cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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headc37d.c (10129B)


      1/*
      2 * Copyright 2018 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#include "head.h"
     23#include "atom.h"
     24#include "core.h"
     25
     26#include <nvif/pushc37b.h>
     27
     28#include <nvhw/class/clc37d.h>
     29
     30static int
     31headc37d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
     32{
     33	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
     34	const int i = head->base.index;
     35	u8 depth;
     36	int ret;
     37
     38	/*XXX: This is a dirty hack until OR depth handling is
     39	 *     improved later for deep colour etc.
     40	 */
     41	switch (asyh->or.depth) {
     42	case 6: depth = 5; break;
     43	case 5: depth = 4; break;
     44	case 2: depth = 1; break;
     45	case 0:	depth = 4; break;
     46	default:
     47		depth = asyh->or.depth;
     48		WARN_ON(1);
     49		break;
     50	}
     51
     52	if ((ret = PUSH_WAIT(push, 2)))
     53		return ret;
     54
     55	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE(i),
     56		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, CRC_MODE, asyh->or.crc_raster) |
     57		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, HSYNC_POLARITY, asyh->or.nhsync) |
     58		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, VSYNC_POLARITY, asyh->or.nvsync) |
     59		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, PIXEL_DEPTH, depth) |
     60		  NVDEF(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, COLOR_SPACE_OVERRIDE, DISABLE));
     61	return 0;
     62}
     63
     64static int
     65headc37d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
     66{
     67	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
     68	const int i = head->base.index;
     69	int ret;
     70
     71	if ((ret = PUSH_WAIT(push, 2)))
     72		return ret;
     73
     74	PUSH_MTHD(push, NVC37D, HEAD_SET_PROCAMP(i),
     75		  NVDEF(NVC37D, HEAD_SET_PROCAMP, COLOR_SPACE, RGB) |
     76		  NVDEF(NVC37D, HEAD_SET_PROCAMP, CHROMA_LPF, DISABLE) |
     77		  NVVAL(NVC37D, HEAD_SET_PROCAMP, SAT_COS, asyh->procamp.sat.cos) |
     78		  NVVAL(NVC37D, HEAD_SET_PROCAMP, SAT_SINE, asyh->procamp.sat.sin) |
     79		  NVDEF(NVC37D, HEAD_SET_PROCAMP, DYNAMIC_RANGE, VESA) |
     80		  NVDEF(NVC37D, HEAD_SET_PROCAMP, RANGE_COMPRESSION, DISABLE) |
     81		  NVDEF(NVC37D, HEAD_SET_PROCAMP, BLACK_LEVEL, GRAPHICS));
     82	return 0;
     83}
     84
     85int
     86headc37d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
     87{
     88	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
     89	const int i = head->base.index;
     90	int ret;
     91
     92	if ((ret = PUSH_WAIT(push, 2)))
     93		return ret;
     94
     95	PUSH_MTHD(push, NVC37D, HEAD_SET_DITHER_CONTROL(i),
     96		  NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) |
     97		  NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) |
     98		  NVDEF(NVC37D, HEAD_SET_DITHER_CONTROL, OFFSET_ENABLE, DISABLE) |
     99		  NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) |
    100		  NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, PHASE, 0));
    101	return 0;
    102}
    103
    104int
    105headc37d_curs_clr(struct nv50_head *head)
    106{
    107	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
    108	const int i = head->base.index;
    109	int ret;
    110
    111	if ((ret = PUSH_WAIT(push, 4)))
    112		return ret;
    113
    114	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTROL_CURSOR(i),
    115		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR, ENABLE, DISABLE) |
    116		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR, FORMAT, A8R8G8B8));
    117
    118	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CURSOR(i, 0), 0x00000000);
    119	return 0;
    120}
    121
    122int
    123headc37d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
    124{
    125	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
    126	const int i = head->base.index;
    127	int ret;
    128
    129	if ((ret = PUSH_WAIT(push, 7)))
    130		return ret;
    131
    132	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTROL_CURSOR(i),
    133		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR, ENABLE, ENABLE) |
    134		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR, FORMAT, asyh->curs.format) |
    135		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR, SIZE, asyh->curs.layout) |
    136		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_X, 0) |
    137		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_Y, 0) |
    138		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR, DE_GAMMA, NONE),
    139
    140				HEAD_SET_CONTROL_CURSOR_COMPOSITION(i),
    141		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, K1, 0xff) |
    142		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, CURSOR_COLOR_FACTOR_SELECT,
    143								     K1) |
    144		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, VIEWPORT_COLOR_FACTOR_SELECT,
    145								     NEG_K1_TIMES_SRC) |
    146		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, MODE, BLEND));
    147
    148	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CURSOR(i, 0), asyh->curs.handle);
    149	PUSH_MTHD(push, NVC37D, HEAD_SET_OFFSET_CURSOR(i, 0), asyh->curs.offset >> 8);
    150	return 0;
    151}
    152
    153int
    154headc37d_curs_format(struct nv50_head *head, struct nv50_wndw_atom *asyw,
    155		     struct nv50_head_atom *asyh)
    156{
    157	asyh->curs.format = asyw->image.format;
    158	return 0;
    159}
    160
    161static int
    162headc37d_olut_clr(struct nv50_head *head)
    163{
    164	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
    165	const int i = head->base.index;
    166	int ret;
    167
    168	if ((ret = PUSH_WAIT(push, 2)))
    169		return ret;
    170
    171	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_OUTPUT_LUT(i), 0x00000000);
    172	return 0;
    173}
    174
    175static int
    176headc37d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
    177{
    178	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
    179	const int i = head->base.index;
    180	int ret;
    181
    182	if ((ret = PUSH_WAIT(push, 4)))
    183		return ret;
    184
    185	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTROL_OUTPUT_LUT(i),
    186		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_LUT, SIZE, asyh->olut.size) |
    187		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_LUT, RANGE, asyh->olut.range) |
    188		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_LUT, OUTPUT_MODE, asyh->olut.output_mode),
    189
    190				HEAD_SET_OFFSET_OUTPUT_LUT(i), asyh->olut.offset >> 8,
    191				HEAD_SET_CONTEXT_DMA_OUTPUT_LUT(i), asyh->olut.handle);
    192	return 0;
    193}
    194
    195static bool
    196headc37d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size)
    197{
    198	if (size != 256 && size != 1024)
    199		return false;
    200
    201	asyh->olut.size = size == 1024 ? NVC37D_HEAD_SET_CONTROL_OUTPUT_LUT_SIZE_SIZE_1025 :
    202					 NVC37D_HEAD_SET_CONTROL_OUTPUT_LUT_SIZE_SIZE_257;
    203	asyh->olut.range = NVC37D_HEAD_SET_CONTROL_OUTPUT_LUT_RANGE_UNITY;
    204	asyh->olut.output_mode = NVC37D_HEAD_SET_CONTROL_OUTPUT_LUT_OUTPUT_MODE_INTERPOLATE;
    205	asyh->olut.load = head907d_olut_load;
    206	return true;
    207}
    208
    209static int
    210headc37d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
    211{
    212	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
    213	struct nv50_head_mode *m = &asyh->mode;
    214	const int i = head->base.index;
    215	int ret;
    216
    217	if ((ret = PUSH_WAIT(push, 15)))
    218		return ret;
    219
    220	PUSH_MTHD(push, NVC37D, HEAD_SET_RASTER_SIZE(i),
    221		  NVVAL(NVC37D, HEAD_SET_RASTER_SIZE, WIDTH, m->h.active) |
    222		  NVVAL(NVC37D, HEAD_SET_RASTER_SIZE, HEIGHT, m->v.active),
    223
    224				HEAD_SET_RASTER_SYNC_END(i),
    225		  NVVAL(NVC37D, HEAD_SET_RASTER_SYNC_END, X, m->h.synce) |
    226		  NVVAL(NVC37D, HEAD_SET_RASTER_SYNC_END, Y, m->v.synce),
    227
    228				HEAD_SET_RASTER_BLANK_END(i),
    229		  NVVAL(NVC37D, HEAD_SET_RASTER_BLANK_END, X, m->h.blanke) |
    230		  NVVAL(NVC37D, HEAD_SET_RASTER_BLANK_END, Y, m->v.blanke),
    231
    232				HEAD_SET_RASTER_BLANK_START(i),
    233		  NVVAL(NVC37D, HEAD_SET_RASTER_BLANK_START, X, m->h.blanks) |
    234		  NVVAL(NVC37D, HEAD_SET_RASTER_BLANK_START, Y, m->v.blanks));
    235
    236	//XXX:
    237	PUSH_NVSQ(push, NVC37D, 0x2074 + (i * 0x400), m->v.blank2e << 16 | m->v.blank2s);
    238	PUSH_NVSQ(push, NVC37D, 0x2008 + (i * 0x400), m->interlace);
    239
    240	PUSH_MTHD(push, NVC37D, HEAD_SET_PIXEL_CLOCK_FREQUENCY(i),
    241		  NVVAL(NVC37D, HEAD_SET_PIXEL_CLOCK_FREQUENCY, HERTZ, m->clock * 1000));
    242
    243	PUSH_MTHD(push, NVC37D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX(i),
    244		  NVVAL(NVC37D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX, HERTZ, m->clock * 1000));
    245
    246	/*XXX: HEAD_USAGE_BOUNDS, doesn't belong here. */
    247	PUSH_MTHD(push, NVC37D, HEAD_SET_HEAD_USAGE_BOUNDS(i),
    248		  NVDEF(NVC37D, HEAD_SET_HEAD_USAGE_BOUNDS, CURSOR, USAGE_W256_H256) |
    249		  NVDEF(NVC37D, HEAD_SET_HEAD_USAGE_BOUNDS, OUTPUT_LUT, USAGE_1025) |
    250		  NVDEF(NVC37D, HEAD_SET_HEAD_USAGE_BOUNDS, UPSCALING_ALLOWED, TRUE));
    251	return 0;
    252}
    253
    254int
    255headc37d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
    256{
    257	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
    258	const int i = head->base.index;
    259	int ret;
    260
    261	if ((ret = PUSH_WAIT(push, 4)))
    262		return ret;
    263
    264	PUSH_MTHD(push, NVC37D, HEAD_SET_VIEWPORT_SIZE_IN(i),
    265		  NVVAL(NVC37D, HEAD_SET_VIEWPORT_SIZE_IN, WIDTH, asyh->view.iW) |
    266		  NVVAL(NVC37D, HEAD_SET_VIEWPORT_SIZE_IN, HEIGHT, asyh->view.iH));
    267
    268	PUSH_MTHD(push, NVC37D, HEAD_SET_VIEWPORT_SIZE_OUT(i),
    269		  NVVAL(NVC37D, HEAD_SET_VIEWPORT_SIZE_OUT, WIDTH, asyh->view.oW) |
    270		  NVVAL(NVC37D, HEAD_SET_VIEWPORT_SIZE_OUT, HEIGHT, asyh->view.oH));
    271	return 0;
    272}
    273
    274void
    275headc37d_static_wndw_map(struct nv50_head *head, struct nv50_head_atom *asyh)
    276{
    277	int i, end;
    278
    279	for (i = head->base.index * 2, end = i + 2; i < end; i++)
    280		asyh->wndw.owned |= BIT(i);
    281}
    282
    283const struct nv50_head_func
    284headc37d = {
    285	.view = headc37d_view,
    286	.mode = headc37d_mode,
    287	.olut = headc37d_olut,
    288	.ilut_check = head907d_ilut_check,
    289	.olut_size = 1024,
    290	.olut_set = headc37d_olut_set,
    291	.olut_clr = headc37d_olut_clr,
    292	.curs_layout = head917d_curs_layout,
    293	.curs_format = headc37d_curs_format,
    294	.curs_set = headc37d_curs_set,
    295	.curs_clr = headc37d_curs_clr,
    296	.dither = headc37d_dither,
    297	.procamp = headc37d_procamp,
    298	.or = headc37d_or,
    299	.static_wndw_map = headc37d_static_wndw_map,
    300};