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Diffstat (limited to 'sound/soc/fsl/fsl_ssi.h')
-rw-r--r--sound/soc/fsl/fsl_ssi.h112
1 files changed, 85 insertions, 27 deletions
diff --git a/sound/soc/fsl/fsl_ssi.h b/sound/soc/fsl/fsl_ssi.h
index e6b63240a3d7..506510540d0a 100644
--- a/sound/soc/fsl/fsl_ssi.h
+++ b/sound/soc/fsl/fsl_ssi.h
@@ -12,33 +12,32 @@
#ifndef _MPC8610_I2S_H
#define _MPC8610_I2S_H
-/* SSI Register Map */
-struct ccsr_ssi {
- __be32 stx0; /* 0x.0000 - SSI Transmit Data Register 0 */
- __be32 stx1; /* 0x.0004 - SSI Transmit Data Register 1 */
- __be32 srx0; /* 0x.0008 - SSI Receive Data Register 0 */
- __be32 srx1; /* 0x.000C - SSI Receive Data Register 1 */
- __be32 scr; /* 0x.0010 - SSI Control Register */
- __be32 sisr; /* 0x.0014 - SSI Interrupt Status Register Mixed */
- __be32 sier; /* 0x.0018 - SSI Interrupt Enable Register */
- __be32 stcr; /* 0x.001C - SSI Transmit Configuration Register */
- __be32 srcr; /* 0x.0020 - SSI Receive Configuration Register */
- __be32 stccr; /* 0x.0024 - SSI Transmit Clock Control Register */
- __be32 srccr; /* 0x.0028 - SSI Receive Clock Control Register */
- __be32 sfcsr; /* 0x.002C - SSI FIFO Control/Status Register */
- __be32 str; /* 0x.0030 - SSI Test Register */
- __be32 sor; /* 0x.0034 - SSI Option Register */
- __be32 sacnt; /* 0x.0038 - SSI AC97 Control Register */
- __be32 sacadd; /* 0x.003C - SSI AC97 Command Address Register */
- __be32 sacdat; /* 0x.0040 - SSI AC97 Command Data Register */
- __be32 satag; /* 0x.0044 - SSI AC97 Tag Register */
- __be32 stmsk; /* 0x.0048 - SSI Transmit Time Slot Mask Register */
- __be32 srmsk; /* 0x.004C - SSI Receive Time Slot Mask Register */
- __be32 saccst; /* 0x.0050 - SSI AC97 Channel Status Register */
- __be32 saccen; /* 0x.0054 - SSI AC97 Channel Enable Register */
- __be32 saccdis; /* 0x.0058 - SSI AC97 Channel Disable Register */
-};
+/* SSI registers */
+#define CCSR_SSI_STX0 0x00
+#define CCSR_SSI_STX1 0x04
+#define CCSR_SSI_SRX0 0x08
+#define CCSR_SSI_SRX1 0x0c
+#define CCSR_SSI_SCR 0x10
+#define CCSR_SSI_SISR 0x14
+#define CCSR_SSI_SIER 0x18
+#define CCSR_SSI_STCR 0x1c
+#define CCSR_SSI_SRCR 0x20
+#define CCSR_SSI_STCCR 0x24
+#define CCSR_SSI_SRCCR 0x28
+#define CCSR_SSI_SFCSR 0x2c
+#define CCSR_SSI_STR 0x30
+#define CCSR_SSI_SOR 0x34
+#define CCSR_SSI_SACNT 0x38
+#define CCSR_SSI_SACADD 0x3c
+#define CCSR_SSI_SACDAT 0x40
+#define CCSR_SSI_SATAG 0x44
+#define CCSR_SSI_STMSK 0x48
+#define CCSR_SSI_SRMSK 0x4c
+#define CCSR_SSI_SACCST 0x50
+#define CCSR_SSI_SACCEN 0x54
+#define CCSR_SSI_SACCDIS 0x58
+#define CCSR_SSI_SCR_SYNC_TX_FS 0x00001000
#define CCSR_SSI_SCR_RFR_CLK_DIS 0x00000800
#define CCSR_SSI_SCR_TFR_CLK_DIS 0x00000400
#define CCSR_SSI_SCR_TCH_EN 0x00000100
@@ -206,5 +205,64 @@ struct ccsr_ssi {
#define CCSR_SSI_SACNT_FV 0x00000002
#define CCSR_SSI_SACNT_AC97EN 0x00000001
-#endif
+struct device;
+
+#if IS_ENABLED(CONFIG_DEBUG_FS)
+
+struct fsl_ssi_dbg {
+ struct dentry *dbg_dir;
+ struct dentry *dbg_stats;
+
+ struct {
+ unsigned int rfrc;
+ unsigned int tfrc;
+ unsigned int cmdau;
+ unsigned int cmddu;
+ unsigned int rxt;
+ unsigned int rdr1;
+ unsigned int rdr0;
+ unsigned int tde1;
+ unsigned int tde0;
+ unsigned int roe1;
+ unsigned int roe0;
+ unsigned int tue1;
+ unsigned int tue0;
+ unsigned int tfs;
+ unsigned int rfs;
+ unsigned int tls;
+ unsigned int rls;
+ unsigned int rff1;
+ unsigned int rff0;
+ unsigned int tfe1;
+ unsigned int tfe0;
+ } stats;
+};
+
+void fsl_ssi_dbg_isr(struct fsl_ssi_dbg *ssi_dbg, u32 sisr);
+
+int fsl_ssi_debugfs_create(struct fsl_ssi_dbg *ssi_dbg, struct device *dev);
+
+void fsl_ssi_debugfs_remove(struct fsl_ssi_dbg *ssi_dbg);
+
+#else
+
+struct fsl_ssi_dbg {
+};
+
+static inline void fsl_ssi_dbg_isr(struct fsl_ssi_dbg *stats, u32 sisr)
+{
+}
+
+static inline int fsl_ssi_debugfs_create(struct fsl_ssi_dbg *ssi_dbg,
+ struct device *dev)
+{
+ return 0;
+}
+
+static inline void fsl_ssi_debugfs_remove(struct fsl_ssi_dbg *ssi_dbg)
+{
+}
+#endif /* ! IS_ENABLED(CONFIG_DEBUG_FS) */
+
+#endif