cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

nv04_fbcon.c (7515B)


      1/*
      2 * Copyright 2009 Ben Skeggs
      3 * Copyright 2008 Stuart Bennett
      4 *
      5 * Permission is hereby granted, free of charge, to any person obtaining a
      6 * copy of this software and associated documentation files (the "Software"),
      7 * to deal in the Software without restriction, including without limitation
      8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9 * and/or sell copies of the Software, and to permit persons to whom the
     10 * Software is furnished to do so, subject to the following conditions:
     11 *
     12 * The above copyright notice and this permission notice (including the next
     13 * paragraph) shall be included in all copies or substantial portions of the
     14 * Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     22 * DEALINGS IN THE SOFTWARE.
     23 */
     24#define NVIF_DEBUG_PRINT_DISABLE
     25#include "nouveau_drv.h"
     26#include "nouveau_dma.h"
     27#include "nouveau_fbcon.h"
     28
     29#include <nvif/push006c.h>
     30
     31int
     32nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
     33{
     34	struct nouveau_fbdev *nfbdev = info->par;
     35	struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
     36	struct nouveau_channel *chan = drm->channel;
     37	struct nvif_push *push = chan->chan.push;
     38	int ret;
     39
     40	ret = PUSH_WAIT(push, 4);
     41	if (ret)
     42		return ret;
     43
     44	PUSH_NVSQ(push, NV05F, 0x0300, (region->sy << 16) | region->sx,
     45			       0x0304, (region->dy << 16) | region->dx,
     46			       0x0308, (region->height << 16) | region->width);
     47	PUSH_KICK(push);
     48	return 0;
     49}
     50
     51int
     52nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
     53{
     54	struct nouveau_fbdev *nfbdev = info->par;
     55	struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
     56	struct nouveau_channel *chan = drm->channel;
     57	struct nvif_push *push = chan->chan.push;
     58	int ret;
     59
     60	ret = PUSH_WAIT(push, 7);
     61	if (ret)
     62		return ret;
     63
     64	PUSH_NVSQ(push, NV04A, 0x02fc, (rect->rop != ROP_COPY) ? 1 : 3);
     65	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
     66	    info->fix.visual == FB_VISUAL_DIRECTCOLOR)
     67		PUSH_NVSQ(push, NV04A, 0x03fc, ((uint32_t *)info->pseudo_palette)[rect->color]);
     68	else
     69		PUSH_NVSQ(push, NV04A, 0x03fc, rect->color);
     70	PUSH_NVSQ(push, NV04A, 0x0400, (rect->dx << 16) | rect->dy,
     71			       0x0404, (rect->width << 16) | rect->height);
     72	PUSH_KICK(push);
     73	return 0;
     74}
     75
     76int
     77nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
     78{
     79	struct nouveau_fbdev *nfbdev = info->par;
     80	struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
     81	struct nouveau_channel *chan = drm->channel;
     82	struct nvif_push *push = chan->chan.push;
     83	uint32_t fg;
     84	uint32_t bg;
     85	uint32_t dsize;
     86	uint32_t *data = (uint32_t *)image->data;
     87	int ret;
     88
     89	if (image->depth != 1)
     90		return -ENODEV;
     91
     92	ret = PUSH_WAIT(push, 8);
     93	if (ret)
     94		return ret;
     95
     96	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
     97	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
     98		fg = ((uint32_t *) info->pseudo_palette)[image->fg_color];
     99		bg = ((uint32_t *) info->pseudo_palette)[image->bg_color];
    100	} else {
    101		fg = image->fg_color;
    102		bg = image->bg_color;
    103	}
    104
    105	PUSH_NVSQ(push, NV04A, 0x0be4, (image->dy << 16) | (image->dx & 0xffff),
    106			       0x0be8, ((image->dy + image->height) << 16) |
    107				       ((image->dx + image->width) & 0xffff),
    108			       0x0bec, bg,
    109			       0x0bf0, fg,
    110			       0x0bf4, (image->height << 16) | ALIGN(image->width, 8),
    111			       0x0bf8, (image->height << 16) | image->width,
    112			       0x0bfc, (image->dy << 16) | (image->dx & 0xffff));
    113
    114	dsize = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5;
    115	while (dsize) {
    116		int iter_len = dsize > 128 ? 128 : dsize;
    117
    118		ret = PUSH_WAIT(push, iter_len + 1);
    119		if (ret)
    120			return ret;
    121
    122		PUSH_NVSQ(push, NV04A, 0x0c00, data, iter_len);
    123		data += iter_len;
    124		dsize -= iter_len;
    125	}
    126
    127	PUSH_KICK(push);
    128	return 0;
    129}
    130
    131int
    132nv04_fbcon_accel_init(struct fb_info *info)
    133{
    134	struct nouveau_fbdev *nfbdev = info->par;
    135	struct drm_device *dev = nfbdev->helper.dev;
    136	struct nouveau_drm *drm = nouveau_drm(dev);
    137	struct nouveau_channel *chan = drm->channel;
    138	struct nvif_device *device = &drm->client.device;
    139	struct nvif_push *push = chan->chan.push;
    140	int surface_fmt, pattern_fmt, rect_fmt;
    141	int ret;
    142
    143	switch (info->var.bits_per_pixel) {
    144	case 8:
    145		surface_fmt = 1;
    146		pattern_fmt = 3;
    147		rect_fmt = 3;
    148		break;
    149	case 16:
    150		surface_fmt = 4;
    151		pattern_fmt = 1;
    152		rect_fmt = 1;
    153		break;
    154	case 32:
    155		switch (info->var.transp.length) {
    156		case 0: /* depth 24 */
    157		case 8: /* depth 32 */
    158			break;
    159		default:
    160			return -EINVAL;
    161		}
    162
    163		surface_fmt = 6;
    164		pattern_fmt = 3;
    165		rect_fmt = 3;
    166		break;
    167	default:
    168		return -EINVAL;
    169	}
    170
    171	ret = nvif_object_ctor(&chan->user, "fbconCtxSurf2d", 0x0062,
    172			       device->info.family >= NV_DEVICE_INFO_V0_CELSIUS ?
    173			       0x0062 : 0x0042, NULL, 0, &nfbdev->surf2d);
    174	if (ret)
    175		return ret;
    176
    177	ret = nvif_object_ctor(&chan->user, "fbconCtxClip", 0x0019, 0x0019,
    178			       NULL, 0, &nfbdev->clip);
    179	if (ret)
    180		return ret;
    181
    182	ret = nvif_object_ctor(&chan->user, "fbconCtxRop", 0x0043, 0x0043,
    183			       NULL, 0, &nfbdev->rop);
    184	if (ret)
    185		return ret;
    186
    187	ret = nvif_object_ctor(&chan->user, "fbconCtxPatt", 0x0044, 0x0044,
    188			       NULL, 0, &nfbdev->patt);
    189	if (ret)
    190		return ret;
    191
    192	ret = nvif_object_ctor(&chan->user, "fbconGdiRectText", 0x004a, 0x004a,
    193			       NULL, 0, &nfbdev->gdi);
    194	if (ret)
    195		return ret;
    196
    197	ret = nvif_object_ctor(&chan->user, "fbconImageBlit", 0x005f,
    198			       device->info.chipset >= 0x11 ? 0x009f : 0x005f,
    199			       NULL, 0, &nfbdev->blit);
    200	if (ret)
    201		return ret;
    202
    203	if (PUSH_WAIT(push, 49 + (device->info.chipset >= 0x11 ? 4 : 0))) {
    204		nouveau_fbcon_gpu_lockup(info);
    205		return 0;
    206	}
    207
    208	PUSH_NVSQ(push, NV042, 0x0000, nfbdev->surf2d.handle);
    209	PUSH_NVSQ(push, NV042, 0x0184, chan->vram.handle,
    210			       0x0188, chan->vram.handle);
    211	PUSH_NVSQ(push, NV042, 0x0300, surface_fmt,
    212			       0x0304, info->fix.line_length | (info->fix.line_length << 16),
    213			       0x0308, info->fix.smem_start - dev->mode_config.fb_base,
    214			       0x030c, info->fix.smem_start - dev->mode_config.fb_base);
    215
    216	PUSH_NVSQ(push, NV043, 0x0000, nfbdev->rop.handle);
    217	PUSH_NVSQ(push, NV043, 0x0300, 0x55);
    218
    219	PUSH_NVSQ(push, NV044, 0x0000, nfbdev->patt.handle);
    220	PUSH_NVSQ(push, NV044, 0x0300, pattern_fmt,
    221#ifdef __BIG_ENDIAN
    222			       0x0304, 2,
    223#else
    224			       0x0304, 1,
    225#endif
    226			       0x0308, 0,
    227			       0x030c, 1,
    228			       0x0310, ~0,
    229			       0x0314, ~0,
    230			       0x0318, ~0,
    231			       0x031c, ~0);
    232
    233	PUSH_NVSQ(push, NV019, 0x0000, nfbdev->clip.handle);
    234	PUSH_NVSQ(push, NV019, 0x0300, 0,
    235			       0x0304, (info->var.yres_virtual << 16) | info->var.xres_virtual);
    236
    237	PUSH_NVSQ(push, NV05F, 0x0000, nfbdev->blit.handle);
    238	PUSH_NVSQ(push, NV05F, 0x019c, nfbdev->surf2d.handle);
    239	PUSH_NVSQ(push, NV05F, 0x02fc, 3);
    240	if (nfbdev->blit.oclass == 0x009f) {
    241		PUSH_NVSQ(push, NV09F, 0x0120, 0,
    242				       0x0124, 1,
    243				       0x0128, 2);
    244	}
    245
    246	PUSH_NVSQ(push, NV04A, 0x0000, nfbdev->gdi.handle);
    247	PUSH_NVSQ(push, NV04A, 0x0198, nfbdev->surf2d.handle);
    248	PUSH_NVSQ(push, NV04A, 0x0188, nfbdev->patt.handle,
    249			       0x018c, nfbdev->rop.handle);
    250	PUSH_NVSQ(push, NV04A, 0x0304, 1);
    251	PUSH_NVSQ(push, NV04A, 0x0300, rect_fmt);
    252	PUSH_NVSQ(push, NV04A, 0x02fc, 3);
    253
    254	PUSH_KICK(push);
    255	return 0;
    256}
    257