Lines Matching +full:ctrl +full:- +full:pins
1 // SPDX-License-Identifier: GPL-2.0-only
2 /* SF16-FMI, SF16-FMP and SF16-FMD radio driver for Linux radio support
13 * Frequency control is done digitally -- ie out(port,encodefreq(95.8));
14 * No volume control - only mute/unmute - you have to use line volume
15 * control on SB-part of SF16-FMI/SF16-FMP/SF16-FMD
29 #include <media/v4l2-device.h>
30 #include <media/v4l2-ioctl.h>
31 #include <media/v4l2-ctrls.h>
32 #include <media/v4l2-event.h>
36 MODULE_DESCRIPTION("A driver for the SF16-FMI, SF16-FMP and SF16-FMD radio.");
40 static int io = -1;
41 static int radio_nr = -1;
44 MODULE_PARM_DESC(io, "I/O address of the SF16-FMI/SF16-FMP/SF16-FMD card (0x284 or 0x384)");
71 static void fmi_set_pins(void *handle, u8 pins) in fmi_set_pins() argument
76 if (!fmi->mute) in fmi_set_pins()
79 if (pins & LM7000_DATA) in fmi_set_pins()
81 if (pins & LM7000_CLK) in fmi_set_pins()
83 if (pins & LM7000_CE) in fmi_set_pins()
86 mutex_lock(&fmi->lock); in fmi_set_pins()
87 outb_p(bits, fmi->io); in fmi_set_pins()
88 mutex_unlock(&fmi->lock); in fmi_set_pins()
93 mutex_lock(&fmi->lock); in fmi_mute()
94 outb(0x00, fmi->io); in fmi_mute()
95 mutex_unlock(&fmi->lock); in fmi_mute()
100 mutex_lock(&fmi->lock); in fmi_unmute()
101 outb(0x08, fmi->io); in fmi_unmute()
102 mutex_unlock(&fmi->lock); in fmi_unmute()
110 mutex_lock(&fmi->lock); in fmi_getsigstr()
111 val = fmi->mute ? 0x00 : 0x08; /* mute/unmute */ in fmi_getsigstr()
112 outb(val, fmi->io); in fmi_getsigstr()
113 outb(val | 0x10, fmi->io); in fmi_getsigstr()
115 res = (int)inb(fmi->io + 1); in fmi_getsigstr()
116 outb(val, fmi->io); in fmi_getsigstr()
118 mutex_unlock(&fmi->lock); in fmi_getsigstr()
124 fmi->curfreq = clamp(fmi->curfreq, RSF16_MINFREQ, RSF16_MAXFREQ); in fmi_set_freq()
127 lm7000_set_freq((fmi->curfreq / 800) * 800, fmi, fmi_set_pins); in fmi_set_freq()
133 strscpy(v->driver, "radio-sf16fmi", sizeof(v->driver)); in vidioc_querycap()
134 strscpy(v->card, "SF16-FMI/FMP/FMD radio", sizeof(v->card)); in vidioc_querycap()
135 strscpy(v->bus_info, "ISA:radio-sf16fmi", sizeof(v->bus_info)); in vidioc_querycap()
144 if (v->index > 0) in vidioc_g_tuner()
145 return -EINVAL; in vidioc_g_tuner()
147 strscpy(v->name, "FM", sizeof(v->name)); in vidioc_g_tuner()
148 v->type = V4L2_TUNER_RADIO; in vidioc_g_tuner()
149 v->rangelow = RSF16_MINFREQ; in vidioc_g_tuner()
150 v->rangehigh = RSF16_MAXFREQ; in vidioc_g_tuner()
151 v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; in vidioc_g_tuner()
152 v->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LOW; in vidioc_g_tuner()
153 v->audmode = V4L2_TUNER_MODE_STEREO; in vidioc_g_tuner()
154 v->signal = fmi_getsigstr(fmi); in vidioc_g_tuner()
161 return v->index ? -EINVAL : 0; in vidioc_s_tuner()
169 if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO) in vidioc_s_frequency()
170 return -EINVAL; in vidioc_s_frequency()
172 fmi->curfreq = f->frequency; in vidioc_s_frequency()
183 if (f->tuner != 0) in vidioc_g_frequency()
184 return -EINVAL; in vidioc_g_frequency()
185 f->type = V4L2_TUNER_RADIO; in vidioc_g_frequency()
186 f->frequency = fmi->curfreq; in vidioc_g_frequency()
190 static int fmi_s_ctrl(struct v4l2_ctrl *ctrl) in fmi_s_ctrl() argument
192 struct fmi *fmi = container_of(ctrl->handler, struct fmi, hdl); in fmi_s_ctrl()
194 switch (ctrl->id) { in fmi_s_ctrl()
196 if (ctrl->val) in fmi_s_ctrl()
200 fmi->mute = ctrl->val; in fmi_s_ctrl()
203 return -EINVAL; in fmi_s_ctrl()
231 /* SF16-FMI */
234 /* SF16-FMD */
253 return -ENODEV; in isapnp_fmi_probe()
255 return -EAGAIN; in isapnp_fmi_probe()
257 printk(KERN_ERR "radio-sf16fmi: PnP configure failed (out of resources?)\n"); in isapnp_fmi_probe()
259 return -ENOMEM; in isapnp_fmi_probe()
263 return -ENODEV; in isapnp_fmi_probe()
267 printk(KERN_INFO "radio-sf16fmi: PnP reports card at %#x\n", i); in isapnp_fmi_probe()
275 struct v4l2_device *v4l2_dev = &fmi->v4l2_dev; in fmi_init()
276 struct v4l2_ctrl_handler *hdl = &fmi->hdl; in fmi_init()
289 if (!request_region(io, 2, "radio-sf16fmi")) { in fmi_init()
292 io = -1; in fmi_init()
299 io = -1; in fmi_init()
302 if (!request_region(io, 2, "radio-sf16fmi")) { in fmi_init()
303 printk(KERN_ERR "radio-sf16fmi: port %#x already in use\n", io); in fmi_init()
304 return -EBUSY; in fmi_init()
307 printk(KERN_ERR "radio-sf16fmi: card not present at %#x\n", io); in fmi_init()
309 return -ENODEV; in fmi_init()
313 printk(KERN_ERR "radio-sf16fmi: no cards found\n"); in fmi_init()
314 return -ENODEV; in fmi_init()
317 strscpy(v4l2_dev->name, "sf16fmi", sizeof(v4l2_dev->name)); in fmi_init()
318 fmi->io = io; in fmi_init()
322 release_region(fmi->io, 2); in fmi_init()
332 v4l2_dev->ctrl_handler = hdl; in fmi_init()
333 if (hdl->error) { in fmi_init()
334 res = hdl->error; in fmi_init()
341 strscpy(fmi->vdev.name, v4l2_dev->name, sizeof(fmi->vdev.name)); in fmi_init()
342 fmi->vdev.v4l2_dev = v4l2_dev; in fmi_init()
343 fmi->vdev.fops = &fmi_fops; in fmi_init()
344 fmi->vdev.ioctl_ops = &fmi_ioctl_ops; in fmi_init()
345 fmi->vdev.release = video_device_release_empty; in fmi_init()
346 fmi->vdev.device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO; in fmi_init()
347 video_set_drvdata(&fmi->vdev, fmi); in fmi_init()
349 mutex_init(&fmi->lock); in fmi_init()
352 fmi->mute = true; in fmi_init()
353 fmi->curfreq = RSF16_MINFREQ; in fmi_init()
356 if (video_register_device(&fmi->vdev, VFL_TYPE_RADIO, radio_nr) < 0) { in fmi_init()
359 release_region(fmi->io, 2); in fmi_init()
362 return -EINVAL; in fmi_init()
365 v4l2_info(v4l2_dev, "card driver at 0x%x\n", fmi->io); in fmi_init()
373 v4l2_ctrl_handler_free(&fmi->hdl); in fmi_exit()
374 video_unregister_device(&fmi->vdev); in fmi_exit()
375 v4l2_device_unregister(&fmi->v4l2_dev); in fmi_exit()
376 release_region(fmi->io, 2); in fmi_exit()