drm/nv50-/disp: initial work towards supporting external encoders
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index 1452507..bda661e 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -165,6 +165,7 @@
nouveau-y += core/engine/disp/hdminv84.o
nouveau-y += core/engine/disp/hdminva3.o
nouveau-y += core/engine/disp/hdminvd0.o
+nouveau-y += core/engine/disp/piornv50.o
nouveau-y += core/engine/disp/sornv50.o
nouveau-y += core/engine/disp/sornv94.o
nouveau-y += core/engine/disp/sornvd0.o
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/dport.h b/drivers/gpu/drm/nouveau/core/engine/disp/dport.h
index d0acd01..0e1bbd1 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/dport.h
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/dport.h
@@ -70,6 +70,7 @@
extern const struct nouveau_dp_func nv94_sor_dp_func;
extern const struct nouveau_dp_func nvd0_sor_dp_func;
+extern const struct nouveau_dp_func nv50_pior_dp_func;
int nouveau_dp_train(struct nouveau_disp *, const struct nouveau_dp_func *,
struct dcb_output *, int, u32);
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index a4e2112..1298153 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -678,6 +678,9 @@
{ SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd },
{ DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd },
{ DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_TMDS_PWR) , nv50_pior_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_DP_PWR) , nv50_pior_mthd },
{},
};
@@ -1227,9 +1230,12 @@
priv->head.nr = 2;
priv->dac.nr = 3;
priv->sor.nr = 2;
+ priv->pior.nr = 3;
priv->dac.power = nv50_dac_power;
priv->dac.sense = nv50_dac_sense;
priv->sor.power = nv50_sor_power;
+ priv->pior.power = nv50_pior_power;
+ priv->pior.dp = &nv50_pior_dp_func;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
index 781a816..1ae6ceb 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h
@@ -35,6 +35,12 @@
u32 lvdsconf;
const struct nouveau_dp_func *dp;
} sor;
+ struct {
+ int nr;
+ int (*power)(struct nv50_disp_priv *, int ext, u32 data);
+ u8 type[3];
+ const struct nouveau_dp_func *dp;
+ } pior;
};
#define DAC_MTHD(n) (n), (n) + 0x03
@@ -73,6 +79,11 @@
int nvd0_sor_dp_drvctl(struct nv50_disp_priv *, int, int, int, u16, u16, u32,
struct dcb_output *);
+#define PIOR_MTHD(n) (n), (n) + 0x03
+
+int nv50_pior_mthd(struct nouveau_object *, u32, void *, u32);
+int nv50_pior_power(struct nv50_disp_priv *, int, u32);
+
struct nv50_disp_base {
struct nouveau_parent base;
struct nouveau_ramht *ramht;
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
index 9ec942a..d8c74c0 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv84.c
@@ -46,6 +46,9 @@
{ SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd },
{ DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd },
{ DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_TMDS_PWR) , nv50_pior_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_DP_PWR) , nv50_pior_mthd },
{},
};
@@ -77,10 +80,13 @@
priv->head.nr = 2;
priv->dac.nr = 3;
priv->sor.nr = 2;
+ priv->pior.nr = 3;
priv->dac.power = nv50_dac_power;
priv->dac.sense = nv50_dac_sense;
priv->sor.power = nv50_sor_power;
priv->sor.hdmi = nv84_hdmi_ctrl;
+ priv->pior.power = nv50_pior_power;
+ priv->pior.dp = &nv50_pior_dp_func;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c
index a449890..a66f949 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c
@@ -46,6 +46,9 @@
{ SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd },
{ DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd },
{ DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_TMDS_PWR) , nv50_pior_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_DP_PWR) , nv50_pior_mthd },
{},
};
@@ -77,11 +80,14 @@
priv->head.nr = 2;
priv->dac.nr = 3;
priv->sor.nr = 4;
+ priv->pior.nr = 3;
priv->dac.power = nv50_dac_power;
priv->dac.sense = nv50_dac_sense;
priv->sor.power = nv50_sor_power;
priv->sor.hdmi = nv84_hdmi_ctrl;
priv->sor.dp = &nv94_sor_dp_func;
+ priv->pior.power = nv50_pior_power;
+ priv->pior.dp = &nv50_pior_dp_func;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c
index ce539ca..6cf8eef 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva0.c
@@ -67,10 +67,13 @@
priv->head.nr = 2;
priv->dac.nr = 3;
priv->sor.nr = 2;
+ priv->pior.nr = 3;
priv->dac.power = nv50_dac_power;
priv->dac.sense = nv50_dac_sense;
priv->sor.power = nv50_sor_power;
priv->sor.hdmi = nv84_hdmi_ctrl;
+ priv->pior.power = nv50_pior_power;
+ priv->pior.dp = &nv50_pior_dp_func;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
index 2f78c94..b754131 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c
@@ -47,6 +47,9 @@
{ SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd },
{ DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd },
{ DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_PWR) , nv50_pior_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_TMDS_PWR) , nv50_pior_mthd },
+ { PIOR_MTHD(NV50_DISP_PIOR_DP_PWR) , nv50_pior_mthd },
{},
};
@@ -78,12 +81,15 @@
priv->head.nr = 2;
priv->dac.nr = 3;
priv->sor.nr = 4;
+ priv->pior.nr = 3;
priv->dac.power = nv50_dac_power;
priv->dac.sense = nv50_dac_sense;
priv->sor.power = nv50_sor_power;
priv->sor.hda_eld = nva3_hda_eld;
priv->sor.hdmi = nva3_hdmi_ctrl;
priv->sor.dp = &nv94_sor_dp_func;
+ priv->pior.power = nv50_pior_power;
+ priv->pior.dp = &nv50_pior_dp_func;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/piornv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/piornv50.c
new file mode 100644
index 0000000..2c8ce35
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/piornv50.c
@@ -0,0 +1,140 @@
+/*
+ * 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 <core/os.h>
+#include <core/class.h>
+
+#include <subdev/bios.h>
+#include <subdev/bios/dcb.h>
+#include <subdev/timer.h>
+#include <subdev/i2c.h>
+
+#include "nv50.h"
+
+/******************************************************************************
+ * DisplayPort
+ *****************************************************************************/
+static struct nouveau_i2c_port *
+nv50_pior_dp_find(struct nouveau_disp *disp, struct dcb_output *outp)
+{
+ struct nouveau_i2c *i2c = nouveau_i2c(disp);
+ return i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(outp->extdev));
+}
+
+static int
+nv50_pior_dp_pattern(struct nouveau_disp *disp, struct dcb_output *outp,
+ int head, int pattern)
+{
+ struct nouveau_i2c_port *port;
+ int ret = -EINVAL;
+
+ port = nv50_pior_dp_find(disp, outp);
+ if (port) {
+ if (port->func->pattern)
+ ret = port->func->pattern(port, pattern);
+ else
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static int
+nv50_pior_dp_lnk_ctl(struct nouveau_disp *disp, struct dcb_output *outp,
+ int head, int lane_nr, int link_bw, bool enh)
+{
+ struct nouveau_i2c_port *port;
+ int ret = -EINVAL;
+
+ port = nv50_pior_dp_find(disp, outp);
+ if (port && port->func->lnk_ctl)
+ ret = port->func->lnk_ctl(port, lane_nr, link_bw, enh);
+
+ return ret;
+}
+
+static int
+nv50_pior_dp_drv_ctl(struct nouveau_disp *disp, struct dcb_output *outp,
+ int head, int lane, int vsw, int pre)
+{
+ struct nouveau_i2c_port *port;
+ int ret = -EINVAL;
+
+ port = nv50_pior_dp_find(disp, outp);
+ if (port) {
+ if (port->func->drv_ctl)
+ ret = port->func->drv_ctl(port, lane, vsw, pre);
+ else
+ ret = 0;
+ }
+
+ return ret;
+}
+
+const struct nouveau_dp_func
+nv50_pior_dp_func = {
+ .pattern = nv50_pior_dp_pattern,
+ .lnk_ctl = nv50_pior_dp_lnk_ctl,
+ .drv_ctl = nv50_pior_dp_drv_ctl,
+};
+
+/******************************************************************************
+ * General PIOR handling
+ *****************************************************************************/
+int
+nv50_pior_power(struct nv50_disp_priv *priv, int or, u32 data)
+{
+ const u32 stat = data & NV50_DISP_PIOR_PWR_STATE;
+ const u32 soff = (or * 0x800);
+ nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
+ nv_mask(priv, 0x61e004 + soff, 0x80000101, 0x80000000 | stat);
+ nv_wait(priv, 0x61e004 + soff, 0x80000000, 0x00000000);
+ return 0;
+}
+
+int
+nv50_pior_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size)
+{
+ struct nv50_disp_priv *priv = (void *)object->engine;
+ const u8 type = (mthd & NV50_DISP_PIOR_MTHD_TYPE) >> 12;
+ const u8 or = (mthd & NV50_DISP_PIOR_MTHD_OR);
+ u32 *data = args;
+ int ret;
+
+ if (size < sizeof(u32))
+ return -EINVAL;
+
+ mthd &= ~NV50_DISP_PIOR_MTHD_TYPE;
+ mthd &= ~NV50_DISP_PIOR_MTHD_OR;
+ switch (mthd) {
+ case NV50_DISP_PIOR_PWR:
+ ret = priv->pior.power(priv, or, data[0]);
+ priv->pior.type[or] = type;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return ret;
+}
diff --git a/drivers/gpu/drm/nouveau/core/include/core/class.h b/drivers/gpu/drm/nouveau/core/include/core/class.h
index 86515cc..92d3ab1 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/class.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/class.h
@@ -219,6 +219,23 @@
#define NV50_DISP_DAC_LOAD 0x0002000c
#define NV50_DISP_DAC_LOAD_VALUE 0x00000007
+#define NV50_DISP_PIOR_MTHD 0x00030000
+#define NV50_DISP_PIOR_MTHD_TYPE 0x0000f000
+#define NV50_DISP_PIOR_MTHD_OR 0x00000003
+
+#define NV50_DISP_PIOR_PWR 0x00030000
+#define NV50_DISP_PIOR_PWR_STATE 0x00000001
+#define NV50_DISP_PIOR_PWR_STATE_ON 0x00000001
+#define NV50_DISP_PIOR_PWR_STATE_OFF 0x00000000
+#define NV50_DISP_PIOR_TMDS_PWR 0x00032000
+#define NV50_DISP_PIOR_TMDS_PWR_STATE 0x00000001
+#define NV50_DISP_PIOR_TMDS_PWR_STATE_ON 0x00000001
+#define NV50_DISP_PIOR_TMDS_PWR_STATE_OFF 0x00000000
+#define NV50_DISP_PIOR_DP_PWR 0x00036000
+#define NV50_DISP_PIOR_DP_PWR_STATE 0x00000001
+#define NV50_DISP_PIOR_DP_PWR_STATE_ON 0x00000001
+#define NV50_DISP_PIOR_DP_PWR_STATE_OFF 0x00000000
+
struct nv50_display_class {
};