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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c135
1 files changed, 135 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c
new file mode 100644
index 000000000..dd4981708
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c
@@ -0,0 +1,135 @@
+/*
+ * 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/option.h>
+#include <subdev/vga.h>
+
+u32
+nvkm_devinit_mmio(struct nvkm_devinit *init, u32 addr)
+{
+ if (init->func->mmio)
+ addr = init->func->mmio(init, addr);
+ return addr;
+}
+
+int
+nvkm_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 khz)
+{
+ return init->func->pll_set(init, type, khz);
+}
+
+void
+nvkm_devinit_meminit(struct nvkm_devinit *init)
+{
+ if (init->func->meminit)
+ init->func->meminit(init);
+}
+
+u64
+nvkm_devinit_disable(struct nvkm_devinit *init)
+{
+ if (init && init->func->disable)
+ return init->func->disable(init);
+ return 0;
+}
+
+int
+nvkm_devinit_post(struct nvkm_devinit *init)
+{
+ int ret = 0;
+ if (init && init->func->post)
+ ret = init->func->post(init, init->post);
+ nvkm_devinit_disable(init);
+ return ret;
+}
+
+static int
+nvkm_devinit_fini(struct nvkm_subdev *subdev, bool suspend)
+{
+ struct nvkm_devinit *init = nvkm_devinit(subdev);
+ /* force full reinit on resume */
+ if (suspend)
+ init->post = true;
+ return 0;
+}
+
+static int
+nvkm_devinit_preinit(struct nvkm_subdev *subdev)
+{
+ struct nvkm_devinit *init = nvkm_devinit(subdev);
+
+ if (init->func->preinit)
+ init->func->preinit(init);
+
+ /* Override the post flag during the first call if NvForcePost is set */
+ if (init->force_post) {
+ init->post = init->force_post;
+ init->force_post = false;
+ }
+
+ /* unlock the extended vga crtc regs */
+ nvkm_lockvgac(subdev->device, false);
+ return 0;
+}
+
+static int
+nvkm_devinit_init(struct nvkm_subdev *subdev)
+{
+ struct nvkm_devinit *init = nvkm_devinit(subdev);
+ if (init->func->init)
+ init->func->init(init);
+ return 0;
+}
+
+static void *
+nvkm_devinit_dtor(struct nvkm_subdev *subdev)
+{
+ struct nvkm_devinit *init = nvkm_devinit(subdev);
+ void *data = init;
+
+ if (init->func->dtor)
+ data = init->func->dtor(init);
+
+ /* lock crtc regs */
+ nvkm_lockvgac(subdev->device, true);
+ return data;
+}
+
+static const struct nvkm_subdev_func
+nvkm_devinit = {
+ .dtor = nvkm_devinit_dtor,
+ .preinit = nvkm_devinit_preinit,
+ .init = nvkm_devinit_init,
+ .fini = nvkm_devinit_fini,
+};
+
+void
+nvkm_devinit_ctor(const struct nvkm_devinit_func *func, struct nvkm_device *device,
+ enum nvkm_subdev_type type, int inst, struct nvkm_devinit *init)
+{
+ nvkm_subdev_ctor(&nvkm_devinit, device, type, inst, &init->subdev);
+ init->func = func;
+ init->force_post = nvkm_boolopt(device->cfgopt, "NvForcePost", false);
+}