Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 1 | /* |
| 2 | * omap_hwmod macros, structures |
| 3 | * |
Paul Walmsley | 550c809 | 2011-02-28 11:58:14 -0700 | [diff] [blame] | 4 | * Copyright (C) 2009-2011 Nokia Corporation |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 5 | * Paul Walmsley |
| 6 | * |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 7 | * Created in collaboration with (alphabetical order): Benoît Cousson, |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 8 | * Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari |
| 9 | * Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License version 2 as |
| 13 | * published by the Free Software Foundation. |
| 14 | * |
| 15 | * These headers and macros are used to define OMAP on-chip module |
| 16 | * data and their integration with other OMAP modules and Linux. |
Paul Walmsley | 74ff3a6 | 2010-09-21 15:02:23 -0600 | [diff] [blame] | 17 | * Copious documentation and references can also be found in the |
| 18 | * omap_hwmod code, in arch/arm/mach-omap2/omap_hwmod.c (as of this |
| 19 | * writing). |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 20 | * |
| 21 | * To do: |
| 22 | * - add interconnect error log structures |
| 23 | * - add pinmuxing |
| 24 | * - init_conn_id_bit (CONNID_BIT_VECTOR) |
| 25 | * - implement default hwmod SMS/SDRC flags? |
Paul Walmsley | b56b7bc | 2010-12-14 12:42:36 -0700 | [diff] [blame] | 26 | * - move Linux-specific data ("non-ROM data") out |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 27 | * |
| 28 | */ |
| 29 | #ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H |
| 30 | #define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H |
| 31 | |
| 32 | #include <linux/kernel.h> |
Paul Walmsley | a2debdb | 2011-02-23 00:14:07 -0700 | [diff] [blame] | 33 | #include <linux/init.h> |
Thara Gopinath | 358f0e6 | 2010-02-24 12:05:58 -0700 | [diff] [blame] | 34 | #include <linux/list.h> |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 35 | #include <linux/ioport.h> |
Paul Walmsley | dc6d1cd | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 36 | #include <linux/spinlock.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 37 | #include <plat/cpu.h> |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 38 | |
| 39 | struct omap_device; |
| 40 | |
Thara Gopinath | 358f0e6 | 2010-02-24 12:05:58 -0700 | [diff] [blame] | 41 | extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type1; |
| 42 | extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2; |
| 43 | |
| 44 | /* |
| 45 | * OCP SYSCONFIG bit shifts/masks TYPE1. These are for IPs compliant |
| 46 | * with the original PRCM protocol defined for OMAP2420 |
| 47 | */ |
| 48 | #define SYSC_TYPE1_MIDLEMODE_SHIFT 12 |
| 49 | #define SYSC_TYPE1_MIDLEMODE_MASK (0x3 << SYSC_MIDLEMODE_SHIFT) |
| 50 | #define SYSC_TYPE1_CLOCKACTIVITY_SHIFT 8 |
| 51 | #define SYSC_TYPE1_CLOCKACTIVITY_MASK (0x3 << SYSC_CLOCKACTIVITY_SHIFT) |
| 52 | #define SYSC_TYPE1_SIDLEMODE_SHIFT 3 |
| 53 | #define SYSC_TYPE1_SIDLEMODE_MASK (0x3 << SYSC_SIDLEMODE_SHIFT) |
| 54 | #define SYSC_TYPE1_ENAWAKEUP_SHIFT 2 |
| 55 | #define SYSC_TYPE1_ENAWAKEUP_MASK (1 << SYSC_ENAWAKEUP_SHIFT) |
| 56 | #define SYSC_TYPE1_SOFTRESET_SHIFT 1 |
| 57 | #define SYSC_TYPE1_SOFTRESET_MASK (1 << SYSC_SOFTRESET_SHIFT) |
| 58 | #define SYSC_TYPE1_AUTOIDLE_SHIFT 0 |
| 59 | #define SYSC_TYPE1_AUTOIDLE_MASK (1 << SYSC_AUTOIDLE_SHIFT) |
| 60 | |
| 61 | /* |
| 62 | * OCP SYSCONFIG bit shifts/masks TYPE2. These are for IPs compliant |
| 63 | * with the new PRCM protocol defined for new OMAP4 IPs. |
| 64 | */ |
| 65 | #define SYSC_TYPE2_SOFTRESET_SHIFT 0 |
| 66 | #define SYSC_TYPE2_SOFTRESET_MASK (1 << SYSC_TYPE2_SOFTRESET_SHIFT) |
| 67 | #define SYSC_TYPE2_SIDLEMODE_SHIFT 2 |
| 68 | #define SYSC_TYPE2_SIDLEMODE_MASK (0x3 << SYSC_TYPE2_SIDLEMODE_SHIFT) |
| 69 | #define SYSC_TYPE2_MIDLEMODE_SHIFT 4 |
| 70 | #define SYSC_TYPE2_MIDLEMODE_MASK (0x3 << SYSC_TYPE2_MIDLEMODE_SHIFT) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 71 | |
| 72 | /* OCP SYSSTATUS bit shifts/masks */ |
| 73 | #define SYSS_RESETDONE_SHIFT 0 |
| 74 | #define SYSS_RESETDONE_MASK (1 << SYSS_RESETDONE_SHIFT) |
| 75 | |
| 76 | /* Master standby/slave idle mode flags */ |
| 77 | #define HWMOD_IDLEMODE_FORCE (1 << 0) |
| 78 | #define HWMOD_IDLEMODE_NO (1 << 1) |
| 79 | #define HWMOD_IDLEMODE_SMART (1 << 2) |
Benoit Cousson | 86009eb | 2010-12-21 21:31:28 -0700 | [diff] [blame] | 80 | #define HWMOD_IDLEMODE_SMART_WKUP (1 << 3) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 81 | |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 82 | /** |
Tony Lindgren | 9796b32 | 2010-12-22 18:42:35 -0800 | [diff] [blame] | 83 | * struct omap_hwmod_mux_info - hwmod specific mux configuration |
| 84 | * @pads: array of omap_device_pad entries |
| 85 | * @nr_pads: number of omap_device_pad entries |
| 86 | * |
| 87 | * Note that this is currently built during init as needed. |
| 88 | */ |
| 89 | struct omap_hwmod_mux_info { |
| 90 | int nr_pads; |
| 91 | struct omap_device_pad *pads; |
Tony Lindgren | 029268e | 2011-03-11 11:32:25 -0800 | [diff] [blame] | 92 | int nr_pads_dynamic; |
| 93 | struct omap_device_pad **pads_dynamic; |
| 94 | bool enabled; |
Tony Lindgren | 9796b32 | 2010-12-22 18:42:35 -0800 | [diff] [blame] | 95 | }; |
| 96 | |
| 97 | /** |
Paul Walmsley | 718bfd7 | 2009-12-08 16:34:16 -0700 | [diff] [blame] | 98 | * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod |
| 99 | * @name: name of the IRQ channel (module local name) |
Paul Walmsley | 212738a | 2011-07-09 19:14:06 -0600 | [diff] [blame] | 100 | * @irq: IRQ channel ID (should be non-negative except -1 = terminator) |
Paul Walmsley | 718bfd7 | 2009-12-08 16:34:16 -0700 | [diff] [blame] | 101 | * |
| 102 | * @name should be something short, e.g., "tx" or "rx". It is for use |
| 103 | * by platform_get_resource_byname(). It is defined locally to the |
| 104 | * hwmod. |
| 105 | */ |
| 106 | struct omap_hwmod_irq_info { |
| 107 | const char *name; |
Paul Walmsley | 212738a | 2011-07-09 19:14:06 -0600 | [diff] [blame] | 108 | s16 irq; |
Paul Walmsley | 718bfd7 | 2009-12-08 16:34:16 -0700 | [diff] [blame] | 109 | }; |
| 110 | |
| 111 | /** |
| 112 | * struct omap_hwmod_dma_info - DMA channels used by the hwmod |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 113 | * @name: name of the DMA channel (module local name) |
Paul Walmsley | bc61495 | 2011-07-09 19:14:07 -0600 | [diff] [blame] | 114 | * @dma_req: DMA request ID (should be non-negative except -1 = terminator) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 115 | * |
| 116 | * @name should be something short, e.g., "tx" or "rx". It is for use |
| 117 | * by platform_get_resource_byname(). It is defined locally to the |
| 118 | * hwmod. |
| 119 | */ |
| 120 | struct omap_hwmod_dma_info { |
| 121 | const char *name; |
Paul Walmsley | bc61495 | 2011-07-09 19:14:07 -0600 | [diff] [blame] | 122 | s16 dma_req; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 123 | }; |
| 124 | |
| 125 | /** |
Benoît Cousson | 5365efb | 2010-09-21 10:34:11 -0600 | [diff] [blame] | 126 | * struct omap_hwmod_rst_info - IPs reset lines use by hwmod |
| 127 | * @name: name of the reset line (module local name) |
| 128 | * @rst_shift: Offset of the reset bit |
omar ramirez | cc1226e | 2011-03-04 13:32:44 -0700 | [diff] [blame] | 129 | * @st_shift: Offset of the reset status bit (OMAP2/3 only) |
Benoît Cousson | 5365efb | 2010-09-21 10:34:11 -0600 | [diff] [blame] | 130 | * |
| 131 | * @name should be something short, e.g., "cpu0" or "rst". It is defined |
| 132 | * locally to the hwmod. |
| 133 | */ |
| 134 | struct omap_hwmod_rst_info { |
| 135 | const char *name; |
| 136 | u8 rst_shift; |
omar ramirez | cc1226e | 2011-03-04 13:32:44 -0700 | [diff] [blame] | 137 | u8 st_shift; |
Benoît Cousson | 5365efb | 2010-09-21 10:34:11 -0600 | [diff] [blame] | 138 | }; |
| 139 | |
| 140 | /** |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 141 | * struct omap_hwmod_opt_clk - optional clocks used by this hwmod |
| 142 | * @role: "sys", "32k", "tv", etc -- for use in clk_get() |
Paul Walmsley | 50ebdac | 2010-02-22 22:09:31 -0700 | [diff] [blame] | 143 | * @clk: opt clock: OMAP clock name |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 144 | * @_clk: pointer to the struct clk (filled in at runtime) |
| 145 | * |
| 146 | * The module's interface clock and main functional clock should not |
| 147 | * be added as optional clocks. |
| 148 | */ |
| 149 | struct omap_hwmod_opt_clk { |
| 150 | const char *role; |
Paul Walmsley | 50ebdac | 2010-02-22 22:09:31 -0700 | [diff] [blame] | 151 | const char *clk; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 152 | struct clk *_clk; |
| 153 | }; |
| 154 | |
| 155 | |
| 156 | /* omap_hwmod_omap2_firewall.flags bits */ |
| 157 | #define OMAP_FIREWALL_L3 (1 << 0) |
| 158 | #define OMAP_FIREWALL_L4 (1 << 1) |
| 159 | |
| 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 | |
| 175 | /* |
| 176 | * omap_hwmod_addr_space.flags bits |
| 177 | * |
| 178 | * ADDR_MAP_ON_INIT: Map this address space during omap_hwmod init. |
| 179 | * ADDR_TYPE_RT: Address space contains module register target data. |
| 180 | */ |
Paul Walmsley | b56b7bc | 2010-12-14 12:42:36 -0700 | [diff] [blame] | 181 | #define ADDR_MAP_ON_INIT (1 << 0) /* XXX does not belong */ |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 182 | #define ADDR_TYPE_RT (1 << 1) |
| 183 | |
| 184 | /** |
Kishon Vijay Abraham I | cd50380 | 2011-02-24 12:51:45 -0800 | [diff] [blame] | 185 | * struct omap_hwmod_addr_space - address space handled by the hwmod |
| 186 | * @name: name of the address space |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 187 | * @pa_start: starting physical address |
| 188 | * @pa_end: ending physical address |
| 189 | * @flags: (see omap_hwmod_addr_space.flags macros above) |
| 190 | * |
| 191 | * Address space doesn't necessarily follow physical interconnect |
| 192 | * structure. GPMC is one example. |
| 193 | */ |
| 194 | struct omap_hwmod_addr_space { |
Kishon Vijay Abraham I | cd50380 | 2011-02-24 12:51:45 -0800 | [diff] [blame] | 195 | const char *name; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 196 | u32 pa_start; |
| 197 | u32 pa_end; |
| 198 | u8 flags; |
| 199 | }; |
| 200 | |
| 201 | |
| 202 | /* |
| 203 | * omap_hwmod_ocp_if.user bits: these indicate the initiators that use this |
| 204 | * interface to interact with the hwmod. Used to add sleep dependencies |
| 205 | * when the module is enabled or disabled. |
| 206 | */ |
| 207 | #define OCP_USER_MPU (1 << 0) |
| 208 | #define OCP_USER_SDMA (1 << 1) |
| 209 | |
| 210 | /* omap_hwmod_ocp_if.flags bits */ |
Benoit Cousson | 33f7ec8 | 2010-05-20 12:31:09 -0600 | [diff] [blame] | 211 | #define OCPIF_SWSUP_IDLE (1 << 0) |
| 212 | #define OCPIF_CAN_BURST (1 << 1) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 213 | |
| 214 | /** |
| 215 | * struct omap_hwmod_ocp_if - OCP interface data |
| 216 | * @master: struct omap_hwmod that initiates OCP transactions on this link |
| 217 | * @slave: struct omap_hwmod that responds to OCP transactions on this link |
| 218 | * @addr: address space associated with this link |
Paul Walmsley | 50ebdac | 2010-02-22 22:09:31 -0700 | [diff] [blame] | 219 | * @clk: interface clock: OMAP clock name |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 220 | * @_clk: pointer to the interface struct clk (filled in at runtime) |
| 221 | * @fw: interface firewall data |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 222 | * @width: OCP data width |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 223 | * @user: initiators using this interface (see OCP_USER_* macros above) |
| 224 | * @flags: OCP interface flags (see OCPIF_* macros above) |
| 225 | * |
| 226 | * It may also be useful to add a tag_cnt field for OCP2.x devices. |
| 227 | * |
| 228 | * Parameter names beginning with an underscore are managed internally by |
| 229 | * the omap_hwmod code and should not be set during initialization. |
| 230 | */ |
| 231 | struct omap_hwmod_ocp_if { |
| 232 | struct omap_hwmod *master; |
| 233 | struct omap_hwmod *slave; |
| 234 | struct omap_hwmod_addr_space *addr; |
Paul Walmsley | 50ebdac | 2010-02-22 22:09:31 -0700 | [diff] [blame] | 235 | const char *clk; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 236 | struct clk *_clk; |
| 237 | union { |
| 238 | struct omap_hwmod_omap2_firewall omap2; |
| 239 | } fw; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 240 | u8 width; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 241 | u8 user; |
| 242 | u8 flags; |
| 243 | }; |
| 244 | |
| 245 | |
| 246 | /* Macros for use in struct omap_hwmod_sysconfig */ |
| 247 | |
| 248 | /* Flags for use in omap_hwmod_sysconfig.idlemodes */ |
Benoit Cousson | 86009eb | 2010-12-21 21:31:28 -0700 | [diff] [blame] | 249 | #define MASTER_STANDBY_SHIFT 4 |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 250 | #define SLAVE_IDLE_SHIFT 0 |
| 251 | #define SIDLE_FORCE (HWMOD_IDLEMODE_FORCE << SLAVE_IDLE_SHIFT) |
| 252 | #define SIDLE_NO (HWMOD_IDLEMODE_NO << SLAVE_IDLE_SHIFT) |
| 253 | #define SIDLE_SMART (HWMOD_IDLEMODE_SMART << SLAVE_IDLE_SHIFT) |
Benoit Cousson | 86009eb | 2010-12-21 21:31:28 -0700 | [diff] [blame] | 254 | #define SIDLE_SMART_WKUP (HWMOD_IDLEMODE_SMART_WKUP << SLAVE_IDLE_SHIFT) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 255 | #define MSTANDBY_FORCE (HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT) |
| 256 | #define MSTANDBY_NO (HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT) |
| 257 | #define MSTANDBY_SMART (HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT) |
Benoit Cousson | 724019b | 2011-07-01 22:54:00 +0200 | [diff] [blame] | 258 | #define MSTANDBY_SMART_WKUP (HWMOD_IDLEMODE_SMART_WKUP << MASTER_STANDBY_SHIFT) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 259 | |
| 260 | /* omap_hwmod_sysconfig.sysc_flags capability flags */ |
| 261 | #define SYSC_HAS_AUTOIDLE (1 << 0) |
| 262 | #define SYSC_HAS_SOFTRESET (1 << 1) |
| 263 | #define SYSC_HAS_ENAWAKEUP (1 << 2) |
| 264 | #define SYSC_HAS_EMUFREE (1 << 3) |
| 265 | #define SYSC_HAS_CLOCKACTIVITY (1 << 4) |
| 266 | #define SYSC_HAS_SIDLEMODE (1 << 5) |
| 267 | #define SYSC_HAS_MIDLEMODE (1 << 6) |
Benoit Cousson | 2cb0681 | 2010-09-21 18:57:59 +0200 | [diff] [blame] | 268 | #define SYSS_HAS_RESET_STATUS (1 << 7) |
Thara Gopinath | 883edfd | 2010-01-19 17:30:51 -0700 | [diff] [blame] | 269 | #define SYSC_NO_CACHE (1 << 8) /* XXX SW flag, belongs elsewhere */ |
Benoit Cousson | 2cb0681 | 2010-09-21 18:57:59 +0200 | [diff] [blame] | 270 | #define SYSC_HAS_RESET_STATUS (1 << 9) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 271 | |
| 272 | /* omap_hwmod_sysconfig.clockact flags */ |
| 273 | #define CLOCKACT_TEST_BOTH 0x0 |
| 274 | #define CLOCKACT_TEST_MAIN 0x1 |
| 275 | #define CLOCKACT_TEST_ICLK 0x2 |
| 276 | #define CLOCKACT_TEST_NONE 0x3 |
| 277 | |
| 278 | /** |
Thara Gopinath | 358f0e6 | 2010-02-24 12:05:58 -0700 | [diff] [blame] | 279 | * struct omap_hwmod_sysc_fields - hwmod OCP_SYSCONFIG register field offsets. |
| 280 | * @midle_shift: Offset of the midle bit |
| 281 | * @clkact_shift: Offset of the clockactivity bit |
| 282 | * @sidle_shift: Offset of the sidle bit |
| 283 | * @enwkup_shift: Offset of the enawakeup bit |
| 284 | * @srst_shift: Offset of the softreset bit |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 285 | * @autoidle_shift: Offset of the autoidle bit |
Thara Gopinath | 358f0e6 | 2010-02-24 12:05:58 -0700 | [diff] [blame] | 286 | */ |
| 287 | struct omap_hwmod_sysc_fields { |
| 288 | u8 midle_shift; |
| 289 | u8 clkact_shift; |
| 290 | u8 sidle_shift; |
| 291 | u8 enwkup_shift; |
| 292 | u8 srst_shift; |
| 293 | u8 autoidle_shift; |
| 294 | }; |
| 295 | |
| 296 | /** |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 297 | * struct omap_hwmod_class_sysconfig - hwmod class OCP_SYS* data |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 298 | * @rev_offs: IP block revision register offset (from module base addr) |
| 299 | * @sysc_offs: OCP_SYSCONFIG register offset (from module base addr) |
| 300 | * @syss_offs: OCP_SYSSTATUS register offset (from module base addr) |
| 301 | * @idlemodes: One or more of {SIDLE,MSTANDBY}_{OFF,FORCE,SMART} |
| 302 | * @sysc_flags: SYS{C,S}_HAS* flags indicating SYSCONFIG bits supported |
| 303 | * @clockact: the default value of the module CLOCKACTIVITY bits |
| 304 | * |
| 305 | * @clockact describes to the module which clocks are likely to be |
| 306 | * disabled when the PRCM issues its idle request to the module. Some |
| 307 | * modules have separate clockdomains for the interface clock and main |
| 308 | * functional clock, and can check whether they should acknowledge the |
| 309 | * idle request based on the internal module functionality that has |
| 310 | * been associated with the clocks marked in @clockact. This field is |
| 311 | * only used if HWMOD_SET_DEFAULT_CLOCKACT is set (see below) |
| 312 | * |
Thara Gopinath | 358f0e6 | 2010-02-24 12:05:58 -0700 | [diff] [blame] | 313 | * @sysc_fields: structure containing the offset positions of various bits in |
| 314 | * SYSCONFIG register. This can be populated using omap_hwmod_sysc_type1 or |
| 315 | * omap_hwmod_sysc_type2 defined in omap_hwmod_common_data.c depending on |
| 316 | * whether the device ip is compliant with the original PRCM protocol |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 317 | * defined for OMAP2420 or the new PRCM protocol for new OMAP4 IPs. |
| 318 | * If the device follows a different scheme for the sysconfig register , |
Thara Gopinath | 358f0e6 | 2010-02-24 12:05:58 -0700 | [diff] [blame] | 319 | * then this field has to be populated with the correct offset structure. |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 320 | */ |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 321 | struct omap_hwmod_class_sysconfig { |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 322 | u16 rev_offs; |
| 323 | u16 sysc_offs; |
| 324 | u16 syss_offs; |
Thara Gopinath | 56dc79a | 2010-03-31 04:16:29 -0600 | [diff] [blame] | 325 | u16 sysc_flags; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 326 | u8 idlemodes; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 327 | u8 clockact; |
Thara Gopinath | 358f0e6 | 2010-02-24 12:05:58 -0700 | [diff] [blame] | 328 | struct omap_hwmod_sysc_fields *sysc_fields; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 329 | }; |
| 330 | |
| 331 | /** |
| 332 | * struct omap_hwmod_omap2_prcm - OMAP2/3-specific PRCM data |
| 333 | * @module_offs: PRCM submodule offset from the start of the PRM/CM |
| 334 | * @prcm_reg_id: PRCM register ID (e.g., 3 for CM_AUTOIDLE3) |
| 335 | * @module_bit: register bit shift for AUTOIDLE, WKST, WKEN, GRPSEL regs |
| 336 | * @idlest_reg_id: IDLEST register ID (e.g., 3 for CM_IDLEST3) |
| 337 | * @idlest_idle_bit: register bit shift for CM_IDLEST slave idle bit |
| 338 | * @idlest_stdby_bit: register bit shift for CM_IDLEST master standby bit |
| 339 | * |
| 340 | * @prcm_reg_id and @module_bit are specific to the AUTOIDLE, WKST, |
| 341 | * WKEN, GRPSEL registers. In an ideal world, no extra information |
| 342 | * would be needed for IDLEST information, but alas, there are some |
| 343 | * exceptions, so @idlest_reg_id, @idlest_idle_bit, @idlest_stdby_bit |
| 344 | * are needed for the IDLEST registers (c.f. 2430 I2CHS, 3430 USBHOST) |
| 345 | */ |
| 346 | struct omap_hwmod_omap2_prcm { |
| 347 | s16 module_offs; |
| 348 | u8 prcm_reg_id; |
| 349 | u8 module_bit; |
| 350 | u8 idlest_reg_id; |
| 351 | u8 idlest_idle_bit; |
| 352 | u8 idlest_stdby_bit; |
| 353 | }; |
| 354 | |
| 355 | |
| 356 | /** |
| 357 | * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data |
Benoit Cousson | 53934aa | 2010-05-20 12:31:08 -0600 | [diff] [blame] | 358 | * @clkctrl_reg: PRCM address of the clock control register |
Uwe Kleine-König | b595076 | 2010-11-01 15:38:34 -0400 | [diff] [blame] | 359 | * @rstctrl_reg: address of the XXX_RSTCTRL register located in the PRM |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 360 | * @submodule_wkdep_bit: bit shift of the WKDEP range |
| 361 | */ |
| 362 | struct omap_hwmod_omap4_prcm { |
Benoit Cousson | 53934aa | 2010-05-20 12:31:08 -0600 | [diff] [blame] | 363 | void __iomem *clkctrl_reg; |
Benoît Cousson | 5365efb | 2010-09-21 10:34:11 -0600 | [diff] [blame] | 364 | void __iomem *rstctrl_reg; |
Benoit Cousson | 53934aa | 2010-05-20 12:31:08 -0600 | [diff] [blame] | 365 | u8 submodule_wkdep_bit; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 366 | }; |
| 367 | |
| 368 | |
| 369 | /* |
| 370 | * omap_hwmod.flags definitions |
| 371 | * |
| 372 | * HWMOD_SWSUP_SIDLE: omap_hwmod code should manually bring module in and out |
| 373 | * of idle, rather than relying on module smart-idle |
| 374 | * HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out |
| 375 | * of standby, rather than relying on module smart-standby |
| 376 | * HWMOD_INIT_NO_RESET: don't reset this module at boot - important for |
Paul Walmsley | b56b7bc | 2010-12-14 12:42:36 -0700 | [diff] [blame] | 377 | * SDRAM controller, etc. XXX probably belongs outside the main hwmod file |
Paul Walmsley | 550c809 | 2011-02-28 11:58:14 -0700 | [diff] [blame] | 378 | * XXX Should be HWMOD_SETUP_NO_RESET |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 379 | * HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM |
Paul Walmsley | b56b7bc | 2010-12-14 12:42:36 -0700 | [diff] [blame] | 380 | * controller, etc. XXX probably belongs outside the main hwmod file |
Paul Walmsley | 550c809 | 2011-02-28 11:58:14 -0700 | [diff] [blame] | 381 | * XXX Should be HWMOD_SETUP_NO_IDLE |
Paul Walmsley | 4d2274c | 2011-03-03 15:22:42 -0700 | [diff] [blame] | 382 | * HWMOD_NO_OCP_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE) |
Paul Walmsley | 726072e | 2009-12-08 16:34:15 -0700 | [diff] [blame] | 383 | * when module is enabled, rather than the default, which is to |
| 384 | * enable autoidle |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 385 | * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup |
Paul Walmsley | bd36179 | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 386 | * HWMOD_NO_IDLEST: this module does not have idle status - this is the case |
Benoit Cousson | 33f7ec8 | 2010-05-20 12:31:09 -0600 | [diff] [blame] | 387 | * only for few initiator modules on OMAP2 & 3. |
Benoit Cousson | 96835af | 2010-09-21 18:57:58 +0200 | [diff] [blame] | 388 | * HWMOD_CONTROL_OPT_CLKS_IN_RESET: Enable all optional clocks during reset. |
| 389 | * This is needed for devices like DSS that require optional clocks enabled |
| 390 | * in order to complete the reset. Optional clocks will be disabled |
| 391 | * again after the reset. |
Rajendra Nayak | cc7a1d2 | 2010-10-08 10:23:22 -0700 | [diff] [blame] | 392 | * HWMOD_16BIT_REG: Module has 16bit registers |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 393 | */ |
| 394 | #define HWMOD_SWSUP_SIDLE (1 << 0) |
| 395 | #define HWMOD_SWSUP_MSTANDBY (1 << 1) |
| 396 | #define HWMOD_INIT_NO_RESET (1 << 2) |
| 397 | #define HWMOD_INIT_NO_IDLE (1 << 3) |
Paul Walmsley | 726072e | 2009-12-08 16:34:15 -0700 | [diff] [blame] | 398 | #define HWMOD_NO_OCP_AUTOIDLE (1 << 4) |
| 399 | #define HWMOD_SET_DEFAULT_CLOCKACT (1 << 5) |
Benoit Cousson | 33f7ec8 | 2010-05-20 12:31:09 -0600 | [diff] [blame] | 400 | #define HWMOD_NO_IDLEST (1 << 6) |
Benoit Cousson | 96835af | 2010-09-21 18:57:58 +0200 | [diff] [blame] | 401 | #define HWMOD_CONTROL_OPT_CLKS_IN_RESET (1 << 7) |
Rajendra Nayak | cc7a1d2 | 2010-10-08 10:23:22 -0700 | [diff] [blame] | 402 | #define HWMOD_16BIT_REG (1 << 8) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 403 | |
| 404 | /* |
| 405 | * omap_hwmod._int_flags definitions |
| 406 | * These are for internal use only and are managed by the omap_hwmod code. |
| 407 | * |
| 408 | * _HWMOD_NO_MPU_PORT: no path exists for the MPU to write to this module |
| 409 | * _HWMOD_WAKEUP_ENABLED: set when the omap_hwmod code has enabled ENAWAKEUP |
| 410 | * _HWMOD_SYSCONFIG_LOADED: set when the OCP_SYSCONFIG value has been cached |
| 411 | */ |
| 412 | #define _HWMOD_NO_MPU_PORT (1 << 0) |
| 413 | #define _HWMOD_WAKEUP_ENABLED (1 << 1) |
| 414 | #define _HWMOD_SYSCONFIG_LOADED (1 << 2) |
| 415 | |
| 416 | /* |
| 417 | * omap_hwmod._state definitions |
| 418 | * |
| 419 | * INITIALIZED: reset (optionally), initialized, enabled, disabled |
| 420 | * (optionally) |
| 421 | * |
| 422 | * |
| 423 | */ |
| 424 | #define _HWMOD_STATE_UNKNOWN 0 |
| 425 | #define _HWMOD_STATE_REGISTERED 1 |
| 426 | #define _HWMOD_STATE_CLKS_INITED 2 |
| 427 | #define _HWMOD_STATE_INITIALIZED 3 |
| 428 | #define _HWMOD_STATE_ENABLED 4 |
| 429 | #define _HWMOD_STATE_IDLE 5 |
| 430 | #define _HWMOD_STATE_DISABLED 6 |
| 431 | |
| 432 | /** |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 433 | * struct omap_hwmod_class - the type of an IP block |
| 434 | * @name: name of the hwmod_class |
| 435 | * @sysc: device SYSCONFIG/SYSSTATUS register data |
| 436 | * @rev: revision of the IP class |
Paul Walmsley | e4dc8f5 | 2010-12-14 12:42:34 -0700 | [diff] [blame] | 437 | * @pre_shutdown: ptr to fn to be executed immediately prior to device shutdown |
Paul Walmsley | bd36179 | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 438 | * @reset: ptr to fn to be executed in place of the standard hwmod reset fn |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 439 | * |
| 440 | * Represent the class of a OMAP hardware "modules" (e.g. timer, |
| 441 | * smartreflex, gpio, uart...) |
Paul Walmsley | e4dc8f5 | 2010-12-14 12:42:34 -0700 | [diff] [blame] | 442 | * |
| 443 | * @pre_shutdown is a function that will be run immediately before |
| 444 | * hwmod clocks are disabled, etc. It is intended for use for hwmods |
| 445 | * like the MPU watchdog, which cannot be disabled with the standard |
| 446 | * omap_hwmod_shutdown(). The function should return 0 upon success, |
| 447 | * or some negative error upon failure. Returning an error will cause |
| 448 | * omap_hwmod_shutdown() to abort the device shutdown and return an |
| 449 | * error. |
Paul Walmsley | bd36179 | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 450 | * |
| 451 | * If @reset is defined, then the function it points to will be |
| 452 | * executed in place of the standard hwmod _reset() code in |
| 453 | * mach-omap2/omap_hwmod.c. This is needed for IP blocks which have |
| 454 | * unusual reset sequences - usually processor IP blocks like the IVA. |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 455 | */ |
| 456 | struct omap_hwmod_class { |
| 457 | const char *name; |
| 458 | struct omap_hwmod_class_sysconfig *sysc; |
| 459 | u32 rev; |
Paul Walmsley | e4dc8f5 | 2010-12-14 12:42:34 -0700 | [diff] [blame] | 460 | int (*pre_shutdown)(struct omap_hwmod *oh); |
Paul Walmsley | bd36179 | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 461 | int (*reset)(struct omap_hwmod *oh); |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 462 | }; |
| 463 | |
| 464 | /** |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 465 | * struct omap_hwmod - integration data for OMAP hardware "modules" (IP blocks) |
| 466 | * @name: name of the hwmod |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 467 | * @class: struct omap_hwmod_class * to the class of this hwmod |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 468 | * @od: struct omap_device currently associated with this hwmod (internal use) |
Paul Walmsley | 212738a | 2011-07-09 19:14:06 -0600 | [diff] [blame] | 469 | * @mpu_irqs: ptr to an array of MPU IRQs |
Paul Walmsley | bc61495 | 2011-07-09 19:14:07 -0600 | [diff] [blame] | 470 | * @sdma_reqs: ptr to an array of System DMA request IDs |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 471 | * @prcm: PRCM data pertaining to this hwmod |
Paul Walmsley | 50ebdac | 2010-02-22 22:09:31 -0700 | [diff] [blame] | 472 | * @main_clk: main clock: OMAP clock name |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 473 | * @_clk: pointer to the main struct clk (filled in at runtime) |
| 474 | * @opt_clks: other device clocks that drivers can request (0..*) |
Thara Gopinath | 3b92408c | 2010-08-18 16:21:58 +0530 | [diff] [blame] | 475 | * @vdd_name: voltage domain name |
| 476 | * @voltdm: pointer to voltage domain (filled in at runtime) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 477 | * @masters: ptr to array of OCP ifs that this hwmod can initiate on |
| 478 | * @slaves: ptr to array of OCP ifs that this hwmod can respond on |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 479 | * @dev_attr: arbitrary device attributes that can be passed to the driver |
| 480 | * @_sysc_cache: internal-use hwmod flags |
Paul Walmsley | db2a60b | 2010-07-26 16:34:33 -0600 | [diff] [blame] | 481 | * @_mpu_rt_va: cached register target start address (internal use) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 482 | * @_mpu_port_index: cached MPU register target slave ID (internal use) |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 483 | * @opt_clks_cnt: number of @opt_clks |
| 484 | * @master_cnt: number of @master entries |
| 485 | * @slaves_cnt: number of @slave entries |
| 486 | * @response_lat: device OCP response latency (in interface clock cycles) |
| 487 | * @_int_flags: internal-use hwmod flags |
| 488 | * @_state: internal-use hwmod state |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 489 | * @_postsetup_state: internal-use state to leave the hwmod in after _setup() |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 490 | * @flags: hwmod flags (documented below) |
| 491 | * @omap_chip: OMAP chips this hwmod is present on |
Paul Walmsley | dc6d1cd | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 492 | * @_lock: spinlock serializing operations on this hwmod |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 493 | * @node: list node for hwmod list (internal use) |
| 494 | * |
Paul Walmsley | 50ebdac | 2010-02-22 22:09:31 -0700 | [diff] [blame] | 495 | * @main_clk refers to this module's "main clock," which for our |
| 496 | * purposes is defined as "the functional clock needed for register |
| 497 | * accesses to complete." Modules may not have a main clock if the |
| 498 | * interface clock also serves as a main clock. |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 499 | * |
| 500 | * Parameter names beginning with an underscore are managed internally by |
| 501 | * the omap_hwmod code and should not be set during initialization. |
| 502 | */ |
| 503 | struct omap_hwmod { |
| 504 | const char *name; |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 505 | struct omap_hwmod_class *class; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 506 | struct omap_device *od; |
Tony Lindgren | 9796b32 | 2010-12-22 18:42:35 -0800 | [diff] [blame] | 507 | struct omap_hwmod_mux_info *mux; |
Paul Walmsley | 718bfd7 | 2009-12-08 16:34:16 -0700 | [diff] [blame] | 508 | struct omap_hwmod_irq_info *mpu_irqs; |
Benoit Cousson | 9ee9fff | 2010-09-21 10:34:08 -0600 | [diff] [blame] | 509 | struct omap_hwmod_dma_info *sdma_reqs; |
Benoît Cousson | 5365efb | 2010-09-21 10:34:11 -0600 | [diff] [blame] | 510 | struct omap_hwmod_rst_info *rst_lines; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 511 | union { |
| 512 | struct omap_hwmod_omap2_prcm omap2; |
| 513 | struct omap_hwmod_omap4_prcm omap4; |
| 514 | } prcm; |
Paul Walmsley | 50ebdac | 2010-02-22 22:09:31 -0700 | [diff] [blame] | 515 | const char *main_clk; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 516 | struct clk *_clk; |
| 517 | struct omap_hwmod_opt_clk *opt_clks; |
Benoit Cousson | a5322c6 | 2011-07-10 05:56:29 -0600 | [diff] [blame] | 518 | char *clkdm_name; |
Benoit Cousson | 6ae7699 | 2011-07-10 05:56:30 -0600 | [diff] [blame^] | 519 | struct clockdomain *clkdm; |
Thara Gopinath | 3b92408c | 2010-08-18 16:21:58 +0530 | [diff] [blame] | 520 | char *vdd_name; |
| 521 | struct voltagedomain *voltdm; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 522 | struct omap_hwmod_ocp_if **masters; /* connect to *_IA */ |
| 523 | struct omap_hwmod_ocp_if **slaves; /* connect to *_TA */ |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 524 | void *dev_attr; |
| 525 | u32 _sysc_cache; |
Paul Walmsley | db2a60b | 2010-07-26 16:34:33 -0600 | [diff] [blame] | 526 | void __iomem *_mpu_rt_va; |
Paul Walmsley | dc6d1cd | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 527 | spinlock_t _lock; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 528 | struct list_head node; |
| 529 | u16 flags; |
| 530 | u8 _mpu_port_index; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 531 | u8 response_lat; |
Benoît Cousson | 5365efb | 2010-09-21 10:34:11 -0600 | [diff] [blame] | 532 | u8 rst_lines_cnt; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 533 | u8 opt_clks_cnt; |
| 534 | u8 masters_cnt; |
| 535 | u8 slaves_cnt; |
| 536 | u8 hwmods_cnt; |
| 537 | u8 _int_flags; |
| 538 | u8 _state; |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 539 | u8 _postsetup_state; |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 540 | const struct omap_chip_id omap_chip; |
| 541 | }; |
| 542 | |
Paul Walmsley | 550c809 | 2011-02-28 11:58:14 -0700 | [diff] [blame] | 543 | int omap_hwmod_register(struct omap_hwmod **ohs); |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 544 | struct omap_hwmod *omap_hwmod_lookup(const char *name); |
Paul Walmsley | 97d6016 | 2010-07-26 16:34:30 -0600 | [diff] [blame] | 545 | int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh, void *data), |
| 546 | void *data); |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 547 | |
Paul Walmsley | a2debdb | 2011-02-23 00:14:07 -0700 | [diff] [blame] | 548 | int __init omap_hwmod_setup_one(const char *name); |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 549 | |
| 550 | int omap_hwmod_enable(struct omap_hwmod *oh); |
Kevin Hilman | 8482402 | 2010-07-26 16:34:29 -0600 | [diff] [blame] | 551 | int _omap_hwmod_enable(struct omap_hwmod *oh); |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 552 | int omap_hwmod_idle(struct omap_hwmod *oh); |
Kevin Hilman | 8482402 | 2010-07-26 16:34:29 -0600 | [diff] [blame] | 553 | int _omap_hwmod_idle(struct omap_hwmod *oh); |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 554 | int omap_hwmod_shutdown(struct omap_hwmod *oh); |
| 555 | |
Paul Walmsley | aee48e3 | 2010-09-21 10:34:11 -0600 | [diff] [blame] | 556 | int omap_hwmod_assert_hardreset(struct omap_hwmod *oh, const char *name); |
| 557 | int omap_hwmod_deassert_hardreset(struct omap_hwmod *oh, const char *name); |
| 558 | int omap_hwmod_read_hardreset(struct omap_hwmod *oh, const char *name); |
| 559 | |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 560 | int omap_hwmod_enable_clocks(struct omap_hwmod *oh); |
| 561 | int omap_hwmod_disable_clocks(struct omap_hwmod *oh); |
| 562 | |
Kevin Hilman | 46273e6 | 2010-01-26 20:13:03 -0700 | [diff] [blame] | 563 | int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode); |
Kishon Vijay Abraham I | 9599217 | 2011-03-10 03:50:08 -0700 | [diff] [blame] | 564 | int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle); |
Kevin Hilman | 46273e6 | 2010-01-26 20:13:03 -0700 | [diff] [blame] | 565 | |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 566 | int omap_hwmod_reset(struct omap_hwmod *oh); |
| 567 | void omap_hwmod_ocp_barrier(struct omap_hwmod *oh); |
| 568 | |
Rajendra Nayak | cc7a1d2 | 2010-10-08 10:23:22 -0700 | [diff] [blame] | 569 | void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs); |
| 570 | u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs); |
Avinash.H.M | 6d3c55f | 2011-07-10 05:27:16 -0600 | [diff] [blame] | 571 | int omap_hwmod_softreset(struct omap_hwmod *oh); |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 572 | |
| 573 | int omap_hwmod_count_resources(struct omap_hwmod *oh); |
| 574 | int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res); |
| 575 | |
| 576 | struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh); |
Paul Walmsley | db2a60b | 2010-07-26 16:34:33 -0600 | [diff] [blame] | 577 | void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh); |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 578 | |
| 579 | int omap_hwmod_add_initiator_dep(struct omap_hwmod *oh, |
| 580 | struct omap_hwmod *init_oh); |
| 581 | int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh, |
| 582 | struct omap_hwmod *init_oh); |
| 583 | |
| 584 | int omap_hwmod_set_clockact_both(struct omap_hwmod *oh); |
| 585 | int omap_hwmod_set_clockact_main(struct omap_hwmod *oh); |
| 586 | int omap_hwmod_set_clockact_iclk(struct omap_hwmod *oh); |
| 587 | int omap_hwmod_set_clockact_none(struct omap_hwmod *oh); |
| 588 | |
| 589 | int omap_hwmod_enable_wakeup(struct omap_hwmod *oh); |
| 590 | int omap_hwmod_disable_wakeup(struct omap_hwmod *oh); |
| 591 | |
Paul Walmsley | 43b4099 | 2010-02-22 22:09:34 -0700 | [diff] [blame] | 592 | int omap_hwmod_for_each_by_class(const char *classname, |
| 593 | int (*fn)(struct omap_hwmod *oh, |
| 594 | void *user), |
| 595 | void *user); |
| 596 | |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 597 | int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state); |
Kevin Hilman | c80705a | 2010-12-21 21:31:55 -0700 | [diff] [blame] | 598 | u32 omap_hwmod_get_context_loss_count(struct omap_hwmod *oh); |
Paul Walmsley | 2092e5c | 2010-12-14 12:42:35 -0700 | [diff] [blame] | 599 | |
Paul Walmsley | 43b0164 | 2011-03-10 03:50:07 -0700 | [diff] [blame] | 600 | int omap_hwmod_no_setup_reset(struct omap_hwmod *oh); |
| 601 | |
Paul Walmsley | 7359154 | 2010-02-22 22:09:32 -0700 | [diff] [blame] | 602 | /* |
| 603 | * Chip variant-specific hwmod init routines - XXX should be converted |
| 604 | * to use initcalls once the initial boot ordering is straightened out |
| 605 | */ |
| 606 | extern int omap2420_hwmod_init(void); |
| 607 | extern int omap2430_hwmod_init(void); |
| 608 | extern int omap3xxx_hwmod_init(void); |
Benoit Cousson | 55d2cb0 | 2010-05-12 17:54:36 +0200 | [diff] [blame] | 609 | extern int omap44xx_hwmod_init(void); |
Paul Walmsley | 7359154 | 2010-02-22 22:09:32 -0700 | [diff] [blame] | 610 | |
Paul Walmsley | 63c8523 | 2009-09-03 20:14:03 +0300 | [diff] [blame] | 611 | #endif |