From: Nipun Gupta Date: Sun, 17 Oct 2021 06:53:25 +0000 (+0530) Subject: baseband/la12xx: introduce NXP LA12xx driver X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=f218a1f920175f55a9cb5f54959f30e6a24e8a6c;p=dpdk.git baseband/la12xx: introduce NXP LA12xx driver This patch introduce the baseband device drivers for NXP's LA1200 series software defined baseband modem. Signed-off-by: Nipun Gupta Signed-off-by: Hemant Agrawal Acked-by: Akhil Goyal Acked-by: Nicolas Chautru --- diff --git a/MAINTAINERS b/MAINTAINERS index 8dceb6c0e0..629ec107cf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1296,6 +1296,16 @@ F: drivers/event/opdl/ F: doc/guides/eventdevs/opdl.rst +Baseband Drivers +---------------- + +NXP LA12xx +M: Nipun Gupta +M: Hemant Agrawal +F: drivers/baseband/la12xx/ +F: doc/guides/bbdevs/la12xx.rst + + Rawdev Drivers -------------- diff --git a/doc/guides/bbdevs/index.rst b/doc/guides/bbdevs/index.rst index 4445cbd1b0..cedd706fa6 100644 --- a/doc/guides/bbdevs/index.rst +++ b/doc/guides/bbdevs/index.rst @@ -14,3 +14,4 @@ Baseband Device Drivers fpga_lte_fec fpga_5gnr_fec acc100 + la12xx diff --git a/doc/guides/bbdevs/la12xx.rst b/doc/guides/bbdevs/la12xx.rst new file mode 100644 index 0000000000..294585ea30 --- /dev/null +++ b/doc/guides/bbdevs/la12xx.rst @@ -0,0 +1,71 @@ +.. SPDX-License-Identifier: BSD-3-Clause + Copyright 2021 NXP + +NXP LA12xx Poll Mode Driver +=========================== + +The BBDEV LA12xx poll mode driver (PMD) supports an implementation for +offloading High Phy processing functions like LDPC Encode / Decode 5GNR wireless +acceleration function, using PCI based LA12xx Software defined radio. + +More information can be found at `NXP Official Website +`_. + +Features +-------- + +LA12xx PMD supports the following features: + +- Maximum of 8 LDPC decode (UL) queues +- Maximum of 8 LDPC encode (DL) queues +- PCIe Gen-3 x8 Interface + +Installation +------------ + +Section 3 of the DPDK manual provides instructions on installing and compiling DPDK. + +DPDK requires hugepages to be configured as detailed in section 2 of the DPDK manual. + +Initialization +-------------- + +The device can be listed on the host console with: + + +Use the following lspci command to get the multiple LA12xx processor ids. The +device ID of the LA12xx baseband processor is "1c30". + +.. code-block:: console + + sudo lspci -nn + +... +0001:01:00.0 Power PC [0b20]: Freescale Semiconductor Inc Device [1957:1c30] ( +rev 10) +... +0002:01:00.0 Power PC [0b20]: Freescale Semiconductor Inc Device [1957:1c30] ( +rev 10) + + +Prerequisites +------------- + +Currently supported by DPDK: + +- NXP LA1224 BSP **1.0+**. +- NXP LA1224 PCIe Modem card connected to ARM host. + +- Follow the DPDK :ref:`Getting Started Guide for Linux ` to setup the basic DPDK environment. + +Enabling logs +------------- + +For enabling logs, use the following EAL parameter: + +.. code-block:: console + + ./your_bbdev_application --log-level=la12xx: + +Using ``bb.la12xx`` as log matching criteria, all Baseband PMD logs can be +enabled which are lower than logging ``level``. diff --git a/drivers/baseband/la12xx/bbdev_la12xx.c b/drivers/baseband/la12xx/bbdev_la12xx.c new file mode 100644 index 0000000000..d3d7a4df37 --- /dev/null +++ b/drivers/baseband/la12xx/bbdev_la12xx.c @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2020-2021 NXP + */ + +#include + +#include +#include +#include +#include +#include + +#include +#include + +#include + +#define DRIVER_NAME baseband_la12xx + +/* private data structure */ +struct bbdev_la12xx_private { + unsigned int max_nb_queues; /**< Max number of queues */ +}; +/* Create device */ +static int +la12xx_bbdev_create(struct rte_vdev_device *vdev) +{ + struct rte_bbdev *bbdev; + const char *name = rte_vdev_device_name(vdev); + + PMD_INIT_FUNC_TRACE(); + + bbdev = rte_bbdev_allocate(name); + if (bbdev == NULL) + return -ENODEV; + + bbdev->data->dev_private = rte_zmalloc(name, + sizeof(struct bbdev_la12xx_private), + RTE_CACHE_LINE_SIZE); + if (bbdev->data->dev_private == NULL) { + rte_bbdev_release(bbdev); + return -ENOMEM; + } + + bbdev->dev_ops = NULL; + bbdev->device = &vdev->device; + bbdev->data->socket_id = 0; + bbdev->intr_handle = NULL; + + /* register rx/tx burst functions for data path */ + bbdev->dequeue_enc_ops = NULL; + bbdev->dequeue_dec_ops = NULL; + bbdev->enqueue_enc_ops = NULL; + bbdev->enqueue_dec_ops = NULL; + + return 0; +} + +/* Initialise device */ +static int +la12xx_bbdev_probe(struct rte_vdev_device *vdev) +{ + const char *name; + + PMD_INIT_FUNC_TRACE(); + + if (vdev == NULL) + return -EINVAL; + + name = rte_vdev_device_name(vdev); + if (name == NULL) + return -EINVAL; + + return la12xx_bbdev_create(vdev); +} + +/* Uninitialise device */ +static int +la12xx_bbdev_remove(struct rte_vdev_device *vdev) +{ + struct rte_bbdev *bbdev; + const char *name; + + PMD_INIT_FUNC_TRACE(); + + if (vdev == NULL) + return -EINVAL; + + name = rte_vdev_device_name(vdev); + if (name == NULL) + return -EINVAL; + + bbdev = rte_bbdev_get_named_dev(name); + if (bbdev == NULL) + return -EINVAL; + + rte_free(bbdev->data->dev_private); + + return rte_bbdev_release(bbdev); +} + +static struct rte_vdev_driver bbdev_la12xx_pmd_drv = { + .probe = la12xx_bbdev_probe, + .remove = la12xx_bbdev_remove +}; + +RTE_PMD_REGISTER_VDEV(DRIVER_NAME, bbdev_la12xx_pmd_drv); +RTE_LOG_REGISTER_DEFAULT(bbdev_la12xx_logtype, NOTICE); diff --git a/drivers/baseband/la12xx/bbdev_la12xx_pmd_logs.h b/drivers/baseband/la12xx/bbdev_la12xx_pmd_logs.h new file mode 100644 index 0000000000..452435ccb9 --- /dev/null +++ b/drivers/baseband/la12xx/bbdev_la12xx_pmd_logs.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2020 NXP + */ + +#ifndef _BBDEV_LA12XX_PMD_LOGS_H_ +#define _BBDEV_LA12XX_PMD_LOGS_H_ + +extern int bbdev_la12xx_logtype; + +#define rte_bbdev_log(level, fmt, ...) \ + rte_log(RTE_LOG_ ## level, bbdev_la12xx_logtype, fmt "\n", \ + ##__VA_ARGS__) + +#ifdef RTE_LIBRTE_BBDEV_DEBUG +#define rte_bbdev_log_debug(fmt, ...) \ + rte_bbdev_log(DEBUG, "la12xx_pmd: " fmt, \ + ##__VA_ARGS__) +#else +#define rte_bbdev_log_debug(fmt, ...) +#endif + +#define PMD_INIT_FUNC_TRACE() rte_bbdev_log_debug(">>") + +/* DP Logs, toggled out at compile time if level lower than current level */ +#define rte_bbdev_dp_log(level, fmt, args...) \ + RTE_LOG_DP(level, PMD, fmt, ## args) + +#endif /* _BBDEV_LA12XX_PMD_LOGS_H_ */ diff --git a/drivers/baseband/la12xx/meson.build b/drivers/baseband/la12xx/meson.build new file mode 100644 index 0000000000..7a017dcffa --- /dev/null +++ b/drivers/baseband/la12xx/meson.build @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright 2020-2021 NXP + +deps += ['bbdev', 'bus_vdev', 'ring'] + +sources = files('bbdev_la12xx.c') diff --git a/drivers/baseband/la12xx/version.map b/drivers/baseband/la12xx/version.map new file mode 100644 index 0000000000..c2e0723b4c --- /dev/null +++ b/drivers/baseband/la12xx/version.map @@ -0,0 +1,3 @@ +DPDK_22 { + local: *; +}; diff --git a/drivers/baseband/meson.build b/drivers/baseband/meson.build index 5ee61d5323..686e98b2ed 100644 --- a/drivers/baseband/meson.build +++ b/drivers/baseband/meson.build @@ -9,6 +9,7 @@ drivers = [ 'acc100', 'fpga_5gnr_fec', 'fpga_lte_fec', + 'la12xx', 'null', 'turbo_sw', ]