These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / disp / rootnv50.c
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
new file mode 100644 (file)
index 0000000..06fb24d
--- /dev/null
@@ -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,
+};