V4L/DVB (13634): ir-core: allow passing IR device parameters to ir-core

Adds an structure to ir_input_register to contain IR device characteristics,
like supported protocols and a callback to handle protocol event changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

15 files changed, 39 insertions, 26 deletions

diff --git a/drivers/media/IR/ir-functions.c b/drivers/media/IR/ir-functions.c
index 776a136616d6..b501ac9d401d 100644
--- a/drivers/media/IR/ir-functions.c
+++ b/drivers/media/IR/ir-functions.c
@@ -52,7 +52,7 @@ static void ir_input_key_event(struct input_dev *dev, struct ir_input_state *ir)
 /* -------------------------------------------------------------------------- */
 
 int ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
-                   int ir_type)
+                  const enum ir_type ir_type)
 {
         ir->ir_type = ir_type;
 
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index 8097561ec66f..b2d498c3183a 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -89,6 +89,8 @@ EXPORT_SYMBOL_GPL(ir_roundup_tablesize);
  * @origin:     origin table
  *
  * Copies all entries where the keycode is not KEY_UNKNOWN/KEY_RESERVED
+ * Also copies table size and table protocol.
+ * NOTE: It shouldn't copy the lock field
  */
 
 int ir_copy_table(struct ir_scancode_table *destin,
@@ -105,6 +107,7 @@ int ir_copy_table(struct ir_scancode_table *destin,
                 j++;
         }
         destin->size = j;
+        destin->ir_type = origin->ir_type;
 
         IR_dprintk(1, "Copied %d scancodes to the new keycode table\n", destin->size);
 
@@ -404,7 +407,8 @@ EXPORT_SYMBOL_GPL(ir_g_keycode_from_table);
  * It should be called before registering the IR device.
  */
 int ir_input_register(struct input_dev *input_dev,
-                      struct ir_scancode_table *rc_tab)
+                      const struct ir_scancode_table *rc_tab,
+                      const struct ir_dev_props *props)
 {
         struct ir_input_dev *ir_dev;
         struct ir_scancode  *keymap    = rc_tab->scan;
@@ -417,7 +421,7 @@ int ir_input_register(struct input_dev *input_dev,
         if (!ir_dev)
                 return -ENOMEM;
 
-        spin_lock_init(&rc_tab->lock);
+        spin_lock_init(&ir_dev->rc_tab.lock);
 
         ir_dev->rc_tab.size = ir_roundup_tablesize(rc_tab->size);
         ir_dev->rc_tab.scan = kzalloc(ir_dev->rc_tab.size *
@@ -430,6 +434,7 @@ int ir_input_register(struct input_dev *input_dev,
                 ir_dev->rc_tab.size * sizeof(ir_dev->rc_tab.scan));
 
         ir_copy_table(&ir_dev->rc_tab, rc_tab);
+        ir_dev->props = props;
 
         /* set the bits for the keys */
         IR_dprintk(1, "key map size: %d\n", rc_tab->size);
diff --git a/drivers/media/dvb/dm1105/dm1105.c b/drivers/media/dvb/dm1105/dm1105.c
index f0f483ac8b89..414d3b2444a2 100644
--- a/drivers/media/dvb/dm1105/dm1105.c
+++ b/drivers/media/dvb/dm1105/dm1105.c
@@ -578,7 +578,7 @@ int __devinit dm1105_ir_init(struct dm1105dvb *dm1105)
 {
         struct input_dev *input_dev;
         struct ir_scancode_table *ir_codes = &ir_codes_dm1105_nec_table;
-        int ir_type = IR_TYPE_OTHER;
+        enum ir_type ir_type = IR_TYPE_OTHER;
         int err = -ENOMEM;
 
         input_dev = input_allocate_device();
@@ -611,7 +611,7 @@ int __devinit dm1105_ir_init(struct dm1105dvb *dm1105)
 
         INIT_WORK(&dm1105->ir.work, dm1105_emit_key);
 
-        err = ir_input_register(input_dev, ir_codes);
+        err = ir_input_register(input_dev, ir_codes, NULL);
 
         return err;
 }
diff --git a/drivers/media/dvb/mantis/mantis_input.c b/drivers/media/dvb/mantis/mantis_input.c
index 6a9df779441f..4675a3b53c7d 100644
--- a/drivers/media/dvb/mantis/mantis_input.c
+++ b/drivers/media/dvb/mantis/mantis_input.c
@@ -126,7 +126,7 @@ int mantis_input_init(struct mantis_pci *mantis)
         rc->id.version  = 1;
         rc->dev         = mantis->pdev->dev;
 
-        err = ir_input_register(rc, &ir_mantis);
+        err = ir_input_register(rc, &ir_mantis, NULL);
         if (err) {
                 dprintk(MANTIS_ERROR, 1, "IR device registration failed, ret = %d", err);
                 input_free_device(rc);
diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c
index 9782e0593733..49c2a817a06f 100644
--- a/drivers/media/dvb/ttpci/budget-ci.c
+++ b/drivers/media/dvb/ttpci/budget-ci.c
@@ -254,7 +254,7 @@ static int msp430_ir_init(struct budget_ci *budget_ci)
         budget_ci->ir.timer_keyup.function = msp430_ir_keyup;
         budget_ci->ir.timer_keyup.data = (unsigned long) &budget_ci->ir;
         budget_ci->ir.last_raw = 0xffff; /* An impossible value */
-        error = ir_input_register(input_dev, ir_codes);
+        error = ir_input_register(input_dev, ir_codes, NULL);
         if (error) {
                 printk(KERN_ERR "budget_ci: could not init driver for IR device (code %d)\n", error);
                 return error;
diff --git a/drivers/media/video/bt8xx/bttv-input.c b/drivers/media/video/bt8xx/bttv-input.c
index 277a092e1214..f8053fd88346 100644
--- a/drivers/media/video/bt8xx/bttv-input.c
+++ b/drivers/media/video/bt8xx/bttv-input.c
@@ -247,7 +247,7 @@ int bttv_input_init(struct bttv *btv)
         struct card_ir *ir;
         struct ir_scancode_table *ir_codes = NULL;
         struct input_dev *input_dev;
-        int ir_type = IR_TYPE_OTHER;
+        enum ir_type ir_type = IR_TYPE_OTHER;
         int err = -ENOMEM;
 
         if (!btv->has_remote)
@@ -389,7 +389,7 @@ int bttv_input_init(struct bttv *btv)
         bttv_ir_start(btv, ir);
 
         /* all done */
-        err = ir_input_register(btv->remote->dev, ir_codes);
+        err = ir_input_register(btv->remote->dev, ir_codes, NULL);
         if (err)
                 goto err_out_stop;
 
diff --git a/drivers/media/video/cx231xx/cx231xx-input.c b/drivers/media/video/cx231xx/cx231xx-input.c
index 15826f98b688..c5771db3bfce 100644
--- a/drivers/media/video/cx231xx/cx231xx-input.c
+++ b/drivers/media/video/cx231xx/cx231xx-input.c
@@ -216,7 +216,7 @@ int cx231xx_ir_init(struct cx231xx *dev)
         cx231xx_ir_start(ir);
 
         /* all done */
-        err = ir_input_register(ir->input, dev->board.ir_codes);
+        err = ir_input_register(ir->input, dev->board.ir_codes, NULL);
         if (err)
                 goto err_out_stop;
 
diff --git a/drivers/media/video/cx23885/cx23885-input.c b/drivers/media/video/cx23885/cx23885-input.c
index 768eec92ccf9..9c6620f86dca 100644
--- a/drivers/media/video/cx23885/cx23885-input.c
+++ b/drivers/media/video/cx23885/cx23885-input.c
@@ -397,7 +397,7 @@ int cx23885_input_init(struct cx23885_dev *dev)
         dev->ir_input = ir;
         cx23885_input_ir_start(dev);
 
-        ret = ir_input_register(ir->dev, ir_codes);
+        ret = ir_input_register(ir->dev, ir_codes, NULL);
         if (ret)
                 goto err_out_stop;
 
diff --git a/drivers/media/video/cx88/cx88-input.c b/drivers/media/video/cx88/cx88-input.c
index f9fda18b410c..49c07535e754 100644
--- a/drivers/media/video/cx88/cx88-input.c
+++ b/drivers/media/video/cx88/cx88-input.c
@@ -192,7 +192,7 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
         struct cx88_IR *ir;
         struct input_dev *input_dev;
         struct ir_scancode_table *ir_codes = NULL;
-        int ir_type = IR_TYPE_OTHER;
+        enum ir_type ir_type = IR_TYPE_OTHER;
         int err = -ENOMEM;
 
         ir = kzalloc(sizeof(*ir), GFP_KERNEL);
@@ -383,7 +383,7 @@ int cx88_ir_init(struct cx88_core *core, struct pci_dev *pci)
         cx88_ir_start(core, ir);
 
         /* all done */
-        err = ir_input_register(ir->input, ir_codes);
+        err = ir_input_register(ir->input, ir_codes, NULL);
         if (err)
                 goto err_out_stop;
 
diff --git a/drivers/media/video/em28xx/em28xx-input.c b/drivers/media/video/em28xx/em28xx-input.c
index af0d935c29be..fbfbab6841cd 100644
--- a/drivers/media/video/em28xx/em28xx-input.c
+++ b/drivers/media/video/em28xx/em28xx-input.c
@@ -412,7 +412,7 @@ int em28xx_ir_init(struct em28xx *dev)
         em28xx_ir_start(ir);
 
         /* all done */
-        err = ir_input_register(ir->input, dev->board.ir_codes);
+        err = ir_input_register(ir->input, dev->board.ir_codes, NULL);
         if (err)
                 goto err_out_stop;
 
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c
index b86e35386cee..4cd75a3c47d1 100644
--- a/drivers/media/video/ir-kbd-i2c.c
+++ b/drivers/media/video/ir-kbd-i2c.c
@@ -299,7 +299,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
 {
         struct ir_scancode_table *ir_codes = NULL;
         const char *name = NULL;
-        int ir_type = 0;
+        enum ir_type ir_type = 0;
         struct IR_i2c *ir;
         struct input_dev *input_dev;
         struct i2c_adapter *adap = client->adapter;
@@ -446,7 +446,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
         input_dev->name       = ir->name;
         input_dev->phys       = ir->phys;
 
-        err = ir_input_register(ir->input, ir->ir_codes);
+        err = ir_input_register(ir->input, ir->ir_codes, NULL);
         if (err)
                 goto err_out_free;
 
diff --git a/drivers/media/video/saa7134/saa7134-input.c b/drivers/media/video/saa7134/saa7134-input.c
index f8e985989ca0..71b4b01824ac 100644
--- a/drivers/media/video/saa7134/saa7134-input.c
+++ b/drivers/media/video/saa7134/saa7134-input.c
@@ -460,7 +460,7 @@ int saa7134_input_init1(struct saa7134_dev *dev)
         int polling      = 0;
         int rc5_gpio     = 0;
         int nec_gpio     = 0;
-        int ir_type      = IR_TYPE_OTHER;
+        enum ir_type ir_type = IR_TYPE_OTHER;
         int err;
 
         if (dev->has_remote != SAA7134_REMOTE_GPIO)
@@ -728,7 +728,7 @@ int saa7134_input_init1(struct saa7134_dev *dev)
         dev->remote = ir;
         saa7134_ir_start(dev, ir);
 
-        err = ir_input_register(ir->dev, ir_codes);
+        err = ir_input_register(ir->dev, ir_codes, NULL);
         if (err)
                 goto err_out_stop;
 
diff --git a/include/media/ir-common.h b/include/media/ir-common.h
index 2c6af24b905e..1b43b772165a 100644
--- a/include/media/ir-common.h
+++ b/include/media/ir-common.h
@@ -35,7 +35,7 @@
 
 struct ir_input_state {
         /* configuration */
-        int                ir_type;
+        enum ir_type       ir_type;
 
         /* key info */
         u32                ir_key;      /* ir scancode */
@@ -84,7 +84,7 @@ struct card_ir {
 /* Routines from ir-functions.c */
 
 int ir_input_init(struct input_dev *dev, struct ir_input_state *ir,
-                   int ir_type);
+                   const enum ir_type ir_type);
 void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir);
 void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir,
                       u32 ir_key);
diff --git a/include/media/ir-core.h b/include/media/ir-core.h
index a5a3bda354de..dbdffd1458fb 100644
--- a/include/media/ir-core.h
+++ b/include/media/ir-core.h
@@ -23,10 +23,10 @@ extern int ir_core_debug;
 
 enum ir_type {
         IR_TYPE_UNKNOWN = 0,
-        IR_TYPE_RC5     = 1,
-        IR_TYPE_PD      = 2,             /* Pulse distance encoded IR */
-        IR_TYPE_NEC     = 3,
-        IR_TYPE_OTHER   = 99,
+        IR_TYPE_RC5     = 1L << 0,      /* Philips RC5 protocol */
+        IR_TYPE_PD      = 1L << 1,      /* Pulse distance encoded IR */
+        IR_TYPE_NEC     = 1L << 2,
+        IR_TYPE_OTHER   = 1L << 63,
 };
 
 struct ir_scancode {
@@ -41,12 +41,19 @@ struct ir_scancode_table {
         spinlock_t              lock;
 };
 
+struct ir_dev_props {
+        unsigned long allowed_protos;
+        void            *priv;
+        int (*change_protocol)(void *priv, unsigned long protocol);
+};
+
 struct ir_input_dev {
         struct input_dev                *dev;           /* Input device*/
         struct ir_scancode_table        rc_tab;         /* scan/key table */
         unsigned long                   devno;          /* device number */
         struct attribute_group          attr;           /* IR attributes */
         struct device                   *class_dev;     /* virtual class dev */
+        const struct ir_dev_props       *props;         /* Device properties */
 };
 
 /* Routines from ir-keytable.c */
@@ -59,7 +66,8 @@ int ir_set_keycode_table(struct input_dev *input_dev,
 
 int ir_roundup_tablesize(int n_elems);
 int ir_input_register(struct input_dev *dev,
-                      struct ir_scancode_table *ir_codes);
+                      const struct ir_scancode_table *ir_codes,
+                      const struct ir_dev_props *props);
 void ir_input_unregister(struct input_dev *input_dev);
 
 /* Routines from ir-sysfs.c */
diff --git a/include/media/ir-kbd-i2c.h b/include/media/ir-kbd-i2c.h
index aaf65e8b1a40..45926e3559f3 100644
--- a/include/media/ir-kbd-i2c.h
+++ b/include/media/ir-kbd-i2c.h
@@ -36,7 +36,7 @@ enum ir_kbd_get_key_fn {
 struct IR_i2c_init_data {
         struct ir_scancode_table *ir_codes;
         const char             *name;
-        int                    type; /* IR_TYPE_RC5, IR_TYPE_PD, etc */
+        enum ir_type           type; /* IR_TYPE_RC5, IR_TYPE_PD, etc */
         /*
          * Specify either a function pointer or a value indicating one of
          * ir_kbd_i2c's internal get_key functions