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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smipcie.h (12305B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * SMI PCIe driver for DVBSky cards.
      4 *
      5 * Copyright (C) 2014 Max nibble <nibble.max@gmail.com>
      6 */
      7
      8#ifndef _SMI_PCIE_H_
      9#define _SMI_PCIE_H_
     10
     11#include <linux/i2c.h>
     12#include <linux/i2c-algo-bit.h>
     13#include <linux/init.h>
     14#include <linux/interrupt.h>
     15#include <linux/kernel.h>
     16#include <linux/module.h>
     17#include <linux/pci.h>
     18#include <linux/dma-mapping.h>
     19#include <linux/slab.h>
     20#include <media/rc-core.h>
     21
     22#include <media/demux.h>
     23#include <media/dmxdev.h>
     24#include <media/dvb_demux.h>
     25#include <media/dvb_frontend.h>
     26#include <media/dvb_net.h>
     27#include <media/dvbdev.h>
     28
     29/* -------- Register Base -------- */
     30#define    MSI_CONTROL_REG_BASE                 0x0800
     31#define    SYSTEM_CONTROL_REG_BASE              0x0880
     32#define    PCIE_EP_DEBUG_REG_BASE               0x08C0
     33#define    IR_CONTROL_REG_BASE                  0x0900
     34#define    I2C_A_CONTROL_REG_BASE               0x0940
     35#define    I2C_B_CONTROL_REG_BASE               0x0980
     36#define    ATV_PORTA_CONTROL_REG_BASE           0x09C0
     37#define    DTV_PORTA_CONTROL_REG_BASE           0x0A00
     38#define    AES_PORTA_CONTROL_REG_BASE           0x0A80
     39#define    DMA_PORTA_CONTROL_REG_BASE           0x0AC0
     40#define    ATV_PORTB_CONTROL_REG_BASE           0x0B00
     41#define    DTV_PORTB_CONTROL_REG_BASE           0x0B40
     42#define    AES_PORTB_CONTROL_REG_BASE           0x0BC0
     43#define    DMA_PORTB_CONTROL_REG_BASE           0x0C00
     44#define    UART_A_REGISTER_BASE                 0x0C40
     45#define    UART_B_REGISTER_BASE                 0x0C80
     46#define    GPS_CONTROL_REG_BASE                 0x0CC0
     47#define    DMA_PORTC_CONTROL_REG_BASE           0x0D00
     48#define    DMA_PORTD_CONTROL_REG_BASE           0x0D00
     49#define    AES_RANDOM_DATA_BASE                 0x0D80
     50#define    AES_KEY_IN_BASE                      0x0D90
     51#define    RANDOM_DATA_LIB_BASE                 0x0E00
     52#define    IR_DATA_BUFFER_BASE                  0x0F00
     53#define    PORTA_TS_BUFFER_BASE                 0x1000
     54#define    PORTA_I2S_BUFFER_BASE                0x1400
     55#define    PORTB_TS_BUFFER_BASE                 0x1800
     56#define    PORTB_I2S_BUFFER_BASE                0x1C00
     57
     58/* -------- MSI control and state register -------- */
     59#define MSI_DELAY_TIMER             (MSI_CONTROL_REG_BASE + 0x00)
     60#define MSI_INT_STATUS              (MSI_CONTROL_REG_BASE + 0x08)
     61#define MSI_INT_STATUS_CLR          (MSI_CONTROL_REG_BASE + 0x0C)
     62#define MSI_INT_STATUS_SET          (MSI_CONTROL_REG_BASE + 0x10)
     63#define MSI_INT_ENA                 (MSI_CONTROL_REG_BASE + 0x14)
     64#define MSI_INT_ENA_CLR             (MSI_CONTROL_REG_BASE + 0x18)
     65#define MSI_INT_ENA_SET             (MSI_CONTROL_REG_BASE + 0x1C)
     66#define MSI_SOFT_RESET              (MSI_CONTROL_REG_BASE + 0x20)
     67#define MSI_CFG_SRC0                (MSI_CONTROL_REG_BASE + 0x24)
     68
     69/* -------- Hybird Controller System Control register -------- */
     70#define MUX_MODE_CTRL         (SYSTEM_CONTROL_REG_BASE + 0x00)
     71	#define rbPaMSMask        0x07
     72	#define rbPaMSDtvNoGpio   0x00 /*[2:0], DTV Simple mode */
     73	#define rbPaMSDtv4bitGpio 0x01 /*[2:0], DTV TS2 Serial mode)*/
     74	#define rbPaMSDtv7bitGpio 0x02 /*[2:0], DTV TS0 Serial mode*/
     75	#define rbPaMS8bitGpio    0x03 /*[2:0], GPIO mode selected;(8bit GPIO)*/
     76	#define rbPaMSAtv         0x04 /*[2:0], 3'b1xx: ATV mode select*/
     77	#define rbPbMSMask        0x38
     78	#define rbPbMSDtvNoGpio   0x00 /*[5:3], DTV Simple mode */
     79	#define rbPbMSDtv4bitGpio 0x08 /*[5:3], DTV TS2 Serial mode*/
     80	#define rbPbMSDtv7bitGpio 0x10 /*[5:3], DTV TS0 Serial mode*/
     81	#define rbPbMS8bitGpio    0x18 /*[5:3], GPIO mode selected;(8bit GPIO)*/
     82	#define rbPbMSAtv         0x20 /*[5:3], 3'b1xx: ATV mode select*/
     83	#define rbPaAESEN         0x40 /*[6], port A AES enable bit*/
     84	#define rbPbAESEN         0x80 /*[7], port B AES enable bit*/
     85
     86#define INTERNAL_RST                (SYSTEM_CONTROL_REG_BASE + 0x04)
     87#define PERIPHERAL_CTRL             (SYSTEM_CONTROL_REG_BASE + 0x08)
     88#define GPIO_0to7_CTRL              (SYSTEM_CONTROL_REG_BASE + 0x0C)
     89#define GPIO_8to15_CTRL             (SYSTEM_CONTROL_REG_BASE + 0x10)
     90#define GPIO_16to24_CTRL            (SYSTEM_CONTROL_REG_BASE + 0x14)
     91#define GPIO_INT_SRC_CFG            (SYSTEM_CONTROL_REG_BASE + 0x18)
     92#define SYS_BUF_STATUS              (SYSTEM_CONTROL_REG_BASE + 0x1C)
     93#define PCIE_IP_REG_ACS             (SYSTEM_CONTROL_REG_BASE + 0x20)
     94#define PCIE_IP_REG_ACS_ADDR        (SYSTEM_CONTROL_REG_BASE + 0x24)
     95#define PCIE_IP_REG_ACS_DATA        (SYSTEM_CONTROL_REG_BASE + 0x28)
     96
     97/* -------- IR Control register -------- */
     98#define   IR_Init_Reg         (IR_CONTROL_REG_BASE + 0x00)
     99#define   IR_Idle_Cnt_Low     (IR_CONTROL_REG_BASE + 0x04)
    100#define   IR_Idle_Cnt_High    (IR_CONTROL_REG_BASE + 0x05)
    101#define   IR_Unit_Cnt_Low     (IR_CONTROL_REG_BASE + 0x06)
    102#define   IR_Unit_Cnt_High    (IR_CONTROL_REG_BASE + 0x07)
    103#define   IR_Data_Cnt         (IR_CONTROL_REG_BASE + 0x08)
    104#define   rbIRen            0x80
    105#define   rbIRhighidle      0x10
    106#define   rbIRlowidle       0x00
    107#define   rbIRVld           0x04
    108
    109/* -------- I2C A control and state register -------- */
    110#define I2C_A_CTL_STATUS                 (I2C_A_CONTROL_REG_BASE + 0x00)
    111#define I2C_A_ADDR                       (I2C_A_CONTROL_REG_BASE + 0x04)
    112#define I2C_A_SW_CTL                     (I2C_A_CONTROL_REG_BASE + 0x08)
    113#define I2C_A_TIME_OUT_CNT               (I2C_A_CONTROL_REG_BASE + 0x0C)
    114#define I2C_A_FIFO_STATUS                (I2C_A_CONTROL_REG_BASE + 0x10)
    115#define I2C_A_FS_EN                      (I2C_A_CONTROL_REG_BASE + 0x14)
    116#define I2C_A_FIFO_DATA                  (I2C_A_CONTROL_REG_BASE + 0x20)
    117
    118/* -------- I2C B control and state register -------- */
    119#define I2C_B_CTL_STATUS                 (I2C_B_CONTROL_REG_BASE + 0x00)
    120#define I2C_B_ADDR                       (I2C_B_CONTROL_REG_BASE + 0x04)
    121#define I2C_B_SW_CTL                     (I2C_B_CONTROL_REG_BASE + 0x08)
    122#define I2C_B_TIME_OUT_CNT               (I2C_B_CONTROL_REG_BASE + 0x0C)
    123#define I2C_B_FIFO_STATUS                (I2C_B_CONTROL_REG_BASE + 0x10)
    124#define I2C_B_FS_EN                      (I2C_B_CONTROL_REG_BASE + 0x14)
    125#define I2C_B_FIFO_DATA                  (I2C_B_CONTROL_REG_BASE + 0x20)
    126
    127#define VIDEO_CTRL_STATUS_A	(ATV_PORTA_CONTROL_REG_BASE + 0x04)
    128
    129/* -------- Digital TV control register, Port A -------- */
    130#define MPEG2_CTRL_A		(DTV_PORTA_CONTROL_REG_BASE + 0x00)
    131#define SERIAL_IN_ADDR_A	(DTV_PORTA_CONTROL_REG_BASE + 0x4C)
    132#define VLD_CNT_ADDR_A		(DTV_PORTA_CONTROL_REG_BASE + 0x60)
    133#define ERR_CNT_ADDR_A		(DTV_PORTA_CONTROL_REG_BASE + 0x64)
    134#define BRD_CNT_ADDR_A		(DTV_PORTA_CONTROL_REG_BASE + 0x68)
    135
    136/* -------- DMA Control Register, Port A  -------- */
    137#define DMA_PORTA_CHAN0_ADDR_LOW        (DMA_PORTA_CONTROL_REG_BASE + 0x00)
    138#define DMA_PORTA_CHAN0_ADDR_HI         (DMA_PORTA_CONTROL_REG_BASE + 0x04)
    139#define DMA_PORTA_CHAN0_TRANS_STATE     (DMA_PORTA_CONTROL_REG_BASE + 0x08)
    140#define DMA_PORTA_CHAN0_CONTROL         (DMA_PORTA_CONTROL_REG_BASE + 0x0C)
    141#define DMA_PORTA_CHAN1_ADDR_LOW        (DMA_PORTA_CONTROL_REG_BASE + 0x10)
    142#define DMA_PORTA_CHAN1_ADDR_HI         (DMA_PORTA_CONTROL_REG_BASE + 0x14)
    143#define DMA_PORTA_CHAN1_TRANS_STATE     (DMA_PORTA_CONTROL_REG_BASE + 0x18)
    144#define DMA_PORTA_CHAN1_CONTROL         (DMA_PORTA_CONTROL_REG_BASE + 0x1C)
    145#define DMA_PORTA_MANAGEMENT            (DMA_PORTA_CONTROL_REG_BASE + 0x20)
    146#define VIDEO_CTRL_STATUS_B             (ATV_PORTB_CONTROL_REG_BASE + 0x04)
    147
    148/* -------- Digital TV control register, Port B -------- */
    149#define MPEG2_CTRL_B		(DTV_PORTB_CONTROL_REG_BASE + 0x00)
    150#define SERIAL_IN_ADDR_B	(DTV_PORTB_CONTROL_REG_BASE + 0x4C)
    151#define VLD_CNT_ADDR_B		(DTV_PORTB_CONTROL_REG_BASE + 0x60)
    152#define ERR_CNT_ADDR_B		(DTV_PORTB_CONTROL_REG_BASE + 0x64)
    153#define BRD_CNT_ADDR_B		(DTV_PORTB_CONTROL_REG_BASE + 0x68)
    154
    155/* -------- AES control register, Port B -------- */
    156#define AES_CTRL_B		(AES_PORTB_CONTROL_REG_BASE + 0x00)
    157#define AES_KEY_BASE_B	(AES_PORTB_CONTROL_REG_BASE + 0x04)
    158
    159/* -------- DMA Control Register, Port B  -------- */
    160#define DMA_PORTB_CHAN0_ADDR_LOW        (DMA_PORTB_CONTROL_REG_BASE + 0x00)
    161#define DMA_PORTB_CHAN0_ADDR_HI         (DMA_PORTB_CONTROL_REG_BASE + 0x04)
    162#define DMA_PORTB_CHAN0_TRANS_STATE     (DMA_PORTB_CONTROL_REG_BASE + 0x08)
    163#define DMA_PORTB_CHAN0_CONTROL         (DMA_PORTB_CONTROL_REG_BASE + 0x0C)
    164#define DMA_PORTB_CHAN1_ADDR_LOW        (DMA_PORTB_CONTROL_REG_BASE + 0x10)
    165#define DMA_PORTB_CHAN1_ADDR_HI         (DMA_PORTB_CONTROL_REG_BASE + 0x14)
    166#define DMA_PORTB_CHAN1_TRANS_STATE     (DMA_PORTB_CONTROL_REG_BASE + 0x18)
    167#define DMA_PORTB_CHAN1_CONTROL         (DMA_PORTB_CONTROL_REG_BASE + 0x1C)
    168#define DMA_PORTB_MANAGEMENT            (DMA_PORTB_CONTROL_REG_BASE + 0x20)
    169
    170#define DMA_TRANS_UNIT_188 (0x00000007)
    171
    172/* -------- Macro define of 24 interrupt resource --------*/
    173#define DMA_A_CHAN0_DONE_INT   (0x00000001)
    174#define DMA_A_CHAN1_DONE_INT   (0x00000002)
    175#define DMA_B_CHAN0_DONE_INT   (0x00000004)
    176#define DMA_B_CHAN1_DONE_INT   (0x00000008)
    177#define DMA_C_CHAN0_DONE_INT   (0x00000010)
    178#define DMA_C_CHAN1_DONE_INT   (0x00000020)
    179#define DMA_D_CHAN0_DONE_INT   (0x00000040)
    180#define DMA_D_CHAN1_DONE_INT   (0x00000080)
    181#define DATA_BUF_OVERFLOW_INT  (0x00000100)
    182#define UART_0_X_INT           (0x00000200)
    183#define UART_1_X_INT           (0x00000400)
    184#define IR_X_INT               (0x00000800)
    185#define GPIO_0_INT             (0x00001000)
    186#define GPIO_1_INT             (0x00002000)
    187#define GPIO_2_INT             (0x00004000)
    188#define GPIO_3_INT             (0x00008000)
    189#define ALL_INT                (0x0000FFFF)
    190
    191/* software I2C bit mask */
    192#define SW_I2C_MSK_MODE         0x01
    193#define SW_I2C_MSK_CLK_OUT      0x02
    194#define SW_I2C_MSK_DAT_OUT      0x04
    195#define SW_I2C_MSK_CLK_EN       0x08
    196#define SW_I2C_MSK_DAT_EN       0x10
    197#define SW_I2C_MSK_DAT_IN       0x40
    198#define SW_I2C_MSK_CLK_IN       0x80
    199
    200#define SMI_VID		0x1ADE
    201#define SMI_PID		0x3038
    202#define SMI_TS_DMA_BUF_SIZE	(1024 * 188)
    203
    204struct smi_cfg_info {
    205#define SMI_DVBSKY_S952         0
    206#define SMI_DVBSKY_S950         1
    207#define SMI_DVBSKY_T9580        2
    208#define SMI_DVBSKY_T982         3
    209#define SMI_TECHNOTREND_S2_4200 4
    210	int type;
    211	char *name;
    212#define SMI_TS_NULL             0
    213#define SMI_TS_DMA_SINGLE       1
    214#define SMI_TS_DMA_BOTH         3
    215/* SMI_TS_NULL: not use;
    216 * SMI_TS_DMA_SINGLE: use DMA 0 only;
    217 * SMI_TS_DMA_BOTH:use DMA 0 and 1.*/
    218	int ts_0;
    219	int ts_1;
    220#define DVBSKY_FE_NULL          0
    221#define DVBSKY_FE_M88RS6000     1
    222#define DVBSKY_FE_M88DS3103     2
    223#define DVBSKY_FE_SIT2          3
    224	int fe_0;
    225	int fe_1;
    226	char *rc_map;
    227};
    228
    229struct smi_rc {
    230	struct smi_dev *dev;
    231	struct rc_dev *rc_dev;
    232	char input_phys[64];
    233	char device_name[64];
    234	u8 irData[256];
    235
    236	int users;
    237};
    238
    239struct smi_port {
    240	struct smi_dev *dev;
    241	int idx;
    242	int enable;
    243	int fe_type;
    244	/* regs */
    245	u32 DMA_CHAN0_ADDR_LOW;
    246	u32 DMA_CHAN0_ADDR_HI;
    247	u32 DMA_CHAN0_TRANS_STATE;
    248	u32 DMA_CHAN0_CONTROL;
    249	u32 DMA_CHAN1_ADDR_LOW;
    250	u32 DMA_CHAN1_ADDR_HI;
    251	u32 DMA_CHAN1_TRANS_STATE;
    252	u32 DMA_CHAN1_CONTROL;
    253	u32 DMA_MANAGEMENT;
    254	/* dma */
    255	dma_addr_t dma_addr[2];
    256	u8 *cpu_addr[2];
    257	u32 _dmaInterruptCH0;
    258	u32 _dmaInterruptCH1;
    259	u32 _int_status;
    260	struct tasklet_struct tasklet;
    261	/* dvb */
    262	struct dmx_frontend hw_frontend;
    263	struct dmx_frontend mem_frontend;
    264	struct dmxdev dmxdev;
    265	struct dvb_adapter dvb_adapter;
    266	struct dvb_demux demux;
    267	struct dvb_net dvbnet;
    268	int users;
    269	struct dvb_frontend *fe;
    270	/* frontend i2c module */
    271	struct i2c_client *i2c_client_demod;
    272	struct i2c_client *i2c_client_tuner;
    273};
    274
    275struct smi_dev {
    276	int nr;
    277	struct smi_cfg_info *info;
    278
    279	/* pcie */
    280	struct pci_dev *pci_dev;
    281	u32 __iomem *lmmio;
    282
    283	/* ts port */
    284	struct smi_port ts_port[2];
    285
    286	/* i2c */
    287	struct i2c_adapter i2c_bus[2];
    288	struct i2c_algo_bit_data i2c_bit[2];
    289
    290	/* ir */
    291	struct smi_rc ir;
    292};
    293
    294#define smi_read(reg)             readl(dev->lmmio + ((reg)>>2))
    295#define smi_write(reg, value)     writel((value), dev->lmmio + ((reg)>>2))
    296
    297#define smi_andor(reg, mask, value) \
    298	writel((readl(dev->lmmio+((reg)>>2)) & ~(mask)) |\
    299	((value) & (mask)), dev->lmmio+((reg)>>2))
    300
    301#define smi_set(reg, bit)          smi_andor((reg), (bit), (bit))
    302#define smi_clear(reg, bit)        smi_andor((reg), (bit), 0)
    303
    304int smi_ir_irq(struct smi_rc *ir, u32 int_status);
    305void smi_ir_start(struct smi_rc *ir);
    306void smi_ir_exit(struct smi_dev *dev);
    307int smi_ir_init(struct smi_dev *dev);
    308
    309#endif /* #ifndef _SMI_PCIE_H_ */