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-rw-r--r--sound/pci/mixart/mixart.h207
1 files changed, 207 insertions, 0 deletions
diff --git a/sound/pci/mixart/mixart.h b/sound/pci/mixart/mixart.h
new file mode 100644
index 000000000..cbed6d9a9
--- /dev/null
+++ b/sound/pci/mixart/mixart.h
@@ -0,0 +1,207 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Driver for Digigram miXart soundcards
+ *
+ * main header file
+ *
+ * Copyright (c) 2003 by Digigram <alsa@digigram.com>
+ */
+
+#ifndef __SOUND_MIXART_H
+#define __SOUND_MIXART_H
+
+#include <linux/interrupt.h>
+#include <linux/mutex.h>
+#include <sound/pcm.h>
+
+#define MIXART_DRIVER_VERSION 0x000100 /* 0.1.0 */
+
+
+/*
+ */
+
+struct mixart_uid {
+ u32 object_id;
+ u32 desc;
+};
+
+struct mem_area {
+ unsigned long phys;
+ void __iomem *virt;
+ struct resource *res;
+};
+
+
+struct mixart_route {
+ unsigned char connected;
+ unsigned char phase_inv;
+ int volume;
+};
+
+
+/* firmware status codes */
+#define MIXART_MOTHERBOARD_XLX_INDEX 0
+#define MIXART_MOTHERBOARD_ELF_INDEX 1
+#define MIXART_AESEBUBOARD_XLX_INDEX 2
+#define MIXART_HARDW_FILES_MAX_INDEX 3 /* xilinx, elf, AESEBU xilinx */
+
+#define MIXART_MAX_CARDS 4
+#define MSG_FIFO_SIZE 16
+
+#define MIXART_MAX_PHYS_CONNECTORS (MIXART_MAX_CARDS * 2 * 2) /* 4 * stereo * (analog+digital) */
+
+struct mixart_mgr {
+ unsigned int num_cards;
+ struct snd_mixart *chip[MIXART_MAX_CARDS];
+
+ struct pci_dev *pci;
+
+ int irq;
+
+ /* memory-maps */
+ struct mem_area mem[2];
+
+ /* one and only blocking message or notification may be pending */
+ u32 pending_event;
+ wait_queue_head_t msg_sleep;
+
+ /* messages fifo */
+ u32 msg_fifo[MSG_FIFO_SIZE];
+ int msg_fifo_readptr;
+ int msg_fifo_writeptr;
+ atomic_t msg_processed; /* number of messages to be processed in irq thread */
+
+ struct mutex lock; /* interrupt lock */
+ struct mutex msg_lock; /* mailbox lock */
+
+ struct mutex setup_mutex; /* mutex used in hw_params, open and close */
+
+ /* hardware interface */
+ unsigned int dsp_loaded; /* bit flags of loaded dsp indices */
+ unsigned int board_type; /* read from embedded once elf file is loaded, 250 = miXart8, 251 = with AES, 252 = with Cobranet */
+
+ struct snd_dma_buffer flowinfo;
+ struct snd_dma_buffer bufferinfo;
+
+ struct mixart_uid uid_console_manager;
+ int sample_rate;
+ int ref_count_rate;
+
+ struct mutex mixer_mutex; /* mutex for mixer */
+
+};
+
+
+#define MIXART_STREAM_STATUS_FREE 0
+#define MIXART_STREAM_STATUS_OPEN 1
+#define MIXART_STREAM_STATUS_RUNNING 2
+#define MIXART_STREAM_STATUS_DRAINING 3
+#define MIXART_STREAM_STATUS_PAUSE 4
+
+#define MIXART_PLAYBACK_STREAMS 4
+#define MIXART_CAPTURE_STREAMS 1
+
+#define MIXART_PCM_ANALOG 0
+#define MIXART_PCM_DIGITAL 1
+#define MIXART_PCM_TOTAL 2
+
+#define MIXART_MAX_STREAM_PER_CARD (MIXART_PCM_TOTAL * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS) )
+
+
+#define MIXART_NOTIFY_CARD_MASK 0xF000
+#define MIXART_NOTIFY_CARD_OFFSET 12
+#define MIXART_NOTIFY_PCM_MASK 0x0F00
+#define MIXART_NOTIFY_PCM_OFFSET 8
+#define MIXART_NOTIFY_CAPT_MASK 0x0080
+#define MIXART_NOTIFY_SUBS_MASK 0x007F
+
+
+struct mixart_stream {
+ struct snd_pcm_substream *substream;
+ struct mixart_pipe *pipe;
+ int pcm_number;
+
+ int status; /* nothing, running, draining */
+
+ u64 abs_period_elapsed; /* last absolute stream position where period_elapsed was called (multiple of runtime->period_size) */
+ u32 buf_periods; /* periods counter in the buffer (< runtime->periods) */
+ u32 buf_period_frag; /* defines with buf_period_pos the exact position in the buffer (< runtime->period_size) */
+
+ int channels;
+};
+
+
+enum mixart_pipe_status {
+ PIPE_UNDEFINED,
+ PIPE_STOPPED,
+ PIPE_RUNNING,
+ PIPE_CLOCK_SET
+};
+
+struct mixart_pipe {
+ struct mixart_uid group_uid; /* id of the pipe, as returned by embedded */
+ int stream_count;
+ struct mixart_uid uid_left_connector; /* UID's for the audio connectors */
+ struct mixart_uid uid_right_connector;
+ enum mixart_pipe_status status;
+ int references; /* number of subs openned */
+ int monitoring; /* pipe used for monitoring issue */
+};
+
+
+struct snd_mixart {
+ struct snd_card *card;
+ struct mixart_mgr *mgr;
+ int chip_idx; /* zero based */
+ struct snd_hwdep *hwdep; /* DSP loader, only for the first card */
+
+ struct snd_pcm *pcm; /* PCM analog i/o */
+ struct snd_pcm *pcm_dig; /* PCM digital i/o */
+
+ /* allocate stereo pipe for instance */
+ struct mixart_pipe pipe_in_ana;
+ struct mixart_pipe pipe_out_ana;
+
+ /* if AES/EBU daughter board is available, additional pipes possible on pcm_dig */
+ struct mixart_pipe pipe_in_dig;
+ struct mixart_pipe pipe_out_dig;
+
+ struct mixart_stream playback_stream[MIXART_PCM_TOTAL][MIXART_PLAYBACK_STREAMS]; /* 0 = pcm, 1 = pcm_dig */
+ struct mixart_stream capture_stream[MIXART_PCM_TOTAL]; /* 0 = pcm, 1 = pcm_dig */
+
+ /* UID's for the physical io's */
+ struct mixart_uid uid_out_analog_physio;
+ struct mixart_uid uid_in_analog_physio;
+
+ int analog_playback_active[2]; /* Mixer : Master Playback active (!mute) */
+ int analog_playback_volume[2]; /* Mixer : Master Playback Volume */
+ int analog_capture_volume[2]; /* Mixer : Master Capture Volume */
+ int digital_playback_active[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Active [(analog+AES output)*streams][stereo]*/
+ int digital_playback_volume[2*MIXART_PLAYBACK_STREAMS][2]; /* Mixer : Digital Playback Volume [(analog+AES output)*streams][stereo]*/
+ int digital_capture_volume[2][2]; /* Mixer : Digital Capture Volume [analog+AES output][stereo] */
+ int monitoring_active[2]; /* Mixer : Monitoring Active */
+ int monitoring_volume[2]; /* Mixer : Monitoring Volume */
+};
+
+struct mixart_bufferinfo
+{
+ u32 buffer_address;
+ u32 reserved[5];
+ u32 available_length;
+ u32 buffer_id;
+};
+
+struct mixart_flowinfo
+{
+ u32 bufferinfo_array_phy_address;
+ u32 reserved[11];
+ u32 bufferinfo_count;
+ u32 capture;
+};
+
+/* exported */
+int snd_mixart_create_pcm(struct snd_mixart * chip);
+struct mixart_pipe *snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, int monitoring);
+int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, struct mixart_pipe *pipe, int monitoring);
+
+#endif /* __SOUND_MIXART_H */