1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <linux/soc/mediatek/mtk-cmdq.h>
52 #define RDMA_FIFO_SIZE(rdma)			((rdma)->data->fifo_size)
78  * struct mtk_disp_rdma - DISP_RDMA driver structure
96 	writel(0x0, priv->regs + DISP_REG_RDMA_INT_STATUS);  in mtk_disp_rdma_irq_handler()
98 	if (!priv->vblank_cb)  in mtk_disp_rdma_irq_handler()
101 	priv->vblank_cb(priv->vblank_cb_data);  in mtk_disp_rdma_irq_handler()
110 	unsigned int tmp = readl(rdma->regs + reg);  in rdma_update_bits()
113 	writel(tmp, rdma->regs + reg);  in rdma_update_bits()
122 	rdma->vblank_cb = vblank_cb;  in mtk_rdma_register_vblank_cb()
123 	rdma->vblank_cb_data = vblank_cb_data;  in mtk_rdma_register_vblank_cb()
130 	rdma->vblank_cb = NULL;  in mtk_rdma_unregister_vblank_cb()
131 	rdma->vblank_cb_data = NULL;  in mtk_rdma_unregister_vblank_cb()
149 	return rdma->data->formats;  in mtk_rdma_get_formats()
156 	return rdma->data->num_formats;  in mtk_rdma_get_num_formats()
163 	return clk_prepare_enable(rdma->clk);  in mtk_rdma_clk_enable()
170 	clk_disable_unprepare(rdma->clk);  in mtk_rdma_clk_disable()
193 	mtk_ddp_write_mask(cmdq_pkt, width, &rdma->cmdq_reg, rdma->regs,  in mtk_rdma_config()
195 	mtk_ddp_write_mask(cmdq_pkt, height, &rdma->cmdq_reg, rdma->regs,  in mtk_rdma_config()
198 	if (rdma->fifo_size)  in mtk_rdma_config()
199 		rdma_fifo_size = rdma->fifo_size;  in mtk_rdma_config()
204 	 * Enable FIFO underflow since DSI and DPI can't be blocked.  in mtk_rdma_config()
213 	mtk_ddp_write(cmdq_pkt, reg, &rdma->cmdq_reg, rdma->regs, DISP_REG_RDMA_FIFO_CON);  in mtk_rdma_config()
263 	struct mtk_plane_pending_state *pending = &state->pending;  in mtk_rdma_layer_config()
264 	unsigned int addr = pending->addr;  in mtk_rdma_layer_config()
265 	unsigned int pitch = pending->pitch & 0xffff;  in mtk_rdma_layer_config()
266 	unsigned int fmt = pending->format;  in mtk_rdma_layer_config()
270 	mtk_ddp_write_relaxed(cmdq_pkt, con, &rdma->cmdq_reg, rdma->regs, DISP_RDMA_MEM_CON);  in mtk_rdma_layer_config()
273 		mtk_ddp_write_mask(cmdq_pkt, RDMA_MATRIX_ENABLE, &rdma->cmdq_reg, rdma->regs,  in mtk_rdma_layer_config()
277 				   &rdma->cmdq_reg, rdma->regs, DISP_REG_RDMA_SIZE_CON_0,  in mtk_rdma_layer_config()
280 		mtk_ddp_write_mask(cmdq_pkt, 0, &rdma->cmdq_reg, rdma->regs,  in mtk_rdma_layer_config()
284 	mtk_ddp_write_relaxed(cmdq_pkt, addr, &rdma->cmdq_reg, rdma->regs,  in mtk_rdma_layer_config()
286 	mtk_ddp_write_relaxed(cmdq_pkt, pitch, &rdma->cmdq_reg, rdma->regs,  in mtk_rdma_layer_config()
288 	mtk_ddp_write(cmdq_pkt, RDMA_MEM_GMC, &rdma->cmdq_reg, rdma->regs,  in mtk_rdma_layer_config()
290 	mtk_ddp_write_mask(cmdq_pkt, RDMA_MODE_MEMORY, &rdma->cmdq_reg, rdma->regs,  in mtk_rdma_layer_config()
314 	struct device *dev = &pdev->dev;  in mtk_disp_rdma_probe()
322 		return -ENOMEM;  in mtk_disp_rdma_probe()
328 	priv->clk = devm_clk_get(dev, NULL);  in mtk_disp_rdma_probe()
329 	if (IS_ERR(priv->clk))  in mtk_disp_rdma_probe()
330 		return dev_err_probe(dev, PTR_ERR(priv->clk),  in mtk_disp_rdma_probe()
334 	priv->regs = devm_ioremap_resource(dev, res);  in mtk_disp_rdma_probe()
335 	if (IS_ERR(priv->regs))  in mtk_disp_rdma_probe()
336 		return dev_err_probe(dev, PTR_ERR(priv->regs),  in mtk_disp_rdma_probe()
339 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);  in mtk_disp_rdma_probe()
341 		dev_dbg(dev, "get mediatek,gce-client-reg fail!\n");  in mtk_disp_rdma_probe()
344 	ret = of_property_read_u32(dev->of_node,  in mtk_disp_rdma_probe()
345 				   "mediatek,rdma-fifo-size",  in mtk_disp_rdma_probe()
346 				   &priv->fifo_size);  in mtk_disp_rdma_probe()
347 	if (ret && (ret != -EINVAL))  in mtk_disp_rdma_probe()
351 	writel(0x0, priv->regs + DISP_REG_RDMA_INT_ENABLE);  in mtk_disp_rdma_probe()
352 	writel(0x0, priv->regs + DISP_REG_RDMA_INT_STATUS);  in mtk_disp_rdma_probe()
359 	priv->data = of_device_get_match_data(dev);  in mtk_disp_rdma_probe()
376 	component_del(&pdev->dev, &mtk_disp_rdma_component_ops);  in mtk_disp_rdma_remove()
378 	pm_runtime_disable(&pdev->dev);  in mtk_disp_rdma_remove()
406 	{ .compatible = "mediatek,mt2701-disp-rdma",
408 	{ .compatible = "mediatek,mt8173-disp-rdma",
410 	{ .compatible = "mediatek,mt8183-disp-rdma",
412 	{ .compatible = "mediatek,mt8195-disp-rdma",
422 		.name	= "mediatek-disp-rdma",