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Commit | Line | Data |
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9952f691 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
75471687 | 2 | /* |
d4b57818 | 3 | * Copyright (c) 2012-2015, NVIDIA Corporation. |
75471687 TB |
4 | */ |
5 | ||
6 | #ifndef HOST1X_DEV_H | |
7 | #define HOST1X_DEV_H | |
8 | ||
75471687 | 9 | #include <linux/device.h> |
404bfb78 MP |
10 | #include <linux/iommu.h> |
11 | #include <linux/iova.h> | |
7e7d432c | 12 | #include <linux/platform_device.h> |
b386c6b7 | 13 | #include <linux/reset.h> |
75471687 | 14 | |
7e7d432c | 15 | #include "cdma.h" |
6579324a | 16 | #include "channel.h" |
7ede0b0b | 17 | #include "intr.h" |
6579324a | 18 | #include "job.h" |
7e7d432c | 19 | #include "syncpt.h" |
75471687 TB |
20 | |
21 | struct host1x_syncpt; | |
f5a954fe | 22 | struct host1x_syncpt_base; |
6579324a TB |
23 | struct host1x_channel; |
24 | struct host1x_cdma; | |
25 | struct host1x_job; | |
26 | struct push_buffer; | |
6236451d TB |
27 | struct output; |
28 | struct dentry; | |
6579324a TB |
29 | |
30 | struct host1x_channel_ops { | |
31 | int (*init)(struct host1x_channel *channel, struct host1x *host, | |
32 | unsigned int id); | |
33 | int (*submit)(struct host1x_job *job); | |
34 | }; | |
35 | ||
36 | struct host1x_cdma_ops { | |
37 | void (*start)(struct host1x_cdma *cdma); | |
38 | void (*stop)(struct host1x_cdma *cdma); | |
39 | void (*flush)(struct host1x_cdma *cdma); | |
5c0d8d38 | 40 | int (*timeout_init)(struct host1x_cdma *cdma, unsigned int syncpt); |
6579324a TB |
41 | void (*timeout_destroy)(struct host1x_cdma *cdma); |
42 | void (*freeze)(struct host1x_cdma *cdma); | |
43 | void (*resume)(struct host1x_cdma *cdma, u32 getptr); | |
44 | void (*timeout_cpu_incr)(struct host1x_cdma *cdma, u32 getptr, | |
45 | u32 syncpt_incrs, u32 syncval, u32 nr_slots); | |
46 | }; | |
47 | ||
48 | struct host1x_pushbuffer_ops { | |
49 | void (*init)(struct push_buffer *pb); | |
50 | }; | |
75471687 | 51 | |
6236451d TB |
52 | struct host1x_debug_ops { |
53 | void (*debug_init)(struct dentry *de); | |
54 | void (*show_channel_cdma)(struct host1x *host, | |
55 | struct host1x_channel *ch, | |
56 | struct output *o); | |
57 | void (*show_channel_fifo)(struct host1x *host, | |
58 | struct host1x_channel *ch, | |
59 | struct output *o); | |
60 | void (*show_mlocks)(struct host1x *host, struct output *output); | |
61 | ||
62 | }; | |
63 | ||
75471687 TB |
64 | struct host1x_syncpt_ops { |
65 | void (*restore)(struct host1x_syncpt *syncpt); | |
66 | void (*restore_wait_base)(struct host1x_syncpt *syncpt); | |
67 | void (*load_wait_base)(struct host1x_syncpt *syncpt); | |
68 | u32 (*load)(struct host1x_syncpt *syncpt); | |
ebae30b1 | 69 | int (*cpu_incr)(struct host1x_syncpt *syncpt); |
c3f52220 MP |
70 | void (*assign_to_channel)(struct host1x_syncpt *syncpt, |
71 | struct host1x_channel *channel); | |
72 | void (*enable_protection)(struct host1x *host); | |
75471687 TB |
73 | }; |
74 | ||
7ede0b0b TB |
75 | struct host1x_intr_ops { |
76 | int (*init_host_sync)(struct host1x *host, u32 cpm, | |
77 | void (*syncpt_thresh_work)(struct work_struct *work)); | |
78 | void (*set_syncpt_threshold)( | |
5c0d8d38 TR |
79 | struct host1x *host, unsigned int id, u32 thresh); |
80 | void (*enable_syncpt_intr)(struct host1x *host, unsigned int id); | |
81 | void (*disable_syncpt_intr)(struct host1x *host, unsigned int id); | |
7ede0b0b TB |
82 | void (*disable_all_syncpt_intrs)(struct host1x *host); |
83 | int (*free_syncpt_irq)(struct host1x *host); | |
84 | }; | |
85 | ||
6841482b TR |
86 | struct host1x_sid_entry { |
87 | unsigned int base; | |
88 | unsigned int offset; | |
89 | unsigned int limit; | |
90 | }; | |
91 | ||
75471687 | 92 | struct host1x_info { |
14c95fc8 TR |
93 | unsigned int nb_channels; /* host1x: number of channels supported */ |
94 | unsigned int nb_pts; /* host1x: number of syncpoints supported */ | |
95 | unsigned int nb_bases; /* host1x: number of syncpoint bases supported */ | |
96 | unsigned int nb_mlocks; /* host1x: number of mlocks supported */ | |
97 | int (*init)(struct host1x *host1x); /* initialize per SoC ops */ | |
98 | unsigned int sync_offset; /* offset of syncpoint registers */ | |
99 | u64 dma_mask; /* mask of addressable memory */ | |
06867a36 | 100 | bool has_wide_gather; /* supports GATHER_W opcode */ |
f1b53c4e | 101 | bool has_hypervisor; /* has hypervisor registers */ |
6841482b TR |
102 | unsigned int num_sid_entries; |
103 | const struct host1x_sid_entry *sid_table; | |
75471687 TB |
104 | }; |
105 | ||
106 | struct host1x { | |
107 | const struct host1x_info *info; | |
108 | ||
109 | void __iomem *regs; | |
f1b53c4e | 110 | void __iomem *hv_regs; /* hypervisor region */ |
75471687 | 111 | struct host1x_syncpt *syncpt; |
f5a954fe | 112 | struct host1x_syncpt_base *bases; |
75471687 TB |
113 | struct device *dev; |
114 | struct clk *clk; | |
b386c6b7 | 115 | struct reset_control *rst; |
75471687 | 116 | |
41c3068c | 117 | struct iommu_group *group; |
404bfb78 MP |
118 | struct iommu_domain *domain; |
119 | struct iova_domain iova; | |
120 | dma_addr_t iova_end; | |
121 | ||
7ede0b0b | 122 | struct mutex intr_mutex; |
7ede0b0b TB |
123 | int intr_syncpt_irq; |
124 | ||
75471687 | 125 | const struct host1x_syncpt_ops *syncpt_op; |
7ede0b0b | 126 | const struct host1x_intr_ops *intr_op; |
6579324a TB |
127 | const struct host1x_channel_ops *channel_op; |
128 | const struct host1x_cdma_ops *cdma_op; | |
129 | const struct host1x_pushbuffer_ops *cdma_pb_op; | |
6236451d | 130 | const struct host1x_debug_ops *debug_op; |
7ede0b0b | 131 | |
6579324a TB |
132 | struct host1x_syncpt *nop_sp; |
133 | ||
d4b57818 | 134 | struct mutex syncpt_mutex; |
8474b025 MP |
135 | |
136 | struct host1x_channel_list channel_list; | |
6236451d TB |
137 | |
138 | struct dentry *debugfs; | |
692e6d7b | 139 | |
776dc384 TR |
140 | struct mutex devices_lock; |
141 | struct list_head devices; | |
142 | ||
143 | struct list_head list; | |
d98914eb TR |
144 | |
145 | struct device_dma_parameters dma_parms; | |
75471687 TB |
146 | }; |
147 | ||
f1b53c4e MP |
148 | void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v); |
149 | u32 host1x_hypervisor_readl(struct host1x *host1x, u32 r); | |
75471687 TB |
150 | void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v); |
151 | u32 host1x_sync_readl(struct host1x *host1x, u32 r); | |
6579324a TB |
152 | void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v); |
153 | u32 host1x_ch_readl(struct host1x_channel *ch, u32 r); | |
75471687 TB |
154 | |
155 | static inline void host1x_hw_syncpt_restore(struct host1x *host, | |
156 | struct host1x_syncpt *sp) | |
157 | { | |
158 | host->syncpt_op->restore(sp); | |
159 | } | |
160 | ||
161 | static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host, | |
162 | struct host1x_syncpt *sp) | |
163 | { | |
164 | host->syncpt_op->restore_wait_base(sp); | |
165 | } | |
166 | ||
167 | static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host, | |
168 | struct host1x_syncpt *sp) | |
169 | { | |
170 | host->syncpt_op->load_wait_base(sp); | |
171 | } | |
172 | ||
173 | static inline u32 host1x_hw_syncpt_load(struct host1x *host, | |
174 | struct host1x_syncpt *sp) | |
175 | { | |
176 | return host->syncpt_op->load(sp); | |
177 | } | |
178 | ||
ebae30b1 AM |
179 | static inline int host1x_hw_syncpt_cpu_incr(struct host1x *host, |
180 | struct host1x_syncpt *sp) | |
75471687 | 181 | { |
ebae30b1 | 182 | return host->syncpt_op->cpu_incr(sp); |
75471687 TB |
183 | } |
184 | ||
c3f52220 MP |
185 | static inline void host1x_hw_syncpt_assign_to_channel( |
186 | struct host1x *host, struct host1x_syncpt *sp, | |
187 | struct host1x_channel *ch) | |
188 | { | |
189 | return host->syncpt_op->assign_to_channel(sp, ch); | |
190 | } | |
191 | ||
192 | static inline void host1x_hw_syncpt_enable_protection(struct host1x *host) | |
193 | { | |
194 | return host->syncpt_op->enable_protection(host); | |
195 | } | |
196 | ||
7ede0b0b TB |
197 | static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm, |
198 | void (*syncpt_thresh_work)(struct work_struct *)) | |
199 | { | |
200 | return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work); | |
201 | } | |
202 | ||
203 | static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host, | |
5c0d8d38 TR |
204 | unsigned int id, |
205 | u32 thresh) | |
7ede0b0b TB |
206 | { |
207 | host->intr_op->set_syncpt_threshold(host, id, thresh); | |
208 | } | |
209 | ||
210 | static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host, | |
5c0d8d38 | 211 | unsigned int id) |
7ede0b0b TB |
212 | { |
213 | host->intr_op->enable_syncpt_intr(host, id); | |
214 | } | |
215 | ||
216 | static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host, | |
5c0d8d38 | 217 | unsigned int id) |
7ede0b0b TB |
218 | { |
219 | host->intr_op->disable_syncpt_intr(host, id); | |
220 | } | |
221 | ||
222 | static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host) | |
223 | { | |
224 | host->intr_op->disable_all_syncpt_intrs(host); | |
225 | } | |
226 | ||
227 | static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host) | |
228 | { | |
229 | return host->intr_op->free_syncpt_irq(host); | |
230 | } | |
6579324a TB |
231 | |
232 | static inline int host1x_hw_channel_init(struct host1x *host, | |
233 | struct host1x_channel *channel, | |
5c0d8d38 | 234 | unsigned int id) |
6579324a | 235 | { |
5c0d8d38 | 236 | return host->channel_op->init(channel, host, id); |
6579324a TB |
237 | } |
238 | ||
239 | static inline int host1x_hw_channel_submit(struct host1x *host, | |
240 | struct host1x_job *job) | |
241 | { | |
242 | return host->channel_op->submit(job); | |
243 | } | |
244 | ||
245 | static inline void host1x_hw_cdma_start(struct host1x *host, | |
246 | struct host1x_cdma *cdma) | |
247 | { | |
248 | host->cdma_op->start(cdma); | |
249 | } | |
250 | ||
251 | static inline void host1x_hw_cdma_stop(struct host1x *host, | |
252 | struct host1x_cdma *cdma) | |
253 | { | |
254 | host->cdma_op->stop(cdma); | |
255 | } | |
256 | ||
257 | static inline void host1x_hw_cdma_flush(struct host1x *host, | |
258 | struct host1x_cdma *cdma) | |
259 | { | |
260 | host->cdma_op->flush(cdma); | |
261 | } | |
262 | ||
263 | static inline int host1x_hw_cdma_timeout_init(struct host1x *host, | |
264 | struct host1x_cdma *cdma, | |
5c0d8d38 | 265 | unsigned int syncpt) |
6579324a | 266 | { |
5c0d8d38 | 267 | return host->cdma_op->timeout_init(cdma, syncpt); |
6579324a TB |
268 | } |
269 | ||
270 | static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host, | |
271 | struct host1x_cdma *cdma) | |
272 | { | |
273 | host->cdma_op->timeout_destroy(cdma); | |
274 | } | |
275 | ||
276 | static inline void host1x_hw_cdma_freeze(struct host1x *host, | |
277 | struct host1x_cdma *cdma) | |
278 | { | |
279 | host->cdma_op->freeze(cdma); | |
280 | } | |
281 | ||
282 | static inline void host1x_hw_cdma_resume(struct host1x *host, | |
283 | struct host1x_cdma *cdma, u32 getptr) | |
284 | { | |
285 | host->cdma_op->resume(cdma, getptr); | |
286 | } | |
287 | ||
288 | static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host, | |
289 | struct host1x_cdma *cdma, | |
290 | u32 getptr, | |
291 | u32 syncpt_incrs, | |
292 | u32 syncval, u32 nr_slots) | |
293 | { | |
294 | host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval, | |
295 | nr_slots); | |
296 | } | |
297 | ||
298 | static inline void host1x_hw_pushbuffer_init(struct host1x *host, | |
299 | struct push_buffer *pb) | |
300 | { | |
301 | host->cdma_pb_op->init(pb); | |
302 | } | |
303 | ||
6236451d TB |
304 | static inline void host1x_hw_debug_init(struct host1x *host, struct dentry *de) |
305 | { | |
306 | if (host->debug_op && host->debug_op->debug_init) | |
307 | host->debug_op->debug_init(de); | |
308 | } | |
309 | ||
310 | static inline void host1x_hw_show_channel_cdma(struct host1x *host, | |
311 | struct host1x_channel *channel, | |
312 | struct output *o) | |
313 | { | |
314 | host->debug_op->show_channel_cdma(host, channel, o); | |
315 | } | |
316 | ||
317 | static inline void host1x_hw_show_channel_fifo(struct host1x *host, | |
318 | struct host1x_channel *channel, | |
319 | struct output *o) | |
320 | { | |
321 | host->debug_op->show_channel_fifo(host, channel, o); | |
322 | } | |
323 | ||
324 | static inline void host1x_hw_show_mlocks(struct host1x *host, struct output *o) | |
325 | { | |
326 | host->debug_op->show_mlocks(host, o); | |
327 | } | |
328 | ||
4de6a2d6 TR |
329 | extern struct platform_driver tegra_mipi_driver; |
330 | ||
75471687 | 331 | #endif |