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| author | Andy Walls <awalls@md.metrocast.net> | 2010-12-29 01:46:13 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-30 14:17:14 (GMT) |
| commit | ea6c06033f01216df504b0f337a350778a3bc80e (patch) | |
| tree | 3ec9ca9904c3aeff17f4a3b85f7294850c4175e8 /drivers/media/video/hdpvr/hdpvr-i2c.c | |
| parent | 41ca2b1ac269e2ed64e2562b91fa61cab0b19e7a (diff) | |
| download | linux-ea6c06033f01216df504b0f337a350778a3bc80e.tar.xz | |
[media] hdpvr: Add I2C and ir-kdb-i2c registration of the Zilog Z8 IR chip
Adds I2C registration of the Zilog Z8F0811 IR microcontroller for either
lirc_zilog or ir-kbd-i2c to use. This is a required step in removing
lirc_zilog's use of the deprecated struct i2c_adapter.id field.
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/hdpvr/hdpvr-i2c.c')
| -rw-r--r-- | drivers/media/video/hdpvr/hdpvr-i2c.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/media/video/hdpvr/hdpvr-i2c.c b/drivers/media/video/hdpvr/hdpvr-i2c.c index 409de11..24966aa 100644 --- a/drivers/media/video/hdpvr/hdpvr-i2c.c +++ b/drivers/media/video/hdpvr/hdpvr-i2c.c @@ -4,6 +4,9 @@ * * Copyright (C) 2008 Janne Grunau (j@jannau.net) * + * IR device registration code is + * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net> + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, version 2. @@ -22,6 +25,56 @@ #define REQTYPE_I2C_WRITE 0xb0 #define REQTYPE_I2C_WRITE_STATT 0xd0 +#define Z8F0811_IR_TX_I2C_ADDR 0x70 +#define Z8F0811_IR_RX_I2C_ADDR 0x71 + +static const u8 ir_i2c_addrs[] = { + Z8F0811_IR_TX_I2C_ADDR, + Z8F0811_IR_RX_I2C_ADDR, +}; + +static const char * const ir_devicenames[] = { + "ir_tx_z8f0811_hdpvr", + "ir_rx_z8f0811_hdpvr", +}; + +static int hdpvr_new_i2c_ir(struct hdpvr_device *dev, struct i2c_adapter *adap, + const char *type, u8 addr) +{ + struct i2c_board_info info; + struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data; + unsigned short addr_list[2] = { addr, I2C_CLIENT_END }; + + memset(&info, 0, sizeof(struct i2c_board_info)); + strlcpy(info.type, type, I2C_NAME_SIZE); + + /* Our default information for ir-kbd-i2c.c to use */ + switch (addr) { + case Z8F0811_IR_RX_I2C_ADDR: + init_data->ir_codes = RC_MAP_HAUPPAUGE_NEW; + init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; + init_data->type = RC_TYPE_RC5; + init_data->name = "HD PVR"; + info.platform_data = init_data; + break; + } + + return i2c_new_probed_device(adap, &info, addr_list, NULL) == NULL ? + -1 : 0; +} + +int hdpvr_register_i2c_ir(struct hdpvr_device *dev) +{ + int i; + int ret = 0; + + for (i = 0; i < ARRAY_SIZE(ir_i2c_addrs); i++) + ret += hdpvr_new_i2c_ir(dev, dev->i2c_adapter, + ir_devicenames[i], ir_i2c_addrs[i]); + + return ret; +} + static int hdpvr_i2c_read(struct hdpvr_device *dev, unsigned char addr, char *data, int len) { |