cablePowerDataOperation.h 13 KB

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  1. /*
  2. * omap_hwmod macros, structures
  3. *
  4. * Copyright (C) 2009-2011 Nokia Corporation
  5. * Copyright (C) 2011-2012 Texas Instruments, Inc.
  6. * Paul Walmsley
  7. *
  8. * Created in collaboration with (alphabetical order): Benoît Cousson,
  9. * Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari
  10. * Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff
  11. *
  12. * This program is free software; you can redistribute it and/or modify
  13. * it under the terms of the GNU General Public License version 2 as
  14. * published by the Free Software Foundation.
  15. *
  16. * These headers and macros are used to define OMAP on-chip module
  17. * data and their integration with other OMAP modules and Linux.
  18. * Copious documentation and references can also be found in the
  19. * omap_hwmod code, in arch/arm/mach-omap2/omap_hwmod.c (as of this
  20. * writing).
  21. *
  22. * To do:
  23. * - add interconnect error log structures
  24. * - add pinmuxing
  25. * - init_conn_id_bit (CONNID_BIT_VECTOR)
  26. * - implement default hwmod SMS/SDRC flags?
  27. * - move Linux-specific data ("non-ROM data") out
  28. *
  29. */
  30. #ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H
  31. #define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H
  32. #include <linux/kernel.h>
  33. #include <linux/init.h>
  34. #include <linux/list.h>
  35. #include <linux/ioport.h>
  36. #include <linux/spinlock.h>
  37. struct omap_device;
  38. extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type1;
  39. extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
  40. extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type3;
  41. /*
  42. * OCP SYSCONFIG bit shifts/masks TYPE1. These are for IPs compliant
  43. * with the original PRCM protocol defined for OMAP2420
  44. */
  45. #define SYSC_TYPE1_MIDLEMODE_SHIFT 12
  46. #define SYSC_TYPE1_MIDLEMODE_MASK (0x3 << SYSC_TYPE1_MIDLEMODE_SHIFT)
  47. #define SYSC_TYPE1_CLOCKACTIVITY_SHIFT 8
  48. #define SYSC_TYPE1_CLOCKACTIVITY_MASK (0x3 << SYSC_TYPE1_CLOCKACTIVITY_SHIFT)
  49. #define SYSC_TYPE1_SIDLEMODE_SHIFT 3
  50. #define SYSC_TYPE1_SIDLEMODE_MASK (0x3 << SYSC_TYPE1_SIDLEMODE_SHIFT)
  51. #define SYSC_TYPE1_ENAWAKEUP_SHIFT 2
  52. #define SYSC_TYPE1_ENAWAKEUP_MASK (1 << SYSC_TYPE1_ENAWAKEUP_SHIFT)
  53. #define SYSC_TYPE1_SOFTRESET_SHIFT 1
  54. #define SYSC_TYPE1_SOFTRESET_MASK (1 << SYSC_TYPE1_SOFTRESET_SHIFT)
  55. #define SYSC_TYPE1_AUTOIDLE_SHIFT 0
  56. #define SYSC_TYPE1_AUTOIDLE_MASK (1 << SYSC_TYPE1_AUTOIDLE_SHIFT)
  57. /*
  58. * OCP SYSCONFIG bit shifts/masks TYPE2. These are for IPs compliant
  59. * with the new PRCM protocol defined for new OMAP4 IPs.
  60. */
  61. #define SYSC_TYPE2_SOFTRESET_SHIFT 0
  62. #define SYSC_TYPE2_SOFTRESET_MASK (1 << SYSC_TYPE2_SOFTRESET_SHIFT)
  63. #define SYSC_TYPE2_SIDLEMODE_SHIFT 2
  64. #define SYSC_TYPE2_SIDLEMODE_MASK (0x3 << SYSC_TYPE2_SIDLEMODE_SHIFT)
  65. #define SYSC_TYPE2_MIDLEMODE_SHIFT 4
  66. #define SYSC_TYPE2_MIDLEMODE_MASK (0x3 << SYSC_TYPE2_MIDLEMODE_SHIFT)
  67. #define SYSC_TYPE2_DMADISABLE_SHIFT 16
  68. #define SYSC_TYPE2_DMADISABLE_MASK (0x1 << SYSC_TYPE2_DMADISABLE_SHIFT)
  69. /*
  70. * OCP SYSCONFIG bit shifts/masks TYPE3.
  71. * This is applicable for some IPs present in AM33XX
  72. */
  73. #define SYSC_TYPE3_SIDLEMODE_SHIFT 0
  74. #define SYSC_TYPE3_SIDLEMODE_MASK (0x3 << SYSC_TYPE3_SIDLEMODE_SHIFT)
  75. #define SYSC_TYPE3_MIDLEMODE_SHIFT 2
  76. #define SYSC_TYPE3_MIDLEMODE_MASK (0x3 << SYSC_TYPE3_MIDLEMODE_SHIFT)
  77. /* OCP SYSSTATUS bit shifts/masks */
  78. #define SYSS_RESETDONE_SHIFT 0
  79. #define SYSS_RESETDONE_MASK (1 << SYSS_RESETDONE_SHIFT)
  80. /* Master standby/slave idle mode flags */
  81. #define HWMOD_IDLEMODE_FORCE (1 << 0)
  82. #define HWMOD_IDLEMODE_NO (1 << 1)
  83. #define HWMOD_IDLEMODE_SMART (1 << 2)
  84. #define HWMOD_IDLEMODE_SMART_WKUP (1 << 3)
  85. /* modulemode control type (SW or HW) */
  86. #define MODULEMODE_HWCTRL 1
  87. #define MODULEMODE_SWCTRL 2
  88. /**
  89. * struct omap_hwmod_mux_info - hwmod specific mux configuration
  90. * @pads: array of omap_device_pad entries
  91. * @nr_pads: number of omap_device_pad entries
  92. *
  93. * Note that this is currently built during init as needed.
  94. */
  95. struct omap_hwmod_mux_info {
  96. int nr_pads;
  97. struct omap_device_pad *pads;
  98. int nr_pads_dynamic;
  99. struct omap_device_pad **pads_dynamic;
  100. int *irqs;
  101. bool enabled;
  102. };
  103. /**
  104. * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod
  105. * @name: name of the IRQ channel (module local name)
  106. * @irq: IRQ channel ID (should be non-negative except -1 = terminator)
  107. *
  108. * @name should be something short, e.g., "tx" or "rx". It is for use
  109. * by platform_get_resource_byname(). It is defined locally to the
  110. * hwmod.
  111. */
  112. struct omap_hwmod_irq_info {
  113. const char *name;
  114. s16 irq;
  115. };
  116. /**
  117. * struct omap_hwmod_dma_info - DMA channels used by the hwmod
  118. * @name: name of the DMA channel (module local name)
  119. * @dma_req: DMA request ID (should be non-negative except -1 = terminator)
  120. *
  121. * @name should be something short, e.g., "tx" or "rx". It is for use
  122. * by platform_get_resource_byname(). It is defined locally to the
  123. * hwmod.
  124. */
  125. struct omap_hwmod_dma_info {
  126. const char *name;
  127. s16 dma_req;
  128. };
  129. /**
  130. * struct omap_hwmod_rst_info - IPs reset lines use by hwmod
  131. * @name: name of the reset line (module local name)
  132. * @rst_shift: Offset of the reset bit
  133. * @st_shift: Offset of the reset status bit (OMAP2/3 only)
  134. *
  135. * @name should be something short, e.g., "cpu0" or "rst". It is defined
  136. * locally to the hwmod.
  137. */
  138. struct omap_hwmod_rst_info {
  139. const char *name;
  140. u8 rst_shift;
  141. u8 st_shift;
  142. };
  143. /**
  144. * struct omap_hwmod_opt_clk - optional clocks used by this hwmod
  145. * @role: "sys", "32k", "tv", etc -- for use in clk_get()
  146. * @clk: opt clock: OMAP clock name
  147. * @_clk: pointer to the struct clk (filled in at runtime)
  148. *
  149. * The module's interface clock and main functional clock should not
  150. * be added as optional clocks.
  151. */
  152. struct omap_hwmod_opt_clk {
  153. const char *role;
  154. const char *clk;
  155. struct clk *_clk;
  156. };
  157. /* omap_hwmod_omap2_firewall.flags bits */
  158. #define OMAP_FIREWALL_L3 (1 << 0)
  159. #define OMAP_FIREWALL_L4 (1 << 1)
  160. /**
  161. * struct omap_hwmod_omap2_firewall - OMAP2/3 device firewall data
  162. * @l3_perm_bit: bit shift for L3_PM_*_PERMISSION_*
  163. * @l4_fw_region: L4 firewall region ID
  164. * @l4_prot_group: L4 protection group ID
  165. * @flags: (see omap_hwmod_omap2_firewall.flags macros above)
  166. */
  167. struct omap_hwmod_omap2_firewall {
  168. u8 l3_perm_bit;
  169. u8 l4_fw_region;
  170. u8 l4_prot_group;
  171. u8 flags;
  172. };
  173. /*
  174. * omap_hwmod_addr_space.flags bits
  175. *
  176. * ADDR_MAP_ON_INIT: Map this address space during omap_hwmod init.
  177. * ADDR_TYPE_RT: Address space contains module register target data.
  178. */
  179. #define ADDR_MAP_ON_INIT (1 << 0) /* XXX does not belong */
  180. #define ADDR_TYPE_RT (1 << 1)
  181. /**
  182. * struct omap_hwmod_addr_space - address space handled by the hwmod
  183. * @name: name of the address space
  184. * @pa_start: starting physical address
  185. * @pa_end: ending physical address
  186. * @flags: (see omap_hwmod_addr_space.flags macros above)
  187. *
  188. * Address space doesn't necessarily follow physical interconnect
  189. * structure. GPMC is one example.
  190. */
  191. struct omap_hwmod_addr_space {
  192. const char *name;
  193. u32 pa_start;
  194. u32 pa_end;
  195. u8 flags;
  196. };
  197. /*
  198. * omap_hwmod_ocp_if.user bits: these indicate the initiators that use this
  199. * interface to interact with the hwmod. Used to add sleep dependencies
  200. * when the module is enabled or disabled.
  201. */
  202. #define OCP_USER_MPU (1 << 0)
  203. #define OCP_USER_SDMA (1 << 1)
  204. #define OCP_USER_DSP (1 << 2)
  205. #define OCP_USER_IVA (1 << 3)
  206. /* omap_hwmod_ocp_if.flags bits */
  207. #define OCPIF_SWSUP_IDLE (1 << 0)
  208. #define OCPIF_CAN_BURST (1 << 1)
  209. /* omap_hwmod_ocp_if._int_flags possibilities */
  210. #define _OCPIF_INT_FLAGS_REGISTERED (1 << 0)
  211. /**
  212. * struct omap_hwmod_ocp_if - OCP interface data
  213. * @master: struct omap_hwmod that initiates OCP transactions on this link
  214. * @slave: struct omap_hwmod that responds to OCP transactions on this link
  215. * @addr: address space associated with this link
  216. * @clk: interface clock: OMAP clock name
  217. * @_clk: pointer to the interface struct clk (filled in at runtime)
  218. * @fw: interface firewall data
  219. * @width: OCP data width
  220. * @user: initiators using this interface (see OCP_USER_* macros above)
  221. * @flags: OCP interface flags (see OCPIF_* macros above)
  222. * @_int_flags: internal flags (see _OCPIF_INT_FLAGS* macros above)
  223. *
  224. * It may also be useful to add a tag_cnt field for OCP2.x devices.
  225. *
  226. * Parameter names beginning with an underscore are managed internally by
  227. * the omap_hwmod code and should not be set during initialization.
  228. */
  229. struct omap_hwmod_ocp_if {
  230. struct omap_hwmod *master;
  231. struct omap_hwmod *slave;
  232. struct omap_hwmod_addr_space *addr;
  233. const char *clk;
  234. struct clk *_clk;
  235. union {
  236. struct omap_hwmod_omap2_firewall omap2;
  237. } fw;
  238. u8 width;
  239. u8 user;
  240. u8 flags;
  241. u8 _int_flags;
  242. };
  243. /* Macros for use in struct omap_hwmod_sysconfig */
  244. /* Flags for use in omap_hwmod_sysconfig.idlemodes */
  245. #define MASTER_STANDBY_SHIFT 4
  246. #define SLAVE_IDLE_SHIFT 0
  247. #define SIDLE_FORCE (HWMOD_IDLEMODE_FORCE << SLAVE_IDLE_SHIFT)
  248. #define SIDLE_NO (HWMOD_IDLEMODE_NO << SLAVE_IDLE_SHIFT)
  249. #define SIDLE_SMART (HWMOD_IDLEMODE_SMART << SLAVE_IDLE_SHIFT)
  250. #define SIDLE_SMART_WKUP (HWMOD_IDLEMODE_SMART_WKUP << SLAVE_IDLE_SHIFT)
  251. #define MSTANDBY_FORCE (HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT)
  252. #define MSTANDBY_NO (HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT)
  253. #define MSTANDBY_SMART (HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT)
  254. #define MSTANDBY_SMART_WKUP (HWMOD_IDLEMODE_SMART_WKUP << MASTER_STANDBY_SHIFT)
  255. /* omap_hwmod_sysconfig.sysc_flags capability flags */
  256. #define SYSC_HAS_AUTOIDLE (1 << 0)
  257. #define SYSC_HAS_SOFTRESET (1 << 1)
  258. #define SYSC_HAS_ENAWAKEUP (1 << 2)
  259. #define SYSC_HAS_EMUFREE (1 << 3)
  260. #define SYSC_HAS_CLOCKACTIVITY (1 << 4)
  261. #define SYSC_HAS_SIDLEMODE (1 << 5)
  262. #define SYSC_HAS_MIDLEMODE (1 << 6)
  263. #define SYSS_HAS_RESET_STATUS (1 << 7)
  264. #define SYSC_NO_CACHE (1 << 8) /* XXX SW flag, belongs elsewhere */
  265. #define SYSC_HAS_RESET_STATUS (1 << 9)
  266. #define SYSC_HAS_DMADISABLE (1 << 10)
  267. /* omap_hwmod_sysconfig.clockact flags */
  268. #define CLOCKACT_TEST_BOTH 0x0
  269. #define CLOCKACT_TEST_MAIN 0x1
  270. #define CLOCKACT_TEST_ICLK 0x2
  271. #define CLOCKACT_TEST_NONE 0x3
  272. /**
  273. * struct omap_hwmod_sysc_fields - hwmod OCP_SYSCONFIG register field offsets.
  274. * @midle_shift: Offset of the midle bit
  275. * @clkact_shift: Offset of the clockactivity bit
  276. * @sidle_shift: Offset of the sidle bit
  277. * @enwkup_shift: Offset of the enawakeup bit
  278. * @srst_shift: Offset of the softreset bit
  279. * @autoidle_shift: Offset of the autoidle bit
  280. * @dmadisable_shift: Offset of the dmadisable bit
  281. */
  282. struct omap_hwmod_sysc_fields {
  283. u8 midle_shift;
  284. u8 clkact_shift;
  285. u8 sidle_shift;
  286. u8 enwkup_shift;
  287. u8 srst_shift;
  288. u8 autoidle_shift;
  289. u8 dmadisable_shift;
  290. };
  291. /**
  292. * struct omap_hwmod_class_sysconfig - hwmod class OCP_SYS* data
  293. * @rev_offs: IP block revision register offset (from module base addr)
  294. * @sysc_offs: OCP_SYSCONFIG register offset (from module base addr)
  295. * @syss_offs: OCP_SYSSTATUS register offset (from module base addr)
  296. * @srst_udelay: Delay needed after doing a softreset in usecs
  297. * @idlemodes: One or more of {SIDLE,MSTANDBY}_{OFF,FORCE,SMART}
  298. * @sysc_flags: SYS{C,S}_HAS* flags indicating SYSCONFIG bits supported
  299. * @clockact: the default value of the module CLOCKACTIVITY bits
  300. *
  301. * @clockact describes to the module which clocks are likely to be
  302. * disabled when the PRCM issues its idle request to the module. Some
  303. * modules have separate clockdomains for the interface clock and main
  304. * functional clock, and can check whether they should acknowledge the
  305. * idle request based on the internal module functionality that has
  306. * been associated with the clocks marked in @clockact. This field is
  307. * only used if HWMOD_SET_DEFAULT_CLOCKACT is set (see below)
  308. *
  309. * @sysc_fields: structure containing the offset positions of various bits in
  310. * SYSCONFIG register. This can be populated using omap_hwmod_sysc_type1 or
  311. * omap_hwmod_sysc_type2 defined in omap_hwmod_common_data.c depending on
  312. * whether the device ip is compliant with the original PRCM protocol
  313. * defined for OMAP2420 or the new PRCM protocol for new OMAP4 IPs.
  314. * If the device follows a different scheme for the sysconfig register ,
  315. * then this field has to be populated with the correct offset structure.
  316. */
  317. struct omap_hwmod_class_sysconfig {
  318. u32 rev_offs;
  319. u32 sysc_offs;
  320. u32 syss_offs;
  321. u16 sysc_flags;
  322. struct omap_hwmod_sysc_fields *sysc_fields;
  323. u8 srst_udelay;
  324. u8 idlemodes;
  325. u8 clockact;
  326. };
  327. /**
  328. * struct omap_hwmod_omap2_prcm - OMAP2/3-specific PRCM data
  329. * @module_offs: PRCM submodule offset from the start of the PRM/CM
  330. * @prcm_reg_id: PRCM register ID (e.g., 3 for CM_AUTOIDLE3)
  331. * @module_bit: register bit shift for AUTOIDLE, WKST, WKEN, GRPSEL regs
  332. * @idlest_reg_id: IDLEST register ID (e.g., 3 for CM_IDLEST3)
  333. * @idlest_idle_bit: register bit shift for CM_IDLEST slave idle bit
  334. * @idlest_stdby_bit: register bit shift for CM_IDLEST master standby bit
  335. *
  336. * @prcm_reg_id and @module_bit are specific to the AUTOIDLE, WKST,
  337. * WKEN, GRPSEL registers. In an ideal world, no extra information
  338. * would be needed for IDLEST information, but alas, there are some
  339. * exceptions, so @idlest_reg_id, @idlest_idle_bit, @idlest_stdby_bit
  340. * are needed for the IDLEST registers (c.f. 2430 I2CHS, 3430 USBHOST)
  341. */
  342. struct omap_hwmod_omap2_prcm {
  343. s16 module_offs;
  344. u8 prcm_reg_id;
  345. u8 module_bit;
  346. u8 idlest_reg_id;
  347. u8 idlest_idle_bit;
  348. u8 idlest_stdby_bit;
  349. };