2 * Copyright (c) 2012-2013, NVIDIA Corporation.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include <linux/platform_device.h>
21 #include <linux/device.h>
30 struct host1x_channel;
37 struct host1x_channel_ops {
38 int (*init)(struct host1x_channel *channel, struct host1x *host,
40 int (*submit)(struct host1x_job *job);
43 struct host1x_cdma_ops {
44 void (*start)(struct host1x_cdma *cdma);
45 void (*stop)(struct host1x_cdma *cdma);
46 void (*flush)(struct host1x_cdma *cdma);
47 int (*timeout_init)(struct host1x_cdma *cdma, u32 syncpt_id);
48 void (*timeout_destroy)(struct host1x_cdma *cdma);
49 void (*freeze)(struct host1x_cdma *cdma);
50 void (*resume)(struct host1x_cdma *cdma, u32 getptr);
51 void (*timeout_cpu_incr)(struct host1x_cdma *cdma, u32 getptr,
52 u32 syncpt_incrs, u32 syncval, u32 nr_slots);
55 struct host1x_pushbuffer_ops {
56 void (*init)(struct push_buffer *pb);
59 struct host1x_debug_ops {
60 void (*debug_init)(struct dentry *de);
61 void (*show_channel_cdma)(struct host1x *host,
62 struct host1x_channel *ch,
64 void (*show_channel_fifo)(struct host1x *host,
65 struct host1x_channel *ch,
67 void (*show_mlocks)(struct host1x *host, struct output *output);
71 struct host1x_syncpt_ops {
72 void (*restore)(struct host1x_syncpt *syncpt);
73 void (*restore_wait_base)(struct host1x_syncpt *syncpt);
74 void (*load_wait_base)(struct host1x_syncpt *syncpt);
75 u32 (*load)(struct host1x_syncpt *syncpt);
76 int (*cpu_incr)(struct host1x_syncpt *syncpt);
77 int (*patch_wait)(struct host1x_syncpt *syncpt, void *patch_addr);
80 struct host1x_intr_ops {
81 int (*init_host_sync)(struct host1x *host, u32 cpm,
82 void (*syncpt_thresh_work)(struct work_struct *work));
83 void (*set_syncpt_threshold)(
84 struct host1x *host, u32 id, u32 thresh);
85 void (*enable_syncpt_intr)(struct host1x *host, u32 id);
86 void (*disable_syncpt_intr)(struct host1x *host, u32 id);
87 void (*disable_all_syncpt_intrs)(struct host1x *host);
88 int (*free_syncpt_irq)(struct host1x *host);
92 int nb_channels; /* host1x: num channels supported */
93 int nb_pts; /* host1x: num syncpoints supported */
94 int nb_bases; /* host1x: num syncpoints supported */
95 int nb_mlocks; /* host1x: number of mlocks */
96 int (*init)(struct host1x *); /* initialize per SoC ops */
101 const struct host1x_info *info;
104 struct host1x_syncpt *syncpt;
108 struct mutex intr_mutex;
109 struct workqueue_struct *intr_wq;
112 const struct host1x_syncpt_ops *syncpt_op;
113 const struct host1x_intr_ops *intr_op;
114 const struct host1x_channel_ops *channel_op;
115 const struct host1x_cdma_ops *cdma_op;
116 const struct host1x_pushbuffer_ops *cdma_pb_op;
117 const struct host1x_debug_ops *debug_op;
119 struct host1x_syncpt *nop_sp;
121 struct mutex chlist_mutex;
122 struct host1x_channel chlist;
123 unsigned long allocated_channels;
124 unsigned int num_allocated_channels;
126 struct dentry *debugfs;
128 struct mutex devices_lock;
129 struct list_head devices;
131 struct list_head list;
134 void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
135 u32 host1x_sync_readl(struct host1x *host1x, u32 r);
136 void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
137 u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);
139 static inline void host1x_hw_syncpt_restore(struct host1x *host,
140 struct host1x_syncpt *sp)
142 host->syncpt_op->restore(sp);
145 static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host,
146 struct host1x_syncpt *sp)
148 host->syncpt_op->restore_wait_base(sp);
151 static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host,
152 struct host1x_syncpt *sp)
154 host->syncpt_op->load_wait_base(sp);
157 static inline u32 host1x_hw_syncpt_load(struct host1x *host,
158 struct host1x_syncpt *sp)
160 return host->syncpt_op->load(sp);
163 static inline int host1x_hw_syncpt_cpu_incr(struct host1x *host,
164 struct host1x_syncpt *sp)
166 return host->syncpt_op->cpu_incr(sp);
169 static inline int host1x_hw_syncpt_patch_wait(struct host1x *host,
170 struct host1x_syncpt *sp,
173 return host->syncpt_op->patch_wait(sp, patch_addr);
176 static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm,
177 void (*syncpt_thresh_work)(struct work_struct *))
179 return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work);
182 static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host,
185 host->intr_op->set_syncpt_threshold(host, id, thresh);
188 static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
191 host->intr_op->enable_syncpt_intr(host, id);
194 static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
197 host->intr_op->disable_syncpt_intr(host, id);
200 static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host)
202 host->intr_op->disable_all_syncpt_intrs(host);
205 static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
207 return host->intr_op->free_syncpt_irq(host);
210 static inline int host1x_hw_channel_init(struct host1x *host,
211 struct host1x_channel *channel,
214 return host->channel_op->init(channel, host, chid);
217 static inline int host1x_hw_channel_submit(struct host1x *host,
218 struct host1x_job *job)
220 return host->channel_op->submit(job);
223 static inline void host1x_hw_cdma_start(struct host1x *host,
224 struct host1x_cdma *cdma)
226 host->cdma_op->start(cdma);
229 static inline void host1x_hw_cdma_stop(struct host1x *host,
230 struct host1x_cdma *cdma)
232 host->cdma_op->stop(cdma);
235 static inline void host1x_hw_cdma_flush(struct host1x *host,
236 struct host1x_cdma *cdma)
238 host->cdma_op->flush(cdma);
241 static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
242 struct host1x_cdma *cdma,
245 return host->cdma_op->timeout_init(cdma, syncpt_id);
248 static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
249 struct host1x_cdma *cdma)
251 host->cdma_op->timeout_destroy(cdma);
254 static inline void host1x_hw_cdma_freeze(struct host1x *host,
255 struct host1x_cdma *cdma)
257 host->cdma_op->freeze(cdma);
260 static inline void host1x_hw_cdma_resume(struct host1x *host,
261 struct host1x_cdma *cdma, u32 getptr)
263 host->cdma_op->resume(cdma, getptr);
266 static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
267 struct host1x_cdma *cdma,
270 u32 syncval, u32 nr_slots)
272 host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
276 static inline void host1x_hw_pushbuffer_init(struct host1x *host,
277 struct push_buffer *pb)
279 host->cdma_pb_op->init(pb);
282 static inline void host1x_hw_debug_init(struct host1x *host, struct dentry *de)
284 if (host->debug_op && host->debug_op->debug_init)
285 host->debug_op->debug_init(de);
288 static inline void host1x_hw_show_channel_cdma(struct host1x *host,
289 struct host1x_channel *channel,
292 host->debug_op->show_channel_cdma(host, channel, o);
295 static inline void host1x_hw_show_channel_fifo(struct host1x *host,
296 struct host1x_channel *channel,
299 host->debug_op->show_channel_fifo(host, channel, o);
302 static inline void host1x_hw_show_mlocks(struct host1x *host, struct output *o)
304 host->debug_op->show_mlocks(host, o);