diff options
| -rw-r--r-- | drivers/media/radio/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/media/radio/radio-trust.c | 387 |
2 files changed, 104 insertions, 288 deletions
diff --git a/drivers/media/radio/Kconfig b/drivers/media/radio/Kconfig index 0b6d807f44c2..a81d15ccf067 100644 --- a/drivers/media/radio/Kconfig +++ b/drivers/media/radio/Kconfig @@ -377,10 +377,15 @@ config RADIO_TERRATEC config RADIO_TRUST tristate "Trust FM radio card" depends on ISA && VIDEO_V4L2 + select RADIO_ISA help This is a driver for the Trust FM radio cards. Say Y if you have such a card and want to use it under Linux. + Note: this driver hasn't been tested since a long time due to lack + of hardware. If you have this hardware, then please contact the + linux-media mailinglist. + To compile this driver as a module, choose M here: the module will be called radio-trust. diff --git a/drivers/media/radio/radio-trust.c b/drivers/media/radio/radio-trust.c index b3f45a019d82..0703a801c639 100644 --- a/drivers/media/radio/radio-trust.c +++ b/drivers/media/radio/radio-trust.c @@ -23,11 +23,12 @@ #include <linux/io.h> #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> +#include "radio-isa.h" MODULE_AUTHOR("Eric Lammerts, Russell Kroll, Quay Lu, Donald Song, Jason Lewis, Scott McGrath, William McGrath"); MODULE_DESCRIPTION("A driver for the Trust FM Radio card."); MODULE_LICENSE("GPL"); -MODULE_VERSION("0.0.3"); +MODULE_VERSION("0.1.99"); /* acceptable ports: 0x350 (JP3 shorted), 0x358 (JP3 open) */ @@ -35,39 +36,38 @@ MODULE_VERSION("0.0.3"); #define CONFIG_RADIO_TRUST_PORT -1 #endif -static int io = CONFIG_RADIO_TRUST_PORT; -static int radio_nr = -1; +#define TRUST_MAX 2 -module_param(io, int, 0); -MODULE_PARM_DESC(io, "I/O address of the Trust FM Radio card (0x350 or 0x358)"); -module_param(radio_nr, int, 0); +static int io[TRUST_MAX] = { [0] = CONFIG_RADIO_TRUST_PORT, + [1 ... (TRUST_MAX - 1)] = -1 }; +static int radio_nr[TRUST_MAX] = { [0 ... (TRUST_MAX - 1)] = -1 }; + +module_param_array(io, int, NULL, 0444); +MODULE_PARM_DESC(io, "I/O addresses of the Trust FM Radio card (0x350 or 0x358)"); +module_param_array(radio_nr, int, NULL, 0444); +MODULE_PARM_DESC(radio_nr, "Radio device numbers"); struct trust { - struct v4l2_device v4l2_dev; - struct video_device vdev; - int io; + struct radio_isa_card isa; int ioval; - __u16 curvol; - __u16 curbass; - __u16 curtreble; - int muted; - unsigned long curfreq; - int curstereo; - int curmute; - struct mutex lock; }; -static struct trust trust_card; +static struct radio_isa_card *trust_alloc(void) +{ + struct trust *tr = kzalloc(sizeof(*tr), GFP_KERNEL); + + return tr ? &tr->isa : NULL; +} /* i2c addresses */ #define TDA7318_ADDR 0x88 #define TSA6060T_ADDR 0xc4 -#define TR_DELAY do { inb(tr->io); inb(tr->io); inb(tr->io); } while (0) -#define TR_SET_SCL outb(tr->ioval |= 2, tr->io) -#define TR_CLR_SCL outb(tr->ioval &= 0xfd, tr->io) -#define TR_SET_SDA outb(tr->ioval |= 1, tr->io) -#define TR_CLR_SDA outb(tr->ioval &= 0xfe, tr->io) +#define TR_DELAY do { inb(tr->isa.io); inb(tr->isa.io); inb(tr->isa.io); } while (0) +#define TR_SET_SCL outb(tr->ioval |= 2, tr->isa.io) +#define TR_CLR_SCL outb(tr->ioval &= 0xfd, tr->isa.io) +#define TR_SET_SDA outb(tr->ioval |= 1, tr->isa.io) +#define TR_CLR_SDA outb(tr->ioval &= 0xfe, tr->isa.io) static void write_i2c(struct trust *tr, int n, ...) { @@ -84,10 +84,10 @@ static void write_i2c(struct trust *tr, int n, ...) TR_CLR_SCL; TR_DELAY; - for(; n; n--) { + for (; n; n--) { val = va_arg(args, unsigned); - for(mask = 0x80; mask; mask >>= 1) { - if(val & mask) + for (mask = 0x80; mask; mask >>= 1) { + if (val & mask) TR_SET_SDA; else TR_CLR_SDA; @@ -115,317 +115,128 @@ static void write_i2c(struct trust *tr, int n, ...) va_end(args); } -static void tr_setvol(struct trust *tr, __u16 vol) +static int trust_s_mute_volume(struct radio_isa_card *isa, bool mute, int vol) { - mutex_lock(&tr->lock); - tr->curvol = vol / 2048; - write_i2c(tr, 2, TDA7318_ADDR, tr->curvol ^ 0x1f); - mutex_unlock(&tr->lock); -} + struct trust *tr = container_of(isa, struct trust, isa); -static int basstreble2chip[15] = { - 0, 1, 2, 3, 4, 5, 6, 7, 14, 13, 12, 11, 10, 9, 8 -}; - -static void tr_setbass(struct trust *tr, __u16 bass) -{ - mutex_lock(&tr->lock); - tr->curbass = bass / 4370; - write_i2c(tr, 2, TDA7318_ADDR, 0x60 | basstreble2chip[tr->curbass]); - mutex_unlock(&tr->lock); -} - -static void tr_settreble(struct trust *tr, __u16 treble) -{ - mutex_lock(&tr->lock); - tr->curtreble = treble / 4370; - write_i2c(tr, 2, TDA7318_ADDR, 0x70 | basstreble2chip[tr->curtreble]); - mutex_unlock(&tr->lock); + tr->ioval = (tr->ioval & 0xf7) | (mute << 3); + outb(tr->ioval, isa->io); + write_i2c(tr, 2, TDA7318_ADDR, vol ^ 0x1f); + return 0; } -static void tr_setstereo(struct trust *tr, int stereo) +static int trust_s_stereo(struct radio_isa_card *isa, bool stereo) { - mutex_lock(&tr->lock); - tr->curstereo = !!stereo; - tr->ioval = (tr->ioval & 0xfb) | (!tr->curstereo << 2); - outb(tr->ioval, tr->io); - mutex_unlock(&tr->lock); -} + struct trust *tr = container_of(isa, struct trust, isa); -static void tr_setmute(struct trust *tr, int mute) -{ - mutex_lock(&tr->lock); - tr->curmute = !!mute; - tr->ioval = (tr->ioval & 0xf7) | (tr->curmute << 3); - outb(tr->ioval, tr->io); - mutex_unlock(&tr->lock); + tr->ioval = (tr->ioval & 0xfb) | (!stereo << 2); + outb(tr->ioval, isa->io); + return 0; } -static int tr_getsigstr(struct trust *tr) +static u32 trust_g_signal(struct radio_isa_card *isa) { int i, v; - mutex_lock(&tr->lock); for (i = 0, v = 0; i < 100; i++) - v |= inb(tr->io); - mutex_unlock(&tr->lock); + v |= inb(isa->io); return (v & 1) ? 0 : 0xffff; } -static int tr_getstereo(struct trust *tr) -{ - /* don't know how to determine it, just return the setting */ - return tr->curstereo; -} - -static void tr_setfreq(struct trust *tr, unsigned long f) +static int trust_s_frequency(struct radio_isa_card *isa, u32 freq) { - mutex_lock(&tr->lock); - tr->curfreq = f; - f /= 160; /* Convert to 10 kHz units */ - f += 1070; /* Add 10.7 MHz IF */ - write_i2c(tr, 5, TSA6060T_ADDR, (f << 1) | 1, f >> 7, 0x60 | ((f >> 15) & 1), 0); - mutex_unlock(&tr->lock); -} + struct trust *tr = container_of(isa, struct trust, isa); -static int vidioc_querycap(struct file *file, void *priv, - struct v4l2_capability *v) -{ - strlcpy(v->driver, "radio-trust", sizeof(v->driver)); - strlcpy(v->card, "Trust FM Radio", sizeof(v->card)); - strlcpy(v->bus_info, "ISA", sizeof(v->bus_info)); - v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO; + freq /= 160; /* Convert to 10 kHz units */ + freq += 1070; /* Add 10.7 MHz IF */ + write_i2c(tr, 5, TSA6060T_ADDR, (freq << 1) | 1, + freq >> 7, 0x60 | ((freq >> 15) & 1), 0); return 0; } -static int vidioc_g_tuner(struct file *file, void *priv, - struct v4l2_tuner *v) -{ - struct trust *tr = video_drvdata(file); - - if (v->index > 0) - return -EINVAL; - - strlcpy(v->name, "FM", sizeof(v->name)); - v->type = V4L2_TUNER_RADIO; - v->rangelow = 87.5 * 16000; - v->rangehigh = 108 * 16000; - v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; - v->capability = V4L2_TUNER_CAP_LOW; - if (tr_getstereo(tr)) - v->audmode = V4L2_TUNER_MODE_STEREO; - else - v->audmode = V4L2_TUNER_MODE_MONO; - v->signal = tr_getsigstr(tr); - return 0; -} - -static int vidioc_s_tuner(struct file *file, void *priv, - struct v4l2_tuner *v) -{ - struct trust *tr = video_drvdata(file); - - if (v->index) - return -EINVAL; - tr_setstereo(tr, v->audmode == V4L2_TUNER_MODE_STEREO); - return 0; -} - -static int vidioc_s_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct trust *tr = video_drvdata(file); - - if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO) - return -EINVAL; - tr_setfreq(tr, f->frequency); - return 0; -} - -static int vidioc_g_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct trust *tr = video_drvdata(file); - - if (f->tuner != 0) - return -EINVAL; - f->type = V4L2_TUNER_RADIO; - f->frequency = tr->curfreq; - return 0; -} - -static int vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc) -{ - switch (qc->id) { - case V4L2_CID_AUDIO_MUTE: - return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1); - case V4L2_CID_AUDIO_VOLUME: - return v4l2_ctrl_query_fill(qc, 0, 65535, 2048, 65535); - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - return v4l2_ctrl_query_fill(qc, 0, 65535, 4370, 32768); - } - return -EINVAL; -} - -static int vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct trust *tr = video_drvdata(file); - - switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - ctrl->value = tr->curmute; - return 0; - case V4L2_CID_AUDIO_VOLUME: - ctrl->value = tr->curvol * 2048; - return 0; - case V4L2_CID_AUDIO_BASS: - ctrl->value = tr->curbass * 4370; - return 0; - case V4L2_CID_AUDIO_TREBLE: - ctrl->value = tr->curtreble * 4370; - return 0; - } - return -EINVAL; -} +static int basstreble2chip[15] = { + 0, 1, 2, 3, 4, 5, 6, 7, 14, 13, 12, 11, 10, 9, 8 +}; -static int vidioc_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) +static int trust_s_ctrl(struct v4l2_ctrl *ctrl) { - struct trust *tr = video_drvdata(file); + struct radio_isa_card *isa = + container_of(ctrl->handler, struct radio_isa_card, hdl); + struct trust *tr = container_of(isa, struct trust, isa); switch (ctrl->id) { - case V4L2_CID_AUDIO_MUTE: - tr_setmute(tr, ctrl->value); - return 0; - case V4L2_CID_AUDIO_VOLUME: - tr_setvol(tr, ctrl->value); - return 0; case V4L2_CID_AUDIO_BASS: - tr_setbass(tr, ctrl->value); + write_i2c(tr, 2, TDA7318_ADDR, 0x60 | basstreble2chip[ctrl->val]); return 0; case V4L2_CID_AUDIO_TREBLE: - tr_settreble(tr, ctrl->value); + write_i2c(tr, 2, TDA7318_ADDR, 0x70 | basstreble2chip[ctrl->val]); return 0; } return -EINVAL; } -static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i) -{ - *i = 0; - return 0; -} - -static int vidioc_s_input(struct file *filp, void *priv, unsigned int i) -{ - return i ? -EINVAL : 0; -} - -static int vidioc_g_audio(struct file *file, void *priv, - struct v4l2_audio *a) -{ - a->index = 0; - strlcpy(a->name, "Radio", sizeof(a->name)); - a->capability = V4L2_AUDCAP_STEREO; - return 0; -} - -static int vidioc_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) -{ - return a->index ? -EINVAL : 0; -} - -static const struct v4l2_file_operations trust_fops = { - .owner = THIS_MODULE, - .unlocked_ioctl = video_ioctl2, -}; - -static const struct v4l2_ioctl_ops trust_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - .vidioc_g_tuner = vidioc_g_tuner, - .vidioc_s_tuner = vidioc_s_tuner, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_g_audio = vidioc_g_audio, - .vidioc_s_audio = vidioc_s_audio, - .vidioc_g_input = vidioc_g_input, - .vidioc_s_input = vidioc_s_input, +static const struct v4l2_ctrl_ops trust_ctrl_ops = { + .s_ctrl = trust_s_ctrl, }; -static int __init trust_init(void) +static int trust_initialize(struct radio_isa_card *isa) { - struct trust *tr = &trust_card; - struct v4l2_device *v4l2_dev = &tr->v4l2_dev; - int res; + struct trust *tr = container_of(isa, struct trust, isa); - strlcpy(v4l2_dev->name, "trust", sizeof(v4l2_dev->name)); - tr->io = io; tr->ioval = 0xf; - mutex_init(&tr->lock); - - if (tr->io == -1) { - v4l2_err(v4l2_dev, "You must set an I/O address with io=0x0x350 or 0x358\n"); - return -EINVAL; - } - if (!request_region(tr->io, 2, "Trust FM Radio")) { - v4l2_err(v4l2_dev, "port 0x%x already in use\n", tr->io); - return -EBUSY; - } - - res = v4l2_device_register(NULL, v4l2_dev); - if (res < 0) { - release_region(tr->io, 2); - v4l2_err(v4l2_dev, "Could not register v4l2_device\n"); - return res; - } - - strlcpy(tr->vdev.name, v4l2_dev->name, sizeof(tr->vdev.name)); - tr->vdev.v4l2_dev = v4l2_dev; - tr->vdev.fops = &trust_fops; - tr->vdev.ioctl_ops = &trust_ioctl_ops; - tr->vdev.release = video_device_release_empty; - video_set_drvdata(&tr->vdev, tr); - write_i2c(tr, 2, TDA7318_ADDR, 0x80); /* speaker att. LF = 0 dB */ write_i2c(tr, 2, TDA7318_ADDR, 0xa0); /* speaker att. RF = 0 dB */ write_i2c(tr, 2, TDA7318_ADDR, 0xc0); /* speaker att. LR = 0 dB */ write_i2c(tr, 2, TDA7318_ADDR, 0xe0); /* speaker att. RR = 0 dB */ write_i2c(tr, 2, TDA7318_ADDR, 0x40); /* stereo 1 input, gain = 18.75 dB */ - tr_setvol(tr, 0xffff); - tr_setbass(tr, 0x8000); - tr_settreble(tr, 0x8000); - tr_setstereo(tr, 1); - - /* mute card - prevents noisy bootups */ - tr_setmute(tr, 1); + v4l2_ctrl_new_std(&isa->hdl, &trust_ctrl_ops, + V4L2_CID_AUDIO_BASS, 0, 15, 1, 8); + v4l2_ctrl_new_std(&isa->hdl, &trust_ctrl_ops, + V4L2_CID_AUDIO_TREBLE, 0, 15, 1, 8); + return isa->hdl.error; +} - if (video_register_device(&tr->vdev, VFL_TYPE_RADIO, radio_nr) < 0) { - v4l2_device_unregister(v4l2_dev); - release_region(tr->io, 2); - return -EINVAL; - } +static const struct radio_isa_ops trust_ops = { + .init = trust_initialize, + .alloc = trust_alloc, + .s_mute_volume = trust_s_mute_volume, + .s_frequency = trust_s_frequency, + .s_stereo = trust_s_stereo, + .g_signal = trust_g_signal, +}; - v4l2_info(v4l2_dev, "Trust FM Radio card driver v1.0.\n"); +static const int trust_ioports[] = { 0x350, 0x358 }; + +static struct radio_isa_driver trust_driver = { + .driver = { + .match = radio_isa_match, + .probe = radio_isa_probe, + .remove = radio_isa_remove, + .driver = { + .name = "radio-trust", + }, + }, + .io_params = io, + .radio_nr_params = radio_nr, + .io_ports = trust_ioports, + .num_of_io_ports = ARRAY_SIZE(trust_ioports), + .region_size = 2, + .card = "Trust FM Radio", + .ops = &trust_ops, + .has_stereo = true, + .max_volume = 31, +}; - return 0; +static int __init trust_init(void) +{ + return isa_register_driver(&trust_driver.driver, TRUST_MAX); } -static void __exit cleanup_trust_module(void) +static void __exit trust_exit(void) { - struct trust *tr = &trust_card; - - video_unregister_device(&tr->vdev); - v4l2_device_unregister(&tr->v4l2_dev); - release_region(tr->io, 2); + isa_unregister_driver(&trust_driver.driver); } module_init(trust_init); -module_exit(cleanup_trust_module); +module_exit(trust_exit); |