Merge remote-tracking branch 'origin/master'

This commit is contained in:
cuu 2023-07-11 15:07:47 +12:00
commit e057385f7f
8 changed files with 15173 additions and 0 deletions

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# A06 kernel patch for uConsole
based on https://github.com/armbian/build.git
git commit hash: 95c829f9e66451f2bff6f42ab3e61d211212c905
## How to
```
cd
git clone -b master https://github.com/armbian/build.git
cd build
mkdir -p userpatches/kernel/rockchip64-current/
wget https://raw.githubusercontent.com/clockworkpi/uConsole/master/Code/patch/a06/20230630/drivers_network.sh.patch
wget https://raw.githubusercontent.com/clockworkpi/uConsole/master/Code/patch/a06/20230630/z-10000_a06_sound_230701.patch -O userpatches/kernel/rockchip64-current/z-10000_a06_sound_230701.patch
wget https://raw.githubusercontent.com/clockworkpi/uConsole/master/Code/patch/a06/20230630/z-10000_a06_uc_panel_230701.patch -O userpatches/kernel/rockchip64-current/z-10000_a06_uc_panel_230701.patch
git apply drivers_network.sh.patch
./compile.sh BOARD=clockworkpi-a06 BRANCH=current BUILD_MINIMAL=no BUILD_DESKTOP=no BUILD_ONLY=u-boot,kernel,armbian-config,armbian-zsh,plymouth-theme-armbian,armbian-firmware,armbian-bsp KERNEL_CONFIGURE=no
```
## debs
Compile.sh will generate the following packages:
```
output/debs/linux-dtb-current-rockchip64_23.02.0-trunk_arm64.deb
output/debs/linux-image-current-rockchip64_23.02.0-trunk_arm64.deb
```
and are not able to be installed on the A06 OS image due to being masked.
The reason for masking these packages is to prevent the A06 kernel from being replaced/updated during the apt upgrade process.

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diff --git a/lib/functions/compilation/patch/drivers_network.sh b/lib/functions/compilation/patch/drivers_network.sh
index b54e40adc..c1c7d6cfb 100644
--- a/lib/functions/compilation/patch/drivers_network.sh
+++ b/lib/functions/compilation/patch/drivers_network.sh
@@ -225,11 +225,11 @@ driver_rtl8811CU_rtl8821C()
if linux-version compare "${version}" ge 3.14 && [ "$EXTRAWIFI" == yes ]; then
# attach to specifics tag or branch
- local rtl8811cuver="commit:7b8c45a270454f05e2dbf3beeb4afcf817db65da"
+ local rtl8811cuver="commit:dc9ee6c6a8b47d0e365fcf1977439c7243da71d5"
display_alert "Adding" "Wireless drivers for Realtek RTL8811CU and RTL8821C chipsets ${rtl8811cuver}" "info"
- fetch_from_repo "$GITHUB_SOURCE/morrownr/8821cu-20210118" "rtl8811cu" "${rtl8811cuver}" "yes"
+ fetch_from_repo "$GITHUB_SOURCE/morrownr/8821cu-20210916" "rtl8811cu" "${rtl8811cuver}" "yes"
cd "$kerneldir" || exit
rm -rf "$kerneldir/drivers/net/wireless/rtl8811cu"
mkdir -p "$kerneldir/drivers/net/wireless/rtl8811cu/"

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diff --git a/sound/soc/codecs/es8328.c b/sound/soc/codecs/es8328.c
index a7ab8dcc7..7518bbeb2 100644
--- a/sound/soc/codecs/es8328.c
+++ b/sound/soc/codecs/es8328.c
@@ -253,11 +253,11 @@ static const struct snd_kcontrol_new es8328_snd_controls[] = {
SOC_DOUBLE_R_TLV("Output 1 Playback Volume",
ES8328_LOUT1VOL, ES8328_ROUT1VOL,
0, ES8328_OUT1VOL_MAX, 0, play_tlv),
-
+/*
SOC_DOUBLE_R_TLV("Output 2 Playback Volume",
ES8328_LOUT2VOL, ES8328_ROUT2VOL,
0, ES8328_OUT2VOL_MAX, 0, play_tlv),
-
+*/
SOC_DOUBLE_TLV("Mic PGA Volume", ES8328_ADCCONTROL1,
4, 0, 8, 0, mic_tlv),
};
@@ -871,6 +871,10 @@ static int es8328_component_probe(struct snd_soc_component *component)
ES8328_DACCONTROL17_LD2LO, ES8328_DACCONTROL17_LD2LO);
snd_soc_component_update_bits(component, ES8328_DACCONTROL20,
ES8328_DACCONTROL20_RD2RO, ES8328_DACCONTROL20_RD2RO);
+ snd_soc_component_update_bits(component, ES8328_LOUT2VOL,
+ 0x3f, 0x1e);
+ snd_soc_component_update_bits(component, ES8328_ROUT2VOL,
+ 0x3f, 0x1e);
}
return 0;
@@ -893,6 +897,7 @@ static void es8328_remove(struct snd_soc_component *component)
}
const struct regmap_config es8328_regmap_config = {
+ .name = "es8328",
.reg_bits = 8,
.val_bits = 8,
.max_register = ES8328_REG_MAX,

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diff --git a/arch/arm64/boot/dts/rockchip/rk3399-clockworkpi-a06.dts b/arch/arm64/boot/dts/rockchip/rk3399-clockworkpi-a06.dts
index b4e3324c1..3a1f950c1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-clockworkpi-a06.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-clockworkpi-a06.dts
@@ -304,7 +304,7 @@ mipi_dsi_out: endpoint {
};
dsi_panel: panel {
- compatible = "cw,cwd686";
+ compatible = "cw,cwu50";
reg = <0>;
backlight = <&ocp8178_backlight>;
reset-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_LOW>;
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 78854de4b..69222a60b 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -65,4 +65,4 @@ obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
obj-$(CONFIG_DRM_PANEL_WIDECHIPS_WS2401) += panel-widechips-ws2401.o
obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
-obj-$(CONFIG_DRM_PANEL_CWD686) += panel-cwd686.o
+obj-$(CONFIG_DRM_PANEL_CWD686) += panel-cwd686.o panel-cwu50.o
diff --git a/drivers/gpu/drm/panel/panel-cwu50.c b/drivers/gpu/drm/panel/panel-cwu50.c
new file mode 100644
index 000000000..157834c0f
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-cwu50.c
@@ -0,0 +1,489 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0+
+ * Copyright (c) 2021 Clockwork Tech LLC
+ * Copyright (c) 2021 Max Fierke <max@maxfierke.com>
+ *
+ */
+
+#include <drm/drm_modes.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_panel.h>
+#include <linux/backlight.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+#include <linux/delay.h>
+#include <linux/of_device.h>
+#include <linux/module.h>
+
+struct cwu50 {
+ struct device *dev;
+ struct drm_panel panel;
+ struct regulator *supply;
+ struct gpio_desc *enable_gpio;
+ struct gpio_desc *reset_gpio;
+ struct backlight_device *backlight;
+ bool prepared;
+ bool enabled;
+ enum drm_panel_orientation orientation;
+};
+
+static const struct drm_display_mode default_mode = {
+ .clock = 62500,
+ .hdisplay = 720,
+ .hsync_start = 720 + 43,
+ .hsync_end = 720+ 43 + 20,
+ .htotal = 720 + 43 + 20 + 20,
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 8,
+ .vsync_end = 1280 + 8+ 2,
+ .vtotal = 1280 + 8 + 2 + 16,
+};
+
+static inline struct cwu50 *panel_to_cwu50(struct drm_panel *panel)
+{
+ return container_of(panel, struct cwu50, panel);
+}
+
+#define dcs_write_seq(seq...) \
+({ \
+ static const u8 d[] = { seq }; \
+ mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
+})
+
+static void cwu50_init_sequence(struct cwu50 *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+
+ dcs_write_seq(0xE1,0x93);
+ dcs_write_seq(0xE2,0x65);
+ dcs_write_seq(0xE3,0xF8);
+ dcs_write_seq(0x70,0x20);
+ dcs_write_seq(0x71,0x13);
+ dcs_write_seq(0x72,0x06);
+ dcs_write_seq(0x75,0x03);
+ dcs_write_seq(0xE0,0x01);
+ dcs_write_seq(0x00,0x00);
+ dcs_write_seq(0x01,0x47);//VCOM0x47
+ dcs_write_seq(0x03,0x00);
+ dcs_write_seq(0x04,0x4D);
+ dcs_write_seq(0x0C,0x64);
+ dcs_write_seq(0x17,0x00);
+ dcs_write_seq(0x18,0xBF);
+ dcs_write_seq(0x19,0x00);
+ dcs_write_seq(0x1A,0x00);
+ dcs_write_seq(0x1B,0xBF);
+ dcs_write_seq(0x1C,0x00);
+ dcs_write_seq(0x1F,0x7E);
+ dcs_write_seq(0x20,0x24);
+ dcs_write_seq(0x21,0x24);
+ dcs_write_seq(0x22,0x4E);
+ dcs_write_seq(0x24,0xFE);
+ dcs_write_seq(0x37,0x09);
+ dcs_write_seq(0x38,0x04);
+ dcs_write_seq(0x3C,0x76);
+ dcs_write_seq(0x3D,0xFF);
+ dcs_write_seq(0x3E,0xFF);
+ dcs_write_seq(0x3F,0x7F);
+ dcs_write_seq(0x40,0x04);//Dot inversion type
+ dcs_write_seq(0x41,0xA0);
+ dcs_write_seq(0x44,0x11);
+ dcs_write_seq(0x55,0x02);
+ dcs_write_seq(0x56,0x01);
+ dcs_write_seq(0x57,0x49);
+ dcs_write_seq(0x58,0x09);
+ dcs_write_seq(0x59,0x2A);
+ dcs_write_seq(0x5A,0x1A);
+ dcs_write_seq(0x5B,0x1A);
+ dcs_write_seq(0x5D,0x78);
+ dcs_write_seq(0x5E,0x6E);
+ dcs_write_seq(0x5F,0x66);
+ dcs_write_seq(0x60,0x5E);
+ dcs_write_seq(0x61,0x60);
+ dcs_write_seq(0x62,0x54);
+ dcs_write_seq(0x63,0x5C);
+ dcs_write_seq(0x64,0x47);
+ dcs_write_seq(0x65,0x5F);
+ dcs_write_seq(0x66,0x5D);
+ dcs_write_seq(0x67,0x5B);
+ dcs_write_seq(0x68,0x76);
+ dcs_write_seq(0x69,0x61);
+ dcs_write_seq(0x6A,0x63);
+ dcs_write_seq(0x6B,0x50);
+ dcs_write_seq(0x6C,0x45);
+ dcs_write_seq(0x6D,0x34);
+ dcs_write_seq(0x6E,0x1C);
+ dcs_write_seq(0x6F,0x07);
+ dcs_write_seq(0x70,0x78);
+ dcs_write_seq(0x71,0x6E);
+ dcs_write_seq(0x72,0x66);
+ dcs_write_seq(0x73,0x5E);
+ dcs_write_seq(0x74,0x60);
+ dcs_write_seq(0x75,0x54);
+ dcs_write_seq(0x76,0x5C);
+ dcs_write_seq(0x77,0x47);
+ dcs_write_seq(0x78,0x5F);
+ dcs_write_seq(0x79,0x5D);
+ dcs_write_seq(0x7A,0x5B);
+ dcs_write_seq(0x7B,0x76);
+ dcs_write_seq(0x7C,0x61);
+ dcs_write_seq(0x7D,0x63);
+ dcs_write_seq(0x7E,0x50);
+ dcs_write_seq(0x7F,0x45);
+ dcs_write_seq(0x80,0x34);
+ dcs_write_seq(0x81,0x1C);
+ dcs_write_seq(0x82,0x07);
+ dcs_write_seq(0xE0,0x02);
+ dcs_write_seq(0x00,0x44);
+ dcs_write_seq(0x01,0x46);
+ dcs_write_seq(0x02,0x48);
+ dcs_write_seq(0x03,0x4A);
+ dcs_write_seq(0x04,0x40);
+ dcs_write_seq(0x05,0x42);
+ dcs_write_seq(0x06,0x1F);
+ dcs_write_seq(0x07,0x1F);
+ dcs_write_seq(0x08,0x1F);
+ dcs_write_seq(0x09,0x1F);
+ dcs_write_seq(0x0A,0x1F);
+ dcs_write_seq(0x0B,0x1F);
+ dcs_write_seq(0x0C,0x1F);
+ dcs_write_seq(0x0D,0x1F);
+ dcs_write_seq(0x0E,0x1F);
+ dcs_write_seq(0x0F,0x1F);
+ dcs_write_seq(0x10,0x1F);
+ dcs_write_seq(0x11,0x1F);
+ dcs_write_seq(0x12,0x1F);
+ dcs_write_seq(0x13,0x1F);
+ dcs_write_seq(0x14,0x1E);
+ dcs_write_seq(0x15,0x1F);
+ dcs_write_seq(0x16,0x45);
+ dcs_write_seq(0x17,0x47);
+ dcs_write_seq(0x18,0x49);
+ dcs_write_seq(0x19,0x4B);
+ dcs_write_seq(0x1A,0x41);
+ dcs_write_seq(0x1B,0x43);
+ dcs_write_seq(0x1C,0x1F);
+ dcs_write_seq(0x1D,0x1F);
+ dcs_write_seq(0x1E,0x1F);
+ dcs_write_seq(0x1F,0x1F);
+ dcs_write_seq(0x20,0x1F);
+ dcs_write_seq(0x21,0x1F);
+ dcs_write_seq(0x22,0x1F);
+ dcs_write_seq(0x23,0x1F);
+ dcs_write_seq(0x24,0x1F);
+ dcs_write_seq(0x25,0x1F);
+ dcs_write_seq(0x26,0x1F);
+ dcs_write_seq(0x27,0x1F);
+ dcs_write_seq(0x28,0x1F);
+ dcs_write_seq(0x29,0x1F);
+ dcs_write_seq(0x2A,0x1E);
+ dcs_write_seq(0x2B,0x1F);
+ dcs_write_seq(0x2C,0x0B);
+ dcs_write_seq(0x2D,0x09);
+ dcs_write_seq(0x2E,0x07);
+ dcs_write_seq(0x2F,0x05);
+ dcs_write_seq(0x30,0x03);
+ dcs_write_seq(0x31,0x01);
+ dcs_write_seq(0x32,0x1F);
+ dcs_write_seq(0x33,0x1F);
+ dcs_write_seq(0x34,0x1F);
+ dcs_write_seq(0x35,0x1F);
+ dcs_write_seq(0x36,0x1F);
+ dcs_write_seq(0x37,0x1F);
+ dcs_write_seq(0x38,0x1F);
+ dcs_write_seq(0x39,0x1F);
+ dcs_write_seq(0x3A,0x1F);
+ dcs_write_seq(0x3B,0x1F);
+ dcs_write_seq(0x3C,0x1F);
+ dcs_write_seq(0x3D,0x1F);
+ dcs_write_seq(0x3E,0x1F);
+ dcs_write_seq(0x3F,0x1F);
+ dcs_write_seq(0x40,0x1F);
+ dcs_write_seq(0x41,0x1E);
+ dcs_write_seq(0x42,0x0A);
+ dcs_write_seq(0x43,0x08);
+ dcs_write_seq(0x44,0x06);
+ dcs_write_seq(0x45,0x04);
+ dcs_write_seq(0x46,0x02);
+ dcs_write_seq(0x47,0x00);
+ dcs_write_seq(0x48,0x1F);
+ dcs_write_seq(0x49,0x1F);
+ dcs_write_seq(0x4A,0x1F);
+ dcs_write_seq(0x4B,0x1F);
+ dcs_write_seq(0x4C,0x1F);
+ dcs_write_seq(0x4D,0x1F);
+ dcs_write_seq(0x4E,0x1F);
+ dcs_write_seq(0x4F,0x1F);
+ dcs_write_seq(0x50,0x1F);
+ dcs_write_seq(0x51,0x1F);
+ dcs_write_seq(0x52,0x1F);
+ dcs_write_seq(0x53,0x1F);
+ dcs_write_seq(0x54,0x1F);
+ dcs_write_seq(0x55,0x1F);
+ dcs_write_seq(0x56,0x1F);
+ dcs_write_seq(0x57,0x1E);
+ dcs_write_seq(0x58,0x40);
+ dcs_write_seq(0x59,0x00);
+ dcs_write_seq(0x5A,0x00);
+ dcs_write_seq(0x5B,0x30);
+ dcs_write_seq(0x5C,0x02);
+ dcs_write_seq(0x5D,0x40);
+ dcs_write_seq(0x5E,0x01);
+ dcs_write_seq(0x5F,0x02);
+ dcs_write_seq(0x60,0x00);
+ dcs_write_seq(0x61,0x01);
+ dcs_write_seq(0x62,0x02);
+ dcs_write_seq(0x63,0x65);
+ dcs_write_seq(0x64,0x66);
+ dcs_write_seq(0x65,0x00);
+ dcs_write_seq(0x66,0x00);
+ dcs_write_seq(0x67,0x74);
+ dcs_write_seq(0x68,0x06);
+ dcs_write_seq(0x69,0x65);
+ dcs_write_seq(0x6A,0x66);
+ dcs_write_seq(0x6B,0x10);
+ dcs_write_seq(0x6C,0x00);
+ dcs_write_seq(0x6D,0x04);
+ dcs_write_seq(0x6E,0x04);
+ dcs_write_seq(0x6F,0x88);
+ dcs_write_seq(0x70,0x00);
+ dcs_write_seq(0x71,0x00);
+ dcs_write_seq(0x72,0x06);
+ dcs_write_seq(0x73,0x7B);
+ dcs_write_seq(0x74,0x00);
+ dcs_write_seq(0x75,0x87);
+ dcs_write_seq(0x76,0x00);
+ dcs_write_seq(0x77,0x5D);
+ dcs_write_seq(0x78,0x17);
+ dcs_write_seq(0x79,0x1F);
+ dcs_write_seq(0x7A,0x00);
+ dcs_write_seq(0x7B,0x00);
+ dcs_write_seq(0x7C,0x00);
+ dcs_write_seq(0x7D,0x03);
+ dcs_write_seq(0x7E,0x7B);
+ dcs_write_seq(0xE0,0x04);
+ dcs_write_seq(0x09,0x10);
+ dcs_write_seq(0xE0,0x00);
+ dcs_write_seq(0xE6,0x02);
+ dcs_write_seq(0xE7,0x02);
+ dcs_write_seq(0x11);// SLPOUT
+ msleep (120);
+ dcs_write_seq(0x29);// DSPON
+ msleep (20);
+ dcs_write_seq(0x35,0x00);
+}
+
+static int cwu50_disable(struct drm_panel *panel)
+{
+ struct cwu50 *ctx = panel_to_cwu50(panel);
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ if (!ctx->enabled)
+ return 0;
+
+ backlight_disable(ctx->backlight);
+
+ ctx->enabled = false;
+
+ return 0;
+}
+
+static int cwu50_unprepare(struct drm_panel *panel)
+{
+ struct cwu50 *ctx = panel_to_cwu50(panel);
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ if (!ctx->prepared)
+ return 0;
+
+ ret = mipi_dsi_dcs_set_display_off(dsi);
+ if (ret) {
+ dev_err(ctx->dev, "failed to turn display off (%d)\n", ret);
+ return ret;
+ }
+
+ ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+ if (ret) {
+ dev_err(ctx->dev, "failed to enter sleep mode (%d)\n", ret);
+ return ret;
+ }
+ msleep(120);
+
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ msleep(5);
+
+ ctx->prepared = false;
+
+ return 0;
+}
+
+static int cwu50_prepare(struct drm_panel *panel)
+{
+ struct cwu50 *ctx = panel_to_cwu50(panel);
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ if (ctx->prepared)
+ return 0;
+
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ msleep(10);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ msleep(120);
+
+ /* Enabe tearing mode: send TE (tearing effect) at VBLANK */
+ ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
+ if (ret) {
+ dev_err(ctx->dev, "failed to enable vblank TE (%d)\n", ret);
+ return ret;
+ }
+ /* Exit sleep mode and power on */
+
+ cwu50_init_sequence(ctx);
+
+ ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
+ if (ret) {
+ dev_err(ctx->dev, "failed to exit sleep mode (%d)\n", ret);
+ return ret;
+ }
+ msleep(120);
+
+ ret = mipi_dsi_dcs_set_display_on(dsi);
+ if (ret) {
+ dev_err(ctx->dev, "failed to turn display on (%d)\n", ret);
+ return ret;
+ }
+ msleep(20);
+
+ ctx->prepared = true;
+
+ return 0;
+}
+
+static int cwu50_enable(struct drm_panel *panel)
+{
+ struct cwu50 *ctx = panel_to_cwu50(panel);
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ if (ctx->enabled)
+ return 0;
+
+ backlight_enable(ctx->backlight);
+
+ ctx->enabled = true;
+
+ return 0;
+}
+
+static int cwu50_get_modes(struct drm_panel *panel, struct drm_connector *connector)
+{
+ struct cwu50 *ctx = panel_to_cwu50(panel);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(connector->dev, &default_mode);
+ if (!mode) {
+ dev_err(panel->dev, "bad mode or failed to add mode\n");
+ return -EINVAL;
+ }
+ drm_mode_set_name(mode);
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+
+ /* set up connector's "panel orientation" property */
+ drm_connector_set_panel_orientation(connector, ctx->orientation);
+
+ drm_mode_probed_add(connector, mode);
+
+ return 1; /* Number of modes */
+}
+
+static const struct drm_panel_funcs cwu50_drm_funcs = {
+ .disable = cwu50_disable,
+ .unprepare = cwu50_unprepare,
+ .prepare = cwu50_prepare,
+ .enable = cwu50_enable,
+ .get_modes = cwu50_get_modes,
+};
+
+static int cwu50_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct cwu50 *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ mipi_dsi_set_drvdata(dsi, ctx);
+ ctx->dev = dev;
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO |MIPI_DSI_MODE_VIDEO_BURST | MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
+
+ ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(ctx->reset_gpio)) {
+ ret = PTR_ERR(ctx->reset_gpio);
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "failed to request GPIO (%d)\n", ret);
+ return ret;
+ }
+
+ ctx->backlight = devm_of_find_backlight(dev);
+ if (IS_ERR(ctx->backlight)) {
+ return PTR_ERR(ctx->backlight);
+ }
+
+ ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
+ if (ret) {
+ dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret);
+ return ret;
+ }
+
+ drm_panel_init(&ctx->panel, dev, &cwu50_drm_funcs, DRM_MODE_CONNECTOR_DSI);
+
+ drm_panel_add(&ctx->panel);
+
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0) {
+ dev_err(dev, "mipi_dsi_attach() failed: %d\n", ret);
+ drm_panel_remove(&ctx->panel);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int cwu50_remove(struct mipi_dsi_device *dsi)
+{
+ struct cwu50 *ctx = mipi_dsi_get_drvdata(dsi);
+
+ mipi_dsi_detach(dsi);
+ drm_panel_remove(&ctx->panel);
+
+ return 0;
+}
+
+static const struct of_device_id cwu50_of_match[] = {
+ { .compatible = "cw,cwu50" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, cwu50_of_match);
+
+static struct mipi_dsi_driver cwu50_driver = {
+ .probe = cwu50_probe,
+ .remove = cwu50_remove,
+ .driver = {
+ .name = "panel-cwu50",
+ .of_match_table = cwu50_of_match,
+ },
+};
+module_mipi_dsi_driver(cwu50_driver);
+
+MODULE_DESCRIPTION("DRM Driver for cwu50 MIPI DSI panel");
+MODULE_LICENSE("GPL v2");

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# Patch for uConsole CM4
based on `https://github.com/raspberrypi/linux.git`
commit hash: 3a33f11c48572b9dd0fecac164b3990fc9234da8
## Prepares
ubuntu 22.04 with aarch64-linux-gnu-
```
sudo apt install -y build-essential gcc-aarch64-linux-gnu
```
## Example process of compiling
```
cd
git clone https://github.com/raspberrypi/linux.git
cd linux
wget https://raw.githubusercontent.com/clockworkpi/uConsole/master/Code/patch/cm4/20230630/0001-patch-cm4.patch
git reset --hard 3a33f11c48572b9dd0fecac164b3990fc9234da8
git apply 0001-patch-cm4.patch
KERNEL=kernel8 make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- bcm2711_defconfig
KERNEL=kernel8 make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j2
mkdir ./modules
rm -rf ./modules/*
INSTALL_MOD_PATH=./modules make modules_install
rm modules/lib/modules/*/build
rm modules/lib/modules/*/source
```
## config.txt
In order to use compiled kernel8.img with CM4 in uConsole ,we have to setup a config.txt
```
disable_overscan=1
dtparam=audio=on
[pi4]
max_framebuffers=2
[all]
ignore_lcd=1
dtoverlay=dwc2,dr_mode=host
dtoverlay=vc4-kms-v3d-pi4,cma-384
dtoverlay=devterm-pmu
dtoverlay=devterm-panel-uc
dtoverlay=devterm-misc
dtoverlay=audremap,pins_12_13
dtparam=spi=on
gpio=10=ip,np
```

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