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1/*
2 * rcar_du_drv.c -- R-Car Display Unit DRM driver
3 *
4 * Copyright (C) 2013-2015 Renesas Electronics Corporation
5 *
6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#include <linux/clk.h>
15#include <linux/io.h>
16#include <linux/mm.h>
17#include <linux/module.h>
18#include <linux/of_device.h>
19#include <linux/platform_device.h>
20#include <linux/pm.h>
21#include <linux/slab.h>
22#include <linux/wait.h>
23
24#include <drm/drmP.h>
25#include <drm/drm_crtc_helper.h>
26#include <drm/drm_fb_cma_helper.h>
27#include <drm/drm_gem_cma_helper.h>
28
29#include "rcar_du_crtc.h"
30#include "rcar_du_drv.h"
31#include "rcar_du_kms.h"
32#include "rcar_du_regs.h"
33
34/* -----------------------------------------------------------------------------
35 * Device Information
36 */
37
38static const struct rcar_du_device_info rcar_du_r8a7779_info = {
39 .gen = 2,
40 .features = 0,
41 .num_crtcs = 2,
42 .routes = {
43 /* R8A7779 has two RGB outputs and one (currently unsupported)
44 * TCON output.
45 */
46 [RCAR_DU_OUTPUT_DPAD0] = {
47 .possible_crtcs = BIT(0),
48 .encoder_type = DRM_MODE_ENCODER_NONE,
49 .port = 0,
50 },
51 [RCAR_DU_OUTPUT_DPAD1] = {
52 .possible_crtcs = BIT(1) | BIT(0),
53 .encoder_type = DRM_MODE_ENCODER_NONE,
54 .port = 1,
55 },
56 },
57 .num_lvds = 0,
58};
59
60static const struct rcar_du_device_info rcar_du_r8a7790_info = {
61 .gen = 2,
62 .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
63 | RCAR_DU_FEATURE_EXT_CTRL_REGS,
64 .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES,
65 .num_crtcs = 3,
66 .routes = {
67 /* R8A7790 has one RGB output, two LVDS outputs and one
68 * (currently unsupported) TCON output.
69 */
70 [RCAR_DU_OUTPUT_DPAD0] = {
71 .possible_crtcs = BIT(2) | BIT(1) | BIT(0),
72 .encoder_type = DRM_MODE_ENCODER_NONE,
73 .port = 0,
74 },
75 [RCAR_DU_OUTPUT_LVDS0] = {
76 .possible_crtcs = BIT(0),
77 .encoder_type = DRM_MODE_ENCODER_LVDS,
78 .port = 1,
79 },
80 [RCAR_DU_OUTPUT_LVDS1] = {
81 .possible_crtcs = BIT(2) | BIT(1),
82 .encoder_type = DRM_MODE_ENCODER_LVDS,
83 .port = 2,
84 },
85 },
86 .num_lvds = 2,
87};
88
89/* M2-W (r8a7791) and M2-N (r8a7793) are identical */
90static const struct rcar_du_device_info rcar_du_r8a7791_info = {
91 .gen = 2,
92 .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
93 | RCAR_DU_FEATURE_EXT_CTRL_REGS,
94 .num_crtcs = 2,
95 .routes = {
96 /* R8A779[13] has one RGB output, one LVDS output and one
97 * (currently unsupported) TCON output.
98 */
99 [RCAR_DU_OUTPUT_DPAD0] = {
100 .possible_crtcs = BIT(1) | BIT(0),
101 .encoder_type = DRM_MODE_ENCODER_NONE,
102 .port = 0,
103 },
104 [RCAR_DU_OUTPUT_LVDS0] = {
105 .possible_crtcs = BIT(0),
106 .encoder_type = DRM_MODE_ENCODER_LVDS,
107 .port = 1,
108 },
109 },
110 .num_lvds = 1,
111};
112
113static const struct rcar_du_device_info rcar_du_r8a7794_info = {
114 .gen = 2,
115 .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
116 | RCAR_DU_FEATURE_EXT_CTRL_REGS,
117 .num_crtcs = 2,
118 .routes = {
119 /* R8A7794 has two RGB outputs and one (currently unsupported)
120 * TCON output.
121 */
122 [RCAR_DU_OUTPUT_DPAD0] = {
123 .possible_crtcs = BIT(0),
124 .encoder_type = DRM_MODE_ENCODER_NONE,
125 .port = 0,
126 },
127 [RCAR_DU_OUTPUT_DPAD1] = {
128 .possible_crtcs = BIT(1),
129 .encoder_type = DRM_MODE_ENCODER_NONE,
130 .port = 1,
131 },
132 },
133 .num_lvds = 0,
134};
135
136static const struct rcar_du_device_info rcar_du_r8a7795_info = {
137 .gen = 3,
138 .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
139 | RCAR_DU_FEATURE_EXT_CTRL_REGS
140 | RCAR_DU_FEATURE_VSP1_SOURCE,
141 .num_crtcs = 4,
142 .routes = {
143 /* R8A7795 has one RGB output, one LVDS output and two
144 * (currently unsupported) HDMI outputs.
145 */
146 [RCAR_DU_OUTPUT_DPAD0] = {
147 .possible_crtcs = BIT(3),
148 .encoder_type = DRM_MODE_ENCODER_NONE,
149 .port = 0,
150 },
151 [RCAR_DU_OUTPUT_LVDS0] = {
152 .possible_crtcs = BIT(0),
153 .encoder_type = DRM_MODE_ENCODER_LVDS,
154 .port = 3,
155 },
156 },
157 .num_lvds = 1,
158};
159
160static const struct of_device_id rcar_du_of_table[] = {
161 { .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info },
162 { .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info },
163 { .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info },
164 { .compatible = "renesas,du-r8a7793", .data = &rcar_du_r8a7791_info },
165 { .compatible = "renesas,du-r8a7794", .data = &rcar_du_r8a7794_info },
166 { .compatible = "renesas,du-r8a7795", .data = &rcar_du_r8a7795_info },
167 { }
168};
169
170MODULE_DEVICE_TABLE(of, rcar_du_of_table);
171
172/* -----------------------------------------------------------------------------
173 * DRM operations
174 */
175
176static void rcar_du_lastclose(struct drm_device *dev)
177{
178 struct rcar_du_device *rcdu = dev->dev_private;
179
180 drm_fbdev_cma_restore_mode(rcdu->fbdev);
181}
182
183static int rcar_du_enable_vblank(struct drm_device *dev, unsigned int pipe)
184{
185 struct rcar_du_device *rcdu = dev->dev_private;
186
187 rcar_du_crtc_enable_vblank(&rcdu->crtcs[pipe], true);
188
189 return 0;
190}
191
192static void rcar_du_disable_vblank(struct drm_device *dev, unsigned int pipe)
193{
194 struct rcar_du_device *rcdu = dev->dev_private;
195
196 rcar_du_crtc_enable_vblank(&rcdu->crtcs[pipe], false);
197}
198
199static const struct file_operations rcar_du_fops = {
200 .owner = THIS_MODULE,
201 .open = drm_open,
202 .release = drm_release,
203 .unlocked_ioctl = drm_ioctl,
204#ifdef CONFIG_COMPAT
205 .compat_ioctl = drm_compat_ioctl,
206#endif
207 .poll = drm_poll,
208 .read = drm_read,
209 .llseek = no_llseek,
210 .mmap = drm_gem_cma_mmap,
211};
212
213static struct drm_driver rcar_du_driver = {
214 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME
215 | DRIVER_ATOMIC,
216 .lastclose = rcar_du_lastclose,
217 .get_vblank_counter = drm_vblank_no_hw_counter,
218 .enable_vblank = rcar_du_enable_vblank,
219 .disable_vblank = rcar_du_disable_vblank,
220 .gem_free_object = drm_gem_cma_free_object,
221 .gem_vm_ops = &drm_gem_cma_vm_ops,
222 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
223 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
224 .gem_prime_import = drm_gem_prime_import,
225 .gem_prime_export = drm_gem_prime_export,
226 .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
227 .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
228 .gem_prime_vmap = drm_gem_cma_prime_vmap,
229 .gem_prime_vunmap = drm_gem_cma_prime_vunmap,
230 .gem_prime_mmap = drm_gem_cma_prime_mmap,
231 .dumb_create = rcar_du_dumb_create,
232 .dumb_map_offset = drm_gem_cma_dumb_map_offset,
233 .dumb_destroy = drm_gem_dumb_destroy,
234 .fops = &rcar_du_fops,
235 .name = "rcar-du",
236 .desc = "Renesas R-Car Display Unit",
237 .date = "20130110",
238 .major = 1,
239 .minor = 0,
240};
241
242/* -----------------------------------------------------------------------------
243 * Power management
244 */
245
246#ifdef CONFIG_PM_SLEEP
247static int rcar_du_pm_suspend(struct device *dev)
248{
249 struct rcar_du_device *rcdu = dev_get_drvdata(dev);
250
251 drm_kms_helper_poll_disable(rcdu->ddev);
252 /* TODO Suspend the CRTC */
253
254 return 0;
255}
256
257static int rcar_du_pm_resume(struct device *dev)
258{
259 struct rcar_du_device *rcdu = dev_get_drvdata(dev);
260
261 /* TODO Resume the CRTC */
262
263 drm_kms_helper_poll_enable(rcdu->ddev);
264 return 0;
265}
266#endif
267
268static const struct dev_pm_ops rcar_du_pm_ops = {
269 SET_SYSTEM_SLEEP_PM_OPS(rcar_du_pm_suspend, rcar_du_pm_resume)
270};
271
272/* -----------------------------------------------------------------------------
273 * Platform driver
274 */
275
276static int rcar_du_remove(struct platform_device *pdev)
277{
278 struct rcar_du_device *rcdu = platform_get_drvdata(pdev);
279 struct drm_device *ddev = rcdu->ddev;
280
281 mutex_lock(&ddev->mode_config.mutex);
282 drm_connector_unplug_all(ddev);
283 mutex_unlock(&ddev->mode_config.mutex);
284
285 drm_dev_unregister(ddev);
286
287 if (rcdu->fbdev)
288 drm_fbdev_cma_fini(rcdu->fbdev);
289
290 drm_kms_helper_poll_fini(ddev);
291 drm_mode_config_cleanup(ddev);
292 drm_vblank_cleanup(ddev);
293
294 drm_dev_unref(ddev);
295
296 return 0;
297}
298
299static int rcar_du_probe(struct platform_device *pdev)
300{
301 struct device_node *np = pdev->dev.of_node;
302 struct rcar_du_device *rcdu;
303 struct drm_connector *connector;
304 struct drm_device *ddev;
305 struct resource *mem;
306 int ret;
307
308 if (np == NULL) {
309 dev_err(&pdev->dev, "no device tree node\n");
310 return -ENODEV;
311 }
312
313 /* Allocate and initialize the DRM and R-Car device structures. */
314 rcdu = devm_kzalloc(&pdev->dev, sizeof(*rcdu), GFP_KERNEL);
315 if (rcdu == NULL)
316 return -ENOMEM;
317
318 init_waitqueue_head(&rcdu->commit.wait);
319
320 rcdu->dev = &pdev->dev;
321 rcdu->info = of_match_device(rcar_du_of_table, rcdu->dev)->data;
322
323 ddev = drm_dev_alloc(&rcar_du_driver, &pdev->dev);
324 if (!ddev)
325 return -ENOMEM;
326
327 drm_dev_set_unique(ddev, dev_name(&pdev->dev));
328
329 rcdu->ddev = ddev;
330 ddev->dev_private = rcdu;
331
332 platform_set_drvdata(pdev, rcdu);
333
334 /* I/O resources */
335 mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
336 rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem);
337 if (IS_ERR(rcdu->mmio)) {
338 ret = PTR_ERR(rcdu->mmio);
339 goto error;
340 }
341
342 /* Initialize vertical blanking interrupts handling. Start with vblank
343 * disabled for all CRTCs.
344 */
345 ret = drm_vblank_init(ddev, (1 << rcdu->info->num_crtcs) - 1);
346 if (ret < 0) {
347 dev_err(&pdev->dev, "failed to initialize vblank\n");
348 goto error;
349 }
350
351 /* DRM/KMS objects */
352 ret = rcar_du_modeset_init(rcdu);
353 if (ret < 0) {
354 dev_err(&pdev->dev, "failed to initialize DRM/KMS (%d)\n", ret);
355 goto error;
356 }
357
358 ddev->irq_enabled = 1;
359
360 /* Register the DRM device with the core and the connectors with
361 * sysfs.
362 */
363 ret = drm_dev_register(ddev, 0);
364 if (ret)
365 goto error;
366
367 mutex_lock(&ddev->mode_config.mutex);
368 drm_for_each_connector(connector, ddev) {
369 ret = drm_connector_register(connector);
370 if (ret < 0)
371 break;
372 }
373 mutex_unlock(&ddev->mode_config.mutex);
374
375 if (ret < 0)
376 goto error;
377
378 DRM_INFO("Device %s probed\n", dev_name(&pdev->dev));
379
380 return 0;
381
382error:
383 rcar_du_remove(pdev);
384
385 return ret;
386}
387
388static struct platform_driver rcar_du_platform_driver = {
389 .probe = rcar_du_probe,
390 .remove = rcar_du_remove,
391 .driver = {
392 .name = "rcar-du",
393 .pm = &rcar_du_pm_ops,
394 .of_match_table = rcar_du_of_table,
395 },
396};
397
398module_platform_driver(rcar_du_platform_driver);
399
400MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");
401MODULE_DESCRIPTION("Renesas R-Car Display Unit DRM Driver");
402MODULE_LICENSE("GPL");
1/*
2 * rcar_du_drv.c -- R-Car Display Unit DRM driver
3 *
4 * Copyright (C) 2013 Renesas Corporation
5 *
6 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 */
13
14#include <linux/clk.h>
15#include <linux/io.h>
16#include <linux/mm.h>
17#include <linux/module.h>
18#include <linux/platform_device.h>
19#include <linux/pm.h>
20#include <linux/slab.h>
21
22#include <drm/drmP.h>
23#include <drm/drm_crtc_helper.h>
24#include <drm/drm_fb_cma_helper.h>
25#include <drm/drm_gem_cma_helper.h>
26
27#include "rcar_du_crtc.h"
28#include "rcar_du_drv.h"
29#include "rcar_du_kms.h"
30#include "rcar_du_regs.h"
31
32/* -----------------------------------------------------------------------------
33 * DRM operations
34 */
35
36static int rcar_du_unload(struct drm_device *dev)
37{
38 struct rcar_du_device *rcdu = dev->dev_private;
39
40 if (rcdu->fbdev)
41 drm_fbdev_cma_fini(rcdu->fbdev);
42
43 drm_kms_helper_poll_fini(dev);
44 drm_mode_config_cleanup(dev);
45 drm_vblank_cleanup(dev);
46
47 dev->irq_enabled = 0;
48 dev->dev_private = NULL;
49
50 return 0;
51}
52
53static int rcar_du_load(struct drm_device *dev, unsigned long flags)
54{
55 struct platform_device *pdev = dev->platformdev;
56 struct rcar_du_platform_data *pdata = pdev->dev.platform_data;
57 struct rcar_du_device *rcdu;
58 struct resource *mem;
59 int ret;
60
61 if (pdata == NULL) {
62 dev_err(dev->dev, "no platform data\n");
63 return -ENODEV;
64 }
65
66 rcdu = devm_kzalloc(&pdev->dev, sizeof(*rcdu), GFP_KERNEL);
67 if (rcdu == NULL) {
68 dev_err(dev->dev, "failed to allocate private data\n");
69 return -ENOMEM;
70 }
71
72 rcdu->dev = &pdev->dev;
73 rcdu->pdata = pdata;
74 rcdu->info = (struct rcar_du_device_info *)pdev->id_entry->driver_data;
75 rcdu->ddev = dev;
76 dev->dev_private = rcdu;
77
78 /* I/O resources */
79 mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
80 rcdu->mmio = devm_ioremap_resource(&pdev->dev, mem);
81 if (IS_ERR(rcdu->mmio))
82 return PTR_ERR(rcdu->mmio);
83
84 /* DRM/KMS objects */
85 ret = rcar_du_modeset_init(rcdu);
86 if (ret < 0) {
87 dev_err(&pdev->dev, "failed to initialize DRM/KMS\n");
88 goto done;
89 }
90
91 /* vblank handling */
92 ret = drm_vblank_init(dev, (1 << rcdu->num_crtcs) - 1);
93 if (ret < 0) {
94 dev_err(&pdev->dev, "failed to initialize vblank\n");
95 goto done;
96 }
97
98 dev->irq_enabled = 1;
99
100 platform_set_drvdata(pdev, rcdu);
101
102done:
103 if (ret)
104 rcar_du_unload(dev);
105
106 return ret;
107}
108
109static void rcar_du_preclose(struct drm_device *dev, struct drm_file *file)
110{
111 struct rcar_du_device *rcdu = dev->dev_private;
112 unsigned int i;
113
114 for (i = 0; i < rcdu->num_crtcs; ++i)
115 rcar_du_crtc_cancel_page_flip(&rcdu->crtcs[i], file);
116}
117
118static void rcar_du_lastclose(struct drm_device *dev)
119{
120 struct rcar_du_device *rcdu = dev->dev_private;
121
122 drm_fbdev_cma_restore_mode(rcdu->fbdev);
123}
124
125static int rcar_du_enable_vblank(struct drm_device *dev, int crtc)
126{
127 struct rcar_du_device *rcdu = dev->dev_private;
128
129 rcar_du_crtc_enable_vblank(&rcdu->crtcs[crtc], true);
130
131 return 0;
132}
133
134static void rcar_du_disable_vblank(struct drm_device *dev, int crtc)
135{
136 struct rcar_du_device *rcdu = dev->dev_private;
137
138 rcar_du_crtc_enable_vblank(&rcdu->crtcs[crtc], false);
139}
140
141static const struct file_operations rcar_du_fops = {
142 .owner = THIS_MODULE,
143 .open = drm_open,
144 .release = drm_release,
145 .unlocked_ioctl = drm_ioctl,
146#ifdef CONFIG_COMPAT
147 .compat_ioctl = drm_compat_ioctl,
148#endif
149 .poll = drm_poll,
150 .read = drm_read,
151 .llseek = no_llseek,
152 .mmap = drm_gem_cma_mmap,
153};
154
155static struct drm_driver rcar_du_driver = {
156 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME,
157 .load = rcar_du_load,
158 .unload = rcar_du_unload,
159 .preclose = rcar_du_preclose,
160 .lastclose = rcar_du_lastclose,
161 .get_vblank_counter = drm_vblank_count,
162 .enable_vblank = rcar_du_enable_vblank,
163 .disable_vblank = rcar_du_disable_vblank,
164 .gem_free_object = drm_gem_cma_free_object,
165 .gem_vm_ops = &drm_gem_cma_vm_ops,
166 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
167 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
168 .gem_prime_import = drm_gem_prime_import,
169 .gem_prime_export = drm_gem_prime_export,
170 .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table,
171 .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table,
172 .gem_prime_vmap = drm_gem_cma_prime_vmap,
173 .gem_prime_vunmap = drm_gem_cma_prime_vunmap,
174 .gem_prime_mmap = drm_gem_cma_prime_mmap,
175 .dumb_create = rcar_du_dumb_create,
176 .dumb_map_offset = drm_gem_cma_dumb_map_offset,
177 .dumb_destroy = drm_gem_dumb_destroy,
178 .fops = &rcar_du_fops,
179 .name = "rcar-du",
180 .desc = "Renesas R-Car Display Unit",
181 .date = "20130110",
182 .major = 1,
183 .minor = 0,
184};
185
186/* -----------------------------------------------------------------------------
187 * Power management
188 */
189
190#if CONFIG_PM_SLEEP
191static int rcar_du_pm_suspend(struct device *dev)
192{
193 struct rcar_du_device *rcdu = dev_get_drvdata(dev);
194
195 drm_kms_helper_poll_disable(rcdu->ddev);
196 /* TODO Suspend the CRTC */
197
198 return 0;
199}
200
201static int rcar_du_pm_resume(struct device *dev)
202{
203 struct rcar_du_device *rcdu = dev_get_drvdata(dev);
204
205 /* TODO Resume the CRTC */
206
207 drm_kms_helper_poll_enable(rcdu->ddev);
208 return 0;
209}
210#endif
211
212static const struct dev_pm_ops rcar_du_pm_ops = {
213 SET_SYSTEM_SLEEP_PM_OPS(rcar_du_pm_suspend, rcar_du_pm_resume)
214};
215
216/* -----------------------------------------------------------------------------
217 * Platform driver
218 */
219
220static int rcar_du_probe(struct platform_device *pdev)
221{
222 return drm_platform_init(&rcar_du_driver, pdev);
223}
224
225static int rcar_du_remove(struct platform_device *pdev)
226{
227 struct rcar_du_device *rcdu = platform_get_drvdata(pdev);
228
229 drm_put_dev(rcdu->ddev);
230
231 return 0;
232}
233
234static const struct rcar_du_device_info rcar_du_r8a7779_info = {
235 .features = 0,
236 .num_crtcs = 2,
237 .routes = {
238 /* R8A7779 has two RGB outputs and one (currently unsupported)
239 * TCON output.
240 */
241 [RCAR_DU_OUTPUT_DPAD0] = {
242 .possible_crtcs = BIT(0),
243 .encoder_type = DRM_MODE_ENCODER_NONE,
244 },
245 [RCAR_DU_OUTPUT_DPAD1] = {
246 .possible_crtcs = BIT(1) | BIT(0),
247 .encoder_type = DRM_MODE_ENCODER_NONE,
248 },
249 },
250 .num_lvds = 0,
251};
252
253static const struct rcar_du_device_info rcar_du_r8a7790_info = {
254 .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8,
255 .quirks = RCAR_DU_QUIRK_ALIGN_128B | RCAR_DU_QUIRK_LVDS_LANES,
256 .num_crtcs = 3,
257 .routes = {
258 /* R8A7790 has one RGB output, two LVDS outputs and one
259 * (currently unsupported) TCON output.
260 */
261 [RCAR_DU_OUTPUT_DPAD0] = {
262 .possible_crtcs = BIT(2) | BIT(1) | BIT(0),
263 .encoder_type = DRM_MODE_ENCODER_NONE,
264 },
265 [RCAR_DU_OUTPUT_LVDS0] = {
266 .possible_crtcs = BIT(0),
267 .encoder_type = DRM_MODE_ENCODER_LVDS,
268 },
269 [RCAR_DU_OUTPUT_LVDS1] = {
270 .possible_crtcs = BIT(2) | BIT(1),
271 .encoder_type = DRM_MODE_ENCODER_LVDS,
272 },
273 },
274 .num_lvds = 2,
275};
276
277static const struct rcar_du_device_info rcar_du_r8a7791_info = {
278 .features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK | RCAR_DU_FEATURE_DEFR8,
279 .num_crtcs = 2,
280 .routes = {
281 /* R8A7791 has one RGB output, one LVDS output and one
282 * (currently unsupported) TCON output.
283 */
284 [RCAR_DU_OUTPUT_DPAD0] = {
285 .possible_crtcs = BIT(1),
286 .encoder_type = DRM_MODE_ENCODER_NONE,
287 },
288 [RCAR_DU_OUTPUT_LVDS0] = {
289 .possible_crtcs = BIT(0),
290 .encoder_type = DRM_MODE_ENCODER_LVDS,
291 },
292 },
293 .num_lvds = 1,
294};
295
296static const struct platform_device_id rcar_du_id_table[] = {
297 { "rcar-du-r8a7779", (kernel_ulong_t)&rcar_du_r8a7779_info },
298 { "rcar-du-r8a7790", (kernel_ulong_t)&rcar_du_r8a7790_info },
299 { "rcar-du-r8a7791", (kernel_ulong_t)&rcar_du_r8a7791_info },
300 { }
301};
302
303MODULE_DEVICE_TABLE(platform, rcar_du_id_table);
304
305static struct platform_driver rcar_du_platform_driver = {
306 .probe = rcar_du_probe,
307 .remove = rcar_du_remove,
308 .driver = {
309 .owner = THIS_MODULE,
310 .name = "rcar-du",
311 .pm = &rcar_du_pm_ops,
312 },
313 .id_table = rcar_du_id_table,
314};
315
316module_platform_driver(rcar_du_platform_driver);
317
318MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");
319MODULE_DESCRIPTION("Renesas R-Car Display Unit DRM Driver");
320MODULE_LICENSE("GPL");