cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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c8sectpfe-core.h (9795B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * c8sectpfe-core.h - C8SECTPFE STi DVB driver
      4 *
      5 * Copyright (c) STMicroelectronics 2015
      6 *
      7 *   Author:Peter Bennett <peter.bennett@st.com>
      8 *	    Peter Griffin <peter.griffin@linaro.org>
      9 *
     10 */
     11#ifndef _C8SECTPFE_CORE_H_
     12#define _C8SECTPFE_CORE_H_
     13
     14#define C8SECTPFEI_MAXCHANNEL 16
     15#define C8SECTPFEI_MAXADAPTER 3
     16
     17#define C8SECTPFE_MAX_TSIN_CHAN 8
     18
     19struct channel_info {
     20
     21	int tsin_id;
     22	bool invert_ts_clk;
     23	bool serial_not_parallel;
     24	bool async_not_sync;
     25	int i2c;
     26	int dvb_card;
     27
     28	int rst_gpio;
     29
     30	struct i2c_adapter  *i2c_adapter;
     31	struct i2c_adapter  *tuner_i2c;
     32	struct i2c_adapter  *lnb_i2c;
     33	struct i2c_client   *i2c_client;
     34	struct dvb_frontend *frontend;
     35
     36	struct pinctrl_state *pstate;
     37
     38	int demux_mapping;
     39	int active;
     40
     41	void *back_buffer_start;
     42	void *back_buffer_aligned;
     43	dma_addr_t back_buffer_busaddr;
     44
     45	void *pid_buffer_start;
     46	void *pid_buffer_aligned;
     47	dma_addr_t pid_buffer_busaddr;
     48
     49	unsigned long  fifo;
     50
     51	struct completion idle_completion;
     52	struct tasklet_struct tsklet;
     53
     54	struct c8sectpfei *fei;
     55	void __iomem *irec;
     56
     57};
     58
     59struct c8sectpfe_hw {
     60	int num_ib;
     61	int num_mib;
     62	int num_swts;
     63	int num_tsout;
     64	int num_ccsc;
     65	int num_ram;
     66	int num_tp;
     67};
     68
     69struct c8sectpfei {
     70
     71	struct device *dev;
     72	struct pinctrl *pinctrl;
     73
     74	struct dentry *root;
     75	struct debugfs_regset32	*regset;
     76	struct completion fw_ack;
     77	atomic_t fw_loaded;
     78
     79	int tsin_count;
     80
     81	struct c8sectpfe_hw hw_stats;
     82
     83	struct c8sectpfe *c8sectpfe[C8SECTPFEI_MAXADAPTER];
     84
     85	int mapping[C8SECTPFEI_MAXCHANNEL];
     86
     87	struct mutex lock;
     88
     89	struct timer_list timer;	/* timer interrupts for outputs */
     90
     91	void __iomem *io;
     92	void __iomem *sram;
     93
     94	unsigned long sram_size;
     95
     96	struct channel_info *channel_data[C8SECTPFE_MAX_TSIN_CHAN];
     97
     98	struct clk *c8sectpfeclk;
     99	int nima_rst_gpio;
    100	int nimb_rst_gpio;
    101
    102	int idle_irq;
    103	int error_irq;
    104
    105	int global_feed_count;
    106};
    107
    108/* C8SECTPFE SYS Regs list */
    109
    110#define SYS_INPUT_ERR_STATUS	0x0
    111#define SYS_OTHER_ERR_STATUS	0x8
    112#define SYS_INPUT_ERR_MASK	0x10
    113#define SYS_OTHER_ERR_MASK	0x18
    114#define SYS_DMA_ROUTE		0x20
    115#define SYS_INPUT_CLKEN		0x30
    116#define IBENABLE_MASK			0x7F
    117
    118#define SYS_OTHER_CLKEN		0x38
    119#define TSDMAENABLE			BIT(1)
    120#define MEMDMAENABLE			BIT(0)
    121
    122#define SYS_CFG_NUM_IB		0x200
    123#define SYS_CFG_NUM_MIB		0x204
    124#define SYS_CFG_NUM_SWTS	0x208
    125#define SYS_CFG_NUM_TSOUT	0x20C
    126#define SYS_CFG_NUM_CCSC	0x210
    127#define SYS_CFG_NUM_RAM		0x214
    128#define SYS_CFG_NUM_TP		0x218
    129
    130/* Input Block Regs */
    131
    132#define C8SECTPFE_INPUTBLK_OFFSET	0x1000
    133#define C8SECTPFE_CHANNEL_OFFSET(x)	((x*0x40) + C8SECTPFE_INPUTBLK_OFFSET)
    134
    135#define C8SECTPFE_IB_IP_FMT_CFG(x)      (C8SECTPFE_CHANNEL_OFFSET(x) + 0x00)
    136#define C8SECTPFE_IGNORE_ERR_AT_SOP     BIT(7)
    137#define C8SECTPFE_IGNORE_ERR_IN_PKT     BIT(6)
    138#define C8SECTPFE_IGNORE_ERR_IN_BYTE    BIT(5)
    139#define C8SECTPFE_INVERT_TSCLK          BIT(4)
    140#define C8SECTPFE_ALIGN_BYTE_SOP        BIT(3)
    141#define C8SECTPFE_ASYNC_NOT_SYNC        BIT(2)
    142#define C8SECTPFE_BYTE_ENDIANNESS_MSB    BIT(1)
    143#define C8SECTPFE_SERIAL_NOT_PARALLEL   BIT(0)
    144
    145#define C8SECTPFE_IB_SYNCLCKDRP_CFG(x)   (C8SECTPFE_CHANNEL_OFFSET(x) + 0x04)
    146#define C8SECTPFE_SYNC(x)                (x & 0xf)
    147#define C8SECTPFE_DROP(x)                ((x<<4) & 0xf)
    148#define C8SECTPFE_TOKEN(x)               ((x<<8) & 0xff00)
    149#define C8SECTPFE_SLDENDIANNESS          BIT(16)
    150
    151#define C8SECTPFE_IB_TAGBYTES_CFG(x)     (C8SECTPFE_CHANNEL_OFFSET(x) + 0x08)
    152#define C8SECTPFE_TAG_HEADER(x)          (x << 16)
    153#define C8SECTPFE_TAG_COUNTER(x)         ((x<<1) & 0x7fff)
    154#define C8SECTPFE_TAG_ENABLE             BIT(0)
    155
    156#define C8SECTPFE_IB_PID_SET(x)          (C8SECTPFE_CHANNEL_OFFSET(x) + 0x0C)
    157#define C8SECTPFE_PID_OFFSET(x)          (x & 0x3f)
    158#define C8SECTPFE_PID_NUMBITS(x)         ((x << 6) & 0xfff)
    159#define C8SECTPFE_PID_ENABLE             BIT(31)
    160
    161#define C8SECTPFE_IB_PKT_LEN(x)          (C8SECTPFE_CHANNEL_OFFSET(x) + 0x10)
    162
    163#define C8SECTPFE_IB_BUFF_STRT(x)        (C8SECTPFE_CHANNEL_OFFSET(x) + 0x14)
    164#define C8SECTPFE_IB_BUFF_END(x)         (C8SECTPFE_CHANNEL_OFFSET(x) + 0x18)
    165#define C8SECTPFE_IB_READ_PNT(x)         (C8SECTPFE_CHANNEL_OFFSET(x) + 0x1C)
    166#define C8SECTPFE_IB_WRT_PNT(x)          (C8SECTPFE_CHANNEL_OFFSET(x) + 0x20)
    167
    168#define C8SECTPFE_IB_PRI_THRLD(x)        (C8SECTPFE_CHANNEL_OFFSET(x) + 0x24)
    169#define C8SECTPFE_PRI_VALUE(x)           (x & 0x7fffff)
    170#define C8SECTPFE_PRI_LOWPRI(x)          ((x & 0xf) << 24)
    171#define C8SECTPFE_PRI_HIGHPRI(x)         ((x & 0xf) << 28)
    172
    173#define C8SECTPFE_IB_STAT(x)             (C8SECTPFE_CHANNEL_OFFSET(x) + 0x28)
    174#define C8SECTPFE_STAT_FIFO_OVERFLOW(x)  (x & 0x1)
    175#define C8SECTPFE_STAT_BUFFER_OVERFLOW(x) (x & 0x2)
    176#define C8SECTPFE_STAT_OUTOFORDERRP(x)   (x & 0x4)
    177#define C8SECTPFE_STAT_PID_OVERFLOW(x)   (x & 0x8)
    178#define C8SECTPFE_STAT_PKT_OVERFLOW(x)   (x & 0x10)
    179#define C8SECTPFE_STAT_ERROR_PACKETS(x)  ((x >> 8) & 0xf)
    180#define C8SECTPFE_STAT_SHORT_PACKETS(x)  ((x >> 12) & 0xf)
    181
    182#define C8SECTPFE_IB_MASK(x)             (C8SECTPFE_CHANNEL_OFFSET(x) + 0x2C)
    183#define C8SECTPFE_MASK_FIFO_OVERFLOW     BIT(0)
    184#define C8SECTPFE_MASK_BUFFER_OVERFLOW   BIT(1)
    185#define C8SECTPFE_MASK_OUTOFORDERRP(x)   BIT(2)
    186#define C8SECTPFE_MASK_PID_OVERFLOW(x)   BIT(3)
    187#define C8SECTPFE_MASK_PKT_OVERFLOW(x)   BIT(4)
    188#define C8SECTPFE_MASK_ERROR_PACKETS(x)  ((x & 0xf) << 8)
    189#define C8SECTPFE_MASK_SHORT_PACKETS(x)  ((x & 0xf) >> 12)
    190
    191#define C8SECTPFE_IB_SYS(x)              (C8SECTPFE_CHANNEL_OFFSET(x) + 0x30)
    192#define C8SECTPFE_SYS_RESET              BIT(1)
    193#define C8SECTPFE_SYS_ENABLE             BIT(0)
    194
    195/*
    196 * Pointer record data structure required for each input block
    197 * see Table 82 on page 167 of functional specification.
    198 */
    199
    200#define DMA_PRDS_MEMBASE	0x0 /* Internal sram base address */
    201#define DMA_PRDS_MEMTOP		0x4 /* Internal sram top address */
    202
    203/*
    204 * TS packet size, including tag bytes added by input block,
    205 * rounded up to the next multiple of 8 bytes. The packet size,
    206 * including any tagging bytes and rounded up to the nearest
    207 * multiple of 8 bytes must be less than 255 bytes.
    208 */
    209#define DMA_PRDS_PKTSIZE	0x8
    210#define DMA_PRDS_TPENABLE	0xc
    211
    212#define TP0_OFFSET		0x10
    213#define DMA_PRDS_BUSBASE_TP(x)	((0x10*x) + TP0_OFFSET)
    214#define DMA_PRDS_BUSTOP_TP(x)	((0x10*x) + TP0_OFFSET + 0x4)
    215#define DMA_PRDS_BUSWP_TP(x)	((0x10*x) + TP0_OFFSET + 0x8)
    216#define DMA_PRDS_BUSRP_TP(x)	((0x10*x) + TP0_OFFSET + 0xc)
    217
    218#define DMA_PRDS_SIZE		(0x20)
    219
    220#define DMA_MEMDMA_OFFSET	0x4000
    221#define DMA_IMEM_OFFSET		0x0
    222#define DMA_DMEM_OFFSET		0x4000
    223#define DMA_CPU			0x8000
    224#define DMA_PER_OFFSET		0xb000
    225
    226#define DMA_MEMDMA_DMEM (DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET)
    227#define DMA_MEMDMA_IMEM (DMA_MEMDMA_OFFSET + DMA_IMEM_OFFSET)
    228
    229/* XP70 Slim core regs */
    230#define DMA_CPU_ID	(DMA_MEMDMA_OFFSET + DMA_CPU + 0x0)
    231#define DMA_CPU_VCR	(DMA_MEMDMA_OFFSET + DMA_CPU + 0x4)
    232#define DMA_CPU_RUN	(DMA_MEMDMA_OFFSET + DMA_CPU + 0x8)
    233#define DMA_CPU_CLOCKGATE	(DMA_MEMDMA_OFFSET + DMA_CPU + 0xc)
    234#define DMA_CPU_PC	(DMA_MEMDMA_OFFSET + DMA_CPU + 0x20)
    235
    236/* Enable Interrupt for a IB */
    237#define DMA_PER_TPn_DREQ_MASK	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xd00)
    238/* Ack interrupt by setting corresponding bit */
    239#define DMA_PER_TPn_DACK_SET	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xd80)
    240#define DMA_PER_TPn_DREQ	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xe00)
    241#define DMA_PER_TPn_DACK	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xe80)
    242#define DMA_PER_DREQ_MODE	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xf80)
    243#define DMA_PER_STBUS_SYNC	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xf88)
    244#define DMA_PER_STBUS_ACCESS	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xf8c)
    245#define DMA_PER_STBUS_ADDRESS	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xf90)
    246#define DMA_PER_IDLE_INT	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfa8)
    247#define DMA_PER_PRIORITY	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfac)
    248#define DMA_PER_MAX_OPCODE	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfb0)
    249#define DMA_PER_MAX_CHUNK	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfb4)
    250#define DMA_PER_PAGE_SIZE	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfbc)
    251#define DMA_PER_MBOX_STATUS	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfc0)
    252#define DMA_PER_MBOX_SET	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfc8)
    253#define DMA_PER_MBOX_CLEAR	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfd0)
    254#define DMA_PER_MBOX_MASK	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfd8)
    255#define DMA_PER_INJECT_PKT_SRC	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfe0)
    256#define DMA_PER_INJECT_PKT_DEST	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfe4)
    257#define DMA_PER_INJECT_PKT_ADDR	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfe8)
    258#define DMA_PER_INJECT_PKT	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xfec)
    259#define DMA_PER_PAT_PTR_INIT	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xff0)
    260#define DMA_PER_PAT_PTR		(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xff4)
    261#define DMA_PER_SLEEP_MASK	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xff8)
    262#define DMA_PER_SLEEP_COUNTER	(DMA_MEMDMA_OFFSET + DMA_PER_OFFSET + 0xffc)
    263/* #define DMA_RF_CPUREGn	DMA_RFBASEADDR n=0 to 15) slim regsa */
    264
    265/* The following are from DMA_DMEM_BaseAddress */
    266#define DMA_FIRMWARE_VERSION	(DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x0)
    267#define DMA_PTRREC_BASE		(DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x4)
    268#define DMA_PTRREC_INPUT_OFFSET	(DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x8)
    269#define DMA_ERRREC_BASE		(DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0xc)
    270#define DMA_ERROR_RECORD(n)	((n*4) + DMA_ERRREC_BASE + 0x4)
    271#define DMA_IDLE_REQ		(DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x10)
    272#define IDLEREQ			BIT(31)
    273
    274#define DMA_FIRMWARE_CONFIG	(DMA_MEMDMA_OFFSET + DMA_DMEM_OFFSET + 0x14)
    275
    276/* Regs for PID Filter */
    277
    278#define PIDF_OFFSET		0x2800
    279#define PIDF_BASE(n)		((n*4) + PIDF_OFFSET)
    280#define PIDF_LEAK_ENABLE	(PIDF_OFFSET + 0x100)
    281#define PIDF_LEAK_STATUS	(PIDF_OFFSET + 0x108)
    282#define PIDF_LEAK_COUNT_RESET	(PIDF_OFFSET + 0x110)
    283#define PIDF_LEAK_COUNTER	(PIDF_OFFSET + 0x114)
    284
    285#endif /* _C8SECTPFE_CORE_H_ */