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authorDmitry Torokhov <dtor_core@ameritech.net>2005-06-01 11:39:04 +0400
committerDmitry Torokhov <dtor_core@ameritech.net>2005-06-01 11:39:04 +0400
commit5d503e5cf42de82fc091ef641fd0b0fe027fc180 (patch)
tree71ebdb0ca58decb2713c53d13c2085b972d6e341 /sound/oss/es1371.c
parentc624e92160e0d503594aff05a1e53fd0aafe41ad (diff)
downloadlinux-5d503e5cf42de82fc091ef641fd0b0fe027fc180.tar.xz
Input: ES1371 (OSS) - do not carry around gameport code if gameport
core support is disabled. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'sound/oss/es1371.c')
-rw-r--r--sound/oss/es1371.c95
1 files changed, 63 insertions, 32 deletions
diff --git a/sound/oss/es1371.c b/sound/oss/es1371.c
index a50fddaeea21..c38ae1eca25f 100644
--- a/sound/oss/es1371.c
+++ b/sound/oss/es1371.c
@@ -133,6 +133,10 @@
#include <asm/page.h>
#include <asm/uaccess.h>
+#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
+#define SUPPORT_JOYSTICK
+#endif
+
/* --------------------------------------------------------------------- */
#undef OSS_DOCUMENTED_MIXER_SEMANTICS
@@ -453,7 +457,10 @@ struct es1371_state {
unsigned char obuf[MIDIOUTBUF];
} midi;
+#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
+#endif
+
struct semaphore sem;
};
@@ -2786,12 +2793,63 @@ static struct
{ PCI_ANY_ID, PCI_ANY_ID }
};
+#ifdef SUPPORT_JOYSTICK
+
+static int __devinit es1371_register_gameport(struct es1371_state *s)
+{
+ struct gameport *gp;
+ int gpio;
+
+ for (gpio = 0x218; gpio >= 0x200; gpio -= 0x08)
+ if (request_region(gpio, JOY_EXTENT, "es1371"))
+ break;
+
+ if (gpio < 0x200) {
+ printk(KERN_ERR PFX "no free joystick address found\n");
+ return -EBUSY;
+ }
+
+ s->gameport = gp = gameport_allocate_port();
+ if (!gp) {
+ printk(KERN_ERR PFX "can not allocate memory for gameport\n");
+ release_region(gpio, JOY_EXTENT);
+ return -ENOMEM;
+ }
+
+ gameport_set_name(gp, "ESS1371 Gameport");
+ gameport_set_phys(gp, "isa%04x/gameport0", gpio);
+ gp->dev.parent = &s->dev->dev;
+ gp->io = gpio;
+
+ s->ctrl |= CTRL_JYSTK_EN | (((gpio >> 3) & CTRL_JOY_MASK) << CTRL_JOY_SHIFT);
+ outl(s->ctrl, s->io + ES1371_REG_CONTROL);
+
+ gameport_register_port(gp);
+
+ return 0;
+}
+
+static inline void es1371_unregister_gameport(struct es1371_state *s)
+{
+ if (s->gameport) {
+ int gpio = s->gameport->io;
+ gameport_unregister_port(s->gameport);
+ release_region(gpio, JOY_EXTENT);
+
+ }
+}
+
+#else
+static inline int es1371_register_gameport(struct es1371_state *s) { return -ENOSYS; }
+static inline void es1371_unregister_gameport(struct es1371_state *s) { }
+#endif /* SUPPORT_JOYSTICK */
+
+
static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid)
{
struct es1371_state *s;
- struct gameport *gp;
mm_segment_t fs;
- int i, gpio, val, res = -1;
+ int i, val, res = -1;
int idx;
unsigned long tmo;
signed long tmo2;
@@ -2882,23 +2940,6 @@ static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_devic
}
}
- for (gpio = 0x218; gpio >= 0x200; gpio -= 0x08)
- if (request_region(gpio, JOY_EXTENT, "es1371"))
- break;
-
- if (gpio < 0x200) {
- printk(KERN_ERR PFX "no free joystick address found\n");
- } else if (!(s->gameport = gp = gameport_allocate_port())) {
- printk(KERN_ERR PFX "can not allocate memory for gameport\n");
- release_region(gpio, JOY_EXTENT);
- } else {
- gameport_set_name(gp, "ESS1371 Gameport");
- gameport_set_phys(gp, "isa%04x/gameport0", gpio);
- gp->dev.parent = &s->dev->dev;
- gp->io = gpio;
- s->ctrl |= CTRL_JYSTK_EN | (((gpio >> 3) & CTRL_JOY_MASK) << CTRL_JOY_SHIFT);
- }
-
s->sctrl = 0;
cssr = 0;
s->spdif_volume = -1;
@@ -2968,9 +3009,7 @@ static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_devic
/* turn on S/PDIF output driver if requested */
outl(cssr, s->io+ES1371_REG_STATUS);
- /* register gameport */
- if (s->gameport)
- gameport_register_port(s->gameport);
+ es1371_register_gameport(s);
/* store it in the driver field */
pci_set_drvdata(pcidev, s);
@@ -2979,13 +3018,9 @@ static int __devinit es1371_probe(struct pci_dev *pcidev, const struct pci_devic
/* increment devindex */
if (devindex < NR_DEVICE-1)
devindex++;
- return 0;
+ return 0;
err_gp:
- if (s->gameport) {
- release_region(s->gameport->io, JOY_EXTENT);
- gameport_free_port(s->gameport);
- }
#ifdef ES1371_DEBUG
if (s->ps)
remove_proc_entry("es1371", NULL);
@@ -3024,11 +3059,7 @@ static void __devexit es1371_remove(struct pci_dev *dev)
outl(0, s->io+ES1371_REG_SERIAL_CONTROL); /* clear serial interrupts */
synchronize_irq(s->irq);
free_irq(s->irq, s);
- if (s->gameport) {
- int gpio = s->gameport->io;
- gameport_unregister_port(s->gameport);
- release_region(gpio, JOY_EXTENT);
- }
+ es1371_unregister_gameport(s);
release_region(s->io, ES1371_EXTENT);
unregister_sound_dsp(s->dev_audio);
unregister_sound_mixer(s->codec->dev_mixer);