Merge branch 'for-linus' of git://git.o-hand.com/linux-mfd

* 'for-linus' of git://git.o-hand.com/linux-mfd:
  mfd: tc6393 cleanup and update
  mfd: have TMIO drivers and subdevices depend on ARM
  mfd: TMIO MMC driver
  mfd: driver for the TMIO NAND controller
  mfd: t7l66 MMC platform data
  mfd: tc6387 MMC platform data
  mfd: Fix 7l66 and 6387 according to the new mfd-core API
  mfd: Fix tc6393 according to the new tmio.h
  mfd: driver for the TC6387XB TMIO controller.
  mfd: driver for the T7L66XB TMIO SoC
  mfd: TMIO MMC structures and accessors.

drivers/mfd/Kconfig

@@ -50,10 +50,31 @@ config HTC_PASIC3
 	  HTC Magician devices, respectively. Actual functionality is
 	  handled by the leds-pasic3 and ds1wm drivers.
 
+config MFD_TMIO
+	bool
+	default n
+
+config MFD_T7L66XB
+	bool "Support Toshiba T7L66XB"
+	depends on ARM
+	select MFD_CORE
+	select MFD_TMIO
+	help
+	  Support for Toshiba Mobile IO Controller T7L66XB
+
+config MFD_TC6387XB
+	bool "Support Toshiba TC6387XB"
+	depends on ARM
+	select MFD_CORE
+	select MFD_TMIO
+	help
+	  Support for Toshiba Mobile IO Controller TC6387XB
+
 config MFD_TC6393XB
 	bool "Support Toshiba TC6393XB"
 	depends on GPIOLIB && ARM
 	select MFD_CORE
+	select MFD_TMIO
 	help
 	  Support for Toshiba Mobile IO Controller TC6393XB
 

drivers/mfd/Makefile

@@ -8,6 +8,8 @@ obj-$(CONFIG_MFD_ASIC3)		+= asic3.o
 obj-$(CONFIG_HTC_EGPIO)		+= htc-egpio.o
 obj-$(CONFIG_HTC_PASIC3)	+= htc-pasic3.o
 
+obj-$(CONFIG_MFD_T7L66XB)	+= t7l66xb.o
+obj-$(CONFIG_MFD_TC6387XB)	+= tc6387xb.o
 obj-$(CONFIG_MFD_TC6393XB)	+= tc6393xb.o
 
 obj-$(CONFIG_MFD_CORE)		+= mfd-core.o

drivers/mfd/tc6387xb.c

+/*
+ * Toshiba TC6387XB support
+ * Copyright (c) 2005 Ian Molton
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This file contains TC6387XB base support.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mfd/tc6387xb.h>
+
+enum {
+	TC6387XB_CELL_MMC,
+};
+
+#ifdef CONFIG_PM
+static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state)
+{
+	struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+
+	if (pdata && pdata->suspend)
+		pdata->suspend(dev);
+
+	return 0;
+}
+
+static int tc6387xb_resume(struct platform_device *dev)
+{
+	struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+
+	if (pdata && pdata->resume)
+		pdata->resume(dev);
+
+	return 0;
+}
+#else
+#define tc6387xb_suspend  NULL
+#define tc6387xb_resume   NULL
+#endif
+
+/*--------------------------------------------------------------------------*/
+
+static int tc6387xb_mmc_enable(struct platform_device *mmc)
+{
+	struct platform_device *dev      = to_platform_device(mmc->dev.parent);
+	struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+
+	if (tc6387xb->enable_clk32k)
+		tc6387xb->enable_clk32k(dev);
+
+	return 0;
+}
+
+static int tc6387xb_mmc_disable(struct platform_device *mmc)
+{
+	struct platform_device *dev      = to_platform_device(mmc->dev.parent);
+	struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+
+	if (tc6387xb->disable_clk32k)
+		tc6387xb->disable_clk32k(dev);
+
+	return 0;
+}
+
+/*--------------------------------------------------------------------------*/
+
+static struct resource tc6387xb_mmc_resources[] = {
+	{
+		.start = 0x800,
+		.end   = 0x9ff,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = 0x200,
+		.end   = 0x2ff,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = 0,
+		.end   = 0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell tc6387xb_cells[] = {
+	[TC6387XB_CELL_MMC] = {
+		.name = "tmio-mmc",
+		.enable = tc6387xb_mmc_enable,
+		.disable = tc6387xb_mmc_disable,
+		.num_resources = ARRAY_SIZE(tc6387xb_mmc_resources),
+		.resources = tc6387xb_mmc_resources,
+	},
+};
+
+static int tc6387xb_probe(struct platform_device *dev)
+{
+	struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
+	struct resource *iomem;
+	int irq, ret;
+
+	iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
+	if (!iomem) {
+		ret = -EINVAL;
+		goto err_resource;
+	}
+
+	ret  = platform_get_irq(dev, 0);
+	if (ret >= 0)
+		irq = ret;
+	else
+		goto err_resource;
+
+	if (data && data->enable)
+		data->enable(dev);
+
+	printk(KERN_INFO "Toshiba tc6387xb initialised\n");
+
+	tc6387xb_cells[TC6387XB_CELL_MMC].platform_data =
+		&tc6387xb_cells[TC6387XB_CELL_MMC];
+	tc6387xb_cells[TC6387XB_CELL_MMC].data_size =
+		sizeof(tc6387xb_cells[TC6387XB_CELL_MMC]);
+
+	ret = mfd_add_devices(&dev->dev, dev->id, tc6387xb_cells,
+			      ARRAY_SIZE(tc6387xb_cells), iomem, irq);
+
+	if (!ret)
+		return 0;
+
+err_resource:
+	return ret;
+}
+
+static int tc6387xb_remove(struct platform_device *dev)
+{
+	struct tc6387xb_platform_data *data = platform_get_drvdata(dev);
+
+	if (data && data->disable)
+		data->disable(dev);
+
+	/* FIXME - free the resources! */
+
+	return 0;
+}
+
+
+static struct platform_driver tc6387xb_platform_driver = {
+	.driver = {
+		.name		= "tc6387xb",
+	},
+	.probe		= tc6387xb_probe,
+	.remove		= tc6387xb_remove,
+	.suspend        = tc6387xb_suspend,
+	.resume         = tc6387xb_resume,
+};
+
+
+static int __init tc6387xb_init(void)
+{
+	return platform_driver_register(&tc6387xb_platform_driver);
+}
+
+static void __exit tc6387xb_exit(void)
+{
+	platform_driver_unregister(&tc6387xb_platform_driver);
+}
+
+module_init(tc6387xb_init);
+module_exit(tc6387xb_exit);
+
+MODULE_DESCRIPTION("Toshiba TC6387XB core driver");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Ian Molton");
+MODULE_ALIAS("platform:tc6387xb");

drivers/mmc/host/Kconfig

@@ -174,3 +174,9 @@ config MMC_SDRICOH_CS
 	  To compile this driver as a module, choose M here: the
 	  module will be called sdricoh_cs.
 
+config MMC_TMIO
+	tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
+	depends on MFD_TMIO
+	help
+	  This provides support for the SD/MMC cell found in TC6393XB,
+	  T7L66XB and also ipaq ASIC3

drivers/mmc/host/Makefile

@@ -21,4 +21,5 @@ obj-$(CONFIG_MMC_TIFM_SD)	+= tifm_sd.o
 obj-$(CONFIG_MMC_SPI)		+= mmc_spi.o
 obj-$(CONFIG_MMC_S3C)   	+= s3cmci.o
 obj-$(CONFIG_MMC_SDRICOH_CS)	+= sdricoh_cs.o
+obj-$(CONFIG_MMC_TMIO)		+= tmio_mmc.o
 

drivers/mmc/host/tmio_mmc.h

+/* Definitons for use with the tmio_mmc.c
+ *
+ * (c) 2004 Ian Molton <spyro@f2s.com>
+ * (c) 2007 Ian Molton <spyro@f2s.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#define CNF_CMD     0x04
+#define CNF_CTL_BASE   0x10
+#define CNF_INT_PIN  0x3d
+#define CNF_STOP_CLK_CTL 0x40
+#define CNF_GCLK_CTL 0x41
+#define CNF_SD_CLK_MODE 0x42
+#define CNF_PIN_STATUS 0x44
+#define CNF_PWR_CTL_1 0x48
+#define CNF_PWR_CTL_2 0x49
+#define CNF_PWR_CTL_3 0x4a
+#define CNF_CARD_DETECT_MODE 0x4c
+#define CNF_SD_SLOT 0x50
+#define CNF_EXT_GCLK_CTL_1 0xf0
+#define CNF_EXT_GCLK_CTL_2 0xf1
+#define CNF_EXT_GCLK_CTL_3 0xf9
+#define CNF_SD_LED_EN_1 0xfa
+#define CNF_SD_LED_EN_2 0xfe
+
+#define   SDCREN 0x2   /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/
+
+#define CTL_SD_CMD 0x00
+#define CTL_ARG_REG 0x04
+#define CTL_STOP_INTERNAL_ACTION 0x08
+#define CTL_XFER_BLK_COUNT 0xa
+#define CTL_RESPONSE 0x0c
+#define CTL_STATUS 0x1c
+#define CTL_IRQ_MASK 0x20
+#define CTL_SD_CARD_CLK_CTL 0x24
+#define CTL_SD_XFER_LEN 0x26
+#define CTL_SD_MEM_CARD_OPT 0x28
+#define CTL_SD_ERROR_DETAIL_STATUS 0x2c
+#define CTL_SD_DATA_PORT 0x30
+#define CTL_TRANSACTION_CTL 0x34
+#define CTL_RESET_SD 0xe0
+#define CTL_SDIO_REGS 0x100
+#define CTL_CLK_AND_WAIT_CTL 0x138
+#define CTL_RESET_SDIO 0x1e0
+
+/* Definitions for values the CTRL_STATUS register can take. */
+#define TMIO_STAT_CMDRESPEND    0x00000001
+#define TMIO_STAT_DATAEND       0x00000004
+#define TMIO_STAT_CARD_REMOVE   0x00000008
+#define TMIO_STAT_CARD_INSERT   0x00000010
+#define TMIO_STAT_SIGSTATE      0x00000020
+#define TMIO_STAT_WRPROTECT     0x00000080
+#define TMIO_STAT_CARD_REMOVE_A 0x00000100
+#define TMIO_STAT_CARD_INSERT_A 0x00000200
+#define TMIO_STAT_SIGSTATE_A    0x00000400
+#define TMIO_STAT_CMD_IDX_ERR   0x00010000
+#define TMIO_STAT_CRCFAIL       0x00020000
+#define TMIO_STAT_STOPBIT_ERR   0x00040000
+#define TMIO_STAT_DATATIMEOUT   0x00080000
+#define TMIO_STAT_RXOVERFLOW    0x00100000
+#define TMIO_STAT_TXUNDERRUN    0x00200000
+#define TMIO_STAT_CMDTIMEOUT    0x00400000
+#define TMIO_STAT_RXRDY         0x01000000
+#define TMIO_STAT_TXRQ          0x02000000
+#define TMIO_STAT_ILL_FUNC      0x20000000
+#define TMIO_STAT_CMD_BUSY      0x40000000
+#define TMIO_STAT_ILL_ACCESS    0x80000000
+
+/* Define some IRQ masks */
+/* This is the mask used at reset by the chip */
+#define TMIO_MASK_ALL           0x837f031d
+#define TMIO_MASK_READOP  (TMIO_STAT_RXRDY | TMIO_STAT_DATAEND | \
+		TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
+#define TMIO_MASK_WRITEOP (TMIO_STAT_TXRQ | TMIO_STAT_DATAEND | \
+		TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
+#define TMIO_MASK_CMD     (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT | \
+		TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
+#define TMIO_MASK_IRQ     (TMIO_MASK_READOP | TMIO_MASK_WRITEOP | TMIO_MASK_CMD)
+
+#define enable_mmc_irqs(ctl, i) \
+	do { \
+		u32 mask;\
+		mask  = tmio_ioread32((ctl) + CTL_IRQ_MASK); \
+		mask &= ~((i) & TMIO_MASK_IRQ); \
+		tmio_iowrite32(mask, (ctl) + CTL_IRQ_MASK); \
+	} while (0)
+
+#define disable_mmc_irqs(ctl, i) \
+	do { \
+		u32 mask;\
+		mask  = tmio_ioread32((ctl) + CTL_IRQ_MASK); \
+		mask |= ((i) & TMIO_MASK_IRQ); \
+		tmio_iowrite32(mask, (ctl) + CTL_IRQ_MASK); \
+	} while (0)
+
+#define ack_mmc_irqs(ctl, i) \
+	do { \
+		u32 mask;\
+		mask  = tmio_ioread32((ctl) + CTL_STATUS); \
+		mask &= ~((i) & TMIO_MASK_IRQ); \
+		tmio_iowrite32(mask, (ctl) + CTL_STATUS); \
+	} while (0)
+
+
+struct tmio_mmc_host {
+	void __iomem *cnf;
+	void __iomem *ctl;
+	struct mmc_command      *cmd;
+	struct mmc_request      *mrq;
+	struct mmc_data         *data;
+	struct mmc_host         *mmc;
+	int                     irq;
+
+	/* pio related stuff */
+	struct scatterlist      *sg_ptr;
+	unsigned int            sg_len;
+	unsigned int            sg_off;
+};
+
+#include <linux/scatterlist.h>
+#include <linux/blkdev.h>
+
+static inline void tmio_mmc_init_sg(struct tmio_mmc_host *host,
+	struct mmc_data *data)
+{
+	host->sg_len = data->sg_len;
+	host->sg_ptr = data->sg;
+	host->sg_off = 0;
+}
+
+static inline int tmio_mmc_next_sg(struct tmio_mmc_host *host)
+{
+	host->sg_ptr = sg_next(host->sg_ptr);
+	host->sg_off = 0;
+	return --host->sg_len;
+}
+
+static inline char *tmio_mmc_kmap_atomic(struct tmio_mmc_host *host,
+	unsigned long *flags)
+{
+	struct scatterlist *sg = host->sg_ptr;
+
+	local_irq_save(*flags);
+	return kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset;
+}
+
+static inline void tmio_mmc_kunmap_atomic(struct tmio_mmc_host *host,
+	unsigned long *flags)
+{
+	kunmap_atomic(sg_page(host->sg_ptr), KM_BIO_SRC_IRQ);
+	local_irq_restore(*flags);
+}
+
+#ifdef CONFIG_MMC_DEBUG
+
+#define STATUS_TO_TEXT(a) \
+	do { \
+		if (status & TMIO_STAT_##a) \
+			printf(#a); \
+	} while (0)
+
+void debug_status(u32 status)
+{
+	printk(KERN_DEBUG "status: %08x = ", status);
+	STATUS_TO_TEXT(CARD_REMOVE);
+	STATUS_TO_TEXT(CARD_INSERT);
+	STATUS_TO_TEXT(SIGSTATE);
+	STATUS_TO_TEXT(WRPROTECT);
+	STATUS_TO_TEXT(CARD_REMOVE_A);
+	STATUS_TO_TEXT(CARD_INSERT_A);
+	STATUS_TO_TEXT(SIGSTATE_A);
+	STATUS_TO_TEXT(CMD_IDX_ERR);
+	STATUS_TO_TEXT(STOPBIT_ERR);
+	STATUS_TO_TEXT(ILL_FUNC);
+	STATUS_TO_TEXT(CMD_BUSY);
+	STATUS_TO_TEXT(CMDRESPEND);
+	STATUS_TO_TEXT(DATAEND);
+	STATUS_TO_TEXT(CRCFAIL);
+	STATUS_TO_TEXT(DATATIMEOUT);
+	STATUS_TO_TEXT(CMDTIMEOUT);
+	STATUS_TO_TEXT(RXOVERFLOW);
+	STATUS_TO_TEXT(TXUNDERRUN);
+	STATUS_TO_TEXT(RXRDY);
+	STATUS_TO_TEXT(TXRQ);
+	STATUS_TO_TEXT(ILL_ACCESS);
+	printk("\n");
+}
+
+#else
+#define pr_debug_status(s)  do { } while (0)
+#endif

drivers/mtd/nand/Kconfig

@@ -351,6 +351,13 @@ config MTD_NAND_PASEMI
 	  Enables support for NAND Flash interface on PA Semi PWRficient
 	  based boards
 
+config MTD_NAND_TMIO
+	tristate "NAND Flash device on Toshiba Mobile IO Controller"
+	depends on MTD_NAND && MFD_TMIO
+	help
+	  Support for NAND flash connected to a Toshiba Mobile IO
+	  Controller in some PDAs, including the Sharp SL6000x.
+
 config MTD_NAND_NANDSIM
 	tristate "Support for NAND Flash Simulator"
 	depends on MTD_PARTITIONS

drivers/mtd/nand/Makefile

@@ -27,6 +27,7 @@ obj-$(CONFIG_MTD_NAND_ATMEL)		+= atmel_nand.o
 obj-$(CONFIG_MTD_NAND_CM_X270)		+= cmx270_nand.o
 obj-$(CONFIG_MTD_NAND_BASLER_EXCITE)	+= excite_nandflash.o
 obj-$(CONFIG_MTD_NAND_PXA3xx)		+= pxa3xx_nand.o
+obj-$(CONFIG_MTD_NAND_TMIO)		+= tmio_nand.o
 obj-$(CONFIG_MTD_NAND_PLATFORM)		+= plat_nand.o
 obj-$(CONFIG_MTD_ALAUDA)		+= alauda.o
 obj-$(CONFIG_MTD_NAND_PASEMI)		+= pasemi_nand.o

include/linux/mfd/t7l66xb.h

+/*
+ * This file contains the definitions for the T7L66XB
+ *
+ * (C) Copyright 2005 Ian Molton <spyro@f2s.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#ifndef MFD_T7L66XB_H
+#define MFD_T7L66XB_H
+
+#include <linux/mfd/core.h>
+#include <linux/mfd/tmio.h>
+
+struct t7l66xb_platform_data {
+	int (*enable_clk32k)(struct platform_device *dev);
+	void (*disable_clk32k)(struct platform_device *dev);
+	int (*enable)(struct platform_device *dev);
+	int (*disable)(struct platform_device *dev);
+	int (*suspend)(struct platform_device *dev);
+	int (*resume)(struct platform_device *dev);
+
+	int irq_base; /* The base for subdevice irqs */
+
+	struct tmio_nand_data *nand_data;
+};
+
+
+#define IRQ_T7L66XB_MMC        (1)
+#define IRQ_T7L66XB_NAND       (3)
+
+#define T7L66XB_NR_IRQS	8
+
+#endif

include/linux/mfd/tc6387xb.h

+/*
+ * This file contains the definitions for the TC6387XB
+ *
+ * (C) Copyright 2005 Ian Molton <spyro@f2s.com>
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ */
+#ifndef MFD_TC6387XB_H
+#define MFD_TC6387XB_H
+
+struct tc6387xb_platform_data {
+	int (*enable_clk32k)(struct platform_device *dev);
+	void (*disable_clk32k)(struct platform_device *dev);
+
+	int (*enable)(struct platform_device *dev);
+	int (*disable)(struct platform_device *dev);
+	int (*suspend)(struct platform_device *dev);
+	int (*resume)(struct platform_device *dev);
+};
+
+#endif

include/linux/mfd/tc6393xb.h

@@ -14,8 +14,8 @@
  * published by the Free Software Foundation.
  */
 
-#ifndef TC6393XB_H
-#define TC6393XB_H
+#ifndef MFD_TC6393XB_H
+#define MFD_TC6393XB_H
 
 /* Also one should provide the CK3P6MI clock */
 struct tc6393xb_platform_data {
@@ -29,7 +29,7 @@ struct tc6393xb_platform_data {
 	int	(*suspend)(struct platform_device *dev);
 	int	(*resume)(struct platform_device *dev);
 
-	int	irq_base;	/* a base for cascaded irq */
+	int	irq_base;	/* base for subdevice irqs */
 	int	gpio_base;
 
 	struct tmio_nand_data	*nand_data;
@@ -40,9 +40,6 @@ struct tc6393xb_platform_data {
  */
 #define	IRQ_TC6393_NAND		0
 #define	IRQ_TC6393_MMC		1
-#define	IRQ_TC6393_OHCI		2
-#define	IRQ_TC6393_SERIAL	3
-#define	IRQ_TC6393_FB		4
 
 #define	TC6393XB_NR_IRQS	8
 

include/linux/mfd/tmio.h

 #ifndef MFD_TMIO_H
 #define MFD_TMIO_H
 
+#define tmio_ioread8(addr) readb(addr)
+#define tmio_ioread16(addr) readw(addr)
+#define tmio_ioread16_rep(r, b, l) readsw(r, b, l)
+#define tmio_ioread32(addr) \
+	(((u32) readw((addr))) | (((u32) readw((addr) + 2)) << 16))
+
+#define tmio_iowrite8(val, addr) writeb((val), (addr))
+#define tmio_iowrite16(val, addr) writew((val), (addr))
+#define tmio_iowrite16_rep(r, b, l) writesw(r, b, l)
+#define tmio_iowrite32(val, addr) \
+	do { \
+	writew((val),       (addr)); \
+	writew((val) >> 16, (addr) + 2); \
+	} while (0)
+
 /*
  * data for the NAND controller
  */
@@ -10,8 +25,4 @@ struct tmio_nand_data {
 	unsigned int		num_partitions;
 };
 
-#define TMIO_NAND_CONFIG	"tmio-nand-config"
-#define TMIO_NAND_CONTROL	"tmio-nand-control"
-#define TMIO_NAND_IRQ		"tmio-nand"
-
 #endif