1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (c) 2012-2013, NVIDIA Corporation.
37 	struct drm_device *dev = dev_get_drvdata(client->host);  in gr2d_init()
42 	gr2d->channel = host1x_channel_request(client);  in gr2d_init()
43 	if (!gr2d->channel)  in gr2d_init()
44 		return -ENOMEM;  in gr2d_init()
46 	client->syncpts[0] = host1x_syncpt_request(client, flags);  in gr2d_init()
47 	if (!client->syncpts[0]) {  in gr2d_init()
48 		err = -ENOMEM;  in gr2d_init()
49 		dev_err(client->dev, "failed to request syncpoint: %d\n", err);  in gr2d_init()
55 		dev_err(client->dev, "failed to attach to domain: %d\n", err);  in gr2d_init()
59 	err = tegra_drm_register_client(dev->dev_private, drm);  in gr2d_init()
61 		dev_err(client->dev, "failed to register client: %d\n", err);  in gr2d_init()
70 	host1x_syncpt_free(client->syncpts[0]);  in gr2d_init()
72 	host1x_channel_put(gr2d->channel);  in gr2d_init()
79 	struct drm_device *dev = dev_get_drvdata(client->host);  in gr2d_exit()
80 	struct tegra_drm *tegra = dev->dev_private;  in gr2d_exit()
89 	host1x_syncpt_free(client->syncpts[0]);  in gr2d_exit()
90 	host1x_channel_put(gr2d->channel);  in gr2d_exit()
105 	context->channel = host1x_channel_get(gr2d->channel);  in gr2d_open_channel()
106 	if (!context->channel)  in gr2d_open_channel()
107 		return -ENOMEM;  in gr2d_open_channel()
114 	host1x_channel_put(context->channel);  in gr2d_close_channel()
117 static int gr2d_is_addr_reg(struct device *dev, u32 class, u32 offset)  in gr2d_is_addr_reg()  argument
121 	switch (class) {  in gr2d_is_addr_reg()
133 		if (test_bit(offset, gr2d->addr_regs))  in gr2d_is_addr_reg()
142 static int gr2d_is_valid_class(u32 class)  in gr2d_is_valid_class()  argument
144 	return (class == HOST1X_CLASS_GR2D ||  in gr2d_is_valid_class()
145 		class == HOST1X_CLASS_GR2D_SB);  in gr2d_is_valid_class()
165 	{ .compatible = "nvidia,tegra30-gr2d", .data = &tegra20_gr2d_soc },
166 	{ .compatible = "nvidia,tegra20-gr2d", .data = &tegra30_gr2d_soc },
190 	struct device *dev = &pdev->dev;  in gr2d_probe()
198 		return -ENOMEM;  in gr2d_probe()
200 	gr2d->soc = of_device_get_match_data(dev);  in gr2d_probe()
204 		return -ENOMEM;  in gr2d_probe()
206 	gr2d->clk = devm_clk_get(dev, NULL);  in gr2d_probe()
207 	if (IS_ERR(gr2d->clk)) {  in gr2d_probe()
209 		return PTR_ERR(gr2d->clk);  in gr2d_probe()
212 	err = clk_prepare_enable(gr2d->clk);  in gr2d_probe()
218 	INIT_LIST_HEAD(&gr2d->client.base.list);  in gr2d_probe()
219 	gr2d->client.base.ops = &gr2d_client_ops;  in gr2d_probe()
220 	gr2d->client.base.dev = dev;  in gr2d_probe()
221 	gr2d->client.base.class = HOST1X_CLASS_GR2D;  in gr2d_probe()
222 	gr2d->client.base.syncpts = syncpts;  in gr2d_probe()
223 	gr2d->client.base.num_syncpts = 1;  in gr2d_probe()
225 	INIT_LIST_HEAD(&gr2d->client.list);  in gr2d_probe()
226 	gr2d->client.version = gr2d->soc->version;  in gr2d_probe()
227 	gr2d->client.ops = &gr2d_ops;  in gr2d_probe()
229 	err = host1x_client_register(&gr2d->client.base);  in gr2d_probe()
231 		dev_err(dev, "failed to register host1x client: %d\n", err);  in gr2d_probe()
232 		clk_disable_unprepare(gr2d->clk);  in gr2d_probe()
238 		set_bit(gr2d_addr_regs[i], gr2d->addr_regs);  in gr2d_probe()
250 	err = host1x_client_unregister(&gr2d->client.base);  in gr2d_remove()
252 		dev_err(&pdev->dev, "failed to unregister host1x client: %d\n",  in gr2d_remove()
257 	clk_disable_unprepare(gr2d->clk);  in gr2d_remove()
264 		.name = "tegra-gr2d",