/* * Driver for the Conexant CX23885 PCIe bridge * * Copyright (c) 2006 Steven Toth * * 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 #include #include #include #include #include #include #include #if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE) #include #endif #include "btcx-risc.h" #include "cx23885-reg.h" #include #include #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 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, }; /* 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; }; struct cx23885_board { char *name; enum { CX23885_MPEG_UNDEFINED = 0, CX23885_MPEG_DVB } 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; /* Default register vals */ int pci_irqmask; u32 dma_ctl_val; u32 ts_int_msk_val; u32 gen_ctrl_val; u32 ts_clk_en_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 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 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 */