1de2ac252STommy Huang // SPDX-License-Identifier: GPL-2.0+ 2de2ac252STommy Huang /* 3de2ac252STommy Huang * Copyright (C) ASPEED Technology Inc. 4de2ac252STommy Huang */ 5de2ac252STommy Huang 6de2ac252STommy Huang #include <common.h> 7de2ac252STommy Huang #include <exports.h> 8de2ac252STommy Huang #include <clk.h> 9de2ac252STommy Huang #include <dm.h> 10de2ac252STommy Huang #include <errno.h> 11de2ac252STommy Huang #include <reset.h> 12de2ac252STommy Huang #include <fdtdec.h> 13de2ac252STommy Huang #include <asm/io.h> 14de2ac252STommy Huang 15de2ac252STommy Huang #include "dptest.h" 16de2ac252STommy Huang 17de2ac252STommy Huang /* Version info*/ 18de2ac252STommy Huang #define MAINVER 0 19*f586eef6STommy Huang #define SUBVER 3 20*f586eef6STommy Huang #define TEMPVER 2 21de2ac252STommy Huang 22de2ac252STommy Huang #define YEAR 2022 23*f586eef6STommy Huang #define MONTH 07 24*f586eef6STommy Huang #define DAY 11 25de2ac252STommy Huang 26de2ac252STommy Huang /* Compile define */ 27de2ac252STommy Huang /* #define RE_DRIVER */ 28de2ac252STommy Huang /* #define INTERNAL */ 29de2ac252STommy Huang 30de2ac252STommy Huang /* Debug define */ 31de2ac252STommy Huang #define DBG_Print 32de2ac252STommy Huang 33de2ac252STommy Huang #define DBG_ERR 0x00000001 /* DBG_ERROR */ 34de2ac252STommy Huang #define DBG_NOR 0x00000002 /* DBG_NORMAL */ 35de2ac252STommy Huang #define DBG_A_NOR 0x00000004 /* DBG_AUTO_NORMAL */ 36de2ac252STommy Huang #define DBG_A_TEST 0x00000008 /* DBG_AUTO_TEST */ 37de2ac252STommy Huang #define DBG_A_SUB 0x00000010 /* DBG_AUTO_SUBFUNS */ 38de2ac252STommy Huang #define DBG_A_EDID 0x00000020 /* DBG_AUTO_EDID */ 39de2ac252STommy Huang #define DBG_INF 0x00000040 /* DBG_INFORMATION */ 40de2ac252STommy Huang #define DBG_STAGE 0x00000040 /* DBG_STAGE */ 41de2ac252STommy Huang #define DBG_AUX_R 0x00001000 /* DBG_AUX_R_VALUE */ 42de2ac252STommy Huang /* #define DBG_AUX_W 0x00002000 *//*DBG_AUX_W_VALUE */ 43de2ac252STommy Huang 44de2ac252STommy Huang int DBG_LEVEL = 0x00000040; /* Information and stage */ 45de2ac252STommy Huang /* int DBG_LEVEL = 0x0000107F; *//*Fully */ 46de2ac252STommy Huang /* int DBG_LEVEL = 0x00000001; *//*Error */ 47de2ac252STommy Huang 48de2ac252STommy Huang #ifdef DBG_Print 49de2ac252STommy Huang #define DBG(Level, format, args...) if ((Level) & DBG_LEVEL) printf(format, ##args) 50de2ac252STommy Huang #else 51de2ac252STommy Huang #define DBG(Level, format, args...) 52de2ac252STommy Huang #endif 53de2ac252STommy Huang 54de2ac252STommy Huang int PHY_Cfg_N; 55de2ac252STommy Huang int PHY_Cfg; 56de2ac252STommy Huang int PHY_Cfg_1; 57de2ac252STommy Huang int TX_SSCG_Cfg; 58de2ac252STommy Huang int DP_Rate; 59de2ac252STommy Huang int Deemphasis_Level; 60de2ac252STommy Huang int Deemphasis_Level_1; 61de2ac252STommy Huang int Deemphasis_Show; 62de2ac252STommy Huang int Deemphasis_RD; 63de2ac252STommy Huang int Swing_Level; 64de2ac252STommy Huang int SSCG; 65de2ac252STommy Huang int Current_Item; 66de2ac252STommy Huang int GFlag; 67de2ac252STommy Huang uchar EDID[256]; 68de2ac252STommy Huang 69de2ac252STommy Huang int I2C_PORT;/* I2c port */ 70de2ac252STommy Huang int I2C_BASE; 71de2ac252STommy Huang int I2C_BUFF; 72de2ac252STommy Huang uchar RD_VAL; 73de2ac252STommy Huang 74de2ac252STommy Huang /* Record DP Sink status */ 75de2ac252STommy Huang uchar bEn_Frame; 76de2ac252STommy Huang uchar Link_Aux_RD_Val; 77de2ac252STommy Huang uchar CR_EQ_Keep; 78de2ac252STommy Huang int Deemlevel[3] = {DP_DEEMP_2, DP_DEEMP_0, DP_DEEMP_1}; 79de2ac252STommy Huang uchar Auto_Link_Rate; 80de2ac252STommy Huang uchar Auto_Lane_Count; 81de2ac252STommy Huang /* uchar Patch_Normal_Behavior; */ 82de2ac252STommy Huang 83de2ac252STommy Huang static int 84de2ac252STommy Huang do_ast_dptest(cmd_tbl_t *cmdtp, int flags, int argc, char *const argv[]) 85de2ac252STommy Huang { 86de2ac252STommy Huang char received = 0; 87de2ac252STommy Huang char execute_test = 0; 88de2ac252STommy Huang int flag = 0, i; 89de2ac252STommy Huang char *Temp = NULL; 90de2ac252STommy Huang 91de2ac252STommy Huang /* Default setting */ 92de2ac252STommy Huang DP_Rate = DP_RATE_1_62; 93de2ac252STommy Huang 94de2ac252STommy Huang Deemphasis_Show = DP_DEEMP_0; 95de2ac252STommy Huang Deemphasis_Level = DP_DEEMP_0; 96de2ac252STommy Huang Deemphasis_Level_1 = DP_DEEMP_2; 97de2ac252STommy Huang Swing_Level = 2; 98*f586eef6STommy Huang SSCG = DP_SSCG_ON; 99de2ac252STommy Huang 100de2ac252STommy Huang /* Obtain the argc / argv */ 101de2ac252STommy Huang for (i = 1; i < argc; i++) { 102de2ac252STommy Huang if (argv[i][0] == '-') { 103de2ac252STommy Huang switch (argv[i][1]) { 104de2ac252STommy Huang case 'D': 105de2ac252STommy Huang case 'd': 106de2ac252STommy Huang Temp = (char *)&argv[i][2]; 107de2ac252STommy Huang DBG_LEVEL = (int)(strtoul(Temp, NULL, 16)); 108de2ac252STommy Huang DBG_LEVEL |= DBG_ERR; /* Add must print. */ 109de2ac252STommy Huang printf("DBG_LEVEL change into 0x%x\n", DBG_LEVEL); 110de2ac252STommy Huang break; 111de2ac252STommy Huang case 'R': 112de2ac252STommy Huang case 'r': 113de2ac252STommy Huang Temp = (char *)&argv[i][2]; 114de2ac252STommy Huang I2C_PORT = (int)(strtoul(Temp, NULL, 16)); 115de2ac252STommy Huang printf("I2C_PORT change into 0x%x\n", I2C_PORT); 116de2ac252STommy Huang break; 117de2ac252STommy Huang default: 118de2ac252STommy Huang I2C_PORT = 0x0; 119de2ac252STommy Huang break; 120de2ac252STommy Huang } 121de2ac252STommy Huang } 122de2ac252STommy Huang } 123de2ac252STommy Huang 124de2ac252STommy Huang printf("ASPEED DP Physical Layer Test Tool V %d.%d.%d\n", MAINVER, SUBVER, TEMPVER); 125de2ac252STommy Huang #ifdef INTERNAL 126de2ac252STommy Huang printf("Internal Version\n"); 127de2ac252STommy Huang #endif 128de2ac252STommy Huang 129de2ac252STommy Huang printf("Build Date: %d.%d.%d\n\n", YEAR, MONTH, DAY); 130de2ac252STommy Huang 131de2ac252STommy Huang printf("PLEASE REFER USER MANUAL BEFORE TEST!!\n\n"); 132de2ac252STommy Huang 133de2ac252STommy Huang /* DP TX MCU reset */ 134de2ac252STommy Huang DPTX_MCU_Reset(); 135de2ac252STommy Huang printf("DP TX MCU Initial Done!\n"); 136de2ac252STommy Huang 137de2ac252STommy Huang /* DP phy set */ 138de2ac252STommy Huang DPPHY_Set(); 139de2ac252STommy Huang printf("DP Physcial Config Done!\n"); 140de2ac252STommy Huang 141de2ac252STommy Huang printf("Press ESC key to leave test ...\n\n"); 142de2ac252STommy Huang 143de2ac252STommy Huang // While for auto testing 144de2ac252STommy Huang while (1) { 145de2ac252STommy Huang if (tstc()) { 146de2ac252STommy Huang received = getc(); 147de2ac252STommy Huang 148de2ac252STommy Huang /* printf("Press %d\n",received); */ 149de2ac252STommy Huang 150de2ac252STommy Huang /* Set parameters path */ 151*f586eef6STommy Huang if (received >= 49 && received <= 53) { 152de2ac252STommy Huang switch (received) { 153de2ac252STommy Huang /* Press "1" : Set DP_Rate as 1.62 */ 154de2ac252STommy Huang case '1': 155de2ac252STommy Huang DP_Rate = DP_RATE_1_62; 156de2ac252STommy Huang PRINT_RATE_1_62; 157de2ac252STommy Huang break; 158de2ac252STommy Huang /* Press "2" : Set DP_Rate as 2.701 */ 159de2ac252STommy Huang case '2': 160de2ac252STommy Huang DP_Rate = DP_RATE_2_70; 161de2ac252STommy Huang PRINT_RATE_2_70; 162de2ac252STommy Huang break; 163de2ac252STommy Huang /* Press "3" : Set DP_Rate as 5.40 */ 164de2ac252STommy Huang /* case '3': */ 165de2ac252STommy Huang /* DP_Rate = DP_RATE_5_40; */ 166de2ac252STommy Huang /* PRINT_RATE_5_40 */ 167de2ac252STommy Huang /* break; */ 168de2ac252STommy Huang #ifdef INTERNAL 169*f586eef6STommy Huang /* Press "3" : Set Deemphasis_Level as 1 / Deemphasis_Level_1 as 2 */ 170*f586eef6STommy Huang case '3': 171de2ac252STommy Huang Deemphasis_Level = DP_DEEMP_1; 172de2ac252STommy Huang Deemphasis_Level_1 = DP_DEEMP_2; 173de2ac252STommy Huang Deemphasis_Show = DP_DEEMP_0; 174de2ac252STommy Huang Deemphasis_RD = Deemphasis_Show; 175dfc7ece5STommy Huang PRINT_DEEMP_0; 176de2ac252STommy Huang break; 177*f586eef6STommy Huang /* Press "4" : Set Deemphasis_Level as 0 / Deemphasis_Level_1 as 0 */ 178*f586eef6STommy Huang case '4': 179de2ac252STommy Huang Deemphasis_Level = DP_DEEMP_0; 180de2ac252STommy Huang Deemphasis_Level_1 = DP_DEEMP_0; 181de2ac252STommy Huang Deemphasis_Show = DP_DEEMP_1; 182de2ac252STommy Huang Deemphasis_RD = Deemphasis_Show; 183dfc7ece5STommy Huang PRINT_DEEMP_1; 184de2ac252STommy Huang break; 185*f586eef6STommy Huang /* Press "5" : Set Deemphasis_Level as 2 / Deemphasis_Level_1 as 1 */ 186*f586eef6STommy Huang case '5': 187de2ac252STommy Huang Deemphasis_Level = DP_DEEMP_2; 188de2ac252STommy Huang Deemphasis_Level_1 = DP_DEEMP_1; 189de2ac252STommy Huang Deemphasis_Show = DP_DEEMP_2; 190de2ac252STommy Huang Deemphasis_RD = Deemphasis_Show; 191dfc7ece5STommy Huang PRINT_DEEMP_2; 192de2ac252STommy Huang break; 193de2ac252STommy Huang #endif 194de2ac252STommy Huang default: 195de2ac252STommy Huang break; 196de2ac252STommy Huang } 197de2ac252STommy Huang 198de2ac252STommy Huang if (execute_test) 199de2ac252STommy Huang printf("The parameter is applied next measure!\n"); 200de2ac252STommy Huang 201de2ac252STommy Huang } else if (received == '!') /* show config */ { 202de2ac252STommy Huang if (execute_test) 203de2ac252STommy Huang printf("Measurement is executed!\n"); 204de2ac252STommy Huang else 205de2ac252STommy Huang printf("Measurement is stopped!\n"); 206de2ac252STommy Huang 207de2ac252STommy Huang DPPHYTX_Show_Cfg(); 208de2ac252STommy Huang } else if (received == '0') /* change sscfg */ { 209de2ac252STommy Huang if (SSCG == DP_SSCG_ON) { 210de2ac252STommy Huang SSCG = DP_SSCG_OFF; 211de2ac252STommy Huang PRINT_SSCG_OFF; 212de2ac252STommy Huang } else { 213de2ac252STommy Huang SSCG = DP_SSCG_ON; 214de2ac252STommy Huang PRINT_SSCG_ON; 215de2ac252STommy Huang } 216de2ac252STommy Huang 217de2ac252STommy Huang /* SSCG could be applied without reset device. */ 218de2ac252STommy Huang if (execute_test) { 219de2ac252STommy Huang printf("Apply SSCG into current measurement !\n\n"); 220de2ac252STommy Huang TX_SSCG_Cfg = DP_TX_RDY_TEST; 221*f586eef6STommy Huang /* TX_SSCG_Cfg |= SSCG; */ 222*f586eef6STommy Huang TX_SSCG_Cfg |= DP_SSCG_ON; 223de2ac252STommy Huang writel(TX_SSCG_Cfg, DP_TX_PHY_SET); 224de2ac252STommy Huang } 225de2ac252STommy Huang } else { 226de2ac252STommy Huang /* Check the ESC key */ 227de2ac252STommy Huang if (received == 27) { 228de2ac252STommy Huang execute_test = 0; 229de2ac252STommy Huang DPTX_MCU_Reset(); 230de2ac252STommy Huang printf("'ESC' is pressed!\n"); 231de2ac252STommy Huang break; 232de2ac252STommy Huang } 233de2ac252STommy Huang 234de2ac252STommy Huang /* If the test is execute, reset it */ 235de2ac252STommy Huang if (execute_test) { 236de2ac252STommy Huang execute_test = 0; 237de2ac252STommy Huang DPTX_MCU_Reset(); 238de2ac252STommy Huang 239de2ac252STommy Huang printf("Stop current measurement !\n\n\n\n\n\n"); 240de2ac252STommy Huang } 241de2ac252STommy Huang 242de2ac252STommy Huang /* Clear flag */ 243de2ac252STommy Huang flag = 0; 244de2ac252STommy Huang 245de2ac252STommy Huang Current_Item = received; 246de2ac252STommy Huang 247de2ac252STommy Huang switch (received) { 248de2ac252STommy Huang case 'a': 249de2ac252STommy Huang flag = (F_EMPHASIS_NULL | F_PAT_PRBS7); 250de2ac252STommy Huang break; 251de2ac252STommy Huang #ifdef INTERNAL 252de2ac252STommy Huang case 'b': 253de2ac252STommy Huang flag = (F_EMPHASIS_1 | F_PAT_PRBS7); 254de2ac252STommy Huang break; 255de2ac252STommy Huang 256*f586eef6STommy Huang case 'c': 257de2ac252STommy Huang flag = (F_EMPHASIS_1 | F_PAT_PLTPAT); 258de2ac252STommy Huang break; 259de2ac252STommy Huang 260*f586eef6STommy Huang case 'd': /* Non-Transition Voltage Range Measurement - PLTPAT */ 261de2ac252STommy Huang flag = (F_EMPHASIS | F_PAT_PLTPAT); 262de2ac252STommy Huang break; 263de2ac252STommy Huang 264*f586eef6STommy Huang case 'e': /* Pre-Emphasis Level Test and Pre-Emphasis Level Delta Test- PRBS7 */ 265de2ac252STommy Huang flag = (F_EMPHASIS_1 | F_PAT_PRBS7); 266de2ac252STommy Huang break; 267de2ac252STommy Huang 268*f586eef6STommy Huang case 'f': /* Non-Transition Voltage Range Measurement - PRBS7 */ 269de2ac252STommy Huang flag = (F_EMPHASIS | F_PAT_PRBS7); 270de2ac252STommy Huang break; 271de2ac252STommy Huang 272*f586eef6STommy Huang case 'g': /* Total - PRBS7 */ 273de2ac252STommy Huang flag = (F_EMPHASIS_1 | F_PAT_D10_2); 274de2ac252STommy Huang break; 275de2ac252STommy Huang 276*f586eef6STommy Huang case 'h': 277de2ac252STommy Huang printf("Change the Swing value from request\n"); 278de2ac252STommy Huang flag = (F_EMPHASIS_1 | F_PAT_PRBS7 | F_SHOW_SWING); 279de2ac252STommy Huang break; 280de2ac252STommy Huang 281*f586eef6STommy Huang case 'i': 282de2ac252STommy Huang printf("Change the Swing value from request\n"); 283de2ac252STommy Huang flag = (F_EMPHASIS_1 | F_PAT_PLTPAT | DP_TX_HIGH_SPEED | F_SHOW_SWING); 284de2ac252STommy Huang break; 285de2ac252STommy Huang 286*f586eef6STommy Huang case 'j': 287de2ac252STommy Huang flag = F_PAT_AUX; 288de2ac252STommy Huang break; 289de2ac252STommy Huang #endif 290de2ac252STommy Huang case 'x': /* Auto hand shaking with DPR-100 */ 291de2ac252STommy Huang flag = F_EXE_AUTO; 292de2ac252STommy Huang break; 293de2ac252STommy Huang 294de2ac252STommy Huang default: 295de2ac252STommy Huang printf("Non - define command!\n"); 296de2ac252STommy Huang break; 297de2ac252STommy Huang } 298de2ac252STommy Huang 299de2ac252STommy Huang // Execute testing 300de2ac252STommy Huang if (flag) { 301de2ac252STommy Huang execute_test = 1; 302de2ac252STommy Huang GFlag = flag; 303de2ac252STommy Huang 304de2ac252STommy Huang if (flag & F_PAT_AUX) { 305de2ac252STommy Huang printf("######################################\n"); 306de2ac252STommy Huang printf("#Current DP TX setting is shown below#\n"); 307de2ac252STommy Huang printf("######################################\n\n"); 308de2ac252STommy Huang 309de2ac252STommy Huang DPPHYTX_Show_Item(Current_Item); 310de2ac252STommy Huang Apply_AUX_Mesument(flag); 311de2ac252STommy Huang } else if (flag & F_EXE_AUTO) { 312de2ac252STommy Huang printf("#########################\n"); 313de2ac252STommy Huang printf("#Enter DP TX Auto Test!!#\n"); 314de2ac252STommy Huang printf("#########################\n\n"); 315de2ac252STommy Huang 316de2ac252STommy Huang Apply_Auto_Preset(0x1); 317de2ac252STommy Huang Apply_Auto_Mesument(); 318de2ac252STommy Huang Apply_Auto_Preset(0x0); 319de2ac252STommy Huang 320de2ac252STommy Huang printf("#########################\n"); 321de2ac252STommy Huang printf("#Leave DP TX Auto Test!!#\n"); 322de2ac252STommy Huang printf("#########################\n\n"); 323de2ac252STommy Huang } else { 324de2ac252STommy Huang DPPHYTX_Show_Cfg(); 325de2ac252STommy Huang Apply_Main_Mesument(flag); 326de2ac252STommy Huang } 327de2ac252STommy Huang } 328de2ac252STommy Huang } 329de2ac252STommy Huang } 330de2ac252STommy Huang mdelay(200); 331de2ac252STommy Huang }; 332de2ac252STommy Huang 333de2ac252STommy Huang printf("\n\n"); 334de2ac252STommy Huang return 0; 335de2ac252STommy Huang } 336de2ac252STommy Huang 337de2ac252STommy Huang /* Temp for cording here */ 338de2ac252STommy Huang void Apply_Auto_Preset(char Init) 339de2ac252STommy Huang { 340de2ac252STommy Huang /* Fill some nessary register value for auto test */ 341de2ac252STommy Huang if (Init) { 342de2ac252STommy Huang /* Enable MCU received interrupt */ 343de2ac252STommy Huang writel(0x00e80000, DP_TX_INT_CLEAR); 344de2ac252STommy Huang 345de2ac252STommy Huang /* Set HPD irq time interval */ 346de2ac252STommy Huang writel(0x04e300fb, DP_TX_IRQ_CFG); 347de2ac252STommy Huang 348de2ac252STommy Huang /* Set HPD event time interval */ 349de2ac252STommy Huang writel(0x000007d1, DP_TX_EVENT_CFG); 350de2ac252STommy Huang } else { 351de2ac252STommy Huang /* Recover */ 352de2ac252STommy Huang writel(0x0, DP_TX_INT_CLEAR); 353de2ac252STommy Huang writel(0x0, DP_TX_IRQ_CFG); 354de2ac252STommy Huang writel(0x0, DP_TX_EVENT_CFG); 355de2ac252STommy Huang } 356de2ac252STommy Huang } 357de2ac252STommy Huang 358de2ac252STommy Huang /* READ EDID */ 359de2ac252STommy Huang void Read_EDID_128(char Offset) 360de2ac252STommy Huang { 361de2ac252STommy Huang char AUX_Data[16] = {0}; 362de2ac252STommy Huang uchar Length = 1; 363de2ac252STommy Huang uchar Status = 0; 364de2ac252STommy Huang uchar i, j; 365de2ac252STommy Huang 366de2ac252STommy Huang DBG(DBG_A_EDID, "R EDID Offset %d\n", Offset); 367de2ac252STommy Huang 368de2ac252STommy Huang AUX_W(I2C_M_EA_CMD_W, 0x50, (int *)(&AUX_Data), &Length, &Status); 369de2ac252STommy Huang 370de2ac252STommy Huang AUX_Data[0] = Offset; 371de2ac252STommy Huang AUX_W(I2C_M_CMD_W, 0x50, (int *)(&AUX_Data), &Length, &Status); 372de2ac252STommy Huang 373de2ac252STommy Huang AUX_R(I2C_M_EA_CMD_R, 0x50, (int *)(&AUX_Data), &Length, &Status); 374de2ac252STommy Huang 375de2ac252STommy Huang Length = 16; 376de2ac252STommy Huang 377de2ac252STommy Huang // Read 128 bytes block 378de2ac252STommy Huang for (i = 0; i < 8; i++) { 379de2ac252STommy Huang do { 380de2ac252STommy Huang AUX_R(I2C_M_CMD_R, 0x50, (int *)(&AUX_Data), &Length, &Status); 381de2ac252STommy Huang DBG(DBG_A_EDID, "EDID read %d!\n", i); 382de2ac252STommy Huang 383de2ac252STommy Huang udelay(100); 384de2ac252STommy Huang } while (Status == 0x20); 385de2ac252STommy Huang 386de2ac252STommy Huang /* copy from temp into EDID */ 387de2ac252STommy Huang for (j = 0; j < 16; j++) 388de2ac252STommy Huang EDID[Offset + i * 16 + j] = AUX_Data[j]; 389de2ac252STommy Huang } 390de2ac252STommy Huang 391de2ac252STommy Huang Length = 1; 392de2ac252STommy Huang AUX_R(I2C_EA_CMD_R, 0x50, (int *)(&AUX_Data), &Length, &Status); 393de2ac252STommy Huang } 394de2ac252STommy Huang 395de2ac252STommy Huang void Apply_EDID_Reading(void) 396de2ac252STommy Huang { 397de2ac252STommy Huang char AUX_Data[16] = {0}; 398de2ac252STommy Huang uchar Length = 1; 399de2ac252STommy Huang uchar Status = 0; 400de2ac252STommy Huang 401de2ac252STommy Huang DBG(DBG_STAGE, "Apply EDID Reading!\n"); 402de2ac252STommy Huang 403de2ac252STommy Huang AUX_W(I2C_M_EA_CMD_W, 0x50, (int *)(&AUX_Data), &Length, &Status); 404de2ac252STommy Huang 405de2ac252STommy Huang AUX_W(I2C_M_CMD_W, 0x50, (int *)(&AUX_Data), &Length, &Status); 406de2ac252STommy Huang 407de2ac252STommy Huang AUX_R(I2C_M_EA_CMD_R, 0x50, (int *)(&AUX_Data), &Length, &Status); 408de2ac252STommy Huang 409de2ac252STommy Huang /* Check read EDID header */ 410de2ac252STommy Huang Length = 4; 411de2ac252STommy Huang do { 412de2ac252STommy Huang AUX_R(I2C_M_CMD_R, 0x50, (int *)(&AUX_Data), &Length, &Status); 413de2ac252STommy Huang 414de2ac252STommy Huang udelay(100); 415de2ac252STommy Huang } while (Status == 0x20); 416de2ac252STommy Huang 417de2ac252STommy Huang DBG(DBG_A_EDID, "EDID First 4 is 0x%X_0x%X_0x%X_0x%X\n", AUX_Data[0], AUX_Data[1], AUX_Data[2], AUX_Data[3]); 418de2ac252STommy Huang 419de2ac252STommy Huang Length = 1; 420de2ac252STommy Huang AUX_R(I2C_EA_CMD_R, 0x50, (int *)(&AUX_Data), &Length, &Status); 421de2ac252STommy Huang 422de2ac252STommy Huang DBG(DBG_A_EDID, "Read 128!\n"); 423de2ac252STommy Huang Read_EDID_128(0x0); 424de2ac252STommy Huang 425de2ac252STommy Huang /* If the extension bit is set, then read back next block */ 426de2ac252STommy Huang if (EDID[0x7E] == 0x1) { 427de2ac252STommy Huang DBG(DBG_A_EDID, "Read 256!\n"); 428de2ac252STommy Huang Read_EDID_128(0x80); 429de2ac252STommy Huang } 430de2ac252STommy Huang } 431de2ac252STommy Huang 432de2ac252STommy Huang /* LINK TRAIN */ 433de2ac252STommy Huang uchar Adjust_CR_EQ_Train(int TrainPat, uchar ADJStatus) 434de2ac252STommy Huang { 435de2ac252STommy Huang char AUX_Data[16] = {0}; 436de2ac252STommy Huang uchar Ret = 0; 437de2ac252STommy Huang uchar Length = 1; 438de2ac252STommy Huang uchar Status = 0; 439de2ac252STommy Huang uchar AUX_R_Level = 0; 440de2ac252STommy Huang uchar AUX_W_Level = 0; 441de2ac252STommy Huang uchar DE_Level = 0x0; 442de2ac252STommy Huang uchar CR_Status = 0; 443de2ac252STommy Huang int value = 0; 444de2ac252STommy Huang uchar bFirst = 1; 445de2ac252STommy Huang uchar tempkeep = 0; 446de2ac252STommy Huang 447de2ac252STommy Huang /* Set the main link pattern with TPS1 / TPS2 for Lanex_CR_Done */ 448de2ac252STommy Huang value = ((readl(DP_TX_MAIN_PAT) & ~(0x30000000)) | TrainPat); 449de2ac252STommy Huang writel(value, DP_TX_MAIN_PAT); 450de2ac252STommy Huang DBG(DBG_A_SUB, "1.A_C_E Set Link Pattern\n"); 451de2ac252STommy Huang 452de2ac252STommy Huang /* AST phy 0xE4 Bit28 (0x1000000) / DP 0x102 Bit0 : TPS1 */ 453de2ac252STommy Huang /* AST phy 0xE4 Bit29 (0x2000000) / DP 0x102 Bit1 : TPS2 */ 454de2ac252STommy Huang if (TrainPat == 0x10000000) 455de2ac252STommy Huang AUX_Data[0] = 0x21; 456de2ac252STommy Huang else 457de2ac252STommy Huang AUX_Data[0] = 0x22; 458de2ac252STommy Huang 459de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x102, (int *)(&AUX_Data), &Length, &Status); 460de2ac252STommy Huang DBG(DBG_A_SUB, "2.A_C_E W 0x102 set 0x%x\n", AUX_Data[0]); 461de2ac252STommy Huang 462de2ac252STommy Huang /* First */ 463de2ac252STommy Huang if (bFirst) { 464de2ac252STommy Huang Length = 4; 465de2ac252STommy Huang 466de2ac252STommy Huang AUX_Data[0] = CR_EQ_Keep; 467de2ac252STommy Huang AUX_Data[1] = CR_EQ_Keep; 468de2ac252STommy Huang AUX_Data[2] = CR_EQ_Keep; 469de2ac252STommy Huang AUX_Data[3] = CR_EQ_Keep; 470de2ac252STommy Huang tempkeep = CR_EQ_Keep; 471de2ac252STommy Huang 472de2ac252STommy Huang do { 473de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x103, (int *)(&AUX_Data), &Length, &Status); 474de2ac252STommy Huang DBG(DBG_A_SUB, "3.A_C_E W 0x103 - 0x106 set\n"); 475de2ac252STommy Huang } while (Status == 0x20); 476de2ac252STommy Huang 477de2ac252STommy Huang Length = 6; 478de2ac252STommy Huang 479de2ac252STommy Huang udelay(1200); 480de2ac252STommy Huang 481de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x200, (int *)(&AUX_Data), &Length, &Status); 482de2ac252STommy Huang DBG(DBG_A_SUB, "4.A_C_E R 0x200 - 0x205 read back\n"); 483de2ac252STommy Huang 484de2ac252STommy Huang if ((AUX_Data[2] & ADJStatus) == ADJStatus) { 485de2ac252STommy Huang CR_EQ_Keep = tempkeep; 486de2ac252STommy Huang return Ret; 487de2ac252STommy Huang } 488de2ac252STommy Huang 489de2ac252STommy Huang bFirst = 0; 490de2ac252STommy Huang } 491de2ac252STommy Huang 492de2ac252STommy Huang /* loop for CR_lock */ 493de2ac252STommy Huang do { 494de2ac252STommy Huang Length = 1; 495de2ac252STommy Huang 496de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x206, (int *)(&AUX_Data), &Length, &Status); 497de2ac252STommy Huang DBG(DBG_A_SUB, "5.A_C_E R 0x206 read back\n"); 498de2ac252STommy Huang AUX_R_Level = AUX_Data[0]; 499de2ac252STommy Huang 500de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x207, (int *)(&AUX_Data), &Length, &Status); 501de2ac252STommy Huang DBG(DBG_A_SUB, "6.A_C_E R 0x207 read back\n"); 502de2ac252STommy Huang 503de2ac252STommy Huang /* Update SW Level */ 504de2ac252STommy Huang switch (AUX_R_Level & 0x33) { 505de2ac252STommy Huang case 0x00: 506de2ac252STommy Huang AUX_W_Level = 00; 507de2ac252STommy Huang break; 508de2ac252STommy Huang case 0x11: 509de2ac252STommy Huang AUX_W_Level = 01; 510de2ac252STommy Huang break; 511de2ac252STommy Huang default: 512de2ac252STommy Huang AUX_W_Level = 06; 513de2ac252STommy Huang break; 514de2ac252STommy Huang } 515de2ac252STommy Huang 516de2ac252STommy Huang /* Update SW Level */ 517de2ac252STommy Huang switch (AUX_R_Level & 0xCC) { 518de2ac252STommy Huang case 0x00: 519de2ac252STommy Huang /* AUX_W_Level |= 00; */ 520de2ac252STommy Huang DE_Level = 0; 521de2ac252STommy Huang break; 522de2ac252STommy Huang case 0x44: 523de2ac252STommy Huang AUX_W_Level |= 0x08; 524de2ac252STommy Huang DE_Level = 1; 525de2ac252STommy Huang break; 526de2ac252STommy Huang default: 527de2ac252STommy Huang AUX_W_Level |= 0x30; 528de2ac252STommy Huang DE_Level = 2; 529de2ac252STommy Huang break; 530de2ac252STommy Huang } 531de2ac252STommy Huang 532de2ac252STommy Huang /* Set the de-emphsis value */ 533de2ac252STommy Huang value = ((readl(DP_TX_PHY_CFG) & ~(0x33000000)) | Deemlevel[DE_Level]); 534de2ac252STommy Huang writel(value, DP_TX_PHY_CFG); 535de2ac252STommy Huang DBG(DBG_A_SUB, "6.A_C_E Set Phy config %d\n", DE_Level); 536de2ac252STommy Huang 537de2ac252STommy Huang DBG(DBG_A_SUB, "Link AUX_W_Level is 0x%x\n", AUX_W_Level); 538de2ac252STommy Huang 539de2ac252STommy Huang Length = 4; 540de2ac252STommy Huang 541de2ac252STommy Huang AUX_Data[0] = AUX_W_Level; 542de2ac252STommy Huang AUX_Data[1] = AUX_W_Level; 543de2ac252STommy Huang AUX_Data[2] = AUX_W_Level; 544de2ac252STommy Huang AUX_Data[3] = AUX_W_Level; 545de2ac252STommy Huang tempkeep = AUX_W_Level; 546de2ac252STommy Huang 547de2ac252STommy Huang do { 548de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x103, (int *)(&AUX_Data), &Length, &Status); 549de2ac252STommy Huang DBG(DBG_A_SUB, "7.A_C_E W 0x103 - 0x106 set\n"); 550de2ac252STommy Huang } while (Status == 0x20); 551de2ac252STommy Huang 552de2ac252STommy Huang udelay(1380); 553de2ac252STommy Huang 554de2ac252STommy Huang Length = 6; 555de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x200, (int *)(&AUX_Data), &Length, &Status); 556de2ac252STommy Huang DBG(DBG_A_SUB, "8.A_C_E R 0x200 - 0x205 read back\n"); 557de2ac252STommy Huang 558de2ac252STommy Huang CR_Status = AUX_Data[2] & ADJStatus; 559de2ac252STommy Huang 560de2ac252STommy Huang /* Decrease speed because the deemphasis level reach max value */ 561de2ac252STommy Huang if (AUX_W_Level == 0x36) { 562de2ac252STommy Huang Ret = 1; 563de2ac252STommy Huang break; 564de2ac252STommy Huang } 565de2ac252STommy Huang 566de2ac252STommy Huang } while (CR_Status != ADJStatus); 567de2ac252STommy Huang 568de2ac252STommy Huang CR_EQ_Keep = tempkeep; 569de2ac252STommy Huang 570de2ac252STommy Huang return Ret; 571de2ac252STommy Huang } 572de2ac252STommy Huang 573de2ac252STommy Huang uchar Link_Train_Flow(char Link_Level) 574de2ac252STommy Huang { 575de2ac252STommy Huang char AUX_Data[16] = {0}; 576de2ac252STommy Huang uchar Length = 1; 577de2ac252STommy Huang uchar Status = 0; 578de2ac252STommy Huang uchar Ret = 0; 579de2ac252STommy Huang int value = 0; 580de2ac252STommy Huang 581de2ac252STommy Huang DBG(DBG_STAGE, "Link train flow! Level : %d\n", Link_Level); 582de2ac252STommy Huang 583de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x101, (int *)(&AUX_Data), &Length, &Status); 584de2ac252STommy Huang DBG(DBG_A_SUB, "1.Link R 0x101 read back\n"); 585de2ac252STommy Huang 586de2ac252STommy Huang /* Normal / Test case */ 587de2ac252STommy Huang if (Auto_Lane_Count) 588de2ac252STommy Huang AUX_Data[0] = ((AUX_Data[0] & 0xE0) | Auto_Lane_Count); 589de2ac252STommy Huang else 590de2ac252STommy Huang AUX_Data[0] = ((AUX_Data[0] & 0xE0) | 0x2); 591de2ac252STommy Huang 592de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x101, (int *)(&AUX_Data), &Length, &Status); 593de2ac252STommy Huang DBG(DBG_A_SUB, "2.Link W 0x101 clear\n"); 594de2ac252STommy Huang 595de2ac252STommy Huang /* Set different clock bit rate */ 596de2ac252STommy Huang value = ((readl(DP_TX_MAIN_SET) & ~(0x300)) | (Link_Level << 8)); 597de2ac252STommy Huang writel(value, DP_TX_MAIN_SET); 598de2ac252STommy Huang 599de2ac252STommy Huang switch (Link_Level) { 600de2ac252STommy Huang case 0x1: /* 2.7 */ 601de2ac252STommy Huang AUX_Data[0] = 0x0a; 602de2ac252STommy Huang break; 603de2ac252STommy Huang 604de2ac252STommy Huang default: /* 1.62 */ 605de2ac252STommy Huang AUX_Data[0] = 0x06; 606de2ac252STommy Huang break; 607de2ac252STommy Huang } 608de2ac252STommy Huang 609de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x100, (int *)(&AUX_Data), &Length, &Status); 610de2ac252STommy Huang DBG(DBG_A_SUB, "3.Link W 0x100 set\n"); 611de2ac252STommy Huang 612de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x101, (int *)(&AUX_Data), &Length, &Status); 613de2ac252STommy Huang DBG(DBG_A_SUB, "4.Link R 0x101 read back\n"); 614de2ac252STommy Huang 615de2ac252STommy Huang /* Normal / Test case */ 616de2ac252STommy Huang if (Auto_Lane_Count) 617de2ac252STommy Huang AUX_Data[0] = ((AUX_Data[0] & 0xE0) | Auto_Lane_Count); 618de2ac252STommy Huang else 619de2ac252STommy Huang AUX_Data[0] = ((AUX_Data[0] & 0xE0) | 0x2); 620de2ac252STommy Huang 621de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x101, (int *)(&AUX_Data), &Length, &Status); 622de2ac252STommy Huang DBG(DBG_A_SUB, "5.Link W 0x101 clear\n"); 623de2ac252STommy Huang 624de2ac252STommy Huang /* Set the 2 lanes and enhance frame by checking AUX 0x2 bit 7 */ 625de2ac252STommy Huang value = ((readl(DP_TX_MAIN_SET) & ~(0x1070)) | 0x20); 626de2ac252STommy Huang 627de2ac252STommy Huang if (bEn_Frame) 628de2ac252STommy Huang value |= 0x1000; 629de2ac252STommy Huang 630de2ac252STommy Huang writel(value, DP_TX_MAIN_SET); 631de2ac252STommy Huang 632de2ac252STommy Huang value = ((readl(DP_TX_PHY_CFG) & ~(0x3000)) | 0x3000); 633de2ac252STommy Huang 634de2ac252STommy Huang writel(value, DP_TX_PHY_CFG); 635de2ac252STommy Huang 636de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x101, (int *)(&AUX_Data), &Length, &Status); 637de2ac252STommy Huang DBG(DBG_A_SUB, "6.Link R 0x101 read back\n"); 638de2ac252STommy Huang 639de2ac252STommy Huang /* Normal / Test case */ 640de2ac252STommy Huang if (Auto_Lane_Count) 641de2ac252STommy Huang AUX_Data[0] = ((AUX_Data[0] & 0xE0) | Auto_Lane_Count); 642de2ac252STommy Huang else 643de2ac252STommy Huang AUX_Data[0] = ((AUX_Data[0] & 0xE0) | 0x2); 644de2ac252STommy Huang 645de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x101, (int *)(&AUX_Data), &Length, &Status); 646de2ac252STommy Huang DBG(DBG_A_SUB, "7.Link W 0x101 clear\n"); 647de2ac252STommy Huang 648de2ac252STommy Huang /* Set the main link control on */ 649de2ac252STommy Huang value = ((readl(DP_TX_PHY_SET) & ~(0x100)) | 0x100); 650de2ac252STommy Huang 651de2ac252STommy Huang udelay(1000); 652de2ac252STommy Huang udelay(1500); 653de2ac252STommy Huang 654de2ac252STommy Huang writel(value, DP_TX_PHY_SET); 655de2ac252STommy Huang 656de2ac252STommy Huang do { 657de2ac252STommy Huang value = (readl(DP_TX_PHY_SET) & 0x200); 658de2ac252STommy Huang } while (value != 0x200); 659de2ac252STommy Huang DBG(DBG_A_SUB, "8.Link Main Link Ready\n"); 660de2ac252STommy Huang 661de2ac252STommy Huang /* Adjust for CR */ 662de2ac252STommy Huang if (Adjust_CR_EQ_Train(0x10000000, 0x11)) { 663de2ac252STommy Huang Ret = 1; 664de2ac252STommy Huang return Ret; 665de2ac252STommy Huang } 666de2ac252STommy Huang 667de2ac252STommy Huang /* Adjust for EQ */ 668de2ac252STommy Huang if (Adjust_CR_EQ_Train(0x20000000, 0x77)) { 669de2ac252STommy Huang Ret = 1; 670de2ac252STommy Huang return Ret; 671de2ac252STommy Huang } 672de2ac252STommy Huang 673de2ac252STommy Huang return Ret; 674de2ac252STommy Huang } 675de2ac252STommy Huang 676de2ac252STommy Huang void Apply_HPD_Normal(void) 677de2ac252STommy Huang { 678de2ac252STommy Huang char AUX_Data[16] = {0}; 679de2ac252STommy Huang uchar Length = 1; 680de2ac252STommy Huang uchar Status = 0; 681de2ac252STommy Huang int value = 0; 682de2ac252STommy Huang 683de2ac252STommy Huang DBG(DBG_STAGE, "HPD Normal set!\n"); 684de2ac252STommy Huang 685de2ac252STommy Huang AUX_Data[0] = 0x01; 686de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x600, (int *)(&AUX_Data), &Length, &Status); 687de2ac252STommy Huang DBG(DBG_NOR, "1.HPD_N W 0x600 set power!\n"); 688de2ac252STommy Huang 689de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x0, (int *)(&AUX_Data), &Length, &Status); 690de2ac252STommy Huang DBG(DBG_NOR, "2.HPD_N R 0x0 read back is 0x%X!\n", AUX_Data[0]); 691de2ac252STommy Huang 692de2ac252STommy Huang Length = 8; 693de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x500, (int *)(&AUX_Data), &Length, &Status); 694de2ac252STommy Huang DBG(DBG_NOR, "3.HPD_N R 0x500 - 0x508 read back\n"); 695de2ac252STommy Huang 696de2ac252STommy Huang Length = 14; 697de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x0, (int *)(&AUX_Data), &Length, &Status); 698de2ac252STommy Huang DBG(DBG_NOR, "4.HPD_N R 0x0 - 0xD read back\n"); 699de2ac252STommy Huang 700de2ac252STommy Huang bEn_Frame = AUX_Data[2] & 0x80; 701de2ac252STommy Huang Link_Aux_RD_Val = AUX_Data[14]; 702de2ac252STommy Huang 703de2ac252STommy Huang if (bEn_Frame) 704de2ac252STommy Huang DBG(DBG_NOR, "4.HPD_N R 0x2 En_Frame_Cap\n"); 705de2ac252STommy Huang 706de2ac252STommy Huang Length = 1; 707de2ac252STommy Huang AUX_R(AUX_CMD_R, 0xe, (int *)(&AUX_Data), &Length, &Status); 708de2ac252STommy Huang DBG(DBG_NOR, "5.HPD_N R 0xE read back\n"); 709de2ac252STommy Huang 710de2ac252STommy Huang /* Read EDID */ 711de2ac252STommy Huang DBG(DBG_NOR, "6.HPD_N Apply_EDID_Reading Enter\n"); 712de2ac252STommy Huang 713de2ac252STommy Huang Apply_EDID_Reading(); 714de2ac252STommy Huang 715de2ac252STommy Huang DBG(DBG_NOR, "6.HPD_N Apply_EDID_Reading Leave\n"); 716de2ac252STommy Huang 717de2ac252STommy Huang Length = 2; 718de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x200, (int *)(&AUX_Data), &Length, &Status); 719de2ac252STommy Huang DBG(DBG_NOR, "7.HPD_N R 0x200 - 0x201 read back.\n"); 720de2ac252STommy Huang 721de2ac252STommy Huang Length = 1; 722de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x68028, (int *)(&AUX_Data), &Length, &Status); 723de2ac252STommy Huang DBG(DBG_NOR, "8.HPD_N R 0x68028 read back.\n"); 724de2ac252STommy Huang 725de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x68028, (int *)(&AUX_Data), &Length, &Status); 726de2ac252STommy Huang DBG(DBG_NOR, "9.HPD_N R 0x68028 read back.\n"); 727de2ac252STommy Huang 728de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x600, (int *)(&AUX_Data), &Length, &Status); 729de2ac252STommy Huang DBG(DBG_NOR, "10.HPD_N R 0x600 read back.\n"); 730de2ac252STommy Huang 731de2ac252STommy Huang AUX_Data[0] = 0x01; 732de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x600, (int *)(&AUX_Data), &Length, &Status); 733de2ac252STommy Huang DBG(DBG_NOR, "11.HPD_N W 0x600 set power!\n"); 734de2ac252STommy Huang 735de2ac252STommy Huang DBG(DBG_NOR, "12.HPD_N Link_Train_Flow 0x1 Enter\n"); 736de2ac252STommy Huang 737de2ac252STommy Huang Status = Link_Train_Flow(0x1); 738de2ac252STommy Huang 739de2ac252STommy Huang DBG(DBG_NOR, "12.HPD_N Link_Train_Flow 0x1 Leave\n"); 740de2ac252STommy Huang 741de2ac252STommy Huang if (Status) { 742de2ac252STommy Huang AUX_Data[0] = 0x20; 743de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x102, (int *)(&AUX_Data), &Length, &Status); 744de2ac252STommy Huang DBG(DBG_ERR, "!!HPD_N W 0x102 set Train Flow 0x1 Fail!!\n"); 745de2ac252STommy Huang 746de2ac252STommy Huang DBG(DBG_NOR, "13.HPD_N Link_Train_Flow 0x0 Enter\n"); 747de2ac252STommy Huang 748de2ac252STommy Huang Status = Link_Train_Flow(0x0); 749de2ac252STommy Huang 750de2ac252STommy Huang DBG(DBG_NOR, "13.HPD_NLink_Train_Flow 0x0 Leave\n"); 751de2ac252STommy Huang 752de2ac252STommy Huang if (Status) { 753de2ac252STommy Huang AUX_Data[0] = 0x20; 754de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x102, (int *)(&AUX_Data), &Length, &Status); 755de2ac252STommy Huang DBG(DBG_ERR, "!!HPD_N W 0x102 set Train Flow 0x0 Fail!!\n"); 756de2ac252STommy Huang 757de2ac252STommy Huang DBG(DBG_ERR, "### CAUTION!! LINK TRAN FAIL!! ###\n"); 758de2ac252STommy Huang 759de2ac252STommy Huang return; 760de2ac252STommy Huang } 761de2ac252STommy Huang } 762de2ac252STommy Huang 763de2ac252STommy Huang /* Link successful */ 764de2ac252STommy Huang AUX_Data[0] = 0x00; 765de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x102, (int *)(&AUX_Data), &Length, &Status); 766de2ac252STommy Huang DBG(DBG_NOR, "14.HPD_N W 0x102 clear!\n"); 767de2ac252STommy Huang 768de2ac252STommy Huang /* Fill idle pattern */ 769de2ac252STommy Huang value = ((readl(DP_TX_MAIN_PAT) & ~(0x31000000)) | 0x01000000); 770de2ac252STommy Huang writel(value, DP_TX_MAIN_PAT); 771de2ac252STommy Huang DBG(DBG_NOR, "15.HPD_N Fill idle pattern!\n"); 772de2ac252STommy Huang 773de2ac252STommy Huang Length = 1; 774de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x68028, (int *)(&AUX_Data), &Length, &Status); 775de2ac252STommy Huang DBG(DBG_NOR, "16.HPD_N R 0x68028 read back.\n"); 776de2ac252STommy Huang 777de2ac252STommy Huang Length = 5; 778de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x68000, (int *)(&AUX_Data), &Length, &Status); 779de2ac252STommy Huang DBG(DBG_NOR, "17.HPD_N R 0x68000 - 0x68004 read back.\n"); 780de2ac252STommy Huang 781de2ac252STommy Huang Length = 1; 782de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x68028, (int *)(&AUX_Data), &Length, &Status); 783de2ac252STommy Huang DBG(DBG_NOR, "18.HPD_N R 0x68028 read back.\n"); 784de2ac252STommy Huang 785de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x68028, (int *)(&AUX_Data), &Length, &Status); 786de2ac252STommy Huang DBG(DBG_NOR, "19.HPD_N R 0x68028 read back.\n"); 787de2ac252STommy Huang 788de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x0, (int *)(&AUX_Data), &Length, &Status); 789de2ac252STommy Huang DBG(DBG_NOR, "20.HPD_N R 0x0 read back.\n"); 790de2ac252STommy Huang } 791de2ac252STommy Huang 792de2ac252STommy Huang void Apply_HPD_Auto_Test(void) 793de2ac252STommy Huang { 794de2ac252STommy Huang char AUX_Data[16]; 795de2ac252STommy Huang uchar Length = 0; 796de2ac252STommy Huang uchar Status = 0; 797de2ac252STommy Huang uchar clear_auto_test = 0; 798de2ac252STommy Huang uchar auto_test_link = 0; 799de2ac252STommy Huang uchar auto_test_phy = 0; 800de2ac252STommy Huang uchar swing0 = 0, preemphasis0 = 0; 801de2ac252STommy Huang uchar swing1 = 0, preemphasis1 = 0; 802de2ac252STommy Huang int flag = 0; 803de2ac252STommy Huang char temp0 = 0, temp1 = 0; 804de2ac252STommy Huang char temp206 = 0; 805de2ac252STommy Huang 806de2ac252STommy Huang DBG(DBG_STAGE, "HPD Auto test set!\n"); 807de2ac252STommy Huang 808de2ac252STommy Huang /* Set power D0 */ 809de2ac252STommy Huang AUX_Data[0] = 0x01; 810de2ac252STommy Huang Length = 1; 811de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x600, (int *)(&AUX_Data), &Length, &Status); 812de2ac252STommy Huang DBG(DBG_A_TEST, "1.HP_I W 0x600 done!\n"); 813de2ac252STommy Huang 814de2ac252STommy Huang Length = 6; 815de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x200, (int *)(&AUX_Data), &Length, &Status); 816de2ac252STommy Huang DBG(DBG_A_TEST, "2.HP_I R 0x200 - 0x206 done!\n"); 817de2ac252STommy Huang 818de2ac252STommy Huang Length = 1; 819de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x201, (int *)(&AUX_Data), &Length, &Status); 820de2ac252STommy Huang DBG(DBG_A_TEST, "3.HP_I R 0x201 done!\n"); 821de2ac252STommy Huang 822de2ac252STommy Huang /* Obtain auto test */ 823de2ac252STommy Huang if (AUX_Data[0] & 0x2) 824de2ac252STommy Huang clear_auto_test = 1; 825de2ac252STommy Huang else 826de2ac252STommy Huang clear_auto_test = 0; 827de2ac252STommy Huang 828de2ac252STommy Huang /* Read dummy */ 829de2ac252STommy Huang Length = 3; 830de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x202, (int *)(&AUX_Data), &Length, &Status); 831de2ac252STommy Huang Length = 1; 832de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x101, (int *)(&AUX_Data), &Length, &Status); 833de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x200, (int *)(&AUX_Data), &Length, &Status); 834de2ac252STommy Huang Length = 3; 835de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x202, (int *)(&AUX_Data), &Length, &Status); 836de2ac252STommy Huang Length = 1; 837de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x205, (int *)(&AUX_Data), &Length, &Status); 838de2ac252STommy Huang DBG(DBG_A_TEST, "4. HP_I R Dummy!\n"); 839de2ac252STommy Huang 840de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x219, (int *)(&AUX_Data), &Length, &Status); 841de2ac252STommy Huang DBG(DBG_A_TEST, "5. HP_I Link Rate R 0x219 : 0x%x\n", AUX_Data[0]); 842de2ac252STommy Huang 843de2ac252STommy Huang if (AUX_Data[0] == 0x06) { 844de2ac252STommy Huang Auto_Link_Rate = AUX_Data[0]; 845de2ac252STommy Huang DP_Rate = DP_RATE_1_62; 846de2ac252STommy Huang PRINT_RATE_1_62; 847de2ac252STommy Huang } else if (AUX_Data[0] == 0x0a) { 848de2ac252STommy Huang Auto_Link_Rate = AUX_Data[0]; 849de2ac252STommy Huang DP_Rate = DP_RATE_2_70; 850de2ac252STommy Huang PRINT_RATE_2_70; 851de2ac252STommy Huang } else if (AUX_Data[0] == 0x14) { 852de2ac252STommy Huang DBG(DBG_ERR, "!!DON'T SET 5.4 bps !!\n"); 853de2ac252STommy Huang return; 854de2ac252STommy Huang } 855de2ac252STommy Huang 856de2ac252STommy Huang if (clear_auto_test) { 857de2ac252STommy Huang AUX_Data[0] = 0x02; 858de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x201, (int *)(&AUX_Data), &Length, &Status); 859de2ac252STommy Huang DBG(DBG_A_TEST, "1.HP_I CA W 0x201 clear auto!\n"); 860de2ac252STommy Huang clear_auto_test = 0; 861de2ac252STommy Huang 862de2ac252STommy Huang /* Fetch Testing data */ 863de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x218, (int *)(&AUX_Data), &Length, &Status); 864de2ac252STommy Huang DBG(DBG_A_TEST, "2.HP_I CA R 0x218 done!\n"); 865de2ac252STommy Huang 866de2ac252STommy Huang /* Check auto test link flag */ 867de2ac252STommy Huang if (AUX_Data[0] & 0x1) 868de2ac252STommy Huang auto_test_link = 1; 869de2ac252STommy Huang else 870de2ac252STommy Huang auto_test_link = 0; 871de2ac252STommy Huang 872de2ac252STommy Huang /* Check auto test phy flag */ 873de2ac252STommy Huang if (AUX_Data[0] & 0x8) 874de2ac252STommy Huang auto_test_phy = 1; 875de2ac252STommy Huang else 876de2ac252STommy Huang auto_test_phy = 0; 877de2ac252STommy Huang 878de2ac252STommy Huang if (auto_test_link) { 879de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x219, (int *)(&AUX_Data), &Length, &Status); 880de2ac252STommy Huang DBG(DBG_A_TEST, "1.HP_I TL R 0x219 : 0x%x\n", AUX_Data[0]); 881de2ac252STommy Huang 882de2ac252STommy Huang if (AUX_Data[0] == 0x06) { 883de2ac252STommy Huang Auto_Link_Rate = AUX_Data[0]; 884de2ac252STommy Huang DP_Rate = DP_RATE_1_62; 885de2ac252STommy Huang PRINT_RATE_1_62; 886de2ac252STommy Huang } else if (AUX_Data[0] == 0x0a) { 887de2ac252STommy Huang Auto_Link_Rate = AUX_Data[0]; 888de2ac252STommy Huang DP_Rate = DP_RATE_2_70; 889de2ac252STommy Huang PRINT_RATE_2_70; 890de2ac252STommy Huang } else if (AUX_Data[0] == 0x14) { 891de2ac252STommy Huang DBG(DBG_ERR, "!!DON'T SET 5.4 bps !!\n"); 892de2ac252STommy Huang return; 893de2ac252STommy Huang } 894de2ac252STommy Huang 895de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x220, (int *)(&AUX_Data), &Length, &Status); 896de2ac252STommy Huang DBG(DBG_A_TEST, "2.HP_I TL R 0x220 : 0x%x\n", AUX_Data[0]); 897de2ac252STommy Huang Auto_Lane_Count = AUX_Data[0] & 0x1F; 898de2ac252STommy Huang 899de2ac252STommy Huang AUX_Data[0] = 0x01; 900de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x260, (int *)(&AUX_Data), &Length, &Status); 901de2ac252STommy Huang DBG(DBG_A_TEST, "3.HP_I TL W 0x260 test ACK\n"); 902de2ac252STommy Huang 903de2ac252STommy Huang mdelay(95); 904de2ac252STommy Huang 905de2ac252STommy Huang /* Set power D0 */ 906de2ac252STommy Huang AUX_Data[0] = 0x01; 907de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x600, (int *)(&AUX_Data), &Length, &Status); 908de2ac252STommy Huang DBG(DBG_A_TEST, "3.1 HP_I W 0x600 done!\n"); 909de2ac252STommy Huang 910de2ac252STommy Huang switch (Auto_Link_Rate) { 911de2ac252STommy Huang case 0x06: 912de2ac252STommy Huang DBG(DBG_A_TEST, "4.HP_I TL Link_Train_Flow 1.62bps Enter\n"); 913de2ac252STommy Huang Status = Link_Train_Flow(0x0); 914de2ac252STommy Huang DBG(DBG_A_TEST, "4.HP_I TL Link_Train_Flow 1.62bps Leave\n"); 915de2ac252STommy Huang break; 916de2ac252STommy Huang 917de2ac252STommy Huang case 0x0a: 918de2ac252STommy Huang DBG(DBG_A_TEST, "4.HP_I TL Link_Train_Flow 2.70bps Enter\n"); 919de2ac252STommy Huang Status = Link_Train_Flow(0x1); 920de2ac252STommy Huang DBG(DBG_A_TEST, "4.HP_I TL Link_Train_Flow 2.70bps Leave\n"); 921de2ac252STommy Huang break; 922de2ac252STommy Huang 923de2ac252STommy Huang default: 924de2ac252STommy Huang DBG(DBG_ERR, "!!BAD LINK RATE!!\n"); 925de2ac252STommy Huang return; 926de2ac252STommy Huang } 927de2ac252STommy Huang 928de2ac252STommy Huang if (Status) { 929de2ac252STommy Huang DBG(DBG_ERR, "!!AUTO TEST LINK FAIL!!\n"); 930de2ac252STommy Huang return; 931de2ac252STommy Huang } 932de2ac252STommy Huang 933de2ac252STommy Huang /* Link successful */ 934de2ac252STommy Huang AUX_Data[0] = 0x00; 935de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x102, (int *)(&AUX_Data), &Length, &Status); 936de2ac252STommy Huang DBG(DBG_A_TEST, "5.HP_I TL Link clear!\n"); 937de2ac252STommy Huang 938de2ac252STommy Huang auto_test_link = 0; 939de2ac252STommy Huang } 940de2ac252STommy Huang 941de2ac252STommy Huang if (auto_test_phy) { 942de2ac252STommy Huang Length = 1; 943de2ac252STommy Huang flag = 0; 944de2ac252STommy Huang temp206 = 0; 945de2ac252STommy Huang 946de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x248, (int *)(&AUX_Data), &Length, &Status); 947de2ac252STommy Huang DBG(DBG_A_TEST, "1.HP_I TP R 0x248 : 0x%x!\n", AUX_Data[0]); 948de2ac252STommy Huang 949de2ac252STommy Huang if (AUX_Data[0] == 0x01) { 950de2ac252STommy Huang flag |= F_PAT_D10_2; 951de2ac252STommy Huang DBG(DBG_A_TEST, "HP_I TP D10.2!\n"); 952de2ac252STommy Huang } else if (AUX_Data[0] == 0x03) { 953de2ac252STommy Huang flag |= F_PAT_PRBS7; 954de2ac252STommy Huang DBG(DBG_A_TEST, "HP_I TP PRBS7!\n"); 955de2ac252STommy Huang } 956de2ac252STommy Huang 957de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x206, (int *)(&AUX_Data), &Length, &Status); 958de2ac252STommy Huang DBG(DBG_A_TEST, "2.HP_I TP R 0x206 : 0x%x!\n", AUX_Data[0]); 959de2ac252STommy Huang 960de2ac252STommy Huang /* Temp for verified */ 961de2ac252STommy Huang DBG(DBG_INF, "Read value 0x206 : 0x%x!\n", AUX_Data[0]); 962de2ac252STommy Huang 963de2ac252STommy Huang /* Check Swing */ 964de2ac252STommy Huang temp0 = (AUX_Data[0] & 0x03); 965de2ac252STommy Huang temp1 = (AUX_Data[0] & 0x30); 966de2ac252STommy Huang 967de2ac252STommy Huang /* Check Swing0 */ 968de2ac252STommy Huang switch (temp0) { 969de2ac252STommy Huang case 0x2: 970de2ac252STommy Huang swing0 = 0x2; 971de2ac252STommy Huang temp206 |= 6; 972de2ac252STommy Huang break; 973de2ac252STommy Huang case 0x1: 974de2ac252STommy Huang swing0 = 0x1; 975de2ac252STommy Huang temp206 |= 1; 976de2ac252STommy Huang break; 977de2ac252STommy Huang case 0x0: 978de2ac252STommy Huang swing0 = 0x0; 979de2ac252STommy Huang break; 980de2ac252STommy Huang default: 981de2ac252STommy Huang DBG(DBG_ERR, "HP_I TP 0x206 other swing0 val %x!\n", temp0); 982de2ac252STommy Huang break; 983de2ac252STommy Huang } 984de2ac252STommy Huang 985de2ac252STommy Huang /* Check Swing1 */ 986de2ac252STommy Huang switch (temp1) { 987de2ac252STommy Huang case 0x20: 988de2ac252STommy Huang swing1 = 0x2; 989de2ac252STommy Huang temp206 |= 6; 990de2ac252STommy Huang break; 991de2ac252STommy Huang case 0x10: 992de2ac252STommy Huang swing1 = 0x1; 993de2ac252STommy Huang temp206 |= 1; 994de2ac252STommy Huang break; 995de2ac252STommy Huang case 0x00: 996de2ac252STommy Huang swing1 = 0x0; 997de2ac252STommy Huang break; 998de2ac252STommy Huang default: 999de2ac252STommy Huang DBG(DBG_ERR, "HP_I TP 0x206 other swing1 val %x!\n", temp1); 1000de2ac252STommy Huang break; 1001de2ac252STommy Huang } 1002de2ac252STommy Huang 1003de2ac252STommy Huang if (swing0 != swing1) 1004de2ac252STommy Huang DBG(DBG_ERR, "Swing 0 / 1 diff val %x!\n", AUX_Data[0]); 1005de2ac252STommy Huang 1006de2ac252STommy Huang /* Check Pre-emphasis */ 1007de2ac252STommy Huang temp0 = (AUX_Data[0] & 0x0C); 1008de2ac252STommy Huang temp1 = (AUX_Data[0] & 0xC0); 1009de2ac252STommy Huang 1010de2ac252STommy Huang /* Check Pre-emphasis0 */ 1011de2ac252STommy Huang switch (temp0) { 1012de2ac252STommy Huang case 0x8: 1013de2ac252STommy Huang preemphasis0 = 0x2; 1014de2ac252STommy Huang temp206 |= 0x30; 1015de2ac252STommy Huang break; 1016de2ac252STommy Huang case 0x4: 1017de2ac252STommy Huang preemphasis0 = 0x1; 1018de2ac252STommy Huang temp206 |= 0x08; 1019de2ac252STommy Huang break; 1020de2ac252STommy Huang case 0x0: 1021de2ac252STommy Huang preemphasis0 = 0x0; 1022de2ac252STommy Huang break; 1023de2ac252STommy Huang default: 1024de2ac252STommy Huang DBG(DBG_ERR, "HP_I TP 0x206 other Pre-emphasis0 val %x!\n", temp0); 1025de2ac252STommy Huang break; 1026de2ac252STommy Huang } 1027de2ac252STommy Huang 1028de2ac252STommy Huang /* Check Pre-emphasis1 */ 1029de2ac252STommy Huang switch (temp1) { 1030de2ac252STommy Huang case 0x80: 1031de2ac252STommy Huang preemphasis1 = 0x2; 1032de2ac252STommy Huang temp206 |= 0x30; 1033de2ac252STommy Huang break; 1034de2ac252STommy Huang case 0x40: 1035de2ac252STommy Huang preemphasis1 = 0x1; 1036de2ac252STommy Huang temp206 |= 0x08; 1037de2ac252STommy Huang break; 1038de2ac252STommy Huang case 0x00: 1039de2ac252STommy Huang preemphasis1 = 0x0; 1040de2ac252STommy Huang break; 1041de2ac252STommy Huang default: 1042de2ac252STommy Huang DBG(DBG_ERR, "HP_I TP 0x206 other Pre-emphasis1 val %x!\n", temp1); 1043de2ac252STommy Huang break; 1044de2ac252STommy Huang } 1045de2ac252STommy Huang 1046de2ac252STommy Huang if (preemphasis0 != preemphasis1) 1047de2ac252STommy Huang DBG(DBG_ERR, "Preemphasis 0 / 1 diff val %x!\n", AUX_Data[0]); 1048de2ac252STommy Huang 1049de2ac252STommy Huang /* Judgement */ 1050de2ac252STommy Huang if (swing0 == 0x2 || swing1 == 0x2) 1051de2ac252STommy Huang Swing_Level = 0x2; 1052de2ac252STommy Huang else if (swing0 == 1 || swing1 == 0x1) 1053de2ac252STommy Huang Swing_Level = 0x1; 1054de2ac252STommy Huang else if (swing0 == 0x0 || swing1 == 0x0) 1055de2ac252STommy Huang Swing_Level = 0x0; 1056de2ac252STommy Huang 1057de2ac252STommy Huang if (preemphasis0 == 0x2 || preemphasis1 == 0x2) { 1058de2ac252STommy Huang Deemphasis_RD = DP_DEEMP_2; 1059de2ac252STommy Huang Deemphasis_Level_1 = DP_DEEMP_1; 1060de2ac252STommy Huang DBG(DBG_ERR, "!!De-type 1 P_2 !!\n"); 1061de2ac252STommy Huang } else if (preemphasis0 == 0x1 || preemphasis1 == 0x1) { 1062de2ac252STommy Huang Deemphasis_RD = DP_DEEMP_1; 1063de2ac252STommy Huang Deemphasis_Level_1 = DP_DEEMP_0; 1064de2ac252STommy Huang DBG(DBG_ERR, "!!De-type 0 P_1 !!\n"); 1065de2ac252STommy Huang } else if (preemphasis0 == 0x0 || preemphasis1 == 0x0) { 1066de2ac252STommy Huang Deemphasis_RD = DP_DEEMP_0; 1067de2ac252STommy Huang Deemphasis_Level_1 = DP_DEEMP_2; 1068de2ac252STommy Huang DBG(DBG_ERR, "!!De-type 2 P_0 !!\n"); 1069de2ac252STommy Huang } 1070de2ac252STommy Huang 1071de2ac252STommy Huang DBG(DBG_INF, "!!Swing %d / Pre-emphasis %d !!\n", swing0, preemphasis0); 1072de2ac252STommy Huang 1073de2ac252STommy Huang flag |= F_EMPHASIS_1; 1074de2ac252STommy Huang 1075de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x102, (int *)(&AUX_Data), &Length, &Status); 1076de2ac252STommy Huang DBG(DBG_A_TEST, "3.HP_I TP R 0x102 done!\n"); 1077de2ac252STommy Huang temp0 = AUX_Data[0]; 1078de2ac252STommy Huang 1079de2ac252STommy Huang Length = 2; 1080de2ac252STommy Huang AUX_R(AUX_CMD_R, 0x10b, (int *)(&AUX_Data), &Length, &Status); 1081de2ac252STommy Huang DBG(DBG_A_TEST, "4.HP_I TP R 0x10b done!\n"); 1082de2ac252STommy Huang 1083de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x10b, (int *)(&AUX_Data), &Length, &Status); 1084de2ac252STommy Huang DBG(DBG_A_TEST, "5.HP_I TP W 0x10b done!\n"); 1085de2ac252STommy Huang 1086de2ac252STommy Huang AUX_Data[0] = temp0 | 0x20; 1087de2ac252STommy Huang Length = 1; 1088de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x102, (int *)(&AUX_Data), &Length, &Status); 1089de2ac252STommy Huang DBG(DBG_A_TEST, "6.HP_I TP W 0x102 done!\n"); 1090de2ac252STommy Huang 1091de2ac252STommy Huang AUX_Data[0] = temp206; 1092de2ac252STommy Huang AUX_Data[1] = temp206; 1093de2ac252STommy Huang Length = 2; 1094de2ac252STommy Huang 1095de2ac252STommy Huang do { 1096de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x103, (int *)(&AUX_Data), &Length, &Status); 1097de2ac252STommy Huang DBG(DBG_A_TEST, "7.HP_I TP W 0x103 - 0x104 done!\n"); 1098de2ac252STommy Huang } while (Status == 0x20); 1099de2ac252STommy Huang 1100de2ac252STommy Huang DPPHYTX_Show_Cfg(); 1101de2ac252STommy Huang Apply_Main_Mesument(flag); 1102de2ac252STommy Huang 1103de2ac252STommy Huang Length = 1; 1104de2ac252STommy Huang AUX_Data[0] = 0x01; 1105de2ac252STommy Huang AUX_W(AUX_CMD_W, 0x260, (int *)(&AUX_Data), &Length, &Status); 1106de2ac252STommy Huang DBG(DBG_A_TEST, "8.HP_I TP W 0x260 done!\n"); 1107de2ac252STommy Huang 1108de2ac252STommy Huang DBG(DBG_STAGE, "Leave Apply Auto Test\n"); 1109de2ac252STommy Huang 1110de2ac252STommy Huang auto_test_phy = 0; 1111de2ac252STommy Huang } 1112de2ac252STommy Huang clear_auto_test = 0; 1113de2ac252STommy Huang } 1114de2ac252STommy Huang } 1115de2ac252STommy Huang 1116de2ac252STommy Huang /* TEST SECTION */ 1117de2ac252STommy Huang void Apply_Auto_Mesument(void) 1118de2ac252STommy Huang { 1119de2ac252STommy Huang char auto_received = 0; 1120de2ac252STommy Huang int temp = 0, wdata = 0; 1121de2ac252STommy Huang int breakcount = 0; 1122de2ac252STommy Huang 1123de2ac252STommy Huang while (1) { 1124de2ac252STommy Huang breakcount = 0; 1125de2ac252STommy Huang 1126de2ac252STommy Huang /* Wait HPD */ 1127de2ac252STommy Huang do { 1128de2ac252STommy Huang temp = (readl(DP_TX_INT_STATUS) & 0x3800); 1129de2ac252STommy Huang breakcount++; 1130de2ac252STommy Huang 1131de2ac252STommy Huang if (breakcount == 0x96000) { 1132de2ac252STommy Huang /* A simple break for esc press received */ 1133de2ac252STommy Huang break; 1134de2ac252STommy Huang } 1135de2ac252STommy Huang 1136de2ac252STommy Huang } while (!(temp & 0x3800)); 1137de2ac252STommy Huang 1138de2ac252STommy Huang if (temp) { 1139de2ac252STommy Huang /* Clear AUX write interrupt status */ 1140de2ac252STommy Huang wdata = (readl(DP_TX_INT_CLEAR) | (temp >> 8)); 1141de2ac252STommy Huang writel(wdata, DP_TX_INT_CLEAR); 1142de2ac252STommy Huang } 1143de2ac252STommy Huang 1144de2ac252STommy Huang /* Interrupt occur */ 1145de2ac252STommy Huang if (temp & 0x2800) { 1146de2ac252STommy Huang /* Initial global parameter */ 1147de2ac252STommy Huang Auto_Link_Rate = 0; 1148de2ac252STommy Huang Auto_Lane_Count = 0; 1149de2ac252STommy Huang bEn_Frame = 0; 1150de2ac252STommy Huang CR_EQ_Keep = 0; 1151de2ac252STommy Huang 1152de2ac252STommy Huang if (temp & 0x2000) { 1153de2ac252STommy Huang printf("DP HPD event is detected!\n"); 1154de2ac252STommy Huang Apply_HPD_Normal(); 1155de2ac252STommy Huang } 1156de2ac252STommy Huang 1157de2ac252STommy Huang if (temp & 0x800) { 1158de2ac252STommy Huang printf("DP HPD irq is detected!\n"); 1159de2ac252STommy Huang Apply_HPD_Auto_Test(); 1160de2ac252STommy Huang } 1161de2ac252STommy Huang } 1162de2ac252STommy Huang 1163de2ac252STommy Huang /* Leave auto test if the 'ESC' is pressed */ 1164de2ac252STommy Huang if (tstc()) { 1165de2ac252STommy Huang auto_received = getc(); 1166de2ac252STommy Huang 1167de2ac252STommy Huang /* Check the ESC key */ 1168de2ac252STommy Huang if (auto_received == 27) { 1169de2ac252STommy Huang printf("'ESC' is pressed under auto test!\n\n"); 1170de2ac252STommy Huang return; 1171de2ac252STommy Huang } 1172de2ac252STommy Huang 1173de2ac252STommy Huang printf("DP TX auto test is executed!\n"); 1174de2ac252STommy Huang } 1175de2ac252STommy Huang } 1176de2ac252STommy Huang } 1177de2ac252STommy Huang 1178de2ac252STommy Huang void Apply_Main_Mesument(int flag) 1179de2ac252STommy Huang { 1180de2ac252STommy Huang DPTX_MCU_Reset(); 1181de2ac252STommy Huang 1182de2ac252STommy Huang /* Emphasis setting */ 1183de2ac252STommy Huang if (flag & F_EMPHASIS_NULL) 1184de2ac252STommy Huang writel(PHY_Cfg_N, DP_TX_PHY_CFG); 1185de2ac252STommy Huang else if (flag & F_EMPHASIS) 1186de2ac252STommy Huang writel(PHY_Cfg, DP_TX_PHY_CFG); 1187de2ac252STommy Huang else if (flag & F_EMPHASIS_1) 1188de2ac252STommy Huang writel(PHY_Cfg_1, DP_TX_PHY_CFG); 1189de2ac252STommy Huang 1190de2ac252STommy Huang if (flag & F_RES_HIGH) 1191de2ac252STommy Huang writel(DP_TX_HIGH_SPEED, DP_TX_RES_CFG); 1192de2ac252STommy Huang else 1193de2ac252STommy Huang writel(DP_TX_NOR_SPEED, DP_TX_RES_CFG); 1194de2ac252STommy Huang 1195de2ac252STommy Huang writel(PHY_Cfg_1, DP_TX_PHY_CFG); 1196de2ac252STommy Huang 1197de2ac252STommy Huang DPPHY_Set(); 1198de2ac252STommy Huang 1199de2ac252STommy Huang if (flag & F_PAT_PRBS7) 1200de2ac252STommy Huang Set_PRBS7(); 1201de2ac252STommy Huang else if (flag & F_PAT_PLTPAT) 1202de2ac252STommy Huang Set_PLTPAT(); 1203de2ac252STommy Huang else if (flag & F_PAT_HBR2CPAT) 1204de2ac252STommy Huang Set_HBR2CPAT(); 1205de2ac252STommy Huang else if (flag & F_PAT_D10_2) 1206de2ac252STommy Huang Set_D10_1(); 1207de2ac252STommy Huang 1208*f586eef6STommy Huang /* ssc special patch */ 1209*f586eef6STommy Huang if (flag & F_PAT_D10_2) { 1210*f586eef6STommy Huang /*Apply special patch*/ 1211*f586eef6STommy Huang writel(0x00000400, DP_TX_RES_CFG); 1212*f586eef6STommy Huang TX_SSCG_Cfg |= DP_SSCG_ON; 1213*f586eef6STommy Huang } else { 1214*f586eef6STommy Huang /*Recover into original setting*/ 1215*f586eef6STommy Huang writel(0x00000000, DP_TX_RES_CFG); 1216*f586eef6STommy Huang } 1217*f586eef6STommy Huang 1218de2ac252STommy Huang writel(TX_SSCG_Cfg, DP_TX_PHY_SET); 1219de2ac252STommy Huang } 1220de2ac252STommy Huang 1221de2ac252STommy Huang void Apply_AUX_Mesument(int flag) 1222de2ac252STommy Huang { 1223de2ac252STommy Huang DPTX_MCU_Reset(); 1224de2ac252STommy Huang DPPHY_Set(); 1225de2ac252STommy Huang 1226de2ac252STommy Huang writel(0x0F000000, DP_AUX_ADDR_LEN); 1227de2ac252STommy Huang writel(0x80000010, DP_AUX_REQ_CFG); 1228de2ac252STommy Huang } 1229de2ac252STommy Huang 1230de2ac252STommy Huang /* FUNCTION SECTION */ 1231de2ac252STommy Huang /* i2c set */ 1232de2ac252STommy Huang #ifdef RE_DRIVER 1233de2ac252STommy Huang void Set_Redriver(void) 1234de2ac252STommy Huang { 1235de2ac252STommy Huang int value = 0x0; 1236de2ac252STommy Huang uchar offset = 0x0; 1237de2ac252STommy Huang uchar *set_table = &set_table0; 1238de2ac252STommy Huang 1239de2ac252STommy Huang if (Deemphasis_RD == DP_DEEMP_1) 1240de2ac252STommy Huang set_table = &set_table1; 1241de2ac252STommy Huang else if (Deemphasis_RD == DP_DEEMP_2) 1242de2ac252STommy Huang set_table = &set_table2; 1243de2ac252STommy Huang 1244de2ac252STommy Huang RD_VAL = set_table[Swing_Level]; 1245de2ac252STommy Huang 1246de2ac252STommy Huang printf("RD_VAL is 0x%x\n", RD_VAL); 1247de2ac252STommy Huang 1248de2ac252STommy Huang writel(0x600, I2C_BASE + I2C0_COUNT_O); 1249de2ac252STommy Huang value = (0x0000f0f0 | (RD_VAL << 24)); 1250de2ac252STommy Huang writel(value, I2C_BUFF); 1251de2ac252STommy Huang printf("value0 is 0x%x\n", value); 1252de2ac252STommy Huang value = (RD_VAL | (RD_VAL << 8) | (RD_VAL << 16) | (RD_VAL << 24)); 1253de2ac252STommy Huang writel(value, (I2C_BUFF + 0x4)); 1254de2ac252STommy Huang printf("value1 is 0x%x\n", value); 1255de2ac252STommy Huang writel(0x70010063, (I2C_BASE + I2C0_EXECUTE_O)); 1256de2ac252STommy Huang mdelay(1000); 1257de2ac252STommy Huang } 1258de2ac252STommy Huang 1259de2ac252STommy Huang /* i2c single initial */ 1260de2ac252STommy Huang void I2C_L_Initial(void) 1261de2ac252STommy Huang { 1262de2ac252STommy Huang I2C_BASE = (I2C0_BASE + (I2C_DEV_OFFSET * I2C_PORT)); 1263de2ac252STommy Huang I2C_BUFF = (I2C0_BUFF + (I2C_BUFF_OFFSET * I2C_PORT)); 1264de2ac252STommy Huang 1265de2ac252STommy Huang writel(0x0, I2C_BASE); 1266de2ac252STommy Huang mdelay(1); 1267de2ac252STommy Huang writel(0x28001, I2C_BASE); 1268de2ac252STommy Huang writel(0x344001, I2C_BASE + I2C0_TIMMING_O); 1269de2ac252STommy Huang writel(0xFFFFFFFF, I2C_BASE + I2C0_INT_STATUS_O); 1270de2ac252STommy Huang writel(0x0, I2C_BASE + I2C0_INT_O); 1271de2ac252STommy Huang mdelay(10); 1272de2ac252STommy Huang } 1273de2ac252STommy Huang 1274de2ac252STommy Huang /* i2c golbal iniitial */ 1275de2ac252STommy Huang void I2C_G_Initial(void) 1276de2ac252STommy Huang { 1277de2ac252STommy Huang /* i2c multi-function */ 1278de2ac252STommy Huang writel(0x0FFF3000, MP_SCU410); 1279de2ac252STommy Huang writel(0x0F00FF00, MP_SCU414); 1280de2ac252STommy Huang writel(0xCFFF001F, MP_SCU418); 1281de2ac252STommy Huang writel(0xF00000FF, MP_SCU4b0); 1282de2ac252STommy Huang writel(0xF0FF00FF, MP_SCU4b4); 1283de2ac252STommy Huang writel(0x0000FF00, MP_SCU4b8); 1284de2ac252STommy Huang 1285de2ac252STommy Huang /* I2c control */ 1286de2ac252STommy Huang writel(0x16, (I2C_GBASE + 0xC)); 1287de2ac252STommy Huang writel(0x041230C6, (I2C_GBASE + 0x10)); 1288de2ac252STommy Huang 1289de2ac252STommy Huang mdelay(1000); 1290de2ac252STommy Huang } 1291de2ac252STommy Huang #endif 1292de2ac252STommy Huang 1293de2ac252STommy Huang void DPTX_MCU_Reset(void) 1294de2ac252STommy Huang { 1295de2ac252STommy Huang /* Reset DPMCU & Release DPTX */ 1296de2ac252STommy Huang writel(0x20000000, SYS_REST); 1297de2ac252STommy Huang writel(0x10000000, SYS_REST_CLR); 1298de2ac252STommy Huang 1299de2ac252STommy Huang /* Wait for apply setting */ 1300de2ac252STommy Huang mdelay(1000); 1301de2ac252STommy Huang } 1302de2ac252STommy Huang 1303de2ac252STommy Huang void DPPHY_Set(void) 1304de2ac252STommy Huang { 1305de2ac252STommy Huang int value = 0, count = 0; 1306de2ac252STommy Huang 1307de2ac252STommy Huang /* Clear power on reset */ 1308de2ac252STommy Huang writel(0x10000000, DP_TX_PHY_SET); 1309de2ac252STommy Huang mdelay(1); 1310de2ac252STommy Huang 1311de2ac252STommy Huang /* Clear DPTX reset */ 1312de2ac252STommy Huang writel(0x11000000, DP_TX_PHY_SET); 1313de2ac252STommy Huang mdelay(1); 1314de2ac252STommy Huang 1315de2ac252STommy Huang /* Turn on Main link / Aux channel */ 1316de2ac252STommy Huang writel(0x11001100, DP_TX_PHY_SET); 1317de2ac252STommy Huang mdelay(1); 1318de2ac252STommy Huang 1319de2ac252STommy Huang while (value != DP_TX_RDY_TEST) { 1320de2ac252STommy Huang value = readl(DP_TX_PHY_SET); 1321de2ac252STommy Huang mdelay(1); 1322de2ac252STommy Huang count++; 1323de2ac252STommy Huang } 1324de2ac252STommy Huang } 1325de2ac252STommy Huang 1326de2ac252STommy Huang char DPPHYTX_Show_Cfg(void) 1327de2ac252STommy Huang { 1328de2ac252STommy Huang char SetFail = 0; 1329de2ac252STommy Huang 1330de2ac252STommy Huang PHY_Cfg = DP_PHY_INIT_CFG; 1331de2ac252STommy Huang PHY_Cfg_1 = DP_PHY_INIT_CFG; 1332de2ac252STommy Huang TX_SSCG_Cfg = DP_TX_RDY_TEST; 1333de2ac252STommy Huang 1334de2ac252STommy Huang /* Show the setting */ 1335de2ac252STommy Huang 1336de2ac252STommy Huang printf("######################################\n"); 1337de2ac252STommy Huang printf("#Current DP TX setting is shown below#\n"); 1338de2ac252STommy Huang printf("######################################\n\n"); 1339de2ac252STommy Huang 1340de2ac252STommy Huang DPPHYTX_Show_Item(Current_Item); 1341de2ac252STommy Huang 1342de2ac252STommy Huang switch (DP_Rate) { 1343de2ac252STommy Huang case DP_RATE_1_62: 1344de2ac252STommy Huang PRINT_RATE_1_62; 1345de2ac252STommy Huang break; 1346de2ac252STommy Huang 1347de2ac252STommy Huang case DP_RATE_2_70: 1348de2ac252STommy Huang PRINT_RATE_2_70; 1349de2ac252STommy Huang break; 1350de2ac252STommy Huang 1351de2ac252STommy Huang case DP_RATE_5_40: 1352de2ac252STommy Huang PRINT_RATE_5_40; 1353de2ac252STommy Huang break; 1354de2ac252STommy Huang 1355de2ac252STommy Huang default: 1356de2ac252STommy Huang PRINT_INVALID; 1357de2ac252STommy Huang printf("DP Rate\n"); 1358de2ac252STommy Huang SetFail = 1; 1359de2ac252STommy Huang break; 1360de2ac252STommy Huang } 1361de2ac252STommy Huang 1362de2ac252STommy Huang switch (Deemphasis_Show) { 1363de2ac252STommy Huang case DP_DEEMP_0: 1364de2ac252STommy Huang if (GFlag & F_SHOW_SWING) 1365de2ac252STommy Huang PRINT_SWING_0; 1366de2ac252STommy Huang else 1367de2ac252STommy Huang PRINT_EMPVAL_0; 1368de2ac252STommy Huang break; 1369de2ac252STommy Huang 1370de2ac252STommy Huang case DP_DEEMP_1: 1371de2ac252STommy Huang if (GFlag & F_SHOW_SWING) 1372de2ac252STommy Huang PRINT_SWING_1; 1373de2ac252STommy Huang else 1374de2ac252STommy Huang PRINT_EMPVAL_1; 1375de2ac252STommy Huang break; 1376de2ac252STommy Huang 1377de2ac252STommy Huang case DP_DEEMP_2: 1378de2ac252STommy Huang if (GFlag & F_SHOW_SWING) 1379de2ac252STommy Huang PRINT_SWING_2; 1380de2ac252STommy Huang else 1381de2ac252STommy Huang PRINT_EMPVAL_2; 1382de2ac252STommy Huang break; 1383de2ac252STommy Huang 1384de2ac252STommy Huang default: 1385de2ac252STommy Huang PRINT_INVALID; 1386de2ac252STommy Huang printf("Deemphasis Level\n"); 1387de2ac252STommy Huang SetFail = 1; 1388de2ac252STommy Huang break; 1389de2ac252STommy Huang } 1390de2ac252STommy Huang 1391de2ac252STommy Huang switch (Swing_Level) { 1392de2ac252STommy Huang case 0: 1393de2ac252STommy Huang PRINT_SWING_0; 1394de2ac252STommy Huang break; 1395de2ac252STommy Huang 1396de2ac252STommy Huang case 1: 1397de2ac252STommy Huang PRINT_SWING_1; 1398de2ac252STommy Huang break; 1399de2ac252STommy Huang 1400de2ac252STommy Huang case 2: 1401de2ac252STommy Huang PRINT_SWING_2; 1402de2ac252STommy Huang break; 1403de2ac252STommy Huang 1404de2ac252STommy Huang default: 1405de2ac252STommy Huang PRINT_INVALID; 1406de2ac252STommy Huang printf("Swing Level\n"); 1407de2ac252STommy Huang SetFail = 1; 1408de2ac252STommy Huang break; 1409de2ac252STommy Huang } 1410de2ac252STommy Huang 1411de2ac252STommy Huang PHY_Cfg = DP_PHY_INIT_CFG | (DP_Rate | Deemphasis_Level); 1412de2ac252STommy Huang PHY_Cfg_1 = DP_PHY_INIT_CFG | (DP_Rate | Deemphasis_Level_1); 1413de2ac252STommy Huang PHY_Cfg_N = DP_PHY_INIT_CFG | (DP_Rate | DP_DEEMP_2); 1414de2ac252STommy Huang 1415de2ac252STommy Huang switch (SSCG) { 1416de2ac252STommy Huang case DP_SSCG_ON: 1417*f586eef6STommy Huang /*PRINT_SSCG_ON;*/ 1418de2ac252STommy Huang break; 1419de2ac252STommy Huang 1420de2ac252STommy Huang case DP_SSCG_OFF: 1421*f586eef6STommy Huang /*PRINT_SSCG_OFF;*/ 1422de2ac252STommy Huang break; 1423de2ac252STommy Huang 1424de2ac252STommy Huang default: 1425de2ac252STommy Huang PRINT_INVALID; 1426de2ac252STommy Huang printf("SSCG\n"); 1427de2ac252STommy Huang SetFail = 1; 1428de2ac252STommy Huang break; 1429de2ac252STommy Huang } 1430*f586eef6STommy Huang /* TX_SSCG_Cfg |= SSCG; */ 1431*f586eef6STommy Huang TX_SSCG_Cfg |= DP_SSCG_ON; 1432de2ac252STommy Huang 1433de2ac252STommy Huang printf("\n"); 1434de2ac252STommy Huang 1435de2ac252STommy Huang return SetFail; 1436de2ac252STommy Huang } 1437de2ac252STommy Huang 1438de2ac252STommy Huang void DPPHYTX_Show_Item(char received) 1439de2ac252STommy Huang { 1440de2ac252STommy Huang switch (received) { 1441de2ac252STommy Huang case 'a': 1442de2ac252STommy Huang PRINT_ITEM_A; 1443de2ac252STommy Huang break; 1444de2ac252STommy Huang 1445de2ac252STommy Huang case 'b': 1446de2ac252STommy Huang PRINT_ITEM_B; 1447de2ac252STommy Huang break; 1448de2ac252STommy Huang 1449de2ac252STommy Huang case 'c': 1450de2ac252STommy Huang PRINT_ITEM_C; 1451de2ac252STommy Huang break; 1452de2ac252STommy Huang 1453de2ac252STommy Huang case 'd': 1454de2ac252STommy Huang PRINT_ITEM_D; 1455de2ac252STommy Huang break; 1456de2ac252STommy Huang 1457de2ac252STommy Huang case 'e': 1458de2ac252STommy Huang PRINT_ITEM_E; 1459de2ac252STommy Huang break; 1460de2ac252STommy Huang 1461de2ac252STommy Huang case 'f': 1462de2ac252STommy Huang PRINT_ITEM_F; 1463de2ac252STommy Huang break; 1464de2ac252STommy Huang 1465de2ac252STommy Huang case 'g': 1466de2ac252STommy Huang PRINT_ITEM_G; 1467de2ac252STommy Huang break; 1468de2ac252STommy Huang 1469de2ac252STommy Huang case 'h': 1470de2ac252STommy Huang PRINT_ITEM_H; 1471de2ac252STommy Huang break; 1472de2ac252STommy Huang 1473de2ac252STommy Huang case 'i': 1474de2ac252STommy Huang PRINT_ITEM_I; 1475de2ac252STommy Huang break; 1476de2ac252STommy Huang 1477de2ac252STommy Huang case 'j': 1478de2ac252STommy Huang PRINT_ITEM_J; 1479de2ac252STommy Huang break; 1480de2ac252STommy Huang 1481de2ac252STommy Huang case 'x': 1482de2ac252STommy Huang PRINT_ITEM_X; 1483de2ac252STommy Huang break; 1484de2ac252STommy Huang 1485de2ac252STommy Huang default: 1486de2ac252STommy Huang break; 1487de2ac252STommy Huang } 1488de2ac252STommy Huang 1489de2ac252STommy Huang printf("\n"); 1490de2ac252STommy Huang } 1491de2ac252STommy Huang 1492de2ac252STommy Huang void Set_PRBS7(void) 1493de2ac252STommy Huang { 1494de2ac252STommy Huang writel(DP_TX_MAIN_NOR, DP_TX_MAIN_SET); 1495de2ac252STommy Huang writel((DP_PY_PAT | DP_PY_PAT_PRB7), DP_TX_PHY_PAT); 1496de2ac252STommy Huang } 1497de2ac252STommy Huang 1498de2ac252STommy Huang void Set_HBR2CPAT(void) 1499de2ac252STommy Huang { 1500de2ac252STommy Huang int value = 0, count = 0; 1501de2ac252STommy Huang 1502de2ac252STommy Huang writel(DP_TX_MAIN_ADV, DP_TX_MAIN_SET); 1503de2ac252STommy Huang 1504de2ac252STommy Huang writel(DP_TX_PAT_HBR2, DP_TX_MAIN_PAT); 1505de2ac252STommy Huang writel((DP_PY_PAT | DP_PY_PAT_SCRB), DP_TX_PHY_PAT); 1506de2ac252STommy Huang 1507de2ac252STommy Huang writel(DP_TX_MAIN_TRA, DP_TX_MAIN_CFG); 1508de2ac252STommy Huang mdelay(1); 1509de2ac252STommy Huang 1510de2ac252STommy Huang while (value != DP_TX_RDY_25201) { 1511de2ac252STommy Huang value = (readl(DP_TX_MAIN_CFG) & 0xFFF); 1512de2ac252STommy Huang mdelay(1); 1513de2ac252STommy Huang count++; 1514de2ac252STommy Huang } 1515de2ac252STommy Huang 1516de2ac252STommy Huang /* Reset for signal apply */ 1517de2ac252STommy Huang writel((DP_TX_MAIN_ADV | DP_TX_PY_RESET), DP_TX_MAIN_SET); 1518de2ac252STommy Huang } 1519de2ac252STommy Huang 1520de2ac252STommy Huang void Set_PLTPAT(void) 1521de2ac252STommy Huang { 1522de2ac252STommy Huang writel(DP_TX_MAIN_NOR, DP_TX_MAIN_SET); 1523de2ac252STommy Huang 1524de2ac252STommy Huang writel(DP_TX_PLTPAT_0, DP_TX_CUS_PAT_0); 1525de2ac252STommy Huang writel(DP_TX_PLTPAT_1, DP_TX_CUS_PAT_1); 1526de2ac252STommy Huang writel(DP_TX_PLTPAT_2, DP_TX_CUS_PAT_2); 1527de2ac252STommy Huang 1528de2ac252STommy Huang writel((DP_PY_PAT | DP_PY_PAT_CUS), DP_TX_PHY_PAT); 1529de2ac252STommy Huang } 1530de2ac252STommy Huang 1531de2ac252STommy Huang void Set_D10_1(void) 1532de2ac252STommy Huang { 1533de2ac252STommy Huang writel(DP_TX_MAIN_NOR, DP_TX_MAIN_SET); 1534de2ac252STommy Huang 1535de2ac252STommy Huang writel(DP_TX_PAT_TPS1, DP_TX_MAIN_PAT); 1536de2ac252STommy Huang writel(DP_PY_PAT, DP_TX_PHY_PAT); 1537de2ac252STommy Huang } 1538de2ac252STommy Huang 1539de2ac252STommy Huang uchar AUX_R(int aux_cmd, int aux_addr, int *aux_r_data, uchar *length, uchar *status) 1540de2ac252STommy Huang { 1541de2ac252STommy Huang int wdata = 0, temp = 0; 1542de2ac252STommy Huang uchar len = *length; 1543de2ac252STommy Huang 1544de2ac252STommy Huang /* Check valid length */ 1545de2ac252STommy Huang if (len >= 1) 1546de2ac252STommy Huang len -= 1; 1547de2ac252STommy Huang else 1548de2ac252STommy Huang return 1; 1549de2ac252STommy Huang 1550de2ac252STommy Huang /* Prepare AUX write address and data */ 1551de2ac252STommy Huang wdata = (int)((len << 24) | aux_addr); 1552de2ac252STommy Huang writel(wdata, DP_AUX_ADDR_LEN); 1553de2ac252STommy Huang 1554de2ac252STommy Huang DBG(DBG_AUX_R, "AUX Read on 0x%x with %d bytes.\n", aux_addr, *length); 1555de2ac252STommy Huang 1556de2ac252STommy Huang /* Fire AUX read */ 1557de2ac252STommy Huang writel(aux_cmd, DP_AUX_REQ_CFG); 1558de2ac252STommy Huang 1559de2ac252STommy Huang /* Wait AUX read finish or timeout */ 1560de2ac252STommy Huang do { 1561de2ac252STommy Huang temp = (readl(DP_TX_INT_STATUS) & 0xC000); 1562de2ac252STommy Huang } while (!(temp & 0xC000)); 1563de2ac252STommy Huang 1564de2ac252STommy Huang /* Clear AUX write interrupt status */ 1565de2ac252STommy Huang wdata = (readl(DP_TX_INT_CLEAR) | (temp >> 8)); 1566de2ac252STommy Huang writel(wdata, DP_TX_INT_CLEAR); 1567de2ac252STommy Huang 1568de2ac252STommy Huang if (temp & AUX_CMD_DONE) { 1569de2ac252STommy Huang /* Read back data count */ 1570de2ac252STommy Huang *aux_r_data = readl(DP_AUX_R_D_0); 1571de2ac252STommy Huang 1572de2ac252STommy Huang DBG(DBG_AUX_R, "Data on 0x0 is 0x%x.\n", *aux_r_data); 1573de2ac252STommy Huang 1574de2ac252STommy Huang if ((*length) > 0x4) { 1575de2ac252STommy Huang aux_r_data++; 1576de2ac252STommy Huang *aux_r_data = readl(DP_AUX_R_D_4); 1577de2ac252STommy Huang DBG(DBG_AUX_R, "Data on 0x4 is 0x%x.\n", *aux_r_data); 1578de2ac252STommy Huang } 1579de2ac252STommy Huang 1580de2ac252STommy Huang if ((*length) > 0x8) { 1581de2ac252STommy Huang aux_r_data++; 1582de2ac252STommy Huang *aux_r_data = readl(DP_AUX_R_D_8); 1583de2ac252STommy Huang DBG(DBG_AUX_R, "Data on 0x8 is 0x%x.\n", *aux_r_data); 1584de2ac252STommy Huang } 1585de2ac252STommy Huang 1586de2ac252STommy Huang if ((*length) > 0xC) { 1587de2ac252STommy Huang aux_r_data++; 1588de2ac252STommy Huang *aux_r_data = readl(DP_AUX_R_D_C); 1589de2ac252STommy Huang DBG(DBG_AUX_R, "Data on 0xC is 0x%x.\n", *aux_r_data); 1590de2ac252STommy Huang } 1591de2ac252STommy Huang 1592de2ac252STommy Huang (*status) = (uchar)(readl(DP_AUX_STATUS) & 0xFF); 1593de2ac252STommy Huang return 0; 1594de2ac252STommy Huang } else { 1595de2ac252STommy Huang return 1; 1596de2ac252STommy Huang } 1597de2ac252STommy Huang } 1598de2ac252STommy Huang 1599de2ac252STommy Huang uchar AUX_W(int aux_cmd, int aux_addr, int *aux_w_data, uchar *length, uchar *status) 1600de2ac252STommy Huang { 1601de2ac252STommy Huang int wdata = 0, temp = 0; 1602de2ac252STommy Huang uchar len = *length; 1603de2ac252STommy Huang 1604de2ac252STommy Huang /* Check valid length */ 1605de2ac252STommy Huang if (len >= 1) 1606de2ac252STommy Huang len -= 1; 1607de2ac252STommy Huang else 1608de2ac252STommy Huang return 1; 1609de2ac252STommy Huang 1610de2ac252STommy Huang /* Prepare AUX write address and data */ 1611de2ac252STommy Huang wdata = (int)((len << 24) | aux_addr); 1612de2ac252STommy Huang writel(wdata, DP_AUX_ADDR_LEN); 1613de2ac252STommy Huang 1614de2ac252STommy Huang writel(*aux_w_data, DP_AUX_W_D_0); 1615de2ac252STommy Huang 1616de2ac252STommy Huang if ((*length) > 0x4) { 1617de2ac252STommy Huang aux_w_data++; 1618de2ac252STommy Huang writel(*aux_w_data, DP_AUX_W_D_4); 1619de2ac252STommy Huang } 1620de2ac252STommy Huang 1621de2ac252STommy Huang if ((*length) > 0x8) { 1622de2ac252STommy Huang aux_w_data++; 1623de2ac252STommy Huang writel(*aux_w_data, DP_AUX_W_D_8); 1624de2ac252STommy Huang } 1625de2ac252STommy Huang 1626de2ac252STommy Huang if ((*length) > 0xC) { 1627de2ac252STommy Huang aux_w_data++; 1628de2ac252STommy Huang writel(*aux_w_data, DP_AUX_W_D_C); 1629de2ac252STommy Huang } 1630de2ac252STommy Huang 1631de2ac252STommy Huang /* Fire AUX write */ 1632de2ac252STommy Huang writel(aux_cmd, DP_AUX_REQ_CFG); 1633de2ac252STommy Huang 1634de2ac252STommy Huang /* Wait AUX write finish or timeout */ 1635de2ac252STommy Huang do { 1636de2ac252STommy Huang temp = (readl(DP_TX_INT_STATUS) & 0xC000); 1637de2ac252STommy Huang } while (!(temp & 0xC000)); 1638de2ac252STommy Huang 1639de2ac252STommy Huang /* Clear AUX write interrupt status */ 1640de2ac252STommy Huang wdata = (readl(DP_TX_INT_CLEAR) | (temp >> 8)); 1641de2ac252STommy Huang writel(wdata, DP_TX_INT_CLEAR); 1642de2ac252STommy Huang 1643de2ac252STommy Huang if (temp & AUX_CMD_DONE) { 1644de2ac252STommy Huang (*status) = (uchar)(readl(DP_AUX_STATUS) & 0xFF); 1645de2ac252STommy Huang return 0; 1646de2ac252STommy Huang } else { 1647de2ac252STommy Huang return 1; 1648de2ac252STommy Huang } 1649de2ac252STommy Huang } 1650de2ac252STommy Huang 1651de2ac252STommy Huang U_BOOT_CMD(dptest, 2, 0, do_ast_dptest, "ASPEED Display Port phy test", "ASPEED DP test v.0.2.9"); 1652