From bf7070232fe2b26de0375bc7517213e655ce9e5d Mon Sep 17 00:00:00 2001 From: Christian Mauderer Date: Fri, 9 Feb 2018 08:59:27 +0100 Subject: dev/sc16is752: Add GPIO access via ioctl. --- cpukit/dev/serial/sc16is752.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'cpukit/dev/serial/sc16is752.c') diff --git a/cpukit/dev/serial/sc16is752.c b/cpukit/dev/serial/sc16is752.c index 74c3ad3d7a..153b589ac1 100644 --- a/cpukit/dev/serial/sc16is752.c +++ b/cpukit/dev/serial/sc16is752.c @@ -282,6 +282,7 @@ static int sc16is752_ioctl( ) { sc16is752_context *ctx = (sc16is752_context *)base; + uint8_t regval; switch (request) { case SC16IS752_SET_SLEEP_MODE: @@ -290,6 +291,25 @@ static int sc16is752_ioctl( case SC16IS752_GET_SLEEP_MODE: *(int *)buffer = is_sleep_mode_enabled(ctx); break; + case SC16IS752_SET_IOCONTROL: + regval = (*(uint8_t *)buffer) & ~SC16IS752_IOCONTROL_SRESET; + write_reg(ctx, SC16IS752_IOCONTROL, ®val, 1); + break; + case SC16IS752_GET_IOCONTROL: + read_reg(ctx, SC16IS752_IOCONTROL, (uint8_t *)buffer, 1); + break; + case SC16IS752_SET_IODIR: + write_reg(ctx, SC16IS752_IODIR, (uint8_t *)buffer, 1); + break; + case SC16IS752_GET_IODIR: + read_reg(ctx, SC16IS752_IODIR, (uint8_t *)buffer, 1); + break; + case SC16IS752_SET_IOSTATE: + write_reg(ctx, SC16IS752_IOSTATE, (uint8_t *)buffer, 1); + break; + case SC16IS752_GET_IOSTATE: + read_reg(ctx, SC16IS752_IOSTATE, (uint8_t *)buffer, 1); + break; default: rtems_set_errno_and_return_minus_one(EINVAL); } -- cgit v1.2.3