/***********************license start*********************************** * Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights * reserved. * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * * Neither the name of Cavium Inc. nor the names of * its contributors may be used to endorse or promote products * derived from this software without specific prior written * permission. * * This Software, including technical data, may be subject to U.S. export * control laws, including the U.S. Export Administration Act and its * associated regulations, and may be subject to export or import * regulations in other countries. * * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT * TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, * QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK * ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU. ***********************license end**************************************/ #include "libbdk-arch/bdk-csrs-sgp.h" /** * @file * * Serial GPIO interface (SGPIO) * *
$Revision: 49448 $
* * @addtogroup hal * @{ */ #ifndef _BDK_DRIVER_SGPIO_H_ #define _BDK_DRIVER_SGPIO_H_ typedef enum { BDK_SGPIO_LED_ACT, BDK_SGPIO_LED_LOC, BDK_SGPIO_LED_ERR, } bdk_sgpio_led_t; typedef enum { BDK_SGPIO_STATIC_ON = BDK_SGP_TX_ACT_E_STATIC_ON, BDK_SGPIO_STATIC_OFF = BDK_SGP_TX_ACT_E_STATIC_OFF, BDK_SGPIO_BLINK = BDK_SGP_TX_ACT_E_A_ON_OFF, } bdk_sgpio_led_state_t; /** * Get the SGPIO controller state * * @param node CPU node number * * @return 1 == Controller is enabled, 0 == Controller is disabled */ int bdk_sgpio_is_enabled(bdk_node_t node); /** * Set the mode for a specific LED. * * @param node CPU node number * @param drive Drive number of LED (0-15) * @param led LED type: * BDK_SGPIO_LED_ACT * BDK_SGPIO_LED_ERR * BDK_SGPIO_LED_LOC * * @return */ void bdk_sgpio_set_led_state(bdk_node_t node, int drive, int led, int state); /** * Get the mode for a specific LED. * * @param node CPU node number * @param drive Drive number of LED (0-15) * @param led LED type: * BDK_SGPIO_LED_ACT * BDK_SGPIO_LED_ERR * BDK_SGPIO_LED_LOC * * @return LED state: * BDK_SGPIO_STATIC_ON * BDK_SGPIO_STATIC_OFF * BDK_SGPIO_BLINK */ int bdk_sgpio_get_led_state(bdk_node_t node, int drive, int led); /** * Set the controller's SCLOCK frequency * * @param node CPU node number * @param freq Frequency to set * * @return Zero on success, negative on failure */ int bdk_sgpio_set_sclock(bdk_node_t node, int freq); /** * Enable / disable controller * * @param node CPU node number * @param ena zero = disable, non-zero = enable * * @return */ void bdk_sgpio_enable_controller(bdk_node_t node, int ena); /** * Set up SGPIO pin muxing based on environment. * * @param node CPU node number * * @return Zero on success, negative on failure */ int bdk_sgpio_setup_gpio_pins(bdk_node_t node); /** * Initialize the SGPIO controller. * - Set up the SGPIO pin muxing as per configuration environment. * - Turn all LEDs off * - Set the blink rate to 1/2 second * - Enable the controller * * @param node CPU node number * * @return Zero on success, negative on failure */ int bdk_sgpio_initialize(bdk_node_t node); /** @} */ #endif /* _BDK_DRIVER_SGPIO_H_ */