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#ifdef BUILD_LK
#include <string.h>
#else
#include <linux/string.h>
#endif
#ifdef BUILD_LK
#include <platform/mt_gpio.h>
#include <platform/mt_pmic.h>
#else
#include <mach/mt_gpio.h>
#include <mach/mt_pm_ldo.h>
#include <mach/upmu_common.h>
#endif
#include "lcm_drv.h"
// ---------------------------------------------------------------------------
// Local Constants
// ---------------------------------------------------------------------------
#define FRAME_WIDTH (768)
#define FRAME_HEIGHT (1024)
#define LCM_DSI_CMD_MODE 0
// ---------------------------------------------------------------------------
// Local Variables
// ---------------------------------------------------------------------------
static LCM_UTIL_FUNCS lcm_util = {
.set_gpio_out = NULL,
};
#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()
#define read_reg_v2(cmd, buffer, buffer_size) lcm_util.dsi_dcs_read_lcm_reg_v2(cmd, buffer, buffer_size)
static void lcd_power_en(unsigned char enabled)
{
if (enabled)
{
#ifdef BUILD_LK
/* VGP2_PMU 3V */
pmic_config_interface(DIGLDO_CON29, 0x6, PMIC_RG_VGP2_VOSEL_MASK, PMIC_RG_VGP2_VOSEL_SHIFT);
pmic_config_interface(DIGLDO_CON8, 0x1, PMIC_RG_VGP2_EN_MASK, PMIC_RG_VGP2_EN_SHIFT);
#else
upmu_set_rg_vgp2_vosel(0x6);
upmu_set_rg_vgp2_en(0x1);
#endif
mt_set_gpio_out(GPIO_LCM_PWR, GPIO_OUT_ONE);
}
else
{
#ifdef BUILD_LK
/* VGP2_PMU 3V */
pmic_config_interface(DIGLDO_CON8, 0x0, PMIC_RG_VGP2_EN_MASK, PMIC_RG_VGP2_EN_SHIFT);
pmic_config_interface(DIGLDO_CON29, 0x0, PMIC_RG_VGP2_VOSEL_MASK, PMIC_RG_VGP2_VOSEL_SHIFT);
#else
upmu_set_rg_vgp2_en(0x0);
upmu_set_rg_vgp2_vosel(0x0);
#endif
mt_set_gpio_out(GPIO_LCM_PWR, GPIO_OUT_ZERO);
}
}
static void lcd_reset(unsigned char enabled)
{
if (enabled)
{
mt_set_gpio_out(GPIO_LCM_RST, GPIO_OUT_ONE);
}
else
{
mt_set_gpio_out(GPIO_LCM_RST, GPIO_OUT_ZERO);
}
}
// ---------------------------------------------------------------------------
// 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;
params->dsi.mode = BURST_VDO_MODE;
// DSI
/* Command mode setting */
params->dsi.LANE_NUM = LCM_FOUR_LANE;
//The following defined the fomat for data coming from LCD engine.
params->dsi.data_format.format = LCM_DSI_FORMAT_RGB666;
// Video mode setting
params->dsi.PS = LCM_PACKED_PS_18BIT_RGB666;
params->dsi.vertical_sync_active = 50;
params->dsi.vertical_backporch = 30;
params->dsi.vertical_frontporch = 36;
params->dsi.vertical_active_line = FRAME_HEIGHT;
params->dsi.horizontal_sync_active = 64;
params->dsi.horizontal_backporch = 56;
params->dsi.horizontal_frontporch = 60;
params->dsi.horizontal_active_pixel = FRAME_WIDTH;
// Bit rate calculation
params->dsi.pll_div1 = 0;
params->dsi.pll_div2 = 1;
params->dsi.fbk_div = 21;
params->dsi.cont_clock = 1;
params->dsi.horizontal_bllp = 0x115; //word count=0x340
}
extern void DSI_clk_HS_mode(unsigned char enter);
static void init_lcm_registers(void)
{
unsigned int data_array[16];
#ifdef BUILD_LK
printf("%s, LK \n", __func__);
#else
printk("%s, kernel", __func__);
#endif
data_array[0] = 0x00010500; //software reset
dsi_set_cmdq(data_array, 1, 1);
MDELAY(10);
DSI_clk_HS_mode(1);
MDELAY(80);
data_array[0] = 0x00290500; //display on
dsi_set_cmdq(data_array, 1, 1);
}
static void lcm_init(void)
{
#if 0//def BUILD_LK
return;//LK donothing
#else
lcd_reset(0);
lcd_power_en(0);
lcd_power_en(1);
MDELAY(50);//Must > 5ms
lcd_reset(1);
MDELAY(200);//Must > 50ms
init_lcm_registers();
#endif
}
static void lcm_suspend(void)
{
unsigned int data_array[16];
data_array[0] = 0x00280500; //display off
dsi_set_cmdq(data_array, 1, 1);
MDELAY(5);
lcd_reset(0);
lcd_power_en(0);
DSI_clk_HS_mode(0);
MDELAY(10);
}
static void lcm_resume(void)
{
lcd_reset(0);
lcd_power_en(0);
lcd_power_en(1);
MDELAY(50);//Must > 5ms
lcd_reset(1);
MDELAY(200);//Must > 50ms
init_lcm_registers();
}
LCM_DRIVER lp079x01_lcm_drv =
{
.name = "lp079x01",
.set_util_funcs = lcm_set_util_funcs,
.get_params = lcm_get_params,
.init = lcm_init,
.suspend = lcm_suspend,
.resume = lcm_resume,
//.compare_id = lcm_compare_id,
};
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