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First commit of lcm drivers for lcd displays in MTK smart phones
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| /* Copyright Statement: | ||
| * | ||
| * This software/firmware and related documentation ("MediaTek Software") are | ||
| * protected under relevant copyright laws. The information contained herein | ||
| * is confidential and proprietary to MediaTek Inc. and/or its licensors. | ||
| * Without the prior written permission of MediaTek inc. and/or its licensors, | ||
| * any reproduction, modification, use or disclosure of MediaTek Software, | ||
| * and information contained herein, in whole or in part, shall be strictly prohibited. | ||
| */ | ||
| /* MediaTek Inc. (C) 2010. All rights reserved. | ||
| * | ||
| * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES | ||
| * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") | ||
| * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON | ||
| * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, | ||
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. | ||
| * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE | ||
| * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR | ||
| * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH | ||
| * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES | ||
| * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES | ||
| * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK | ||
| * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR | ||
| * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND | ||
| * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, | ||
| * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, | ||
| * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO | ||
| * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. | ||
| * | ||
| * The following software/firmware and/or related documentation ("MediaTek Software") | ||
| * have been modified by MediaTek Inc. All revisions are subject to any receiver's | ||
| * applicable license agreements with MediaTek Inc. | ||
| */ | ||
|
|
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| /***************************************************************************** | ||
| * Copyright Statement: | ||
| * -------------------- | ||
| * This software is protected by Copyright and the information contained | ||
| * herein is confidential. The software may not be copied and the information | ||
| * contained herein may not be used or disclosed except with the written | ||
| * permission of MediaTek Inc. (C) 2008 | ||
| * | ||
| * BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES | ||
| * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") | ||
| * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON | ||
| * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, | ||
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. | ||
| * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE | ||
| * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR | ||
| * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH | ||
| * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO | ||
| * NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S | ||
| * SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM. | ||
| * | ||
| * BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE | ||
| * LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, | ||
| * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, | ||
| * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO | ||
| * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. | ||
| * | ||
| * THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE | ||
| * WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF | ||
| * LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND | ||
| * RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER | ||
| * THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC). | ||
| * | ||
| *****************************************************************************/ | ||
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| #include <linux/string.h> | ||
| #ifdef BUILD_UBOOT | ||
| #include <asm/arch/mt6575_gpio.h> | ||
| #else | ||
| #include <mach/mt6575_gpio.h> | ||
| #endif | ||
| #include "lcm_drv.h" | ||
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| // --------------------------------------------------------------------------- | ||
| // Local Constants | ||
| // --------------------------------------------------------------------------- | ||
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| #define FRAME_WIDTH (1024) | ||
| #define FRAME_HEIGHT (600) | ||
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| // --------------------------------------------------------------------------- | ||
| // Local Variables | ||
| // --------------------------------------------------------------------------- | ||
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| static LCM_UTIL_FUNCS lcm_util = {0}; | ||
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| #define SET_RESET_PIN(v) (lcm_util.set_reset_pin((v))) | ||
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| #define UDELAY(n) (lcm_util.udelay(n)) | ||
| #define MDELAY(n) (lcm_util.mdelay(n)) | ||
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| // --------------------------------------------------------------------------- | ||
| // Local Functions | ||
| // --------------------------------------------------------------------------- | ||
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| static __inline void send_ctrl_cmd(unsigned int cmd) | ||
| { | ||
| unsigned char temp1 = (unsigned char)((cmd >> 8) & 0xFF); | ||
| unsigned char temp2 = (unsigned char)(cmd & 0xFF); | ||
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| lcm_util.send_data(0x2000 | temp1); | ||
| lcm_util.send_data(0x0000 | temp2); | ||
| } | ||
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| static __inline void send_data_cmd(unsigned int data) | ||
| { | ||
| lcm_util.send_data(0x0004 | data); | ||
| } | ||
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| static __inline void set_lcm_register(unsigned int regIndex, | ||
| unsigned int regData) | ||
| { | ||
| send_ctrl_cmd(regIndex); | ||
| send_data_cmd(regData); | ||
| } | ||
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| static void init_lcm_registers(void) | ||
| { | ||
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| } | ||
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| // --------------------------------------------------------------------------- | ||
| // LCM Driver Implementations | ||
| // --------------------------------------------------------------------------- | ||
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| static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util) | ||
| { | ||
| memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS)); | ||
| } | ||
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| static void lcm_get_params(LCM_PARAMS *params) | ||
| { | ||
| memset(params, 0, sizeof(LCM_PARAMS)); | ||
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| params->type = LCM_TYPE_DPI; | ||
| params->ctrl = LCM_CTRL_SERIAL_DBI; | ||
| params->width = FRAME_WIDTH; | ||
| params->height = FRAME_HEIGHT; | ||
| params->io_select_mode = 0; | ||
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| /* RGB interface configurations */ | ||
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| params->dpi.mipi_pll_clk_ref = 0; //the most important parameters: set pll clk to 66Mhz and dpi clk to 33Mhz | ||
| params->dpi.mipi_pll_clk_div1 = 31; | ||
| params->dpi.mipi_pll_clk_div2 = 4; | ||
| params->dpi.dpi_clk_div = 2; | ||
| params->dpi.dpi_clk_duty = 1; | ||
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| params->dpi.clk_pol = LCM_POLARITY_FALLING; | ||
| params->dpi.de_pol = LCM_POLARITY_RISING; | ||
| params->dpi.vsync_pol = LCM_POLARITY_FALLING; | ||
| params->dpi.hsync_pol = LCM_POLARITY_FALLING; | ||
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| params->dpi.hsync_pulse_width = 128; | ||
| params->dpi.hsync_back_porch = 152; | ||
| params->dpi.hsync_front_porch = 40; | ||
| params->dpi.vsync_pulse_width = 3; | ||
| params->dpi.vsync_back_porch = 12; | ||
| params->dpi.vsync_front_porch = 10; | ||
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| params->dpi.format = LCM_DPI_FORMAT_RGB888; // format is 24 bit | ||
| params->dpi.rgb_order = LCM_COLOR_ORDER_RGB; | ||
| params->dpi.is_serial_output = 0; | ||
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| params->dpi.intermediat_buffer_num = 2; | ||
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| params->dpi.io_driving_current = LCM_DRIVING_CURRENT_2MA; | ||
| } | ||
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| static void lcm_init(void) | ||
| { | ||
| #ifdef BUILD_UBOOT | ||
| // do nothing in uboot | ||
| #else | ||
| lcm_util.set_gpio_mode(GPIO12, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO12, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO12, GPIO_OUT_ONE); // LCM_STBY | ||
| MDELAY(50); | ||
| lcm_util.set_gpio_mode(GPIO14, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO14, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO14, GPIO_OUT_ONE); // LCM_RST | ||
| //SET_RESET_PIN(1); // LCM_RST | ||
| MDELAY(50); | ||
| lcm_util.set_gpio_mode(GPIO52, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO52, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO52, GPIO_OUT_ONE); // LVDS_SHUTDOWN_N | ||
| MDELAY(120); | ||
| #endif | ||
| } | ||
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| static void lcm_suspend(void) | ||
| { | ||
| lcm_util.set_gpio_mode(GPIO52, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO52, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO52, GPIO_OUT_ZERO); // LVDS_SHUTDOWN_N | ||
| MDELAY(10); | ||
| lcm_util.set_gpio_mode(GPIO12, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO12, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO12, GPIO_OUT_ZERO); // LCM_STBY | ||
| MDELAY(50); | ||
| lcm_util.set_gpio_mode(GPIO14, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO14, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO14, GPIO_OUT_ZERO); // LCM_RST | ||
| //SET_RESET_PIN(0); // LCM_RST | ||
| MDELAY(60); // avoid LCD resume transint | ||
| } | ||
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| static void lcm_resume(void) | ||
| { | ||
| lcm_util.set_gpio_mode(GPIO12, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO12, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO12, GPIO_OUT_ONE); // LCM_STBY | ||
| MDELAY(50); | ||
| lcm_util.set_gpio_mode(GPIO14, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO14, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO14, GPIO_OUT_ONE); // LCM_RST | ||
| //SET_RESET_PIN(1); // LCM_RST | ||
| MDELAY(50); | ||
| lcm_util.set_gpio_mode(GPIO52, GPIO_MODE_00); | ||
| lcm_util.set_gpio_dir(GPIO52, GPIO_DIR_OUT); | ||
| lcm_util.set_gpio_out(GPIO52, GPIO_OUT_ONE); // LVDS_SHUTDOWN_N | ||
| MDELAY(120); | ||
| } | ||
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| LCM_DRIVER tm070ddh03_lcm_drv = | ||
| { | ||
| .name = "tm070ddh03", | ||
| .set_util_funcs = lcm_set_util_funcs, | ||
| .get_params = lcm_get_params, | ||
| .init = lcm_init, | ||
| .suspend = lcm_suspend, | ||
| .resume = lcm_resume, | ||
| }; | ||
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