Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935477AbYCFSM2 (ORCPT ); Thu, 6 Mar 2008 13:12:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S935609AbYCFSLO (ORCPT ); Thu, 6 Mar 2008 13:11:14 -0500 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:42918 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S935606AbYCFSLM (ORCPT ); Thu, 6 Mar 2008 13:11:12 -0500 Subject: UPDATED v3][PATCH 2/7] regulator: regulator driver interface From: Liam Girdwood To: Andrew Morton Cc: linux-arm-kernel , linux-kernel , Mark Brown Content-Type: text/plain Date: Thu, 06 Mar 2008 18:11:09 +0000 Message-Id: <1204827069.15360.148.camel@a10323.wolfsonmicro.main> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-2.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3221 Lines: 111 This interface allows regulator drivers to register their voltage and current regulators with the core. It also has a notifier call chain for propagating regulator events to clients. Signed-off-by: Liam Girdwood --- include/linux/regulator/regulator-drv.h | 85 +++++++++++++++++++++++++++++++ 1 files changed, 85 insertions(+), 0 deletions(-) create mode 100644 include/linux/regulator/regulator-drv.h diff --git a/include/linux/regulator/regulator-drv.h b/include/linux/regulator/regulator-drv.h new file mode 100644 index 0000000..3230689 --- /dev/null +++ b/include/linux/regulator/regulator-drv.h @@ -0,0 +1,85 @@ +/* + * regulator-drv.h -- SoC Regulator support. + * + * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood + * + * 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. + * + * Regulator Driver Interface. + */ + +#ifndef __LINUX_REGULATOR_DRV_H_ +#define __LINUX_REGULATOR_DRV_H_ + +#include +#include + +struct regulator_constraints; +struct regulator_cdev; + +/** + * struct regulator_ops - regulator operations. + * + * This struct describes regulator operations. + */ +struct regulator_ops { + + /* get/set regulator voltage */ + int (*set_voltage) (struct regulator_cdev *, int uV); + int (*get_voltage) (struct regulator_cdev *); + + /* get/set regulator current */ + int (*set_current) (struct regulator_cdev *, int uA); + int (*get_current) (struct regulator_cdev *); + + /* enable/disable regulator */ + int (*enable) (struct regulator_cdev *); + int (*disable) (struct regulator_cdev *); + int (*is_enabled) (struct regulator_cdev *); + + /* get/set regulator operating mode (defined in regulator.h) */ + int (*set_mode) (struct regulator_cdev *, unsigned int mode); + unsigned int (*get_mode) (struct regulator_cdev *); + + /* get most efficient regulator operating mode for load */ + unsigned int (*get_optimum_mode) (struct regulator_cdev *, int input_uV, + int output_uV, int load_uA); +}; + +/* + * Regulators can either control voltage or current. + */ +enum regulator_type { + REGULATOR_VOLTAGE, + REGULATOR_CURRENT, +}; + +/** + * struct regulator_desc - Regulator descriptor + * + */ +struct regulator_desc { + const char *name; + int id; + struct regulator_ops *ops; + int irq; + enum regulator_type type; + struct module *owner; +}; + + +struct regulator_cdev *regulator_register(struct regulator_desc *regulator_desc, + void *reg_data); +void regulator_unregister(struct regulator_cdev *rcdev); + +int regulator_notifier_call_chain(struct regulator_cdev *rcdev, + unsigned long event, void *data); + +void *rcdev_get_drvdata(struct regulator_cdev *rcdev); +int rcdev_get_id(struct regulator_cdev *rcdev); + +#endif -- 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/