static int kgm803a0_panel_reset(void)
{
int err;
err = gpio_request(102, "gpio_panel_reset");
if (err)
{
printk(KERN_ERR "gpio_request failed for 102\n");
return -1;
}
err = gpio_configure(102, GPIOF_DRIVE_OUTPUT | GPIOF_OUTPUT_HIGH);
if (err)
{
printk(KERN_ERR "gpio_config failed for 102 HIGH\n");
return -1;
}
WAIT_USEC(5);
err = gpio_configure(102, GPIOF_DRIVE_OUTPUT | GPIOF_OUTPUT_LOW);
if (err)
{
printk(KERN_ERR "gpio_config failed for 102 LOW\n");
return -1;
}
WAIT_SEC(10000);
err = gpio_configure(102, GPIOF_DRIVE_OUTPUT | GPIOF_OUTPUT_HIGH);
if (err)
{
printk(KERN_ERR "gpio_config failed for 102\n");
return -1;
}
WAIT_SEC(10000);
}
static void epsonQcif_disp_set_display_area(word start_row, word end_row)
{
if (!disp_initialized)
return;
if ((start_row == disp_area_start_row)
&& (end_row == disp_area_end_row))
return;
disp_area_start_row = start_row;
disp_area_end_row = end_row;
/* Range checking
*/
if (end_row >= QCIF_HEIGHT)
end_row = QCIF_HEIGHT - 1;
if (start_row > end_row)
start_row = end_row;
/* When display is not the full screen, gray scale is set to
** 2; otherwise it is set to 64.
*/
if ((start_row == 0) && (end_row == (QCIF_HEIGHT - 1))) {
/* The whole screen */
DISP_CMD_OUT(DISP_CMD_PTLOUT);
WAIT_SEC(10000);
DISP_CMD_OUT(DISP_CMD_DISOFF);
WAIT_SEC(100000);
DISP_CMD_OUT(DISP_CMD_GSSET);
DISP_DATA_OUT(DISP_GS_64);
WAIT_SEC(100000);
DISP_CMD_OUT(DISP_CMD_DISON);
} else {
/* partial screen */
DISP_CMD_OUT(DISP_CMD_PTLIN);
DISP_DATA_OUT(start_row);
DISP_DATA_OUT(start_row >> 8);
DISP_DATA_OUT(end_row);
DISP_DATA_OUT(end_row >> 8);
DISP_CMD_OUT(DISP_CMD_GSSET);
DISP_DATA_OUT(DISP_GS_2);
}
}
static int kgm803a0_disp_off(struct platform_device *pdev)
{
if (!disp_initialized)
return -EFAULT;
if (display_on)
{
DISP_WRITE_OUT(0x0007,0x0000);
WAIT_SEC(50000);
DISP_WRITE_OUT(0x0010,0x0004);
display_on = FALSE;
}
return 0;
}
static int epsonQcif_disp_on(struct platform_device *pdev)
{
if (!disp_initialized)
epsonQcif_disp_init(pdev);
if (!display_on) {
DISP_CMD_OUT(DISP_CMD_SLPOUT);
WAIT_SEC(40000);
DISP_CMD_OUT(DISP_CMD_DISON);
epsonQcif_disp_set_contrast(disp_contrast);
display_on = TRUE;
}
return 0;
}
static void epsonQcif_disp_set_contrast(word contrast)
{
if (!disp_initialized)
return;
/* Initialize power IC, d'24 */
DISP_CMD_OUT(DISP_CMD_VOLCTL);
DISP_DATA_OUT(DISP_VOLCTL_TONE);
WAIT_SEC(40000);
/* Set electronic volume, d'xx */
DISP_CMD_OUT(DISP_CMD_VOLCTL);
if (contrast > 127)
contrast = 127;
DISP_DATA_OUT(contrast); /* value from 0 to 127 */
disp_contrast = (byte) contrast;
} /* End disp_set_contrast */
static int kgm803a0_disp_on(struct platform_device *pdev)
{
struct msm_fb_data_type *mfd;
if (disp_initialized)
return 0;
kgm803a0_panel_reset();/*lcd panel reset*/
kgm803a0_set_backlight(TRUE);/*´ò¿ª±³¹â*/
mfd = platform_get_drvdata(pdev);
DISP_CMD_PORT = mfd->cmd_port;
DISP_DATA_PORT = mfd->data_port;
DISP_WRITE_OUT(0x0000,0x0000);
DISP_WRITE_OUT(0x0001,0x0100);
DISP_WRITE_OUT(0x0002,0x0700);
DISP_WRITE_OUT(0x0003,0x10B0);
DISP_WRITE_OUT(0x0004,0x0000);
DISP_WRITE_OUT(0x0008,0x0204);
DISP_WRITE_OUT(0x0009,0x0000);
DISP_WRITE_OUT(0x000A,0x0000);
DISP_WRITE_OUT(0x000C,0x0000);
DISP_WRITE_OUT(0x000D,0x0000);
DISP_WRITE_OUT(0x000F,0x0002);
/********GAMMA CONTROL*******/
DISP_WRITE_OUT(0x0030,0x0707);
DISP_WRITE_OUT(0x0031,0x1421);
DISP_WRITE_OUT(0x0032,0x1A24);
DISP_WRITE_OUT(0x0033,0x241A);
DISP_WRITE_OUT(0x0034,0x2114);
DISP_WRITE_OUT(0x0035,0x0707);
DISP_WRITE_OUT(0x0036,0x1504);
DISP_WRITE_OUT(0x0037,0x0515);
DISP_WRITE_OUT(0x0038,0x0706);
DISP_WRITE_OUT(0x0039,0x0304);
DISP_WRITE_OUT(0x003A,0x0F04);
DISP_WRITE_OUT(0x003B,0x0F00);
DISP_WRITE_OUT(0x003C,0x000F);
DISP_WRITE_OUT(0x003D,0x040F);
DISP_WRITE_OUT(0x003E,0x0403);
DISP_WRITE_OUT(0x003F,0x0607);
/*******RAM ADDR CONTROL******/
DISP_WRITE_OUT(0x0050,0x0000);
DISP_WRITE_OUT(0x0051,0x00EF);
DISP_WRITE_OUT(0x0052,0x0000);
DISP_WRITE_OUT(0x0053,0x013F);
/*****PANEL IMAGE CONTROL*****/
DISP_WRITE_OUT(0x0060,0xA700);
DISP_WRITE_OUT(0x0061,0x0001);
DISP_WRITE_OUT(0x006A,0x0000);
/*****PANEL IMAGE CONTROL*****/
DISP_WRITE_OUT(0x0080,0x0000);
DISP_WRITE_OUT(0x0081,0x0000);
DISP_WRITE_OUT(0x0082,0x0000);
DISP_WRITE_OUT(0x0083,0x0000);
DISP_WRITE_OUT(0x0084,0x0000);
DISP_WRITE_OUT(0x0085,0x0000);
/******panel interface control*****/
DISP_WRITE_OUT(0x0090,0x0018);
DISP_WRITE_OUT(0x0092,0x0000);
DISP_WRITE_OUT(0x0093,0x0103);
DISP_WRITE_OUT(0x0095,0x0110);
DISP_WRITE_OUT(0x0097,0x0000);
DISP_WRITE_OUT(0x0098,0x0000);
/*****orise mode*****/
DISP_WRITE_OUT(0x00F0,0x5408);
DISP_WRITE_OUT(0x00E0,0x0006);
DISP_WRITE_OUT(0x00F2,0x00DF);
DISP_WRITE_OUT(0x00F3,0x6D06);
DISP_WRITE_OUT(0x00F4,0x0011);
DISP_WRITE_OUT(0x00F0,0x0000);
/*****POWER ON SEQUENCE*****/
DISP_WRITE_OUT(0x0011,0x0007);
WAIT_SEC(5000);
DISP_WRITE_OUT(0x0010,0x12B0);
WAIT_SEC(5000);
DISP_WRITE_OUT(0x0012,0x01BD);
/*****Vcom setting*****/
DISP_WRITE_OUT(0x0013,0x1200);
DISP_WRITE_OUT(0x0029,0x000c);
DISP_WRITE_OUT(0x0007,0x0112);
disp_initialized = TRUE;
}
static void epsonQcif_disp_init(struct platform_device *pdev)
{
struct msm_fb_data_type *mfd;
int i;
if (disp_initialized)
return;
mfd = platform_get_drvdata(pdev);
DISP_CMD_PORT = mfd->cmd_port;
DISP_DATA_PORT = mfd->data_port;
/* Sleep in */
DISP_CMD_OUT(DISP_CMD_SLPIN);
/* Display off */
DISP_CMD_OUT(DISP_CMD_DISOFF);
/* Display normal */
DISP_CMD_OUT(DISP_CMD_DISNOR);
/* Set data mode */
DISP_CMD_OUT(DISP_CMD_DATCTL);
DISP_DATA_OUT(DISP_DATCTL_565);
/* Set display timing */
DISP_CMD_OUT(DISP_CMD_DISCTL);
DISP_DATA_OUT(0x1c); /* p1 */
DISP_DATA_OUT(0x02); /* p1 */
DISP_DATA_OUT(0x82); /* p2 */
DISP_DATA_OUT(0x00); /* p3 */
DISP_DATA_OUT(0x00); /* p4 */
DISP_DATA_OUT(0xe0); /* p5 */
DISP_DATA_OUT(0x00); /* p5 */
DISP_DATA_OUT(0xdc); /* p6 */
DISP_DATA_OUT(0x00); /* p6 */
DISP_DATA_OUT(0x02); /* p7 */
DISP_DATA_OUT(0x00); /* p8 */
/* Set 64 gray scale level */
DISP_CMD_OUT(DISP_CMD_GCP64);
DISP_DATA_OUT(0x08); /* p01 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0x2a); /* p02 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0x4e); /* p03 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0x6b); /* p04 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0x88); /* p05 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0xa3); /* p06 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0xba); /* p07 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0xd1); /* p08 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0xe5); /* p09 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0xf3); /* p10 */
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0x03); /* p11 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x13); /* p12 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x22); /* p13 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x2f); /* p14 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x3b); /* p15 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x46); /* p16 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x51); /* p17 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x5b); /* p18 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x64); /* p19 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x6c); /* p20 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x74); /* p21 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x7c); /* p22 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x83); /* p23 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x8a); /* p24 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x91); /* p25 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x98); /* p26 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x9f); /* p27 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xa6); /* p28 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xac); /* p29 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xb2); /* p30 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xb7); /* p31 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xbc); /* p32 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xc1); /* p33 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xc6); /* p34 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xcb); /* p35 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xd0); /* p36 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xd4); /* p37 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xd8); /* p38 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xdc); /* p39 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xe0); /* p40 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xe4); /* p41 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xe8); /* p42 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xec); /* p43 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xf0); /* p44 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xf4); /* p45 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xf8); /* p46 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xfb); /* p47 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xfe); /* p48 */
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0x01); /* p49 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x03); /* p50 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x05); /* p51 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x07); /* p52 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x09); /* p53 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x0b); /* p54 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x0d); /* p55 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x0f); /* p56 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x11); /* p57 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x13); /* p58 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x15); /* p59 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x17); /* p60 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x19); /* p61 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x1b); /* p62 */
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x1c); /* p63 */
DISP_DATA_OUT(0x02);
/* Set 16 gray scale level */
DISP_CMD_OUT(DISP_CMD_GCP16);
DISP_DATA_OUT(0x1a); /* p01 */
DISP_DATA_OUT(0x32); /* p02 */
DISP_DATA_OUT(0x42); /* p03 */
DISP_DATA_OUT(0x4c); /* p04 */
DISP_DATA_OUT(0x58); /* p05 */
DISP_DATA_OUT(0x5f); /* p06 */
DISP_DATA_OUT(0x66); /* p07 */
DISP_DATA_OUT(0x6b); /* p08 */
DISP_DATA_OUT(0x70); /* p09 */
DISP_DATA_OUT(0x74); /* p10 */
DISP_DATA_OUT(0x78); /* p11 */
DISP_DATA_OUT(0x7b); /* p12 */
DISP_DATA_OUT(0x7e); /* p13 */
DISP_DATA_OUT(0x80); /* p14 */
DISP_DATA_OUT(0x82); /* p15 */
/* Set DSP column */
DISP_CMD_OUT(DISP_CMD_MD_CSET);
DISP_DATA_OUT(0xff);
DISP_DATA_OUT(0x03);
DISP_DATA_OUT(0xff);
DISP_DATA_OUT(0x03);
/* Set DSP page */
DISP_CMD_OUT(DISP_CMD_MD_PSET);
DISP_DATA_OUT(0xff);
DISP_DATA_OUT(0x01);
DISP_DATA_OUT(0xff);
DISP_DATA_OUT(0x01);
/* Set ARM column */
DISP_CMD_OUT(DISP_CMD_SD_CSET);
DISP_DATA_OUT(0x02);
DISP_DATA_OUT(0x00);
DISP_DATA_OUT((QCIF_WIDTH + 1) & 0xFF);
DISP_DATA_OUT((QCIF_WIDTH + 1) >> 8);
/* Set ARM page */
DISP_CMD_OUT(DISP_CMD_SD_PSET);
DISP_DATA_OUT(0x00);
DISP_DATA_OUT(0x00);
DISP_DATA_OUT((QCIF_HEIGHT - 1) & 0xFF);
DISP_DATA_OUT((QCIF_HEIGHT - 1) >> 8);
/* Set 64 gray scales */
DISP_CMD_OUT(DISP_CMD_GSSET);
DISP_DATA_OUT(DISP_GS_64);
DISP_CMD_OUT(DISP_CMD_OSSEL);
DISP_DATA_OUT(0);
/* Sleep out */
DISP_CMD_OUT(DISP_CMD_SLPOUT);
WAIT_SEC(40000);
/* Initialize power IC */
DISP_CMD_OUT(DISP_CMD_VOLCTL);
DISP_DATA_OUT(DISP_VOLCTL_TONE);
WAIT_SEC(40000);
/* Set electronic volume, d'xx */
DISP_CMD_OUT(DISP_CMD_VOLCTL);
DISP_DATA_OUT(DISP_DEFAULT_CONTRAST); /* value from 0 to 127 */
/* Initialize display data */
DISP_SET_RECT(0, (QCIF_HEIGHT - 1), 0, (QCIF_WIDTH - 1));
DISP_CMD_OUT(DISP_CMD_RAMWR);
for (i = 0; i < QCIF_HEIGHT * QCIF_WIDTH; i++)
DISP_DATA_OUT(0xffff);
DISP_CMD_OUT(DISP_CMD_RAMRD);
databack = DISP_DATA_IN();
databack = DISP_DATA_IN();
databack = DISP_DATA_IN();
databack = DISP_DATA_IN();
WAIT_SEC(80000);
DISP_CMD_OUT(DISP_CMD_DISON);
disp_area_start_row = 0;
disp_area_end_row = QCIF_HEIGHT - 1;
disp_powered_up = TRUE;
disp_initialized = TRUE;
epsonQcif_disp_set_display_area(0, QCIF_HEIGHT - 1);
display_on = TRUE;
}