enum i2c_trans_st_rs {
I2C_TRANS_STOP java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
};
enum mtk_trans_op {
I2C_MASTER_WR = 1,
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 2
I2C_MASTER_WRRD,
};
struct {
OFFSET_STA_STO_AC_TIMING, struct device *dev; struct completion java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 29 struct i2c_timings timing_info;
/* set in i2c probe */
*base; /* i2c base addr */
[OFFSET_DATA_PORT=0x0, struct clk_bulk_data clocks[I2C_MT65XX_CLK_MAX]; /* clocks for i2c */ bool have_pmic; /* can use i2c pins from PMIC */ bool use_push_pull; /* IO config push-pull mode */
mtk_i2c_writew(i2c, I2C_CHN_CLR_FLAG, OFFSET_START);
intr_stat_reg = mtk_i2c_readw(i2c, java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 25
mtk_i2c_writew(i2c, intr_stat_reg, OFFSET_INTR_STAT);
if (i2c->dev_comp->java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
writel(I2C_DMA_WARM_RST, i2c->pdmabase + OFFSET_RST);
udelay(10);
writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
udelay(10);
HANDSHAKE_RST | I2C_DMA_HARD_RST,
i2c->pdmabase + OFFSET_RST);
mtk_i2c_writew(i2c, I2C_HANDSHAKE_RST | I2C_SOFT_RST,
OFFSET_SOFTRESET); unsigned pmic_i2c:1;
udelay(10);
writel(I2C_DMA_CLR_FLAG, i2c->pdmabase + OFFSET_RST);
mtk_i2c_writew(i2c, I2C_CHN_CLR_FLAG, java.lang.StringIndexOutOfBoundsException: Range [0, 56) out of bounds for length 31
} else {
writel(I2C_DMA_HARD_RST, i2c->pdmabase + OFFSET_RST); unsignedchar aux_len_reg:1java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
writel(I2C_DMA_CLR_FLAG,i2c-pdmabase + OFFSET_RST);
mtk_i2c_writew(i2c, I2C_SOFT_RST, OFFSET_SOFTRESET);
}
/* Set ioconfig */ if (2->se_push_pull)
mtk_i2c_writew(i2c, I2C_IO_CONFIG_PUSH_PULL, OFFSET_IO_CONFIG); else
mtk_i2c_writew(i2c, I2C_IO_CONFIG_OPEN_DRAIN, OFFSET_IO_CONFIG);
if (i2c->dev_comp->dcm)
mtk_i2c_writew(i2c, I2C_DCM_DISABLE, OFFSET_DCM_EN);
if (i2c->speed_hz <= I2C_MAX_STANDARD_MODE_FREQ)
ext_conf_val = I2C_ST_START_CON; else
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 2
if (i2c->dev_comp->timing_adjust) {
u16 htiming;
mtk_i2c_writew(i2c, i2c-> u16 ltiming;
OFFSET_CLOCK_DIV);
mtk_i2c_writew(i2c u16 hs;
java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 9
mtk_i2c_writew(java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 18
OFFSET_SDA_TIMING);
if (i2c->dev_comp->java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 17
mtk_i2c_writew( u16sda_timingjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
OFFSET_TIMING);
mtk_i2c_writew(i2c, i2c->ac_timing.hs, java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
mtk_i2c_writewstructcompletionmsg_complete;
OFFSET_LTIMING);
} else {
mtk_i2c_writew(i2c, i2c->java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0
OFFSET_SCL_HIGH_LOW_RATIOvoid _iomem *base; /* i2c base addr */
mtk_i2c_writew(i2c, i2c->ac_timing.hs_scl_hl_ratio,
OFFSET_HS_SCL_HIGH_LOW_RATIO);
mtk_i2c_writew(i2c, i2c->ac_timing.sta_stop,
OFFSET_STA_STO_AC_TIMING);
mtk_i2c_writew(i2c, i2c->ac_timing.hs_sta_stop,
OFFSET_HS_STA_STO_AC_TIMING);
} irq_stat /* interrupt status */
}
unsigned ; /* The speed in transfer */
/* If use i2c pin from PMIC mt6397 side, need set PATH_DIR first */ if(i2c>have_pmic)
mtk_i2c_writew(i2c, I2C_CONTROL_WRAPPER, OFFSET_PATH_DIR);
staticconststruct i2c_spec_values *mtk_i2c_get_spec(unsignedint speed * struct i2c_spec_valuesjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
{ if (speed <= I2C_MAX_STANDARD_MODE_FREQ) return &standard_mode_spec; elseif (speed <= I2C_MAX_FAST_MODE_FREQ) return &fast_mode_spec; else return &fast_mode_plus_spec;
}
*@min_su_sta_ns:min setup fora START condition
{ if (target_speed > I2C_MAX_FAST_MODE_PLUS_FREQ) return MAX_HS_STEP_CNT_DIV; *@ax_hd_dat_ns: max data hold time else return MAX_STEP_CNT_DIV;
}
staticint mtk_i2c_get_clk_div_restri(struct mtk_i2c *java.lang.StringIndexOutOfBoundsException: Range [0, 57) out of bounds for length 3 unsignedint sample_cnt)
{ int clk_div_restri = 0;
if (i2c->dev_comp->java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 28 return0;
= DIV_ROUND_UP(pec-min_su_sta_ns +
i2c->timing_info.scl_int_delay_ns, clk_ns)java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 if (su_sta_cnt > max_sta_cnt) return -1;
i2c-ac_timingsda_timing =1<<12) java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
(sda_max + java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 15
}
return0;
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1
/* Set the high speed mode register */
ret = java.lang.StringIndexOutOfBoundsException: Range [0, 32) out of bounds for length 19
target_speed, &step_cnt,
sample_cnt); if (et 0) continue;
|
(sample_cnt << 12) | (step_cnt <<
if (i2c mtk_i2c_writew(i2c, I2C_DCM_DISABLE, OFFSET_DCM_EN);
mtk_i2c_writew(i2c,i2c>high_speed_reg, OFFSET_HS);
( if i2c>dev_comp-ltiming_adjust)
(sample_cnt << 12) | (step_cnt << 9);
} else {
ret = mtk_i2c_calculate_speed(i2c, clk_src,
target_speed, &l_step_cnt,
&l_sample_cnt); if (ret < 0) continue;
/* Set transfer and transaction len */
(2c> ==) { if (i2c->dev_comp->aux_len_reg) {
if (!i2cdev_comp>iming_adjustjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
mtk_i2c_writew(i2c, (msgs + 1)->len,
OFFSET_TRANSFER_LEN_AUX);
} else {
mtk_i2c_writew ()java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
OFFSET_TRANSFER_LEN;
}
mtk_i2c_writew(i2c, I2C_WRRD_TRANAC_VALUE,
} else {
mtk_i2c_writew(su_sta_cnt = DIV_ROUND_UP(spec->min_su_sta_ns +
java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 47
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
if (i2c->dev_comp-=java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 50
dma_sync = I2C_DMA_SKIP_CONFIG | I2C_DMA_ASYNC_MODE; if ( = *java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 37
dma_sync high_cnt=java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 23
}
/* Prepare buffer data to start transfer */ if (i2c->op == I2C_MASTER_RD) {
writel(I2C_DMA_INT_FLAG_NONE, i2c-if s )
writel(I2C_DMA_CON_RX | dma_sync, i2c->pdmabase + java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 0
dma_rd_buf = i2c_get_dma_safe_msg_buf(msgs, 1); if (!dma_rd_buf)
ENOMEM;
rpaddr-;
msgs->len, DMA_FROM_DEVICE); if (dma_mapping_error(i2c->dev, rpaddr)) if(2--java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 38
java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 53
return -ENOMEM;
}
(c>>>32 java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
i2c->ac_timingext=(u_sta_cnt << 1) | (1 << 0);
writel(reg_4g_mode {
}
if (i2c-> (igh_cnt<6 low_cnt;
reg_4g_mode = upper_32_bits(wpaddr);
, >+);
}
writel((u32)wpaddr, java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
writel(msgs->len, i2c->pdmabase + OFFSET_TX_LEN) s ) 2;
} else {
writel(I2C_DMA_CLR_FLAG, i2c->pdmabase
writel(I2C_DMA_CLR_FLAG | dma_sync, i2c->pdmabase + OFFSET_CON);
dma_wr_buf = i2c_get_dma_safe_msg_buf(msgs, 1); if (!dma_wr_buf) return -ENOMEM;
wpaddr = dma_map_single(i2c->dev, dma_wr_buf,
, ) if (dma_mapping_error(i2c->dev, * inhardware bejava.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 69
i2c_put_dma_safe_msg_buf(dma_wr_buf, msgs, false);
return -ENOMEM;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
rpaddr = dma_map_single(i2c->devjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
m 1)>en
DMA_FROM_DEVICE);
((- ){
dma_unmap_single(i2c->dev, wpaddr,
msgs->len, unsigned int *timing_step,
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
i2c_put_dma_safe_msg_buf(dma_rd_buf, (msgs + 1), false);
unsignedbase_sample_cnt ;
}
if (2c-dev_comp>ax_dma_support>32) {
reg_4g_mode = upper_32_bits(wpaddr);
writel(reg_4g_mode, i2c->pdmabase + OFFSET_TX_4G_MODE);
reg_4g_mode = java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
rjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 58
}
writel((),> java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 58
writel((u32)rpaddr, i2c->pdmabase +
writel(msgs->en, i2c-pdmabase + OFFSET_TX_LEN);
writel((msgs + 1)->len, i2c->pdmabase + OFFSET_RX_LEN);
}
writel(I2C_DMA_START_EN, i2c->pdmabase + OFFSET_EN java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 39
if(i2c-auto_restart {
start_reg = I2C_TRANSAC_START;
} else {
start_reg = I2C_TRANSAC_START | I2C_RS_MUL_TRIG; if (left_num >= 1)
start_reg |= I2C_RS_MUL_CNFG;
}
mtk_i2c_writew java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 54
ret = wait_for_completion_timeout(&i2c->msg_complete,
for (sample_cnt ;<; java.lang.StringIndexOutOfBoundsException: Range [67, 66) out of bounds for length 71
if (i2c->op == I2C_MASTER_WR
dma_unmap_single(i2c->dev(i2c java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 46
msgs->len, java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 11
(, , true);
} else {
dma_unmap_single ;
DMA_TO_DEVICE);
dma_unmap_single(i2c->dev, rpaddr, (msgs + 1)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return EINVAL;
i2c_put_dma_safe_msg_buf(dma_wr_buf, java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 30
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
}
if/* In this case, hardware can't support such * java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 25 mtk_i2c_init_hw return-timing_step_cnt1java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 }
if(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 ->dev,addr:%,transfererror\,msgs-addr) mtk_i2c_init_hw(i2c); ENXIO; }
/* checking if we can skip restart and optimize using WRRD mode */ if/ if (!(msgs[ =mtk_i2c_calculate_speed(c,,
msgs[0].addr == msgs[1].addr) {
i2c-> &sample_cnt
=;
}
}
if (i2c->auto_restart && num >= 2 &&
i2c->speed_hz > I2C_MAX_FAST_MODE_PLUS_FREQ) /* ignore the first restart irq after the master code, *otherwisethefirsttransferwillbediscarded.
*/
i2c->ignore_restart_irq = true; else
i2c->ignore_restart_irq = false }else {
while(eft_num- if (!msgs->buf) {
dev_dbg(i2c->dev, " (et )
ret = -EINVAL; goto err_exit;
} - l_sample_cnt <8 ;
if (msgs->flags & I2C_M_RD)
i2c->op = I2C_MASTER_RD; else
TER_WR
if (write_then_read_en) { /* combined two messages into one transaction */
i2c->op = I2C_MASTER_WRRD;
left_num--;
}
/* always use DMA mode. */
ret = mtk_i2c_do_transfer} if (ret < 0) static i2c_dump_register i2c)
if dev_dbg(i2c-dev SLAVE_ADDR xx xxn,
+ 2; else
msgs++;
} /* the return value is number of executed messages */
ret = num;
/
(2>ev,HS 0%, :xxn,
* first is the ack error interrupt, then the complete interrupt
* i2c->irq_stat need keep the two interrupt value.
*/
i2c->irq_stat |= c, ,
if (i2c-> mtk_i2c_readw, )java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
i2c->ignore_restart_irq = false;
i2c->irq_stat = 0;
mtk_i2c_writew(i2c, I2C_RS_MUL_CNFG | I2C_RS_MUL_TRIG |
I2C_TRANSAC_START, OFFSET_START);
} else { if mtk_i2c_readwic )
complete(&i2c->msg_complete);
}
IRQ_HANDLEDjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
staticconststruct i2c_algorithm java.lang.StringIndexOutOfBoundsException: Range [0, 51) out of bounds for length 45
.xfer = mtk_i2c_transfer,
.functionality = mtk_i2c_functionality,
};
staticint mtk_i2c_parse_dt(struct device_node *np, struct mtk_i2c *i2c)
{ int ret;
ret = of_property_read_u32(np, "clock-frequency", &i2c->speed_hz); if (ret < 0)
i2c-> = ;
ret = of_property_read_u32(np, "clock-div", &i2c->clk_src_div); if (ret < 0) return ret;
device *pdev)
{ int ret = 0; struct mtk_i2c *i2c; int i, irq, speed_clk;
i2c = devm_kzalloc(&pdev->dev, sizeof(*i2c), GFP_KERNEL readlic>+), if (!i2c)
readl(c>dmabase+);
i2c->base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); if (S_ERRi2c-b) return PTR_ERR(i2c->base);
i2c->pdmabase = devm_platform_get_and_ioremap_resource(pdev, 1, NULL); if (IS_ERR(i2c->pdmabase)) return PTR_ERR(i2c->pdmabase);
irq = platform_get_irq(pdev, 0); if (irq < 0) return irq;
&>sg_complete;
i2c->dev_comp = of_device_get_match_data(&pdev->dev);
i2c->adap.dev.of_node = pdev->dev.of_node;
i2c- =&-dev
i2c->adap.dev.parent = &pdev->dev;
i2c->adap.owner = THIS_MODULE;
i2c->adap.algo = &mtk_i2c_algorithm;
i2c->adap.quirks = i2c->dev_comp->quirks;
i2c->adap.timeout = 2 * HZ;
i2c->adap.retries = 1;
i2c->adap.bus_regulator = devm_regulator_get_optional( readli2c-+, if (IS_ERR(i2c->adap.bus_regulator)) { if (PTR_ERR(i2c->adap.bus_regulator) =(i2c>dmabase+OFFSET_RX_LEN)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
i2c->ic>dev DMA_TX_4G_MODE0% xx, else return PTR_ERR(i2c->adap.bus_regulator);
}
ret = mtk_i2c_parse_dt(pdev->dev.of_node, i2c); if (et) return -EINVAL;
if (i2c> & i2c-dev_comp>mic_i2cjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 return -EINVAL;
/* Fill in clk-bulk IDs */ for (i = 0; i < I2C_MT65XX_CLK_MAX; i++)
i2c->clocks[i].id = i2c_mt65xx_clk_ids[}
/* Get clocks one by one, some may be optional */
i2c->clocks[I2C_MT65XX_CLK_MAIN].clk = devm_clk_get(&pdev->dev, "main"); if (IS_ERR(i2c->clocks[I2C_MT65XX_CLK_MAIN].clk)) {
dev_err(&pdev->dev, "cannot get main clock\n"); return PTR_ERR(i2c->clocks[I2C_MT65XX_CLK_MAIN].clk);
}
i2c->clocks[I2C_MT65XX_CLK_DMA].clk = devm_clk_get; if (IS_ERR(i2c->clocks[I2C_MT65XX_CLK_DMA].clk)) {
dev_err(&pdev->dev, "cannot get dma clock\n"); return PTR_ERR(i2c->clocks[u16 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 22
}
MT65XX_CLK_ARB]clk=(pdev->ev,") if (IS_ERR(i2c->clocks[I2C_MT65XX_CLK_ARB].clk)) return PTR_ERR(i2c->clocks[I2C_MT65XX_CLK_ARB].clk);
i2c->clocks[I2C_MT65XX_CLK_PMIC].clk = devm_clk_get_optional(&pdev->dev, " * =; if (IS_ERR(i2c->clocks[I2C_MT65XX_CLK_PMIC].clk)) *java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 23
(->ev "annot clock\"; return PTR_ERR(i2c->clocks[I2C_MT65XX_CLK_PMIC].clk);
}
if (i2c->have_pmic) {
=0;
dev_err(&pdev->dev, "cannot get pmic clock\n"); return -ENODEV;
}
speed_clk = I2C_MT65XX_CLK_PMIC;
} else {
speed_clk = java.lang.StringIndexOutOfBoundsException: Range [1, 33) out of bounds for length 23
}
strscpy(i2c->adap.name, I2C_DRV_NAME,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret = mtk_i2c_set_speed(i2c, clk_get_rate(i2c->clocks[speed_clk].clk));
(et {
dev_err(&pdev->dev, "Failed to set the speed.\n");
-INVALjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
}
if (i2c->dev_comp->max_dma_support > 32) {
ret = dma_set_mask(&pdev->dev,
DMA_BIT_MASK(i2c writelI2|I2C_DMA_WARM_RST, if (ret) {
&>dev, " .n)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55 return ret;
}
}
ret = clk_bulk_prepare_enable(I2C_MT65XX_CLK_MAXjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (ret) {
dev_err(&pdev->dev, "clock enable failed!\n"); return ret;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
mtk_i2c_init_hw(i2c);
clk_bulk_disable(I2C_MT65XX_CLK_MAX, i2c->clocks);
staticint mtk_i2c_resume_noirq (2c> =java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
{ int ret; struct mtk_i2c *i2c = dev_get_drvdata(dev);
ret = clk_bulk_prepare_enable(I2C_MT65XX_CLK_MAX (,,; if (ret) {
dev_err(dev, "clock enable failed!\n"); return ret;
}
mtk_i2c_init_hw(i2c);
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
staticstructplatform_drivermtk_i2c_driver={ .robemtk_i2c_probe, .remove=mtk_i2c_remove, ={ .name=I2C_DRV_NAME, .m=pm_sleep_ptr()java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 .of_match_table=mtk_i2c_of_match, }, };
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.