diff mbox series

[v11,1/6] drm/i915: mei_hdcp: I915 sends ddi index as per ME FW

Message ID 20190828072823.4832-2-ramalingam.c@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915: Enable HDCP 1.4 and 2.2 on Gen12+ | expand

Commit Message

Ramalingam C Aug. 28, 2019, 7:28 a.m. UTC 
I915 converts it's port value into ddi index defiend by ME FW
and pass it as a member of hdcp_port_data structure.

Hence expose the enum mei_fw_ddi to I915 through
i915_mei_interface.h.

v2:
  Copyright years are bumped [Tomas]

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
---
 drivers/gpu/drm/i915/display/intel_hdcp.c | 17 +++++++++++-
 drivers/misc/mei/hdcp/mei_hdcp.c          | 34 ++++++++---------------
 drivers/misc/mei/hdcp/mei_hdcp.h          | 12 --------
 include/drm/i915_mei_hdcp_interface.h     | 18 ++++++++++--
 4 files changed, 42 insertions(+), 39 deletions(-)

Comments

Winkler, Tomas Aug. 28, 2019, 12:17 p.m. UTC | #1 
> I915 converts it's port value into ddi index defiend by ME FW and pass it as a
> member of hdcp_port_data structure.
> 
> Hence expose the enum mei_fw_ddi to I915 through i915_mei_interface.h.
> 
> v2:
>   Copyright years are bumped [Tomas]
> 
> Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
> Acked-by: Jani Nikula <jani.nikula@intel.com>
> Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>

ACK. 
> ---
>  drivers/gpu/drm/i915/display/intel_hdcp.c | 17 +++++++++++-
>  drivers/misc/mei/hdcp/mei_hdcp.c          | 34 ++++++++---------------
>  drivers/misc/mei/hdcp/mei_hdcp.h          | 12 --------
>  include/drm/i915_mei_hdcp_interface.h     | 18 ++++++++++--
>  4 files changed, 42 insertions(+), 39 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c
> b/drivers/gpu/drm/i915/display/intel_hdcp.c
> index 6ec5ceeab601..e8b04cc8fcb1 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> @@ -1,9 +1,11 @@
>  /* SPDX-License-Identifier: MIT */
>  /*
>   * Copyright (C) 2017 Google, Inc.
> + * Copyright _ 2017-2019, Intel Corporation.
>   *
>   * Authors:
>   * Sean Paul <seanpaul@chromium.org>
> + * Ramalingam C <ramalingam.c@intel.com>
>   */
> 
>  #include <linux/component.h>
> @@ -1749,13 +1751,26 @@ static const struct component_ops
> i915_hdcp_component_ops = {
>  	.unbind = i915_hdcp_component_unbind,
>  };
> 
> +static inline
> +enum mei_fw_ddi intel_get_mei_fw_ddi_index(enum port port) {
> +	switch (port) {
> +	case PORT_A:
> +		return MEI_DDI_A;
> +	case PORT_B ... PORT_F:
> +		return (enum mei_fw_ddi)port;
> +	default:
> +		return MEI_DDI_INVALID_PORT;
> +	}
> +}
> +
>  static inline int initialize_hdcp_port_data(struct intel_connector *connector,
>  					    const struct intel_hdcp_shim *shim)
> {
>  	struct intel_hdcp *hdcp = &connector->hdcp;
>  	struct hdcp_port_data *data = &hdcp->port_data;
> 
> -	data->port = connector->encoder->port;
> +	data->fw_ddi = intel_get_mei_fw_ddi_index(connector->encoder-
> >port);
>  	data->port_type = (u8)HDCP_PORT_TYPE_INTEGRATED;
>  	data->protocol = (u8)shim->protocol;
> 
> diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c
> b/drivers/misc/mei/hdcp/mei_hdcp.c
> index c681f6fab342..3638c77eba26 100644
> --- a/drivers/misc/mei/hdcp/mei_hdcp.c
> +++ b/drivers/misc/mei/hdcp/mei_hdcp.c
> @@ -27,18 +27,6 @@
> 
>  #include "mei_hdcp.h"
> 
> -static inline u8 mei_get_ddi_index(enum port port) -{
> -	switch (port) {
> -	case PORT_A:
> -		return MEI_DDI_A;
> -	case PORT_B ... PORT_F:
> -		return (u8)port;
> -	default:
> -		return MEI_DDI_INVALID_PORT;
> -	}
> -}
> -
>  /**
>   * mei_hdcp_initiate_session() - Initiate a Wired HDCP2.2 Tx Session in ME FW
>   * @dev: device corresponding to the mei_cl_device @@ -69,7 +57,7 @@
> mei_hdcp_initiate_session(struct device *dev, struct hdcp_port_data *data,
> 
> 	WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN;
> 
>  	session_init_in.port.integrated_port_type = data->port_type;
> -	session_init_in.port.physical_port = mei_get_ddi_index(data->port);
> +	session_init_in.port.physical_port = (u8)data->fw_ddi;
>  	session_init_in.protocol = data->protocol;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&session_init_in, @@ -138,7
> +126,7 @@ mei_hdcp_verify_receiver_cert_prepare_km(struct device *dev,
> 
> 	WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN;
> 
>  	verify_rxcert_in.port.integrated_port_type = data->port_type;
> -	verify_rxcert_in.port.physical_port = mei_get_ddi_index(data->port);
> +	verify_rxcert_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	verify_rxcert_in.cert_rx = rx_cert->cert_rx;
>  	memcpy(verify_rxcert_in.r_rx, &rx_cert->r_rx, HDCP_2_2_RRX_LEN);
> @@ -208,7 +196,7 @@ mei_hdcp_verify_hprime(struct device *dev, struct
> hdcp_port_data *data,
>  	send_hprime_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN;
> 
>  	send_hprime_in.port.integrated_port_type = data->port_type;
> -	send_hprime_in.port.physical_port = mei_get_ddi_index(data->port);
> +	send_hprime_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(send_hprime_in.h_prime, rx_hprime->h_prime,
>  	       HDCP_2_2_H_PRIME_LEN);
> @@ -265,7 +253,7 @@ mei_hdcp_store_pairing_info(struct device *dev, struct
> hdcp_port_data *data,
> 
> 	WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN;
> 
>  	pairing_info_in.port.integrated_port_type = data->port_type;
> -	pairing_info_in.port.physical_port = mei_get_ddi_index(data->port);
> +	pairing_info_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(pairing_info_in.e_kh_km, pairing_info->e_kh_km,
>  	       HDCP_2_2_E_KH_KM_LEN);
> @@ -323,7 +311,7 @@ mei_hdcp_initiate_locality_check(struct device *dev,
>  	lc_init_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_IN;
> 
>  	lc_init_in.port.integrated_port_type = data->port_type;
> -	lc_init_in.port.physical_port = mei_get_ddi_index(data->port);
> +	lc_init_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&lc_init_in, sizeof(lc_init_in));
>  	if (byte < 0) {
> @@ -378,7 +366,7 @@ mei_hdcp_verify_lprime(struct device *dev, struct
> hdcp_port_data *data,
> 
> 	WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_IN;
> 
>  	verify_lprime_in.port.integrated_port_type = data->port_type;
> -	verify_lprime_in.port.physical_port = mei_get_ddi_index(data->port);
> +	verify_lprime_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(verify_lprime_in.l_prime, rx_lprime->l_prime,
>  	       HDCP_2_2_L_PRIME_LEN);
> @@ -435,7 +423,7 @@ static int mei_hdcp_get_session_key(struct device
> *dev,
>  	get_skey_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_GET_SESSION_KEY_IN;
> 
>  	get_skey_in.port.integrated_port_type = data->port_type;
> -	get_skey_in.port.physical_port = mei_get_ddi_index(data->port);
> +	get_skey_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&get_skey_in, sizeof(get_skey_in));
>  	if (byte < 0) {
> @@ -499,7 +487,7 @@ mei_hdcp_repeater_check_flow_prepare_ack(struct
> device *dev,
> 
> 	WIRED_CMD_BUF_LEN_VERIFY_REPEATER_IN;
> 
>  	verify_repeater_in.port.integrated_port_type = data->port_type;
> -	verify_repeater_in.port.physical_port = mei_get_ddi_index(data-
> >port);
> +	verify_repeater_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(verify_repeater_in.rx_info, rep_topology->rx_info,
>  	       HDCP_2_2_RXINFO_LEN);
> @@ -569,7 +557,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
> 
> 	WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN;
> 
>  	verify_mprime_in.port.integrated_port_type = data->port_type;
> -	verify_mprime_in.port.physical_port = mei_get_ddi_index(data->port);
> +	verify_mprime_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(verify_mprime_in.m_prime, stream_ready->m_prime,
>  	       HDCP_2_2_MPRIME_LEN);
> @@ -630,7 +618,7 @@ static int mei_hdcp_enable_authentication(struct
> device *dev,
>  	enable_auth_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_ENABLE_AUTH_IN;
> 
>  	enable_auth_in.port.integrated_port_type = data->port_type;
> -	enable_auth_in.port.physical_port = mei_get_ddi_index(data->port);
> +	enable_auth_in.port.physical_port = (u8)data->fw_ddi;
>  	enable_auth_in.stream_type = data->streams[0].stream_type;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&enable_auth_in, @@ -684,7
> +672,7 @@ mei_hdcp_close_session(struct device *dev, struct hdcp_port_data
> *data)
>  				WIRED_CMD_BUF_LEN_CLOSE_SESSION_IN;
> 
>  	session_close_in.port.integrated_port_type = data->port_type;
> -	session_close_in.port.physical_port = mei_get_ddi_index(data->port);
> +	session_close_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&session_close_in,
>  			      sizeof(session_close_in));
> diff --git a/drivers/misc/mei/hdcp/mei_hdcp.h
> b/drivers/misc/mei/hdcp/mei_hdcp.h
> index e4b1cd54c853..e60282eb2d48 100644
> --- a/drivers/misc/mei/hdcp/mei_hdcp.h
> +++ b/drivers/misc/mei/hdcp/mei_hdcp.h
> @@ -362,16 +362,4 @@ struct wired_cmd_repeater_auth_stream_req_out {
>  	struct hdcp_cmd_header	header;
>  	struct hdcp_port_id	port;
>  } __packed;
> -
> -enum mei_fw_ddi {
> -	MEI_DDI_INVALID_PORT = 0x0,
> -
> -	MEI_DDI_B = 1,
> -	MEI_DDI_C,
> -	MEI_DDI_D,
> -	MEI_DDI_E,
> -	MEI_DDI_F,
> -	MEI_DDI_A = 7,
> -	MEI_DDI_RANGE_END = MEI_DDI_A,
> -};
>  #endif /* __MEI_HDCP_H__ */
> diff --git a/include/drm/i915_mei_hdcp_interface.h
> b/include/drm/i915_mei_hdcp_interface.h
> index 8c344255146a..08670aa650d4 100644
> --- a/include/drm/i915_mei_hdcp_interface.h
> +++ b/include/drm/i915_mei_hdcp_interface.h
> @@ -1,6 +1,6 @@
>  /* SPDX-License-Identifier: (GPL-2.0+) */
>  /*
> - * Copyright © 2017-2018 Intel Corporation
> + * Copyright © 2017-2019 Intel Corporation
>   *
>   * Authors:
>   * Ramalingam C <ramalingam.c@intel.com> @@ -42,9 +42,21 @@ enum
> hdcp_wired_protocol {
>  	HDCP_PROTOCOL_DP
>  };
> 
> +enum mei_fw_ddi {
> +	MEI_DDI_INVALID_PORT = 0x0,
> +
> +	MEI_DDI_B = 1,
> +	MEI_DDI_C,
> +	MEI_DDI_D,
> +	MEI_DDI_E,
> +	MEI_DDI_F,
> +	MEI_DDI_A = 7,
> +	MEI_DDI_RANGE_END = MEI_DDI_A,
> +};
> +
>  /**
>   * struct hdcp_port_data - intel specific HDCP port data
> - * @port: port index as per I915
> + * @fw_ddi: ddi index as per ME FW
>   * @port_type: HDCP port type as per ME FW classification
>   * @protocol: HDCP adaptation as per ME FW
>   * @k: No of streams transmitted on a port. Only on DP MST this is != 1 @@ -
> 56,7 +68,7 @@ enum hdcp_wired_protocol {
>   *	     streams
>   */
>  struct hdcp_port_data {
> -	enum port port;
> +	enum mei_fw_ddi fw_ddi;
>  	u8 port_type;
>  	u8 protocol;
>  	u16 k;
> --
> 2.20.1
Winkler, Tomas Aug. 28, 2019, 12:31 p.m. UTC | #2 
> I915 converts it's port value into ddi index defiend by ME FW and pass it as a
> member of hdcp_port_data structure.
> 
> Hence expose the enum mei_fw_ddi to I915 through i915_mei_interface.h.
> 
> v2:
>   Copyright years are bumped [Tomas]
> 
> Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
> Acked-by: Jani Nikula <jani.nikula@intel.com>
> Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Ack
> ---
>  drivers/gpu/drm/i915/display/intel_hdcp.c | 17 +++++++++++-
>  drivers/misc/mei/hdcp/mei_hdcp.c          | 34 ++++++++---------------
>  drivers/misc/mei/hdcp/mei_hdcp.h          | 12 --------
>  include/drm/i915_mei_hdcp_interface.h     | 18 ++++++++++--
>  4 files changed, 42 insertions(+), 39 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c
> b/drivers/gpu/drm/i915/display/intel_hdcp.c
> index 6ec5ceeab601..e8b04cc8fcb1 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> @@ -1,9 +1,11 @@
>  /* SPDX-License-Identifier: MIT */
>  /*
>   * Copyright (C) 2017 Google, Inc.
> + * Copyright _ 2017-2019, Intel Corporation.
>   *
>   * Authors:
>   * Sean Paul <seanpaul@chromium.org>
> + * Ramalingam C <ramalingam.c@intel.com>
>   */
> 
>  #include <linux/component.h>
> @@ -1749,13 +1751,26 @@ static const struct component_ops
> i915_hdcp_component_ops = {
>  	.unbind = i915_hdcp_component_unbind,
>  };
> 
> +static inline
> +enum mei_fw_ddi intel_get_mei_fw_ddi_index(enum port port) {
> +	switch (port) {
> +	case PORT_A:
> +		return MEI_DDI_A;
> +	case PORT_B ... PORT_F:
> +		return (enum mei_fw_ddi)port;
> +	default:
> +		return MEI_DDI_INVALID_PORT;
> +	}
> +}
> +
>  static inline int initialize_hdcp_port_data(struct intel_connector *connector,
>  					    const struct intel_hdcp_shim *shim)
> {
>  	struct intel_hdcp *hdcp = &connector->hdcp;
>  	struct hdcp_port_data *data = &hdcp->port_data;
> 
> -	data->port = connector->encoder->port;
> +	data->fw_ddi = intel_get_mei_fw_ddi_index(connector->encoder-
> >port);
>  	data->port_type = (u8)HDCP_PORT_TYPE_INTEGRATED;
>  	data->protocol = (u8)shim->protocol;
> 
> diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c
> b/drivers/misc/mei/hdcp/mei_hdcp.c
> index c681f6fab342..3638c77eba26 100644
> --- a/drivers/misc/mei/hdcp/mei_hdcp.c
> +++ b/drivers/misc/mei/hdcp/mei_hdcp.c
> @@ -27,18 +27,6 @@
> 
>  #include "mei_hdcp.h"
> 
> -static inline u8 mei_get_ddi_index(enum port port) -{
> -	switch (port) {
> -	case PORT_A:
> -		return MEI_DDI_A;
> -	case PORT_B ... PORT_F:
> -		return (u8)port;
> -	default:
> -		return MEI_DDI_INVALID_PORT;
> -	}
> -}
> -
>  /**
>   * mei_hdcp_initiate_session() - Initiate a Wired HDCP2.2 Tx Session in ME FW
>   * @dev: device corresponding to the mei_cl_device @@ -69,7 +57,7 @@
> mei_hdcp_initiate_session(struct device *dev, struct hdcp_port_data *data,
> 
> 	WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN;
> 
>  	session_init_in.port.integrated_port_type = data->port_type;
> -	session_init_in.port.physical_port = mei_get_ddi_index(data->port);
> +	session_init_in.port.physical_port = (u8)data->fw_ddi;
>  	session_init_in.protocol = data->protocol;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&session_init_in, @@ -138,7
> +126,7 @@ mei_hdcp_verify_receiver_cert_prepare_km(struct device *dev,
> 
> 	WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN;
> 
>  	verify_rxcert_in.port.integrated_port_type = data->port_type;
> -	verify_rxcert_in.port.physical_port = mei_get_ddi_index(data->port);
> +	verify_rxcert_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	verify_rxcert_in.cert_rx = rx_cert->cert_rx;
>  	memcpy(verify_rxcert_in.r_rx, &rx_cert->r_rx, HDCP_2_2_RRX_LEN);
> @@ -208,7 +196,7 @@ mei_hdcp_verify_hprime(struct device *dev, struct
> hdcp_port_data *data,
>  	send_hprime_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN;
> 
>  	send_hprime_in.port.integrated_port_type = data->port_type;
> -	send_hprime_in.port.physical_port = mei_get_ddi_index(data->port);
> +	send_hprime_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(send_hprime_in.h_prime, rx_hprime->h_prime,
>  	       HDCP_2_2_H_PRIME_LEN);
> @@ -265,7 +253,7 @@ mei_hdcp_store_pairing_info(struct device *dev, struct
> hdcp_port_data *data,
> 
> 	WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN;
> 
>  	pairing_info_in.port.integrated_port_type = data->port_type;
> -	pairing_info_in.port.physical_port = mei_get_ddi_index(data->port);
> +	pairing_info_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(pairing_info_in.e_kh_km, pairing_info->e_kh_km,
>  	       HDCP_2_2_E_KH_KM_LEN);
> @@ -323,7 +311,7 @@ mei_hdcp_initiate_locality_check(struct device *dev,
>  	lc_init_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_IN;
> 
>  	lc_init_in.port.integrated_port_type = data->port_type;
> -	lc_init_in.port.physical_port = mei_get_ddi_index(data->port);
> +	lc_init_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&lc_init_in, sizeof(lc_init_in));
>  	if (byte < 0) {
> @@ -378,7 +366,7 @@ mei_hdcp_verify_lprime(struct device *dev, struct
> hdcp_port_data *data,
> 
> 	WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_IN;
> 
>  	verify_lprime_in.port.integrated_port_type = data->port_type;
> -	verify_lprime_in.port.physical_port = mei_get_ddi_index(data->port);
> +	verify_lprime_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(verify_lprime_in.l_prime, rx_lprime->l_prime,
>  	       HDCP_2_2_L_PRIME_LEN);
> @@ -435,7 +423,7 @@ static int mei_hdcp_get_session_key(struct device
> *dev,
>  	get_skey_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_GET_SESSION_KEY_IN;
> 
>  	get_skey_in.port.integrated_port_type = data->port_type;
> -	get_skey_in.port.physical_port = mei_get_ddi_index(data->port);
> +	get_skey_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&get_skey_in, sizeof(get_skey_in));
>  	if (byte < 0) {
> @@ -499,7 +487,7 @@ mei_hdcp_repeater_check_flow_prepare_ack(struct
> device *dev,
> 
> 	WIRED_CMD_BUF_LEN_VERIFY_REPEATER_IN;
> 
>  	verify_repeater_in.port.integrated_port_type = data->port_type;
> -	verify_repeater_in.port.physical_port = mei_get_ddi_index(data-
> >port);
> +	verify_repeater_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(verify_repeater_in.rx_info, rep_topology->rx_info,
>  	       HDCP_2_2_RXINFO_LEN);
> @@ -569,7 +557,7 @@ static int mei_hdcp_verify_mprime(struct device *dev,
> 
> 	WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN;
> 
>  	verify_mprime_in.port.integrated_port_type = data->port_type;
> -	verify_mprime_in.port.physical_port = mei_get_ddi_index(data->port);
> +	verify_mprime_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	memcpy(verify_mprime_in.m_prime, stream_ready->m_prime,
>  	       HDCP_2_2_MPRIME_LEN);
> @@ -630,7 +618,7 @@ static int mei_hdcp_enable_authentication(struct
> device *dev,
>  	enable_auth_in.header.buffer_len =
> WIRED_CMD_BUF_LEN_ENABLE_AUTH_IN;
> 
>  	enable_auth_in.port.integrated_port_type = data->port_type;
> -	enable_auth_in.port.physical_port = mei_get_ddi_index(data->port);
> +	enable_auth_in.port.physical_port = (u8)data->fw_ddi;
>  	enable_auth_in.stream_type = data->streams[0].stream_type;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&enable_auth_in, @@ -684,7
> +672,7 @@ mei_hdcp_close_session(struct device *dev, struct hdcp_port_data
> *data)
>  				WIRED_CMD_BUF_LEN_CLOSE_SESSION_IN;
> 
>  	session_close_in.port.integrated_port_type = data->port_type;
> -	session_close_in.port.physical_port = mei_get_ddi_index(data->port);
> +	session_close_in.port.physical_port = (u8)data->fw_ddi;
> 
>  	byte = mei_cldev_send(cldev, (u8 *)&session_close_in,
>  			      sizeof(session_close_in));
> diff --git a/drivers/misc/mei/hdcp/mei_hdcp.h
> b/drivers/misc/mei/hdcp/mei_hdcp.h
> index e4b1cd54c853..e60282eb2d48 100644
> --- a/drivers/misc/mei/hdcp/mei_hdcp.h
> +++ b/drivers/misc/mei/hdcp/mei_hdcp.h
> @@ -362,16 +362,4 @@ struct wired_cmd_repeater_auth_stream_req_out {
>  	struct hdcp_cmd_header	header;
>  	struct hdcp_port_id	port;
>  } __packed;
> -
> -enum mei_fw_ddi {
> -	MEI_DDI_INVALID_PORT = 0x0,
> -
> -	MEI_DDI_B = 1,
> -	MEI_DDI_C,
> -	MEI_DDI_D,
> -	MEI_DDI_E,
> -	MEI_DDI_F,
> -	MEI_DDI_A = 7,
> -	MEI_DDI_RANGE_END = MEI_DDI_A,
> -};
>  #endif /* __MEI_HDCP_H__ */
> diff --git a/include/drm/i915_mei_hdcp_interface.h
> b/include/drm/i915_mei_hdcp_interface.h
> index 8c344255146a..08670aa650d4 100644
> --- a/include/drm/i915_mei_hdcp_interface.h
> +++ b/include/drm/i915_mei_hdcp_interface.h
> @@ -1,6 +1,6 @@
>  /* SPDX-License-Identifier: (GPL-2.0+) */
>  /*
> - * Copyright © 2017-2018 Intel Corporation
> + * Copyright © 2017-2019 Intel Corporation
>   *
>   * Authors:
>   * Ramalingam C <ramalingam.c@intel.com> @@ -42,9 +42,21 @@ enum
> hdcp_wired_protocol {
>  	HDCP_PROTOCOL_DP
>  };
> 
> +enum mei_fw_ddi {
> +	MEI_DDI_INVALID_PORT = 0x0,
> +
> +	MEI_DDI_B = 1,
> +	MEI_DDI_C,
> +	MEI_DDI_D,
> +	MEI_DDI_E,
> +	MEI_DDI_F,
> +	MEI_DDI_A = 7,
> +	MEI_DDI_RANGE_END = MEI_DDI_A,
> +};
> +
>  /**
>   * struct hdcp_port_data - intel specific HDCP port data
> - * @port: port index as per I915
> + * @fw_ddi: ddi index as per ME FW
>   * @port_type: HDCP port type as per ME FW classification
>   * @protocol: HDCP adaptation as per ME FW
>   * @k: No of streams transmitted on a port. Only on DP MST this is != 1 @@ -
> 56,7 +68,7 @@ enum hdcp_wired_protocol {
>   *	     streams
>   */
>  struct hdcp_port_data {
> -	enum port port;
> +	enum mei_fw_ddi fw_ddi;
>  	u8 port_type;
>  	u8 protocol;
>  	u16 k;
> --
> 2.20.1
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 6ec5ceeab601..e8b04cc8fcb1 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -1,9 +1,11 @@ 
 /* SPDX-License-Identifier: MIT */
 /*
  * Copyright (C) 2017 Google, Inc.
+ * Copyright _ 2017-2019, Intel Corporation.
  *
  * Authors:
  * Sean Paul <seanpaul@chromium.org>
+ * Ramalingam C <ramalingam.c@intel.com>
  */
 
 #include <linux/component.h>
@@ -1749,13 +1751,26 @@  static const struct component_ops i915_hdcp_component_ops = {
 	.unbind = i915_hdcp_component_unbind,
 };
 
+static inline
+enum mei_fw_ddi intel_get_mei_fw_ddi_index(enum port port)
+{
+	switch (port) {
+	case PORT_A:
+		return MEI_DDI_A;
+	case PORT_B ... PORT_F:
+		return (enum mei_fw_ddi)port;
+	default:
+		return MEI_DDI_INVALID_PORT;
+	}
+}
+
 static inline int initialize_hdcp_port_data(struct intel_connector *connector,
 					    const struct intel_hdcp_shim *shim)
 {
 	struct intel_hdcp *hdcp = &connector->hdcp;
 	struct hdcp_port_data *data = &hdcp->port_data;
 
-	data->port = connector->encoder->port;
+	data->fw_ddi = intel_get_mei_fw_ddi_index(connector->encoder->port);
 	data->port_type = (u8)HDCP_PORT_TYPE_INTEGRATED;
 	data->protocol = (u8)shim->protocol;
 
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index c681f6fab342..3638c77eba26 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -27,18 +27,6 @@ 
 
 #include "mei_hdcp.h"
 
-static inline u8 mei_get_ddi_index(enum port port)
-{
-	switch (port) {
-	case PORT_A:
-		return MEI_DDI_A;
-	case PORT_B ... PORT_F:
-		return (u8)port;
-	default:
-		return MEI_DDI_INVALID_PORT;
-	}
-}
-
 /**
  * mei_hdcp_initiate_session() - Initiate a Wired HDCP2.2 Tx Session in ME FW
  * @dev: device corresponding to the mei_cl_device
@@ -69,7 +57,7 @@  mei_hdcp_initiate_session(struct device *dev, struct hdcp_port_data *data,
 				WIRED_CMD_BUF_LEN_INITIATE_HDCP2_SESSION_IN;
 
 	session_init_in.port.integrated_port_type = data->port_type;
-	session_init_in.port.physical_port = mei_get_ddi_index(data->port);
+	session_init_in.port.physical_port = (u8)data->fw_ddi;
 	session_init_in.protocol = data->protocol;
 
 	byte = mei_cldev_send(cldev, (u8 *)&session_init_in,
@@ -138,7 +126,7 @@  mei_hdcp_verify_receiver_cert_prepare_km(struct device *dev,
 				WIRED_CMD_BUF_LEN_VERIFY_RECEIVER_CERT_IN;
 
 	verify_rxcert_in.port.integrated_port_type = data->port_type;
-	verify_rxcert_in.port.physical_port = mei_get_ddi_index(data->port);
+	verify_rxcert_in.port.physical_port = (u8)data->fw_ddi;
 
 	verify_rxcert_in.cert_rx = rx_cert->cert_rx;
 	memcpy(verify_rxcert_in.r_rx, &rx_cert->r_rx, HDCP_2_2_RRX_LEN);
@@ -208,7 +196,7 @@  mei_hdcp_verify_hprime(struct device *dev, struct hdcp_port_data *data,
 	send_hprime_in.header.buffer_len = WIRED_CMD_BUF_LEN_AKE_SEND_HPRIME_IN;
 
 	send_hprime_in.port.integrated_port_type = data->port_type;
-	send_hprime_in.port.physical_port = mei_get_ddi_index(data->port);
+	send_hprime_in.port.physical_port = (u8)data->fw_ddi;
 
 	memcpy(send_hprime_in.h_prime, rx_hprime->h_prime,
 	       HDCP_2_2_H_PRIME_LEN);
@@ -265,7 +253,7 @@  mei_hdcp_store_pairing_info(struct device *dev, struct hdcp_port_data *data,
 					WIRED_CMD_BUF_LEN_SEND_PAIRING_INFO_IN;
 
 	pairing_info_in.port.integrated_port_type = data->port_type;
-	pairing_info_in.port.physical_port = mei_get_ddi_index(data->port);
+	pairing_info_in.port.physical_port = (u8)data->fw_ddi;
 
 	memcpy(pairing_info_in.e_kh_km, pairing_info->e_kh_km,
 	       HDCP_2_2_E_KH_KM_LEN);
@@ -323,7 +311,7 @@  mei_hdcp_initiate_locality_check(struct device *dev,
 	lc_init_in.header.buffer_len = WIRED_CMD_BUF_LEN_INIT_LOCALITY_CHECK_IN;
 
 	lc_init_in.port.integrated_port_type = data->port_type;
-	lc_init_in.port.physical_port = mei_get_ddi_index(data->port);
+	lc_init_in.port.physical_port = (u8)data->fw_ddi;
 
 	byte = mei_cldev_send(cldev, (u8 *)&lc_init_in, sizeof(lc_init_in));
 	if (byte < 0) {
@@ -378,7 +366,7 @@  mei_hdcp_verify_lprime(struct device *dev, struct hdcp_port_data *data,
 					WIRED_CMD_BUF_LEN_VALIDATE_LOCALITY_IN;
 
 	verify_lprime_in.port.integrated_port_type = data->port_type;
-	verify_lprime_in.port.physical_port = mei_get_ddi_index(data->port);
+	verify_lprime_in.port.physical_port = (u8)data->fw_ddi;
 
 	memcpy(verify_lprime_in.l_prime, rx_lprime->l_prime,
 	       HDCP_2_2_L_PRIME_LEN);
@@ -435,7 +423,7 @@  static int mei_hdcp_get_session_key(struct device *dev,
 	get_skey_in.header.buffer_len = WIRED_CMD_BUF_LEN_GET_SESSION_KEY_IN;
 
 	get_skey_in.port.integrated_port_type = data->port_type;
-	get_skey_in.port.physical_port = mei_get_ddi_index(data->port);
+	get_skey_in.port.physical_port = (u8)data->fw_ddi;
 
 	byte = mei_cldev_send(cldev, (u8 *)&get_skey_in, sizeof(get_skey_in));
 	if (byte < 0) {
@@ -499,7 +487,7 @@  mei_hdcp_repeater_check_flow_prepare_ack(struct device *dev,
 					WIRED_CMD_BUF_LEN_VERIFY_REPEATER_IN;
 
 	verify_repeater_in.port.integrated_port_type = data->port_type;
-	verify_repeater_in.port.physical_port = mei_get_ddi_index(data->port);
+	verify_repeater_in.port.physical_port = (u8)data->fw_ddi;
 
 	memcpy(verify_repeater_in.rx_info, rep_topology->rx_info,
 	       HDCP_2_2_RXINFO_LEN);
@@ -569,7 +557,7 @@  static int mei_hdcp_verify_mprime(struct device *dev,
 			WIRED_CMD_BUF_LEN_REPEATER_AUTH_STREAM_REQ_MIN_IN;
 
 	verify_mprime_in.port.integrated_port_type = data->port_type;
-	verify_mprime_in.port.physical_port = mei_get_ddi_index(data->port);
+	verify_mprime_in.port.physical_port = (u8)data->fw_ddi;
 
 	memcpy(verify_mprime_in.m_prime, stream_ready->m_prime,
 	       HDCP_2_2_MPRIME_LEN);
@@ -630,7 +618,7 @@  static int mei_hdcp_enable_authentication(struct device *dev,
 	enable_auth_in.header.buffer_len = WIRED_CMD_BUF_LEN_ENABLE_AUTH_IN;
 
 	enable_auth_in.port.integrated_port_type = data->port_type;
-	enable_auth_in.port.physical_port = mei_get_ddi_index(data->port);
+	enable_auth_in.port.physical_port = (u8)data->fw_ddi;
 	enable_auth_in.stream_type = data->streams[0].stream_type;
 
 	byte = mei_cldev_send(cldev, (u8 *)&enable_auth_in,
@@ -684,7 +672,7 @@  mei_hdcp_close_session(struct device *dev, struct hdcp_port_data *data)
 				WIRED_CMD_BUF_LEN_CLOSE_SESSION_IN;
 
 	session_close_in.port.integrated_port_type = data->port_type;
-	session_close_in.port.physical_port = mei_get_ddi_index(data->port);
+	session_close_in.port.physical_port = (u8)data->fw_ddi;
 
 	byte = mei_cldev_send(cldev, (u8 *)&session_close_in,
 			      sizeof(session_close_in));
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.h b/drivers/misc/mei/hdcp/mei_hdcp.h
index e4b1cd54c853..e60282eb2d48 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.h
+++ b/drivers/misc/mei/hdcp/mei_hdcp.h
@@ -362,16 +362,4 @@  struct wired_cmd_repeater_auth_stream_req_out {
 	struct hdcp_cmd_header	header;
 	struct hdcp_port_id	port;
 } __packed;
-
-enum mei_fw_ddi {
-	MEI_DDI_INVALID_PORT = 0x0,
-
-	MEI_DDI_B = 1,
-	MEI_DDI_C,
-	MEI_DDI_D,
-	MEI_DDI_E,
-	MEI_DDI_F,
-	MEI_DDI_A = 7,
-	MEI_DDI_RANGE_END = MEI_DDI_A,
-};
 #endif /* __MEI_HDCP_H__ */
diff --git a/include/drm/i915_mei_hdcp_interface.h b/include/drm/i915_mei_hdcp_interface.h
index 8c344255146a..08670aa650d4 100644
--- a/include/drm/i915_mei_hdcp_interface.h
+++ b/include/drm/i915_mei_hdcp_interface.h
@@ -1,6 +1,6 @@ 
 /* SPDX-License-Identifier: (GPL-2.0+) */
 /*
- * Copyright © 2017-2018 Intel Corporation
+ * Copyright © 2017-2019 Intel Corporation
  *
  * Authors:
  * Ramalingam C <ramalingam.c@intel.com>
@@ -42,9 +42,21 @@  enum hdcp_wired_protocol {
 	HDCP_PROTOCOL_DP
 };
 
+enum mei_fw_ddi {
+	MEI_DDI_INVALID_PORT = 0x0,
+
+	MEI_DDI_B = 1,
+	MEI_DDI_C,
+	MEI_DDI_D,
+	MEI_DDI_E,
+	MEI_DDI_F,
+	MEI_DDI_A = 7,
+	MEI_DDI_RANGE_END = MEI_DDI_A,
+};
+
 /**
  * struct hdcp_port_data - intel specific HDCP port data
- * @port: port index as per I915
+ * @fw_ddi: ddi index as per ME FW
  * @port_type: HDCP port type as per ME FW classification
  * @protocol: HDCP adaptation as per ME FW
  * @k: No of streams transmitted on a port. Only on DP MST this is != 1
@@ -56,7 +68,7 @@  enum hdcp_wired_protocol {
  *	     streams
  */
 struct hdcp_port_data {
-	enum port port;
+	enum mei_fw_ddi fw_ddi;
 	u8 port_type;
 	u8 protocol;
 	u16 k;