[mirror_ubuntu-zesty-kernel.git] / drivers / gpu / drm / nouveau / nvc0_fbcon.c

/*
 * Copyright 2010 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Ben Skeggs
 */

#include "nouveau_drm.h"
#include "nouveau_dma.h"
#include "nouveau_fbcon.h"

int
nvc0_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
	struct nouveau_fbdev *nfbdev = info->par;
	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
	struct nouveau_channel *chan = drm->channel;
	int ret;

	ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
	if (ret)
		return ret;

	if (rect->rop != ROP_COPY) {
		BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
		OUT_RING  (chan, 1);
	}
	BEGIN_NVC0(chan, NvSub2D, 0x0588, 1);
	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
	    info->fix.visual == FB_VISUAL_DIRECTCOLOR)
		OUT_RING  (chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
	else
		OUT_RING  (chan, rect->color);
	BEGIN_NVC0(chan, NvSub2D, 0x0600, 4);
	OUT_RING  (chan, rect->dx);
	OUT_RING  (chan, rect->dy);
	OUT_RING  (chan, rect->dx + rect->width);
	OUT_RING  (chan, rect->dy + rect->height);
	if (rect->rop != ROP_COPY) {
		BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
		OUT_RING  (chan, 3);
	}
	FIRE_RING(chan);
	return 0;
}

int
nvc0_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
	struct nouveau_fbdev *nfbdev = info->par;
	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
	struct nouveau_channel *chan = drm->channel;
	int ret;

	ret = RING_SPACE(chan, 12);
	if (ret)
		return ret;

	BEGIN_NVC0(chan, NvSub2D, 0x0110, 1);
	OUT_RING  (chan, 0);
	BEGIN_NVC0(chan, NvSub2D, 0x08b0, 4);
	OUT_RING  (chan, region->dx);
	OUT_RING  (chan, region->dy);
	OUT_RING  (chan, region->width);
	OUT_RING  (chan, region->height);
	BEGIN_NVC0(chan, NvSub2D, 0x08d0, 4);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, region->sx);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, region->sy);
	FIRE_RING(chan);
	return 0;
}

int
nvc0_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
{
	struct nouveau_fbdev *nfbdev = info->par;
	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
	struct nouveau_channel *chan = drm->channel;
	uint32_t width, dwords, *data = (uint32_t *)image->data;
	uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
	uint32_t *palette = info->pseudo_palette;
	int ret;

	if (image->depth != 1)
		return -ENODEV;

	ret = RING_SPACE(chan, 11);
	if (ret)
		return ret;

	width = ALIGN(image->width, 32);
	dwords = (width * image->height) >> 5;

	BEGIN_NVC0(chan, NvSub2D, 0x0814, 2);
	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
		OUT_RING  (chan, palette[image->bg_color] | mask);
		OUT_RING  (chan, palette[image->fg_color] | mask);
	} else {
		OUT_RING  (chan, image->bg_color);
		OUT_RING  (chan, image->fg_color);
	}
	BEGIN_NVC0(chan, NvSub2D, 0x0838, 2);
	OUT_RING  (chan, image->width);
	OUT_RING  (chan, image->height);
	BEGIN_NVC0(chan, NvSub2D, 0x0850, 4);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, image->dx);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, image->dy);

	while (dwords) {
		int push = dwords > 2047 ? 2047 : dwords;

		ret = RING_SPACE(chan, push + 1);
		if (ret)
			return ret;

		dwords -= push;

		BEGIN_NIC0(chan, NvSub2D, 0x0860, push);
		OUT_RINGp(chan, data, push);
		data += push;
	}

	FIRE_RING(chan);
	return 0;
}

int
nvc0_fbcon_accel_init(struct fb_info *info)
{
	struct nouveau_fbdev *nfbdev = info->par;
	struct drm_device *dev = nfbdev->dev;
	struct nouveau_framebuffer *fb = &nfbdev->nouveau_fb;
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_channel *chan = drm->channel;
	int ret, format;

	ret = nvif_object_init(chan->object, NULL, 0x902d, 0x902d, NULL, 0,
			       &nfbdev->twod);
	if (ret)
		return ret;

	switch (info->var.bits_per_pixel) {
	case 8:
		format = 0xf3;
		break;
	case 15:
		format = 0xf8;
		break;
	case 16:
		format = 0xe8;
		break;
	case 32:
		switch (info->var.transp.length) {
		case 0: /* depth 24 */
		case 8: /* depth 32, just use 24.. */
			format = 0xe6;
			break;
		case 2: /* depth 30 */
			format = 0xd1;
			break;
		default:
			return -EINVAL;
		}
		break;
	default:
		return -EINVAL;
	}

	ret = RING_SPACE(chan, 58);
	if (ret) {
		WARN_ON(1);
		nouveau_fbcon_gpu_lockup(info);
		return ret;
	}

	BEGIN_NVC0(chan, NvSub2D, 0x0000, 1);
	OUT_RING  (chan, nfbdev->twod.handle);
	BEGIN_NVC0(chan, NvSub2D, 0x0290, 1);
	OUT_RING  (chan, 0);
	BEGIN_NVC0(chan, NvSub2D, 0x0888, 1);
	OUT_RING  (chan, 1);
	BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
	OUT_RING  (chan, 3);
	BEGIN_NVC0(chan, NvSub2D, 0x02a0, 1);
	OUT_RING  (chan, 0x55);
	BEGIN_NVC0(chan, NvSub2D, 0x08c0, 4);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	BEGIN_NVC0(chan, NvSub2D, 0x0580, 2);
	OUT_RING  (chan, 4);
	OUT_RING  (chan, format);
	BEGIN_NVC0(chan, NvSub2D, 0x02e8, 2);
	OUT_RING  (chan, 2);
	OUT_RING  (chan, 1);

	BEGIN_NVC0(chan, NvSub2D, 0x0804, 1);
	OUT_RING  (chan, format);
	BEGIN_NVC0(chan, NvSub2D, 0x0800, 1);
	OUT_RING  (chan, 1);
	BEGIN_NVC0(chan, NvSub2D, 0x0808, 3);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	BEGIN_NVC0(chan, NvSub2D, 0x081c, 1);
	OUT_RING  (chan, 1);
	BEGIN_NVC0(chan, NvSub2D, 0x0840, 4);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	BEGIN_NVC0(chan, NvSub2D, 0x0200, 10);
	OUT_RING  (chan, format);
	OUT_RING  (chan, 1);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, info->fix.line_length);
	OUT_RING  (chan, info->var.xres_virtual);
	OUT_RING  (chan, info->var.yres_virtual);
	OUT_RING  (chan, upper_32_bits(fb->vma.offset));
	OUT_RING  (chan, lower_32_bits(fb->vma.offset));
	BEGIN_NVC0(chan, NvSub2D, 0x0230, 10);
	OUT_RING  (chan, format);
	OUT_RING  (chan, 1);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, 1);
	OUT_RING  (chan, 0);
	OUT_RING  (chan, info->fix.line_length);
	OUT_RING  (chan, info->var.xres_virtual);
	OUT_RING  (chan, info->var.yres_virtual);
	OUT_RING  (chan, upper_32_bits(fb->vma.offset));
	OUT_RING  (chan, lower_32_bits(fb->vma.offset));
	FIRE_RING (chan);

	return 0;
}
Commit	Line	Data
ddbaf79a BS	1	/*
	2	* Copyright 2010 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
ebb945a9	25	#include "nouveau_drm.h"
ddbaf79a	26	#include "nouveau_dma.h"
ddbaf79a	27	#include "nouveau_fbcon.h"
ddbaf79a BS	28
	29	int
	30	nvc0_fbcon_fillrect(struct fb_info info, const struct fb_fillrect rect)
	31	{
	32	struct nouveau_fbdev *nfbdev = info->par;
77145f1c	33	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
ebb945a9	34	struct nouveau_channel *chan = drm->channel;
ddbaf79a BS	35	int ret;
	36
	37	ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
	38	if (ret)
	39	return ret;
	40
	41	if (rect->rop != ROP_COPY) {
6d597027	42	BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
ddbaf79a BS	43	OUT_RING (chan, 1);
ddbaf79a BS	44	}
6d597027	45	BEGIN_NVC0(chan, NvSub2D, 0x0588, 1);
ddbaf79a BS	46	if (info->fix.visual == FB_VISUAL_TRUECOLOR \|\|
	47	info->fix.visual == FB_VISUAL_DIRECTCOLOR)
	48	OUT_RING (chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
	49	else
	50	OUT_RING (chan, rect->color);
6d597027	51	BEGIN_NVC0(chan, NvSub2D, 0x0600, 4);
ddbaf79a BS	52	OUT_RING (chan, rect->dx);
	53	OUT_RING (chan, rect->dy);
	54	OUT_RING (chan, rect->dx + rect->width);
	55	OUT_RING (chan, rect->dy + rect->height);
	56	if (rect->rop != ROP_COPY) {
6d597027	57	BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
ddbaf79a BS	58	OUT_RING (chan, 3);
	59	}
	60	FIRE_RING(chan);
	61	return 0;
	62	}
	63
	64	int
	65	nvc0_fbcon_copyarea(struct fb_info info, const struct fb_copyarea region)
	66	{
	67	struct nouveau_fbdev *nfbdev = info->par;
77145f1c	68	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
ebb945a9	69	struct nouveau_channel *chan = drm->channel;
ddbaf79a BS	70	int ret;
	71
	72	ret = RING_SPACE(chan, 12);
	73	if (ret)
	74	return ret;
	75
6d597027	76	BEGIN_NVC0(chan, NvSub2D, 0x0110, 1);
ddbaf79a	77	OUT_RING (chan, 0);
6d597027	78	BEGIN_NVC0(chan, NvSub2D, 0x08b0, 4);
ddbaf79a BS	79	OUT_RING (chan, region->dx);
	80	OUT_RING (chan, region->dy);
	81	OUT_RING (chan, region->width);
	82	OUT_RING (chan, region->height);
6d597027	83	BEGIN_NVC0(chan, NvSub2D, 0x08d0, 4);
ddbaf79a BS	84	OUT_RING (chan, 0);
	85	OUT_RING (chan, region->sx);
	86	OUT_RING (chan, 0);
	87	OUT_RING (chan, region->sy);
	88	FIRE_RING(chan);
	89	return 0;
	90	}
	91
	92	int
	93	nvc0_fbcon_imageblit(struct fb_info info, const struct fb_image image)
	94	{
	95	struct nouveau_fbdev *nfbdev = info->par;
77145f1c	96	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
ebb945a9	97	struct nouveau_channel *chan = drm->channel;
ddbaf79a BS	98	uint32_t width, dwords, data = (uint32_t )image->data;
	99	uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
	100	uint32_t *palette = info->pseudo_palette;
	101	int ret;
	102
	103	if (image->depth != 1)
	104	return -ENODEV;
	105
	106	ret = RING_SPACE(chan, 11);
	107	if (ret)
	108	return ret;
	109
	110	width = ALIGN(image->width, 32);
	111	dwords = (width * image->height) >> 5;
	112
6d597027	113	BEGIN_NVC0(chan, NvSub2D, 0x0814, 2);
ddbaf79a BS	114	if (info->fix.visual == FB_VISUAL_TRUECOLOR \|\|
	115	info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
	116	OUT_RING (chan, palette[image->bg_color] \| mask);
	117	OUT_RING (chan, palette[image->fg_color] \| mask);
	118	} else {
	119	OUT_RING (chan, image->bg_color);
	120	OUT_RING (chan, image->fg_color);
	121	}
6d597027	122	BEGIN_NVC0(chan, NvSub2D, 0x0838, 2);
ddbaf79a BS	123	OUT_RING (chan, image->width);
ddbaf79a BS	124	OUT_RING (chan, image->height);
6d597027	125	BEGIN_NVC0(chan, NvSub2D, 0x0850, 4);
ddbaf79a BS	126	OUT_RING (chan, 0);
	127	OUT_RING (chan, image->dx);
	128	OUT_RING (chan, 0);
	129	OUT_RING (chan, image->dy);
	130
	131	while (dwords) {
	132	int push = dwords > 2047 ? 2047 : dwords;
	133
	134	ret = RING_SPACE(chan, push + 1);
	135	if (ret)
	136	return ret;
	137
	138	dwords -= push;
	139
6d597027	140	BEGIN_NIC0(chan, NvSub2D, 0x0860, push);
ddbaf79a BS	141	OUT_RINGp(chan, data, push);
	142	data += push;
	143	}
	144
	145	FIRE_RING(chan);
	146	return 0;
	147	}
	148
	149	int
	150	nvc0_fbcon_accel_init(struct fb_info *info)
	151	{
	152	struct nouveau_fbdev *nfbdev = info->par;
	153	struct drm_device *dev = nfbdev->dev;
45143cb5	154	struct nouveau_framebuffer *fb = &nfbdev->nouveau_fb;
77145f1c	155	struct nouveau_drm *drm = nouveau_drm(dev);
ebb945a9	156	struct nouveau_channel *chan = drm->channel;
ddbaf79a BS	157	int ret, format;
ddbaf79a BS	158
f45f55c4	159	ret = nvif_object_init(chan->object, NULL, 0x902d, 0x902d, NULL, 0,
0ad72863	160	&nfbdev->twod);
ddbaf79a BS	161	if (ret)
	162	return ret;
	163
	164	switch (info->var.bits_per_pixel) {
	165	case 8:
	166	format = 0xf3;
	167	break;
	168	case 15:
	169	format = 0xf8;
	170	break;
	171	case 16:
	172	format = 0xe8;
	173	break;
	174	case 32:
	175	switch (info->var.transp.length) {
	176	case 0: /* depth 24 */
	177	case 8: /* depth 32, just use 24.. */
	178	format = 0xe6;
	179	break;
	180	case 2: /* depth 30 */
	181	format = 0xd1;
	182	break;
	183	default:
	184	return -EINVAL;
	185	}
	186	break;
	187	default:
	188	return -EINVAL;
	189	}
	190
4fd26cb1	191	ret = RING_SPACE(chan, 58);
ddbaf79a BS	192	if (ret) {
	193	WARN_ON(1);
	194	nouveau_fbcon_gpu_lockup(info);
	195	return ret;
	196	}
	197
6d597027	198	BEGIN_NVC0(chan, NvSub2D, 0x0000, 1);
f45f55c4	199	OUT_RING (chan, nfbdev->twod.handle);
6d597027	200	BEGIN_NVC0(chan, NvSub2D, 0x0290, 1);
ddbaf79a	201	OUT_RING (chan, 0);
6d597027	202	BEGIN_NVC0(chan, NvSub2D, 0x0888, 1);
ddbaf79a	203	OUT_RING (chan, 1);
6d597027	204	BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
ddbaf79a	205	OUT_RING (chan, 3);
6d597027	206	BEGIN_NVC0(chan, NvSub2D, 0x02a0, 1);
ddbaf79a	207	OUT_RING (chan, 0x55);
6d597027	208	BEGIN_NVC0(chan, NvSub2D, 0x08c0, 4);
ddbaf79a BS	209	OUT_RING (chan, 0);
	210	OUT_RING (chan, 1);
	211	OUT_RING (chan, 0);
	212	OUT_RING (chan, 1);
6d597027	213	BEGIN_NVC0(chan, NvSub2D, 0x0580, 2);
ddbaf79a BS	214	OUT_RING (chan, 4);
ddbaf79a BS	215	OUT_RING (chan, format);
6d597027	216	BEGIN_NVC0(chan, NvSub2D, 0x02e8, 2);
ddbaf79a BS	217	OUT_RING (chan, 2);
	218	OUT_RING (chan, 1);
	219
6d597027	220	BEGIN_NVC0(chan, NvSub2D, 0x0804, 1);
ddbaf79a	221	OUT_RING (chan, format);
6d597027	222	BEGIN_NVC0(chan, NvSub2D, 0x0800, 1);
ddbaf79a	223	OUT_RING (chan, 1);
6d597027	224	BEGIN_NVC0(chan, NvSub2D, 0x0808, 3);
ddbaf79a BS	225	OUT_RING (chan, 0);
	226	OUT_RING (chan, 0);
	227	OUT_RING (chan, 1);
6d597027	228	BEGIN_NVC0(chan, NvSub2D, 0x081c, 1);
ddbaf79a	229	OUT_RING (chan, 1);
6d597027	230	BEGIN_NVC0(chan, NvSub2D, 0x0840, 4);
ddbaf79a BS	231	OUT_RING (chan, 0);
	232	OUT_RING (chan, 1);
	233	OUT_RING (chan, 0);
	234	OUT_RING (chan, 1);
6d597027	235	BEGIN_NVC0(chan, NvSub2D, 0x0200, 10);
ddbaf79a BS	236	OUT_RING (chan, format);
	237	OUT_RING (chan, 1);
	238	OUT_RING (chan, 0);
	239	OUT_RING (chan, 1);
	240	OUT_RING (chan, 0);
	241	OUT_RING (chan, info->fix.line_length);
	242	OUT_RING (chan, info->var.xres_virtual);
	243	OUT_RING (chan, info->var.yres_virtual);
45143cb5 BS	244	OUT_RING (chan, upper_32_bits(fb->vma.offset));
45143cb5 BS	245	OUT_RING (chan, lower_32_bits(fb->vma.offset));
6d597027	246	BEGIN_NVC0(chan, NvSub2D, 0x0230, 10);
ddbaf79a BS	247	OUT_RING (chan, format);
	248	OUT_RING (chan, 1);
	249	OUT_RING (chan, 0);
	250	OUT_RING (chan, 1);
	251	OUT_RING (chan, 0);
	252	OUT_RING (chan, info->fix.line_length);
	253	OUT_RING (chan, info->var.xres_virtual);
	254	OUT_RING (chan, info->var.yres_virtual);
45143cb5 BS	255	OUT_RING (chan, upper_32_bits(fb->vma.offset));
45143cb5 BS	256	OUT_RING (chan, lower_32_bits(fb->vma.offset));
ddbaf79a BS	257	FIRE_RING (chan);
	258
	259	return 0;
	260	}
	261