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authorShawn Guo <shawn.guo@linaro.org>2017-04-11 19:30:26 +0800
committerShawn Guo <shawn.guo@linaro.org>2017-05-04 13:53:05 +0800
commit6911498df901950d2b83ea707b3d00b1f6366fbc (patch)
tree50403c1194d179c65be1596c71474ab51577236a /drivers/gpu/drm/zte/zx_vga_regs.h
parentcd4b298334ebc7b7bd0384c6c81de398c983c6e3 (diff)
drm: zte: add VGA driver support
It adds VGA driver support, which needs to configure corresponding VOU interface in RGB_888 format, and thus the following changes are needed on zx_vou. - Rename the CSC block of Graphic Layer a bit to make it more specific, and add CSC of Channel to support RGB output. - Bypass Dither block for RGB output. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/1491910226-7831-1-git-send-email-shawnguo@kernel.org
Diffstat (limited to 'drivers/gpu/drm/zte/zx_vga_regs.h')
-rw-r--r--drivers/gpu/drm/zte/zx_vga_regs.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/zte/zx_vga_regs.h b/drivers/gpu/drm/zte/zx_vga_regs.h
new file mode 100644
index 000000000000..feaa345fe6a6
--- /dev/null
+++ b/drivers/gpu/drm/zte/zx_vga_regs.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2017 Sanechips Technology Co., Ltd.
+ * Copyright 2017 Linaro Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ZX_VGA_REGS_H__
+#define __ZX_VGA_REGS_H__
+
+#define VGA_CMD_CFG 0x04
+#define VGA_CMD_TRANS BIT(6)
+#define VGA_CMD_COMBO BIT(5)
+#define VGA_CMD_RW BIT(4)
+#define VGA_SUB_ADDR 0x0c
+#define VGA_DEVICE_ADDR 0x10
+#define VGA_CLK_DIV_FS 0x14
+#define VGA_RXF_CTRL 0x20
+#define VGA_RX_FIFO_CLEAR BIT(7)
+#define VGA_DATA 0x24
+#define VGA_I2C_STATUS 0x28
+#define VGA_DEVICE_DISCONNECTED BIT(7)
+#define VGA_DEVICE_CONNECTED BIT(6)
+#define VGA_CLEAR_IRQ BIT(4)
+#define VGA_TRANS_DONE BIT(0)
+#define VGA_RXF_STATUS 0x30
+#define VGA_RXF_COUNT_SHIFT 2
+#define VGA_RXF_COUNT_MASK GENMASK(7, 2)
+#define VGA_AUTO_DETECT_PARA 0x34
+#define VGA_AUTO_DETECT_SEL 0x38
+#define VGA_DETECT_SEL_HAS_DEVICE BIT(1)
+#define VGA_DETECT_SEL_NO_DEVICE BIT(0)
+
+#endif /* __ZX_VGA_REGS_H__ */