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path: root/drivers/gpu/drm/gma500/psb_drv.h
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Diffstat (limited to 'drivers/gpu/drm/gma500/psb_drv.h')
-rw-r--r--drivers/gpu/drm/gma500/psb_drv.h203
1 files changed, 47 insertions, 156 deletions
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h
index 5ad6a03e477e..55ebe2bd88dd 100644
--- a/drivers/gpu/drm/gma500/psb_drv.h
+++ b/drivers/gpu/drm/gma500/psb_drv.h
@@ -33,6 +33,18 @@
#include "power.h"
#include "opregion.h"
#include "oaktrail.h"
+#include "mmu.h"
+
+#define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
+#define DRIVER_LICENSE "GPL"
+
+#define DRIVER_NAME "gma500"
+#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
+#define DRIVER_DATE "20140314"
+
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 0
+#define DRIVER_PATCHLEVEL 0
/* Append new drm mode definition here, align with libdrm definition */
#define DRM_MODE_SCALE_NO_SCALE 2
@@ -49,21 +61,7 @@ enum {
#define IS_MFLD(dev) (((dev)->pdev->device & 0xfff8) == 0x0130)
#define IS_CDV(dev) (((dev)->pdev->device & 0xfff0) == 0x0be0)
-/*
- * Driver definitions
- */
-
-#define DRIVER_NAME "gma500"
-#define DRIVER_DESC "DRM driver for the Intel GMA500"
-
-#define PSB_DRM_DRIVER_DATE "2011-06-06"
-#define PSB_DRM_DRIVER_MAJOR 1
-#define PSB_DRM_DRIVER_MINOR 0
-#define PSB_DRM_DRIVER_PATCHLEVEL 0
-
-/*
- * Hardware offsets
- */
+/* Hardware offsets */
#define PSB_VDC_OFFSET 0x00000000
#define PSB_VDC_SIZE 0x000080000
#define MRST_MMIO_SIZE 0x0000C0000
@@ -71,16 +69,14 @@ enum {
#define PSB_SGX_SIZE 0x8000
#define PSB_SGX_OFFSET 0x00040000
#define MRST_SGX_OFFSET 0x00080000
-/*
- * PCI resource identifiers
- */
+
+/* PCI resource identifiers */
#define PSB_MMIO_RESOURCE 0
#define PSB_AUX_RESOURCE 0
#define PSB_GATT_RESOURCE 2
#define PSB_GTT_RESOURCE 3
-/*
- * PCI configuration
- */
+
+/* PCI configuration */
#define PSB_GMCH_CTRL 0x52
#define PSB_BSM 0x5C
#define _PSB_GMCH_ENABLED 0x4
@@ -88,37 +84,29 @@ enum {
#define _PSB_PGETBL_ENABLED 0x00000001
#define PSB_SGX_2D_SLAVE_PORT 0x4000
-/* To get rid of */
+/* TODO: To get rid of */
#define PSB_TT_PRIV0_LIMIT (256*1024*1024)
#define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
-/*
- * SGX side MMU definitions (these can probably go)
- */
+/* SGX side MMU definitions (these can probably go) */
-/*
- * Flags for external memory type field.
- */
+/* Flags for external memory type field */
#define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */
#define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */
#define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */
-/*
- * PTE's and PDE's
- */
+
+/* PTE's and PDE's */
#define PSB_PDE_MASK 0x003FFFFF
#define PSB_PDE_SHIFT 22
#define PSB_PTE_SHIFT 12
-/*
- * Cache control
- */
+
+/* Cache control */
#define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */
#define PSB_PTE_WO 0x0002 /* Write only */
#define PSB_PTE_RO 0x0004 /* Read only */
#define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */
-/*
- * VDC registers and bits
- */
+/* VDC registers and bits */
#define PSB_MSVDX_CLOCKGATING 0x2064
#define PSB_TOPAZ_CLOCKGATING 0x2068
#define PSB_HWSTAM 0x2098
@@ -265,6 +253,7 @@ struct psb_intel_opregion {
struct opregion_asle *asle;
void *vbt;
u32 __iomem *lid_state;
+ struct work_struct asle_work;
};
struct sdvo_device_mapping {
@@ -283,10 +272,7 @@ struct intel_gmbus {
u32 reg0;
};
-/*
- * Register offset maps
- */
-
+/* Register offset maps */
struct psb_offset {
u32 fp0;
u32 fp1;
@@ -320,9 +306,7 @@ struct psb_offset {
* update the register cache instead.
*/
-/*
- * Common status for pipes.
- */
+/* Common status for pipes */
struct psb_pipe {
u32 fp0;
u32 fp1;
@@ -482,35 +466,24 @@ struct drm_psb_private {
struct psb_mmu_driver *mmu;
struct psb_mmu_pd *pf_pd;
- /*
- * Register base
- */
-
+ /* Register base */
uint8_t __iomem *sgx_reg;
uint8_t __iomem *vdc_reg;
uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
uint32_t gatt_free_offset;
- /*
- * Fencing / irq.
- */
-
+ /* Fencing / irq */
uint32_t vdc_irq_mask;
uint32_t pipestat[PSB_NUM_PIPE];
spinlock_t irqmask_lock;
- /*
- * Power
- */
-
+ /* Power */
bool suspended;
bool display_power;
int display_count;
- /*
- * Modesetting
- */
+ /* Modesetting */
struct psb_intel_mode_device mode_dev;
bool modeset; /* true if we have done the mode_device setup */
@@ -518,15 +491,10 @@ struct drm_psb_private {
struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
uint32_t num_pipe;
- /*
- * OSPM info (Power management base) (can go ?)
- */
+ /* OSPM info (Power management base) (TODO: can go ?) */
uint32_t ospm_base;
- /*
- * Sizes info
- */
-
+ /* Sizes info */
u32 fuse_reg_value;
u32 video_device_fuse;
@@ -546,9 +514,7 @@ struct drm_psb_private {
struct drm_property *broadcast_rgb_property;
struct drm_property *force_audio_property;
- /*
- * LVDS info
- */
+ /* LVDS info */
int backlight_duty_cycle; /* restore backlight to this value */
bool panel_wants_dither;
struct drm_display_mode *panel_fixed_mode;
@@ -582,34 +548,23 @@ struct drm_psb_private {
/* Oaktrail HDMI state */
struct oaktrail_hdmi_dev *hdmi_priv;
- /*
- * Register state
- */
-
+ /* Register state */
struct psb_save_area regs;
/* MSI reg save */
uint32_t msi_addr;
uint32_t msi_data;
- /*
- * Hotplug handling
- */
-
+ /* Hotplug handling */
struct work_struct hotplug_work;
- /*
- * LID-Switch
- */
+ /* LID-Switch */
spinlock_t lid_lock;
struct timer_list lid_timer;
struct psb_intel_opregion opregion;
u32 lid_last_state;
- /*
- * Watchdog
- */
-
+ /* Watchdog */
uint32_t apm_reg;
uint16_t apm_base;
@@ -629,9 +584,7 @@ struct drm_psb_private {
/* 2D acceleration */
spinlock_t lock_2d;
- /*
- * Panel brightness
- */
+ /* Panel brightness */
int brightness;
int brightness_adjusted;
@@ -664,10 +617,7 @@ struct drm_psb_private {
};
-/*
- * Operations for each board type
- */
-
+/* Operations for each board type */
struct psb_ops {
const char *name;
unsigned int accel_2d:1;
@@ -713,8 +663,6 @@ struct psb_ops {
-struct psb_mmu_driver;
-
extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
extern int drm_pick_crtcs(struct drm_device *dev);
@@ -723,52 +671,7 @@ static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
return (struct drm_psb_private *) dev->dev_private;
}
-/*
- * MMU stuff.
- */
-
-extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
- int trap_pagefaults,
- int invalid_type,
- struct drm_psb_private *dev_priv);
-extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver);
-extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver
- *driver);
-extern void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, uint32_t mmu_offset,
- uint32_t gtt_start, uint32_t gtt_pages);
-extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
- int trap_pagefaults,
- int invalid_type);
-extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd);
-extern void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot);
-extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
- unsigned long address,
- uint32_t num_pages);
-extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd,
- uint32_t start_pfn,
- unsigned long address,
- uint32_t num_pages, int type);
-extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
- unsigned long *pfn);
-
-/*
- * Enable / disable MMU for different requestors.
- */
-
-
-extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context);
-extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
- unsigned long address, uint32_t num_pages,
- uint32_t desired_tile_stride,
- uint32_t hw_tile_stride, int type);
-extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd,
- unsigned long address, uint32_t num_pages,
- uint32_t desired_tile_stride,
- uint32_t hw_tile_stride);
-/*
- *psb_irq.c
- */
-
+/* psb_irq.c */
extern irqreturn_t psb_irq_handler(int irq, void *arg);
extern int psb_irq_enable_dpst(struct drm_device *dev);
extern int psb_irq_disable_dpst(struct drm_device *dev);
@@ -791,24 +694,17 @@ psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc);
-/*
- * framebuffer.c
- */
+/* framebuffer.c */
extern int psbfb_probed(struct drm_device *dev);
extern int psbfb_remove(struct drm_device *dev,
struct drm_framebuffer *fb);
-/*
- * accel_2d.c
- */
+/* accel_2d.c */
extern void psbfb_copyarea(struct fb_info *info,
const struct fb_copyarea *region);
extern int psbfb_sync(struct fb_info *info);
extern void psb_spank(struct drm_psb_private *dev_priv);
-/*
- * psb_reset.c
- */
-
+/* psb_reset.c */
extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
@@ -867,9 +763,7 @@ extern const struct psb_ops mdfld_chip_ops;
/* cdv_device.c */
extern const struct psb_ops cdv_chip_ops;
-/*
- * Debug print bits setting
- */
+/* Debug print bits setting */
#define PSB_D_GENERAL (1 << 0)
#define PSB_D_INIT (1 << 1)
#define PSB_D_IRQ (1 << 2)
@@ -885,10 +779,7 @@ extern const struct psb_ops cdv_chip_ops;
extern int drm_idle_check_interval;
-/*
- * Utilities
- */
-
+/* Utilities */
static inline u32 MRST_MSG_READ32(uint port, uint offset)
{
int mcr = (0xD0<<24) | (port << 16) | (offset << 8);