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 void *drm_data; 129 }; 130 131 void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v); 132 u32 host1x_sync_readl(struct host1x *host1x, u32 r); 133 void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v); 134 u32 host1x_ch_readl(struct host1x_channel *ch, u32 r); 135 136 static inline void host1x_hw_syncpt_restore(struct host1x *host, 137 struct host1x_syncpt *sp) 138 { 139 host->syncpt_op->restore(sp); 140 } 141 142 static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host, 143 struct host1x_syncpt *sp) 144 { 145 host->syncpt_op->restore_wait_base(sp); 146 } 147 148 static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host, 149 struct host1x_syncpt *sp) 150 { 151 host->syncpt_op->load_wait_base(sp); 152 } 153 154 static inline u32 host1x_hw_syncpt_load(struct host1x *host, 155 struct host1x_syncpt *sp) 156 { 157 return host->syncpt_op->load(sp); 158 } 159 160 static inline void host1x_hw_syncpt_cpu_incr(struct host1x *host, 161 struct host1x_syncpt *sp) 162 { 163 host->syncpt_op->cpu_incr(sp); 164 } 165 166 static inline int host1x_hw_syncpt_patch_wait(struct host1x *host, 167 struct host1x_syncpt *sp, 168 void *patch_addr) 169 { 170 return host->syncpt_op->patch_wait(sp, patch_addr); 171 } 172 173 static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm, 174 void (*syncpt_thresh_work)(struct work_struct *)) 175 { 176 return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work); 177 } 178 179 static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host, 180 u32 id, u32 thresh) 181 { 182 host->intr_op->set_syncpt_threshold(host, id, thresh); 183 } 184 185 static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host, 186 u32 id) 187 { 188 host->intr_op->enable_syncpt_intr(host, id); 189 } 190 191 static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host, 192 u32 id) 193 { 194 host->intr_op->disable_syncpt_intr(host, id); 195 } 196 197 static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host) 198 { 199 host->intr_op->disable_all_syncpt_intrs(host); 200 } 201 202 static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host) 203 { 204 return host->intr_op->free_syncpt_irq(host); 205 } 206 207 static inline int host1x_hw_channel_init(struct host1x *host, 208 struct host1x_channel *channel, 209 int chid) 210 { 211 return host->channel_op->init(channel, host, chid); 212 } 213 214 static inline int host1x_hw_channel_submit(struct host1x *host, 215 struct host1x_job *job) 216 { 217 return host->channel_op->submit(job); 218 } 219 220 static inline void host1x_hw_cdma_start(struct host1x *host, 221 struct host1x_cdma *cdma) 222 { 223 host->cdma_op->start(cdma); 224 } 225 226 static inline void host1x_hw_cdma_stop(struct host1x *host, 227 struct host1x_cdma *cdma) 228 { 229 host->cdma_op->stop(cdma); 230 } 231 232 static inline void host1x_hw_cdma_flush(struct host1x *host, 233 struct host1x_cdma *cdma) 234 { 235 host->cdma_op->flush(cdma); 236 } 237 238 static inline int host1x_hw_cdma_timeout_init(struct host1x *host, 239 struct host1x_cdma *cdma, 240 u32 syncpt_id) 241 { 242 return host->cdma_op->timeout_init(cdma, syncpt_id); 243 } 244 245 static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host, 246 struct host1x_cdma *cdma) 247 { 248 host->cdma_op->timeout_destroy(cdma); 249 } 250 251 static inline void host1x_hw_cdma_freeze(struct host1x *host, 252 struct host1x_cdma *cdma) 253 { 254 host->cdma_op->freeze(cdma); 255 } 256 257 static inline void host1x_hw_cdma_resume(struct host1x *host, 258 struct host1x_cdma *cdma, u32 getptr) 259 { 260 host->cdma_op->resume(cdma, getptr); 261 } 262 263 static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host, 264 struct host1x_cdma *cdma, 265 u32 getptr, 266 u32 syncpt_incrs, 267 u32 syncval, u32 nr_slots) 268 { 269 host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval, 270 nr_slots); 271 } 272 273 static inline void host1x_hw_pushbuffer_init(struct host1x *host, 274 struct push_buffer *pb) 275 { 276 host->cdma_pb_op->init(pb); 277 } 278 279 static inline void host1x_hw_debug_init(struct host1x *host, struct dentry *de) 280 { 281 if (host->debug_op && host->debug_op->debug_init) 282 host->debug_op->debug_init(de); 283 } 284 285 static inline void host1x_hw_show_channel_cdma(struct host1x *host, 286 struct host1x_channel *channel, 287 struct output *o) 288 { 289 host->debug_op->show_channel_cdma(host, channel, o); 290 } 291 292 static inline void host1x_hw_show_channel_fifo(struct host1x *host, 293 struct host1x_channel *channel, 294 struct output *o) 295 { 296 host->debug_op->show_channel_fifo(host, channel, o); 297 } 298 299 static inline void host1x_hw_show_mlocks(struct host1x *host, struct output *o) 300 { 301 host->debug_op->show_mlocks(host, o); 302 } 303 304 extern struct platform_driver tegra_hdmi_driver; 305 extern struct platform_driver tegra_dc_driver; 306 extern struct platform_driver tegra_gr2d_driver; 307 308 #endif 309