X-Git-Url: http://git.onelab.eu/?p=linux-2.6.git;a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fbttv-input.c;fp=drivers%2Fmedia%2Fvideo%2Fbttv-input.c;h=221b36e7f3922d0cac81da1ae06490a2a0d50cb3;hp=0000000000000000000000000000000000000000;hb=be1e6109ac94a859551f8e1774eb9a8469fe055c;hpb=bd5a19dd4af64aaf2a1cc38033a2bd21a093a497 diff --git a/drivers/media/video/bttv-input.c b/drivers/media/video/bttv-input.c new file mode 100644 index 000000000..221b36e7f --- /dev/null +++ b/drivers/media/video/bttv-input.c @@ -0,0 +1,694 @@ +/* + * + * Copyright (c) 2003 Gerd Knorr + * Copyright (c) 2003 Pavel Machek + * + * 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 + */ + +#include +#include +#include +#include +#include +#include + +#include "bttv.h" +#include "bttvp.h" + +/* ---------------------------------------------------------------------- */ + +static IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE] = { + [ 34 ] = KEY_KP0, + [ 40 ] = KEY_KP1, + [ 24 ] = KEY_KP2, + [ 56 ] = KEY_KP3, + [ 36 ] = KEY_KP4, + [ 20 ] = KEY_KP5, + [ 52 ] = KEY_KP6, + [ 44 ] = KEY_KP7, + [ 28 ] = KEY_KP8, + [ 60 ] = KEY_KP9, + + [ 48 ] = KEY_EJECTCD, // Unmarked on my controller + [ 0 ] = KEY_POWER, + [ 18 ] = BTN_LEFT, // DISPLAY/L + [ 50 ] = BTN_RIGHT, // LOOP/R + [ 10 ] = KEY_MUTE, + [ 38 ] = KEY_RECORD, + [ 22 ] = KEY_PAUSE, + [ 54 ] = KEY_STOP, + [ 30 ] = KEY_VOLUMEDOWN, + [ 62 ] = KEY_VOLUMEUP, + + [ 32 ] = KEY_TUNER, // TV/FM + [ 16 ] = KEY_CD, + [ 8 ] = KEY_VIDEO, + [ 4 ] = KEY_AUDIO, + [ 12 ] = KEY_ZOOM, // full screen + [ 2 ] = KEY_INFO, // preview + [ 42 ] = KEY_SEARCH, // autoscan + [ 26 ] = KEY_STOP, // freeze + [ 58 ] = KEY_RECORD, // capture + [ 6 ] = KEY_PLAY, // unmarked + [ 46 ] = KEY_RED, // unmarked + [ 14 ] = KEY_GREEN, // unmarked + + [ 33 ] = KEY_YELLOW, // unmarked + [ 17 ] = KEY_CHANNELDOWN, + [ 49 ] = KEY_CHANNELUP, + [ 1 ] = KEY_BLUE, // unmarked +}; + +/* Matt Jesson >' + [ 0x3a ] = KEY_RECORD, // 'capture' + [ 0x0a ] = KEY_MUTE, // 'mute' + [ 0x2c ] = KEY_RECORD, // 'record' + [ 0x1c ] = KEY_PAUSE, // 'pause' + [ 0x3c ] = KEY_STOP, // 'stop' + [ 0x0c ] = KEY_PLAY, // 'play' + [ 0x2e ] = KEY_RED, // 'red' + [ 0x01 ] = KEY_BLUE, // 'blue' / 'cancel' + [ 0x0e ] = KEY_YELLOW, // 'yellow' / 'ok' + [ 0x21 ] = KEY_GREEN, // 'green' + [ 0x11 ] = KEY_CHANNELDOWN, // 'channel -' + [ 0x31 ] = KEY_CHANNELUP, // 'channel +' + [ 0x1e ] = KEY_VOLUMEDOWN, // 'volume -' + [ 0x3e ] = KEY_VOLUMEUP, // 'volume +' +}; + +/* Attila Kondoros */ +static IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE] = { + + [ 1 ] = KEY_KP1, + [ 2 ] = KEY_KP2, + [ 3 ] = KEY_KP3, + [ 4 ] = KEY_KP4, + [ 5 ] = KEY_KP5, + [ 6 ] = KEY_KP6, + [ 7 ] = KEY_KP7, + [ 8 ] = KEY_KP8, + [ 9 ] = KEY_KP9, + [ 0 ] = KEY_KP0, + [ 23 ] = KEY_LAST, // +100 + [ 10 ] = KEY_LIST, // recall + + + [ 28 ] = KEY_TUNER, // TV/FM + [ 21 ] = KEY_SEARCH, // scan + [ 18 ] = KEY_POWER, // power + [ 31 ] = KEY_VOLUMEDOWN, // vol up + [ 27 ] = KEY_VOLUMEUP, // vol down + [ 30 ] = KEY_CHANNELDOWN, // chn up + [ 26 ] = KEY_CHANNELUP, // chn down + + [ 17 ] = KEY_VIDEO, // video + [ 15 ] = KEY_ZOOM, // full screen + [ 19 ] = KEY_MUTE, // mute/unmute + [ 16 ] = KEY_TEXT, // min + + [ 13 ] = KEY_STOP, // freeze + [ 14 ] = KEY_RECORD, // record + [ 29 ] = KEY_PLAYPAUSE, // stop + [ 25 ] = KEY_PLAY, // play + + [ 22 ] = KEY_GOTO, // osd + [ 20 ] = KEY_REFRESH, // default + [ 12 ] = KEY_KPPLUS, // fine tune >>>> + [ 24 ] = KEY_KPMINUS // fine tune <<<< +}; + +/* ---------------------------------------------------------------------- */ + +static IR_KEYTAB_TYPE ir_codes_conceptronic[IR_KEYTAB_SIZE] = { + + [ 30 ] = KEY_POWER, // power + [ 7 ] = KEY_MEDIA, // source + [ 28 ] = KEY_SEARCH, // scan + +/* FIXME: duplicate keycodes? + * + * These four keys seem to share the same GPIO as CH+, CH-, <<< and >>> + * The GPIO values are + * 6397fb for both "Scan <" and "CH -", + * 639ffb for "Scan >" and "CH+", + * 6384fb for "Tune <" and "<<<", + * 638cfb for "Tune >" and ">>>", regardless of the mask. + * + * [ 23 ] = KEY_BACK, // fm scan << + * [ 31 ] = KEY_FORWARD, // fm scan >> + * + * [ 4 ] = KEY_LEFT, // fm tuning < + * [ 12 ] = KEY_RIGHT, // fm tuning > + * + * For now, these four keys are disabled. Pressing them will generate + * the CH+/CH-/<<>> events + */ + + [ 3 ] = KEY_TUNER, // TV/FM + + [ 0 ] = KEY_RECORD, + [ 8 ] = KEY_STOP, + [ 17 ] = KEY_PLAY, + + [ 26 ] = KEY_PLAYPAUSE, // freeze + [ 25 ] = KEY_ZOOM, // zoom + [ 15 ] = KEY_TEXT, // min + + [ 1 ] = KEY_KP1, + [ 11 ] = KEY_KP2, + [ 27 ] = KEY_KP3, + [ 5 ] = KEY_KP4, + [ 9 ] = KEY_KP5, + [ 21 ] = KEY_KP6, + [ 6 ] = KEY_KP7, + [ 10 ] = KEY_KP8, + [ 18 ] = KEY_KP9, + [ 2 ] = KEY_KP0, + [ 16 ] = KEY_LAST, // +100 + [ 19 ] = KEY_LIST, // recall + + [ 31 ] = KEY_CHANNELUP, // chn down + [ 23 ] = KEY_CHANNELDOWN, // chn up + [ 22 ] = KEY_VOLUMEUP, // vol down + [ 20 ] = KEY_VOLUMEDOWN, // vol up + + [ 4 ] = KEY_KPMINUS, // <<< + [ 14 ] = KEY_SETUP, // function + [ 12 ] = KEY_KPPLUS, // >>> + + [ 13 ] = KEY_GOTO, // mts + [ 29 ] = KEY_REFRESH, // reset + [ 24 ] = KEY_MUTE // mute/unmute +}; + +static IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE] = { + [0x00] = KEY_KP0, + [0x01] = KEY_KP1, + [0x02] = KEY_KP2, + [0x03] = KEY_KP3, + [0x04] = KEY_KP4, + [0x05] = KEY_KP5, + [0x06] = KEY_KP6, + [0x07] = KEY_KP7, + [0x08] = KEY_KP8, + [0x09] = KEY_KP9, + [0x0a] = KEY_TV, + [0x0b] = KEY_AUX, + [0x0c] = KEY_DVD, + [0x0d] = KEY_POWER, + [0x0e] = KEY_MHP, /* labelled 'Picture' */ + [0x0f] = KEY_AUDIO, + [0x10] = KEY_INFO, + [0x11] = KEY_F13, /* 16:9 */ + [0x12] = KEY_F14, /* 14:9 */ + [0x13] = KEY_EPG, + [0x14] = KEY_EXIT, + [0x15] = KEY_MENU, + [0x16] = KEY_UP, + [0x17] = KEY_DOWN, + [0x18] = KEY_LEFT, + [0x19] = KEY_RIGHT, + [0x1a] = KEY_ENTER, + [0x1b] = KEY_CHANNELUP, + [0x1c] = KEY_CHANNELDOWN, + [0x1d] = KEY_VOLUMEUP, + [0x1e] = KEY_VOLUMEDOWN, + [0x1f] = KEY_RED, + [0x20] = KEY_GREEN, + [0x21] = KEY_YELLOW, + [0x22] = KEY_BLUE, + [0x23] = KEY_SUBTITLE, + [0x24] = KEY_F15, /* AD */ + [0x25] = KEY_TEXT, + [0x26] = KEY_MUTE, + [0x27] = KEY_REWIND, + [0x28] = KEY_STOP, + [0x29] = KEY_PLAY, + [0x2a] = KEY_FASTFORWARD, + [0x2b] = KEY_F16, /* chapter */ + [0x2c] = KEY_PAUSE, + [0x2d] = KEY_PLAY, + [0x2e] = KEY_RECORD, + [0x2f] = KEY_F17, /* picture in picture */ + [0x30] = KEY_KPPLUS, /* zoom in */ + [0x31] = KEY_KPMINUS, /* zoom out */ + [0x32] = KEY_F18, /* capture */ + [0x33] = KEY_F19, /* web */ + [0x34] = KEY_EMAIL, + [0x35] = KEY_PHONE, + [0x36] = KEY_PC +}; + +static int debug; +module_param(debug, int, 0644); /* debug level (0,1,2) */ +static int repeat_delay = 500; +module_param(repeat_delay, int, 0644); +static int repeat_period = 33; +module_param(repeat_period, int, 0644); + +#define DEVNAME "bttv-input" + +/* ---------------------------------------------------------------------- */ + +static void ir_handle_key(struct bttv *btv) +{ + struct bttv_ir *ir = btv->remote; + u32 gpio,data; + + /* read gpio value */ + gpio = bttv_gpio_read(&btv->c); + if (ir->polling) { + if (ir->last_gpio == gpio) + return; + ir->last_gpio = gpio; + } + + /* extract data */ + data = ir_extract_bits(gpio, ir->mask_keycode); + dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n", + gpio, data, + ir->polling ? "poll" : "irq", + (gpio & ir->mask_keydown) ? " down" : "", + (gpio & ir->mask_keyup) ? " up" : ""); + + if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) || + (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) { + ir_input_keydown(ir->dev,&ir->ir,data,data); + } else { + ir_input_nokey(ir->dev,&ir->ir); + } + +} + +void bttv_input_irq(struct bttv *btv) +{ + struct bttv_ir *ir = btv->remote; + + if (!ir->polling) + ir_handle_key(btv); +} + +static void bttv_input_timer(unsigned long data) +{ + struct bttv *btv = (struct bttv*)data; + struct bttv_ir *ir = btv->remote; + unsigned long timeout; + + ir_handle_key(btv); + timeout = jiffies + (ir->polling * HZ / 1000); + mod_timer(&ir->timer, timeout); +} + +/* ---------------------------------------------------------------*/ + +static int rc5_remote_gap = 885; +module_param(rc5_remote_gap, int, 0644); +static int rc5_key_timeout = 200; +module_param(rc5_key_timeout, int, 0644); + +#define RC5_START(x) (((x)>>12)&3) +#define RC5_TOGGLE(x) (((x)>>11)&1) +#define RC5_ADDR(x) (((x)>>6)&31) +#define RC5_INSTR(x) ((x)&63) + +/* decode raw bit pattern to RC5 code */ +static u32 rc5_decode(unsigned int code) +{ + unsigned int org_code = code; + unsigned int pair; + unsigned int rc5 = 0; + int i; + + code = (code << 1) | 1; + for (i = 0; i < 14; ++i) { + pair = code & 0x3; + code >>= 2; + + rc5 <<= 1; + switch (pair) { + case 0: + case 2: + break; + case 1: + rc5 |= 1; + break; + case 3: + dprintk(KERN_WARNING "bad code: %x\n", org_code); + return 0; + } + } + dprintk(KERN_WARNING "code=%x, rc5=%x, start=%x, toggle=%x, address=%x, " + "instr=%x\n", rc5, org_code, RC5_START(rc5), + RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5)); + return rc5; +} + +static int bttv_rc5_irq(struct bttv *btv) +{ + struct bttv_ir *ir = btv->remote; + struct timeval tv; + u32 gpio; + u32 gap; + unsigned long current_jiffies, timeout; + + /* read gpio port */ + gpio = bttv_gpio_read(&btv->c); + + /* remote IRQ? */ + if (!(gpio & 0x20)) + return 0; + + /* get time of bit */ + current_jiffies = jiffies; + do_gettimeofday(&tv); + + /* avoid overflow with gap >1s */ + if (tv.tv_sec - ir->base_time.tv_sec > 1) { + gap = 200000; + } else { + gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + + tv.tv_usec - ir->base_time.tv_usec; + } + + /* active code => add bit */ + if (ir->active) { + /* only if in the code (otherwise spurious IRQ or timer + late) */ + if (ir->last_bit < 28) { + ir->last_bit = (gap - rc5_remote_gap / 2) / + rc5_remote_gap; + ir->code |= 1 << ir->last_bit; + } + /* starting new code */ + } else { + ir->active = 1; + ir->code = 0; + ir->base_time = tv; + ir->last_bit = 0; + + timeout = current_jiffies + (500 + 30 * HZ) / 1000; + mod_timer(&ir->timer_end, timeout); + } + + /* toggle GPIO pin 4 to reset the irq */ + bttv_gpio_write(&btv->c, gpio & ~(1 << 4)); + bttv_gpio_write(&btv->c, gpio | (1 << 4)); + return 1; +} + + +static void bttv_rc5_timer_end(unsigned long data) +{ + struct bttv_ir *ir = (struct bttv_ir *)data; + struct timeval tv; + unsigned long current_jiffies, timeout; + u32 gap; + + /* get time */ + current_jiffies = jiffies; + do_gettimeofday(&tv); + + /* avoid overflow with gap >1s */ + if (tv.tv_sec - ir->base_time.tv_sec > 1) { + gap = 200000; + } else { + gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + + tv.tv_usec - ir->base_time.tv_usec; + } + + /* Allow some timmer jitter (RC5 is ~24ms anyway so this is ok) */ + if (gap < 28000) { + dprintk(KERN_WARNING "spurious timer_end\n"); + return; + } + + ir->active = 0; + if (ir->last_bit < 20) { + /* ignore spurious codes (caused by light/other remotes) */ + dprintk(KERN_WARNING "short code: %x\n", ir->code); + } else { + u32 rc5 = rc5_decode(ir->code); + + /* two start bits? */ + if (RC5_START(rc5) != 3) { + dprintk(KERN_WARNING "rc5 start bits invalid: %u\n", RC5_START(rc5)); + + /* right address? */ + } else if (RC5_ADDR(rc5) == 0x0) { + u32 toggle = RC5_TOGGLE(rc5); + u32 instr = RC5_INSTR(rc5); + + /* Good code, decide if repeat/repress */ + if (toggle != RC5_TOGGLE(ir->last_rc5) || + instr != RC5_INSTR(ir->last_rc5)) { + dprintk(KERN_WARNING "instruction %x, toggle %x\n", instr, + toggle); + ir_input_nokey(ir->dev, &ir->ir); + ir_input_keydown(ir->dev, &ir->ir, instr, + instr); + } + + /* Set/reset key-up timer */ + timeout = current_jiffies + (500 + rc5_key_timeout + * HZ) / 1000; + mod_timer(&ir->timer_keyup, timeout); + + /* Save code for repeat test */ + ir->last_rc5 = rc5; + } + } +} + +static void bttv_rc5_timer_keyup(unsigned long data) +{ + struct bttv_ir *ir = (struct bttv_ir *)data; + + dprintk(KERN_DEBUG "key released\n"); + ir_input_nokey(ir->dev, &ir->ir); +} + +/* ---------------------------------------------------------------------- */ + +int bttv_input_init(struct bttv *btv) +{ + struct bttv_ir *ir; + IR_KEYTAB_TYPE *ir_codes = NULL; + struct input_dev *input_dev; + int ir_type = IR_TYPE_OTHER; + + if (!btv->has_remote) + return -ENODEV; + + ir = kzalloc(sizeof(*ir),GFP_KERNEL); + input_dev = input_allocate_device(); + if (!ir || !input_dev) { + kfree(ir); + input_free_device(input_dev); + return -ENOMEM; + } + memset(ir,0,sizeof(*ir)); + + /* detect & configure */ + switch (btv->c.type) { + case BTTV_BOARD_AVERMEDIA: + case BTTV_BOARD_AVPHONE98: + case BTTV_BOARD_AVERMEDIA98: + ir_codes = ir_codes_avermedia; + ir->mask_keycode = 0xf88000; + ir->mask_keydown = 0x010000; + ir->polling = 50; // ms + break; + + case BTTV_BOARD_AVDVBT_761: + case BTTV_BOARD_AVDVBT_771: + ir_codes = ir_codes_avermedia_dvbt; + ir->mask_keycode = 0x0f00c0; + ir->mask_keydown = 0x000020; + ir->polling = 50; // ms + break; + + case BTTV_BOARD_PXELVWPLTVPAK: + ir_codes = ir_codes_pixelview; + ir->mask_keycode = 0x003e00; + ir->mask_keyup = 0x010000; + ir->polling = 50; // ms + break; + case BTTV_BOARD_PV_BT878P_9B: + case BTTV_BOARD_PV_BT878P_PLUS: + ir_codes = ir_codes_pixelview; + ir->mask_keycode = 0x001f00; + ir->mask_keyup = 0x008000; + ir->polling = 50; // ms + break; + + case BTTV_BOARD_WINFAST2000: + ir_codes = ir_codes_winfast; + ir->mask_keycode = 0x1f8; + break; + case BTTV_BOARD_MAGICTVIEW061: + case BTTV_BOARD_MAGICTVIEW063: + ir_codes = ir_codes_winfast; + ir->mask_keycode = 0x0008e000; + ir->mask_keydown = 0x00200000; + break; + case BTTV_BOARD_APAC_VIEWCOMP: + ir_codes = ir_codes_apac_viewcomp; + ir->mask_keycode = 0x001f00; + ir->mask_keyup = 0x008000; + ir->polling = 50; // ms + break; + case BTTV_BOARD_CONCEPTRONIC_CTVFMI2: + ir_codes = ir_codes_conceptronic; + ir->mask_keycode = 0x001F00; + ir->mask_keyup = 0x006000; + ir->polling = 50; // ms + break; + case BTTV_BOARD_NEBULA_DIGITV: + ir_codes = ir_codes_nebula; + btv->custom_irq = bttv_rc5_irq; + ir->rc5_gpio = 1; + break; + case BTTV_BOARD_MACHTV_MAGICTV: + ir_codes = ir_codes_apac_viewcomp; + ir->mask_keycode = 0x001F00; + ir->mask_keyup = 0x004000; + ir->polling = 50; /* ms */ + break; + } + if (NULL == ir_codes) { + dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n",btv->c.type); + kfree(ir); + input_free_device(input_dev); + return -ENODEV; + } + + if (ir->rc5_gpio) { + u32 gpio; + /* enable remote irq */ + bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4); + gpio = bttv_gpio_read(&btv->c); + bttv_gpio_write(&btv->c, gpio & ~(1 << 4)); + bttv_gpio_write(&btv->c, gpio | (1 << 4)); + } else { + /* init hardware-specific stuff */ + bttv_gpio_inout(&btv->c, ir->mask_keycode | ir->mask_keydown, 0); + } + + /* init input device */ + ir->dev = input_dev; + + snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)", + btv->c.type); + snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", + pci_name(btv->c.pci)); + + ir_input_init(input_dev, &ir->ir, ir_type, ir_codes); + input_dev->name = ir->name; + input_dev->phys = ir->phys; + input_dev->id.bustype = BUS_PCI; + input_dev->id.version = 1; + if (btv->c.pci->subsystem_vendor) { + input_dev->id.vendor = btv->c.pci->subsystem_vendor; + input_dev->id.product = btv->c.pci->subsystem_device; + } else { + input_dev->id.vendor = btv->c.pci->vendor; + input_dev->id.product = btv->c.pci->device; + } + input_dev->cdev.dev = &btv->c.pci->dev; + + btv->remote = ir; + if (ir->polling) { + init_timer(&ir->timer); + ir->timer.function = bttv_input_timer; + ir->timer.data = (unsigned long)btv; + ir->timer.expires = jiffies + HZ; + add_timer(&ir->timer); + } else if (ir->rc5_gpio) { + /* set timer_end for code completion */ + init_timer(&ir->timer_end); + ir->timer_end.function = bttv_rc5_timer_end; + ir->timer_end.data = (unsigned long)ir; + + init_timer(&ir->timer_keyup); + ir->timer_keyup.function = bttv_rc5_timer_keyup; + ir->timer_keyup.data = (unsigned long)ir; + } + + /* all done */ + input_register_device(btv->remote->dev); + printk(DEVNAME ": %s detected at %s\n",ir->name,ir->phys); + + /* the remote isn't as bouncy as a keyboard */ + ir->dev->rep[REP_DELAY] = repeat_delay; + ir->dev->rep[REP_PERIOD] = repeat_period; + + return 0; +} + +void bttv_input_fini(struct bttv *btv) +{ + if (btv->remote == NULL) + return; + + if (btv->remote->polling) { + del_timer_sync(&btv->remote->timer); + flush_scheduled_work(); + } + + + if (btv->remote->rc5_gpio) { + u32 gpio; + + del_timer_sync(&btv->remote->timer_end); + flush_scheduled_work(); + + gpio = bttv_gpio_read(&btv->c); + bttv_gpio_write(&btv->c, gpio & ~(1 << 4)); + } + + input_unregister_device(btv->remote->dev); + kfree(btv->remote); + btv->remote = NULL; +} + + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */