1 // SPDX-License-Identifier: GPL-2.0
31 /* Base address of the output.  Raster formats must be 4-byte aligned,
32  * T and LT must be 16-byte aligned or maybe utile-aligned (docs are
37 /* Pitch in bytes for raster images, 16-byte aligned.  For tiled, it's
41 /* For T-tiled imgaes, DST_PITCH should be the number of tiles wide,
45 /* For LT-tiled images, DST_PITCH should be the number of utiles wide,
50 /* Pre-rotation width/height of the image.  Must match HVS config.
52  * If TFORMAT and 32-bit, limit is 1920 for 32-bit and 3840 to 16-bit
53  * and width/height must be tile or utile-aligned as appropriate.  If
69 /* Bits 22-23 are set to 0x01 */
113 /* 888s are non-rotated, raster-only */
133 /* Request odd field from HVS. */
142 /* Starts a frame.  Self-clearing. */
154 		readl(txp->regs + (offset));						\
160 		writel(val, txp->regs + (offset));					\
191 	struct drm_device *dev = connector->dev;  in vc4_txp_connector_get_modes()
193 	return drm_add_modes_noedid(connector, dev->mode_config.max_width,  in vc4_txp_connector_get_modes()
194 				    dev->mode_config.max_height);  in vc4_txp_connector_get_modes()
201 	struct drm_device *dev = connector->dev;  in vc4_txp_connector_mode_valid()
202 	struct drm_mode_config *mode_config = &dev->mode_config;  in vc4_txp_connector_mode_valid()
203 	int w = mode->hdisplay, h = mode->vdisplay;  in vc4_txp_connector_mode_valid()
205 	if (w < mode_config->min_width || w > mode_config->max_width)  in vc4_txp_connector_mode_valid()
208 	if (h < mode_config->min_height || h > mode_config->max_height)  in vc4_txp_connector_mode_valid()
244 	vc4_state->txp_armed = true;  in vc4_txp_armed()
256 	if (!conn_state->writeback_job)  in vc4_txp_connector_atomic_check()
259 	crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);  in vc4_txp_connector_atomic_check()
261 	fb = conn_state->writeback_job->fb;  in vc4_txp_connector_atomic_check()
262 	if (fb->width != crtc_state->mode.hdisplay ||  in vc4_txp_connector_atomic_check()
263 	    fb->height != crtc_state->mode.vdisplay) {  in vc4_txp_connector_atomic_check()
265 			      fb->width, fb->height);  in vc4_txp_connector_atomic_check()
266 		return -EINVAL;  in vc4_txp_connector_atomic_check()
270 		if (fb->format->format == drm_fmts[i])  in vc4_txp_connector_atomic_check()
275 		return -EINVAL;  in vc4_txp_connector_atomic_check()
278 	if (fb->pitches[0] & GENMASK(3, 0))  in vc4_txp_connector_atomic_check()
279 		return -EINVAL;  in vc4_txp_connector_atomic_check()
289 	struct drm_device *drm = conn->dev;  in vc4_txp_connector_atomic_commit()
293 	const struct vc4_txp_data *txp_data = txp->data;  in vc4_txp_connector_atomic_commit()
304 	if (WARN_ON(!conn_state->writeback_job))  in vc4_txp_connector_atomic_commit()
307 	mode = &conn_state->crtc->state->adjusted_mode;  in vc4_txp_connector_atomic_commit()
308 	fb = conn_state->writeback_job->fb;  in vc4_txp_connector_atomic_commit()
311 		if (fb->format->format == drm_fmts[i])  in vc4_txp_connector_atomic_commit()
321 	if (txp_data->has_byte_enable)  in vc4_txp_connector_atomic_commit()
324 	if (fb->format->has_alpha)  in vc4_txp_connector_atomic_commit()
337 	addr = gem->dma_addr + fb->offsets[0];  in vc4_txp_connector_atomic_commit()
341 	if (txp_data->supports_40bit_addresses)  in vc4_txp_connector_atomic_commit()
342 		TXP_WRITE(txp_data->high_addr_ptr_reg, upper_32_bits(addr) & 0xff);  in vc4_txp_connector_atomic_commit()
344 	TXP_WRITE(TXP_DST_PITCH, fb->pitches[0]);  in vc4_txp_connector_atomic_commit()
346 	hdisplay = mode->hdisplay ?: 1;  in vc4_txp_connector_atomic_commit()
347 	vdisplay = mode->vdisplay ?: 1;  in vc4_txp_connector_atomic_commit()
348 	if (txp_data->size_minus_one) {  in vc4_txp_connector_atomic_commit()
349 		hdisplay -= 1;  in vc4_txp_connector_atomic_commit()
350 		vdisplay -= 1;  in vc4_txp_connector_atomic_commit()
359 	drm_writeback_queue_job(&txp->connector, conn_state);  in vc4_txp_connector_atomic_commit()
388 	struct drm_device *drm = encoder->dev;  in vc4_txp_encoder_disable()
408 	if (vc4->gen < VC4_GEN_6_C)  in vc4_txp_encoder_disable()
447 	crtc_state->no_vblank = true;  in vc4_txp_atomic_check()
462 	struct drm_device *dev = crtc->dev;  in vc4_txp_atomic_disable()
473 	if (crtc->state->event) {  in vc4_txp_atomic_disable()
476 		spin_lock_irqsave(&dev->event_lock, flags);  in vc4_txp_atomic_disable()
477 		drm_crtc_send_vblank_event(crtc, crtc->state->event);  in vc4_txp_atomic_disable()
478 		crtc->state->event = NULL;  in vc4_txp_atomic_disable()
479 		spin_unlock_irqrestore(&dev->event_lock, flags);  in vc4_txp_atomic_disable()
494 	struct vc4_crtc *vc4_crtc = &txp->base;  in vc4_txp_interrupt()
508 	drm_writeback_signal_completion(&txp->connector, 0);  in vc4_txp_interrupt()
568 		return -ENOMEM;  in vc4_txp_bind()
572 		return -ENODEV;  in vc4_txp_bind()
574 	txp->data = txp_data;  in vc4_txp_bind()
575 	txp->pdev = pdev;  in vc4_txp_bind()
576 	txp->regs = vc4_ioremap_regs(pdev, 0);  in vc4_txp_bind()
577 	if (IS_ERR(txp->regs))  in vc4_txp_bind()
578 		return PTR_ERR(txp->regs);  in vc4_txp_bind()
580 	vc4_crtc = &txp->base;  in vc4_txp_bind()
581 	vc4_crtc->regset.base = txp->regs;  in vc4_txp_bind()
582 	vc4_crtc->regset.regs = txp_regs;  in vc4_txp_bind()
583 	vc4_crtc->regset.nregs = ARRAY_SIZE(txp_regs);  in vc4_txp_bind()
585 	ret = vc4_crtc_init(drm, pdev, vc4_crtc, &txp_data->base,  in vc4_txp_bind()
590 	vc4_encoder = &txp->encoder;  in vc4_txp_bind()
591 	txp->encoder.type = txp_data->encoder_type;  in vc4_txp_bind()
593 	encoder = &vc4_encoder->base;  in vc4_txp_bind()
594 	encoder->possible_crtcs = drm_crtc_mask(&vc4_crtc->base);  in vc4_txp_bind()
602 	drm_connector_helper_add(&txp->connector.base,  in vc4_txp_bind()
604 	ret = drm_writeback_connector_init_with_encoder(drm, &txp->connector,  in vc4_txp_bind()
626 	drm_connector_cleanup(&txp->connector.base);  in vc4_txp_unbind()
636 	return component_add(&pdev->dev, &vc4_txp_ops);  in vc4_txp_probe()
641 	component_del(&pdev->dev, &vc4_txp_ops);  in vc4_txp_remove()
645 	{ .compatible = "brcm,bcm2712-mop", .data = &bcm2712_mop_data },
646 	{ .compatible = "brcm,bcm2712-moplet", .data = &bcm2712_moplet_data },
647 	{ .compatible = "brcm,bcm2835-txp", .data = &bcm2835_txp_data },