| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | /*
 | 
					
						
							|  |  |  |  * OMAP3/4 Voltage Processor (VP) structure and macro definitions | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Copyright (C) 2007, 2010 Texas Instruments, Inc. | 
					
						
							|  |  |  |  * Rajendra Nayak <rnayak@ti.com> | 
					
						
							|  |  |  |  * Lesly A M <x0080970@ti.com> | 
					
						
							|  |  |  |  * Thara Gopinath <thara@ti.com> | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * Copyright (C) 2008, 2011 Nokia Corporation | 
					
						
							|  |  |  |  * Kalle Jokiniemi | 
					
						
							|  |  |  |  * Paul Walmsley | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * This program is free software; you can redistribute it and/or | 
					
						
							|  |  |  |  * modify it under the terms of the GNU General Public License version | 
					
						
							|  |  |  |  * 2 as published by the Free Software Foundation. | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #ifndef __ARCH_ARM_MACH_OMAP2_VP_H
 | 
					
						
							|  |  |  | #define __ARCH_ARM_MACH_OMAP2_VP_H
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | #include <linux/kernel.h>
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-03-21 14:29:13 -07:00
										 |  |  | struct voltagedomain; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-03-28 10:52:04 -07:00
										 |  |  | /*
 | 
					
						
							|  |  |  |  * Voltage Processor (VP) identifiers | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #define OMAP3_VP_VDD_MPU_ID 0
 | 
					
						
							|  |  |  | #define OMAP3_VP_VDD_CORE_ID 1
 | 
					
						
							|  |  |  | #define OMAP4_VP_VDD_CORE_ID 0
 | 
					
						
							|  |  |  | #define OMAP4_VP_VDD_IVA_ID 1
 | 
					
						
							|  |  |  | #define OMAP4_VP_VDD_MPU_ID 2
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | /* XXX document */ | 
					
						
							|  |  |  | #define VP_IDLE_TIMEOUT		200
 | 
					
						
							|  |  |  | #define VP_TRANXDONE_TIMEOUT	300
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-03-28 10:52:04 -07:00
										 |  |  | /**
 | 
					
						
							|  |  |  |  * struct omap_vp_ops - per-VP operations | 
					
						
							|  |  |  |  * @check_txdone: check for VP transaction done | 
					
						
							|  |  |  |  * @clear_txdone: clear VP transaction done status | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | struct omap_vp_ops { | 
					
						
							|  |  |  | 	u32 (*check_txdone)(u8 vp_id); | 
					
						
							|  |  |  | 	void (*clear_txdone)(u8 vp_id); | 
					
						
							|  |  |  | }; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | 
 | 
					
						
							|  |  |  | /**
 | 
					
						
							| 
									
										
										
										
											2011-04-04 15:25:07 -07:00
										 |  |  |  * struct omap_vp_common - register data common to all VDDs | 
					
						
							| 
									
										
										
										
											2011-04-04 16:02:28 -07:00
										 |  |  |  * @vpconfig_erroroffset_mask: ERROROFFSET bitmask in the PRM_VP*_CONFIG reg | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  |  * @vpconfig_errorgain_mask: ERRORGAIN bitmask in the PRM_VP*_CONFIG reg | 
					
						
							|  |  |  |  * @vpconfig_initvoltage_mask: INITVOLTAGE bitmask in the PRM_VP*_CONFIG reg | 
					
						
							| 
									
										
										
										
											2011-04-04 16:02:28 -07:00
										 |  |  |  * @vpconfig_timeouten: TIMEOUT bitmask in the PRM_VP*_CONFIG reg | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  |  * @vpconfig_initvdd: INITVDD bitmask in the PRM_VP*_CONFIG reg | 
					
						
							|  |  |  |  * @vpconfig_forceupdate: FORCEUPDATE bitmask in the PRM_VP*_CONFIG reg | 
					
						
							|  |  |  |  * @vpconfig_vpenable: VPENABLE bitmask in the PRM_VP*_CONFIG reg | 
					
						
							|  |  |  |  * @vpconfig_erroroffset_shift: ERROROFFSET field shift in PRM_VP*_CONFIG reg | 
					
						
							|  |  |  |  * @vpconfig_errorgain_shift: ERRORGAIN field shift in PRM_VP*_CONFIG reg | 
					
						
							|  |  |  |  * @vpconfig_initvoltage_shift: INITVOLTAGE field shift in PRM_VP*_CONFIG reg | 
					
						
							| 
									
										
										
										
											2011-04-04 16:02:28 -07:00
										 |  |  |  * @vstepmin_stepmin_shift: VSTEPMIN field shift in the PRM_VP*_VSTEPMIN reg | 
					
						
							|  |  |  |  * @vstepmin_smpswaittimemin_shift: SMPSWAITTIMEMIN field shift in PRM_VP*_VSTEPMIN reg | 
					
						
							|  |  |  |  * @vstepmax_stepmax_shift: VSTEPMAX field shift in the PRM_VP*_VSTEPMAX reg | 
					
						
							|  |  |  |  * @vstepmax_smpswaittimemax_shift: SMPSWAITTIMEMAX field shift in PRM_VP*_VSTEPMAX reg | 
					
						
							|  |  |  |  * @vlimitto_vddmin_shift: VDDMIN field shift in PRM_VP*_VLIMITTO reg | 
					
						
							|  |  |  |  * @vlimitto_vddmax_shift: VDDMAX field shift in PRM_VP*_VLIMITTO reg | 
					
						
							|  |  |  |  * @vlimitto_timeout_shift: TIMEOUT field shift in PRM_VP*_VLIMITTO reg | 
					
						
							| 
									
										
										
										
											2011-05-27 19:15:59 -07:00
										 |  |  |  * @vpvoltage_mask: VPVOLTAGE field mask in PRM_VP*_VOLTAGE reg | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  |  */ | 
					
						
							| 
									
										
										
										
											2011-04-04 15:25:07 -07:00
										 |  |  | struct omap_vp_common { | 
					
						
							| 
									
										
										
										
											2011-04-04 16:02:28 -07:00
										 |  |  | 	u32 vpconfig_erroroffset_mask; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | 	u32 vpconfig_errorgain_mask; | 
					
						
							|  |  |  | 	u32 vpconfig_initvoltage_mask; | 
					
						
							| 
									
										
										
										
											2011-04-04 16:02:28 -07:00
										 |  |  | 	u8 vpconfig_timeouten; | 
					
						
							|  |  |  | 	u8 vpconfig_initvdd; | 
					
						
							|  |  |  | 	u8 vpconfig_forceupdate; | 
					
						
							|  |  |  | 	u8 vpconfig_vpenable; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | 	u8 vstepmin_stepmin_shift; | 
					
						
							|  |  |  | 	u8 vstepmin_smpswaittimemin_shift; | 
					
						
							|  |  |  | 	u8 vstepmax_stepmax_shift; | 
					
						
							|  |  |  | 	u8 vstepmax_smpswaittimemax_shift; | 
					
						
							|  |  |  | 	u8 vlimitto_vddmin_shift; | 
					
						
							|  |  |  | 	u8 vlimitto_vddmax_shift; | 
					
						
							|  |  |  | 	u8 vlimitto_timeout_shift; | 
					
						
							| 
									
										
										
										
											2011-05-27 19:15:59 -07:00
										 |  |  | 	u8 vpvoltage_mask; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-03-28 10:52:04 -07:00
										 |  |  | 	const struct omap_vp_ops *ops; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | /**
 | 
					
						
							| 
									
										
										
										
											2011-04-04 15:25:07 -07:00
										 |  |  |  * struct omap_vp_instance - VP register offsets (per-VDD) | 
					
						
							|  |  |  |  * @common: pointer to struct omap_vp_common * for this SoC | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  |  * @vpconfig: PRM_VP*_CONFIG reg offset from PRM start | 
					
						
							|  |  |  |  * @vstepmin: PRM_VP*_VSTEPMIN reg offset from PRM start | 
					
						
							|  |  |  |  * @vlimitto: PRM_VP*_VLIMITTO reg offset from PRM start | 
					
						
							|  |  |  |  * @vstatus: PRM_VP*_VSTATUS reg offset from PRM start | 
					
						
							|  |  |  |  * @voltage: PRM_VP*_VOLTAGE reg offset from PRM start | 
					
						
							| 
									
										
										
										
											2011-03-28 10:52:04 -07:00
										 |  |  |  * @id: Unique identifier for VP instance. | 
					
						
							| 
									
										
										
										
											2011-04-04 15:25:07 -07:00
										 |  |  |  * @enabled: flag to keep track of whether vp is enabled or not | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  |  * | 
					
						
							|  |  |  |  * XXX vp_common is probably not needed since it is per-SoC | 
					
						
							|  |  |  |  */ | 
					
						
							| 
									
										
										
										
											2011-04-04 15:25:07 -07:00
										 |  |  | struct omap_vp_instance { | 
					
						
							|  |  |  | 	const struct omap_vp_common *common; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | 	u8 vpconfig; | 
					
						
							|  |  |  | 	u8 vstepmin; | 
					
						
							|  |  |  | 	u8 vstepmax; | 
					
						
							|  |  |  | 	u8 vlimitto; | 
					
						
							|  |  |  | 	u8 vstatus; | 
					
						
							|  |  |  | 	u8 voltage; | 
					
						
							| 
									
										
										
										
											2011-03-28 10:52:04 -07:00
										 |  |  | 	u8 id; | 
					
						
							| 
									
										
										
										
											2011-04-04 15:25:07 -07:00
										 |  |  | 	bool enabled; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-04-04 15:25:07 -07:00
										 |  |  | extern struct omap_vp_instance omap3_vp_mpu; | 
					
						
							|  |  |  | extern struct omap_vp_instance omap3_vp_core; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-04-04 15:25:07 -07:00
										 |  |  | extern struct omap_vp_instance omap4_vp_mpu; | 
					
						
							|  |  |  | extern struct omap_vp_instance omap4_vp_iva; | 
					
						
							|  |  |  | extern struct omap_vp_instance omap4_vp_core; | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2012-09-25 19:33:35 +03:00
										 |  |  | extern struct omap_vp_param omap3_mpu_vp_data; | 
					
						
							|  |  |  | extern struct omap_vp_param omap3_core_vp_data; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | extern struct omap_vp_param omap4_mpu_vp_data; | 
					
						
							|  |  |  | extern struct omap_vp_param omap4_iva_vp_data; | 
					
						
							|  |  |  | extern struct omap_vp_param omap4_core_vp_data; | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-03-21 14:29:13 -07:00
										 |  |  | void omap_vp_init(struct voltagedomain *voltdm); | 
					
						
							|  |  |  | void omap_vp_enable(struct voltagedomain *voltdm); | 
					
						
							|  |  |  | void omap_vp_disable(struct voltagedomain *voltdm); | 
					
						
							|  |  |  | int omap_vp_forceupdate_scale(struct voltagedomain *voltdm, | 
					
						
							|  |  |  | 			      unsigned long target_volt); | 
					
						
							| 
									
										
										
										
											2011-04-05 15:15:31 -07:00
										 |  |  | int omap_vp_update_errorgain(struct voltagedomain *voltdm, | 
					
						
							|  |  |  | 			     unsigned long target_volt); | 
					
						
							| 
									
										
										
										
											2011-03-21 14:29:13 -07:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-03-10 22:17:45 -07:00
										 |  |  | #endif
 |