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3603342263
This patchset provides a fully functional SIR IrDA driver for the Toshiba e7xx PDAs. Signed-off-by: Ian Molton <spyro@f2s.com>
89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
/*
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* Hardware definitions for the Toshiba eseries PDAs
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*
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* Copyright (c) 2003 Ian Molton <spyro@f2s.com>
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*
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* This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <asm/setup.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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#include <mach/mfp-pxa25x.h>
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#include <mach/hardware.h>
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#include <mach/eseries-gpio.h>
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#include <mach/udc.h>
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#include <mach/irda.h>
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#include "generic.h"
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/* Only e800 has 128MB RAM */
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void __init eseries_fixup(struct machine_desc *desc,
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struct tag *tags, char **cmdline, struct meminfo *mi)
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{
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mi->nr_banks=1;
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mi->bank[0].start = 0xa0000000;
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mi->bank[0].node = 0;
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if (machine_is_e800())
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mi->bank[0].size = (128*1024*1024);
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else
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mi->bank[0].size = (64*1024*1024);
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}
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struct pxa2xx_udc_mach_info e7xx_udc_mach_info = {
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.gpio_vbus = GPIO_E7XX_USB_DISC,
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.gpio_pullup = GPIO_E7XX_USB_PULLUP,
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.gpio_pullup_inverted = 1
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};
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static void e7xx_irda_transceiver_mode(struct device *dev, int mode)
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{
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if (mode & IR_OFF) {
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gpio_set_value(GPIO_E7XX_IR_OFF, 1);
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pxa2xx_transceiver_mode(dev, mode);
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} else {
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pxa2xx_transceiver_mode(dev, mode);
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gpio_set_value(GPIO_E7XX_IR_OFF, 0);
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}
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}
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int e7xx_irda_init(void)
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{
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int ret;
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ret = gpio_request(GPIO_E7XX_IR_OFF, "IrDA power");
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if (ret)
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goto out;
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ret = gpio_direction_output(GPIO_E7XX_IR_OFF, 0);
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if (ret)
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goto out;
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e7xx_irda_transceiver_mode(NULL, IR_SIRMODE | IR_OFF);
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out:
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return ret;
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}
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static void e7xx_irda_shutdown(struct device *dev)
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{
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e7xx_irda_transceiver_mode(dev, IR_SIRMODE | IR_OFF);
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gpio_free(GPIO_E7XX_IR_OFF);
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}
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struct pxaficp_platform_data e7xx_ficp_platform_data = {
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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.transceiver_mode = e7xx_irda_transceiver_mode,
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.shutdown = e7xx_irda_shutdown,
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};
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