msm: ipa3: Adapt version handling to support IPAv3.5/3.5.1

Adapt IPA driver code where it has different handling
according to IPA H/W version, to support IPAv3.5 and
IPAv3.5.1 H/W versions.

Change-Id: I2e5bd023d643d2fbba32f226c5eb85c39b620f3b
CRs-fixed: 1055677
Signed-off-by: Ghanim Fodi <gfodi@codeaurora.org>

6 files changed, 40 insertions, 7 deletions

diff --git a/drivers/platform/msm/ipa/ipa_api.c b/drivers/platform/msm/ipa/ipa_api.c
index a08d157e2b0f..05ce3969a5c7 100644
--- a/drivers/platform/msm/ipa/ipa_api.c
+++ b/drivers/platform/msm/ipa/ipa_api.c
@@ -2568,6 +2568,12 @@ const char *ipa_get_version_string(enum ipa_hw_type ver)
 	case IPA_HW_v3_1:
 		str = "3.1";
 		break;
+	case IPA_HW_v3_5:
+		str = "3.5";
+		break;
+	case IPA_HW_v3_5_1:
+		str = "3.5.1";
+		break;
 	default:
 		str = "Invalid version";
 		break;
@@ -2626,6 +2632,8 @@ static int ipa_generic_plat_drv_probe(struct platform_device *pdev_p)
 		break;
 	case IPA_HW_v3_0:
 	case IPA_HW_v3_1:
+	case IPA_HW_v3_5:
+	case IPA_HW_v3_5_1:
 		result = ipa3_plat_drv_probe(pdev_p, ipa_api_ctrl,
 			ipa_plat_drv_match);
 		break;
diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa.c b/drivers/platform/msm/ipa/ipa_v3/ipa.c
index 4db07bad7d93..2774a2746782 100644
--- a/drivers/platform/msm/ipa/ipa_v3/ipa.c
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa.c
@@ -3860,10 +3860,10 @@ static ssize_t ipa3_write(struct file *file, const char __user *buf,
 	if (ipa3_ctx->transport_prototype == IPA_TRANSPORT_TYPE_GSI) {
 		IPA_ACTIVE_CLIENTS_INC_SIMPLE();
 
-		if (ipa3_ctx->ipa_hw_type == IPA_HW_v3_0)
-			result = ipa3_trigger_fw_loading_mdms();
-		else if (ipa3_ctx->ipa_hw_type == IPA_HW_v3_1)
+		if (ipa3_is_msm_device())
 			result = ipa3_trigger_fw_loading_msms();
+		else
+			result = ipa3_trigger_fw_loading_mdms();
 		/* No IPAv3.x chipsets that don't support FW loading */
 
 		IPA_ACTIVE_CLIENTS_DEC_SIMPLE();
diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_dp.c b/drivers/platform/msm/ipa/ipa_v3/ipa_dp.c
index 4c600c6131e9..260fa287fc42 100644
--- a/drivers/platform/msm/ipa/ipa_v3/ipa_dp.c
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa_dp.c
@@ -4181,7 +4181,7 @@ static uint64_t pointer_to_tag_wa(struct ipa3_tx_pkt_wrapper *tx_pkt)
 {
 	u16 temp;
 	/* Add the check but it might have throughput issue */
-	if (ipa3_ctx->ipa_hw_type == IPA_HW_v3_1) {
+	if (ipa3_is_msm_device()) {
 		temp = (u16) (~((unsigned long) tx_pkt &
 			0xFFFF000000000000) >> 48);
 		if (temp) {
diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_i.h b/drivers/platform/msm/ipa/ipa_v3/ipa_i.h
index a7587b2b9675..227d3474fc79 100644
--- a/drivers/platform/msm/ipa/ipa_v3/ipa_i.h
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa_i.h
@@ -2013,4 +2013,5 @@ int ipa3_smmu_map_peer_buff(u64 iova, phys_addr_t phys_addr,
 int ipa3_ntn_init(void);
 int ipa3_get_ntn_stats(struct Ipa3HwStatsNTNInfoData_t *stats);
 struct dentry *ipa_debugfs_get_root(void);
+bool ipa3_is_msm_device(void);
 #endif /* _IPA3_I_H_ */
diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_interrupts.c b/drivers/platform/msm/ipa/ipa_v3/ipa_interrupts.c
index f0102a703812..c38918ec8a85 100644
--- a/drivers/platform/msm/ipa/ipa_v3/ipa_interrupts.c
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa_interrupts.c
@@ -395,7 +395,7 @@ int ipa3_add_interrupt_handler(enum ipa_irq_type interrupt,
 
 	/* register SUSPEND_IRQ_EN_EE_n_ADDR for L2 interrupt*/
 	if ((interrupt == IPA_TX_SUSPEND_IRQ) &&
-		(ipa3_ctx->ipa_hw_type == IPA_HW_v3_1)) {
+		(ipa3_ctx->ipa_hw_type >= IPA_HW_v3_1)) {
 		val = ~0;
 		for (client_idx = 0; client_idx < IPA_CLIENT_MAX; client_idx++)
 			if (IPA_CLIENT_IS_Q6_CONS(client_idx) ||
@@ -448,7 +448,7 @@ int ipa3_remove_interrupt_handler(enum ipa_irq_type interrupt)
 
 	/* clean SUSPEND_IRQ_EN_EE_n_ADDR for L2 interrupt */
 	if ((interrupt == IPA_TX_SUSPEND_IRQ) &&
-		(ipa3_ctx->ipa_hw_type == IPA_HW_v3_1)) {
+		(ipa3_ctx->ipa_hw_type >= IPA_HW_v3_1)) {
 		ipahal_write_reg_n(IPA_SUSPEND_IRQ_EN_EE_n, ipa_ee, 0);
 		IPADBG("wrote IPA_SUSPEND_IRQ_EN_EE_n reg = %d\n", 0);
 	}
diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_utils.c b/drivers/platform/msm/ipa/ipa_v3/ipa_utils.c
index 6881819d2108..a21eb9c1530b 100644
--- a/drivers/platform/msm/ipa/ipa_v3/ipa_utils.c
+++ b/drivers/platform/msm/ipa/ipa_v3/ipa_utils.c
@@ -3350,7 +3350,7 @@ void ipa3_set_resorce_groups_min_max_limits(void)
 	}
 
 	/* move resource group configuration from HLOS to TZ */
-	if (ipa3_ctx->ipa_hw_type == IPA_HW_v3_1) {
+	if (ipa3_ctx->ipa_hw_type >= IPA_HW_v3_1) {
 		IPAERR("skip configuring ipa_rx_hps_clients from HLOS\n");
 		return;
 	}
@@ -3610,3 +3610,27 @@ int ipa3_load_fws(const struct firmware *firmware)
 	IPADBG("IPA FWs (GSI FW, HPS and DPS) were loaded\n");
 	return 0;
 }
+
+/**
+ * ipa3_is_msm_device() - Is the running device a MSM or MDM?
+ *  Determine according to IPA version
+ *
+ * Return value: true if MSM, false if MDM
+ *
+ */
+bool ipa3_is_msm_device(void)
+{
+	switch (ipa3_ctx->ipa_hw_type) {
+	case IPA_HW_v3_0:
+	case IPA_HW_v3_5:
+		return false;
+	case IPA_HW_v3_1:
+	case IPA_HW_v3_5_1:
+		return true;
+	default:
+		IPAERR("unknown HW type %d\n", ipa3_ctx->ipa_hw_type);
+		ipa_assert();
+	}
+
+	return false;
+}