diff options
Diffstat (limited to 'arch/cris/include')
| -rw-r--r-- | arch/cris/include/arch-v32/arch/cache.h | 2 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/arch/dma.h | 80 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/arch/io.h | 20 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/arch/memmap.h | 25 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/arch/pgtable.h | 8 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/arch/uaccess.h | 7 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/mach-a3/mach/dma.h | 27 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/mach-a3/mach/startup.inc | 28 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/mach-fs/mach/dma.h | 79 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/mach-fs/mach/memmap.h | 24 | ||||
| -rw-r--r-- | arch/cris/include/arch-v32/mach-fs/mach/startup.inc | 5 | ||||
| -rw-r--r-- | arch/cris/include/asm/etraxgpio.h | 96 | ||||
| -rw-r--r-- | arch/cris/include/asm/sync_serial.h | 27 |
13 files changed, 292 insertions, 136 deletions
diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h index dfc73050e6b4..1de779f4f240 100644 --- a/arch/cris/include/arch-v32/arch/cache.h +++ b/arch/cris/include/arch-v32/arch/cache.h @@ -7,6 +7,8 @@ #define L1_CACHE_BYTES 32 #define L1_CACHE_SHIFT 5 +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + void flush_dma_list(dma_descr_data *descr); void flush_dma_descr(dma_descr_data *descr, int flush_buf); diff --git a/arch/cris/include/arch-v32/arch/dma.h b/arch/cris/include/arch-v32/arch/dma.h index 3674081389fd..61906153a9af 100644 --- a/arch/cris/include/arch-v32/arch/dma.h +++ b/arch/cris/include/arch-v32/arch/dma.h @@ -1,79 +1 @@ -#ifndef _ASM_ARCH_CRIS_DMA_H -#define _ASM_ARCH_CRIS_DMA_H - -/* Defines for using and allocating dma channels. */ - -#define MAX_DMA_CHANNELS 10 - -#define NETWORK_ETH0_TX_DMA_NBR 0 /* Ethernet 0 out. */ -#define NETWORK_ETH0 RX_DMA_NBR 1 /* Ethernet 0 in. */ - -#define IO_PROC_DMA0_TX_DMA_NBR 2 /* IO processor DMA0 out. */ -#define IO_PROC_DMA0_RX_DMA_NBR 3 /* IO processor DMA0 in. */ - -#define ATA_TX_DMA_NBR 2 /* ATA interface out. */ -#define ATA_RX_DMA_NBR 3 /* ATA interface in. */ - -#define ASYNC_SER2_TX_DMA_NBR 2 /* Asynchronous serial port 2 out. */ -#define ASYNC_SER2_RX_DMA_NBR 3 /* Asynchronous serial port 2 in. */ - -#define IO_PROC_DMA1_TX_DMA_NBR 4 /* IO processor DMA1 out. */ -#define IO_PROC_DMA1_RX_DMA_NBR 5 /* IO processor DMA1 in. */ - -#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */ -#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */ - -#define SYNC_SER0_TX_DMA_NBR 4 /* Synchronous serial port 0 out. */ -#define SYNC_SER0_RX_DMA_NBR 5 /* Synchronous serial port 0 in. */ - -#define EXTDMA0_TX_DMA_NBR 6 /* External DMA 0 out. */ -#define EXTDMA1_RX_DMA_NBR 7 /* External DMA 1 in. */ - -#define ASYNC_SER0_TX_DMA_NBR 6 /* Asynchronous serial port 0 out. */ -#define ASYNC_SER0_RX_DMA_NBR 7 /* Asynchronous serial port 0 in. */ - -#define SYNC_SER1_TX_DMA_NBR 6 /* Synchronous serial port 1 out. */ -#define SYNC_SER1_RX_DMA_NBR 7 /* Synchronous serial port 1 in. */ - -#define NETWORK_ETH1_TX_DMA_NBR 6 /* Ethernet 1 out. */ -#define NETWORK_ETH1_RX_DMA_NBR 7 /* Ethernet 1 in. */ - -#define EXTDMA2_TX_DMA_NBR 8 /* External DMA 2 out. */ -#define EXTDMA3_RX_DMA_NBR 9 /* External DMA 3 in. */ - -#define STRCOP_TX_DMA_NBR 8 /* Stream co-processor out. */ -#define STRCOP_RX_DMA_NBR 9 /* Stream co-processor in. */ - -#define ASYNC_SER3_TX_DMA_NBR 8 /* Asynchronous serial port 3 out. */ -#define ASYNC_SER3_RX_DMA_NBR 9 /* Asynchronous serial port 3 in. */ - -enum dma_owner -{ - dma_eth0, - dma_eth1, - dma_iop0, - dma_iop1, - dma_ser0, - dma_ser1, - dma_ser2, - dma_ser3, - dma_sser0, - dma_sser1, - dma_ata, - dma_strp, - dma_ext0, - dma_ext1, - dma_ext2, - dma_ext3 -}; - -int crisv32_request_dma(unsigned int dmanr, const char * device_id, - unsigned options, unsigned bandwidth, enum dma_owner owner); -void crisv32_free_dma(unsigned int dmanr); - -/* Masks used by crisv32_request_dma options: */ -#define DMA_VERBOSE_ON_ERROR 1 -#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR) -#define DMA_INT_MEM 4 - -#endif /* _ASM_ARCH_CRIS_DMA_H */ +#include "mach/dma.h" diff --git a/arch/cris/include/arch-v32/arch/io.h b/arch/cris/include/arch-v32/arch/io.h index 72024452cea9..adc5484351bf 100644 --- a/arch/cris/include/arch-v32/arch/io.h +++ b/arch/cris/include/arch-v32/arch/io.h @@ -46,10 +46,12 @@ static inline void crisv32_io_set(struct crisv32_iopin *iopin, int val) unsigned long flags; spin_lock_irqsave(&iopin->port->lock, flags); - if (val) - *iopin->port->data |= iopin->bit; - else - *iopin->port->data &= ~iopin->bit; + if (iopin->port->data) { + if (val) + *iopin->port->data |= iopin->bit; + else + *iopin->port->data &= ~iopin->bit; + } spin_unlock_irqrestore(&iopin->port->lock, flags); } @@ -60,10 +62,12 @@ static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin, unsigned long flags; spin_lock_irqsave(&iopin->port->lock, flags); - if (dir == crisv32_io_dir_in) - *iopin->port->oe &= ~iopin->bit; - else - *iopin->port->oe |= iopin->bit; + if (iopin->port->oe) { + if (dir == crisv32_io_dir_in) + *iopin->port->oe &= ~iopin->bit; + else + *iopin->port->oe |= iopin->bit; + } spin_unlock_irqrestore(&iopin->port->lock, flags); } diff --git a/arch/cris/include/arch-v32/arch/memmap.h b/arch/cris/include/arch-v32/arch/memmap.h index d29df5644d3e..81985c0a6789 100644 --- a/arch/cris/include/arch-v32/arch/memmap.h +++ b/arch/cris/include/arch-v32/arch/memmap.h @@ -1,24 +1 @@ -#ifndef _ASM_ARCH_MEMMAP_H -#define _ASM_ARCH_MEMMAP_H - -#define MEM_CSE0_START (0x00000000) -#define MEM_CSE0_SIZE (0x04000000) -#define MEM_CSE1_START (0x04000000) -#define MEM_CSE1_SIZE (0x04000000) -#define MEM_CSR0_START (0x08000000) -#define MEM_CSR1_START (0x0c000000) -#define MEM_CSP0_START (0x10000000) -#define MEM_CSP1_START (0x14000000) -#define MEM_CSP2_START (0x18000000) -#define MEM_CSP3_START (0x1c000000) -#define MEM_CSP4_START (0x20000000) -#define MEM_CSP5_START (0x24000000) -#define MEM_CSP6_START (0x28000000) -#define MEM_CSP7_START (0x2c000000) -#define MEM_INTMEM_START (0x38000000) -#define MEM_INTMEM_SIZE (0x00020000) -#define MEM_DRAM_START (0x40000000) - -#define MEM_NON_CACHEABLE (0x80000000) - -#endif +#include <mach/memmap.h> diff --git a/arch/cris/include/arch-v32/arch/pgtable.h b/arch/cris/include/arch-v32/arch/pgtable.h index 08cb7ff7e4e7..c1051a8da33d 100644 --- a/arch/cris/include/arch-v32/arch/pgtable.h +++ b/arch/cris/include/arch-v32/arch/pgtable.h @@ -2,8 +2,16 @@ #define _ASM_CRIS_ARCH_PGTABLE_H /* Define the kernels virtual memory area. */ + +/* See head.S for differences between ARTPEC-3 and ETRAX FS. */ +#ifdef CONFIG_CRIS_MACH_ARTPEC3 +#define VMALLOC_START KSEG_E +#define VMALLOC_END KSEG_F +#else #define VMALLOC_START KSEG_D #define VMALLOC_END KSEG_E +#endif + #define VMALLOC_VMADDR(x) ((unsigned long)(x)) #endif /* _ASM_CRIS_ARCH_PGTABLE_H */ diff --git a/arch/cris/include/arch-v32/arch/uaccess.h b/arch/cris/include/arch-v32/arch/uaccess.h index 6b207f1b6622..3196019706cb 100644 --- a/arch/cris/include/arch-v32/arch/uaccess.h +++ b/arch/cris/include/arch-v32/arch/uaccess.h @@ -122,14 +122,14 @@ __do_strncpy_from_user(char *dst, const char *src, long count) __asm__ __volatile__ ( " move.d %3,%0\n" "5: move.b [%2+],$acr\n" - "1: beq 2f\n" + "1: beq 6f\n" " move.b $acr,[%1+]\n" " subq 1,%0\n" "2: bne 1b\n" " move.b [%2+],$acr\n" - " sub.d %3,%0\n" + "6: sub.d %3,%0\n" " neg.d %0,%0\n" "3:\n" " .section .fixup,\"ax\"\n" @@ -140,8 +140,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count) /* The address for a fault at the first move is trivial. The address for a fault at the second move is that of the preceding branch insn, since the move insn is in - its delay-slot. That address is also a branch - target. Just so you don't get confused... */ + its delay-slot. Just so you don't get confused... */ " .previous\n" " .section __ex_table,\"a\"\n" " .dword 5b,4b\n" diff --git a/arch/cris/include/arch-v32/mach-a3/mach/dma.h b/arch/cris/include/arch-v32/mach-a3/mach/dma.h index 9e8eb13b601d..f01dca1ad108 100644 --- a/arch/cris/include/arch-v32/mach-a3/mach/dma.h +++ b/arch/cris/include/arch-v32/mach-a3/mach/dma.h @@ -5,6 +5,33 @@ #define MAX_DMA_CHANNELS 12 /* 8 and 10 not used. */ +#define NETWORK_ETH_TX_DMA_NBR 0 /* Ethernet 0 out. */ +#define NETWORK_ETH_RX_DMA_NBR 1 /* Ethernet 0 in. */ + +#define IO_PROC_DMA_TX_DMA_NBR 4 /* IO processor DMA0 out. */ +#define IO_PROC_DMA_RX_DMA_NBR 5 /* IO processor DMA0 in. */ + +#define ASYNC_SER3_TX_DMA_NBR 2 /* Asynchronous serial port 3 out. */ +#define ASYNC_SER3_RX_DMA_NBR 3 /* Asynchronous serial port 3 in. */ + +#define ASYNC_SER2_TX_DMA_NBR 6 /* Asynchronous serial port 2 out. */ +#define ASYNC_SER2_RX_DMA_NBR 7 /* Asynchronous serial port 2 in. */ + +#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */ +#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */ + +#define SYNC_SER_TX_DMA_NBR 6 /* Synchronous serial port 0 out. */ +#define SYNC_SER_RX_DMA_NBR 7 /* Synchronous serial port 0 in. */ + +#define ASYNC_SER0_TX_DMA_NBR 0 /* Asynchronous serial port 0 out. */ +#define ASYNC_SER0_RX_DMA_NBR 1 /* Asynchronous serial port 0 in. */ + +#define STRCOP_TX_DMA_NBR 2 /* Stream co-processor out. */ +#define STRCOP_RX_DMA_NBR 3 /* Stream co-processor in. */ + +#define dma_eth0 dma_eth +#define dma_eth1 dma_eth + enum dma_owner { dma_eth, dma_ser0, diff --git a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc index 2f23e5e16f4a..2d52bcc96ed5 100644 --- a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc +++ b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc @@ -1,9 +1,19 @@ +#ifndef STARTUP_INC_INCLUDED +#define STARTUP_INC_INCLUDED + #include <hwregs/asm/reg_map_asm.h> #include <hwregs/asm/gio_defs_asm.h> #include <hwregs/asm/pio_defs_asm.h> #include <hwregs/asm/clkgen_defs_asm.h> #include <hwregs/asm/pinmux_defs_asm.h> + .macro GIO_SET_P BITS, OUTREG + bmi 1f ; btstq: bit -> N flag + nop + or.d \BITS, \OUTREG +1: + .endm + .macro GIO_INIT move.d CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0 move.d REG_ADDR(gio, regi_gio, rw_pa_dout), $r1 @@ -32,10 +42,23 @@ move.d 0xFFFFFFFF, $r0 move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pa), $r1 move.d $r0, [$r1] - move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1 - move.d $r0, [$r1] move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pc), $r1 move.d $r0, [$r1] + + ;; If eth_mdio, eth, geth bits are set in hwprot, don't + ;; set them to gpio, as this means they have been configured + ;; earlier and shouldn't be changed. + move.d 0xFC000000, $r2 ; pins 25..0 are eth_mdio, eth, geth + move.d REG_ADDR(pinmux, regi_pinmux, rw_hwprot), $r1 + move.d [$r1], $r0 + btstq REG_BIT(pinmux, rw_hwprot, eth), $r0 + GIO_SET_P 0x00FFFF00, $r2 ;; pins 8..23 are eth + btstq REG_BIT(pinmux, rw_hwprot, eth_mdio), $r0 + GIO_SET_P 0x03000000, $r2 ;; pins 24..25 are eth_mdio + btstq REG_BIT(pinmux, rw_hwprot, geth), $r0 + GIO_SET_P 0x000000FF, $r2 ;; pins 0..7 are geth + move.d REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1 + move.d $r2, [$r1] .endm .macro START_CLOCKS @@ -58,3 +81,4 @@ move.d CONFIG_ETRAX_PIO_CE2_CFG, $r1 move.d $r1, [$r0] .endm +#endif diff --git a/arch/cris/include/arch-v32/mach-fs/mach/dma.h b/arch/cris/include/arch-v32/mach-fs/mach/dma.h new file mode 100644 index 000000000000..a8c59292586a --- /dev/null +++ b/arch/cris/include/arch-v32/mach-fs/mach/dma.h @@ -0,0 +1,79 @@ +#ifndef _ASM_ARCH_CRIS_DMA_H +#define _ASM_ARCH_CRIS_DMA_H + +/* Defines for using and allocating dma channels. */ + +#define MAX_DMA_CHANNELS 10 + +#define NETWORK_ETH0_TX_DMA_NBR 0 /* Ethernet 0 out. */ +#define NETWORK_ETH0 RX_DMA_NBR 1 /* Ethernet 0 in. */ + +#define IO_PROC_DMA0_TX_DMA_NBR 2 /* IO processor DMA0 out. */ +#define IO_PROC_DMA0_RX_DMA_NBR 3 /* IO processor DMA0 in. */ + +#define ATA_TX_DMA_NBR 2 /* ATA interface out. */ +#define ATA_RX_DMA_NBR 3 /* ATA interface in. */ + +#define ASYNC_SER2_TX_DMA_NBR 2 /* Asynchronous serial port 2 out. */ +#define ASYNC_SER2_RX_DMA_NBR 3 /* Asynchronous serial port 2 in. */ + +#define IO_PROC_DMA1_TX_DMA_NBR 4 /* IO processor DMA1 out. */ +#define IO_PROC_DMA1_RX_DMA_NBR 5 /* IO processor DMA1 in. */ + +#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */ +#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */ + +#define SYNC_SER0_TX_DMA_NBR 4 /* Synchronous serial port 0 out. */ +#define SYNC_SER0_RX_DMA_NBR 5 /* Synchronous serial port 0 in. */ + +#define EXTDMA0_TX_DMA_NBR 6 /* External DMA 0 out. */ +#define EXTDMA1_RX_DMA_NBR 7 /* External DMA 1 in. */ + +#define ASYNC_SER0_TX_DMA_NBR 6 /* Asynchronous serial port 0 out. */ +#define ASYNC_SER0_RX_DMA_NBR 7 /* Asynchronous serial port 0 in. */ + +#define SYNC_SER1_TX_DMA_NBR 6 /* Synchronous serial port 1 out. */ +#define SYNC_SER1_RX_DMA_NBR 7 /* Synchronous serial port 1 in. */ + +#define NETWORK_ETH1_TX_DMA_NBR 6 /* Ethernet 1 out. */ +#define NETWORK_ETH1_RX_DMA_NBR 7 /* Ethernet 1 in. */ + +#define EXTDMA2_TX_DMA_NBR 8 /* External DMA 2 out. */ +#define EXTDMA3_RX_DMA_NBR 9 /* External DMA 3 in. */ + +#define STRCOP_TX_DMA_NBR 8 /* Stream co-processor out. */ +#define STRCOP_RX_DMA_NBR 9 /* Stream co-processor in. */ + +#define ASYNC_SER3_TX_DMA_NBR 8 /* Asynchronous serial port 3 out. */ +#define ASYNC_SER3_RX_DMA_NBR 9 /* Asynchronous serial port 3 in. */ + +enum dma_owner { + dma_eth0, + dma_eth1, + dma_iop0, + dma_iop1, + dma_ser0, + dma_ser1, + dma_ser2, + dma_ser3, + dma_sser0, + dma_sser1, + dma_ata, + dma_strp, + dma_ext0, + dma_ext1, + dma_ext2, + dma_ext3 +}; + +int crisv32_request_dma(unsigned int dmanr, const char *device_id, + unsigned options, unsigned bandwidth, + enum dma_owner owner); +void crisv32_free_dma(unsigned int dmanr); + +/* Masks used by crisv32_request_dma options: */ +#define DMA_VERBOSE_ON_ERROR 1 +#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR) +#define DMA_INT_MEM 4 + +#endif /* _ASM_ARCH_CRIS_DMA_H */ diff --git a/arch/cris/include/arch-v32/mach-fs/mach/memmap.h b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h new file mode 100644 index 000000000000..d29df5644d3e --- /dev/null +++ b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h @@ -0,0 +1,24 @@ +#ifndef _ASM_ARCH_MEMMAP_H +#define _ASM_ARCH_MEMMAP_H + +#define MEM_CSE0_START (0x00000000) +#define MEM_CSE0_SIZE (0x04000000) +#define MEM_CSE1_START (0x04000000) +#define MEM_CSE1_SIZE (0x04000000) +#define MEM_CSR0_START (0x08000000) +#define MEM_CSR1_START (0x0c000000) +#define MEM_CSP0_START (0x10000000) +#define MEM_CSP1_START (0x14000000) +#define MEM_CSP2_START (0x18000000) +#define MEM_CSP3_START (0x1c000000) +#define MEM_CSP4_START (0x20000000) +#define MEM_CSP5_START (0x24000000) +#define MEM_CSP6_START (0x28000000) +#define MEM_CSP7_START (0x2c000000) +#define MEM_INTMEM_START (0x38000000) +#define MEM_INTMEM_SIZE (0x00020000) +#define MEM_DRAM_START (0x40000000) + +#define MEM_NON_CACHEABLE (0x80000000) + +#endif diff --git a/arch/cris/include/arch-v32/mach-fs/mach/startup.inc b/arch/cris/include/arch-v32/mach-fs/mach/startup.inc index 4a10ccbd6cc1..dd1abbdcbc7a 100644 --- a/arch/cris/include/arch-v32/mach-fs/mach/startup.inc +++ b/arch/cris/include/arch-v32/mach-fs/mach/startup.inc @@ -1,3 +1,6 @@ +#ifndef STARTUP_INC_INCLUDED +#define STARTUP_INC_INCLUDED + #include <hwregs/asm/reg_map_asm.h> #include <hwregs/asm/bif_core_defs_asm.h> #include <hwregs/asm/gio_defs_asm.h> @@ -75,3 +78,5 @@ move.d $r10, [$r11] #endif .endm + +#endif diff --git a/arch/cris/include/asm/etraxgpio.h b/arch/cris/include/asm/etraxgpio.h index 38f1c8e1770c..d474818a537e 100644 --- a/arch/cris/include/asm/etraxgpio.h +++ b/arch/cris/include/asm/etraxgpio.h @@ -21,31 +21,35 @@ * /dev/leds minor 2, Access to leds depending on kernelconfig * * For ARTPEC-3 (CONFIG_CRIS_MACH_ARTPEC3): - * /dev/gpioa minor 0, 8 bit GPIO, each bit can change direction - * /dev/gpiob minor 1, 18 bit GPIO, each bit can change direction - * /dev/gpioc minor 3, 18 bit GPIO, each bit can change direction - * /dev/gpiod minor 4, 18 bit GPIO, each bit can change direction + * /dev/gpioa minor 0, 32 bit GPIO, each bit can change direction + * /dev/gpiob minor 1, 32 bit GPIO, each bit can change direction + * /dev/gpioc minor 3, 16 bit GPIO, each bit can change direction + * /dev/gpiod minor 4, 32 bit GPIO, input only * /dev/leds minor 2, Access to leds depending on kernelconfig * /dev/pwm0 minor 16, PWM channel 0 on PA30 * /dev/pwm1 minor 17, PWM channel 1 on PA31 * /dev/pwm2 minor 18, PWM channel 2 on PB26 + * /dev/ppwm minor 19, PPWM channel * */ #ifndef _ASM_ETRAXGPIO_H #define _ASM_ETRAXGPIO_H +#define GPIO_MINOR_FIRST 0 + +#define ETRAXGPIO_IOCTYPE 43 + /* etraxgpio _IOC_TYPE, bits 8 to 15 in ioctl cmd */ #ifdef CONFIG_ETRAX_ARCH_V10 -#define ETRAXGPIO_IOCTYPE 43 #define GPIO_MINOR_A 0 #define GPIO_MINOR_B 1 #define GPIO_MINOR_LEDS 2 #define GPIO_MINOR_G 3 #define GPIO_MINOR_LAST 3 +#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST #endif #ifdef CONFIG_ETRAXFS -#define ETRAXGPIO_IOCTYPE 43 #define GPIO_MINOR_A 0 #define GPIO_MINOR_B 1 #define GPIO_MINOR_LEDS 2 @@ -58,10 +62,10 @@ #else #define GPIO_MINOR_LAST 5 #endif +#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST #endif #ifdef CONFIG_CRIS_MACH_ARTPEC3 -#define ETRAXGPIO_IOCTYPE 43 #define GPIO_MINOR_A 0 #define GPIO_MINOR_B 1 #define GPIO_MINOR_LEDS 2 @@ -73,12 +77,17 @@ #else #define GPIO_MINOR_LAST 4 #endif -#define GPIO_MINOR_PWM0 16 -#define GPIO_MINOR_PWM1 17 -#define GPIO_MINOR_PWM2 18 -#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PWM2 +#define GPIO_MINOR_FIRST_PWM 16 +#define GPIO_MINOR_PWM0 (GPIO_MINOR_FIRST_PWM+0) +#define GPIO_MINOR_PWM1 (GPIO_MINOR_FIRST_PWM+1) +#define GPIO_MINOR_PWM2 (GPIO_MINOR_FIRST_PWM+2) +#define GPIO_MINOR_PPWM (GPIO_MINOR_FIRST_PWM+3) +#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PPWM +#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST_PWM #endif + + /* supported ioctl _IOC_NR's */ #define IO_READBITS 0x1 /* read and return current port bits (obsolete) */ @@ -125,12 +134,10 @@ */ #define IO_READ_INBITS 0x10 /* *arg is result of reading the input pins */ #define IO_READ_OUTBITS 0x11 /* *arg is result of reading the output shadow */ -#define IO_SETGET_INPUT 0x12 /* bits set in *arg is set to input, - * *arg updated with current input pins. - */ -#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output, - * *arg updated with current output pins. - */ +#define IO_SETGET_INPUT 0x12 /* bits set in *arg is set to input, */ + /* *arg updated with current input pins. */ +#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output, */ + /* *arg updated with current output pins. */ /* The following ioctl's are applicable to the PWM channels only */ @@ -140,7 +147,8 @@ enum io_pwm_mode { PWM_OFF = 0, /* disabled, deallocated */ PWM_STANDARD = 1, /* 390 kHz, duty cycle 0..255/256 */ PWM_FAST = 2, /* variable freq, w/ 10ns active pulse len */ - PWM_VARFREQ = 3 /* individually configurable high/low periods */ + PWM_VARFREQ = 3, /* individually configurable high/low periods */ + PWM_SOFT = 4 /* software generated */ }; struct io_pwm_set_mode { @@ -176,4 +184,56 @@ struct io_pwm_set_duty { int duty; /* 0..255 */ }; +/* Returns information about the latest PWM pulse. + * lo: Length of the latest low period, in units of 10ns. + * hi: Length of the latest high period, in units of 10ns. + * cnt: Time since last detected edge, in units of 10ns. + * + * The input source to PWM is decied by IO_PWM_SET_INPUT_SRC. + * + * NOTE: All PWM devices is connected to the same input source. + */ +#define IO_PWM_GET_PERIOD 0x23 + +struct io_pwm_get_period { + unsigned int lo; + unsigned int hi; + unsigned int cnt; +}; + +/* Sets the input source for the PWM input. For the src value see the + * register description for gio:rw_pwm_in_cfg. + * + * NOTE: All PWM devices is connected to the same input source. + */ +#define IO_PWM_SET_INPUT_SRC 0x24 +struct io_pwm_set_input_src { + unsigned int src; /* 0..7 */ +}; + +/* Sets the duty cycles in steps of 1/256, 0 = 0%, 255 = 100% duty cycle */ +#define IO_PPWM_SET_DUTY 0x25 + +struct io_ppwm_set_duty { + int duty; /* 0..255 */ +}; + +/* Configuraton struct for the IO_PWMCLK_SET_CONFIG ioctl to configure + * PWM capable gpio pins: + */ +#define IO_PWMCLK_SETGET_CONFIG 0x26 +struct gpio_pwmclk_conf { + unsigned int gpiopin; /* The pin number based on the opened device */ + unsigned int baseclk; /* The base clock to use, or sw will select one close*/ + unsigned int low; /* The number of low periods of the baseclk */ + unsigned int high; /* The number of high periods of the baseclk */ +}; + +/* Examples: + * To get a symmetric 12 MHz clock without knowing anything about the hardware: + * baseclk = 12000000, low = 0, high = 0 + * To just get info of current setting: + * baseclk = 0, low = 0, high = 0, the values will be updated by driver. + */ + #endif diff --git a/arch/cris/include/asm/sync_serial.h b/arch/cris/include/asm/sync_serial.h index d87c24df2b38..7f827fea30e7 100644 --- a/arch/cris/include/asm/sync_serial.h +++ b/arch/cris/include/asm/sync_serial.h @@ -19,6 +19,7 @@ #define SSP_OPOLARITY _IOR('S', 4, unsigned int) #define SSP_SPI _IOR('S', 5, unsigned int) #define SSP_INBUFCHUNK _IOR('S', 6, unsigned int) +#define SSP_INPUT _IOR('S', 7, unsigned int) /* Values for SSP_SPEED */ #define SSP150 0 @@ -37,6 +38,7 @@ #define SSP921600 13 #define SSP3125000 14 #define CODEC 15 +#define CODEC_f32768 16 #define FREQ_4MHz 0 #define FREQ_2MHz 1 @@ -46,9 +48,14 @@ #define FREQ_128kHz 5 #define FREQ_64kHz 6 #define FREQ_32kHz 7 +/* FREQ_* with values where bit (value & 0x10) is set are */ +/* used for CODEC_f32768 */ +#define FREQ_4096kHz 16 /* CODEC_f32768 */ /* Used by application to set CODEC divider, word rate and frame rate */ -#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28)) +#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) \ + ((CODEC + ((freq & 0x10) >> 4)) | (freq << 8) | \ + (clk_per_sync << 16) | (sync_per_frame << 28)) /* Used by driver to extract speed */ #define GET_SPEED(x) (x & 0xff) @@ -68,6 +75,7 @@ #define NORMAL_SYNC 1 #define EARLY_SYNC 2 #define SECOND_WORD_SYNC 0x40000 +#define LATE_SYNC 0x80000 #define BIT_SYNC 4 #define WORD_SYNC 8 @@ -104,4 +112,21 @@ /* Values for SSP_INBUFCHUNK */ /* plain integer with the size of DMA chunks */ +/* To ensure that the timestamps are aligned with the data being read + * the read length MUST be a multiple of the length of the DMA buffers. + * + * Use a multiple of SSP_INPUT_CHUNK_SIZE defined below. + */ +#define SSP_INPUT_CHUNK_SIZE 256 + +/* Request struct to pass through the ioctl interface to read + * data with timestamps. + */ +struct ssp_request { + char __user *buf; /* Where to put the data. */ + size_t len; /* Size of buf. MUST be a multiple of */ + /* SSP_INPUT_CHUNK_SIZE! */ + struct timespec ts; /* The time the data was sampled. */ +}; + #endif |
