gma500: initial medfield merge
We need to merge this ahead of some of the cleanup because a lot of needed
cleanup spans both new and old chips. If we try and clean up and the merge
we end up fighting ourselves.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
[With a load of the cleanup stuff folded in, register stuff reworked sanely]
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
index 7be802b..a86fc3c 100644
--- a/drivers/gpu/drm/gma500/psb_irq.c
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -27,6 +27,8 @@
#include "psb_reg.h"
#include "psb_intel_reg.h"
#include "power.h"
+#include "psb_irq.h"
+#include "mdfld_output.h"
/*
* inline functions
@@ -453,6 +455,11 @@
uint32_t reg_val = 0;
uint32_t pipeconf_reg = mid_pipeconf(pipe);
+ /* Medfield is different - we should perhaps extract out vblank
+ and blacklight etc ops */
+ if (IS_MFLD(dev))
+ return mdfld_enable_te(dev, pipe);
+
if (gma_power_begin(dev, false)) {
reg_val = REG_READ(pipeconf_reg);
gma_power_end(dev);
@@ -485,6 +492,8 @@
struct drm_psb_private *dev_priv = dev->dev_private;
unsigned long irqflags;
+ if (IS_MFLD(dev))
+ mdfld_disable_te(dev, pipe);
spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
if (pipe == 0)
@@ -499,6 +508,55 @@
spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
}
+/*
+ * It is used to enable TE interrupt
+ */
+int mdfld_enable_te(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ unsigned long irqflags;
+ uint32_t reg_val = 0;
+ uint32_t pipeconf_reg = mid_pipeconf(pipe);
+
+ if (gma_power_begin(dev, false)) {
+ reg_val = REG_READ(pipeconf_reg);
+ gma_power_end(dev);
+ }
+
+ if (!(reg_val & PIPEACONF_ENABLE))
+ return -EINVAL;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ mid_enable_pipe_event(dev_priv, pipe);
+ psb_enable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+
+ return 0;
+}
+
+/*
+ * It is used to disable TE interrupt
+ */
+void mdfld_disable_te(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ unsigned long irqflags;
+
+ if (!dev_priv->dsr_enable)
+ return;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ mid_disable_pipe_event(dev_priv, pipe);
+ psb_disable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+}
+
/* Called from drm generic code, passed a 'crtc', which
* we use as a pipe index
*/