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path: root/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c170
1 files changed, 170 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
new file mode 100644
index 000000000000..2a1d8871bf82
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/piornv50.c
@@ -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;
+}