diff options
author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-09-23 02:24:04 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 03:06:07 (GMT) |
commit | c0c46826274a4da5d9e312d7cfd4ca0806c0a358 (patch) | |
tree | e3237889f6ee931f674f46ce72f1844796899b77 /drivers/media/video/bt8xx/bttv-input.c | |
parent | 8403472f19fea7e7cec7899e998f38b899e59604 (diff) | |
download | linux-fsl-qoriq-c0c46826274a4da5d9e312d7cfd4ca0806c0a358.tar.xz |
V4L/DVB: bttv: Move PV951 IR to the right driver
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/bt8xx/bttv-input.c')
-rw-r--r-- | drivers/media/video/bt8xx/bttv-input.c | 84 |
1 files changed, 77 insertions, 7 deletions
diff --git a/drivers/media/video/bt8xx/bttv-input.c b/drivers/media/video/bt8xx/bttv-input.c index f68717a..6bf05a7 100644 --- a/drivers/media/video/bt8xx/bttv-input.c +++ b/drivers/media/video/bt8xx/bttv-input.c @@ -245,6 +245,83 @@ static void bttv_ir_stop(struct bttv *btv) } } +/* + * Get_key functions used by I2C remotes + */ + +static int get_key_pv951(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) +{ + unsigned char b; + + /* poll IR chip */ + if (1 != i2c_master_recv(ir->c, &b, 1)) { + dprintk(KERN_INFO DEVNAME ": read error\n"); + return -EIO; + } + + /* ignore 0xaa */ + if (b==0xaa) + return 0; + dprintk(KERN_INFO DEVNAME ": key %02x\n", b); + + *ir_key = b; + *ir_raw = b; + return 1; +} + +/* Instantiate the I2C IR receiver device, if present */ +void __devinit init_bttv_i2c_ir(struct bttv *btv) +{ + const unsigned short addr_list[] = { + 0x1a, 0x18, 0x64, 0x30, 0x71, + I2C_CLIENT_END + }; + struct i2c_board_info info; + + if (0 != btv->i2c_rc) + return; + + memset(&info, 0, sizeof(struct i2c_board_info)); + memset(&btv->init_data, 0, sizeof(btv->init_data)); + strlcpy(info.type, "ir_video", I2C_NAME_SIZE); + + switch (btv->c.type) { + case BTTV_BOARD_PV951: + btv->init_data.name = "PV951"; + btv->init_data.get_key = get_key_pv951; + btv->init_data.ir_codes = RC_MAP_PV951; + btv->init_data.type = IR_TYPE_OTHER; + info.addr = 0x4b; + break; + default: + /* + * The external IR receiver is at i2c address 0x34 (0x35 for + * reads). Future Hauppauge cards will have an internal + * receiver at 0x30 (0x31 for reads). In theory, both can be + * fitted, and Hauppauge suggest an external overrides an + * internal. + * That's why we probe 0x1a (~0x34) first. CB + */ + + i2c_new_probed_device(&btv->c.i2c_adap, &info, addr_list, NULL); + return; + } + + if (btv->init_data.name) + info.platform_data = &btv->init_data; + i2c_new_device(&btv->c.i2c_adap, &info); + + return; +} + +int __devexit fini_bttv_i2c(struct bttv *btv) +{ + if (0 != btv->i2c_rc) + return 0; + + return i2c_del_adapter(&btv->c.i2c_adap); +} + int bttv_input_init(struct bttv *btv) { struct card_ir *ir; @@ -420,10 +497,3 @@ void bttv_input_fini(struct bttv *btv) kfree(btv->remote); btv->remote = NULL; } - - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |