Merge branch 'for-lak' of git://git.linuxtogo.org/home/thesing/collie into sa1100

7 files changed, 91 insertions, 328 deletions

diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
index 57271cb3b31..84815f9ef63 100644
--- a/drivers/mfd/mcp-core.c
+++ b/drivers/mfd/mcp-core.c
@@ -17,11 +17,11 @@
 #include <linux/device.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/mfd/mcp.h>
 
 #include <mach/dma.h>
 #include <asm/system.h>
 
-#include "mcp.h"
 
 #define to_mcp(d)               container_of(d, struct mcp, attached_device)
 #define to_mcp_driver(d)        container_of(d, struct mcp_driver, drv)
diff --git a/drivers/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c
index 62b32dabf62..25842723272 100644
--- a/drivers/mfd/mcp-sa11x0.c
+++ b/drivers/mfd/mcp-sa11x0.c
@@ -19,6 +19,7 @@
 #include <linux/spinlock.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
+#include <linux/mfd/mcp.h>
 
 #include <mach/dma.h>
 #include <mach/hardware.h>
@@ -28,7 +29,6 @@
 
 #include <mach/assabet.h>
 
-#include "mcp.h"
 
 struct mcp_sa11x0 {
         u32     mccr0;
@@ -163,6 +163,7 @@ static int mcp_sa11x0_probe(struct platform_device *pdev)
         mcp->dma_audio_wr       = DMA_Ser4MCP0Wr;
         mcp->dma_telco_rd       = DMA_Ser4MCP1Rd;
         mcp->dma_telco_wr       = DMA_Ser4MCP1Wr;
+        mcp->gpio_base          = data->gpio_base;
 
         platform_set_drvdata(pdev, mcp);
 
diff --git a/drivers/mfd/mcp.h b/drivers/mfd/mcp.h
deleted file mode 100644
index c093a93b880..00000000000
--- a/drivers/mfd/mcp.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- *  linux/drivers/mfd/mcp.h
- *
- *  Copyright (C) 2001 Russell King, 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 of the License.
- */
-#ifndef MCP_H
-#define MCP_H
-
-struct mcp_ops;
-
-struct mcp {
-        struct module   *owner;
-        struct mcp_ops  *ops;
-        spinlock_t      lock;
-        int             use_count;
-        unsigned int    sclk_rate;
-        unsigned int    rw_timeout;
-        dma_device_t    dma_audio_rd;
-        dma_device_t    dma_audio_wr;
-        dma_device_t    dma_telco_rd;
-        dma_device_t    dma_telco_wr;
-        struct device   attached_device;
-};
-
-struct mcp_ops {
-        void            (*set_telecom_divisor)(struct mcp *, unsigned int);
-        void            (*set_audio_divisor)(struct mcp *, unsigned int);
-        void            (*reg_write)(struct mcp *, unsigned int, unsigned int);
-        unsigned int    (*reg_read)(struct mcp *, unsigned int);
-        void            (*enable)(struct mcp *);
-        void            (*disable)(struct mcp *);
-};
-
-void mcp_set_telecom_divisor(struct mcp *, unsigned int);
-void mcp_set_audio_divisor(struct mcp *, unsigned int);
-void mcp_reg_write(struct mcp *, unsigned int, unsigned int);
-unsigned int mcp_reg_read(struct mcp *, unsigned int);
-void mcp_enable(struct mcp *);
-void mcp_disable(struct mcp *);
-#define mcp_get_sclk_rate(mcp)  ((mcp)->sclk_rate)
-
-struct mcp *mcp_host_alloc(struct device *, size_t);
-int mcp_host_register(struct mcp *);
-void mcp_host_unregister(struct mcp *);
-
-struct mcp_driver {
-        struct device_driver drv;
-        int (*probe)(struct mcp *);
-        void (*remove)(struct mcp *);
-        int (*suspend)(struct mcp *, pm_message_t);
-        int (*resume)(struct mcp *);
-};
-
-int mcp_driver_register(struct mcp_driver *);
-void mcp_driver_unregister(struct mcp_driver *);
-
-#define mcp_get_drvdata(mcp)    dev_get_drvdata(&(mcp)->attached_device)
-#define mcp_set_drvdata(mcp,d)  dev_set_drvdata(&(mcp)->attached_device, d)
-
-#define mcp_priv(mcp)           ((void *)((mcp)+1))
-
-#endif
diff --git a/drivers/mfd/ucb1x00-assabet.c b/drivers/mfd/ucb1x00-assabet.c
index 86fed4870f9..cea9da60850 100644
--- a/drivers/mfd/ucb1x00-assabet.c
+++ b/drivers/mfd/ucb1x00-assabet.c
@@ -14,10 +14,10 @@
 #include <linux/fs.h>
 #include <linux/proc_fs.h>
 #include <linux/device.h>
+#include <linux/mfd/ucb1x00.h>
 
 #include <mach/dma.h>
 
-#include "ucb1x00.h"
 
 #define UCB1X00_ATTR(name,input)\
 static ssize_t name##_show(struct device *dev, struct device_attribute *attr, \
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 60c3988f3cf..252b74188ec 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -25,12 +25,12 @@
 #include <linux/interrupt.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
+#include <linux/mfd/ucb1x00.h>
+#include <linux/gpio.h>
 
 #include <mach/dma.h>
 #include <mach/hardware.h>
 
-#include "ucb1x00.h"
-
 static DEFINE_MUTEX(ucb1x00_mutex);
 static LIST_HEAD(ucb1x00_drivers);
 static LIST_HEAD(ucb1x00_devices);
@@ -108,6 +108,60 @@ unsigned int ucb1x00_io_read(struct ucb1x00 *ucb)
         return ucb1x00_reg_read(ucb, UCB_IO_DATA);
 }
 
+static void ucb1x00_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+        struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
+        unsigned long flags;
+
+        spin_lock_irqsave(&ucb->io_lock, flags);
+        if (value)
+                ucb->io_out |= 1 << offset;
+        else
+                ucb->io_out &= ~(1 << offset);
+
+        ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
+        spin_unlock_irqrestore(&ucb->io_lock, flags);
+}
+
+static int ucb1x00_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+        struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
+        return ucb1x00_reg_read(ucb, UCB_IO_DATA) & (1 << offset);
+}
+
+static int ucb1x00_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
+{
+        struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
+        unsigned long flags;
+
+        spin_lock_irqsave(&ucb->io_lock, flags);
+        ucb->io_dir &= ~(1 << offset);
+        ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
+        spin_unlock_irqrestore(&ucb->io_lock, flags);
+
+        return 0;
+}
+
+static int ucb1x00_gpio_direction_output(struct gpio_chip *chip, unsigned offset
+                , int value)
+{
+        struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
+        unsigned long flags;
+
+        spin_lock_irqsave(&ucb->io_lock, flags);
+        ucb->io_dir |= (1 << offset);
+        ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
+
+        if (value)
+                ucb->io_out |= 1 << offset;
+        else
+                ucb->io_out &= ~(1 << offset);
+        ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out);
+        spin_unlock_irqrestore(&ucb->io_lock, flags);
+
+        return 0;
+}
+
 /*
  * UCB1300 data sheet says we must:
  *  1. enable ADC       => 5us (including reference startup time)
@@ -476,6 +530,7 @@ static int ucb1x00_probe(struct mcp *mcp)
         struct ucb1x00_driver *drv;
         unsigned int id;
         int ret = -ENODEV;
+        int temp;
 
         mcp_enable(mcp);
         id = mcp_reg_read(mcp, UCB_ID);
@@ -508,12 +563,27 @@ static int ucb1x00_probe(struct mcp *mcp)
                 goto err_free;
         }
 
+        ucb->gpio.base = -1;
+        if (mcp->gpio_base != 0) {
+                ucb->gpio.label = dev_name(&ucb->dev);
+                ucb->gpio.base = mcp->gpio_base;
+                ucb->gpio.ngpio = 10;
+                ucb->gpio.set = ucb1x00_gpio_set;
+                ucb->gpio.get = ucb1x00_gpio_get;
+                ucb->gpio.direction_input = ucb1x00_gpio_direction_input;
+                ucb->gpio.direction_output = ucb1x00_gpio_direction_output;
+                ret = gpiochip_add(&ucb->gpio);
+                if (ret)
+                        goto err_free;
+        } else
+                dev_info(&ucb->dev, "gpio_base not set so no gpiolib support");
+
         ret = request_irq(ucb->irq, ucb1x00_irq, IRQF_TRIGGER_RISING,
                           "UCB1x00", ucb);
         if (ret) {
                 printk(KERN_ERR "ucb1x00: unable to grab irq%d: %d\n",
                         ucb->irq, ret);
-                goto err_free;
+                goto err_gpio;
         }
 
         mcp_set_drvdata(mcp, ucb);
@@ -522,6 +592,7 @@ static int ucb1x00_probe(struct mcp *mcp)
         if (ret)
                 goto err_irq;
 
+
         INIT_LIST_HEAD(&ucb->devs);
         mutex_lock(&ucb1x00_mutex);
         list_add(&ucb->node, &ucb1x00_devices);
@@ -529,10 +600,14 @@ static int ucb1x00_probe(struct mcp *mcp)
                 ucb1x00_add_dev(ucb, drv);
         }
         mutex_unlock(&ucb1x00_mutex);
+
         goto out;
 
  err_irq:
         free_irq(ucb->irq, ucb);
+ err_gpio:
+        if (ucb->gpio.base != -1)
+                temp = gpiochip_remove(&ucb->gpio);
  err_free:
         kfree(ucb);
  err_disable:
@@ -545,6 +620,7 @@ static void ucb1x00_remove(struct mcp *mcp)
 {
         struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
         struct list_head *l, *n;
+        int ret;
 
         mutex_lock(&ucb1x00_mutex);
         list_del(&ucb->node);
@@ -554,6 +630,12 @@ static void ucb1x00_remove(struct mcp *mcp)
         }
         mutex_unlock(&ucb1x00_mutex);
 
+        if (ucb->gpio.base != -1) {
+                ret = gpiochip_remove(&ucb->gpio);
+                if (ret)
+                        dev_err(&ucb->dev, "Can't remove gpio chip: %d\n", ret);
+        }
+
         free_irq(ucb->irq, ucb);
         device_unregister(&ucb->dev);
 }
@@ -604,6 +686,7 @@ static int ucb1x00_resume(struct mcp *mcp)
         struct ucb1x00 *ucb = mcp_get_drvdata(mcp);
         struct ucb1x00_dev *dev;
 
+        ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir);
         mutex_lock(&ucb1x00_mutex);
         list_for_each_entry(dev, &ucb->devs, dev_node) {
                 if (dev->drv->resume)
diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c
index 61b7d3eb9a2..000cb414a78 100644
--- a/drivers/mfd/ucb1x00-ts.c
+++ b/drivers/mfd/ucb1x00-ts.c
@@ -30,12 +30,12 @@
 #include <linux/freezer.h>
 #include <linux/slab.h>
 #include <linux/kthread.h>
+#include <linux/mfd/ucb1x00.h>
 
 #include <mach/dma.h>
 #include <mach/collie.h>
 #include <asm/mach-types.h>
 
-#include "ucb1x00.h"
 
 
 struct ucb1x00_ts {
diff --git a/drivers/mfd/ucb1x00.h b/drivers/mfd/ucb1x00.h
deleted file mode 100644
index a8ad8a0ed5d..00000000000
--- a/drivers/mfd/ucb1x00.h
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- *  linux/drivers/mfd/ucb1x00.h
- *
- *  Copyright (C) 2001 Russell King, 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 of the License.
- */
-#ifndef UCB1200_H
-#define UCB1200_H
-
-#define UCB_IO_DATA     0x00
-#define UCB_IO_DIR      0x01
-
-#define UCB_IO_0                (1 << 0)
-#define UCB_IO_1                (1 << 1)
-#define UCB_IO_2                (1 << 2)
-#define UCB_IO_3                (1 << 3)
-#define UCB_IO_4                (1 << 4)
-#define UCB_IO_5                (1 << 5)
-#define UCB_IO_6                (1 << 6)
-#define UCB_IO_7                (1 << 7)
-#define UCB_IO_8                (1 << 8)
-#define UCB_IO_9                (1 << 9)
-
-#define UCB_IE_RIS      0x02
-#define UCB_IE_FAL      0x03
-#define UCB_IE_STATUS   0x04
-#define UCB_IE_CLEAR    0x04
-#define UCB_IE_ADC              (1 << 11)
-#define UCB_IE_TSPX             (1 << 12)
-#define UCB_IE_TSMX             (1 << 13)
-#define UCB_IE_TCLIP            (1 << 14)
-#define UCB_IE_ACLIP            (1 << 15)
-
-#define UCB_IRQ_TSPX            12
-
-#define UCB_TC_A        0x05
-#define UCB_TC_A_LOOP           (1 << 7)        /* UCB1200 */
-#define UCB_TC_A_AMPL           (1 << 7)        /* UCB1300 */
-
-#define UCB_TC_B        0x06
-#define UCB_TC_B_VOICE_ENA      (1 << 3)
-#define UCB_TC_B_CLIP           (1 << 4)
-#define UCB_TC_B_ATT            (1 << 6)
-#define UCB_TC_B_SIDE_ENA       (1 << 11)
-#define UCB_TC_B_MUTE           (1 << 13)
-#define UCB_TC_B_IN_ENA         (1 << 14)
-#define UCB_TC_B_OUT_ENA        (1 << 15)
-
-#define UCB_AC_A        0x07
-#define UCB_AC_B        0x08
-#define UCB_AC_B_LOOP           (1 << 8)
-#define UCB_AC_B_MUTE           (1 << 13)
-#define UCB_AC_B_IN_ENA         (1 << 14)
-#define UCB_AC_B_OUT_ENA        (1 << 15)
-
-#define UCB_TS_CR       0x09
-#define UCB_TS_CR_TSMX_POW      (1 << 0)
-#define UCB_TS_CR_TSPX_POW      (1 << 1)
-#define UCB_TS_CR_TSMY_POW      (1 << 2)
-#define UCB_TS_CR_TSPY_POW      (1 << 3)
-#define UCB_TS_CR_TSMX_GND      (1 << 4)
-#define UCB_TS_CR_TSPX_GND      (1 << 5)
-#define UCB_TS_CR_TSMY_GND      (1 << 6)
-#define UCB_TS_CR_TSPY_GND      (1 << 7)
-#define UCB_TS_CR_MODE_INT      (0 << 8)
-#define UCB_TS_CR_MODE_PRES     (1 << 8)
-#define UCB_TS_CR_MODE_POS      (2 << 8)
-#define UCB_TS_CR_BIAS_ENA      (1 << 11)
-#define UCB_TS_CR_TSPX_LOW      (1 << 12)
-#define UCB_TS_CR_TSMX_LOW      (1 << 13)
-
-#define UCB_ADC_CR      0x0a
-#define UCB_ADC_SYNC_ENA        (1 << 0)
-#define UCB_ADC_VREFBYP_CON     (1 << 1)
-#define UCB_ADC_INP_TSPX        (0 << 2)
-#define UCB_ADC_INP_TSMX        (1 << 2)
-#define UCB_ADC_INP_TSPY        (2 << 2)
-#define UCB_ADC_INP_TSMY        (3 << 2)
-#define UCB_ADC_INP_AD0         (4 << 2)
-#define UCB_ADC_INP_AD1         (5 << 2)
-#define UCB_ADC_INP_AD2         (6 << 2)
-#define UCB_ADC_INP_AD3         (7 << 2)
-#define UCB_ADC_EXT_REF         (1 << 5)
-#define UCB_ADC_START           (1 << 7)
-#define UCB_ADC_ENA             (1 << 15)
-
-#define UCB_ADC_DATA    0x0b
-#define UCB_ADC_DAT_VAL         (1 << 15)
-#define UCB_ADC_DAT(x)          (((x) & 0x7fe0) >> 5)
-
-#define UCB_ID          0x0c
-#define UCB_ID_1200             0x1004
-#define UCB_ID_1300             0x1005
-#define UCB_ID_TC35143          0x9712
-
-#define UCB_MODE        0x0d
-#define UCB_MODE_DYN_VFLAG_ENA  (1 << 12)
-#define UCB_MODE_AUD_OFF_CAN    (1 << 13)
-
-#include "mcp.h"
-
-struct ucb1x00_irq {
-        void *devid;
-        void (*fn)(int, void *);
-};
-
-struct ucb1x00 {
-        spinlock_t              lock;
-        struct mcp              *mcp;
-        unsigned int            irq;
-        struct semaphore        adc_sem;
-        spinlock_t              io_lock;
-        u16                     id;
-        u16                     io_dir;
-        u16                     io_out;
-        u16                     adc_cr;
-        u16                     irq_fal_enbl;
-        u16                     irq_ris_enbl;
-        struct ucb1x00_irq      irq_handler[16];
-        struct device           dev;
-        struct list_head        node;
-        struct list_head        devs;
-};
-
-struct ucb1x00_driver;
-
-struct ucb1x00_dev {
-        struct list_head        dev_node;
-        struct list_head        drv_node;
-        struct ucb1x00          *ucb;
-        struct ucb1x00_driver   *drv;
-        void                    *priv;
-};
-
-struct ucb1x00_driver {
-        struct list_head        node;
-        struct list_head        devs;
-        int     (*add)(struct ucb1x00_dev *dev);
-        void    (*remove)(struct ucb1x00_dev *dev);
-        int     (*suspend)(struct ucb1x00_dev *dev, pm_message_t state);
-        int     (*resume)(struct ucb1x00_dev *dev);
-};
-
-#define classdev_to_ucb1x00(cd) container_of(cd, struct ucb1x00, dev)
-
-int ucb1x00_register_driver(struct ucb1x00_driver *);
-void ucb1x00_unregister_driver(struct ucb1x00_driver *);
-
-/**
- *      ucb1x00_clkrate - return the UCB1x00 SIB clock rate
- *      @ucb: UCB1x00 structure describing chip
- *
- *      Return the SIB clock rate in Hz.
- */
-static inline unsigned int ucb1x00_clkrate(struct ucb1x00 *ucb)
-{
-        return mcp_get_sclk_rate(ucb->mcp);
-}
-
-/**
- *      ucb1x00_enable - enable the UCB1x00 SIB clock
- *      @ucb: UCB1x00 structure describing chip
- *
- *      Enable the SIB clock.  This can be called multiple times.
- */
-static inline void ucb1x00_enable(struct ucb1x00 *ucb)
-{
-        mcp_enable(ucb->mcp);
-}
-
-/**
- *      ucb1x00_disable - disable the UCB1x00 SIB clock
- *      @ucb: UCB1x00 structure describing chip
- *
- *      Disable the SIB clock.  The SIB clock will only be disabled
- *      when the number of ucb1x00_enable calls match the number of
- *      ucb1x00_disable calls.
- */
-static inline void ucb1x00_disable(struct ucb1x00 *ucb)
-{
-        mcp_disable(ucb->mcp);
-}
-
-/**
- *      ucb1x00_reg_write - write a UCB1x00 register
- *      @ucb: UCB1x00 structure describing chip
- *      @reg: UCB1x00 4-bit register index to write
- *      @val: UCB1x00 16-bit value to write
- *
- *      Write the UCB1x00 register @reg with value @val.  The SIB
- *      clock must be running for this function to return.
- */
-static inline void ucb1x00_reg_write(struct ucb1x00 *ucb, unsigned int reg, unsigned int val)
-{
-        mcp_reg_write(ucb->mcp, reg, val);
-}
-
-/**
- *      ucb1x00_reg_read - read a UCB1x00 register
- *      @ucb: UCB1x00 structure describing chip
- *      @reg: UCB1x00 4-bit register index to write
- *
- *      Read the UCB1x00 register @reg and return its value.  The SIB
- *      clock must be running for this function to return.
- */
-static inline unsigned int ucb1x00_reg_read(struct ucb1x00 *ucb, unsigned int reg)
-{
-        return mcp_reg_read(ucb->mcp, reg);
-}
-/**
- *      ucb1x00_set_audio_divisor - 
- *      @ucb: UCB1x00 structure describing chip
- *      @div: SIB clock divisor
- */
-static inline void ucb1x00_set_audio_divisor(struct ucb1x00 *ucb, unsigned int div)
-{
-        mcp_set_audio_divisor(ucb->mcp, div);
-}
-
-/**
- *      ucb1x00_set_telecom_divisor -
- *      @ucb: UCB1x00 structure describing chip
- *      @div: SIB clock divisor
- */
-static inline void ucb1x00_set_telecom_divisor(struct ucb1x00 *ucb, unsigned int div)
-{
-        mcp_set_telecom_divisor(ucb->mcp, div);
-}
-
-void ucb1x00_io_set_dir(struct ucb1x00 *ucb, unsigned int, unsigned int);
-void ucb1x00_io_write(struct ucb1x00 *ucb, unsigned int, unsigned int);
-unsigned int ucb1x00_io_read(struct ucb1x00 *ucb);
-
-#define UCB_NOSYNC      (0)
-#define UCB_SYNC        (1)
-
-unsigned int ucb1x00_adc_read(struct ucb1x00 *ucb, int adc_channel, int sync);
-void ucb1x00_adc_enable(struct ucb1x00 *ucb);
-void ucb1x00_adc_disable(struct ucb1x00 *ucb);
-
-/*
- * Which edges of the IRQ do you want to control today?
- */
-#define UCB_RISING      (1 << 0)
-#define UCB_FALLING     (1 << 1)
-
-int ucb1x00_hook_irq(struct ucb1x00 *ucb, unsigned int idx, void (*fn)(int, void *), void *devid);
-void ucb1x00_enable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges);
-void ucb1x00_disable_irq(struct ucb1x00 *ucb, unsigned int idx, int edges);
-int ucb1x00_free_irq(struct ucb1x00 *ucb, unsigned int idx, void *devid);
-
-#endif