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pmaports/device/linux-finepower-f1/04-add-st7796s-mipi-panel-support.patch
smd a4f38c41c0
finepower-f1: new device (Finepower F1) (!645) 
[ci:skip-build]: already built successfully in CI
2019-09-25 23:16:59 +02:00

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diff --git a/drivers/video/sprdfb/Kconfig b/drivers/video/sprdfb/Kconfig
index 5c929a5..7f0678c 100755
--- a/drivers/video/sprdfb/Kconfig
+++ b/drivers/video/sprdfb/Kconfig
@@ -305,6 +305,11 @@ config FB_LCD_ST7789V_MCU
depends on FB_SC8825 || FB_SCX35 || FB_SCX15
default n
+config FB_LCD_ST7796S_MIPI
+ boolean "support ST7796S mipi panel"
+ depends on FB_SC8825 || FB_SCX35 || FB_SCX30G
+ default n
+
config FB_LCD_NT51017_MIPI_LVDS
boolean "support nt51017 lvds panel"
depends on FB_SC8825 || FB_SCX35
diff --git a/drivers/video/sprdfb/lcd/Makefile b/drivers/video/sprdfb/lcd/Makefile
index c1b385b..df28587 100755
--- a/drivers/video/sprdfb/lcd/Makefile
+++ b/drivers/video/sprdfb/lcd/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_FB_LCD_S6D77ALA_MIPI_PIKEBJ1MINI) += lcd_s6d77a1a01_mipi_pikebj1min
obj-$(CONFIG_FB_LCD_SC7798D_MIPI_PIKEBJ1MINI) += lcd_sc7798d_mipi_pikebj1mini.o
obj-$(CONFIG_FB_LCD_ILI9341) += lcd_ili9341.o
obj-$(CONFIG_FB_LCD_ST7789V_MCU) += lcd_st7789v_mcu.o
+obj-$(CONFIG_FB_LCD_ST7796S_MIPI) += lcd_st7796s_mipi.o
obj-$(CONFIG_FB_LCD_OTM1283A_MIPI) += lcd_otm1283a_mipi.o
obj-$(CONFIG_FB_LCD_NT35502_MIPI) += lcd_nt35502_mipi.o
obj-$(CONFIG_FB_LCD_VIVA_RGB_SPI) += lcd_hx8363_rgb_spi_viva.o
diff --git a/drivers/video/sprdfb/lcd/lcd_st7796s_mipi.c b/drivers/video/sprdfb/lcd/lcd_st7796s_mipi.c
new file mode 100644
index 0000000..2096e01
--- /dev/null
+++ b/drivers/video/sprdfb/lcd/lcd_st7796s_mipi.c
@@ -0,0 +1,252 @@
+/* drivers/video/sprdfb/lcd/lcd_st7796s_mipi.c
+ *
+ * Support for ST7796S mipi LCD device
+ *
+ * Copyright (C) 2010 Spreadtrum
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/bug.h>
+#include <linux/delay.h>
+#include "../sprdfb_panel.h"
+
+#define MAX_DATA 100
+
+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 LCM_TAG_SEND (1<< 0)
+#define LCM_TAG_SLEEP (1 << 1)
+
+static LCM_Init_Code init_data[] = {
+ /*{0xF0, 1, {0xC3}}, COMMAND SET CONTROL: ENABLE COMMAND 2 part I
+ {0xF0, 1, {0x96}}, COMMAND SET CONTROL: ENABLE COMMAND 2 part II
+ {0x36, 1, {0x86}}, MADCTL (memory data access control): mirror framebuffer,
+ {0xB4, 1, {0x01}}, DIC (display inversion control) : 1-dot inversion
+ {0x3A, 1, {0x55}}, Interface pixel format: 18-bit//0x55
+ {0xB7, 1, {0x06}}, Entry Mode Set: normal display
+ {0xB9, 2, {0x02,0XC0}},
+ {0x35, 1, {0x00}}, Tearing effect line: disabled
+ {0x44, 2, {0x00,0x00}}, Set tear scanline: 0
+
+ {0xE8, 8, {0x40,0x8a,0x00,0x00,0x29,0x19,0xa5,0x33}}, Display output ctrl adjust
+ {0xC5, 1, {0x25}}, VCOM control: 1.225
+ {0xC2, 1, {0xA5}}, PWR3 Power control: low
+ GAMMA CONTROL
+ {0xE0, 14, {0xF0,0x00,0x03,0x0b,0x0c,0x29,0x2e,0x44,0x41,0x17,0x11,0x13,0x16,0x1b}},
+ {0xE1, 14, {0xF0,0x00,0x02,0x06,0x06,0x24,0x2a,0x43,0x3e,0x2d,0x1a,0x16,0x13,0x17}},
+ {0xEC, 3, {0x00,0x00,0x01}},
+
+ {0xF0, 1, {0x3C}}, COMMAND SET CONTROL
+ {0xF0, 1, {0x69}}, COMMAND SET CONTROL
+
+ {0x29, 1, {0x00}},
+ {REGFLAG_DELAY, 20, {}},*/
+ {LCM_SEND(1), {0xC3}},
+ {LCM_SEND(1), {0x96}},
+ {LCM_SEND(1), {0x86}},
+ {LCM_SEND(1), {0x01}},
+ {LCM_SEND(1), {0x55}},//0x55
+ {LCM_SEND(1), {0x06}},
+ {LCM_SEND(2), {0x02,0XC0}},
+ {LCM_SEND(1), {0x00}},
+ {LCM_SEND(2), {0x00,0x00}},
+
+ {LCM_SEND(8), {0x40,0x8a,0x00,0x00,0x29,0x19,0xa5,0x33}},
+ {LCM_SEND(1), {0x25}},
+ {LCM_SEND(1), {0xA5}},
+
+ {LCM_SEND(14), {0xF0,0x00,0x03,0x0b,0x0c,0x29,0x2e,0x44,0x41,0x17,0x11,0x13,0x16,0x1b}},
+ {LCM_SEND(14), {0xF0,0x00,0x02,0x06,0x06,0x24,0x2a,0x43,0x3e,0x2d,0x1a,0x16,0x13,0x17}},
+ {LCM_SEND(3), {0x00,0x00,0x01}},
+
+ {LCM_SEND(1), {0x3C}},
+ {LCM_SEND(1), {0x69}},
+
+ {LCM_SEND(1), 1, {0x00}},
+ {LCM_SLEEP(20)},
+};
+
+static LCM_Init_Code sleep_in[] = {
+ {LCM_SEND(1), {0x28}},
+ {LCM_SLEEP(50)}, //>150ms
+ {LCM_SEND(1), {0x10}},
+ {LCM_SLEEP(120)}, //>150ms
+};
+
+static LCM_Init_Code sleep_out[] = {
+ {LCM_SEND(1), {0x11}},
+ {LCM_SLEEP(120)},//>120ms
+ {LCM_SEND(1), {0x29}},
+ {LCM_SLEEP(50)}, //>20ms
+};
+
+static int32_t st7796s_mipi_init(struct panel_spec *self)
+{
+ 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("kernel ili9486s1_mipi_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){
+ msleep(init->tag & LCM_TAG_MASK);
+ }
+ init++;
+ }
+ mipi_eotp_set(0,0);
+
+ return 0;
+}
+
+
+static uint32_t st7796s_readid(struct panel_spec *self)
+{
+ printk("lcd_dummy read id!\n");
+ printk("lcd_dummy read id success!\n");
+ return 0x7796;
+}
+
+
+static int32_t st7796s_enter_sleep(struct panel_spec *self, uint8_t is_sleep)
+{
+ int32_t i;
+ 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 nt35502_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;
+}
+
+/* esd check disabled
+static int32_t st7796s_check_esd(struct panel_spec *self)
+{
+ pr_debug("dummy_check_esd!\n");
+ pr_debug("dummy_check_esd OK!\n");
+ return 1;
+} */
+
+
+static struct panel_operations lcd_st7796s_mipi_operations = {
+ .panel_init = st7796s_mipi_init,
+ .panel_readid = st7796s_readid,
+ .panel_enter_sleep = st7796s_enter_sleep,
+ //.panel_esd_check = dummy_check_esd,
+};
+
+
+static struct timing_rgb lcd_st7796s_mipi_timing = {
+ /* unit: pixel */
+ .hfp = 65, //Horizontal front porch
+ .hbp = 10, //Horizontal back porch
+ .hsync = 10,//6,
+ /*unit: line*/
+ .vfp = 8, //Vertical front porch
+ .vbp = 10, //Vertical back porch
+ .vsync = 3,
+};
+
+static struct info_mipi lcd_st7796s_mipi_info = {
+ .work_mode = SPRDFB_MIPI_MODE_VIDEO,
+ .video_bus_width = 18, /*18,16*/
+ .lan_number = 1,
+ .phy_feq = 340*1000,
+ .h_sync_pol = SPRDFB_POLARITY_NEG,
+ .v_sync_pol = SPRDFB_POLARITY_NEG,
+ .de_pol = SPRDFB_POLARITY_POS,
+ .te_pol = SPRDFB_POLARITY_POS,
+ .color_mode_pol = SPRDFB_POLARITY_POS,
+ .shut_down_pol = SPRDFB_POLARITY_NEG,
+ .timing = &lcd_st7796s_mipi_timing,
+ .ops = NULL,
+};
+
+// DONE
+
+struct panel_spec lcd_st7796s_mipi_spec = {
+ .width = 320,
+ .height = 480,
+ .fps = 60,
+ .type = LCD_MODE_DSI,
+ .direction = LCD_DIRECT_NORMAL,
+ //.is_clean_lcd = true,
+ .info = {
+ .mipi = &lcd_st7796s_mipi_info
+ },
+ .ops = &lcd_st7796s_mipi_operations,
+};
+
+struct panel_cfg lcd_st7796s_mipi = {
+ .dev_id = SPRDFB_MAINLCD_ID,
+ .lcd_id = 0x7796,
+ .lcd_name = "lcd_st7796s_mipi",
+ .panel = &lcd_st7796s_mipi_spec,
+};
+
+static int __init lcd_st7796s_mipi_init(void)
+{
+ return sprdfb_panel_register(&lcd_st7796s_mipi);
+}
+
+subsys_initcall(lcd_st7796s_mipi_init);
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