/* ARGSUSED */
void sm_pm_ls_latch(struct s_smc *smc, int phy, int on_off)
/* int on_off; en- or disable ident. ls */
{
SK_UNUSED(smc) ;
phy = phy ; on_off = on_off ;
}
static int plc_send_bits(struct s_smc *smc, struct s_phy *phy, int len)
{
int np = phy->np ; /* PHY index */
int n ;
int i ;
SK_UNUSED(smc) ;
/* create bit vector */
for (i = len-1,n = 0 ; i >= 0 ; i--) {
n = (n<<1) | phy->t_val[phy->bitn+i] ;
}
if (inpw(PLC(np,PL_STATUS_B)) & PL_PCM_SIGNAL) {
#if 0
printf("PL_PCM_SIGNAL is set\n") ;
#endif
return 1;
}
/* write bit[n] & length = 1 to regs */
outpw(PLC(np,PL_VECTOR_LEN),len-1) ; /* len=nr-1 */
outpw(PLC(np,PL_XMIT_VECTOR),n) ;
#ifdef DEBUG
#if 1
#ifdef DEBUG_BRD
if (smc->debug.d_plc & 0x80)
#else
if (debug.d_plc & 0x80)
#endif
printf("SIGNALING bit %d .. %d\n",phy->bitn,phy->bitn+len-1) ;
#endif
#endif
return 0;
}
/*
* control PCM state machine
*/
static void plc_go_state(struct s_smc *smc, int p, int state)
{
HW_PTR port ;
int val ;
SK_UNUSED(smc) ;
port = (HW_PTR) (PLC(p,PL_CNTRL_B)) ;
val = inpw(port) & ~(PL_PCM_CNTRL | PL_MAINT) ;
outpw(port,val) ;
outpw(port,val | state) ;
}
void init_plc(struct s_smc *smc)
{
SK_UNUSED(smc) ;
/*
* dummy
* this is an obsolete public entry point that has to remain
* for compat. It is used by various drivers.
* the work is now done in real_init_plc()
* which is called from pcm_init() ;
*/
}
static void smt_stop_watchdog(struct s_smc *smc)
{
SK_UNUSED(smc) ; /* Make LINT happy. */
#ifndef DEBUG
#ifdef PCI
if (smc->hw.wdog_used) {
outpw(ADDR(B2_WDOG_CRTL),TIM_STOP) ; /* Stop timer. */
}
#endif
#endif /* DEBUG */
}
/*
* llc_recover_tx called by init_tx (fplus.c)
*/
void llc_recover_tx(struct s_smc *smc)
{
#ifdef LOAD_GEN
extern int load_gen_flag ;
load_gen_flag = 0 ;
#endif
#ifndef SYNC
smc->hw.n_a_send= 0 ;
#else
SK_UNUSED(smc) ;
#endif
}
static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue)
{
int i ;
int rx_used ;
u_long phys ;
u_long rbctrl ;
struct s_smt_fp_rxd volatile *r ;
SK_UNUSED(smc) ;
r = queue->rx_curr_get ;
rx_used = queue->rx_used ;
for (i = SMT_R1_RXD_COUNT-1 ; i ; i-- ) {
r = r->rxd_next ;
}
phys = le32_to_cpu(r->rxd_nrdadr) ;
r = queue->rx_curr_get ;
while (rx_used) {
DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
rbctrl = le32_to_cpu(r->rxd_rbctrl) ;
if (rbctrl & BMU_OWN) {
if (rbctrl & BMU_STF) {
break ; /* exit the loop */
}
else {
/*
* repair the descriptor
*/
r->rxd_rbctrl &= ~cpu_to_le32(BMU_OWN) ;
}
}
phys = le32_to_cpu(r->rxd_nrdadr) ;
DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ;
r = r->rxd_next ;
rx_used-- ;
}
return(phys) ;
}
static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue)
{
int i ;
int tx_used ;
u_long phys ;
u_long tbctrl ;
struct s_smt_fp_txd volatile *t ;
SK_UNUSED(smc) ;
t = queue->tx_curr_get ;
tx_used = queue->tx_used ;
for (i = tx_used+queue->tx_free-1 ; i ; i-- ) {
t = t->txd_next ;
}
phys = le32_to_cpu(t->txd_ntdadr) ;
t = queue->tx_curr_get ;
while (tx_used) {
DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORCPU) ;
tbctrl = le32_to_cpu(t->txd_tbctrl) ;
if (tbctrl & BMU_OWN) {
if (tbctrl & BMU_STF) {
break ; /* exit the loop */
}
else {
/*
* repair the descriptor
*/
t->txd_tbctrl &= ~cpu_to_le32(BMU_OWN) ;
}
}
phys = le32_to_cpu(t->txd_ntdadr) ;
DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
t = t->txd_next ;
tx_used-- ;
}
return(phys) ;
}
/*
* FDDI card reset
*/
static void card_start(struct s_smc *smc)
{
int i ;
#ifdef PCI
u_char rev_id ;
u_short word;
#endif
smt_stop_watchdog(smc) ;
#ifdef PCI
/*
* make sure no transfer activity is pending
*/
outpw(FM_A(FM_MDREG1),FM_MINIT) ;
outp(ADDR(B0_CTRL), CTRL_HPI_SET) ;
hwt_wait_time(smc,hwt_quick_read(smc),MS2BCLK(10)) ;
/*
* now reset everything
*/
outp(ADDR(B0_CTRL),CTRL_RST_SET) ; /* reset for all chips */
i = (int) inp(ADDR(B0_CTRL)) ; /* do dummy read */
SK_UNUSED(i) ; /* Make LINT happy. */
outp(ADDR(B0_CTRL), CTRL_RST_CLR) ;
/*
* Reset all bits in the PCI STATUS register
*/
outp(ADDR(B0_TST_CTRL), TST_CFG_WRITE_ON) ; /* enable for writes */
word = inpw(PCI_C(PCI_STATUS)) ;
outpw(PCI_C(PCI_STATUS), word | PCI_ERRBITS) ;
outp(ADDR(B0_TST_CTRL), TST_CFG_WRITE_OFF) ; /* disable writes */
/*
* Release the reset of all the State machines
* Release Master_Reset
* Release HPI_SM_Reset
*/
outp(ADDR(B0_CTRL), CTRL_MRST_CLR|CTRL_HPI_CLR) ;
/*
* determine the adapter type
* Note: Do it here, because some drivers may call card_start() once
* at very first before any other initialization functions is
* executed.
*/
rev_id = inp(PCI_C(PCI_REV_ID)) ;
if ((rev_id & 0xf0) == SK_ML_ID_1 || (rev_id & 0xf0) == SK_ML_ID_2) {
smc->hw.hw_is_64bit = TRUE ;
} else {
smc->hw.hw_is_64bit = FALSE ;
}
/*
* Watermark initialization
*/
if (!smc->hw.hw_is_64bit) {
outpd(ADDR(B4_R1_F), RX_WATERMARK) ;
outpd(ADDR(B5_XA_F), TX_WATERMARK) ;
outpd(ADDR(B5_XS_F), TX_WATERMARK) ;
}
outp(ADDR(B0_CTRL),CTRL_RST_CLR) ; /* clear the reset chips */
outp(ADDR(B0_LED),LED_GA_OFF|LED_MY_ON|LED_GB_OFF) ; /* ye LED on */
/* init the timer value for the watch dog 2,5 minutes */
outpd(ADDR(B2_WDOG_INI),0x6FC23AC0) ;
/* initialize the ISR mask */
smc->hw.is_imask = ISR_MASK ;
smc->hw.hw_state = STOPPED ;
#endif
GET_PAGE(0) ; /* necessary for BOOT */
}
void mac_do_pci_fix(struct s_smc *smc)
{
SK_UNUSED(smc) ;
}
void plc_clear_irq(struct s_smc *smc, int p)
{
SK_UNUSED(p) ;
SK_UNUSED(smc) ;
}
/*
* return S-port (PA or PB)
*/
int pcm_get_s_port(struct s_smc *smc)
{
SK_UNUSED(smc) ;
return PS;
}
/*
* force line state on a PHY output (only in MAINT state)
*/
static void sm_ph_linestate(struct s_smc *smc, int phy, int ls)
{
int cntrl ;
SK_UNUSED(smc) ;
cntrl = (inpw(PLC(phy,PL_CNTRL_B)) & ~PL_MAINT_LS) |
PL_PCM_STOP | PL_MAINT ;
switch(ls) {
case PC_QLS: /* Force Quiet */
cntrl |= PL_M_QUI0 ;
break ;
case PC_MLS: /* Force Master */
cntrl |= PL_M_MASTR ;
break ;
case PC_HLS: /* Force Halt */
cntrl |= PL_M_HALT ;
break ;
default :
case PC_ILS: /* Force Idle */
cntrl |= PL_M_IDLE ;
break ;
case PC_LS_PDR: /* Enable repeat filter */
cntrl |= PL_M_TPDR ;
break ;
}
outpw(PLC(phy,PL_CNTRL_B),cntrl) ;
}