diff options
Diffstat (limited to 'arch/mips/ite-boards/generic/it8172_cir.c')
| -rw-r--r-- | arch/mips/ite-boards/generic/it8172_cir.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/arch/mips/ite-boards/generic/it8172_cir.c b/arch/mips/ite-boards/generic/it8172_cir.c deleted file mode 100644 index bfc25adcfec6..000000000000 --- a/arch/mips/ite-boards/generic/it8172_cir.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * IT8172 Consumer IR port generic routines. - * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * 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. - */ - - -#ifdef CONFIG_IT8172_CIR - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/init.h> - -#include <asm/it8172/it8172.h> -#include <asm/it8172/it8172_cir.h> - - -volatile struct it8172_cir_regs *cir_regs[NUM_CIR_PORTS] = { - (volatile struct it8172_cir_regs *)(KSEG1ADDR(IT8172_PCI_IO_BASE + IT_CIR0_BASE)), - (volatile struct it8172_cir_regs *)(KSEG1ADDR(IT8172_PCI_IO_BASE + IT_CIR1_BASE))}; - - -/* - * Initialize Consumer IR Port. - */ -int cir_port_init(struct cir_port *cir) -{ - int port = cir->port; - unsigned char data; - - /* set baud rate */ - cir_regs[port]->bdlr = cir->baud_rate & 0xff; - cir_regs[port]->bdhr = (cir->baud_rate >> 8) & 0xff; - - /* set receiver control register */ - cir_regs[port]->rcr = (CIR_SET_RDWOS(cir->rdwos) | CIR_SET_RXDCR(cir->rxdcr)); - - /* set carrier frequency register */ - cir_regs[port]->cfr = (CIR_SET_CF(cir->cfq) | CIR_SET_HS(cir->hcfs)); - - /* set fifo threshold */ - data = cir_regs[port]->mstcr & 0xf3; - data |= CIR_SET_FIFO_TL(cir->fifo_tl); - cir_regs[port]->mstcr = data; - - clear_fifo(cir); - enable_receiver(cir); - disable_rx_demodulation(cir); - - set_rx_active(cir); - int_enable(cir); - rx_int_enable(cir); - - return 0; -} - - -void clear_fifo(struct cir_port *cir) -{ - cir_regs[cir->port]->mstcr |= CIR_FIFO_CLEAR; -} - -void enable_receiver(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr |= CIR_RXEN; -} - -void disable_receiver(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr &= ~CIR_RXEN; -} - -void enable_rx_demodulation(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr |= CIR_RXEND; -} - -void disable_rx_demodulation(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr &= ~CIR_RXEND; -} - -void set_rx_active(struct cir_port *cir) -{ - cir_regs[cir->port]->rcr |= CIR_RXACT; -} - -void int_enable(struct cir_port *cir) -{ - cir_regs[cir->port]->ier |= CIR_IEC; -} - -void rx_int_enable(struct cir_port *cir) -{ - cir_regs[cir->port]->ier |= CIR_RDAIE; -} - -void dump_regs(struct cir_port *cir) -{ - printk("mstcr %x ier %x iir %x cfr %x rcr %x tcr %x tfsr %x rfsr %x\n", - cir_regs[cir->port]->mstcr, - cir_regs[cir->port]->ier, - cir_regs[cir->port]->iir, - cir_regs[cir->port]->cfr, - cir_regs[cir->port]->rcr, - cir_regs[cir->port]->tcr, - cir_regs[cir->port]->tfsr, - cir_regs[cir->port]->rfsr); - - while (cir_regs[cir->port]->iir & CIR_RDAI) { - printk("data %x\n", cir_regs[cir->port]->dr); - } -} - -void dump_reg_addr(struct cir_port *cir) -{ - printk("dr %x mstcr %x ier %x iir %x cfr %x rcr %x tcr %x bdlr %x bdhr %x tfsr %x rfsr %x\n", - (unsigned)&cir_regs[cir->port]->dr, - (unsigned)&cir_regs[cir->port]->mstcr, - (unsigned)&cir_regs[cir->port]->ier, - (unsigned)&cir_regs[cir->port]->iir, - (unsigned)&cir_regs[cir->port]->cfr, - (unsigned)&cir_regs[cir->port]->rcr, - (unsigned)&cir_regs[cir->port]->tcr, - (unsigned)&cir_regs[cir->port]->bdlr, - (unsigned)&cir_regs[cir->port]->bdhr, - (unsigned)&cir_regs[cir->port]->tfsr, - (unsigned)&cir_regs[cir->port]->rfsr); -} - -int cir_get_rx_count(struct cir_port *cir) -{ - return cir_regs[cir->port]->rfsr & CIR_RXFBC_MASK; -} - -char cir_read_data(struct cir_port *cir) -{ - return cir_regs[cir->port]->dr; -} - -char get_int_status(struct cir_port *cir) -{ - return cir_regs[cir->port]->iir; -} -#endif |