diff options
| author | Jan Frey <jfrey@gmx.de> | 2007-06-25 21:34:06 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-07-18 21:24:20 +0400 |
| commit | 39cf1e810a6b464a8469bf318f21206d84ffb1d8 (patch) | |
| tree | 40beb346b58504f511d5936ce583924f24e4e637 /drivers/media/video/ir-kbd-i2c.c | |
| parent | 434b25263a236c9dd980617d69863ba0eff8c744 (diff) | |
| download | linux-39cf1e810a6b464a8469bf318f21206d84ffb1d8.tar.xz | |
V4L/DVB (5786): Ir-kbd-i2c: add support for Hauppauge HVR1300 remote
- add support for the I2C based IR transceiver of the Hauppauge HVR-1300
- remove bad code from cx88-input.c
Signed-off-by: Jan Frey <jfrey@gmx.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
| -rw-r--r-- | drivers/media/video/ir-kbd-i2c.c | 50 |
1 files changed, 39 insertions, 11 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index cd84d060b8e1..2d709e064679 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -37,6 +37,7 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/i2c.h> +#include <linux/i2c-id.h> #include <linux/workqueue.h> #include <asm/semaphore.h> @@ -60,21 +61,22 @@ MODULE_PARM_DESC(hauppauge, "Specify Hauppauge remote: 0=black, 1=grey (defaults /* ----------------------------------------------------------------------- */ -static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) +static int get_key_haup_common(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw, + int size, int offset) { - unsigned char buf[3]; + unsigned char buf[6]; int start, range, toggle, dev, code; /* poll IR chip */ - if (3 != i2c_master_recv(&ir->c,buf,3)) + if (size != i2c_master_recv(&ir->c,buf,size)) return -EIO; /* split rc5 data block ... */ - start = (buf[0] >> 7) & 1; - range = (buf[0] >> 6) & 1; - toggle = (buf[0] >> 5) & 1; - dev = buf[0] & 0x1f; - code = (buf[1] >> 2) & 0x3f; + start = (buf[offset] >> 7) & 1; + range = (buf[offset] >> 6) & 1; + toggle = (buf[offset] >> 5) & 1; + dev = buf[offset] & 0x1f; + code = (buf[offset+1] >> 2) & 0x3f; /* rc5 has two start bits * the first bit must be one @@ -96,6 +98,16 @@ static int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) return 1; } +static inline int get_key_haup(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) +{ + return get_key_haup_common (ir, ir_key, ir_raw, 3, 0); +} + +static inline int get_key_haup_xvr(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) +{ + return get_key_haup_common (ir, ir_key, ir_raw, 6, 3); +} + static int get_key_pixelview(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) { unsigned char b; @@ -355,9 +367,21 @@ static int ir_attach(struct i2c_adapter *adap, int addr, case 0x7a: case 0x47: case 0x71: - /* Handled by saa7134-input */ - name = "SAA713x remote"; - ir_type = IR_TYPE_OTHER; + if (adap->id == I2C_HW_B_CX2388x) { + /* Handled by cx88-input */ + name = "CX2388x remote"; + ir_type = IR_TYPE_RC5; + ir->get_key = get_key_haup_xvr; + if (hauppauge == 1) { + ir_codes = ir_codes_hauppauge_new; + } else { + ir_codes = ir_codes_rc5_tv; + } + } else { + /* Handled by saa7134-input */ + name = "SAA713x remote"; + ir_type = IR_TYPE_OTHER; + } break; default: /* shouldn't happen */ @@ -451,6 +475,7 @@ static int ir_probe(struct i2c_adapter *adap) static const int probe_bttv[] = { 0x1a, 0x18, 0x4b, 0x64, 0x30, -1}; static const int probe_saa7134[] = { 0x7a, 0x47, 0x71, -1 }; static const int probe_em28XX[] = { 0x30, 0x47, -1 }; + static const int probe_cx88[] = { 0x18, 0x71, -1 }; const int *probe = NULL; struct i2c_client c; unsigned char buf; @@ -469,6 +494,9 @@ static int ir_probe(struct i2c_adapter *adap) case I2C_HW_B_EM28XX: probe = probe_em28XX; break; + case I2C_HW_B_CX2388x: + probe = probe_cx88; + break; } if (NULL == probe) return 0; |