summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/core/subdev/gpio
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/gpio')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/gpio/base.c9
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c9
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c9
3 files changed, 17 insertions, 10 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/base.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/base.c
index acf818c58bf..9fb0f9b92d4 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/base.c
@@ -43,10 +43,15 @@ 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;
- if (!dcb_gpio_parse(nouveau_bios(gpio), idx, tag, line, func))
+ data = dcb_gpio_match(bios, idx, tag, line, &ver, &len, func);
+ if (data)
return 0;
/* Apple iMac G4 NV18 */
@@ -265,7 +270,7 @@ nouveau_gpio_init(struct nouveau_gpio *gpio)
int ret = nouveau_subdev_init(&gpio->base);
if (ret == 0 && gpio->reset) {
if (dmi_check_system(gpio_reset_ids))
- gpio->reset(gpio);
+ gpio->reset(gpio, DCB_GPIO_UNUSED);
}
return ret;
}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c
index f3502c961cd..bf13a1200f2 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/nv50.c
@@ -29,15 +29,15 @@ struct nv50_gpio_priv {
};
static void
-nv50_gpio_reset(struct nouveau_gpio *gpio)
+nv50_gpio_reset(struct nouveau_gpio *gpio, u8 match)
{
struct nouveau_bios *bios = nouveau_bios(gpio);
struct nv50_gpio_priv *priv = (void *)gpio;
+ u8 ver, len;
u16 entry;
- u8 ver;
int ent = -1;
- while ((entry = dcb_gpio_entry(bios, 0, ++ent, &ver))) {
+ while ((entry = dcb_gpio_entry(bios, 0, ++ent, &ver, &len))) {
static const u32 regs[] = { 0xe100, 0xe28c };
u32 data = nv_ro32(bios, entry);
u8 line = (data & 0x0000001f);
@@ -48,7 +48,8 @@ nv50_gpio_reset(struct nouveau_gpio *gpio)
u32 val = (unk1 << 16) | unk0;
u32 reg = regs[line >> 4]; line &= 0x0f;
- if (func == 0xff)
+ if ( func == DCB_GPIO_UNUSED ||
+ (match != DCB_GPIO_UNUSED && match != func))
continue;
gpio->set(gpio, 0, func, line, defs);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c b/drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c
index 8d18fcad26e..83e8b8f16e6 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/gpio/nvd0.c
@@ -29,15 +29,15 @@ struct nvd0_gpio_priv {
};
static void
-nvd0_gpio_reset(struct nouveau_gpio *gpio)
+nvd0_gpio_reset(struct nouveau_gpio *gpio, u8 match)
{
struct nouveau_bios *bios = nouveau_bios(gpio);
struct nvd0_gpio_priv *priv = (void *)gpio;
+ u8 ver, len;
u16 entry;
- u8 ver;
int ent = -1;
- while ((entry = dcb_gpio_entry(bios, 0, ++ent, &ver))) {
+ while ((entry = dcb_gpio_entry(bios, 0, ++ent, &ver, &len))) {
u32 data = nv_ro32(bios, entry);
u8 line = (data & 0x0000003f);
u8 defs = !!(data & 0x00000080);
@@ -45,7 +45,8 @@ nvd0_gpio_reset(struct nouveau_gpio *gpio)
u8 unk0 = (data & 0x00ff0000) >> 16;
u8 unk1 = (data & 0x1f000000) >> 24;
- if (func == 0xff)
+ if ( func == DCB_GPIO_UNUSED ||
+ (match != DCB_GPIO_UNUSED && match != func))
continue;
gpio->set(gpio, 0, func, line, defs);