diff options
Diffstat (limited to 'drivers/video/samsung_duallcd/dsim2/s5p_mipi_dsi.c')
| -rw-r--r-- | drivers/video/samsung_duallcd/dsim2/s5p_mipi_dsi.c | 803 |
1 files changed, 803 insertions, 0 deletions
diff --git a/drivers/video/samsung_duallcd/dsim2/s5p_mipi_dsi.c b/drivers/video/samsung_duallcd/dsim2/s5p_mipi_dsi.c new file mode 100644 index 0000000..29faa03 --- /dev/null +++ b/drivers/video/samsung_duallcd/dsim2/s5p_mipi_dsi.c @@ -0,0 +1,803 @@ +/* linux/drivers/video/s5p_mipi_dsi.c + * + * Samsung SoC MIPI-DSIM driver. + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd + * + * InKi Dae, <inki.dae@samsung.com> + * + * 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. +*/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/clk.h> +#include <linux/mutex.h> +#include <linux/wait.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/fb.h> +#include <linux/ctype.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/memory.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/kthread.h> +#include <linux/notifier.h> +#include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> + +#include <plat/fb.h> +#include <plat/mipi_dsim2.h> + +#include "s5p_mipi_dsi_common.h" +#include "s5p_mipi_dsi_lowlevel.h" + +#define master_to_driver(a) (a->dsim_lcd_drv) +#define master_to_device(a) (a->dsim_lcd_dev) +#define dev_to_dsim(a) platform_get_drvdata(to_platform_device(a)) + +struct mipi_dsim_ddi { + int bus_id; + struct list_head list; + struct mipi_dsim_lcd_device *dsim_lcd_dev; + struct mipi_dsim_lcd_driver *dsim_lcd_drv; +}; + +static LIST_HEAD(dsim_ddi_list); + +static DEFINE_MUTEX(mipi_dsim_lock); + +static struct s5p_platform_mipi_dsim *to_dsim_plat(struct platform_device *pdev) +{ + return (struct s5p_platform_mipi_dsim *)pdev->dev.platform_data; +} + +static int s5p_mipi_regulator_enable(struct mipi_dsim_device *dsim) +{ + int ret = 0; + + mutex_lock(&dsim->lock); + if (dsim->reg_vdd10) { + ret = regulator_enable(dsim->reg_vdd10); + if (ret < 0) { + dev_err(dsim->dev, "failed to enable regulator.\n"); + goto err_vdd10; + } + } + if (dsim->reg_vdd18) { + ret = regulator_enable(dsim->reg_vdd18); + if (ret < 0) { + dev_err(dsim->dev, "failed to enable regulator.\n"); + goto err_vdd18; + } + } + + mutex_unlock(&dsim->lock); + return ret; + +err_vdd18: + ret = regulator_disable(dsim->reg_vdd10); + if (ret < 0) + dev_err(dsim->dev, "failed to disable regulator.\n"); +err_vdd10: + mutex_unlock(&dsim->lock); + return ret; +} + +static int s5p_mipi_regulator_disable(struct mipi_dsim_device *dsim) +{ + int ret = 0; + + mutex_lock(&dsim->lock); + if (dsim->reg_vdd18) { + ret = regulator_disable(dsim->reg_vdd18); + if (ret < 0) { + dev_err(dsim->dev, "failed to disable regulator.\n"); + goto err_vdd18; + } + } + + if (dsim->reg_vdd10) { + ret = regulator_disable(dsim->reg_vdd10); + if (ret < 0) { + dev_err(dsim->dev, "failed to disable regulator.\n"); + goto err_vdd10; + } + } + + mutex_unlock(&dsim->lock); + return ret; + +err_vdd10: + ret = regulator_enable(dsim->reg_vdd18); + if (ret < 0) + dev_err(dsim->dev, "failed to enable regulator.\n"); +err_vdd18: + mutex_unlock(&dsim->lock); + return ret; +} + +/* update all register settings to MIPI DSI controller. */ +static void s5p_mipi_update_cfg(struct mipi_dsim_device *dsim) +{ + /* + * data from Display controller(FIMD) is not transferred in video mode + * but in case of command mode, all settings is not updated to + * registers. + */ + s5p_mipi_dsi_stand_by(dsim, 0); + + s5p_mipi_dsi_init_dsim(dsim); + s5p_mipi_dsi_init_link(dsim); + + s5p_mipi_dsi_set_hs_enable(dsim); + + /* set display timing. */ + s5p_mipi_dsi_set_display_mode(dsim, dsim->dsim_config); + + s5p_mipi_dsi_init_interrupt(dsim); + + /* + * data from Display controller(FIMD) is transferred in video mode + * but in case of command mode, all settigs is updated to registers. + */ + s5p_mipi_dsi_stand_by(dsim, 1); +} + +static int s5p_mipi_dsi_early_blank_mode(struct mipi_dsim_device *dsim, + int power) +{ + switch (power) { + case FB_BLANK_POWERDOWN: + if (!dsim->suspended) + pm_runtime_put_sync(dsim->dev); + + atomic_set(&dsim->early_blank_used_t, 1); + break; + default: + break; + } + + return 0; +} + +static int s5p_mipi_dsi_blank_mode(struct mipi_dsim_device *dsim, int power) +{ + switch (power) { + case FB_BLANK_UNBLANK: + if (dsim->suspended) + pm_runtime_get_sync(dsim->dev); + + atomic_set(&dsim->early_blank_used_t, 0); + break; + case FB_BLANK_NORMAL: + /* TODO. */ + break; + case FB_BLANK_POWERDOWN: + /* + * if this function is called after early fb blank event, + * ignor it. + */ + if (atomic_read(&dsim->early_blank_used_t)) { + atomic_set(&dsim->early_blank_used_t, 0); + break; + } + + if (!dsim->suspended) + pm_runtime_put_sync(dsim->dev); + default: + break; + } + + return 0; +} + +int s5p_mipi_dsi_register_lcd_device(struct mipi_dsim_lcd_device *lcd_dev) +{ + struct mipi_dsim_ddi *dsim_ddi; + + if (!lcd_dev) { + printk(KERN_ERR "mipi_dsim_lcd_device is NULL.\n"); + return -EFAULT; + } + + if (!lcd_dev->name) { + printk(KERN_ERR "dsim_lcd_device name is NULL.\n"); + return -EFAULT; + } + + dsim_ddi = kzalloc(sizeof(struct mipi_dsim_ddi), GFP_KERNEL); + if (!dsim_ddi) { + printk(KERN_ERR "failed to allocate dsim_ddi object.\n"); + return -EFAULT; + } + + dsim_ddi->dsim_lcd_dev = lcd_dev; + + mutex_lock(&mipi_dsim_lock); + list_add_tail(&dsim_ddi->list, &dsim_ddi_list); + mutex_unlock(&mipi_dsim_lock); + + return 0; +} + +struct mipi_dsim_ddi + *s5p_mipi_dsi_find_lcd_device(struct mipi_dsim_lcd_driver *lcd_drv) +{ + struct mipi_dsim_ddi *dsim_ddi; + struct mipi_dsim_lcd_device *lcd_dev; + + mutex_lock(&mipi_dsim_lock); + + list_for_each_entry(dsim_ddi, &dsim_ddi_list, list) { + if (!dsim_ddi) + goto out; + + lcd_dev = dsim_ddi->dsim_lcd_dev; + if (!lcd_dev) + continue; + + if (lcd_drv->id >= 0) { + if ((strcmp(lcd_drv->name, lcd_dev->name)) == 0 && + lcd_drv->id == lcd_dev->id) { + /** + * bus_id would be used to identify + * connected bus. + */ + dsim_ddi->bus_id = lcd_dev->bus_id; + mutex_unlock(&mipi_dsim_lock); + + return dsim_ddi; + } + } else { + if ((strcmp(lcd_drv->name, lcd_dev->name)) == 0) { + /** + * bus_id would be used to identify + * connected bus. + */ + dsim_ddi->bus_id = lcd_dev->bus_id; + mutex_unlock(&mipi_dsim_lock); + + return dsim_ddi; + } + } + } + +out: + mutex_unlock(&mipi_dsim_lock); + + return NULL; +} + +int s5p_mipi_dsi_register_lcd_driver(struct mipi_dsim_lcd_driver *lcd_drv) +{ + struct mipi_dsim_ddi *dsim_ddi; + + if (!lcd_drv) { + printk(KERN_ERR "mipi_dsim_lcd_driver is NULL.\n"); + return -EFAULT; + } + + if (!lcd_drv->name) { + printk(KERN_ERR "dsim_lcd_driver name is NULL.\n"); + return -EFAULT; + } + + dsim_ddi = s5p_mipi_dsi_find_lcd_device(lcd_drv); + if (!dsim_ddi) { + printk(KERN_ERR "mipi_dsim_ddi object not found.\n"); + return -EFAULT; + } + + dsim_ddi->dsim_lcd_drv = lcd_drv; + + printk(KERN_INFO "registered panel driver(%s) to mipi-dsi driver.\n", + lcd_drv->name); + + return 0; + +} + +struct mipi_dsim_ddi + *s5p_mipi_dsi_bind_lcd_ddi(struct mipi_dsim_device *dsim, + const char *name) +{ + struct mipi_dsim_ddi *dsim_ddi; + struct mipi_dsim_lcd_driver *lcd_drv; + struct mipi_dsim_lcd_device *lcd_dev; + int ret; + + mutex_lock(&dsim->lock); + + list_for_each_entry(dsim_ddi, &dsim_ddi_list, list) { + lcd_drv = dsim_ddi->dsim_lcd_drv; + lcd_dev = dsim_ddi->dsim_lcd_dev; + if (!lcd_drv || !lcd_dev || + (dsim->id != dsim_ddi->bus_id)) + continue; + + dev_dbg(dsim->dev, "lcd_drv->id = %d, lcd_dev->id = %d\n", + lcd_drv->id, lcd_dev->id); + dev_dbg(dsim->dev, "lcd_dev->bus_id = %d, dsim->id = %d\n", + lcd_dev->bus_id, dsim->id); + + if ((strcmp(lcd_drv->name, name) == 0)) { + lcd_dev->master = dsim; + + lcd_dev->dev.parent = dsim->dev; + dev_set_name(&lcd_dev->dev, "%s", lcd_drv->name); + + ret = device_register(&lcd_dev->dev); + if (ret < 0) { + dev_err(dsim->dev, + "can't register %s, status %d\n", + dev_name(&lcd_dev->dev), ret); + mutex_unlock(&dsim->lock); + + return NULL; + } + + dsim->dsim_lcd_dev = lcd_dev; + dsim->dsim_lcd_drv = lcd_drv; + + mutex_unlock(&dsim->lock); + + return dsim_ddi; + } + } + + mutex_unlock(&dsim->lock); + + return NULL; +} + +static void s5p_mipi_dsi_set_pms(struct mipi_dsim_device *dsim, unsigned int p, + unsigned int m, unsigned int s, unsigned int freq_band) +{ + s5p_mipi_dsi_set_pll_pms(dsim, p, m, s); + s5p_mipi_dsi_pll_freq_band(dsim, freq_band); + s5p_mipi_dsi_pll_stable_time(dsim, + dsim->dsim_config->pll_stable_time); + dsim->dsim_config->p = p; + dsim->dsim_config->m = m; + dsim->dsim_config->s = s; +} + +/* define MIPI-DSI Master operations. */ +static struct mipi_dsim_master_ops master_ops = { + .cmd_read = s5p_mipi_dsi_rd_data, + .cmd_write = s5p_mipi_dsi_wr_data, + .get_dsim_frame_done = s5p_mipi_dsi_get_frame_done_status, + .clear_dsim_frame_done = s5p_mipi_dsi_clear_frame_done, + .set_early_blank_mode = s5p_mipi_dsi_early_blank_mode, + .set_blank_mode = s5p_mipi_dsi_blank_mode, + .set_pms = s5p_mipi_dsi_set_pms, +}; + +static int s5p_mipi_dsi_notifier(unsigned int val, void *data) +{ + struct mipi_dsim_device *dsim = (struct mipi_dsim_device *)data; + int ret; + + ret = s5p_mipi_regulator_enable(dsim); + if (ret < 0) + return ret; + + ret = clk_enable(dsim->clock); + if (ret < 0) { + dev_err(dsim->dev, "failed to enable clock.\n"); + /* it doesn't need error check. */ + s5p_mipi_regulator_disable(dsim); + return ret; + } + + /* it doesn't need error check. */ + s5p_mipi_dsi_fifo_clear(dsim, val); + + clk_disable(dsim->clock); + return s5p_mipi_regulator_disable(dsim); +} + +static int register_notif_to_fimd(struct mipi_dsim_device *dsim) +{ + return fimd_register_client(s5p_mipi_dsi_notifier, + (void *)dsim); +} + +static int s5p_mipi_dsi_power_on(struct mipi_dsim_device *dsim, bool enable) +{ + struct mipi_dsim_lcd_driver *client_drv = master_to_driver(dsim); + struct mipi_dsim_lcd_device *client_dev = master_to_device(dsim); + struct platform_device *pdev = to_platform_device(dsim->dev); + + if (enable != false && enable != true) + return -EINVAL; + + if (enable) { + int ret; + + if (!dsim->suspended) + return 0; + + /* lcd panel power on. */ + if (client_drv && client_drv->power_on) + client_drv->power_on(client_dev, 1); + + ret = s5p_mipi_regulator_enable(dsim); + if (ret < 0) { + client_drv->power_on(client_dev, 0); + return ret; + } + + ret = clk_enable(dsim->clock); + if (ret < 0) { + dev_err(dsim->dev, "failed to enable clock.\n"); + /* it doesn't need error check. */ + s5p_mipi_regulator_disable(dsim); + client_drv->power_on(client_dev, 0); + return ret; + } + + /* enable MIPI-DSI PHY. */ + if (dsim->pd->phy_enable) + dsim->pd->phy_enable(pdev, true); + + s5p_mipi_update_cfg(dsim); + + /* set lcd panel sequence commands. */ + if (client_drv && client_drv->set_sequence) + client_drv->set_sequence(client_dev); + + dsim->suspended = false; + } else { + if (dsim->suspended) + return 0; + + if (client_drv && client_drv->suspend) + client_drv->suspend(client_dev); + + if (client_drv && client_drv->power_on) + client_drv->power_on(client_dev, 0); + + clk_disable(dsim->clock); + + dsim->suspended = true; + + return s5p_mipi_regulator_disable(dsim); + } + + return 0; +} + +static int s5p_mipi_dsi_probe(struct platform_device *pdev) +{ + struct resource *res; + struct mipi_dsim_device *dsim; + struct mipi_dsim_config *dsim_config; + struct s5p_platform_mipi_dsim *dsim_pd; + struct mipi_dsim_lcd_driver *client_drv; + struct mipi_dsim_ddi *dsim_ddi; + int ret = -EINVAL; + + dsim = kzalloc(sizeof(struct mipi_dsim_device), GFP_KERNEL); + if (!dsim) { + dev_err(&pdev->dev, "failed to allocate dsim object.\n"); + return -EFAULT; + } + + dsim->pd = to_dsim_plat(pdev); + dsim->dev = &pdev->dev; + dsim->id = pdev->id; + + /* get s5p_platform_mipi_dsim. */ + dsim_pd = (struct s5p_platform_mipi_dsim *)dsim->pd; + if (dsim_pd == NULL) { + dev_err(&pdev->dev, "failed to get platform data for dsim.\n"); + ret = -EFAULT; + goto err_free; + } + /* get mipi_dsim_config. */ + dsim_config = dsim_pd->dsim_config; + if (dsim_config == NULL) { + dev_err(&pdev->dev, "failed to get dsim config data.\n"); + ret = -EFAULT; + goto err_free; + } + + dsim->dsim_config = dsim_config; + dsim->master_ops = &master_ops; + + mutex_init(&dsim->lock); + + dsim->reg_vdd10 = regulator_get(&pdev->dev, "VDD10"); + if (IS_ERR(dsim->reg_vdd10)) { + ret = PTR_ERR(dsim->reg_vdd10); + dev_err(&pdev->dev, "failed to get %s regulator (%d)\n", + "VDD10", ret); + dsim->reg_vdd10 = NULL; + } + + dsim->reg_vdd18 = regulator_get(&pdev->dev, "VDD18"); + if (IS_ERR(dsim->reg_vdd18)) { + ret = PTR_ERR(dsim->reg_vdd18); + dev_err(&pdev->dev, "failed to get %s regulator (%d)\n", + "VDD18", ret); + dsim->reg_vdd18 = NULL; + } + dsim->clock = clk_get(&pdev->dev, "dsim0"); + if (IS_ERR(dsim->clock)) { + dev_err(&pdev->dev, "failed to get dsim clock source\n"); + goto err_regulator; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "failed to get io memory region\n"); + goto err_put_clk; + } + + dsim->res = request_mem_region(res->start, resource_size(res), + dev_name(&pdev->dev)); + if (!dsim->res) { + dev_err(&pdev->dev, "failed to request io memory region\n"); + ret = -ENOMEM; + goto err_release_res; + } + + dsim->reg_base = ioremap(res->start, resource_size(res)); + if (!dsim->reg_base) { + dev_err(&pdev->dev, "failed to remap io region\n"); + ret = -EFAULT; + goto err_release_mem; + } + + dsim->irq = platform_get_irq(pdev, 0); + if (dsim->irq < 0) { + dev_err(&pdev->dev, "failed to request dsim irq resource\n"); + ret = -EINVAL; + goto err_unmap; + } + + ret = request_irq(dsim->irq, s5p_mipi_dsi_interrupt_handler, + IRQF_SHARED, pdev->name, dsim); + if (ret != 0) { + dev_err(&pdev->dev, "failed to request dsim irq\n"); + ret = -EINVAL; + goto err_unmap; + } + + /* bind lcd ddi matched with panel name. */ + dsim_ddi = s5p_mipi_dsi_bind_lcd_ddi(dsim, dsim_pd->lcd_panel_name); + if (!dsim_ddi) { + dev_err(&pdev->dev, "mipi_dsim_ddi object not found.\n"); + goto err_free_irq; + } + + /* register a callback called by fimd. */ + ret = register_notif_to_fimd(dsim); + if (ret < 0) { + dev_err(&pdev->dev, "failed to register fimd notifier.\n"); + fimd_unregister_client(s5p_mipi_dsi_notifier); + + goto err_free_irq; + } + + init_completion(&dsim_wr_comp); + init_completion(&dsim_rd_comp); + mutex_init(&dsim->lock); + + client_drv = dsim_ddi->dsim_lcd_drv; + + /* initialize mipi-dsi client(lcd panel). */ + if (client_drv && client_drv->probe) + client_drv->probe(dsim_ddi->dsim_lcd_dev); + + platform_set_drvdata(pdev, dsim); + + /* in case that mipi got enabled at bootloader. */ + if (dsim_pd->enabled) { + ret = s5p_mipi_regulator_enable(dsim); + if (ret < 0) + goto err_regulator_enable; + + ret = pm_runtime_set_active(&pdev->dev); + if (ret < 0) { + dev_err(&pdev->dev, "failed to active pm runtime.\n"); + goto err_pm_runtime_active; + } + + s5p_mipi_dsi_init_interrupt(dsim); + + if (client_drv && client_drv->check_mtp) + client_drv->check_mtp(dsim_ddi->dsim_lcd_dev); + + /* set lcd panel sequence commands. */ + if (client_drv && client_drv->set_sequence) + client_drv->set_sequence(dsim_ddi->dsim_lcd_dev); + } else { + /* TODO: + * add check_mtp callback function + * if mipi dsim is off on bootloader, it causes kernel panic */ + pm_runtime_set_suspended(&pdev->dev); + dsim->suspended = true; + } + + pm_runtime_enable(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) { + dev_err(&pdev->dev, "failed to get pm runtime.\n"); + pm_runtime_disable(&pdev->dev); + goto err_regulator_enable; + } + + dev_info(&pdev->dev, "mipi-dsi driver(%s mode) has been probed.\n", + (dsim_config->e_interface == DSIM_COMMAND) ? + "CPU" : "RGB"); + + return 0; + +err_pm_runtime_active: + /* it doesn't need error check. */ + s5p_mipi_regulator_disable(dsim); + +err_regulator_enable: + if (client_drv && client_drv->remove) + client_drv->remove(dsim_ddi->dsim_lcd_dev); + +err_free_irq: + free_irq(dsim->irq, dsim); + +err_unmap: + iounmap((void __iomem *) dsim->reg_base); + +err_release_mem: + release_mem_region(dsim->res->start, resource_size(dsim->res)); + +err_release_res: + release_resource(dsim->res); + +err_put_clk: + clk_disable(dsim->clock); + clk_put(dsim->clock); + +err_regulator: + regulator_put(dsim->reg_vdd18); + regulator_put(dsim->reg_vdd10); + +err_free: + kfree(dsim); + return ret; +} + +static int __devexit s5p_mipi_dsi_remove(struct platform_device *pdev) +{ + struct mipi_dsim_device *dsim = platform_get_drvdata(pdev); + struct mipi_dsim_ddi *dsim_ddi; + struct mipi_dsim_lcd_driver *dsim_lcd_drv; + + iounmap(dsim->reg_base); + + s5p_mipi_regulator_disable(dsim); + regulator_put(dsim->reg_vdd18); + regulator_put(dsim->reg_vdd10); + + clk_disable(dsim->clock); + clk_put(dsim->clock); + + release_resource(dsim->res); + release_mem_region(dsim->res->start, resource_size(dsim->res)); + + list_for_each_entry(dsim_ddi, &dsim_ddi_list, list) { + if (dsim_ddi) { + if (dsim->id != dsim_ddi->bus_id) + continue; + + dsim_lcd_drv = dsim_ddi->dsim_lcd_drv; + + if (dsim_lcd_drv->remove) + dsim_lcd_drv->remove(dsim_ddi->dsim_lcd_dev); + + list_del(&dsim_ddi->list); + kfree(dsim_ddi); + } + } + + kfree(dsim); + + return 0; +} + +#ifdef CONFIG_PM +static int s5p_mipi_dsi_suspend(struct device *dev) +{ + struct mipi_dsim_device *dsim = dev_to_dsim(dev); + + if (pm_runtime_suspended(dev)) + return 0; + + /* + * do not use pm_runtime_suspend(). if pm_runtime_suspend() is + * called here, an error would be returned by that interface + * because the usage_count of pm runtime is more than 1. + */ + return s5p_mipi_dsi_power_on(dsim, false); +} + +static int s5p_mipi_dsi_resume(struct device *dev) +{ + struct mipi_dsim_device *dsim = dev_to_dsim(dev); + + /* + * if entering to sleep when lcd panel is on, the usage_count + * of pm runtime would still be 1 so in this case, mipi dsi driver + * should be on directly not drawing on pm runtime interface. + */ + if (!pm_runtime_suspended(dev)) + return s5p_mipi_dsi_power_on(dsim, true); + + return 0; +} + +static int s5p_mipi_dsi_runtime_suspend(struct device *dev) +{ + struct mipi_dsim_device *dsim = dev_to_dsim(dev); + + return s5p_mipi_dsi_power_on(dsim, false); +} + +static int s5p_mipi_dsi_runtime_resume(struct device *dev) +{ + struct mipi_dsim_device *dsim = dev_to_dsim(dev); + + return s5p_mipi_dsi_power_on(dsim, true); +} + +static const struct dev_pm_ops s5p_mipi_dsi_pm_ops = { + .suspend = s5p_mipi_dsi_suspend, + .resume = s5p_mipi_dsi_resume, +#ifdef CONFIG_HIBERNATION + .freeze = s5p_mipi_dsi_suspend, + .thaw = s5p_mipi_dsi_resume, + .restore = s5p_mipi_dsi_resume, +#endif + .runtime_suspend = s5p_mipi_dsi_runtime_suspend, + .runtime_resume = s5p_mipi_dsi_runtime_resume, +}; +#endif + +static struct platform_driver s5p_mipi_dsi_driver = { + .probe = s5p_mipi_dsi_probe, + .remove = __devexit_p(s5p_mipi_dsi_remove), + .driver = { + .name = "s5p-mipi-dsim", + .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &s5p_mipi_dsi_pm_ops, +#endif + }, +}; + +static int s5p_mipi_dsi_register(void) +{ + platform_driver_register(&s5p_mipi_dsi_driver); + + return 0; +} + +static void s5p_mipi_dsi_unregister(void) +{ + platform_driver_unregister(&s5p_mipi_dsi_driver); +} + +late_initcall(s5p_mipi_dsi_register); +module_exit(s5p_mipi_dsi_unregister); + +MODULE_AUTHOR("InKi Dae <inki.dae@samsung.com>"); +MODULE_DESCRIPTION("Samusung SoC MIPI-DSI driver"); +MODULE_LICENSE("GPL"); |