// SPDX-License-Identifier: GPL-2.0-or-later /* * v4l2 driver for TEA5777 Philips AM/FM radio tuner chips * * Copyright (c) 2012 Hans de Goede <[email protected]> * * Based on the ALSA driver for TEA5757/5759 Philips AM/FM radio tuner chips: * * Copyright (c) 2004 Jaroslav Kysela <[email protected]> */ #include <linux/delay.h> #include <linux/init.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/slab.h> #include <media/v4l2-device.h> #include <media/v4l2-dev.h> #include <media/v4l2-fh.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-event.h> #include "radio-tea5777.h" MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; #define TEA5777_FM_IF … #define TEA5777_FM_FREQ_STEP … #define TEA5777_AM_IF … #define TEA5777_AM_FREQ_STEP … /* Write reg, common bits */ #define TEA5777_W_MUTE_MASK … #define TEA5777_W_MUTE_SHIFT … #define TEA5777_W_AM_FM_MASK … #define TEA5777_W_AM_FM_SHIFT … #define TEA5777_W_STB_MASK … #define TEA5777_W_STB_SHIFT … #define TEA5777_W_IFCE_MASK … #define TEA5777_W_IFCE_SHIFT … #define TEA5777_W_IFW_MASK … #define TEA5777_W_IFW_SHIFT … #define TEA5777_W_HILO_MASK … #define TEA5777_W_HILO_SHIFT … #define TEA5777_W_DBUS_MASK … #define TEA5777_W_DBUS_SHIFT … #define TEA5777_W_INTEXT_MASK … #define TEA5777_W_INTEXT_SHIFT … #define TEA5777_W_P1_MASK … #define TEA5777_W_P1_SHIFT … #define TEA5777_W_P0_MASK … #define TEA5777_W_P0_SHIFT … #define TEA5777_W_PEN1_MASK … #define TEA5777_W_PEN1_SHIFT … #define TEA5777_W_PEN0_MASK … #define TEA5777_W_PEN0_SHIFT … #define TEA5777_W_CHP0_MASK … #define TEA5777_W_CHP0_SHIFT … #define TEA5777_W_DEEM_MASK … #define TEA5777_W_DEEM_SHIFT … #define TEA5777_W_SEARCH_MASK … #define TEA5777_W_SEARCH_SHIFT … #define TEA5777_W_PROGBLIM_MASK … #define TEA5777_W_PROGBLIM_SHIFT … #define TEA5777_W_UPDWN_MASK … #define TEA5777_W_UPDWN_SHIFT … #define TEA5777_W_SLEV_MASK … #define TEA5777_W_SLEV_SHIFT … /* Write reg, FM specific bits */ #define TEA5777_W_FM_PLL_MASK … #define TEA5777_W_FM_PLL_SHIFT … #define TEA5777_W_FM_FREF_MASK … #define TEA5777_W_FM_FREF_SHIFT … #define TEA5777_W_FM_FREF_VALUE … #define TEA5777_W_FM_FORCEMONO_MASK … #define TEA5777_W_FM_FORCEMONO_SHIFT … #define TEA5777_W_FM_SDSOFF_MASK … #define TEA5777_W_FM_SDSOFF_SHIFT … #define TEA5777_W_FM_DOFF_MASK … #define TEA5777_W_FM_DOFF_SHIFT … #define TEA5777_W_FM_STEP_MASK … #define TEA5777_W_FM_STEP_SHIFT … /* Write reg, AM specific bits */ #define TEA5777_W_AM_PLL_MASK … #define TEA5777_W_AM_PLL_SHIFT … #define TEA5777_W_AM_AGCRF_MASK … #define TEA5777_W_AM_AGCRF_SHIFT … #define TEA5777_W_AM_AGCIF_MASK … #define TEA5777_W_AM_AGCIF_SHIFT … #define TEA5777_W_AM_MWLW_MASK … #define TEA5777_W_AM_MWLW_SHIFT … #define TEA5777_W_AM_LW … #define TEA5777_W_AM_MW … #define TEA5777_W_AM_LNA_MASK … #define TEA5777_W_AM_LNA_SHIFT … #define TEA5777_W_AM_PEAK_MASK … #define TEA5777_W_AM_PEAK_SHIFT … #define TEA5777_W_AM_RFB_MASK … #define TEA5777_W_AM_RFB_SHIFT … #define TEA5777_W_AM_CALLIGN_MASK … #define TEA5777_W_AM_CALLIGN_SHIFT … #define TEA5777_W_AM_CBANK_MASK … #define TEA5777_W_AM_CBANK_SHIFT … #define TEA5777_W_AM_DELAY_MASK … #define TEA5777_W_AM_DELAY_SHIFT … #define TEA5777_W_AM_STEP_MASK … #define TEA5777_W_AM_STEP_SHIFT … /* Read reg, common bits */ #define TEA5777_R_LEVEL_MASK … #define TEA5777_R_LEVEL_SHIFT … #define TEA5777_R_SFOUND_MASK … #define TEA5777_R_SFOUND_SHIFT … #define TEA5777_R_BLIM_MASK … #define TEA5777_R_BLIM_SHIFT … /* Read reg, FM specific bits */ #define TEA5777_R_FM_STEREO_MASK … #define TEA5777_R_FM_STEREO_SHIFT … #define TEA5777_R_FM_PLL_MASK … #define TEA5777_R_FM_PLL_SHIFT … enum { … }; static const struct v4l2_frequency_band bands[] = …; static u32 tea5777_freq_to_v4l2_freq(struct radio_tea5777 *tea, u32 freq) { … } int radio_tea5777_set_freq(struct radio_tea5777 *tea) { … } static int radio_tea5777_update_read_reg(struct radio_tea5777 *tea, int wait) { … } /* * Linux Video interface */ static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *v) { … } static int vidioc_enum_freq_bands(struct file *file, void *priv, struct v4l2_frequency_band *band) { … } static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *v) { … } static int vidioc_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *v) { … } static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { … } static int vidioc_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *f) { … } static int vidioc_s_hw_freq_seek(struct file *file, void *fh, const struct v4l2_hw_freq_seek *a) { … } static int tea575x_s_ctrl(struct v4l2_ctrl *c) { … } static const struct v4l2_file_operations tea575x_fops = …; static const struct v4l2_ioctl_ops tea575x_ioctl_ops = …; static const struct video_device tea575x_radio = …; static const struct v4l2_ctrl_ops tea575x_ctrl_ops = …; int radio_tea5777_init(struct radio_tea5777 *tea, struct module *owner) { … } EXPORT_SYMBOL_GPL(…); void radio_tea5777_exit(struct radio_tea5777 *tea) { … } EXPORT_SYMBOL_GPL(…);
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