linux-kernel - [PATCH 0/4] Add support SDUC for Realtek card readers

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Message-ID: <20240719053314.1636649-1-ricky_wu@realtek.com>
Date: Fri, 19 Jul 2024 13:33:10 +0800
From: Ricky Wu <ricky_wu@...ltek.com>
To: <ricky_wu@...ltek.com>, <ulf.hansson@...aro.org>,
        <linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <ricardo@...liere.net>, <gregkh@...uxfoundation.org>, <arnd@...db.de>
Subject: [PATCH 0/4] Add support SDUC for Realtek card readers

Summary:
this patch is for mmc to support SDUC(Secure Digital Ultra Capacity)
and add Realtek Cardreaders to support it 

About SDUC:
SDUC is defined in SD7.0 spec, it support the max capacity is 128TB[1]

Roughly implemented functions by this patch:
1.Mutual identification of SDUC in ACMD41 initialization (5.2.1[2])
2.SDUC card user area capacity calculation (5.2.2[2])
3.Memory read/write commands sequence (5.2.3[2])
4.Erase Commands Sequence (5.2.4[2])

patches:
patch#1: Defined functions and modified some type of parameter
patch#2: For mmc to support SDUC
patch#3: Add Realtek sdmmc host to support SDUC
patch#4: Add Realtek card readers to support SDUC 

Reference:
[1] SD Specifications Part 1 Physical Layer Specification Version 7.00
[2] SD Specifications SDUC Host Implementation Guideline Version 1.00

Ricky Wu(4):
 mmc: core: some definitions and type modifications for SDUC
 mmc: core: add SDUC init rw erase flow to mmc
 mmc: rtsx: make Realtek sdmmc to support SDUC
 misc: rtsx: add Realtek card readers to support SDUC

 drivers/misc/cardreader/rts5227.c |  1 +
 drivers/misc/cardreader/rts5228.c |  1 +
 drivers/misc/cardreader/rts5249.c |  1 +
 drivers/misc/cardreader/rts5260.c |  1 +
 drivers/misc/cardreader/rts5261.c |  1 +
 drivers/misc/cardreader/rts5264.c |  2 +-
 drivers/mmc/core/block.c          | 13 +++++++--
 drivers/mmc/core/bus.c            |  4 ++-
 drivers/mmc/core/card.h           |  3 ++
 drivers/mmc/core/core.c           | 38 +++++++++++++++++--------
 drivers/mmc/core/core.h           |  6 ++--
 drivers/mmc/core/host.h           |  5 ++++
 drivers/mmc/core/queue.h          |  1 +
 drivers/mmc/core/sd.c             | 47 +++++++++++++++++++++++++++++++
 drivers/mmc/host/rtsx_pci_sdmmc.c |  6 ++++
 include/linux/mmc/card.h          |  2 +-
 include/linux/mmc/core.h          |  1 +
 include/linux/mmc/host.h          |  1 +
 include/linux/mmc/sd.h            |  5 ++++
 include/linux/rtsx_pci.h          |  1 +
 20 files changed, 121 insertions(+), 19 deletions(-)


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2.25.1