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/*
* MXC HDMI ALSA Soc Codec Driver
*
* Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
*/
/*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __IMX_HDMI_H
#define __IMX_HDMI_H
#define DRV_NAME "imx-hdmi"
struct imx_hdmi {
int irq;
struct platform_device *pdev;
struct platform_device *soc_platform_pdev;
};
#define HDMI_MAX_RATES 7
#define HDMI_MAX_SAMPLE_SIZE 3
#define HDMI_MAX_CHANNEL_CONSTRAINTS 4
#define MXC_HDMI_RATES_PLAYBACK (SNDRV_PCM_RATE_32000 | \
SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000 | \
SNDRV_PCM_RATE_88200 | \
SNDRV_PCM_RATE_96000 | \
SNDRV_PCM_RATE_176400 | \
SNDRV_PCM_RATE_192000)
#define MXC_HDMI_FORMATS_PLAYBACK (SNDRV_PCM_FMTBIT_S16_LE | \
SNDRV_PCM_FMTBIT_S24_LE)
typedef union {
uint64_t U;
struct {
unsigned consumer:1;
unsigned linear_pcm:1;
unsigned copyright:1;
unsigned pre_emphasis:3;
unsigned mode:2;
unsigned category_code:8;
unsigned source:4;
unsigned channel:4;
unsigned sample_freq:4;
unsigned clock_acc:2;
unsigned reserved0:2;
unsigned word_length:4;
unsigned org_sample_freq:4;
unsigned cgms_a:2;
unsigned reserved1:6;
unsigned reserved2:8;
unsigned reserved3:8;
} B;
unsigned char status[8];
} hdmi_audio_header_t;
typedef union {
uint32_t U;
struct {
unsigned data:24;
unsigned v:1;
unsigned u:1;
unsigned c:1;
unsigned p:1;
unsigned b:1;
unsigned reserved:3;
} B;
} hdmi_audio_dma_data_t;
extern hdmi_audio_header_t iec_header;
#endif /* __IMX_HDMI_H */
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