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path: root/drivers/video/sprdfb/lcd/lcd_ili9486_rgb_spi.c
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Diffstat (limited to 'drivers/video/sprdfb/lcd/lcd_ili9486_rgb_spi.c')
-rw-r--r--drivers/video/sprdfb/lcd/lcd_ili9486_rgb_spi.c397
1 files changed, 397 insertions, 0 deletions
diff --git a/drivers/video/sprdfb/lcd/lcd_ili9486_rgb_spi.c b/drivers/video/sprdfb/lcd/lcd_ili9486_rgb_spi.c
new file mode 100644
index 00000000..1eac114c
--- /dev/null
+++ b/drivers/video/sprdfb/lcd/lcd_ili9486_rgb_spi.c
@@ -0,0 +1,397 @@
+/* drivers/video/sc8810/lcd_ili9486_rgb_spi.c
+ *
+ *
+ *
+ *
+ * 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/delay.h>
+#include "../sprdfb_panel.h"
+
+#define ili9486_SpiWriteCmd(cmd) \
+{ \
+ spi_send_cmd((cmd & 0xFF));\
+}
+
+#define ili9486_SpiWriteData(data)\
+{ \
+ spi_send_data((data & 0xFF));\
+}
+
+
+static int32_t ili9486_init(struct panel_spec *self)
+{
+ uint32_t test_data[8] = {0};
+ uint32_t left = 0;
+ uint32_t top = 0;
+ uint32_t right = 480;
+ uint32_t bottom = 854;
+ uint32_t data = 0;
+ spi_send_cmd_t spi_send_cmd = self->info.rgb->bus_info.spi->ops->spi_send_cmd;
+ spi_send_data_t spi_send_data = self->info.rgb->bus_info.spi->ops->spi_send_data;
+ spi_read_t spi_read = self->info.rgb->bus_info.spi->ops->spi_read;
+
+
+ printk("ili9486_init\n");
+
+ ili9486_SpiWriteCmd(0xC0);
+
+ ili9486_SpiWriteData(0x15);
+ ili9486_SpiWriteData(0x15);
+
+ ili9486_SpiWriteCmd(0xC1);
+ ili9486_SpiWriteData(0x42);
+
+ ili9486_SpiWriteCmd(0xC2);
+ ili9486_SpiWriteData(0x22);
+
+ ili9486_SpiWriteCmd(0xC5);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x3A);
+
+ //Display parameter setting
+ ili9486_SpiWriteCmd(0x2A);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x01);
+ ili9486_SpiWriteData(0x3F);
+
+ ili9486_SpiWriteCmd(0x2B);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x01);
+ ili9486_SpiWriteData(0xDF);
+
+ ili9486_SpiWriteCmd(0x36);
+ ili9486_SpiWriteData(0x08);
+
+ ili9486_SpiWriteCmd(0x35);
+ ili9486_SpiWriteData(0x00);
+
+ ili9486_SpiWriteCmd(0x3A);
+ ili9486_SpiWriteData(0x66);
+
+ ili9486_SpiWriteCmd(0xB0);
+ ili9486_SpiWriteData(0x80);
+
+ ili9486_SpiWriteCmd(0xB4);
+ ili9486_SpiWriteData(0x02);
+
+ ili9486_SpiWriteCmd(0xB5);
+ ili9486_SpiWriteData(0x0C);
+ ili9486_SpiWriteData(0x08);
+ ili9486_SpiWriteData(0x2C);
+ ili9486_SpiWriteData(0x26);
+
+ ili9486_SpiWriteCmd(0xB6);
+ ili9486_SpiWriteData(0x20);
+ ili9486_SpiWriteData(0x42);//0x42
+ ili9486_SpiWriteData(0x3B);
+
+ ili9486_SpiWriteCmd(0xB7);
+ ili9486_SpiWriteData(0x07);
+
+ ili9486_SpiWriteCmd(0xF9);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x08);
+
+ //Gamma setting
+ ili9486_SpiWriteCmd(0xE0);
+ ili9486_SpiWriteData(0x1E);
+ ili9486_SpiWriteData(0x21);
+ ili9486_SpiWriteData(0x1F);
+ ili9486_SpiWriteData(0x0C);
+ ili9486_SpiWriteData(0x0B);
+ ili9486_SpiWriteData(0x0C);
+ ili9486_SpiWriteData(0x4E);
+ ili9486_SpiWriteData(0xB9);
+ ili9486_SpiWriteData(0x40);
+ ili9486_SpiWriteData(0x07);
+ ili9486_SpiWriteData(0x16);
+ ili9486_SpiWriteData(0x06);
+ ili9486_SpiWriteData(0x12);
+ ili9486_SpiWriteData(0x12);
+ ili9486_SpiWriteData(0x00);
+
+ ili9486_SpiWriteCmd(0xE1);
+ ili9486_SpiWriteData(0x1F);
+ ili9486_SpiWriteData(0x2A);
+ ili9486_SpiWriteData(0x25);
+ ili9486_SpiWriteData(0x0C);
+ ili9486_SpiWriteData(0x11);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x4C);
+ ili9486_SpiWriteData(0x42);
+ ili9486_SpiWriteData(0x35);
+ ili9486_SpiWriteData(0x08);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x02);
+ ili9486_SpiWriteData(0x26);
+ ili9486_SpiWriteData(0x23);
+ ili9486_SpiWriteData(0x00);
+
+ ili9486_SpiWriteCmd(0xF8);
+ ili9486_SpiWriteData(0x21);
+ ili9486_SpiWriteData(0x07);
+ ili9486_SpiWriteData(0x02);
+
+ ili9486_SpiWriteCmd(0xE2);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x09);
+ ili9486_SpiWriteData(0x00);
+
+ ili9486_SpiWriteCmd(0xE3);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x04);
+ ili9486_SpiWriteData(0x00);
+
+ ili9486_SpiWriteCmd(0xF4);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x08);
+ ili9486_SpiWriteData(0x91);
+ ili9486_SpiWriteData(0x04);
+
+ ili9486_SpiWriteCmd(0xF2);
+ ili9486_SpiWriteData(0x18);
+ ili9486_SpiWriteData(0xA3);
+ ili9486_SpiWriteData(0x12);
+ ili9486_SpiWriteData(0x02);
+ ili9486_SpiWriteData(0x82);
+ ili9486_SpiWriteData(0x32);
+ ili9486_SpiWriteData(0xFF);
+ ili9486_SpiWriteData(0x10);
+ ili9486_SpiWriteData(0x00);
+
+ ili9486_SpiWriteCmd(0xFC);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x00);
+ ili9486_SpiWriteData(0x83);
+
+ //Display on
+ ili9486_SpiWriteCmd(0x11); // (SLPOUT)
+ mdelay(120); // 100ms
+ ili9486_SpiWriteCmd(0x29); // (DISPON)
+ mdelay(10); // 100ms
+ printk("ili9486_init: end\n");
+
+ return 0;
+}
+
+static int32_t ili9486_enter_sleep(struct panel_spec *self, uint8_t is_sleep)
+{
+ spi_send_cmd_t spi_send_cmd = self->info.rgb->bus_info.spi->ops->spi_send_cmd;
+ spi_send_data_t spi_send_data = self->info.rgb->bus_info.spi->ops->spi_send_data;
+
+ if(is_sleep==1){
+ //Sleep In
+ ili9486_SpiWriteCmd(0x28);
+ mdelay(120);
+ ili9486_SpiWriteCmd(0x10);
+ mdelay(10);
+ }else{
+ //Sleep Out
+ ili9486_SpiWriteCmd(0x11);
+ mdelay(120);
+ ili9486_SpiWriteCmd(0x29);
+ mdelay(10);
+ }
+
+ return 0;
+}
+
+
+
+
+static int32_t ili9486_set_window(struct panel_spec *self,
+ uint16_t left, uint16_t top, uint16_t right, uint16_t bottom)
+{
+ uint32_t *test_data[4] = {0};
+ spi_send_cmd_t spi_send_cmd = self->info.rgb->bus_info.spi->ops->spi_send_cmd;
+ spi_send_data_t spi_send_data = self->info.rgb->bus_info.spi->ops->spi_send_data;
+ spi_read_t spi_read = self->info.rgb->bus_info.spi->ops->spi_read;
+ return 0;
+}
+static int32_t ili9486_invalidate(struct panel_spec *self)
+{
+ return self->ops->panel_set_window(self, 0, 0,
+ self->width - 1, self->height - 1);
+}
+
+static int32_t ili9486_invalidate_rect(struct panel_spec *self,
+ uint16_t left, uint16_t top,
+ uint16_t right, uint16_t bottom)
+{
+ return self->ops->panel_set_window(self, left, top,
+ right, bottom);
+}
+
+static int32_t ili9486_read_id(struct panel_spec *self)
+{
+ int32_t id = 0x62;
+ spi_send_cmd_t spi_send_cmd = self->info.rgb->bus_info.spi->ops->spi_send_cmd;
+ spi_send_data_t spi_send_data = self->info.rgb->bus_info.spi->ops->spi_send_data;
+ spi_read_t spi_read = self->info.rgb->bus_info.spi->ops->spi_read;
+
+ printk("sprdfb ili9486_read_id \n");
+ ili9486_SpiWriteCmd(0xB9); // SET password
+ ili9486_SpiWriteData(0xFF); //
+ ili9486_SpiWriteData(0x83); //
+ ili9486_SpiWriteData(0x63); //
+
+ ili9486_SpiWriteCmd(0xFE); // SET SPI READ INDEX
+ ili9486_SpiWriteData(0xF4); // GETHXID
+ ili9486_SpiWriteCmd(0xFF); // GET SPI READ
+
+ spi_read(&id);
+ id &= 0xff;
+ printk(" ili9486_read_id kernel id = %x\n",id);
+ return 0x9486;
+}
+
+static struct panel_operations lcd_ili9486_rgb_spi_operations = {
+ .panel_init = ili9486_init,
+ .panel_set_window = ili9486_set_window,
+ .panel_invalidate_rect= ili9486_invalidate_rect,
+ .panel_invalidate = ili9486_invalidate,
+ .panel_enter_sleep = ili9486_enter_sleep,
+ .panel_readid = ili9486_read_id
+};
+
+static struct timing_rgb lcd_ili9486_rgb_timing = {
+ .hfp = 30,
+ .hbp = 26,
+ .hsync = 4,
+ .vfp = 12,
+ .vbp = 8,
+ .vsync = 2,
+};
+
+static struct spi_info lcd_ili9486_rgb_spi_info = {
+ .ops = NULL,
+};
+
+static struct info_rgb lcd_ili9486_rgb_info = {
+ .cmd_bus_mode = SPRDFB_RGB_BUS_TYPE_SPI,
+ .video_bus_width = 18, /*18,16*/
+ .h_sync_pol = SPRDFB_POLARITY_NEG,
+ .v_sync_pol = SPRDFB_POLARITY_NEG,
+ .de_pol = SPRDFB_POLARITY_POS,
+ .timing = &lcd_ili9486_rgb_timing,
+ .bus_info = {
+ .spi = &lcd_ili9486_rgb_spi_info,
+ }
+};
+
+struct panel_spec lcd_panel_ili9486_rgb_spi = {
+ .width = 320,
+ .height = 480,
+ .fps = 61,
+ .type = LCD_MODE_RGB,
+ .direction = LCD_DIRECT_NORMAL,
+ .is_clean_lcd = true,
+ .info = {
+ .rgb = &lcd_ili9486_rgb_info
+ },
+ .ops = &lcd_ili9486_rgb_spi_operations,
+};
+
+struct panel_cfg lcd_ili9486_rgb_spi = {
+ /* this panel can only be main lcd */
+ .dev_id = SPRDFB_MAINLCD_ID,
+ .lcd_id = 0x9486,
+ .lcd_name = "lcd_ili9486_rgb_spi",
+ .panel = &lcd_panel_ili9486_rgb_spi,
+};
+static int __init lcd_ili9486_rgb_spi_init(void)
+{
+ return sprdfb_panel_register(&lcd_ili9486_rgb_spi);
+}
+
+subsys_initcall(lcd_ili9486_rgb_spi_init);
+
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-15 15:03:28 +0000