chip/atxmega128a1/include/chip/tc.h

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#ifndef CHIP_TC_H_INCLUDED
#define CHIP_TC_H_INCLUDED

#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <clk/sys.h>
#include <regs/xmega_tc.h>

static inline uint8_t tc_get_sysclk_port(uint8_t tc_id)
{
        switch (tc_id) {
        case 0: /* Fall through. */
        case 1:
                return SYSCLK_PORT_C;

        case 2: /* Fall through. */
        case 3:
                return SYSCLK_PORT_D;

        case 4: /* Fall through. */
        case 5:
                return SYSCLK_PORT_E;

        case 6: /* Fall through. */
        case 7:
                return SYSCLK_PORT_F;

        default:
                unhandled_case(tc_id);
                return 0;
        }
}

static inline uint8_t tc_get_sysclk_id(uint8_t tc_id)
{
        switch (tc_id) {
        case 0: /* Fall through */
        case 2:
        case 4:
        case 6:
                return SYSCLK_TC0;

        case 1: /* Fall through */
        case 3:
        case 5:
        case 7:
                return SYSCLK_TC1;

        default:
                unhandled_case(tc_id);
                return 0;
        }
}

static inline void tc_enable_pclk(uint8_t tc_id)
{
        sysclk_enable_module(tc_get_sysclk_port(tc_id),
                        tc_get_sysclk_id(tc_id));
}

static inline void tc_disable_pclk(uint8_t tc_id)
{
        sysclk_disable_module(tc_get_sysclk_port(tc_id),
                        tc_get_sysclk_id(tc_id));
}

static inline bool tc_pclk_is_enabled(uint8_t tc_id)
{
        return sysclk_module_is_enabled(tc_get_sysclk_port(tc_id),
                        tc_get_sysclk_id(tc_id));
}

static inline uint32_t tc_get_pclk_hz(uint8_t tc_id)
{
        return (uint32_t)CONFIG_CPU_HZ;
}


#endif /* CHIP_TC_H_INCLUDED */

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