diff options
| -rw-r--r-- | drivers/media/radio/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/media/radio/radio-sf16fmr2.c | 144 |
2 files changed, 114 insertions, 32 deletions
diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index 8db2d7f4b52..270f7b7e813 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -329,7 +329,7 @@ config RADIO_SF16FMI module will be called radio-sf16fmi. config RADIO_SF16FMR2 - tristate "SF16FMR2 Radio" + tristate "SF16-FMR2/SF16-FMD2 Radio" depends on ISA && VIDEO_V4L2 && SND ---help--- Choose Y here if you have one of these FM radio cards. diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index 7c69214334b..52b8011f1b2 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -1,4 +1,4 @@ -/* SF16-FMR2 radio driver for Linux +/* SF16-FMR2 and SF16-FMD2 radio driver for Linux * Copyright (c) 2011 Ondrej Zary * * Original driver was (c) 2000-2002 Ziglio Frediano, freddy77@angelfire.com @@ -13,15 +13,19 @@ #include <linux/ioport.h> /* request_region */ #include <linux/io.h> /* outb, outb_p */ #include <linux/isa.h> +#include <linux/pnp.h> #include <sound/tea575x-tuner.h> MODULE_AUTHOR("Ondrej Zary"); -MODULE_DESCRIPTION("MediaForte SF16-FMR2 FM radio card driver"); +MODULE_DESCRIPTION("MediaForte SF16-FMR2 and SF16-FMD2 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"); +/* these cards can only use two different ports (0x384 and 0x284) */ +#define FMR2_MAX 2 + +static int radio_nr[FMR2_MAX] = { [0 ... (FMR2_MAX - 1)] = -1 }; +module_param_array(radio_nr, int, NULL, 0444); +MODULE_PARM_DESC(radio_nr, "Radio device numbers"); struct fmr2 { int io; @@ -29,9 +33,15 @@ struct fmr2 { struct snd_tea575x tea; struct v4l2_ctrl *volume; struct v4l2_ctrl *balance; + bool is_fmd2; }; -/* the port is hardwired so no need to support multiple cards */ +static int num_fmr2_cards; +static struct fmr2 *fmr2_cards[FMR2_MAX]; +static bool isa_registered; +static bool pnp_registered; + +/* the port is hardwired on SF16-FMR2 */ #define FMR2_PORT 0x384 /* TEA575x tuner pins */ @@ -174,7 +184,8 @@ static int fmr2_tea_ext_init(struct snd_tea575x *tea) { struct fmr2 *fmr2 = tea->private_data; - if (inb(fmr2->io) & FMR2_HASVOL) { + /* FMR2 can have volume control, FMD2 can't (uses SB16 mixer) */ + if (!fmr2->is_fmd2 && inb(fmr2->io) & FMR2_HASVOL) { 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) { @@ -186,22 +197,28 @@ static int fmr2_tea_ext_init(struct snd_tea575x *tea) return 0; } -static int __devinit fmr2_probe(struct device *pdev, unsigned int dev) +static struct pnp_device_id fmr2_pnp_ids[] __devinitdata = { + { .id = "MFRad13" }, /* tuner subdevice of SF16-FMD2 */ + { .id = "" } +}; +MODULE_DEVICE_TABLE(pnp, fmr2_pnp_ids); + +static int __devinit fmr2_probe(struct fmr2 *fmr2, struct device *pdev, int io) { - struct fmr2 *fmr2; - int err; + int err, i; + char *card_name = fmr2->is_fmd2 ? "SF16-FMD2" : "SF16-FMR2"; - fmr2 = kzalloc(sizeof(*fmr2), GFP_KERNEL); - if (fmr2 == NULL) - return -ENOMEM; + /* avoid errors if a card was already registered at given port */ + for (i = 0; i < num_fmr2_cards; i++) + if (io == fmr2_cards[i]->io) + return -EBUSY; - strlcpy(fmr2->v4l2_dev.name, dev_name(pdev), - sizeof(fmr2->v4l2_dev.name)); - fmr2->io = FMR2_PORT; + strlcpy(fmr2->v4l2_dev.name, "radio-sf16fmr2", + sizeof(fmr2->v4l2_dev.name)), + fmr2->io = io; 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; } @@ -210,56 +227,121 @@ static int __devinit fmr2_probe(struct device *pdev, unsigned int 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.radio_nr = radio_nr[num_fmr2_cards]; fmr2->tea.ops = &fmr2_tea_ops; fmr2->tea.ext_init = fmr2_tea_ext_init; - strlcpy(fmr2->tea.card, "SF16-FMR2", sizeof(fmr2->tea.card)); - snprintf(fmr2->tea.bus_info, sizeof(fmr2->tea.bus_info), "ISA:%s", - fmr2->v4l2_dev.name); + strlcpy(fmr2->tea.card, card_name, sizeof(fmr2->tea.card)); + snprintf(fmr2->tea.bus_info, sizeof(fmr2->tea.bus_info), "%s:%s", + fmr2->is_fmd2 ? "PnP" : "ISA", dev_name(pdev)); 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; } - printk(KERN_INFO "radio-sf16fmr2: SF16-FMR2 radio card at 0x%x.\n", fmr2->io); + printk(KERN_INFO "radio-sf16fmr2: %s radio card at 0x%x.\n", + card_name, fmr2->io); return 0; } -static int __exit fmr2_remove(struct device *pdev, unsigned int dev) +static int __devinit fmr2_isa_match(struct device *pdev, unsigned int ndev) +{ + struct fmr2 *fmr2 = kzalloc(sizeof(*fmr2), GFP_KERNEL); + if (!fmr2) + return 0; + + if (fmr2_probe(fmr2, pdev, FMR2_PORT)) { + kfree(fmr2); + return 0; + } + dev_set_drvdata(pdev, fmr2); + fmr2_cards[num_fmr2_cards++] = fmr2; + + return 1; +} + +static int __devinit fmr2_pnp_probe(struct pnp_dev *pdev, + const struct pnp_device_id *id) { - struct fmr2 *fmr2 = dev_get_drvdata(pdev); + int ret; + struct fmr2 *fmr2 = kzalloc(sizeof(*fmr2), GFP_KERNEL); + if (!fmr2) + return -ENOMEM; + fmr2->is_fmd2 = true; + ret = fmr2_probe(fmr2, &pdev->dev, pnp_port_start(pdev, 0)); + if (ret) { + kfree(fmr2); + return ret; + } + pnp_set_drvdata(pdev, fmr2); + fmr2_cards[num_fmr2_cards++] = fmr2; + + return 0; +} + +static void __devexit fmr2_remove(struct fmr2 *fmr2) +{ snd_tea575x_exit(&fmr2->tea); release_region(fmr2->io, 2); v4l2_device_unregister(&fmr2->v4l2_dev); kfree(fmr2); +} + +static int __devexit fmr2_isa_remove(struct device *pdev, unsigned int ndev) +{ + fmr2_remove(dev_get_drvdata(pdev)); + dev_set_drvdata(pdev, NULL); + return 0; } -struct isa_driver fmr2_driver = { - .probe = fmr2_probe, - .remove = fmr2_remove, +static void __devexit fmr2_pnp_remove(struct pnp_dev *pdev) +{ + fmr2_remove(pnp_get_drvdata(pdev)); + pnp_set_drvdata(pdev, NULL); +} + +struct isa_driver fmr2_isa_driver = { + .match = fmr2_isa_match, + .remove = __devexit_p(fmr2_isa_remove), .driver = { .name = "radio-sf16fmr2", }, }; +struct pnp_driver fmr2_pnp_driver = { + .name = "radio-sf16fmr2", + .id_table = fmr2_pnp_ids, + .probe = fmr2_pnp_probe, + .remove = __devexit_p(fmr2_pnp_remove), +}; + static int __init fmr2_init(void) { - return isa_register_driver(&fmr2_driver, 1); + int ret; + + ret = pnp_register_driver(&fmr2_pnp_driver); + if (!ret) + pnp_registered = true; + ret = isa_register_driver(&fmr2_isa_driver, 1); + if (!ret) + isa_registered = true; + + return (pnp_registered || isa_registered) ? 0 : ret; } static void __exit fmr2_exit(void) { - isa_unregister_driver(&fmr2_driver); + if (pnp_registered) + pnp_unregister_driver(&fmr2_pnp_driver); + if (isa_registered) + isa_unregister_driver(&fmr2_isa_driver); } module_init(fmr2_init); |