| // SPDX-License-Identifier: ISC |
| /* Copyright (C) 2020 MediaTek Inc. */ |
| |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/pci.h> |
| |
| #include "mt7915.h" |
| #include "mac.h" |
| #include "../trace.h" |
| |
| static const u32 mt7915_reg[] = { |
| [INT_SOURCE_CSR] = 0xd7010, |
| [INT_MASK_CSR] = 0xd7014, |
| [INT1_SOURCE_CSR] = 0xd7088, |
| [INT1_MASK_CSR] = 0xd708c, |
| [INT_MCU_CMD_SOURCE] = 0xd51f0, |
| [INT_MCU_CMD_EVENT] = 0x3108, |
| }; |
| |
| static const u32 mt7916_reg[] = { |
| [INT_SOURCE_CSR] = 0xd4200, |
| [INT_MASK_CSR] = 0xd4204, |
| [INT1_SOURCE_CSR] = 0xd8200, |
| [INT1_MASK_CSR] = 0xd8204, |
| [INT_MCU_CMD_SOURCE] = 0xd41f0, |
| [INT_MCU_CMD_EVENT] = 0x2108, |
| }; |
| |
| static const u32 mt7915_offs[] = { |
| [TMAC_CDTR] = 0x090, |
| [TMAC_ODTR] = 0x094, |
| [TMAC_ATCR] = 0x098, |
| [TMAC_TRCR0] = 0x09c, |
| [TMAC_ICR0] = 0x0a4, |
| [TMAC_ICR1] = 0x0b4, |
| [TMAC_CTCR0] = 0x0f4, |
| [TMAC_TFCR0] = 0x1e0, |
| [MDP_BNRCFR0] = 0x070, |
| [MDP_BNRCFR1] = 0x074, |
| [ARB_DRNGR0] = 0x194, |
| [ARB_SCR] = 0x080, |
| [RMAC_MIB_AIRTIME14] = 0x3b8, |
| [AGG_AWSCR0] = 0x05c, |
| [AGG_PCR0] = 0x06c, |
| [AGG_ACR0] = 0x084, |
| [AGG_MRCR] = 0x098, |
| [AGG_ATCR1] = 0x0f0, |
| [AGG_ATCR3] = 0x0f4, |
| [LPON_UTTR0] = 0x080, |
| [LPON_UTTR1] = 0x084, |
| [LPON_FRCR] = 0x314, |
| [MIB_SDR3] = 0x014, |
| [MIB_SDR4] = 0x018, |
| [MIB_SDR5] = 0x01c, |
| [MIB_SDR7] = 0x024, |
| [MIB_SDR8] = 0x028, |
| [MIB_SDR9] = 0x02c, |
| [MIB_SDR10] = 0x030, |
| [MIB_SDR11] = 0x034, |
| [MIB_SDR12] = 0x038, |
| [MIB_SDR13] = 0x03c, |
| [MIB_SDR14] = 0x040, |
| [MIB_SDR15] = 0x044, |
| [MIB_SDR16] = 0x048, |
| [MIB_SDR17] = 0x04c, |
| [MIB_SDR18] = 0x050, |
| [MIB_SDR19] = 0x054, |
| [MIB_SDR20] = 0x058, |
| [MIB_SDR21] = 0x05c, |
| [MIB_SDR22] = 0x060, |
| [MIB_SDR23] = 0x064, |
| [MIB_SDR24] = 0x068, |
| [MIB_SDR25] = 0x06c, |
| [MIB_SDR27] = 0x074, |
| [MIB_SDR28] = 0x078, |
| [MIB_SDR29] = 0x07c, |
| [MIB_SDRVEC] = 0x080, |
| [MIB_SDR31] = 0x084, |
| [MIB_SDR32] = 0x088, |
| [MIB_SDRMUBF] = 0x090, |
| [MIB_DR8] = 0x0c0, |
| [MIB_DR9] = 0x0c4, |
| [MIB_DR11] = 0x0cc, |
| [MIB_MB_SDR0] = 0x100, |
| [MIB_MB_SDR1] = 0x104, |
| [TX_AGG_CNT] = 0x0a8, |
| [TX_AGG_CNT2] = 0x164, |
| [MIB_ARNG] = 0x4b8, |
| [WTBLON_TOP_WDUCR] = 0x0, |
| [WTBL_UPDATE] = 0x030, |
| [PLE_FL_Q_EMPTY] = 0x0b0, |
| [PLE_FL_Q_CTRL] = 0x1b0, |
| [PLE_AC_QEMPTY] = 0x500, |
| [PLE_FREEPG_CNT] = 0x100, |
| [PLE_FREEPG_HEAD_TAIL] = 0x104, |
| [PLE_PG_HIF_GROUP] = 0x110, |
| [PLE_HIF_PG_INFO] = 0x114, |
| [AC_OFFSET] = 0x040, |
| }; |
| |
| static const u32 mt7916_offs[] = { |
| [TMAC_CDTR] = 0x0c8, |
| [TMAC_ODTR] = 0x0cc, |
| [TMAC_ATCR] = 0x00c, |
| [TMAC_TRCR0] = 0x010, |
| [TMAC_ICR0] = 0x014, |
| [TMAC_ICR1] = 0x018, |
| [TMAC_CTCR0] = 0x114, |
| [TMAC_TFCR0] = 0x0e4, |
| [MDP_BNRCFR0] = 0x090, |
| [MDP_BNRCFR1] = 0x094, |
| [ARB_DRNGR0] = 0x1e0, |
| [ARB_SCR] = 0x000, |
| [RMAC_MIB_AIRTIME14] = 0x0398, |
| [AGG_AWSCR0] = 0x030, |
| [AGG_PCR0] = 0x040, |
| [AGG_ACR0] = 0x054, |
| [AGG_MRCR] = 0x068, |
| [AGG_ATCR1] = 0x1a8, |
| [AGG_ATCR3] = 0x080, |
| [LPON_UTTR0] = 0x360, |
| [LPON_UTTR1] = 0x364, |
| [LPON_FRCR] = 0x37c, |
| [MIB_SDR3] = 0x698, |
| [MIB_SDR4] = 0x788, |
| [MIB_SDR5] = 0x780, |
| [MIB_SDR7] = 0x5a8, |
| [MIB_SDR8] = 0x78c, |
| [MIB_SDR9] = 0x024, |
| [MIB_SDR10] = 0x76c, |
| [MIB_SDR11] = 0x790, |
| [MIB_SDR12] = 0x558, |
| [MIB_SDR13] = 0x560, |
| [MIB_SDR14] = 0x564, |
| [MIB_SDR15] = 0x568, |
| [MIB_SDR16] = 0x7fc, |
| [MIB_SDR17] = 0x800, |
| [MIB_SDR18] = 0x030, |
| [MIB_SDR19] = 0x5ac, |
| [MIB_SDR20] = 0x5b0, |
| [MIB_SDR21] = 0x5b4, |
| [MIB_SDR22] = 0x770, |
| [MIB_SDR23] = 0x774, |
| [MIB_SDR24] = 0x778, |
| [MIB_SDR25] = 0x77c, |
| [MIB_SDR27] = 0x080, |
| [MIB_SDR28] = 0x084, |
| [MIB_SDR29] = 0x650, |
| [MIB_SDRVEC] = 0x5a8, |
| [MIB_SDR31] = 0x55c, |
| [MIB_SDR32] = 0x7a8, |
| [MIB_SDRMUBF] = 0x7ac, |
| [MIB_DR8] = 0x56c, |
| [MIB_DR9] = 0x570, |
| [MIB_DR11] = 0x574, |
| [MIB_MB_SDR0] = 0x688, |
| [MIB_MB_SDR1] = 0x690, |
| [TX_AGG_CNT] = 0x7dc, |
| [TX_AGG_CNT2] = 0x7ec, |
| [MIB_ARNG] = 0x0b0, |
| [WTBLON_TOP_WDUCR] = 0x200, |
| [WTBL_UPDATE] = 0x230, |
| [PLE_FL_Q_EMPTY] = 0x360, |
| [PLE_FL_Q_CTRL] = 0x3e0, |
| [PLE_AC_QEMPTY] = 0x600, |
| [PLE_FREEPG_CNT] = 0x380, |
| [PLE_FREEPG_HEAD_TAIL] = 0x384, |
| [PLE_PG_HIF_GROUP] = 0x00c, |
| [PLE_HIF_PG_INFO] = 0x388, |
| [AC_OFFSET] = 0x080, |
| }; |
| |
| static const struct __map mt7915_reg_map[] = { |
| { 0x00400000, 0x80000, 0x10000 }, /* WF_MCU_SYSRAM */ |
| { 0x00410000, 0x90000, 0x10000 }, /* WF_MCU_SYSRAM (configure regs) */ |
| { 0x40000000, 0x70000, 0x10000 }, /* WF_UMAC_SYSRAM */ |
| { 0x54000000, 0x02000, 0x1000 }, /* WFDMA PCIE0 MCU DMA0 */ |
| { 0x55000000, 0x03000, 0x1000 }, /* WFDMA PCIE0 MCU DMA1 */ |
| { 0x58000000, 0x06000, 0x1000 }, /* WFDMA PCIE1 MCU DMA0 (MEM_DMA) */ |
| { 0x59000000, 0x07000, 0x1000 }, /* WFDMA PCIE1 MCU DMA1 */ |
| { 0x7c000000, 0xf0000, 0x10000 }, /* CONN_INFRA */ |
| { 0x7c020000, 0xd0000, 0x10000 }, /* CONN_INFRA, WFDMA */ |
| { 0x80020000, 0xb0000, 0x10000 }, /* WF_TOP_MISC_OFF */ |
| { 0x81020000, 0xc0000, 0x10000 }, /* WF_TOP_MISC_ON */ |
| { 0x820c0000, 0x08000, 0x4000 }, /* WF_UMAC_TOP (PLE) */ |
| { 0x820c8000, 0x0c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */ |
| { 0x820cc000, 0x0e000, 0x2000 }, /* WF_UMAC_TOP (PP) */ |
| { 0x820ce000, 0x21c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */ |
| { 0x820cf000, 0x22000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */ |
| { 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */ |
| { 0x820e0000, 0x20000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */ |
| { 0x820e1000, 0x20400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */ |
| { 0x820e2000, 0x20800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */ |
| { 0x820e3000, 0x20c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */ |
| { 0x820e4000, 0x21000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */ |
| { 0x820e5000, 0x21400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */ |
| { 0x820e7000, 0x21e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */ |
| { 0x820e9000, 0x23400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */ |
| { 0x820ea000, 0x24000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */ |
| { 0x820eb000, 0x24200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */ |
| { 0x820ec000, 0x24600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */ |
| { 0x820ed000, 0x24800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */ |
| { 0x820f0000, 0xa0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */ |
| { 0x820f1000, 0xa0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */ |
| { 0x820f2000, 0xa0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */ |
| { 0x820f3000, 0xa0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */ |
| { 0x820f4000, 0xa1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */ |
| { 0x820f5000, 0xa1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */ |
| { 0x820f7000, 0xa1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */ |
| { 0x820f9000, 0xa3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */ |
| { 0x820fa000, 0xa4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */ |
| { 0x820fb000, 0xa4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */ |
| { 0x820fc000, 0xa4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */ |
| { 0x820fd000, 0xa4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */ |
| { 0x0, 0x0, 0x0 }, /* imply end of search */ |
| }; |
| |
| static const struct __map mt7916_reg_map[] = { |
| { 0x54000000, 0x02000, 0x1000 }, /* WFDMA_0 (PCIE0 MCU DMA0) */ |
| { 0x55000000, 0x03000, 0x1000 }, /* WFDMA_1 (PCIE0 MCU DMA1) */ |
| { 0x56000000, 0x04000, 0x1000 }, /* WFDMA_2 (Reserved) */ |
| { 0x57000000, 0x05000, 0x1000 }, /* WFDMA_3 (MCU wrap CR) */ |
| { 0x58000000, 0x06000, 0x1000 }, /* WFDMA_4 (PCIE1 MCU DMA0) */ |
| { 0x59000000, 0x07000, 0x1000 }, /* WFDMA_5 (PCIE1 MCU DMA1) */ |
| { 0x820c0000, 0x08000, 0x4000 }, /* WF_UMAC_TOP (PLE) */ |
| { 0x820c8000, 0x0c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */ |
| { 0x820cc000, 0x0e000, 0x2000 }, /* WF_UMAC_TOP (PP) */ |
| { 0x820e0000, 0x20000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */ |
| { 0x820e1000, 0x20400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */ |
| { 0x820e2000, 0x20800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */ |
| { 0x820e3000, 0x20c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */ |
| { 0x820e4000, 0x21000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */ |
| { 0x820e5000, 0x21400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */ |
| { 0x820ce000, 0x21c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */ |
| { 0x820e7000, 0x21e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */ |
| { 0x820cf000, 0x22000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */ |
| { 0x820e9000, 0x23400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */ |
| { 0x820ea000, 0x24000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */ |
| { 0x820eb000, 0x24200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */ |
| { 0x820ec000, 0x24600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */ |
| { 0x820ed000, 0x24800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */ |
| { 0x820ca000, 0x26000, 0x2000 }, /* WF_LMAC_TOP BN0 (WF_MUCOP) */ |
| { 0x820d0000, 0x30000, 0x10000}, /* WF_LMAC_TOP (WF_WTBLON) */ |
| { 0x00400000, 0x80000, 0x10000}, /* WF_MCU_SYSRAM */ |
| { 0x00410000, 0x90000, 0x10000}, /* WF_MCU_SYSRAM (configure cr) */ |
| { 0x820f0000, 0xa0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */ |
| { 0x820f1000, 0xa0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */ |
| { 0x820f2000, 0xa0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */ |
| { 0x820f3000, 0xa0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */ |
| { 0x820f4000, 0xa1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */ |
| { 0x820f5000, 0xa1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */ |
| { 0x820f7000, 0xa1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */ |
| { 0x820f9000, 0xa3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */ |
| { 0x820fa000, 0xa4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */ |
| { 0x820fb000, 0xa4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */ |
| { 0x820fc000, 0xa4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */ |
| { 0x820fd000, 0xa4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */ |
| { 0x820c4000, 0xa8000, 0x1000 }, /* WF_LMAC_TOP (WF_UWTBL ) */ |
| { 0x820b0000, 0xae000, 0x1000 }, /* [APB2] WFSYS_ON */ |
| { 0x80020000, 0xb0000, 0x10000}, /* WF_TOP_MISC_OFF */ |
| { 0x81020000, 0xc0000, 0x10000}, /* WF_TOP_MISC_ON */ |
| { 0x0, 0x0, 0x0 }, /* imply end of search */ |
| }; |
| |
| static u32 mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr) |
| { |
| u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr); |
| u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr); |
| u32 l1_remap = is_mt7915(&dev->mt76) ? |
| MT_HIF_REMAP_L1 : MT_HIF_REMAP_L1_MT7916; |
| |
| dev->bus_ops->rmw(&dev->mt76, l1_remap, |
| MT_HIF_REMAP_L1_MASK, |
| FIELD_PREP(MT_HIF_REMAP_L1_MASK, base)); |
| /* use read to push write */ |
| dev->bus_ops->rr(&dev->mt76, l1_remap); |
| |
| return MT_HIF_REMAP_BASE_L1 + offset; |
| } |
| |
| static u32 mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr) |
| { |
| u32 offset, base; |
| |
| if (is_mt7915(&dev->mt76)) { |
| offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr); |
| base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr); |
| |
| dev->bus_ops->rmw(&dev->mt76, MT_HIF_REMAP_L2, |
| MT_HIF_REMAP_L2_MASK, |
| FIELD_PREP(MT_HIF_REMAP_L2_MASK, base)); |
| |
| /* use read to push write */ |
| dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L2); |
| } else { |
| offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET_MT7916, addr); |
| base = FIELD_GET(MT_HIF_REMAP_L2_BASE_MT7916, addr); |
| |
| dev->bus_ops->rmw(&dev->mt76, MT_HIF_REMAP_L2_MT7916, |
| MT_HIF_REMAP_L2_MASK_MT7916, |
| FIELD_PREP(MT_HIF_REMAP_L2_MASK_MT7916, base)); |
| |
| /* use read to push write */ |
| dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L2_MT7916); |
| |
| offset += MT_HIF_REMAP_BASE_L2_MT7916; |
| } |
| |
| return offset; |
| } |
| |
| static u32 __mt7915_reg_addr(struct mt7915_dev *dev, u32 addr) |
| { |
| int i; |
| |
| if (addr < 0x100000) |
| return addr; |
| |
| if (!dev->reg.map) { |
| dev_err(dev->mt76.dev, "err: reg_map is null\n"); |
| return addr; |
| } |
| |
| for (i = 0; i < dev->reg.map_size; i++) { |
| u32 ofs; |
| |
| if (addr < dev->reg.map[i].phys) |
| continue; |
| |
| ofs = addr - dev->reg.map[i].phys; |
| if (ofs > dev->reg.map[i].size) |
| continue; |
| |
| return dev->reg.map[i].maps + ofs; |
| } |
| |
| if ((addr >= MT_INFRA_BASE && addr < MT_WFSYS0_PHY_START) || |
| (addr >= MT_WFSYS0_PHY_START && addr < MT_WFSYS1_PHY_START) || |
| (addr >= MT_WFSYS1_PHY_START && addr <= MT_WFSYS1_PHY_END) || |
| (addr >= MT_CBTOP1_PHY_START && addr <= MT_CBTOP1_PHY_END) || |
| (addr >= MT_CBTOP2_PHY_START && addr <= MT_CBTOP2_PHY_END)) |
| return mt7915_reg_map_l1(dev, addr); |
| |
| return mt7915_reg_map_l2(dev, addr); |
| } |
| |
| static u32 mt7915_rr(struct mt76_dev *mdev, u32 offset) |
| { |
| struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); |
| u32 addr = __mt7915_reg_addr(dev, offset); |
| |
| return dev->bus_ops->rr(mdev, addr); |
| } |
| |
| static void mt7915_wr(struct mt76_dev *mdev, u32 offset, u32 val) |
| { |
| struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); |
| u32 addr = __mt7915_reg_addr(dev, offset); |
| |
| dev->bus_ops->wr(mdev, addr, val); |
| } |
| |
| static u32 mt7915_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) |
| { |
| struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); |
| u32 addr = __mt7915_reg_addr(dev, offset); |
| |
| return dev->bus_ops->rmw(mdev, addr, mask, val); |
| } |
| |
| static int mt7915_mmio_init(struct mt76_dev *mdev, |
| void __iomem *mem_base, |
| u32 device_id) |
| { |
| struct mt76_bus_ops *bus_ops; |
| struct mt7915_dev *dev; |
| |
| dev = container_of(mdev, struct mt7915_dev, mt76); |
| mt76_mmio_init(&dev->mt76, mem_base); |
| |
| switch (device_id) { |
| case 0x7915: |
| dev->reg.reg_rev = mt7915_reg; |
| dev->reg.offs_rev = mt7915_offs; |
| dev->reg.map = mt7915_reg_map; |
| dev->reg.map_size = ARRAY_SIZE(mt7915_reg_map); |
| break; |
| case 0x7906: |
| dev->reg.reg_rev = mt7916_reg; |
| dev->reg.offs_rev = mt7916_offs; |
| dev->reg.map = mt7916_reg_map; |
| dev->reg.map_size = ARRAY_SIZE(mt7916_reg_map); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| dev->bus_ops = dev->mt76.bus; |
| bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops), |
| GFP_KERNEL); |
| if (!bus_ops) |
| return -ENOMEM; |
| |
| bus_ops->rr = mt7915_rr; |
| bus_ops->wr = mt7915_wr; |
| bus_ops->rmw = mt7915_rmw; |
| dev->mt76.bus = bus_ops; |
| |
| mdev->rev = (device_id << 16) | |
| (mt76_rr(dev, MT_HW_REV) & 0xff); |
| dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev); |
| |
| return 0; |
| } |
| |
| void mt7915_dual_hif_set_irq_mask(struct mt7915_dev *dev, |
| bool write_reg, |
| u32 clear, u32 set) |
| { |
| struct mt76_dev *mdev = &dev->mt76; |
| unsigned long flags; |
| |
| spin_lock_irqsave(&mdev->mmio.irq_lock, flags); |
| |
| mdev->mmio.irqmask &= ~clear; |
| mdev->mmio.irqmask |= set; |
| |
| if (write_reg) { |
| mt76_wr(dev, MT_INT_MASK_CSR, mdev->mmio.irqmask); |
| mt76_wr(dev, MT_INT1_MASK_CSR, mdev->mmio.irqmask); |
| } |
| |
| spin_unlock_irqrestore(&mdev->mmio.irq_lock, flags); |
| } |
| |
| static void mt7915_rx_poll_complete(struct mt76_dev *mdev, |
| enum mt76_rxq_id q) |
| { |
| struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76); |
| |
| mt7915_irq_enable(dev, MT_INT_RX(q)); |
| } |
| |
| /* TODO: support 2/4/6/8 MSI-X vectors */ |
| static void mt7915_irq_tasklet(struct tasklet_struct *t) |
| { |
| struct mt7915_dev *dev = from_tasklet(dev, t, irq_tasklet); |
| u32 intr, intr1, mask; |
| |
| mt76_wr(dev, MT_INT_MASK_CSR, 0); |
| if (dev->hif2) |
| mt76_wr(dev, MT_INT1_MASK_CSR, 0); |
| |
| intr = mt76_rr(dev, MT_INT_SOURCE_CSR); |
| intr &= dev->mt76.mmio.irqmask; |
| mt76_wr(dev, MT_INT_SOURCE_CSR, intr); |
| |
| if (dev->hif2) { |
| intr1 = mt76_rr(dev, MT_INT1_SOURCE_CSR); |
| intr1 &= dev->mt76.mmio.irqmask; |
| mt76_wr(dev, MT_INT1_SOURCE_CSR, intr1); |
| |
| intr |= intr1; |
| } |
| |
| trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask); |
| |
| mask = intr & MT_INT_RX_DONE_ALL; |
| if (intr & MT_INT_TX_DONE_MCU) |
| mask |= MT_INT_TX_DONE_MCU; |
| |
| mt7915_irq_disable(dev, mask); |
| |
| if (intr & MT_INT_TX_DONE_MCU) |
| napi_schedule(&dev->mt76.tx_napi); |
| |
| if (intr & MT_INT_RX(MT_RXQ_MAIN)) |
| napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]); |
| |
| if (intr & MT_INT_RX(MT_RXQ_EXT)) |
| napi_schedule(&dev->mt76.napi[MT_RXQ_EXT]); |
| |
| if (intr & MT_INT_RX(MT_RXQ_MCU)) |
| napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]); |
| |
| if (intr & MT_INT_RX(MT_RXQ_MCU_WA)) |
| napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]); |
| |
| if (!is_mt7915(&dev->mt76) && |
| (intr & MT_INT_RX(MT_RXQ_MAIN_WA))) |
| napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN_WA]); |
| |
| if (intr & MT_INT_RX(MT_RXQ_EXT_WA)) |
| napi_schedule(&dev->mt76.napi[MT_RXQ_EXT_WA]); |
| |
| if (intr & MT_INT_MCU_CMD) { |
| u32 val = mt76_rr(dev, MT_MCU_CMD); |
| |
| mt76_wr(dev, MT_MCU_CMD, val); |
| if (val & MT_MCU_CMD_ERROR_MASK) { |
| dev->reset_state = val; |
| ieee80211_queue_work(mt76_hw(dev), &dev->reset_work); |
| wake_up(&dev->reset_wait); |
| } |
| } |
| } |
| |
| irqreturn_t mt7915_irq_handler(int irq, void *dev_instance) |
| { |
| struct mt7915_dev *dev = dev_instance; |
| |
| mt76_wr(dev, MT_INT_MASK_CSR, 0); |
| if (dev->hif2) |
| mt76_wr(dev, MT_INT1_MASK_CSR, 0); |
| |
| if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state)) |
| return IRQ_NONE; |
| |
| tasklet_schedule(&dev->irq_tasklet); |
| |
| return IRQ_HANDLED; |
| } |
| |
| struct mt7915_dev *mt7915_mmio_probe(struct device *pdev, |
| void __iomem *mem_base, u32 device_id) |
| { |
| static const struct mt76_driver_ops drv_ops = { |
| /* txwi_size = txd size + txp size */ |
| .txwi_size = MT_TXD_SIZE + sizeof(struct mt7915_txp), |
| .drv_flags = MT_DRV_TXWI_NO_FREE | MT_DRV_HW_MGMT_TXQ, |
| .survey_flags = SURVEY_INFO_TIME_TX | |
| SURVEY_INFO_TIME_RX | |
| SURVEY_INFO_TIME_BSS_RX, |
| .token_size = MT7915_TOKEN_SIZE, |
| .tx_prepare_skb = mt7915_tx_prepare_skb, |
| .tx_complete_skb = mt7915_tx_complete_skb, |
| .rx_skb = mt7915_queue_rx_skb, |
| .rx_check = mt7915_rx_check, |
| .rx_poll_complete = mt7915_rx_poll_complete, |
| .sta_ps = mt7915_sta_ps, |
| .sta_add = mt7915_mac_sta_add, |
| .sta_remove = mt7915_mac_sta_remove, |
| .update_survey = mt7915_update_channel, |
| }; |
| struct ieee80211_ops *ops; |
| struct mt7915_dev *dev; |
| struct mt76_dev *mdev; |
| int ret; |
| |
| ops = devm_kmemdup(pdev, &mt7915_ops, sizeof(mt7915_ops), GFP_KERNEL); |
| if (!ops) |
| return ERR_PTR(-ENOMEM); |
| |
| mdev = mt76_alloc_device(pdev, sizeof(*dev), ops, &drv_ops); |
| if (!mdev) |
| return ERR_PTR(-ENOMEM); |
| |
| dev = container_of(mdev, struct mt7915_dev, mt76); |
| |
| ret = mt7915_mmio_init(mdev, mem_base, device_id); |
| if (ret) |
| goto error; |
| |
| tasklet_setup(&dev->irq_tasklet, mt7915_irq_tasklet); |
| |
| mt76_wr(dev, MT_INT_MASK_CSR, 0); |
| |
| return dev; |
| |
| error: |
| mt76_free_device(&dev->mt76); |
| |
| return ERR_PTR(ret); |
| } |
| |
| static int __init mt7915_init(void) |
| { |
| int ret; |
| |
| ret = pci_register_driver(&mt7915_hif_driver); |
| if (ret) |
| return ret; |
| |
| ret = pci_register_driver(&mt7915_pci_driver); |
| if (ret) |
| pci_unregister_driver(&mt7915_hif_driver); |
| |
| return ret; |
| } |
| |
| static void __exit mt7915_exit(void) |
| { |
| pci_unregister_driver(&mt7915_pci_driver); |
| pci_unregister_driver(&mt7915_hif_driver); |
| } |
| |
| module_init(mt7915_init); |
| module_exit(mt7915_exit); |
| MODULE_LICENSE("Dual BSD/GPL"); |
