diff options
Diffstat (limited to 'drivers/video/sprdfb/lcd/lcd_nt51017_goyal_mipi.c')
| -rwxr-xr-x | drivers/video/sprdfb/lcd/lcd_nt51017_goyal_mipi.c | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/drivers/video/sprdfb/lcd/lcd_nt51017_goyal_mipi.c b/drivers/video/sprdfb/lcd/lcd_nt51017_goyal_mipi.c new file mode 100755 index 00000000..1f081bee --- /dev/null +++ b/drivers/video/sprdfb/lcd/lcd_nt51017_goyal_mipi.c @@ -0,0 +1,296 @@ +/* drivers/video/sprdfb/lcd_nt51017_mipi.c
+ *
+ * Support for nt51017 mipi LCD device
+ *
+ * Copyright (C) 2010 Spreadtrum
+ */
+
+#include <linux/kernel.h>
+#include <linux/bug.h>
+#include <linux/delay.h>
+#include "../sprdfb_panel.h"
+#include <mach/gpio.h>
+
+#define LCD_DEBUG
+#ifdef LCD_DEBUG
+#define LCD_PRINT printk
+#else
+#define LCD_PRINT(...)
+#endif
+
+#define MAX_DATA 150
+
+typedef struct LCM_Init_Code_tag {
+ unsigned int tag;
+ unsigned char data[MAX_DATA];
+}LCM_Init_Code;
+
+typedef struct LCM_force_cmd_code_tag{
+ unsigned int datatype;
+ LCM_Init_Code real_cmd_code;
+}LCM_Force_Cmd_Code;
+
+#define LCM_TAG_SHIFT 24
+#define LCM_TAG_MASK ((1 << 24) -1)
+#define LCM_SEND(len) ((1 << LCM_TAG_SHIFT)| len)
+#define LCM_SLEEP(ms) ((2 << LCM_TAG_SHIFT)| ms)
+//#define ARRAY_SIZE(array) ( sizeof(array) / sizeof(array[0]))
+
+#define LCM_TAG_SEND (1<< 0)
+#define LCM_TAG_SLEEP (1 << 1)
+
+
+
+
+static LCM_Init_Code init_data[] = {
+ {LCM_SEND(2), {0x83, 0x96} },
+ {LCM_SEND(2), {0x84, 0x69} },
+ {LCM_SEND(2), {0x92, 0x19} },
+ {LCM_SEND(2), {0x83, 0x00} },
+ {LCM_SEND(2), {0x84, 0x00} },
+ {LCM_SEND(2), {0x96, 0x00} },
+
+};
+
+
+static LCM_Init_Code sleep_in[] = {
+
+ {LCM_SEND(1), {0x11}},
+ {LCM_SLEEP(170)},
+};
+
+static LCM_Init_Code sleep_out[] = {
+ {LCM_SEND(1), {0x10}},
+ {LCM_SLEEP(170)},
+
+};
+
+
+static int32_t nt51017_mipi_init(struct panel_spec *self)
+{
+
+ if (gpio_request(232, "LED_EN0")) {
+ printk("Failed ro request LCD_BL GPIO_%d \n",232);
+ return -ENODEV;
+ }
+ gpio_direction_output(232, 1);
+ gpio_set_value(232, 1);
+
+ if (gpio_request(233, "LED_EN1")) {
+ printk("Failed ro request LCD_BL GPIO_%d \n",233);
+ return -ENODEV;
+ }
+ gpio_direction_output(233, 1);
+ gpio_set_value(233, 1);
+
+ mdelay(200);
+
+ int32_t i;
+ LCM_Init_Code *init = init_data;
+ unsigned int tag;
+
+ mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
+ mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;
+ mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;
+
+ printk("lcd_nt51017_init\n");
+
+ mipi_set_cmd_mode();
+ mipi_eotp_set(0,0);
+
+ for(i = 0; i < ARRAY_SIZE(init_data); i++){
+ tag = (init->tag >>24);
+ if(tag & LCM_TAG_SEND){
+ mipi_dcs_write(init->data, (init->tag & LCM_TAG_MASK));
+ udelay(20);
+ }else if(tag & LCM_TAG_SLEEP){
+ mdelay(init->tag & LCM_TAG_MASK);//udelay((init->tag & LCM_TAG_MASK) * 1000);
+ }
+ init++;
+ }
+ mipi_eotp_set(0,0);
+
+ return 0;
+}
+
+static uint32_t nt51017_readid(struct panel_spec *self)
+{
+#if 0
+ uint32 j =0;
+ uint8_t read_data[4] = {0};
+ int32_t read_rtn = 0;
+ uint8_t param[2] = {0};
+ mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
+ mipi_force_write_t mipi_force_write = self->info.mipi->ops->mipi_force_write;
+ mipi_force_read_t mipi_force_read = self->info.mipi->ops->mipi_force_read;
+ mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;
+
+ printk("lcd_nt51017_mipi read id!\n");
+
+ mipi_set_cmd_mode();
+ mipi_eotp_set(0,0);
+
+ for(j = 0; j < 4; j++){
+ param[0] = 0x01;
+ param[1] = 0x00;
+ mipi_force_write(0x37, param, 2);
+ read_rtn = mipi_force_read(0xda,1,&read_data[0]);
+ printk("lcd_nt51017_mipi read id 0xda value is 0x%x!\n",read_data[0]);
+
+ read_rtn = mipi_force_read(0xdb,1,&read_data[1]);
+ printk("lcd_nt51017_mipi read id 0xdb value is 0x%x!\n",read_data[1]);
+
+ read_rtn = mipi_force_read(0xdc,1,&read_data[2]);
+ printk("lcd_nt51017_mipi read id 0xdc value is 0x%x!\n",read_data[2]);
+
+ if((0x55 == read_data[0])&&(0xbf == read_data[1] || 0xc0 == read_data[1] || 0xbe == read_data[1])&&(0x90 == read_data[2])){
+ printk("lcd_nt51017_mipi read id success!\n");
+ return 0x8369;
+ }
+ }
+
+ mipi_eotp_set(0,0);
+
+ printk("lcd_s6d77a1_mipi read id failed!\n");
+ return 0;
+#endif
+ return 0x51017;
+}
+
+static int32_t nt51017_enter_sleep(struct panel_spec *self, uint8_t is_sleep)
+{
+ int32_t i = 0;
+ LCM_Init_Code *sleep_in_out = NULL;
+ unsigned int tag;
+ int32_t size = 0;
+
+ mipi_set_cmd_mode_t mipi_set_cmd_mode = self->info.mipi->ops->mipi_set_cmd_mode;
+ mipi_dcs_write_t mipi_dcs_write = self->info.mipi->ops->mipi_dcs_write;
+ mipi_eotp_set_t mipi_eotp_set = self->info.mipi->ops->mipi_eotp_set;
+
+ printk("kernel nt51017_enter_sleep, is_sleep = %d\n", is_sleep);
+
+ if(is_sleep){
+ sleep_in_out = sleep_in;
+ size = ARRAY_SIZE(sleep_in);
+ }else{
+ sleep_in_out = sleep_out;
+ size = ARRAY_SIZE(sleep_out);
+ }
+
+ mipi_set_cmd_mode();
+ mipi_eotp_set(0,0);
+
+ for(i = 0; i <size ; i++){
+ tag = (sleep_in_out->tag >>24);
+ if(tag & LCM_TAG_SEND){
+ mipi_dcs_write(sleep_in_out->data, (sleep_in_out->tag & LCM_TAG_MASK));
+ }else if(tag & LCM_TAG_SLEEP){
+ msleep(sleep_in_out->tag & LCM_TAG_MASK);
+ }
+ sleep_in_out++;
+ }
+ mipi_eotp_set(0,0);
+
+ return 0;
+}
+
+static int32_t nt51017_before_resume(struct panel_spec *self, uint8_t is_sleep)
+{
+ gpio_set_value(152, 1);
+ gpio_set_value(155, 1);
+ gpio_set_value(232, 1);
+ gpio_set_value(233, 1);
+}
+
+static int32_t nt51017_after_suspend(struct panel_spec *self, uint8_t is_sleep)
+{
+ gpio_set_value(152, 0);
+ gpio_set_value(155, 0);
+ gpio_set_value(232, 0);
+ gpio_set_value(233, 0);
+}
+
+static struct panel_operations lcd_nt51017_mipi_operations = {
+ .panel_init = nt51017_mipi_init,
+ .panel_readid = nt51017_readid,
+ .panel_enter_sleep = nt51017_enter_sleep,
+ .panel_before_resume = nt51017_before_resume,
+ .panel_after_suspend = nt51017_after_suspend,
+};
+
+static struct timing_rgb lcd_nt51017_mipi_timing = {
+
+ .hfp = 80, /* unit: pixel */
+ .hbp = 80,
+ .hsync = 1,
+ .vfp = 18, /*unit: line*/
+ .vbp = 23,
+ .vsync = 1,
+
+};
+
+
+static struct info_mipi lcd_nt51017_mipi_info = {
+ .work_mode = SPRDFB_MIPI_MODE_VIDEO,
+ .video_bus_width = 24, /*18,16*/
+ .lan_number = 4,
+ .phy_feq =481*1000,
+ .h_sync_pol = SPRDFB_POLARITY_POS,
+ .v_sync_pol = SPRDFB_POLARITY_POS,
+ .de_pol = SPRDFB_POLARITY_POS,
+ .te_pol = SPRDFB_POLARITY_POS,
+ .color_mode_pol = SPRDFB_POLARITY_NEG,
+ .shut_down_pol = SPRDFB_POLARITY_NEG,
+ .timing = &lcd_nt51017_mipi_timing,
+ .ops = NULL,
+};
+
+struct panel_spec lcd_nt51017_mipi_spec = {
+ .width = 800,
+ .height =1280,
+ .fps = 60,
+ .type = LCD_MODE_DSI,
+ .direction = LCD_DIRECT_NORMAL,
+ .suspend_mode = SEND_SLEEP_CMD,
+ .info = {
+ .mipi = &lcd_nt51017_mipi_info
+ },
+ .ops = &lcd_nt51017_mipi_operations,
+};
+struct panel_cfg lcd_nt51017_mipi = {
+ /* this panel can only be main lcd */
+ .dev_id = SPRDFB_MAINLCD_ID,
+ .lcd_id = 0x51017,
+ .lcd_name = "lcd_nt51017_mipi",
+ .panel = &lcd_nt51017_mipi_spec,
+};
+
+
+static int __init lcd_nt51017_mipi_init(void)
+{
+ if (gpio_request(152, "LCD_3V3")) {
+ printk("Failed ro request LCD_3V3 GPIO_%d \n",152);
+ return -ENODEV;
+ }
+ if (gpio_request(155, "BL_EN")) {
+ printk("Failed ro request BL_EN GPIO_%d \n",155);
+ return -ENODEV;
+ }
+ if (gpio_request(232, "CABC_EN0")) {
+ printk("Failed ro request CABC_EN0 GPIO_%d \n",232);
+ return -ENODEV;
+ }
+ if (gpio_request(233, "CABC_EN1")) {
+ printk("Failed ro request CABC_EN1 GPIO_%d \n",233);
+ return -ENODEV;
+ }
+ gpio_direction_output(152, 1);
+ gpio_direction_output(155, 1);
+ gpio_direction_output(232, 1);
+ gpio_direction_output(233, 1);
+
+ return sprdfb_panel_register(&lcd_nt51017_mipi);
+}
+
+subsys_initcall(lcd_nt51017_mipi_init);
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