// SPDX-License-Identifier: GPL-2.0-or-later /* * Support for a cx23416 mpeg encoder via cx2388x host port. * "blackbird" reference design. * * (c) 2004 Jelle Foks <[email protected]> * (c) 2004 Gerd Knorr <[email protected]> * * (c) 2005-2006 Mauro Carvalho Chehab <[email protected]> * - video_ioctl2 conversion * * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/> */ #include "cx88.h" #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/fs.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/firmware.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-event.h> #include <media/drv-intf/cx2341x.h> MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; MODULE_VERSION(…); static unsigned int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(…) …; #define dprintk(level, fmt, arg...) … /* ------------------------------------------------------------------ */ #define BLACKBIRD_FIRM_IMAGE_SIZE … /* defines below are from ivtv-driver.h */ #define IVTV_CMD_HW_BLOCKS_RST … /* Firmware API commands */ #define IVTV_API_STD_TIMEOUT … enum blackbird_capture_type { … }; enum blackbird_capture_bits { … }; enum blackbird_capture_end { … }; enum blackbird_framerate { … }; enum blackbird_stream_port { … }; enum blackbird_data_xfer_status { … }; enum blackbird_picture_mask { … }; enum blackbird_vbi_mode_bits { … }; enum blackbird_vbi_insertion_bits { … }; enum blackbird_dma_unit { … }; enum blackbird_dma_transfer_status_bits { … }; enum blackbird_pause { … }; enum blackbird_copyright { … }; enum blackbird_notification_type { … }; enum blackbird_notification_status { … }; enum blackbird_notification_mailbox { … }; enum blackbird_field1_lines { … }; enum blackbird_field2_lines { … }; enum blackbird_custom_data_type { … }; enum blackbird_mute { … }; enum blackbird_mute_video_mask { … }; enum blackbird_mute_video_shift { … }; /* Registers */ #define IVTV_REG_ENC_SDRAM_REFRESH … #define IVTV_REG_ENC_SDRAM_PRECHARGE … #define IVTV_REG_SPU … #define IVTV_REG_HW_BLOCKS … #define IVTV_REG_VPU … #define IVTV_REG_APU … /* ------------------------------------------------------------------ */ static void host_setup(struct cx88_core *core) { … } /* ------------------------------------------------------------------ */ #define P1_MDATA0 … #define P1_MDATA1 … #define P1_MDATA2 … #define P1_MDATA3 … #define P1_MADDR2 … #define P1_MADDR1 … #define P1_MADDR0 … #define P1_RDATA0 … #define P1_RDATA1 … #define P1_RDATA2 … #define P1_RDATA3 … #define P1_RADDR0 … #define P1_RADDR1 … #define P1_RRDWR … static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state) { … } static int memory_write(struct cx88_core *core, u32 address, u32 value) { … } static int memory_read(struct cx88_core *core, u32 address, u32 *value) { … } static int register_write(struct cx88_core *core, u32 address, u32 value) { … } static int register_read(struct cx88_core *core, u32 address, u32 *value) { … } /* ------------------------------------------------------------------ */ static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) { … } /* ------------------------------------------------------------------ */ /* * We don't need to call the API often, so using just one mailbox * will probably suffice */ static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command, u32 inputcnt, u32 outputcnt, ...) { … } static int blackbird_find_mailbox(struct cx8802_dev *dev) { … } static int blackbird_load_firmware(struct cx8802_dev *dev) { … } /* * Settings used by the windows tv app for PVR2000: * ================================================================================================================= * Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode * ----------------------------------------------------------------------------------------------------------------- * MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo * ================================================================================================================= * [*] DB: "DirectBurn" */ static void blackbird_codec_settings(struct cx8802_dev *dev) { … } static int blackbird_initialize_codec(struct cx8802_dev *dev) { … } static int blackbird_start_codec(struct cx8802_dev *dev) { … } static int blackbird_stop_codec(struct cx8802_dev *dev) { … } /* ------------------------------------------------------------------ */ static int queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { … } static int buffer_prepare(struct vb2_buffer *vb) { … } static void buffer_finish(struct vb2_buffer *vb) { … } static void buffer_queue(struct vb2_buffer *vb) { … } static int start_streaming(struct vb2_queue *q, unsigned int count) { … } static void stop_streaming(struct vb2_queue *q) { … } static const struct vb2_ops blackbird_qops = …; /* ------------------------------------------------------------------ */ static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { … } static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { … } static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { … } static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { … } static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { … } static int vidioc_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *f) { … } static int vidioc_log_status(struct file *file, void *priv) { … } static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) { … } static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *f) { … } static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) { … } static int vidioc_s_input(struct file *file, void *priv, unsigned int i) { … } static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) { … } static int vidioc_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) { … } static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) { … } static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) { … } static const struct v4l2_file_operations mpeg_fops = …; static const struct v4l2_ioctl_ops mpeg_ioctl_ops = …; static const struct video_device cx8802_mpeg_template = …; /* ------------------------------------------------------------------ */ /* The CX8802 MPEG API will call this when we can use the hardware */ static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv) { … } /* The CX8802 MPEG API will call this when we need to release the hardware */ static int cx8802_blackbird_advise_release(struct cx8802_driver *drv) { … } static void blackbird_unregister_video(struct cx8802_dev *dev) { … } static int blackbird_register_video(struct cx8802_dev *dev) { … } /* ----------------------------------------------------------- */ static int cx8802_blackbird_probe(struct cx8802_driver *drv) { … } static int cx8802_blackbird_remove(struct cx8802_driver *drv) { … } static struct cx8802_driver cx8802_blackbird_driver = …; static int __init blackbird_init(void) { … } static void __exit blackbird_fini(void) { … } module_init(…) …; module_exit(blackbird_fini);
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