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Commit 57ca3ba3 authored by Mohammed Javid's avatar Mohammed Javid Committed by Akshay Pandit
Browse files

msm: ipa: Add support in ipa-mhi driver for cv2x 



Only one pair of MHI ep's are supported till now.
With respect to auto-pcie use case requirement
we need to support one more MHI ep pair for cv2x.
Modify ipa-mhi driver to support additional mhi ep pair.

Change-Id: I301dc7c46c6bfcc995db5a6a56c677481588d20b
Signed-off-by: default avatarMohammed Javid <mjavid@codeaurora.org>
parent dbe84031

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

+2 −2
Original line number Diff line number Diff line
@@ -63,8 +63,8 @@ 
#define IPA_MHI_SUSPEND_SLEEP_MIN 900

#define IPA_MHI_SUSPEND_SLEEP_MAX 1100



#define IPA_MHI_MAX_UL_CHANNELS 1

#define IPA_MHI_MAX_DL_CHANNELS 2

#define IPA_MHI_MAX_UL_CHANNELS 2

#define IPA_MHI_MAX_DL_CHANNELS 3



/* bit #40 in address should be asserted for MHI transfers over pcie */

#define IPA_MHI_CLIENT_HOST_ADDR_COND(addr) \

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

+15 −4
Original line number Diff line number Diff line
@@ -3802,9 +3802,14 @@ void ipa3_q6_pre_shutdown_cleanup(void) 
	if (!ipa3_ctx->ipa_endp_delay_wa)

		ipa3_q6_pipe_delay(true);

	ipa3_q6_avoid_holb();

	if (ipa3_ctx->ipa_config_is_mhi)

	if (ipa3_ctx->ipa_config_is_mhi) {

		ipa3_set_reset_client_cons_pipe_sus_holb(true,

		IPA_CLIENT_MHI_CONS);

		if (ipa3_ctx->ipa_config_is_auto)

			ipa3_set_reset_client_cons_pipe_sus_holb(true,

				IPA_CLIENT_MHI2_CONS);

	}



	if (ipa3_q6_clean_q6_tables()) {

		IPAERR("Failed to clean Q6 tables\n");

		/*
@@ -3914,9 +3919,15 @@ void ipa3_q6_pre_powerup_cleanup(void) 


	IPA_ACTIVE_CLIENTS_INC_SIMPLE();



	if (ipa3_ctx->ipa_config_is_mhi)

	if (ipa3_ctx->ipa_config_is_mhi) {

		if (!ipa3_ctx->ipa_endp_delay_wa) {

			ipa3_set_reset_client_prod_pipe_delay(true,

				IPA_CLIENT_MHI_PROD);

			if (ipa3_ctx->ipa_config_is_auto)

				ipa3_set_reset_client_prod_pipe_delay(true,

					IPA_CLIENT_MHI2_PROD);

		}

	}



	IPA_ACTIVE_CLIENTS_DEC_SIMPLE();

	IPADBG_LOW("Exit with success\n");

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

+11 −1
Original line number Diff line number Diff line
@@ -388,6 +388,7 @@ int ipa3_mhi_init_engine(struct ipa_mhi_init_engine *params) 
	int res;

	struct gsi_device_scratch gsi_scratch;

	const struct ipa_gsi_ep_config *gsi_ep_info;

	u32 ipa_mhi_max_ul_channels, ipa_mhi_max_dl_channels;



	IPA_MHI_FUNC_ENTRY();
@@ -396,7 +397,16 @@ int ipa3_mhi_init_engine(struct ipa_mhi_init_engine *params) 
		return -EINVAL;

	}



	if ((IPA_MHI_MAX_UL_CHANNELS + IPA_MHI_MAX_DL_CHANNELS) >

	ipa_mhi_max_ul_channels = IPA_MHI_MAX_UL_CHANNELS;

	ipa_mhi_max_dl_channels = IPA_MHI_MAX_DL_CHANNELS;



	/* In case of Auto-pcie config, MHI2_PROD and MHI2_CONS is used */

	if (ipa3_ctx->ipa_config_is_auto == true) {

		ipa_mhi_max_ul_channels++;

		ipa_mhi_max_dl_channels++;

	}



	if ((ipa_mhi_max_ul_channels + ipa_mhi_max_dl_channels) >

		((ipa3_ctx->mhi_evid_limits[1] -

		ipa3_ctx->mhi_evid_limits[0]) + 1)) {

		IPAERR("Not enough event rings for MHI\n");

include/uapi/linux/msm_ipa.h

+2 −4
Original line number Diff line number Diff line
@@ -506,13 +506,11 @@ enum ipa_client_type { 
	((client) == IPA_CLIENT_MEMCPY_DMA_SYNC_PROD || \

	(client) == IPA_CLIENT_MEMCPY_DMA_ASYNC_PROD)



#define IPA_CLIENT_IS_MHI_CONS(client) \

	((client) == IPA_CLIENT_MHI_CONS || \

	(client) == IPA_CLIENT_MHI_DPL_CONS)



#define IPA_CLIENT_IS_MHI(client) \

	((client) == IPA_CLIENT_MHI_CONS || \

	(client) == IPA_CLIENT_MHI_PROD || \

	(client) == IPA_CLIENT_MHI2_PROD || \

	(client) == IPA_CLIENT_MHI2_CONS || \

	(client) == IPA_CLIENT_MHI_DPL_CONS)



#define IPA_CLIENT_IS_TEST_PROD(client) \