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1802d0be | 1 | // SPDX-License-Identifier: GPL-2.0-only |
aed361ad BA |
2 | /* |
3 | * Qualcomm Wireless Connectivity Subsystem Peripheral Image Loader | |
4 | * | |
5 | * Copyright (C) 2016 Linaro Ltd | |
6 | * Copyright (C) 2014 Sony Mobile Communications AB | |
7 | * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. | |
aed361ad BA |
8 | */ |
9 | ||
10 | #include <linux/clk.h> | |
11 | #include <linux/delay.h> | |
12 | #include <linux/firmware.h> | |
13 | #include <linux/interrupt.h> | |
14 | #include <linux/kernel.h> | |
15 | #include <linux/module.h> | |
16 | #include <linux/io.h> | |
17 | #include <linux/of_address.h> | |
18 | #include <linux/of_device.h> | |
19 | #include <linux/platform_device.h> | |
20 | #include <linux/qcom_scm.h> | |
21 | #include <linux/regulator/consumer.h> | |
22 | #include <linux/remoteproc.h> | |
2aad40d9 | 23 | #include <linux/soc/qcom/mdt_loader.h> |
aed361ad BA |
24 | #include <linux/soc/qcom/smem.h> |
25 | #include <linux/soc/qcom/smem_state.h> | |
5a856bc6 | 26 | #include <linux/rpmsg/qcom_smd.h> |
aed361ad | 27 | |
bde440ee | 28 | #include "qcom_common.h" |
aed361ad | 29 | #include "remoteproc_internal.h" |
d4c78d21 | 30 | #include "qcom_pil_info.h" |
aed361ad BA |
31 | #include "qcom_wcnss.h" |
32 | ||
33 | #define WCNSS_CRASH_REASON_SMEM 422 | |
34 | #define WCNSS_FIRMWARE_NAME "wcnss.mdt" | |
35 | #define WCNSS_PAS_ID 6 | |
1fb82ee8 | 36 | #define WCNSS_SSCTL_ID 0x13 |
aed361ad BA |
37 | |
38 | #define WCNSS_SPARE_NVBIN_DLND BIT(25) | |
39 | ||
40 | #define WCNSS_PMU_IRIS_XO_CFG BIT(3) | |
41 | #define WCNSS_PMU_IRIS_XO_EN BIT(4) | |
42 | #define WCNSS_PMU_GC_BUS_MUX_SEL_TOP BIT(5) | |
43 | #define WCNSS_PMU_IRIS_XO_CFG_STS BIT(6) /* 1: in progress, 0: done */ | |
44 | ||
45 | #define WCNSS_PMU_IRIS_RESET BIT(7) | |
46 | #define WCNSS_PMU_IRIS_RESET_STS BIT(8) /* 1: in progress, 0: done */ | |
47 | #define WCNSS_PMU_IRIS_XO_READ BIT(9) | |
48 | #define WCNSS_PMU_IRIS_XO_READ_STS BIT(10) | |
49 | ||
50 | #define WCNSS_PMU_XO_MODE_MASK GENMASK(2, 1) | |
51 | #define WCNSS_PMU_XO_MODE_19p2 0 | |
52 | #define WCNSS_PMU_XO_MODE_48 3 | |
53 | ||
54 | struct wcnss_data { | |
55 | size_t pmu_offset; | |
56 | size_t spare_offset; | |
57 | ||
58 | const struct wcnss_vreg_info *vregs; | |
59 | size_t num_vregs; | |
60 | }; | |
61 | ||
62 | struct qcom_wcnss { | |
63 | struct device *dev; | |
64 | struct rproc *rproc; | |
65 | ||
66 | void __iomem *pmu_cfg; | |
67 | void __iomem *spare_out; | |
68 | ||
69 | bool use_48mhz_xo; | |
70 | ||
71 | int wdog_irq; | |
72 | int fatal_irq; | |
73 | int ready_irq; | |
74 | int handover_irq; | |
75 | int stop_ack_irq; | |
76 | ||
77 | struct qcom_smem_state *state; | |
78 | unsigned stop_bit; | |
79 | ||
80 | struct mutex iris_lock; | |
81 | struct qcom_iris *iris; | |
82 | ||
83 | struct regulator_bulk_data *vregs; | |
84 | size_t num_vregs; | |
85 | ||
86 | struct completion start_done; | |
87 | struct completion stop_done; | |
88 | ||
89 | phys_addr_t mem_phys; | |
90 | phys_addr_t mem_reloc; | |
91 | void *mem_region; | |
92 | size_t mem_size; | |
5a856bc6 | 93 | |
b90fcfcb | 94 | struct qcom_rproc_subdev smd_subdev; |
1fb82ee8 | 95 | struct qcom_sysmon *sysmon; |
aed361ad BA |
96 | }; |
97 | ||
98 | static const struct wcnss_data riva_data = { | |
99 | .pmu_offset = 0x28, | |
100 | .spare_offset = 0xb4, | |
101 | ||
102 | .vregs = (struct wcnss_vreg_info[]) { | |
103 | { "vddmx", 1050000, 1150000, 0 }, | |
104 | { "vddcx", 1050000, 1150000, 0 }, | |
105 | { "vddpx", 1800000, 1800000, 0 }, | |
106 | }, | |
107 | .num_vregs = 3, | |
108 | }; | |
109 | ||
110 | static const struct wcnss_data pronto_v1_data = { | |
111 | .pmu_offset = 0x1004, | |
112 | .spare_offset = 0x1088, | |
113 | ||
114 | .vregs = (struct wcnss_vreg_info[]) { | |
115 | { "vddmx", 950000, 1150000, 0 }, | |
116 | { "vddcx", .super_turbo = true}, | |
117 | { "vddpx", 1800000, 1800000, 0 }, | |
118 | }, | |
119 | .num_vregs = 3, | |
120 | }; | |
121 | ||
122 | static const struct wcnss_data pronto_v2_data = { | |
123 | .pmu_offset = 0x1004, | |
124 | .spare_offset = 0x1088, | |
125 | ||
126 | .vregs = (struct wcnss_vreg_info[]) { | |
127 | { "vddmx", 1287500, 1287500, 0 }, | |
128 | { "vddcx", .super_turbo = true }, | |
129 | { "vddpx", 1800000, 1800000, 0 }, | |
130 | }, | |
131 | .num_vregs = 3, | |
132 | }; | |
133 | ||
134 | void qcom_wcnss_assign_iris(struct qcom_wcnss *wcnss, | |
135 | struct qcom_iris *iris, | |
136 | bool use_48mhz_xo) | |
137 | { | |
138 | mutex_lock(&wcnss->iris_lock); | |
139 | ||
140 | wcnss->iris = iris; | |
141 | wcnss->use_48mhz_xo = use_48mhz_xo; | |
142 | ||
143 | mutex_unlock(&wcnss->iris_lock); | |
144 | } | |
aed361ad BA |
145 | |
146 | static int wcnss_load(struct rproc *rproc, const struct firmware *fw) | |
147 | { | |
148 | struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; | |
d4c78d21 | 149 | int ret; |
7f0dd07a | 150 | |
d4c78d21 BA |
151 | ret = qcom_mdt_load(wcnss->dev, fw, rproc->firmware, WCNSS_PAS_ID, |
152 | wcnss->mem_region, wcnss->mem_phys, | |
153 | wcnss->mem_size, &wcnss->mem_reloc); | |
154 | if (ret) | |
155 | return ret; | |
156 | ||
157 | qcom_pil_info_store("wcnss", wcnss->mem_phys, wcnss->mem_size); | |
158 | ||
159 | return 0; | |
aed361ad BA |
160 | } |
161 | ||
aed361ad BA |
162 | static void wcnss_indicate_nv_download(struct qcom_wcnss *wcnss) |
163 | { | |
164 | u32 val; | |
165 | ||
166 | /* Indicate NV download capability */ | |
167 | val = readl(wcnss->spare_out); | |
168 | val |= WCNSS_SPARE_NVBIN_DLND; | |
169 | writel(val, wcnss->spare_out); | |
170 | } | |
171 | ||
172 | static void wcnss_configure_iris(struct qcom_wcnss *wcnss) | |
173 | { | |
174 | u32 val; | |
175 | ||
176 | /* Clear PMU cfg register */ | |
177 | writel(0, wcnss->pmu_cfg); | |
178 | ||
179 | val = WCNSS_PMU_GC_BUS_MUX_SEL_TOP | WCNSS_PMU_IRIS_XO_EN; | |
180 | writel(val, wcnss->pmu_cfg); | |
181 | ||
182 | /* Clear XO_MODE */ | |
183 | val &= ~WCNSS_PMU_XO_MODE_MASK; | |
184 | if (wcnss->use_48mhz_xo) | |
185 | val |= WCNSS_PMU_XO_MODE_48 << 1; | |
186 | else | |
187 | val |= WCNSS_PMU_XO_MODE_19p2 << 1; | |
188 | writel(val, wcnss->pmu_cfg); | |
189 | ||
190 | /* Reset IRIS */ | |
191 | val |= WCNSS_PMU_IRIS_RESET; | |
192 | writel(val, wcnss->pmu_cfg); | |
193 | ||
194 | /* Wait for PMU.iris_reg_reset_sts */ | |
195 | while (readl(wcnss->pmu_cfg) & WCNSS_PMU_IRIS_RESET_STS) | |
196 | cpu_relax(); | |
197 | ||
198 | /* Clear IRIS reset */ | |
199 | val &= ~WCNSS_PMU_IRIS_RESET; | |
200 | writel(val, wcnss->pmu_cfg); | |
201 | ||
202 | /* Start IRIS XO configuration */ | |
203 | val |= WCNSS_PMU_IRIS_XO_CFG; | |
204 | writel(val, wcnss->pmu_cfg); | |
205 | ||
206 | /* Wait for XO configuration to finish */ | |
207 | while (readl(wcnss->pmu_cfg) & WCNSS_PMU_IRIS_XO_CFG_STS) | |
208 | cpu_relax(); | |
209 | ||
210 | /* Stop IRIS XO configuration */ | |
211 | val &= ~WCNSS_PMU_GC_BUS_MUX_SEL_TOP; | |
212 | val &= ~WCNSS_PMU_IRIS_XO_CFG; | |
213 | writel(val, wcnss->pmu_cfg); | |
214 | ||
215 | /* Add some delay for XO to settle */ | |
216 | msleep(20); | |
217 | } | |
218 | ||
219 | static int wcnss_start(struct rproc *rproc) | |
220 | { | |
221 | struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; | |
222 | int ret; | |
223 | ||
224 | mutex_lock(&wcnss->iris_lock); | |
225 | if (!wcnss->iris) { | |
226 | dev_err(wcnss->dev, "no iris registered\n"); | |
227 | ret = -EINVAL; | |
228 | goto release_iris_lock; | |
229 | } | |
230 | ||
231 | ret = regulator_bulk_enable(wcnss->num_vregs, wcnss->vregs); | |
232 | if (ret) | |
233 | goto release_iris_lock; | |
234 | ||
235 | ret = qcom_iris_enable(wcnss->iris); | |
236 | if (ret) | |
237 | goto disable_regulators; | |
238 | ||
239 | wcnss_indicate_nv_download(wcnss); | |
240 | wcnss_configure_iris(wcnss); | |
241 | ||
242 | ret = qcom_scm_pas_auth_and_reset(WCNSS_PAS_ID); | |
243 | if (ret) { | |
244 | dev_err(wcnss->dev, | |
245 | "failed to authenticate image and release reset\n"); | |
246 | goto disable_iris; | |
247 | } | |
248 | ||
249 | ret = wait_for_completion_timeout(&wcnss->start_done, | |
250 | msecs_to_jiffies(5000)); | |
251 | if (wcnss->ready_irq > 0 && ret == 0) { | |
252 | /* We have a ready_irq, but it didn't fire in time. */ | |
253 | dev_err(wcnss->dev, "start timed out\n"); | |
254 | qcom_scm_pas_shutdown(WCNSS_PAS_ID); | |
255 | ret = -ETIMEDOUT; | |
256 | goto disable_iris; | |
257 | } | |
258 | ||
259 | ret = 0; | |
260 | ||
261 | disable_iris: | |
262 | qcom_iris_disable(wcnss->iris); | |
263 | disable_regulators: | |
264 | regulator_bulk_disable(wcnss->num_vregs, wcnss->vregs); | |
265 | release_iris_lock: | |
266 | mutex_unlock(&wcnss->iris_lock); | |
267 | ||
268 | return ret; | |
269 | } | |
270 | ||
271 | static int wcnss_stop(struct rproc *rproc) | |
272 | { | |
273 | struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; | |
274 | int ret; | |
275 | ||
276 | if (wcnss->state) { | |
277 | qcom_smem_state_update_bits(wcnss->state, | |
278 | BIT(wcnss->stop_bit), | |
279 | BIT(wcnss->stop_bit)); | |
280 | ||
281 | ret = wait_for_completion_timeout(&wcnss->stop_done, | |
282 | msecs_to_jiffies(5000)); | |
283 | if (ret == 0) | |
284 | dev_err(wcnss->dev, "timed out on wait\n"); | |
285 | ||
286 | qcom_smem_state_update_bits(wcnss->state, | |
287 | BIT(wcnss->stop_bit), | |
288 | 0); | |
289 | } | |
290 | ||
291 | ret = qcom_scm_pas_shutdown(WCNSS_PAS_ID); | |
292 | if (ret) | |
293 | dev_err(wcnss->dev, "failed to shutdown: %d\n", ret); | |
294 | ||
295 | return ret; | |
296 | } | |
297 | ||
9ce3bf22 | 298 | static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len) |
aed361ad BA |
299 | { |
300 | struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv; | |
301 | int offset; | |
302 | ||
303 | offset = da - wcnss->mem_reloc; | |
304 | if (offset < 0 || offset + len > wcnss->mem_size) | |
305 | return NULL; | |
306 | ||
307 | return wcnss->mem_region + offset; | |
308 | } | |
309 | ||
310 | static const struct rproc_ops wcnss_ops = { | |
311 | .start = wcnss_start, | |
312 | .stop = wcnss_stop, | |
313 | .da_to_va = wcnss_da_to_va, | |
dcb57ed4 | 314 | .parse_fw = qcom_register_dump_segments, |
0f21f9cc | 315 | .load = wcnss_load, |
aed361ad BA |
316 | }; |
317 | ||
318 | static irqreturn_t wcnss_wdog_interrupt(int irq, void *dev) | |
319 | { | |
320 | struct qcom_wcnss *wcnss = dev; | |
321 | ||
322 | rproc_report_crash(wcnss->rproc, RPROC_WATCHDOG); | |
323 | ||
324 | return IRQ_HANDLED; | |
325 | } | |
326 | ||
327 | static irqreturn_t wcnss_fatal_interrupt(int irq, void *dev) | |
328 | { | |
329 | struct qcom_wcnss *wcnss = dev; | |
330 | size_t len; | |
331 | char *msg; | |
332 | ||
333 | msg = qcom_smem_get(QCOM_SMEM_HOST_ANY, WCNSS_CRASH_REASON_SMEM, &len); | |
334 | if (!IS_ERR(msg) && len > 0 && msg[0]) | |
335 | dev_err(wcnss->dev, "fatal error received: %s\n", msg); | |
336 | ||
337 | rproc_report_crash(wcnss->rproc, RPROC_FATAL_ERROR); | |
338 | ||
aed361ad BA |
339 | return IRQ_HANDLED; |
340 | } | |
341 | ||
342 | static irqreturn_t wcnss_ready_interrupt(int irq, void *dev) | |
343 | { | |
344 | struct qcom_wcnss *wcnss = dev; | |
345 | ||
346 | complete(&wcnss->start_done); | |
347 | ||
348 | return IRQ_HANDLED; | |
349 | } | |
350 | ||
351 | static irqreturn_t wcnss_handover_interrupt(int irq, void *dev) | |
352 | { | |
353 | /* | |
354 | * XXX: At this point we're supposed to release the resources that we | |
355 | * have been holding on behalf of the WCNSS. Unfortunately this | |
356 | * interrupt comes way before the other side seems to be done. | |
357 | * | |
358 | * So we're currently relying on the ready interrupt firing later then | |
359 | * this and we just disable the resources at the end of wcnss_start(). | |
360 | */ | |
361 | ||
362 | return IRQ_HANDLED; | |
363 | } | |
364 | ||
365 | static irqreturn_t wcnss_stop_ack_interrupt(int irq, void *dev) | |
366 | { | |
367 | struct qcom_wcnss *wcnss = dev; | |
368 | ||
369 | complete(&wcnss->stop_done); | |
370 | ||
371 | return IRQ_HANDLED; | |
372 | } | |
373 | ||
374 | static int wcnss_init_regulators(struct qcom_wcnss *wcnss, | |
375 | const struct wcnss_vreg_info *info, | |
376 | int num_vregs) | |
377 | { | |
378 | struct regulator_bulk_data *bulk; | |
379 | int ret; | |
380 | int i; | |
381 | ||
382 | bulk = devm_kcalloc(wcnss->dev, | |
383 | num_vregs, sizeof(struct regulator_bulk_data), | |
384 | GFP_KERNEL); | |
385 | if (!bulk) | |
386 | return -ENOMEM; | |
387 | ||
388 | for (i = 0; i < num_vregs; i++) | |
389 | bulk[i].supply = info[i].name; | |
390 | ||
391 | ret = devm_regulator_bulk_get(wcnss->dev, num_vregs, bulk); | |
392 | if (ret) | |
393 | return ret; | |
394 | ||
395 | for (i = 0; i < num_vregs; i++) { | |
396 | if (info[i].max_voltage) | |
397 | regulator_set_voltage(bulk[i].consumer, | |
398 | info[i].min_voltage, | |
399 | info[i].max_voltage); | |
400 | ||
401 | if (info[i].load_uA) | |
402 | regulator_set_load(bulk[i].consumer, info[i].load_uA); | |
403 | } | |
404 | ||
405 | wcnss->vregs = bulk; | |
406 | wcnss->num_vregs = num_vregs; | |
407 | ||
408 | return 0; | |
409 | } | |
410 | ||
411 | static int wcnss_request_irq(struct qcom_wcnss *wcnss, | |
412 | struct platform_device *pdev, | |
413 | const char *name, | |
414 | bool optional, | |
415 | irq_handler_t thread_fn) | |
416 | { | |
417 | int ret; | |
418 | ||
419 | ret = platform_get_irq_byname(pdev, name); | |
420 | if (ret < 0 && optional) { | |
421 | dev_dbg(&pdev->dev, "no %s IRQ defined, ignoring\n", name); | |
422 | return 0; | |
423 | } else if (ret < 0) { | |
424 | dev_err(&pdev->dev, "no %s IRQ defined\n", name); | |
425 | return ret; | |
426 | } | |
427 | ||
428 | ret = devm_request_threaded_irq(&pdev->dev, ret, | |
429 | NULL, thread_fn, | |
430 | IRQF_TRIGGER_RISING | IRQF_ONESHOT, | |
431 | "wcnss", wcnss); | |
432 | if (ret) | |
433 | dev_err(&pdev->dev, "request %s IRQ failed\n", name); | |
434 | ||
435 | return ret; | |
436 | } | |
437 | ||
438 | static int wcnss_alloc_memory_region(struct qcom_wcnss *wcnss) | |
439 | { | |
440 | struct device_node *node; | |
441 | struct resource r; | |
442 | int ret; | |
443 | ||
444 | node = of_parse_phandle(wcnss->dev->of_node, "memory-region", 0); | |
445 | if (!node) { | |
446 | dev_err(wcnss->dev, "no memory-region specified\n"); | |
447 | return -EINVAL; | |
448 | } | |
449 | ||
450 | ret = of_address_to_resource(node, 0, &r); | |
451 | if (ret) | |
452 | return ret; | |
453 | ||
454 | wcnss->mem_phys = wcnss->mem_reloc = r.start; | |
455 | wcnss->mem_size = resource_size(&r); | |
456 | wcnss->mem_region = devm_ioremap_wc(wcnss->dev, wcnss->mem_phys, wcnss->mem_size); | |
457 | if (!wcnss->mem_region) { | |
458 | dev_err(wcnss->dev, "unable to map memory region: %pa+%zx\n", | |
459 | &r.start, wcnss->mem_size); | |
460 | return -EBUSY; | |
461 | } | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
466 | static int wcnss_probe(struct platform_device *pdev) | |
467 | { | |
468 | const struct wcnss_data *data; | |
469 | struct qcom_wcnss *wcnss; | |
470 | struct resource *res; | |
471 | struct rproc *rproc; | |
472 | void __iomem *mmio; | |
473 | int ret; | |
474 | ||
475 | data = of_device_get_match_data(&pdev->dev); | |
476 | ||
477 | if (!qcom_scm_is_available()) | |
478 | return -EPROBE_DEFER; | |
479 | ||
480 | if (!qcom_scm_pas_supported(WCNSS_PAS_ID)) { | |
481 | dev_err(&pdev->dev, "PAS is not available for WCNSS\n"); | |
482 | return -ENXIO; | |
483 | } | |
484 | ||
485 | rproc = rproc_alloc(&pdev->dev, pdev->name, &wcnss_ops, | |
486 | WCNSS_FIRMWARE_NAME, sizeof(*wcnss)); | |
487 | if (!rproc) { | |
488 | dev_err(&pdev->dev, "unable to allocate remoteproc\n"); | |
489 | return -ENOMEM; | |
490 | } | |
3898fc99 | 491 | rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE); |
aed361ad | 492 | |
aed361ad BA |
493 | wcnss = (struct qcom_wcnss *)rproc->priv; |
494 | wcnss->dev = &pdev->dev; | |
495 | wcnss->rproc = rproc; | |
496 | platform_set_drvdata(pdev, wcnss); | |
497 | ||
498 | init_completion(&wcnss->start_done); | |
499 | init_completion(&wcnss->stop_done); | |
500 | ||
501 | mutex_init(&wcnss->iris_lock); | |
502 | ||
503 | res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pmu"); | |
504 | mmio = devm_ioremap_resource(&pdev->dev, res); | |
f4e1f9bb WY |
505 | if (IS_ERR(mmio)) { |
506 | ret = PTR_ERR(mmio); | |
aed361ad BA |
507 | goto free_rproc; |
508 | }; | |
509 | ||
510 | ret = wcnss_alloc_memory_region(wcnss); | |
511 | if (ret) | |
512 | goto free_rproc; | |
513 | ||
514 | wcnss->pmu_cfg = mmio + data->pmu_offset; | |
515 | wcnss->spare_out = mmio + data->spare_offset; | |
516 | ||
517 | ret = wcnss_init_regulators(wcnss, data->vregs, data->num_vregs); | |
518 | if (ret) | |
519 | goto free_rproc; | |
520 | ||
521 | ret = wcnss_request_irq(wcnss, pdev, "wdog", false, wcnss_wdog_interrupt); | |
522 | if (ret < 0) | |
523 | goto free_rproc; | |
524 | wcnss->wdog_irq = ret; | |
525 | ||
526 | ret = wcnss_request_irq(wcnss, pdev, "fatal", false, wcnss_fatal_interrupt); | |
527 | if (ret < 0) | |
528 | goto free_rproc; | |
529 | wcnss->fatal_irq = ret; | |
530 | ||
531 | ret = wcnss_request_irq(wcnss, pdev, "ready", true, wcnss_ready_interrupt); | |
532 | if (ret < 0) | |
533 | goto free_rproc; | |
534 | wcnss->ready_irq = ret; | |
535 | ||
536 | ret = wcnss_request_irq(wcnss, pdev, "handover", true, wcnss_handover_interrupt); | |
537 | if (ret < 0) | |
538 | goto free_rproc; | |
539 | wcnss->handover_irq = ret; | |
540 | ||
541 | ret = wcnss_request_irq(wcnss, pdev, "stop-ack", true, wcnss_stop_ack_interrupt); | |
542 | if (ret < 0) | |
543 | goto free_rproc; | |
544 | wcnss->stop_ack_irq = ret; | |
545 | ||
546 | if (wcnss->stop_ack_irq) { | |
547 | wcnss->state = qcom_smem_state_get(&pdev->dev, "stop", | |
548 | &wcnss->stop_bit); | |
549 | if (IS_ERR(wcnss->state)) { | |
550 | ret = PTR_ERR(wcnss->state); | |
551 | goto free_rproc; | |
552 | } | |
553 | } | |
554 | ||
b90fcfcb | 555 | qcom_add_smd_subdev(rproc, &wcnss->smd_subdev); |
1fb82ee8 | 556 | wcnss->sysmon = qcom_add_sysmon_subdev(rproc, "wcnss", WCNSS_SSCTL_ID); |
027045a6 SS |
557 | if (IS_ERR(wcnss->sysmon)) { |
558 | ret = PTR_ERR(wcnss->sysmon); | |
559 | goto free_rproc; | |
560 | } | |
5a856bc6 | 561 | |
aed361ad BA |
562 | ret = rproc_add(rproc); |
563 | if (ret) | |
564 | goto free_rproc; | |
565 | ||
566 | return of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev); | |
567 | ||
568 | free_rproc: | |
433c0e04 | 569 | rproc_free(rproc); |
aed361ad BA |
570 | |
571 | return ret; | |
572 | } | |
573 | ||
574 | static int wcnss_remove(struct platform_device *pdev) | |
575 | { | |
576 | struct qcom_wcnss *wcnss = platform_get_drvdata(pdev); | |
577 | ||
578 | of_platform_depopulate(&pdev->dev); | |
579 | ||
580 | qcom_smem_state_put(wcnss->state); | |
581 | rproc_del(wcnss->rproc); | |
b90fcfcb | 582 | |
1fb82ee8 | 583 | qcom_remove_sysmon_subdev(wcnss->sysmon); |
b90fcfcb | 584 | qcom_remove_smd_subdev(wcnss->rproc, &wcnss->smd_subdev); |
433c0e04 | 585 | rproc_free(wcnss->rproc); |
aed361ad BA |
586 | |
587 | return 0; | |
588 | } | |
589 | ||
590 | static const struct of_device_id wcnss_of_match[] = { | |
591 | { .compatible = "qcom,riva-pil", &riva_data }, | |
592 | { .compatible = "qcom,pronto-v1-pil", &pronto_v1_data }, | |
593 | { .compatible = "qcom,pronto-v2-pil", &pronto_v2_data }, | |
594 | { }, | |
595 | }; | |
4958aabb | 596 | MODULE_DEVICE_TABLE(of, wcnss_of_match); |
aed361ad BA |
597 | |
598 | static struct platform_driver wcnss_driver = { | |
599 | .probe = wcnss_probe, | |
600 | .remove = wcnss_remove, | |
601 | .driver = { | |
602 | .name = "qcom-wcnss-pil", | |
603 | .of_match_table = wcnss_of_match, | |
604 | }, | |
605 | }; | |
606 | ||
6de1a507 BA |
607 | static int __init wcnss_init(void) |
608 | { | |
609 | int ret; | |
610 | ||
611 | ret = platform_driver_register(&wcnss_driver); | |
612 | if (ret) | |
613 | return ret; | |
614 | ||
615 | ret = platform_driver_register(&qcom_iris_driver); | |
616 | if (ret) | |
617 | platform_driver_unregister(&wcnss_driver); | |
618 | ||
619 | return ret; | |
620 | } | |
621 | module_init(wcnss_init); | |
622 | ||
623 | static void __exit wcnss_exit(void) | |
624 | { | |
625 | platform_driver_unregister(&qcom_iris_driver); | |
626 | platform_driver_unregister(&wcnss_driver); | |
627 | } | |
628 | module_exit(wcnss_exit); | |
629 | ||
fff7fca5 | 630 | MODULE_DESCRIPTION("Qualcomm Peripheral Image Loader for Wireless Subsystem"); |
aed361ad | 631 | MODULE_LICENSE("GPL v2"); |