#include <linux/spi/spi.h>
#include <mach/gpio.h>
#include "smscoreapi.h"
+#include <linux/notifier.h>
-#include <mach/iomux.h>
-
-
-#define SSP_PORT 1
-#define SSP_CKEN CKEN_SSP1
-#define SMS_IRQ_GPIO MFP_PIN_GPIO5
-
-#if (SSP_PORT == 1)
-#define SDCMR_RX DRCMRRXSSDR
-#define SDCMR_TX DRCMRTXSSDR
-#else
-#if (SSP_PORT == 2)
-#define SDCMR_RX DRCMR15
-#define SDCMR_TX DRCMR16
-#else
-#if (SSP_PORT == 3)
-#define SDCMR_RX DRCMR66
-#define SDCMR_TX DRCMR67
-#else
-#if (SSP_PORT == 4)
-#define SDCMR_RX DRCMRRXSADR
-#define SDCMR_TX DRCMRTXSADR
-#endif
-#endif
-#endif
-#endif
-
+//#define CMMB_1186_SPIIRQ RK2818_PIN_PE1 //This Pin is SDK Board GPIOPortE_Pin1
+//#define CMMB_1186_PWR_EN GPIOPortH_Pin7//This Pin is SDK Board GPIOPortE_Pin1
-/* Macros defining physical layer behaviour*/
-#ifdef PXA_310_LV
-#define CLOCK_FACTOR 1
-//#define CLOCK_FACTOR 2
-#else /*PXA_310_LV */
-#define CLOCK_FACTOR 2
-#endif /*PXA_310_LV */
-/* Macros for coding reuse */
/*! macro to align the divider to the proper offset in the register bits */
#define CLOCK_DIVIDER(i)((i-1)<<8) /* 1-4096 */
-/*! DMA related macros */
-#define DMA_INT_MASK (DCSR_ENDINTR | DCSR_STARTINTR | DCSR_BUSERR)
-#define RESET_DMA_CHANNEL (DCSR_NODESC | DMA_INT_MASK)
-
-#define SSP_TIMEOUT_SCALE (769)
-#define SSP_TIMEOUT(x) ((x*10000)/SSP_TIMEOUT_SCALE)
#define SPI_PACKET_SIZE 256
-
-// in android platform 2.6.25 , need to check the Reg bit by bit later
-#define GSDR(x) __REG2(0x40e00400, ((x) & 0x60) >> 3)
-#define GCDR(x) __REG2(0x40300420, ((x) & 0x60) >> 3)
-
-#define GSRER(x) __REG2(0x40e00440, ((x) & 0x60) >> 3)
-#define GCRER(x) __REG2(0x40e00460, ((x) & 0x60) >> 3)
-
-
-#define GPIO_DIR_IN 0
-
-#define SSCR0_P1 __REG(0x41000000) /* SSP Port 1 Control Register 0 */
-#define SSCR1_P1 __REG(0x41000004) /* SSP Port 1 Control Register 1 */
-#define SSSR_P1 __REG(0x41000008) /* SSP Port 1 Status Register */
-#define SSITR_P1 __REG(0x4100000C) /* SSP Port 1 Interrupt Test Register */
-#define SSDR_P1 __REG(0x41000010) /* (Write / Read) SSP Port 1 Data Write Register/SSP Data Read Register */
-
unsigned long u_irq_count =0;
-
-/**********************************************************************/
-//to support dma 16byte burst size
-// change SPI TS according to marvel recomendations
-
-#define DMA_BURST_SIZE DCMD_BURST16 //DCMD_BURST8
-#define SPI_RX_FIFO_RFT SSCR1_RxTresh(4) //SSCR1_RxTresh(1)
-#define SPI_TX_FIFO_TFT SSCR1_TxTresh(3) //SSCR1_TxTresh(1)
-
-
-/**********************************************************************/
-
-#include <linux/notifier.h>
-
static unsigned int dma_rxbuf_phy_addr ;
static unsigned int dma_txbuf_phy_addr ;
{
smscore_panic_print() ;
spilog_panic_print() ;
- printk("last tx_len = %d\n",tx_len) ;
- printk("last DMA len = %d\n",dma_len) ;
-#if 0
- printk("rxbuf_addr=[0x%x],Rx DSADR=[0x%x] DTADR=[0x%x] DCSR=[0x%x] DCMD=[0x%x]\n",
- dma_rxbuf_phy_addr, DSADR(rx_dma_channel),DTADR(rx_dma_channel),
- DCSR(rx_dma_channel),DCMD(rx_dma_channel) );
-
- printk("txbuf_addr=[0x%x],Tx DSADR=[0x%x] DTADR=[0x%x] DCSR[0x%x] DCMD=[0x%x]\n",
- dma_txbuf_phy_addr, DSADR(tx_dma_channel),DTADR(tx_dma_channel),
- DCSR(tx_dma_channel),DCMD(tx_dma_channel) );
- if(panic_sspdev)
- {
- printk("SSCR0 =[0x%x]\n",__raw_readl(panic_sspdev->ssp->mmio_base + SSCR0)) ;
- printk("SSCR1 =[0x%x]\n",__raw_readl(panic_sspdev->ssp->mmio_base + SSCR1)) ;
- printk("SSTO =[0x%x]\n",__raw_readl(panic_sspdev->ssp->mmio_base + SSTO)) ;
- printk("SSPSP =[0x%x]\n",__raw_readl(panic_sspdev->ssp->mmio_base + SSPSP)) ;
- printk("SSSR =[0x%x]\n",__raw_readl(panic_sspdev->ssp->mmio_base + SSSR)) ;
- }
-#endif
+ sms_debug("last tx_len = %d\n",tx_len) ;
+ sms_debug("last DMA len = %d\n",dma_len) ;
panic_event_handled =1 ;
}
void pxa3xx_gpio_set_rising_edge_detect (int gpio_id, int dir)
{
#if 0
- unsigned long flags;
- int gpio = mfp_to_gpio(gpio_id);
-
-// if (gpio >= GPIO_EXP_START)
-// {
-// return 0;
-// }
-// spin_lock_irqsave(&gpio_spin_lock, flags);
- local_irq_save(flags);
-
- if ( dir == GPIO_DIR_IN)
- GCRER(gpio) =1u << (gpio& 0x1f);
- else
- GSRER(gpio) =1u << (gpio& 0x1f);
- local_irq_restore(flags);
+ ;
#endif
}
void pxa3xx_gpio_set_direction(int gpio_id , int dir)
{
#if 0
- unsigned long flags;
- int gpio = mfp_to_gpio(gpio_id);
-
- local_irq_save(flags);
-
- if ( dir == GPIO_DIR_IN)
- GCDR(gpio) =1u << (gpio& 0x1f);
- else
- GSDR(gpio) =1u << (gpio& 0x1f);
- local_irq_restore(flags);
+ ;
#endif
}
//////////////////////////////////////////////////////////
static unsigned long dma_map_buf(struct spiphy_dev_s *spiphy_dev, char *buf,
int len, int direction)
{
- unsigned long phyaddr;
- /* map dma buffers */
+ unsigned long phyaddr; /* map dma buffers */
if (!buf) {
PERROR(" NULL buffers to map\n");
return 0;
}
/* map buffer */
phyaddr = dma_map_single(spiphy_dev->dev, buf, len, direction);
- //if (dma_mapping_error(phyaddr)) {
- // PERROR("exiting with error\n");
- // return 0;
- // }
+ if (dma_mapping_error(phyaddr)) {
+ PERROR("exiting with error\n");
+ return 0;
+ }
return phyaddr;
}
u_irq_count ++;
// PDEBUG("INT counter = %d\n", u_irq_count);
- //printk("cmmb siano 1186 int\n");
+ printk("cmmb siano 1186 int\n");
sms_info("spibus_interrupt %d\n", u_irq_count);
if (spiphy_dev->interruptHandler)
static void spibus_dma_handler(int channel, void *context)
{
#if 0
- struct spiphy_dev_s *spiphy_dev = (struct spiphy_dev_s *) context;
- u32 irq_status = DCSR(channel) & DMA_INT_MASK;
-// printk( "recieved interrupt from dma channel %d irq status %x.\n",
-// channel, irq_status);
- if (irq_status & DCSR_BUSERR) {
- printk(KERN_EMERG "bus error!!! resetting channel %d\n", channel);
-
- DCSR(spiphy_dev->rx_dma_channel) = RESET_DMA_CHANNEL;
- DCSR(spiphy_dev->tx_dma_channel) = RESET_DMA_CHANNEL;
- }
- DCSR(spiphy_dev->rx_dma_channel) = RESET_DMA_CHANNEL;
- complete(&spiphy_dev->transfer_in_process);
#endif
}
unsigned char *temp = NULL;
int ret;
- //sms_debug(KERN_INFO "smsspibus_xfer \n");
-
+#if SIANO_HALFDUPLEX
+ if(txbuf)
+ {
+ //sms_debug("tx_buf:%x,%x,%x,%x,%x,%x", txbuf[0], txbuf[1], txbuf[2], txbuf[3], txbuf[4],txbuf[5]);
+ ret = spi_write(spiphy_dev->Smsdevice, txbuf, len);
+ } else {
+ if ((rxbuf)&&(len != 16))
+ ret = spi_read(spiphy_dev->Smsdevice, rxbuf, len);
+ }
+#else
if(txbuf)
{
- // sms_debug("tx_buf:%x,%x,%x,%x,%x,%x", txbuf[0], txbuf[1], txbuf[2], txbuf[3], txbuf[4],txbuf[5]);
-
+ //sms_debug("tx_buf:%x,%x,%x,%x,%x,%x", txbuf[0], txbuf[1], txbuf[2], txbuf[3], txbuf[4],txbuf[5]);
ret = spi_write(spiphy_dev->Smsdevice, txbuf, len);
-
-
}
- //if (ret)
- // sms_err(KERN_INFO "smsspibus_xfer spi write ret=0x%x\n",ret);
-
- //memset (rxbuf, 0xff, 256);
if ((rxbuf)&&(len != 16))
ret = spi_read(spiphy_dev->Smsdevice, rxbuf, len);
-
- // sms_debug("rxbuf 4, 5,6,7,8,9=%x,%x,%x,%x,%x,%x\n",rxbuf[4],rxbuf[5],rxbuf[6],rxbuf[7],rxbuf[8],rxbuf[9]);
- //sms_debug("sms spi read buf=0x%x\n",rxbuf[5]);
+#endif
+
+ //sms_debug("rxbuf 4, 5,8,9=%x,%x,%x,%x\n",rxbuf[4],rxbuf[5],rxbuf[8],rxbuf[9]);
+ //printk("len=%x,rxbuf 4, 5,8,9Mlen=%x,%x,%x,%x,%x,%x\n",len,rxbuf[4],rxbuf[5],rxbuf[8],rxbuf[9],rxbuf[13],rxbuf[12]);
}
void smsspibus_ssp_suspend(void* context )
{
- struct spiphy_dev_s *spiphy_dev ;
- printk("entering smsspibus_ssp_suspend\n");
- if(!context)
- {
- PERROR("smsspibus_ssp_suspend context NULL \n") ;
- return ;
- }
- spiphy_dev = (struct spiphy_dev_s *) context;
+ struct spiphy_dev_s *spiphy_dev ;
+
+ sms_info("entering smsspibus_ssp_suspend\n");
+
+ if(!context)
+ {
+ sms_info("smsspibus_ssp_suspend context NULL \n") ;
+ return ;
+ }
+ spiphy_dev = (struct spiphy_dev_s *) context;
+
+ free_irq(gpio_to_irq(CMMB_1186_SPIIRQ), NULL);
- //ssp_flush(&(spiphy_dev->sspdev)) ;
- //ssp_save_state(&(spiphy_dev->sspdev) , &sms_ssp_state) ;
- //ssp_disable(&(spiphy_dev->sspdev));
- //ssp_exit(&spiphy_dev->sspdev);
- free_irq(gpio_to_irq(CMMB_1186_SPIIRQ), spiphy_dev);
-//zyc
- gpio_direction_output(CMMB_1186_SPIIRQ,0);
- /* release DMA resources */
- //if (spiphy_dev->rx_dma_channel >= 0)
- //pxa_free_dma(spiphy_dev->rx_dma_channel);
-
- //if (spiphy_dev->tx_dma_channel >= 0)
- //pxa_free_dma(spiphy_dev->tx_dma_channel);
chip_powerdown();
}
mdelay(200);
printk("cmmb chip_poweron !!!!\n");
-
}
static void chip_powerdown()
}
spiphy_dev = (struct spiphy_dev_s *) context;
chip_poweron();
- free_irq(gpio_to_irq(CMMB_1186_SPIIRQ), spiphy_dev);
+ //free_irq(gpio_to_irq(CMMB_1186_SPIIRQ), spiphy_dev);
//printk("siano 1186 request irq\n");
-// spiirqgpio low , PULLUP , zyc
- gpio_direction_output(CMMB_1186_SPIIRQ,0);
- gpio_pull_updown(CMMB_1186_SPIIRQ,GPIOPullUp);
-
+ //gpio_pull_updown(CMMB_1186_SPIIRQ,GPIOPullDown);
//ret = request_gpio_irq(CMMB_1186_SPIIRQ, (pFunc)spibus_interrupt, GPIOEdgelRising, spiphy_dev);
- request_irq(gpio_to_irq(CMMB_1186_SPIIRQ),spibus_interrupt,IRQF_TRIGGER_RISING,NULL,spiphy_dev);
+ //request_irq(gpio_to_irq(CMMB_1186_SPIIRQ),spibus_interrupt,IRQF_TRIGGER_RISING,NULL,spiphy_dev);
if(ret<0){
printk("siano1186 request irq failed !!\n");
ret = -EBUSY;
}
return 0 ;
fail1:
- free_irq(CMMB_1186_SPIIRQ,NULL);
+ free_irq(gpio_to_irq(CMMB_1186_SPIIRQ), NULL);
return -1 ;
}
-
-void *smsspiphy_init(void *context, void (*smsspi_interruptHandler)(void *),void *intr_context)
+void *smsspiphy_init(void *context, void (*smsspi_interruptHandler) (void *),
+ void *intr_context)
{
-
int ret;
struct spiphy_dev_s *spiphy_dev;
u32 mode = 0, flags = 0, psp_flags = 0, speed = 0;
int error;
sms_debug("smsspiphy_init\n");
-
+
spiphy_dev = kmalloc(sizeof(struct spiphy_dev_s), GFP_KERNEL);
if(!spiphy_dev )
{
- printk("spiphy_dev is null in smsspiphy_init\n") ;
+ sms_err("spiphy_dev is null in smsspiphy_init\n") ;
return NULL;
}
-//zyc , requst gpio
- //request_cmmb_gpio();
chip_powerdown();
spiphy_dev->interruptHandler = smsspi_interruptHandler;
spiphy_dev->intr_context = intr_context;
- spiphy_dev->Smsdevice = (struct spi_device*)context;
+ spiphy_dev->Smsdevice = (struct spi_device*)context;
//gpio_pull_updown(CMMB_1186_SPIIRQ, IRQT_FALLING);
-//set IRO GPIO as gpio mode ,zyc
- //rk2818_mux_api_set(GPIOA6_FLASHCS2_SEL_NAME,0);
error = gpio_request(CMMB_1186_SPIIRQ,"cmmb irq");
if (error) {
//dev_err(&pdev->dev, "failed to request play key gpio\n");
//goto free_gpio;
printk("gpio request error\n");
}
-
-#if 0
- gpio_direction_output(CMMB_1186_SPIIRQ,1);
-
- printk("CMMB_1186_SPIIRQ !!!!\n");
- mdelay(10000);
- gpio_direction_output(CMMB_1186_SPIIRQ,0);
- mdelay(10000);
-#endif
-
//ret = request_gpio_irq(CMMB_1186_SPIIRQ, spibus_interrupt, GPIOEdgelRising, spiphy_dev);//
-
-//zyc
- gpio_direction_output(CMMB_1186_SPIIRQ,0);
- gpio_pull_updown(CMMB_1186_SPIIRQ,GPIOPullUp);
-
+ gpio_pull_updown(CMMB_1186_SPIIRQ,GPIOPullDown);
//ret = request_gpio_irq(CMMB_1186_SPIIRQ, (pFunc)spibus_interrupt, GPIOEdgelRising, spiphy_dev);
request_irq(gpio_to_irq(CMMB_1186_SPIIRQ),spibus_interrupt,IRQF_TRIGGER_RISING,NULL,spiphy_dev);
return spiphy_dev;
-error_irq:
- //if (spiphy_dev->tx_dma_channel >= 0)
- //pxa_free_dma(spiphy_dev->tx_dma_channel);
-
-error_txdma:
- //if (spiphy_dev->rx_dma_channel >= 0)
- //pxa_free_dma(spiphy_dev->rx_dma_channel);
-
-error_rxdma:
-// ssp_exit(&spiphy_dev->sspdev);
-error_sspinit:
- //PDEBUG("exiting on error\n");
- printk("exiting on error\n");
fail1:
- free_irq(CMMB_1186_SPIIRQ,NULL);
+ free_irq(gpio_to_irq(CMMB_1186_SPIIRQ), NULL);
return 0;
-
}
int smsspiphy_deinit(void *context)
atomic_notifier_chain_unregister(&panic_notifier_list,
&sms_panic_notifier);
chip_powerdown();
- PDEBUG("exiting\n");
+ sms_info("exiting\n");
+ free_irq(gpio_to_irq(CMMB_1186_SPIIRQ), NULL);
+
return 0;
}
void smsspiphy_set_config(struct spiphy_dev_s *spiphy_dev, int clock_divider)
{
- //u32 mode, flags, speed, psp_flags = 0;
- //ssp_disable(&spiphy_dev->sspdev);
- /* clock divisor for this mode. */
- //speed = CLOCK_DIVIDER(clock_divider);
- /* 32bit words in the fifo */
- //mode = SSCR0_Motorola | SSCR0_DataSize(16) | SSCR0_EDSS;
- //flags = SPI_RX_FIFO_RFT |SPI_TX_FIFO_TFT | SSCR1_TSRE |
- //SSCR1_RSRE | SSCR1_RIE | SSCR1_TRAIL; /* | SSCR1_TIE */
- //ssp_config(&spiphy_dev->sspdev, mode, flags, psp_flags, speed);
- //ssp_enable(&spiphy_dev->sspdev);
+ ;
}
void prepareForFWDnl(void *context)
projects / firefly-linux-kernel-4.4.55.git / blobdiff