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Commit e8eef577 authored by Vojtech Pavlik's avatar Vojtech Pavlik Committed by Dmitry Torokhov
Browse files

Input: Crystal SoundFusion (cs461x) gameport support isn't needed 


       either, since ALSA handles it nicely.

Signed-off-by: default avatarVojtech Pavlik <vojtech@suse.cz>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent f6397cec

drivers/input/gameport/Kconfig

+0 −4
Original line number Diff line number Diff line
@@ -63,8 +63,4 @@ config GAMEPORT_FM801 
	tristate "ForteMedia FM801 gameport support"

	depends on PCI



config GAMEPORT_CS461X

	tristate "Crystal SoundFusion gameport support"

	depends on PCI



endif

drivers/input/gameport/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -5,7 +5,6 @@ 
# Each configuration option enables a list of files.



obj-$(CONFIG_GAMEPORT)		+= gameport.o

obj-$(CONFIG_GAMEPORT_CS461X)	+= cs461x.o

obj-$(CONFIG_GAMEPORT_EMU10K1)	+= emu10k1-gp.o

obj-$(CONFIG_GAMEPORT_FM801)	+= fm801-gp.o

obj-$(CONFIG_GAMEPORT_L4)	+= lightning.o

drivers/input/gameport/cs461x.c

deleted100644 → 0
+0 −322
Original line number Diff line number Diff line 
/*

	The all defines and part of code (such as cs461x_*) are

	contributed from ALSA 0.5.8 sources.

	See http://www.alsa-project.org/ for sources



	Tested on Linux 686 2.4.0-test9, ALSA 0.5.8a and CS4610

*/



#include <asm/io.h>



#include <linux/module.h>

#include <linux/ioport.h>

#include <linux/config.h>

#include <linux/init.h>

#include <linux/gameport.h>

#include <linux/slab.h>

#include <linux/pci.h>



MODULE_AUTHOR("Victor Krapivin");

MODULE_LICENSE("GPL");



/*

	These options are experimental



#define CS461X_FULL_MAP

*/





#ifndef PCI_VENDOR_ID_CIRRUS

#define PCI_VENDOR_ID_CIRRUS            0x1013

#endif

#ifndef PCI_DEVICE_ID_CIRRUS_4610

#define PCI_DEVICE_ID_CIRRUS_4610       0x6001

#endif

#ifndef PCI_DEVICE_ID_CIRRUS_4612

#define PCI_DEVICE_ID_CIRRUS_4612       0x6003

#endif

#ifndef PCI_DEVICE_ID_CIRRUS_4615

#define PCI_DEVICE_ID_CIRRUS_4615       0x6004

#endif



/* Registers */



#define BA0_JSPT                                0x00000480

#define BA0_JSCTL                               0x00000484

#define BA0_JSC1                                0x00000488

#define BA0_JSC2                                0x0000048C

#define BA0_JSIO                                0x000004A0



/* Bits for JSPT */



#define JSPT_CAX                                0x00000001

#define JSPT_CAY                                0x00000002

#define JSPT_CBX                                0x00000004

#define JSPT_CBY                                0x00000008

#define JSPT_BA1                                0x00000010

#define JSPT_BA2                                0x00000020

#define JSPT_BB1                                0x00000040

#define JSPT_BB2                                0x00000080



/* Bits for JSCTL */



#define JSCTL_SP_MASK                           0x00000003

#define JSCTL_SP_SLOW                           0x00000000

#define JSCTL_SP_MEDIUM_SLOW                    0x00000001

#define JSCTL_SP_MEDIUM_FAST                    0x00000002

#define JSCTL_SP_FAST                           0x00000003

#define JSCTL_ARE                               0x00000004



/* Data register pairs masks */



#define JSC1_Y1V_MASK                           0x0000FFFF

#define JSC1_X1V_MASK                           0xFFFF0000

#define JSC1_Y1V_SHIFT                          0

#define JSC1_X1V_SHIFT                          16

#define JSC2_Y2V_MASK                           0x0000FFFF

#define JSC2_X2V_MASK                           0xFFFF0000

#define JSC2_Y2V_SHIFT                          0

#define JSC2_X2V_SHIFT                          16



/* JS GPIO */



#define JSIO_DAX                                0x00000001

#define JSIO_DAY                                0x00000002

#define JSIO_DBX                                0x00000004

#define JSIO_DBY                                0x00000008

#define JSIO_AXOE                               0x00000010

#define JSIO_AYOE                               0x00000020

#define JSIO_BXOE                               0x00000040

#define JSIO_BYOE                               0x00000080



/*

   The card initialization code is obfuscated; the module cs461x

   need to be loaded after ALSA modules initialized and something

   played on the CS 4610 chip (see sources for details of CS4610

   initialization code from ALSA)

*/



/* Card specific definitions */



#define CS461X_BA0_SIZE         0x2000

#define CS461X_BA1_DATA0_SIZE   0x3000

#define CS461X_BA1_DATA1_SIZE   0x3800

#define CS461X_BA1_PRG_SIZE     0x7000

#define CS461X_BA1_REG_SIZE     0x0100



#define BA1_SP_DMEM0                            0x00000000

#define BA1_SP_DMEM1                            0x00010000

#define BA1_SP_PMEM                             0x00020000

#define BA1_SP_REG                              0x00030000



#define BA1_DWORD_SIZE          (13 * 1024 + 512)

#define BA1_MEMORY_COUNT        3



/*

   Only one CS461x card is still suppoted; the code requires

   redesign to avoid this limitatuion.

*/



static unsigned long ba0_addr;

static unsigned int __iomem *ba0;



#ifdef CS461X_FULL_MAP

static unsigned long ba1_addr;

static union ba1_t {

        struct {

                unsigned int __iomem *data0;

                unsigned int __iomem *data1;

                unsigned int __iomem *pmem;

                unsigned int __iomem *reg;

        } name;

        unsigned int __iomem *idx[4];

} ba1;



static void cs461x_poke(unsigned long reg, unsigned int val)

{

        writel(val, &ba1.idx[(reg >> 16) & 3][(reg >> 2) & 0x3fff]);

}



static unsigned int cs461x_peek(unsigned long reg)

{

        return readl(&ba1.idx[(reg >> 16) & 3][(reg >> 2) & 0x3fff]);

}



#endif



static void cs461x_pokeBA0(unsigned long reg, unsigned int val)

{

        writel(val, &ba0[reg >> 2]);

}



static unsigned int cs461x_peekBA0(unsigned long reg)

{

        return readl(&ba0[reg >> 2]);

}



static int cs461x_free(struct pci_dev *pdev)

{

	struct gameport *port = pci_get_drvdata(pdev);



	if (port)

	    gameport_unregister_port(port);



	if (ba0) iounmap(ba0);

#ifdef CS461X_FULL_MAP

	if (ba1.name.data0) iounmap(ba1.name.data0);

	if (ba1.name.data1) iounmap(ba1.name.data1);

	if (ba1.name.pmem)  iounmap(ba1.name.pmem);

	if (ba1.name.reg)   iounmap(ba1.name.reg);

#endif

	return 0;

}



static void cs461x_gameport_trigger(struct gameport *gameport)

{

	cs461x_pokeBA0(BA0_JSPT, 0xFF);  //outb(gameport->io, 0xFF);

}



static unsigned char cs461x_gameport_read(struct gameport *gameport)

{

	return cs461x_peekBA0(BA0_JSPT); //inb(gameport->io);

}



static int cs461x_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons)

{

	unsigned js1, js2, jst;



	js1 = cs461x_peekBA0(BA0_JSC1);

	js2 = cs461x_peekBA0(BA0_JSC2);

	jst = cs461x_peekBA0(BA0_JSPT);



	*buttons = (~jst >> 4) & 0x0F;



	axes[0] = ((js1 & JSC1_Y1V_MASK) >> JSC1_Y1V_SHIFT) & 0xFFFF;

	axes[1] = ((js1 & JSC1_X1V_MASK) >> JSC1_X1V_SHIFT) & 0xFFFF;

	axes[2] = ((js2 & JSC2_Y2V_MASK) >> JSC2_Y2V_SHIFT) & 0xFFFF;

	axes[3] = ((js2 & JSC2_X2V_MASK) >> JSC2_X2V_SHIFT) & 0xFFFF;



	for(jst=0;jst<4;++jst)

		if(axes[jst]==0xFFFF) axes[jst] = -1;

	return 0;

}



static int cs461x_gameport_open(struct gameport *gameport, int mode)

{

	switch (mode) {

		case GAMEPORT_MODE_COOKED:

		case GAMEPORT_MODE_RAW:

			return 0;

		default:

			return -1;

	}

	return 0;

}



static struct pci_device_id cs461x_pci_tbl[] = {

	{ PCI_VENDOR_ID_CIRRUS, 0x6001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Cirrus CS4610 */

	{ PCI_VENDOR_ID_CIRRUS, 0x6003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Cirrus CS4612 */

	{ PCI_VENDOR_ID_CIRRUS, 0x6005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Cirrus CS4615 */

	{ 0, }

};

MODULE_DEVICE_TABLE(pci, cs461x_pci_tbl);



static int __devinit cs461x_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

{

	int rc;

	struct gameport* port;



	rc = pci_enable_device(pdev);

	if (rc) {

		printk(KERN_ERR "cs461x: Cannot enable PCI gameport (bus %d, devfn %d) error=%d\n",

			pdev->bus->number, pdev->devfn, rc);

		return rc;

	}



	ba0_addr = pci_resource_start(pdev, 0);

#ifdef CS461X_FULL_MAP

	ba1_addr = pci_resource_start(pdev, 1);

#endif

	if (ba0_addr == 0 || ba0_addr == ~0

#ifdef CS461X_FULL_MAP

            || ba1_addr == 0 || ba1_addr == ~0

#endif

	    ) {

                printk(KERN_ERR "cs461x: wrong address - ba0 = 0x%lx\n", ba0_addr);

#ifdef CS461X_FULL_MAP

                printk(KERN_ERR "cs461x: wrong address - ba1 = 0x%lx\n", ba1_addr);

#endif

		cs461x_free(pdev);

                return -ENOMEM;

        }



	ba0 = ioremap(ba0_addr, CS461X_BA0_SIZE);

#ifdef CS461X_FULL_MAP

	ba1.name.data0 = ioremap(ba1_addr + BA1_SP_DMEM0, CS461X_BA1_DATA0_SIZE);

	ba1.name.data1 = ioremap(ba1_addr + BA1_SP_DMEM1, CS461X_BA1_DATA1_SIZE);

	ba1.name.pmem  = ioremap(ba1_addr + BA1_SP_PMEM, CS461X_BA1_PRG_SIZE);

	ba1.name.reg   = ioremap(ba1_addr + BA1_SP_REG, CS461X_BA1_REG_SIZE);



	if (ba0 == NULL || ba1.name.data0 == NULL ||

            ba1.name.data1 == NULL || ba1.name.pmem == NULL ||

            ba1.name.reg == NULL) {

		cs461x_free(pdev);

                return -ENOMEM;

        }

#else

	if (ba0 == NULL) {

		cs461x_free(pdev);

		return -ENOMEM;

	}

#endif



	if (!(port = gameport_allocate_port())) {

		printk(KERN_ERR "cs461x: Memory allocation failed\n");

		cs461x_free(pdev);

		return -ENOMEM;

	}



	pci_set_drvdata(pdev, port);



	port->open = cs461x_gameport_open;

	port->trigger = cs461x_gameport_trigger;

	port->read = cs461x_gameport_read;

	port->cooked_read = cs461x_gameport_cooked_read;



	gameport_set_name(port, "CS416x");

	gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev));

	port->dev.parent = &pdev->dev;



	cs461x_pokeBA0(BA0_JSIO, 0xFF); // ?

	cs461x_pokeBA0(BA0_JSCTL, JSCTL_SP_MEDIUM_SLOW);



	gameport_register_port(port);



	return 0;

}



static void __devexit cs461x_pci_remove(struct pci_dev *pdev)

{

	cs461x_free(pdev);

}



static struct pci_driver cs461x_pci_driver = {

        .name =         "CS461x_gameport",

        .id_table =     cs461x_pci_tbl,

        .probe =        cs461x_pci_probe,

        .remove =       __devexit_p(cs461x_pci_remove),

};



static int __init cs461x_init(void)

{

        return pci_register_driver(&cs461x_pci_driver);

}



static void __exit cs461x_exit(void)

{

        pci_unregister_driver(&cs461x_pci_driver);

}



module_init(cs461x_init);

module_exit(cs461x_exit);