media: rc: per-protocol repeat period
CEC needs a keypress timeout of 550ms, which is too high for the IR protocols. Also fill in known repeat times, with 50ms error margin. Also, combine all protocol data into one structure. Signed-off-by: Sean Young <sean@mess.org> Suggested-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Sean Young
Mauro Carvalho Chehab
parent
12c3b9b921
commit
d57ea877af
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@ -30,8 +30,54 @@
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#define IR_TAB_MAX_SIZE 8192
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#define RC_DEV_MAX 256
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/* FIXME: IR_KEYPRESS_TIMEOUT should be protocol specific */
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#define IR_KEYPRESS_TIMEOUT 250
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static const struct {
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const char *name;
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unsigned int repeat_period;
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unsigned int scancode_bits;
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} protocols[] = {
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[RC_TYPE_UNKNOWN] = { .name = "unknown", .repeat_period = 250 },
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[RC_TYPE_OTHER] = { .name = "other", .repeat_period = 250 },
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[RC_TYPE_RC5] = { .name = "rc-5",
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.scancode_bits = 0x1f7f, .repeat_period = 164 },
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[RC_TYPE_RC5X_20] = { .name = "rc-5x-20",
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.scancode_bits = 0x1f7f3f, .repeat_period = 164 },
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[RC_TYPE_RC5_SZ] = { .name = "rc-5-sz",
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.scancode_bits = 0x2fff, .repeat_period = 164 },
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[RC_TYPE_JVC] = { .name = "jvc",
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.scancode_bits = 0xffff, .repeat_period = 250 },
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[RC_TYPE_SONY12] = { .name = "sony-12",
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.scancode_bits = 0x1f007f, .repeat_period = 100 },
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[RC_TYPE_SONY15] = { .name = "sony-15",
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.scancode_bits = 0xff007f, .repeat_period = 100 },
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[RC_TYPE_SONY20] = { .name = "sony-20",
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.scancode_bits = 0x1fff7f, .repeat_period = 100 },
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[RC_TYPE_NEC] = { .name = "nec",
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.scancode_bits = 0xffff, .repeat_period = 160 },
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[RC_TYPE_NECX] = { .name = "nec-x",
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.scancode_bits = 0xffffff, .repeat_period = 160 },
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[RC_TYPE_NEC32] = { .name = "nec-32",
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.scancode_bits = 0xffffffff, .repeat_period = 160 },
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[RC_TYPE_SANYO] = { .name = "sanyo",
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.scancode_bits = 0x1fffff, .repeat_period = 250 },
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[RC_TYPE_MCIR2_KBD] = { .name = "mcir2-kbd",
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.scancode_bits = 0xffff, .repeat_period = 150 },
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[RC_TYPE_MCIR2_MSE] = { .name = "mcir2-mse",
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.scancode_bits = 0x1fffff, .repeat_period = 150 },
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[RC_TYPE_RC6_0] = { .name = "rc-6-0",
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.scancode_bits = 0xffff, .repeat_period = 164 },
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[RC_TYPE_RC6_6A_20] = { .name = "rc-6-6a-20",
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.scancode_bits = 0xfffff, .repeat_period = 164 },
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[RC_TYPE_RC6_6A_24] = { .name = "rc-6-6a-24",
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.scancode_bits = 0xffffff, .repeat_period = 164 },
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[RC_TYPE_RC6_6A_32] = { .name = "rc-6-6a-32",
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.scancode_bits = 0xffffffff, .repeat_period = 164 },
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[RC_TYPE_RC6_MCE] = { .name = "rc-6-mce",
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.scancode_bits = 0xffff7fff, .repeat_period = 164 },
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[RC_TYPE_SHARP] = { .name = "sharp",
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.scancode_bits = 0x1fff, .repeat_period = 250 },
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[RC_TYPE_XMP] = { .name = "xmp", .repeat_period = 250 },
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[RC_TYPE_CEC] = { .name = "cec", .repeat_period = 550 },
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};
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/* Used to keep track of known keymaps */
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static LIST_HEAD(rc_map_list);
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@ -613,6 +659,7 @@ static void ir_timer_keyup(unsigned long cookie)
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void rc_repeat(struct rc_dev *dev)
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{
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unsigned long flags;
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unsigned int timeout = protocols[dev->last_protocol].repeat_period;
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spin_lock_irqsave(&dev->keylock, flags);
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@ -622,7 +669,7 @@ void rc_repeat(struct rc_dev *dev)
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input_event(dev->input_dev, EV_MSC, MSC_SCAN, dev->last_scancode);
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input_sync(dev->input_dev);
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dev->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT);
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dev->keyup_jiffies = jiffies + msecs_to_jiffies(timeout);
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mod_timer(&dev->timer_keyup, dev->keyup_jiffies);
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out:
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@ -692,7 +739,8 @@ void rc_keydown(struct rc_dev *dev, enum rc_type protocol, u32 scancode, u8 togg
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ir_do_keydown(dev, protocol, scancode, keycode, toggle);
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if (dev->keypressed) {
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dev->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT);
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dev->keyup_jiffies = jiffies +
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msecs_to_jiffies(protocols[protocol].repeat_period);
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mod_timer(&dev->timer_keyup, dev->keyup_jiffies);
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}
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spin_unlock_irqrestore(&dev->keylock, flags);
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@ -733,33 +781,14 @@ EXPORT_SYMBOL_GPL(rc_keydown_notimeout);
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static int rc_validate_filter(struct rc_dev *dev,
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struct rc_scancode_filter *filter)
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{
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static const u32 masks[] = {
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[RC_TYPE_RC5] = 0x1f7f,
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[RC_TYPE_RC5X_20] = 0x1f7f3f,
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[RC_TYPE_RC5_SZ] = 0x2fff,
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[RC_TYPE_SONY12] = 0x1f007f,
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[RC_TYPE_SONY15] = 0xff007f,
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[RC_TYPE_SONY20] = 0x1fff7f,
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[RC_TYPE_JVC] = 0xffff,
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[RC_TYPE_NEC] = 0xffff,
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[RC_TYPE_NECX] = 0xffffff,
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[RC_TYPE_NEC32] = 0xffffffff,
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[RC_TYPE_SANYO] = 0x1fffff,
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[RC_TYPE_MCIR2_KBD] = 0xffff,
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[RC_TYPE_MCIR2_MSE] = 0x1fffff,
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[RC_TYPE_RC6_0] = 0xffff,
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[RC_TYPE_RC6_6A_20] = 0xfffff,
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[RC_TYPE_RC6_6A_24] = 0xffffff,
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[RC_TYPE_RC6_6A_32] = 0xffffffff,
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[RC_TYPE_RC6_MCE] = 0xffff7fff,
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[RC_TYPE_SHARP] = 0x1fff,
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};
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u32 s = filter->data;
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u32 mask, s = filter->data;
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enum rc_type protocol = dev->wakeup_protocol;
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if (protocol >= ARRAY_SIZE(masks))
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if (protocol >= ARRAY_SIZE(protocols))
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return -EINVAL;
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mask = protocols[protocol].scancode_bits;
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switch (protocol) {
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case RC_TYPE_NECX:
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if ((((s >> 16) ^ ~(s >> 8)) & 0xff) == 0)
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@ -781,14 +810,13 @@ static int rc_validate_filter(struct rc_dev *dev,
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break;
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}
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filter->data &= masks[protocol];
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filter->mask &= masks[protocol];
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filter->data &= mask;
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filter->mask &= mask;
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/*
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* If we have to raw encode the IR for wakeup, we cannot have a mask
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*/
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if (dev->encode_wakeup &&
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filter->mask != 0 && filter->mask != masks[protocol])
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if (dev->encode_wakeup && filter->mask != 0 && filter->mask != mask)
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return -EINVAL;
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return 0;
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@ -1301,40 +1329,6 @@ unlock:
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return (ret < 0) ? ret : len;
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}
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/*
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* This is the list of all variants of all protocols, which is used by
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* the wakeup_protocols sysfs entry. In the protocols sysfs entry some
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* some protocols are grouped together (e.g. nec = nec + necx + nec32).
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*
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* For wakeup we need to know the exact protocol variant so the hardware
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* can be programmed exactly what to expect.
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*/
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static const char * const proto_variant_names[] = {
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[RC_TYPE_UNKNOWN] = "unknown",
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[RC_TYPE_OTHER] = "other",
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[RC_TYPE_RC5] = "rc-5",
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[RC_TYPE_RC5X_20] = "rc-5x-20",
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[RC_TYPE_RC5_SZ] = "rc-5-sz",
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[RC_TYPE_JVC] = "jvc",
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[RC_TYPE_SONY12] = "sony-12",
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[RC_TYPE_SONY15] = "sony-15",
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[RC_TYPE_SONY20] = "sony-20",
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[RC_TYPE_NEC] = "nec",
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[RC_TYPE_NECX] = "nec-x",
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[RC_TYPE_NEC32] = "nec-32",
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[RC_TYPE_SANYO] = "sanyo",
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[RC_TYPE_MCIR2_KBD] = "mcir2-kbd",
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[RC_TYPE_MCIR2_MSE] = "mcir2-mse",
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[RC_TYPE_RC6_0] = "rc-6-0",
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[RC_TYPE_RC6_6A_20] = "rc-6-6a-20",
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[RC_TYPE_RC6_6A_24] = "rc-6-6a-24",
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[RC_TYPE_RC6_6A_32] = "rc-6-6a-32",
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[RC_TYPE_RC6_MCE] = "rc-6-mce",
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[RC_TYPE_SHARP] = "sharp",
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[RC_TYPE_XMP] = "xmp",
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[RC_TYPE_CEC] = "cec",
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};
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/**
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* show_wakeup_protocols() - shows the wakeup IR protocol
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* @device: the device descriptor
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@ -1369,14 +1363,12 @@ static ssize_t show_wakeup_protocols(struct device *device,
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IR_dprintk(1, "%s: allowed - 0x%llx, enabled - %d\n",
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__func__, (long long)allowed, enabled);
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for (i = 0; i < ARRAY_SIZE(proto_variant_names); i++) {
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for (i = 0; i < ARRAY_SIZE(protocols); i++) {
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if (allowed & (1ULL << i)) {
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if (i == enabled)
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tmp += sprintf(tmp, "[%s] ",
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proto_variant_names[i]);
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tmp += sprintf(tmp, "[%s] ", protocols[i].name);
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else
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tmp += sprintf(tmp, "%s ",
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proto_variant_names[i]);
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tmp += sprintf(tmp, "%s ", protocols[i].name);
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}
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}
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@ -1418,15 +1410,15 @@ static ssize_t store_wakeup_protocols(struct device *device,
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if (sysfs_streq(buf, "none")) {
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protocol = RC_TYPE_UNKNOWN;
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} else {
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for (i = 0; i < ARRAY_SIZE(proto_variant_names); i++) {
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for (i = 0; i < ARRAY_SIZE(protocols); i++) {
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if ((allowed & (1ULL << i)) &&
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sysfs_streq(buf, proto_variant_names[i])) {
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sysfs_streq(buf, protocols[i].name)) {
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protocol = i;
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break;
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}
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}
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if (i == ARRAY_SIZE(proto_variant_names)) {
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if (i == ARRAY_SIZE(protocols)) {
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rc = -EINVAL;
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goto out;
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}
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