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Commit 2b1ef2cd authored by Akash Asthana's avatar Akash Asthana
Browse files

uapi: Add QTI specific header for UART 



Create QTI specific header for UART IOCTLs. Bluetooth uses the IOCTL
to control UART clock/power states.

Choose higher numerical value for UART IOCTL macros to avoid any
conflict with upstream addition for new IOCTL.

Change-Id: I6dbabe30f5a12b5bc21cfe8fb16cdccfcc770484
Signed-off-by: default avatarAkash Asthana <akashast@codeaurora.org>
parent 858cd776

drivers/tty/serial/msm_geni_serial.c

+7 −3
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <linux/ioctl.h>

#include <linux/pinctrl/consumer.h>

#include <linux/dma-mapping.h>

#include <uapi/linux/msm_geni_serial.h>



/* UART specific GENI registers */

#define SE_UART_LOOPBACK_CFG		(0x22C)
@@ -537,15 +538,18 @@ static int msm_geni_serial_ioctl(struct uart_port *uport, unsigned int cmd, 
	int ret = -ENOIOCTLCMD;



	switch (cmd) {

	case TIOCPMGET: {

	case TIOCPMGET:

	case MSM_GENI_SERIAL_TIOCPMGET: {

		ret = vote_clock_on(uport);

		break;

	}

	case TIOCPMPUT: {

	case TIOCPMPUT:

	case MSM_GENI_SERIAL_TIOCPMPUT: {

		ret = vote_clock_off(uport);

		break;

	}

	case TIOCPMACT: {

	case TIOCPMACT:

	case MSM_GENI_SERIAL_TIOCPMACT: {

		ret = !pm_runtime_status_suspended(uport->dev);

		break;

	}

gen_headers_arm.bp

+1 −0
Original line number Diff line number Diff line
@@ -384,6 +384,7 @@ gen_headers_out_arm = [ 
    "linux/msdos_fs.h",

    "linux/msg.h",

    "linux/msm_dsps.h",

    "linux/msm_geni_serial.h",

    "linux/msm_ion.h",

    "linux/msm_ion_ids.h",

    "linux/msm_ipa.h",

gen_headers_arm64.bp

+1 −0
Original line number Diff line number Diff line
@@ -379,6 +379,7 @@ gen_headers_out_arm64 = [ 
    "linux/msdos_fs.h",

    "linux/msg.h",

    "linux/msm_dsps.h",

    "linux/msm_geni_serial.h",

    "linux/msm_ion.h",

    "linux/msm_ion_ids.h",

    "linux/msm_ipa.h",

include/uapi/linux/msm_geni_serial.h

0 → 100644
+15 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */

/*

 * Copyright (c) 2020, The Linux Foundation. All rights reserved.

 */



#ifndef __UAPI_LINUX_MSM_GENI_SERIAL_H

#define __UAPI_LINUX_MSM_GENI_SERIAL_H



/* IOCTLS used by BT clients to control UART power state */



#define MSM_GENI_SERIAL_TIOCPMGET	0x54ED	/* PM get */

#define MSM_GENI_SERIAL_TIOCPMPUT	0x54EE	/* PM put */

#define MSM_GENI_SERIAL_TIOCPMACT	0x54EF	/* PM is active */



#endif /* __UAPI_LINUX_MSM_GENI_SERIAL_H */