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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/base.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/gpio/base.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/gpio/base.c147
1 files changed, 60 insertions, 87 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/base.c
index dea58161ba46..d45ec99f0e38 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/base.c
@@ -23,28 +23,33 @@
*/
#include "priv.h"
-#include <core/device.h>
#include <core/notify.h>
static int
nvkm_gpio_drive(struct nvkm_gpio *gpio, int idx, int line, int dir, int out)
{
- const struct nvkm_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- return impl->drive ? impl->drive(gpio, line, dir, out) : -ENODEV;
+ return gpio->func->drive(gpio, line, dir, out);
}
static int
nvkm_gpio_sense(struct nvkm_gpio *gpio, int idx, int line)
{
- const struct nvkm_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- return impl->sense ? impl->sense(gpio, line) : -ENODEV;
+ return gpio->func->sense(gpio, line);
}
-static int
+void
+nvkm_gpio_reset(struct nvkm_gpio *gpio, u8 func)
+{
+ if (gpio->func->reset)
+ gpio->func->reset(gpio, func);
+}
+
+int
nvkm_gpio_find(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line,
struct dcb_gpio_func *func)
{
- struct nvkm_bios *bios = nvkm_bios(gpio);
+ struct nvkm_device *device = gpio->subdev.device;
+ struct nvkm_bios *bios = device->bios;
u8 ver, len;
u16 data;
@@ -56,11 +61,11 @@ nvkm_gpio_find(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line,
return 0;
/* Apple iMac G4 NV18 */
- if (nv_device_match(nv_object(gpio), 0x0189, 0x10de, 0x0010)) {
+ if (device->quirk && device->quirk->tv_gpio) {
if (tag == DCB_GPIO_TVDAC0) {
*func = (struct dcb_gpio_func) {
.func = DCB_GPIO_TVDAC0,
- .line = 4,
+ .line = device->quirk->tv_gpio,
.log[0] = 0,
.log[1] = 1,
};
@@ -71,7 +76,7 @@ nvkm_gpio_find(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line,
return -ENOENT;
}
-static int
+int
nvkm_gpio_set(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line, int state)
{
struct dcb_gpio_func func;
@@ -87,7 +92,7 @@ nvkm_gpio_set(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line, int state)
return ret;
}
-static int
+int
nvkm_gpio_get(struct nvkm_gpio *gpio, int idx, u8 tag, u8 line)
{
struct dcb_gpio_func func;
@@ -107,16 +112,14 @@ static void
nvkm_gpio_intr_fini(struct nvkm_event *event, int type, int index)
{
struct nvkm_gpio *gpio = container_of(event, typeof(*gpio), event);
- const struct nvkm_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- impl->intr_mask(gpio, type, 1 << index, 0);
+ gpio->func->intr_mask(gpio, type, 1 << index, 0);
}
static void
nvkm_gpio_intr_init(struct nvkm_event *event, int type, int index)
{
struct nvkm_gpio *gpio = container_of(event, typeof(*gpio), event);
- const struct nvkm_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
- impl->intr_mask(gpio, type, 1 << index, 1 << index);
+ gpio->func->intr_mask(gpio, type, 1 << index, 1 << index);
}
static int
@@ -133,16 +136,22 @@ nvkm_gpio_intr_ctor(struct nvkm_object *object, void *data, u32 size,
return -EINVAL;
}
+static const struct nvkm_event_func
+nvkm_gpio_intr_func = {
+ .ctor = nvkm_gpio_intr_ctor,
+ .init = nvkm_gpio_intr_init,
+ .fini = nvkm_gpio_intr_fini,
+};
+
static void
nvkm_gpio_intr(struct nvkm_subdev *subdev)
{
struct nvkm_gpio *gpio = nvkm_gpio(subdev);
- const struct nvkm_gpio_impl *impl = (void *)nv_object(gpio)->oclass;
u32 hi, lo, i;
- impl->intr_stat(gpio, &hi, &lo);
+ gpio->func->intr_stat(gpio, &hi, &lo);
- for (i = 0; (hi | lo) && i < impl->lines; i++) {
+ for (i = 0; (hi | lo) && i < gpio->func->lines; i++) {
struct nvkm_gpio_ntfy_rep rep = {
.mask = (NVKM_GPIO_HI * !!(hi & (1 << i))) |
(NVKM_GPIO_LO * !!(lo & (1 << i))),
@@ -151,24 +160,15 @@ nvkm_gpio_intr(struct nvkm_subdev *subdev)
}
}
-static const struct nvkm_event_func
-nvkm_gpio_intr_func = {
- .ctor = nvkm_gpio_intr_ctor,
- .init = nvkm_gpio_intr_init,
- .fini = nvkm_gpio_intr_fini,
-};
-
-int
-_nvkm_gpio_fini(struct nvkm_object *object, bool suspend)
+static int
+nvkm_gpio_fini(struct nvkm_subdev *subdev, bool suspend)
{
- const struct nvkm_gpio_impl *impl = (void *)object->oclass;
- struct nvkm_gpio *gpio = nvkm_gpio(object);
- u32 mask = (1 << impl->lines) - 1;
-
- impl->intr_mask(gpio, NVKM_GPIO_TOGGLED, mask, 0);
- impl->intr_stat(gpio, &mask, &mask);
+ struct nvkm_gpio *gpio = nvkm_gpio(subdev);
+ u32 mask = (1 << gpio->func->lines) - 1;
- return nvkm_subdev_fini(&gpio->base, suspend);
+ gpio->func->intr_mask(gpio, NVKM_GPIO_TOGGLED, mask, 0);
+ gpio->func->intr_stat(gpio, &mask, &mask);
+ return 0;
}
static struct dmi_system_id gpio_reset_ids[] = {
@@ -182,70 +182,43 @@ static struct dmi_system_id gpio_reset_ids[] = {
{ }
};
-int
-_nvkm_gpio_init(struct nvkm_object *object)
+static int
+nvkm_gpio_init(struct nvkm_subdev *subdev)
{
- struct nvkm_gpio *gpio = nvkm_gpio(object);
- int ret;
-
- ret = nvkm_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;
+ struct nvkm_gpio *gpio = nvkm_gpio(subdev);
+ if (dmi_check_system(gpio_reset_ids))
+ nvkm_gpio_reset(gpio, DCB_GPIO_UNUSED);
+ return 0;
}
-void
-_nvkm_gpio_dtor(struct nvkm_object *object)
+static void *
+nvkm_gpio_dtor(struct nvkm_subdev *subdev)
{
- struct nvkm_gpio *gpio = (void *)object;
+ struct nvkm_gpio *gpio = nvkm_gpio(subdev);
nvkm_event_fini(&gpio->event);
- nvkm_subdev_destroy(&gpio->base);
+ return gpio;
}
-int
-nvkm_gpio_create_(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, int length, void **pobject)
-{
- const struct nvkm_gpio_impl *impl = (void *)oclass;
- struct nvkm_gpio *gpio;
- int ret;
-
- ret = nvkm_subdev_create_(parent, engine, oclass, 0, "GPIO",
- "gpio", length, pobject);
- gpio = *pobject;
- if (ret)
- return ret;
-
- gpio->find = nvkm_gpio_find;
- gpio->set = nvkm_gpio_set;
- gpio->get = nvkm_gpio_get;
- gpio->reset = impl->reset;
-
- ret = nvkm_event_init(&nvkm_gpio_intr_func, 2, impl->lines,
- &gpio->event);
- if (ret)
- return ret;
-
- nv_subdev(gpio)->intr = nvkm_gpio_intr;
- return 0;
-}
+static const struct nvkm_subdev_func
+nvkm_gpio = {
+ .dtor = nvkm_gpio_dtor,
+ .init = nvkm_gpio_init,
+ .fini = nvkm_gpio_fini,
+ .intr = nvkm_gpio_intr,
+};
int
-_nvkm_gpio_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
- struct nvkm_oclass *oclass, void *data, u32 size,
- struct nvkm_object **pobject)
+nvkm_gpio_new_(const struct nvkm_gpio_func *func, struct nvkm_device *device,
+ int index, struct nvkm_gpio **pgpio)
{
struct nvkm_gpio *gpio;
- int ret;
- ret = nvkm_gpio_create(parent, engine, oclass, &gpio);
- *pobject = nv_object(gpio);
- if (ret)
- return ret;
+ if (!(gpio = *pgpio = kzalloc(sizeof(*gpio), GFP_KERNEL)))
+ return -ENOMEM;
- return 0;
+ nvkm_subdev_ctor(&nvkm_gpio, device, index, 0, &gpio->subdev);
+ gpio->func = func;
+
+ return nvkm_event_init(&nvkm_gpio_intr_func, 2, func->lines,
+ &gpio->event);
}