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Paul Walmsleyc0718df2011-03-10 22:17:45 -07001/*
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 */
40struct 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 */
66struct 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
75extern struct omap_vc_instance_data omap3_vc1_data;
76extern struct omap_vc_instance_data omap3_vc2_data;
77
78extern struct omap_vc_instance_data omap4_vc_mpu_data;
79extern struct omap_vc_instance_data omap4_vc_iva_data;
80extern struct omap_vc_instance_data omap4_vc_core_data;
81
82#endif
83