diff options
| -rw-r--r-- | tests/include/lib/edid-test.h | 196 | ||||
| -rw-r--r-- | tests/lib/Makefile.inc | 6 | ||||
| -rw-r--r-- | tests/lib/edid-test.c | 1272 | ||||
| -rw-r--r-- | tests/stubs/console.c | 7 |
4 files changed, 1481 insertions, 0 deletions
diff --git a/tests/include/lib/edid-test.h b/tests/include/lib/edid-test.h new file mode 100644 index 0000000000..073905d5f0 --- /dev/null +++ b/tests/include/lib/edid-test.h @@ -0,0 +1,196 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <stdlib.h> +#include <commonlib/bsd/helpers.h> + + +struct edid_raw { + uint8_t header[8]; + + /* Display product identification */ + uint16_t manufacturer_id; + uint16_t product_code; + uint32_t serial_number; + uint8_t manufacture_week; + uint8_t manufacture_year; + + /* EDID version information */ + uint8_t edid_version; + uint8_t edid_revision; + + /* Basic display parameters */ + uint8_t video_input_type; + uint8_t horizontal_size; /* [cm] */ + uint8_t vertical_size; /* [cm] */ + uint8_t display_gamma; + uint8_t supported_features; + + /* Color space definition */ + uint8_t color_characteristics[10]; + + /* Timing information */ + uint8_t established_supported_timings[2]; + uint8_t manufacturers_reserved_timing; + uint8_t standard_timings_supported[16]; + uint8_t descriptor_block_1[18]; + uint8_t descriptor_block_2[18]; + uint8_t descriptor_block_3[18]; + uint8_t descriptor_block_4[18]; + + /* Number of optional 128-byte extension blocks */ + uint8_t extension_flag; + + uint8_t checksum; +} __packed; + +_Static_assert(sizeof(struct edid_raw) == 128); + +#define EDID_HEADER_RAW { 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00 } +#define EDID_HEADER_INVALID_RAW { 0, 0, 0, 0, 0, 0, 0, 0 } + +#define EDID_MANUFACTURER_ID 0xcb55 +#define EDID_MANUFACTURER_NAME "UNK" +#define EDID_PRODUCT_CODE 0x1234 +#define EDID_SERIAL_NUMBER 0x56789ABC +#define EDID_MANUFACTURE_WEEK 23u +#define EDID_MANUFACTURE_NO_WEEK 0u +#define EDID_MANUFACTURE_YEAR (2015u - 1990u) + +/* Video Input Definition for Analog Video Signal Interface */ +#define EDID_ANALOG_VSI (0u << 7) +#define EDID_SIGNAL_LEVEL_0 0u +#define EDID_SIGNAL_LEVEL_1 (1u << 5) +#define EDID_SIGNAL_LEVEL_2 (2u << 5) +#define EDID_SIGNAL_LEVEL_3 (3u << 5) +#define EDID_VIDEO_SETUP_BLANK_EQ_BLACK 0u +#define EDID_VIDEO_SETUP_BLANK_TO_BLACK (1u << 4) +#define EDID_SEPARATE_SYNC_H_AND_V(v) ((v != 0 ? 0x1 : 0x0) << 3) +#define EDID_COMPOSITE_SYNC_H(v) ((v != 0 ? 0x1 : 0x0) << 2) +#define EDID_COMPOSITE_SYNC_ON_GREEN(v) ((v != 0 ? 0x1 : 0x0) << 1) +#define EDID_SERRATION_VSYNC(v) (v != 0 ? 0x1 : 0x0) + +/* Video Input Definition for Digital Video Signal Interface */ +#define EDID_DIGITAL_VSI (1u << 7) +#define EDID_COLOR_BIT_DEPTH_UNDEFINED 0u +#define EDID_COLOR_BIT_DEPTH_6B (1u << 4) +#define EDID_COLOR_BIT_DEPTH_8B (2u << 4) +#define EDID_COLOR_BIT_DEPTH_10B (3u << 4) +#define EDID_COLOR_BIT_DEPTH_12B (4u << 4) +#define EDID_COLOR_BIT_DEPTH_14B (5u << 4) +#define EDID_COLOR_BIT_DEPTH_16B (6u << 4) +#define EDID_INTERFACE_UNDEFINED 0u +#define EDID_INTERFACE_DVI 1u +#define EDID_INTERFACE_HDMI_A 2u +#define EDID_INTERFACE_HDMI_B 3u +#define EDID_INTERFACE_MDDI 4u +#define EDID_INTERFACE_DP 5u + +/* BEGIN Supported features */ +#define EDID_STANDBY_MODE(v) ((v != 0 ? 0x1 : 0x0) << 7) +#define EDID_SUSPEND_MODE(v) ((v != 0 ? 0x1 : 0x0) << 6) +#define EDID_ACTIVE_OFF(v) ((v != 0 ? 0x1 : 0x0) << 5) +/* For analog interface */ +#define EDID_COLOR_TYPE_MONO 0u +#define EDID_COLOR_TYPE_RGB (1u << 3) +#define EDID_COLOR_TYPE_NON_RGB (2u << 3) +#define EDID_COLOR_TYPE_UNDEFINED (3u << 3) +/* For digital interface */ +#define EDID_COLOR_FORMAT_RGB444 0u +#define EDID_COLOR_FORMAT_RGB444_YCRCB444 (1u << 3) +#define EDID_COLOR_FORMAT_RGB444_YCRCB422 (2u << 3) +#define EDID_COLOR_FORMAT_RGB444_YCRCB422_YCRCB422 (3u << 3) + +#define EDID_SRGB_SUPPORTED(v) (((v) == 0 ? 0u : 1u) << 2) +#define EDID_PREFERRED_TIMING_EXTENDED_INFO (1u << 1) +#define EDID_PREFERRED_TIMING_NO_EXTENDED_INFO 0u +#define EDID_DISPLAY_FREQUENCY_CONTINUOUS 1u +#define EDID_DISPLAY_FREQUENCY_NON_CONTINUOUS 0u +/* END Supported features */ + +/* Red X 0.640 */ +#define EDID_COLOR_R_X 0x25 +/* Red Y 0.330 */ +#define EDID_COLOR_R_Y 0x152 +/* Green X 0.300 */ +#define EDID_COLOR_G_X 0x13a +/* Green Y 0.600 */ +#define EDID_COLOR_G_Y 0x267 +/* Blue X 0.150 */ +#define EDID_COLOR_B_X 0x9a +/* Blue Y 0.060 */ +#define EDID_COLOR_B_Y 0x3e +/* White X 0.3125 */ +#define EDID_COLOR_W_X 0xa +/* White Y 0.3291 */ +#define EDID_COLOR_W_Y 0x22a + +/* 1 and 0 bits of each color */ +#define EDID_COLOR_R_X10_Y10 (((EDID_COLOR_R_X & 0x3) << 2) | (EDID_COLOR_R_Y & 0x3)) +#define EDID_COLOR_G_X10_Y10 (((EDID_COLOR_G_X & 0x3) << 2) | (EDID_COLOR_G_Y & 0x3)) +#define EDID_COLOR_B_X10_Y10 (((EDID_COLOR_B_X & 0x3) << 2) | (EDID_COLOR_B_Y & 0x3)) +#define EDID_COLOR_W_X10_Y10 (((EDID_COLOR_W_X & 0x3) << 2) | (EDID_COLOR_W_Y & 0x3)) + +/* Concatenated 0 and 1 bits of each color. To be put + * as first and second byte of color characteristic. */ +#define EDID_COLOR_RG_XY ((EDID_COLOR_R_X10_Y10 << 4) | EDID_COLOR_G_X10_Y10) +#define EDID_COLOR_BW_XY ((EDID_COLOR_B_X10_Y10 << 4) | EDID_COLOR_W_X10_Y10) + +/* Bits 9 through 2 of each color */ +#define EDID_COLOR_R_X92 (EDID_COLOR_R_X >> 2) +#define EDID_COLOR_R_Y92 (EDID_COLOR_R_Y >> 2) +#define EDID_COLOR_G_X92 (EDID_COLOR_G_X >> 2) +#define EDID_COLOR_G_Y92 (EDID_COLOR_G_Y >> 2) +#define EDID_COLOR_B_X92 (EDID_COLOR_B_X >> 2) +#define EDID_COLOR_B_Y92 (EDID_COLOR_B_Y >> 2) +#define EDID_COLOR_W_X92 (EDID_COLOR_W_X >> 2) +#define EDID_COLOR_W_Y92 (EDID_COLOR_W_Y >> 2) + +#define EDID_ESTABLISHED_TIMINGS_1_800x600_60Hz 1u +#define EDID_ESTABLISHED_TIMINGS_1_800x600_56Hz (1u << 1) +#define EDID_ESTABLISHED_TIMINGS_1_640x480_75Hz (1u << 2) +#define EDID_ESTABLISHED_TIMINGS_1_640x480_72Hz (1u << 3) +#define EDID_ESTABLISHED_TIMINGS_1_640x480_67Hz (1u << 4) +#define EDID_ESTABLISHED_TIMINGS_1_640x480_60Hz (1u << 5) +#define EDID_ESTABLISHED_TIMINGS_1_720x400_88Hz (1u << 6) +#define EDID_ESTABLISHED_TIMINGS_1_720x400_70Hz (1u << 7) + +#define EDID_ESTABLISHED_TIMINGS_2_1280x1024_75Hz 1u +#define EDID_ESTABLISHED_TIMINGS_2_1024x768_75Hz (1u << 1) +#define EDID_ESTABLISHED_TIMINGS_2_1024x768_70Hz (1u << 2) +#define EDID_ESTABLISHED_TIMINGS_2_1024x768_60Hz (1u << 3) +#define EDID_ESTABLISHED_TIMINGS_2_1024x768_80HzI (1u << 4) +#define EDID_ESTABLISHED_TIMINGS_2_832x624_75Hz (1u << 5) +#define EDID_ESTABLISHED_TIMINGS_2_800x600_75Hz (1u << 6) +#define EDID_ESTABLISHED_TIMINGS_2_800x600_72Hz (1u << 7) + +#define EDID_MANUFACTURERS_TIMINGS_1152x870_75Hz (1u << 7) + +#define EDID_HORIZONTAL_ACCESSIBLE_PIXELS(px) (((px) / 8 - 31) & 0xFF) +#define EDID_ASPECT_RATIO_16_10 0u +#define EDID_ASPECT_RATIO_4_3 (1u << 6) +#define EDID_ASPECT_RATIO_5_4 (2u << 6) +#define EDID_ASPECT_RATIO_16_9 (3u << 6) +#define EDID_FIELD_REFRESH_RATE(hz) (((hz) - 60) & 0x1f) + +#define EDID_PIXEL_CLOCK(v) (((v) / 10000) & 0xFFFF) + +#define EDID_RAW_DEFAULT_PARAMS .header = EDID_HEADER_RAW, \ + .edid_version = 1, \ + .edid_revision = 4, \ + .manufacturer_id = EDID_MANUFACTURER_ID, \ + .product_code = EDID_PRODUCT_CODE, \ + .serial_number = EDID_SERIAL_NUMBER, \ + .manufacture_week = EDID_MANUFACTURE_NO_WEEK, \ + .manufacture_year = EDID_MANUFACTURE_YEAR, \ + .color_characteristics = { \ + EDID_COLOR_RG_XY, \ + EDID_COLOR_BW_XY, \ + EDID_COLOR_R_X92, \ + EDID_COLOR_R_Y92, \ + EDID_COLOR_G_X92, \ + EDID_COLOR_G_Y92, \ + EDID_COLOR_B_X92, \ + EDID_COLOR_B_Y92, \ + EDID_COLOR_W_X92, \ + EDID_COLOR_W_Y92, \ + } diff --git a/tests/lib/Makefile.inc b/tests/lib/Makefile.inc index 27773b7f39..219f7e7634 100644 --- a/tests/lib/Makefile.inc +++ b/tests/lib/Makefile.inc @@ -5,6 +5,7 @@ tests-y += b64_decode-test tests-y += hexstrtobin-test tests-y += imd-test tests-y += timestamp-test +tests-y += edid-test string-test-srcs += tests/lib/string-test.c string-test-srcs += src/lib/string.c @@ -24,3 +25,8 @@ timestamp-test-srcs += tests/lib/timestamp-test.c timestamp-test-srcs += tests/stubs/timestamp.c timestamp-test-srcs += tests/stubs/console.c timestamp-test-stage := romstage + +edid-test-srcs += tests/lib/edid-test.c +edid-test-srcs += src/lib/edid.c +edid-test-srcs += tests/stubs/console.c + diff --git a/tests/lib/edid-test.c b/tests/lib/edid-test.c new file mode 100644 index 0000000000..0da7c61853 --- /dev/null +++ b/tests/lib/edid-test.c @@ -0,0 +1,1272 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <stdlib.h> +#include <tests/test.h> +#include <edid.h> +#include <assert.h> +#include <string.h> +#include <lib/edid-test.h> + +struct test_state { + int data_size; + void *data; +}; + +static uint8_t get_raw_edid_checksum(const unsigned char *x) +{ + unsigned char sum = 0; + int i; + for (i = 0; i < 127; ++i) + sum += x[i]; + + return 256 - sum; +} + +static void edid_raw_calc_checksum(struct edid_raw *raw) +{ + raw->checksum = get_raw_edid_checksum((const unsigned char *)raw); +} + +static void test_decode_edid_no_edid(void **state) +{ + assert_int_equal(EDID_ABSENT, decode_edid(NULL, 0, NULL)); +} + +static void test_decode_edid_invalid_header(void **state) +{ + struct edid_raw raw = { + .header = EDID_HEADER_INVALID_RAW + }; + raw.checksum = get_raw_edid_checksum((const unsigned char *)&raw); + + assert_int_equal(EDID_ABSENT, decode_edid((unsigned char *)&raw, sizeof(raw), NULL)); +} + +/* Frame is modified example of an LCD Desktop IT display + * from VESA E-EDID Standard Release A2. + */ +static int setup_decode_edid_basic_frame(void **state) +{ + struct edid_raw raw = { + EDID_RAW_DEFAULT_PARAMS, + .video_input_type = EDID_ANALOG_VSI + | EDID_SIGNAL_LEVEL_0 + | EDID_VIDEO_SETUP_BLANK_EQ_BLACK + | EDID_SEPARATE_SYNC_H_AND_V(1) + | EDID_COMPOSITE_SYNC_H(1) + | EDID_COMPOSITE_SYNC_ON_GREEN(1) + | EDID_SERRATION_VSYNC(1), + .horizontal_size = 43, /* [cm] */ + .vertical_size = 32, /* [cm] */ + .display_gamma = 120, /* 220% */ + .supported_features = EDID_STANDBY_MODE(0) + | EDID_SUSPEND_MODE(0) + | EDID_ACTIVE_OFF(1) + | EDID_COLOR_FORMAT_RGB444 + | EDID_SRGB_SUPPORTED(0) + | EDID_PREFERRED_TIMING_EXTENDED_INFO + | EDID_DISPLAY_FREQUENCY_CONTINUOUS, + .established_supported_timings = { + [0] = EDID_ESTABLISHED_TIMINGS_1_720x400_70Hz + | EDID_ESTABLISHED_TIMINGS_1_720x400_88Hz + | EDID_ESTABLISHED_TIMINGS_1_640x480_60Hz + | EDID_ESTABLISHED_TIMINGS_1_640x480_67Hz + | EDID_ESTABLISHED_TIMINGS_1_640x480_72Hz + | EDID_ESTABLISHED_TIMINGS_1_640x480_75Hz + | EDID_ESTABLISHED_TIMINGS_1_800x600_56Hz + | EDID_ESTABLISHED_TIMINGS_1_800x600_60Hz, + [1] = EDID_ESTABLISHED_TIMINGS_2_800x600_72Hz + | EDID_ESTABLISHED_TIMINGS_2_800x600_75Hz + | EDID_ESTABLISHED_TIMINGS_2_832x624_75Hz + | EDID_ESTABLISHED_TIMINGS_2_1024x768_80HzI + | EDID_ESTABLISHED_TIMINGS_2_1024x768_60Hz + | EDID_ESTABLISHED_TIMINGS_2_1024x768_70Hz + | EDID_ESTABLISHED_TIMINGS_2_1024x768_75Hz + | EDID_ESTABLISHED_TIMINGS_2_1280x1024_75Hz, + }, + .manufacturers_reserved_timing = EDID_MANUFACTURERS_TIMINGS_1152x870_75Hz, + .standard_timings_supported = { + [0] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1600), + [1] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(85), + + [2] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1600), + [3] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(75), + + [4] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1600), + [5] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(70), + + [6] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1600), + [7] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(65), + + [8] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1280), + [9] = EDID_ASPECT_RATIO_5_4 | EDID_FIELD_REFRESH_RATE(85), + + [10] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1280), + [11] = EDID_ASPECT_RATIO_5_4 | EDID_FIELD_REFRESH_RATE(60), + + [12] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1024), + [13] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(85), + + [14] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(800), + [15] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(85), + }, + .descriptor_block_1 = { + [0] = EDID_PIXEL_CLOCK(162000000u) & 0xFF, + [1] = (EDID_PIXEL_CLOCK(162000000u) >> 8) & 0xFF, + + /* + * Horizontal Addressable Video is 1600px + * Horizontal Blanking is 560px + */ + [2] = 0x40, [3] = 0x30, [4] = 0x62, + + /* + * Vertical Addressable Video is 1200 lines + * Vertical Blanking is 50 lines + */ + [5] = 0xB0, [6] = 0x32, [7] = 0x40, + + [8] = 64u, /* Horizontal Front Porch in pixels */ + [9] = 192u, /* Horizontal Pulse Sync Width in pixels */ + [10] = 0x13, /* Vertical Front Porch is 1 line */ + [11] = 0x00, /* Vertical Sync Pulse Width is 3 lines */ + + /* + * Horizontal Addressable Image Size is 427mm + * Vertical Addressable Image Size is 320mm + */ + [12] = 0xAB, [13] = 0x40, [14] = 0x11, + + [15] = 0x00, /* Horizontal border size is 0px*/ + [16] = 0x00, /* Vertical Border Size is 0px */ + + /* + * Timing is Non-Interlaced Video, + * Stereo Video is not supported, + * Digital separate syncs are requires. + * */ + [17] = 0x1E, + }, + .descriptor_block_2 = { + /* Display Range Limits Block Tag */ + [0] = 0, [1] = 0, [2] = 0, [3] = 0xFD, + + [4] = 0, /* Horizontal and Vertical Rate Offsets are zero */ + [5] = 50u, /* Minimum Vertical Freq is 50Hz */ + [6] = 90u, /* Maximum Vertical Freq is 90Hz */ + + [7] = 30u, /* Minimum Horizontal Freq is 30kHz */ + [8] = 110u, /* Maximum Horizontal Freq is 110kHz */ + [9] = 23u, /* Maximum Pixel Clock Freq i 230MHz */ + [10] = 0x4, /* Begin CVT Support Info */ + [11] = 0x11, /* Compatible with CVT Version 1.1 */ + [12] = 0, /* Maimum Pixel Clock Freq remains at 230MHz */ + [13] = 200, /* Maximum Active Pixels per Pile is 1600 */ + [14] = 0x90, /* Supported aspect ratios: 4:3, 5:4 */ + + /* Preferred Aspect Ratio is 4:3, Standard CVT Blanking is supported */ + [15] = 0, + [16] = 0x50, /* H. & V. Stretch are supported and Shrinks are not */ + [17] = 60u, /* Preferred Refresh Rate is 60Hz */ + }, + .descriptor_block_3 = { + /* Established Timings III Block Tag */ + [0] = 0, [1] = 0, [2] = 0, [3] = 0xF7, [4] = 0, + + [5] = 10u, /* VESA DMT Standard Version #10 */ + /* + * 640x350@85Hz, + * 640x400@85Hz, + * 720x400@85Hz, + * 640x480@85Hz, + * 800x600@85Hz, + * 1024x768@85Hz, + * 1152x864@75Hz + */ + [6] = 0x7F, + + /* + * 1280x960@60Hz, + * 1280x960@85Hz, + * 1280x1024@60Hz, + * 1280x1024@85Hz + */ + [7] = 0x0F, + + /* + * 1400x1050@60Hz (Normal Blanking), + * 1400x1050@75Hz are supported. + */ + [8] = 0x03, + + /* + * 1400x1050@85Hz, + * 1600x1200@60Hz, + * 1600x1200@65Hz, + * 1600x1200@70Hz are supported. + */ + [9] = 0x87, + + /* + * 1600x1200@75Hz, + * 1600x1200@85Hz are supported. + */ + [10] = 0xC0, + + /* 1920 timings not supported */ + [11] = 0x0, + + [12 ... 17] = 0, + }, + .descriptor_block_4 = { + /* Display Product Name Block Tag */ + [0] = 0, [1] = 0, [2] = 0, [3] = 0xFC, [4] = 0, + + /* Product name */ + [5] = 'A', + [6] = 'B', + [7] = 'C', + [8] = ' ', + [9] = 'L', + [10] = 'C', + [11] = 'D', + [12] = '2', + [13] = '1', + [14] = '\n', + [15] = ' ', + [16] = ' ', + [17] = ' ', + }, + .extension_flag = 0x0, /* No extensions */ + }; + + edid_raw_calc_checksum(&raw); + + *state = malloc(sizeof(struct test_state)); + + struct test_state ts = { + .data_size = sizeof(struct edid_raw), + .data = malloc(sizeof(struct edid_raw)) + }; + + memcpy(ts.data, &raw, sizeof(raw)); + memcpy(*state, &ts, sizeof(ts)); + + return 0; +} + +/* Test decoding of EDID frame without extensions. + */ +static void test_decode_edid_basic_frame(void **state) +{ + struct edid out; + struct test_state *ts = *state; + + /* In real-life situations frames often are not 100% conformant, + * but are at least correct when it comes to key data fields. + */ + assert_int_equal(EDID_CONFORMANT, + decode_edid((unsigned char *)ts->data, ts->data_size, &out)); + + assert_int_equal(32, out.framebuffer_bits_per_pixel); + assert_int_equal(0, out.panel_bits_per_color); + assert_int_equal(0, out.panel_bits_per_pixel); + assert_int_equal(0, out.link_clock); + assert_int_equal(1600, out.x_resolution); + assert_int_equal(1200, out.y_resolution); + assert_int_equal(6400, out.bytes_per_line); + assert_int_equal(0, out.hdmi_monitor_detected); + assert_int_equal(0, strnlen(out.ascii_string, ARRAY_SIZE(out.ascii_string))); + assert_string_equal(out.manufacturer_name, EDID_MANUFACTURER_NAME); + + /* Mode */ + assert_null(out.mode.name); + assert_int_equal(162000, out.mode.pixel_clock); + assert_int_equal(1, out.mode.lvds_dual_channel); + assert_int_equal(0, out.mode.refresh); + assert_int_equal(1600, out.mode.ha); + assert_int_equal(560, out.mode.hbl); + assert_int_equal(64, out.mode.hso); + assert_int_equal(192, out.mode.hspw); + assert_int_equal(0, out.mode.hborder); + assert_int_equal(1200, out.mode.va); + assert_int_equal(50, out.mode.vbl); + assert_int_equal(1, out.mode.vso); + assert_int_equal(0, out.mode.vborder); + assert_int_equal(43, out.mode.phsync); + assert_int_equal(43, out.mode.pvsync); + assert_int_equal(0, out.mode.x_mm); + assert_int_equal(0, out.mode.y_mm); + + assert_int_equal(1, out.mode_is_supported[EDID_MODE_640x480_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_720x480_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_1280x720_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_1920x1080_60Hz]); +} + +/* Frame is modified example of base EDID frame with CEA861 extension + * for DTV Display from VESA E-EDID Standard Release A2. + */ +static int setup_decode_edid_dtv_frame_with_extension(void **state) +{ + struct edid_raw raw = { + EDID_RAW_DEFAULT_PARAMS, + .video_input_type = EDID_DIGITAL_VSI + | EDID_INTERFACE_HDMI_A + | EDID_COLOR_BIT_DEPTH_8B, + .horizontal_size = 16, /* Aspect ratio 16:9 in landscape */ + .vertical_size = 0, /* Landscape flag */ + .display_gamma = 120, /* 220% */ + .supported_features = EDID_STANDBY_MODE(0) + | EDID_SUSPEND_MODE(0) + | EDID_ACTIVE_OFF(0) + | EDID_COLOR_FORMAT_RGB444_YCRCB422_YCRCB422 + | EDID_SRGB_SUPPORTED(1) + | EDID_PREFERRED_TIMING_EXTENDED_INFO + | EDID_DISPLAY_FREQUENCY_NON_CONTINUOUS, + + .established_supported_timings = { + [0] = EDID_ESTABLISHED_TIMINGS_1_640x480_60Hz, + [1] = 0, + }, + .manufacturers_reserved_timing = 0, + .standard_timings_supported = { [0 ... 15] = 0, }, + .descriptor_block_1 = { + [0] = EDID_PIXEL_CLOCK(148500000u) & 0xFF, + [1] = (EDID_PIXEL_CLOCK(148500000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1920px + * Horizontal Blanking is 280px + */ + [2] = 0x80, [3] = 0x18, [4] = 0x71, + + /* Vertical Addressable Video is 1080 lines + * Vertical Blanking is 45 lines + */ + [5] = 0x38, [6] = 0x2D, [7] = 0x40, + + [8] = 88u, /* Horizontal Front Porch in pixels */ + [9] = 44u, /* Horizontal Pulse Sync Width in pixels */ + [10] = 4u, /* Vertical Front Porch is 4 lines */ + [11] = 5u, /* Vertical Sync Pulse Width is 5 lines */ + + /* Horizontal Addressable Image Size is 1039mm + * Vertical Addressable Image Size is 584mm + */ + [12] = 0x0F, [13] = 0x48, [14] = 0x42, + + [15] = 0x00, /* Horizontal border size is 0px*/ + [16] = 0x00, /* Vertical Border Size is 0px */ + + /* Timing is Non-Interlaced Video, + * Stereo Video is not supported, + * Digital separate and syncs are requires. + */ + [17] = 0x1E, + }, + .descriptor_block_2 = { + [0] = EDID_PIXEL_CLOCK(74250000u) & 0xFF, + [1] = (EDID_PIXEL_CLOCK(74250000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1920px + * Horizontal Blanking is 280px + */ + [2] = 0x80, [3] = 0x18, [4] = 0x71, + + /* Vertical Addressable Video is 540 lines + * Vertical Blanking is 22 lines + */ + [5] = 0x1C, [6] = 0x16, [7] = 0x20, + + [8] = 88u, /* Horizontal Front Porch in pixels */ + [9] = 44u, /* Horizontal Pulse Sync Width in pixels */ + [10] = 0x25, /* Vertical Front Porch is 2 lines */ + [11] = 0x00, /* Vertical Sync Pulse Width is 5 lines */ + + /* Horizontal Addressable Image Size is 1039mm + * Vertical Addressable Image Size is 584mm + */ + [12] = 0x0F, [13] = 0x48, [14] = 0x42, + + [15] = 0x00, /* Horizontal border size is 0px*/ + [16] = 0x00, /* Vertical Border Size is 0px */ + + /* Timing is Interlaced Video, + * Stereo Video is not supported, + * Digital separate and syncs are requires. + */ + [17] = 0x9E, + }, + .descriptor_block_3 = { + [0] = EDID_PIXEL_CLOCK(74250000u) & 0xFF, + [1] = (EDID_PIXEL_CLOCK(74250000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1280px + * Horizontal Blanking is 370px + */ + [2] = 0x00, [3] = 0x72, [4] = 0x51, + + /* Vertical Addressable Video is 720 lines + * Vertical Blanking is 30 lines + */ + [5] = 0xD0, [6] = 0x1E, [7] = 0x20, + + [8] = 110u, /* Horizontal Front Porch in pixels */ + [9] = 40u, /* Horizontal Pulse Sync Width in pixels */ + [10] = 0x55u, /* Vertical Front Porch is 5 lines */ + [11] = 0x00, /* Vertical Sync Pulse Width is 5 lines */ + + /* Horizontal Addressable Image Size is 1039mm + * Vertical Addressable Image Size is 584mm + */ + [12] = 0x0F, [13] = 0x48, [14] = 0x42, + + [15] = 0x00, /* Horizontal border size is 0px*/ + [16] = 0x00, /* Vertical Border Size is 0px */ + + /* Timing is Non-Interlaced Video, + * Stereo Video is not supported, + * Digital separate syncs are requires. + */ + [17] = 0x1E, + }, + .descriptor_block_4 = { + /* Display Product Name Block Tag */ + [0] = 0, [1] = 0, [2] = 0, [3] = 0xFC, [4] = 0, + + /* Product name */ + [5] = 'A', + [6] = 'B', + [7] = 'C', + [8] = ' ', + [9] = 'L', + [10] = 'C', + [11] = 'D', + [12] = '4', + [13] = '7', + [14] = 'w', + [15] = '\n', + [16] = ' ', + [17] = ' ', + }, + .extension_flag = 0x0, /* No extensions */ + }; + + edid_raw_calc_checksum(&raw); + + unsigned char ext[128] = { + [0] = 0x02, /* CEA 861 Extension Block Tag Code */ + [1] = 0x03, /* CEA 861 Block Version */ + + [2] = 0x18, /* Detail Timing Descriptors start 0x18 bytes from here */ + + /* Underscan is not supported + * Basic Audio is supported + * YCbCr 4:4:4 & YCbCr 4:2:2 are supported + * Number of native formats: 2 + */ + [3] = 0x72, + + /* Video Data Block Tag Code is 2 + * Number of Short Video Descriptor Bytes i 7 + */ + [4] = 0x47, + + /* 1920x1080p 59.94/60 Hz 16 : 9 AR (CEA Format #16) + * is a supported Native Format. */ + [5] = 0x90, + + /* 1920x1080i 59.94/60 Hz 16 : 9 AR (CEA Format #5) + * is a supported Native Format. */ + [6] = 0x85, + + /* 1280x720p 59.94/60 Hz 16 : 9 AR (CEA Format #4) is a supported format. */ + [7] = 0x04, + + /* 720x480p 59.94/60 Hz 16 : 9 AR (CEA Format #3) is a supported format. */ + [8] = 0x03, + + /* 720x480p 59.94/60 Hz 4 : 3 AR (CEA Format #2) is a supported format. */ + [9] = 0x02, + + /* 720x480i 59.94/60 Hz 16 : 9 AR (CEA Format #7) is a supported format. */ + [10] = 0x07, + + /* 720x480i 59.94/60 Hz 4 : 3 AR (CEA Format #6) is a supported format. */ + [11] = 0x06, + + /* Audio Data Block Tag Code is 1. + * Number of Short Audio Descriptor Bytes is 3. + */ + [12] = 0x23, + + /* Audio Format Tag Code is 1 --- LPCM is supported. + * Maximum number of audio channels is 2 + */ + [13] = 0x09, + + /* Supported Sampling Frequencies include: 48kHz; 44.1kHz & 32kHz. */ + [14] = 0x07, + + /* Supported Sampling Bit Rates include: 24 bit; 20 bit & 16 bit. */ + [15] = 0x07, + + /* Speaker Allocation Block Tag Code is 4. + * Number of Speaker Allocation + * Descriptor Bytes is 3. + */ + [16] = 0x83, + + /* Speaker Allocation is Front-Left & Front-Right */ + [17] = 0x01, + + /* Reserved */ + [18 ... 19] = 0, + + /* Vendor Specific Data Block Tag Code is 3. + * Number of Vendor Specific Data Bytes is 5. + */ + [20] = 0x65, + + /* 24bit IEEE registration Identifier is 0x000C03 */ + [21] = 0x03, [22] = 0x0C, [23] = 0x00, + + /* Vendor Specific Data is 0x10000 */ + [24] = 0x01, [25] = 0x00, + + /* Descriptor Block 5 [18 Bytes] */ + + [26] = EDID_PIXEL_CLOCK(27027000u) & 0xFF, + [27] = (EDID_PIXEL_CLOCK(27027000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 720px. + * Horizontal Blanking is 138 px. + */ + [28] = 0xD0, [29] = 0x8A, [30] = 0x20, + + /* Vertical Addressable Video is 480 lines. + * Vertical Blanking is 45 lines. + */ + [31] = 0xE0, [32] = 0x2D, [33] = 0x10, + + [34] = 16u, /* Horizontal Front Porch in pixels */ + [35] = 62u, /* Horizontal Sync Pulse Width in pixels */ + [36] = 0x96, /* Vertical Front Porch is 9 lines */ + [37] = 0x00, /* Vertical Sync Pulse Width is 6 lines */ + + /* Displayed Image Aspect Ratio is 16:9 */ + [38] = 16u, [39] = 9u, [40] = 0u, + + /* Horizontal and Vertical Border Size is 0 px */ + [41] = 0u, [42] = 0u, + + /* Timing is Interlaced Video + * Stereo Video is not supported + * Digital Separate Syncs are required + */ + [43] = 0x18, + + /* Descriptor Block 6 [18 Bytes] */ + + [44] = EDID_PIXEL_CLOCK(27027000u) & 0xFF, + [45] = (EDID_PIXEL_CLOCK(27027000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 720px. + * Horizontal Blanking is 138 px. + */ + [46] = 0xD0, [47] = 0x8A, [48] = 0x20, + + /* Vertical Addressable Video is 480 lines. + * Vertical Blanking is 45 lines. + */ + [49] = 0xE0, [50] = 0x2D, [51] = 0x10, + + [52] = 16u, /* Horizontal Front Porch in pixels */ + [53] = 62u, /* Horizontal Sync Pulse Width in pixels */ + [54] = 0x96, /* Vertical Front Porch is 9 lines */ + [55] = 0x00, /* Vertical Sync Pulse Width is 6 lines */ + + /* Displayed Image Aspect Ratio is 4:3 */ + [56] = 4u, [57] = 3u, [58] = 0u, + + /* Horizontal and Vertical Border Size is 0 px */ + [59] = 0u, [60] = 0u, + + /* Timing is Interlaced Video + * Stereo Video is not supported + * Digital Separate Syncs are required + */ + [61] = 0x18, + + /* Descriptor Block 7 [18 Bytes] */ + + [62] = EDID_PIXEL_CLOCK(27027000u) & 0xFF, + [63] = (EDID_PIXEL_CLOCK(27027000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1440px. + * Horizontal Blanking is 276 px. + */ + [64] = 0xA0, [65] = 0x14, [66] = 0x51, + + /* Vertical Addressable Video is 240 lines. + * Vertical Blanking is 23 lines. + */ + [67] = 0xF0, [68] = 0x16, [69] = 0x00, + + [70] = 38u, /* Horizontal Front Porch in pixels */ + [71] = 124u, /* Horizontal Sync Pulse Width in pixels */ + [72] = 0x43, /* Vertical Front Porch is 9 lines */ + [73] = 0x00, /* Vertical Sync Pulse Width is 6 lines */ + + /* Displayed Image Aspect Ratio is 16:9 */ + [74] = 16u, [75] = 9u, [76] = 0u, + + /* Horizontal and Vertical Border Size is 0 px */ + [77] = 0u, [78] = 0u, + + /* Timing is Interlaced Video + * Stereo Video is not supported + * Digital Separate Syncs are required + */ + [79] = 0x98, + + /* Descriptor Block 8 [18 Bytes] */ + + [80] = EDID_PIXEL_CLOCK(27027000u) & 0xFF, + [81] = (EDID_PIXEL_CLOCK(27027000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1440px. + * Horizontal Blanking is 276 px. + */ + [82] = 0xA0, [83] = 0x14, [84] = 0x51, + + /* Vertical Addressable Video is 240 lines. + * Vertical Blanking is 23 lines. + */ + [85] = 0xF0, [86] = 0x16, [87] = 0x00, + + [88] = 38u, /* Horizontal Front Porch in pixels */ + [89] = 124u, /* Horizontal Sync Pulse Width in pixels */ + [90] = 0x43, /* Vertical Front Porch is 9 lines */ + [91] = 0x00, /* Vertical Sync Pulse Width is 6 lines */ + + /* Displayed Image Aspect Ratio is 4:3 */ + [92] = 4u, [93] = 3u, [94] = 0u, + + /* Horizontal and Vertical Border Size is 0 px */ + [95] = 0u, [96] = 0u, + + /* Timing is Interlaced Video + * Stereo Video is not supported + * Digital Separate Syncs are required + */ + [97] = 0x98, + + [99 ... 126] = 0 + }; + + ext[127] = get_raw_edid_checksum(ext); + + *state = malloc(sizeof(struct test_state)); + + struct test_state ts = { + .data_size = sizeof(raw) + sizeof(ext), + .data = malloc(sizeof(raw) + sizeof(ext)) + }; + + memcpy(ts.data, &raw, sizeof(raw)); + memcpy(ts.data + sizeof(raw), &ext[0], sizeof(ext)); + + memcpy(*state, &ts, sizeof(ts)); + + return 0; +} + +/* Test decoding of EDID frame with one extension. + */ +static void test_decode_edid_dtv_frame_with_extension(void **state) +{ + struct edid out; + struct test_state *ts = *state; + + /* In real-life situations frames often are not 100% conformant, + * but are at least correct when it comes to key data fields. + */ + assert_int_equal(EDID_CONFORMANT, + decode_edid((unsigned char *)ts->data, ts->data_size, &out)); + + assert_int_equal(32, out.framebuffer_bits_per_pixel); + assert_int_equal(8, out.panel_bits_per_color); + assert_int_equal(24, out.panel_bits_per_pixel); + assert_int_equal(0, out.link_clock); + assert_int_equal(1920, out.x_resolution); + assert_int_equal(1080, out.y_resolution); + assert_int_equal(7680, out.bytes_per_line); + assert_int_equal(1, out.hdmi_monitor_detected); + assert_int_equal(0, strnlen(out.ascii_string, ARRAY_SIZE(out.ascii_string))); + assert_string_equal(out.manufacturer_name, EDID_MANUFACTURER_NAME); + + /* Mode */ + assert_null(out.mode.name); + assert_int_equal(148500, out.mode.pixel_clock); + assert_int_equal(1, out.mode.lvds_dual_channel); + assert_int_equal(0, out.mode.refresh); + assert_int_equal(1920, out.mode.ha); + assert_int_equal(280, out.mode.hbl); + assert_int_equal(88, out.mode.hso); + assert_int_equal(44, out.mode.hspw); + assert_int_equal(0, out.mode.hborder); + assert_int_equal(1080, out.mode.va); + assert_int_equal(45, out.mode.vbl); + assert_int_equal(16, out.mode.vso); + assert_int_equal(0, out.mode.vborder); + assert_int_equal(43, out.mode.phsync); + assert_int_equal(43, out.mode.pvsync); + assert_int_equal(0, out.mode.x_mm); + assert_int_equal(0, out.mode.y_mm); + + assert_int_equal(1, out.mode_is_supported[EDID_MODE_640x480_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_720x480_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_1280x720_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_1920x1080_60Hz]); +} + + +/* Test decoding of EDID frame with one extension. Tested frame is modified + * example of base EDID frame with CEA861 extension for IT/DTV Display from + * VESA E-EDID Standard Release A2. + */ +static int setup_decode_edid_it_dtv_frame_with_extension(void **state) +{ + struct edid_raw raw = { + EDID_RAW_DEFAULT_PARAMS, + .video_input_type = EDID_DIGITAL_VSI + | EDID_INTERFACE_HDMI_A + | EDID_COLOR_BIT_DEPTH_8B, + .horizontal_size = 121, /* Aspect ratio 16:9 in landscape */ + .vertical_size = 68, /* Landscape flag */ + .display_gamma = 120, /* 220% */ + .supported_features = EDID_STANDBY_MODE(0) + | EDID_SUSPEND_MODE(0) + | EDID_ACTIVE_OFF(0) + | EDID_COLOR_FORMAT_RGB444_YCRCB422_YCRCB422 + | EDID_SRGB_SUPPORTED(1) + | EDID_PREFERRED_TIMING_EXTENDED_INFO + | EDID_DISPLAY_FREQUENCY_NON_CONTINUOUS, + .established_supported_timings = { + [0] = EDID_ESTABLISHED_TIMINGS_1_800x600_60Hz + | EDID_ESTABLISHED_TIMINGS_1_800x600_56Hz + | EDID_ESTABLISHED_TIMINGS_1_640x480_75Hz + | EDID_ESTABLISHED_TIMINGS_1_640x480_72Hz + | EDID_ESTABLISHED_TIMINGS_1_640x480_67Hz + | EDID_ESTABLISHED_TIMINGS_1_640x480_60Hz + | EDID_ESTABLISHED_TIMINGS_1_720x400_88Hz + | EDID_ESTABLISHED_TIMINGS_1_720x400_70Hz, + [1] = EDID_ESTABLISHED_TIMINGS_2_1280x1024_75Hz + | EDID_ESTABLISHED_TIMINGS_2_1024x768_75Hz + | EDID_ESTABLISHED_TIMINGS_2_1024x768_70Hz + | EDID_ESTABLISHED_TIMINGS_2_1024x768_60Hz + | EDID_ESTABLISHED_TIMINGS_2_832x624_75Hz + | EDID_ESTABLISHED_TIMINGS_2_800x600_75Hz + | EDID_ESTABLISHED_TIMINGS_2_800x600_72Hz, + }, + .manufacturers_reserved_timing = EDID_MANUFACTURERS_TIMINGS_1152x870_75Hz, + .standard_timings_supported = { + [0] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1280), + [1] = EDID_ASPECT_RATIO_5_4 | EDID_FIELD_REFRESH_RATE(85), + + [2] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1280), + [3] = EDID_ASPECT_RATIO_5_4 | EDID_FIELD_REFRESH_RATE(60), + + [4] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1280), + [5] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(85), + + [6] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1280), + [7] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(60), + + [8] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(1024), + [9] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(85), + + [10] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(848), + [11] = EDID_ASPECT_RATIO_16_9 | EDID_FIELD_REFRESH_RATE(60), + + [12] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(800), + [13] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(60), + + [14] = EDID_HORIZONTAL_ACCESSIBLE_PIXELS(640), + [15] = EDID_ASPECT_RATIO_4_3 | EDID_FIELD_REFRESH_RATE(60), + }, + .descriptor_block_1 = { + [0] = EDID_PIXEL_CLOCK(85500000u) & 0xFF, + [1] = (EDID_PIXEL_CLOCK(85500000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1360px + * Horizontal Blanking is 432px + */ + [2] = 0x50, [3] = 0xB0, [4] = 0x51, + + /* Vertical Addressable Video is 768 lines + * Vertical Blanking is 27 lines + */ + [5] = 0x00, [6] = 0x1B, [7] = 0x30, + + [8] = 64u, /* Horizontal Front Porch in pixels */ + [9] = 112u, /* Horizontal Pulse Sync Width in pixels */ + [10] = 0x36, /* Vertical Front Porch is 3 lines */ + [11] = 0u, /* Vertical Sync Pulse Width is 6 lines */ + + /* Horizontal Addressable Image Size is 1214mm + * Vertical Addressable Image Size is 683mm + */ + [12] = 0xBE, [13] = 0xAB, [14] = 0x42, + + [15] = 0x00, /* Horizontal border size is 0px*/ + [16] = 0x00, /* Vertical Border Size is 0px */ + + /* Timing is Non-Interlaced Video, + * Stereo Video is not supported, + * Digital separate and syncs are requires. + */ + [17] = 0x1E, + }, + .descriptor_block_2 = { + [0] = EDID_PIXEL_CLOCK(74250000u) & 0xFF, + [1] = (EDID_PIXEL_CLOCK(74250000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1280px + * Horizontal Blanking is 370px + */ + [2] = 0x00, [3] = 0x72, [4] = 0x51, + + /* Vertical Addressable Video is 720 lines + * Vertical Blanking is 30 lines + */ + [5] = 0xD0, [6] = 0x1E, [7] = 0x20, + + [8] = 110u, /* Horizontal Front Porch in pixels */ + [9] = 40u, /* Horizontal Pulse Sync Width in pixels */ + [10] = 0x55, /* Vertical Front Porch is 5 lines */ + [11] = 0x00, /* Vertical Sync Pulse Width is 5 lines */ + + /* Horizontal Addressable Image Size is 1214mm + * Vertical Addressable Image Size is 683mm + */ + [12] = 0xBE, [13] = 0xAB, [14] = 0x42, + + [15] = 0x00, /* Horizontal border size is 0px*/ + [16] = 0x00, /* Vertical Border Size is 0px */ + + /* Timing is Non-Interlaced Video, + * Stereo Video is not supported, + * Digital separate and syncs are requires. + */ + [17] = 0x1E, + }, + .descriptor_block_3 = { + /* Established timings III Block Tag */ + [0 ... 2] = 0u, [3] = 0xF7, [4] = 0u, + + /* + * VESA DMT Standard Version #10 + */ + [5] = 10u, + + /* 640x350@85Hz, + * 640x400@85Hz, + * 720x400@85Hz, + * 640x480@85Hz, + * 800x600@85Hz, + * 1024x768@85Hz, + * 1152x864@75Hz are supported. + */ + [6] = 0x7F, + + /* 1280x960@60Hz, + * 1280x960@85Hz, + * 1280x1024@60Hz, + * 1280x1024@85Hz + */ + [7] = 0x0F, + + /* 1400x1050@60Hz (Normal Blanking), + * 1400x1050@75Hz are supported. + */ + [8] = 0x03, + + /* 1400x1050@85Hz, + * 1600x1200@60Hz, + * 1600x1200@65Hz, + * 1600x1200@70Hz are supported. + */ + [9] = 0x87, + + /* 1600x1200@75Hz, + * 1600x1200@85Hz are supported. + */ + [10] = 0xC0, + + /* 1920 PC Timings are not supported. */ + [11] = 0u, + + /* Reserved */ + [12 ... 17] = 0, + }, + .descriptor_block_4 = { + /* Display Product Name Block Tag */ + [0] = 0, [1] = 0, [2] = 0, [3] = 0xFC, [4] = 0, + + /* Product name */ + [5] = 'A', + [6] = 'B', + [7] = 'C', + [8] = ' ', + [9] = 'P', + [10] = 'L', + [11] = 'A', + [12] = '5', + [13] = '5', + [14] = '\n', + [15] = ' ', + [16] = ' ', + [17] = ' ', + }, + .extension_flag = 0x0, /* No extensions */ + }; + + edid_raw_calc_checksum(&raw); + + unsigned char ext[128] = { + [0] = 0x02, /* CEA 861 Extension Block Tag Code */ + [1] = 0x03, /* CEA 861 Block Version */ + [2] = 0x17, /* Detail Timing Descriptors start 0x17 bytesfrom here */ + + /* Underscan is supported + * Basic Audio is supported + * YCbCr 4:4:4 & YCbCr 4:2:2 are supported + * Number of native formats: 0 + */ + [3] = 0xF0, + + /* Video Data Block Tag Code is 2 + * Number of Short Video Descriptor Bytes i 6 + */ + [4] = 0x46, + + /* 1920x1080i 59.94/60 Hz 16 : 9 AR (CEA Format #5) is a supported format. */ + [5] = 0x05, + + /* 1280x720p 59.94/60 Hz 16 : 9 AR (CEA Format #4) is a supported format. */ + [6] = 0x04, + + /* 720x480p 59.94/60 Hz 16 : 9 AR (CEA Format #3) is a supported format. */ + [7] = 0x03, + + /* 720x480p 59.94/60 Hz 4 : 3 AR (CEA Format #2) is a supported format. */ + [8] = 0x02, + + /* 720x480i 59.94/60 Hz 16 : 9 AR (CEA Format #7) is a supported format. */ + [9] = 0x07, + + /* 720x480i 59.94/60 Hz 4 : 3 AR (CEA Format #6) is a supported format. */ + [10] = 0x06, + + /* Audio Data Block Tag Code is 1. + * Number of Short Audio Descriptor Bytes is 3. + */ + [11] = 0x23, + + /* Audio Format Tag Code is 1 --- LPCM is supported. + * Maximum number of audio channels is 2 + */ + [12] = 0x09, + + /* Supported Sampling Frequencies include: 48kHz; 44.1kHz & 32kHz. */ + [13] = 0x07, + + /* Supported Sampling Bit Rates include: 24 bit; 20 bit & 16 bit. */ + [14] = 0x07, + + /* Speaker Allocation Block Tag Code is 4. + * Number of Speaker Allocation + * Descriptor Bytes is 3. + */ + [15] = 0x83, + + /* Speaker Allocation is Front-Left & Front-Right */ + [16] = 0x01, + + /* Reserved */ + [17 ... 18] = 0, + + /* Vendor Specific Data Block Tag Code is 3. + * Number of Vendor Specific Data Bytes is 5. + */ + [19] = 0x65, + + /* 24bit IEEE registration Identifier is 0x000C03 */ + [20] = 0x03, [21] = 0x0C, [22] = 0x00, + + /* Vendor Specific Data is 0x10000 */ + [23] = 0x01, [24] = 0x00, + + /* Descriptor Block 5 [18 Bytes] */ + + [25] = EDID_PIXEL_CLOCK(74250000u) & 0xFF, + [26] = (EDID_PIXEL_CLOCK(74250000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1920px. + * Horizontal Blanking is 280px. + */ + [27] = 0x80, [28] = 0x18, [29] = 0x71, + + /* Vertical Addressable Video is 540 lines. + * Vertical Blanking is 22 lines. + */ + [30] = 0x1C, [31] = 0x16, [32] = 0x20, + + [33] = 88u, /* Horizontal Front Porch in pixels */ + [34] = 44u, /* Horizontal Sync Pulse Width in pixels */ + [35] = 0x25, /* Vertical Front Porch is 2 lines */ + [36] = 0x00, /* Vertical Sync Pulse Width is 5 lines */ + + /* Image size: 1039mm x 584mm */ + [37] = 0x0F, [38] = 0x48, [39] = 0x42, + + /* Horizontal and Vertical Border Size is 0 px */ + [40] = 0u, [41] = 0u, + + /* Timing is Interlaced Video + * Stereo Video is not supported + * Digital Separate Syncs are required + */ + [42] = 0x9E, + + /* Descriptor Block 6 [18 Bytes] */ + + [43] = EDID_PIXEL_CLOCK(74250000u) & 0xFF, + [44] = (EDID_PIXEL_CLOCK(74250000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1280px. + * Horizontal Blanking is 370 px. + */ + [45] = 0x00, [46] = 0x72, [47] = 0x51, + + /* Vertical Addressable Video is 720 lines. + * Vertical Blanking is 30 lines. + */ + [48] = 0xD0, [49] = 0x1E, [50] = 0x20, + + [51] = 110u, /* Horizontal Front Porch in pixels */ + [52] = 40u, /* Horizontal Sync Pulse Width in pixels */ + [53] = 0x55, /* Vertical Front Porch is 5 lines */ + [54] = 0x00, /* Vertical Sync Pulse Width is 5 lines */ + + /* Image size: 1039mm x 584mm */ + [55] = 0x0F, [56] = 0x48, [57] = 0x42, + + /* Horizontal and Vertical Border Size is 0 px */ + [58] = 0u, [59] = 0u, + + /* Timing is Non-Interlaced Video + * Stereo Video is not supported + * Digital Separate Syncs are required + */ + [60] = 0x1E, + + /* Descriptor Block 7 [18 Bytes] */ + + [61] = EDID_PIXEL_CLOCK(27000000u) & 0xFF, + [62] = (EDID_PIXEL_CLOCK(27000000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1440px. + * Horizontal Blanking is 276 px. + */ + [63] = 0xA0, [64] = 0x14, [65] = 0x51, + + /* Vertical Addressable Video is 240 lines. + * Vertical Blanking is 23 lines. + */ + [66] = 0xF0, [67] = 0x16, [68] = 0x00, + + [69] = 38u, /* Horizontal Front Porch in pixels */ + [70] = 124u, /* Horizontal Sync Pulse Width in pixels */ + [71] = 0x43, /* Vertical Front Porch is 4 lines */ + [72] = 0x00, /* Vertical Sync Pulse Width is 3 lines */ + + /* Image size: 1039mm x 584mm */ + [73] = 0x0F, [74] = 0x48, [75] = 0x42, + + /* Horizontal and Vertical Border Size is 0 px */ + [76] = 0u, [77] = 0u, + + /* Timing is Interlaced Video + * Stereo Video is not supported + * Digital Separate Syncs are required + */ + [78] = 0x18, + + /* Descriptor Block 8 [18 Bytes] */ + + [79] = EDID_PIXEL_CLOCK(27027000u) & 0xFF, + [80] = (EDID_PIXEL_CLOCK(27027000u) >> 8) & 0xFF, + + /* Horizontal Addressable Video is 1440px. + * Horizontal Blanking is 276 px. + */ + [81] = 0xA0, [82] = 0x14, [83] = 0x51, + + /* Vertical Addressable Video is 240 lines. + * Vertical Blanking is 23 lines. + */ + [84] = 0xF0, [85] = 0x16, [86] = 0x00, + + [87] = 38u, /* Horizontal Front Porch in pixels */ + [88] = 124u, /* Horizontal Sync Pulse Width in pixels */ + [89] = 0x43, /* Vertical Front Porch is 4 lines */ + [90] = 0x00, /* Vertical Sync Pulse Width is 3 lines */ + + /* Image size: 1039mm x 584mm */ + [91] = 0x0F, [92] = 0x48, [93] = 0x42, + + /* Horizontal and Vertical Border Size is 0 px */ + [94] = 0u, [95] = 0u, + + /* Timing is Interlaced Video + * Stereo Video is not supported + * Digital Separate Syncs are required + */ + [96] = 0x98, + + [97 ... 126] = 0, + }; + + ext[127] = get_raw_edid_checksum(ext); + + *state = malloc(sizeof(struct test_state)); + + struct test_state ts = { + .data_size = sizeof(raw) + sizeof(ext), + .data = malloc(sizeof(raw) + sizeof(ext)) + }; + + memcpy(ts.data, &raw, sizeof(raw)); + memcpy(ts.data + sizeof(raw), &ext[0], sizeof(ext)); + + memcpy(*state, &ts, sizeof(ts)); + + return 0; +} + +static void test_decode_edid_it_dtv_frame_with_extension(void **state) +{ + struct edid out; + struct test_state *ts = *state; + + /* In real-life situations frames often are not 100% conformant, + * but are at least correct when it comes to key data fields. + */ + assert_int_equal(EDID_CONFORMANT, + decode_edid((unsigned char *)ts->data, ts->data_size, &out)); + + assert_int_equal(32, out.framebuffer_bits_per_pixel); + assert_int_equal(8, out.panel_bits_per_color); + assert_int_equal(24, out.panel_bits_per_pixel); + assert_int_equal(0, out.link_clock); + assert_int_equal(1360, out.x_resolution); + assert_int_equal(768, out.y_resolution); + assert_int_equal(5440, out.bytes_per_line); + assert_int_equal(1, out.hdmi_monitor_detected); + assert_int_equal(0, strnlen(out.ascii_string, ARRAY_SIZE(out.ascii_string))); + assert_string_equal(out.manufacturer_name, EDID_MANUFACTURER_NAME); + + /* Mode */ + assert_null(out.mode.name); + assert_int_equal(85500, out.mode.pixel_clock); + assert_int_equal(0, out.mode.lvds_dual_channel); + assert_int_equal(0, out.mode.refresh); + assert_int_equal(1360, out.mode.ha); + assert_int_equal(432, out.mode.hbl); + assert_int_equal(64, out.mode.hso); + assert_int_equal(112, out.mode.hspw); + assert_int_equal(0, out.mode.hborder); + assert_int_equal(768, out.mode.va); + assert_int_equal(27, out.mode.vbl); + assert_int_equal(3, out.mode.vso); + assert_int_equal(0, out.mode.vborder); + assert_int_equal(43, out.mode.phsync); + assert_int_equal(43, out.mode.pvsync); + assert_int_equal(0, out.mode.x_mm); + assert_int_equal(0, out.mode.y_mm); + + assert_int_equal(1, out.mode_is_supported[EDID_MODE_640x480_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_720x480_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_1280x720_60Hz]); + assert_int_equal(0, out.mode_is_supported[EDID_MODE_1920x1080_60Hz]); +} + +static int teardown_edid_test(void **state) +{ + struct test_state *ts; + + if (*state == NULL) + return 0; + + ts = (struct test_state *)*state; + + free(ts->data); + free(ts); + + return 0; +} + +static void test_edid_set_framebuffer_bits_per_pixel(void **state) +{ + struct edid out; + struct test_state *ts = *state; + + decode_edid((unsigned char *)ts->data, ts->data_size, &out); + + edid_set_framebuffer_bits_per_pixel(&out, 16, 2); + + assert_int_equal(16, out.framebuffer_bits_per_pixel); + assert_int_equal(out.mode.ha * 2, out.bytes_per_line); + assert_int_equal(out.bytes_per_line / (16 / 8), out.x_resolution); + assert_int_equal(out.mode.va, out.y_resolution); + + edid_set_framebuffer_bits_per_pixel(&out, 24, 4); + + assert_int_equal(24, out.framebuffer_bits_per_pixel); + assert_int_equal(out.mode.ha * 3, out.bytes_per_line); + assert_int_equal(out.bytes_per_line / (24 / 8), out.x_resolution); + assert_int_equal(out.mode.va, out.y_resolution); + + edid_set_framebuffer_bits_per_pixel(&out, 32, 4); + + assert_int_equal(32, out.framebuffer_bits_per_pixel); + assert_int_equal(out.mode.ha * 4, out.bytes_per_line); + assert_int_equal(out.bytes_per_line / (32 / 8), out.x_resolution); + assert_int_equal(out.mode.va, out.y_resolution); +} + +int main(void) +{ + const struct CMUnitTest tests[] = { + cmocka_unit_test(test_decode_edid_no_edid), + cmocka_unit_test(test_decode_edid_invalid_header), + cmocka_unit_test_setup_teardown(test_decode_edid_basic_frame, + setup_decode_edid_basic_frame, + teardown_edid_test), + cmocka_unit_test_setup_teardown(test_decode_edid_dtv_frame_with_extension, + setup_decode_edid_dtv_frame_with_extension, + teardown_edid_test), + cmocka_unit_test_setup_teardown(test_decode_edid_it_dtv_frame_with_extension, + setup_decode_edid_it_dtv_frame_with_extension, + teardown_edid_test), + cmocka_unit_test_setup_teardown(test_edid_set_framebuffer_bits_per_pixel, + setup_decode_edid_basic_frame, + teardown_edid_test), + }; + + return cmocka_run_group_tests(tests, NULL, NULL); +} + diff --git a/tests/stubs/console.c b/tests/stubs/console.c index b6a75831b5..0f1dc24725 100644 --- a/tests/stubs/console.c +++ b/tests/stubs/console.c @@ -1,6 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include <console/console.h> +#include <stdarg.h> +#include <stdio.h> int do_printk(int msg_level, const char *fmt, ...) { @@ -11,3 +13,8 @@ int do_vprintk(int msg_level, const char *fmt, va_list args) { return 0; } + +int console_log_level(int msg_level) +{ + return 0; +} |