Lines Matching +full:loop +full:- +full:powered
1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 // Copyright(c) 2015-17 Intel Corporation.
45 return ERR_PTR(-ENOMEM); in intel_link_dev_register()
47 auxdev = &ldev->auxdev; in intel_link_dev_register()
48 auxdev->name = name; in intel_link_dev_register()
49 auxdev->dev.parent = res->parent; in intel_link_dev_register()
50 auxdev->dev.fwnode = fwnode; in intel_link_dev_register()
51 auxdev->dev.release = intel_link_dev_release; in intel_link_dev_register()
54 auxdev->id = link_id; in intel_link_dev_register()
59 * no need to check if ctx->ldev[i] is NULL later on. in intel_link_dev_register()
61 ctx->ldev[link_id] = ldev; in intel_link_dev_register()
64 link = &ldev->link_res; in intel_link_dev_register()
65 link->hw_ops = res->hw_ops; in intel_link_dev_register()
66 link->mmio_base = res->mmio_base; in intel_link_dev_register()
67 if (!res->ext) { in intel_link_dev_register()
68 link->registers = res->mmio_base + SDW_LINK_BASE in intel_link_dev_register()
70 link->ip_offset = 0; in intel_link_dev_register()
71 link->shim = res->mmio_base + res->shim_base; in intel_link_dev_register()
72 link->alh = res->mmio_base + res->alh_base; in intel_link_dev_register()
73 link->shim_lock = &ctx->shim_lock; in intel_link_dev_register()
75 link->registers = res->mmio_base + SDW_IP_BASE(link_id); in intel_link_dev_register()
76 link->ip_offset = SDW_CADENCE_MCP_IP_OFFSET; in intel_link_dev_register()
77 link->shim = res->mmio_base + SDW_SHIM2_GENERIC_BASE(link_id); in intel_link_dev_register()
78 link->shim_vs = res->mmio_base + SDW_SHIM2_VS_BASE(link_id); in intel_link_dev_register()
79 link->shim_lock = res->eml_lock; in intel_link_dev_register()
82 link->ops = res->ops; in intel_link_dev_register()
83 link->dev = res->dev; in intel_link_dev_register()
85 link->clock_stop_quirks = res->clock_stop_quirks; in intel_link_dev_register()
86 link->shim_mask = &ctx->shim_mask; in intel_link_dev_register()
87 link->link_mask = ctx->link_mask; in intel_link_dev_register()
89 link->hbus = res->hbus; in intel_link_dev_register()
91 /* now follow the two-step init/add sequence */ in intel_link_dev_register()
94 dev_err(res->parent, "failed to initialize link dev %s link_id %d\n", in intel_link_dev_register()
100 ret = auxiliary_device_add(&ldev->auxdev); in intel_link_dev_register()
102 dev_err(res->parent, "failed to add link dev %s link_id %d\n", in intel_link_dev_register()
103 ldev->auxdev.name, link_id); in intel_link_dev_register()
105 auxiliary_device_uninit(&ldev->auxdev); in intel_link_dev_register()
114 auxiliary_device_delete(&ldev->auxdev); in intel_link_dev_unregister()
115 auxiliary_device_uninit(&ldev->auxdev); in intel_link_dev_unregister()
124 link_mask = ctx->link_mask; in sdw_intel_cleanup()
126 for (i = 0; i < ctx->count; i++) { in sdw_intel_cleanup()
130 ldev = ctx->ldev[i]; in sdw_intel_cleanup()
132 pm_runtime_disable(&ldev->auxdev.dev); in sdw_intel_cleanup()
133 if (!ldev->link_res.clock_stop_quirks) in sdw_intel_cleanup()
134 pm_runtime_put_noidle(ldev->link_res.dev); in sdw_intel_cleanup()
147 list_for_each_entry(link, &ctx->link_list, list) in sdw_intel_thread()
148 sdw_cdns_irq(irq, link->cdns); in sdw_intel_thread()
172 adev = acpi_fetch_acpi_dev(res->handle); in sdw_intel_probe_controller()
176 if (!res->count) in sdw_intel_probe_controller()
179 count = res->count; in sdw_intel_probe_controller()
180 dev_dbg(&adev->dev, "Creating %d SDW Link devices\n", count); in sdw_intel_probe_controller()
192 ctx->count = count; in sdw_intel_probe_controller()
195 * allocate the array of pointers. The link-specific data is allocated in sdw_intel_probe_controller()
196 * as part of the first loop below and released with the auxiliary_device_uninit(). in sdw_intel_probe_controller()
200 ctx->ldev = kcalloc(ctx->count, sizeof(*ctx->ldev), GFP_KERNEL); in sdw_intel_probe_controller()
201 if (!ctx->ldev) { in sdw_intel_probe_controller()
206 ctx->mmio_base = res->mmio_base; in sdw_intel_probe_controller()
207 ctx->shim_base = res->shim_base; in sdw_intel_probe_controller()
208 ctx->alh_base = res->alh_base; in sdw_intel_probe_controller()
209 ctx->link_mask = res->link_mask; in sdw_intel_probe_controller()
210 ctx->handle = res->handle; in sdw_intel_probe_controller()
211 mutex_init(&ctx->shim_lock); in sdw_intel_probe_controller()
213 link_mask = ctx->link_mask; in sdw_intel_probe_controller()
215 INIT_LIST_HEAD(&ctx->link_list); in sdw_intel_probe_controller()
236 link = &ldev->link_res; in sdw_intel_probe_controller()
237 link->cdns = auxiliary_get_drvdata(&ldev->auxdev); in sdw_intel_probe_controller()
239 if (!link->cdns) { in sdw_intel_probe_controller()
240 dev_err(&adev->dev, "failed to get link->cdns\n"); in sdw_intel_probe_controller()
248 list_add_tail(&link->list, &ctx->link_list); in sdw_intel_probe_controller()
249 bus = &link->cdns->bus; in sdw_intel_probe_controller()
251 list_for_each(node, &bus->slaves) in sdw_intel_probe_controller()
255 ctx->peripherals = kmalloc(struct_size(ctx->peripherals, array, num_slaves), in sdw_intel_probe_controller()
257 if (!ctx->peripherals) in sdw_intel_probe_controller()
259 ctx->peripherals->num_peripherals = num_slaves; in sdw_intel_probe_controller()
261 list_for_each_entry(link, &ctx->link_list, list) { in sdw_intel_probe_controller()
262 bus = &link->cdns->bus; in sdw_intel_probe_controller()
263 list_for_each_entry(slave, &bus->slaves, node) { in sdw_intel_probe_controller()
264 ctx->peripherals->array[i] = slave; in sdw_intel_probe_controller()
272 while (i--) { in sdw_intel_probe_controller()
275 ldev = ctx->ldev[i]; in sdw_intel_probe_controller()
278 kfree(ctx->ldev); in sdw_intel_probe_controller()
286 struct acpi_device *adev = acpi_fetch_acpi_dev(ctx->handle); in sdw_intel_startup_controller()
292 return -EINVAL; in sdw_intel_startup_controller()
294 if (!ctx->ldev) in sdw_intel_startup_controller()
295 return -EINVAL; in sdw_intel_startup_controller()
297 link_mask = ctx->link_mask; in sdw_intel_startup_controller()
300 for (i = 0; i < ctx->count; i++) { in sdw_intel_startup_controller()
304 ldev = ctx->ldev[i]; in sdw_intel_startup_controller()
306 intel_link_startup(&ldev->auxdev); in sdw_intel_startup_controller()
308 if (!ldev->link_res.clock_stop_quirks) { in sdw_intel_startup_controller()
315 pm_runtime_get_noresume(ldev->link_res.dev); in sdw_intel_startup_controller()
323 * sdw_intel_probe() - SoundWire Intel probe routine
340 * sdw_intel_startup() - SoundWire Intel startup
344 * Intel Audio DSP is powered up.
352 * sdw_intel_exit() - SoundWire Intel exit
362 list_for_each_entry(link, &ctx->link_list, list) { in sdw_intel_exit()
363 struct sdw_bus *bus = &link->cdns->bus; in sdw_intel_exit()
366 ret = device_for_each_child(bus->dev, NULL, intel_resume_child_device); in sdw_intel_exit()
368 dev_err(bus->dev, "%s: intel_resume_child_device failed: %d\n", in sdw_intel_exit()
373 kfree(ctx->peripherals); in sdw_intel_exit()
374 kfree(ctx->ldev); in sdw_intel_exit()
385 if (!ctx->ldev) in sdw_intel_process_wakeen_event()
388 link_mask = ctx->link_mask; in sdw_intel_process_wakeen_event()
391 for (i = 0; i < ctx->count; i++) { in sdw_intel_process_wakeen_event()
395 ldev = ctx->ldev[i]; in sdw_intel_process_wakeen_event()
397 intel_link_process_wakeen_event(&ldev->auxdev); in sdw_intel_process_wakeen_event()