Date: Tue, 26 Jul 2016 23:42:42 +0000 (UTC) From: Ian Lepore <ian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r303350 - head/sys/dev/usb/serial Message-ID: <201607262342.u6QNggsp022442@repo.freebsd.org>
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Author: ian Date: Tue Jul 26 23:42:42 2016 New Revision: 303350 URL: https://svnweb.freebsd.org/changeset/base/303350 Log: Translate modem status reg bits from ns16550 to SER_* values used by the tty layer. Also annotate a switch case fall-through per style(9). Modified: head/sys/dev/usb/serial/umct.c Modified: head/sys/dev/usb/serial/umct.c ============================================================================== --- head/sys/dev/usb/serial/umct.c Tue Jul 26 23:40:25 2016 (r303349) +++ head/sys/dev/usb/serial/umct.c Tue Jul 26 23:42:42 2016 (r303350) @@ -86,6 +86,15 @@ __FBSDID("$FreeBSD$"); #define UMCT_SET_MCR 10 /* Set Modem Control Register */ #define UMCT_SET_MCR_SIZE 1 +#define UMCT_MSR_CTS_CHG 0x01 +#define UMCT_MSR_DSR_CHG 0x02 +#define UMCT_MSR_RI_CHG 0x04 +#define UMCT_MSR_CD_CHG 0x08 +#define UMCT_MSR_CTS 0x10 +#define UMCT_MSR_RTS 0x20 +#define UMCT_MSR_RI 0x40 +#define UMCT_MSR_CD 0x80 + #define UMCT_INTR_INTERVAL 100 #define UMCT_IFACE_INDEX 0 #define UMCT_CONFIG_INDEX 0 @@ -384,11 +393,23 @@ umct_intr_callback_sub(struct usb_xfer * pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_out(pc, 0, buf, sizeof(buf)); - sc->sc_msr = buf[0]; + /* + * MSR bits need translation from ns16550 to SER_* values. + * LSR bits are ns16550 in hardware and ucom. + */ + sc->sc_msr = 0; + if (buf[0] & UMCT_MSR_CTS) + sc->sc_msr |= SER_CTS; + if (buf[0] & UMCT_MSR_CD) + sc->sc_msr |= SER_DCD; + if (buf[0] & UMCT_MSR_RI) + sc->sc_msr |= SER_RI; + if (buf[0] & UMCT_MSR_RTS) + sc->sc_msr |= SER_DSR; sc->sc_lsr = buf[1]; ucom_status_change(&sc->sc_ucom); - + /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
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