1 /* 2 * OMAP3/4 Voltage Controller (VC) 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_VC_H 18 #define __ARCH_ARM_MACH_OMAP2_VC_H 19 20 #include <linux/kernel.h> 21 22 /** 23 * struct omap_vc_common_data - per-VC register/bitfield data 24 * @cmd_on_mask: ON bitmask in PRM_VC_CMD_VAL* register 25 * @valid: VALID bitmask in PRM_VC_BYPASS_VAL register 26 * @smps_sa_reg: Offset of PRM_VC_SMPS_SA reg from PRM start 27 * @smps_volra_reg: Offset of PRM_VC_SMPS_VOL_RA reg from PRM start 28 * @bypass_val_reg: Offset of PRM_VC_BYPASS_VAL reg from PRM start 29 * @data_shift: DATA field shift in PRM_VC_BYPASS_VAL register 30 * @slaveaddr_shift: SLAVEADDR field shift in PRM_VC_BYPASS_VAL register 31 * @regaddr_shift: REGADDR field shift in PRM_VC_BYPASS_VAL register 32 * @cmd_on_shift: ON field shift in PRM_VC_CMD_VAL_* register 33 * @cmd_onlp_shift: ONLP field shift in PRM_VC_CMD_VAL_* register 34 * @cmd_ret_shift: RET field shift in PRM_VC_CMD_VAL_* register 35 * @cmd_off_shift: OFF field shift in PRM_VC_CMD_VAL_* register 36 * 37 * XXX One of cmd_on_mask and cmd_on_shift are not needed 38 * XXX VALID should probably be a shift, not a mask 39 */ 40 struct omap_vc_common_data { 41 u32 cmd_on_mask; 42 u32 valid; 43 u8 smps_sa_reg; 44 u8 smps_volra_reg; 45 u8 bypass_val_reg; 46 u8 data_shift; 47 u8 slaveaddr_shift; 48 u8 regaddr_shift; 49 u8 cmd_on_shift; 50 u8 cmd_onlp_shift; 51 u8 cmd_ret_shift; 52 u8 cmd_off_shift; 53 }; 54 55 /** 56 * struct omap_vc_instance_data - VC per-instance data 57 * @vc_common: pointer to VC common data for this platform 58 * @smps_sa_mask: SA* bitmask in the PRM_VC_SMPS_SA register 59 * @smps_volra_mask: VOLRA* bitmask in the PRM_VC_VOL_RA register 60 * @smps_sa_shift: SA* field shift in the PRM_VC_SMPS_SA register 61 * @smps_volra_shift: VOLRA* field shift in the PRM_VC_VOL_RA register 62 * 63 * XXX It is not necessary to have both a *_mask and a *_shift - 64 * remove one 65 */ 66 struct omap_vc_instance_data { 67 const struct omap_vc_common_data *vc_common; 68 u32 smps_sa_mask; 69 u32 smps_volra_mask; 70 u8 cmdval_reg; 71 u8 smps_sa_shift; 72 u8 smps_volra_shift; 73 }; 74 75 extern struct omap_vc_instance_data omap3_vc1_data; 76 extern struct omap_vc_instance_data omap3_vc2_data; 77 78 extern struct omap_vc_instance_data omap4_vc_mpu_data; 79 extern struct omap_vc_instance_data omap4_vc_iva_data; 80 extern struct omap_vc_instance_data omap4_vc_core_data; 81 82 #endif 83 84