From 116870a908edd8da02381d23694b321e8878f92e Mon Sep 17 00:00:00 2001
From: Robert Noland <rnoland@wombat.2hip.net>
Date: Tue, 3 Jun 2008 21:15:54 -0400
Subject: I915 suspend/resume for FreeBSD

---
 bsd-core/i915/Makefile  |  2 +-
 bsd-core/i915_drv.c     | 32 +++++++++++++++++++++++++++++++-
 bsd-core/i915_suspend.c |  1 +
 3 files changed, 33 insertions(+), 2 deletions(-)
 create mode 120000 bsd-core/i915_suspend.c

(limited to 'bsd-core')

diff --git a/bsd-core/i915/Makefile b/bsd-core/i915/Makefile
index 6fd7d728..f88155a5 100644
--- a/bsd-core/i915/Makefile
+++ b/bsd-core/i915/Makefile
@@ -3,7 +3,7 @@
 .PATH:	${.CURDIR}/..
 KMOD	= i915
 NO_MAN	= YES
-SRCS    = i915_dma.c i915_drv.c i915_irq.c i915_mem.c
+SRCS    = i915_dma.c i915_drv.c i915_irq.c i915_mem.c i915_suspend.c
 SRCS   += device_if.h bus_if.h pci_if.h opt_drm.h
 CFLAGS += ${DEBUG_FLAGS} -I. -I..
 
diff --git a/bsd-core/i915_drv.c b/bsd-core/i915_drv.c
index e6769d17..c19ef5db 100644
--- a/bsd-core/i915_drv.c
+++ b/bsd-core/i915_drv.c
@@ -40,10 +40,38 @@ static drm_pci_id_list_t i915_pciidlist[] = {
 	i915_PCI_IDS
 };
 
+static int i915_suspend(device_t nbdev)
+{
+	struct drm_device *dev = device_get_softc(nbdev);
+	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (!dev || !dev_priv) {
+		DRM_ERROR("dev: 0x%lx, dev_priv: 0x%lx\n",
+			(unsigned long) dev, (unsigned long) dev_priv);
+		DRM_ERROR("DRM not initialized, aborting suspend.\n");
+		return -ENODEV;
+	}
+
+	i915_save_state(dev);
+
+	return (bus_generic_suspend(nbdev));
+}
+
+static int i915_resume(device_t nbdev)
+{
+	struct drm_device *dev = device_get_softc(nbdev);
+
+	i915_restore_state(dev);
+
+	return (bus_generic_resume(nbdev));
+}
+
 static void i915_configure(struct drm_device *dev)
 {
-	dev->driver.buf_priv_size	= 1;	/* No dev_priv */
+	dev->driver.buf_priv_size	= sizeof(drm_i915_private_t);
 	dev->driver.load		= i915_driver_load;
+	dev->driver.unload		= i915_driver_unload;
+	dev->driver.firstopen		= i915_driver_firstopen;
 	dev->driver.preclose		= i915_driver_preclose;
 	dev->driver.lastclose		= i915_driver_lastclose;
 	dev->driver.device_is_agp	= i915_driver_device_is_agp;
@@ -94,6 +122,8 @@ static device_method_t i915_methods[] = {
 	/* Device interface */
 	DEVMETHOD(device_probe,		i915_probe),
 	DEVMETHOD(device_attach,	i915_attach),
+	DEVMETHOD(device_suspend,	i915_suspend),
+	DEVMETHOD(device_resume,	i915_resume),
 	DEVMETHOD(device_detach,	drm_detach),
 
 	{ 0, 0 }
diff --git a/bsd-core/i915_suspend.c b/bsd-core/i915_suspend.c
new file mode 120000
index 00000000..b55754c5
--- /dev/null
+++ b/bsd-core/i915_suspend.c
@@ -0,0 +1 @@
+../shared-core/i915_suspend.c
\ No newline at end of file
-- 
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