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sr100: Decide the normal read or ext

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UCI_MT_MASK is add in D35 to read the normal mode data or extended
mode data calculation.

Propagate_From (CR)

Change-Id: Ica2701d26cc780d46587bfd08b0265626c6ff2cf
Signed-off-by: Srihari Sathyanarayana <sriharis@motorola.com>
Reviewed-on: https://gerrit.mot.com/2468566
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Vijayakumar Gn <vijaygn@motorola.com>
Reviewed-by: Tao Sun <suntao2@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
kalathik 2022-05-05 18:23:08 +05:30 • committed by Srihari Sathyanarayana
commit acefd93782
1 changed files with 13 additions and 6 deletions
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19
drivers/uwb/sr100/sr100.c
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@ -64,6 +64,7 @@ static bool is_fw_dwnld_enabled = false;
#define SR100_RXBUF_SIZE 4096
#define SR100_MAX_TX_BUF_SIZE 2053
#define MAX_READ_RETRY_COUNT 10
#define UCI_MT_MASK 0xE0
/* Macro to define SPI clock frequency */
#define SR100_SPI_CLOCK 16000000L;
@ -472,13 +473,19 @@ static int sr100_dev_transceive(struct sr100_dev* sr100_dev, int op_mode, int co
pr_info("sr100_dev_read: spi read error %d\n ", ret);
goto transcive_end;
}
sr100_dev->IsExtndLenIndication = (sr100_dev->rx_buffer[EXTND_LEN_INDICATOR_OFFSET] & EXTND_LEN_INDICATOR_OFFSET_MASK);
sr100_dev->totalBtyesToRead = sr100_dev->rx_buffer[NORMAL_MODE_LEN_OFFSET];
if(sr100_dev->IsExtndLenIndication){
if ((sr100_dev->rx_buffer[0] & UCI_MT_MASK) == 0) {
sr100_dev->totalBtyesToRead = sr100_dev->rx_buffer[NORMAL_MODE_LEN_OFFSET];
sr100_dev->totalBtyesToRead = ((sr100_dev->totalBtyesToRead << 8) | sr100_dev->rx_buffer[EXTENDED_LENGTH_OFFSET]);
} else {
sr100_dev->IsExtndLenIndication = (sr100_dev->rx_buffer[EXTND_LEN_INDICATOR_OFFSET] & EXTND_LEN_INDICATOR_OFFSET_MASK);
sr100_dev->totalBtyesToRead = sr100_dev->rx_buffer[NORMAL_MODE_LEN_OFFSET];
if (sr100_dev->IsExtndLenIndication) {
sr100_dev->totalBtyesToRead = ((sr100_dev->totalBtyesToRead << 8) | sr100_dev->rx_buffer[EXTENDED_LENGTH_OFFSET]);
}
}
if(sr100_dev->totalBtyesToRead > MAX_UCI_PKT_SIZE) {
printk("Length %d exceeds the max limit %d....",(int)sr100_dev->totalBtyesToRead,(int)SR100_RXBUF_SIZE);
if(sr100_dev->totalBtyesToRead > (MAX_UCI_PKT_SIZE - NORMAL_MODE_HEADER_LEN)) {
printk("Length %d exceeds the max limit %d....",(int)sr100_dev->totalBtyesToRead,(int)MAX_UCI_PKT_SIZE);
ret = -1;
goto transcive_end;
}
@ -495,7 +502,7 @@ static int sr100_dev_transceive(struct sr100_dev* sr100_dev, int op_mode, int co
usleep_range(10,15);
retry_count++;
if(retry_count == 1000){
printk("Slave not released the IRQ even after 1ms");
printk("Slave not released the IRQ even after 10ms");
break;
}
}while(gpio_get_value(sr100_dev->irq_gpio));