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-rw-r--r--sw/z80/kernel/include/drivers/ctc.h6
-rw-r--r--sw/z80/kernel/include/drivers/pio.h37
-rw-r--r--sw/z80/kernel/include/drivers/usart.h155
3 files changed, 0 insertions, 198 deletions
diff --git a/sw/z80/kernel/include/drivers/ctc.h b/sw/z80/kernel/include/drivers/ctc.h
deleted file mode 100644
index 80e8b4b..0000000
--- a/sw/z80/kernel/include/drivers/ctc.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __CTC_H__
-#define __CTC_H__
-
-void ctc_control();
-
-#endif /* __CTC_H__ */
diff --git a/sw/z80/kernel/include/drivers/pio.h b/sw/z80/kernel/include/drivers/pio.h
deleted file mode 100644
index 0df2ed0..0000000
--- a/sw/z80/kernel/include/drivers/pio.h
+++ /dev/null
@@ -1,37 +0,0 @@
-#ifndef __PIO_H__
-#define __PIO_H__
-
-#include "devices.h"
-#include "types.h"
-
-#define PIO_A 0
-#define PIO_B 1
-
-#define PIO_MODE_BYTE_IN 0
-#define PIO_MODE_BYTE_OUT 1
-#define PIO_MODE_BYTE_BI 2
-#define PIO_MODE_BIT_IO 3
-
-#define PIO_INT_ACTIVE_HIGH (1<<5)
-#define PIO_INT_AND_MODE (1<<6)
-#define PIO_INT_ENABLE (1<<7)
-
-
-inline void _pio_data(int port, uint8_t data);
-inline void _pio_control(int port, uint8_t cmd);
-
-void pio_set_mode(int port, int mode, uint8_t io);
-
-void pio_set_interrupts(int port, int control);
-void pio_set_interrupts_mask(int port, int control, uint8_t mask);
-
-// uint8_t pio_read_data(int port);
-uint8_t pio_read(int port);
-void pio_write(int port, uint8_t data);
-
-inline int pio_read_pin(int port, uint8_t pin);
-inline void pio_write_pin(int port, uint8_t pin);
-
-// TODO: implement mode (in/out/both) and interrupt vector
-
-#endif // __PIO_H__
diff --git a/sw/z80/kernel/include/drivers/usart.h b/sw/z80/kernel/include/drivers/usart.h
deleted file mode 100644
index b85ee3e..0000000
--- a/sw/z80/kernel/include/drivers/usart.h
+++ /dev/null
@@ -1,155 +0,0 @@
-#ifndef __USART_H__
-#define __USART_H__
-
-#include "types.h"
-#include "devices.h"
-
-#include "string.h"
-
-// baudrate clock divisors
-// values from TL16C550C datasheet (table 9 for 1.8432 MHz crystal)
-#define USART_BAUDRATE_50 2304
-#define USART_BAUDRATE_75 1536
-#define USART_BAUDRATE_110 1047
-#define USART_BAUDRATE_134_5 857
-#define USART_BAUDRATE_150 768
-#define USART_BAUDRATE_300 384
-#define USART_BAUDRATE_600 192
-#define USART_BAUDRATE_1200 96
-#define USART_BAUDRATE_1800 64
-#define USART_BAUDRATE_2000 58
-#define USART_BAUDRATE_2400 48
-#define USART_BAUDRATE_3600 32
-#define USART_BAUDRATE_4800 24
-#define USART_BAUDRATE_7200 16
-#define USART_BAUDRATE_9600 12
-#define USART_BAUDRATE_19200 6
-#define USART_BAUDRATE_38400 3
-#define USART_BAUDRATE_56000 3
-
-// parity
-#define USART_PARITY_NONE 0
-#define USART_PARITY_EVEN 1
-#define USART_PARITY_ODD 2
-
-// stop bits
-#define USART_STOP_BITS_1 10
-#define USART_STOP_BITS_15 15
-#define USART_STOP_BITS_2 20
-
-// word lenght
-#define USART_WORD_LENGTH_5 0
-#define USART_WORD_LENGTH_6 1
-#define USART_WORD_LENGTH_7 2
-#define USART_WORD_LENGTH_8 3
-
-// autoflow
-#define USART_AUTOFLOW_ALL 3
-#define USART_AUTOFLOW_CTS 2
-#define USART_AUTOFLOW_OFF 0
-
-/* stuctures for usart registers */
-struct IER
-{
- volatile uint received_data_interrupt :1;
- volatile uint transmitter_empty_interrupt :1;
- volatile uint receiver_line_status_interrupt :1;
- volatile uint modem_status_interrupt :1;
- volatile uint reserved :4;
-};
-
-struct IIR
-{
- volatile uint interrupt_pending :1;
- volatile uint interrupt_id :3;
- volatile uint reserved :2;
- volatile uint fifos :2;
-};
-
-struct FCR
-{
- volatile uint fifo_enable :1;
- volatile uint receiver_fifo_rst :1;
- volatile uint trasmitter_fifo_rst :1;
- volatile uint dma_mode_select :1;
- volatile uint reserved :1;
- volatile uint receiver_trigger :2;
-};
-
-struct LCR
-{
- volatile uint word_length :2;
- volatile uint stop_bits :1;
- volatile uint parity :1;
- volatile uint even_parity :1;
- volatile uint stick_parity :1;
- volatile uint break_control :1;
- volatile uint divisor_latch_access :1;
-};
-
-struct MCR
-{
- volatile uint data_terminal_ready :1;
- volatile uint request_to_send :1;
- volatile uint out1;
- volatile uint out2;
- volatile uint loop;
- volatile uint autoflow :1;
- volatile uint reserved :2;
-};
-
-struct LSR
-{
- volatile uint data_ready :1;
- volatile uint overrun_error :1;
- volatile uint parity_error :1;
- volatile uint framing_error :1;
- volatile uint break_interrupt :1;
- volatile uint transmitter_holder_empty :1;
- volatile uint transmitter_empty :1;
- volatile uint fifo_recv_error :1;
-};
-
-struct MSR
-{
- volatile uint delta_cts :1;
- volatile uint delta_data_set_ready :1;
- volatile uint trailing_edge_ring_indicator :1;
- volatile uint delta_data_carrier_detect :1;
- volatile uint clear_to_send :1;
- volatile uint data_set_ready :1;
- volatile uint ring_indicator :1;
- volatile uint data_carrier_detect :1;
-};
-
-/* this structure is only for internal usage */
-struct _usart_device
-{
- register_t buffer; // also used as LSB for divisor latch
- struct IER IER;
- struct IIR IIR;
- struct FCR FCR;
- struct LCR LCR;
- struct MCR MCR;
- struct LSR LSR;
- struct MSR MSR;
- register_t scratch;
-};
-
-
-// setup functions (wrappers)
-void usart_set_baudrate(uint16_t baudrate);
-void usart_set_parity(int mode);
-void usart_set_stop_bits(int count);
-void usart_set_word_length(int length);
-void usart_set_autoflow(int mode);
-
-inline void usart_init(uint16_t baudrate, int parity, int stop_bits);
-
-void usart_transmit(uint8_t data);
-uint8_t usart_receive();
-
-int usart_write(uint8_t *data, size_t size);
-int usart_read(uint8_t *buffer, size_t count);
-
-#endif // __USART__H__