drivers/media/pci/mantis/mantis_common.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3         Mantis PCI bridge driver
   4
   5         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   6
   7 */
   8
   9 #ifndef __MANTIS_COMMON_H
  10 #define __MANTIS_COMMON_H
  11
  12 #include <linux/interrupt.h>
  13 #include <linux/mutex.h>
  14 #include <linux/workqueue.h>
  15
  16 #include "mantis_reg.h"
  17 #include "mantis_uart.h"
  18
  19 #include "mantis_link.h"
  20
  21 #define MANTIS_ERROR            0
  22 #define MANTIS_NOTICE           1
  23 #define MANTIS_INFO             2
  24 #define MANTIS_DEBUG            3
  25 #define MANTIS_TMG              9
  26
  27 #define dprintk(y, z, format, arg...) do {                                                              \
  28         if (z) {                                                                                        \
  29                 if      ((mantis->verbose > MANTIS_ERROR) && (mantis->verbose > y))                     \
  30                         printk(KERN_ERR "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);      \
  31                 else if ((mantis->verbose > MANTIS_NOTICE) && (mantis->verbose > y))                    \
  32                         printk(KERN_NOTICE "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);   \
  33                 else if ((mantis->verbose > MANTIS_INFO) && (mantis->verbose > y))                      \
  34                         printk(KERN_INFO "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);     \
  35                 else if ((mantis->verbose > MANTIS_DEBUG) && (mantis->verbose > y))                     \
  36                         printk(KERN_DEBUG "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);    \
  37                 else if ((mantis->verbose > MANTIS_TMG) && (mantis->verbose > y))                       \
  38                         printk(KERN_DEBUG "%s (%d): " format "\n" , __func__ , mantis->num , ##arg);    \
  39         } else {                                                                                        \
  40                 if (mantis->verbose > y)                                                                \
  41                         printk(format , ##arg);                                                         \
  42         }                                                                                               \
  43 } while(0)
  44
  45 #define mwrite(dat, addr)       writel((dat), addr)
  46 #define mread(addr)             readl(addr)
  47
  48 #define mmwrite(dat, addr)      mwrite((dat), (mantis->mmio + (addr)))
  49 #define mmread(addr)            mread(mantis->mmio + (addr))
  50
  51 #define MANTIS_TS_188           0
  52 #define MANTIS_TS_204           1
  53
  54 #define TWINHAN_TECHNOLOGIES    0x1822
  55 #define MANTIS                  0x4e35
  56
  57 #define TECHNISAT               0x1ae4
  58 #define TERRATEC                0x153b
  59
  60 #define MAKE_ENTRY(__subven, __subdev, __configptr, __rc) {             \
  61                 .vendor         = TWINHAN_TECHNOLOGIES,                 \
  62                 .device         = MANTIS,                               \
  63                 .subvendor      = (__subven),                           \
  64                 .subdevice      = (__subdev),                           \
  65                 .driver_data    = (unsigned long)                       \
  66                         &(struct mantis_pci_drvdata){__configptr, __rc} \
  67 }
  68
  69 enum mantis_i2c_mode {
  70         MANTIS_PAGE_MODE = 0,
  71         MANTIS_BYTE_MODE,
  72 };
  73
  74 struct mantis_pci;
  75
  76 struct mantis_hwconfig {
  77         char                    *model_name;
  78         char                    *dev_type;
  79         u32                     ts_size;
  80
  81         enum mantis_baud        baud_rate;
  82         enum mantis_parity      parity;
  83         u32                     bytes;
  84
  85         irqreturn_t (*irq_handler)(int irq, void *dev_id);
  86         int (*frontend_init)(struct mantis_pci *mantis, struct dvb_frontend *fe);
  87
  88         u8                      power;
  89         u8                      reset;
  90
  91         enum mantis_i2c_mode    i2c_mode;
  92 };
  93
  94 struct mantis_pci_drvdata {
  95         struct mantis_hwconfig *hwconfig;
  96         char *rc_map_name;
  97 };
  98
  99 struct mantis_pci {
 100         unsigned int            verbose;
 101
 102         /*      PCI stuff               */
 103         u16                     vendor_id;
 104         u16                     device_id;
 105         u16                     subsystem_vendor;
 106         u16                     subsystem_device;
 107
 108         u8                      latency;
 109
 110         struct pci_dev          *pdev;
 111
 112         unsigned long           mantis_addr;
 113         void __iomem            *mmio;
 114
 115         u8                      irq;
 116         u8                      revision;
 117
 118         unsigned int            num;
 119
 120         /*      RISC Core               */
 121         u32                     busy_block;
 122         u32                     last_block;
 123         u8                      *buf_cpu;
 124         dma_addr_t              buf_dma;
 125         __le32                  *risc_cpu;
 126         dma_addr_t              risc_dma;
 127
 128         struct tasklet_struct   tasklet;
 129         spinlock_t              intmask_lock;
 130
 131         struct i2c_adapter      adapter;
 132         int                     i2c_rc;
 133         wait_queue_head_t       i2c_wq;
 134         struct mutex            i2c_lock;
 135
 136         /*      DVB stuff               */
 137         struct dvb_adapter      dvb_adapter;
 138         struct dvb_frontend     *fe;
 139         struct dvb_demux        demux;
 140         struct dmxdev           dmxdev;
 141         struct dmx_frontend     fe_hw;
 142         struct dmx_frontend     fe_mem;
 143         struct dvb_net          dvbnet;
 144
 145         u8                      feeds;
 146
 147         struct mantis_hwconfig  *hwconfig;
 148
 149         u32                     mantis_int_stat;
 150         u32                     mantis_int_mask;
 151
 152         /*      board specific          */
 153         u8                      mac_address[8];
 154         u32                     sub_vendor_id;
 155         u32                     sub_device_id;
 156
 157          /*     A12 A13 A14             */
 158         u32                     gpio_status;
 159
 160         u32                     gpif_status;
 161
 162         struct mantis_ca        *mantis_ca;
 163
 164         struct work_struct      uart_work;
 165
 166         struct rc_dev           *rc;
 167         char                    device_name[80];
 168         char                    input_phys[80];
 169         char                    *rc_map_name;
 170 };
 171
 172 #define MANTIS_HIF_STATUS       (mantis->gpio_status)
 173
 174 static inline void mantis_mask_ints(struct mantis_pci *mantis, u32 mask)
 175 {
 176         unsigned long flags;
 177
 178         spin_lock_irqsave(&mantis->intmask_lock, flags);
 179         mmwrite(mmread(MANTIS_INT_MASK) & ~mask, MANTIS_INT_MASK);
 180         spin_unlock_irqrestore(&mantis->intmask_lock, flags);
 181 }
 182
 183 static inline void mantis_unmask_ints(struct mantis_pci *mantis, u32 mask)
 184 {
 185         unsigned long flags;
 186
 187         spin_lock_irqsave(&mantis->intmask_lock, flags);
 188         mmwrite(mmread(MANTIS_INT_MASK) | mask, MANTIS_INT_MASK);
 189         spin_unlock_irqrestore(&mantis->intmask_lock, flags);
 190 }
 191
 192 #endif /* __MANTIS_COMMON_H */