| /* |
| * OMAP3/4 Voltage Controller (VC) 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_VC_H |
| #define __ARCH_ARM_MACH_OMAP2_VC_H |
| |
| #include <linux/kernel.h> |
| |
| struct voltagedomain; |
| |
| struct omap_vc_common { |
| u32 cmd_on_mask; |
| u32 valid; |
| u8 bypass_val_reg; |
| u8 data_shift; |
| u8 slaveaddr_shift; |
| u8 regaddr_shift; |
| u8 cmd_on_shift; |
| u8 cmd_onlp_shift; |
| u8 cmd_ret_shift; |
| u8 cmd_off_shift; |
| u8 i2c_cfg_reg; |
| u8 i2c_cfg_hsen_mask; |
| u8 i2c_mcode_mask; |
| }; |
| |
| #define OMAP_VC_CHANNEL_DEFAULT BIT(0) |
| #define OMAP_VC_CHANNEL_CFG_MUTANT BIT(1) |
| |
| struct omap_vc_channel { |
| |
| u16 i2c_slave_addr; |
| u16 volt_reg_addr; |
| u16 cmd_reg_addr; |
| u16 setup_time; |
| u8 cfg_channel; |
| bool i2c_high_speed; |
| |
| |
| const struct omap_vc_common *common; |
| u32 smps_sa_mask; |
| u32 smps_volra_mask; |
| u32 smps_cmdra_mask; |
| u8 cmdval_reg; |
| u8 smps_sa_reg; |
| u8 smps_volra_reg; |
| u8 smps_cmdra_reg; |
| u8 cfg_channel_reg; |
| u8 cfg_channel_sa_shift; |
| u8 flags; |
| }; |
| |
| extern struct omap_vc_channel omap3_vc_mpu; |
| extern struct omap_vc_channel omap3_vc_core; |
| |
| extern struct omap_vc_channel omap4_vc_mpu; |
| extern struct omap_vc_channel omap4_vc_iva; |
| extern struct omap_vc_channel omap4_vc_core; |
| |
| void omap_vc_init_channel(struct voltagedomain *voltdm); |
| int omap_vc_pre_scale(struct voltagedomain *voltdm, |
| unsigned long target_volt, |
| u8 *target_vsel, u8 *current_vsel); |
| void omap_vc_post_scale(struct voltagedomain *voltdm, |
| unsigned long target_volt, |
| u8 target_vsel, u8 current_vsel); |
| int omap_vc_bypass_scale(struct voltagedomain *voltdm, |
| unsigned long target_volt); |
| |
| #endif |
| |