/* * Faraday FOTG210 USB OTG controller * * Copyright (C) 2013 Faraday Technology Corporation * Author: Yuan-Hsin Chen <yhchen@faraday-tech.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #include <linux/kernel.h> #define FOTG210_MAX_NUM_EP 5 /* ep0...ep4 */ #define FOTG210_MAX_FIFO_NUM 4 /* fifo0...fifo4 */ /* Global Mask of HC/OTG/DEV interrupt Register(0xC4) */ #define FOTG210_GMIR 0xC4 #define GMIR_INT_POLARITY 0x8 /*Active High*/ #define GMIR_MHC_INT 0x4 #define GMIR_MOTG_INT 0x2 #define GMIR_MDEV_INT 0x1 /* Device Main Control Register(0x100) */ #define FOTG210_DMCR 0x100 #define DMCR_HS_EN (1 << 6) #define DMCR_CHIP_EN (1 << 5) #define DMCR_SFRST (1 << 4) #define DMCR_GOSUSP (1 << 3) #define DMCR_GLINT_EN (1 << 2) #define DMCR_HALF_SPEED (1 << 1) #define DMCR_CAP_RMWAKUP (1 << 0) /* Device Address Register(0x104) */ #define FOTG210_DAR 0x104 #define DAR_AFT_CONF (1 << 7) /* Device Test Register(0x108) */ #define FOTG210_DTR 0x108 #define DTR_TST_CLRFF (1 << 0) /* PHY Test Mode Selector register(0x114) */ #define FOTG210_PHYTMSR 0x114 #define PHYTMSR_TST_PKT (1 << 4) #define PHYTMSR_TST_SE0NAK (1 << 3) #define PHYTMSR_TST_KSTA (1 << 2) #define PHYTMSR_TST_JSTA (1 << 1) #define PHYTMSR_UNPLUG (1 << 0) /* Cx configuration and FIFO Empty Status register(0x120) */ #define FOTG210_DCFESR 0x120 #define DCFESR_FIFO_EMPTY(fifo) (1 << 8 << (fifo)) #define DCFESR_CX_EMP (1 << 5) #define DCFESR_CX_CLR (1 << 3) #define DCFESR_CX_STL (1 << 2) #define DCFESR_TST_PKDONE (1 << 1) #define DCFESR_CX_DONE (1 << 0) /* Device IDLE Counter Register(0x124) */ #define FOTG210_DICR 0x124 /* Device Mask of Interrupt Group Register (0x130) */ #define FOTG210_DMIGR 0x130 #define DMIGR_MINT_G0 (1 << 0) /* Device Mask of Interrupt Source Group 0(0x134) */ #define FOTG210_DMISGR0 0x134 #define DMISGR0_MCX_COMEND (1 << 3) #define DMISGR0_MCX_OUT_INT (1 << 2) #define DMISGR0_MCX_IN_INT (1 << 1) #define DMISGR0_MCX_SETUP_INT (1 << 0) /* Device Mask of Interrupt Source Group 1 Register(0x138)*/ #define FOTG210_DMISGR1 0x138 #define DMISGR1_MF3_IN_INT (1 << 19) #define DMISGR1_MF2_IN_INT (1 << 18) #define DMISGR1_MF1_IN_INT (1 << 17) #define DMISGR1_MF0_IN_INT (1 << 16) #define DMISGR1_MF_IN_INT(fifo) (1 << (16 + (fifo))) #define DMISGR1_MF3_SPK_INT (1 << 7) #define DMISGR1_MF3_OUT_INT (1 << 6) #define DMISGR1_MF2_SPK_INT (1 << 5) #define DMISGR1_MF2_OUT_INT (1 << 4) #define DMISGR1_MF1_SPK_INT (1 << 3) #define DMISGR1_MF1_OUT_INT (1 << 2) #define DMISGR1_MF0_SPK_INT (1 << 1) #define DMISGR1_MF0_OUT_INT (1 << 0) #define DMISGR1_MF_OUTSPK_INT(fifo) (0x3 << (fifo) * 2) /* Device Mask of Interrupt Source Group 2 Register (0x13C) */ #define FOTG210_DMISGR2 0x13C #define DMISGR2_MDMA_ERROR (1 << 8) #define DMISGR2_MDMA_CMPLT (1 << 7) /* Device Interrupt group Register (0x140) */ #define FOTG210_DIGR 0x140 #define DIGR_INT_G2 (1 << 2) #define DIGR_INT_G1 (1 << 1) #define DIGR_INT_G0 (1 << 0) /* Device Interrupt Source Group 0 Register (0x144) */ #define FOTG210_DISGR0 0x144 #define DISGR0_CX_COMABT_INT (1 << 5) #define DISGR0_CX_COMFAIL_INT (1 << 4) #define DISGR0_CX_COMEND_INT (1 << 3) #define DISGR0_CX_OUT_INT (1 << 2) #define DISGR0_CX_IN_INT (1 << 1) #define DISGR0_CX_SETUP_INT (1 << 0) /* Device Interrupt Source Group 1 Register (0x148) */ #define FOTG210_DISGR1 0x148 #define DISGR1_OUT_INT(fifo) (1 << ((fifo) * 2)) #define DISGR1_SPK_INT(fifo) (1 << 1 << ((fifo) * 2)) #define DISGR1_IN_INT(fifo) (1 << 16 << (fifo)) /* Device Interrupt Source Group 2 Register (0x14C) */ #define FOTG210_DISGR2 0x14C #define DISGR2_DMA_ERROR (1 << 8) #define DISGR2_DMA_CMPLT (1 << 7) #define DISGR2_RX0BYTE_INT (1 << 6) #define DISGR2_TX0BYTE_INT (1 << 5) #define DISGR2_ISO_SEQ_ABORT_INT (1 << 4) #define DISGR2_ISO_SEQ_ERR_INT (1 << 3) #define DISGR2_RESM_INT (1 << 2) #define DISGR2_SUSP_INT (1 << 1) #define DISGR2_USBRST_INT (1 << 0) /* Device Receive Zero-Length Data Packet Register (0x150)*/ #define FOTG210_RX0BYTE 0x150 #define RX0BYTE_EP8 (1 << 7) #define RX0BYTE_EP7 (1 << 6) #define RX0BYTE_EP6 (1 << 5) #define RX0BYTE_EP5 (1 << 4) #define RX0BYTE_EP4 (1 << 3) #define RX0BYTE_EP3 (1 << 2) #define RX0BYTE_EP2 (1 << 1) #define RX0BYTE_EP1 (1 << 0) /* Device Transfer Zero-Length Data Packet Register (0x154)*/ #define FOTG210_TX0BYTE 0x154 #define TX0BYTE_EP8 (1 << 7) #define TX0BYTE_EP7 (1 << 6) #define TX0BYTE_EP6 (1 << 5) #define TX0BYTE_EP5 (1 << 4) #define TX0BYTE_EP4 (1 << 3) #define TX0BYTE_EP3 (1 << 2) #define TX0BYTE_EP2 (1 << 1) #define TX0BYTE_EP1 (1 << 0) /* Device IN Endpoint x MaxPacketSize Register(0x160+4*(x-1)) */ #define FOTG210_INEPMPSR(ep) (0x160 + 4 * ((ep) - 1)) #define INOUTEPMPSR_MPS(mps) ((mps) & 0x2FF) #define INOUTEPMPSR_STL_EP (1 << 11) #define INOUTEPMPSR_RESET_TSEQ (1 << 12) /* Device OUT Endpoint x MaxPacketSize Register(0x180+4*(x-1)) */ #define FOTG210_OUTEPMPSR(ep) (0x180 + 4 * ((ep) - 1)) /* Device Endpoint 1~4 Map Register (0x1A0) */ #define FOTG210_EPMAP 0x1A0 #define EPMAP_FIFONO(ep, dir) \ ((((ep) - 1) << ((ep) - 1) * 8) << ((dir) ? 0 : 4)) #define EPMAP_FIFONOMSK(ep, dir) \ ((3 << ((ep) - 1) * 8) << ((dir) ? 0 : 4)) /* Device FIFO Map Register (0x1A8) */ #define FOTG210_FIFOMAP 0x1A8 #define FIFOMAP_DIROUT(fifo) (0x0 << 4 << (fifo) * 8) #define FIFOMAP_DIRIN(fifo) (0x1 << 4 << (fifo) * 8) #define FIFOMAP_BIDIR(fifo) (0x2 << 4 << (fifo) * 8) #define FIFOMAP_NA(fifo) (0x3 << 4 << (fifo) * 8) #define FIFOMAP_EPNO(ep) ((ep) << ((ep) - 1) * 8) #define FIFOMAP_EPNOMSK(ep) (0xF << ((ep) - 1) * 8) /* Device FIFO Confuguration Register (0x1AC) */ #define FOTG210_FIFOCF 0x1AC #define FIFOCF_TYPE(type, fifo) ((type) << (fifo) * 8) #define FIFOCF_BLK_SIN(fifo) (0x0 << (fifo) * 8 << 2) #define FIFOCF_BLK_DUB(fifo) (0x1 << (fifo) * 8 << 2) #define FIFOCF_BLK_TRI(fifo) (0x2 << (fifo) * 8 << 2) #define FIFOCF_BLKSZ_512(fifo) (0x0 << (fifo) * 8 << 4) #define FIFOCF_BLKSZ_1024(fifo) (0x1 << (fifo) * 8 << 4) #define FIFOCF_FIFO_EN(fifo) (0x1 << (fifo) * 8 << 5) /* Device FIFO n Instruction and Byte Count Register (0x1B0+4*n) */ #define FOTG210_FIBCR(fifo) (0x1B0 + (fifo) * 4) #define FIBCR_BCFX 0x7FF #define FIBCR_FFRST (1 << 12) /* Device DMA Target FIFO Number Register (0x1C0) */ #define FOTG210_DMATFNR 0x1C0 #define DMATFNR_ACC_CXF (1 << 4) #define DMATFNR_ACC_F3 (1 << 3) #define DMATFNR_ACC_F2 (1 << 2) #define DMATFNR_ACC_F1 (1 << 1) #define DMATFNR_ACC_F0 (1 << 0) #define DMATFNR_ACC_FN(fifo) (1 << (fifo)) #define DMATFNR_DISDMA 0 /* Device DMA Controller Parameter setting 1 Register (0x1C8) */ #define FOTG210_DMACPSR1 0x1C8 #define DMACPSR1_DMA_LEN(len) (((len) & 0xFFFF) << 8) #define DMACPSR1_DMA_ABORT (1 << 3) #define DMACPSR1_DMA_TYPE(dir_in) (((dir_in) ? 1 : 0) << 1) #define DMACPSR1_DMA_START (1 << 0) /* Device DMA Controller Parameter setting 2 Register (0x1CC) */ #define FOTG210_DMACPSR2 0x1CC /* Device DMA Controller Parameter setting 3 Register (0x1CC) */ #define FOTG210_CXPORT 0x1D0 struct fotg210_request { struct usb_request req; struct list_head queue; }; struct fotg210_ep { struct usb_ep ep; struct fotg210_udc *fotg210; struct list_head queue; unsigned stall:1; unsigned wedged:1; unsigned use_dma:1; unsigned char epnum; unsigned char type; unsigned char dir_in; unsigned int maxp; const struct usb_endpoint_descriptor *desc; }; struct fotg210_udc { spinlock_t lock; /* protect the struct */ void __iomem *reg; unsigned long irq_trigger; struct usb_gadget gadget; struct usb_gadget_driver *driver; struct fotg210_ep *ep[FOTG210_MAX_NUM_EP]; struct usb_request *ep0_req; /* for internal request */ __le16 ep0_data; u8 ep0_dir; /* 0/0x80 out/in */ u8 reenum; /* if re-enumeration */ }; #define gadget_to_fotg210(g) container_of((g), struct fotg210_udc, gadget)Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Yuan-Hsin Chen | 821 | 100.00% | 1 | 100.00% |
| Total | 821 | 100.00% | 1 | 100.00% |