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path: root/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
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Diffstat (limited to 'drivers/gpu/drm/panel/panel-ilitek-ili9881c.c')
-rw-r--r--drivers/gpu/drm/panel/panel-ilitek-ili9881c.c277
1 files changed, 255 insertions, 22 deletions
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index 3ed8635a6fbd..0145129d7c66 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -10,6 +10,7 @@
#include <linux/fb.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
@@ -20,14 +21,6 @@
#include <video/mipi_display.h>
-struct ili9881c {
- struct drm_panel panel;
- struct mipi_dsi_device *dsi;
-
- struct regulator *power;
- struct gpio_desc *reset;
-};
-
enum ili9881c_op {
ILI9881C_SWITCH_PAGE,
ILI9881C_COMMAND,
@@ -45,6 +38,21 @@ struct ili9881c_instr {
} arg;
};
+struct ili9881c_desc {
+ const struct ili9881c_instr *init;
+ const size_t init_length;
+ const struct drm_display_mode *mode;
+};
+
+struct ili9881c {
+ struct drm_panel panel;
+ struct mipi_dsi_device *dsi;
+ const struct ili9881c_desc *desc;
+
+ struct regulator *power;
+ struct gpio_desc *reset;
+};
+
#define ILI9881C_SWITCH_PAGE_INSTR(_page) \
{ \
.op = ILI9881C_SWITCH_PAGE, \
@@ -64,7 +72,7 @@ struct ili9881c_instr {
}, \
}
-static const struct ili9881c_instr ili9881c_init[] = {
+static const struct ili9881c_instr lhr050h41_init[] = {
ILI9881C_SWITCH_PAGE_INSTR(3),
ILI9881C_COMMAND_INSTR(0x01, 0x00),
ILI9881C_COMMAND_INSTR(0x02, 0x00),
@@ -252,6 +260,199 @@ static const struct ili9881c_instr ili9881c_init[] = {
ILI9881C_COMMAND_INSTR(0xD3, 0x3F),
};
+static const struct ili9881c_instr k101_im2byl02_init[] = {
+ ILI9881C_SWITCH_PAGE_INSTR(3),
+ ILI9881C_COMMAND_INSTR(0x01, 0x00),
+ ILI9881C_COMMAND_INSTR(0x02, 0x00),
+ ILI9881C_COMMAND_INSTR(0x03, 0x73),
+ ILI9881C_COMMAND_INSTR(0x04, 0x00),
+ ILI9881C_COMMAND_INSTR(0x05, 0x00),
+ ILI9881C_COMMAND_INSTR(0x06, 0x08),
+ ILI9881C_COMMAND_INSTR(0x07, 0x00),
+ ILI9881C_COMMAND_INSTR(0x08, 0x00),
+ ILI9881C_COMMAND_INSTR(0x09, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0A, 0x01),
+ ILI9881C_COMMAND_INSTR(0x0B, 0x01),
+ ILI9881C_COMMAND_INSTR(0x0C, 0x00),
+ ILI9881C_COMMAND_INSTR(0x0D, 0x01),
+ ILI9881C_COMMAND_INSTR(0x0E, 0x01),
+ ILI9881C_COMMAND_INSTR(0x0F, 0x00),
+ ILI9881C_COMMAND_INSTR(0x10, 0x00),
+ ILI9881C_COMMAND_INSTR(0x11, 0x00),
+ ILI9881C_COMMAND_INSTR(0x12, 0x00),
+ ILI9881C_COMMAND_INSTR(0x13, 0x00),
+ ILI9881C_COMMAND_INSTR(0x14, 0x00),
+ ILI9881C_COMMAND_INSTR(0x15, 0x00),
+ ILI9881C_COMMAND_INSTR(0x16, 0x00),
+ ILI9881C_COMMAND_INSTR(0x17, 0x00),
+ ILI9881C_COMMAND_INSTR(0x18, 0x00),
+ ILI9881C_COMMAND_INSTR(0x19, 0x00),
+ ILI9881C_COMMAND_INSTR(0x1A, 0x00),
+ ILI9881C_COMMAND_INSTR(0x1B, 0x00),
+ ILI9881C_COMMAND_INSTR(0x1C, 0x00),
+ ILI9881C_COMMAND_INSTR(0x1D, 0x00),
+ ILI9881C_COMMAND_INSTR(0x1E, 0x40),
+ ILI9881C_COMMAND_INSTR(0x1F, 0xC0),
+ ILI9881C_COMMAND_INSTR(0x20, 0x06),
+ ILI9881C_COMMAND_INSTR(0x21, 0x01),
+ ILI9881C_COMMAND_INSTR(0x22, 0x06),
+ ILI9881C_COMMAND_INSTR(0x23, 0x01),
+ ILI9881C_COMMAND_INSTR(0x24, 0x88),
+ ILI9881C_COMMAND_INSTR(0x25, 0x88),
+ ILI9881C_COMMAND_INSTR(0x26, 0x00),
+ ILI9881C_COMMAND_INSTR(0x27, 0x00),
+ ILI9881C_COMMAND_INSTR(0x28, 0x3B),
+ ILI9881C_COMMAND_INSTR(0x29, 0x03),
+ ILI9881C_COMMAND_INSTR(0x2A, 0x00),
+ ILI9881C_COMMAND_INSTR(0x2B, 0x00),
+ ILI9881C_COMMAND_INSTR(0x2C, 0x00),
+ ILI9881C_COMMAND_INSTR(0x2D, 0x00),
+ ILI9881C_COMMAND_INSTR(0x2E, 0x00),
+ ILI9881C_COMMAND_INSTR(0x2F, 0x00),
+ ILI9881C_COMMAND_INSTR(0x30, 0x00),
+ ILI9881C_COMMAND_INSTR(0x31, 0x00),
+ ILI9881C_COMMAND_INSTR(0x32, 0x00),
+ ILI9881C_COMMAND_INSTR(0x33, 0x00),
+ ILI9881C_COMMAND_INSTR(0x34, 0x00), /* GPWR1/2 non overlap time 2.62us */
+ ILI9881C_COMMAND_INSTR(0x35, 0x00),
+ ILI9881C_COMMAND_INSTR(0x36, 0x00),
+ ILI9881C_COMMAND_INSTR(0x37, 0x00),
+ ILI9881C_COMMAND_INSTR(0x38, 0x00),
+ ILI9881C_COMMAND_INSTR(0x39, 0x00),
+ ILI9881C_COMMAND_INSTR(0x3A, 0x00),
+ ILI9881C_COMMAND_INSTR(0x3B, 0x00),
+ ILI9881C_COMMAND_INSTR(0x3C, 0x00),
+ ILI9881C_COMMAND_INSTR(0x3D, 0x00),
+ ILI9881C_COMMAND_INSTR(0x3E, 0x00),
+ ILI9881C_COMMAND_INSTR(0x3F, 0x00),
+ ILI9881C_COMMAND_INSTR(0x40, 0x00),
+ ILI9881C_COMMAND_INSTR(0x41, 0x00),
+ ILI9881C_COMMAND_INSTR(0x42, 0x00),
+ ILI9881C_COMMAND_INSTR(0x43, 0x00),
+ ILI9881C_COMMAND_INSTR(0x44, 0x00),
+ ILI9881C_COMMAND_INSTR(0x50, 0x01),
+ ILI9881C_COMMAND_INSTR(0x51, 0x23),
+ ILI9881C_COMMAND_INSTR(0x52, 0x45),
+ ILI9881C_COMMAND_INSTR(0x53, 0x67),
+ ILI9881C_COMMAND_INSTR(0x54, 0x89),
+ ILI9881C_COMMAND_INSTR(0x55, 0xAB),
+ ILI9881C_COMMAND_INSTR(0x56, 0x01),
+ ILI9881C_COMMAND_INSTR(0x57, 0x23),
+ ILI9881C_COMMAND_INSTR(0x58, 0x45),
+ ILI9881C_COMMAND_INSTR(0x59, 0x67),
+ ILI9881C_COMMAND_INSTR(0x5A, 0x89),
+ ILI9881C_COMMAND_INSTR(0x5B, 0xAB),
+ ILI9881C_COMMAND_INSTR(0x5C, 0xCD),
+ ILI9881C_COMMAND_INSTR(0x5D, 0xEF),
+ ILI9881C_COMMAND_INSTR(0x5E, 0x00),
+ ILI9881C_COMMAND_INSTR(0x5F, 0x01),
+ ILI9881C_COMMAND_INSTR(0x60, 0x01),
+ ILI9881C_COMMAND_INSTR(0x61, 0x06),
+ ILI9881C_COMMAND_INSTR(0x62, 0x06),
+ ILI9881C_COMMAND_INSTR(0x63, 0x07),
+ ILI9881C_COMMAND_INSTR(0x64, 0x07),
+ ILI9881C_COMMAND_INSTR(0x65, 0x00),
+ ILI9881C_COMMAND_INSTR(0x66, 0x00),
+ ILI9881C_COMMAND_INSTR(0x67, 0x02),
+ ILI9881C_COMMAND_INSTR(0x68, 0x02),
+ ILI9881C_COMMAND_INSTR(0x69, 0x05),
+ ILI9881C_COMMAND_INSTR(0x6A, 0x05),
+ ILI9881C_COMMAND_INSTR(0x6B, 0x02),
+ ILI9881C_COMMAND_INSTR(0x6C, 0x0D),
+ ILI9881C_COMMAND_INSTR(0x6D, 0x0D),
+ ILI9881C_COMMAND_INSTR(0x6E, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x6F, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x70, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x71, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x72, 0x0E),
+ ILI9881C_COMMAND_INSTR(0x73, 0x0E),
+ ILI9881C_COMMAND_INSTR(0x74, 0x02),
+ ILI9881C_COMMAND_INSTR(0x75, 0x01),
+ ILI9881C_COMMAND_INSTR(0x76, 0x01),
+ ILI9881C_COMMAND_INSTR(0x77, 0x06),
+ ILI9881C_COMMAND_INSTR(0x78, 0x06),
+ ILI9881C_COMMAND_INSTR(0x79, 0x07),
+ ILI9881C_COMMAND_INSTR(0x7A, 0x07),
+ ILI9881C_COMMAND_INSTR(0x7B, 0x00),
+ ILI9881C_COMMAND_INSTR(0x7C, 0x00),
+ ILI9881C_COMMAND_INSTR(0x7D, 0x02),
+ ILI9881C_COMMAND_INSTR(0x7E, 0x02),
+ ILI9881C_COMMAND_INSTR(0x7F, 0x05),
+ ILI9881C_COMMAND_INSTR(0x80, 0x05),
+ ILI9881C_COMMAND_INSTR(0x81, 0x02),
+ ILI9881C_COMMAND_INSTR(0x82, 0x0D),
+ ILI9881C_COMMAND_INSTR(0x83, 0x0D),
+ ILI9881C_COMMAND_INSTR(0x84, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x85, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x86, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x87, 0x0F),
+ ILI9881C_COMMAND_INSTR(0x88, 0x0E),
+ ILI9881C_COMMAND_INSTR(0x89, 0x0E),
+ ILI9881C_COMMAND_INSTR(0x8A, 0x02),
+ ILI9881C_SWITCH_PAGE_INSTR(4),
+ ILI9881C_COMMAND_INSTR(0x3B, 0xC0), /* ILI4003D sel */
+ ILI9881C_COMMAND_INSTR(0x6C, 0x15), /* Set VCORE voltage = 1.5V */
+ ILI9881C_COMMAND_INSTR(0x6E, 0x2A), /* di_pwr_reg=0 for power mode 2A, VGH clamp 18V */
+ ILI9881C_COMMAND_INSTR(0x6F, 0x33), /* pumping ratio VGH=5x VGL=-3x */
+ ILI9881C_COMMAND_INSTR(0x8D, 0x1B), /* VGL clamp -10V */
+ ILI9881C_COMMAND_INSTR(0x87, 0xBA), /* ESD */
+ ILI9881C_COMMAND_INSTR(0x3A, 0x24), /* POWER SAVING */
+ ILI9881C_COMMAND_INSTR(0x26, 0x76),
+ ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
+ ILI9881C_SWITCH_PAGE_INSTR(1),
+ ILI9881C_COMMAND_INSTR(0x22, 0x0A), /* BGR, SS */
+ ILI9881C_COMMAND_INSTR(0x31, 0x00), /* Zigzag type3 inversion */
+ ILI9881C_COMMAND_INSTR(0x40, 0x53), /* ILI4003D sel */
+ ILI9881C_COMMAND_INSTR(0x43, 0x66),
+ ILI9881C_COMMAND_INSTR(0x53, 0x4C),
+ ILI9881C_COMMAND_INSTR(0x50, 0x87),
+ ILI9881C_COMMAND_INSTR(0x51, 0x82),
+ ILI9881C_COMMAND_INSTR(0x60, 0x15),
+ ILI9881C_COMMAND_INSTR(0x61, 0x01),
+ ILI9881C_COMMAND_INSTR(0x62, 0x0C),
+ ILI9881C_COMMAND_INSTR(0x63, 0x00),
+ ILI9881C_COMMAND_INSTR(0xA0, 0x00),
+ ILI9881C_COMMAND_INSTR(0xA1, 0x13), /* VP251 */
+ ILI9881C_COMMAND_INSTR(0xA2, 0x23), /* VP247 */
+ ILI9881C_COMMAND_INSTR(0xA3, 0x14), /* VP243 */
+ ILI9881C_COMMAND_INSTR(0xA4, 0x16), /* VP239 */
+ ILI9881C_COMMAND_INSTR(0xA5, 0x29), /* VP231 */
+ ILI9881C_COMMAND_INSTR(0xA6, 0x1E), /* VP219 */
+ ILI9881C_COMMAND_INSTR(0xA7, 0x1D), /* VP203 */
+ ILI9881C_COMMAND_INSTR(0xA8, 0x86), /* VP175 */
+ ILI9881C_COMMAND_INSTR(0xA9, 0x1E), /* VP144 */
+ ILI9881C_COMMAND_INSTR(0xAA, 0x29), /* VP111 */
+ ILI9881C_COMMAND_INSTR(0xAB, 0x74), /* VP80 */
+ ILI9881C_COMMAND_INSTR(0xAC, 0x19), /* VP52 */
+ ILI9881C_COMMAND_INSTR(0xAD, 0x17), /* VP36 */
+ ILI9881C_COMMAND_INSTR(0xAE, 0x4B), /* VP24 */
+ ILI9881C_COMMAND_INSTR(0xAF, 0x20), /* VP16 */
+ ILI9881C_COMMAND_INSTR(0xB0, 0x26), /* VP12 */
+ ILI9881C_COMMAND_INSTR(0xB1, 0x4C), /* VP8 */
+ ILI9881C_COMMAND_INSTR(0xB2, 0x5D), /* VP4 */
+ ILI9881C_COMMAND_INSTR(0xB3, 0x3F), /* VP0 */
+ ILI9881C_COMMAND_INSTR(0xC0, 0x00), /* VN255 GAMMA N */
+ ILI9881C_COMMAND_INSTR(0xC1, 0x13), /* VN251 */
+ ILI9881C_COMMAND_INSTR(0xC2, 0x23), /* VN247 */
+ ILI9881C_COMMAND_INSTR(0xC3, 0x14), /* VN243 */
+ ILI9881C_COMMAND_INSTR(0xC4, 0x16), /* VN239 */
+ ILI9881C_COMMAND_INSTR(0xC5, 0x29), /* VN231 */
+ ILI9881C_COMMAND_INSTR(0xC6, 0x1E), /* VN219 */
+ ILI9881C_COMMAND_INSTR(0xC7, 0x1D), /* VN203 */
+ ILI9881C_COMMAND_INSTR(0xC8, 0x86), /* VN175 */
+ ILI9881C_COMMAND_INSTR(0xC9, 0x1E), /* VN144 */
+ ILI9881C_COMMAND_INSTR(0xCA, 0x29), /* VN111 */
+ ILI9881C_COMMAND_INSTR(0xCB, 0x74), /* VN80 */
+ ILI9881C_COMMAND_INSTR(0xCC, 0x19), /* VN52 */
+ ILI9881C_COMMAND_INSTR(0xCD, 0x17), /* VN36 */
+ ILI9881C_COMMAND_INSTR(0xCE, 0x4B), /* VN24 */
+ ILI9881C_COMMAND_INSTR(0xCF, 0x20), /* VN16 */
+ ILI9881C_COMMAND_INSTR(0xD0, 0x26), /* VN12 */
+ ILI9881C_COMMAND_INSTR(0xD1, 0x4C), /* VN8 */
+ ILI9881C_COMMAND_INSTR(0xD2, 0x5D), /* VN4 */
+ ILI9881C_COMMAND_INSTR(0xD3, 0x3F), /* VN0 */
+};
+
static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
{
return container_of(panel, struct ili9881c, panel);
@@ -311,8 +512,8 @@ static int ili9881c_prepare(struct drm_panel *panel)
gpiod_set_value(ctx->reset, 0);
msleep(20);
- for (i = 0; i < ARRAY_SIZE(ili9881c_init); i++) {
- const struct ili9881c_instr *instr = &ili9881c_init[i];
+ for (i = 0; i < ctx->desc->init_length; i++) {
+ const struct ili9881c_instr *instr = &ctx->desc->init[i];
if (instr->op == ILI9881C_SWITCH_PAGE)
ret = ili9881c_switch_page(ctx, instr->arg.page);
@@ -368,7 +569,7 @@ static int ili9881c_unprepare(struct drm_panel *panel)
return 0;
}
-static const struct drm_display_mode bananapi_default_mode = {
+static const struct drm_display_mode lhr050h41_default_mode = {
.clock = 62000,
.hdisplay = 720,
@@ -380,6 +581,26 @@ static const struct drm_display_mode bananapi_default_mode = {
.vsync_start = 1280 + 10,
.vsync_end = 1280 + 10 + 10,
.vtotal = 1280 + 10 + 10 + 20,
+
+ .width_mm = 62,
+ .height_mm = 110,
+};
+
+static const struct drm_display_mode k101_im2byl02_default_mode = {
+ .clock = 69700,
+
+ .hdisplay = 800,
+ .hsync_start = 800 + 6,
+ .hsync_end = 800 + 6 + 15,
+ .htotal = 800 + 6 + 15 + 16,
+
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 8,
+ .vsync_end = 1280 + 8 + 48,
+ .vtotal = 1280 + 8 + 48 + 52,
+
+ .width_mm = 135,
+ .height_mm = 217,
};
static int ili9881c_get_modes(struct drm_panel *panel,
@@ -388,12 +609,12 @@ static int ili9881c_get_modes(struct drm_panel *panel,
struct ili9881c *ctx = panel_to_ili9881c(panel);
struct drm_display_mode *mode;
- mode = drm_mode_duplicate(connector->dev, &bananapi_default_mode);
+ mode = drm_mode_duplicate(connector->dev, ctx->desc->mode);
if (!mode) {
dev_err(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n",
- bananapi_default_mode.hdisplay,
- bananapi_default_mode.vdisplay,
- drm_mode_vrefresh(&bananapi_default_mode));
+ ctx->desc->mode->hdisplay,
+ ctx->desc->mode->vdisplay,
+ drm_mode_vrefresh(ctx->desc->mode));
return -ENOMEM;
}
@@ -402,8 +623,8 @@ static int ili9881c_get_modes(struct drm_panel *panel,
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
- connector->display_info.width_mm = 62;
- connector->display_info.height_mm = 110;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
return 1;
}
@@ -426,6 +647,7 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
return -ENOMEM;
mipi_dsi_set_drvdata(dsi, ctx);
ctx->dsi = dsi;
+ ctx->desc = of_device_get_match_data(&dsi->dev);
drm_panel_init(&ctx->panel, &dsi->dev, &ili9881c_funcs,
DRM_MODE_CONNECTOR_DSI);
@@ -446,9 +668,7 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
if (ret)
return ret;
- ret = drm_panel_add(&ctx->panel);
- if (ret < 0)
- return ret;
+ drm_panel_add(&ctx->panel);
dsi->mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
dsi->format = MIPI_DSI_FMT_RGB888;
@@ -467,8 +687,21 @@ static int ili9881c_dsi_remove(struct mipi_dsi_device *dsi)
return 0;
}
+static const struct ili9881c_desc lhr050h41_desc = {
+ .init = lhr050h41_init,
+ .init_length = ARRAY_SIZE(lhr050h41_init),
+ .mode = &lhr050h41_default_mode,
+};
+
+static const struct ili9881c_desc k101_im2byl02_desc = {
+ .init = k101_im2byl02_init,
+ .init_length = ARRAY_SIZE(k101_im2byl02_init),
+ .mode = &k101_im2byl02_default_mode,
+};
+
static const struct of_device_id ili9881c_of_match[] = {
- { .compatible = "bananapi,lhr050h41" },
+ { .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc },
+ { .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc },
{ }
};
MODULE_DEVICE_TABLE(of, ili9881c_of_match);