107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
/*
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* Copyright (C) 2011-2014 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __IMX_HDMI_H
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#define __IMX_HDMI_H
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struct imx_hdmi_sdma_params {
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dma_addr_t phyaddr;
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u32 buffer_num;
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int dma;
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};
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struct imx_hdmi {
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struct snd_soc_dai_driver cpu_dai_drv;
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struct platform_device *codec_dev;
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struct platform_device *dma_dev;
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struct platform_device *pdev;
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struct clk *isfr_clk;
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struct clk *iahb_clk;
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struct clk *mipi_core_clk;
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};
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#define HDMI_MAX_RATES 7
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#define HDMI_MAX_SAMPLE_SIZE 3
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#define HDMI_MAX_CHANNEL_CONSTRAINTS 4
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#define MXC_HDMI_RATES_PLAYBACK \
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(SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
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SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \
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SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000)
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#define MXC_HDMI_FORMATS_PLAYBACK \
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(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
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union hdmi_audio_header_t {
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uint64_t U;
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struct {
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unsigned consumer:1;
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unsigned linear_pcm:1;
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unsigned copyright:1;
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unsigned pre_emphasis:3;
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unsigned mode:2;
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unsigned category_code:8;
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unsigned source:4;
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unsigned channel:4;
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unsigned sample_freq:4;
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unsigned clock_acc:2;
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unsigned reserved0:2;
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unsigned word_length:4;
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unsigned org_sample_freq:4;
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unsigned cgms_a:2;
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unsigned reserved1:6;
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unsigned reserved2:8;
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unsigned reserved3:8;
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} B;
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unsigned char status[8];
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};
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union hdmi_audio_dma_data_t {
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uint32_t U;
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struct {
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unsigned data:24;
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unsigned v:1;
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unsigned u:1;
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unsigned c:1;
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unsigned p:1;
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unsigned b:1;
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unsigned reserved:3;
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} B;
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};
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extern union hdmi_audio_header_t iec_header;
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#define hdmi_audio_writeb(reg, bit, val) \
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do { \
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hdmi_mask_writeb(val, HDMI_ ## reg, \
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HDMI_ ## reg ## _ ## bit ## _OFFSET, \
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HDMI_ ## reg ## _ ## bit ## _MASK); \
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pr_debug("Set reg: HDMI_" #reg " (0x%x) "\
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"bit: HDMI_" #reg "_" #bit " (%d) to val: %x\n", \
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HDMI_ ## reg, HDMI_ ## reg ## _ ## bit ## _OFFSET, val); \
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} while (0)
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#endif /* __IMX_HDMI_H */
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