[MIPS] vr41xx: Removed old v2.4 VRC4173 driver

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 1 insertions, 590 deletions

diff --git a/arch/mips/vr41xx/Kconfig b/arch/mips/vr41xx/Kconfig
index 6046ef23b2bf..92f41f6f934a 100644
--- a/arch/mips/vr41xx/Kconfig
+++ b/arch/mips/vr41xx/Kconfig
@@ -86,9 +86,3 @@ config PCI_VR41XX
 	depends on MACH_VR41XX && HW_HAS_PCI
 	default y
 	select PCI
-
-config VRC4173
-	tristate "Add NEC VRC4173 companion chip support"
-	depends on MACH_VR41XX && PCI_VR41XX
-	help
-	  The NEC VRC4173 is a companion chip for NEC VR4122/VR4131.
diff --git a/arch/mips/vr41xx/common/Makefile b/arch/mips/vr41xx/common/Makefile
index aa373974c80f..975d5caf9d1b 100644
--- a/arch/mips/vr41xx/common/Makefile
+++ b/arch/mips/vr41xx/common/Makefile
@@ -2,7 +2,6 @@
 # Makefile for common code of the NEC VR4100 series.
 #
 
-obj-y				+= bcu.o cmu.o icu.o init.o irq.o pmu.o type.o
-obj-$(CONFIG_VRC4173)		+= vrc4173.o
+obj-y	+= bcu.o cmu.o icu.o init.o irq.o pmu.o type.o
 
 EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/vr41xx/common/vrc4173.c b/arch/mips/vr41xx/common/vrc4173.c
deleted file mode 100644
index 3f1ae9721e4e..000000000000
--- a/arch/mips/vr41xx/common/vrc4173.c
+++ /dev/null
@@ -1,582 +0,0 @@
-/*
- *  vrc4173.c, NEC VRC4173 base driver for NEC VR4122/VR4131.
- *
- *  Copyright (C) 2001-2003  MontaVista Software Inc.
- *    Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com>
- *  Copyright (C) 2004  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
- *  Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
- *
- *  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, 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, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/pci.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <asm/vr41xx/irq.h>
-#include <asm/vr41xx/vr41xx.h>
-#include <asm/vr41xx/vrc4173.h>
-
-MODULE_DESCRIPTION("NEC VRC4173 base driver for NEC VR4122/4131");
-MODULE_AUTHOR("Yoichi Yuasa <yyuasa@mvista.com>");
-MODULE_LICENSE("GPL");
-
-#define VRC4173_CMUCLKMSK	0x040
- #define MSKPIU			0x0001
- #define MSKKIU			0x0002
- #define MSKAIU			0x0004
- #define MSKPS2CH1		0x0008
- #define MSKPS2CH2		0x0010
- #define MSKUSB			0x0020
- #define MSKCARD1		0x0040
- #define MSKCARD2		0x0080
- #define MSKAC97		0x0100
- #define MSK48MUSB		0x0400
- #define MSK48MPIN		0x0800
- #define MSK48MOSC		0x1000
-#define VRC4173_CMUSRST		0x042
- #define USBRST			0x0001
- #define CARD1RST		0x0002
- #define CARD2RST		0x0004
- #define AC97RST		0x0008
-
-#define VRC4173_SYSINT1REG	0x060
-#define VRC4173_MSYSINT1REG	0x06c
-#define VRC4173_MPIUINTREG	0x06e
-#define VRC4173_MAIUINTREG	0x070
-#define VRC4173_MKIUINTREG	0x072
-
-#define VRC4173_SELECTREG	0x09e
- #define SEL3			0x0008
- #define SEL2			0x0004
- #define SEL1			0x0002
- #define SEL0			0x0001
-
-static struct pci_device_id vrc4173_id_table[] __devinitdata = {
-	{	.vendor		= PCI_VENDOR_ID_NEC,
-		.device		= PCI_DEVICE_ID_NEC_VRC4173,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,			},
-	{	.vendor		= 0,				},
-};
-
-unsigned long vrc4173_io_offset = 0;
-
-EXPORT_SYMBOL(vrc4173_io_offset);
-
-static int vrc4173_initialized;
-static uint16_t vrc4173_cmuclkmsk;
-static uint16_t vrc4173_selectreg;
-static DEFINE_SPINLOCK(vrc4173_cmu_lock);
-static DEFINE_SPINLOCK(vrc4173_giu_lock);
-
-static inline void set_cmusrst(uint16_t val)
-{
-	uint16_t cmusrst;
-
-	cmusrst = vrc4173_inw(VRC4173_CMUSRST);
-	cmusrst |= val;
-	vrc4173_outw(cmusrst, VRC4173_CMUSRST);
-}
-
-static inline void clear_cmusrst(uint16_t val)
-{
-	uint16_t cmusrst;
-
-	cmusrst = vrc4173_inw(VRC4173_CMUSRST);
-	cmusrst &= ~val;
-	vrc4173_outw(cmusrst, VRC4173_CMUSRST);
-}
-
-void vrc4173_supply_clock(vrc4173_clock_t clock)
-{
-	if (vrc4173_initialized) {
-		spin_lock_irq(&vrc4173_cmu_lock);
-
-		switch (clock) {
-		case VRC4173_PIU_CLOCK:
-			vrc4173_cmuclkmsk |= MSKPIU;
-			break;
-		case VRC4173_KIU_CLOCK:
-			vrc4173_cmuclkmsk |= MSKKIU;
-			break;
-		case VRC4173_AIU_CLOCK:
-			vrc4173_cmuclkmsk |= MSKAIU;
-			break;
-		case VRC4173_PS2_CH1_CLOCK:
-			vrc4173_cmuclkmsk |= MSKPS2CH1;
-			break;
-		case VRC4173_PS2_CH2_CLOCK:
-			vrc4173_cmuclkmsk |= MSKPS2CH2;
-			break;
-		case VRC4173_USBU_PCI_CLOCK:
-			set_cmusrst(USBRST);
-			vrc4173_cmuclkmsk |= MSKUSB;
-			break;
-		case VRC4173_CARDU1_PCI_CLOCK:
-			set_cmusrst(CARD1RST);
-			vrc4173_cmuclkmsk |= MSKCARD1;
-			break;
-		case VRC4173_CARDU2_PCI_CLOCK:
-			set_cmusrst(CARD2RST);
-			vrc4173_cmuclkmsk |= MSKCARD2;
-			break;
-		case VRC4173_AC97U_PCI_CLOCK:
-			set_cmusrst(AC97RST);
-			vrc4173_cmuclkmsk |= MSKAC97;
-			break;
-		case VRC4173_USBU_48MHz_CLOCK:
-			set_cmusrst(USBRST);
-			vrc4173_cmuclkmsk |= MSK48MUSB;
-			break;
-		case VRC4173_EXT_48MHz_CLOCK:
-			if (vrc4173_cmuclkmsk & MSK48MOSC)
-				vrc4173_cmuclkmsk |= MSK48MPIN;
-			else
-				printk(KERN_WARNING
-				       "vrc4173_supply_clock: "
-				       "Please supply VRC4173_48MHz_CLOCK first "
-				       "rather than VRC4173_EXT_48MHz_CLOCK.\n");
-			break;
-		case VRC4173_48MHz_CLOCK:
-			vrc4173_cmuclkmsk |= MSK48MOSC;
-			break;
-		default:
-			printk(KERN_WARNING
-			       "vrc4173_supply_clock: Invalid CLOCK value %u\n", clock);
-			break;
-		}
-
-		vrc4173_outw(vrc4173_cmuclkmsk, VRC4173_CMUCLKMSK);
-
-		switch (clock) {
-		case VRC4173_USBU_PCI_CLOCK:
-		case VRC4173_USBU_48MHz_CLOCK:
-			clear_cmusrst(USBRST);
-			break;
-		case VRC4173_CARDU1_PCI_CLOCK:
-			clear_cmusrst(CARD1RST);
-			break;
-		case VRC4173_CARDU2_PCI_CLOCK:
-			clear_cmusrst(CARD2RST);
-			break;
-		case VRC4173_AC97U_PCI_CLOCK:
-			clear_cmusrst(AC97RST);
-			break;
-		default:
-			break;
-		}
-
-		spin_unlock_irq(&vrc4173_cmu_lock);
-	}
-}
-
-EXPORT_SYMBOL(vrc4173_supply_clock);
-
-void vrc4173_mask_clock(vrc4173_clock_t clock)
-{
-	if (vrc4173_initialized) {
-		spin_lock_irq(&vrc4173_cmu_lock);
-
-		switch (clock) {
-		case VRC4173_PIU_CLOCK:
-			vrc4173_cmuclkmsk &= ~MSKPIU;
-			break;
-		case VRC4173_KIU_CLOCK:
-			vrc4173_cmuclkmsk &= ~MSKKIU;
-			break;
-		case VRC4173_AIU_CLOCK:
-			vrc4173_cmuclkmsk &= ~MSKAIU;
-			break;
-		case VRC4173_PS2_CH1_CLOCK:
-			vrc4173_cmuclkmsk &= ~MSKPS2CH1;
-			break;
-		case VRC4173_PS2_CH2_CLOCK:
-			vrc4173_cmuclkmsk &= ~MSKPS2CH2;
-			break;
-		case VRC4173_USBU_PCI_CLOCK:
-			set_cmusrst(USBRST);
-			vrc4173_cmuclkmsk &= ~MSKUSB;
-			break;
-		case VRC4173_CARDU1_PCI_CLOCK:
-			set_cmusrst(CARD1RST);
-			vrc4173_cmuclkmsk &= ~MSKCARD1;
-			break;
-		case VRC4173_CARDU2_PCI_CLOCK:
-			set_cmusrst(CARD2RST);
-			vrc4173_cmuclkmsk &= ~MSKCARD2;
-			break;
-		case VRC4173_AC97U_PCI_CLOCK:
-			set_cmusrst(AC97RST);
-			vrc4173_cmuclkmsk &= ~MSKAC97;
-			break;
-		case VRC4173_USBU_48MHz_CLOCK:
-			set_cmusrst(USBRST);
-			vrc4173_cmuclkmsk &= ~MSK48MUSB;
-			break;
-		case VRC4173_EXT_48MHz_CLOCK:
-			vrc4173_cmuclkmsk &= ~MSK48MPIN;
-			break;
-		case VRC4173_48MHz_CLOCK:
-			vrc4173_cmuclkmsk &= ~MSK48MOSC;
-			break;
-		default:
-			printk(KERN_WARNING "vrc4173_mask_clock: Invalid CLOCK value %u\n", clock);
-			break;
-		}
-
-		vrc4173_outw(vrc4173_cmuclkmsk, VRC4173_CMUCLKMSK);
-
-		switch (clock) {
-		case VRC4173_USBU_PCI_CLOCK:
-		case VRC4173_USBU_48MHz_CLOCK:
-			clear_cmusrst(USBRST);
-			break;
-		case VRC4173_CARDU1_PCI_CLOCK:
-			clear_cmusrst(CARD1RST);
-			break;
-		case VRC4173_CARDU2_PCI_CLOCK:
-			clear_cmusrst(CARD2RST);
-			break;
-		case VRC4173_AC97U_PCI_CLOCK:
-			clear_cmusrst(AC97RST);
-			break;
-		default:
-			break;
-		}
-
-		spin_unlock_irq(&vrc4173_cmu_lock);
-	}
-}
-
-EXPORT_SYMBOL(vrc4173_mask_clock);
-
-static inline void vrc4173_cmu_init(void)
-{
-	vrc4173_cmuclkmsk = vrc4173_inw(VRC4173_CMUCLKMSK);
-
-	spin_lock_init(&vrc4173_cmu_lock);
-}
-
-void vrc4173_select_function(vrc4173_function_t function)
-{
-	if (vrc4173_initialized) {
-		spin_lock_irq(&vrc4173_giu_lock);
-
-		switch(function) {
-		case PS2_CHANNEL1:
-			vrc4173_selectreg |= SEL2;
-			break;
-		case PS2_CHANNEL2:
-			vrc4173_selectreg |= SEL1;
-			break;
-		case TOUCHPANEL:
-			vrc4173_selectreg &= SEL2 | SEL1 | SEL0;
-			break;
-		case KEYBOARD_8SCANLINES:
-			vrc4173_selectreg &= SEL3 | SEL2 | SEL1;
-			break;
-		case KEYBOARD_10SCANLINES:
-			vrc4173_selectreg &= SEL3 | SEL2;
-			break;
-		case KEYBOARD_12SCANLINES:
-			vrc4173_selectreg &= SEL3;
-			break;
-		case GPIO_0_15PINS:
-			vrc4173_selectreg |= SEL0;
-			break;
-		case GPIO_16_20PINS:
-			vrc4173_selectreg |= SEL3;
-			break;
-		}
-
-		vrc4173_outw(vrc4173_selectreg, VRC4173_SELECTREG);
-
-		spin_unlock_irq(&vrc4173_giu_lock);
-	}
-}
-
-EXPORT_SYMBOL(vrc4173_select_function);
-
-static inline void vrc4173_giu_init(void)
-{
-	vrc4173_selectreg = vrc4173_inw(VRC4173_SELECTREG);
-
-	spin_lock_init(&vrc4173_giu_lock);
-}
-
-void vrc4173_enable_piuint(uint16_t mask)
-{
-	struct irq_desc *desc = irq_desc + VRC4173_PIU_IRQ;
-	unsigned long flags;
-	uint16_t val;
-
-	spin_lock_irqsave(&desc->lock, flags);
-	val = vrc4173_inw(VRC4173_MPIUINTREG);
-	val |= mask;
-	vrc4173_outw(val, VRC4173_MPIUINTREG);
-	spin_unlock_irqrestore(&desc->lock, flags);
-}
-
-EXPORT_SYMBOL(vrc4173_enable_piuint);
-
-void vrc4173_disable_piuint(uint16_t mask)
-{
-	struct irq_desc *desc = irq_desc + VRC4173_PIU_IRQ;
-	unsigned long flags;
-	uint16_t val;
-
-	spin_lock_irqsave(&desc->lock, flags);
-	val = vrc4173_inw(VRC4173_MPIUINTREG);
-	val &= ~mask;
-	vrc4173_outw(val, VRC4173_MPIUINTREG);
-	spin_unlock_irqrestore(&desc->lock, flags);
-}
-
-EXPORT_SYMBOL(vrc4173_disable_piuint);
-
-void vrc4173_enable_aiuint(uint16_t mask)
-{
-	struct irq_desc *desc = irq_desc + VRC4173_AIU_IRQ;
-	unsigned long flags;
-	uint16_t val;
-
-	spin_lock_irqsave(&desc->lock, flags);
-	val = vrc4173_inw(VRC4173_MAIUINTREG);
-	val |= mask;
-	vrc4173_outw(val, VRC4173_MAIUINTREG);
-	spin_unlock_irqrestore(&desc->lock, flags);
-}
-
-EXPORT_SYMBOL(vrc4173_enable_aiuint);
-
-void vrc4173_disable_aiuint(uint16_t mask)
-{
-	struct irq_desc *desc = irq_desc + VRC4173_AIU_IRQ;
-	unsigned long flags;
-	uint16_t val;
-
-	spin_lock_irqsave(&desc->lock, flags);
-	val = vrc4173_inw(VRC4173_MAIUINTREG);
-	val &= ~mask;
-	vrc4173_outw(val, VRC4173_MAIUINTREG);
-	spin_unlock_irqrestore(&desc->lock, flags);
-}
-
-EXPORT_SYMBOL(vrc4173_disable_aiuint);
-
-void vrc4173_enable_kiuint(uint16_t mask)
-{
-	struct irq_desc *desc = irq_desc + VRC4173_KIU_IRQ;
-	unsigned long flags;
-	uint16_t val;
-
-	spin_lock_irqsave(&desc->lock, flags);
-	val = vrc4173_inw(VRC4173_MKIUINTREG);
-	val |= mask;
-	vrc4173_outw(val, VRC4173_MKIUINTREG);
-	spin_unlock_irqrestore(&desc->lock, flags);
-}
-
-EXPORT_SYMBOL(vrc4173_enable_kiuint);
-
-void vrc4173_disable_kiuint(uint16_t mask)
-{
-	struct irq_desc *desc = irq_desc + VRC4173_KIU_IRQ;
-	unsigned long flags;
-	uint16_t val;
-
-	spin_lock_irqsave(&desc->lock, flags);
-	val = vrc4173_inw(VRC4173_MKIUINTREG);
-	val &= ~mask;
-	vrc4173_outw(val, VRC4173_MKIUINTREG);
-	spin_unlock_irqrestore(&desc->lock, flags);
-}
-
-EXPORT_SYMBOL(vrc4173_disable_kiuint);
-
-static void enable_vrc4173_irq(unsigned int irq)
-{
-	uint16_t val;
-
-	val = vrc4173_inw(VRC4173_MSYSINT1REG);
-	val |= (uint16_t)1 << (irq - VRC4173_IRQ_BASE);
-	vrc4173_outw(val, VRC4173_MSYSINT1REG);
-}
-
-static void disable_vrc4173_irq(unsigned int irq)
-{
-	uint16_t val;
-
-	val = vrc4173_inw(VRC4173_MSYSINT1REG);
-	val &= ~((uint16_t)1 << (irq - VRC4173_IRQ_BASE));
-	vrc4173_outw(val, VRC4173_MSYSINT1REG);
-}
-
-static unsigned int startup_vrc4173_irq(unsigned int irq)
-{
-	enable_vrc4173_irq(irq);
-	return 0; /* never anything pending */
-}
-
-#define shutdown_vrc4173_irq	disable_vrc4173_irq
-#define ack_vrc4173_irq		disable_vrc4173_irq
-
-static void end_vrc4173_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-		enable_vrc4173_irq(irq);
-}
-
-static struct irq_chip vrc4173_irq_type = {
-	.typename	= "VRC4173",
-	.startup	= startup_vrc4173_irq,
-	.shutdown	= shutdown_vrc4173_irq,
-	.enable		= enable_vrc4173_irq,
-	.disable	= disable_vrc4173_irq,
-	.ack		= ack_vrc4173_irq,
-	.end		= end_vrc4173_irq,
-};
-
-static int vrc4173_get_irq_number(int irq)
-{
-	uint16_t status, mask;
-	int i;
-
-        status = vrc4173_inw(VRC4173_SYSINT1REG);
-        mask = vrc4173_inw(VRC4173_MSYSINT1REG);
-
-	status &= mask;
-	if (status) {
-		for (i = 0; i < 16; i++)
-			if (status & (0x0001 << i))
-				return VRC4173_IRQ(i);
-	}
-
-	return -EINVAL;
-}
-
-static inline int vrc4173_icu_init(int cascade_irq)
-{
-	int i;
-
-	if (cascade_irq < GIU_IRQ(0) || cascade_irq > GIU_IRQ(15))
-		return -EINVAL;
-
-	vrc4173_outw(0, VRC4173_MSYSINT1REG);
-
-	vr41xx_set_irq_trigger(GIU_IRQ_TO_PIN(cascade_irq), TRIGGER_LEVEL, SIGNAL_THROUGH);
-	vr41xx_set_irq_level(GIU_IRQ_TO_PIN(cascade_irq), LEVEL_LOW);
-
-	for (i = VRC4173_IRQ_BASE; i <= VRC4173_IRQ_LAST; i++)
-                irq_desc[i].chip = &vrc4173_irq_type;
-
-	return 0;
-}
-
-static int __devinit vrc4173_probe(struct pci_dev *dev,
-                                   const struct pci_device_id *id)
-{
-	unsigned long start, flags;
-	int err;
-
-	err = pci_enable_device(dev);
-	if (err < 0) {
-		printk(KERN_ERR "vrc4173: Failed to enable PCI device, aborting\n");
-		return err;
-	}
-
-	pci_set_master(dev);
-
-	start = pci_resource_start(dev, 0);
-	if (start == 0) {
-		printk(KERN_ERR "vrc4173:No such PCI I/O resource, aborting\n");
-		return -ENXIO;
-	}
-
-	flags = pci_resource_flags(dev, 0);
-	if ((flags & IORESOURCE_IO) == 0) {
-		printk(KERN_ERR "vrc4173: No such PCI I/O resource, aborting\n");
-		return -ENXIO;
-	}
-
-	err = pci_request_regions(dev, "NEC VRC4173");
-	if (err < 0) {
-		printk(KERN_ERR "vrc4173: PCI resources are busy, aborting\n");
-		return err;
-	}
-
-	set_vrc4173_io_offset(start);
-
-	vrc4173_cmu_init();
-	vrc4173_giu_init();
-
-	err = vrc4173_icu_init(dev->irq);
-	if (err < 0) {
-		printk(KERN_ERR "vrc4173: Invalid IRQ %d, aborting\n", dev->irq);
-		return err;
-	}
-
-	err = vr41xx_cascade_irq(dev->irq, vrc4173_get_irq_number);
-	if (err < 0) {
-		printk(KERN_ERR "vrc4173: IRQ resource %d is busy, aborting\n", dev->irq);
-		return err;
-	}
-
-	printk(KERN_INFO
-	       "NEC VRC4173 at 0x%#08lx, IRQ is cascaded to %d\n", start, dev->irq);
-
-	return 0;
-}
-
-static void vrc4173_remove(struct pci_dev *dev)
-{
-	free_irq(dev->irq, NULL);
-
-	pci_release_regions(dev);
-}
-
-static struct pci_driver vrc4173_driver = {
-	.name		= "NEC VRC4173",
-	.probe		= vrc4173_probe,
-	.remove		= vrc4173_remove,
-	.id_table	= vrc4173_id_table,
-};
-
-static int __devinit vrc4173_init(void)
-{
-	int err;
-
-	err = pci_register_driver(&vrc4173_driver);
-	if (err < 0)
-		return err;
-
-	vrc4173_initialized = 1;
-
-	return 0;
-}
-
-static void __devexit vrc4173_exit(void)
-{
-	vrc4173_initialized = 0;
-
-	pci_unregister_driver(&vrc4173_driver);
-}
-
-module_init(vrc4173_init);
-module_exit(vrc4173_exit);