On Thu, 25 May 2017, Hans Verkuil <hverkuil@xxxxxxxxx> wrote: > From: Clint Taylor <clinton.a.taylor@xxxxxxxxx> > > Adding DPCD register definitions from the DP 1.3 specification for CEC > over AUX support. > > V2: Add DP_ prefix to all defines. > V3: missed prefixes from the ESI1 defines > > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> > > Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx> > Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx> > Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> > Link: http://patchwork.freedesktop.org/patch/msgid/1492703263-11494-1-git-send-email-clinton.a.taylor@xxxxxxxxx This one's already in drm-next as commit d753e41d475421543eaaea5f0feadba827f5fa01 Author: Clint Taylor <clinton.a.taylor@xxxxxxxxx> Date: Thu Apr 20 08:47:43 2017 -0700 drm/cec: Add CEC over Aux register definitions BR, Jani. > --- > include/drm/drm_dp_helper.h | 59 +++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 59 insertions(+) > > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h > index c0bd0d7651a9..3f4ad709534e 100644 > --- a/include/drm/drm_dp_helper.h > +++ b/include/drm/drm_dp_helper.h > @@ -603,6 +603,9 @@ > #define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI0 0x2003 /* 1.2 */ > > #define DP_DEVICE_SERVICE_IRQ_VECTOR_ESI1 0x2004 /* 1.2 */ > +# define DP_RX_GTC_MSTR_REQ_STATUS_CHANGE (1 << 0) > +# define DP_LOCK_ACQUISITION_REQUEST (1 << 1) > +# define DP_CEC_IRQ (1 << 2) > > #define DP_LINK_SERVICE_IRQ_VECTOR_ESI0 0x2005 /* 1.2 */ > > @@ -636,6 +639,62 @@ > # define DP_VSC_EXT_CEA_SDP_SUPPORTED (1 << 6) /* DP 1.4 */ > # define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED (1 << 7) /* DP 1.4 */ > > +/* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */ > +#define DP_CEC_TUNNELING_CAPABILITY 0x3000 > +# define DP_CEC_TUNNELING_CAPABLE (1 << 0) > +# define DP_CEC_SNOOPING_CAPABLE (1 << 1) > +# define DP_CEC_MULTIPLE_LA_CAPABLE (1 << 2) > + > +#define DP_CEC_TUNNELING_CONTROL 0x3001 > +# define DP_CEC_TUNNELING_ENABLE (1 << 0) > +# define DP_CEC_SNOOPING_ENABLE (1 << 1) > + > +#define DP_CEC_RX_MESSAGE_INFO 0x3002 > +# define DP_CEC_RX_MESSAGE_LEN_MASK (0xf << 0) > +# define DP_CEC_RX_MESSAGE_LEN_SHIFT 0 > +# define DP_CEC_RX_MESSAGE_HPD_STATE (1 << 4) > +# define DP_CEC_RX_MESSAGE_HPD_LOST (1 << 5) > +# define DP_CEC_RX_MESSAGE_ACKED (1 << 6) > +# define DP_CEC_RX_MESSAGE_ENDED (1 << 7) > + > +#define DP_CEC_TX_MESSAGE_INFO 0x3003 > +# define DP_CEC_TX_MESSAGE_LEN_MASK (0xf << 0) > +# define DP_CEC_TX_MESSAGE_LEN_SHIFT 0 > +# define DP_CEC_TX_RETRY_COUNT_MASK (0x7 << 4) > +# define DP_CEC_TX_RETRY_COUNT_SHIFT 4 > +# define DP_CEC_TX_MESSAGE_SEND (1 << 7) > + > +#define DP_CEC_TUNNELING_IRQ_FLAGS 0x3004 > +# define DP_CEC_RX_MESSAGE_INFO_VALID (1 << 0) > +# define DP_CEC_RX_MESSAGE_OVERFLOW (1 << 1) > +# define DP_CEC_TX_MESSAGE_SENT (1 << 4) > +# define DP_CEC_TX_LINE_ERROR (1 << 5) > +# define DP_CEC_TX_ADDRESS_NACK_ERROR (1 << 6) > +# define DP_CEC_TX_DATA_NACK_ERROR (1 << 7) > + > +#define DP_CEC_LOGICAL_ADDRESS_MASK 0x300E /* 0x300F word */ > +# define DP_CEC_LOGICAL_ADDRESS_0 (1 << 0) > +# define DP_CEC_LOGICAL_ADDRESS_1 (1 << 1) > +# define DP_CEC_LOGICAL_ADDRESS_2 (1 << 2) > +# define DP_CEC_LOGICAL_ADDRESS_3 (1 << 3) > +# define DP_CEC_LOGICAL_ADDRESS_4 (1 << 4) > +# define DP_CEC_LOGICAL_ADDRESS_5 (1 << 5) > +# define DP_CEC_LOGICAL_ADDRESS_6 (1 << 6) > +# define DP_CEC_LOGICAL_ADDRESS_7 (1 << 7) > +#define DP_CEC_LOGICAL_ADDRESS_MASK_2 0x300F /* 0x300E word */ > +# define DP_CEC_LOGICAL_ADDRESS_8 (1 << 0) > +# define DP_CEC_LOGICAL_ADDRESS_9 (1 << 1) > +# define DP_CEC_LOGICAL_ADDRESS_10 (1 << 2) > +# define DP_CEC_LOGICAL_ADDRESS_11 (1 << 3) > +# define DP_CEC_LOGICAL_ADDRESS_12 (1 << 4) > +# define DP_CEC_LOGICAL_ADDRESS_13 (1 << 5) > +# define DP_CEC_LOGICAL_ADDRESS_14 (1 << 6) > +# define DP_CEC_LOGICAL_ADDRESS_15 (1 << 7) > + > +#define DP_CEC_RX_MESSAGE_BUFFER 0x3010 > +#define DP_CEC_TX_MESSAGE_BUFFER 0x3020 > +#define DP_CEC_MESSAGE_BUFFER_LENGTH 0x10 > + > /* DP 1.2 Sideband message defines */ > /* peer device type - DP 1.2a Table 2-92 */ > #define DP_PEER_DEVICE_NONE 0x0 -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
