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author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2012-03-08 16:02:20 (GMT) |
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committer | Dave Airlie <airlied@redhat.com> | 2012-03-10 13:05:48 (GMT) |
commit | 026abc333205c1fff80138b8c2cac3d0347685f4 (patch) | |
tree | dbcb2ad763f96b5f0c99ec5650f477aa103a8528 /drivers/gpu/drm/gma500/psb_irq.c | |
parent | c6265ff593467d472814aa9f16f89f6c1dc90a5d (diff) | |
download | linux-fsl-qoriq-026abc333205c1fff80138b8c2cac3d0347685f4.tar.xz |
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>
Diffstat (limited to 'drivers/gpu/drm/gma500/psb_irq.c')
-rw-r--r-- | drivers/gpu/drm/gma500/psb_irq.c | 58 |
1 files changed, 58 insertions, 0 deletions
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 @@ int psb_enable_vblank(struct drm_device *dev, int pipe) 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 @@ void psb_disable_vblank(struct drm_device *dev, int pipe) 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 @@ void psb_disable_vblank(struct drm_device *dev, int pipe) 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 */ |