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18#ifndef __MSM_DRV_H__
19#define __MSM_DRV_H__
20
21#include <linux/kernel.h>
22#include <linux/clk.h>
23#include <linux/cpufreq.h>
24#include <linux/module.h>
25#include <linux/component.h>
26#include <linux/platform_device.h>
27#include <linux/pm.h>
28#include <linux/pm_runtime.h>
29#include <linux/slab.h>
30#include <linux/list.h>
31#include <linux/iommu.h>
32#include <linux/types.h>
33#include <linux/of_graph.h>
34#include <linux/of_device.h>
35#include <asm/sizes.h>
36
37#include <drm/drmP.h>
38#include <drm/drm_atomic.h>
39#include <drm/drm_atomic_helper.h>
40#include <drm/drm_crtc_helper.h>
41#include <drm/drm_plane_helper.h>
42#include <drm/drm_fb_helper.h>
43#include <drm/msm_drm.h>
44#include <drm/drm_gem.h>
45
46struct msm_kms;
47struct msm_gpu;
48struct msm_mmu;
49struct msm_mdss;
50struct msm_rd_state;
51struct msm_perf_state;
52struct msm_gem_submit;
53struct msm_fence_context;
54struct msm_fence_cb;
55
56#define NUM_DOMAINS 2
57
58struct msm_file_private {
59
60
61
62
63 int dummy;
64};
65
66enum msm_mdp_plane_property {
67 PLANE_PROP_ZPOS,
68 PLANE_PROP_ALPHA,
69 PLANE_PROP_PREMULTIPLIED,
70 PLANE_PROP_MAX_NUM
71};
72
73struct msm_vblank_ctrl {
74 struct work_struct work;
75 struct list_head event_list;
76 spinlock_t lock;
77};
78
79struct msm_drm_private {
80
81 struct drm_device *dev;
82
83 struct msm_kms *kms;
84
85
86 struct platform_device *gpu_pdev;
87
88
89 struct msm_mdss *mdss;
90
91
92
93
94 struct hdmi *hdmi;
95
96
97
98
99
100 struct msm_edp *edp;
101
102
103 struct msm_dsi *dsi[2];
104
105
106 struct msm_gpu *gpu;
107 struct msm_file_private *lastctx;
108
109 struct drm_fb_helper *fbdev;
110
111 struct msm_rd_state *rd;
112 struct msm_perf_state *perf;
113
114
115 struct list_head inactive_list;
116
117 struct workqueue_struct *wq;
118 struct workqueue_struct *atomic_wq;
119
120
121 uint32_t pending_crtcs;
122 wait_queue_head_t pending_crtcs_event;
123
124
125 unsigned int num_mmus;
126 struct msm_mmu *mmus[NUM_DOMAINS];
127
128 unsigned int num_planes;
129 struct drm_plane *planes[8];
130
131 unsigned int num_crtcs;
132 struct drm_crtc *crtcs[8];
133
134 unsigned int num_encoders;
135 struct drm_encoder *encoders[8];
136
137 unsigned int num_bridges;
138 struct drm_bridge *bridges[8];
139
140 unsigned int num_connectors;
141 struct drm_connector *connectors[8];
142
143
144 struct drm_property *plane_property[PLANE_PROP_MAX_NUM];
145
146
147 struct {
148 unsigned long size;
149 dma_addr_t paddr;
150
151
152
153 struct drm_mm mm;
154 } vram;
155
156 struct notifier_block vmap_notifier;
157 struct shrinker shrinker;
158
159 struct msm_vblank_ctrl vblank_ctrl;
160
161
162
163
164
165 struct task_struct *struct_mutex_task;
166};
167
168struct msm_format {
169 uint32_t pixel_format;
170};
171
172int msm_atomic_check(struct drm_device *dev,
173 struct drm_atomic_state *state);
174int msm_atomic_commit(struct drm_device *dev,
175 struct drm_atomic_state *state, bool nonblock);
176
177int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu);
178
179void msm_gem_submit_free(struct msm_gem_submit *submit);
180int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
181 struct drm_file *file);
182
183void msm_gem_shrinker_init(struct drm_device *dev);
184void msm_gem_shrinker_cleanup(struct drm_device *dev);
185
186int msm_gem_mmap_obj(struct drm_gem_object *obj,
187 struct vm_area_struct *vma);
188int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
189int msm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
190uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj);
191int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id,
192 uint32_t *iova);
193int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint32_t *iova);
194uint32_t msm_gem_iova(struct drm_gem_object *obj, int id);
195struct page **msm_gem_get_pages(struct drm_gem_object *obj);
196void msm_gem_put_pages(struct drm_gem_object *obj);
197void msm_gem_put_iova(struct drm_gem_object *obj, int id);
198int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
199 struct drm_mode_create_dumb *args);
200int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
201 uint32_t handle, uint64_t *offset);
202struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj);
203void *msm_gem_prime_vmap(struct drm_gem_object *obj);
204void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
205int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
206struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
207 struct dma_buf_attachment *attach, struct sg_table *sg);
208int msm_gem_prime_pin(struct drm_gem_object *obj);
209void msm_gem_prime_unpin(struct drm_gem_object *obj);
210void *msm_gem_get_vaddr_locked(struct drm_gem_object *obj);
211void *msm_gem_get_vaddr(struct drm_gem_object *obj);
212void msm_gem_put_vaddr_locked(struct drm_gem_object *obj);
213void msm_gem_put_vaddr(struct drm_gem_object *obj);
214int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv);
215void msm_gem_purge(struct drm_gem_object *obj);
216void msm_gem_vunmap(struct drm_gem_object *obj);
217int msm_gem_sync_object(struct drm_gem_object *obj,
218 struct msm_fence_context *fctx, bool exclusive);
219void msm_gem_move_to_active(struct drm_gem_object *obj,
220 struct msm_gpu *gpu, bool exclusive, struct fence *fence);
221void msm_gem_move_to_inactive(struct drm_gem_object *obj);
222int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout);
223int msm_gem_cpu_fini(struct drm_gem_object *obj);
224void msm_gem_free_object(struct drm_gem_object *obj);
225int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
226 uint32_t size, uint32_t flags, uint32_t *handle);
227struct drm_gem_object *msm_gem_new(struct drm_device *dev,
228 uint32_t size, uint32_t flags);
229struct drm_gem_object *msm_gem_import(struct drm_device *dev,
230 struct dma_buf *dmabuf, struct sg_table *sgt);
231
232int msm_framebuffer_prepare(struct drm_framebuffer *fb, int id);
233void msm_framebuffer_cleanup(struct drm_framebuffer *fb, int id);
234uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb, int id, int plane);
235struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane);
236const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb);
237struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev,
238 const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
239struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev,
240 struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
241
242struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev);
243void msm_fbdev_free(struct drm_device *dev);
244
245struct hdmi;
246int msm_hdmi_modeset_init(struct hdmi *hdmi, struct drm_device *dev,
247 struct drm_encoder *encoder);
248void __init msm_hdmi_register(void);
249void __exit msm_hdmi_unregister(void);
250
251struct msm_edp;
252void __init msm_edp_register(void);
253void __exit msm_edp_unregister(void);
254int msm_edp_modeset_init(struct msm_edp *edp, struct drm_device *dev,
255 struct drm_encoder *encoder);
256
257struct msm_dsi;
258enum msm_dsi_encoder_id {
259 MSM_DSI_VIDEO_ENCODER_ID = 0,
260 MSM_DSI_CMD_ENCODER_ID = 1,
261 MSM_DSI_ENCODER_NUM = 2
262};
263#ifdef CONFIG_DRM_MSM_DSI
264void __init msm_dsi_register(void);
265void __exit msm_dsi_unregister(void);
266int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
267 struct drm_encoder *encoders[MSM_DSI_ENCODER_NUM]);
268#else
269static inline void __init msm_dsi_register(void)
270{
271}
272static inline void __exit msm_dsi_unregister(void)
273{
274}
275static inline int msm_dsi_modeset_init(struct msm_dsi *msm_dsi,
276 struct drm_device *dev,
277 struct drm_encoder *encoders[MSM_DSI_ENCODER_NUM])
278{
279 return -EINVAL;
280}
281#endif
282
283void __init msm_mdp_register(void);
284void __exit msm_mdp_unregister(void);
285
286#ifdef CONFIG_DEBUG_FS
287void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
288void msm_gem_describe_objects(struct list_head *list, struct seq_file *m);
289void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
290int msm_debugfs_late_init(struct drm_device *dev);
291int msm_rd_debugfs_init(struct drm_minor *minor);
292void msm_rd_debugfs_cleanup(struct drm_minor *minor);
293void msm_rd_dump_submit(struct msm_gem_submit *submit);
294int msm_perf_debugfs_init(struct drm_minor *minor);
295void msm_perf_debugfs_cleanup(struct drm_minor *minor);
296#else
297static inline int msm_debugfs_late_init(struct drm_device *dev) { return 0; }
298static inline void msm_rd_dump_submit(struct msm_gem_submit *submit) {}
299#endif
300
301void __iomem *msm_ioremap(struct platform_device *pdev, const char *name,
302 const char *dbgname);
303void msm_writel(u32 data, void __iomem *addr);
304u32 msm_readl(const void __iomem *addr);
305
306#define DBG(fmt, ...) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
307#define VERB(fmt, ...) if (0) DRM_DEBUG(fmt"\n", ##__VA_ARGS__)
308
309static inline int align_pitch(int width, int bpp)
310{
311 int bytespp = (bpp + 7) / 8;
312
313 return bytespp * ALIGN(width, 32);
314}
315
316
317#define INVALID_IDX(idx) ({BUG(); 0;})
318#define fui(x) ({BUG(); 0;})
319#define util_float_to_half(x) ({BUG(); 0;})
320
321
322#define FIELD(val, name) (((val) & name ## __MASK) >> name ## __SHIFT)
323
324
325#define COND(bool, val) ((bool) ? (val) : 0)
326
327static inline unsigned long timeout_to_jiffies(const ktime_t *timeout)
328{
329 ktime_t now = ktime_get();
330 unsigned long remaining_jiffies;
331
332 if (ktime_compare(*timeout, now) < 0) {
333 remaining_jiffies = 0;
334 } else {
335 ktime_t rem = ktime_sub(*timeout, now);
336 struct timespec ts = ktime_to_timespec(rem);
337 remaining_jiffies = timespec_to_jiffies(&ts);
338 }
339
340 return remaining_jiffies;
341}
342
343#endif
344