Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 146 insertions, 0 deletions

diff --git a/sound/x86/intel_hdmi_audio.h b/sound/x86/intel_hdmi_audio.h
new file mode 100644
index 000000000..0d91bb5db
--- /dev/null
+++ b/sound/x86/intel_hdmi_audio.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2016 Intel Corporation
+ *  Authors:	Sailaja Bandarupalli <sailaja.bandarupalli@intel.com>
+ *		Ramesh Babu K V	<ramesh.babu@intel.com>
+ *		Vaibhav Agarwal <vaibhav.agarwal@intel.com>
+ *		Jerome Anand <jerome.anand@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _INTEL_HDMI_AUDIO_H_
+#define _INTEL_HDMI_AUDIO_H_
+
+#include "intel_hdmi_lpe_audio.h"
+
+#define MAX_PB_STREAMS		1
+#define MAX_CAP_STREAMS		0
+#define BYTES_PER_WORD		0x4
+#define INTEL_HAD		"HdmiLpeAudio"
+
+/*
+ *	CEA speaker placement:
+ *
+ *	FL  FLC   FC   FRC   FR
+ *
+ *						LFE
+ *
+ *	RL  RLC   RC   RRC   RR
+ *
+ *	The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M
+ *	corresponds to CEA RL/RR; The SMPTE channel _assignment_ C/LFE is
+ *	swapped to CEA LFE/FC.
+ */
+enum cea_speaker_placement {
+	FL  = (1 <<  0),        /* Front Left           */
+	FC  = (1 <<  1),        /* Front Center         */
+	FR  = (1 <<  2),        /* Front Right          */
+	FLC = (1 <<  3),        /* Front Left Center    */
+	FRC = (1 <<  4),        /* Front Right Center   */
+	RL  = (1 <<  5),        /* Rear Left            */
+	RC  = (1 <<  6),        /* Rear Center          */
+	RR  = (1 <<  7),        /* Rear Right           */
+	RLC = (1 <<  8),        /* Rear Left Center     */
+	RRC = (1 <<  9),        /* Rear Right Center    */
+	LFE = (1 << 10),        /* Low Frequency Effect */
+};
+
+struct cea_channel_speaker_allocation {
+	int ca_index;
+	int speakers[8];
+
+	/* derived values, just for convenience */
+	int channels;
+	int spk_mask;
+};
+
+struct channel_map_table {
+	unsigned char map;              /* ALSA API channel map position */
+	unsigned char cea_slot;         /* CEA slot value */
+	int spk_mask;                   /* speaker position bit mask */
+};
+
+struct pcm_stream_info {
+	struct snd_pcm_substream *substream;
+	int substream_refcount;
+};
+
+/*
+ * struct snd_intelhad - intelhad driver structure
+ *
+ * @card: ptr to hold card details
+ * @connected: the monitor connection status
+ * @stream_info: stream information
+ * @eld: holds ELD info
+ * @curr_buf: pointer to hold current active ring buf
+ * @valid_buf_cnt: ring buffer count for stream
+ * @had_spinlock: driver lock
+ * @aes_bits: IEC958 status bits
+ * @buff_done: id of current buffer done intr
+ * @dev: platoform device handle
+ * @chmap: holds channel map info
+ */
+struct snd_intelhad {
+	struct snd_intelhad_card *card_ctx;
+	bool		connected;
+	struct		pcm_stream_info stream_info;
+	unsigned char	eld[HDMI_MAX_ELD_BYTES];
+	bool dp_output;
+	unsigned int	aes_bits;
+	spinlock_t had_spinlock;
+	struct device *dev;
+	struct snd_pcm_chmap *chmap;
+	int tmds_clock_speed;
+	int link_rate;
+	int port; /* fixed */
+	int pipe; /* can change dynamically */
+
+	/* ring buffer (BD) position index */
+	unsigned int bd_head;
+	/* PCM buffer position indices */
+	unsigned int pcmbuf_head;	/* being processed */
+	unsigned int pcmbuf_filled;	/* to be filled */
+
+	unsigned int num_bds;		/* number of BDs */
+	unsigned int period_bytes;	/* PCM period size in bytes */
+
+	/* internal stuff */
+	union aud_cfg aud_config;	/* AUD_CONFIG reg value cache */
+	struct work_struct hdmi_audio_wq;
+	struct mutex mutex; /* for protecting chmap and eld */
+	bool need_reset;
+	struct snd_jack *jack;
+};
+
+struct snd_intelhad_card {
+	struct snd_card	*card;
+	struct device *dev;
+
+	/* internal stuff */
+	int irq;
+	void __iomem *mmio_start;
+	int num_pipes;
+	int num_ports;
+	struct snd_intelhad pcm_ctx[3]; /* one for each port */
+};
+
+#endif /* _INTEL_HDMI_AUDIO_ */