtc->index])
750 nouveau_bo_unpin(disp->image[nv_crtc->index]);
751 nouveau_bo_ref(NULL, &disp->image[nv_crtc->index]);
752
9d59e8a1 753 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
04c8c210 754 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
6ee73861
BS		 755 nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
756 kfree(nv_crtc);
757}
758
759static void
760nv_crtc_gamma_load(struct drm_crtc *crtc)
761{
762 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
763 struct drm_device *dev = nv_crtc->base.dev;
6ee73861
BS		 764 struct rgb { uint8_t r, g, b; } __attribute__((packed)) *rgbs;
765 int i;
766
017e6e29 767 rgbs = (struct rgb *)nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index].DAC;
6ee73861
BS		 768 for (i = 0; i < 256; i++) {
769 rgbs[i].r = nv_crtc->lut.r[i] >> 8;
770 rgbs[i].g = nv_crtc->lut.g[i] >> 8;
771 rgbs[i].b = nv_crtc->lut.b[i] >> 8;
772 }
773
017e6e29 774 nouveau_hw_load_state_palette(dev, nv_crtc->index, &nv04_display(dev)->mode_reg);
6ee73861
BS		 775}
776
78ae0ad4
BS		 777static void
778nv_crtc_disable(struct drm_crtc *crtc)
779{
780 struct nv04_display *disp = nv04_display(crtc->dev);
781 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
782 if (disp->image[nv_crtc->index])
783 nouveau_bo_unpin(disp->image[nv_crtc->index]);
784 nouveau_bo_ref(NULL, &disp->image[nv_crtc->index]);
785}
786
6ee73861 787static void
7203425a
JS		 788nv_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t start,
789 uint32_t size)
6ee73861 790{
7203425a 791 int end = (start + size > 256) ? 256 : start + size, i;
6ee73861 792 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
6ee73861 793
7203425a 794 for (i = start; i < end; i++) {
6ee73861
BS		 795 nv_crtc->lut.r[i] = r[i];
796 nv_crtc->lut.g[i] = g[i];
797 nv_crtc->lut.b[i] = b[i];
798 }
799
800 /* We need to know the depth before we upload, but it's possible to
801 * get called before a framebuffer is bound. If this is the case,
802 * mark the lut values as dirty by setting depth==0, and it'll be
803 * uploaded on the first mode_set_base()
804 */
f4510a27 805 if (!nv_crtc->base.primary->fb) {
6ee73861
BS		 806 nv_crtc->lut.depth = 0;
807 return;
808 }
809
810 nv_crtc_gamma_load(crtc);
811}
812
813static int
be64c2bb
CB		 814nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
815 struct drm_framebuffer *passed_fb,
816 int x, int y, bool atomic)
6ee73861
BS		 817{
818 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
819 struct drm_device *dev = crtc->dev;
77145f1c 820 struct nouveau_drm *drm = nouveau_drm(dev);
017e6e29 821 struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
0e83bb4e
EV		 822 struct drm_framebuffer *drm_fb;
823 struct nouveau_framebuffer *fb;
6ee73861 824 int arb_burst, arb_lwm;
6ee73861 825
77145f1c 826 NV_DEBUG(drm, "index %d\n", nv_crtc->index);
0e83bb4e
EV		 827
828 /* no fb bound */
f4510a27 829 if (!atomic && !crtc->primary->fb) {
77145f1c 830 NV_DEBUG(drm, "No FB bound\n");
0e83bb4e
EV		 831 return 0;
832 }
833
be64c2bb 834 /* If atomic, we want to switch to the fb we were passed, so
78ae0ad4 835 * now we update pointers to do that.
be64c2bb
CB		 836 */
837 if (atomic) {
838 drm_fb = passed_fb;
839 fb = nouveau_framebuffer(passed_fb);
f9ec8f6c 840 } else {
f4510a27
MR		 841 drm_fb = crtc->primary->fb;
842 fb = nouveau_framebuffer(crtc->primary->fb);
6ee73861
BS		 843 }
844
845 nv_crtc->fb.offset = fb->nvbo->bo.offset;
846
847 if (nv_crtc->lut.depth != drm_fb->depth) {
848 nv_crtc->lut.depth = drm_fb->depth;
849 nv_crtc_gamma_load(crtc);
850 }
851
852 /* Update the framebuffer format. */
853 regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] &= ~3;
f4510a27 854 regp->CRTC[NV_CIO_CRE_PIXEL_INDEX] |= (crtc->primary->fb->depth + 1) / 8;
6ee73861 855 regp->ramdac_gen_ctrl &= ~NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL;
f4510a27 856 if (crtc->primary->fb->depth == 16)
6ee73861
BS		 857 regp->ramdac_gen_ctrl |= NV_PRAMDAC_GENERAL_CONTROL_ALT_MODE_SEL;
858 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_PIXEL_INDEX);
859 NVWriteRAMDAC(dev, nv_crtc->index, NV_PRAMDAC_GENERAL_CONTROL,
860 regp->ramdac_gen_ctrl);
861
01f2c773 862 regp->CRTC[NV_CIO_CR_OFFSET_INDEX] = drm_fb->pitches[0] >> 3;
6ee73861 863 regp->CRTC[NV_CIO_CRE_RPC0_INDEX] =
01f2c773 864 XLATE(drm_fb->pitches[0] >> 3, 8, NV_CIO_CRE_RPC0_OFFSET_10_8);
c1003d9c 865 regp->CRTC[NV_CIO_CRE_42] =
01f2c773 866 XLATE(drm_fb->pitches[0] / 8, 11, NV_CIO_CRE_42_OFFSET_11);
6ee73861
BS		 867 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_RPC0_INDEX);
868 crtc_wr_cio_state(crtc, regp, NV_CIO_CR_OFFSET_INDEX);
c1003d9c 869 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_42);
6ee73861
BS		 870
871 /* Update the framebuffer location. */
872 regp->fb_start = nv_crtc->fb.offset & ~3;
01f2c773 873 regp->fb_start += (y * drm_fb->pitches[0]) + (x * drm_fb->bits_per_pixel / 8);
5794b5fd 874 nv_set_crtc_base(dev, nv_crtc->index, regp->fb_start);
6ee73861
BS		 875
876 /* Update the arbitration parameters. */
877 nouveau_calc_arb(dev, crtc->mode.clock, drm_fb->bits_per_pixel,
878 &arb_burst, &arb_lwm);
879
880 regp->CRTC[NV_CIO_CRE_FF_INDEX] = arb_burst;
881 regp->CRTC[NV_CIO_CRE_FFLWM__INDEX] = arb_lwm & 0xff;
882 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_FF_INDEX);
883 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_FFLWM__INDEX);
884
967e7bde 885 if (drm->device.info.family >= NV_DEVICE_INFO_V0_KELVIN) {
6ee73861
BS		 886 regp->CRTC[NV_CIO_CRE_47] = arb_lwm >> 8;
887 crtc_wr_cio_state(crtc, regp, NV_CIO_CRE_47);
888 }
889
890 return 0;
891}
892
be64c2bb
CB		 893static int
894nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
895 struct drm_framebuffer *old_fb)
896{
78ae0ad4
BS		 897 int ret = nv_crtc_swap_fbs(crtc, old_fb);
898 if (ret)
899 return ret;
be64c2bb
CB		 900 return nv04_crtc_do_mode_set_base(crtc, old_fb, x, y, false);
901}
902
903static int
904nv04_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
905 struct drm_framebuffer *fb,
21c74a8e 906 int x, int y, enum mode_set_atomic state)
be64c2bb 907{
77145f1c
BS		 908 struct nouveau_drm *drm = nouveau_drm(crtc->dev);
909 struct drm_device *dev = drm->dev;
a424d761 910
21c74a8e 911 if (state == ENTER_ATOMIC_MODE_SET)
4b5098f3 912 nouveau_fbcon_accel_save_disable(dev);
a424d761 913 else
4b5098f3 914 nouveau_fbcon_accel_restore(dev);
a424d761 915
be64c2bb
CB		 916 return nv04_crtc_do_mode_set_base(crtc, fb, x, y, true);
917}
918
6ee73861
BS		 919static void nv04_cursor_upload(struct drm_device *dev, struct nouveau_bo *src,
920 struct nouveau_bo *dst)
921{
922 int width = nv_cursor_width(dev);
923 uint32_t pixel;
924 int i, j;
925
926 for (i = 0; i < width; i++) {
927 for (j = 0; j < width; j++) {
928 pixel = nouveau_bo_rd32(src, i*64 + j);
929
930 nouveau_bo_wr16(dst, i*width + j, (pixel & 0x80000000) >> 16
931 | (pixel & 0xf80000) >> 9
932 | (pixel & 0xf800) >> 6
933 | (pixel & 0xf8) >> 3);
934 }
935 }
936}
937
938static void nv11_cursor_upload(struct drm_device *dev, struct nouveau_bo *src,
939 struct nouveau_bo *dst)
940{
941 uint32_t pixel;
942 int alpha, i;
943
944 /* nv11+ supports premultiplied (PM), or non-premultiplied (NPM) alpha
945 * cursors (though NPM in combination with fp dithering may not work on
946 * nv11, from "nv" driver history)
947 * NPM mode needs NV_PCRTC_CURSOR_CONFIG_ALPHA_BLEND set and is what the
948 * blob uses, however we get given PM cursors so we use PM mode
949 */
950 for (i = 0; i < 64 * 64; i++) {
951 pixel = nouveau_bo_rd32(src, i);
952
953 /* hw gets unhappy if alpha <= rgb values. for a PM image "less
954 * than" shouldn't happen; fix "equal to" case by adding one to
955 * alpha channel (slightly inaccurate, but so is attempting to
956 * get back to NPM images, due to limits of integer precision)
957 */
958 alpha = pixel >> 24;
959 if (alpha > 0 && alpha < 255)
960 pixel = (pixel & 0x00ffffff) | ((alpha + 1) << 24);
961
962#ifdef __BIG_ENDIAN
963 {
77145f1c 964 struct nouveau_drm *drm = nouveau_drm(dev);
6ee73861 965
967e7bde 966 if (drm->device.info.chipset == 0x11) {
6ee73861
BS		 967 pixel = ((pixel & 0x000000ff) << 24) |
968 ((pixel & 0x0000ff00) << 8) |
969 ((pixel & 0x00ff0000) >> 8) |
970 ((pixel & 0xff000000) >> 24);
971 }
972 }
973#endif
974
975 nouveau_bo_wr32(dst, i, pixel);
976 }
977}
978
979static int
980nv04_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
981 uint32_t buffer_handle, uint32_t width, uint32_t height)
982{
77145f1c
BS		 983 struct nouveau_drm *drm = nouveau_drm(crtc->dev);
984 struct drm_device *dev = drm->dev;
6ee73861
BS		 985 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
986 struct nouveau_bo *cursor = NULL;
987 struct drm_gem_object *gem;
988 int ret = 0;
989
6ee73861
BS		 990 if (!buffer_handle) {
991 nv_crtc->cursor.hide(nv_crtc, true);
992 return 0;
993 }
994
b4fa9d0f
MS		 995 if (width != 64 || height != 64)
996 return -EINVAL;
997
6ee73861
BS		 998 gem = drm_gem_object_lookup(dev, file_priv, buffer_handle);
999 if (!gem)
bf79cb91 1000 return -ENOENT;
6ee73861
BS		 1001 cursor = nouveau_gem_object(gem);
1002
1003 ret = nouveau_bo_map(cursor);
1004 if (ret)
1005 goto out;
1006
967e7bde 1007 if (drm->device.info.chipset >= 0x11)
6ee73861
BS		 1008 nv11_cursor_upload(dev, cursor, nv_crtc->cursor.nvbo);
1009 else
1010 nv04_cursor_upload(dev, cursor, nv_crtc->cursor.nvbo);
1011
1012 nouveau_bo_unmap(cursor);
1013 nv_crtc->cursor.offset = nv_crtc->cursor.nvbo->bo.offset;
1014 nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset);
1015 nv_crtc->cursor.show(nv_crtc, true);
1016out:
bc9025bd 1017 drm_gem_object_unreference_unlocked(gem);
6ee73861
BS		 1018 return ret;
1019}
1020
1021static int
1022nv04_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
1023{
1024 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
1025
1026 nv_crtc->cursor.set_pos(nv_crtc, x, y);
1027 return 0;
1028}
1029
5addcf0a
DA		 1030int
1031nouveau_crtc_set_config(struct drm_mode_set *set)
1032{
1033 struct drm_device *dev;
1034 struct nouveau_drm *drm;
1035 int ret;
1036 struct drm_crtc *crtc;
1037 bool active = false;
1038 if (!set || !set->crtc)
1039 return -EINVAL;
1040
1041 dev = set->crtc->dev;
1042
1043 /* get a pm reference here */
1044 ret = pm_runtime_get_sync(dev->dev);
b6c4285a 1045 if (ret < 0 && ret != -EACCES)
5addcf0a
DA		 1046 return ret;
1047
1048 ret = drm_crtc_helper_set_config(set);
1049
1050 drm = nouveau_drm(dev);
1051
1052 /* if we get here with no crtcs active then we can drop a reference */
1053 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1054 if (crtc->enabled)
1055 active = true;
1056 }
1057
1058 pm_runtime_mark_last_busy(dev->dev);
1059 /* if we have active crtcs and we don't have a power ref,
1060 take the current one */
1061 if (active && !drm->have_disp_power_ref) {
1062 drm->have_disp_power_ref = true;
1063 return ret;
1064 }
1065 /* if we have no active crtcs, then drop the power ref
1066 we got before */
1067 if (!active && drm->have_disp_power_ref) {
1068 pm_runtime_put_autosuspend(dev->dev);
1069 drm->have_disp_power_ref = false;
1070 }
1071 /* drop the power reference we got coming in here */
1072 pm_runtime_put_autosuspend(dev->dev);
1073 return ret;
1074}
1075
6ee73861 1076static const struct drm_crtc_funcs nv04_crtc_funcs = {
6ee73861
BS		 1077 .cursor_set = nv04_crtc_cursor_set,
1078 .cursor_move = nv04_crtc_cursor_move,
1079 .gamma_set = nv_crtc_gamma_set,
5addcf0a 1080 .set_config = nouveau_crtc_set_config,
332b242f 1081 .page_flip = nouveau_crtc_page_flip,
6ee73861
BS		 1082 .destroy = nv_crtc_destroy,
1083};
1084
1085static const struct drm_crtc_helper_funcs nv04_crtc_helper_funcs = {
1086 .dpms = nv_crtc_dpms,
1087 .prepare = nv_crtc_prepare,
1088 .commit = nv_crtc_commit,
6ee73861
BS		 1089 .mode_set = nv_crtc_mode_set,
1090 .mode_set_base = nv04_crtc_mode_set_base,
be64c2bb 1091 .mode_set_base_atomic = nv04_crtc_mode_set_base_atomic,
6ee73861 1092 .load_lut = nv_crtc_gamma_load,
78ae0ad4 1093 .disable = nv_crtc_disable,
6ee73861
BS		 1094};
1095
1096int
1097nv04_crtc_create(struct drm_device *dev, int crtc_num)
1098{
1099 struct nouveau_crtc *nv_crtc;
1100 int ret, i;
1101
1102 nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL);
1103 if (!nv_crtc)
1104 return -ENOMEM;
1105
1106 for (i = 0; i < 256; i++) {
1107 nv_crtc->lut.r[i] = i << 8;
1108 nv_crtc->lut.g[i] = i << 8;
1109 nv_crtc->lut.b[i] = i << 8;
1110 }
1111 nv_crtc->lut.depth = 0;
1112
1113 nv_crtc->index = crtc_num;
1114 nv_crtc->last_dpms = NV_DPMS_CLEARED;
1115
2c3d7715
DV		 1116 nv_crtc->save = nv_crtc_save;
1117 nv_crtc->restore = nv_crtc_restore;
1118
6ee73861
BS		 1119 drm_crtc_init(dev, &nv_crtc->base, &nv04_crtc_funcs);
1120 drm_crtc_helper_add(&nv_crtc->base, &nv04_crtc_helper_funcs);
1121 drm_mode_crtc_set_gamma_size(&nv_crtc->base, 256);
1122
7375c95b 1123 ret = nouveau_bo_new(dev, 64*64*4, 0x100, TTM_PL_FLAG_VRAM,
bb6178b0 1124 0, 0x0000, NULL, NULL, &nv_crtc->cursor.nvbo);
6ee73861 1125 if (!ret) {
ad76b3f7 1126 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM, false);
04c8c210 1127 if (!ret) {
6ee73861 1128 ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
04c8c210
MS		 1129 if (ret)
1130 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
1131 }
6ee73861
BS		 1132 if (ret)
1133 nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
1134 }
1135
1136 nv04_cursor_init(nv_crtc);
1137
1138 return 0;
1139}
Linux 6.x block layer and io_uring tree(s)