Lines Matching +full:soundwire +full:- +full:controller
1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2 // Copyright(c) 2015-17 Intel Corporation.
17 #include <linux/soundwire/sdw_intel.h>
44 return ERR_PTR(-ENOMEM); in intel_link_dev_register()
46 auxdev = &ldev->auxdev; in intel_link_dev_register()
47 auxdev->name = name; in intel_link_dev_register()
48 auxdev->dev.parent = res->parent; in intel_link_dev_register()
49 auxdev->dev.fwnode = fwnode; in intel_link_dev_register()
50 auxdev->dev.release = intel_link_dev_release; in intel_link_dev_register()
53 auxdev->id = link_id; in intel_link_dev_register()
58 * no need to check if ctx->ldev[i] is NULL later on. in intel_link_dev_register()
60 ctx->ldev[link_id] = ldev; in intel_link_dev_register()
63 link = &ldev->link_res; in intel_link_dev_register()
64 link->hw_ops = res->hw_ops; in intel_link_dev_register()
65 link->mmio_base = res->mmio_base; in intel_link_dev_register()
66 if (!res->ext) { in intel_link_dev_register()
67 link->registers = res->mmio_base + SDW_LINK_BASE in intel_link_dev_register()
69 link->ip_offset = 0; in intel_link_dev_register()
70 link->shim = res->mmio_base + res->shim_base; in intel_link_dev_register()
71 link->alh = res->mmio_base + res->alh_base; in intel_link_dev_register()
72 link->shim_lock = &ctx->shim_lock; in intel_link_dev_register()
74 link->registers = res->mmio_base + SDW_IP_BASE(link_id); in intel_link_dev_register()
75 link->ip_offset = SDW_CADENCE_MCP_IP_OFFSET; in intel_link_dev_register()
76 link->shim = res->mmio_base + SDW_SHIM2_GENERIC_BASE(link_id); in intel_link_dev_register()
77 link->shim_vs = res->mmio_base + SDW_SHIM2_VS_BASE(link_id); in intel_link_dev_register()
78 link->shim_lock = res->eml_lock; in intel_link_dev_register()
81 link->ops = res->ops; in intel_link_dev_register()
82 link->dev = res->dev; in intel_link_dev_register()
84 link->clock_stop_quirks = res->clock_stop_quirks; in intel_link_dev_register()
85 link->shim_mask = &ctx->shim_mask; in intel_link_dev_register()
86 link->link_mask = ctx->link_mask; in intel_link_dev_register()
88 link->hbus = res->hbus; in intel_link_dev_register()
90 /* now follow the two-step init/add sequence */ in intel_link_dev_register()
93 dev_err(res->parent, "failed to initialize link dev %s link_id %d\n", in intel_link_dev_register()
99 ret = auxiliary_device_add(&ldev->auxdev); in intel_link_dev_register()
101 dev_err(res->parent, "failed to add link dev %s link_id %d\n", in intel_link_dev_register()
102 ldev->auxdev.name, link_id); in intel_link_dev_register()
104 auxiliary_device_uninit(&ldev->auxdev); in intel_link_dev_register()
113 auxiliary_device_delete(&ldev->auxdev); in intel_link_dev_unregister()
114 auxiliary_device_uninit(&ldev->auxdev); in intel_link_dev_unregister()
123 link_mask = ctx->link_mask; in sdw_intel_cleanup()
125 for (i = 0; i < ctx->count; i++) { in sdw_intel_cleanup()
129 ldev = ctx->ldev[i]; in sdw_intel_cleanup()
131 pm_runtime_disable(&ldev->auxdev.dev); in sdw_intel_cleanup()
132 if (!ldev->link_res.clock_stop_quirks) in sdw_intel_cleanup()
133 pm_runtime_put_noidle(ldev->link_res.dev); in sdw_intel_cleanup()
146 list_for_each_entry(link, &ctx->link_list, list) in sdw_intel_thread()
147 sdw_cdns_irq(irq, link->cdns); in sdw_intel_thread()
171 adev = acpi_fetch_acpi_dev(res->handle); in sdw_intel_probe_controller()
175 if (!res->count) in sdw_intel_probe_controller()
178 count = res->count; in sdw_intel_probe_controller()
179 dev_dbg(&adev->dev, "Creating %d SDW Link devices\n", count); in sdw_intel_probe_controller()
191 ctx->count = count; in sdw_intel_probe_controller()
194 * allocate the array of pointers. The link-specific data is allocated in sdw_intel_probe_controller()
199 ctx->ldev = kcalloc(ctx->count, sizeof(*ctx->ldev), GFP_KERNEL); in sdw_intel_probe_controller()
200 if (!ctx->ldev) { in sdw_intel_probe_controller()
205 ctx->mmio_base = res->mmio_base; in sdw_intel_probe_controller()
206 ctx->shim_base = res->shim_base; in sdw_intel_probe_controller()
207 ctx->alh_base = res->alh_base; in sdw_intel_probe_controller()
208 ctx->link_mask = res->link_mask; in sdw_intel_probe_controller()
209 ctx->handle = res->handle; in sdw_intel_probe_controller()
210 mutex_init(&ctx->shim_lock); in sdw_intel_probe_controller()
212 link_mask = ctx->link_mask; in sdw_intel_probe_controller()
214 INIT_LIST_HEAD(&ctx->link_list); in sdw_intel_probe_controller()
235 link = &ldev->link_res; in sdw_intel_probe_controller()
236 link->cdns = auxiliary_get_drvdata(&ldev->auxdev); in sdw_intel_probe_controller()
238 if (!link->cdns) { in sdw_intel_probe_controller()
239 dev_err(&adev->dev, "failed to get link->cdns\n"); in sdw_intel_probe_controller()
247 list_add_tail(&link->list, &ctx->link_list); in sdw_intel_probe_controller()
248 bus = &link->cdns->bus; in sdw_intel_probe_controller()
250 list_for_each(node, &bus->slaves) in sdw_intel_probe_controller()
254 ctx->ids = kcalloc(num_slaves, sizeof(*ctx->ids), GFP_KERNEL); in sdw_intel_probe_controller()
255 if (!ctx->ids) in sdw_intel_probe_controller()
258 ctx->num_slaves = num_slaves; in sdw_intel_probe_controller()
260 list_for_each_entry(link, &ctx->link_list, list) { in sdw_intel_probe_controller()
261 bus = &link->cdns->bus; in sdw_intel_probe_controller()
262 list_for_each_entry(slave, &bus->slaves, node) { in sdw_intel_probe_controller()
263 ctx->ids[i].id = slave->id; in sdw_intel_probe_controller()
264 ctx->ids[i].link_id = bus->link_id; 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()
312 * power rails to the SoundWire IP are not 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
326 * This registers an auxiliary device for each Master handled by the controller,
327 * and SoundWire Master and Slave devices will be created by the auxiliary
340 * sdw_intel_startup() - SoundWire Intel startup
341 * @ctx: SoundWire context allocated in the probe
343 * Startup Intel SoundWire controller. This function will be called after
352 * sdw_intel_exit() - SoundWire Intel exit
353 * @ctx: SoundWire context allocated in the probe
355 * Delete the controller instances created and cleanup
360 kfree(ctx->ids); in sdw_intel_exit()
361 kfree(ctx->ldev); in sdw_intel_exit()
372 if (!ctx->ldev) in sdw_intel_process_wakeen_event()
375 link_mask = ctx->link_mask; in sdw_intel_process_wakeen_event()
378 for (i = 0; i < ctx->count; i++) { in sdw_intel_process_wakeen_event()
382 ldev = ctx->ldev[i]; in sdw_intel_process_wakeen_event()
384 intel_link_process_wakeen_event(&ldev->auxdev); in sdw_intel_process_wakeen_event()
390 MODULE_DESCRIPTION("Intel Soundwire Init Library");