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path: root/drivers/gpu/drm/sun4i/sun4i_hdmi.h
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Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_hdmi.h')
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_hdmi.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi.h b/drivers/gpu/drm/sun4i/sun4i_hdmi.h
index 2f2f2ff1ea63..1457750988da 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi.h
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi.h
@@ -15,6 +15,8 @@
#include <drm/drm_connector.h>
#include <drm/drm_encoder.h>
+#include <media/cec.h>
+
#define SUN4I_HDMI_CTRL_REG 0x004
#define SUN4I_HDMI_CTRL_ENABLE BIT(31)
@@ -86,6 +88,11 @@
#define SUN4I_HDMI_PLL_DBG0_TMDS_PARENT_MASK BIT(21)
#define SUN4I_HDMI_PLL_DBG0_TMDS_PARENT_SHIFT 21
+#define SUN4I_HDMI_CEC 0x214
+#define SUN4I_HDMI_CEC_ENABLE BIT(11)
+#define SUN4I_HDMI_CEC_TX BIT(9)
+#define SUN4I_HDMI_CEC_RX BIT(8)
+
#define SUN4I_HDMI_PKT_CTRL_REG(n) (0x2f0 + (4 * (n)))
#define SUN4I_HDMI_PKT_CTRL_TYPE(n, t) ((t) << (((n) % 4) * 4))
@@ -96,6 +103,7 @@
#define SUN4I_HDMI_DDC_CTRL_ENABLE BIT(31)
#define SUN4I_HDMI_DDC_CTRL_START_CMD BIT(30)
#define SUN4I_HDMI_DDC_CTRL_FIFO_DIR_MASK BIT(8)
+#define SUN4I_HDMI_DDC_CTRL_FIFO_DIR_WRITE (1 << 8)
#define SUN4I_HDMI_DDC_CTRL_FIFO_DIR_READ (0 << 8)
#define SUN4I_HDMI_DDC_CTRL_RESET BIT(0)
@@ -105,14 +113,34 @@
#define SUN4I_HDMI_DDC_ADDR_OFFSET(off) (((off) & 0xff) << 8)
#define SUN4I_HDMI_DDC_ADDR_SLAVE(addr) ((addr) & 0xff)
+#define SUN4I_HDMI_DDC_INT_STATUS_REG 0x50c
+#define SUN4I_HDMI_DDC_INT_STATUS_ILLEGAL_FIFO_OPERATION BIT(7)
+#define SUN4I_HDMI_DDC_INT_STATUS_DDC_RX_FIFO_UNDERFLOW BIT(6)
+#define SUN4I_HDMI_DDC_INT_STATUS_DDC_TX_FIFO_OVERFLOW BIT(5)
+#define SUN4I_HDMI_DDC_INT_STATUS_FIFO_REQUEST BIT(4)
+#define SUN4I_HDMI_DDC_INT_STATUS_ARBITRATION_ERROR BIT(3)
+#define SUN4I_HDMI_DDC_INT_STATUS_ACK_ERROR BIT(2)
+#define SUN4I_HDMI_DDC_INT_STATUS_BUS_ERROR BIT(1)
+#define SUN4I_HDMI_DDC_INT_STATUS_TRANSFER_COMPLETE BIT(0)
+
#define SUN4I_HDMI_DDC_FIFO_CTRL_REG 0x510
#define SUN4I_HDMI_DDC_FIFO_CTRL_CLEAR BIT(31)
+#define SUN4I_HDMI_DDC_FIFO_CTRL_RX_THRES(n) (((n) & 0xf) << 4)
+#define SUN4I_HDMI_DDC_FIFO_CTRL_RX_THRES_MASK GENMASK(7, 4)
+#define SUN4I_HDMI_DDC_FIFO_CTRL_RX_THRES_MAX (BIT(4) - 1)
+#define SUN4I_HDMI_DDC_FIFO_CTRL_TX_THRES(n) ((n) & 0xf)
+#define SUN4I_HDMI_DDC_FIFO_CTRL_TX_THRES_MASK GENMASK(3, 0)
+#define SUN4I_HDMI_DDC_FIFO_CTRL_TX_THRES_MAX (BIT(4) - 1)
#define SUN4I_HDMI_DDC_FIFO_DATA_REG 0x518
+
#define SUN4I_HDMI_DDC_BYTE_COUNT_REG 0x51c
+#define SUN4I_HDMI_DDC_BYTE_COUNT_MAX (BIT(10) - 1)
#define SUN4I_HDMI_DDC_CMD_REG 0x520
#define SUN4I_HDMI_DDC_CMD_EXPLICIT_EDDC_READ 6
+#define SUN4I_HDMI_DDC_CMD_IMPLICIT_READ 5
+#define SUN4I_HDMI_DDC_CMD_IMPLICIT_WRITE 3
#define SUN4I_HDMI_DDC_CLK_REG 0x528
#define SUN4I_HDMI_DDC_CLK_M(m) (((m) & 0x7) << 3)
@@ -146,12 +174,16 @@ struct sun4i_hdmi {
struct clk *ddc_clk;
struct clk *tmds_clk;
+ struct i2c_adapter *i2c;
+
struct sun4i_drv *drv;
bool hdmi_monitor;
+ struct cec_adapter *cec_adap;
};
int sun4i_ddc_create(struct sun4i_hdmi *hdmi, struct clk *clk);
int sun4i_tmds_create(struct sun4i_hdmi *hdmi);
+int sun4i_hdmi_i2c_create(struct device *dev, struct sun4i_hdmi *hdmi);
#endif /* _SUN4I_HDMI_H_ */