diff options
Diffstat (limited to 'drivers/misc/modem_if_na/modem.c')
| -rw-r--r-- | drivers/misc/modem_if_na/modem.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/drivers/misc/modem_if_na/modem.c b/drivers/misc/modem_if_na/modem.c deleted file mode 100644 index dde1ea1..0000000 --- a/drivers/misc/modem_if_na/modem.c +++ /dev/null @@ -1,221 +0,0 @@ -/* linux/drivers/modem/modem.c - * - * Copyright (C) 2010 Google, Inc. - * Copyright (C) 2010 Samsung Electronics. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/miscdevice.h> - -#include <linux/uaccess.h> -#include <linux/fs.h> -#include <linux/io.h> -#include <linux/wait.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/mutex.h> -#include <linux/irq.h> -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/wakelock.h> - -#include <linux/platform_data/modem_na.h> -#include "modem_prj.h" -#include "modem_variation.h" - - -static struct modem_ctl *create_modemctl_device(struct platform_device *pdev) -{ - int ret = 0; - struct modem_data *pdata; - struct modem_ctl *modemctl; - struct device *dev = &pdev->dev; - - /* create modem control device */ - modemctl = kzalloc(sizeof(struct modem_ctl), GFP_KERNEL); - if (!modemctl) - return NULL; - - modemctl->dev = dev; - modemctl->phone_state = STATE_OFFLINE; - - pdata = pdev->dev.platform_data; - modemctl->name = pdata->name; - - /* init modemctl device for getting modemctl operations */ - ret = call_modem_init_func(modemctl, pdata); - if (ret) { - printk(KERN_ERR "[MODEM_IF] call_modem_init_func is failed\n"); - kfree(modemctl); - return NULL; - } - - pr_debug("[MODEM_IF] %s:create_modemctl_device DONE\n", modemctl->name); - return modemctl; -} - -static struct io_device *create_io_device(struct modem_io_t *io_t, - struct modem_ctl *modemctl, enum modem_network modem_net) -{ - int ret = 0; - struct io_device *iod = NULL; - - iod = kzalloc(sizeof(struct io_device), GFP_KERNEL); - if (!iod) { - pr_err("[MODEM_IF] io device memory alloc fail\n"); - return NULL; - } - - iod->name = io_t->name; - iod->id = io_t->id; - iod->format = io_t->format; - iod->io_typ = io_t->io_type; - iod->net_typ = modem_net; - - /* link between io device and modem control */ - iod->mc = modemctl; - if (iod->format == IPC_FMT) - modemctl->iod = iod; - - /* register misc device or net device */ - ret = init_io_device(iod); - if (ret) { - kfree(iod); - return NULL; - } - - pr_debug("[MODEM_IF] %s : create_io_device DONE\n", io_t->name); - return iod; -} -static int __devinit modem_probe(struct platform_device *pdev) -{ - int i; - struct modem_data *pdata; - struct modem_ctl *modemctl; - struct io_device *iod[MAX_NUM_IO_DEV]; - struct link_device *ld; - struct io_raw_devices *io_raw_devs = NULL; - - pdata = pdev->dev.platform_data; - memset(iod, 0, sizeof(iod)); - - modemctl = create_modemctl_device(pdev); - if (!modemctl) { - printk(KERN_ERR "[MODEM_IF] modemctl is null\n"); - return -ENOMEM; - } - /* create link device */ - ld = call_link_init_func(pdev, pdata->link_type); - if (!ld) - goto err_free_modemctl; - - io_raw_devs = kzalloc(sizeof(struct io_raw_devices), GFP_KERNEL); - if (!io_raw_devs) { - printk(KERN_ERR "[MODEM_IF] io_raw_devs is null\n"); - return -ENOMEM; - } - - /* create io deivces and connect to modemctl device */ - for (i = 0; i < pdata->num_iodevs; i++) { - iod[i] = create_io_device(&pdata->iodevs[i], modemctl, - pdata->modem_net); - if (!iod[i]) - goto err_free_modemctl; - - if (iod[i]->format == IPC_RAW) { - int ch = iod[i]->id & 0x1F; - io_raw_devs->raw_devices[ch] = iod[i]; - io_raw_devs->num_of_raw_devs++; - iod[i]->link = ld; - } else { - /* connect io devices to one link device */ - ld->attach(ld, iod[i]); - } - - if (iod[i]->format == IPC_MULTI_RAW) - iod[i]->private_data = (void *)io_raw_devs; - } - - platform_set_drvdata(pdev, modemctl); - - pr_debug("[MODEM_IF] modem_probe DONE\n"); - return 0; - -err_free_modemctl: - for (i = 0; i < pdata->num_iodevs; i++) - if (iod[i] != NULL) - kfree(iod[i]); - - if (io_raw_devs != NULL) - kfree(io_raw_devs); - - if (modemctl != NULL) - kfree(modemctl); - - return -ENOMEM; -} - -static void modem_shutdown(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct modem_ctl *mc = dev_get_drvdata(dev); - - if (!mc) - return; - - free_irq(mc->irq_phone_active, mc); - - if (mc->ops.modem_off) - mc->ops.modem_off(mc); -} - -static int modem_suspend(struct device *pdev) -{ - struct modem_ctl *mc = dev_get_drvdata(pdev); - gpio_set_value(mc->gpio_pda_active, 0); - return 0; -} - -static int modem_resume(struct device *pdev) -{ - struct modem_ctl *mc = dev_get_drvdata(pdev); - gpio_set_value(mc->gpio_pda_active, 1); - return 0; -} - -static const struct dev_pm_ops modem_pm_ops = { - .suspend = modem_suspend, - .resume = modem_resume, -}; - -static struct platform_driver modem_driver = { - .probe = modem_probe, - .shutdown = modem_shutdown, - .driver = { - .name = "modem_if", - .pm = &modem_pm_ops, - }, -}; - -static int __init modem_init(void) -{ - return platform_driver_register(&modem_driver); -} - -module_init(modem_init); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Samsung Modem Interface Driver"); |