8bb0552080
Add qal API for of_get_named_gpio_flags Change-Id: I21eb27c72baa2057028a8565fc68754818fc641c CRs-Fixed: 3579431
452 lines
11 KiB
C
452 lines
11 KiB
C
/*
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* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
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* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: qal_vbus_dev
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* QCA abstraction layer (QAL) virtual bus management APIs
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*/
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#if !defined(__QAL_VBUS_DEV_H)
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#define __QAL_VBUS_DEV_H
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/* Include Files */
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#include <qdf_types.h>
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#include <i_qal_vbus_dev.h>
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struct qdf_vbus_resource;
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struct qdf_vbus_rstctl;
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struct qdf_dev_clk;
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struct qdf_pfm_hndl;
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struct qdf_pfm_drv;
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struct qdf_device_node;
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typedef __qdf_of_gpio_flags qdf_of_gpio_flags;
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#ifdef ENHANCED_OS_ABSTRACTION
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/**
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* qal_vbus_get_iorsc() - acquire io resource
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* @devnum: Device Number
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* @flag: Property bitmap for the io resource
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* @devname: Device name string
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*
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* This function will allocate the io resource for a device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_get_iorsc(int devnum, uint32_t flag, char *devname);
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/**
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* qal_vbus_release_iorsc() - release io resource
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* @devnum: Device Number
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*
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* This function will release the io resource attached to a device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_release_iorsc(int devnum);
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/**
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* qal_vbus_allocate_iorsc() - allocate io resource
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* @pinnum: pin Number
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* @label: pin name string
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*
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* This function will allocate the io resource for a device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_allocate_iorsc(unsigned int pinnum, const char *label);
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/**
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* qal_vbus_iorsc_dir_output() - set pin dirction to output
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* @pin: pin Number
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* @val: value
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*
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* This function set the gpio pin direction to output
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*
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* Return: 0 on success, error no on failure
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*/
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QDF_STATUS
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qal_vbus_iorsc_dir_output(unsigned int pin, int val);
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/**
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* qal_vbus_iorsc_set_value() - set pin direction
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* @pin: pin Number
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* @val: value
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*
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* This function set the gpio pin direction based on value
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_iorsc_set_value(unsigned int pin, int val);
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/**
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* qal_vbus_iorsc_toirq() - set irq number to gpio
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* @pin: pin Number
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*
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* This function set the irq number to gpio pin
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_iorsc_toirq(unsigned int pin);
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/**
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* qal_vbus_request_irq() - set interrupt handler
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* @irqnum: irq Number
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* @handler: function handler to be called
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* @flags: irq flags
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* @dev_name: device name
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* @ctx: pointer to device context
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* This function set up the handling of the interrupt
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*
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* Return: QDF_STATUS_SUCCESS on success, Error code on failure
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*/
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QDF_STATUS
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qal_vbus_request_irq(unsigned int irqnum,
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irqreturn_t (*handler)(int irq, void *arg),
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unsigned long flags, const char *dev_name,
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void *ctx);
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/**
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* __qal_vbus_free_irq() - free irq
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* @irqnum: irq Number
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* @ctx: pointer to device context
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*
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* This function free the irq number set to gpio pin
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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static inline QDF_STATUS
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__qal_vbus_free_irq(unsigned int irqnum, void *ctx);
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/**
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* qal_vbus_enable_devclk() - enable device clock
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* @clk: Device clock
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*
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* This function will enable the clock for a device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_enable_devclk(struct qdf_dev_clk *clk);
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/**
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* qal_vbus_disable_devclk() - disable device clock
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* @clk: Device clock
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*
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* This function will disable the clock for a device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_disable_devclk(struct qdf_dev_clk *clk);
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/**
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* qal_vbus_get_dev_rstctl() - get device reset control
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* @pfhndl: Device handle
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* @state: Device state information
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* @rstctl: Device reset control handle
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*
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* This function will acquire the control to reset the device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_get_dev_rstctl(struct qdf_pfm_hndl *pfhndl, const char *state,
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struct qdf_vbus_rstctl **rstctl);
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/**
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* qal_vbus_release_dev_rstctl() - release device reset control
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* @pfhndl: Device handle
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* @rstctl: Device reset control handle
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*
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* This function will release the control to reset the device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_release_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
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struct qdf_vbus_rstctl *rstctl);
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/**
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* qal_vbus_activate_dev_rstctl() - activate device reset control
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* @pfhndl: Device handle
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* @rstctl: Device reset control handle
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*
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* This function will activate the reset control for the device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_activate_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
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struct qdf_vbus_rstctl *rstctl);
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/**
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* qal_vbus_deactivate_dev_rstctl() - deactivate device reset control
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* @pfhndl: Device handle
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* @rstctl: Device reset control handle
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*
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* This function will deactivate the reset control for the device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_deactivate_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
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struct qdf_vbus_rstctl *rstctl);
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/**
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* qal_vbus_get_resource() - get resource
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* @pfhndl: Device handle
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* @rsc: Resource handle
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* @restype: Resource type
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* @residx: Resource index
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*
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* This function will acquire a particular resource and attach it to the device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_get_resource(struct qdf_pfm_hndl *pfhndl,
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struct qdf_vbus_resource **rsc, uint32_t restype,
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uint32_t residx);
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/**
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* qal_vbus_get_irq() - get irq
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* @pfhndl: Device handle
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* @str: Device identifier
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* @irq: irq number
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*
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* This function will acquire an irq for the device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_get_irq(struct qdf_pfm_hndl *pfhndl, const char *str, int *irq);
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/**
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* qal_vbus_register_driver() - register driver
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* @pfdev: Device handle
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*
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* This function will initialize a device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_register_driver(struct qdf_pfm_drv *pfdev);
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/**
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* qal_vbus_deregister_driver() - deregister driver
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* @pfdev: Device handle
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*
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* This function will deregister the driver for a device
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_deregister_driver(struct qdf_pfm_drv *pfdev);
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/**
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* qal_vbus_gpio_set_value_cansleep() - assign a gpio's value
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* @gpio: gpio whose value will be assigned
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* @value: value to assign
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_gpio_set_value_cansleep(unsigned int gpio, int value);
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/**
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* qal_vbus_rcu_read_lock() - mark the beginning of an RCU read-side critical
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* section
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_rcu_read_lock(void);
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/**
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* qal_vbus_rcu_read_unlock() - mark the end of an RCU read-side critical
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* section
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*
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* Return: QDF_STATUS_SUCCESS on success
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*/
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QDF_STATUS
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qal_vbus_rcu_read_unlock(void);
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/**
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* qal_vbus_of_get_named_gpio_flags() - Get a GPIO descriptor and flags
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* for GPIO API
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* @np: device node to get GPIO from
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* @list_name: property name containing gpio specifier(s)
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* @index: index of the GPIO
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* @flags: a flags pointer to fill in
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*
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* The global GPIO number for the GPIO specified by its descriptor.
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*/
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int
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qal_vbus_of_get_named_gpio_flags(struct qdf_device_node *np,
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const char *list_name,
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int index, qdf_of_gpio_flags *flags);
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#else
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static inline QDF_STATUS
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qal_vbus_get_iorsc(int devnum, uint32_t flag, char *devname)
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{
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return __qal_vbus_get_iorsc(devnum, flag, devname);
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}
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static inline QDF_STATUS
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qal_vbus_allocate_iorsc(unsigned int pinnum, const char *label)
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{
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return __qal_vbus_allocate_iorsc(pinnum, label);
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}
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static inline QDF_STATUS
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qal_vbus_iorsc_dir_output(unsigned int pin, int val)
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{
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return __qal_vbus_iorsc_dir_output(pin, val);
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}
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static inline QDF_STATUS
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qal_vbus_iorsc_set_value(unsigned int pin, int val)
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{
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return __qal_vbus_iorsc_set_value(pin, val);
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}
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static inline QDF_STATUS
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qal_vbus_release_iorsc(int devnum)
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{
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return __qal_vbus_release_iorsc(devnum);
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}
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static inline QDF_STATUS
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qal_vbus_iorsc_toirq(unsigned int pin)
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{
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return __qal_vbus_iorsc_toirq(pin);
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}
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static inline QDF_STATUS
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qal_vbus_request_irq(unsigned int irqnum,
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irqreturn_t (*handler)(int irq, void *arg),
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unsigned long flags, const char *dev_name, void *ctx)
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{
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return __qal_vbus_request_irq(irqnum, handler, flags, dev_name, ctx);
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}
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static inline QDF_STATUS
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qal_vbus_free_irq(unsigned int irqnum, void *ctx)
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{
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return __qal_vbus_free_irq(irqnum, ctx);
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}
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static inline QDF_STATUS
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qal_vbus_enable_devclk(struct qdf_dev_clk *clk)
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{
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return __qal_vbus_enable_devclk(clk);
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}
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static inline QDF_STATUS
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qal_vbus_disable_devclk(struct qdf_dev_clk *clk)
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{
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return __qal_vbus_disable_devclk(clk);
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}
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static inline QDF_STATUS
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qal_vbus_get_dev_rstctl(struct qdf_pfm_hndl *pfhndl, const char *state,
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struct qdf_vbus_rstctl **rstctl)
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{
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return __qal_vbus_get_dev_rstctl(pfhndl, state, rstctl);
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}
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static inline QDF_STATUS
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qal_vbus_release_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
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struct qdf_vbus_rstctl *rstctl)
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{
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return __qal_vbus_release_dev_rstctl(pfhndl, rstctl);
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}
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static inline QDF_STATUS
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qal_vbus_activate_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
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struct qdf_vbus_rstctl *rstctl)
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{
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return __qal_vbus_activate_dev_rstctl(pfhndl, rstctl);
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}
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static inline QDF_STATUS
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qal_vbus_deactivate_dev_rstctl(struct qdf_pfm_hndl *pfhndl,
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struct qdf_vbus_rstctl *rstctl)
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{
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return __qal_vbus_deactivate_dev_rstctl(pfhndl, rstctl);
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}
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static inline QDF_STATUS
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qal_vbus_get_resource(struct qdf_pfm_hndl *pfhndl,
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struct qdf_vbus_resource **rsc, uint32_t restype,
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uint32_t residx)
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{
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return __qal_vbus_get_resource(pfhndl, rsc, restype, residx);
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}
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static inline QDF_STATUS
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qal_vbus_get_irq(struct qdf_pfm_hndl *pfhndl, const char *str, int *irq)
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{
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return __qal_vbus_get_irq(pfhndl, str, irq);
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}
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static inline QDF_STATUS
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qal_vbus_register_driver(struct qdf_pfm_drv *pfdev)
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{
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return __qal_vbus_register_driver(pfdev);
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}
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static inline QDF_STATUS
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qal_vbus_deregister_driver(struct qdf_pfm_drv *pfdev)
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{
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return __qal_vbus_deregister_driver(pfdev);
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}
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static inline QDF_STATUS
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qal_vbus_gpio_set_value_cansleep(unsigned int gpio, int value)
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{
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return __qal_vbus_gpio_set_value_cansleep(gpio, value);
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}
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static inline QDF_STATUS
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qal_vbus_rcu_read_lock(void)
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{
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return __qal_vbus_rcu_read_lock();
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}
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static inline QDF_STATUS
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qal_vbus_rcu_read_unlock(void)
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{
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return __qal_vbus_rcu_read_unlock();
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}
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static inline int
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qal_vbus_of_get_named_gpio_flags(struct qdf_device_node *np,
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const char *list_name,
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int index, qdf_of_gpio_flags *flags)
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{
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return __qal_vbus_of_get_named_gpio_flags(np, list_name, index, flags);
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}
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#endif
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#endif /* __QAL_VBUS_DEV_H */
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