mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
3d6df06249
We currently get the output connected to LVDS by looking for a phandle called 'qcom,lvds-panel' under the mdp DT node. Use the more standard of_graph approach to create an lvds output port, and retrieve the panel node from the port's endpoint data. v3 - Fix return value checks of of_graph_* calls. Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
336 lines
10 KiB
C
336 lines
10 KiB
C
/*
|
|
* 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 <linux/of_graph.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;
|
|
};
|
|
|
|
enum msm_mdp_plane_property {
|
|
PLANE_PROP_ZPOS,
|
|
PLANE_PROP_ALPHA,
|
|
PLANE_PROP_PREMULTIPLIED,
|
|
PLANE_PROP_MAX_NUM
|
|
};
|
|
|
|
struct msm_vblank_ctrl {
|
|
struct work_struct work;
|
|
struct list_head event_list;
|
|
spinlock_t lock;
|
|
};
|
|
|
|
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];
|
|
|
|
/* Properties */
|
|
struct drm_property *plane_property[PLANE_PROP_MAX_NUM];
|
|
|
|
/* 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_vblank_ctrl vblank_ctrl;
|
|
};
|
|
|
|
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__ */
|