diff options
| author | Sriram Periyasamy <sriramx.periyasamy@intel.com> | 2018-01-04 16:55:15 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-01-26 12:51:22 +0000 |
| commit | 9afbc5ec76526d412de1c5c368524aae36eb608d (patch) | |
| tree | c0bc9d49cf8e17df3f81017e9a545792df3ffaa2 /sound/soc/intel/skylake/skl-nhlt.c | |
| parent | 01f50d69bebe1bb0b30bba1eba3cdaf1f02dd7c4 (diff) | |
ASoC: Intel: Skylake: Add extended I2S config blob support in Clock driver
Extended I2S config blob supports multiple mclk dividers in NHLT blob.
This patch detects whether the I2S blob is legacy or extended based on the
signature value and chooses the mclk source and divider accordingly.
Signed-off-by: Sriram Periyasamy <sriramx.periyasamy@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/skylake/skl-nhlt.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-nhlt.c | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/sound/soc/intel/skylake/skl-nhlt.c b/sound/soc/intel/skylake/skl-nhlt.c index 3b1d2b828c1b..b9b140275be0 100644 --- a/sound/soc/intel/skylake/skl-nhlt.c +++ b/sound/soc/intel/skylake/skl-nhlt.c @@ -28,6 +28,7 @@ static guid_t osc_guid = GUID_INIT(0xA69F886E, 0x6CEB, 0x4594, 0xA4, 0x1F, 0x7B, 0x5D, 0xCE, 0x24, 0xC5, 0x53); + struct nhlt_acpi_table *skl_nhlt_init(struct device *dev) { acpi_handle handle; @@ -287,6 +288,7 @@ void skl_nhlt_remove_sysfs(struct skl *skl) static void skl_get_ssp_clks(struct skl *skl, struct skl_ssp_clk *ssp_clks, struct nhlt_fmt *fmt, u8 id) { + struct skl_i2s_config_blob_ext *i2s_config_ext; struct skl_i2s_config_blob_legacy *i2s_config; struct skl_clk_parent_src *parent; struct skl_ssp_clk *sclk, *sclkfs; @@ -347,12 +349,18 @@ static void skl_get_ssp_clks(struct skl *skl, struct skl_ssp_clk *ssp_clks, /* Fill rate and parent for sclk/sclkfs */ if (!present) { - /* MCLK Divider Source Select */ - i2s_config = (struct skl_i2s_config_blob_legacy *) + i2s_config_ext = (struct skl_i2s_config_blob_ext *) fmt->fmt_config[0].config.caps; - clk_src = ((i2s_config->mclk.mdivctrl) - & SKL_MNDSS_DIV_CLK_SRC_MASK) >> - SKL_SHIFT(SKL_MNDSS_DIV_CLK_SRC_MASK); + + /* MCLK Divider Source Select */ + if (is_legacy_blob(i2s_config_ext->hdr.sig)) { + i2s_config = ext_to_legacy_blob(i2s_config_ext); + clk_src = get_clk_src(i2s_config->mclk, + SKL_MNDSS_DIV_CLK_SRC_MASK); + } else { + clk_src = get_clk_src(i2s_config_ext->mclk, + SKL_MNDSS_DIV_CLK_SRC_MASK); + } parent = skl_get_parent_clk(clk_src); @@ -378,6 +386,7 @@ static void skl_get_ssp_clks(struct skl *skl, struct skl_ssp_clk *ssp_clks, static void skl_get_mclk(struct skl *skl, struct skl_ssp_clk *mclk, struct nhlt_fmt *fmt, u8 id) { + struct skl_i2s_config_blob_ext *i2s_config_ext; struct skl_i2s_config_blob_legacy *i2s_config; struct nhlt_specific_cfg *fmt_cfg; struct skl_clk_parent_src *parent; @@ -385,13 +394,21 @@ static void skl_get_mclk(struct skl *skl, struct skl_ssp_clk *mclk, u8 clk_src; fmt_cfg = &fmt->fmt_config[0].config; - i2s_config = (struct skl_i2s_config_blob_legacy *)fmt_cfg->caps; - - /* MCLK Divider Source Select */ - clk_src = ((i2s_config->mclk.mdivctrl) & SKL_MCLK_DIV_CLK_SRC_MASK) >> - SKL_SHIFT(SKL_MCLK_DIV_CLK_SRC_MASK); - - clkdiv = i2s_config->mclk.mdivr & SKL_MCLK_DIV_RATIO_MASK; + i2s_config_ext = (struct skl_i2s_config_blob_ext *)fmt_cfg->caps; + + /* MCLK Divider Source Select and divider */ + if (is_legacy_blob(i2s_config_ext->hdr.sig)) { + i2s_config = ext_to_legacy_blob(i2s_config_ext); + clk_src = get_clk_src(i2s_config->mclk, + SKL_MCLK_DIV_CLK_SRC_MASK); + clkdiv = i2s_config->mclk.mdivr & + SKL_MCLK_DIV_RATIO_MASK; + } else { + clk_src = get_clk_src(i2s_config_ext->mclk, + SKL_MCLK_DIV_CLK_SRC_MASK); + clkdiv = i2s_config_ext->mclk.mdivr[0] & + SKL_MCLK_DIV_RATIO_MASK; + } /* bypass divider */ div_ratio = 1; |