wl1251: add sdio support (3ec410d7) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/net/wireless/wl12xx/Kconfig

+11 −0

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		@@ -28,6 +28,17 @@ config WL1251_SPI
		If you choose to build a module, it'll be called wl1251_spi.
		Say N if unsure.

		config WL1251_SDIO
		tristate "TI wl1251 SDIO support"
		depends on WL1251 && MMC
		---help---
		This module adds support for the SDIO interface of adapters using
		TI wl1251 chipset. Select this if your platform is using
		the SDIO bus.

		If you choose to build a module, it'll be called
		wl1251_sdio. Say N if unsure.

		config WL1271
		tristate "TI wl1271 support"
		depends on WL12XX && SPI_MASTER && GENERIC_HARDIRQS

drivers/net/wireless/wl12xx/Makefile

+1 −0

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		@@ -5,6 +5,7 @@ wl1251-objs = wl1251_main.o wl1251_event.o \

		obj-$(CONFIG_WL1251) += wl1251.o
		obj-$(CONFIG_WL1251_SPI) += wl1251_spi.o
		obj-$(CONFIG_WL1251_SDIO) += wl1251_sdio.o

		wl1271-objs = wl1271_main.o wl1271_spi.o wl1271_cmd.o \
		wl1271_event.o wl1271_tx.o wl1271_rx.o \

drivers/net/wireless/wl12xx/wl1251_sdio.c

0 → 100644

+188 −0

Original line number	Diff line number	Diff line
		/*
		* wl12xx SDIO routines
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 as
		* published by the Free Software Foundation.
		*
		* This program is distributed in the hope that it will be useful, but
		* WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		* General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
		* 02110-1301 USA
		*
		* Copyright (C) 2005 Texas Instruments Incorporated
		* Copyright (C) 2008 Google Inc
		* Copyright (C) 2009 Bob Copeland (me@bobcopeland.com)
		*/
		#include <linux/module.h>
		#include <linux/crc7.h>
		#include <linux/mod_devicetable.h>
		#include <linux/irq.h>
		#include <linux/mmc/sdio_func.h>
		#include <linux/mmc/sdio_ids.h>
		#include <linux/platform_device.h>

		#include "wl1251.h"
		#include "wl12xx_80211.h"
		#include "reg.h"
		#include "wl1251_ps.h"
		#include "wl1251_io.h"
		#include "wl1251_tx.h"
		#include "wl1251_debugfs.h"

		#ifndef SDIO_VENDOR_ID_TI
		#define SDIO_VENDOR_ID_TI 0x104c
		#endif

		#ifndef SDIO_DEVICE_ID_TI_WL1251
		#define SDIO_DEVICE_ID_TI_WL1251 0x9066
		#endif

		static struct sdio_func wl_to_func(struct wl1251 wl)
		{
		return wl->if_priv;
		}

		static void wl1251_sdio_interrupt(struct sdio_func *func)
		{
		wl1251_irq(0, sdio_get_drvdata(func));
		}

		static const struct sdio_device_id wl1251_devices[] = {
		{ SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1251) },
		{}
		};
		MODULE_DEVICE_TABLE(sdio, wl1251_devices);


		void wl1251_sdio_read(struct wl1251 wl, int addr, void buf, size_t len)
		{
		int ret;
		struct sdio_func *func = wl_to_func(wl);

		sdio_claim_host(func);
		ret = sdio_memcpy_fromio(func, buf, addr, len);
		if (ret)
		wl1251_error("sdio read failed (%d)", ret);
		sdio_release_host(func);
		}

		void wl1251_sdio_write(struct wl1251 wl, int addr, void buf, size_t len)
		{
		int ret;
		struct sdio_func *func = wl_to_func(wl);

		sdio_claim_host(func);
		ret = sdio_memcpy_toio(func, addr, buf, len);
		if (ret)
		wl1251_error("sdio write failed (%d)", ret);
		sdio_release_host(func);
		}

		void wl1251_sdio_reset(struct wl1251 *wl)
		{
		}

		void wl1251_sdio_set_power(bool enable)
		{
		}

		struct wl1251_if_operations wl1251_sdio_ops = {
		.read = wl1251_sdio_read,
		.write = wl1251_sdio_write,
		.reset = wl1251_sdio_reset,
		};

		int wl1251_sdio_probe(struct sdio_func func, const struct sdio_device_id id)
		{
		int ret;
		struct wl1251 *wl;
		struct ieee80211_hw *hw;

		hw = wl1251_alloc_hw();
		if (IS_ERR(hw))
		return PTR_ERR(hw);

		wl = hw->priv;

		sdio_claim_host(func);
		ret = sdio_enable_func(func);
		if (ret)
		goto release;

		sdio_set_block_size(func, 512);

		SET_IEEE80211_DEV(hw, &func->dev);
		wl->if_priv = func;
		wl->if_ops = &wl1251_sdio_ops;
		wl->set_power = wl1251_sdio_set_power;

		sdio_release_host(func);
		ret = wl1251_init_ieee80211(wl);
		sdio_claim_host(func);
		if (ret)
		goto disable;

		ret = sdio_claim_irq(func, wl1251_sdio_interrupt);
		if (ret)
		goto no_irq;

		sdio_release_host(func);
		sdio_set_drvdata(func, wl);
		return ret;

		no_irq:
		wl1251_free_hw(wl);
		disable:
		sdio_disable_func(func);
		release:
		sdio_release_host(func);
		return ret;
		}

		static void __devexit wl1251_sdio_remove(struct sdio_func *func)
		{
		struct wl1251 *wl = sdio_get_drvdata(func);

		wl1251_free_hw(wl);

		sdio_claim_host(func);
		sdio_release_irq(func);
		sdio_disable_func(func);
		sdio_release_host(func);
		}

		static struct sdio_driver wl1251_sdio_driver = {
		.name = "wl1251_sdio",
		.id_table = wl1251_devices,
		.probe = wl1251_sdio_probe,
		.remove = __devexit_p(wl1251_sdio_remove),
		};

		static int __init wl1251_sdio_init(void)
		{
		int err;

		err = sdio_register_driver(&wl1251_sdio_driver);
		if (err)
		wl1251_error("failed to register sdio driver: %d", err);
		return err;
		}

		static void __exit wl1251_sdio_exit(void)
		{
		sdio_unregister_driver(&wl1251_sdio_driver);
		wl1251_notice("unloaded");
		}

		module_init(wl1251_sdio_init);
		module_exit(wl1251_sdio_exit);

		MODULE_LICENSE("GPL");
		MODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>");
		MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");