uboot/drivers/video/mpc8xx_lcd.c
<<
>>
Prefs
   1/*
   2 * (C) Copyright 2001-2002
   3 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8/************************************************************************/
   9/* ** HEADER FILES                                                      */
  10/************************************************************************/
  11
  12/* #define DEBUG */
  13
  14#include <config.h>
  15#include <common.h>
  16#include <command.h>
  17#include <watchdog.h>
  18#include <stdarg.h>
  19#include <lcdvideo.h>
  20#include <linux/types.h>
  21#include <stdio_dev.h>
  22#if defined(CONFIG_POST)
  23#include <post.h>
  24#endif
  25#include <lcd.h>
  26
  27#ifdef CONFIG_LCD
  28
  29/************************************************************************/
  30/* ** CONFIG STUFF -- should be moved to board config file              */
  31/************************************************************************/
  32#ifndef CONFIG_LCD_INFO
  33#define CONFIG_LCD_INFO         /* Display Logo, (C) and system info    */
  34#endif
  35
  36/*----------------------------------------------------------------------*/
  37#ifdef CONFIG_KYOCERA_KCS057QV1AJ
  38/*
  39 *  Kyocera KCS057QV1AJ-G23. Passive, color, single scan.
  40 */
  41#define LCD_BPP LCD_COLOR4
  42
  43vidinfo_t panel_info = {
  44    640, 480, 132, 99, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH,
  45    LCD_BPP, 1, 0, 1, 0,  5, 0, 0, 0
  46                /* wbl, vpw, lcdac, wbf */
  47};
  48#endif /* CONFIG_KYOCERA_KCS057QV1AJ */
  49/*----------------------------------------------------------------------*/
  50
  51/*----------------------------------------------------------------------*/
  52#ifdef CONFIG_HITACHI_SP19X001_Z1A
  53/*
  54 *  Hitachi SP19X001-. Active, color, single scan.
  55 */
  56vidinfo_t panel_info = {
  57    640, 480, 154, 116, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH,
  58    LCD_COLOR8, 1, 0, 1, 0, 0, 0, 0, 0
  59                /* wbl, vpw, lcdac, wbf */
  60};
  61#endif /* CONFIG_HITACHI_SP19X001_Z1A */
  62/*----------------------------------------------------------------------*/
  63
  64/*----------------------------------------------------------------------*/
  65#ifdef CONFIG_NEC_NL6448AC33
  66/*
  67 *  NEC NL6448AC33-18. Active, color, single scan.
  68 */
  69vidinfo_t panel_info = {
  70    640, 480, 132, 99, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
  71    3, 0, 0, 1, 1, 144, 2, 0, 33
  72                /* wbl, vpw, lcdac, wbf */
  73};
  74#endif /* CONFIG_NEC_NL6448AC33 */
  75/*----------------------------------------------------------------------*/
  76
  77#ifdef CONFIG_NEC_NL6448BC20
  78/*
  79 *  NEC NL6448BC20-08.  6.5", 640x480. Active, color, single scan.
  80 */
  81vidinfo_t panel_info = {
  82    640, 480, 132, 99, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
  83    3, 0, 0, 1, 1, 144, 2, 0, 33
  84                /* wbl, vpw, lcdac, wbf */
  85};
  86#endif /* CONFIG_NEC_NL6448BC20 */
  87/*----------------------------------------------------------------------*/
  88
  89#ifdef CONFIG_NEC_NL6448BC33_54
  90/*
  91 *  NEC NL6448BC33-54. 10.4", 640x480. Active, color, single scan.
  92 */
  93vidinfo_t panel_info = {
  94    640, 480, 212, 158, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
  95    3, 0, 0, 1, 1, 144, 2, 0, 33
  96                /* wbl, vpw, lcdac, wbf */
  97};
  98#endif /* CONFIG_NEC_NL6448BC33_54 */
  99/*----------------------------------------------------------------------*/
 100
 101#ifdef CONFIG_SHARP_LQ104V7DS01
 102/*
 103 *  SHARP LQ104V7DS01. 6.5", 640x480. Active, color, single scan.
 104 */
 105vidinfo_t panel_info = {
 106    640, 480, 132, 99, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_LOW,
 107    3, 0, 0, 1, 1, 25, 1, 0, 33
 108                /* wbl, vpw, lcdac, wbf */
 109};
 110#endif /* CONFIG_SHARP_LQ104V7DS01 */
 111/*----------------------------------------------------------------------*/
 112
 113#ifdef CONFIG_SHARP_16x9
 114/*
 115 * Sharp 320x240. Active, color, single scan.  It isn't 16x9, and I am
 116 * not sure what it is.......
 117 */
 118vidinfo_t panel_info = {
 119    320, 240, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH,
 120    3, 0, 0, 1, 1, 15, 4, 0, 3
 121};
 122#endif /* CONFIG_SHARP_16x9 */
 123/*----------------------------------------------------------------------*/
 124
 125#ifdef CONFIG_SHARP_LQ057Q3DC02
 126/*
 127 * Sharp LQ057Q3DC02 display. Active, color, single scan.
 128 */
 129#undef LCD_DF
 130#define LCD_DF 12
 131
 132vidinfo_t panel_info = {
 133    320, 240, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
 134    3, 0, 0, 1, 1, 15, 4, 0, 3
 135                /* wbl, vpw, lcdac, wbf */
 136};
 137#define CONFIG_LCD_INFO_BELOW_LOGO
 138#endif /* CONFIG_SHARP_LQ057Q3DC02 */
 139/*----------------------------------------------------------------------*/
 140
 141#ifdef CONFIG_SHARP_LQ64D341
 142/*
 143 * Sharp LQ64D341 display, 640x480. Active, color, single scan.
 144 */
 145vidinfo_t panel_info = {
 146    640, 480, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
 147    3, 0, 0, 1, 1, 128, 16, 0, 32
 148                /* wbl, vpw, lcdac, wbf */
 149};
 150#endif /* CONFIG_SHARP_LQ64D341 */
 151
 152#ifdef CONFIG_SHARP_LQ065T9DR51U
 153/*
 154 * Sharp LQ065T9DR51U display, 400x240. Active, color, single scan.
 155 */
 156vidinfo_t panel_info = {
 157    400, 240, 143, 79, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH,
 158    3, 0, 0, 1, 1, 248, 4, 0, 35
 159                /* wbl, vpw, lcdac, wbf */
 160};
 161#define CONFIG_LCD_INFO_BELOW_LOGO
 162#endif /* CONFIG_SHARP_LQ065T9DR51U */
 163
 164#ifdef CONFIG_SHARP_LQ084V1DG21
 165/*
 166 * Sharp LQ084V1DG21 display, 640x480. Active, color, single scan.
 167 */
 168vidinfo_t panel_info = {
 169    640, 480, 171, 129, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_LOW,
 170    3, 0, 0, 1, 1, 160, 3, 0, 48
 171                /* wbl, vpw, lcdac, wbf */
 172};
 173#endif /* CONFIG_SHARP_LQ084V1DG21 */
 174
 175/*----------------------------------------------------------------------*/
 176
 177#ifdef CONFIG_HLD1045
 178/*
 179 * HLD1045 display, 640x480. Active, color, single scan.
 180 */
 181vidinfo_t panel_info = {
 182    640, 480, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
 183    3, 0, 0, 1, 1, 160, 3, 0, 48
 184                /* wbl, vpw, lcdac, wbf */
 185};
 186#endif /* CONFIG_HLD1045 */
 187/*----------------------------------------------------------------------*/
 188
 189#ifdef CONFIG_PRIMEVIEW_V16C6448AC
 190/*
 191 * Prime View V16C6448AC
 192 */
 193vidinfo_t panel_info = {
 194    640, 480, 130, 98, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW, CONFIG_SYS_LOW, CONFIG_SYS_HIGH,
 195    3, 0, 0, 1, 1, 144, 2, 0, 35
 196                /* wbl, vpw, lcdac, wbf */
 197};
 198#endif /* CONFIG_PRIMEVIEW_V16C6448AC */
 199
 200/*----------------------------------------------------------------------*/
 201
 202#ifdef CONFIG_OPTREX_BW
 203/*
 204 * Optrex   CBL50840-2 NF-FW 99 22 M5
 205 * or
 206 * Hitachi  LMG6912RPFC-00T
 207 * or
 208 * Hitachi  SP14Q002
 209 *
 210 * 320x240. Black & white.
 211 */
 212#define OPTREX_BPP      0       /* 0 - monochrome,     1 bpp */
 213                                /* 1 -  4 grey levels, 2 bpp */
 214                                /* 2 - 16 grey levels, 4 bpp */
 215vidinfo_t panel_info = {
 216    320, 240, 0, 0, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_HIGH, CONFIG_SYS_LOW,
 217    OPTREX_BPP, 0, 0, 0, 0, 0, 0, 0, 0, 4
 218};
 219#endif /* CONFIG_OPTREX_BW */
 220
 221/************************************************************************/
 222/* ----------------- chipset specific functions ----------------------- */
 223/************************************************************************/
 224
 225/*
 226 * Calculate fb size for VIDEOLFB_ATAG.
 227 */
 228ulong calc_fbsize (void)
 229{
 230        ulong size;
 231        int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
 232
 233        size = line_length * panel_info.vl_row;
 234
 235        return size;
 236}
 237
 238void lcd_ctrl_init (void *lcdbase)
 239{
 240        volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 241        volatile lcd823_t *lcdp = &immr->im_lcd;
 242
 243        uint lccrtmp;
 244        uint lchcr_hpc_tmp;
 245
 246        /* Initialize the LCD control register according to the LCD
 247         * parameters defined.  We do everything here but enable
 248         * the controller.
 249         */
 250
 251        lccrtmp  = LCDBIT (LCCR_BNUM_BIT,
 252                   (((panel_info.vl_row * panel_info.vl_col) * (1 << LCD_BPP)) / 128));
 253
 254        lccrtmp |= LCDBIT (LCCR_CLKP_BIT, panel_info.vl_clkp)   |
 255                   LCDBIT (LCCR_OEP_BIT,  panel_info.vl_oep)    |
 256                   LCDBIT (LCCR_HSP_BIT,  panel_info.vl_hsp)    |
 257                   LCDBIT (LCCR_VSP_BIT,  panel_info.vl_vsp)    |
 258                   LCDBIT (LCCR_DP_BIT,   panel_info.vl_dp)     |
 259                   LCDBIT (LCCR_BPIX_BIT, panel_info.vl_bpix)   |
 260                   LCDBIT (LCCR_LBW_BIT,  panel_info.vl_lbw)    |
 261                   LCDBIT (LCCR_SPLT_BIT, panel_info.vl_splt)   |
 262                   LCDBIT (LCCR_CLOR_BIT, panel_info.vl_clor)   |
 263                   LCDBIT (LCCR_TFT_BIT,  panel_info.vl_tft);
 264
 265#if 0
 266        lccrtmp |= ((SIU_LEVEL5 / 2) << 12);
 267        lccrtmp |= LCCR_EIEN;
 268#endif
 269
 270        lcdp->lcd_lccr = lccrtmp;
 271        lcdp->lcd_lcsr = 0xFF;          /* Clear pending interrupts */
 272
 273        /* Initialize LCD controller bus priorities.
 274         */
 275        immr->im_siu_conf.sc_sdcr &= ~0x0f;     /* RAID = LAID = 0 */
 276
 277        /* set SHFT/CLOCK division factor 4
 278         * This needs to be set based upon display type and processor
 279         * speed.  The TFT displays run about 20 to 30 MHz.
 280         * I was running 64 MHz processor speed.
 281         * The value for this divider must be chosen so the result is
 282         * an integer of the processor speed (i.e., divide by 3 with
 283         * 64 MHz would be bad).
 284         */
 285        immr->im_clkrst.car_sccr &= ~0x1F;
 286        immr->im_clkrst.car_sccr |= LCD_DF;     /* was 8 */
 287
 288        /* Enable LCD on port D.
 289         */
 290        immr->im_ioport.iop_pdpar |= 0x1FFF;
 291        immr->im_ioport.iop_pddir |= 0x1FFF;
 292
 293        /* Enable LCD_A/B/C on port B.
 294         */
 295        immr->im_cpm.cp_pbpar |= 0x00005001;
 296        immr->im_cpm.cp_pbdir |= 0x00005001;
 297
 298        /* Load the physical address of the linear frame buffer
 299         * into the LCD controller.
 300         * BIG NOTE:  This has to be modified to load A and B depending
 301         * upon the split mode of the LCD.
 302         */
 303        lcdp->lcd_lcfaa = (ulong)lcdbase;
 304        lcdp->lcd_lcfba = (ulong)lcdbase;
 305
 306        /* MORE HACKS...This must be updated according to 823 manual
 307         * for different panels.
 308         * Udi Finkelstein - done - see below:
 309         * Note: You better not try unsupported combinations such as
 310         * 4-bit wide passive dual scan LCD at 4/8 Bit color.
 311         */
 312        lchcr_hpc_tmp =
 313                (panel_info.vl_col *
 314                 (panel_info.vl_tft ? 8 :
 315                        (((2 - panel_info.vl_lbw) << /* 4 bit=2, 8-bit = 1 */
 316                         /* use << to mult by: single scan = 1, dual scan = 2 */
 317                          panel_info.vl_splt) *
 318                         (panel_info.vl_bpix | 1)))) >> 3; /* 2/4 BPP = 1, 8/16 BPP = 3 */
 319
 320        lcdp->lcd_lchcr = LCHCR_BO |
 321                          LCDBIT (LCHCR_AT_BIT, 4) |
 322                          LCDBIT (LCHCR_HPC_BIT, lchcr_hpc_tmp) |
 323                          panel_info.vl_wbl;
 324
 325        lcdp->lcd_lcvcr = LCDBIT (LCVCR_VPW_BIT, panel_info.vl_vpw) |
 326                          LCDBIT (LCVCR_LCD_AC_BIT, panel_info.vl_lcdac) |
 327                          LCDBIT (LCVCR_VPC_BIT, panel_info.vl_row) |
 328                          panel_info.vl_wbf;
 329
 330}
 331
 332/*----------------------------------------------------------------------*/
 333
 334#if LCD_BPP == LCD_COLOR8
 335void
 336lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
 337{
 338        volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 339        volatile cpm8xx_t *cp = &(immr->im_cpm);
 340        unsigned short colreg, *cmap_ptr;
 341
 342        cmap_ptr = (unsigned short *)&cp->lcd_cmap[regno * 2];
 343
 344        colreg = ((red   & 0x0F) << 8) |
 345                 ((green & 0x0F) << 4) |
 346                  (blue  & 0x0F) ;
 347
 348        *cmap_ptr = colreg;
 349
 350        debug ("setcolreg: reg %2d @ %p: R=%02X G=%02X B=%02X => %02X%02X\n",
 351                regno, &(cp->lcd_cmap[regno * 2]),
 352                red, green, blue,
 353                cp->lcd_cmap[ regno * 2 ], cp->lcd_cmap[(regno * 2) + 1]);
 354}
 355#endif  /* LCD_COLOR8 */
 356
 357/*----------------------------------------------------------------------*/
 358
 359ushort *configuration_get_cmap(void)
 360{
 361        immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
 362        cpm8xx_t *cp = &(immr->im_cpm);
 363        return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
 364}
 365
 366#if defined(CONFIG_MPC823)
 367void fb_put_byte(uchar **fb, uchar **from)
 368{
 369        *(*fb)++ = (255 - *(*from)++);
 370}
 371#endif
 372
 373#ifdef CONFIG_LCD_LOGO
 374#include <bmp_logo.h>
 375void lcd_logo_set_cmap(void)
 376{
 377        int i;
 378        ushort *cmap;
 379        immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
 380        cpm8xx_t *cp = &(immr->im_cpm);
 381        cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]);
 382
 383        for (i = 0; i < BMP_LOGO_COLORS; ++i)
 384                *cmap++ = bmp_logo_palette[i];
 385}
 386#endif
 387
 388void lcd_enable (void)
 389{
 390        volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
 391        volatile lcd823_t *lcdp = &immr->im_lcd;
 392
 393        /* Enable the LCD panel */
 394        immr->im_siu_conf.sc_sdcr |= (1 << (31 - 25));          /* LAM = 1 */
 395        lcdp->lcd_lccr |= LCCR_PON;
 396}
 397
 398/************************************************************************/
 399
 400#endif /* CONFIG_LCD */
 401