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fsl_sdhci.c
(29.52 KB)
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sdhci.c
(77.95 KB)
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sdhci.h
(17.13 KB)
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sdhci_acpi.c
(12.64 KB)
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sdhci_fdt.c
(15.6 KB)
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sdhci_fdt_gpio.c
(6.91 KB)
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sdhci_fdt_gpio.h
(2.87 KB)
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sdhci_fsl_fdt.c
(18.46 KB)
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sdhci_if.m
(4.74 KB)
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sdhci_pci.c
(15.79 KB)
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sdhci_xenon.c
(17.32 KB)
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sdhci_xenon.h
(3.79 KB)
Editing: sdhci_fdt_gpio.h
/*- * Copyright (c) 2017 Ian Lepore <ian@freebsd.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ /* * Support routines usable by any SoC sdhci bridge driver that uses gpio pins * for card detect and/or write protect, and uses FDT data to describe those * pins. A bridge driver need only supply a couple 2-line forwarding functions * to connect the get_present and get_readonly accessors to the corresponding * driver interface functions, and add setup/teardown calls to its attach and * detach functions. */ #ifndef _SDHCI_FDT_GPIO_H_ #define _SDHCI_FDT_GPIO_H_ struct sdhci_slot; struct sdhci_fdt_gpio; /* * sdhci_fdt_gpio_setup() * sdhci_fdt_gpio_teardown() * * Process FDT properties that use gpio pins and set up interrupt handling (if * supported by hardware) and accessor functions to read the pins. * * Setup cannot fail. If the properties are not present, the accessors will * return the values from standard sdhci registers. If the gpio controller * can't trigger interrupts on both edges, it configures the slot to use polling * for card presence detection. If it can't access the gpio pin at all it sets * up the get_present() accessor to always return true. Likewise the * get_readonly() accessor always returns false if its pin can't be accessed. */ struct sdhci_fdt_gpio *sdhci_fdt_gpio_setup(device_t dev, struct sdhci_slot *slot); void sdhci_fdt_gpio_teardown(struct sdhci_fdt_gpio *gpio); /* * sdhci_fdt_gpio_get_present() * sdhci_fdt_gpio_get_readonly() * * Gpio pin state accessor functions. */ bool sdhci_fdt_gpio_get_present(struct sdhci_fdt_gpio *gpio); int sdhci_fdt_gpio_get_readonly(struct sdhci_fdt_gpio *gpio); #endif
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