Lines Matching +full:panel +full:- +full:lvds
1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright © 2006-2007 Intel Corporation
23 * LVDS I2C backlight control macros
62 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_get_max_backlight()
69 ret = dev_priv->regs.saveBLC_PWM_CTL; in psb_intel_lvds_get_max_backlight()
77 dev_err(dev->dev, "BL bug: Reg %08x save %08X\n", in psb_intel_lvds_get_max_backlight()
78 REG_READ(BLC_PWM_CTL), dev_priv->regs.saveBLC_PWM_CTL); in psb_intel_lvds_get_max_backlight()
83 * Set LVDS backlight level by I2C command
92 (struct drm_psb_private *)dev->dev_private; in psb_lvds_i2c_set_brightness()
94 struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus; in psb_lvds_i2c_set_brightness()
100 .addr = lvds_i2c_bus->slave_addr, in psb_lvds_i2c_set_brightness()
111 if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE) in psb_lvds_i2c_set_brightness()
112 blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness; in psb_lvds_i2c_set_brightness()
114 out_buf[0] = dev_priv->lvds_bl->brightnesscmd; in psb_lvds_i2c_set_brightness()
117 if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) { in psb_lvds_i2c_set_brightness()
118 dev_dbg(dev->dev, "I2C set brightness.(command, value) (%d, %d)\n", in psb_lvds_i2c_set_brightness()
119 dev_priv->lvds_bl->brightnesscmd, in psb_lvds_i2c_set_brightness()
124 dev_err(dev->dev, "I2C transfer error\n"); in psb_lvds_i2c_set_brightness()
125 return -1; in psb_lvds_i2c_set_brightness()
132 (struct drm_psb_private *)dev->dev_private; in psb_lvds_pwm_set_brightness()
144 if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE) in psb_lvds_pwm_set_brightness()
145 blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle; in psb_lvds_pwm_set_brightness()
152 dev_info(dev->dev, "Backlight lvds set brightness %08x\n", in psb_lvds_pwm_set_brightness()
160 * Set LVDS backlight level either by I2C or PWM
164 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_set_brightness()
166 dev_dbg(dev->dev, "backlight level is %d\n", level); in psb_intel_lvds_set_brightness()
168 if (!dev_priv->lvds_bl) { in psb_intel_lvds_set_brightness()
169 dev_err(dev->dev, "NO LVDS backlight info\n"); in psb_intel_lvds_set_brightness()
173 if (dev_priv->lvds_bl->type == BLC_I2C_TYPE) in psb_intel_lvds_set_brightness()
186 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_set_backlight()
195 dev_priv->regs.saveBLC_PWM_CTL = (blc_pwm_ctl | in psb_intel_lvds_set_backlight()
199 blc_pwm_ctl = dev_priv->regs.saveBLC_PWM_CTL & in psb_intel_lvds_set_backlight()
201 dev_priv->regs.saveBLC_PWM_CTL = (blc_pwm_ctl | in psb_intel_lvds_set_backlight()
207 * Sets the power state for the panel.
211 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_set_power()
212 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; in psb_intel_lvds_set_power()
216 dev_err(dev->dev, "set power, chip off!\n"); in psb_intel_lvds_set_power()
228 mode_dev->backlight_duty_cycle); in psb_intel_lvds_set_power()
244 struct drm_device *dev = encoder->dev; in psb_intel_lvds_encoder_dpms()
251 /* XXX: We never power down the LVDS pairs. */ in psb_intel_lvds_encoder_dpms()
256 struct drm_device *dev = connector->dev; in psb_intel_lvds_save()
258 (struct drm_psb_private *)dev->dev_private; in psb_intel_lvds_save()
261 (struct psb_intel_lvds_priv *)gma_encoder->dev_priv; in psb_intel_lvds_save()
263 lvds_priv->savePP_ON = REG_READ(LVDSPP_ON); in psb_intel_lvds_save()
264 lvds_priv->savePP_OFF = REG_READ(LVDSPP_OFF); in psb_intel_lvds_save()
265 lvds_priv->saveLVDS = REG_READ(LVDS); in psb_intel_lvds_save()
266 lvds_priv->savePP_CONTROL = REG_READ(PP_CONTROL); in psb_intel_lvds_save()
267 lvds_priv->savePP_CYCLE = REG_READ(PP_CYCLE); in psb_intel_lvds_save()
268 /*lvds_priv->savePP_DIVISOR = REG_READ(PP_DIVISOR);*/ in psb_intel_lvds_save()
269 lvds_priv->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL); in psb_intel_lvds_save()
270 lvds_priv->savePFIT_CONTROL = REG_READ(PFIT_CONTROL); in psb_intel_lvds_save()
271 lvds_priv->savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS); in psb_intel_lvds_save()
274 dev_priv->backlight_duty_cycle = (dev_priv->regs.saveBLC_PWM_CTL & in psb_intel_lvds_save()
281 if (dev_priv->backlight_duty_cycle == 0) in psb_intel_lvds_save()
282 dev_priv->backlight_duty_cycle = in psb_intel_lvds_save()
285 dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n", in psb_intel_lvds_save()
286 lvds_priv->savePP_ON, in psb_intel_lvds_save()
287 lvds_priv->savePP_OFF, in psb_intel_lvds_save()
288 lvds_priv->saveLVDS, in psb_intel_lvds_save()
289 lvds_priv->savePP_CONTROL, in psb_intel_lvds_save()
290 lvds_priv->savePP_CYCLE, in psb_intel_lvds_save()
291 lvds_priv->saveBLC_PWM_CTL); in psb_intel_lvds_save()
296 struct drm_device *dev = connector->dev; in psb_intel_lvds_restore()
300 (struct psb_intel_lvds_priv *)gma_encoder->dev_priv; in psb_intel_lvds_restore()
302 dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n", in psb_intel_lvds_restore()
303 lvds_priv->savePP_ON, in psb_intel_lvds_restore()
304 lvds_priv->savePP_OFF, in psb_intel_lvds_restore()
305 lvds_priv->saveLVDS, in psb_intel_lvds_restore()
306 lvds_priv->savePP_CONTROL, in psb_intel_lvds_restore()
307 lvds_priv->savePP_CYCLE, in psb_intel_lvds_restore()
308 lvds_priv->saveBLC_PWM_CTL); in psb_intel_lvds_restore()
310 REG_WRITE(BLC_PWM_CTL, lvds_priv->saveBLC_PWM_CTL); in psb_intel_lvds_restore()
311 REG_WRITE(PFIT_CONTROL, lvds_priv->savePFIT_CONTROL); in psb_intel_lvds_restore()
312 REG_WRITE(PFIT_PGM_RATIOS, lvds_priv->savePFIT_PGM_RATIOS); in psb_intel_lvds_restore()
313 REG_WRITE(LVDSPP_ON, lvds_priv->savePP_ON); in psb_intel_lvds_restore()
314 REG_WRITE(LVDSPP_OFF, lvds_priv->savePP_OFF); in psb_intel_lvds_restore()
315 /*REG_WRITE(PP_DIVISOR, lvds_priv->savePP_DIVISOR);*/ in psb_intel_lvds_restore()
316 REG_WRITE(PP_CYCLE, lvds_priv->savePP_CYCLE); in psb_intel_lvds_restore()
317 REG_WRITE(PP_CONTROL, lvds_priv->savePP_CONTROL); in psb_intel_lvds_restore()
318 REG_WRITE(LVDS, lvds_priv->saveLVDS); in psb_intel_lvds_restore()
320 if (lvds_priv->savePP_CONTROL & POWER_TARGET_ON) { in psb_intel_lvds_restore()
338 struct drm_psb_private *dev_priv = connector->dev->dev_private; in psb_intel_lvds_mode_valid()
341 dev_priv->mode_dev.panel_fixed_mode; in psb_intel_lvds_mode_valid()
343 if (gma_encoder->type == INTEL_OUTPUT_MIPI2) in psb_intel_lvds_mode_valid()
344 fixed_mode = dev_priv->mode_dev.panel_fixed_mode2; in psb_intel_lvds_mode_valid()
347 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) in psb_intel_lvds_mode_valid()
351 if (mode->flags & DRM_MODE_FLAG_INTERLACE) in psb_intel_lvds_mode_valid()
355 if (mode->hdisplay > fixed_mode->hdisplay) in psb_intel_lvds_mode_valid()
357 if (mode->vdisplay > fixed_mode->vdisplay) in psb_intel_lvds_mode_valid()
367 struct drm_device *dev = encoder->dev; in psb_intel_lvds_mode_fixup()
368 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_mode_fixup()
369 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; in psb_intel_lvds_mode_fixup()
370 struct gma_crtc *gma_crtc = to_gma_crtc(encoder->crtc); in psb_intel_lvds_mode_fixup()
372 struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode; in psb_intel_lvds_mode_fixup()
375 if (gma_encoder->type == INTEL_OUTPUT_MIPI2) in psb_intel_lvds_mode_fixup()
376 panel_fixed_mode = mode_dev->panel_fixed_mode2; in psb_intel_lvds_mode_fixup()
378 /* PSB requires the LVDS is on pipe B, MRST has only one pipe anyway */ in psb_intel_lvds_mode_fixup()
379 if (!IS_MRST(dev) && gma_crtc->pipe == 0) { in psb_intel_lvds_mode_fixup()
380 pr_err("Can't support LVDS on pipe A\n"); in psb_intel_lvds_mode_fixup()
383 if (IS_MRST(dev) && gma_crtc->pipe != 0) { in psb_intel_lvds_mode_fixup()
388 list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list, in psb_intel_lvds_mode_fixup()
391 && tmp_encoder->crtc == encoder->crtc) { in psb_intel_lvds_mode_fixup()
392 pr_err("Can't enable LVDS and another encoder on the same pipe\n"); in psb_intel_lvds_mode_fixup()
398 * If we have timings from the BIOS for the panel, put them in in psb_intel_lvds_mode_fixup()
400 * with the panel scaling set up to source from the H/VDisplay in psb_intel_lvds_mode_fixup()
404 adjusted_mode->hdisplay = panel_fixed_mode->hdisplay; in psb_intel_lvds_mode_fixup()
405 adjusted_mode->hsync_start = panel_fixed_mode->hsync_start; in psb_intel_lvds_mode_fixup()
406 adjusted_mode->hsync_end = panel_fixed_mode->hsync_end; in psb_intel_lvds_mode_fixup()
407 adjusted_mode->htotal = panel_fixed_mode->htotal; in psb_intel_lvds_mode_fixup()
408 adjusted_mode->vdisplay = panel_fixed_mode->vdisplay; in psb_intel_lvds_mode_fixup()
409 adjusted_mode->vsync_start = panel_fixed_mode->vsync_start; in psb_intel_lvds_mode_fixup()
410 adjusted_mode->vsync_end = panel_fixed_mode->vsync_end; in psb_intel_lvds_mode_fixup()
411 adjusted_mode->vtotal = panel_fixed_mode->vtotal; in psb_intel_lvds_mode_fixup()
412 adjusted_mode->clock = panel_fixed_mode->clock; in psb_intel_lvds_mode_fixup()
428 struct drm_device *dev = encoder->dev; in psb_intel_lvds_prepare()
429 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_prepare()
430 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; in psb_intel_lvds_prepare()
435 mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL); in psb_intel_lvds_prepare()
436 mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL & in psb_intel_lvds_prepare()
446 struct drm_device *dev = encoder->dev; in psb_intel_lvds_commit()
447 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_commit()
448 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; in psb_intel_lvds_commit()
450 if (mode_dev->backlight_duty_cycle == 0) in psb_intel_lvds_commit()
451 mode_dev->backlight_duty_cycle = in psb_intel_lvds_commit()
461 struct drm_device *dev = encoder->dev; in psb_intel_lvds_mode_set()
462 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_mode_set()
466 * The LVDS pin pair will already have been turned on in the in psb_intel_lvds_mode_set()
472 * Enable automatic panel scaling so that non-native modes fill the in psb_intel_lvds_mode_set()
476 if (mode->hdisplay != adjusted_mode->hdisplay || in psb_intel_lvds_mode_set()
477 mode->vdisplay != adjusted_mode->vdisplay) in psb_intel_lvds_mode_set()
484 if (dev_priv->lvds_dither) in psb_intel_lvds_mode_set()
495 struct drm_device *dev = connector->dev; in psb_intel_lvds_get_modes()
496 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_get_modes()
497 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; in psb_intel_lvds_get_modes()
499 struct psb_intel_lvds_priv *lvds_priv = gma_encoder->dev_priv; in psb_intel_lvds_get_modes()
503 ret = psb_intel_ddc_get_modes(connector, &lvds_priv->i2c_bus->adapter); in psb_intel_lvds_get_modes()
508 if (mode_dev->panel_fixed_mode != NULL) { in psb_intel_lvds_get_modes()
510 drm_mode_duplicate(dev, mode_dev->panel_fixed_mode); in psb_intel_lvds_get_modes()
519 * psb_intel_lvds_destroy - unregister and free LVDS structures
528 struct psb_intel_lvds_priv *lvds_priv = gma_encoder->dev_priv; in psb_intel_lvds_destroy()
530 psb_intel_i2c_destroy(lvds_priv->ddc_bus); in psb_intel_lvds_destroy()
540 struct drm_encoder *encoder = connector->encoder; in psb_intel_lvds_set_property()
543 return -1; in psb_intel_lvds_set_property()
545 if (!strcmp(property->name, "scaling mode")) { in psb_intel_lvds_set_property()
546 struct gma_crtc *crtc = to_gma_crtc(encoder->crtc); in psb_intel_lvds_set_property()
563 if (drm_object_property_get_value(&connector->base, in psb_intel_lvds_set_property()
571 if (drm_object_property_set_value(&connector->base, in psb_intel_lvds_set_property()
576 if (crtc->saved_mode.hdisplay != 0 && in psb_intel_lvds_set_property()
577 crtc->saved_mode.vdisplay != 0) { in psb_intel_lvds_set_property()
578 if (!drm_crtc_helper_set_mode(encoder->crtc, in psb_intel_lvds_set_property()
579 &crtc->saved_mode, in psb_intel_lvds_set_property()
580 encoder->crtc->x, in psb_intel_lvds_set_property()
581 encoder->crtc->y, in psb_intel_lvds_set_property()
582 encoder->crtc->primary->fb)) in psb_intel_lvds_set_property()
585 } else if (!strcmp(property->name, "backlight")) { in psb_intel_lvds_set_property()
586 if (drm_object_property_set_value(&connector->base, in psb_intel_lvds_set_property()
591 gma_backlight_set(encoder->dev, value); in psb_intel_lvds_set_property()
592 } else if (!strcmp(property->name, "DPMS")) { in psb_intel_lvds_set_property()
594 = encoder->helper_private; in psb_intel_lvds_set_property()
595 hfuncs->dpms(encoder, value); in psb_intel_lvds_set_property()
601 return -1; in psb_intel_lvds_set_property()
627 * psb_intel_lvds_init - setup LVDS connectors on this device
630 * Create the connector, register the LVDS DDC bus, and try to figure out what
631 * modes we can display on the LVDS panel (if present).
643 struct drm_psb_private *dev_priv = dev->dev_private; in psb_intel_lvds_init()
644 u32 lvds; in psb_intel_lvds_init() local
649 dev_err(dev->dev, "gma_encoder allocation error\n"); in psb_intel_lvds_init()
655 dev_err(dev->dev, "gma_connector allocation error\n"); in psb_intel_lvds_init()
661 dev_err(dev->dev, "LVDS private allocation error\n"); in psb_intel_lvds_init()
665 gma_encoder->dev_priv = lvds_priv; in psb_intel_lvds_init()
667 connector = &gma_connector->base; in psb_intel_lvds_init()
668 gma_connector->save = psb_intel_lvds_save; in psb_intel_lvds_init()
669 gma_connector->restore = psb_intel_lvds_restore; in psb_intel_lvds_init()
671 encoder = &gma_encoder->base; in psb_intel_lvds_init()
679 gma_encoder->type = INTEL_OUTPUT_LVDS; in psb_intel_lvds_init()
684 connector->display_info.subpixel_order = SubPixelHorizontalRGB; in psb_intel_lvds_init()
685 connector->interlace_allowed = false; in psb_intel_lvds_init()
686 connector->doublescan_allowed = false; in psb_intel_lvds_init()
689 drm_object_attach_property(&connector->base, in psb_intel_lvds_init()
690 dev->mode_config.scaling_mode_property, in psb_intel_lvds_init()
692 drm_object_attach_property(&connector->base, in psb_intel_lvds_init()
693 dev_priv->backlight_property, in psb_intel_lvds_init()
700 lvds_priv->i2c_bus = psb_intel_i2c_create(dev, GPIOB, "LVDSBLC_B"); in psb_intel_lvds_init()
701 if (!lvds_priv->i2c_bus) { in psb_intel_lvds_init()
703 &dev->pdev->dev, "I2C bus registration failed.\n"); in psb_intel_lvds_init()
706 lvds_priv->i2c_bus->slave_addr = 0x2C; in psb_intel_lvds_init()
707 dev_priv->lvds_i2c_bus = lvds_priv->i2c_bus; in psb_intel_lvds_init()
710 * LVDS discovery: in psb_intel_lvds_init()
713 * 3) check to see if LVDS is already on in psb_intel_lvds_init()
714 * if none of the above, no panel in psb_intel_lvds_init()
720 lvds_priv->ddc_bus = psb_intel_i2c_create(dev, GPIOC, "LVDSDDC_C"); in psb_intel_lvds_init()
721 if (!lvds_priv->ddc_bus) { in psb_intel_lvds_init()
722 dev_printk(KERN_ERR, &dev->pdev->dev, in psb_intel_lvds_init()
728 * Attempt to get the fixed panel mode from DDC. Assume that the in psb_intel_lvds_init()
731 mutex_lock(&dev->mode_config.mutex); in psb_intel_lvds_init()
732 psb_intel_ddc_get_modes(connector, &lvds_priv->ddc_bus->adapter); in psb_intel_lvds_init()
733 list_for_each_entry(scan, &connector->probed_modes, head) { in psb_intel_lvds_init()
734 if (scan->type & DRM_MODE_TYPE_PREFERRED) { in psb_intel_lvds_init()
735 mode_dev->panel_fixed_mode = in psb_intel_lvds_init()
743 if (dev_priv->lfp_lvds_vbt_mode) { in psb_intel_lvds_init()
744 mode_dev->panel_fixed_mode = in psb_intel_lvds_init()
745 drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); in psb_intel_lvds_init()
747 if (mode_dev->panel_fixed_mode) { in psb_intel_lvds_init()
748 mode_dev->panel_fixed_mode->type |= in psb_intel_lvds_init()
756 * If we didn't get EDID, try checking if the panel is already turned in psb_intel_lvds_init()
760 lvds = REG_READ(LVDS); in psb_intel_lvds_init()
761 pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; in psb_intel_lvds_init()
764 if (crtc && (lvds & LVDS_PORT_EN)) { in psb_intel_lvds_init()
765 mode_dev->panel_fixed_mode = in psb_intel_lvds_init()
767 if (mode_dev->panel_fixed_mode) { in psb_intel_lvds_init()
768 mode_dev->panel_fixed_mode->type |= in psb_intel_lvds_init()
770 DRM_DEBUG_KMS("Using pre-programmed mode\n"); in psb_intel_lvds_init()
776 if (!mode_dev->panel_fixed_mode) { in psb_intel_lvds_init()
777 dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n"); in psb_intel_lvds_init()
782 * Blacklist machines with BIOSes that list an LVDS panel without in psb_intel_lvds_init()
786 mutex_unlock(&dev->mode_config.mutex); in psb_intel_lvds_init()
791 mutex_unlock(&dev->mode_config.mutex); in psb_intel_lvds_init()
792 psb_intel_i2c_destroy(lvds_priv->ddc_bus); in psb_intel_lvds_init()
794 psb_intel_i2c_destroy(lvds_priv->i2c_bus); in psb_intel_lvds_init()