Lines Matching refs:epd
200 static void repaper_even_pixels(struct repaper_epd *epd, u8 **pp, in repaper_even_pixels() argument
206 for (b = 0; b < (epd->width / 8); b++) { in repaper_even_pixels()
246 static void repaper_odd_pixels(struct repaper_epd *epd, u8 **pp, in repaper_odd_pixels() argument
252 for (b = epd->width / 8; b > 0; b--) { in repaper_odd_pixels()
296 static void repaper_all_pixels(struct repaper_epd *epd, u8 **pp, in repaper_all_pixels() argument
302 for (b = epd->width / 8; b > 0; b--) { in repaper_all_pixels()
340 static void repaper_one_line(struct repaper_epd *epd, unsigned int line, in repaper_one_line() argument
344 u8 *p = epd->line_buffer; in repaper_one_line()
347 repaper_spi_mosi_low(epd->spi); in repaper_one_line()
349 if (epd->pre_border_byte) in repaper_one_line()
352 if (epd->middle_scan) { in repaper_one_line()
354 repaper_odd_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
357 for (b = epd->bytes_per_scan; b > 0; b--) { in repaper_one_line()
365 repaper_even_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
371 for (b = 0; b < epd->bytes_per_scan; b++) { in repaper_one_line()
379 repaper_all_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
385 for (b = epd->bytes_per_scan; b > 0; b--) { in repaper_one_line()
393 switch (epd->border_byte) { in repaper_one_line()
415 repaper_write_buf(epd->spi, 0x0a, epd->line_buffer, in repaper_one_line()
416 p - epd->line_buffer); in repaper_one_line()
419 repaper_write_val(epd->spi, 0x02, 0x07); in repaper_one_line()
421 repaper_spi_mosi_low(epd->spi); in repaper_one_line()
424 static void repaper_frame_fixed(struct repaper_epd *epd, u8 fixed_value, in repaper_frame_fixed() argument
429 for (line = 0; line < epd->height; line++) in repaper_frame_fixed()
430 repaper_one_line(epd, line, NULL, fixed_value, NULL, stage); in repaper_frame_fixed()
433 static void repaper_frame_data(struct repaper_epd *epd, const u8 *image, in repaper_frame_data() argument
439 for (line = 0; line < epd->height; line++) { in repaper_frame_data()
440 repaper_one_line(epd, line, in repaper_frame_data()
441 &image[line * (epd->width / 8)], in repaper_frame_data()
445 for (line = 0; line < epd->height; line++) { in repaper_frame_data()
446 size_t n = line * epd->width / 8; in repaper_frame_data()
448 repaper_one_line(epd, line, &image[n], 0, &mask[n], in repaper_frame_data()
454 static void repaper_frame_fixed_repeat(struct repaper_epd *epd, u8 fixed_value, in repaper_frame_fixed_repeat() argument
458 u64 end = start + (epd->factored_stage_time * 1000 * 1000); in repaper_frame_fixed_repeat()
461 repaper_frame_fixed(epd, fixed_value, stage); in repaper_frame_fixed_repeat()
465 static void repaper_frame_data_repeat(struct repaper_epd *epd, const u8 *image, in repaper_frame_data_repeat() argument
469 u64 end = start + (epd->factored_stage_time * 1000 * 1000); in repaper_frame_data_repeat()
472 repaper_frame_data(epd, image, mask, stage); in repaper_frame_data_repeat()
476 static void repaper_get_temperature(struct repaper_epd *epd) in repaper_get_temperature() argument
481 if (!epd->thermal) in repaper_get_temperature()
484 ret = thermal_zone_get_temp(epd->thermal, &temperature); in repaper_get_temperature()
486 DRM_DEV_ERROR(&epd->spi->dev, "Failed to get temperature (%d)\n", ret); in repaper_get_temperature()
509 epd->factored_stage_time = epd->stage_time * factor10x / 10; in repaper_get_temperature()
515 struct repaper_epd *epd = drm_to_epd(fb->dev); in repaper_fb_dirty() local
531 repaper_get_temperature(epd); in repaper_fb_dirty()
534 epd->factored_stage_time); in repaper_fb_dirty()
552 if (epd->partial) { in repaper_fb_dirty()
553 repaper_frame_data_repeat(epd, buf, epd->current_frame, in repaper_fb_dirty()
555 } else if (epd->cleared) { in repaper_fb_dirty()
556 repaper_frame_data_repeat(epd, epd->current_frame, NULL, in repaper_fb_dirty()
558 repaper_frame_data_repeat(epd, epd->current_frame, NULL, in repaper_fb_dirty()
560 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_INVERSE); in repaper_fb_dirty()
561 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_NORMAL); in repaper_fb_dirty()
563 epd->partial = true; in repaper_fb_dirty()
566 repaper_frame_fixed_repeat(epd, 0xff, REPAPER_COMPENSATE); in repaper_fb_dirty()
567 repaper_frame_fixed_repeat(epd, 0xff, REPAPER_WHITE); in repaper_fb_dirty()
568 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_INVERSE); in repaper_fb_dirty()
569 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_NORMAL); in repaper_fb_dirty()
572 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_COMPENSATE); in repaper_fb_dirty()
573 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_WHITE); in repaper_fb_dirty()
574 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_INVERSE); in repaper_fb_dirty()
575 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_NORMAL); in repaper_fb_dirty()
577 epd->cleared = true; in repaper_fb_dirty()
578 epd->partial = true; in repaper_fb_dirty()
581 memcpy(epd->current_frame, buf, fb->width * fb->height / 8); in repaper_fb_dirty()
587 if (epd->pre_border_byte) { in repaper_fb_dirty()
592 repaper_frame_data_repeat(epd, buf, in repaper_fb_dirty()
593 epd->current_frame, in repaper_fb_dirty()
607 static void power_off(struct repaper_epd *epd) in power_off() argument
610 gpiod_set_value_cansleep(epd->reset, 0); in power_off()
611 gpiod_set_value_cansleep(epd->panel_on, 0); in power_off()
612 if (epd->border) in power_off()
613 gpiod_set_value_cansleep(epd->border, 0); in power_off()
616 repaper_spi_mosi_low(epd->spi); in power_off()
619 gpiod_set_value_cansleep(epd->discharge, 1); in power_off()
621 gpiod_set_value_cansleep(epd->discharge, 0); in power_off()
628 struct repaper_epd *epd = drm_to_epd(crtc->dev); in repaper_pipe_mode_valid() local
630 return drm_crtc_helper_mode_valid_fixed(crtc, mode, epd->mode); in repaper_pipe_mode_valid()
637 struct repaper_epd *epd = drm_to_epd(pipe->crtc.dev); in repaper_pipe_enable() local
638 struct spi_device *spi = epd->spi; in repaper_pipe_enable()
649 gpiod_set_value_cansleep(epd->reset, 0); in repaper_pipe_enable()
650 gpiod_set_value_cansleep(epd->panel_on, 0); in repaper_pipe_enable()
651 gpiod_set_value_cansleep(epd->discharge, 0); in repaper_pipe_enable()
652 if (epd->border) in repaper_pipe_enable()
653 gpiod_set_value_cansleep(epd->border, 0); in repaper_pipe_enable()
657 gpiod_set_value_cansleep(epd->panel_on, 1); in repaper_pipe_enable()
663 gpiod_set_value_cansleep(epd->reset, 1); in repaper_pipe_enable()
664 if (epd->border) in repaper_pipe_enable()
665 gpiod_set_value_cansleep(epd->border, 1); in repaper_pipe_enable()
667 gpiod_set_value_cansleep(epd->reset, 0); in repaper_pipe_enable()
669 gpiod_set_value_cansleep(epd->reset, 1); in repaper_pipe_enable()
674 if (!gpiod_get_value_cansleep(epd->busy)) in repaper_pipe_enable()
682 power_off(epd); in repaper_pipe_enable()
693 power_off(epd); in repaper_pipe_enable()
706 power_off(epd); in repaper_pipe_enable()
713 repaper_write_buf(spi, 0x01, epd->channel_select, 8); in repaper_pipe_enable()
746 power_off(epd); in repaper_pipe_enable()
758 power_off(epd); in repaper_pipe_enable()
768 epd->partial = false; in repaper_pipe_enable()
775 struct repaper_epd *epd = drm_to_epd(pipe->crtc.dev); in repaper_pipe_disable() local
776 struct spi_device *spi = epd->spi; in repaper_pipe_disable()
789 for (line = 0; line < epd->height; line++) in repaper_pipe_disable()
790 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
794 if (epd->border) { in repaper_pipe_disable()
796 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
799 gpiod_set_value_cansleep(epd->border, 0); in repaper_pipe_disable()
801 gpiod_set_value_cansleep(epd->border, 1); in repaper_pipe_disable()
804 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
826 power_off(epd); in repaper_pipe_disable()
851 struct repaper_epd *epd = drm_to_epd(connector->dev); in repaper_connector_get_modes() local
853 return drm_connector_helper_get_modes_fixed(connector, epd->mode); in repaper_connector_get_modes()
944 struct repaper_epd *epd; in repaper_probe() local
967 epd = devm_drm_dev_alloc(dev, &repaper_driver, in repaper_probe()
969 if (IS_ERR(epd)) in repaper_probe()
970 return PTR_ERR(epd); in repaper_probe()
972 drm = &epd->drm; in repaper_probe()
979 epd->spi = spi; in repaper_probe()
981 epd->panel_on = devm_gpiod_get(dev, "panel-on", GPIOD_OUT_LOW); in repaper_probe()
982 if (IS_ERR(epd->panel_on)) { in repaper_probe()
983 ret = PTR_ERR(epd->panel_on); in repaper_probe()
989 epd->discharge = devm_gpiod_get(dev, "discharge", GPIOD_OUT_LOW); in repaper_probe()
990 if (IS_ERR(epd->discharge)) { in repaper_probe()
991 ret = PTR_ERR(epd->discharge); in repaper_probe()
997 epd->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); in repaper_probe()
998 if (IS_ERR(epd->reset)) { in repaper_probe()
999 ret = PTR_ERR(epd->reset); in repaper_probe()
1005 epd->busy = devm_gpiod_get(dev, "busy", GPIOD_IN); in repaper_probe()
1006 if (IS_ERR(epd->busy)) { in repaper_probe()
1007 ret = PTR_ERR(epd->busy); in repaper_probe()
1015 epd->thermal = thermal_zone_get_zone_by_name(thermal_zone); in repaper_probe()
1016 if (IS_ERR(epd->thermal)) { in repaper_probe()
1018 return PTR_ERR(epd->thermal); in repaper_probe()
1025 epd->channel_select = repaper_e1144cs021_cs; in repaper_probe()
1026 epd->stage_time = 480; in repaper_probe()
1027 epd->bytes_per_scan = 96 / 4; in repaper_probe()
1028 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1029 epd->pre_border_byte = false; in repaper_probe()
1030 epd->border_byte = REPAPER_BORDER_BYTE_ZERO; in repaper_probe()
1035 epd->channel_select = repaper_e1190cs021_cs; in repaper_probe()
1036 epd->stage_time = 480; in repaper_probe()
1037 epd->bytes_per_scan = 128 / 4 / 2; in repaper_probe()
1038 epd->middle_scan = false; /* scan-data-scan */ in repaper_probe()
1039 epd->pre_border_byte = false; in repaper_probe()
1040 epd->border_byte = REPAPER_BORDER_BYTE_SET; in repaper_probe()
1045 epd->channel_select = repaper_e2200cs021_cs; in repaper_probe()
1046 epd->stage_time = 480; in repaper_probe()
1047 epd->bytes_per_scan = 96 / 4; in repaper_probe()
1048 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1049 epd->pre_border_byte = true; in repaper_probe()
1050 epd->border_byte = REPAPER_BORDER_BYTE_NONE; in repaper_probe()
1054 epd->border = devm_gpiod_get(dev, "border", GPIOD_OUT_LOW); in repaper_probe()
1055 if (IS_ERR(epd->border)) { in repaper_probe()
1056 ret = PTR_ERR(epd->border); in repaper_probe()
1063 epd->channel_select = repaper_e2271cs021_cs; in repaper_probe()
1064 epd->stage_time = 630; in repaper_probe()
1065 epd->bytes_per_scan = 176 / 4; in repaper_probe()
1066 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1067 epd->pre_border_byte = true; in repaper_probe()
1068 epd->border_byte = REPAPER_BORDER_BYTE_NONE; in repaper_probe()
1075 epd->mode = mode; in repaper_probe()
1076 epd->width = mode->hdisplay; in repaper_probe()
1077 epd->height = mode->vdisplay; in repaper_probe()
1078 epd->factored_stage_time = epd->stage_time; in repaper_probe()
1080 line_buffer_size = 2 * epd->width / 8 + epd->bytes_per_scan + 2; in repaper_probe()
1081 epd->line_buffer = devm_kzalloc(dev, line_buffer_size, GFP_KERNEL); in repaper_probe()
1082 if (!epd->line_buffer) in repaper_probe()
1085 epd->current_frame = devm_kzalloc(dev, epd->width * epd->height / 8, in repaper_probe()
1087 if (!epd->current_frame) in repaper_probe()
1095 drm_connector_helper_add(&epd->connector, &repaper_connector_hfuncs); in repaper_probe()
1096 ret = drm_connector_init(drm, &epd->connector, &repaper_connector_funcs, in repaper_probe()
1101 ret = drm_simple_display_pipe_init(drm, &epd->pipe, &repaper_pipe_funcs, in repaper_probe()
1103 NULL, &epd->connector); in repaper_probe()