Linux-libre 4.3.2-gnu

1 files changed, 399 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
new file mode 100644
index 000000000..06fb24d88
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
@@ -0,0 +1,399 @@
+/*
+ * Copyright 2012 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 "rootnv50.h"
+#include "dmacnv50.h"
+
+#include <core/client.h>
+#include <core/ramht.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+int
+nv50_disp_root_scanoutpos(NV50_DISP_MTHD_V0)
+{
+	struct nvkm_device *device = disp->base.engine.subdev.device;
+	const u32 blanke = nvkm_rd32(device, 0x610aec + (head * 0x540));
+	const u32 blanks = nvkm_rd32(device, 0x610af4 + (head * 0x540));
+	const u32 total  = nvkm_rd32(device, 0x610afc + (head * 0x540));
+	union {
+		struct nv04_disp_scanoutpos_v0 v0;
+	} *args = data;
+	int ret;
+
+	nvif_ioctl(object, "disp scanoutpos size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(object, "disp scanoutpos vers %d\n",
+			   args->v0.version);
+		args->v0.vblanke = (blanke & 0xffff0000) >> 16;
+		args->v0.hblanke = (blanke & 0x0000ffff);
+		args->v0.vblanks = (blanks & 0xffff0000) >> 16;
+		args->v0.hblanks = (blanks & 0x0000ffff);
+		args->v0.vtotal  = ( total & 0xffff0000) >> 16;
+		args->v0.htotal  = ( total & 0x0000ffff);
+		args->v0.time[0] = ktime_to_ns(ktime_get());
+		args->v0.vline = /* vline read locks hline */
+			nvkm_rd32(device, 0x616340 + (head * 0x800)) & 0xffff;
+		args->v0.time[1] = ktime_to_ns(ktime_get());
+		args->v0.hline =
+			nvkm_rd32(device, 0x616344 + (head * 0x800)) & 0xffff;
+	} else
+		return ret;
+
+	return 0;
+}
+
+int
+nv50_disp_root_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+	union {
+		struct nv50_disp_mthd_v0 v0;
+		struct nv50_disp_mthd_v1 v1;
+	} *args = data;
+	struct nv50_disp_root *root = nv50_disp_root(object);
+	struct nv50_disp *disp = root->disp;
+	const struct nv50_disp_func *func = disp->func;
+	struct nvkm_output *outp = NULL;
+	struct nvkm_output *temp;
+	u16 type, mask = 0;
+	int head, ret;
+
+	if (mthd != NV50_DISP_MTHD)
+		return -EINVAL;
+
+	nvif_ioctl(object, "disp mthd size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, true)) {
+		nvif_ioctl(object, "disp mthd vers %d mthd %02x head %d\n",
+			   args->v0.version, args->v0.method, args->v0.head);
+		mthd = args->v0.method;
+		head = args->v0.head;
+	} else
+	if (nvif_unpack(args->v1, 1, 1, true)) {
+		nvif_ioctl(object, "disp mthd vers %d mthd %02x "
+				   "type %04x mask %04x\n",
+			   args->v1.version, args->v1.method,
+			   args->v1.hasht, args->v1.hashm);
+		mthd = args->v1.method;
+		type = args->v1.hasht;
+		mask = args->v1.hashm;
+		head = ffs((mask >> 8) & 0x0f) - 1;
+	} else
+		return ret;
+
+	if (head < 0 || head >= disp->base.head.nr)
+		return -ENXIO;
+
+	if (mask) {
+		list_for_each_entry(temp, &disp->base.outp, head) {
+			if ((temp->info.hasht         == type) &&
+			    (temp->info.hashm & mask) == mask) {
+				outp = temp;
+				break;
+			}
+		}
+		if (outp == NULL)
+			return -ENXIO;
+	}
+
+	switch (mthd) {
+	case NV50_DISP_SCANOUTPOS:
+		return func->head.scanoutpos(object, disp, data, size, head);
+	default:
+		break;
+	}
+
+	switch (mthd * !!outp) {
+	case NV50_DISP_MTHD_V1_DAC_PWR:
+		return func->dac.power(object, disp, data, size, head, outp);
+	case NV50_DISP_MTHD_V1_DAC_LOAD:
+		return func->dac.sense(object, disp, data, size, head, outp);
+	case NV50_DISP_MTHD_V1_SOR_PWR:
+		return func->sor.power(object, disp, data, size, head, outp);
+	case NV50_DISP_MTHD_V1_SOR_HDA_ELD:
+		if (!func->sor.hda_eld)
+			return -ENODEV;
+		return func->sor.hda_eld(object, disp, data, size, head, outp);
+	case NV50_DISP_MTHD_V1_SOR_HDMI_PWR:
+		if (!func->sor.hdmi)
+			return -ENODEV;
+		return func->sor.hdmi(object, disp, data, size, head, outp);
+	case NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT: {
+		union {
+			struct nv50_disp_sor_lvds_script_v0 v0;
+		} *args = data;
+		nvif_ioctl(object, "disp sor lvds script size %d\n", size);
+		if (nvif_unpack(args->v0, 0, 0, false)) {
+			nvif_ioctl(object, "disp sor lvds script "
+					   "vers %d name %04x\n",
+				   args->v0.version, args->v0.script);
+			disp->sor.lvdsconf = args->v0.script;
+			return 0;
+		} else
+			return ret;
+	}
+		break;
+	case NV50_DISP_MTHD_V1_SOR_DP_PWR: {
+		struct nvkm_output_dp *outpdp = nvkm_output_dp(outp);
+		union {
+			struct nv50_disp_sor_dp_pwr_v0 v0;
+		} *args = data;
+		nvif_ioctl(object, "disp sor dp pwr size %d\n", size);
+		if (nvif_unpack(args->v0, 0, 0, false)) {
+			nvif_ioctl(object, "disp sor dp pwr vers %d state %d\n",
+				   args->v0.version, args->v0.state);
+			if (args->v0.state == 0) {
+				nvkm_notify_put(&outpdp->irq);
+				outpdp->func->lnk_pwr(outpdp, 0);
+				atomic_set(&outpdp->lt.done, 0);
+				return 0;
+			} else
+			if (args->v0.state != 0) {
+				nvkm_output_dp_train(&outpdp->base, 0, true);
+				return 0;
+			}
+		} else
+			return ret;
+	}
+		break;
+	case NV50_DISP_MTHD_V1_PIOR_PWR:
+		if (!func->pior.power)
+			return -ENODEV;
+		return func->pior.power(object, disp, data, size, head, outp);
+	default:
+		break;
+	}
+
+	return -EINVAL;
+}
+
+static int
+nv50_disp_root_dmac_new_(const struct nvkm_oclass *oclass,
+			 void *data, u32 size, struct nvkm_object **pobject)
+{
+	const struct nv50_disp_dmac_oclass *sclass = oclass->priv;
+	struct nv50_disp_root *root = nv50_disp_root(oclass->parent);
+	return sclass->ctor(sclass->func, sclass->mthd, root, sclass->chid,
+			    oclass, data, size, pobject);
+}
+
+static int
+nv50_disp_root_pioc_new_(const struct nvkm_oclass *oclass,
+			 void *data, u32 size, struct nvkm_object **pobject)
+{
+	const struct nv50_disp_pioc_oclass *sclass = oclass->priv;
+	struct nv50_disp_root *root = nv50_disp_root(oclass->parent);
+	return sclass->ctor(sclass->func, sclass->mthd, root, sclass->chid,
+			    oclass, data, size, pobject);
+}
+
+static int
+nv50_disp_root_child_get_(struct nvkm_object *object, int index,
+			  struct nvkm_oclass *sclass)
+{
+	struct nv50_disp_root *root = nv50_disp_root(object);
+
+	if (index < ARRAY_SIZE(root->func->dmac)) {
+		sclass->base = root->func->dmac[index]->base;
+		sclass->priv = root->func->dmac[index];
+		sclass->ctor = nv50_disp_root_dmac_new_;
+		return 0;
+	}
+
+	index -= ARRAY_SIZE(root->func->dmac);
+
+	if (index < ARRAY_SIZE(root->func->pioc)) {
+		sclass->base = root->func->pioc[index]->base;
+		sclass->priv = root->func->pioc[index];
+		sclass->ctor = nv50_disp_root_pioc_new_;
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static int
+nv50_disp_root_fini_(struct nvkm_object *object, bool suspend)
+{
+	struct nv50_disp_root *root = nv50_disp_root(object);
+	root->func->fini(root);
+	return 0;
+}
+
+static int
+nv50_disp_root_init_(struct nvkm_object *object)
+{
+	struct nv50_disp_root *root = nv50_disp_root(object);
+	return root->func->init(root);
+}
+
+static void *
+nv50_disp_root_dtor_(struct nvkm_object *object)
+{
+	struct nv50_disp_root *root = nv50_disp_root(object);
+	nvkm_ramht_del(&root->ramht);
+	nvkm_gpuobj_del(&root->instmem);
+	return root;
+}
+
+static const struct nvkm_object_func
+nv50_disp_root_ = {
+	.dtor = nv50_disp_root_dtor_,
+	.init = nv50_disp_root_init_,
+	.fini = nv50_disp_root_fini_,
+	.mthd = nv50_disp_root_mthd_,
+	.ntfy = nvkm_disp_ntfy,
+	.sclass = nv50_disp_root_child_get_,
+};
+
+int
+nv50_disp_root_new_(const struct nv50_disp_root_func *func,
+		    struct nvkm_disp *base, const struct nvkm_oclass *oclass,
+		    void *data, u32 size, struct nvkm_object **pobject)
+{
+	struct nv50_disp *disp = nv50_disp(base);
+	struct nv50_disp_root *root;
+	struct nvkm_device *device = disp->base.engine.subdev.device;
+	int ret;
+
+	if (!(root = kzalloc(sizeof(*root), GFP_KERNEL)))
+		return -ENOMEM;
+	*pobject = &root->object;
+
+	nvkm_object_ctor(&nv50_disp_root_, oclass, &root->object);
+	root->func = func;
+	root->disp = disp;
+
+	ret = nvkm_gpuobj_new(disp->base.engine.subdev.device, 0x10000, 0x10000,
+			      false, NULL, &root->instmem);
+	if (ret)
+		return ret;
+
+	return nvkm_ramht_new(device, 0x1000, 0, root->instmem, &root->ramht);
+}
+
+void
+nv50_disp_root_fini(struct nv50_disp_root *root)
+{
+	struct nvkm_device *device = root->disp->base.engine.subdev.device;
+	/* disable all interrupts */
+	nvkm_wr32(device, 0x610024, 0x00000000);
+	nvkm_wr32(device, 0x610020, 0x00000000);
+}
+
+int
+nv50_disp_root_init(struct nv50_disp_root *root)
+{
+	struct nv50_disp *disp = root->disp;
+	struct nvkm_device *device = disp->base.engine.subdev.device;
+	u32 tmp;
+	int i;
+
+	/* The below segments of code copying values from one register to
+	 * another appear to inform EVO of the display capabilities or
+	 * something similar.  NFI what the 0x614004 caps are for..
+	 */
+	tmp = nvkm_rd32(device, 0x614004);
+	nvkm_wr32(device, 0x610184, tmp);
+
+	/* ... CRTC caps */
+	for (i = 0; i < disp->base.head.nr; i++) {
+		tmp = nvkm_rd32(device, 0x616100 + (i * 0x800));
+		nvkm_wr32(device, 0x610190 + (i * 0x10), tmp);
+		tmp = nvkm_rd32(device, 0x616104 + (i * 0x800));
+		nvkm_wr32(device, 0x610194 + (i * 0x10), tmp);
+		tmp = nvkm_rd32(device, 0x616108 + (i * 0x800));
+		nvkm_wr32(device, 0x610198 + (i * 0x10), tmp);
+		tmp = nvkm_rd32(device, 0x61610c + (i * 0x800));
+		nvkm_wr32(device, 0x61019c + (i * 0x10), tmp);
+	}
+
+	/* ... DAC caps */
+	for (i = 0; i < disp->func->dac.nr; i++) {
+		tmp = nvkm_rd32(device, 0x61a000 + (i * 0x800));
+		nvkm_wr32(device, 0x6101d0 + (i * 0x04), tmp);
+	}
+
+	/* ... SOR caps */
+	for (i = 0; i < disp->func->sor.nr; i++) {
+		tmp = nvkm_rd32(device, 0x61c000 + (i * 0x800));
+		nvkm_wr32(device, 0x6101e0 + (i * 0x04), tmp);
+	}
+
+	/* ... PIOR caps */
+	for (i = 0; i < disp->func->pior.nr; i++) {
+		tmp = nvkm_rd32(device, 0x61e000 + (i * 0x800));
+		nvkm_wr32(device, 0x6101f0 + (i * 0x04), tmp);
+	}
+
+	/* steal display away from vbios, or something like that */
+	if (nvkm_rd32(device, 0x610024) & 0x00000100) {
+		nvkm_wr32(device, 0x610024, 0x00000100);
+		nvkm_mask(device, 0x6194e8, 0x00000001, 0x00000000);
+		if (nvkm_msec(device, 2000,
+			if (!(nvkm_rd32(device, 0x6194e8) & 0x00000002))
+				break;
+		) < 0)
+			return -EBUSY;
+	}
+
+	/* point at display engine memory area (hash table, objects) */
+	nvkm_wr32(device, 0x610010, (root->instmem->addr >> 8) | 9);
+
+	/* enable supervisor interrupts, disable everything else */
+	nvkm_wr32(device, 0x61002c, 0x00000370);
+	nvkm_wr32(device, 0x610028, 0x00000000);
+	return 0;
+}
+
+static const struct nv50_disp_root_func
+nv50_disp_root = {
+	.init = nv50_disp_root_init,
+	.fini = nv50_disp_root_fini,
+	.dmac = {
+		&nv50_disp_core_oclass,
+		&nv50_disp_base_oclass,
+		&nv50_disp_ovly_oclass,
+	},
+	.pioc = {
+		&nv50_disp_oimm_oclass,
+		&nv50_disp_curs_oclass,
+	},
+};
+
+static int
+nv50_disp_root_new(struct nvkm_disp *disp, const struct nvkm_oclass *oclass,
+		   void *data, u32 size, struct nvkm_object **pobject)
+{
+	return nv50_disp_root_new_(&nv50_disp_root, disp, oclass,
+				   data, size, pobject);
+}
+
+const struct nvkm_disp_oclass
+nv50_disp_root_oclass = {
+	.base.oclass = NV50_DISP,
+	.base.minver = -1,
+	.base.maxver = -1,
+	.ctor = nv50_disp_root_new,
+};