diff options
Diffstat (limited to 'drivers/media/radio/radio-sf16fmr2.c')
| -rw-r--r-- | drivers/media/radio/radio-sf16fmr2.c | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index 2dd485996ba8..7c69214334bf 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -9,16 +9,23 @@ #include <linux/delay.h> #include <linux/module.h> /* Modules */ #include <linux/init.h> /* Initdata */ +#include <linux/slab.h> #include <linux/ioport.h> /* request_region */ #include <linux/io.h> /* outb, outb_p */ +#include <linux/isa.h> #include <sound/tea575x-tuner.h> MODULE_AUTHOR("Ondrej Zary"); MODULE_DESCRIPTION("MediaForte SF16-FMR2 FM radio card driver"); MODULE_LICENSE("GPL"); +static int radio_nr = -1; +module_param(radio_nr, int, 0444); +MODULE_PARM_DESC(radio_nr, "Radio device number"); + struct fmr2 { int io; + struct v4l2_device v4l2_dev; struct snd_tea575x tea; struct v4l2_ctrl *volume; struct v4l2_ctrl *balance; @@ -26,7 +33,6 @@ struct fmr2 { /* the port is hardwired so no need to support multiple cards */ #define FMR2_PORT 0x384 -static struct fmr2 fmr2_card; /* TEA575x tuner pins */ #define STR_DATA (1 << 0) @@ -172,7 +178,7 @@ static int fmr2_tea_ext_init(struct snd_tea575x *tea) fmr2->volume = v4l2_ctrl_new_std(&tea->ctrl_handler, &fmr2_ctrl_ops, V4L2_CID_AUDIO_VOLUME, 0, 68, 2, 56); fmr2->balance = v4l2_ctrl_new_std(&tea->ctrl_handler, &fmr2_ctrl_ops, V4L2_CID_AUDIO_BALANCE, -68, 68, 2, 0); if (tea->ctrl_handler.error) { - printk(KERN_ERR "radio-sf16fmr2: can't initialize contrls\n"); + printk(KERN_ERR "radio-sf16fmr2: can't initialize controls\n"); return tea->ctrl_handler.error; } } @@ -180,26 +186,46 @@ static int fmr2_tea_ext_init(struct snd_tea575x *tea) return 0; } -static int __init fmr2_init(void) +static int __devinit fmr2_probe(struct device *pdev, unsigned int dev) { - struct fmr2 *fmr2 = &fmr2_card; + struct fmr2 *fmr2; + int err; + + fmr2 = kzalloc(sizeof(*fmr2), GFP_KERNEL); + if (fmr2 == NULL) + return -ENOMEM; + strlcpy(fmr2->v4l2_dev.name, dev_name(pdev), + sizeof(fmr2->v4l2_dev.name)); fmr2->io = FMR2_PORT; - if (!request_region(fmr2->io, 2, "SF16-FMR2")) { + if (!request_region(fmr2->io, 2, fmr2->v4l2_dev.name)) { printk(KERN_ERR "radio-sf16fmr2: I/O port 0x%x already in use\n", fmr2->io); + kfree(fmr2); return -EBUSY; } + dev_set_drvdata(pdev, fmr2); + err = v4l2_device_register(pdev, &fmr2->v4l2_dev); + if (err < 0) { + v4l2_err(&fmr2->v4l2_dev, "Could not register v4l2_device\n"); + release_region(fmr2->io, 2); + kfree(fmr2); + return err; + } + fmr2->tea.v4l2_dev = &fmr2->v4l2_dev; fmr2->tea.private_data = fmr2; + fmr2->tea.radio_nr = radio_nr; fmr2->tea.ops = &fmr2_tea_ops; fmr2->tea.ext_init = fmr2_tea_ext_init; strlcpy(fmr2->tea.card, "SF16-FMR2", sizeof(fmr2->tea.card)); - strcpy(fmr2->tea.bus_info, "ISA"); + snprintf(fmr2->tea.bus_info, sizeof(fmr2->tea.bus_info), "ISA:%s", + fmr2->v4l2_dev.name); if (snd_tea575x_init(&fmr2->tea)) { printk(KERN_ERR "radio-sf16fmr2: Unable to detect TEA575x tuner\n"); release_region(fmr2->io, 2); + kfree(fmr2); return -ENODEV; } @@ -207,12 +233,33 @@ static int __init fmr2_init(void) return 0; } -static void __exit fmr2_exit(void) +static int __exit fmr2_remove(struct device *pdev, unsigned int dev) { - struct fmr2 *fmr2 = &fmr2_card; + struct fmr2 *fmr2 = dev_get_drvdata(pdev); snd_tea575x_exit(&fmr2->tea); release_region(fmr2->io, 2); + v4l2_device_unregister(&fmr2->v4l2_dev); + kfree(fmr2); + return 0; +} + +struct isa_driver fmr2_driver = { + .probe = fmr2_probe, + .remove = fmr2_remove, + .driver = { + .name = "radio-sf16fmr2", + }, +}; + +static int __init fmr2_init(void) +{ + return isa_register_driver(&fmr2_driver, 1); +} + +static void __exit fmr2_exit(void) +{ + isa_unregister_driver(&fmr2_driver); } module_init(fmr2_init); |