diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-input.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-input.c | 895 |
1 files changed, 0 insertions, 895 deletions
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c deleted file mode 100644 index 8a106d36e72..00000000000 --- a/drivers/media/video/saa7134/saa7134-input.c +++ /dev/null @@ -1,895 +0,0 @@ -/* - * - * handle saa7134 IR remotes via linux kernel input layer. - * - * 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 <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/input.h> - -#include "saa7134-reg.h" -#include "saa7134.h" - -static unsigned int disable_ir; -module_param(disable_ir, int, 0444); -MODULE_PARM_DESC(disable_ir,"disable infrared remote support"); - -static unsigned int ir_debug; -module_param(ir_debug, int, 0644); -MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); - -static int pinnacle_remote; -module_param(pinnacle_remote, int, 0644); /* Choose Pinnacle PCTV remote */ -MODULE_PARM_DESC(pinnacle_remote, "Specify Pinnacle PCTV remote: 0=coloured, 1=grey (defaults to 0)"); - -static int ir_rc5_remote_gap = 885; -module_param(ir_rc5_remote_gap, int, 0644); -static int ir_rc5_key_timeout = 115; -module_param(ir_rc5_key_timeout, int, 0644); - -static int repeat_delay = 500; -module_param(repeat_delay, int, 0644); -MODULE_PARM_DESC(repeat_delay, "delay before key repeat started"); -static int repeat_period = 33; -module_param(repeat_period, int, 0644); -MODULE_PARM_DESC(repeat_period, "repeat period between " - "keypresses when key is down"); - -static unsigned int disable_other_ir; -module_param(disable_other_ir, int, 0644); -MODULE_PARM_DESC(disable_other_ir, "disable full codes of " - "alternative remotes from other manufacturers"); - -#define dprintk(fmt, arg...) if (ir_debug) \ - printk(KERN_DEBUG "%s/ir: " fmt, dev->name , ## arg) -#define i2cdprintk(fmt, arg...) if (ir_debug) \ - printk(KERN_DEBUG "%s/ir: " fmt, ir->c.name , ## arg) - -/* Helper functions for RC5 and NEC decoding at GPIO16 or GPIO18 */ -static int saa7134_rc5_irq(struct saa7134_dev *dev); -static int saa7134_nec_irq(struct saa7134_dev *dev); -static void nec_task(unsigned long data); -static void saa7134_nec_timer(unsigned long data); - -/* -------------------- GPIO generic keycode builder -------------------- */ - -static int build_key(struct saa7134_dev *dev) -{ - struct card_ir *ir = dev->remote; - u32 gpio, data; - - /* here comes the additional handshake steps for some cards */ - switch (dev->board) { - case SAA7134_BOARD_GOTVIEW_7135: - saa_setb(SAA7134_GPIO_GPSTATUS1, 0x80); - saa_clearb(SAA7134_GPIO_GPSTATUS1, 0x80); - break; - } - /* rising SAA7134_GPIO_GPRESCAN reads the status */ - saa_clearb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN); - - gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); - if (ir->polling) { - if (ir->last_gpio == gpio) - return 0; - ir->last_gpio = gpio; - } - - data = ir_extract_bits(gpio, ir->mask_keycode); - dprintk("build_key gpio=0x%x mask=0x%x data=%d\n", - gpio, ir->mask_keycode, data); - - switch (dev->board) { - case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: - if (data == ir->mask_keycode) - ir_input_nokey(ir->dev, &ir->ir); - else - ir_input_keydown(ir->dev, &ir->ir, data, data); - return 0; - } - - if (ir->polling) { - 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); - } - } - else { /* IRQ driven mode - handle key press and release in one go */ - 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); - ir_input_nokey(ir->dev, &ir->ir); - } - } - - return 0; -} - -/* --------------------- Chip specific I2C key builders ----------------- */ - -static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, u32 *ir_key, - u32 *ir_raw) -{ - unsigned char b; - int gpio; - - /* <dev> is needed to access GPIO. Used by the saa_readl macro. */ - struct saa7134_dev *dev = ir->c.adapter->algo_data; - if (dev == NULL) { - dprintk("get_key_msi_tvanywhere_plus: " - "gir->c.adapter->algo_data is NULL!\n"); - return -EIO; - } - - /* rising SAA7134_GPIO_GPRESCAN reads the status */ - - saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - - gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); - - /* GPIO&0x40 is pulsed low when a button is pressed. Don't do - I2C receive if gpio&0x40 is not low. */ - - if (gpio & 0x40) - return 0; /* No button press */ - - /* GPIO says there is a button press. Get it. */ - - if (1 != i2c_master_recv(&ir->c, &b, 1)) { - i2cdprintk("read error\n"); - return -EIO; - } - - /* No button press */ - - if (b == 0xff) - return 0; - - /* Button pressed */ - - dprintk("get_key_msi_tvanywhere_plus: Key = 0x%02X\n", b); - *ir_key = b; - *ir_raw = b; - return 1; -} - -static int get_key_purpletv(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) -{ - unsigned char b; - - /* poll IR chip */ - if (1 != i2c_master_recv(&ir->c,&b,1)) { - i2cdprintk("read error\n"); - return -EIO; - } - - /* no button press */ - if (b==0) - return 0; - - /* repeating */ - if (b & 0x80) - return 1; - - *ir_key = b; - *ir_raw = b; - return 1; -} - -static int get_key_hvr1110(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) -{ - unsigned char buf[5], cod4, code3, code4; - - /* poll IR chip */ - if (5 != i2c_master_recv(&ir->c,buf,5)) - return -EIO; - - cod4 = buf[4]; - code4 = (cod4 >> 2); - code3 = buf[3]; - if (code3 == 0) - /* no key pressed */ - return 0; - - /* return key */ - *ir_key = code4; - *ir_raw = code4; - return 1; -} - - -static int get_key_beholdm6xx(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) -{ - unsigned char data[12]; - u32 gpio; - - struct saa7134_dev *dev = ir->c.adapter->algo_data; - - /* rising SAA7134_GPIO_GPRESCAN reads the status */ - saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - - gpio = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2); - - if (0x400000 & ~gpio) - return 0; /* No button press */ - - ir->c.addr = 0x5a >> 1; - - if (12 != i2c_master_recv(&ir->c, data, 12)) { - i2cdprintk("read error\n"); - return -EIO; - } - /* IR of this card normally decode signals NEC-standard from - * - Sven IHOO MT 5.1R remote. xxyye718 - * - Sven DVD HD-10xx remote. xxyyf708 - * - BBK ... - * - mayby others - * So, skip not our, if disable full codes mode. - */ - if (data[10] != 0x6b && data[11] != 0x86 && disable_other_ir) - return 0; - - *ir_key = data[9]; - *ir_raw = data[9]; - - return 1; -} - -/* Common (grey or coloured) pinnacle PCTV remote handling - * - */ -static int get_key_pinnacle(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, - int parity_offset, int marker, int code_modulo) -{ - unsigned char b[4]; - unsigned int start = 0,parity = 0,code = 0; - - /* poll IR chip */ - if (4 != i2c_master_recv(&ir->c, b, 4)) { - i2cdprintk("read error\n"); - return -EIO; - } - - for (start = 0; start < ARRAY_SIZE(b); start++) { - if (b[start] == marker) { - code=b[(start+parity_offset + 1) % 4]; - parity=b[(start+parity_offset) % 4]; - } - } - - /* Empty Request */ - if (parity == 0) - return 0; - - /* Repeating... */ - if (ir->old == parity) - return 0; - - ir->old = parity; - - /* drop special codes when a key is held down a long time for the grey controller - In this case, the second bit of the code is asserted */ - if (marker == 0xfe && (code & 0x40)) - return 0; - - code %= code_modulo; - - *ir_raw = code; - *ir_key = code; - - i2cdprintk("Pinnacle PCTV key %02x\n", code); - - return 1; -} - -/* The grey pinnacle PCTV remote - * - * There are one issue with this remote: - * - I2c packet does not change when the same key is pressed quickly. The workaround - * is to hold down each key for about half a second, so that another code is generated - * in the i2c packet, and the function can distinguish key presses. - * - * Sylvain Pasche <sylvain.pasche@gmail.com> - */ -static int get_key_pinnacle_grey(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) -{ - - return get_key_pinnacle(ir, ir_key, ir_raw, 1, 0xfe, 0xff); -} - - -/* The new pinnacle PCTV remote (with the colored buttons) - * - * Ricardo Cerqueira <v4l@cerqueira.org> - */ -static int get_key_pinnacle_color(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) -{ - /* code_modulo parameter (0x88) is used to reduce code value to fit inside IR_KEYTAB_SIZE - * - * this is the only value that results in 42 unique - * codes < 128 - */ - - return get_key_pinnacle(ir, ir_key, ir_raw, 2, 0x80, 0x88); -} - -void saa7134_input_irq(struct saa7134_dev *dev) -{ - struct card_ir *ir = dev->remote; - - if (ir->nec_gpio) { - saa7134_nec_irq(dev); - } else if (!ir->polling && !ir->rc5_gpio) { - build_key(dev); - } else if (ir->rc5_gpio) { - saa7134_rc5_irq(dev); - } -} - -static void saa7134_input_timer(unsigned long data) -{ - struct saa7134_dev *dev = (struct saa7134_dev *)data; - struct card_ir *ir = dev->remote; - - build_key(dev); - mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling)); -} - -void saa7134_ir_start(struct saa7134_dev *dev, struct card_ir *ir) -{ - if (ir->polling) { - setup_timer(&ir->timer, saa7134_input_timer, - (unsigned long)dev); - 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 = ir_rc5_timer_end; - ir->timer_end.data = (unsigned long)ir; - init_timer(&ir->timer_keyup); - ir->timer_keyup.function = ir_rc5_timer_keyup; - ir->timer_keyup.data = (unsigned long)ir; - ir->shift_by = 2; - ir->start = 0x2; - ir->addr = 0x17; - ir->rc5_key_timeout = ir_rc5_key_timeout; - ir->rc5_remote_gap = ir_rc5_remote_gap; - } else if (ir->nec_gpio) { - setup_timer(&ir->timer_keyup, saa7134_nec_timer, - (unsigned long)dev); - tasklet_init(&ir->tlet, nec_task, (unsigned long)dev); - } -} - -void saa7134_ir_stop(struct saa7134_dev *dev) -{ - if (dev->remote->polling) - del_timer_sync(&dev->remote->timer); -} - -int saa7134_input_init1(struct saa7134_dev *dev) -{ - struct card_ir *ir; - struct input_dev *input_dev; - IR_KEYTAB_TYPE *ir_codes = NULL; - u32 mask_keycode = 0; - u32 mask_keydown = 0; - u32 mask_keyup = 0; - int polling = 0; - int rc5_gpio = 0; - int nec_gpio = 0; - int ir_type = IR_TYPE_OTHER; - int err; - - if (dev->has_remote != SAA7134_REMOTE_GPIO) - return -ENODEV; - if (disable_ir) - return -ENODEV; - - /* detect & configure */ - switch (dev->board) { - case SAA7134_BOARD_FLYVIDEO2000: - case SAA7134_BOARD_FLYVIDEO3000: - case SAA7134_BOARD_FLYTVPLATINUM_FM: - case SAA7134_BOARD_FLYTVPLATINUM_MINI2: - ir_codes = ir_codes_flyvideo; - mask_keycode = 0xEC00000; - mask_keydown = 0x0040000; - break; - case SAA7134_BOARD_CINERGY400: - case SAA7134_BOARD_CINERGY600: - case SAA7134_BOARD_CINERGY600_MK3: - ir_codes = ir_codes_cinergy; - mask_keycode = 0x00003f; - mask_keyup = 0x040000; - break; - case SAA7134_BOARD_ECS_TVP3XP: - case SAA7134_BOARD_ECS_TVP3XP_4CB5: - ir_codes = ir_codes_eztv; - mask_keycode = 0x00017c; - mask_keyup = 0x000002; - polling = 50; // ms - break; - case SAA7134_BOARD_KWORLD_XPERT: - case SAA7134_BOARD_AVACSSMARTTV: - ir_codes = ir_codes_pixelview; - mask_keycode = 0x00001F; - mask_keyup = 0x000020; - polling = 50; // ms - break; - case SAA7134_BOARD_MD2819: - case SAA7134_BOARD_KWORLD_VSTREAM_XPERT: - case SAA7134_BOARD_AVERMEDIA_305: - case SAA7134_BOARD_AVERMEDIA_307: - case SAA7134_BOARD_AVERMEDIA_STUDIO_305: - case SAA7134_BOARD_AVERMEDIA_STUDIO_307: - case SAA7134_BOARD_AVERMEDIA_STUDIO_507: - case SAA7134_BOARD_AVERMEDIA_GO_007_FM: - case SAA7134_BOARD_AVERMEDIA_M102: - case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS: - ir_codes = ir_codes_avermedia; - mask_keycode = 0x0007C8; - mask_keydown = 0x000010; - polling = 50; // ms - /* Set GPIO pin2 to high to enable the IR controller */ - saa_setb(SAA7134_GPIO_GPMODE0, 0x4); - saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4); - break; - case SAA7134_BOARD_AVERMEDIA_M135A: - ir_codes = ir_codes_avermedia_m135a; - mask_keydown = 0x0040000; - mask_keycode = 0x00013f; - nec_gpio = 1; - break; - case SAA7134_BOARD_AVERMEDIA_777: - case SAA7134_BOARD_AVERMEDIA_A16AR: - ir_codes = ir_codes_avermedia; - mask_keycode = 0x02F200; - mask_keydown = 0x000400; - polling = 50; // ms - /* Without this we won't receive key up events */ - saa_setb(SAA7134_GPIO_GPMODE1, 0x1); - saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); - break; - case SAA7134_BOARD_AVERMEDIA_A16D: - ir_codes = ir_codes_avermedia_a16d; - mask_keycode = 0x02F200; - mask_keydown = 0x000400; - polling = 50; /* ms */ - /* Without this we won't receive key up events */ - saa_setb(SAA7134_GPIO_GPMODE1, 0x1); - saa_setb(SAA7134_GPIO_GPSTATUS1, 0x1); - break; - case SAA7134_BOARD_KWORLD_TERMINATOR: - ir_codes = ir_codes_pixelview; - mask_keycode = 0x00001f; - mask_keyup = 0x000060; - polling = 50; // ms - break; - case SAA7134_BOARD_MANLI_MTV001: - case SAA7134_BOARD_MANLI_MTV002: - ir_codes = ir_codes_manli; - mask_keycode = 0x001f00; - mask_keyup = 0x004000; - polling = 50; /* ms */ - break; - case SAA7134_BOARD_BEHOLD_409FM: - case SAA7134_BOARD_BEHOLD_401: - case SAA7134_BOARD_BEHOLD_403: - case SAA7134_BOARD_BEHOLD_403FM: - case SAA7134_BOARD_BEHOLD_405: - case SAA7134_BOARD_BEHOLD_405FM: - case SAA7134_BOARD_BEHOLD_407: - case SAA7134_BOARD_BEHOLD_407FM: - case SAA7134_BOARD_BEHOLD_409: - case SAA7134_BOARD_BEHOLD_505FM: - case SAA7134_BOARD_BEHOLD_507_9FM: - ir_codes = ir_codes_manli; - mask_keycode = 0x003f00; - mask_keyup = 0x004000; - polling = 50; /* ms */ - break; - case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM: - ir_codes = ir_codes_behold_columbus; - mask_keycode = 0x003f00; - mask_keyup = 0x004000; - polling = 50; // ms - break; - case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS: - ir_codes = ir_codes_pctv_sedna; - mask_keycode = 0x001f00; - mask_keyup = 0x004000; - polling = 50; // ms - break; - case SAA7134_BOARD_GOTVIEW_7135: - ir_codes = ir_codes_gotview7135; - mask_keycode = 0x0003CC; - mask_keydown = 0x000010; - polling = 5; /* ms */ - saa_setb(SAA7134_GPIO_GPMODE1, 0x80); - break; - case SAA7134_BOARD_VIDEOMATE_TV_PVR: - case SAA7134_BOARD_VIDEOMATE_GOLD_PLUS: - case SAA7134_BOARD_VIDEOMATE_TV_GOLD_PLUSII: - ir_codes = ir_codes_videomate_tv_pvr; - mask_keycode = 0x00003F; - mask_keyup = 0x400000; - polling = 50; // ms - break; - case SAA7134_BOARD_PROTEUS_2309: - ir_codes = ir_codes_proteus_2309; - mask_keycode = 0x00007F; - mask_keyup = 0x000080; - polling = 50; // ms - break; - case SAA7134_BOARD_VIDEOMATE_DVBT_300: - case SAA7134_BOARD_VIDEOMATE_DVBT_200: - ir_codes = ir_codes_videomate_tv_pvr; - mask_keycode = 0x003F00; - mask_keyup = 0x040000; - break; - case SAA7134_BOARD_FLYDVBS_LR300: - case SAA7134_BOARD_FLYDVBT_LR301: - case SAA7134_BOARD_FLYDVBTDUO: - ir_codes = ir_codes_flydvb; - mask_keycode = 0x0001F00; - mask_keydown = 0x0040000; - break; - case SAA7134_BOARD_ASUSTeK_P7131_DUAL: - case SAA7134_BOARD_ASUSTeK_P7131_HYBRID_LNA: - case SAA7134_BOARD_ASUSTeK_P7131_ANALOG: - ir_codes = ir_codes_asus_pc39; - mask_keydown = 0x0040000; - rc5_gpio = 1; - break; - case SAA7134_BOARD_ENCORE_ENLTV: - case SAA7134_BOARD_ENCORE_ENLTV_FM: - ir_codes = ir_codes_encore_enltv; - mask_keycode = 0x00007f; - mask_keyup = 0x040000; - polling = 50; // ms - break; - case SAA7134_BOARD_ENCORE_ENLTV_FM53: - ir_codes = ir_codes_encore_enltv_fm53; - mask_keydown = 0x0040000; - mask_keycode = 0x00007f; - nec_gpio = 1; - break; - case SAA7134_BOARD_10MOONSTVMASTER3: - ir_codes = ir_codes_encore_enltv; - mask_keycode = 0x5f80000; - mask_keyup = 0x8000000; - polling = 50; //ms - break; - case SAA7134_BOARD_GENIUS_TVGO_A11MCE: - ir_codes = ir_codes_genius_tvgo_a11mce; - mask_keycode = 0xff; - mask_keydown = 0xf00000; - polling = 50; /* ms */ - break; - case SAA7134_BOARD_REAL_ANGEL_220: - ir_codes = ir_codes_real_audio_220_32_keys; - mask_keycode = 0x3f00; - mask_keyup = 0x4000; - polling = 50; /* ms */ - break; - case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: - ir_codes = ir_codes_kworld_plus_tv_analog; - mask_keycode = 0x7f; - polling = 40; /* ms */ - break; - } - if (NULL == ir_codes) { - printk("%s: Oops: IR config error [card=%d]\n", - dev->name, dev->board); - return -ENODEV; - } - - ir = kzalloc(sizeof(*ir), GFP_KERNEL); - input_dev = input_allocate_device(); - if (!ir || !input_dev) { - err = -ENOMEM; - goto err_out_free; - } - - ir->dev = input_dev; - - /* init hardware-specific stuff */ - ir->mask_keycode = mask_keycode; - ir->mask_keydown = mask_keydown; - ir->mask_keyup = mask_keyup; - ir->polling = polling; - ir->rc5_gpio = rc5_gpio; - ir->nec_gpio = nec_gpio; - - /* init input device */ - snprintf(ir->name, sizeof(ir->name), "saa7134 IR (%s)", - saa7134_boards[dev->board].name); - snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0", - pci_name(dev->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 (dev->pci->subsystem_vendor) { - input_dev->id.vendor = dev->pci->subsystem_vendor; - input_dev->id.product = dev->pci->subsystem_device; - } else { - input_dev->id.vendor = dev->pci->vendor; - input_dev->id.product = dev->pci->device; - } - input_dev->dev.parent = &dev->pci->dev; - - dev->remote = ir; - saa7134_ir_start(dev, ir); - - err = input_register_device(ir->dev); - if (err) - goto err_out_stop; - - /* 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; - - err_out_stop: - saa7134_ir_stop(dev); - dev->remote = NULL; - err_out_free: - input_free_device(input_dev); - kfree(ir); - return err; -} - -void saa7134_input_fini(struct saa7134_dev *dev) -{ - if (NULL == dev->remote) - return; - - saa7134_ir_stop(dev); - input_unregister_device(dev->remote->dev); - kfree(dev->remote); - dev->remote = NULL; -} - -void saa7134_set_i2c_ir(struct saa7134_dev *dev, struct IR_i2c *ir) -{ - if (disable_ir) { - dprintk("Found supported i2c remote, but IR has been disabled\n"); - ir->get_key=NULL; - return; - } - - switch (dev->board) { - case SAA7134_BOARD_PINNACLE_PCTV_110i: - case SAA7134_BOARD_PINNACLE_PCTV_310i: - snprintf(ir->c.name, sizeof(ir->c.name), "Pinnacle PCTV"); - if (pinnacle_remote == 0) { - ir->get_key = get_key_pinnacle_color; - ir->ir_codes = ir_codes_pinnacle_color; - } else { - ir->get_key = get_key_pinnacle_grey; - ir->ir_codes = ir_codes_pinnacle_grey; - } - break; - case SAA7134_BOARD_UPMOST_PURPLE_TV: - snprintf(ir->c.name, sizeof(ir->c.name), "Purple TV"); - ir->get_key = get_key_purpletv; - ir->ir_codes = ir_codes_purpletv; - break; - case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS: - snprintf(ir->c.name, sizeof(ir->c.name), "MSI TV@nywhere Plus"); - ir->get_key = get_key_msi_tvanywhere_plus; - ir->ir_codes = ir_codes_msi_tvanywhere_plus; - break; - case SAA7134_BOARD_HAUPPAUGE_HVR1110: - snprintf(ir->c.name, sizeof(ir->c.name), "HVR 1110"); - ir->get_key = get_key_hvr1110; - ir->ir_codes = ir_codes_hauppauge_new; - break; - case SAA7134_BOARD_BEHOLD_607_9FM: - case SAA7134_BOARD_BEHOLD_M6: - case SAA7134_BOARD_BEHOLD_M63: - case SAA7134_BOARD_BEHOLD_M6_EXTRA: - case SAA7134_BOARD_BEHOLD_H6: - snprintf(ir->c.name, sizeof(ir->c.name), "BeholdTV"); - ir->get_key = get_key_beholdm6xx; - ir->ir_codes = ir_codes_behold; - break; - default: - dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board); - break; - } - -} - -static int saa7134_rc5_irq(struct saa7134_dev *dev) -{ - struct card_ir *ir = dev->remote; - struct timeval tv; - u32 gap; - unsigned long current_jiffies, timeout; - - /* 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 - ir_rc5_remote_gap / 2) / - ir_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); - } - - return 1; -} - - -/* On NEC protocol, One has 2.25 ms, and zero has 1.125 ms - The first pulse (start) has 9 + 4.5 ms - */ - -static void saa7134_nec_timer(unsigned long data) -{ - struct saa7134_dev *dev = (struct saa7134_dev *) data; - struct card_ir *ir = dev->remote; - - dprintk("Cancel key repeat\n"); - - ir_input_nokey(ir->dev, &ir->ir); -} - -static void nec_task(unsigned long data) -{ - struct saa7134_dev *dev = (struct saa7134_dev *) data; - struct card_ir *ir; - struct timeval tv; - int count, pulse, oldpulse, gap; - u32 ircode = 0, not_code = 0; - int ngap = 0; - - if (!data) { - printk(KERN_ERR "saa713x/ir: Can't recover dev struct\n"); - /* GPIO will be kept disabled */ - return; - } - - ir = dev->remote; - - /* rising SAA7134_GPIO_GPRESCAN reads the status */ - saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - - oldpulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown; - pulse = oldpulse; - - do_gettimeofday(&tv); - ir->base_time = tv; - - /* Decode NEC pulsecode. This code can take up to 76.5 ms to run. - Unfortunately, using IRQ to decode pulse didn't work, since it uses - a pulse train of 38KHz. This means one pulse on each 52 us - */ - do { - /* Wait until the end of pulse/space or 5 ms */ - for (count = 0; count < 500; count++) { - udelay(10); - /* rising SAA7134_GPIO_GPRESCAN reads the status */ - saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - pulse = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) - & ir->mask_keydown; - if (pulse != oldpulse) - break; - } - - do_gettimeofday(&tv); - gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) + - tv.tv_usec - ir->base_time.tv_usec; - - if (!pulse) { - /* Bit 0 has 560 us, while bit 1 has 1120 us. - Do something only if bit == 1 - */ - if (ngap && (gap > 560 + 280)) { - unsigned int shift = ngap - 1; - - /* Address first, then command */ - if (shift < 8) { - shift += 8; - ircode |= 1 << shift; - } else if (shift < 16) { - not_code |= 1 << shift; - } else if (shift < 24) { - shift -= 16; - ircode |= 1 << shift; - } else { - shift -= 24; - not_code |= 1 << shift; - } - } - ngap++; - } - - - ir->base_time = tv; - - /* TIMEOUT - Long pulse */ - if (gap >= 5000) - break; - oldpulse = pulse; - } while (ngap < 32); - - if (ngap == 32) { - /* FIXME: should check if not_code == ~ircode */ - ir->code = ir_extract_bits(ircode, ir->mask_keycode); - - dprintk("scancode = 0x%02x (code = 0x%02x, notcode= 0x%02x)\n", - ir->code, ircode, not_code); - - ir_input_keydown(ir->dev, &ir->ir, ir->code, ir->code); - } else - dprintk("Repeat last key\n"); - - /* Keep repeating the last key */ - mod_timer(&ir->timer_keyup, jiffies + msecs_to_jiffies(150)); - - saa_setl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); -} - -static int saa7134_nec_irq(struct saa7134_dev *dev) -{ - struct card_ir *ir = dev->remote; - - saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); - tasklet_schedule(&ir->tlet); - - return 1; -} |
