1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
33  * This implements some very basic bluetooth coexistence methods for
34  * the ath(4) hardware.
77  * Initial AR9285 / (WB195) bluetooth coexistence settings,
83  * bluetooth coexistence is enabled.
90 	struct ath_hal *ah = sc->sc_ah;  in ath_btcoex_cfg_wb195()
98 	device_printf(sc->sc_dev, "Enabling WB195 BTCOEX\n");  in ath_btcoex_cfg_wb195()
136  * Initial AR9485 / (WB225) bluetooth coexistence settings,
146 	struct ath_hal *ah = sc->sc_ah;  in ath_btcoex_cfg_wb225()
154 	device_printf(sc->sc_dev, "Enabling WB225 BTCOEX\n");  in ath_btcoex_cfg_wb225()
162 	btinfo.bt_gpio_bt_active = 4;  in ath_btcoex_cfg_wb225()
197 	struct ath_hal *ah = sc->sc_ah;  in ath_btcoex_cfg_mci()
205 	sc->sc_ah->ah_config.ath_hal_mci_config = mci_cfg;  in ath_btcoex_cfg_mci()
208 		device_printf(sc->sc_dev, "Failed to setup btcoex\n");  in ath_btcoex_cfg_mci()
217 	 * to the bluetooth module - it's a command based  in ath_btcoex_cfg_mci()
225 	btinfo.bt_gpio_bt_active = 4;  in ath_btcoex_cfg_mci()
248 	ath_hal_btcoex_enable(sc->sc_ah);  in ath_btcoex_cfg_mci()
263  * Initial AR9462 / (WB222) bluetooth coexistence settings.
271 	device_printf(sc->sc_dev, "Enabling WB222 BTCOEX\n");  in ath_btcoex_cfg_wb222()
277  * Initial QCA9565 / (WB335B) bluetooth coexistence settings.
290 	/* 1-ant and 2-ant AR9565 */  in ath_btcoex_cfg_wb335b()
295 	if (sc->sc_pci_devinfo & ATH_PCI_AR9565_1ANT) {  in ath_btcoex_cfg_wb335b()
299 	} else if (sc->sc_pci_devinfo & ATH_PCI_AR9565_2ANT) {  in ath_btcoex_cfg_wb335b()
305 	if (sc->sc_pci_devinfo & ATH_PCI_BT_ANT_DIV) {  in ath_btcoex_cfg_wb335b()
309 	device_printf(sc->sc_dev, "Enabling WB335 BTCOEX\n");  in ath_btcoex_cfg_wb335b()
316  * When using bluetooth coexistence, ASPM needs to be disabled
344 	struct ath_hal *ah = sc->sc_ah;  in ath_btcoex_attach()
348 	 * No chipset bluetooth coexistence? Then do nothing.  in ath_btcoex_attach()
357 	ret = resource_string_value(device_get_name(sc->sc_dev),  in ath_btcoex_attach()
358 	    device_get_unit(sc->sc_dev),  in ath_btcoex_attach()
393 	if (sc->sc_btcoex_mci) {  in ath_btcoex_detach()
401  * Configure or disable bluetooth coexistence on the given channel.
403  * For AR9285/AR9287/AR9485, we'll never see a 5GHz channel, so we just
404  * assume bluetooth coexistence is always on.
406  * For AR9462, we may see a 5GHz channel; bluetooth coexistence should
412 	if (sc->sc_btcoex_mci) {  in ath_btcoex_enable()
429 	unsigned int id = ad->ad_id & ATH_DIAG_ID;  in ath_btcoex_ioctl()
432 	u_int32_t insize = ad->ad_in_size;  in ath_btcoex_ioctl()
433 	u_int32_t outsize = ad->ad_out_size;  in ath_btcoex_ioctl()
437 	if (ad->ad_id & ATH_DIAG_IN) {  in ath_btcoex_ioctl()
446 		error = copyin(ad->ad_in_data, indata, insize);  in ath_btcoex_ioctl()
450 	if (ad->ad_id & ATH_DIAG_DYN) {  in ath_btcoex_ioctl()
469 	if (outsize < ad->ad_out_size)  in ath_btcoex_ioctl()
470 		ad->ad_out_size = outsize;  in ath_btcoex_ioctl()
471 	if (outdata && copyout(outdata, ad->ad_out_data, ad->ad_out_size))  in ath_btcoex_ioctl()
474 	if ((ad->ad_id & ATH_DIAG_IN) && indata != NULL)  in ath_btcoex_ioctl()
476 	if ((ad->ad_id & ATH_DIAG_DYN) && outdata != NULL)  in ath_btcoex_ioctl()