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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /sound/soc/intel/skylake/skl-i2s.h | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/intel/skylake/skl-i2s.h')
-rw-r--r-- | sound/soc/intel/skylake/skl-i2s.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-i2s.h b/sound/soc/intel/skylake/skl-i2s.h new file mode 100644 index 000000000..dfce91e11 --- /dev/null +++ b/sound/soc/intel/skylake/skl-i2s.h @@ -0,0 +1,87 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * skl-i2s.h - i2s blob mapping + * + * Copyright (C) 2017 Intel Corp + * Author: Subhransu S. Prusty < subhransu.s.prusty@intel.com> + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#ifndef __SOUND_SOC_SKL_I2S_H +#define __SOUND_SOC_SKL_I2S_H + +#define SKL_I2S_MAX_TIME_SLOTS 8 +#define SKL_MCLK_DIV_CLK_SRC_MASK GENMASK(17, 16) + +#define SKL_MNDSS_DIV_CLK_SRC_MASK GENMASK(21, 20) +#define SKL_SHIFT(x) (ffs(x) - 1) +#define SKL_MCLK_DIV_RATIO_MASK GENMASK(11, 0) + +#define is_legacy_blob(x) (x.signature != 0xEE) +#define ext_to_legacy_blob(i2s_config_blob_ext) \ + ((struct skl_i2s_config_blob_legacy *) i2s_config_blob_ext) + +#define get_clk_src(mclk, mask) \ + ((mclk.mdivctrl & mask) >> SKL_SHIFT(mask)) +struct skl_i2s_config { + u32 ssc0; + u32 ssc1; + u32 sscto; + u32 sspsp; + u32 sstsa; + u32 ssrsa; + u32 ssc2; + u32 sspsp2; + u32 ssc3; + u32 ssioc; +} __packed; + +struct skl_i2s_config_mclk { + u32 mdivctrl; + u32 mdivr; +}; + +struct skl_i2s_config_mclk_ext { + u32 mdivctrl; + u32 mdivr_count; + u32 mdivr[]; +} __packed; + +struct skl_i2s_config_blob_signature { + u32 minor_ver : 8; + u32 major_ver : 8; + u32 resvdz : 8; + u32 signature : 8; +} __packed; + +struct skl_i2s_config_blob_header { + struct skl_i2s_config_blob_signature sig; + u32 size; +}; + +/** + * struct skl_i2s_config_blob_legacy - Structure defines I2S Gateway + * configuration legacy blob + * + * @gtw_attr: Gateway attribute for the I2S Gateway + * @tdm_ts_group: TDM slot mapping against channels in the Gateway. + * @i2s_cfg: I2S HW registers + * @mclk: MCLK clock source and divider values + */ +struct skl_i2s_config_blob_legacy { + u32 gtw_attr; + u32 tdm_ts_group[SKL_I2S_MAX_TIME_SLOTS]; + struct skl_i2s_config i2s_cfg; + struct skl_i2s_config_mclk mclk; +}; + +struct skl_i2s_config_blob_ext { + u32 gtw_attr; + struct skl_i2s_config_blob_header hdr; + u32 tdm_ts_group[SKL_I2S_MAX_TIME_SLOTS]; + struct skl_i2s_config i2s_cfg; + struct skl_i2s_config_mclk_ext mclk; +} __packed; +#endif /* __SOUND_SOC_SKL_I2S_H */ |