Lines Matching refs:epd
190 static void repaper_even_pixels(struct repaper_epd *epd, u8 **pp, in repaper_even_pixels() argument
196 for (b = 0; b < (epd->width / 8); b++) { in repaper_even_pixels()
236 static void repaper_odd_pixels(struct repaper_epd *epd, u8 **pp, in repaper_odd_pixels() argument
242 for (b = epd->width / 8; b > 0; b--) { in repaper_odd_pixels()
286 static void repaper_all_pixels(struct repaper_epd *epd, u8 **pp, in repaper_all_pixels() argument
292 for (b = epd->width / 8; b > 0; b--) { in repaper_all_pixels()
330 static void repaper_one_line(struct repaper_epd *epd, unsigned int line, in repaper_one_line() argument
334 u8 *p = epd->line_buffer; in repaper_one_line()
337 repaper_spi_mosi_low(epd->spi); in repaper_one_line()
339 if (epd->pre_border_byte) in repaper_one_line()
342 if (epd->middle_scan) { in repaper_one_line()
344 repaper_odd_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
347 for (b = epd->bytes_per_scan; b > 0; b--) { in repaper_one_line()
355 repaper_even_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
361 for (b = 0; b < epd->bytes_per_scan; b++) { in repaper_one_line()
369 repaper_all_pixels(epd, &p, data, fixed_value, mask, stage); in repaper_one_line()
375 for (b = epd->bytes_per_scan; b > 0; b--) { in repaper_one_line()
383 switch (epd->border_byte) { in repaper_one_line()
405 repaper_write_buf(epd->spi, 0x0a, epd->line_buffer, in repaper_one_line()
406 p - epd->line_buffer); in repaper_one_line()
409 repaper_write_val(epd->spi, 0x02, 0x07); in repaper_one_line()
411 repaper_spi_mosi_low(epd->spi); in repaper_one_line()
414 static void repaper_frame_fixed(struct repaper_epd *epd, u8 fixed_value, in repaper_frame_fixed() argument
419 for (line = 0; line < epd->height; line++) in repaper_frame_fixed()
420 repaper_one_line(epd, line, NULL, fixed_value, NULL, stage); in repaper_frame_fixed()
423 static void repaper_frame_data(struct repaper_epd *epd, const u8 *image, in repaper_frame_data() argument
429 for (line = 0; line < epd->height; line++) { in repaper_frame_data()
430 repaper_one_line(epd, line, in repaper_frame_data()
431 &image[line * (epd->width / 8)], in repaper_frame_data()
435 for (line = 0; line < epd->height; line++) { in repaper_frame_data()
436 size_t n = line * epd->width / 8; in repaper_frame_data()
438 repaper_one_line(epd, line, &image[n], 0, &mask[n], in repaper_frame_data()
444 static void repaper_frame_fixed_repeat(struct repaper_epd *epd, u8 fixed_value, in repaper_frame_fixed_repeat() argument
448 u64 end = start + (epd->factored_stage_time * 1000 * 1000); in repaper_frame_fixed_repeat()
451 repaper_frame_fixed(epd, fixed_value, stage); in repaper_frame_fixed_repeat()
455 static void repaper_frame_data_repeat(struct repaper_epd *epd, const u8 *image, in repaper_frame_data_repeat() argument
459 u64 end = start + (epd->factored_stage_time * 1000 * 1000); in repaper_frame_data_repeat()
462 repaper_frame_data(epd, image, mask, stage); in repaper_frame_data_repeat()
466 static void repaper_get_temperature(struct repaper_epd *epd) in repaper_get_temperature() argument
471 if (!epd->thermal) in repaper_get_temperature()
474 ret = thermal_zone_get_temp(epd->thermal, &temperature); in repaper_get_temperature()
476 dev_err(&epd->spi->dev, "Failed to get temperature (%d)\n", in repaper_get_temperature()
500 epd->factored_stage_time = epd->stage_time * factor10x / 10; in repaper_get_temperature()
532 struct repaper_epd *epd = epd_from_tinydrm(tdev); in repaper_fb_dirty() local
545 if (!epd->enabled) in repaper_fb_dirty()
552 repaper_get_temperature(epd); in repaper_fb_dirty()
555 epd->factored_stage_time); in repaper_fb_dirty()
581 if (epd->partial) { in repaper_fb_dirty()
582 repaper_frame_data_repeat(epd, buf, epd->current_frame, in repaper_fb_dirty()
584 } else if (epd->cleared) { in repaper_fb_dirty()
585 repaper_frame_data_repeat(epd, epd->current_frame, NULL, in repaper_fb_dirty()
587 repaper_frame_data_repeat(epd, epd->current_frame, NULL, in repaper_fb_dirty()
589 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_INVERSE); in repaper_fb_dirty()
590 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_NORMAL); in repaper_fb_dirty()
592 epd->partial = true; in repaper_fb_dirty()
595 repaper_frame_fixed_repeat(epd, 0xff, REPAPER_COMPENSATE); in repaper_fb_dirty()
596 repaper_frame_fixed_repeat(epd, 0xff, REPAPER_WHITE); in repaper_fb_dirty()
597 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_INVERSE); in repaper_fb_dirty()
598 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_NORMAL); in repaper_fb_dirty()
601 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_COMPENSATE); in repaper_fb_dirty()
602 repaper_frame_fixed_repeat(epd, 0xaa, REPAPER_WHITE); in repaper_fb_dirty()
603 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_INVERSE); in repaper_fb_dirty()
604 repaper_frame_data_repeat(epd, buf, NULL, REPAPER_NORMAL); in repaper_fb_dirty()
606 epd->cleared = true; in repaper_fb_dirty()
607 epd->partial = true; in repaper_fb_dirty()
610 memcpy(epd->current_frame, buf, fb->width * fb->height / 8); in repaper_fb_dirty()
616 if (epd->pre_border_byte) { in repaper_fb_dirty()
621 repaper_frame_data_repeat(epd, buf, in repaper_fb_dirty()
622 epd->current_frame, in repaper_fb_dirty()
644 static void power_off(struct repaper_epd *epd) in power_off() argument
647 gpiod_set_value_cansleep(epd->reset, 0); in power_off()
648 gpiod_set_value_cansleep(epd->panel_on, 0); in power_off()
649 if (epd->border) in power_off()
650 gpiod_set_value_cansleep(epd->border, 0); in power_off()
653 repaper_spi_mosi_low(epd->spi); in power_off()
656 gpiod_set_value_cansleep(epd->discharge, 1); in power_off()
658 gpiod_set_value_cansleep(epd->discharge, 0); in power_off()
665 struct repaper_epd *epd = epd_from_tinydrm(tdev); in repaper_pipe_enable() local
666 struct spi_device *spi = epd->spi; in repaper_pipe_enable()
674 gpiod_set_value_cansleep(epd->reset, 0); in repaper_pipe_enable()
675 gpiod_set_value_cansleep(epd->panel_on, 0); in repaper_pipe_enable()
676 gpiod_set_value_cansleep(epd->discharge, 0); in repaper_pipe_enable()
677 if (epd->border) in repaper_pipe_enable()
678 gpiod_set_value_cansleep(epd->border, 0); in repaper_pipe_enable()
682 gpiod_set_value_cansleep(epd->panel_on, 1); in repaper_pipe_enable()
688 gpiod_set_value_cansleep(epd->reset, 1); in repaper_pipe_enable()
689 if (epd->border) in repaper_pipe_enable()
690 gpiod_set_value_cansleep(epd->border, 1); in repaper_pipe_enable()
692 gpiod_set_value_cansleep(epd->reset, 0); in repaper_pipe_enable()
694 gpiod_set_value_cansleep(epd->reset, 1); in repaper_pipe_enable()
699 if (!gpiod_get_value_cansleep(epd->busy)) in repaper_pipe_enable()
707 power_off(epd); in repaper_pipe_enable()
718 power_off(epd); in repaper_pipe_enable()
731 power_off(epd); in repaper_pipe_enable()
738 repaper_write_buf(spi, 0x01, epd->channel_select, 8); in repaper_pipe_enable()
771 power_off(epd); in repaper_pipe_enable()
783 power_off(epd); in repaper_pipe_enable()
793 epd->enabled = true; in repaper_pipe_enable()
794 epd->partial = false; in repaper_pipe_enable()
800 struct repaper_epd *epd = epd_from_tinydrm(tdev); in repaper_pipe_disable() local
801 struct spi_device *spi = epd->spi; in repaper_pipe_disable()
807 epd->enabled = false; in repaper_pipe_disable()
811 for (line = 0; line < epd->height; line++) in repaper_pipe_disable()
812 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
816 if (epd->border) { in repaper_pipe_disable()
818 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
821 gpiod_set_value_cansleep(epd->border, 0); in repaper_pipe_disable()
823 gpiod_set_value_cansleep(epd->border, 1); in repaper_pipe_disable()
826 repaper_one_line(epd, 0x7fffu, NULL, 0x00, NULL, in repaper_pipe_disable()
848 power_off(epd); in repaper_pipe_disable()
931 struct repaper_epd *epd; in repaper_probe() local
952 epd = devm_kzalloc(dev, sizeof(*epd), GFP_KERNEL); in repaper_probe()
953 if (!epd) in repaper_probe()
956 epd->spi = spi; in repaper_probe()
958 epd->panel_on = devm_gpiod_get(dev, "panel-on", GPIOD_OUT_LOW); in repaper_probe()
959 if (IS_ERR(epd->panel_on)) { in repaper_probe()
960 ret = PTR_ERR(epd->panel_on); in repaper_probe()
966 epd->discharge = devm_gpiod_get(dev, "discharge", GPIOD_OUT_LOW); in repaper_probe()
967 if (IS_ERR(epd->discharge)) { in repaper_probe()
968 ret = PTR_ERR(epd->discharge); in repaper_probe()
974 epd->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); in repaper_probe()
975 if (IS_ERR(epd->reset)) { in repaper_probe()
976 ret = PTR_ERR(epd->reset); in repaper_probe()
982 epd->busy = devm_gpiod_get(dev, "busy", GPIOD_IN); in repaper_probe()
983 if (IS_ERR(epd->busy)) { in repaper_probe()
984 ret = PTR_ERR(epd->busy); in repaper_probe()
992 epd->thermal = thermal_zone_get_zone_by_name(thermal_zone); in repaper_probe()
993 if (IS_ERR(epd->thermal)) { in repaper_probe()
996 return PTR_ERR(epd->thermal); in repaper_probe()
1003 epd->channel_select = repaper_e1144cs021_cs; in repaper_probe()
1004 epd->stage_time = 480; in repaper_probe()
1005 epd->bytes_per_scan = 96 / 4; in repaper_probe()
1006 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1007 epd->pre_border_byte = false; in repaper_probe()
1008 epd->border_byte = REPAPER_BORDER_BYTE_ZERO; in repaper_probe()
1013 epd->channel_select = repaper_e1190cs021_cs; in repaper_probe()
1014 epd->stage_time = 480; in repaper_probe()
1015 epd->bytes_per_scan = 128 / 4 / 2; in repaper_probe()
1016 epd->middle_scan = false; /* scan-data-scan */ in repaper_probe()
1017 epd->pre_border_byte = false; in repaper_probe()
1018 epd->border_byte = REPAPER_BORDER_BYTE_SET; in repaper_probe()
1023 epd->channel_select = repaper_e2200cs021_cs; in repaper_probe()
1024 epd->stage_time = 480; in repaper_probe()
1025 epd->bytes_per_scan = 96 / 4; in repaper_probe()
1026 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1027 epd->pre_border_byte = true; in repaper_probe()
1028 epd->border_byte = REPAPER_BORDER_BYTE_NONE; in repaper_probe()
1032 epd->border = devm_gpiod_get(dev, "border", GPIOD_OUT_LOW); in repaper_probe()
1033 if (IS_ERR(epd->border)) { in repaper_probe()
1034 ret = PTR_ERR(epd->border); in repaper_probe()
1041 epd->channel_select = repaper_e2271cs021_cs; in repaper_probe()
1042 epd->stage_time = 630; in repaper_probe()
1043 epd->bytes_per_scan = 176 / 4; in repaper_probe()
1044 epd->middle_scan = true; /* data-scan-data */ in repaper_probe()
1045 epd->pre_border_byte = true; in repaper_probe()
1046 epd->border_byte = REPAPER_BORDER_BYTE_NONE; in repaper_probe()
1053 epd->width = mode->hdisplay; in repaper_probe()
1054 epd->height = mode->vdisplay; in repaper_probe()
1055 epd->factored_stage_time = epd->stage_time; in repaper_probe()
1057 line_buffer_size = 2 * epd->width / 8 + epd->bytes_per_scan + 2; in repaper_probe()
1058 epd->line_buffer = devm_kzalloc(dev, line_buffer_size, GFP_KERNEL); in repaper_probe()
1059 if (!epd->line_buffer) in repaper_probe()
1062 epd->current_frame = devm_kzalloc(dev, epd->width * epd->height / 8, in repaper_probe()
1064 if (!epd->current_frame) in repaper_probe()
1067 tdev = &epd->tinydrm; in repaper_probe()