Example #1
0
static int opencores_kbd_probe(struct platform_device *pdev)
{
	struct input_dev *input;
	struct opencores_kbd *opencores_kbd;
	struct resource *res;
	int irq, i, error;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(&pdev->dev, "missing board memory resource\n");
		return -EINVAL;
	}

	irq = platform_get_irq(pdev, 0);
	if (irq < 0) {
		dev_err(&pdev->dev, "missing board IRQ resource\n");
		return -EINVAL;
	}

	opencores_kbd = devm_kzalloc(&pdev->dev, sizeof(*opencores_kbd),
				     GFP_KERNEL);
	if (!opencores_kbd)
		return -ENOMEM;

	input = devm_input_allocate_device(&pdev->dev);
	if (!input) {
		dev_err(&pdev->dev, "failed to allocate input device\n");
		return -ENOMEM;
	}

	opencores_kbd->input = input;

	opencores_kbd->addr = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(opencores_kbd->addr))
		error = PTR_ERR(opencores_kbd->addr);

	input->name = pdev->name;
	input->phys = "opencores-kbd/input0";

	input_set_drvdata(input, opencores_kbd);

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	input->keycode = opencores_kbd->keycodes;
	input->keycodesize = sizeof(opencores_kbd->keycodes[0]);
	input->keycodemax = ARRAY_SIZE(opencores_kbd->keycodes);

	__set_bit(EV_KEY, input->evbit);

	for (i = 0; i < ARRAY_SIZE(opencores_kbd->keycodes); i++) {
		/*
		 * OpenCores controller happens to have scancodes match
		 * our KEY_* definitions.
		 */
		opencores_kbd->keycodes[i] = i;
		__set_bit(opencores_kbd->keycodes[i], input->keybit);
	}
	__clear_bit(KEY_RESERVED, input->keybit);

	error = devm_request_irq(&pdev->dev, irq, &opencores_kbd_isr,
				 IRQF_TRIGGER_RISING,
				 pdev->name, opencores_kbd);
	if (error) {
		dev_err(&pdev->dev, "unable to claim irq %d\n", irq);
		return error;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(&pdev->dev, "unable to register input device\n");
		return error;
	}

	platform_set_drvdata(pdev, opencores_kbd);

	return 0;
}
static int matrix_keypad_probe(struct platform_device *pdev)
{
	struct matrix_keypad_platform_data *pdata;
	struct matrix_keypad *keypad;
	struct input_dev *input_dev;
#ifdef CONFIG_SUPPORT_KEYPAD_LED
	struct device *sec_keypad;
#endif
	int err;

	pdata = dev_get_platdata(&pdev->dev);
	if (!pdata) {
		pdata = matrix_keypad_parse_dt(&pdev->dev);
		if (IS_ERR(pdata)) {
			dev_err(&pdev->dev, "no platform data defined\n");
			return PTR_ERR(pdata);
		}
	} else if (!pdata->keymap_data) {
		dev_err(&pdev->dev, "no keymap data defined\n");
		return -EINVAL;
	}

	keypad = kzalloc(sizeof(struct matrix_keypad), GFP_KERNEL);
	input_dev = input_allocate_device();
	if (!keypad || !input_dev) {
		err = -ENOMEM;
		goto err_free_mem;
	}

	keypad->input_dev = input_dev;
	keypad->pdata = pdata;
	keypad->row_shift = get_count_order(pdata->num_col_gpios);
	keypad->stopped = true;
	INIT_DELAYED_WORK(&keypad->work, matrix_keypad_scan);
	spin_lock_init(&keypad->lock);

	if (pdata->project)
		input_dev->name		= pdata->project;
	else
		input_dev->name		= pdev->name;

	input_dev->id.bustype	= BUS_HOST;
	input_dev->dev.parent	= &pdev->dev;
	input_dev->open		= matrix_keypad_start;
	input_dev->close	= matrix_keypad_stop;

	err = matrix_keypad_build_keymap(pdata->keymap_data, NULL,
					 pdata->num_row_gpios,
					 pdata->num_col_gpios,
					 NULL, input_dev);
	if (err) {
		dev_err(&pdev->dev, "failed to build keymap\n");
		goto err_free_mem;
	}

	if (!pdata->no_autorepeat)
		__set_bit(EV_REP, input_dev->evbit);
	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
	input_set_drvdata(input_dev, keypad);

	err = matrix_keypad_init_gpio(pdev, keypad);
	if (err)
		goto err_free_mem;

	err = input_register_device(keypad->input_dev);
	if (err)
		goto err_free_gpio;

#ifdef CONFIG_SUPPORT_KEYPAD_LED
/* keypad led control */
	sec_keypad = sec_device_create(pdata, "sec_keypad");
	if (IS_ERR(sec_keypad))
		dev_err(&pdev->dev,"Failed to create device(sec_key)!\n");

	err = device_create_file(sec_keypad, &dev_attr_brightness);
	if (err) {
		dev_err(&pdev->dev,"Failed to create device file in sysfs entries(%s)!\n",
				dev_attr_brightness.attr.name);
	}

	dev_set_drvdata(sec_keypad, pdata);

	pdata->vddo_vreg = regulator_get(&pdev->dev,"vddo");
	if (IS_ERR(pdata->vddo_vreg)){
		pdata->vddo_vreg = NULL;
		printk(KERN_INFO "pdata->vddo_vreg error\n");
		err = -EPERM;
		goto err_free_gpio;
	}
#endif
	device_init_wakeup(&pdev->dev, pdata->wakeup);
	platform_set_drvdata(pdev, keypad);

	return 0;

err_free_gpio:
	matrix_keypad_free_gpio(keypad);
err_free_mem:
	input_free_device(input_dev);
	kfree(keypad);
	return err;
}
Example #3
0
static int gpio_keys_probe(struct platform_device *pdev)
{
    struct device *dev = &pdev->dev;
    const struct gpio_keys_platform_data *pdata = dev_get_platdata(dev);
    struct gpio_keys_drvdata *ddata;
    struct input_dev *input;
    size_t size;
    int i, error;
    int wakeup = 0;

    if (!pdata) {
        pdata = gpio_keys_get_devtree_pdata(dev);
        if (IS_ERR(pdata))
            return PTR_ERR(pdata);
    }

    size = sizeof(struct gpio_keys_drvdata) +
           pdata->nbuttons * sizeof(struct gpio_button_data);
    ddata = devm_kzalloc(dev, size, GFP_KERNEL);
    if (!ddata) {
        dev_err(dev, "failed to allocate state\n");
        return -ENOMEM;
    }

    input = devm_input_allocate_device(dev);
    if (!input) {
        dev_err(dev, "failed to allocate input device\n");
        return -ENOMEM;
    }

    ddata->pdata = pdata;
    ddata->input = input;
    mutex_init(&ddata->disable_lock);

    platform_set_drvdata(pdev, ddata);
    input_set_drvdata(input, ddata);

    input->name = pdata->name ? : pdev->name;
    input->phys = "gpio-keys/input0";
    input->dev.parent = &pdev->dev;
    input->open = gpio_keys_open;
    input->close = gpio_keys_close;

    input->id.bustype = BUS_HOST;
    input->id.vendor = 0x0001;
    input->id.product = 0x0001;
    input->id.version = 0x0100;

    /* Enable auto repeat feature of Linux input subsystem */
    if (pdata->rep)
        __set_bit(EV_REP, input->evbit);

    for (i = 0; i < pdata->nbuttons; i++) {
        const struct gpio_keys_button *button = &pdata->buttons[i];
        struct gpio_button_data *bdata = &ddata->data[i];

        error = gpio_keys_setup_key(pdev, input, bdata, button);
        if (error)
            return error;

        if (button->wakeup)
            wakeup = 1;
    }

    error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
    if (error) {
        dev_err(dev, "Unable to export keys/switches, error: %d\n",
                error);
        return error;
    }

    error = input_register_device(input);
    if (error) {
        dev_err(dev, "Unable to register input device, error: %d\n",
                error);
        goto err_remove_group;
    }

    device_init_wakeup(&pdev->dev, wakeup);

    return 0;

err_remove_group:
    sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
    return error;
}
Example #4
0
static int __devinit ske_keypad_probe(struct platform_device *pdev)
{
	const struct ske_keypad_platform_data *plat = pdev->dev.platform_data;
	struct ske_keypad *keypad;
	struct input_dev *input;
	struct resource *res;
	int irq;
	int error;

	if (!plat) {
		dev_err(&pdev->dev, "invalid keypad platform data\n");
		return -EINVAL;
	}

	irq = platform_get_irq(pdev, 0);
	if (irq < 0) {
		dev_err(&pdev->dev, "failed to get keypad irq\n");
		return -EINVAL;
	}

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(&pdev->dev, "missing platform resources\n");
		return -EINVAL;
	}

	keypad = kzalloc(sizeof(struct ske_keypad), GFP_KERNEL);
	input = input_allocate_device();
	if (!keypad || !input) {
		dev_err(&pdev->dev, "failed to allocate keypad memory\n");
		error = -ENOMEM;
		goto err_free_mem;
	}

	keypad->irq = irq;
	keypad->board = plat;
	keypad->input = input;
	spin_lock_init(&keypad->ske_keypad_lock);

	if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
		dev_err(&pdev->dev, "failed to request I/O memory\n");
		error = -EBUSY;
		goto err_free_mem;
	}

	keypad->reg_base = ioremap(res->start, resource_size(res));
	if (!keypad->reg_base) {
		dev_err(&pdev->dev, "failed to remap I/O memory\n");
		error = -ENXIO;
		goto err_free_mem_region;
	}

	keypad->clk = clk_get(&pdev->dev, NULL);
	if (IS_ERR(keypad->clk)) {
		dev_err(&pdev->dev, "failed to get clk\n");
		error = PTR_ERR(keypad->clk);
		goto err_iounmap;
	}

	input->id.bustype = BUS_HOST;
	input->name = "ux500-ske-keypad";
	input->dev.parent = &pdev->dev;

	input->keycode = keypad->keymap;
	input->keycodesize = sizeof(keypad->keymap[0]);
	input->keycodemax = ARRAY_SIZE(keypad->keymap);

	input_set_capability(input, EV_MSC, MSC_SCAN);

	__set_bit(EV_KEY, input->evbit);
	if (!plat->no_autorepeat)
		__set_bit(EV_REP, input->evbit);

	matrix_keypad_build_keymap(plat->keymap_data, SKE_KEYPAD_ROW_SHIFT,
			input->keycode, input->keybit);

	clk_enable(keypad->clk);

	/* go through board initialization helpers */
	if (keypad->board->init)
		keypad->board->init();

	error = ske_keypad_chip_init(keypad);
	if (error) {
		dev_err(&pdev->dev, "unable to init keypad hardware\n");
		goto err_clk_disable;
	}

	error = request_threaded_irq(keypad->irq, NULL, ske_keypad_irq,
				     IRQF_ONESHOT, "ske-keypad", keypad);
	if (error) {
		dev_err(&pdev->dev, "allocate irq %d failed\n", keypad->irq);
		goto err_clk_disable;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(&pdev->dev,
				"unable to register input device: %d\n", error);
		goto err_free_irq;
	}

	if (plat->wakeup_enable)
		device_init_wakeup(&pdev->dev, true);

	platform_set_drvdata(pdev, keypad);

	return 0;

err_free_irq:
	free_irq(keypad->irq, keypad);
err_clk_disable:
	clk_disable(keypad->clk);
	clk_put(keypad->clk);
err_iounmap:
	iounmap(keypad->reg_base);
err_free_mem_region:
	release_mem_region(res->start, resource_size(res));
err_free_mem:
	input_free_device(input);
	kfree(keypad);
	return error;
}
Example #5
0
void wl12xx_rx(struct wl1271 *wl, struct wl12xx_fw_status *status)
{
	struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map;
	unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
	u32 buf_size;
	u32 fw_rx_counter  = status->fw_rx_counter & NUM_RX_PKT_DESC_MOD_MASK;
	u32 drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK;
	u32 rx_counter;
	u32 mem_block;
	u32 pkt_length;
	u32 pkt_offset;
	u8 hlid;
	bool unaligned = false;

	while (drv_rx_counter != fw_rx_counter) {
		buf_size = 0;
		rx_counter = drv_rx_counter;
		while (rx_counter != fw_rx_counter) {
			pkt_length = wl12xx_rx_get_buf_size(status, rx_counter);
			if (buf_size + pkt_length > WL1271_AGGR_BUFFER_SIZE)
				break;
			buf_size += pkt_length;
			rx_counter++;
			rx_counter &= NUM_RX_PKT_DESC_MOD_MASK;
		}

		if (buf_size == 0) {
			wl1271_warning("received empty data");
			break;
		}

		if (wl->chip.id != CHIP_ID_1283_PG20) {
			/*
			 * Choose the block we want to read
			 * For aggregated packets, only the first memory block
			 * should be retrieved. The FW takes care of the rest.
			 */
			mem_block = wl12xx_rx_get_mem_block(status,
							    drv_rx_counter);

			wl->rx_mem_pool_addr.addr = (mem_block << 8) +
			   le32_to_cpu(wl_mem_map->packet_memory_pool_start);

			wl->rx_mem_pool_addr.addr_extra =
				wl->rx_mem_pool_addr.addr + 4;

			wl1271_write(wl, WL1271_SLV_REG_DATA,
				     &wl->rx_mem_pool_addr,
				     sizeof(wl->rx_mem_pool_addr), false);
		}

		/* Read all available packets at once */
		wl1271_read(wl, WL1271_SLV_MEM_DATA, wl->aggr_buf,
				buf_size, true);

		/* Split data into separate packets */
		pkt_offset = 0;
		while (pkt_offset < buf_size) {
			pkt_length = wl12xx_rx_get_buf_size(status,
					drv_rx_counter);

			unaligned = wl12xx_rx_get_unaligned(status,
					drv_rx_counter);

			/*
			 * the handle data call can only fail in memory-outage
			 * conditions, in that case the received frame will just
			 * be dropped.
			 */
			if (wl1271_rx_handle_data(wl,
						  wl->aggr_buf + pkt_offset,
						  pkt_length, unaligned,
						  &hlid) == 1) {
				if (hlid < WL12XX_MAX_LINKS)
					__set_bit(hlid, active_hlids);
				else
					WARN(1,
					     "hlid exceeded WL12XX_MAX_LINKS "
					     "(%d)\n", hlid);
			}

			wl->rx_counter++;
			drv_rx_counter++;
			drv_rx_counter &= NUM_RX_PKT_DESC_MOD_MASK;
			pkt_offset += pkt_length;
		}
	}

	/*
	 * Write the driver's packet counter to the FW. This is only required
	 * for older hardware revisions
	 */
	if (wl->quirks & WL12XX_QUIRK_END_OF_TRANSACTION)
		wl1271_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter);

	wl12xx_rearm_rx_streaming(wl, active_hlids);
}
Example #6
0
/**
 * phylink_ethtool_ksettings_set() - set the link settings
 * @pl: a pointer to a &struct phylink returned from phylink_create()
 * @kset: a pointer to a &struct ethtool_link_ksettings for the desired modes
 */
int phylink_ethtool_ksettings_set(struct phylink *pl,
				  const struct ethtool_link_ksettings *kset)
{
	struct ethtool_link_ksettings our_kset;
	struct phylink_link_state config;
	int ret;

	ASSERT_RTNL();

	if (kset->base.autoneg != AUTONEG_DISABLE &&
	    kset->base.autoneg != AUTONEG_ENABLE)
		return -EINVAL;

	config = pl->link_config;

	/* Mask out unsupported advertisements */
	linkmode_and(config.advertising, kset->link_modes.advertising,
		     pl->supported);

	/* FIXME: should we reject autoneg if phy/mac does not support it? */
	if (kset->base.autoneg == AUTONEG_DISABLE) {
		const struct phy_setting *s;

		/* Autonegotiation disabled, select a suitable speed and
		 * duplex.
		 */
		s = phy_lookup_setting(kset->base.speed, kset->base.duplex,
				       pl->supported, false);
		if (!s)
			return -EINVAL;

		/* If we have a fixed link (as specified by firmware), refuse
		 * to change link parameters.
		 */
		if (pl->link_an_mode == MLO_AN_FIXED &&
		    (s->speed != pl->link_config.speed ||
		     s->duplex != pl->link_config.duplex))
			return -EINVAL;

		config.speed = s->speed;
		config.duplex = s->duplex;
		config.an_enabled = false;

		__clear_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, config.advertising);
	} else {
		/* If we have a fixed link, refuse to enable autonegotiation */
		if (pl->link_an_mode == MLO_AN_FIXED)
			return -EINVAL;

		config.speed = SPEED_UNKNOWN;
		config.duplex = DUPLEX_UNKNOWN;
		config.an_enabled = true;

		__set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, config.advertising);
	}

	if (phylink_validate(pl, pl->supported, &config))
		return -EINVAL;

	/* If autonegotiation is enabled, we must have an advertisement */
	if (config.an_enabled && phylink_is_empty_linkmode(config.advertising))
		return -EINVAL;

	our_kset = *kset;
	linkmode_copy(our_kset.link_modes.advertising, config.advertising);
	our_kset.base.speed = config.speed;
	our_kset.base.duplex = config.duplex;

	/* If we have a PHY, configure the phy */
	if (pl->phydev) {
		ret = phy_ethtool_ksettings_set(pl->phydev, &our_kset);
		if (ret)
			return ret;
	}

	mutex_lock(&pl->state_mutex);
	/* Configure the MAC to match the new settings */
	linkmode_copy(pl->link_config.advertising, our_kset.link_modes.advertising);
	pl->link_config.interface = config.interface;
	pl->link_config.speed = our_kset.base.speed;
	pl->link_config.duplex = our_kset.base.duplex;
	pl->link_config.an_enabled = our_kset.base.autoneg != AUTONEG_DISABLE;

	if (!test_bit(PHYLINK_DISABLE_STOPPED, &pl->phylink_disable_state)) {
		phylink_mac_config(pl, &pl->link_config);
		phylink_mac_an_restart(pl);
	}
	mutex_unlock(&pl->state_mutex);

	return 0;
}
Example #7
0
/*
 * Fill the capabilities struct
 * TODO: Merge this with EEPROM code when we are done with it
 */
int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
{
	u16 ee_header;

	/* Capabilities stored in the EEPROM */
	ee_header = ah->ah_capabilities.cap_eeprom.ee_header;

	if (ah->ah_version == AR5K_AR5210) {
		/*
		 * Set radio capabilities
		 * (The AR5110 only supports the middle 5GHz band)
		 */
		ah->ah_capabilities.cap_range.range_5ghz_min = 5120;
		ah->ah_capabilities.cap_range.range_5ghz_max = 5430;
		ah->ah_capabilities.cap_range.range_2ghz_min = 0;
		ah->ah_capabilities.cap_range.range_2ghz_max = 0;

		/* Set supported modes */
		__set_bit(AR5K_MODE_11A, ah->ah_capabilities.cap_mode);
	} else {
		/*
		 * XXX The tranceiver supports frequencies from 4920 to 6100GHz
		 * XXX and from 2312 to 2732GHz. There are problems with the
		 * XXX current ieee80211 implementation because the IEEE
		 * XXX channel mapping does not support negative channel
		 * XXX numbers (2312MHz is channel -19). Of course, this
		 * XXX doesn't matter because these channels are out of range
		 * XXX but some regulation domains like MKK (Japan) will
		 * XXX support frequencies somewhere around 4.8GHz.
		 */

		/*
		 * Set radio capabilities
		 */

		if (AR5K_EEPROM_HDR_11A(ee_header)) {
			/* 4920 */
			ah->ah_capabilities.cap_range.range_5ghz_min = 5005;
			ah->ah_capabilities.cap_range.range_5ghz_max = 6100;

			/* Set supported modes */
			__set_bit(AR5K_MODE_11A,
					ah->ah_capabilities.cap_mode);
		}

		/* Enable  802.11b if a 2GHz capable radio (2111/5112) is
		 * connected */
		if (AR5K_EEPROM_HDR_11B(ee_header) ||
		    (AR5K_EEPROM_HDR_11G(ee_header) &&
		     ah->ah_version != AR5K_AR5211)) {
			/* 2312 */
			ah->ah_capabilities.cap_range.range_2ghz_min = 2412;
			ah->ah_capabilities.cap_range.range_2ghz_max = 2732;

			if (AR5K_EEPROM_HDR_11B(ee_header))
				__set_bit(AR5K_MODE_11B,
						ah->ah_capabilities.cap_mode);

			if (AR5K_EEPROM_HDR_11G(ee_header) &&
			    ah->ah_version != AR5K_AR5211)
				__set_bit(AR5K_MODE_11G,
						ah->ah_capabilities.cap_mode);
		}
	}

	/* Set number of supported TX queues */
	if (ah->ah_version == AR5K_AR5210)
		ah->ah_capabilities.cap_queues.q_tx_num =
			AR5K_NUM_TX_QUEUES_NOQCU;
	else
		ah->ah_capabilities.cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES;

	/* newer hardware has PHY error counters */
	if (ah->ah_mac_srev >= AR5K_SREV_AR5213A)
		ah->ah_capabilities.cap_has_phyerr_counters = true;
	else
		ah->ah_capabilities.cap_has_phyerr_counters = false;

	return 0;
}
static int xt_ct_tg_check_v0(const struct xt_tgchk_param *par)
{
	struct xt_ct_target_info *info = par->targinfo;
	struct nf_conntrack_tuple t;
	struct nf_conn_help *help;
	struct nf_conn *ct;
	int ret = 0;
	u8 proto;

	if (info->flags & ~XT_CT_NOTRACK)
		return -EINVAL;

	if (info->flags & XT_CT_NOTRACK) {
		ct = nf_ct_untracked_get();
		atomic_inc(&ct->ct_general.use);
		goto out;
	}

#ifndef CONFIG_NF_CONNTRACK_ZONES
	if (info->zone)
		goto err1;
#endif

	ret = nf_ct_l3proto_try_module_get(par->family);
	if (ret < 0)
		goto err1;

	memset(&t, 0, sizeof(t));
	ct = nf_conntrack_alloc(par->net, info->zone, &t, &t, GFP_KERNEL);
	ret = PTR_ERR(ct);
	if (IS_ERR(ct))
		goto err2;

	ret = 0;
	if ((info->ct_events || info->exp_events) &&
	    !nf_ct_ecache_ext_add(ct, info->ct_events, info->exp_events,
				  GFP_KERNEL))
		goto err3;

	if (info->helper[0]) {
		ret = -ENOENT;
		proto = xt_ct_find_proto(par);
		if (!proto) {
			pr_info("You must specify a L4 protocol, "
				"and not use inversions on it.\n");
			goto err3;
		}

		ret = -ENOMEM;
		help = nf_ct_helper_ext_add(ct, GFP_KERNEL);
		if (help == NULL)
			goto err3;

		ret = -ENOENT;
		help->helper = nf_conntrack_helper_try_module_get(info->helper,
								  par->family,
								  proto);
		if (help->helper == NULL) {
			pr_info("No such helper \"%s\"\n", info->helper);
			goto err3;
		}
	}

	__set_bit(IPS_TEMPLATE_BIT, &ct->status);
	__set_bit(IPS_CONFIRMED_BIT, &ct->status);
out:
	info->ct = ct;
	return 0;

err3:
	nf_conntrack_free(ct);
err2:
	nf_ct_l3proto_module_put(par->family);
err1:
	return ret;
}
Example #9
0
/**
 * nfs4_init_client - Initialise an NFS4 client record
 *
 * @clp: nfs_client to initialise
 * @timeparms: timeout parameters for underlying RPC transport
 * @ip_addr: callback IP address in presentation format
 * @authflavor: authentication flavor for underlying RPC transport
 *
 * Returns pointer to an NFS client, or an ERR_PTR value.
 */
struct nfs_client *nfs4_init_client(struct nfs_client *clp,
				    const struct rpc_timeout *timeparms,
				    const char *ip_addr,
				    rpc_authflavor_t authflavour)
{
	char buf[INET6_ADDRSTRLEN + 1];
	struct nfs_client *old;
	int error;

	if (clp->cl_cons_state == NFS_CS_READY) {
		/* the client is initialised already */
		dprintk("<-- nfs4_init_client() = 0 [already %p]\n", clp);
		return clp;
	}

	/* Check NFS protocol revision and initialize RPC op vector */
	clp->rpc_ops = &nfs_v4_clientops;

	__set_bit(NFS_CS_DISCRTRY, &clp->cl_flags);
	error = nfs_create_rpc_client(clp, timeparms, authflavour);
	if (error < 0)
		goto error;

	/* If no clientaddr= option was specified, find a usable cb address */
	if (ip_addr == NULL) {
		struct sockaddr_storage cb_addr;
		struct sockaddr *sap = (struct sockaddr *)&cb_addr;

		error = rpc_localaddr(clp->cl_rpcclient, sap, sizeof(cb_addr));
		if (error < 0)
			goto error;
		error = rpc_ntop(sap, buf, sizeof(buf));
		if (error < 0)
			goto error;
		ip_addr = (const char *)buf;
	}
	strlcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr));

	error = nfs_idmap_new(clp);
	if (error < 0) {
		dprintk("%s: failed to create idmapper. Error = %d\n",
			__func__, error);
		goto error;
	}
	__set_bit(NFS_CS_IDMAP, &clp->cl_res_state);

	error = nfs4_init_client_minor_version(clp);
	if (error < 0)
		goto error;

	if (!nfs4_has_session(clp))
		nfs_mark_client_ready(clp, NFS_CS_READY);

	error = nfs4_discover_server_trunking(clp, &old);
	if (error < 0)
		goto error;
	if (clp != old) {
		clp->cl_preserve_clid = true;
		nfs_put_client(clp);
		clp = old;
		atomic_inc(&clp->cl_count);
	}

	return clp;

error:
	nfs_mark_client_ready(clp, error);
	nfs_put_client(clp);
	dprintk("<-- nfs4_init_client() = xerror %d\n", error);
	return ERR_PTR(error);
}
Example #10
0
static inline void set_page_poison(struct page *page)
{
	__set_bit(PAGE_DEBUG_FLAG_POISON, &page->debug_flags);
}
Example #11
0
static int xt_ct_tg_check_v1(const struct xt_tgchk_param *par)
{
	struct xt_ct_target_info_v1 *info = par->targinfo;
	struct nf_conntrack_tuple t;
	struct nf_conn_help *help;
	struct nf_conn *ct;
	int ret = 0;
	u8 proto;
#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
	struct ctnl_timeout *timeout;
#endif
	if (info->flags & ~XT_CT_NOTRACK)
		return -EINVAL;

	if (info->flags & XT_CT_NOTRACK) {
		ct = nf_ct_untracked_get();
		atomic_inc(&ct->ct_general.use);
		goto out;
	}

#ifndef CONFIG_NF_CONNTRACK_ZONES
	if (info->zone)
		goto err1;
#endif

	ret = nf_ct_l3proto_try_module_get(par->family);
	if (ret < 0)
		goto err1;

	memset(&t, 0, sizeof(t));
	ct = nf_conntrack_alloc(par->net, info->zone, &t, &t, GFP_KERNEL);
	ret = PTR_ERR(ct);
	if (IS_ERR(ct))
		goto err2;

	ret = 0;
	if ((info->ct_events || info->exp_events) &&
	    !nf_ct_ecache_ext_add(ct, info->ct_events, info->exp_events,
				  GFP_KERNEL))
		goto err3;

	if (info->helper[0]) {
		ret = -ENOENT;
		proto = xt_ct_find_proto(par);
		if (!proto) {
			pr_info("You must specify a L4 protocol, "
				"and not use inversions on it.\n");
			goto err3;
		}

		ret = -ENOMEM;
		help = nf_ct_helper_ext_add(ct, GFP_KERNEL);
		if (help == NULL)
			goto err3;

		ret = -ENOENT;
		help->helper = nf_conntrack_helper_try_module_get(info->helper,
								  par->family,
								  proto);
		if (help->helper == NULL) {
			pr_info("No such helper \"%s\"\n", info->helper);
			goto err3;
		}
	}

#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
	if (info->timeout[0]) {
		typeof(nf_ct_timeout_find_get_hook) timeout_find_get;
		struct nf_conn_timeout *timeout_ext;

		rcu_read_lock();
		timeout_find_get =
			rcu_dereference(nf_ct_timeout_find_get_hook);

		if (timeout_find_get) {
			const struct ipt_entry *e = par->entryinfo;
			struct nf_conntrack_l4proto *l4proto;

			if (e->ip.invflags & IPT_INV_PROTO) {
				ret = -EINVAL;
				pr_info("You cannot use inversion on "
					 "L4 protocol\n");
				goto err4;
			}
			timeout = timeout_find_get(info->timeout);
			if (timeout == NULL) {
				ret = -ENOENT;
				pr_info("No such timeout policy \"%s\"\n",
					info->timeout);
				goto err4;
			}
			if (timeout->l3num != par->family) {
				ret = -EINVAL;
				pr_info("Timeout policy `%s' can only be "
					"used by L3 protocol number %d\n",
					info->timeout, timeout->l3num);
				goto err5;
			}
			/* Make sure the timeout policy matches any existing
			 * protocol tracker, otherwise default to generic.
			 */
			l4proto = __nf_ct_l4proto_find(par->family,
						       e->ip.proto);
			if (timeout->l4proto->l4proto != l4proto->l4proto) {
				ret = -EINVAL;
				pr_info("Timeout policy `%s' can only be "
					"used by L4 protocol number %d\n",
					info->timeout,
					timeout->l4proto->l4proto);
				goto err5;
			}
			timeout_ext = nf_ct_timeout_ext_add(ct, timeout,
							    GFP_ATOMIC);
			if (timeout_ext == NULL) {
				ret = -ENOMEM;
				goto err5;
			}
		} else {
			ret = -ENOENT;
			pr_info("Timeout policy base is empty\n");
			goto err4;
		}
		rcu_read_unlock();
	}
#endif

	__set_bit(IPS_TEMPLATE_BIT, &ct->status);
	__set_bit(IPS_CONFIRMED_BIT, &ct->status);
out:
	info->ct = ct;
	return 0;

#ifdef CONFIG_NF_CONNTRACK_TIMEOUT
err5:
	__xt_ct_tg_timeout_put(timeout);
err4:
	rcu_read_unlock();
#endif
err3:
	nf_conntrack_free(ct);
err2:
	nf_ct_l3proto_module_put(par->family);
err1:
	return ret;
}
Example #12
0
void *
keepalived_realloc(void *buffer, size_t size, char *file, char *function,
		   int line)
{
	int i;
	void *buf = buffer, *buf2;
	long check;

	if (buffer == NULL) {
		fprintf(log_op, "realloc %p %s, %3d %s\n", buffer, file, line, function);
		i = number_alloc_list++;

		assert(number_alloc_list < MAX_ALLOC_LIST);

		alloc_list[i].ptr = NULL;
		alloc_list[i].size = 0;
		alloc_list[i].file = file;
		alloc_list[i].func = function;
		alloc_list[i].line = line;
		alloc_list[i].type = 3;
		return keepalived_malloc(size, file, function, line);
	}

	for (i = 0; i < number_alloc_list; i++) {
		if (alloc_list[i].ptr == buf) {
			buf = alloc_list[i].ptr;
			break;
		}
	}

	/* not found */
	if (i == number_alloc_list) {
		fprintf(log_op, "realloc ERROR no matching zalloc %p \n", buffer);
		number_alloc_list++;

		assert(number_alloc_list < MAX_ALLOC_LIST);

		alloc_list[i].ptr = buf;
		alloc_list[i].size = 0;
		alloc_list[i].file = file;
		alloc_list[i].func = function;
		alloc_list[i].line = line;
		alloc_list[i].type = 9;
		__set_bit(MEM_ERR_DETECT_BIT, &debug);	/* Memory Error detect */
		return NULL;
	}

	buf2 = ((char *) buf) + alloc_list[i].size;

	if (*(long *) (buf2) != alloc_list[i].csum) {
		alloc_list[i].type = 1;
		__set_bit(MEM_ERR_DETECT_BIT, &debug);	/* Memory Error detect */
	}
	buf = realloc(buffer, size + sizeof (long));

	check = (long)size + 0xa5a5;
	*(long *) ((char *) buf + size) = check;
	alloc_list[i].csum = check;

	fprintf(log_op, "realloc [%3d:%3d] %p, %4zu %s %d %s -> %p %4zu %s %d %s\n",
	       i, number_alloc_list, alloc_list[i].ptr,
	       alloc_list[i].size, file, line, function, buf, size,
	       alloc_list[i].file, alloc_list[i].line,
	       alloc_list[i].func);

	alloc_list[i].ptr = buf;
	alloc_list[i].size = size;
	alloc_list[i].file = file;
	alloc_list[i].line = line;
	alloc_list[i].func = function;

	return buf;
}
Example #13
0
int
keepalived_free(void *buffer, char *file, char *function, int line)
{
	int i = 0;
	void *buf = buffer;

	/* If nullpointer remember */
	if (buffer == NULL) {
		i = number_alloc_list++;

		assert(number_alloc_list < MAX_ALLOC_LIST);

		alloc_list[i].ptr = buffer;
		alloc_list[i].size = 0;
		alloc_list[i].file = file;
		alloc_list[i].func = function;
		alloc_list[i].line = line;
		alloc_list[i].type = 2;
		fprintf(log_op, "free NULL in %s, %3d, %s\n", file,
		       line, function);

		__set_bit(MEM_ERR_DETECT_BIT, &debug);	/* Memory Error detect */

		return n;
	}

	while (i < number_alloc_list) {
		if (alloc_list[i].type == 9 && alloc_list[i].ptr == buf) {
			if (*((long *) ((char *) alloc_list[i].ptr + alloc_list[i].size)) == alloc_list[i].csum) {
				alloc_list[i].type = 0;	/* Release */
				mem_allocated -= alloc_list[i].size - sizeof(long);
			} else {
				alloc_list[i].type = 1;	/* Overrun */
				fprintf(log_op, "free corrupt, buffer overrun [%3d:%3d], %p, %4zu at %s, %3d, %s\n",
				       i, number_alloc_list,
				       buf, alloc_list[i].size, file,
				       line, function);
				dump_buffer(alloc_list[i].ptr,
					    alloc_list[i].size + sizeof (long), log_op);
				fprintf(log_op, "Check_sum\n");
				dump_buffer((char *) &alloc_list[i].csum,
					    sizeof(long), log_op);

				__set_bit(MEM_ERR_DETECT_BIT, &debug);
			}
			break;
		}
		i++;
	}

	/*  Not found */
	if (i == number_alloc_list) {
		fprintf(log_op, "Free ERROR %p not found\n", buffer);
		number_alloc_list++;

		assert(number_alloc_list < MAX_ALLOC_LIST);

		alloc_list[i].ptr = buf;
		alloc_list[i].size = 0;
		alloc_list[i].file = file;
		alloc_list[i].func = function;
		alloc_list[i].line = line;
		alloc_list[i].type = 4;
		__set_bit(MEM_ERR_DETECT_BIT, &debug);

		return n;
	}

	fprintf(log_op, "free  [%3d:%3d], %p, %4zu at %s, %3d, %s\n",
	       i, number_alloc_list, buf,
	       alloc_list[i].size, file, line, function);
#ifdef _MEM_CHECK_LOG_
	if (__test_bit(MEM_CHECK_LOG_BIT, &debug))
		log_message(LOG_INFO, "free  [%3d:%3d], %p, %4zu at %s, %3d, %s\n",
		       i, number_alloc_list, buf,
		       alloc_list[i].size, file, line, function);
#endif

	if (buffer != NULL)
		free(buffer);

	free_list[f].file = file;
	free_list[f].line = line;
	free_list[f].func = function;
	free_list[f].ptr = buffer;
	free_list[f].type = 8;
	free_list[f].csum = i;	/* Using this field for row id */

	f++;
	f &= 255;
	n--;

	return n;
}
Example #14
0
static int imx_keypad_probe(struct platform_device *pdev)
{
	const struct matrix_keymap_data *keymap_data =
			dev_get_platdata(&pdev->dev);
	struct imx_keypad *keypad;
	struct input_dev *input_dev;
	struct resource *res;
	int irq, error, i, row, col;

	if (!keymap_data && !pdev->dev.of_node) {
		dev_err(&pdev->dev, "no keymap defined\n");
		return -EINVAL;
	}

	irq = platform_get_irq(pdev, 0);
	if (irq < 0) {
		dev_err(&pdev->dev, "no irq defined in platform data\n");
		return irq;
	}

	input_dev = devm_input_allocate_device(&pdev->dev);
	if (!input_dev) {
		dev_err(&pdev->dev, "failed to allocate the input device\n");
		return -ENOMEM;
	}

	keypad = devm_kzalloc(&pdev->dev, sizeof(*keypad), GFP_KERNEL);
	if (!keypad) {
		dev_err(&pdev->dev, "not enough memory for driver data\n");
		return -ENOMEM;
	}

	keypad->input_dev = input_dev;
	keypad->irq = irq;
	keypad->stable_count = 0;

	setup_timer(&keypad->check_matrix_timer,
		    imx_keypad_check_for_events, (unsigned long) keypad);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	keypad->mmio_base = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(keypad->mmio_base))
		return PTR_ERR(keypad->mmio_base);

	keypad->clk = devm_clk_get(&pdev->dev, NULL);
	if (IS_ERR(keypad->clk)) {
		dev_err(&pdev->dev, "failed to get keypad clock\n");
		return PTR_ERR(keypad->clk);
	}

	/* Init the Input device */
	input_dev->name = pdev->name;
	input_dev->id.bustype = BUS_HOST;
	input_dev->dev.parent = &pdev->dev;
	input_dev->open = imx_keypad_open;
	input_dev->close = imx_keypad_close;

	error = matrix_keypad_build_keymap(keymap_data, NULL,
					   MAX_MATRIX_KEY_ROWS,
					   MAX_MATRIX_KEY_COLS,
					   keypad->keycodes, input_dev);
	if (error) {
		dev_err(&pdev->dev, "failed to build keymap\n");
		return error;
	}

	/* Search for rows and cols enabled */
	for (row = 0; row < MAX_MATRIX_KEY_ROWS; row++) {
		for (col = 0; col < MAX_MATRIX_KEY_COLS; col++) {
			i = MATRIX_SCAN_CODE(row, col, MATRIX_ROW_SHIFT);
			if (keypad->keycodes[i] != KEY_RESERVED) {
				keypad->rows_en_mask |= 1 << row;
				keypad->cols_en_mask |= 1 << col;
			}
		}
	}
	dev_dbg(&pdev->dev, "enabled rows mask: %x\n", keypad->rows_en_mask);
	dev_dbg(&pdev->dev, "enabled cols mask: %x\n", keypad->cols_en_mask);

	__set_bit(EV_REP, input_dev->evbit);
	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
	input_set_drvdata(input_dev, keypad);

	/* Ensure that the keypad will stay dormant until opened */
	error = clk_prepare_enable(keypad->clk);
	if (error)
		return error;
	imx_keypad_inhibit(keypad);
	clk_disable_unprepare(keypad->clk);

	error = devm_request_irq(&pdev->dev, irq, imx_keypad_irq_handler, 0,
			    pdev->name, keypad);
	if (error) {
		dev_err(&pdev->dev, "failed to request IRQ\n");
		return error;
	}

	/* Register the input device */
	error = input_register_device(input_dev);
	if (error) {
		dev_err(&pdev->dev, "failed to register input device\n");
		return error;
	}

	platform_set_drvdata(pdev, keypad);
	device_init_wakeup(&pdev->dev, 1);

	return 0;
}
static void cyttsp4_get_mt_touches(struct cyttsp4_mt_data *md, int num_cur_rec)
{
	struct device *dev = &md->ttsp->dev;
	struct cyttsp4_sysinfo *si = md->si;
	struct cyttsp4_touch tch;
	int sig;
	int i, j, t = 0;
	int mt_sync_count = 0;
	DECLARE_BITMAP(ids, max(CY_TMA1036_MAX_TCH, CY_TMA4XX_MAX_TCH));

	bitmap_zero(ids, si->si_ofs.tch_abs[CY_TCH_T].max);

	for (i = 0; i < num_cur_rec; i++) {
		cyttsp4_get_touch_record(md->ttsp, i, tch.abs);

		/* Discard proximity event */
		if (tch.abs[CY_TCH_O] == CY_OBJ_PROXIMITY) {
			dev_dbg(dev, "%s: Discarding proximity event\n",
				__func__);
			continue;
		}

		if ((tch.abs[CY_TCH_T] < md->pdata->frmwrk->abs
			[(CY_ABS_ID_OST * CY_NUM_ABS_SET) + CY_MIN_OST]) ||
			(tch.abs[CY_TCH_T] > md->pdata->frmwrk->abs
			[(CY_ABS_ID_OST * CY_NUM_ABS_SET) + CY_MAX_OST])) {
			dev_err(dev, "%s: tch=%d -> bad trk_id=%d max_id=%d\n",
				__func__, i, tch.abs[CY_TCH_T],
				md->pdata->frmwrk->abs[(CY_ABS_ID_OST *
				CY_NUM_ABS_SET) + CY_MAX_OST]);
			if (md->mt_function.input_sync)
				md->mt_function.input_sync(md->input);
			mt_sync_count++;
			continue;
		}

		/* Process touch */
		cyttsp4_mt_process_touch(md, &tch);

		/* use 0 based track id's */
		sig = md->pdata->frmwrk->abs
			[(CY_ABS_ID_OST * CY_NUM_ABS_SET) + 0];
		if (sig != CY_IGNORE_VALUE) {
			t = tch.abs[CY_TCH_T] - md->pdata->frmwrk->abs
				[(CY_ABS_ID_OST * CY_NUM_ABS_SET) + CY_MIN_OST];
			if (tch.abs[CY_TCH_E] == CY_EV_LIFTOFF) {
				dev_dbg(dev, "%s: t=%d e=%d lift-off\n",
					__func__, t, tch.abs[CY_TCH_E]);
				goto cyttsp4_get_mt_touches_pr_tch;
			}
			if (md->mt_function.input_report)
				md->mt_function.input_report(md->input, sig,
					t, tch.abs[CY_TCH_O]);
			__set_bit(t, ids);
		}

		/* all devices: position and pressure fields */
		for (j = 0; j <= CY_ABS_W_OST ; j++) {
			sig = md->pdata->frmwrk->abs[((CY_ABS_X_OST + j) *
				CY_NUM_ABS_SET) + 0];
			if (sig != CY_IGNORE_VALUE)
				input_report_abs(md->input, sig,
					tch.abs[CY_TCH_X + j]);
		}
		if (IS_TTSP_VER_GE(si, 2, 3)) {
			/*
			 * TMA400 size and orientation fields:
			 * if pressure is non-zero and major touch
			 * signal is zero, then set major and minor touch
			 * signals to minimum non-zero value
			 */
			if (tch.abs[CY_TCH_P] > 0 && tch.abs[CY_TCH_MAJ] == 0)
				tch.abs[CY_TCH_MAJ] = tch.abs[CY_TCH_MIN] = 1;

			/* Get the extended touch fields */
			for (j = 0; j < CY_NUM_EXT_TCH_FIELDS; j++) {
				sig = md->pdata->frmwrk->abs
					[((CY_ABS_MAJ_OST + j) *
					CY_NUM_ABS_SET) + 0];
				if (sig != CY_IGNORE_VALUE)
					input_report_abs(md->input, sig,
						tch.abs[CY_TCH_MAJ + j]);
			}
		}
		if (md->mt_function.input_sync)
			md->mt_function.input_sync(md->input);
		mt_sync_count++;

cyttsp4_get_mt_touches_pr_tch:
		if (IS_TTSP_VER_GE(si, 2, 3))
			dev_dbg(dev,
				"%s: t=%d x=%d y=%d z=%d M=%d m=%d o=%d e=%d\n",
				__func__, t,
				tch.abs[CY_TCH_X],
				tch.abs[CY_TCH_Y],
				tch.abs[CY_TCH_P],
				tch.abs[CY_TCH_MAJ],
				tch.abs[CY_TCH_MIN],
				tch.abs[CY_TCH_OR],
				tch.abs[CY_TCH_E]);
		else
			dev_dbg(dev,
				"%s: t=%d x=%d y=%d z=%d e=%d\n", __func__,
				t,
				tch.abs[CY_TCH_X],
				tch.abs[CY_TCH_Y],
				tch.abs[CY_TCH_P],
				tch.abs[CY_TCH_E]);
	}

	if (md->mt_function.final_sync)
		md->mt_function.final_sync(md->input,
			si->si_ofs.tch_abs[CY_TCH_T].max, mt_sync_count, ids);

	md->num_prv_rec = num_cur_rec;
	md->prv_tch_type = tch.abs[CY_TCH_O];

	return;
}
Example #16
0
static int acm_probe(struct usb_interface *intf,
		     const struct usb_device_id *id)
{
	struct usb_cdc_union_desc *union_header = NULL;
	struct usb_cdc_country_functional_desc *cfd = NULL;
	unsigned char *buffer = intf->altsetting->extra;
	int buflen = intf->altsetting->extralen;
	struct usb_interface *control_interface;
	struct usb_interface *data_interface;
	struct usb_endpoint_descriptor *epctrl = NULL;
	struct usb_endpoint_descriptor *epread = NULL;
	struct usb_endpoint_descriptor *epwrite = NULL;
	struct usb_device *usb_dev = interface_to_usbdev(intf);
	struct acm *acm;
	int minor;
	int ctrlsize, readsize;
	u8 *buf;
	u8 ac_management_function = 0;
	u8 call_management_function = 0;
	int call_interface_num = -1;
	int data_interface_num = -1;
	unsigned long quirks;
	int num_rx_buf;
	int i;
	int combined_interfaces = 0;

	/* normal quirks */
	quirks = (unsigned long)id->driver_info;
	num_rx_buf = (quirks == SINGLE_RX_URB) ? 1 : ACM_NR;

	/* handle quirks deadly to normal probing*/
	if (quirks == NO_UNION_NORMAL) {
		data_interface = usb_ifnum_to_if(usb_dev, 1);
		control_interface = usb_ifnum_to_if(usb_dev, 0);
		goto skip_normal_probe;
	}

	/* normal probing*/
	if (!buffer) {
		dev_err(&intf->dev, "Weird descriptor references\n");
		return -EINVAL;
	}

	if (!buflen) {
		if (intf->cur_altsetting->endpoint &&
				intf->cur_altsetting->endpoint->extralen &&
				intf->cur_altsetting->endpoint->extra) {
			dev_dbg(&intf->dev,
				"Seeking extra descriptors on endpoint\n");
			buflen = intf->cur_altsetting->endpoint->extralen;
			buffer = intf->cur_altsetting->endpoint->extra;
		} else {
			dev_err(&intf->dev,
				"Zero length descriptor references\n");
			return -EINVAL;
		}
	}

	while (buflen > 0) {
		if (buffer[1] != USB_DT_CS_INTERFACE) {
			dev_err(&intf->dev, "skipping garbage\n");
			goto next_desc;
		}

		switch (buffer[2]) {
		case USB_CDC_UNION_TYPE: /* we've found it */
			if (union_header) {
				dev_err(&intf->dev, "More than one "
					"union descriptor, skipping ...\n");
				goto next_desc;
			}
			union_header = (struct usb_cdc_union_desc *)buffer;
			break;
		case USB_CDC_COUNTRY_TYPE: /* export through sysfs*/
			cfd = (struct usb_cdc_country_functional_desc *)buffer;
			break;
		case USB_CDC_HEADER_TYPE: /* maybe check version */
			break; /* for now we ignore it */
		case USB_CDC_ACM_TYPE:
			ac_management_function = buffer[3];
			break;
		case USB_CDC_CALL_MANAGEMENT_TYPE:
			call_management_function = buffer[3];
			call_interface_num = buffer[4];
			if ( (quirks & NOT_A_MODEM) == 0 && (call_management_function & 3) != 3)
				dev_err(&intf->dev, "This device cannot do calls on its own. It is not a modem.\n");
			break;
		default:
			/* there are LOTS more CDC descriptors that
			 * could legitimately be found here.
			 */
			dev_dbg(&intf->dev, "Ignoring descriptor: "
					"type %02x, length %d\n",
					buffer[2], buffer[0]);
			break;
		}
next_desc:
		buflen -= buffer[0];
		buffer += buffer[0];
	}

	if (!union_header) {
		if (call_interface_num > 0) {
			dev_dbg(&intf->dev, "No union descriptor, using call management descriptor\n");
			/* quirks for Droids MuIn LCD */
			if (quirks & NO_DATA_INTERFACE)
				data_interface = usb_ifnum_to_if(usb_dev, 0);
			else
				data_interface = usb_ifnum_to_if(usb_dev, (data_interface_num = call_interface_num));
			control_interface = intf;
		} else {
			if (intf->cur_altsetting->desc.bNumEndpoints != 3) {
				dev_dbg(&intf->dev,"No union descriptor, giving up\n");
				return -ENODEV;
			} else {
				dev_warn(&intf->dev,"No union descriptor, testing for castrated device\n");
				combined_interfaces = 1;
				control_interface = data_interface = intf;
				goto look_for_collapsed_interface;
			}
		}
	} else {
		control_interface = usb_ifnum_to_if(usb_dev, union_header->bMasterInterface0);
		data_interface = usb_ifnum_to_if(usb_dev, (data_interface_num = union_header->bSlaveInterface0));
		if (!control_interface || !data_interface) {
			dev_dbg(&intf->dev, "no interfaces\n");
			return -ENODEV;
		}
	}

	if (data_interface_num != call_interface_num)
		dev_dbg(&intf->dev, "Separate call control interface. That is not fully supported.\n");

	if (control_interface == data_interface) {
		/* some broken devices designed for windows work this way */
		dev_warn(&intf->dev,"Control and data interfaces are not separated!\n");
		combined_interfaces = 1;
		/* a popular other OS doesn't use it */
		quirks |= NO_CAP_LINE;
		if (data_interface->cur_altsetting->desc.bNumEndpoints != 3) {
			dev_err(&intf->dev, "This needs exactly 3 endpoints\n");
			return -EINVAL;
		}
look_for_collapsed_interface:
		for (i = 0; i < 3; i++) {
			struct usb_endpoint_descriptor *ep;
			ep = &data_interface->cur_altsetting->endpoint[i].desc;

			if (usb_endpoint_is_int_in(ep))
				epctrl = ep;
			else if (usb_endpoint_is_bulk_out(ep))
				epwrite = ep;
			else if (usb_endpoint_is_bulk_in(ep))
				epread = ep;
			else
				return -EINVAL;
		}
		if (!epctrl || !epread || !epwrite)
			return -ENODEV;
		else
			goto made_compressed_probe;
	}

skip_normal_probe:

	/*workaround for switched interfaces */
	if (data_interface->cur_altsetting->desc.bInterfaceClass
						!= CDC_DATA_INTERFACE_TYPE) {
		if (control_interface->cur_altsetting->desc.bInterfaceClass
						== CDC_DATA_INTERFACE_TYPE) {
			struct usb_interface *t;
			dev_dbg(&intf->dev,
				"Your device has switched interfaces.\n");
			t = control_interface;
			control_interface = data_interface;
			data_interface = t;
		} else {
			return -EINVAL;
		}
	}

	/* Accept probe requests only for the control interface */
	if (!combined_interfaces && intf != control_interface)
		return -ENODEV;

	if (!combined_interfaces && usb_interface_claimed(data_interface)) {
		/* valid in this context */
		dev_dbg(&intf->dev, "The data interface isn't available\n");
		return -EBUSY;
	}


	if (data_interface->cur_altsetting->desc.bNumEndpoints < 2 ||
	    control_interface->cur_altsetting->desc.bNumEndpoints == 0)
		return -EINVAL;

	epctrl = &control_interface->cur_altsetting->endpoint[0].desc;
	epread = &data_interface->cur_altsetting->endpoint[0].desc;
	epwrite = &data_interface->cur_altsetting->endpoint[1].desc;


	/* workaround for switched endpoints */
	if (!usb_endpoint_dir_in(epread)) {
		/* descriptors are swapped */
		struct usb_endpoint_descriptor *t;
		dev_dbg(&intf->dev,
			"The data interface has switched endpoints\n");
		t = epread;
		epread = epwrite;
		epwrite = t;
	}
made_compressed_probe:
	dev_dbg(&intf->dev, "interfaces are valid\n");

	acm = kzalloc(sizeof(struct acm), GFP_KERNEL);
	if (acm == NULL) {
		dev_err(&intf->dev, "out of memory (acm kzalloc)\n");
		goto alloc_fail;
	}

	minor = acm_alloc_minor(acm);
	if (minor == ACM_TTY_MINORS) {
		dev_err(&intf->dev, "no more free acm devices\n");
		kfree(acm);
		return -ENODEV;
	}

	ctrlsize = usb_endpoint_maxp(epctrl);
	readsize = usb_endpoint_maxp(epread) *
				(quirks == SINGLE_RX_URB ? 1 : 2);
	acm->combined_interfaces = combined_interfaces;
	acm->writesize = usb_endpoint_maxp(epwrite) * 20;
	acm->control = control_interface;
	acm->data = data_interface;
	acm->minor = minor;
	acm->dev = usb_dev;
	acm->ctrl_caps = ac_management_function;
	if (quirks & NO_CAP_LINE)
		acm->ctrl_caps &= ~USB_CDC_CAP_LINE;
	acm->ctrlsize = ctrlsize;
	acm->readsize = readsize;
	acm->rx_buflimit = num_rx_buf;
	INIT_WORK(&acm->work, acm_softint);
	spin_lock_init(&acm->write_lock);
	spin_lock_init(&acm->read_lock);
	mutex_init(&acm->mutex);
	acm->rx_endpoint = usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress);
	acm->is_int_ep = usb_endpoint_xfer_int(epread);
	if (acm->is_int_ep)
		acm->bInterval = epread->bInterval;
	tty_port_init(&acm->port);
	acm->port.ops = &acm_port_ops;

	buf = usb_alloc_coherent(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma);
	if (!buf) {
		dev_err(&intf->dev, "out of memory (ctrl buffer alloc)\n");
		goto alloc_fail2;
	}
	acm->ctrl_buffer = buf;

	if (acm_write_buffers_alloc(acm) < 0) {
		dev_err(&intf->dev, "out of memory (write buffer alloc)\n");
		goto alloc_fail4;
	}

	acm->ctrlurb = usb_alloc_urb(0, GFP_KERNEL);
	if (!acm->ctrlurb) {
		dev_err(&intf->dev, "out of memory (ctrlurb kmalloc)\n");
		goto alloc_fail5;
	}
	for (i = 0; i < num_rx_buf; i++) {
		struct acm_rb *rb = &(acm->read_buffers[i]);
		struct urb *urb;

		rb->base = usb_alloc_coherent(acm->dev, readsize, GFP_KERNEL,
								&rb->dma);
		if (!rb->base) {
			dev_err(&intf->dev, "out of memory "
					"(read bufs usb_alloc_coherent)\n");
			goto alloc_fail6;
		}
		rb->index = i;
		rb->instance = acm;

		urb = usb_alloc_urb(0, GFP_KERNEL);
		if (!urb) {
			dev_err(&intf->dev,
				"out of memory (read urbs usb_alloc_urb)\n");
			goto alloc_fail6;
		}
		urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
		urb->transfer_dma = rb->dma;
		if (acm->is_int_ep) {
			usb_fill_int_urb(urb, acm->dev,
					 acm->rx_endpoint,
					 rb->base,
					 acm->readsize,
					 acm_read_bulk_callback, rb,
					 acm->bInterval);
		} else {
			usb_fill_bulk_urb(urb, acm->dev,
					  acm->rx_endpoint,
					  rb->base,
					  acm->readsize,
					  acm_read_bulk_callback, rb);
		}

		acm->read_urbs[i] = urb;
		__set_bit(i, &acm->read_urbs_free);
	}
	for (i = 0; i < ACM_NW; i++) {
		struct acm_wb *snd = &(acm->wb[i]);

		snd->urb = usb_alloc_urb(0, GFP_KERNEL);
		if (snd->urb == NULL) {
			dev_err(&intf->dev,
				"out of memory (write urbs usb_alloc_urb)\n");
			goto alloc_fail7;
		}

		if (usb_endpoint_xfer_int(epwrite))
			usb_fill_int_urb(snd->urb, usb_dev,
				usb_sndintpipe(usb_dev, epwrite->bEndpointAddress),
				NULL, acm->writesize, acm_write_bulk, snd, epwrite->bInterval);
		else
			usb_fill_bulk_urb(snd->urb, usb_dev,
				usb_sndbulkpipe(usb_dev, epwrite->bEndpointAddress),
				NULL, acm->writesize, acm_write_bulk, snd);
		snd->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
		snd->instance = acm;
	}

	usb_set_intfdata(intf, acm);

	i = device_create_file(&intf->dev, &dev_attr_bmCapabilities);
	if (i < 0)
		goto alloc_fail7;

	if (cfd) { /* export the country data */
		acm->country_codes = kmalloc(cfd->bLength - 4, GFP_KERNEL);
		if (!acm->country_codes)
			goto skip_countries;
		acm->country_code_size = cfd->bLength - 4;
		memcpy(acm->country_codes, (u8 *)&cfd->wCountyCode0,
							cfd->bLength - 4);
		acm->country_rel_date = cfd->iCountryCodeRelDate;

		i = device_create_file(&intf->dev, &dev_attr_wCountryCodes);
		if (i < 0) {
			kfree(acm->country_codes);
			acm->country_codes = NULL;
			acm->country_code_size = 0;
			goto skip_countries;
		}

		i = device_create_file(&intf->dev,
						&dev_attr_iCountryCodeRelDate);
		if (i < 0) {
			device_remove_file(&intf->dev, &dev_attr_wCountryCodes);
			kfree(acm->country_codes);
			acm->country_codes = NULL;
			acm->country_code_size = 0;
			goto skip_countries;
		}
	}

skip_countries:
	usb_fill_int_urb(acm->ctrlurb, usb_dev,
			 usb_rcvintpipe(usb_dev, epctrl->bEndpointAddress),
			 acm->ctrl_buffer, ctrlsize, acm_ctrl_irq, acm,
			 /* works around buggy devices */
			 epctrl->bInterval ? epctrl->bInterval : 0xff);
	acm->ctrlurb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
	acm->ctrlurb->transfer_dma = acm->ctrl_dma;

	dev_info(&intf->dev, "ttyACM%d: USB ACM device\n", minor);

	acm_set_control(acm, acm->ctrlout);

	acm->line.dwDTERate = cpu_to_le32(9600);
	acm->line.bDataBits = 8;
	acm_set_line(acm, &acm->line);

	usb_driver_claim_interface(&acm_driver, data_interface, acm);
	usb_set_intfdata(data_interface, acm);

	usb_get_intf(control_interface);
	tty_register_device(acm_tty_driver, minor, &control_interface->dev);

	return 0;
alloc_fail7:
	for (i = 0; i < ACM_NW; i++)
		usb_free_urb(acm->wb[i].urb);
alloc_fail6:
	for (i = 0; i < num_rx_buf; i++)
		usb_free_urb(acm->read_urbs[i]);
	acm_read_buffers_free(acm);
	usb_free_urb(acm->ctrlurb);
alloc_fail5:
	acm_write_buffers_free(acm);
alloc_fail4:
	usb_free_coherent(usb_dev, ctrlsize, acm->ctrl_buffer, acm->ctrl_dma);
alloc_fail2:
	acm_release_minor(acm);
	kfree(acm);
alloc_fail:
	return -ENOMEM;
}
static irqreturn_t powerbutton_irq(int irq, void *_pwr)
{
	struct twl6030_pwr_button *pwr = _pwr;
	int hw_state;
	int pwr_val;
	static int prev_hw_state = 0xFFFF;
	static int push_release_flag;

	hw_state = twl6030_readb(pwr, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);
	pwr_val = !(hw_state & PWR_PWRON_IRQ);
    printk("%s: power button status %d\n", __func__, pwr_val);
//[email protected] => [START]  keylock command
#if defined(CONFIG_MACH_LGE_COSMO) || defined(CONFIG_MACH_LGE_CX2)
	if ((prev_hw_state != pwr_val) && (prev_hw_state != 0xFFFF) && (!atcmd_keylock)) {
#else
	if ((prev_hw_state != pwr_val) && (prev_hw_state != 0xFFFF)) {
#endif
//[email protected] <= [END]
		push_release_flag = 0;
		input_report_key(pwr->input_dev, pwr->report_key, pwr_val);
		input_sync(pwr->input_dev);
//[email protected] => [START]  keylock command
#if defined(CONFIG_MACH_LGE_COSMO) || defined(CONFIG_MACH_LGE_CX2)
	} else if ((!push_release_flag) && (!atcmd_keylock)) {
#else
	} else if (!push_release_flag) {
#endif
//[email protected] <= [END]
		push_release_flag = 1;
		input_report_key(pwr->input_dev, pwr->report_key, !pwr_val);
		input_sync(pwr->input_dev);

		msleep(20);

		input_report_key(pwr->input_dev, pwr->report_key, pwr_val);
		input_sync(pwr->input_dev);
	} else
		push_release_flag = 0;

	prev_hw_state = pwr_val;

	return IRQ_HANDLED;
}

static int __devinit twl6030_pwrbutton_probe(struct platform_device *pdev)
{
	struct twl6030_pwr_button *pwr_button;
	int irq = platform_get_irq(pdev, 0);
	int err = -ENODEV;

	pr_info("%s: Enter\n", __func__);
	pwr_button = kzalloc(sizeof(struct twl6030_pwr_button), GFP_KERNEL);
	if (!pwr_button)
		return -ENOMEM;

	pwr_button->input_dev = input_allocate_device();
	if (!pwr_button->input_dev) {
		dev_dbg(&pdev->dev, "Can't allocate power button\n");
		goto input_error;
	}

	__set_bit(EV_KEY, pwr_button->input_dev->evbit);

	pwr_button->report_key = KEY_POWER;
	pwr_button->dev = &pdev->dev;
	pwr_button->input_dev->evbit[0] = BIT_MASK(EV_KEY);
	pwr_button->input_dev->keybit[BIT_WORD(pwr_button->report_key)] =
			BIT_MASK(pwr_button->report_key);
	pwr_button->input_dev->name = "twl6030_pwrbutton";
	pwr_button->input_dev->phys = "twl6030_pwrbutton/input0";
	pwr_button->input_dev->dev.parent = &pdev->dev;

	err = request_threaded_irq(irq, NULL, powerbutton_irq,
			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
			"twl6030_pwrbutton", pwr_button);
	if (err < 0) {
		dev_dbg(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err);
		goto free_input_dev;
	}

	err = input_register_device(pwr_button->input_dev);
	if (err) {
		dev_dbg(&pdev->dev, "Can't register power button: %d\n", err);
		goto free_irq;
	}

	twl6030_interrupt_unmask(0x01, REG_INT_MSK_LINE_A);
	twl6030_interrupt_unmask(0x01, REG_INT_MSK_STS_A);

	platform_set_drvdata(pdev, pwr_button);

	return 0;

free_irq:
	free_irq(irq, NULL);
free_input_dev:
	input_free_device(pwr_button->input_dev);
input_error:
	kfree(pwr_button);
	return err;
}

static int __devexit twl6030_pwrbutton_remove(struct platform_device *pdev)
{
	struct input_dev *pwr = platform_get_drvdata(pdev);
	int irq = platform_get_irq(pdev, 0);

	free_irq(irq, pwr);
	input_unregister_device(pwr);

	return 0;
}

struct platform_driver twl6030_pwrbutton_driver = {
	.probe		= twl6030_pwrbutton_probe,
	.remove		= __devexit_p(twl6030_pwrbutton_remove),
	.driver		= {
		.name	= "twl6030_pwrbutton",
		.owner	= THIS_MODULE,
	},
};

static int __init twl6030_pwrbutton_init(void)
{
	return platform_driver_register(&twl6030_pwrbutton_driver);
}
module_init(twl6030_pwrbutton_init);

static void __exit twl6030_pwrbutton_exit(void)
{
	platform_driver_unregister(&twl6030_pwrbutton_driver);
}
Example #18
0
static int igt_random_insert_remove(void *arg)
{
	const u32 seqno_bias = 0x1000;
	I915_RND_STATE(prng);
	struct intel_engine_cs *engine = arg;
	struct intel_wait *waiters;
	const int count = 4096;
	unsigned int *order;
	unsigned long *bitmap;
	int err = -ENOMEM;
	int n;

	mock_engine_reset(engine);

	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_KERNEL);
	if (!waiters)
		goto out_engines;

	bitmap = kcalloc(DIV_ROUND_UP(count, BITS_PER_LONG), sizeof(*bitmap),
			 GFP_KERNEL);
	if (!bitmap)
		goto out_waiters;

	order = i915_random_order(count, &prng);
	if (!order)
		goto out_bitmap;

	for (n = 0; n < count; n++)
		intel_wait_init_for_seqno(&waiters[n], seqno_bias + n);

	err = check_rbtree(engine, bitmap, waiters, count);
	if (err)
		goto out_order;

	/* Add and remove waiters into the rbtree in random order. At each
	 * step, we verify that the rbtree is correctly ordered.
	 */
	for (n = 0; n < count; n++) {
		int i = order[n];

		intel_engine_add_wait(engine, &waiters[i]);
		__set_bit(i, bitmap);

		err = check_rbtree(engine, bitmap, waiters, count);
		if (err)
			goto out_order;
	}

	i915_random_reorder(order, count, &prng);
	for (n = 0; n < count; n++) {
		int i = order[n];

		intel_engine_remove_wait(engine, &waiters[i]);
		__clear_bit(i, bitmap);

		err = check_rbtree(engine, bitmap, waiters, count);
		if (err)
			goto out_order;
	}

	err = check_rbtree_empty(engine);
out_order:
	kfree(order);
out_bitmap:
	kfree(bitmap);
out_waiters:
	kvfree(waiters);
out_engines:
	mock_engine_flush(engine);
	return err;
}
Example #19
0
static int phylink_parse_fixedlink(struct phylink *pl,
				   struct fwnode_handle *fwnode)
{
	struct fwnode_handle *fixed_node;
	const struct phy_setting *s;
	struct gpio_desc *desc;
	u32 speed;
	int ret;

	fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link");
	if (fixed_node) {
		ret = fwnode_property_read_u32(fixed_node, "speed", &speed);

		pl->link_config.speed = speed;
		pl->link_config.duplex = DUPLEX_HALF;

		if (fwnode_property_read_bool(fixed_node, "full-duplex"))
			pl->link_config.duplex = DUPLEX_FULL;

		/* We treat the "pause" and "asym-pause" terminology as
		 * defining the link partner's ability. */
		if (fwnode_property_read_bool(fixed_node, "pause"))
			pl->link_config.pause |= MLO_PAUSE_SYM;
		if (fwnode_property_read_bool(fixed_node, "asym-pause"))
			pl->link_config.pause |= MLO_PAUSE_ASYM;

		if (ret == 0) {
			desc = fwnode_get_named_gpiod(fixed_node, "link-gpios",
						      0, GPIOD_IN, "?");

			if (!IS_ERR(desc))
				pl->link_gpio = desc;
			else if (desc == ERR_PTR(-EPROBE_DEFER))
				ret = -EPROBE_DEFER;
		}
		fwnode_handle_put(fixed_node);

		if (ret)
			return ret;
	} else {
		u32 prop[5];

		ret = fwnode_property_read_u32_array(fwnode, "fixed-link",
						     NULL, 0);
		if (ret != ARRAY_SIZE(prop)) {
			netdev_err(pl->netdev, "broken fixed-link?\n");
			return -EINVAL;
		}

		ret = fwnode_property_read_u32_array(fwnode, "fixed-link",
						     prop, ARRAY_SIZE(prop));
		if (!ret) {
			pl->link_config.duplex = prop[1] ?
						DUPLEX_FULL : DUPLEX_HALF;
			pl->link_config.speed = prop[2];
			if (prop[3])
				pl->link_config.pause |= MLO_PAUSE_SYM;
			if (prop[4])
				pl->link_config.pause |= MLO_PAUSE_ASYM;
		}
	}

	if (pl->link_config.speed > SPEED_1000 &&
	    pl->link_config.duplex != DUPLEX_FULL)
		netdev_warn(pl->netdev, "fixed link specifies half duplex for %dMbps link?\n",
			    pl->link_config.speed);

	bitmap_fill(pl->supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
	linkmode_copy(pl->link_config.advertising, pl->supported);
	phylink_validate(pl, pl->supported, &pl->link_config);

	s = phy_lookup_setting(pl->link_config.speed, pl->link_config.duplex,
			       pl->supported, true);
	linkmode_zero(pl->supported);
	phylink_set(pl->supported, MII);
	if (s) {
		__set_bit(s->bit, pl->supported);
	} else {
		netdev_warn(pl->netdev, "fixed link %s duplex %dMbps not recognised\n",
			    pl->link_config.duplex == DUPLEX_FULL ? "full" : "half",
			    pl->link_config.speed);
	}

	linkmode_and(pl->link_config.advertising, pl->link_config.advertising,
		     pl->supported);

	pl->link_config.link = 1;
	pl->link_config.an_complete = 1;

	return 0;
}
Example #20
0
static int igt_insert_complete(void *arg)
{
	const u32 seqno_bias = 0x1000;
	struct intel_engine_cs *engine = arg;
	struct intel_wait *waiters;
	const int count = 4096;
	unsigned long *bitmap;
	int err = -ENOMEM;
	int n, m;

	mock_engine_reset(engine);

	waiters = kvmalloc_array(count, sizeof(*waiters), GFP_KERNEL);
	if (!waiters)
		goto out_engines;

	bitmap = kcalloc(DIV_ROUND_UP(count, BITS_PER_LONG), sizeof(*bitmap),
			 GFP_KERNEL);
	if (!bitmap)
		goto out_waiters;

	for (n = 0; n < count; n++) {
		intel_wait_init_for_seqno(&waiters[n], n + seqno_bias);
		intel_engine_add_wait(engine, &waiters[n]);
		__set_bit(n, bitmap);
	}
	err = check_rbtree(engine, bitmap, waiters, count);
	if (err)
		goto out_bitmap;

	/* On each step, we advance the seqno so that several waiters are then
	 * complete (we increase the seqno by increasingly larger values to
	 * retire more and more waiters at once). All retired waiters should
	 * be woken and removed from the rbtree, and so that we check.
	 */
	for (n = 0; n < count; n = m) {
		int seqno = 2 * n;

		GEM_BUG_ON(find_first_bit(bitmap, count) != n);

		if (intel_wait_complete(&waiters[n])) {
			pr_err("waiter[%d, seqno=%d] completed too early\n",
			       n, waiters[n].seqno);
			err = -EINVAL;
			goto out_bitmap;
		}

		/* complete the following waiters */
		mock_seqno_advance(engine, seqno + seqno_bias);
		for (m = n; m <= seqno; m++) {
			if (m == count)
				break;

			GEM_BUG_ON(!test_bit(m, bitmap));
			__clear_bit(m, bitmap);
		}

		intel_engine_remove_wait(engine, &waiters[n]);
		RB_CLEAR_NODE(&waiters[n].node);

		err = check_rbtree(engine, bitmap, waiters, count);
		if (err) {
			pr_err("rbtree corrupt after seqno advance to %d\n",
			       seqno + seqno_bias);
			goto out_bitmap;
		}

		err = check_completion(engine, bitmap, waiters, count);
		if (err) {
			pr_err("completions after seqno advance to %d failed\n",
			       seqno + seqno_bias);
			goto out_bitmap;
		}
	}

	err = check_rbtree_empty(engine);
out_bitmap:
	kfree(bitmap);
out_waiters:
	kvfree(waiters);
out_engines:
	mock_engine_flush(engine);
	return err;
}
Example #21
0
/* pasemi_dma_init - Initialize the PA Semi DMA library
 *
 * This function initializes the DMA library. It must be called before
 * any other function in the library.
 *
 * Returns 0 on success, errno on failure.
 */
int pasemi_dma_init(void)
{
	static DEFINE_SPINLOCK(init_lock);
	struct pci_dev *iob_pdev;
	struct pci_dev *pdev;
	struct resource res;
	struct device_node *dn;
	int i, intf, err = 0;
	unsigned long timeout;
	u32 tmp;

	if (!machine_is(pasemi))
		return -ENODEV;

	spin_lock(&init_lock);

	/* Make sure we haven't already initialized */
	if (dma_pdev)
		goto out;

	iob_pdev = pci_get_device(PCI_VENDOR_ID_PASEMI, 0xa001, NULL);
	if (!iob_pdev) {
		BUG();
		pr_warn("Can't find I/O Bridge\n");
		err = -ENODEV;
		goto out;
	}
	iob_regs = map_onedev(iob_pdev, 0);

	dma_pdev = pci_get_device(PCI_VENDOR_ID_PASEMI, 0xa007, NULL);
	if (!dma_pdev) {
		BUG();
		pr_warn("Can't find DMA controller\n");
		err = -ENODEV;
		goto out;
	}
	dma_regs = map_onedev(dma_pdev, 0);
	base_hw_irq = virq_to_hw(dma_pdev->irq);

	pci_read_config_dword(dma_pdev, PAS_DMA_CAP_TXCH, &tmp);
	num_txch = (tmp & PAS_DMA_CAP_TXCH_TCHN_M) >> PAS_DMA_CAP_TXCH_TCHN_S;

	pci_read_config_dword(dma_pdev, PAS_DMA_CAP_RXCH, &tmp);
	num_rxch = (tmp & PAS_DMA_CAP_RXCH_RCHN_M) >> PAS_DMA_CAP_RXCH_RCHN_S;

	intf = 0;
	for (pdev = pci_get_device(PCI_VENDOR_ID_PASEMI, 0xa006, NULL);
	     pdev;
	     pdev = pci_get_device(PCI_VENDOR_ID_PASEMI, 0xa006, pdev))
		mac_regs[intf++] = map_onedev(pdev, 0);

	pci_dev_put(pdev);

	for (pdev = pci_get_device(PCI_VENDOR_ID_PASEMI, 0xa005, NULL);
	     pdev;
	     pdev = pci_get_device(PCI_VENDOR_ID_PASEMI, 0xa005, pdev))
		mac_regs[intf++] = map_onedev(pdev, 0);

	pci_dev_put(pdev);

	dn = pci_device_to_OF_node(iob_pdev);
	if (dn)
		err = of_address_to_resource(dn, 1, &res);
	if (!dn || err) {
		/* Fallback for old firmware */
		res.start = 0xfd800000;
		res.end = res.start + 0x1000;
	}
	dma_status = ioremap_cache(res.start, resource_size(&res));
	pci_dev_put(iob_pdev);

	for (i = 0; i < MAX_TXCH; i++)
		__set_bit(i, txch_free);

	for (i = 0; i < MAX_RXCH; i++)
		__set_bit(i, rxch_free);

	timeout = jiffies + HZ;
	pasemi_write_dma_reg(PAS_DMA_COM_RXCMD, 0);
	while (pasemi_read_dma_reg(PAS_DMA_COM_RXSTA) & 1) {
		if (time_after(jiffies, timeout)) {
			pr_warn("Warning: Could not disable RX section\n");
			break;
		}
	}

	timeout = jiffies + HZ;
	pasemi_write_dma_reg(PAS_DMA_COM_TXCMD, 0);
	while (pasemi_read_dma_reg(PAS_DMA_COM_TXSTA) & 1) {
		if (time_after(jiffies, timeout)) {
			pr_warn("Warning: Could not disable TX section\n");
			break;
		}
	}

	/* setup resource allocations for the different DMA sections */
	tmp = pasemi_read_dma_reg(PAS_DMA_COM_CFG);
	pasemi_write_dma_reg(PAS_DMA_COM_CFG, tmp | 0x18000000);

	/* enable tx section */
	pasemi_write_dma_reg(PAS_DMA_COM_TXCMD, PAS_DMA_COM_TXCMD_EN);

	/* enable rx section */
	pasemi_write_dma_reg(PAS_DMA_COM_RXCMD, PAS_DMA_COM_RXCMD_EN);

	for (i = 0; i < MAX_FLAGS; i++)
		__set_bit(i, flags_free);

	for (i = 0; i < MAX_FUN; i++)
		__set_bit(i, fun_free);

	/* clear all status flags */
	pasemi_write_dma_reg(PAS_DMA_TXF_CFLG0, 0xffffffff);
	pasemi_write_dma_reg(PAS_DMA_TXF_CFLG1, 0xffffffff);

	pr_info("PA Semi PWRficient DMA library initialized "
		"(%d tx, %d rx channels)\n", num_txch, num_rxch);

out:
	spin_unlock(&init_lock);
	return err;
}
Example #22
0
/*
 * keypad controller should be initialized in the following sequence
 * only, otherwise it might get into FSM stuck state.
 *
 * - Initialize keypad control parameters, like no. of rows, columns,
 *   timing values etc.,
 * - configure rows and column gpios pull up/down.
 * - set irq edge type.
 * - enable the keypad controller.
 */
static int __devinit pmic8058_kp_probe(struct platform_device *pdev)
{
	struct pmic8058_keypad_data *pdata = pdev->dev.platform_data;
	struct pmic8058_kp *kp;
	int rc, i;
	unsigned short *keycodes;
	u8 ctrl_val;

	if (!pdata || !pdata->num_cols || !pdata->num_rows ||
		pdata->num_cols > MATRIX_MAX_COLS ||
		pdata->num_rows > MATRIX_MAX_ROWS ||
		!pdata->keymap) {
		dev_err(&pdev->dev, "invalid platform data\n");
		return -EINVAL;
	}

	if (pdata->rows_gpio_start < 0 || pdata->cols_gpio_start < 0) {
		dev_err(&pdev->dev, "invalid gpio_start platform data\n");
		return -EINVAL;
	}

	if (!pdata->scan_delay_ms || pdata->scan_delay_ms > MAX_SCAN_DELAY
		|| pdata->scan_delay_ms < MIN_SCAN_DELAY ||
		!is_power_of_2(pdata->scan_delay_ms)) {
		dev_err(&pdev->dev, "invalid keypad scan time supplied\n");
		return -EINVAL;
	}

	rc = pm8058_read(PM8058_REV, &rev, 1);
	pr_info("PMIC4 is at %X revision\n", rev);

	if (rev == PMIC8058_REV_A0) {
		if (!pdata->debounce_ms || !is_power_of_2(pdata->debounce_ms)
				|| pdata->debounce_ms > MAX_DEBOUNCE_A0_TIME
				|| pdata->debounce_ms < MIN_DEBOUNCE_A0_TIME) {
			dev_err(&pdev->dev, "invalid debounce time supplied\n");
			return -EINVAL;
		}
	} else {
		if (!pdata->debounce_ms || ((pdata->debounce_ms % 5) != 0)
				|| pdata->debounce_ms > MAX_DEBOUNCE_B0_TIME
				|| pdata->debounce_ms < MIN_DEBOUNCE_B0_TIME) {
			dev_err(&pdev->dev, "invalid debounce time supplied\n");
			return -EINVAL;
		}
	}

	kp = kzalloc(sizeof(*kp), GFP_KERNEL);
	if (!kp)
		return -ENOMEM;

	keycodes = kzalloc(MATRIX_MAX_SIZE * sizeof(keycodes), GFP_KERNEL);
	if (!keycodes) {
		rc = -ENOMEM;
		goto err_alloc_mem;
	}

	platform_set_drvdata(pdev, kp);

	kp->pdata	= pdata;
	kp->dev		= &pdev->dev;
	kp->keycodes	= keycodes;

	/* REVISIT: actual revision with the fix */
	if (rev <= PMIC8058_REV_B0)
		kp->flags |= KEYF_FIX_LAST_ROW;

	kp->input = input_allocate_device();
	if (!kp->input) {
		dev_err(&pdev->dev, "unable to allocate input device\n");
		rc = -ENOMEM;
		goto err_alloc_device;
	}

	kp->key_sense_irq = platform_get_irq(pdev, 0);
	if (kp->key_sense_irq < 0) {
		dev_err(&pdev->dev, "unable to get keypad sense irq\n");
		rc = -ENXIO;
		goto err_get_irq;
	}

	kp->key_stuck_irq = platform_get_irq(pdev, 1);
	if (kp->key_stuck_irq < 0) {
		dev_err(&pdev->dev, "unable to get keypad stuck irq\n");
		rc = -ENXIO;
		goto err_get_irq;
	}

	if (pdata->input_name)
		kp->input->name = pdata->input_name;
	else
		kp->input->name = "PMIC8058 keypad";

	if (pdata->input_phys_device)
		kp->input->phys = pdata->input_phys_device;
	else
		kp->input->phys = "pmic8058_keypad/input0";

	kp->input->dev.parent	= &pdev->dev;

	kp->input->id.bustype	= BUS_HOST;
	kp->input->id.version	= 0x0001;
	kp->input->id.product	= 0x0001;
	kp->input->id.vendor	= 0x0001;

	kp->input->evbit[0]	= BIT_MASK(EV_KEY);

	if (pdata->rep)
		__set_bit(EV_REP, kp->input->evbit);

	kp->input->keycode	= keycodes;
	kp->input->keycodemax	= MATRIX_MAX_SIZE;
	kp->input->keycodesize	= sizeof(*keycodes);

	/* build keycodes for faster scanning */
	for (i = 0; i < pdata->keymap_size; i++) {
		unsigned int row = KEY_ROW(pdata->keymap[i]);
		unsigned int col = KEY_COL(pdata->keymap[i]);
		unsigned short keycode = KEY_VAL(pdata->keymap[i]);

		keycodes[(row << 3) + col] = keycode;
		__set_bit(keycode, kp->input->keybit);
	}
	__clear_bit(KEY_RESERVED, kp->input->keybit);

	input_set_capability(kp->input, EV_MSC, MSC_SCAN);
	input_set_drvdata(kp->input, kp);

	rc = input_register_device(kp->input);
	if (rc < 0) {
		dev_err(&pdev->dev, "unable to register keypad input device\n");
		goto err_get_irq;
	}

	/* initialize keypad state */
	memset(kp->keystate, 0xff, sizeof(kp->keystate));

	rc = pmic8058_kpd_init(kp);
	if (rc < 0) {
		dev_err(&pdev->dev, "unable to initialize keypad controller\n");
		goto err_kpd_init;
	}

	rc = pm8058_gpio_config_kypd_sns(pdata->cols_gpio_start,
						 pdata->num_cols);
	if (rc < 0) {
		dev_err(&pdev->dev, "unable to configure keypad sense lines\n");
		goto err_gpio_config;
	}

	rc = pm8058_gpio_config_kypd_drv(pdata->rows_gpio_start,
						 pdata->num_rows);
	if (rc < 0) {
		dev_err(&pdev->dev, "unable to configure keypad drive lines\n");
		goto err_gpio_config;
	}

	rc = request_irq(kp->key_sense_irq, pmic8058_kp_irq,
				 IRQF_TRIGGER_RISING, "pmic-keypad", kp);
	if (rc < 0) {
		dev_err(&pdev->dev, "failed to request keypad sense irq\n");
		goto err_req_sense_irq;
	}

	rc = request_irq(kp->key_stuck_irq, pmic8058_kp_stuck_irq,
				 IRQF_TRIGGER_RISING, "pmic-keypad-stuck", kp);
	if (rc < 0) {
		dev_err(&pdev->dev, "failed to request keypad stuck irq\n");
		goto err_req_stuck_irq;
	}

	rc = pmic8058_kp_read(kp, &ctrl_val, KEYP_CTRL, 1);
	ctrl_val |= KEYP_CTRL_KEYP_EN;
	rc = pmic8058_kp_write_u8(kp, ctrl_val, KEYP_CTRL);

	__dump_kp_regs(kp, "probe");

	device_init_wakeup(&pdev->dev, pdata->wakeup);

	return 0;

err_req_stuck_irq:
	free_irq(kp->key_sense_irq, NULL);
err_req_sense_irq:
err_gpio_config:
err_kpd_init:
	input_unregister_device(kp->input);
	kp->input = NULL;
err_get_irq:
	input_free_device(kp->input);
err_alloc_device:
	kfree(keycodes);
err_alloc_mem:
	kfree(kp);
	return rc;
}
Example #23
0
/*
 * keypad controller should be initialized in the following sequence
 * only, otherwise it might get into FSM stuck state.
 *
 * - Initialize keypad control parameters, like no. of rows, columns,
 *   timing values etc.,
 * - configure rows and column gpios pull up/down.
 * - set irq edge type.
 * - enable the keypad controller.
 */
static int __devinit pmic8xxx_kp_probe(struct platform_device *pdev)
{
	const struct pm8xxx_keypad_platform_data *pdata =
					dev_get_platdata(&pdev->dev);
	const struct matrix_keymap_data *keymap_data;
	struct pmic8xxx_kp *kp;
	int rc;
	u8 ctrl_val;

	struct pm_gpio kypd_drv = {
		.direction	= PM_GPIO_DIR_OUT,
		.output_buffer	= PM_GPIO_OUT_BUF_OPEN_DRAIN,
		.output_value	= 0,
		.pull		= PM_GPIO_PULL_NO,
		.vin_sel	= PM_GPIO_VIN_S4,
		.out_strength	= PM_GPIO_STRENGTH_LOW,
		.function	= PM_GPIO_FUNC_1,
		.inv_int_pol	= 1,
	};

	struct pm_gpio kypd_sns = {
		.direction	= PM_GPIO_DIR_IN,
		.pull		= PM_GPIO_PULL_UP_31P5,
		.vin_sel	= PM_GPIO_VIN_S4,
		.out_strength	= PM_GPIO_STRENGTH_NO,
		.function	= PM_GPIO_FUNC_NORMAL,
		.inv_int_pol	= 1,
	};

/* IDPower GPIO ISV add */
        struct pm_gpio kypd_sns_dis_pin = {
                .direction      = PM_GPIO_DIR_IN,
                .pull           = PM_GPIO_PULL_UP_31P5,
                .vin_sel        = PM_GPIO_VIN_S4,
                .out_strength   = PM_GPIO_STRENGTH_NO,
                .function       = PM_GPIO_FUNC_NORMAL,
                .inv_int_pol    = 1,
                .disable_pin     = 1,
        };
/* IDPower GPIO ISV add */

	if (!pdata || !pdata->num_cols || !pdata->num_rows ||
		pdata->num_cols > PM8XXX_MAX_COLS ||
		pdata->num_rows > PM8XXX_MAX_ROWS ||
		pdata->num_cols < PM8XXX_MIN_COLS) {
		dev_err(&pdev->dev, "invalid platform data\n");
		return -EINVAL;
	}

	if (!pdata->scan_delay_ms ||
		pdata->scan_delay_ms > MAX_SCAN_DELAY ||
		pdata->scan_delay_ms < MIN_SCAN_DELAY ||
		!is_power_of_2(pdata->scan_delay_ms)) {
		dev_err(&pdev->dev, "invalid keypad scan time supplied\n");
		return -EINVAL;
	}

	if (!pdata->row_hold_ns ||
		pdata->row_hold_ns > MAX_ROW_HOLD_DELAY ||
		pdata->row_hold_ns < MIN_ROW_HOLD_DELAY ||
		((pdata->row_hold_ns % MIN_ROW_HOLD_DELAY) != 0)) {
		dev_err(&pdev->dev, "invalid keypad row hold time supplied\n");
		return -EINVAL;
	}

	if (!pdata->debounce_ms ||
		((pdata->debounce_ms % 5) != 0) ||
		pdata->debounce_ms > MAX_DEBOUNCE_TIME ||
		pdata->debounce_ms < MIN_DEBOUNCE_TIME) {
		dev_err(&pdev->dev, "invalid debounce time supplied\n");
		return -EINVAL;
	}

	keymap_data = pdata->keymap_data;
	if (!keymap_data) {
		dev_err(&pdev->dev, "no keymap data supplied\n");
		return -EINVAL;
	}

	kp = kzalloc(sizeof(*kp), GFP_KERNEL);
	if (!kp)
		return -ENOMEM;

	platform_set_drvdata(pdev, kp);

	kp->pdata	= pdata;
	kp->dev		= &pdev->dev;

	kp->input = input_allocate_device();
	if (!kp->input) {
		dev_err(&pdev->dev, "unable to allocate input device\n");
		rc = -ENOMEM;
		goto err_alloc_device;
	}

	kp->key_sense_irq = platform_get_irq(pdev, 0);
	if (kp->key_sense_irq < 0) {
		dev_err(&pdev->dev, "unable to get keypad sense irq\n");
		rc = -ENXIO;
		goto err_get_irq;
	}

	kp->key_stuck_irq = platform_get_irq(pdev, 1);
	if (kp->key_stuck_irq < 0) {
		dev_err(&pdev->dev, "unable to get keypad stuck irq\n");
		rc = -ENXIO;
		goto err_get_irq;
	}

	kp->input->name = pdata->input_name ? : "PMIC8XXX keypad";
	kp->input->phys = pdata->input_phys_device ? : "pmic8xxx_keypad/input0";

	kp->input->dev.parent	= &pdev->dev;

	kp->input->id.bustype	= BUS_I2C;
	kp->input->id.version	= 0x0001;
	kp->input->id.product	= 0x0001;
	kp->input->id.vendor	= 0x0001;

	kp->input->evbit[0]	= BIT_MASK(EV_KEY);

	if (pdata->rep)
		__set_bit(EV_REP, kp->input->evbit);

	kp->input->keycode	= kp->keycodes;
	kp->input->keycodemax	= PM8XXX_MATRIX_MAX_SIZE;
	kp->input->keycodesize	= sizeof(kp->keycodes);
	kp->input->open		= pmic8xxx_kp_open;
	kp->input->close	= pmic8xxx_kp_close;

	matrix_keypad_build_keymap(keymap_data, PM8XXX_ROW_SHIFT,
					kp->input->keycode, kp->input->keybit);

	input_set_capability(kp->input, EV_MSC, MSC_SCAN);
	input_set_drvdata(kp->input, kp);

	/* initialize keypad state */
	memset(kp->keystate, 0xff, sizeof(kp->keystate));
	memset(kp->stuckstate, 0xff, sizeof(kp->stuckstate));

	rc = pmic8xxx_kpd_init(kp);
	if (rc < 0) {
		dev_err(&pdev->dev, "unable to initialize keypad controller\n");
		goto err_get_irq;
	}

	rc = pmic8xxx_kp_config_gpio(pdata->cols_gpio_start,
					pdata->num_cols, kp, &kypd_sns);
	if (rc < 0) {
		dev_err(&pdev->dev, "unable to configure keypad sense lines\n");
		goto err_gpio_config;
	}

/* IDPower GPIO ISV add */
        /* gpio 154,155 (Hi-Z) */
        rc = pmic8xxx_kp_config_gpio( 154,  2, kp, &kypd_sns_dis_pin);
        if (rc < 0) {
                dev_err(&pdev->dev, "unable to configure keypad sense lines\n");
                goto err_gpio_config;
        }
/* IDPower GPIO ISV add */

	rc = pmic8xxx_kp_config_gpio(pdata->rows_gpio_start,
					pdata->num_rows, kp, &kypd_drv);
	if (rc < 0) {
		dev_err(&pdev->dev, "unable to configure keypad drive lines\n");
		goto err_gpio_config;
	}

	rc = request_any_context_irq(kp->key_sense_irq, pmic8xxx_kp_irq,
				 IRQF_TRIGGER_RISING, "pmic-keypad", kp);
	if (rc < 0) {
		dev_err(&pdev->dev, "failed to request keypad sense irq\n");
		goto err_get_irq;
	}

	rc = request_any_context_irq(kp->key_stuck_irq, pmic8xxx_kp_stuck_irq,
				 IRQF_TRIGGER_RISING, "pmic-keypad-stuck", kp);
	if (rc < 0) {
		dev_err(&pdev->dev, "failed to request keypad stuck irq\n");
		goto err_req_stuck_irq;
	}

	rc = pmic8xxx_kp_read_u8(kp, &ctrl_val, KEYP_CTRL);
	if (rc < 0) {
		dev_err(&pdev->dev, "failed to read KEYP_CTRL register\n");
		goto err_pmic_reg_read;
	}

	kp->ctrl_reg = ctrl_val;

	rc = input_register_device(kp->input);
	if (rc < 0) {
		dev_err(&pdev->dev, "unable to register keypad input device\n");
		goto err_pmic_reg_read;
	}

	device_init_wakeup(&pdev->dev, pdata->wakeup);

	return 0;

err_pmic_reg_read:
	free_irq(kp->key_stuck_irq, kp);
err_req_stuck_irq:
	free_irq(kp->key_sense_irq, kp);
err_gpio_config:
err_get_irq:
	input_free_device(kp->input);
err_alloc_device:
	platform_set_drvdata(pdev, NULL);
	kfree(kp);
	return rc;
}

static int __devexit pmic8xxx_kp_remove(struct platform_device *pdev)
{
	struct pmic8xxx_kp *kp = platform_get_drvdata(pdev);

	device_init_wakeup(&pdev->dev, 0);
	free_irq(kp->key_stuck_irq, kp);
	free_irq(kp->key_sense_irq, kp);
	input_unregister_device(kp->input);
	kfree(kp);

	platform_set_drvdata(pdev, NULL);
	return 0;
}

#ifdef CONFIG_PM_SLEEP
static int pmic8xxx_kp_suspend(struct device *dev)
{
	struct platform_device *pdev = to_platform_device(dev);
	struct pmic8xxx_kp *kp = platform_get_drvdata(pdev);
	struct input_dev *input_dev = kp->input;

	if (device_may_wakeup(dev)) {
		enable_irq_wake(kp->key_sense_irq);
	} else {
		mutex_lock(&input_dev->mutex);

		if (input_dev->users)
			pmic8xxx_kp_disable(kp);

		mutex_unlock(&input_dev->mutex);
	}

	return 0;
}

static int pmic8xxx_kp_resume(struct device *dev)
{
	struct platform_device *pdev = to_platform_device(dev);
	struct pmic8xxx_kp *kp = platform_get_drvdata(pdev);
	struct input_dev *input_dev = kp->input;

	if (device_may_wakeup(dev)) {
		disable_irq_wake(kp->key_sense_irq);
	} else {
		mutex_lock(&input_dev->mutex);

		if (input_dev->users)
			pmic8xxx_kp_enable(kp);

		mutex_unlock(&input_dev->mutex);
	}

	return 0;
}
#endif

static SIMPLE_DEV_PM_OPS(pm8xxx_kp_pm_ops,
			 pmic8xxx_kp_suspend, pmic8xxx_kp_resume);

static struct platform_driver pmic8xxx_kp_driver = {
	.probe		= pmic8xxx_kp_probe,
	.remove		= __devexit_p(pmic8xxx_kp_remove),
	.driver		= {
		.name = PM8XXX_KEYPAD_DEV_NAME,
		.owner = THIS_MODULE,
		.pm = &pm8xxx_kp_pm_ops,
	},
};
module_platform_driver(pmic8xxx_kp_driver);

MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("PMIC8XXX keypad driver");
MODULE_VERSION("1.0");
MODULE_ALIAS("platform:pmic8xxx_keypad");
MODULE_AUTHOR("Trilok Soni <[email protected]>");
Example #24
0
int cma3000_init(struct cma3000_accl_data *data)
{
	int ret = 0, fuzz_x, fuzz_y, fuzz_z, g_range;
	uint32_t irqflags;
	uint8_t ctrl;

	INIT_DELAYED_WORK(&data->input_work, cma3000_input_work_func);

	if (data->client->dev.platform_data == NULL) {
		dev_err(&data->client->dev, "platform data not found\n");
		goto err_op2_failed;
	}

	memcpy(&(data->pdata), data->client->dev.platform_data,
		sizeof(struct cma3000_platform_data));

	ret = cma3000_reset(data);
	if (ret)
		goto err_op2_failed;

	ret = cma3000_read(data, CMA3000_REVID, "Revid");
	if (ret < 0)
		goto err_op2_failed;

	pr_info("CMA3000 Acclerometer : Revision %x\n", ret);

	/* Bring it out of default power down state */
	ret = cma3000_poweron(data);
	if (ret < 0)
		goto err_op2_failed;

	data->req_poll_rate = data->pdata.def_poll_rate;
	fuzz_x = data->pdata.fuzz_x;
	fuzz_y = data->pdata.fuzz_y;
	fuzz_z = data->pdata.fuzz_z;
	g_range = data->pdata.g_range;
	irqflags = data->pdata.irqflags;

	data->input_dev = input_allocate_device();
	if (data->input_dev == NULL) {
		ret = -ENOMEM;
		dev_err(&data->client->dev,
			"Failed to allocate input device\n");
		goto err_op2_failed;
	}

	data->input_dev->name = "cma3000-acclerometer";

#ifdef CONFIG_INPUT_CMA3000_I2C
	data->input_dev->id.bustype = BUS_I2C;
#endif

	 __set_bit(EV_ABS, data->input_dev->evbit);
	 __set_bit(EV_MSC, data->input_dev->evbit);

	input_set_abs_params(data->input_dev, ABS_X, -g_range,
				g_range, fuzz_x, 0);
	input_set_abs_params(data->input_dev, ABS_Y, -g_range,
				g_range, fuzz_y, 0);
	input_set_abs_params(data->input_dev, ABS_Z, -g_range,
				g_range, fuzz_z, 0);
	input_set_abs_params(data->input_dev, ABS_MISC, 0,
				1, 0, 0);

	ret = input_register_device(data->input_dev);
	if (ret) {
		dev_err(&data->client->dev,
			"Unable to register input device\n");
		goto err_op2_failed;
	}

	mutex_init(&data->mutex);

	if (data->client->irq) {
		ret = request_irq(data->client->irq, cma3000_isr,
					irqflags | IRQF_ONESHOT,
					data->client->name, data);

		if (ret < 0) {
			dev_err(&data->client->dev,
				"request_threaded_irq failed\n");
			goto err_op1_failed;
		}
	} else {
		/*There is no IRQ set, disable IRQ on CMA*/
		ctrl = cma3000_read(data, CMA3000_CTRL, "Status");
		ctrl |= 0x1;
		cma3000_set(data, CMA3000_CTRL, ctrl, "Disable IRQ");
	}

	ret = sysfs_create_group(&data->client->dev.kobj, &cma3000_attr_group);
	if (ret) {
		dev_err(&data->client->dev,
			"failed to create sysfs entries\n");
		goto err_op1_failed;
	}

	cma3000_set_mode(data, CMAMODE_POFF);

	return 0;

err_op1_failed:
	mutex_destroy(&data->mutex);
	input_unregister_device(data->input_dev);
err_op2_failed:
	if (data != NULL) {
		if (data->input_dev != NULL)
			input_free_device(data->input_dev);
	}

	return ret;
}
Example #25
0
static long hid_kbd_dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
	void __user *uarg = (void __user *)arg;
	short value;
	unsigned char keycode;
	int err,i;
	xlog_printk(ANDROID_LOG_INFO,HID_SAY,"hid_kbd_dev_ioctl,cmd=%d\n",cmd);			
	switch(cmd)
	{
		case HID_KEYBOARD:
		{		
			hid_input_dev->keycodemax = ARRAY_SIZE(hid_keycode);
			for (i = 0; i < ARRAY_SIZE(hidkbd->keymap); i++)
				__set_bit(hidkbd->keymap[i], hid_input_dev->keybit);
			err = input_register_device(hid_input_dev);
			if (err) 
			{
				xlog_printk(ANDROID_LOG_ERROR,HID_SAY,"register input device failed (%d)\n", err);
				input_free_device(hid_input_dev);
				return err;
			}
			registered = 1;
			break;
		}
		case HID_MOUSE:
		{		
			hid_input_dev->keycodemax = 4;
			for (i = 0; i < hid_input_dev->keycodemax; i++)
				__set_bit(hidkbd->keymap[i], hid_input_dev->keybit);
			err = input_register_device(hid_input_dev);
			if (err) 
			{
				xlog_printk(ANDROID_LOG_ERROR,HID_SAY,"register input device failed (%d)\n", err);
				input_free_device(hid_input_dev);
				return err;
			}
			registered = 1;
			break;
		}
		case HID_KEY_PRESS:
		{
			if (copy_from_user(&keycode, uarg, sizeof(keycode)))
				return -EFAULT;
			xlog_printk(ANDROID_LOG_DEBUG,HID_SAY,"hid keycode  %d press\n",keycode);
			input_report_key(hid_input_dev,hid_keycode[keycode], 1);
			input_sync(hid_input_dev);
			break;
		}
		case HID_KEY_RELEASE:
		{
			if (copy_from_user(&keycode, uarg, sizeof(keycode)))
				return -EFAULT;
			xlog_printk(ANDROID_LOG_DEBUG,HID_SAY,"hid keycode %d release\n",keycode);
			input_report_key(hid_input_dev,hid_keycode[keycode], 0);
			input_sync(hid_input_dev);
			break;
		}
		case HID_POINTER_X:
		{
			if (copy_from_user(&value, uarg, sizeof(value)))
				return -EFAULT;
			xlog_printk(ANDROID_LOG_DEBUG,HID_SAY,"hid pointer X %d \n",value);
			input_report_rel(hid_input_dev, REL_X, value);
			input_sync(hid_input_dev);
			break;
		}
		case HID_POINTER_Y:
		{
			if (copy_from_user(&value, uarg, sizeof(value)))
				return -EFAULT;
			xlog_printk(ANDROID_LOG_DEBUG,HID_SAY,"hid pointer Y %d \n",value);
			input_report_rel(hid_input_dev, REL_Y, value);
			input_sync(hid_input_dev);
			break;
		}
		case HID_WHEEL:
		{
			if (copy_from_user(&value, uarg, sizeof(value)))
				return -EFAULT;
			xlog_printk(ANDROID_LOG_DEBUG,HID_SAY,"hid wheel %d \n",value);
			input_report_rel(hid_input_dev, REL_WHEEL, value);
			input_sync(hid_input_dev);
			break;
		}
		default:
			return -EINVAL;
	}
	return 0;
}
Example #26
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
#ifdef CONFIG_SENSORS_HALL
	ddata->gpio_flip_cover = pdata->gpio_flip_cover;
	ddata->irq_flip_cover = gpio_to_irq(ddata->gpio_flip_cover);;

	wake_lock_init(&ddata->flip_wake_lock, WAKE_LOCK_SUSPEND,
		"flip wake lock");
#endif
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
#ifdef CONFIG_SENSORS_HALL
	input->evbit[0] |= BIT_MASK(EV_SW);
	input_set_capability(input, EV_SW, SW_FLIP);
#endif
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;

#ifdef KEY_BOOSTER
		if (button->code == KEY_HOMEPAGE) {
			error = gpio_key_init_dvfs(bdata);
			if (error < 0) {
				dev_err(dev, "Fail get dvfs level for touch booster\n");
				goto fail2;
			}
		}
#endif
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	ddata->sec_key =
	    device_create(sec_class, NULL, 0, ddata, "sec_key");
	if (IS_ERR(ddata->sec_key))
		dev_err(dev, "Failed to create sec_key device\n");

	error = sysfs_create_group(&ddata->sec_key->kobj, &sec_key_attr_group);
	if (error) {
		dev_err(dev, "Failed to create the test sysfs: %d\n",
			error);
		goto fail2;
	}

#ifdef CONFIG_SENSORS_HALL
	init_hall_ic_irq(input);
#endif

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons */
	for (i = 0; i < pdata->nbuttons; i++)
		gpio_keys_report_event(&ddata->data[i]);
	input_sync(input);

#ifdef CONFIG_FAST_BOOT
	/*Fake power off*/
	input_set_capability(input, EV_KEY, KEY_FAKE_PWR);
	setup_timer(&fake_timer, gpio_keys_fake_off_check,
			(unsigned long)input);
	wake_lock_init(&fake_lock, WAKE_LOCK_SUSPEND, "fake_lock");
#endif

	device_init_wakeup(&pdev->dev, wakeup);

#if !defined(CONFIG_SAMSUNG_PRODUCT_SHIP)
#if defined(CONFIG_N1A) || defined(CONFIG_N2A)
	if(set_auto_power_on_off_powerkey_val) {
		init_timer(&poweroff_keypad_timer);
		poweroff_keypad_timer.function = poweroff_keypad_timer_handler;
		poweroff_keypad_timer.data = (unsigned long)&ddata->data[0];
		if(lpcharge)
			poweroff_keypad_timer.expires = jiffies + 20*HZ;
		else
			poweroff_keypad_timer.expires = jiffies + 40*HZ;
		add_timer(&poweroff_keypad_timer);
		printk("AUTO_POWER_ON_OFF_FLAG Test Start !!!\n");
	}
#endif
#endif
	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	sysfs_remove_group(&ddata->sec_key->kobj, &sec_key_attr_group);
 fail2:
	while (--i >= 0)
		gpio_remove_key(&ddata->data[i]);

	platform_set_drvdata(pdev, NULL);
#ifdef CONFIG_SENSORS_HALL
	wake_lock_destroy(&ddata->flip_wake_lock);
#endif
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Example #27
0
/* Interrupt handler */
static irqreturn_t omap4_keypad_interrupt(int irq, void *dev_id)
{
	struct omap4_keypad *keypad_data = dev_id;
	struct input_dev *input_dev = keypad_data->input;
	unsigned char key_state[ARRAY_SIZE(keypad_data->key_state)];
	unsigned int col, row, code, changed;
	u32 *new_state = (u32 *) key_state;

	/*                                                               
                                                      
  */
	wake_lock_timeout(&keypad_data->wlock, 1 * HZ);

	*new_state = __raw_readl(keypad_data->base + OMAP4_KBD_FULLCODE31_0);
	*(new_state + 1) = __raw_readl(keypad_data->base
						+ OMAP4_KBD_FULLCODE63_32);

	//                                                                         
	if(debug_mask) {
		printk("========================================================\n");
		printk("%s: [%#x][%#x]\n", __func__, *new_state, *(new_state+1));
		printk("========================================================\n");
	}
	//                                               

	for (col = 0; col < keypad_data->cols; col++) {
		changed = key_state[col] ^ keypad_data->key_state[col];

		if (!changed)
			continue;
		for (row = 0; row < keypad_data->rows; row++) {
			if (changed & (1 << row)) {
				code = MATRIX_SCAN_CODE(row, col,
						keypad_data->row_shift);

				//                                                                         
				if(debug_mask) {
					printk("%s: [changed][col][row][code] = [%#x][%d][%d][%d]\n", __func__, changed, col, row, code);
					printk("========================================================\n");
				}
				//                                               

                                //                                                  
#ifdef CONFIG_MACH_LGE_COSMO
				if( keypad_data->keymap[code] && !atcmd_keylock) {
#else
				if( keypad_data->keymap[code] ) {
#endif
                                //                               
				    input_event(input_dev, EV_MSC, MSC_SCAN, code);
				    input_report_key(input_dev,
                            keypad_data->keymap[code],
                            (bool)(key_state[col] & (1 << row)));

#ifdef CONFIG_MACH_LGE_U2	/*                                                            */
                    printk("[omap4-keypad] %s KEY %s\n",
                                                (keypad_data->keymap[code] == KEY_VOLUMEUP) ? "Vol_UP" : ((keypad_data->keymap[code] == KEY_VOLUMEDOWN) ? "Vol_DOWN" : "HOME"),
                                                (key_state[col] & (1 << row)) ? "PRESS" : "RELEASE" );
#else
                    printk("[omap4-keypad] %s KEY %s\n",
						(keypad_data->keymap[code] == KEY_VOLUMEUP) ? "Vol_UP" : ((keypad_data->keymap[code] == KEY_VOLUMEDOWN) ? "Vol_DOWN" : "CAPTURE"),
						(key_state[col] & (1 << row)) ? "PRESS" : "RELEASE" );
#endif

#ifdef CONFIG_INPUT_LGE_GKPD
                    gkpd_report_key(keypad_data->keymap[code], (bool)(key_state[col] & (1 << row)));
#endif

                    break;
				}

				/*                                        
                           
                                      
                                        
     */
#ifdef CONFIG_KEYBOARD_OMAP4_SAFEMODE
				if (keypad_data->keymap[code] == KEY_VOLUMEUP) {
					safemode_key = !!(key_state[col] & (1 << row));
				}
#endif
			}
		}
	}

	input_sync(input_dev);

	memcpy(keypad_data->key_state, key_state,
		sizeof(keypad_data->key_state));

	/* clear pending interrupts */
	__raw_writel(__raw_readl(keypad_data->base + OMAP4_KBD_IRQSTATUS),
			keypad_data->base + OMAP4_KBD_IRQSTATUS);


	printk("#################################### %s is finished!!!!!\n", __func__);
	return IRQ_HANDLED;
}

static int omap4_keypad_open(struct input_dev *input)
{
	struct omap4_keypad *keypad_data = input_get_drvdata(input);

#ifdef KBD_DEBUG
	printk("omap4-keypad: omap4_keypad_open \n");
#endif

	pm_runtime_get_sync(input->dev.parent);

	disable_irq(keypad_data->irq);

	__raw_writel(OMAP4_DEF_CTRL_NOSOFTMODE |
			(OMAP4_VAL_PVT << OMAP4_DEF_CTRL_PTV),
			keypad_data->base + OMAP4_KBD_CTRL);

	__raw_writel(OMAP4_VAL_DEBOUNCINGTIME,
			keypad_data->base + OMAP4_KBD_DEBOUNCINGTIME);

	/* Enable event IRQ*/
	__raw_writel(OMAP4_DEF_IRQENABLE_EVENTEN,
			keypad_data->base + OMAP4_KBD_IRQENABLE);

	/* Enable event wkup*/
	__raw_writel(OMAP4_DEF_WUP_EVENT_ENA,
			keypad_data->base + OMAP4_KBD_WAKEUPENABLE);

	/* clear pending interrupts */
	__raw_writel(__raw_readl(keypad_data->base + OMAP4_KBD_IRQSTATUS),
			keypad_data->base + OMAP4_KBD_IRQSTATUS);
	enable_irq(keypad_data->irq);

	return 0;
}

static void omap4_keypad_close(struct input_dev *input)
{
	struct omap4_keypad *keypad_data = input_get_drvdata(input);

	disable_irq(keypad_data->irq);

	/* Disable interrupts */
	__raw_writel(OMAP4_VAL_IRQDISABLE,
		     keypad_data->base + OMAP4_KBD_IRQENABLE);

	/* clear pending interrupts */
	__raw_writel(__raw_readl(keypad_data->base + OMAP4_KBD_IRQSTATUS),
			keypad_data->base + OMAP4_KBD_IRQSTATUS);

	enable_irq(keypad_data->irq);

#ifdef KBD_DEBUG
	printk("omap4-keypad: omap4_keypad_close \n");
#endif

	pm_runtime_put_sync(input->dev.parent);
}

static int __devinit omap4_keypad_probe(struct platform_device *pdev)
{
	const struct omap4_keypad_platform_data *pdata;
	struct omap4_keypad *keypad_data;
	struct input_dev *input_dev;
	struct resource *res;
	resource_size_t size;
	unsigned int row_shift, max_keys;
	int irq;
	int error;

	/* platform data */
	pdata = pdev->dev.platform_data;
	if (!pdata) {
		dev_err(&pdev->dev, "no platform data defined\n");
		return -EINVAL;
	}

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(&pdev->dev, "no base address specified\n");
		return -EINVAL;
	}

	irq = platform_get_irq(pdev, 0);
	if (!irq) {
		dev_err(&pdev->dev, "no keyboard irq assigned\n");
		return -EINVAL;
	}

	if (!pdata->keymap_data) {
		dev_err(&pdev->dev, "no keymap data defined\n");
		return -EINVAL;
	}

	row_shift = get_count_order(pdata->cols);
	max_keys = pdata->rows << row_shift;

	keypad_data = kzalloc(sizeof(struct omap4_keypad) +
				max_keys * sizeof(keypad_data->keymap[0]),
			      GFP_KERNEL);
	if (!keypad_data) {
		dev_err(&pdev->dev, "keypad_data memory allocation failed\n");
		return -ENOMEM;
	}

	size = resource_size(res);

	res = request_mem_region(res->start, size, pdev->name);
	if (!res) {
		dev_err(&pdev->dev, "can't request mem region\n");
		error = -EBUSY;
		goto err_free_keypad;
	}

	keypad_data->base = ioremap(res->start, resource_size(res));
	if (!keypad_data->base) {
		dev_err(&pdev->dev, "can't ioremap mem resource\n");
		error = -ENOMEM;
		goto err_release_mem;
	}

	keypad_data->irq = irq;
	keypad_data->row_shift = row_shift;
	keypad_data->rows = pdata->rows;
	keypad_data->cols = pdata->cols;
	keypad_data->keypad_pad_wkup = pdata->keypad_pad_wkup;

	/* input device allocation */
	keypad_data->input = input_dev = input_allocate_device();
	if (!input_dev) {
		error = -ENOMEM;
		goto err_unmap;
	}

	input_dev->name = pdev->name;
	input_dev->dev.parent = &pdev->dev;
	input_dev->id.bustype = BUS_HOST;
	input_dev->id.vendor = 0x0001;
	input_dev->id.product = 0x0001;
	input_dev->id.version = 0x0001;

	input_dev->open = omap4_keypad_open;
	input_dev->close = omap4_keypad_close;

	input_dev->keycode	= keypad_data->keymap;
	input_dev->keycodesize	= sizeof(keypad_data->keymap[0]);
	input_dev->keycodemax	= max_keys;

	__set_bit(EV_KEY, input_dev->evbit);
	__set_bit(EV_REP, input_dev->evbit);

	input_set_capability(input_dev, EV_MSC, MSC_SCAN);

	input_set_drvdata(input_dev, keypad_data);

	matrix_keypad_build_keymap(pdata->keymap_data, row_shift,
			input_dev->keycode, input_dev->keybit);

	/*                                                    
                                                              
                                       
  */
#if defined(CONFIG_MHL_INPUT_RCP)
	hdmi_common_register_keys(input_dev);
#endif
	/*                                                      */
#if defined(CONFIG_SND_OMAP_SOC_LGE_JACK)
	__set_bit(KEY_HOOK, input_dev->keybit);
#endif
	/*                                                       */
	wake_lock_init(&keypad_data->wlock, WAKE_LOCK_SUSPEND, "omap4-keypad");

	/*
	 * Set irq level detection for mpu. Edge event are missed
	 * in gic if the mpu is in low power and keypad event
	 * is a wakeup.
	 */
	error = request_irq(keypad_data->irq, omap4_keypad_interrupt,
			     IRQF_TRIGGER_HIGH,
			     "omap4-keypad", keypad_data);
	if (error) {
		dev_err(&pdev->dev, "failed to register interrupt\n");
		goto err_free_input;
	}
	enable_irq_wake(OMAP44XX_IRQ_KBD_CTL);

	pm_runtime_enable(&pdev->dev);

	error = input_register_device(keypad_data->input);
	if (error < 0) {
		dev_err(&pdev->dev, "failed to register input device\n");
		goto err_pm_disable;
	}

	platform_set_drvdata(pdev, keypad_data);

	/*                                                             
                                                                     
  */
#ifdef CONFIG_KEYBOARD_OMAP4_SAFEMODE
	error = device_create_file(&pdev->dev, &dev_attr_key_saving);
	if (error < 0) {
		dev_warn(&pdev->dev, "failed to create sysfs for key_saving\n");
	}
#endif

//                                                                                                               
	error = device_create_file(&pdev->dev, &dev_attr_keypad_debug);
	if (error < 0) {
		dev_warn(&pdev->dev, "failed to create sysfs for keypad_debug\n");
	}
//                                               

//                                                  
#ifdef CONFIG_MACH_LGE_COSMO
	error = device_create_file(&pdev->dev, &dev_attr_keylock);
	if (error) {
		printk( "keypad: keylock create file: Fail\n");
		device_remove_file(&pdev->dev, &dev_attr_keylock);
	}
#endif
//                               

	/*                                                             */
#ifdef CONFIG_MACH_LGE
	lge_input_set(input_dev);
#endif

	return 0;

err_pm_disable:
	pm_runtime_disable(&pdev->dev);
	free_irq(keypad_data->irq, keypad_data);
	/*                                                       */
	wake_lock_destroy(&keypad_data->wlock);
err_free_input:
	input_free_device(input_dev);
err_unmap:
	iounmap(keypad_data->base);
err_release_mem:
	release_mem_region(res->start, size);
err_free_keypad:
	kfree(keypad_data);
	return error;
}

static int __devexit omap4_keypad_remove(struct platform_device *pdev)
{
	struct omap4_keypad *keypad_data = platform_get_drvdata(pdev);
	struct resource *res;

//                                                                                                               
	device_remove_file(&pdev->dev, &dev_attr_keypad_debug);
//                                               

//                                                  
#ifdef CONFIG_MACH_LGE_COSMO
	device_remove_file(&pdev->dev, &dev_attr_keylock);
#endif
//                               

	/*                                                             
                                                                     
  */
#ifdef CONFIG_KEYBOARD_OMAP4_SAFEMODE
	device_remove_file(&pdev->dev, &dev_attr_key_saving);
#endif

	free_irq(keypad_data->irq, keypad_data);

	/*                                                       */
	wake_lock_destroy(&keypad_data->wlock);

	pm_runtime_disable(&pdev->dev);

	input_unregister_device(keypad_data->input);

	iounmap(keypad_data->base);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	release_mem_region(res->start, resource_size(res));

	kfree(keypad_data);
	platform_set_drvdata(pdev, NULL);

	return 0;
}
static int omap4_keypad_suspend(struct device *dev)
{
	struct platform_device *pdev = to_platform_device(dev);
	struct omap4_keypad *keypad_data = platform_get_drvdata(pdev);

	if (keypad_data->keypad_pad_wkup)
		keypad_data->keypad_pad_wkup(1);

	return 0;
}
static int omap4_keypad_resume(struct device *dev)
{
	struct platform_device *pdev = to_platform_device(dev);
	struct omap4_keypad *keypad_data = platform_get_drvdata(pdev);

	if (keypad_data->keypad_pad_wkup)
		keypad_data->keypad_pad_wkup(0);

	return 0;
}
static const struct dev_pm_ops omap4_keypad_pm_ops = {
	.suspend = omap4_keypad_suspend,
	.resume = omap4_keypad_resume,
};

static struct platform_driver omap4_keypad_driver = {
	.probe		= omap4_keypad_probe,
	.remove		= __devexit_p(omap4_keypad_remove),
	.driver		= {
		.name	= "omap4-keypad",
		.owner	= THIS_MODULE,
		.pm	= &omap4_keypad_pm_ops,
	},
};

static int __init omap4_keypad_init(void)
{
	return platform_driver_register(&omap4_keypad_driver);
}
module_init(omap4_keypad_init);

static void __exit omap4_keypad_exit(void)
{
	platform_driver_unregister(&omap4_keypad_driver);
}
static int cyttsp4_setup_input_device(struct cyttsp4_device *ttsp)
{
	struct device *dev = &ttsp->dev;
	struct cyttsp4_mt_data *md = dev_get_drvdata(dev);
	int signal = CY_IGNORE_VALUE;
	int max_x, max_y, max_p, min, max;
	int max_x_tmp, max_y_tmp;
	int i;
	int rc;

	dev_vdbg(dev, "%s: Initialize event signals\n", __func__);
	__set_bit(EV_ABS, md->input->evbit);
	__set_bit(EV_REL, md->input->evbit);
	__set_bit(EV_KEY, md->input->evbit);
#ifdef INPUT_PROP_DIRECT
	__set_bit(INPUT_PROP_DIRECT, md->input->propbit);
#endif

    /*** ZTEMT Added by luochangyang, 2013/09/11 ***/
    __set_bit(KEY_POWER, md->input->keybit);
    __set_bit(KEY_F10, md->input->keybit);
    /***ZTEMT END***/

	/* If virtualkeys enabled, don't use all screen */
	if (md->pdata->flags & CY_MT_FLAG_VKEYS) {
		max_x_tmp = md->pdata->vkeys_x;
		max_y_tmp = md->pdata->vkeys_y;
	} else {
		max_x_tmp = md->si->si_ofs.max_x;
		max_y_tmp = md->si->si_ofs.max_y;
	}

	/* get maximum values from the sysinfo data */
	if (md->pdata->flags & CY_MT_FLAG_FLIP) {
		max_x = max_y_tmp - 1;
		max_y = max_x_tmp - 1;
	} else {
		max_x = max_x_tmp - 1;
		max_y = max_y_tmp - 1;
	}
	max_p = md->si->si_ofs.max_p;

	/* set event signal capabilities */
	for (i = 0; i < (md->pdata->frmwrk->size / CY_NUM_ABS_SET); i++) {
		signal = md->pdata->frmwrk->abs
			[(i * CY_NUM_ABS_SET) + CY_SIGNAL_OST];
		if (signal != CY_IGNORE_VALUE) {
			__set_bit(signal, md->input->absbit);
			min = md->pdata->frmwrk->abs
				[(i * CY_NUM_ABS_SET) + CY_MIN_OST];
			max = md->pdata->frmwrk->abs
				[(i * CY_NUM_ABS_SET) + CY_MAX_OST];
			if (i == CY_ABS_ID_OST) {
				/* shift track ids down to start at 0 */
				max = max - min;
				min = min - min;
			} else if (i == CY_ABS_X_OST)
				max = max_x;
			else if (i == CY_ABS_Y_OST)
				max = max_y;
			else if (i == CY_ABS_P_OST)
				max = max_p;
			input_set_abs_params(md->input, signal, min, max,
				md->pdata->frmwrk->abs
				[(i * CY_NUM_ABS_SET) + CY_FUZZ_OST],
				md->pdata->frmwrk->abs
				[(i * CY_NUM_ABS_SET) + CY_FLAT_OST]);
			dev_dbg(dev, "%s: register signal=%02X min=%d max=%d\n",
				__func__, signal, min, max);
			if (i == CY_ABS_ID_OST && !IS_TTSP_VER_GE(md->si, 2, 3))
				break;
		}
	}

	rc = md->mt_function.input_register_device(md->input,
			md->si->si_ofs.tch_abs[CY_TCH_T].max);
	if (rc < 0)
		dev_err(dev, "%s: Error, failed register input device r=%d\n",
			__func__, rc);
	else
		md->input_device_registered = true;

	return rc;
}
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		const struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons that are connected to GPIOs */
	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_button_data *bdata = &ddata->data[i];
		if (gpio_is_valid(bdata->button->gpio))
			gpio_keys_gpio_report_event(bdata);
	}
	input_sync(input);

	device_init_wakeup(&pdev->dev, wakeup);

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0)
		gpio_remove_key(&ddata->data[i]);

	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Example #30
0
static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
{
	int retval;
	u32 reg;

	/*
	 * Allocate eeprom data.
	 */
	retval = rt2800pci_validate_eeprom(rt2x00dev);
	if (retval)
		return retval;

	retval = rt2800_init_eeprom(rt2x00dev);
	if (retval)
		return retval;

	/*
	 * Enable rfkill polling by setting GPIO direction of the
	 * rfkill switch GPIO pin correctly.
	 */
	rt2x00pci_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
	rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT2, 1);
	rt2x00pci_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);

	/*
	 * Initialize hw specifications.
	 */
	retval = rt2800_probe_hw_mode(rt2x00dev);
	if (retval)
		return retval;

	/*
	 * This device has multiple filters for control frames
	 * and has a separate filter for PS Poll frames.
	 */
	__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
	__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);

	/*
	 * This device has a pre tbtt interrupt and thus fetches
	 * a new beacon directly prior to transmission.
	 */
	__set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);

	/*
	 * This device requires firmware.
	 */
	if (!rt2x00_is_soc(rt2x00dev))
		__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
	__set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
	__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
	__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
	__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
	if (!modparam_nohwcrypt)
		__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
	__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
	__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);

	/*
	 * Set the rssi offset.
	 */
	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;

	return 0;
}