diff options
Diffstat (limited to 'drivers/media/dvb/ttpci')
| -rw-r--r-- | drivers/media/dvb/ttpci/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/media/dvb/ttpci/budget-ci.c | 138 |
2 files changed, 78 insertions, 61 deletions
diff --git a/drivers/media/dvb/ttpci/Kconfig b/drivers/media/dvb/ttpci/Kconfig index 95531a62499..eec7ccf41f8 100644 --- a/drivers/media/dvb/ttpci/Kconfig +++ b/drivers/media/dvb/ttpci/Kconfig @@ -92,6 +92,7 @@ config DVB_BUDGET_CI select DVB_STV0299 if !DVB_FE_CUSTOMISE select DVB_TDA1004X if !DVB_FE_CUSTOMISE select DVB_LNBP21 if !DVB_FE_CUSTOMISE + select VIDEO_IR help Support for simple SAA7146 based DVB cards (so called Budget- or Nova-PCI cards) without onboard diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c index c34b5d3bdde..d1b5402cd6f 100644 --- a/drivers/media/dvb/ttpci/budget-ci.c +++ b/drivers/media/dvb/ttpci/budget-ci.c @@ -37,6 +37,7 @@ #include <linux/interrupt.h> #include <linux/input.h> #include <linux/spinlock.h> +#include <media/ir-common.h> #include "dvb_ca_en50221.h" #include "stv0299.h" @@ -72,11 +73,24 @@ #define SLOTSTATUS_READY 8 #define SLOTSTATUS_OCCUPIED (SLOTSTATUS_PRESENT|SLOTSTATUS_RESET|SLOTSTATUS_READY) +/* Milliseconds during which key presses are regarded as key repeat and during + * which the debounce logic is active + */ +#define IR_REPEAT_TIMEOUT 350 + +/* Some remotes sends multiple sequences per keypress (e.g. Zenith sends two), + * this setting allows the superflous sequences to be ignored + */ +static int debounce = 0; +module_param(debounce, int, 0644); +MODULE_PARM_DESC(debounce, "ignore repeated IR sequences (default: 0 = ignore no sequences)"); + struct budget_ci_ir { struct input_dev *dev; struct tasklet_struct msp430_irq_tasklet; char name[72]; /* 40 + 32 for (struct saa7146_dev).name */ char phys[32]; + struct ir_input_state state; }; struct budget_ci { @@ -89,59 +103,44 @@ struct budget_ci { u8 tuner_pll_address; /* used for philips_tdm1316l configs */ }; -/* from reading the following remotes: - Zenith Universal 7 / TV Mode 807 / VCR Mode 837 - Hauppauge (from NOVA-CI-s box product) - i've taken a "middle of the road" approach and note the differences -*/ -static u16 key_map[64] = { - /* 0x0X */ - KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, - KEY_9, - KEY_ENTER, - KEY_RED, - KEY_POWER, /* RADIO on Hauppauge */ - KEY_MUTE, - 0, - KEY_A, /* TV on Hauppauge */ - /* 0x1X */ - KEY_VOLUMEUP, KEY_VOLUMEDOWN, - 0, 0, - KEY_B, - 0, 0, 0, 0, 0, 0, 0, - KEY_UP, KEY_DOWN, - KEY_OPTION, /* RESERVED on Hauppauge */ - KEY_BREAK, - /* 0x2X */ - KEY_CHANNELUP, KEY_CHANNELDOWN, - KEY_PREVIOUS, /* Prev. Ch on Zenith, SOURCE on Hauppauge */ - 0, KEY_RESTART, KEY_OK, - KEY_CYCLEWINDOWS, /* MINIMIZE on Hauppauge */ - 0, - KEY_ENTER, /* VCR mode on Zenith */ - KEY_PAUSE, - 0, - KEY_RIGHT, KEY_LEFT, - 0, - KEY_MENU, /* FULL SCREEN on Hauppauge */ - 0, - /* 0x3X */ - KEY_SLOW, - KEY_PREVIOUS, /* VCR mode on Zenith */ - KEY_REWIND, - 0, - KEY_FASTFORWARD, - KEY_PLAY, KEY_STOP, - KEY_RECORD, - KEY_TUNER, /* TV/VCR on Zenith */ - 0, - KEY_C, - 0, - KEY_EXIT, - KEY_POWER2, - KEY_TUNER, /* VCR mode on Zenith */ - 0, -}; +static void msp430_ir_keyup(unsigned long data) +{ + struct budget_ci_ir *ir = (struct budget_ci_ir *) data; + ir_input_nokey(ir->dev, &ir->state); +} + +static void msp430_ir_interrupt(unsigned long data) +{ + struct budget_ci *budget_ci = (struct budget_ci *) data; + struct input_dev *dev = budget_ci->ir.dev; + static int bounces = 0; + u32 ir_key; + u32 command = ttpci_budget_debiread(&budget_ci->budget, DEBINOSWAP, DEBIADDR_IR, 2, 1, 0) >> 8; + + if (command & 0x40) { + ir_key = command & 0x3f; + + if (ir_key != dev->repeat_key && del_timer(&dev->timer)) + /* We were still waiting for a keyup event but this is a new key */ + ir_input_nokey(dev, &budget_ci->ir.state); + + if (ir_key == dev->repeat_key && bounces > 0 && timer_pending(&dev->timer)) { + /* Ignore repeated key sequences if requested */ + bounces--; + return; + } + + if (!timer_pending(&dev->timer)) + /* New keypress */ + bounces = debounce; + + /* Prepare a keyup event sometime in the future */ + mod_timer(&dev->timer, jiffies + msecs_to_jiffies(IR_REPEAT_TIMEOUT)); + + /* Generate a new or repeated keypress */ + ir_input_keydown(dev, &budget_ci->ir.state, ir_key, command); + } +} static void msp430_ir_debounce(unsigned long data) { @@ -197,7 +196,6 @@ static int msp430_ir_init(struct budget_ci *budget_ci) { struct saa7146_dev *saa = budget_ci->budget.dev; struct input_dev *input_dev = budget_ci->ir.dev; - int i; int error; budget_ci->ir.dev = input_dev = input_allocate_device(); @@ -230,10 +228,30 @@ static int msp430_ir_init(struct budget_ci *budget_ci) input_dev->dev = &saa->pci->dev; # endif - set_bit(EV_KEY, input_dev->evbit); - for (i = 0; i < ARRAY_SIZE(key_map); i++) - if (key_map[i]) - set_bit(key_map[i], input_dev->keybit); + /* Select keymap */ + switch (budget_ci->budget.dev->pci->subsystem_device) { + case 0x100c: + case 0x100f: + case 0x1010: + case 0x1011: + case 0x1012: + case 0x1017: + /* The hauppauge keymap is a superset of these remotes */ + ir_input_init(input_dev, &budget_ci->ir.state, + IR_TYPE_RC5, ir_codes_hauppauge_new); + break; + default: + /* unknown remote */ + ir_input_init(input_dev, &budget_ci->ir.state, + IR_TYPE_RC5, ir_codes_budget_ci_old); + break; + } + + /* initialise the key-up timeout handler */ + input_dev->timer.function = msp430_ir_keyup; + input_dev->timer.data = (unsigned long) &budget_ci->ir; + input_dev->rep[REP_DELAY] = 1; + input_dev->rep[REP_PERIOD] = 1; error = input_register_device(input_dev); if (error) { @@ -241,8 +259,6 @@ static int msp430_ir_init(struct budget_ci *budget_ci) goto out2; } - input_dev->timer.function = msp430_ir_debounce; - tasklet_init(&budget_ci->ir.msp430_irq_tasklet, msp430_ir_interrupt, (unsigned long) budget_ci); @@ -267,7 +283,7 @@ static void msp430_ir_deinit(struct budget_ci *budget_ci) tasklet_kill(&budget_ci->ir.msp430_irq_tasklet); if (del_timer(&dev->timer)) { - input_event(dev, EV_KEY, key_map[dev->repeat_key], 0); + ir_input_nokey(dev, &budget_ci->ir.state); input_sync(dev); } |