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Diffstat (limited to 'nvkm/subdev/gpio/base.c')
-rw-r--r--nvkm/subdev/gpio/base.c255
1 files changed, 0 insertions, 255 deletions
diff --git a/nvkm/subdev/gpio/base.c b/nvkm/subdev/gpio/base.c
deleted file mode 100644
index 7ad99b763..000000000
--- a/nvkm/subdev/gpio/base.c
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- * Copyright 2011 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/bios.h>
-#include <subdev/bios/gpio.h>
-
-#include "priv.h"
-
-static int
-nouveau_gpio_drive(struct nouveau_gpio *gpio,
- int idx, int line, int dir, int out)
-{
- const struct nouveau_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- return impl->drive ? impl->drive(gpio, line, dir, out) : -ENODEV;
-}
-
-static int
-nouveau_gpio_sense(struct nouveau_gpio *gpio, int idx, int line)
-{
- const struct nouveau_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- return impl->sense ? impl->sense(gpio, line) : -ENODEV;
-}
-
-static int
-nouveau_gpio_find(struct nouveau_gpio *gpio, int idx, u8 tag, u8 line,
- struct dcb_gpio_func *func)
-{
- struct nouveau_bios *bios = nouveau_bios(gpio);
- u8 ver, len;
- u16 data;
-
- if (line == 0xff && tag == 0xff)
- return -EINVAL;
-
- data = dcb_gpio_match(bios, idx, tag, line, &ver, &len, func);
- if (data)
- return 0;
-
- /* Apple iMac G4 NV18 */
- if (nv_device_match(nv_object(gpio), 0x0189, 0x10de, 0x0010)) {
- if (tag == DCB_GPIO_TVDAC0) {
- *func = (struct dcb_gpio_func) {
- .func = DCB_GPIO_TVDAC0,
- .line = 4,
- .log[0] = 0,
- .log[1] = 1,
- };
- return 0;
- }
- }
-
- return -ENOENT;
-}
-
-static int
-nouveau_gpio_set(struct nouveau_gpio *gpio, int idx, u8 tag, u8 line, int state)
-{
- struct dcb_gpio_func func;
- int ret;
-
- ret = nouveau_gpio_find(gpio, idx, tag, line, &func);
- if (ret == 0) {
- int dir = !!(func.log[state] & 0x02);
- int out = !!(func.log[state] & 0x01);
- ret = nouveau_gpio_drive(gpio, idx, func.line, dir, out);
- }
-
- return ret;
-}
-
-static int
-nouveau_gpio_get(struct nouveau_gpio *gpio, int idx, u8 tag, u8 line)
-{
- struct dcb_gpio_func func;
- int ret;
-
- ret = nouveau_gpio_find(gpio, idx, tag, line, &func);
- if (ret == 0) {
- ret = nouveau_gpio_sense(gpio, idx, func.line);
- if (ret >= 0)
- ret = (ret == (func.log[1] & 1));
- }
-
- return ret;
-}
-
-static void
-nouveau_gpio_intr_fini(struct nvkm_event *event, int type, int index)
-{
- struct nouveau_gpio *gpio = container_of(event, typeof(*gpio), event);
- const struct nouveau_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- impl->intr_mask(gpio, type, 1 << index, 0);
-}
-
-static void
-nouveau_gpio_intr_init(struct nvkm_event *event, int type, int index)
-{
- struct nouveau_gpio *gpio = container_of(event, typeof(*gpio), event);
- const struct nouveau_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- impl->intr_mask(gpio, type, 1 << index, 1 << index);
-}
-
-static int
-nouveau_gpio_intr_ctor(struct nouveau_object *object, void *data, u32 size,
- struct nvkm_notify *notify)
-{
- struct nvkm_gpio_ntfy_req *req = data;
- if (!WARN_ON(size != sizeof(*req))) {
- notify->size = sizeof(struct nvkm_gpio_ntfy_rep);
- notify->types = req->mask;
- notify->index = req->line;
- return 0;
- }
- return -EINVAL;
-}
-
-static void
-nouveau_gpio_intr(struct nouveau_subdev *subdev)
-{
- struct nouveau_gpio *gpio = nouveau_gpio(subdev);
- const struct nouveau_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- u32 hi, lo, i;
-
- impl->intr_stat(gpio, &hi, &lo);
-
- for (i = 0; (hi | lo) && i < impl->lines; i++) {
- struct nvkm_gpio_ntfy_rep rep = {
- .mask = (NVKM_GPIO_HI * !!(hi & (1 << i))) |
- (NVKM_GPIO_LO * !!(lo & (1 << i))),
- };
- nvkm_event_send(&gpio->event, rep.mask, i, &rep, sizeof(rep));
- }
-}
-
-static const struct nvkm_event_func
-nouveau_gpio_intr_func = {
- .ctor = nouveau_gpio_intr_ctor,
- .init = nouveau_gpio_intr_init,
- .fini = nouveau_gpio_intr_fini,
-};
-
-int
-_nouveau_gpio_fini(struct nouveau_object *object, bool suspend)
-{
- const struct nouveau_gpio_impl *impl = (void *)object->oclass;
- struct nouveau_gpio *gpio = nouveau_gpio(object);
- u32 mask = (1 << impl->lines) - 1;
-
- impl->intr_mask(gpio, NVKM_GPIO_TOGGLED, mask, 0);
- impl->intr_stat(gpio, &mask, &mask);
-
- return nouveau_subdev_fini(&gpio->base, suspend);
-}
-
-static struct dmi_system_id gpio_reset_ids[] = {
- {
- .ident = "Apple Macbook 10,1",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro10,1"),
- }
- },
- { }
-};
-
-int
-_nouveau_gpio_init(struct nouveau_object *object)
-{
- struct nouveau_gpio *gpio = nouveau_gpio(object);
- int ret;
-
- ret = nouveau_subdev_init(&gpio->base);
- if (ret)
- return ret;
-
- if (gpio->reset && dmi_check_system(gpio_reset_ids))
- gpio->reset(gpio, DCB_GPIO_UNUSED);
-
- return ret;
-}
-
-void
-_nouveau_gpio_dtor(struct nouveau_object *object)
-{
- struct nouveau_gpio *gpio = (void *)object;
- nvkm_event_fini(&gpio->event);
- nouveau_subdev_destroy(&gpio->base);
-}
-
-int
-nouveau_gpio_create_(struct nouveau_object *parent,
- struct nouveau_object *engine,
- struct nouveau_oclass *oclass,
- int length, void **pobject)
-{
- const struct nouveau_gpio_impl *impl = (void *)oclass;
- struct nouveau_gpio *gpio;
- int ret;
-
- ret = nouveau_subdev_create_(parent, engine, oclass, 0, "GPIO", "gpio",
- length, pobject);
- gpio = *pobject;
- if (ret)
- return ret;
-
- gpio->find = nouveau_gpio_find;
- gpio->set = nouveau_gpio_set;
- gpio->get = nouveau_gpio_get;
- gpio->reset = impl->reset;
-
- ret = nvkm_event_init(&nouveau_gpio_intr_func, 2, impl->lines,
- &gpio->event);
- if (ret)
- return ret;
-
- nv_subdev(gpio)->intr = nouveau_gpio_intr;
- return 0;
-}
-
-int
-_nouveau_gpio_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
- struct nouveau_oclass *oclass, void *data, u32 size,
- struct nouveau_object **pobject)
-{
- struct nouveau_gpio *gpio;
- int ret;
-
- ret = nouveau_gpio_create(parent, engine, oclass, &gpio);
- *pobject = nv_object(gpio);
- if (ret)
- return ret;
-
- return 0;
-}