diff options
-rw-r--r-- | drivers/staging/lirc/lirc_zilog.c | 87 |
1 files changed, 28 insertions, 59 deletions
diff --git a/drivers/staging/lirc/lirc_zilog.c b/drivers/staging/lirc/lirc_zilog.c index 85e312f..00f2e7d 100644 --- a/drivers/staging/lirc/lirc_zilog.c +++ b/drivers/staging/lirc/lirc_zilog.c @@ -62,7 +62,7 @@ struct IR_rx { /* RX device */ - struct i2c_client c_rx; + struct i2c_client *c; /* RX device buffer & lock */ struct lirc_buffer buf; @@ -81,7 +81,7 @@ struct IR_rx { struct IR_tx { /* TX device */ - struct i2c_client c_tx; + struct i2c_client *c; /* TX additional actions needed */ int need_boot; @@ -132,9 +132,6 @@ static struct mutex tx_data_lock; ## args) #define zilog_error(s, args...) printk(KERN_ERR KBUILD_MODNAME ": " s, ## args) -#define ZILOG_HAUPPAUGE_IR_RX_NAME "Zilog/Hauppauge IR RX" -#define ZILOG_HAUPPAUGE_IR_TX_NAME "Zilog/Hauppauge IR TX" - /* module parameters */ static int debug; /* debug output */ static int disable_rx; /* disable RX device */ @@ -181,7 +178,7 @@ static int add_to_buf(struct IR *ir) * Send random "poll command" (?) Windows driver does this * and it is a good point to detect chip failure. */ - ret = i2c_master_send(&rx->c_rx, sendbuf, 1); + ret = i2c_master_send(rx->c, sendbuf, 1); if (ret != 1) { zilog_error("i2c_master_send failed with %d\n", ret); if (failures >= 3) { @@ -205,7 +202,7 @@ static int add_to_buf(struct IR *ir) continue; } - ret = i2c_master_recv(&rx->c_rx, keybuf, sizeof(keybuf)); + ret = i2c_master_recv(rx->c, keybuf, sizeof(keybuf)); mutex_unlock(&ir->ir_lock); if (ret != sizeof(keybuf)) { zilog_error("i2c_master_recv failed with %d -- " @@ -315,9 +312,9 @@ static int set_use_inc(void *data) * must be possible even when the device is open */ if (ir->rx != NULL) - i2c_use_client(&ir->rx->c_rx); + i2c_use_client(ir->rx->c); if (ir->tx != NULL) - i2c_use_client(&ir->tx->c_tx); + i2c_use_client(ir->tx->c); return 0; } @@ -327,9 +324,9 @@ static void set_use_dec(void *data) struct IR *ir = data; if (ir->rx) - i2c_release_client(&ir->rx->c_rx); + i2c_release_client(ir->rx->c); if (ir->tx) - i2c_release_client(&ir->tx->c_tx); + i2c_release_client(ir->tx->c); if (ir->l.owner != NULL) module_put(ir->l.owner); } @@ -482,7 +479,7 @@ static int send_data_block(struct IR_tx *tx, unsigned char *data_block) buf[1 + j] = data_block[i + j]; dprintk("%02x %02x %02x %02x %02x", buf[0], buf[1], buf[2], buf[3], buf[4]); - ret = i2c_master_send(&tx->c_tx, buf, tosend + 1); + ret = i2c_master_send(tx->c, buf, tosend + 1); if (ret != tosend + 1) { zilog_error("i2c_master_send failed with %d\n", ret); return ret < 0 ? ret : -EFAULT; @@ -506,19 +503,19 @@ static int send_boot_data(struct IR_tx *tx) /* kick it off? */ buf[0] = 0x00; buf[1] = 0x20; - ret = i2c_master_send(&tx->c_tx, buf, 2); + ret = i2c_master_send(tx->c, buf, 2); if (ret != 2) { zilog_error("i2c_master_send failed with %d\n", ret); return ret < 0 ? ret : -EFAULT; } - ret = i2c_master_send(&tx->c_tx, buf, 1); + ret = i2c_master_send(tx->c, buf, 1); if (ret != 1) { zilog_error("i2c_master_send failed with %d\n", ret); return ret < 0 ? ret : -EFAULT; } /* Here comes the firmware version... (hopefully) */ - ret = i2c_master_recv(&tx->c_tx, buf, 4); + ret = i2c_master_recv(tx->c, buf, 4); if (ret != 4) { zilog_error("i2c_master_recv failed with %d\n", ret); return 0; @@ -573,7 +570,7 @@ static int fw_load(struct IR_tx *tx) } /* Request codeset data file */ - ret = request_firmware(&fw_entry, "haup-ir-blaster.bin", &tx->c_tx.dev); + ret = request_firmware(&fw_entry, "haup-ir-blaster.bin", &tx->c->dev); if (ret != 0) { zilog_error("firmware haup-ir-blaster.bin not available " "(%d)\n", ret); @@ -822,19 +819,19 @@ static int send_code(struct IR_tx *tx, unsigned int code, unsigned int key) /* Send data block length? */ buf[0] = 0x00; buf[1] = 0x40; - ret = i2c_master_send(&tx->c_tx, buf, 2); + ret = i2c_master_send(tx->c, buf, 2); if (ret != 2) { zilog_error("i2c_master_send failed with %d\n", ret); return ret < 0 ? ret : -EFAULT; } - ret = i2c_master_send(&tx->c_tx, buf, 1); + ret = i2c_master_send(tx->c, buf, 1); if (ret != 1) { zilog_error("i2c_master_send failed with %d\n", ret); return ret < 0 ? ret : -EFAULT; } /* Send finished download? */ - ret = i2c_master_recv(&tx->c_tx, buf, 1); + ret = i2c_master_recv(tx->c, buf, 1); if (ret != 1) { zilog_error("i2c_master_recv failed with %d\n", ret); return ret < 0 ? ret : -EFAULT; @@ -848,7 +845,7 @@ static int send_code(struct IR_tx *tx, unsigned int code, unsigned int key) /* Send prepare command? */ buf[0] = 0x00; buf[1] = 0x80; - ret = i2c_master_send(&tx->c_tx, buf, 2); + ret = i2c_master_send(tx->c, buf, 2); if (ret != 2) { zilog_error("i2c_master_send failed with %d\n", ret); return ret < 0 ? ret : -EFAULT; @@ -873,7 +870,7 @@ static int send_code(struct IR_tx *tx, unsigned int code, unsigned int key) for (i = 0; i < 20; ++i) { set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout((50 * HZ + 999) / 1000); - ret = i2c_master_send(&tx->c_tx, buf, 1); + ret = i2c_master_send(tx->c, buf, 1); if (ret == 1) break; dprintk("NAK expected: i2c_master_send " @@ -886,7 +883,7 @@ static int send_code(struct IR_tx *tx, unsigned int code, unsigned int key) } /* Seems to be an 'ok' response */ - i = i2c_master_recv(&tx->c_tx, buf, 1); + i = i2c_master_recv(tx->c, buf, 1); if (i != 1) { zilog_error("i2c_master_recv failed with %d\n", ret); return -EFAULT; @@ -1214,7 +1211,6 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct IR *ir = NULL; struct i2c_adapter *adap = client->adapter; - char buf; int ret; int have_rx = 0, have_tx = 0; @@ -1239,24 +1235,13 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) * The external IR receiver is at i2c address 0x71. * The IR transmitter is at 0x70. */ - client->addr = 0x70; - if (i2c_master_recv(client, &buf, 1) == 1) + if (id->driver_data & ID_FLAG_TX) { have_tx = 1; - dprintk("probe 0x70 @ %s: %s\n", - adap->name, have_tx ? "success" : "failed"); - - if (!disable_rx) { - client->addr = 0x71; - if (i2c_master_recv(client, &buf, 1) == 1) - have_rx = 1; - dprintk("probe 0x71 @ %s: %s\n", - adap->name, have_rx ? "success" : "failed"); - } - - if (!(have_rx || have_tx)) { - zilog_error("%s: no devices found\n", adap->name); - goto out_nodev; + } else if (!disable_rx) { + have_rx = 1; + } else { + return -ENXIO; } printk(KERN_INFO "lirc_zilog: chip found with %s\n", @@ -1270,6 +1255,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) if (have_tx) { ir->tx = kzalloc(sizeof(struct IR_tx), GFP_KERNEL); if (ir->tx != NULL) { + ir->tx->c = client; ir->tx->need_boot = 1; ir->tx->post_tx_ready_poll = (id->driver_data & ID_FLAG_HDPVR) ? false : true; @@ -1282,6 +1268,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) if (ir->rx == NULL) { ret = -ENOMEM; } else { + ir->rx->c = client; ir->rx->hdpvr_data_fmt = (id->driver_data & ID_FLAG_HDPVR) ? true : false; mutex_init(&ir->rx->buf_lock); @@ -1305,11 +1292,6 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) /* initialise RX device */ if (ir->rx != NULL) { DECLARE_COMPLETION(tn); - memcpy(&ir->rx->c_rx, client, sizeof(struct i2c_client)); - - ir->rx->c_rx.addr = 0x71; - strlcpy(ir->rx->c_rx.name, ZILOG_HAUPPAUGE_IR_RX_NAME, - I2C_NAME_SIZE); /* try to fire up polling thread */ ir->rx->t_notify = &tn; @@ -1324,14 +1306,6 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) ir->rx->t_notify = NULL; } - /* initialise TX device */ - if (ir->tx) { - memcpy(&ir->tx->c_tx, client, sizeof(struct i2c_client)); - ir->tx->c_tx.addr = 0x70; - strlcpy(ir->tx->c_tx.name, ZILOG_HAUPPAUGE_IR_TX_NAME, - I2C_NAME_SIZE); - } - /* set lirc_dev stuff */ ir->l.code_length = 13; ir->l.rbuf = (ir->rx == NULL) ? NULL : &ir->rx->buf; @@ -1371,16 +1345,11 @@ err: /* FIXME - memory deallocation for all error cases needs work */ /* undo everything, hopefully... */ if (ir->rx != NULL) - ir_remove(&ir->rx->c_rx); + ir_remove(ir->rx->c); if (ir->tx != NULL) - ir_remove(&ir->tx->c_tx); + ir_remove(ir->tx->c); return ret; -out_nodev: - /* FIXME - memory deallocation for all error cases needs work */ - zilog_error("no device found\n"); - return -ENODEV; - out_nomem: /* FIXME - memory deallocation for all error cases needs work */ zilog_error("memory allocation failure\n"); |