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/** @file
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/** @file
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 * @brief   Z8530 keyboard port driver.
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 * @brief   Z8530 keyboard port driver.
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 */
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 */
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <ipc/bus.h>
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#include <async.h>
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#include <async.h>
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#include <sysinfo.h>
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#include <sysinfo.h>
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#include <kbd.h>
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#include <kbd.h>
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#include <kbd_port.h>
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#include <kbd_port.h>
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#include <sys/types.h>
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#include <sys/types.h>
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/** Top-half pseudocode for z8530. */
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#define CHAN_A_STATUS   4
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#define CHAN_A_DATA 6
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#define RR0_RCA 1
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irq_cmd_t z8530_cmds[] = {
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static irq_cmd_t z8530_cmds[] = {
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    {
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        .cmd = CMD_PIO_READ_8,
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        .addr = (void *) 0, /* will be patched in run-time */
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        .dstarg = 1
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    },
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    {
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        .cmd = CMD_BTEST,
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        .value = RR0_RCA,
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        .srcarg = 1,
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        .dstarg = 3
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    },
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    {
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    {
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        .cmd = CMD_PREDICATE,
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        .value = 2,
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        .srcarg = 3
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    },
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    {
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        CMD_MEM_READ_1,
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        .cmd = CMD_PIO_READ_8,
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        0,      /**< Address. Will be patched in run-time. */
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        .addr = (void *) 0, /* will be patched in run-time */
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        0,      /**< Value. Not used. */
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        .dstarg = 2
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    },
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    {
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        1       /**< Arg 1 will contain the result. */
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        .cmd = CMD_ACCEPT
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    }
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    }
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};
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};
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irq_code_t z8530_kbd = {
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irq_code_t z8530_kbd = {
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    1,
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    sizeof(z8530_cmds) / sizeof(irq_cmd_t),
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    z8530_cmds
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    z8530_cmds
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};
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};
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static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call);
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static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call);
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int kbd_port_init(void)
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int kbd_port_init(void)
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{
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{
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    async_set_interrupt_received(z8530_irq_handler);
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    async_set_interrupt_received(z8530_irq_handler);
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    z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual") + 6;
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    z8530_cmds[0].addr = (void *) sysinfo_value("kbd.address.virtual") +
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        CHAN_A_STATUS;
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    z8530_cmds[3].addr = (void *) sysinfo_value("kbd.address.virtual") +
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        CHAN_A_DATA;
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    ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"),
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    ipc_register_irq(sysinfo_value("kbd.inr"), sysinfo_value("kbd.devno"),
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        0, &z8530_kbd);
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        sysinfo_value("kbd.inr"), &z8530_kbd);
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    return 0;
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    return 0;
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}
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}
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static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call)
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static void z8530_irq_handler(ipc_callid_t iid, ipc_call_t *call)
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{
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{
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    int scan_code = IPC_GET_ARG1(*call);
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    int scan_code = IPC_GET_ARG2(*call);
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    kbd_push_scancode(scan_code);
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    kbd_push_scancode(scan_code);
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    if (cir_service)
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        async_msg_1(cir_phone, BUS_CLEAR_INTERRUPT,
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            IPC_GET_METHOD(*call));
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}
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}
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/** @}
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/** @}
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 */
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 */