197fb5e8dSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2ea7a1f27SBjorn Andersson /*
36be2b3d0SBjorn Andersson * Copyright (c) 2016, Linaro Ltd.
4ea7a1f27SBjorn Andersson * Copyright (c) 2015, Sony Mobile Communications Inc.
5ea7a1f27SBjorn Andersson */
6ea7a1f27SBjorn Andersson #include <linux/firmware.h>
7ea7a1f27SBjorn Andersson #include <linux/module.h>
8ea7a1f27SBjorn Andersson #include <linux/slab.h>
96be2b3d0SBjorn Andersson #include <linux/io.h>
10*6484be9dSRob Herring #include <linux/of.h>
116be2b3d0SBjorn Andersson #include <linux/of_platform.h>
126be2b3d0SBjorn Andersson #include <linux/platform_device.h>
135052de8dSBjorn Andersson #include <linux/rpmsg.h>
146be2b3d0SBjorn Andersson #include <linux/soc/qcom/wcnss_ctrl.h>
15ea7a1f27SBjorn Andersson
16ea7a1f27SBjorn Andersson #define WCNSS_REQUEST_TIMEOUT (5 * HZ)
176be2b3d0SBjorn Andersson #define WCNSS_CBC_TIMEOUT (10 * HZ)
186be2b3d0SBjorn Andersson
196be2b3d0SBjorn Andersson #define WCNSS_ACK_DONE_BOOTING 1
206be2b3d0SBjorn Andersson #define WCNSS_ACK_COLD_BOOTING 2
21ea7a1f27SBjorn Andersson
22ea7a1f27SBjorn Andersson #define NV_FRAGMENT_SIZE 3072
23ea7a1f27SBjorn Andersson #define NVBIN_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin"
24ea7a1f27SBjorn Andersson
25ea7a1f27SBjorn Andersson /**
26ea7a1f27SBjorn Andersson * struct wcnss_ctrl - driver context
27ea7a1f27SBjorn Andersson * @dev: device handle
28ea7a1f27SBjorn Andersson * @channel: SMD channel handle
29ea7a1f27SBjorn Andersson * @ack: completion for outstanding requests
306be2b3d0SBjorn Andersson * @cbc: completion for cbc complete indication
31ea7a1f27SBjorn Andersson * @ack_status: status of the outstanding request
326be2b3d0SBjorn Andersson * @probe_work: worker for uploading nv binary
33ea7a1f27SBjorn Andersson */
34ea7a1f27SBjorn Andersson struct wcnss_ctrl {
35ea7a1f27SBjorn Andersson struct device *dev;
365052de8dSBjorn Andersson struct rpmsg_endpoint *channel;
37ea7a1f27SBjorn Andersson
38ea7a1f27SBjorn Andersson struct completion ack;
396be2b3d0SBjorn Andersson struct completion cbc;
40ea7a1f27SBjorn Andersson int ack_status;
41ea7a1f27SBjorn Andersson
426be2b3d0SBjorn Andersson struct work_struct probe_work;
43ea7a1f27SBjorn Andersson };
44ea7a1f27SBjorn Andersson
45ea7a1f27SBjorn Andersson /* message types */
46ea7a1f27SBjorn Andersson enum {
47ea7a1f27SBjorn Andersson WCNSS_VERSION_REQ = 0x01000000,
48ea7a1f27SBjorn Andersson WCNSS_VERSION_RESP,
49ea7a1f27SBjorn Andersson WCNSS_DOWNLOAD_NV_REQ,
50ea7a1f27SBjorn Andersson WCNSS_DOWNLOAD_NV_RESP,
51ea7a1f27SBjorn Andersson WCNSS_UPLOAD_CAL_REQ,
52ea7a1f27SBjorn Andersson WCNSS_UPLOAD_CAL_RESP,
53ea7a1f27SBjorn Andersson WCNSS_DOWNLOAD_CAL_REQ,
54ea7a1f27SBjorn Andersson WCNSS_DOWNLOAD_CAL_RESP,
556be2b3d0SBjorn Andersson WCNSS_VBAT_LEVEL_IND,
566be2b3d0SBjorn Andersson WCNSS_BUILD_VERSION_REQ,
576be2b3d0SBjorn Andersson WCNSS_BUILD_VERSION_RESP,
586be2b3d0SBjorn Andersson WCNSS_PM_CONFIG_REQ,
596be2b3d0SBjorn Andersson WCNSS_CBC_COMPLETE_IND,
60ea7a1f27SBjorn Andersson };
61ea7a1f27SBjorn Andersson
62ea7a1f27SBjorn Andersson /**
63ea7a1f27SBjorn Andersson * struct wcnss_msg_hdr - common packet header for requests and responses
64ea7a1f27SBjorn Andersson * @type: packet message type
65ea7a1f27SBjorn Andersson * @len: total length of the packet, including this header
66ea7a1f27SBjorn Andersson */
67ea7a1f27SBjorn Andersson struct wcnss_msg_hdr {
68ea7a1f27SBjorn Andersson u32 type;
69ea7a1f27SBjorn Andersson u32 len;
70ea7a1f27SBjorn Andersson } __packed;
71ea7a1f27SBjorn Andersson
72f5c805b1SLee Jones /*
73ea7a1f27SBjorn Andersson * struct wcnss_version_resp - version request response
74ea7a1f27SBjorn Andersson */
75ea7a1f27SBjorn Andersson struct wcnss_version_resp {
76ea7a1f27SBjorn Andersson struct wcnss_msg_hdr hdr;
77ea7a1f27SBjorn Andersson u8 major;
78ea7a1f27SBjorn Andersson u8 minor;
79ea7a1f27SBjorn Andersson u8 version;
80ea7a1f27SBjorn Andersson u8 revision;
81ea7a1f27SBjorn Andersson } __packed;
82ea7a1f27SBjorn Andersson
83ea7a1f27SBjorn Andersson /**
84ea7a1f27SBjorn Andersson * struct wcnss_download_nv_req - firmware fragment request
85ea7a1f27SBjorn Andersson * @hdr: common packet wcnss_msg_hdr header
86ea7a1f27SBjorn Andersson * @seq: sequence number of this fragment
87ea7a1f27SBjorn Andersson * @last: boolean indicator of this being the last fragment of the binary
88ea7a1f27SBjorn Andersson * @frag_size: length of this fragment
89ea7a1f27SBjorn Andersson * @fragment: fragment data
90ea7a1f27SBjorn Andersson */
91ea7a1f27SBjorn Andersson struct wcnss_download_nv_req {
92ea7a1f27SBjorn Andersson struct wcnss_msg_hdr hdr;
93ea7a1f27SBjorn Andersson u16 seq;
94ea7a1f27SBjorn Andersson u16 last;
95ea7a1f27SBjorn Andersson u32 frag_size;
96ea7a1f27SBjorn Andersson u8 fragment[];
97ea7a1f27SBjorn Andersson } __packed;
98ea7a1f27SBjorn Andersson
99ea7a1f27SBjorn Andersson /**
100ea7a1f27SBjorn Andersson * struct wcnss_download_nv_resp - firmware download response
101ea7a1f27SBjorn Andersson * @hdr: common packet wcnss_msg_hdr header
102ea7a1f27SBjorn Andersson * @status: boolean to indicate success of the download
103ea7a1f27SBjorn Andersson */
104ea7a1f27SBjorn Andersson struct wcnss_download_nv_resp {
105ea7a1f27SBjorn Andersson struct wcnss_msg_hdr hdr;
106ea7a1f27SBjorn Andersson u8 status;
107ea7a1f27SBjorn Andersson } __packed;
108ea7a1f27SBjorn Andersson
109ea7a1f27SBjorn Andersson /**
110ea7a1f27SBjorn Andersson * wcnss_ctrl_smd_callback() - handler from SMD responses
111f5c805b1SLee Jones * @rpdev: remote processor message device pointer
112ea7a1f27SBjorn Andersson * @data: pointer to the incoming data packet
113ea7a1f27SBjorn Andersson * @count: size of the incoming data packet
114f5c805b1SLee Jones * @priv: unused
115f5c805b1SLee Jones * @addr: unused
116ea7a1f27SBjorn Andersson *
117ea7a1f27SBjorn Andersson * Handles any incoming packets from the remote WCNSS_CTRL service.
118ea7a1f27SBjorn Andersson */
wcnss_ctrl_smd_callback(struct rpmsg_device * rpdev,void * data,int count,void * priv,u32 addr)1195052de8dSBjorn Andersson static int wcnss_ctrl_smd_callback(struct rpmsg_device *rpdev,
1205052de8dSBjorn Andersson void *data,
1215052de8dSBjorn Andersson int count,
1225052de8dSBjorn Andersson void *priv,
1235052de8dSBjorn Andersson u32 addr)
124ea7a1f27SBjorn Andersson {
1255052de8dSBjorn Andersson struct wcnss_ctrl *wcnss = dev_get_drvdata(&rpdev->dev);
126ea7a1f27SBjorn Andersson const struct wcnss_download_nv_resp *nvresp;
127ea7a1f27SBjorn Andersson const struct wcnss_version_resp *version;
128ea7a1f27SBjorn Andersson const struct wcnss_msg_hdr *hdr = data;
129ea7a1f27SBjorn Andersson
130ea7a1f27SBjorn Andersson switch (hdr->type) {
131ea7a1f27SBjorn Andersson case WCNSS_VERSION_RESP:
132ea7a1f27SBjorn Andersson if (count != sizeof(*version)) {
133ea7a1f27SBjorn Andersson dev_err(wcnss->dev,
134ea7a1f27SBjorn Andersson "invalid size of version response\n");
135ea7a1f27SBjorn Andersson break;
136ea7a1f27SBjorn Andersson }
137ea7a1f27SBjorn Andersson
138ea7a1f27SBjorn Andersson version = data;
139ea7a1f27SBjorn Andersson dev_info(wcnss->dev, "WCNSS Version %d.%d %d.%d\n",
140ea7a1f27SBjorn Andersson version->major, version->minor,
141ea7a1f27SBjorn Andersson version->version, version->revision);
142ea7a1f27SBjorn Andersson
1436be2b3d0SBjorn Andersson complete(&wcnss->ack);
144ea7a1f27SBjorn Andersson break;
145ea7a1f27SBjorn Andersson case WCNSS_DOWNLOAD_NV_RESP:
146ea7a1f27SBjorn Andersson if (count != sizeof(*nvresp)) {
147ea7a1f27SBjorn Andersson dev_err(wcnss->dev,
148ea7a1f27SBjorn Andersson "invalid size of download response\n");
149ea7a1f27SBjorn Andersson break;
150ea7a1f27SBjorn Andersson }
151ea7a1f27SBjorn Andersson
152ea7a1f27SBjorn Andersson nvresp = data;
153ea7a1f27SBjorn Andersson wcnss->ack_status = nvresp->status;
154ea7a1f27SBjorn Andersson complete(&wcnss->ack);
155ea7a1f27SBjorn Andersson break;
1566be2b3d0SBjorn Andersson case WCNSS_CBC_COMPLETE_IND:
1576be2b3d0SBjorn Andersson dev_dbg(wcnss->dev, "cold boot complete\n");
1586be2b3d0SBjorn Andersson complete(&wcnss->cbc);
1596be2b3d0SBjorn Andersson break;
160ea7a1f27SBjorn Andersson default:
161ea7a1f27SBjorn Andersson dev_info(wcnss->dev, "unknown message type %d\n", hdr->type);
162ea7a1f27SBjorn Andersson break;
163ea7a1f27SBjorn Andersson }
164ea7a1f27SBjorn Andersson
165ea7a1f27SBjorn Andersson return 0;
166ea7a1f27SBjorn Andersson }
167ea7a1f27SBjorn Andersson
168ea7a1f27SBjorn Andersson /**
169ea7a1f27SBjorn Andersson * wcnss_request_version() - send a version request to WCNSS
170ea7a1f27SBjorn Andersson * @wcnss: wcnss ctrl driver context
171ea7a1f27SBjorn Andersson */
wcnss_request_version(struct wcnss_ctrl * wcnss)172ea7a1f27SBjorn Andersson static int wcnss_request_version(struct wcnss_ctrl *wcnss)
173ea7a1f27SBjorn Andersson {
174ea7a1f27SBjorn Andersson struct wcnss_msg_hdr msg;
1756be2b3d0SBjorn Andersson int ret;
176ea7a1f27SBjorn Andersson
177ea7a1f27SBjorn Andersson msg.type = WCNSS_VERSION_REQ;
178ea7a1f27SBjorn Andersson msg.len = sizeof(msg);
1795052de8dSBjorn Andersson ret = rpmsg_send(wcnss->channel, &msg, sizeof(msg));
1806be2b3d0SBjorn Andersson if (ret < 0)
1816be2b3d0SBjorn Andersson return ret;
182ea7a1f27SBjorn Andersson
1836be2b3d0SBjorn Andersson ret = wait_for_completion_timeout(&wcnss->ack, WCNSS_CBC_TIMEOUT);
1846be2b3d0SBjorn Andersson if (!ret) {
1856be2b3d0SBjorn Andersson dev_err(wcnss->dev, "timeout waiting for version response\n");
1866be2b3d0SBjorn Andersson return -ETIMEDOUT;
1876be2b3d0SBjorn Andersson }
1886be2b3d0SBjorn Andersson
1896be2b3d0SBjorn Andersson return 0;
190ea7a1f27SBjorn Andersson }
191ea7a1f27SBjorn Andersson
192ea7a1f27SBjorn Andersson /**
193ea7a1f27SBjorn Andersson * wcnss_download_nv() - send nv binary to WCNSS
1946be2b3d0SBjorn Andersson * @wcnss: wcnss_ctrl state handle
1956be2b3d0SBjorn Andersson * @expect_cbc: indicator to caller that an cbc event is expected
1966be2b3d0SBjorn Andersson *
1976be2b3d0SBjorn Andersson * Returns 0 on success. Negative errno on failure.
198ea7a1f27SBjorn Andersson */
wcnss_download_nv(struct wcnss_ctrl * wcnss,bool * expect_cbc)1996be2b3d0SBjorn Andersson static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
200ea7a1f27SBjorn Andersson {
201ea7a1f27SBjorn Andersson struct wcnss_download_nv_req *req;
202ea7a1f27SBjorn Andersson const struct firmware *fw;
203ac3f2784SBjorn Andersson struct device *dev = wcnss->dev;
20482ec0c29SBjorn Andersson const char *nvbin = NVBIN_FILE;
205ea7a1f27SBjorn Andersson const void *data;
206ea7a1f27SBjorn Andersson ssize_t left;
207ea7a1f27SBjorn Andersson int ret;
208ea7a1f27SBjorn Andersson
209ea7a1f27SBjorn Andersson req = kzalloc(sizeof(*req) + NV_FRAGMENT_SIZE, GFP_KERNEL);
210ea7a1f27SBjorn Andersson if (!req)
2116be2b3d0SBjorn Andersson return -ENOMEM;
212ea7a1f27SBjorn Andersson
21382ec0c29SBjorn Andersson ret = of_property_read_string(dev->of_node, "firmware-name", &nvbin);
21482ec0c29SBjorn Andersson if (ret < 0 && ret != -EINVAL)
21582ec0c29SBjorn Andersson goto free_req;
21682ec0c29SBjorn Andersson
21782ec0c29SBjorn Andersson ret = request_firmware(&fw, nvbin, dev);
2186be2b3d0SBjorn Andersson if (ret < 0) {
21982ec0c29SBjorn Andersson dev_err(dev, "Failed to load nv file %s: %d\n", nvbin, ret);
220ea7a1f27SBjorn Andersson goto free_req;
221ea7a1f27SBjorn Andersson }
222ea7a1f27SBjorn Andersson
223ea7a1f27SBjorn Andersson data = fw->data;
224ea7a1f27SBjorn Andersson left = fw->size;
225ea7a1f27SBjorn Andersson
226ea7a1f27SBjorn Andersson req->hdr.type = WCNSS_DOWNLOAD_NV_REQ;
227ea7a1f27SBjorn Andersson req->hdr.len = sizeof(*req) + NV_FRAGMENT_SIZE;
228ea7a1f27SBjorn Andersson
229ea7a1f27SBjorn Andersson req->last = 0;
230ea7a1f27SBjorn Andersson req->frag_size = NV_FRAGMENT_SIZE;
231ea7a1f27SBjorn Andersson
232ea7a1f27SBjorn Andersson req->seq = 0;
233ea7a1f27SBjorn Andersson do {
234ea7a1f27SBjorn Andersson if (left <= NV_FRAGMENT_SIZE) {
235ea7a1f27SBjorn Andersson req->last = 1;
236ea7a1f27SBjorn Andersson req->frag_size = left;
237ea7a1f27SBjorn Andersson req->hdr.len = sizeof(*req) + left;
238ea7a1f27SBjorn Andersson }
239ea7a1f27SBjorn Andersson
240ea7a1f27SBjorn Andersson memcpy(req->fragment, data, req->frag_size);
241ea7a1f27SBjorn Andersson
2425052de8dSBjorn Andersson ret = rpmsg_send(wcnss->channel, req, req->hdr.len);
2436be2b3d0SBjorn Andersson if (ret < 0) {
244ac3f2784SBjorn Andersson dev_err(dev, "failed to send smd packet\n");
245ea7a1f27SBjorn Andersson goto release_fw;
246ea7a1f27SBjorn Andersson }
247ea7a1f27SBjorn Andersson
248ea7a1f27SBjorn Andersson /* Increment for next fragment */
249ea7a1f27SBjorn Andersson req->seq++;
250ea7a1f27SBjorn Andersson
25190c29ed7SBjorn Andersson data += NV_FRAGMENT_SIZE;
252ea7a1f27SBjorn Andersson left -= NV_FRAGMENT_SIZE;
253ea7a1f27SBjorn Andersson } while (left > 0);
254ea7a1f27SBjorn Andersson
255ea7a1f27SBjorn Andersson ret = wait_for_completion_timeout(&wcnss->ack, WCNSS_REQUEST_TIMEOUT);
2566be2b3d0SBjorn Andersson if (!ret) {
257ac3f2784SBjorn Andersson dev_err(dev, "timeout waiting for nv upload ack\n");
2586be2b3d0SBjorn Andersson ret = -ETIMEDOUT;
2596be2b3d0SBjorn Andersson } else {
2606be2b3d0SBjorn Andersson *expect_cbc = wcnss->ack_status == WCNSS_ACK_COLD_BOOTING;
2616be2b3d0SBjorn Andersson ret = 0;
2626be2b3d0SBjorn Andersson }
263ea7a1f27SBjorn Andersson
264ea7a1f27SBjorn Andersson release_fw:
265ea7a1f27SBjorn Andersson release_firmware(fw);
266ea7a1f27SBjorn Andersson free_req:
267ea7a1f27SBjorn Andersson kfree(req);
2686be2b3d0SBjorn Andersson
2696be2b3d0SBjorn Andersson return ret;
2706be2b3d0SBjorn Andersson }
2716be2b3d0SBjorn Andersson
2726be2b3d0SBjorn Andersson /**
2736be2b3d0SBjorn Andersson * qcom_wcnss_open_channel() - open additional SMD channel to WCNSS
2746be2b3d0SBjorn Andersson * @wcnss: wcnss handle, retrieved from drvdata
2756be2b3d0SBjorn Andersson * @name: SMD channel name
2766be2b3d0SBjorn Andersson * @cb: callback to handle incoming data on the channel
277f5c805b1SLee Jones * @priv: private data for use in the call-back
2786be2b3d0SBjorn Andersson */
qcom_wcnss_open_channel(void * wcnss,const char * name,rpmsg_rx_cb_t cb,void * priv)2795052de8dSBjorn Andersson struct rpmsg_endpoint *qcom_wcnss_open_channel(void *wcnss, const char *name, rpmsg_rx_cb_t cb, void *priv)
2806be2b3d0SBjorn Andersson {
2815052de8dSBjorn Andersson struct rpmsg_channel_info chinfo;
2826be2b3d0SBjorn Andersson struct wcnss_ctrl *_wcnss = wcnss;
2836be2b3d0SBjorn Andersson
2844c96ed17SNiklas Cassel strscpy(chinfo.name, name, sizeof(chinfo.name));
2855052de8dSBjorn Andersson chinfo.src = RPMSG_ADDR_ANY;
2865052de8dSBjorn Andersson chinfo.dst = RPMSG_ADDR_ANY;
2875052de8dSBjorn Andersson
2885052de8dSBjorn Andersson return rpmsg_create_ept(_wcnss->channel->rpdev, cb, priv, chinfo);
2896be2b3d0SBjorn Andersson }
2906be2b3d0SBjorn Andersson EXPORT_SYMBOL(qcom_wcnss_open_channel);
2916be2b3d0SBjorn Andersson
wcnss_async_probe(struct work_struct * work)2926be2b3d0SBjorn Andersson static void wcnss_async_probe(struct work_struct *work)
2936be2b3d0SBjorn Andersson {
2946be2b3d0SBjorn Andersson struct wcnss_ctrl *wcnss = container_of(work, struct wcnss_ctrl, probe_work);
2956be2b3d0SBjorn Andersson bool expect_cbc;
2966be2b3d0SBjorn Andersson int ret;
2976be2b3d0SBjorn Andersson
2986be2b3d0SBjorn Andersson ret = wcnss_request_version(wcnss);
2996be2b3d0SBjorn Andersson if (ret < 0)
3006be2b3d0SBjorn Andersson return;
3016be2b3d0SBjorn Andersson
3026be2b3d0SBjorn Andersson ret = wcnss_download_nv(wcnss, &expect_cbc);
3036be2b3d0SBjorn Andersson if (ret < 0)
3046be2b3d0SBjorn Andersson return;
3056be2b3d0SBjorn Andersson
3066be2b3d0SBjorn Andersson /* Wait for pending cold boot completion if indicated by the nv downloader */
3076be2b3d0SBjorn Andersson if (expect_cbc) {
3086be2b3d0SBjorn Andersson ret = wait_for_completion_timeout(&wcnss->cbc, WCNSS_REQUEST_TIMEOUT);
3096be2b3d0SBjorn Andersson if (!ret)
3106be2b3d0SBjorn Andersson dev_err(wcnss->dev, "expected cold boot completion\n");
3116be2b3d0SBjorn Andersson }
3126be2b3d0SBjorn Andersson
3136be2b3d0SBjorn Andersson of_platform_populate(wcnss->dev->of_node, NULL, NULL, wcnss->dev);
314ea7a1f27SBjorn Andersson }
315ea7a1f27SBjorn Andersson
wcnss_ctrl_probe(struct rpmsg_device * rpdev)3165052de8dSBjorn Andersson static int wcnss_ctrl_probe(struct rpmsg_device *rpdev)
317ea7a1f27SBjorn Andersson {
318ea7a1f27SBjorn Andersson struct wcnss_ctrl *wcnss;
319ea7a1f27SBjorn Andersson
3205052de8dSBjorn Andersson wcnss = devm_kzalloc(&rpdev->dev, sizeof(*wcnss), GFP_KERNEL);
321ea7a1f27SBjorn Andersson if (!wcnss)
322ea7a1f27SBjorn Andersson return -ENOMEM;
323ea7a1f27SBjorn Andersson
3245052de8dSBjorn Andersson wcnss->dev = &rpdev->dev;
3255052de8dSBjorn Andersson wcnss->channel = rpdev->ept;
326ea7a1f27SBjorn Andersson
327ea7a1f27SBjorn Andersson init_completion(&wcnss->ack);
3286be2b3d0SBjorn Andersson init_completion(&wcnss->cbc);
3296be2b3d0SBjorn Andersson INIT_WORK(&wcnss->probe_work, wcnss_async_probe);
330ea7a1f27SBjorn Andersson
3315052de8dSBjorn Andersson dev_set_drvdata(&rpdev->dev, wcnss);
332ea7a1f27SBjorn Andersson
3336be2b3d0SBjorn Andersson schedule_work(&wcnss->probe_work);
3346be2b3d0SBjorn Andersson
3356be2b3d0SBjorn Andersson return 0;
336ea7a1f27SBjorn Andersson }
337ea7a1f27SBjorn Andersson
wcnss_ctrl_remove(struct rpmsg_device * rpdev)3385052de8dSBjorn Andersson static void wcnss_ctrl_remove(struct rpmsg_device *rpdev)
3396be2b3d0SBjorn Andersson {
3405052de8dSBjorn Andersson struct wcnss_ctrl *wcnss = dev_get_drvdata(&rpdev->dev);
3416be2b3d0SBjorn Andersson
3426be2b3d0SBjorn Andersson cancel_work_sync(&wcnss->probe_work);
3435052de8dSBjorn Andersson of_platform_depopulate(&rpdev->dev);
3446be2b3d0SBjorn Andersson }
3456be2b3d0SBjorn Andersson
3466be2b3d0SBjorn Andersson static const struct of_device_id wcnss_ctrl_of_match[] = {
3476be2b3d0SBjorn Andersson { .compatible = "qcom,wcnss", },
348ea7a1f27SBjorn Andersson {}
349ea7a1f27SBjorn Andersson };
350b8339909SRob Clark MODULE_DEVICE_TABLE(of, wcnss_ctrl_of_match);
351ea7a1f27SBjorn Andersson
3525052de8dSBjorn Andersson static struct rpmsg_driver wcnss_ctrl_driver = {
353ea7a1f27SBjorn Andersson .probe = wcnss_ctrl_probe,
3546be2b3d0SBjorn Andersson .remove = wcnss_ctrl_remove,
355ea7a1f27SBjorn Andersson .callback = wcnss_ctrl_smd_callback,
3565052de8dSBjorn Andersson .drv = {
357ea7a1f27SBjorn Andersson .name = "qcom_wcnss_ctrl",
358ea7a1f27SBjorn Andersson .owner = THIS_MODULE,
3596be2b3d0SBjorn Andersson .of_match_table = wcnss_ctrl_of_match,
360ea7a1f27SBjorn Andersson },
361ea7a1f27SBjorn Andersson };
362ea7a1f27SBjorn Andersson
3635052de8dSBjorn Andersson module_rpmsg_driver(wcnss_ctrl_driver);
364ea7a1f27SBjorn Andersson
365ea7a1f27SBjorn Andersson MODULE_DESCRIPTION("Qualcomm WCNSS control driver");
366ea7a1f27SBjorn Andersson MODULE_LICENSE("GPL v2");
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