X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmedia%2Fradio%2Fradio-maxiradio.c;h=0133ecf3e040b0905f157581283c384f6ec7b876;hb=f39548a6ad1dbdfaab552419386ec5bb1d76fa0d;hp=fd2b9d944cd06168f6bbfab3fe00b7995896c875;hpb=a0c05ab9762560cf12733181d19b6529bb7231d2;p=linux-2.6-omap-h63xx.git diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c index fd2b9d944cd..0133ecf3e04 100644 --- a/drivers/media/radio/radio-maxiradio.c +++ b/drivers/media/radio/radio-maxiradio.c @@ -45,10 +45,18 @@ #include #include -#define DRIVER_VERSION "0.76" +#define DRIVER_VERSION "0.77" #include /* for KERNEL_VERSION MACRO */ -#define RADIO_VERSION KERNEL_VERSION(0,7,6) +#define RADIO_VERSION KERNEL_VERSION(0,7,7) + +static struct video_device maxiradio_radio; + +#define dprintk(num, fmt, arg...) \ + do { \ + if (maxiradio_radio.debug >= num) \ + printk(KERN_DEBUG "%s: " fmt, \ + maxiradio_radio.name, ## arg); } while (0) static struct v4l2_queryctrl radio_qctrl[] = { { @@ -83,8 +91,9 @@ module_param(radio_nr, int, 0); #define FREQ_IF 171200 /* 10.7*16000 */ #define FREQ_STEP 200 /* 12.5*16 */ -#define FREQ2BITS(x) ((( (unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1))\ - /(FREQ_STEP<<2))<<2) /* (x==fmhz*16*1000) -> bits */ +/* (x==fmhz*16*1000) -> bits */ +#define FREQ2BITS(x) ((( (unsigned int)(x)+FREQ_IF+(FREQ_STEP<<1)) \ + /(FREQ_STEP<<2))<<2) #define BITS2FREQ(x) ((x) * FREQ_STEP - FREQ_IF) @@ -94,7 +103,9 @@ static const struct file_operations maxiradio_fops = { .open = video_exclusive_open, .release = video_exclusive_release, .ioctl = video_ioctl2, +#ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, +#endif .llseek = no_llseek, }; @@ -108,12 +119,14 @@ static struct radio_device unsigned long freq; struct mutex lock; -} radio_unit = {0, 0, 0, 0, }; - +} radio_unit = { + .muted =1, + .freq = FREQ_LO, +}; static void outbit(unsigned long bit, __u16 io) { - if(bit != 0) + if (bit != 0) { outb( power|wren|data ,io); udelay(4); outb( power|wren|data|clk ,io); udelay(4); @@ -129,14 +142,20 @@ static void outbit(unsigned long bit, __u16 io) static void turn_power(__u16 io, int p) { - if(p != 0) outb(power, io); else outb(0,io); + if (p != 0) { + dprintk(1, "Radio powered on\n"); + outb(power, io); + } else { + dprintk(1, "Radio powered off\n"); + outb(0,io); + } } - -static void set_freq(__u16 io, __u32 data) +static void set_freq(__u16 io, __u32 freq) { unsigned long int si; int bl; + int data = FREQ2BITS(freq); /* TEA5757 shift register bits (see pdf) */ @@ -155,20 +174,31 @@ static void set_freq(__u16 io, __u32 data) outbit(0,io); // 16 search level si = 0x8000; - for(bl = 1; bl <= 16 ; bl++) { outbit(data & si,io); si >>=1; } + for (bl = 1; bl <= 16 ; bl++) { + outbit(data & si,io); + si >>=1; + } - outb(power,io); + dprintk(1, "Radio freq set to %d.%02d MHz\n", + freq / 16000, + freq % 16000 * 100 / 16000); + + turn_power(io, 1); } static int get_stereo(__u16 io) { - outb(power,io); udelay(4); + outb(power,io); + udelay(4); + return !(inb(io) & mo_st); } static int get_tune(__u16 io) { - outb(power+clk,io); udelay(4); + outb(power+clk,io); + udelay(4); + return !(inb(io) & mo_st); } @@ -226,7 +256,7 @@ static int vidioc_g_audio (struct file *file, void *priv, if (a->index > 1) return -EINVAL; - strcpy(a->name, "Radio"); + strcpy(a->name, "FM"); a->capability = V4L2_AUDCAP_STEREO; return 0; } @@ -234,6 +264,7 @@ static int vidioc_g_audio (struct file *file, void *priv, static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i) { *i = 0; + return 0; } @@ -241,6 +272,7 @@ static int vidioc_s_input(struct file *filp, void *priv, unsigned int i) { if (i != 0) return -EINVAL; + return 0; } @@ -260,11 +292,17 @@ static int vidioc_s_frequency (struct file *file, void *priv, struct video_device *dev = video_devdata(file); struct radio_device *card=dev->priv; - if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) + if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) { + dprintk(1, "radio freq (%d.%02d MHz) out of range (%d-%d)\n", + f->frequency / 16000, + f->frequency % 16000 * 100 / 16000, + FREQ_LO / 16000, FREQ_HI / 16000); + return -EINVAL; + } card->freq = f->frequency; - set_freq(card->io, FREQ2BITS(card->freq)); + set_freq(card->io, card->freq); msleep(125); return 0; @@ -279,6 +317,10 @@ static int vidioc_g_frequency (struct file *file, void *priv, f->type = V4L2_TUNER_RADIO; f->frequency = card->freq; + dprintk(4, "radio freq is %d.%02d MHz", + f->frequency / 16000, + f->frequency % 16000 * 100 / 16000); + return 0; } @@ -293,6 +335,7 @@ static int vidioc_queryctrl (struct file *file, void *priv, return (0); } } + return -EINVAL; } @@ -307,6 +350,7 @@ static int vidioc_g_ctrl (struct file *file, void *priv, ctrl->value=card->muted; return (0); } + return -EINVAL; } @@ -322,9 +366,10 @@ static int vidioc_s_ctrl (struct file *file, void *priv, if(card->muted) turn_power(card->io, 0); else - set_freq(card->io, FREQ2BITS(card->freq)); + set_freq(card->io, card->freq); return 0; } + return -EINVAL; } @@ -347,7 +392,6 @@ static struct video_device maxiradio_radio = .vidioc_queryctrl = vidioc_queryctrl, .vidioc_g_ctrl = vidioc_g_ctrl, .vidioc_s_ctrl = vidioc_s_ctrl, - }; static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) @@ -365,7 +409,7 @@ static int __devinit maxiradio_init_one(struct pci_dev *pdev, const struct pci_d mutex_init(&radio_unit.lock); maxiradio_radio.priv = &radio_unit; - if(video_register_device(&maxiradio_radio, VFL_TYPE_RADIO, radio_nr)==-1) { + if (video_register_device(&maxiradio_radio, VFL_TYPE_RADIO, radio_nr)==-1) { printk("radio-maxiradio: can't register device!"); goto err_out_free_region; }