tty: serial: msm_hs: Add snapshot of msm_hs uart drivers

Snapshot of msm_hs uart driver from msm-3.18.
Baseline:
e70ad0cd5efdd9dc91a77dcdac31d6132e1315c1

Change-Id: I977d80142c2cf8df89810f1c38d523d53371cc46
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/include/linux/platform_data/msm_serial_hs.h b/include/linux/platform_data/msm_serial_hs.h
new file mode 100644
index 000000000000..4362b4ac103d
--- /dev/null
+++ b/include/linux/platform_data/msm_serial_hs.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2008 Google, Inc.
+ * Copyright (C) 2010-2014, 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
+ * @gpio_config : Configure gpios that are used for uart communication
+ * @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.
+ * @bam_tx_ep_pipe_index : BAM TX Endpoint Pipe Index for HSUART
+ * @bam_tx_ep_pipe_index : BAM RX Endpoint Pipe Index for HSUART
+ * @no_suspend_delay : Flag used to make system go to suspend
+ * immediately or not
+ * @obs: Flag to enable out of band sleep feature support
+ */
+struct msm_serial_hs_platform_data {
+	int wakeup_irq;  /* wakeup irq */
+	bool inject_rx_on_wakeup;
+	u8 rx_to_inject;
+	int (*gpio_config)(int);
+	int userid;
+
+	int uart_tx_gpio;
+	int uart_rx_gpio;
+	int uart_cts_gpio;
+	int uart_rfr_gpio;
+	unsigned bam_tx_ep_pipe_index;
+	unsigned bam_rx_ep_pipe_index;
+	bool no_suspend_delay;
+	bool obs;
+};
+
+/* return true when tx is empty */
+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);
+struct uart_port *msm_hs_get_uart_port(int port_index);
+void msm_hs_set_mctrl(struct uart_port *uport,
+				    unsigned int mctrl);
+#endif