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Mantis PCI bridge driver
Copyright (C) Manu Abraham (
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
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/interrupt.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#include "mantis_reg.h"
#include "mantis_uart.h"
#include "mantis_link.h"
#define MANTIS_ERROR 0
#define MANTIS_INFO 2
#define MANTIS_DEBUG 3
#define MANTIS_TMG 9
#define dprintk(y, z, format, arg...) do { \
if (z) { \
if ((mantis->verbose > MANTIS_ERROR) && (mantis->verbose > y)) \
printk(KERN_ERR "%s (%d): " format "\n" , __func__ , mantis->num , ##arg); \
else if ((mantis->verbose > MANTIS_NOTICE) && (mantis->verbose > y)) \
printk(KERN_NOTICE "%s (%d): " format "\n" , __func__ , mantis->num , ##arg); \
else if ((mantis->verbose > MANTIS_INFO) && (mantis->verbose > y)) \
printk(KERN_INFO "%s (%d): " format "\n" , __func__ , mantis->num , ##arg); \
else if ((mantis->verbose > MANTIS_DEBUG) && (mantis->verbose > y)) \
printk(KERN_DEBUG "%s (%d): " format "\n" , __func__ , mantis->num , ##arg); \
else if ((mantis->verbose > MANTIS_TMG) && (mantis->verbose > y)) \
printk(KERN_DEBUG "%s (%d): " format "\n" , __func__ , mantis->num , ##arg); \
} else { \
if (mantis->verbose > y) \
printk(format , ##arg); \
} \
} while(0)
#define mwrite(dat, addr) writel((dat), addr)
#define mread(addr) readl(addr)
#define mmwrite(dat, addr) mwrite((dat), (mantis->mmio + (addr)))
#define mmread(addr) mread(mantis->mmio + (addr))
#define MANTIS_TS_188 0
#define MANTIS_TS_204 1
#define MANTIS 0x4e35
#define TECHNISAT 0x1ae4
#define TERRATEC 0x153b
#define MAKE_ENTRY(__subven, __subdev, __configptr, __rc) { \
.device = MANTIS, \
.subvendor = (__subven), \
.subdevice = (__subdev), \
.driver_data = (unsigned long) \
&(struct mantis_pci_drvdata){__configptr, __rc} \
enum mantis_i2c_mode {
struct mantis_pci;
struct mantis_hwconfig {
char *model_name;
char *dev_type;
u32 ts_size;
enum mantis_baud baud_rate;
enum mantis_parity parity;
u32 bytes;
irqreturn_t (*irq_handler)(int irq, void *dev_id);
int (*frontend_init)(struct mantis_pci *mantis, struct dvb_frontend *fe);
u8 power;
u8 reset;
enum mantis_i2c_mode i2c_mode;
struct mantis_pci_drvdata {
struct mantis_hwconfig *hwconfig;
char *rc_map_name;
struct mantis_pci {
unsigned int verbose;
/* PCI stuff */
u16 vendor_id;
u16 device_id;
u16 subsystem_vendor;
u16 subsystem_device;
u8 latency;
struct pci_dev *pdev;
unsigned long mantis_addr;
void __iomem *mmio;
u8 irq;
u8 revision;
unsigned int num;
/* RISC Core */
u32 busy_block;
u32 last_block;
u8 *buf_cpu;
dma_addr_t buf_dma;
__le32 *risc_cpu;
dma_addr_t risc_dma;
struct tasklet_struct tasklet;
spinlock_t intmask_lock;
struct i2c_adapter adapter;
int i2c_rc;
wait_queue_head_t i2c_wq;
struct mutex i2c_lock;
/* DVB stuff */
struct dvb_adapter dvb_adapter;
struct dvb_frontend *fe;
struct dvb_demux demux;
struct dmxdev dmxdev;
struct dmx_frontend fe_hw;
struct dmx_frontend fe_mem;
struct dvb_net dvbnet;
u8 feeds;
struct mantis_hwconfig *hwconfig;
u32 mantis_int_stat;
u32 mantis_int_mask;
/* board specific */
u8 mac_address[8];
u32 sub_vendor_id;
u32 sub_device_id;
/* A12 A13 A14 */
u32 gpio_status;
u32 gpif_status;
struct mantis_ca *mantis_ca;
struct work_struct uart_work;
struct rc_dev *rc;
char device_name[80];
char input_phys[80];
char *rc_map_name;
#define MANTIS_HIF_STATUS (mantis->gpio_status)
static inline void mantis_mask_ints(struct mantis_pci *mantis, u32 mask)
unsigned long flags;
spin_lock_irqsave(&mantis->intmask_lock, flags);
mmwrite(mmread(MANTIS_INT_MASK) & ~mask, MANTIS_INT_MASK);
spin_unlock_irqrestore(&mantis->intmask_lock, flags);
static inline void mantis_unmask_ints(struct mantis_pci *mantis, u32 mask)
unsigned long flags;
spin_lock_irqsave(&mantis->intmask_lock, flags);
mmwrite(mmread(MANTIS_INT_MASK) | mask, MANTIS_INT_MASK);
spin_unlock_irqrestore(&mantis->intmask_lock, flags);
#endif /* __MANTIS_COMMON_H */