drm/nouveau/device: split user device implementation out on its own

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

1 files changed, 247 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
new file mode 100644
index 000000000000..16bb0410382f
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
@@ -0,0 +1,247 @@
+/*
+ * 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 "priv.h"
+
+#include <core/client.h>
+#include <subdev/fb.h>
+#include <subdev/instmem.h>
+
+#include <nvif/class.h>
+#include <nvif/unpack.h>
+
+struct nvkm_udevice {
+	struct nvkm_parent base;
+	struct nvkm_device *device;
+};
+
+static int
+nvkm_udevice_info(struct nvkm_object *object, void *data, u32 size)
+{
+	struct nvkm_udevice *udev = (void *)object;
+	struct nvkm_device *device = udev->device;
+	struct nvkm_fb *fb = device->fb;
+	struct nvkm_instmem *imem = device->imem;
+	union {
+		struct nv_device_info_v0 v0;
+	} *args = data;
+	int ret;
+
+	nvif_ioctl(object, "device info size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(object, "device info vers %d\n", args->v0.version);
+	} else
+		return ret;
+
+	switch (device->chipset) {
+	case 0x01a:
+	case 0x01f:
+	case 0x04c:
+	case 0x04e:
+	case 0x063:
+	case 0x067:
+	case 0x068:
+	case 0x0aa:
+	case 0x0ac:
+	case 0x0af:
+		args->v0.platform = NV_DEVICE_INFO_V0_IGP;
+		break;
+	default:
+		if (device->pdev) {
+			if (pci_find_capability(device->pdev, PCI_CAP_ID_AGP))
+				args->v0.platform = NV_DEVICE_INFO_V0_AGP;
+			else
+			if (pci_is_pcie(device->pdev))
+				args->v0.platform = NV_DEVICE_INFO_V0_PCIE;
+			else
+				args->v0.platform = NV_DEVICE_INFO_V0_PCI;
+		} else {
+			args->v0.platform = NV_DEVICE_INFO_V0_SOC;
+		}
+		break;
+	}
+
+	switch (device->card_type) {
+	case NV_04: args->v0.family = NV_DEVICE_INFO_V0_TNT; break;
+	case NV_10:
+	case NV_11: args->v0.family = NV_DEVICE_INFO_V0_CELSIUS; break;
+	case NV_20: args->v0.family = NV_DEVICE_INFO_V0_KELVIN; break;
+	case NV_30: args->v0.family = NV_DEVICE_INFO_V0_RANKINE; break;
+	case NV_40: args->v0.family = NV_DEVICE_INFO_V0_CURIE; break;
+	case NV_50: args->v0.family = NV_DEVICE_INFO_V0_TESLA; break;
+	case NV_C0: args->v0.family = NV_DEVICE_INFO_V0_FERMI; break;
+	case NV_E0: args->v0.family = NV_DEVICE_INFO_V0_KEPLER; break;
+	case GM100: args->v0.family = NV_DEVICE_INFO_V0_MAXWELL; break;
+	default:
+		args->v0.family = 0;
+		break;
+	}
+
+	args->v0.chipset  = device->chipset;
+	args->v0.revision = device->chiprev;
+	if (fb && fb->ram)
+		args->v0.ram_size = args->v0.ram_user = fb->ram->size;
+	else
+		args->v0.ram_size = args->v0.ram_user = 0;
+	if (imem && args->v0.ram_size > 0)
+		args->v0.ram_user = args->v0.ram_user - imem->reserved;
+
+	return 0;
+}
+
+static int
+nvkm_udevice_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+{
+	switch (mthd) {
+	case NV_DEVICE_V0_INFO:
+		return nvkm_udevice_info(object, data, size);
+	default:
+		break;
+	}
+	return -EINVAL;
+}
+
+static u8
+nvkm_udevice_rd08(struct nvkm_object *object, u64 addr)
+{
+	struct nvkm_udevice *udev = (void *)object;
+	return nvkm_rd08(udev->device, addr);
+}
+
+static u16
+nvkm_udevice_rd16(struct nvkm_object *object, u64 addr)
+{
+	struct nvkm_udevice *udev = (void *)object;
+	return nvkm_rd16(udev->device, addr);
+}
+
+static u32
+nvkm_udevice_rd32(struct nvkm_object *object, u64 addr)
+{
+	struct nvkm_udevice *udev = (void *)object;
+	return nvkm_rd32(udev->device, addr);
+}
+
+static void
+nvkm_udevice_wr08(struct nvkm_object *object, u64 addr, u8 data)
+{
+	struct nvkm_udevice *udev = (void *)object;
+	nvkm_wr08(udev->device, addr, data);
+}
+
+static void
+nvkm_udevice_wr16(struct nvkm_object *object, u64 addr, u16 data)
+{
+	struct nvkm_udevice *udev = (void *)object;
+	nvkm_wr16(udev->device, addr, data);
+}
+
+static void
+nvkm_udevice_wr32(struct nvkm_object *object, u64 addr, u32 data)
+{
+	struct nvkm_udevice *udev = (void *)object;
+	nvkm_wr32(udev->device, addr, data);
+}
+
+static int
+nvkm_udevice_map(struct nvkm_object *object, u64 *addr, u32 *size)
+{
+	struct nvkm_udevice *udev = (void *)object;
+	struct nvkm_device *device = udev->device;
+	*addr = nv_device_resource_start(device, 0);
+	*size = nv_device_resource_len(device, 0);
+	return 0;
+}
+
+static struct nvkm_oclass
+nvkm_udevice_oclass_super = {
+	.handle = NV_DEVICE,
+	.ofuncs = &(struct nvkm_ofuncs) {
+		.dtor = _nvkm_parent_dtor,
+		.init = _nvkm_parent_init,
+		.fini = _nvkm_parent_fini,
+		.mthd = nvkm_udevice_mthd,
+		.map  = nvkm_udevice_map,
+		.rd08 = nvkm_udevice_rd08,
+		.rd16 = nvkm_udevice_rd16,
+		.rd32 = nvkm_udevice_rd32,
+		.wr08 = nvkm_udevice_wr08,
+		.wr16 = nvkm_udevice_wr16,
+		.wr32 = nvkm_udevice_wr32,
+	}
+};
+
+static int
+nvkm_udevice_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
+		 struct nvkm_oclass *oclass, void *data, u32 size,
+		 struct nvkm_object **pobject)
+{
+	union {
+		struct nv_device_v0 v0;
+	} *args = data;
+	struct nvkm_client *client = nvkm_client(parent);
+	struct nvkm_device *device;
+	struct nvkm_udevice *udev;
+	int ret;
+
+	nvif_ioctl(parent, "create device size %d\n", size);
+	if (nvif_unpack(args->v0, 0, 0, false)) {
+		nvif_ioctl(parent, "create device v%d device %016llx\n",
+			   args->v0.version, args->v0.device);
+	} else
+		return ret;
+
+	/* give priviledged clients register access */
+	if (client->super)
+		oclass = &nvkm_udevice_oclass_super;
+
+	/* find the device subdev that matches what the client requested */
+	device = client->device;
+	if (args->v0.device != ~0) {
+		device = nvkm_device_find(args->v0.device);
+		if (!device)
+			return -ENODEV;
+	}
+
+	ret = nvkm_parent_create(parent, nv_object(device), oclass, 0,
+				 nvkm_control_oclass,
+				 (1ULL << NVDEV_ENGINE_DMAOBJ) |
+				 (1ULL << NVDEV_ENGINE_FIFO) |
+				 (1ULL << NVDEV_ENGINE_DISP) |
+				 (1ULL << NVDEV_ENGINE_PM), &udev);
+	*pobject = nv_object(udev);
+	if (ret)
+		return ret;
+
+	udev->device = device;
+	return 0;
+}
+
+struct nvkm_ofuncs
+nvkm_udevice_ofuncs = {
+	.ctor = nvkm_udevice_ctor,
+	.dtor = _nvkm_parent_dtor,
+	.init = _nvkm_parent_init,
+	.fini = _nvkm_parent_fini,
+	.mthd = nvkm_udevice_mthd,
+};