| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Maxim Levitsky | 683 | 97.57% | 5 | 45.45% |
| Jarod Wilson | 10 | 1.43% | 1 | 9.09% |
| David Härdeman | 3 | 0.43% | 2 | 18.18% |
| Thomas Gleixner | 2 | 0.29% | 1 | 9.09% |
| Mauro Carvalho Chehab | 1 | 0.14% | 1 | 9.09% |
| Paul Bolle | 1 | 0.14% | 1 | 9.09% |
| Total | 700 | 11 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * driver for ENE KB3926 B/C/D/E/F CIR (also known as ENE0XXX) * * Copyright (C) 2010 Maxim Levitsky <maximlevitsky@gmail.com> */ #include <linux/spinlock.h> /* hardware address */ #define ENE_STATUS 0 /* hardware status - unused */ #define ENE_ADDR_HI 1 /* hi byte of register address */ #define ENE_ADDR_LO 2 /* low byte of register address */ #define ENE_IO 3 /* read/write window */ #define ENE_IO_SIZE 4 /* 8 bytes of samples, divided in 2 packets*/ #define ENE_FW_SAMPLE_BUFFER 0xF8F0 /* sample buffer */ #define ENE_FW_SAMPLE_SPACE 0x80 /* sample is space */ #define ENE_FW_PACKET_SIZE 4 /* first firmware flag register */ #define ENE_FW1 0xF8F8 /* flagr */ #define ENE_FW1_ENABLE 0x01 /* enable fw processing */ #define ENE_FW1_TXIRQ 0x02 /* TX interrupt pending */ #define ENE_FW1_HAS_EXTRA_BUF 0x04 /* fw uses extra buffer*/ #define ENE_FW1_EXTRA_BUF_HND 0x08 /* extra buffer handshake bit*/ #define ENE_FW1_LED_ON 0x10 /* turn on a led */ #define ENE_FW1_WPATTERN 0x20 /* enable wake pattern */ #define ENE_FW1_WAKE 0x40 /* enable wake from S3 */ #define ENE_FW1_IRQ 0x80 /* enable interrupt */ /* second firmware flag register */ #define ENE_FW2 0xF8F9 /* flagw */ #define ENE_FW2_BUF_WPTR 0x01 /* which half of the buffer to read */ #define ENE_FW2_RXIRQ 0x04 /* RX IRQ pending*/ #define ENE_FW2_GP0A 0x08 /* Use GPIO0A for demodulated input */ #define ENE_FW2_EMMITER1_CONN 0x10 /* TX emmiter 1 connected */ #define ENE_FW2_EMMITER2_CONN 0x20 /* TX emmiter 2 connected */ #define ENE_FW2_FAN_INPUT 0x40 /* fan input used for demodulated data*/ #define ENE_FW2_LEARNING 0x80 /* hardware supports learning and TX */ /* firmware RX pointer for new style buffer */ #define ENE_FW_RX_POINTER 0xF8FA /* high parts of samples for fan input (8 samples)*/ #define ENE_FW_SMPL_BUF_FAN 0xF8FB #define ENE_FW_SMPL_BUF_FAN_PLS 0x8000 /* combined sample is pulse */ #define ENE_FW_SMPL_BUF_FAN_MSK 0x0FFF /* combined sample maximum value */ #define ENE_FW_SAMPLE_PERIOD_FAN 61 /* fan input has fixed sample period */ /* transmitter ports */ #define ENE_GPIOFS1 0xFC01 #define ENE_GPIOFS1_GPIO0D 0x20 /* enable tx output on GPIO0D */ #define ENE_GPIOFS8 0xFC08 #define ENE_GPIOFS8_GPIO41 0x02 /* enable tx output on GPIO40 */ /* IRQ registers block (for revision B) */ #define ENEB_IRQ 0xFD09 /* IRQ number */ #define ENEB_IRQ_UNK1 0xFD17 /* unknown setting = 1 */ #define ENEB_IRQ_STATUS 0xFD80 /* irq status */ #define ENEB_IRQ_STATUS_IR 0x20 /* IR irq */ /* fan as input settings */ #define ENE_FAN_AS_IN1 0xFE30 /* fan init reg 1 */ #define ENE_FAN_AS_IN1_EN 0xCD #define ENE_FAN_AS_IN2 0xFE31 /* fan init reg 2 */ #define ENE_FAN_AS_IN2_EN 0x03 /* IRQ registers block (for revision C,D) */ #define ENE_IRQ 0xFE9B /* new irq settings register */ #define ENE_IRQ_MASK 0x0F /* irq number mask */ #define ENE_IRQ_UNK_EN 0x10 /* always enabled */ #define ENE_IRQ_STATUS 0x20 /* irq status and ACK */ /* CIR Config register #1 */ #define ENE_CIRCFG 0xFEC0 #define ENE_CIRCFG_RX_EN 0x01 /* RX enable */ #define ENE_CIRCFG_RX_IRQ 0x02 /* Enable hardware interrupt */ #define ENE_CIRCFG_REV_POL 0x04 /* Input polarity reversed */ #define ENE_CIRCFG_CARR_DEMOD 0x08 /* Enable carrier demodulator */ #define ENE_CIRCFG_TX_EN 0x10 /* TX enable */ #define ENE_CIRCFG_TX_IRQ 0x20 /* Send interrupt on TX done */ #define ENE_CIRCFG_TX_POL_REV 0x40 /* TX polarity reversed */ #define ENE_CIRCFG_TX_CARR 0x80 /* send TX carrier or not */ /* CIR config register #2 */ #define ENE_CIRCFG2 0xFEC1 #define ENE_CIRCFG2_RLC 0x00 #define ENE_CIRCFG2_RC5 0x01 #define ENE_CIRCFG2_RC6 0x02 #define ENE_CIRCFG2_NEC 0x03 #define ENE_CIRCFG2_CARR_DETECT 0x10 /* Enable carrier detection */ #define ENE_CIRCFG2_GPIO0A 0x20 /* Use GPIO0A instead of GPIO40 for input */ #define ENE_CIRCFG2_FAST_SAMPL1 0x40 /* Fast leading pulse detection for RC6 */ #define ENE_CIRCFG2_FAST_SAMPL2 0x80 /* Fast data detection for RC6 */ /* Knobs for protocol decoding - will document when/if will use them */ #define ENE_CIRPF 0xFEC2 #define ENE_CIRHIGH 0xFEC3 #define ENE_CIRBIT 0xFEC4 #define ENE_CIRSTART 0xFEC5 #define ENE_CIRSTART2 0xFEC6 /* Actual register which contains RLC RX data - read by firmware */ #define ENE_CIRDAT_IN 0xFEC7 /* RLC configuration - sample period (1us resolution) + idle mode */ #define ENE_CIRRLC_CFG 0xFEC8 #define ENE_CIRRLC_CFG_OVERFLOW 0x80 /* interrupt on overflows if set */ #define ENE_DEFAULT_SAMPLE_PERIOD 50 /* Two byte RLC TX buffer */ #define ENE_CIRRLC_OUT0 0xFEC9 #define ENE_CIRRLC_OUT1 0xFECA #define ENE_CIRRLC_OUT_PULSE 0x80 /* Transmitted sample is pulse */ #define ENE_CIRRLC_OUT_MASK 0x7F /* Carrier detect setting * Low nibble - number of carrier pulses to average * High nibble - number of initial carrier pulses to discard */ #define ENE_CIRCAR_PULS 0xFECB /* detected RX carrier period (resolution: 500 ns) */ #define ENE_CIRCAR_PRD 0xFECC #define ENE_CIRCAR_PRD_VALID 0x80 /* data valid content valid */ /* detected RX carrier pulse width (resolution: 500 ns) */ #define ENE_CIRCAR_HPRD 0xFECD /* TX period (resolution: 500 ns, minimum 2)*/ #define ENE_CIRMOD_PRD 0xFECE #define ENE_CIRMOD_PRD_POL 0x80 /* TX carrier polarity*/ #define ENE_CIRMOD_PRD_MAX 0x7F /* 15.87 kHz */ #define ENE_CIRMOD_PRD_MIN 0x02 /* 1 Mhz */ /* TX pulse width (resolution: 500 ns)*/ #define ENE_CIRMOD_HPRD 0xFECF /* Hardware versions */ #define ENE_ECHV 0xFF00 /* hardware revision */ #define ENE_PLLFRH 0xFF16 #define ENE_PLLFRL 0xFF17 #define ENE_DEFAULT_PLL_FREQ 1000 #define ENE_ECSTS 0xFF1D #define ENE_ECSTS_RSRVD 0x04 #define ENE_ECVER_MAJOR 0xFF1E /* chip version */ #define ENE_ECVER_MINOR 0xFF1F #define ENE_HW_VER_OLD 0xFD00 /******************************************************************************/ #define ENE_DRIVER_NAME "ene_ir" #define ENE_IRQ_RX 1 #define ENE_IRQ_TX 2 #define ENE_HW_B 1 /* 3926B */ #define ENE_HW_C 2 /* 3926C */ #define ENE_HW_D 3 /* 3926D or later */ #define __dbg(level, format, ...) \ do { \ if (debug >= level) \ pr_info(format "\n", ## __VA_ARGS__); \ } while (0) #define dbg(format, ...) __dbg(1, format, ## __VA_ARGS__) #define dbg_verbose(format, ...) __dbg(2, format, ## __VA_ARGS__) #define dbg_regs(format, ...) __dbg(3, format, ## __VA_ARGS__) struct ene_device { struct pnp_dev *pnp_dev; struct rc_dev *rdev; /* hw IO settings */ long hw_io; int irq; spinlock_t hw_lock; /* HW features */ int hw_revision; /* hardware revision */ bool hw_use_gpio_0a; /* gpio0a is demodulated input*/ bool hw_extra_buffer; /* hardware has 'extra buffer' */ bool hw_fan_input; /* fan input is IR data source */ bool hw_learning_and_tx_capable; /* learning & tx capable */ int pll_freq; int buffer_len; /* Extra RX buffer location */ int extra_buf1_address; int extra_buf1_len; int extra_buf2_address; int extra_buf2_len; /* HW state*/ int r_pointer; /* pointer to next sample to read */ int w_pointer; /* pointer to next sample hw will write */ bool rx_fan_input_inuse; /* is fan input in use for rx*/ int tx_reg; /* current reg used for TX */ u8 saved_conf1; /* saved FEC0 reg */ unsigned int tx_sample; /* current sample for TX */ bool tx_sample_pulse; /* current sample is pulse */ /* TX buffer */ unsigned *tx_buffer; /* input samples buffer*/ int tx_pos; /* position in that buffer */ int tx_len; /* current len of tx buffer */ int tx_done; /* done transmitting */ /* one more sample pending*/ struct completion tx_complete; /* TX completion */ struct timer_list tx_sim_timer; /* TX settings */ int tx_period; int tx_duty_cycle; int transmitter_mask; /* RX settings */ bool learning_mode_enabled; /* learning input enabled */ bool carrier_detect_enabled; /* carrier detect enabled */ int rx_period_adjust; bool rx_enabled; }; static int ene_irq_status(struct ene_device *dev); static void ene_rx_read_hw_pointer(struct ene_device *dev);
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