diff options
Diffstat (limited to 'arch/arm/include/asm/ti-common')
| -rw-r--r-- | arch/arm/include/asm/ti-common/keystone_nav.h | 191 | ||||
| -rw-r--r-- | arch/arm/include/asm/ti-common/keystone_net.h | 249 | ||||
| -rw-r--r-- | arch/arm/include/asm/ti-common/keystone_serdes.h | 55 | ||||
| -rw-r--r-- | arch/arm/include/asm/ti-common/ti-edma3.h | 121 |
4 files changed, 616 insertions, 0 deletions
diff --git a/arch/arm/include/asm/ti-common/keystone_nav.h b/arch/arm/include/asm/ti-common/keystone_nav.h new file mode 100644 index 0000000..696d8c6 --- /dev/null +++ b/arch/arm/include/asm/ti-common/keystone_nav.h @@ -0,0 +1,191 @@ +/* + * Multicore Navigator definitions + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _KEYSTONE_NAV_H_ +#define _KEYSTONE_NAV_H_ + +#include <asm/arch/hardware.h> +#include <asm/io.h> + +#define QM_OK 0 +#define QM_ERR -1 +#define QM_DESC_TYPE_HOST 0 +#define QM_DESC_PSINFO_IN_DESCR 0 +#define QM_DESC_DEFAULT_DESCINFO (QM_DESC_TYPE_HOST << 30) | \ + (QM_DESC_PSINFO_IN_DESCR << 22) + +/* Packet Info */ +#define QM_DESC_PINFO_EPIB 1 +#define QM_DESC_PINFO_RETURN_OWN 1 +#define QM_DESC_DEFAULT_PINFO (QM_DESC_PINFO_EPIB << 31) | \ + (QM_DESC_PINFO_RETURN_OWN << 15) + +struct qm_cfg_reg { + u32 revision; + u32 __pad1; + u32 divert; + u32 link_ram_base0; + u32 link_ram_size0; + u32 link_ram_base1; + u32 link_ram_size1; + u32 link_ram_base2; + u32 starvation[0]; +}; + +struct descr_mem_setup_reg { + u32 base_addr; + u32 start_idx; + u32 desc_reg_size; + u32 _res0; +}; + +struct qm_reg_queue { + u32 entry_count; + u32 byte_count; + u32 packet_size; + u32 ptr_size_thresh; +}; + +struct qm_config { + /* QM module addresses */ + u32 stat_cfg; /* status and config */ + struct qm_reg_queue *queue; /* management region */ + u32 mngr_vbusm; /* management region (VBUSM) */ + u32 i_lram; /* internal linking RAM */ + struct qm_reg_queue *proxy; + u32 status_ram; + struct qm_cfg_reg *mngr_cfg; + /* Queue manager config region */ + u32 intd_cfg; /* QMSS INTD config region */ + struct descr_mem_setup_reg *desc_mem; + /* descritor memory setup region*/ + u32 region_num; + u32 pdsp_cmd; /* PDSP1 command interface */ + u32 pdsp_ctl; /* PDSP1 control registers */ + u32 pdsp_iram; + /* QM configuration parameters */ + + u32 qpool_num; /* */ +}; + +struct qm_host_desc { + u32 desc_info; + u32 tag_info; + u32 packet_info; + u32 buff_len; + u32 buff_ptr; + u32 next_bdptr; + u32 orig_buff_len; + u32 orig_buff_ptr; + u32 timestamp; + u32 swinfo[3]; + u32 ps_data[20]; +}; + +#define HDESC_NUM 256 + +int qm_init(void); +void qm_close(void); +void qm_push(struct qm_host_desc *hd, u32 qnum); +struct qm_host_desc *qm_pop(u32 qnum); + +void qm_buff_push(struct qm_host_desc *hd, u32 qnum, + void *buff_ptr, u32 buff_len); + +struct qm_host_desc *qm_pop_from_free_pool(void); +void queue_close(u32 qnum); + +/* + * DMA API + */ +#define CPDMA_REG_VAL_MAKE_RX_FLOW_A(einfo, psinfo, rxerr, desc, \ + psloc, sopoff, qmgr, qnum) \ + (((einfo & 1) << 30) | \ + ((psinfo & 1) << 29) | \ + ((rxerr & 1) << 28) | \ + ((desc & 3) << 26) | \ + ((psloc & 1) << 25) | \ + ((sopoff & 0x1ff) << 16) | \ + ((qmgr & 3) << 12) | \ + ((qnum & 0xfff) << 0)) + +#define CPDMA_REG_VAL_MAKE_RX_FLOW_D(fd0qm, fd0qnum, fd1qm, fd1qnum) \ + (((fd0qm & 3) << 28) | \ + ((fd0qnum & 0xfff) << 16) | \ + ((fd1qm & 3) << 12) | \ + ((fd1qnum & 0xfff) << 0)) + +#define CPDMA_CHAN_A_ENABLE ((u32)1 << 31) +#define CPDMA_CHAN_A_TDOWN (1 << 30) +#define TDOWN_TIMEOUT_COUNT 100 + +struct global_ctl_regs { + u32 revision; + u32 perf_control; + u32 emulation_control; + u32 priority_control; + u32 qm_base_addr[4]; +}; + +struct tx_chan_regs { + u32 cfg_a; + u32 cfg_b; + u32 res[6]; +}; + +struct rx_chan_regs { + u32 cfg_a; + u32 res[7]; +}; + +struct rx_flow_regs { + u32 control; + u32 tags; + u32 tag_sel; + u32 fdq_sel[2]; + u32 thresh[3]; +}; + +struct pktdma_cfg { + struct global_ctl_regs *global; + struct tx_chan_regs *tx_ch; + u32 tx_ch_num; + struct rx_chan_regs *rx_ch; + u32 rx_ch_num; + u32 *tx_sched; + struct rx_flow_regs *rx_flows; + u32 rx_flow_num; + + u32 rx_free_q; + u32 rx_rcv_q; + u32 tx_snd_q; + + u32 rx_flow; /* flow that is used for RX */ +}; + +extern struct pktdma_cfg netcp_pktdma; + +/* + * packet dma user allocates memory for rx buffers + * and describe it in the following structure + */ +struct rx_buff_desc { + u8 *buff_ptr; + u32 num_buffs; + u32 buff_len; + u32 rx_flow; +}; + +int ksnav_close(struct pktdma_cfg *pktdma); +int ksnav_init(struct pktdma_cfg *pktdma, struct rx_buff_desc *rx_buffers); +int ksnav_send(struct pktdma_cfg *pktdma, u32 *pkt, int num_bytes, u32 swinfo2); +void *ksnav_recv(struct pktdma_cfg *pktdma, u32 **pkt, int *num_bytes); +void ksnav_release_rxhd(struct pktdma_cfg *pktdma, void *hd); + +#endif /* _KEYSTONE_NAV_H_ */ diff --git a/arch/arm/include/asm/ti-common/keystone_net.h b/arch/arm/include/asm/ti-common/keystone_net.h new file mode 100644 index 0000000..011c03c --- /dev/null +++ b/arch/arm/include/asm/ti-common/keystone_net.h @@ -0,0 +1,249 @@ +/* + * emac definitions for keystone2 devices + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _KEYSTONE_NET_H_ +#define _KEYSTONE_NET_H_ + +#include <asm/io.h> + +/* EMAC */ +#ifdef CONFIG_KSNET_NETCP_V1_0 + +#define GBETH_BASE (CONFIG_KSNET_NETCP_BASE + 0x00090000) +#define EMAC_EMACSL_BASE_ADDR (GBETH_BASE + 0x900) +#define EMAC_MDIO_BASE_ADDR (GBETH_BASE + 0x300) +#define EMAC_SGMII_BASE_ADDR (GBETH_BASE + 0x100) +#define DEVICE_EMACSL_BASE(x) (EMAC_EMACSL_BASE_ADDR + (x) * 0x040) + +/* Register offsets */ +#define CPGMACSL_REG_CTL 0x04 +#define CPGMACSL_REG_STATUS 0x08 +#define CPGMACSL_REG_RESET 0x0c +#define CPGMACSL_REG_MAXLEN 0x10 + +#elif defined CONFIG_KSNET_NETCP_V1_5 + +#define GBETH_BASE (CONFIG_KSNET_NETCP_BASE + 0x00200000) +#define CPGMACSL_REG_RX_PRI_MAP 0x020 +#define EMAC_EMACSL_BASE_ADDR (GBETH_BASE + 0x22000) +#define EMAC_MDIO_BASE_ADDR (GBETH_BASE + 0x00f00) +#define EMAC_SGMII_BASE_ADDR (GBETH_BASE + 0x00100) +#define DEVICE_EMACSL_BASE(x) (EMAC_EMACSL_BASE_ADDR + (x) * 0x1000) + +/* Register offsets */ +#define CPGMACSL_REG_CTL 0x330 +#define CPGMACSL_REG_STATUS 0x334 +#define CPGMACSL_REG_RESET 0x338 +#define CPGMACSL_REG_MAXLEN 0x024 + +#endif + +#define KEYSTONE2_EMAC_GIG_ENABLE + +#define MAC_ID_BASE_ADDR CONFIG_KSNET_MAC_ID_BASE + +/* MDIO module input frequency */ +#define EMAC_MDIO_BUS_FREQ (clk_get_rate(pass_pll_clk)) +/* MDIO clock output frequency */ +#define EMAC_MDIO_CLOCK_FREQ 2500000 /* 2.5 MHz */ + +/* MII Status Register */ +#define MII_STATUS_REG 1 +#define MII_STATUS_LINK_MASK 0x4 + +#define MDIO_CONTROL_IDLE 0x80000000 +#define MDIO_CONTROL_ENABLE 0x40000000 +#define MDIO_CONTROL_FAULT_ENABLE 0x40000 +#define MDIO_CONTROL_FAULT 0x80000 +#define MDIO_USERACCESS0_GO 0x80000000 +#define MDIO_USERACCESS0_WRITE_READ 0x0 +#define MDIO_USERACCESS0_WRITE_WRITE 0x40000000 +#define MDIO_USERACCESS0_ACK 0x20000000 + +#define EMAC_MACCONTROL_MIIEN_ENABLE 0x20 +#define EMAC_MACCONTROL_FULLDUPLEX_ENABLE 0x1 +#define EMAC_MACCONTROL_GIGABIT_ENABLE BIT(7) +#define EMAC_MACCONTROL_GIGFORCE BIT(17) +#define EMAC_MACCONTROL_RMIISPEED_100 BIT(15) + +#define EMAC_MIN_ETHERNET_PKT_SIZE 60 + +struct mac_sl_cfg { + u_int32_t max_rx_len; /* Maximum receive packet length. */ + u_int32_t ctl; /* Control bitfield */ +}; + +/** + * Definition: Control bitfields used in the ctl field of mac_sl_cfg + */ +#define GMACSL_RX_ENABLE_RCV_CONTROL_FRAMES BIT(24) +#define GMACSL_RX_ENABLE_RCV_SHORT_FRAMES BIT(23) +#define GMACSL_RX_ENABLE_RCV_ERROR_FRAMES BIT(22) +#define GMACSL_RX_ENABLE_EXT_CTL BIT(18) +#define GMACSL_RX_ENABLE_GIG_FORCE BIT(17) +#define GMACSL_RX_ENABLE_IFCTL_B BIT(16) +#define GMACSL_RX_ENABLE_IFCTL_A BIT(15) +#define GMACSL_RX_ENABLE_CMD_IDLE BIT(11) +#define GMACSL_TX_ENABLE_SHORT_GAP BIT(10) +#define GMACSL_ENABLE_GIG_MODE BIT(7) +#define GMACSL_TX_ENABLE_PACE BIT(6) +#define GMACSL_ENABLE BIT(5) +#define GMACSL_TX_ENABLE_FLOW_CTL BIT(4) +#define GMACSL_RX_ENABLE_FLOW_CTL BIT(3) +#define GMACSL_ENABLE_LOOPBACK BIT(1) +#define GMACSL_ENABLE_FULL_DUPLEX BIT(0) + +/* EMAC SL function return values */ +#define GMACSL_RET_OK 0 +#define GMACSL_RET_INVALID_PORT -1 +#define GMACSL_RET_WARN_RESET_INCOMPLETE -2 +#define GMACSL_RET_WARN_MAXLEN_TOO_BIG -3 +#define GMACSL_RET_CONFIG_FAIL_RESET_ACTIVE -4 + +/* EMAC SL register definitions */ +#define DEVICE_EMACSL_RESET_POLL_COUNT 100 + +/* Soft reset register values */ +#define CPGMAC_REG_RESET_VAL_RESET_MASK BIT(0) +#define CPGMAC_REG_RESET_VAL_RESET BIT(0) +#define CPGMAC_REG_MAXLEN_LEN 0x3fff + +/* CPSW */ +/* Control bitfields */ +#define CPSW_CTL_P2_PASS_PRI_TAGGED BIT(5) +#define CPSW_CTL_P1_PASS_PRI_TAGGED BIT(4) +#define CPSW_CTL_P0_PASS_PRI_TAGGED BIT(3) +#define CPSW_CTL_P0_ENABLE BIT(2) +#define CPSW_CTL_VLAN_AWARE BIT(1) +#define CPSW_CTL_FIFO_LOOPBACK BIT(0) + +#define DEVICE_CPSW_NUM_PORTS CONFIG_KSNET_CPSW_NUM_PORTS +#define DEVICE_N_GMACSL_PORTS (DEVICE_CPSW_NUM_PORTS - 1) + +#ifdef CONFIG_KSNET_NETCP_V1_0 + +#define DEVICE_CPSW_BASE (GBETH_BASE + 0x800) +#define CPSW_REG_CTL 0x004 +#define CPSW_REG_STAT_PORT_EN 0x00c +#define CPSW_REG_MAXLEN 0x040 +#define CPSW_REG_ALE_CONTROL 0x608 +#define CPSW_REG_ALE_PORTCTL(x) (0x640 + (x) * 4) +#define CPSW_REG_VAL_STAT_ENABLE_ALL 0xf + +#elif defined CONFIG_KSNET_NETCP_V1_5 + +#define DEVICE_CPSW_BASE (GBETH_BASE + 0x20000) +#define CPSW_REG_CTL 0x00004 +#define CPSW_REG_STAT_PORT_EN 0x00014 +#define CPSW_REG_MAXLEN 0x01024 +#define CPSW_REG_ALE_CONTROL 0x1e008 +#define CPSW_REG_ALE_PORTCTL(x) (0x1e040 + (x) * 4) +#define CPSW_REG_VAL_STAT_ENABLE_ALL 0x1ff + +#endif + +#define CPSW_REG_VAL_ALE_CTL_RESET_AND_ENABLE ((u_int32_t)0xc0000000) +#define CPSW_REG_VAL_ALE_CTL_BYPASS ((u_int32_t)0x00000010) +#define CPSW_REG_VAL_PORTCTL_FORWARD_MODE 0x3 + +#define target_get_switch_ctl() CPSW_CTL_P0_ENABLE +#define SWITCH_MAX_PKT_SIZE 9000 + +/* SGMII */ +#define SGMII_REG_STATUS_LOCK BIT(4) +#define SGMII_REG_STATUS_LINK BIT(0) +#define SGMII_REG_STATUS_AUTONEG BIT(2) +#define SGMII_REG_CONTROL_AUTONEG BIT(0) +#define SGMII_REG_CONTROL_MASTER BIT(5) +#define SGMII_REG_MR_ADV_ENABLE BIT(0) +#define SGMII_REG_MR_ADV_LINK BIT(15) +#define SGMII_REG_MR_ADV_FULL_DUPLEX BIT(12) +#define SGMII_REG_MR_ADV_GIG_MODE BIT(11) + +#define SGMII_LINK_MAC_MAC_AUTONEG 0 +#define SGMII_LINK_MAC_PHY 1 +#define SGMII_LINK_MAC_MAC_FORCED 2 +#define SGMII_LINK_MAC_FIBER 3 +#define SGMII_LINK_MAC_PHY_FORCED 4 + +#ifdef CONFIG_KSNET_NETCP_V1_0 +#define SGMII_OFFSET(x) ((x <= 1) ? (x * 0x100) : ((x * 0x100) + 0x100)) +#elif defined CONFIG_KSNET_NETCP_V1_5 +#define SGMII_OFFSET(x) ((x) * 0x100) +#endif + +#define SGMII_IDVER_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x000) +#define SGMII_SRESET_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x004) +#define SGMII_CTL_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x010) +#define SGMII_STATUS_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x014) +#define SGMII_MRADV_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x018) +#define SGMII_LPADV_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x020) +#define SGMII_TXCFG_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x030) +#define SGMII_RXCFG_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x034) +#define SGMII_AUXCFG_REG(x) (EMAC_SGMII_BASE_ADDR + SGMII_OFFSET(x) + 0x038) + +/* PSS */ +#ifdef CONFIG_KSNET_NETCP_V1_0 + +#define DEVICE_PSTREAM_CFG_REG_ADDR (CONFIG_KSNET_NETCP_BASE + 0x604) +#define DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI 0x06060606 +#define hw_config_streaming_switch()\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI, DEVICE_PSTREAM_CFG_REG_ADDR); + +#elif defined CONFIG_KSNET_NETCP_V1_5 + +#define DEVICE_PSTREAM_CFG_REG_ADDR (CONFIG_KSNET_NETCP_BASE + 0x500) +#define DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI 0x0 + +#define hw_config_streaming_switch()\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI,\ + DEVICE_PSTREAM_CFG_REG_ADDR);\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI,\ + DEVICE_PSTREAM_CFG_REG_ADDR+4);\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI,\ + DEVICE_PSTREAM_CFG_REG_ADDR+8);\ + writel(DEVICE_PSTREAM_CFG_VAL_ROUTE_CPPI,\ + DEVICE_PSTREAM_CFG_REG_ADDR+12); + +#endif + +/* EMAC MDIO Registers Structure */ +struct mdio_regs { + u32 version; + u32 control; + u32 alive; + u32 link; + u32 linkintraw; + u32 linkintmasked; + u32 rsvd0[2]; + u32 userintraw; + u32 userintmasked; + u32 userintmaskset; + u32 userintmaskclear; + u32 rsvd1[20]; + u32 useraccess0; + u32 userphysel0; + u32 useraccess1; + u32 userphysel1; +}; + +struct eth_priv_t { + char int_name[32]; + int rx_flow; + int phy_addr; + int slave_port; + int sgmii_link_type; + struct phy_device *phy_dev; +}; + +int keystone2_emac_initialize(struct eth_priv_t *eth_priv); +void sgmii_serdes_setup_156p25mhz(void); +void sgmii_serdes_shutdown(void); + +#endif /* _KEYSTONE_NET_H_ */ diff --git a/arch/arm/include/asm/ti-common/keystone_serdes.h b/arch/arm/include/asm/ti-common/keystone_serdes.h new file mode 100644 index 0000000..2e92411 --- /dev/null +++ b/arch/arm/include/asm/ti-common/keystone_serdes.h @@ -0,0 +1,55 @@ +/* + * Texas Instruments Keystone SerDes driver + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __TI_KEYSTONE_SERDES_H__ +#define __TI_KEYSTONE_SERDES_H__ + +/* SERDES Reference clock */ +enum ks2_serdes_clock { + SERDES_CLOCK_100M, /* 100 MHz */ + SERDES_CLOCK_122P88M, /* 122.88 MHz */ + SERDES_CLOCK_125M, /* 125 MHz */ + SERDES_CLOCK_156P25M, /* 156.25 MHz */ + SERDES_CLOCK_312P5M, /* 312.5 MHz */ +}; + +/* SERDES Lane Baud Rate */ +enum ks2_serdes_rate { + SERDES_RATE_4P9152G, /* 4.9152 GBaud */ + SERDES_RATE_5G, /* 5 GBaud */ + SERDES_RATE_6P144G, /* 6.144 GBaud */ + SERDES_RATE_6P25G, /* 6.25 GBaud */ + SERDES_RATE_10p3125g, /* 10.3215 GBaud */ + SERDES_RATE_12p5g, /* 12.5 GBaud */ +}; + +/* SERDES Lane Rate Mode */ +enum ks2_serdes_rate_mode { + SERDES_FULL_RATE, + SERDES_HALF_RATE, + SERDES_QUARTER_RATE, +}; + +/* SERDES PHY TYPE */ +enum ks2_serdes_interface { + SERDES_PHY_SGMII, + SERDES_PHY_PCSR, /* XGE SERDES */ +}; + +struct ks2_serdes { + enum ks2_serdes_clock clk; + enum ks2_serdes_rate rate; + enum ks2_serdes_rate_mode rate_mode; + enum ks2_serdes_interface intf; + u32 loopback; +}; + +int ks2_serdes_init(u32 base, struct ks2_serdes *serdes, u32 num_lanes); + +#endif /* __TI_KEYSTONE_SERDES_H__ */ diff --git a/arch/arm/include/asm/ti-common/ti-edma3.h b/arch/arm/include/asm/ti-common/ti-edma3.h new file mode 100644 index 0000000..5adc1da --- /dev/null +++ b/arch/arm/include/asm/ti-common/ti-edma3.h @@ -0,0 +1,121 @@ +/* + * Enhanced Direct Memory Access (EDMA3) Controller + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _EDMA3_H_ +#define _EDMA3_H_ + +#include <linux/stddef.h> + +#define EDMA3_PARSET_NULL_LINK 0xffff + +/* + * All parameter RAM set options + * opt field in edma3_param_set_config structure + */ +#define EDMA3_SLOPT_PRIV_LEVEL BIT(31) +#define EDMA3_SLOPT_PRIV_ID(id) ((0xf & (id)) << 24) +#define EDMA3_SLOPT_INTERM_COMP_CHAIN_ENB BIT(23) +#define EDMA3_SLOPT_TRANS_COMP_CHAIN_ENB BIT(22) +#define EDMA3_SLOPT_INTERM_COMP_INT_ENB BIT(21) +#define EDMA3_SLOPT_TRANS_COMP_INT_ENB BIT(20) +#define EDMA3_SLOPT_COMP_CODE(code) ((0x3f & (code)) << 12) +#define EDMA3_SLOPT_FIFO_WIDTH_8 0 +#define EDMA3_SLOPT_FIFO_WIDTH_16 (1 << 8) +#define EDMA3_SLOPT_FIFO_WIDTH_32 (2 << 8) +#define EDMA3_SLOPT_FIFO_WIDTH_64 (3 << 8) +#define EDMA3_SLOPT_FIFO_WIDTH_128 (4 << 8) +#define EDMA3_SLOPT_FIFO_WIDTH_256 (5 << 8) +#define EDMA3_SLOPT_FIFO_WIDTH_SET(w) ((w & 0x7) << 8) +#define EDMA3_SLOPT_STATIC BIT(3) +#define EDMA3_SLOPT_AB_SYNC BIT(2) +#define EDMA3_SLOPT_DST_ADDR_CONST_MODE BIT(1) +#define EDMA3_SLOPT_SRC_ADDR_CONST_MODE BIT(0) + +enum edma3_address_mode { + INCR = 0, + FIFO = 1 +}; + +enum edma3_fifo_width { + W8BIT = 0, + W16BIT = 1, + W32BIT = 2, + W64BIT = 3, + W128BIT = 4, + W256BIT = 5 +}; + +enum edma3_sync_dimension { + ASYNC = 0, + ABSYNC = 1 +}; + +/* PaRAM slots are laid out like this */ +struct edma3_slot_layout { + u32 opt; + u32 src; + u32 a_b_cnt; + u32 dst; + u32 src_dst_bidx; + u32 link_bcntrld; + u32 src_dst_cidx; + u32 ccnt; +} __packed; + +/* + * Use this to assign trigger word number of edma3_slot_layout struct. + * trigger_word_name - is the exact name from edma3_slot_layout. + */ +#define EDMA3_TWORD(trigger_word_name)\ + (offsetof(struct edma3_slot_layout, trigger_word_name) / 4) + +struct edma3_slot_config { + u32 opt; + u32 src; + u32 dst; + int bcnt; + int acnt; + int ccnt; + int src_bidx; + int dst_bidx; + int src_cidx; + int dst_cidx; + int bcntrld; + int link; +}; + +struct edma3_channel_config { + int slot; + int chnum; + int complete_code; /* indicate pending complete interrupt */ + int trigger_slot_word; /* only used for qedma */ +}; + +void qedma3_start(u32 base, struct edma3_channel_config *cfg); +void qedma3_stop(u32 base, struct edma3_channel_config *cfg); +void edma3_slot_configure(u32 base, int slot, struct edma3_slot_config *cfg); +int edma3_check_for_transfer(u32 base, struct edma3_channel_config *cfg); +void edma3_write_slot(u32 base, int slot, struct edma3_slot_layout *param); +void edma3_read_slot(u32 base, int slot, struct edma3_slot_layout *param); + +void edma3_set_dest(u32 base, int slot, u32 dst, enum edma3_address_mode mode, + enum edma3_fifo_width width); +void edma3_set_dest_index(u32 base, unsigned slot, int bidx, int cidx); +void edma3_set_dest_addr(u32 base, int slot, u32 dst); + +void edma3_set_src(u32 base, int slot, u32 src, enum edma3_address_mode mode, + enum edma3_fifo_width width); +void edma3_set_src_index(u32 base, unsigned slot, int bidx, int cidx); +void edma3_set_src_addr(u32 base, int slot, u32 src); + +void edma3_set_transfer_params(u32 base, int slot, int acnt, + int bcnt, int ccnt, u16 bcnt_rld, + enum edma3_sync_dimension sync_mode); + +#endif |