From owner-svn-src-head@freebsd.org Tue Jul 28 11:13:38 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 47AAF3A65CF; Tue, 28 Jul 2020 11:13:38 +0000 (UTC) (envelope-from andrew@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 4BGDZB18L1z4GwW; Tue, 28 Jul 2020 11:13:38 +0000 (UTC) (envelope-from andrew@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 0B5F7E423; Tue, 28 Jul 2020 11:13:38 +0000 (UTC) (envelope-from andrew@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 06SBDbE9047710; Tue, 28 Jul 2020 11:13:37 GMT (envelope-from andrew@FreeBSD.org) Received: (from andrew@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 06SBDbBn047709; Tue, 28 Jul 2020 11:13:37 GMT (envelope-from andrew@FreeBSD.org) Message-Id: <202007281113.06SBDbBn047709@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: andrew set sender to andrew@FreeBSD.org using -f From: Andrew Turner Date: Tue, 28 Jul 2020 11:13:37 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r363645 - head/sys/arm/broadcom/bcm2835 X-SVN-Group: head X-SVN-Commit-Author: andrew X-SVN-Commit-Paths: head/sys/arm/broadcom/bcm2835 X-SVN-Commit-Revision: 363645 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: 2.1.33 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: Tue, 28 Jul 2020 11:13:38 -0000 Author: andrew Date: Tue Jul 28 11:13:37 2020 New Revision: 363645 URL: https://svnweb.freebsd.org/changeset/base/363645 Log: Aadd Raspberry Pi firmware messages to manage GPIOs Some GPIOs are managed by an external IO expaandder through the firmware. Add the message details for these. Sponsored by: Innovate UK Modified: head/sys/arm/broadcom/bcm2835/bcm2835_firmware.h Modified: head/sys/arm/broadcom/bcm2835/bcm2835_firmware.h ============================================================================== --- head/sys/arm/broadcom/bcm2835/bcm2835_firmware.h Tue Jul 28 10:58:37 2020 (r363644) +++ head/sys/arm/broadcom/bcm2835/bcm2835_firmware.h Tue Jul 28 11:13:37 2020 (r363645) @@ -142,6 +142,61 @@ union msg_set_turbo_body { } resp; }; +#define BCM2835_FIRMWARE_TAG_GET_GPIO_STATE 0x00030041 +#define BCM2835_FIRMWARE_TAG_SET_GPIO_STATE 0x00038041 +#define BCM2835_FIRMWARE_TAG_GET_GPIO_CONFIG 0x00030043 +#define BCM2835_FIRMWARE_TAG_SET_GPIO_CONFIG 0x00038043 + +#define BCM2835_FIRMWARE_GPIO_IN 0 +#define BCM2835_FIRMWARE_GPIO_OUT 1 + +union msg_get_gpio_state { + struct { + uint32_t gpio; + } req; + struct { + uint32_t gpio; + uint32_t state; + } resp; +}; + +union msg_set_gpio_state { + struct { + uint32_t gpio; + uint32_t state; + } req; + struct { + uint32_t gpio; + } resp; +}; + +union msg_get_gpio_config { + struct { + uint32_t gpio; + } req; + struct { + uint32_t gpio; + uint32_t dir; + uint32_t pol; + uint32_t term_en; + uint32_t term_pull_up; + } resp; +}; + +union msg_set_gpio_config { + struct { + uint32_t gpio; + uint32_t dir; + uint32_t pol; + uint32_t term_en; + uint32_t term_pull_up; + uint32_t state; + } req; + struct { + uint32_t gpio; + } resp; +}; + int bcm2835_firmware_property(device_t, uint32_t, void *, size_t); #endif