From patchwork Tue Jul 9 02:09:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 11036695 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5C7A71395 for ; Tue, 9 Jul 2019 09:08:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 471F8286B5 for ; Tue, 9 Jul 2019 09:08:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 39D78286DA; Tue, 9 Jul 2019 09:08:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=2.0 tests=BAYES_00,DATE_IN_PAST_06_12, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EE5E2286B5 for ; Tue, 9 Jul 2019 09:08:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2728989F6F; Tue, 9 Jul 2019 09:08:20 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id A2F8989F6F for ; Tue, 9 Jul 2019 09:08:18 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Jul 2019 02:08:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,470,1557212400"; d="scan'208,223";a="167362651" Received: from ramaling-i9x.iind.intel.com ([10.99.66.154]) by fmsmga007.fm.intel.com with ESMTP; 09 Jul 2019 02:08:15 -0700 From: Ramalingam C To: Sharma Shashank , intel-gfx , Daniel Vetter Date: Tue, 9 Jul 2019 07:39:27 +0530 Message-Id: <20190709020927.15121-1-ramalingam.c@intel.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5] drm/i915: Enable HDCP 1.4 and 2.2 on Gen12+ X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From Gen12 onwards, HDCP HW block is implemented within transcoders. Till Gen11 HDCP HW block was part of DDI. Hence required changes in HW programming is handled here. v2: _MMIO_TRANS is used [Lucas and Daniel] platform check is moved into the caller [Lucas] v3: platform check is moved into a macro [Shashank] v4: Few optimizations in the coding [Shashank] v5: Fixed alignment in macro definition in i915_reg.h [Shashank] unused variables "reg" is removed. Signed-off-by: Ramalingam C Reviewed-by: Shashank Sharma --- drivers/gpu/drm/i915/display/intel_hdcp.c | 133 +++++++++++++--------- drivers/gpu/drm/i915/display/intel_hdmi.c | 9 +- drivers/gpu/drm/i915/i915_reg.h | 120 +++++++++++++++++-- drivers/gpu/drm/i915/intel_drv.h | 8 ++ 4 files changed, 207 insertions(+), 63 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index bc3a94d491c4..23dc3ad4ba4c 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -17,6 +17,7 @@ #include "intel_drv.h" #include "intel_hdcp.h" #include "intel_sideband.h" +#include "intel_connector.h" #define KEY_LOAD_TRIES 5 #define ENCRYPT_STATUS_CHANGE_TIMEOUT_MS 50 @@ -104,24 +105,17 @@ bool intel_hdcp2_capable(struct intel_connector *connector) return capable; } -static inline bool intel_hdcp_in_use(struct intel_connector *connector) +static inline bool intel_hdcp_in_use(struct drm_i915_private *dev_priv, + enum pipe pipe, enum port port) { - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - enum port port = connector->encoder->port; - u32 reg; - - reg = I915_READ(PORT_HDCP_STATUS(port)); - return reg & HDCP_STATUS_ENC; + return I915_READ(HDCP_STATUS(dev_priv, pipe, port)) & HDCP_STATUS_ENC; } -static inline bool intel_hdcp2_in_use(struct intel_connector *connector) +static inline bool intel_hdcp2_in_use(struct drm_i915_private *dev_priv, + enum pipe pipe, enum port port) { - struct drm_i915_private *dev_priv = to_i915(connector->base.dev); - enum port port = connector->encoder->port; - u32 reg; - - reg = I915_READ(HDCP2_STATUS_DDI(port)); - return reg & LINK_ENCRYPTION_STATUS; + return I915_READ(HDCP2_STATUS(dev_priv, pipe, port)) & + LINK_ENCRYPTION_STATUS; } static int intel_hdcp_poll_ksv_fifo(struct intel_digital_port *intel_dig_port, @@ -253,9 +247,28 @@ static int intel_write_sha_text(struct drm_i915_private *dev_priv, u32 sha_text) } static -u32 intel_hdcp_get_repeater_ctl(struct intel_digital_port *intel_dig_port) +u32 intel_hdcp_get_repeater_ctl(struct drm_i915_private *dev_priv, + enum pipe pipe, enum port port) { - enum port port = intel_dig_port->base.port; + if (INTEL_GEN(dev_priv) >= 12) { + switch (pipe) { + case PIPE_A: + return HDCP_TRANSA_REP_PRESENT | + HDCP_TRANSA_SHA1_M0; + case PIPE_B: + return HDCP_TRANSB_REP_PRESENT | + HDCP_TRANSB_SHA1_M0; + case PIPE_C: + return HDCP_TRANSC_REP_PRESENT | + HDCP_TRANSC_SHA1_M0; + /* FIXME: Add a case for PIPE_D */ + default: + DRM_ERROR("Unknown pipe %d\n", pipe); + break; + } + return -EINVAL; + } + switch (port) { case PORT_A: return HDCP_DDIA_REP_PRESENT | HDCP_DDIA_SHA1_M0; @@ -268,18 +281,21 @@ u32 intel_hdcp_get_repeater_ctl(struct intel_digital_port *intel_dig_port) case PORT_E: return HDCP_DDIE_REP_PRESENT | HDCP_DDIE_SHA1_M0; default: + DRM_ERROR("Unknown port %d\n", port); break; } - DRM_ERROR("Unknown port %d\n", port); return -EINVAL; } static -int intel_hdcp_validate_v_prime(struct intel_digital_port *intel_dig_port, +int intel_hdcp_validate_v_prime(struct intel_connector *connector, const struct intel_hdcp_shim *shim, u8 *ksv_fifo, u8 num_downstream, u8 *bstatus) { + struct intel_digital_port *intel_dig_port = conn_to_dig_port(connector); struct drm_i915_private *dev_priv; + enum pipe pipe = connector->hdcp.pipe; + enum port port = intel_dig_port->base.port; u32 vprime, sha_text, sha_leftovers, rep_ctl; int ret, i, j, sha_idx; @@ -306,7 +322,7 @@ int intel_hdcp_validate_v_prime(struct intel_digital_port *intel_dig_port, sha_idx = 0; sha_text = 0; sha_leftovers = 0; - rep_ctl = intel_hdcp_get_repeater_ctl(intel_dig_port); + rep_ctl = intel_hdcp_get_repeater_ctl(dev_priv, pipe, port); I915_WRITE(HDCP_REP_CTL, rep_ctl | HDCP_SHA1_TEXT_32); for (i = 0; i < num_downstream; i++) { unsigned int sha_empty; @@ -544,7 +560,7 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector) * V prime atleast twice. */ for (i = 0; i < tries; i++) { - ret = intel_hdcp_validate_v_prime(intel_dig_port, shim, + ret = intel_hdcp_validate_v_prime(connector, shim, ksv_fifo, num_downstream, bstatus); if (!ret) @@ -572,6 +588,7 @@ static int intel_hdcp_auth(struct intel_connector *connector) struct drm_device *dev = connector->base.dev; const struct intel_hdcp_shim *shim = hdcp->shim; struct drm_i915_private *dev_priv; + enum pipe pipe = connector->hdcp.pipe; enum port port; unsigned long r0_prime_gen_start; int ret, i, tries = 2; @@ -611,19 +628,20 @@ static int intel_hdcp_auth(struct intel_connector *connector) /* Initialize An with 2 random values and acquire it */ for (i = 0; i < 2; i++) - I915_WRITE(PORT_HDCP_ANINIT(port), get_random_u32()); - I915_WRITE(PORT_HDCP_CONF(port), HDCP_CONF_CAPTURE_AN); + I915_WRITE(HDCP_ANINIT(dev_priv, pipe, port), get_random_u32()); + I915_WRITE(HDCP_CONF(dev_priv, pipe, port), HDCP_CONF_CAPTURE_AN); /* Wait for An to be acquired */ - if (intel_wait_for_register(&dev_priv->uncore, PORT_HDCP_STATUS(port), + if (intel_wait_for_register(&dev_priv->uncore, + HDCP_STATUS(dev_priv, pipe, port), HDCP_STATUS_AN_READY, HDCP_STATUS_AN_READY, 1)) { DRM_ERROR("Timed out waiting for An\n"); return -ETIMEDOUT; } - an.reg[0] = I915_READ(PORT_HDCP_ANLO(port)); - an.reg[1] = I915_READ(PORT_HDCP_ANHI(port)); + an.reg[0] = I915_READ(HDCP_ANLO(dev_priv, pipe, port)); + an.reg[1] = I915_READ(HDCP_ANHI(dev_priv, pipe, port)); ret = shim->write_an_aksv(intel_dig_port, an.shim); if (ret) return ret; @@ -641,24 +659,24 @@ static int intel_hdcp_auth(struct intel_connector *connector) return -EPERM; } - I915_WRITE(PORT_HDCP_BKSVLO(port), bksv.reg[0]); - I915_WRITE(PORT_HDCP_BKSVHI(port), bksv.reg[1]); + I915_WRITE(HDCP_BKSVLO(dev_priv, pipe, port), bksv.reg[0]); + I915_WRITE(HDCP_BKSVHI(dev_priv, pipe, port), bksv.reg[1]); ret = shim->repeater_present(intel_dig_port, &repeater_present); if (ret) return ret; if (repeater_present) I915_WRITE(HDCP_REP_CTL, - intel_hdcp_get_repeater_ctl(intel_dig_port)); + intel_hdcp_get_repeater_ctl(dev_priv, pipe, port)); ret = shim->toggle_signalling(intel_dig_port, true); if (ret) return ret; - I915_WRITE(PORT_HDCP_CONF(port), HDCP_CONF_AUTH_AND_ENC); + I915_WRITE(HDCP_CONF(dev_priv, pipe, port), HDCP_CONF_AUTH_AND_ENC); /* Wait for R0 ready */ - if (wait_for(I915_READ(PORT_HDCP_STATUS(port)) & + if (wait_for(I915_READ(HDCP_STATUS(dev_priv, pipe, port)) & (HDCP_STATUS_R0_READY | HDCP_STATUS_ENC), 1)) { DRM_ERROR("Timed out waiting for R0 ready\n"); return -ETIMEDOUT; @@ -686,22 +704,23 @@ static int intel_hdcp_auth(struct intel_connector *connector) ret = shim->read_ri_prime(intel_dig_port, ri.shim); if (ret) return ret; - I915_WRITE(PORT_HDCP_RPRIME(port), ri.reg); + I915_WRITE(HDCP_RPRIME(dev_priv, pipe, port), ri.reg); /* Wait for Ri prime match */ - if (!wait_for(I915_READ(PORT_HDCP_STATUS(port)) & + if (!wait_for(I915_READ(HDCP_STATUS(dev_priv, pipe, port)) & (HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC), 1)) break; } if (i == tries) { DRM_DEBUG_KMS("Timed out waiting for Ri prime match (%x)\n", - I915_READ(PORT_HDCP_STATUS(port))); + I915_READ(HDCP_STATUS(dev_priv, pipe, port))); return -ETIMEDOUT; } /* Wait for encryption confirmation */ - if (intel_wait_for_register(&dev_priv->uncore, PORT_HDCP_STATUS(port), + if (intel_wait_for_register(&dev_priv->uncore, + HDCP_STATUS(dev_priv, pipe, port), HDCP_STATUS_ENC, HDCP_STATUS_ENC, ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) { DRM_ERROR("Timed out waiting for encryption\n"); @@ -726,15 +745,16 @@ static int _intel_hdcp_disable(struct intel_connector *connector) struct drm_i915_private *dev_priv = connector->base.dev->dev_private; struct intel_digital_port *intel_dig_port = conn_to_dig_port(connector); enum port port = intel_dig_port->base.port; + enum pipe pipe = hdcp->pipe; int ret; DRM_DEBUG_KMS("[%s:%d] HDCP is being disabled...\n", connector->base.name, connector->base.base.id); hdcp->hdcp_encrypted = false; - I915_WRITE(PORT_HDCP_CONF(port), 0); + I915_WRITE(HDCP_CONF(dev_priv, pipe, port), 0); if (intel_wait_for_register(&dev_priv->uncore, - PORT_HDCP_STATUS(port), ~0, 0, + HDCP_STATUS(dev_priv, pipe, port), ~0, 0, ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) { DRM_ERROR("Failed to disable HDCP, timeout clearing status\n"); return -ETIMEDOUT; @@ -806,9 +826,11 @@ static int intel_hdcp_check_link(struct intel_connector *connector) struct drm_i915_private *dev_priv = connector->base.dev->dev_private; struct intel_digital_port *intel_dig_port = conn_to_dig_port(connector); enum port port = intel_dig_port->base.port; + enum pipe pipe; int ret = 0; mutex_lock(&hdcp->mutex); + pipe = hdcp->pipe; /* Check_link valid only when HDCP1.4 is enabled */ if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_ENABLED || @@ -817,10 +839,10 @@ static int intel_hdcp_check_link(struct intel_connector *connector) goto out; } - if (WARN_ON(!intel_hdcp_in_use(connector))) { + if (WARN_ON(!intel_hdcp_in_use(dev_priv, pipe, port))) { DRM_ERROR("%s:%d HDCP link stopped encryption,%x\n", connector->base.name, connector->base.base.id, - I915_READ(PORT_HDCP_STATUS(port))); + I915_READ(HDCP_STATUS(dev_priv, pipe, port))); ret = -ENXIO; hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; schedule_work(&hdcp->prop_work); @@ -1491,10 +1513,11 @@ static int hdcp2_enable_encryption(struct intel_connector *connector) struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_hdcp *hdcp = &connector->hdcp; enum port port = connector->encoder->port; + enum pipe pipe = hdcp->pipe; int ret; - WARN_ON(I915_READ(HDCP2_STATUS_DDI(port)) & LINK_ENCRYPTION_STATUS); - + WARN_ON(I915_READ(HDCP2_STATUS(dev_priv, pipe, port)) & + LINK_ENCRYPTION_STATUS); if (hdcp->shim->toggle_signalling) { ret = hdcp->shim->toggle_signalling(intel_dig_port, true); if (ret) { @@ -1504,14 +1527,15 @@ static int hdcp2_enable_encryption(struct intel_connector *connector) } } - if (I915_READ(HDCP2_STATUS_DDI(port)) & LINK_AUTH_STATUS) { + if (I915_READ(HDCP2_STATUS(dev_priv, pipe, port)) & LINK_AUTH_STATUS) { /* Link is Authenticated. Now set for Encryption */ - I915_WRITE(HDCP2_CTL_DDI(port), - I915_READ(HDCP2_CTL_DDI(port)) | + I915_WRITE(HDCP2_CTL(dev_priv, pipe, port), + I915_READ(HDCP2_CTL(dev_priv, pipe, port)) | CTL_LINK_ENCRYPTION_REQ); } - ret = intel_wait_for_register(&dev_priv->uncore, HDCP2_STATUS_DDI(port), + ret = intel_wait_for_register(&dev_priv->uncore, + HDCP2_STATUS(dev_priv, pipe, port), LINK_ENCRYPTION_STATUS, LINK_ENCRYPTION_STATUS, ENCRYPT_STATUS_CHANGE_TIMEOUT_MS); @@ -1525,14 +1549,17 @@ static int hdcp2_disable_encryption(struct intel_connector *connector) struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_hdcp *hdcp = &connector->hdcp; enum port port = connector->encoder->port; + enum pipe pipe = hdcp->pipe; int ret; - WARN_ON(!(I915_READ(HDCP2_STATUS_DDI(port)) & LINK_ENCRYPTION_STATUS)); + WARN_ON(!(I915_READ(HDCP2_STATUS(dev_priv, pipe, port)) & + LINK_ENCRYPTION_STATUS)); + I915_WRITE(HDCP2_CTL(dev_priv, pipe, port), + I915_READ(HDCP2_CTL(dev_priv, pipe, port)) & + ~CTL_LINK_ENCRYPTION_REQ); - I915_WRITE(HDCP2_CTL_DDI(port), - I915_READ(HDCP2_CTL_DDI(port)) & ~CTL_LINK_ENCRYPTION_REQ); - - ret = intel_wait_for_register(&dev_priv->uncore, HDCP2_STATUS_DDI(port), + ret = intel_wait_for_register(&dev_priv->uncore, + HDCP2_STATUS(dev_priv, pipe, port), LINK_ENCRYPTION_STATUS, 0x0, ENCRYPT_STATUS_CHANGE_TIMEOUT_MS); if (ret == -ETIMEDOUT) @@ -1631,9 +1658,11 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) struct drm_i915_private *dev_priv = to_i915(connector->base.dev); struct intel_hdcp *hdcp = &connector->hdcp; enum port port = connector->encoder->port; + enum pipe pipe; int ret = 0; mutex_lock(&hdcp->mutex); + pipe = hdcp->pipe; /* hdcp2_check_link is expected only when HDCP2.2 is Enabled */ if (hdcp->value != DRM_MODE_CONTENT_PROTECTION_ENABLED || @@ -1642,9 +1671,9 @@ static int intel_hdcp2_check_link(struct intel_connector *connector) goto out; } - if (WARN_ON(!intel_hdcp2_in_use(connector))) { + if (WARN_ON(!intel_hdcp2_in_use(dev_priv, pipe, port))) { DRM_ERROR("HDCP2.2 link stopped the encryption, %x\n", - I915_READ(HDCP2_STATUS_DDI(port))); + I915_READ(HDCP2_STATUS(dev_priv, pipe, port))); ret = -ENXIO; hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; schedule_work(&hdcp->prop_work); @@ -1857,6 +1886,8 @@ int intel_hdcp_enable(struct intel_connector *connector) mutex_lock(&hdcp->mutex); WARN_ON(hdcp->value == DRM_MODE_CONTENT_PROTECTION_ENABLED); + hdcp->pipe = intel_connector_get_pipe(connector); + /* * Considering that HDCP2.2 is more secure than HDCP1.4, If the setup * is capable of HDCP2.2, it is preferred to use HDCP2.2. diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 0ebec69bbbfc..2096aee174b2 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1491,7 +1491,10 @@ bool intel_hdmi_hdcp_check_link(struct intel_digital_port *intel_dig_port) { struct drm_i915_private *dev_priv = intel_dig_port->base.base.dev->dev_private; + struct intel_connector *connector = + intel_dig_port->hdmi.attached_connector; enum port port = intel_dig_port->base.port; + enum pipe pipe = connector->hdcp.pipe; int ret; union { u32 reg; @@ -1502,13 +1505,13 @@ bool intel_hdmi_hdcp_check_link(struct intel_digital_port *intel_dig_port) if (ret) return false; - I915_WRITE(PORT_HDCP_RPRIME(port), ri.reg); + I915_WRITE(HDCP_RPRIME(dev_priv, pipe, port), ri.reg); /* Wait for Ri prime match */ - if (wait_for(I915_READ(PORT_HDCP_STATUS(port)) & + if (wait_for(I915_READ(HDCP_STATUS(dev_priv, pipe, port)) & (HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC), 1)) { DRM_ERROR("Ri' mismatch detected, link check failed (%x)\n", - I915_READ(PORT_HDCP_STATUS(port))); + I915_READ(HDCP_STATUS(dev_priv, pipe, port))); return false; } return true; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5898f59e3dd7..3ea03433f4f4 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -9244,12 +9244,20 @@ enum skl_power_gate { /* HDCP Repeater Registers */ #define HDCP_REP_CTL _MMIO(0x66d00) +#define HDCP_TRANSA_REP_PRESENT BIT(31) +#define HDCP_TRANSB_REP_PRESENT BIT(30) +#define HDCP_TRANSC_REP_PRESENT BIT(29) +#define HDCP_TRANSD_REP_PRESENT BIT(28) #define HDCP_DDIB_REP_PRESENT BIT(30) #define HDCP_DDIA_REP_PRESENT BIT(29) #define HDCP_DDIC_REP_PRESENT BIT(28) #define HDCP_DDID_REP_PRESENT BIT(27) #define HDCP_DDIF_REP_PRESENT BIT(26) #define HDCP_DDIE_REP_PRESENT BIT(25) +#define HDCP_TRANSA_SHA1_M0 (1 << 20) +#define HDCP_TRANSB_SHA1_M0 (2 << 20) +#define HDCP_TRANSC_SHA1_M0 (3 << 20) +#define HDCP_TRANSD_SHA1_M0 (4 << 20) #define HDCP_DDIB_SHA1_M0 (1 << 20) #define HDCP_DDIA_SHA1_M0 (2 << 20) #define HDCP_DDIC_SHA1_M0 (3 << 20) @@ -9289,15 +9297,89 @@ enum skl_power_gate { _PORTE_HDCP_AUTHENC, \ _PORTF_HDCP_AUTHENC) + (x)) #define PORT_HDCP_CONF(port) _PORT_HDCP_AUTHENC(port, 0x0) +#define _TRANSA_HDCP_CONF 0x66400 +#define _TRANSB_HDCP_CONF 0x66500 +#define TRANS_HDCP_CONF(trans) _MMIO_TRANS(trans, _TRANSA_HDCP_CONF, \ + _TRANSB_HDCP_CONF) +#define HDCP_CONF(dev_priv, pipe, port) (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP_CONF(pipe) : \ + PORT_HDCP_CONF(port)) + #define HDCP_CONF_CAPTURE_AN BIT(0) #define HDCP_CONF_AUTH_AND_ENC (BIT(1) | BIT(0)) #define PORT_HDCP_ANINIT(port) _PORT_HDCP_AUTHENC(port, 0x4) +#define _TRANSA_HDCP_ANINIT 0x66404 +#define _TRANSB_HDCP_ANINIT 0x66504 +#define TRANS_HDCP_ANINIT(trans) _MMIO_TRANS(trans, \ + _TRANSA_HDCP_ANINIT, \ + _TRANSB_HDCP_ANINIT) +#define HDCP_ANINIT(dev_priv, pipe, port) \ + (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP_ANINIT(pipe) : \ + PORT_HDCP_ANINIT(port)) + #define PORT_HDCP_ANLO(port) _PORT_HDCP_AUTHENC(port, 0x8) +#define _TRANSA_HDCP_ANLO 0x66408 +#define _TRANSB_HDCP_ANLO 0x66508 +#define TRANS_HDCP_ANLO(trans) _MMIO_TRANS(trans, _TRANSA_HDCP_ANLO, \ + _TRANSB_HDCP_ANLO) +#define HDCP_ANLO(dev_priv, pipe, port) (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP_ANLO(pipe) : \ + PORT_HDCP_ANLO(port)) + #define PORT_HDCP_ANHI(port) _PORT_HDCP_AUTHENC(port, 0xC) +#define _TRANSA_HDCP_ANHI 0x6640C +#define _TRANSB_HDCP_ANHI 0x6650C +#define TRANS_HDCP_ANHI(trans) _MMIO_TRANS(trans, _TRANSA_HDCP_ANHI, \ + _TRANSB_HDCP_ANHI) +#define HDCP_ANHI(dev_priv, pipe, port) (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP_ANHI(pipe) : \ + PORT_HDCP_ANHI(port)) + #define PORT_HDCP_BKSVLO(port) _PORT_HDCP_AUTHENC(port, 0x10) +#define _TRANSA_HDCP_BKSVLO 0x66410 +#define _TRANSB_HDCP_BKSVLO 0x66510 +#define TRANS_HDCP_BKSVLO(trans) _MMIO_TRANS(trans, \ + _TRANSA_HDCP_BKSVLO, \ + _TRANSB_HDCP_BKSVLO) +#define HDCP_BKSVLO(dev_priv, pipe, port) \ + (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP_BKSVLO(pipe) : \ + PORT_HDCP_BKSVLO(port)) + #define PORT_HDCP_BKSVHI(port) _PORT_HDCP_AUTHENC(port, 0x14) +#define _TRANSA_HDCP_BKSVHI 0x66414 +#define _TRANSB_HDCP_BKSVHI 0x66514 +#define TRANS_HDCP_BKSVHI(trans) _MMIO_TRANS(trans, \ + _TRANSA_HDCP_BKSVHI, \ + _TRANSB_HDCP_BKSVHI) +#define HDCP_BKSVHI(dev_priv, pipe, port) \ + (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP_BKSVHI(pipe) : \ + PORT_HDCP_BKSVHI(port)) + #define PORT_HDCP_RPRIME(port) _PORT_HDCP_AUTHENC(port, 0x18) +#define _TRANSA_HDCP_RPRIME 0x66418 +#define _TRANSB_HDCP_RPRIME 0x66518 +#define TRANS_HDCP_RPRIME(trans) _MMIO_TRANS(trans, \ + _TRANSA_HDCP_RPRIME, \ + _TRANSB_HDCP_RPRIME) +#define HDCP_RPRIME(dev_priv, pipe, port) \ + (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP_RPRIME(pipe) : \ + PORT_HDCP_RPRIME(port)) + #define PORT_HDCP_STATUS(port) _PORT_HDCP_AUTHENC(port, 0x1C) +#define _TRANSA_HDCP_STATUS 0x6641C +#define _TRANSB_HDCP_STATUS 0x6651C +#define TRANS_HDCP_STATUS(trans) _MMIO_TRANS(trans, \ + _TRANSA_HDCP_STATUS, \ + _TRANSB_HDCP_STATUS) +#define HDCP_STATUS(dev_priv, pipe, port) \ + (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP_STATUS(pipe) : \ + PORT_HDCP_STATUS(port)) + #define HDCP_STATUS_STREAM_A_ENC BIT(31) #define HDCP_STATUS_STREAM_B_ENC BIT(30) #define HDCP_STATUS_STREAM_C_ENC BIT(29) @@ -9324,23 +9406,43 @@ enum skl_power_gate { _PORTD_HDCP2_BASE, \ _PORTE_HDCP2_BASE, \ _PORTF_HDCP2_BASE) + (x)) - -#define HDCP2_AUTH_DDI(port) _PORT_HDCP2_BASE(port, 0x98) +#define PORT_HDCP2_AUTH(port) _PORT_HDCP2_BASE(port, 0x98) +#define _TRANSA_HDCP2_AUTH 0x66498 +#define _TRANSB_HDCP2_AUTH 0x66598 +#define TRANS_HDCP2_AUTH(trans) _MMIO_TRANS(trans, _TRANSA_HDCP2_AUTH, \ + _TRANSB_HDCP2_AUTH) #define AUTH_LINK_AUTHENTICATED BIT(31) #define AUTH_LINK_TYPE BIT(30) #define AUTH_FORCE_CLR_INPUTCTR BIT(19) #define AUTH_CLR_KEYS BIT(18) - -#define HDCP2_CTL_DDI(port) _PORT_HDCP2_BASE(port, 0xB0) +#define HDCP2_AUTH(dev_priv, pipe, port) \ + (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP2_AUTH(pipe) : \ + PORT_HDCP2_AUTH(port)) + +#define PORT_HDCP2_CTL(port) _PORT_HDCP2_BASE(port, 0xB0) +#define _TRANSA_HDCP2_CTL 0x664B0 +#define _TRANSB_HDCP2_CTL 0x665B0 +#define TRANS_HDCP2_CTL(trans) _MMIO_TRANS(trans, _TRANSA_HDCP2_CTL, \ + _TRANSB_HDCP2_CTL) #define CTL_LINK_ENCRYPTION_REQ BIT(31) - -#define HDCP2_STATUS_DDI(port) _PORT_HDCP2_BASE(port, 0xB4) -#define STREAM_ENCRYPTION_STATUS_A BIT(31) -#define STREAM_ENCRYPTION_STATUS_B BIT(30) -#define STREAM_ENCRYPTION_STATUS_C BIT(29) +#define HDCP2_CTL(dev_priv, pipe, port) (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP2_CTL(pipe) : \ + PORT_HDCP2_CTL(port)) + +#define PORT_HDCP2_STATUS(port) _PORT_HDCP2_BASE(port, 0xB4) +#define _TRANSA_HDCP2_STATUS 0x664B4 +#define _TRANSB_HDCP2_STATUS 0x665B4 +#define TRANS_HDCP2_STATUS(trans) _MMIO_TRANS(trans, \ + _TRANSA_HDCP2_STATUS, \ + _TRANSB_HDCP2_STATUS) #define LINK_TYPE_STATUS BIT(22) #define LINK_AUTH_STATUS BIT(21) #define LINK_ENCRYPTION_STATUS BIT(20) +#define HDCP2_STATUS(dev_priv, pipe, port) \ + (INTEL_GEN(dev_priv) >= 12 ? \ + TRANS_HDCP2_STATUS(pipe) : \ + PORT_HDCP2_STATUS(port)) /* Per-pipe DDI Function Control */ #define _TRANS_DDI_FUNC_CTL_A 0x60400 diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 24c63ed45c6f..741fa21c3e57 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -365,6 +365,14 @@ struct intel_hdcp { wait_queue_head_t cp_irq_queue; atomic_t cp_irq_count; int cp_irq_count_cached; + + /* + * Gen 12 onwards, HDCP is part of transcoder(previously DDI). + * So chacheing the pipe associated to connector at hdcp_enable + * would help in subsequent functions to derive the right offsets + * for HDCP registers. + */ + enum pipe pipe; }; struct intel_connector {