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wil6210: temperature measurement

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Firmware got support for temperature measurement.
There are 2 temperature sensors: MAC and radio

"not available" temperature - reported by FW as 0 or ~0

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vladimir Kondratiev 2013-03-13 14:12:51 +02:00 committed by John W. Linville
parent b80231773a
commit 1a2780e0f3
3 changed files with 70 additions and 0 deletions
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44
drivers/net/wireless/ath/wil6210/debugfs.c
View file

@ -521,6 +521,49 @@ static const struct file_operations fops_ssid = {
.open = simple_open,
};
/*---------temp------------*/
static void print_temp(struct seq_file *s, const char *prefix, u32 t)
{
switch (t) {
case 0:
case ~(u32)0:
seq_printf(s, "%s N/A\n", prefix);
break;
default:
seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
break;
}
}
static int wil_temp_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
u32 t_m, t_r;
int rc = wmi_get_temperature(wil, &t_m, &t_r);
if (rc) {
seq_printf(s, "Failed\n");
return 0;
}
print_temp(s, "MAC temperature :", t_m);
print_temp(s, "Radio temperature :", t_r);
return 0;
}
static int wil_temp_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_temp_debugfs_show, inode->i_private);
}
static const struct file_operations fops_temp = {
.open = wil_temp_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*----------------*/
int wil6210_debugfs_init(struct wil6210_priv *wil)
{
@ -555,6 +598,7 @@ int wil6210_debugfs_init(struct wil6210_priv *wil)
debugfs_create_file("mem_val", S_IRUGO, dbg, wil, &fops_memread);
debugfs_create_file("reset", S_IWUSR, dbg, wil, &fops_reset);
debugfs_create_file("temp", S_IRUGO, dbg, wil, &fops_temp);
wil->rgf_blob.data = (void * __force)wil->csr + 0;
wil->rgf_blob.size = 0xa000;

1
drivers/net/wireless/ath/wil6210/wil6210.h
View file

@ -329,6 +329,7 @@ int wmi_echo(struct wil6210_priv *wil);
int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie);
int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring);
int wmi_p2p_cfg(struct wil6210_priv *wil, int channel);
int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r);
int wil6210_init_irq(struct wil6210_priv *wil, int irq);
void wil6210_fini_irq(struct wil6210_priv *wil, int irq);

25
drivers/net/wireless/ath/wil6210/wmi.c
View file

@ -962,6 +962,31 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
return rc;
}
int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r)
{
int rc;
struct wmi_temp_sense_cmd cmd = {
.measure_marlon_m_en = cpu_to_le32(!!t_m),
.measure_marlon_r_en = cpu_to_le32(!!t_r),
};
struct {
struct wil6210_mbox_hdr_wmi wmi;
struct wmi_temp_sense_done_event evt;
} __packed reply;
rc = wmi_call(wil, WMI_TEMP_SENSE_CMDID, &cmd, sizeof(cmd),
WMI_TEMP_SENSE_DONE_EVENTID, &reply, sizeof(reply), 100);
if (rc)
return rc;
if (t_m)
*t_m = le32_to_cpu(reply.evt.marlon_m_t1000);
if (t_r)
*t_r = le32_to_cpu(reply.evt.marlon_r_t1000);
return 0;
}
void wmi_event_flush(struct wil6210_priv *wil)
{
struct pending_wmi_event *evt, *t;