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Message-ID: <20240609182102.2950457-1-michael.nemanov@ti.com>
Date: Sun, 9 Jun 2024 21:20:45 +0300
From: <michael.nemanov@...com>
To: Sabeeh Khan <sabeeh-khan@...com>, Kalle Valo <kvalo@...nel.org>,
        Johannes
 Berg <johannes.berg@...el.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo
 Abeni <pabeni@...hat.com>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-wireless@...r.kernel.org>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Michael Nemanov
	<michael.nemanov@...com>
Subject: [PATCH v2 00/17] wifi: cc33xx: Add driver for new TI CC33xx wireless device family

From: Michael Nemanov <michael.nemanov@...com>

Hello everyone,

This series adds support for CC33xx which is a new family of WLAN IEEE802.11 a/b/g/n/ax
and BLE 5.4 transceivers by Texas Instruments. These devices are 20MHz single spatial stream
enabling STA (IEEE802.11ax) and AP (IEEE802.11n only) roles as well as both roles simultaneously.
Communication to the CC33xx is done via 4-bit SDIO with two extra GPIOs: Enable and Interrupt.

This driver's architecture is a soft-MAC and derivative of existing wl18xx + wlcore code [1].
It has been tested with the AM335x, AM625x, and i.MX8-MP evaluation kits.

Data sheet: https://www.ti.com/lit/gpn/cc3301

All code passes sparse, smatch, coccicheck and checkpatch with very few pragmatic exceptions.

Driver is split on file boundary as required by Linux-wireless wiki:
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches#new_driver

Known gaps to be addressed in following patches:
1. BLE support

Change log:
v2:
* Fixed build bug on non-ARM architectures
* Removed driver version
* Removed trivial debug traces
* Removed debug parameters for cc33xx module
* Added pre-post smatch and coccicheck tests
* Fixed multiple type compatibility warnings
* Minor fixes

v1:
* Added dt-bindings
* Removed debugfs to ease review
* Fix build issue with CONFIG_CFG80211_CERTIFICATION_ONUS
* Fix multiple build warnings found with Clang 18 and W=12
Lore: https://lore.kernel.org/linux-wireless/20240521171841.884576-1-michael.nemanov@ti.com/

Test log:
https://0x0.st/XbyX.log

[1] It was considered implementing CC33xx as another user of wlcore but The
differences in HW, host interface, IRQ functionality, Rx/Tx behavior and supported features
were too significant so this was abandoned.

Michael Nemanov
Texas Instruments

Michael Nemanov (17):
  wifi: cc33xx: Add cc33xx.h, cc33xx_i.h
  wifi: cc33xx: Add debug.h
  wifi: cc33xx: Add sdio.c, io.c, io.h
  wifi: cc33xx: Add cmd.c, cmd.h
  wifi: cc33xx: Add acx.c, acx.h
  wifi: cc33xx: Add event.c, event.h
  wifi: cc33xx: Add boot.c, boot.h
  wifi: cc33xx: Add main.c
  wifi: cc33xx: Add rx.c, rx.h
  wifi: cc33xx: Add tx.c, tx.h
  wifi: cc33xx: Add init.c, init.h
  wifi: cc33xx: Add scan.c, scan.h
  wifi: cc33xx: Add conf.h
  wifi: cc33xx: Add ps.c, ps.h
  wifi: cc33xx: Add testmode.c, testmode.h
  wifi: cc33xx: Add Kconfig, Makefile Integrate cc33xx into wireless/ti
    folder
  dt-bindings: net: wireless: cc33xx: Add ti,cc33xx.yaml

 .../bindings/net/wireless/ti,cc33xx.yaml      |   60 +
 drivers/net/wireless/ti/Kconfig               |    1 +
 drivers/net/wireless/ti/Makefile              |    1 +
 drivers/net/wireless/ti/cc33xx/Kconfig        |   24 +
 drivers/net/wireless/ti/cc33xx/Makefile       |   10 +
 drivers/net/wireless/ti/cc33xx/acx.c          | 1008 +++
 drivers/net/wireless/ti/cc33xx/acx.h          |  835 +++
 drivers/net/wireless/ti/cc33xx/boot.c         |  363 +
 drivers/net/wireless/ti/cc33xx/boot.h         |   24 +
 drivers/net/wireless/ti/cc33xx/cc33xx.h       |  483 ++
 drivers/net/wireless/ti/cc33xx/cc33xx_i.h     |  459 ++
 drivers/net/wireless/ti/cc33xx/cmd.c          | 2030 ++++++
 drivers/net/wireless/ti/cc33xx/cmd.h          |  700 ++
 drivers/net/wireless/ti/cc33xx/conf.h         | 1246 ++++
 drivers/net/wireless/ti/cc33xx/debug.h        |   92 +
 drivers/net/wireless/ti/cc33xx/event.c        |  385 ++
 drivers/net/wireless/ti/cc33xx/event.h        |   71 +
 drivers/net/wireless/ti/cc33xx/init.c         |  236 +
 drivers/net/wireless/ti/cc33xx/init.h         |   15 +
 drivers/net/wireless/ti/cc33xx/io.c           |  131 +
 drivers/net/wireless/ti/cc33xx/io.h           |   26 +
 drivers/net/wireless/ti/cc33xx/main.c         | 5854 +++++++++++++++++
 drivers/net/wireless/ti/cc33xx/ps.c           |  117 +
 drivers/net/wireless/ti/cc33xx/ps.h           |   16 +
 drivers/net/wireless/ti/cc33xx/rx.c           |  393 ++
 drivers/net/wireless/ti/cc33xx/rx.h           |   86 +
 drivers/net/wireless/ti/cc33xx/scan.c         |  754 +++
 drivers/net/wireless/ti/cc33xx/scan.h         |  364 +
 drivers/net/wireless/ti/cc33xx/sdio.c         |  584 ++
 drivers/net/wireless/ti/cc33xx/testmode.c     |  359 +
 drivers/net/wireless/ti/cc33xx/testmode.h     |   12 +
 drivers/net/wireless/ti/cc33xx/tx.c           | 1411 ++++
 drivers/net/wireless/ti/cc33xx/tx.h           |  160 +
 33 files changed, 18310 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/wireless/ti,cc33xx.yaml
 create mode 100644 drivers/net/wireless/ti/cc33xx/Kconfig
 create mode 100644 drivers/net/wireless/ti/cc33xx/Makefile
 create mode 100644 drivers/net/wireless/ti/cc33xx/acx.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/acx.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/boot.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/boot.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/cc33xx.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/cc33xx_i.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/cmd.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/cmd.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/conf.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/debug.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/event.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/event.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/init.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/init.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/io.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/io.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/main.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/ps.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/ps.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/rx.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/rx.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/scan.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/scan.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/sdio.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/testmode.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/testmode.h
 create mode 100644 drivers/net/wireless/ti/cc33xx/tx.c
 create mode 100644 drivers/net/wireless/ti/cc33xx/tx.h


base-commit: a46300b1b09ba260c2c2b00f06f6e34482a8ec01
-- 
2.25.1

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