drm/nouveau/disp/dp: create subclass for dp outputs

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

16 files changed, 265 insertions, 9 deletions

diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index de2eada..2b6156d 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -224,6 +224,7 @@ nouveau-y += core/engine/device/gm100.o
 nouveau-y += core/engine/disp/base.o
 nouveau-y += core/engine/disp/conn.o
 nouveau-y += core/engine/disp/outp.o
+nouveau-y += core/engine/disp/outpdp.o
 nouveau-y += core/engine/disp/nv04.o
 nouveau-y += core/engine/disp/nv50.o
 nouveau-y += core/engine/disp/nv84.o
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/gm107.c b/drivers/gpu/drm/nouveau/core/engine/disp/gm107.c
index cf6f596..a5b0ad6 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/gm107.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/gm107.c
@@ -94,6 +94,7 @@ gm107_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nvd0_disp_outp_sclass,
 	.mthd.core = &nve0_disp_mast_mthd_chan,
 	.mthd.base = &nvd0_disp_sync_mthd_chan,
 	.mthd.ovly = &nve0_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 2956c13..bba9d4d 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -1661,6 +1661,12 @@ nv50_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 }
 
 struct nouveau_oclass *
+nv50_disp_outp_sclass[] = {
+	&nv50_pior_dp_impl.base.base,
+	NULL
+};
+
+struct nouveau_oclass *
 nv50_disp_oclass = &(struct nv50_disp_impl) {
 	.base.base.handle = NV_ENGINE(DISP, 0x50),
 	.base.base.ofuncs = &(struct nouveau_ofuncs) {
@@ -1669,6 +1675,7 @@ nv50_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nv50_disp_outp_sclass,
 	.mthd.core = &nv50_disp_mast_mthd_chan,
 	.mthd.base = &nv50_disp_sync_mthd_chan,
 	.mthd.ovly = &nv50_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
index 24cb180f..d5468a6 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
@@ -12,6 +12,7 @@
 #include "dport.h"
 #include "priv.h"
 #include "outp.h"
+#include "outpdp.h"
 
 struct nv50_disp_impl {
 	struct nouveau_disp_impl base;
@@ -200,4 +201,13 @@ void nvd0_disp_intr(struct nouveau_subdev *);
 extern const struct nv50_disp_mthd_chan nve0_disp_mast_mthd_chan;
 extern const struct nv50_disp_mthd_chan nve0_disp_ovly_mthd_chan;
 
+extern struct nvkm_output_dp_impl nv50_pior_dp_impl;
+extern struct nouveau_oclass *nv50_disp_outp_sclass[];
+
+extern struct nvkm_output_dp_impl nv94_sor_dp_impl;
+extern struct nouveau_oclass *nv94_disp_outp_sclass[];
+
+extern struct nvkm_output_dp_impl nvd0_sor_dp_impl;
+extern struct nouveau_oclass *nvd0_disp_outp_sclass[];
+
 #endif
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
index 98c5b19..436f0a5 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
@@ -277,6 +277,7 @@ nv84_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nv50_disp_outp_sclass,
 	.mthd.core = &nv84_disp_mast_mthd_chan,
 	.mthd.base = &nv84_disp_sync_mthd_chan,
 	.mthd.ovly = &nv84_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c
index 6844061..14f5314 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c
@@ -129,6 +129,13 @@ nv94_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 }
 
 struct nouveau_oclass *
+nv94_disp_outp_sclass[] = {
+	&nv50_pior_dp_impl.base.base,
+	&nv94_sor_dp_impl.base.base,
+	NULL
+};
+
+struct nouveau_oclass *
 nv94_disp_oclass = &(struct nv50_disp_impl) {
 	.base.base.handle = NV_ENGINE(DISP, 0x88),
 	.base.base.ofuncs = &(struct nouveau_ofuncs) {
@@ -137,6 +144,7 @@ nv94_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nv94_disp_outp_sclass,
 	.mthd.core = &nv94_disp_mast_mthd_chan,
 	.mthd.base = &nv84_disp_sync_mthd_chan,
 	.mthd.ovly = &nv84_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c
index 88c9624..b892620 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c
@@ -139,6 +139,7 @@ nva0_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nv50_disp_outp_sclass,
 	.mthd.core = &nv84_disp_mast_mthd_chan,
 	.mthd.base = &nv84_disp_sync_mthd_chan,
 	.mthd.ovly = &nva0_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
index 46cb2ce..aae561f 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
@@ -111,6 +111,7 @@ nva3_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nv94_disp_outp_sclass,
 	.mthd.core = &nv94_disp_mast_mthd_chan,
 	.mthd.base = &nv84_disp_sync_mthd_chan,
 	.mthd.ovly = &nv84_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
index 7bf54e8..e5f5e42 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -1357,6 +1357,12 @@ nvd0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 }
 
 struct nouveau_oclass *
+nvd0_disp_outp_sclass[] = {
+	&nvd0_sor_dp_impl.base.base,
+	NULL
+};
+
+struct nouveau_oclass *
 nvd0_disp_oclass = &(struct nv50_disp_impl) {
 	.base.base.handle = NV_ENGINE(DISP, 0x90),
 	.base.base.ofuncs = &(struct nouveau_ofuncs) {
@@ -1365,6 +1371,7 @@ nvd0_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nvd0_disp_outp_sclass,
 	.mthd.core = &nvd0_disp_mast_mthd_chan,
 	.mthd.base = &nvd0_disp_sync_mthd_chan,
 	.mthd.ovly = &nvd0_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c
index 44e0b8f..90f79be 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c
@@ -259,6 +259,7 @@ nve0_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nvd0_disp_outp_sclass,
 	.mthd.core = &nve0_disp_mast_mthd_chan,
 	.mthd.base = &nvd0_disp_sync_mthd_chan,
 	.mthd.ovly = &nve0_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c
index 482585d..25a18df 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvf0.c
@@ -94,6 +94,7 @@ nvf0_disp_oclass = &(struct nv50_disp_impl) {
 		.init = _nouveau_disp_init,
 		.fini = _nouveau_disp_fini,
 	},
+	.base.outp =  nvd0_disp_outp_sclass,
 	.mthd.core = &nve0_disp_mast_mthd_chan,
 	.mthd.base = &nvd0_disp_sync_mthd_chan,
 	.mthd.ovly = &nve0_disp_ovly_mthd_chan,
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c b/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c
new file mode 100644
index 0000000..ea6483d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright 2014 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 <subdev/i2c.h>
+
+#include "outpdp.h"
+#include "conn.h"
+
+static int
+nvkm_output_dp_service(void *data, u32 type, int index)
+{
+	struct nvkm_output_dp *outp = data;
+	DBG("IRQ: %d\n", type);
+	return NVKM_EVENT_KEEP;
+}
+
+static int
+nvkm_output_dp_hotplug(void *data, u32 type, int index)
+{
+	struct nvkm_output_dp *outp = data;
+	DBG("HPD: %d\n", type);
+	return NVKM_EVENT_KEEP;
+}
+
+int
+_nvkm_output_dp_fini(struct nouveau_object *object, bool suspend)
+{
+	struct nvkm_output_dp *outp = (void *)object;
+	nouveau_event_put(outp->irq);
+	return nvkm_output_fini(&outp->base, suspend);
+}
+
+int
+_nvkm_output_dp_init(struct nouveau_object *object)
+{
+	struct nvkm_output_dp *outp = (void *)object;
+	return nvkm_output_init(&outp->base);
+}
+
+void
+_nvkm_output_dp_dtor(struct nouveau_object *object)
+{
+	struct nvkm_output_dp *outp = (void *)object;
+	nouveau_event_ref(NULL, &outp->irq);
+	nvkm_output_destroy(&outp->base);
+}
+
+int
+nvkm_output_dp_create_(struct nouveau_object *parent,
+		       struct nouveau_object *engine,
+		       struct nouveau_oclass *oclass,
+		       struct dcb_output *info, int index,
+		       int length, void **pobject)
+{
+	struct nouveau_bios *bios = nouveau_bios(parent);
+	struct nouveau_i2c *i2c = nouveau_i2c(parent);
+	struct nvkm_output_dp *outp;
+	u8  hdr, cnt, len;
+	u32 data;
+	int ret;
+
+	ret = nvkm_output_create_(parent, engine, oclass, info, index,
+				  length, pobject);
+	outp = *pobject;
+	if (ret)
+		return ret;
+
+	nouveau_event_ref(NULL, &outp->base.conn->hpd.event);
+
+	/* access to the aux channel is not optional... */
+	if (!outp->base.edid) {
+		ERR("aux channel not found\n");
+		return -ENODEV;
+	}
+
+	/* nor is the bios data for this output... */
+	data = nvbios_dpout_match(bios, outp->base.info.hasht,
+				  outp->base.info.hashm, &outp->version,
+				  &hdr, &cnt, &len, &outp->info);
+	if (!data) {
+		ERR("no bios dp data\n");
+		return -ENODEV;
+	}
+
+	DBG("bios dp %02x %02x %02x %02x\n", outp->version, hdr, cnt, len);
+
+	/* link maintenance */
+	ret = nouveau_event_new(i2c->ntfy, NVKM_I2C_IRQ, outp->base.edid->index,
+				nvkm_output_dp_service, outp, &outp->irq);
+	if (ret) {
+		ERR("error monitoring aux irq event: %d\n", ret);
+		return ret;
+	}
+
+	/* hotplug detect, replaces gpio-based mechanism with aux events */
+	ret = nouveau_event_new(i2c->ntfy, NVKM_I2C_PLUG | NVKM_I2C_UNPLUG,
+				outp->base.edid->index,
+				nvkm_output_dp_hotplug, outp,
+			       &outp->base.conn->hpd.event);
+	if (ret) {
+		ERR("error monitoring aux hpd events: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+int
+_nvkm_output_dp_ctor(struct nouveau_object *parent,
+		     struct nouveau_object *engine,
+		     struct nouveau_oclass *oclass, void *info, u32 index,
+		     struct nouveau_object **pobject)
+{
+	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;
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.h b/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.h
new file mode 100644
index 0000000..22f692d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.h
@@ -0,0 +1,49 @@
+#ifndef __NVKM_DISP_OUTP_DP_H__
+#define __NVKM_DISP_OUTP_DP_H__
+
+#include <subdev/bios.h>
+#include <subdev/bios/dp.h>
+
+#include "outp.h"
+
+struct nvkm_output_dp {
+	struct nvkm_output base;
+
+	struct nvbios_dpout info;
+	u8 version;
+
+	struct nouveau_eventh *irq;
+	struct nouveau_eventh *hpd;
+};
+
+#define nvkm_output_dp_create(p,e,c,b,i,d)                                     \
+	nvkm_output_dp_create_((p), (e), (c), (b), (i), sizeof(**d), (void **)d)
+#define nvkm_output_dp_destroy(d) ({                                           \
+	struct nvkm_output_dp *_outp = (d);                                    \
+	_nvkm_output_dp_dtor(nv_object(_outp));                                \
+})
+#define nvkm_output_dp_init(d) ({                                              \
+	struct nvkm_output_dp *_outp = (d);                                    \
+	_nvkm_output_dp_init(nv_object(_outp));                                \
+})
+#define nvkm_output_dp_fini(d,s) ({                                            \
+	struct nvkm_output_dp *_outp = (d);                                    \
+	_nvkm_output_dp_fini(nv_object(_outp), (s));                           \
+})
+
+int nvkm_output_dp_create_(struct nouveau_object *, struct nouveau_object *,
+			   struct nouveau_oclass *, struct dcb_output *,
+			   int, int, void **);
+
+int  _nvkm_output_dp_ctor(struct nouveau_object *, struct nouveau_object *,
+			  struct nouveau_oclass *, void *, u32,
+			  struct nouveau_object **);
+void _nvkm_output_dp_dtor(struct nouveau_object *);
+int  _nvkm_output_dp_init(struct nouveau_object *);
+int  _nvkm_output_dp_fini(struct nouveau_object *, bool);
+
+struct nvkm_output_dp_impl {
+	struct nvkm_output_impl base;
+};
+
+#endif
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/piornv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/piornv50.c
index c4d36ed..2c1eacd 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/piornv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/piornv50.c
@@ -141,26 +141,27 @@ nv50_pior_dp_ctor(struct nouveau_object *parent,
 		  struct nouveau_object **pobject)
 {
 	struct nouveau_i2c *i2c = nouveau_i2c(parent);
-	struct nvkm_output *outp;
+	struct nvkm_output_dp *outp;
 	int ret;
 
-	ret = nvkm_output_create(parent, engine, oclass, info, index, &outp);
+	ret = nvkm_output_dp_create(parent, engine, oclass, info, index, &outp);
 	*pobject = nv_object(outp);
 	if (ret)
 		return ret;
 
-	outp->edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(outp->info.extdev));
+	outp->base.edid = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(
+					 outp->base.info.extdev));
 	return 0;
 }
 
-struct nvkm_output_impl
+struct nvkm_output_dp_impl
 nv50_pior_dp_impl = {
-	.base.handle = DCB_OUTPUT_DP | 0x0100,
-	.base.ofuncs = &(struct nouveau_ofuncs) {
+	.base.base.handle = DCB_OUTPUT_DP | 0x0010,
+	.base.base.ofuncs = &(struct nouveau_ofuncs) {
 		.ctor = nv50_pior_dp_ctor,
-		.dtor = _nvkm_output_dtor,
-		.init = _nvkm_output_init,
-		.fini = _nvkm_output_fini,
+		.dtor = _nvkm_output_dp_dtor,
+		.init = _nvkm_output_dp_init,
+		.fini = _nvkm_output_dp_fini,
 	},
 };
 
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c
index eea3ef5..ca551ea 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c
@@ -31,6 +31,7 @@
 #include <subdev/bios/init.h>
 
 #include "nv50.h"
+#include "outpdp.h"
 
 static inline u32
 nv94_sor_soff(struct dcb_output *outp)
@@ -129,3 +130,14 @@ nv94_sor_dp_func = {
 	.lnk_ctl = nv94_sor_dp_lnk_ctl,
 	.drv_ctl = nv94_sor_dp_drv_ctl,
 };
+
+struct nvkm_output_dp_impl
+nv94_sor_dp_impl = {
+	.base.base.handle = DCB_OUTPUT_DP,
+	.base.base.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = _nvkm_output_dp_ctor,
+		.dtor = _nvkm_output_dp_dtor,
+		.init = _nvkm_output_dp_init,
+		.fini = _nvkm_output_dp_fini,
+	},
+};
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c
index d2df572..ffd4531 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c
@@ -126,3 +126,14 @@ nvd0_sor_dp_func = {
 	.lnk_ctl = nvd0_sor_dp_lnk_ctl,
 	.drv_ctl = nvd0_sor_dp_drv_ctl,
 };
+
+struct nvkm_output_dp_impl
+nvd0_sor_dp_impl = {
+	.base.base.handle = DCB_OUTPUT_DP,
+	.base.base.ofuncs = &(struct nouveau_ofuncs) {
+		.ctor = _nvkm_output_dp_ctor,
+		.dtor = _nvkm_output_dp_dtor,
+		.init = _nvkm_output_dp_init,
+		.fini = _nvkm_output_dp_fini,
+	},
+};