#ifndef __SOUND_TEA575X_TUNER_H #define __SOUND_TEA575X_TUNER_H /* * ALSA driver for TEA5757/5759 Philips AM/FM tuner chips * * Copyright (c) 2004 Jaroslav Kysela * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include #include #include #include #define TEA575X_FMIF 10700 #define TEA575X_AMIF 450 #define TEA575X_DATA (1 << 0) #define TEA575X_CLK (1 << 1) #define TEA575X_WREN (1 << 2) #define TEA575X_MOST (1 << 3) struct snd_tea575x; struct snd_tea575x_ops { /* Drivers using snd_tea575x must either define read_ and write_val */ void (*write_val)(struct snd_tea575x *tea, u32 val); u32 (*read_val)(struct snd_tea575x *tea); /* Or define the 3 pin functions */ void (*set_pins)(struct snd_tea575x *tea, u8 pins); u8 (*get_pins)(struct snd_tea575x *tea); void (*set_direction)(struct snd_tea575x *tea, bool output); }; struct snd_tea575x { struct v4l2_device *v4l2_dev; struct v4l2_file_operations fops; struct video_device vd; /* video device */ int radio_nr; /* radio_nr */ bool tea5759; /* 5759 chip is present */ bool has_am; /* Device can tune to AM freqs */ bool cannot_read_data; /* Device cannot read the data pin */ bool cannot_mute; /* Device cannot mute */ bool mute; /* Device is muted? */ bool stereo; /* receiving stereo */ bool tuned; /* tuned to a station */ unsigned int val; /* hw value */ u32 band; /* 0: FM, 1: FM-Japan, 2: AM */ u32 freq; /* frequency */ struct mutex mutex; const struct snd_tea575x_ops *ops; void *private_data; u8 card[32]; u8 bus_info[32]; struct v4l2_ctrl_handler ctrl_handler; int (*ext_init)(struct snd_tea575x *tea); }; int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea, struct v4l2_frequency_band *band); int snd_tea575x_g_tuner(struct snd_tea575x *tea, struct v4l2_tuner *v); int snd_tea575x_s_hw_freq_seek(struct file *file, struct snd_tea575x *tea, const struct v4l2_hw_freq_seek *a); int snd_tea575x_hw_init(struct snd_tea575x *tea); int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner); void snd_tea575x_exit(struct snd_tea575x *tea); void snd_tea575x_set_freq(struct snd_tea575x *tea); #endif /* __SOUND_TEA575X_TUNER_H */ net?h=nds-private-remove&id=cf3e80df13e534eb34a85835d5357c78d8689199'>net/sched/em_cmp.c

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