diff options
Diffstat (limited to 'target/linux/omap24xx/patches-3.3/400-bluetooth-hci_h4p.patch')
| -rw-r--r-- | target/linux/omap24xx/patches-3.3/400-bluetooth-hci_h4p.patch | 1946 |
1 files changed, 0 insertions, 1946 deletions
diff --git a/target/linux/omap24xx/patches-3.3/400-bluetooth-hci_h4p.patch b/target/linux/omap24xx/patches-3.3/400-bluetooth-hci_h4p.patch deleted file mode 100644 index 408da4a3a0..0000000000 --- a/target/linux/omap24xx/patches-3.3/400-bluetooth-hci_h4p.patch +++ /dev/null @@ -1,1946 +0,0 @@ ---- - drivers/bluetooth/Kconfig | 10 - drivers/bluetooth/Makefile | 1 - drivers/bluetooth/hci_h4p/Makefile | 7 - drivers/bluetooth/hci_h4p/core.c | 1043 ++++++++++++++++++++++++++++++++++++ - drivers/bluetooth/hci_h4p/fw-csr.c | 149 +++++ - drivers/bluetooth/hci_h4p/fw-ti.c | 90 +++ - drivers/bluetooth/hci_h4p/fw.c | 155 +++++ - drivers/bluetooth/hci_h4p/hci_h4p.h | 183 ++++++ - drivers/bluetooth/hci_h4p/sysfs.c | 84 ++ - drivers/bluetooth/hci_h4p/uart.c | 169 +++++ - 10 files changed, 1891 insertions(+) - ---- /dev/null -+++ b/drivers/bluetooth/hci_h4p/core.c -@@ -0,0 +1,1043 @@ -+/* -+ * This file is part of hci_h4p bluetooth driver -+ * -+ * Copyright (C) 2005, 2006 Nokia Corporation. -+ * -+ * Contact: Ville Tervo <ville.tervo@nokia.com> -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * version 2 as published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA -+ * 02110-1301 USA -+ * -+ */ -+ -+#include <linux/module.h> -+ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/errno.h> -+#include <linux/delay.h> -+#include <linux/spinlock.h> -+#include <linux/serial_reg.h> -+#include <linux/skbuff.h> -+#include <linux/timer.h> -+#include <linux/device.h> -+#include <linux/platform_device.h> -+#include <linux/clk.h> -+#include <linux/gpio.h> -+ -+#include <mach/hardware.h> -+#include <mach/board.h> -+#include <mach/irqs.h> -+#include <plat/serial.h> -+ -+#include <net/bluetooth/bluetooth.h> -+#include <net/bluetooth/hci_core.h> -+#include <net/bluetooth/hci.h> -+ -+#include "hci_h4p.h" -+ -+#define PM_TIMEOUT 200 -+ -+struct omap_bluetooth_config { -+ u8 chip_type; -+ u8 bt_wakeup_gpio; -+ u8 host_wakeup_gpio; -+ u8 reset_gpio; -+ u8 bt_uart; -+ u8 bd_addr[6]; -+ u8 bt_sysclk; -+}; -+ -+/* This should be used in function that cannot release clocks */ -+static void hci_h4p_set_clk(struct hci_h4p_info *info, int *clock, int enable) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&info->clocks_lock, flags); -+ if (enable && !*clock) { -+ NBT_DBG_POWER("Enabling %p\n", clock); -+ clk_enable(info->uart_fclk); -+#ifdef CONFIG_ARCH_OMAP2 -+ if (cpu_is_omap24xx()) { -+ clk_enable(info->uart_iclk); -+ //omap2_block_sleep(); -+ } -+#endif -+ } -+ if (!enable && *clock) { -+ NBT_DBG_POWER("Disabling %p\n", clock); -+ clk_disable(info->uart_fclk); -+#ifdef CONFIG_ARCH_OMAP2 -+ if (cpu_is_omap24xx()) { -+ clk_disable(info->uart_iclk); -+ //omap2_allow_sleep(); -+ } -+#endif -+ } -+ -+ *clock = enable; -+ spin_unlock_irqrestore(&info->clocks_lock, flags); -+} -+ -+/* Power management functions */ -+static void hci_h4p_disable_tx(struct hci_h4p_info *info) -+{ -+ NBT_DBG_POWER("\n"); -+ -+ if (!info->pm_enabled) -+ return; -+ -+ mod_timer(&info->tx_pm_timer, jiffies + msecs_to_jiffies(PM_TIMEOUT)); -+} -+ -+static void hci_h4p_enable_tx(struct hci_h4p_info *info) -+{ -+ NBT_DBG_POWER("\n"); -+ -+ if (!info->pm_enabled) -+ return; -+ -+ del_timer_sync(&info->tx_pm_timer); -+ if (info->tx_pm_enabled) { -+ info->tx_pm_enabled = 0; -+ hci_h4p_set_clk(info, &info->tx_clocks_en, 1); -+ gpio_set_value(info->bt_wakeup_gpio, 1); -+ } -+} -+ -+static void hci_h4p_tx_pm_timer(unsigned long data) -+{ -+ struct hci_h4p_info *info; -+ -+ NBT_DBG_POWER("\n"); -+ -+ info = (struct hci_h4p_info *)data; -+ -+ if (hci_h4p_inb(info, UART_LSR) & UART_LSR_TEMT) { -+ gpio_set_value(info->bt_wakeup_gpio, 0); -+ hci_h4p_set_clk(info, &info->tx_clocks_en, 0); -+ info->tx_pm_enabled = 1; -+ } -+ else { -+ mod_timer(&info->tx_pm_timer, jiffies + msecs_to_jiffies(PM_TIMEOUT)); -+ } -+} -+ -+static void hci_h4p_disable_rx(struct hci_h4p_info *info) -+{ -+ if (!info->pm_enabled) -+ return; -+ -+ mod_timer(&info->rx_pm_timer, jiffies + msecs_to_jiffies(PM_TIMEOUT)); -+} -+ -+static void hci_h4p_enable_rx(struct hci_h4p_info *info) -+{ -+ unsigned long flags; -+ -+ if (!info->pm_enabled) -+ return; -+ -+ del_timer_sync(&info->rx_pm_timer); -+ spin_lock_irqsave(&info->lock, flags); -+ if (info->rx_pm_enabled) { -+ hci_h4p_set_clk(info, &info->rx_clocks_en, 1); -+ hci_h4p_outb(info, UART_IER, hci_h4p_inb(info, UART_IER) | UART_IER_RDI); -+ __hci_h4p_set_auto_ctsrts(info, 1, UART_EFR_RTS); -+ info->rx_pm_enabled = 0; -+ } -+ spin_unlock_irqrestore(&info->lock, flags); -+} -+ -+static void hci_h4p_rx_pm_timer(unsigned long data) -+{ -+ unsigned long flags; -+ struct hci_h4p_info *info = (struct hci_h4p_info *)data; -+ -+ spin_lock_irqsave(&info->lock, flags); -+ if (!(hci_h4p_inb(info, UART_LSR) & UART_LSR_DR)) { -+ __hci_h4p_set_auto_ctsrts(info, 0, UART_EFR_RTS); -+ hci_h4p_set_rts(info, 0); -+ hci_h4p_outb(info, UART_IER, hci_h4p_inb(info, UART_IER) & ~UART_IER_RDI); -+ hci_h4p_set_clk(info, &info->rx_clocks_en, 0); -+ info->rx_pm_enabled = 1; -+ } -+ else { -+ mod_timer(&info->rx_pm_timer, jiffies + msecs_to_jiffies(PM_TIMEOUT)); -+ } -+ spin_unlock_irqrestore(&info->lock, flags); -+} -+ -+/* Negotiation functions */ -+int hci_h4p_send_alive_packet(struct hci_h4p_info *info) -+{ -+ NBT_DBG("Sending alive packet\n"); -+ -+ if (!info->alive_cmd_skb) -+ return -EINVAL; -+ -+ /* Keep reference to buffer so we can reuse it */ -+ info->alive_cmd_skb = skb_get(info->alive_cmd_skb); -+ -+ skb_queue_tail(&info->txq, info->alive_cmd_skb); -+ tasklet_schedule(&info->tx_task); -+ -+ NBT_DBG("Alive packet sent\n"); -+ -+ return 0; -+} -+ -+static void hci_h4p_alive_packet(struct hci_h4p_info *info, struct sk_buff *skb) -+{ -+ NBT_DBG("Received alive packet\n"); -+ if (skb->data[1] == 0xCC) { -+ complete(&info->init_completion); -+ } -+ -+ kfree_skb(skb); -+} -+ -+static int hci_h4p_send_negotiation(struct hci_h4p_info *info, struct sk_buff *skb) -+{ -+ NBT_DBG("Sending negotiation..\n"); -+ -+ hci_h4p_change_speed(info, INIT_SPEED); -+ -+ info->init_error = 0; -+ init_completion(&info->init_completion); -+ skb_queue_tail(&info->txq, skb); -+ tasklet_schedule(&info->tx_task); -+ -+ if (!wait_for_completion_interruptible_timeout(&info->init_completion, -+ msecs_to_jiffies(1000))) -+ return -ETIMEDOUT; -+ -+ NBT_DBG("Negotiation sent\n"); -+ return info->init_error; -+} -+ -+static void hci_h4p_negotiation_packet(struct hci_h4p_info *info, -+ struct sk_buff *skb) -+{ -+ int err = 0; -+ -+ if (skb->data[1] == 0x20) { -+ /* Change to operational settings */ -+ hci_h4p_set_rts(info, 0); -+ -+ err = hci_h4p_wait_for_cts(info, 0, 100); -+ if (err < 0) -+ goto neg_ret; -+ -+ hci_h4p_change_speed(info, MAX_BAUD_RATE); -+ -+ err = hci_h4p_wait_for_cts(info, 1, 100); -+ if (err < 0) -+ goto neg_ret; -+ -+ hci_h4p_set_auto_ctsrts(info, 1, UART_EFR_CTS | UART_EFR_RTS); -+ -+ err = hci_h4p_send_alive_packet(info); -+ if (err < 0) -+ goto neg_ret; -+ } else { -+ dev_err(info->dev, "Could not negotiate hci_h4p settings\n"); -+ err = -EINVAL; -+ goto neg_ret; -+ } -+ -+ kfree_skb(skb); -+ return; -+ -+neg_ret: -+ info->init_error = err; -+ complete(&info->init_completion); -+ kfree_skb(skb); -+} -+ -+/* H4 packet handling functions */ -+static int hci_h4p_get_hdr_len(struct hci_h4p_info *info, u8 pkt_type) -+{ -+ long retval; -+ -+ switch (pkt_type) { -+ case H4_EVT_PKT: -+ retval = HCI_EVENT_HDR_SIZE; -+ break; -+ case H4_ACL_PKT: -+ retval = HCI_ACL_HDR_SIZE; -+ break; -+ case H4_SCO_PKT: -+ retval = HCI_SCO_HDR_SIZE; -+ break; -+ case H4_NEG_PKT: -+ retval = 11; -+ break; -+ case H4_ALIVE_PKT: -+ retval = 3; -+ break; -+ default: -+ dev_err(info->dev, "Unknown H4 packet type 0x%.2x\n", pkt_type); -+ retval = -1; -+ break; -+ } -+ -+ return retval; -+} -+ -+static unsigned int hci_h4p_get_data_len(struct hci_h4p_info *info, -+ struct sk_buff *skb) -+{ -+ long retval = -1; -+ struct hci_event_hdr *evt_hdr; -+ struct hci_acl_hdr *acl_hdr; -+ struct hci_sco_hdr *sco_hdr; -+ -+ switch (bt_cb(skb)->pkt_type) { -+ case H4_EVT_PKT: -+ evt_hdr = (struct hci_event_hdr *)skb->data; -+ retval = evt_hdr->plen; -+ break; -+ case H4_ACL_PKT: -+ acl_hdr = (struct hci_acl_hdr *)skb->data; -+ retval = le16_to_cpu(acl_hdr->dlen); -+ break; -+ case H4_SCO_PKT: -+ sco_hdr = (struct hci_sco_hdr *)skb->data; -+ retval = sco_hdr->dlen; -+ break; -+ case H4_NEG_PKT: -+ retval = 0; -+ break; -+ case H4_ALIVE_PKT: -+ retval = 0; -+ break; -+ } -+ -+ return retval; -+} -+ -+static inline void hci_h4p_recv_frame(struct hci_h4p_info *info, -+ struct sk_buff *skb) -+{ -+ -+ if (unlikely(!test_bit(HCI_RUNNING, &info->hdev->flags))) { -+ NBT_DBG("fw_event\n"); -+ hci_h4p_parse_fw_event(info, skb); -+ } else { -+ hci_recv_frame(skb); -+ NBT_DBG("Frame sent to upper layer\n"); -+ } -+} -+ -+static void hci_h4p_rx_tasklet(unsigned long data) -+{ -+ u8 byte; -+ unsigned long flags; -+ struct hci_h4p_info *info = (struct hci_h4p_info *)data; -+ -+ NBT_DBG("tasklet woke up\n"); -+ NBT_DBG_TRANSFER("rx_tasklet woke up\ndata "); -+ -+ while (hci_h4p_inb(info, UART_LSR) & UART_LSR_DR) { -+ byte = hci_h4p_inb(info, UART_RX); -+ if (info->garbage_bytes) { -+ info->garbage_bytes--; -+ continue; -+ } -+ if (info->rx_skb == NULL) { -+ info->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC | GFP_DMA); -+ if (!info->rx_skb) { -+ dev_err(info->dev, "Can't allocate memory for new packet\n"); -+ goto finish_task; -+ } -+ info->rx_state = WAIT_FOR_PKT_TYPE; -+ info->rx_skb->dev = (void *)info->hdev; -+ } -+ info->hdev->stat.byte_rx++; -+ NBT_DBG_TRANSFER_NF("0x%.2x ", byte); -+ switch (info->rx_state) { -+ case WAIT_FOR_PKT_TYPE: -+ bt_cb(info->rx_skb)->pkt_type = byte; -+ info->rx_count = hci_h4p_get_hdr_len(info, byte); -+ if (info->rx_count < 0) { -+ info->hdev->stat.err_rx++; -+ kfree_skb(info->rx_skb); -+ info->rx_skb = NULL; -+ } else { -+ info->rx_state = WAIT_FOR_HEADER; -+ } -+ break; -+ case WAIT_FOR_HEADER: -+ info->rx_count--; -+ *skb_put(info->rx_skb, 1) = byte; -+ if (info->rx_count == 0) { -+ info->rx_count = hci_h4p_get_data_len(info, info->rx_skb); -+ if (info->rx_count > skb_tailroom(info->rx_skb)) { -+ dev_err(info->dev, "Frame is %ld bytes too long.\n", -+ info->rx_count - skb_tailroom(info->rx_skb)); -+ kfree_skb(info->rx_skb); -+ info->rx_skb = NULL; -+ info->garbage_bytes = info->rx_count - skb_tailroom(info->rx_skb); -+ break; -+ } -+ info->rx_state = WAIT_FOR_DATA; -+ -+ if (bt_cb(info->rx_skb)->pkt_type == H4_NEG_PKT) { -+ hci_h4p_negotiation_packet(info, info->rx_skb); -+ info->rx_skb = NULL; -+ info->rx_state = WAIT_FOR_PKT_TYPE; -+ goto finish_task; -+ } -+ if (bt_cb(info->rx_skb)->pkt_type == H4_ALIVE_PKT) { -+ hci_h4p_alive_packet(info, info->rx_skb); -+ info->rx_skb = NULL; -+ info->rx_state = WAIT_FOR_PKT_TYPE; -+ goto finish_task; -+ } -+ } -+ break; -+ case WAIT_FOR_DATA: -+ info->rx_count--; -+ *skb_put(info->rx_skb, 1) = byte; -+ if (info->rx_count == 0) { -+ /* H4+ devices should allways send word aligned packets */ -+ if (!(info->rx_skb->len % 2)) { -+ info->garbage_bytes++; -+ } -+ hci_h4p_recv_frame(info, info->rx_skb); -+ info->rx_skb = NULL; -+ } -+ break; -+ default: -+ WARN_ON(1); -+ break; -+ } -+ } -+ -+finish_task: -+ spin_lock_irqsave(&info->lock, flags); -+ hci_h4p_outb(info, UART_IER, hci_h4p_inb(info, UART_IER) | UART_IER_RDI); -+ spin_unlock_irqrestore(&info->lock, flags); -+ -+ NBT_DBG_TRANSFER_NF("\n"); -+ NBT_DBG("rx_ended\n"); -+} -+ -+static void hci_h4p_tx_tasklet(unsigned long data) -+{ -+ unsigned int sent = 0; -+ unsigned long flags; -+ struct sk_buff *skb; -+ struct hci_h4p_info *info = (struct hci_h4p_info *)data; -+ -+ NBT_DBG("tasklet woke up\n"); -+ NBT_DBG_TRANSFER("tx_tasklet woke up\n data "); -+ -+ skb = skb_dequeue(&info->txq); -+ if (!skb) { -+ /* No data in buffer */ -+ NBT_DBG("skb ready\n"); -+ hci_h4p_disable_tx(info); -+ return; -+ } -+ -+ /* Copy data to tx fifo */ -+ while (!(hci_h4p_inb(info, UART_OMAP_SSR) & UART_OMAP_SSR_TXFULL) && -+ (sent < skb->len)) { -+ NBT_DBG_TRANSFER_NF("0x%.2x ", skb->data[sent]); -+ hci_h4p_outb(info, UART_TX, skb->data[sent]); -+ sent++; -+ } -+ -+ info->hdev->stat.byte_tx += sent; -+ NBT_DBG_TRANSFER_NF("\n"); -+ if (skb->len == sent) { -+ kfree_skb(skb); -+ } else { -+ skb_pull(skb, sent); -+ skb_queue_head(&info->txq, skb); -+ } -+ -+ spin_lock_irqsave(&info->lock, flags); -+ hci_h4p_outb(info, UART_IER, hci_h4p_inb(info, UART_IER) | UART_IER_THRI); -+ spin_unlock_irqrestore(&info->lock, flags); -+} -+ -+static irqreturn_t hci_h4p_interrupt(int irq, void *data) -+{ -+ struct hci_h4p_info *info = (struct hci_h4p_info *)data; -+ u8 iir, msr; -+ int ret; -+ unsigned long flags; -+ -+ ret = IRQ_NONE; -+ -+ iir = hci_h4p_inb(info, UART_IIR); -+ if (iir & UART_IIR_NO_INT) { -+ dev_err(info->dev, "Interrupt but no reason irq 0x%.2x\n", iir); -+ return IRQ_HANDLED; -+ } -+ -+ NBT_DBG("In interrupt handler iir 0x%.2x\n", iir); -+ -+ iir &= UART_IIR_ID; -+ -+ if (iir == UART_IIR_MSI) { -+ msr = hci_h4p_inb(info, UART_MSR); -+ ret = IRQ_HANDLED; -+ } -+ if (iir == UART_IIR_RLSI) { -+ hci_h4p_inb(info, UART_RX); -+ hci_h4p_inb(info, UART_LSR); -+ ret = IRQ_HANDLED; -+ } -+ -+ if (iir == UART_IIR_RDI) { -+ spin_lock_irqsave(&info->lock, flags); -+ hci_h4p_outb(info, UART_IER, hci_h4p_inb(info, UART_IER) & ~UART_IER_RDI); -+ spin_unlock_irqrestore(&info->lock, flags); -+ tasklet_schedule(&info->rx_task); -+ ret = IRQ_HANDLED; -+ } -+ -+ if (iir == UART_IIR_THRI) { -+ spin_lock_irqsave(&info->lock, flags); -+ hci_h4p_outb(info, UART_IER, hci_h4p_inb(info, UART_IER) & ~UART_IER_THRI); -+ spin_unlock_irqrestore(&info->lock, flags); -+ tasklet_schedule(&info->tx_task); -+ ret = IRQ_HANDLED; -+ } -+ -+ return ret; -+} -+ -+static irqreturn_t hci_h4p_wakeup_interrupt(int irq, void *dev_inst) -+{ -+ struct hci_h4p_info *info = dev_inst; -+ int should_wakeup; -+ struct hci_dev *hdev; -+ -+ if (!info->hdev) -+ return IRQ_HANDLED; -+ -+ hdev = info->hdev; -+ -+ if (!test_bit(HCI_RUNNING, &hdev->flags)) -+ return IRQ_HANDLED; -+ -+ should_wakeup = gpio_get_value(info->host_wakeup_gpio); -+ NBT_DBG_POWER("gpio interrupt %d\n", should_wakeup); -+ if (should_wakeup) { -+ hci_h4p_enable_rx(info); -+ } else { -+ hci_h4p_disable_rx(info); -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+static int hci_h4p_reset(struct hci_h4p_info *info) -+{ -+ int err; -+ -+ hci_h4p_init_uart(info); -+ hci_h4p_set_rts(info, 0); -+ -+ gpio_set_value(info->reset_gpio, 0); -+ msleep(100); -+ gpio_set_value(info->bt_wakeup_gpio, 1); -+ gpio_set_value(info->reset_gpio, 1); -+ msleep(100); -+ -+ err = hci_h4p_wait_for_cts(info, 1, 10); -+ if (err < 0) { -+ dev_err(info->dev, "No cts from bt chip\n"); -+ return err; -+ } -+ -+ hci_h4p_set_rts(info, 1); -+ -+ return 0; -+} -+ -+/* hci callback functions */ -+static int hci_h4p_hci_flush(struct hci_dev *hdev) -+{ -+ struct hci_h4p_info *info; -+ info = hdev->driver_data; -+ -+ skb_queue_purge(&info->txq); -+ -+ return 0; -+} -+ -+static int hci_h4p_hci_open(struct hci_dev *hdev) -+{ -+ struct hci_h4p_info *info; -+ int err; -+ struct sk_buff *neg_cmd_skb; -+ struct sk_buff_head fw_queue; -+ -+ info = hdev->driver_data; -+ -+ if (test_bit(HCI_RUNNING, &hdev->flags)) -+ return 0; -+ -+ skb_queue_head_init(&fw_queue); -+ err = hci_h4p_read_fw(info, &fw_queue); -+ if (err < 0) { -+ dev_err(info->dev, "Cannot read firmware\n"); -+ return err; -+ } -+ neg_cmd_skb = skb_dequeue(&fw_queue); -+ if (!neg_cmd_skb) { -+ err = -EPROTO; -+ goto err_clean; -+ } -+ info->alive_cmd_skb = skb_dequeue(&fw_queue); -+ if (!info->alive_cmd_skb) { -+ err = -EPROTO; -+ goto err_clean; -+ } -+ -+ hci_h4p_set_clk(info, &info->tx_clocks_en, 1); -+ hci_h4p_set_clk(info, &info->rx_clocks_en, 1); -+ -+ tasklet_enable(&info->tx_task); -+ tasklet_enable(&info->rx_task); -+ info->rx_state = WAIT_FOR_PKT_TYPE; -+ info->rx_count = 0; -+ info->garbage_bytes = 0; -+ info->rx_skb = NULL; -+ info->pm_enabled = 0; -+ init_completion(&info->fw_completion); -+ -+ err = hci_h4p_reset(info); -+ if (err < 0) -+ goto err_clean; -+ -+ err = hci_h4p_send_negotiation(info, neg_cmd_skb); -+ neg_cmd_skb = NULL; -+ if (err < 0) -+ goto err_clean; -+ -+ err = hci_h4p_send_fw(info, &fw_queue); -+ if (err < 0) { -+ dev_err(info->dev, "Sending firmware failed.\n"); -+ goto err_clean; -+ } -+ -+ kfree_skb(info->alive_cmd_skb); -+ info->alive_cmd_skb = NULL; -+ info->pm_enabled = 1; -+ info->tx_pm_enabled = 1; -+ info->rx_pm_enabled = 0; -+ set_bit(HCI_RUNNING, &hdev->flags); -+ -+ NBT_DBG("hci up and running\n"); -+ return 0; -+ -+err_clean: -+ hci_h4p_hci_flush(hdev); -+ tasklet_disable(&info->tx_task); -+ tasklet_disable(&info->rx_task); -+ hci_h4p_reset_uart(info); -+ hci_h4p_set_clk(info, &info->tx_clocks_en, 0); -+ hci_h4p_set_clk(info, &info->rx_clocks_en, 0); -+ gpio_set_value(info->reset_gpio, 0); -+ gpio_set_value(info->bt_wakeup_gpio, 0); -+ skb_queue_purge(&fw_queue); -+ kfree_skb(neg_cmd_skb); -+ neg_cmd_skb = NULL; -+ kfree_skb(info->alive_cmd_skb); -+ info->alive_cmd_skb = NULL; -+ kfree_skb(info->rx_skb); -+ -+ return err; -+} -+ -+static int hci_h4p_hci_close(struct hci_dev *hdev) -+{ -+ struct hci_h4p_info *info = hdev->driver_data; -+ -+ if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) -+ return 0; -+ -+ hci_h4p_hci_flush(hdev); -+ del_timer_sync(&info->tx_pm_timer); -+ del_timer_sync(&info->rx_pm_timer); -+ tasklet_disable(&info->tx_task); -+ tasklet_disable(&info->rx_task); -+ hci_h4p_set_clk(info, &info->tx_clocks_en, 1); -+ hci_h4p_set_clk(info, &info->rx_clocks_en, 1); -+ hci_h4p_reset_uart(info); -+ hci_h4p_set_clk(info, &info->tx_clocks_en, 0); -+ hci_h4p_set_clk(info, &info->rx_clocks_en, 0); -+ gpio_set_value(info->reset_gpio, 0); -+ gpio_set_value(info->bt_wakeup_gpio, 0); -+ kfree_skb(info->rx_skb); -+ -+ return 0; -+} -+ -+static void hci_h4p_hci_destruct(struct hci_dev *hdev) -+{ -+} -+ -+static int hci_h4p_hci_send_frame(struct sk_buff *skb) -+{ -+ struct hci_h4p_info *info; -+ struct hci_dev *hdev = (struct hci_dev *)skb->dev; -+ int err = 0; -+ -+ if (!hdev) { -+ printk(KERN_WARNING "hci_h4p: Frame for unknown device\n"); -+ return -ENODEV; -+ } -+ -+ NBT_DBG("dev %p, skb %p\n", hdev, skb); -+ -+ info = hdev->driver_data; -+ -+ if (!test_bit(HCI_RUNNING, &hdev->flags)) { -+ dev_warn(info->dev, "Frame for non-running device\n"); -+ return -EIO; -+ } -+ -+ switch (bt_cb(skb)->pkt_type) { -+ case HCI_COMMAND_PKT: -+ hdev->stat.cmd_tx++; -+ break; -+ case HCI_ACLDATA_PKT: -+ hdev->stat.acl_tx++; -+ break; -+ case HCI_SCODATA_PKT: -+ hdev->stat.sco_tx++; -+ break; -+ } -+ -+ /* Push frame type to skb */ -+ *skb_push(skb, 1) = (bt_cb(skb)->pkt_type); -+ /* We should allways send word aligned data to h4+ devices */ -+ if (skb->len % 2) { -+ err = skb_pad(skb, 1); -+ } -+ if (err) -+ return err; -+ -+ hci_h4p_enable_tx(info); -+ skb_queue_tail(&info->txq, skb); -+ tasklet_schedule(&info->tx_task); -+ -+ return 0; -+} -+ -+static int hci_h4p_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg) -+{ -+ return -ENOIOCTLCMD; -+} -+ -+static int hci_h4p_register_hdev(struct hci_h4p_info *info) -+{ -+ struct hci_dev *hdev; -+ -+ /* Initialize and register HCI device */ -+ -+ hdev = hci_alloc_dev(); -+ if (!hdev) { -+ dev_err(info->dev, "Can't allocate memory for device\n"); -+ return -ENOMEM; -+ } -+ info->hdev = hdev; -+ -+ hdev->dev_type = HCI_UART; -+ hdev->driver_data = info; -+ -+ hdev->open = hci_h4p_hci_open; -+ hdev->close = hci_h4p_hci_close; -+ hdev->flush = hci_h4p_hci_flush; -+ hdev->send = hci_h4p_hci_send_frame; -+ hdev->destruct = hci_h4p_hci_destruct; -+ hdev->ioctl = hci_h4p_hci_ioctl; -+ -+ hdev->owner = THIS_MODULE; -+ -+ if (hci_register_dev(hdev) < 0) { -+ dev_err(info->dev, "hci_h4p: Can't register HCI device %s.\n", hdev->name); -+ return -ENODEV; -+ } -+ -+ return 0; -+} -+ -+static int hci_h4p_probe(struct platform_device *pdev) -+{ -+ struct omap_bluetooth_config *bt_config; -+ struct hci_h4p_info *info; -+ int irq, err; -+ -+ dev_info(&pdev->dev, "Registering HCI H4P device\n"); -+ info = kzalloc(sizeof(struct hci_h4p_info), GFP_KERNEL); -+ if (!info) -+ return -ENOMEM; -+ -+ info->dev = &pdev->dev; -+ info->pm_enabled = 0; -+ info->tx_pm_enabled = 0; -+ info->rx_pm_enabled = 0; -+ info->garbage_bytes = 0; -+ info->tx_clocks_en = 0; -+ info->rx_clocks_en = 0; -+ tasklet_init(&info->tx_task, hci_h4p_tx_tasklet, (unsigned long)info); -+ tasklet_init(&info->rx_task, hci_h4p_rx_tasklet, (unsigned long)info); -+ /* hci_h4p_hci_open assumes that tasklet is disabled in startup */ -+ tasklet_disable(&info->tx_task); -+ tasklet_disable(&info->rx_task); -+ spin_lock_init(&info->lock); -+ spin_lock_init(&info->clocks_lock); -+ skb_queue_head_init(&info->txq); -+ init_timer(&info->tx_pm_timer); -+ info->tx_pm_timer.function = hci_h4p_tx_pm_timer; -+ info->tx_pm_timer.data = (unsigned long)info; -+ init_timer(&info->rx_pm_timer); -+ info->rx_pm_timer.function = hci_h4p_rx_pm_timer; -+ info->rx_pm_timer.data = (unsigned long)info; -+ -+ if (pdev->dev.platform_data == NULL) { -+ dev_err(&pdev->dev, "Could not get Bluetooth config data\n"); -+ return -ENODATA; -+ } -+ -+ bt_config = pdev->dev.platform_data; -+ info->chip_type = bt_config->chip_type; -+ info->bt_wakeup_gpio = bt_config->bt_wakeup_gpio; -+ info->host_wakeup_gpio = bt_config->host_wakeup_gpio; -+ info->reset_gpio = bt_config->reset_gpio; -+ info->bt_sysclk = bt_config->bt_sysclk; -+ -+ NBT_DBG("RESET gpio: %d\n", info->reset_gpio); -+ NBT_DBG("BTWU gpio: %d\n", info->bt_wakeup_gpio); -+ NBT_DBG("HOSTWU gpio: %d\n", info->host_wakeup_gpio); -+ NBT_DBG("Uart: %d\n", bt_config->bt_uart); -+ NBT_DBG("sysclk: %d\n", info->bt_sysclk); -+ -+ err = gpio_request(info->reset_gpio, "BT reset"); -+ if (err < 0) { -+ dev_err(&pdev->dev, "Cannot get GPIO line %d\n", -+ info->reset_gpio); -+ kfree(info); -+ goto cleanup; -+ } -+ -+ err = gpio_request(info->bt_wakeup_gpio, "BT wakeup"); -+ if (err < 0) -+ { -+ dev_err(info->dev, "Cannot get GPIO line 0x%d", -+ info->bt_wakeup_gpio); -+ gpio_free(info->reset_gpio); -+ kfree(info); -+ goto cleanup; -+ } -+ -+ err = gpio_request(info->host_wakeup_gpio, "BT host wakeup"); -+ if (err < 0) -+ { -+ dev_err(info->dev, "Cannot get GPIO line %d", -+ info->host_wakeup_gpio); -+ gpio_free(info->reset_gpio); -+ gpio_free(info->bt_wakeup_gpio); -+ kfree(info); -+ goto cleanup; -+ } -+ -+ gpio_direction_output(info->reset_gpio, 0); -+ gpio_direction_output(info->bt_wakeup_gpio, 0); -+ gpio_direction_input(info->host_wakeup_gpio); -+ -+//FIXME -+#if defined(CONFIG_ARCH_OMAP1) -+# define OMAP_UART1_BASE OMAP1_UART1_BASE -+# define OMAP_UART2_BASE OMAP1_UART2_BASE -+# define OMAP_UART3_BASE OMAP1_UART3_BASE -+#elif defined(CONFIG_ARCH_OMAP2) -+# define OMAP_UART1_BASE OMAP2_UART1_BASE -+# define OMAP_UART2_BASE OMAP2_UART2_BASE -+# define OMAP_UART3_BASE OMAP2_UART3_BASE -+#elif defined(CONFIG_ARCH_OMAP3) -+# define OMAP_UART1_BASE OMAP3_UART1_BASE -+# define OMAP_UART2_BASE OMAP3_UART2_BASE -+# define OMAP_UART3_BASE OMAP3_UART3_BASE -+#elif defined(CONFIG_ARCH_OMAP4) -+# define OMAP_UART1_BASE OMAP4_UART1_BASE -+# define OMAP_UART2_BASE OMAP4_UART2_BASE -+# define OMAP_UART3_BASE OMAP4_UART3_BASE -+#else -+# error -+#endif -+ switch (bt_config->bt_uart) { -+ case 1: -+ if (cpu_is_omap16xx()) { -+ irq = INT_UART1; -+ info->uart_fclk = clk_get(NULL, "uart1_ck"); -+ } else if (cpu_is_omap24xx()) { -+ irq = INT_24XX_UART1_IRQ; -+ info->uart_iclk = clk_get(NULL, "uart1_ick"); -+ info->uart_fclk = clk_get(NULL, "uart1_fck"); -+ } -+ /* FIXME: Use platform_get_resource for the port */ -+ info->uart_base = ioremap(OMAP_UART1_BASE, 0x16); -+ if (!info->uart_base) -+ goto cleanup; -+ break; -+ case 2: -+ if (cpu_is_omap16xx()) { -+ irq = INT_UART2; -+ info->uart_fclk = clk_get(NULL, "uart2_ck"); -+ } else { -+ irq = INT_24XX_UART2_IRQ; -+ info->uart_iclk = clk_get(NULL, "uart2_ick"); -+ info->uart_fclk = clk_get(NULL, "uart2_fck"); -+ } -+ /* FIXME: Use platform_get_resource for the port */ -+ info->uart_base = ioremap(OMAP_UART2_BASE, 0x16); -+ if (!info->uart_base) -+ goto cleanup; -+ break; -+ case 3: -+ if (cpu_is_omap16xx()) { -+ irq = INT_UART3; -+ info->uart_fclk = clk_get(NULL, "uart3_ck"); -+ } else { -+ irq = INT_24XX_UART3_IRQ; -+ info->uart_iclk = clk_get(NULL, "uart3_ick"); -+ info->uart_fclk = clk_get(NULL, "uart3_fck"); -+ } -+ /* FIXME: Use platform_get_resource for the port */ -+ info->uart_base = ioremap(OMAP_UART3_BASE, 0x16); -+ if (!info->uart_base) -+ goto cleanup; -+ break; -+ default: -+ dev_err(info->dev, "No uart defined\n"); -+ goto cleanup; -+ } -+ -+ info->irq = irq; -+ err = request_irq(irq, hci_h4p_interrupt, 0, "hci_h4p", (void *)info); -+ if (err < 0) { -+ dev_err(info->dev, "hci_h4p: unable to get IRQ %d\n", irq); -+ goto cleanup; -+ } -+ -+ err = request_irq(gpio_to_irq(info->host_wakeup_gpio), -+ hci_h4p_wakeup_interrupt, -+ IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, -+ "hci_h4p_wkup", (void *)info); -+ if (err < 0) { -+ dev_err(info->dev, "hci_h4p: unable to get wakeup IRQ %d\n", -+ gpio_to_irq(info->host_wakeup_gpio)); -+ free_irq(irq, (void *)info); -+ goto cleanup; -+ } -+ -+ hci_h4p_set_clk(info, &info->tx_clocks_en, 1); -+ hci_h4p_set_auto_ctsrts(info, 0, UART_EFR_CTS | UART_EFR_RTS); -+ err = hci_h4p_init_uart(info); -+ if (err < 0) -+ goto cleanup_irq; -+ err = hci_h4p_reset(info); -+ if (err < 0) -+ goto cleanup_irq; -+ err = hci_h4p_wait_for_cts(info, 1, 10); -+ if (err < 0) -+ goto cleanup_irq; -+ hci_h4p_set_clk(info, &info->tx_clocks_en, 0); -+ -+ platform_set_drvdata(pdev, info); -+ err = hci_h4p_sysfs_create_files(info->dev); -+ if (err < 0) -+ goto cleanup_irq; -+ -+ if (hci_h4p_register_hdev(info) < 0) { -+ dev_err(info->dev, "failed to register hci_h4p hci device\n"); -+ goto cleanup_irq; -+ } -+ gpio_set_value(info->reset_gpio, 0); -+ -+ return 0; -+ -+cleanup_irq: -+ free_irq(irq, (void *)info); -+ free_irq(gpio_to_irq(info->host_wakeup_gpio), (void *)info); -+cleanup: -+ gpio_set_value(info->reset_gpio, 0); -+ gpio_free(info->reset_gpio); -+ gpio_free(info->bt_wakeup_gpio); -+ gpio_free(info->host_wakeup_gpio); -+ kfree(info); -+ -+ return err; -+ -+} -+ -+static int hci_h4p_remove(struct platform_device *dev) -+{ -+ struct hci_h4p_info *info; -+ -+ info = platform_get_drvdata(dev); -+ -+ hci_h4p_hci_close(info->hdev); -+ free_irq(gpio_to_irq(info->host_wakeup_gpio), (void *) info); -+ hci_free_dev(info->hdev); -+ gpio_free(info->reset_gpio); -+ gpio_free(info->bt_wakeup_gpio); -+ gpio_free(info->host_wakeup_gpio); -+ free_irq(info->irq, (void *) info); -+ kfree(info); -+ -+ return 0; -+} -+ -+static struct platform_driver hci_h4p_driver = { -+ .probe = hci_h4p_probe, -+ .remove = hci_h4p_remove, -+ .driver = { -+ .name = "hci_h4p", -+ }, -+}; -+ -+static int __init hci_h4p_init(void) -+{ -+ int err = 0; -+ -+ /* Register the driver with LDM */ -+ err = platform_driver_register(&hci_h4p_driver); -+ if (err < 0) -+ printk(KERN_WARNING "failed to register hci_h4p driver\n"); -+ -+ return err; -+} -+ -+static void __exit hci_h4p_exit(void) -+{ -+ platform_driver_unregister(&hci_h4p_driver); -+} -+ -+module_init(hci_h4p_init); -+module_exit(hci_h4p_exit); -+ -+MODULE_DESCRIPTION("h4 driver with nokia extensions"); -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Ville Tervo"); ---- /dev/null -+++ b/drivers/bluetooth/hci_h4p/fw.c -@@ -0,0 +1,155 @@ -+/* -+ * This file is part of hci_h4p bluetooth driver -+ * -+ * Copyright (C) 2005, 2006 Nokia Corporation. -+ * -+ * Contact: Ville Tervo <ville.tervo@nokia.com> -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * version 2 as published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA -+ * 02110-1301 USA -+ * -+ */ -+ -+#include <linux/skbuff.h> -+#include <linux/firmware.h> -+#include <linux/clk.h> -+ -+#include <net/bluetooth/bluetooth.h> -+ -+#include "hci_h4p.h" -+ -+#define BT_CHIP_TI 2 -+#define BT_CHIP_CSR 1 -+ -+static int fw_pos; -+ -+/* Firmware handling */ -+static int hci_h4p_open_firmware(struct hci_h4p_info *info, -+ const struct firmware **fw_entry) -+{ -+ int err; -+ -+ fw_pos = 0; -+ NBT_DBG_FW("Opening %d firmware\n", info->chip_type); -+ switch (info->chip_type) { -+ case BT_CHIP_TI: -+ err = request_firmware(fw_entry, "brf6150fw.bin", info->dev); -+ break; -+ case BT_CHIP_CSR: -+ err = request_firmware(fw_entry, "bc4fw.bin", info->dev); -+ break; -+ default: -+ dev_err(info->dev, "Invalid chip type\n"); -+ *fw_entry = NULL; -+ err = -EINVAL; -+ } -+ -+ return err; -+} -+ -+static void hci_h4p_close_firmware(const struct firmware *fw_entry) -+{ -+ release_firmware(fw_entry); -+} -+ -+/* Read fw. Return length of the command. If no more commands in -+ * fw 0 is returned. In error case return value is negative. -+ */ -+static int hci_h4p_read_fw_cmd(struct hci_h4p_info *info, struct sk_buff **skb, -+ const struct firmware *fw_entry, int how) -+{ -+ unsigned int cmd_len; -+ -+ if (fw_pos >= fw_entry->size) { -+ return 0; -+ } -+ -+ cmd_len = fw_entry->data[fw_pos++]; -+ if (!cmd_len) -+ return 0; -+ -+ if (fw_pos + cmd_len > fw_entry->size) { -+ dev_err(info->dev, "Corrupted firmware image\n"); -+ return -EMSGSIZE; -+ } -+ -+ *skb = bt_skb_alloc(cmd_len, how); -+ if (!*skb) { -+ dev_err(info->dev, "Cannot reserve memory for buffer\n"); -+ return -ENOMEM; -+ } -+ memcpy(skb_put(*skb, cmd_len), &fw_entry->data[fw_pos], cmd_len); -+ -+ fw_pos += cmd_len; -+ -+ return (*skb)->len; -+} -+ -+int hci_h4p_read_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue) -+{ -+ const struct firmware *fw_entry = NULL; -+ struct sk_buff *skb = NULL; -+ int err; -+ -+ err = hci_h4p_open_firmware(info, &fw_entry); -+ if (err < 0 || !fw_entry) -+ goto err_clean; -+ -+ while ((err = hci_h4p_read_fw_cmd(info, &skb, fw_entry, GFP_KERNEL))) { -+ if (err < 0 || !skb) -+ goto err_clean; -+ -+ skb_queue_tail(fw_queue, skb); -+ } -+ -+err_clean: -+ hci_h4p_close_firmware(fw_entry); -+ return err; -+} -+ -+int hci_h4p_send_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue) -+{ -+ int err; -+ -+ switch(info->chip_type) { -+ case BT_CHIP_CSR: -+ err = hci_h4p_bc4_send_fw(info, fw_queue); -+ break; -+ case BT_CHIP_TI: -+ err = hci_h4p_brf6150_send_fw(info, fw_queue); -+ break; -+ default: -+ dev_err(info->dev, "Don't know how to send firmware\n"); -+ err = -EINVAL; -+ } -+ -+ return err; -+} -+ -+void hci_h4p_parse_fw_event(struct hci_h4p_info *info, struct sk_buff *skb) -+{ -+ switch (info->chip_type) { -+ case BT_CHIP_CSR: -+ hci_h4p_bc4_parse_fw_event(info, skb); -+ break; -+ case BT_CHIP_TI: -+ hci_h4p_brf6150_parse_fw_event(info, skb); -+ break; -+ default: -+ dev_err(info->dev, "Don't know how to parse fw event\n"); -+ info->fw_error = -EINVAL; -+ } -+ -+ return; -+} ---- /dev/null -+++ b/drivers/bluetooth/hci_h4p/fw-csr.c -@@ -0,0 +1,149 @@ -+/* -+ * This file is part of hci_h4p bluetooth driver -+ * -+ * Copyright (C) 2005, 2006 Nokia Corporation. -+ * -+ * Contact: Ville Tervo <ville.tervo@nokia.com> -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * version 2 as published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA -+ * 02110-1301 USA -+ * -+ */ -+ -+#include <linux/skbuff.h> -+#include <linux/delay.h> -+#include <linux/serial_reg.h> -+ -+#include "hci_h4p.h" -+ -+void hci_h4p_bc4_parse_fw_event(struct hci_h4p_info *info, struct sk_buff *skb) -+{ -+ /* Check if this is fw packet */ -+ if (skb->data[0] != 0xff) { -+ hci_recv_frame(skb); -+ return; -+ } -+ -+ if (skb->data[11] || skb->data[12]) { -+ dev_err(info->dev, "Firmware sending command failed\n"); -+ info->fw_error = -EPROTO; -+ } -+ -+ kfree_skb(skb); -+ complete(&info->fw_completion); -+} -+ -+int hci_h4p_bc4_send_fw(struct hci_h4p_info *info, -+ struct sk_buff_head *fw_queue) -+{ -+ struct sk_buff *skb; -+ unsigned int offset; -+ int retries, count, i; -+ -+ info->fw_error = 0; -+ -+ NBT_DBG_FW("Sending firmware\n"); -+ skb = skb_dequeue(fw_queue); -+ -+ if (!skb) -+ return -ENOMSG; -+ -+ info->bdaddr[0] = 0x00; -+ info->bdaddr[1] = 0x1D; -+ info->bdaddr[2] = 0x6E; -+ info->bdaddr[3] = 0xD4; -+ info->bdaddr[4] = 0xF0; -+ info->bdaddr[5] = 0x37; -+ -+ /* Check if this is bd_address packet */ -+ if (skb->data[15] == 0x01 && skb->data[16] == 0x00) { -+ dev_info(info->dev, "bd_address packet found\n"); -+ offset = 21; -+ skb->data[offset + 1] = 0x00; -+ skb->data[offset + 5] = 0x00; -+ skb->data[offset + 7] = info->bdaddr[0]; -+ skb->data[offset + 6] = info->bdaddr[1]; -+ skb->data[offset + 4] = info->bdaddr[2]; -+ skb->data[offset + 0] = info->bdaddr[3]; -+ skb->data[offset + 3] = info->bdaddr[4]; -+ skb->data[offset + 2] = info->bdaddr[5]; -+ } -+ -+ for (i = 0; i < 6; i++) { -+ if (info->bdaddr[i] != 0x00) -+ break; -+ } -+ -+ /* if (i > 5) { -+ dev_info(info->dev, "Valid bluetooth address not found.\n"); -+ kfree_skb(skb); -+ return -ENODEV; -+ } */ -+ -+ for (count = 1; ; count++) { -+ NBT_DBG_FW("Sending firmware command %d\n", count); -+ init_completion(&info->fw_completion); -+ skb_queue_tail(&info->txq, skb); -+ tasklet_schedule(&info->tx_task); -+ -+ skb = skb_dequeue(fw_queue); -+ if (!skb) -+ break; -+ -+ if (!wait_for_completion_timeout(&info->fw_completion, -+ msecs_to_jiffies(1000))) { -+ dev_err(info->dev, "No reply to fw command\n"); -+ return -ETIMEDOUT; -+ } -+ -+ if (info->fw_error) { -+ dev_err(info->dev, "FW error\n"); -+ return -EPROTO; -+ } -+ }; -+ -+ /* Wait for chip warm reset */ -+ retries = 100; -+ while ((!skb_queue_empty(&info->txq) || -+ !(hci_h4p_inb(info, UART_LSR) & UART_LSR_TEMT)) && -+ retries--) { -+ msleep(10); -+ } -+ if (!retries) { -+ dev_err(info->dev, "Transmitter not empty\n"); -+ return -ETIMEDOUT; -+ } -+ -+ hci_h4p_change_speed(info, BC4_MAX_BAUD_RATE); -+ -+ if (hci_h4p_wait_for_cts(info, 1, 100)) { -+ dev_err(info->dev, "cts didn't go down after final speed change\n"); -+ return -ETIMEDOUT; -+ } -+ -+ retries = 100; -+ do { -+ init_completion(&info->init_completion); -+ hci_h4p_send_alive_packet(info); -+ retries--; -+ } while (!wait_for_completion_timeout(&info->init_completion, 100) && -+ retries > 0); -+ -+ if (!retries) { -+ dev_err(info->dev, "No alive reply after speed change\n"); -+ return -ETIMEDOUT; -+ } -+ -+ return 0; -+} ---- /dev/null -+++ b/drivers/bluetooth/hci_h4p/fw-ti.c -@@ -0,0 +1,90 @@ -+/* -+ * This file is part of hci_h4p bluetooth driver -+ * -+ * Copyright (C) 2005, 2006 Nokia Corporation. -+ * -+ * Contact: Ville Tervo <ville.tervo@nokia.com> -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * version 2 as published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA -+ * 02110-1301 USA -+ * -+ */ -+ -+#include <linux/skbuff.h> -+ -+#include "hci_h4p.h" -+ -+void hci_h4p_brf6150_parse_fw_event(struct hci_h4p_info *info, -+ struct sk_buff *skb) -+{ -+ struct hci_fw_event *ev; -+ int err = 0; -+ -+ if (bt_cb(skb)->pkt_type != H4_EVT_PKT) { -+ dev_err(info->dev, "Got non event fw packet.\n"); -+ err = -EPROTO; -+ goto ret; -+ } -+ -+ ev = (struct hci_fw_event *)skb->data; -+ if (ev->hev.evt != HCI_EV_CMD_COMPLETE) { -+ dev_err(info->dev, "Got non cmd complete fw event\n"); -+ err = -EPROTO; -+ goto ret; -+ } -+ -+ if (ev->status != 0) { -+ dev_err(info->dev, "Got error status from fw command\n"); -+ err = -EPROTO; -+ goto ret; -+ } -+ -+ret: -+ info->fw_error = err; -+ complete(&info->fw_completion); -+} -+ -+int hci_h4p_brf6150_send_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue) -+{ -+ struct sk_buff *skb; -+ int err = 0; -+ -+ info->fw_error = 0; -+ -+ while ((skb = skb_dequeue(fw_queue)) != NULL) { -+ /* We should allways send word aligned data to h4+ devices */ -+ if (skb->len % 2) { -+ err = skb_pad(skb, 1); -+ } -+ if (err) -+ return err; -+ -+ init_completion(&info->fw_completion); -+ skb_queue_tail(&info->txq, skb); -+ tasklet_schedule(&info->tx_task); -+ -+ if (!wait_for_completion_timeout(&info->fw_completion, HZ)) { -+ dev_err(info->dev, "Timeout while sending brf6150 fw\n"); -+ return -ETIMEDOUT; -+ } -+ -+ if (info->fw_error) { -+ dev_err(info->dev, "There was fw_error while sending bfr6150 fw\n"); -+ return -EPROTO; -+ } -+ } -+ NBT_DBG_FW("Firmware sent\n"); -+ -+ return 0; -+} ---- /dev/null -+++ b/drivers/bluetooth/hci_h4p/hci_h4p.h -@@ -0,0 +1,183 @@ -+/* -+ * This file is part of hci_h4p bluetooth driver -+ * -+ * Copyright (C) 2005, 2006 Nokia Corporation. -+ * -+ * Contact: Ville Tervo <ville.tervo@nokia.com> -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * version 2 as published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA -+ * 02110-1301 USA -+ * -+ */ -+ -+#include <mach/board.h> -+ -+#include <net/bluetooth/bluetooth.h> -+#include <net/bluetooth/hci_core.h> -+#include <net/bluetooth/hci.h> -+ -+#ifndef __DRIVERS_BLUETOOTH_HCI_H4P_H -+#define __DRIVERS_BLUETOOTH_HCI_H4P_H -+ -+#define UART_SYSC_OMAP_RESET 0x03 -+#define UART_SYSS_RESETDONE 0x01 -+#define UART_OMAP_SCR_EMPTY_THR 0x08 -+#define UART_OMAP_SCR_WAKEUP 0x10 -+#define UART_OMAP_SSR_WAKEUP 0x02 -+#define UART_OMAP_SSR_TXFULL 0x01 -+ -+#if 0 -+#define NBT_DBG(fmt, arg...) printk("%s: " fmt "" , __FUNCTION__ , ## arg) -+#else -+#define NBT_DBG(...) -+#endif -+ -+#if 0 -+#define NBT_DBG_FW(fmt, arg...) printk("%s: " fmt "" , __FUNCTION__ , ## arg) -+#else -+#define NBT_DBG_FW(...) -+#endif -+ -+#if 0 -+#define NBT_DBG_POWER(fmt, arg...) printk("%s: " fmt "" , __FUNCTION__ , ## arg) -+#else -+#define NBT_DBG_POWER(...) -+#endif -+ -+#if 0 -+#define NBT_DBG_TRANSFER(fmt, arg...) printk("%s: " fmt "" , __FUNCTION__ , ## arg) -+#else -+#define NBT_DBG_TRANSFER(...) -+#endif -+ -+#if 0 -+#define NBT_DBG_TRANSFER_NF(fmt, arg...) printk(fmt "" , ## arg) -+#else -+#define NBT_DBG_TRANSFER_NF(...) -+#endif -+ -+#if 0 -+#define NBT_DBG_DMA(fmt, arg...) printk("%s: " fmt "" , __FUNCTION__ , ## arg) -+#else -+#define NBT_DBG_DMA(...) -+#endif -+ -+struct hci_h4p_info { -+ struct hci_dev *hdev; -+ spinlock_t lock; -+ -+ void __iomem *uart_base; -+ unsigned long uart_phys_base; -+ int irq; -+ struct device *dev; -+ u8 bdaddr[6]; -+ u8 chip_type; -+ u8 bt_wakeup_gpio; -+ u8 host_wakeup_gpio; -+ u8 reset_gpio; -+ u8 bt_sysclk; -+ -+ -+ struct sk_buff_head fw_queue; -+ struct sk_buff *alive_cmd_skb; -+ struct completion init_completion; -+ struct completion fw_completion; -+ int fw_error; -+ int init_error; -+ -+ struct sk_buff_head txq; -+ struct tasklet_struct tx_task; -+ -+ struct sk_buff *rx_skb; -+ long rx_count; -+ unsigned long rx_state; -+ unsigned long garbage_bytes; -+ struct tasklet_struct rx_task; -+ -+ int pm_enabled; -+ int tx_pm_enabled; -+ int rx_pm_enabled; -+ struct timer_list tx_pm_timer; -+ struct timer_list rx_pm_timer; -+ -+ int tx_clocks_en; -+ int rx_clocks_en; -+ spinlock_t clocks_lock; -+ struct clk *uart_iclk; -+ struct clk *uart_fclk; -+}; -+ -+#define MAX_BAUD_RATE 921600 -+#define BC4_MAX_BAUD_RATE 3692300 -+#define UART_CLOCK 48000000 -+#define BT_INIT_DIVIDER 320 -+#define BT_BAUDRATE_DIVIDER 384000000 -+#define BT_SYSCLK_DIV 1000 -+#define INIT_SPEED 120000 -+ -+#define H4_TYPE_SIZE 1 -+ -+/* H4+ packet types */ -+#define H4_CMD_PKT 0x01 -+#define H4_ACL_PKT 0x02 -+#define H4_SCO_PKT 0x03 -+#define H4_EVT_PKT 0x04 -+#define H4_NEG_PKT 0x06 -+#define H4_ALIVE_PKT 0x07 -+ -+/* TX states */ -+#define WAIT_FOR_PKT_TYPE 1 -+#define WAIT_FOR_HEADER 2 -+#define WAIT_FOR_DATA 3 -+ -+struct hci_fw_event { -+ struct hci_event_hdr hev; -+ struct hci_ev_cmd_complete cmd; -+ u8 status; -+} __attribute__ ((packed)); -+ -+struct hci_bc4_set_bdaddr { -+ u8 type; -+ struct hci_command_hdr cmd_hdr; -+} __attribute__ ((packed)); -+ -+int hci_h4p_send_alive_packet(struct hci_h4p_info *info); -+ -+void hci_h4p_bc4_parse_fw_event(struct hci_h4p_info *info, -+ struct sk_buff *skb); -+int hci_h4p_bc4_send_fw(struct hci_h4p_info *info, -+ struct sk_buff_head *fw_queue); -+ -+void hci_h4p_brf6150_parse_fw_event(struct hci_h4p_info *info, -+ struct sk_buff *skb); -+int hci_h4p_brf6150_send_fw(struct hci_h4p_info *info, -+ struct sk_buff_head *fw_queue); -+ -+int hci_h4p_read_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue); -+int hci_h4p_send_fw(struct hci_h4p_info *info, struct sk_buff_head *fw_queue); -+void hci_h4p_parse_fw_event(struct hci_h4p_info *info, struct sk_buff *skb); -+ -+int hci_h4p_sysfs_create_files(struct device *dev); -+ -+void hci_h4p_outb(struct hci_h4p_info *info, unsigned int offset, u8 val); -+u8 hci_h4p_inb(struct hci_h4p_info *info, unsigned int offset); -+void hci_h4p_set_rts(struct hci_h4p_info *info, int active); -+int hci_h4p_wait_for_cts(struct hci_h4p_info *info, int active, int timeout_ms); -+void __hci_h4p_set_auto_ctsrts(struct hci_h4p_info *info, int on, u8 which); -+void hci_h4p_set_auto_ctsrts(struct hci_h4p_info *info, int on, u8 which); -+void hci_h4p_change_speed(struct hci_h4p_info *info, unsigned long speed); -+int hci_h4p_reset_uart(struct hci_h4p_info *info); -+int hci_h4p_init_uart(struct hci_h4p_info *info); -+ -+#endif /* __DRIVERS_BLUETOOTH_HCI_H4P_H */ ---- /dev/null -+++ b/drivers/bluetooth/hci_h4p/Makefile -@@ -0,0 +1,7 @@ -+# -+# Makefile for the Linux Bluetooth HCI device drivers. -+# -+ -+obj-$(CONFIG_BT_HCIH4P) += hci_h4p.o -+ -+hci_h4p-objs := core.o fw.o uart.o sysfs.o fw-ti.o fw-csr.o ---- /dev/null -+++ b/drivers/bluetooth/hci_h4p/sysfs.c -@@ -0,0 +1,84 @@ -+/* -+ * This file is part of hci_h4p bluetooth driver -+ * -+ * Copyright (C) 2005, 2006 Nokia Corporation. -+ * -+ * Contact: Ville Tervo <ville.tervo@nokia.com> -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * version 2 as published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA -+ * 02110-1301 USA -+ * -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/device.h> -+#include <linux/platform_device.h> -+ -+#include "hci_h4p.h" -+ -+#ifdef CONFIG_SYSFS -+ -+static ssize_t hci_h4p_store_bdaddr(struct device *dev, struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ struct hci_h4p_info *info = (struct hci_h4p_info*)dev_get_drvdata(dev); -+ unsigned int bdaddr[6]; -+ int ret, i; -+ -+ dev_info(info->dev, "HCI_H4P_STORE_BDADDR called\n"); -+ -+ ret = sscanf(buf, "%2x:%2x:%2x:%2x:%2x:%2x\n", -+ &bdaddr[0], &bdaddr[1], &bdaddr[2], -+ &bdaddr[3], &bdaddr[4], &bdaddr[5]); -+ -+ if (ret != 6) { -+ dev_info(info->dev, "bdaddr isn't found\n"); -+ return -EINVAL; -+ } -+ -+ //for (i = 0; i < 6; i++) -+ //info->bdaddr[i] = bdaddr[i] & 0xff; -+ -+ info->bdaddr[0] = 0x00; -+ info->bdaddr[1] = 0x1D; -+ info->bdaddr[2] = 0x6E; -+ info->bdaddr[3] = 0xD4; -+ info->bdaddr[4] = 0xF0; -+ info->bdaddr[5] = 0x37; -+ -+ return count; -+} -+ -+static ssize_t hci_h4p_show_bdaddr(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ struct hci_h4p_info *info = (struct hci_h4p_info*)dev_get_drvdata(dev); -+ -+ return sprintf(buf, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", -+ info->bdaddr[0], -+ info->bdaddr[1], -+ info->bdaddr[2], -+ info->bdaddr[3], -+ info->bdaddr[4], -+ info->bdaddr[5]); -+} -+ -+static DEVICE_ATTR(bdaddr, S_IRUGO | S_IWUSR, hci_h4p_show_bdaddr, hci_h4p_store_bdaddr); -+int hci_h4p_sysfs_create_files(struct device *dev) -+{ -+ return device_create_file(dev, &dev_attr_bdaddr); -+} -+ -+#endif ---- /dev/null -+++ b/drivers/bluetooth/hci_h4p/uart.c -@@ -0,0 +1,169 @@ -+/* -+ * This file is part of hci_h4p bluetooth driver -+ * -+ * Copyright (C) 2005, 2006 Nokia Corporation. -+ * -+ * Contact: Ville Tervo <ville.tervo@nokia.com> -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public License -+ * version 2 as published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ * General Public License for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software -+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA -+ * 02110-1301 USA -+ * -+ */ -+ -+#include <linux/serial_reg.h> -+#include <linux/delay.h> -+#include <linux/clk.h> -+ -+#include <asm/io.h> -+ -+#include "hci_h4p.h" -+ -+inline void hci_h4p_outb(struct hci_h4p_info *info, unsigned int offset, u8 val) -+{ -+ offset <<= 2; -+ __raw_writeb(val, info->uart_base + offset); -+ //outb(val, info->uart_base + (offset << 2)); -+} -+ -+inline u8 hci_h4p_inb(struct hci_h4p_info *info, unsigned int offset) -+{ -+ offset <<= 2; -+ return (u8)__raw_readb(info->uart_base + offset); -+ //return (unsigned int)__raw_readb(up->membase + offset); -+ //return inb(info->uart_base + (offset << 2)); -+} -+ -+void hci_h4p_set_rts(struct hci_h4p_info *info, int active) -+{ -+ u8 b; -+ -+ b = hci_h4p_inb(info, UART_MCR); -+ if (active) -+ b |= UART_MCR_RTS; -+ else -+ b &= ~UART_MCR_RTS; -+ hci_h4p_outb(info, UART_MCR, b); -+} -+ -+int hci_h4p_wait_for_cts(struct hci_h4p_info *info, int active, -+ int timeout_ms) -+{ -+ int okay; -+ unsigned long timeout; -+ -+ okay = 0; -+ timeout = jiffies + msecs_to_jiffies(timeout_ms); -+ for (;;) { -+ int state; -+ -+ state = hci_h4p_inb(info, UART_MSR) & UART_MSR_CTS; -+ if (active) { -+ if (state) -+ return 0; -+ } else { -+ if (!state) -+ return 0; -+ } -+ if (time_after(jiffies, timeout)) -+ return -ETIMEDOUT; -+ } -+} -+ -+void __hci_h4p_set_auto_ctsrts(struct hci_h4p_info *info, int on, u8 which) -+{ -+ u8 lcr, b; -+ -+ lcr = hci_h4p_inb(info, UART_LCR); -+ hci_h4p_outb(info, UART_LCR, 0xbf); -+ b = hci_h4p_inb(info, UART_EFR); -+ if (on) -+ b |= which; -+ else -+ b &= ~which; -+ hci_h4p_outb(info, UART_EFR, b); -+ hci_h4p_outb(info, UART_LCR, lcr); -+} -+ -+void hci_h4p_set_auto_ctsrts(struct hci_h4p_info *info, int on, u8 which) -+{ -+ unsigned long flags; -+ -+ spin_lock_irqsave(&info->lock, flags); -+ __hci_h4p_set_auto_ctsrts(info, on, which); -+ spin_unlock_irqrestore(&info->lock, flags); -+} -+ -+void hci_h4p_change_speed(struct hci_h4p_info *info, unsigned long speed) -+{ -+ unsigned int divisor; -+ u8 lcr, mdr1; -+ -+ NBT_DBG("Setting speed %lu\n", speed); -+ -+ if (speed >= 460800) { -+ divisor = UART_CLOCK / 13 / speed; -+ mdr1 = 3; -+ } else { -+ divisor = UART_CLOCK / 16 / speed; -+ mdr1 = 0; -+ } -+ -+ hci_h4p_outb(info, UART_OMAP_MDR1, 7); /* Make sure UART mode is disabled */ -+ lcr = hci_h4p_inb(info, UART_LCR); -+ hci_h4p_outb(info, UART_LCR, UART_LCR_DLAB); /* Set DLAB */ -+ hci_h4p_outb(info, UART_DLL, divisor & 0xff); /* Set speed */ -+ hci_h4p_outb(info, UART_DLM, divisor >> 8); -+ hci_h4p_outb(info, UART_LCR, lcr); -+ hci_h4p_outb(info, UART_OMAP_MDR1, mdr1); /* Make sure UART mode is enabled */ -+} -+ -+int hci_h4p_reset_uart(struct hci_h4p_info *info) -+{ -+ int count = 0; -+ -+ /* Reset the UART */ -+ hci_h4p_outb(info, UART_OMAP_SYSC, UART_SYSC_OMAP_RESET); -+ while (!(hci_h4p_inb(info, UART_OMAP_SYSS) & UART_SYSS_RESETDONE)) { -+ if (count++ > 20000) { -+ dev_err(info->dev, "hci_h4p: UART reset timeout\n"); -+ return -ENODEV; -+ } -+ udelay(1); -+ } -+ -+ return 0; -+} -+ -+int hci_h4p_init_uart(struct hci_h4p_info *info) -+{ -+ int err; -+ -+ err = hci_h4p_reset_uart(info); -+ if (err < 0) -+ return err; -+ -+ /* Enable and setup FIFO */ -+ hci_h4p_outb(info, UART_LCR, UART_LCR_WLEN8); -+ hci_h4p_outb(info, UART_OMAP_MDR1, 0x00); /* Make sure UART mode is enabled */ -+ hci_h4p_outb(info, UART_OMAP_SCR, 0x80); -+ hci_h4p_outb(info, UART_EFR, UART_EFR_ECB); -+ hci_h4p_outb(info, UART_MCR, UART_MCR_TCRTLR); -+ hci_h4p_outb(info, UART_TI752_TLR, 0x1f); -+ hci_h4p_outb(info, UART_TI752_TCR, 0xef); -+ hci_h4p_outb(info, UART_FCR, UART_FCR_ENABLE_FIFO | UART_FCR_CLEAR_RCVR | -+ UART_FCR_CLEAR_XMIT | UART_FCR_R_TRIG_00); -+ hci_h4p_outb(info, UART_IER, UART_IER_RDI); -+ -+ return 0; -+} ---- a/drivers/bluetooth/Kconfig -+++ b/drivers/bluetooth/Kconfig -@@ -173,6 +173,16 @@ config BT_HCIBTUART - Say Y here to compile support for HCI UART devices into the - kernel or say M to compile it as module (btuart_cs). - -+config BT_HCIH4P -+ tristate "HCI driver with H4 Nokia extensions" -+ depends on BT && ARCH_OMAP -+ help -+ Bluetooth HCI driver with H4 extensions. This driver provides -+ support for H4+ Bluetooth chip with vendor-specific H4 extensions. -+ -+ Say Y here to compile support for h4 extended devices into the kernel -+ or say M to compile it as module (hci_h4p). -+ - config BT_HCIVHCI - tristate "HCI VHCI (Virtual HCI device) driver" - help ---- a/drivers/bluetooth/Makefile -+++ b/drivers/bluetooth/Makefile -@@ -11,6 +11,7 @@ obj-$(CONFIG_BT_HCIDTL1) += dtl1_cs.o - obj-$(CONFIG_BT_HCIBT3C) += bt3c_cs.o - obj-$(CONFIG_BT_HCIBLUECARD) += bluecard_cs.o - obj-$(CONFIG_BT_HCIBTUART) += btuart_cs.o -+obj-$(CONFIG_BT_HCIH4P) += hci_h4p/ - - obj-$(CONFIG_BT_HCIBTUSB) += btusb.o - obj-$(CONFIG_BT_HCIBTSDIO) += btsdio.o |