1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Broadcom SPI Low-Level Hardware Driver API 4 * 5 * Copyright (C) 1999-2019, Broadcom. 6 * 7 * Unless you and Broadcom execute a separate written software license 8 * agreement governing use of this software, this software is licensed to you 9 * under the terms of the GNU General Public License version 2 (the "GPL"), 10 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 11 * following added to such license: 12 * 13 * As a special exception, the copyright holders of this software give you 14 * permission to link this software with independent modules, and to copy and 15 * distribute the resulting executable under terms of your choice, provided that 16 * you also meet, for each linked independent module, the terms and conditions of 17 * the license of that module. An independent module is a module which is not 18 * derived from this software. The special exception does not apply to any 19 * modifications of the software. 20 * 21 * Notwithstanding the above, under no circumstances may you combine this 22 * software in any way with any other Broadcom software provided under a license 23 * other than the GPL, without Broadcom's express prior written consent. 24 * 25 * 26 * <<Broadcom-WL-IPTag/Open:>> 27 * 28 * $Id: bcmspi.h 514727 2014-11-12 03:02:48Z $ 29 */ 30 #ifndef _BCM_SPI_H 31 #define _BCM_SPI_H 32 33 extern void spi_devintr_off(sdioh_info_t *sd); 34 extern void spi_devintr_on(sdioh_info_t *sd); 35 extern bool spi_start_clock(sdioh_info_t *sd, uint16 new_sd_divisor); 36 extern bool spi_controller_highspeed_mode(sdioh_info_t *sd, bool hsmode); 37 extern bool spi_check_client_intr(sdioh_info_t *sd, int *is_dev_intr); 38 extern bool spi_hw_attach(sdioh_info_t *sd); 39 extern bool spi_hw_detach(sdioh_info_t *sd); 40 extern void spi_sendrecv(sdioh_info_t *sd, uint8 *msg_out, uint8 *msg_in, int msglen); 41 extern void spi_spinbits(sdioh_info_t *sd); 42 extern void spi_waitbits(sdioh_info_t *sd, bool yield); 43 44 #endif /* _BCM_SPI_H */ 45