1 /* 2 * Broadcom SPI Low-Level Hardware Driver API 3 * 4 * Portions of this code are copyright (c) 2021 Cypress Semiconductor Corporation 5 * 6 * Copyright (C) 1999-2017, Broadcom Corporation 7 * 8 * Unless you and Broadcom execute a separate written software license 9 * agreement governing use of this software, this software is licensed to you 10 * under the terms of the GNU General Public License version 2 (the "GPL"), 11 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 12 * following added to such license: 13 * 14 * As a special exception, the copyright holders of this software give you 15 * permission to link this software with independent modules, and to copy and 16 * distribute the resulting executable under terms of your choice, provided that 17 * you also meet, for each linked independent module, the terms and conditions of 18 * the license of that module. An independent module is a module which is not 19 * derived from this software. The special exception does not apply to any 20 * modifications of the software. 21 * 22 * Notwithstanding the above, under no circumstances may you combine this 23 * software in any way with any other Broadcom software provided under a license 24 * other than the GPL, without Broadcom's express prior written consent. 25 * 26 * 27 * <<Broadcom-WL-IPTag/Open:>> 28 * 29 * $Id: bcmspi.h 514727 2014-11-12 03:02:48Z $ 30 */ 31 #ifndef _BCM_SPI_H 32 #define _BCM_SPI_H 33 34 extern void spi_devintr_off(sdioh_info_t *sd); 35 extern void spi_devintr_on(sdioh_info_t *sd); 36 extern bool spi_start_clock(sdioh_info_t *sd, uint16 new_sd_divisor); 37 extern bool spi_controller_highspeed_mode(sdioh_info_t *sd, bool hsmode); 38 extern bool spi_check_client_intr(sdioh_info_t *sd, int *is_dev_intr); 39 extern bool spi_hw_attach(sdioh_info_t *sd); 40 extern bool spi_hw_detach(sdioh_info_t *sd); 41 extern void spi_sendrecv(sdioh_info_t *sd, uint8 *msg_out, uint8 *msg_in, int msglen); 42 extern void spi_spinbits(sdioh_info_t *sd); 43 extern void spi_waitbits(sdioh_info_t *sd, bool yield); 44 45 #endif /* _BCM_SPI_H */ 46