1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/staging/sm750fb/ddk750_display.h b/drivers/staging/sm750fb/ddk750_display.h
new file mode 100644
index 000000000..7f713906d
--- /dev/null
+++ b/drivers/staging/sm750fb/ddk750_display.h
@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef DDK750_DISPLAY_H__
+#define DDK750_DISPLAY_H__
+
+/*
+ * panel path select
+ *	80000[29:28]
+ */
+
+#define PNL_2_OFFSET 0
+#define PNL_2_MASK (3 << PNL_2_OFFSET)
+#define PNL_2_USAGE	(PNL_2_MASK << 16)
+#define PNL_2_PRI	((0 << PNL_2_OFFSET) | PNL_2_USAGE)
+#define PNL_2_SEC	((2 << PNL_2_OFFSET) | PNL_2_USAGE)
+
+/*
+ * primary timing & plane enable bit
+ *	1: 80000[8] & 80000[2] on
+ *	0: both off
+ */
+#define PRI_TP_OFFSET 4
+#define PRI_TP_MASK BIT(PRI_TP_OFFSET)
+#define PRI_TP_USAGE (PRI_TP_MASK << 16)
+#define PRI_TP_ON ((0x1 << PRI_TP_OFFSET) | PRI_TP_USAGE)
+#define PRI_TP_OFF ((0x0 << PRI_TP_OFFSET) | PRI_TP_USAGE)
+
+/*
+ * panel sequency status
+ *	80000[27:24]
+ */
+#define PNL_SEQ_OFFSET 6
+#define PNL_SEQ_MASK BIT(PNL_SEQ_OFFSET)
+#define PNL_SEQ_USAGE (PNL_SEQ_MASK << 16)
+#define PNL_SEQ_ON (BIT(PNL_SEQ_OFFSET) | PNL_SEQ_USAGE)
+#define PNL_SEQ_OFF ((0 << PNL_SEQ_OFFSET) | PNL_SEQ_USAGE)
+
+/*
+ * dual digital output
+ *	80000[19]
+ */
+#define DUAL_TFT_OFFSET 8
+#define DUAL_TFT_MASK BIT(DUAL_TFT_OFFSET)
+#define DUAL_TFT_USAGE (DUAL_TFT_MASK << 16)
+#define DUAL_TFT_ON (BIT(DUAL_TFT_OFFSET) | DUAL_TFT_USAGE)
+#define DUAL_TFT_OFF ((0 << DUAL_TFT_OFFSET) | DUAL_TFT_USAGE)
+
+/*
+ * secondary timing & plane enable bit
+ *	1:80200[8] & 80200[2] on
+ *	0: both off
+ */
+#define SEC_TP_OFFSET 5
+#define SEC_TP_MASK BIT(SEC_TP_OFFSET)
+#define SEC_TP_USAGE (SEC_TP_MASK << 16)
+#define SEC_TP_ON  ((0x1 << SEC_TP_OFFSET) | SEC_TP_USAGE)
+#define SEC_TP_OFF ((0x0 << SEC_TP_OFFSET) | SEC_TP_USAGE)
+
+/*
+ * crt path select
+ *	80200[19:18]
+ */
+#define CRT_2_OFFSET 2
+#define CRT_2_MASK (3 << CRT_2_OFFSET)
+#define CRT_2_USAGE (CRT_2_MASK << 16)
+#define CRT_2_PRI ((0x0 << CRT_2_OFFSET) | CRT_2_USAGE)
+#define CRT_2_SEC ((0x2 << CRT_2_OFFSET) | CRT_2_USAGE)
+
+/*
+ * DAC affect both DVI and DSUB
+ *	4[20]
+ */
+#define DAC_OFFSET 7
+#define DAC_MASK BIT(DAC_OFFSET)
+#define DAC_USAGE (DAC_MASK << 16)
+#define DAC_ON ((0x0 << DAC_OFFSET) | DAC_USAGE)
+#define DAC_OFF ((0x1 << DAC_OFFSET) | DAC_USAGE)
+
+/*
+ * DPMS only affect D-SUB head
+ *	0[31:30]
+ */
+#define DPMS_OFFSET 9
+#define DPMS_MASK (3 << DPMS_OFFSET)
+#define DPMS_USAGE (DPMS_MASK << 16)
+#define DPMS_OFF ((3 << DPMS_OFFSET) | DPMS_USAGE)
+#define DPMS_ON ((0 << DPMS_OFFSET) | DPMS_USAGE)
+
+/*
+ * LCD1 means panel path TFT1  & panel path DVI (so enable DAC)
+ * CRT means crt path DSUB
+ */
+enum disp_output {
+	do_LCD1_PRI = PNL_2_PRI | PRI_TP_ON | PNL_SEQ_ON | DAC_ON,
+	do_LCD1_SEC = PNL_2_SEC | SEC_TP_ON | PNL_SEQ_ON | DAC_ON,
+	do_LCD2_PRI = CRT_2_PRI | PRI_TP_ON | DUAL_TFT_ON,
+	do_LCD2_SEC = CRT_2_SEC | SEC_TP_ON | DUAL_TFT_ON,
+	/*
+	 * do_DSUB_PRI = CRT_2_PRI | PRI_TP_ON | DPMS_ON|DAC_ON,
+	 * do_DSUB_SEC = CRT_2_SEC | SEC_TP_ON | DPMS_ON|DAC_ON,
+	 */
+	do_CRT_PRI = CRT_2_PRI | PRI_TP_ON | DPMS_ON | DAC_ON,
+	do_CRT_SEC = CRT_2_SEC | SEC_TP_ON | DPMS_ON | DAC_ON,
+};
+
+void ddk750_set_logical_disp_out(enum disp_output output);
+
+#endif