From c4a9aec3dfe5203363c6c2f9fc62353f4898225e Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Tue, 10 Oct 2017 11:20:05 +0800 Subject: [PATCH] drm/sun4i: hdmi: Add A31 specific DDC register definitions The DDC block for the HDMI controller is different on the A31. This patch adds the register definitions. Signed-off-by: Chen-Yu Tsai Acked-by: Maxime Ripard Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20171010032008.682-9-wens@csie.org --- drivers/gpu/drm/sun4i/sun4i_hdmi.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi.h b/drivers/gpu/drm/sun4i/sun4i_hdmi.h index 3057e31219f6..ee42ae7e5a21 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi.h +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi.h @@ -153,6 +153,37 @@ #define SUN4I_HDMI_DDC_FIFO_SIZE 16 +/* A31 specific */ +#define SUN6I_HDMI_DDC_CTRL_REG 0x500 +#define SUN6I_HDMI_DDC_CTRL_RESET BIT(31) +#define SUN6I_HDMI_DDC_CTRL_START_CMD BIT(27) +#define SUN6I_HDMI_DDC_CTRL_SDA_ENABLE BIT(6) +#define SUN6I_HDMI_DDC_CTRL_SCL_ENABLE BIT(4) +#define SUN6I_HDMI_DDC_CTRL_ENABLE BIT(0) + +#define SUN6I_HDMI_DDC_CMD_REG 0x508 +#define SUN6I_HDMI_DDC_CMD_BYTE_COUNT(count) ((count) << 16) +/* command types in lower 3 bits are the same as sun4i */ + +#define SUN6I_HDMI_DDC_ADDR_REG 0x50c +#define SUN6I_HDMI_DDC_ADDR_SEGMENT(seg) (((seg) & 0xff) << 24) +#define SUN6I_HDMI_DDC_ADDR_EDDC(addr) (((addr) & 0xff) << 16) +#define SUN6I_HDMI_DDC_ADDR_OFFSET(off) (((off) & 0xff) << 8) +#define SUN6I_HDMI_DDC_ADDR_SLAVE(addr) (((addr) & 0xff) << 1) + +#define SUN6I_HDMI_DDC_INT_STATUS_REG 0x514 +#define SUN6I_HDMI_DDC_INT_STATUS_TIMEOUT BIT(8) +/* lower 8 bits are the same as sun4i */ + +#define SUN6I_HDMI_DDC_FIFO_CTRL_REG 0x518 +#define SUN6I_HDMI_DDC_FIFO_CTRL_CLEAR BIT(15) +/* lower 9 bits are the same as sun4i */ + +#define SUN6I_HDMI_DDC_CLK_REG 0x520 +/* DDC CLK bit fields are the same, but the formula is not */ + +#define SUN6I_HDMI_DDC_FIFO_DATA_REG 0x580 + enum sun4i_hdmi_pkt_type { SUN4I_HDMI_PKT_AVI = 2, SUN4I_HDMI_PKT_END = 15, -- 2.11.0