drivers/media/pci/mantis/mantis_common.h

   1 /*
   2         Mantis PCI bridge driver
   3
   4         Copyright (C) Manu Abraham (abraham.manu@gmail.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         GNU General Public License for more details.
  15
  16         You should have received a copy of the GNU General Public License
  17         along with this program; if not, write to the Free Software
  18         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #ifndef __MANTIS_COMMON_H
  22 #define __MANTIS_COMMON_H
  23
  24 #include <linux/interrupt.h>
  25 #include <linux/mutex.h>
  26 #include <linux/workqueue.h>
  27
  28 #include "mantis_reg.h"
  29 #include "mantis_uart.h"
  30
  31 #include "mantis_link.h"
  32
  33 #define MANTIS_ERROR            0
  34 #define MANTIS_NOTICE           1
  35 #define MANTIS_INFO             2
  36 #define MANTIS_DEBUG            3
  37 #define MANTIS_TMG              9
  38
  39 #define dprintk(y, z, format, arg...) do {                                                              \
  40         if (z) {                                                                                        \
  41                 if      ((mantis->verbose > MANTIS_ERROR) && (mantis->verbose > y))                     \
  42                         printk(KERN_ERR "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);      \
  43                 else if ((mantis->verbose > MANTIS_NOTICE) && (mantis->verbose > y))                    \
  44                         printk(KERN_NOTICE "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);   \
  45                 else if ((mantis->verbose > MANTIS_INFO) && (mantis->verbose > y))                      \
  46                         printk(KERN_INFO "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);     \
  47                 else if ((mantis->verbose > MANTIS_DEBUG) && (mantis->verbose > y))                     \
  48                         printk(KERN_DEBUG "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);    \
  49                 else if ((mantis->verbose > MANTIS_TMG) && (mantis->verbose > y))                       \
  50                         printk(KERN_DEBUG "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);    \
  51         } else {                                                                                        \
  52                 if (mantis->verbose > y)                                                                \
  53                         printk(format , ##arg);                                                         \
  54         }                                                                                               \
  55 } while(0)
  56
  57 #define mwrite(dat, addr)       writel((dat), addr)
  58 #define mread(addr)             readl(addr)
  59
  60 #define mmwrite(dat, addr)      mwrite((dat), (mantis->mmio + (addr)))
  61 #define mmread(addr)            mread(mantis->mmio + (addr))
  62
  63 #define MANTIS_TS_188           0
  64 #define MANTIS_TS_204           1
  65
  66 #define TWINHAN_TECHNOLOGIES    0x1822
  67 #define MANTIS                  0x4e35
  68
  69 #define TECHNISAT               0x1ae4
  70 #define TERRATEC                0x153b
  71
  72 #define MAKE_ENTRY(__subven, __subdev, __configptr, __rc) {             \
  73                 .vendor         = TWINHAN_TECHNOLOGIES,                 \
  74                 .device         = MANTIS,                               \
  75                 .subvendor      = (__subven),                           \
  76                 .subdevice      = (__subdev),                           \
  77                 .driver_data    = (unsigned long)                       \
  78                         &(struct mantis_pci_drvdata){__configptr, __rc} \
  79 }
  80
  81 enum mantis_i2c_mode {
  82         MANTIS_PAGE_MODE = 0,
  83         MANTIS_BYTE_MODE,
  84 };
  85
  86 struct mantis_pci;
  87
  88 struct mantis_hwconfig {
  89         char                    *model_name;
  90         char                    *dev_type;
  91         u32                     ts_size;
  92
  93         enum mantis_baud        baud_rate;
  94         enum mantis_parity      parity;
  95         u32                     bytes;
  96
  97         irqreturn_t (*irq_handler)(int irq, void *dev_id);
  98         int (*frontend_init)(struct mantis_pci *mantis, struct dvb_frontend *fe);
  99
 100         u8                      power;
 101         u8                      reset;
 102
 103         enum mantis_i2c_mode    i2c_mode;
 104 };
 105
 106 struct mantis_pci_drvdata {
 107         struct mantis_hwconfig *hwconfig;
 108         char *rc_map_name;
 109 };
 110
 111 struct mantis_pci {
 112         unsigned int            verbose;
 113
 114         /*      PCI stuff               */
 115         u16                     vendor_id;
 116         u16                     device_id;
 117         u16                     subsystem_vendor;
 118         u16                     subsystem_device;
 119
 120         u8                      latency;
 121
 122         struct pci_dev          *pdev;
 123
 124         unsigned long           mantis_addr;
 125         void __iomem            *mmio;
 126
 127         u8                      irq;
 128         u8                      revision;
 129
 130         unsigned int            num;
 131
 132         /*      RISC Core               */
 133         u32                     busy_block;
 134         u32                     last_block;
 135         u8                      *buf_cpu;
 136         dma_addr_t              buf_dma;
 137         __le32                  *risc_cpu;
 138         dma_addr_t              risc_dma;
 139
 140         struct tasklet_struct   tasklet;
 141         spinlock_t              intmask_lock;
 142
 143         struct i2c_adapter      adapter;
 144         int                     i2c_rc;
 145         wait_queue_head_t       i2c_wq;
 146         struct mutex            i2c_lock;
 147
 148         /*      DVB stuff               */
 149         struct dvb_adapter      dvb_adapter;
 150         struct dvb_frontend     *fe;
 151         struct dvb_demux        demux;
 152         struct dmxdev           dmxdev;
 153         struct dmx_frontend     fe_hw;
 154         struct dmx_frontend     fe_mem;
 155         struct dvb_net          dvbnet;
 156
 157         u8                      feeds;
 158
 159         struct mantis_hwconfig  *hwconfig;
 160
 161         u32                     mantis_int_stat;
 162         u32                     mantis_int_mask;
 163
 164         /*      board specific          */
 165         u8                      mac_address[8];
 166         u32                     sub_vendor_id;
 167         u32                     sub_device_id;
 168
 169          /*     A12 A13 A14             */
 170         u32                     gpio_status;
 171
 172         u32                     gpif_status;
 173
 174         struct mantis_ca        *mantis_ca;
 175
 176         struct work_struct      uart_work;
 177
 178         struct rc_dev           *rc;
 179         char                    device_name[80];
 180         char                    input_phys[80];
 181         char                    *rc_map_name;
 182 };
 183
 184 #define MANTIS_HIF_STATUS       (mantis->gpio_status)
 185
 186 static inline void mantis_mask_ints(struct mantis_pci *mantis, u32 mask)
 187 {
 188         unsigned long flags;
 189
 190         spin_lock_irqsave(&mantis->intmask_lock, flags);
 191         mmwrite(mmread(MANTIS_INT_MASK) & ~mask, MANTIS_INT_MASK);
 192         spin_unlock_irqrestore(&mantis->intmask_lock, flags);
 193 }
 194
 195 static inline void mantis_unmask_ints(struct mantis_pci *mantis, u32 mask)
 196 {
 197         unsigned long flags;
 198
 199         spin_lock_irqsave(&mantis->intmask_lock, flags);
 200         mmwrite(mmread(MANTIS_INT_MASK) | mask, MANTIS_INT_MASK);
 201         spin_unlock_irqrestore(&mantis->intmask_lock, flags);
 202 }
 203
 204 #endif /* __MANTIS_COMMON_H */