drivers/media/video/cx23885/cx23885.h

   1 /*
   2  *  Driver for the Conexant CX23885 PCIe bridge
   3  *
   4  *  Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #include <linux/pci.h>
  23 #include <linux/i2c.h>
  24 #include <linux/i2c-algo-bit.h>
  25 #include <linux/kdev_t.h>
  26
  27 #include <media/v4l2-common.h>
  28 #include <media/tuner.h>
  29 #include <media/tveeprom.h>
  30 #include <media/video-buf.h>
  31 #if defined(CONFIG_VIDEO_BUF_DVB) || defined(CONFIG_VIDEO_BUF_DVB_MODULE)
  32 #include <media/video-buf-dvb.h>
  33 #endif
  34
  35 #include "btcx-risc.h"
  36 #include "cx23885-reg.h"
  37
  38 #include <linux/version.h>
  39 #include <linux/mutex.h>
  40
  41 #define CX88_VERSION_CODE KERNEL_VERSION(0,0,6)
  42
  43 #define UNSET (-1U)
  44
  45 #define CX23885_MAXBOARDS 8
  46
  47 #define SRAM 0
  48
  49 /* Max number of inputs by card */
  50 #define MAX_CX23885_INPUT 8
  51
  52 //#define SHADOW_MAX 3
  53
  54 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  55
  56 #define CX23885_BOARD_NOAUTO               UNSET
  57 #define CX23885_BOARD_UNKNOWN                  0
  58 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  59 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  60
  61 enum cx23885_itype {
  62         CX23885_VMUX_COMPOSITE1 = 1,
  63         CX23885_VMUX_COMPOSITE2,
  64         CX23885_VMUX_COMPOSITE3,
  65         CX23885_VMUX_COMPOSITE4,
  66         CX23885_VMUX_SVIDEO,
  67         CX23885_VMUX_TELEVISION,
  68         CX23885_VMUX_CABLE,
  69         CX23885_VMUX_DVB,
  70         CX23885_VMUX_DEBUG,
  71         CX23885_RADIO,
  72 };
  73
  74 struct cx23885_fmt {
  75         char  *name;
  76         u32   fourcc;          /* v4l2 format id */
  77         int   depth;
  78         int   flags;
  79         u32   cxformat;
  80 };
  81
  82 /* buffer for one video frame */
  83 struct cx23885_buffer {
  84         /* common v4l buffer stuff -- must be first */
  85         struct videobuf_buffer vb;
  86
  87         /* cx23885 specific */
  88         unsigned int           bpl;
  89         struct btcx_riscmem    risc;
  90         struct cx23885_fmt     *fmt;
  91         u32                    count;
  92 };
  93
  94 struct cx23885_input {
  95         enum cx23885_itype type;
  96         unsigned int    vmux;
  97         u32             gpio0, gpio1, gpio2, gpio3;
  98 };
  99
 100 struct cx23885_board {
 101         char                    *name;
 102         enum {
 103                 CX23885_MPEG_UNDEFINED = 0,
 104                 CX23885_MPEG_DVB
 105         } portc;
 106         enum {
 107                 CX23885_BRIDGE_UNDEFINED = 0,
 108                 CX23885_BRIDGE_885 = 885,
 109                 CX23885_BRIDGE_887 = 887,
 110         } bridge;
 111         struct cx23885_input    input[MAX_CX23885_INPUT];
 112 };
 113
 114 struct cx23885_subid {
 115         u16     subvendor;
 116         u16     subdevice;
 117         u32     card;
 118 };
 119
 120 struct cx23885_i2c {
 121         struct cx23885_dev *dev;
 122
 123         int                        nr;
 124
 125         /* i2c i/o */
 126         struct i2c_adapter         i2c_adap;
 127         struct i2c_algo_bit_data   i2c_algo;
 128         struct i2c_client          i2c_client;
 129         u32                        i2c_rc;
 130
 131         /* 885 registers used for raw addess */
 132         u32                        i2c_period;
 133         u32                        reg_ctrl;
 134         u32                        reg_stat;
 135         u32                        reg_addr;
 136         u32                        reg_rdata;
 137         u32                        reg_wdata;
 138 };
 139
 140 struct cx23885_dmaqueue {
 141         struct list_head       active;
 142         struct list_head       queued;
 143         struct timer_list      timeout;
 144         struct btcx_riscmem    stopper;
 145         u32                    count;
 146 };
 147
 148 struct cx23885_tsport {
 149         struct cx23885_dev *dev;
 150
 151         int                        nr;
 152         int                        sram_chno;
 153
 154         struct videobuf_dvb        dvb;
 155
 156         /* dma queues */
 157         struct cx23885_dmaqueue    mpegq;
 158         u32                        ts_packet_size;
 159         u32                        ts_packet_count;
 160
 161         int                        width;
 162         int                        height;
 163
 164         spinlock_t                 slock;
 165
 166         /* registers */
 167         u32                        reg_gpcnt;
 168         u32                        reg_gpcnt_ctl;
 169         u32                        reg_dma_ctl;
 170         u32                        reg_lngth;
 171         u32                        reg_hw_sop_ctrl;
 172         u32                        reg_gen_ctrl;
 173         u32                        reg_bd_pkt_status;
 174         u32                        reg_sop_status;
 175         u32                        reg_fifo_ovfl_stat;
 176         u32                        reg_vld_misc;
 177         u32                        reg_ts_clk_en;
 178         u32                        reg_ts_int_msk;
 179
 180         /* Default register vals */
 181         int                        pci_irqmask;
 182         u32                        dma_ctl_val;
 183         u32                        ts_int_msk_val;
 184         u32                        gen_ctrl_val;
 185         u32                        ts_clk_en_val;
 186 };
 187
 188 struct cx23885_dev {
 189         struct list_head           devlist;
 190         atomic_t                   refcount;
 191
 192         /* pci stuff */
 193         struct pci_dev             *pci;
 194         unsigned char              pci_rev, pci_lat;
 195         int                        pci_bus, pci_slot;
 196         u32                        __iomem *lmmio;
 197         u8                         __iomem *bmmio;
 198         //u32                        shadow[SHADOW_MAX];
 199         int                        pci_irqmask;
 200
 201         /* I2C adapters: Master 1 and 2 (External) and Master 3 (Internal only) */
 202         struct cx23885_i2c         i2c_bus[3];
 203
 204         int                        nr;
 205         struct mutex               lock;
 206
 207         /* board details */
 208         unsigned int               board;
 209         char                       name[32];
 210
 211         struct cx23885_tsport      ts2;
 212
 213         /* sram configuration */
 214         struct sram_channel        *sram_channels;
 215 };
 216
 217 #define SRAM_CH01  0 /* Video A */
 218 #define SRAM_CH02  1 /* VBI A */
 219 #define SRAM_CH03  2 /* Video B */
 220 #define SRAM_CH04  3 /* Transport via B */
 221 #define SRAM_CH05  4 /* VBI B */
 222 #define SRAM_CH06  5 /* Video C */
 223 #define SRAM_CH07  6 /* Transport via C */
 224 #define SRAM_CH08  7 /* Audio Internal A */
 225 #define SRAM_CH09  8 /* Audio Internal B */
 226 #define SRAM_CH10  9 /* Audio External */
 227 #define SRAM_CH11 10 /* COMB_3D_N */
 228 #define SRAM_CH12 11 /* Comb 3D N1 */
 229 #define SRAM_CH13 12 /* Comb 3D N2 */
 230 #define SRAM_CH14 13 /* MOE Vid */
 231 #define SRAM_CH15 14 /* MOE RSLT */
 232
 233 struct sram_channel {
 234         char *name;
 235         u32  cmds_start;
 236         u32  ctrl_start;
 237         u32  cdt;
 238         u32  fifo_start;;
 239         u32  fifo_size;
 240         u32  ptr1_reg;
 241         u32  ptr2_reg;
 242         u32  cnt1_reg;
 243         u32  cnt2_reg;
 244         u32  jumponly;
 245 };
 246
 247 /* ----------------------------------------------------------- */
 248
 249 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 250 #define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
 251
 252 #define cx_andor(reg,mask,value) \
 253   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 254   ((value) & (mask)), dev->lmmio+((reg)>>2))
 255
 256 #define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
 257 #define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
 258
 259
 260 extern int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 261         struct sram_channel *ch,
 262         unsigned int bpl, u32 risc);
 263
 264 /* ----------------------------------------------------------- */
 265 /* cx23885-cards.c                                                */
 266
 267 extern struct cx23885_board cx23885_boards[];
 268 extern const unsigned int cx23885_bcount;
 269
 270 extern struct cx23885_subid cx23885_subids[];
 271 extern const unsigned int cx23885_idcount;
 272
 273 extern void cx23885_card_list(struct cx23885_dev *dev);
 274 extern void cx23885_card_setup(struct cx23885_dev *dev);
 275 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 276
 277 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 278 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 279
 280 extern int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port,
 281                         struct cx23885_buffer *buf, enum v4l2_field field);
 282
 283 extern void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf);
 284 extern void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf);
 285
 286 /* ----------------------------------------------------------- */
 287 /* cx23885-i2c.c                                                */
 288 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 289 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 290 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd, void *arg);
 291
 292 /*
 293  * Local variables:
 294  * c-basic-offset: 8
 295  * End:
 296  * 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
 297  */