| /* |
| * Copyright (C) 2018 Synaptics Incorporated. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * INFORMATION CONTAINED IN THIS DOCUMENT IS PROVIDED "AS-IS," AND |
| * SYNAPTICS EXPRESSLY DISCLAIMS ALL EXPRESS AND IMPLIED WARRANTIES, |
| * INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE, AND ANY WARRANTIES OF NON-INFRINGEMENT OF ANY |
| * INTELLECTUAL PROPERTY RIGHTS. IN NO EVENT SHALL SYNAPTICS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, PUNITIVE, OR |
| * CONSEQUENTIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH THE USE |
| * OF THE INFORMATION CONTAINED IN THIS DOCUMENT, HOWEVER CAUSED AND |
| * BASED ON ANY THEORY OF LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * NEGLIGENCE OR OTHER TORTIOUS ACTION, AND EVEN IF SYNAPTICS WAS |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. IF A TRIBUNAL OF |
| * COMPETENT JURISDICTION DOES NOT PERMIT THE DISCLAIMER OF DIRECT |
| * DAMAGES OR ANY OTHER DAMAGES, SYNAPTICS' TOTAL CUMULATIVE LIABILITY |
| * TO ANY PARTY SHALL NOT EXCEED ONE HUNDRED U.S. DOLLARS. |
| */ |
| |
| #ifndef _GPIO_H_ |
| #define _GPIO_H_ |
| |
| #define PORT_DDR_IN 0 |
| #define PORT_DDR_OUT 1 |
| |
| /**************************************************** |
| * FUNCTION: toggle GPIO port between high and low |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * value - 1: high; 0: low |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int GPIO_PortWrite(int port, int value); |
| |
| /**************************************************** |
| * FUNCTION: read GPIO port status |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * *value - pointer to port status |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int GPIO_PortRead(int port, int *value); |
| |
| /**************************************************** |
| * FUNCTION: pinmux init for the pin of GPIO port |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * RETURN: 0 - succeed |
| * -1 - fail |
| * NOTE: Be sure that spi_master_init_iomapper is done. |
| ***************************************************/ |
| int GPIO_PinmuxInit(int port); |
| |
| /**************************************************** |
| * FUNCTION: Configure IOmapper for GPIO port |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * in - Set GPIO pin as IN or OUT |
| * RETURN: 0 - succeed |
| * -1 - fail |
| * NOTE: Be sure that spi_master_init_iomapper is done. |
| ***************************************************/ |
| int GPIO_IOmapperSetInOut(int port, int in); |
| |
| /**************************************************** |
| * FUNCTION: Get the in/out status of GPIO pin at IOmapper |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * *inout - return PORT_DDR_IN or PORT_DDR_OUT |
| * RETURN: 0 - succeed |
| * -1 - fail |
| * NOTE: Be sure that spi_master_init_iomapper is done. |
| ***************************************************/ |
| int GPIO_IOmapperGetInOut(int port, int *inout); |
| |
| /**************************************************** |
| * FUNCTION: Set Galois GPIO pin as in or out |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * in - 1: IN, 0: OUT |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int GPIO_PortSetInOut(int port, int in); |
| |
| /**************************************************** |
| * FUNCTION: Get direction of Galois GPIO pin: in or out |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * *inout - PORT_DDR_IN: IN, PORT_DDR_OUT: OUT |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int GPIO_PortGetInOut(int port, int *inout); |
| |
| /**************************************************** |
| * FUNCTION: Get data of Galois GPIO pin |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * *data - the data in APB_GPIO_SWPORTA_DR |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int GPIO_PortGetData(int port, int *data); |
| |
| /**************************************************** |
| * FUNCTION: Init interrupt for Galois GPIO pin, and set |
| * interrupt level or edge, but keep interrupt closed. |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * int_edge - 1: edge triggered, 0: level triggered. |
| * int_polarity - 1: rise edge/high level triggered. |
| * 0: fall edge/low level triggered. |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int GPIO_PortInitIRQ(int port, int int_edge, int int_polarity); |
| |
| /**************************************************** |
| * FUNCTION: Enable interrupt for Galois GPIO pin |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * RETURN: 0 - succeed |
| * -1 - fail |
| * NOTE: You also need to enable GPIO interrupt in ICTL. |
| ***************************************************/ |
| int GPIO_PortEnableIRQ(int port); |
| |
| /**************************************************** |
| * FUNCTION: Disable interrupt for Galois GPIO pin |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int GPIO_PortDisableIRQ(int port); |
| |
| /**************************************************** |
| * FUNCTION: Lookup if there's interrupt for Galois GPIO pin |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * RETURN: 1 - yes, there's interrupt pending. |
| * 0 - no, there's no interrupt pending. |
| * -1 - fail. |
| ***************************************************/ |
| int GPIO_PortHasInterrupt(int port); |
| |
| /**************************************************** |
| * FUNCTION: Clear interrupt for Galois GPIO pin |
| * PARAMS: port - GPIO port # (0 ~ 31) |
| * RETURN: 0 - succeed. |
| * -1 - fail. |
| ***************************************************/ |
| int GPIO_PortClearInterrupt(int port); |
| |
| #if defined(BERLIN) |
| ////////////////////////////////////////////////////////// |
| // Only port 0-7 can support SM_GPIO interrupt |
| ////////////////////////////////////////////////////////// |
| |
| /**************************************************** |
| * FUNCTION: toggle SM_GPIO port between high and low |
| * PARAMS: port - SM_GPIO port # (0 ~ 11) |
| * value - 1: high; 0: low |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int SM_GPIO_PortWrite(int port, int value); |
| |
| /**************************************************** |
| * FUNCTION: read SM_GPIO port status |
| * PARAMS: port - SM_GPIO port # (0 ~ 11) |
| * *value - pointer to port status |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int SM_GPIO_PortRead(int port, int *value); |
| |
| /**************************************************** |
| * FUNCTION: Set Galois SM_GPIO pin as in or out |
| * PARAMS: port - SM_GPIO port # (0 ~ 11) |
| * in - 1: IN, 0: OUT |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int SM_GPIO_PortSetInOut(int port, int in); |
| |
| /**************************************************** |
| * FUNCTION: Get direction of Galois SM_GPIO pin: in or out |
| * PARAMS: port - SM_GPIO port # (0 ~ 11) |
| * *inout - PORT_DDR_IN: IN, PORT_DDR_OUT: OUT |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int SM_GPIO_PortGetInOut(int port, int *inout); |
| |
| /**************************************************** |
| * FUNCTION: Get data of Galois SM_GPIO pin |
| * PARAMS: port - SM_GPIO port # (0 ~ 11) |
| * *data - the data in APB_GPIO_SWPORTA_DR |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int SM_GPIO_PortGetData(int port, int *data); |
| |
| /**************************************************** |
| * FUNCTION: Init interrupt for Galois SM_GPIO pin, and set |
| * interrupt level or edge, but keep interrupt closed. |
| * PARAMS: port - SM_GPIO port # (0 ~ 7) |
| * int_edge - 1: edge triggered, 0: level triggered. |
| * int_polarity - 1: rise edge/high level triggered. |
| * 0: fall edge/low level triggered. |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int SM_GPIO_PortInitIRQ(int port, int int_edge, int int_polarity); |
| |
| /**************************************************** |
| * FUNCTION: Enable interrupt for Galois SM_GPIO pin |
| * PARAMS: port - SM_GPIO port # (0 ~ 7) |
| * RETURN: 0 - succeed |
| * -1 - fail |
| * NOTE: You also need to enable SM_GPIO interrupt in ICTL. |
| ***************************************************/ |
| int SM_GPIO_PortEnableIRQ(int port); |
| |
| /**************************************************** |
| * FUNCTION: Disable interrupt for Galois SM_GPIO pin |
| * PARAMS: port - SM_GPIO port # (0 ~ 7) |
| * RETURN: 0 - succeed |
| * -1 - fail |
| ***************************************************/ |
| int SM_GPIO_PortDisableIRQ(int port); |
| |
| /**************************************************** |
| * FUNCTION: Lookup if there's interrupt for Galois SM_GPIO pin |
| * PARAMS: port - SM_GPIO port # (0 ~ 7) |
| * RETURN: 1 - yes, there's interrupt pending. |
| * 0 - no, there's no interrupt pending. |
| * -1 - fail. |
| ***************************************************/ |
| int SM_GPIO_PortHasInterrupt(int port); |
| |
| /**************************************************** |
| * FUNCTION: Clear interrupt for Galois SM_GPIO pin |
| * PARAMS: port - SM_GPIO port # (0 ~ 7) |
| * RETURN: 0 - succeed. |
| * -1 - fail. |
| ***************************************************/ |
| int SM_GPIO_PortClearInterrupt(int port); |
| #endif |
| |
| #endif |
| |
