diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885.h')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885.h | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h new file mode 100644 index 000000000000..dec4dc2fcbb4 --- /dev/null +++ b/drivers/media/video/cx23885/cx23885.h @@ -0,0 +1,301 @@ +/* + * Driver for the Conexant CX23885 PCIe bridge + * + * Copyright (c) 2006 Steven Toth <stoth@hauppauge.com> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/pci.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/kdev_t.h> + +#include <media/v4l2-common.h> +#include <media/tuner.h> +#include <media/tveeprom.h> +#include <media/videobuf-dma-sg.h> +#include <media/videobuf-dvb.h> + +#include "btcx-risc.h" +#include "cx23885-reg.h" + +#include <linux/version.h> +#include <linux/mutex.h> + +#define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1) + +#define UNSET (-1U) + +#define CX23885_MAXBOARDS 8 + +/* Max number of inputs by card */ +#define MAX_CX23885_INPUT 8 + +#define BUFFER_TIMEOUT (HZ) /* 0.5 seconds */ + +#define CX23885_BOARD_NOAUTO UNSET +#define CX23885_BOARD_UNKNOWN 0 +#define CX23885_BOARD_HAUPPAUGE_HVR1800lp 1 +#define CX23885_BOARD_HAUPPAUGE_HVR1800 2 +#define CX23885_BOARD_HAUPPAUGE_HVR1250 3 +#define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP 4 + +enum cx23885_itype { + CX23885_VMUX_COMPOSITE1 = 1, + CX23885_VMUX_COMPOSITE2, + CX23885_VMUX_COMPOSITE3, + CX23885_VMUX_COMPOSITE4, + CX23885_VMUX_SVIDEO, + CX23885_VMUX_TELEVISION, + CX23885_VMUX_CABLE, + CX23885_VMUX_DVB, + CX23885_VMUX_DEBUG, + CX23885_RADIO, +}; + +enum cx23885_src_sel_type { + CX23885_SRC_SEL_EXT_656_VIDEO = 0, + CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO +}; + +/* buffer for one video frame */ +struct cx23885_buffer { + /* common v4l buffer stuff -- must be first */ + struct videobuf_buffer vb; + + /* cx23885 specific */ + unsigned int bpl; + struct btcx_riscmem risc; + struct cx23885_fmt *fmt; + u32 count; +}; + +struct cx23885_input { + enum cx23885_itype type; + unsigned int vmux; + u32 gpio0, gpio1, gpio2, gpio3; +}; + +typedef enum { + CX23885_MPEG_UNDEFINED = 0, + CX23885_MPEG_DVB +} port_t; + +struct cx23885_board { + char *name; + port_t portb, portc; + struct cx23885_input input[MAX_CX23885_INPUT]; +}; + +struct cx23885_subid { + u16 subvendor; + u16 subdevice; + u32 card; +}; + +struct cx23885_i2c { + struct cx23885_dev *dev; + + int nr; + + /* i2c i/o */ + struct i2c_adapter i2c_adap; + struct i2c_algo_bit_data i2c_algo; + struct i2c_client i2c_client; + u32 i2c_rc; + + /* 885 registers used for raw addess */ + u32 i2c_period; + u32 reg_ctrl; + u32 reg_stat; + u32 reg_addr; + u32 reg_rdata; + u32 reg_wdata; +}; + +struct cx23885_dmaqueue { + struct list_head active; + struct list_head queued; + struct timer_list timeout; + struct btcx_riscmem stopper; + u32 count; +}; + +struct cx23885_tsport { + struct cx23885_dev *dev; + + int nr; + int sram_chno; + + struct videobuf_dvb dvb; + + /* dma queues */ + struct cx23885_dmaqueue mpegq; + u32 ts_packet_size; + u32 ts_packet_count; + + int width; + int height; + + spinlock_t slock; + + /* registers */ + u32 reg_gpcnt; + u32 reg_gpcnt_ctl; + u32 reg_dma_ctl; + u32 reg_lngth; + u32 reg_hw_sop_ctrl; + u32 reg_gen_ctrl; + u32 reg_bd_pkt_status; + u32 reg_sop_status; + u32 reg_fifo_ovfl_stat; + u32 reg_vld_misc; + u32 reg_ts_clk_en; + u32 reg_ts_int_msk; + u32 reg_ts_int_stat; + u32 reg_src_sel; + + /* Default register vals */ + int pci_irqmask; + u32 dma_ctl_val; + u32 ts_int_msk_val; + u32 gen_ctrl_val; + u32 ts_clk_en_val; + u32 src_sel_val; +}; + +struct cx23885_dev { + struct list_head devlist; + atomic_t refcount; + + /* pci stuff */ + struct pci_dev *pci; + unsigned char pci_rev, pci_lat; + int pci_bus, pci_slot; + u32 __iomem *lmmio; + u8 __iomem *bmmio; + int pci_irqmask; + + /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */ + struct cx23885_i2c i2c_bus[3]; + + int nr; + struct mutex lock; + + /* board details */ + unsigned int board; + char name[32]; + + struct cx23885_tsport ts1, ts2; + + /* sram configuration */ + struct sram_channel *sram_channels; + + enum { + CX23885_BRIDGE_UNDEFINED = 0, + CX23885_BRIDGE_885 = 885, + CX23885_BRIDGE_887 = 887, + } bridge; +}; + +#define SRAM_CH01 0 /* Video A */ +#define SRAM_CH02 1 /* VBI A */ +#define SRAM_CH03 2 /* Video B */ +#define SRAM_CH04 3 /* Transport via B */ +#define SRAM_CH05 4 /* VBI B */ +#define SRAM_CH06 5 /* Video C */ +#define SRAM_CH07 6 /* Transport via C */ +#define SRAM_CH08 7 /* Audio Internal A */ +#define SRAM_CH09 8 /* Audio Internal B */ +#define SRAM_CH10 9 /* Audio External */ +#define SRAM_CH11 10 /* COMB_3D_N */ +#define SRAM_CH12 11 /* Comb 3D N1 */ +#define SRAM_CH13 12 /* Comb 3D N2 */ +#define SRAM_CH14 13 /* MOE Vid */ +#define SRAM_CH15 14 /* MOE RSLT */ + +struct sram_channel { + char *name; + u32 cmds_start; + u32 ctrl_start; + u32 cdt; + u32 fifo_start;; + u32 fifo_size; + u32 ptr1_reg; + u32 ptr2_reg; + u32 cnt1_reg; + u32 cnt2_reg; + u32 jumponly; +}; + +/* ----------------------------------------------------------- */ + +#define cx_read(reg) readl(dev->lmmio + ((reg)>>2)) +#define cx_write(reg,value) writel((value), dev->lmmio + ((reg)>>2)) + +#define cx_andor(reg,mask,value) \ + writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\ + ((value) & (mask)), dev->lmmio+((reg)>>2)) + +#define cx_set(reg,bit) cx_andor((reg),(bit),(bit)) +#define cx_clear(reg,bit) cx_andor((reg),(bit),0) + +extern int cx23885_sram_channel_setup(struct cx23885_dev *dev, + struct sram_channel *ch, + unsigned int bpl, u32 risc); + +/* ----------------------------------------------------------- */ +/* cx23885-cards.c */ + +extern struct cx23885_board cx23885_boards[]; +extern const unsigned int cx23885_bcount; + +extern struct cx23885_subid cx23885_subids[]; +extern const unsigned int cx23885_idcount; + +extern void cx23885_card_list(struct cx23885_dev *dev); +extern int cx23885_ir_init(struct cx23885_dev *dev); +extern void cx23885_gpio_setup(struct cx23885_dev *dev); +extern void cx23885_card_setup(struct cx23885_dev *dev); +extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev); + +extern int cx23885_dvb_register(struct cx23885_tsport *port); +extern int cx23885_dvb_unregister(struct cx23885_tsport *port); + +extern int cx23885_buf_prepare(struct videobuf_queue *q, + struct cx23885_tsport *port, + struct cx23885_buffer *buf, + enum v4l2_field field); + +extern void cx23885_buf_queue(struct cx23885_tsport *port, + struct cx23885_buffer *buf); +extern void cx23885_free_buffer(struct videobuf_queue *q, + struct cx23885_buffer *buf); + +/* ----------------------------------------------------------- */ +/* cx23885-i2c.c */ +extern int cx23885_i2c_register(struct cx23885_i2c *bus); +extern int cx23885_i2c_unregister(struct cx23885_i2c *bus); +extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd, + void *arg); + +/* + * Local variables: + * c-basic-offset: 8 + * End: + * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off + */ |