// SPDX-License-Identifier: GPL-2.0-or-later /* * * Support for a cx23417 mpeg encoder via cx23885 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://sourceforge.net/projects/ivtv/> */ #include "cx23885.h" #include "cx23885-ioctl.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 <media/v4l2-common.h> #include <media/v4l2-ioctl.h> #include <media/drv-intf/cx2341x.h> #define CX23885_FIRM_IMAGE_SIZE … #define CX23885_FIRM_IMAGE_NAME … static unsigned int mpegbufs = …; module_param(mpegbufs, int, 0644); MODULE_PARM_DESC(…) …; 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 cx23885_tvnorm cx23885_tvnorms[] = …; /* ------------------------------------------------------------------ */ enum cx23885_capture_type { … }; enum cx23885_capture_bits { … }; enum cx23885_capture_end { … }; enum cx23885_framerate { … }; enum cx23885_stream_port { … }; enum cx23885_data_xfer_status { … }; enum cx23885_picture_mask { … }; enum cx23885_vbi_mode_bits { … }; enum cx23885_vbi_insertion_bits { … }; enum cx23885_dma_unit { … }; enum cx23885_dma_transfer_status_bits { … }; enum cx23885_pause { … }; enum cx23885_copyright { … }; enum cx23885_notification_type { … }; enum cx23885_notification_status { … }; enum cx23885_notification_mailbox { … }; enum cx23885_field1_lines { … }; enum cx23885_field2_lines { … }; enum cx23885_custom_data_type { … }; enum cx23885_mute { … }; enum cx23885_mute_video_mask { … }; enum cx23885_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 … /* MIADDR* nibble definitions */ #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 */ #define MCI_MODE_REGISTER_READ … #define MCI_MODE_REGISTER_WRITE … #define MCI_MODE_MEMORY_READ … #define MCI_MODE_MEMORY_WRITE … /*** 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 … void cx23885_mc417_init(struct cx23885_dev *dev) { … } static int mc417_wait_ready(struct cx23885_dev *dev) { … } int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value) { … } int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value) { … } int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value) { … } int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value) { … } void mc417_gpio_set(struct cx23885_dev *dev, u32 mask) { … } void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask) { … } void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput) { … } /* ------------------------------------------------------------------ */ /* MPEG encoder API */ static char *cmd_to_str(int cmd) { … } static int cx23885_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 cx23885_api_cmd(struct cx23885_dev *dev, u32 command, u32 inputcnt, u32 outputcnt, ...) { … } static int cx23885_api_func(void *priv, u32 cmd, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA]) { … } static int cx23885_find_mailbox(struct cx23885_dev *dev) { … } static int cx23885_load_firmware(struct cx23885_dev *dev) { … } void cx23885_417_check_encoder(struct cx23885_dev *dev) { … } static void cx23885_codec_settings(struct cx23885_dev *dev) { … } static int cx23885_initialize_codec(struct cx23885_dev *dev, int startencoder) { … } /* ------------------------------------------------------------------ */ 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 cx23885_start_streaming(struct vb2_queue *q, unsigned int count) { … } static void cx23885_stop_streaming(struct vb2_queue *q) { … } static const struct vb2_ops cx23885_qops = …; /* ------------------------------------------------------------------ */ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id) { … } static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) { … } static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) { … } 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_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_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_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 cx23885_mpeg_template = …; void cx23885_417_unregister(struct cx23885_dev *dev) { … } static struct video_device *cx23885_video_dev_alloc( struct cx23885_tsport *tsport, struct pci_dev *pci, struct video_device *template, char *type) { … } int cx23885_417_register(struct cx23885_dev *dev) { … } MODULE_FIRMWARE(…);
Codebase Browser
linux