diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h new file mode 100644 index 0000000..36f8ba2 --- /dev/null +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -0,0 +1,187 @@ +/* + * Copyright (C) 2013 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MSM_DRV_H__ +#define __MSM_DRV_H__ + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/cpufreq.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> +#include <linux/slab.h> +#include <linux/list.h> +#include <linux/iommu.h> +#include <linux/types.h> +#include <asm/sizes.h> + +#ifndef CONFIG_OF +#include <mach/board.h> +#include <mach/socinfo.h> +#include <mach/iommu_domains.h> +#endif + +#include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_fb_helper.h> + +struct msm_kms; + +#define NUM_DOMAINS 1 /* one for KMS, then one per gpu core (?) */ + +struct msm_drm_private { + + struct msm_kms *kms; + + struct drm_fb_helper *fbdev; + + /* list of GEM objects: */ + struct list_head inactive_list; + + struct workqueue_struct *wq; + + /* registered IOMMU domains: */ + unsigned int num_iommus; + struct iommu_domain *iommus[NUM_DOMAINS]; + + unsigned int num_crtcs; + struct drm_crtc *crtcs[8]; + + unsigned int num_encoders; + struct drm_encoder *encoders[8]; + + unsigned int num_connectors; + struct drm_connector *connectors[8]; +}; + +struct msm_format { + uint32_t pixel_format; +}; + +/* 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_gem_mmap(struct file *filp, struct vm_area_struct *vma); +int msm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj); +int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, + uint32_t *iova); +int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint32_t *iova); +void msm_gem_put_iova(struct drm_gem_object *obj, int id); +int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev, + struct drm_mode_create_dumb *args); +int msm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, + uint32_t handle); +int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, + uint32_t handle, uint64_t *offset); +void *msm_gem_vaddr_locked(struct drm_gem_object *obj); +void *msm_gem_vaddr(struct drm_gem_object *obj); +int msm_gem_queue_inactive_work(struct drm_gem_object *obj, + struct work_struct *work); +void msm_gem_free_object(struct drm_gem_object *obj); +int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file, + uint32_t size, uint32_t flags, uint32_t *handle); +struct drm_gem_object *msm_gem_new(struct drm_device *dev, + uint32_t size, uint32_t flags); + +struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane); +const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb); +struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev, + struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); +struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev, + struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd); + +struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev); + +struct drm_connector *hdmi_connector_init(struct drm_device *dev, + struct drm_encoder *encoder); +void __init hdmi_register(void); +void __exit hdmi_unregister(void); + +#ifdef CONFIG_DEBUG_FS +void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m); +void msm_gem_describe_objects(struct list_head *list, struct seq_file *m); +void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); +#endif + +void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, + const char *dbgname); +void msm_writel(u32 data, void __iomem *addr); +u32 msm_readl(const void __iomem *addr); + +#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) +#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt"\n", ##__VA_ARGS__) + +static inline int align_pitch(int width, int bpp) +{ + int bytespp = (bpp + 7) / 8; + /* adreno needs pitch aligned to 32 pixels: */ + return bytespp * ALIGN(width, 32); +} + +/* for the generated headers: */ +#define INVALID_IDX(idx) ({BUG(); 0;}) + +#define FIELD(val, name) (((val) & name ## __MASK) >> name ## __SHIFT) + +/* for conditionally setting boolean flag(s): */ +#define COND(bool, val) ((bool) ? (val) : 0) + +/* just put these here until we start adding driver private ioctls: */ +// TODO might shuffle these around.. just need something for now.. +#define MSM_BO_CACHE_MASK 0x0000000f +#define MSM_BO_SCANOUT 0x00010000 /* scanout capable */ + +#define MSM_BO_CACHED 0x00000001 /* default */ +#define MSM_BO_WC 0x0000002 +#define MSM_BO_UNCACHED 0x00000004 + + +#endif /* __MSM_DRV_H__ */ |
