| /* |
| * cx18 driver internal defines and structures |
| * |
| * Derived from ivtv-driver.h |
| * |
| * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| * 02111-1307 USA |
| */ |
| |
| #ifndef CX18_DRIVER_H |
| #define CX18_DRIVER_H |
| |
| #include <linux/version.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/sched.h> |
| #include <linux/fs.h> |
| #include <linux/pci.h> |
| #include <linux/interrupt.h> |
| #include <linux/spinlock.h> |
| #include <linux/i2c.h> |
| #include <linux/i2c-algo-bit.h> |
| #include <linux/list.h> |
| #include <linux/unistd.h> |
| #include <linux/byteorder/swab.h> |
| #include <linux/pagemap.h> |
| #include <linux/workqueue.h> |
| #include <linux/mutex.h> |
| |
| #include <linux/dvb/video.h> |
| #include <linux/dvb/audio.h> |
| #include <media/v4l2-common.h> |
| #include <media/tuner.h> |
| #include "cx18-mailbox.h" |
| #include "cx18-av-core.h" |
| #include "cx23418.h" |
| |
| /* DVB */ |
| #include "demux.h" |
| #include "dmxdev.h" |
| #include "dvb_demux.h" |
| #include "dvb_frontend.h" |
| #include "dvb_net.h" |
| #include "dvbdev.h" |
| |
| #ifndef CONFIG_PCI |
| # error "This driver requires kernel PCI support." |
| #endif |
| |
| #define CX18_MEM_OFFSET 0x00000000 |
| #define CX18_MEM_SIZE 0x04000000 |
| #define CX18_REG_OFFSET 0x02000000 |
| |
| /* Maximum cx18 driver instances. */ |
| #define CX18_MAX_CARDS 32 |
| |
| /* Supported cards */ |
| #define CX18_CARD_HVR_1600_ESMT 0 /* Hauppauge HVR 1600 (ESMT memory) */ |
| #define CX18_CARD_HVR_1600_SAMSUNG 1 /* Hauppauge HVR 1600 (Samsung memory) */ |
| #define CX18_CARD_COMPRO_H900 2 /* Compro VideoMate H900 */ |
| #define CX18_CARD_YUAN_MPC718 3 /* Yuan MPC718 */ |
| #define CX18_CARD_LAST 3 |
| |
| #define CX18_ENC_STREAM_TYPE_MPG 0 |
| #define CX18_ENC_STREAM_TYPE_TS 1 |
| #define CX18_ENC_STREAM_TYPE_YUV 2 |
| #define CX18_ENC_STREAM_TYPE_VBI 3 |
| #define CX18_ENC_STREAM_TYPE_PCM 4 |
| #define CX18_ENC_STREAM_TYPE_IDX 5 |
| #define CX18_ENC_STREAM_TYPE_RAD 6 |
| #define CX18_MAX_STREAMS 7 |
| |
| /* system vendor and device IDs */ |
| #define PCI_VENDOR_ID_CX 0x14f1 |
| #define PCI_DEVICE_ID_CX23418 0x5b7a |
| |
| /* subsystem vendor ID */ |
| #define CX18_PCI_ID_HAUPPAUGE 0x0070 |
| #define CX18_PCI_ID_COMPRO 0x185b |
| #define CX18_PCI_ID_YUAN 0x12ab |
| |
| /* ======================================================================== */ |
| /* ========================== START USER SETTABLE DMA VARIABLES =========== */ |
| /* ======================================================================== */ |
| |
| /* DMA Buffers, Default size in MB allocated */ |
| #define CX18_DEFAULT_ENC_TS_BUFFERS 1 |
| #define CX18_DEFAULT_ENC_MPG_BUFFERS 2 |
| #define CX18_DEFAULT_ENC_IDX_BUFFERS 1 |
| #define CX18_DEFAULT_ENC_YUV_BUFFERS 2 |
| #define CX18_DEFAULT_ENC_VBI_BUFFERS 1 |
| #define CX18_DEFAULT_ENC_PCM_BUFFERS 1 |
| |
| /* i2c stuff */ |
| #define I2C_CLIENTS_MAX 16 |
| |
| /* debugging */ |
| |
| /* Flag to turn on high volume debugging */ |
| #define CX18_DBGFLG_WARN (1 << 0) |
| #define CX18_DBGFLG_INFO (1 << 1) |
| #define CX18_DBGFLG_API (1 << 2) |
| #define CX18_DBGFLG_DMA (1 << 3) |
| #define CX18_DBGFLG_IOCTL (1 << 4) |
| #define CX18_DBGFLG_FILE (1 << 5) |
| #define CX18_DBGFLG_I2C (1 << 6) |
| #define CX18_DBGFLG_IRQ (1 << 7) |
| /* Flag to turn on high volume debugging */ |
| #define CX18_DBGFLG_HIGHVOL (1 << 8) |
| |
| /* NOTE: extra space before comma in 'cx->num , ## args' is required for |
| gcc-2.95, otherwise it won't compile. */ |
| #define CX18_DEBUG(x, type, fmt, args...) \ |
| do { \ |
| if ((x) & cx18_debug) \ |
| printk(KERN_INFO "cx18-%d " type ": " fmt, cx->num , ## args); \ |
| } while (0) |
| #define CX18_DEBUG_WARN(fmt, args...) CX18_DEBUG(CX18_DBGFLG_WARN, "warning", fmt , ## args) |
| #define CX18_DEBUG_INFO(fmt, args...) CX18_DEBUG(CX18_DBGFLG_INFO, "info", fmt , ## args) |
| #define CX18_DEBUG_API(fmt, args...) CX18_DEBUG(CX18_DBGFLG_API, "api", fmt , ## args) |
| #define CX18_DEBUG_DMA(fmt, args...) CX18_DEBUG(CX18_DBGFLG_DMA, "dma", fmt , ## args) |
| #define CX18_DEBUG_IOCTL(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) |
| #define CX18_DEBUG_FILE(fmt, args...) CX18_DEBUG(CX18_DBGFLG_FILE, "file", fmt , ## args) |
| #define CX18_DEBUG_I2C(fmt, args...) CX18_DEBUG(CX18_DBGFLG_I2C, "i2c", fmt , ## args) |
| #define CX18_DEBUG_IRQ(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IRQ, "irq", fmt , ## args) |
| |
| #define CX18_DEBUG_HIGH_VOL(x, type, fmt, args...) \ |
| do { \ |
| if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ |
| printk(KERN_INFO "cx18%d " type ": " fmt, cx->num , ## args); \ |
| } while (0) |
| #define CX18_DEBUG_HI_WARN(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_WARN, "warning", fmt , ## args) |
| #define CX18_DEBUG_HI_INFO(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_INFO, "info", fmt , ## args) |
| #define CX18_DEBUG_HI_API(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_API, "api", fmt , ## args) |
| #define CX18_DEBUG_HI_DMA(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_DMA, "dma", fmt , ## args) |
| #define CX18_DEBUG_HI_IOCTL(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) |
| #define CX18_DEBUG_HI_FILE(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_FILE, "file", fmt , ## args) |
| #define CX18_DEBUG_HI_I2C(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_I2C, "i2c", fmt , ## args) |
| #define CX18_DEBUG_HI_IRQ(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IRQ, "irq", fmt , ## args) |
| |
| /* Standard kernel messages */ |
| #define CX18_ERR(fmt, args...) printk(KERN_ERR "cx18-%d: " fmt, cx->num , ## args) |
| #define CX18_WARN(fmt, args...) printk(KERN_WARNING "cx18-%d: " fmt, cx->num , ## args) |
| #define CX18_INFO(fmt, args...) printk(KERN_INFO "cx18-%d: " fmt, cx->num , ## args) |
| |
| /* Values for CX18_API_DEC_PLAYBACK_SPEED mpeg_frame_type_mask parameter: */ |
| #define MPEG_FRAME_TYPE_IFRAME 1 |
| #define MPEG_FRAME_TYPE_IFRAME_PFRAME 3 |
| #define MPEG_FRAME_TYPE_ALL 7 |
| |
| #define CX18_MAX_PGM_INDEX (400) |
| |
| extern int cx18_debug; |
| |
| |
| struct cx18_options { |
| int megabytes[CX18_MAX_STREAMS]; /* Size in megabytes of each stream */ |
| int cardtype; /* force card type on load */ |
| int tuner; /* set tuner on load */ |
| int radio; /* enable/disable radio */ |
| }; |
| |
| /* per-buffer bit flags */ |
| #define CX18_F_B_NEED_BUF_SWAP 0 /* this buffer should be byte swapped */ |
| |
| /* per-stream, s_flags */ |
| #define CX18_F_S_CLAIMED 3 /* this stream is claimed */ |
| #define CX18_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */ |
| #define CX18_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */ |
| #define CX18_F_S_STREAMOFF 7 /* signal end of stream EOS */ |
| #define CX18_F_S_APPL_IO 8 /* this stream is used read/written by an application */ |
| |
| /* per-cx18, i_flags */ |
| #define CX18_F_I_LOADED_FW 0 /* Loaded the firmware the first time */ |
| #define CX18_F_I_EOS 4 /* End of encoder stream reached */ |
| #define CX18_F_I_RADIO_USER 5 /* The radio tuner is selected */ |
| #define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ |
| #define CX18_F_I_INITED 21 /* set after first open */ |
| #define CX18_F_I_FAILED 22 /* set if first open failed */ |
| |
| /* These are the VBI types as they appear in the embedded VBI private packets. */ |
| #define CX18_SLICED_TYPE_TELETEXT_B (1) |
| #define CX18_SLICED_TYPE_CAPTION_525 (4) |
| #define CX18_SLICED_TYPE_WSS_625 (5) |
| #define CX18_SLICED_TYPE_VPS (7) |
| |
| struct cx18_buffer { |
| struct list_head list; |
| dma_addr_t dma_handle; |
| u32 id; |
| unsigned long b_flags; |
| char *buf; |
| |
| u32 bytesused; |
| u32 readpos; |
| }; |
| |
| struct cx18_queue { |
| struct list_head list; |
| u32 buffers; |
| u32 length; |
| u32 bytesused; |
| }; |
| |
| struct cx18_dvb { |
| struct dmx_frontend hw_frontend; |
| struct dmx_frontend mem_frontend; |
| struct dmxdev dmxdev; |
| struct dvb_adapter dvb_adapter; |
| struct dvb_demux demux; |
| struct dvb_frontend *fe; |
| struct dvb_net dvbnet; |
| int enabled; |
| int feeding; |
| |
| struct mutex feedlock; |
| |
| }; |
| |
| struct cx18; /* forward reference */ |
| struct cx18_scb; /* forward reference */ |
| |
| struct cx18_stream { |
| /* These first four fields are always set, even if the stream |
| is not actually created. */ |
| struct video_device *v4l2dev; /* NULL when stream not created */ |
| struct cx18 *cx; /* for ease of use */ |
| const char *name; /* name of the stream */ |
| int type; /* stream type */ |
| u32 handle; /* task handle */ |
| unsigned mdl_offset; |
| |
| u32 id; |
| spinlock_t qlock; /* locks access to the queues */ |
| unsigned long s_flags; /* status flags, see above */ |
| int dma; /* can be PCI_DMA_TODEVICE, |
| PCI_DMA_FROMDEVICE or |
| PCI_DMA_NONE */ |
| u64 dma_pts; |
| wait_queue_head_t waitq; |
| |
| /* Buffer Stats */ |
| u32 buffers; |
| u32 buf_size; |
| u32 buffers_stolen; |
| |
| /* Buffer Queues */ |
| struct cx18_queue q_free; /* free buffers */ |
| struct cx18_queue q_full; /* full buffers */ |
| struct cx18_queue q_io; /* waiting for I/O */ |
| |
| /* DVB / Digital Transport */ |
| struct cx18_dvb dvb; |
| }; |
| |
| struct cx18_open_id { |
| u32 open_id; |
| int type; |
| enum v4l2_priority prio; |
| struct cx18 *cx; |
| }; |
| |
| /* forward declaration of struct defined in cx18-cards.h */ |
| struct cx18_card; |
| |
| |
| #define CX18_VBI_FRAMES 32 |
| |
| /* VBI data */ |
| struct vbi_info { |
| u32 enc_size; |
| u32 frame; |
| u8 cc_data_odd[256]; |
| u8 cc_data_even[256]; |
| int cc_pos; |
| u8 cc_no_update; |
| u8 vps[5]; |
| u8 vps_found; |
| int wss; |
| u8 wss_found; |
| u8 wss_no_update; |
| u32 raw_decoder_line_size; |
| u8 raw_decoder_sav_odd_field; |
| u8 raw_decoder_sav_even_field; |
| u32 sliced_decoder_line_size; |
| u8 sliced_decoder_sav_odd_field; |
| u8 sliced_decoder_sav_even_field; |
| struct v4l2_format in; |
| /* convenience pointer to sliced struct in vbi_in union */ |
| struct v4l2_sliced_vbi_format *sliced_in; |
| u32 service_set_in; |
| int insert_mpeg; |
| |
| /* Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines. |
| One for /dev/vbi0 and one for /dev/vbi8 */ |
| struct v4l2_sliced_vbi_data sliced_data[36]; |
| |
| /* Buffer for VBI data inserted into MPEG stream. |
| The first byte is a dummy byte that's never used. |
| The next 16 bytes contain the MPEG header for the VBI data, |
| the remainder is the actual VBI data. |
| The max size accepted by the MPEG VBI reinsertion turns out |
| to be 1552 bytes, which happens to be 4 + (1 + 42) * (2 * 18) bytes, |
| where 4 is a four byte header, 42 is the max sliced VBI payload, 1 is |
| a single line header byte and 2 * 18 is the number of VBI lines per frame. |
| |
| However, it seems that the data must be 1K aligned, so we have to |
| pad the data until the 1 or 2 K boundary. |
| |
| This pointer array will allocate 2049 bytes to store each VBI frame. */ |
| u8 *sliced_mpeg_data[CX18_VBI_FRAMES]; |
| u32 sliced_mpeg_size[CX18_VBI_FRAMES]; |
| struct cx18_buffer sliced_mpeg_buf; |
| u32 inserted_frame; |
| |
| u32 start[2], count; |
| u32 raw_size; |
| u32 sliced_size; |
| }; |
| |
| /* Per cx23418, per I2C bus private algo callback data */ |
| struct cx18_i2c_algo_callback_data { |
| struct cx18 *cx; |
| int bus_index; /* 0 or 1 for the cx23418's 1st or 2nd I2C bus */ |
| }; |
| |
| /* Struct to hold info about cx18 cards */ |
| struct cx18 { |
| int num; /* board number, -1 during init! */ |
| char name[8]; /* board name for printk and interrupts (e.g. 'cx180') */ |
| struct pci_dev *dev; /* PCI device */ |
| const struct cx18_card *card; /* card information */ |
| const char *card_name; /* full name of the card */ |
| const struct cx18_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ |
| u8 is_50hz; |
| u8 is_60hz; |
| u8 is_out_50hz; |
| u8 is_out_60hz; |
| u8 nof_inputs; /* number of video inputs */ |
| u8 nof_audio_inputs; /* number of audio inputs */ |
| u16 buffer_id; /* buffer ID counter */ |
| u32 v4l2_cap; /* V4L2 capabilities of card */ |
| u32 hw_flags; /* Hardware description of the board */ |
| unsigned mdl_offset; |
| struct cx18_scb __iomem *scb; /* pointer to SCB */ |
| |
| struct cx18_av_state av_state; |
| |
| /* codec settings */ |
| struct cx2341x_mpeg_params params; |
| u32 filter_mode; |
| u32 temporal_strength; |
| u32 spatial_strength; |
| |
| /* dualwatch */ |
| unsigned long dualwatch_jiffies; |
| u16 dualwatch_stereo_mode; |
| |
| /* Digitizer type */ |
| int digitizer; /* 0x00EF = saa7114 0x00FO = saa7115 0x0106 = mic */ |
| |
| struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ |
| struct cx18_options options; /* User options */ |
| int stream_buf_size[CX18_MAX_STREAMS]; /* Stream buffer size */ |
| struct cx18_stream streams[CX18_MAX_STREAMS]; /* Stream data */ |
| unsigned long i_flags; /* global cx18 flags */ |
| atomic_t ana_capturing; /* count number of active analog capture streams */ |
| atomic_t tot_capturing; /* total count number of active capture streams */ |
| spinlock_t lock; /* lock access to this struct */ |
| int search_pack_header; |
| |
| spinlock_t dma_reg_lock; /* lock access to DMA engine registers */ |
| |
| int open_id; /* incremented each time an open occurs, used as |
| unique ID. Starts at 1, so 0 can be used as |
| uninitialized value in the stream->id. */ |
| |
| u32 base_addr; |
| struct v4l2_prio_state prio; |
| |
| u8 card_rev; |
| void __iomem *enc_mem, *reg_mem; |
| |
| struct vbi_info vbi; |
| |
| u32 pgm_info_offset; |
| u32 pgm_info_num; |
| u32 pgm_info_write_idx; |
| u32 pgm_info_read_idx; |
| struct v4l2_enc_idx_entry pgm_info[CX18_MAX_PGM_INDEX]; |
| |
| u64 mpg_data_received; |
| u64 vbi_data_inserted; |
| |
| wait_queue_head_t mb_apu_waitq; |
| wait_queue_head_t mb_cpu_waitq; |
| wait_queue_head_t mb_epu_waitq; |
| wait_queue_head_t mb_hpu_waitq; |
| wait_queue_head_t cap_w; |
| /* when the current DMA is finished this queue is woken up */ |
| wait_queue_head_t dma_waitq; |
| |
| /* i2c */ |
| struct i2c_adapter i2c_adap[2]; |
| struct i2c_algo_bit_data i2c_algo[2]; |
| struct cx18_i2c_algo_callback_data i2c_algo_cb_data[2]; |
| struct i2c_client i2c_client[2]; |
| struct mutex i2c_bus_lock[2]; |
| struct i2c_client *i2c_clients[I2C_CLIENTS_MAX]; |
| |
| /* gpio */ |
| u32 gpio_dir; |
| u32 gpio_val; |
| |
| /* v4l2 and User settings */ |
| |
| /* codec settings */ |
| u32 audio_input; |
| u32 active_input; |
| u32 active_output; |
| v4l2_std_id std; |
| v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */ |
| }; |
| |
| /* Globals */ |
| extern struct cx18 *cx18_cards[]; |
| extern int cx18_cards_active; |
| extern int cx18_first_minor; |
| extern spinlock_t cx18_cards_lock; |
| |
| /*==============Prototypes==================*/ |
| |
| /* Return non-zero if a signal is pending */ |
| int cx18_msleep_timeout(unsigned int msecs, int intr); |
| |
| /* Read Hauppauge eeprom */ |
| struct tveeprom; /* forward reference */ |
| void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv); |
| |
| /* First-open initialization: load firmware, etc. */ |
| int cx18_init_on_first_open(struct cx18 *cx); |
| |
| /* This is a PCI post thing, where if the pci register is not read, then |
| the write doesn't always take effect right away. By reading back the |
| register any pending PCI writes will be performed (in order), and so |
| you can be sure that the writes are guaranteed to be done. |
| |
| Rarely needed, only in some timing sensitive cases. |
| Apparently if this is not done some motherboards seem |
| to kill the firmware and get into the broken state until computer is |
| rebooted. */ |
| #define write_sync(val, reg) \ |
| do { writel(val, reg); readl(reg); } while (0) |
| |
| #define read_reg(reg) readl(cx->reg_mem + (reg)) |
| #define write_reg(val, reg) writel(val, cx->reg_mem + (reg)) |
| #define write_reg_sync(val, reg) \ |
| do { write_reg(val, reg); read_reg(reg); } while (0) |
| |
| #define read_enc(addr) readl(cx->enc_mem + (u32)(addr)) |
| #define write_enc(val, addr) writel(val, cx->enc_mem + (u32)(addr)) |
| #define write_enc_sync(val, addr) \ |
| do { write_enc(val, addr); read_enc(addr); } while (0) |
| |
| #define sw1_irq_enable(val) do { \ |
| write_reg(val, SW1_INT_STATUS); \ |
| write_reg(read_reg(SW1_INT_ENABLE_PCI) | (val), SW1_INT_ENABLE_PCI); \ |
| } while (0) |
| |
| #define sw1_irq_disable(val) \ |
| write_reg(read_reg(SW1_INT_ENABLE_PCI) & ~(val), SW1_INT_ENABLE_PCI); |
| |
| #define sw2_irq_enable(val) do { \ |
| write_reg(val, SW2_INT_STATUS); \ |
| write_reg(read_reg(SW2_INT_ENABLE_PCI) | (val), SW2_INT_ENABLE_PCI); \ |
| } while (0) |
| |
| #define sw2_irq_disable(val) \ |
| write_reg(read_reg(SW2_INT_ENABLE_PCI) & ~(val), SW2_INT_ENABLE_PCI); |
| |
| #define setup_page(addr) do { \ |
| u32 val = read_reg(0xD000F8) & ~0x1f00; \ |
| write_reg(val | (((addr) >> 17) & 0x1f00), 0xD000F8); \ |
| } while (0) |
| |
| #endif /* CX18_DRIVER_H */ |