From 632a7acb03f4c4b8d06fdf7f8d7839db27cde538 Mon Sep 17 00:00:00 2001 From: Scott Anderson Date: Thu, 8 Jun 2017 00:39:40 +1200 Subject: [PATCH] Filled out more wlr_output fields. --- backend/drm/drm.c | 119 ++++++++++++++++++++++++++++++++------ example/main.c | 3 + include/backend/drm/drm.h | 1 - include/wlr/types.h | 7 +-- types/wlr_output.c | 2 - 5 files changed, 107 insertions(+), 25 deletions(-) diff --git a/backend/drm/drm.c b/backend/drm/drm.c index 2523eaf0..d949cca8 100644 --- a/backend/drm/drm.c +++ b/backend/drm/drm.c @@ -150,14 +150,14 @@ static bool display_init_renderer(struct wlr_drm_renderer *renderer, output->gbm = gbm_surface_create(renderer->gbm, mode->width, mode->height, GBM_FORMAT_XRGB8888, GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); if (!output->gbm) { - wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", output->name, + wlr_log(L_ERROR, "Failed to create GBM surface for %s: %s", output->wlr_output->name, strerror(errno)); return false; } output->egl = wlr_egl_create_surface(&renderer->egl, output->gbm); if (output->egl == EGL_NO_SURFACE) { - wlr_log(L_ERROR, "Failed to create EGL surface for %s", output->name); + wlr_log(L_ERROR, "Failed to create EGL surface for %s", output->wlr_output->name); return false; } @@ -183,7 +183,7 @@ static bool wlr_drm_output_set_mode(struct wlr_output_state *output, struct wlr_backend_state *state = wl_container_of(output->renderer, state, renderer); - wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u mHz'", output->name, + wlr_log(L_INFO, "Modesetting '%s' with '%ux%u@%u mHz'", output->wlr_output->name, mode->width, mode->height, mode->refresh); drmModeConnector *conn = drmModeGetConnector(state->fd, output->connector); @@ -193,7 +193,7 @@ static bool wlr_drm_output_set_mode(struct wlr_output_state *output, } if (conn->connection != DRM_MODE_CONNECTED || conn->count_modes == 0) { - wlr_log(L_ERROR, "%s is not connected", output->name); + wlr_log(L_ERROR, "%s is not connected", output->wlr_output->name); goto error; } @@ -228,7 +228,7 @@ static bool wlr_drm_output_set_mode(struct wlr_output_state *output, drmModeFreeResources(res); if (!success) { - wlr_log(L_ERROR, "Failed to find CRTC for %s", output->name); + wlr_log(L_ERROR, "Failed to find CRTC for %s", output->wlr_output->name); goto error; } @@ -238,7 +238,7 @@ static bool wlr_drm_output_set_mode(struct wlr_output_state *output, output->wlr_output->current_mode = mode; if (!display_init_renderer(&state->renderer, output)) { - wlr_log(L_ERROR, "Failed to initalise renderer for %s", output->name); + wlr_log(L_ERROR, "Failed to initalise renderer for %s", output->wlr_output->name); goto error; } @@ -298,6 +298,87 @@ static int32_t calculate_refresh_rate(drmModeModeInfo *mode) { return refresh; } +// Constructed from http://edid.tv/manufacturer +const char *get_manufacturer(uint16_t id) { +#define ID(a, b, c) ((a & 0x1f) << 10) | ((b & 0x1f) << 5) | (c & 0x1f) + switch (id) { + case ID('A', 'A', 'A'): return "Avolites Ltd"; + case ID('A', 'C', 'I'): return "Ancor Communications Inc"; + case ID('A', 'C', 'R'): return "Acer Technologies"; + case ID('A', 'P', 'P'): return "Apple Computer Inc"; + case ID('B', 'N', 'O'): return "Bang & Olufsen"; + case ID('C', 'M', 'N'): return "Chimei Innolux Corporation"; + case ID('C', 'M', 'O'): return "Chi Mei Optoelectronics corp."; + case ID('C', 'R', 'O'): return "Extraordinary Technologies PTY Limited"; + case ID('D', 'E', 'L'): return "Dell Inc."; + case ID('D', 'O', 'N'): return "DENON, Ltd."; + case ID('E', 'N', 'C'): return "Eizo Nanao Corporation"; + case ID('E', 'P', 'H'): return "Epiphan Systems Inc."; + case ID('F', 'U', 'S'): return "Fujitsu Siemens Computers GmbH"; + case ID('G', 'S', 'M'): return "Goldstar Company Ltd"; + case ID('H', 'I', 'Q'): return "Kaohsiung Opto Electronics Americas, Inc."; + case ID('H', 'S', 'D'): return "HannStar Display Corp"; + case ID('H', 'W', 'P'): return "Hewlett Packard"; + case ID('I', 'N', 'T'): return "Interphase Corporation"; + case ID('I', 'V', 'M'): return "Iiyama North America"; + case ID('L', 'E', 'N'): return "Lenovo Group Limited"; + case ID('M', 'A', 'X'): return "Rogen Tech Distribution Inc"; + case ID('M', 'E', 'G'): return "Abeam Tech Ltd"; + case ID('M', 'E', 'I'): return "Panasonic Industry Company"; + case ID('M', 'T', 'C'): return "Mars-Tech Corporation"; + case ID('M', 'T', 'X'): return "Matrox"; + case ID('N', 'E', 'C'): return "NEC Corporation"; + case ID('O', 'N', 'K'): return "ONKYO Corporation"; + case ID('O', 'R', 'N'): return "ORION ELECTRIC CO., LTD."; + case ID('O', 'T', 'M'): return "Optoma Corporation"; + case ID('O', 'V', 'R'): return "Oculus VR, Inc."; + case ID('P', 'H', 'L'): return "Philips Consumer Electronics Company"; + case ID('P', 'I', 'O'): return "Pioneer Electronic Corporation"; + case ID('P', 'N', 'R'): return "Planar Systems, Inc."; + case ID('Q', 'D', 'S'): return "Quanta Display Inc."; + case ID('S', 'A', 'M'): return "Samsung Electric Company"; + case ID('S', 'E', 'C'): return "Seiko Epson Corporation"; + case ID('S', 'H', 'P'): return "Sharp Corporation"; + case ID('S', 'I', 'I'): return "Silicon Image, Inc."; + case ID('S', 'N', 'Y'): return "Sony"; + case ID('T', 'O', 'P'): return "Orion Communications Co., Ltd."; + case ID('T', 'S', 'B'): return "Toshiba America Info Systems Inc"; + case ID('T', 'S', 'T'): return "Transtream Inc"; + case ID('U', 'N', 'K'): return "Unknown"; + case ID('V', 'I', 'Z'): return "VIZIO, Inc"; + case ID('V', 'S', 'C'): return "ViewSonic Corporation"; + case ID('Y', 'M', 'H'): return "Yamaha Corporation"; + default: return "Unknown"; + } +#undef ID +} + +/* See https://en.wikipedia.org/wiki/Extended_Display_Identification_Data for layout of EDID data. + * We don't parse the EDID properly. We just expect to receive valid data. + */ +static void parse_edid(struct wlr_output *restrict output, const uint8_t *restrict data) { + uint32_t id = (data[8] << 8) | data[9]; + snprintf(output->make, sizeof(output->make), "%s", get_manufacturer(id)); + + output->phys_width = ((data[68] & 0xf0) << 4) | data[66]; + output->phys_height = ((data[68] & 0x0f) << 8) | data[67]; + + for (size_t i = 72; i <= 108; i += 18) { + uint16_t flag = (data[i] << 8) | data[i + 1]; + if (flag == 0 && data[i + 3] == 0xFC) { + sprintf(output->model, "%.13s", &data[i + 5]); + + // Monitor names are terminated by newline if they're too short + char *nl = strchr(output->model, '\n'); + if (nl) { + *nl = '\0'; + } + + break; + } + } +} + static void scan_property_ids(int fd, drmModeConnector *conn, struct wlr_output_state *output) { for (int i = 0; i < conn->count_props; ++i) { @@ -306,16 +387,18 @@ static void scan_property_ids(int fd, drmModeConnector *conn, continue; } - // I think this is guranteed to exist if (strcmp(prop->name, "DPMS") == 0) { output->props.dpms = prop->prop_id; + } else if (strcmp(prop->name, "EDID") == 0) { + drmModePropertyBlobRes *edid = drmModeGetPropertyBlob(fd, conn->prop_values[i]); + if (!edid) { + drmModeFreeProperty(prop); + continue; + } - /* There may be more properties we want to get, - * but since it's currently only this, we exit early - */ + parse_edid(output->wlr_output, edid->data); - drmModeFreeProperty(prop); - break; + drmModeFreePropertyBlob(edid); } drmModeFreeProperty(prop); @@ -363,7 +446,7 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) { output->connector = id; // TODO: Populate more wlr_output fields // TODO: Move this to wlr_output->name - snprintf(output->name, sizeof(output->name), "%s-%"PRIu32, + snprintf(wlr_output->name, sizeof(wlr_output->name), "%s-%"PRIu32, conn_name[conn->connector_type], conn->connector_type_id); @@ -376,7 +459,7 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) { scan_property_ids(state->fd, conn, output); list_add(state->outputs, output); - wlr_log(L_INFO, "Found display '%s'", output->name); + wlr_log(L_INFO, "Found display '%s'", wlr_output->name); } else { output = state->outputs->items[index]; wlr_output = output->wlr_output; @@ -386,7 +469,7 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) { if (output->state == DRM_OUTPUT_DISCONNECTED && conn->connection == DRM_MODE_CONNECTED) { - wlr_log(L_INFO, "'%s' connected", output->name); + wlr_log(L_INFO, "'%s' connected", output->wlr_output->name); wlr_log(L_INFO, "Detected modes:"); for (int i = 0; i < conn->count_modes; ++i) { @@ -407,12 +490,12 @@ void wlr_drm_scan_connectors(struct wlr_backend_state *state) { } output->state = DRM_OUTPUT_NEEDS_MODESET; - wlr_log(L_INFO, "Sending modesetting signal for '%s'", output->name); + wlr_log(L_INFO, "Sending modesetting signal for '%s'", output->wlr_output->name); wl_signal_emit(&state->backend->events.output_add, wlr_output); } else if (output->state == DRM_OUTPUT_CONNECTED && conn->connection != DRM_MODE_CONNECTED) { - wlr_log(L_INFO, "'%s' disconnected", output->name); + wlr_log(L_INFO, "'%s' disconnected", output->wlr_output->name); wlr_drm_output_cleanup(output, false); } @@ -487,7 +570,7 @@ void wlr_drm_output_cleanup(struct wlr_output_state *output, bool restore) { if (restore) { restore_output(output, renderer->fd); } - wlr_log(L_INFO, "Emmiting destruction signal for '%s'", output->name); + wlr_log(L_INFO, "Emmiting destruction signal for '%s'", output->wlr_output->name); wl_signal_emit(&state->backend->events.output_remove, output->wlr_output); break; case DRM_OUTPUT_DISCONNECTED: diff --git a/example/main.c b/example/main.c index 27d598e6..87999e11 100644 --- a/example/main.c +++ b/example/main.c @@ -2,6 +2,7 @@ #include #include #include +#include #include #include #include @@ -54,6 +55,8 @@ void output_add(struct wl_listener *listener, void *data) { struct wlr_output *output = data; struct state *state = wl_container_of(listener, state, output_add); fprintf(stderr, "Output '%s' added\n", output->name); + fprintf(stderr, "%s %s %"PRId32"mm x %"PRId32"mm\n", output->make, output->model, + output->phys_width, output->phys_height); wlr_output_set_mode(output, output->modes->items[0]); struct output_state *ostate = calloc(1, sizeof(struct output_state)); ostate->output = output; diff --git a/include/backend/drm/drm.h b/include/backend/drm/drm.h index 004f3a10..2d063adb 100644 --- a/include/backend/drm/drm.h +++ b/include/backend/drm/drm.h @@ -34,7 +34,6 @@ struct wlr_output_state { struct wlr_output *wlr_output; enum wlr_drm_output_state state; uint32_t connector; - char name[16]; struct { uint32_t dpms; diff --git a/include/wlr/types.h b/include/wlr/types.h index 4870b84c..02c2f087 100644 --- a/include/wlr/types.h +++ b/include/wlr/types.h @@ -22,11 +22,10 @@ struct wlr_output { struct wlr_output_state *state; uint32_t flags; - char *name; - char *make; - char *model; + char name[16]; + char make[48]; + char model[16]; uint32_t scale; - int32_t x, y; int32_t phys_width, phys_height; // mm int32_t subpixel; // enum wl_output_subpixel int32_t transform; // enum wl_output_transform diff --git a/types/wlr_output.c b/types/wlr_output.c index 826404a1..a9f91c4d 100644 --- a/types/wlr_output.c +++ b/types/wlr_output.c @@ -17,8 +17,6 @@ struct wlr_output *wlr_output_create(struct wlr_output_impl *impl, void wlr_output_destroy(struct wlr_output *output) { if (!output) return; output->impl->destroy(output->state); - if (output->make) free(output->make); - if (output->model) free(output->model); for (size_t i = 0; output->modes && i < output->modes->length; ++i) { free(output->modes->items[i]); }