Lines Matching +full:display +full:- +full:interface
1 // SPDX-License-Identifier: GPL-2.0-only
6 * - 16-bit parallel RGB interface
7 * - 18-bit parallel RGB interface
8 * - 4-line serial spi interface
13 * Derived from drivers/drm/gpu/panel/panel-ilitek-ili9322.c
17 * For only-dbi part, copy from David's code (drm/tiny/ili9341.c)
43 #define ILI9341_RGB_INTERFACE 0xb0 /* RGB Interface Signal Control */
45 #define ILI9341_DFC 0xb6 /* Display Function Control register */
58 #define ILI9341_INTERFACE 0xf6 /* Interface control register */
116 /* struct ili9341_config - the system specific ILI9341 configuration */
119 /* mode: the drm display mode */
137 /* dfc_1: B6h DISCTRL (Display Function Control) */
151 /* rgb_interface: RGB Interface Signal Control (B0h) */
159 /* interface: Interface Control (F6h) */
160 u8 interface[ILI9341_INTERFACE_LEN]; member
189 * The Stm32f429-disco board has a panel ili9341 connected to ltdc controller
219 * 0xa2 Normally white, G1 -> G320, S720 -> S1,
225 /* 0x10 AVDD=vci*2, VGH=vci*7, VGL=-vci*4 */
227 /* 0x45 VCOMH 4.425v, 0x15 VCOML -1.975*/
229 /* 0x90 offset voltage, VMH-48, VML-48 */
239 * Display Data Path: Memory
248 * Gate outputs in non-display area: Interval scan
249 * Determine source/VCOM output in a non-display area in the partial
250 * display mode: AGND AGND AGND AGND
256 * Gate Output Scan Direction: G1 -> G320
257 * Source Output Scan Direction: S720 -> S1
274 * (EC-SC+1)*(EP-SP+1), the column and page number will be
277 * Display Operation Mode: RGB Interface Mode
278 * Interface for RAM Access: RGB interface
279 * 16- bit RGB interface (1 transfer/pixel)
281 .interface = {ILI9341_IF_WE_MODE, 0x00,
302 struct device *dev = (&ili->panel)->dev; in ili9341_dpi_init()
303 struct mipi_dbi *dbi = ili->dbi; in ili9341_dpi_init()
304 struct ili9341_config *cfg = (struct ili9341_config *)ili->conf; in ili9341_dpi_init()
307 mipi_dbi_command_stackbuf(dbi, 0xca, cfg->ca, ILI9341_CA_LEN); in ili9341_dpi_init()
308 mipi_dbi_command_stackbuf(dbi, ILI9341_POWERB, cfg->power_b, in ili9341_dpi_init()
310 mipi_dbi_command_stackbuf(dbi, ILI9341_POWER_SEQ, cfg->power_seq, in ili9341_dpi_init()
312 mipi_dbi_command_stackbuf(dbi, ILI9341_DTCA, cfg->dtca, in ili9341_dpi_init()
314 mipi_dbi_command_stackbuf(dbi, ILI9341_POWERA, cfg->power_a, in ili9341_dpi_init()
316 mipi_dbi_command(ili->dbi, ILI9341_PRC, cfg->prc); in ili9341_dpi_init()
317 mipi_dbi_command_stackbuf(dbi, ILI9341_DTCB, cfg->dtcb, in ili9341_dpi_init()
319 mipi_dbi_command_stackbuf(dbi, ILI9341_FRC, cfg->frc, ILI9341_FRC_LEN); in ili9341_dpi_init()
320 mipi_dbi_command_stackbuf(dbi, ILI9341_DFC, cfg->dfc_1, in ili9341_dpi_init()
322 mipi_dbi_command(dbi, ILI9341_POWER1, cfg->power_1); in ili9341_dpi_init()
323 mipi_dbi_command(dbi, ILI9341_POWER2, cfg->power_2); in ili9341_dpi_init()
326 mipi_dbi_command_stackbuf(dbi, ILI9341_VCOM1, cfg->vcom_1, in ili9341_dpi_init()
328 mipi_dbi_command(dbi, ILI9341_VCOM2, cfg->vcom_2); in ili9341_dpi_init()
329 mipi_dbi_command(dbi, MIPI_DCS_SET_ADDRESS_MODE, cfg->address_mode); in ili9341_dpi_init()
332 mipi_dbi_command(dbi, ILI9341_3GAMMA_EN, cfg->g3amma_en); in ili9341_dpi_init()
333 mipi_dbi_command(dbi, ILI9341_RGB_INTERFACE, cfg->rgb_interface); in ili9341_dpi_init()
334 mipi_dbi_command_stackbuf(dbi, ILI9341_DFC, cfg->dfc_2, in ili9341_dpi_init()
339 cfg->column_addr, ILI9341_COLUMN_ADDR_LEN); in ili9341_dpi_init()
343 cfg->page_addr, ILI9341_PAGE_ADDR_LEN); in ili9341_dpi_init()
344 mipi_dbi_command_stackbuf(dbi, ILI9341_INTERFACE, cfg->interface, in ili9341_dpi_init()
348 mipi_dbi_command(dbi, MIPI_DCS_SET_PIXEL_FORMAT, cfg->pixel_format); in ili9341_dpi_init()
351 mipi_dbi_command(dbi, MIPI_DCS_SET_GAMMA_CURVE, cfg->gamma_curve); in ili9341_dpi_init()
352 mipi_dbi_command_stackbuf(dbi, ILI9341_PGAMMA, cfg->pgamma, in ili9341_dpi_init()
354 mipi_dbi_command_stackbuf(dbi, ILI9341_NGAMMA, cfg->ngamma, in ili9341_dpi_init()
361 dev_info(dev, "Initialized display rgb interface\n"); in ili9341_dpi_init()
366 struct device *dev = (&ili->panel)->dev; in ili9341_dpi_power_on()
370 gpiod_set_value(ili->reset_gpio, 1); in ili9341_dpi_power_on()
373 ret = regulator_bulk_enable(ARRAY_SIZE(ili->supplies), in ili9341_dpi_power_on()
374 ili->supplies); in ili9341_dpi_power_on()
381 /* De-assert RESET */ in ili9341_dpi_power_on()
382 gpiod_set_value(ili->reset_gpio, 0); in ili9341_dpi_power_on()
391 gpiod_set_value(ili->reset_gpio, 1); in ili9341_dpi_power_off()
394 return regulator_bulk_disable(ARRAY_SIZE(ili->supplies), in ili9341_dpi_power_off()
395 ili->supplies); in ili9341_dpi_power_off()
402 mipi_dbi_command(ili->dbi, MIPI_DCS_SET_DISPLAY_OFF); in ili9341_dpi_disable()
431 mipi_dbi_command(ili->dbi, MIPI_DCS_SET_DISPLAY_ON); in ili9341_dpi_enable()
439 struct drm_device *drm = connector->dev; in ili9341_dpi_get_modes()
443 info = &connector->display_info; in ili9341_dpi_get_modes()
444 info->width_mm = ili->conf->mode.width_mm; in ili9341_dpi_get_modes()
445 info->height_mm = ili->conf->mode.height_mm; in ili9341_dpi_get_modes()
447 if (ili->conf->rgb_interface & ILI9341_RGB_DPL) in ili9341_dpi_get_modes()
448 info->bus_flags |= DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE; in ili9341_dpi_get_modes()
450 info->bus_flags |= DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE; in ili9341_dpi_get_modes()
452 if (ili->conf->rgb_interface & ILI9341_RGB_EPL) in ili9341_dpi_get_modes()
453 info->bus_flags |= DRM_BUS_FLAG_DE_LOW; in ili9341_dpi_get_modes()
455 info->bus_flags |= DRM_BUS_FLAG_DE_HIGH; in ili9341_dpi_get_modes()
457 mode = drm_mode_duplicate(drm, &ili->conf->mode); in ili9341_dpi_get_modes()
460 return -EINVAL; in ili9341_dpi_get_modes()
465 if (ili->conf->rgb_interface & ILI9341_RGB_HSPL) in ili9341_dpi_get_modes()
466 mode->flags |= DRM_MODE_FLAG_PHSYNC; in ili9341_dpi_get_modes()
468 mode->flags |= DRM_MODE_FLAG_NHSYNC; in ili9341_dpi_get_modes()
470 if (ili->conf->rgb_interface & ILI9341_RGB_VSPL) in ili9341_dpi_get_modes()
471 mode->flags |= DRM_MODE_FLAG_PVSYNC; in ili9341_dpi_get_modes()
473 mode->flags |= DRM_MODE_FLAG_NVSYNC; in ili9341_dpi_get_modes()
492 struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev); in ili9341_dbi_enable()
493 struct mipi_dbi *dbi = &dbidev->dbi; in ili9341_dbi_enable()
497 if (!drm_dev_enter(pipe->crtc.dev, &idx)) in ili9341_dbi_enable()
546 /* Display */ in ili9341_dbi_enable()
555 switch (dbidev->rotation) { in ili9341_dbi_enable()
574 drm_info(&dbidev->drm, "Initialized display serial interface\n"); in ili9341_dbi_enable()
604 struct device *dev = &spi->dev; in ili9341_dbi_probe()
623 dbi = &dbidev->dbi; in ili9341_dbi_probe()
624 drm = &dbidev->drm; in ili9341_dbi_probe()
625 dbi->reset = reset; in ili9341_dbi_probe()
626 dbidev->regulator = vcc; in ili9341_dbi_probe()
630 dbidev->backlight = devm_of_find_backlight(dev); in ili9341_dbi_probe()
631 if (IS_ERR(dbidev->backlight)) in ili9341_dbi_probe()
632 return PTR_ERR(dbidev->backlight); in ili9341_dbi_probe()
661 struct device *dev = &spi->dev; in ili9341_dpi_probe()
667 return -ENOMEM; in ili9341_dpi_probe()
669 ili->dbi = devm_kzalloc(dev, sizeof(struct mipi_dbi), in ili9341_dpi_probe()
671 if (!ili->dbi) in ili9341_dpi_probe()
672 return -ENOMEM; in ili9341_dpi_probe()
674 ili->supplies[0].supply = "vci"; in ili9341_dpi_probe()
675 ili->supplies[1].supply = "vddi"; in ili9341_dpi_probe()
676 ili->supplies[2].supply = "vddi-led"; in ili9341_dpi_probe()
677 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ili->supplies), in ili9341_dpi_probe()
678 ili->supplies); in ili9341_dpi_probe()
684 ret = mipi_dbi_spi_init(spi, ili->dbi, dc); in ili9341_dpi_probe()
689 ili->reset_gpio = reset; in ili9341_dpi_probe()
691 * Every new incarnation of this display must have a unique in ili9341_dpi_probe()
694 ili->conf = of_device_get_match_data(dev); in ili9341_dpi_probe()
695 if (!ili->conf) { in ili9341_dpi_probe()
697 return -ENODEV; in ili9341_dpi_probe()
700 ili->max_spi_speed = ili->conf->max_spi_speed; in ili9341_dpi_probe()
701 drm_panel_init(&ili->panel, dev, &ili9341_dpi_funcs, in ili9341_dpi_probe()
703 drm_panel_add(&ili->panel); in ili9341_dpi_probe()
710 struct device *dev = &spi->dev; in ili9341_probe()
723 if (!strcmp(id->name, "sf-tc240t-9370-t")) in ili9341_probe()
725 else if (!strcmp(id->name, "yx240qv29")) in ili9341_probe()
728 return -1; in ili9341_probe()
737 if (!strcmp(id->name, "sf-tc240t-9370-t")) { in ili9341_remove()
739 drm_panel_remove(&ili->panel); in ili9341_remove()
740 } else if (!strcmp(id->name, "yx240qv29")) { in ili9341_remove()
750 if (!strcmp(id->name, "yx240qv29")) in ili9341_shutdown()
756 .compatible = "st,sf-tc240t-9370-t",
772 { "sf-tc240t-9370-t", 0 },
783 .name = "panel-ilitek-ili9341",