Lines Matching refs:epd
199 static void repaper_even_pixels(struct repaper_epd *epd, u8 **pp, in repaper_even_pixels() argument
205 for (b = 0; b < (epd->width / 8); b++) { in repaper_even_pixels()
245 static void repaper_odd_pixels(struct repaper_epd *epd, u8 **pp, in repaper_odd_pixels() argument
251 for (b = epd->width / 8; b > 0; b--) { in repaper_odd_pixels()
295 static void repaper_all_pixels(struct repaper_epd *epd, u8 **pp, in repaper_all_pixels() argument
301 for (b = epd->width / 8; b > 0; b--) { in repaper_all_pixels()
339 static void repaper_one_line(struct repaper_epd *epd, unsigned int line, in repaper_one_line() argument
343 u8 *p = epd->line_buffer; in repaper_one_line()
346 repaper_spi_mosi_low(epd->spi); in repaper_one_line()
348 if (epd->pre_border_byte) in repaper_one_line()
351 if (epd->middle_scan) { in repaper_one_line()
353 repaper_odd_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
356 for (b = epd->bytes_per_scan; b > 0; b--) { in repaper_one_line()
364 repaper_even_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
370 for (b = 0; b < epd->bytes_per_scan; b++) { in repaper_one_line()
378 repaper_all_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
384 for (b = epd->bytes_per_scan; b > 0; b--) { in repaper_one_line()
392 switch (epd->border_byte) { in repaper_one_line()
414 repaper_write_buf(epd->spi, 0x0a, epd->line_buffer, in repaper_one_line()
415 p - epd->line_buffer); in repaper_one_line()
418 repaper_write_val(epd->spi, 0x02, 0x07); in repaper_one_line()
420 repaper_spi_mosi_low(epd->spi); in repaper_one_line()
423 static void repaper_frame_fixed(struct repaper_epd *epd, u8 fixed_value, in repaper_frame_fixed() argument
428 for (line = 0; line < epd->height; line++) in repaper_frame_fixed()
429 repaper_one_line(epd, line, NULL, fixed_value, NULL, stage); in repaper_frame_fixed()
432 static void repaper_frame_data(struct repaper_epd *epd, const u8 *image, in repaper_frame_data() argument
438 for (line = 0; line < epd->height; line++) { in repaper_frame_data()
439 repaper_one_line(epd, line, in repaper_frame_data()
440 &image[line * (epd->width / 8)], in repaper_frame_data()
444 for (line = 0; line < epd->height; line++) { in repaper_frame_data()
445 size_t n = line * epd->width / 8; in repaper_frame_data()
447 repaper_one_line(epd, line, &image[n], 0, &mask[n], in repaper_frame_data()
453 static void repaper_frame_fixed_repeat(struct repaper_epd *epd, u8 fixed_value, in repaper_frame_fixed_repeat() argument
457 u64 end = start + (epd->factored_stage_time * 1000 * 1000); in repaper_frame_fixed_repeat()
460 repaper_frame_fixed(epd, fixed_value, stage); in repaper_frame_fixed_repeat()
464 static void repaper_frame_data_repeat(struct repaper_epd *epd, const u8 *image, in repaper_frame_data_repeat() argument
468 u64 end = start + (epd->factored_stage_time * 1000 * 1000); in repaper_frame_data_repeat()
471 repaper_frame_data(epd, image, mask, stage); in repaper_frame_data_repeat()
475 static void repaper_get_temperature(struct repaper_epd *epd) in repaper_get_temperature() argument
480 if (!epd->thermal) in repaper_get_temperature()
483 ret = thermal_zone_get_temp(epd->thermal, &temperature); in repaper_get_temperature()
485 DRM_DEV_ERROR(&epd->spi->dev, "Failed to get temperature (%d)\n", ret); in repaper_get_temperature()
508 epd->factored_stage_time = epd->stage_time * factor10x / 10; in repaper_get_temperature()
534 struct repaper_epd *epd = drm_to_epd(fb->dev); in repaper_fb_dirty() local
548 repaper_get_temperature(epd); in repaper_fb_dirty()
551 epd->factored_stage_time); in repaper_fb_dirty()
569 if (epd->partial) { in repaper_fb_dirty()
570 repaper_frame_data_repeat(epd, buf, epd->current_frame, in repaper_fb_dirty()
572 } else if (epd->cleared) { in repaper_fb_dirty()
573 repaper_frame_data_repeat(epd, epd->current_frame, NULL, in repaper_fb_dirty()
575 repaper_frame_data_repeat(epd, epd->current_frame, NULL, in repaper_fb_dirty()
577 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_INVERSE); in repaper_fb_dirty()
578 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_NORMAL); in repaper_fb_dirty()
580 epd->partial = true; in repaper_fb_dirty()
583 repaper_frame_fixed_repeat(epd, 0xff, REPAPER_COMPENSATE); in repaper_fb_dirty()
584 repaper_frame_fixed_repeat(epd, 0xff, REPAPER_WHITE); in repaper_fb_dirty()
585 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_INVERSE); in repaper_fb_dirty()
586 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_NORMAL); in repaper_fb_dirty()
589 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_COMPENSATE); in repaper_fb_dirty()
590 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_WHITE); in repaper_fb_dirty()
591 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_INVERSE); in repaper_fb_dirty()
592 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_NORMAL); in repaper_fb_dirty()
594 epd->cleared = true; in repaper_fb_dirty()
595 epd->partial = true; in repaper_fb_dirty()
598 memcpy(epd->current_frame, buf, fb->width * fb->height / 8); in repaper_fb_dirty()
604 if (epd->pre_border_byte) { in repaper_fb_dirty()
609 repaper_frame_data_repeat(epd, buf, in repaper_fb_dirty()
610 epd->current_frame, in repaper_fb_dirty()
624 static void power_off(struct repaper_epd *epd) in power_off() argument
627 gpiod_set_value_cansleep(epd->reset, 0); in power_off()
628 gpiod_set_value_cansleep(epd->panel_on, 0); in power_off()
629 if (epd->border) in power_off()
630 gpiod_set_value_cansleep(epd->border, 0); in power_off()
633 repaper_spi_mosi_low(epd->spi); in power_off()
636 gpiod_set_value_cansleep(epd->discharge, 1); in power_off()
638 gpiod_set_value_cansleep(epd->discharge, 0); in power_off()
645 struct repaper_epd *epd = drm_to_epd(pipe->crtc.dev); in repaper_pipe_enable() local
646 struct spi_device *spi = epd->spi; in repaper_pipe_enable()
657 gpiod_set_value_cansleep(epd->reset, 0); in repaper_pipe_enable()
658 gpiod_set_value_cansleep(epd->panel_on, 0); in repaper_pipe_enable()
659 gpiod_set_value_cansleep(epd->discharge, 0); in repaper_pipe_enable()
660 if (epd->border) in repaper_pipe_enable()
661 gpiod_set_value_cansleep(epd->border, 0); in repaper_pipe_enable()
665 gpiod_set_value_cansleep(epd->panel_on, 1); in repaper_pipe_enable()
671 gpiod_set_value_cansleep(epd->reset, 1); in repaper_pipe_enable()
672 if (epd->border) in repaper_pipe_enable()
673 gpiod_set_value_cansleep(epd->border, 1); in repaper_pipe_enable()
675 gpiod_set_value_cansleep(epd->reset, 0); in repaper_pipe_enable()
677 gpiod_set_value_cansleep(epd->reset, 1); in repaper_pipe_enable()
682 if (!gpiod_get_value_cansleep(epd->busy)) in repaper_pipe_enable()
690 power_off(epd); in repaper_pipe_enable()
701 power_off(epd); in repaper_pipe_enable()
714 power_off(epd); in repaper_pipe_enable()
721 repaper_write_buf(spi, 0x01, epd->channel_select, 8); in repaper_pipe_enable()
754 power_off(epd); in repaper_pipe_enable()
766 power_off(epd); in repaper_pipe_enable()
776 epd->partial = false; in repaper_pipe_enable()
783 struct repaper_epd *epd = drm_to_epd(pipe->crtc.dev); in repaper_pipe_disable() local
784 struct spi_device *spi = epd->spi; in repaper_pipe_disable()
797 for (line = 0; line < epd->height; line++) in repaper_pipe_disable()
798 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
802 if (epd->border) { in repaper_pipe_disable()
804 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
807 gpiod_set_value_cansleep(epd->border, 0); in repaper_pipe_disable()
809 gpiod_set_value_cansleep(epd->border, 1); in repaper_pipe_disable()
812 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
834 power_off(epd); in repaper_pipe_disable()
858 struct repaper_epd *epd = drm_to_epd(connector->dev); in repaper_connector_get_modes() local
861 mode = drm_mode_duplicate(connector->dev, epd->mode); in repaper_connector_get_modes()
965 struct repaper_epd *epd; in repaper_probe() local
988 epd = devm_drm_dev_alloc(dev, &repaper_driver, in repaper_probe()
990 if (IS_ERR(epd)) in repaper_probe()
991 return PTR_ERR(epd); in repaper_probe()
993 drm = &epd->drm; in repaper_probe()
1000 epd->spi = spi; in repaper_probe()
1002 epd->panel_on = devm_gpiod_get(dev, "panel-on", GPIOD_OUT_LOW); in repaper_probe()
1003 if (IS_ERR(epd->panel_on)) { in repaper_probe()
1004 ret = PTR_ERR(epd->panel_on); in repaper_probe()
1010 epd->discharge = devm_gpiod_get(dev, "discharge", GPIOD_OUT_LOW); in repaper_probe()
1011 if (IS_ERR(epd->discharge)) { in repaper_probe()
1012 ret = PTR_ERR(epd->discharge); in repaper_probe()
1018 epd->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); in repaper_probe()
1019 if (IS_ERR(epd->reset)) { in repaper_probe()
1020 ret = PTR_ERR(epd->reset); in repaper_probe()
1026 epd->busy = devm_gpiod_get(dev, "busy", GPIOD_IN); in repaper_probe()
1027 if (IS_ERR(epd->busy)) { in repaper_probe()
1028 ret = PTR_ERR(epd->busy); in repaper_probe()
1036 epd->thermal = thermal_zone_get_zone_by_name(thermal_zone); in repaper_probe()
1037 if (IS_ERR(epd->thermal)) { in repaper_probe()
1039 return PTR_ERR(epd->thermal); in repaper_probe()
1046 epd->channel_select = repaper_e1144cs021_cs; in repaper_probe()
1047 epd->stage_time = 480; in repaper_probe()
1048 epd->bytes_per_scan = 96 / 4; in repaper_probe()
1049 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1050 epd->pre_border_byte = false; in repaper_probe()
1051 epd->border_byte = REPAPER_BORDER_BYTE_ZERO; in repaper_probe()
1056 epd->channel_select = repaper_e1190cs021_cs; in repaper_probe()
1057 epd->stage_time = 480; in repaper_probe()
1058 epd->bytes_per_scan = 128 / 4 / 2; in repaper_probe()
1059 epd->middle_scan = false; /* scan-data-scan */ in repaper_probe()
1060 epd->pre_border_byte = false; in repaper_probe()
1061 epd->border_byte = REPAPER_BORDER_BYTE_SET; in repaper_probe()
1066 epd->channel_select = repaper_e2200cs021_cs; in repaper_probe()
1067 epd->stage_time = 480; in repaper_probe()
1068 epd->bytes_per_scan = 96 / 4; in repaper_probe()
1069 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1070 epd->pre_border_byte = true; in repaper_probe()
1071 epd->border_byte = REPAPER_BORDER_BYTE_NONE; in repaper_probe()
1075 epd->border = devm_gpiod_get(dev, "border", GPIOD_OUT_LOW); in repaper_probe()
1076 if (IS_ERR(epd->border)) { in repaper_probe()
1077 ret = PTR_ERR(epd->border); in repaper_probe()
1084 epd->channel_select = repaper_e2271cs021_cs; in repaper_probe()
1085 epd->stage_time = 630; in repaper_probe()
1086 epd->bytes_per_scan = 176 / 4; in repaper_probe()
1087 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1088 epd->pre_border_byte = true; in repaper_probe()
1089 epd->border_byte = REPAPER_BORDER_BYTE_NONE; in repaper_probe()
1096 epd->mode = mode; in repaper_probe()
1097 epd->width = mode->hdisplay; in repaper_probe()
1098 epd->height = mode->vdisplay; in repaper_probe()
1099 epd->factored_stage_time = epd->stage_time; in repaper_probe()
1101 line_buffer_size = 2 * epd->width / 8 + epd->bytes_per_scan + 2; in repaper_probe()
1102 epd->line_buffer = devm_kzalloc(dev, line_buffer_size, GFP_KERNEL); in repaper_probe()
1103 if (!epd->line_buffer) in repaper_probe()
1106 epd->current_frame = devm_kzalloc(dev, epd->width * epd->height / 8, in repaper_probe()
1108 if (!epd->current_frame) in repaper_probe()
1116 drm_connector_helper_add(&epd->connector, &repaper_connector_hfuncs); in repaper_probe()
1117 ret = drm_connector_init(drm, &epd->connector, &repaper_connector_funcs, in repaper_probe()
1122 ret = drm_simple_display_pipe_init(drm, &epd->pipe, &repaper_pipe_funcs, in repaper_probe()
1124 NULL, &epd->connector); in repaper_probe()