| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Eugene Krasnikov | 599 | 63.25% | 1 | 9.09% |
| Ramon Fried | 324 | 34.21% | 3 | 27.27% |
| Vladimir Lypak | 8 | 0.84% | 1 | 9.09% |
| Björn Andersson | 5 | 0.53% | 2 | 18.18% |
| Bob Copeland | 4 | 0.42% | 1 | 9.09% |
| Loic Poulain | 3 | 0.32% | 1 | 9.09% |
| Benjamin Li | 2 | 0.21% | 1 | 9.09% |
| Pontus Fuchs | 2 | 0.21% | 1 | 9.09% |
| Total | 947 | 11 |
/* * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _DXE_H_ #define _DXE_H_ #include "wcn36xx.h" /* TX_LOW = DMA0 TX_HIGH = DMA4 RX_LOW = DMA1 RX_HIGH = DMA3 H2H_TEST_RX_TX = DMA2 */ /* DXE registers */ #define WCN36XX_DXE_MEM_REG 0 #define WCN36XX_CCU_DXE_INT_SELECT_RIVA 0x310 #define WCN36XX_CCU_DXE_INT_SELECT_PRONTO 0x10dc /* Descriptor valid */ #define WCN36xx_DXE_CTRL_VLD BIT(0) /* End of packet */ #define WCN36xx_DXE_CTRL_EOP BIT(3) /* BD handling bit */ #define WCN36xx_DXE_CTRL_BDH BIT(4) /* Source is a queue */ #define WCN36xx_DXE_CTRL_SIQ BIT(5) /* Destination is a queue */ #define WCN36xx_DXE_CTRL_DIQ BIT(6) /* Pointer address is a queue */ #define WCN36xx_DXE_CTRL_PIQ BIT(7) /* Release PDU when done */ #define WCN36xx_DXE_CTRL_PDU_REL BIT(8) /* STOP channel processing */ #define WCN36xx_DXE_CTRL_STOP BIT(16) /* INT on descriptor done */ #define WCN36xx_DXE_CTRL_INT BIT(17) /* Endian byte swap enable */ #define WCN36xx_DXE_CTRL_SWAP BIT(20) /* Master endianness */ #define WCN36xx_DXE_CTRL_ENDIANNESS BIT(21) /* Transfer type */ #define WCN36xx_DXE_CTRL_XTYPE_SHIFT 1 #define WCN36xx_DXE_CTRL_XTYPE_MASK GENMASK(2, WCN36xx_DXE_CTRL_XTYPE_SHIFT) #define WCN36xx_DXE_CTRL_XTYPE_SET(x) ((x) << WCN36xx_DXE_CTRL_XTYPE_SHIFT) /* BMU Threshold select */ #define WCN36xx_DXE_CTRL_BTHLD_SEL_SHIFT 9 #define WCN36xx_DXE_CTRL_BTHLD_SEL_MASK GENMASK(12, WCN36xx_DXE_CTRL_BTHLD_SEL_SHIFT) #define WCN36xx_DXE_CTRL_BTHLD_SEL_SET(x) ((x) << WCN36xx_DXE_CTRL_BTHLD_SEL_SHIFT) /* Priority */ #define WCN36xx_DXE_CTRL_PRIO_SHIFT 13 #define WCN36xx_DXE_CTRL_PRIO_MASK GENMASK(15, WCN36xx_DXE_CTRL_PRIO_SHIFT) #define WCN36xx_DXE_CTRL_PRIO_SET(x) ((x) << WCN36xx_DXE_CTRL_PRIO_SHIFT) /* BD Template index */ #define WCN36xx_DXE_CTRL_BDT_IDX_SHIFT 18 #define WCN36xx_DXE_CTRL_BDT_IDX_MASK GENMASK(19, WCN36xx_DXE_CTRL_BDT_IDX_SHIFT) #define WCN36xx_DXE_CTRL_BDT_IDX_SET(x) ((x) << WCN36xx_DXE_CTRL_BDT_IDX_SHIFT) /* Transfer types: */ /* Host to host */ #define WCN36xx_DXE_XTYPE_H2H (0) /* Host to BMU */ #define WCN36xx_DXE_XTYPE_H2B (2) /* BMU to host */ #define WCN36xx_DXE_XTYPE_B2H (3) #define WCN36XX_DXE_CTRL_TX_L (WCN36xx_DXE_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_H2B) | \ WCN36xx_DXE_CTRL_DIQ | WCN36xx_DXE_CTRL_BTHLD_SEL_SET(5) | \ WCN36xx_DXE_CTRL_PRIO_SET(4) | WCN36xx_DXE_CTRL_INT | \ WCN36xx_DXE_CTRL_SWAP | WCN36xx_DXE_CTRL_ENDIANNESS) #define WCN36XX_DXE_CTRL_TX_H (WCN36xx_DXE_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_H2B) | \ WCN36xx_DXE_CTRL_DIQ | WCN36xx_DXE_CTRL_BTHLD_SEL_SET(7) | \ WCN36xx_DXE_CTRL_PRIO_SET(6) | WCN36xx_DXE_CTRL_INT | \ WCN36xx_DXE_CTRL_SWAP | WCN36xx_DXE_CTRL_ENDIANNESS) #define WCN36XX_DXE_CTRL_RX_L (WCN36xx_DXE_CTRL_VLD | \ WCN36xx_DXE_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_B2H) | \ WCN36xx_DXE_CTRL_EOP | WCN36xx_DXE_CTRL_SIQ | \ WCN36xx_DXE_CTRL_PDU_REL | WCN36xx_DXE_CTRL_BTHLD_SEL_SET(6) | \ WCN36xx_DXE_CTRL_PRIO_SET(5) | WCN36xx_DXE_CTRL_INT | \ WCN36xx_DXE_CTRL_SWAP) #define WCN36XX_DXE_CTRL_RX_H (WCN36xx_DXE_CTRL_VLD | \ WCN36xx_DXE_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_B2H) | \ WCN36xx_DXE_CTRL_EOP | WCN36xx_DXE_CTRL_SIQ | \ WCN36xx_DXE_CTRL_PDU_REL | WCN36xx_DXE_CTRL_BTHLD_SEL_SET(8) | \ WCN36xx_DXE_CTRL_PRIO_SET(6) | WCN36xx_DXE_CTRL_INT | \ WCN36xx_DXE_CTRL_SWAP) #define WCN36XX_DXE_CTRL_TX_H_BD (WCN36xx_DXE_CTRL_VLD | \ WCN36xx_DXE_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_H2B) | \ WCN36xx_DXE_CTRL_DIQ | WCN36xx_DXE_CTRL_BTHLD_SEL_SET(7) | \ WCN36xx_DXE_CTRL_PRIO_SET(6) | WCN36xx_DXE_CTRL_SWAP | \ WCN36xx_DXE_CTRL_ENDIANNESS) #define WCN36XX_DXE_CTRL_TX_H_SKB (WCN36xx_DXE_CTRL_VLD | \ WCN36xx_DXE_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_H2B) | \ WCN36xx_DXE_CTRL_EOP | WCN36xx_DXE_CTRL_DIQ | \ WCN36xx_DXE_CTRL_BTHLD_SEL_SET(7) | WCN36xx_DXE_CTRL_PRIO_SET(6) | \ WCN36xx_DXE_CTRL_INT | WCN36xx_DXE_CTRL_SWAP | \ WCN36xx_DXE_CTRL_ENDIANNESS) #define WCN36XX_DXE_CTRL_TX_L_BD (WCN36xx_DXE_CTRL_VLD | \ WCN36xx_DXE_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_H2B) | \ WCN36xx_DXE_CTRL_DIQ | WCN36xx_DXE_CTRL_BTHLD_SEL_SET(5) | \ WCN36xx_DXE_CTRL_PRIO_SET(4) | WCN36xx_DXE_CTRL_SWAP | \ WCN36xx_DXE_CTRL_ENDIANNESS) #define WCN36XX_DXE_CTRL_TX_L_SKB (WCN36xx_DXE_CTRL_VLD | \ WCN36xx_DXE_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_H2B) | \ WCN36xx_DXE_CTRL_EOP | WCN36xx_DXE_CTRL_DIQ | \ WCN36xx_DXE_CTRL_BTHLD_SEL_SET(5) | WCN36xx_DXE_CTRL_PRIO_SET(4) | \ WCN36xx_DXE_CTRL_INT | WCN36xx_DXE_CTRL_SWAP | \ WCN36xx_DXE_CTRL_ENDIANNESS) /* TODO This must calculated properly but not hardcoded */ #define WCN36XX_DXE_WQ_TX_L(wcn) ((wcn)->is_pronto_v3 ? 0x6 : 0x17) #define WCN36XX_DXE_WQ_TX_H(wcn) ((wcn)->is_pronto_v3 ? 0x6 : 0x17) #define WCN36XX_DXE_WQ_RX_L 0xB #define WCN36XX_DXE_WQ_RX_H 0x4 /* Channel enable or restart */ #define WCN36xx_DXE_CH_CTRL_EN BIT(0) /* End of packet bit */ #define WCN36xx_DXE_CH_CTRL_EOP BIT(3) /* BD Handling bit */ #define WCN36xx_DXE_CH_CTRL_BDH BIT(4) /* Source is queue */ #define WCN36xx_DXE_CH_CTRL_SIQ BIT(5) /* Destination is queue */ #define WCN36xx_DXE_CH_CTRL_DIQ BIT(6) /* Pointer descriptor is queue */ #define WCN36xx_DXE_CH_CTRL_PIQ BIT(7) /* Relase PDU when done */ #define WCN36xx_DXE_CH_CTRL_PDU_REL BIT(8) /* Stop channel processing */ #define WCN36xx_DXE_CH_CTRL_STOP BIT(16) /* Enable external descriptor interrupt */ #define WCN36xx_DXE_CH_CTRL_INE_ED BIT(17) /* Enable channel interrupt on errors */ #define WCN36xx_DXE_CH_CTRL_INE_ERR BIT(18) /* Enable Channel interrupt when done */ #define WCN36xx_DXE_CH_CTRL_INE_DONE BIT(19) /* External descriptor enable */ #define WCN36xx_DXE_CH_CTRL_EDEN BIT(20) /* Wait for valid bit */ #define WCN36xx_DXE_CH_CTRL_EDVEN BIT(21) /* Endianness is little endian*/ #define WCN36xx_DXE_CH_CTRL_ENDIANNESS BIT(26) /* Abort transfer */ #define WCN36xx_DXE_CH_CTRL_ABORT BIT(27) /* Long descriptor format */ #define WCN36xx_DXE_CH_CTRL_DFMT BIT(28) /* Endian byte swap enable */ #define WCN36xx_DXE_CH_CTRL_SWAP BIT(31) /* Transfer type */ #define WCN36xx_DXE_CH_CTRL_XTYPE_SHIFT 1 #define WCN36xx_DXE_CH_CTRL_XTYPE_MASK GENMASK(2, WCN36xx_DXE_CH_CTRL_XTYPE_SHIFT) #define WCN36xx_DXE_CH_CTRL_XTYPE_SET(x) ((x) << WCN36xx_DXE_CH_CTRL_XTYPE_SHIFT) /* Channel BMU Threshold select */ #define WCN36xx_DXE_CH_CTRL_BTHLD_SEL_SHIFT 9 #define WCN36xx_DXE_CH_CTRL_BTHLD_SEL_MASK GENMASK(12, WCN36xx_DXE_CH_CTRL_BTHLD_SEL_SHIFT) #define WCN36xx_DXE_CH_CTRL_BTHLD_SEL_SET(x) ((x) << WCN36xx_DXE_CH_CTRL_BTHLD_SEL_SHIFT) /* Channel Priority */ #define WCN36xx_DXE_CH_CTRL_PRIO_SHIFT 13 #define WCN36xx_DXE_CH_CTRL_PRIO_MASK GENMASK(15, WCN36xx_DXE_CH_CTRL_PRIO_SHIFT) #define WCN36xx_DXE_CH_CTRL_PRIO_SET(x) ((x) << WCN36xx_DXE_CH_CTRL_PRIO_SHIFT) /* Counter select */ #define WCN36xx_DXE_CH_CTRL_SEL_SHIFT 22 #define WCN36xx_DXE_CH_CTRL_SEL_MASK GENMASK(25, WCN36xx_DXE_CH_CTRL_SEL_SHIFT) #define WCN36xx_DXE_CH_CTRL_SEL_SET(x) ((x) << WCN36xx_DXE_CH_CTRL_SEL_SHIFT) /* Channel BD template index */ #define WCN36xx_DXE_CH_CTRL_BDT_IDX_SHIFT 29 #define WCN36xx_DXE_CH_CTRL_BDT_IDX_MASK GENMASK(30, WCN36xx_DXE_CH_CTRL_BDT_IDX_SHIFT) #define WCN36xx_DXE_CH_CTRL_BDT_IDX_SET(x) ((x) << WCN36xx_DXE_CH_CTRL_BDT_IDX_SHIFT) /* DXE default control register values */ #define WCN36XX_DXE_CH_DEFAULT_CTL_RX_L (WCN36xx_DXE_CH_CTRL_EN | \ WCN36xx_DXE_CH_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_B2H) | \ WCN36xx_DXE_CH_CTRL_EOP | WCN36xx_DXE_CH_CTRL_SIQ | \ WCN36xx_DXE_CH_CTRL_PDU_REL | WCN36xx_DXE_CH_CTRL_BTHLD_SEL_SET(6) | \ WCN36xx_DXE_CH_CTRL_PRIO_SET(5) | WCN36xx_DXE_CH_CTRL_INE_ED | \ WCN36xx_DXE_CH_CTRL_INE_ERR | WCN36xx_DXE_CH_CTRL_INE_DONE | \ WCN36xx_DXE_CH_CTRL_EDEN | WCN36xx_DXE_CH_CTRL_EDVEN | \ WCN36xx_DXE_CH_CTRL_SEL_SET(1) | WCN36xx_DXE_CH_CTRL_ENDIANNESS | \ WCN36xx_DXE_CH_CTRL_SWAP) #define WCN36XX_DXE_CH_DEFAULT_CTL_RX_H (WCN36xx_DXE_CH_CTRL_EN | \ WCN36xx_DXE_CH_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_B2H) | \ WCN36xx_DXE_CH_CTRL_EOP | WCN36xx_DXE_CH_CTRL_SIQ | \ WCN36xx_DXE_CH_CTRL_PDU_REL | WCN36xx_DXE_CH_CTRL_BTHLD_SEL_SET(8) | \ WCN36xx_DXE_CH_CTRL_PRIO_SET(6) | WCN36xx_DXE_CH_CTRL_INE_ED | \ WCN36xx_DXE_CH_CTRL_INE_ERR | WCN36xx_DXE_CH_CTRL_INE_DONE | \ WCN36xx_DXE_CH_CTRL_EDEN | WCN36xx_DXE_CH_CTRL_EDVEN | \ WCN36xx_DXE_CH_CTRL_SEL_SET(3) | WCN36xx_DXE_CH_CTRL_ENDIANNESS | \ WCN36xx_DXE_CH_CTRL_SWAP) #define WCN36XX_DXE_CH_DEFAULT_CTL_TX_H (WCN36xx_DXE_CH_CTRL_EN | \ WCN36xx_DXE_CH_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_H2B) | \ WCN36xx_DXE_CH_CTRL_EOP | WCN36xx_DXE_CH_CTRL_DIQ | \ WCN36xx_DXE_CH_CTRL_PDU_REL | WCN36xx_DXE_CH_CTRL_BTHLD_SEL_SET(7) | \ WCN36xx_DXE_CH_CTRL_PRIO_SET(6) | WCN36xx_DXE_CH_CTRL_INE_ED | \ WCN36xx_DXE_CH_CTRL_INE_ERR | WCN36xx_DXE_CH_CTRL_INE_DONE | \ WCN36xx_DXE_CH_CTRL_EDEN | WCN36xx_DXE_CH_CTRL_EDVEN | \ WCN36xx_DXE_CH_CTRL_SEL_SET(4) | WCN36xx_DXE_CH_CTRL_ENDIANNESS | \ WCN36xx_DXE_CH_CTRL_SWAP) #define WCN36XX_DXE_CH_DEFAULT_CTL_TX_L (WCN36xx_DXE_CH_CTRL_EN | \ WCN36xx_DXE_CH_CTRL_XTYPE_SET(WCN36xx_DXE_XTYPE_H2B) | \ WCN36xx_DXE_CH_CTRL_EOP | WCN36xx_DXE_CH_CTRL_DIQ | \ WCN36xx_DXE_CH_CTRL_PDU_REL | WCN36xx_DXE_CH_CTRL_BTHLD_SEL_SET(5) | \ WCN36xx_DXE_CH_CTRL_PRIO_SET(4) | WCN36xx_DXE_CH_CTRL_INE_ED | \ WCN36xx_DXE_CH_CTRL_INE_ERR | WCN36xx_DXE_CH_CTRL_INE_DONE | \ WCN36xx_DXE_CH_CTRL_EDEN | WCN36xx_DXE_CH_CTRL_EDVEN | \ WCN36xx_DXE_CH_CTRL_SEL_SET(0) | WCN36xx_DXE_CH_CTRL_ENDIANNESS | \ WCN36xx_DXE_CH_CTRL_SWAP) /* Common DXE registers */ #define WCN36XX_DXE_MEM_CSR (WCN36XX_DXE_MEM_REG + 0x00) #define WCN36XX_DXE_REG_CSR_RESET (WCN36XX_DXE_MEM_REG + 0x00) #define WCN36XX_DXE_ENCH_ADDR (WCN36XX_DXE_MEM_REG + 0x04) #define WCN36XX_DXE_REG_CH_EN (WCN36XX_DXE_MEM_REG + 0x08) #define WCN36XX_DXE_REG_CH_DONE (WCN36XX_DXE_MEM_REG + 0x0C) #define WCN36XX_DXE_REG_CH_ERR (WCN36XX_DXE_MEM_REG + 0x10) #define WCN36XX_DXE_INT_MASK_REG (WCN36XX_DXE_MEM_REG + 0x18) #define WCN36XX_DXE_INT_SRC_RAW_REG (WCN36XX_DXE_MEM_REG + 0x20) /* #define WCN36XX_DXE_INT_CH6_MASK 0x00000040 */ /* #define WCN36XX_DXE_INT_CH5_MASK 0x00000020 */ #define WCN36XX_DXE_INT_CH4_MASK 0x00000010 #define WCN36XX_DXE_INT_CH3_MASK 0x00000008 /* #define WCN36XX_DXE_INT_CH2_MASK 0x00000004 */ #define WCN36XX_DXE_INT_CH1_MASK 0x00000002 #define WCN36XX_DXE_INT_CH0_MASK 0x00000001 #define WCN36XX_DXE_0_INT_CLR (WCN36XX_DXE_MEM_REG + 0x30) #define WCN36XX_DXE_0_INT_ED_CLR (WCN36XX_DXE_MEM_REG + 0x34) #define WCN36XX_DXE_0_INT_DONE_CLR (WCN36XX_DXE_MEM_REG + 0x38) #define WCN36XX_DXE_0_INT_ERR_CLR (WCN36XX_DXE_MEM_REG + 0x3C) #define WCN36XX_CH_STAT_INT_DONE_MASK 0x00008000 #define WCN36XX_CH_STAT_INT_ERR_MASK 0x00004000 #define WCN36XX_CH_STAT_INT_ED_MASK 0x00002000 #define WCN36XX_DXE_0_CH0_STATUS (WCN36XX_DXE_MEM_REG + 0x404) #define WCN36XX_DXE_0_CH1_STATUS (WCN36XX_DXE_MEM_REG + 0x444) #define WCN36XX_DXE_0_CH2_STATUS (WCN36XX_DXE_MEM_REG + 0x484) #define WCN36XX_DXE_0_CH3_STATUS (WCN36XX_DXE_MEM_REG + 0x4C4) #define WCN36XX_DXE_0_CH4_STATUS (WCN36XX_DXE_MEM_REG + 0x504) #define WCN36XX_DXE_REG_RESET 0x5c89 /* Temporary BMU Workqueue 4 */ #define WCN36XX_DXE_BMU_WQ_RX_LOW 0xB #define WCN36XX_DXE_BMU_WQ_RX_HIGH 0x4 /* DMA channel offset */ #define WCN36XX_DXE_TX_LOW_OFFSET 0x400 #define WCN36XX_DXE_TX_HIGH_OFFSET 0x500 #define WCN36XX_DXE_RX_LOW_OFFSET 0x440 #define WCN36XX_DXE_RX_HIGH_OFFSET 0x4C0 /* Address of the next DXE descriptor */ #define WCN36XX_DXE_CH_NEXT_DESC_ADDR 0x001C #define WCN36XX_DXE_CH_NEXT_DESC_ADDR_TX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_TX_LOW_OFFSET + \ WCN36XX_DXE_CH_NEXT_DESC_ADDR) #define WCN36XX_DXE_CH_NEXT_DESC_ADDR_TX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_TX_HIGH_OFFSET + \ WCN36XX_DXE_CH_NEXT_DESC_ADDR) #define WCN36XX_DXE_CH_NEXT_DESC_ADDR_RX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_LOW_OFFSET + \ WCN36XX_DXE_CH_NEXT_DESC_ADDR) #define WCN36XX_DXE_CH_NEXT_DESC_ADDR_RX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_HIGH_OFFSET + \ WCN36XX_DXE_CH_NEXT_DESC_ADDR) /* DXE Descriptor source address */ #define WCN36XX_DXE_CH_SRC_ADDR 0x000C #define WCN36XX_DXE_CH_SRC_ADDR_RX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_LOW_OFFSET + \ WCN36XX_DXE_CH_SRC_ADDR) #define WCN36XX_DXE_CH_SRC_ADDR_RX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_HIGH_OFFSET + \ WCN36XX_DXE_CH_SRC_ADDR) /* DXE Descriptor address destination address */ #define WCN36XX_DXE_CH_DEST_ADDR 0x0014 #define WCN36XX_DXE_CH_DEST_ADDR_TX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_TX_LOW_OFFSET + \ WCN36XX_DXE_CH_DEST_ADDR) #define WCN36XX_DXE_CH_DEST_ADDR_TX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_TX_HIGH_OFFSET + \ WCN36XX_DXE_CH_DEST_ADDR) #define WCN36XX_DXE_CH_DEST_ADDR_RX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_LOW_OFFSET + \ WCN36XX_DXE_CH_DEST_ADDR) #define WCN36XX_DXE_CH_DEST_ADDR_RX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_HIGH_OFFSET + \ WCN36XX_DXE_CH_DEST_ADDR) /* Interrupt status */ #define WCN36XX_DXE_CH_STATUS_REG_ADDR 0x0004 #define WCN36XX_DXE_CH_STATUS_REG_ADDR_TX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_TX_LOW_OFFSET + \ WCN36XX_DXE_CH_STATUS_REG_ADDR) #define WCN36XX_DXE_CH_STATUS_REG_ADDR_TX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_TX_HIGH_OFFSET + \ WCN36XX_DXE_CH_STATUS_REG_ADDR) #define WCN36XX_DXE_CH_STATUS_REG_ADDR_RX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_LOW_OFFSET + \ WCN36XX_DXE_CH_STATUS_REG_ADDR) #define WCN36XX_DXE_CH_STATUS_REG_ADDR_RX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_HIGH_OFFSET + \ WCN36XX_DXE_CH_STATUS_REG_ADDR) /* DXE default control register */ #define WCN36XX_DXE_REG_CTL_RX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_LOW_OFFSET) #define WCN36XX_DXE_REG_CTL_RX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_RX_HIGH_OFFSET) #define WCN36XX_DXE_REG_CTL_TX_H (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_TX_HIGH_OFFSET) #define WCN36XX_DXE_REG_CTL_TX_L (WCN36XX_DXE_MEM_REG + \ WCN36XX_DXE_TX_LOW_OFFSET) #define WCN36XX_SMSM_WLAN_TX_ENABLE 0x00000400 #define WCN36XX_SMSM_WLAN_TX_RINGS_EMPTY 0x00000200 /* Interrupt control channel mask */ #define WCN36XX_INT_MASK_CHAN_TX_L 0x00000001 #define WCN36XX_INT_MASK_CHAN_RX_L 0x00000002 #define WCN36XX_INT_MASK_CHAN_RX_H 0x00000008 #define WCN36XX_INT_MASK_CHAN_TX_H 0x00000010 #define WCN36XX_BD_CHUNK_SIZE 128 #define WCN36XX_PKT_SIZE 0xF20 enum wcn36xx_dxe_ch_type { WCN36XX_DXE_CH_TX_L, WCN36XX_DXE_CH_TX_H, WCN36XX_DXE_CH_RX_L, WCN36XX_DXE_CH_RX_H }; /* amount of descriptors per channel */ enum wcn36xx_dxe_ch_desc_num { WCN36XX_DXE_CH_DESC_NUMB_TX_L = 128, WCN36XX_DXE_CH_DESC_NUMB_TX_H = 10, WCN36XX_DXE_CH_DESC_NUMB_RX_L = 512, WCN36XX_DXE_CH_DESC_NUMB_RX_H = 40 }; /** * struct wcn36xx_dxe_desc - describes descriptor of one DXE buffer * * @ctrl: is a union that consists of following bits: * union { * u32 valid :1; //0 = DMA stop, 1 = DMA continue with this * //descriptor * u32 transfer_type :2; //0 = Host to Host space * u32 eop :1; //End of Packet * u32 bd_handling :1; //if transferType = Host to BMU, then 0 * // means first 128 bytes contain BD, and 1 * // means create new empty BD * u32 siq :1; // SIQ * u32 diq :1; // DIQ * u32 pdu_rel :1; //0 = don't release BD and PDUs when done, * // 1 = release them * u32 bthld_sel :4; //BMU Threshold Select * u32 prio :3; //Specifies the priority level to use for * // the transfer * u32 stop_channel :1; //1 = DMA stops processing further, channel * //requires re-enabling after this * u32 intr :1; //Interrupt on Descriptor Done * u32 rsvd :1; //reserved * u32 size :14;//14 bits used - ignored for BMU transfers, * //only used for host to host transfers? * } ctrl; */ struct wcn36xx_dxe_desc { u32 ctrl; u32 fr_len; u32 src_addr_l; u32 dst_addr_l; u32 phy_next_l; u32 src_addr_h; u32 dst_addr_h; u32 phy_next_h; } __packed; /* DXE Control block */ struct wcn36xx_dxe_ctl { struct wcn36xx_dxe_ctl *next; struct wcn36xx_dxe_desc *desc; unsigned int desc_phy_addr; int ctl_blk_order; struct sk_buff *skb; void *bd_cpu_addr; dma_addr_t bd_phy_addr; }; struct wcn36xx_dxe_ch { spinlock_t lock; /* protects head/tail ptrs */ enum wcn36xx_dxe_ch_type ch_type; void *cpu_addr; dma_addr_t dma_addr; enum wcn36xx_dxe_ch_desc_num desc_num; /* DXE control block ring */ struct wcn36xx_dxe_ctl *head_blk_ctl; struct wcn36xx_dxe_ctl *tail_blk_ctl; /* DXE channel specific configs */ u32 dxe_wq; u32 ctrl_bd; u32 ctrl_skb; u32 reg_ctrl; u32 def_ctrl; }; /* Memory Pool for BD headers */ struct wcn36xx_dxe_mem_pool { int chunk_size; void *virt_addr; dma_addr_t phy_addr; }; struct wcn36xx_tx_bd; struct wcn36xx_vif; int wcn36xx_dxe_allocate_mem_pools(struct wcn36xx *wcn); void wcn36xx_dxe_free_mem_pools(struct wcn36xx *wcn); void wcn36xx_dxe_rx_frame(struct wcn36xx *wcn); int wcn36xx_dxe_alloc_ctl_blks(struct wcn36xx *wcn); void wcn36xx_dxe_free_ctl_blks(struct wcn36xx *wcn); int wcn36xx_dxe_init(struct wcn36xx *wcn); void wcn36xx_dxe_deinit(struct wcn36xx *wcn); int wcn36xx_dxe_init_channels(struct wcn36xx *wcn); int wcn36xx_dxe_tx_frame(struct wcn36xx *wcn, struct wcn36xx_vif *vif_priv, struct wcn36xx_tx_bd *bd, struct sk_buff *skb, bool is_low); int wcn36xx_dxe_tx_flush(struct wcn36xx *wcn); void wcn36xx_dxe_tx_ack_ind(struct wcn36xx *wcn, u32 status); #endif /* _DXE_H_ */
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