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Thu, 29 Apr 2021 05:05:34 -0700 (PDT) Received: from localhost.localdomain ([2405:201:6008:61b4:c0b1:be0f:608e:9a45]) by smtp.gmail.com with ESMTPSA id p6sm713643pjg.35.2021.04.29.05.05.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Apr 2021 05:05:33 -0700 (PDT) From: Shreyansh Chouhan To: kraxel@redhat.com, mst@redhat.com Subject: [RFC PATCH 01/27] virtio-snd: Add virtio sound header file Date: Thu, 29 Apr 2021 17:34:19 +0530 Message-Id: <20210429120445.694420-2-chouhan.shreyansh2702@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210429120445.694420-1-chouhan.shreyansh2702@gmail.com> References: <20210429120445.694420-1-chouhan.shreyansh2702@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::432; envelope-from=chouhan.shreyansh2702@gmail.com; helo=mail-pf1-x432.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shreyansh Chouhan , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Added device configuration and common definitions to the header file. Signed-off-by: Shreyansh Chouhan --- include/hw/virtio/virtio-snd.h | 97 ++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 include/hw/virtio/virtio-snd.h diff --git a/include/hw/virtio/virtio-snd.h b/include/hw/virtio/virtio-snd.h new file mode 100644 index 0000000000..bbbf174c51 --- /dev/null +++ b/include/hw/virtio/virtio-snd.h @@ -0,0 +1,97 @@ +/* + * Virtio Sound Device + */ + +#ifndef QEMU_VIRTIO_SOUND_H +#define QEMU_VIRTIO_SOUND_H + +#include "qemu/units.h" +#include "hw/virtio/virtio.h" +#include "qemu/queue.h" +#include "audio/audio.h" +#include "audio/audio_int.h" + +#define VIRTIO_ID_SOUND 25 + +/* CONFIGURATION SPACE */ + +typedef struct virtio_snd_config { + /* # of jacks available */ + uint32_t jacks; + /* # of streams avalable */ + uint32_t streams; + /* # chmaps available */ + uint32_t chmaps; +} virtio_snd_config; + +/* COMMON DEFINITIONS */ + +/* supported sample data directions. */ +enum { + VIRTIO_SND_D_OUTPUT = 0, + VIRTIO_SND_D_INPUT +}; + +enum { + /* jack control request types */ + VIRTIO_SND_R_JACK_INFO = 1, + VIRTIO_SND_R_JACK_REMAP, + + /* PCM control request types */ + VIRTIO_SND_R_PCM_INFO = 0x0100, + VIRTIO_SND_R_PCM_SET_PARAMS, + VIRTIO_SND_R_PCM_PREPARE, + VIRTIO_SND_R_PCM_RELEASE, + VIRTIO_SND_R_PCM_START, + VIRTIO_SND_R_PCM_STOP, + + /* channel map control request type */ + VIRTIO_SND_R_CHMAP_INFO = 0x200, + + /* jack event types */ + VIRTIO_SND_EVT_JACK_CONNECTED = 0x1000, + VIRTIO_SND_EVT_JACK_DISCONNECTED, + + /* PCM event types */ + VIRTIO_SND_EVT_PCM_PERIOD_ELAPSED = 0x1100, + VIRTIO_SND_EVT_PCM_XRUN, + + /* common status codes */ + VIRTIO_SND_S_OK = 0x8000, + VIRTIO_SND_S_BAD_MSG, + VIRTIO_SND_S_NOT_SUPP, + VIRTIO_SND_S_IO_ERR +}; + +/* common header for request/response*/ +typedef struct virtio_snd_hdr { + uint32_t code; +} virtio_snd_hdr; + +/* event notification */ +typedef struct virtio_snd_event { + /* VIRTIO_SND_EVT_* */ + virtio_snd_hdr hdr; + /* Optional event data */ + uint32_t data; +} virtio_snd_event; + +/* common control request to query an item information */ +typedef struct virtio_snd_query_info { + /* VIRTIO_SND_R_*_INFO */ + struct virtio_snd_hdr hdr; + /* item start identifier */ + uint32_t start_id; + /* # of items to query */ + uint32_t count; + /* size of a single item information in bytes */ + uint32_t size; +} virtio_snd_query_info; + +/* common item information header */ +typedef struct virtio_snd_info { + /* functional group node id (HDA Spec 7.1.2) */ + uint32_t hda_fn_nid; +} virtio_snd_info; + +#endif -- 2.25.1