1782 lines
41 KiB
C
1782 lines
41 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Marvell BT-over-SDIO driver: SDIO interface related functions.
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*
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* Copyright (C) 2009, Marvell International Ltd.
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**/
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#include <linux/firmware.h>
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#include <linux/slab.h>
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#include <linux/suspend.h>
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#include <linux/mmc/sdio_ids.h>
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#include <linux/mmc/sdio_func.h>
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#include <linux/module.h>
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#include <linux/devcoredump.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#include "btmrvl_drv.h"
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#include "btmrvl_sdio.h"
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#define VERSION "1.0"
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static struct memory_type_mapping mem_type_mapping_tbl[] = {
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{"ITCM", NULL, 0, 0xF0},
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{"DTCM", NULL, 0, 0xF1},
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{"SQRAM", NULL, 0, 0xF2},
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{"APU", NULL, 0, 0xF3},
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{"CIU", NULL, 0, 0xF4},
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{"ICU", NULL, 0, 0xF5},
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{"MAC", NULL, 0, 0xF6},
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{"EXT7", NULL, 0, 0xF7},
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{"EXT8", NULL, 0, 0xF8},
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{"EXT9", NULL, 0, 0xF9},
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{"EXT10", NULL, 0, 0xFA},
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{"EXT11", NULL, 0, 0xFB},
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{"EXT12", NULL, 0, 0xFC},
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{"EXT13", NULL, 0, 0xFD},
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{"EXTLAST", NULL, 0, 0xFE},
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};
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static const struct of_device_id btmrvl_sdio_of_match_table[] = {
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{ .compatible = "marvell,sd8897-bt" },
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{ .compatible = "marvell,sd8997-bt" },
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{ }
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};
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static irqreturn_t btmrvl_wake_irq_bt(int irq, void *priv)
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{
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struct btmrvl_sdio_card *card = priv;
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struct device *dev = &card->func->dev;
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struct btmrvl_plt_wake_cfg *cfg = card->plt_wake_cfg;
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dev_info(dev, "wake by bt\n");
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cfg->wake_by_bt = true;
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disable_irq_nosync(irq);
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pm_wakeup_event(dev, 0);
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pm_system_wakeup();
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return IRQ_HANDLED;
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}
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/* This function parses device tree node using mmc subnode devicetree API.
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* The device node is saved in card->plt_of_node.
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* If the device tree node exists and includes interrupts attributes, this
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* function will request platform specific wakeup interrupt.
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*/
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static int btmrvl_sdio_probe_of(struct device *dev,
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struct btmrvl_sdio_card *card)
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{
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struct btmrvl_plt_wake_cfg *cfg;
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int ret;
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if (!dev->of_node ||
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!of_match_node(btmrvl_sdio_of_match_table, dev->of_node)) {
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dev_info(dev, "sdio device tree data not available\n");
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return -1;
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}
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card->plt_of_node = dev->of_node;
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card->plt_wake_cfg = devm_kzalloc(dev, sizeof(*card->plt_wake_cfg),
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GFP_KERNEL);
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cfg = card->plt_wake_cfg;
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if (cfg && card->plt_of_node) {
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cfg->irq_bt = irq_of_parse_and_map(card->plt_of_node, 0);
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if (!cfg->irq_bt) {
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dev_err(dev, "fail to parse irq_bt from device tree\n");
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cfg->irq_bt = -1;
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} else {
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ret = devm_request_irq(dev, cfg->irq_bt,
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btmrvl_wake_irq_bt,
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0, "bt_wake", card);
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if (ret) {
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dev_err(dev,
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"Failed to request irq_bt %d (%d)\n",
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cfg->irq_bt, ret);
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}
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/* Configure wakeup (enabled by default) */
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device_init_wakeup(dev, true);
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disable_irq(cfg->irq_bt);
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}
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}
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return 0;
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}
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/* The btmrvl_sdio_remove() callback function is called
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* when user removes this module from kernel space or ejects
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* the card from the slot. The driver handles these 2 cases
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* differently.
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* If the user is removing the module, a MODULE_SHUTDOWN_REQ
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* command is sent to firmware and interrupt will be disabled.
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* If the card is removed, there is no need to send command
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* or disable interrupt.
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*
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* The variable 'user_rmmod' is used to distinguish these two
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* scenarios. This flag is initialized as FALSE in case the card
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* is removed, and will be set to TRUE for module removal when
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* module_exit function is called.
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*/
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static u8 user_rmmod;
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static u8 sdio_ireg;
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static const struct btmrvl_sdio_card_reg btmrvl_reg_8688 = {
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.cfg = 0x03,
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.host_int_mask = 0x04,
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.host_intstatus = 0x05,
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.card_status = 0x20,
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.sq_read_base_addr_a0 = 0x10,
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.sq_read_base_addr_a1 = 0x11,
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.card_fw_status0 = 0x40,
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.card_fw_status1 = 0x41,
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.card_rx_len = 0x42,
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.card_rx_unit = 0x43,
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.io_port_0 = 0x00,
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.io_port_1 = 0x01,
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.io_port_2 = 0x02,
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.int_read_to_clear = false,
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};
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static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
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.cfg = 0x00,
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.host_int_mask = 0x02,
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.host_intstatus = 0x03,
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.card_status = 0x30,
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.sq_read_base_addr_a0 = 0x40,
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.sq_read_base_addr_a1 = 0x41,
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.card_revision = 0x5c,
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.card_fw_status0 = 0x60,
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.card_fw_status1 = 0x61,
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.card_rx_len = 0x62,
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.card_rx_unit = 0x63,
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.io_port_0 = 0x78,
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.io_port_1 = 0x79,
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.io_port_2 = 0x7a,
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.int_read_to_clear = false,
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};
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static const struct btmrvl_sdio_card_reg btmrvl_reg_8887 = {
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.cfg = 0x00,
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.host_int_mask = 0x08,
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.host_intstatus = 0x0C,
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.card_status = 0x5C,
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.sq_read_base_addr_a0 = 0x6C,
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.sq_read_base_addr_a1 = 0x6D,
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.card_revision = 0xC8,
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.card_fw_status0 = 0x88,
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.card_fw_status1 = 0x89,
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.card_rx_len = 0x8A,
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.card_rx_unit = 0x8B,
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.io_port_0 = 0xE4,
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.io_port_1 = 0xE5,
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.io_port_2 = 0xE6,
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.int_read_to_clear = true,
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.host_int_rsr = 0x04,
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.card_misc_cfg = 0xD8,
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};
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static const struct btmrvl_sdio_card_reg btmrvl_reg_8897 = {
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.cfg = 0x00,
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.host_int_mask = 0x02,
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.host_intstatus = 0x03,
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.card_status = 0x50,
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.sq_read_base_addr_a0 = 0x60,
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.sq_read_base_addr_a1 = 0x61,
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.card_revision = 0xbc,
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.card_fw_status0 = 0xc0,
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.card_fw_status1 = 0xc1,
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.card_rx_len = 0xc2,
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.card_rx_unit = 0xc3,
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.io_port_0 = 0xd8,
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.io_port_1 = 0xd9,
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.io_port_2 = 0xda,
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.int_read_to_clear = true,
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.host_int_rsr = 0x01,
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.card_misc_cfg = 0xcc,
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.fw_dump_ctrl = 0xe2,
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.fw_dump_start = 0xe3,
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.fw_dump_end = 0xea,
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};
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static const struct btmrvl_sdio_card_reg btmrvl_reg_89xx = {
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.cfg = 0x00,
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.host_int_mask = 0x08,
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.host_intstatus = 0x0c,
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.card_status = 0x5c,
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.sq_read_base_addr_a0 = 0xf8,
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.sq_read_base_addr_a1 = 0xf9,
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.card_revision = 0xc8,
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.card_fw_status0 = 0xe8,
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.card_fw_status1 = 0xe9,
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.card_rx_len = 0xea,
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.card_rx_unit = 0xeb,
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.io_port_0 = 0xe4,
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.io_port_1 = 0xe5,
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.io_port_2 = 0xe6,
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.int_read_to_clear = true,
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.host_int_rsr = 0x04,
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.card_misc_cfg = 0xd8,
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.fw_dump_ctrl = 0xf0,
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.fw_dump_start = 0xf1,
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.fw_dump_end = 0xf8,
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};
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static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
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.helper = "mrvl/sd8688_helper.bin",
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.firmware = "mrvl/sd8688.bin",
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.reg = &btmrvl_reg_8688,
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.support_pscan_win_report = false,
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.sd_blksz_fw_dl = 64,
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.supports_fw_dump = false,
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};
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static const struct btmrvl_sdio_device btmrvl_sdio_sd8787 = {
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.helper = NULL,
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.firmware = "mrvl/sd8787_uapsta.bin",
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.reg = &btmrvl_reg_87xx,
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.support_pscan_win_report = false,
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.sd_blksz_fw_dl = 256,
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.supports_fw_dump = false,
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};
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static const struct btmrvl_sdio_device btmrvl_sdio_sd8797 = {
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.helper = NULL,
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.firmware = "mrvl/sd8797_uapsta.bin",
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.reg = &btmrvl_reg_87xx,
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.support_pscan_win_report = false,
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.sd_blksz_fw_dl = 256,
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.supports_fw_dump = false,
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};
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static const struct btmrvl_sdio_device btmrvl_sdio_sd8887 = {
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.helper = NULL,
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.firmware = "mrvl/sd8887_uapsta.bin",
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.reg = &btmrvl_reg_8887,
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.support_pscan_win_report = true,
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.sd_blksz_fw_dl = 256,
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.supports_fw_dump = false,
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};
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static const struct btmrvl_sdio_device btmrvl_sdio_sd8897 = {
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.helper = NULL,
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.firmware = "mrvl/sd8897_uapsta.bin",
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.reg = &btmrvl_reg_8897,
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.support_pscan_win_report = true,
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.sd_blksz_fw_dl = 256,
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.supports_fw_dump = true,
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};
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static const struct btmrvl_sdio_device btmrvl_sdio_sd8977 = {
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.helper = NULL,
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.firmware = "mrvl/sdsd8977_combo_v2.bin",
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.reg = &btmrvl_reg_89xx,
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.support_pscan_win_report = true,
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.sd_blksz_fw_dl = 256,
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.supports_fw_dump = true,
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};
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static const struct btmrvl_sdio_device btmrvl_sdio_sd8987 = {
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.helper = NULL,
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.firmware = "mrvl/sd8987_uapsta.bin",
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.reg = &btmrvl_reg_89xx,
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.support_pscan_win_report = true,
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.sd_blksz_fw_dl = 256,
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.supports_fw_dump = true,
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};
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static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = {
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.helper = NULL,
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.firmware = "mrvl/sdsd8997_combo_v4.bin",
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.reg = &btmrvl_reg_89xx,
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.support_pscan_win_report = true,
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.sd_blksz_fw_dl = 256,
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.supports_fw_dump = true,
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};
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static const struct sdio_device_id btmrvl_sdio_ids[] = {
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/* Marvell SD8688 Bluetooth device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8688_BT),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8688 },
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/* Marvell SD8787 Bluetooth device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_BT),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8787 },
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/* Marvell SD8787 Bluetooth AMP device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_BT_AMP),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8787 },
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/* Marvell SD8797 Bluetooth device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_BT),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8797 },
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/* Marvell SD8887 Bluetooth device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_BT),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8887 },
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/* Marvell SD8897 Bluetooth device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897_BT),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8897 },
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/* Marvell SD8977 Bluetooth device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977_BT),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8977 },
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/* Marvell SD8987 Bluetooth device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987_BT),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8987 },
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/* Marvell SD8997 Bluetooth device */
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{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997_BT),
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.driver_data = (unsigned long)&btmrvl_sdio_sd8997 },
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(sdio, btmrvl_sdio_ids);
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static int btmrvl_sdio_get_rx_unit(struct btmrvl_sdio_card *card)
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{
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u8 reg;
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int ret;
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reg = sdio_readb(card->func, card->reg->card_rx_unit, &ret);
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if (!ret)
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card->rx_unit = reg;
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return ret;
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}
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static int btmrvl_sdio_read_fw_status(struct btmrvl_sdio_card *card, u16 *dat)
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{
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u8 fws0, fws1;
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int ret;
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*dat = 0;
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fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret);
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if (ret)
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return -EIO;
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fws1 = sdio_readb(card->func, card->reg->card_fw_status1, &ret);
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if (ret)
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return -EIO;
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*dat = (((u16) fws1) << 8) | fws0;
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return 0;
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}
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static int btmrvl_sdio_read_rx_len(struct btmrvl_sdio_card *card, u16 *dat)
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{
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u8 reg;
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int ret;
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reg = sdio_readb(card->func, card->reg->card_rx_len, &ret);
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if (!ret)
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*dat = (u16) reg << card->rx_unit;
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return ret;
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}
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static int btmrvl_sdio_enable_host_int_mask(struct btmrvl_sdio_card *card,
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u8 mask)
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{
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int ret;
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sdio_writeb(card->func, mask, card->reg->host_int_mask, &ret);
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if (ret) {
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BT_ERR("Unable to enable the host interrupt!");
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ret = -EIO;
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}
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return ret;
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}
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static int btmrvl_sdio_disable_host_int_mask(struct btmrvl_sdio_card *card,
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u8 mask)
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{
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u8 host_int_mask;
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int ret;
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host_int_mask = sdio_readb(card->func, card->reg->host_int_mask, &ret);
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if (ret)
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return -EIO;
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host_int_mask &= ~mask;
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sdio_writeb(card->func, host_int_mask, card->reg->host_int_mask, &ret);
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if (ret < 0) {
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BT_ERR("Unable to disable the host interrupt!");
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return -EIO;
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}
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return 0;
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}
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static int btmrvl_sdio_poll_card_status(struct btmrvl_sdio_card *card, u8 bits)
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{
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unsigned int tries;
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u8 status;
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int ret;
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for (tries = 0; tries < MAX_POLL_TRIES * 1000; tries++) {
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status = sdio_readb(card->func, card->reg->card_status, &ret);
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if (ret)
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goto failed;
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if ((status & bits) == bits)
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return ret;
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udelay(1);
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}
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ret = -ETIMEDOUT;
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failed:
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BT_ERR("FAILED! ret=%d", ret);
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return ret;
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}
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static int btmrvl_sdio_verify_fw_download(struct btmrvl_sdio_card *card,
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int pollnum)
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{
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u16 firmwarestat;
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int tries, ret;
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/* Wait for firmware to become ready */
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for (tries = 0; tries < pollnum; tries++) {
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sdio_claim_host(card->func);
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ret = btmrvl_sdio_read_fw_status(card, &firmwarestat);
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sdio_release_host(card->func);
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if (ret < 0)
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continue;
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if (firmwarestat == FIRMWARE_READY)
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return 0;
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msleep(100);
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}
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return -ETIMEDOUT;
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}
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static int btmrvl_sdio_download_helper(struct btmrvl_sdio_card *card)
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{
|
|
const struct firmware *fw_helper = NULL;
|
|
const u8 *helper = NULL;
|
|
int ret;
|
|
void *tmphlprbuf = NULL;
|
|
int tmphlprbufsz, hlprblknow, helperlen;
|
|
u8 *helperbuf;
|
|
u32 tx_len;
|
|
|
|
ret = request_firmware(&fw_helper, card->helper,
|
|
&card->func->dev);
|
|
if ((ret < 0) || !fw_helper) {
|
|
BT_ERR("request_firmware(helper) failed, error code = %d",
|
|
ret);
|
|
ret = -ENOENT;
|
|
goto done;
|
|
}
|
|
|
|
helper = fw_helper->data;
|
|
helperlen = fw_helper->size;
|
|
|
|
BT_DBG("Downloading helper image (%d bytes), block size %d bytes",
|
|
helperlen, SDIO_BLOCK_SIZE);
|
|
|
|
tmphlprbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN);
|
|
|
|
tmphlprbuf = kzalloc(tmphlprbufsz, GFP_KERNEL);
|
|
if (!tmphlprbuf) {
|
|
BT_ERR("Unable to allocate buffer for helper."
|
|
" Terminating download");
|
|
ret = -ENOMEM;
|
|
goto done;
|
|
}
|
|
|
|
helperbuf = (u8 *) ALIGN_ADDR(tmphlprbuf, BTSDIO_DMA_ALIGN);
|
|
|
|
/* Perform helper data transfer */
|
|
tx_len = (FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE)
|
|
- SDIO_HEADER_LEN;
|
|
hlprblknow = 0;
|
|
|
|
do {
|
|
ret = btmrvl_sdio_poll_card_status(card,
|
|
CARD_IO_READY | DN_LD_CARD_RDY);
|
|
if (ret < 0) {
|
|
BT_ERR("Helper download poll status timeout @ %d",
|
|
hlprblknow);
|
|
goto done;
|
|
}
|
|
|
|
/* Check if there is more data? */
|
|
if (hlprblknow >= helperlen)
|
|
break;
|
|
|
|
if (helperlen - hlprblknow < tx_len)
|
|
tx_len = helperlen - hlprblknow;
|
|
|
|
/* Little-endian */
|
|
helperbuf[0] = ((tx_len & 0x000000ff) >> 0);
|
|
helperbuf[1] = ((tx_len & 0x0000ff00) >> 8);
|
|
helperbuf[2] = ((tx_len & 0x00ff0000) >> 16);
|
|
helperbuf[3] = ((tx_len & 0xff000000) >> 24);
|
|
|
|
memcpy(&helperbuf[SDIO_HEADER_LEN], &helper[hlprblknow],
|
|
tx_len);
|
|
|
|
/* Now send the data */
|
|
ret = sdio_writesb(card->func, card->ioport, helperbuf,
|
|
FIRMWARE_TRANSFER_NBLOCK * SDIO_BLOCK_SIZE);
|
|
if (ret < 0) {
|
|
BT_ERR("IO error during helper download @ %d",
|
|
hlprblknow);
|
|
goto done;
|
|
}
|
|
|
|
hlprblknow += tx_len;
|
|
} while (true);
|
|
|
|
BT_DBG("Transferring helper image EOF block");
|
|
|
|
memset(helperbuf, 0x0, SDIO_BLOCK_SIZE);
|
|
|
|
ret = sdio_writesb(card->func, card->ioport, helperbuf,
|
|
SDIO_BLOCK_SIZE);
|
|
if (ret < 0) {
|
|
BT_ERR("IO error in writing helper image EOF block");
|
|
goto done;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
done:
|
|
kfree(tmphlprbuf);
|
|
release_firmware(fw_helper);
|
|
return ret;
|
|
}
|
|
|
|
static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card)
|
|
{
|
|
const struct firmware *fw_firmware = NULL;
|
|
const u8 *firmware = NULL;
|
|
int firmwarelen, tmpfwbufsz, ret;
|
|
unsigned int tries, offset;
|
|
u8 base0, base1;
|
|
void *tmpfwbuf = NULL;
|
|
u8 *fwbuf;
|
|
u16 len, blksz_dl = card->sd_blksz_fw_dl;
|
|
int txlen = 0, tx_blocks = 0, count = 0;
|
|
|
|
ret = request_firmware(&fw_firmware, card->firmware,
|
|
&card->func->dev);
|
|
if ((ret < 0) || !fw_firmware) {
|
|
BT_ERR("request_firmware(firmware) failed, error code = %d",
|
|
ret);
|
|
ret = -ENOENT;
|
|
goto done;
|
|
}
|
|
|
|
firmware = fw_firmware->data;
|
|
firmwarelen = fw_firmware->size;
|
|
|
|
BT_DBG("Downloading FW image (%d bytes)", firmwarelen);
|
|
|
|
tmpfwbufsz = ALIGN_SZ(BTM_UPLD_SIZE, BTSDIO_DMA_ALIGN);
|
|
tmpfwbuf = kzalloc(tmpfwbufsz, GFP_KERNEL);
|
|
if (!tmpfwbuf) {
|
|
BT_ERR("Unable to allocate buffer for firmware."
|
|
" Terminating download");
|
|
ret = -ENOMEM;
|
|
goto done;
|
|
}
|
|
|
|
/* Ensure aligned firmware buffer */
|
|
fwbuf = (u8 *) ALIGN_ADDR(tmpfwbuf, BTSDIO_DMA_ALIGN);
|
|
|
|
/* Perform firmware data transfer */
|
|
offset = 0;
|
|
do {
|
|
ret = btmrvl_sdio_poll_card_status(card,
|
|
CARD_IO_READY | DN_LD_CARD_RDY);
|
|
if (ret < 0) {
|
|
BT_ERR("FW download with helper poll status"
|
|
" timeout @ %d", offset);
|
|
goto done;
|
|
}
|
|
|
|
/* Check if there is more data ? */
|
|
if (offset >= firmwarelen)
|
|
break;
|
|
|
|
for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
|
|
base0 = sdio_readb(card->func,
|
|
card->reg->sq_read_base_addr_a0, &ret);
|
|
if (ret) {
|
|
BT_ERR("BASE0 register read failed:"
|
|
" base0 = 0x%04X(%d)."
|
|
" Terminating download",
|
|
base0, base0);
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
base1 = sdio_readb(card->func,
|
|
card->reg->sq_read_base_addr_a1, &ret);
|
|
if (ret) {
|
|
BT_ERR("BASE1 register read failed:"
|
|
" base1 = 0x%04X(%d)."
|
|
" Terminating download",
|
|
base1, base1);
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
|
|
len = (((u16) base1) << 8) | base0;
|
|
if (len)
|
|
break;
|
|
|
|
udelay(10);
|
|
}
|
|
|
|
if (!len)
|
|
break;
|
|
else if (len > BTM_UPLD_SIZE) {
|
|
BT_ERR("FW download failure @%d, invalid length %d",
|
|
offset, len);
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
txlen = len;
|
|
|
|
if (len & BIT(0)) {
|
|
count++;
|
|
if (count > MAX_WRITE_IOMEM_RETRY) {
|
|
BT_ERR("FW download failure @%d, "
|
|
"over max retry count", offset);
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
BT_ERR("FW CRC error indicated by the helper: "
|
|
"len = 0x%04X, txlen = %d", len, txlen);
|
|
len &= ~BIT(0);
|
|
/* Set txlen to 0 so as to resend from same offset */
|
|
txlen = 0;
|
|
} else {
|
|
count = 0;
|
|
|
|
/* Last block ? */
|
|
if (firmwarelen - offset < txlen)
|
|
txlen = firmwarelen - offset;
|
|
|
|
tx_blocks = DIV_ROUND_UP(txlen, blksz_dl);
|
|
|
|
memcpy(fwbuf, &firmware[offset], txlen);
|
|
}
|
|
|
|
ret = sdio_writesb(card->func, card->ioport, fwbuf,
|
|
tx_blocks * blksz_dl);
|
|
|
|
if (ret < 0) {
|
|
BT_ERR("FW download, writesb(%d) failed @%d",
|
|
count, offset);
|
|
sdio_writeb(card->func, HOST_CMD53_FIN,
|
|
card->reg->cfg, &ret);
|
|
if (ret)
|
|
BT_ERR("writeb failed (CFG)");
|
|
}
|
|
|
|
offset += txlen;
|
|
} while (true);
|
|
|
|
BT_INFO("FW download over, size %d bytes", offset);
|
|
|
|
ret = 0;
|
|
|
|
done:
|
|
kfree(tmpfwbuf);
|
|
release_firmware(fw_firmware);
|
|
return ret;
|
|
}
|
|
|
|
static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv)
|
|
{
|
|
u16 buf_len = 0;
|
|
int ret, num_blocks, blksz;
|
|
struct sk_buff *skb = NULL;
|
|
u32 type;
|
|
u8 *payload;
|
|
struct hci_dev *hdev = priv->btmrvl_dev.hcidev;
|
|
struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
|
|
|
|
if (!card || !card->func) {
|
|
BT_ERR("card or function is NULL!");
|
|
ret = -EINVAL;
|
|
goto exit;
|
|
}
|
|
|
|
/* Read the length of data to be transferred */
|
|
ret = btmrvl_sdio_read_rx_len(card, &buf_len);
|
|
if (ret < 0) {
|
|
BT_ERR("read rx_len failed");
|
|
ret = -EIO;
|
|
goto exit;
|
|
}
|
|
|
|
blksz = SDIO_BLOCK_SIZE;
|
|
num_blocks = DIV_ROUND_UP(buf_len, blksz);
|
|
|
|
if (buf_len <= SDIO_HEADER_LEN
|
|
|| (num_blocks * blksz) > ALLOC_BUF_SIZE) {
|
|
BT_ERR("invalid packet length: %d", buf_len);
|
|
ret = -EINVAL;
|
|
goto exit;
|
|
}
|
|
|
|
/* Allocate buffer */
|
|
skb = bt_skb_alloc(num_blocks * blksz + BTSDIO_DMA_ALIGN, GFP_KERNEL);
|
|
if (!skb) {
|
|
BT_ERR("No free skb");
|
|
ret = -ENOMEM;
|
|
goto exit;
|
|
}
|
|
|
|
if ((unsigned long) skb->data & (BTSDIO_DMA_ALIGN - 1)) {
|
|
skb_put(skb, (unsigned long) skb->data &
|
|
(BTSDIO_DMA_ALIGN - 1));
|
|
skb_pull(skb, (unsigned long) skb->data &
|
|
(BTSDIO_DMA_ALIGN - 1));
|
|
}
|
|
|
|
payload = skb->data;
|
|
|
|
ret = sdio_readsb(card->func, payload, card->ioport,
|
|
num_blocks * blksz);
|
|
if (ret < 0) {
|
|
BT_ERR("readsb failed: %d", ret);
|
|
ret = -EIO;
|
|
goto exit;
|
|
}
|
|
|
|
/* This is SDIO specific header length: byte[2][1][0], type: byte[3]
|
|
* (HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor)
|
|
*/
|
|
|
|
buf_len = payload[0];
|
|
buf_len |= payload[1] << 8;
|
|
buf_len |= payload[2] << 16;
|
|
|
|
if (buf_len > blksz * num_blocks) {
|
|
BT_ERR("Skip incorrect packet: hdrlen %d buffer %d",
|
|
buf_len, blksz * num_blocks);
|
|
ret = -EIO;
|
|
goto exit;
|
|
}
|
|
|
|
type = payload[3];
|
|
|
|
switch (type) {
|
|
case HCI_ACLDATA_PKT:
|
|
case HCI_SCODATA_PKT:
|
|
case HCI_EVENT_PKT:
|
|
hci_skb_pkt_type(skb) = type;
|
|
skb_put(skb, buf_len);
|
|
skb_pull(skb, SDIO_HEADER_LEN);
|
|
|
|
if (type == HCI_EVENT_PKT) {
|
|
if (btmrvl_check_evtpkt(priv, skb))
|
|
hci_recv_frame(hdev, skb);
|
|
} else {
|
|
hci_recv_frame(hdev, skb);
|
|
}
|
|
|
|
hdev->stat.byte_rx += buf_len;
|
|
break;
|
|
|
|
case MRVL_VENDOR_PKT:
|
|
hci_skb_pkt_type(skb) = HCI_VENDOR_PKT;
|
|
skb_put(skb, buf_len);
|
|
skb_pull(skb, SDIO_HEADER_LEN);
|
|
|
|
if (btmrvl_process_event(priv, skb))
|
|
hci_recv_frame(hdev, skb);
|
|
|
|
hdev->stat.byte_rx += buf_len;
|
|
break;
|
|
|
|
default:
|
|
BT_ERR("Unknown packet type:%d", type);
|
|
BT_ERR("hex: %*ph", blksz * num_blocks, payload);
|
|
|
|
kfree_skb(skb);
|
|
skb = NULL;
|
|
break;
|
|
}
|
|
|
|
exit:
|
|
if (ret) {
|
|
hdev->stat.err_rx++;
|
|
kfree_skb(skb);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int btmrvl_sdio_process_int_status(struct btmrvl_private *priv)
|
|
{
|
|
ulong flags;
|
|
u8 ireg;
|
|
struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
|
|
|
|
spin_lock_irqsave(&priv->driver_lock, flags);
|
|
ireg = sdio_ireg;
|
|
sdio_ireg = 0;
|
|
spin_unlock_irqrestore(&priv->driver_lock, flags);
|
|
|
|
sdio_claim_host(card->func);
|
|
if (ireg & DN_LD_HOST_INT_STATUS) {
|
|
if (priv->btmrvl_dev.tx_dnld_rdy)
|
|
BT_DBG("tx_done already received: "
|
|
" int_status=0x%x", ireg);
|
|
else
|
|
priv->btmrvl_dev.tx_dnld_rdy = true;
|
|
}
|
|
|
|
if (ireg & UP_LD_HOST_INT_STATUS)
|
|
btmrvl_sdio_card_to_host(priv);
|
|
|
|
sdio_release_host(card->func);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btmrvl_sdio_read_to_clear(struct btmrvl_sdio_card *card, u8 *ireg)
|
|
{
|
|
struct btmrvl_adapter *adapter = card->priv->adapter;
|
|
int ret;
|
|
|
|
ret = sdio_readsb(card->func, adapter->hw_regs, 0, SDIO_BLOCK_SIZE);
|
|
if (ret) {
|
|
BT_ERR("sdio_readsb: read int hw_regs failed: %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
*ireg = adapter->hw_regs[card->reg->host_intstatus];
|
|
BT_DBG("hw_regs[%#x]=%#x", card->reg->host_intstatus, *ireg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btmrvl_sdio_write_to_clear(struct btmrvl_sdio_card *card, u8 *ireg)
|
|
{
|
|
int ret;
|
|
|
|
*ireg = sdio_readb(card->func, card->reg->host_intstatus, &ret);
|
|
if (ret) {
|
|
BT_ERR("sdio_readb: read int status failed: %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
if (*ireg) {
|
|
/*
|
|
* DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS
|
|
* Clear the interrupt status register and re-enable the
|
|
* interrupt.
|
|
*/
|
|
BT_DBG("int_status = 0x%x", *ireg);
|
|
|
|
sdio_writeb(card->func, ~(*ireg) & (DN_LD_HOST_INT_STATUS |
|
|
UP_LD_HOST_INT_STATUS),
|
|
card->reg->host_intstatus, &ret);
|
|
if (ret) {
|
|
BT_ERR("sdio_writeb: clear int status failed: %d", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void btmrvl_sdio_interrupt(struct sdio_func *func)
|
|
{
|
|
struct btmrvl_private *priv;
|
|
struct btmrvl_sdio_card *card;
|
|
ulong flags;
|
|
u8 ireg = 0;
|
|
int ret;
|
|
|
|
card = sdio_get_drvdata(func);
|
|
if (!card || !card->priv) {
|
|
BT_ERR("sbi_interrupt(%p) card or priv is NULL, card=%p",
|
|
func, card);
|
|
return;
|
|
}
|
|
|
|
priv = card->priv;
|
|
|
|
if (priv->surprise_removed)
|
|
return;
|
|
|
|
if (card->reg->int_read_to_clear)
|
|
ret = btmrvl_sdio_read_to_clear(card, &ireg);
|
|
else
|
|
ret = btmrvl_sdio_write_to_clear(card, &ireg);
|
|
|
|
if (ret)
|
|
return;
|
|
|
|
spin_lock_irqsave(&priv->driver_lock, flags);
|
|
sdio_ireg |= ireg;
|
|
spin_unlock_irqrestore(&priv->driver_lock, flags);
|
|
|
|
btmrvl_interrupt(priv);
|
|
}
|
|
|
|
static int btmrvl_sdio_register_dev(struct btmrvl_sdio_card *card)
|
|
{
|
|
struct sdio_func *func;
|
|
u8 reg;
|
|
int ret;
|
|
|
|
if (!card || !card->func) {
|
|
BT_ERR("Error: card or function is NULL!");
|
|
ret = -EINVAL;
|
|
goto failed;
|
|
}
|
|
|
|
func = card->func;
|
|
|
|
sdio_claim_host(func);
|
|
|
|
ret = sdio_enable_func(func);
|
|
if (ret) {
|
|
BT_ERR("sdio_enable_func() failed: ret=%d", ret);
|
|
ret = -EIO;
|
|
goto release_host;
|
|
}
|
|
|
|
ret = sdio_claim_irq(func, btmrvl_sdio_interrupt);
|
|
if (ret) {
|
|
BT_ERR("sdio_claim_irq failed: ret=%d", ret);
|
|
ret = -EIO;
|
|
goto disable_func;
|
|
}
|
|
|
|
ret = sdio_set_block_size(card->func, SDIO_BLOCK_SIZE);
|
|
if (ret) {
|
|
BT_ERR("cannot set SDIO block size");
|
|
ret = -EIO;
|
|
goto release_irq;
|
|
}
|
|
|
|
reg = sdio_readb(func, card->reg->io_port_0, &ret);
|
|
if (ret < 0) {
|
|
ret = -EIO;
|
|
goto release_irq;
|
|
}
|
|
|
|
card->ioport = reg;
|
|
|
|
reg = sdio_readb(func, card->reg->io_port_1, &ret);
|
|
if (ret < 0) {
|
|
ret = -EIO;
|
|
goto release_irq;
|
|
}
|
|
|
|
card->ioport |= (reg << 8);
|
|
|
|
reg = sdio_readb(func, card->reg->io_port_2, &ret);
|
|
if (ret < 0) {
|
|
ret = -EIO;
|
|
goto release_irq;
|
|
}
|
|
|
|
card->ioport |= (reg << 16);
|
|
|
|
BT_DBG("SDIO FUNC%d IO port: 0x%x", func->num, card->ioport);
|
|
|
|
if (card->reg->int_read_to_clear) {
|
|
reg = sdio_readb(func, card->reg->host_int_rsr, &ret);
|
|
if (ret < 0) {
|
|
ret = -EIO;
|
|
goto release_irq;
|
|
}
|
|
sdio_writeb(func, reg | 0x3f, card->reg->host_int_rsr, &ret);
|
|
if (ret < 0) {
|
|
ret = -EIO;
|
|
goto release_irq;
|
|
}
|
|
|
|
reg = sdio_readb(func, card->reg->card_misc_cfg, &ret);
|
|
if (ret < 0) {
|
|
ret = -EIO;
|
|
goto release_irq;
|
|
}
|
|
sdio_writeb(func, reg | 0x10, card->reg->card_misc_cfg, &ret);
|
|
if (ret < 0) {
|
|
ret = -EIO;
|
|
goto release_irq;
|
|
}
|
|
}
|
|
|
|
sdio_set_drvdata(func, card);
|
|
|
|
sdio_release_host(func);
|
|
|
|
return 0;
|
|
|
|
release_irq:
|
|
sdio_release_irq(func);
|
|
|
|
disable_func:
|
|
sdio_disable_func(func);
|
|
|
|
release_host:
|
|
sdio_release_host(func);
|
|
|
|
failed:
|
|
return ret;
|
|
}
|
|
|
|
static int btmrvl_sdio_unregister_dev(struct btmrvl_sdio_card *card)
|
|
{
|
|
if (card && card->func) {
|
|
sdio_claim_host(card->func);
|
|
sdio_release_irq(card->func);
|
|
sdio_disable_func(card->func);
|
|
sdio_release_host(card->func);
|
|
sdio_set_drvdata(card->func, NULL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btmrvl_sdio_enable_host_int(struct btmrvl_sdio_card *card)
|
|
{
|
|
int ret;
|
|
|
|
if (!card || !card->func)
|
|
return -EINVAL;
|
|
|
|
sdio_claim_host(card->func);
|
|
|
|
ret = btmrvl_sdio_enable_host_int_mask(card, HIM_ENABLE);
|
|
|
|
btmrvl_sdio_get_rx_unit(card);
|
|
|
|
sdio_release_host(card->func);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int btmrvl_sdio_disable_host_int(struct btmrvl_sdio_card *card)
|
|
{
|
|
int ret;
|
|
|
|
if (!card || !card->func)
|
|
return -EINVAL;
|
|
|
|
sdio_claim_host(card->func);
|
|
|
|
ret = btmrvl_sdio_disable_host_int_mask(card, HIM_DISABLE);
|
|
|
|
sdio_release_host(card->func);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int btmrvl_sdio_host_to_card(struct btmrvl_private *priv,
|
|
u8 *payload, u16 nb)
|
|
{
|
|
struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
|
|
int ret = 0;
|
|
int blksz;
|
|
int i = 0;
|
|
u8 *buf = NULL;
|
|
void *tmpbuf = NULL;
|
|
int tmpbufsz;
|
|
|
|
if (!card || !card->func) {
|
|
BT_ERR("card or function is NULL!");
|
|
return -EINVAL;
|
|
}
|
|
|
|
blksz = DIV_ROUND_UP(nb, SDIO_BLOCK_SIZE) * SDIO_BLOCK_SIZE;
|
|
|
|
buf = payload;
|
|
if ((unsigned long) payload & (BTSDIO_DMA_ALIGN - 1) ||
|
|
nb < blksz) {
|
|
tmpbufsz = ALIGN_SZ(blksz, BTSDIO_DMA_ALIGN) +
|
|
BTSDIO_DMA_ALIGN;
|
|
tmpbuf = kzalloc(tmpbufsz, GFP_KERNEL);
|
|
if (!tmpbuf)
|
|
return -ENOMEM;
|
|
buf = (u8 *) ALIGN_ADDR(tmpbuf, BTSDIO_DMA_ALIGN);
|
|
memcpy(buf, payload, nb);
|
|
}
|
|
|
|
sdio_claim_host(card->func);
|
|
|
|
do {
|
|
/* Transfer data to card */
|
|
ret = sdio_writesb(card->func, card->ioport, buf,
|
|
blksz);
|
|
if (ret < 0) {
|
|
i++;
|
|
BT_ERR("i=%d writesb failed: %d", i, ret);
|
|
BT_ERR("hex: %*ph", nb, payload);
|
|
ret = -EIO;
|
|
if (i > MAX_WRITE_IOMEM_RETRY)
|
|
goto exit;
|
|
}
|
|
} while (ret);
|
|
|
|
priv->btmrvl_dev.tx_dnld_rdy = false;
|
|
|
|
exit:
|
|
sdio_release_host(card->func);
|
|
kfree(tmpbuf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int btmrvl_sdio_download_fw(struct btmrvl_sdio_card *card)
|
|
{
|
|
int ret;
|
|
u8 fws0;
|
|
int pollnum = MAX_POLL_TRIES;
|
|
|
|
if (!card || !card->func) {
|
|
BT_ERR("card or function is NULL!");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!btmrvl_sdio_verify_fw_download(card, 1)) {
|
|
BT_DBG("Firmware already downloaded!");
|
|
return 0;
|
|
}
|
|
|
|
sdio_claim_host(card->func);
|
|
|
|
/* Check if other function driver is downloading the firmware */
|
|
fws0 = sdio_readb(card->func, card->reg->card_fw_status0, &ret);
|
|
if (ret) {
|
|
BT_ERR("Failed to read FW downloading status!");
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
if (fws0) {
|
|
BT_DBG("BT not the winner (%#x). Skip FW downloading", fws0);
|
|
|
|
/* Give other function more time to download the firmware */
|
|
pollnum *= 10;
|
|
} else {
|
|
if (card->helper) {
|
|
ret = btmrvl_sdio_download_helper(card);
|
|
if (ret) {
|
|
BT_ERR("Failed to download helper!");
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (btmrvl_sdio_download_fw_w_helper(card)) {
|
|
BT_ERR("Failed to download firmware!");
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* winner or not, with this test the FW synchronizes when the
|
|
* module can continue its initialization
|
|
*/
|
|
if (btmrvl_sdio_verify_fw_download(card, pollnum)) {
|
|
BT_ERR("FW failed to be active in time!");
|
|
ret = -ETIMEDOUT;
|
|
goto done;
|
|
}
|
|
|
|
sdio_release_host(card->func);
|
|
|
|
return 0;
|
|
|
|
done:
|
|
sdio_release_host(card->func);
|
|
return ret;
|
|
}
|
|
|
|
static int btmrvl_sdio_wakeup_fw(struct btmrvl_private *priv)
|
|
{
|
|
struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
|
|
int ret = 0;
|
|
|
|
if (!card || !card->func) {
|
|
BT_ERR("card or function is NULL!");
|
|
return -EINVAL;
|
|
}
|
|
|
|
sdio_claim_host(card->func);
|
|
|
|
sdio_writeb(card->func, HOST_POWER_UP, card->reg->cfg, &ret);
|
|
|
|
sdio_release_host(card->func);
|
|
|
|
BT_DBG("wake up firmware");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void btmrvl_sdio_dump_regs(struct btmrvl_private *priv)
|
|
{
|
|
struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
|
|
int ret = 0;
|
|
unsigned int reg, reg_start, reg_end;
|
|
char buf[256], *ptr;
|
|
u8 loop, func, data;
|
|
int MAX_LOOP = 2;
|
|
|
|
btmrvl_sdio_wakeup_fw(priv);
|
|
sdio_claim_host(card->func);
|
|
|
|
for (loop = 0; loop < MAX_LOOP; loop++) {
|
|
memset(buf, 0, sizeof(buf));
|
|
ptr = buf;
|
|
|
|
if (loop == 0) {
|
|
/* Read the registers of SDIO function0 */
|
|
func = loop;
|
|
reg_start = 0;
|
|
reg_end = 9;
|
|
} else {
|
|
func = 2;
|
|
reg_start = 0;
|
|
reg_end = 0x09;
|
|
}
|
|
|
|
ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ",
|
|
func, reg_start, reg_end);
|
|
for (reg = reg_start; reg <= reg_end; reg++) {
|
|
if (func == 0)
|
|
data = sdio_f0_readb(card->func, reg, &ret);
|
|
else
|
|
data = sdio_readb(card->func, reg, &ret);
|
|
|
|
if (!ret) {
|
|
ptr += sprintf(ptr, "%02x ", data);
|
|
} else {
|
|
ptr += sprintf(ptr, "ERR");
|
|
break;
|
|
}
|
|
}
|
|
|
|
BT_INFO("%s", buf);
|
|
}
|
|
|
|
sdio_release_host(card->func);
|
|
}
|
|
|
|
/* This function read/write firmware */
|
|
static enum
|
|
rdwr_status btmrvl_sdio_rdwr_firmware(struct btmrvl_private *priv,
|
|
u8 doneflag)
|
|
{
|
|
struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
|
|
int ret, tries;
|
|
u8 ctrl_data = 0;
|
|
|
|
sdio_writeb(card->func, FW_DUMP_HOST_READY, card->reg->fw_dump_ctrl,
|
|
&ret);
|
|
|
|
if (ret) {
|
|
BT_ERR("SDIO write err");
|
|
return RDWR_STATUS_FAILURE;
|
|
}
|
|
|
|
for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
|
|
ctrl_data = sdio_readb(card->func, card->reg->fw_dump_ctrl,
|
|
&ret);
|
|
|
|
if (ret) {
|
|
BT_ERR("SDIO read err");
|
|
return RDWR_STATUS_FAILURE;
|
|
}
|
|
|
|
if (ctrl_data == FW_DUMP_DONE)
|
|
break;
|
|
if (doneflag && ctrl_data == doneflag)
|
|
return RDWR_STATUS_DONE;
|
|
if (ctrl_data != FW_DUMP_HOST_READY) {
|
|
BT_INFO("The ctrl reg was changed, re-try again!");
|
|
sdio_writeb(card->func, FW_DUMP_HOST_READY,
|
|
card->reg->fw_dump_ctrl, &ret);
|
|
if (ret) {
|
|
BT_ERR("SDIO write err");
|
|
return RDWR_STATUS_FAILURE;
|
|
}
|
|
}
|
|
usleep_range(100, 200);
|
|
}
|
|
|
|
if (ctrl_data == FW_DUMP_HOST_READY) {
|
|
BT_ERR("Fail to pull ctrl_data");
|
|
return RDWR_STATUS_FAILURE;
|
|
}
|
|
|
|
return RDWR_STATUS_SUCCESS;
|
|
}
|
|
|
|
/* This function dump sdio register and memory data */
|
|
static void btmrvl_sdio_coredump(struct device *dev)
|
|
{
|
|
struct sdio_func *func = dev_to_sdio_func(dev);
|
|
struct btmrvl_sdio_card *card;
|
|
struct btmrvl_private *priv;
|
|
int ret = 0;
|
|
unsigned int reg, reg_start, reg_end;
|
|
enum rdwr_status stat;
|
|
u8 *dbg_ptr, *end_ptr, *fw_dump_data, *fw_dump_ptr;
|
|
u8 dump_num = 0, idx, i, read_reg, doneflag = 0;
|
|
u32 memory_size, fw_dump_len = 0;
|
|
int size = 0;
|
|
|
|
card = sdio_get_drvdata(func);
|
|
priv = card->priv;
|
|
|
|
/* dump sdio register first */
|
|
btmrvl_sdio_dump_regs(priv);
|
|
|
|
if (!card->supports_fw_dump) {
|
|
BT_ERR("Firmware dump not supported for this card!");
|
|
return;
|
|
}
|
|
|
|
for (idx = 0; idx < ARRAY_SIZE(mem_type_mapping_tbl); idx++) {
|
|
struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx];
|
|
|
|
if (entry->mem_ptr) {
|
|
vfree(entry->mem_ptr);
|
|
entry->mem_ptr = NULL;
|
|
}
|
|
entry->mem_size = 0;
|
|
}
|
|
|
|
btmrvl_sdio_wakeup_fw(priv);
|
|
sdio_claim_host(card->func);
|
|
|
|
BT_INFO("== btmrvl firmware dump start ==");
|
|
|
|
stat = btmrvl_sdio_rdwr_firmware(priv, doneflag);
|
|
if (stat == RDWR_STATUS_FAILURE)
|
|
goto done;
|
|
|
|
reg = card->reg->fw_dump_start;
|
|
/* Read the number of the memories which will dump */
|
|
dump_num = sdio_readb(card->func, reg, &ret);
|
|
|
|
if (ret) {
|
|
BT_ERR("SDIO read memory length err");
|
|
goto done;
|
|
}
|
|
|
|
/* Read the length of every memory which will dump */
|
|
for (idx = 0; idx < dump_num; idx++) {
|
|
struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx];
|
|
|
|
stat = btmrvl_sdio_rdwr_firmware(priv, doneflag);
|
|
if (stat == RDWR_STATUS_FAILURE)
|
|
goto done;
|
|
|
|
memory_size = 0;
|
|
reg = card->reg->fw_dump_start;
|
|
for (i = 0; i < 4; i++) {
|
|
read_reg = sdio_readb(card->func, reg, &ret);
|
|
if (ret) {
|
|
BT_ERR("SDIO read err");
|
|
goto done;
|
|
}
|
|
memory_size |= (read_reg << i*8);
|
|
reg++;
|
|
}
|
|
|
|
if (memory_size == 0) {
|
|
BT_INFO("Firmware dump finished!");
|
|
sdio_writeb(card->func, FW_DUMP_READ_DONE,
|
|
card->reg->fw_dump_ctrl, &ret);
|
|
if (ret) {
|
|
BT_ERR("SDIO Write MEMDUMP_FINISH ERR");
|
|
goto done;
|
|
}
|
|
break;
|
|
}
|
|
|
|
BT_INFO("%s_SIZE=0x%x", entry->mem_name, memory_size);
|
|
entry->mem_ptr = vzalloc(memory_size + 1);
|
|
entry->mem_size = memory_size;
|
|
if (!entry->mem_ptr) {
|
|
BT_ERR("Vzalloc %s failed", entry->mem_name);
|
|
goto done;
|
|
}
|
|
|
|
fw_dump_len += (strlen("========Start dump ") +
|
|
strlen(entry->mem_name) +
|
|
strlen("========\n") +
|
|
(memory_size + 1) +
|
|
strlen("\n========End dump========\n"));
|
|
|
|
dbg_ptr = entry->mem_ptr;
|
|
end_ptr = dbg_ptr + memory_size;
|
|
|
|
doneflag = entry->done_flag;
|
|
BT_INFO("Start %s output, please wait...",
|
|
entry->mem_name);
|
|
|
|
do {
|
|
stat = btmrvl_sdio_rdwr_firmware(priv, doneflag);
|
|
if (stat == RDWR_STATUS_FAILURE)
|
|
goto done;
|
|
|
|
reg_start = card->reg->fw_dump_start;
|
|
reg_end = card->reg->fw_dump_end;
|
|
for (reg = reg_start; reg <= reg_end; reg++) {
|
|
*dbg_ptr = sdio_readb(card->func, reg, &ret);
|
|
if (ret) {
|
|
BT_ERR("SDIO read err");
|
|
goto done;
|
|
}
|
|
if (dbg_ptr < end_ptr)
|
|
dbg_ptr++;
|
|
else
|
|
BT_ERR("Allocated buffer not enough");
|
|
}
|
|
|
|
if (stat == RDWR_STATUS_DONE) {
|
|
BT_INFO("%s done: size=0x%tx",
|
|
entry->mem_name,
|
|
dbg_ptr - entry->mem_ptr);
|
|
break;
|
|
}
|
|
} while (1);
|
|
}
|
|
|
|
BT_INFO("== btmrvl firmware dump end ==");
|
|
|
|
done:
|
|
sdio_release_host(card->func);
|
|
|
|
if (fw_dump_len == 0)
|
|
return;
|
|
|
|
fw_dump_data = vzalloc(fw_dump_len + 1);
|
|
if (!fw_dump_data) {
|
|
BT_ERR("Vzalloc fw_dump_data fail!");
|
|
return;
|
|
}
|
|
fw_dump_ptr = fw_dump_data;
|
|
|
|
/* Dump all the memory data into single file, a userspace script will
|
|
* be used to split all the memory data to multiple files
|
|
*/
|
|
BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump start");
|
|
for (idx = 0; idx < dump_num; idx++) {
|
|
struct memory_type_mapping *entry = &mem_type_mapping_tbl[idx];
|
|
|
|
if (entry->mem_ptr) {
|
|
size += scnprintf(fw_dump_ptr + size,
|
|
fw_dump_len + 1 - size,
|
|
"========Start dump %s========\n",
|
|
entry->mem_name);
|
|
|
|
memcpy(fw_dump_ptr + size, entry->mem_ptr,
|
|
entry->mem_size);
|
|
size += entry->mem_size;
|
|
|
|
size += scnprintf(fw_dump_ptr + size,
|
|
fw_dump_len + 1 - size,
|
|
"\n========End dump========\n");
|
|
|
|
vfree(mem_type_mapping_tbl[idx].mem_ptr);
|
|
mem_type_mapping_tbl[idx].mem_ptr = NULL;
|
|
}
|
|
}
|
|
|
|
/* fw_dump_data will be free in device coredump release function
|
|
* after 5 min
|
|
*/
|
|
dev_coredumpv(&card->func->dev, fw_dump_data, fw_dump_len, GFP_KERNEL);
|
|
BT_INFO("== btmrvl firmware dump to /sys/class/devcoredump end");
|
|
}
|
|
|
|
static int btmrvl_sdio_probe(struct sdio_func *func,
|
|
const struct sdio_device_id *id)
|
|
{
|
|
int ret = 0;
|
|
struct btmrvl_private *priv = NULL;
|
|
struct btmrvl_sdio_card *card = NULL;
|
|
|
|
BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d",
|
|
id->vendor, id->device, id->class, func->num);
|
|
|
|
card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL);
|
|
if (!card)
|
|
return -ENOMEM;
|
|
|
|
card->func = func;
|
|
|
|
if (id->driver_data) {
|
|
struct btmrvl_sdio_device *data = (void *) id->driver_data;
|
|
card->helper = data->helper;
|
|
card->firmware = data->firmware;
|
|
card->reg = data->reg;
|
|
card->sd_blksz_fw_dl = data->sd_blksz_fw_dl;
|
|
card->support_pscan_win_report = data->support_pscan_win_report;
|
|
card->supports_fw_dump = data->supports_fw_dump;
|
|
}
|
|
|
|
if (btmrvl_sdio_register_dev(card) < 0) {
|
|
BT_ERR("Failed to register BT device!");
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Disable the interrupts on the card */
|
|
btmrvl_sdio_disable_host_int(card);
|
|
|
|
if (btmrvl_sdio_download_fw(card)) {
|
|
BT_ERR("Downloading firmware failed!");
|
|
ret = -ENODEV;
|
|
goto unreg_dev;
|
|
}
|
|
|
|
btmrvl_sdio_enable_host_int(card);
|
|
|
|
/* Device tree node parsing and platform specific configuration*/
|
|
btmrvl_sdio_probe_of(&func->dev, card);
|
|
|
|
priv = btmrvl_add_card(card);
|
|
if (!priv) {
|
|
BT_ERR("Initializing card failed!");
|
|
ret = -ENODEV;
|
|
goto disable_host_int;
|
|
}
|
|
|
|
card->priv = priv;
|
|
|
|
/* Initialize the interface specific function pointers */
|
|
priv->hw_host_to_card = btmrvl_sdio_host_to_card;
|
|
priv->hw_wakeup_firmware = btmrvl_sdio_wakeup_fw;
|
|
priv->hw_process_int_status = btmrvl_sdio_process_int_status;
|
|
|
|
if (btmrvl_register_hdev(priv)) {
|
|
BT_ERR("Register hdev failed!");
|
|
ret = -ENODEV;
|
|
goto disable_host_int;
|
|
}
|
|
|
|
return 0;
|
|
|
|
disable_host_int:
|
|
btmrvl_sdio_disable_host_int(card);
|
|
unreg_dev:
|
|
btmrvl_sdio_unregister_dev(card);
|
|
return ret;
|
|
}
|
|
|
|
static void btmrvl_sdio_remove(struct sdio_func *func)
|
|
{
|
|
struct btmrvl_sdio_card *card;
|
|
|
|
if (func) {
|
|
card = sdio_get_drvdata(func);
|
|
if (card) {
|
|
/* Send SHUTDOWN command & disable interrupt
|
|
* if user removes the module.
|
|
*/
|
|
if (user_rmmod) {
|
|
btmrvl_send_module_cfg_cmd(card->priv,
|
|
MODULE_SHUTDOWN_REQ);
|
|
btmrvl_sdio_disable_host_int(card);
|
|
}
|
|
|
|
BT_DBG("unregister dev");
|
|
card->priv->surprise_removed = true;
|
|
btmrvl_sdio_unregister_dev(card);
|
|
btmrvl_remove_card(card->priv);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int btmrvl_sdio_suspend(struct device *dev)
|
|
{
|
|
struct sdio_func *func = dev_to_sdio_func(dev);
|
|
struct btmrvl_sdio_card *card;
|
|
struct btmrvl_private *priv;
|
|
mmc_pm_flag_t pm_flags;
|
|
struct hci_dev *hcidev;
|
|
|
|
if (func) {
|
|
pm_flags = sdio_get_host_pm_caps(func);
|
|
BT_DBG("%s: suspend: PM flags = 0x%x", sdio_func_id(func),
|
|
pm_flags);
|
|
if (!(pm_flags & MMC_PM_KEEP_POWER)) {
|
|
BT_ERR("%s: cannot remain alive while suspended",
|
|
sdio_func_id(func));
|
|
return -ENOSYS;
|
|
}
|
|
card = sdio_get_drvdata(func);
|
|
if (!card || !card->priv) {
|
|
BT_ERR("card or priv structure is not valid");
|
|
return 0;
|
|
}
|
|
} else {
|
|
BT_ERR("sdio_func is not specified");
|
|
return 0;
|
|
}
|
|
|
|
/* Enable platform specific wakeup interrupt */
|
|
if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0 &&
|
|
device_may_wakeup(dev)) {
|
|
card->plt_wake_cfg->wake_by_bt = false;
|
|
enable_irq(card->plt_wake_cfg->irq_bt);
|
|
enable_irq_wake(card->plt_wake_cfg->irq_bt);
|
|
}
|
|
|
|
priv = card->priv;
|
|
priv->adapter->is_suspending = true;
|
|
hcidev = priv->btmrvl_dev.hcidev;
|
|
BT_DBG("%s: SDIO suspend", hcidev->name);
|
|
hci_suspend_dev(hcidev);
|
|
|
|
if (priv->adapter->hs_state != HS_ACTIVATED) {
|
|
if (btmrvl_enable_hs(priv)) {
|
|
BT_ERR("HS not activated, suspend failed!");
|
|
/* Disable platform specific wakeup interrupt */
|
|
if (card->plt_wake_cfg &&
|
|
card->plt_wake_cfg->irq_bt >= 0 &&
|
|
device_may_wakeup(dev)) {
|
|
disable_irq_wake(card->plt_wake_cfg->irq_bt);
|
|
disable_irq(card->plt_wake_cfg->irq_bt);
|
|
}
|
|
|
|
priv->adapter->is_suspending = false;
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
|
|
priv->adapter->is_suspending = false;
|
|
priv->adapter->is_suspended = true;
|
|
|
|
/* We will keep the power when hs enabled successfully */
|
|
if (priv->adapter->hs_state == HS_ACTIVATED) {
|
|
BT_DBG("suspend with MMC_PM_KEEP_POWER");
|
|
return sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
|
|
}
|
|
|
|
BT_DBG("suspend without MMC_PM_KEEP_POWER");
|
|
return 0;
|
|
}
|
|
|
|
static int btmrvl_sdio_resume(struct device *dev)
|
|
{
|
|
struct sdio_func *func = dev_to_sdio_func(dev);
|
|
struct btmrvl_sdio_card *card;
|
|
struct btmrvl_private *priv;
|
|
mmc_pm_flag_t pm_flags;
|
|
struct hci_dev *hcidev;
|
|
|
|
if (func) {
|
|
pm_flags = sdio_get_host_pm_caps(func);
|
|
BT_DBG("%s: resume: PM flags = 0x%x", sdio_func_id(func),
|
|
pm_flags);
|
|
card = sdio_get_drvdata(func);
|
|
if (!card || !card->priv) {
|
|
BT_ERR("card or priv structure is not valid");
|
|
return 0;
|
|
}
|
|
} else {
|
|
BT_ERR("sdio_func is not specified");
|
|
return 0;
|
|
}
|
|
priv = card->priv;
|
|
|
|
if (!priv->adapter->is_suspended) {
|
|
BT_DBG("device already resumed");
|
|
return 0;
|
|
}
|
|
|
|
priv->hw_wakeup_firmware(priv);
|
|
priv->adapter->hs_state = HS_DEACTIVATED;
|
|
hcidev = priv->btmrvl_dev.hcidev;
|
|
BT_DBG("%s: HS DEACTIVATED in resume!", hcidev->name);
|
|
priv->adapter->is_suspended = false;
|
|
BT_DBG("%s: SDIO resume", hcidev->name);
|
|
hci_resume_dev(hcidev);
|
|
|
|
/* Disable platform specific wakeup interrupt */
|
|
if (card->plt_wake_cfg && card->plt_wake_cfg->irq_bt >= 0 &&
|
|
device_may_wakeup(dev)) {
|
|
disable_irq_wake(card->plt_wake_cfg->irq_bt);
|
|
disable_irq(card->plt_wake_cfg->irq_bt);
|
|
if (card->plt_wake_cfg->wake_by_bt)
|
|
/* Undo our disable, since interrupt handler already
|
|
* did this.
|
|
*/
|
|
enable_irq(card->plt_wake_cfg->irq_bt);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dev_pm_ops btmrvl_sdio_pm_ops = {
|
|
.suspend = btmrvl_sdio_suspend,
|
|
.resume = btmrvl_sdio_resume,
|
|
};
|
|
|
|
static struct sdio_driver bt_mrvl_sdio = {
|
|
.name = "btmrvl_sdio",
|
|
.id_table = btmrvl_sdio_ids,
|
|
.probe = btmrvl_sdio_probe,
|
|
.remove = btmrvl_sdio_remove,
|
|
.drv = {
|
|
.owner = THIS_MODULE,
|
|
.coredump = btmrvl_sdio_coredump,
|
|
.pm = &btmrvl_sdio_pm_ops,
|
|
}
|
|
};
|
|
|
|
static int __init btmrvl_sdio_init_module(void)
|
|
{
|
|
if (sdio_register_driver(&bt_mrvl_sdio) != 0) {
|
|
BT_ERR("SDIO Driver Registration Failed");
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Clear the flag in case user removes the card. */
|
|
user_rmmod = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit btmrvl_sdio_exit_module(void)
|
|
{
|
|
/* Set the flag as user is removing this module. */
|
|
user_rmmod = 1;
|
|
|
|
sdio_unregister_driver(&bt_mrvl_sdio);
|
|
}
|
|
|
|
module_init(btmrvl_sdio_init_module);
|
|
module_exit(btmrvl_sdio_exit_module);
|
|
|
|
MODULE_AUTHOR("Marvell International Ltd.");
|
|
MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION);
|
|
MODULE_VERSION(VERSION);
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_FIRMWARE("mrvl/sd8688_helper.bin");
|
|
MODULE_FIRMWARE("mrvl/sd8688.bin");
|
|
MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
|
|
MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
|
|
MODULE_FIRMWARE("mrvl/sd8887_uapsta.bin");
|
|
MODULE_FIRMWARE("mrvl/sd8897_uapsta.bin");
|
|
MODULE_FIRMWARE("mrvl/sdsd8977_combo_v2.bin");
|
|
MODULE_FIRMWARE("mrvl/sd8987_uapsta.bin");
|
|
MODULE_FIRMWARE("mrvl/sdsd8997_combo_v4.bin");
|