1/* $Id: hfc_pci.h,v 1.1.1.1 2007/08/03 18:52:35 Exp $
2 *
3 * specific defines for CCD's HFC 2BDS0 PCI chips
4 *
5 * Author       Werner Cornelius
6 * Copyright    by Werner Cornelius  <werner@isdn4linux.de>
7 *
8 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
10 *
11 */
12
13/*********************************************/
14/* thresholds for transparent B-channel mode */
15/* change mask and threshold simultaneously  */
16/*********************************************/
17#define HFCPCI_BTRANS_THRESHOLD 128
18#define HFCPCI_BTRANS_THRESMASK 0x00
19
20
21
22/* defines for PCI config */
23
24#define PCI_ENA_MEMIO    0x02
25#define PCI_ENA_MASTER   0x04
26
27
28/* GCI/IOM bus monitor registers */
29
30#define HCFPCI_C_I       0x08
31#define HFCPCI_TRxR      0x0C
32#define HFCPCI_MON1_D    0x28
33#define HFCPCI_MON2_D    0x2C
34
35
36/* GCI/IOM bus timeslot registers */
37
38#define HFCPCI_B1_SSL    0x80
39#define HFCPCI_B2_SSL    0x84
40#define HFCPCI_AUX1_SSL  0x88
41#define HFCPCI_AUX2_SSL  0x8C
42#define HFCPCI_B1_RSL    0x90
43#define HFCPCI_B2_RSL    0x94
44#define HFCPCI_AUX1_RSL  0x98
45#define HFCPCI_AUX2_RSL  0x9C
46
47/* GCI/IOM bus data registers */
48
49#define HFCPCI_B1_D      0xA0
50#define HFCPCI_B2_D      0xA4
51#define HFCPCI_AUX1_D    0xA8
52#define HFCPCI_AUX2_D    0xAC
53
54/* GCI/IOM bus configuration registers */
55
56#define HFCPCI_MST_EMOD  0xB4
57#define HFCPCI_MST_MODE	 0xB8
58#define HFCPCI_CONNECT 	 0xBC
59
60
61/* Interrupt and status registers */
62
63#define HFCPCI_FIFO_EN   0x44
64#define HFCPCI_TRM       0x48
65#define HFCPCI_B_MODE    0x4C
66#define HFCPCI_CHIP_ID   0x58
67#define HFCPCI_CIRM  	 0x60
68#define HFCPCI_CTMT	 0x64
69#define HFCPCI_INT_M1  	 0x68
70#define HFCPCI_INT_M2  	 0x6C
71#define HFCPCI_INT_S1  	 0x78
72#define HFCPCI_INT_S2  	 0x7C
73#define HFCPCI_STATUS  	 0x70
74
75/* S/T section registers */
76
77#define HFCPCI_STATES  	 0xC0
78#define HFCPCI_SCTRL  	 0xC4
79#define HFCPCI_SCTRL_E   0xC8
80#define HFCPCI_SCTRL_R   0xCC
81#define HFCPCI_SQ  	 0xD0
82#define HFCPCI_CLKDEL  	 0xDC
83#define HFCPCI_B1_REC    0xF0
84#define HFCPCI_B1_SEND   0xF0
85#define HFCPCI_B2_REC    0xF4
86#define HFCPCI_B2_SEND   0xF4
87#define HFCPCI_D_REC     0xF8
88#define HFCPCI_D_SEND    0xF8
89#define HFCPCI_E_REC     0xFC
90
91
92/* bits in status register (READ) */
93#define HFCPCI_PCI_PROC   0x02
94#define HFCPCI_NBUSY	  0x04
95#define HFCPCI_TIMER_ELAP 0x10
96#define HFCPCI_STATINT	  0x20
97#define HFCPCI_FRAMEINT	  0x40
98#define HFCPCI_ANYINT	  0x80
99
100/* bits in CTMT (Write) */
101#define HFCPCI_CLTIMER    0x80
102#define HFCPCI_TIM3_125   0x04
103#define HFCPCI_TIM25      0x10
104#define HFCPCI_TIM50      0x14
105#define HFCPCI_TIM400     0x18
106#define HFCPCI_TIM800     0x1C
107#define HFCPCI_AUTO_TIMER 0x20
108#define HFCPCI_TRANSB2    0x02
109#define HFCPCI_TRANSB1    0x01
110
111/* bits in CIRM (Write) */
112#define HFCPCI_AUX_MSK    0x07
113#define HFCPCI_RESET  	  0x08
114#define HFCPCI_B1_REV     0x40
115#define HFCPCI_B2_REV     0x80
116
117/* bits in INT_M1 and INT_S1 */
118#define HFCPCI_INTS_B1TRANS  0x01
119#define HFCPCI_INTS_B2TRANS  0x02
120#define HFCPCI_INTS_DTRANS   0x04
121#define HFCPCI_INTS_B1REC    0x08
122#define HFCPCI_INTS_B2REC    0x10
123#define HFCPCI_INTS_DREC     0x20
124#define HFCPCI_INTS_L1STATE  0x40
125#define HFCPCI_INTS_TIMER    0x80
126
127/* bits in INT_M2 */
128#define HFCPCI_PROC_TRANS    0x01
129#define HFCPCI_GCI_I_CHG     0x02
130#define HFCPCI_GCI_MON_REC   0x04
131#define HFCPCI_IRQ_ENABLE    0x08
132#define HFCPCI_PMESEL        0x80
133
134/* bits in STATES */
135#define HFCPCI_STATE_MSK     0x0F
136#define HFCPCI_LOAD_STATE    0x10
137#define HFCPCI_ACTIVATE	     0x20
138#define HFCPCI_DO_ACTION     0x40
139#define HFCPCI_NT_G2_G3      0x80
140
141/* bits in HFCD_MST_MODE */
142#define HFCPCI_MASTER	     0x01
143#define HFCPCI_SLAVE         0x00
144/* remaining bits are for codecs control */
145
146/* bits in HFCD_SCTRL */
147#define SCTRL_B1_ENA	     0x01
148#define SCTRL_B2_ENA	     0x02
149#define SCTRL_MODE_TE        0x00
150#define SCTRL_MODE_NT        0x04
151#define SCTRL_LOW_PRIO	     0x08
152#define SCTRL_SQ_ENA	     0x10
153#define SCTRL_TEST	     0x20
154#define SCTRL_NONE_CAP	     0x40
155#define SCTRL_PWR_DOWN	     0x80
156
157/* bits in SCTRL_E  */
158#define HFCPCI_AUTO_AWAKE    0x01
159#define HFCPCI_DBIT_1        0x04
160#define HFCPCI_IGNORE_COL    0x08
161#define HFCPCI_CHG_B1_B2     0x80
162
163/****************************/
164/* bits in FIFO_EN register */
165/****************************/
166#define HFCPCI_FIFOEN_B1     0x03
167#define HFCPCI_FIFOEN_B2     0x0C
168#define HFCPCI_FIFOEN_DTX    0x10
169#define HFCPCI_FIFOEN_B1TX   0x01
170#define HFCPCI_FIFOEN_B1RX   0x02
171#define HFCPCI_FIFOEN_B2TX   0x04
172#define HFCPCI_FIFOEN_B2RX   0x08
173
174
175/***********************************/
176/* definitions of fifo memory area */
177/***********************************/
178#define MAX_D_FRAMES 15
179#define MAX_B_FRAMES 31
180#define B_SUB_VAL    0x200
181#define B_FIFO_SIZE  (0x2000 - B_SUB_VAL)
182#define D_FIFO_SIZE  512
183#define D_FREG_MASK  0xF
184
185typedef struct {
186    unsigned short z1;  /* Z1 pointer 16 Bit */
187    unsigned short z2;  /* Z2 pointer 16 Bit */
188  } z_type;
189
190typedef struct {
191    u_char data[D_FIFO_SIZE]; /* FIFO data space */
192    u_char fill1[0x20A0-D_FIFO_SIZE]; /* reserved, do not use */
193    u_char f1,f2; /* f pointers */
194    u_char fill2[0x20C0-0x20A2]; /* reserved, do not use */
195    z_type za[MAX_D_FRAMES+1]; /* mask index with D_FREG_MASK for access */
196    u_char fill3[0x4000-0x2100]; /* align 16K */
197  } dfifo_type;
198
199typedef struct {
200    z_type za[MAX_B_FRAMES+1]; /* only range 0x0..0x1F allowed */
201    u_char f1,f2; /* f pointers */
202    u_char fill[0x2100-0x2082]; /* alignment */
203  } bzfifo_type;
204
205
206typedef union {
207    struct {
208      dfifo_type d_tx; /* D-send channel */
209      dfifo_type d_rx; /* D-receive channel */
210    } d_chan;
211    struct {
212      u_char fill1[0x200];
213      u_char txdat_b1[B_FIFO_SIZE];
214      bzfifo_type txbz_b1;
215
216      bzfifo_type txbz_b2;
217      u_char txdat_b2[B_FIFO_SIZE];
218
219      u_char fill2[D_FIFO_SIZE];
220
221      u_char rxdat_b1[B_FIFO_SIZE];
222      bzfifo_type rxbz_b1;
223
224      bzfifo_type rxbz_b2;
225      u_char rxdat_b2[B_FIFO_SIZE];
226    } b_chans;
227    u_char fill[32768];
228  } fifo_area;
229
230
231#define Write_hfc(a,b,c) (*(((u_char *)a->hw.hfcpci.pci_io)+b) = c)
232#define Read_hfc(a,b) (*(((u_char *)a->hw.hfcpci.pci_io)+b))
233
234extern void main_irq_hcpci(struct BCState *bcs);
235extern void releasehfcpci(struct IsdnCardState *cs);
236