projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c0718df4 PW |
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 | ||
| ccd5ca77 KH |
22 | struct voltagedomain; |
| 23 | ||
| c0718df4 | 24 | /** |
| d84adcf4 | 25 | * struct omap_vc_common - per-VC register/bitfield data |
| c0718df4 PW |
26 | * @cmd_on_mask: ON bitmask in PRM_VC_CMD_VAL* register |
| 27 | * @valid: VALID bitmask in PRM_VC_BYPASS_VAL register | |
| 28 | * @smps_sa_reg: Offset of PRM_VC_SMPS_SA reg from PRM start | |
| 29 | * @smps_volra_reg: Offset of PRM_VC_SMPS_VOL_RA reg from PRM start | |
| e4e021c5 | 30 | * @smps_cmdra_reg: Offset of PRM_VC_SMPS_CMD_RA reg from PRM start |
| c0718df4 PW |
31 | * @bypass_val_reg: Offset of PRM_VC_BYPASS_VAL reg from PRM start |
| 32 | * @data_shift: DATA field shift in PRM_VC_BYPASS_VAL register | |
| 33 | * @slaveaddr_shift: SLAVEADDR field shift in PRM_VC_BYPASS_VAL register | |
| 34 | * @regaddr_shift: REGADDR field shift in PRM_VC_BYPASS_VAL register | |
| 35 | * @cmd_on_shift: ON field shift in PRM_VC_CMD_VAL_* register | |
| 36 | * @cmd_onlp_shift: ONLP field shift in PRM_VC_CMD_VAL_* register | |
| 37 | * @cmd_ret_shift: RET field shift in PRM_VC_CMD_VAL_* register | |
| 38 | * @cmd_off_shift: OFF field shift in PRM_VC_CMD_VAL_* register | |
| 39 | * | |
| 40 | * XXX One of cmd_on_mask and cmd_on_shift are not needed | |
| 41 | * XXX VALID should probably be a shift, not a mask | |
| 42 | */ | |
| d84adcf4 | 43 | struct omap_vc_common { |
| c0718df4 PW |
44 | u32 cmd_on_mask; |
| 45 | u32 valid; | |
| 46 | u8 smps_sa_reg; | |
| 47 | u8 smps_volra_reg; | |
| e4e021c5 | 48 | u8 smps_cmdra_reg; |
| c0718df4 PW |
49 | u8 bypass_val_reg; |
| 50 | u8 data_shift; | |
| 51 | u8 slaveaddr_shift; | |
| 52 | u8 regaddr_shift; | |
| 53 | u8 cmd_on_shift; | |
| 54 | u8 cmd_onlp_shift; | |
| 55 | u8 cmd_ret_shift; | |
| 56 | u8 cmd_off_shift; | |
| 57 | }; | |
| 58 | ||
| 59 | /** | |
| d84adcf4 | 60 | * struct omap_vc_channel - VC per-instance data |
| ba112a4e | 61 | * @i2c_slave_addr: I2C slave address of PMIC for this VC channel |
| e4e021c5 KH |
62 | * @volt_reg_addr: voltage configuration register address |
| 63 | * @cmd_reg_addr: command configuration register address | |
| d84adcf4 | 64 | * @common: pointer to VC common data for this platform |
| ba112a4e | 65 | * @smps_sa_mask: i2c slave address bitmask in the PRM_VC_SMPS_SA register |
| c0718df4 | 66 | * @smps_volra_mask: VOLRA* bitmask in the PRM_VC_VOL_RA register |
| e4e021c5 KH |
67 | * @smps_cmdra_mask: CMDRA* bitmask in the PRM_VC_CMD_RA register |
| 68 | * @cmdval_reg: register for on/ret/off voltage level values for this channel | |
| c0718df4 | 69 | */ |
| d84adcf4 | 70 | struct omap_vc_channel { |
| ba112a4e KH |
71 | /* channel state */ |
| 72 | u16 i2c_slave_addr; | |
| e4e021c5 KH |
73 | u16 volt_reg_addr; |
| 74 | u16 cmd_reg_addr; | |
| ba112a4e KH |
75 | |
| 76 | /* register access data */ | |
| d84adcf4 | 77 | const struct omap_vc_common *common; |
| c0718df4 PW |
78 | u32 smps_sa_mask; |
| 79 | u32 smps_volra_mask; | |
| e4e021c5 | 80 | u32 smps_cmdra_mask; |
| c0718df4 | 81 | u8 cmdval_reg; |
| c0718df4 PW |
82 | }; |
| 83 | ||
| d84adcf4 KH |
84 | extern struct omap_vc_channel omap3_vc_mpu; |
| 85 | extern struct omap_vc_channel omap3_vc_core; | |
| c0718df4 | 86 | |
| d84adcf4 KH |
87 | extern struct omap_vc_channel omap4_vc_mpu; |
| 88 | extern struct omap_vc_channel omap4_vc_iva; | |
| 89 | extern struct omap_vc_channel omap4_vc_core; | |
| c0718df4 | 90 | |
| ccd5ca77 KH |
91 | void omap_vc_init_channel(struct voltagedomain *voltdm); |
| 92 | int omap_vc_pre_scale(struct voltagedomain *voltdm, | |
| 93 | unsigned long target_volt, | |
| 94 | u8 *target_vsel, u8 *current_vsel); | |
| 95 | void omap_vc_post_scale(struct voltagedomain *voltdm, | |
| 96 | unsigned long target_volt, | |
| 97 | u8 target_vsel, u8 current_vsel); | |
| d84adcf4 KH |
98 | int omap_vc_bypass_scale(struct voltagedomain *voltdm, |
| 99 | unsigned long target_volt); | |
| ccd5ca77 | 100 | |
| c0718df4 PW |
101 | #endif |
| 102 |