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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,
78 struct coresight_connection *in,
79 struct coresight_connection *out)
80{
81 int rc = 0;
82 struct funnel_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
83 unsigned long flags;
84 bool first_enable = false;
85
86 spin_lock_irqsave(&drvdata->spinlock, flags);
87 if (atomic_read(&in->dest_refcnt) == 0) {
88 if (drvdata->base)
89 rc = dynamic_funnel_enable_hw(drvdata, in->dest_port);
90 if (!rc)
91 first_enable = true;
92 }
93 if (!rc)
94 atomic_inc(&in->dest_refcnt);
95 spin_unlock_irqrestore(&drvdata->spinlock, flags);
96
97 if (first_enable)
98 dev_dbg(&csdev->dev, "FUNNEL inport %d enabled\n",
99 in->dest_port);
100 return rc;
101}
102
103static void dynamic_funnel_disable_hw(struct funnel_drvdata *drvdata,
104 int inport)
105{
106 u32 functl;
107 struct coresight_device *csdev = drvdata->csdev;
108
109 CS_UNLOCK(drvdata->base);
110
111 functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
112 functl &= ~(1 << inport);
113 writel_relaxed(functl, drvdata->base + FUNNEL_FUNCTL);
114
115 /* Disclaim the device if none of the slaves are now active */
116 if (!(functl & FUNNEL_ENSx_MASK))
117 coresight_disclaim_device_unlocked(csdev);
118
119 CS_LOCK(drvdata->base);
120}
121
122static void funnel_disable(struct coresight_device *csdev,
123 struct coresight_connection *in,
124 struct coresight_connection *out)
125{
126 struct funnel_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
127 unsigned long flags;
128 bool last_disable = false;
129
130 spin_lock_irqsave(&drvdata->spinlock, flags);
131 if (atomic_dec_return(&in->dest_refcnt) == 0) {
132 if (drvdata->base)
133 dynamic_funnel_disable_hw(drvdata, in->dest_port);
134 last_disable = true;
135 }
136 spin_unlock_irqrestore(&drvdata->spinlock, flags);
137
138 if (last_disable)
139 dev_dbg(&csdev->dev, "FUNNEL inport %d disabled\n",
140 in->dest_port);
141}
142
143static const struct coresight_ops_link funnel_link_ops = {
144 .enable = funnel_enable,
145 .disable = funnel_disable,
146};
147
148static const struct coresight_ops funnel_cs_ops = {
149 .link_ops = &funnel_link_ops,
150};
151
152static ssize_t priority_show(struct device *dev,
153 struct device_attribute *attr, char *buf)
154{
155 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
156 unsigned long val = drvdata->priority;
157
158 return sprintf(buf, "%#lx\n", val);
159}
160
161static ssize_t priority_store(struct device *dev,
162 struct device_attribute *attr,
163 const char *buf, size_t size)
164{
165 int ret;
166 unsigned long val;
167 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
168
169 ret = kstrtoul(buf, 16, &val);
170 if (ret)
171 return ret;
172
173 drvdata->priority = val;
174 return size;
175}
176static DEVICE_ATTR_RW(priority);
177
178static u32 get_funnel_ctrl_hw(struct funnel_drvdata *drvdata)
179{
180 u32 functl;
181
182 CS_UNLOCK(drvdata->base);
183 functl = readl_relaxed(drvdata->base + FUNNEL_FUNCTL);
184 CS_LOCK(drvdata->base);
185
186 return functl;
187}
188
189static ssize_t funnel_ctrl_show(struct device *dev,
190 struct device_attribute *attr, char *buf)
191{
192 u32 val;
193 struct funnel_drvdata *drvdata = dev_get_drvdata(dev->parent);
194
195 pm_runtime_get_sync(dev->parent);
196
197 val = get_funnel_ctrl_hw(drvdata);
198
199 pm_runtime_put(dev->parent);
200
201 return sprintf(buf, "%#x\n", val);
202}
203static DEVICE_ATTR_RO(funnel_ctrl);
204
205static struct attribute *coresight_funnel_attrs[] = {
206 &dev_attr_funnel_ctrl.attr,
207 &dev_attr_priority.attr,
208 NULL,
209};
210ATTRIBUTE_GROUPS(coresight_funnel);
211
212static int funnel_probe(struct device *dev, struct resource *res)
213{
214 int ret;
215 void __iomem *base;
216 struct coresight_platform_data *pdata = NULL;
217 struct funnel_drvdata *drvdata;
218 struct coresight_desc desc = { 0 };
219
220 if (is_of_node(dev_fwnode(dev)) &&
221 of_device_is_compatible(dev->of_node, "arm,coresight-funnel"))
222 dev_warn_once(dev, "Uses OBSOLETE CoreSight funnel binding\n");
223
224 desc.name = coresight_alloc_device_name(&funnel_devs, dev);
225 if (!desc.name)
226 return -ENOMEM;
227
228 drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
229 if (!drvdata)
230 return -ENOMEM;
231
232 drvdata->atclk = devm_clk_get(dev, "atclk"); /* optional */
233 if (!IS_ERR(drvdata->atclk)) {
234 ret = clk_prepare_enable(drvdata->atclk);
235 if (ret)
236 return ret;
237 }
238
239 /*
240 * Map the device base for dynamic-funnel, which has been
241 * validated by AMBA core.
242 */
243 if (res) {
244 base = devm_ioremap_resource(dev, res);
245 if (IS_ERR(base)) {
246 ret = PTR_ERR(base);
247 goto out_disable_clk;
248 }
249 drvdata->base = base;
250 desc.groups = coresight_funnel_groups;
251 desc.access = CSDEV_ACCESS_IOMEM(base);
252 }
253
254 dev_set_drvdata(dev, drvdata);
255
256 pdata = coresight_get_platform_data(dev);
257 if (IS_ERR(pdata)) {
258 ret = PTR_ERR(pdata);
259 goto out_disable_clk;
260 }
261 dev->platform_data = pdata;
262
263 spin_lock_init(&drvdata->spinlock);
264 desc.type = CORESIGHT_DEV_TYPE_LINK;
265 desc.subtype.link_subtype = CORESIGHT_DEV_SUBTYPE_LINK_MERG;
266 desc.ops = &funnel_cs_ops;
267 desc.pdata = pdata;
268 desc.dev = dev;
269 drvdata->csdev = coresight_register(&desc);
270 if (IS_ERR(drvdata->csdev)) {
271 ret = PTR_ERR(drvdata->csdev);
272 goto out_disable_clk;
273 }
274
275 pm_runtime_put(dev);
276 ret = 0;
277
278out_disable_clk:
279 if (ret && !IS_ERR_OR_NULL(drvdata->atclk))
280 clk_disable_unprepare(drvdata->atclk);
281 return ret;
282}
283
284static int funnel_remove(struct device *dev)
285{
286 struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
287
288 coresight_unregister(drvdata->csdev);
289
290 return 0;
291}
292
293#ifdef CONFIG_PM
294static int funnel_runtime_suspend(struct device *dev)
295{
296 struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
297
298 if (drvdata && !IS_ERR(drvdata->atclk))
299 clk_disable_unprepare(drvdata->atclk);
300
301 return 0;
302}
303
304static int funnel_runtime_resume(struct device *dev)
305{
306 struct funnel_drvdata *drvdata = dev_get_drvdata(dev);
307
308 if (drvdata && !IS_ERR(drvdata->atclk))
309 clk_prepare_enable(drvdata->atclk);
310
311 return 0;
312}
313#endif
314
315static const struct dev_pm_ops funnel_dev_pm_ops = {
316 SET_RUNTIME_PM_OPS(funnel_runtime_suspend, funnel_runtime_resume, NULL)
317};
318
319static int static_funnel_probe(struct platform_device *pdev)
320{
321 int ret;
322
323 pm_runtime_get_noresume(&pdev->dev);
324 pm_runtime_set_active(&pdev->dev);
325 pm_runtime_enable(&pdev->dev);
326
327 /* Static funnel do not have programming base */
328 ret = funnel_probe(&pdev->dev, NULL);
329
330 if (ret) {
331 pm_runtime_put_noidle(&pdev->dev);
332 pm_runtime_disable(&pdev->dev);
333 }
334
335 return ret;
336}
337
338static void static_funnel_remove(struct platform_device *pdev)
339{
340 funnel_remove(&pdev->dev);
341 pm_runtime_disable(&pdev->dev);
342}
343
344static const struct of_device_id static_funnel_match[] = {
345 {.compatible = "arm,coresight-static-funnel"},
346 {}
347};
348
349MODULE_DEVICE_TABLE(of, static_funnel_match);
350
351#ifdef CONFIG_ACPI
352static const struct acpi_device_id static_funnel_ids[] = {
353 {"ARMHC9FE", 0},
354 {},
355};
356
357MODULE_DEVICE_TABLE(acpi, static_funnel_ids);
358#endif
359
360static struct platform_driver static_funnel_driver = {
361 .probe = static_funnel_probe,
362 .remove_new = static_funnel_remove,
363 .driver = {
364 .name = "coresight-static-funnel",
365 /* THIS_MODULE is taken care of by platform_driver_register() */
366 .of_match_table = static_funnel_match,
367 .acpi_match_table = ACPI_PTR(static_funnel_ids),
368 .pm = &funnel_dev_pm_ops,
369 .suppress_bind_attrs = true,
370 },
371};
372
373static int dynamic_funnel_probe(struct amba_device *adev,
374 const struct amba_id *id)
375{
376 return funnel_probe(&adev->dev, &adev->res);
377}
378
379static void dynamic_funnel_remove(struct amba_device *adev)
380{
381 funnel_remove(&adev->dev);
382}
383
384static const struct amba_id dynamic_funnel_ids[] = {
385 {
386 .id = 0x000bb908,
387 .mask = 0x000fffff,
388 },
389 {
390 /* Coresight SoC-600 */
391 .id = 0x000bb9eb,
392 .mask = 0x000fffff,
393 },
394 { 0, 0},
395};
396
397MODULE_DEVICE_TABLE(amba, dynamic_funnel_ids);
398
399static struct amba_driver dynamic_funnel_driver = {
400 .drv = {
401 .name = "coresight-dynamic-funnel",
402 .owner = THIS_MODULE,
403 .pm = &funnel_dev_pm_ops,
404 .suppress_bind_attrs = true,
405 },
406 .probe = dynamic_funnel_probe,
407 .remove = dynamic_funnel_remove,
408 .id_table = dynamic_funnel_ids,
409};
410
411static int __init funnel_init(void)
412{
413 int ret;
414
415 ret = platform_driver_register(&static_funnel_driver);
416 if (ret) {
417 pr_info("Error registering platform driver\n");
418 return ret;
419 }
420
421 ret = amba_driver_register(&dynamic_funnel_driver);
422 if (ret) {
423 pr_info("Error registering amba driver\n");
424 platform_driver_unregister(&static_funnel_driver);
425 }
426
427 return ret;
428}
429
430static void __exit funnel_exit(void)
431{
432 platform_driver_unregister(&static_funnel_driver);
433 amba_driver_unregister(&dynamic_funnel_driver);
434}
435
436module_init(funnel_init);
437module_exit(funnel_exit);
438
439MODULE_AUTHOR("Pratik Patel <pratikp@codeaurora.org>");
440MODULE_AUTHOR("Mathieu Poirier <mathieu.poirier@linaro.org>");
441MODULE_DESCRIPTION("Arm CoreSight Funnel Driver");
442MODULE_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);