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#ifndef BUILD_LK
#include <linux/string.h>
#endif
#include "lcm_drv.h"
// ---------------------------------------------------------------------------
// Local Constants
// ---------------------------------------------------------------------------
#define FRAME_WIDTH (540)
#define FRAME_HEIGHT (960)
#define REGFLAG_DELAY 0XFE
#define REGFLAG_END_OF_TABLE 0xFF // END OF REGISTERS MARKER
// ---------------------------------------------------------------------------
// Local Variables
// ---------------------------------------------------------------------------
static LCM_UTIL_FUNCS lcm_util = {0};
#define SET_RESET_PIN(v) (lcm_util.set_reset_pin((v)))
#define UDELAY(n) (lcm_util.udelay(n))
#define MDELAY(n) (lcm_util.mdelay(n))
// ---------------------------------------------------------------------------
// Local Functions
// ---------------------------------------------------------------------------
#define dsi_set_cmdq_V2(cmd, count, ppara, force_update) lcm_util.dsi_set_cmdq_V2(cmd, count, ppara, force_update)
#define dsi_set_cmdq(pdata, queue_size, force_update) lcm_util.dsi_set_cmdq(pdata, queue_size, force_update)
#define wrtie_cmd(cmd) lcm_util.dsi_write_cmd(cmd)
#define write_regs(addr, pdata, byte_nums) lcm_util.dsi_write_regs(addr, pdata, byte_nums)
#define read_reg lcm_util.dsi_read_reg()
struct LCM_setting_table {
unsigned cmd;
unsigned char count;
unsigned char para_list[64];
};
static struct LCM_setting_table lcm_initialization_setting[] = {
/*
Note :
Data ID will depends on the following rule.
count of parameters > 1 => Data ID = 0x39
count of parameters = 1 => Data ID = 0x15
count of parameters = 0 => Data ID = 0x05
Structure Format :
{DCS command, count of parameters, {parameter list}}
{REGFLAG_DELAY, milliseconds of time, {}},
...
Setting ending by predefined flag
{REGFLAG_END_OF_TABLE, 0x00, {}}
*/
{0x51, 1, {0x00}},
{REGFLAG_DELAY, 1, {}},
{0x55, 1, {0x02}},
{REGFLAG_DELAY, 1, {}},
{0x53, 1, {0x2C}},
{REGFLAG_DELAY, 1, {}},
// ENABLE FMARK
{0x44, 2, {((FRAME_HEIGHT/2)>>8), ((FRAME_HEIGHT/2)&0xFF)}},
{REGFLAG_DELAY, 1, {}},
{0x35, 1, {0x00}},
{REGFLAG_DELAY, 1, {}},
{0x51, 1, {0xFF}},
{REGFLAG_DELAY, 1, {}},
// Note
// Strongly recommend not to set Sleep out / Display On here. That will cause messed frame to be shown as later the backlight is on.
// Setting ending by predefined flag
{REGFLAG_END_OF_TABLE, 0x00, {}}
};
//static struct LCM_setting_table lcm_set_window[] = {
// {0x2A, 4, {0x00, 0x00, (FRAME_WIDTH>>8), (FRAME_WIDTH&0xFF)}},
// {0x2B, 4, {0x00, 0x00, (FRAME_HEIGHT>>8), (FRAME_HEIGHT&0xFF)}},
// {REGFLAG_END_OF_TABLE, 0x00, {}}
//};
static struct LCM_setting_table lcm_sleep_out_setting[] = {
// Sleep Out
{0x11, 1, {0x00}},
// LCM driver IC specifies 15ms needed after sleep out. But we need more delay time to make sure latest RAM data has been refreshed to screen.
{REGFLAG_DELAY, 120, {}},
// Display ON
{0x29, 1, {0x00}},
{REGFLAG_END_OF_TABLE, 0x00, {}}
};
static struct LCM_setting_table lcm_deep_sleep_mode_in_setting[] = {
// Display off sequence
{0x28, 1, {0x00}},
// Sleep Mode On
{0x10, 1, {0x00}},
{REGFLAG_END_OF_TABLE, 0x00, {}}
};
//static struct LCM_setting_table lcm_backlight_level_setting[] = {
// {0x51, 1, {0xFF}},
// {REGFLAG_END_OF_TABLE, 0x00, {}}
//};
static void push_table(struct LCM_setting_table *table, unsigned int count, unsigned char force_update)
{
unsigned int i;
for(i = 0; i < count; i++) {
unsigned cmd;
cmd = table[i].cmd;
switch (cmd) {
case REGFLAG_DELAY :
MDELAY(table[i].count);
break;
case REGFLAG_END_OF_TABLE :
break;
default:
dsi_set_cmdq_V2(cmd, table[i].count, table[i].para_list, force_update);
}
}
}
// ---------------------------------------------------------------------------
// LCM Driver Implementations
// ---------------------------------------------------------------------------
static void lcm_set_util_funcs(const LCM_UTIL_FUNCS *util)
{
memcpy(&lcm_util, util, sizeof(LCM_UTIL_FUNCS));
}
static void lcm_get_params(LCM_PARAMS *params)
{
memset(params, 0, sizeof(LCM_PARAMS));
params->type = LCM_TYPE_DSI;
params->width = FRAME_WIDTH;
params->height = FRAME_HEIGHT;
// enable tearing-free
params->dbi.te_mode = LCM_DBI_TE_MODE_VSYNC_ONLY;
params->dbi.te_edge_polarity = LCM_POLARITY_RISING;
params->dsi.mode = CMD_MODE;
// DSI
/* Command mode setting */
params->dsi.LANE_NUM = LCM_TWO_LANE;
//The following defined the fomat for data coming from LCD engine.
params->dsi.data_format.color_order = LCM_COLOR_ORDER_RGB;
params->dsi.data_format.trans_seq = LCM_DSI_TRANS_SEQ_MSB_FIRST;
params->dsi.data_format.padding = LCM_DSI_PADDING_ON_LSB;
params->dsi.data_format.format = LCM_DSI_FORMAT_RGB888;
// Highly depends on LCD driver capability.
params->dsi.packet_size=256;
// Video mode setting
params->dsi.PS=LCM_PACKED_PS_24BIT_RGB888;
params->dsi.word_count=480*3;
params->dsi.vertical_sync_active=2;
params->dsi.vertical_backporch=2;
params->dsi.vertical_frontporch=2;
params->dsi.vertical_active_line=800;
params->dsi.line_byte=2180; // 2256 = 752*3
params->dsi.horizontal_sync_active_byte=26;
params->dsi.horizontal_backporch_byte=206;
params->dsi.horizontal_frontporch_byte=206;
params->dsi.rgb_byte=(480*3+6);
params->dsi.horizontal_sync_active_word_count=20;
params->dsi.horizontal_backporch_word_count=200;
params->dsi.horizontal_frontporch_word_count=200;
// Bit rate calculation
// NT35565 accept maximum 510Mbps
params->dsi.pll_div1=38; // fref=26MHz, fvco=fref*(div1+1) (div1=0~63, fvco=500MHZ~1GHz)
params->dsi.pll_div2=1; // div2=0~15: fout=fvo/(2*div2)
}
static void lcm_init(void)
{
SET_RESET_PIN(1);
SET_RESET_PIN(0);
MDELAY(1);
SET_RESET_PIN(1);
MDELAY(10);
push_table(lcm_initialization_setting, sizeof(lcm_initialization_setting) / sizeof(struct LCM_setting_table), 1);
}
static void lcm_suspend(void)
{
push_table(lcm_deep_sleep_mode_in_setting, sizeof(lcm_deep_sleep_mode_in_setting) / sizeof(struct LCM_setting_table), 1);
}
static void lcm_resume(void)
{
// Work around for Novatek driver IC. If it entered ULP mode, it must be reset before resume.
//lcm_init();
push_table(lcm_sleep_out_setting, sizeof(lcm_sleep_out_setting) / sizeof(struct LCM_setting_table), 1);
}
static void lcm_update(unsigned int x, unsigned int y,
unsigned int width, unsigned int height)
{
unsigned int x0 = x;
unsigned int y0 = y;
unsigned int x1 = x0 + width - 1;
unsigned int y1 = y0 + height - 1;
unsigned char x0_MSB = ((x0>>8)&0xFF);
unsigned char x0_LSB = (x0&0xFF);
unsigned char x1_MSB = ((x1>>8)&0xFF);
unsigned char x1_LSB = (x1&0xFF);
unsigned char y0_MSB = ((y0>>8)&0xFF);
unsigned char y0_LSB = (y0&0xFF);
unsigned char y1_MSB = ((y1>>8)&0xFF);
unsigned char y1_LSB = (y1&0xFF);
unsigned int data_array[16];
data_array[0]= 0x00053902;
data_array[1]= (x1_MSB<<24)|(x0_LSB<<16)|(x0_MSB<<8)|0x2a;
data_array[2]= (x1_LSB);
data_array[3]= 0x00053902;
data_array[4]= (y1_MSB<<24)|(y0_LSB<<16)|(y0_MSB<<8)|0x2b;
data_array[5]= (y1_LSB);
data_array[6]= 0x002c3909;
dsi_set_cmdq(data_array, 7, 0);
}
//static void lcm_setbacklight(unsigned int level)
//{
// Refresh value of backlight level.
// lcm_backlight_level_setting[0].para_list[0] = level;
// push_table(lcm_backlight_level_setting, sizeof(lcm_backlight_level_setting) / sizeof(struct LCM_setting_table), 1);
//}
//static void lcm_setpwm(unsigned int divider)
//{
// TBD
//}
//static unsigned int lcm_getpwm(unsigned int divider)
//{
// ref freq = 15MHz, B0h setting 0x80, so 80.6% * freq is pwm_clk;
// pwm_clk / 255 / 2(lcm_setpwm() 6th params) = pwm_duration = 23706
// unsigned int pwm_clk = 23706 / (1<<divider);
// return pwm_clk;
//}
LCM_DRIVER nt35565_3d_lcm_drv =
{
.name = "nt35565_3d",
.set_util_funcs = lcm_set_util_funcs,
.get_params = lcm_get_params,
.init = lcm_init,
.suspend = lcm_suspend,
.resume = lcm_resume,
.update = lcm_update,
};
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