2 * omap_hwmod macros, structures
4 * Copyright (C) 2009-2010 Nokia Corporation
7 * Created in collaboration with (alphabetical order): BenoƮt Cousson,
8 * Kevin Hilman, Tony Lindgren, Rajendra Nayak, Vikram Pandita, Sakari
9 * Poussa, Anand Sawant, Santosh Shilimkar, Richard Woodruff
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.
15 * These headers and macros are used to define OMAP on-chip module
16 * data and their integration with other OMAP modules and Linux.
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
22 * - add interconnect error log structures
24 * - init_conn_id_bit (CONNID_BIT_VECTOR)
25 * - implement default hwmod SMS/SDRC flags?
26 * - move Linux-specific data ("non-ROM data") out
29 #ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H
30 #define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_HWMOD_H
32 #include <linux/kernel.h>
33 #include <linux/list.h>
34 #include <linux/ioport.h>
35 #include <linux/spinlock.h>
37 #include <plat/voltage.h>
41 extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type1;
42 extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
45 * OCP SYSCONFIG bit shifts/masks TYPE1. These are for IPs compliant
46 * with the original PRCM protocol defined for OMAP2420
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)
62 * OCP SYSCONFIG bit shifts/masks TYPE2. These are for IPs compliant
63 * with the new PRCM protocol defined for new OMAP4 IPs.
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)
72 /* OCP SYSSTATUS bit shifts/masks */
73 #define SYSS_RESETDONE_SHIFT 0
74 #define SYSS_RESETDONE_MASK (1 << SYSS_RESETDONE_SHIFT)
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)
80 /* Slave idle mode flag only */
81 #define HWMOD_IDLEMODE_SMART_WKUP (1 << 3)
84 * struct omap_hwmod_mux_info - hwmod specific mux configuration
85 * @pads: array of omap_device_pad entries
86 * @nr_pads: number of omap_device_pad entries
88 * Note that this is currently built during init as needed.
90 struct omap_hwmod_mux_info {
92 struct omap_device_pad *pads;
96 * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod
97 * @name: name of the IRQ channel (module local name)
98 * @irq_ch: IRQ channel ID
100 * @name should be something short, e.g., "tx" or "rx". It is for use
101 * by platform_get_resource_byname(). It is defined locally to the
104 struct omap_hwmod_irq_info {
110 * struct omap_hwmod_dma_info - DMA channels used by the hwmod
111 * @name: name of the DMA channel (module local name)
112 * @dma_req: DMA request ID
114 * @name should be something short, e.g., "tx" or "rx". It is for use
115 * by platform_get_resource_byname(). It is defined locally to the
118 struct omap_hwmod_dma_info {
124 * struct omap_hwmod_rst_info - IPs reset lines use by hwmod
125 * @name: name of the reset line (module local name)
126 * @rst_shift: Offset of the reset bit
128 * @name should be something short, e.g., "cpu0" or "rst". It is defined
129 * locally to the hwmod.
131 struct omap_hwmod_rst_info {
137 * struct omap_hwmod_opt_clk - optional clocks used by this hwmod
138 * @role: "sys", "32k", "tv", etc -- for use in clk_get()
139 * @clk: opt clock: OMAP clock name
140 * @_clk: pointer to the struct clk (filled in at runtime)
142 * The module's interface clock and main functional clock should not
143 * be added as optional clocks.
145 struct omap_hwmod_opt_clk {
152 /* omap_hwmod_omap2_firewall.flags bits */
153 #define OMAP_FIREWALL_L3 (1 << 0)
154 #define OMAP_FIREWALL_L4 (1 << 1)
157 * struct omap_hwmod_omap2_firewall - OMAP2/3 device firewall data
158 * @l3_perm_bit: bit shift for L3_PM_*_PERMISSION_*
159 * @l4_fw_region: L4 firewall region ID
160 * @l4_prot_group: L4 protection group ID
161 * @flags: (see omap_hwmod_omap2_firewall.flags macros above)
163 struct omap_hwmod_omap2_firewall {
172 * omap_hwmod_addr_space.flags bits
174 * ADDR_MAP_ON_INIT: Map this address space during omap_hwmod init.
175 * ADDR_TYPE_RT: Address space contains module register target data.
177 #define ADDR_MAP_ON_INIT (1 << 0) /* XXX does not belong */
178 #define ADDR_TYPE_RT (1 << 1)
181 * struct omap_hwmod_addr_space - address space handled by the hwmod
182 * @name: name of the address space
183 * @pa_start: starting physical address
184 * @pa_end: ending physical address
185 * @flags: (see omap_hwmod_addr_space.flags macros above)
187 * Address space doesn't necessarily follow physical interconnect
188 * structure. GPMC is one example.
190 struct omap_hwmod_addr_space {
199 * omap_hwmod_ocp_if.user bits: these indicate the initiators that use this
200 * interface to interact with the hwmod. Used to add sleep dependencies
201 * when the module is enabled or disabled.
203 #define OCP_USER_MPU (1 << 0)
204 #define OCP_USER_SDMA (1 << 1)
206 /* omap_hwmod_ocp_if.flags bits */
207 #define OCPIF_SWSUP_IDLE (1 << 0)
208 #define OCPIF_CAN_BURST (1 << 1)
211 * struct omap_hwmod_ocp_if - OCP interface data
212 * @master: struct omap_hwmod that initiates OCP transactions on this link
213 * @slave: struct omap_hwmod that responds to OCP transactions on this link
214 * @addr: address space associated with this link
215 * @clk: interface clock: OMAP clock name
216 * @_clk: pointer to the interface struct clk (filled in at runtime)
217 * @fw: interface firewall data
218 * @addr_cnt: ARRAY_SIZE(@addr)
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)
223 * It may also be useful to add a tag_cnt field for OCP2.x devices.
225 * Parameter names beginning with an underscore are managed internally by
226 * the omap_hwmod code and should not be set during initialization.
228 struct omap_hwmod_ocp_if {
229 struct omap_hwmod *master;
230 struct omap_hwmod *slave;
231 struct omap_hwmod_addr_space *addr;
235 struct omap_hwmod_omap2_firewall omap2;
244 /* Macros for use in struct omap_hwmod_sysconfig */
246 /* Flags for use in omap_hwmod_sysconfig.idlemodes */
247 #define MASTER_STANDBY_SHIFT 4
248 #define SLAVE_IDLE_SHIFT 0
249 #define SIDLE_FORCE (HWMOD_IDLEMODE_FORCE << SLAVE_IDLE_SHIFT)
250 #define SIDLE_NO (HWMOD_IDLEMODE_NO << SLAVE_IDLE_SHIFT)
251 #define SIDLE_SMART (HWMOD_IDLEMODE_SMART << SLAVE_IDLE_SHIFT)
252 #define SIDLE_SMART_WKUP (HWMOD_IDLEMODE_SMART_WKUP << SLAVE_IDLE_SHIFT)
253 #define MSTANDBY_FORCE (HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT)
254 #define MSTANDBY_NO (HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT)
255 #define MSTANDBY_SMART (HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT)
257 /* omap_hwmod_sysconfig.sysc_flags capability flags */
258 #define SYSC_HAS_AUTOIDLE (1 << 0)
259 #define SYSC_HAS_SOFTRESET (1 << 1)
260 #define SYSC_HAS_ENAWAKEUP (1 << 2)
261 #define SYSC_HAS_EMUFREE (1 << 3)
262 #define SYSC_HAS_CLOCKACTIVITY (1 << 4)
263 #define SYSC_HAS_SIDLEMODE (1 << 5)
264 #define SYSC_HAS_MIDLEMODE (1 << 6)
265 #define SYSS_HAS_RESET_STATUS (1 << 7)
266 #define SYSC_NO_CACHE (1 << 8) /* XXX SW flag, belongs elsewhere */
267 #define SYSC_HAS_RESET_STATUS (1 << 9)
269 /* omap_hwmod_sysconfig.clockact flags */
270 #define CLOCKACT_TEST_BOTH 0x0
271 #define CLOCKACT_TEST_MAIN 0x1
272 #define CLOCKACT_TEST_ICLK 0x2
273 #define CLOCKACT_TEST_NONE 0x3
276 * struct omap_hwmod_sysc_fields - hwmod OCP_SYSCONFIG register field offsets.
277 * @midle_shift: Offset of the midle bit
278 * @clkact_shift: Offset of the clockactivity bit
279 * @sidle_shift: Offset of the sidle bit
280 * @enwkup_shift: Offset of the enawakeup bit
281 * @srst_shift: Offset of the softreset bit
282 * @autoidle_shift: Offset of the autoidle bit
284 struct omap_hwmod_sysc_fields {
294 * struct omap_hwmod_class_sysconfig - hwmod class OCP_SYS* data
295 * @rev_offs: IP block revision register offset (from module base addr)
296 * @sysc_offs: OCP_SYSCONFIG register offset (from module base addr)
297 * @syss_offs: OCP_SYSSTATUS register offset (from module base addr)
298 * @idlemodes: One or more of {SIDLE,MSTANDBY}_{OFF,FORCE,SMART}
299 * @sysc_flags: SYS{C,S}_HAS* flags indicating SYSCONFIG bits supported
300 * @clockact: the default value of the module CLOCKACTIVITY bits
302 * @clockact describes to the module which clocks are likely to be
303 * disabled when the PRCM issues its idle request to the module. Some
304 * modules have separate clockdomains for the interface clock and main
305 * functional clock, and can check whether they should acknowledge the
306 * idle request based on the internal module functionality that has
307 * been associated with the clocks marked in @clockact. This field is
308 * only used if HWMOD_SET_DEFAULT_CLOCKACT is set (see below)
310 * @sysc_fields: structure containing the offset positions of various bits in
311 * SYSCONFIG register. This can be populated using omap_hwmod_sysc_type1 or
312 * omap_hwmod_sysc_type2 defined in omap_hwmod_common_data.c depending on
313 * whether the device ip is compliant with the original PRCM protocol
314 * defined for OMAP2420 or the new PRCM protocol for new OMAP4 IPs.
315 * If the device follows a different scheme for the sysconfig register ,
316 * then this field has to be populated with the correct offset structure.
318 struct omap_hwmod_class_sysconfig {
325 struct omap_hwmod_sysc_fields *sysc_fields;
329 * struct omap_hwmod_omap2_prcm - OMAP2/3-specific PRCM data
330 * @module_offs: PRCM submodule offset from the start of the PRM/CM
331 * @prcm_reg_id: PRCM register ID (e.g., 3 for CM_AUTOIDLE3)
332 * @module_bit: register bit shift for AUTOIDLE, WKST, WKEN, GRPSEL regs
333 * @idlest_reg_id: IDLEST register ID (e.g., 3 for CM_IDLEST3)
334 * @idlest_idle_bit: register bit shift for CM_IDLEST slave idle bit
335 * @idlest_stdby_bit: register bit shift for CM_IDLEST master standby bit
337 * @prcm_reg_id and @module_bit are specific to the AUTOIDLE, WKST,
338 * WKEN, GRPSEL registers. In an ideal world, no extra information
339 * would be needed for IDLEST information, but alas, there are some
340 * exceptions, so @idlest_reg_id, @idlest_idle_bit, @idlest_stdby_bit
341 * are needed for the IDLEST registers (c.f. 2430 I2CHS, 3430 USBHOST)
343 struct omap_hwmod_omap2_prcm {
354 * struct omap_hwmod_omap4_prcm - OMAP4-specific PRCM data
355 * @clkctrl_reg: PRCM address of the clock control register
356 * @rstctrl_reg: address of the XXX_RSTCTRL register located in the PRM
357 * @submodule_wkdep_bit: bit shift of the WKDEP range
359 struct omap_hwmod_omap4_prcm {
360 void __iomem *clkctrl_reg;
361 void __iomem *rstctrl_reg;
362 u8 submodule_wkdep_bit;
367 * omap_hwmod.flags definitions
369 * HWMOD_SWSUP_SIDLE: omap_hwmod code should manually bring module in and out
370 * of idle, rather than relying on module smart-idle
371 * HWMOD_SWSUP_MSTDBY: omap_hwmod code should manually bring module in and out
372 * of standby, rather than relying on module smart-standby
373 * HWMOD_INIT_NO_RESET: don't reset this module at boot - important for
374 * SDRAM controller, etc. XXX probably belongs outside the main hwmod file
375 * HWMOD_INIT_NO_IDLE: don't idle this module at boot - important for SDRAM
376 * controller, etc. XXX probably belongs outside the main hwmod file
377 * HWMOD_NO_AUTOIDLE: disable module autoidle (OCP_SYSCONFIG.AUTOIDLE)
378 * when module is enabled, rather than the default, which is to
380 * HWMOD_SET_DEFAULT_CLOCKACT: program CLOCKACTIVITY bits at startup
381 * HWMOD_NO_IDLEST: this module does not have idle status - this is the case
382 * only for few initiator modules on OMAP2 & 3.
383 * HWMOD_CONTROL_OPT_CLKS_IN_RESET: Enable all optional clocks during reset.
384 * This is needed for devices like DSS that require optional clocks enabled
385 * in order to complete the reset. Optional clocks will be disabled
386 * again after the reset.
387 * HWMOD_16BIT_REG: Module has 16bit registers
389 #define HWMOD_SWSUP_SIDLE (1 << 0)
390 #define HWMOD_SWSUP_MSTANDBY (1 << 1)
391 #define HWMOD_INIT_NO_RESET (1 << 2)
392 #define HWMOD_INIT_NO_IDLE (1 << 3)
393 #define HWMOD_NO_OCP_AUTOIDLE (1 << 4)
394 #define HWMOD_SET_DEFAULT_CLOCKACT (1 << 5)
395 #define HWMOD_NO_IDLEST (1 << 6)
396 #define HWMOD_CONTROL_OPT_CLKS_IN_RESET (1 << 7)
397 #define HWMOD_16BIT_REG (1 << 8)
400 * omap_hwmod._int_flags definitions
401 * These are for internal use only and are managed by the omap_hwmod code.
403 * _HWMOD_NO_MPU_PORT: no path exists for the MPU to write to this module
404 * _HWMOD_WAKEUP_ENABLED: set when the omap_hwmod code has enabled ENAWAKEUP
405 * _HWMOD_SYSCONFIG_LOADED: set when the OCP_SYSCONFIG value has been cached
407 #define _HWMOD_NO_MPU_PORT (1 << 0)
408 #define _HWMOD_WAKEUP_ENABLED (1 << 1)
409 #define _HWMOD_SYSCONFIG_LOADED (1 << 2)
412 * omap_hwmod._state definitions
414 * INITIALIZED: reset (optionally), initialized, enabled, disabled
419 #define _HWMOD_STATE_UNKNOWN 0
420 #define _HWMOD_STATE_REGISTERED 1
421 #define _HWMOD_STATE_CLKS_INITED 2
422 #define _HWMOD_STATE_INITIALIZED 3
423 #define _HWMOD_STATE_ENABLED 4
424 #define _HWMOD_STATE_IDLE 5
425 #define _HWMOD_STATE_DISABLED 6
428 * struct omap_hwmod_class - the type of an IP block
429 * @name: name of the hwmod_class
430 * @sysc: device SYSCONFIG/SYSSTATUS register data
431 * @rev: revision of the IP class
432 * @pre_shutdown: ptr to fn to be executed immediately prior to device shutdown
433 * @reset: ptr to fn to be executed in place of the standard hwmod reset fn
435 * Represent the class of a OMAP hardware "modules" (e.g. timer,
436 * smartreflex, gpio, uart...)
438 * @pre_shutdown is a function that will be run immediately before
439 * hwmod clocks are disabled, etc. It is intended for use for hwmods
440 * like the MPU watchdog, which cannot be disabled with the standard
441 * omap_hwmod_shutdown(). The function should return 0 upon success,
442 * or some negative error upon failure. Returning an error will cause
443 * omap_hwmod_shutdown() to abort the device shutdown and return an
446 * If @reset is defined, then the function it points to will be
447 * executed in place of the standard hwmod _reset() code in
448 * mach-omap2/omap_hwmod.c. This is needed for IP blocks which have
449 * unusual reset sequences - usually processor IP blocks like the IVA.
451 struct omap_hwmod_class {
453 struct omap_hwmod_class_sysconfig *sysc;
455 int (*pre_shutdown)(struct omap_hwmod *oh);
456 int (*reset)(struct omap_hwmod *oh);
460 * struct omap_hwmod - integration data for OMAP hardware "modules" (IP blocks)
461 * @name: name of the hwmod
462 * @class: struct omap_hwmod_class * to the class of this hwmod
463 * @od: struct omap_device currently associated with this hwmod (internal use)
464 * @mpu_irqs: ptr to an array of MPU IRQs (see also mpu_irqs_cnt)
465 * @sdma_reqs: ptr to an array of System DMA request IDs (see sdma_reqs_cnt)
466 * @prcm: PRCM data pertaining to this hwmod
467 * @main_clk: main clock: OMAP clock name
468 * @_clk: pointer to the main struct clk (filled in at runtime)
469 * @opt_clks: other device clocks that drivers can request (0..*)
470 * @vdd_name: voltage domain name
471 * @voltdm: pointer to voltage domain (filled in at runtime)
472 * @masters: ptr to array of OCP ifs that this hwmod can initiate on
473 * @slaves: ptr to array of OCP ifs that this hwmod can respond on
474 * @dev_attr: arbitrary device attributes that can be passed to the driver
475 * @_sysc_cache: internal-use hwmod flags
476 * @_mpu_rt_va: cached register target start address (internal use)
477 * @_mpu_port_index: cached MPU register target slave ID (internal use)
478 * @mpu_irqs_cnt: number of @mpu_irqs
479 * @sdma_reqs_cnt: number of @sdma_reqs
480 * @opt_clks_cnt: number of @opt_clks
481 * @master_cnt: number of @master entries
482 * @slaves_cnt: number of @slave entries
483 * @response_lat: device OCP response latency (in interface clock cycles)
484 * @_int_flags: internal-use hwmod flags
485 * @_state: internal-use hwmod state
486 * @_postsetup_state: internal-use state to leave the hwmod in after _setup()
487 * @flags: hwmod flags (documented below)
488 * @omap_chip: OMAP chips this hwmod is present on
489 * @_lock: spinlock serializing operations on this hwmod
490 * @node: list node for hwmod list (internal use)
492 * @main_clk refers to this module's "main clock," which for our
493 * purposes is defined as "the functional clock needed for register
494 * accesses to complete." Modules may not have a main clock if the
495 * interface clock also serves as a main clock.
497 * Parameter names beginning with an underscore are managed internally by
498 * the omap_hwmod code and should not be set during initialization.
502 struct omap_hwmod_class *class;
503 struct omap_device *od;
504 struct omap_hwmod_mux_info *mux;
505 struct omap_hwmod_irq_info *mpu_irqs;
506 struct omap_hwmod_dma_info *sdma_reqs;
507 struct omap_hwmod_rst_info *rst_lines;
509 struct omap_hwmod_omap2_prcm omap2;
510 struct omap_hwmod_omap4_prcm omap4;
512 const char *main_clk;
514 struct omap_hwmod_opt_clk *opt_clks;
516 struct voltagedomain *voltdm;
517 struct omap_hwmod_ocp_if **masters; /* connect to *_IA */
518 struct omap_hwmod_ocp_if **slaves; /* connect to *_TA */
521 void __iomem *_mpu_rt_va;
523 struct list_head node;
537 const struct omap_chip_id omap_chip;
540 int omap_hwmod_init(struct omap_hwmod **ohs);
541 struct omap_hwmod *omap_hwmod_lookup(const char *name);
542 int omap_hwmod_for_each(int (*fn)(struct omap_hwmod *oh, void *data),
545 int omap_hwmod_enable(struct omap_hwmod *oh);
546 int _omap_hwmod_enable(struct omap_hwmod *oh);
547 int omap_hwmod_idle(struct omap_hwmod *oh);
548 int _omap_hwmod_idle(struct omap_hwmod *oh);
549 int omap_hwmod_shutdown(struct omap_hwmod *oh);
551 int omap_hwmod_assert_hardreset(struct omap_hwmod *oh, const char *name);
552 int omap_hwmod_deassert_hardreset(struct omap_hwmod *oh, const char *name);
553 int omap_hwmod_read_hardreset(struct omap_hwmod *oh, const char *name);
555 int omap_hwmod_enable_clocks(struct omap_hwmod *oh);
556 int omap_hwmod_disable_clocks(struct omap_hwmod *oh);
558 int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode);
560 int omap_hwmod_reset(struct omap_hwmod *oh);
561 void omap_hwmod_ocp_barrier(struct omap_hwmod *oh);
563 void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs);
564 u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs);
566 int omap_hwmod_count_resources(struct omap_hwmod *oh);
567 int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res);
569 struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh);
570 void __iomem *omap_hwmod_get_mpu_rt_va(struct omap_hwmod *oh);
572 int omap_hwmod_add_initiator_dep(struct omap_hwmod *oh,
573 struct omap_hwmod *init_oh);
574 int omap_hwmod_del_initiator_dep(struct omap_hwmod *oh,
575 struct omap_hwmod *init_oh);
577 int omap_hwmod_set_clockact_both(struct omap_hwmod *oh);
578 int omap_hwmod_set_clockact_main(struct omap_hwmod *oh);
579 int omap_hwmod_set_clockact_iclk(struct omap_hwmod *oh);
580 int omap_hwmod_set_clockact_none(struct omap_hwmod *oh);
582 int omap_hwmod_enable_wakeup(struct omap_hwmod *oh);
583 int omap_hwmod_disable_wakeup(struct omap_hwmod *oh);
585 int omap_hwmod_for_each_by_class(const char *classname,
586 int (*fn)(struct omap_hwmod *oh,
590 int omap_hwmod_set_postsetup_state(struct omap_hwmod *oh, u8 state);
591 u32 omap_hwmod_get_context_loss_count(struct omap_hwmod *oh);
594 * Chip variant-specific hwmod init routines - XXX should be converted
595 * to use initcalls once the initial boot ordering is straightened out
597 extern int omap2420_hwmod_init(void);
598 extern int omap2430_hwmod_init(void);
599 extern int omap3xxx_hwmod_init(void);
600 extern int omap44xx_hwmod_init(void);