;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu installer hardware)
  #:use-module (gnu build linux-modules)
  #:use-module (guix i18n)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-71)
  #:export (unsupported-pci-device?
            pci-device-description))

(define %unsupported-linux-modules
  ;; List of Linux modules that are useless without non-free firmware.
  ;;
  ;; Currently only drivers for PCI devices are listed.  USB devices such as
  ;; "btintel" would require support to list USB devices and read the USB
  ;; device ID database.  Punt for now as this is usually less critical.
  ;;
  ;; This list is currently manually maintained based on information on
  ;; non-free firmware available from
  ;; <https://packages.debian.org/search?keywords=firmware&searchon=names&suite=stable&section=all>.
  '(;; WiFi.
    "brcmfmac"
    "ipw2100"
    "ipw2200"
    "iwlwifi"
    "mwl8k"
    "rtl8188ee"
    "rtl818x_pci"
    "rtl8192ce"
    "rtl8192de"
    "rtl8192ee"

    ;; Ethernet.
    "bnx2"
    "bnx2x"
    "liquidio"

    ;; Graphics.
    "amdgpu"
    "radeon"

    ;; Multimedia.
    "ivtv"))

(define unsupported-pci-device?
  ;; Arrange to load the module alias database only once.
  (let ((aliases (delay (known-module-aliases))))
    (lambda (device)
      "Return true if DEVICE is known to not be supported by free software."
      (any (lambda (module)
             (member module %unsupported-linux-modules))
           (matching-modules (pci-device-module-alias device)
                             (force aliases))))))

(define (pci-device-description pci-database)
  "Return a procedure that, given a PCI device, returns a string describing
it."
  (define (with-fallback lookup)
    (lambda (vendor-id id)
      (let ((vendor name (lookup vendor-id id)))
        (values (or vendor (number->string vendor-id 16))
                (or name (number->string id 16))))))

  (define pci-lookup
    (with-fallback (load-pci-device-database pci-database)))

  (lambda (device)
    (let ((vendor name (pci-lookup (pci-device-vendor device)
                                   (pci-device-id device))))
      (if (network-pci-device? device)
          ;; TRANSLATORS: The two placeholders are the manufacturer
          ;; and name of a PCI device.
          (format #f (G_ "~a ~a (networking device)")
                  vendor name)
          (string-append vendor " " name)))))
f='/guix/commit/gnu/services/audio.scm?id=970cb5ceceaa85765230a9f896a43783cdcb4e6c'>services: mpd: Connect to the user's PulseAudio socket.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/audio.scm (mpd-shepherd-service): Set the XDG_RUNTIME_DIR
environment variable.

Signed-off-by: Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;
</span></span></td><td>Robert Smith</td></tr>
<tr><td><span title='2019-10-29 15:14:22 +0100'>2019-10-29</span></td><td><a href='/guix/commit/gnu/services/audio.scm?id=878e0e1bb0d15809c6582436d53498f3e6385524'>gnu: mpd-service-type: Support configuration of outputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/audio.scm (&lt;mpd-output&gt;): New record type.
(&lt;mpd-configuration&gt;)[outputs]: New field.
(mpd-output, mpd-output?, mpd-output-&gt;string): New procedures.
(mpd-config-&gt;file): Use mpd-output-&gt;string.
* doc/guix.texi (Audio Services): Document mpd-output fields.
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2019-03-15 23:27:59 +0100'>2019-03-15</span></td><td><a href='/guix/commit/gnu/services/audio.scm?id=c71b7b5b3740177f0df6d3565dcc356ceda1acba'>services: mpd: add more configuration options</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/audio.scm (&lt;mpd-configuration&gt;): Add 'db-file', 'state-file'
  and 'sticker-file' fields.
* doc/guix.texi (Music Player Daemon): Document it.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>nixo</td></tr>
<tr><td><span title='2017-11-05 15:29:52 +0100'>2017-11-05</span></td><td><a href='/guix/commit/gnu/services/audio.scm?id=21b71b01e9c2264c31ef30451c152bb38cc9e635'>services: Add 'description' fields.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/admin.scm (rottlog-service-type)
(tailon-service-type): Add 'description' field.
* gnu/services/audio.scm (mpd-service-type): Likewise.
* gnu/services/avahi.scm (avahi-service-type): Likewise.
* gnu/services/ssh.scm (lsh-service-type)
(openssh-service-type, dropbear-service-type): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-08-31 14:43:26 +0200'>2017-08-31</span></td><td><a href='/guix/commit/gnu/services/audio.scm?id=b6dc69af1de806e8b3a70e9a1afe0e1590da5480'>services: mpd: Remove the mpd-file field.</a><span class='msg-avail'>...<span class='msg-tooltip'>Since MPD switches user, the pid-file must be in a writable dir.  This
is now always /var/run/mpd/(user)/pid.

* gnu/services/audio.scm (mpd-service-type): Add a activation-service
extension.
(&lt;mpd-configuration&gt;)[pid-file]: Remove.
(mpd-service): Rename to...
(mpd-shepherd-service): ... this.
(mpd-file-name, mpd-service-activation): New procedure.
* doc/guix.texi (Audio Services): Document the changes.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Peter Mikkelsen</td></tr>
<tr><td><span title='2017-08-13 07:36:32 +0100'>2017-08-13</span></td><td><a href='/guix/commit/gnu/services/audio.scm?id=06465d2ba4291eb2046c90c3977a295a9b7c434b'>gnu: Add mpd service.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi: Add documentation.
* gnu/services/audio.scm (&lt;mpd-configuration&gt;): New record type.
  (mpd-service-type): New service type.
* gnu/tests/audio.scm: New file.
* gnu/local.mk: Add new files.

Signed-off-by: Christopher Baines &lt;mail@cbaines.net&gt;
</span></span></td><td>Peter Mikkelsen</td></tr>