diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-input.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-input.c | 98 |
1 files changed, 58 insertions, 40 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index 56ef49df4f8d..7f06ae59eca6 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -27,6 +27,7 @@ #include <linux/interrupt.h> #include <linux/usb.h> #include <linux/slab.h> +#include <linux/bitrev.h> #include "em28xx.h" @@ -53,6 +54,7 @@ struct em28xx_ir_poll_result { unsigned int toggle_bit:1; unsigned int read_count:7; + enum rc_type protocol; u32 scancode; }; @@ -72,7 +74,7 @@ struct em28xx_IR { /* i2c slave address of external device (if used) */ u16 i2c_dev_addr; - int (*get_key_i2c)(struct i2c_client *, u32 *); + int (*get_key_i2c)(struct i2c_client *ir, enum rc_type *protocol, u32 *scancode); int (*get_key)(struct em28xx_IR *, struct em28xx_ir_poll_result *); }; @@ -80,7 +82,8 @@ struct em28xx_IR { I2C IR based get keycodes - should be used with ir-kbd-i2c **********************************************************/ -static int em28xx_get_key_terratec(struct i2c_client *i2c_dev, u32 *ir_key) +static int em28xx_get_key_terratec(struct i2c_client *i2c_dev, + enum rc_type *protocol, u32 *scancode) { unsigned char b; @@ -98,14 +101,15 @@ static int em28xx_get_key_terratec(struct i2c_client *i2c_dev, u32 *ir_key) /* keep old data */ return 1; - *ir_key = b; + *protocol = RC_TYPE_UNKNOWN; + *scancode = b; return 1; } -static int em28xx_get_key_em_haup(struct i2c_client *i2c_dev, u32 *ir_key) +static int em28xx_get_key_em_haup(struct i2c_client *i2c_dev, + enum rc_type *protocol, u32 *scancode) { unsigned char buf[2]; - u16 code; int size; /* poll IR chip */ @@ -127,26 +131,13 @@ static int em28xx_get_key_em_haup(struct i2c_client *i2c_dev, u32 *ir_key) * So, the code translation is not complete. Yet, it is enough to * work with the provided RC5 IR. */ - code = - ((buf[0] & 0x01) ? 0x0020 : 0) | /* 0010 0000 */ - ((buf[0] & 0x02) ? 0x0010 : 0) | /* 0001 0000 */ - ((buf[0] & 0x04) ? 0x0008 : 0) | /* 0000 1000 */ - ((buf[0] & 0x08) ? 0x0004 : 0) | /* 0000 0100 */ - ((buf[0] & 0x10) ? 0x0002 : 0) | /* 0000 0010 */ - ((buf[0] & 0x20) ? 0x0001 : 0) | /* 0000 0001 */ - ((buf[1] & 0x08) ? 0x1000 : 0) | /* 0001 0000 */ - ((buf[1] & 0x10) ? 0x0800 : 0) | /* 0000 1000 */ - ((buf[1] & 0x20) ? 0x0400 : 0) | /* 0000 0100 */ - ((buf[1] & 0x40) ? 0x0200 : 0) | /* 0000 0010 */ - ((buf[1] & 0x80) ? 0x0100 : 0); /* 0000 0001 */ - - /* return key */ - *ir_key = code; + *protocol = RC_TYPE_RC5; + *scancode = (bitrev8(buf[1]) & 0x1f) << 8 | bitrev8(buf[0]) >> 2; return 1; } static int em28xx_get_key_pinnacle_usb_grey(struct i2c_client *i2c_dev, - u32 *ir_key) + enum rc_type *protocol, u32 *scancode) { unsigned char buf[3]; @@ -158,13 +149,13 @@ static int em28xx_get_key_pinnacle_usb_grey(struct i2c_client *i2c_dev, if (buf[0] != 0x00) return 0; - *ir_key = buf[2]&0x3f; - + *protocol = RC_TYPE_UNKNOWN; + *scancode = buf[2] & 0x3f; return 1; } static int em28xx_get_key_winfast_usbii_deluxe(struct i2c_client *i2c_dev, - u32 *ir_key) + enum rc_type *protocol, u32 *scancode) { unsigned char subaddr, keydetect, key; @@ -184,7 +175,8 @@ static int em28xx_get_key_winfast_usbii_deluxe(struct i2c_client *i2c_dev, if (key == 0x00) return 0; - *ir_key = key; + *protocol = RC_TYPE_UNKNOWN; + *scancode = key; return 1; } @@ -215,7 +207,22 @@ static int default_polling_getkey(struct em28xx_IR *ir, poll_result->read_count = (msg[0] & 0x7f); /* Remote Control Address/Data (Regs 0x46/0x47) */ - poll_result->scancode = msg[1] << 8 | msg[2]; + switch (ir->rc_type) { + case RC_BIT_RC5: + poll_result->protocol = RC_TYPE_RC5; + poll_result->scancode = RC_SCANCODE_RC5(msg[1], msg[2]); + break; + + case RC_BIT_NEC: + poll_result->protocol = RC_TYPE_NEC; + poll_result->scancode = RC_SCANCODE_NEC(msg[1], msg[2]); + break; + + default: + poll_result->protocol = RC_TYPE_UNKNOWN; + poll_result->scancode = msg[1] << 8 | msg[2]; + break; + } return 0; } @@ -247,25 +254,32 @@ static int em2874_polling_getkey(struct em28xx_IR *ir, */ switch (ir->rc_type) { case RC_BIT_RC5: - poll_result->scancode = msg[1] << 8 | msg[2]; + poll_result->protocol = RC_TYPE_RC5; + poll_result->scancode = RC_SCANCODE_RC5(msg[1], msg[2]); break; + case RC_BIT_NEC: + poll_result->protocol = RC_TYPE_RC5; + poll_result->scancode = msg[1] << 8 | msg[2]; if ((msg[3] ^ msg[4]) != 0xff) /* 32 bits NEC */ - poll_result->scancode = (msg[1] << 24) | - (msg[2] << 16) | - (msg[3] << 8) | - msg[4]; + poll_result->scancode = RC_SCANCODE_NEC32((msg[1] << 24) | + (msg[2] << 16) | + (msg[3] << 8) | + (msg[4])); else if ((msg[1] ^ msg[2]) != 0xff) /* 24 bits NEC */ - poll_result->scancode = (msg[1] << 16) | - (msg[2] << 8) | - msg[3]; + poll_result->scancode = RC_SCANCODE_NECX(msg[1] << 8 | + msg[2], msg[3]); else /* Normal NEC */ - poll_result->scancode = msg[1] << 8 | msg[3]; + poll_result->scancode = RC_SCANCODE_NEC(msg[1], msg[3]); break; + case RC_BIT_RC6_0: - poll_result->scancode = msg[1] << 8 | msg[2]; + poll_result->protocol = RC_TYPE_RC6_0; + poll_result->scancode = RC_SCANCODE_RC6_0(msg[1], msg[2]); break; + default: + poll_result->protocol = RC_TYPE_UNKNOWN; poll_result->scancode = (msg[1] << 24) | (msg[2] << 16) | (msg[3] << 8) | msg[4]; break; @@ -281,22 +295,24 @@ static int em2874_polling_getkey(struct em28xx_IR *ir, static int em28xx_i2c_ir_handle_key(struct em28xx_IR *ir) { struct em28xx *dev = ir->dev; - static u32 ir_key; + static u32 scancode; + enum rc_type protocol; int rc; struct i2c_client client; client.adapter = &ir->dev->i2c_adap[dev->def_i2c_bus]; client.addr = ir->i2c_dev_addr; - rc = ir->get_key_i2c(&client, &ir_key); + rc = ir->get_key_i2c(&client, &protocol, &scancode); if (rc < 0) { dprintk("ir->get_key_i2c() failed: %d\n", rc); return rc; } if (rc) { - dprintk("%s: keycode = 0x%04x\n", __func__, ir_key); - rc_keydown(ir->rc, ir_key, 0); + dprintk("%s: proto = 0x%04x, scancode = 0x%04x\n", + __func__, protocol, scancode); + rc_keydown(ir->rc, protocol, scancode, 0); } return 0; } @@ -319,10 +335,12 @@ static void em28xx_ir_handle_key(struct em28xx_IR *ir) poll_result.scancode); if (ir->full_code) rc_keydown(ir->rc, + poll_result.protocol, poll_result.scancode, poll_result.toggle_bit); else rc_keydown(ir->rc, + RC_TYPE_UNKNOWN, poll_result.scancode & 0xff, poll_result.toggle_bit); |