Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / media / pci / saa7134 / saa7134-input.c
diff --git a/kernel/drivers/media/pci/saa7134/saa7134-input.c b/kernel/drivers/media/pci/saa7134/saa7134-input.c
new file mode 100644 (file)
index 0000000..dc3d651
--- /dev/null
@@ -0,0 +1,1056 @@
+/*
+ *
+ * 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/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)");
+
+#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 function for raw decoding at GPIO16 or GPIO18 */
+static int saa7134_raw_decode_irq(struct saa7134_dev *dev);
+
+/* -------------------- GPIO generic keycode builder -------------------- */
+
+static int build_key(struct saa7134_dev *dev)
+{
+       struct saa7134_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)
+                       rc_keyup(ir->dev);
+               else
+                       rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
+               return 0;
+       }
+
+       if (ir->polling) {
+               if ((ir->mask_keydown  &&  (0 != (gpio & ir->mask_keydown))) ||
+                   (ir->mask_keyup    &&  (0 == (gpio & ir->mask_keyup)))) {
+                       rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
+               } else {
+                       rc_keyup(ir->dev);
+               }
+       }
+       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)))) {
+                       rc_keydown_notimeout(ir->dev, RC_TYPE_UNKNOWN, data, 0);
+                       rc_keyup(ir->dev);
+               }
+       }
+
+       return 0;
+}
+
+/* --------------------- Chip specific I2C key builders ----------------- */
+
+static int get_key_flydvb_trio(struct IR_i2c *ir, enum rc_type *protocol,
+                              u32 *scancode, u8 *toggle)
+{
+       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) {
+               i2cdprintk("get_key_flydvb_trio: "
+                          "ir->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 */
+
+       /* 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;
+       }
+
+       *protocol = RC_TYPE_UNKNOWN;
+       *scancode = b;
+       *toggle = 0;
+       return 1;
+}
+
+static int get_key_msi_tvanywhere_plus(struct IR_i2c *ir, enum rc_type *protocol,
+                                      u32 *scancode, u8 *toggle)
+{
+       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) {
+               i2cdprintk("get_key_msi_tvanywhere_plus: "
+                          "ir->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);
+       *protocol = RC_TYPE_UNKNOWN;
+       *scancode = b;
+       *toggle = 0;
+       return 1;
+}
+
+/* copied and modified from get_key_msi_tvanywhere_plus() */
+static int get_key_kworld_pc150u(struct IR_i2c *ir, enum rc_type *protocol,
+                                u32 *scancode, u8 *toggle)
+{
+       unsigned char b;
+       unsigned 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) {
+               i2cdprintk("get_key_kworld_pc150u: "
+                          "ir->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&0x100 is pulsed low when a button is pressed. Don't do
+          I2C receive if gpio&0x100 is not low. */
+
+       if (gpio & 0x100)
+               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_kworld_pc150u: Key = 0x%02X\n", b);
+       *protocol = RC_TYPE_UNKNOWN;
+       *scancode = b;
+       *toggle = 0;
+       return 1;
+}
+
+static int get_key_purpletv(struct IR_i2c *ir, enum rc_type *protocol,
+                           u32 *scancode, u8 *toggle)
+{
+       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;
+
+       *protocol = RC_TYPE_UNKNOWN;
+       *scancode = b;
+       *toggle = 0;
+       return 1;
+}
+
+static int get_key_hvr1110(struct IR_i2c *ir, enum rc_type *protocol,
+                          u32 *scancode, u8 *toggle)
+{
+       unsigned char buf[5];
+
+       /* poll IR chip */
+       if (5 != i2c_master_recv(ir->c, buf, 5))
+               return -EIO;
+
+       /* Check if some key were pressed */
+       if (!(buf[0] & 0x80))
+               return 0;
+
+       /*
+        * buf[3] & 0x80 is always high.
+        * buf[3] & 0x40 is a parity bit. A repeat event is marked
+        * by preserving it into two separate readings
+        * buf[4] bits 0 and 1, and buf[1] and buf[2] are always
+        * zero.
+        *
+        * Note that the keymap which the hvr1110 uses is RC5.
+        *
+        * FIXME: start bits could maybe be used...?
+        */
+       *protocol = RC_TYPE_RC5;
+       *scancode = RC_SCANCODE_RC5(buf[3] & 0x1f, buf[4] >> 2);
+       *toggle = !!(buf[3] & 0x40);
+       return 1;
+}
+
+
+static int get_key_beholdm6xx(struct IR_i2c *ir, enum rc_type *protocol,
+                             u32 *scancode, u8 *toggle)
+{
+       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;
+       }
+
+       if (data[9] != (unsigned char)(~data[8]))
+               return 0;
+
+       *protocol = RC_TYPE_NEC;
+       *scancode = RC_SCANCODE_NECX(data[11] << 8 | data[10], data[9]);
+       *toggle = 0;
+       return 1;
+}
+
+/* Common (grey or coloured) pinnacle PCTV remote handling
+ *
+ */
+static int get_key_pinnacle(struct IR_i2c *ir, enum rc_type *protocol,
+                           u32 *scancode, u8 *toggle, 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;
+
+       *protocol = RC_TYPE_UNKNOWN;
+       *scancode = code;
+       *toggle = 0;
+
+       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, enum rc_type *protocol,
+                                u32 *scancode, u8 *toggle)
+{
+
+       return get_key_pinnacle(ir, protocol, scancode, toggle, 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, enum rc_type *protocol,
+                                 u32 *scancode, u8 *toggle)
+{
+       /* 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, protocol, scancode, toggle, 2, 0x80, 0x88);
+}
+
+void saa7134_input_irq(struct saa7134_dev *dev)
+{
+       struct saa7134_card_ir *ir;
+
+       if (!dev || !dev->remote)
+               return;
+
+       ir = dev->remote;
+       if (!ir->running)
+               return;
+
+       if (!ir->polling && !ir->raw_decode) {
+               build_key(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 saa7134_card_ir *ir = dev->remote;
+
+       build_key(dev);
+       mod_timer(&ir->timer, jiffies + msecs_to_jiffies(ir->polling));
+}
+
+static void ir_raw_decode_timer_end(unsigned long data)
+{
+       struct saa7134_dev *dev = (struct saa7134_dev *)data;
+
+       ir_raw_event_handle(dev->remote->dev);
+}
+
+static int __saa7134_ir_start(void *priv)
+{
+       struct saa7134_dev *dev = priv;
+       struct saa7134_card_ir *ir;
+
+       if (!dev || !dev->remote)
+               return -EINVAL;
+
+       ir  = dev->remote;
+       if (ir->running)
+               return 0;
+
+       /* Moved here from saa7134_input_init1() because the latter
+        * is not called on device resume */
+       switch (dev->board) {
+       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:
+               /* Without this we won't receive key up events */
+               saa_setb(SAA7134_GPIO_GPMODE0, 0x4);
+               saa_setb(SAA7134_GPIO_GPSTATUS0, 0x4);
+               break;
+       case SAA7134_BOARD_AVERMEDIA_777:
+       case SAA7134_BOARD_AVERMEDIA_A16AR:
+               /* 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:
+               /* 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_GOTVIEW_7135:
+               saa_setb(SAA7134_GPIO_GPMODE1, 0x80);
+               break;
+       }
+
+       ir->running = true;
+
+       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->raw_decode) {
+               /* set timer_end for code completion */
+               setup_timer(&ir->timer, ir_raw_decode_timer_end,
+                           (unsigned long)dev);
+       }
+
+       return 0;
+}
+
+static void __saa7134_ir_stop(void *priv)
+{
+       struct saa7134_dev *dev = priv;
+       struct saa7134_card_ir *ir;
+
+       if (!dev || !dev->remote)
+               return;
+
+       ir  = dev->remote;
+       if (!ir->running)
+               return;
+
+       if (ir->polling || ir->raw_decode)
+               del_timer_sync(&ir->timer);
+
+       ir->running = false;
+
+       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(struct rc_dev *rc)
+{
+       struct saa7134_dev *dev = rc->priv;
+
+       dev->remote->users++;
+       return __saa7134_ir_start(dev);
+}
+
+static void saa7134_ir_close(struct rc_dev *rc)
+{
+       struct saa7134_dev *dev = rc->priv;
+
+       dev->remote->users--;
+       if (!dev->remote->users)
+               __saa7134_ir_stop(dev);
+}
+
+int saa7134_input_init1(struct saa7134_dev *dev)
+{
+       struct saa7134_card_ir *ir;
+       struct rc_dev *rc;
+       char *ir_codes = NULL;
+       u32 mask_keycode = 0;
+       u32 mask_keydown = 0;
+       u32 mask_keyup   = 0;
+       unsigned polling = 0;
+       bool raw_decode  = false;
+       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
+               /* GPIO stuff moved to __saa7134_ir_start() */
+               break;
+       case SAA7134_BOARD_AVERMEDIA_M135A:
+               ir_codes     = RC_MAP_AVERMEDIA_M135A;
+               mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
+               mask_keyup   = 0x0040000;
+               mask_keycode = 0xffff;
+               raw_decode   = true;
+               break;
+       case SAA7134_BOARD_AVERMEDIA_M733A:
+               ir_codes     = RC_MAP_AVERMEDIA_M733A_RM_K6;
+               mask_keydown = 0x0040000;
+               mask_keyup   = 0x0040000;
+               mask_keycode = 0xffff;
+               raw_decode   = true;
+               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
+               /* GPIO stuff moved to __saa7134_ir_start() */
+               break;
+       case SAA7134_BOARD_AVERMEDIA_A16D:
+               ir_codes     = RC_MAP_AVERMEDIA_A16D;
+               mask_keycode = 0x02F200;
+               mask_keydown = 0x000400;
+               polling      = 50; /* ms */
+               /* GPIO stuff moved to __saa7134_ir_start() */
+               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 */
+               /* GPIO stuff moved to __saa7134_ir_start() */
+               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;       /* Enable GPIO18 line on both edges */
+               mask_keyup   = 0x0040000;
+               mask_keycode = 0xffff;
+               raw_decode   = true;
+               break;
+       case SAA7134_BOARD_ASUSTeK_PS3_100:
+               ir_codes     = RC_MAP_ASUS_PS3_100;
+               mask_keydown = 0x0040000;
+               mask_keyup   = 0x0040000;
+               mask_keycode = 0xffff;
+               raw_decode   = true;
+               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:
+       case SAA7134_BOARD_ENCORE_ENLTV_FM3:
+               ir_codes     = RC_MAP_ENCORE_ENLTV_FM53;
+               mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
+               mask_keyup   = 0x0040000;
+               mask_keycode = 0xffff;
+               raw_decode   = true;
+               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;
+       case SAA7134_BOARD_VIDEOMATE_M1F:
+               ir_codes     = RC_MAP_VIDEOMATE_K100;
+               mask_keycode = 0x0ff00;
+               mask_keyup   = 0x040000;
+               break;
+       case SAA7134_BOARD_HAUPPAUGE_HVR1150:
+       case SAA7134_BOARD_HAUPPAUGE_HVR1120:
+               ir_codes     = RC_MAP_HAUPPAUGE;
+               mask_keydown = 0x0040000;       /* Enable GPIO18 line on both edges */
+               mask_keyup   = 0x0040000;
+               mask_keycode = 0xffff;
+               raw_decode   = true;
+               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);
+       rc = rc_allocate_device();
+       if (!ir || !rc) {
+               err = -ENOMEM;
+               goto err_out_free;
+       }
+
+       ir->dev = rc;
+       dev->remote = ir;
+
+       /* init hardware-specific stuff */
+       ir->mask_keycode = mask_keycode;
+       ir->mask_keydown = mask_keydown;
+       ir->mask_keyup   = mask_keyup;
+       ir->polling      = polling;
+       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));
+
+       rc->priv = dev;
+       rc->open = saa7134_ir_open;
+       rc->close = saa7134_ir_close;
+       if (raw_decode)
+               rc->driver_type = RC_DRIVER_IR_RAW;
+
+       rc->input_name = ir->name;
+       rc->input_phys = ir->phys;
+       rc->input_id.bustype = BUS_PCI;
+       rc->input_id.version = 1;
+       if (dev->pci->subsystem_vendor) {
+               rc->input_id.vendor  = dev->pci->subsystem_vendor;
+               rc->input_id.product = dev->pci->subsystem_device;
+       } else {
+               rc->input_id.vendor  = dev->pci->vendor;
+               rc->input_id.product = dev->pci->device;
+       }
+       rc->dev.parent = &dev->pci->dev;
+       rc->map_name = ir_codes;
+       rc->driver_name = MODULE_NAME;
+
+       err = rc_register_device(rc);
+       if (err)
+               goto err_out_free;
+
+       return 0;
+
+err_out_free:
+       rc_free_device(rc);
+       dev->remote = NULL;
+       kfree(ir);
+       return err;
+}
+
+void saa7134_input_fini(struct saa7134_dev *dev)
+{
+       if (NULL == dev->remote)
+               return;
+
+       saa7134_ir_stop(dev);
+       rc_unregister_device(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;
+               /*
+                * MSI TV@nyware Plus requires more frequent polling
+                * otherwise it will miss some keypresses
+                */
+               dev->init_data.polling_interval = 50;
+               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("probe 0x%02x @ %s: %s\n",
+                       msg_msi.addr, dev->i2c_adap.name,
+                       (1 == rc) ? "yes" : "no");
+               break;
+       case SAA7134_BOARD_KWORLD_PC150U:
+               /* copied and modified from MSI TV@nywhere Plus */
+               dev->init_data.name = "Kworld PC150-U";
+               dev->init_data.get_key = get_key_kworld_pc150u;
+               dev->init_data.ir_codes = RC_MAP_KWORLD_PC150U;
+               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("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;
+               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:
+       case SAA7134_BOARD_BEHOLD_H7:
+       case SAA7134_BOARD_BEHOLD_A7:
+               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 = RC_BIT_NEC;
+               info.addr = 0x2d;
+               break;
+       case SAA7134_BOARD_AVERMEDIA_CARDBUS_501:
+       case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
+               info.addr = 0x40;
+               break;
+       case SAA7134_BOARD_AVERMEDIA_A706:
+               info.addr = 0x41;
+               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 saa7134_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.
+        */
+       smp_mb();
+
+       if (!timer_pending(&ir->timer)) {
+               timeout = jiffies + msecs_to_jiffies(15);
+               mod_timer(&ir->timer, timeout);
+       }
+
+       return 1;
+}