[RFC PATCH 16/17] net: ipa: Add hw config describing IPA v2.x hardware

From: Sireesh Kodali
Date: Sun Sep 19 2021 - 23:11:27 EST

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This commit adds the config for IPA v2.0, v2.5, v2.6L. IPA v2.5 is found
on msm8996. IPA v2.6L hardware is found on following SoCs: msm8920,
msm8940, msm8952, msm8953, msm8956, msm8976, sdm630, sdm660. No
SoC-specific configuration in ipa driver is required.

Signed-off-by: Sireesh Kodali <sireeshkodali1@xxxxxxxxx>
---
drivers/net/ipa/Makefile | 7 +-
drivers/net/ipa/ipa_data-v2.c | 369 ++++++++++++++++++++++++++++++++
drivers/net/ipa/ipa_data-v3.1.c | 2 +-
drivers/net/ipa/ipa_data.h | 3 +
drivers/net/ipa/ipa_main.c | 15 ++
drivers/net/ipa/ipa_sysfs.c | 6 +
6 files changed, 398 insertions(+), 4 deletions(-)
create mode 100644 drivers/net/ipa/ipa_data-v2.c

diff --git a/drivers/net/ipa/Makefile b/drivers/net/ipa/Makefile
index 4abebc667f77..858fbf76cff3 100644
--- a/drivers/net/ipa/Makefile
+++ b/drivers/net/ipa/Makefile
@@ -7,6 +7,7 @@ ipa-y := ipa_main.o ipa_power.o ipa_reg.o ipa_mem.o \
ipa_resource.o ipa_qmi.o ipa_qmi_msg.o \
ipa_sysfs.o

-ipa-y += ipa_data-v3.1.o ipa_data-v3.5.1.o \
- ipa_data-v4.2.o ipa_data-v4.5.o \
- ipa_data-v4.9.o ipa_data-v4.11.o
+ipa-y += ipa_data-v2.o ipa_data-v3.1.o \
+ ipa_data-v3.5.1.o ipa_data-v4.2.o \
+ ipa_data-v4.5.o ipa_data-v4.9.o \
+ ipa_data-v4.11.o
diff --git a/drivers/net/ipa/ipa_data-v2.c b/drivers/net/ipa/ipa_data-v2.c
new file mode 100644
index 000000000000..869b8a1a45d6
--- /dev/null
+++ b/drivers/net/ipa/ipa_data-v2.c
@@ -0,0 +1,369 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2019-2020 Linaro Ltd.
+ */
+
+#include <linux/log2.h>
+
+#include "ipa_data.h"
+#include "ipa_endpoint.h"
+#include "ipa_mem.h"
+
+/* Endpoint configuration for the IPA v2 hardware. */
+static const struct ipa_gsi_endpoint_data ipa_endpoint_data[] = {
+ [IPA_ENDPOINT_AP_COMMAND_TX] = {
+ .ee_id = GSI_EE_AP,
+ .channel_id = 3,
+ .endpoint_id = 3,
+ .channel_name = "cmd_tx",
+ .toward_ipa = true,
+ .channel = {
+ .tre_count = 256,
+ .event_count = 256,
+ .tlv_count = 20,
+ },
+ .endpoint = {
+ .config = {
+ .dma_mode = true,
+ .dma_endpoint = IPA_ENDPOINT_AP_LAN_RX,
+ },
+ },
+ },
+ [IPA_ENDPOINT_AP_LAN_RX] = {
+ .ee_id = GSI_EE_AP,
+ .channel_id = 2,
+ .endpoint_id = 2,
+ .channel_name = "ap_lan_rx",
+ .channel = {
+ .tre_count = 256,
+ .event_count = 256,
+ .tlv_count = 8,
+ },
+ .endpoint = {
+ .config = {
+ .aggregation = true,
+ .status_enable = true,
+ .rx = {
+ .pad_align = ilog2(sizeof(u32)),
+ },
+ },
+ },
+ },
+ [IPA_ENDPOINT_AP_MODEM_TX] = {
+ .ee_id = GSI_EE_AP,
+ .channel_id = 4,
+ .endpoint_id = 4,
+ .channel_name = "ap_modem_tx",
+ .toward_ipa = true,
+ .channel = {
+ .tre_count = 256,
+ .event_count = 256,
+ .tlv_count = 8,
+ },
+ .endpoint = {
+ .config = {
+ .qmap = true,
+ .status_enable = true,
+ .tx = {
+ .status_endpoint =
+ IPA_ENDPOINT_AP_LAN_RX,
+ },
+ },
+ },
+ },
+ [IPA_ENDPOINT_AP_MODEM_RX] = {
+ .ee_id = GSI_EE_AP,
+ .channel_id = 5,
+ .endpoint_id = 5,
+ .channel_name = "ap_modem_rx",
+ .toward_ipa = false,
+ .channel = {
+ .tre_count = 256,
+ .event_count = 256,
+ .tlv_count = 8,
+ },
+ .endpoint = {
+ .config = {
+ .aggregation = true,
+ .qmap = true,
+ },
+ },
+ },
+ [IPA_ENDPOINT_MODEM_LAN_TX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 6,
+ .endpoint_id = 6,
+ .channel_name = "modem_lan_tx",
+ .toward_ipa = true,
+ },
+ [IPA_ENDPOINT_MODEM_COMMAND_TX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 7,
+ .endpoint_id = 7,
+ .channel_name = "modem_cmd_tx",
+ .toward_ipa = true,
+ },
+ [IPA_ENDPOINT_MODEM_LAN_RX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 8,
+ .endpoint_id = 8,
+ .channel_name = "modem_lan_rx",
+ .toward_ipa = false,
+ },
+ [IPA_ENDPOINT_MODEM_AP_RX] = {
+ .ee_id = GSI_EE_MODEM,
+ .channel_id = 9,
+ .endpoint_id = 9,
+ .channel_name = "modem_ap_rx",
+ .toward_ipa = false,
+ },
+};
+
+static struct ipa_interconnect_data ipa_interconnect_data[] = {
+ {
+ .name = "memory",
+ .peak_bandwidth = 1200000, /* 1200 MBps */
+ .average_bandwidth = 100000, /* 100 MBps */
+ },
+ {
+ .name = "imem",
+ .peak_bandwidth = 350000, /* 350 MBps */
+ .average_bandwidth = 0, /* unused */
+ },
+ {
+ .name = "config",
+ .peak_bandwidth = 40000, /* 40 MBps */
+ .average_bandwidth = 0, /* unused */
+ },
+};
+
+static struct ipa_power_data ipa_power_data = {
+ .core_clock_rate = 200 * 1000 * 1000, /* Hz */
+ .interconnect_count = ARRAY_SIZE(ipa_interconnect_data),
+ .interconnect_data = ipa_interconnect_data,
+};
+
+/* IPA-resident memory region configuration for v2.0 */
+static const struct ipa_mem ipa_mem_local_data_v2_0[IPA_MEM_COUNT] = {
+ [IPA_MEM_UC_SHARED] = {
+ .offset = 0,
+ .size = 0x80,
+ .canary_count = 0,
+ },
+ [IPA_MEM_V4_FILTER] = {
+ .offset = 0x0080,
+ .size = 0x0058,
+ .canary_count = 0,
+ },
+ [IPA_MEM_V6_FILTER] = {
+ .offset = 0x00e0,
+ .size = 0x0058,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V4_ROUTE] = {
+ .offset = 0x0140,
+ .size = 0x002c,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V6_ROUTE] = {
+ .offset = 0x0170,
+ .size = 0x002c,
+ .canary_count = 1,
+ },
+ [IPA_MEM_MODEM_HEADER] = {
+ .offset = 0x01a0,
+ .size = 0x0140,
+ .canary_count = 1,
+ },
+ [IPA_MEM_AP_HEADER] = {
+ .offset = 0x02e0,
+ .size = 0x0048,
+ .canary_count = 0,
+ },
+ [IPA_MEM_MODEM] = {
+ .offset = 0x032c,
+ .size = 0x0dcc,
+ .canary_count = 1,
+ },
+ [IPA_MEM_V4_FILTER_AP] = {
+ .offset = 0x10fc,
+ .size = 0x0780,
+ .canary_count = 1,
+ },
+ [IPA_MEM_V6_FILTER_AP] = {
+ .offset = 0x187c,
+ .size = 0x055c,
+ .canary_count = 0,
+ },
+ [IPA_MEM_UC_INFO] = {
+ .offset = 0x1ddc,
+ .size = 0x0124,
+ .canary_count = 1,
+ },
+};
+
+static struct ipa_mem_data ipa_mem_data_v2_0 = {
+ .local = ipa_mem_local_data_v2_0,
+ .smem_id = 497,
+ .smem_size = 0x00001f00,
+};
+
+/* Configuration data for IPAv2.0 */
+const struct ipa_data ipa_data_v2_0 = {
+ .version = IPA_VERSION_2_0,
+ .endpoint_count = ARRAY_SIZE(ipa_endpoint_data),
+ .endpoint_data = ipa_endpoint_data,
+ .mem_data = &ipa_mem_data_v2_0,
+ .power_data = &ipa_power_data,
+};
+
+/* IPA-resident memory region configuration for v2.5 */
+static const struct ipa_mem ipa_mem_local_data_v2_5[IPA_MEM_COUNT] = {
+ [IPA_MEM_UC_SHARED] = {
+ .offset = 0,
+ .size = 0x80,
+ .canary_count = 0,
+ },
+ [IPA_MEM_UC_INFO] = {
+ .offset = 0x0080,
+ .size = 0x0200,
+ .canary_count = 0,
+ },
+ [IPA_MEM_V4_FILTER] = {
+ .offset = 0x0288,
+ .size = 0x0058,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V6_FILTER] = {
+ .offset = 0x02e8,
+ .size = 0x0058,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V4_ROUTE] = {
+ .offset = 0x0348,
+ .size = 0x003c,
+ .canary_count = 2,
+ },
+ [IPA_MEM_V6_ROUTE] = {
+ .offset = 0x0388,
+ .size = 0x003c,
+ .canary_count = 1,
+ },
+ [IPA_MEM_MODEM_HEADER] = {
+ .offset = 0x03c8,
+ .size = 0x0140,
+ .canary_count = 1,
+ },
+ [IPA_MEM_MODEM_PROC_CTX] = {
+ .offset = 0x0510,
+ .size = 0x0200,
+ .canary_count = 2,
+ },
+ [IPA_MEM_AP_PROC_CTX] = {
+ .offset = 0x0710,
+ .size = 0x0200,
+ .canary_count = 0,
+ },
+ [IPA_MEM_MODEM] = {
+ .offset = 0x0914,
+ .size = 0x16a8,
+ .canary_count = 1,
+ },
+};
+
+static struct ipa_mem_data ipa_mem_data_v2_5 = {
+ .local = ipa_mem_local_data_v2_5,
+ .smem_id = 497,
+ .smem_size = 0x00002000,
+};
+
+/* Configuration data for IPAv2.5 */
+const struct ipa_data ipa_data_v2_5 = {
+ .version = IPA_VERSION_2_5,
+ .endpoint_count = ARRAY_SIZE(ipa_endpoint_data),
+ .endpoint_data = ipa_endpoint_data,
+ .mem_data = &ipa_mem_data_v2_5,
+ .power_data = &ipa_power_data,
+};
+
+/* IPA-resident memory region configuration for v2.6L */
+static const struct ipa_mem ipa_mem_local_data_v2_6L[IPA_MEM_COUNT] = {
+ {
+ .id = IPA_MEM_UC_SHARED,
+ .offset = 0,
+ .size = 0x80,
+ .canary_count = 0,
+ },
+ {
+ .id = IPA_MEM_UC_INFO,
+ .offset = 0x0080,
+ .size = 0x0200,
+ .canary_count = 0,
+ },
+ {
+ .id = IPA_MEM_V4_FILTER,
+ .offset = 0x0288,
+ .size = 0x0058,
+ .canary_count = 2,
+ },
+ {
+ .id = IPA_MEM_V6_FILTER,
+ .offset = 0x02e8,
+ .size = 0x0058,
+ .canary_count = 2,
+ },
+ {
+ .id = IPA_MEM_V4_ROUTE,
+ .offset = 0x0348,
+ .size = 0x003c,
+ .canary_count = 2,
+ },
+ {
+ .id = IPA_MEM_V6_ROUTE,
+ .offset = 0x0388,
+ .size = 0x003c,
+ .canary_count = 1,
+ },
+ {
+ .id = IPA_MEM_MODEM_HEADER,
+ .offset = 0x03c8,
+ .size = 0x0140,
+ .canary_count = 1,
+ },
+ {
+ .id = IPA_MEM_ZIP,
+ .offset = 0x0510,
+ .size = 0x0200,
+ .canary_count = 2,
+ },
+ {
+ .id = IPA_MEM_MODEM,
+ .offset = 0x0714,
+ .size = 0x18e8,
+ .canary_count = 1,
+ },
+ {
+ .id = IPA_MEM_END_MARKER,
+ .offset = 0x2000,
+ .size = 0,
+ .canary_count = 1,
+ },
+};
+
+static struct ipa_mem_data ipa_mem_data_v2_6L = {
+ .local = ipa_mem_local_data_v2_6L,
+ .smem_id = 497,
+ .smem_size = 0x00002000,
+};
+
+/* Configuration data for IPAv2.6L */
+const struct ipa_data ipa_data_v2_6L = {
+ .version = IPA_VERSION_2_6L,
+ /* Unfortunately we don't know what this BCR value corresponds to */
+ .backward_compat = 0x1fff7f,
+ .endpoint_count = ARRAY_SIZE(ipa_endpoint_data),
+ .endpoint_data = ipa_endpoint_data,
+ .mem_data = &ipa_mem_data_v2_6L,
+ .power_data = &ipa_power_data,
+};
diff --git a/drivers/net/ipa/ipa_data-v3.1.c b/drivers/net/ipa/ipa_data-v3.1.c
index 06ddb85f39b2..12d231232756 100644
--- a/drivers/net/ipa/ipa_data-v3.1.c
+++ b/drivers/net/ipa/ipa_data-v3.1.c
@@ -6,7 +6,7 @@

#include <linux/log2.h>

-#include "gsi.h"
+#include "ipa_dma.h"
#include "ipa_data.h"
#include "ipa_endpoint.h"
#include "ipa_mem.h"
diff --git a/drivers/net/ipa/ipa_data.h b/drivers/net/ipa/ipa_data.h
index 7d62d49f414f..e7ce2e9388b6 100644
--- a/drivers/net/ipa/ipa_data.h
+++ b/drivers/net/ipa/ipa_data.h
@@ -301,6 +301,9 @@ struct ipa_data {
const struct ipa_power_data *power_data;
};

+extern const struct ipa_data ipa_data_v2_0;
+extern const struct ipa_data ipa_data_v2_5;
+extern const struct ipa_data ipa_data_v2_6L;
extern const struct ipa_data ipa_data_v3_1;
extern const struct ipa_data ipa_data_v3_5_1;
extern const struct ipa_data ipa_data_v4_2;
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index b437fbf95edf..3ae5c5c6734b 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -560,6 +560,18 @@ static int ipa_firmware_load(struct device *dev)
}

static const struct of_device_id ipa_match[] = {
+ {
+ .compatible = "qcom,ipa-v2.0",
+ .data = &ipa_data_v2_0,
+ },
+ {
+ .compatible = "qcom,msm8996-ipa",
+ .data = &ipa_data_v2_5,
+ },
+ {
+ .compatible = "qcom,msm8953-ipa",
+ .data = &ipa_data_v2_6L,
+ },
{
.compatible = "qcom,msm8998-ipa",
.data = &ipa_data_v3_1,
@@ -632,6 +644,9 @@ static void ipa_validate_build(void)
static bool ipa_version_valid(enum ipa_version version)
{
switch (version) {
+ case IPA_VERSION_2_0:
+ case IPA_VERSION_2_5:
+ case IPA_VERSION_2_6L:
case IPA_VERSION_3_0:
case IPA_VERSION_3_1:
case IPA_VERSION_3_5:
diff --git a/drivers/net/ipa/ipa_sysfs.c b/drivers/net/ipa/ipa_sysfs.c
index ff61dbdd70d8..f5d159f6bc06 100644
--- a/drivers/net/ipa/ipa_sysfs.c
+++ b/drivers/net/ipa/ipa_sysfs.c
@@ -14,6 +14,12 @@
static const char *ipa_version_string(struct ipa *ipa)
{
switch (ipa->version) {
+ case IPA_VERSION_2_0:
+ return "2.0";
+ case IPA_VERSION_2_5:
+ return "2.5";
+ case IPA_VERSION_2_6L:
+ "return 2.6L";
case IPA_VERSION_3_0:
return "3.0";
case IPA_VERSION_3_1:
--
2.33.0

Next message: Sireesh Kodali: "[RFC PATCH 17/17] dt-bindings: net: qcom,ipa: Add support for MSM8953 and MSM8996 IPA"
Previous message: Sireesh Kodali: "[RFC PATCH 15/17] net: ipa: Add IPA v2.6L initialization sequence support"
In reply to: Sireesh Kodali: "[RFC PATCH 15/17] net: ipa: Add IPA v2.6L initialization sequence support"
Next in thread: Sireesh Kodali: "[RFC PATCH 17/17] dt-bindings: net: qcom,ipa: Add support for MSM8953 and MSM8996 IPA"
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