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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
4 *
5 * Description: CoreSight Funnel driver
6 */
7
8#include <linux/acpi.h>
9#include <linux/kernel.h>
10#include <linux/init.h>
11#include <linux/types.h>
12#include <linux/device.h>
13#include <linux/err.h>
14#include <linux/fs.h>
15#include <linux/slab.h>
16#include <linux/of.h>
17#include <linux/platform_device.h>
18#include <linux/pm_runtime.h>
19#include <linux/coresight.h>
20#include <linux/amba/bus.h>
21#include <linux/clk.h>
22
23#include "coresight-priv.h"
24
25#define FUNNEL_FUNCTL 0x000
26#define FUNNEL_PRICTL 0x004
27
28#define FUNNEL_HOLDTIME_MASK 0xf00
29#define FUNNEL_HOLDTIME_SHFT 0x8
30#define FUNNEL_HOLDTIME (0x7 << FUNNEL_HOLDTIME_SHFT)
31#define FUNNEL_ENSx_MASK 0xff
32
33DEFINE_CORESIGHT_DEVLIST(funnel_devs, "funnel");
34
35/**
36 * struct funnel_drvdata - specifics associated to a funnel component
37 * @base: memory mapped base address for this component.
38 * @atclk: optional clock for the core parts of the funnel.
39 * @csdev: component vitals needed by the framework.
40 * @priority: port selection order.
41 * @spinlock: serialize enable/disable operations.
42 */
43struct funnel_drvdata {
44 void __iomem *base;
45 struct clk *atclk;
46 struct coresight_device *csdev;
47 unsigned long priority;
48 spinlock_t spinlock;
49};
50
51static int dynamic_funnel_enable_hw(struct funnel_drvdata *drvdata, int port)
52{
53 u32 functl;
54 int rc = 0;
55 struct coresight_device *csdev = drvdata->csdev;
56
57 CS_UNLOCK(drvdata->base);
58
59 functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
60 /* Claim the device only when we enable the first slave */
61 if (!(functl & FUNNEL_ENSx_MASK)) {
62 rc = coresight_claim_device_unlocked(csdev);
63 if (rc)
64 goto done;
65 }
66
67 functl &= ~FUNNEL_HOLDTIME_MASK;
68 functl |= FUNNEL_HOLDTIME;
69 functl |= (1 << port);
70 writel_relaxed(functl, drvdata->base + FUNNEL_FUNCTL);
71 writel_relaxed(drvdata->priority, drvdata->base + FUNNEL_PRICTL);
72done:
73 CS_LOCK(drvdata->base);
74 return rc;
75}
76
77static int funnel_enable(struct coresight_device *csdev, int inport,
78 int outport)
79{
80 int rc = 0;
81 struct funnel_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
82 unsigned long flags;
83 bool first_enable = false;
84
85 spin_lock_irqsave(&drvdata->spinlock, flags);
86 if (atomic_read(&csdev->refcnt[inport]) == 0) {
87 if (drvdata->base)
88 rc = dynamic_funnel_enable_hw(drvdata, inport);
89 if (!rc)
90 first_enable = true;
91 }
92 if (!rc)
93 atomic_inc(&csdev->refcnt[inport]);
94 spin_unlock_irqrestore(&drvdata->spinlock, flags);
95
96 if (first_enable)
97 dev_dbg(&csdev->dev, "FUNNEL inport %d enabled\n", inport);
98 return rc;
99}
100
101static void dynamic_funnel_disable_hw(struct funnel_drvdata *drvdata,
102 int inport)
103{
104 u32 functl;
105 struct coresight_device *csdev = drvdata->csdev;
106
107 CS_UNLOCK(drvdata->base);
108
109 functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
110 functl &= ~(1 << inport);
111 writel_relaxed(functl, drvdata->base + FUNNEL_FUNCTL);
112
113 /* Disclaim the device if none of the slaves are now active */
114 if (!(functl & FUNNEL_ENSx_MASK))
115 coresight_disclaim_device_unlocked(csdev);
116
117 CS_LOCK(drvdata->base);
118}
119
120static void funnel_disable(struct coresight_device *csdev, int inport,
121 int outport)
122{
123 struct funnel_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
124 unsigned long flags;
125 bool last_disable = false;
126
127 spin_lock_irqsave(&drvdata->spinlock, flags);
128 if (atomic_dec_return(&csdev->refcnt[inport]) == 0) {
129 if (drvdata->base)
130 dynamic_funnel_disable_hw(drvdata, inport);
131 last_disable = true;
132 }
133 spin_unlock_irqrestore(&drvdata->spinlock, flags);
134
135 if (last_disable)
136 dev_dbg(&csdev->dev, "FUNNEL inport %d disabled\n", inport);
137}
138
139static const struct coresight_ops_link funnel_link_ops = {
140 .enable = funnel_enable,
141 .disable = funnel_disable,
142};
143
144static const struct coresight_ops funnel_cs_ops = {
145 .link_ops = &funnel_link_ops,
146};
147
148static ssize_t priority_show(struct device *dev,
149 struct device_attribute *attr, char *buf)
150{
151 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
152 unsigned long val = drvdata->priority;
153
154 return sprintf(buf, "%#lx\n", val);
155}
156
157static ssize_t priority_store(struct device *dev,
158 struct device_attribute *attr,
159 const char *buf, size_t size)
160{
161 int ret;
162 unsigned long val;
163 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
164
165 ret = kstrtoul(buf, 16, &val);
166 if (ret)
167 return ret;
168
169 drvdata->priority = val;
170 return size;
171}
172static DEVICE_ATTR_RW(priority);
173
174static u32 get_funnel_ctrl_hw(struct funnel_drvdata *drvdata)
175{
176 u32 functl;
177
178 CS_UNLOCK(drvdata->base);
179 functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
180 CS_LOCK(drvdata->base);
181
182 return functl;
183}
184
185static ssize_t funnel_ctrl_show(struct device *dev,
186 struct device_attribute *attr, char *buf)
187{
188 u32 val;
189 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
190
191 pm_runtime_get_sync(dev->parent);
192
193 val = get_funnel_ctrl_hw(drvdata);
194
195 pm_runtime_put(dev->parent);
196
197 return sprintf(buf, "%#x\n", val);
198}
199static DEVICE_ATTR_RO(funnel_ctrl);
200
201static struct attribute *coresight_funnel_attrs[] = {
202 &dev_attr_funnel_ctrl.attr,
203 &dev_attr_priority.attr,
204 NULL,
205};
206ATTRIBUTE_GROUPS(coresight_funnel);
207
208static int funnel_probe(struct device *dev, struct resource *res)
209{
210 int ret;
211 void __iomem *base;
212 struct coresight_platform_data *pdata = NULL;
213 struct funnel_drvdata *drvdata;
214 struct coresight_desc desc = { 0 };
215
216 if (is_of_node(dev_fwnode(dev)) &&
217 of_device_is_compatible(dev->of_node, "arm,coresight-funnel"))
218 dev_warn_once(dev, "Uses OBSOLETE CoreSight funnel binding\n");
219
220 desc.name = coresight_alloc_device_name(&funnel_devs, dev);
221 if (!desc.name)
222 return -ENOMEM;
223
224 drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
225 if (!drvdata)
226 return -ENOMEM;
227
228 drvdata->atclk = devm_clk_get(dev, "atclk"); /* optional */
229 if (!IS_ERR(drvdata->atclk)) {
230 ret = clk_prepare_enable(drvdata->atclk);
231 if (ret)
232 return ret;
233 }
234
235 /*
236 * Map the device base for dynamic-funnel, which has been
237 * validated by AMBA core.
238 */
239 if (res) {
240 base = devm_ioremap_resource(dev, res);
241 if (IS_ERR(base)) {
242 ret = PTR_ERR(base);
243 goto out_disable_clk;
244 }
245 drvdata->base = base;
246 desc.groups = coresight_funnel_groups;
247 desc.access = CSDEV_ACCESS_IOMEM(base);
248 }
249
250 dev_set_drvdata(dev, drvdata);
251
252 pdata = coresight_get_platform_data(dev);
253 if (IS_ERR(pdata)) {
254 ret = PTR_ERR(pdata);
255 goto out_disable_clk;
256 }
257 dev->platform_data = pdata;
258
259 spin_lock_init(&drvdata->spinlock);
260 desc.type = CORESIGHT_DEV_TYPE_LINK;
261 desc.subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_MERG;
262 desc.ops = &funnel_cs_ops;
263 desc.pdata = pdata;
264 desc.dev = dev;
265 drvdata->csdev = coresight_register(&desc);
266 if (IS_ERR(drvdata->csdev)) {
267 ret = PTR_ERR(drvdata->csdev);
268 goto out_disable_clk;
269 }
270
271 pm_runtime_put(dev);
272 ret = 0;
273
274out_disable_clk:
275 if (ret && !IS_ERR_OR_NULL(drvdata->atclk))
276 clk_disable_unprepare(drvdata->atclk);
277 return ret;
278}
279
280static int funnel_remove(struct device *dev)
281{
282 struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
283
284 coresight_unregister(drvdata->csdev);
285
286 return 0;
287}
288
289#ifdef CONFIG_PM
290static int funnel_runtime_suspend(struct device *dev)
291{
292 struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
293
294 if (drvdata && !IS_ERR(drvdata->atclk))
295 clk_disable_unprepare(drvdata->atclk);
296
297 return 0;
298}
299
300static int funnel_runtime_resume(struct device *dev)
301{
302 struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
303
304 if (drvdata && !IS_ERR(drvdata->atclk))
305 clk_prepare_enable(drvdata->atclk);
306
307 return 0;
308}
309#endif
310
311static const struct dev_pm_ops funnel_dev_pm_ops = {
312 SET_RUNTIME_PM_OPS(funnel_runtime_suspend, funnel_runtime_resume, NULL)
313};
314
315static int static_funnel_probe(struct platform_device *pdev)
316{
317 int ret;
318
319 pm_runtime_get_noresume(&pdev->dev);
320 pm_runtime_set_active(&pdev->dev);
321 pm_runtime_enable(&pdev->dev);
322
323 /* Static funnel do not have programming base */
324 ret = funnel_probe(&pdev->dev, NULL);
325
326 if (ret) {
327 pm_runtime_put_noidle(&pdev->dev);
328 pm_runtime_disable(&pdev->dev);
329 }
330
331 return ret;
332}
333
334static int static_funnel_remove(struct platform_device *pdev)
335{
336 funnel_remove(&pdev->dev);
337 pm_runtime_disable(&pdev->dev);
338 return 0;
339}
340
341static const struct of_device_id static_funnel_match[] = {
342 {.compatible = "arm,coresight-static-funnel"},
343 {}
344};
345
346MODULE_DEVICE_TABLE(of, static_funnel_match);
347
348#ifdef CONFIG_ACPI
349static const struct acpi_device_id static_funnel_ids[] = {
350 {"ARMHC9FE", 0},
351 {},
352};
353
354MODULE_DEVICE_TABLE(acpi, static_funnel_ids);
355#endif
356
357static struct platform_driver static_funnel_driver = {
358 .probe = static_funnel_probe,
359 .remove = static_funnel_remove,
360 .driver = {
361 .name = "coresight-static-funnel",
362 /* THIS_MODULE is taken care of by platform_driver_register() */
363 .of_match_table = static_funnel_match,
364 .acpi_match_table = ACPI_PTR(static_funnel_ids),
365 .pm = &funnel_dev_pm_ops,
366 .suppress_bind_attrs = true,
367 },
368};
369
370static int dynamic_funnel_probe(struct amba_device *adev,
371 const struct amba_id *id)
372{
373 return funnel_probe(&adev->dev, &adev->res);
374}
375
376static void dynamic_funnel_remove(struct amba_device *adev)
377{
378 funnel_remove(&adev->dev);
379}
380
381static const struct amba_id dynamic_funnel_ids[] = {
382 {
383 .id = 0x000bb908,
384 .mask = 0x000fffff,
385 },
386 {
387 /* Coresight SoC-600 */
388 .id = 0x000bb9eb,
389 .mask = 0x000fffff,
390 },
391 { 0, 0},
392};
393
394MODULE_DEVICE_TABLE(amba, dynamic_funnel_ids);
395
396static struct amba_driver dynamic_funnel_driver = {
397 .drv = {
398 .name = "coresight-dynamic-funnel",
399 .owner = THIS_MODULE,
400 .pm = &funnel_dev_pm_ops,
401 .suppress_bind_attrs = true,
402 },
403 .probe = dynamic_funnel_probe,
404 .remove = dynamic_funnel_remove,
405 .id_table = dynamic_funnel_ids,
406};
407
408static int __init funnel_init(void)
409{
410 int ret;
411
412 ret = platform_driver_register(&static_funnel_driver);
413 if (ret) {
414 pr_info("Error registering platform driver\n");
415 return ret;
416 }
417
418 ret = amba_driver_register(&dynamic_funnel_driver);
419 if (ret) {
420 pr_info("Error registering amba driver\n");
421 platform_driver_unregister(&static_funnel_driver);
422 }
423
424 return ret;
425}
426
427static void __exit funnel_exit(void)
428{
429 platform_driver_unregister(&static_funnel_driver);
430 amba_driver_unregister(&dynamic_funnel_driver);
431}
432
433module_init(funnel_init);
434module_exit(funnel_exit);
435
436MODULE_AUTHOR("Pratik Patel <pratikp@codeaurora.org>");
437MODULE_AUTHOR("Mathieu Poirier <mathieu.poirier@linaro.org>");
438MODULE_DESCRIPTION("Arm CoreSight Funnel Driver");
439MODULE_LICENSE("GPL v2");
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
4 *
5 * Description: CoreSight Funnel driver
6 */
7
8#include <linux/acpi.h>
9#include <linux/kernel.h>
10#include <linux/init.h>
11#include <linux/types.h>
12#include <linux/device.h>
13#include <linux/err.h>
14#include <linux/fs.h>
15#include <linux/slab.h>
16#include <linux/of.h>
17#include <linux/platform_device.h>
18#include <linux/pm_runtime.h>
19#include <linux/coresight.h>
20#include <linux/amba/bus.h>
21#include <linux/clk.h>
22
23#include "coresight-priv.h"
24
25#define FUNNEL_FUNCTL 0x000
26#define FUNNEL_PRICTL 0x004
27
28#define FUNNEL_HOLDTIME_MASK 0xf00
29#define FUNNEL_HOLDTIME_SHFT 0x8
30#define FUNNEL_HOLDTIME (0x7 << FUNNEL_HOLDTIME_SHFT)
31#define FUNNEL_ENSx_MASK 0xff
32
33DEFINE_CORESIGHT_DEVLIST(funnel_devs, "funnel");
34
35/**
36 * struct funnel_drvdata - specifics associated to a funnel component
37 * @base: memory mapped base address for this component.
38 * @atclk: optional clock for the core parts of the funnel.
39 * @csdev: component vitals needed by the framework.
40 * @priority: port selection order.
41 */
42struct funnel_drvdata {
43 void __iomem *base;
44 struct clk *atclk;
45 struct coresight_device *csdev;
46 unsigned long priority;
47};
48
49static int dynamic_funnel_enable_hw(struct funnel_drvdata *drvdata, int port)
50{
51 u32 functl;
52 int rc = 0;
53
54 CS_UNLOCK(drvdata->base);
55
56 functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
57 /* Claim the device only when we enable the first slave */
58 if (!(functl & FUNNEL_ENSx_MASK)) {
59 rc = coresight_claim_device_unlocked(drvdata->base);
60 if (rc)
61 goto done;
62 }
63
64 functl &= ~FUNNEL_HOLDTIME_MASK;
65 functl |= FUNNEL_HOLDTIME;
66 functl |= (1 << port);
67 writel_relaxed(functl, drvdata->base + FUNNEL_FUNCTL);
68 writel_relaxed(drvdata->priority, drvdata->base + FUNNEL_PRICTL);
69done:
70 CS_LOCK(drvdata->base);
71 return rc;
72}
73
74static int funnel_enable(struct coresight_device *csdev, int inport,
75 int outport)
76{
77 int rc = 0;
78 struct funnel_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
79
80 if (drvdata->base)
81 rc = dynamic_funnel_enable_hw(drvdata, inport);
82
83 if (!rc)
84 dev_dbg(&csdev->dev, "FUNNEL inport %d enabled\n", inport);
85 return rc;
86}
87
88static void dynamic_funnel_disable_hw(struct funnel_drvdata *drvdata,
89 int inport)
90{
91 u32 functl;
92
93 CS_UNLOCK(drvdata->base);
94
95 functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
96 functl &= ~(1 << inport);
97 writel_relaxed(functl, drvdata->base + FUNNEL_FUNCTL);
98
99 /* Disclaim the device if none of the slaves are now active */
100 if (!(functl & FUNNEL_ENSx_MASK))
101 coresight_disclaim_device_unlocked(drvdata->base);
102
103 CS_LOCK(drvdata->base);
104}
105
106static void funnel_disable(struct coresight_device *csdev, int inport,
107 int outport)
108{
109 struct funnel_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
110
111 if (drvdata->base)
112 dynamic_funnel_disable_hw(drvdata, inport);
113
114 dev_dbg(&csdev->dev, "FUNNEL inport %d disabled\n", inport);
115}
116
117static const struct coresight_ops_link funnel_link_ops = {
118 .enable = funnel_enable,
119 .disable = funnel_disable,
120};
121
122static const struct coresight_ops funnel_cs_ops = {
123 .link_ops = &funnel_link_ops,
124};
125
126static ssize_t priority_show(struct device *dev,
127 struct device_attribute *attr, char *buf)
128{
129 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
130 unsigned long val = drvdata->priority;
131
132 return sprintf(buf, "%#lx\n", val);
133}
134
135static ssize_t priority_store(struct device *dev,
136 struct device_attribute *attr,
137 const char *buf, size_t size)
138{
139 int ret;
140 unsigned long val;
141 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
142
143 ret = kstrtoul(buf, 16, &val);
144 if (ret)
145 return ret;
146
147 drvdata->priority = val;
148 return size;
149}
150static DEVICE_ATTR_RW(priority);
151
152static u32 get_funnel_ctrl_hw(struct funnel_drvdata *drvdata)
153{
154 u32 functl;
155
156 CS_UNLOCK(drvdata->base);
157 functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
158 CS_LOCK(drvdata->base);
159
160 return functl;
161}
162
163static ssize_t funnel_ctrl_show(struct device *dev,
164 struct device_attribute *attr, char *buf)
165{
166 u32 val;
167 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
168
169 pm_runtime_get_sync(dev->parent);
170
171 val = get_funnel_ctrl_hw(drvdata);
172
173 pm_runtime_put(dev->parent);
174
175 return sprintf(buf, "%#x\n", val);
176}
177static DEVICE_ATTR_RO(funnel_ctrl);
178
179static struct attribute *coresight_funnel_attrs[] = {
180 &dev_attr_funnel_ctrl.attr,
181 &dev_attr_priority.attr,
182 NULL,
183};
184ATTRIBUTE_GROUPS(coresight_funnel);
185
186static int funnel_probe(struct device *dev, struct resource *res)
187{
188 int ret;
189 void __iomem *base;
190 struct coresight_platform_data *pdata = NULL;
191 struct funnel_drvdata *drvdata;
192 struct coresight_desc desc = { 0 };
193
194 if (is_of_node(dev_fwnode(dev)) &&
195 of_device_is_compatible(dev->of_node, "arm,coresight-funnel"))
196 dev_warn_once(dev, "Uses OBSOLETE CoreSight funnel binding\n");
197
198 desc.name = coresight_alloc_device_name(&funnel_devs, dev);
199 if (!desc.name)
200 return -ENOMEM;
201
202 drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
203 if (!drvdata)
204 return -ENOMEM;
205
206 drvdata->atclk = devm_clk_get(dev, "atclk"); /* optional */
207 if (!IS_ERR(drvdata->atclk)) {
208 ret = clk_prepare_enable(drvdata->atclk);
209 if (ret)
210 return ret;
211 }
212
213 /*
214 * Map the device base for dynamic-funnel, which has been
215 * validated by AMBA core.
216 */
217 if (res) {
218 base = devm_ioremap_resource(dev, res);
219 if (IS_ERR(base)) {
220 ret = PTR_ERR(base);
221 goto out_disable_clk;
222 }
223 drvdata->base = base;
224 desc.groups = coresight_funnel_groups;
225 }
226
227 dev_set_drvdata(dev, drvdata);
228
229 pdata = coresight_get_platform_data(dev);
230 if (IS_ERR(pdata)) {
231 ret = PTR_ERR(pdata);
232 goto out_disable_clk;
233 }
234 dev->platform_data = pdata;
235
236 desc.type = CORESIGHT_DEV_TYPE_LINK;
237 desc.subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_MERG;
238 desc.ops = &funnel_cs_ops;
239 desc.pdata = pdata;
240 desc.dev = dev;
241 drvdata->csdev = coresight_register(&desc);
242 if (IS_ERR(drvdata->csdev)) {
243 ret = PTR_ERR(drvdata->csdev);
244 goto out_disable_clk;
245 }
246
247 pm_runtime_put(dev);
248 ret = 0;
249
250out_disable_clk:
251 if (ret && !IS_ERR_OR_NULL(drvdata->atclk))
252 clk_disable_unprepare(drvdata->atclk);
253 return ret;
254}
255
256#ifdef CONFIG_PM
257static int funnel_runtime_suspend(struct device *dev)
258{
259 struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
260
261 if (drvdata && !IS_ERR(drvdata->atclk))
262 clk_disable_unprepare(drvdata->atclk);
263
264 return 0;
265}
266
267static int funnel_runtime_resume(struct device *dev)
268{
269 struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
270
271 if (drvdata && !IS_ERR(drvdata->atclk))
272 clk_prepare_enable(drvdata->atclk);
273
274 return 0;
275}
276#endif
277
278static const struct dev_pm_ops funnel_dev_pm_ops = {
279 SET_RUNTIME_PM_OPS(funnel_runtime_suspend, funnel_runtime_resume, NULL)
280};
281
282static int static_funnel_probe(struct platform_device *pdev)
283{
284 int ret;
285
286 pm_runtime_get_noresume(&pdev->dev);
287 pm_runtime_set_active(&pdev->dev);
288 pm_runtime_enable(&pdev->dev);
289
290 /* Static funnel do not have programming base */
291 ret = funnel_probe(&pdev->dev, NULL);
292
293 if (ret) {
294 pm_runtime_put_noidle(&pdev->dev);
295 pm_runtime_disable(&pdev->dev);
296 }
297
298 return ret;
299}
300
301static const struct of_device_id static_funnel_match[] = {
302 {.compatible = "arm,coresight-static-funnel"},
303 {}
304};
305
306#ifdef CONFIG_ACPI
307static const struct acpi_device_id static_funnel_ids[] = {
308 {"ARMHC9FE", 0},
309 {},
310};
311#endif
312
313static struct platform_driver static_funnel_driver = {
314 .probe = static_funnel_probe,
315 .driver = {
316 .name = "coresight-static-funnel",
317 .of_match_table = static_funnel_match,
318 .acpi_match_table = ACPI_PTR(static_funnel_ids),
319 .pm = &funnel_dev_pm_ops,
320 .suppress_bind_attrs = true,
321 },
322};
323builtin_platform_driver(static_funnel_driver);
324
325static int dynamic_funnel_probe(struct amba_device *adev,
326 const struct amba_id *id)
327{
328 return funnel_probe(&adev->dev, &adev->res);
329}
330
331static const struct amba_id dynamic_funnel_ids[] = {
332 {
333 .id = 0x000bb908,
334 .mask = 0x000fffff,
335 },
336 {
337 /* Coresight SoC-600 */
338 .id = 0x000bb9eb,
339 .mask = 0x000fffff,
340 },
341 { 0, 0},
342};
343
344static struct amba_driver dynamic_funnel_driver = {
345 .drv = {
346 .name = "coresight-dynamic-funnel",
347 .owner = THIS_MODULE,
348 .pm = &funnel_dev_pm_ops,
349 .suppress_bind_attrs = true,
350 },
351 .probe = dynamic_funnel_probe,
352 .id_table = dynamic_funnel_ids,
353};
354builtin_amba_driver(dynamic_funnel_driver);