diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
18 files changed, 3461 insertions, 73 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c index 2d8f14b69117..1de4805cb8c7 100644 --- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c +++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c @@ -373,7 +373,42 @@ static struct fixed31_32 translate_from_linear_space( return dc_fixpt_mul(args->arg, args->a1); } -static struct fixed31_32 calculate_gamma22(struct fixed31_32 arg) + +static struct fixed31_32 translate_from_linear_space_long( + struct translate_from_linear_space_args *args) +{ + const struct fixed31_32 one = dc_fixpt_from_int(1); + + if (dc_fixpt_lt(one, args->arg)) + return one; + + if (dc_fixpt_le(args->arg, dc_fixpt_neg(args->a0))) + return dc_fixpt_sub( + args->a2, + dc_fixpt_mul( + dc_fixpt_add( + one, + args->a3), + dc_fixpt_pow( + dc_fixpt_neg(args->arg), + dc_fixpt_recip(args->gamma)))); + else if (dc_fixpt_le(args->a0, args->arg)) + return dc_fixpt_sub( + dc_fixpt_mul( + dc_fixpt_add( + one, + args->a3), + dc_fixpt_pow( + args->arg, + dc_fixpt_recip(args->gamma))), + args->a2); + else + return dc_fixpt_mul( + args->arg, + args->a1); +} + +static struct fixed31_32 calculate_gamma22(struct fixed31_32 arg, bool use_eetf) { struct fixed31_32 gamma = dc_fixpt_from_fraction(22, 10); @@ -384,9 +419,13 @@ static struct fixed31_32 calculate_gamma22(struct fixed31_32 arg) scratch_gamma_args.a3 = dc_fixpt_zero; scratch_gamma_args.gamma = gamma; + if (use_eetf) + return translate_from_linear_space_long(&scratch_gamma_args); + return translate_from_linear_space(&scratch_gamma_args); } + static struct fixed31_32 translate_to_linear_space( struct fixed31_32 arg, struct fixed31_32 a0, @@ -920,11 +959,7 @@ static bool build_freesync_hdr(struct pwl_float_data_ex *rgb_regamma, if (fs_params->max_display < 100) // cap at 100 at the top max_display = dc_fixpt_from_int(100); - if (fs_params->min_content < fs_params->min_display) - use_eetf = true; - else - min_content = min_display; - + // only max used, we don't adjust min luminance if (fs_params->max_content > fs_params->max_display) use_eetf = true; else @@ -950,7 +985,7 @@ static bool build_freesync_hdr(struct pwl_float_data_ex *rgb_regamma, if (dc_fixpt_lt(scaledX, dc_fixpt_zero)) output = dc_fixpt_zero; else - output = calculate_gamma22(scaledX); + output = calculate_gamma22(scaledX, use_eetf); rgb->r = output; rgb->g = output; @@ -2173,5 +2208,3 @@ bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans, rgb_degamma_alloc_fail: return ret; } - - diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index ec70c9b12e1a..16e69bbc69aa 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -37,8 +37,8 @@ #define STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME ((1000 / 60) * 65) /* Number of elements in the render times cache array */ #define RENDER_TIMES_MAX_COUNT 10 -/* Threshold to exit BTR (to avoid frequent enter-exits at the lower limit) */ -#define BTR_EXIT_MARGIN 2000 +/* Threshold to exit/exit BTR (to avoid frequent enter-exits at the lower limit) */ +#define BTR_MAX_MARGIN 2500 /* Threshold to change BTR multiplier (to avoid frequent changes) */ #define BTR_DRIFT_MARGIN 2000 /*Threshold to exit fixed refresh rate*/ @@ -234,6 +234,10 @@ static void update_v_total_for_static_ramp( current_duration_in_us) * (stream->timing.pix_clk_100hz / 10)), stream->timing.h_total), 1000); + /* v_total cannot be less than nominal */ + if (v_total < stream->timing.v_total) + v_total = stream->timing.v_total; + in_out_vrr->adjust.v_total_min = v_total; in_out_vrr->adjust.v_total_max = v_total; } @@ -250,24 +254,22 @@ static void apply_below_the_range(struct core_freesync *core_freesync, unsigned int delta_from_mid_point_in_us_1 = 0xFFFFFFFF; unsigned int delta_from_mid_point_in_us_2 = 0xFFFFFFFF; unsigned int frames_to_insert = 0; - unsigned int min_frame_duration_in_ns = 0; - unsigned int max_render_time_in_us = in_out_vrr->max_duration_in_us; unsigned int delta_from_mid_point_delta_in_us; - - min_frame_duration_in_ns = ((unsigned int) (div64_u64( - (1000000000ULL * 1000000), - in_out_vrr->max_refresh_in_uhz))); + unsigned int max_render_time_in_us = + in_out_vrr->max_duration_in_us - in_out_vrr->btr.margin_in_us; /* Program BTR */ - if (last_render_time_in_us + BTR_EXIT_MARGIN < max_render_time_in_us) { + if ((last_render_time_in_us + in_out_vrr->btr.margin_in_us / 2) < max_render_time_in_us) { /* Exit Below the Range */ if (in_out_vrr->btr.btr_active) { in_out_vrr->btr.frame_counter = 0; in_out_vrr->btr.btr_active = false; } - } else if (last_render_time_in_us > max_render_time_in_us) { + } else if (last_render_time_in_us > (max_render_time_in_us + in_out_vrr->btr.margin_in_us / 2)) { /* Enter Below the Range */ - in_out_vrr->btr.btr_active = true; + if (!in_out_vrr->btr.btr_active) { + in_out_vrr->btr.btr_active = true; + } } /* BTR set to "not active" so disengage */ @@ -323,7 +325,9 @@ static void apply_below_the_range(struct core_freesync *core_freesync, /* Choose number of frames to insert based on how close it * can get to the mid point of the variable range. */ - if (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2) { + if ((frame_time_in_us / mid_point_frames_ceil) > in_out_vrr->min_duration_in_us && + (delta_from_mid_point_in_us_1 < delta_from_mid_point_in_us_2 || + mid_point_frames_floor < 2)) { frames_to_insert = mid_point_frames_ceil; delta_from_mid_point_delta_in_us = delta_from_mid_point_in_us_2 - delta_from_mid_point_in_us_1; @@ -339,7 +343,7 @@ static void apply_below_the_range(struct core_freesync *core_freesync, if (in_out_vrr->btr.frames_to_insert != 0 && delta_from_mid_point_delta_in_us < BTR_DRIFT_MARGIN) { if (((last_render_time_in_us / in_out_vrr->btr.frames_to_insert) < - in_out_vrr->max_duration_in_us) && + max_render_time_in_us) && ((last_render_time_in_us / in_out_vrr->btr.frames_to_insert) > in_out_vrr->min_duration_in_us)) frames_to_insert = in_out_vrr->btr.frames_to_insert; @@ -743,6 +747,10 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, nominal_field_rate_in_uhz = mod_freesync_calc_nominal_field_rate(stream); + /* Rounded to the nearest Hz */ + nominal_field_rate_in_uhz = 1000000ULL * + div_u64(nominal_field_rate_in_uhz + 500000, 1000000); + min_refresh_in_uhz = in_config->min_refresh_in_uhz; max_refresh_in_uhz = in_config->max_refresh_in_uhz; @@ -788,6 +796,11 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, refresh_range = in_out_vrr->max_refresh_in_uhz - in_out_vrr->min_refresh_in_uhz; + in_out_vrr->btr.margin_in_us = in_out_vrr->max_duration_in_us - + 2 * in_out_vrr->min_duration_in_us; + if (in_out_vrr->btr.margin_in_us > BTR_MAX_MARGIN) + in_out_vrr->btr.margin_in_us = BTR_MAX_MARGIN; + in_out_vrr->supported = true; } @@ -803,6 +816,7 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, in_out_vrr->btr.inserted_duration_in_us = 0; in_out_vrr->btr.frames_to_insert = 0; in_out_vrr->btr.frame_counter = 0; + in_out_vrr->btr.mid_point_in_us = (in_out_vrr->min_duration_in_us + in_out_vrr->max_duration_in_us) / 2; @@ -975,13 +989,9 @@ void mod_freesync_get_settings(struct mod_freesync *mod_freesync, unsigned int *inserted_frames, unsigned int *inserted_duration_in_us) { - struct core_freesync *core_freesync = NULL; - if (mod_freesync == NULL) return; - core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync); - if (vrr->supported) { *v_total_min = vrr->adjust.v_total_min; *v_total_max = vrr->adjust.v_total_max; @@ -996,14 +1006,13 @@ unsigned long long mod_freesync_calc_nominal_field_rate( const struct dc_stream_state *stream) { unsigned long long nominal_field_rate_in_uhz = 0; + unsigned int total = stream->timing.h_total * stream->timing.v_total; - /* Calculate nominal field rate for stream */ + /* Calculate nominal field rate for stream, rounded up to nearest integer */ nominal_field_rate_in_uhz = stream->timing.pix_clk_100hz / 10; nominal_field_rate_in_uhz *= 1000ULL * 1000ULL * 1000ULL; - nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz, - stream->timing.h_total); - nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz, - stream->timing.v_total); + + nominal_field_rate_in_uhz = div_u64(nominal_field_rate_in_uhz, total); return nominal_field_rate_in_uhz; } diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/Makefile b/drivers/gpu/drm/amd/display/modules/hdcp/Makefile new file mode 100644 index 000000000000..1c3c6d47973a --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/Makefile @@ -0,0 +1,32 @@ +# +# Copyright 2019 Advanced Micro Devices, Inc. +# +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the "Software"), +# to deal in the Software without restriction, including without limitation +# the rights to use, copy, modify, merge, publish, distribute, sublicense, +# and/or sell copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. +# +# +# Makefile for the 'hdcp' sub-module of DAL. +# + +HDCP = hdcp_ddc.o hdcp_log.o hdcp_psp.o hdcp.o \ + hdcp1_execution.o hdcp1_transition.o + +AMD_DAL_HDCP = $(addprefix $(AMDDALPATH)/modules/hdcp/,$(HDCP)) +#$(info ************ DAL-HDCP_MAKEFILE ************) + +AMD_DISPLAY_FILES += $(AMD_DAL_HDCP) diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c new file mode 100644 index 000000000000..d7ac445dec6f --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c @@ -0,0 +1,426 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "hdcp.h" + +static void push_error_status(struct mod_hdcp *hdcp, + enum mod_hdcp_status status) +{ + struct mod_hdcp_trace *trace = &hdcp->connection.trace; + + if (trace->error_count < MAX_NUM_OF_ERROR_TRACE) { + trace->errors[trace->error_count].status = status; + trace->errors[trace->error_count].state_id = hdcp->state.id; + trace->error_count++; + HDCP_ERROR_TRACE(hdcp, status); + } + + hdcp->connection.hdcp1_retry_count++; +} + +static uint8_t is_cp_desired_hdcp1(struct mod_hdcp *hdcp) +{ + int i, display_enabled = 0; + + /* if all displays on the link are disabled, hdcp is not desired */ + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { + if (hdcp->connection.displays[i].state != MOD_HDCP_DISPLAY_INACTIVE && + !hdcp->connection.displays[i].adjust.disable) { + display_enabled = 1; + break; + } + } + + return (hdcp->connection.hdcp1_retry_count < MAX_NUM_OF_ATTEMPTS) && + display_enabled && !hdcp->connection.link.adjust.hdcp1.disable; +} + +static enum mod_hdcp_status execution(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + union mod_hdcp_transition_input *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (is_in_initialized_state(hdcp)) { + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + /* initialize transition input */ + memset(input, 0, sizeof(union mod_hdcp_transition_input)); + } else if (is_in_cp_not_desired_state(hdcp)) { + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + /* update topology event if hdcp is not desired */ + status = mod_hdcp_add_display_topology(hdcp); + } else if (is_in_hdcp1_states(hdcp)) { + status = mod_hdcp_hdcp1_execution(hdcp, event_ctx, &input->hdcp1); + } else if (is_in_hdcp1_dp_states(hdcp)) { + status = mod_hdcp_hdcp1_dp_execution(hdcp, + event_ctx, &input->hdcp1); + } +out: + return status; +} + +static enum mod_hdcp_status transition(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + union mod_hdcp_transition_input *input, + struct mod_hdcp_output *output) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->unexpected_event) + goto out; + + if (is_in_initialized_state(hdcp)) { + if (is_dp_hdcp(hdcp)) + if (is_cp_desired_hdcp1(hdcp)) { + callback_in_ms(0, output); + set_state_id(hdcp, output, D1_A0_DETERMINE_RX_HDCP_CAPABLE); + } else { + callback_in_ms(0, output); + set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED); + } + else if (is_hdmi_dvi_sl_hdcp(hdcp)) + if (is_cp_desired_hdcp1(hdcp)) { + callback_in_ms(0, output); + set_state_id(hdcp, output, H1_A0_WAIT_FOR_ACTIVE_RX); + } else { + callback_in_ms(0, output); + set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED); + } + else { + callback_in_ms(0, output); + set_state_id(hdcp, output, HDCP_CP_NOT_DESIRED); + } + } else if (is_in_cp_not_desired_state(hdcp)) { + increment_stay_counter(hdcp); + } else if (is_in_hdcp1_states(hdcp)) { + status = mod_hdcp_hdcp1_transition(hdcp, + event_ctx, &input->hdcp1, output); + } else if (is_in_hdcp1_dp_states(hdcp)) { + status = mod_hdcp_hdcp1_dp_transition(hdcp, + event_ctx, &input->hdcp1, output); + } else { + status = MOD_HDCP_STATUS_INVALID_STATE; + } +out: + return status; +} + +static enum mod_hdcp_status reset_authentication(struct mod_hdcp *hdcp, + struct mod_hdcp_output *output) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (is_hdcp1(hdcp)) { + if (hdcp->auth.trans_input.hdcp1.create_session != UNKNOWN) + mod_hdcp_hdcp1_destroy_session(hdcp); + + if (hdcp->auth.trans_input.hdcp1.add_topology == PASS) { + status = mod_hdcp_remove_display_topology(hdcp); + if (status != MOD_HDCP_STATUS_SUCCESS) { + output->callback_needed = 0; + output->watchdog_timer_needed = 0; + goto out; + } + } + HDCP_TOP_RESET_AUTH_TRACE(hdcp); + memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication)); + memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state)); + set_state_id(hdcp, output, HDCP_INITIALIZED); + } else if (is_in_cp_not_desired_state(hdcp)) { + status = mod_hdcp_remove_display_topology(hdcp); + if (status != MOD_HDCP_STATUS_SUCCESS) { + output->callback_needed = 0; + output->watchdog_timer_needed = 0; + goto out; + } + HDCP_TOP_RESET_AUTH_TRACE(hdcp); + memset(&hdcp->auth, 0, sizeof(struct mod_hdcp_authentication)); + memset(&hdcp->state, 0, sizeof(struct mod_hdcp_state)); + set_state_id(hdcp, output, HDCP_INITIALIZED); + } + +out: + /* stop callback and watchdog requests from previous authentication*/ + output->watchdog_timer_stop = 1; + output->callback_stop = 1; + return status; +} + +static enum mod_hdcp_status reset_connection(struct mod_hdcp *hdcp, + struct mod_hdcp_output *output) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + memset(output, 0, sizeof(struct mod_hdcp_output)); + + status = reset_authentication(hdcp, output); + if (status != MOD_HDCP_STATUS_SUCCESS) + goto out; + + if (current_state(hdcp) != HDCP_UNINITIALIZED) { + HDCP_TOP_RESET_CONN_TRACE(hdcp); + set_state_id(hdcp, output, HDCP_UNINITIALIZED); + } + memset(&hdcp->connection, 0, sizeof(hdcp->connection)); +out: + return status; +} + +/* + * Implementation of functions in mod_hdcp.h + */ +size_t mod_hdcp_get_memory_size(void) +{ + return sizeof(struct mod_hdcp); +} + +enum mod_hdcp_status mod_hdcp_setup(struct mod_hdcp *hdcp, + struct mod_hdcp_config *config) +{ + struct mod_hdcp_output output; + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + memset(hdcp, 0, sizeof(struct mod_hdcp)); + memset(&output, 0, sizeof(output)); + hdcp->config = *config; + HDCP_TOP_INTERFACE_TRACE(hdcp); + status = reset_connection(hdcp, &output); + if (status != MOD_HDCP_STATUS_SUCCESS) + push_error_status(hdcp, status); + return status; +} + +enum mod_hdcp_status mod_hdcp_teardown(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + struct mod_hdcp_output output; + + HDCP_TOP_INTERFACE_TRACE(hdcp); + memset(&output, 0, sizeof(output)); + status = reset_connection(hdcp, &output); + if (status == MOD_HDCP_STATUS_SUCCESS) + memset(hdcp, 0, sizeof(struct mod_hdcp)); + else + push_error_status(hdcp, status); + return status; +} + +enum mod_hdcp_status mod_hdcp_add_display(struct mod_hdcp *hdcp, + struct mod_hdcp_link *link, struct mod_hdcp_display *display, + struct mod_hdcp_output *output) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + struct mod_hdcp_display *display_container = NULL; + + HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, display->index); + memset(output, 0, sizeof(struct mod_hdcp_output)); + + /* skip inactive display */ + if (display->state != MOD_HDCP_DISPLAY_ACTIVE) { + status = MOD_HDCP_STATUS_SUCCESS; + goto out; + } + + /* check existing display container */ + if (get_active_display_at_index(hdcp, display->index)) { + status = MOD_HDCP_STATUS_SUCCESS; + goto out; + } + + /* find an empty display container */ + display_container = get_empty_display_container(hdcp); + if (!display_container) { + status = MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND; + goto out; + } + + /* reset existing authentication status */ + status = reset_authentication(hdcp, output); + if (status != MOD_HDCP_STATUS_SUCCESS) + goto out; + + /* add display to connection */ + hdcp->connection.link = *link; + *display_container = *display; + + /* reset retry counters */ + reset_retry_counts(hdcp); + + /* reset error trace */ + memset(&hdcp->connection.trace, 0, sizeof(hdcp->connection.trace)); + + /* request authentication */ + if (current_state(hdcp) != HDCP_INITIALIZED) + set_state_id(hdcp, output, HDCP_INITIALIZED); + callback_in_ms(hdcp->connection.link.adjust.auth_delay * 1000, output); +out: + if (status != MOD_HDCP_STATUS_SUCCESS) + push_error_status(hdcp, status); + + return status; +} + +enum mod_hdcp_status mod_hdcp_remove_display(struct mod_hdcp *hdcp, + uint8_t index, struct mod_hdcp_output *output) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + struct mod_hdcp_display *display = NULL; + + HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, index); + memset(output, 0, sizeof(struct mod_hdcp_output)); + + /* find display in connection */ + display = get_active_display_at_index(hdcp, index); + if (!display) { + status = MOD_HDCP_STATUS_SUCCESS; + goto out; + } + + /* stop current authentication */ + status = reset_authentication(hdcp, output); + if (status != MOD_HDCP_STATUS_SUCCESS) + goto out; + + /* remove display */ + display->state = MOD_HDCP_DISPLAY_INACTIVE; + + /* clear retry counters */ + reset_retry_counts(hdcp); + + /* reset error trace */ + memset(&hdcp->connection.trace, 0, sizeof(hdcp->connection.trace)); + + /* request authentication for remaining displays*/ + if (get_active_display_count(hdcp) > 0) + callback_in_ms(hdcp->connection.link.adjust.auth_delay * 1000, + output); +out: + if (status != MOD_HDCP_STATUS_SUCCESS) + push_error_status(hdcp, status); + return status; +} + +enum mod_hdcp_status mod_hdcp_query_display(struct mod_hdcp *hdcp, + uint8_t index, struct mod_hdcp_display_query *query) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + struct mod_hdcp_display *display = NULL; + + /* find display in connection */ + display = get_active_display_at_index(hdcp, index); + if (!display) { + status = MOD_HDCP_STATUS_DISPLAY_NOT_FOUND; + goto out; + } + + /* populate query */ + query->link = &hdcp->connection.link; + query->display = display; + query->trace = &hdcp->connection.trace; + query->encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF; + + mod_hdcp_hdcp1_get_link_encryption_status(hdcp, &query->encryption_status); + +out: + return status; +} + +enum mod_hdcp_status mod_hdcp_reset_connection(struct mod_hdcp *hdcp, + struct mod_hdcp_output *output) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + HDCP_TOP_INTERFACE_TRACE(hdcp); + status = reset_connection(hdcp, output); + if (status != MOD_HDCP_STATUS_SUCCESS) + push_error_status(hdcp, status); + + return status; +} + +enum mod_hdcp_status mod_hdcp_process_event(struct mod_hdcp *hdcp, + enum mod_hdcp_event event, struct mod_hdcp_output *output) +{ + enum mod_hdcp_status exec_status, trans_status, reset_status, status; + struct mod_hdcp_event_context event_ctx; + + HDCP_EVENT_TRACE(hdcp, event); + memset(output, 0, sizeof(struct mod_hdcp_output)); + memset(&event_ctx, 0, sizeof(struct mod_hdcp_event_context)); + event_ctx.event = event; + + /* execute and transition */ + exec_status = execution(hdcp, &event_ctx, &hdcp->auth.trans_input); + trans_status = transition( + hdcp, &event_ctx, &hdcp->auth.trans_input, output); + if (trans_status == MOD_HDCP_STATUS_SUCCESS) { + status = MOD_HDCP_STATUS_SUCCESS; + } else if (exec_status == MOD_HDCP_STATUS_SUCCESS) { + status = MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE; + push_error_status(hdcp, status); + } else { + status = exec_status; + push_error_status(hdcp, status); + } + + /* reset authentication if needed */ + if (trans_status == MOD_HDCP_STATUS_RESET_NEEDED) { + HDCP_FULL_DDC_TRACE(hdcp); + reset_status = reset_authentication(hdcp, output); + if (reset_status != MOD_HDCP_STATUS_SUCCESS) + push_error_status(hdcp, reset_status); + } + return status; +} + +enum mod_hdcp_operation_mode mod_hdcp_signal_type_to_operation_mode( + enum signal_type signal) +{ + enum mod_hdcp_operation_mode mode = MOD_HDCP_MODE_OFF; + + switch (signal) { + case SIGNAL_TYPE_DVI_SINGLE_LINK: + case SIGNAL_TYPE_HDMI_TYPE_A: + mode = MOD_HDCP_MODE_DEFAULT; + break; + case SIGNAL_TYPE_EDP: + case SIGNAL_TYPE_DISPLAY_PORT: + mode = MOD_HDCP_MODE_DP; + break; + case SIGNAL_TYPE_DISPLAY_PORT_MST: + mode = MOD_HDCP_MODE_DP_MST; + break; + default: + break; + }; + + return mode; +} diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h new file mode 100644 index 000000000000..5664bc0b5bd0 --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h @@ -0,0 +1,442 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef HDCP_H_ +#define HDCP_H_ + +#include "mod_hdcp.h" +#include "hdcp_log.h" + +#define BCAPS_READY_MASK 0x20 +#define BCAPS_REPEATER_MASK 0x40 +#define BSTATUS_DEVICE_COUNT_MASK 0X007F +#define BSTATUS_MAX_DEVS_EXCEEDED_MASK 0x0080 +#define BSTATUS_MAX_CASCADE_EXCEEDED_MASK 0x0800 +#define BCAPS_HDCP_CAPABLE_MASK_DP 0x01 +#define BCAPS_REPEATER_MASK_DP 0x02 +#define BSTATUS_READY_MASK_DP 0x01 +#define BSTATUS_R0_P_AVAILABLE_MASK_DP 0x02 +#define BSTATUS_LINK_INTEGRITY_FAILURE_MASK_DP 0x04 +#define BSTATUS_REAUTH_REQUEST_MASK_DP 0x08 +#define BINFO_DEVICE_COUNT_MASK_DP 0X007F +#define BINFO_MAX_DEVS_EXCEEDED_MASK_DP 0x0080 +#define BINFO_MAX_CASCADE_EXCEEDED_MASK_DP 0x0800 + +#define RXSTATUS_MSG_SIZE_MASK 0x03FF +#define RXSTATUS_READY_MASK 0x0400 +#define RXSTATUS_REAUTH_REQUEST_MASK 0x0800 +#define RXIDLIST_DEVICE_COUNT_LOWER_MASK 0xf0 +#define RXIDLIST_DEVICE_COUNT_UPPER_MASK 0x01 +#define RXCAPS_BYTE0_HDCP_CAPABLE_MASK_DP 0x02 +#define RXSTATUS_READY_MASK_DP 0x0001 +#define RXSTATUS_H_P_AVAILABLE_MASK_DP 0x0002 +#define RXSTATUS_PAIRING_AVAILABLE_MASK_DP 0x0004 +#define RXSTATUS_REAUTH_REQUEST_MASK_DP 0x0008 +#define RXSTATUS_LINK_INTEGRITY_FAILURE_MASK_DP 0x0010 + +enum mod_hdcp_trans_input_result { + UNKNOWN = 0, + PASS, + FAIL +}; + +struct mod_hdcp_transition_input_hdcp1 { + uint8_t bksv_read; + uint8_t bksv_validation; + uint8_t add_topology; + uint8_t create_session; + uint8_t an_write; + uint8_t aksv_write; + uint8_t ainfo_write; + uint8_t bcaps_read; + uint8_t r0p_read; + uint8_t rx_validation; + uint8_t encryption; + uint8_t link_maintenance; + uint8_t ready_check; + uint8_t bstatus_read; + uint8_t max_cascade_check; + uint8_t max_devs_check; + uint8_t device_count_check; + uint8_t ksvlist_read; + uint8_t vp_read; + uint8_t ksvlist_vp_validation; + + uint8_t hdcp_capable_dp; + uint8_t binfo_read_dp; + uint8_t r0p_available_dp; + uint8_t link_integiry_check; + uint8_t reauth_request_check; + uint8_t stream_encryption_dp; +}; + +union mod_hdcp_transition_input { + struct mod_hdcp_transition_input_hdcp1 hdcp1; +}; + +struct mod_hdcp_message_hdcp1 { + uint8_t an[8]; + uint8_t aksv[5]; + uint8_t ainfo; + uint8_t bksv[5]; + uint16_t r0p; + uint8_t bcaps; + uint16_t bstatus; + uint8_t ksvlist[635]; + uint16_t ksvlist_size; + uint8_t vp[20]; + + uint16_t binfo_dp; +}; + +union mod_hdcp_message { + struct mod_hdcp_message_hdcp1 hdcp1; +}; + +struct mod_hdcp_auth_counters { + uint8_t stream_management_retry_count; +}; + +/* contains values per connection */ +struct mod_hdcp_connection { + struct mod_hdcp_link link; + struct mod_hdcp_display displays[MAX_NUM_OF_DISPLAYS]; + uint8_t is_repeater; + uint8_t is_km_stored; + struct mod_hdcp_trace trace; + uint8_t hdcp1_retry_count; +}; + +/* contains values per authentication cycle */ +struct mod_hdcp_authentication { + uint32_t id; + union mod_hdcp_message msg; + union mod_hdcp_transition_input trans_input; + struct mod_hdcp_auth_counters count; +}; + +/* contains values per state change */ +struct mod_hdcp_state { + uint8_t id; + uint32_t stay_count; +}; + +/* per event in a state */ +struct mod_hdcp_event_context { + enum mod_hdcp_event event; + uint8_t rx_id_list_ready; + uint8_t unexpected_event; +}; + +struct mod_hdcp { + /* per link */ + struct mod_hdcp_config config; + /* per connection */ + struct mod_hdcp_connection connection; + /* per authentication attempt */ + struct mod_hdcp_authentication auth; + /* per state in an authentication */ + struct mod_hdcp_state state; + /* reserved memory buffer */ + uint8_t buf[2025]; +}; + +enum mod_hdcp_initial_state_id { + HDCP_UNINITIALIZED = 0x0, + HDCP_INITIAL_STATE_START = HDCP_UNINITIALIZED, + HDCP_INITIALIZED, + HDCP_CP_NOT_DESIRED, + HDCP_INITIAL_STATE_END = HDCP_CP_NOT_DESIRED +}; + +enum mod_hdcp_hdcp1_state_id { + HDCP1_STATE_START = HDCP_INITIAL_STATE_END, + H1_A0_WAIT_FOR_ACTIVE_RX, + H1_A1_EXCHANGE_KSVS, + H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER, + H1_A45_AUTHENTICATED, + H1_A8_WAIT_FOR_READY, + H1_A9_READ_KSV_LIST, + HDCP1_STATE_END = H1_A9_READ_KSV_LIST +}; + +enum mod_hdcp_hdcp1_dp_state_id { + HDCP1_DP_STATE_START = HDCP1_STATE_END, + D1_A0_DETERMINE_RX_HDCP_CAPABLE, + D1_A1_EXCHANGE_KSVS, + D1_A23_WAIT_FOR_R0_PRIME, + D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER, + D1_A4_AUTHENTICATED, + D1_A6_WAIT_FOR_READY, + D1_A7_READ_KSV_LIST, + HDCP1_DP_STATE_END = D1_A7_READ_KSV_LIST, +}; + +/* hdcp1 executions and transitions */ +typedef enum mod_hdcp_status (*mod_hdcp_action)(struct mod_hdcp *hdcp); +uint8_t mod_hdcp_execute_and_set( + mod_hdcp_action func, uint8_t *flag, + enum mod_hdcp_status *status, struct mod_hdcp *hdcp, char *str); +enum mod_hdcp_status mod_hdcp_hdcp1_execution(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input); +enum mod_hdcp_status mod_hdcp_hdcp1_dp_execution(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input); +enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input, + struct mod_hdcp_output *output); +enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input, + struct mod_hdcp_output *output); + +/* log functions */ +void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size, + uint8_t *buf, uint32_t buf_size); +/* TODO: add adjustment log */ + +/* psp functions */ +enum mod_hdcp_status mod_hdcp_add_display_topology( + struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_remove_display_topology( + struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption( + struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_hdcp1_get_link_encryption_status(struct mod_hdcp *hdcp, + enum mod_hdcp_encryption_status *encryption_status); +/* ddc functions */ +enum mod_hdcp_status mod_hdcp_read_bksv(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_bcaps(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_bstatus(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_r0p(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_ksvlist(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_vp(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_binfo(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_aksv(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_ainfo(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_an(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_rxcaps(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_rxstatus(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_ake_cert(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_h_prime(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_pairing_info(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_l_prime(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_rx_id_list(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_read_stream_ready(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_ake_init(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_no_stored_km(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_stored_km(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_lc_init(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_eks(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_repeater_auth_ack(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_stream_manage(struct mod_hdcp *hdcp); +enum mod_hdcp_status mod_hdcp_write_content_type(struct mod_hdcp *hdcp); + +/* hdcp version helpers */ +static inline uint8_t is_dp_hdcp(struct mod_hdcp *hdcp) +{ + return (hdcp->connection.link.mode == MOD_HDCP_MODE_DP || + hdcp->connection.link.mode == MOD_HDCP_MODE_DP_MST); +} + +static inline uint8_t is_dp_mst_hdcp(struct mod_hdcp *hdcp) +{ + return (hdcp->connection.link.mode == MOD_HDCP_MODE_DP_MST); +} + +static inline uint8_t is_hdmi_dvi_sl_hdcp(struct mod_hdcp *hdcp) +{ + return (hdcp->connection.link.mode == MOD_HDCP_MODE_DEFAULT); +} + +/* hdcp state helpers */ +static inline uint8_t current_state(struct mod_hdcp *hdcp) +{ + return hdcp->state.id; +} + +static inline void set_state_id(struct mod_hdcp *hdcp, + struct mod_hdcp_output *output, uint8_t id) +{ + memset(&hdcp->state, 0, sizeof(hdcp->state)); + hdcp->state.id = id; + /* callback timer should be reset per state */ + output->callback_stop = 1; + output->watchdog_timer_stop = 1; + HDCP_NEXT_STATE_TRACE(hdcp, id, output); +} + +static inline uint8_t is_in_hdcp1_states(struct mod_hdcp *hdcp) +{ + return (current_state(hdcp) > HDCP1_STATE_START && + current_state(hdcp) <= HDCP1_STATE_END); +} + +static inline uint8_t is_in_hdcp1_dp_states(struct mod_hdcp *hdcp) +{ + return (current_state(hdcp) > HDCP1_DP_STATE_START && + current_state(hdcp) <= HDCP1_DP_STATE_END); +} + +static inline uint8_t is_hdcp1(struct mod_hdcp *hdcp) +{ + return (is_in_hdcp1_states(hdcp) || is_in_hdcp1_dp_states(hdcp)); +} + +static inline uint8_t is_in_cp_not_desired_state(struct mod_hdcp *hdcp) +{ + return current_state(hdcp) == HDCP_CP_NOT_DESIRED; +} + +static inline uint8_t is_in_initialized_state(struct mod_hdcp *hdcp) +{ + return current_state(hdcp) == HDCP_INITIALIZED; +} + +/* transition operation helpers */ +static inline void increment_stay_counter(struct mod_hdcp *hdcp) +{ + hdcp->state.stay_count++; +} + +static inline void fail_and_restart_in_ms(uint16_t time, + enum mod_hdcp_status *status, + struct mod_hdcp_output *output) +{ + output->callback_needed = 1; + output->callback_delay = time; + output->watchdog_timer_needed = 0; + output->watchdog_timer_delay = 0; + *status = MOD_HDCP_STATUS_RESET_NEEDED; +} + +static inline void callback_in_ms(uint16_t time, struct mod_hdcp_output *output) +{ + output->callback_needed = 1; + output->callback_delay = time; +} + +static inline void set_watchdog_in_ms(struct mod_hdcp *hdcp, uint16_t time, + struct mod_hdcp_output *output) +{ + output->watchdog_timer_needed = 1; + output->watchdog_timer_delay = time; +} + +/* connection topology helpers */ +static inline uint8_t is_display_active(struct mod_hdcp_display *display) +{ + return display->state >= MOD_HDCP_DISPLAY_ACTIVE; +} + +static inline uint8_t is_display_added(struct mod_hdcp_display *display) +{ + return display->state >= MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED; +} + +static inline uint8_t is_display_encryption_enabled(struct mod_hdcp_display *display) +{ + return display->state >= MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED; +} + +static inline uint8_t get_active_display_count(struct mod_hdcp *hdcp) +{ + uint8_t added_count = 0; + uint8_t i; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) + if (is_display_active(&hdcp->connection.displays[i])) + added_count++; + return added_count; +} + +static inline uint8_t get_added_display_count(struct mod_hdcp *hdcp) +{ + uint8_t added_count = 0; + uint8_t i; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) + if (is_display_added(&hdcp->connection.displays[i])) + added_count++; + return added_count; +} + +static inline struct mod_hdcp_display *get_first_added_display( + struct mod_hdcp *hdcp) +{ + uint8_t i; + struct mod_hdcp_display *display = NULL; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) + if (is_display_added(&hdcp->connection.displays[i])) { + display = &hdcp->connection.displays[i]; + break; + } + return display; +} + +static inline struct mod_hdcp_display *get_active_display_at_index( + struct mod_hdcp *hdcp, uint8_t index) +{ + uint8_t i; + struct mod_hdcp_display *display = NULL; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) + if (hdcp->connection.displays[i].index == index && + is_display_active(&hdcp->connection.displays[i])) { + display = &hdcp->connection.displays[i]; + break; + } + return display; +} + +static inline struct mod_hdcp_display *get_empty_display_container( + struct mod_hdcp *hdcp) +{ + uint8_t i; + struct mod_hdcp_display *display = NULL; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) + if (!is_display_active(&hdcp->connection.displays[i])) { + display = &hdcp->connection.displays[i]; + break; + } + return display; +} + +static inline void reset_retry_counts(struct mod_hdcp *hdcp) +{ + hdcp->connection.hdcp1_retry_count = 0; +} + +#endif /* HDCP_H_ */ diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c new file mode 100644 index 000000000000..3db4a7da414f --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c @@ -0,0 +1,531 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "hdcp.h" + +static inline enum mod_hdcp_status validate_bksv(struct mod_hdcp *hdcp) +{ + uint64_t n = *(uint64_t *)hdcp->auth.msg.hdcp1.bksv; + uint8_t count = 0; + + while (n) { + count++; + n &= (n - 1); + } + return (count == 20) ? MOD_HDCP_STATUS_SUCCESS : + MOD_HDCP_STATUS_HDCP1_INVALID_BKSV; +} + +static inline enum mod_hdcp_status check_ksv_ready(struct mod_hdcp *hdcp) +{ + if (is_dp_hdcp(hdcp)) + return (hdcp->auth.msg.hdcp1.bstatus & BSTATUS_READY_MASK_DP) ? + MOD_HDCP_STATUS_SUCCESS : + MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY; + return (hdcp->auth.msg.hdcp1.bcaps & BCAPS_READY_MASK) ? + MOD_HDCP_STATUS_SUCCESS : + MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY; +} + +static inline enum mod_hdcp_status check_hdcp_capable_dp(struct mod_hdcp *hdcp) +{ + return (hdcp->auth.msg.hdcp1.bcaps & BCAPS_HDCP_CAPABLE_MASK_DP) ? + MOD_HDCP_STATUS_SUCCESS : + MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE; +} + +static inline enum mod_hdcp_status check_r0p_available_dp(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + if (is_dp_hdcp(hdcp)) { + status = (hdcp->auth.msg.hdcp1.bstatus & + BSTATUS_R0_P_AVAILABLE_MASK_DP) ? + MOD_HDCP_STATUS_SUCCESS : + MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING; + } else { + status = MOD_HDCP_STATUS_INVALID_OPERATION; + } + return status; +} + +static inline enum mod_hdcp_status check_link_integrity_dp( + struct mod_hdcp *hdcp) +{ + return (hdcp->auth.msg.hdcp1.bstatus & + BSTATUS_LINK_INTEGRITY_FAILURE_MASK_DP) ? + MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE : + MOD_HDCP_STATUS_SUCCESS; +} + +static inline enum mod_hdcp_status check_no_reauthentication_request_dp( + struct mod_hdcp *hdcp) +{ + return (hdcp->auth.msg.hdcp1.bstatus & BSTATUS_REAUTH_REQUEST_MASK_DP) ? + MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED : + MOD_HDCP_STATUS_SUCCESS; +} + +static inline enum mod_hdcp_status check_no_max_cascade(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = (hdcp->auth.msg.hdcp1.binfo_dp & + BINFO_MAX_CASCADE_EXCEEDED_MASK_DP) ? + MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE : + MOD_HDCP_STATUS_SUCCESS; + else + status = (hdcp->auth.msg.hdcp1.bstatus & + BSTATUS_MAX_CASCADE_EXCEEDED_MASK) ? + MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE : + MOD_HDCP_STATUS_SUCCESS; + return status; +} + +static inline enum mod_hdcp_status check_no_max_devs(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = (hdcp->auth.msg.hdcp1.binfo_dp & + BINFO_MAX_DEVS_EXCEEDED_MASK_DP) ? + MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE : + MOD_HDCP_STATUS_SUCCESS; + else + status = (hdcp->auth.msg.hdcp1.bstatus & + BSTATUS_MAX_DEVS_EXCEEDED_MASK) ? + MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE : + MOD_HDCP_STATUS_SUCCESS; + return status; +} + +static inline uint8_t get_device_count(struct mod_hdcp *hdcp) +{ + return is_dp_hdcp(hdcp) ? + (hdcp->auth.msg.hdcp1.binfo_dp & BINFO_DEVICE_COUNT_MASK_DP) : + (hdcp->auth.msg.hdcp1.bstatus & BSTATUS_DEVICE_COUNT_MASK); +} + +static inline enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp) +{ + /* device count must be greater than or equal to tracked hdcp displays */ + return (get_device_count(hdcp) < get_added_display_count(hdcp)) ? + MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE : + MOD_HDCP_STATUS_SUCCESS; +} + +static enum mod_hdcp_status wait_for_active_rx(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bksv, + &input->bksv_read, &status, + hdcp, "bksv_read")) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bcaps, + &input->bcaps_read, &status, + hdcp, "bcaps_read")) + goto out; +out: + return status; +} + +static enum mod_hdcp_status exchange_ksvs(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (!mod_hdcp_execute_and_set(mod_hdcp_add_display_topology, + &input->add_topology, &status, + hdcp, "add_topology")) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_create_session, + &input->create_session, &status, + hdcp, "create_session")) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_write_an, + &input->an_write, &status, + hdcp, "an_write")) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_write_aksv, + &input->aksv_write, &status, + hdcp, "aksv_write")) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bksv, + &input->bksv_read, &status, + hdcp, "bksv_read")) + goto out; + if (!mod_hdcp_execute_and_set(validate_bksv, + &input->bksv_validation, &status, + hdcp, "bksv_validation")) + goto out; + if (hdcp->auth.msg.hdcp1.ainfo) { + if (!mod_hdcp_execute_and_set(mod_hdcp_write_ainfo, + &input->ainfo_write, &status, + hdcp, "ainfo_write")) + goto out; + } +out: + return status; +} + +static enum mod_hdcp_status computations_validate_rx_test_for_repeater( + struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (!mod_hdcp_execute_and_set(mod_hdcp_read_r0p, + &input->r0p_read, &status, + hdcp, "r0p_read")) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_validate_rx, + &input->rx_validation, &status, + hdcp, "rx_validation")) + goto out; + if (hdcp->connection.is_repeater) { + if (!hdcp->connection.link.adjust.hdcp1.postpone_encryption) + if (!mod_hdcp_execute_and_set( + mod_hdcp_hdcp1_enable_encryption, + &input->encryption, &status, + hdcp, "encryption")) + goto out; + } else { + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_enable_encryption, + &input->encryption, &status, + hdcp, "encryption")) + goto out; + if (is_dp_mst_hdcp(hdcp)) + if (!mod_hdcp_execute_and_set( + mod_hdcp_hdcp1_enable_dp_stream_encryption, + &input->stream_encryption_dp, &status, + hdcp, "stream_encryption_dp")) + goto out; + } +out: + return status; +} + +static enum mod_hdcp_status authenticated(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_link_maintenance, + &input->link_maintenance, &status, + hdcp, "link_maintenance")) + goto out; +out: + return status; +} + +static enum mod_hdcp_status wait_for_ready(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK && + event_ctx->event != MOD_HDCP_EVENT_CPIRQ && + event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (is_dp_hdcp(hdcp)) { + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus, + &input->bstatus_read, &status, + hdcp, "bstatus_read")) + goto out; + if (!mod_hdcp_execute_and_set(check_link_integrity_dp, + &input->link_integiry_check, &status, + hdcp, "link_integiry_check")) + goto out; + if (!mod_hdcp_execute_and_set(check_no_reauthentication_request_dp, + &input->reauth_request_check, &status, + hdcp, "reauth_request_check")) + goto out; + } else { + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bcaps, + &input->bcaps_read, &status, + hdcp, "bcaps_read")) + goto out; + } + if (!mod_hdcp_execute_and_set(check_ksv_ready, + &input->ready_check, &status, + hdcp, "ready_check")) + goto out; +out: + return status; +} + +static enum mod_hdcp_status read_ksv_list(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + uint8_t device_count; + + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (is_dp_hdcp(hdcp)) { + if (!mod_hdcp_execute_and_set(mod_hdcp_read_binfo, + &input->binfo_read_dp, &status, + hdcp, "binfo_read_dp")) + goto out; + } else { + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus, + &input->bstatus_read, &status, + hdcp, "bstatus_read")) + goto out; + } + if (!mod_hdcp_execute_and_set(check_no_max_cascade, + &input->max_cascade_check, &status, + hdcp, "max_cascade_check")) + goto out; + if (!mod_hdcp_execute_and_set(check_no_max_devs, + &input->max_devs_check, &status, + hdcp, "max_devs_check")) + goto out; + if (!mod_hdcp_execute_and_set(check_device_count, + &input->device_count_check, &status, + hdcp, "device_count_check")) + goto out; + device_count = get_device_count(hdcp); + hdcp->auth.msg.hdcp1.ksvlist_size = device_count*5; + if (!mod_hdcp_execute_and_set(mod_hdcp_read_ksvlist, + &input->ksvlist_read, &status, + hdcp, "ksvlist_read")) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_read_vp, + &input->vp_read, &status, + hdcp, "vp_read")) + goto out; + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_validate_ksvlist_vp, + &input->ksvlist_vp_validation, &status, + hdcp, "ksvlist_vp_validation")) + goto out; + if (input->encryption != PASS) + if (!mod_hdcp_execute_and_set(mod_hdcp_hdcp1_enable_encryption, + &input->encryption, &status, + hdcp, "encryption")) + goto out; + if (is_dp_mst_hdcp(hdcp)) + if (!mod_hdcp_execute_and_set( + mod_hdcp_hdcp1_enable_dp_stream_encryption, + &input->stream_encryption_dp, &status, + hdcp, "stream_encryption_dp")) + goto out; +out: + return status; +} + +static enum mod_hdcp_status determine_rx_hdcp_capable_dp(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->event != MOD_HDCP_EVENT_CALLBACK) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bcaps, + &input->bcaps_read, &status, + hdcp, "bcaps_read")) + goto out; + if (!mod_hdcp_execute_and_set(check_hdcp_capable_dp, + &input->hdcp_capable_dp, &status, + hdcp, "hdcp_capable_dp")) + goto out; +out: + return status; +} + +static enum mod_hdcp_status wait_for_r0_prime_dp(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->event != MOD_HDCP_EVENT_CPIRQ && + event_ctx->event != MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus, + &input->bstatus_read, &status, + hdcp, "bstatus_read")) + goto out; + if (!mod_hdcp_execute_and_set(check_r0p_available_dp, + &input->r0p_available_dp, &status, + hdcp, "r0p_available_dp")) + goto out; +out: + return status; +} + +static enum mod_hdcp_status authenticated_dp(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + if (event_ctx->event != MOD_HDCP_EVENT_CPIRQ) { + event_ctx->unexpected_event = 1; + goto out; + } + + if (!mod_hdcp_execute_and_set(mod_hdcp_read_bstatus, + &input->bstatus_read, &status, + hdcp, "bstatus_read")) + goto out; + if (!mod_hdcp_execute_and_set(check_link_integrity_dp, + &input->link_integiry_check, &status, + hdcp, "link_integiry_check")) + goto out; + if (!mod_hdcp_execute_and_set(check_no_reauthentication_request_dp, + &input->reauth_request_check, &status, + hdcp, "reauth_request_check")) + goto out; +out: + return status; +} + +uint8_t mod_hdcp_execute_and_set( + mod_hdcp_action func, uint8_t *flag, + enum mod_hdcp_status *status, struct mod_hdcp *hdcp, char *str) +{ + *status = func(hdcp); + if (*status == MOD_HDCP_STATUS_SUCCESS && *flag != PASS) { + HDCP_INPUT_PASS_TRACE(hdcp, str); + *flag = PASS; + } else if (*status != MOD_HDCP_STATUS_SUCCESS && *flag != FAIL) { + HDCP_INPUT_FAIL_TRACE(hdcp, str); + *flag = FAIL; + } + return (*status == MOD_HDCP_STATUS_SUCCESS); +} + +enum mod_hdcp_status mod_hdcp_hdcp1_execution(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + switch (current_state(hdcp)) { + case H1_A0_WAIT_FOR_ACTIVE_RX: + status = wait_for_active_rx(hdcp, event_ctx, input); + break; + case H1_A1_EXCHANGE_KSVS: + status = exchange_ksvs(hdcp, event_ctx, input); + break; + case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER: + status = computations_validate_rx_test_for_repeater(hdcp, + event_ctx, input); + break; + case H1_A45_AUTHENTICATED: + status = authenticated(hdcp, event_ctx, input); + break; + case H1_A8_WAIT_FOR_READY: + status = wait_for_ready(hdcp, event_ctx, input); + break; + case H1_A9_READ_KSV_LIST: + status = read_ksv_list(hdcp, event_ctx, input); + break; + default: + status = MOD_HDCP_STATUS_INVALID_STATE; + break; + } + + return status; +} + +extern enum mod_hdcp_status mod_hdcp_hdcp1_dp_execution(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + + switch (current_state(hdcp)) { + case D1_A0_DETERMINE_RX_HDCP_CAPABLE: + status = determine_rx_hdcp_capable_dp(hdcp, event_ctx, input); + break; + case D1_A1_EXCHANGE_KSVS: + status = exchange_ksvs(hdcp, event_ctx, input); + break; + case D1_A23_WAIT_FOR_R0_PRIME: + status = wait_for_r0_prime_dp(hdcp, event_ctx, input); + break; + case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER: + status = computations_validate_rx_test_for_repeater( + hdcp, event_ctx, input); + break; + case D1_A4_AUTHENTICATED: + status = authenticated_dp(hdcp, event_ctx, input); + break; + case D1_A6_WAIT_FOR_READY: + status = wait_for_ready(hdcp, event_ctx, input); + break; + case D1_A7_READ_KSV_LIST: + status = read_ksv_list(hdcp, event_ctx, input); + break; + default: + status = MOD_HDCP_STATUS_INVALID_STATE; + break; + } + + return status; +} diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c new file mode 100644 index 000000000000..136b8011ff3f --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_transition.c @@ -0,0 +1,307 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "hdcp.h" + +enum mod_hdcp_status mod_hdcp_hdcp1_transition(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input, + struct mod_hdcp_output *output) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + struct mod_hdcp_connection *conn = &hdcp->connection; + struct mod_hdcp_link_adjustment *adjust = &hdcp->connection.link.adjust; + + switch (current_state(hdcp)) { + case H1_A0_WAIT_FOR_ACTIVE_RX: + if (input->bksv_read != PASS || input->bcaps_read != PASS) { + /* 1A-04: repeatedly attempts on port access failure */ + callback_in_ms(500, output); + increment_stay_counter(hdcp); + break; + } + callback_in_ms(0, output); + set_state_id(hdcp, output, H1_A1_EXCHANGE_KSVS); + break; + case H1_A1_EXCHANGE_KSVS: + if (input->add_topology != PASS || + input->create_session != PASS) { + /* out of sync with psp state */ + adjust->hdcp1.disable = 1; + fail_and_restart_in_ms(0, &status, output); + break; + } else if (input->an_write != PASS || + input->aksv_write != PASS || + input->bksv_read != PASS || + input->bksv_validation != PASS || + input->ainfo_write == FAIL) { + /* 1A-05: consider invalid bksv a failure */ + fail_and_restart_in_ms(0, &status, output); + break; + } + callback_in_ms(300, output); + set_state_id(hdcp, output, + H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER); + break; + case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER: + if (input->bcaps_read != PASS || + input->r0p_read != PASS || + input->rx_validation != PASS || + (!conn->is_repeater && input->encryption != PASS)) { + /* 1A-06: consider invalid r0' a failure */ + /* 1A-08: consider bksv listed in SRM a failure */ + fail_and_restart_in_ms(0, &status, output); + break; + } + if (conn->is_repeater) { + callback_in_ms(0, output); + set_watchdog_in_ms(hdcp, 5000, output); + set_state_id(hdcp, output, H1_A8_WAIT_FOR_READY); + } else { + callback_in_ms(0, output); + set_state_id(hdcp, output, H1_A45_AUTHENTICATED); + HDCP_FULL_DDC_TRACE(hdcp); + } + break; + case H1_A45_AUTHENTICATED: + if (input->link_maintenance != PASS) { + /* 1A-07: consider invalid ri' a failure */ + /* 1A-07a: consider read ri' not returned a failure */ + fail_and_restart_in_ms(0, &status, output); + break; + } + callback_in_ms(500, output); + increment_stay_counter(hdcp); + break; + case H1_A8_WAIT_FOR_READY: + if (input->ready_check != PASS) { + if (event_ctx->event == + MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { + /* 1B-03: fail hdcp on ksv list READY timeout */ + /* prevent black screen in next attempt */ + adjust->hdcp1.postpone_encryption = 1; + fail_and_restart_in_ms(0, &status, output); + } else { + /* continue ksv list READY polling*/ + callback_in_ms(500, output); + increment_stay_counter(hdcp); + } + break; + } + callback_in_ms(0, output); + set_state_id(hdcp, output, H1_A9_READ_KSV_LIST); + break; + case H1_A9_READ_KSV_LIST: + if (input->bstatus_read != PASS || + input->max_cascade_check != PASS || + input->max_devs_check != PASS || + input->device_count_check != PASS || + input->ksvlist_read != PASS || + input->vp_read != PASS || + input->ksvlist_vp_validation != PASS || + input->encryption != PASS) { + /* 1B-06: consider MAX_CASCADE_EXCEEDED a failure */ + /* 1B-05: consider MAX_DEVS_EXCEEDED a failure */ + /* 1B-04: consider invalid v' a failure */ + fail_and_restart_in_ms(0, &status, output); + break; + } + callback_in_ms(0, output); + set_state_id(hdcp, output, H1_A45_AUTHENTICATED); + HDCP_FULL_DDC_TRACE(hdcp); + break; + default: + status = MOD_HDCP_STATUS_INVALID_STATE; + fail_and_restart_in_ms(0, &status, output); + break; + } + + return status; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_dp_transition(struct mod_hdcp *hdcp, + struct mod_hdcp_event_context *event_ctx, + struct mod_hdcp_transition_input_hdcp1 *input, + struct mod_hdcp_output *output) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; + struct mod_hdcp_connection *conn = &hdcp->connection; + struct mod_hdcp_link_adjustment *adjust = &hdcp->connection.link.adjust; + + switch (current_state(hdcp)) { + case D1_A0_DETERMINE_RX_HDCP_CAPABLE: + if (input->bcaps_read != PASS) { + /* 1A-04: no authentication on bcaps read failure */ + fail_and_restart_in_ms(0, &status, output); + break; + } else if (input->hdcp_capable_dp != PASS) { + adjust->hdcp1.disable = 1; + fail_and_restart_in_ms(0, &status, output); + break; + } + callback_in_ms(0, output); + set_state_id(hdcp, output, D1_A1_EXCHANGE_KSVS); + break; + case D1_A1_EXCHANGE_KSVS: + if (input->add_topology != PASS || + input->create_session != PASS) { + /* out of sync with psp state */ + adjust->hdcp1.disable = 1; + fail_and_restart_in_ms(0, &status, output); + break; + } else if (input->an_write != PASS || + input->aksv_write != PASS || + input->bksv_read != PASS || + input->bksv_validation != PASS || + input->ainfo_write == FAIL) { + /* 1A-05: consider invalid bksv a failure */ + fail_and_restart_in_ms(0, &status, output); + break; + } + set_watchdog_in_ms(hdcp, 100, output); + set_state_id(hdcp, output, D1_A23_WAIT_FOR_R0_PRIME); + break; + case D1_A23_WAIT_FOR_R0_PRIME: + if (input->bstatus_read != PASS) { + fail_and_restart_in_ms(0, &status, output); + break; + } else if (input->r0p_available_dp != PASS) { + if (event_ctx->event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) + fail_and_restart_in_ms(0, &status, output); + else + increment_stay_counter(hdcp); + break; + } + callback_in_ms(0, output); + set_state_id(hdcp, output, D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER); + break; + case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER: + if (input->r0p_read != PASS) { + fail_and_restart_in_ms(0, &status, output); + break; + } else if (input->rx_validation != PASS) { + if (hdcp->state.stay_count < 2) { + /* allow 2 additional retries */ + callback_in_ms(0, output); + increment_stay_counter(hdcp); + } else { + /* + * 1A-06: consider invalid r0' a failure + * after 3 attempts. + * 1A-08: consider bksv listed in SRM a failure + */ + fail_and_restart_in_ms(0, &status, output); + } + break; + } else if ((!conn->is_repeater && input->encryption != PASS) || + (!conn->is_repeater && is_dp_mst_hdcp(hdcp) && input->stream_encryption_dp != PASS)) { + fail_and_restart_in_ms(0, &status, output); + break; + } + if (conn->is_repeater) { + set_watchdog_in_ms(hdcp, 5000, output); + set_state_id(hdcp, output, D1_A6_WAIT_FOR_READY); + } else { + set_state_id(hdcp, output, D1_A4_AUTHENTICATED); + HDCP_FULL_DDC_TRACE(hdcp); + } + break; + case D1_A4_AUTHENTICATED: + if (input->link_integiry_check != PASS || + input->reauth_request_check != PASS) { + /* 1A-07: restart hdcp on a link integrity failure */ + fail_and_restart_in_ms(0, &status, output); + break; + } + break; + case D1_A6_WAIT_FOR_READY: + if (input->link_integiry_check == FAIL || + input->reauth_request_check == FAIL) { + fail_and_restart_in_ms(0, &status, output); + break; + } else if (input->ready_check != PASS) { + if (event_ctx->event == + MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) { + /* 1B-04: fail hdcp on ksv list READY timeout */ + /* prevent black screen in next attempt */ + adjust->hdcp1.postpone_encryption = 1; + fail_and_restart_in_ms(0, &status, output); + } else { + increment_stay_counter(hdcp); + } + break; + } + callback_in_ms(0, output); + set_state_id(hdcp, output, D1_A7_READ_KSV_LIST); + break; + case D1_A7_READ_KSV_LIST: + if (input->binfo_read_dp != PASS || + input->max_cascade_check != PASS || + input->max_devs_check != PASS) { + /* 1B-06: consider MAX_DEVS_EXCEEDED a failure */ + /* 1B-07: consider MAX_CASCADE_EXCEEDED a failure */ + fail_and_restart_in_ms(0, &status, output); + break; + } else if (input->device_count_check != PASS) { + /* + * some slow dongle doesn't update + * device count as soon as downstream is connected. + * give it more time to react. + */ + adjust->hdcp1.postpone_encryption = 1; + fail_and_restart_in_ms(1000, &status, output); + break; + } else if (input->ksvlist_read != PASS || + input->vp_read != PASS) { + fail_and_restart_in_ms(0, &status, output); + break; + } else if (input->ksvlist_vp_validation != PASS) { + if (hdcp->state.stay_count < 2) { + /* allow 2 additional retries */ + callback_in_ms(0, output); + increment_stay_counter(hdcp); + } else { + /* + * 1B-05: consider invalid v' a failure + * after 3 attempts. + */ + fail_and_restart_in_ms(0, &status, output); + } + break; + } else if (input->encryption != PASS || + (is_dp_mst_hdcp(hdcp) && input->stream_encryption_dp != PASS)) { + fail_and_restart_in_ms(0, &status, output); + break; + } + set_state_id(hdcp, output, D1_A4_AUTHENTICATED); + HDCP_FULL_DDC_TRACE(hdcp); + break; + default: + fail_and_restart_in_ms(0, &status, output); + break; + } + + return status; +} diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c new file mode 100644 index 000000000000..e7baae059b85 --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_ddc.c @@ -0,0 +1,305 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "hdcp.h" + +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#define HDCP_I2C_ADDR 0x3a /* 0x74 >> 1*/ +#define KSV_READ_SIZE 0xf /* 0x6803b - 0x6802c */ +#define HDCP_MAX_AUX_TRANSACTION_SIZE 16 + +enum mod_hdcp_ddc_message_id { + MOD_HDCP_MESSAGE_ID_INVALID = -1, + + /* HDCP 1.4 */ + + MOD_HDCP_MESSAGE_ID_READ_BKSV = 0, + MOD_HDCP_MESSAGE_ID_READ_RI_R0, + MOD_HDCP_MESSAGE_ID_WRITE_AKSV, + MOD_HDCP_MESSAGE_ID_WRITE_AINFO, + MOD_HDCP_MESSAGE_ID_WRITE_AN, + MOD_HDCP_MESSAGE_ID_READ_VH_X, + MOD_HDCP_MESSAGE_ID_READ_VH_0, + MOD_HDCP_MESSAGE_ID_READ_VH_1, + MOD_HDCP_MESSAGE_ID_READ_VH_2, + MOD_HDCP_MESSAGE_ID_READ_VH_3, + MOD_HDCP_MESSAGE_ID_READ_VH_4, + MOD_HDCP_MESSAGE_ID_READ_BCAPS, + MOD_HDCP_MESSAGE_ID_READ_BSTATUS, + MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO, + MOD_HDCP_MESSAGE_ID_READ_BINFO, + + MOD_HDCP_MESSAGE_ID_MAX +}; + +static const uint8_t hdcp_i2c_offsets[] = { + [MOD_HDCP_MESSAGE_ID_READ_BKSV] = 0x0, + [MOD_HDCP_MESSAGE_ID_READ_RI_R0] = 0x8, + [MOD_HDCP_MESSAGE_ID_WRITE_AKSV] = 0x10, + [MOD_HDCP_MESSAGE_ID_WRITE_AINFO] = 0x15, + [MOD_HDCP_MESSAGE_ID_WRITE_AN] = 0x18, + [MOD_HDCP_MESSAGE_ID_READ_VH_X] = 0x20, + [MOD_HDCP_MESSAGE_ID_READ_VH_0] = 0x20, + [MOD_HDCP_MESSAGE_ID_READ_VH_1] = 0x24, + [MOD_HDCP_MESSAGE_ID_READ_VH_2] = 0x28, + [MOD_HDCP_MESSAGE_ID_READ_VH_3] = 0x2C, + [MOD_HDCP_MESSAGE_ID_READ_VH_4] = 0x30, + [MOD_HDCP_MESSAGE_ID_READ_BCAPS] = 0x40, + [MOD_HDCP_MESSAGE_ID_READ_BSTATUS] = 0x41, + [MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x43, + [MOD_HDCP_MESSAGE_ID_READ_BINFO] = 0xFF, +}; + +static const uint32_t hdcp_dpcd_addrs[] = { + [MOD_HDCP_MESSAGE_ID_READ_BKSV] = 0x68000, + [MOD_HDCP_MESSAGE_ID_READ_RI_R0] = 0x68005, + [MOD_HDCP_MESSAGE_ID_WRITE_AKSV] = 0x68007, + [MOD_HDCP_MESSAGE_ID_WRITE_AINFO] = 0x6803B, + [MOD_HDCP_MESSAGE_ID_WRITE_AN] = 0x6800c, + [MOD_HDCP_MESSAGE_ID_READ_VH_X] = 0x68014, + [MOD_HDCP_MESSAGE_ID_READ_VH_0] = 0x68014, + [MOD_HDCP_MESSAGE_ID_READ_VH_1] = 0x68018, + [MOD_HDCP_MESSAGE_ID_READ_VH_2] = 0x6801c, + [MOD_HDCP_MESSAGE_ID_READ_VH_3] = 0x68020, + [MOD_HDCP_MESSAGE_ID_READ_VH_4] = 0x68024, + [MOD_HDCP_MESSAGE_ID_READ_BCAPS] = 0x68028, + [MOD_HDCP_MESSAGE_ID_READ_BSTATUS] = 0x68029, + [MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO] = 0x6802c, + [MOD_HDCP_MESSAGE_ID_READ_BINFO] = 0x6802a, +}; + +static enum mod_hdcp_status read(struct mod_hdcp *hdcp, + enum mod_hdcp_ddc_message_id msg_id, + uint8_t *buf, + uint32_t buf_len) +{ + bool success = true; + uint32_t cur_size = 0; + uint32_t data_offset = 0; + + if (is_dp_hdcp(hdcp)) { + while (buf_len > 0) { + cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE); + success = hdcp->config.ddc.funcs.read_dpcd(hdcp->config.ddc.handle, + hdcp_dpcd_addrs[msg_id] + data_offset, + buf + data_offset, + cur_size); + + if (!success) + break; + + buf_len -= cur_size; + data_offset += cur_size; + } + } else { + success = hdcp->config.ddc.funcs.read_i2c( + hdcp->config.ddc.handle, + HDCP_I2C_ADDR, + hdcp_i2c_offsets[msg_id], + buf, + (uint32_t)buf_len); + } + + return success ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_DDC_FAILURE; +} + +static enum mod_hdcp_status read_repeatedly(struct mod_hdcp *hdcp, + enum mod_hdcp_ddc_message_id msg_id, + uint8_t *buf, + uint32_t buf_len, + uint8_t read_size) +{ + enum mod_hdcp_status status = MOD_HDCP_STATUS_DDC_FAILURE; + uint32_t cur_size = 0; + uint32_t data_offset = 0; + + while (buf_len > 0) { + cur_size = MIN(buf_len, read_size); + status = read(hdcp, msg_id, buf + data_offset, cur_size); + + if (status != MOD_HDCP_STATUS_SUCCESS) + break; + + buf_len -= cur_size; + data_offset += cur_size; + } + + return status; +} + +static enum mod_hdcp_status write(struct mod_hdcp *hdcp, + enum mod_hdcp_ddc_message_id msg_id, + uint8_t *buf, + uint32_t buf_len) +{ + bool success = true; + uint32_t cur_size = 0; + uint32_t data_offset = 0; + + if (is_dp_hdcp(hdcp)) { + while (buf_len > 0) { + cur_size = MIN(buf_len, HDCP_MAX_AUX_TRANSACTION_SIZE); + success = hdcp->config.ddc.funcs.write_dpcd( + hdcp->config.ddc.handle, + hdcp_dpcd_addrs[msg_id] + data_offset, + buf + data_offset, + cur_size); + + if (!success) + break; + + buf_len -= cur_size; + data_offset += cur_size; + } + } else { + hdcp->buf[0] = hdcp_i2c_offsets[msg_id]; + memmove(&hdcp->buf[1], buf, buf_len); + success = hdcp->config.ddc.funcs.write_i2c( + hdcp->config.ddc.handle, + HDCP_I2C_ADDR, + hdcp->buf, + (uint32_t)(buf_len+1)); + } + + return success ? MOD_HDCP_STATUS_SUCCESS : MOD_HDCP_STATUS_DDC_FAILURE; +} + +enum mod_hdcp_status mod_hdcp_read_bksv(struct mod_hdcp *hdcp) +{ + return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BKSV, + hdcp->auth.msg.hdcp1.bksv, + sizeof(hdcp->auth.msg.hdcp1.bksv)); +} + +enum mod_hdcp_status mod_hdcp_read_bcaps(struct mod_hdcp *hdcp) +{ + return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BCAPS, + &hdcp->auth.msg.hdcp1.bcaps, + sizeof(hdcp->auth.msg.hdcp1.bcaps)); +} + +enum mod_hdcp_status mod_hdcp_read_bstatus(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BSTATUS, + (uint8_t *)&hdcp->auth.msg.hdcp1.bstatus, + 1); + else + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BSTATUS, + (uint8_t *)&hdcp->auth.msg.hdcp1.bstatus, + sizeof(hdcp->auth.msg.hdcp1.bstatus)); + return status; +} + +enum mod_hdcp_status mod_hdcp_read_r0p(struct mod_hdcp *hdcp) +{ + return read(hdcp, MOD_HDCP_MESSAGE_ID_READ_RI_R0, + (uint8_t *)&hdcp->auth.msg.hdcp1.r0p, + sizeof(hdcp->auth.msg.hdcp1.r0p)); +} + +/* special case, reading repeatedly at the same address, don't use read() */ +enum mod_hdcp_status mod_hdcp_read_ksvlist(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = read_repeatedly(hdcp, MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO, + hdcp->auth.msg.hdcp1.ksvlist, + hdcp->auth.msg.hdcp1.ksvlist_size, + KSV_READ_SIZE); + else + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_KSV_FIFO, + (uint8_t *)&hdcp->auth.msg.hdcp1.ksvlist, + hdcp->auth.msg.hdcp1.ksvlist_size); + return status; +} + +enum mod_hdcp_status mod_hdcp_read_vp(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_0, + &hdcp->auth.msg.hdcp1.vp[0], 4); + if (status != MOD_HDCP_STATUS_SUCCESS) + goto out; + + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_1, + &hdcp->auth.msg.hdcp1.vp[4], 4); + if (status != MOD_HDCP_STATUS_SUCCESS) + goto out; + + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_2, + &hdcp->auth.msg.hdcp1.vp[8], 4); + if (status != MOD_HDCP_STATUS_SUCCESS) + goto out; + + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_3, + &hdcp->auth.msg.hdcp1.vp[12], 4); + if (status != MOD_HDCP_STATUS_SUCCESS) + goto out; + + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_VH_4, + &hdcp->auth.msg.hdcp1.vp[16], 4); +out: + return status; +} + +enum mod_hdcp_status mod_hdcp_read_binfo(struct mod_hdcp *hdcp) +{ + enum mod_hdcp_status status; + + if (is_dp_hdcp(hdcp)) + status = read(hdcp, MOD_HDCP_MESSAGE_ID_READ_BINFO, + (uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp, + sizeof(hdcp->auth.msg.hdcp1.binfo_dp)); + else + status = MOD_HDCP_STATUS_INVALID_OPERATION; + + return status; +} + +enum mod_hdcp_status mod_hdcp_write_aksv(struct mod_hdcp *hdcp) +{ + return write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AKSV, + hdcp->auth.msg.hdcp1.aksv, + sizeof(hdcp->auth.msg.hdcp1.aksv)); +} + +enum mod_hdcp_status mod_hdcp_write_ainfo(struct mod_hdcp *hdcp) +{ + return write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AINFO, + &hdcp->auth.msg.hdcp1.ainfo, + sizeof(hdcp->auth.msg.hdcp1.ainfo)); +} + +enum mod_hdcp_status mod_hdcp_write_an(struct mod_hdcp *hdcp) +{ + return write(hdcp, MOD_HDCP_MESSAGE_ID_WRITE_AN, + hdcp->auth.msg.hdcp1.an, + sizeof(hdcp->auth.msg.hdcp1.an)); +} diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c new file mode 100644 index 000000000000..3982ced5f969 --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c @@ -0,0 +1,163 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + + +#include "hdcp.h" + +void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size, + uint8_t *buf, uint32_t buf_size) +{ + const uint8_t bytes_per_line = 16, + byte_size = 3, + newline_size = 1, + terminator_size = 1; + uint32_t line_count = msg_size / bytes_per_line, + trailing_bytes = msg_size % bytes_per_line; + uint32_t target_size = (byte_size * bytes_per_line + newline_size) * line_count + + byte_size * trailing_bytes + newline_size + terminator_size; + uint32_t buf_pos = 0; + uint32_t i = 0; + + if (buf_size >= target_size) { + for (i = 0; i < msg_size; i++) { + if (i % bytes_per_line == 0) + buf[buf_pos++] = '\n'; + sprintf(&buf[buf_pos], "%02X ", msg[i]); + buf_pos += byte_size; + } + buf[buf_pos++] = '\0'; + } +} + +char *mod_hdcp_status_to_str(int32_t status) +{ + switch (status) { + case MOD_HDCP_STATUS_SUCCESS: + return "MOD_HDCP_STATUS_SUCCESS"; + case MOD_HDCP_STATUS_FAILURE: + return "MOD_HDCP_STATUS_FAILURE"; + case MOD_HDCP_STATUS_RESET_NEEDED: + return "MOD_HDCP_STATUS_RESET_NEEDED"; + case MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND: + return "MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND"; + case MOD_HDCP_STATUS_DISPLAY_NOT_FOUND: + return "MOD_HDCP_STATUS_DISPLAY_NOT_FOUND"; + case MOD_HDCP_STATUS_INVALID_STATE: + return "MOD_HDCP_STATUS_INVALID_STATE"; + case MOD_HDCP_STATUS_NOT_IMPLEMENTED: + return "MOD_HDCP_STATUS_NOT_IMPLEMENTED"; + case MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE: + return "MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE"; + case MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE: + return "MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE"; + case MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE: + return "MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE"; + case MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE: + return "MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER: + return "MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER"; + case MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE: + return "MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE"; + case MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING: + return "MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING"; + case MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY: + return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY"; + case MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION: + return "MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION"; + case MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED: + return "MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED"; + case MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE: + return "MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE"; + case MOD_HDCP_STATUS_HDCP1_INVALID_BKSV: + return "MOD_HDCP_STATUS_HDCP1_INVALID_BKSV"; + case MOD_HDCP_STATUS_DDC_FAILURE: + return "MOD_HDCP_STATUS_DDC_FAILURE"; + case MOD_HDCP_STATUS_INVALID_OPERATION: + return "MOD_HDCP_STATUS_INVALID_OPERATION"; + default: + return "MOD_HDCP_STATUS_UNKNOWN"; + } +} + +char *mod_hdcp_state_id_to_str(int32_t id) +{ + switch (id) { + case HDCP_UNINITIALIZED: + return "HDCP_UNINITIALIZED"; + case HDCP_INITIALIZED: + return "HDCP_INITIALIZED"; + case HDCP_CP_NOT_DESIRED: + return "HDCP_CP_NOT_DESIRED"; + case H1_A0_WAIT_FOR_ACTIVE_RX: + return "H1_A0_WAIT_FOR_ACTIVE_RX"; + case H1_A1_EXCHANGE_KSVS: + return "H1_A1_EXCHANGE_KSVS"; + case H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER: + return "H1_A2_COMPUTATIONS_A3_VALIDATE_RX_A6_TEST_FOR_REPEATER"; + case H1_A45_AUTHENTICATED: + return "H1_A45_AUTHENTICATED"; + case H1_A8_WAIT_FOR_READY: + return "H1_A8_WAIT_FOR_READY"; + case H1_A9_READ_KSV_LIST: + return "H1_A9_READ_KSV_LIST"; + case D1_A0_DETERMINE_RX_HDCP_CAPABLE: + return "D1_A0_DETERMINE_RX_HDCP_CAPABLE"; + case D1_A1_EXCHANGE_KSVS: + return "D1_A1_EXCHANGE_KSVS"; + case D1_A23_WAIT_FOR_R0_PRIME: + return "D1_A23_WAIT_FOR_R0_PRIME"; + case D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER: + return "D1_A2_COMPUTATIONS_A3_VALIDATE_RX_A5_TEST_FOR_REPEATER"; + case D1_A4_AUTHENTICATED: + return "D1_A4_AUTHENTICATED"; + case D1_A6_WAIT_FOR_READY: + return "D1_A6_WAIT_FOR_READY"; + case D1_A7_READ_KSV_LIST: + return "D1_A7_READ_KSV_LIST"; + default: + return "UNKNOWN_STATE_ID"; + }; +} + diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h new file mode 100644 index 000000000000..2fd0e0a893ef --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.h @@ -0,0 +1,139 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef MOD_HDCP_LOG_H_ +#define MOD_HDCP_LOG_H_ + +#ifdef CONFIG_DRM_AMD_DC_HDCP +#define HDCP_LOG_ERR(hdcp, ...) DRM_ERROR(__VA_ARGS__) +#define HDCP_LOG_VER(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__) +#define HDCP_LOG_FSM(hdcp, ...) DRM_DEBUG_KMS(__VA_ARGS__) +#define HDCP_LOG_TOP(hdcp, ...) pr_debug("[HDCP_TOP]:"__VA_ARGS__) +#define HDCP_LOG_DDC(hdcp, ...) pr_debug("[HDCP_DDC]:"__VA_ARGS__) +#endif + +/* default logs */ +#define HDCP_ERROR_TRACE(hdcp, status) \ + HDCP_LOG_ERR(hdcp, \ + "[Link %d] ERROR %s IN STATE %s", \ + hdcp->config.index, \ + mod_hdcp_status_to_str(status), \ + mod_hdcp_state_id_to_str(hdcp->state.id)) +#define HDCP_HDCP1_ENABLED_TRACE(hdcp, displayIndex) \ + HDCP_LOG_VER(hdcp, \ + "[Link %d] HDCP 1.4 enabled on display %d", \ + hdcp->config.index, displayIndex) +/* state machine logs */ +#define HDCP_REMOVE_DISPLAY_TRACE(hdcp, displayIndex) \ + HDCP_LOG_FSM(hdcp, \ + "[Link %d] HDCP_REMOVE_DISPLAY index %d", \ + hdcp->config.index, displayIndex) +#define HDCP_INPUT_PASS_TRACE(hdcp, str) \ + HDCP_LOG_FSM(hdcp, \ + "[Link %d]\tPASS %s", \ + hdcp->config.index, str) +#define HDCP_INPUT_FAIL_TRACE(hdcp, str) \ + HDCP_LOG_FSM(hdcp, \ + "[Link %d]\tFAIL %s", \ + hdcp->config.index, str) +#define HDCP_NEXT_STATE_TRACE(hdcp, id, output) do { \ + if (output->watchdog_timer_needed) \ + HDCP_LOG_FSM(hdcp, \ + "[Link %d] > %s with %d ms watchdog", \ + hdcp->config.index, \ + mod_hdcp_state_id_to_str(id), output->watchdog_timer_delay); \ + else \ + HDCP_LOG_FSM(hdcp, \ + "[Link %d] > %s", hdcp->config.index, \ + mod_hdcp_state_id_to_str(id)); \ +} while (0) +#define HDCP_TIMEOUT_TRACE(hdcp) \ + HDCP_LOG_FSM(hdcp, "[Link %d] --> TIMEOUT", hdcp->config.index) +#define HDCP_CPIRQ_TRACE(hdcp) \ + HDCP_LOG_FSM(hdcp, "[Link %d] --> CPIRQ", hdcp->config.index) +#define HDCP_EVENT_TRACE(hdcp, event) \ + if (event == MOD_HDCP_EVENT_WATCHDOG_TIMEOUT) \ + HDCP_TIMEOUT_TRACE(hdcp); \ + else if (event == MOD_HDCP_EVENT_CPIRQ) \ + HDCP_CPIRQ_TRACE(hdcp) +/* TODO: find some way to tell if logging is off to save time */ +#define HDCP_DDC_READ_TRACE(hdcp, msg_name, msg, msg_size) do { \ + mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \ + sizeof(hdcp->buf)); \ + HDCP_LOG_DDC(hdcp, "[Link %d] Read %s%s", hdcp->config.index, \ + msg_name, hdcp->buf); \ +} while (0) +#define HDCP_DDC_WRITE_TRACE(hdcp, msg_name, msg, msg_size) do { \ + mod_hdcp_dump_binary_message(msg, msg_size, hdcp->buf, \ + sizeof(hdcp->buf)); \ + HDCP_LOG_DDC(hdcp, "[Link %d] Write %s%s", \ + hdcp->config.index, msg_name,\ + hdcp->buf); \ +} while (0) +#define HDCP_FULL_DDC_TRACE(hdcp) do { \ + HDCP_DDC_READ_TRACE(hdcp, "BKSV", hdcp->auth.msg.hdcp1.bksv, \ + sizeof(hdcp->auth.msg.hdcp1.bksv)); \ + HDCP_DDC_READ_TRACE(hdcp, "BCAPS", &hdcp->auth.msg.hdcp1.bcaps, \ + sizeof(hdcp->auth.msg.hdcp1.bcaps)); \ + HDCP_DDC_WRITE_TRACE(hdcp, "AN", hdcp->auth.msg.hdcp1.an, \ + sizeof(hdcp->auth.msg.hdcp1.an)); \ + HDCP_DDC_WRITE_TRACE(hdcp, "AKSV", hdcp->auth.msg.hdcp1.aksv, \ + sizeof(hdcp->auth.msg.hdcp1.aksv)); \ + HDCP_DDC_WRITE_TRACE(hdcp, "AINFO", &hdcp->auth.msg.hdcp1.ainfo, \ + sizeof(hdcp->auth.msg.hdcp1.ainfo)); \ + HDCP_DDC_READ_TRACE(hdcp, "RI' / R0'", \ + (uint8_t *)&hdcp->auth.msg.hdcp1.r0p, \ + sizeof(hdcp->auth.msg.hdcp1.r0p)); \ + HDCP_DDC_READ_TRACE(hdcp, "BINFO", \ + (uint8_t *)&hdcp->auth.msg.hdcp1.binfo_dp, \ + sizeof(hdcp->auth.msg.hdcp1.binfo_dp)); \ + HDCP_DDC_READ_TRACE(hdcp, "KSVLIST", hdcp->auth.msg.hdcp1.ksvlist, \ + hdcp->auth.msg.hdcp1.ksvlist_size); \ + HDCP_DDC_READ_TRACE(hdcp, "V'", hdcp->auth.msg.hdcp1.vp, \ + sizeof(hdcp->auth.msg.hdcp1.vp)); \ +} while (0) +#define HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, i) \ + HDCP_LOG_TOP(hdcp, "[Link %d]\tadd display %d", \ + hdcp->config.index, i) +#define HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, i) \ + HDCP_LOG_TOP(hdcp, "[Link %d]\tremove display %d", \ + hdcp->config.index, i) +#define HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp) \ + HDCP_LOG_TOP(hdcp, "[Link %d]\tdestroy hdcp1 session", \ + hdcp->config.index) +#define HDCP_TOP_RESET_AUTH_TRACE(hdcp) \ + HDCP_LOG_TOP(hdcp, "[Link %d]\treset authentication", hdcp->config.index) +#define HDCP_TOP_RESET_CONN_TRACE(hdcp) \ + HDCP_LOG_TOP(hdcp, "[Link %d]\treset connection", hdcp->config.index) +#define HDCP_TOP_INTERFACE_TRACE(hdcp) do { \ + HDCP_LOG_TOP(hdcp, "\n"); \ + HDCP_LOG_TOP(hdcp, "[Link %d] %s", hdcp->config.index, __func__); \ +} while (0) +#define HDCP_TOP_INTERFACE_TRACE_WITH_INDEX(hdcp, i) do { \ + HDCP_LOG_TOP(hdcp, "\n"); \ + HDCP_LOG_TOP(hdcp, "[Link %d] %s display %d", hdcp->config.index, __func__, i); \ +} while (0) + +#endif // MOD_HDCP_LOG_H_ diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c new file mode 100644 index 000000000000..646d909bbc37 --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c @@ -0,0 +1,328 @@ +/* + * Copyright 2018 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#define MAX_NUM_DISPLAYS 24 + + +#include "hdcp.h" + +#include "amdgpu.h" +#include "hdcp_psp.h" + +enum mod_hdcp_status mod_hdcp_remove_display_topology(struct mod_hdcp *hdcp) +{ + + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_dtm_shared_memory *dtm_cmd; + struct mod_hdcp_display *display = NULL; + uint8_t i; + + dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { + if (hdcp->connection.displays[i].state == MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED) { + + memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory)); + + display = &hdcp->connection.displays[i]; + + dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2; + dtm_cmd->dtm_in_message.topology_update_v2.display_handle = display->index; + dtm_cmd->dtm_in_message.topology_update_v2.is_active = 0; + dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE; + + psp_dtm_invoke(psp, dtm_cmd->cmd_id); + + if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) + return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE; + + display->state = MOD_HDCP_DISPLAY_ACTIVE; + HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index); + } + } + + return MOD_HDCP_STATUS_SUCCESS; +} + +enum mod_hdcp_status mod_hdcp_add_display_topology(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_dtm_shared_memory *dtm_cmd; + struct mod_hdcp_display *display = NULL; + struct mod_hdcp_link *link = &hdcp->connection.link; + uint8_t i; + + if (!psp->dtm_context.dtm_initialized) { + DRM_ERROR("Failed to add display topology, DTM TA is not initialized."); + return MOD_HDCP_STATUS_FAILURE; + } + + dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { + if (hdcp->connection.displays[i].state == MOD_HDCP_DISPLAY_ACTIVE) { + display = &hdcp->connection.displays[i]; + + memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory)); + + dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2; + dtm_cmd->dtm_in_message.topology_update_v2.display_handle = display->index; + dtm_cmd->dtm_in_message.topology_update_v2.is_active = 1; + dtm_cmd->dtm_in_message.topology_update_v2.controller = display->controller; + dtm_cmd->dtm_in_message.topology_update_v2.ddc_line = link->ddc_line; + dtm_cmd->dtm_in_message.topology_update_v2.dig_be = link->dig_be; + dtm_cmd->dtm_in_message.topology_update_v2.dig_fe = display->dig_fe; + dtm_cmd->dtm_in_message.topology_update_v2.dp_mst_vcid = display->vc_id; + dtm_cmd->dtm_in_message.topology_update_v2.max_hdcp_supported_version = + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__1_x; + dtm_cmd->dtm_status = TA_DTM_STATUS__GENERIC_FAILURE; + + psp_dtm_invoke(psp, dtm_cmd->cmd_id); + + if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) + return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE; + + display->state = MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED; + HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index); + } + } + + return MOD_HDCP_STATUS_SUCCESS; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp) +{ + + struct psp_context *psp = hdcp->config.psp.handle; + struct mod_hdcp_display *display = get_first_added_display(hdcp); + struct ta_hdcp_shared_memory *hdcp_cmd; + + if (!psp->hdcp_context.hdcp_initialized) { + DRM_ERROR("Failed to create hdcp session. HDCP TA is not initialized."); + return MOD_HDCP_STATUS_FAILURE; + } + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_create_session.display_handle = display->index; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_CREATE_SESSION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + return MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE; + + hdcp->auth.id = hdcp_cmd->out_msg.hdcp1_create_session.session_handle; + hdcp->auth.msg.hdcp1.ainfo = hdcp_cmd->out_msg.hdcp1_create_session.ainfo_primary; + memcpy(hdcp->auth.msg.hdcp1.aksv, hdcp_cmd->out_msg.hdcp1_create_session.aksv_primary, + sizeof(hdcp->auth.msg.hdcp1.aksv)); + memcpy(hdcp->auth.msg.hdcp1.an, hdcp_cmd->out_msg.hdcp1_create_session.an_primary, + sizeof(hdcp->auth.msg.hdcp1.an)); + + return MOD_HDCP_STATUS_SUCCESS; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp) +{ + + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_destroy_session.session_handle = hdcp->auth.id; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_DESTROY_SESSION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + return MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE; + + HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp); + + return MOD_HDCP_STATUS_SUCCESS; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_first_part_authentication.session_handle = hdcp->auth.id; + + memcpy(hdcp_cmd->in_msg.hdcp1_first_part_authentication.bksv_primary, hdcp->auth.msg.hdcp1.bksv, + TA_HDCP__HDCP1_KSV_SIZE); + + hdcp_cmd->in_msg.hdcp1_first_part_authentication.r0_prime_primary = hdcp->auth.msg.hdcp1.r0p; + hdcp_cmd->in_msg.hdcp1_first_part_authentication.bcaps = hdcp->auth.msg.hdcp1.bcaps; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_FIRST_PART_AUTHENTICATION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + return MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE; + + if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status == + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE) { + /* needs second part of authentication */ + hdcp->connection.is_repeater = 1; + } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status == + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED) { + hdcp->connection.is_repeater = 0; + } else + return MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE; + + + return MOD_HDCP_STATUS_SUCCESS; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + struct mod_hdcp_display *display = get_first_added_display(hdcp); + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_enable_encryption.session_handle = hdcp->auth.id; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_ENABLE_ENCRYPTION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + return MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION; + + if (!is_dp_mst_hdcp(hdcp)) { + display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED; + HDCP_HDCP1_ENABLED_TRACE(hdcp, display->index); + } + return MOD_HDCP_STATUS_SUCCESS; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf; + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_second_part_authentication.session_handle = hdcp->auth.id; + + hdcp_cmd->in_msg.hdcp1_second_part_authentication.ksv_list_size = hdcp->auth.msg.hdcp1.ksvlist_size; + memcpy(hdcp_cmd->in_msg.hdcp1_second_part_authentication.ksv_list, hdcp->auth.msg.hdcp1.ksvlist, + hdcp->auth.msg.hdcp1.ksvlist_size); + + memcpy(hdcp_cmd->in_msg.hdcp1_second_part_authentication.v_prime, hdcp->auth.msg.hdcp1.vp, + sizeof(hdcp->auth.msg.hdcp1.vp)); + + hdcp_cmd->in_msg.hdcp1_second_part_authentication.bstatus_binfo = + is_dp_hdcp(hdcp) ? hdcp->auth.msg.hdcp1.binfo_dp : hdcp->auth.msg.hdcp1.bstatus; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_SECOND_PART_AUTHENTICATION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + return MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE; + + return MOD_HDCP_STATUS_SUCCESS; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp *hdcp) +{ + + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + int i = 0; + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf; + + for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) { + + if (hdcp->connection.displays[i].state != MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED || + hdcp->connection.displays[i].adjust.disable) + continue; + + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_enable_dp_stream_encryption.session_handle = hdcp->auth.id; + hdcp_cmd->in_msg.hdcp1_enable_dp_stream_encryption.display_handle = hdcp->connection.displays[i].index; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_ENABLE_DP_STREAM_ENCRYPTION; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + return MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE; + + hdcp->connection.displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED; + HDCP_HDCP1_ENABLED_TRACE(hdcp, hdcp->connection.displays[i].index); + } + + return MOD_HDCP_STATUS_SUCCESS; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp) +{ + struct psp_context *psp = hdcp->config.psp.handle; + struct ta_hdcp_shared_memory *hdcp_cmd; + + hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf; + + memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory)); + + hdcp_cmd->in_msg.hdcp1_get_encryption_status.session_handle = hdcp->auth.id; + + hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level = 0; + hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP1_GET_ENCRYPTION_STATUS; + + psp_hdcp_invoke(psp, hdcp_cmd->cmd_id); + + if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) + return MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE; + + return (hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level == 1) + ? MOD_HDCP_STATUS_SUCCESS + : MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE; +} + +enum mod_hdcp_status mod_hdcp_hdcp1_get_link_encryption_status(struct mod_hdcp *hdcp, + enum mod_hdcp_encryption_status *encryption_status) +{ + *encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF; + + if (mod_hdcp_hdcp1_link_maintenance(hdcp) != MOD_HDCP_STATUS_SUCCESS) + return MOD_HDCP_STATUS_FAILURE; + + *encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP1_ON; + + return MOD_HDCP_STATUS_SUCCESS; +} + diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h new file mode 100644 index 000000000000..986fc07ea9ea --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.h @@ -0,0 +1,272 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef MODULES_HDCP_HDCP_PSP_H_ +#define MODULES_HDCP_HDCP_PSP_H_ + +/* + * NOTE: These parameters are a one-to-one copy of the + * parameters required by PSP + */ +enum bgd_security_hdcp_encryption_level { + HDCP_ENCRYPTION_LEVEL__INVALID = 0, + HDCP_ENCRYPTION_LEVEL__OFF, + HDCP_ENCRYPTION_LEVEL__ON +}; + +enum ta_dtm_command { + TA_DTM_COMMAND__UNUSED_1 = 1, + TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2, + TA_DTM_COMMAND__TOPOLOGY_ASSR_ENABLE +}; + +/* DTM related enumerations */ +/**********************************************************/ + +enum ta_dtm_status { + TA_DTM_STATUS__SUCCESS = 0x00, + TA_DTM_STATUS__GENERIC_FAILURE = 0x01, + TA_DTM_STATUS__INVALID_PARAMETER = 0x02, + TA_DTM_STATUS__NULL_POINTER = 0x3 +}; + +/* input/output structures for DTM commands */ +/**********************************************************/ +/** + * Input structures + */ +enum ta_dtm_hdcp_version_max_supported { + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__NONE = 0, + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__1_x = 10, + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_0 = 20, + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_1 = 21, + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_2 = 22, + TA_DTM_HDCP_VERSION_MAX_SUPPORTED__2_3 = 23 +}; + +struct ta_dtm_topology_update_input_v2 { + /* display handle is unique across the driver and is used to identify a display */ + /* for all security interfaces which reference displays such as HDCP */ + uint32_t display_handle; + uint32_t is_active; + uint32_t is_miracast; + uint32_t controller; + uint32_t ddc_line; + uint32_t dig_be; + uint32_t dig_fe; + uint32_t dp_mst_vcid; + uint32_t is_assr; + uint32_t max_hdcp_supported_version; +}; + +struct ta_dtm_topology_assr_enable { + uint32_t display_topology_dig_be_index; +}; + +/** + * Output structures + */ + +/* No output structures yet */ + +union ta_dtm_cmd_input { + struct ta_dtm_topology_update_input_v2 topology_update_v2; + struct ta_dtm_topology_assr_enable topology_assr_enable; +}; + +union ta_dtm_cmd_output { + uint32_t reserved; +}; + +struct ta_dtm_shared_memory { + uint32_t cmd_id; + uint32_t resp_id; + enum ta_dtm_status dtm_status; + uint32_t reserved; + union ta_dtm_cmd_input dtm_in_message; + union ta_dtm_cmd_output dtm_out_message; +}; + +int psp_cmd_submit_buf(struct psp_context *psp, struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd, + uint64_t fence_mc_addr); + +enum ta_hdcp_command { + TA_HDCP_COMMAND__INITIALIZE, + TA_HDCP_COMMAND__HDCP1_CREATE_SESSION, + TA_HDCP_COMMAND__HDCP1_DESTROY_SESSION, + TA_HDCP_COMMAND__HDCP1_FIRST_PART_AUTHENTICATION, + TA_HDCP_COMMAND__HDCP1_SECOND_PART_AUTHENTICATION, + TA_HDCP_COMMAND__HDCP1_ENABLE_ENCRYPTION, + TA_HDCP_COMMAND__HDCP1_ENABLE_DP_STREAM_ENCRYPTION, + TA_HDCP_COMMAND__HDCP1_GET_ENCRYPTION_STATUS, +}; + + +/* HDCP related enumerations */ +/**********************************************************/ +#define TA_HDCP__INVALID_SESSION 0xFFFF +#define TA_HDCP__HDCP1_AN_SIZE 8 +#define TA_HDCP__HDCP1_KSV_SIZE 5 +#define TA_HDCP__HDCP1_KSV_LIST_MAX_ENTRIES 127 +#define TA_HDCP__HDCP1_V_PRIME_SIZE 20 + +enum ta_hdcp_status { + TA_HDCP_STATUS__SUCCESS = 0x00, + TA_HDCP_STATUS__GENERIC_FAILURE = 0x01, + TA_HDCP_STATUS__NULL_POINTER = 0x02, + TA_HDCP_STATUS__FAILED_ALLOCATING_SESSION = 0x03, + TA_HDCP_STATUS__FAILED_SETUP_TX = 0x04, + TA_HDCP_STATUS__INVALID_PARAMETER = 0x05, + TA_HDCP_STATUS__VHX_ERROR = 0x06, + TA_HDCP_STATUS__SESSION_NOT_CLOSED_PROPERLY = 0x07, + TA_HDCP_STATUS__SRM_FAILURE = 0x08, + TA_HDCP_STATUS__MST_AUTHENTICATED_ALREADY_STARTED = 0x09, + TA_HDCP_STATUS__AKE_SEND_CERT_FAILURE = 0x0A, + TA_HDCP_STATUS__AKE_NO_STORED_KM_FAILURE = 0x0B, + TA_HDCP_STATUS__AKE_SEND_HPRIME_FAILURE = 0x0C, + TA_HDCP_STATUS__LC_SEND_LPRIME_FAILURE = 0x0D, + TA_HDCP_STATUS__SKE_SEND_EKS_FAILURE = 0x0E, + TA_HDCP_STATUS__REPAUTH_SEND_RXIDLIST_FAILURE = 0x0F, + TA_HDCP_STATUS__REPAUTH_STREAM_READY_FAILURE = 0x10, + TA_HDCP_STATUS__ASD_GENERIC_FAILURE = 0x11, + TA_HDCP_STATUS__UNWRAP_SECRET_FAILURE = 0x12, + TA_HDCP_STATUS__ENABLE_ENCR_FAILURE = 0x13, + TA_HDCP_STATUS__DISABLE_ENCR_FAILURE = 0x14, + TA_HDCP_STATUS__NOT_ENOUGH_MEMORY_FAILURE = 0x15, + TA_HDCP_STATUS__UNKNOWN_MESSAGE = 0x16, + TA_HDCP_STATUS__TOO_MANY_STREAM = 0x17 +}; + +enum ta_hdcp_authentication_status { + TA_HDCP_AUTHENTICATION_STATUS__NOT_STARTED = 0x00, + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_FAILED = 0x01, + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE = 0x02, + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_SECOND_PART_FAILED = 0x03, + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_AUTHENTICATED = 0x04, + TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_VALIDATION_FAILED = 0x09 +}; + + +/* input/output structures for HDCP commands */ +/**********************************************************/ +struct ta_hdcp_cmd_hdcp1_create_session_input { + uint8_t display_handle; +}; + +struct ta_hdcp_cmd_hdcp1_create_session_output { + uint32_t session_handle; + uint8_t an_primary[TA_HDCP__HDCP1_AN_SIZE]; + uint8_t aksv_primary[TA_HDCP__HDCP1_KSV_SIZE]; + uint8_t ainfo_primary; + uint8_t an_secondary[TA_HDCP__HDCP1_AN_SIZE]; + uint8_t aksv_secondary[TA_HDCP__HDCP1_KSV_SIZE]; + uint8_t ainfo_secondary; +}; + +struct ta_hdcp_cmd_hdcp1_destroy_session_input { + uint32_t session_handle; +}; + +struct ta_hdcp_cmd_hdcp1_first_part_authentication_input { + uint32_t session_handle; + uint8_t bksv_primary[TA_HDCP__HDCP1_KSV_SIZE]; + uint8_t bksv_secondary[TA_HDCP__HDCP1_KSV_SIZE]; + uint8_t bcaps; + uint16_t r0_prime_primary; + uint16_t r0_prime_secondary; +}; + +struct ta_hdcp_cmd_hdcp1_first_part_authentication_output { + enum ta_hdcp_authentication_status authentication_status; +}; + +struct ta_hdcp_cmd_hdcp1_second_part_authentication_input { + uint32_t session_handle; + uint16_t bstatus_binfo; + uint8_t ksv_list[TA_HDCP__HDCP1_KSV_LIST_MAX_ENTRIES][TA_HDCP__HDCP1_KSV_SIZE]; + uint32_t ksv_list_size; + uint8_t pj_prime; + uint8_t v_prime[TA_HDCP__HDCP1_V_PRIME_SIZE]; +}; + +struct ta_hdcp_cmd_hdcp1_second_part_authentication_output { + enum ta_hdcp_authentication_status authentication_status; +}; + +struct ta_hdcp_cmd_hdcp1_enable_encryption_input { + uint32_t session_handle; +}; + +struct ta_hdcp_cmd_hdcp1_enable_dp_stream_encryption_input { + uint32_t session_handle; + uint32_t display_handle; +}; + +struct ta_hdcp_cmd_hdcp1_get_encryption_status_input { + uint32_t session_handle; +}; + +struct ta_hdcp_cmd_hdcp1_get_encryption_status_output { + uint32_t protection_level; +}; + +/**********************************************************/ +/* Common input structure for HDCP callbacks */ +union ta_hdcp_cmd_input { + struct ta_hdcp_cmd_hdcp1_create_session_input hdcp1_create_session; + struct ta_hdcp_cmd_hdcp1_destroy_session_input hdcp1_destroy_session; + struct ta_hdcp_cmd_hdcp1_first_part_authentication_input hdcp1_first_part_authentication; + struct ta_hdcp_cmd_hdcp1_second_part_authentication_input hdcp1_second_part_authentication; + struct ta_hdcp_cmd_hdcp1_enable_encryption_input hdcp1_enable_encryption; + struct ta_hdcp_cmd_hdcp1_enable_dp_stream_encryption_input hdcp1_enable_dp_stream_encryption; + struct ta_hdcp_cmd_hdcp1_get_encryption_status_input hdcp1_get_encryption_status; +}; + +/* Common output structure for HDCP callbacks */ +union ta_hdcp_cmd_output { + struct ta_hdcp_cmd_hdcp1_create_session_output hdcp1_create_session; + struct ta_hdcp_cmd_hdcp1_first_part_authentication_output hdcp1_first_part_authentication; + struct ta_hdcp_cmd_hdcp1_second_part_authentication_output hdcp1_second_part_authentication; + struct ta_hdcp_cmd_hdcp1_get_encryption_status_output hdcp1_get_encryption_status; +}; +/**********************************************************/ + +struct ta_hdcp_shared_memory { + uint32_t cmd_id; + enum ta_hdcp_status hdcp_status; + uint32_t reserved; + union ta_hdcp_cmd_input in_msg; + union ta_hdcp_cmd_output out_msg; +}; + +enum psp_status { + PSP_STATUS__SUCCESS = 0, + PSP_STATUS__ERROR_INVALID_PARAMS, + PSP_STATUS__ERROR_GENERIC, + PSP_STATUS__ERROR_OUT_OF_MEMORY, + PSP_STATUS__ERROR_UNSUPPORTED_FEATURE +}; + +#endif /* MODULES_HDCP_HDCP_PSP_H_ */ diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h index dc187844d10b..dbe7835aabcf 100644 --- a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h @@ -92,6 +92,7 @@ struct mod_vrr_params_btr { uint32_t inserted_duration_in_us; uint32_t frames_to_insert; uint32_t frame_counter; + uint32_t margin_in_us; }; struct mod_vrr_params_fixed_refresh { diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h new file mode 100644 index 000000000000..dea21702edff --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h @@ -0,0 +1,289 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef MOD_HDCP_H_ +#define MOD_HDCP_H_ + +#include "os_types.h" +#include "signal_types.h" + +/* Forward Declarations */ +struct mod_hdcp; + +#define MAX_NUM_OF_DISPLAYS 6 +#define MAX_NUM_OF_ATTEMPTS 4 +#define MAX_NUM_OF_ERROR_TRACE 10 + +/* detailed return status */ +enum mod_hdcp_status { + MOD_HDCP_STATUS_SUCCESS = 0, + MOD_HDCP_STATUS_FAILURE, + MOD_HDCP_STATUS_RESET_NEEDED, + MOD_HDCP_STATUS_DISPLAY_OUT_OF_BOUND, + MOD_HDCP_STATUS_DISPLAY_NOT_FOUND, + MOD_HDCP_STATUS_INVALID_STATE, + MOD_HDCP_STATUS_NOT_IMPLEMENTED, + MOD_HDCP_STATUS_INTERNAL_POLICY_FAILURE, + MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE, + MOD_HDCP_STATUS_CREATE_PSP_SERVICE_FAILURE, + MOD_HDCP_STATUS_DESTROY_PSP_SERVICE_FAILURE, + MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE, + MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE, + MOD_HDCP_STATUS_HDCP1_VALIDATE_ENCRYPTION_FAILURE, + MOD_HDCP_STATUS_HDCP1_NOT_HDCP_REPEATER, + MOD_HDCP_STATUS_HDCP1_NOT_CAPABLE, + MOD_HDCP_STATUS_HDCP1_R0_PRIME_PENDING, + MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE, + MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY, + MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE, + MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION, + MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE, + MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE, + MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE, + MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE, + MOD_HDCP_STATUS_HDCP1_LINK_INTEGRITY_FAILURE, + MOD_HDCP_STATUS_HDCP1_REAUTH_REQUEST_ISSUED, + MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE, + MOD_HDCP_STATUS_HDCP1_INVALID_BKSV, + MOD_HDCP_STATUS_DDC_FAILURE, /* TODO: specific errors */ + MOD_HDCP_STATUS_INVALID_OPERATION, + MOD_HDCP_STATUS_HDCP2_NOT_CAPABLE, + MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE, + MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE, + MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE, + MOD_HDCP_STATUS_HDCP2_AKE_CERT_PENDING, + MOD_HDCP_STATUS_HDCP2_H_PRIME_PENDING, + MOD_HDCP_STATUS_HDCP2_PAIRING_INFO_PENDING, + MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE, + MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE, + MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE, + MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE, + MOD_HDCP_STATUS_HDCP2_L_PRIME_PENDING, + MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE, + MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE, + MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE, + MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY, + MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE, + MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION, + MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING, + MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE, + MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE, + MOD_HDCP_STATUS_HDCP2_REAUTH_REQUEST, + MOD_HDCP_STATUS_HDCP2_REAUTH_LINK_INTEGRITY_FAILURE, + MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE, +}; + +struct mod_hdcp_displayport { + uint8_t rev; + uint8_t assr_supported; +}; + +struct mod_hdcp_hdmi { + uint8_t reserved; +}; +enum mod_hdcp_operation_mode { + MOD_HDCP_MODE_OFF, + MOD_HDCP_MODE_DEFAULT, + MOD_HDCP_MODE_DP, + MOD_HDCP_MODE_DP_MST +}; + +enum mod_hdcp_display_state { + MOD_HDCP_DISPLAY_INACTIVE = 0, + MOD_HDCP_DISPLAY_ACTIVE, + MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED, + MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED +}; + +struct mod_hdcp_ddc { + void *handle; + struct { + bool (*read_i2c)(void *handle, + uint32_t address, + uint8_t offset, + uint8_t *data, + uint32_t size); + bool (*write_i2c)(void *handle, + uint32_t address, + const uint8_t *data, + uint32_t size); + bool (*read_dpcd)(void *handle, + uint32_t address, + uint8_t *data, + uint32_t size); + bool (*write_dpcd)(void *handle, + uint32_t address, + const uint8_t *data, + uint32_t size); + } funcs; +}; + +struct mod_hdcp_psp { + void *handle; + void *funcs; +}; + +struct mod_hdcp_display_adjustment { + uint8_t disable : 1; + uint8_t reserved : 7; +}; + +struct mod_hdcp_link_adjustment_hdcp1 { + uint8_t disable : 1; + uint8_t postpone_encryption : 1; + uint8_t reserved : 6; +}; + +struct mod_hdcp_link_adjustment_hdcp2 { + uint8_t disable : 1; + uint8_t disable_type1 : 1; + uint8_t force_no_stored_km : 1; + uint8_t increase_h_prime_timeout: 1; + uint8_t reserved : 4; +}; + +struct mod_hdcp_link_adjustment { + uint8_t auth_delay; + struct mod_hdcp_link_adjustment_hdcp1 hdcp1; + struct mod_hdcp_link_adjustment_hdcp2 hdcp2; +}; + +struct mod_hdcp_error { + enum mod_hdcp_status status; + uint8_t state_id; +}; + +struct mod_hdcp_trace { + struct mod_hdcp_error errors[MAX_NUM_OF_ERROR_TRACE]; + uint8_t error_count; +}; + +enum mod_hdcp_encryption_status { + MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF = 0, + MOD_HDCP_ENCRYPTION_STATUS_HDCP1_ON, + MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE0_ON, + MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE1_ON +}; + +/* per link events dm has to notify to hdcp module */ +enum mod_hdcp_event { + MOD_HDCP_EVENT_CALLBACK = 0, + MOD_HDCP_EVENT_WATCHDOG_TIMEOUT, + MOD_HDCP_EVENT_CPIRQ +}; + +/* output flags from module requesting timer operations */ +struct mod_hdcp_output { + uint8_t callback_needed; + uint8_t callback_stop; + uint8_t watchdog_timer_needed; + uint8_t watchdog_timer_stop; + uint16_t callback_delay; + uint16_t watchdog_timer_delay; +}; + +/* used to represent per display info */ +struct mod_hdcp_display { + enum mod_hdcp_display_state state; + uint8_t index; + uint8_t controller; + uint8_t dig_fe; + union { + uint8_t vc_id; + }; + struct mod_hdcp_display_adjustment adjust; +}; + +/* used to represent per link info */ +/* in case a link has multiple displays, they share the same link info */ +struct mod_hdcp_link { + enum mod_hdcp_operation_mode mode; + uint8_t dig_be; + uint8_t ddc_line; + union { + struct mod_hdcp_displayport dp; + struct mod_hdcp_hdmi hdmi; + }; + struct mod_hdcp_link_adjustment adjust; +}; + +/* a query structure for a display's hdcp information */ +struct mod_hdcp_display_query { + const struct mod_hdcp_display *display; + const struct mod_hdcp_link *link; + const struct mod_hdcp_trace *trace; + enum mod_hdcp_encryption_status encryption_status; +}; + +/* contains values per on external display configuration change */ +struct mod_hdcp_config { + struct mod_hdcp_psp psp; + struct mod_hdcp_ddc ddc; + uint8_t index; +}; + +struct mod_hdcp; + +/* dm allocates memory of mod_hdcp per dc_link on dm init based on memory size*/ +size_t mod_hdcp_get_memory_size(void); + +/* called per link on link creation */ +enum mod_hdcp_status mod_hdcp_setup(struct mod_hdcp *hdcp, + struct mod_hdcp_config *config); + +/* called per link on link destroy */ +enum mod_hdcp_status mod_hdcp_teardown(struct mod_hdcp *hdcp); + +/* called per display on cp_desired set to true */ +enum mod_hdcp_status mod_hdcp_add_display(struct mod_hdcp *hdcp, + struct mod_hdcp_link *link, struct mod_hdcp_display *display, + struct mod_hdcp_output *output); + +/* called per display on cp_desired set to false */ +enum mod_hdcp_status mod_hdcp_remove_display(struct mod_hdcp *hdcp, + uint8_t index, struct mod_hdcp_output *output); + +/* called to query hdcp information on a specific index */ +enum mod_hdcp_status mod_hdcp_query_display(struct mod_hdcp *hdcp, + uint8_t index, struct mod_hdcp_display_query *query); + +/* called per link on connectivity change */ +enum mod_hdcp_status mod_hdcp_reset_connection(struct mod_hdcp *hdcp, + struct mod_hdcp_output *output); + +/* called per link on events (i.e. callback, watchdog, CP_IRQ) */ +enum mod_hdcp_status mod_hdcp_process_event(struct mod_hdcp *hdcp, + enum mod_hdcp_event event, struct mod_hdcp_output *output); + +/* called to convert enum mod_hdcp_status to c string */ +char *mod_hdcp_status_to_str(int32_t status); + +/* called to convert state id to c string */ +char *mod_hdcp_state_id_to_str(int32_t id); + +/* called to convert signal type to operation mode */ +enum mod_hdcp_operation_mode mod_hdcp_signal_type_to_operation_mode( + enum signal_type signal); +#endif /* MOD_HDCP_H_ */ diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h index d930bdecb117..ca8ce3c55337 100644 --- a/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h @@ -35,4 +35,7 @@ struct mod_vrr_params; void mod_build_vsc_infopacket(const struct dc_stream_state *stream, struct dc_info_packet *info_packet); +void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream, + struct dc_info_packet *info_packet, int ALLMEnabled, int ALLMValue); + #endif diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c index d885d642ed7f..db6b08f6d093 100644 --- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c +++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c @@ -31,6 +31,7 @@ #include "dc.h" #define HDMI_INFOFRAME_TYPE_VENDOR 0x81 +#define HF_VSIF_VERSION 1 // VTEM Byte Offset #define VTEM_PB0 0 @@ -395,3 +396,100 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream, } +/** + ***************************************************************************** + * Function: mod_build_hf_vsif_infopacket + * + * @brief + * Prepare HDMI Vendor Specific info frame. + * Follows HDMI Spec to build up Vendor Specific info frame + * + * @param [in] stream: contains data we may need to construct VSIF (i.e. timing_3d_format, etc.) + * @param [out] info_packet: output structure where to store VSIF + ***************************************************************************** + */ +void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream, + struct dc_info_packet *info_packet, int ALLMEnabled, int ALLMValue) +{ + unsigned int length = 5; + bool hdmi_vic_mode = false; + uint8_t checksum = 0; + uint32_t i = 0; + enum dc_timing_3d_format format; + bool bALLM = (bool)ALLMEnabled; + bool bALLMVal = (bool)ALLMValue; + + info_packet->valid = false; + format = stream->timing.timing_3d_format; + if (stream->view_format == VIEW_3D_FORMAT_NONE) + format = TIMING_3D_FORMAT_NONE; + + if (stream->timing.hdmi_vic != 0 + && stream->timing.h_total >= 3840 + && stream->timing.v_total >= 2160 + && format == TIMING_3D_FORMAT_NONE) + hdmi_vic_mode = true; + + if ((format == TIMING_3D_FORMAT_NONE) && !hdmi_vic_mode && !bALLM) + return; + + info_packet->sb[1] = 0x03; + info_packet->sb[2] = 0x0C; + info_packet->sb[3] = 0x00; + + if (bALLM) { + info_packet->sb[1] = 0xD8; + info_packet->sb[2] = 0x5D; + info_packet->sb[3] = 0xC4; + info_packet->sb[4] = HF_VSIF_VERSION; + } + + if (format != TIMING_3D_FORMAT_NONE) + info_packet->sb[4] = (2 << 5); + + else if (hdmi_vic_mode) + info_packet->sb[4] = (1 << 5); + + switch (format) { + case TIMING_3D_FORMAT_HW_FRAME_PACKING: + case TIMING_3D_FORMAT_SW_FRAME_PACKING: + info_packet->sb[5] = (0x0 << 4); + break; + + case TIMING_3D_FORMAT_SIDE_BY_SIDE: + case TIMING_3D_FORMAT_SBS_SW_PACKED: + info_packet->sb[5] = (0x8 << 4); + length = 6; + break; + + case TIMING_3D_FORMAT_TOP_AND_BOTTOM: + case TIMING_3D_FORMAT_TB_SW_PACKED: + info_packet->sb[5] = (0x6 << 4); + break; + + default: + break; + } + + if (hdmi_vic_mode) + info_packet->sb[5] = stream->timing.hdmi_vic; + + info_packet->hb0 = HDMI_INFOFRAME_TYPE_VENDOR; + info_packet->hb1 = 0x01; + info_packet->hb2 = (uint8_t) (length); + + if (bALLM) + info_packet->sb[5] = (info_packet->sb[5] & ~0x02) | (bALLMVal << 1); + + checksum += info_packet->hb0; + checksum += info_packet->hb1; + checksum += info_packet->hb2; + + for (i = 1; i <= length; i++) + checksum += info_packet->sb[i]; + + info_packet->sb[0] = (uint8_t) (0x100 - checksum); + + info_packet->valid = true; +} + diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c index 05e2be856037..4e2f615c3566 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -80,18 +80,18 @@ struct abm_parameters { static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = { // min_red max_red bright_pos dark_pos brightness_gain contrast deviation min_knee max_knee - {0xff, 0xbf, 0x20, 0x00, 0xff, 0x99, 0xb3, 0x40, 0xE0}, - {0xff, 0x85, 0x20, 0x00, 0xff, 0x90, 0xa8, 0x40, 0xE0}, - {0xff, 0x40, 0x20, 0x00, 0xff, 0x90, 0x68, 0x40, 0xE0}, - {0x82, 0x4d, 0x20, 0x00, 0x00, 0x90, 0xb3, 0x70, 0x70}, + {0xff, 0xbf, 0x20, 0x00, 0xff, 0x99, 0xb3, 0x40, 0xe0}, + {0xde, 0x85, 0x20, 0x00, 0xff, 0x90, 0xa8, 0x40, 0xdf}, + {0xb0, 0x50, 0x20, 0x00, 0xc0, 0x88, 0x78, 0x70, 0xa0}, + {0x82, 0x40, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70}, }; static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = { // min_red max_red bright_pos dark_pos brightness_gain contrast deviation min_knee max_knee - {0xf0, 0xd9, 0x20, 0x00, 0x00, 0xa8, 0xb3, 0x70, 0x70}, - {0xcd, 0xa5, 0x20, 0x00, 0x00, 0xa8, 0xb3, 0x70, 0x70}, - {0x99, 0x65, 0x20, 0x00, 0x00, 0xa8, 0xb3, 0x70, 0x70}, - {0x82, 0x4d, 0x20, 0x00, 0x00, 0xa8, 0xb3, 0x70, 0x70}, + {0xf0, 0xd9, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70}, + {0xcd, 0xa5, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70}, + {0x99, 0x65, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70}, + {0x82, 0x4d, 0x20, 0x00, 0x00, 0xff, 0xb3, 0x70, 0x70}, }; static const struct abm_parameters * const abm_settings[] = { @@ -115,7 +115,7 @@ static const struct abm_parameters * const abm_settings[] = { /* NOTE: iRAM is 256B in size */ struct iram_table_v_2 { /* flags */ - uint16_t flags; /* 0x00 U16 */ + uint16_t min_abm_backlight; /* 0x00 U16 */ /* parameters for ABM2.0 algorithm */ uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */ @@ -140,10 +140,10 @@ struct iram_table_v_2 { /* For reading PSR State directly from IRAM */ uint8_t psr_state; /* 0xf0 */ - uint8_t dmcu_mcp_interface_version; /* 0xf1 */ - uint8_t dmcu_abm_feature_version; /* 0xf2 */ - uint8_t dmcu_psr_feature_version; /* 0xf3 */ - uint16_t dmcu_version; /* 0xf4 */ + uint8_t dmcu_mcp_interface_version; /* 0xf1 */ + uint8_t dmcu_abm_feature_version; /* 0xf2 */ + uint8_t dmcu_psr_feature_version; /* 0xf3 */ + uint16_t dmcu_version; /* 0xf4 */ uint8_t dmcu_state; /* 0xf6 */ uint16_t blRampReduction; /* 0xf7 */ @@ -164,42 +164,43 @@ struct iram_table_v_2_2 { uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */ uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */ uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */ - uint8_t hybrid_factor[NUM_AGGR_LEVEL]; /* 0x52 U0.8 */ - uint8_t contrast_factor[NUM_AGGR_LEVEL]; /* 0x56 U0.8 */ - uint8_t deviation_gain[NUM_AGGR_LEVEL]; /* 0x5a U0.8 */ - uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x5e U0.8 */ - uint8_t min_knee[NUM_AGGR_LEVEL]; /* 0x63 U0.8 */ - uint8_t max_knee[NUM_AGGR_LEVEL]; /* 0x67 U0.8 */ - uint8_t pad[21]; /* 0x6b U0.8 */ + uint8_t hybrid_factor[NUM_AGGR_LEVEL]; /* 0x52 U0.8 */ + uint8_t contrast_factor[NUM_AGGR_LEVEL]; /* 0x56 U0.8 */ + uint8_t deviation_gain[NUM_AGGR_LEVEL]; /* 0x5a U0.8 */ + uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x5e U0.8 */ + uint8_t min_knee[NUM_AGGR_LEVEL]; /* 0x63 U0.8 */ + uint8_t max_knee[NUM_AGGR_LEVEL]; /* 0x67 U0.8 */ + uint16_t min_abm_backlight; /* 0x6b U16 */ + uint8_t pad[19]; /* 0x6d U0.8 */ /* parameters for crgb conversion */ - uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ - uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ - uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ + uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */ + uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */ + uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */ /* parameters for custom curve */ /* thresholds for brightness --> backlight */ - uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ + uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */ /* offsets for brightness --> backlight */ - uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ + uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */ /* For reading PSR State directly from IRAM */ - uint8_t psr_state; /* 0xf0 */ - uint8_t dmcu_mcp_interface_version; /* 0xf1 */ - uint8_t dmcu_abm_feature_version; /* 0xf2 */ - uint8_t dmcu_psr_feature_version; /* 0xf3 */ - uint16_t dmcu_version; /* 0xf4 */ - uint8_t dmcu_state; /* 0xf6 */ - - uint8_t dummy1; /* 0xf7 */ - uint8_t dummy2; /* 0xf8 */ - uint8_t dummy3; /* 0xf9 */ - uint8_t dummy4; /* 0xfa */ - uint8_t dummy5; /* 0xfb */ - uint8_t dummy6; /* 0xfc */ - uint8_t dummy7; /* 0xfd */ - uint8_t dummy8; /* 0xfe */ - uint8_t dummy9; /* 0xff */ + uint8_t psr_state; /* 0xf0 */ + uint8_t dmcu_mcp_interface_version; /* 0xf1 */ + uint8_t dmcu_abm_feature_version; /* 0xf2 */ + uint8_t dmcu_psr_feature_version; /* 0xf3 */ + uint16_t dmcu_version; /* 0xf4 */ + uint8_t dmcu_state; /* 0xf6 */ + + uint8_t dummy1; /* 0xf7 */ + uint8_t dummy2; /* 0xf8 */ + uint8_t dummy3; /* 0xf9 */ + uint8_t dummy4; /* 0xfa */ + uint8_t dummy5; /* 0xfb */ + uint8_t dummy6; /* 0xfc */ + uint8_t dummy7; /* 0xfd */ + uint8_t dummy8; /* 0xfe */ + uint8_t dummy9; /* 0xff */ }; #pragma pack(pop) @@ -271,7 +272,8 @@ void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters { unsigned int set = params.set; - ram_table->flags = 0x0; + ram_table->min_abm_backlight = + cpu_to_be16(params.min_abm_backlight); ram_table->deviation_gain = 0xb3; ram_table->blRampReduction = @@ -445,6 +447,9 @@ void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parame ram_table->flags = 0x0; + ram_table->min_abm_backlight = + cpu_to_be16(params.min_abm_backlight); + ram_table->deviation_gain[0] = 0xb3; ram_table->deviation_gain[1] = 0xa8; ram_table->deviation_gain[2] = 0x98; @@ -588,6 +593,10 @@ void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parame unsigned int set = params.set; ram_table->flags = 0x0; + + ram_table->min_abm_backlight = + cpu_to_be16(params.min_abm_backlight); + for (i = 0; i < NUM_AGGR_LEVEL; i++) { ram_table->hybrid_factor[i] = abm_settings[set][i].brightness_gain; ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor; diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h index da5df00fedce..e54157026330 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h @@ -38,6 +38,7 @@ struct dmcu_iram_parameters { unsigned int backlight_lut_array_size; unsigned int backlight_ramping_reduction; unsigned int backlight_ramping_start; + unsigned int min_abm_backlight; unsigned int set; }; |