19aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 29aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau/* 3e86da6f07ed6deebc199368bd0a47b3671829b80Janne Grunau * Hauppauge HD PVR USB driver 49aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * 59aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * Copyright (C) 2008 Janne Grunau (j@jannau.net) 69aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * 7ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls * IR device registration code is 8ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls * Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net> 9ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls * 109aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * This program is free software; you can redistribute it and/or 119aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * modify it under the terms of the GNU General Public License as 129aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * published by the Free Software Foundation, version 2. 139aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau * 149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau */ 159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 16324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) 17324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 189aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include <linux/i2c.h> 195a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 2035a246363ec41e7b19f7887a97ef3d01ab41356aPaul Gortmaker#include <linux/export.h> 219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#include "hdpvr.h" 239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 249aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#define CTRL_READ_REQUEST 0xb8 259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#define CTRL_WRITE_REQUEST 0x38 269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 279aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#define REQTYPE_I2C_READ 0xb1 289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#define REQTYPE_I2C_WRITE 0xb0 299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau#define REQTYPE_I2C_WRITE_STATT 0xd0 309aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 31ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls#define Z8F0811_IR_TX_I2C_ADDR 0x70 32ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls#define Z8F0811_IR_RX_I2C_ADDR 0x71 33ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls 34ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls 357f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilsonstruct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev) 367f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson{ 377f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data; 387f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson struct i2c_board_info hdpvr_ir_tx_i2c_board_info = { 397f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson I2C_BOARD_INFO("ir_tx_z8f0811_hdpvr", Z8F0811_IR_TX_I2C_ADDR), 407f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson }; 417f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson 427f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson init_data->name = "HD-PVR"; 437f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson hdpvr_ir_tx_i2c_board_info.platform_data = init_data; 44ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls 457f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson return i2c_new_device(&dev->i2c_adapter, &hdpvr_ir_tx_i2c_board_info); 467f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson} 477f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson 487f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilsonstruct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev) 49ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls{ 50ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data; 517f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson struct i2c_board_info hdpvr_ir_rx_i2c_board_info = { 527f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson I2C_BOARD_INFO("ir_rx_z8f0811_hdpvr", Z8F0811_IR_RX_I2C_ADDR), 537f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson }; 54ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls 55ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls /* Our default information for ir-kbd-i2c.c to use */ 56af86ce79f020a31e4a30661e41471d31face9985Mauro Carvalho Chehab init_data->ir_codes = RC_MAP_HAUPPAUGE; 57324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; 58324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson init_data->type = RC_TYPE_RC5; 597f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson init_data->name = "HD-PVR"; 60dc8e2aa3b5a6c13baa77709bcaa2e7e483d9d006Jarod Wilson init_data->polling_interval = 405; /* ms, duplicated from Windows */ 617f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson hdpvr_ir_rx_i2c_board_info.platform_data = init_data; 62ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls 637f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3Jarod Wilson return i2c_new_device(&dev->i2c_adapter, &hdpvr_ir_rx_i2c_board_info); 64ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls} 65ea6c06033f01216df504b0f337a350778a3bc80eAndy Walls 66324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilsonstatic int hdpvr_i2c_read(struct hdpvr_device *dev, int bus, 67b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson unsigned char addr, char *wdata, int wlen, 68b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson char *data, int len) 699aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int ret; 71559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson 72b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson if ((len > sizeof(dev->i2c_buf)) || (wlen > sizeof(dev->i2c_buf))) 73559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson return -EINVAL; 749aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 75b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson if (wlen) { 76b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson memcpy(&dev->i2c_buf, wdata, wlen); 77b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), 78b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST, 79b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson (bus << 8) | addr, 0, &dev->i2c_buf, 80b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson wlen, 1000); 81b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson if (ret < 0) 82b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson return ret; 83b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson } 84b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson 85b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), 869aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau REQTYPE_I2C_READ, CTRL_READ_REQUEST, 87559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson (bus << 8) | addr, 0, &dev->i2c_buf, len, 1000); 889aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 899aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (ret == len) { 90559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson memcpy(data, &dev->i2c_buf, len); 919aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = 0; 929aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } else if (ret >= 0) 939aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = -EIO; 949aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 959aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return ret; 969aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 979aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 98324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilsonstatic int hdpvr_i2c_write(struct hdpvr_device *dev, int bus, 99324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson unsigned char addr, char *data, int len) 1009aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 1019aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int ret; 1029aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 103559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson if (len > sizeof(dev->i2c_buf)) 104559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson return -EINVAL; 105559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson 106559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson memcpy(&dev->i2c_buf, data, len); 107b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), 1089aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST, 109559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson (bus << 8) | addr, 0, &dev->i2c_buf, len, 1000); 1109aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1119aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (ret < 0) 112559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson return ret; 1139aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 114b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), 1159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau REQTYPE_I2C_WRITE_STATT, CTRL_READ_REQUEST, 116559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson 0, 0, &dev->i2c_buf, 2, 1000); 1179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 118559d162e1ebcdb61e89f154f2c2db376af072b0eJarod Wilson if ((ret == 2) && (dev->i2c_buf[1] == (len - 1))) 1199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = 0; 1209aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau else if (ret >= 0) 1219aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau ret = -EIO; 1229aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return ret; 1249aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 1259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1269aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic int hdpvr_transfer(struct i2c_adapter *i2c_adapter, struct i2c_msg *msgs, 1279aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int num) 1289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 1299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau struct hdpvr_device *dev = i2c_get_adapdata(i2c_adapter); 130b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson int retval = 0, addr; 1319aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1329aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau if (num <= 0) 1339aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return 0; 1349aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1359aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_lock(&dev->i2c_mutex); 1369aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 137b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson addr = msgs[0].addr << 1; 1389aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 139b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson if (num == 1) { 140b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson if (msgs[0].flags & I2C_M_RD) 141b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson retval = hdpvr_i2c_read(dev, 1, addr, NULL, 0, 142b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson msgs[0].buf, msgs[0].len); 1439aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau else 144b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson retval = hdpvr_i2c_write(dev, 1, addr, msgs[0].buf, 145b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson msgs[0].len); 146b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson } else if (num == 2) { 147b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson if (msgs[0].addr != msgs[1].addr) { 148b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson v4l2_warn(&dev->v4l2_dev, "refusing 2-phase i2c xfer " 149b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson "with conflicting target addresses\n"); 150b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson retval = -EINVAL; 151b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson goto out; 152b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson } 153b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson 154b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson if ((msgs[0].flags & I2C_M_RD) || !(msgs[1].flags & I2C_M_RD)) { 155b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson v4l2_warn(&dev->v4l2_dev, "refusing complex xfer with " 156b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson "r0=%d, r1=%d\n", msgs[0].flags & I2C_M_RD, 157b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson msgs[1].flags & I2C_M_RD); 158b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson retval = -EINVAL; 159b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson goto out; 160b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson } 161b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson 162b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson /* 163b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson * Write followed by atomic read is the only complex xfer that 164b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson * we actually support here. 165b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson */ 166b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson retval = hdpvr_i2c_read(dev, 1, addr, msgs[0].buf, msgs[0].len, 167b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson msgs[1].buf, msgs[1].len); 168b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson } else { 169b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson v4l2_warn(&dev->v4l2_dev, "refusing %d-phase i2c xfer\n", num); 1709aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau } 1719aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 172b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilsonout: 1739aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau mutex_unlock(&dev->i2c_mutex); 1749aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1759aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return retval ? retval : num; 1769aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 1779aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1789aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic u32 hdpvr_functionality(struct i2c_adapter *adapter) 1799aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 1809aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; 1819aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 1829aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 1839aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunaustatic struct i2c_algorithm hdpvr_algo = { 1849aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .master_xfer = hdpvr_transfer, 1859aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau .functionality = hdpvr_functionality, 1869aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau}; 1879aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 188324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilsonstatic struct i2c_adapter hdpvr_i2c_adapter_template = { 189324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson .name = "Hauppage HD PVR I2C", 190324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson .owner = THIS_MODULE, 191324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson .algo = &hdpvr_algo, 192324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson}; 193324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 194324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilsonstatic int hdpvr_activate_ir(struct hdpvr_device *dev) 195324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson{ 196dc8e2aa3b5a6c13baa77709bcaa2e7e483d9d006Jarod Wilson char buffer[2]; 197324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 198324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson mutex_lock(&dev->i2c_mutex); 199324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 200b443ac5a2836532af2315a4acb95c7a2cf721cbdJarod Wilson hdpvr_i2c_read(dev, 0, 0x54, NULL, 0, buffer, 1); 201324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 202324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson buffer[0] = 0; 203324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson buffer[1] = 0x8; 204324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson hdpvr_i2c_write(dev, 1, 0x54, buffer, 2); 205324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 206324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson buffer[1] = 0x18; 207324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson hdpvr_i2c_write(dev, 1, 0x54, buffer, 2); 208324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 209324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson mutex_unlock(&dev->i2c_mutex); 210324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 211324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson return 0; 212324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson} 213324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 2149aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunauint hdpvr_register_i2c_adapter(struct hdpvr_device *dev) 2159aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau{ 2169aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau int retval = -ENOMEM; 2179aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 218324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson hdpvr_activate_ir(dev); 2199aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 220324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson memcpy(&dev->i2c_adapter, &hdpvr_i2c_adapter_template, 221324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson sizeof(struct i2c_adapter)); 222324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson dev->i2c_adapter.dev.parent = &dev->udev->dev; 2239aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 224324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson i2c_set_adapdata(&dev->i2c_adapter, dev); 2259aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 226324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson retval = i2c_add_adapter(&dev->i2c_adapter); 2279aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau 2289aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau return retval; 2299aba42efe85bc7a55e3fed0747ce14abc9ee96e7Janne Grunau} 230324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson 231324b04ba5da7918a2409f8113e46843bfbd89e67Jarod Wilson#endif 232