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Commit 8ec5eb5b authored by Michael Adisumarta's avatar Michael Adisumarta
Browse files

msm: ipa: mhi prime channels support for IPA4.5 APQ 



This change enables MHI PRIME channels for IPA tethering
offload support.

Change-Id: Ibacda71a3d0dfb2a19d22bf1615f554d90ddd114
Acked-by: default avatarJyothi J <jyothij@qti.qualcomm.com>
Signed-off-by: default avatarMichael Adisumarta <madisuma@codeaurora.org>
parent d7e57282

drivers/platform/msm/ipa/ipa_api.c

+5 −0
Original line number Diff line number Diff line
@@ -201,6 +201,11 @@ const char *ipa_clients_strings[IPA_CLIENT_MAX] = { 
	__stringify(IPA_CLIENT_WIGIG4_CONS),

	__stringify(RESERVERD_PROD_94),

	__stringify(IPA_CLIENT_APPS_WAN_COAL_CONS),

	__stringify(IPA_CLIENT_MHI_PRIME_RMNET_PROD),

	__stringify(IPA_CLIENT_MHI_PRIME_RMNET_CONS),

	__stringify(IPA_CLIENT_MHI_PRIME_TETH_PROD),

	__stringify(IPA_CLIENT_MHI_PRIME_TETH_CONS),

	__stringify(IPA_CLIENT_MHI_PRIME_DPL_PROD),

};



/**

drivers/platform/msm/ipa/ipa_clients/ipa_usb.c

+34 −2
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

 */



#include <linux/mutex.h>
@@ -1910,6 +1910,15 @@ static int ipa3_usb_xdci_connect_internal( 
		goto connect_dl_fail;

	}



	/* MHIP pipe enablement */

	if (ipa3_is_mhip_offload_enabled()) {

		result = ipa_mpm_mhip_xdci_pipe_enable(params->teth_prot);

		if (result) {

			IPA_USB_ERR("failed to connect MHIP channel\n");

			goto connect_dl_fail;

		}

	}



	/* Connect tethering protocol */

	result = ipa3_usb_connect_teth_prot(params->teth_prot);

	if (result) {
@@ -2403,6 +2412,14 @@ int ipa_usb_xdci_disconnect(u32 ul_clnt_hdl, u32 dl_clnt_hdl, 
		if (orig_state != IPA_USB_SUSPENDED) {

			spin_unlock_irqrestore(&ipa3_usb_ctx->state_lock,

				flags);

			/* Stop UL MHIP channel */

			if (ipa3_is_mhip_offload_enabled()) {

				result = ipa_mpm_mhip_ul_data_stop(teth_prot);

				if (result) {

					IPA_USB_ERR("fail UL MHIPData stop\n");

					goto bad_params;

				}

			}

			/* Stop UL channel */

			result = ipa3_xdci_disconnect(ul_clnt_hdl,

				true,
@@ -2422,6 +2439,14 @@ int ipa_usb_xdci_disconnect(u32 ul_clnt_hdl, u32 dl_clnt_hdl, 
			teth_prot);

	if (result)

		goto bad_params;

	/* Stop UL/DL MHIP channels */

	if (ipa3_is_mhip_offload_enabled()) {

		result = ipa_mpm_mhip_xdci_pipe_disable(teth_prot);

		if (result) {

			IPA_USB_ERR("failed to disconnect MHIP channel\n");

			goto bad_params;

		}

	}



	/* Disconnect tethering protocol */

	result = ipa3_usb_disconnect_teth_prot(teth_prot);
@@ -2732,7 +2757,14 @@ int ipa_usb_xdci_suspend(u32 ul_clnt_hdl, u32 dl_clnt_hdl, 
			&ipa3_usb_notify_remote_wakeup_work);

	}

	spin_unlock_irqrestore(&ipa3_usb_ctx->state_lock, flags);



	/* Stop MHIP channel */

	if (ipa3_is_mhip_offload_enabled()) {

		result = ipa_mpm_mhip_xdci_pipe_disable(teth_prot);

		if (result) {

			IPA_USB_ERR("failed to disconnect MHIP channel\n");

			goto release_prod_fail;

		}

	}

	IPA_USB_DBG_LOW("exit\n");

	mutex_unlock(&ipa3_usb_ctx->general_mutex);

	return 0;

drivers/platform/msm/ipa/ipa_v3/ipa_client.c

+2 −2
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 */



#include <asm/barrier.h>
@@ -1015,7 +1015,7 @@ int ipa3_xdci_start(u32 clnt_hdl, u8 xferrscidx, bool xferrscidx_valid) 
	return result;

}



static int ipa3_get_gsi_chan_info(struct gsi_chan_info *gsi_chan_info,

int ipa3_get_gsi_chan_info(struct gsi_chan_info *gsi_chan_info,

	unsigned long chan_hdl)

{

	enum gsi_status gsi_res;

drivers/platform/msm/ipa/ipa_v3/ipa_i.h

+44 −2
Original line number Diff line number Diff line
@@ -2735,4 +2735,46 @@ static inline int ipa_reg_save_init(u32 value) { return 0; } 
static inline void ipa_save_registers(void) {};

static inline void ipa_save_gsi_ver(void) {};

#endif



#ifdef CONFIG_IPA_ETH

int ipa_eth_init(void);

void ipa_eth_exit(void);

#else

static inline int ipa_eth_init(void) { return 0; }

static inline void ipa_eth_exit(void) { }

#endif // CONFIG_IPA_ETH

int ipa3_get_gsi_chan_info(struct gsi_chan_info *gsi_chan_info,

	unsigned long chan_hdl);

#ifdef CONFIG_IPA3_MHI_PRIME_MANAGER

int ipa_mpm_mhip_xdci_pipe_enable(enum ipa_usb_teth_prot prot);

int ipa_mpm_mhip_xdci_pipe_disable(enum ipa_usb_teth_prot xdci_teth_prot);

int ipa_mpm_notify_wan_state(void);

int ipa_mpm_mhip_ul_data_stop(enum ipa_usb_teth_prot xdci_teth_prot);

int ipa3_is_mhip_offload_enabled(void);

#else

static inline int ipa_mpm_mhip_xdci_pipe_enable(

	enum ipa_usb_teth_prot prot)

{

	return 0;

}

static inline int ipa_mpm_mhip_xdci_pipe_disable(

	enum ipa_usb_teth_prot xdci_teth_prot)

{

	return 0;

}

static inline int ipa_mpm_notify_wan_state(void)

{

	return 0;

}

static inline int ipa_mpm_mhip_ul_data_stop(

	enum ipa_usb_teth_prot xdci_teth_prot)

{

	return 0;

}

static inline int ipa3_is_mhip_offload_enabled(void)

{

	return 0;

}

#endif /* CONFIG_IPA3_MHI_PRIME_MANAGER */



#endif /* _IPA3_I_H_ */

drivers/platform/msm/ipa/ipa_v3/ipa_mpm.c

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