diff options
Diffstat (limited to 'drivers/media/rc/nuvoton-cir.h')
| -rw-r--r-- | drivers/media/rc/nuvoton-cir.h | 37 |
1 files changed, 2 insertions, 35 deletions
diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h index 88a29df38a57..ed7d93beaa28 100644 --- a/drivers/media/rc/nuvoton-cir.h +++ b/drivers/media/rc/nuvoton-cir.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Driver for Nuvoton Technology Corporation w83667hg/w83677hg-i CIR * @@ -8,16 +9,6 @@ * sample code upon which portions of this driver are based. Indirect * thanks also to Maxim Levitsky, whose ene_ir driver this driver is * modeled after. - * - * 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 program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/spinlock.h> @@ -46,14 +37,6 @@ static int debug; KBUILD_MODNAME ": " text "\n" , ## __VA_ARGS__) -/* - * Original lirc driver said min value of 76, and recommended value of 256 - * for the buffer length, but then used 2048. Never mind that the size of the - * RX FIFO is 32 bytes... So I'm using 32 for RX and 256 for TX atm, but I'm - * not sure if maybe that TX value is off by a factor of 8 (bits vs. bytes), - * and I don't have TX-capable hardware to test/debug on... - */ -#define TX_BUF_LEN 256 #define RX_BUF_LEN 32 #define SIO_ID_MASK 0xfff0 @@ -81,14 +64,6 @@ struct nvt_dev { u8 buf[RX_BUF_LEN]; unsigned int pkts; - struct { - u8 buf[TX_BUF_LEN]; - unsigned int buf_count; - unsigned int cur_buf_num; - wait_queue_head_t queue; - u8 tx_state; - } tx; - /* EFER Config register index/data pair */ u32 cr_efir; u32 cr_efdr; @@ -103,18 +78,10 @@ struct nvt_dev { u8 chip_major; u8 chip_minor; - /* hardware features */ - bool hw_tx_capable; - /* carrier period = 1 / frequency */ u32 carrier; }; -/* send states */ -#define ST_TX_NONE 0x0 -#define ST_TX_REQUEST 0x2 -#define ST_TX_REPLY 0x4 - /* buffer packet constants */ #define BUF_PULSE_BIT 0x80 #define BUF_LEN_MASK 0x7f @@ -127,7 +94,7 @@ struct nvt_dev { #define CIR_IOREG_LENGTH 0x0f /* RX limit length, 8 high bits for SLCH, 8 low bits for SLCL */ -#define CIR_RX_LIMIT_COUNT (IR_DEFAULT_TIMEOUT / US_TO_NS(SAMPLE_PERIOD)) +#define CIR_RX_LIMIT_COUNT (IR_DEFAULT_TIMEOUT / SAMPLE_PERIOD) /* CIR Regs */ #define CIR_IRCON 0x00 |