dev.h 8.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329
  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Copyright (c) 2012-2015, NVIDIA Corporation.
  4. */
  5. #ifndef HOST1X_DEV_H
  6. #define HOST1X_DEV_H
  7. #include <linux/device.h>
  8. #include <linux/iommu.h>
  9. #include <linux/iova.h>
  10. #include <linux/platform_device.h>
  11. #include <linux/reset.h>
  12. #include "cdma.h"
  13. #include "channel.h"
  14. #include "intr.h"
  15. #include "job.h"
  16. #include "syncpt.h"
  17. struct host1x_syncpt;
  18. struct host1x_syncpt_base;
  19. struct host1x_channel;
  20. struct host1x_cdma;
  21. struct host1x_job;
  22. struct push_buffer;
  23. struct output;
  24. struct dentry;
  25. struct host1x_channel_ops {
  26. int (*init)(struct host1x_channel *channel, struct host1x *host,
  27. unsigned int id);
  28. int (*submit)(struct host1x_job *job);
  29. };
  30. struct host1x_cdma_ops {
  31. void (*start)(struct host1x_cdma *cdma);
  32. void (*stop)(struct host1x_cdma *cdma);
  33. void (*flush)(struct host1x_cdma *cdma);
  34. int (*timeout_init)(struct host1x_cdma *cdma, unsigned int syncpt);
  35. void (*timeout_destroy)(struct host1x_cdma *cdma);
  36. void (*freeze)(struct host1x_cdma *cdma);
  37. void (*resume)(struct host1x_cdma *cdma, u32 getptr);
  38. void (*timeout_cpu_incr)(struct host1x_cdma *cdma, u32 getptr,
  39. u32 syncpt_incrs, u32 syncval, u32 nr_slots);
  40. };
  41. struct host1x_pushbuffer_ops {
  42. void (*init)(struct push_buffer *pb);
  43. };
  44. struct host1x_debug_ops {
  45. void (*debug_init)(struct dentry *de);
  46. void (*show_channel_cdma)(struct host1x *host,
  47. struct host1x_channel *ch,
  48. struct output *o);
  49. void (*show_channel_fifo)(struct host1x *host,
  50. struct host1x_channel *ch,
  51. struct output *o);
  52. void (*show_mlocks)(struct host1x *host, struct output *output);
  53. };
  54. struct host1x_syncpt_ops {
  55. void (*restore)(struct host1x_syncpt *syncpt);
  56. void (*restore_wait_base)(struct host1x_syncpt *syncpt);
  57. void (*load_wait_base)(struct host1x_syncpt *syncpt);
  58. u32 (*load)(struct host1x_syncpt *syncpt);
  59. int (*cpu_incr)(struct host1x_syncpt *syncpt);
  60. void (*assign_to_channel)(struct host1x_syncpt *syncpt,
  61. struct host1x_channel *channel);
  62. void (*enable_protection)(struct host1x *host);
  63. };
  64. struct host1x_intr_ops {
  65. int (*init_host_sync)(struct host1x *host, u32 cpm,
  66. void (*syncpt_thresh_work)(struct work_struct *work));
  67. void (*set_syncpt_threshold)(
  68. struct host1x *host, unsigned int id, u32 thresh);
  69. void (*enable_syncpt_intr)(struct host1x *host, unsigned int id);
  70. void (*disable_syncpt_intr)(struct host1x *host, unsigned int id);
  71. void (*disable_all_syncpt_intrs)(struct host1x *host);
  72. int (*free_syncpt_irq)(struct host1x *host);
  73. };
  74. struct host1x_sid_entry {
  75. unsigned int base;
  76. unsigned int offset;
  77. unsigned int limit;
  78. };
  79. struct host1x_info {
  80. unsigned int nb_channels; /* host1x: number of channels supported */
  81. unsigned int nb_pts; /* host1x: number of syncpoints supported */
  82. unsigned int nb_bases; /* host1x: number of syncpoint bases supported */
  83. unsigned int nb_mlocks; /* host1x: number of mlocks supported */
  84. int (*init)(struct host1x *host1x); /* initialize per SoC ops */
  85. unsigned int sync_offset; /* offset of syncpoint registers */
  86. u64 dma_mask; /* mask of addressable memory */
  87. bool has_hypervisor; /* has hypervisor registers */
  88. unsigned int num_sid_entries;
  89. const struct host1x_sid_entry *sid_table;
  90. };
  91. struct host1x {
  92. const struct host1x_info *info;
  93. void __iomem *regs;
  94. void __iomem *hv_regs; /* hypervisor region */
  95. struct host1x_syncpt *syncpt;
  96. struct host1x_syncpt_base *bases;
  97. struct device *dev;
  98. struct clk *clk;
  99. struct reset_control *rst;
  100. struct iommu_group *group;
  101. struct iommu_domain *domain;
  102. struct iova_domain iova;
  103. dma_addr_t iova_end;
  104. struct mutex intr_mutex;
  105. int intr_syncpt_irq;
  106. const struct host1x_syncpt_ops *syncpt_op;
  107. const struct host1x_intr_ops *intr_op;
  108. const struct host1x_channel_ops *channel_op;
  109. const struct host1x_cdma_ops *cdma_op;
  110. const struct host1x_pushbuffer_ops *cdma_pb_op;
  111. const struct host1x_debug_ops *debug_op;
  112. struct host1x_syncpt *nop_sp;
  113. struct mutex syncpt_mutex;
  114. struct host1x_channel_list channel_list;
  115. struct dentry *debugfs;
  116. struct mutex devices_lock;
  117. struct list_head devices;
  118. struct list_head list;
  119. };
  120. void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v);
  121. u32 host1x_hypervisor_readl(struct host1x *host1x, u32 r);
  122. void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
  123. u32 host1x_sync_readl(struct host1x *host1x, u32 r);
  124. void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
  125. u32 host1x_ch_readl(struct host1x_channel *ch, u32 r);
  126. static inline void host1x_hw_syncpt_restore(struct host1x *host,
  127. struct host1x_syncpt *sp)
  128. {
  129. host->syncpt_op->restore(sp);
  130. }
  131. static inline void host1x_hw_syncpt_restore_wait_base(struct host1x *host,
  132. struct host1x_syncpt *sp)
  133. {
  134. host->syncpt_op->restore_wait_base(sp);
  135. }
  136. static inline void host1x_hw_syncpt_load_wait_base(struct host1x *host,
  137. struct host1x_syncpt *sp)
  138. {
  139. host->syncpt_op->load_wait_base(sp);
  140. }
  141. static inline u32 host1x_hw_syncpt_load(struct host1x *host,
  142. struct host1x_syncpt *sp)
  143. {
  144. return host->syncpt_op->load(sp);
  145. }
  146. static inline int host1x_hw_syncpt_cpu_incr(struct host1x *host,
  147. struct host1x_syncpt *sp)
  148. {
  149. return host->syncpt_op->cpu_incr(sp);
  150. }
  151. static inline void host1x_hw_syncpt_assign_to_channel(
  152. struct host1x *host, struct host1x_syncpt *sp,
  153. struct host1x_channel *ch)
  154. {
  155. return host->syncpt_op->assign_to_channel(sp, ch);
  156. }
  157. static inline void host1x_hw_syncpt_enable_protection(struct host1x *host)
  158. {
  159. return host->syncpt_op->enable_protection(host);
  160. }
  161. static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm,
  162. void (*syncpt_thresh_work)(struct work_struct *))
  163. {
  164. return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work);
  165. }
  166. static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host,
  167. unsigned int id,
  168. u32 thresh)
  169. {
  170. host->intr_op->set_syncpt_threshold(host, id, thresh);
  171. }
  172. static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host,
  173. unsigned int id)
  174. {
  175. host->intr_op->enable_syncpt_intr(host, id);
  176. }
  177. static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host,
  178. unsigned int id)
  179. {
  180. host->intr_op->disable_syncpt_intr(host, id);
  181. }
  182. static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host)
  183. {
  184. host->intr_op->disable_all_syncpt_intrs(host);
  185. }
  186. static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host)
  187. {
  188. return host->intr_op->free_syncpt_irq(host);
  189. }
  190. static inline int host1x_hw_channel_init(struct host1x *host,
  191. struct host1x_channel *channel,
  192. unsigned int id)
  193. {
  194. return host->channel_op->init(channel, host, id);
  195. }
  196. static inline int host1x_hw_channel_submit(struct host1x *host,
  197. struct host1x_job *job)
  198. {
  199. return host->channel_op->submit(job);
  200. }
  201. static inline void host1x_hw_cdma_start(struct host1x *host,
  202. struct host1x_cdma *cdma)
  203. {
  204. host->cdma_op->start(cdma);
  205. }
  206. static inline void host1x_hw_cdma_stop(struct host1x *host,
  207. struct host1x_cdma *cdma)
  208. {
  209. host->cdma_op->stop(cdma);
  210. }
  211. static inline void host1x_hw_cdma_flush(struct host1x *host,
  212. struct host1x_cdma *cdma)
  213. {
  214. host->cdma_op->flush(cdma);
  215. }
  216. static inline int host1x_hw_cdma_timeout_init(struct host1x *host,
  217. struct host1x_cdma *cdma,
  218. unsigned int syncpt)
  219. {
  220. return host->cdma_op->timeout_init(cdma, syncpt);
  221. }
  222. static inline void host1x_hw_cdma_timeout_destroy(struct host1x *host,
  223. struct host1x_cdma *cdma)
  224. {
  225. host->cdma_op->timeout_destroy(cdma);
  226. }
  227. static inline void host1x_hw_cdma_freeze(struct host1x *host,
  228. struct host1x_cdma *cdma)
  229. {
  230. host->cdma_op->freeze(cdma);
  231. }
  232. static inline void host1x_hw_cdma_resume(struct host1x *host,
  233. struct host1x_cdma *cdma, u32 getptr)
  234. {
  235. host->cdma_op->resume(cdma, getptr);
  236. }
  237. static inline void host1x_hw_cdma_timeout_cpu_incr(struct host1x *host,
  238. struct host1x_cdma *cdma,
  239. u32 getptr,
  240. u32 syncpt_incrs,
  241. u32 syncval, u32 nr_slots)
  242. {
  243. host->cdma_op->timeout_cpu_incr(cdma, getptr, syncpt_incrs, syncval,
  244. nr_slots);
  245. }
  246. static inline void host1x_hw_pushbuffer_init(struct host1x *host,
  247. struct push_buffer *pb)
  248. {
  249. host->cdma_pb_op->init(pb);
  250. }
  251. static inline void host1x_hw_debug_init(struct host1x *host, struct dentry *de)
  252. {
  253. if (host->debug_op && host->debug_op->debug_init)
  254. host->debug_op->debug_init(de);
  255. }
  256. static inline void host1x_hw_show_channel_cdma(struct host1x *host,
  257. struct host1x_channel *channel,
  258. struct output *o)
  259. {
  260. host->debug_op->show_channel_cdma(host, channel, o);
  261. }
  262. static inline void host1x_hw_show_channel_fifo(struct host1x *host,
  263. struct host1x_channel *channel,
  264. struct output *o)
  265. {
  266. host->debug_op->show_channel_fifo(host, channel, o);
  267. }
  268. static inline void host1x_hw_show_mlocks(struct host1x *host, struct output *o)
  269. {
  270. host->debug_op->show_mlocks(host, o);
  271. }
  272. extern struct platform_driver tegra_mipi_driver;
  273. #endif