625 lines
15 KiB
C
625 lines
15 KiB
C
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/* Copyright (c) 2008-2012, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/time.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/spinlock.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/semaphore.h>
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#include <linux/uaccess.h>
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <asm/system.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.h>
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#include <mach/gpio.h>
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#include <mach/clk.h>
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#include "msm_fb.h"
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#include "mipi_dsi.h"
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#include "mdp.h"
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#include "mdp4.h"
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u32 dsi_irq;
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u32 esc_byte_ratio;
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static boolean tlmm_settings = FALSE;
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static int mipi_dsi_probe(struct platform_device *pdev);
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static int mipi_dsi_remove(struct platform_device *pdev);
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static int mipi_dsi_off(struct platform_device *pdev);
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static int mipi_dsi_on(struct platform_device *pdev);
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static struct platform_device *pdev_list[MSM_FB_MAX_DEV_LIST];
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static int pdev_list_cnt;
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static struct mipi_dsi_platform_data *mipi_dsi_pdata;
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static int vsync_gpio = -1;
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static struct platform_driver mipi_dsi_driver = {
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.probe = mipi_dsi_probe,
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.remove = mipi_dsi_remove,
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.shutdown = NULL,
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.driver = {
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.name = "mipi_dsi",
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},
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};
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struct device dsi_dev;
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static int mipi_dsi_off(struct platform_device *pdev)
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{
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int ret = 0;
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struct msm_fb_data_type *mfd;
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struct msm_panel_info *pinfo;
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pr_debug("%s+:\n", __func__);
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mfd = platform_get_drvdata(pdev);
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pinfo = &mfd->panel_info;
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if (mdp_rev >= MDP_REV_41)
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mutex_lock(&mfd->dma->ov_mutex);
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else
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down(&mfd->dma->mutex);
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if (mfd->panel_info.type == MIPI_CMD_PANEL) {
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mipi_dsi_prepare_clocks();
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mipi_dsi_ahb_ctrl(1);
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mipi_dsi_clk_enable();
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/* make sure dsi_cmd_mdp is idle */
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mipi_dsi_cmd_mdp_busy();
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}
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/*
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* Desctiption: change to DSI_CMD_MODE since it needed to
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* tx DCS dsiplay off comamnd to panel
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*/
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mipi_dsi_op_mode_config(DSI_CMD_MODE);
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if (mfd->panel_info.type == MIPI_CMD_PANEL) {
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if (pinfo->lcd.vsync_enable) {
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if (pinfo->lcd.hw_vsync_mode && vsync_gpio >= 0) {
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if (MDP_REV_303 != mdp_rev)
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gpio_free(vsync_gpio);
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}
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mipi_dsi_set_tear_off(mfd);
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}
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}
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ret = panel_next_off(pdev);
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mipi_dsi_clk_disable();
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/* disbale dsi engine */
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MIPI_OUTP(MIPI_DSI_BASE + 0x0000, 0);
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mipi_dsi_phy_ctrl(0);
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mipi_dsi_ahb_ctrl(0);
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mipi_dsi_unprepare_clocks();
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if (mipi_dsi_pdata && mipi_dsi_pdata->dsi_power_save)
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mipi_dsi_pdata->dsi_power_save(0);
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if (mdp_rev >= MDP_REV_41)
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mutex_unlock(&mfd->dma->ov_mutex);
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else
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up(&mfd->dma->mutex);
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pr_debug("%s-:\n", __func__);
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return ret;
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}
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static int mipi_dsi_on(struct platform_device *pdev)
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{
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int ret = 0;
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u32 clk_rate;
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struct msm_fb_data_type *mfd;
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struct fb_info *fbi;
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struct fb_var_screeninfo *var;
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struct msm_panel_info *pinfo;
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struct mipi_panel_info *mipi;
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u32 hbp, hfp, vbp, vfp, hspw, vspw, width, height;
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u32 ystride, bpp, data;
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u32 dummy_xres, dummy_yres;
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int target_type = 0;
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pr_debug("%s+:\n", __func__);
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mfd = platform_get_drvdata(pdev);
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fbi = mfd->fbi;
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var = &fbi->var;
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pinfo = &mfd->panel_info;
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esc_byte_ratio = pinfo->mipi.esc_byte_ratio;
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if (mipi_dsi_pdata && mipi_dsi_pdata->dsi_power_save)
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mipi_dsi_pdata->dsi_power_save(1);
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cont_splash_clk_ctrl(0);
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mipi_dsi_prepare_clocks();
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mipi_dsi_ahb_ctrl(1);
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clk_rate = mfd->fbi->var.pixclock;
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clk_rate = min(clk_rate, mfd->panel_info.clk_max);
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mipi_dsi_phy_ctrl(1);
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if (mdp_rev == MDP_REV_42 && mipi_dsi_pdata)
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target_type = mipi_dsi_pdata->target_type;
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mipi_dsi_phy_init(0, &(mfd->panel_info), target_type);
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mipi_dsi_clk_enable();
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MIPI_OUTP(MIPI_DSI_BASE + 0x114, 1);
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MIPI_OUTP(MIPI_DSI_BASE + 0x114, 0);
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hbp = var->left_margin;
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hfp = var->right_margin;
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vbp = var->upper_margin;
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vfp = var->lower_margin;
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hspw = var->hsync_len;
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vspw = var->vsync_len;
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width = mfd->panel_info.xres;
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height = mfd->panel_info.yres;
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mipi = &mfd->panel_info.mipi;
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if (mfd->panel_info.type == MIPI_VIDEO_PANEL) {
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dummy_xres = mfd->panel_info.lcdc.xres_pad;
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dummy_yres = mfd->panel_info.lcdc.yres_pad;
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if (mdp_rev >= MDP_REV_41) {
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MIPI_OUTP(MIPI_DSI_BASE + 0x20,
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((hspw + hbp + width + dummy_xres) << 16 |
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(hspw + hbp)));
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MIPI_OUTP(MIPI_DSI_BASE + 0x24,
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((vspw + vbp + height + dummy_yres) << 16 |
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(vspw + vbp)));
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MIPI_OUTP(MIPI_DSI_BASE + 0x28,
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(vspw + vbp + height + dummy_yres +
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vfp - 1) << 16 | (hspw + hbp +
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width + dummy_xres + hfp - 1));
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} else {
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/* DSI_LAN_SWAP_CTRL */
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MIPI_OUTP(MIPI_DSI_BASE + 0x00ac, mipi->dlane_swap);
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MIPI_OUTP(MIPI_DSI_BASE + 0x20,
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((hbp + width + dummy_xres) << 16 | (hbp)));
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MIPI_OUTP(MIPI_DSI_BASE + 0x24,
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((vbp + height + dummy_yres) << 16 | (vbp)));
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MIPI_OUTP(MIPI_DSI_BASE + 0x28,
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(vbp + height + dummy_yres + vfp) << 16 |
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(hbp + width + dummy_xres + hfp));
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}
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MIPI_OUTP(MIPI_DSI_BASE + 0x2c, (hspw << 16));
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MIPI_OUTP(MIPI_DSI_BASE + 0x30, 0);
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MIPI_OUTP(MIPI_DSI_BASE + 0x34, (vspw << 16));
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} else { /* command mode */
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if (mipi->dst_format == DSI_CMD_DST_FORMAT_RGB888)
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bpp = 3;
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else if (mipi->dst_format == DSI_CMD_DST_FORMAT_RGB666)
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bpp = 3;
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else if (mipi->dst_format == DSI_CMD_DST_FORMAT_RGB565)
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bpp = 2;
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else
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bpp = 3; /* Default format set to RGB888 */
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ystride = width * bpp + 1;
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/* DSI_COMMAND_MODE_MDP_STREAM_CTRL */
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data = (ystride << 16) | (mipi->vc << 8) | DTYPE_DCS_LWRITE;
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MIPI_OUTP(MIPI_DSI_BASE + 0x5c, data);
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MIPI_OUTP(MIPI_DSI_BASE + 0x54, data);
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/* DSI_COMMAND_MODE_MDP_STREAM_TOTAL */
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data = height << 16 | width;
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MIPI_OUTP(MIPI_DSI_BASE + 0x60, data);
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MIPI_OUTP(MIPI_DSI_BASE + 0x58, data);
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}
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mipi_dsi_host_init(mipi);
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if (mipi->force_clk_lane_hs) {
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u32 tmp;
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tmp = MIPI_INP(MIPI_DSI_BASE + 0xA8);
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tmp |= (1<<28);
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MIPI_OUTP(MIPI_DSI_BASE + 0xA8, tmp);
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wmb();
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}
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if (mdp_rev >= MDP_REV_41)
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mutex_lock(&mfd->dma->ov_mutex);
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else
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down(&mfd->dma->mutex);
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ret = panel_next_on(pdev);
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mipi_dsi_op_mode_config(mipi->mode);
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if (mfd->panel_info.type == MIPI_CMD_PANEL) {
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if (pinfo->lcd.vsync_enable) {
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if (pinfo->lcd.hw_vsync_mode && vsync_gpio >= 0) {
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if (mdp_rev >= MDP_REV_41) {
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if (gpio_request(vsync_gpio,
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"MDP_VSYNC") == 0)
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gpio_direction_input(
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vsync_gpio);
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else
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pr_err("%s: unable to \
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request gpio=%d\n",
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__func__, vsync_gpio);
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} else if (mdp_rev == MDP_REV_303) {
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if (!tlmm_settings && gpio_request(
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vsync_gpio, "MDP_VSYNC") == 0) {
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ret = gpio_tlmm_config(
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GPIO_CFG(
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vsync_gpio, 1,
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GPIO_CFG_INPUT,
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GPIO_CFG_PULL_DOWN,
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GPIO_CFG_2MA),
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GPIO_CFG_ENABLE);
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if (ret) {
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pr_err(
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"%s: unable to config \
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tlmm = %d\n",
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__func__, vsync_gpio);
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}
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tlmm_settings = TRUE;
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gpio_direction_input(
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vsync_gpio);
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} else {
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if (!tlmm_settings) {
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pr_err(
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"%s: unable to request \
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gpio=%d\n",
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__func__, vsync_gpio);
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}
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}
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}
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}
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mipi_dsi_set_tear_on(mfd);
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}
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mipi_dsi_clk_disable();
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mipi_dsi_ahb_ctrl(0);
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mipi_dsi_unprepare_clocks();
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}
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if (mdp_rev >= MDP_REV_41)
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mutex_unlock(&mfd->dma->ov_mutex);
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else
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up(&mfd->dma->mutex);
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pr_debug("%s-:\n", __func__);
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return ret;
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}
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static int mipi_dsi_late_init(struct platform_device *pdev)
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{
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return panel_next_late_init(pdev);
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}
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static int mipi_dsi_resource_initialized;
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static int mipi_dsi_probe(struct platform_device *pdev)
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{
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struct msm_fb_data_type *mfd;
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struct fb_info *fbi;
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struct msm_panel_info *pinfo;
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struct mipi_panel_info *mipi;
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struct platform_device *mdp_dev = NULL;
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struct msm_fb_panel_data *pdata = NULL;
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int rc;
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uint8 lanes = 0, bpp;
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uint32 h_period, v_period, dsi_pclk_rate;
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resource_size_t size ;
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if ((pdev->id == 1) && (pdev->num_resources >= 0)) {
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mipi_dsi_pdata = pdev->dev.platform_data;
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size = resource_size(&pdev->resource[0]);
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mipi_dsi_base = ioremap(pdev->resource[0].start, size);
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MSM_FB_INFO("mipi_dsi base phy_addr = 0x%x virt = 0x%x\n",
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pdev->resource[0].start, (int) mipi_dsi_base);
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if (!mipi_dsi_base)
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return -ENOMEM;
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||
|
|
|
||
|
|
if (mdp_rev >= MDP_REV_41) {
|
||
|
|
mmss_sfpb_base = ioremap(MMSS_SFPB_BASE_PHY, 0x100);
|
||
|
|
MSM_FB_INFO("mmss_sfpb base phy_addr = 0x%x,"
|
||
|
|
"virt = 0x%x\n", MMSS_SFPB_BASE_PHY,
|
||
|
|
(int) mmss_sfpb_base);
|
||
|
|
|
||
|
|
if (!mmss_sfpb_base)
|
||
|
|
return -ENOMEM;
|
||
|
|
}
|
||
|
|
|
||
|
|
dsi_irq = platform_get_irq(pdev, 0);
|
||
|
|
if (dsi_irq < 0) {
|
||
|
|
pr_err("mipi_dsi: can not get mdp irq\n");
|
||
|
|
return -ENOMEM;
|
||
|
|
}
|
||
|
|
|
||
|
|
rc = request_irq(dsi_irq, mipi_dsi_isr, IRQF_DISABLED,
|
||
|
|
"MIPI_DSI", 0);
|
||
|
|
if (rc) {
|
||
|
|
pr_err("mipi_dsi_host request_irq() failed!\n");
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
disable_irq(dsi_irq);
|
||
|
|
|
||
|
|
if (mdp_rev == MDP_REV_42 && mipi_dsi_pdata &&
|
||
|
|
mipi_dsi_pdata->target_type == 1) {
|
||
|
|
/* Target type is 1 for device with (De)serializer
|
||
|
|
* 0x4f00000 is the base for TV Encoder.
|
||
|
|
* Unused Offset 0x1000 is used for
|
||
|
|
* (de)serializer on emulation platform
|
||
|
|
*/
|
||
|
|
periph_base = ioremap(MMSS_SERDES_BASE_PHY, 0x100);
|
||
|
|
|
||
|
|
if (periph_base) {
|
||
|
|
pr_debug("periph_base %p\n", periph_base);
|
||
|
|
writel(0x4, periph_base + 0x28);
|
||
|
|
writel(0xc, periph_base + 0x28);
|
||
|
|
} else {
|
||
|
|
pr_err("periph_base is NULL\n");
|
||
|
|
free_irq(dsi_irq, 0);
|
||
|
|
return -ENOMEM;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mipi_dsi_pdata) {
|
||
|
|
vsync_gpio = mipi_dsi_pdata->vsync_gpio;
|
||
|
|
pr_debug("%s: vsync_gpio=%d\n", __func__, vsync_gpio);
|
||
|
|
|
||
|
|
if (mdp_rev == MDP_REV_303 &&
|
||
|
|
mipi_dsi_pdata->dsi_client_reset) {
|
||
|
|
if (mipi_dsi_pdata->dsi_client_reset())
|
||
|
|
pr_err("%s: DSI Client Reset failed!\n",
|
||
|
|
__func__);
|
||
|
|
else
|
||
|
|
pr_debug("%s: DSI Client Reset success\n",
|
||
|
|
__func__);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mipi_dsi_clk_init(pdev))
|
||
|
|
return -EPERM;
|
||
|
|
|
||
|
|
if (mipi_dsi_pdata->splash_is_enabled &&
|
||
|
|
!mipi_dsi_pdata->splash_is_enabled()) {
|
||
|
|
mipi_dsi_ahb_ctrl(1);
|
||
|
|
MIPI_OUTP(MIPI_DSI_BASE + 0x118, 0);
|
||
|
|
MIPI_OUTP(MIPI_DSI_BASE + 0x0, 0);
|
||
|
|
MIPI_OUTP(MIPI_DSI_BASE + 0x200, 0);
|
||
|
|
mipi_dsi_ahb_ctrl(0);
|
||
|
|
}
|
||
|
|
mipi_dsi_resource_initialized = 1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!mipi_dsi_resource_initialized)
|
||
|
|
return -EPERM;
|
||
|
|
|
||
|
|
mfd = platform_get_drvdata(pdev);
|
||
|
|
|
||
|
|
if (!mfd)
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
if (mfd->key != MFD_KEY)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if (pdev_list_cnt >= MSM_FB_MAX_DEV_LIST)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
mdp_dev = platform_device_alloc("mdp", pdev->id);
|
||
|
|
if (!mdp_dev)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* link to the latest pdev
|
||
|
|
*/
|
||
|
|
mfd->pdev = mdp_dev;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* alloc panel device data
|
||
|
|
*/
|
||
|
|
if (platform_device_add_data
|
||
|
|
(mdp_dev, pdev->dev.platform_data,
|
||
|
|
sizeof(struct msm_fb_panel_data))) {
|
||
|
|
pr_err("mipi_dsi_probe: platform_device_add_data failed!\n");
|
||
|
|
platform_device_put(mdp_dev);
|
||
|
|
return -ENOMEM;
|
||
|
|
}
|
||
|
|
/*
|
||
|
|
* data chain
|
||
|
|
*/
|
||
|
|
pdata = mdp_dev->dev.platform_data;
|
||
|
|
pdata->on = mipi_dsi_on;
|
||
|
|
pdata->off = mipi_dsi_off;
|
||
|
|
pdata->late_init = mipi_dsi_late_init;
|
||
|
|
pdata->next = pdev;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* get/set panel specific fb info
|
||
|
|
*/
|
||
|
|
mfd->panel_info = pdata->panel_info;
|
||
|
|
pinfo = &mfd->panel_info;
|
||
|
|
|
||
|
|
if (mfd->panel_info.type == MIPI_VIDEO_PANEL)
|
||
|
|
mfd->dest = DISPLAY_LCDC;
|
||
|
|
else
|
||
|
|
mfd->dest = DISPLAY_LCD;
|
||
|
|
|
||
|
|
if (mdp_rev == MDP_REV_303 &&
|
||
|
|
mipi_dsi_pdata->get_lane_config) {
|
||
|
|
if (mipi_dsi_pdata->get_lane_config() != 2) {
|
||
|
|
pr_info("Changing to DSI Single Mode Configuration\n");
|
||
|
|
#ifdef CONFIG_FB_MSM_MDP303
|
||
|
|
update_lane_config(pinfo);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mfd->index == 0)
|
||
|
|
mfd->fb_imgType = MSMFB_DEFAULT_TYPE;
|
||
|
|
else
|
||
|
|
mfd->fb_imgType = MDP_RGB_565;
|
||
|
|
|
||
|
|
fbi = mfd->fbi;
|
||
|
|
fbi->var.pixclock = mfd->panel_info.clk_rate;
|
||
|
|
fbi->var.left_margin = mfd->panel_info.lcdc.h_back_porch;
|
||
|
|
fbi->var.right_margin = mfd->panel_info.lcdc.h_front_porch;
|
||
|
|
fbi->var.upper_margin = mfd->panel_info.lcdc.v_back_porch;
|
||
|
|
fbi->var.lower_margin = mfd->panel_info.lcdc.v_front_porch;
|
||
|
|
fbi->var.hsync_len = mfd->panel_info.lcdc.h_pulse_width;
|
||
|
|
fbi->var.vsync_len = mfd->panel_info.lcdc.v_pulse_width;
|
||
|
|
|
||
|
|
h_period = ((mfd->panel_info.lcdc.h_pulse_width)
|
||
|
|
+ (mfd->panel_info.lcdc.h_back_porch)
|
||
|
|
+ (mfd->panel_info.xres)
|
||
|
|
+ (mfd->panel_info.lcdc.h_front_porch));
|
||
|
|
|
||
|
|
v_period = ((mfd->panel_info.lcdc.v_pulse_width)
|
||
|
|
+ (mfd->panel_info.lcdc.v_back_porch)
|
||
|
|
+ (mfd->panel_info.yres)
|
||
|
|
+ (mfd->panel_info.lcdc.v_front_porch));
|
||
|
|
|
||
|
|
mipi = &mfd->panel_info.mipi;
|
||
|
|
|
||
|
|
if (mipi->data_lane3)
|
||
|
|
lanes += 1;
|
||
|
|
if (mipi->data_lane2)
|
||
|
|
lanes += 1;
|
||
|
|
if (mipi->data_lane1)
|
||
|
|
lanes += 1;
|
||
|
|
if (mipi->data_lane0)
|
||
|
|
lanes += 1;
|
||
|
|
|
||
|
|
if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB888)
|
||
|
|
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB888)
|
||
|
|
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB666_LOOSE))
|
||
|
|
bpp = 3;
|
||
|
|
else if ((mipi->dst_format == DSI_CMD_DST_FORMAT_RGB565)
|
||
|
|
|| (mipi->dst_format == DSI_VIDEO_DST_FORMAT_RGB565))
|
||
|
|
bpp = 2;
|
||
|
|
else
|
||
|
|
bpp = 3; /* Default format set to RGB888 */
|
||
|
|
|
||
|
|
if (mfd->panel_info.type == MIPI_VIDEO_PANEL &&
|
||
|
|
!mfd->panel_info.clk_rate) {
|
||
|
|
h_period += mfd->panel_info.lcdc.xres_pad;
|
||
|
|
v_period += mfd->panel_info.lcdc.yres_pad;
|
||
|
|
|
||
|
|
if (lanes > 0) {
|
||
|
|
mfd->panel_info.clk_rate =
|
||
|
|
((h_period * v_period * (mipi->frame_rate) * bpp * 8)
|
||
|
|
/ lanes);
|
||
|
|
} else {
|
||
|
|
pr_err("%s: forcing mipi_dsi lanes to 1\n", __func__);
|
||
|
|
mfd->panel_info.clk_rate =
|
||
|
|
(h_period * v_period
|
||
|
|
* (mipi->frame_rate) * bpp * 8);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
pll_divider_config.clk_rate = mfd->panel_info.clk_rate;
|
||
|
|
|
||
|
|
rc = mipi_dsi_clk_div_config(bpp, lanes, &dsi_pclk_rate);
|
||
|
|
if (rc)
|
||
|
|
goto mipi_dsi_probe_err;
|
||
|
|
|
||
|
|
if ((dsi_pclk_rate < 3300000) || (dsi_pclk_rate > 223000000)) {
|
||
|
|
pr_err("%s: Pixel clock not supported\n", __func__);
|
||
|
|
dsi_pclk_rate = 35000000;
|
||
|
|
}
|
||
|
|
mipi->dsi_pclk_rate = dsi_pclk_rate;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* set driver data
|
||
|
|
*/
|
||
|
|
platform_set_drvdata(mdp_dev, mfd);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* register in mdp driver
|
||
|
|
*/
|
||
|
|
rc = platform_device_add(mdp_dev);
|
||
|
|
if (rc)
|
||
|
|
goto mipi_dsi_probe_err;
|
||
|
|
|
||
|
|
pdev_list[pdev_list_cnt++] = pdev;
|
||
|
|
|
||
|
|
if (!mfd->cont_splash_done)
|
||
|
|
cont_splash_clk_ctrl(1);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
mipi_dsi_probe_err:
|
||
|
|
platform_device_put(mdp_dev);
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mipi_dsi_remove(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct msm_fb_data_type *mfd;
|
||
|
|
|
||
|
|
mfd = platform_get_drvdata(pdev);
|
||
|
|
iounmap(mipi_dsi_base);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mipi_dsi_register_driver(void)
|
||
|
|
{
|
||
|
|
return platform_driver_register(&mipi_dsi_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __init mipi_dsi_driver_init(void)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
mipi_dsi_init();
|
||
|
|
|
||
|
|
ret = mipi_dsi_register_driver();
|
||
|
|
|
||
|
|
device_initialize(&dsi_dev);
|
||
|
|
|
||
|
|
if (ret) {
|
||
|
|
pr_err("mipi_dsi_register_driver() failed!\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(mipi_dsi_driver_init);
|