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/videobuf-dma-sg.h>
  31 #include <media/videobuf-dvb.h>
  32
  33 #include "btcx-risc.h"
  34 #include "cx23885-reg.h"
  35
  36 #include <linux/version.h>
  37 #include <linux/mutex.h>
  38
  39 #define CX23885_VERSION_CODE KERNEL_VERSION(0,0,1)
  40
  41 #define UNSET (-1U)
  42
  43 #define CX23885_MAXBOARDS 8
  44
  45 /* Max number of inputs by card */
  46 #define MAX_CX23885_INPUT 8
  47
  48 #define BUFFER_TIMEOUT     (HZ)  /* 0.5 seconds */
  49
  50 #define CX23885_BOARD_NOAUTO               UNSET
  51 #define CX23885_BOARD_UNKNOWN                  0
  52 #define CX23885_BOARD_HAUPPAUGE_HVR1800lp      1
  53 #define CX23885_BOARD_HAUPPAUGE_HVR1800        2
  54 #define CX23885_BOARD_HAUPPAUGE_HVR1250        3
  55 #define CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP   4
  56
  57 enum cx23885_itype {
  58         CX23885_VMUX_COMPOSITE1 = 1,
  59         CX23885_VMUX_COMPOSITE2,
  60         CX23885_VMUX_COMPOSITE3,
  61         CX23885_VMUX_COMPOSITE4,
  62         CX23885_VMUX_SVIDEO,
  63         CX23885_VMUX_TELEVISION,
  64         CX23885_VMUX_CABLE,
  65         CX23885_VMUX_DVB,
  66         CX23885_VMUX_DEBUG,
  67         CX23885_RADIO,
  68 };
  69
  70 enum cx23885_src_sel_type {
  71         CX23885_SRC_SEL_EXT_656_VIDEO = 0,
  72         CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO
  73 };
  74
  75 /* buffer for one video frame */
  76 struct cx23885_buffer {
  77         /* common v4l buffer stuff -- must be first */
  78         struct videobuf_buffer vb;
  79
  80         /* cx23885 specific */
  81         unsigned int           bpl;
  82         struct btcx_riscmem    risc;
  83         struct cx23885_fmt     *fmt;
  84         u32                    count;
  85 };
  86
  87 struct cx23885_input {
  88         enum cx23885_itype type;
  89         unsigned int    vmux;
  90         u32             gpio0, gpio1, gpio2, gpio3;
  91 };
  92
  93 typedef enum {
  94         CX23885_MPEG_UNDEFINED = 0,
  95         CX23885_MPEG_DVB
  96 } port_t;
  97
  98 struct cx23885_board {
  99         char                    *name;
 100         port_t                  portb, portc;
 101         struct cx23885_input    input[MAX_CX23885_INPUT];
 102 };
 103
 104 struct cx23885_subid {
 105         u16     subvendor;
 106         u16     subdevice;
 107         u32     card;
 108 };
 109
 110 struct cx23885_i2c {
 111         struct cx23885_dev *dev;
 112
 113         int                        nr;
 114
 115         /* i2c i/o */
 116         struct i2c_adapter         i2c_adap;
 117         struct i2c_algo_bit_data   i2c_algo;
 118         struct i2c_client          i2c_client;
 119         u32                        i2c_rc;
 120
 121         /* 885 registers used for raw addess */
 122         u32                        i2c_period;
 123         u32                        reg_ctrl;
 124         u32                        reg_stat;
 125         u32                        reg_addr;
 126         u32                        reg_rdata;
 127         u32                        reg_wdata;
 128 };
 129
 130 struct cx23885_dmaqueue {
 131         struct list_head       active;
 132         struct list_head       queued;
 133         struct timer_list      timeout;
 134         struct btcx_riscmem    stopper;
 135         u32                    count;
 136 };
 137
 138 struct cx23885_tsport {
 139         struct cx23885_dev *dev;
 140
 141         int                        nr;
 142         int                        sram_chno;
 143
 144         struct videobuf_dvb        dvb;
 145
 146         /* dma queues */
 147         struct cx23885_dmaqueue    mpegq;
 148         u32                        ts_packet_size;
 149         u32                        ts_packet_count;
 150
 151         int                        width;
 152         int                        height;
 153
 154         spinlock_t                 slock;
 155
 156         /* registers */
 157         u32                        reg_gpcnt;
 158         u32                        reg_gpcnt_ctl;
 159         u32                        reg_dma_ctl;
 160         u32                        reg_lngth;
 161         u32                        reg_hw_sop_ctrl;
 162         u32                        reg_gen_ctrl;
 163         u32                        reg_bd_pkt_status;
 164         u32                        reg_sop_status;
 165         u32                        reg_fifo_ovfl_stat;
 166         u32                        reg_vld_misc;
 167         u32                        reg_ts_clk_en;
 168         u32                        reg_ts_int_msk;
 169         u32                        reg_ts_int_stat;
 170         u32                        reg_src_sel;
 171
 172         /* Default register vals */
 173         int                        pci_irqmask;
 174         u32                        dma_ctl_val;
 175         u32                        ts_int_msk_val;
 176         u32                        gen_ctrl_val;
 177         u32                        ts_clk_en_val;
 178         u32                        src_sel_val;
 179 };
 180
 181 struct cx23885_dev {
 182         struct list_head           devlist;
 183         atomic_t                   refcount;
 184
 185         /* pci stuff */
 186         struct pci_dev             *pci;
 187         unsigned char              pci_rev, pci_lat;
 188         int                        pci_bus, pci_slot;
 189         u32                        __iomem *lmmio;
 190         u8                         __iomem *bmmio;
 191         int                        pci_irqmask;
 192
 193         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 194         struct cx23885_i2c         i2c_bus[3];
 195
 196         int                        nr;
 197         struct mutex               lock;
 198
 199         /* board details */
 200         unsigned int               board;
 201         char                       name[32];
 202
 203         struct cx23885_tsport      ts1, ts2;
 204
 205         /* sram configuration */
 206         struct sram_channel        *sram_channels;
 207
 208         enum {
 209                 CX23885_BRIDGE_UNDEFINED = 0,
 210                 CX23885_BRIDGE_885 = 885,
 211                 CX23885_BRIDGE_887 = 887,
 212         } bridge;
 213 };
 214
 215 #define SRAM_CH01  0 /* Video A */
 216 #define SRAM_CH02  1 /* VBI A */
 217 #define SRAM_CH03  2 /* Video B */
 218 #define SRAM_CH04  3 /* Transport via B */
 219 #define SRAM_CH05  4 /* VBI B */
 220 #define SRAM_CH06  5 /* Video C */
 221 #define SRAM_CH07  6 /* Transport via C */
 222 #define SRAM_CH08  7 /* Audio Internal A */
 223 #define SRAM_CH09  8 /* Audio Internal B */
 224 #define SRAM_CH10  9 /* Audio External */
 225 #define SRAM_CH11 10 /* COMB_3D_N */
 226 #define SRAM_CH12 11 /* Comb 3D N1 */
 227 #define SRAM_CH13 12 /* Comb 3D N2 */
 228 #define SRAM_CH14 13 /* MOE Vid */
 229 #define SRAM_CH15 14 /* MOE RSLT */
 230
 231 struct sram_channel {
 232         char *name;
 233         u32  cmds_start;
 234         u32  ctrl_start;
 235         u32  cdt;
 236         u32  fifo_start;;
 237         u32  fifo_size;
 238         u32  ptr1_reg;
 239         u32  ptr2_reg;
 240         u32  cnt1_reg;
 241         u32  cnt2_reg;
 242         u32  jumponly;
 243 };
 244
 245 /* ----------------------------------------------------------- */
 246
 247 #define cx_read(reg)             readl(dev->lmmio + ((reg)>>2))
 248 #define cx_write(reg,value)      writel((value), dev->lmmio + ((reg)>>2))
 249
 250 #define cx_andor(reg,mask,value) \
 251   writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
 252   ((value) & (mask)), dev->lmmio+((reg)>>2))
 253
 254 #define cx_set(reg,bit)          cx_andor((reg),(bit),(bit))
 255 #define cx_clear(reg,bit)        cx_andor((reg),(bit),0)
 256
 257 /* ----------------------------------------------------------- */
 258 /* cx23885-cards.c                                                */
 259
 260 extern struct cx23885_board cx23885_boards[];
 261 extern const unsigned int cx23885_bcount;
 262
 263 extern struct cx23885_subid cx23885_subids[];
 264 extern const unsigned int cx23885_idcount;
 265
 266 extern void cx23885_card_list(struct cx23885_dev *dev);
 267 extern int  cx23885_ir_init(struct cx23885_dev *dev);
 268 extern void cx23885_gpio_setup(struct cx23885_dev *dev);
 269 extern void cx23885_card_setup(struct cx23885_dev *dev);
 270 extern void cx23885_card_setup_pre_i2c(struct cx23885_dev *dev);
 271
 272 extern int cx23885_dvb_register(struct cx23885_tsport *port);
 273 extern int cx23885_dvb_unregister(struct cx23885_tsport *port);
 274
 275 extern int cx23885_buf_prepare(struct videobuf_queue *q,
 276                                struct cx23885_tsport *port,
 277                                struct cx23885_buffer *buf,
 278                                enum v4l2_field field);
 279
 280 extern void cx23885_buf_queue(struct cx23885_tsport *port,
 281                               struct cx23885_buffer *buf);
 282 extern void cx23885_free_buffer(struct videobuf_queue *q,
 283                                 struct cx23885_buffer *buf);
 284
 285 /* ----------------------------------------------------------- */
 286 /* cx23885-i2c.c                                                */
 287 extern int cx23885_i2c_register(struct cx23885_i2c *bus);
 288 extern int cx23885_i2c_unregister(struct cx23885_i2c *bus);
 289 extern void cx23885_call_i2c_clients(struct cx23885_i2c *bus, unsigned int cmd,
 290                                      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  */