ics_564.h

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/***************************************************************************
             ics.h  -  ICS-5x4 driver
                            -------------------
    begin                :  2003
    authors              :  Linus Gasser
    emails               :  [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef ICS_564_H__
#define ICS_564_H__

#include "ics_dev.h"
#include <linux/pci.h>

// The ICS-564 register set @ addr[1]
#define ICS_564_USER_STATUS  0x00
#define ICS_564_USER_CONTROL 0x08
#define ICS_564_STATUS       0x10
#define ICS_564_CONTROL      0x18
#define ICS_564_DAC_CONFIG   0x20
#define ICS_564_DAC_RESET    0x28
#define ICS_564_DAC_INSTR    0x30
#define ICS_564_INT_TRIGGER  0x38
#define ICS_564_FIFO         0x40
#define ICS_564_DAC1_COUNT   0x48
#define ICS_564_DAC2_COUNT   0x50
#define ICS_564_BUFFER       0x58
#define ICS_564_JTAG         0x60
#define ICS_564_CONTROL2     0x68
#define ICS_564_LOAD         0x70
#define ICS_564_IRQ_MASK     0x78
#define ICS_564_IRQ_STAT     0x80
#define ICS_564_USER_IO      0x88

#define DAC_INSTRUCTION_OFFSET               0x30
#define DAC_INSTRUCTION_DATA_BYTE            (0xFF<< 0)
#define DAC_INSTRUCTION_ADDRESS              (0x1F<< 8)
#define DAC_INSTRUCTION_DAC_SEL              (0x03<<13)
#define DAC_INSTRUCTION_RW                   (0x01<<15)
#define DATA_BIT0                  (1<< 0)

#define RES_ICS 1

#define ICS564_INITIALIZED (1<<0)
#define ICS564_STARTED     (1<<1)
#define ICS564_RUN         (1<<2)
#define ICS564_NO_INT      (1<<3)
#define ICS564_TRIGGER_INT (1<<4)
#define ICS564_TEST        (1<<5)

// Sampling frequency in MHz - 100 because linked with 554
#define ICS564_SAMPLE_FREQ 100
// Converts frequency in MHz to u64 for dac_config_profile
#define ICS564_CARRIER(x) ((u64)(((double)(x))/ICS564_SAMPLE_FREQ*(1ULL<<32)))

#define READ_ICS564_U8(x,y) readb( x->iobase[RES_ICS] + (ICS_564_##y) )
#define READ_ICS564_U16(x,y) readw( x->iobase[RES_ICS] + (ICS_564_##y) )
#define READ_ICS564_U32(x,y) readl( x->iobase[RES_ICS] + (ICS_564_##y) )
#define READ_ICS564_U64(x,y) ( (u64)READ_ICS564_U32(x,y) + ( (u64)READ_ICS564_U32(x,(y)+4) << 32 ) )
#define WR_DELAY 0
#define WRITE_ICS564_U8(x,y,z) writeb( (u8)(z), x->iobase[RES_ICS] + (ICS_564_##y) ); rtl_udelay( WR_DELAY )
#define WRITE_ICS564_U16(x,y,z) writew( (u16)(z), x->iobase[RES_ICS] + (ICS_564_##y) ); rtl_udelay( WR_DELAY )
#define WRITE_ICS564_U32(x,y,z) writel( (u32)(z), x->iobase[RES_ICS] + (ICS_564_##y) ); rtl_udelay( WR_DELAY )
#define WRITE_ICS564_U64(x,y,z) (*(volatile u64*)((u8*)(x)->iobase[RES_ICS]+(ICS_564_##y))=cpu_to_le64((u64)(z)));\
 rtl_udelay( WR_DELAY )

void ics564_dac_write( struct ics_dev *board, u8 dac, u8 addr, u8 data );

u8 ics564_dac_read( struct ics_dev *board, u8 dac, u8 addr );

void ics564_dac_set_base( struct ics_dev *board, int dac, u16 config );
u16 ics564_dac_config_base( u16 refclk, u16 pll_lock, u16 lsb_first, u16 sdio,
		     u16 mode, u16 auto_power, u16 sleep,
		     u16 bypass_inv_sinc, u16 cic_clear );
void ics564_dac_set_profile( struct ics_dev *board, int dac, int profile, u64 config );
u64 ics564_dac_config_profile( u64 frequency,
			u64 bypass_inv_cic, u64 inv_spect, u64 cic_u64erp,
			u64 scaling );

#define FIFO_SIZE_0_5K 0
#define FIFO_SIZE_1K 7
#define FIFO_SIZE_2K 5
#define FIFO_SIZE_4K 4
#define FIFO_SIZE_8K 6
#define FIFO_SIZE_16K 3
#define FIFO_SIZE_32K 1
#define FIFO_SIZE_64K 2
void ics564_fifo_setup( struct ics_dev *board, int size );

void ics564_setup_datapath( struct ics_dev *board, u32 dacs, u32 enable);

/*
#define ics564_dac_setup_datapath(board,dacs,enable) WRITE_ICS564_U32( board,\
  USER_CONTROL, ( ( ((u32) (dacs) ) & 0xf ) << 1 ) + !!( (u32)(enable) ) )
*/

// Very simplified, not all actions included
#define DAC_MODE_              0
#define DAC_MODE_0             0
#define DAC_MODE_CONTINOUS     0
#define DAC_MODE_ONESHOT_RL    1
#define DAC_MODE_ONESHOT_NO_RL 2
#define DAC_MODE_LOOP          3

void ics564_setup_control( struct ics_dev *board, u32 m1, u32 m2, u32 m3, u32 m4,
			u32 enable, u32 ext_trig, u32 ext_clock );

#define ics564_set_buffer_size(board,size) \
    WRITE_ICS564_U32( (board), BUFFER, (u32)size - 1 )

void ics564_load( struct ics_dev *board, u32 dacs );

#define ics564_trigger(board) WRITE_ICS564_U32( (board), INT_TRIGGER, 1 )

void ics564_freq( struct ics_dev *board, int dac, u32 freq );

void ics564_freq_quad( struct ics_dev *board, int dac, 
		       int profile, u32 freq );

void ics564_set_imr( struct ics_dev *board, u8 dac );

void ics564_clear_imr( struct ics_dev *board, u8 dac );

void ics564_start_dma( struct ics_dev *board, u64 dac, 
		    void *from, u64 count );

void ics564_cancel_dma( struct ics_dev *board );

void ics564_send_serial( struct ics_dev *board,u8 w_size, u32 word, u8 chip, u16 tx, u16 adr);

void ics564_test( struct ics_dev *board );

void ics564_dma_next_block( struct ics_dev *board );

unsigned int ics564_interrupt( unsigned int irq, struct pt_regs *r);
unsigned int ics564_interrupt_old( unsigned int irq, struct pt_regs *r);

int ics564_start(struct ics_dev *board);

void ics564_reset( struct ics_dev *board );

void ics564_setup( struct ics_dev *board );

int ics564_stop(struct ics_dev *board);

int ics564_init( void );

int ics564_free(struct ics_dev *board);

#endif