f785a6d9fd
https://github.com/ROCKNIX/distribution From ROCKNIX/devices/SM8550/linux/linux.aarch64.conf From ROCKNIX/devices/SM8550/patches/linux/ - 0001-msm-adreno-enable-A32.patch - 0002-qcom-dispcc-sm8550-Fix-disp_cc_mdss_mdp_clk_src.patch - 0003_drm-msm-dpu-Set-vsync-source-irrespective-of-mdp-.patch - 0030-input-rmi4-add-reset-gpio.patch - 0031_input--Add-driver-for-RSInput-Gamepad.patch - 0033_leds--Add-driver-for-HEROIC-HTR3212.patch - 0036_ASoC--qcom--sc8280xp-Add-support-for-Primary-I2S.patch - 0042_mmc--sdhci-msm--Toggle-the-FIFO-write-clock-after-.patch - 0047_ASoC--codecs--aw88166--AYN-Odin2-Specific-modifica.patch - 0050_pmk8550-pwm.patch - 0051-gpu-panel-add-Pocket-ACE-panel-driver.patch - 0052-gpu-panel-add-Pocket-DMG-panel-driver.patch - 0053-add-hynitron-touchscreen.patch - 0053-edt-ft5x06-add-no_regmap_bulk_read-option.patch - 0053-gpu-panel-add-Pocket-DS-lower-panel-driver.patch - 0054_sn3112-pwm-driver.patch - 0055_Synaptics-TD4328-LCD-panel.patch - 0056_Xm-Plus-XM91080G-panel.patch - 0057_Chipone-ICNA35XX-panel.patch - 0057_DDIC-CH13726A-panel.patch - 0058_AYN-Odin2-Mini--backlight.patch - 0059_AYN-Odin2-Mini--hynitron--cstxxx.patch - 0060-Add-Silergy-SY7758-backlight-driver.patch - 0061-regulator-add-sgm3804-i2c-regulator-for-panel-power-.patch - 0062_rsinput--regulator.patch - 0070-drm-msm-remove-DRIVER_SYNCOBJ_TIMELINE.patch - 0071-HACK-fix-usb-boot-hang.patch - 0100-SM8550-Fix-L2-cache-for-CPU2-and-add-cache-sizes.patch - 0101-SM8550-Add-DDR-LLCC-L3-CPU-bandwidth-scaling.patch - 0102-20240424_wuxilin123_ayn_odin_2_support.patch - 0103_arm64--dts--qcom--sm8550--add-UART15.patch - 0104-drm-panel-Add-Retroid-Pocket-6-panel.patch - 0120-20250728_konradybcio_gpu_cc_power_requirements_reality_check.patch - 0122-interconnect__qcom__sm8550__Enable_QoS_configuration.patch - 0154-dts-qcom-sm8550-add-opp-acd-level.patch - 0200_arm64--dts--qcom--Add-AYN-QCS8550-Common.patch - 0201_arm64--dts--qcom--Add-AYN-Odin2.patch - 0202_arm64--dts--qcom--Add-AYN-Odin2-Mini.patch - 0203_arm64--dts--qcom--Add-AYN-Odin2-Portal.patch - 0204_arm64--dts--qcom--Add-AYN-Thor.patch - 0210_arm64--dts--qcom--Add-AYANEO-Pocket-Common.patch - 0211_arm64--dts--qcom--Add-AYANEO-Pocket-ACE.patch - 0212_arm64--dts--qcom--Add-AYANEO-Pocket-DMG.patch - 0213_arm64--dts--qcom--Add-AYANEO-Pocket-EVO.patch - 0214_arm64--dts--qcom--Add-AYANEO-Pocket-DS.patch - 0500-ROCKNIX-set-boot-fanspeed.patch - 0501-ROCKNIX-fix-wifi-and-bt-mac.patch - 0503-ROCKNIX-battery-name.patch - v5_20251120_quic_utiwari_crypto_qce_add_runtime_pm_and_interconnect_bandwidth_scaling_support.patch
226 lines
8.3 KiB
Diff
226 lines
8.3 KiB
Diff
From 36b23d2e44b4c350adaa34a5bc57967ab1baef41 Mon Sep 17 00:00:00 2001
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From: Teguh Sobirin <teguh@sobir.in>
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Date: Fri, 28 Feb 2025 16:18:06 +0800
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Subject: [PATCH] backlight: odin2mini-backlight: Add support for AYN Odin2
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Mini backlight
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Signed-off-by: Teguh Sobirin <teguh@sobir.in>
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---
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drivers/video/backlight/Kconfig | 7 +
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drivers/video/backlight/Makefile | 1 +
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drivers/video/backlight/odin2mini-backlight.c | 174 ++++++++++++++++++
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3 files changed, 182 insertions(+)
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create mode 100644 drivers/video/backlight/odin2mini-backlight.c
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diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
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index 3614a5d29c716e..2eaa2f21c1e644 100644
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--- a/drivers/video/backlight/Kconfig
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+++ b/drivers/video/backlight/Kconfig
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@@ -217,6 +217,13 @@ config BACKLIGHT_LOCOMO
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If you have a Sharp Zaurus SL-5500 (Collie) or SL-5600 (Poodle) say y to
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enable the LCD/backlight driver.
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+config BACKLIGHT_ODIN2MINI
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+ tristate "Backlight Driver for AYN Odin2 Mini"
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+ depends on I2C
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+ select REGMAP_I2C
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+ help
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+ Say Y to enable the backlight driver for the AYN Odin2 Mini.
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+
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config BACKLIGHT_OMAP1
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tristate "OMAP1 PWL-based LCD Backlight"
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depends on ARCH_OMAP1 || COMPILE_TEST
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diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
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index 8fc98f760a8ad4..74d57b312a72c3 100644
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--- a/drivers/video/backlight/Makefile
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+++ b/drivers/video/backlight/Makefile
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@@ -47,6 +47,7 @@ obj-$(CONFIG_BACKLIGHT_LV5207LP) += lv5207lp.o
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obj-$(CONFIG_BACKLIGHT_MAX8925) += max8925_bl.o
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obj-$(CONFIG_BACKLIGHT_MP3309C) += mp3309c.o
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obj-$(CONFIG_BACKLIGHT_MT6370) += mt6370-backlight.o
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+obj-$(CONFIG_BACKLIGHT_ODIN2MINI) += odin2mini-backlight.o
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obj-$(CONFIG_BACKLIGHT_OMAP1) += omap1_bl.o
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obj-$(CONFIG_BACKLIGHT_PANDORA) += pandora_bl.o
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obj-$(CONFIG_BACKLIGHT_PCF50633) += pcf50633-backlight.o
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diff --git a/drivers/video/backlight/odin2mini-backlight.c b/drivers/video/backlight/odin2mini-backlight.c
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new file mode 100644
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index 00000000000000..8f377cf3f642cf
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--- /dev/null
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+++ b/drivers/video/backlight/odin2mini-backlight.c
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@@ -0,0 +1,174 @@
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+/*
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+ * Odin2Mini Backlight Driver
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+ *
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+ * Copyright (c) 2025 Teguh Sobirin <teguh@sobir.in>
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+ */
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+
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+#include <linux/backlight.h>
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+#include <linux/gpio/consumer.h>
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+#include <linux/i2c.h>
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+#include <linux/module.h>
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+#include <linux/regmap.h>
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+#include <linux/slab.h>
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+#include <linux/uaccess.h>
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+
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+#define MAX_BRIGHTNESS 255
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+#define ODIN2MINI_REG_0 0x0000
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+
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+struct odin2miniled {
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+ struct i2c_client *client;
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+ struct regmap *regmap;
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+ struct gpio_desc *enable;
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+ struct regulator_bulk_data *supplies;
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+};
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+
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+static const struct regulator_bulk_data miniled_supplies[] = {
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+ { .supply = "vcc_1v2" },
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+ { .supply = "vcc_3v3" },
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+};
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+
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+static u16 gain_lut[256] = {
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+ 0x011F, 0x081F, 0x0F1F, 0x161F, 0x1D1F, 0x241F, 0x2B1F, 0x321F,
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+ 0x391F, 0x401F, 0x471F, 0x4E1F, 0x551F, 0x5C1F, 0x631F, 0x6A1F,
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+ 0x711F, 0x781F, 0x7F1F, 0x831F, 0x881F, 0x8D1F, 0x921F, 0x971F,
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+ 0x9C1F, 0xA11F, 0xA61F, 0xAB1F, 0xB01F, 0xB51F, 0xBA1F, 0xBF1F,
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+ 0xC41F, 0xC91F, 0xCE1F, 0xD31F, 0xD81F, 0xDD1F, 0xE21F, 0xE71F,
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+ 0xEC1F, 0xF11F, 0xF61F, 0xFB1F, 0x0C03, 0x0D03, 0x0E03, 0x0F03,
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+ 0x1003, 0x1103, 0x1203, 0x1303, 0x1403, 0x1503, 0x1603, 0x1703,
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+ 0x1803, 0x1903, 0x1A03, 0x1B03, 0x1C03, 0x1D03, 0x1E03, 0x1F03,
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+ 0x2003, 0x2103, 0x2203, 0x2303, 0x2403, 0x2503, 0x2603, 0x2703,
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+ 0x2803, 0x2903, 0x2A03, 0x2B03, 0x2C03, 0x2D03, 0x2E03, 0x2F03,
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+ 0x3003, 0x3103, 0x3203, 0x3303, 0x3403, 0x3503, 0x3603, 0x3703,
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+ 0x3803, 0x3903, 0x3A03, 0x3B03, 0x3C03, 0x3D03, 0x3E03, 0x3F03,
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+ 0x8005, 0x8105, 0x8205, 0x8305, 0x8405, 0x8505, 0x8605, 0x8705,
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+ 0x8805, 0x8905, 0x8A05, 0x8B05, 0x8C05, 0x8D05, 0x8E05, 0x8F05,
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+ 0x9005, 0x9105, 0x9205, 0x9305, 0x9405, 0x9505, 0x9605, 0x9705,
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+ 0x9805, 0x9905, 0x9A05, 0x9B05, 0x9C05, 0x9D05, 0x9E05, 0x9F05,
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+ 0xA005, 0xA105, 0xA205, 0xA305, 0xA405, 0xA505, 0xA605, 0xA705,
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+ 0xA805, 0xA905, 0xAA05, 0xAB05, 0xAC05, 0xAD05, 0xAE05, 0xAF05,
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+ 0xB005, 0xB105, 0xB205, 0xB305, 0xB405, 0xB505, 0xB605, 0xB705,
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+ 0xB805, 0xB905, 0xBA05, 0xBB05, 0xBC05, 0xBD05, 0xBE05, 0xBF05,
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+ 0xC005, 0xC105, 0xC205, 0xC305, 0xC405, 0xC505, 0xC605, 0xC705,
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+ 0xC805, 0xC905, 0xCA05, 0xCB05, 0xCC05, 0xCD05, 0xCE05, 0xCF05,
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+ 0xD005, 0xD105, 0xD205, 0xD305, 0xD405, 0xD505, 0xD605, 0xD705,
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+ 0xD805, 0xD905, 0xDA05, 0xDB05, 0xDC05, 0xDD05, 0xDE05, 0xDF05,
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+ 0xE005, 0xE105, 0xE205, 0xE305, 0xE405, 0xE505, 0xE605, 0xE705,
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+ 0xE805, 0xE905, 0xEA05, 0xEB05, 0xEC05, 0xED05, 0xEE05, 0xEF05,
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+ 0xF005, 0xF105, 0xF205, 0xF305, 0xF405, 0xF505, 0xF605, 0xF705,
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+ 0xF805, 0xF905, 0xFA05, 0xFB05, 0xFC05, 0xFD05, 0xFE05, 0xFF05,
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+ 0xC003, 0xC103, 0xC203, 0xC303, 0xC403, 0xC503, 0xC603, 0xC703,
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+ 0xC803, 0xC903, 0xCA03, 0xCB03, 0xCC03, 0xCD03, 0xCE03, 0xCF03,
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+ 0xD003, 0xD103, 0xD203, 0xD303, 0xD403, 0xD503, 0xD603, 0xD703,
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+ 0xD803, 0xD903, 0xDA03, 0xDB03, 0xDC03, 0xDD03, 0xDE03, 0xDF03
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+};
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+
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+static const struct regmap_config odin2miniled_regmap_config = {
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+ .reg_bits = 16,
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+ .val_bits = 16,
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+ .max_register = 0x0600,
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+};
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+
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+static int odin2miniled_backlight_update_status(struct backlight_device *backlight_dev)
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+{
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+ struct odin2miniled *miniled = bl_get_data(backlight_dev);
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+ unsigned int brightness = backlight_get_brightness(backlight_dev);
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+ unsigned int reg_value = gain_lut[brightness];
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+
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+ return regmap_write(miniled->regmap, ODIN2MINI_REG_0, reg_value);
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+}
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+
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+static const struct backlight_ops odin2miniled_backlight_ops = {
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+ .update_status = odin2miniled_backlight_update_status,
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+};
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+
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+static int odin2miniled_probe(struct i2c_client *client)
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+{
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+ struct backlight_device *backlight_dev;
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+ struct backlight_properties props;
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+ struct odin2miniled *miniled;
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+ int ret = 0;
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+
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+ miniled = devm_kzalloc(&client->dev, sizeof(*miniled), GFP_KERNEL);
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+ if (!miniled)
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+ return -ENOMEM;
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+
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+ ret = devm_regulator_bulk_get_const(&client->dev, ARRAY_SIZE(miniled_supplies),
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+ miniled_supplies, &miniled->supplies);
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+ if (ret < 0){
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+ return dev_err_probe(&client->dev, ret, "Failed to get regulators\n");
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+ }
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+
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+ ret = regulator_bulk_enable(ARRAY_SIZE(miniled_supplies), miniled->supplies);
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+ if (ret < 0) {
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+ dev_err(&client->dev, "Failed to enable regulators: %d\n", ret);
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+ return ret;
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+ }
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+
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+ miniled->enable = devm_gpiod_get(&client->dev, "enable", GPIOD_OUT_HIGH);
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+ if (PTR_ERR(miniled->enable) == -EPROBE_DEFER){
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+ return -EPROBE_DEFER;
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+ }
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+
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+ gpiod_set_value_cansleep(miniled->enable, 1);
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+ usleep_range(10000, 11000);
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+
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+ miniled->client = client;
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+ miniled->regmap = devm_regmap_init_i2c(client, &odin2miniled_regmap_config);
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+ if (IS_ERR(miniled->regmap))
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+ return dev_err_probe(&client->dev, PTR_ERR(miniled->regmap), "failed to init regmap\n");
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+
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+ memset(&props, 0, sizeof(props));
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+ props.type = BACKLIGHT_RAW;
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+ props.max_brightness = MAX_BRIGHTNESS;
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+ props.brightness = MAX_BRIGHTNESS;
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+ props.scale = BACKLIGHT_SCALE_LINEAR;
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+
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+ backlight_dev = devm_backlight_device_register(&client->dev, "odin2miniled-backlight",
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+ &client->dev, miniled, &odin2miniled_backlight_ops, &props);
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+ if (IS_ERR(backlight_dev))
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+ return dev_err_probe(&client->dev, PTR_ERR(backlight_dev),
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+ "failed to register backlight device\n");
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+
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+ i2c_set_clientdata(client, backlight_dev);
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+ backlight_update_status(backlight_dev);
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+
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+ return 0;
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+}
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+
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+static void odin2miniled_remove(struct i2c_client *client)
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+{
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+ struct backlight_device *backlight_dev = i2c_get_clientdata(client);
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+ backlight_dev->props.power = BACKLIGHT_POWER_OFF;
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+ backlight_dev->props.brightness = 0;
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+ backlight_update_status(backlight_dev);
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+}
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+
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+static const struct i2c_device_id odin2miniled_id[] = {
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+ { "odin2miniled" },
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+ { }
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+};
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+MODULE_DEVICE_TABLE(i2c, odin2miniled_id);
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+
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+static const struct of_device_id odin2miniled_match_table[] = {
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+ {
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+ .compatible = "ayn,odin2miniled",
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+ },
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+ {},
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+};
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+MODULE_DEVICE_TABLE(of, odin2miniled_match_table);
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+
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+static struct i2c_driver odin2miniled_driver = {
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+ .driver = {
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+ .name = "odin2miniled",
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+ .of_match_table = odin2miniled_match_table,
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+ },
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+ .probe = odin2miniled_probe,
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+ .remove = odin2miniled_remove,
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+ .id_table = odin2miniled_id,
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+};
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+
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+module_i2c_driver(odin2miniled_driver);
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+
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+MODULE_AUTHOR("Teguh Sobirin <teguh@sobir.in>");
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+MODULE_DESCRIPTION("Odin2Mini Backlight Driver");
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+MODULE_LICENSE("GPL");
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\ No newline at end of file
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