drivers/gpu/drm/nouveau/dispnv50/base507c.c - third_party/linux - Git at Google

 /*
  * Copyright 2018 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.
  */
 #include "base.h"

 #include <nvif/cl507c.h>
 #include <nvif/event.h>

 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_plane_helper.h>
 #include "nouveau_bo.h"

 void
 base507c_update(struct nv50_wndw *wndw, u32 *interlock)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 2))) {
 		evo_mthd(push, 0x0080, 1);
 		evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 void
 base507c_image_clr(struct nv50_wndw *wndw)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 4))) {
 		evo_mthd(push, 0x0084, 1);
 		evo_data(push, 0x00000000);
 		evo_mthd(push, 0x00c0, 1);
 		evo_data(push, 0x00000000);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 static void
 base507c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 10))) {
 		evo_mthd(push, 0x0084, 1);
 		evo_data(push, asyw->image.mode << 8 |
 			       asyw->image.interval << 4);
 		evo_mthd(push, 0x00c0, 1);
 		evo_data(push, asyw->image.handle[0]);
 		evo_mthd(push, 0x0800, 5);
 		evo_data(push, asyw->image.offset[0] >> 8);
 		evo_data(push, 0x00000000);
 		evo_data(push, asyw->image.h << 16 | asyw->image.w);
 		evo_data(push, asyw->image.layout << 20 |
 			       (asyw->image.pitch[0] >> 8) << 8 |
 			       asyw->image.blocks[0] << 8 |
 			       asyw->image.blockh);
 		evo_data(push, asyw->image.kind << 16 |
 			       asyw->image.format << 8);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 void
 base507c_xlut_clr(struct nv50_wndw *wndw)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 2))) {
 		evo_mthd(push, 0x00e0, 1);
 		evo_data(push, 0x00000000);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 void
 base507c_xlut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 2))) {
 		evo_mthd(push, 0x00e0, 1);
 		evo_data(push, 0x40000000);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 int
 base507c_ntfy_wait_begun(struct nouveau_bo *bo, u32 offset,
 			 struct nvif_device *device)
 {
 	s64 time = nvif_msec(device, 2000ULL,
 		u32 data = nouveau_bo_rd32(bo, offset / 4);
 		if ((data & 0xc0000000) == 0x40000000)
 			break;
 		usleep_range(1, 2);
 	);
 	return time < 0 ? time : 0;
 }

 void
 base507c_ntfy_clr(struct nv50_wndw *wndw)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 2))) {
 		evo_mthd(push, 0x00a4, 1);
 		evo_data(push, 0x00000000);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 void
 base507c_ntfy_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 3))) {
 		evo_mthd(push, 0x00a0, 2);
 		evo_data(push, asyw->ntfy.awaken << 30 | asyw->ntfy.offset);
 		evo_data(push, asyw->ntfy.handle);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 void
 base507c_ntfy_reset(struct nouveau_bo *bo, u32 offset)
 {
 	nouveau_bo_wr32(bo, offset / 4, 0x00000000);
 }

 void
 base507c_sema_clr(struct nv50_wndw *wndw)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 2))) {
 		evo_mthd(push, 0x0094, 1);
 		evo_data(push, 0x00000000);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 void
 base507c_sema_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
 {
 	u32 *push;
 	if ((push = evo_wait(&wndw->wndw, 5))) {
 		evo_mthd(push, 0x0088, 4);
 		evo_data(push, asyw->sema.offset);
 		evo_data(push, asyw->sema.acquire);
 		evo_data(push, asyw->sema.release);
 		evo_data(push, asyw->sema.handle);
 		evo_kick(push, &wndw->wndw);
 	}
 }

 void
 base507c_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
 		 struct nv50_head_atom *asyh)
 {
 	asyh->base.cpp = 0;
 }

 int
 base507c_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
 		 struct nv50_head_atom *asyh)
 {
 	const struct drm_framebuffer *fb = asyw->state.fb;
 	int ret;

 	if (!fb->format->depth)
 		return -EINVAL;

 	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  false, true);
 	if (ret)
 		return ret;

 	if (!wndw->func->ilut) {
 		if ((asyh->base.cpp != 1) ^ (fb->format->cpp[0] != 1))
 			asyh->state.color_mgmt_changed = true;
 	}

 	asyh->base.depth = fb->format->depth;
 	asyh->base.cpp = fb->format->cpp[0];
 	asyh->base.x = asyw->state.src.x1 >> 16;
 	asyh->base.y = asyw->state.src.y1 >> 16;
 	asyh->base.w = asyw->state.fb->width;
 	asyh->base.h = asyw->state.fb->height;
 	return 0;
 }

 const u32
 base507c_format[] = {
 	DRM_FORMAT_C8,
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_XRGB1555,
 	DRM_FORMAT_ARGB1555,
 	DRM_FORMAT_XRGB8888,
 	DRM_FORMAT_ARGB8888,
 	DRM_FORMAT_XBGR2101010,
 	DRM_FORMAT_ABGR2101010,
 	DRM_FORMAT_XBGR8888,
 	DRM_FORMAT_ABGR8888,
 	0
 };

 static const struct nv50_wndw_func
 base507c = {
 	.acquire = base507c_acquire,
 	.release = base507c_release,
 	.sema_set = base507c_sema_set,
 	.sema_clr = base507c_sema_clr,
 	.ntfy_reset = base507c_ntfy_reset,
 	.ntfy_set = base507c_ntfy_set,
 	.ntfy_clr = base507c_ntfy_clr,
 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
 	.olut_core = 1,
 	.xlut_set = base507c_xlut_set,
 	.xlut_clr = base507c_xlut_clr,
 	.image_set = base507c_image_set,
 	.image_clr = base507c_image_clr,
 	.update = base507c_update,
 };

 int
 base507c_new_(const struct nv50_wndw_func *func, const u32 *format,
 	      struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
 	      struct nv50_wndw **pwndw)
 {
 	struct nv50_disp_base_channel_dma_v0 args = {
 		.head = head,
 	};
 	struct nv50_disp *disp = nv50_disp(drm->dev);
 	struct nv50_wndw *wndw;
 	int ret;

 	ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_PRIMARY,
 			     "base", head, format, BIT(head),
 			     NV50_DISP_INTERLOCK_BASE, interlock_data, &wndw);
 	if (*pwndw = wndw, ret)
 		return ret;

 	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
 			       &oclass, head, &args, sizeof(args),
 			       disp->sync->bo.offset, &wndw->wndw);
 	if (ret) {
 		NV_ERROR(drm, "base%04x allocation failed: %d\n", oclass, ret);
 		return ret;
 	}

 	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func,
 			       false, NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT,
 			       &(struct nvif_notify_uevent_req) {},
 			       sizeof(struct nvif_notify_uevent_req),
 			       sizeof(struct nvif_notify_uevent_rep),
 			       &wndw->notify);
 	if (ret)
 		return ret;

 	wndw->ntfy = NV50_DISP_BASE_NTFY(wndw->id);
 	wndw->sema = NV50_DISP_BASE_SEM0(wndw->id);
 	wndw->data = 0x00000000;
 	return 0;
 }

 int
 base507c_new(struct nouveau_drm *drm, int head, s32 oclass,
 	     struct nv50_wndw **pwndw)
 {
 	return base507c_new_(&base507c, base507c_format, drm, head, oclass,
 			     0x00000002 << (head * 8), pwndw);
 }
	/*
	* Copyright 2018 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.
	*/
	#include "base.h"

	#include <nvif/cl507c.h>
	#include <nvif/event.h>

	#include <drm/drm_atomic_helper.h>
	#include <drm/drm_plane_helper.h>
	#include "nouveau_bo.h"

	void
	base507c_update(struct nv50_wndw wndw, u32 interlock)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 2))) {
	evo_mthd(push, 0x0080, 1);
	evo_data(push, interlock[NV50_DISP_INTERLOCK_CORE]);
	evo_kick(push, &wndw->wndw);
	}
	}

	void
	base507c_image_clr(struct nv50_wndw *wndw)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 4))) {
	evo_mthd(push, 0x0084, 1);
	evo_data(push, 0x00000000);
	evo_mthd(push, 0x00c0, 1);
	evo_data(push, 0x00000000);
	evo_kick(push, &wndw->wndw);
	}
	}

	static void
	base507c_image_set(struct nv50_wndw wndw, struct nv50_wndw_atom asyw)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 10))) {
	evo_mthd(push, 0x0084, 1);
	evo_data(push, asyw->image.mode << 8 \|
	asyw->image.interval << 4);
	evo_mthd(push, 0x00c0, 1);
	evo_data(push, asyw->image.handle[0]);
	evo_mthd(push, 0x0800, 5);
	evo_data(push, asyw->image.offset[0] >> 8);
	evo_data(push, 0x00000000);
	evo_data(push, asyw->image.h << 16 \| asyw->image.w);
	evo_data(push, asyw->image.layout << 20 \|
	(asyw->image.pitch[0] >> 8) << 8 \|
	asyw->image.blocks[0] << 8 \|
	asyw->image.blockh);
	evo_data(push, asyw->image.kind << 16 \|
	asyw->image.format << 8);
	evo_kick(push, &wndw->wndw);
	}
	}

	void
	base507c_xlut_clr(struct nv50_wndw *wndw)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 2))) {
	evo_mthd(push, 0x00e0, 1);
	evo_data(push, 0x00000000);
	evo_kick(push, &wndw->wndw);
	}
	}

	void
	base507c_xlut_set(struct nv50_wndw wndw, struct nv50_wndw_atom asyw)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 2))) {
	evo_mthd(push, 0x00e0, 1);
	evo_data(push, 0x40000000);
	evo_kick(push, &wndw->wndw);
	}
	}

	int
	base507c_ntfy_wait_begun(struct nouveau_bo *bo, u32 offset,
	struct nvif_device *device)
	{
	s64 time = nvif_msec(device, 2000ULL,
	u32 data = nouveau_bo_rd32(bo, offset / 4);
	if ((data & 0xc0000000) == 0x40000000)
	break;
	usleep_range(1, 2);
	);
	return time < 0 ? time : 0;
	}

	void
	base507c_ntfy_clr(struct nv50_wndw *wndw)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 2))) {
	evo_mthd(push, 0x00a4, 1);
	evo_data(push, 0x00000000);
	evo_kick(push, &wndw->wndw);
	}
	}

	void
	base507c_ntfy_set(struct nv50_wndw wndw, struct nv50_wndw_atom asyw)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 3))) {
	evo_mthd(push, 0x00a0, 2);
	evo_data(push, asyw->ntfy.awaken << 30 \| asyw->ntfy.offset);
	evo_data(push, asyw->ntfy.handle);
	evo_kick(push, &wndw->wndw);
	}
	}

	void
	base507c_ntfy_reset(struct nouveau_bo *bo, u32 offset)
	{
	nouveau_bo_wr32(bo, offset / 4, 0x00000000);
	}

	void
	base507c_sema_clr(struct nv50_wndw *wndw)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 2))) {
	evo_mthd(push, 0x0094, 1);
	evo_data(push, 0x00000000);
	evo_kick(push, &wndw->wndw);
	}
	}

	void
	base507c_sema_set(struct nv50_wndw wndw, struct nv50_wndw_atom asyw)
	{
	u32 *push;
	if ((push = evo_wait(&wndw->wndw, 5))) {
	evo_mthd(push, 0x0088, 4);
	evo_data(push, asyw->sema.offset);
	evo_data(push, asyw->sema.acquire);
	evo_data(push, asyw->sema.release);
	evo_data(push, asyw->sema.handle);
	evo_kick(push, &wndw->wndw);
	}
	}

	void
	base507c_release(struct nv50_wndw wndw, struct nv50_wndw_atom asyw,
	struct nv50_head_atom *asyh)
	{
	asyh->base.cpp = 0;
	}

	int
	base507c_acquire(struct nv50_wndw wndw, struct nv50_wndw_atom asyw,
	struct nv50_head_atom *asyh)
	{
	const struct drm_framebuffer *fb = asyw->state.fb;
	int ret;

	if (!fb->format->depth)
	return -EINVAL;

	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
	DRM_PLANE_HELPER_NO_SCALING,
	DRM_PLANE_HELPER_NO_SCALING,
	false, true);
	if (ret)
	return ret;

	if (!wndw->func->ilut) {
	if ((asyh->base.cpp != 1) ^ (fb->format->cpp[0] != 1))
	asyh->state.color_mgmt_changed = true;
	}

	asyh->base.depth = fb->format->depth;
	asyh->base.cpp = fb->format->cpp[0];
	asyh->base.x = asyw->state.src.x1 >> 16;
	asyh->base.y = asyw->state.src.y1 >> 16;
	asyh->base.w = asyw->state.fb->width;
	asyh->base.h = asyw->state.fb->height;
	return 0;
	}

	const u32
	base507c_format[] = {
	DRM_FORMAT_C8,
	DRM_FORMAT_RGB565,
	DRM_FORMAT_XRGB1555,
	DRM_FORMAT_ARGB1555,
	DRM_FORMAT_XRGB8888,
	DRM_FORMAT_ARGB8888,
	DRM_FORMAT_XBGR2101010,
	DRM_FORMAT_ABGR2101010,
	DRM_FORMAT_XBGR8888,
	DRM_FORMAT_ABGR8888,
	0
	};

	static const struct nv50_wndw_func
	base507c = {
	.acquire = base507c_acquire,
	.release = base507c_release,
	.sema_set = base507c_sema_set,
	.sema_clr = base507c_sema_clr,
	.ntfy_reset = base507c_ntfy_reset,
	.ntfy_set = base507c_ntfy_set,
	.ntfy_clr = base507c_ntfy_clr,
	.ntfy_wait_begun = base507c_ntfy_wait_begun,
	.olut_core = 1,
	.xlut_set = base507c_xlut_set,
	.xlut_clr = base507c_xlut_clr,
	.image_set = base507c_image_set,
	.image_clr = base507c_image_clr,
	.update = base507c_update,
	};

	int
	base507c_new_(const struct nv50_wndw_func func, const u32 format,
	struct nouveau_drm *drm, int head, s32 oclass, u32 interlock_data,
	struct nv50_wndw **pwndw)
	{
	struct nv50_disp_base_channel_dma_v0 args = {
	.head = head,
	};
	struct nv50_disp *disp = nv50_disp(drm->dev);
	struct nv50_wndw *wndw;
	int ret;

	ret = nv50_wndw_new_(func, drm->dev, DRM_PLANE_TYPE_PRIMARY,
	"base", head, format, BIT(head),
	NV50_DISP_INTERLOCK_BASE, interlock_data, &wndw);
	if (*pwndw = wndw, ret)
	return ret;

	ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
	&oclass, head, &args, sizeof(args),
	disp->sync->bo.offset, &wndw->wndw);
	if (ret) {
	NV_ERROR(drm, "base%04x allocation failed: %d\n", oclass, ret);
	return ret;
	}

	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func,
	false, NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT,
	&(struct nvif_notify_uevent_req) {},
	sizeof(struct nvif_notify_uevent_req),
	sizeof(struct nvif_notify_uevent_rep),
	&wndw->notify);
	if (ret)
	return ret;

	wndw->ntfy = NV50_DISP_BASE_NTFY(wndw->id);
	wndw->sema = NV50_DISP_BASE_SEM0(wndw->id);
	wndw->data = 0x00000000;
	return 0;
	}

	int
	base507c_new(struct nouveau_drm *drm, int head, s32 oclass,
	struct nv50_wndw **pwndw)
	{
	return base507c_new_(&base507c, base507c_format, drm, head, oclass,
	0x00000002 << (head * 8), pwndw);
	}