// SPDX-License-Identifier: GPL-2.0-or-later /* * * device driver for philips saa7134 based TV cards * video4linux video interface * * (c) 2001-03 Gerd Knorr <[email protected]> [SuSE Labs] */ #include "saa7134.h" #include "saa7134-reg.h" #include <linux/init.h> #include <linux/list.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/slab.h> #include <linux/sort.h> #include <media/v4l2-common.h> #include <media/v4l2-event.h> #include <media/i2c/saa6588.h> /* ------------------------------------------------------------------ */ unsigned int video_debug; static unsigned int gbuffers = …; static unsigned int noninterlaced; /* 0 */ static unsigned int gbufsize = …; static unsigned int gbufsize_max = …; static char secam[] = …; module_param(video_debug, int, 0644); MODULE_PARM_DESC(…) …; module_param(gbuffers, int, 0444); MODULE_PARM_DESC(…) …; module_param(noninterlaced, int, 0644); MODULE_PARM_DESC(…) …; module_param_string(…); MODULE_PARM_DESC(…) …; #define video_dbg(fmt, arg...) … /* ------------------------------------------------------------------ */ /* Defines for Video Output Port Register at address 0x191 */ /* Bit 0: VIP code T bit polarity */ #define VP_T_CODE_P_NON_INVERTED … #define VP_T_CODE_P_INVERTED … /* ------------------------------------------------------------------ */ /* Defines for Video Output Port Register at address 0x195 */ /* Bit 2: Video output clock delay control */ #define VP_CLK_CTRL2_NOT_DELAYED … #define VP_CLK_CTRL2_DELAYED … /* Bit 1: Video output clock invert control */ #define VP_CLK_CTRL1_NON_INVERTED … #define VP_CLK_CTRL1_INVERTED … /* ------------------------------------------------------------------ */ /* Defines for Video Output Port Register at address 0x196 */ /* Bits 2 to 0: VSYNC pin video vertical sync type */ #define VP_VS_TYPE_MASK … #define VP_VS_TYPE_OFF … #define VP_VS_TYPE_V123 … #define VP_VS_TYPE_V_ITU … #define VP_VS_TYPE_VGATE_L … #define VP_VS_TYPE_RESERVED1 … #define VP_VS_TYPE_RESERVED2 … #define VP_VS_TYPE_F_ITU … #define VP_VS_TYPE_SC_FID … /* ------------------------------------------------------------------ */ /* data structs for video */ static int video_out[][9] = …; static struct saa7134_format formats[] = …; #define FORMATS … #define NORM_625_50 … #define NORM_525_60 … static struct saa7134_tvnorm tvnorms[] = …; #define TVNORMS … static struct saa7134_format* format_by_fourcc(unsigned int fourcc) { … } /* ------------------------------------------------------------------ */ static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) { … } static void video_mux(struct saa7134_dev *dev, int input) { … } static void saa7134_set_decoder(struct saa7134_dev *dev) { … } void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) { … } static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) { … } static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) { … } static void set_size(struct saa7134_dev *dev, int task, int width, int height, int interlace) { … } /* ------------------------------------------------------------------ */ /* * Media Controller helper functions */ static int saa7134_enable_analog_tuner(struct saa7134_dev *dev) { … } /* ------------------------------------------------------------------ */ static int buffer_activate(struct saa7134_dev *dev, struct saa7134_buf *buf, struct saa7134_buf *next) { … } static int buffer_init(struct vb2_buffer *vb2) { … } static int buffer_prepare(struct vb2_buffer *vb2) { … } static int queue_setup(struct vb2_queue *q, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { … } /* * move buffer to hardware queue */ void saa7134_vb2_buffer_queue(struct vb2_buffer *vb) { … } EXPORT_SYMBOL_GPL(…); int saa7134_vb2_start_streaming(struct vb2_queue *vq, unsigned int count) { … } void saa7134_vb2_stop_streaming(struct vb2_queue *vq) { … } static const struct vb2_ops vb2_qops = …; /* ------------------------------------------------------------------ */ static int saa7134_s_ctrl(struct v4l2_ctrl *ctrl) { … } /* ------------------------------------------------------------------ */ static int video_open(struct file *file) { … } static int video_release(struct file *file) { … } static ssize_t radio_read(struct file *file, char __user *data, size_t count, loff_t *ppos) { … } static __poll_t radio_poll(struct file *file, poll_table *wait) { … } /* ------------------------------------------------------------------ */ static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, struct v4l2_format *f) { … } static int saa7134_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { … } static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { … } static int saa7134_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { … } int saa7134_enum_input(struct file *file, void *priv, struct v4l2_input *i) { … } EXPORT_SYMBOL_GPL(…); int saa7134_g_input(struct file *file, void *priv, unsigned int *i) { … } EXPORT_SYMBOL_GPL(…); int saa7134_s_input(struct file *file, void *priv, unsigned int i) { … } EXPORT_SYMBOL_GPL(…); int saa7134_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { … } EXPORT_SYMBOL_GPL(…); int saa7134_s_std(struct file *file, void *priv, v4l2_std_id id) { … } EXPORT_SYMBOL_GPL(…); int saa7134_g_std(struct file *file, void *priv, v4l2_std_id *id) { … } EXPORT_SYMBOL_GPL(…); static v4l2_std_id saa7134_read_std(struct saa7134_dev *dev) { … } int saa7134_querystd(struct file *file, void *priv, v4l2_std_id *std) { … } EXPORT_SYMBOL_GPL(…); static int saa7134_g_pixelaspect(struct file *file, void *priv, int type, struct v4l2_fract *f) { … } static int saa7134_g_selection(struct file *file, void *f, struct v4l2_selection *sel) { … } static int saa7134_s_selection(struct file *file, void *f, struct v4l2_selection *sel) { … } int saa7134_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { … } EXPORT_SYMBOL_GPL(…); int saa7134_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) { … } EXPORT_SYMBOL_GPL(…); int saa7134_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { … } EXPORT_SYMBOL_GPL(…); int saa7134_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *f) { … } EXPORT_SYMBOL_GPL(…); static int saa7134_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { … } #ifdef CONFIG_VIDEO_ADV_DEBUG static int vidioc_g_register (struct file *file, void *priv, struct v4l2_dbg_register *reg) { … } static int vidioc_s_register (struct file *file, void *priv, const struct v4l2_dbg_register *reg) { … } #endif static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { … } static int radio_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) { … } static const struct v4l2_file_operations video_fops = …; static const struct v4l2_ioctl_ops video_ioctl_ops = …; static const struct v4l2_file_operations radio_fops = …; static const struct v4l2_ioctl_ops radio_ioctl_ops = …; /* ----------------------------------------------------------- */ /* exported stuff */ struct video_device saa7134_video_template = …; struct video_device saa7134_radio_template = …; static const struct v4l2_ctrl_ops saa7134_ctrl_ops = …; static const struct v4l2_ctrl_config saa7134_ctrl_invert = …; static const struct v4l2_ctrl_config saa7134_ctrl_y_odd = …; static const struct v4l2_ctrl_config saa7134_ctrl_y_even = …; static const struct v4l2_ctrl_config saa7134_ctrl_automute = …; int saa7134_video_init1(struct saa7134_dev *dev) { … } void saa7134_video_fini(struct saa7134_dev *dev) { … } int saa7134_videoport_init(struct saa7134_dev *dev) { … } int saa7134_video_init2(struct saa7134_dev *dev) { … } void saa7134_irq_video_signalchange(struct saa7134_dev *dev) { … } void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) { … }
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