Add modules to support realtek PCIE card reader

From: Wei WANG <[email protected]>

Support for Realtek PCI-Express driver-based card readers including rts5209 and rts5229.

v2:
1. Using platform device to replace realtek slot bus

v3:
1. Fix a bug that DMA out of SW-IOMMU space in Lenovo Thinkpad x121e
2. Tested by Borislav Petkov <[email protected]>

v4:
1. Fulfill power management callbacks

Wei WANG (2):
drivers/mfd: Add realtek pcie card reader driver drivers/mmc: Add realtek pcie sdmmc host driver

 drivers/mfd/Kconfig               |    9 +
 drivers/mfd/Makefile              |    4 +
 drivers/mfd/rts5209.c             |  104 +++
 drivers/mfd/rts5229.c             |  119 ++++
 drivers/mfd/rtsx_pcr.c            | 1321 +++++++++++++++++++++++++++++++++++
 drivers/mfd/rtsx_pcr.h            |   31 +
 drivers/mmc/host/Kconfig          |    7 +
 drivers/mmc/host/Makefile         |    2 +
 drivers/mmc/host/rtsx_pci_sdmmc.c | 1378 +++++++++++++++++++++++++++++++++++++
 include/linux/mfd/rtsx_common.h   |   47 ++
 include/linux/mfd/rtsx_pci.h      |  690 +++++++++++++++++++
 11 files changed, 3712 insertions(+)
 create mode 100644 drivers/mfd/rts5209.c
 create mode 100644 drivers/mfd/rts5229.c
 create mode 100644 drivers/mfd/rtsx_pcr.c
 create mode 100644 drivers/mfd/rtsx_pcr.h
 create mode 100644 drivers/mmc/host/rtsx_pci_sdmmc.c
 create mode 100644 include/linux/mfd/rtsx_common.h
 create mode 100644 include/linux/mfd/rtsx_pci.h

1.7.9.5

From: Wei WANG <[email protected]>

Realtek PCI-E card reader driver adapts requests from upper-level sdmmc/memstick layer to the real physical card reader.

---
 drivers/mfd/Kconfig             |    9 +
 drivers/mfd/Makefile            |    4 +
 drivers/mfd/rts5209.c           |  104 +++
 drivers/mfd/rts5229.c           |  119 ++++
 drivers/mfd/rtsx_pcr.c          | 1321 +++++++++++++++++++++++++++++++++++++++
 drivers/mfd/rtsx_pcr.h          |   31 +
 include/linux/mfd/rtsx_common.h |   47 ++
 include/linux/mfd/rtsx_pci.h    |  690 ++++++++++++++++++++
 8 files changed, 2325 insertions(+)
 create mode 100644 drivers/mfd/rts5209.c
 create mode 100644 drivers/mfd/rts5229.c
 create mode 100644 drivers/mfd/rtsx_pcr.c
 create mode 100644 drivers/mfd/rtsx_pcr.h
 create mode 100644 include/linux/mfd/rtsx_common.h
 create mode 100644 include/linux/mfd/rtsx_pci.h

index d1facef..4c07a34 100644
@@ -63,6 +63,15 @@ config MFD_SM501_GPIO
 	 lines on the SM501. The platform data is used to supply the
 	 base number for the first GPIO line to register.
 
+config MFD_RTSX_PCI
+	tristate "Support for Realtek PCI-E driver-based card reader"
+	depends on PCI
+	help
+	  This supports for Realtek PCI-Express driver-based card reader including
+	  rts5209, rts5229, etc. Realtek driver-based card reader supports access
+	  to many types of memory cards, such as Memory Stick, Memory Stick Pro,
+	  Secure Digital and MultiMediaCard.
+
 config MFD_ASIC3
 	bool "Support for Compaq ASIC3"
 	depends on GENERIC_HARDIRQS && GPIOLIB && ARM

index 79dd22d..e8cdc7b 100644
@@ -9,6 +9,9 @@ obj-$(CONFIG_MFD_88PM805)	+= 88pm805.o 88pm80x.o
 obj-$(CONFIG_MFD_SM501)		+= sm501.o
 obj-$(CONFIG_MFD_ASIC3)		+= asic3.o tmio_core.o
 
+rtsx_pci-objs			:= rtsx_pcr.o rts5209.o rts5229.o
+obj-$(CONFIG_MFD_RTSX_PCI)	+= rtsx_pci.o
+
 obj-$(CONFIG_HTC_EGPIO)		+= htc-egpio.o
 obj-$(CONFIG_HTC_PASIC3)	+= htc-pasic3.o
 obj-$(CONFIG_HTC_I2CPLD)	+= htc-i2cpld.o

@@ -132,3 +135,4 @@ obj-$(CONFIG_MFD_RC5T583)	+= rc5t583.o rc5t583-irq.o
 obj-$(CONFIG_MFD_SEC_CORE)	+= sec-core.o sec-irq.o
 obj-$(CONFIG_MFD_ANATOP)	+= anatop-mfd.o
 obj-$(CONFIG_MFD_LM3533)	+= lm3533-core.o lm3533-ctrlbank.o
+obj-$(CONFIG_MFD_RTSX_PCI)	+= rtsx_pci.o

new file mode 100644
index 0000000..8fbc471
@@ -0,0 +1,31 @@
+/* Driver for Realtek PCI-Express card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   Wei WANG <[email protected]>
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTSX_PCR_H
+#define __RTSX_PCR_H
+
+#include <linux/mfd/rtsx_pci.h>
+
+extern const struct pcr_ops rts5209_pcr_ops;
+extern const struct pcr_ops rts5229_pcr_ops;
+
+#endif

1.7.9.5

From: Wei WANG <[email protected]>

Realtek PCI-E SD/MMC card host driver is used to access SD/MMC card, with the help of Realtek PCI-E card reader MFD driver.

---
 drivers/mmc/host/Kconfig          |    7 +
 drivers/mmc/host/Makefile         |    2 +
 drivers/mmc/host/rtsx_pci_sdmmc.c | 1378 +++++++++++++++++++++++++++++++++++++
 3 files changed, 1387 insertions(+)
 create mode 100644 drivers/mmc/host/rtsx_pci_sdmmc.c

index aa131b3..d6f0c01 100644
@@ -612,3 +612,10 @@ config MMC_USHC
 
 	  Note: These controllers only support SDIO cards and do not
 	  support MMC or SD memory cards.
+
+config MMC_REALTEK_PCI
+	tristate "Realtek PCI-E SD/MMC Card Interface Driver"
+	depends on MFD_RTSX_PCI
+	help
+	  Say Y here to include driver code to support SD/MMC card interface
+	  of Realtek PCI-E driver-based card reader

index 8922b06..4679ba3 100644
@@ -45,6 +45,8 @@ obj-$(CONFIG_MMC_JZ4740)	+= jz4740_mmc.o
 obj-$(CONFIG_MMC_VUB300)	+= vub300.o
 obj-$(CONFIG_MMC_USHC)		+= ushc.o
 
+obj-$(CONFIG_MMC_REALTEK_PCI)	+= rtsx_pci_sdmmc.o
+
 obj-$(CONFIG_MMC_SDHCI_PLTFM)		+= sdhci-pltfm.o
 obj-$(CONFIG_MMC_SDHCI_CNS3XXX)		+= sdhci-cns3xxx.o
 obj-$(CONFIG_MMC_SDHCI_ESDHC_IMX)	+= sdhci-esdhc-imx.o

1.7.9.5