From 9b76ede411145d7456ae5e467b65003ca7990b06 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 27 Feb 2009 11:51:24 -0300 Subject: [PATCH] V4L/DVB (10771): tea575x-tuner: convert it to V4L2 API Signed-off-by: Mauro Carvalho Chehab --- include/sound/tea575x-tuner.h | 8 +- sound/i2c/other/tea575x-tuner.c | 302 ++++++++++++++++++++++---------- sound/pci/Kconfig | 2 +- 3 files changed, 212 insertions(+), 100 deletions(-) diff --git a/include/sound/tea575x-tuner.h b/include/sound/tea575x-tuner.h index 426899e529c..5718a02d3af 100644 --- a/include/sound/tea575x-tuner.h +++ b/include/sound/tea575x-tuner.h @@ -22,8 +22,9 @@ * */ -#include +#include #include +#include struct snd_tea575x; @@ -35,11 +36,10 @@ struct snd_tea575x_ops { struct snd_tea575x { struct snd_card *card; - struct video_device vd; /* video device */ - struct v4l2_file_operations fops; + struct video_device *vd; /* video device */ int dev_nr; /* requested device number + 1 */ - int vd_registered; /* video device is registered */ int tea5759; /* 5759 chip is present */ + int mute; /* Device is muted? */ unsigned int freq_fixup; /* crystal onboard */ unsigned int val; /* hw value */ unsigned long freq; /* frequency */ diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c index 9d98a6658ac..d31c373e076 100644 --- a/sound/i2c/other/tea575x-tuner.c +++ b/sound/i2c/other/tea575x-tuner.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include @@ -31,6 +32,13 @@ MODULE_AUTHOR("Jaroslav Kysela "); MODULE_DESCRIPTION("Routines for control of TEA5757/5759 Philips AM/FM radio tuner chips"); MODULE_LICENSE("GPL"); +static int radio_nr = -1; +module_param(radio_nr, int, 0); + +#define RADIO_VERSION KERNEL_VERSION(0, 0, 2) +#define FREQ_LO (87 * 16000) +#define FREQ_HI (108 * 16000) + /* * definitions */ @@ -53,6 +61,17 @@ MODULE_LICENSE("GPL"); #define TEA575X_BIT_DUMMY (1<<15) /* buffer */ #define TEA575X_BIT_FREQ_MASK 0x7fff +static struct v4l2_queryctrl radio_qctrl[] = { + { + .id = V4L2_CID_AUDIO_MUTE, + .name = "Mute", + .minimum = 0, + .maximum = 1, + .default_value = 1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + } +}; + /* * lowlevel part */ @@ -84,94 +103,146 @@ static void snd_tea575x_set_freq(struct snd_tea575x *tea) * Linux Video interface */ -static long snd_tea575x_ioctl(struct file *file, - unsigned int cmd, unsigned long data) +static int vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *v) { struct snd_tea575x *tea = video_drvdata(file); - void __user *arg = (void __user *)data; - - switch(cmd) { - case VIDIOCGCAP: - { - struct video_capability v; - v.type = VID_TYPE_TUNER; - v.channels = 1; - v.audios = 1; - /* No we don't do pictures */ - v.maxwidth = 0; - v.maxheight = 0; - v.minwidth = 0; - v.minheight = 0; - strcpy(v.name, tea->tea5759 ? "TEA5759" : "TEA5757"); - if (copy_to_user(arg,&v,sizeof(v))) - return -EFAULT; - return 0; - } - case VIDIOCGTUNER: - { - struct video_tuner v; - if (copy_from_user(&v, arg,sizeof(v))!=0) - return -EFAULT; - if (v.tuner) /* Only 1 tuner */ - return -EINVAL; - v.rangelow = (87*16000); - v.rangehigh = (108*16000); - v.flags = VIDEO_TUNER_LOW; - v.mode = VIDEO_MODE_AUTO; - strcpy(v.name, "FM"); - v.signal = 0xFFFF; - if (copy_to_user(arg, &v, sizeof(v))) - return -EFAULT; - return 0; - } - case VIDIOCSTUNER: - { - struct video_tuner v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if(v.tuner!=0) - return -EINVAL; - /* Only 1 tuner so no setting needed ! */ + + strcpy(v->card, tea->tea5759 ? "TEA5759" : "TEA5757"); + strlcpy(v->driver, "tea575x-tuner", sizeof(v->driver)); + strlcpy(v->card, "Maestro Radio", sizeof(v->card)); + sprintf(v->bus_info, "PCI"); + v->version = RADIO_VERSION; + v->capabilities = V4L2_CAP_TUNER; + return 0; +} + +static int vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *v) +{ + if (v->index > 0) + return -EINVAL; + + strcpy(v->name, "FM"); + v->type = V4L2_TUNER_RADIO; + v->rangelow = FREQ_LO; + v->rangehigh = FREQ_HI; + v->rxsubchans = V4L2_TUNER_SUB_MONO|V4L2_TUNER_SUB_STEREO; + v->capability = V4L2_TUNER_CAP_LOW; + v->audmode = V4L2_TUNER_MODE_MONO; + v->signal = 0xffff; + return 0; +} + +static int vidioc_s_tuner(struct file *file, void *priv, + struct v4l2_tuner *v) +{ + if (v->index > 0) + return -EINVAL; + return 0; +} + +static int vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct snd_tea575x *tea = video_drvdata(file); + + f->type = V4L2_TUNER_RADIO; + f->frequency = tea->freq; + return 0; +} + +static int vidioc_s_frequency(struct file *file, void *priv, + struct v4l2_frequency *f) +{ + struct snd_tea575x *tea = video_drvdata(file); + + if (f->frequency < FREQ_LO || f->frequency > FREQ_HI) + return -EINVAL; + + tea->freq = f->frequency; + + snd_tea575x_set_freq(tea); + + return 0; +} + +static int vidioc_g_audio(struct file *file, void *priv, + struct v4l2_audio *a) +{ + if (a->index > 1) + return -EINVAL; + + strcpy(a->name, "Radio"); + a->capability = V4L2_AUDCAP_STEREO; + return 0; +} + +static int vidioc_s_audio(struct file *file, void *priv, + struct v4l2_audio *a) +{ + if (a->index != 0) + return -EINVAL; + return 0; +} + +static int vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) { + if (qc->id && qc->id == radio_qctrl[i].id) { + memcpy(qc, &(radio_qctrl[i]), + sizeof(*qc)); return 0; } - case VIDIOCGFREQ: - if(copy_to_user(arg, &tea->freq, sizeof(tea->freq))) - return -EFAULT; - return 0; - case VIDIOCSFREQ: - if(copy_from_user(&tea->freq, arg, sizeof(tea->freq))) - return -EFAULT; - snd_tea575x_set_freq(tea); - return 0; - case VIDIOCGAUDIO: - { - struct video_audio v; - memset(&v, 0, sizeof(v)); - strcpy(v.name, "Radio"); - if(copy_to_user(arg,&v, sizeof(v))) - return -EFAULT; + } + return -EINVAL; +} + +static int vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct snd_tea575x *tea = video_drvdata(file); + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + if (tea->ops->mute) { + ctrl->value = tea->mute; return 0; } - case VIDIOCSAUDIO: - { - struct video_audio v; - if(copy_from_user(&v, arg, sizeof(v))) - return -EFAULT; - if (tea->ops->mute) - tea->ops->mute(tea, - (v.flags & - VIDEO_AUDIO_MUTE) ? 1 : 0); - if(v.audio) - return -EINVAL; + } + return -EINVAL; +} + +static int vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct snd_tea575x *tea = video_drvdata(file); + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + if (tea->ops->mute) { + tea->ops->mute(tea, ctrl->value); + tea->mute = 1; return 0; } - default: - return -ENOIOCTLCMD; } + return -EINVAL; +} + +static int vidioc_g_input(struct file *filp, void *priv, unsigned int *i) +{ + *i = 0; + return 0; } -static void snd_tea575x_release(struct video_device *vfd) +static int vidioc_s_input(struct file *filp, void *priv, unsigned int i) { + if (i != 0) + return -EINVAL; + return 0; } static int snd_tea575x_exclusive_open(struct file *file) @@ -189,50 +260,91 @@ static int snd_tea575x_exclusive_release(struct file *file) return 0; } +static const struct v4l2_file_operations tea575x_fops = { + .owner = THIS_MODULE, + .open = snd_tea575x_exclusive_open, + .release = snd_tea575x_exclusive_release, + .ioctl = video_ioctl2, +}; + +static const struct v4l2_ioctl_ops tea575x_ioctl_ops = { + .vidioc_querycap = vidioc_querycap, + .vidioc_g_tuner = vidioc_g_tuner, + .vidioc_s_tuner = vidioc_s_tuner, + .vidioc_g_audio = vidioc_g_audio, + .vidioc_s_audio = vidioc_s_audio, + .vidioc_g_input = vidioc_g_input, + .vidioc_s_input = vidioc_s_input, + .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, +}; + +static struct video_device tea575x_radio = { + .name = "tea575x-tuner", + .fops = &tea575x_fops, + .ioctl_ops = &tea575x_ioctl_ops, + .release = video_device_release, +}; + /* * initialize all the tea575x chips */ void snd_tea575x_init(struct snd_tea575x *tea) { + int retval; unsigned int val; + struct video_device *tea575x_radio_inst; val = tea->ops->read(tea); if (val == 0x1ffffff || val == 0) { - snd_printk(KERN_ERR "Cannot find TEA575x chip\n"); + snd_printk(KERN_ERR + "tea575x-tuner: Cannot find TEA575x chip\n"); return; } - memset(&tea->vd, 0, sizeof(tea->vd)); - strcpy(tea->vd.name, tea->tea5759 ? "TEA5759 radio" : "TEA5757 radio"); - tea->vd.release = snd_tea575x_release; - video_set_drvdata(&tea->vd, tea); - tea->vd.fops = &tea->fops; tea->in_use = 0; - tea->fops.owner = tea->card->module; - tea->fops.open = snd_tea575x_exclusive_open; - tea->fops.release = snd_tea575x_exclusive_release; - tea->fops.ioctl = snd_tea575x_ioctl; - if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) { - snd_printk(KERN_ERR "unable to register tea575x tuner\n"); + tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40; + tea->freq = 90500 * 16; /* 90.5Mhz default */ + + tea575x_radio_inst = video_device_alloc(); + if (tea575x_radio_inst == NULL) { + printk(KERN_ERR "tea575x-tuner: not enough memory\n"); return; } - tea->vd_registered = 1; - tea->val = TEA575X_BIT_BAND_FM | TEA575X_BIT_SEARCH_10_40; - tea->freq = 90500 * 16; /* 90.5Mhz default */ + memcpy(tea575x_radio_inst, &tea575x_radio, sizeof(tea575x_radio)); + + strcpy(tea575x_radio.name, tea->tea5759 ? + "TEA5759 radio" : "TEA5757 radio"); + + video_set_drvdata(tea575x_radio_inst, tea); + + retval = video_register_device(tea575x_radio_inst, + VFL_TYPE_RADIO, radio_nr); + if (retval) { + printk(KERN_ERR "tea575x-tuner: can't register video device!\n"); + kfree(tea575x_radio_inst); + return; + } snd_tea575x_set_freq(tea); /* mute on init */ - if (tea->ops->mute) + if (tea->ops->mute) { tea->ops->mute(tea, 1); + tea->mute = 1; + } + tea->vd = tea575x_radio_inst; } void snd_tea575x_exit(struct snd_tea575x *tea) { - if (tea->vd_registered) { - video_unregister_device(&tea->vd); - tea->vd_registered = 0; + if (tea->vd) { + video_unregister_device(tea->vd); + tea->vd = NULL; } } diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index ca25e6179d7..93422e3a3f0 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -507,7 +507,7 @@ config SND_FM801 config SND_FM801_TEA575X_BOOL bool "ForteMedia FM801 + TEA5757 tuner" depends on SND_FM801 - depends on VIDEO_V4L1=y || VIDEO_V4L1=SND_FM801 + depends on VIDEO_V4L2=y || VIDEO_V4L2=SND_FM801 help Say Y here to include support for soundcards based on the ForteMedia FM801 chip with a TEA5757 tuner connected to GPIO1-3 pins (Media -- 2.41.0