// SPDX-License-Identifier: GPL-2.0-or-later /* * * Support for a cx23417 mpeg encoder via cx231xx host port. * * (c) 2004 Jelle Foks <[email protected]> * (c) 2004 Gerd Knorr <[email protected]> * (c) 2008 Steven Toth <[email protected]> * - CX23885/7/8 support * * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/), */ #include "cx231xx.h" #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/fs.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/firmware.h> #include <linux/slab.h> #include <linux/vmalloc.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-event.h> #include <media/drv-intf/cx2341x.h> #include <media/tuner.h> #define CX231xx_FIRM_IMAGE_SIZE … #define CX231xx_FIRM_IMAGE_NAME … /* for polaris ITVC */ #define ITVC_WRITE_DIR … #define ITVC_READ_DIR … #define MCI_MEMORY_DATA_BYTE0 … #define MCI_MEMORY_DATA_BYTE1 … #define MCI_MEMORY_DATA_BYTE2 … #define MCI_MEMORY_DATA_BYTE3 … #define MCI_MEMORY_ADDRESS_BYTE2 … #define MCI_MEMORY_ADDRESS_BYTE1 … #define MCI_MEMORY_ADDRESS_BYTE0 … #define MCI_REGISTER_DATA_BYTE0 … #define MCI_REGISTER_DATA_BYTE1 … #define MCI_REGISTER_DATA_BYTE2 … #define MCI_REGISTER_DATA_BYTE3 … #define MCI_REGISTER_ADDRESS_BYTE0 … #define MCI_REGISTER_ADDRESS_BYTE1 … #define MCI_REGISTER_MODE … /* Read and write modes for polaris ITVC */ #define MCI_MODE_REGISTER_READ … #define MCI_MODE_REGISTER_WRITE … #define MCI_MODE_MEMORY_READ … #define MCI_MODE_MEMORY_WRITE … static unsigned int mpeglines = …; module_param(mpeglines, int, 0644); MODULE_PARM_DESC(…) …; static unsigned int mpeglinesize = …; module_param(mpeglinesize, int, 0644); MODULE_PARM_DESC(…) …; static unsigned int v4l_debug = …; module_param(v4l_debug, int, 0644); MODULE_PARM_DESC(…) …; #define dprintk(level, fmt, arg...) … static struct cx231xx_tvnorm cx231xx_tvnorms[] = …; /* ------------------------------------------------------------------ */ enum cx231xx_capture_type { … }; enum cx231xx_capture_bits { … }; enum cx231xx_capture_end { … }; enum cx231xx_framerate { … }; enum cx231xx_stream_port { … }; enum cx231xx_data_xfer_status { … }; enum cx231xx_picture_mask { … }; enum cx231xx_vbi_mode_bits { … }; enum cx231xx_vbi_insertion_bits { … }; enum cx231xx_dma_unit { … }; enum cx231xx_dma_transfer_status_bits { … }; enum cx231xx_pause { … }; enum cx231xx_copyright { … }; enum cx231xx_notification_type { … }; enum cx231xx_notification_status { … }; enum cx231xx_notification_mailbox { … }; enum cx231xx_field1_lines { … }; enum cx231xx_field2_lines { … }; enum cx231xx_custom_data_type { … }; enum cx231xx_mute { … }; enum cx231xx_mute_video_mask { … }; enum cx231xx_mute_video_shift { … }; /* defines below are from ivtv-driver.h */ #define IVTV_CMD_HW_BLOCKS_RST … /* Firmware API commands */ #define IVTV_API_STD_TIMEOUT … /* Registers */ /* IVTV_REG_OFFSET */ #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 … /* * Bit definitions for MC417_RWD and MC417_OEN registers * * bits 31-16 *+-----------+ *| Reserved | *|+-----------+ *| bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8 *|+-------+-------+-------+-------+-------+-------+-------+-------+ *|| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0| *|+-------+-------+-------+-------+-------+-------+-------+-------+ *| bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 *|+-------+-------+-------+-------+-------+-------+-------+-------+ *||MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0| *|+-------+-------+-------+-------+-------+-------+-------+-------+ */ #define MC417_MIWR … #define MC417_MIRD … #define MC417_MICS … #define MC417_MIRDY … #define MC417_MIADDR … #define MC417_MIDATA … /* Bit definitions for MC417_CTL register **** *bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0 *+--------+-------------+--------+--------------+------------+ *|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN| *+--------+-------------+--------+--------------+------------+ */ #define MC417_SPD_CTL(x) … #define MC417_GPIO_SEL(x) … #define MC417_UART_GPIO_EN … /* Values for speed control */ #define MC417_SPD_CTL_SLOW … #define MC417_SPD_CTL_MEDIUM … #define MC417_SPD_CTL_FAST … /* Values for GPIO select */ #define MC417_GPIO_SEL_GPIO3 … #define MC417_GPIO_SEL_GPIO2 … #define MC417_GPIO_SEL_GPIO1 … #define MC417_GPIO_SEL_GPIO0 … #define CX23417_GPIO_MASK … static int set_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 value) { … } static int get_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 *val_ptr) { … } static int wait_for_mci_complete(struct cx231xx *dev) { … } static int mc417_register_write(struct cx231xx *dev, u16 address, u32 value) { … } static int mc417_register_read(struct cx231xx *dev, u16 address, u32 *value) { … } static int mc417_memory_write(struct cx231xx *dev, u32 address, u32 value) { … } static int mc417_memory_read(struct cx231xx *dev, u32 address, u32 *value) { … } /* ------------------------------------------------------------------ */ /* MPEG encoder API */ static char *cmd_to_str(int cmd) { … } static int cx231xx_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 cx231xx_api_cmd(struct cx231xx *dev, u32 command, u32 inputcnt, u32 outputcnt, ...) { … } static int cx231xx_find_mailbox(struct cx231xx *dev) { … } static void mci_write_memory_to_gpio(struct cx231xx *dev, u32 address, u32 value, u32 *p_fw_image) { … } static int cx231xx_load_firmware(struct cx231xx *dev) { … } static void cx231xx_codec_settings(struct cx231xx *dev) { … } static int cx231xx_initialize_codec(struct cx231xx *dev) { … } /* ------------------------------------------------------------------ */ static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { … } static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb, struct cx231xx_dmaqueue *dma_q) { … } static void buffer_filled(char *data, int len, struct urb *urb, struct cx231xx_dmaqueue *dma_q) { … } static int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) { … } static int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) { … } static void buffer_queue(struct vb2_buffer *vb) { … } static void return_all_buffers(struct cx231xx *dev, enum vb2_buffer_state state) { … } static int start_streaming(struct vb2_queue *vq, unsigned int count) { … } static void stop_streaming(struct vb2_queue *vq) { … } static const struct vb2_ops cx231xx_video_qops = …; /* ------------------------------------------------------------------ */ static int vidioc_g_pixelaspect(struct file *file, void *priv, int type, struct v4l2_fract *f) { … } static int vidioc_g_selection(struct file *file, void *priv, struct v4l2_selection *s) { … } static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm) { … } static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) { … } static int vidioc_s_ctrl(struct file *file, void *priv, struct v4l2_control *ctl) { … } 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_log_status(struct file *file, void *priv) { … } static const struct v4l2_file_operations mpeg_fops = …; static const struct v4l2_ioctl_ops mpeg_ioctl_ops = …; static struct video_device cx231xx_mpeg_template = …; void cx231xx_417_unregister(struct cx231xx *dev) { … } static int cx231xx_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val) { … } static int cx231xx_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx) { … } static const struct cx2341x_handler_ops cx231xx_ops = …; static void cx231xx_video_dev_init( struct cx231xx *dev, struct usb_device *usbdev, struct video_device *vfd, const struct video_device *template, const char *type) { … } int cx231xx_417_register(struct cx231xx *dev) { … } MODULE_FIRMWARE(…);
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