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authorAndy Walls <awalls@md.metrocast.net>2010-12-28 22:46:13 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-12-30 12:17:14 -0200
commitea6c06033f01216df504b0f337a350778a3bc80e (patch)
tree3ec9ca9904c3aeff17f4a3b85f7294850c4175e8 /drivers/media/video/hdpvr/hdpvr-i2c.c
parent41ca2b1ac269e2ed64e2562b91fa61cab0b19e7a (diff)
[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.c53
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 409de11096d..24966aa02a7 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)
{