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-rw-r--r--drivers/gpio/mcp23018.c8
-rw-r--r--drivers/gpio/mcp23018.h9
-rw-r--r--drivers/gpio/pca9505.c4
-rw-r--r--drivers/gpio/pca9505.h6
-rw-r--r--drivers/gpio/pca9555.c8
-rw-r--r--drivers/gpio/pca9555.h9
-rw-r--r--drivers/led/apa102.c10
-rw-r--r--drivers/led/issi/is31fl3236-mono.c168
-rw-r--r--drivers/led/issi/is31fl3236-mono.h101
-rw-r--r--drivers/led/issi/is31fl3236.c172
-rw-r--r--drivers/led/issi/is31fl3236.h103
-rw-r--r--drivers/ws2812.h2
12 files changed, 580 insertions, 20 deletions
diff --git a/drivers/gpio/mcp23018.c b/drivers/gpio/mcp23018.c
index 3eca4f9d34..0791db08dd 100644
--- a/drivers/gpio/mcp23018.c
+++ b/drivers/gpio/mcp23018.c
@@ -74,20 +74,20 @@ bool mcp23018_set_output_all(uint8_t slave_addr, uint8_t confA, uint8_t confB) {
return true;
}
-bool mcp23018_readPins(uint8_t slave_addr, mcp23018_port_t port, uint8_t* out) {
+bool mcp23018_read_pins(uint8_t slave_addr, mcp23018_port_t port, uint8_t* out) {
uint8_t addr = SLAVE_TO_ADDR(slave_addr);
uint8_t cmd = port ? CMD_GPIOB : CMD_GPIOA;
i2c_status_t ret = i2c_read_register(addr, cmd, out, sizeof(uint8_t), TIMEOUT);
if (ret != I2C_STATUS_SUCCESS) {
- dprintf("mcp23018_readPins::FAILED::%u\n", ret);
+ dprintf("mcp23018_read_pins::FAILED::%u\n", ret);
return false;
}
return true;
}
-bool mcp23018_readPins_all(uint8_t slave_addr, uint16_t* out) {
+bool mcp23018_read_pins_all(uint8_t slave_addr, uint16_t* out) {
uint8_t addr = SLAVE_TO_ADDR(slave_addr);
typedef union {
@@ -99,7 +99,7 @@ bool mcp23018_readPins_all(uint8_t slave_addr, uint16_t* out) {
i2c_status_t ret = i2c_read_register(addr, CMD_GPIOA, &data.u8[0], sizeof(data), TIMEOUT);
if (ret != I2C_STATUS_SUCCESS) {
- dprintf("mcp23018_readPins::FAILED::%u\n", ret);
+ dprintf("mcp23018_read_pins_all::FAILED::%u\n", ret);
return false;
}
diff --git a/drivers/gpio/mcp23018.h b/drivers/gpio/mcp23018.h
index e7c2730dd1..98c818fb8d 100644
--- a/drivers/gpio/mcp23018.h
+++ b/drivers/gpio/mcp23018.h
@@ -55,11 +55,16 @@ bool mcp23018_set_output_all(uint8_t slave_addr, uint8_t confA, uint8_t confB);
/**
* Read state of a given port
*/
-bool mcp23018_readPins(uint8_t slave_addr, mcp23018_port_t port, uint8_t* ret);
+bool mcp23018_read_pins(uint8_t slave_addr, mcp23018_port_t port, uint8_t* ret);
/**
* Read state of both ports sequentially
*
* - slightly faster than multiple readPins
*/
-bool mcp23018_readPins_all(uint8_t slave_addr, uint16_t* ret);
+bool mcp23018_read_pins_all(uint8_t slave_addr, uint16_t* ret);
+
+// DEPRECATED - DO NOT USE
+
+#define mcp23018_readPins mcp23018_read_pins
+#define mcp23018_readPins_all mcp23018_read_pins_all
diff --git a/drivers/gpio/pca9505.c b/drivers/gpio/pca9505.c
index 5617a14a8b..d1adc61a23 100644
--- a/drivers/gpio/pca9505.c
+++ b/drivers/gpio/pca9505.c
@@ -133,7 +133,7 @@ bool pca9505_set_output(uint8_t slave_addr, pca9505_port_t port, uint8_t conf) {
return true;
}
-bool pca9505_readPins(uint8_t slave_addr, pca9505_port_t port, uint8_t* out) {
+bool pca9505_read_pins(uint8_t slave_addr, pca9505_port_t port, uint8_t* out) {
uint8_t addr = SLAVE_TO_ADDR(slave_addr);
uint8_t cmd = 0;
switch (port) {
@@ -156,7 +156,7 @@ bool pca9505_readPins(uint8_t slave_addr, pca9505_port_t port, uint8_t* out) {
i2c_status_t ret = i2c_read_register(addr, cmd, out, sizeof(uint8_t), TIMEOUT);
if (ret != I2C_STATUS_SUCCESS) {
- print("pca9505_readPins::FAILED\n");
+ print("pca9505_read_pins::FAILED\n");
return false;
}
diff --git a/drivers/gpio/pca9505.h b/drivers/gpio/pca9505.h
index 732ddb88ea..0cec8610d9 100644
--- a/drivers/gpio/pca9505.h
+++ b/drivers/gpio/pca9505.h
@@ -64,4 +64,8 @@ bool pca9505_set_output(uint8_t slave_addr, pca9505_port_t port, uint8_t conf);
/**
* Read state of a given port
*/
-bool pca9505_readPins(uint8_t slave_addr, pca9505_port_t port, uint8_t* ret);
+bool pca9505_read_pins(uint8_t slave_addr, pca9505_port_t port, uint8_t* ret);
+
+// DEPRECATED - DO NOT USE
+
+#define pca9505_readPins pca9505_read_pins
diff --git a/drivers/gpio/pca9555.c b/drivers/gpio/pca9555.c
index 0fc30099ac..28b74e1a70 100644
--- a/drivers/gpio/pca9555.c
+++ b/drivers/gpio/pca9555.c
@@ -70,20 +70,20 @@ bool pca9555_set_output_all(uint8_t slave_addr, uint8_t confA, uint8_t confB) {
return true;
}
-bool pca9555_readPins(uint8_t slave_addr, pca9555_port_t port, uint8_t* out) {
+bool pca9555_read_pins(uint8_t slave_addr, pca9555_port_t port, uint8_t* out) {
uint8_t addr = SLAVE_TO_ADDR(slave_addr);
uint8_t cmd = port ? CMD_INPUT_1 : CMD_INPUT_0;
i2c_status_t ret = i2c_read_register(addr, cmd, out, sizeof(uint8_t), TIMEOUT);
if (ret != I2C_STATUS_SUCCESS) {
- print("pca9555_readPins::FAILED\n");
+ print("pca9555_read_pins::FAILED\n");
return false;
}
return true;
}
-bool pca9555_readPins_all(uint8_t slave_addr, uint16_t* out) {
+bool pca9555_read_pins_all(uint8_t slave_addr, uint16_t* out) {
uint8_t addr = SLAVE_TO_ADDR(slave_addr);
typedef union {
@@ -95,7 +95,7 @@ bool pca9555_readPins_all(uint8_t slave_addr, uint16_t* out) {
i2c_status_t ret = i2c_read_register(addr, CMD_INPUT_0, &data.u8[0], sizeof(data), TIMEOUT);
if (ret != I2C_STATUS_SUCCESS) {
- print("pca9555_readPins_all::FAILED\n");
+ print("pca9555_read_pins_all::FAILED\n");
return false;
}
diff --git a/drivers/gpio/pca9555.h b/drivers/gpio/pca9555.h
index 6362ab68ae..f089022e84 100644
--- a/drivers/gpio/pca9555.h
+++ b/drivers/gpio/pca9555.h
@@ -78,11 +78,16 @@ bool pca9555_set_output_all(uint8_t slave_addr, uint8_t confA, uint8_t confB);
/**
* Read state of a given port
*/
-bool pca9555_readPins(uint8_t slave_addr, pca9555_port_t port, uint8_t* ret);
+bool pca9555_read_pins(uint8_t slave_addr, pca9555_port_t port, uint8_t* ret);
/**
* Read state of both ports sequentially
*
* - slightly faster than multiple readPins
*/
-bool pca9555_readPins_all(uint8_t slave_addr, uint16_t* ret);
+bool pca9555_read_pins_all(uint8_t slave_addr, uint16_t* ret);
+
+// DEPRECATED - DO NOT USE
+
+#define pca9555_readPins pca9555_read_pins
+#define pca9555_readPins_all pca9555_read_pins_all
diff --git a/drivers/led/apa102.c b/drivers/led/apa102.c
index d6d4327495..b171b07b12 100644
--- a/drivers/led/apa102.c
+++ b/drivers/led/apa102.c
@@ -67,7 +67,9 @@ static void apa102_send_byte(uint8_t byte) {
}
static void apa102_start_frame(void) {
- apa102_init();
+ gpio_write_pin_low(APA102_DI_PIN);
+ gpio_write_pin_low(APA102_CI_PIN);
+
for (uint16_t i = 0; i < 4; i++) {
apa102_send_byte(0);
}
@@ -103,7 +105,8 @@ static void apa102_end_frame(uint16_t num_leds) {
apa102_send_byte(0);
}
- apa102_init();
+ gpio_write_pin_low(APA102_DI_PIN);
+ gpio_write_pin_low(APA102_CI_PIN);
}
static void apa102_send_frame(uint8_t red, uint8_t green, uint8_t blue, uint8_t brightness) {
@@ -116,9 +119,6 @@ static void apa102_send_frame(uint8_t red, uint8_t green, uint8_t blue, uint8_t
void apa102_init(void) {
gpio_set_pin_output(APA102_DI_PIN);
gpio_set_pin_output(APA102_CI_PIN);
-
- gpio_write_pin_low(APA102_DI_PIN);
- gpio_write_pin_low(APA102_CI_PIN);
}
void apa102_setleds(rgb_led_t *start_led, uint16_t num_leds) {
diff --git a/drivers/led/issi/is31fl3236-mono.c b/drivers/led/issi/is31fl3236-mono.c
new file mode 100644
index 0000000000..b80245a1dc
--- /dev/null
+++ b/drivers/led/issi/is31fl3236-mono.c
@@ -0,0 +1,168 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "is31fl3236-mono.h"
+#include "i2c_master.h"
+#include "gpio.h"
+
+#define IS31FL3236_PWM_REGISTER_COUNT 36
+#define IS31FL3236_LED_CONTROL_REGISTER_COUNT 36
+
+#ifndef IS31FL3236_I2C_TIMEOUT
+# define IS31FL3236_I2C_TIMEOUT 100
+#endif
+
+#ifndef IS31FL3236_I2C_PERSISTENCE
+# define IS31FL3236_I2C_PERSISTENCE 0
+#endif
+
+#ifndef IS31FL3236_PWM_FREQUENCY
+# define IS31FL3236_PWM_FREQUENCY IS31FL3236_PWM_FREQUENCY_3K_HZ // OFS - IS31FL3236A only
+#endif
+
+const uint8_t i2c_addresses[IS31FL3236_DRIVER_COUNT] = {
+ IS31FL3236_I2C_ADDRESS_1,
+#ifdef IS31FL3236_I2C_ADDRESS_2
+ IS31FL3236_I2C_ADDRESS_2,
+# ifdef IS31FL3236_I2C_ADDRESS_3
+ IS31FL3236_I2C_ADDRESS_3,
+# ifdef IS31FL3236_I2C_ADDRESS_4
+ IS31FL3236_I2C_ADDRESS_4,
+# endif
+# endif
+#endif
+};
+
+typedef struct is31fl3236_driver_t {
+ uint8_t pwm_buffer[IS31FL3236_PWM_REGISTER_COUNT];
+ bool pwm_buffer_dirty;
+ uint8_t led_control_buffer[IS31FL3236_LED_CONTROL_REGISTER_COUNT];
+ bool led_control_buffer_dirty;
+} PACKED is31fl3236_driver_t;
+
+is31fl3236_driver_t driver_buffers[IS31FL3236_DRIVER_COUNT] = {{
+ .pwm_buffer = {0},
+ .pwm_buffer_dirty = false,
+ .led_control_buffer = {0},
+ .led_control_buffer_dirty = false,
+}};
+
+void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data) {
+#if IS31FL3236_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) {
+ if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ }
+#else
+ i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3236_write_pwm_buffer(uint8_t index) {
+#if IS31FL3236_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) {
+ if (i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ }
+#else
+ i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3236_init_drivers(void) {
+ i2c_init();
+
+#if defined(IS31FL3236_SDB_PIN)
+ gpio_set_pin_output(IS31FL3236_SDB_PIN);
+ gpio_write_pin_high(IS31FL3236_SDB_PIN);
+#endif
+
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_init(i);
+ }
+
+ for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) {
+ is31fl3236_set_led_control_register(i, true);
+ }
+
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_update_led_control_registers(i);
+ }
+}
+
+void is31fl3236_init(uint8_t index) {
+ // In case we ever want to reinitialize (?)
+ is31fl3236_write_register(index, IS31FL3236_REG_RESET, 0x00);
+
+ // Turn off software shutdown
+ is31fl3236_write_register(index, IS31FL3236_REG_SHUTDOWN, 0x01);
+
+ // Set all PWM values to zero
+ for (uint8_t i = 0; i < IS31FL3236_PWM_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_PWM + i, 0x00);
+ }
+
+ // turn off all LEDs in the LED control register
+ for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, 0x00);
+ }
+
+ // Set PWM frequency (IS31FL3236A)
+ is31fl3236_write_register(index, IS31FL3236_REG_PWM_FREQUENCY, IS31FL3236_PWM_FREQUENCY);
+
+ // Load PWM registers and LED Control register data
+ is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01);
+}
+
+void is31fl3236_set_value(int index, uint8_t value) {
+ is31fl3236_led_t led;
+
+ if (index < IS31FL3236_LED_COUNT) {
+ memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led));
+
+ if (driver_buffers[led.driver].pwm_buffer[led.v] == value) {
+ return;
+ }
+
+ driver_buffers[led.driver].pwm_buffer[led.v] = value;
+ driver_buffers[led.driver].pwm_buffer_dirty = true;
+ }
+}
+
+void is31fl3236_set_value_all(uint8_t value) {
+ for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) {
+ is31fl3236_set_value(i, value);
+ }
+}
+
+void is31fl3236_set_led_control_register(uint8_t index, bool value) {
+ is31fl3236_led_t led;
+ memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led));
+
+ driver_buffers[led.driver].led_control_buffer[led.v] = value ? 0x01 : 0x00;
+ driver_buffers[led.driver].led_control_buffer_dirty = true;
+}
+
+void is31fl3236_update_pwm_buffers(uint8_t index) {
+ if (driver_buffers[index].pwm_buffer_dirty) {
+ is31fl3236_write_pwm_buffer(index);
+ // Load PWM registers and LED Control register data
+ is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01);
+
+ driver_buffers[index].pwm_buffer_dirty = false;
+ }
+}
+
+void is31fl3236_update_led_control_registers(uint8_t index) {
+ if (driver_buffers[index].led_control_buffer_dirty) {
+ for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, driver_buffers[index].led_control_buffer[i]);
+ }
+
+ driver_buffers[index].led_control_buffer_dirty = false;
+ }
+}
+
+void is31fl3236_flush(void) {
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_update_pwm_buffers(i);
+ }
+}
diff --git a/drivers/led/issi/is31fl3236-mono.h b/drivers/led/issi/is31fl3236-mono.h
new file mode 100644
index 0000000000..90735bb1aa
--- /dev/null
+++ b/drivers/led/issi/is31fl3236-mono.h
@@ -0,0 +1,101 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "progmem.h"
+#include "util.h"
+
+#define IS31FL3236_REG_SHUTDOWN 0x00
+#define IS31FL3236_REG_PWM 0x01
+#define IS31FL3236_REG_UPDATE 0x25
+#define IS31FL3236_REG_LED_CONTROL 0x26
+#define IS31FL3236_REG_GLOBAL_CONTROL 0x4A
+#define IS31FL3236_REG_PWM_FREQUENCY 0x4B
+#define IS31FL3236_REG_RESET 0x4F
+
+#define IS31FL3236_I2C_ADDRESS_GND 0x3C
+#define IS31FL3236_I2C_ADDRESS_SCL 0x3D
+#define IS31FL3236_I2C_ADDRESS_SDA 0x3E
+#define IS31FL3236_I2C_ADDRESS_VCC 0x3F
+
+#if defined(LED_MATRIX_IS31FL3236)
+# define IS31FL3236_LED_COUNT LED_MATRIX_LED_COUNT
+#endif
+
+#if defined(IS31FL3236_I2C_ADDRESS_4)
+# define IS31FL3236_DRIVER_COUNT 4
+#elif defined(IS31FL3236_I2C_ADDRESS_3)
+# define IS31FL3236_DRIVER_COUNT 3
+#elif defined(IS31FL3236_I2C_ADDRESS_2)
+# define IS31FL3236_DRIVER_COUNT 2
+#elif defined(IS31FL3236_I2C_ADDRESS_1)
+# define IS31FL3236_DRIVER_COUNT 1
+#endif
+
+typedef struct is31fl3236_led_t {
+ uint8_t driver : 2;
+ uint8_t v;
+} PACKED is31fl3236_led_t;
+
+extern const is31fl3236_led_t PROGMEM g_is31fl3236_leds[IS31FL3236_LED_COUNT];
+
+void is31fl3236_init_drivers(void);
+
+void is31fl3236_init(uint8_t index);
+
+void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data);
+
+void is31fl3236_set_value(int index, uint8_t value);
+
+void is31fl3236_set_value_all(uint8_t value);
+
+void is31fl3236_set_led_control_register(uint8_t index, bool value);
+
+void is31fl3236_update_pwm_buffers(uint8_t index);
+
+void is31fl3236_update_led_control_registers(uint8_t index);
+
+void is31fl3236_flush(void);
+
+#define IS31FL3236_PWM_FREQUENCY_3K_HZ 0b0
+#define IS31FL3236_PWM_FREQUENCY_22K_HZ 0b1
+
+#define OUT1 0x00
+#define OUT2 0x01
+#define OUT3 0x02
+#define OUT4 0x03
+#define OUT5 0x04
+#define OUT6 0x05
+#define OUT7 0x06
+#define OUT8 0x07
+#define OUT9 0x08
+#define OUT10 0x09
+#define OUT11 0x0A
+#define OUT12 0x0B
+#define OUT13 0x0C
+#define OUT14 0x0D
+#define OUT15 0x0E
+#define OUT16 0x0F
+#define OUT17 0x10
+#define OUT18 0x11
+#define OUT19 0x12
+#define OUT20 0x13
+#define OUT21 0x14
+#define OUT22 0x15
+#define OUT23 0x16
+#define OUT24 0x17
+#define OUT25 0x18
+#define OUT26 0x19
+#define OUT27 0x1A
+#define OUT28 0x1B
+#define OUT29 0x1C
+#define OUT30 0x1D
+#define OUT31 0x1E
+#define OUT32 0x1F
+#define OUT33 0x20
+#define OUT34 0x21
+#define OUT35 0x22
+#define OUT36 0x23
diff --git a/drivers/led/issi/is31fl3236.c b/drivers/led/issi/is31fl3236.c
new file mode 100644
index 0000000000..b8aa9c34b1
--- /dev/null
+++ b/drivers/led/issi/is31fl3236.c
@@ -0,0 +1,172 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "is31fl3236.h"
+#include "i2c_master.h"
+#include "gpio.h"
+
+#define IS31FL3236_PWM_REGISTER_COUNT 36
+#define IS31FL3236_LED_CONTROL_REGISTER_COUNT 36
+
+#ifndef IS31FL3236_I2C_TIMEOUT
+# define IS31FL3236_I2C_TIMEOUT 100
+#endif
+
+#ifndef IS31FL3236_I2C_PERSISTENCE
+# define IS31FL3236_I2C_PERSISTENCE 0
+#endif
+
+#ifndef IS31FL3236_PWM_FREQUENCY
+# define IS31FL3236_PWM_FREQUENCY IS31FL3236_PWM_FREQUENCY_3K_HZ // OFS - IS31FL3236A only
+#endif
+
+const uint8_t i2c_addresses[IS31FL3236_DRIVER_COUNT] = {
+ IS31FL3236_I2C_ADDRESS_1,
+#ifdef IS31FL3236_I2C_ADDRESS_2
+ IS31FL3236_I2C_ADDRESS_2,
+# ifdef IS31FL3236_I2C_ADDRESS_3
+ IS31FL3236_I2C_ADDRESS_3,
+# ifdef IS31FL3236_I2C_ADDRESS_4
+ IS31FL3236_I2C_ADDRESS_4,
+# endif
+# endif
+#endif
+};
+
+typedef struct is31fl3236_driver_t {
+ uint8_t pwm_buffer[IS31FL3236_PWM_REGISTER_COUNT];
+ bool pwm_buffer_dirty;
+ uint8_t led_control_buffer[IS31FL3236_LED_CONTROL_REGISTER_COUNT];
+ bool led_control_buffer_dirty;
+} PACKED is31fl3236_driver_t;
+
+is31fl3236_driver_t driver_buffers[IS31FL3236_DRIVER_COUNT] = {{
+ .pwm_buffer = {0},
+ .pwm_buffer_dirty = false,
+ .led_control_buffer = {0},
+ .led_control_buffer_dirty = false,
+}};
+
+void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data) {
+#if IS31FL3236_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) {
+ if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ }
+#else
+ i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3236_write_pwm_buffer(uint8_t index) {
+#if IS31FL3236_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) {
+ if (i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ }
+#else
+ i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3236_init_drivers(void) {
+ i2c_init();
+
+#if defined(IS31FL3236_SDB_PIN)
+ gpio_set_pin_output(IS31FL3236_SDB_PIN);
+ gpio_write_pin_high(IS31FL3236_SDB_PIN);
+#endif
+
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_init(i);
+ }
+
+ for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) {
+ is31fl3236_set_led_control_register(i, true, true, true);
+ }
+
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_update_led_control_registers(i);
+ }
+}
+
+void is31fl3236_init(uint8_t index) {
+ // In case we ever want to reinitialize (?)
+ is31fl3236_write_register(index, IS31FL3236_REG_RESET, 0x00);
+
+ // Turn off software shutdown
+ is31fl3236_write_register(index, IS31FL3236_REG_SHUTDOWN, 0x01);
+
+ // Set all PWM values to zero
+ for (uint8_t i = 0; i < IS31FL3236_PWM_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_PWM + i, 0x00);
+ }
+
+ // turn off all LEDs in the LED control register
+ for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, 0x00);
+ }
+
+ // Set PWM frequency (IS31FL3236A)
+ is31fl3236_write_register(index, IS31FL3236_REG_PWM_FREQUENCY, IS31FL3236_PWM_FREQUENCY);
+
+ // Load PWM registers and LED Control register data
+ is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01);
+}
+
+void is31fl3236_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ is31fl3236_led_t led;
+
+ if (index < IS31FL3236_LED_COUNT) {
+ memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led));
+
+ if (driver_buffers[led.driver].pwm_buffer[led.r] == red && driver_buffers[led.driver].pwm_buffer[led.g] == green && driver_buffers[led.driver].pwm_buffer[led.b] == blue) {
+ return;
+ }
+
+ driver_buffers[led.driver].pwm_buffer[led.r] = red;
+ driver_buffers[led.driver].pwm_buffer[led.g] = green;
+ driver_buffers[led.driver].pwm_buffer[led.b] = blue;
+ driver_buffers[led.driver].pwm_buffer_dirty = true;
+ }
+}
+
+void is31fl3236_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
+ for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) {
+ is31fl3236_set_color(i, red, green, blue);
+ }
+}
+
+void is31fl3236_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
+ is31fl3236_led_t led;
+ memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led));
+
+ driver_buffers[led.driver].led_control_buffer[led.r] = red ? 0x01 : 0x00;
+ driver_buffers[led.driver].led_control_buffer[led.g] = green ? 0x01 : 0x00;
+ driver_buffers[led.driver].led_control_buffer[led.b] = blue ? 0x01 : 0x00;
+ driver_buffers[led.driver].led_control_buffer_dirty = true;
+}
+
+void is31fl3236_update_pwm_buffers(uint8_t index) {
+ if (driver_buffers[index].pwm_buffer_dirty) {
+ is31fl3236_write_pwm_buffer(index);
+ // Load PWM registers and LED Control register data
+ is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01);
+
+ driver_buffers[index].pwm_buffer_dirty = false;
+ }
+}
+
+void is31fl3236_update_led_control_registers(uint8_t index) {
+ if (driver_buffers[index].led_control_buffer_dirty) {
+ for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, driver_buffers[index].led_control_buffer[i]);
+ }
+
+ driver_buffers[index].led_control_buffer_dirty = false;
+ }
+}
+
+void is31fl3236_flush(void) {
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_update_pwm_buffers(i);
+ }
+}
diff --git a/drivers/led/issi/is31fl3236.h b/drivers/led/issi/is31fl3236.h
new file mode 100644
index 0000000000..1e490796b2
--- /dev/null
+++ b/drivers/led/issi/is31fl3236.h
@@ -0,0 +1,103 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "progmem.h"
+#include "util.h"
+
+#define IS31FL3236_REG_SHUTDOWN 0x00
+#define IS31FL3236_REG_PWM 0x01
+#define IS31FL3236_REG_UPDATE 0x25
+#define IS31FL3236_REG_LED_CONTROL 0x26
+#define IS31FL3236_REG_GLOBAL_CONTROL 0x4A
+#define IS31FL3236_REG_PWM_FREQUENCY 0x4B
+#define IS31FL3236_REG_RESET 0x4F
+
+#define IS31FL3236_I2C_ADDRESS_GND 0x3C
+#define IS31FL3236_I2C_ADDRESS_SCL 0x3D
+#define IS31FL3236_I2C_ADDRESS_SDA 0x3E
+#define IS31FL3236_I2C_ADDRESS_VCC 0x3F
+
+#if defined(RGB_MATRIX_IS31FL3236)
+# define IS31FL3236_LED_COUNT RGB_MATRIX_LED_COUNT
+#endif
+
+#if defined(IS31FL3236_I2C_ADDRESS_4)
+# define IS31FL3236_DRIVER_COUNT 4
+#elif defined(IS31FL3236_I2C_ADDRESS_3)
+# define IS31FL3236_DRIVER_COUNT 3
+#elif defined(IS31FL3236_I2C_ADDRESS_2)
+# define IS31FL3236_DRIVER_COUNT 2
+#elif defined(IS31FL3236_I2C_ADDRESS_1)
+# define IS31FL3236_DRIVER_COUNT 1
+#endif
+
+typedef struct is31fl3236_led_t {
+ uint8_t driver : 2;
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+} PACKED is31fl3236_led_t;
+
+extern const is31fl3236_led_t PROGMEM g_is31fl3236_leds[IS31FL3236_LED_COUNT];
+
+void is31fl3236_init_drivers(void);
+
+void is31fl3236_init(uint8_t index);
+
+void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data);
+
+void is31fl3236_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
+
+void is31fl3236_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
+
+void is31fl3236_set_led_control_register(uint8_t index, bool red, bool green, bool blue);
+
+void is31fl3236_update_pwm_buffers(uint8_t index);
+
+void is31fl3236_update_led_control_registers(uint8_t index);
+
+void is31fl3236_flush(void);
+
+#define IS31FL3236_PWM_FREQUENCY_3K_HZ 0b0
+#define IS31FL3236_PWM_FREQUENCY_22K_HZ 0b1
+
+#define OUT1 0x00
+#define OUT2 0x01
+#define OUT3 0x02
+#define OUT4 0x03
+#define OUT5 0x04
+#define OUT6 0x05
+#define OUT7 0x06
+#define OUT8 0x07
+#define OUT9 0x08
+#define OUT10 0x09
+#define OUT11 0x0A
+#define OUT12 0x0B
+#define OUT13 0x0C
+#define OUT14 0x0D
+#define OUT15 0x0E
+#define OUT16 0x0F
+#define OUT17 0x10
+#define OUT18 0x11
+#define OUT19 0x12
+#define OUT20 0x13
+#define OUT21 0x14
+#define OUT22 0x15
+#define OUT23 0x16
+#define OUT24 0x17
+#define OUT25 0x18
+#define OUT26 0x19
+#define OUT27 0x1A
+#define OUT28 0x1B
+#define OUT29 0x1C
+#define OUT30 0x1D
+#define OUT31 0x1E
+#define OUT32 0x1F
+#define OUT33 0x20
+#define OUT34 0x21
+#define OUT35 0x22
+#define OUT36 0x23
diff --git a/drivers/ws2812.h b/drivers/ws2812.h
index 134de51c50..993cce8ce4 100644
--- a/drivers/ws2812.h
+++ b/drivers/ws2812.h
@@ -62,6 +62,8 @@
# define WS2812_LED_COUNT RGB_MATRIX_LED_COUNT
#endif
+void ws2812_init(void);
+
/* User Interface
*
* Input: