From owner-svn-src-head@freebsd.org Thu Dec 17 17:11:15 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 6A26C4BD4EF; Thu, 17 Dec 2020 17:11:15 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CxdnH2dZ8z4RHq; Thu, 17 Dec 2020 17:11:15 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4D8C61C212; Thu, 17 Dec 2020 17:11:15 +0000 (UTC) (envelope-from manu@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 0BHHBFM4076090; Thu, 17 Dec 2020 17:11:15 GMT (envelope-from manu@FreeBSD.org) Received: (from manu@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 0BHHBEeZ076088; Thu, 17 Dec 2020 17:11:14 GMT (envelope-from manu@FreeBSD.org) Message-Id: <202012171711.0BHHBEeZ076088@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: manu set sender to manu@FreeBSD.org using -f From: Emmanuel Vadot Date: Thu, 17 Dec 2020 17:11:14 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r368725 - head/sys/dev/spibus X-SVN-Group: head X-SVN-Commit-Author: manu X-SVN-Commit-Paths: head/sys/dev/spibus X-SVN-Commit-Revision: 368725 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Dec 2020 17:11:15 -0000 Author: manu Date: Thu Dec 17 17:11:14 2020 New Revision: 368725 URL: https://svnweb.freebsd.org/changeset/base/368725 Log: Add IRQ resource to SPIBUS Add capability to SPIBUS to have child device with IRQ. For example many ADC chip have a dedicated pin to signal "data ready" and the host can just wait for a interrupt to go out and read the result. It is the same code as in R282674 and R282702 for IICBUS by Michal Meloun Submitted by: Oskar Holmund Differential Revision: https://reviews.freebsd.org/D27396 Modified: head/sys/dev/spibus/ofw_spibus.c head/sys/dev/spibus/spibus.c head/sys/dev/spibus/spibusvar.h Modified: head/sys/dev/spibus/ofw_spibus.c ============================================================================== --- head/sys/dev/spibus/ofw_spibus.c Thu Dec 17 17:09:43 2020 (r368724) +++ head/sys/dev/spibus/ofw_spibus.c Thu Dec 17 17:11:14 2020 (r368725) @@ -152,6 +152,10 @@ ofw_spibus_attach(device_t dev) continue; } childdev = device_add_child(dev, NULL, -1); + + resource_list_init(&dinfo->opd_dinfo.rl); + ofw_bus_intr_to_rl(childdev, child, + &dinfo->opd_dinfo.rl, NULL); device_set_ivars(childdev, dinfo); } @@ -198,6 +202,15 @@ ofw_spibus_get_devinfo(device_t bus, device_t dev) return (&dinfo->opd_obdinfo); } +static struct resource_list * +ofw_spibus_get_resource_list(device_t bus __unused, device_t child) +{ + struct spibus_ivar *devi; + + devi = SPIBUS_IVAR(child); + return (&devi->rl); +} + static device_method_t ofw_spibus_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ofw_spibus_probe), @@ -206,6 +219,7 @@ static device_method_t ofw_spibus_methods[] = { /* Bus interface */ DEVMETHOD(bus_child_pnpinfo_str, ofw_bus_gen_child_pnpinfo_str), DEVMETHOD(bus_add_child, ofw_spibus_add_child), + DEVMETHOD(bus_get_resource_list, ofw_spibus_get_resource_list), /* ofw_bus interface */ DEVMETHOD(ofw_bus_get_devinfo, ofw_spibus_get_devinfo), Modified: head/sys/dev/spibus/spibus.c ============================================================================== --- head/sys/dev/spibus/spibus.c Thu Dec 17 17:09:43 2020 (r368724) +++ head/sys/dev/spibus/spibus.c Thu Dec 17 17:11:14 2020 (r368725) @@ -101,6 +101,8 @@ spibus_print_child(device_t dev, device_t child) retval += bus_print_child_header(dev, child); retval += printf(" at cs %d", devi->cs); retval += printf(" mode %d", devi->mode); + retval += resource_list_print_type(&devi->rl, "irq", + SYS_RES_IRQ, "%jd"); retval += bus_print_child_footer(dev, child); return (retval); @@ -202,6 +204,7 @@ spibus_add_child(device_t dev, u_int order, const char device_delete_child(dev, child); return (0); } + resource_list_init(&devi->rl); device_set_ivars(child, devi); return (child); } @@ -210,6 +213,7 @@ static void spibus_hinted_child(device_t bus, const char *dname, int dunit) { device_t child; + int irq; struct spibus_ivar *devi; child = BUS_ADD_CHILD(bus, 0, dname, dunit); @@ -218,8 +222,22 @@ spibus_hinted_child(device_t bus, const char *dname, i resource_int_value(dname, dunit, "clock", &devi->clock); resource_int_value(dname, dunit, "cs", &devi->cs); resource_int_value(dname, dunit, "mode", &devi->mode); + if (resource_int_value(dname, dunit, "irq", &irq) == 0) { + if (bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1) != 0) + device_printf(bus, + "Warning: bus_set_resource() failed\n"); + } } +static struct resource_list * +spibus_get_resource_list(device_t bus __unused, device_t child) +{ + struct spibus_ivar *devi; + + devi = SPIBUS_IVAR(child); + return (&devi->rl); +} + static int spibus_transfer_impl(device_t dev, device_t child, struct spi_command *cmd) { @@ -236,6 +254,17 @@ static device_method_t spibus_methods[] = { DEVMETHOD(device_resume, spibus_resume), /* Bus interface */ + DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), + DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), + DEVMETHOD(bus_release_resource, bus_generic_release_resource), + DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), + DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), + DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), + DEVMETHOD(bus_alloc_resource, bus_generic_rl_alloc_resource), + DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource), + DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource), + DEVMETHOD(bus_get_resource_list, spibus_get_resource_list), + DEVMETHOD(bus_add_child, spibus_add_child), DEVMETHOD(bus_print_child, spibus_print_child), DEVMETHOD(bus_probe_nomatch, spibus_probe_nomatch), Modified: head/sys/dev/spibus/spibusvar.h ============================================================================== --- head/sys/dev/spibus/spibusvar.h Thu Dec 17 17:09:43 2020 (r368724) +++ head/sys/dev/spibus/spibusvar.h Thu Dec 17 17:11:14 2020 (r368725) @@ -43,6 +43,7 @@ struct spibus_ivar uint32_t cs; uint32_t mode; uint32_t clock; + struct resource_list rl; }; #define SPIBUS_CS_HIGH (1U << 31)