diff options
Diffstat (limited to 'include/asm-mips/it8172/it8172_cir.h')
| -rw-r--r-- | include/asm-mips/it8172/it8172_cir.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/include/asm-mips/it8172/it8172_cir.h b/include/asm-mips/it8172/it8172_cir.h new file mode 100644 index 0000000..6a1dbd2 --- /dev/null +++ b/include/asm-mips/it8172/it8172_cir.h @@ -0,0 +1,140 @@ +/* + * + * BRIEF MODULE DESCRIPTION + * IT8172 Consumer IR port defines. + * + * 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. + */ + +#define NUM_CIR_PORTS 2 + +/* Master Control Register */ +#define CIR_RESET 0x1 +#define CIR_FIFO_CLEAR 0x2 +#define CIR_SET_FIFO_TL(x) (((x)&0x3)<<2) +#define CIR_ILE 0x10 +#define CIR_ILSEL 0x20 + +/* Interrupt Enable Register */ +#define CIR_TLDLIE 0x1 +#define CIR_RDAIE 0x2 +#define CIR_RFOIE 0x4 +#define CIR_IEC 0x80 + +/* Interrupt Identification Register */ +#define CIR_TLDLI 0x1 +#define CIR_RDAI 0x2 +#define CIR_RFOI 0x4 +#define CIR_NIP 0x80 + +/* Carrier Frequency Register */ +#define CIR_SET_CF(x) ((x)&0x1f) + #define CFQ_38_480 0xB /* 38 KHz low, 480 KHz high */ +#define CIR_HCFS 0x20 + #define CIR_SET_HS(x) (((x)&0x1)<<5) + + +/* Receiver Control Register */ +#define CIR_SET_RXDCR(x) ((x)&0x7) +#define CIR_RXACT 0x8 +#define CIR_RXEND 0x10 +#define CIR_RDWOS 0x20 + #define CIR_SET_RDWOS(x) (((x)&0x1)<<5) +#define CIR_RXEN 0x80 + +/* Transmitter Control Register */ +#define CIR_SET_TXMPW(x) ((x)&0x7) +#define CIR_SET_TXMPM(x) (((x)&0x3)<<3) +#define CIR_TXENDF 0x20 +#define CIR_TXRLE 0x40 + +/* Receiver FIFO Status Register */ +#define CIR_RXFBC_MASK 0x3f +#define CIR_RXFTO 0x80 + +/* Wakeup Code Length Register */ +#define CIR_SET_WCL ((x)&0x3f) +#define CIR_WCL_MASK(x) ((x)&0x3f) + +/* Wakeup Power Control/Status Register */ +#define CIR_BTMON 0x2 +#define CIR_CIRON 0x4 +#define CIR_RCRST 0x10 +#define CIR_WCRST 0x20 + +struct cir_port { + int port; + unsigned short baud_rate; + unsigned char fifo_tl; + unsigned char cfq; + unsigned char hcfs; + unsigned char rdwos; + unsigned char rxdcr; +}; + +struct it8172_cir_regs { + unsigned char dr; /* data */ + char pad; + unsigned char mstcr; /* master control */ + char pad1; + unsigned char ier; /* interrupt enable */ + char pad2; + unsigned char iir; /* interrupt identification */ + char pad3; + unsigned char cfr; /* carrier frequency */ + char pad4; + unsigned char rcr; /* receiver control */ + char pad5; + unsigned char tcr; /* transmitter control */ + char pad6; + char pad7; + char pad8; + unsigned char bdlr; /* baud rate divisor low byte */ + char pad9; + unsigned char bdhr; /* baud rate divisor high byte */ + char pad10; + unsigned char tfsr; /* tx fifo byte count */ + char pad11; + unsigned char rfsr; /* rx fifo status */ + char pad12; + unsigned char wcl; /* wakeup code length */ + char pad13; + unsigned char wcr; /* wakeup code read/write */ + char pad14; + unsigned char wps; /* wakeup power control/status */ +}; + +int cir_port_init(struct cir_port *cir); +extern void clear_fifo(struct cir_port *cir); +extern void enable_receiver(struct cir_port *cir); +extern void disable_receiver(struct cir_port *cir); +extern void enable_rx_demodulation(struct cir_port *cir); +extern void disable_rx_demodulation(struct cir_port *cir); +extern void set_rx_active(struct cir_port *cir); +extern void int_enable(struct cir_port *cir); +extern void rx_int_enable(struct cir_port *cir); +extern char get_int_status(struct cir_port *cir); +extern int cir_get_rx_count(struct cir_port *cir); +extern char cir_read_data(struct cir_port *cir); |
