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-rw-r--r--drivers/soc/qcom/smem_state.c12
-rw-r--r--drivers/soc/qcom/smp2p.c7
-rw-r--r--drivers/soc/qcom/smsm.c2
-rw-r--r--drivers/soc/qcom/wcnss_ctrl.c125
4 files changed, 117 insertions, 29 deletions
diff --git a/drivers/soc/qcom/smem_state.c b/drivers/soc/qcom/smem_state.c
index 54261decb369..d5437ca76ed9 100644
--- a/drivers/soc/qcom/smem_state.c
+++ b/drivers/soc/qcom/smem_state.c
@@ -104,26 +104,26 @@ struct qcom_smem_state *qcom_smem_state_get(struct device *dev,
if (con_id) {
index = of_property_match_string(dev->of_node,
- "qcom,state-names",
+ "qcom,smem-state-names",
con_id);
if (index < 0) {
- dev_err(dev, "missing qcom,state-names\n");
+ dev_err(dev, "missing qcom,smem-state-names\n");
return ERR_PTR(index);
}
}
ret = of_parse_phandle_with_args(dev->of_node,
- "qcom,state",
- "#qcom,state-cells",
+ "qcom,smem-states",
+ "#qcom,smem-state-cells",
index,
&args);
if (ret) {
- dev_err(dev, "failed to parse qcom,state property\n");
+ dev_err(dev, "failed to parse qcom,smem-states property\n");
return ERR_PTR(ret);
}
if (args.args_count != 1) {
- dev_err(dev, "invalid #qcom,state-cells\n");
+ dev_err(dev, "invalid #qcom,smem-state-cells\n");
return ERR_PTR(-EINVAL);
}
diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c
index f1eed7f9dd67..f51fb2ea7200 100644
--- a/drivers/soc/qcom/smp2p.c
+++ b/drivers/soc/qcom/smp2p.c
@@ -196,7 +196,7 @@ static irqreturn_t qcom_smp2p_intr(int irq, void *data)
/* Match newly created entries */
for (i = smp2p->valid_entries; i < in->valid_entries; i++) {
list_for_each_entry(entry, &smp2p->inbound, node) {
- memcpy_fromio(buf, in->entries[i].name, sizeof(buf));
+ memcpy(buf, in->entries[i].name, sizeof(buf));
if (!strcmp(buf, entry->name)) {
entry->value = &in->entries[i].value;
break;
@@ -343,12 +343,13 @@ static int qcom_smp2p_outbound_entry(struct qcom_smp2p *smp2p,
/* Allocate an entry from the smem item */
strlcpy(buf, entry->name, SMP2P_MAX_ENTRY_NAME);
- memcpy_toio(out->entries[out->valid_entries].name, buf, SMP2P_MAX_ENTRY_NAME);
- out->valid_entries++;
+ memcpy(out->entries[out->valid_entries].name, buf, SMP2P_MAX_ENTRY_NAME);
/* Make the logical entry reference the physical value */
entry->value = &out->entries[out->valid_entries].value;
+ out->valid_entries++;
+
entry->state = qcom_smem_state_register(node, &smp2p_state_ops, entry);
if (IS_ERR(entry->state)) {
dev_err(smp2p->dev, "failed to register qcom_smem_state\n");
diff --git a/drivers/soc/qcom/smsm.c b/drivers/soc/qcom/smsm.c
index 6b777af1bc19..d0337b2a71c8 100644
--- a/drivers/soc/qcom/smsm.c
+++ b/drivers/soc/qcom/smsm.c
@@ -495,7 +495,7 @@ static int qcom_smsm_probe(struct platform_device *pdev)
if (!smsm->hosts)
return -ENOMEM;
- local_node = of_find_node_with_property(pdev->dev.of_node, "#qcom,state-cells");
+ local_node = of_find_node_with_property(pdev->dev.of_node, "#qcom,smem-state-cells");
if (!local_node) {
dev_err(&pdev->dev, "no state entry\n");
return -EINVAL;
diff --git a/drivers/soc/qcom/wcnss_ctrl.c b/drivers/soc/qcom/wcnss_ctrl.c
index c544f3d2c6ee..520aedd29965 100644
--- a/drivers/soc/qcom/wcnss_ctrl.c
+++ b/drivers/soc/qcom/wcnss_ctrl.c
@@ -1,4 +1,5 @@
/*
+ * Copyright (c) 2016, Linaro Ltd.
* Copyright (c) 2015, Sony Mobile Communications Inc.
*
* This program is free software; you can redistribute it and/or modify
@@ -14,8 +15,16 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/soc/qcom/smd.h>
+#include <linux/io.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/soc/qcom/wcnss_ctrl.h>
#define WCNSS_REQUEST_TIMEOUT (5 * HZ)
+#define WCNSS_CBC_TIMEOUT (10 * HZ)
+
+#define WCNSS_ACK_DONE_BOOTING 1
+#define WCNSS_ACK_COLD_BOOTING 2
#define NV_FRAGMENT_SIZE 3072
#define NVBIN_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin"
@@ -25,17 +34,19 @@
* @dev: device handle
* @channel: SMD channel handle
* @ack: completion for outstanding requests
+ * @cbc: completion for cbc complete indication
* @ack_status: status of the outstanding request
- * @download_nv_work: worker for uploading nv binary
+ * @probe_work: worker for uploading nv binary
*/
struct wcnss_ctrl {
struct device *dev;
struct qcom_smd_channel *channel;
struct completion ack;
+ struct completion cbc;
int ack_status;
- struct work_struct download_nv_work;
+ struct work_struct probe_work;
};
/* message types */
@@ -48,6 +59,11 @@ enum {
WCNSS_UPLOAD_CAL_RESP,
WCNSS_DOWNLOAD_CAL_REQ,
WCNSS_DOWNLOAD_CAL_RESP,
+ WCNSS_VBAT_LEVEL_IND,
+ WCNSS_BUILD_VERSION_REQ,
+ WCNSS_BUILD_VERSION_RESP,
+ WCNSS_PM_CONFIG_REQ,
+ WCNSS_CBC_COMPLETE_IND,
};
/**
@@ -128,7 +144,7 @@ static int wcnss_ctrl_smd_callback(struct qcom_smd_channel *channel,
version->major, version->minor,
version->version, version->revision);
- schedule_work(&wcnss->download_nv_work);
+ complete(&wcnss->ack);
break;
case WCNSS_DOWNLOAD_NV_RESP:
if (count != sizeof(*nvresp)) {
@@ -141,6 +157,10 @@ static int wcnss_ctrl_smd_callback(struct qcom_smd_channel *channel,
wcnss->ack_status = nvresp->status;
complete(&wcnss->ack);
break;
+ case WCNSS_CBC_COMPLETE_IND:
+ dev_dbg(wcnss->dev, "cold boot complete\n");
+ complete(&wcnss->cbc);
+ break;
default:
dev_info(wcnss->dev, "unknown message type %d\n", hdr->type);
break;
@@ -156,20 +176,32 @@ static int wcnss_ctrl_smd_callback(struct qcom_smd_channel *channel,
static int wcnss_request_version(struct wcnss_ctrl *wcnss)
{
struct wcnss_msg_hdr msg;
+ int ret;
msg.type = WCNSS_VERSION_REQ;
msg.len = sizeof(msg);
+ ret = qcom_smd_send(wcnss->channel, &msg, sizeof(msg));
+ if (ret < 0)
+ return ret;
+
+ ret = wait_for_completion_timeout(&wcnss->ack, WCNSS_CBC_TIMEOUT);
+ if (!ret) {
+ dev_err(wcnss->dev, "timeout waiting for version response\n");
+ return -ETIMEDOUT;
+ }
- return qcom_smd_send(wcnss->channel, &msg, sizeof(msg));
+ return 0;
}
/**
* wcnss_download_nv() - send nv binary to WCNSS
- * @work: work struct to acquire wcnss context
+ * @wcnss: wcnss_ctrl state handle
+ * @expect_cbc: indicator to caller that an cbc event is expected
+ *
+ * Returns 0 on success. Negative errno on failure.
*/
-static void wcnss_download_nv(struct work_struct *work)
+static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc)
{
- struct wcnss_ctrl *wcnss = container_of(work, struct wcnss_ctrl, download_nv_work);
struct wcnss_download_nv_req *req;
const struct firmware *fw;
const void *data;
@@ -178,10 +210,10 @@ static void wcnss_download_nv(struct work_struct *work)
req = kzalloc(sizeof(*req) + NV_FRAGMENT_SIZE, GFP_KERNEL);
if (!req)
- return;
+ return -ENOMEM;
ret = request_firmware(&fw, NVBIN_FILE, wcnss->dev);
- if (ret) {
+ if (ret < 0) {
dev_err(wcnss->dev, "Failed to load nv file %s: %d\n",
NVBIN_FILE, ret);
goto free_req;
@@ -207,7 +239,7 @@ static void wcnss_download_nv(struct work_struct *work)
memcpy(req->fragment, data, req->frag_size);
ret = qcom_smd_send(wcnss->channel, req, req->hdr.len);
- if (ret) {
+ if (ret < 0) {
dev_err(wcnss->dev, "failed to send smd packet\n");
goto release_fw;
}
@@ -220,16 +252,58 @@ static void wcnss_download_nv(struct work_struct *work)
} while (left > 0);
ret = wait_for_completion_timeout(&wcnss->ack, WCNSS_REQUEST_TIMEOUT);
- if (!ret)
+ if (!ret) {
dev_err(wcnss->dev, "timeout waiting for nv upload ack\n");
- else if (wcnss->ack_status != 1)
- dev_err(wcnss->dev, "nv upload response failed err: %d\n",
- wcnss->ack_status);
+ ret = -ETIMEDOUT;
+ } else {
+ *expect_cbc = wcnss->ack_status == WCNSS_ACK_COLD_BOOTING;
+ ret = 0;
+ }
release_fw:
release_firmware(fw);
free_req:
kfree(req);
+
+ return ret;
+}
+
+/**
+ * qcom_wcnss_open_channel() - open additional SMD channel to WCNSS
+ * @wcnss: wcnss handle, retrieved from drvdata
+ * @name: SMD channel name
+ * @cb: callback to handle incoming data on the channel
+ */
+struct qcom_smd_channel *qcom_wcnss_open_channel(void *wcnss, const char *name, qcom_smd_cb_t cb)
+{
+ struct wcnss_ctrl *_wcnss = wcnss;
+
+ return qcom_smd_open_channel(_wcnss->channel, name, cb);
+}
+EXPORT_SYMBOL(qcom_wcnss_open_channel);
+
+static void wcnss_async_probe(struct work_struct *work)
+{
+ struct wcnss_ctrl *wcnss = container_of(work, struct wcnss_ctrl, probe_work);
+ bool expect_cbc;
+ int ret;
+
+ ret = wcnss_request_version(wcnss);
+ if (ret < 0)
+ return;
+
+ ret = wcnss_download_nv(wcnss, &expect_cbc);
+ if (ret < 0)
+ return;
+
+ /* Wait for pending cold boot completion if indicated by the nv downloader */
+ if (expect_cbc) {
+ ret = wait_for_completion_timeout(&wcnss->cbc, WCNSS_REQUEST_TIMEOUT);
+ if (!ret)
+ dev_err(wcnss->dev, "expected cold boot completion\n");
+ }
+
+ of_platform_populate(wcnss->dev->of_node, NULL, NULL, wcnss->dev);
}
static int wcnss_ctrl_probe(struct qcom_smd_device *sdev)
@@ -244,25 +318,38 @@ static int wcnss_ctrl_probe(struct qcom_smd_device *sdev)
wcnss->channel = sdev->channel;
init_completion(&wcnss->ack);
- INIT_WORK(&wcnss->download_nv_work, wcnss_download_nv);
+ init_completion(&wcnss->cbc);
+ INIT_WORK(&wcnss->probe_work, wcnss_async_probe);
qcom_smd_set_drvdata(sdev->channel, wcnss);
+ dev_set_drvdata(&sdev->dev, wcnss);
+
+ schedule_work(&wcnss->probe_work);
+
+ return 0;
+}
+
+static void wcnss_ctrl_remove(struct qcom_smd_device *sdev)
+{
+ struct wcnss_ctrl *wcnss = qcom_smd_get_drvdata(sdev->channel);
- return wcnss_request_version(wcnss);
+ cancel_work_sync(&wcnss->probe_work);
+ of_platform_depopulate(&sdev->dev);
}
-static const struct qcom_smd_id wcnss_ctrl_smd_match[] = {
- { .name = "WCNSS_CTRL" },
+static const struct of_device_id wcnss_ctrl_of_match[] = {
+ { .compatible = "qcom,wcnss", },
{}
};
static struct qcom_smd_driver wcnss_ctrl_driver = {
.probe = wcnss_ctrl_probe,
+ .remove = wcnss_ctrl_remove,
.callback = wcnss_ctrl_smd_callback,
- .smd_match_table = wcnss_ctrl_smd_match,
.driver = {
.name = "qcom_wcnss_ctrl",
.owner = THIS_MODULE,
+ .of_match_table = wcnss_ctrl_of_match,
},
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 12:24:52 +0000