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-rw-r--r--apps/osmocomBB/osmocomBB/include/mtk/bsi.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/apps/osmocomBB/osmocomBB/include/mtk/bsi.h b/apps/osmocomBB/osmocomBB/include/mtk/bsi.h
new file mode 100644
index 0000000000..6f381ce360
--- /dev/null
+++ b/apps/osmocomBB/osmocomBB/include/mtk/bsi.h
@@ -0,0 +1,41 @@
+#ifndef _MTK_BSI_H
+#define _MTK_BSI_H
+
+/* MTK Baseband Serial Interface */
+
+enum bsi_reg {
+ BSI_CON = 0x0000,
+ BSI_D0_CON = 0x0004,
+ BSI_D0_DAT = 0x0008,
+
+ BSI_ENA_0 = 0x0190,
+ BSI_ENA_1 = 0x0194,
+ BSI_IO_CON = 0x0198,
+ BSI_DOUT = 0x019c,
+ BSI_DIN = 0x01a0,
+ BSI_PAIR_NUM = 0x01a4,
+
+};
+
+/* Compute offset of BSI_D0_CON / BSI_D0_DAT registers */
+#define BSI_Dn_CON(x) (BSI_D0_CON + (x * 8))
+#define BSI_Dn_CON(x) (BSI_D0_DAT + (x * 8))
+
+/* MT6235 Section 9.1.1 */
+#define BSI_CON_CLK_POL_INV (1 << 0)
+#define BSI_CON_CLK_SPD_52_2 (0 << 1) /* 26 MHz */
+#define BSI_CON_CLK_SPD_52_4 (1 << 1) /* 13 MHz */
+#define BSI_CON_CLK_SPD_52_6 (2 << 1) /* 8.67 MHz */
+#define BSI_CON_CLK_SPD_52_8 (3 << 1) /* 6.50 MHz */
+#define BSI_CON_IMOD (1 << 3)
+#define BSI_CON_EN0_LEN_SHORT (1 << 4)
+#define BSI_CON_EN0_POL_INV (1 << 5)
+#define BSI_CON_EN0_LEN_SHORT (1 << 6)
+#define BSI_CON_EN0_POL_INV (1 << 7)
+#define BSI_CON_SETENV (1 << 8)
+
+/* how the length is encoded in BSI_Dx_CON */
+#define BSI_Dx_LEN(n) ((n & 0x7f) << 8)
+#define BSI_Dx_ISB 0x8000 /* select device 1 */
+
+#endif /* _MTK_BSI_H */