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authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>2023-04-04 13:41:11 +0300
committerMark Brown <broonie@kernel.org>2023-04-06 16:45:34 +0100
commit34e582b559c78746c544442b3925554e0665351b (patch)
treeb7f687019f809eb1b294ea58e4b510d11da928fb /include
parentc7a92574ec03692a057db541db12e41744a862fa (diff)
ALSA: hda: add HDaudio Extended link definitions
Add new definitions for the HDaudio Extended link support, specifically new registers for SoundWire, Intel DMIC and INTEL SSP interfaces. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20230404104127.5629-3-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/sound/hda_register.h40
1 files changed, 38 insertions, 2 deletions
diff --git a/include/sound/hda_register.h b/include/sound/hda_register.h
index d37cf43546eb..9c7872c0ca79 100644
--- a/include/sound/hda_register.h
+++ b/include/sound/hda_register.h
@@ -258,14 +258,27 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
#define AZX_ML_BASE 0x40
#define AZX_ML_INTERVAL 0x40
+/* HDaudio registers valid for HDaudio and HDaudio extended links */
#define AZX_REG_ML_LCAP 0x00
-#define AZX_REG_ML_LCTL 0x04
+#define AZX_ML_HDA_LCAP_ALT BIT(28)
+#define AZX_ML_HDA_LCAP_ALT_HDA 0x0
+#define AZX_ML_HDA_LCAP_ALT_HDA_EXT 0x1
+
+#define AZX_ML_HDA_LCAP_INTC BIT(27) /* only used if ALT == 1 */
+#define AZX_ML_HDA_LCAP_OFLS BIT(26) /* only used if ALT == 1 */
+#define AZX_ML_HDA_LCAP_LSS BIT(23) /* only used if ALT == 1 */
+#define AZX_ML_HDA_LCAP_SLCOUNT GENMASK(22, 20) /* only used if ALT == 1 */
+
+#define AZX_REG_ML_LCTL 0x04
+#define AZX_ML_LCTL_INTSTS BIT(31) /* only used if ALT == 1 */
#define AZX_ML_LCTL_CPA BIT(23)
#define AZX_ML_LCTL_CPA_SHIFT 23
#define AZX_ML_LCTL_SPA BIT(16)
#define AZX_ML_LCTL_SPA_SHIFT 16
-#define AZX_ML_LCTL_SCF GENMASK(3, 0)
+#define AZX_ML_LCTL_INTEN BIT(5) /* only used if ALT == 1 */
+#define AZX_ML_LCTL_OFLEN BIT(4) /* only used if ALT == 1 */
+#define AZX_ML_LCTL_SCF GENMASK(3, 0) /* only used if ALT == 0 */
#define AZX_REG_ML_LOSIDV 0x08
@@ -273,12 +286,35 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
#define AZX_ML_LOSIDV_STREAM_MASK 0xFFFE
#define AZX_REG_ML_LSDIID 0x0C
+#define AZX_REG_ML_LSDIID_OFFSET(x) (0x0C + (x) * 0x02) /* only used if ALT == 1 */
+
+/* HDaudio registers only valid if LCAP.ALT == 0 */
#define AZX_REG_ML_LPSOO 0x10
#define AZX_REG_ML_LPSIO 0x12
#define AZX_REG_ML_LWALFC 0x18
#define AZX_REG_ML_LOUTPAY 0x20
#define AZX_REG_ML_LINPAY 0x30
+/* HDaudio Extended link registers only valid if LCAP.ALT == 1 */
+#define AZX_REG_ML_LSYNC 0x1C
+
+#define AZX_REG_ML_LSYNC_CMDSYNC BIT(24)
+#define AZX_REG_ML_LSYNC_CMDSYNC_SHIFT 24
+#define AZX_REG_ML_LSYNC_SYNCGO BIT(23)
+#define AZX_REG_ML_LSYNC_SYNCPU BIT(20)
+#define AZX_REG_ML_LSYNC_SYNCPRD GENMASK(19, 0)
+
+#define AZX_REG_ML_LEPTR 0x20
+
+#define AZX_REG_ML_LEPTR_ID GENMASK(31, 24)
+#define AZX_REG_ML_LEPTR_ID_SHIFT 24
+#define AZX_REG_ML_LEPTR_ID_SDW 0x00
+#define AZX_REG_ML_LEPTR_ID_INTEL_SSP 0xC0
+#define AZX_REG_ML_LEPTR_ID_INTEL_DMIC 0xC1
+#define AZX_REG_ML_LEPTR_ID_INTEL_UAOL 0xC2
+#define AZX_REG_ML_LEPTR_VER GENMASK(23, 20)
+#define AZX_REG_ML_LEPTR_PTR GENMASK(19, 0)
+
/* registers for DMA Resume Capability Structure */
#define AZX_DRSM_CAP_ID 0x5
#define AZX_REG_DRSM_CTL 0x4