S: Maintained
F: drivers/iommu/exynos-iommu.c
-EXYNOS MIPI DISPLAY DRIVERS
-M: Inki Dae <inki.dae@samsung.com>
-M: Donghwa Lee <dh09.lee@samsung.com>
-M: Kyungmin Park <kyungmin.park@samsung.com>
-L: linux-fbdev@vger.kernel.org
-S: Maintained
-F: drivers/video/fbdev/exynos/exynos_mipi*
-F: include/video/exynos_mipi*
-
EZchip NPS platform support
M: Noam Camus <noamc@ezchip.com>
S: Supported
source "drivers/video/fbdev/omap/Kconfig"
source "drivers/video/fbdev/omap2/Kconfig"
-source "drivers/video/fbdev/exynos/Kconfig"
source "drivers/video/fbdev/mmp/Kconfig"
config FB_SH_MOBILE_MERAM
obj-y += core/
-obj-$(CONFIG_EXYNOS_VIDEO) += exynos/
-
obj-$(CONFIG_FB_MACMODES) += macmodes.o
obj-$(CONFIG_FB_WMT_GE_ROPS) += wmt_ge_rops.o
+++ /dev/null
-#
-# Exynos Video configuration
-#
-
-menuconfig EXYNOS_VIDEO
- tristate "Exynos Video driver support"
- depends on ARCH_S5PV210 || ARCH_EXYNOS
- help
- This enables support for EXYNOS Video device.
-
-if EXYNOS_VIDEO
-
-#
-# MIPI DSI driver
-#
-
-config EXYNOS_MIPI_DSI
- tristate "EXYNOS MIPI DSI driver support."
- select GENERIC_PHY
- help
- This enables support for MIPI-DSI device.
-
-config EXYNOS_LCD_S6E8AX0
- tristate "S6E8AX0 MIPI AMOLED LCD Driver"
- depends on EXYNOS_MIPI_DSI && BACKLIGHT_CLASS_DEVICE
- depends on (LCD_CLASS_DEVICE = y)
- default n
- help
- If you have an S6E8AX0 MIPI AMOLED LCD Panel, say Y to enable its
- LCD control driver.
-
-endif # EXYNOS_VIDEO
+++ /dev/null
-#
-# Makefile for the exynos video drivers.
-#
-
-obj-$(CONFIG_EXYNOS_MIPI_DSI) += exynos-mipi-dsi-mod.o
-
-exynos-mipi-dsi-mod-objs += exynos_mipi_dsi.o exynos_mipi_dsi_common.o \
- exynos_mipi_dsi_lowlevel.o
-obj-$(CONFIG_EXYNOS_LCD_S6E8AX0) += s6e8ax0.o
+++ /dev/null
-/* linux/drivers/video/exynos/exynos_mipi_dsi.c
- *
- * Samsung SoC MIPI-DSIM driver.
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd
- *
- * InKi Dae, <inki.dae@samsung.com>
- * Donghwa Lee, <dh09.lee@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/phy/phy.h>
-#include <linux/regulator/consumer.h>
-#include <linux/pm_runtime.h>
-#include <linux/err.h>
-
-#include <video/exynos_mipi_dsim.h>
-
-#include "exynos_mipi_dsi_common.h"
-#include "exynos_mipi_dsi_lowlevel.h"
-
-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 mipi_dsim_platform_data *to_dsim_plat(struct platform_device
- *pdev)
-{
- return pdev->dev.platform_data;
-}
-
-static struct regulator_bulk_data supplies[] = {
- { .supply = "vdd11", },
- { .supply = "vdd18", },
-};
-
-static int exynos_mipi_regulator_enable(struct mipi_dsim_device *dsim)
-{
- int ret;
-
- mutex_lock(&dsim->lock);
- ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies);
- mutex_unlock(&dsim->lock);
-
- return ret;
-}
-
-static int exynos_mipi_regulator_disable(struct mipi_dsim_device *dsim)
-{
- int ret;
-
- mutex_lock(&dsim->lock);
- ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies);
- mutex_unlock(&dsim->lock);
-
- return ret;
-}
-
-/* update all register settings to MIPI DSI controller. */
-static void exynos_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.
- */
- exynos_mipi_dsi_stand_by(dsim, 0);
-
- exynos_mipi_dsi_init_dsim(dsim);
- exynos_mipi_dsi_init_link(dsim);
-
- exynos_mipi_dsi_set_hs_enable(dsim);
-
- /* set display timing. */
- exynos_mipi_dsi_set_display_mode(dsim, dsim->dsim_config);
-
- exynos_mipi_dsi_init_interrupt(dsim);
-
- /*
- * data from Display controller(FIMD) is transferred in video mode
- * but in case of command mode, all settings are updated to registers.
- */
- exynos_mipi_dsi_stand_by(dsim, 1);
-}
-
-static int exynos_mipi_dsi_early_blank_mode(struct mipi_dsim_device *dsim,
- int power)
-{
- struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv;
- struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev;
-
- switch (power) {
- case FB_BLANK_POWERDOWN:
- if (dsim->suspended)
- return 0;
-
- if (client_drv && client_drv->suspend)
- client_drv->suspend(client_dev);
-
- clk_disable(dsim->clock);
-
- exynos_mipi_regulator_disable(dsim);
-
- dsim->suspended = true;
-
- break;
- default:
- break;
- }
-
- return 0;
-}
-
-static int exynos_mipi_dsi_blank_mode(struct mipi_dsim_device *dsim, int power)
-{
- struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv;
- struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev;
-
- switch (power) {
- case FB_BLANK_UNBLANK:
- if (!dsim->suspended)
- return 0;
-
- /* lcd panel power on. */
- if (client_drv && client_drv->power_on)
- client_drv->power_on(client_dev, 1);
-
- exynos_mipi_regulator_enable(dsim);
-
- /* enable MIPI-DSI PHY. */
- phy_power_on(dsim->phy);
-
- clk_enable(dsim->clock);
-
- exynos_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;
-
- break;
- case FB_BLANK_NORMAL:
- /* TODO. */
- break;
- default:
- break;
- }
-
- return 0;
-}
-
-int exynos_mipi_dsi_register_lcd_device(struct mipi_dsim_lcd_device *lcd_dev)
-{
- struct mipi_dsim_ddi *dsim_ddi;
-
- if (!lcd_dev->name) {
- pr_err("dsim_lcd_device name is NULL.\n");
- return -EFAULT;
- }
-
- dsim_ddi = kzalloc(sizeof(struct mipi_dsim_ddi), GFP_KERNEL);
- if (!dsim_ddi) {
- pr_err("failed to allocate dsim_ddi object.\n");
- return -ENOMEM;
- }
-
- 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;
-}
-
-static struct mipi_dsim_ddi *exynos_mipi_dsi_find_lcd_device(
- struct mipi_dsim_lcd_driver *lcd_drv)
-{
- struct mipi_dsim_ddi *dsim_ddi, *next;
- struct mipi_dsim_lcd_device *lcd_dev;
-
- mutex_lock(&mipi_dsim_lock);
-
- list_for_each_entry_safe(dsim_ddi, next, &dsim_ddi_list, list) {
- if (!dsim_ddi)
- goto out;
-
- lcd_dev = dsim_ddi->dsim_lcd_dev;
- if (!lcd_dev)
- continue;
-
- 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;
- }
-
- list_del(&dsim_ddi->list);
- kfree(dsim_ddi);
- }
-
-out:
- mutex_unlock(&mipi_dsim_lock);
-
- return NULL;
-}
-
-int exynos_mipi_dsi_register_lcd_driver(struct mipi_dsim_lcd_driver *lcd_drv)
-{
- struct mipi_dsim_ddi *dsim_ddi;
-
- if (!lcd_drv->name) {
- pr_err("dsim_lcd_driver name is NULL.\n");
- return -EFAULT;
- }
-
- dsim_ddi = exynos_mipi_dsi_find_lcd_device(lcd_drv);
- if (!dsim_ddi) {
- pr_err("mipi_dsim_ddi object not found.\n");
- return -EFAULT;
- }
-
- dsim_ddi->dsim_lcd_drv = lcd_drv;
-
- pr_info("registered panel driver(%s) to mipi-dsi driver.\n",
- lcd_drv->name);
-
- return 0;
-
-}
-EXPORT_SYMBOL_GPL(exynos_mipi_dsi_register_lcd_driver);
-
-static struct mipi_dsim_ddi *exynos_mipi_dsi_bind_lcd_ddi(
- struct mipi_dsim_device *dsim,
- const char *name)
-{
- struct mipi_dsim_ddi *dsim_ddi, *next;
- struct mipi_dsim_lcd_driver *lcd_drv;
- struct mipi_dsim_lcd_device *lcd_dev;
- int ret;
-
- mutex_lock(&dsim->lock);
-
- list_for_each_entry_safe(dsim_ddi, next, &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;
-}
-
-/* define MIPI-DSI Master operations. */
-static struct mipi_dsim_master_ops master_ops = {
- .cmd_read = exynos_mipi_dsi_rd_data,
- .cmd_write = exynos_mipi_dsi_wr_data,
- .get_dsim_frame_done = exynos_mipi_dsi_get_frame_done_status,
- .clear_dsim_frame_done = exynos_mipi_dsi_clear_frame_done,
- .set_early_blank_mode = exynos_mipi_dsi_early_blank_mode,
- .set_blank_mode = exynos_mipi_dsi_blank_mode,
-};
-
-static int exynos_mipi_dsi_probe(struct platform_device *pdev)
-{
- struct resource *res;
- struct mipi_dsim_device *dsim;
- struct mipi_dsim_config *dsim_config;
- struct mipi_dsim_platform_data *dsim_pd;
- struct mipi_dsim_ddi *dsim_ddi;
- int ret = -EINVAL;
-
- dsim = devm_kzalloc(&pdev->dev, sizeof(struct mipi_dsim_device),
- GFP_KERNEL);
- if (!dsim) {
- dev_err(&pdev->dev, "failed to allocate dsim object.\n");
- return -ENOMEM;
- }
-
- dsim->pd = to_dsim_plat(pdev);
- dsim->dev = &pdev->dev;
- dsim->id = pdev->id;
-
- /* get mipi_dsim_platform_data. */
- dsim_pd = (struct mipi_dsim_platform_data *)dsim->pd;
- if (dsim_pd == NULL) {
- dev_err(&pdev->dev, "failed to get platform data for dsim.\n");
- return -EINVAL;
- }
- /* 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");
- return -EINVAL;
- }
-
- dsim->dsim_config = dsim_config;
- dsim->master_ops = &master_ops;
-
- mutex_init(&dsim->lock);
-
- ret = devm_regulator_bulk_get(&pdev->dev, ARRAY_SIZE(supplies),
- supplies);
- if (ret) {
- dev_err(&pdev->dev, "Failed to get regulators: %d\n", ret);
- return ret;
- }
-
- dsim->phy = devm_phy_get(&pdev->dev, "dsim");
- if (IS_ERR(dsim->phy))
- return PTR_ERR(dsim->phy);
-
- dsim->clock = devm_clk_get(&pdev->dev, "dsim0");
- if (IS_ERR(dsim->clock)) {
- dev_err(&pdev->dev, "failed to get dsim clock source\n");
- return -ENODEV;
- }
-
- clk_enable(dsim->clock);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- dsim->reg_base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(dsim->reg_base)) {
- ret = PTR_ERR(dsim->reg_base);
- goto error;
- }
-
- mutex_init(&dsim->lock);
-
- /* bind lcd ddi matched with panel name. */
- dsim_ddi = exynos_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");
- ret = -EINVAL;
- goto error;
- }
-
- ret = platform_get_irq(pdev, 0);
- if (ret < 0) {
- dev_err(&pdev->dev, "failed to request dsim irq resource\n");
- goto error;
- }
- dsim->irq = ret;
-
- init_completion(&dsim_wr_comp);
- init_completion(&dsim_rd_comp);
- platform_set_drvdata(pdev, dsim);
-
- ret = devm_request_irq(&pdev->dev, dsim->irq,
- exynos_mipi_dsi_interrupt_handler,
- IRQF_SHARED, dev_name(&pdev->dev), dsim);
- if (ret != 0) {
- dev_err(&pdev->dev, "failed to request dsim irq\n");
- ret = -EINVAL;
- goto error;
- }
-
- /* enable interrupts */
- exynos_mipi_dsi_init_interrupt(dsim);
-
- /* initialize mipi-dsi client(lcd panel). */
- if (dsim_ddi->dsim_lcd_drv && dsim_ddi->dsim_lcd_drv->probe)
- dsim_ddi->dsim_lcd_drv->probe(dsim_ddi->dsim_lcd_dev);
-
- /* in case mipi-dsi has been enabled by bootloader */
- if (dsim_pd->enabled) {
- exynos_mipi_regulator_enable(dsim);
- goto done;
- }
-
- /* lcd panel power on. */
- if (dsim_ddi->dsim_lcd_drv && dsim_ddi->dsim_lcd_drv->power_on)
- dsim_ddi->dsim_lcd_drv->power_on(dsim_ddi->dsim_lcd_dev, 1);
-
- exynos_mipi_regulator_enable(dsim);
-
- /* enable MIPI-DSI PHY. */
- phy_power_on(dsim->phy);
-
- exynos_mipi_update_cfg(dsim);
-
- /* set lcd panel sequence commands. */
- if (dsim_ddi->dsim_lcd_drv && dsim_ddi->dsim_lcd_drv->set_sequence)
- dsim_ddi->dsim_lcd_drv->set_sequence(dsim_ddi->dsim_lcd_dev);
-
- dsim->suspended = false;
-
-done:
- platform_set_drvdata(pdev, dsim);
-
- dev_dbg(&pdev->dev, "%s() completed successfully (%s mode)\n", __func__,
- dsim_config->e_interface == DSIM_COMMAND ? "CPU" : "RGB");
-
- return 0;
-
-error:
- clk_disable(dsim->clock);
- return ret;
-}
-
-static int exynos_mipi_dsi_remove(struct platform_device *pdev)
-{
- struct mipi_dsim_device *dsim = platform_get_drvdata(pdev);
- struct mipi_dsim_ddi *dsim_ddi, *next;
- struct mipi_dsim_lcd_driver *dsim_lcd_drv;
-
- clk_disable(dsim->clock);
-
- list_for_each_entry_safe(dsim_ddi, next, &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);
-
- kfree(dsim_ddi);
- }
- }
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int exynos_mipi_dsi_suspend(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct mipi_dsim_device *dsim = platform_get_drvdata(pdev);
- struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv;
- struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev;
-
- disable_irq(dsim->irq);
-
- if (dsim->suspended)
- return 0;
-
- if (client_drv && client_drv->suspend)
- client_drv->suspend(client_dev);
-
- /* disable MIPI-DSI PHY. */
- phy_power_off(dsim->phy);
-
- clk_disable(dsim->clock);
-
- exynos_mipi_regulator_disable(dsim);
-
- dsim->suspended = true;
-
- return 0;
-}
-
-static int exynos_mipi_dsi_resume(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct mipi_dsim_device *dsim = platform_get_drvdata(pdev);
- struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv;
- struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev;
-
- enable_irq(dsim->irq);
-
- if (!dsim->suspended)
- return 0;
-
- /* lcd panel power on. */
- if (client_drv && client_drv->power_on)
- client_drv->power_on(client_dev, 1);
-
- exynos_mipi_regulator_enable(dsim);
-
- /* enable MIPI-DSI PHY. */
- phy_power_on(dsim->phy);
-
- clk_enable(dsim->clock);
-
- exynos_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;
-
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops exynos_mipi_dsi_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(exynos_mipi_dsi_suspend, exynos_mipi_dsi_resume)
-};
-
-static struct platform_driver exynos_mipi_dsi_driver = {
- .probe = exynos_mipi_dsi_probe,
- .remove = exynos_mipi_dsi_remove,
- .driver = {
- .name = "exynos-mipi-dsim",
- .pm = &exynos_mipi_dsi_pm_ops,
- },
-};
-
-module_platform_driver(exynos_mipi_dsi_driver);
-
-MODULE_AUTHOR("InKi Dae <inki.dae@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC MIPI-DSI driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/* linux/drivers/video/exynos/exynos_mipi_dsi_common.c
- *
- * Samsung SoC MIPI-DSI common driver.
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd
- *
- * InKi Dae, <inki.dae@samsung.com>
- * Donghwa Lee, <dh09.lee@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/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/memory.h>
-#include <linux/delay.h>
-#include <linux/irqreturn.h>
-#include <linux/kthread.h>
-
-#include <video/mipi_display.h>
-#include <video/exynos_mipi_dsim.h>
-
-#include "exynos_mipi_dsi_regs.h"
-#include "exynos_mipi_dsi_lowlevel.h"
-#include "exynos_mipi_dsi_common.h"
-
-#define MIPI_FIFO_TIMEOUT msecs_to_jiffies(250)
-#define MIPI_RX_FIFO_READ_DONE 0x30800002
-#define MIPI_MAX_RX_FIFO 20
-#define MHZ (1000 * 1000)
-#define FIN_HZ (24 * MHZ)
-
-#define DFIN_PLL_MIN_HZ (6 * MHZ)
-#define DFIN_PLL_MAX_HZ (12 * MHZ)
-
-#define DFVCO_MIN_HZ (500 * MHZ)
-#define DFVCO_MAX_HZ (1000 * MHZ)
-
-#define TRY_GET_FIFO_TIMEOUT (5000 * 2)
-#define TRY_FIFO_CLEAR (10)
-
-/* MIPI-DSIM status types. */
-enum {
- DSIM_STATE_INIT, /* should be initialized. */
- DSIM_STATE_STOP, /* CPU and LCDC are LP mode. */
- DSIM_STATE_HSCLKEN, /* HS clock was enabled. */
- DSIM_STATE_ULPS
-};
-
-/* define DSI lane types. */
-enum {
- DSIM_LANE_CLOCK = (1 << 0),
- DSIM_LANE_DATA0 = (1 << 1),
- DSIM_LANE_DATA1 = (1 << 2),
- DSIM_LANE_DATA2 = (1 << 3),
- DSIM_LANE_DATA3 = (1 << 4)
-};
-
-static unsigned int dpll_table[15] = {
- 100, 120, 170, 220, 270,
- 320, 390, 450, 510, 560,
- 640, 690, 770, 870, 950
-};
-
-irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq, void *dev_id)
-{
- struct mipi_dsim_device *dsim = dev_id;
- unsigned int intsrc, intmsk;
-
- intsrc = exynos_mipi_dsi_read_interrupt(dsim);
- intmsk = exynos_mipi_dsi_read_interrupt_mask(dsim);
- intmsk = ~intmsk & intsrc;
-
- if (intsrc & INTMSK_RX_DONE) {
- complete(&dsim_rd_comp);
- dev_dbg(dsim->dev, "MIPI INTMSK_RX_DONE\n");
- }
- if (intsrc & INTMSK_FIFO_EMPTY) {
- complete(&dsim_wr_comp);
- dev_dbg(dsim->dev, "MIPI INTMSK_FIFO_EMPTY\n");
- }
-
- exynos_mipi_dsi_clear_interrupt(dsim, intmsk);
-
- return IRQ_HANDLED;
-}
-
-/*
- * write long packet to mipi dsi slave
- * @dsim: mipi dsim device structure.
- * @data0: packet data to send.
- * @data1: size of packet data
- */
-static void exynos_mipi_dsi_long_data_wr(struct mipi_dsim_device *dsim,
- const unsigned char *data0, unsigned int data_size)
-{
- unsigned int data_cnt = 0, payload = 0;
-
- /* in case that data count is more then 4 */
- for (data_cnt = 0; data_cnt < data_size; data_cnt += 4) {
- /*
- * after sending 4bytes per one time,
- * send remainder data less then 4.
- */
- if ((data_size - data_cnt) < 4) {
- if ((data_size - data_cnt) == 3) {
- payload = data0[data_cnt] |
- data0[data_cnt + 1] << 8 |
- data0[data_cnt + 2] << 16;
- dev_dbg(dsim->dev, "count = 3 payload = %x, %x %x %x\n",
- payload, data0[data_cnt],
- data0[data_cnt + 1],
- data0[data_cnt + 2]);
- } else if ((data_size - data_cnt) == 2) {
- payload = data0[data_cnt] |
- data0[data_cnt + 1] << 8;
- dev_dbg(dsim->dev,
- "count = 2 payload = %x, %x %x\n", payload,
- data0[data_cnt],
- data0[data_cnt + 1]);
- } else if ((data_size - data_cnt) == 1) {
- payload = data0[data_cnt];
- }
-
- exynos_mipi_dsi_wr_tx_data(dsim, payload);
- /* send 4bytes per one time. */
- } else {
- payload = data0[data_cnt] |
- data0[data_cnt + 1] << 8 |
- data0[data_cnt + 2] << 16 |
- data0[data_cnt + 3] << 24;
-
- dev_dbg(dsim->dev,
- "count = 4 payload = %x, %x %x %x %x\n",
- payload, *(u8 *)(data0 + data_cnt),
- data0[data_cnt + 1],
- data0[data_cnt + 2],
- data0[data_cnt + 3]);
-
- exynos_mipi_dsi_wr_tx_data(dsim, payload);
- }
- }
-}
-
-int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
- const unsigned char *data0, unsigned int data_size)
-{
- unsigned int check_rx_ack = 0;
-
- if (dsim->state == DSIM_STATE_ULPS) {
- dev_err(dsim->dev, "state is ULPS.\n");
-
- return -EINVAL;
- }
-
- /* FIXME!!! why does it need this delay? */
- msleep(20);
-
- mutex_lock(&dsim->lock);
-
- switch (data_id) {
- /* short packet types of packet types for command. */
- case MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM:
- case MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM:
- case MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM:
- case MIPI_DSI_DCS_SHORT_WRITE:
- case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
- case MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE:
- exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]);
- if (check_rx_ack) {
- /* process response func should be implemented */
- mutex_unlock(&dsim->lock);
- return 0;
- } else {
- mutex_unlock(&dsim->lock);
- return -EINVAL;
- }
-
- /* general command */
- case MIPI_DSI_COLOR_MODE_OFF:
- case MIPI_DSI_COLOR_MODE_ON:
- case MIPI_DSI_SHUTDOWN_PERIPHERAL:
- case MIPI_DSI_TURN_ON_PERIPHERAL:
- exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]);
- if (check_rx_ack) {
- /* process response func should be implemented. */
- mutex_unlock(&dsim->lock);
- return 0;
- } else {
- mutex_unlock(&dsim->lock);
- return -EINVAL;
- }
-
- /* packet types for video data */
- case MIPI_DSI_V_SYNC_START:
- case MIPI_DSI_V_SYNC_END:
- case MIPI_DSI_H_SYNC_START:
- case MIPI_DSI_H_SYNC_END:
- case MIPI_DSI_END_OF_TRANSMISSION:
- mutex_unlock(&dsim->lock);
- return 0;
-
- /* long packet type and null packet */
- case MIPI_DSI_NULL_PACKET:
- case MIPI_DSI_BLANKING_PACKET:
- mutex_unlock(&dsim->lock);
- return 0;
- case MIPI_DSI_GENERIC_LONG_WRITE:
- case MIPI_DSI_DCS_LONG_WRITE:
- {
- unsigned int size, payload = 0;
- reinit_completion(&dsim_wr_comp);
-
- size = data_size * 4;
-
- /* if data count is less then 4, then send 3bytes data. */
- if (data_size < 4) {
- payload = data0[0] |
- data0[1] << 8 |
- data0[2] << 16;
-
- exynos_mipi_dsi_wr_tx_data(dsim, payload);
-
- dev_dbg(dsim->dev, "count = %d payload = %x,%x %x %x\n",
- data_size, payload, data0[0],
- data0[1], data0[2]);
-
- /* in case that data count is more then 4 */
- } else
- exynos_mipi_dsi_long_data_wr(dsim, data0, data_size);
-
- /* put data into header fifo */
- exynos_mipi_dsi_wr_tx_header(dsim, data_id, data_size & 0xff,
- (data_size & 0xff00) >> 8);
-
- if (!wait_for_completion_interruptible_timeout(&dsim_wr_comp,
- MIPI_FIFO_TIMEOUT)) {
- dev_warn(dsim->dev, "command write timeout.\n");
- mutex_unlock(&dsim->lock);
- return -EAGAIN;
- }
-
- if (check_rx_ack) {
- /* process response func should be implemented. */
- mutex_unlock(&dsim->lock);
- return 0;
- } else {
- mutex_unlock(&dsim->lock);
- return -EINVAL;
- }
- }
-
- /* packet typo for video data */
- case MIPI_DSI_PACKED_PIXEL_STREAM_16:
- case MIPI_DSI_PACKED_PIXEL_STREAM_18:
- case MIPI_DSI_PIXEL_STREAM_3BYTE_18:
- case MIPI_DSI_PACKED_PIXEL_STREAM_24:
- if (check_rx_ack) {
- /* process response func should be implemented. */
- mutex_unlock(&dsim->lock);
- return 0;
- } else {
- mutex_unlock(&dsim->lock);
- return -EINVAL;
- }
- default:
- dev_warn(dsim->dev,
- "data id %x is not supported current DSI spec.\n",
- data_id);
-
- mutex_unlock(&dsim->lock);
- return -EINVAL;
- }
-}
-
-static unsigned int exynos_mipi_dsi_long_data_rd(struct mipi_dsim_device *dsim,
- unsigned int req_size, unsigned int rx_data, u8 *rx_buf)
-{
- unsigned int rcv_pkt, i, j;
- u16 rxsize;
-
- /* for long packet */
- rxsize = (u16)((rx_data & 0x00ffff00) >> 8);
- dev_dbg(dsim->dev, "mipi dsi rx size : %d\n", rxsize);
- if (rxsize != req_size) {
- dev_dbg(dsim->dev,
- "received size mismatch received: %d, requested: %d\n",
- rxsize, req_size);
- goto err;
- }
-
- for (i = 0; i < (rxsize >> 2); i++) {
- rcv_pkt = exynos_mipi_dsi_rd_rx_fifo(dsim);
- dev_dbg(dsim->dev, "received pkt : %08x\n", rcv_pkt);
- for (j = 0; j < 4; j++) {
- rx_buf[(i * 4) + j] =
- (u8)(rcv_pkt >> (j * 8)) & 0xff;
- dev_dbg(dsim->dev, "received value : %02x\n",
- (rcv_pkt >> (j * 8)) & 0xff);
- }
- }
- if (rxsize % 4) {
- rcv_pkt = exynos_mipi_dsi_rd_rx_fifo(dsim);
- dev_dbg(dsim->dev, "received pkt : %08x\n", rcv_pkt);
- for (j = 0; j < (rxsize % 4); j++) {
- rx_buf[(i * 4) + j] =
- (u8)(rcv_pkt >> (j * 8)) & 0xff;
- dev_dbg(dsim->dev, "received value : %02x\n",
- (rcv_pkt >> (j * 8)) & 0xff);
- }
- }
-
- return rxsize;
-
-err:
- return -EINVAL;
-}
-
-static unsigned int exynos_mipi_dsi_response_size(unsigned int req_size)
-{
- switch (req_size) {
- case 1:
- return MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE;
- case 2:
- return MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE;
- default:
- return MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE;
- }
-}
-
-int exynos_mipi_dsi_rd_data(struct mipi_dsim_device *dsim, unsigned int data_id,
- unsigned int data0, unsigned int req_size, u8 *rx_buf)
-{
- unsigned int rx_data, rcv_pkt, i;
- u8 response = 0;
- u16 rxsize;
-
- if (dsim->state == DSIM_STATE_ULPS) {
- dev_err(dsim->dev, "state is ULPS.\n");
-
- return -EINVAL;
- }
-
- /* FIXME!!! */
- msleep(20);
-
- mutex_lock(&dsim->lock);
- reinit_completion(&dsim_rd_comp);
- exynos_mipi_dsi_rd_tx_header(dsim,
- MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, req_size);
-
- response = exynos_mipi_dsi_response_size(req_size);
-
- switch (data_id) {
- case MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM:
- case MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM:
- case MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM:
- case MIPI_DSI_DCS_READ:
- exynos_mipi_dsi_rd_tx_header(dsim,
- data_id, data0);
- /* process response func should be implemented. */
- break;
- default:
- dev_warn(dsim->dev,
- "data id %x is not supported current DSI spec.\n",
- data_id);
-
- mutex_unlock(&dsim->lock);
- return -EINVAL;
- }
-
- if (!wait_for_completion_interruptible_timeout(&dsim_rd_comp,
- MIPI_FIFO_TIMEOUT)) {
- pr_err("RX done interrupt timeout\n");
- mutex_unlock(&dsim->lock);
- return 0;
- }
-
- msleep(20);
-
- rx_data = exynos_mipi_dsi_rd_rx_fifo(dsim);
-
- if ((u8)(rx_data & 0xff) != response) {
- printk(KERN_ERR
- "mipi dsi wrong response rx_data : %x, response:%x\n",
- rx_data, response);
- goto clear_rx_fifo;
- }
-
- if (req_size <= 2) {
- /* for short packet */
- for (i = 0; i < req_size; i++)
- rx_buf[i] = (rx_data >> (8 + (i * 8))) & 0xff;
- rxsize = req_size;
- } else {
- /* for long packet */
- rxsize = exynos_mipi_dsi_long_data_rd(dsim, req_size, rx_data,
- rx_buf);
- if (rxsize != req_size)
- goto clear_rx_fifo;
- }
-
- rcv_pkt = exynos_mipi_dsi_rd_rx_fifo(dsim);
-
- msleep(20);
-
- if (rcv_pkt != MIPI_RX_FIFO_READ_DONE) {
- dev_info(dsim->dev,
- "Can't found RX FIFO READ DONE FLAG : %x\n", rcv_pkt);
- goto clear_rx_fifo;
- }
-
- mutex_unlock(&dsim->lock);
-
- return rxsize;
-
-clear_rx_fifo:
- i = 0;
- while (1) {
- rcv_pkt = exynos_mipi_dsi_rd_rx_fifo(dsim);
- if ((rcv_pkt == MIPI_RX_FIFO_READ_DONE)
- || (i > MIPI_MAX_RX_FIFO))
- break;
- dev_dbg(dsim->dev,
- "mipi dsi clear rx fifo : %08x\n", rcv_pkt);
- i++;
- }
- dev_info(dsim->dev,
- "mipi dsi rx done count : %d, rcv_pkt : %08x\n", i, rcv_pkt);
-
- mutex_unlock(&dsim->lock);
-
- return 0;
-}
-
-static int exynos_mipi_dsi_pll_on(struct mipi_dsim_device *dsim,
- unsigned int enable)
-{
- int sw_timeout;
-
- if (enable) {
- sw_timeout = 1000;
-
- exynos_mipi_dsi_enable_pll(dsim, 1);
- while (1) {
- sw_timeout--;
- if (exynos_mipi_dsi_is_pll_stable(dsim))
- return 0;
- if (sw_timeout == 0)
- return -EINVAL;
- }
- } else
- exynos_mipi_dsi_enable_pll(dsim, 0);
-
- return 0;
-}
-
-static unsigned long exynos_mipi_dsi_change_pll(struct mipi_dsim_device *dsim,
- unsigned int pre_divider, unsigned int main_divider,
- unsigned int scaler)
-{
- unsigned long dfin_pll, dfvco, dpll_out;
- unsigned int i, freq_band = 0xf;
-
- dfin_pll = (FIN_HZ / pre_divider);
-
- /******************************************************
- * Serial Clock(=ByteClk X 8) FreqBand[3:0] *
- ******************************************************
- * ~ 99.99 MHz 0000
- * 100 ~ 119.99 MHz 0001
- * 120 ~ 159.99 MHz 0010
- * 160 ~ 199.99 MHz 0011
- * 200 ~ 239.99 MHz 0100
- * 140 ~ 319.99 MHz 0101
- * 320 ~ 389.99 MHz 0110
- * 390 ~ 449.99 MHz 0111
- * 450 ~ 509.99 MHz 1000
- * 510 ~ 559.99 MHz 1001
- * 560 ~ 639.99 MHz 1010
- * 640 ~ 689.99 MHz 1011
- * 690 ~ 769.99 MHz 1100
- * 770 ~ 869.99 MHz 1101
- * 870 ~ 949.99 MHz 1110
- * 950 ~ 1000 MHz 1111
- ******************************************************/
- if (dfin_pll < DFIN_PLL_MIN_HZ || dfin_pll > DFIN_PLL_MAX_HZ) {
- dev_warn(dsim->dev, "fin_pll range should be 6MHz ~ 12MHz\n");
- exynos_mipi_dsi_enable_afc(dsim, 0, 0);
- } else {
- if (dfin_pll < 7 * MHZ)
- exynos_mipi_dsi_enable_afc(dsim, 1, 0x1);
- else if (dfin_pll < 8 * MHZ)
- exynos_mipi_dsi_enable_afc(dsim, 1, 0x0);
- else if (dfin_pll < 9 * MHZ)
- exynos_mipi_dsi_enable_afc(dsim, 1, 0x3);
- else if (dfin_pll < 10 * MHZ)
- exynos_mipi_dsi_enable_afc(dsim, 1, 0x2);
- else if (dfin_pll < 11 * MHZ)
- exynos_mipi_dsi_enable_afc(dsim, 1, 0x5);
- else
- exynos_mipi_dsi_enable_afc(dsim, 1, 0x4);
- }
-
- dfvco = dfin_pll * main_divider;
- dev_dbg(dsim->dev, "dfvco = %lu, dfin_pll = %lu, main_divider = %d\n",
- dfvco, dfin_pll, main_divider);
- if (dfvco < DFVCO_MIN_HZ || dfvco > DFVCO_MAX_HZ)
- dev_warn(dsim->dev, "fvco range should be 500MHz ~ 1000MHz\n");
-
- dpll_out = dfvco / (1 << scaler);
- dev_dbg(dsim->dev, "dpll_out = %lu, dfvco = %lu, scaler = %d\n",
- dpll_out, dfvco, scaler);
-
- for (i = 0; i < ARRAY_SIZE(dpll_table); i++) {
- if (dpll_out < dpll_table[i] * MHZ) {
- freq_band = i;
- break;
- }
- }
-
- dev_dbg(dsim->dev, "freq_band = %d\n", freq_band);
-
- exynos_mipi_dsi_pll_freq(dsim, pre_divider, main_divider, scaler);
-
- exynos_mipi_dsi_hs_zero_ctrl(dsim, 0);
- exynos_mipi_dsi_prep_ctrl(dsim, 0);
-
- /* Freq Band */
- exynos_mipi_dsi_pll_freq_band(dsim, freq_band);
-
- /* Stable time */
- exynos_mipi_dsi_pll_stable_time(dsim, dsim->dsim_config->pll_stable_time);
-
- /* Enable PLL */
- dev_dbg(dsim->dev, "FOUT of mipi dphy pll is %luMHz\n",
- (dpll_out / MHZ));
-
- return dpll_out;
-}
-
-static int exynos_mipi_dsi_set_clock(struct mipi_dsim_device *dsim,
- unsigned int byte_clk_sel, unsigned int enable)
-{
- unsigned int esc_div;
- unsigned long esc_clk_error_rate;
- unsigned long hs_clk = 0, byte_clk = 0, escape_clk = 0;
-
- if (enable) {
- dsim->e_clk_src = byte_clk_sel;
-
- /* Escape mode clock and byte clock source */
- exynos_mipi_dsi_set_byte_clock_src(dsim, byte_clk_sel);
-
- /* DPHY, DSIM Link : D-PHY clock out */
- if (byte_clk_sel == DSIM_PLL_OUT_DIV8) {
- hs_clk = exynos_mipi_dsi_change_pll(dsim,
- dsim->dsim_config->p, dsim->dsim_config->m,
- dsim->dsim_config->s);
- if (hs_clk == 0) {
- dev_err(dsim->dev,
- "failed to get hs clock.\n");
- return -EINVAL;
- }
-
- byte_clk = hs_clk / 8;
- exynos_mipi_dsi_enable_pll_bypass(dsim, 0);
- exynos_mipi_dsi_pll_on(dsim, 1);
- /* DPHY : D-PHY clock out, DSIM link : external clock out */
- } else if (byte_clk_sel == DSIM_EXT_CLK_DIV8) {
- dev_warn(dsim->dev, "this project is not support\n");
- dev_warn(dsim->dev,
- "external clock source for MIPI DSIM.\n");
- } else if (byte_clk_sel == DSIM_EXT_CLK_BYPASS) {
- dev_warn(dsim->dev, "this project is not support\n");
- dev_warn(dsim->dev,
- "external clock source for MIPI DSIM\n");
- }
-
- /* escape clock divider */
- esc_div = byte_clk / (dsim->dsim_config->esc_clk);
- dev_dbg(dsim->dev,
- "esc_div = %d, byte_clk = %lu, esc_clk = %lu\n",
- esc_div, byte_clk, dsim->dsim_config->esc_clk);
- if ((byte_clk / esc_div) >= (20 * MHZ) ||
- (byte_clk / esc_div) >
- dsim->dsim_config->esc_clk)
- esc_div += 1;
-
- escape_clk = byte_clk / esc_div;
- dev_dbg(dsim->dev,
- "escape_clk = %lu, byte_clk = %lu, esc_div = %d\n",
- escape_clk, byte_clk, esc_div);
-
- /* enable escape clock. */
- exynos_mipi_dsi_enable_byte_clock(dsim, 1);
-
- /* enable byte clk and escape clock */
- exynos_mipi_dsi_set_esc_clk_prs(dsim, 1, esc_div);
- /* escape clock on lane */
- exynos_mipi_dsi_enable_esc_clk_on_lane(dsim,
- (DSIM_LANE_CLOCK | dsim->data_lane), 1);
-
- dev_dbg(dsim->dev, "byte clock is %luMHz\n",
- (byte_clk / MHZ));
- dev_dbg(dsim->dev, "escape clock that user's need is %lu\n",
- (dsim->dsim_config->esc_clk / MHZ));
- dev_dbg(dsim->dev, "escape clock divider is %x\n", esc_div);
- dev_dbg(dsim->dev, "escape clock is %luMHz\n",
- ((byte_clk / esc_div) / MHZ));
-
- if ((byte_clk / esc_div) > escape_clk) {
- esc_clk_error_rate = escape_clk /
- (byte_clk / esc_div);
- dev_warn(dsim->dev, "error rate is %lu over.\n",
- (esc_clk_error_rate / 100));
- } else if ((byte_clk / esc_div) < (escape_clk)) {
- esc_clk_error_rate = (byte_clk / esc_div) /
- escape_clk;
- dev_warn(dsim->dev, "error rate is %lu under.\n",
- (esc_clk_error_rate / 100));
- }
- } else {
- exynos_mipi_dsi_enable_esc_clk_on_lane(dsim,
- (DSIM_LANE_CLOCK | dsim->data_lane), 0);
- exynos_mipi_dsi_set_esc_clk_prs(dsim, 0, 0);
-
- /* disable escape clock. */
- exynos_mipi_dsi_enable_byte_clock(dsim, 0);
-
- if (byte_clk_sel == DSIM_PLL_OUT_DIV8)
- exynos_mipi_dsi_pll_on(dsim, 0);
- }
-
- return 0;
-}
-
-int exynos_mipi_dsi_init_dsim(struct mipi_dsim_device *dsim)
-{
- dsim->state = DSIM_STATE_INIT;
-
- switch (dsim->dsim_config->e_no_data_lane) {
- case DSIM_DATA_LANE_1:
- dsim->data_lane = DSIM_LANE_DATA0;
- break;
- case DSIM_DATA_LANE_2:
- dsim->data_lane = DSIM_LANE_DATA0 | DSIM_LANE_DATA1;
- break;
- case DSIM_DATA_LANE_3:
- dsim->data_lane = DSIM_LANE_DATA0 | DSIM_LANE_DATA1 |
- DSIM_LANE_DATA2;
- break;
- case DSIM_DATA_LANE_4:
- dsim->data_lane = DSIM_LANE_DATA0 | DSIM_LANE_DATA1 |
- DSIM_LANE_DATA2 | DSIM_LANE_DATA3;
- break;
- default:
- dev_info(dsim->dev, "data lane is invalid.\n");
- return -EINVAL;
- }
-
- exynos_mipi_dsi_sw_reset(dsim);
- exynos_mipi_dsi_func_reset(dsim);
-
- exynos_mipi_dsi_dp_dn_swap(dsim, 0);
-
- return 0;
-}
-
-void exynos_mipi_dsi_init_interrupt(struct mipi_dsim_device *dsim)
-{
- unsigned int src = 0;
-
- src = (INTSRC_SFR_FIFO_EMPTY | INTSRC_RX_DATA_DONE);
- exynos_mipi_dsi_set_interrupt(dsim, src, 1);
-
- src = 0;
- src = ~(INTMSK_RX_DONE | INTMSK_FIFO_EMPTY);
- exynos_mipi_dsi_set_interrupt_mask(dsim, src, 1);
-}
-
-int exynos_mipi_dsi_enable_frame_done_int(struct mipi_dsim_device *dsim,
- unsigned int enable)
-{
- /* enable only frame done interrupt */
- exynos_mipi_dsi_set_interrupt_mask(dsim, INTMSK_FRAME_DONE, enable);
-
- return 0;
-}
-
-void exynos_mipi_dsi_stand_by(struct mipi_dsim_device *dsim,
- unsigned int enable)
-{
-
- /* consider Main display and Sub display. */
-
- exynos_mipi_dsi_set_main_stand_by(dsim, enable);
-}
-
-int exynos_mipi_dsi_set_display_mode(struct mipi_dsim_device *dsim,
- struct mipi_dsim_config *dsim_config)
-{
- struct mipi_dsim_platform_data *dsim_pd;
- struct fb_videomode *timing;
-
- dsim_pd = (struct mipi_dsim_platform_data *)dsim->pd;
- timing = (struct fb_videomode *)dsim_pd->lcd_panel_info;
-
- /* in case of VIDEO MODE (RGB INTERFACE), it sets polarities. */
- if (dsim_config->e_interface == (u32) DSIM_VIDEO) {
- if (dsim_config->auto_vertical_cnt == 0) {
- exynos_mipi_dsi_set_main_disp_vporch(dsim,
- dsim_config->cmd_allow,
- timing->lower_margin,
- timing->upper_margin);
- exynos_mipi_dsi_set_main_disp_hporch(dsim,
- timing->right_margin,
- timing->left_margin);
- exynos_mipi_dsi_set_main_disp_sync_area(dsim,
- timing->vsync_len,
- timing->hsync_len);
- }
- }
-
- exynos_mipi_dsi_set_main_disp_resol(dsim, timing->xres,
- timing->yres);
-
- exynos_mipi_dsi_display_config(dsim, dsim_config);
-
- dev_info(dsim->dev, "lcd panel ==> width = %d, height = %d\n",
- timing->xres, timing->yres);
-
- return 0;
-}
-
-int exynos_mipi_dsi_init_link(struct mipi_dsim_device *dsim)
-{
- unsigned int time_out = 100;
-
- switch (dsim->state) {
- case DSIM_STATE_INIT:
- exynos_mipi_dsi_init_fifo_pointer(dsim, 0x1f);
-
- /* dsi configuration */
- exynos_mipi_dsi_init_config(dsim);
- exynos_mipi_dsi_enable_lane(dsim, DSIM_LANE_CLOCK, 1);
- exynos_mipi_dsi_enable_lane(dsim, dsim->data_lane, 1);
-
- /* set clock configuration */
- exynos_mipi_dsi_set_clock(dsim, dsim->dsim_config->e_byte_clk, 1);
-
- /* check clock and data lane state are stop state */
- while (!(exynos_mipi_dsi_is_lane_state(dsim))) {
- time_out--;
- if (time_out == 0) {
- dev_err(dsim->dev,
- "DSI Master is not stop state.\n");
- dev_err(dsim->dev,
- "Check initialization process\n");
-
- return -EINVAL;
- }
- }
- if (time_out != 0) {
- dev_info(dsim->dev,
- "DSI Master driver has been completed.\n");
- dev_info(dsim->dev, "DSI Master state is stop state\n");
- }
-
- dsim->state = DSIM_STATE_STOP;
-
- /* BTA sequence counters */
- exynos_mipi_dsi_set_stop_state_counter(dsim,
- dsim->dsim_config->stop_holding_cnt);
- exynos_mipi_dsi_set_bta_timeout(dsim,
- dsim->dsim_config->bta_timeout);
- exynos_mipi_dsi_set_lpdr_timeout(dsim,
- dsim->dsim_config->rx_timeout);
-
- return 0;
- default:
- dev_info(dsim->dev, "DSI Master is already init.\n");
- return 0;
- }
-
- return 0;
-}
-
-int exynos_mipi_dsi_set_hs_enable(struct mipi_dsim_device *dsim)
-{
- if (dsim->state != DSIM_STATE_STOP) {
- dev_warn(dsim->dev, "DSIM is not in stop state.\n");
- return 0;
- }
-
- if (dsim->e_clk_src == DSIM_EXT_CLK_BYPASS) {
- dev_warn(dsim->dev, "clock source is external bypass.\n");
- return 0;
- }
-
- dsim->state = DSIM_STATE_HSCLKEN;
-
- /* set LCDC and CPU transfer mode to HS. */
- exynos_mipi_dsi_set_lcdc_transfer_mode(dsim, 0);
- exynos_mipi_dsi_set_cpu_transfer_mode(dsim, 0);
- exynos_mipi_dsi_enable_hs_clock(dsim, 1);
-
- return 0;
-}
-
-int exynos_mipi_dsi_set_data_transfer_mode(struct mipi_dsim_device *dsim,
- unsigned int mode)
-{
- if (mode) {
- if (dsim->state != DSIM_STATE_HSCLKEN) {
- dev_err(dsim->dev, "HS Clock lane is not enabled.\n");
- return -EINVAL;
- }
-
- exynos_mipi_dsi_set_lcdc_transfer_mode(dsim, 0);
- } else {
- if (dsim->state == DSIM_STATE_INIT || dsim->state ==
- DSIM_STATE_ULPS) {
- dev_err(dsim->dev,
- "DSI Master is not STOP or HSDT state.\n");
- return -EINVAL;
- }
-
- exynos_mipi_dsi_set_cpu_transfer_mode(dsim, 0);
- }
-
- return 0;
-}
-
-int exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim)
-{
- return _exynos_mipi_dsi_get_frame_done_status(dsim);
-}
-
-int exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim)
-{
- _exynos_mipi_dsi_clear_frame_done(dsim);
-
- return 0;
-}
-
-int exynos_mipi_dsi_fifo_clear(struct mipi_dsim_device *dsim,
- unsigned int val)
-{
- int try = TRY_FIFO_CLEAR;
-
- exynos_mipi_dsi_sw_reset_release(dsim);
- exynos_mipi_dsi_func_reset(dsim);
-
- do {
- if (exynos_mipi_dsi_get_sw_reset_release(dsim)) {
- exynos_mipi_dsi_init_interrupt(dsim);
- dev_dbg(dsim->dev, "reset release done.\n");
- return 0;
- }
- } while (--try);
-
- dev_err(dsim->dev, "failed to clear dsim fifo.\n");
- return -EAGAIN;
-}
-
-MODULE_AUTHOR("InKi Dae <inki.dae@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC MIPI-DSI common driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/* linux/drivers/video/exynos_mipi_dsi_common.h
- *
- * Header file for Samsung SoC MIPI-DSI common driver.
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd
- *
- * InKi Dae <inki.dae@samsung.com>
- * Donghwa Lee <dh09.lee@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.
-*/
-
-#ifndef _EXYNOS_MIPI_DSI_COMMON_H
-#define _EXYNOS_MIPI_DSI_COMMON_H
-
-static DECLARE_COMPLETION(dsim_rd_comp);
-static DECLARE_COMPLETION(dsim_wr_comp);
-
-int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
- const unsigned char *data0, unsigned int data_size);
-int exynos_mipi_dsi_rd_data(struct mipi_dsim_device *dsim, unsigned int data_id,
- unsigned int data0, unsigned int req_size, u8 *rx_buf);
-irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq, void *dev_id);
-void exynos_mipi_dsi_init_interrupt(struct mipi_dsim_device *dsim);
-int exynos_mipi_dsi_init_dsim(struct mipi_dsim_device *dsim);
-void exynos_mipi_dsi_stand_by(struct mipi_dsim_device *dsim,
- unsigned int enable);
-int exynos_mipi_dsi_set_display_mode(struct mipi_dsim_device *dsim,
- struct mipi_dsim_config *dsim_info);
-int exynos_mipi_dsi_init_link(struct mipi_dsim_device *dsim);
-int exynos_mipi_dsi_set_hs_enable(struct mipi_dsim_device *dsim);
-int exynos_mipi_dsi_set_data_transfer_mode(struct mipi_dsim_device *dsim,
- unsigned int mode);
-int exynos_mipi_dsi_enable_frame_done_int(struct mipi_dsim_device *dsim,
- unsigned int enable);
-int exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim);
-int exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim);
-
-extern struct fb_info *registered_fb[FB_MAX] __read_mostly;
-
-int exynos_mipi_dsi_fifo_clear(struct mipi_dsim_device *dsim,
- unsigned int val);
-
-#endif /* _EXYNOS_MIPI_DSI_COMMON_H */
+++ /dev/null
-/* linux/drivers/video/exynos/exynos_mipi_dsi_lowlevel.c
- *
- * Samsung SoC MIPI-DSI lowlevel driver.
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd
- *
- * InKi Dae, <inki.dae@samsung.com>
- * Donghwa Lee, <dh09.lee@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/mutex.h>
-#include <linux/wait.h>
-#include <linux/delay.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/ctype.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-
-#include <video/exynos_mipi_dsim.h>
-
-#include "exynos_mipi_dsi_regs.h"
-#include "exynos_mipi_dsi_lowlevel.h"
-
-void exynos_mipi_dsi_func_reset(struct mipi_dsim_device *dsim)
-{
- unsigned int reg;
-
- reg = readl(dsim->reg_base + EXYNOS_DSIM_SWRST);
-
- reg |= DSIM_FUNCRST;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_SWRST);
-}
-
-void exynos_mipi_dsi_sw_reset(struct mipi_dsim_device *dsim)
-{
- unsigned int reg;
-
- reg = readl(dsim->reg_base + EXYNOS_DSIM_SWRST);
-
- reg |= DSIM_SWRST;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_SWRST);
-}
-
-void exynos_mipi_dsi_sw_reset_release(struct mipi_dsim_device *dsim)
-{
- unsigned int reg;
-
- reg = readl(dsim->reg_base + EXYNOS_DSIM_INTSRC);
-
- reg |= INTSRC_SW_RST_RELEASE;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_INTSRC);
-}
-
-int exynos_mipi_dsi_get_sw_reset_release(struct mipi_dsim_device *dsim)
-{
- return (readl(dsim->reg_base + EXYNOS_DSIM_INTSRC)) &
- INTSRC_SW_RST_RELEASE;
-}
-
-unsigned int exynos_mipi_dsi_read_interrupt_mask(struct mipi_dsim_device *dsim)
-{
- unsigned int reg;
-
- reg = readl(dsim->reg_base + EXYNOS_DSIM_INTMSK);
-
- return reg;
-}
-
-void exynos_mipi_dsi_set_interrupt_mask(struct mipi_dsim_device *dsim,
- unsigned int mode, unsigned int mask)
-{
- unsigned int reg = 0;
-
- if (mask)
- reg |= mode;
- else
- reg &= ~mode;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_INTMSK);
-}
-
-void exynos_mipi_dsi_init_fifo_pointer(struct mipi_dsim_device *dsim,
- unsigned int cfg)
-{
- unsigned int reg;
-
- reg = readl(dsim->reg_base + EXYNOS_DSIM_FIFOCTRL);
-
- writel(reg & ~(cfg), dsim->reg_base + EXYNOS_DSIM_FIFOCTRL);
- mdelay(10);
- reg |= cfg;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_FIFOCTRL);
-}
-
-/*
- * this function set PLL P, M and S value in D-PHY
- */
-void exynos_mipi_dsi_set_phy_tunning(struct mipi_dsim_device *dsim,
- unsigned int value)
-{
- writel(DSIM_AFC_CTL(value), dsim->reg_base + EXYNOS_DSIM_PHYACCHR);
-}
-
-void exynos_mipi_dsi_set_main_stand_by(struct mipi_dsim_device *dsim,
- unsigned int enable)
-{
- unsigned int reg;
-
- reg = readl(dsim->reg_base + EXYNOS_DSIM_MDRESOL);
-
- reg &= ~DSIM_MAIN_STAND_BY;
-
- if (enable)
- reg |= DSIM_MAIN_STAND_BY;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_MDRESOL);
-}
-
-void exynos_mipi_dsi_set_main_disp_resol(struct mipi_dsim_device *dsim,
- unsigned int width_resol, unsigned int height_resol)
-{
- unsigned int reg;
-
- /* standby should be set after configuration so set to not ready*/
- reg = (readl(dsim->reg_base + EXYNOS_DSIM_MDRESOL)) &
- ~(DSIM_MAIN_STAND_BY);
- writel(reg, dsim->reg_base + EXYNOS_DSIM_MDRESOL);
-
- reg &= ~((0x7ff << 16) | (0x7ff << 0));
- reg |= DSIM_MAIN_VRESOL(height_resol) | DSIM_MAIN_HRESOL(width_resol);
-
- reg |= DSIM_MAIN_STAND_BY;
- writel(reg, dsim->reg_base + EXYNOS_DSIM_MDRESOL);
-}
-
-void exynos_mipi_dsi_set_main_disp_vporch(struct mipi_dsim_device *dsim,
- unsigned int cmd_allow, unsigned int vfront, unsigned int vback)
-{
- unsigned int reg;
-
- reg = (readl(dsim->reg_base + EXYNOS_DSIM_MVPORCH)) &
- ~((DSIM_CMD_ALLOW_MASK) | (DSIM_STABLE_VFP_MASK) |
- (DSIM_MAIN_VBP_MASK));
-
- reg |= (DSIM_CMD_ALLOW_SHIFT(cmd_allow & 0xf) |
- DSIM_STABLE_VFP_SHIFT(vfront & 0x7ff) |
- DSIM_MAIN_VBP_SHIFT(vback & 0x7ff));
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_MVPORCH);
-}
-
-void exynos_mipi_dsi_set_main_disp_hporch(struct mipi_dsim_device *dsim,
- unsigned int front, unsigned int back)
-{
- unsigned int reg;
-
- reg = (readl(dsim->reg_base + EXYNOS_DSIM_MHPORCH)) &
- ~((DSIM_MAIN_HFP_MASK) | (DSIM_MAIN_HBP_MASK));
-
- reg |= DSIM_MAIN_HFP_SHIFT(front) | DSIM_MAIN_HBP_SHIFT(back);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_MHPORCH);
-}
-
-void exynos_mipi_dsi_set_main_disp_sync_area(struct mipi_dsim_device *dsim,
- unsigned int vert, unsigned int hori)
-{
- unsigned int reg;
-
- reg = (readl(dsim->reg_base + EXYNOS_DSIM_MSYNC)) &
- ~((DSIM_MAIN_VSA_MASK) | (DSIM_MAIN_HSA_MASK));
-
- reg |= (DSIM_MAIN_VSA_SHIFT(vert & 0x3ff) |
- DSIM_MAIN_HSA_SHIFT(hori));
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_MSYNC);
-}
-
-void exynos_mipi_dsi_set_sub_disp_resol(struct mipi_dsim_device *dsim,
- unsigned int vert, unsigned int hori)
-{
- unsigned int reg;
-
- reg = (readl(dsim->reg_base + EXYNOS_DSIM_SDRESOL)) &
- ~(DSIM_SUB_STANDY_MASK);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_SDRESOL);
-
- reg &= ~(DSIM_SUB_VRESOL_MASK) | ~(DSIM_SUB_HRESOL_MASK);
- reg |= (DSIM_SUB_VRESOL_SHIFT(vert & 0x7ff) |
- DSIM_SUB_HRESOL_SHIFT(hori & 0x7ff));
- writel(reg, dsim->reg_base + EXYNOS_DSIM_SDRESOL);
-
- reg |= DSIM_SUB_STANDY_SHIFT(1);
- writel(reg, dsim->reg_base + EXYNOS_DSIM_SDRESOL);
-}
-
-void exynos_mipi_dsi_init_config(struct mipi_dsim_device *dsim)
-{
- struct mipi_dsim_config *dsim_config = dsim->dsim_config;
-
- unsigned int cfg = (readl(dsim->reg_base + EXYNOS_DSIM_CONFIG)) &
- ~((1 << 28) | (0x1f << 20) | (0x3 << 5));
-
- cfg = ((DSIM_AUTO_FLUSH(dsim_config->auto_flush)) |
- (DSIM_EOT_DISABLE(dsim_config->eot_disable)) |
- (DSIM_AUTO_MODE_SHIFT(dsim_config->auto_vertical_cnt)) |
- (DSIM_HSE_MODE_SHIFT(dsim_config->hse)) |
- (DSIM_HFP_MODE_SHIFT(dsim_config->hfp)) |
- (DSIM_HBP_MODE_SHIFT(dsim_config->hbp)) |
- (DSIM_HSA_MODE_SHIFT(dsim_config->hsa)) |
- (DSIM_NUM_OF_DATALANE_SHIFT(dsim_config->e_no_data_lane)));
-
- writel(cfg, dsim->reg_base + EXYNOS_DSIM_CONFIG);
-}
-
-void exynos_mipi_dsi_display_config(struct mipi_dsim_device *dsim,
- struct mipi_dsim_config *dsim_config)
-{
- u32 reg = (readl(dsim->reg_base + EXYNOS_DSIM_CONFIG)) &
- ~((0x3 << 26) | (1 << 25) | (0x3 << 18) | (0x7 << 12) |
- (0x3 << 16) | (0x7 << 8));
-
- if (dsim_config->e_interface == DSIM_VIDEO)
- reg |= (1 << 25);
- else if (dsim_config->e_interface == DSIM_COMMAND)
- reg &= ~(1 << 25);
- else {
- dev_err(dsim->dev, "unknown lcd type.\n");
- return;
- }
-
- /* main lcd */
- reg |= ((u8) (dsim_config->e_burst_mode) & 0x3) << 26 |
- ((u8) (dsim_config->e_virtual_ch) & 0x3) << 18 |
- ((u8) (dsim_config->e_pixel_format) & 0x7) << 12;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_CONFIG);
-}
-
-void exynos_mipi_dsi_enable_lane(struct mipi_dsim_device *dsim, unsigned int lane,
- unsigned int enable)
-{
- unsigned int reg;
-
- reg = readl(dsim->reg_base + EXYNOS_DSIM_CONFIG);
-
- if (enable)
- reg |= DSIM_LANE_ENx(lane);
- else
- reg &= ~DSIM_LANE_ENx(lane);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_CONFIG);
-}
-
-
-void exynos_mipi_dsi_set_data_lane_number(struct mipi_dsim_device *dsim,
- unsigned int count)
-{
- unsigned int cfg;
-
- /* get the data lane number. */
- cfg = DSIM_NUM_OF_DATALANE_SHIFT(count);
-
- writel(cfg, dsim->reg_base + EXYNOS_DSIM_CONFIG);
-}
-
-void exynos_mipi_dsi_enable_afc(struct mipi_dsim_device *dsim, unsigned int enable,
- unsigned int afc_code)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_PHYACCHR);
-
- if (enable) {
- reg |= (1 << 14);
- reg &= ~(0x7 << 5);
- reg |= (afc_code & 0x7) << 5;
- } else
- reg &= ~(1 << 14);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PHYACCHR);
-}
-
-void exynos_mipi_dsi_enable_pll_bypass(struct mipi_dsim_device *dsim,
- unsigned int enable)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) &
- ~(DSIM_PLL_BYPASS_SHIFT(0x1));
-
- reg |= DSIM_PLL_BYPASS_SHIFT(enable);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL);
-}
-
-void exynos_mipi_dsi_set_pll_pms(struct mipi_dsim_device *dsim, unsigned int p,
- unsigned int m, unsigned int s)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL);
-
- reg |= ((p & 0x3f) << 13) | ((m & 0x1ff) << 4) | ((s & 0x7) << 1);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL);
-}
-
-void exynos_mipi_dsi_pll_freq_band(struct mipi_dsim_device *dsim,
- unsigned int freq_band)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) &
- ~(DSIM_FREQ_BAND_SHIFT(0x1f));
-
- reg |= DSIM_FREQ_BAND_SHIFT(freq_band & 0x1f);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL);
-}
-
-void exynos_mipi_dsi_pll_freq(struct mipi_dsim_device *dsim,
- unsigned int pre_divider, unsigned int main_divider,
- unsigned int scaler)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) &
- ~(0x7ffff << 1);
-
- reg |= (pre_divider & 0x3f) << 13 | (main_divider & 0x1ff) << 4 |
- (scaler & 0x7) << 1;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL);
-}
-
-void exynos_mipi_dsi_pll_stable_time(struct mipi_dsim_device *dsim,
- unsigned int lock_time)
-{
- writel(lock_time, dsim->reg_base + EXYNOS_DSIM_PLLTMR);
-}
-
-void exynos_mipi_dsi_enable_pll(struct mipi_dsim_device *dsim, unsigned int enable)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) &
- ~(DSIM_PLL_EN_SHIFT(0x1));
-
- reg |= DSIM_PLL_EN_SHIFT(enable & 0x1);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL);
-}
-
-void exynos_mipi_dsi_set_byte_clock_src(struct mipi_dsim_device *dsim,
- unsigned int src)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) &
- ~(DSIM_BYTE_CLK_SRC_SHIFT(0x3));
-
- reg |= (DSIM_BYTE_CLK_SRC_SHIFT(src));
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL);
-}
-
-void exynos_mipi_dsi_enable_byte_clock(struct mipi_dsim_device *dsim,
- unsigned int enable)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) &
- ~(DSIM_BYTE_CLKEN_SHIFT(0x1));
-
- reg |= DSIM_BYTE_CLKEN_SHIFT(enable);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL);
-}
-
-void exynos_mipi_dsi_set_esc_clk_prs(struct mipi_dsim_device *dsim,
- unsigned int enable, unsigned int prs_val)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) &
- ~(DSIM_ESC_CLKEN_SHIFT(0x1) | 0xffff);
-
- reg |= DSIM_ESC_CLKEN_SHIFT(enable);
- if (enable)
- reg |= prs_val;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL);
-}
-
-void exynos_mipi_dsi_enable_esc_clk_on_lane(struct mipi_dsim_device *dsim,
- unsigned int lane_sel, unsigned int enable)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL);
-
- if (enable)
- reg |= DSIM_LANE_ESC_CLKEN(lane_sel);
- else
-
- reg &= ~DSIM_LANE_ESC_CLKEN(lane_sel);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL);
-}
-
-void exynos_mipi_dsi_force_dphy_stop_state(struct mipi_dsim_device *dsim,
- unsigned int enable)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_ESCMODE)) &
- ~(DSIM_FORCE_STOP_STATE_SHIFT(0x1));
-
- reg |= (DSIM_FORCE_STOP_STATE_SHIFT(enable & 0x1));
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_ESCMODE);
-}
-
-unsigned int exynos_mipi_dsi_is_lane_state(struct mipi_dsim_device *dsim)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_STATUS);
-
- /**
- * check clock and data lane states.
- * if MIPI-DSI controller was enabled at bootloader then
- * TX_READY_HS_CLK is enabled otherwise STOP_STATE_CLK.
- * so it should be checked for two case.
- */
- if ((reg & DSIM_STOP_STATE_DAT(0xf)) &&
- ((reg & DSIM_STOP_STATE_CLK) ||
- (reg & DSIM_TX_READY_HS_CLK)))
- return 1;
-
- return 0;
-}
-
-void exynos_mipi_dsi_set_stop_state_counter(struct mipi_dsim_device *dsim,
- unsigned int cnt_val)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_ESCMODE)) &
- ~(DSIM_STOP_STATE_CNT_SHIFT(0x7ff));
-
- reg |= (DSIM_STOP_STATE_CNT_SHIFT(cnt_val & 0x7ff));
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_ESCMODE);
-}
-
-void exynos_mipi_dsi_set_bta_timeout(struct mipi_dsim_device *dsim,
- unsigned int timeout)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_TIMEOUT)) &
- ~(DSIM_BTA_TOUT_SHIFT(0xff));
-
- reg |= (DSIM_BTA_TOUT_SHIFT(timeout));
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_TIMEOUT);
-}
-
-void exynos_mipi_dsi_set_lpdr_timeout(struct mipi_dsim_device *dsim,
- unsigned int timeout)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_TIMEOUT)) &
- ~(DSIM_LPDR_TOUT_SHIFT(0xffff));
-
- reg |= (DSIM_LPDR_TOUT_SHIFT(timeout));
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_TIMEOUT);
-}
-
-void exynos_mipi_dsi_set_cpu_transfer_mode(struct mipi_dsim_device *dsim,
- unsigned int lp)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_ESCMODE);
-
- reg &= ~DSIM_CMD_LPDT_LP;
-
- if (lp)
- reg |= DSIM_CMD_LPDT_LP;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_ESCMODE);
-}
-
-void exynos_mipi_dsi_set_lcdc_transfer_mode(struct mipi_dsim_device *dsim,
- unsigned int lp)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_ESCMODE);
-
- reg &= ~DSIM_TX_LPDT_LP;
-
- if (lp)
- reg |= DSIM_TX_LPDT_LP;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_ESCMODE);
-}
-
-void exynos_mipi_dsi_enable_hs_clock(struct mipi_dsim_device *dsim,
- unsigned int enable)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_CLKCTRL)) &
- ~(DSIM_TX_REQUEST_HSCLK_SHIFT(0x1));
-
- reg |= DSIM_TX_REQUEST_HSCLK_SHIFT(enable);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_CLKCTRL);
-}
-
-void exynos_mipi_dsi_dp_dn_swap(struct mipi_dsim_device *dsim,
- unsigned int swap_en)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_PHYACCHR1);
-
- reg &= ~(0x3 << 0);
- reg |= (swap_en & 0x3) << 0;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PHYACCHR1);
-}
-
-void exynos_mipi_dsi_hs_zero_ctrl(struct mipi_dsim_device *dsim,
- unsigned int hs_zero)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) &
- ~(0xf << 28);
-
- reg |= ((hs_zero & 0xf) << 28);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL);
-}
-
-void exynos_mipi_dsi_prep_ctrl(struct mipi_dsim_device *dsim, unsigned int prep)
-{
- unsigned int reg = (readl(dsim->reg_base + EXYNOS_DSIM_PLLCTRL)) &
- ~(0x7 << 20);
-
- reg |= ((prep & 0x7) << 20);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PLLCTRL);
-}
-
-unsigned int exynos_mipi_dsi_read_interrupt(struct mipi_dsim_device *dsim)
-{
- return readl(dsim->reg_base + EXYNOS_DSIM_INTSRC);
-}
-
-void exynos_mipi_dsi_clear_interrupt(struct mipi_dsim_device *dsim,
- unsigned int src)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_INTSRC);
-
- reg |= src;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_INTSRC);
-}
-
-void exynos_mipi_dsi_set_interrupt(struct mipi_dsim_device *dsim,
- unsigned int src, unsigned int enable)
-{
- unsigned int reg = 0;
-
- if (enable)
- reg |= src;
- else
- reg &= ~src;
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_INTSRC);
-}
-
-unsigned int exynos_mipi_dsi_is_pll_stable(struct mipi_dsim_device *dsim)
-{
- unsigned int reg;
-
- reg = readl(dsim->reg_base + EXYNOS_DSIM_STATUS);
-
- return reg & (1 << 31) ? 1 : 0;
-}
-
-unsigned int exynos_mipi_dsi_get_fifo_state(struct mipi_dsim_device *dsim)
-{
- return readl(dsim->reg_base + EXYNOS_DSIM_FIFOCTRL) & ~(0x1f);
-}
-
-void exynos_mipi_dsi_wr_tx_header(struct mipi_dsim_device *dsim,
- unsigned int di, unsigned int data0, unsigned int data1)
-{
- unsigned int reg = (data1 << 16) | (data0 << 8) | ((di & 0x3f) << 0);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PKTHDR);
-}
-
-void exynos_mipi_dsi_rd_tx_header(struct mipi_dsim_device *dsim,
- unsigned int di, unsigned int data0)
-{
- unsigned int reg = (data0 << 8) | (di << 0);
-
- writel(reg, dsim->reg_base + EXYNOS_DSIM_PKTHDR);
-}
-
-unsigned int exynos_mipi_dsi_rd_rx_fifo(struct mipi_dsim_device *dsim)
-{
- return readl(dsim->reg_base + EXYNOS_DSIM_RXFIFO);
-}
-
-unsigned int _exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_INTSRC);
-
- return (reg & INTSRC_FRAME_DONE) ? 1 : 0;
-}
-
-void _exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim)
-{
- unsigned int reg = readl(dsim->reg_base + EXYNOS_DSIM_INTSRC);
-
- writel(reg | INTSRC_FRAME_DONE, dsim->reg_base +
- EXYNOS_DSIM_INTSRC);
-}
-
-void exynos_mipi_dsi_wr_tx_data(struct mipi_dsim_device *dsim,
- unsigned int tx_data)
-{
- writel(tx_data, dsim->reg_base + EXYNOS_DSIM_PAYLOAD);
-}
+++ /dev/null
-/* linux/drivers/video/exynos/exynos_mipi_dsi_lowlevel.h
- *
- * Header file for Samsung SoC MIPI-DSI lowlevel driver.
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd
- *
- * InKi Dae <inki.dae@samsung.com>
- * Donghwa Lee <dh09.lee@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.
-*/
-
-#ifndef _EXYNOS_MIPI_DSI_LOWLEVEL_H
-#define _EXYNOS_MIPI_DSI_LOWLEVEL_H
-
-void exynos_mipi_dsi_func_reset(struct mipi_dsim_device *dsim);
-void exynos_mipi_dsi_sw_reset(struct mipi_dsim_device *dsim);
-void exynos_mipi_dsi_sw_reset_release(struct mipi_dsim_device *dsim);
-int exynos_mipi_dsi_get_sw_reset_release(struct mipi_dsim_device *dsim);
-void exynos_mipi_dsi_set_interrupt_mask(struct mipi_dsim_device *dsim,
- unsigned int mode, unsigned int mask);
-void exynos_mipi_dsi_set_data_lane_number(struct mipi_dsim_device *dsim,
- unsigned int count);
-void exynos_mipi_dsi_init_fifo_pointer(struct mipi_dsim_device *dsim,
- unsigned int cfg);
-void exynos_mipi_dsi_set_phy_tunning(struct mipi_dsim_device *dsim,
- unsigned int value);
-void exynos_mipi_dsi_set_phy_tunning(struct mipi_dsim_device *dsim,
- unsigned int value);
-void exynos_mipi_dsi_set_main_stand_by(struct mipi_dsim_device *dsim,
- unsigned int enable);
-void exynos_mipi_dsi_set_main_disp_resol(struct mipi_dsim_device *dsim,
- unsigned int width_resol, unsigned int height_resol);
-void exynos_mipi_dsi_set_main_disp_vporch(struct mipi_dsim_device *dsim,
- unsigned int cmd_allow, unsigned int vfront, unsigned int vback);
-void exynos_mipi_dsi_set_main_disp_hporch(struct mipi_dsim_device *dsim,
- unsigned int front, unsigned int back);
-void exynos_mipi_dsi_set_main_disp_sync_area(struct mipi_dsim_device *dsim,
- unsigned int vert, unsigned int hori);
-void exynos_mipi_dsi_set_sub_disp_resol(struct mipi_dsim_device *dsim,
- unsigned int vert, unsigned int hori);
-void exynos_mipi_dsi_init_config(struct mipi_dsim_device *dsim);
-void exynos_mipi_dsi_display_config(struct mipi_dsim_device *dsim,
- struct mipi_dsim_config *dsim_config);
-void exynos_mipi_dsi_set_data_lane_number(struct mipi_dsim_device *dsim,
- unsigned int count);
-void exynos_mipi_dsi_enable_lane(struct mipi_dsim_device *dsim, unsigned int lane,
- unsigned int enable);
-void exynos_mipi_dsi_enable_afc(struct mipi_dsim_device *dsim, unsigned int enable,
- unsigned int afc_code);
-void exynos_mipi_dsi_enable_pll_bypass(struct mipi_dsim_device *dsim,
- unsigned int enable);
-void exynos_mipi_dsi_set_pll_pms(struct mipi_dsim_device *dsim, unsigned int p,
- unsigned int m, unsigned int s);
-void exynos_mipi_dsi_pll_freq_band(struct mipi_dsim_device *dsim,
- unsigned int freq_band);
-void exynos_mipi_dsi_pll_freq(struct mipi_dsim_device *dsim,
- unsigned int pre_divider, unsigned int main_divider,
- unsigned int scaler);
-void exynos_mipi_dsi_pll_stable_time(struct mipi_dsim_device *dsim,
- unsigned int lock_time);
-void exynos_mipi_dsi_enable_pll(struct mipi_dsim_device *dsim,
- unsigned int enable);
-void exynos_mipi_dsi_set_byte_clock_src(struct mipi_dsim_device *dsim,
- unsigned int src);
-void exynos_mipi_dsi_enable_byte_clock(struct mipi_dsim_device *dsim,
- unsigned int enable);
-void exynos_mipi_dsi_set_esc_clk_prs(struct mipi_dsim_device *dsim,
- unsigned int enable, unsigned int prs_val);
-void exynos_mipi_dsi_enable_esc_clk_on_lane(struct mipi_dsim_device *dsim,
- unsigned int lane_sel, unsigned int enable);
-void exynos_mipi_dsi_force_dphy_stop_state(struct mipi_dsim_device *dsim,
- unsigned int enable);
-unsigned int exynos_mipi_dsi_is_lane_state(struct mipi_dsim_device *dsim);
-void exynos_mipi_dsi_set_stop_state_counter(struct mipi_dsim_device *dsim,
- unsigned int cnt_val);
-void exynos_mipi_dsi_set_bta_timeout(struct mipi_dsim_device *dsim,
- unsigned int timeout);
-void exynos_mipi_dsi_set_lpdr_timeout(struct mipi_dsim_device *dsim,
- unsigned int timeout);
-void exynos_mipi_dsi_set_lcdc_transfer_mode(struct mipi_dsim_device *dsim,
- unsigned int lp);
-void exynos_mipi_dsi_set_cpu_transfer_mode(struct mipi_dsim_device *dsim,
- unsigned int lp);
-void exynos_mipi_dsi_enable_hs_clock(struct mipi_dsim_device *dsim,
- unsigned int enable);
-void exynos_mipi_dsi_dp_dn_swap(struct mipi_dsim_device *dsim,
- unsigned int swap_en);
-void exynos_mipi_dsi_hs_zero_ctrl(struct mipi_dsim_device *dsim,
- unsigned int hs_zero);
-void exynos_mipi_dsi_prep_ctrl(struct mipi_dsim_device *dsim, unsigned int prep);
-unsigned int exynos_mipi_dsi_read_interrupt(struct mipi_dsim_device *dsim);
-unsigned int exynos_mipi_dsi_read_interrupt_mask(struct mipi_dsim_device *dsim);
-void exynos_mipi_dsi_clear_interrupt(struct mipi_dsim_device *dsim,
- unsigned int src);
-void exynos_mipi_dsi_set_interrupt(struct mipi_dsim_device *dsim,
- unsigned int src, unsigned int enable);
-unsigned int exynos_mipi_dsi_is_pll_stable(struct mipi_dsim_device *dsim);
-unsigned int exynos_mipi_dsi_get_fifo_state(struct mipi_dsim_device *dsim);
-unsigned int _exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device *dsim);
-void _exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim);
-void exynos_mipi_dsi_wr_tx_header(struct mipi_dsim_device *dsim, unsigned int di,
- unsigned int data0, unsigned int data1);
-void exynos_mipi_dsi_wr_tx_data(struct mipi_dsim_device *dsim,
- unsigned int tx_data);
-void exynos_mipi_dsi_rd_tx_header(struct mipi_dsim_device *dsim,
- unsigned int data0, unsigned int data1);
-unsigned int exynos_mipi_dsi_rd_rx_fifo(struct mipi_dsim_device *dsim);
-
-#endif /* _EXYNOS_MIPI_DSI_LOWLEVEL_H */
+++ /dev/null
-/* linux/driver/video/exynos/exynos_mipi_dsi_regs.h
- *
- * Register definition file for Samsung MIPI-DSIM driver
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd
- *
- * InKi Dae <inki.dae@samsung.com>
- * Donghwa Lee <dh09.lee@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.
-*/
-
-#ifndef _EXYNOS_MIPI_DSI_REGS_H
-#define _EXYNOS_MIPI_DSI_REGS_H
-
-#define EXYNOS_DSIM_STATUS 0x0 /* Status register */
-#define EXYNOS_DSIM_SWRST 0x4 /* Software reset register */
-#define EXYNOS_DSIM_CLKCTRL 0x8 /* Clock control register */
-#define EXYNOS_DSIM_TIMEOUT 0xc /* Time out register */
-#define EXYNOS_DSIM_CONFIG 0x10 /* Configuration register */
-#define EXYNOS_DSIM_ESCMODE 0x14 /* Escape mode register */
-
-/* Main display image resolution register */
-#define EXYNOS_DSIM_MDRESOL 0x18
-#define EXYNOS_DSIM_MVPORCH 0x1c /* Main display Vporch register */
-#define EXYNOS_DSIM_MHPORCH 0x20 /* Main display Hporch register */
-#define EXYNOS_DSIM_MSYNC 0x24 /* Main display sync area register */
-
-/* Sub display image resolution register */
-#define EXYNOS_DSIM_SDRESOL 0x28
-#define EXYNOS_DSIM_INTSRC 0x2c /* Interrupt source register */
-#define EXYNOS_DSIM_INTMSK 0x30 /* Interrupt mask register */
-#define EXYNOS_DSIM_PKTHDR 0x34 /* Packet Header FIFO register */
-#define EXYNOS_DSIM_PAYLOAD 0x38 /* Payload FIFO register */
-#define EXYNOS_DSIM_RXFIFO 0x3c /* Read FIFO register */
-#define EXYNOS_DSIM_FIFOTHLD 0x40 /* FIFO threshold level register */
-#define EXYNOS_DSIM_FIFOCTRL 0x44 /* FIFO status and control register */
-
-/* FIFO memory AC characteristic register */
-#define EXYNOS_DSIM_PLLCTRL 0x4c /* PLL control register */
-#define EXYNOS_DSIM_PLLTMR 0x50 /* PLL timer register */
-#define EXYNOS_DSIM_PHYACCHR 0x54 /* D-PHY AC characteristic register */
-#define EXYNOS_DSIM_PHYACCHR1 0x58 /* D-PHY AC characteristic register1 */
-
-/* DSIM_STATUS */
-#define DSIM_STOP_STATE_DAT(x) (((x) & 0xf) << 0)
-#define DSIM_STOP_STATE_CLK (1 << 8)
-#define DSIM_TX_READY_HS_CLK (1 << 10)
-
-/* DSIM_SWRST */
-#define DSIM_FUNCRST (1 << 16)
-#define DSIM_SWRST (1 << 0)
-
-/* EXYNOS_DSIM_TIMEOUT */
-#define DSIM_LPDR_TOUT_SHIFT(x) ((x) << 0)
-#define DSIM_BTA_TOUT_SHIFT(x) ((x) << 16)
-
-/* EXYNOS_DSIM_CLKCTRL */
-#define DSIM_LANE_ESC_CLKEN(x) (((x) & 0x1f) << 19)
-#define DSIM_BYTE_CLKEN_SHIFT(x) ((x) << 24)
-#define DSIM_BYTE_CLK_SRC_SHIFT(x) ((x) << 25)
-#define DSIM_PLL_BYPASS_SHIFT(x) ((x) << 27)
-#define DSIM_ESC_CLKEN_SHIFT(x) ((x) << 28)
-#define DSIM_TX_REQUEST_HSCLK_SHIFT(x) ((x) << 31)
-
-/* EXYNOS_DSIM_CONFIG */
-#define DSIM_LANE_ENx(x) (((x) & 0x1f) << 0)
-#define DSIM_NUM_OF_DATALANE_SHIFT(x) ((x) << 5)
-#define DSIM_HSA_MODE_SHIFT(x) ((x) << 20)
-#define DSIM_HBP_MODE_SHIFT(x) ((x) << 21)
-#define DSIM_HFP_MODE_SHIFT(x) ((x) << 22)
-#define DSIM_HSE_MODE_SHIFT(x) ((x) << 23)
-#define DSIM_AUTO_MODE_SHIFT(x) ((x) << 24)
-#define DSIM_EOT_DISABLE(x) ((x) << 28)
-#define DSIM_AUTO_FLUSH(x) ((x) << 29)
-
-#define DSIM_NUM_OF_DATA_LANE(x) ((x) << DSIM_NUM_OF_DATALANE_SHIFT)
-
-/* EXYNOS_DSIM_ESCMODE */
-#define DSIM_TX_LPDT_LP (1 << 6)
-#define DSIM_CMD_LPDT_LP (1 << 7)
-#define DSIM_FORCE_STOP_STATE_SHIFT(x) ((x) << 20)
-#define DSIM_STOP_STATE_CNT_SHIFT(x) ((x) << 21)
-
-/* EXYNOS_DSIM_MDRESOL */
-#define DSIM_MAIN_STAND_BY (1 << 31)
-#define DSIM_MAIN_VRESOL(x) (((x) & 0x7ff) << 16)
-#define DSIM_MAIN_HRESOL(x) (((x) & 0X7ff) << 0)
-
-/* EXYNOS_DSIM_MVPORCH */
-#define DSIM_CMD_ALLOW_SHIFT(x) ((x) << 28)
-#define DSIM_STABLE_VFP_SHIFT(x) ((x) << 16)
-#define DSIM_MAIN_VBP_SHIFT(x) ((x) << 0)
-#define DSIM_CMD_ALLOW_MASK (0xf << 28)
-#define DSIM_STABLE_VFP_MASK (0x7ff << 16)
-#define DSIM_MAIN_VBP_MASK (0x7ff << 0)
-
-/* EXYNOS_DSIM_MHPORCH */
-#define DSIM_MAIN_HFP_SHIFT(x) ((x) << 16)
-#define DSIM_MAIN_HBP_SHIFT(x) ((x) << 0)
-#define DSIM_MAIN_HFP_MASK ((0xffff) << 16)
-#define DSIM_MAIN_HBP_MASK ((0xffff) << 0)
-
-/* EXYNOS_DSIM_MSYNC */
-#define DSIM_MAIN_VSA_SHIFT(x) ((x) << 22)
-#define DSIM_MAIN_HSA_SHIFT(x) ((x) << 0)
-#define DSIM_MAIN_VSA_MASK ((0x3ff) << 22)
-#define DSIM_MAIN_HSA_MASK ((0xffff) << 0)
-
-/* EXYNOS_DSIM_SDRESOL */
-#define DSIM_SUB_STANDY_SHIFT(x) ((x) << 31)
-#define DSIM_SUB_VRESOL_SHIFT(x) ((x) << 16)
-#define DSIM_SUB_HRESOL_SHIFT(x) ((x) << 0)
-#define DSIM_SUB_STANDY_MASK ((0x1) << 31)
-#define DSIM_SUB_VRESOL_MASK ((0x7ff) << 16)
-#define DSIM_SUB_HRESOL_MASK ((0x7ff) << 0)
-
-/* EXYNOS_DSIM_INTSRC */
-#define INTSRC_PLL_STABLE (1 << 31)
-#define INTSRC_SW_RST_RELEASE (1 << 30)
-#define INTSRC_SFR_FIFO_EMPTY (1 << 29)
-#define INTSRC_FRAME_DONE (1 << 24)
-#define INTSRC_RX_DATA_DONE (1 << 18)
-
-/* EXYNOS_DSIM_INTMSK */
-#define INTMSK_FIFO_EMPTY (1 << 29)
-#define INTMSK_BTA (1 << 25)
-#define INTMSK_FRAME_DONE (1 << 24)
-#define INTMSK_RX_TIMEOUT (1 << 21)
-#define INTMSK_BTA_TIMEOUT (1 << 20)
-#define INTMSK_RX_DONE (1 << 18)
-#define INTMSK_RX_TE (1 << 17)
-#define INTMSK_RX_ACK (1 << 16)
-#define INTMSK_RX_ECC_ERR (1 << 15)
-#define INTMSK_RX_CRC_ERR (1 << 14)
-
-/* EXYNOS_DSIM_FIFOCTRL */
-#define SFR_HEADER_EMPTY (1 << 22)
-
-/* EXYNOS_DSIM_PHYACCHR */
-#define DSIM_AFC_CTL(x) (((x) & 0x7) << 5)
-
-/* EXYNOS_DSIM_PLLCTRL */
-#define DSIM_PLL_EN_SHIFT(x) ((x) << 23)
-#define DSIM_FREQ_BAND_SHIFT(x) ((x) << 24)
-
-#endif /* _EXYNOS_MIPI_DSI_REGS_H */
+++ /dev/null
-/* linux/drivers/video/exynos/s6e8ax0.c
- *
- * MIPI-DSI based s6e8ax0 AMOLED lcd 4.65 inch panel driver.
- *
- * Inki Dae, <inki.dae@samsung.com>
- * Donghwa Lee, <dh09.lee@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/mutex.h>
-#include <linux/wait.h>
-#include <linux/ctype.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/lcd.h>
-#include <linux/fb.h>
-#include <linux/backlight.h>
-#include <linux/regulator/consumer.h>
-
-#include <video/mipi_display.h>
-#include <video/exynos_mipi_dsim.h>
-
-#define LDI_MTP_LENGTH 24
-#define DSIM_PM_STABLE_TIME 10
-#define MIN_BRIGHTNESS 0
-#define MAX_BRIGHTNESS 24
-#define GAMMA_TABLE_COUNT 26
-
-#define POWER_IS_ON(pwr) ((pwr) == FB_BLANK_UNBLANK)
-#define POWER_IS_OFF(pwr) ((pwr) == FB_BLANK_POWERDOWN)
-#define POWER_IS_NRM(pwr) ((pwr) == FB_BLANK_NORMAL)
-
-#define lcd_to_master(a) (a->dsim_dev->master)
-#define lcd_to_master_ops(a) ((lcd_to_master(a))->master_ops)
-
-enum {
- DSIM_NONE_STATE = 0,
- DSIM_RESUME_COMPLETE = 1,
- DSIM_FRAME_DONE = 2,
-};
-
-struct s6e8ax0 {
- struct device *dev;
- unsigned int power;
- unsigned int id;
- unsigned int gamma;
- unsigned int acl_enable;
- unsigned int cur_acl;
-
- struct lcd_device *ld;
- struct backlight_device *bd;
-
- struct mipi_dsim_lcd_device *dsim_dev;
- struct lcd_platform_data *ddi_pd;
- struct mutex lock;
- bool enabled;
-};
-
-
-static struct regulator_bulk_data supplies[] = {
- { .supply = "vdd3", },
- { .supply = "vci", },
-};
-
-static void s6e8ax0_regulator_enable(struct s6e8ax0 *lcd)
-{
- int ret = 0;
- struct lcd_platform_data *pd = NULL;
-
- pd = lcd->ddi_pd;
- mutex_lock(&lcd->lock);
- if (!lcd->enabled) {
- ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies);
- if (ret)
- goto out;
-
- lcd->enabled = true;
- }
- msleep(pd->power_on_delay);
-out:
- mutex_unlock(&lcd->lock);
-}
-
-static void s6e8ax0_regulator_disable(struct s6e8ax0 *lcd)
-{
- int ret = 0;
-
- mutex_lock(&lcd->lock);
- if (lcd->enabled) {
- ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies);
- if (ret)
- goto out;
-
- lcd->enabled = false;
- }
-out:
- mutex_unlock(&lcd->lock);
-}
-
-static const unsigned char s6e8ax0_22_gamma_30[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xf5, 0x00, 0xff, 0xad, 0xaf,
- 0xbA, 0xc3, 0xd8, 0xc5, 0x9f, 0xc6, 0x9e, 0xc1, 0xdc, 0xc0,
- 0x00, 0x61, 0x00, 0x5a, 0x00, 0x74,
-};
-
-static const unsigned char s6e8ax0_22_gamma_50[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xe8, 0x1f, 0xf7, 0xad, 0xc0,
- 0xb5, 0xc4, 0xdc, 0xc4, 0x9e, 0xc6, 0x9c, 0xbb, 0xd8, 0xbb,
- 0x00, 0x70, 0x00, 0x68, 0x00, 0x86,
-};
-
-static const unsigned char s6e8ax0_22_gamma_60[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xde, 0x1f, 0xef, 0xad, 0xc4,
- 0xb3, 0xc3, 0xdd, 0xc4, 0x9e, 0xc6, 0x9c, 0xbc, 0xd6, 0xba,
- 0x00, 0x75, 0x00, 0x6e, 0x00, 0x8d,
-};
-
-static const unsigned char s6e8ax0_22_gamma_70[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xd8, 0x1f, 0xe7, 0xaf, 0xc8,
- 0xb4, 0xc4, 0xdd, 0xc3, 0x9d, 0xc6, 0x9c, 0xbb, 0xd6, 0xb9,
- 0x00, 0x7a, 0x00, 0x72, 0x00, 0x93,
-};
-
-static const unsigned char s6e8ax0_22_gamma_80[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xc9, 0x1f, 0xde, 0xae, 0xc9,
- 0xb1, 0xc3, 0xdd, 0xc2, 0x9d, 0xc5, 0x9b, 0xbc, 0xd6, 0xbb,
- 0x00, 0x7f, 0x00, 0x77, 0x00, 0x99,
-};
-
-static const unsigned char s6e8ax0_22_gamma_90[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xc7, 0x1f, 0xd9, 0xb0, 0xcc,
- 0xb2, 0xc3, 0xdc, 0xc1, 0x9c, 0xc6, 0x9c, 0xbc, 0xd4, 0xb9,
- 0x00, 0x83, 0x00, 0x7b, 0x00, 0x9e,
-};
-
-static const unsigned char s6e8ax0_22_gamma_100[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xbd, 0x80, 0xcd, 0xba, 0xce,
- 0xb3, 0xc4, 0xde, 0xc3, 0x9c, 0xc4, 0x9, 0xb8, 0xd3, 0xb6,
- 0x00, 0x88, 0x00, 0x80, 0x00, 0xa5,
-};
-
-static const unsigned char s6e8ax0_22_gamma_120[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb9, 0x95, 0xc8, 0xb1, 0xcf,
- 0xb2, 0xc6, 0xdf, 0xc5, 0x9b, 0xc3, 0x99, 0xb6, 0xd2, 0xb6,
- 0x00, 0x8f, 0x00, 0x86, 0x00, 0xac,
-};
-
-static const unsigned char s6e8ax0_22_gamma_130[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb7, 0xa0, 0xc7, 0xb1, 0xd0,
- 0xb2, 0xc4, 0xdd, 0xc3, 0x9a, 0xc3, 0x98, 0xb6, 0xd0, 0xb4,
- 0x00, 0x92, 0x00, 0x8a, 0x00, 0xb1,
-};
-
-static const unsigned char s6e8ax0_22_gamma_140[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb7, 0xa0, 0xc5, 0xb2, 0xd0,
- 0xb3, 0xc3, 0xde, 0xc3, 0x9b, 0xc2, 0x98, 0xb6, 0xd0, 0xb4,
- 0x00, 0x95, 0x00, 0x8d, 0x00, 0xb5,
-};
-
-static const unsigned char s6e8ax0_22_gamma_150[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xa0, 0xc2, 0xb2, 0xd0,
- 0xb2, 0xc1, 0xdd, 0xc2, 0x9b, 0xc2, 0x98, 0xb4, 0xcf, 0xb1,
- 0x00, 0x99, 0x00, 0x90, 0x00, 0xba,
-};
-
-static const unsigned char s6e8ax0_22_gamma_160[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xa5, 0xbf, 0xb0, 0xd0,
- 0xb1, 0xc3, 0xde, 0xc2, 0x99, 0xc1, 0x97, 0xb4, 0xce, 0xb1,
- 0x00, 0x9c, 0x00, 0x93, 0x00, 0xbe,
-};
-
-static const unsigned char s6e8ax0_22_gamma_170[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb5, 0xbf, 0xb1, 0xd1,
- 0xb1, 0xc3, 0xde, 0xc3, 0x99, 0xc0, 0x96, 0xb4, 0xce, 0xb1,
- 0x00, 0x9f, 0x00, 0x96, 0x00, 0xc2,
-};
-
-static const unsigned char s6e8ax0_22_gamma_180[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb7, 0xbe, 0xb3, 0xd2,
- 0xb3, 0xc3, 0xde, 0xc2, 0x97, 0xbf, 0x95, 0xb4, 0xcd, 0xb1,
- 0x00, 0xa2, 0x00, 0x99, 0x00, 0xc5,
-};
-
-static const unsigned char s6e8ax0_22_gamma_190[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb9, 0xbe, 0xb2, 0xd2,
- 0xb2, 0xc3, 0xdd, 0xc3, 0x98, 0xbf, 0x95, 0xb2, 0xcc, 0xaf,
- 0x00, 0xa5, 0x00, 0x9c, 0x00, 0xc9,
-};
-
-static const unsigned char s6e8ax0_22_gamma_200[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb9, 0xbc, 0xb2, 0xd2,
- 0xb1, 0xc4, 0xdd, 0xc3, 0x97, 0xbe, 0x95, 0xb1, 0xcb, 0xae,
- 0x00, 0xa8, 0x00, 0x9f, 0x00, 0xcd,
-};
-
-static const unsigned char s6e8ax0_22_gamma_210[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc1, 0xbd, 0xb1, 0xd1,
- 0xb1, 0xc2, 0xde, 0xc2, 0x97, 0xbe, 0x94, 0xB0, 0xc9, 0xad,
- 0x00, 0xae, 0x00, 0xa4, 0x00, 0xd4,
-};
-
-static const unsigned char s6e8ax0_22_gamma_220[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc7, 0xbd, 0xb1, 0xd1,
- 0xb1, 0xc2, 0xdd, 0xc2, 0x97, 0xbd, 0x94, 0xb0, 0xc9, 0xad,
- 0x00, 0xad, 0x00, 0xa2, 0x00, 0xd3,
-};
-
-static const unsigned char s6e8ax0_22_gamma_230[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc3, 0xbd, 0xb2, 0xd1,
- 0xb1, 0xc3, 0xdd, 0xc1, 0x96, 0xbd, 0x94, 0xb0, 0xc9, 0xad,
- 0x00, 0xb0, 0x00, 0xa7, 0x00, 0xd7,
-};
-
-static const unsigned char s6e8ax0_22_gamma_240[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xcb, 0xbd, 0xb1, 0xd2,
- 0xb1, 0xc3, 0xdD, 0xc2, 0x95, 0xbd, 0x93, 0xaf, 0xc8, 0xab,
- 0x00, 0xb3, 0x00, 0xa9, 0x00, 0xdb,
-};
-
-static const unsigned char s6e8ax0_22_gamma_250[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xcc, 0xbe, 0xb0, 0xd2,
- 0xb0, 0xc3, 0xdD, 0xc2, 0x94, 0xbc, 0x92, 0xae, 0xc8, 0xab,
- 0x00, 0xb6, 0x00, 0xab, 0x00, 0xde,
-};
-
-static const unsigned char s6e8ax0_22_gamma_260[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xd0, 0xbe, 0xaf, 0xd1,
- 0xaf, 0xc2, 0xdd, 0xc1, 0x96, 0xbc, 0x93, 0xaf, 0xc8, 0xac,
- 0x00, 0xb7, 0x00, 0xad, 0x00, 0xe0,
-};
-
-static const unsigned char s6e8ax0_22_gamma_270[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb2, 0xcF, 0xbd, 0xb0, 0xd2,
- 0xaf, 0xc2, 0xdc, 0xc1, 0x95, 0xbd, 0x93, 0xae, 0xc6, 0xaa,
- 0x00, 0xba, 0x00, 0xb0, 0x00, 0xe4,
-};
-
-static const unsigned char s6e8ax0_22_gamma_280[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb2, 0xd0, 0xbd, 0xaf, 0xd0,
- 0xad, 0xc4, 0xdd, 0xc3, 0x95, 0xbd, 0x93, 0xac, 0xc5, 0xa9,
- 0x00, 0xbd, 0x00, 0xb2, 0x00, 0xe7,
-};
-
-static const unsigned char s6e8ax0_22_gamma_300[] = {
- 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb5, 0xd3, 0xbd, 0xb1, 0xd2,
- 0xb0, 0xc0, 0xdc, 0xc0, 0x94, 0xba, 0x91, 0xac, 0xc5, 0xa9,
- 0x00, 0xc2, 0x00, 0xb7, 0x00, 0xed,
-};
-
-static const unsigned char *s6e8ax0_22_gamma_table[] = {
- s6e8ax0_22_gamma_30,
- s6e8ax0_22_gamma_50,
- s6e8ax0_22_gamma_60,
- s6e8ax0_22_gamma_70,
- s6e8ax0_22_gamma_80,
- s6e8ax0_22_gamma_90,
- s6e8ax0_22_gamma_100,
- s6e8ax0_22_gamma_120,
- s6e8ax0_22_gamma_130,
- s6e8ax0_22_gamma_140,
- s6e8ax0_22_gamma_150,
- s6e8ax0_22_gamma_160,
- s6e8ax0_22_gamma_170,
- s6e8ax0_22_gamma_180,
- s6e8ax0_22_gamma_190,
- s6e8ax0_22_gamma_200,
- s6e8ax0_22_gamma_210,
- s6e8ax0_22_gamma_220,
- s6e8ax0_22_gamma_230,
- s6e8ax0_22_gamma_240,
- s6e8ax0_22_gamma_250,
- s6e8ax0_22_gamma_260,
- s6e8ax0_22_gamma_270,
- s6e8ax0_22_gamma_280,
- s6e8ax0_22_gamma_300,
-};
-
-static void s6e8ax0_panel_cond(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
-
- static const unsigned char data_to_send[] = {
- 0xf8, 0x3d, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, 0x3c, 0x7d,
- 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, 0x00, 0x20, 0x04, 0x08,
- 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0,
- 0xc8, 0x08, 0x48, 0xc1, 0x00, 0xc1, 0xff, 0xff, 0xc8
- };
- static const unsigned char data_to_send_panel_reverse[] = {
- 0xf8, 0x19, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, 0x3c, 0x7d,
- 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, 0x00, 0x20, 0x04, 0x08,
- 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0,
- 0xc1, 0x01, 0x41, 0xc1, 0x00, 0xc1, 0xf6, 0xf6, 0xc1
- };
-
- if (lcd->dsim_dev->panel_reverse)
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send_panel_reverse,
- ARRAY_SIZE(data_to_send_panel_reverse));
- else
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_display_cond(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xf2, 0x80, 0x03, 0x0d
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-/* Gamma 2.2 Setting (200cd, 7500K, 10MPCD) */
-static void s6e8ax0_gamma_cond(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- unsigned int gamma = lcd->bd->props.brightness;
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- s6e8ax0_22_gamma_table[gamma],
- GAMMA_TABLE_COUNT);
-}
-
-static void s6e8ax0_gamma_update(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xf7, 0x03
- };
-
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_SHORT_WRITE_PARAM, data_to_send,
- ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_etc_cond1(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xd1, 0xfe, 0x80, 0x00, 0x01, 0x0b, 0x00, 0x00, 0x40,
- 0x0d, 0x00, 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_etc_cond2(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xff, 0x44, 0x44, 0xc0,
- 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_etc_cond3(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xe1, 0x10, 0x1c, 0x17, 0x08, 0x1d
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_etc_cond4(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xe2, 0xed, 0x07, 0xc3, 0x13, 0x0d, 0x03
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_etc_cond5(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x19, 0x33, 0x02
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-static void s6e8ax0_etc_cond6(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xe3, 0x40
- };
-
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_SHORT_WRITE_PARAM,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_etc_cond7(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xe4, 0x00, 0x00, 0x14, 0x80, 0x00, 0x00, 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_elvss_set(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xb1, 0x04, 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_elvss_nvm_set(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xd9, 0x5c, 0x20, 0x0c, 0x0f, 0x41, 0x00, 0x10, 0x11,
- 0x12, 0xd1, 0x00, 0x00, 0x00, 0x00, 0x80, 0xcb, 0xed,
- 0x64, 0xaf
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_sleep_in(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0x10, 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_SHORT_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_sleep_out(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0x11, 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_SHORT_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_display_on(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0x29, 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_SHORT_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_display_off(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0x28, 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_SHORT_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_apply_level2_key(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xf0, 0x5a, 0x5a
- };
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_acl_on(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xc0, 0x01
- };
-
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_SHORT_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-static void s6e8ax0_acl_off(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- static const unsigned char data_to_send[] = {
- 0xc0, 0x00
- };
-
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_SHORT_WRITE,
- data_to_send, ARRAY_SIZE(data_to_send));
-}
-
-/* Full white 50% reducing setting */
-static void s6e8ax0_acl_ctrl_set(struct s6e8ax0 *lcd)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- /* Full white 50% reducing setting */
- static const unsigned char cutoff_50[] = {
- 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf,
- 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x01, 0x08, 0x0f, 0x16, 0x1d, 0x24, 0x2a, 0x31, 0x38,
- 0x3f, 0x46
- };
- /* Full white 45% reducing setting */
- static const unsigned char cutoff_45[] = {
- 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf,
- 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x01, 0x07, 0x0d, 0x13, 0x19, 0x1f, 0x25, 0x2b, 0x31,
- 0x37, 0x3d
- };
- /* Full white 40% reducing setting */
- static const unsigned char cutoff_40[] = {
- 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf,
- 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x01, 0x06, 0x0c, 0x11, 0x16, 0x1c, 0x21, 0x26, 0x2b,
- 0x31, 0x36
- };
-
- if (lcd->acl_enable) {
- if (lcd->cur_acl == 0) {
- if (lcd->gamma == 0 || lcd->gamma == 1) {
- s6e8ax0_acl_off(lcd);
- dev_dbg(&lcd->ld->dev,
- "cur_acl=%d\n", lcd->cur_acl);
- } else
- s6e8ax0_acl_on(lcd);
- }
- switch (lcd->gamma) {
- case 0: /* 30cd */
- s6e8ax0_acl_off(lcd);
- lcd->cur_acl = 0;
- break;
- case 1 ... 3: /* 50cd ~ 90cd */
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_LONG_WRITE,
- cutoff_40,
- ARRAY_SIZE(cutoff_40));
- lcd->cur_acl = 40;
- break;
- case 4 ... 7: /* 120cd ~ 210cd */
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_LONG_WRITE,
- cutoff_45,
- ARRAY_SIZE(cutoff_45));
- lcd->cur_acl = 45;
- break;
- case 8 ... 10: /* 220cd ~ 300cd */
- ops->cmd_write(lcd_to_master(lcd),
- MIPI_DSI_DCS_LONG_WRITE,
- cutoff_50,
- ARRAY_SIZE(cutoff_50));
- lcd->cur_acl = 50;
- break;
- default:
- break;
- }
- } else {
- s6e8ax0_acl_off(lcd);
- lcd->cur_acl = 0;
- dev_dbg(&lcd->ld->dev, "cur_acl = %d\n", lcd->cur_acl);
- }
-}
-
-static void s6e8ax0_read_id(struct s6e8ax0 *lcd, u8 *mtp_id)
-{
- unsigned int ret;
- unsigned int addr = 0xd1; /* MTP ID */
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
-
- ret = ops->cmd_read(lcd_to_master(lcd),
- MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM,
- addr, 3, mtp_id);
-}
-
-static int s6e8ax0_panel_init(struct s6e8ax0 *lcd)
-{
- s6e8ax0_apply_level2_key(lcd);
- s6e8ax0_sleep_out(lcd);
- msleep(1);
- s6e8ax0_panel_cond(lcd);
- s6e8ax0_display_cond(lcd);
- s6e8ax0_gamma_cond(lcd);
- s6e8ax0_gamma_update(lcd);
-
- s6e8ax0_etc_cond1(lcd);
- s6e8ax0_etc_cond2(lcd);
- s6e8ax0_etc_cond3(lcd);
- s6e8ax0_etc_cond4(lcd);
- s6e8ax0_etc_cond5(lcd);
- s6e8ax0_etc_cond6(lcd);
- s6e8ax0_etc_cond7(lcd);
-
- s6e8ax0_elvss_nvm_set(lcd);
- s6e8ax0_elvss_set(lcd);
-
- s6e8ax0_acl_ctrl_set(lcd);
- s6e8ax0_acl_on(lcd);
-
- /* if ID3 value is not 33h, branch private elvss mode */
- msleep(lcd->ddi_pd->power_on_delay);
-
- return 0;
-}
-
-static int s6e8ax0_update_gamma_ctrl(struct s6e8ax0 *lcd, int brightness)
-{
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
-
- ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE,
- s6e8ax0_22_gamma_table[brightness],
- ARRAY_SIZE(s6e8ax0_22_gamma_table));
-
- /* update gamma table. */
- s6e8ax0_gamma_update(lcd);
- lcd->gamma = brightness;
-
- return 0;
-}
-
-static int s6e8ax0_gamma_ctrl(struct s6e8ax0 *lcd, int gamma)
-{
- s6e8ax0_update_gamma_ctrl(lcd, gamma);
-
- return 0;
-}
-
-static int s6e8ax0_set_power(struct lcd_device *ld, int power)
-{
- struct s6e8ax0 *lcd = lcd_get_data(ld);
- struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd);
- int ret = 0;
-
- if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN &&
- power != FB_BLANK_NORMAL) {
- dev_err(lcd->dev, "power value should be 0, 1 or 4.\n");
- return -EINVAL;
- }
-
- if ((power == FB_BLANK_UNBLANK) && ops->set_blank_mode) {
- /* LCD power on */
- if ((POWER_IS_ON(power) && POWER_IS_OFF(lcd->power))
- || (POWER_IS_ON(power) && POWER_IS_NRM(lcd->power))) {
- ret = ops->set_blank_mode(lcd_to_master(lcd), power);
- if (!ret && lcd->power != power)
- lcd->power = power;
- }
- } else if ((power == FB_BLANK_POWERDOWN) && ops->set_early_blank_mode) {
- /* LCD power off */
- if ((POWER_IS_OFF(power) && POWER_IS_ON(lcd->power)) ||
- (POWER_IS_ON(lcd->power) && POWER_IS_NRM(power))) {
- ret = ops->set_early_blank_mode(lcd_to_master(lcd),
- power);
- if (!ret && lcd->power != power)
- lcd->power = power;
- }
- }
-
- return ret;
-}
-
-static int s6e8ax0_get_power(struct lcd_device *ld)
-{
- struct s6e8ax0 *lcd = lcd_get_data(ld);
-
- return lcd->power;
-}
-
-static int s6e8ax0_set_brightness(struct backlight_device *bd)
-{
- int ret = 0, brightness = bd->props.brightness;
- struct s6e8ax0 *lcd = bl_get_data(bd);
-
- if (brightness < MIN_BRIGHTNESS ||
- brightness > bd->props.max_brightness) {
- dev_err(lcd->dev, "lcd brightness should be %d to %d.\n",
- MIN_BRIGHTNESS, MAX_BRIGHTNESS);
- return -EINVAL;
- }
-
- ret = s6e8ax0_gamma_ctrl(lcd, brightness);
- if (ret) {
- dev_err(&bd->dev, "lcd brightness setting failed.\n");
- return -EIO;
- }
-
- return ret;
-}
-
-static struct lcd_ops s6e8ax0_lcd_ops = {
- .set_power = s6e8ax0_set_power,
- .get_power = s6e8ax0_get_power,
-};
-
-static const struct backlight_ops s6e8ax0_backlight_ops = {
- .update_status = s6e8ax0_set_brightness,
-};
-
-static void s6e8ax0_power_on(struct mipi_dsim_lcd_device *dsim_dev, int power)
-{
- struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev);
-
- msleep(lcd->ddi_pd->power_on_delay);
-
- /* lcd power on */
- if (power)
- s6e8ax0_regulator_enable(lcd);
- else
- s6e8ax0_regulator_disable(lcd);
-
- msleep(lcd->ddi_pd->reset_delay);
-
- /* lcd reset */
- if (lcd->ddi_pd->reset)
- lcd->ddi_pd->reset(lcd->ld);
- msleep(5);
-}
-
-static void s6e8ax0_set_sequence(struct mipi_dsim_lcd_device *dsim_dev)
-{
- struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev);
-
- s6e8ax0_panel_init(lcd);
- s6e8ax0_display_on(lcd);
-
- lcd->power = FB_BLANK_UNBLANK;
-}
-
-static int s6e8ax0_probe(struct mipi_dsim_lcd_device *dsim_dev)
-{
- struct s6e8ax0 *lcd;
- int ret;
- u8 mtp_id[3] = {0, };
-
- lcd = devm_kzalloc(&dsim_dev->dev, sizeof(struct s6e8ax0), GFP_KERNEL);
- if (!lcd) {
- dev_err(&dsim_dev->dev, "failed to allocate s6e8ax0 structure.\n");
- return -ENOMEM;
- }
-
- lcd->dsim_dev = dsim_dev;
- lcd->ddi_pd = (struct lcd_platform_data *)dsim_dev->platform_data;
- lcd->dev = &dsim_dev->dev;
-
- mutex_init(&lcd->lock);
-
- ret = devm_regulator_bulk_get(lcd->dev, ARRAY_SIZE(supplies), supplies);
- if (ret) {
- dev_err(lcd->dev, "Failed to get regulators: %d\n", ret);
- return ret;
- }
-
- lcd->ld = devm_lcd_device_register(lcd->dev, "s6e8ax0", lcd->dev, lcd,
- &s6e8ax0_lcd_ops);
- if (IS_ERR(lcd->ld)) {
- dev_err(lcd->dev, "failed to register lcd ops.\n");
- return PTR_ERR(lcd->ld);
- }
-
- lcd->bd = devm_backlight_device_register(lcd->dev, "s6e8ax0-bl",
- lcd->dev, lcd, &s6e8ax0_backlight_ops, NULL);
- if (IS_ERR(lcd->bd)) {
- dev_err(lcd->dev, "failed to register backlight ops.\n");
- return PTR_ERR(lcd->bd);
- }
-
- lcd->bd->props.max_brightness = MAX_BRIGHTNESS;
- lcd->bd->props.brightness = MAX_BRIGHTNESS;
-
- s6e8ax0_read_id(lcd, mtp_id);
- if (mtp_id[0] == 0x00)
- dev_err(lcd->dev, "read id failed\n");
-
- dev_info(lcd->dev, "Read ID : %x, %x, %x\n",
- mtp_id[0], mtp_id[1], mtp_id[2]);
-
- if (mtp_id[2] == 0x33)
- dev_info(lcd->dev,
- "ID-3 is 0xff does not support dynamic elvss\n");
- else
- dev_info(lcd->dev,
- "ID-3 is 0x%x support dynamic elvss\n", mtp_id[2]);
-
- lcd->acl_enable = 1;
- lcd->cur_acl = 0;
-
- dev_set_drvdata(&dsim_dev->dev, lcd);
-
- dev_dbg(lcd->dev, "probed s6e8ax0 panel driver.\n");
-
- return 0;
-}
-
-static int __maybe_unused s6e8ax0_suspend(struct mipi_dsim_lcd_device *dsim_dev)
-{
- struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev);
-
- s6e8ax0_sleep_in(lcd);
- msleep(lcd->ddi_pd->power_off_delay);
- s6e8ax0_display_off(lcd);
-
- s6e8ax0_regulator_disable(lcd);
-
- return 0;
-}
-
-static int __maybe_unused s6e8ax0_resume(struct mipi_dsim_lcd_device *dsim_dev)
-{
- struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev);
-
- s6e8ax0_sleep_out(lcd);
- msleep(lcd->ddi_pd->power_on_delay);
-
- s6e8ax0_regulator_enable(lcd);
- s6e8ax0_set_sequence(dsim_dev);
-
- return 0;
-}
-
-static struct mipi_dsim_lcd_driver s6e8ax0_dsim_ddi_driver = {
- .name = "s6e8ax0",
- .id = -1,
-
- .power_on = s6e8ax0_power_on,
- .set_sequence = s6e8ax0_set_sequence,
- .probe = s6e8ax0_probe,
- .suspend = IS_ENABLED(CONFIG_PM) ? s6e8ax0_suspend : NULL,
- .resume = IS_ENABLED(CONFIG_PM) ? s6e8ax0_resume : NULL,
-};
-
-static int s6e8ax0_init(void)
-{
- exynos_mipi_dsi_register_lcd_driver(&s6e8ax0_dsim_ddi_driver);
-
- return 0;
-}
-
-static void s6e8ax0_exit(void)
-{
- return;
-}
-
-module_init(s6e8ax0_init);
-module_exit(s6e8ax0_exit);
-
-MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>");
-MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
-MODULE_DESCRIPTION("MIPI-DSI based s6e8ax0 AMOLED LCD Panel Driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/* include/video/exynos_mipi_dsim.h
- *
- * Platform data header for Samsung SoC MIPI-DSIM.
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd
- *
- * InKi Dae <inki.dae@samsung.com>
- * Donghwa Lee <dh09.lee@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.
-*/
-
-#ifndef _EXYNOS_MIPI_DSIM_H
-#define _EXYNOS_MIPI_DSIM_H
-
-#include <linux/device.h>
-#include <linux/fb.h>
-
-#define PANEL_NAME_SIZE (32)
-
-/*
- * Enumerate display interface type.
- *
- * DSIM_COMMAND means cpu interface and rgb interface for DSIM_VIDEO.
- *
- * P.S. MIPI DSI Master has two display controller intefaces, RGB Interface
- * for main display and CPU Interface(same as I80 Interface) for main
- * and sub display.
- */
-enum mipi_dsim_interface_type {
- DSIM_COMMAND,
- DSIM_VIDEO
-};
-
-enum mipi_dsim_virtual_ch_no {
- DSIM_VIRTUAL_CH_0,
- DSIM_VIRTUAL_CH_1,
- DSIM_VIRTUAL_CH_2,
- DSIM_VIRTUAL_CH_3
-};
-
-enum mipi_dsim_burst_mode_type {
- DSIM_NON_BURST_SYNC_EVENT,
- DSIM_BURST_SYNC_EVENT,
- DSIM_NON_BURST_SYNC_PULSE,
- DSIM_BURST,
- DSIM_NON_VIDEO_MODE
-};
-
-enum mipi_dsim_no_of_data_lane {
- DSIM_DATA_LANE_1,
- DSIM_DATA_LANE_2,
- DSIM_DATA_LANE_3,
- DSIM_DATA_LANE_4
-};
-
-enum mipi_dsim_byte_clk_src {
- DSIM_PLL_OUT_DIV8,
- DSIM_EXT_CLK_DIV8,
- DSIM_EXT_CLK_BYPASS
-};
-
-enum mipi_dsim_pixel_format {
- DSIM_CMD_3BPP,
- DSIM_CMD_8BPP,
- DSIM_CMD_12BPP,
- DSIM_CMD_16BPP,
- DSIM_VID_16BPP_565,
- DSIM_VID_18BPP_666PACKED,
- DSIM_18BPP_666LOOSELYPACKED,
- DSIM_24BPP_888
-};
-
-/*
- * struct mipi_dsim_config - interface for configuring mipi-dsi controller.
- *
- * @auto_flush: enable or disable Auto flush of MD FIFO using VSYNC pulse.
- * @eot_disable: enable or disable EoT packet in HS mode.
- * @auto_vertical_cnt: specifies auto vertical count mode.
- * in Video mode, the vertical line transition uses line counter
- * configured by VSA, VBP, and Vertical resolution.
- * If this bit is set to '1', the line counter does not use VSA and VBP
- * registers.(in command mode, this variable is ignored)
- * @hse: set horizontal sync event mode.
- * In VSYNC pulse and Vporch area, MIPI DSI master transfers only HSYNC
- * start packet to MIPI DSI slave at MIPI DSI spec1.1r02.
- * this bit transfers HSYNC end packet in VSYNC pulse and Vporch area
- * (in mommand mode, this variable is ignored)
- * @hfp: specifies HFP disable mode.
- * if this variable is set, DSI master ignores HFP area in VIDEO mode.
- * (in command mode, this variable is ignored)
- * @hbp: specifies HBP disable mode.
- * if this variable is set, DSI master ignores HBP area in VIDEO mode.
- * (in command mode, this variable is ignored)
- * @hsa: specifies HSA disable mode.
- * if this variable is set, DSI master ignores HSA area in VIDEO mode.
- * (in command mode, this variable is ignored)
- * @cma_allow: specifies the number of horizontal lines, where command packet
- * transmission is allowed after Stable VFP period.
- * @e_interface: specifies interface to be used.(CPU or RGB interface)
- * @e_virtual_ch: specifies virtual channel number that main or
- * sub diaplsy uses.
- * @e_pixel_format: specifies pixel stream format for main or sub display.
- * @e_burst_mode: selects Burst mode in Video mode.
- * in Non-burst mode, RGB data area is filled with RGB data and NULL
- * packets, according to input bandwidth of RGB interface.
- * In Burst mode, RGB data area is filled with RGB data only.
- * @e_no_data_lane: specifies data lane count to be used by Master.
- * @e_byte_clk: select byte clock source. (it must be DSIM_PLL_OUT_DIV8)
- * DSIM_EXT_CLK_DIV8 and DSIM_EXT_CLK_BYPASSS are not supported.
- * @pll_stable_time: specifies the PLL Timer for stability of the ganerated
- * clock(System clock cycle base)
- * if the timer value goes to 0x00000000, the clock stable bit of status
- * and interrupt register is set.
- * @esc_clk: specifies escape clock frequency for getting the escape clock
- * prescaler value.
- * @stop_holding_cnt: specifies the interval value between transmitting
- * read packet(or write "set_tear_on" command) and BTA request.
- * after transmitting read packet or write "set_tear_on" command,
- * BTA requests to D-PHY automatically. this counter value specifies
- * the interval between them.
- * @bta_timeout: specifies the timer for BTA.
- * this register specifies time out from BTA request to change
- * the direction with respect to Tx escape clock.
- * @rx_timeout: specifies the timer for LP Rx mode timeout.
- * this register specifies time out on how long RxValid deasserts,
- * after RxLpdt asserts with respect to Tx escape clock.
- * - RxValid specifies Rx data valid indicator.
- * - RxLpdt specifies an indicator that D-PHY is under RxLpdt mode.
- * - RxValid and RxLpdt specifies signal from D-PHY.
- */
-struct mipi_dsim_config {
- unsigned char auto_flush;
- unsigned char eot_disable;
-
- unsigned char auto_vertical_cnt;
- unsigned char hse;
- unsigned char hfp;
- unsigned char hbp;
- unsigned char hsa;
- unsigned char cmd_allow;
-
- enum mipi_dsim_interface_type e_interface;
- enum mipi_dsim_virtual_ch_no e_virtual_ch;
- enum mipi_dsim_pixel_format e_pixel_format;
- enum mipi_dsim_burst_mode_type e_burst_mode;
- enum mipi_dsim_no_of_data_lane e_no_data_lane;
- enum mipi_dsim_byte_clk_src e_byte_clk;
-
- /*
- * ===========================================
- * | P | M | S | MHz |
- * -------------------------------------------
- * | 3 | 100 | 3 | 100 |
- * | 3 | 100 | 2 | 200 |
- * | 3 | 63 | 1 | 252 |
- * | 4 | 100 | 1 | 300 |
- * | 4 | 110 | 1 | 330 |
- * | 12 | 350 | 1 | 350 |
- * | 3 | 100 | 1 | 400 |
- * | 4 | 150 | 1 | 450 |
- * | 6 | 118 | 1 | 472 |
- * | 3 | 120 | 1 | 480 |
- * | 12 | 250 | 0 | 500 |
- * | 4 | 100 | 0 | 600 |
- * | 3 | 81 | 0 | 648 |
- * | 3 | 88 | 0 | 704 |
- * | 3 | 90 | 0 | 720 |
- * | 3 | 100 | 0 | 800 |
- * | 12 | 425 | 0 | 850 |
- * | 4 | 150 | 0 | 900 |
- * | 12 | 475 | 0 | 950 |
- * | 6 | 250 | 0 | 1000 |
- * -------------------------------------------
- */
-
- /*
- * pms could be calculated as the following.
- * M * 24 / P * 2 ^ S = MHz
- */
- unsigned char p;
- unsigned short m;
- unsigned char s;
-
- unsigned int pll_stable_time;
- unsigned long esc_clk;
-
- unsigned short stop_holding_cnt;
- unsigned char bta_timeout;
- unsigned short rx_timeout;
-};
-
-/*
- * struct mipi_dsim_device - global interface for mipi-dsi driver.
- *
- * @dev: driver model representation of the device.
- * @id: unique device id.
- * @clock: pointer to MIPI-DSI clock of clock framework.
- * @irq: interrupt number to MIPI-DSI controller.
- * @reg_base: base address to memory mapped SRF of MIPI-DSI controller.
- * (virtual address)
- * @lock: the mutex protecting this data structure.
- * @dsim_info: infomation for configuring mipi-dsi controller.
- * @master_ops: callbacks to mipi-dsi operations.
- * @dsim_lcd_dev: pointer to activated ddi device.
- * (it would be registered by mipi-dsi driver.)
- * @dsim_lcd_drv: pointer to activated_ddi driver.
- * (it would be registered by mipi-dsi driver.)
- * @lcd_info: pointer to mipi_lcd_info structure.
- * @state: specifies status of MIPI-DSI controller.
- * the status could be RESET, INIT, STOP, HSCLKEN and ULPS.
- * @data_lane: specifiec enabled data lane number.
- * this variable would be set by driver according to e_no_data_lane
- * automatically.
- * @e_clk_src: select byte clock source.
- * @pd: pointer to MIPI-DSI driver platform data.
- * @phy: pointer to the MIPI-DSI PHY
- */
-struct mipi_dsim_device {
- struct device *dev;
- int id;
- struct clk *clock;
- unsigned int irq;
- void __iomem *reg_base;
- struct mutex lock;
-
- struct mipi_dsim_config *dsim_config;
- struct mipi_dsim_master_ops *master_ops;
- struct mipi_dsim_lcd_device *dsim_lcd_dev;
- struct mipi_dsim_lcd_driver *dsim_lcd_drv;
-
- unsigned int state;
- unsigned int data_lane;
- unsigned int e_clk_src;
- bool suspended;
-
- struct mipi_dsim_platform_data *pd;
- struct phy *phy;
-};
-
-/*
- * struct mipi_dsim_platform_data - interface to platform data
- * for mipi-dsi driver.
- *
- * @lcd_panel_name: specifies lcd panel name registered to mipi-dsi driver.
- * lcd panel driver searched would be actived.
- * @dsim_config: pointer of structure for configuring mipi-dsi controller.
- * @enabled: indicate whether mipi controller got enabled or not.
- * @lcd_panel_info: pointer for lcd panel specific structure.
- * this structure specifies width, height, timing and polarity and so on.
- */
-struct mipi_dsim_platform_data {
- char lcd_panel_name[PANEL_NAME_SIZE];
-
- struct mipi_dsim_config *dsim_config;
- unsigned int enabled;
- void *lcd_panel_info;
-};
-
-/*
- * struct mipi_dsim_master_ops - callbacks to mipi-dsi operations.
- *
- * @cmd_write: transfer command to lcd panel at LP mode.
- * @cmd_read: read command from rx register.
- * @get_dsim_frame_done: get the status that all screen data have been
- * transferred to mipi-dsi.
- * @clear_dsim_frame_done: clear frame done status.
- * @get_fb_frame_done: get frame done status of display controller.
- * @trigger: trigger display controller.
- * - this one would be used only in case of CPU mode.
- * @set_early_blank_mode: set framebuffer blank mode.
- * - this callback should be called prior to fb_blank() by a client driver
- * only if needing.
- * @set_blank_mode: set framebuffer blank mode.
- * - this callback should be called after fb_blank() by a client driver
- * only if needing.
- */
-
-struct mipi_dsim_master_ops {
- int (*cmd_write)(struct mipi_dsim_device *dsim, unsigned int data_id,
- const unsigned char *data0, unsigned int data1);
- int (*cmd_read)(struct mipi_dsim_device *dsim, unsigned int data_id,
- unsigned int data0, unsigned int req_size, u8 *rx_buf);
- int (*get_dsim_frame_done)(struct mipi_dsim_device *dsim);
- int (*clear_dsim_frame_done)(struct mipi_dsim_device *dsim);
-
- int (*get_fb_frame_done)(struct fb_info *info);
- void (*trigger)(struct fb_info *info);
- int (*set_early_blank_mode)(struct mipi_dsim_device *dsim, int power);
- int (*set_blank_mode)(struct mipi_dsim_device *dsim, int power);
-};
-
-/*
- * device structure for mipi-dsi based lcd panel.
- *
- * @name: name of the device to use with this device, or an
- * alias for that name.
- * @dev: driver model representation of the device.
- * @id: id of device to be registered.
- * @bus_id: bus id for identifing connected bus
- * and this bus id should be same as id of mipi_dsim_device.
- * @irq: irq number for signaling when framebuffer transfer of
- * lcd panel module is completed.
- * this irq would be used only for MIPI-DSI based CPU mode lcd panel.
- * @master: pointer to mipi-dsi master device object.
- * @platform_data: lcd panel specific platform data.
- */
-struct mipi_dsim_lcd_device {
- char *name;
- struct device dev;
- int id;
- int bus_id;
- int irq;
- int panel_reverse;
-
- struct mipi_dsim_device *master;
- void *platform_data;
-};
-
-/*
- * driver structure for mipi-dsi based lcd panel.
- *
- * this structure should be registered by lcd panel driver.
- * mipi-dsi driver seeks lcd panel registered through name field
- * and calls these callback functions in appropriate time.
- *
- * @name: name of the driver to use with this device, or an
- * alias for that name.
- * @id: id of driver to be registered.
- * this id would be used for finding device object registered.
- */
-struct mipi_dsim_lcd_driver {
- char *name;
- int id;
-
- void (*power_on)(struct mipi_dsim_lcd_device *dsim_dev, int enable);
- void (*set_sequence)(struct mipi_dsim_lcd_device *dsim_dev);
- int (*probe)(struct mipi_dsim_lcd_device *dsim_dev);
- int (*remove)(struct mipi_dsim_lcd_device *dsim_dev);
- void (*shutdown)(struct mipi_dsim_lcd_device *dsim_dev);
- int (*suspend)(struct mipi_dsim_lcd_device *dsim_dev);
- int (*resume)(struct mipi_dsim_lcd_device *dsim_dev);
-};
-
-/*
- * register mipi_dsim_lcd_device to mipi-dsi master.
- */
-int exynos_mipi_dsi_register_lcd_device(struct mipi_dsim_lcd_device
- *lcd_dev);
-/**
- * register mipi_dsim_lcd_driver object defined by lcd panel driver
- * to mipi-dsi driver.
- */
-int exynos_mipi_dsi_register_lcd_driver(struct mipi_dsim_lcd_driver
- *lcd_drv);
-#endif /* _EXYNOS_MIPI_DSIM_H */
projects / platform / kernel / linux-exynos.git / commitdiff