/* 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) 2015. 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. */ #ifdef BUILD_LK #include #include #else #include #include #endif #include "lcm_drv.h" // --------------------------------------------------------------------------- // Local Constants // --------------------------------------------------------------------------- //#define ESD_SUPPORT #define FRAME_WIDTH (480) #define FRAME_HEIGHT (800) #define PHYSICAL_WIDTH (56) // mm #define PHYSICAL_HEIGHT (93) // mm #define LCM_ID (0x5510) #ifndef TRUE #define TRUE 1 #endif #ifndef FALSE #define FALSE 0 #endif #ifdef BUILD_LK #define LCM_PRINT printf #else #define LCM_PRINT printk #endif // --------------------------------------------------------------------------- // Local Variables // --------------------------------------------------------------------------- static LCM_UTIL_FUNCS lcm_util = {0}; #define SET_RESET_PIN(v) (lcm_util.set_reset_pin((v))) #define SET_CHIP_SELECT(v) (lcm_util.set_chip_select((v))) #define UDELAY(n) (lcm_util.udelay(n)) #define MDELAY(n) (lcm_util.mdelay(n)) // --------------------------------------------------------------------------- // Local Functions // --------------------------------------------------------------------------- static __inline void send_ctrl_cmd(unsigned int cmd) { unsigned char temp1 = (unsigned char)((cmd >> 8) & 0xFF); unsigned char temp2 = (unsigned char)(cmd & 0xFF); lcm_util.send_cmd(0x2000 | temp1); lcm_util.send_cmd(0x0000 | temp2); } static __inline void send_data_cmd(unsigned int data) { lcm_util.send_data(0x4000 | data); } static __inline unsigned short read_data_cmd(void) { return (unsigned short)(lcm_util.read_data()); } static __inline void set_lcm_register(unsigned int regIndex, unsigned int regData) { send_ctrl_cmd(regIndex); send_data_cmd(regData); } static void init_lcm_registers(void) { //PAGE1 set_lcm_register(0xF000, 0x55); set_lcm_register(0xF001, 0xAA); set_lcm_register(0xF002, 0x52); set_lcm_register(0xF003, 0x08); set_lcm_register(0xF004, 0x01); //AVDD Set AVDD 5.2V set_lcm_register(0xB000, 0x0D); set_lcm_register(0xB001, 0x0D); set_lcm_register(0xB002, 0x0D); //AVDD ratio set_lcm_register(0xB600, 0x34); set_lcm_register(0xB601, 0x34); set_lcm_register(0xB602, 0x34); //AVEE -5.2V set_lcm_register(0xB100, 0x0D); set_lcm_register(0xB101, 0x0D); set_lcm_register(0xB102, 0x0D); //AVEE ratio set_lcm_register(0xB700, 0x34); set_lcm_register(0xB701, 0x34); set_lcm_register(0xB702, 0x34); //VCL -2.5V set_lcm_register(0xB200, 0x00); set_lcm_register(0xB201, 0x00); set_lcm_register(0xB202, 0x00); //VCL ratio set_lcm_register(0xB800, 0x24); set_lcm_register(0xB801, 0x24); set_lcm_register(0xB802, 0x24); //VGH 15V (Free pump) set_lcm_register(0xBF00, 0x01); //VGH=15V(1V/step) Free pump set_lcm_register(0xB300, 0x0F); set_lcm_register(0xB301, 0x0F); set_lcm_register(0xB302, 0x0F); //VGH ratio set_lcm_register(0xB900, 0x34); set_lcm_register(0xB901, 0x34); set_lcm_register(0xB902, 0x34); //VGL_REG -10V set_lcm_register(0xB500, 0x08); set_lcm_register(0xB501, 0x08); set_lcm_register(0xB502, 0x08); set_lcm_register(0xC200, 0x03); //VGLX ratio set_lcm_register(0xBA00, 0x24); set_lcm_register(0xBA01, 0x24); set_lcm_register(0xBA02, 0x24); //VGMP/VGSP 4.5V/0V set_lcm_register(0xBC00, 0x00); set_lcm_register(0xBC01, 0x78); set_lcm_register(0xBC02, 0x00); //VGMN/VGSN -4.5V/0V set_lcm_register(0xBD00, 0x00); set_lcm_register(0xBD01, 0x78); set_lcm_register(0xBD02, 0x00); //VCOM set_lcm_register(0xBE00, 0x00); set_lcm_register(0xBE01, 0x64); //Gamma Setting set_lcm_register(0xD100, 0x00); set_lcm_register(0xD101, 0x33); set_lcm_register(0xD102, 0x00); set_lcm_register(0xD103, 0x34); set_lcm_register(0xD104, 0x00); set_lcm_register(0xD105, 0x3A); set_lcm_register(0xD106, 0x00); set_lcm_register(0xD107, 0x4A); set_lcm_register(0xD108, 0x00); set_lcm_register(0xD109, 0x5C); set_lcm_register(0xD10A, 0x00); set_lcm_register(0xD10B, 0x81); set_lcm_register(0xD10C, 0x00); set_lcm_register(0xD10D, 0xA6); set_lcm_register(0xD10E, 0x00); set_lcm_register(0xD10F, 0xE5); set_lcm_register(0xD110, 0x01); set_lcm_register(0xD111, 0x13); set_lcm_register(0xD112, 0x01); set_lcm_register(0xD113, 0x54); set_lcm_register(0xD114, 0x01); set_lcm_register(0xD115, 0x82); set_lcm_register(0xD116, 0x01); set_lcm_register(0xD117, 0xCA); set_lcm_register(0xD118, 0x02); set_lcm_register(0xD119, 0x00); set_lcm_register(0xD11A, 0x02); set_lcm_register(0xD11B, 0x01); set_lcm_register(0xD11C, 0x02); set_lcm_register(0xD11D, 0x34); set_lcm_register(0xD11E, 0x02); set_lcm_register(0xD11F, 0x67); set_lcm_register(0xD120, 0x02); set_lcm_register(0xD121, 0x84); set_lcm_register(0xD122, 0x02); set_lcm_register(0xD123, 0xA4); set_lcm_register(0xD124, 0x02); set_lcm_register(0xD125, 0xB7); set_lcm_register(0xD126, 0x02); set_lcm_register(0xD127, 0xCF); set_lcm_register(0xD128, 0x02); set_lcm_register(0xD129, 0xDE); set_lcm_register(0xD12A, 0x02); set_lcm_register(0xD12B, 0xF2); set_lcm_register(0xD12C, 0x02); set_lcm_register(0xD12D, 0xFE); set_lcm_register(0xD12E, 0x03); set_lcm_register(0xD12F, 0x10); set_lcm_register(0xD130, 0x03); set_lcm_register(0xD131, 0x33); set_lcm_register(0xD132, 0x03); set_lcm_register(0xD133, 0x6D); //Gamma (G+) set_lcm_register(0xD200, 0x00); set_lcm_register(0xD201, 0x33); set_lcm_register(0xD202, 0x00); set_lcm_register(0xD203, 0x34); set_lcm_register(0xD204, 0x00); set_lcm_register(0xD205, 0x3A); set_lcm_register(0xD206, 0x00); set_lcm_register(0xD207, 0x4A); set_lcm_register(0xD208, 0x00); set_lcm_register(0xD209, 0x5C); set_lcm_register(0xD20A, 0x00); set_lcm_register(0xD20B, 0x81); set_lcm_register(0xD20C, 0x00); set_lcm_register(0xD20D, 0xA6); set_lcm_register(0xD20E, 0x00); set_lcm_register(0xD20F, 0xE5); set_lcm_register(0xD210, 0x01); set_lcm_register(0xD211, 0x13); set_lcm_register(0xD212, 0x01); set_lcm_register(0xD213, 0x54); set_lcm_register(0xD214, 0x01); set_lcm_register(0xD215, 0x82); set_lcm_register(0xD216, 0x01); set_lcm_register(0xD217, 0xCA); set_lcm_register(0xD218, 0x02); set_lcm_register(0xD219, 0x00); set_lcm_register(0xD21A, 0x02); set_lcm_register(0xD21B, 0x01); set_lcm_register(0xD21C, 0x02); set_lcm_register(0xD21D, 0x34); set_lcm_register(0xD21E, 0x02); set_lcm_register(0xD21F, 0x67); set_lcm_register(0xD220, 0x02); set_lcm_register(0xD221, 0x84); set_lcm_register(0xD222, 0x02); set_lcm_register(0xD223, 0xA4); set_lcm_register(0xD224, 0x02); set_lcm_register(0xD225, 0xB7); set_lcm_register(0xD226, 0x02); set_lcm_register(0xD227, 0xCF); set_lcm_register(0xD228, 0x02); set_lcm_register(0xD229, 0xDE); set_lcm_register(0xD22A, 0x02); set_lcm_register(0xD22B, 0xF2); set_lcm_register(0xD22C, 0x02); set_lcm_register(0xD22D, 0xFE); set_lcm_register(0xD22E, 0x03); set_lcm_register(0xD22F, 0x10); set_lcm_register(0xD230, 0x03); set_lcm_register(0xD231, 0x33); set_lcm_register(0xD232, 0x03); set_lcm_register(0xD233, 0x6D); //Gamma (B+) set_lcm_register(0xD300, 0x00); set_lcm_register(0xD301, 0x33); set_lcm_register(0xD302, 0x00); set_lcm_register(0xD303, 0x34); set_lcm_register(0xD304, 0x00); set_lcm_register(0xD305, 0x3A); set_lcm_register(0xD306, 0x00); set_lcm_register(0xD307, 0x4A); set_lcm_register(0xD308, 0x00); set_lcm_register(0xD309, 0x5C); set_lcm_register(0xD30A, 0x00); set_lcm_register(0xD30B, 0x81); set_lcm_register(0xD30C, 0x00); set_lcm_register(0xD30D, 0xA6); set_lcm_register(0xD30E, 0x00); set_lcm_register(0xD30F, 0xE5); set_lcm_register(0xD310, 0x01); set_lcm_register(0xD311, 0x13); set_lcm_register(0xD312, 0x01); set_lcm_register(0xD313, 0x54); set_lcm_register(0xD314, 0x01); set_lcm_register(0xD315, 0x82); set_lcm_register(0xD316, 0x01); set_lcm_register(0xD317, 0xCA); set_lcm_register(0xD318, 0x02); set_lcm_register(0xD319, 0x00); set_lcm_register(0xD31A, 0x02); set_lcm_register(0xD31B, 0x01); set_lcm_register(0xD31C, 0x02); set_lcm_register(0xD31D, 0x34); set_lcm_register(0xD31E, 0x02); set_lcm_register(0xD31F, 0x67); set_lcm_register(0xD320, 0x02); set_lcm_register(0xD321, 0x84); set_lcm_register(0xD322, 0x02); set_lcm_register(0xD323, 0xA4); set_lcm_register(0xD324, 0x02); set_lcm_register(0xD325, 0xB7); set_lcm_register(0xD326, 0x02); set_lcm_register(0xD327, 0xCF); set_lcm_register(0xD328, 0x02); set_lcm_register(0xD329, 0xDE); set_lcm_register(0xD32A, 0x02); set_lcm_register(0xD32B, 0xF2); set_lcm_register(0xD32C, 0x02); set_lcm_register(0xD32D, 0xFE); set_lcm_register(0xD32E, 0x03); set_lcm_register(0xD32F, 0x10); set_lcm_register(0xD330, 0x03); set_lcm_register(0xD331, 0x33); set_lcm_register(0xD332, 0x03); set_lcm_register(0xD333, 0x6D); //Gamma (R-) set_lcm_register(0xD400, 0x00); set_lcm_register(0xD401, 0x33); set_lcm_register(0xD402, 0x00); set_lcm_register(0xD403, 0x34); set_lcm_register(0xD404, 0x00); set_lcm_register(0xD405, 0x3A); set_lcm_register(0xD406, 0x00); set_lcm_register(0xD407, 0x4A); set_lcm_register(0xD408, 0x00); set_lcm_register(0xD409, 0x5C); set_lcm_register(0xD40A, 0x00); set_lcm_register(0xD40B, 0x81); set_lcm_register(0xD40C, 0x00); set_lcm_register(0xD40D, 0xA6); set_lcm_register(0xD40E, 0x00); set_lcm_register(0xD40F, 0xE5); set_lcm_register(0xD410, 0x01); set_lcm_register(0xD411, 0x13); set_lcm_register(0xD412, 0x01); set_lcm_register(0xD413, 0x54); set_lcm_register(0xD414, 0x01); set_lcm_register(0xD415, 0x82); set_lcm_register(0xD416, 0x01); set_lcm_register(0xD417, 0xCA); set_lcm_register(0xD418, 0x02); set_lcm_register(0xD419, 0x00); set_lcm_register(0xD41A, 0x02); set_lcm_register(0xD41B, 0x01); set_lcm_register(0xD41C, 0x02); set_lcm_register(0xD41D, 0x34); set_lcm_register(0xD41E, 0x02); set_lcm_register(0xD41F, 0x67); set_lcm_register(0xD420, 0x02); set_lcm_register(0xD421, 0x84); set_lcm_register(0xD422, 0x02); set_lcm_register(0xD423, 0xA4); set_lcm_register(0xD424, 0x02); set_lcm_register(0xD425, 0xB7); set_lcm_register(0xD426, 0x02); set_lcm_register(0xD427, 0xCF); set_lcm_register(0xD428, 0x02); set_lcm_register(0xD429, 0xDE); set_lcm_register(0xD42A, 0x02); set_lcm_register(0xD42B, 0xF2); set_lcm_register(0xD42C, 0x02); set_lcm_register(0xD42D, 0xFE); set_lcm_register(0xD42E, 0x03); set_lcm_register(0xD42F, 0x10); set_lcm_register(0xD430, 0x03); set_lcm_register(0xD431, 0x33); set_lcm_register(0xD432, 0x03); set_lcm_register(0xD433, 0x6D); //Gamma (G+) set_lcm_register(0xD500, 0x00); set_lcm_register(0xD501, 0x33); set_lcm_register(0xD502, 0x00); set_lcm_register(0xD503, 0x34); set_lcm_register(0xD504, 0x00); set_lcm_register(0xD505, 0x3A); set_lcm_register(0xD506, 0x00); set_lcm_register(0xD507, 0x4A); set_lcm_register(0xD508, 0x00); set_lcm_register(0xD509, 0x5C); set_lcm_register(0xD50A, 0x00); set_lcm_register(0xD50B, 0x81); set_lcm_register(0xD50C, 0x00); set_lcm_register(0xD50D, 0xA6); set_lcm_register(0xD50E, 0x00); set_lcm_register(0xD50F, 0xE5); set_lcm_register(0xD510, 0x01); set_lcm_register(0xD511, 0x13); set_lcm_register(0xD512, 0x01); set_lcm_register(0xD513, 0x54); set_lcm_register(0xD514, 0x01); set_lcm_register(0xD515, 0x82); set_lcm_register(0xD516, 0x01); set_lcm_register(0xD517, 0xCA); set_lcm_register(0xD518, 0x02); set_lcm_register(0xD519, 0x00); set_lcm_register(0xD51A, 0x02); set_lcm_register(0xD51B, 0x01); set_lcm_register(0xD51C, 0x02); set_lcm_register(0xD51D, 0x34); set_lcm_register(0xD51E, 0x02); set_lcm_register(0xD51F, 0x67); set_lcm_register(0xD520, 0x02); set_lcm_register(0xD521, 0x84); set_lcm_register(0xD522, 0x02); set_lcm_register(0xD523, 0xA4); set_lcm_register(0xD524, 0x02); set_lcm_register(0xD525, 0xB7); set_lcm_register(0xD526, 0x02); set_lcm_register(0xD527, 0xCF); set_lcm_register(0xD528, 0x02); set_lcm_register(0xD529, 0xDE); set_lcm_register(0xD52A, 0x02); set_lcm_register(0xD52B, 0xF2); set_lcm_register(0xD52C, 0x02); set_lcm_register(0xD52D, 0xFE); set_lcm_register(0xD52E, 0x03); set_lcm_register(0xD52F, 0x10); set_lcm_register(0xD530, 0x03); set_lcm_register(0xD531, 0x33); set_lcm_register(0xD532, 0x03); set_lcm_register(0xD533, 0x6D); //Gamma (B+) set_lcm_register(0xD600, 0x00); set_lcm_register(0xD601, 0x33); set_lcm_register(0xD602, 0x00); set_lcm_register(0xD603, 0x34); set_lcm_register(0xD604, 0x00); set_lcm_register(0xD605, 0x3A); set_lcm_register(0xD606, 0x00); set_lcm_register(0xD607, 0x4A); set_lcm_register(0xD608, 0x00); set_lcm_register(0xD609, 0x5C); set_lcm_register(0xD60A, 0x00); set_lcm_register(0xD60B, 0x81); set_lcm_register(0xD60C, 0x00); set_lcm_register(0xD60D, 0xA6); set_lcm_register(0xD60E, 0x00); set_lcm_register(0xD60F, 0xE5); set_lcm_register(0xD610, 0x01); set_lcm_register(0xD611, 0x13); set_lcm_register(0xD612, 0x01); set_lcm_register(0xD613, 0x54); set_lcm_register(0xD614, 0x01); set_lcm_register(0xD615, 0x82); set_lcm_register(0xD616, 0x01); set_lcm_register(0xD617, 0xCA); set_lcm_register(0xD618, 0x02); set_lcm_register(0xD619, 0x00); set_lcm_register(0xD61A, 0x02); set_lcm_register(0xD61B, 0x01); set_lcm_register(0xD61C, 0x02); set_lcm_register(0xD61D, 0x34); set_lcm_register(0xD61E, 0x02); set_lcm_register(0xD61F, 0x67); set_lcm_register(0xD620, 0x02); set_lcm_register(0xD621, 0x84); set_lcm_register(0xD622, 0x02); set_lcm_register(0xD623, 0xA4); set_lcm_register(0xD624, 0x02); set_lcm_register(0xD625, 0xB7); set_lcm_register(0xD626, 0x02); set_lcm_register(0xD627, 0xCF); set_lcm_register(0xD628, 0x02); set_lcm_register(0xD629, 0xDE); set_lcm_register(0xD62A, 0x02); set_lcm_register(0xD62B, 0xF2); set_lcm_register(0xD62C, 0x02); set_lcm_register(0xD62D, 0xFE); set_lcm_register(0xD62E, 0x03); set_lcm_register(0xD62F, 0x10); set_lcm_register(0xD630, 0x03); set_lcm_register(0xD631, 0x33); set_lcm_register(0xD632, 0x03); set_lcm_register(0xD633, 0x6D); //LV2 Page 0 enable set_lcm_register(0xF000, 0x55); set_lcm_register(0xF001, 0xAA); set_lcm_register(0xF002, 0x52); set_lcm_register(0xF003, 0x08); set_lcm_register(0xF004, 0x00); //Display control set_lcm_register(0xB100, 0x00); set_lcm_register(0xB101, 0x00); set_lcm_register(0xB400, 0x10); set_lcm_register(0xB600, 0x05); //Gate EQ control set_lcm_register(0xB700, 0x70); set_lcm_register(0xB701, 0x70); //Source EQ control (Mode 2) set_lcm_register(0xB800, 0x01); set_lcm_register(0xB801, 0x03); set_lcm_register(0xB802, 0x03); set_lcm_register(0xB803, 0x03); //Inversion mode (2-dot) set_lcm_register(0xBC00, 0x02); set_lcm_register(0xBC01, 0x00); set_lcm_register(0xBC02, 0x00); //Frame rate (Nova non-used) set_lcm_register(0xBD00, 0x01); set_lcm_register(0xBD01, 0x8C); set_lcm_register(0xBD02, 0x14); set_lcm_register(0xBD03, 0x14); set_lcm_register(0xBD04, 0x00); set_lcm_register(0xBE00, 0x01); set_lcm_register(0xBE01, 0x8C); set_lcm_register(0xBE02, 0x14); set_lcm_register(0xBE03, 0x14); set_lcm_register(0xBE04, 0x00); set_lcm_register(0xBF00, 0x01); set_lcm_register(0xBF01, 0x8C); set_lcm_register(0xBF02, 0x14); set_lcm_register(0xBF03, 0x14); set_lcm_register(0xBF04, 0x00); //Timing control 4H w/ 4-delay set_lcm_register(0xC900, 0xD0); set_lcm_register(0xC901, 0x02); set_lcm_register(0xC902, 0x50); set_lcm_register(0xC903, 0x50); set_lcm_register(0xC904, 0x50); set_lcm_register(0x2A00, 0x00); set_lcm_register(0x2A01, 0x00); set_lcm_register(0x2A02, 0x01); set_lcm_register(0x2A03, 0xDF); set_lcm_register(0x2B00, 0x00); set_lcm_register(0x2B01, 0x00); set_lcm_register(0x2B02, 0x03); set_lcm_register(0x2B03, 0x1F); set_lcm_register(0x3A00, 0x66); // RGB666 //Sleep out send_ctrl_cmd(0x1100); MDELAY(120); //Display on send_ctrl_cmd(0x2900); MDELAY(30); } // --------------------------------------------------------------------------- // LCM Driver Implementations // --------------------------------------------------------------------------- static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util) { memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS)); } static void lcm_get_params(LCM_PARAMS *params) { memset(params, 0, sizeof(LCM_PARAMS)); params->type = LCM_TYPE_DPI; params->ctrl = LCM_CTRL_SERIAL_DBI; params->width = FRAME_WIDTH; params->height = FRAME_HEIGHT; // physical size params->physical_width = PHYSICAL_WIDTH; params->physical_height = PHYSICAL_HEIGHT; /* serial host interface configurations */ params->dbi.port = 0; params->dbi.data_width = LCM_DBI_DATA_WIDTH_16BITS; params->dbi.cpu_write_bits = LCM_DBI_CPU_WRITE_16_BITS; params->dbi.io_driving_current = LCM_DRIVING_CURRENT_4MA; params->dbi.serial.css = 0xf; params->dbi.serial.csh = 0xf; params->dbi.serial.rd_1st = 0xf; params->dbi.serial.rd_2nd = 0xf; params->dbi.serial.wr_1st = 0xf; params->dbi.serial.wr_2nd = 0xf; params->dbi.serial.sif_3wire = 0; params->dbi.serial.sif_sdi = 0; params->dbi.serial.sif_1st_pol = 0; params->dbi.serial.sif_sck_def = 1; params->dbi.serial.sif_div2 = 0; params->dbi.serial.sif_hw_cs = 1; /* RGB interface configurations */ params->dpi.clk_pol = LCM_POLARITY_RISING; params->dpi.de_pol = LCM_POLARITY_RISING; params->dpi.vsync_pol = LCM_POLARITY_RISING; params->dpi.hsync_pol = LCM_POLARITY_RISING; params->dpi.hsync_pulse_width = 14; params->dpi.hsync_back_porch = 16; params->dpi.hsync_front_porch = 16; params->dpi.vsync_pulse_width = 16; params->dpi.vsync_back_porch = 20; params->dpi.vsync_front_porch = 20; params->dpi.format = LCM_DPI_FORMAT_RGB666; params->dpi.rgb_order = LCM_COLOR_ORDER_RGB; params->dpi.io_driving_current = LCM_DRIVING_CURRENT_4MA; params->dpi.PLL_CLOCK = 221; // 8X DPI Clock } static unsigned int lcm_compare_id(void) { unsigned int id = 0; SET_RESET_PIN(1); //NOTE:should reset LCM firstly SET_RESET_PIN(0); MDELAY(5); SET_RESET_PIN(1); MDELAY(20); //*************Enable CMD2 Page1 *******************// set_lcm_register(0xF000, 0x55); set_lcm_register(0xF001, 0xAA); set_lcm_register(0xF002, 0x52); set_lcm_register(0xF003, 0x08); set_lcm_register(0xF004, 0x01); MDELAY(10); send_ctrl_cmd(0xC500); id = read_data_cmd() << 8; id = id | read_data_cmd(); return (LCM_ID == id)?1:0; } static void lcm_init(void) { SET_RESET_PIN(1); SET_RESET_PIN(0); MDELAY(5); SET_RESET_PIN(1); MDELAY(20); init_lcm_registers(); } static void lcm_suspend(void) { send_ctrl_cmd(0x1000); MDELAY(120); send_ctrl_cmd(0x2800); MDELAY(10); set_lcm_register(0x4F00, 0x01); MDELAY(40); } static void lcm_resume(void) { send_ctrl_cmd(0x1100); MDELAY(200); send_ctrl_cmd(0x2900); } #ifdef ESD_SUPPORT static unsigned int lcm_esd_check(void) { unsigned int readData; unsigned int result = TRUE; send_ctrl_cmd(0x0A00); readData = read_data_cmd(); if (readData == 0x009C) result = FALSE; return result; } static unsigned int lcm_esd_recover(void) { lcm_init(); return TRUE; } #endif LCM_DRIVER nt35510_dpi_6572_lcm_drv = { .name = "nt35510_dpi_6572", .set_util_funcs = lcm_set_util_funcs, .get_params = lcm_get_params, .init = lcm_init, .suspend = lcm_suspend, .resume = lcm_resume, .compare_id = lcm_compare_id, #ifdef ESD_SUPPORT .esd_check = lcm_esd_check, .esd_recover = lcm_esd_recover, #endif };