wl1271: Add extended radio parameter initialization

Currently a command to initialize extended radio parameter tables in the
hardware is missing.

Add the initialization
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>

drivers/net/wireless/wl12xx/wl1271_cmd.c

@@ -171,6 +171,39 @@ int wl1271_cmd_radio_parms(struct wl1271 *wl)
 	return ret;
 }
 
+int wl1271_cmd_ext_radio_parms(struct wl1271 *wl)
+{
+	struct wl1271_ext_radio_parms_cmd *ext_radio_parms;
+	struct conf_rf_settings *rf = &wl->conf.rf;
+	int ret;
+
+	if (!wl->nvs)
+		return -ENODEV;
+
+	ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL);
+	if (!ext_radio_parms)
+		return -ENOMEM;
+
+	ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM;
+
+	memcpy(ext_radio_parms->tx_per_channel_power_compensation_2,
+	       rf->tx_per_channel_power_compensation_2,
+	       CONF_TX_PWR_COMPENSATION_LEN_2);
+	memcpy(ext_radio_parms->tx_per_channel_power_compensation_5,
+	       rf->tx_per_channel_power_compensation_5,
+	       CONF_TX_PWR_COMPENSATION_LEN_5);
+
+	wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ",
+		    ext_radio_parms, sizeof(*ext_radio_parms));
+
+	ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0);
+	if (ret < 0)
+		wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed");
+
+	kfree(ext_radio_parms);
+	return ret;
+}
+
 /*
  * Poll the mailbox event field until any of the bits in the mask is set or a
  * timeout occurs (WL1271_EVENT_TIMEOUT in msecs)

drivers/net/wireless/wl12xx/wl1271_cmd.h

@@ -33,6 +33,7 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
 		    size_t res_len);
 int wl1271_cmd_general_parms(struct wl1271 *wl);
 int wl1271_cmd_radio_parms(struct wl1271 *wl);
+int wl1271_cmd_ext_radio_parms(struct wl1271 *wl);
 int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type);
 int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer);
 int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len);
@@ -331,6 +332,7 @@ enum wl1271_channel_tune_bands {
 #define TEST_CMD_UPDATE_PD_REFERENCE_POINT  0x1d
 #define TEST_CMD_INI_FILE_RADIO_PARAM       0x19
 #define TEST_CMD_INI_FILE_GENERAL_PARAM     0x1E
+#define TEST_CMD_INI_FILE_RF_EXTENDED_PARAM 0x26
 
 struct wl1271_general_parms_cmd {
 	struct wl1271_cmd_header header;
@@ -363,6 +365,16 @@ struct wl1271_radio_parms_cmd {
 	u8 padding3[2];
 } __packed;
 
+struct wl1271_ext_radio_parms_cmd {
+	struct wl1271_cmd_header header;
+
+	struct wl1271_cmd_test_header test;
+
+	u8 tx_per_channel_power_compensation_2[CONF_TX_PWR_COMPENSATION_LEN_2];
+	u8 tx_per_channel_power_compensation_5[CONF_TX_PWR_COMPENSATION_LEN_5];
+	u8 padding[3];
+} __packed;
+
 struct wl1271_cmd_cal_channel_tune {
 	struct wl1271_cmd_header header;
 

drivers/net/wireless/wl12xx/wl1271_conf.h

@@ -1070,6 +1070,26 @@ struct conf_scan_settings {
 
 };
 
+/* these are number of channels on the band divided by two, rounded up */
+#define CONF_TX_PWR_COMPENSATION_LEN_2 7
+#define CONF_TX_PWR_COMPENSATION_LEN_5 18
+
+struct conf_rf_settings {
+	/*
+	 * Per channel power compensation for 2.4GHz
+	 *
+	 * Range: s8
+	 */
+	u8 tx_per_channel_power_compensation_2[CONF_TX_PWR_COMPENSATION_LEN_2];
+
+	/*
+	 * Per channel power compensation for 5GHz
+	 *
+	 * Range: s8
+	 */
+	u8 tx_per_channel_power_compensation_5[CONF_TX_PWR_COMPENSATION_LEN_5];
+};
+
 struct conf_drv_settings {
 	struct conf_sg_settings sg;
 	struct conf_rx_settings rx;
@@ -1079,6 +1099,7 @@ struct conf_drv_settings {
 	struct conf_pm_config_settings pm_config;
 	struct conf_roam_trigger_settings roam_trigger;
 	struct conf_scan_settings scan;
+	struct conf_rf_settings rf;
 };
 
 #endif

drivers/net/wireless/wl12xx/wl1271_init.c

@@ -222,6 +222,10 @@ int wl1271_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
+	ret = wl1271_cmd_ext_radio_parms(wl);
+	if (ret < 0)
+		return ret;
+
 	/* Template settings */
 	ret = wl1271_init_templates_config(wl);
 	if (ret < 0)

drivers/net/wireless/wl12xx/wl1271_main.c

@@ -242,6 +242,16 @@ static struct conf_drv_settings default_conf = {
 		.max_dwell_time_passive       = 60000,
 		.num_probe_reqs               = 2,
 	},
+	.rf = {
+		.tx_per_channel_power_compensation_2 = {
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		},
+		.tx_per_channel_power_compensation_5 = {
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		},
+	},
 };
 
 static void __wl1271_op_remove_interface(struct wl1271 *wl);
@@ -357,6 +367,10 @@ static int wl1271_plt_init(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
+	ret = wl1271_cmd_ext_radio_parms(wl);
+	if (ret < 0)
+		return ret;
+
 	ret = wl1271_init_templates_config(wl);
 	if (ret < 0)
 		return ret;