Commit 47e5d5cb authored by Ben Skeggs's avatar Ben Skeggs

drm/nv40/disp: implement support for hotplug irq

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent a0b25635
...@@ -273,8 +273,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) ...@@ -273,8 +273,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
engine->display.destroy = nv04_display_destroy; engine->display.destroy = nv04_display_destroy;
engine->display.init = nv04_display_init; engine->display.init = nv04_display_init;
engine->display.fini = nv04_display_fini; engine->display.fini = nv04_display_fini;
engine->gpio.init = nv10_gpio_init;
engine->gpio.fini = nv10_gpio_fini;
engine->gpio.drive = nv10_gpio_drive; engine->gpio.drive = nv10_gpio_drive;
engine->gpio.sense = nv10_gpio_sense; engine->gpio.sense = nv10_gpio_sense;
engine->gpio.irq_enable = nv10_gpio_irq_enable;
engine->pm.clocks_get = nv40_pm_clocks_get; engine->pm.clocks_get = nv40_pm_clocks_get;
engine->pm.clocks_pre = nv40_pm_clocks_pre; engine->pm.clocks_pre = nv40_pm_clocks_pre;
engine->pm.clocks_set = nv40_pm_clocks_set; engine->pm.clocks_set = nv40_pm_clocks_set;
......
...@@ -31,6 +31,7 @@ ...@@ -31,6 +31,7 @@
#include "nouveau_hw.h" #include "nouveau_hw.h"
#include "nouveau_encoder.h" #include "nouveau_encoder.h"
#include "nouveau_connector.h" #include "nouveau_connector.h"
#include "nouveau_gpio.h"
static void nv04_vblank_crtc0_isr(struct drm_device *); static void nv04_vblank_crtc0_isr(struct drm_device *);
static void nv04_vblank_crtc1_isr(struct drm_device *); static void nv04_vblank_crtc1_isr(struct drm_device *);
...@@ -220,6 +221,7 @@ nv04_display_destroy(struct drm_device *dev) ...@@ -220,6 +221,7 @@ nv04_display_destroy(struct drm_device *dev)
int int
nv04_display_init(struct drm_device *dev) nv04_display_init(struct drm_device *dev)
{ {
struct drm_connector *connector;
struct drm_encoder *encoder; struct drm_encoder *encoder;
struct drm_crtc *crtc; struct drm_crtc *crtc;
...@@ -240,6 +242,12 @@ nv04_display_init(struct drm_device *dev) ...@@ -240,6 +242,12 @@ nv04_display_init(struct drm_device *dev)
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
crtc->funcs->restore(crtc); crtc->funcs->restore(crtc);
/* enable hotplug interrupts */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct nouveau_connector *conn = nouveau_connector(connector);
nouveau_gpio_irq(dev, 0, conn->hpd, 0xff, true);
}
return 0; return 0;
} }
......
...@@ -27,6 +27,7 @@ ...@@ -27,6 +27,7 @@
#include "drmP.h" #include "drmP.h"
#include "nouveau_drv.h" #include "nouveau_drv.h"
#include "nouveau_hw.h" #include "nouveau_hw.h"
#include "nouveau_gpio.h"
int int
nv10_gpio_sense(struct drm_device *dev, int line) nv10_gpio_sense(struct drm_device *dev, int line)
...@@ -80,3 +81,43 @@ nv10_gpio_drive(struct drm_device *dev, int line, int dir, int out) ...@@ -80,3 +81,43 @@ nv10_gpio_drive(struct drm_device *dev, int line, int dir, int out)
NVWriteCRTC(dev, 0, reg, mask | (data << line)); NVWriteCRTC(dev, 0, reg, mask | (data << line));
return 0; return 0;
} }
void
nv10_gpio_irq_enable(struct drm_device *dev, int line, bool on)
{
u32 mask = 0x00010001 << line;
nv_wr32(dev, 0x001104, mask);
nv_mask(dev, 0x001144, mask, on ? mask : 0);
}
static void
nv10_gpio_isr(struct drm_device *dev)
{
u32 intr = nv_rd32(dev, 0x1104);
u32 hi = (intr & 0x0000ffff) >> 0;
u32 lo = (intr & 0xffff0000) >> 16;
nouveau_gpio_isr(dev, 0, hi | lo);
nv_wr32(dev, 0x001104, intr);
}
int
nv10_gpio_init(struct drm_device *dev)
{
nv_wr32(dev, 0x001140, 0x00000000);
nv_wr32(dev, 0x001100, 0xffffffff);
nv_wr32(dev, 0x001144, 0x00000000);
nv_wr32(dev, 0x001104, 0xffffffff);
nouveau_irq_register(dev, 28, nv10_gpio_isr); /* PBUS */
return 0;
}
void
nv10_gpio_fini(struct drm_device *dev)
{
nv_wr32(dev, 0x001140, 0x00000000);
nv_wr32(dev, 0x001144, 0x00000000);
nouveau_irq_unregister(dev, 28);
}
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