2024-09-09 08:52:07 +00:00
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/*
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* Copyright (C) 2008 Google, Inc.
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2024-09-09 08:57:42 +00:00
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* Copyright (C) 2010-2014, The Linux Foundation. All rights reserved.
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2024-09-09 08:52:07 +00:00
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* Author: Nick Pelly <npelly@google.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __ASM_ARCH_MSM_SERIAL_HS_H
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#define __ASM_ARCH_MSM_SERIAL_HS_H
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#include <linux/serial_core.h>
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/**
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2024-09-09 08:57:42 +00:00
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* struct msm_serial_hs_platform_data - platform device data
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* for msm hsuart device
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* @wakeup_irq : IRQ line to be configured as Wakeup source.
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* @inject_rx_on_wakeup : Set 1 if specific character to be inserted on wakeup
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* @rx_to_inject : Character to be inserted on wakeup
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* @gpio_config : Configure gpios that are used for uart communication
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* @userid : User-defined number to be used to enumerate device as tty<userid>
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* @uart_tx_gpio: GPIO number for UART Tx Line.
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* @uart_rx_gpio: GPIO number for UART Rx Line.
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* @uart_cts_gpio: GPIO number for UART CTS Line.
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* @uart_rfr_gpio: GPIO number for UART RFR Line.
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* @bam_tx_ep_pipe_index : BAM TX Endpoint Pipe Index for HSUART
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* @bam_tx_ep_pipe_index : BAM RX Endpoint Pipe Index for HSUART
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* @no_suspend_delay : Flag used to make system go to suspend
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* immediately or not
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* @obs: Flag to enable out of band sleep feature support
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*/
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struct msm_serial_hs_platform_data {
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int wakeup_irq; /* wakeup irq */
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bool inject_rx_on_wakeup;
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u8 rx_to_inject;
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int (*gpio_config)(int);
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int userid;
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int uart_tx_gpio;
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int uart_rx_gpio;
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int uart_cts_gpio;
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int uart_rfr_gpio;
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unsigned bam_tx_ep_pipe_index;
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unsigned bam_rx_ep_pipe_index;
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bool no_suspend_delay;
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bool obs;
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};
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2024-09-09 08:57:42 +00:00
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/* return true when tx is empty */
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unsigned int msm_hs_tx_empty(struct uart_port *uport);
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void msm_hs_request_clock_off(struct uart_port *uport);
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void msm_hs_request_clock_on(struct uart_port *uport);
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struct uart_port *msm_hs_get_uart_port(int port_index);
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void msm_hs_set_mctrl(struct uart_port *uport,
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unsigned int mctrl);
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2024-09-09 08:52:07 +00:00
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#endif
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