Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Guillemot Maxi Radio FM 2000 PCI radio card driver for Linux |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * (C) 2001 Dimitromanolakis Apostolos <apdim@grecian.net> |
| 4 | * |
| 5 | * Based in the radio Maestro PCI driver. Actually it uses the same chip |
| 6 | * for radio but different pci controller. |
| 7 | * |
| 8 | * I didn't have any specs I reversed engineered the protocol from |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 9 | * the windows driver (radio.dll). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * |
| 11 | * The card uses the TEA5757 chip that includes a search function but it |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 12 | * is useless as I haven't found any way to read back the frequency. If |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * anybody does please mail me. |
| 14 | * |
| 15 | * For the pdf file see: |
Justin P. Mattock | 631dd1a | 2010-10-18 11:03:14 +0200 | [diff] [blame] | 16 | * http://www.nxp.com/acrobat_download2/expired_datasheets/TEA5757_5759_3.pdf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | * |
| 18 | * |
| 19 | * CHANGES: |
| 20 | * 0.75b |
| 21 | * - better pci interface thanks to Francois Romieu <romieu@cogenit.fr> |
| 22 | * |
Mauro Carvalho Chehab | e84fef6 | 2006-08-08 09:10:05 -0300 | [diff] [blame] | 23 | * 0.75 Sun Feb 4 22:51:27 EET 2001 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | * - tiding up |
| 25 | * - removed support for multiple devices as it didn't work anyway |
| 26 | * |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 27 | * BUGS: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | * - card unmutes if you change frequency |
| 29 | * |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 30 | * (c) 2006, 2007 by Mauro Carvalho Chehab <mchehab@infradead.org>: |
| 31 | * - Conversion to V4L2 API |
| 32 | * - Uses video_ioctl2 for parsing and to add debug support |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | */ |
| 34 | |
| 35 | |
| 36 | #include <linux/module.h> |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/ioport.h> |
| 39 | #include <linux/delay.h> |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 40 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #include <linux/pci.h> |
Mauro Carvalho Chehab | e84fef6 | 2006-08-08 09:10:05 -0300 | [diff] [blame] | 42 | #include <linux/videodev2.h> |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 43 | #include <linux/io.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 44 | #include <linux/slab.h> |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 45 | #include <media/v4l2-device.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 46 | #include <media/v4l2-ioctl.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
Mauro Carvalho Chehab | 29834c1 | 2011-06-25 10:15:42 -0300 | [diff] [blame] | 48 | #define DRIVER_VERSION "0.7.8" |
| 49 | |
| 50 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 51 | MODULE_AUTHOR("Dimitromanolakis Apostolos, apdim@grecian.net"); |
| 52 | MODULE_DESCRIPTION("Radio driver for the Guillemot Maxi Radio FM2000 radio."); |
| 53 | MODULE_LICENSE("GPL"); |
Mauro Carvalho Chehab | 29834c1 | 2011-06-25 10:15:42 -0300 | [diff] [blame] | 54 | MODULE_VERSION(DRIVER_VERSION); |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 55 | |
| 56 | static int radio_nr = -1; |
| 57 | module_param(radio_nr, int, 0); |
| 58 | |
| 59 | static int debug; |
| 60 | |
| 61 | module_param(debug, int, 0644); |
| 62 | MODULE_PARM_DESC(debug, "activates debug info"); |
| 63 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 64 | #define dprintk(dev, num, fmt, arg...) \ |
| 65 | v4l2_dbg(num, debug, &dev->v4l2_dev, fmt, ## arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | |
| 67 | #ifndef PCI_VENDOR_ID_GUILLEMOT |
| 68 | #define PCI_VENDOR_ID_GUILLEMOT 0x5046 |
| 69 | #endif |
| 70 | |
| 71 | #ifndef PCI_DEVICE_ID_GUILLEMOT |
| 72 | #define PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO 0x1001 |
| 73 | #endif |
| 74 | |
| 75 | |
| 76 | /* TEA5757 pin mappings */ |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 77 | static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | |
Hans Verkuil | 90d873a | 2011-01-05 14:40:07 -0300 | [diff] [blame] | 79 | #define FREQ_LO (87 * 16000) |
| 80 | #define FREQ_HI (108 * 16000) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
| 82 | #define FREQ_IF 171200 /* 10.7*16000 */ |
| 83 | #define FREQ_STEP 200 /* 12.5*16 */ |
| 84 | |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 85 | /* (x==fmhz*16*1000) -> bits */ |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 86 | #define FREQ2BITS(x) \ |
| 87 | ((((unsigned int)(x) + FREQ_IF + (FREQ_STEP << 1)) / (FREQ_STEP << 2)) << 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | |
| 89 | #define BITS2FREQ(x) ((x) * FREQ_STEP - FREQ_IF) |
| 90 | |
| 91 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 92 | struct maxiradio |
Hans Verkuil | 3ca685a | 2008-08-23 04:49:13 -0300 | [diff] [blame] | 93 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 94 | struct v4l2_device v4l2_dev; |
| 95 | struct video_device vdev; |
| 96 | struct pci_dev *pdev; |
Hans Verkuil | 3ca685a | 2008-08-23 04:49:13 -0300 | [diff] [blame] | 97 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 98 | u16 io; /* base of radio io */ |
| 99 | u16 muted; /* VIDEO_AUDIO_MUTE */ |
| 100 | u16 stereo; /* VIDEO_TUNER_STEREO_ON */ |
| 101 | u16 tuned; /* signal strength (0 or 0xffff) */ |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 102 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | unsigned long freq; |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 104 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 105 | struct mutex lock; |
Mauro Carvalho Chehab | 712642b | 2007-01-26 07:33:07 -0300 | [diff] [blame] | 106 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 108 | static inline struct maxiradio *to_maxiradio(struct v4l2_device *v4l2_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 110 | return container_of(v4l2_dev, struct maxiradio, v4l2_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | } |
| 112 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 113 | static void outbit(unsigned long bit, u16 io) |
| 114 | { |
| 115 | int val = power | wren | (bit ? data : 0); |
| 116 | |
| 117 | outb(val, io); |
| 118 | udelay(4); |
| 119 | outb(val | clk, io); |
| 120 | udelay(4); |
| 121 | outb(val, io); |
| 122 | udelay(4); |
| 123 | } |
| 124 | |
| 125 | static void turn_power(struct maxiradio *dev, int p) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | { |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 127 | if (p != 0) { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 128 | dprintk(dev, 1, "Radio powered on\n"); |
| 129 | outb(power, dev->io); |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 130 | } else { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 131 | dprintk(dev, 1, "Radio powered off\n"); |
| 132 | outb(0, dev->io); |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 133 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | } |
| 135 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 136 | static void set_freq(struct maxiradio *dev, u32 freq) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | { |
| 138 | unsigned long int si; |
| 139 | int bl; |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 140 | int io = dev->io; |
Hans Verkuil | c6eb8ea | 2008-09-03 17:11:54 -0300 | [diff] [blame] | 141 | int val = FREQ2BITS(freq); |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 142 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | /* TEA5757 shift register bits (see pdf) */ |
| 144 | |
Hans Verkuil | c6eb8ea | 2008-09-03 17:11:54 -0300 | [diff] [blame] | 145 | outbit(0, io); /* 24 search */ |
| 146 | outbit(1, io); /* 23 search up/down */ |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 147 | |
Hans Verkuil | c6eb8ea | 2008-09-03 17:11:54 -0300 | [diff] [blame] | 148 | outbit(0, io); /* 22 stereo/mono */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | |
Hans Verkuil | c6eb8ea | 2008-09-03 17:11:54 -0300 | [diff] [blame] | 150 | outbit(0, io); /* 21 band */ |
| 151 | outbit(0, io); /* 20 band (only 00=FM works I think) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | |
Hans Verkuil | c6eb8ea | 2008-09-03 17:11:54 -0300 | [diff] [blame] | 153 | outbit(0, io); /* 19 port ? */ |
| 154 | outbit(0, io); /* 18 port ? */ |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 155 | |
Hans Verkuil | c6eb8ea | 2008-09-03 17:11:54 -0300 | [diff] [blame] | 156 | outbit(0, io); /* 17 search level */ |
| 157 | outbit(0, io); /* 16 search level */ |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 158 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | si = 0x8000; |
Hans Verkuil | c6eb8ea | 2008-09-03 17:11:54 -0300 | [diff] [blame] | 160 | for (bl = 1; bl <= 16; bl++) { |
| 161 | outbit(val & si, io); |
| 162 | si >>= 1; |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 163 | } |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 164 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 165 | dprintk(dev, 1, "Radio freq set to %d.%02d MHz\n", |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 166 | freq / 16000, |
| 167 | freq % 16000 * 100 / 16000); |
| 168 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 169 | turn_power(dev, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | } |
| 171 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 172 | static int get_stereo(u16 io) |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 173 | { |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 174 | outb(power,io); |
| 175 | udelay(4); |
| 176 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | return !(inb(io) & mo_st); |
| 178 | } |
| 179 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 180 | static int get_tune(u16 io) |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 181 | { |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 182 | outb(power+clk,io); |
| 183 | udelay(4); |
| 184 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | return !(inb(io) & mo_st); |
| 186 | } |
| 187 | |
| 188 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 189 | static int vidioc_querycap(struct file *file, void *priv, |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 190 | struct v4l2_capability *v) |
| 191 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 192 | struct maxiradio *dev = video_drvdata(file); |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 193 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 194 | strlcpy(v->driver, "radio-maxiradio", sizeof(v->driver)); |
| 195 | strlcpy(v->card, "Maxi Radio FM2000 radio", sizeof(v->card)); |
| 196 | snprintf(v->bus_info, sizeof(v->bus_info), "PCI:%s", pci_name(dev->pdev)); |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 197 | v->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO; |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 198 | return 0; |
| 199 | } |
| 200 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 201 | static int vidioc_g_tuner(struct file *file, void *priv, |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 202 | struct v4l2_tuner *v) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 204 | struct maxiradio *dev = video_drvdata(file); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 206 | if (v->index > 0) |
| 207 | return -EINVAL; |
Mauro Carvalho Chehab | e84fef6 | 2006-08-08 09:10:05 -0300 | [diff] [blame] | 208 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 209 | mutex_lock(&dev->lock); |
| 210 | strlcpy(v->name, "FM", sizeof(v->name)); |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 211 | v->type = V4L2_TUNER_RADIO; |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 212 | v->rangelow = FREQ_LO; |
| 213 | v->rangehigh = FREQ_HI; |
| 214 | v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; |
| 215 | v->capability = V4L2_TUNER_CAP_LOW; |
| 216 | if (get_stereo(dev->io)) |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 217 | v->audmode = V4L2_TUNER_MODE_STEREO; |
| 218 | else |
| 219 | v->audmode = V4L2_TUNER_MODE_MONO; |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 220 | v->signal = 0xffff * get_tune(dev->io); |
| 221 | mutex_unlock(&dev->lock); |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 222 | |
| 223 | return 0; |
| 224 | } |
| 225 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 226 | static int vidioc_s_tuner(struct file *file, void *priv, |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 227 | struct v4l2_tuner *v) |
| 228 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 229 | return v->index ? -EINVAL : 0; |
Mauro Carvalho Chehab | 140dcc4 | 2007-01-25 15:00:45 -0300 | [diff] [blame] | 230 | } |
| 231 | |
Mauro Carvalho Chehab | a0c05ab | 2007-01-25 16:48:13 -0300 | [diff] [blame] | 232 | static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i) |
| 233 | { |
| 234 | *i = 0; |
| 235 | return 0; |
| 236 | } |
| 237 | |
| 238 | static int vidioc_s_input(struct file *filp, void *priv, unsigned int i) |
| 239 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 240 | return i ? -EINVAL : 0; |
Mauro Carvalho Chehab | a0c05ab | 2007-01-25 16:48:13 -0300 | [diff] [blame] | 241 | } |
| 242 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 243 | static int vidioc_g_audio(struct file *file, void *priv, |
Mauro Carvalho Chehab | 140dcc4 | 2007-01-25 15:00:45 -0300 | [diff] [blame] | 244 | struct v4l2_audio *a) |
| 245 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 246 | a->index = 0; |
| 247 | strlcpy(a->name, "Radio", sizeof(a->name)); |
| 248 | a->capability = V4L2_AUDCAP_STEREO; |
Mauro Carvalho Chehab | 140dcc4 | 2007-01-25 15:00:45 -0300 | [diff] [blame] | 249 | return 0; |
| 250 | } |
| 251 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 252 | |
| 253 | static int vidioc_s_audio(struct file *file, void *priv, |
| 254 | struct v4l2_audio *a) |
| 255 | { |
| 256 | return a->index ? -EINVAL : 0; |
| 257 | } |
| 258 | |
| 259 | static int vidioc_s_frequency(struct file *file, void *priv, |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 260 | struct v4l2_frequency *f) |
| 261 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 262 | struct maxiradio *dev = video_drvdata(file); |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 263 | |
Hans Verkuil | a3a9e28 | 2009-11-27 04:33:25 -0300 | [diff] [blame] | 264 | if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO) |
| 265 | return -EINVAL; |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 266 | if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 267 | dprintk(dev, 1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n", |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 268 | f->frequency / 16000, |
| 269 | f->frequency % 16000 * 100 / 16000, |
| 270 | FREQ_LO / 16000, FREQ_HI / 16000); |
| 271 | |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 272 | return -EINVAL; |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 273 | } |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 274 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 275 | mutex_lock(&dev->lock); |
| 276 | dev->freq = f->frequency; |
| 277 | set_freq(dev, dev->freq); |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 278 | msleep(125); |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 279 | mutex_unlock(&dev->lock); |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 280 | |
| 281 | return 0; |
| 282 | } |
| 283 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 284 | static int vidioc_g_frequency(struct file *file, void *priv, |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 285 | struct v4l2_frequency *f) |
| 286 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 287 | struct maxiradio *dev = video_drvdata(file); |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 288 | |
Hans Verkuil | a3a9e28 | 2009-11-27 04:33:25 -0300 | [diff] [blame] | 289 | if (f->tuner != 0) |
| 290 | return -EINVAL; |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 291 | f->type = V4L2_TUNER_RADIO; |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 292 | f->frequency = dev->freq; |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 293 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 294 | dprintk(dev, 4, "radio freq is %d.%02d MHz", |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 295 | f->frequency / 16000, |
| 296 | f->frequency % 16000 * 100 / 16000); |
| 297 | |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 298 | return 0; |
| 299 | } |
| 300 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 301 | static int vidioc_queryctrl(struct file *file, void *priv, |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 302 | struct v4l2_queryctrl *qc) |
| 303 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 304 | switch (qc->id) { |
| 305 | case V4L2_CID_AUDIO_MUTE: |
| 306 | return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | } |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 308 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | } |
| 310 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 311 | static int vidioc_g_ctrl(struct file *file, void *priv, |
| 312 | struct v4l2_control *ctrl) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 314 | struct maxiradio *dev = video_drvdata(file); |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 315 | |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 316 | switch (ctrl->id) { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 317 | case V4L2_CID_AUDIO_MUTE: |
| 318 | ctrl->value = dev->muted; |
| 319 | return 0; |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 320 | } |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 321 | |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 322 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | } |
| 324 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 325 | static int vidioc_s_ctrl(struct file *file, void *priv, |
| 326 | struct v4l2_control *ctrl) |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 327 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 328 | struct maxiradio *dev = video_drvdata(file); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 330 | switch (ctrl->id) { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 331 | case V4L2_CID_AUDIO_MUTE: |
| 332 | mutex_lock(&dev->lock); |
| 333 | dev->muted = ctrl->value; |
| 334 | if (dev->muted) |
| 335 | turn_power(dev, 0); |
| 336 | else |
| 337 | set_freq(dev, dev->freq); |
| 338 | mutex_unlock(&dev->lock); |
| 339 | return 0; |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 340 | } |
Mauro Carvalho Chehab | f1557ce | 2007-01-26 07:23:44 -0300 | [diff] [blame] | 341 | |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 342 | return -EINVAL; |
| 343 | } |
| 344 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 345 | static const struct v4l2_file_operations maxiradio_fops = { |
| 346 | .owner = THIS_MODULE, |
Hans Verkuil | 32958fd | 2010-11-14 09:36:23 -0300 | [diff] [blame] | 347 | .unlocked_ioctl = video_ioctl2, |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 348 | }; |
| 349 | |
Hans Verkuil | a399810 | 2008-07-21 02:57:38 -0300 | [diff] [blame] | 350 | static const struct v4l2_ioctl_ops maxiradio_ioctl_ops = { |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 351 | .vidioc_querycap = vidioc_querycap, |
| 352 | .vidioc_g_tuner = vidioc_g_tuner, |
| 353 | .vidioc_s_tuner = vidioc_s_tuner, |
Mauro Carvalho Chehab | 140dcc4 | 2007-01-25 15:00:45 -0300 | [diff] [blame] | 354 | .vidioc_g_audio = vidioc_g_audio, |
| 355 | .vidioc_s_audio = vidioc_s_audio, |
Mauro Carvalho Chehab | a0c05ab | 2007-01-25 16:48:13 -0300 | [diff] [blame] | 356 | .vidioc_g_input = vidioc_g_input, |
| 357 | .vidioc_s_input = vidioc_s_input, |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 358 | .vidioc_g_frequency = vidioc_g_frequency, |
| 359 | .vidioc_s_frequency = vidioc_s_frequency, |
| 360 | .vidioc_queryctrl = vidioc_queryctrl, |
| 361 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 362 | .vidioc_s_ctrl = vidioc_s_ctrl, |
Mauro Carvalho Chehab | 06470ed | 2007-01-25 09:04:34 -0300 | [diff] [blame] | 363 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | |
| 365 | static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) |
| 366 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 367 | struct maxiradio *dev; |
| 368 | struct v4l2_device *v4l2_dev; |
| 369 | int retval = -ENOMEM; |
| 370 | |
| 371 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 372 | if (dev == NULL) { |
| 373 | dev_err(&pdev->dev, "not enough memory\n"); |
| 374 | return -ENOMEM; |
| 375 | } |
| 376 | |
| 377 | v4l2_dev = &dev->v4l2_dev; |
| 378 | mutex_init(&dev->lock); |
| 379 | dev->pdev = pdev; |
| 380 | dev->muted = 1; |
| 381 | dev->freq = FREQ_LO; |
| 382 | |
| 383 | strlcpy(v4l2_dev->name, "maxiradio", sizeof(v4l2_dev->name)); |
| 384 | |
| 385 | retval = v4l2_device_register(&pdev->dev, v4l2_dev); |
| 386 | if (retval < 0) { |
| 387 | v4l2_err(v4l2_dev, "Could not register v4l2_device\n"); |
| 388 | goto errfr; |
| 389 | } |
| 390 | |
| 391 | if (!request_region(pci_resource_start(pdev, 0), |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 392 | pci_resource_len(pdev, 0), "Maxi Radio FM 2000")) { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 393 | v4l2_err(v4l2_dev, "can't reserve I/O ports\n"); |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 394 | goto err_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | } |
| 396 | |
| 397 | if (pci_enable_device(pdev)) |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 398 | goto err_out_free_region; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 400 | dev->io = pci_resource_start(pdev, 0); |
| 401 | strlcpy(dev->vdev.name, v4l2_dev->name, sizeof(dev->vdev.name)); |
| 402 | dev->vdev.v4l2_dev = v4l2_dev; |
| 403 | dev->vdev.fops = &maxiradio_fops; |
| 404 | dev->vdev.ioctl_ops = &maxiradio_ioctl_ops; |
| 405 | dev->vdev.release = video_device_release_empty; |
| 406 | video_set_drvdata(&dev->vdev, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 408 | if (video_register_device(&dev->vdev, VFL_TYPE_RADIO, radio_nr) < 0) { |
| 409 | v4l2_err(v4l2_dev, "can't register device!"); |
Mauro Carvalho Chehab | 4286c6f | 2006-04-08 16:06:16 -0300 | [diff] [blame] | 410 | goto err_out_free_region; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | } |
| 412 | |
Michal Marek | 372c05c | 2011-04-01 12:41:20 +0200 | [diff] [blame] | 413 | v4l2_info(v4l2_dev, "version " DRIVER_VERSION "\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 415 | v4l2_info(v4l2_dev, "found Guillemot MAXI Radio device (io = 0x%x)\n", |
| 416 | dev->io); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | return 0; |
| 418 | |
| 419 | err_out_free_region: |
| 420 | release_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); |
| 421 | err_out: |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 422 | v4l2_device_unregister(v4l2_dev); |
| 423 | errfr: |
| 424 | kfree(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | return -ENODEV; |
| 426 | } |
| 427 | |
| 428 | static void __devexit maxiradio_remove_one(struct pci_dev *pdev) |
| 429 | { |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 430 | struct v4l2_device *v4l2_dev = dev_get_drvdata(&pdev->dev); |
| 431 | struct maxiradio *dev = to_maxiradio(v4l2_dev); |
| 432 | |
| 433 | video_unregister_device(&dev->vdev); |
| 434 | v4l2_device_unregister(&dev->v4l2_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | release_region(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); |
| 436 | } |
| 437 | |
| 438 | static struct pci_device_id maxiradio_pci_tbl[] = { |
| 439 | { PCI_VENDOR_ID_GUILLEMOT, PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO, |
| 440 | PCI_ANY_ID, PCI_ANY_ID, }, |
Hans Verkuil | 2710e6a | 2009-03-06 13:51:33 -0300 | [diff] [blame] | 441 | { 0 } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | }; |
| 443 | |
| 444 | MODULE_DEVICE_TABLE(pci, maxiradio_pci_tbl); |
| 445 | |
| 446 | static struct pci_driver maxiradio_driver = { |
| 447 | .name = "radio-maxiradio", |
| 448 | .id_table = maxiradio_pci_tbl, |
| 449 | .probe = maxiradio_init_one, |
| 450 | .remove = __devexit_p(maxiradio_remove_one), |
| 451 | }; |
| 452 | |
| 453 | static int __init maxiradio_radio_init(void) |
| 454 | { |
Richard Knutsson | 9bfab8c | 2005-11-30 00:59:34 +0100 | [diff] [blame] | 455 | return pci_register_driver(&maxiradio_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | } |
| 457 | |
| 458 | static void __exit maxiradio_radio_exit(void) |
| 459 | { |
| 460 | pci_unregister_driver(&maxiradio_driver); |
| 461 | } |
| 462 | |
| 463 | module_init(maxiradio_radio_init); |
| 464 | module_exit(maxiradio_radio_exit); |