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Commit cc4bc43f authored by Ashok Vuyyuru's avatar Ashok Vuyyuru Committed by Praveen Kurapati
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msm: ipa4: support coalescing pipe suspend 



Add changes to support coalescing pipe suspend.

Change-Id: I403db535b88da917d43ac52f26ea3fff9b617be5
Signed-off-by: default avatarPraveen Kurapati <pkurapat@codeaurora.org>
Signed-off-by: default avatarAshok Vuyyuru <avuyyuru@codeaurora.org>
Signed-off-by: default avatarMichael Adisumarta <madisuma@codeaurora.org>
parent dc1050aa

drivers/platform/msm/gsi/gsi.c

+3 −3
Original line number Diff line number Diff line
@@ -3703,7 +3703,7 @@ int gsi_config_channel_mode(unsigned long chan_hdl, enum gsi_chan_mode mode) 
		curr = GSI_CHAN_MODE_CALLBACK;



	if (mode == curr) {

		GSIERR("already in requested mode %u chan_hdl=%lu\n",

		GSIDBG("already in requested mode %u chan_hdl=%lu\n",

				curr, chan_hdl);

		return -GSI_STATUS_UNSUPPORTED_OP;

	}
@@ -3714,7 +3714,7 @@ int gsi_config_channel_mode(unsigned long chan_hdl, enum gsi_chan_mode mode) 
		gsi_writel(1 << ctx->evtr->id, gsi_ctx->base +

			GSI_EE_n_CNTXT_SRC_IEOB_IRQ_CLR_OFFS(gsi_ctx->per.ee));

		atomic_set(&ctx->poll_mode, mode);

		if (ctx->props.prot == GSI_CHAN_PROT_GCI)

		if ((ctx->props.prot == GSI_CHAN_PROT_GCI) && ctx->evtr->chan)

			atomic_set(&ctx->evtr->chan->poll_mode, mode);

		GSIDBG("set gsi_ctx evtr_id %d to %d mode\n",

			ctx->evtr->id, mode);
@@ -3724,7 +3724,7 @@ int gsi_config_channel_mode(unsigned long chan_hdl, enum gsi_chan_mode mode) 
	if (curr == GSI_CHAN_MODE_POLL &&

			mode == GSI_CHAN_MODE_CALLBACK) {

		atomic_set(&ctx->poll_mode, mode);

		if (ctx->props.prot == GSI_CHAN_PROT_GCI)

		if ((ctx->props.prot == GSI_CHAN_PROT_GCI) && ctx->evtr->chan)

			atomic_set(&ctx->evtr->chan->poll_mode, mode);

		__gsi_config_ieob_irq(gsi_ctx->per.ee, 1 << ctx->evtr->id, ~0);

		GSIDBG("set gsi_ctx evtr_id %d to %d mode\n",

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

+1 −0
Original line number Diff line number Diff line
@@ -3008,6 +3008,7 @@ int ipa3_set_flt_tuple_mask(int pipe_idx, struct ipahal_reg_hash_tuple *tuple); 
int ipa3_set_rt_tuple_mask(int tbl_idx, struct ipahal_reg_hash_tuple *tuple);

void ipa3_set_resorce_groups_min_max_limits(void);

int ipa3_suspend_apps_pipes(bool suspend);

void ipa3_force_close_coal(void);

int ipa3_flt_read_tbl_from_hw(u32 pipe_idx,

	enum ipa_ip_type ip_type,

	bool hashable,

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

+97 −8
Original line number Diff line number Diff line
@@ -7802,7 +7802,7 @@ int ipa3_stop_gsi_channel(u32 clnt_hdl) 
	return res;

}



static int _ipa_suspend_pipe(enum ipa_client_type client, bool suspend)

static int _ipa_suspend_resume_pipe(enum ipa_client_type client, bool suspend)

{

	int ipa_ep_idx;

	struct ipa3_ep_context *ep;
@@ -7829,7 +7829,8 @@ static int _ipa_suspend_pipe(enum ipa_client_type client, bool suspend) 
	 * This needs to happen before starting the channel to make

	 * sure we don't loose any interrupt

	 */

	if (!suspend && !atomic_read(&ep->sys->curr_polling_state))

	if (!suspend && !atomic_read(&ep->sys->curr_polling_state) &&

		!IPA_CLIENT_IS_APPS_PROD(client))

		gsi_config_channel_mode(ep->gsi_chan_hdl,

					GSI_CHAN_MODE_CALLBACK);
@@ -7847,6 +7848,10 @@ static int _ipa_suspend_pipe(enum ipa_client_type client, bool suspend) 
		}

	}



	/* Apps prod pipes use common event ring so cannot configure mode*/

	if (IPA_CLIENT_IS_APPS_PROD(client))

		return 0;



	if (suspend) {

		IPADBG("switch ch %ld to poll\n", ep->gsi_chan_hdl);

		gsi_config_channel_mode(ep->gsi_chan_hdl, GSI_CHAN_MODE_POLL);
@@ -7861,19 +7866,103 @@ static int _ipa_suspend_pipe(enum ipa_client_type client, bool suspend) 
	return 0;

}



void ipa3_force_close_coal(void)

{

	struct ipahal_imm_cmd_pyld *cmd_pyld = NULL;

	struct ipahal_imm_cmd_register_write reg_write_cmd = { 0 };

	struct ipahal_reg_valmask valmask;

	struct ipa3_desc desc;

	int ep_idx;



	ep_idx = ipa3_get_ep_mapping(IPA_CLIENT_APPS_WAN_COAL_CONS);

	if (ep_idx == IPA_EP_NOT_ALLOCATED || (!ipa3_ctx->ep[ep_idx].valid))

		return;



	reg_write_cmd.skip_pipeline_clear = false;

	reg_write_cmd.pipeline_clear_options = IPAHAL_HPS_CLEAR;

	reg_write_cmd.offset = ipahal_get_reg_ofst(IPA_AGGR_FORCE_CLOSE);

	ipahal_get_aggr_force_close_valmask(ep_idx, &valmask);

	reg_write_cmd.value = valmask.val;

	reg_write_cmd.value_mask = valmask.mask;

	cmd_pyld = ipahal_construct_imm_cmd(IPA_IMM_CMD_REGISTER_WRITE,

		&reg_write_cmd, false);

	if (!cmd_pyld) {

		IPAERR("fail construct register_write imm cmd\n");

		ipa_assert();

		return;

	}

	ipa3_init_imm_cmd_desc(&desc, cmd_pyld);



	IPADBG("Sending 1 descriptor for coal force close\n");

	if (ipa3_send_cmd_timeout(1, &desc,

		IPA_DMA_TASK_FOR_GSI_TIMEOUT_MSEC)) {

		IPAERR("ipa3_send_cmd failed\n");

		ipa_assert();

	}

	ipahal_destroy_imm_cmd(cmd_pyld);

}



int ipa3_suspend_apps_pipes(bool suspend)

{

	int res;

	enum ipa_client_type client;



	res = _ipa_suspend_pipe(IPA_CLIENT_APPS_LAN_CONS, suspend);

	if (suspend)

		ipa3_force_close_coal();



	for (client = 0; client < IPA_CLIENT_MAX; client++) {

		if (IPA_CLIENT_IS_APPS_CONS(client)) {

			res = _ipa_suspend_resume_pipe(client, suspend);

			if (res)

		return res;

				goto undo_cons;

		}

	}



	if (suspend) {

		struct ipahal_reg_tx_wrapper tx;

		int ep_idx;



		ep_idx = ipa3_get_ep_mapping(IPA_CLIENT_APPS_WAN_COAL_CONS);

		if (ep_idx == IPA_EP_NOT_ALLOCATED ||

				(!ipa3_ctx->ep[ep_idx].valid))

			goto do_prod;



	res = _ipa_suspend_pipe(IPA_CLIENT_APPS_WAN_CONS, suspend);

		ipahal_read_reg_fields(IPA_STATE_TX_WRAPPER, &tx);

		if (tx.coal_slave_open_frame != 0) {

			IPADBG("COAL frame is open 0x%x\n",

				tx.coal_slave_open_frame);

			goto undo_cons;

		}



		usleep_range(IPA_TAG_SLEEP_MIN_USEC, IPA_TAG_SLEEP_MAX_USEC);



		res = ipahal_read_reg_n(IPA_SUSPEND_IRQ_INFO_EE_n,

			ipa3_ctx->ee);

		if (res) {

			IPADBG("suspend irq is pending 0x%x\n", res);

			goto undo_cons;

		}

	}

do_prod:

	for (client = 0; client < IPA_CLIENT_MAX; client++) {

		if (IPA_CLIENT_IS_APPS_PROD(client)) {

			res = _ipa_suspend_resume_pipe(client, suspend);

			if (res)

		return res;

				goto undo_prod;

		}

	}



	return 0;

undo_prod:

	for (client--; client < IPA_CLIENT_MAX && client >= 0; client--)

		if (IPA_CLIENT_IS_APPS_PROD(client))

			_ipa_suspend_resume_pipe(client, !suspend);

	client = IPA_CLIENT_MAX;

undo_cons:

	for (client--; client < IPA_CLIENT_MAX && client >= 0; client--)

		if (IPA_CLIENT_IS_APPS_CONS(client))

			_ipa_suspend_resume_pipe(client, !suspend);

	return res;

}



int ipa3_allocate_dma_task_for_gsi(void)

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

+70 −0
Original line number Diff line number Diff line
@@ -1187,6 +1187,73 @@ static void ipareg_parse_comp_cfg_v4_5( 
		IPA_COMP_CFG_IPA_FULL_FLUSH_WAIT_RSC_CLOSURE_EN_BMSK_v4_5);

}



static void ipareg_parse_state_tx_wrapper_v4_5(

	enum ipahal_reg_name reg, void *fields, u32 val)

{

	struct ipahal_reg_tx_wrapper *tx =

		(struct ipahal_reg_tx_wrapper *)fields;



	tx->tx0_idle = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_TX0_IDLE_SHFT,

		IPA_STATE_TX_WRAPPER_TX0_IDLE_BMSK);



	tx->tx1_idle = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_TX1_IDLE_SHFT,

		IPA_STATE_TX_WRAPPER_TX1_IDLE_BMSK);



	tx->ipa_prod_ackmngr_db_empty = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_IPA_PROD_ACKMNGR_DB_EMPTY_SHFT,

		IPA_STATE_TX_WRAPPER_IPA_PROD_ACKMNGR_DB_EMPTY_BMSK);



	tx->ipa_prod_ackmngr_state_idle = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_IPA_PROD_ACKMNGR_STATE_IDLE_SHFT,

		IPA_STATE_TX_WRAPPER_IPA_PROD_ACKMNGR_STATE_IDLE_BMSK);



	tx->ipa_prod_prod_bresp_empty = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_IPA_PROD_BRESP_EMPTY_SHFT,

		IPA_STATE_TX_WRAPPER_IPA_PROD_BRESP_EMPTY_BMSK);



	tx->ipa_prod_prod_bresp_toggle_idle = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_IPA_PROD_BRESP_EMPTY_SHFT,

		IPA_STATE_TX_WRAPPER_IPA_PROD_BRESP_EMPTY_BMSK);



	tx->ipa_mbim_pkt_fms_idle = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_IPA_MBIM_PKT_FMS_IDLE_SHFT,

		IPA_STATE_TX_WRAPPER_IPA_MBIM_PKT_FMS_IDLE_BMSK);



	tx->mbim_direct_dma = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_MBIM_DIRECT_DMA_SHFT,

		IPA_STATE_TX_WRAPPER_MBIM_DIRECT_DMA_BMSK);



	tx->trnseq_force_valid = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_TRNSEQ_FORCE_VALID_SHFT,

		IPA_STATE_TX_WRAPPER_TRNSEQ_FORCE_VALID_BMSK);



	tx->pkt_drop_cnt_idle = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_PKT_DROP_CNT_IDLE_SHFT,

		IPA_STATE_TX_WRAPPER_PKT_DROP_CNT_IDLE_BMSK);



	tx->nlo_direct_dma = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_NLO_DIRECT_DMA_SHFT,

		IPA_STATE_TX_WRAPPER_NLO_DIRECT_DMA_BMSK);



	tx->coal_direct_dma = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_COAL_DIRECT_DMA_SHFT,

		IPA_STATE_TX_WRAPPER_COAL_DIRECT_DMA_BMSK);



	tx->coal_slave_idle = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_COAL_SLAVE_IDLE_SHFT,

		IPA_STATE_TX_WRAPPER_COAL_SLAVE_IDLE_BMSK);



	tx->coal_slave_ctx_idle = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_COAL_SLAVE_CTX_IDLE_SHFT,

		IPA_STATE_TX_WRAPPER_COAL_SLAVE_CTX_IDLE_BMSK);



	tx->coal_slave_open_frame = IPA_GETFIELD_FROM_REG(val,

		IPA_STATE_TX_WRAPPER_COAL_SLAVE_OPEN_FRAME_SHFT,

		IPA_STATE_TX_WRAPPER_COAL_SLAVE_OPEN_FRAME_BMSK);

}



static void ipareg_construct_qcncm(

	enum ipahal_reg_name reg, const void *fields, u32 *val)

{
@@ -2975,6 +3042,9 @@ static struct ipahal_reg_obj ipahal_reg_objs[IPA_HW_MAX][IPA_REG_MAX] = { 
	[IPA_HW_v4_5][IPA_COMP_CFG] = {

		ipareg_construct_comp_cfg_v4_5, ipareg_parse_comp_cfg_v4_5,

		0x0000003C, 0, 0, 0, 0},

	[IPA_HW_v4_5][IPA_STATE_TX_WRAPPER] = {

		ipareg_construct_dummy, ipareg_parse_state_tx_wrapper_v4_5,

		0x00000090, 0, 0, 0, 1 },

	[IPA_HW_v4_5][IPA_STATE_FETCHER_MASK] = {

		ipareg_construct_dummy, ipareg_parse_dummy,

		-1, 0, 0, 0, 0},

drivers/platform/msm/ipa/ipa_v3/ipahal/ipahal_reg.h

+22 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.

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

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -386,6 +386,27 @@ struct ipahal_reg_comp_cfg { 
	bool enable;

};



/*

 * struct ipahal_reg_tx_wrapper- IPA TX Wrapper state information

 */

struct ipahal_reg_tx_wrapper {

	bool tx0_idle;

	bool tx1_idle;

	bool ipa_prod_ackmngr_db_empty;

	bool ipa_prod_ackmngr_state_idle;

	bool ipa_prod_prod_bresp_empty;

	bool ipa_prod_prod_bresp_toggle_idle;

	bool ipa_mbim_pkt_fms_idle;

	u8 mbim_direct_dma;

	bool trnseq_force_valid;

	bool pkt_drop_cnt_idle;

	u8 nlo_direct_dma;

	u8 coal_direct_dma;

	bool coal_slave_idle;

	bool coal_slave_ctx_idle;

	u8 coal_slave_open_frame;

};



/*

 * struct ipa_hash_tuple - Hash tuple members for flt and rt

 *  the fields tells if to be masked or not