f4b96df9ab
A long time ago, the slab header was added to multiple files in DC. We also included it in the os_types.h, which is included in many of those DC files. At this point, there is no need to insert the slab.h header in multiple files, so this commit drops those includes. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
412 lines
12 KiB
C
412 lines
12 KiB
C
/*
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* Copyright 2019 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#include "dm_services.h"
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#include "dm_helpers.h"
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#include "include/hdcp_msg_types.h"
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#include "include/signal_types.h"
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#include "core_types.h"
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#include "link.h"
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#include "link_hwss.h"
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#include "link/protocols/link_dpcd.h"
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#define DC_LOGGER \
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link->ctx->logger
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#define HDCP14_KSV_SIZE 5
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#define HDCP14_MAX_KSV_FIFO_SIZE 127*HDCP14_KSV_SIZE
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static const bool hdcp_cmd_is_read[HDCP_MESSAGE_ID_MAX] = {
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[HDCP_MESSAGE_ID_READ_BKSV] = true,
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[HDCP_MESSAGE_ID_READ_RI_R0] = true,
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[HDCP_MESSAGE_ID_READ_PJ] = true,
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[HDCP_MESSAGE_ID_WRITE_AKSV] = false,
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[HDCP_MESSAGE_ID_WRITE_AINFO] = false,
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[HDCP_MESSAGE_ID_WRITE_AN] = false,
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[HDCP_MESSAGE_ID_READ_VH_X] = true,
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[HDCP_MESSAGE_ID_READ_VH_0] = true,
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[HDCP_MESSAGE_ID_READ_VH_1] = true,
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[HDCP_MESSAGE_ID_READ_VH_2] = true,
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[HDCP_MESSAGE_ID_READ_VH_3] = true,
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[HDCP_MESSAGE_ID_READ_VH_4] = true,
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[HDCP_MESSAGE_ID_READ_BCAPS] = true,
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[HDCP_MESSAGE_ID_READ_BSTATUS] = true,
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[HDCP_MESSAGE_ID_READ_KSV_FIFO] = true,
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[HDCP_MESSAGE_ID_READ_BINFO] = true,
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[HDCP_MESSAGE_ID_HDCP2VERSION] = true,
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[HDCP_MESSAGE_ID_RX_CAPS] = true,
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[HDCP_MESSAGE_ID_WRITE_AKE_INIT] = false,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_CERT] = true,
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[HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = false,
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[HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM] = false,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = true,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO] = true,
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[HDCP_MESSAGE_ID_WRITE_LC_INIT] = false,
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[HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = true,
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[HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS] = false,
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[HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = true,
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[HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = false,
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[HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = false,
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[HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = true,
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[HDCP_MESSAGE_ID_READ_RXSTATUS] = true,
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[HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE] = false
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};
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static const uint8_t hdcp_i2c_offsets[HDCP_MESSAGE_ID_MAX] = {
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[HDCP_MESSAGE_ID_READ_BKSV] = 0x0,
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[HDCP_MESSAGE_ID_READ_RI_R0] = 0x8,
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[HDCP_MESSAGE_ID_READ_PJ] = 0xA,
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[HDCP_MESSAGE_ID_WRITE_AKSV] = 0x10,
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[HDCP_MESSAGE_ID_WRITE_AINFO] = 0x15,
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[HDCP_MESSAGE_ID_WRITE_AN] = 0x18,
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[HDCP_MESSAGE_ID_READ_VH_X] = 0x20,
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[HDCP_MESSAGE_ID_READ_VH_0] = 0x20,
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[HDCP_MESSAGE_ID_READ_VH_1] = 0x24,
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[HDCP_MESSAGE_ID_READ_VH_2] = 0x28,
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[HDCP_MESSAGE_ID_READ_VH_3] = 0x2C,
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[HDCP_MESSAGE_ID_READ_VH_4] = 0x30,
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[HDCP_MESSAGE_ID_READ_BCAPS] = 0x40,
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[HDCP_MESSAGE_ID_READ_BSTATUS] = 0x41,
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[HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x43,
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[HDCP_MESSAGE_ID_READ_BINFO] = 0xFF,
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[HDCP_MESSAGE_ID_HDCP2VERSION] = 0x50,
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[HDCP_MESSAGE_ID_WRITE_AKE_INIT] = 0x60,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_CERT] = 0x80,
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[HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = 0x60,
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[HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM] = 0x60,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = 0x80,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO] = 0x80,
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[HDCP_MESSAGE_ID_WRITE_LC_INIT] = 0x60,
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[HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = 0x80,
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[HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS] = 0x60,
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[HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = 0x80,
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[HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = 0x60,
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[HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x60,
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[HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = 0x80,
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[HDCP_MESSAGE_ID_READ_RXSTATUS] = 0x70,
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[HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE] = 0x0,
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};
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struct protection_properties {
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bool supported;
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bool (*process_transaction)(
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struct dc_link *link,
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struct hdcp_protection_message *message_info);
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};
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static const struct protection_properties non_supported_protection = {
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.supported = false
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};
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static bool hdmi_14_process_transaction(
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struct dc_link *link,
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struct hdcp_protection_message *message_info)
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{
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uint8_t *buff = NULL;
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bool result;
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const uint8_t hdcp_i2c_addr_link_primary = 0x3a; /* 0x74 >> 1*/
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const uint8_t hdcp_i2c_addr_link_secondary = 0x3b; /* 0x76 >> 1*/
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struct i2c_command i2c_command;
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uint8_t offset = hdcp_i2c_offsets[message_info->msg_id];
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struct i2c_payload i2c_payloads[] = {
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{ true, 0, 1, &offset },
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/* actual hdcp payload, will be filled later, zeroed for now*/
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{ 0 }
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};
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switch (message_info->link) {
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case HDCP_LINK_SECONDARY:
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i2c_payloads[0].address = hdcp_i2c_addr_link_secondary;
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i2c_payloads[1].address = hdcp_i2c_addr_link_secondary;
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break;
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case HDCP_LINK_PRIMARY:
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default:
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i2c_payloads[0].address = hdcp_i2c_addr_link_primary;
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i2c_payloads[1].address = hdcp_i2c_addr_link_primary;
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break;
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}
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if (hdcp_cmd_is_read[message_info->msg_id]) {
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i2c_payloads[1].write = false;
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i2c_command.number_of_payloads = ARRAY_SIZE(i2c_payloads);
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i2c_payloads[1].length = message_info->length;
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i2c_payloads[1].data = message_info->data;
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} else {
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i2c_command.number_of_payloads = 1;
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buff = kzalloc(message_info->length + 1, GFP_KERNEL);
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if (!buff)
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return false;
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buff[0] = offset;
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memmove(&buff[1], message_info->data, message_info->length);
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i2c_payloads[0].length = message_info->length + 1;
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i2c_payloads[0].data = buff;
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}
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i2c_command.payloads = i2c_payloads;
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i2c_command.engine = I2C_COMMAND_ENGINE_HW;//only HW
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i2c_command.speed = link->ddc->ctx->dc->caps.i2c_speed_in_khz;
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result = dm_helpers_submit_i2c(
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link->ctx,
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link,
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&i2c_command);
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kfree(buff);
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return result;
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}
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static const struct protection_properties hdmi_14_protection = {
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.supported = true,
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.process_transaction = hdmi_14_process_transaction
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};
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static const uint32_t hdcp_dpcd_addrs[HDCP_MESSAGE_ID_MAX] = {
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[HDCP_MESSAGE_ID_READ_BKSV] = 0x68000,
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[HDCP_MESSAGE_ID_READ_RI_R0] = 0x68005,
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[HDCP_MESSAGE_ID_READ_PJ] = 0xFFFFFFFF,
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[HDCP_MESSAGE_ID_WRITE_AKSV] = 0x68007,
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[HDCP_MESSAGE_ID_WRITE_AINFO] = 0x6803B,
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[HDCP_MESSAGE_ID_WRITE_AN] = 0x6800c,
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[HDCP_MESSAGE_ID_READ_VH_X] = 0x68014,
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[HDCP_MESSAGE_ID_READ_VH_0] = 0x68014,
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[HDCP_MESSAGE_ID_READ_VH_1] = 0x68018,
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[HDCP_MESSAGE_ID_READ_VH_2] = 0x6801c,
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[HDCP_MESSAGE_ID_READ_VH_3] = 0x68020,
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[HDCP_MESSAGE_ID_READ_VH_4] = 0x68024,
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[HDCP_MESSAGE_ID_READ_BCAPS] = 0x68028,
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[HDCP_MESSAGE_ID_READ_BSTATUS] = 0x68029,
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[HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x6802c,
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[HDCP_MESSAGE_ID_READ_BINFO] = 0x6802a,
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[HDCP_MESSAGE_ID_RX_CAPS] = 0x6921d,
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[HDCP_MESSAGE_ID_WRITE_AKE_INIT] = 0x69000,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_CERT] = 0x6900b,
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[HDCP_MESSAGE_ID_WRITE_AKE_NO_STORED_KM] = 0x69220,
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[HDCP_MESSAGE_ID_WRITE_AKE_STORED_KM] = 0x692a0,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_H_PRIME] = 0x692c0,
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[HDCP_MESSAGE_ID_READ_AKE_SEND_PAIRING_INFO] = 0x692e0,
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[HDCP_MESSAGE_ID_WRITE_LC_INIT] = 0x692f0,
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[HDCP_MESSAGE_ID_READ_LC_SEND_L_PRIME] = 0x692f8,
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[HDCP_MESSAGE_ID_WRITE_SKE_SEND_EKS] = 0x69318,
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[HDCP_MESSAGE_ID_READ_REPEATER_AUTH_SEND_RECEIVERID_LIST] = 0x69330,
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[HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_SEND_ACK] = 0x693e0,
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[HDCP_MESSAGE_ID_WRITE_REPEATER_AUTH_STREAM_MANAGE] = 0x693f0,
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[HDCP_MESSAGE_ID_READ_REPEATER_AUTH_STREAM_READY] = 0x69473,
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[HDCP_MESSAGE_ID_READ_RXSTATUS] = 0x69493,
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[HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE] = 0x69494
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};
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static bool dpcd_access_helper(
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struct dc_link *link,
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uint32_t length,
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uint8_t *data,
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uint32_t dpcd_addr,
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bool is_read)
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{
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enum dc_status status;
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uint32_t cur_length = 0;
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uint32_t offset = 0;
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uint32_t ksv_read_size = 0x6803b - 0x6802c;
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/* Read KSV, need repeatedly handle */
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if (dpcd_addr == 0x6802c) {
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if (length % HDCP14_KSV_SIZE) {
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DC_LOG_ERROR("%s: KsvFifo Size(%d) is not a multiple of HDCP14_KSV_SIZE(%d)\n",
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__func__,
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length,
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HDCP14_KSV_SIZE);
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}
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if (length > HDCP14_MAX_KSV_FIFO_SIZE) {
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DC_LOG_ERROR("%s: KsvFifo Size(%d) is greater than HDCP14_MAX_KSV_FIFO_SIZE(%d)\n",
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__func__,
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length,
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HDCP14_MAX_KSV_FIFO_SIZE);
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}
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DC_LOG_ERROR("%s: Reading %d Ksv(s) from KsvFifo\n",
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__func__,
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length / HDCP14_KSV_SIZE);
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while (length > 0) {
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if (length > ksv_read_size) {
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status = core_link_read_dpcd(
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link,
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dpcd_addr + offset,
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data + offset,
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ksv_read_size);
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data += ksv_read_size;
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length -= ksv_read_size;
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} else {
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status = core_link_read_dpcd(
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link,
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dpcd_addr + offset,
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data + offset,
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length);
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data += length;
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length = 0;
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}
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if (status != DC_OK)
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return false;
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}
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} else {
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while (length > 0) {
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if (length > DEFAULT_AUX_MAX_DATA_SIZE)
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cur_length = DEFAULT_AUX_MAX_DATA_SIZE;
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else
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cur_length = length;
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if (is_read) {
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status = core_link_read_dpcd(
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link,
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dpcd_addr + offset,
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data + offset,
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cur_length);
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} else {
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status = core_link_write_dpcd(
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link,
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dpcd_addr + offset,
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data + offset,
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cur_length);
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}
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if (status != DC_OK)
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return false;
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length -= cur_length;
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offset += cur_length;
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}
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}
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return true;
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}
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static bool dp_11_process_transaction(
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struct dc_link *link,
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struct hdcp_protection_message *message_info)
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{
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return dpcd_access_helper(
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link,
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message_info->length,
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message_info->data,
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hdcp_dpcd_addrs[message_info->msg_id],
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hdcp_cmd_is_read[message_info->msg_id]);
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}
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static const struct protection_properties dp_11_protection = {
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.supported = true,
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.process_transaction = dp_11_process_transaction
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};
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static const struct protection_properties *get_protection_properties_by_signal(
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struct dc_link *link,
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enum signal_type st,
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enum hdcp_version version)
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{
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switch (version) {
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case HDCP_VERSION_14:
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switch (st) {
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case SIGNAL_TYPE_DVI_SINGLE_LINK:
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case SIGNAL_TYPE_DVI_DUAL_LINK:
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case SIGNAL_TYPE_HDMI_TYPE_A:
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return &hdmi_14_protection;
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case SIGNAL_TYPE_DISPLAY_PORT:
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if (link &&
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(link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_VGA_CONVERTER ||
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link->dpcd_caps.dongle_caps.dongle_type == DISPLAY_DONGLE_DP_VGA_CONVERTER)) {
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return &non_supported_protection;
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}
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return &dp_11_protection;
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case SIGNAL_TYPE_DISPLAY_PORT_MST:
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case SIGNAL_TYPE_EDP:
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return &dp_11_protection;
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default:
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return &non_supported_protection;
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}
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break;
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case HDCP_VERSION_22:
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switch (st) {
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case SIGNAL_TYPE_DVI_SINGLE_LINK:
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case SIGNAL_TYPE_DVI_DUAL_LINK:
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case SIGNAL_TYPE_HDMI_TYPE_A:
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return &hdmi_14_protection; //todo version2.2
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case SIGNAL_TYPE_DISPLAY_PORT:
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case SIGNAL_TYPE_DISPLAY_PORT_MST:
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case SIGNAL_TYPE_EDP:
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return &dp_11_protection; //todo version2.2
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default:
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return &non_supported_protection;
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}
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break;
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default:
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return &non_supported_protection;
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}
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}
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enum hdcp_message_status dc_process_hdcp_msg(
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enum signal_type signal,
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struct dc_link *link,
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struct hdcp_protection_message *message_info)
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{
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enum hdcp_message_status status = HDCP_MESSAGE_FAILURE;
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uint32_t i = 0;
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const struct protection_properties *protection_props;
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if (!message_info)
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return HDCP_MESSAGE_UNSUPPORTED;
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if (message_info->msg_id < HDCP_MESSAGE_ID_READ_BKSV ||
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message_info->msg_id >= HDCP_MESSAGE_ID_MAX)
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return HDCP_MESSAGE_UNSUPPORTED;
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protection_props =
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get_protection_properties_by_signal(
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link,
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signal,
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message_info->version);
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if (!protection_props->supported)
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return HDCP_MESSAGE_UNSUPPORTED;
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if (protection_props->process_transaction(
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link,
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message_info)) {
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status = HDCP_MESSAGE_SUCCESS;
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} else {
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for (i = 0; i < message_info->max_retries; i++) {
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if (protection_props->process_transaction(
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link,
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message_info)) {
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status = HDCP_MESSAGE_SUCCESS;
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break;
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}
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}
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}
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return status;
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}
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