#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) */
#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, ...)
{
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;
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);
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff