/*
* 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(struct drm_device *dev, uint32_t fence,
ktime_t *timeout, bool interruptible);
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,
ktime_t *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__ */
