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path: root/drivers/gpu/drm/nouveau/core/engine/disp
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/disp/nv04.c90
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/disp/nv50.c125
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c118
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/disp/vga.c215
4 files changed, 548 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c
new file mode 100644
index 0000000..1c919f2
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv04.c
@@ -0,0 +1,90 @@
+/*
+ * 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 <engine/disp.h>
+
+struct nv04_disp_priv {
+ struct nouveau_disp base;
+};
+
+static struct nouveau_oclass
+nv04_disp_sclass[] = {
+ {},
+};
+
+static void
+nv04_disp_intr_vblank(struct nv04_disp_priv *priv, int crtc)
+{
+ struct nouveau_disp *disp = &priv->base;
+ if (disp->vblank.notify)
+ disp->vblank.notify(disp->vblank.data, crtc);
+}
+
+static void
+nv04_disp_intr(struct nouveau_subdev *subdev)
+{
+ struct nv04_disp_priv *priv = (void *)subdev;
+ u32 crtc0 = nv_rd32(priv, 0x600100);
+ u32 crtc1 = nv_rd32(priv, 0x602100);
+
+ if (crtc0 & 0x00000001) {
+ nv04_disp_intr_vblank(priv, 0);
+ nv_wr32(priv, 0x600100, 0x00000001);
+ }
+
+ if (crtc1 & 0x00000001) {
+ nv04_disp_intr_vblank(priv, 1);
+ nv_wr32(priv, 0x602100, 0x00000001);
+ }
+}
+
+static int
+nv04_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nv04_disp_priv *priv;
+ int ret;
+
+ ret = nouveau_disp_create(parent, engine, oclass, "DISPLAY",
+ "display", &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ nv_engine(priv)->sclass = nv04_disp_sclass;
+ nv_subdev(priv)->intr = nv04_disp_intr;
+ return 0;
+}
+
+struct nouveau_oclass
+nv04_disp_oclass = {
+ .handle = NV_ENGINE(DISP, 0x04),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv04_disp_ctor,
+ .dtor = _nouveau_disp_dtor,
+ .init = _nouveau_disp_init,
+ .fini = _nouveau_disp_fini,
+ },
+};
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
new file mode 100644
index 0000000..16a9afb
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -0,0 +1,125 @@
+/*
+ * 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 <engine/software.h>
+#include <engine/disp.h>
+
+struct nv50_disp_priv {
+ struct nouveau_disp base;
+};
+
+static struct nouveau_oclass
+nv50_disp_sclass[] = {
+ {},
+};
+
+static void
+nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc)
+{
+ struct nouveau_disp *disp = &priv->base;
+ struct nouveau_software_chan *chan, *temp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&disp->vblank.lock, flags);
+ list_for_each_entry_safe(chan, temp, &disp->vblank.list, vblank.head) {
+ if (chan->vblank.crtc != crtc)
+ continue;
+
+ nv_wr32(priv, 0x001704, chan->vblank.channel);
+ nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
+
+ if (nv_device(priv)->chipset == 0x50) {
+ nv_wr32(priv, 0x001570, chan->vblank.offset);
+ nv_wr32(priv, 0x001574, chan->vblank.value);
+ } else {
+ if (nv_device(priv)->chipset >= 0xc0) {
+ nv_wr32(priv, 0x06000c,
+ upper_32_bits(chan->vblank.offset));
+ }
+ nv_wr32(priv, 0x060010, chan->vblank.offset);
+ nv_wr32(priv, 0x060014, chan->vblank.value);
+ }
+
+ list_del(&chan->vblank.head);
+ if (disp->vblank.put)
+ disp->vblank.put(disp->vblank.data, crtc);
+ }
+ spin_unlock_irqrestore(&disp->vblank.lock, flags);
+
+ if (disp->vblank.notify)
+ disp->vblank.notify(disp->vblank.data, crtc);
+}
+
+static void
+nv50_disp_intr(struct nouveau_subdev *subdev)
+{
+ struct nv50_disp_priv *priv = (void *)subdev;
+ u32 stat1 = nv_rd32(priv, 0x610024);
+
+ if (stat1 & 0x00000004) {
+ nv50_disp_intr_vblank(priv, 0);
+ nv_wr32(priv, 0x610024, 0x00000004);
+ stat1 &= ~0x00000004;
+ }
+
+ if (stat1 & 0x00000008) {
+ nv50_disp_intr_vblank(priv, 1);
+ nv_wr32(priv, 0x610024, 0x00000008);
+ stat1 &= ~0x00000008;
+ }
+
+}
+
+static int
+nv50_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nv50_disp_priv *priv;
+ int ret;
+
+ ret = nouveau_disp_create(parent, engine, oclass, "PDISP",
+ "display", &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ nv_engine(priv)->sclass = nv50_disp_sclass;
+ nv_subdev(priv)->intr = nv50_disp_intr;
+
+ INIT_LIST_HEAD(&priv->base.vblank.list);
+ spin_lock_init(&priv->base.vblank.lock);
+ return 0;
+}
+
+struct nouveau_oclass
+nv50_disp_oclass = {
+ .handle = NV_ENGINE(DISP, 0x50),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nv50_disp_ctor,
+ .dtor = _nouveau_disp_dtor,
+ .init = _nouveau_disp_init,
+ .fini = _nouveau_disp_fini,
+ },
+};
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
new file mode 100644
index 0000000..d93efbc
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c
@@ -0,0 +1,118 @@
+/*
+ * 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 <subdev/bar.h>
+
+#include <engine/software.h>
+#include <engine/disp.h>
+
+struct nvd0_disp_priv {
+ struct nouveau_disp base;
+};
+
+static struct nouveau_oclass
+nvd0_disp_sclass[] = {
+ {},
+};
+
+static void
+nvd0_disp_intr_vblank(struct nvd0_disp_priv *priv, int crtc)
+{
+ struct nouveau_bar *bar = nouveau_bar(priv);
+ struct nouveau_disp *disp = &priv->base;
+ struct nouveau_software_chan *chan, *temp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&disp->vblank.lock, flags);
+ list_for_each_entry_safe(chan, temp, &disp->vblank.list, vblank.head) {
+ if (chan->vblank.crtc != crtc)
+ continue;
+
+ nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
+ bar->flush(bar);
+ nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset));
+ nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset));
+ nv_wr32(priv, 0x060014, chan->vblank.value);
+
+ list_del(&chan->vblank.head);
+ if (disp->vblank.put)
+ disp->vblank.put(disp->vblank.data, crtc);
+ }
+ spin_unlock_irqrestore(&disp->vblank.lock, flags);
+
+ if (disp->vblank.notify)
+ disp->vblank.notify(disp->vblank.data, crtc);
+}
+
+static void
+nvd0_disp_intr(struct nouveau_subdev *subdev)
+{
+ struct nvd0_disp_priv *priv = (void *)subdev;
+ u32 intr = nv_rd32(priv, 0x610088);
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ u32 mask = 0x01000000 << i;
+ if (mask & intr) {
+ u32 stat = nv_rd32(priv, 0x6100bc + (i * 0x800));
+ if (stat & 0x00000001)
+ nvd0_disp_intr_vblank(priv, i);
+ nv_mask(priv, 0x6100bc + (i * 0x800), 0, 0);
+ nv_rd32(priv, 0x6100c0 + (i * 0x800));
+ }
+ }
+}
+
+static int
+nvd0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+ struct nouveau_oclass *oclass, void *data, u32 size,
+ struct nouveau_object **pobject)
+{
+ struct nvd0_disp_priv *priv;
+ int ret;
+
+ ret = nouveau_disp_create(parent, engine, oclass, "PDISP",
+ "display", &priv);
+ *pobject = nv_object(priv);
+ if (ret)
+ return ret;
+
+ nv_engine(priv)->sclass = nvd0_disp_sclass;
+ nv_subdev(priv)->intr = nvd0_disp_intr;
+
+ INIT_LIST_HEAD(&priv->base.vblank.list);
+ spin_lock_init(&priv->base.vblank.lock);
+ return 0;
+}
+
+struct nouveau_oclass
+nvd0_disp_oclass = {
+ .handle = NV_ENGINE(DISP, 0xd0),
+ .ofuncs = &(struct nouveau_ofuncs) {
+ .ctor = nvd0_disp_ctor,
+ .dtor = _nouveau_disp_dtor,
+ .init = _nouveau_disp_init,
+ .fini = _nouveau_disp_fini,
+ },
+};
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/vga.c b/drivers/gpu/drm/nouveau/core/engine/disp/vga.c
new file mode 100644
index 0000000..5a1c684
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/vga.c
@@ -0,0 +1,215 @@
+/*
+ * 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/subdev.h>
+#include <core/device.h>
+#include <subdev/vga.h>
+
+u8
+nv_rdport(void *obj, int head, u16 port)
+{
+ struct nouveau_device *device = nv_device(obj);
+
+ if (device->card_type >= NV_50)
+ return nv_rd08(obj, 0x601000 + port);
+
+ if (port == 0x03c0 || port == 0x03c1 || /* AR */
+ port == 0x03c2 || port == 0x03da || /* INP0 */
+ port == 0x03d4 || port == 0x03d5) /* CR */
+ return nv_rd08(obj, 0x601000 + (head * 0x2000) + port);
+
+ if (port == 0x03c2 || port == 0x03cc || /* MISC */
+ port == 0x03c4 || port == 0x03c5 || /* SR */
+ port == 0x03ce || port == 0x03cf) { /* GR */
+ if (device->card_type < NV_40)
+ head = 0; /* CR44 selects head */
+ return nv_rd08(obj, 0x0c0000 + (head * 0x2000) + port);
+ }
+
+ nv_error(obj, "unknown vga port 0x%04x\n", port);
+ return 0x00;
+}
+
+void
+nv_wrport(void *obj, int head, u16 port, u8 data)
+{
+ struct nouveau_device *device = nv_device(obj);
+
+ if (device->card_type >= NV_50)
+ nv_wr08(obj, 0x601000 + port, data);
+ else
+ if (port == 0x03c0 || port == 0x03c1 || /* AR */
+ port == 0x03c2 || port == 0x03da || /* INP0 */
+ port == 0x03d4 || port == 0x03d5) /* CR */
+ nv_wr08(obj, 0x601000 + (head * 0x2000) + port, data);
+ else
+ if (port == 0x03c2 || port == 0x03cc || /* MISC */
+ port == 0x03c4 || port == 0x03c5 || /* SR */
+ port == 0x03ce || port == 0x03cf) { /* GR */
+ if (device->card_type < NV_40)
+ head = 0; /* CR44 selects head */
+ nv_wr08(obj, 0x0c0000 + (head * 0x2000) + port, data);
+ } else
+ nv_error(obj, "unknown vga port 0x%04x\n", port);
+}
+
+u8
+nv_rdvgas(void *obj, int head, u8 index)
+{
+ nv_wrport(obj, head, 0x03c4, index);
+ return nv_rdport(obj, head, 0x03c5);
+}
+
+void
+nv_wrvgas(void *obj, int head, u8 index, u8 value)
+{
+ nv_wrport(obj, head, 0x03c4, index);
+ nv_wrport(obj, head, 0x03c5, value);
+}
+
+u8
+nv_rdvgag(void *obj, int head, u8 index)
+{
+ nv_wrport(obj, head, 0x03ce, index);
+ return nv_rdport(obj, head, 0x03cf);
+}
+
+void
+nv_wrvgag(void *obj, int head, u8 index, u8 value)
+{
+ nv_wrport(obj, head, 0x03ce, index);
+ nv_wrport(obj, head, 0x03cf, value);
+}
+
+u8
+nv_rdvgac(void *obj, int head, u8 index)
+{
+ nv_wrport(obj, head, 0x03d4, index);
+ return nv_rdport(obj, head, 0x03d5);
+}
+
+void
+nv_wrvgac(void *obj, int head, u8 index, u8 value)
+{
+ nv_wrport(obj, head, 0x03d4, index);
+ nv_wrport(obj, head, 0x03d5, value);
+}
+
+u8
+nv_rdvgai(void *obj, int head, u16 port, u8 index)
+{
+ if (port == 0x03c4) return nv_rdvgas(obj, head, index);
+ if (port == 0x03ce) return nv_rdvgag(obj, head, index);
+ if (port == 0x03d4) return nv_rdvgac(obj, head, index);
+ nv_error(obj, "unknown indexed vga port 0x%04x\n", port);
+ return 0x00;
+}
+
+void
+nv_wrvgai(void *obj, int head, u16 port, u8 index, u8 value)
+{
+ if (port == 0x03c4) nv_wrvgas(obj, head, index, value);
+ else if (port == 0x03ce) nv_wrvgag(obj, head, index, value);
+ else if (port == 0x03d4) nv_wrvgac(obj, head, index, value);
+ else nv_error(obj, "unknown indexed vga port 0x%04x\n", port);
+}
+
+bool
+nv_lockvgac(void *obj, bool lock)
+{
+ bool locked = !nv_rdvgac(obj, 0, 0x1f);
+ u8 data = lock ? 0x99 : 0x57;
+ nv_wrvgac(obj, 0, 0x1f, data);
+ if (nv_device(obj)->chipset == 0x11) {
+ if (!(nv_rd32(obj, 0x001084) & 0x10000000))
+ nv_wrvgac(obj, 1, 0x1f, data);
+ }
+ return locked;
+}
+
+/* CR44 takes values 0 (head A), 3 (head B) and 4 (heads tied)
+ * it affects only the 8 bit vga io regs, which we access using mmio at
+ * 0xc{0,2}3c*, 0x60{1,3}3*, and 0x68{1,3}3d*
+ * in general, the set value of cr44 does not matter: reg access works as
+ * expected and values can be set for the appropriate head by using a 0x2000
+ * offset as required
+ * however:
+ * a) pre nv40, the head B range of PRMVIO regs at 0xc23c* was not exposed and
+ * cr44 must be set to 0 or 3 for accessing values on the correct head
+ * through the common 0xc03c* addresses
+ * b) in tied mode (4) head B is programmed to the values set on head A, and
+ * access using the head B addresses can have strange results, ergo we leave
+ * tied mode in init once we know to what cr44 should be restored on exit
+ *
+ * the owner parameter is slightly abused:
+ * 0 and 1 are treated as head values and so the set value is (owner * 3)
+ * other values are treated as literal values to set
+ */
+u8
+nv_rdvgaowner(void *obj)
+{
+ if (nv_device(obj)->card_type < NV_50) {
+ if (nv_device(obj)->chipset == 0x11) {
+ u32 tied = nv_rd32(obj, 0x001084) & 0x10000000;
+ if (tied == 0) {
+ u8 slA = nv_rdvgac(obj, 0, 0x28) & 0x80;
+ u8 tvA = nv_rdvgac(obj, 0, 0x33) & 0x01;
+ u8 slB = nv_rdvgac(obj, 1, 0x28) & 0x80;
+ u8 tvB = nv_rdvgac(obj, 1, 0x33) & 0x01;
+ if (slA && !tvA) return 0x00;
+ if (slB && !tvB) return 0x03;
+ if (slA) return 0x00;
+ if (slB) return 0x03;
+ return 0x00;
+ }
+ return 0x04;
+ }
+
+ return nv_rdvgac(obj, 0, 0x44);
+ }
+
+ nv_error(obj, "rdvgaowner after nv4x\n");
+ return 0x00;
+}
+
+void
+nv_wrvgaowner(void *obj, u8 select)
+{
+ if (nv_device(obj)->card_type < NV_50) {
+ u8 owner = (select == 1) ? 3 : select;
+ if (nv_device(obj)->chipset == 0x11) {
+ /* workaround hw lockup bug */
+ nv_rdvgac(obj, 0, 0x1f);
+ nv_rdvgac(obj, 1, 0x1f);
+ }
+
+ nv_wrvgac(obj, 0, 0x44, owner);
+
+ if (nv_device(obj)->chipset == 0x11) {
+ nv_wrvgac(obj, 0, 0x2e, owner);
+ nv_wrvgac(obj, 0, 0x2e, owner);
+ }
+ } else
+ nv_error(obj, "wrvgaowner after nv4x\n");
+}