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Commit 1a2780e0 authored by Vladimir Kondratiev's avatar Vladimir Kondratiev Committed by John W. Linville
Browse files

wil6210: temperature measurement 



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: default avatarVladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b8023177

drivers/net/wireless/ath/wil6210/debugfs.c

+44 −0
Original line number Diff line number Diff line
@@ -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;

drivers/net/wireless/ath/wil6210/wil6210.h

+1 −0
Original line number Diff line number Diff line
@@ -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);

drivers/net/wireless/ath/wil6210/wmi.c

+25 −0
Original line number Diff line number Diff line
@@ -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;