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drm: HDMI and DP specific HDCP2.2 defines

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This patch adds HDCP register definitions for HDMI and DP HDCP
adaptations.

HDMI specific HDCP2.2 register definitions are added into drm_hdcp.h,
where as HDCP2.2 register offsets in DPCD offsets are defined at
drm_dp_helper.h.

v2:
  bit_field definitions are replaced by macros. [Tomas and Jani]
v3:
  No Changes.
v4:
  Comments style and typos are fixed [Uma]
v5:
  Fix for macros.
v6:
  Adds _MS to the timeouts to represent units [Sean Paul]
v7:
  Macro DP_HDCP_2_2_REG_EKH_KM_OFFSET renamed [Uma]
  Redundant macro is removed [Uma]

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Sean Paul <seanpaul@chromium.org> (for merging through drm-intel)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1540806351-7137-6-git-send-email-ramalingam.c@intel.com
This commit is contained in:
Ramalingam C
2018-10-29 15:15:50 +05:30
committed by Daniel Vetter
parent af5aad0598
commit 8b44fefee6
2 changed files with 79 additions and 0 deletions
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28
include/drm/drm_hdcp.h
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@@ -222,4 +222,32 @@ struct hdcp2_dp_errata_stream_type {
u8 stream_type;
} __packed;
/* HDCP2.2 TIMEOUTs in mSec */
#define HDCP_2_2_CERT_TIMEOUT_MS 100
#define HDCP_2_2_HPRIME_NO_PAIRED_TIMEOUT_MS 1000
#define HDCP_2_2_HPRIME_PAIRED_TIMEOUT_MS 200
#define HDCP_2_2_PAIRING_TIMEOUT_MS 200
#define HDCP_2_2_HDMI_LPRIME_TIMEOUT_MS 20
#define HDCP_2_2_DP_LPRIME_TIMEOUT_MS 7
#define HDCP_2_2_RECVID_LIST_TIMEOUT_MS 3000
#define HDCP_2_2_STREAM_READY_TIMEOUT_MS 100
/* HDMI HDCP2.2 Register Offsets */
#define HDCP_2_2_HDMI_REG_VER_OFFSET 0x50
#define HDCP_2_2_HDMI_REG_WR_MSG_OFFSET 0x60
#define HDCP_2_2_HDMI_REG_RXSTATUS_OFFSET 0x70
#define HDCP_2_2_HDMI_REG_RD_MSG_OFFSET 0x80
#define HDCP_2_2_HDMI_REG_DBG_OFFSET 0xC0
#define HDCP_2_2_HDMI_SUPPORT_MASK BIT(2)
#define HDCP_2_2_RX_CAPS_VERSION_VAL 0x02
#define HDCP_2_2_SEQ_NUM_MAX 0xFFFFFF
#define HDCP_2_2_DELAY_BEFORE_ENCRYPTION_EN 200
/* Below macros take a byte at a time and mask the bit(s) */
#define HDCP_2_2_HDMI_RXSTATUS_LEN 2
#define HDCP_2_2_HDMI_RXSTATUS_MSG_SZ_HI(x) ((x) & 0x3)
#define HDCP_2_2_HDMI_RXSTATUS_READY(x) ((x) & BIT(2))
#define HDCP_2_2_HDMI_RXSTATUS_REAUTH_REQ(x) ((x) & BIT(3))
#endif