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Diffstat (limited to 'arch/arm/mach-msm/vreg.c')
| -rw-r--r-- | arch/arm/mach-msm/vreg.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/arch/arm/mach-msm/vreg.c b/arch/arm/mach-msm/vreg.c deleted file mode 100644 index bd66ed04d6dc..000000000000 --- a/arch/arm/mach-msm/vreg.c +++ /dev/null @@ -1,220 +0,0 @@ -/* arch/arm/mach-msm/vreg.c - * - * Copyright (C) 2008 Google, Inc. - * Copyright (c) 2009, Code Aurora Forum. All rights reserved. - * Author: Brian Swetland <swetland@google.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/debugfs.h> -#include <linux/module.h> -#include <linux/string.h> -#include <mach/vreg.h> - -#include "proc_comm.h" - -struct vreg { - const char *name; - unsigned id; - int status; - unsigned refcnt; -}; - -#define VREG(_name, _id, _status, _refcnt) \ - { .name = _name, .id = _id, .status = _status, .refcnt = _refcnt } - -static struct vreg vregs[] = { - VREG("msma", 0, 0, 0), - VREG("msmp", 1, 0, 0), - VREG("msme1", 2, 0, 0), - VREG("msmc1", 3, 0, 0), - VREG("msmc2", 4, 0, 0), - VREG("gp3", 5, 0, 0), - VREG("msme2", 6, 0, 0), - VREG("gp4", 7, 0, 0), - VREG("gp1", 8, 0, 0), - VREG("tcxo", 9, 0, 0), - VREG("pa", 10, 0, 0), - VREG("rftx", 11, 0, 0), - VREG("rfrx1", 12, 0, 0), - VREG("rfrx2", 13, 0, 0), - VREG("synt", 14, 0, 0), - VREG("wlan", 15, 0, 0), - VREG("usb", 16, 0, 0), - VREG("boost", 17, 0, 0), - VREG("mmc", 18, 0, 0), - VREG("ruim", 19, 0, 0), - VREG("msmc0", 20, 0, 0), - VREG("gp2", 21, 0, 0), - VREG("gp5", 22, 0, 0), - VREG("gp6", 23, 0, 0), - VREG("rf", 24, 0, 0), - VREG("rf_vco", 26, 0, 0), - VREG("mpll", 27, 0, 0), - VREG("s2", 28, 0, 0), - VREG("s3", 29, 0, 0), - VREG("rfubm", 30, 0, 0), - VREG("ncp", 31, 0, 0), - VREG("gp7", 32, 0, 0), - VREG("gp8", 33, 0, 0), - VREG("gp9", 34, 0, 0), - VREG("gp10", 35, 0, 0), - VREG("gp11", 36, 0, 0), - VREG("gp12", 37, 0, 0), - VREG("gp13", 38, 0, 0), - VREG("gp14", 39, 0, 0), - VREG("gp15", 40, 0, 0), - VREG("gp16", 41, 0, 0), - VREG("gp17", 42, 0, 0), - VREG("s4", 43, 0, 0), - VREG("usb2", 44, 0, 0), - VREG("wlan2", 45, 0, 0), - VREG("xo_out", 46, 0, 0), - VREG("lvsw0", 47, 0, 0), - VREG("lvsw1", 48, 0, 0), -}; - -struct vreg *vreg_get(struct device *dev, const char *id) -{ - int n; - for (n = 0; n < ARRAY_SIZE(vregs); n++) { - if (!strcmp(vregs[n].name, id)) - return vregs + n; - } - return ERR_PTR(-ENOENT); -} - -void vreg_put(struct vreg *vreg) -{ -} - -int vreg_enable(struct vreg *vreg) -{ - unsigned id = vreg->id; - unsigned enable = 1; - - if (vreg->refcnt == 0) - vreg->status = msm_proc_comm(PCOM_VREG_SWITCH, &id, &enable); - - if ((vreg->refcnt < UINT_MAX) && (!vreg->status)) - vreg->refcnt++; - - return vreg->status; -} - -int vreg_disable(struct vreg *vreg) -{ - unsigned id = vreg->id; - unsigned enable = 0; - - if (!vreg->refcnt) - return 0; - - if (vreg->refcnt == 1) - vreg->status = msm_proc_comm(PCOM_VREG_SWITCH, &id, &enable); - - if (!vreg->status) - vreg->refcnt--; - - return vreg->status; -} - -int vreg_set_level(struct vreg *vreg, unsigned mv) -{ - unsigned id = vreg->id; - - vreg->status = msm_proc_comm(PCOM_VREG_SET_LEVEL, &id, &mv); - return vreg->status; -} - -#if defined(CONFIG_DEBUG_FS) - -static int vreg_debug_set(void *data, u64 val) -{ - struct vreg *vreg = data; - switch (val) { - case 0: - vreg_disable(vreg); - break; - case 1: - vreg_enable(vreg); - break; - default: - vreg_set_level(vreg, val); - break; - } - return 0; -} - -static int vreg_debug_get(void *data, u64 *val) -{ - struct vreg *vreg = data; - - if (!vreg->status) - *val = 0; - else - *val = 1; - - return 0; -} - -static int vreg_debug_count_set(void *data, u64 val) -{ - struct vreg *vreg = data; - if (val > UINT_MAX) - val = UINT_MAX; - vreg->refcnt = val; - return 0; -} - -static int vreg_debug_count_get(void *data, u64 *val) -{ - struct vreg *vreg = data; - - *val = vreg->refcnt; - - return 0; -} - -DEFINE_SIMPLE_ATTRIBUTE(vreg_fops, vreg_debug_get, vreg_debug_set, "%llu\n"); -DEFINE_SIMPLE_ATTRIBUTE(vreg_count_fops, vreg_debug_count_get, - vreg_debug_count_set, "%llu\n"); - -static int __init vreg_debug_init(void) -{ - struct dentry *dent; - int n; - char name[32]; - const char *refcnt_name = "_refcnt"; - - dent = debugfs_create_dir("vreg", 0); - if (IS_ERR(dent)) - return 0; - - for (n = 0; n < ARRAY_SIZE(vregs); n++) { - (void) debugfs_create_file(vregs[n].name, 0644, - dent, vregs + n, &vreg_fops); - - strlcpy(name, vregs[n].name, sizeof(name)); - strlcat(name, refcnt_name, sizeof(name)); - (void) debugfs_create_file(name, 0644, - dent, vregs + n, &vreg_count_fops); - } - - return 0; -} - -device_initcall(vreg_debug_init); -#endif |
