[media] rc-core: do not change 32bit NEC scancode format for now
This reverts 18bc174481 and changes
the code at img-ir-nec.c to use the order used by the other NEC decoders.
The original patch ignored the fact that NEC32 scancodes are generated not
only in the NEC raw decoder but also directly in some drivers. Whichever
approach is chosen it should be consistent across drivers and this patch
needs more discussion.
Furthermore, I'm convinced that we have to stop playing games trying to
decipher the "meaning" of NEC scancodes (what's the customer/vendor/address,
which byte is the MSB, etc).
Signed-off-by: David Härdeman <david@hardeman.nu>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
David Härdeman
Mauro Carvalho Chehab
Родитель
f5ef59288d
Коммит
42f5e630e0
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@ -5,6 +5,7 @@
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*/
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#include "img-ir-hw.h"
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#include <linux/bitrev.h>
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/* Convert NEC data to a scancode */
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static int img_ir_nec_scancode(int len, u64 raw, int *scancode, u64 protocols)
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@ -22,11 +23,11 @@ static int img_ir_nec_scancode(int len, u64 raw, int *scancode, u64 protocols)
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data_inv = (raw >> 24) & 0xff;
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if ((data_inv ^ data) != 0xff) {
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/* 32-bit NEC (used by Apple and TiVo remotes) */
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/* scan encoding: aaAAddDD */
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*scancode = addr_inv << 24 |
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addr << 16 |
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data_inv << 8 |
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data;
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/* scan encoding: as transmitted, MSBit = first received bit */
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*scancode = bitrev8(addr) << 24 |
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bitrev8(addr_inv) << 16 |
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bitrev8(data) << 8 |
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bitrev8(data_inv);
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} else if ((addr_inv ^ addr) != 0xff) {
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/* Extended NEC */
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/* scan encoding: AAaaDD */
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@ -54,13 +55,15 @@ static int img_ir_nec_filter(const struct rc_scancode_filter *in,
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if ((in->data | in->mask) & 0xff000000) {
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/* 32-bit NEC (used by Apple and TiVo remotes) */
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/* scan encoding: aaAAddDD */
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addr_inv = (in->data >> 24) & 0xff;
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addr_inv_m = (in->mask >> 24) & 0xff;
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addr = (in->data >> 16) & 0xff;
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addr_m = (in->mask >> 16) & 0xff;
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data_inv = (in->data >> 8) & 0xff;
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data_inv_m = (in->mask >> 8) & 0xff;
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/* scan encoding: as transmitted, MSBit = first received bit */
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addr = bitrev8(in->data >> 24);
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addr_m = bitrev8(in->mask >> 24);
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addr_inv = bitrev8(in->data >> 16);
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addr_inv_m = bitrev8(in->mask >> 16);
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data = bitrev8(in->data >> 8);
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data_m = bitrev8(in->mask >> 8);
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data_inv = bitrev8(in->data >> 0);
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data_inv_m = bitrev8(in->mask >> 0);
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} else if ((in->data | in->mask) & 0x00ff0000) {
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/* Extended NEC */
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/* scan encoding AAaaDD */
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@ -172,10 +172,7 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev)
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if (send_32bits) {
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/* NEC transport, but modified protocol, used by at
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* least Apple and TiVo remotes */
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scancode = not_address << 24 |
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address << 16 |
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not_command << 8 |
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command;
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scancode = data->bits;
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IR_dprintk(1, "NEC (modified) scancode 0x%08x\n", scancode);
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} else if ((address ^ not_address) != 0xff) {
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/* Extended NEC */
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@ -15,62 +15,62 @@
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* Initial mapping is for the TiVo remote included in the Nero LiquidTV bundle,
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* which also ships with a TiVo-branded IR transceiver, supported by the mceusb
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* driver. Note that the remote uses an NEC-ish protocol, but instead of having
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* a command/not_command pair, it has a vendor ID of 0x3085, but some keys, the
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* a command/not_command pair, it has a vendor ID of 0xa10c, but some keys, the
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* NEC extended checksums do pass, so the table presently has the intended
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* values and the checksum-passed versions for those keys.
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*/
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static struct rc_map_table tivo[] = {
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{ 0x3085f009, KEY_MEDIA }, /* TiVo Button */
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{ 0x3085e010, KEY_POWER2 }, /* TV Power */
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{ 0x3085e011, KEY_TV }, /* Live TV/Swap */
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{ 0x3085c034, KEY_VIDEO_NEXT }, /* TV Input */
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{ 0x3085e013, KEY_INFO },
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{ 0x3085a05f, KEY_CYCLEWINDOWS }, /* Window */
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{ 0xa10c900f, KEY_MEDIA }, /* TiVo Button */
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{ 0xa10c0807, KEY_POWER2 }, /* TV Power */
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{ 0xa10c8807, KEY_TV }, /* Live TV/Swap */
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{ 0xa10c2c03, KEY_VIDEO_NEXT }, /* TV Input */
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{ 0xa10cc807, KEY_INFO },
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{ 0xa10cfa05, KEY_CYCLEWINDOWS }, /* Window */
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{ 0x0085305f, KEY_CYCLEWINDOWS },
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{ 0x3085c036, KEY_EPG }, /* Guide */
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{ 0xa10c6c03, KEY_EPG }, /* Guide */
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{ 0x3085e014, KEY_UP },
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{ 0x3085e016, KEY_DOWN },
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{ 0x3085e017, KEY_LEFT },
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{ 0x3085e015, KEY_RIGHT },
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{ 0xa10c2807, KEY_UP },
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{ 0xa10c6807, KEY_DOWN },
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{ 0xa10ce807, KEY_LEFT },
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{ 0xa10ca807, KEY_RIGHT },
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{ 0x3085e018, KEY_SCROLLDOWN }, /* Red Thumbs Down */
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{ 0x3085e019, KEY_SELECT },
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{ 0x3085e01a, KEY_SCROLLUP }, /* Green Thumbs Up */
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{ 0xa10c1807, KEY_SCROLLDOWN }, /* Red Thumbs Down */
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{ 0xa10c9807, KEY_SELECT },
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{ 0xa10c5807, KEY_SCROLLUP }, /* Green Thumbs Up */
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{ 0x3085e01c, KEY_VOLUMEUP },
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{ 0x3085e01d, KEY_VOLUMEDOWN },
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{ 0x3085e01b, KEY_MUTE },
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{ 0x3085d020, KEY_RECORD },
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{ 0x3085e01e, KEY_CHANNELUP },
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{ 0x3085e01f, KEY_CHANNELDOWN },
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{ 0xa10c3807, KEY_VOLUMEUP },
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{ 0xa10cb807, KEY_VOLUMEDOWN },
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{ 0xa10cd807, KEY_MUTE },
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{ 0xa10c040b, KEY_RECORD },
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{ 0xa10c7807, KEY_CHANNELUP },
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{ 0xa10cf807, KEY_CHANNELDOWN },
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{ 0x0085301f, KEY_CHANNELDOWN },
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{ 0x3085d021, KEY_PLAY },
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{ 0x3085d023, KEY_PAUSE },
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{ 0x3085d025, KEY_SLOW },
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{ 0x3085d022, KEY_REWIND },
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{ 0x3085d024, KEY_FASTFORWARD },
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{ 0x3085d026, KEY_PREVIOUS },
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{ 0x3085d027, KEY_NEXT }, /* ->| */
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{ 0xa10c840b, KEY_PLAY },
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{ 0xa10cc40b, KEY_PAUSE },
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{ 0xa10ca40b, KEY_SLOW },
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{ 0xa10c440b, KEY_REWIND },
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{ 0xa10c240b, KEY_FASTFORWARD },
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{ 0xa10c640b, KEY_PREVIOUS },
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{ 0xa10ce40b, KEY_NEXT }, /* ->| */
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{ 0x3085b044, KEY_ZOOM }, /* Aspect */
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{ 0x3085b048, KEY_STOP },
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{ 0x3085b04a, KEY_DVD }, /* DVD Menu */
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{ 0xa10c220d, KEY_ZOOM }, /* Aspect */
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{ 0xa10c120d, KEY_STOP },
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{ 0xa10c520d, KEY_DVD }, /* DVD Menu */
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{ 0x3085d028, KEY_NUMERIC_1 },
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{ 0x3085d029, KEY_NUMERIC_2 },
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{ 0x3085d02a, KEY_NUMERIC_3 },
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{ 0x3085d02b, KEY_NUMERIC_4 },
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{ 0x3085d02c, KEY_NUMERIC_5 },
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{ 0x3085d02d, KEY_NUMERIC_6 },
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{ 0x3085d02e, KEY_NUMERIC_7 },
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{ 0x3085d02f, KEY_NUMERIC_8 },
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{ 0xa10c140b, KEY_NUMERIC_1 },
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{ 0xa10c940b, KEY_NUMERIC_2 },
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{ 0xa10c540b, KEY_NUMERIC_3 },
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{ 0xa10cd40b, KEY_NUMERIC_4 },
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{ 0xa10c340b, KEY_NUMERIC_5 },
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{ 0xa10cb40b, KEY_NUMERIC_6 },
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{ 0xa10c740b, KEY_NUMERIC_7 },
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{ 0xa10cf40b, KEY_NUMERIC_8 },
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{ 0x0085302f, KEY_NUMERIC_8 },
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{ 0x3085c030, KEY_NUMERIC_9 },
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{ 0x3085c031, KEY_NUMERIC_0 },
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{ 0x3085c033, KEY_ENTER },
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{ 0x3085c032, KEY_CLEAR },
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{ 0xa10c0c03, KEY_NUMERIC_9 },
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{ 0xa10c8c03, KEY_NUMERIC_0 },
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{ 0xa10ccc03, KEY_ENTER },
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{ 0xa10c4c03, KEY_CLEAR },
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};
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static struct rc_map_list tivo_map = {
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