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a1d2a633 QY |
1 | /* SPDX-License-Identifier: GPL-2.0 OR MIT */ |
2 | /* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */ | |
3 | ||
4 | #ifndef __LIMA_DEVICE_H__ | |
5 | #define __LIMA_DEVICE_H__ | |
6 | ||
7 | #include <drm/drm_device.h> | |
8 | #include <linux/delay.h> | |
b78edd46 QY |
9 | #include <linux/list.h> |
10 | #include <linux/mutex.h> | |
a1d2a633 QY |
11 | |
12 | #include "lima_sched.h" | |
b78edd46 | 13 | #include "lima_dump.h" |
19969707 | 14 | #include "lima_devfreq.h" |
a1d2a633 QY |
15 | |
16 | enum lima_gpu_id { | |
17 | lima_gpu_mali400 = 0, | |
18 | lima_gpu_mali450, | |
19 | lima_gpu_num, | |
20 | }; | |
21 | ||
22 | enum lima_ip_id { | |
23 | lima_ip_pmu, | |
24 | lima_ip_gpmmu, | |
25 | lima_ip_ppmmu0, | |
26 | lima_ip_ppmmu1, | |
27 | lima_ip_ppmmu2, | |
28 | lima_ip_ppmmu3, | |
29 | lima_ip_ppmmu4, | |
30 | lima_ip_ppmmu5, | |
31 | lima_ip_ppmmu6, | |
32 | lima_ip_ppmmu7, | |
33 | lima_ip_gp, | |
34 | lima_ip_pp0, | |
35 | lima_ip_pp1, | |
36 | lima_ip_pp2, | |
37 | lima_ip_pp3, | |
38 | lima_ip_pp4, | |
39 | lima_ip_pp5, | |
40 | lima_ip_pp6, | |
41 | lima_ip_pp7, | |
42 | lima_ip_l2_cache0, | |
43 | lima_ip_l2_cache1, | |
44 | lima_ip_l2_cache2, | |
45 | lima_ip_dlbu, | |
46 | lima_ip_bcast, | |
47 | lima_ip_pp_bcast, | |
48 | lima_ip_ppmmu_bcast, | |
49 | lima_ip_num, | |
50 | }; | |
51 | ||
52 | struct lima_device; | |
53 | ||
54 | struct lima_ip { | |
55 | struct lima_device *dev; | |
56 | enum lima_ip_id id; | |
57 | bool present; | |
58 | ||
59 | void __iomem *iomem; | |
60 | int irq; | |
61 | ||
62 | union { | |
63 | /* gp/pp */ | |
64 | bool async_reset; | |
65 | /* l2 cache */ | |
66 | spinlock_t lock; | |
3446d7e9 | 67 | /* pmu/bcast */ |
9f5072a1 | 68 | u32 mask; |
a1d2a633 QY |
69 | } data; |
70 | }; | |
71 | ||
72 | enum lima_pipe_id { | |
73 | lima_pipe_gp, | |
74 | lima_pipe_pp, | |
75 | lima_pipe_num, | |
76 | }; | |
77 | ||
78 | struct lima_device { | |
79 | struct device *dev; | |
80 | struct drm_device *ddev; | |
a1d2a633 QY |
81 | |
82 | enum lima_gpu_id id; | |
83 | u32 gp_version; | |
84 | u32 pp_version; | |
85 | int num_pp; | |
86 | ||
87 | void __iomem *iomem; | |
88 | struct clk *clk_bus; | |
89 | struct clk *clk_gpu; | |
90 | struct reset_control *reset; | |
91 | struct regulator *regulator; | |
92 | ||
93 | struct lima_ip ip[lima_ip_num]; | |
94 | struct lima_sched_pipe pipe[lima_pipe_num]; | |
95 | ||
96 | struct lima_vm *empty_vm; | |
97 | uint64_t va_start; | |
98 | uint64_t va_end; | |
99 | ||
100 | u32 *dlbu_cpu; | |
101 | dma_addr_t dlbu_dma; | |
b78edd46 | 102 | |
19969707 MB |
103 | struct lima_devfreq devfreq; |
104 | ||
b78edd46 QY |
105 | /* debug info */ |
106 | struct lima_dump_head dump; | |
107 | struct list_head error_task_list; | |
108 | struct mutex error_task_list_lock; | |
a1d2a633 QY |
109 | }; |
110 | ||
111 | static inline struct lima_device * | |
112 | to_lima_dev(struct drm_device *dev) | |
113 | { | |
114 | return dev->dev_private; | |
115 | } | |
116 | ||
117 | int lima_device_init(struct lima_device *ldev); | |
118 | void lima_device_fini(struct lima_device *ldev); | |
119 | ||
120 | const char *lima_ip_name(struct lima_ip *ip); | |
121 | ||
122 | typedef int (*lima_poll_func_t)(struct lima_ip *); | |
123 | ||
124 | static inline int lima_poll_timeout(struct lima_ip *ip, lima_poll_func_t func, | |
125 | int sleep_us, int timeout_us) | |
126 | { | |
127 | ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); | |
128 | ||
129 | might_sleep_if(sleep_us); | |
130 | while (1) { | |
131 | if (func(ip)) | |
132 | return 0; | |
133 | ||
134 | if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) | |
135 | return -ETIMEDOUT; | |
136 | ||
137 | if (sleep_us) | |
138 | usleep_range((sleep_us >> 2) + 1, sleep_us); | |
139 | } | |
140 | return 0; | |
141 | } | |
142 | ||
63945d51 QY |
143 | int lima_device_suspend(struct device *dev); |
144 | int lima_device_resume(struct device *dev); | |
145 | ||
a1d2a633 | 146 | #endif |