~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/mach-omap2/vp.h

Version: ~ [ linux-5.3 ] ~ [ linux-5.2.15 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.73 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.144 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.193 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.193 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.73 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * OMAP3/4 Voltage Processor (VP) structure and macro definitions
  3  *
  4  * Copyright (C) 2007, 2010 Texas Instruments, Inc.
  5  * Rajendra Nayak <rnayak@ti.com>
  6  * Lesly A M <x0080970@ti.com>
  7  * Thara Gopinath <thara@ti.com>
  8  *
  9  * Copyright (C) 2008, 2011 Nokia Corporation
 10  * Kalle Jokiniemi
 11  * Paul Walmsley
 12  *
 13  * This program is free software; you can redistribute it and/or
 14  * modify it under the terms of the GNU General Public License version
 15  * 2 as published by the Free Software Foundation.
 16  */
 17 #ifndef __ARCH_ARM_MACH_OMAP2_VP_H
 18 #define __ARCH_ARM_MACH_OMAP2_VP_H
 19 
 20 #include <linux/kernel.h>
 21 
 22 struct voltagedomain;
 23 
 24 /* XXX document */
 25 #define VP_IDLE_TIMEOUT         200
 26 #define VP_TRANXDONE_TIMEOUT    300
 27 
 28 /**
 29  * struct omap_vp_ops - per-VP operations
 30  * @check_txdone: check for VP transaction done
 31  * @clear_txdone: clear VP transaction done status
 32  */
 33 struct omap_vp_ops {
 34         u32 (*check_txdone)(u8 vp_id);
 35         void (*clear_txdone)(u8 vp_id);
 36 };
 37 
 38 /**
 39  * struct omap_vp_common - register data common to all VDDs
 40  * @vpconfig_erroroffset_mask: ERROROFFSET bitmask in the PRM_VP*_CONFIG reg
 41  * @vpconfig_errorgain_mask: ERRORGAIN bitmask in the PRM_VP*_CONFIG reg
 42  * @vpconfig_initvoltage_mask: INITVOLTAGE bitmask in the PRM_VP*_CONFIG reg
 43  * @vpconfig_timeouten: TIMEOUT bitmask in the PRM_VP*_CONFIG reg
 44  * @vpconfig_initvdd: INITVDD bitmask in the PRM_VP*_CONFIG reg
 45  * @vpconfig_forceupdate: FORCEUPDATE bitmask in the PRM_VP*_CONFIG reg
 46  * @vpconfig_vpenable: VPENABLE bitmask in the PRM_VP*_CONFIG reg
 47  * @vpconfig_erroroffset_shift: ERROROFFSET field shift in PRM_VP*_CONFIG reg
 48  * @vpconfig_errorgain_shift: ERRORGAIN field shift in PRM_VP*_CONFIG reg
 49  * @vpconfig_initvoltage_shift: INITVOLTAGE field shift in PRM_VP*_CONFIG reg
 50  * @vstepmin_stepmin_shift: VSTEPMIN field shift in the PRM_VP*_VSTEPMIN reg
 51  * @vstepmin_smpswaittimemin_shift: SMPSWAITTIMEMIN field shift in PRM_VP*_VSTEPMIN reg
 52  * @vstepmax_stepmax_shift: VSTEPMAX field shift in the PRM_VP*_VSTEPMAX reg
 53  * @vstepmax_smpswaittimemax_shift: SMPSWAITTIMEMAX field shift in PRM_VP*_VSTEPMAX reg
 54  * @vlimitto_vddmin_shift: VDDMIN field shift in PRM_VP*_VLIMITTO reg
 55  * @vlimitto_vddmax_shift: VDDMAX field shift in PRM_VP*_VLIMITTO reg
 56  * @vlimitto_timeout_shift: TIMEOUT field shift in PRM_VP*_VLIMITTO reg
 57  * @vpvoltage_mask: VPVOLTAGE field mask in PRM_VP*_VOLTAGE reg
 58  */
 59 struct omap_vp_common {
 60         u32 vpconfig_erroroffset_mask;
 61         u32 vpconfig_errorgain_mask;
 62         u32 vpconfig_initvoltage_mask;
 63         u8 vpconfig_timeouten;
 64         u8 vpconfig_initvdd;
 65         u8 vpconfig_forceupdate;
 66         u8 vpconfig_vpenable;
 67         u8 vstepmin_stepmin_shift;
 68         u8 vstepmin_smpswaittimemin_shift;
 69         u8 vstepmax_stepmax_shift;
 70         u8 vstepmax_smpswaittimemax_shift;
 71         u8 vlimitto_vddmin_shift;
 72         u8 vlimitto_vddmax_shift;
 73         u8 vlimitto_timeout_shift;
 74         u8 vpvoltage_mask;
 75 
 76         const struct omap_vp_ops *ops;
 77 };
 78 
 79 /**
 80  * struct omap_vp_instance - VP register offsets (per-VDD)
 81  * @common: pointer to struct omap_vp_common * for this SoC
 82  * @vpconfig: PRM_VP*_CONFIG reg offset from PRM start
 83  * @vstepmin: PRM_VP*_VSTEPMIN reg offset from PRM start
 84  * @vlimitto: PRM_VP*_VLIMITTO reg offset from PRM start
 85  * @vstatus: PRM_VP*_VSTATUS reg offset from PRM start
 86  * @voltage: PRM_VP*_VOLTAGE reg offset from PRM start
 87  * @id: Unique identifier for VP instance.
 88  * @enabled: flag to keep track of whether vp is enabled or not
 89  *
 90  * XXX vp_common is probably not needed since it is per-SoC
 91  */
 92 struct omap_vp_instance {
 93         const struct omap_vp_common *common;
 94         u8 vpconfig;
 95         u8 vstepmin;
 96         u8 vstepmax;
 97         u8 vlimitto;
 98         u8 vstatus;
 99         u8 voltage;
100         u8 id;
101         bool enabled;
102 };
103 
104 extern struct omap_vp_instance omap3_vp_mpu;
105 extern struct omap_vp_instance omap3_vp_core;
106 
107 extern struct omap_vp_instance omap4_vp_mpu;
108 extern struct omap_vp_instance omap4_vp_iva;
109 extern struct omap_vp_instance omap4_vp_core;
110 
111 extern struct omap_vp_param omap3_mpu_vp_data;
112 extern struct omap_vp_param omap3_core_vp_data;
113 
114 extern struct omap_vp_param omap4_mpu_vp_data;
115 extern struct omap_vp_param omap4_iva_vp_data;
116 extern struct omap_vp_param omap4_core_vp_data;
117 
118 void omap_vp_init(struct voltagedomain *voltdm);
119 void omap_vp_enable(struct voltagedomain *voltdm);
120 void omap_vp_disable(struct voltagedomain *voltdm);
121 int omap_vp_forceupdate_scale(struct voltagedomain *voltdm,
122                               unsigned long target_volt);
123 int omap_vp_update_errorgain(struct voltagedomain *voltdm,
124                              unsigned long target_volt);
125 
126 #endif
127 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp