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Diffstat (limited to 'tmk_core/protocol/arm_atsam/i2c_master.h')
-rw-r--r--tmk_core/protocol/arm_atsam/i2c_master.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/tmk_core/protocol/arm_atsam/i2c_master.h b/tmk_core/protocol/arm_atsam/i2c_master.h
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+++ b/tmk_core/protocol/arm_atsam/i2c_master.h
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+/*
+Copyright 2018 Massdrop Inc.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+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.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _I2C_MASTER_H_
+#define _I2C_MASTER_H_
+
+#ifndef MD_BOOTLOADER
+
+#include "samd51j18a.h"
+#include "issi3733_driver.h"
+#include "config.h"
+
+__attribute__((__aligned__(16)))
+DmacDescriptor dmac_desc;
+__attribute__((__aligned__(16)))
+DmacDescriptor dmac_desc_wb;
+
+uint8_t I2C3733_Init_Control(void);
+uint8_t I2C3733_Init_Drivers(void);
+void I2C3733_Control_Set(uint8_t state);
+void I2C_DMAC_LED_Init(void);
+
+#define I2C_Q_SIZE 100
+
+#define I2C_Q_NA 100
+#define I2C_Q_CRWL 101
+#define I2C_Q_PAGE_SELECT 102
+#define I2C_Q_PWM 103
+#define I2C_Q_GCR 104
+#define I2C_Q_ONOFF 105
+
+#define I2C_DMA_MAX_SEND 255
+
+extern volatile uint8_t i2c_led_q_running;
+
+#define I2C_LED_Q_PWM(a) { \
+ if (i2c_led_q_request_room(7)) \
+ { \
+ i2c_led_q_add(I2C_Q_CRWL); \
+ i2c_led_q_add(a); \
+ i2c_led_q_add(I2C_Q_PAGE_SELECT); \
+ i2c_led_q_add(a); \
+ i2c_led_q_add(ISSI3733_PG_PWM); \
+ i2c_led_q_add(I2C_Q_PWM); \
+ i2c_led_q_add(a); \
+ } \
+ }
+
+#define I2C_LED_Q_GCR(a) { \
+ if (i2c_led_q_request_room(7)) \
+ { \
+ i2c_led_q_add(I2C_Q_CRWL); \
+ i2c_led_q_add(a); \
+ i2c_led_q_add(I2C_Q_PAGE_SELECT); \
+ i2c_led_q_add(a); \
+ i2c_led_q_add(ISSI3733_PG_FN); \
+ i2c_led_q_add(I2C_Q_GCR); \
+ i2c_led_q_add(a); \
+ } \
+ }
+
+#define I2C_LED_Q_ONOFF(a) { \
+ if (i2c_led_q_request_room(7)) \
+ { \
+ i2c_led_q_add(I2C_Q_CRWL); \
+ i2c_led_q_add(a); \
+ i2c_led_q_add(I2C_Q_PAGE_SELECT); \
+ i2c_led_q_add(a); \
+ i2c_led_q_add(ISSI3733_PG_ONOFF); \
+ i2c_led_q_add(I2C_Q_ONOFF); \
+ i2c_led_q_add(a); \
+ } \
+ }
+
+
+void i2c_led_q_init(void);
+void i2c_led_q_add(uint8_t cmd);
+void i2c_led_q_s_advance(void);
+uint8_t i2c_led_q_size(void);
+uint8_t i2c_led_q_request_room(uint8_t request_size);
+uint8_t i2c_led_q_run(void);
+
+void i2c1_init(void);
+uint8_t i2c1_transmit(uint8_t address, uint8_t *data, uint16_t length, uint16_t timeout);
+void i2c1_stop(void);
+
+#endif //MD_BOOTLOADER
+
+void i2c0_init(void);
+uint8_t i2c0_transmit(uint8_t address, uint8_t *data, uint16_t length, uint16_t timeout);
+void i2c0_stop(void);
+
+#endif // _I2C_MASTER_H_
+