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c8afe684 RC |
1 | /* |
2 | * Copyright (C) 2013 Red Hat | |
3 | * Author: Rob Clark <robdclark@gmail.com> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License version 2 as published by | |
7 | * the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
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> | |
060530f1 | 25 | #include <linux/component.h> |
c8afe684 RC |
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> | |
3d6df062 | 33 | #include <linux/of_graph.h> |
e9fbdaf2 | 34 | #include <linux/of_device.h> |
c8afe684 RC |
35 | #include <asm/sizes.h> |
36 | ||
c8afe684 | 37 | #include <drm/drmP.h> |
cf3a7e4c RC |
38 | #include <drm/drm_atomic.h> |
39 | #include <drm/drm_atomic_helper.h> | |
c8afe684 | 40 | #include <drm/drm_crtc_helper.h> |
cf3a7e4c | 41 | #include <drm/drm_plane_helper.h> |
c8afe684 | 42 | #include <drm/drm_fb_helper.h> |
7198e6b0 | 43 | #include <drm/msm_drm.h> |
d9fc9413 | 44 | #include <drm/drm_gem.h> |
c8afe684 RC |
45 | |
46 | struct msm_kms; | |
7198e6b0 | 47 | struct msm_gpu; |
871d812a | 48 | struct msm_mmu; |
990a4007 | 49 | struct msm_mdss; |
a7d3c950 | 50 | struct msm_rd_state; |
70c70f09 | 51 | struct msm_perf_state; |
a7d3c950 | 52 | struct msm_gem_submit; |
ca762a8a | 53 | struct msm_fence_context; |
fde5de6c | 54 | struct msm_fence_cb; |
667ce33e RC |
55 | struct msm_gem_address_space; |
56 | struct msm_gem_vma; | |
c8afe684 | 57 | |
7198e6b0 RC |
58 | #define NUM_DOMAINS 2 /* one for KMS, then one per gpu core (?) */ |
59 | ||
60 | struct msm_file_private { | |
61 | /* currently we don't do anything useful with this.. but when | |
62 | * per-context address spaces are supported we'd keep track of | |
63 | * the context's page-tables here. | |
64 | */ | |
65 | int dummy; | |
66 | }; | |
c8afe684 | 67 | |
12987781 | 68 | enum msm_mdp_plane_property { |
69 | PLANE_PROP_ZPOS, | |
70 | PLANE_PROP_ALPHA, | |
71 | PLANE_PROP_PREMULTIPLIED, | |
72 | PLANE_PROP_MAX_NUM | |
73 | }; | |
74 | ||
78b1d470 HL |
75 | struct msm_vblank_ctrl { |
76 | struct work_struct work; | |
77 | struct list_head event_list; | |
78 | spinlock_t lock; | |
79 | }; | |
80 | ||
c8afe684 RC |
81 | struct msm_drm_private { |
82 | ||
68209390 RC |
83 | struct drm_device *dev; |
84 | ||
c8afe684 RC |
85 | struct msm_kms *kms; |
86 | ||
060530f1 | 87 | /* subordinate devices, if present: */ |
067fef37 RC |
88 | struct platform_device *gpu_pdev; |
89 | ||
990a4007 AT |
90 | /* top level MDSS wrapper device (for MDP5 only) */ |
91 | struct msm_mdss *mdss; | |
92 | ||
067fef37 RC |
93 | /* possibly this should be in the kms component, but it is |
94 | * shared by both mdp4 and mdp5.. | |
95 | */ | |
96 | struct hdmi *hdmi; | |
060530f1 | 97 | |
ab5b0107 HL |
98 | /* eDP is for mdp5 only, but kms has not been created |
99 | * when edp_bind() and edp_init() are called. Here is the only | |
100 | * place to keep the edp instance. | |
101 | */ | |
102 | struct msm_edp *edp; | |
103 | ||
a689554b HL |
104 | /* DSI is shared by mdp4 and mdp5 */ |
105 | struct msm_dsi *dsi[2]; | |
106 | ||
7198e6b0 RC |
107 | /* when we have more than one 'msm_gpu' these need to be an array: */ |
108 | struct msm_gpu *gpu; | |
109 | struct msm_file_private *lastctx; | |
110 | ||
c8afe684 RC |
111 | struct drm_fb_helper *fbdev; |
112 | ||
a7d3c950 | 113 | struct msm_rd_state *rd; |
70c70f09 | 114 | struct msm_perf_state *perf; |
a7d3c950 | 115 | |
c8afe684 RC |
116 | /* list of GEM objects: */ |
117 | struct list_head inactive_list; | |
118 | ||
119 | struct workqueue_struct *wq; | |
ba00c3f2 | 120 | struct workqueue_struct *atomic_wq; |
c8afe684 | 121 | |
f86afecf RC |
122 | /* crtcs pending async atomic updates: */ |
123 | uint32_t pending_crtcs; | |
124 | wait_queue_head_t pending_crtcs_event; | |
125 | ||
667ce33e RC |
126 | /* Registered address spaces.. currently this is fixed per # of |
127 | * iommu's. Ie. one for display block and one for gpu block. | |
128 | * Eventually, to do per-process gpu pagetables, we'll want one | |
129 | * of these per-process. | |
130 | */ | |
131 | unsigned int num_aspaces; | |
132 | struct msm_gem_address_space *aspace[NUM_DOMAINS]; | |
c8afe684 | 133 | |
a8623918 | 134 | unsigned int num_planes; |
bc5289ee | 135 | struct drm_plane *planes[16]; |
a8623918 | 136 | |
c8afe684 RC |
137 | unsigned int num_crtcs; |
138 | struct drm_crtc *crtcs[8]; | |
139 | ||
140 | unsigned int num_encoders; | |
141 | struct drm_encoder *encoders[8]; | |
142 | ||
a3376e3e RC |
143 | unsigned int num_bridges; |
144 | struct drm_bridge *bridges[8]; | |
145 | ||
c8afe684 RC |
146 | unsigned int num_connectors; |
147 | struct drm_connector *connectors[8]; | |
871d812a | 148 | |
12987781 | 149 | /* Properties */ |
150 | struct drm_property *plane_property[PLANE_PROP_MAX_NUM]; | |
151 | ||
871d812a RC |
152 | /* VRAM carveout, used when no IOMMU: */ |
153 | struct { | |
154 | unsigned long size; | |
155 | dma_addr_t paddr; | |
156 | /* NOTE: mm managed at the page level, size is in # of pages | |
157 | * and position mm_node->start is in # of pages: | |
158 | */ | |
159 | struct drm_mm mm; | |
160 | } vram; | |
78b1d470 | 161 | |
e1e9db2c | 162 | struct notifier_block vmap_notifier; |
68209390 RC |
163 | struct shrinker shrinker; |
164 | ||
78b1d470 | 165 | struct msm_vblank_ctrl vblank_ctrl; |
d78d383a RC |
166 | |
167 | /* task holding struct_mutex.. currently only used in submit path | |
168 | * to detect and reject faults from copy_from_user() for submit | |
169 | * ioctl. | |
170 | */ | |
171 | struct task_struct *struct_mutex_task; | |
c8afe684 RC |
172 | }; |
173 | ||
174 | struct msm_format { | |
175 | uint32_t pixel_format; | |
176 | }; | |
177 | ||
b4274fbe DV |
178 | int msm_atomic_check(struct drm_device *dev, |
179 | struct drm_atomic_state *state); | |
cf3a7e4c | 180 | int msm_atomic_commit(struct drm_device *dev, |
a3ccfb9f | 181 | struct drm_atomic_state *state, bool nonblock); |
870d738a RC |
182 | struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev); |
183 | void msm_atomic_state_clear(struct drm_atomic_state *state); | |
184 | void msm_atomic_state_free(struct drm_atomic_state *state); | |
cf3a7e4c | 185 | |
667ce33e RC |
186 | int msm_register_address_space(struct drm_device *dev, |
187 | struct msm_gem_address_space *aspace); | |
188 | ||
189 | void msm_gem_unmap_vma(struct msm_gem_address_space *aspace, | |
190 | struct msm_gem_vma *vma, struct sg_table *sgt); | |
191 | int msm_gem_map_vma(struct msm_gem_address_space *aspace, | |
192 | struct msm_gem_vma *vma, struct sg_table *sgt, int npages); | |
193 | ||
ee546cd3 JC |
194 | void msm_gem_address_space_put(struct msm_gem_address_space *aspace); |
195 | ||
667ce33e RC |
196 | struct msm_gem_address_space * |
197 | msm_gem_address_space_create(struct device *dev, struct iommu_domain *domain, | |
198 | const char *name); | |
c8afe684 | 199 | |
40e6815b | 200 | void msm_gem_submit_free(struct msm_gem_submit *submit); |
7198e6b0 RC |
201 | int msm_ioctl_gem_submit(struct drm_device *dev, void *data, |
202 | struct drm_file *file); | |
203 | ||
68209390 RC |
204 | void msm_gem_shrinker_init(struct drm_device *dev); |
205 | void msm_gem_shrinker_cleanup(struct drm_device *dev); | |
206 | ||
77a147e7 DT |
207 | int msm_gem_mmap_obj(struct drm_gem_object *obj, |
208 | struct vm_area_struct *vma); | |
c8afe684 | 209 | int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
11bac800 | 210 | int msm_gem_fault(struct vm_fault *vmf); |
c8afe684 RC |
211 | uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj); |
212 | int msm_gem_get_iova_locked(struct drm_gem_object *obj, int id, | |
78babc16 RC |
213 | uint64_t *iova); |
214 | int msm_gem_get_iova(struct drm_gem_object *obj, int id, uint64_t *iova); | |
215 | uint64_t msm_gem_iova(struct drm_gem_object *obj, int id); | |
05b84911 RC |
216 | struct page **msm_gem_get_pages(struct drm_gem_object *obj); |
217 | void msm_gem_put_pages(struct drm_gem_object *obj); | |
c8afe684 RC |
218 | void msm_gem_put_iova(struct drm_gem_object *obj, int id); |
219 | int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev, | |
220 | struct drm_mode_create_dumb *args); | |
c8afe684 RC |
221 | int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, |
222 | uint32_t handle, uint64_t *offset); | |
05b84911 RC |
223 | struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj); |
224 | void *msm_gem_prime_vmap(struct drm_gem_object *obj); | |
225 | void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); | |
77a147e7 | 226 | int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); |
43523eba | 227 | struct reservation_object *msm_gem_prime_res_obj(struct drm_gem_object *obj); |
05b84911 | 228 | struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, |
b5e9c1a2 | 229 | struct dma_buf_attachment *attach, struct sg_table *sg); |
05b84911 RC |
230 | int msm_gem_prime_pin(struct drm_gem_object *obj); |
231 | void msm_gem_prime_unpin(struct drm_gem_object *obj); | |
18f23049 RC |
232 | void *msm_gem_get_vaddr_locked(struct drm_gem_object *obj); |
233 | void *msm_gem_get_vaddr(struct drm_gem_object *obj); | |
234 | void msm_gem_put_vaddr_locked(struct drm_gem_object *obj); | |
235 | void msm_gem_put_vaddr(struct drm_gem_object *obj); | |
4cd33c48 | 236 | int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv); |
68209390 | 237 | void msm_gem_purge(struct drm_gem_object *obj); |
e1e9db2c | 238 | void msm_gem_vunmap(struct drm_gem_object *obj); |
b6295f9a RC |
239 | int msm_gem_sync_object(struct drm_gem_object *obj, |
240 | struct msm_fence_context *fctx, bool exclusive); | |
7198e6b0 | 241 | void msm_gem_move_to_active(struct drm_gem_object *obj, |
f54d1867 | 242 | struct msm_gpu *gpu, bool exclusive, struct dma_fence *fence); |
7198e6b0 | 243 | void msm_gem_move_to_inactive(struct drm_gem_object *obj); |
ba00c3f2 | 244 | int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout); |
7198e6b0 | 245 | int msm_gem_cpu_fini(struct drm_gem_object *obj); |
c8afe684 RC |
246 | void msm_gem_free_object(struct drm_gem_object *obj); |
247 | int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file, | |
248 | uint32_t size, uint32_t flags, uint32_t *handle); | |
249 | struct drm_gem_object *msm_gem_new(struct drm_device *dev, | |
250 | uint32_t size, uint32_t flags); | |
05b84911 | 251 | struct drm_gem_object *msm_gem_import(struct drm_device *dev, |
79f0e202 | 252 | struct dma_buf *dmabuf, struct sg_table *sgt); |
c8afe684 | 253 | |
2638d90a RC |
254 | int msm_framebuffer_prepare(struct drm_framebuffer *fb, int id); |
255 | void msm_framebuffer_cleanup(struct drm_framebuffer *fb, int id); | |
256 | uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb, int id, int plane); | |
c8afe684 RC |
257 | struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane); |
258 | const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb); | |
259 | struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev, | |
1eb83451 | 260 | const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); |
c8afe684 | 261 | struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev, |
1eb83451 | 262 | struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); |
c8afe684 RC |
263 | |
264 | struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev); | |
1aaa57f5 | 265 | void msm_fbdev_free(struct drm_device *dev); |
c8afe684 | 266 | |
dada25bd | 267 | struct hdmi; |
fcda50c8 | 268 | int msm_hdmi_modeset_init(struct hdmi *hdmi, struct drm_device *dev, |
067fef37 | 269 | struct drm_encoder *encoder); |
fcda50c8 AB |
270 | void __init msm_hdmi_register(void); |
271 | void __exit msm_hdmi_unregister(void); | |
c8afe684 | 272 | |
00453981 HL |
273 | struct msm_edp; |
274 | void __init msm_edp_register(void); | |
275 | void __exit msm_edp_unregister(void); | |
276 | int msm_edp_modeset_init(struct msm_edp *edp, struct drm_device *dev, | |
277 | struct drm_encoder *encoder); | |
278 | ||
a689554b | 279 | struct msm_dsi; |
a689554b HL |
280 | #ifdef CONFIG_DRM_MSM_DSI |
281 | void __init msm_dsi_register(void); | |
282 | void __exit msm_dsi_unregister(void); | |
283 | int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev, | |
97e00119 | 284 | struct drm_encoder *encoder); |
a689554b HL |
285 | #else |
286 | static inline void __init msm_dsi_register(void) | |
287 | { | |
288 | } | |
289 | static inline void __exit msm_dsi_unregister(void) | |
290 | { | |
291 | } | |
292 | static inline int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, | |
97e00119 AT |
293 | struct drm_device *dev, |
294 | struct drm_encoder *encoder) | |
a689554b HL |
295 | { |
296 | return -EINVAL; | |
297 | } | |
298 | #endif | |
299 | ||
1dd0a0b1 AT |
300 | void __init msm_mdp_register(void); |
301 | void __exit msm_mdp_unregister(void); | |
302 | ||
c8afe684 RC |
303 | #ifdef CONFIG_DEBUG_FS |
304 | void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m); | |
305 | void msm_gem_describe_objects(struct list_head *list, struct seq_file *m); | |
306 | void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m); | |
a7d3c950 RC |
307 | int msm_debugfs_late_init(struct drm_device *dev); |
308 | int msm_rd_debugfs_init(struct drm_minor *minor); | |
85eac470 | 309 | void msm_rd_debugfs_cleanup(struct msm_drm_private *priv); |
a7d3c950 | 310 | void msm_rd_dump_submit(struct msm_gem_submit *submit); |
70c70f09 | 311 | int msm_perf_debugfs_init(struct drm_minor *minor); |
85eac470 | 312 | void msm_perf_debugfs_cleanup(struct msm_drm_private *priv); |
a7d3c950 RC |
313 | #else |
314 | static inline int msm_debugfs_late_init(struct drm_device *dev) { return 0; } | |
315 | static inline void msm_rd_dump_submit(struct msm_gem_submit *submit) {} | |
3a270e4d AB |
316 | static inline void msm_rd_debugfs_cleanup(struct msm_drm_private *priv) {} |
317 | static inline void msm_perf_debugfs_cleanup(struct msm_drm_private *priv) {} | |
c8afe684 RC |
318 | #endif |
319 | ||
720c3bb8 | 320 | struct clk *msm_clk_get(struct platform_device *pdev, const char *name); |
c8afe684 RC |
321 | void __iomem *msm_ioremap(struct platform_device *pdev, const char *name, |
322 | const char *dbgname); | |
323 | void msm_writel(u32 data, void __iomem *addr); | |
324 | u32 msm_readl(const void __iomem *addr); | |
325 | ||
7ed216e5 RC |
326 | #define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__) |
327 | #define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__) | |
c8afe684 RC |
328 | |
329 | static inline int align_pitch(int width, int bpp) | |
330 | { | |
331 | int bytespp = (bpp + 7) / 8; | |
332 | /* adreno needs pitch aligned to 32 pixels: */ | |
333 | return bytespp * ALIGN(width, 32); | |
334 | } | |
335 | ||
336 | /* for the generated headers: */ | |
337 | #define INVALID_IDX(idx) ({BUG(); 0;}) | |
7198e6b0 RC |
338 | #define fui(x) ({BUG(); 0;}) |
339 | #define util_float_to_half(x) ({BUG(); 0;}) | |
340 | ||
c8afe684 RC |
341 | |
342 | #define FIELD(val, name) (((val) & name ## __MASK) >> name ## __SHIFT) | |
343 | ||
344 | /* for conditionally setting boolean flag(s): */ | |
345 | #define COND(bool, val) ((bool) ? (val) : 0) | |
346 | ||
340ff410 RC |
347 | static inline unsigned long timeout_to_jiffies(const ktime_t *timeout) |
348 | { | |
349 | ktime_t now = ktime_get(); | |
350 | unsigned long remaining_jiffies; | |
351 | ||
352 | if (ktime_compare(*timeout, now) < 0) { | |
353 | remaining_jiffies = 0; | |
354 | } else { | |
355 | ktime_t rem = ktime_sub(*timeout, now); | |
356 | struct timespec ts = ktime_to_timespec(rem); | |
357 | remaining_jiffies = timespec_to_jiffies(&ts); | |
358 | } | |
359 | ||
360 | return remaining_jiffies; | |
361 | } | |
c8afe684 RC |
362 | |
363 | #endif /* __MSM_DRV_H__ */ |