forked from luck/tmp_suning_uos_patched
6f9ecc76f4
Yet another indirection is killed: at this time, it's snd_intel_had_interface. It contains also the name string, but it's nowhere used, thus we can kill it, too. Signed-off-by: Takashi Iwai <tiwai@suse.de>
181 lines
5.6 KiB
C
181 lines
5.6 KiB
C
/*
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* Copyright (C) 2016 Intel Corporation
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* Authors: Sailaja Bandarupalli <sailaja.bandarupalli@intel.com>
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* Ramesh Babu K V <ramesh.babu@intel.com>
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* Vaibhav Agarwal <vaibhav.agarwal@intel.com>
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* Jerome Anand <jerome.anand@intel.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _INTEL_HDMI_AUDIO_H_
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#define _INTEL_HDMI_AUDIO_H_
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#include <linux/types.h>
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#include <sound/initval.h>
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#include <linux/version.h>
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#include <linux/pm_runtime.h>
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#include <sound/asoundef.h>
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#include <sound/control.h>
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#include <sound/pcm.h>
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#include "intel_hdmi_lpe_audio.h"
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#define PCM_INDEX 0
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#define MAX_PB_STREAMS 1
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#define MAX_CAP_STREAMS 0
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#define HDMI_AUDIO_DRIVER "hdmi-audio"
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#define HDMI_INFO_FRAME_WORD1 0x000a0184
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#define DP_INFO_FRAME_WORD1 0x00441b84
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#define FIFO_THRESHOLD 0xFE
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#define DMA_FIFO_THRESHOLD 0x7
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#define BYTES_PER_WORD 0x4
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/* Sampling rate as per IEC60958 Ver 3 */
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#define CH_STATUS_MAP_32KHZ 0x3
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#define CH_STATUS_MAP_44KHZ 0x0
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#define CH_STATUS_MAP_48KHZ 0x2
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#define CH_STATUS_MAP_88KHZ 0x8
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#define CH_STATUS_MAP_96KHZ 0xA
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#define CH_STATUS_MAP_176KHZ 0xC
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#define CH_STATUS_MAP_192KHZ 0xE
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#define MAX_SMPL_WIDTH_20 0x0
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#define MAX_SMPL_WIDTH_24 0x1
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#define SMPL_WIDTH_16BITS 0x1
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#define SMPL_WIDTH_24BITS 0x5
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#define CHANNEL_ALLOCATION 0x1F
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#define MASK_BYTE0 0x000000FF
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#define VALID_DIP_WORDS 3
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#define LAYOUT0 0
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#define LAYOUT1 1
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#define SWAP_LFE_CENTER 0x00fac4c8
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#define AUD_CONFIG_CH_MASK_V2 0x70
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struct pcm_stream_info {
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int str_id;
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void *had_substream;
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void (*period_elapsed)(void *had_substream);
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u32 buffer_ptr;
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u64 buffer_rendered;
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u32 ring_buf_size;
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int sfreq;
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};
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struct ring_buf_info {
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u32 buf_addr;
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u32 buf_size;
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u8 is_valid;
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};
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struct had_stream_pvt {
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enum had_stream_status stream_status;
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int stream_ops;
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ssize_t dbg_cum_bytes;
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};
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struct had_pvt_data {
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enum had_status_stream stream_type;
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};
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struct had_callback_ops {
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had_event_call_back intel_had_event_call_back;
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};
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/**
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* struct snd_intelhad - intelhad driver structure
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*
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* @card: ptr to hold card details
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* @card_index: sound card index
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* @card_id: detected sound card id
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* @drv_status: driver status
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* @buf_info: ring buffer info
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* @stream_info: stream information
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* @eeld: holds EELD info
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* @curr_buf: pointer to hold current active ring buf
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* @valid_buf_cnt: ring buffer count for stream
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* @had_spinlock: driver lock
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* @aes_bits: IEC958 status bits
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* @buff_done: id of current buffer done intr
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* @dev: platoform device handle
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* @kctl: holds kctl ptrs used for channel map
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* @chmap: holds channel map info
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* @audio_reg_base: hdmi audio register base offset
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* @hw_silence: flag indicates SoC support for HW silence/Keep alive
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*/
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struct snd_intelhad {
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struct snd_card *card;
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int card_index;
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char *card_id;
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enum had_drv_status drv_status;
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struct ring_buf_info buf_info[HAD_NUM_OF_RING_BUFS];
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struct pcm_stream_info stream_info;
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union otm_hdmi_eld_t eeld;
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bool dp_output;
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enum intel_had_aud_buf_type curr_buf;
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int valid_buf_cnt;
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unsigned int aes_bits;
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int flag_underrun;
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struct had_pvt_data *private_data;
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spinlock_t had_spinlock;
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enum intel_had_aud_buf_type buff_done;
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struct device *dev;
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struct snd_kcontrol *kctl;
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struct snd_pcm_chmap *chmap;
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unsigned int *audio_reg_base;
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unsigned int audio_cfg_offset;
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bool hw_silence;
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};
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int had_event_handler(enum had_event_type event_type, void *data);
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int hdmi_audio_query(void *drv_data, struct hdmi_audio_event event);
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int hdmi_audio_suspend(void *drv_data);
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int hdmi_audio_resume(void *drv_data);
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int hdmi_audio_mode_change(struct snd_pcm_substream *substream);
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extern struct snd_pcm_ops snd_intelhad_playback_ops;
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int snd_intelhad_init_audio_ctrl(struct snd_pcm_substream *substream,
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struct snd_intelhad *intelhaddata,
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int flag_silence);
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int snd_intelhad_prog_buffer(struct snd_intelhad *intelhaddata,
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int start, int end);
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int snd_intelhad_invd_buffer(int start, int end);
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int snd_intelhad_read_len(struct snd_intelhad *intelhaddata);
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void had_build_channel_allocation_map(struct snd_intelhad *intelhaddata);
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void snd_intelhad_enable_audio(struct snd_pcm_substream *substream, u8 enable);
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void snd_intelhad_handle_underrun(struct snd_intelhad *intelhaddata);
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/* Register access functions */
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int had_get_hwstate(struct snd_intelhad *intelhaddata);
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int had_get_caps(enum had_caps_list query_element, void *capabilties);
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int had_set_caps(enum had_caps_list set_element, void *capabilties);
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int had_read_register(u32 reg_addr, u32 *data);
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int had_write_register(u32 reg_addr, u32 data);
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int had_read_modify(u32 reg_addr, u32 data, u32 mask);
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int hdmi_audio_probe(void *devptr);
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int hdmi_audio_remove(void *pdev);
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#endif /* _INTEL_HDMI_AUDIO_ */
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