/* * This file is part of wl1271 * * Copyright (C) 2008-2010 Nokia Corporation * * 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 #include #include #include #include "../wlcore/wlcore.h" #include "../wlcore/debug.h" #include "../wlcore/io.h" #include "../wlcore/acx.h" #include "../wlcore/tx.h" #include "../wlcore/rx.h" #include "../wlcore/io.h" #include "../wlcore/boot.h" #include "reg.h" #include "cmd.h" #include "acx.h" #define WL12XX_TX_HW_BLOCK_SPARE_DEFAULT 1 #define WL12XX_TX_HW_BLOCK_GEM_SPARE 2 #define WL12XX_TX_HW_BLOCK_SIZE 252 static const u8 wl12xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */ 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */ 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */ 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */ 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */ 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */ 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */ 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */ 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */ 11, /* WL12XX_CONF_HW_RXTX_RATE_54 */ 10, /* WL12XX_CONF_HW_RXTX_RATE_48 */ 9, /* WL12XX_CONF_HW_RXTX_RATE_36 */ 8, /* WL12XX_CONF_HW_RXTX_RATE_24 */ /* TI-specific rate */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */ 7, /* WL12XX_CONF_HW_RXTX_RATE_18 */ 6, /* WL12XX_CONF_HW_RXTX_RATE_12 */ 3, /* WL12XX_CONF_HW_RXTX_RATE_11 */ 5, /* WL12XX_CONF_HW_RXTX_RATE_9 */ 4, /* WL12XX_CONF_HW_RXTX_RATE_6 */ 2, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */ 1, /* WL12XX_CONF_HW_RXTX_RATE_2 */ 0 /* WL12XX_CONF_HW_RXTX_RATE_1 */ }; static const u8 wl12xx_rate_to_idx_5ghz[] = { /* MCS rates are used only with 11n */ 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI */ 7, /* WL12XX_CONF_HW_RXTX_RATE_MCS7 */ 6, /* WL12XX_CONF_HW_RXTX_RATE_MCS6 */ 5, /* WL12XX_CONF_HW_RXTX_RATE_MCS5 */ 4, /* WL12XX_CONF_HW_RXTX_RATE_MCS4 */ 3, /* WL12XX_CONF_HW_RXTX_RATE_MCS3 */ 2, /* WL12XX_CONF_HW_RXTX_RATE_MCS2 */ 1, /* WL12XX_CONF_HW_RXTX_RATE_MCS1 */ 0, /* WL12XX_CONF_HW_RXTX_RATE_MCS0 */ 7, /* WL12XX_CONF_HW_RXTX_RATE_54 */ 6, /* WL12XX_CONF_HW_RXTX_RATE_48 */ 5, /* WL12XX_CONF_HW_RXTX_RATE_36 */ 4, /* WL12XX_CONF_HW_RXTX_RATE_24 */ /* TI-specific rate */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_22 */ 3, /* WL12XX_CONF_HW_RXTX_RATE_18 */ 2, /* WL12XX_CONF_HW_RXTX_RATE_12 */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_11 */ 1, /* WL12XX_CONF_HW_RXTX_RATE_9 */ 0, /* WL12XX_CONF_HW_RXTX_RATE_6 */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_5_5 */ CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL12XX_CONF_HW_RXTX_RATE_2 */ CONF_HW_RXTX_RATE_UNSUPPORTED /* WL12XX_CONF_HW_RXTX_RATE_1 */ }; static const u8 *wl12xx_band_rate_to_idx[] = { [IEEE80211_BAND_2GHZ] = wl12xx_rate_to_idx_2ghz, [IEEE80211_BAND_5GHZ] = wl12xx_rate_to_idx_5ghz }; enum wl12xx_hw_rates { WL12XX_CONF_HW_RXTX_RATE_MCS7_SGI = 0, WL12XX_CONF_HW_RXTX_RATE_MCS7, WL12XX_CONF_HW_RXTX_RATE_MCS6, WL12XX_CONF_HW_RXTX_RATE_MCS5, WL12XX_CONF_HW_RXTX_RATE_MCS4, WL12XX_CONF_HW_RXTX_RATE_MCS3, WL12XX_CONF_HW_RXTX_RATE_MCS2, WL12XX_CONF_HW_RXTX_RATE_MCS1, WL12XX_CONF_HW_RXTX_RATE_MCS0, WL12XX_CONF_HW_RXTX_RATE_54, WL12XX_CONF_HW_RXTX_RATE_48, WL12XX_CONF_HW_RXTX_RATE_36, WL12XX_CONF_HW_RXTX_RATE_24, WL12XX_CONF_HW_RXTX_RATE_22, WL12XX_CONF_HW_RXTX_RATE_18, WL12XX_CONF_HW_RXTX_RATE_12, WL12XX_CONF_HW_RXTX_RATE_11, WL12XX_CONF_HW_RXTX_RATE_9, WL12XX_CONF_HW_RXTX_RATE_6, WL12XX_CONF_HW_RXTX_RATE_5_5, WL12XX_CONF_HW_RXTX_RATE_2, WL12XX_CONF_HW_RXTX_RATE_1, WL12XX_CONF_HW_RXTX_RATE_MAX, }; static struct wlcore_partition_set wl12xx_ptable[PART_TABLE_LEN] = { [PART_DOWN] = { .mem = { .start = 0x00000000, .size = 0x000177c0 }, .reg = { .start = REGISTERS_BASE, .size = 0x00008800 }, .mem2 = { .start = 0x00000000, .size = 0x00000000 }, .mem3 = { .start = 0x00000000, .size = 0x00000000 }, }, [PART_BOOT] = { /* in wl12xx we can use a mix of work and down * partition here */ .mem = { .start = 0x00040000, .size = 0x00014fc0 }, .reg = { .start = REGISTERS_BASE, .size = 0x00008800 }, .mem2 = { .start = 0x00000000, .size = 0x00000000 }, .mem3 = { .start = 0x00000000, .size = 0x00000000 }, }, [PART_WORK] = { .mem = { .start = 0x00040000, .size = 0x00014fc0 }, .reg = { .start = REGISTERS_BASE, .size = 0x0000a000 }, .mem2 = { .start = 0x003004f8, .size = 0x00000004 }, .mem3 = { .start = 0x00040404, .size = 0x00000000 }, }, [PART_DRPW] = { .mem = { .start = 0x00040000, .size = 0x00014fc0 }, .reg = { .start = DRPW_BASE, .size = 0x00006000 }, .mem2 = { .start = 0x00000000, .size = 0x00000000 }, .mem3 = { .start = 0x00000000, .size = 0x00000000 } } }; static const int wl12xx_rtable[REG_TABLE_LEN] = { [REG_ECPU_CONTROL] = WL12XX_REG_ECPU_CONTROL, [REG_INTERRUPT_NO_CLEAR] = WL12XX_REG_INTERRUPT_NO_CLEAR, [REG_INTERRUPT_ACK] = WL12XX_REG_INTERRUPT_ACK, [REG_COMMAND_MAILBOX_PTR] = WL12XX_REG_COMMAND_MAILBOX_PTR, [REG_EVENT_MAILBOX_PTR] = WL12XX_REG_EVENT_MAILBOX_PTR, [REG_INTERRUPT_TRIG] = WL12XX_REG_INTERRUPT_TRIG, [REG_INTERRUPT_MASK] = WL12XX_REG_INTERRUPT_MASK, [REG_PC_ON_RECOVERY] = WL12XX_SCR_PAD4, [REG_CHIP_ID_B] = WL12XX_CHIP_ID_B, [REG_CMD_MBOX_ADDRESS] = WL12XX_CMD_MBOX_ADDRESS, /* data access memory addresses, used with partition translation */ [REG_SLV_MEM_DATA] = WL1271_SLV_MEM_DATA, [REG_SLV_REG_DATA] = WL1271_SLV_REG_DATA, /* raw data access memory addresses */ [REG_RAW_FW_STATUS_ADDR] = FW_STATUS_ADDR, }; /* TODO: maybe move to a new header file? */ #define WL127X_FW_NAME_MULTI "ti-connectivity/wl127x-fw-4-mr.bin" #define WL127X_FW_NAME_SINGLE "ti-connectivity/wl127x-fw-4-sr.bin" #define WL127X_PLT_FW_NAME "ti-connectivity/wl127x-fw-4-plt.bin" #define WL128X_FW_NAME_MULTI "ti-connectivity/wl128x-fw-4-mr.bin" #define WL128X_FW_NAME_SINGLE "ti-connectivity/wl128x-fw-4-sr.bin" #define WL128X_PLT_FW_NAME "ti-connectivity/wl128x-fw-4-plt.bin" static void wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) { if (wl->chip.id != CHIP_ID_1283_PG20) { struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map; struct wl1271_rx_mem_pool_addr rx_mem_addr; /* * Choose the block we want to read * For aggregated packets, only the first memory block * should be retrieved. The FW takes care of the rest. */ u32 mem_block = rx_desc & RX_MEM_BLOCK_MASK; rx_mem_addr.addr = (mem_block << 8) + le32_to_cpu(wl_mem_map->packet_memory_pool_start); rx_mem_addr.addr_extra = rx_mem_addr.addr + 4; wl1271_write(wl, WL1271_SLV_REG_DATA, &rx_mem_addr, sizeof(rx_mem_addr), false); } } static int wl12xx_identify_chip(struct wl1271 *wl) { int ret = 0; switch (wl->chip.id) { case CHIP_ID_1271_PG10: wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", wl->chip.id); /* clear the alignment quirk, since we don't support it */ wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; wl->quirks |= WLCORE_QUIRK_LEGACY_NVS; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; wl->mr_fw_name = WL127X_FW_NAME_MULTI; /* read data preparation is only needed by wl127x */ wl->ops->prepare_read = wl127x_prepare_read; break; case CHIP_ID_1271_PG20: wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", wl->chip.id); /* clear the alignment quirk, since we don't support it */ wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; wl->quirks |= WLCORE_QUIRK_LEGACY_NVS; wl->plt_fw_name = WL127X_PLT_FW_NAME; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; wl->mr_fw_name = WL127X_FW_NAME_MULTI; /* read data preparation is only needed by wl127x */ wl->ops->prepare_read = wl127x_prepare_read; break; case CHIP_ID_1283_PG20: wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1283 PG20)", wl->chip.id); wl->plt_fw_name = WL128X_PLT_FW_NAME; wl->sr_fw_name = WL128X_FW_NAME_SINGLE; wl->mr_fw_name = WL128X_FW_NAME_MULTI; break; case CHIP_ID_1283_PG10: default: wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); ret = -ENODEV; goto out; } out: return ret; } static void wl12xx_top_reg_write(struct wl1271 *wl, int addr, u16 val) { /* write address >> 1 + 0x30000 to OCP_POR_CTR */ addr = (addr >> 1) + 0x30000; wl1271_write32(wl, WL12XX_OCP_POR_CTR, addr); /* write value to OCP_POR_WDATA */ wl1271_write32(wl, WL12XX_OCP_DATA_WRITE, val); /* write 1 to OCP_CMD */ wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_WRITE); } static u16 wl12xx_top_reg_read(struct wl1271 *wl, int addr) { u32 val; int timeout = OCP_CMD_LOOP; /* write address >> 1 + 0x30000 to OCP_POR_CTR */ addr = (addr >> 1) + 0x30000; wl1271_write32(wl, WL12XX_OCP_POR_CTR, addr); /* write 2 to OCP_CMD */ wl1271_write32(wl, WL12XX_OCP_CMD, OCP_CMD_READ); /* poll for data ready */ do { val = wl1271_read32(wl, WL12XX_OCP_DATA_READ); } while (!(val & OCP_READY_MASK) && --timeout); if (!timeout) { wl1271_warning("Top register access timed out."); return 0xffff; } /* check data status and return if OK */ if ((val & OCP_STATUS_MASK) == OCP_STATUS_OK) return val & 0xffff; else { wl1271_warning("Top register access returned error."); return 0xffff; } } static int wl128x_switch_tcxo_to_fref(struct wl1271 *wl) { u16 spare_reg; /* Mask bits [2] & [8:4] in the sys_clk_cfg register */ spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG); if (spare_reg == 0xFFFF) return -EFAULT; spare_reg |= (BIT(3) | BIT(5) | BIT(6)); wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); /* Enable FREF_CLK_REQ & mux MCS and coex PLLs to FREF */ wl12xx_top_reg_write(wl, SYS_CLK_CFG_REG, WL_CLK_REQ_TYPE_PG2 | MCS_PLL_CLK_SEL_FREF); /* Delay execution for 15msec, to let the HW settle */ mdelay(15); return 0; } static bool wl128x_is_tcxo_valid(struct wl1271 *wl) { u16 tcxo_detection; tcxo_detection = wl12xx_top_reg_read(wl, TCXO_CLK_DETECT_REG); if (tcxo_detection & TCXO_DET_FAILED) return false; return true; } static bool wl128x_is_fref_valid(struct wl1271 *wl) { u16 fref_detection; fref_detection = wl12xx_top_reg_read(wl, FREF_CLK_DETECT_REG); if (fref_detection & FREF_CLK_DETECT_FAIL) return false; return true; } static int wl128x_manually_configure_mcs_pll(struct wl1271 *wl) { wl12xx_top_reg_write(wl, MCS_PLL_M_REG, MCS_PLL_M_REG_VAL); wl12xx_top_reg_write(wl, MCS_PLL_N_REG, MCS_PLL_N_REG_VAL); wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, MCS_PLL_CONFIG_REG_VAL); return 0; } static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) { u16 spare_reg; u16 pll_config; u8 input_freq; /* Mask bits [3:1] in the sys_clk_cfg register */ spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG); if (spare_reg == 0xFFFF) return -EFAULT; spare_reg |= BIT(2); wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); /* Handle special cases of the TCXO clock */ if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_8 || wl->tcxo_clock == WL12XX_TCXOCLOCK_33_6) return wl128x_manually_configure_mcs_pll(wl); /* Set the input frequency according to the selected clock source */ input_freq = (clk & 1) + 1; pll_config = wl12xx_top_reg_read(wl, MCS_PLL_CONFIG_REG); if (pll_config == 0xFFFF) return -EFAULT; pll_config |= (input_freq << MCS_SEL_IN_FREQ_SHIFT); pll_config |= MCS_PLL_ENABLE_HP; wl12xx_top_reg_write(wl, MCS_PLL_CONFIG_REG, pll_config); return 0; } /* * WL128x has two clocks input - TCXO and FREF. * TCXO is the main clock of the device, while FREF is used to sync * between the GPS and the cellular modem. * In cases where TCXO is 32.736MHz or 16.368MHz, the FREF will be used * as the WLAN/BT main clock. */ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) { u16 sys_clk_cfg; /* For XTAL-only modes, FREF will be used after switching from TCXO */ if (wl->ref_clock == WL12XX_REFCLOCK_26_XTAL || wl->ref_clock == WL12XX_REFCLOCK_38_XTAL) { if (!wl128x_switch_tcxo_to_fref(wl)) return -EINVAL; goto fref_clk; } /* Query the HW, to determine which clock source we should use */ sys_clk_cfg = wl12xx_top_reg_read(wl, SYS_CLK_CFG_REG); if (sys_clk_cfg == 0xFFFF) return -EINVAL; if (sys_clk_cfg & PRCM_CM_EN_MUX_WLAN_FREF) goto fref_clk; /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */ if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_368 || wl->tcxo_clock == WL12XX_TCXOCLOCK_32_736) { if (!wl128x_switch_tcxo_to_fref(wl)) return -EINVAL; goto fref_clk; } /* TCXO clock is selected */ if (!wl128x_is_tcxo_valid(wl)) return -EINVAL; *selected_clock = wl->tcxo_clock; goto config_mcs_pll; fref_clk: /* FREF clock is selected */ if (!wl128x_is_fref_valid(wl)) return -EINVAL; *selected_clock = wl->ref_clock; config_mcs_pll: return wl128x_configure_mcs_pll(wl, *selected_clock); } static int wl127x_boot_clk(struct wl1271 *wl) { u32 pause; u32 clk; if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3) wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION; if (wl->ref_clock == CONF_REF_CLK_19_2_E || wl->ref_clock == CONF_REF_CLK_38_4_E || wl->ref_clock == CONF_REF_CLK_38_4_M_XTAL) /* ref clk: 19.2/38.4/38.4-XTAL */ clk = 0x3; else if (wl->ref_clock == CONF_REF_CLK_26_E || wl->ref_clock == CONF_REF_CLK_52_E) /* ref clk: 26/52 */ clk = 0x5; else return -EINVAL; if (wl->ref_clock != CONF_REF_CLK_19_2_E) { u16 val; /* Set clock type (open drain) */ val = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE); val &= FREF_CLK_TYPE_BITS; wl12xx_top_reg_write(wl, OCP_REG_CLK_TYPE, val); /* Set clock pull mode (no pull) */ val = wl12xx_top_reg_read(wl, OCP_REG_CLK_PULL); val |= NO_PULL; wl12xx_top_reg_write(wl, OCP_REG_CLK_PULL, val); } else { u16 val; /* Set clock polarity */ val = wl12xx_top_reg_read(wl, OCP_REG_CLK_POLARITY); val &= FREF_CLK_POLARITY_BITS; val |= CLK_REQ_OUTN_SEL; wl12xx_top_reg_write(wl, OCP_REG_CLK_POLARITY, val); } wl1271_write32(wl, WL12XX_PLL_PARAMETERS, clk); pause = wl1271_read32(wl, WL12XX_PLL_PARAMETERS); wl1271_debug(DEBUG_BOOT, "pause1 0x%x", pause); pause &= ~(WU_COUNTER_PAUSE_VAL); pause |= WU_COUNTER_PAUSE_VAL; wl1271_write32(wl, WL12XX_WU_COUNTER_PAUSE, pause); return 0; } static int wl1271_boot_soft_reset(struct wl1271 *wl) { unsigned long timeout; u32 boot_data; /* perform soft reset */ wl1271_write32(wl, WL12XX_SLV_SOFT_RESET, ACX_SLV_SOFT_RESET_BIT); /* SOFT_RESET is self clearing */ timeout = jiffies + usecs_to_jiffies(SOFT_RESET_MAX_TIME); while (1) { boot_data = wl1271_read32(wl, WL12XX_SLV_SOFT_RESET); wl1271_debug(DEBUG_BOOT, "soft reset bootdata 0x%x", boot_data); if ((boot_data & ACX_SLV_SOFT_RESET_BIT) == 0) break; if (time_after(jiffies, timeout)) { /* 1.2 check pWhalBus->uSelfClearTime if the * timeout was reached */ wl1271_error("soft reset timeout"); return -1; } udelay(SOFT_RESET_STALL_TIME); } /* disable Rx/Tx */ wl1271_write32(wl, WL12XX_ENABLE, 0x0); /* disable auto calibration on start*/ wl1271_write32(wl, WL12XX_SPARE_A2, 0xffff); return 0; } static int wl12xx_pre_boot(struct wl1271 *wl) { int ret = 0; u32 clk; int selected_clock = -1; if (wl->chip.id == CHIP_ID_1283_PG20) { ret = wl128x_boot_clk(wl, &selected_clock); if (ret < 0) goto out; } else { ret = wl127x_boot_clk(wl); if (ret < 0) goto out; } /* Continue the ELP wake up sequence */ wl1271_write32(wl, WL12XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); udelay(500); wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); /* Read-modify-write DRPW_SCRATCH_START register (see next state) to be used by DRPw FW. The RTRIM value will be added by the FW before taking DRPw out of reset */ clk = wl1271_read32(wl, WL12XX_DRPW_SCRATCH_START); wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk); if (wl->chip.id == CHIP_ID_1283_PG20) clk |= ((selected_clock & 0x3) << 1) << 4; else clk |= (wl->ref_clock << 1) << 4; wl1271_write32(wl, WL12XX_DRPW_SCRATCH_START, clk); wlcore_set_partition(wl, &wl->ptable[PART_WORK]); /* Disable interrupts */ wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); ret = wl1271_boot_soft_reset(wl); if (ret < 0) goto out; out: return ret; } static void wl12xx_pre_upload(struct wl1271 *wl) { u32 tmp; /* write firmware's last address (ie. it's length) to * ACX_EEPROMLESS_IND_REG */ wl1271_debug(DEBUG_BOOT, "ACX_EEPROMLESS_IND_REG"); wl1271_write32(wl, WL12XX_EEPROMLESS_IND, WL12XX_EEPROMLESS_IND); tmp = wlcore_read_reg(wl, REG_CHIP_ID_B); wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp); /* 6. read the EEPROM parameters */ tmp = wl1271_read32(wl, WL12XX_SCR_PAD2); /* WL1271: The reference driver skips steps 7 to 10 (jumps directly * to upload_fw) */ if (wl->chip.id == CHIP_ID_1283_PG20) wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA); } static void wl12xx_enable_interrupts(struct wl1271 *wl) { u32 polarity; polarity = wl12xx_top_reg_read(wl, OCP_REG_POLARITY); /* We use HIGH polarity, so unset the LOW bit */ polarity &= ~POLARITY_LOW; wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity); wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR); wlcore_enable_interrupts(wl); wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); wl1271_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL); } static int wl12xx_boot(struct wl1271 *wl) { int ret; ret = wl12xx_pre_boot(wl); if (ret < 0) goto out; ret = wlcore_boot_upload_nvs(wl); if (ret < 0) goto out; wl12xx_pre_upload(wl); ret = wlcore_boot_upload_firmware(wl); if (ret < 0) goto out; ret = wlcore_boot_run_firmware(wl); if (ret < 0) goto out; wl12xx_enable_interrupts(wl); out: return ret; } static void wl12xx_trigger_cmd(struct wl1271 *wl) { wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD); } static void wl12xx_ack_event(struct wl1271 *wl) { wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_EVENT_ACK); } static u32 wl12xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks) { u32 blk_size = WL12XX_TX_HW_BLOCK_SIZE; u32 align_len = wlcore_calc_packet_alignment(wl, len); return (align_len + blk_size - 1) / blk_size + spare_blks; } static void wl12xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, u32 blks, u32 spare_blks) { if (wl->chip.id == CHIP_ID_1283_PG20) { desc->wl128x_mem.total_mem_blocks = blks; } else { desc->wl127x_mem.extra_blocks = spare_blks; desc->wl127x_mem.total_mem_blocks = blks; } } static void wl12xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, struct sk_buff *skb) { u32 aligned_len = wlcore_calc_packet_alignment(wl, skb->len); if (wl->chip.id == CHIP_ID_1283_PG20) { desc->wl128x_mem.extra_bytes = aligned_len - skb->len; desc->length = cpu_to_le16(aligned_len >> 2); wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d len: %d life: %d mem: %d extra: %d", desc->hlid, le16_to_cpu(desc->length), le16_to_cpu(desc->life_time), desc->wl128x_mem.total_mem_blocks, desc->wl128x_mem.extra_bytes); } else { /* calculate number of padding bytes */ int pad = aligned_len - skb->len; desc->tx_attr |= cpu_to_le16(pad << TX_HW_ATTR_OFST_LAST_WORD_PAD); /* Store the aligned length in terms of words */ desc->length = cpu_to_le16(aligned_len >> 2); wl1271_debug(DEBUG_TX, "tx_fill_hdr: pad: %d hlid: %d len: %d life: %d mem: %d", pad, desc->hlid, le16_to_cpu(desc->length), le16_to_cpu(desc->life_time), desc->wl127x_mem.total_mem_blocks); } } static enum wl_rx_buf_align wl12xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc) { if (rx_desc & RX_BUF_UNALIGNED_PAYLOAD) return WLCORE_RX_BUF_UNALIGNED; return WLCORE_RX_BUF_ALIGNED; } static u32 wl12xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data, u32 data_len) { struct wl1271_rx_descriptor *desc = rx_data; /* invalid packet */ if (data_len < sizeof(*desc) || data_len < sizeof(*desc) + desc->pad_len) return 0; return data_len - sizeof(*desc) - desc->pad_len; } static void wl12xx_tx_delayed_compl(struct wl1271 *wl) { if (wl->fw_status->tx_results_counter == (wl->tx_results_count & 0xff)) return; wl1271_tx_complete(wl); } static int wl12xx_hw_init(struct wl1271 *wl) { int ret; if (wl->chip.id == CHIP_ID_1283_PG20) { u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE; ret = wl128x_cmd_general_parms(wl); if (ret < 0) goto out; ret = wl128x_cmd_radio_parms(wl); if (ret < 0) goto out; if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) /* Enable SDIO padding */ host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK; /* Must be before wl1271_acx_init_mem_config() */ ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap); if (ret < 0) goto out; } else { ret = wl1271_cmd_general_parms(wl); if (ret < 0) goto out; ret = wl1271_cmd_radio_parms(wl); if (ret < 0) goto out; ret = wl1271_cmd_ext_radio_parms(wl); if (ret < 0) goto out; } out: return ret; } static bool wl12xx_mac_in_fuse(struct wl1271 *wl) { bool supported = false; u8 major, minor; if (wl->chip.id == CHIP_ID_1283_PG20) { major = WL128X_PG_GET_MAJOR(wl->hw_pg_ver); minor = WL128X_PG_GET_MINOR(wl->hw_pg_ver); /* in wl128x we have the MAC address if the PG is >= (2, 1) */ if (major > 2 || (major == 2 && minor >= 1)) supported = true; } else { major = WL127X_PG_GET_MAJOR(wl->hw_pg_ver); minor = WL127X_PG_GET_MINOR(wl->hw_pg_ver); /* in wl127x we have the MAC address if the PG is >= (3, 1) */ if (major == 3 && minor >= 1) supported = true; } wl1271_debug(DEBUG_PROBE, "PG Ver major = %d minor = %d, MAC %s present", major, minor, supported ? "is" : "is not"); return supported; } static void wl12xx_get_fuse_mac(struct wl1271 *wl) { u32 mac1, mac2; wlcore_set_partition(wl, &wl->ptable[PART_DRPW]); mac1 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_1); mac2 = wl1271_read32(wl, WL12XX_REG_FUSE_BD_ADDR_2); /* these are the two parts of the BD_ADDR */ wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) + ((mac1 & 0xff000000) >> 24); wl->fuse_nic_addr = mac1 & 0xffffff; wlcore_set_partition(wl, &wl->ptable[PART_DOWN]); } static s8 wl12xx_get_pg_ver(struct wl1271 *wl) { u32 die_info; if (wl->chip.id == CHIP_ID_1283_PG20) die_info = wl12xx_top_reg_read(wl, WL128X_REG_FUSE_DATA_2_1); else die_info = wl12xx_top_reg_read(wl, WL127X_REG_FUSE_DATA_2_1); return (s8) (die_info & PG_VER_MASK) >> PG_VER_OFFSET; } static void wl12xx_get_mac(struct wl1271 *wl) { if (wl12xx_mac_in_fuse(wl)) wl12xx_get_fuse_mac(wl); } static struct wlcore_ops wl12xx_ops = { .identify_chip = wl12xx_identify_chip, .boot = wl12xx_boot, .trigger_cmd = wl12xx_trigger_cmd, .ack_event = wl12xx_ack_event, .calc_tx_blocks = wl12xx_calc_tx_blocks, .set_tx_desc_blocks = wl12xx_set_tx_desc_blocks, .set_tx_desc_data_len = wl12xx_set_tx_desc_data_len, .get_rx_buf_align = wl12xx_get_rx_buf_align, .get_rx_packet_len = wl12xx_get_rx_packet_len, .tx_immediate_compl = NULL, .tx_delayed_compl = wl12xx_tx_delayed_compl, .hw_init = wl12xx_hw_init, .init_vif = NULL, .get_pg_ver = wl12xx_get_pg_ver, .get_mac = wl12xx_get_mac, }; struct wl12xx_priv { }; static int __devinit wl12xx_probe(struct platform_device *pdev) { struct wl1271 *wl; struct ieee80211_hw *hw; struct wl12xx_priv *priv; hw = wlcore_alloc_hw(sizeof(*priv)); if (IS_ERR(hw)) { wl1271_error("can't allocate hw"); return PTR_ERR(hw); } wl = hw->priv; wl->ops = &wl12xx_ops; wl->ptable = wl12xx_ptable; wl->rtable = wl12xx_rtable; wl->num_tx_desc = 16; wl->normal_tx_spare = WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; wl->gem_tx_spare = WL12XX_TX_HW_BLOCK_GEM_SPARE; wl->band_rate_to_idx = wl12xx_band_rate_to_idx; wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX; wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0; return wlcore_probe(wl, pdev); } static const struct platform_device_id wl12xx_id_table[] __devinitconst = { { "wl12xx", 0 }, { } /* Terminating Entry */ }; MODULE_DEVICE_TABLE(platform, wl12xx_id_table); static struct platform_driver wl12xx_driver = { .probe = wl12xx_probe, .remove = __devexit_p(wlcore_remove), .id_table = wl12xx_id_table, .driver = { .name = "wl12xx_driver", .owner = THIS_MODULE, } }; static int __init wl12xx_init(void) { return platform_driver_register(&wl12xx_driver); } module_init(wl12xx_init); static void __exit wl12xx_exit(void) { platform_driver_unregister(&wl12xx_driver); } module_exit(wl12xx_exit); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE); MODULE_FIRMWARE(WL127X_FW_NAME_MULTI); MODULE_FIRMWARE(WL127X_PLT_FW_NAME); MODULE_FIRMWARE(WL128X_FW_NAME_SINGLE); MODULE_FIRMWARE(WL128X_FW_NAME_MULTI); MODULE_FIRMWARE(WL128X_PLT_FW_NAME);