diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/s_pri.c')
| -rw-r--r-- | drivers/isdn/hardware/eicon/s_pri.c | 314 |
1 files changed, 157 insertions, 157 deletions
diff --git a/drivers/isdn/hardware/eicon/s_pri.c b/drivers/isdn/hardware/eicon/s_pri.c index 18f28788857..ddd0e0ef8ed 100644 --- a/drivers/isdn/hardware/eicon/s_pri.c +++ b/drivers/isdn/hardware/eicon/s_pri.c @@ -1,26 +1,26 @@ /* * - Copyright (c) Eicon Networks, 2002. + Copyright (c) Eicon Networks, 2002. * - This source file is supplied for the use with - Eicon Networks range of DIVA Server Adapters. + This source file is supplied for the use with + Eicon Networks range of DIVA Server Adapters. * - Eicon File Revision : 2.1 + Eicon File Revision : 2.1 * - 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, or (at your option) - any later version. + 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, or (at your option) + any later version. * - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY - implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - See the GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the 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. + 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 "platform.h" @@ -38,168 +38,168 @@ /*****************************************************************************/ #define MAX_XLOG_SIZE (64 * 1024) /* ------------------------------------------------------------------------- - Does return offset between ADAPTER->ram and real begin of memory - ------------------------------------------------------------------------- */ -static dword pri_ram_offset (ADAPTER* a) { - return ((dword)MP_SHARED_RAM_OFFSET); + Does return offset between ADAPTER->ram and real begin of memory + ------------------------------------------------------------------------- */ +static dword pri_ram_offset(ADAPTER *a) { + return ((dword)MP_SHARED_RAM_OFFSET); } /* ------------------------------------------------------------------------- - Recovery XLOG buffer from the card - ------------------------------------------------------------------------- */ -static void pri_cpu_trapped (PISDN_ADAPTER IoAdapter) { - byte __iomem *base ; - word *Xlog ; - dword regs[4], TrapID, size ; - Xdesc xlogDesc ; + Recovery XLOG buffer from the card + ------------------------------------------------------------------------- */ +static void pri_cpu_trapped(PISDN_ADAPTER IoAdapter) { + byte __iomem *base; + word *Xlog; + dword regs[4], TrapID, size; + Xdesc xlogDesc; /* * check for trapped MIPS 46xx CPU, dump exception frame */ - base = DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter); - TrapID = READ_DWORD(&base[0x80]) ; - if ( (TrapID == 0x99999999) || (TrapID == 0x99999901) ) - { - dump_trap_frame (IoAdapter, &base[0x90]) ; - IoAdapter->trapped = 1 ; - } - regs[0] = READ_DWORD(&base[MP_PROTOCOL_OFFSET + 0x70]); - regs[1] = READ_DWORD(&base[MP_PROTOCOL_OFFSET + 0x74]); - regs[2] = READ_DWORD(&base[MP_PROTOCOL_OFFSET + 0x78]); - regs[3] = READ_DWORD(&base[MP_PROTOCOL_OFFSET + 0x7c]); - regs[0] &= IoAdapter->MemorySize - 1 ; - if ( (regs[0] < IoAdapter->MemorySize - 1) ) - { - if ( !(Xlog = (word *)diva_os_malloc (0, MAX_XLOG_SIZE)) ) { - DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, base); - return ; - } - size = IoAdapter->MemorySize - regs[0] ; - if ( size > MAX_XLOG_SIZE ) - size = MAX_XLOG_SIZE ; - memcpy_fromio(Xlog, &base[regs[0]], size) ; - xlogDesc.buf = Xlog ; - xlogDesc.cnt = READ_WORD(&base[regs[1] & (IoAdapter->MemorySize - 1)]) ; - xlogDesc.out = READ_WORD(&base[regs[2] & (IoAdapter->MemorySize - 1)]) ; - dump_xlog_buffer (IoAdapter, &xlogDesc) ; - diva_os_free (0, Xlog) ; - IoAdapter->trapped = 2 ; - } - DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, base); + base = DIVA_OS_MEM_ATTACH_ADDRESS(IoAdapter); + TrapID = READ_DWORD(&base[0x80]); + if ((TrapID == 0x99999999) || (TrapID == 0x99999901)) + { + dump_trap_frame(IoAdapter, &base[0x90]); + IoAdapter->trapped = 1; + } + regs[0] = READ_DWORD(&base[MP_PROTOCOL_OFFSET + 0x70]); + regs[1] = READ_DWORD(&base[MP_PROTOCOL_OFFSET + 0x74]); + regs[2] = READ_DWORD(&base[MP_PROTOCOL_OFFSET + 0x78]); + regs[3] = READ_DWORD(&base[MP_PROTOCOL_OFFSET + 0x7c]); + regs[0] &= IoAdapter->MemorySize - 1; + if ((regs[0] < IoAdapter->MemorySize - 1)) + { + if (!(Xlog = (word *)diva_os_malloc(0, MAX_XLOG_SIZE))) { + DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, base); + return; + } + size = IoAdapter->MemorySize - regs[0]; + if (size > MAX_XLOG_SIZE) + size = MAX_XLOG_SIZE; + memcpy_fromio(Xlog, &base[regs[0]], size); + xlogDesc.buf = Xlog; + xlogDesc.cnt = READ_WORD(&base[regs[1] & (IoAdapter->MemorySize - 1)]); + xlogDesc.out = READ_WORD(&base[regs[2] & (IoAdapter->MemorySize - 1)]); + dump_xlog_buffer(IoAdapter, &xlogDesc); + diva_os_free(0, Xlog); + IoAdapter->trapped = 2; + } + DIVA_OS_MEM_DETACH_ADDRESS(IoAdapter, base); } /* ------------------------------------------------------------------------- - Hardware reset of PRI card - ------------------------------------------------------------------------- */ -static void reset_pri_hardware (PISDN_ADAPTER IoAdapter) { - byte __iomem *p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter); - WRITE_BYTE(p, _MP_RISC_RESET | _MP_LED1 | _MP_LED2); - diva_os_wait (50) ; - WRITE_BYTE(p, 0x00); - diva_os_wait (50) ; - DIVA_OS_MEM_DETACH_RESET(IoAdapter, p); + Hardware reset of PRI card + ------------------------------------------------------------------------- */ +static void reset_pri_hardware(PISDN_ADAPTER IoAdapter) { + byte __iomem *p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter); + WRITE_BYTE(p, _MP_RISC_RESET | _MP_LED1 | _MP_LED2); + diva_os_wait(50); + WRITE_BYTE(p, 0x00); + diva_os_wait(50); + DIVA_OS_MEM_DETACH_RESET(IoAdapter, p); } /* ------------------------------------------------------------------------- - Stop Card Hardware - ------------------------------------------------------------------------- */ -static void stop_pri_hardware (PISDN_ADAPTER IoAdapter) { - dword i; - byte __iomem *p; - dword volatile __iomem *cfgReg = (void __iomem *)DIVA_OS_MEM_ATTACH_CFG(IoAdapter); - WRITE_DWORD(&cfgReg[3], 0); - WRITE_DWORD(&cfgReg[1], 0); - DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfgReg); - IoAdapter->a.ram_out (&IoAdapter->a, &RAM->SWReg, SWREG_HALT_CPU) ; - i = 0 ; - while ( (i < 100) && (IoAdapter->a.ram_in (&IoAdapter->a, &RAM->SWReg) != 0) ) - { - diva_os_wait (1) ; - i++ ; - } - DBG_TRC(("%s: PRI stopped (%d)", IoAdapter->Name, i)) - cfgReg = (void __iomem *)DIVA_OS_MEM_ATTACH_CFG(IoAdapter); - WRITE_DWORD(&cfgReg[0],((dword)(~0x03E00000))); - DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfgReg); - diva_os_wait (1) ; - p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter); - WRITE_BYTE(p, _MP_RISC_RESET | _MP_LED1 | _MP_LED2); - DIVA_OS_MEM_DETACH_RESET(IoAdapter, p); + Stop Card Hardware + ------------------------------------------------------------------------- */ +static void stop_pri_hardware(PISDN_ADAPTER IoAdapter) { + dword i; + byte __iomem *p; + dword volatile __iomem *cfgReg = (void __iomem *)DIVA_OS_MEM_ATTACH_CFG(IoAdapter); + WRITE_DWORD(&cfgReg[3], 0); + WRITE_DWORD(&cfgReg[1], 0); + DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfgReg); + IoAdapter->a.ram_out(&IoAdapter->a, &RAM->SWReg, SWREG_HALT_CPU); + i = 0; + while ((i < 100) && (IoAdapter->a.ram_in(&IoAdapter->a, &RAM->SWReg) != 0)) + { + diva_os_wait(1); + i++; + } + DBG_TRC(("%s: PRI stopped (%d)", IoAdapter->Name, i)) + cfgReg = (void __iomem *)DIVA_OS_MEM_ATTACH_CFG(IoAdapter); + WRITE_DWORD(&cfgReg[0], ((dword)(~0x03E00000))); + DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfgReg); + diva_os_wait(1); + p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter); + WRITE_BYTE(p, _MP_RISC_RESET | _MP_LED1 | _MP_LED2); + DIVA_OS_MEM_DETACH_RESET(IoAdapter, p); } -static int load_pri_hardware (PISDN_ADAPTER IoAdapter) { - return (0); +static int load_pri_hardware(PISDN_ADAPTER IoAdapter) { + return (0); } /* -------------------------------------------------------------------------- - PRI Adapter interrupt Service Routine + PRI Adapter interrupt Service Routine -------------------------------------------------------------------------- */ -static int pri_ISR (struct _ISDN_ADAPTER* IoAdapter) { - byte __iomem *cfg = DIVA_OS_MEM_ATTACH_CFG(IoAdapter); - if ( !(READ_DWORD(cfg) & 0x80000000) ) { - DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfg); - return (0) ; - } - /* - clear interrupt line - */ - WRITE_DWORD(cfg, (dword)~0x03E00000) ; - DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfg); - IoAdapter->IrqCount++ ; - if ( IoAdapter->Initialized ) - { - diva_os_schedule_soft_isr (&IoAdapter->isr_soft_isr); - } - return (1) ; +static int pri_ISR(struct _ISDN_ADAPTER *IoAdapter) { + byte __iomem *cfg = DIVA_OS_MEM_ATTACH_CFG(IoAdapter); + if (!(READ_DWORD(cfg) & 0x80000000)) { + DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfg); + return (0); + } + /* + clear interrupt line + */ + WRITE_DWORD(cfg, (dword)~0x03E00000); + DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfg); + IoAdapter->IrqCount++; + if (IoAdapter->Initialized) + { + diva_os_schedule_soft_isr(&IoAdapter->isr_soft_isr); + } + return (1); } /* ------------------------------------------------------------------------- - Disable interrupt in the card hardware - ------------------------------------------------------------------------- */ -static void disable_pri_interrupt (PISDN_ADAPTER IoAdapter) { - dword volatile __iomem *cfgReg = (dword volatile __iomem *)DIVA_OS_MEM_ATTACH_CFG(IoAdapter) ; - WRITE_DWORD(&cfgReg[3], 0); - WRITE_DWORD(&cfgReg[1], 0); - WRITE_DWORD(&cfgReg[0], (dword)(~0x03E00000)) ; - DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfgReg); + Disable interrupt in the card hardware + ------------------------------------------------------------------------- */ +static void disable_pri_interrupt(PISDN_ADAPTER IoAdapter) { + dword volatile __iomem *cfgReg = (dword volatile __iomem *)DIVA_OS_MEM_ATTACH_CFG(IoAdapter); + WRITE_DWORD(&cfgReg[3], 0); + WRITE_DWORD(&cfgReg[1], 0); + WRITE_DWORD(&cfgReg[0], (dword)(~0x03E00000)); + DIVA_OS_MEM_DETACH_CFG(IoAdapter, cfgReg); } /* ------------------------------------------------------------------------- - Install entry points for PRI Adapter - ------------------------------------------------------------------------- */ -static void prepare_common_pri_functions (PISDN_ADAPTER IoAdapter) { - ADAPTER *a = &IoAdapter->a ; - a->ram_in = mem_in ; - a->ram_inw = mem_inw ; - a->ram_in_buffer = mem_in_buffer ; - a->ram_look_ahead = mem_look_ahead ; - a->ram_out = mem_out ; - a->ram_outw = mem_outw ; - a->ram_out_buffer = mem_out_buffer ; - a->ram_inc = mem_inc ; - a->ram_offset = pri_ram_offset ; - a->ram_out_dw = mem_out_dw; - a->ram_in_dw = mem_in_dw; - a->istream_wakeup = pr_stream; - IoAdapter->out = pr_out ; - IoAdapter->dpc = pr_dpc ; - IoAdapter->tst_irq = scom_test_int ; - IoAdapter->clr_irq = scom_clear_int ; - IoAdapter->pcm = (struct pc_maint *)(MIPS_MAINT_OFFS - - MP_SHARED_RAM_OFFSET) ; - IoAdapter->load = load_pri_hardware ; - IoAdapter->disIrq = disable_pri_interrupt ; - IoAdapter->rstFnc = reset_pri_hardware ; - IoAdapter->stop = stop_pri_hardware ; - IoAdapter->trapFnc = pri_cpu_trapped ; - IoAdapter->diva_isr_handler = pri_ISR; + Install entry points for PRI Adapter + ------------------------------------------------------------------------- */ +static void prepare_common_pri_functions(PISDN_ADAPTER IoAdapter) { + ADAPTER *a = &IoAdapter->a; + a->ram_in = mem_in; + a->ram_inw = mem_inw; + a->ram_in_buffer = mem_in_buffer; + a->ram_look_ahead = mem_look_ahead; + a->ram_out = mem_out; + a->ram_outw = mem_outw; + a->ram_out_buffer = mem_out_buffer; + a->ram_inc = mem_inc; + a->ram_offset = pri_ram_offset; + a->ram_out_dw = mem_out_dw; + a->ram_in_dw = mem_in_dw; + a->istream_wakeup = pr_stream; + IoAdapter->out = pr_out; + IoAdapter->dpc = pr_dpc; + IoAdapter->tst_irq = scom_test_int; + IoAdapter->clr_irq = scom_clear_int; + IoAdapter->pcm = (struct pc_maint *)(MIPS_MAINT_OFFS + - MP_SHARED_RAM_OFFSET); + IoAdapter->load = load_pri_hardware; + IoAdapter->disIrq = disable_pri_interrupt; + IoAdapter->rstFnc = reset_pri_hardware; + IoAdapter->stop = stop_pri_hardware; + IoAdapter->trapFnc = pri_cpu_trapped; + IoAdapter->diva_isr_handler = pri_ISR; } /* ------------------------------------------------------------------------- - Install entry points for PRI Adapter - ------------------------------------------------------------------------- */ -void prepare_pri_functions (PISDN_ADAPTER IoAdapter) { - IoAdapter->MemorySize = MP_MEMORY_SIZE ; - prepare_common_pri_functions (IoAdapter) ; - diva_os_prepare_pri_functions (IoAdapter); + Install entry points for PRI Adapter + ------------------------------------------------------------------------- */ +void prepare_pri_functions(PISDN_ADAPTER IoAdapter) { + IoAdapter->MemorySize = MP_MEMORY_SIZE; + prepare_common_pri_functions(IoAdapter); + diva_os_prepare_pri_functions(IoAdapter); } /* ------------------------------------------------------------------------- - Install entry points for PRI Rev.2 Adapter - ------------------------------------------------------------------------- */ -void prepare_pri2_functions (PISDN_ADAPTER IoAdapter) { - IoAdapter->MemorySize = MP2_MEMORY_SIZE ; - prepare_common_pri_functions (IoAdapter) ; - diva_os_prepare_pri2_functions (IoAdapter); + Install entry points for PRI Rev.2 Adapter + ------------------------------------------------------------------------- */ +void prepare_pri2_functions(PISDN_ADAPTER IoAdapter) { + IoAdapter->MemorySize = MP2_MEMORY_SIZE; + prepare_common_pri_functions(IoAdapter); + diva_os_prepare_pri2_functions(IoAdapter); } /* ------------------------------------------------------------------------- */ |