#include <stdio.h>

#include "port_common.h"
#include "wizchip_conf.h"
#include "wizchip_spi.h"
#include "wizchip_qspi_pio.h"
#include "pico/stdlib.h"
#include "pico/binary_info.h"
#include "pico/critical_section.h"
#include "hardware/dma.h"

static critical_section_t g_wizchip_cri_sec;

wiznet_spi_config_t g_spi_config = {
    .clock_div_major = WIZNET_SPI_CLKDIV_MAJOR_DEFAULT,
    .clock_div_minor = WIZNET_SPI_CLKDIV_MINOR_DEFAULT,
    .clock_pin = PIO_SPI_SCK_PIN,
    .data_io0_pin = PIO_SPI_DATA_IO0_PIN,
    .data_io1_pin = PIO_SPI_DATA_IO1_PIN,
    .data_io2_pin = PIO_SPI_DATA_IO2_PIN,
    .data_io3_pin = PIO_SPI_DATA_IO3_PIN,
    .cs_pin = PIN_CS,
    .reset_pin = PIN_RST,
    .irq_pin = PIN_INT,
};

wiznet_spi_handle_t spi_handle;

void wizchip_reset() {
    gpio_init(PIN_RST);
    gpio_set_dir(PIN_RST, GPIO_OUT);
    gpio_put(PIN_RST, 0);
    sleep_ms(100);
    gpio_put(PIN_RST, 1);
    sleep_ms(100);
}

static void wizchip_critical_section_lock(void) {
    critical_section_enter_blocking(&g_wizchip_cri_sec);
}

static void wizchip_critical_section_unlock(void) {
    critical_section_exit(&g_wizchip_cri_sec);
}

void wizchip_spi_initialize(void) {
    spi_handle = wiznet_spi_pio_open(&g_spi_config);
    (*spi_handle)->set_active(spi_handle);
}

void wizchip_cris_initialize(void) {
    critical_section_init(&g_wizchip_cri_sec);
    reg_wizchip_cris_cbfunc(wizchip_critical_section_lock, wizchip_critical_section_unlock);
}

void wizchip_initialize(void) {
    (*spi_handle)->frame_end();
    reg_wizchip_qspi_cbfunc((*spi_handle)->read_byte, (*spi_handle)->write_byte);
    reg_wizchip_cs_cbfunc((*spi_handle)->frame_start, (*spi_handle)->frame_end);

    uint8_t memsize[2][8] = {{4, 4, 4, 4, 4, 4, 4, 4}, {4, 4, 4, 4, 4, 4, 4, 4}};
    ctlwizchip(CW_INIT_WIZCHIP, (void *)memsize);
}

void wizchip_check(void) {
    if (getCIDR() != 0x6300) {
        printf("W6300 ACCESS ERR: CIDR = 0x%04x\n", getCIDR());
        while (1);
    }
}

void network_initialize(wiz_NetInfo net_info) {
    uint8_t syslock = SYS_NET_LOCK;
    ctlwizchip(CW_SYS_UNLOCK, &syslock);
    ctlnetwork(CN_SET_NETINFO, (void *)&net_info);
}