| /* |
| * |
| * 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/moduleparam.h> |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/sched.h> |
| #include <linux/interrupt.h> |
| #include <linux/input.h> |
| |
| #include "saa7134-reg.h" |
| #include "saa7134.h" |
| |
| static unsigned int disable_ir = 0; |
| module_param(disable_ir, int, 0444); |
| MODULE_PARM_DESC(disable_ir,"disable infrared remote support"); |
| |
| static unsigned int ir_debug = 0; |
| module_param(ir_debug, int, 0644); |
| MODULE_PARM_DESC(ir_debug,"enable debug messages [IR]"); |
| |
| static int pinnacle_remote = 0; |
| 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)"); |
| |
| #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) |
| |
| /* -------------------- GPIO generic keycode builder -------------------- */ |
| |
| static int build_key(struct saa7134_dev *dev) |
| { |
| struct saa7134_ir *ir = dev->remote; |
| u32 gpio, 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 (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); |
| |
| 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_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; |
| } |
| |
| void saa7134_input_irq(struct saa7134_dev *dev) |
| { |
| struct saa7134_ir *ir = dev->remote; |
| |
| if (!ir->polling) |
| build_key(dev); |
| } |
| |
| static void saa7134_input_timer(unsigned long data) |
| { |
| struct saa7134_dev *dev = (struct saa7134_dev*)data; |
| struct saa7134_ir *ir = dev->remote; |
| unsigned long timeout; |
| |
| build_key(dev); |
| timeout = jiffies + (ir->polling * HZ / 1000); |
| mod_timer(&ir->timer, timeout); |
| } |
| |
| int saa7134_input_init1(struct saa7134_dev *dev) |
| { |
| struct saa7134_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 ir_type = IR_TYPE_OTHER; |
| |
| 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: |
| 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_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_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: |
| case SAA7134_BOARD_BEHOLD_409FM: |
| ir_codes = ir_codes_manli; |
| mask_keycode = 0x001f00; |
| 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 = 0x0003EC; |
| mask_keyup = 0x008000; |
| mask_keydown = 0x000010; |
| polling = 50; // ms |
| 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_FLYDVBT_LR301: |
| case SAA7134_BOARD_FLYDVBTDUO: |
| ir_codes = ir_codes_flydvb; |
| mask_keycode = 0x0001F00; |
| mask_keydown = 0x0040000; |
| 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) { |
| kfree(ir); |
| input_free_device(input_dev); |
| return -ENOMEM; |
| } |
| |
| 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; |
| |
| /* 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->cdev.dev = &dev->pci->dev; |
| |
| /* all done */ |
| dev->remote = ir; |
| if (ir->polling) { |
| init_timer(&ir->timer); |
| ir->timer.function = saa7134_input_timer; |
| ir->timer.data = (unsigned long)dev; |
| ir->timer.expires = jiffies + HZ; |
| add_timer(&ir->timer); |
| } |
| |
| input_register_device(ir->dev); |
| return 0; |
| } |
| |
| void saa7134_input_fini(struct saa7134_dev *dev) |
| { |
| if (NULL == dev->remote) |
| return; |
| |
| if (dev->remote->polling) |
| del_timer_sync(&dev->remote->timer); |
| 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; |
| default: |
| dprintk("Shouldn't get here: Unknown board %x for I2C IR?\n",dev->board); |
| break; |
| } |
| |
| } |
| /* ---------------------------------------------------------------------- |
| * Local variables: |
| * c-basic-offset: 8 |
| * End: |
| */ |