| /* |
| * 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/video-buf.h> |
| #if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE) |
| #include <media/video-buf-dvb.h> |
| #endif |
| |
| #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 |
| |
| 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_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 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 |
| */ |