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author | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-25 21:44:51 +0100 |
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committer | Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de> | 2015-10-25 21:44:51 +0100 |
commit | 5e64624059d6f984f4304abf336cce05cdb0212f (patch) | |
tree | 95fff68ddba9921771d458d755c87489a5fccf08 /drivers/misc/modem_if_u1/modem_modemctl_device_xmm6260.c | |
parent | b673969b102cece38c5de54d35617425459174f5 (diff) | |
download | kernel_samsung_smdk4412-5e64624059d6f984f4304abf336cce05cdb0212f.zip kernel_samsung_smdk4412-5e64624059d6f984f4304abf336cce05cdb0212f.tar.gz kernel_samsung_smdk4412-5e64624059d6f984f4304abf336cce05cdb0212f.tar.bz2 |
remove more unused drivers, readd accidentally removed iommu, reenable graphics settings
Diffstat (limited to 'drivers/misc/modem_if_u1/modem_modemctl_device_xmm6260.c')
-rw-r--r-- | drivers/misc/modem_if_u1/modem_modemctl_device_xmm6260.c | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/drivers/misc/modem_if_u1/modem_modemctl_device_xmm6260.c b/drivers/misc/modem_if_u1/modem_modemctl_device_xmm6260.c deleted file mode 100644 index c2d5067..0000000 --- a/drivers/misc/modem_if_u1/modem_modemctl_device_xmm6260.c +++ /dev/null @@ -1,303 +0,0 @@ -/* /linux/drivers/misc/modem_if/modem_modemctl_device_xmm6260.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/irq.h> -#include <linux/interrupt.h> -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/platform_device.h> - -#include <linux/platform_data/modem.h> -#include "modem_prj.h" - -static int xmm6260_on(struct modem_ctl *mc) -{ - mif_info("xmm6260_on()\n"); - - if (!mc->gpio_cp_reset || !mc->gpio_cp_on || !mc->gpio_reset_req_n) { - mif_err("no gpio data\n"); - return -ENXIO; - } - - if (mc->gpio_revers_bias_clear) - mc->gpio_revers_bias_clear(); - - - gpio_set_value(mc->gpio_cp_on, 0); - gpio_set_value(mc->gpio_cp_reset, 0); - udelay(160); - gpio_set_value(mc->gpio_pda_active, 0); - msleep(500); /* must be >500ms for CP can boot up under -20 degrees */ - gpio_set_value(mc->gpio_cp_reset, 1); - udelay(160); - gpio_set_value(mc->gpio_reset_req_n, 1); - udelay(160); - gpio_set_value(mc->gpio_cp_on, 1); - udelay(60); - gpio_set_value(mc->gpio_cp_on, 0); - msleep(20); - - if (mc->gpio_revers_bias_restore) - mc->gpio_revers_bias_restore(); - - - gpio_set_value(mc->gpio_pda_active, 1); - - mc->phone_state = STATE_BOOTING; - - return 0; - -} - -static int xmm6260_off(struct modem_ctl *mc) -{ - mif_info("xmm6260_off()\n"); - - if (!mc->gpio_cp_reset || !mc->gpio_cp_on) { - mif_err("no gpio data\n"); - return -ENXIO; - } - - gpio_set_value(mc->gpio_cp_on, 0); - gpio_set_value(mc->gpio_cp_reset, 0); - - mc->phone_state = STATE_OFFLINE; - - return 0; -} - - -static int xmm6260_reset(struct modem_ctl *mc) -{ - - mif_info("xmm6260_reset()\n"); - - if (!mc->gpio_cp_reset || !mc->gpio_reset_req_n) - return -ENXIO; - - if (mc->gpio_revers_bias_clear) - mc->gpio_revers_bias_clear(); - - gpio_set_value(mc->gpio_cp_reset, 0); - gpio_set_value(mc->gpio_reset_req_n, 0); - - mc->phone_state = STATE_OFFLINE; - - msleep(20); - - gpio_set_value(mc->gpio_cp_reset, 1); -/* TODO: check the reset timming with C2C connection */ - udelay(160); - - gpio_set_value(mc->gpio_reset_req_n, 1); - udelay(100); - - gpio_set_value(mc->gpio_cp_on, 1); - udelay(60); - gpio_set_value(mc->gpio_cp_on, 0); - msleep(20); - - if (mc->gpio_revers_bias_restore) - mc->gpio_revers_bias_restore(); - - mc->phone_state = STATE_BOOTING; - - return 0; -} - -static int xmm6260_boot_on(struct modem_ctl *mc) -{ - mif_info("xmm6260_boot_on()\n"); - - if (!mc->gpio_flm_uart_sel) { - mif_err("no gpio data\n"); - return -ENXIO; - } - - gpio_set_value(mc->gpio_flm_uart_sel, 0); - - return 0; -} - -static int xmm6260_boot_off(struct modem_ctl *mc) -{ - mif_info("xmm6260_boot_off()\n"); - - if (!mc->gpio_flm_uart_sel) { - mif_err("no gpio data\n"); - return -ENXIO; - } - - gpio_set_value(mc->gpio_flm_uart_sel, 1); - - return 0; -} - -static irqreturn_t phone_active_irq_handler(int irq, void *_mc) -{ - int phone_reset = 0; - int phone_active_value = 0; - int cp_dump_value = 0; - int phone_state = 0; - struct modem_ctl *mc = (struct modem_ctl *)_mc; - struct link_device *ld; - - disable_irq_nosync(mc->irq_phone_active); - - if (!mc->gpio_cp_reset || !mc->gpio_phone_active || - !mc->gpio_cp_dump_int) { - mif_err("no gpio data\n"); - return IRQ_HANDLED; - } - - phone_reset = gpio_get_value(mc->gpio_cp_reset); - phone_active_value = gpio_get_value(mc->gpio_phone_active); - cp_dump_value = gpio_get_value(mc->gpio_cp_dump_int); - - mif_info("PA EVENT : reset =%d, pa=%d, cp_dump=%d\n", - phone_reset, phone_active_value, cp_dump_value); - - if (phone_reset && phone_active_value) - phone_state = STATE_BOOTING; - else if (phone_reset && !phone_active_value) { - if (mc->phone_state == STATE_BOOTING) - goto set_type; - if (cp_dump_value) - phone_state = STATE_CRASH_EXIT; - else - phone_state = STATE_CRASH_RESET; - if (mc->iod) { - ld = get_current_link(mc->iod); - if (ld->terminate_comm) - ld->terminate_comm(ld, mc->iod); - } - } else - phone_state = STATE_OFFLINE; - - if (mc->iod && mc->iod->modem_state_changed) - mc->iod->modem_state_changed(mc->iod, phone_state); - - if (mc->bootd && mc->bootd->modem_state_changed) - mc->bootd->modem_state_changed(mc->bootd, phone_state); - -set_type: - if (phone_active_value) - irq_set_irq_type(mc->irq_phone_active, IRQ_TYPE_LEVEL_LOW); - else - irq_set_irq_type(mc->irq_phone_active, IRQ_TYPE_LEVEL_HIGH); - enable_irq(mc->irq_phone_active); - - return IRQ_HANDLED; -} - -static irqreturn_t sim_detect_irq_handler(int irq, void *_mc) -{ - struct modem_ctl *mc = (struct modem_ctl *)_mc; - - if (mc->iod && mc->iod->sim_state_changed) - mc->iod->sim_state_changed(mc->iod, - !gpio_get_value(mc->gpio_sim_detect)); - - return IRQ_HANDLED; -} - -static void xmm6260_get_ops(struct modem_ctl *mc) -{ - mc->ops.modem_on = xmm6260_on; - mc->ops.modem_off = xmm6260_off; - mc->ops.modem_reset = xmm6260_reset; - mc->ops.modem_boot_on = xmm6260_boot_on; - mc->ops.modem_boot_off = xmm6260_boot_off; -} - -int xmm6260_init_modemctl_device(struct modem_ctl *mc, - struct modem_data *pdata) -{ - int ret; - struct platform_device *pdev; - - mc->gpio_cp_on = pdata->gpio_cp_on; - mc->gpio_reset_req_n = pdata->gpio_reset_req_n; - mc->gpio_cp_reset = pdata->gpio_cp_reset; - mc->gpio_pda_active = pdata->gpio_pda_active; - mc->gpio_phone_active = pdata->gpio_phone_active; - mc->gpio_cp_dump_int = pdata->gpio_cp_dump_int; - mc->gpio_flm_uart_sel = pdata->gpio_flm_uart_sel; - mc->gpio_cp_warm_reset = pdata->gpio_cp_warm_reset; - mc->gpio_revers_bias_clear = pdata->gpio_revers_bias_clear; - mc->gpio_revers_bias_restore = pdata->gpio_revers_bias_restore; - mc->gpio_sim_detect = pdata->gpio_sim_detect; - - pdev = to_platform_device(mc->dev); - /* mc->irq_phone_active = platform_get_irq(pdev, 0); */ - mc->irq_phone_active = gpio_to_irq(mc->gpio_phone_active); - - if (mc->gpio_sim_detect) - mc->irq_sim_detect = gpio_to_irq(mc->gpio_sim_detect); - - xmm6260_get_ops(mc); - - /* initialize phone active */ - ret = request_irq(mc->irq_phone_active, phone_active_irq_handler, - IRQF_NO_SUSPEND | IRQF_TRIGGER_HIGH, - "phone_active", mc); - if (ret) { - mif_err("failed to request_irq:%d\n", ret); - goto err_phone_active_request_irq; - } - - ret = enable_irq_wake(mc->irq_phone_active); - if (ret) { - mif_err("failed to enable_irq_wake:%d\n", ret); - goto err_phone_active_set_wake_irq; - } - - /* initialize sim_state if gpio_sim_detect exists */ - mc->sim_state.online = false; - mc->sim_state.changed = false; - if (mc->gpio_sim_detect) { - ret = request_irq(mc->irq_sim_detect, sim_detect_irq_handler, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "sim_detect", mc); - if (ret) { - mif_err("failed to request_irq: %d\n", ret); - goto err_sim_detect_request_irq; - } - - ret = enable_irq_wake(mc->irq_sim_detect); - if (ret) { - mif_err("failed to enable_irq_wake: %d\n", ret); - goto err_sim_detect_set_wake_irq; - } - - /* initialize sim_state => insert: gpio=0, remove: gpio=1 */ - mc->sim_state.online = !gpio_get_value(mc->gpio_sim_detect); - } - - return ret; - -err_sim_detect_set_wake_irq: - free_irq(mc->irq_sim_detect, mc); -err_sim_detect_request_irq: - mc->sim_state.online = false; - mc->sim_state.changed = false; -err_phone_active_set_wake_irq: - free_irq(mc->irq_phone_active, mc); -err_phone_active_request_irq: - return ret; -} |