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path: root/drivers/gpu/drm/msm/msm_drv.h
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.h')
-rw-r--r--drivers/gpu/drm/msm/msm_drv.h64
1 files changed, 27 insertions, 37 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index d39f0862b19..3d63269c5b2 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -31,6 +31,15 @@
#include <linux/types.h>
#include <asm/sizes.h>
+
+#if defined(CONFIG_COMPILE_TEST) && !defined(CONFIG_ARCH_MSM)
+/* stubs we need for compile-test: */
+static inline struct device *msm_iommu_get_ctx(const char *ctx_name)
+{
+ return NULL;
+}
+#endif
+
#ifndef CONFIG_OF
#include <mach/board.h>
#include <mach/socinfo.h>
@@ -44,6 +53,7 @@
struct msm_kms;
struct msm_gpu;
+struct msm_mmu;
#define NUM_DOMAINS 2 /* one for KMS, then one per gpu core (?) */
@@ -76,9 +86,9 @@ struct msm_drm_private {
/* callbacks deferred until bo is inactive: */
struct list_head fence_cbs;
- /* registered IOMMU domains: */
- unsigned int num_iommus;
- struct iommu_domain *iommus[NUM_DOMAINS];
+ /* registered MMUs: */
+ unsigned int num_mmus;
+ struct msm_mmu *mmus[NUM_DOMAINS];
unsigned int num_planes;
struct drm_plane *planes[8];
@@ -94,6 +104,16 @@ struct msm_drm_private {
unsigned int num_connectors;
struct drm_connector *connectors[8];
+
+ /* VRAM carveout, used when no IOMMU: */
+ struct {
+ unsigned long size;
+ dma_addr_t paddr;
+ /* NOTE: mm managed at the page level, size is in # of pages
+ * and position mm_node->start is in # of pages:
+ */
+ struct drm_mm mm;
+ } vram;
};
struct msm_format {
@@ -114,39 +134,7 @@ void __msm_fence_worker(struct work_struct *work);
(_cb)->func = _func; \
} while (0)
-/* As there are different display controller blocks depending on the
- * snapdragon version, the kms support is split out and the appropriate
- * implementation is loaded at runtime. The kms module is responsible
- * for constructing the appropriate planes/crtcs/encoders/connectors.
- */
-struct msm_kms_funcs {
- /* hw initialization: */
- int (*hw_init)(struct msm_kms *kms);
- /* irq handling: */
- void (*irq_preinstall)(struct msm_kms *kms);
- int (*irq_postinstall)(struct msm_kms *kms);
- void (*irq_uninstall)(struct msm_kms *kms);
- irqreturn_t (*irq)(struct msm_kms *kms);
- int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
- void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
- /* misc: */
- const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format);
- long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,
- struct drm_encoder *encoder);
- /* cleanup: */
- void (*preclose)(struct msm_kms *kms, struct drm_file *file);
- void (*destroy)(struct msm_kms *kms);
-};
-
-struct msm_kms {
- const struct msm_kms_funcs *funcs;
-};
-
-struct msm_kms *mdp4_kms_init(struct drm_device *dev);
-
-int msm_register_iommu(struct drm_device *dev, struct iommu_domain *iommu);
-int msm_iommu_attach(struct drm_device *dev, struct iommu_domain *iommu,
- const char **names, int cnt);
+int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu);
int msm_wait_fence_interruptable(struct drm_device *dev, uint32_t fence,
struct timespec *timeout);
@@ -202,7 +190,9 @@ struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev,
struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev);
-int hdmi_init(struct drm_device *dev, struct drm_encoder *encoder);
+struct hdmi;
+struct hdmi *hdmi_init(struct drm_device *dev, struct drm_encoder *encoder);
+irqreturn_t hdmi_irq(int irq, void *dev_id);
void __init hdmi_register(void);
void __exit hdmi_unregister(void);