| /* |
| * |
| * 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 <linux/slab.h> |
| |
| #include "saa7134-reg.h" |
| #include "saa7134.h" |
| |
| #define MODULE_NAME "saa7134" |
| |
| 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->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 int saa7134_raw_decode_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); |
| 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); |
| } 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); |
| ir_input_nokey(ir->dev, &ir->ir); |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* --------------------- Chip specific I2C key builders ----------------- */ |
| |
| static int get_key_flydvb_trio(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) |
| { |
| int gpio; |
| int attempt = 0; |
| unsigned char b; |
| |
| /* We need this to access GPI Used by the saa_readl macro. */ |
| struct saa7134_dev *dev = ir->c->adapter->algo_data; |
| |
| if (dev == NULL) { |
| dprintk("get_key_flydvb_trio: " |
| "gir->c->adapter->algo_data is NULL!\n"); |
| return -EIO; |
| } |
| |
| /* rising SAA7134_GPIGPRESCAN 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 (0x40000 & ~gpio) |
| return 0; /* No button press */ |
| |
| /* No button press - only before first key pressed */ |
| if (b == 0xFF) |
| return 0; |
| |
| /* poll IR chip */ |
| /* weak up the IR chip */ |
| b = 0; |
| |
| while (1 != i2c_master_send(ir->c, &b, 1)) { |
| if ((attempt++) < 10) { |
| /* |
| * wait a bit for next attempt - |
| * I don't know how make it better |
| */ |
| msleep(10); |
| continue; |
| } |
| i2cdprintk("send wake up byte to pic16C505 (IR chip)" |
| "failed %dx\n", attempt); |
| return -EIO; |
| } |
| if (1 != i2c_master_recv(ir->c, &b, 1)) { |
| i2cdprintk("read error\n"); |
| return -EIO; |
| } |
| |
| *ir_key = b; |
| *ir_raw = b; |
| return 1; |
| } |
| |
| 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; |
| |
| /* Wrong data decode fix */ |
| if (data[9] != (unsigned char)(~data[8])) |
| 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; |
| |
| if (!dev || !dev->remote) |
| return; |
| |
| ir = dev->remote; |
| if (!ir->running) |
| return; |
| |
| if (ir->nec_gpio) { |
| saa7134_nec_irq(dev); |
| } else if (!ir->polling && !ir->rc5_gpio && !ir->raw_decode) { |
| build_key(dev); |
| } else if (ir->rc5_gpio) { |
| saa7134_rc5_irq(dev); |
| } else if (ir->raw_decode) { |
| saa7134_raw_decode_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 ir_raw_decode_timer_end(unsigned long data) |
| { |
| struct saa7134_dev *dev = (struct saa7134_dev *)data; |
| struct card_ir *ir = dev->remote; |
| |
| ir_raw_event_handle(dev->remote->dev); |
| |
| ir->active = 0; |
| } |
| |
| static int __saa7134_ir_start(void *priv) |
| { |
| struct saa7134_dev *dev = priv; |
| struct card_ir *ir; |
| |
| if (!dev) |
| return -EINVAL; |
| |
| ir = dev->remote; |
| if (!ir) |
| return -EINVAL; |
| |
| if (ir->running) |
| return 0; |
| |
| ir->running = 1; |
| 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); |
| } else if (ir->raw_decode) { |
| /* set timer_end for code completion */ |
| init_timer(&ir->timer_end); |
| ir->timer_end.function = ir_raw_decode_timer_end; |
| ir->timer_end.data = (unsigned long)dev; |
| ir->active = 0; |
| } |
| |
| return 0; |
| } |
| |
| static void __saa7134_ir_stop(void *priv) |
| { |
| struct saa7134_dev *dev = priv; |
| struct card_ir *ir; |
| |
| if (!dev) |
| return; |
| |
| ir = dev->remote; |
| if (!ir) |
| return; |
| |
| if (!ir->running) |
| return; |
| if (dev->remote->polling) |
| del_timer_sync(&dev->remote->timer); |
| else if (ir->rc5_gpio) |
| del_timer_sync(&ir->timer_end); |
| else if (ir->nec_gpio) |
| tasklet_kill(&ir->tlet); |
| else if (ir->raw_decode) { |
| del_timer_sync(&ir->timer_end); |
| ir->active = 0; |
| } |
| |
| ir->running = 0; |
| |
| return; |
| } |
| |
| int saa7134_ir_start(struct saa7134_dev *dev) |
| { |
| if (dev->remote->users) |
| return __saa7134_ir_start(dev); |
| |
| return 0; |
| } |
| |
| void saa7134_ir_stop(struct saa7134_dev *dev) |
| { |
| if (dev->remote->users) |
| __saa7134_ir_stop(dev); |
| } |
| |
| static int saa7134_ir_open(void *priv) |
| { |
| struct saa7134_dev *dev = priv; |
| |
| dev->remote->users++; |
| return __saa7134_ir_start(dev); |
| } |
| |
| static void saa7134_ir_close(void *priv) |
| { |
| struct saa7134_dev *dev = priv; |
| |
| dev->remote->users--; |
| if (!dev->remote->users) |
| __saa7134_ir_stop(dev); |
| } |
| |
| |
| int saa7134_ir_change_protocol(void *priv, u64 ir_type) |
| { |
| struct saa7134_dev *dev = priv; |
| struct card_ir *ir = dev->remote; |
| u32 nec_gpio, rc5_gpio; |
| |
| if (ir_type == IR_TYPE_RC5) { |
| dprintk("Changing protocol to RC5\n"); |
| nec_gpio = 0; |
| rc5_gpio = 1; |
| } else if (ir_type == IR_TYPE_NEC) { |
| dprintk("Changing protocol to NEC\n"); |
| nec_gpio = 1; |
| rc5_gpio = 0; |
| } else { |
| dprintk("IR protocol type %ud is not supported\n", |
| (unsigned)ir_type); |
| return -EINVAL; |
| } |
| |
| if (ir->running) { |
| saa7134_ir_stop(dev); |
| ir->nec_gpio = nec_gpio; |
| ir->rc5_gpio = rc5_gpio; |
| saa7134_ir_start(dev); |
| } else { |
| ir->nec_gpio = nec_gpio; |
| ir->rc5_gpio = rc5_gpio; |
| } |
| |
| return 0; |
| } |
| |
| int saa7134_input_init1(struct saa7134_dev *dev) |
| { |
| struct card_ir *ir; |
| struct input_dev *input_dev; |
| char *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 raw_decode = 0; |
| int allow_protocol_change = 0; |
| u64 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: |
| case SAA7134_BOARD_ROVERMEDIA_LINK_PRO_FM: |
| ir_codes = RC_MAP_FLYVIDEO; |
| mask_keycode = 0xEC00000; |
| mask_keydown = 0x0040000; |
| break; |
| case SAA7134_BOARD_CINERGY400: |
| case SAA7134_BOARD_CINERGY600: |
| case SAA7134_BOARD_CINERGY600_MK3: |
| ir_codes = RC_MAP_CINERGY; |
| mask_keycode = 0x00003f; |
| mask_keyup = 0x040000; |
| break; |
| case SAA7134_BOARD_ECS_TVP3XP: |
| case SAA7134_BOARD_ECS_TVP3XP_4CB5: |
| ir_codes = RC_MAP_EZTV; |
| mask_keycode = 0x00017c; |
| mask_keyup = 0x000002; |
| polling = 50; // ms |
| break; |
| case SAA7134_BOARD_KWORLD_XPERT: |
| case SAA7134_BOARD_AVACSSMARTTV: |
| ir_codes = RC_MAP_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_505: |
| case SAA7134_BOARD_AVERMEDIA_STUDIO_307: |
| case SAA7134_BOARD_AVERMEDIA_STUDIO_507: |
| case SAA7134_BOARD_AVERMEDIA_STUDIO_507UA: |
| case SAA7134_BOARD_AVERMEDIA_GO_007_FM: |
| case SAA7134_BOARD_AVERMEDIA_M102: |
| case SAA7134_BOARD_AVERMEDIA_GO_007_FM_PLUS: |
| ir_codes = RC_MAP_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 = RC_MAP_AVERMEDIA_M135A_RM_JX; |
| mask_keydown = 0x0040000; /* Enable GPIO18 line on both edges */ |
| mask_keyup = 0x0040000; |
| mask_keycode = 0xffff; |
| raw_decode = 1; |
| break; |
| case SAA7134_BOARD_AVERMEDIA_777: |
| case SAA7134_BOARD_AVERMEDIA_A16AR: |
| ir_codes = RC_MAP_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 = RC_MAP_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 = RC_MAP_PIXELVIEW; |
| mask_keycode = 0x00001f; |
| mask_keyup = 0x000060; |
| polling = 50; // ms |
| break; |
| case SAA7134_BOARD_MANLI_MTV001: |
| case SAA7134_BOARD_MANLI_MTV002: |
| ir_codes = RC_MAP_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_505RDS_MK5: |
| case SAA7134_BOARD_BEHOLD_505RDS_MK3: |
| case SAA7134_BOARD_BEHOLD_507_9FM: |
| case SAA7134_BOARD_BEHOLD_507RDS_MK3: |
| case SAA7134_BOARD_BEHOLD_507RDS_MK5: |
| ir_codes = RC_MAP_MANLI; |
| mask_keycode = 0x003f00; |
| mask_keyup = 0x004000; |
| polling = 50; /* ms */ |
| break; |
| case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM: |
| ir_codes = RC_MAP_BEHOLD_COLUMBUS; |
| mask_keycode = 0x003f00; |
| mask_keyup = 0x004000; |
| polling = 50; // ms |
| break; |
| case SAA7134_BOARD_SEDNA_PC_TV_CARDBUS: |
| ir_codes = RC_MAP_PCTV_SEDNA; |
| mask_keycode = 0x001f00; |
| mask_keyup = 0x004000; |
| polling = 50; // ms |
| break; |
| case SAA7134_BOARD_GOTVIEW_7135: |
| ir_codes = RC_MAP_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 = RC_MAP_VIDEOMATE_TV_PVR; |
| mask_keycode = 0x00003F; |
| mask_keyup = 0x400000; |
| polling = 50; // ms |
| break; |
| case SAA7134_BOARD_PROTEUS_2309: |
| ir_codes = RC_MAP_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 = RC_MAP_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 = RC_MAP_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 = RC_MAP_ASUS_PC39; |
| mask_keydown = 0x0040000; |
| rc5_gpio = 1; |
| break; |
| case SAA7134_BOARD_ENCORE_ENLTV: |
| case SAA7134_BOARD_ENCORE_ENLTV_FM: |
| ir_codes = RC_MAP_ENCORE_ENLTV; |
| mask_keycode = 0x00007f; |
| mask_keyup = 0x040000; |
| polling = 50; // ms |
| break; |
| case SAA7134_BOARD_ENCORE_ENLTV_FM53: |
| ir_codes = RC_MAP_ENCORE_ENLTV_FM53; |
| mask_keydown = 0x0040000; |
| mask_keycode = 0x00007f; |
| nec_gpio = 1; |
| break; |
| case SAA7134_BOARD_10MOONSTVMASTER3: |
| ir_codes = RC_MAP_ENCORE_ENLTV; |
| mask_keycode = 0x5f80000; |
| mask_keyup = 0x8000000; |
| polling = 50; //ms |
| break; |
| case SAA7134_BOARD_GENIUS_TVGO_A11MCE: |
| ir_codes = RC_MAP_GENIUS_TVGO_A11MCE; |
| mask_keycode = 0xff; |
| mask_keydown = 0xf00000; |
| polling = 50; /* ms */ |
| break; |
| case SAA7134_BOARD_REAL_ANGEL_220: |
| ir_codes = RC_MAP_REAL_AUDIO_220_32_KEYS; |
| mask_keycode = 0x3f00; |
| mask_keyup = 0x4000; |
| polling = 50; /* ms */ |
| break; |
| case SAA7134_BOARD_KWORLD_PLUS_TV_ANALOG: |
| ir_codes = RC_MAP_KWORLD_PLUS_TV_ANALOG; |
| mask_keycode = 0x7f; |
| polling = 40; /* ms */ |
| break; |
| case SAA7134_BOARD_VIDEOMATE_S350: |
| ir_codes = RC_MAP_VIDEOMATE_S350; |
| mask_keycode = 0x003f00; |
| mask_keydown = 0x040000; |
| break; |
| case SAA7134_BOARD_LEADTEK_WINFAST_DTV1000S: |
| ir_codes = RC_MAP_WINFAST; |
| mask_keycode = 0x5f00; |
| mask_keyup = 0x020000; |
| polling = 50; /* ms */ |
| break; |
| 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; |
| dev->remote = ir; |
| |
| ir->running = 0; |
| |
| /* 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; |
| ir->raw_decode = raw_decode; |
| |
| /* 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->props.priv = dev; |
| ir->props.open = saa7134_ir_open; |
| ir->props.close = saa7134_ir_close; |
| |
| if (raw_decode) |
| ir->props.driver_type = RC_DRIVER_IR_RAW; |
| |
| if (!raw_decode && allow_protocol_change) { |
| ir->props.allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC; |
| ir->props.change_protocol = saa7134_ir_change_protocol; |
| } |
| |
| err = ir_input_init(input_dev, &ir->ir, ir_type); |
| if (err < 0) |
| goto err_out_free; |
| |
| 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; |
| |
| err = ir_input_register(ir->dev, ir_codes, &ir->props, MODULE_NAME); |
| if (err) |
| goto err_out_free; |
| |
| /* 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_free: |
| dev->remote = NULL; |
| kfree(ir); |
| return err; |
| } |
| |
| void saa7134_input_fini(struct saa7134_dev *dev) |
| { |
| if (NULL == dev->remote) |
| return; |
| |
| saa7134_ir_stop(dev); |
| ir_input_unregister(dev->remote->dev); |
| kfree(dev->remote); |
| dev->remote = NULL; |
| } |
| |
| void saa7134_probe_i2c_ir(struct saa7134_dev *dev) |
| { |
| struct i2c_board_info info; |
| |
| struct i2c_msg msg_msi = { |
| .addr = 0x50, |
| .flags = I2C_M_RD, |
| .len = 0, |
| .buf = NULL, |
| }; |
| |
| int rc; |
| |
| if (disable_ir) { |
| dprintk("IR has been disabled, not probing for i2c remote\n"); |
| return; |
| } |
| |
| memset(&info, 0, sizeof(struct i2c_board_info)); |
| memset(&dev->init_data, 0, sizeof(dev->init_data)); |
| strlcpy(info.type, "ir_video", I2C_NAME_SIZE); |
| |
| switch (dev->board) { |
| case SAA7134_BOARD_PINNACLE_PCTV_110i: |
| case SAA7134_BOARD_PINNACLE_PCTV_310i: |
| dev->init_data.name = "Pinnacle PCTV"; |
| if (pinnacle_remote == 0) { |
| dev->init_data.get_key = get_key_pinnacle_color; |
| dev->init_data.ir_codes = RC_MAP_PINNACLE_COLOR; |
| info.addr = 0x47; |
| } else { |
| dev->init_data.get_key = get_key_pinnacle_grey; |
| dev->init_data.ir_codes = RC_MAP_PINNACLE_GREY; |
| info.addr = 0x47; |
| } |
| break; |
| case SAA7134_BOARD_UPMOST_PURPLE_TV: |
| dev->init_data.name = "Purple TV"; |
| dev->init_data.get_key = get_key_purpletv; |
| dev->init_data.ir_codes = RC_MAP_PURPLETV; |
| info.addr = 0x7a; |
| break; |
| case SAA7134_BOARD_MSI_TVATANYWHERE_PLUS: |
| dev->init_data.name = "MSI TV@nywhere Plus"; |
| dev->init_data.get_key = get_key_msi_tvanywhere_plus; |
| dev->init_data.ir_codes = RC_MAP_MSI_TVANYWHERE_PLUS; |
| info.addr = 0x30; |
| /* MSI TV@nywhere Plus controller doesn't seem to |
| respond to probes unless we read something from |
| an existing device. Weird... |
| REVISIT: might no longer be needed */ |
| rc = i2c_transfer(&dev->i2c_adap, &msg_msi, 1); |
| dprintk(KERN_DEBUG "probe 0x%02x @ %s: %s\n", |
| msg_msi.addr, dev->i2c_adap.name, |
| (1 == rc) ? "yes" : "no"); |
| break; |
| case SAA7134_BOARD_HAUPPAUGE_HVR1110: |
| dev->init_data.name = "HVR 1110"; |
| dev->init_data.get_key = get_key_hvr1110; |
| dev->init_data.ir_codes = RC_MAP_HAUPPAUGE_NEW; |
| info.addr = 0x71; |
| break; |
| case SAA7134_BOARD_BEHOLD_607FM_MK3: |
| case SAA7134_BOARD_BEHOLD_607FM_MK5: |
| case SAA7134_BOARD_BEHOLD_609FM_MK3: |
| case SAA7134_BOARD_BEHOLD_609FM_MK5: |
| case SAA7134_BOARD_BEHOLD_607RDS_MK3: |
| case SAA7134_BOARD_BEHOLD_607RDS_MK5: |
| case SAA7134_BOARD_BEHOLD_609RDS_MK3: |
| case SAA7134_BOARD_BEHOLD_609RDS_MK5: |
| case SAA7134_BOARD_BEHOLD_M6: |
| case SAA7134_BOARD_BEHOLD_M63: |
| case SAA7134_BOARD_BEHOLD_M6_EXTRA: |
| case SAA7134_BOARD_BEHOLD_H6: |
| case SAA7134_BOARD_BEHOLD_X7: |
| dev->init_data.name = "BeholdTV"; |
| dev->init_data.get_key = get_key_beholdm6xx; |
| dev->init_data.ir_codes = RC_MAP_BEHOLD; |
| dev->init_data.type = IR_TYPE_NEC; |
| info.addr = 0x2d; |
| break; |
| case SAA7134_BOARD_AVERMEDIA_CARDBUS_501: |
| case SAA7134_BOARD_AVERMEDIA_CARDBUS_506: |
| info.addr = 0x40; |
| break; |
| case SAA7134_BOARD_FLYDVB_TRIO: |
| dev->init_data.name = "FlyDVB Trio"; |
| dev->init_data.get_key = get_key_flydvb_trio; |
| dev->init_data.ir_codes = RC_MAP_FLYDVB; |
| info.addr = 0x0b; |
| break; |
| default: |
| dprintk("No I2C IR support for board %x\n", dev->board); |
| return; |
| } |
| |
| if (dev->init_data.name) |
| info.platform_data = &dev->init_data; |
| i2c_new_device(&dev->i2c_adap, &info); |
| } |
| |
| static int saa7134_raw_decode_irq(struct saa7134_dev *dev) |
| { |
| struct card_ir *ir = dev->remote; |
| unsigned long timeout; |
| int space; |
| |
| /* Generate initial event */ |
| saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); |
| saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); |
| space = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & ir->mask_keydown; |
| ir_raw_event_store_edge(dev->remote->dev, space ? IR_SPACE : IR_PULSE); |
| |
| |
| /* |
| * Wait 15 ms from the start of the first IR event before processing |
| * the event. This time is enough for NEC protocol. May need adjustments |
| * to work with other protocols. |
| */ |
| if (!ir->active) { |
| timeout = jiffies + jiffies_to_msecs(15); |
| mod_timer(&ir->timer_end, timeout); |
| ir->active = 1; |
| } |
| |
| return 1; |
| } |
| |
| 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); |
| } 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_P); |
| } |
| |
| static int saa7134_nec_irq(struct saa7134_dev *dev) |
| { |
| struct card_ir *ir = dev->remote; |
| |
| saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P); |
| tasklet_schedule(&ir->tlet); |
| |
| return 1; |
| } |