用的是jd9365tx,有init参数,我在设备树设置如下
&disp {
disp_init_enable = <1>;
disp_mode = <0>;
//screen0_output_type = <0>;
screen0_output_type = <1>;
screen0_output_mode = <4>;
screen1_output_type = <1>;
screen1_output_mode = <4>;
screen1_output_format = <0>;
screen1_output_bits = <0>;
screen1_output_eotf = <4>;
screen1_output_cs = <257>;
screen1_output_dvi_hdmi = <2>;
screen1_output_range = <2>;
screen1_output_scan = <0>;
screen1_output_aspect_ratio = <8>;
dev0_output_type = <1>;
dev0_output_mode = <4>;
dev0_screen_id = <0>;
dev0_do_hpd = <0>;
dev1_output_type = <1>;
dev1_output_mode = <4>;
dev1_screen_id = <1>;
dev1_do_hpd = <1>;
def_output_dev = <0>;
hdmi_mode_check = <1>;
fb0_format = <0>;
//fb0_width = <1280>;
//fb0_height = <720>;
fb0_width = <0>;
fb0_height = <0>;
fb1_format = <0>;
fb1_width = <0>;
fb1_height = <0>;
chn_cfg_mode = <1>;
disp_para_zone = <1>;
};
&lcd0 {
lcd_used = <1>;
lcd_driver_name = "jd9365tx";
lcd_backlight = <100>;
lcd_if = <4>;
//lcd_x = <1280>;
//lcd_y = <720>;
//lcd_width = <153>;
//lcd_height = <86>;
//lcd_dclk_freq = <78>;
lcd_x = <720>;
lcd_y = <1280>;
lcd_width = <86>;
lcd_height = <153>;
lcd_dclk_freq = <72>;
//lcd_dclk_freq = <64>;
lcd_pwm_used = <1>;
lcd_pwm_ch = <7>;
lcd_pwm_freq = <50000>;
lcd_pwm_pol = <1>;
lcd_pwm_max_limit = <255>;
lcd_hbp = <60>;
lcd_ht = <800>;
//lcd_ht = <1360>;
lcd_hspw = <20>;
lcd_vbp = <30>;
lcd_vt = <1510>;
//lcd_vt = <1330>;
//lcd_vt = <950>;
lcd_vspw = <2>;
lcd_dsi_lane = <4>;
lcd_dsi_if = <0>;
lcd_dsi_format = <0>;
lcd_dsi_te = <0>;
lcd_frm = <0>;
lcd_io_phase = <0>;
lcd_gamma_en = <0>;
lcd_bright_curve_en = <0>;
lcd_cmap_en = <0>;
lcdgamma4iep = <22>;
smart_color = <90>;
lcd_gpio_0 = <&pio PB 7 GPIO_ACTIVE_HIGH>;
pinctrl-0 = <&dsi4lane_pins_a>;
pinctrl-1 = <&dsi4lane_pins_b>;
};
屏参数720*1280,原始参数如下
JDEVB_IF(DSI_VDO);
JDEVB_RSOX(720);
JDEVB_RSOY(1280);
JDEVB_VS(2);
JDEVB_VBP(28);
JDEVB_VFP(200);
JDEVB_HS(20);
JDEVB_HBP(40);
JDEVB_HFP(20);
JDEVB_DSILANE(4);
JDEVB_DOTCLK(72.48);
JDEVB_SSDIO(3.3);
JDEVB_IOVCC(3.3);
Delayms(10);
JDEVB_VCI(3.3);
Delayms(10);
JDEVB_I2C_AVDD(6);
Delayms(10);
JDEVB_I2C_AVEE(-6);
Delayms(25);
现在是clk引脚PD4没有任何输出,我关闭了uboot的#CONFIG_DISP2_SUNXI=y,驱动文件如下,拷贝了别的驱动改的
#include "jd9365tx.h"
#include "panels.h"
static void lcd_power_on(u32 sel);
static void lcd_power_off(u32 sel);
static void lcd_bl_open(u32 sel);
static void lcd_bl_close(u32 sel);
static void lcd_panel_init(u32 sel);
static void lcd_panel_exit(u32 sel);
#define panel_reset(sel, val) sunxi_lcd_gpio_set_value(sel, 0, val)
static void lcd_cfg_panel_info(struct panel_extend_para *info)
{
u32 i = 0, j = 0;
u32 items;
u8 lcd_gamma_tbl[][2] = {
{0, 0},
{15, 15},
{30, 30},
{45, 45},
{60, 60},
{75, 75},
{90, 90},
{105, 105},
{120, 120},
{135, 135},
{150, 150},
{165, 165},
{180, 180},
{195, 195},
{210, 210},
{225, 225},
{240, 240},
{255, 255},
};
u32 lcd_cmap_tbl[2][3][4] = {
{
{LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3},
{LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3},
{LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3},
},
{
{LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0},
{LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0},
{LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0},
},
};
items = sizeof(lcd_gamma_tbl) / 2;
for (i = 0; i < items - 1; i++) {
u32 num = lcd_gamma_tbl[i + 1][0] - lcd_gamma_tbl[i][0];
for (j = 0; j < num; j++) {
u32 value = 0;
value = lcd_gamma_tbl[i][1] +
((lcd_gamma_tbl[i + 1][1] - lcd_gamma_tbl[i][1])
* j) / num;
info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] =
(value << 16)
+ (value << 8) + value;
}
}
info->lcd_gamma_tbl[255] = (lcd_gamma_tbl[items - 1][1] << 16) +
(lcd_gamma_tbl[items - 1][1] << 8)
+ lcd_gamma_tbl[items - 1][1];
memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl));
printk(KERN_ERR "TESTTTT %s--%d\n", __func__, __LINE__);
}
static s32 lcd_open_flow(u32 sel)
{
printk(KERN_ERR "TESTTTT %s--%d\n", __func__, __LINE__);
LCD_OPEN_FUNC(sel, lcd_power_on, 10);
LCD_OPEN_FUNC(sel, lcd_panel_init, 10);
LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 50);
LCD_OPEN_FUNC(sel, lcd_bl_open, 0);
printk(KERN_ERR "TESTTTT %s--%d\n", __func__, __LINE__);
return 0;
}
static s32 lcd_close_flow(u32 sel)
{
LCD_CLOSE_FUNC(sel, lcd_bl_close, 0);
LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 0);
LCD_CLOSE_FUNC(sel, lcd_panel_exit, 200);
LCD_CLOSE_FUNC(sel, lcd_power_off, 500);
return 0;
}
static void lcd_power_on(u32 sel)
{
printk(KERN_ERR "TESTTTT %s--%d\n", __func__, __LINE__);
sunxi_lcd_pin_cfg(sel, 1);
sunxi_lcd_delay_ms(50);
panel_reset(sel, 1);
sunxi_lcd_delay_ms(5);
panel_reset(sel, 0);
sunxi_lcd_delay_ms(30);
panel_reset(sel, 1);
sunxi_lcd_delay_ms(120);
printk(KERN_ERR "TESTTTT %s--%d\n", __func__, __LINE__);
}
static void lcd_power_off(u32 sel)
{
sunxi_lcd_pin_cfg(sel, 0);
sunxi_lcd_delay_ms(20);
panel_reset(sel, 0);
sunxi_lcd_delay_ms(5);
}
static void lcd_bl_open(u32 sel)
{
sunxi_lcd_pwm_enable(sel);
sunxi_lcd_backlight_enable(sel);
}
static void lcd_bl_close(u32 sel)
{
sunxi_lcd_backlight_disable(sel);
sunxi_lcd_pwm_disable(sel);
}
#define REGFLAG_DELAY 0XFC
#define REGFLAG_END_OF_TABLE 0xFD /* END OF REGISTERS MARKER */
struct LCM_setting_table {
u8 cmd;
u32 count;
u8 para_list[64];
};
static struct LCM_setting_table lcm_jd9365tx_setting[] =
{
{0xDF, 3, {0x90, 0x84, 0x14}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xDE, 1, {0x00}},
{0xBB, 6, {0x46, 0x55, 0xB5, 0x22, 0x22, 0x55}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xDE, 1, {0x02}},
{0xB7, 5, {0x16, 0x00, 0x6E, 0x44, 0x77}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xDE, 1, {0x00}},
{0xB3, 10, {0x00, 0x01, 0x50, 0x50, 0x3C, 0x3C, 0xA0, 0x00, 0x20, 0xB6}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xBC, 3, {0x0C, 0x28, 0x88}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xBD, 3, {0x00, 0x5C, 0x56}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xBF, 3, {0x10, 0x35, 0xC3}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC0, 2, {0xBD, 0xBD}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC3, 6, {0x03, 0x09, 0x00, 0x04, 0x2B, 0xE2}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC4, 24, {0x05, 0xE3, 0x0D, 0xD1, 0x05, 0x2C, 0x06, 0x51, 0x06, 0x51, 0x06, 0x51, 0x00, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC5, 36, {0x01, 0x00, 0x8C, 0x00, 0x5E, 0x01, 0x7D, 0x09, 0x60, 0x02, 0xD0, 0x05, 0x00, 0x00, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0E, 0x01, 0x92, 0x02, 0x00, 0x02, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC6, 16, {0x00, 0xE4, 0x00, 0xC8, 0x00, 0x1D, 0x28, 0x82, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC8, 3, {0x20, 0x80, 0xB4}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xCB, 42, {0x7C, 0x66, 0x57, 0x42, 0x32, 0x2A, 0x1B, 0x1F, 0x0A, 0x26, 0x27, 0x25, 0x44, 0x32, 0x41, 0x35, 0x35, 0x2B, 0x1E, 0x14, 0x06, 0x7C, 0x66, 0x57, 0x42, 0x32, 0x2A, 0x1B, 0x1F, 0x0A, 0x26, 0x27, 0x2D, 0x4C, 0x3A, 0x41, 0x35, 0x35, 0x2B, 0x1E, 0x14, 0x06}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xCC, 1, {0x33}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xCD, 12, {0x23, 0x0E, 0x23, 0x0E, 0x23, 0x0E, 0x23, 0x0E, 0x23, 0x23, 0x22, 0x22}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xCE, 56, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xCF, 18, {0x40, 0x00, 0x00, 0x3F, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0xFF, 0xFF, 0x00, 0x00, 0x00}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xD0, 23, {0x00, 0x3F, 0x3F, 0x64, 0x64, 0x3F, 0x3F, 0x3E, 0x3E, 0x2A, 0x2B, 0x3F, 0x3F, 0x1F, 0x1D, 0x1B, 0x19, 0x17, 0x15, 0x13, 0x11, 0x01, 0x03}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xD1, 23, {0x00, 0x3F, 0x3F, 0x64, 0x64, 0x3F, 0x3F, 0x3E, 0x3E, 0x2A, 0x2B, 0x3F, 0x3F, 0x1E, 0x1C, 0x1A, 0x18, 0x16, 0x14, 0x12, 0x10, 0x00, 0x02}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xD2, 23, {0x00, 0x3F, 0x3F, 0x24, 0x24, 0x3F, 0x3F, 0x3E, 0x3E, 0x2A, 0x2B, 0x3F, 0x3F, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1A, 0x1C, 0x1E, 0x02, 0x00}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xD3, 23, {0x00, 0xBF, 0xBF, 0xA4, 0xA4, 0xBF, 0x3F, 0x3E, 0x3E, 0x2A, 0x2B, 0x3F, 0x3F, 0x11, 0x13, 0x15, 0x17, 0x19, 0x1B, 0x1D, 0x1F, 0x03, 0x01}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xD4, 56, {0x00, 0x60, 0x0C, 0x01, 0x03, 0x20, 0x04, 0x00, 0x00, 0x00, 0x07, 0x00, 0x05, 0x1D, 0x01, 0x23, 0x45, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x05, 0x20, 0x05, 0x22, 0x01, 0x03, 0x80, 0x0A, 0x00, 0x0A, 0x05, 0x24, 0x05, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x20, 0x00}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xD5, 28, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, 0x0A, 0x78, 0x00, 0x00, 0x05, 0xE6, 0xF7, 0xA0, 0x0F, 0x08, 0x08, 0x10, 0x00, 0x2F, 0x04}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xD7, 15, {0x00, 0x09, 0x7D, 0x09, 0x7D, 0x09, 0x7D, 0x09, 0x7D, 0x09, 0x7D, 0x09, 0x7D, 0x09, 0x7D}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xDE, 1, {0x01}},
{0xC7, 5, {0x14, 0x14, 0x04, 0x04, 0x47}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xCD, 2, {0x30, 0x53}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xCE, 5, {0x09, 0x00, 0xE0, 0x00, 0xE0}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xDE, 1, {0x02}},
{0xB3, 5, {0x4A, 0xA3, 0xE2, 0x2F, 0x43}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xB4, 1, {0x7F}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xBB, 11, {0x00, 0x7D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x41, 0x40, 0x43, 0x04}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xBD, 1, {0x1B}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xBF, 2, {0x0F, 0x03}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC1, 13, {0x50, 0x40, 0x00, 0x00, 0x00, 0x02, 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC2, 7, {0x02, 0x42, 0x50, 0x00, 0x02, 0xE0, 0x31}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC3, 2, {0x20, 0xFF}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC4, 7, {0x00, 0x11, 0x07, 0x00, 0x0E, 0x01, 0x08}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xC6, 2, {0x4A, 0x00}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xE5, 15, {0x00, 0x70, 0x70, 0x19, 0xC8, 0x09, 0x00, 0x42, 0x01, 0x30, 0x05, 0x00, 0x00, 0x05, 0x07}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xE6, 5, {0x10, 0x0F, 0x88, 0x00, 0x00}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xE9, 3, {0x10, 0xA0, 0xA0}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xEC, 3, {0x10, 0x77, 0x0D}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xDE, 1, {0x03}},
{0xD1, 5, {0x00, 0x00, 0x39, 0xFF, 0x08}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xED, 1, {0x00}},
{REGFLAG_DELAY, REGFLAG_DELAY, {1}},
{0xDE, 1, {0x00}},
{0x35, 0, {}},
{REGFLAG_DELAY, REGFLAG_DELAY, {30}},
{0x11, 0, {}},
{REGFLAG_DELAY, REGFLAG_DELAY, {120}},
{0x29, 0, {}},
{REGFLAG_DELAY, REGFLAG_DELAY, {50}},
{REGFLAG_END_OF_TABLE, REGFLAG_END_OF_TABLE, {}}
};
static void lcd_panel_init(u32 sel)
{
__u32 i;
sunxi_lcd_dsi_clk_enable(sel);
sunxi_lcd_delay_ms(100);
printk(KERN_ERR "TESTTTT %s--%d, sel = %d\n", __func__, __LINE__, sel);
for (i = 0;; i++) {
if (lcm_jd9365tx_setting[i].count == REGFLAG_END_OF_TABLE)
break;
else if (lcm_jd9365tx_setting[i].count == REGFLAG_DELAY) {
sunxi_lcd_delay_ms(lcm_jd9365tx_setting[i].para_list[0]);
} else {
//dsi_gen_wr(sel, lcm_jd9365tx_setting[i].cmd,
dsi_dcs_wr(sel, lcm_jd9365tx_setting[i].cmd, lcm_jd9365tx_setting[i].para_list, lcm_jd9365tx_setting[i].count);
}
/* break; */
}
u8 result[17] = { 0 };
u32 num = 0;
sunxi_lcd_delay_ms(100);
sunxi_lcd_dsi_dcs_read(sel, 0x04, result, &num);
printk(KERN_ERR "get lcd id0 0x%x get lcd id15 0x%x get lcd id16 0x%x readbytes=%d\n",
result[0], result[15], result[16], num);
}
static void lcd_panel_exit(u32 sel)
{
sunxi_lcd_dsi_dcs_write_0para(sel, 0x10);
sunxi_lcd_delay_ms(80);
sunxi_lcd_dsi_dcs_write_0para(sel, 0x28);
sunxi_lcd_delay_ms(50);
}
/*sel: 0:lcd0; 1:lcd1*/
static s32 lcd_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3)
{
return 0;
}
struct __lcd_panel jd9365tx_panel = {
/* panel driver name, must mach the name of
* lcd_drv_name in sys_config.fex
*/
.name = "jd9365tx",
.func = {
.cfg_panel_info = lcd_cfg_panel_info,
.cfg_open_flow = lcd_open_flow,
.cfg_close_flow = lcd_close_flow,
.lcd_user_defined_func = lcd_user_defined_func,
},
};
这些函数都调用了,reset也能看到引脚电平在变化,拉低了30ms,但是不管怎样clk脚都没有任何输出,请假大佬们该从哪里入手
我还做了以下的操作:
1,打印查看clk_set_rate返回值为0,设置clk成功
2,查看pinctrl,PD0-PD9都已经是dsi引脚
3,修改clk_tbl为{LCD_IF_DSI, 6, 1, 4, 108000000},确保dclk和dsi_rate正常
恳请大佬们帮忙解决一下!