drivers/gpu/host1x/dev.h

   1 /*
   2  * Copyright (c) 2012-2013, NVIDIA Corporation.
   3  *
   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.
   7  *
   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
  11  * more details.
  12  *
  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/>.
  15  */
  16
  17 #ifndef HOST1X_DEV_H
  18 #define HOST1X_DEV_H
  19
  20 #include <linux/platform_device.h>
  21 #include <linux/device.h>
  22
  23 #include "channel.h"
  24 #include "syncpt.h"
  25 #include "intr.h"
  26 #include "cdma.h"
  27 #include "job.h"
  28
  29 struct host1x_syncpt;
  30 struct host1x_channel;
  31 struct host1x_cdma;
  32 struct host1x_job;
  33 struct push_buffer;
  34 struct output;
  35 struct dentry;
  36
  37 struct host1x_channel_ops {
  38         int (*init)(struct host1x_channel *channel, struct host1x *host,
  39                     unsigned int id);
  40         int (*submit)(struct host1x_job *job);
  41 };
  42
  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);
  53 };
  54
  55 struct host1x_pushbuffer_ops {
  56         void (*init)(struct push_buffer *pb);
  57 };
  58
  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,
  63                                   struct output *o);
  64         void (*show_channel_fifo)(struct host1x *host,
  65                                   struct host1x_channel *ch,
  66                                   struct output *o);
  67         void (*show_mlocks)(struct host1x *host, struct output *output);
  68
  69 };
  70
  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         void (*cpu_incr)(struct host1x_syncpt *syncpt);
  77         int (*patch_wait)(struct host1x_syncpt *syncpt, void *patch_addr);
  78 };
  79
  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);
  89 };
  90
  91 struct host1x_info {
  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 */
  97         int     sync_offset;
  98 };
  99
 100 struct host1x {
 101         const struct host1x_info *info;
 102
 103         void __iomem *regs;
 104         struct host1x_syncpt *syncpt;
 105         struct device *dev;
 106         struct clk *clk;
 107
 108         struct mutex intr_mutex;
 109         struct workqueue_struct *intr_wq;
 110         int intr_syncpt_irq;
 111
 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;
 118
 119         struct host1x_syncpt *nop_sp;
 120
 121         struct mutex chlist_mutex;
 122         struct host1x_channel chlist;
 123         unsigned long allocated_channels;
 124         unsigned int num_allocated_channels;
 125
 126         struct dentry *debugfs;
 127 };
 128
 129 void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
 130 u32 host1x_sync_readl(struct host1x *host1x, u32 r);
 131 void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
 132 u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);
 133
 134 static inline void host1x_hw_syncpt_restore(struct host1x *host,
 135                                             struct host1x_syncpt *sp)
 136 {
 137         host->syncpt_op->restore(sp);
 138 }
 139
 140 static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host,
 141                                                       struct host1x_syncpt *sp)
 142 {
 143         host->syncpt_op->restore_wait_base(sp);
 144 }
 145
 146 static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host,
 147                                                    struct host1x_syncpt *sp)
 148 {
 149         host->syncpt_op->load_wait_base(sp);
 150 }
 151
 152 static inline u32 host1x_hw_syncpt_load(struct host1x *host,
 153                                         struct host1x_syncpt *sp)
 154 {
 155         return host->syncpt_op->load(sp);
 156 }
 157
 158 static inline void host1x_hw_syncpt_cpu_incr(struct host1x *host,
 159                                              struct host1x_syncpt *sp)
 160 {
 161         host->syncpt_op->cpu_incr(sp);
 162 }
 163
 164 static inline int host1x_hw_syncpt_patch_wait(struct host1x *host,
 165                                               struct host1x_syncpt *sp,
 166                                               void *patch_addr)
 167 {
 168         return host->syncpt_op->patch_wait(sp, patch_addr);
 169 }
 170
 171 static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm,
 172                         void (*syncpt_thresh_work)(struct work_struct *))
 173 {
 174         return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work);
 175 }
 176
 177 static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host,
 178                                                        u32 id, u32 thresh)
 179 {
 180         host->intr_op->set_syncpt_threshold(host, id, thresh);
 181 }
 182
 183 static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
 184                                                      u32 id)
 185 {
 186         host->intr_op->enable_syncpt_intr(host, id);
 187 }
 188
 189 static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
 190                                                       u32 id)
 191 {
 192         host->intr_op->disable_syncpt_intr(host, id);
 193 }
 194
 195 static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host)
 196 {
 197         host->intr_op->disable_all_syncpt_intrs(host);
 198 }
 199
 200 static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
 201 {
 202         return host->intr_op->free_syncpt_irq(host);
 203 }
 204
 205 static inline int host1x_hw_channel_init(struct host1x *host,
 206                                          struct host1x_channel *channel,
 207                                          int chid)
 208 {
 209         return host->channel_op->init(channel, host, chid);
 210 }
 211
 212 static inline int host1x_hw_channel_submit(struct host1x *host,
 213                                            struct host1x_job *job)
 214 {
 215         return host->channel_op->submit(job);
 216 }
 217
 218 static inline void host1x_hw_cdma_start(struct host1x *host,
 219                                         struct host1x_cdma *cdma)
 220 {
 221         host->cdma_op->start(cdma);
 222 }
 223
 224 static inline void host1x_hw_cdma_stop(struct host1x *host,
 225                                        struct host1x_cdma *cdma)
 226 {
 227         host->cdma_op->stop(cdma);
 228 }
 229
 230 static inline void host1x_hw_cdma_flush(struct host1x *host,
 231                                         struct host1x_cdma *cdma)
 232 {
 233         host->cdma_op->flush(cdma);
 234 }
 235
 236 static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
 237                                               struct host1x_cdma *cdma,
 238                                               u32 syncpt_id)
 239 {
 240         return host->cdma_op->timeout_init(cdma, syncpt_id);
 241 }
 242
 243 static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
 244                                                   struct host1x_cdma *cdma)
 245 {
 246         host->cdma_op->timeout_destroy(cdma);
 247 }
 248
 249 static inline void host1x_hw_cdma_freeze(struct host1x *host,
 250                                          struct host1x_cdma *cdma)
 251 {
 252         host->cdma_op->freeze(cdma);
 253 }
 254
 255 static inline void host1x_hw_cdma_resume(struct host1x *host,
 256                                          struct host1x_cdma *cdma, u32 getptr)
 257 {
 258         host->cdma_op->resume(cdma, getptr);
 259 }
 260
 261 static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
 262                                                    struct host1x_cdma *cdma,
 263                                                    u32 getptr,
 264                                                    u32 syncpt_incrs,
 265                                                    u32 syncval, u32 nr_slots)
 266 {
 267         host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
 268                                         nr_slots);
 269 }
 270
 271 static inline void host1x_hw_pushbuffer_init(struct host1x *host,
 272                                              struct push_buffer *pb)
 273 {
 274         host->cdma_pb_op->init(pb);
 275 }
 276
 277 static inline void host1x_hw_debug_init(struct host1x *host, struct dentry *de)
 278 {
 279         if (host->debug_op && host->debug_op->debug_init)
 280                 host->debug_op->debug_init(de);
 281 }
 282
 283 static inline void host1x_hw_show_channel_cdma(struct host1x *host,
 284                                                struct host1x_channel *channel,
 285                                                struct output *o)
 286 {
 287         host->debug_op->show_channel_cdma(host, channel, o);
 288 }
 289
 290 static inline void host1x_hw_show_channel_fifo(struct host1x *host,
 291                                                struct host1x_channel *channel,
 292                                                struct output *o)
 293 {
 294         host->debug_op->show_channel_fifo(host, channel, o);
 295 }
 296
 297 static inline void host1x_hw_show_mlocks(struct host1x *host, struct output *o)
 298 {
 299         host->debug_op->show_mlocks(host, o);
 300 }
 301
 302 #endif