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path: root/drivers/bluetooth/btmrvl_main.c
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Diffstat (limited to 'drivers/bluetooth/btmrvl_main.c')
-rw-r--r--drivers/bluetooth/btmrvl_main.c130
1 files changed, 31 insertions, 99 deletions
diff --git a/drivers/bluetooth/btmrvl_main.c b/drivers/bluetooth/btmrvl_main.c
index 5cf31c4fe6d1..1e0320af00c6 100644
--- a/drivers/bluetooth/btmrvl_main.c
+++ b/drivers/bluetooth/btmrvl_main.c
@@ -19,7 +19,7 @@
**/
#include <linux/module.h>
-
+#include <linux/of.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -50,12 +50,10 @@ bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb)
if (hdr->evt == HCI_EV_CMD_COMPLETE) {
struct hci_ev_cmd_complete *ec;
- u16 opcode, ocf, ogf;
+ u16 opcode;
ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
opcode = __le16_to_cpu(ec->opcode);
- ocf = hci_opcode_ocf(opcode);
- ogf = hci_opcode_ogf(opcode);
if (priv->btmrvl_dev.sendcmdflag) {
priv->btmrvl_dev.sendcmdflag = false;
@@ -63,9 +61,8 @@ bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb)
wake_up_interruptible(&priv->adapter->cmd_wait_q);
}
- if (ogf == OGF) {
- BT_DBG("vendor event skipped: ogf 0x%4.4x ocf 0x%4.4x",
- ogf, ocf);
+ if (hci_opcode_ogf(opcode) == 0x3F) {
+ BT_DBG("vendor event skipped: opcode=%#4.4x", opcode);
kfree_skb(skb);
return false;
}
@@ -89,7 +86,7 @@ int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
}
switch (event->data[0]) {
- case BT_CMD_AUTO_SLEEP_MODE:
+ case BT_EVENT_AUTO_SLEEP_MODE:
if (!event->data[2]) {
if (event->data[1] == BT_PS_ENABLE)
adapter->psmode = 1;
@@ -102,7 +99,7 @@ int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
}
break;
- case BT_CMD_HOST_SLEEP_CONFIG:
+ case BT_EVENT_HOST_SLEEP_CONFIG:
if (!event->data[3])
BT_DBG("gpio=%x, gap=%x", event->data[1],
event->data[2]);
@@ -110,7 +107,7 @@ int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
BT_DBG("HSCFG command failed");
break;
- case BT_CMD_HOST_SLEEP_ENABLE:
+ case BT_EVENT_HOST_SLEEP_ENABLE:
if (!event->data[1]) {
adapter->hs_state = HS_ACTIVATED;
if (adapter->psmode)
@@ -121,7 +118,7 @@ int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb)
}
break;
- case BT_CMD_MODULE_CFG_REQ:
+ case BT_EVENT_MODULE_CFG_REQ:
if (priv->btmrvl_dev.sendcmdflag &&
event->data[1] == MODULE_BRINGUP_REQ) {
BT_DBG("EVENT:%s",
@@ -166,7 +163,7 @@ exit:
}
EXPORT_SYMBOL_GPL(btmrvl_process_event);
-static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 cmd_no,
+static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 opcode,
const void *param, u8 len)
{
struct sk_buff *skb;
@@ -179,7 +176,7 @@ static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 cmd_no,
}
hdr = (struct hci_command_hdr *)skb_put(skb, HCI_COMMAND_HDR_SIZE);
- hdr->opcode = cpu_to_le16(hci_opcode_pack(OGF, cmd_no));
+ hdr->opcode = cpu_to_le16(opcode);
hdr->plen = len;
if (len)
@@ -417,127 +414,62 @@ static int btmrvl_open(struct hci_dev *hdev)
return 0;
}
-/*
- * This function parses provided calibration data input. It should contain
- * hex bytes separated by space or new line character. Here is an example.
- * 00 1C 01 37 FF FF FF FF 02 04 7F 01
- * CE BA 00 00 00 2D C6 C0 00 00 00 00
- * 00 F0 00 00
- */
-static int btmrvl_parse_cal_cfg(const u8 *src, u32 len, u8 *dst, u32 dst_size)
+static int btmrvl_download_cal_data(struct btmrvl_private *priv,
+ u8 *data, int len)
{
- const u8 *s = src;
- u8 *d = dst;
int ret;
- u8 tmp[3];
-
- tmp[2] = '\0';
- while ((s - src) <= len - 2) {
- if (isspace(*s)) {
- s++;
- continue;
- }
-
- if (isxdigit(*s)) {
- if ((d - dst) >= dst_size) {
- BT_ERR("calibration data file too big!!!");
- return -EINVAL;
- }
-
- memcpy(tmp, s, 2);
-
- ret = kstrtou8(tmp, 16, d++);
- if (ret < 0)
- return ret;
-
- s += 2;
- } else {
- return -EINVAL;
- }
- }
- if (d == dst)
- return -EINVAL;
-
- return 0;
-}
-
-static int btmrvl_load_cal_data(struct btmrvl_private *priv,
- u8 *config_data)
-{
- int i, ret;
- u8 data[BT_CMD_DATA_SIZE];
data[0] = 0x00;
data[1] = 0x00;
data[2] = 0x00;
- data[3] = BT_CMD_DATA_SIZE - 4;
-
- /* Swap cal-data bytes. Each four bytes are swapped. Considering 4
- * byte SDIO header offset, mapping of input and output bytes will be
- * {3, 2, 1, 0} -> {0+4, 1+4, 2+4, 3+4},
- * {7, 6, 5, 4} -> {4+4, 5+4, 6+4, 7+4} */
- for (i = 4; i < BT_CMD_DATA_SIZE; i++)
- data[i] = config_data[(i / 4) * 8 - 1 - i];
+ data[3] = len;
print_hex_dump_bytes("Calibration data: ",
- DUMP_PREFIX_OFFSET, data, BT_CMD_DATA_SIZE);
+ DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len);
ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data,
- BT_CMD_DATA_SIZE);
+ BT_CAL_HDR_LEN + len);
if (ret)
BT_ERR("Failed to download caibration data\n");
return 0;
}
-static int
-btmrvl_process_cal_cfg(struct btmrvl_private *priv, u8 *data, u32 size)
+static int btmrvl_cal_data_dt(struct btmrvl_private *priv)
{
- u8 cal_data[BT_CAL_DATA_SIZE];
+ struct device_node *dt_node;
+ u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE];
+ const char name[] = "btmrvl_caldata";
+ const char property[] = "btmrvl,caldata";
int ret;
- ret = btmrvl_parse_cal_cfg(data, size, cal_data, sizeof(cal_data));
+ dt_node = of_find_node_by_name(NULL, name);
+ if (!dt_node)
+ return -ENODEV;
+
+ ret = of_property_read_u8_array(dt_node, property,
+ cal_data + BT_CAL_HDR_LEN,
+ BT_CAL_DATA_SIZE);
if (ret)
return ret;
- ret = btmrvl_load_cal_data(priv, cal_data);
+ BT_DBG("Use cal data from device tree");
+ ret = btmrvl_download_cal_data(priv, cal_data, BT_CAL_DATA_SIZE);
if (ret) {
- BT_ERR("Fail to load calibrate data");
+ BT_ERR("Fail to download calibrate data");
return ret;
}
return 0;
}
-static int btmrvl_cal_data_config(struct btmrvl_private *priv)
-{
- const struct firmware *cfg;
- int ret;
- const char *cal_data = priv->btmrvl_dev.cal_data;
-
- if (!cal_data)
- return 0;
-
- ret = request_firmware(&cfg, cal_data, priv->btmrvl_dev.dev);
- if (ret < 0) {
- BT_DBG("Failed to get %s file, skipping cal data download",
- cal_data);
- return 0;
- }
-
- ret = btmrvl_process_cal_cfg(priv, (u8 *)cfg->data, cfg->size);
- release_firmware(cfg);
- return ret;
-}
-
static int btmrvl_setup(struct hci_dev *hdev)
{
struct btmrvl_private *priv = hci_get_drvdata(hdev);
btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);
- if (btmrvl_cal_data_config(priv))
- BT_ERR("Set cal data failed");
+ btmrvl_cal_data_dt(priv);
priv->btmrvl_dev.psmode = 1;
btmrvl_enable_ps(priv);
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