linux/drivers/staging/rtl8712/rtl871x_pwrctrl.c

// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
 * rtl871x_pwrctrl.c
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 * Linux device driver for RTL8192SU
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <[email protected]>
 * Larry Finger <[email protected]>
 *
 ******************************************************************************/

#define _RTL871X_PWRCTRL_C_

#include "osdep_service.h"
#include "drv_types.h"
#include "osdep_intf.h"

#define RTL8712_SDIO_LOCAL_BASE …
#define SDIO_HCPWM …

void r8712_set_rpwm(struct _adapter *padapter, u8 val8)
{ … }

void r8712_set_ps_mode(struct _adapter *padapter, uint ps_mode, uint smart_ps)
{ … }

/*
 * Caller:ISR handler...
 *
 * This will be called when CPWM interrupt is up.
 *
 * using to update cpwn of drv; and drv will make a decision to up or
 * down pwr level
 */
void r8712_cpwm_int_hdl(struct _adapter *padapter,
			struct reportpwrstate_parm *preportpwrstate)
{ … }

static inline void register_task_alive(struct pwrctrl_priv *pwrctrl, uint tag)
{ … }

static inline void unregister_task_alive(struct pwrctrl_priv *pwrctrl, uint tag)
{ … }

static void _rpwm_check_handler (struct _adapter *padapter)
{ … }

static void SetPSModeWorkItemCallback(struct work_struct *work)
{ … }

static void rpwm_workitem_callback(struct work_struct *work)
{ … }

static void rpwm_check_handler (struct timer_list *t)
{ … }

void r8712_init_pwrctrl_priv(struct _adapter *padapter)
{ … }

/*
 * Caller: r8712_cmd_thread
 * Check if the fw_pwrstate is okay for issuing cmd.
 * If not (cpwm should be is less than P2 state), then the sub-routine
 * will raise the cpwm to be greater than or equal to P2.
 * Calling Context: Passive
 * Return Value:
 * 0:	    r8712_cmd_thread can issue cmds to firmware afterwards.
 * -EINVAL: r8712_cmd_thread can not do anything.
 */
int r8712_register_cmd_alive(struct _adapter *padapter)
{ … }

/*
 * Caller: ISR
 * If ISR's txdone,
 * No more pkts for TX,
 * Then driver shall call this fun. to power down firmware again.
 */
void r8712_unregister_cmd_alive(struct _adapter *padapter)
{ … }

void r8712_flush_rwctrl_works(struct _adapter *padapter)
{ … }