^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* SF16-FMI, SF16-FMP and SF16-FMD radio driver for Linux radio support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * heavily based on rtrack driver...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * (c) 1997 M. Kirkwood
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * (c) 1998 Petr Vandrovec, vandrove@vc.cvut.cz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Fitted to new interface by Alan Cox <alan@lxorguk.ukuu.org.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Made working and cleaned up functions <mikael.hedin@irf.se>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Support for ISAPnP by Ladislav Michl <ladis@psi.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Notes on the hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * Frequency control is done digitally -- ie out(port,encodefreq(95.8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * No volume control - only mute/unmute - you have to use line volume
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * control on SB-part of SF16-FMI/SF16-FMP/SF16-FMD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * Converted to V4L2 API by Mauro Carvalho Chehab <mchehab@kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/kernel.h> /* __setup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/module.h> /* Modules */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/init.h> /* Initdata */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/ioport.h> /* request_region */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/delay.h> /* udelay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/isapnp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/videodev2.h> /* kernel radio structs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/io.h> /* outb, outb_p */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <media/v4l2-ioctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <media/v4l2-ctrls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <media/v4l2-event.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include "lm7000.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) MODULE_AUTHOR("Petr Vandrovec, vandrove@vc.cvut.cz and M. Kirkwood");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) MODULE_DESCRIPTION("A driver for the SF16-FMI, SF16-FMP and SF16-FMD radio.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) MODULE_VERSION("0.0.3");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int io = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static int radio_nr = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) module_param(io, int, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) MODULE_PARM_DESC(io, "I/O address of the SF16-FMI/SF16-FMP/SF16-FMD card (0x284 or 0x384)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) module_param(radio_nr, int, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct fmi
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct v4l2_device v4l2_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct v4l2_ctrl_handler hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct video_device vdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) int io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) bool mute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) u32 curfreq; /* freq in kHz */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) static struct fmi fmi_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static struct pnp_dev *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static bool pnp_attached;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define RSF16_MINFREQ (87U * 16000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define RSF16_MAXFREQ (108U * 16000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define FMI_BIT_TUN_CE (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define FMI_BIT_TUN_CLK (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define FMI_BIT_TUN_DATA (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define FMI_BIT_VOL_SW (1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define FMI_BIT_TUN_STRQ (1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static void fmi_set_pins(void *handle, u8 pins)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct fmi *fmi = handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) u8 bits = FMI_BIT_TUN_STRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) if (!fmi->mute)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) bits |= FMI_BIT_VOL_SW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (pins & LM7000_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) bits |= FMI_BIT_TUN_DATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (pins & LM7000_CLK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) bits |= FMI_BIT_TUN_CLK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (pins & LM7000_CE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) bits |= FMI_BIT_TUN_CE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) mutex_lock(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) outb_p(bits, fmi->io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) mutex_unlock(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static inline void fmi_mute(struct fmi *fmi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) mutex_lock(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) outb(0x00, fmi->io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) mutex_unlock(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static inline void fmi_unmute(struct fmi *fmi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) mutex_lock(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) outb(0x08, fmi->io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) mutex_unlock(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static inline int fmi_getsigstr(struct fmi *fmi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) mutex_lock(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) val = fmi->mute ? 0x00 : 0x08; /* mute/unmute */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) outb(val, fmi->io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) outb(val | 0x10, fmi->io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) msleep(143); /* was schedule_timeout(HZ/7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) res = (int)inb(fmi->io + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) outb(val, fmi->io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) mutex_unlock(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return (res & 2) ? 0 : 0xFFFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static void fmi_set_freq(struct fmi *fmi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) fmi->curfreq = clamp(fmi->curfreq, RSF16_MINFREQ, RSF16_MAXFREQ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) /* rounding in steps of 800 to match the freq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) that will be used */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) lm7000_set_freq((fmi->curfreq / 800) * 800, fmi, fmi_set_pins);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static int vidioc_querycap(struct file *file, void *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct v4l2_capability *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) strscpy(v->driver, "radio-sf16fmi", sizeof(v->driver));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) strscpy(v->card, "SF16-FMI/FMP/FMD radio", sizeof(v->card));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) strscpy(v->bus_info, "ISA:radio-sf16fmi", sizeof(v->bus_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static int vidioc_g_tuner(struct file *file, void *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct v4l2_tuner *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct fmi *fmi = video_drvdata(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (v->index > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) strscpy(v->name, "FM", sizeof(v->name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) v->type = V4L2_TUNER_RADIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) v->rangelow = RSF16_MINFREQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) v->rangehigh = RSF16_MAXFREQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) v->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) v->audmode = V4L2_TUNER_MODE_STEREO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) v->signal = fmi_getsigstr(fmi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static int vidioc_s_tuner(struct file *file, void *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) const struct v4l2_tuner *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return v->index ? -EINVAL : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static int vidioc_s_frequency(struct file *file, void *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) const struct v4l2_frequency *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct fmi *fmi = video_drvdata(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) fmi->curfreq = f->frequency;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) fmi_set_freq(fmi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static int vidioc_g_frequency(struct file *file, void *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct v4l2_frequency *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct fmi *fmi = video_drvdata(file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) if (f->tuner != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) f->type = V4L2_TUNER_RADIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) f->frequency = fmi->curfreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static int fmi_s_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct fmi *fmi = container_of(ctrl->handler, struct fmi, hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) switch (ctrl->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) case V4L2_CID_AUDIO_MUTE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) if (ctrl->val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) fmi_mute(fmi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) fmi_unmute(fmi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) fmi->mute = ctrl->val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static const struct v4l2_ctrl_ops fmi_ctrl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) .s_ctrl = fmi_s_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static const struct v4l2_file_operations fmi_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) .open = v4l2_fh_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) .release = v4l2_fh_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) .poll = v4l2_ctrl_poll,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) .unlocked_ioctl = video_ioctl2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static const struct v4l2_ioctl_ops fmi_ioctl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .vidioc_querycap = vidioc_querycap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .vidioc_g_tuner = vidioc_g_tuner,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .vidioc_s_tuner = vidioc_s_tuner,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .vidioc_g_frequency = vidioc_g_frequency,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) .vidioc_s_frequency = vidioc_s_frequency,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) .vidioc_log_status = v4l2_ctrl_log_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) /* ladis: this is my card. does any other types exist? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static struct isapnp_device_id id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) /* SF16-FMI */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) ISAPNP_VENDOR('M','F','R'), ISAPNP_FUNCTION(0xad10), 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) /* SF16-FMD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) { ISAPNP_ANY_ID, ISAPNP_ANY_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) ISAPNP_VENDOR('M','F','R'), ISAPNP_FUNCTION(0xad12), 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) { ISAPNP_CARD_END, },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) MODULE_DEVICE_TABLE(isapnp, id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static int __init isapnp_fmi_probe(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) while (id_table[i].card_vendor != 0 && dev == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) dev = pnp_find_dev(NULL, id_table[i].vendor,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) id_table[i].function, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) if (!dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (pnp_device_attach(dev) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if (pnp_activate_dev(dev) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) printk(KERN_ERR "radio-sf16fmi: PnP configure failed (out of resources?)\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) pnp_device_detach(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (!pnp_port_valid(dev, 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) pnp_device_detach(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) i = pnp_port_start(dev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) printk(KERN_INFO "radio-sf16fmi: PnP reports card at %#x\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) static int __init fmi_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) struct fmi *fmi = &fmi_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) struct v4l2_device *v4l2_dev = &fmi->v4l2_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) struct v4l2_ctrl_handler *hdl = &fmi->hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) int res, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) int probe_ports[] = { 0, 0x284, 0x384 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if (io < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) for (i = 0; i < ARRAY_SIZE(probe_ports); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) io = probe_ports[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) if (io == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) io = isapnp_fmi_probe();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) if (io < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) pnp_attached = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) if (!request_region(io, 2, "radio-sf16fmi")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if (pnp_attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) pnp_device_detach(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) io = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) if (pnp_attached ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) ((inb(io) & 0xf9) == 0xf9 && (inb(io) & 0x4) == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) release_region(io, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) io = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (!request_region(io, 2, "radio-sf16fmi")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) printk(KERN_ERR "radio-sf16fmi: port %#x already in use\n", io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (inb(io) == 0xff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) printk(KERN_ERR "radio-sf16fmi: card not present at %#x\n", io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) release_region(io, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) if (io < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) printk(KERN_ERR "radio-sf16fmi: no cards found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) strscpy(v4l2_dev->name, "sf16fmi", sizeof(v4l2_dev->name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) fmi->io = io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) res = v4l2_device_register(NULL, v4l2_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if (res < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) release_region(fmi->io, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (pnp_attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) pnp_device_detach(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) v4l2_ctrl_handler_init(hdl, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) v4l2_ctrl_new_std(hdl, &fmi_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) v4l2_dev->ctrl_handler = hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) if (hdl->error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) res = hdl->error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) v4l2_err(v4l2_dev, "Could not register controls\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) v4l2_ctrl_handler_free(hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) v4l2_device_unregister(v4l2_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) strscpy(fmi->vdev.name, v4l2_dev->name, sizeof(fmi->vdev.name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) fmi->vdev.v4l2_dev = v4l2_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) fmi->vdev.fops = &fmi_fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) fmi->vdev.ioctl_ops = &fmi_ioctl_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) fmi->vdev.release = video_device_release_empty;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) fmi->vdev.device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) video_set_drvdata(&fmi->vdev, fmi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) mutex_init(&fmi->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) /* mute card and set default frequency */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) fmi->mute = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) fmi->curfreq = RSF16_MINFREQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) fmi_set_freq(fmi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) if (video_register_device(&fmi->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) v4l2_ctrl_handler_free(hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) v4l2_device_unregister(v4l2_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) release_region(fmi->io, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) if (pnp_attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) pnp_device_detach(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) v4l2_info(v4l2_dev, "card driver at 0x%x\n", fmi->io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) static void __exit fmi_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) struct fmi *fmi = &fmi_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) v4l2_ctrl_handler_free(&fmi->hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) video_unregister_device(&fmi->vdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) v4l2_device_unregister(&fmi->v4l2_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) release_region(fmi->io, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) if (dev && pnp_attached)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) pnp_device_detach(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) module_init(fmi_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) module_exit(fmi_exit);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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