diff options
Diffstat (limited to 'drivers/tty/serial/msm_serial_hs.h')
| -rw-r--r-- | drivers/tty/serial/msm_serial_hs.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/tty/serial/msm_serial_hs.h b/drivers/tty/serial/msm_serial_hs.h new file mode 100644 index 000000000000..d4223d1bf0bd --- /dev/null +++ b/drivers/tty/serial/msm_serial_hs.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2008 Google, Inc. + * Copyright (C) 2010-2013, The Linux Foundation. All rights reserved. + * Author: Nick Pelly <npelly@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __ASM_ARCH_MSM_SERIAL_HS_H +#define __ASM_ARCH_MSM_SERIAL_HS_H + +#include<linux/serial_core.h> + +/** + * struct msm_serial_hs_platform_data - platform device data + * for msm hsuart device + * @wakeup_irq : IRQ line to be configured as Wakeup source. + * @inject_rx_on_wakeup : Set 1 if specific character to be inserted on wakeup + * @rx_to_inject : Character to be inserted on wakeup + * @config_gpio : Pass number of GPIOs to configure + (2 for 2-wire UART, 4 for 4-wire UART) + * @userid : User-defined number to be used to enumerate device as tty<userid> + * @uart_tx_gpio: GPIO number for UART Tx Line. + * @uart_rx_gpio: GPIO number for UART Rx Line. + * @uart_cts_gpio: GPIO number for UART CTS Line. + * @uart_rfr_gpio: GPIO number for UART RFR Line. + * @userid: Number to be used as ttyHS<userid> instead of ttyHS<id> +*/ + +struct msm_serial_hs_platform_data { + int wakeup_irq; /* wakeup irq */ + /* bool: inject char into rx tty on wakeup */ + unsigned char inject_rx_on_wakeup; + char rx_to_inject; + unsigned config_gpio; + int uart_tx_gpio; + int uart_rx_gpio; + int uart_cts_gpio; + int uart_rfr_gpio; + int userid; +}; + +unsigned int msm_hs_tx_empty(struct uart_port *uport); +void msm_hs_request_clock_off(struct uart_port *uport); +void msm_hs_request_clock_on(struct uart_port *uport); +void msm_hs_set_mctrl(struct uart_port *uport, + unsigned int mctrl); +#endif |