xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c (revision d053cf0d771f6547cb0537759a9af63cf402908d)
1 /*
2  * Copyright 2013 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Ben Skeggs
23  */
24 #define gk104_ram(p) container_of((p), struct gk104_ram, base)
25 #include "ram.h"
26 #include "ramfuc.h"
27 
28 #include <core/option.h>
29 #include <subdev/bios.h>
30 #include <subdev/bios/init.h>
31 #include <subdev/bios/M0205.h>
32 #include <subdev/bios/M0209.h>
33 #include <subdev/bios/pll.h>
34 #include <subdev/bios/rammap.h>
35 #include <subdev/bios/timing.h>
36 #include <subdev/clk.h>
37 #include <subdev/clk/pll.h>
38 #include <subdev/gpio.h>
39 
40 struct gk104_ramfuc {
41 	struct ramfuc base;
42 
43 	struct nvbios_pll refpll;
44 	struct nvbios_pll mempll;
45 
46 	struct ramfuc_reg r_gpioMV;
47 	u32 r_funcMV[2];
48 	struct ramfuc_reg r_gpio2E;
49 	u32 r_func2E[2];
50 	struct ramfuc_reg r_gpiotrig;
51 
52 	struct ramfuc_reg r_0x132020;
53 	struct ramfuc_reg r_0x132028;
54 	struct ramfuc_reg r_0x132024;
55 	struct ramfuc_reg r_0x132030;
56 	struct ramfuc_reg r_0x132034;
57 	struct ramfuc_reg r_0x132000;
58 	struct ramfuc_reg r_0x132004;
59 	struct ramfuc_reg r_0x132040;
60 
61 	struct ramfuc_reg r_0x10f248;
62 	struct ramfuc_reg r_0x10f290;
63 	struct ramfuc_reg r_0x10f294;
64 	struct ramfuc_reg r_0x10f298;
65 	struct ramfuc_reg r_0x10f29c;
66 	struct ramfuc_reg r_0x10f2a0;
67 	struct ramfuc_reg r_0x10f2a4;
68 	struct ramfuc_reg r_0x10f2a8;
69 	struct ramfuc_reg r_0x10f2ac;
70 	struct ramfuc_reg r_0x10f2cc;
71 	struct ramfuc_reg r_0x10f2e8;
72 	struct ramfuc_reg r_0x10f250;
73 	struct ramfuc_reg r_0x10f24c;
74 	struct ramfuc_reg r_0x10fec4;
75 	struct ramfuc_reg r_0x10fec8;
76 	struct ramfuc_reg r_0x10f604;
77 	struct ramfuc_reg r_0x10f614;
78 	struct ramfuc_reg r_0x10f610;
79 	struct ramfuc_reg r_0x100770;
80 	struct ramfuc_reg r_0x100778;
81 	struct ramfuc_reg r_0x10f224;
82 
83 	struct ramfuc_reg r_0x10f870;
84 	struct ramfuc_reg r_0x10f698;
85 	struct ramfuc_reg r_0x10f694;
86 	struct ramfuc_reg r_0x10f6b8;
87 	struct ramfuc_reg r_0x10f808;
88 	struct ramfuc_reg r_0x10f670;
89 	struct ramfuc_reg r_0x10f60c;
90 	struct ramfuc_reg r_0x10f830;
91 	struct ramfuc_reg r_0x1373ec;
92 	struct ramfuc_reg r_0x10f800;
93 	struct ramfuc_reg r_0x10f82c;
94 
95 	struct ramfuc_reg r_0x10f978;
96 	struct ramfuc_reg r_0x10f910;
97 	struct ramfuc_reg r_0x10f914;
98 
99 	struct ramfuc_reg r_mr[16]; /* MR0 - MR8, MR15 */
100 
101 	struct ramfuc_reg r_0x62c000;
102 
103 	struct ramfuc_reg r_0x10f200;
104 
105 	struct ramfuc_reg r_0x10f210;
106 	struct ramfuc_reg r_0x10f310;
107 	struct ramfuc_reg r_0x10f314;
108 	struct ramfuc_reg r_0x10f318;
109 	struct ramfuc_reg r_0x10f090;
110 	struct ramfuc_reg r_0x10f69c;
111 	struct ramfuc_reg r_0x10f824;
112 	struct ramfuc_reg r_0x1373f0;
113 	struct ramfuc_reg r_0x1373f4;
114 	struct ramfuc_reg r_0x137320;
115 	struct ramfuc_reg r_0x10f65c;
116 	struct ramfuc_reg r_0x10f6bc;
117 	struct ramfuc_reg r_0x100710;
118 	struct ramfuc_reg r_0x100750;
119 };
120 
121 struct gk104_ram {
122 	struct nvkm_ram base;
123 	struct gk104_ramfuc fuc;
124 
125 	struct list_head cfg;
126 	u32 parts;
127 	u32 pmask;
128 	u32 pnuts;
129 
130 	struct nvbios_ramcfg diff;
131 	int from;
132 	int mode;
133 	int N1, fN1, M1, P1;
134 	int N2, M2, P2;
135 };
136 
137 /*******************************************************************************
138  * GDDR5
139  ******************************************************************************/
140 static void
141 gk104_ram_train(struct gk104_ramfuc *fuc, u32 mask, u32 data)
142 {
143 	struct gk104_ram *ram = container_of(fuc, typeof(*ram), fuc);
144 	u32 addr = 0x110974, i;
145 
146 	ram_mask(fuc, 0x10f910, mask, data);
147 	ram_mask(fuc, 0x10f914, mask, data);
148 
149 	for (i = 0; (data & 0x80000000) && i < ram->parts; addr += 0x1000, i++) {
150 		if (ram->pmask & (1 << i))
151 			continue;
152 		ram_wait(fuc, addr, 0x0000000f, 0x00000000, 500000);
153 	}
154 }
155 
156 static void
157 r1373f4_init(struct gk104_ramfuc *fuc)
158 {
159 	struct gk104_ram *ram = container_of(fuc, typeof(*ram), fuc);
160 	const u32 mcoef = ((--ram->P2 << 28) | (ram->N2 << 8) | ram->M2);
161 	const u32 rcoef = ((  ram->P1 << 16) | (ram->N1 << 8) | ram->M1);
162 	const u32 runk0 = ram->fN1 << 16;
163 	const u32 runk1 = ram->fN1;
164 
165 	if (ram->from == 2) {
166 		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00001100);
167 		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00000010);
168 	} else {
169 		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00010010);
170 	}
171 
172 	ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000000);
173 	ram_mask(fuc, 0x1373f4, 0x00000010, 0x00000000);
174 
175 	/* (re)program refpll, if required */
176 	if ((ram_rd32(fuc, 0x132024) & 0xffffffff) != rcoef ||
177 	    (ram_rd32(fuc, 0x132034) & 0x0000ffff) != runk1) {
178 		ram_mask(fuc, 0x132000, 0x00000001, 0x00000000);
179 		ram_mask(fuc, 0x132020, 0x00000001, 0x00000000);
180 		ram_wr32(fuc, 0x137320, 0x00000000);
181 		ram_mask(fuc, 0x132030, 0xffff0000, runk0);
182 		ram_mask(fuc, 0x132034, 0x0000ffff, runk1);
183 		ram_wr32(fuc, 0x132024, rcoef);
184 		ram_mask(fuc, 0x132028, 0x00080000, 0x00080000);
185 		ram_mask(fuc, 0x132020, 0x00000001, 0x00000001);
186 		ram_wait(fuc, 0x137390, 0x00020000, 0x00020000, 64000);
187 		ram_mask(fuc, 0x132028, 0x00080000, 0x00000000);
188 	}
189 
190 	/* (re)program mempll, if required */
191 	if (ram->mode == 2) {
192 		ram_mask(fuc, 0x1373f4, 0x00010000, 0x00000000);
193 		ram_mask(fuc, 0x132000, 0x80000000, 0x80000000);
194 		ram_mask(fuc, 0x132000, 0x00000001, 0x00000000);
195 		ram_mask(fuc, 0x132004, 0x103fffff, mcoef);
196 		ram_mask(fuc, 0x132000, 0x00000001, 0x00000001);
197 		ram_wait(fuc, 0x137390, 0x00000002, 0x00000002, 64000);
198 		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00001100);
199 	} else {
200 		ram_mask(fuc, 0x1373f4, 0x00000000, 0x00010100);
201 	}
202 
203 	ram_mask(fuc, 0x1373f4, 0x00000000, 0x00000010);
204 }
205 
206 static void
207 r1373f4_fini(struct gk104_ramfuc *fuc)
208 {
209 	struct gk104_ram *ram = container_of(fuc, typeof(*ram), fuc);
210 	struct nvkm_ram_data *next = ram->base.next;
211 	u8 v0 = next->bios.ramcfg_11_03_c0;
212 	u8 v1 = next->bios.ramcfg_11_03_30;
213 	u32 tmp;
214 
215 	tmp = ram_rd32(fuc, 0x1373ec) & ~0x00030000;
216 	ram_wr32(fuc, 0x1373ec, tmp | (v1 << 16));
217 	ram_mask(fuc, 0x1373f0, (~ram->mode & 3), 0x00000000);
218 	if (ram->mode == 2) {
219 		ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000002);
220 		ram_mask(fuc, 0x1373f4, 0x00001100, 0x00000000);
221 	} else {
222 		ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000001);
223 		ram_mask(fuc, 0x1373f4, 0x00010000, 0x00000000);
224 	}
225 	ram_mask(fuc, 0x10f800, 0x00000030, (v0 ^ v1) << 4);
226 }
227 
228 static void
229 gk104_ram_nuts(struct gk104_ram *ram, struct ramfuc_reg *reg,
230 	       u32 _mask, u32 _data, u32 _copy)
231 {
232 	struct nvkm_fb *fb = ram->base.fb;
233 	struct ramfuc *fuc = &ram->fuc.base;
234 	struct nvkm_device *device = fb->subdev.device;
235 	u32 addr = 0x110000 + (reg->addr & 0xfff);
236 	u32 mask = _mask | _copy;
237 	u32 data = (_data & _mask) | (reg->data & _copy);
238 	u32 i;
239 
240 	for (i = 0; i < 16; i++, addr += 0x1000) {
241 		if (ram->pnuts & (1 << i)) {
242 			u32 prev = nvkm_rd32(device, addr);
243 			u32 next = (prev & ~mask) | data;
244 			nvkm_memx_wr32(fuc->memx, addr, next);
245 		}
246 	}
247 }
248 #define ram_nuts(s,r,m,d,c)                                                    \
249 	gk104_ram_nuts((s), &(s)->fuc.r_##r, (m), (d), (c))
250 
251 static int
252 gk104_ram_calc_gddr5(struct gk104_ram *ram, u32 freq)
253 {
254 	struct gk104_ramfuc *fuc = &ram->fuc;
255 	struct nvkm_ram_data *next = ram->base.next;
256 	int vc = !next->bios.ramcfg_11_02_08;
257 	int mv = !next->bios.ramcfg_11_02_04;
258 	u32 mask, data;
259 
260 	ram_mask(fuc, 0x10f808, 0x40000000, 0x40000000);
261 	ram_block(fuc);
262 
263 	if (nvkm_device_engine(ram->base.fb->subdev.device, NVKM_ENGINE_DISP))
264 		ram_wr32(fuc, 0x62c000, 0x0f0f0000);
265 
266 	/* MR1: turn termination on early, for some reason.. */
267 	if ((ram->base.mr[1] & 0x03c) != 0x030) {
268 		ram_mask(fuc, mr[1], 0x03c, ram->base.mr[1] & 0x03c);
269 		ram_nuts(ram, mr[1], 0x03c, ram->base.mr1_nuts & 0x03c, 0x000);
270 	}
271 
272 	if (vc == 1 && ram_have(fuc, gpio2E)) {
273 		u32 temp  = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[1]);
274 		if (temp != ram_rd32(fuc, gpio2E)) {
275 			ram_wr32(fuc, gpiotrig, 1);
276 			ram_nsec(fuc, 20000);
277 		}
278 	}
279 
280 	ram_mask(fuc, 0x10f200, 0x00000800, 0x00000000);
281 
282 	gk104_ram_train(fuc, 0x01020000, 0x000c0000);
283 
284 	ram_wr32(fuc, 0x10f210, 0x00000000); /* REFRESH_AUTO = 0 */
285 	ram_nsec(fuc, 1000);
286 	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
287 	ram_nsec(fuc, 1000);
288 
289 	ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000);
290 	ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */
291 	ram_mask(fuc, 0x10f200, 0x80000000, 0x00000000);
292 	ram_wr32(fuc, 0x10f090, 0x00000061);
293 	ram_wr32(fuc, 0x10f090, 0xc000007f);
294 	ram_nsec(fuc, 1000);
295 
296 	ram_wr32(fuc, 0x10f698, 0x00000000);
297 	ram_wr32(fuc, 0x10f69c, 0x00000000);
298 
299 	/*XXX: there does appear to be some kind of condition here, simply
300 	 *     modifying these bits in the vbios from the default pl0
301 	 *     entries shows no change.  however, the data does appear to
302 	 *     be correct and may be required for the transition back
303 	 */
304 	mask = 0x800f07e0;
305 	data = 0x00030000;
306 	if (ram_rd32(fuc, 0x10f978) & 0x00800000)
307 		data |= 0x00040000;
308 
309 	if (1) {
310 		data |= 0x800807e0;
311 		switch (next->bios.ramcfg_11_03_c0) {
312 		case 3: data &= ~0x00000040; break;
313 		case 2: data &= ~0x00000100; break;
314 		case 1: data &= ~0x80000000; break;
315 		case 0: data &= ~0x00000400; break;
316 		}
317 
318 		switch (next->bios.ramcfg_11_03_30) {
319 		case 3: data &= ~0x00000020; break;
320 		case 2: data &= ~0x00000080; break;
321 		case 1: data &= ~0x00080000; break;
322 		case 0: data &= ~0x00000200; break;
323 		}
324 	}
325 
326 	if (next->bios.ramcfg_11_02_80)
327 		mask |= 0x03000000;
328 	if (next->bios.ramcfg_11_02_40)
329 		mask |= 0x00002000;
330 	if (next->bios.ramcfg_11_07_10)
331 		mask |= 0x00004000;
332 	if (next->bios.ramcfg_11_07_08)
333 		mask |= 0x00000003;
334 	else {
335 		mask |= 0x34000000;
336 		if (ram_rd32(fuc, 0x10f978) & 0x00800000)
337 			mask |= 0x40000000;
338 	}
339 	ram_mask(fuc, 0x10f824, mask, data);
340 
341 	ram_mask(fuc, 0x132040, 0x00010000, 0x00000000);
342 
343 	if (ram->from == 2 && ram->mode != 2) {
344 		ram_mask(fuc, 0x10f808, 0x00080000, 0x00000000);
345 		ram_mask(fuc, 0x10f200, 0x18008000, 0x00008000);
346 		ram_mask(fuc, 0x10f800, 0x00000000, 0x00000004);
347 		ram_mask(fuc, 0x10f830, 0x00008000, 0x01040010);
348 		ram_mask(fuc, 0x10f830, 0x01000000, 0x00000000);
349 		r1373f4_init(fuc);
350 		ram_mask(fuc, 0x1373f0, 0x00000002, 0x00000001);
351 		r1373f4_fini(fuc);
352 		ram_mask(fuc, 0x10f830, 0x00c00000, 0x00240001);
353 	} else
354 	if (ram->from != 2 && ram->mode != 2) {
355 		r1373f4_init(fuc);
356 		r1373f4_fini(fuc);
357 	}
358 
359 	if (ram_have(fuc, gpioMV)) {
360 		u32 temp  = ram_mask(fuc, gpioMV, 0x3000, fuc->r_funcMV[mv]);
361 		if (temp != ram_rd32(fuc, gpioMV)) {
362 			ram_wr32(fuc, gpiotrig, 1);
363 			ram_nsec(fuc, 64000);
364 		}
365 	}
366 
367 	if (next->bios.ramcfg_11_02_40 ||
368 	    next->bios.ramcfg_11_07_10) {
369 		ram_mask(fuc, 0x132040, 0x00010000, 0x00010000);
370 		ram_nsec(fuc, 20000);
371 	}
372 
373 	if (ram->from != 2 && ram->mode == 2) {
374 		if (0 /*XXX: Titan */)
375 			ram_mask(fuc, 0x10f200, 0x18000000, 0x18000000);
376 		ram_mask(fuc, 0x10f800, 0x00000004, 0x00000000);
377 		ram_mask(fuc, 0x1373f0, 0x00000000, 0x00000002);
378 		ram_mask(fuc, 0x10f830, 0x00800001, 0x00408010);
379 		r1373f4_init(fuc);
380 		r1373f4_fini(fuc);
381 		ram_mask(fuc, 0x10f808, 0x00000000, 0x00080000);
382 		ram_mask(fuc, 0x10f200, 0x00808000, 0x00800000);
383 	} else
384 	if (ram->from == 2 && ram->mode == 2) {
385 		ram_mask(fuc, 0x10f800, 0x00000004, 0x00000000);
386 		r1373f4_init(fuc);
387 		r1373f4_fini(fuc);
388 	}
389 
390 	if (ram->mode != 2) /*XXX*/ {
391 		if (next->bios.ramcfg_11_07_40)
392 			ram_mask(fuc, 0x10f670, 0x80000000, 0x80000000);
393 	}
394 
395 	ram_wr32(fuc, 0x10f65c, 0x00000011 * next->bios.rammap_11_11_0c);
396 	ram_wr32(fuc, 0x10f6b8, 0x01010101 * next->bios.ramcfg_11_09);
397 	ram_wr32(fuc, 0x10f6bc, 0x01010101 * next->bios.ramcfg_11_09);
398 
399 	if (!next->bios.ramcfg_11_07_08 && !next->bios.ramcfg_11_07_04) {
400 		ram_wr32(fuc, 0x10f698, 0x01010101 * next->bios.ramcfg_11_04);
401 		ram_wr32(fuc, 0x10f69c, 0x01010101 * next->bios.ramcfg_11_04);
402 	} else
403 	if (!next->bios.ramcfg_11_07_08) {
404 		ram_wr32(fuc, 0x10f698, 0x00000000);
405 		ram_wr32(fuc, 0x10f69c, 0x00000000);
406 	}
407 
408 	if (ram->mode != 2) {
409 		u32 data = 0x01000100 * next->bios.ramcfg_11_04;
410 		ram_nuke(fuc, 0x10f694);
411 		ram_mask(fuc, 0x10f694, 0xff00ff00, data);
412 	}
413 
414 	if (ram->mode == 2 && next->bios.ramcfg_11_08_10)
415 		data = 0x00000080;
416 	else
417 		data = 0x00000000;
418 	ram_mask(fuc, 0x10f60c, 0x00000080, data);
419 
420 	mask = 0x00070000;
421 	data = 0x00000000;
422 	if (!next->bios.ramcfg_11_02_80)
423 		data |= 0x03000000;
424 	if (!next->bios.ramcfg_11_02_40)
425 		data |= 0x00002000;
426 	if (!next->bios.ramcfg_11_07_10)
427 		data |= 0x00004000;
428 	if (!next->bios.ramcfg_11_07_08)
429 		data |= 0x00000003;
430 	else
431 		data |= 0x74000000;
432 	ram_mask(fuc, 0x10f824, mask, data);
433 
434 	if (next->bios.ramcfg_11_01_08)
435 		data = 0x00000000;
436 	else
437 		data = 0x00001000;
438 	ram_mask(fuc, 0x10f200, 0x00001000, data);
439 
440 	if (ram_rd32(fuc, 0x10f670) & 0x80000000) {
441 		ram_nsec(fuc, 10000);
442 		ram_mask(fuc, 0x10f670, 0x80000000, 0x00000000);
443 	}
444 
445 	if (next->bios.ramcfg_11_08_01)
446 		data = 0x00100000;
447 	else
448 		data = 0x00000000;
449 	ram_mask(fuc, 0x10f82c, 0x00100000, data);
450 
451 	data = 0x00000000;
452 	if (next->bios.ramcfg_11_08_08)
453 		data |= 0x00002000;
454 	if (next->bios.ramcfg_11_08_04)
455 		data |= 0x00001000;
456 	if (next->bios.ramcfg_11_08_02)
457 		data |= 0x00004000;
458 	ram_mask(fuc, 0x10f830, 0x00007000, data);
459 
460 	/* PFB timing */
461 	ram_mask(fuc, 0x10f248, 0xffffffff, next->bios.timing[10]);
462 	ram_mask(fuc, 0x10f290, 0xffffffff, next->bios.timing[0]);
463 	ram_mask(fuc, 0x10f294, 0xffffffff, next->bios.timing[1]);
464 	ram_mask(fuc, 0x10f298, 0xffffffff, next->bios.timing[2]);
465 	ram_mask(fuc, 0x10f29c, 0xffffffff, next->bios.timing[3]);
466 	ram_mask(fuc, 0x10f2a0, 0xffffffff, next->bios.timing[4]);
467 	ram_mask(fuc, 0x10f2a4, 0xffffffff, next->bios.timing[5]);
468 	ram_mask(fuc, 0x10f2a8, 0xffffffff, next->bios.timing[6]);
469 	ram_mask(fuc, 0x10f2ac, 0xffffffff, next->bios.timing[7]);
470 	ram_mask(fuc, 0x10f2cc, 0xffffffff, next->bios.timing[8]);
471 	ram_mask(fuc, 0x10f2e8, 0xffffffff, next->bios.timing[9]);
472 
473 	data = mask = 0x00000000;
474 	if (ram->diff.ramcfg_11_08_20) {
475 		if (next->bios.ramcfg_11_08_20)
476 			data |= 0x01000000;
477 		mask |= 0x01000000;
478 	}
479 	ram_mask(fuc, 0x10f200, mask, data);
480 
481 	data = mask = 0x00000000;
482 	if (ram->diff.ramcfg_11_02_03) {
483 		data |= next->bios.ramcfg_11_02_03 << 8;
484 		mask |= 0x00000300;
485 	}
486 	if (ram->diff.ramcfg_11_01_10) {
487 		if (next->bios.ramcfg_11_01_10)
488 			data |= 0x70000000;
489 		mask |= 0x70000000;
490 	}
491 	ram_mask(fuc, 0x10f604, mask, data);
492 
493 	data = mask = 0x00000000;
494 	if (ram->diff.timing_20_30_07) {
495 		data |= next->bios.timing_20_30_07 << 28;
496 		mask |= 0x70000000;
497 	}
498 	if (ram->diff.ramcfg_11_01_01) {
499 		if (next->bios.ramcfg_11_01_01)
500 			data |= 0x00000100;
501 		mask |= 0x00000100;
502 	}
503 	ram_mask(fuc, 0x10f614, mask, data);
504 
505 	data = mask = 0x00000000;
506 	if (ram->diff.timing_20_30_07) {
507 		data |= next->bios.timing_20_30_07 << 28;
508 		mask |= 0x70000000;
509 	}
510 	if (ram->diff.ramcfg_11_01_02) {
511 		if (next->bios.ramcfg_11_01_02)
512 			data |= 0x00000100;
513 		mask |= 0x00000100;
514 	}
515 	ram_mask(fuc, 0x10f610, mask, data);
516 
517 	mask = 0x33f00000;
518 	data = 0x00000000;
519 	if (!next->bios.ramcfg_11_01_04)
520 		data |= 0x20200000;
521 	if (!next->bios.ramcfg_11_07_80)
522 		data |= 0x12800000;
523 	/*XXX: see note above about there probably being some condition
524 	 *     for the 10f824 stuff that uses ramcfg 3...
525 	 */
526 	if (next->bios.ramcfg_11_03_f0) {
527 		if (next->bios.rammap_11_08_0c) {
528 			if (!next->bios.ramcfg_11_07_80)
529 				mask |= 0x00000020;
530 			else
531 				data |= 0x00000020;
532 			mask |= 0x00000004;
533 		}
534 	} else {
535 		mask |= 0x40000020;
536 		data |= 0x00000004;
537 	}
538 
539 	ram_mask(fuc, 0x10f808, mask, data);
540 
541 	ram_wr32(fuc, 0x10f870, 0x11111111 * next->bios.ramcfg_11_03_0f);
542 
543 	data = mask = 0x00000000;
544 	if (ram->diff.ramcfg_11_02_03) {
545 		data |= next->bios.ramcfg_11_02_03;
546 		mask |= 0x00000003;
547 	}
548 	if (ram->diff.ramcfg_11_01_10) {
549 		if (next->bios.ramcfg_11_01_10)
550 			data |= 0x00000004;
551 		mask |= 0x00000004;
552 	}
553 
554 	if ((ram_mask(fuc, 0x100770, mask, data) & mask & 4) != (data & 4)) {
555 		ram_mask(fuc, 0x100750, 0x00000008, 0x00000008);
556 		ram_wr32(fuc, 0x100710, 0x00000000);
557 		ram_wait(fuc, 0x100710, 0x80000000, 0x80000000, 200000);
558 	}
559 
560 	data = next->bios.timing_20_30_07 << 8;
561 	if (next->bios.ramcfg_11_01_01)
562 		data |= 0x80000000;
563 	ram_mask(fuc, 0x100778, 0x00000700, data);
564 
565 	ram_mask(fuc, 0x10f250, 0x000003f0, next->bios.timing_20_2c_003f << 4);
566 	data = (next->bios.timing[10] & 0x7f000000) >> 24;
567 	if (data < next->bios.timing_20_2c_1fc0)
568 		data = next->bios.timing_20_2c_1fc0;
569 	ram_mask(fuc, 0x10f24c, 0x7f000000, data << 24);
570 	ram_mask(fuc, 0x10f224, 0x001f0000, next->bios.timing_20_30_f8 << 16);
571 
572 	ram_mask(fuc, 0x10fec4, 0x041e0f07, next->bios.timing_20_31_0800 << 26 |
573 					    next->bios.timing_20_31_0780 << 17 |
574 					    next->bios.timing_20_31_0078 << 8 |
575 					    next->bios.timing_20_31_0007);
576 	ram_mask(fuc, 0x10fec8, 0x00000027, next->bios.timing_20_31_8000 << 5 |
577 					    next->bios.timing_20_31_7000);
578 
579 	ram_wr32(fuc, 0x10f090, 0x4000007e);
580 	ram_nsec(fuc, 2000);
581 	ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */
582 	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
583 	ram_wr32(fuc, 0x10f210, 0x80000000); /* REFRESH_AUTO = 1 */
584 
585 	if (next->bios.ramcfg_11_08_10 && (ram->mode == 2) /*XXX*/) {
586 		u32 temp = ram_mask(fuc, 0x10f294, 0xff000000, 0x24000000);
587 		gk104_ram_train(fuc, 0xbc0e0000, 0xa4010000); /*XXX*/
588 		ram_nsec(fuc, 1000);
589 		ram_wr32(fuc, 0x10f294, temp);
590 	}
591 
592 	ram_mask(fuc, mr[3], 0xfff, ram->base.mr[3]);
593 	ram_wr32(fuc, mr[0], ram->base.mr[0]);
594 	ram_mask(fuc, mr[8], 0xfff, ram->base.mr[8]);
595 	ram_nsec(fuc, 1000);
596 	ram_mask(fuc, mr[1], 0xfff, ram->base.mr[1]);
597 	ram_mask(fuc, mr[5], 0xfff, ram->base.mr[5] & ~0x004); /* LP3 later */
598 	ram_mask(fuc, mr[6], 0xfff, ram->base.mr[6]);
599 	ram_mask(fuc, mr[7], 0xfff, ram->base.mr[7]);
600 
601 	if (vc == 0 && ram_have(fuc, gpio2E)) {
602 		u32 temp  = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[0]);
603 		if (temp != ram_rd32(fuc, gpio2E)) {
604 			ram_wr32(fuc, gpiotrig, 1);
605 			ram_nsec(fuc, 20000);
606 		}
607 	}
608 
609 	ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000);
610 	ram_wr32(fuc, 0x10f318, 0x00000001); /* NOP? */
611 	ram_mask(fuc, 0x10f200, 0x80000000, 0x00000000);
612 	ram_nsec(fuc, 1000);
613 	ram_nuts(ram, 0x10f200, 0x18808800, 0x00000000, 0x18808800);
614 
615 	data  = ram_rd32(fuc, 0x10f978);
616 	data &= ~0x00046144;
617 	data |=  0x0000000b;
618 	if (!next->bios.ramcfg_11_07_08) {
619 		if (!next->bios.ramcfg_11_07_04)
620 			data |= 0x0000200c;
621 		else
622 			data |= 0x00000000;
623 	} else {
624 		data |= 0x00040044;
625 	}
626 	ram_wr32(fuc, 0x10f978, data);
627 
628 	if (ram->mode == 1) {
629 		data = ram_rd32(fuc, 0x10f830) | 0x00000001;
630 		ram_wr32(fuc, 0x10f830, data);
631 	}
632 
633 	if (!next->bios.ramcfg_11_07_08) {
634 		data = 0x88020000;
635 		if ( next->bios.ramcfg_11_07_04)
636 			data |= 0x10000000;
637 		if (!next->bios.rammap_11_08_10)
638 			data |= 0x00080000;
639 	} else {
640 		data = 0xa40e0000;
641 	}
642 	gk104_ram_train(fuc, 0xbc0f0000, data);
643 	if (1) /* XXX: not always? */
644 		ram_nsec(fuc, 1000);
645 
646 	if (ram->mode == 2) { /*XXX*/
647 		ram_mask(fuc, 0x10f800, 0x00000004, 0x00000004);
648 	}
649 
650 	/* LP3 */
651 	if (ram_mask(fuc, mr[5], 0x004, ram->base.mr[5]) != ram->base.mr[5])
652 		ram_nsec(fuc, 1000);
653 
654 	if (ram->mode != 2) {
655 		ram_mask(fuc, 0x10f830, 0x01000000, 0x01000000);
656 		ram_mask(fuc, 0x10f830, 0x01000000, 0x00000000);
657 	}
658 
659 	if (next->bios.ramcfg_11_07_02)
660 		gk104_ram_train(fuc, 0x80020000, 0x01000000);
661 
662 	ram_unblock(fuc);
663 
664 	if (nvkm_device_engine(ram->base.fb->subdev.device, NVKM_ENGINE_DISP))
665 		ram_wr32(fuc, 0x62c000, 0x0f0f0f00);
666 
667 	if (next->bios.rammap_11_08_01)
668 		data = 0x00000800;
669 	else
670 		data = 0x00000000;
671 	ram_mask(fuc, 0x10f200, 0x00000800, data);
672 	ram_nuts(ram, 0x10f200, 0x18808800, data, 0x18808800);
673 	return 0;
674 }
675 
676 /*******************************************************************************
677  * DDR3
678  ******************************************************************************/
679 
680 static void
681 nvkm_sddr3_dll_reset(struct gk104_ramfuc *fuc)
682 {
683 	ram_nuke(fuc, mr[0]);
684 	ram_mask(fuc, mr[0], 0x100, 0x100);
685 	ram_mask(fuc, mr[0], 0x100, 0x000);
686 }
687 
688 static void
689 nvkm_sddr3_dll_disable(struct gk104_ramfuc *fuc)
690 {
691 	u32 mr1_old = ram_rd32(fuc, mr[1]);
692 
693 	if (!(mr1_old & 0x1)) {
694 		ram_mask(fuc, mr[1], 0x1, 0x1);
695 		ram_nsec(fuc, 1000);
696 	}
697 }
698 
699 static int
700 gk104_ram_calc_sddr3(struct gk104_ram *ram, u32 freq)
701 {
702 	struct gk104_ramfuc *fuc = &ram->fuc;
703 	const u32 rcoef = ((  ram->P1 << 16) | (ram->N1 << 8) | ram->M1);
704 	const u32 runk0 = ram->fN1 << 16;
705 	const u32 runk1 = ram->fN1;
706 	struct nvkm_ram_data *next = ram->base.next;
707 	int vc = !next->bios.ramcfg_11_02_08;
708 	int mv = !next->bios.ramcfg_11_02_04;
709 	u32 mask, data;
710 
711 	ram_mask(fuc, 0x10f808, 0x40000000, 0x40000000);
712 	ram_block(fuc);
713 
714 	if (nvkm_device_engine(ram->base.fb->subdev.device, NVKM_ENGINE_DISP))
715 		ram_wr32(fuc, 0x62c000, 0x0f0f0000);
716 
717 	if (vc == 1 && ram_have(fuc, gpio2E)) {
718 		u32 temp  = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[1]);
719 		if (temp != ram_rd32(fuc, gpio2E)) {
720 			ram_wr32(fuc, gpiotrig, 1);
721 			ram_nsec(fuc, 20000);
722 		}
723 	}
724 
725 	ram_mask(fuc, 0x10f200, 0x00000800, 0x00000000);
726 	if (next->bios.ramcfg_11_03_f0)
727 		ram_mask(fuc, 0x10f808, 0x04000000, 0x04000000);
728 
729 	ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */
730 
731 	if (next->bios.ramcfg_DLLoff)
732 		nvkm_sddr3_dll_disable(fuc);
733 
734 	ram_wr32(fuc, 0x10f210, 0x00000000); /* REFRESH_AUTO = 0 */
735 	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
736 	ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000);
737 	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
738 	ram_mask(fuc, 0x10f200, 0x80000000, 0x00000000);
739 	ram_nsec(fuc, 1000);
740 
741 	ram_wr32(fuc, 0x10f090, 0x00000060);
742 	ram_wr32(fuc, 0x10f090, 0xc000007e);
743 
744 	/*XXX: there does appear to be some kind of condition here, simply
745 	 *     modifying these bits in the vbios from the default pl0
746 	 *     entries shows no change.  however, the data does appear to
747 	 *     be correct and may be required for the transition back
748 	 */
749 	mask = 0x00010000;
750 	data = 0x00010000;
751 
752 	if (1) {
753 		mask |= 0x800807e0;
754 		data |= 0x800807e0;
755 		switch (next->bios.ramcfg_11_03_c0) {
756 		case 3: data &= ~0x00000040; break;
757 		case 2: data &= ~0x00000100; break;
758 		case 1: data &= ~0x80000000; break;
759 		case 0: data &= ~0x00000400; break;
760 		}
761 
762 		switch (next->bios.ramcfg_11_03_30) {
763 		case 3: data &= ~0x00000020; break;
764 		case 2: data &= ~0x00000080; break;
765 		case 1: data &= ~0x00080000; break;
766 		case 0: data &= ~0x00000200; break;
767 		}
768 	}
769 
770 	if (next->bios.ramcfg_11_02_80)
771 		mask |= 0x03000000;
772 	if (next->bios.ramcfg_11_02_40)
773 		mask |= 0x00002000;
774 	if (next->bios.ramcfg_11_07_10)
775 		mask |= 0x00004000;
776 	if (next->bios.ramcfg_11_07_08)
777 		mask |= 0x00000003;
778 	else
779 		mask |= 0x14000000;
780 	ram_mask(fuc, 0x10f824, mask, data);
781 
782 	ram_mask(fuc, 0x132040, 0x00010000, 0x00000000);
783 
784 	ram_mask(fuc, 0x1373f4, 0x00000000, 0x00010010);
785 	data  = ram_rd32(fuc, 0x1373ec) & ~0x00030000;
786 	data |= next->bios.ramcfg_11_03_30 << 16;
787 	ram_wr32(fuc, 0x1373ec, data);
788 	ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000000);
789 	ram_mask(fuc, 0x1373f4, 0x00000010, 0x00000000);
790 
791 	/* (re)program refpll, if required */
792 	if ((ram_rd32(fuc, 0x132024) & 0xffffffff) != rcoef ||
793 	    (ram_rd32(fuc, 0x132034) & 0x0000ffff) != runk1) {
794 		ram_mask(fuc, 0x132000, 0x00000001, 0x00000000);
795 		ram_mask(fuc, 0x132020, 0x00000001, 0x00000000);
796 		ram_wr32(fuc, 0x137320, 0x00000000);
797 		ram_mask(fuc, 0x132030, 0xffff0000, runk0);
798 		ram_mask(fuc, 0x132034, 0x0000ffff, runk1);
799 		ram_wr32(fuc, 0x132024, rcoef);
800 		ram_mask(fuc, 0x132028, 0x00080000, 0x00080000);
801 		ram_mask(fuc, 0x132020, 0x00000001, 0x00000001);
802 		ram_wait(fuc, 0x137390, 0x00020000, 0x00020000, 64000);
803 		ram_mask(fuc, 0x132028, 0x00080000, 0x00000000);
804 	}
805 
806 	ram_mask(fuc, 0x1373f4, 0x00000010, 0x00000010);
807 	ram_mask(fuc, 0x1373f4, 0x00000003, 0x00000001);
808 	ram_mask(fuc, 0x1373f4, 0x00010000, 0x00000000);
809 
810 	if (ram_have(fuc, gpioMV)) {
811 		u32 temp  = ram_mask(fuc, gpioMV, 0x3000, fuc->r_funcMV[mv]);
812 		if (temp != ram_rd32(fuc, gpioMV)) {
813 			ram_wr32(fuc, gpiotrig, 1);
814 			ram_nsec(fuc, 64000);
815 		}
816 	}
817 
818 	if (next->bios.ramcfg_11_02_40 ||
819 	    next->bios.ramcfg_11_07_10) {
820 		ram_mask(fuc, 0x132040, 0x00010000, 0x00010000);
821 		ram_nsec(fuc, 20000);
822 	}
823 
824 	if (ram->mode != 2) /*XXX*/ {
825 		if (next->bios.ramcfg_11_07_40)
826 			ram_mask(fuc, 0x10f670, 0x80000000, 0x80000000);
827 	}
828 
829 	ram_wr32(fuc, 0x10f65c, 0x00000011 * next->bios.rammap_11_11_0c);
830 	ram_wr32(fuc, 0x10f6b8, 0x01010101 * next->bios.ramcfg_11_09);
831 	ram_wr32(fuc, 0x10f6bc, 0x01010101 * next->bios.ramcfg_11_09);
832 
833 	mask = 0x00010000;
834 	data = 0x00000000;
835 	if (!next->bios.ramcfg_11_02_80)
836 		data |= 0x03000000;
837 	if (!next->bios.ramcfg_11_02_40)
838 		data |= 0x00002000;
839 	if (!next->bios.ramcfg_11_07_10)
840 		data |= 0x00004000;
841 	if (!next->bios.ramcfg_11_07_08)
842 		data |= 0x00000003;
843 	else
844 		data |= 0x14000000;
845 	ram_mask(fuc, 0x10f824, mask, data);
846 	ram_nsec(fuc, 1000);
847 
848 	if (next->bios.ramcfg_11_08_01)
849 		data = 0x00100000;
850 	else
851 		data = 0x00000000;
852 	ram_mask(fuc, 0x10f82c, 0x00100000, data);
853 
854 	/* PFB timing */
855 	ram_mask(fuc, 0x10f248, 0xffffffff, next->bios.timing[10]);
856 	ram_mask(fuc, 0x10f290, 0xffffffff, next->bios.timing[0]);
857 	ram_mask(fuc, 0x10f294, 0xffffffff, next->bios.timing[1]);
858 	ram_mask(fuc, 0x10f298, 0xffffffff, next->bios.timing[2]);
859 	ram_mask(fuc, 0x10f29c, 0xffffffff, next->bios.timing[3]);
860 	ram_mask(fuc, 0x10f2a0, 0xffffffff, next->bios.timing[4]);
861 	ram_mask(fuc, 0x10f2a4, 0xffffffff, next->bios.timing[5]);
862 	ram_mask(fuc, 0x10f2a8, 0xffffffff, next->bios.timing[6]);
863 	ram_mask(fuc, 0x10f2ac, 0xffffffff, next->bios.timing[7]);
864 	ram_mask(fuc, 0x10f2cc, 0xffffffff, next->bios.timing[8]);
865 	ram_mask(fuc, 0x10f2e8, 0xffffffff, next->bios.timing[9]);
866 
867 	mask = 0x33f00000;
868 	data = 0x00000000;
869 	if (!next->bios.ramcfg_11_01_04)
870 		data |= 0x20200000;
871 	if (!next->bios.ramcfg_11_07_80)
872 		data |= 0x12800000;
873 	/*XXX: see note above about there probably being some condition
874 	 *     for the 10f824 stuff that uses ramcfg 3...
875 	 */
876 	if (next->bios.ramcfg_11_03_f0) {
877 		if (next->bios.rammap_11_08_0c) {
878 			if (!next->bios.ramcfg_11_07_80)
879 				mask |= 0x00000020;
880 			else
881 				data |= 0x00000020;
882 			mask |= 0x08000004;
883 		}
884 		data |= 0x04000000;
885 	} else {
886 		mask |= 0x44000020;
887 		data |= 0x08000004;
888 	}
889 
890 	ram_mask(fuc, 0x10f808, mask, data);
891 
892 	ram_wr32(fuc, 0x10f870, 0x11111111 * next->bios.ramcfg_11_03_0f);
893 
894 	ram_mask(fuc, 0x10f250, 0x000003f0, next->bios.timing_20_2c_003f << 4);
895 
896 	data = (next->bios.timing[10] & 0x7f000000) >> 24;
897 	if (data < next->bios.timing_20_2c_1fc0)
898 		data = next->bios.timing_20_2c_1fc0;
899 	ram_mask(fuc, 0x10f24c, 0x7f000000, data << 24);
900 
901 	ram_mask(fuc, 0x10f224, 0x001f0000, next->bios.timing_20_30_f8 << 16);
902 
903 	ram_wr32(fuc, 0x10f090, 0x4000007f);
904 	ram_nsec(fuc, 1000);
905 
906 	ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */
907 	ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */
908 	ram_wr32(fuc, 0x10f210, 0x80000000); /* REFRESH_AUTO = 1 */
909 	ram_nsec(fuc, 1000);
910 
911 	if (!next->bios.ramcfg_DLLoff) {
912 		ram_mask(fuc, mr[1], 0x1, 0x0);
913 		nvkm_sddr3_dll_reset(fuc);
914 	}
915 
916 	ram_mask(fuc, mr[2], 0x00000fff, ram->base.mr[2]);
917 	ram_mask(fuc, mr[1], 0xffffffff, ram->base.mr[1]);
918 	ram_wr32(fuc, mr[0], ram->base.mr[0]);
919 	ram_nsec(fuc, 1000);
920 
921 	if (!next->bios.ramcfg_DLLoff) {
922 		nvkm_sddr3_dll_reset(fuc);
923 		ram_nsec(fuc, 1000);
924 	}
925 
926 	if (vc == 0 && ram_have(fuc, gpio2E)) {
927 		u32 temp  = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[0]);
928 		if (temp != ram_rd32(fuc, gpio2E)) {
929 			ram_wr32(fuc, gpiotrig, 1);
930 			ram_nsec(fuc, 20000);
931 		}
932 	}
933 
934 	if (ram->mode != 2) {
935 		ram_mask(fuc, 0x10f830, 0x01000000, 0x01000000);
936 		ram_mask(fuc, 0x10f830, 0x01000000, 0x00000000);
937 	}
938 
939 	ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000);
940 	ram_wr32(fuc, 0x10f318, 0x00000001); /* NOP? */
941 	ram_mask(fuc, 0x10f200, 0x80000000, 0x00000000);
942 	ram_nsec(fuc, 1000);
943 
944 	ram_unblock(fuc);
945 
946 	if (nvkm_device_engine(ram->base.fb->subdev.device, NVKM_ENGINE_DISP))
947 		ram_wr32(fuc, 0x62c000, 0x0f0f0f00);
948 
949 	if (next->bios.rammap_11_08_01)
950 		data = 0x00000800;
951 	else
952 		data = 0x00000000;
953 	ram_mask(fuc, 0x10f200, 0x00000800, data);
954 	return 0;
955 }
956 
957 /*******************************************************************************
958  * main hooks
959  ******************************************************************************/
960 
961 static int
962 gk104_ram_calc_data(struct gk104_ram *ram, u32 khz, struct nvkm_ram_data *data)
963 {
964 	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
965 	struct nvkm_ram_data *cfg;
966 	u32 mhz = khz / 1000;
967 
968 	list_for_each_entry(cfg, &ram->cfg, head) {
969 		if (mhz >= cfg->bios.rammap_min &&
970 		    mhz <= cfg->bios.rammap_max) {
971 			*data = *cfg;
972 			data->freq = khz;
973 			return 0;
974 		}
975 	}
976 
977 	nvkm_error(subdev, "ramcfg data for %dMHz not found\n", mhz);
978 	return -EINVAL;
979 }
980 
981 static int
982 gk104_calc_pll_output(int fN, int M, int N, int P, int clk)
983 {
984 	return ((clk * N) + (((u16)(fN + 4096) * clk) >> 13)) / (M * P);
985 }
986 
987 static int
988 gk104_pll_calc_hiclk(int target_khz, int crystal,
989 		int *N1, int *fN1, int *M1, int *P1,
990 		int *N2, int *M2, int *P2)
991 {
992 	int best_err = target_khz, p_ref, n_ref;
993 	bool upper = false;
994 
995 	*M1 = 1;
996 	/* M has to be 1, otherwise it gets unstable */
997 	*M2 = 1;
998 	/* can be 1 or 2, sticking with 1 for simplicity */
999 	*P2 = 1;
1000 
1001 	for (p_ref = 0x7; p_ref >= 0x5; --p_ref) {
1002 		for (n_ref = 0x25; n_ref <= 0x2b; ++n_ref) {
1003 			int cur_N, cur_clk, cur_err;
1004 
1005 			cur_clk = gk104_calc_pll_output(0, 1, n_ref, p_ref, crystal);
1006 			cur_N = target_khz / cur_clk;
1007 			cur_err = target_khz
1008 				- gk104_calc_pll_output(0xf000, 1, cur_N, 1, cur_clk);
1009 
1010 			/* we found a better combination */
1011 			if (cur_err < best_err) {
1012 				best_err = cur_err;
1013 				*N2 = cur_N;
1014 				*N1 = n_ref;
1015 				*P1 = p_ref;
1016 				upper = false;
1017 			}
1018 
1019 			cur_N += 1;
1020 			cur_err = gk104_calc_pll_output(0xf000, 1, cur_N, 1, cur_clk)
1021 				- target_khz;
1022 			if (cur_err < best_err) {
1023 				best_err = cur_err;
1024 				*N2 = cur_N;
1025 				*N1 = n_ref;
1026 				*P1 = p_ref;
1027 				upper = true;
1028 			}
1029 		}
1030 	}
1031 
1032 	/* adjust fN to get closer to the target clock */
1033 	*fN1 = (u16)((((best_err / *N2 * *P2) * (*P1 * *M1)) << 13) / crystal);
1034 	if (upper)
1035 		*fN1 = (u16)(1 - *fN1);
1036 
1037 	return gk104_calc_pll_output(*fN1, 1, *N1, *P1, crystal);
1038 }
1039 
1040 static int
1041 gk104_ram_calc_xits(struct gk104_ram *ram, struct nvkm_ram_data *next)
1042 {
1043 	struct gk104_ramfuc *fuc = &ram->fuc;
1044 	struct nvkm_subdev *subdev = &ram->base.fb->subdev;
1045 	int refclk, i;
1046 	int ret;
1047 
1048 	ret = ram_init(fuc, ram->base.fb);
1049 	if (ret)
1050 		return ret;
1051 
1052 	ram->mode = (next->freq > fuc->refpll.vco1.max_freq) ? 2 : 1;
1053 	ram->from = ram_rd32(fuc, 0x1373f4) & 0x0000000f;
1054 
1055 	/* XXX: this is *not* what nvidia do.  on fermi nvidia generally
1056 	 * select, based on some unknown condition, one of the two possible
1057 	 * reference frequencies listed in the vbios table for mempll and
1058 	 * program refpll to that frequency.
1059 	 *
1060 	 * so far, i've seen very weird values being chosen by nvidia on
1061 	 * kepler boards, no idea how/why they're chosen.
1062 	 */
1063 	refclk = next->freq;
1064 	if (ram->mode == 2) {
1065 		ret = gk104_pll_calc_hiclk(next->freq, subdev->device->crystal,
1066 				&ram->N1, &ram->fN1, &ram->M1, &ram->P1,
1067 				&ram->N2, &ram->M2, &ram->P2);
1068 		fuc->mempll.refclk = ret;
1069 		if (ret <= 0) {
1070 			nvkm_error(subdev, "unable to calc plls\n");
1071 			return -EINVAL;
1072 		}
1073 		nvkm_debug(subdev, "successfully calced PLLs for clock %i kHz"
1074 				" (refclock: %i kHz)\n", next->freq, ret);
1075 	} else {
1076 		/* calculate refpll coefficients */
1077 		ret = gt215_pll_calc(subdev, &fuc->refpll, refclk, &ram->N1,
1078 				     &ram->fN1, &ram->M1, &ram->P1);
1079 		fuc->mempll.refclk = ret;
1080 		if (ret <= 0) {
1081 			nvkm_error(subdev, "unable to calc refpll\n");
1082 			return -EINVAL;
1083 		}
1084 	}
1085 
1086 	for (i = 0; i < ARRAY_SIZE(fuc->r_mr); i++) {
1087 		if (ram_have(fuc, mr[i]))
1088 			ram->base.mr[i] = ram_rd32(fuc, mr[i]);
1089 	}
1090 	ram->base.freq = next->freq;
1091 
1092 	switch (ram->base.type) {
1093 	case NVKM_RAM_TYPE_DDR3:
1094 		ret = nvkm_sddr3_calc(&ram->base);
1095 		if (ret == 0)
1096 			ret = gk104_ram_calc_sddr3(ram, next->freq);
1097 		break;
1098 	case NVKM_RAM_TYPE_GDDR5:
1099 		ret = nvkm_gddr5_calc(&ram->base, ram->pnuts != 0);
1100 		if (ret == 0)
1101 			ret = gk104_ram_calc_gddr5(ram, next->freq);
1102 		break;
1103 	default:
1104 		ret = -ENOSYS;
1105 		break;
1106 	}
1107 
1108 	return ret;
1109 }
1110 
1111 int
1112 gk104_ram_calc(struct nvkm_ram *base, u32 freq)
1113 {
1114 	struct gk104_ram *ram = gk104_ram(base);
1115 	struct nvkm_clk *clk = ram->base.fb->subdev.device->clk;
1116 	struct nvkm_ram_data *xits = &ram->base.xition;
1117 	struct nvkm_ram_data *copy;
1118 	int ret;
1119 
1120 	if (ram->base.next == NULL) {
1121 		ret = gk104_ram_calc_data(ram,
1122 					  nvkm_clk_read(clk, nv_clk_src_mem),
1123 					  &ram->base.former);
1124 		if (ret)
1125 			return ret;
1126 
1127 		ret = gk104_ram_calc_data(ram, freq, &ram->base.target);
1128 		if (ret)
1129 			return ret;
1130 
1131 		if (ram->base.target.freq < ram->base.former.freq) {
1132 			*xits = ram->base.target;
1133 			copy = &ram->base.former;
1134 		} else {
1135 			*xits = ram->base.former;
1136 			copy = &ram->base.target;
1137 		}
1138 
1139 		xits->bios.ramcfg_11_02_04 = copy->bios.ramcfg_11_02_04;
1140 		xits->bios.ramcfg_11_02_03 = copy->bios.ramcfg_11_02_03;
1141 		xits->bios.timing_20_30_07 = copy->bios.timing_20_30_07;
1142 
1143 		ram->base.next = &ram->base.target;
1144 		if (memcmp(xits, &ram->base.former, sizeof(xits->bios)))
1145 			ram->base.next = &ram->base.xition;
1146 	} else {
1147 		BUG_ON(ram->base.next != &ram->base.xition);
1148 		ram->base.next = &ram->base.target;
1149 	}
1150 
1151 	return gk104_ram_calc_xits(ram, ram->base.next);
1152 }
1153 
1154 static void
1155 gk104_ram_prog_0(struct gk104_ram *ram, u32 freq)
1156 {
1157 	struct nvkm_device *device = ram->base.fb->subdev.device;
1158 	struct nvkm_ram_data *cfg;
1159 	u32 mhz = freq / 1000;
1160 	u32 mask, data;
1161 
1162 	list_for_each_entry(cfg, &ram->cfg, head) {
1163 		if (mhz >= cfg->bios.rammap_min &&
1164 		    mhz <= cfg->bios.rammap_max)
1165 			break;
1166 	}
1167 
1168 	if (&cfg->head == &ram->cfg)
1169 		return;
1170 
1171 	if (mask = 0, data = 0, ram->diff.rammap_11_0a_03fe) {
1172 		data |= cfg->bios.rammap_11_0a_03fe << 12;
1173 		mask |= 0x001ff000;
1174 	}
1175 	if (ram->diff.rammap_11_09_01ff) {
1176 		data |= cfg->bios.rammap_11_09_01ff;
1177 		mask |= 0x000001ff;
1178 	}
1179 	nvkm_mask(device, 0x10f468, mask, data);
1180 
1181 	if (mask = 0, data = 0, ram->diff.rammap_11_0a_0400) {
1182 		data |= cfg->bios.rammap_11_0a_0400;
1183 		mask |= 0x00000001;
1184 	}
1185 	nvkm_mask(device, 0x10f420, mask, data);
1186 
1187 	if (mask = 0, data = 0, ram->diff.rammap_11_0a_0800) {
1188 		data |= cfg->bios.rammap_11_0a_0800;
1189 		mask |= 0x00000001;
1190 	}
1191 	nvkm_mask(device, 0x10f430, mask, data);
1192 
1193 	if (mask = 0, data = 0, ram->diff.rammap_11_0b_01f0) {
1194 		data |= cfg->bios.rammap_11_0b_01f0;
1195 		mask |= 0x0000001f;
1196 	}
1197 	nvkm_mask(device, 0x10f400, mask, data);
1198 
1199 	if (mask = 0, data = 0, ram->diff.rammap_11_0b_0200) {
1200 		data |= cfg->bios.rammap_11_0b_0200 << 9;
1201 		mask |= 0x00000200;
1202 	}
1203 	nvkm_mask(device, 0x10f410, mask, data);
1204 
1205 	if (mask = 0, data = 0, ram->diff.rammap_11_0d) {
1206 		data |= cfg->bios.rammap_11_0d << 16;
1207 		mask |= 0x00ff0000;
1208 	}
1209 	if (ram->diff.rammap_11_0f) {
1210 		data |= cfg->bios.rammap_11_0f << 8;
1211 		mask |= 0x0000ff00;
1212 	}
1213 	nvkm_mask(device, 0x10f440, mask, data);
1214 
1215 	if (mask = 0, data = 0, ram->diff.rammap_11_0e) {
1216 		data |= cfg->bios.rammap_11_0e << 8;
1217 		mask |= 0x0000ff00;
1218 	}
1219 	if (ram->diff.rammap_11_0b_0800) {
1220 		data |= cfg->bios.rammap_11_0b_0800 << 7;
1221 		mask |= 0x00000080;
1222 	}
1223 	if (ram->diff.rammap_11_0b_0400) {
1224 		data |= cfg->bios.rammap_11_0b_0400 << 5;
1225 		mask |= 0x00000020;
1226 	}
1227 	nvkm_mask(device, 0x10f444, mask, data);
1228 }
1229 
1230 int
1231 gk104_ram_prog(struct nvkm_ram *base)
1232 {
1233 	struct gk104_ram *ram = gk104_ram(base);
1234 	struct gk104_ramfuc *fuc = &ram->fuc;
1235 	struct nvkm_device *device = ram->base.fb->subdev.device;
1236 	struct nvkm_ram_data *next = ram->base.next;
1237 
1238 	if (!nvkm_boolopt(device->cfgopt, "NvMemExec", true)) {
1239 		ram_exec(fuc, false);
1240 		return (ram->base.next == &ram->base.xition);
1241 	}
1242 
1243 	gk104_ram_prog_0(ram, 1000);
1244 	ram_exec(fuc, true);
1245 	gk104_ram_prog_0(ram, next->freq);
1246 
1247 	return (ram->base.next == &ram->base.xition);
1248 }
1249 
1250 void
1251 gk104_ram_tidy(struct nvkm_ram *base)
1252 {
1253 	struct gk104_ram *ram = gk104_ram(base);
1254 	ram->base.next = NULL;
1255 	ram_exec(&ram->fuc, false);
1256 }
1257 
1258 struct gk104_ram_train {
1259 	u16 mask;
1260 	struct nvbios_M0209S remap;
1261 	struct nvbios_M0209S type00;
1262 	struct nvbios_M0209S type01;
1263 	struct nvbios_M0209S type04;
1264 	struct nvbios_M0209S type06;
1265 	struct nvbios_M0209S type07;
1266 	struct nvbios_M0209S type08;
1267 	struct nvbios_M0209S type09;
1268 };
1269 
1270 static int
1271 gk104_ram_train_type(struct nvkm_ram *ram, int i, u8 ramcfg,
1272 		     struct gk104_ram_train *train)
1273 {
1274 	struct nvkm_bios *bios = ram->fb->subdev.device->bios;
1275 	struct nvbios_M0205E M0205E;
1276 	struct nvbios_M0205S M0205S;
1277 	struct nvbios_M0209E M0209E;
1278 	struct nvbios_M0209S *remap = &train->remap;
1279 	struct nvbios_M0209S *value;
1280 	u8  ver, hdr, cnt, len;
1281 	u32 data;
1282 
1283 	/* determine type of data for this index */
1284 	if (!(data = nvbios_M0205Ep(bios, i, &ver, &hdr, &cnt, &len, &M0205E)))
1285 		return -ENOENT;
1286 
1287 	switch (M0205E.type) {
1288 	case 0x00: value = &train->type00; break;
1289 	case 0x01: value = &train->type01; break;
1290 	case 0x04: value = &train->type04; break;
1291 	case 0x06: value = &train->type06; break;
1292 	case 0x07: value = &train->type07; break;
1293 	case 0x08: value = &train->type08; break;
1294 	case 0x09: value = &train->type09; break;
1295 	default:
1296 		return 0;
1297 	}
1298 
1299 	/* training data index determined by ramcfg strap */
1300 	if (!(data = nvbios_M0205Sp(bios, i, ramcfg, &ver, &hdr, &M0205S)))
1301 		return -EINVAL;
1302 	i = M0205S.data;
1303 
1304 	/* training data format information */
1305 	if (!(data = nvbios_M0209Ep(bios, i, &ver, &hdr, &cnt, &len, &M0209E)))
1306 		return -EINVAL;
1307 
1308 	/* ... and the raw data */
1309 	if (!(data = nvbios_M0209Sp(bios, i, 0, &ver, &hdr, value)))
1310 		return -EINVAL;
1311 
1312 	if (M0209E.v02_07 == 2) {
1313 		/* of course! why wouldn't we have a pointer to another entry
1314 		 * in the same table, and use the first one as an array of
1315 		 * remap indices...
1316 		 */
1317 		if (!(data = nvbios_M0209Sp(bios, M0209E.v03, 0, &ver, &hdr,
1318 					    remap)))
1319 			return -EINVAL;
1320 
1321 		for (i = 0; i < ARRAY_SIZE(value->data); i++)
1322 			value->data[i] = remap->data[value->data[i]];
1323 	} else
1324 	if (M0209E.v02_07 != 1)
1325 		return -EINVAL;
1326 
1327 	train->mask |= 1 << M0205E.type;
1328 	return 0;
1329 }
1330 
1331 static int
1332 gk104_ram_train_init_0(struct nvkm_ram *ram, struct gk104_ram_train *train)
1333 {
1334 	struct nvkm_subdev *subdev = &ram->fb->subdev;
1335 	struct nvkm_device *device = subdev->device;
1336 	int i, j;
1337 
1338 	if ((train->mask & 0x03d3) != 0x03d3) {
1339 		nvkm_warn(subdev, "missing link training data\n");
1340 		return -EINVAL;
1341 	}
1342 
1343 	for (i = 0; i < 0x30; i++) {
1344 		for (j = 0; j < 8; j += 4) {
1345 			nvkm_wr32(device, 0x10f968 + j, 0x00000000 | (i << 8));
1346 			nvkm_wr32(device, 0x10f920 + j, 0x00000000 |
1347 						   train->type08.data[i] << 4 |
1348 						   train->type06.data[i]);
1349 			nvkm_wr32(device, 0x10f918 + j, train->type00.data[i]);
1350 			nvkm_wr32(device, 0x10f920 + j, 0x00000100 |
1351 						   train->type09.data[i] << 4 |
1352 						   train->type07.data[i]);
1353 			nvkm_wr32(device, 0x10f918 + j, train->type01.data[i]);
1354 		}
1355 	}
1356 
1357 	for (j = 0; j < 8; j += 4) {
1358 		for (i = 0; i < 0x100; i++) {
1359 			nvkm_wr32(device, 0x10f968 + j, i);
1360 			nvkm_wr32(device, 0x10f900 + j, train->type04.data[i]);
1361 		}
1362 	}
1363 
1364 	return 0;
1365 }
1366 
1367 static int
1368 gk104_ram_train_init(struct nvkm_ram *ram)
1369 {
1370 	u8 ramcfg = nvbios_ramcfg_index(&ram->fb->subdev);
1371 	struct gk104_ram_train *train;
1372 	int ret, i;
1373 
1374 	if (!(train = kzalloc(sizeof(*train), GFP_KERNEL)))
1375 		return -ENOMEM;
1376 
1377 	for (i = 0; i < 0x100; i++) {
1378 		ret = gk104_ram_train_type(ram, i, ramcfg, train);
1379 		if (ret && ret != -ENOENT)
1380 			break;
1381 	}
1382 
1383 	switch (ram->type) {
1384 	case NVKM_RAM_TYPE_GDDR5:
1385 		ret = gk104_ram_train_init_0(ram, train);
1386 		break;
1387 	default:
1388 		ret = 0;
1389 		break;
1390 	}
1391 
1392 	kfree(train);
1393 	return ret;
1394 }
1395 
1396 int
1397 gk104_ram_init(struct nvkm_ram *ram)
1398 {
1399 	struct nvkm_subdev *subdev = &ram->fb->subdev;
1400 	struct nvkm_device *device = subdev->device;
1401 	struct nvkm_bios *bios = device->bios;
1402 	u8  ver, hdr, cnt, len, snr, ssz;
1403 	u32 data, save;
1404 	int i;
1405 
1406 	/* run a bunch of tables from rammap table.  there's actually
1407 	 * individual pointers for each rammap entry too, but, nvidia
1408 	 * seem to just run the last two entries' scripts early on in
1409 	 * their init, and never again.. we'll just run 'em all once
1410 	 * for now.
1411 	 *
1412 	 * i strongly suspect that each script is for a separate mode
1413 	 * (likely selected by 0x10f65c's lower bits?), and the
1414 	 * binary driver skips the one that's already been setup by
1415 	 * the init tables.
1416 	 */
1417 	data = nvbios_rammapTe(bios, &ver, &hdr, &cnt, &len, &snr, &ssz);
1418 	if (!data || hdr < 0x15)
1419 		return -EINVAL;
1420 
1421 	cnt  = nvbios_rd08(bios, data + 0x14); /* guess at count */
1422 	data = nvbios_rd32(bios, data + 0x10); /* guess u32... */
1423 	save = nvkm_rd32(device, 0x10f65c) & 0x000000f0;
1424 	for (i = 0; i < cnt; i++, data += 4) {
1425 		if (i != save >> 4) {
1426 			nvkm_mask(device, 0x10f65c, 0x000000f0, i << 4);
1427 			nvbios_init(subdev, nvbios_rd32(bios, data));
1428 		}
1429 	}
1430 	nvkm_mask(device, 0x10f65c, 0x000000f0, save);
1431 	nvkm_mask(device, 0x10f584, 0x11000000, 0x00000000);
1432 	nvkm_wr32(device, 0x10ecc0, 0xffffffff);
1433 	nvkm_mask(device, 0x10f160, 0x00000010, 0x00000010);
1434 
1435 	return gk104_ram_train_init(ram);
1436 }
1437 
1438 static int
1439 gk104_ram_ctor_data(struct gk104_ram *ram, u8 ramcfg, int i)
1440 {
1441 	struct nvkm_bios *bios = ram->base.fb->subdev.device->bios;
1442 	struct nvkm_ram_data *cfg;
1443 	struct nvbios_ramcfg *d = &ram->diff;
1444 	struct nvbios_ramcfg *p, *n;
1445 	u8  ver, hdr, cnt, len;
1446 	u32 data;
1447 	int ret;
1448 
1449 	if (!(cfg = kmalloc(sizeof(*cfg), GFP_KERNEL)))
1450 		return -ENOMEM;
1451 	p = &list_last_entry(&ram->cfg, typeof(*cfg), head)->bios;
1452 	n = &cfg->bios;
1453 
1454 	/* memory config data for a range of target frequencies */
1455 	data = nvbios_rammapEp(bios, i, &ver, &hdr, &cnt, &len, &cfg->bios);
1456 	if (ret = -ENOENT, !data)
1457 		goto done;
1458 	if (ret = -ENOSYS, ver != 0x11 || hdr < 0x12)
1459 		goto done;
1460 
1461 	/* ... and a portion specific to the attached memory */
1462 	data = nvbios_rammapSp(bios, data, ver, hdr, cnt, len, ramcfg,
1463 			       &ver, &hdr, &cfg->bios);
1464 	if (ret = -EINVAL, !data)
1465 		goto done;
1466 	if (ret = -ENOSYS, ver != 0x11 || hdr < 0x0a)
1467 		goto done;
1468 
1469 	/* lookup memory timings, if bios says they're present */
1470 	if (cfg->bios.ramcfg_timing != 0xff) {
1471 		data = nvbios_timingEp(bios, cfg->bios.ramcfg_timing,
1472 				       &ver, &hdr, &cnt, &len,
1473 				       &cfg->bios);
1474 		if (ret = -EINVAL, !data)
1475 			goto done;
1476 		if (ret = -ENOSYS, ver != 0x20 || hdr < 0x33)
1477 			goto done;
1478 	}
1479 
1480 	list_add_tail(&cfg->head, &ram->cfg);
1481 	if (ret = 0, i == 0)
1482 		goto done;
1483 
1484 	d->rammap_11_0a_03fe |= p->rammap_11_0a_03fe != n->rammap_11_0a_03fe;
1485 	d->rammap_11_09_01ff |= p->rammap_11_09_01ff != n->rammap_11_09_01ff;
1486 	d->rammap_11_0a_0400 |= p->rammap_11_0a_0400 != n->rammap_11_0a_0400;
1487 	d->rammap_11_0a_0800 |= p->rammap_11_0a_0800 != n->rammap_11_0a_0800;
1488 	d->rammap_11_0b_01f0 |= p->rammap_11_0b_01f0 != n->rammap_11_0b_01f0;
1489 	d->rammap_11_0b_0200 |= p->rammap_11_0b_0200 != n->rammap_11_0b_0200;
1490 	d->rammap_11_0d |= p->rammap_11_0d != n->rammap_11_0d;
1491 	d->rammap_11_0f |= p->rammap_11_0f != n->rammap_11_0f;
1492 	d->rammap_11_0e |= p->rammap_11_0e != n->rammap_11_0e;
1493 	d->rammap_11_0b_0800 |= p->rammap_11_0b_0800 != n->rammap_11_0b_0800;
1494 	d->rammap_11_0b_0400 |= p->rammap_11_0b_0400 != n->rammap_11_0b_0400;
1495 	d->ramcfg_11_01_01 |= p->ramcfg_11_01_01 != n->ramcfg_11_01_01;
1496 	d->ramcfg_11_01_02 |= p->ramcfg_11_01_02 != n->ramcfg_11_01_02;
1497 	d->ramcfg_11_01_10 |= p->ramcfg_11_01_10 != n->ramcfg_11_01_10;
1498 	d->ramcfg_11_02_03 |= p->ramcfg_11_02_03 != n->ramcfg_11_02_03;
1499 	d->ramcfg_11_08_20 |= p->ramcfg_11_08_20 != n->ramcfg_11_08_20;
1500 	d->timing_20_30_07 |= p->timing_20_30_07 != n->timing_20_30_07;
1501 done:
1502 	if (ret)
1503 		kfree(cfg);
1504 	return ret;
1505 }
1506 
1507 void *
1508 gk104_ram_dtor(struct nvkm_ram *base)
1509 {
1510 	struct gk104_ram *ram = gk104_ram(base);
1511 	struct nvkm_ram_data *cfg, *tmp;
1512 
1513 	list_for_each_entry_safe(cfg, tmp, &ram->cfg, head) {
1514 		kfree(cfg);
1515 	}
1516 
1517 	return ram;
1518 }
1519 
1520 int
1521 gk104_ram_new_(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
1522 	       struct nvkm_ram **pram)
1523 {
1524 	struct nvkm_subdev *subdev = &fb->subdev;
1525 	struct nvkm_device *device = subdev->device;
1526 	struct nvkm_bios *bios = device->bios;
1527 	struct dcb_gpio_func gpio;
1528 	struct gk104_ram *ram;
1529 	int ret, i;
1530 	u8  ramcfg = nvbios_ramcfg_index(subdev);
1531 	u32 tmp;
1532 
1533 	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
1534 		return -ENOMEM;
1535 	*pram = &ram->base;
1536 
1537 	ret = gf100_ram_ctor(func, fb, &ram->base);
1538 	if (ret)
1539 		return ret;
1540 
1541 	INIT_LIST_HEAD(&ram->cfg);
1542 
1543 	/* calculate a mask of differently configured memory partitions,
1544 	 * because, of course reclocking wasn't complicated enough
1545 	 * already without having to treat some of them differently to
1546 	 * the others....
1547 	 */
1548 	ram->parts = nvkm_rd32(device, 0x022438);
1549 	ram->pmask = nvkm_rd32(device, 0x022554);
1550 	ram->pnuts = 0;
1551 	for (i = 0, tmp = 0; i < ram->parts; i++) {
1552 		if (!(ram->pmask & (1 << i))) {
1553 			u32 cfg1 = nvkm_rd32(device, 0x110204 + (i * 0x1000));
1554 			if (tmp && tmp != cfg1) {
1555 				ram->pnuts |= (1 << i);
1556 				continue;
1557 			}
1558 			tmp = cfg1;
1559 		}
1560 	}
1561 
1562 	/* parse bios data for all rammap table entries up-front, and
1563 	 * build information on whether certain fields differ between
1564 	 * any of the entries.
1565 	 *
1566 	 * the binary driver appears to completely ignore some fields
1567 	 * when all entries contain the same value.  at first, it was
1568 	 * hoped that these were mere optimisations and the bios init
1569 	 * tables had configured as per the values here, but there is
1570 	 * evidence now to suggest that this isn't the case and we do
1571 	 * need to treat this condition as a "don't touch" indicator.
1572 	 */
1573 	for (i = 0; !ret; i++) {
1574 		ret = gk104_ram_ctor_data(ram, ramcfg, i);
1575 		if (ret && ret != -ENOENT) {
1576 			nvkm_error(subdev, "failed to parse ramcfg data\n");
1577 			return ret;
1578 		}
1579 	}
1580 
1581 	/* parse bios data for both pll's */
1582 	ret = nvbios_pll_parse(bios, 0x0c, &ram->fuc.refpll);
1583 	if (ret) {
1584 		nvkm_error(subdev, "mclk refpll data not found\n");
1585 		return ret;
1586 	}
1587 
1588 	ret = nvbios_pll_parse(bios, 0x04, &ram->fuc.mempll);
1589 	if (ret) {
1590 		nvkm_error(subdev, "mclk pll data not found\n");
1591 		return ret;
1592 	}
1593 
1594 	/* lookup memory voltage gpios */
1595 	ret = nvkm_gpio_find(device->gpio, 0, 0x18, DCB_GPIO_UNUSED, &gpio);
1596 	if (ret == 0) {
1597 		ram->fuc.r_gpioMV = ramfuc_reg(0x00d610 + (gpio.line * 0x04));
1598 		ram->fuc.r_funcMV[0] = (gpio.log[0] ^ 2) << 12;
1599 		ram->fuc.r_funcMV[1] = (gpio.log[1] ^ 2) << 12;
1600 	}
1601 
1602 	ret = nvkm_gpio_find(device->gpio, 0, 0x2e, DCB_GPIO_UNUSED, &gpio);
1603 	if (ret == 0) {
1604 		ram->fuc.r_gpio2E = ramfuc_reg(0x00d610 + (gpio.line * 0x04));
1605 		ram->fuc.r_func2E[0] = (gpio.log[0] ^ 2) << 12;
1606 		ram->fuc.r_func2E[1] = (gpio.log[1] ^ 2) << 12;
1607 	}
1608 
1609 	ram->fuc.r_gpiotrig = ramfuc_reg(0x00d604);
1610 
1611 	ram->fuc.r_0x132020 = ramfuc_reg(0x132020);
1612 	ram->fuc.r_0x132028 = ramfuc_reg(0x132028);
1613 	ram->fuc.r_0x132024 = ramfuc_reg(0x132024);
1614 	ram->fuc.r_0x132030 = ramfuc_reg(0x132030);
1615 	ram->fuc.r_0x132034 = ramfuc_reg(0x132034);
1616 	ram->fuc.r_0x132000 = ramfuc_reg(0x132000);
1617 	ram->fuc.r_0x132004 = ramfuc_reg(0x132004);
1618 	ram->fuc.r_0x132040 = ramfuc_reg(0x132040);
1619 
1620 	ram->fuc.r_0x10f248 = ramfuc_reg(0x10f248);
1621 	ram->fuc.r_0x10f290 = ramfuc_reg(0x10f290);
1622 	ram->fuc.r_0x10f294 = ramfuc_reg(0x10f294);
1623 	ram->fuc.r_0x10f298 = ramfuc_reg(0x10f298);
1624 	ram->fuc.r_0x10f29c = ramfuc_reg(0x10f29c);
1625 	ram->fuc.r_0x10f2a0 = ramfuc_reg(0x10f2a0);
1626 	ram->fuc.r_0x10f2a4 = ramfuc_reg(0x10f2a4);
1627 	ram->fuc.r_0x10f2a8 = ramfuc_reg(0x10f2a8);
1628 	ram->fuc.r_0x10f2ac = ramfuc_reg(0x10f2ac);
1629 	ram->fuc.r_0x10f2cc = ramfuc_reg(0x10f2cc);
1630 	ram->fuc.r_0x10f2e8 = ramfuc_reg(0x10f2e8);
1631 	ram->fuc.r_0x10f250 = ramfuc_reg(0x10f250);
1632 	ram->fuc.r_0x10f24c = ramfuc_reg(0x10f24c);
1633 	ram->fuc.r_0x10fec4 = ramfuc_reg(0x10fec4);
1634 	ram->fuc.r_0x10fec8 = ramfuc_reg(0x10fec8);
1635 	ram->fuc.r_0x10f604 = ramfuc_reg(0x10f604);
1636 	ram->fuc.r_0x10f614 = ramfuc_reg(0x10f614);
1637 	ram->fuc.r_0x10f610 = ramfuc_reg(0x10f610);
1638 	ram->fuc.r_0x100770 = ramfuc_reg(0x100770);
1639 	ram->fuc.r_0x100778 = ramfuc_reg(0x100778);
1640 	ram->fuc.r_0x10f224 = ramfuc_reg(0x10f224);
1641 
1642 	ram->fuc.r_0x10f870 = ramfuc_reg(0x10f870);
1643 	ram->fuc.r_0x10f698 = ramfuc_reg(0x10f698);
1644 	ram->fuc.r_0x10f694 = ramfuc_reg(0x10f694);
1645 	ram->fuc.r_0x10f6b8 = ramfuc_reg(0x10f6b8);
1646 	ram->fuc.r_0x10f808 = ramfuc_reg(0x10f808);
1647 	ram->fuc.r_0x10f670 = ramfuc_reg(0x10f670);
1648 	ram->fuc.r_0x10f60c = ramfuc_reg(0x10f60c);
1649 	ram->fuc.r_0x10f830 = ramfuc_reg(0x10f830);
1650 	ram->fuc.r_0x1373ec = ramfuc_reg(0x1373ec);
1651 	ram->fuc.r_0x10f800 = ramfuc_reg(0x10f800);
1652 	ram->fuc.r_0x10f82c = ramfuc_reg(0x10f82c);
1653 
1654 	ram->fuc.r_0x10f978 = ramfuc_reg(0x10f978);
1655 	ram->fuc.r_0x10f910 = ramfuc_reg(0x10f910);
1656 	ram->fuc.r_0x10f914 = ramfuc_reg(0x10f914);
1657 
1658 	switch (ram->base.type) {
1659 	case NVKM_RAM_TYPE_GDDR5:
1660 		ram->fuc.r_mr[0] = ramfuc_reg(0x10f300);
1661 		ram->fuc.r_mr[1] = ramfuc_reg(0x10f330);
1662 		ram->fuc.r_mr[2] = ramfuc_reg(0x10f334);
1663 		ram->fuc.r_mr[3] = ramfuc_reg(0x10f338);
1664 		ram->fuc.r_mr[4] = ramfuc_reg(0x10f33c);
1665 		ram->fuc.r_mr[5] = ramfuc_reg(0x10f340);
1666 		ram->fuc.r_mr[6] = ramfuc_reg(0x10f344);
1667 		ram->fuc.r_mr[7] = ramfuc_reg(0x10f348);
1668 		ram->fuc.r_mr[8] = ramfuc_reg(0x10f354);
1669 		ram->fuc.r_mr[15] = ramfuc_reg(0x10f34c);
1670 		break;
1671 	case NVKM_RAM_TYPE_DDR3:
1672 		ram->fuc.r_mr[0] = ramfuc_reg(0x10f300);
1673 		ram->fuc.r_mr[1] = ramfuc_reg(0x10f304);
1674 		ram->fuc.r_mr[2] = ramfuc_reg(0x10f320);
1675 		break;
1676 	default:
1677 		break;
1678 	}
1679 
1680 	ram->fuc.r_0x62c000 = ramfuc_reg(0x62c000);
1681 	ram->fuc.r_0x10f200 = ramfuc_reg(0x10f200);
1682 	ram->fuc.r_0x10f210 = ramfuc_reg(0x10f210);
1683 	ram->fuc.r_0x10f310 = ramfuc_reg(0x10f310);
1684 	ram->fuc.r_0x10f314 = ramfuc_reg(0x10f314);
1685 	ram->fuc.r_0x10f318 = ramfuc_reg(0x10f318);
1686 	ram->fuc.r_0x10f090 = ramfuc_reg(0x10f090);
1687 	ram->fuc.r_0x10f69c = ramfuc_reg(0x10f69c);
1688 	ram->fuc.r_0x10f824 = ramfuc_reg(0x10f824);
1689 	ram->fuc.r_0x1373f0 = ramfuc_reg(0x1373f0);
1690 	ram->fuc.r_0x1373f4 = ramfuc_reg(0x1373f4);
1691 	ram->fuc.r_0x137320 = ramfuc_reg(0x137320);
1692 	ram->fuc.r_0x10f65c = ramfuc_reg(0x10f65c);
1693 	ram->fuc.r_0x10f6bc = ramfuc_reg(0x10f6bc);
1694 	ram->fuc.r_0x100710 = ramfuc_reg(0x100710);
1695 	ram->fuc.r_0x100750 = ramfuc_reg(0x100750);
1696 	return 0;
1697 }
1698 
1699 static const struct nvkm_ram_func
1700 gk104_ram = {
1701 	.upper = 0x0200000000ULL,
1702 	.probe_fbp = gf100_ram_probe_fbp,
1703 	.probe_fbp_amount = gf108_ram_probe_fbp_amount,
1704 	.probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
1705 	.dtor = gk104_ram_dtor,
1706 	.init = gk104_ram_init,
1707 	.calc = gk104_ram_calc,
1708 	.prog = gk104_ram_prog,
1709 	.tidy = gk104_ram_tidy,
1710 };
1711 
1712 int
1713 gk104_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
1714 {
1715 	return gk104_ram_new_(&gk104_ram, fb, pram);
1716 }
1717