1*1f40866fSVal Packett /*- 2*1f40866fSVal Packett * SPDX-License-Identifier: BSD-2-Clause 3*1f40866fSVal Packett * 4*1f40866fSVal Packett * Copyright (c) 2016 Oleksandr Tymoshenko <gonzo@FreeBSD.org> 5*1f40866fSVal Packett * All rights reserved. 6*1f40866fSVal Packett * 7*1f40866fSVal Packett * Redistribution and use in source and binary forms, with or without 8*1f40866fSVal Packett * modification, are permitted provided that the following conditions 9*1f40866fSVal Packett * are met: 10*1f40866fSVal Packett * 1. Redistributions of source code must retain the above copyright 11*1f40866fSVal Packett * notice, this list of conditions and the following disclaimer. 12*1f40866fSVal Packett * 2. Redistributions in binary form must reproduce the above copyright 13*1f40866fSVal Packett * notice, this list of conditions and the following disclaimer in the 14*1f40866fSVal Packett * documentation and/or other materials provided with the distribution. 15*1f40866fSVal Packett * 16*1f40866fSVal Packett * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*1f40866fSVal Packett * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*1f40866fSVal Packett * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*1f40866fSVal Packett * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*1f40866fSVal Packett * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*1f40866fSVal Packett * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*1f40866fSVal Packett * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*1f40866fSVal Packett * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*1f40866fSVal Packett * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*1f40866fSVal Packett * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*1f40866fSVal Packett * SUCH DAMAGE. 27*1f40866fSVal Packett */ 28*1f40866fSVal Packett 29*1f40866fSVal Packett #ifndef _DEV_INTEL_SPI_H_ 30*1f40866fSVal Packett #define _DEV_INTEL_SPI_H_ 31*1f40866fSVal Packett 32*1f40866fSVal Packett #include <contrib/dev/acpica/include/acpi.h> 33*1f40866fSVal Packett #include <contrib/dev/acpica/include/accommon.h> 34*1f40866fSVal Packett 35*1f40866fSVal Packett #include <dev/acpica/acpivar.h> 36*1f40866fSVal Packett 37*1f40866fSVal Packett enum intelspi_vers { 38*1f40866fSVal Packett SPI_BAYTRAIL, 39*1f40866fSVal Packett SPI_BRASWELL, 40*1f40866fSVal Packett SPI_LYNXPOINT, 41*1f40866fSVal Packett SPI_SUNRISEPOINT, 42*1f40866fSVal Packett }; 43*1f40866fSVal Packett 44*1f40866fSVal Packett /* Same order as intelspi_vers */ 45*1f40866fSVal Packett static const struct intelspi_info { 46*1f40866fSVal Packett const char *desc; 47*1f40866fSVal Packett uint32_t reg_lpss_base; 48*1f40866fSVal Packett uint32_t reg_cs_ctrl; 49*1f40866fSVal Packett } intelspi_infos[] = { 50*1f40866fSVal Packett [SPI_BAYTRAIL] = { 51*1f40866fSVal Packett .desc = "Intel Bay Trail SPI Controller", 52*1f40866fSVal Packett .reg_lpss_base = 0x400, 53*1f40866fSVal Packett .reg_cs_ctrl = 0x18, 54*1f40866fSVal Packett }, 55*1f40866fSVal Packett [SPI_BRASWELL] = { 56*1f40866fSVal Packett .desc = "Intel Braswell SPI Controller", 57*1f40866fSVal Packett .reg_lpss_base = 0x400, 58*1f40866fSVal Packett .reg_cs_ctrl = 0x18, 59*1f40866fSVal Packett }, 60*1f40866fSVal Packett [SPI_LYNXPOINT] = { 61*1f40866fSVal Packett .desc = "Intel Lynx Point / Wildcat Point SPI Controller", 62*1f40866fSVal Packett .reg_lpss_base = 0x800, 63*1f40866fSVal Packett .reg_cs_ctrl = 0x18, 64*1f40866fSVal Packett }, 65*1f40866fSVal Packett [SPI_SUNRISEPOINT] = { 66*1f40866fSVal Packett .desc = "Intel Sunrise Point SPI Controller", 67*1f40866fSVal Packett .reg_lpss_base = 0x200, 68*1f40866fSVal Packett .reg_cs_ctrl = 0x24, 69*1f40866fSVal Packett }, 70*1f40866fSVal Packett }; 71*1f40866fSVal Packett 72*1f40866fSVal Packett struct intelspi_softc { 73*1f40866fSVal Packett ACPI_HANDLE sc_handle; 74*1f40866fSVal Packett device_t sc_dev; 75*1f40866fSVal Packett enum intelspi_vers sc_vers; 76*1f40866fSVal Packett struct mtx sc_mtx; 77*1f40866fSVal Packett int sc_mem_rid; 78*1f40866fSVal Packett struct resource *sc_mem_res; 79*1f40866fSVal Packett int sc_irq_rid; 80*1f40866fSVal Packett struct resource *sc_irq_res; 81*1f40866fSVal Packett void *sc_irq_ih; 82*1f40866fSVal Packett struct spi_command *sc_cmd; 83*1f40866fSVal Packett uint32_t sc_len; 84*1f40866fSVal Packett uint32_t sc_read; 85*1f40866fSVal Packett uint32_t sc_flags; 86*1f40866fSVal Packett uint32_t sc_written; 87*1f40866fSVal Packett uint32_t sc_clock; 88*1f40866fSVal Packett uint32_t sc_mode; 89*1f40866fSVal Packett /* LPSS private register storage for suspend-resume */ 90*1f40866fSVal Packett uint32_t sc_regs[9]; 91*1f40866fSVal Packett }; 92*1f40866fSVal Packett 93*1f40866fSVal Packett int intelspi_attach(device_t dev); 94*1f40866fSVal Packett int intelspi_detach(device_t dev); 95*1f40866fSVal Packett int intelspi_transfer(device_t dev, device_t child, struct spi_command *cmd); 96*1f40866fSVal Packett int intelspi_suspend(device_t dev); 97*1f40866fSVal Packett int intelspi_resume(device_t dev); 98*1f40866fSVal Packett 99*1f40866fSVal Packett #endif 100