diff options
Diffstat (limited to 'kernel/drivers/gpu/drm/msm/msm_drv.h')
| -rw-r--r-- | kernel/drivers/gpu/drm/msm/msm_drv.h | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/msm/msm_drv.h b/kernel/drivers/gpu/drm/msm/msm_drv.h new file mode 100644 index 000000000..04db4bd1b --- /dev/null +++ b/kernel/drivers/gpu/drm/msm/msm_drv.h @@ -0,0 +1,316 @@ +/* + * 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/component.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_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_plane_helper.h> +#include <drm/drm_fb_helper.h> +#include <drm/msm_drm.h> +#include <drm/drm_gem.h> + +struct msm_kms; +struct msm_gpu; +struct msm_mmu; +struct msm_rd_state; +struct msm_perf_state; +struct msm_gem_submit; + +#define NUM_DOMAINS 2 /* one for KMS, then one per gpu core (?) */ + +struct msm_file_private { + /* currently we don't do anything useful with this.. but when + * per-context address spaces are supported we'd keep track of + * the context's page-tables here. + */ + int dummy; +}; + +struct msm_drm_private { + + struct msm_kms *kms; + + /* subordinate devices, if present: */ + struct platform_device *gpu_pdev; + + /* possibly this should be in the kms component, but it is + * shared by both mdp4 and mdp5.. + */ + struct hdmi *hdmi; + + /* eDP is for mdp5 only, but kms has not been created + * when edp_bind() and edp_init() are called. Here is the only + * place to keep the edp instance. + */ + struct msm_edp *edp; + + /* DSI is shared by mdp4 and mdp5 */ + struct msm_dsi *dsi[2]; + + /* when we have more than one 'msm_gpu' these need to be an array: */ + struct msm_gpu *gpu; + struct msm_file_private *lastctx; + + struct drm_fb_helper *fbdev; + + uint32_t next_fence, completed_fence; + wait_queue_head_t fence_event; + + struct msm_rd_state *rd; + struct msm_perf_state *perf; + + /* list of GEM objects: */ + struct list_head inactive_list; + + struct workqueue_struct *wq; + + /* callbacks deferred until bo is inactive: */ + struct list_head fence_cbs; + + /* crtcs pending async atomic updates: */ + uint32_t pending_crtcs; + wait_queue_head_t pending_crtcs_event; + + /* registered MMUs: */ + unsigned int num_mmus; + struct msm_mmu *mmus[NUM_DOMAINS]; + + unsigned int num_planes; + struct drm_plane *planes[8]; + + unsigned int num_crtcs; + struct drm_crtc *crtcs[8]; + + unsigned int num_encoders; + struct drm_encoder *encoders[8]; + + unsigned int num_bridges; + struct drm_bridge *bridges[8]; + + 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 { + uint32_t pixel_format; +}; + +/* callback from wq once fence has passed: */ +struct msm_fence_cb { + struct work_struct work; + uint32_t fence; + void (*func)(struct msm_fence_cb *cb); +}; + +void __msm_fence_worker(struct work_struct *work); + +#define INIT_FENCE_CB(_cb, _func) do { \ + INIT_WORK(&(_cb)->work, __msm_fence_worker); \ + (_cb)->func = _func; \ + } while (0) + +int msm_atomic_check(struct drm_device *dev, + struct drm_atomic_state *state); +int msm_atomic_commit(struct drm_device *dev, + struct drm_atomic_state *state, bool async); + +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); +int msm_queue_fence_cb(struct drm_device *dev, + struct msm_fence_cb *cb, uint32_t fence); +void msm_update_fence(struct drm_device *dev, uint32_t fence); + +int msm_ioctl_gem_submit(struct drm_device *dev, void *data, + struct drm_file *file); + +int msm_gem_mmap_obj(struct drm_gem_object *obj, + struct vm_area_struct *vma); +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); +uint32_t msm_gem_iova(struct drm_gem_object *obj, int id); +struct page **msm_gem_get_pages(struct drm_gem_object *obj); +void msm_gem_put_pages(struct drm_gem_object *obj); +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_map_offset(struct drm_file *file, struct drm_device *dev, + uint32_t handle, uint64_t *offset); +struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj); +void *msm_gem_prime_vmap(struct drm_gem_object *obj); +void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); +int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); +struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, + struct dma_buf_attachment *attach, struct sg_table *sg); +int msm_gem_prime_pin(struct drm_gem_object *obj); +void msm_gem_prime_unpin(struct drm_gem_object *obj); +void *msm_gem_vaddr_locked(struct drm_gem_object *obj); +void *msm_gem_vaddr(struct drm_gem_object *obj); +int msm_gem_queue_inactive_cb(struct drm_gem_object *obj, + struct msm_fence_cb *cb); +void msm_gem_move_to_active(struct drm_gem_object *obj, + struct msm_gpu *gpu, bool write, uint32_t fence); +void msm_gem_move_to_inactive(struct drm_gem_object *obj); +int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, + struct timespec *timeout); +int msm_gem_cpu_fini(struct drm_gem_object *obj); +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_gem_import(struct drm_device *dev, + uint32_t size, struct sg_table *sgt); + +int msm_framebuffer_prepare(struct drm_framebuffer *fb, int id); +void msm_framebuffer_cleanup(struct drm_framebuffer *fb, int id); +uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb, int id, int plane); +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 hdmi; +int hdmi_modeset_init(struct hdmi *hdmi, struct drm_device *dev, + struct drm_encoder *encoder); +void __init hdmi_register(void); +void __exit hdmi_unregister(void); + +struct msm_edp; +void __init msm_edp_register(void); +void __exit msm_edp_unregister(void); +int msm_edp_modeset_init(struct msm_edp *edp, struct drm_device *dev, + struct drm_encoder *encoder); + +struct msm_dsi; +enum msm_dsi_encoder_id { + MSM_DSI_VIDEO_ENCODER_ID = 0, + MSM_DSI_CMD_ENCODER_ID = 1, + MSM_DSI_ENCODER_NUM = 2 +}; +#ifdef CONFIG_DRM_MSM_DSI +void __init msm_dsi_register(void); +void __exit msm_dsi_unregister(void); +int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev, + struct drm_encoder *encoders[MSM_DSI_ENCODER_NUM]); +#else +static inline void __init msm_dsi_register(void) +{ +} +static inline void __exit msm_dsi_unregister(void) +{ +} +static inline int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, + struct drm_device *dev, + struct drm_encoder *encoders[MSM_DSI_ENCODER_NUM]) +{ + return -EINVAL; +} +#endif + +#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); +int msm_debugfs_late_init(struct drm_device *dev); +int msm_rd_debugfs_init(struct drm_minor *minor); +void msm_rd_debugfs_cleanup(struct drm_minor *minor); +void msm_rd_dump_submit(struct msm_gem_submit *submit); +int msm_perf_debugfs_init(struct drm_minor *minor); +void msm_perf_debugfs_cleanup(struct drm_minor *minor); +#else +static inline int msm_debugfs_late_init(struct drm_device *dev) { return 0; } +static inline void msm_rd_dump_submit(struct msm_gem_submit *submit) {} +#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 bool fence_completed(struct drm_device *dev, uint32_t fence) +{ + struct msm_drm_private *priv = dev->dev_private; + return priv->completed_fence >= fence; +} + +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 fui(x) ({BUG(); 0;}) +#define util_float_to_half(x) ({BUG(); 0;}) + + +#define FIELD(val, name) (((val) & name ## __MASK) >> name ## __SHIFT) + +/* for conditionally setting boolean flag(s): */ +#define COND(bool, val) ((bool) ? (val) : 0) + + +#endif /* __MSM_DRV_H__ */ |