diff options
Diffstat (limited to 'drivers/media/rc/ite-cir.h')
| -rw-r--r-- | drivers/media/rc/ite-cir.h | 80 |
1 files changed, 18 insertions, 62 deletions
diff --git a/drivers/media/rc/ite-cir.h b/drivers/media/rc/ite-cir.h index aa899a0b9750..4b4294d77555 100644 --- a/drivers/media/rc/ite-cir.h +++ b/drivers/media/rc/ite-cir.h @@ -1,42 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Driver for ITE Tech Inc. IT8712F/IT8512F CIR * * Copyright (C) 2010 Juan Jesús García de Soria <skandalfo@gmail.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 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. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA. */ /* platform driver name to register */ #define ITE_DRIVER_NAME "ite-cir" -/* logging macros */ -#define ite_pr(level, text, ...) \ - printk(level KBUILD_MODNAME ": " text, ## __VA_ARGS__) -#define ite_dbg(text, ...) do { \ - if (debug) \ - printk(KERN_DEBUG \ - KBUILD_MODNAME ": " text "\n" , ## __VA_ARGS__); \ -} while (0) - -#define ite_dbg_verbose(text, ...) do {\ - if (debug > 1) \ - printk(KERN_DEBUG \ - KBUILD_MODNAME ": " text "\n" , ## __VA_ARGS__); \ -} while (0) - /* FIFO sizes */ #define ITE_TX_FIFO_LEN 32 #define ITE_RX_FIFO_LEN 32 @@ -60,24 +31,6 @@ struct ite_dev_params { /* IR pnp I/O resource number */ int io_rsrc_no; - /* true if the hardware supports transmission */ - bool hw_tx_capable; - - /* base sampling period, in ns */ - u32 sample_period; - - /* rx low carrier frequency, in Hz, 0 means no demodulation */ - unsigned int rx_low_carrier_freq; - - /* tx high carrier frequency, in Hz, 0 means no demodulation */ - unsigned int rx_high_carrier_freq; - - /* tx carrier frequency, in Hz */ - unsigned int tx_carrier_freq; - - /* duty cycle, 0-100 */ - int tx_duty_cycle; - /* hw-specific operation function pointers; most of these must be * called while holding the spin lock, except for the TX FIFO length * one */ @@ -125,22 +78,32 @@ struct ite_dev_params { struct ite_dev { struct pnp_dev *pdev; struct rc_dev *rdev; - struct ir_raw_event rawir; /* sync data */ spinlock_t lock; - bool in_use, transmitting; + bool transmitting; /* transmit support */ - int tx_fifo_allowance; wait_queue_head_t tx_queue, tx_ended; + /* rx low carrier frequency, in Hz, 0 means no demodulation */ + unsigned int rx_low_carrier_freq; + + /* tx high carrier frequency, in Hz, 0 means no demodulation */ + unsigned int rx_high_carrier_freq; + + /* tx carrier frequency, in Hz */ + unsigned int tx_carrier_freq; + + /* duty cycle, 0-100 */ + int tx_duty_cycle; + /* hardware I/O settings */ unsigned long cir_addr; int cir_irq; /* overridable copy of model parameters */ - struct ite_dev_params params; + const struct ite_dev_params *params; }; /* common values for all kinds of hardware */ @@ -159,16 +122,9 @@ struct ite_dev { /* default carrier freq for when demodulator is off (Hz) */ #define ITE_DEFAULT_CARRIER_FREQ 38000 -/* default idling timeout in ns (0.2 seconds) */ -#define ITE_IDLE_TIMEOUT 200000000UL - -/* limit timeout values */ -#define ITE_MIN_IDLE_TIMEOUT 100000000UL -#define ITE_MAX_IDLE_TIMEOUT 1000000000UL - /* convert bits to us */ -#define ITE_BITS_TO_NS(bits, sample_period) \ -((u32) ((bits) * ITE_BAUDRATE_DIVISOR * sample_period)) +#define ITE_BITS_TO_US(bits, sample_period) \ +((u32)((bits) * ITE_BAUDRATE_DIVISOR * (sample_period) / 1000)) /* * n in RDCR produces a tolerance of +/- n * 6.25% around the center @@ -211,7 +167,7 @@ struct ite_dev { * hardware data obtained from: * * IT8712F - * Environment Control – Low Pin Count Input / Output + * Environment Control - Low Pin Count Input / Output * (EC - LPC I/O) * Preliminary Specification V0. 81 */ |