From: "Sireesh Kodali" <sireeshkodali1@gmail.com>
To: "Alex Elder" <elder@ieee.org>, <phone-devel@vger.kernel.org>,
<~postmarketos/upstreaming@lists.sr.ht>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
<elder@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>,
"Jakub Kicinski" <kuba@kernel.org>
Subject: Re: [RFC PATCH 16/17] net: ipa: Add hw config describing IPA v2.x hardware
Date: Tue, 19 Oct 2021 00:05:59 +0530 [thread overview]
Message-ID: <CF2R0LFXXG5E.FVHJJ5F1GS2R@skynet-linux> (raw)
In-Reply-To: <8a873721-9b2b-4137-ff86-729a2d6fdc63@ieee.org>
On Thu Oct 14, 2021 at 4:00 AM IST, Alex Elder wrote:
> On 9/19/21 10:08 PM, Sireesh Kodali wrote:
> > 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@gmail.com>
>
> I will not look at this in great detail right now. It looks
> good to me, but I didn't notice where "channel_name" got
> defined. I'm not sure what the BCR value represents either.
>
I probably messed up while splitting the commits, it should be easy
enough to fix. As for the BCR, it was simple `#define`d in
downstream, with no comments, leaving us clueless as to what the magic
number means :(
Regards,
Sireesh
> -Alex
>
> > ---
> > 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:
> >
next prev parent reply other threads:[~2021-10-18 18:39 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 3:07 [RFC PATCH 00/17] net: ipa: Add support for IPA v2.x Sireesh Kodali
2021-09-20 3:07 ` [RFC PATCH 01/17] net: ipa: Correct ipa_status_opcode enumeration Sireesh Kodali
2021-10-13 22:28 ` Alex Elder
2021-10-18 16:12 ` Sireesh Kodali
2021-09-20 3:07 ` [RFC PATCH 02/17] net: ipa: revert to IPA_TABLE_ENTRY_SIZE for 32-bit IPA support Sireesh Kodali
2021-10-13 22:28 ` Alex Elder
2021-10-18 16:16 ` Sireesh Kodali
2021-09-20 3:07 ` [RFC PATCH 04/17] net: ipa: Establish ipa_dma interface Sireesh Kodali
2021-10-13 22:29 ` Alex Elder
2021-10-18 16:45 ` Sireesh Kodali
2021-09-20 3:07 ` [RFC PATCH 05/17] net: ipa: Check interrupts for availability Sireesh Kodali
2021-10-13 22:29 ` Alex Elder
2021-09-20 3:08 ` [RFC PATCH 06/17] net: ipa: Add timeout for ipa_cmd_pipeline_clear_wait Sireesh Kodali
2021-10-13 22:29 ` Alex Elder
2021-10-18 17:02 ` Sireesh Kodali
2021-09-20 3:08 ` [RFC PATCH 07/17] net: ipa: Add IPA v2.x register definitions Sireesh Kodali
2021-10-13 22:29 ` Alex Elder
2021-10-18 17:25 ` Sireesh Kodali
2021-09-20 3:08 ` [RFC PATCH 08/17] net: ipa: Add support for IPA v2.x interrupts Sireesh Kodali
2021-10-13 22:29 ` Alex Elder
2021-09-20 3:08 ` [RFC PATCH 09/17] net: ipa: Add support for using BAM as a DMA transport Sireesh Kodali
2021-10-13 22:30 ` Alex Elder
2021-10-18 17:30 ` Sireesh Kodali
2021-09-20 3:08 ` [PATCH 10/17] net: ipa: Add support for IPA v2.x commands and table init Sireesh Kodali
2021-10-13 22:30 ` Alex Elder
2021-10-18 18:13 ` Sireesh Kodali
2021-09-20 3:08 ` [RFC PATCH 11/17] net: ipa: Add support for IPA v2.x endpoints Sireesh Kodali
2021-10-13 22:30 ` Alex Elder
2021-10-18 18:17 ` Sireesh Kodali
2021-09-20 3:08 ` [RFC PATCH 12/17] net: ipa: Add support for IPA v2.x memory map Sireesh Kodali
2021-10-13 22:30 ` Alex Elder
2021-10-18 18:19 ` Sireesh Kodali
2021-09-20 3:08 ` [RFC PATCH 13/17] net: ipa: Add support for IPA v2.x in the driver's QMI interface Sireesh Kodali
2021-10-13 22:30 ` Alex Elder
2021-10-18 18:22 ` Sireesh Kodali
2021-09-20 3:08 ` [RFC PATCH 14/17] net: ipa: Add support for IPA v2 microcontroller Sireesh Kodali
2021-10-13 22:30 ` Alex Elder
2021-09-20 3:08 ` [RFC PATCH 15/17] net: ipa: Add IPA v2.6L initialization sequence support Sireesh Kodali
2021-10-13 22:30 ` Alex Elder
2021-09-20 3:08 ` [RFC PATCH 16/17] net: ipa: Add hw config describing IPA v2.x hardware Sireesh Kodali
2021-10-13 22:30 ` Alex Elder
2021-10-18 18:35 ` Sireesh Kodali [this message]
2021-09-20 3:08 ` [RFC PATCH 17/17] dt-bindings: net: qcom,ipa: Add support for MSM8953 and MSM8996 IPA Sireesh Kodali
2021-09-23 12:42 ` Rob Herring
2021-10-13 22:31 ` Alex Elder
2021-10-13 22:27 ` [RFC PATCH 00/17] net: ipa: Add support for IPA v2.x Alex Elder
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