Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / disp / piornv50.c
diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
new file mode 100644 (file)
index 0000000..2a1d887
--- /dev/null
@@ -0,0 +1,170 @@
+/*
+ * 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 "nv50.h"
+#include "outpdp.h"
+
+#include <core/client.h>
+#include <subdev/i2c.h>
+#include <subdev/timer.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+/******************************************************************************
+ * TMDS
+ *****************************************************************************/
+
+static int
+nv50_pior_tmds_ctor(struct nvkm_object *parent,
+                   struct nvkm_object *engine,
+                   struct nvkm_oclass *oclass, void *info, u32 index,
+                   struct nvkm_object **pobject)
+{
+       struct nvkm_i2c *i2c = nvkm_i2c(parent);
+       struct nvkm_output *outp;
+       int ret;
+
+       ret = nvkm_output_create(parent, engine, oclass, info, index, &outp);
+       *pobject = nv_object(outp);
+       if (ret)
+               return ret;
+
+       outp->edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTDDC(outp->info.extdev));
+       return 0;
+}
+
+struct nvkm_output_impl
+nv50_pior_tmds_impl = {
+       .base.handle = DCB_OUTPUT_TMDS | 0x0100,
+       .base.ofuncs = &(struct nvkm_ofuncs) {
+               .ctor = nv50_pior_tmds_ctor,
+               .dtor = _nvkm_output_dtor,
+               .init = _nvkm_output_init,
+               .fini = _nvkm_output_fini,
+       },
+};
+
+/******************************************************************************
+ * DisplayPort
+ *****************************************************************************/
+
+static int
+nv50_pior_dp_pattern(struct nvkm_output_dp *outp, int pattern)
+{
+       struct nvkm_i2c_port *port = outp->base.edid;
+       if (port && port->func->pattern)
+               return port->func->pattern(port, pattern);
+       return port ? 0 : -ENODEV;
+}
+
+static int
+nv50_pior_dp_lnk_pwr(struct nvkm_output_dp *outp, int nr)
+{
+       return 0;
+}
+
+static int
+nv50_pior_dp_lnk_ctl(struct nvkm_output_dp *outp, int nr, int bw, bool ef)
+{
+       struct nvkm_i2c_port *port = outp->base.edid;
+       if (port && port->func->lnk_ctl)
+               return port->func->lnk_ctl(port, nr, bw, ef);
+       return port ? 0 : -ENODEV;
+}
+
+static int
+nv50_pior_dp_drv_ctl(struct nvkm_output_dp *outp, int ln, int vs, int pe, int pc)
+{
+       struct nvkm_i2c_port *port = outp->base.edid;
+       if (port && port->func->drv_ctl)
+               return port->func->drv_ctl(port, ln, vs, pe);
+       return port ? 0 : -ENODEV;
+}
+
+static int
+nv50_pior_dp_ctor(struct nvkm_object *parent,
+                 struct nvkm_object *engine,
+                 struct nvkm_oclass *oclass, void *info, u32 index,
+                 struct nvkm_object **pobject)
+{
+       struct nvkm_i2c *i2c = nvkm_i2c(parent);
+       struct nvkm_output_dp *outp;
+       int ret;
+
+       ret = nvkm_output_dp_create(parent, engine, oclass, info, index, &outp);
+       *pobject = nv_object(outp);
+       if (ret)
+               return ret;
+
+       outp->base.edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(
+                                        outp->base.info.extdev));
+       return 0;
+}
+
+struct nvkm_output_dp_impl
+nv50_pior_dp_impl = {
+       .base.base.handle = DCB_OUTPUT_DP | 0x0010,
+       .base.base.ofuncs = &(struct nvkm_ofuncs) {
+               .ctor = nv50_pior_dp_ctor,
+               .dtor = _nvkm_output_dp_dtor,
+               .init = _nvkm_output_dp_init,
+               .fini = _nvkm_output_dp_fini,
+       },
+       .pattern = nv50_pior_dp_pattern,
+       .lnk_pwr = nv50_pior_dp_lnk_pwr,
+       .lnk_ctl = nv50_pior_dp_lnk_ctl,
+       .drv_ctl = nv50_pior_dp_drv_ctl,
+};
+
+/******************************************************************************
+ * General PIOR handling
+ *****************************************************************************/
+
+int
+nv50_pior_power(NV50_DISP_MTHD_V1)
+{
+       const u32 soff = outp->or * 0x800;
+       union {
+               struct nv50_disp_pior_pwr_v0 v0;
+       } *args = data;
+       u32 ctrl, type;
+       int ret;
+
+       nv_ioctl(object, "disp pior pwr size %d\n", size);
+       if (nvif_unpack(args->v0, 0, 0, false)) {
+               nv_ioctl(object, "disp pior pwr vers %d state %d type %x\n",
+                        args->v0.version, args->v0.state, args->v0.type);
+               if (args->v0.type > 0x0f)
+                       return -EINVAL;
+               ctrl = !!args->v0.state;
+               type = args->v0.type;
+       } else
+               return ret;
+
+       nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
+       nv_mask(priv, 0x61e004 + soff, 0x80000101, 0x80000000 | ctrl);
+       nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
+       priv->pior.type[outp->or] = type;
+       return 0;
+}