Add MT7921 SDIO WiFi support

From: Sean Wang <[email protected]>

The patchset adds the SDIO support to the MT7921 driver, basically are made up of 3 parts.

PART 1: patch 1-5, 8-9 and 13-15
These are preliminary patches for mt7921s driver to refactor and reuse the current mt7921e driver as much as possible.

PART 2: patch 6-7, 10-11
These are preliminary patches for mt7921s driver to refactor and reuse the current mt7663s driver as much as possible.

PART 3: patch 12 and 16-17
These are specific patches for mt7921s driver and reset mechanism in the same framework where mt7921e have been supported.

The patchset are built and generated against the current mt76 with the tag mt76-for-kvalo-2021-10-12 plus the extra pending patches [1] expected to be merged to mt76 tree soon to help the review and merge process be easier.

The change list from v1 to v2
1. rework the whole driver according to the new patches added
("mt76: introduce __mt76_mcu_send_firmware routine"),
("mt76: not accounting the MCU header size in __mt76_mcu_send_firmware for mt7915/21") and ("mt76: sdio: move common code in mt76_sdio module")
2. drop pci_init.c and sdio_init.c by moving the related logic to pci.c and sdio.c, respectively.
3. cosmetics the patches like removing unnecessary new line, adding an extra space to fixed_map table and so on ...
4. fix typo in commit message

The change list from v2 to v3
1. rebase onto the latest mt76 branch
2. update per Lorenzo comments on v2
3. fix scheduling while atomic in mt7921_mac_sta_poll for mt7921s driver

The change list from v3 to v4
1. change the title of coverletter
2. fix the git message in patch 14
3. rebase onto the mt76-for-kvalo-2021-10-12

The change list from v4 to v5
1. fix endianess warning in mt76_connac_mcu_parse_tx_resource
2. rework the driver with the the following additional patches a. mt76: sdio: introduce parse_irq callback
b. mt76: sdio: export mt76s_alloc_rx_queue and mt76s_alloc_tx routines

[1] The pending patch list prior to add MT7921 SDIO support

dee0a13bcd6e mt76: mt7921: get rid of unused variable in mt7921_mac_tx_free d56281936470 mt76: mt7921: get rid of unused variable in mt7921_tx_complete_skb ef853b3f16ef mt76: connac: fix possible NULL pointer dereference in mt76_connac_get_phy_mode_v2 215246fecd9f mt76: mt7915: improve code readability for xmit-queue handler 9953a1186155 mt76: mt7915: introduce mt76 debugfs sub-dir for ext-phy c7cf56ad8385 mt76: rely on phy pointer in mt76_register_debugfs_fops routine signature 43366b8cef53 mt76: mt7921: add MU EDCA cmd support
44c7f544a257 mt76: sdio: export mt76s_alloc_rx_queue and mt76s_alloc_tx routines

Lorenzo Bianconi (2):
mt76: sdio: move common code in mt76_sdio module
mt76: sdio: introduce parse_irq callback

Sean Wang (15):
mt76: mt7921: refactor mac.c to be bus independent
mt76: mt7921: refactor dma.c to be pcie specific
mt76: mt7921: refactor mcu.c to be bus independent
mt76: mt7921: refactor init.c to be bus independent
mt76: mt7921: add MT7921_COMMON module
mt76: connac: move mcu reg access utility routines in mt76_connac_lib
module
mt76: mt7663s: rely on mcu reg access utility
mt76: mt7921: make all event parser reusable between mt7921s and

    mt7921e

mt76: mt7921: use physical addr to unify register access
mt76: sdio: extend sdio module to support CONNAC2
mt76: connac: extend mcu_get_nic_capability
mt76: mt7921: rely on mcu_get_nic_capability
mt76: mt7921: refactor mt7921_mcu_send_message
mt76: mt7921: introduce mt7921s support
mt76: mt7921s: add reset support

 drivers/net/wireless/mediatek/mt76/Makefile   |   2 +-
 drivers/net/wireless/mediatek/mt76/mt76.h     |  24 ++
 .../wireless/mediatek/mt76/mt7615/Makefile    |   2 +-
 .../net/wireless/mediatek/mt76/mt7615/mcu.c   |  28 --
 .../wireless/mediatek/mt76/mt7615/mt7615.h    |  18 +-
 .../net/wireless/mediatek/mt76/mt7615/sdio.c  | 288 ++------------
 .../wireless/mediatek/mt76/mt7615/sdio_mcu.c  |  11 +-
 .../wireless/mediatek/mt76/mt76_connac_mcu.c  |  93 +++++
 .../wireless/mediatek/mt76/mt76_connac_mcu.h  |   2 +
 .../net/wireless/mediatek/mt76/mt7921/Kconfig |  18 +-
 .../wireless/mediatek/mt76/mt7921/Makefile    |   8 +-
 .../wireless/mediatek/mt76/mt7921/debugfs.c   |  18 +-
 .../net/wireless/mediatek/mt76/mt7921/dma.c   |  38 +-
 .../wireless/mediatek/mt76/mt7921/eeprom.c    | 101 -----
 .../net/wireless/mediatek/mt76/mt7921/init.c  |  51 +--
 .../net/wireless/mediatek/mt76/mt7921/mac.c   | 375 ++----------------
 .../net/wireless/mediatek/mt76/mt7921/mac.h   |   4 +
 .../net/wireless/mediatek/mt76/mt7921/main.c  |   8 +
 .../net/wireless/mediatek/mt76/mt7921/mcu.c   | 135 ++-----
 .../wireless/mediatek/mt76/mt7921/mt7921.h    | 107 ++++-
 .../net/wireless/mediatek/mt76/mt7921/pci.c   |  48 ++-
 .../wireless/mediatek/mt76/mt7921/pci_mac.c   | 348 ++++++++++++++++
 .../wireless/mediatek/mt76/mt7921/pci_mcu.c   | 115 ++++++
 .../net/wireless/mediatek/mt76/mt7921/regs.h  |  22 +-
 .../net/wireless/mediatek/mt76/mt7921/sdio.c  | 317 +++++++++++++++
 .../wireless/mediatek/mt76/mt7921/sdio_mac.c  | 220 ++++++++++
 .../wireless/mediatek/mt76/mt7921/sdio_mcu.c  | 135 +++++++
 drivers/net/wireless/mediatek/mt76/sdio.c     | 282 +++++++++++++
 .../mediatek/mt76/{mt7615 => }/sdio.h         |  33 +-
 .../mediatek/mt76/{mt7615 => }/sdio_txrx.c    | 134 ++++---
 30 files changed, 1995 insertions(+), 990 deletions(-)
 delete mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/sdio.c
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c
 create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/sdio_mcu.c
 rename drivers/net/wireless/mediatek/mt76/{mt7615 => }/sdio.h (72%)
 rename drivers/net/wireless/mediatek/mt76/{mt7615 => }/sdio_txrx.c (67%)

2.25.1


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