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author | Thomas Langer <thomas.langer@lantiq.com> | 2008-12-16 19:39:34 +0000 |
---|---|---|
committer | Thomas Langer <thomas.langer@lantiq.com> | 2008-12-16 19:39:34 +0000 |
commit | a38b23a89487105dce90bd97ba6fd0e96760875a (patch) | |
tree | ccecb931a7e7d508d4422d31ddf84aac414a305c /target/linux/ifxmips/files/arch/mips | |
parent | cb87dfde7be9c2b86d54e39666261306ef33edea (diff) | |
download | master-31e0f0ae-a38b23a89487105dce90bd97ba6fd0e96760875a.tar.gz master-31e0f0ae-a38b23a89487105dce90bd97ba6fd0e96760875a.tar.bz2 master-31e0f0ae-a38b23a89487105dce90bd97ba6fd0e96760875a.zip |
many more code cleanups for checkpatch.pl, most flagged as errors
SVN-Revision: 13665
Diffstat (limited to 'target/linux/ifxmips/files/arch/mips')
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/clock.c | 99 | ||||
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c | 56 | ||||
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c | 136 | ||||
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c | 14 | ||||
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/prom.c | 25 | ||||
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/reset.c | 20 | ||||
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/setup.c | 6 | ||||
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/ifxmips/timer.c | 575 |
8 files changed, 441 insertions, 490 deletions
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c b/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c index 40a6b99194..d44bf44e4f 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/clock.c @@ -70,33 +70,31 @@ unsigned int ifxmips_clocks[] = {CLOCK_167M, CLOCK_133M, CLOCK_111M, CLOCK_83M } #define DDR_HZ ifxmips_clocks[ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3] - -static inline unsigned int -get_input_clock(int pll) +static inline unsigned int get_input_clock(int pll) { - switch(pll) - { + switch (pll) { case 0: - if(ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & CGU_PLL0_SRC) + if (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & CGU_PLL0_SRC) return BASIS_INPUT_CRYSTAL_USB; - else if(CGU_PLL0_PHASE_DIVIDER_ENABLE) + else if (CGU_PLL0_PHASE_DIVIDER_ENABLE) return BASIC_INPUT_CLOCK_FREQUENCY_1; else return BASIC_INPUT_CLOCK_FREQUENCY_2; case 1: - if(CGU_PLL1_SRC) + if (CGU_PLL1_SRC) return BASIS_INPUT_CRYSTAL_USB; - else if(CGU_PLL0_PHASE_DIVIDER_ENABLE) + else if (CGU_PLL0_PHASE_DIVIDER_ENABLE) return BASIC_INPUT_CLOCK_FREQUENCY_1; else return BASIC_INPUT_CLOCK_FREQUENCY_2; case 2: - switch(CGU_PLL2_SRC) - { + switch (CGU_PLL2_SRC) { case 0: return cgu_get_pll0_fdiv(); case 1: - return CGU_PLL2_PHASE_DIVIDER_ENABLE ? BASIC_INPUT_CLOCK_FREQUENCY_1 : BASIC_INPUT_CLOCK_FREQUENCY_2; + return CGU_PLL2_PHASE_DIVIDER_ENABLE ? + BASIC_INPUT_CLOCK_FREQUENCY_1 : + BASIC_INPUT_CLOCK_FREQUENCY_2; case 2: return BASIS_INPUT_CRYSTAL_USB; } @@ -105,8 +103,7 @@ get_input_clock(int pll) } } -static inline unsigned int -cal_dsm(int pll, unsigned int num, unsigned int den) +static inline unsigned int cal_dsm(int pll, unsigned int num, unsigned int den) { u64 res, clock = get_input_clock(pll); @@ -115,8 +112,8 @@ cal_dsm(int pll, unsigned int num, unsigned int den) return res; } -static inline unsigned int -mash_dsm(int pll, unsigned int M, unsigned int N, unsigned int K) +static inline unsigned int mash_dsm(int pll, unsigned int M, unsigned int N, + unsigned int K) { unsigned int num = ((N + 1) << 10) + K; unsigned int den = (M + 1) << 10; @@ -124,8 +121,8 @@ mash_dsm(int pll, unsigned int M, unsigned int N, unsigned int K) return cal_dsm(pll, num, den); } -static inline unsigned int -ssff_dsm_1(int pll, unsigned int M, unsigned int N, unsigned int K) +static inline unsigned int ssff_dsm_1(int pll, unsigned int M, unsigned int N, + unsigned int K) { unsigned int num = ((N + 1) << 11) + K + 512; unsigned int den = (M + 1) << 11; @@ -133,8 +130,8 @@ ssff_dsm_1(int pll, unsigned int M, unsigned int N, unsigned int K) return cal_dsm(pll, num, den); } -static inline unsigned int -ssff_dsm_2(int pll, unsigned int M, unsigned int N, unsigned int K) +static inline unsigned int ssff_dsm_2(int pll, unsigned int M, unsigned int N, + unsigned int K) { unsigned int num = K >= 512 ? ((N + 1) << 12) + K - 512 : ((N + 1) << 12) + K + 3584; @@ -143,22 +140,20 @@ ssff_dsm_2(int pll, unsigned int M, unsigned int N, unsigned int K) return cal_dsm(pll, num, den); } -static inline unsigned int -dsm(int pll, unsigned int M, unsigned int N, unsigned int K, - unsigned int dsmsel, unsigned int phase_div_en) +static inline unsigned int dsm(int pll, unsigned int M, unsigned int N, + unsigned int K, unsigned int dsmsel, unsigned int phase_div_en) { - if(!dsmsel) + if (!dsmsel) return mash_dsm(pll, M, N, K); - else if(!phase_div_en) + else if (!phase_div_en) return mash_dsm(pll, M, N, K); else return ssff_dsm_2(pll, M, N, K); } -static inline unsigned int -cgu_get_pll0_fosc(void) +static inline unsigned int cgu_get_pll0_fosc(void) { - if(CGU_PLL0_BYPASS) + if (CGU_PLL0_BYPASS) return get_input_clock(0); else return !CGU_PLL0_CFG_FRAC_EN @@ -168,19 +163,16 @@ cgu_get_pll0_fosc(void) CGU_PLL0_CFG_DSMSEL, CGU_PLL0_PHASE_DIVIDER_ENABLE); } -static unsigned int -cgu_get_pll0_fdiv(void) +static unsigned int cgu_get_pll0_fdiv(void) { - register unsigned int div = CGU_PLL2_CFG_INPUT_DIV + 1; + unsigned int div = CGU_PLL2_CFG_INPUT_DIV + 1; return (cgu_get_pll0_fosc() + (div >> 1)) / div; } -unsigned int -cgu_get_io_region_clock(void) +unsigned int cgu_get_io_region_clock(void) { - register unsigned int ret = cgu_get_pll0_fosc(); - switch(ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & CGU_SYS_DDR_SEL) - { + unsigned int ret = cgu_get_pll0_fosc(); + switch (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & CGU_SYS_DDR_SEL) { default: case 0: return (ret + 1) / 2; @@ -193,36 +185,36 @@ cgu_get_io_region_clock(void) } } -unsigned int -cgu_get_fpi_bus_clock(int fpi) +unsigned int cgu_get_fpi_bus_clock(int fpi) { - register unsigned int ret = cgu_get_io_region_clock(); - if((fpi == 2) && (ifxmips_r32(IFXMIPS_CGU_SYS) & CGU_SYS_FPI_SEL)) + unsigned int ret = cgu_get_io_region_clock(); + if ((fpi == 2) && (ifxmips_r32(IFXMIPS_CGU_SYS) & CGU_SYS_FPI_SEL)) ret >>= 1; return ret; } void cgu_setup_pci_clk(int external_clock) { - //set clock to 33Mhz - ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000, IFXMIPS_CGU_IFCCR); - ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000, IFXMIPS_CGU_IFCCR); - if(external_clock) - { - ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~ (1 << 16), IFXMIPS_CGU_IFCCR); + /* set clock to 33Mhz */ + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000, + IFXMIPS_CGU_IFCCR); + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000, + IFXMIPS_CGU_IFCCR); + if (external_clock) { + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~(1 << 16), + IFXMIPS_CGU_IFCCR); ifxmips_w32((1 << 30), IFXMIPS_CGU_PCICR); } else { - ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16), IFXMIPS_CGU_IFCCR); + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16), + IFXMIPS_CGU_IFCCR); ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR); } } -unsigned int -ifxmips_get_cpu_hz(void) +unsigned int ifxmips_get_cpu_hz(void) { unsigned int ddr_clock = DDR_HZ; - switch(ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc) - { + switch (ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc) { case 0: return CLOCK_333M; case 4: @@ -232,11 +224,10 @@ ifxmips_get_cpu_hz(void) } EXPORT_SYMBOL(ifxmips_get_cpu_hz); -unsigned int -ifxmips_get_fpi_hz(void) +unsigned int ifxmips_get_fpi_hz(void) { unsigned int ddr_clock = DDR_HZ; - if(ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40) + if (ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40) return ddr_clock >> 1; return ddr_clock; } diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c b/target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c index b31c622801..b334200cae 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/dma-core.c @@ -37,13 +37,13 @@ extern void ifxmips_enable_irq(unsigned int irq_nr); extern void ifxmips_disable_irq(unsigned int irq_nr); u64 *g_desc_list; -_dma_device_info dma_devs[MAX_DMA_DEVICE_NUM]; -_dma_channel_info dma_chan[MAX_DMA_CHANNEL_NUM]; +struct dma_device_info dma_devs[MAX_DMA_DEVICE_NUM]; +struct dma_channel_info dma_chan[MAX_DMA_CHANNEL_NUM]; static const char *global_device_name[MAX_DMA_DEVICE_NUM] = { "PPE", "DEU", "SPI", "SDIO", "MCTRL0", "MCTRL1" }; -_dma_chan_map default_dma_map[MAX_DMA_CHANNEL_NUM] = { +struct dma_chan_map default_dma_map[MAX_DMA_CHANNEL_NUM] = { {"PPE", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH0_INT, 0}, {"PPE", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH1_INT, 0}, {"PPE", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH2_INT, 1}, @@ -66,7 +66,7 @@ _dma_chan_map default_dma_map[MAX_DMA_CHANNEL_NUM] = { {"MCTRL1", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH19_INT, 1} }; -_dma_chan_map *chan_map = default_dma_map; +struct dma_chan_map *chan_map = default_dma_map; volatile u32 g_ifxmips_dma_int_status; volatile int g_ifxmips_dma_in_process; /* 0=not in process, 1=in process */ @@ -87,7 +87,7 @@ void common_buffer_free(u8 *dataptr, void *opt) kfree(dataptr); } -void enable_ch_irq(_dma_channel_info *pCh) +void enable_ch_irq(struct dma_channel_info *pCh) { int chan_no = (int)(pCh - dma_chan); unsigned long flag; @@ -100,7 +100,7 @@ void enable_ch_irq(_dma_channel_info *pCh) ifxmips_enable_irq(pCh->irq); } -void disable_ch_irq(_dma_channel_info *pCh) +void disable_ch_irq(struct dma_channel_info *pCh) { unsigned long flag; int chan_no = (int) (pCh - dma_chan); @@ -114,7 +114,7 @@ void disable_ch_irq(_dma_channel_info *pCh) ifxmips_mask_and_ack_irq(pCh->irq); } -void open_chan(_dma_channel_info *pCh) +void open_chan(struct dma_channel_info *pCh) { unsigned long flag; int chan_no = (int)(pCh - dma_chan); @@ -127,7 +127,7 @@ void open_chan(_dma_channel_info *pCh) local_irq_restore(flag); } -void close_chan(_dma_channel_info *pCh) +void close_chan(struct dma_channel_info *pCh) { unsigned long flag; int chan_no = (int) (pCh - dma_chan); @@ -139,7 +139,7 @@ void close_chan(_dma_channel_info *pCh) local_irq_restore(flag); } -void reset_chan(_dma_channel_info *pCh) +void reset_chan(struct dma_channel_info *pCh) { int chan_no = (int) (pCh - dma_chan); @@ -149,8 +149,8 @@ void reset_chan(_dma_channel_info *pCh) void rx_chan_intr_handler(int chan_no) { - _dma_device_info *pDev = (_dma_device_info *)dma_chan[chan_no].dma_dev; - _dma_channel_info *pCh = &dma_chan[chan_no]; + struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev; + struct dma_channel_info *pCh = &dma_chan[chan_no]; struct rx_desc *rx_desc_p; int tmp; unsigned long flag; @@ -179,8 +179,8 @@ void rx_chan_intr_handler(int chan_no) inline void tx_chan_intr_handler(int chan_no) { - _dma_device_info *pDev = (_dma_device_info *)dma_chan[chan_no].dma_dev; - _dma_channel_info *pCh = &dma_chan[chan_no]; + struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev; + struct dma_channel_info *pCh = &dma_chan[chan_no]; int tmp; unsigned long flag; @@ -242,11 +242,11 @@ void do_dma_tasklet(unsigned long unused) irqreturn_t dma_interrupt(int irq, void *dev_id) { - _dma_channel_info *pCh; + struct dma_channel_info *pCh; int chan_no = 0; int tmp; - pCh = (_dma_channel_info *)dev_id; + pCh = (struct dma_channel_info *)dev_id; chan_no = (int)(pCh - dma_chan); if (chan_no < 0 || chan_no > 19) BUG(); @@ -265,7 +265,7 @@ irqreturn_t dma_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -_dma_device_info *dma_device_reserve(char *dev_name) +struct dma_device_info *dma_device_reserve(char *dev_name) { int i; @@ -282,21 +282,21 @@ _dma_device_info *dma_device_reserve(char *dev_name) } EXPORT_SYMBOL(dma_device_reserve); -void dma_device_release(_dma_device_info *dev) +void dma_device_release(struct dma_device_info *dev) { dev->reserved = 0; } EXPORT_SYMBOL(dma_device_release); -void dma_device_register(_dma_device_info *dev) +void dma_device_register(struct dma_device_info *dev) { int i, j; int chan_no = 0; u8 *buffer; int byte_offset; unsigned long flag; - _dma_device_info *pDev; - _dma_channel_info *pCh; + struct dma_device_info *pDev; + struct dma_channel_info *pCh; struct rx_desc *rx_desc_p; struct tx_desc *tx_desc_p; @@ -331,7 +331,7 @@ void dma_device_register(_dma_device_info *dev) for (j = 0; j < pCh->desc_len; j++) { rx_desc_p = (struct rx_desc *)pCh->desc_base + j; - pDev = (_dma_device_info *)(pCh->dma_dev); + pDev = (struct dma_device_info *)(pCh->dma_dev); buffer = pDev->buffer_alloc(pCh->packet_size, &byte_offset, (void *)&(pCh->opt[j])); if (!buffer) break; @@ -364,11 +364,11 @@ void dma_device_register(_dma_device_info *dev) } EXPORT_SYMBOL(dma_device_register); -void dma_device_unregister(_dma_device_info *dev) +void dma_device_unregister(struct dma_device_info *dev) { int i, j; int chan_no; - _dma_channel_info *pCh; + struct dma_channel_info *pCh; struct rx_desc *rx_desc_p; struct tx_desc *tx_desc_p; unsigned long flag; @@ -442,7 +442,7 @@ int dma_device_read(struct dma_device_info *dma_dev, u8 **dataptr, void **opt) int len; int byte_offset = 0; void *p = NULL; - _dma_channel_info *pCh = dma_dev->rx_chan[dma_dev->current_rx_chan]; + struct dma_channel_info *pCh = dma_dev->rx_chan[dma_dev->current_rx_chan]; struct rx_desc *rx_desc_p; /* get the rx data first */ @@ -488,13 +488,13 @@ int dma_device_write(struct dma_device_info *dma_dev, u8 *dataptr, int len, void { unsigned long flag; u32 tmp, byte_offset; - _dma_channel_info *pCh; + struct dma_channel_info *pCh; int chan_no; struct tx_desc *tx_desc_p; local_irq_save(flag); pCh = dma_dev->tx_chan[dma_dev->current_tx_chan]; - chan_no = (int)(pCh - (_dma_channel_info *) dma_chan); + chan_no = (int)(pCh - (struct dma_channel_info *) dma_chan); tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc; while (tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C) { @@ -546,13 +546,13 @@ int dma_device_write(struct dma_device_info *dma_dev, u8 *dataptr, int len, void } EXPORT_SYMBOL(dma_device_write); -int map_dma_chan(_dma_chan_map *map) +int map_dma_chan(struct dma_chan_map *map) { int i, j; int result; for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) - strcpy(dma_devs[i].device_name, global_device_name[i]); + dma_devs[i].device_name = &global_device_name[i]; for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { dma_chan[i].irq = map[i].irq; diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c index bd34b91179..2100ebb4c3 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/gpio.c @@ -51,7 +51,7 @@ static struct timer_list rst_button_timer; extern struct sock *uevent_sock; extern u64 uevent_next_seqnum(void); static unsigned long seen; -static int pressed = 0; +static int pressed; struct event_t { struct work_struct wq; @@ -61,26 +61,24 @@ struct event_t { #endif #define IFXMIPS_GPIO_SANITY {if (port > MAX_PORTS || pin > PINS_PER_PORT) return -EINVAL; } -int -ifxmips_port_reserve_pin(unsigned int port, unsigned int pin) + +int ifxmips_port_reserve_pin(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; - printk("%s : call to obseleted function\n", __func__); + printk(KERN_INFO "%s : call to obseleted function\n", __func__); return 0; } EXPORT_SYMBOL(ifxmips_port_reserve_pin); -int -ifxmips_port_free_pin(unsigned int port, unsigned int pin) +int ifxmips_port_free_pin(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; - printk("%s : call to obseleted function\n", __func__); + printk(KERN_INFO "%s : call to obseleted function\n", __func__); return 0; } EXPORT_SYMBOL(ifxmips_port_free_pin); -int -ifxmips_port_set_open_drain(unsigned int port, unsigned int pin) +int ifxmips_port_set_open_drain(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) | (1 << pin), @@ -89,8 +87,7 @@ ifxmips_port_set_open_drain(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_set_open_drain); -int -ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin) +int ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin) { IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) & ~(1 << pin), @@ -99,110 +96,99 @@ ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_clear_open_drain); -int -ifxmips_port_set_pudsel(unsigned int port, unsigned int pin) +int ifxmips_port_set_pudsel(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_set_pudsel); -int -ifxmips_port_clear_pudsel (unsigned int port, unsigned int pin) +int ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_clear_pudsel); -int -ifxmips_port_set_puden(unsigned int port, unsigned int pin) +int ifxmips_port_set_puden(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_set_puden); -int -ifxmips_port_clear_puden(unsigned int port, unsigned int pin) +int ifxmips_port_clear_puden(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_clear_puden); -int -ifxmips_port_set_stoff(unsigned int port, unsigned int pin) +int ifxmips_port_set_stoff(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_STOFF + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_set_stoff); -int -ifxmips_port_clear_stoff(unsigned int port, unsigned int pin) +int ifxmips_port_clear_stoff(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_STOFF + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_clear_stoff); -int -ifxmips_port_set_dir_out(unsigned int port, unsigned int pin) +int ifxmips_port_set_dir_out(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_DIR + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_set_dir_out); -int -ifxmips_port_set_dir_in(unsigned int port, unsigned int pin) +int ifxmips_port_set_dir_in(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_DIR + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_set_dir_in); -int -ifxmips_port_set_output(unsigned int port, unsigned int pin) +int ifxmips_port_set_output(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_OUT + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_set_output); -int -ifxmips_port_clear_output(unsigned int port, unsigned int pin) +int ifxmips_port_clear_output(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_OUT + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_clear_output); -int -ifxmips_port_get_input(unsigned int port, unsigned int pin) +int ifxmips_port_get_input(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; if (ifxmips_r32(IFXMIPS_GPIO_P0_IN + (port * 0xC)) & (1 << pin)) return 0; else @@ -210,40 +196,36 @@ ifxmips_port_get_input(unsigned int port, unsigned int pin) } EXPORT_SYMBOL(ifxmips_port_get_input); -int -ifxmips_port_set_altsel0(unsigned int port, unsigned int pin) +int ifxmips_port_set_altsel0(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_set_altsel0); -int -ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin) +int ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_clear_altsel0); -int -ifxmips_port_set_altsel1(unsigned int port, unsigned int pin) +int ifxmips_port_set_altsel1(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) | (1 << pin), IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)); return 0; } EXPORT_SYMBOL(ifxmips_port_set_altsel1); -int -ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin) +int ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin) { - IFXMIPS_GPIO_SANITY; + IFXMIPS_GPIO_SANITY; ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) & ~(1 << pin), IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)); return 0; @@ -251,16 +233,14 @@ ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin) EXPORT_SYMBOL(ifxmips_port_clear_altsel1); #ifdef CONFIG_IFXMIPS_GPIO_RST_BTN -static inline void -add_msg(struct sk_buff *skb, char *msg) +static inline void add_msg(struct sk_buff *skb, char *msg) { char *scratch; scratch = skb_put(skb, strlen(msg) + 1); sprintf(scratch, msg); } -static void -hotplug_button(struct work_struct *wq) +static void hotplug_button(struct work_struct *wq) { struct sk_buff *skb; struct event_t *event; @@ -269,17 +249,17 @@ hotplug_button(struct work_struct *wq) char buf[128]; event = container_of(wq, struct event_t, wq); - if(!uevent_sock) + if (!uevent_sock) goto done; s = event->set ? "pressed" : "released"; len = strlen(s) + 2; skb = alloc_skb(len + 2048, GFP_KERNEL); - if(!skb) + if (!skb) goto done; scratch = skb_put(skb, len); - sprintf(scratch, "%s@",s); + sprintf(scratch, "%s@", s); add_msg(skb, "HOME=/"); add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin"); add_msg(skb, "SUBSYSTEM=button"); @@ -296,24 +276,21 @@ done: kfree(event); } -static void -reset_button_poll(unsigned long unused) +static void reset_button_poll(unsigned long unused) { struct event_t *event; rst_button_timer.expires = jiffies + (HZ / 4); add_timer(&rst_button_timer); - if (pressed != ifxmips_port_get_input(rst_port, rst_pin)) - { - if(pressed) + if (pressed != ifxmips_port_get_input(rst_port, rst_pin)) { + if (pressed) pressed = 0; else pressed = 1; - event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC); - if (!event) - { - printk("Could not alloc hotplug event\n"); + event = kzalloc(sizeof(struct event_t), GFP_ATOMIC); + if (!event) { + printk(KERN_INFO "Could not alloc hotplug event\n"); return; } event->set = pressed; @@ -325,8 +302,7 @@ reset_button_poll(unsigned long unused) } #endif -static int -ifxmips_gpio_probe(struct platform_device *dev) +static int ifxmips_gpio_probe(struct platform_device *dev) { int retval = 0; @@ -346,8 +322,7 @@ ifxmips_gpio_probe(struct platform_device *dev) return retval; } -static int -ifxmips_gpio_remove(struct platform_device *pdev) +static int ifxmips_gpio_remove(struct platform_device *pdev) { #ifdef CONFIG_IFXMIPS_GPIO_RST_BTN del_timer_sync(&rst_button_timer); @@ -355,8 +330,7 @@ ifxmips_gpio_remove(struct platform_device *pdev) return 0; } -static struct -platform_driver ifxmips_gpio_driver = { +static struct platform_driver ifxmips_gpio_driver = { .probe = ifxmips_gpio_probe, .remove = ifxmips_gpio_remove, .driver = { @@ -365,8 +339,7 @@ platform_driver ifxmips_gpio_driver = { }, }; -int __init -ifxmips_gpio_init(void) +int __init ifxmips_gpio_init(void) { int ret = platform_driver_register(&ifxmips_gpio_driver); if (ret) @@ -374,8 +347,7 @@ ifxmips_gpio_init(void) return ret; } -void __exit -ifxmips_gpio_exit(void) +void __exit ifxmips_gpio_exit(void) { platform_driver_unregister(&ifxmips_gpio_driver); } diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c b/target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c index 2831182ab8..eac50b62da 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/pmu.c @@ -13,7 +13,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. * - * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> */ #include <linux/kernel.h> @@ -21,21 +21,21 @@ #include <linux/version.h> #include <asm/ifxmips/ifxmips.h> -void -ifxmips_pmu_enable(unsigned int module) +void ifxmips_pmu_enable(unsigned int module) { int err = 1000000; - ifxmips_w32(ifxmips_r32(IFXMIPS_PMU_PWDCR) & ~module, IFXMIPS_PMU_PWDCR); - while (--err && (ifxmips_r32(IFXMIPS_PMU_PWDSR) & module)) {} + ifxmips_w32(ifxmips_r32(IFXMIPS_PMU_PWDCR) & ~module, + IFXMIPS_PMU_PWDCR); + while (--err && (ifxmips_r32(IFXMIPS_PMU_PWDSR) & module)) + ; if (!err) panic("activating PMU module failed!"); } EXPORT_SYMBOL(ifxmips_pmu_enable); -void -ifxmips_pmu_disable(unsigned int module) +void ifxmips_pmu_disable(unsigned int module) { ifxmips_w32(ifxmips_r32(IFXMIPS_PMU_PWDCR) | module, IFXMIPS_PMU_PWDCR); } diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c index ef8750b6fe..a0fc68ebd6 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/prom.c @@ -26,11 +26,11 @@ static char buf[1024]; /* for prom_printf() */ /* for voice cpu (MIPS24K) */ -unsigned int *prom_cp1_base = NULL; -unsigned int prom_cp1_size = 0; +unsigned int *prom_cp1_base; +unsigned int prom_cp1_size; /* for Multithreading (APRP) on MIPS34K */ -unsigned long physical_memsize = 0L; +unsigned long physical_memsize; #ifdef IFXMIPS_PROM_ASC0 #define IFXMIPS_ASC_DIFF 0 @@ -57,7 +57,8 @@ void prom_putchar(char c) unsigned long flags; local_irq_save(flags); - while((asc_r32(IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF); + while ((asc_r32(IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF) + ; if (c == '\n') asc_w32('\r', IFXMIPS_ASC_TBUF); @@ -105,10 +106,9 @@ void __init prom_init(void) mips_machtype = MACH_INFINEON_IFXMIPS; if (argc) { - argv = (char**)KSEG1ADDR((unsigned long)argv); + argv = (char **)KSEG1ADDR((unsigned long)argv); arcs_cmdline[0] = '\0'; - for (i = 1; i < argc; i++) - { + for (i = 1; i < argc; i++) { char *a = (char *)KSEG1ADDR(argv[i]); if (!argv[i]) continue; @@ -129,25 +129,22 @@ void __init prom_init(void) strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit"); } - envp = (char**)KSEG1ADDR((unsigned long)envp); - while(*envp) - { + envp = (char **)KSEG1ADDR((unsigned long)envp); + while (*envp) { char *e = (char *)KSEG1ADDR(*envp); - if (!strncmp(e, "memsize=", 8)) - { + if (!strncmp(e, "memsize=", 8)) { e += 8; memsize = simple_strtoul(e, NULL, 10); } envp++; } - memsize *= 1024 * 1024; /* only on Twinpass/Danube a second CPU is used for Voice */ if ((cpu_data[0].cputype == CPU_24K) && (prom_cp1_size)) { memsize -= prom_cp1_size; - prom_cp1_base = (unsigned int*)KSEG1ADDR(memsize); + prom_cp1_base = (unsigned int *)KSEG1ADDR(memsize); prom_printf("Using %dMB Ram and reserving %dMB for cp1\n", memsize>>20, prom_cp1_size>>20); diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c b/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c index c85d75381f..5312948859 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/reset.c @@ -13,14 +13,14 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. * - * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> */ #include <linux/kernel.h> #include <linux/pm.h> -#include <asm/reboot.h> +#include <linux/reboot.h> +#include <linux/io.h> #include <asm/system.h> -#include <asm/io.h> #include <asm/ifxmips/ifxmips.h> static void ifxmips_machine_restart(char *command) @@ -28,22 +28,26 @@ static void ifxmips_machine_restart(char *command) printk(KERN_NOTICE "System restart\n"); local_irq_disable(); - ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_ALL, IFXMIPS_RCU_RST); - for(;;); + ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_ALL, + IFXMIPS_RCU_RST); + for (;;) + ; } static void ifxmips_machine_halt(void) { printk(KERN_NOTICE "System halted.\n"); local_irq_disable(); - for(;;); + for (;;) + ; } static void ifxmips_machine_power_off(void) { - printk (KERN_NOTICE "Please turn off the power now.\n"); + printk(KERN_NOTICE "Please turn off the power now.\n"); local_irq_disable(); - for(;;); + for (;;) + ; } void ifxmips_reboot_setup(void) diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c index 1cfac14a81..f36bb0572a 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/setup.c @@ -19,11 +19,13 @@ #include <linux/init.h> -#include <asm/time.h> -#include <asm/traps.h> +#include <linux/time.h> #include <linux/cpu.h> + +#include <asm/traps.h> #include <asm/irq.h> #include <asm/bootinfo.h> + #include <asm/ifxmips/ifxmips.h> #include <asm/ifxmips/ifxmips_irq.h> #include <asm/ifxmips/ifxmips_pmu.h> diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/timer.c b/target/linux/ifxmips/files/arch/mips/ifxmips/timer.c index 248ced21e7..8d8d431a85 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/timer.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/timer.c @@ -5,130 +5,135 @@ #include <linux/fs.h> #include <linux/miscdevice.h> #include <linux/init.h> -#include <asm/uaccess.h> -#include <asm/unistd.h> -#include <asm/irq.h> -#include <asm/div64.h> +#include <linux/uaccess.h> +#include <linux/unistd.h> #include <linux/errno.h> #include <linux/interrupt.h> +#include <asm/irq.h> +#include <asm/div64.h> + #include <asm/ifxmips/ifxmips.h> #include <asm/ifxmips/ifxmips_irq.h> #include <asm/ifxmips/ifxmips_cgu.h> #include <asm/ifxmips/ifxmips_gptu.h> #include <asm/ifxmips/ifxmips_pmu.h> -#define MAX_NUM_OF_32BIT_TIMER_BLOCKS 6 +#define MAX_NUM_OF_32BIT_TIMER_BLOCKS 6 #ifdef TIMER1A -#define FIRST_TIMER TIMER1A +#define FIRST_TIMER TIMER1A #else -#define FIRST_TIMER 2 +#define FIRST_TIMER 2 #endif /* * GPTC divider is set or not. */ -#define GPTU_CLC_RMC_IS_SET 0 +#define GPTU_CLC_RMC_IS_SET 0 /* * Timer Interrupt (IRQ) */ -#define TIMER_INTERRUPT INT_NUM_IM3_IRL0 + 22 // Must be adjusted when ICU driver is available +/* Must be adjusted when ICU driver is available */ +#define TIMER_INTERRUPT (INT_NUM_IM3_IRL0 + 22) /* * Bits Operation */ -#define GET_BITS(x, msb, lsb) (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb)) -#define SET_BITS(x, msb, lsb, value) (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb))) +#define GET_BITS(x, msb, lsb) \ + (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb)) +#define SET_BITS(x, msb, lsb, value) \ + (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | \ + (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb))) /* * GPTU Register Mapping */ -#define IFXMIPS_GPTU (KSEG1 + 0x1E100A00) -#define IFXMIPS_GPTU_CLC ((volatile u32*)(IFXMIPS_GPTU + 0x0000)) -#define IFXMIPS_GPTU_ID ((volatile u32*)(IFXMIPS_GPTU + 0x0008)) -#define IFXMIPS_GPTU_CON(n, X) ((volatile u32*)(IFXMIPS_GPTU + 0x0010 + ((X) * 4) + ((n) - 1) * 0x0020)) // X must be either A or B -#define IFXMIPS_GPTU_RUN(n, X) ((volatile u32*)(IFXMIPS_GPTU + 0x0018 + ((X) * 4) + ((n) - 1) * 0x0020)) // X must be either A or B -#define IFXMIPS_GPTU_RELOAD(n, X) ((volatile u32*)(IFXMIPS_GPTU + 0x0020 + ((X) * 4) + ((n) - 1) * 0x0020)) // X must be either A or B -#define IFXMIPS_GPTU_COUNT(n, X) ((volatile u32*)(IFXMIPS_GPTU + 0x0028 + ((X) * 4) + ((n) - 1) * 0x0020)) // X must be either A or B -#define IFXMIPS_GPTU_IRNEN ((volatile u32*)(IFXMIPS_GPTU + 0x00F4)) -#define IFXMIPS_GPTU_IRNICR ((volatile u32*)(IFXMIPS_GPTU + 0x00F8)) -#define IFXMIPS_GPTU_IRNCR ((volatile u32*)(IFXMIPS_GPTU + 0x00FC)) +#define IFXMIPS_GPTU (KSEG1 + 0x1E100A00) +#define IFXMIPS_GPTU_CLC ((volatile u32 *)(IFXMIPS_GPTU + 0x0000)) +#define IFXMIPS_GPTU_ID ((volatile u32 *)(IFXMIPS_GPTU + 0x0008)) +#define IFXMIPS_GPTU_CON(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0010 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */ +#define IFXMIPS_GPTU_RUN(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0018 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */ +#define IFXMIPS_GPTU_RELOAD(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0020 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */ +#define IFXMIPS_GPTU_COUNT(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0028 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */ +#define IFXMIPS_GPTU_IRNEN ((volatile u32 *)(IFXMIPS_GPTU + 0x00F4)) +#define IFXMIPS_GPTU_IRNICR ((volatile u32 *)(IFXMIPS_GPTU + 0x00F8)) +#define IFXMIPS_GPTU_IRNCR ((volatile u32 *)(IFXMIPS_GPTU + 0x00FC)) /* * Clock Control Register */ -#define GPTU_CLC_SMC GET_BITS(*IFXMIPS_GPTU_CLC, 23, 16) -#define GPTU_CLC_RMC GET_BITS(*IFXMIPS_GPTU_CLC, 15, 8) -#define GPTU_CLC_FSOE (*IFXMIPS_GPTU_CLC & (1 << 5)) -#define GPTU_CLC_EDIS (*IFXMIPS_GPTU_CLC & (1 << 3)) -#define GPTU_CLC_SPEN (*IFXMIPS_GPTU_CLC & (1 << 2)) -#define GPTU_CLC_DISS (*IFXMIPS_GPTU_CLC & (1 << 1)) -#define GPTU_CLC_DISR (*IFXMIPS_GPTU_CLC & (1 << 0)) - -#define GPTU_CLC_SMC_SET(value) SET_BITS(0, 23, 16, (value)) -#define GPTU_CLC_RMC_SET(value) SET_BITS(0, 15, 8, (value)) -#define GPTU_CLC_FSOE_SET(value) ((value) ? (1 << 5) : 0) -#define GPTU_CLC_SBWE_SET(value) ((value) ? (1 << 4) : 0) -#define GPTU_CLC_EDIS_SET(value) ((value) ? (1 << 3) : 0) -#define GPTU_CLC_SPEN_SET(value) ((value) ? (1 << 2) : 0) -#define GPTU_CLC_DISR_SET(value) ((value) ? (1 << 0) : 0) +#define GPTU_CLC_SMC GET_BITS(*IFXMIPS_GPTU_CLC, 23, 16) +#define GPTU_CLC_RMC GET_BITS(*IFXMIPS_GPTU_CLC, 15, 8) +#define GPTU_CLC_FSOE (*IFXMIPS_GPTU_CLC & (1 << 5)) +#define GPTU_CLC_EDIS (*IFXMIPS_GPTU_CLC & (1 << 3)) +#define GPTU_CLC_SPEN (*IFXMIPS_GPTU_CLC & (1 << 2)) +#define GPTU_CLC_DISS (*IFXMIPS_GPTU_CLC & (1 << 1)) +#define GPTU_CLC_DISR (*IFXMIPS_GPTU_CLC & (1 << 0)) + +#define GPTU_CLC_SMC_SET(value) SET_BITS(0, 23, 16, (value)) +#define GPTU_CLC_RMC_SET(value) SET_BITS(0, 15, 8, (value)) +#define GPTU_CLC_FSOE_SET(value) ((value) ? (1 << 5) : 0) +#define GPTU_CLC_SBWE_SET(value) ((value) ? (1 << 4) : 0) +#define GPTU_CLC_EDIS_SET(value) ((value) ? (1 << 3) : 0) +#define GPTU_CLC_SPEN_SET(value) ((value) ? (1 << 2) : 0) +#define GPTU_CLC_DISR_SET(value) ((value) ? (1 << 0) : 0) /* * ID Register */ -#define GPTU_ID_ID GET_BITS(*IFXMIPS_GPTU_ID, 15, 8) -#define GPTU_ID_CFG GET_BITS(*IFXMIPS_GPTU_ID, 7, 5) -#define GPTU_ID_REV GET_BITS(*IFXMIPS_GPTU_ID, 4, 0) +#define GPTU_ID_ID GET_BITS(*IFXMIPS_GPTU_ID, 15, 8) +#define GPTU_ID_CFG GET_BITS(*IFXMIPS_GPTU_ID, 7, 5) +#define GPTU_ID_REV GET_BITS(*IFXMIPS_GPTU_ID, 4, 0) /* * Control Register of Timer/Counter nX * n is the index of block (1 based index) * X is either A or B */ -#define GPTU_CON_SRC_EG(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 10)) -#define GPTU_CON_SRC_EXT(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 9)) -#define GPTU_CON_SYNC(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 8)) -#define GPTU_CON_EDGE(n, X) GET_BITS(*IFXMIPS_GPTU_CON(n, X), 7, 6) -#define GPTU_CON_INV(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 5)) -#define GPTU_CON_EXT(n, X) (*IFXMIPS_GPTU_CON(n, A) & (1 << 4)) // Timer/Counter B does not have this bit -#define GPTU_CON_STP(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 3)) -#define GPTU_CON_CNT(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 2)) -#define GPTU_CON_DIR(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 1)) -#define GPTU_CON_EN(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 0)) - -#define GPTU_CON_SRC_EG_SET(value) ((value) ? 0 : (1 << 10)) -#define GPTU_CON_SRC_EXT_SET(value) ((value) ? (1 << 9) : 0) -#define GPTU_CON_SYNC_SET(value) ((value) ? (1 << 8) : 0) -#define GPTU_CON_EDGE_SET(value) SET_BITS(0, 7, 6, (value)) -#define GPTU_CON_INV_SET(value) ((value) ? (1 << 5) : 0) -#define GPTU_CON_EXT_SET(value) ((value) ? (1 << 4) : 0) -#define GPTU_CON_STP_SET(value) ((value) ? (1 << 3) : 0) -#define GPTU_CON_CNT_SET(value) ((value) ? (1 << 2) : 0) -#define GPTU_CON_DIR_SET(value) ((value) ? (1 << 1) : 0) - -#define GPTU_RUN_RL_SET(value) ((value) ? (1 << 2) : 0) -#define GPTU_RUN_CEN_SET(value) ((value) ? (1 << 1) : 0) -#define GPTU_RUN_SEN_SET(value) ((value) ? (1 << 0) : 0) - -#define GPTU_IRNEN_TC_SET(n, X, value) ((value) ? (1 << (((n) - 1) * 2 + (X))) : 0) -#define GPTU_IRNCR_TC_SET(n, X, value) ((value) ? (1 << (((n) - 1) * 2 + (X))) : 0) - -#define TIMER_FLAG_MASK_SIZE(x) (x & 0x0001) -#define TIMER_FLAG_MASK_TYPE(x) (x & 0x0002) -#define TIMER_FLAG_MASK_STOP(x) (x & 0x0004) -#define TIMER_FLAG_MASK_DIR(x) (x & 0x0008) -#define TIMER_FLAG_NONE_EDGE 0x0000 -#define TIMER_FLAG_MASK_EDGE(x) (x & 0x0030) -#define TIMER_FLAG_REAL 0x0000 -#define TIMER_FLAG_INVERT 0x0040 -#define TIMER_FLAG_MASK_INVERT(x) (x & 0x0040) -#define TIMER_FLAG_MASK_TRIGGER(x) (x & 0x0070) -#define TIMER_FLAG_MASK_SYNC(x) (x & 0x0080) -#define TIMER_FLAG_CALLBACK_IN_HB 0x0200 -#define TIMER_FLAG_MASK_HANDLE(x) (x & 0x0300) -#define TIMER_FLAG_MASK_SRC(x) (x & 0x1000) +#define GPTU_CON_SRC_EG(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 10)) +#define GPTU_CON_SRC_EXT(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 9)) +#define GPTU_CON_SYNC(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 8)) +#define GPTU_CON_EDGE(n, X) GET_BITS(*IFXMIPS_GPTU_CON(n, X), 7, 6) +#define GPTU_CON_INV(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 5)) +#define GPTU_CON_EXT(n, X) (*IFXMIPS_GPTU_CON(n, A) & (1 << 4)) /* Timer/Counter B does not have this bit */ +#define GPTU_CON_STP(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 3)) +#define GPTU_CON_CNT(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 2)) +#define GPTU_CON_DIR(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 1)) +#define GPTU_CON_EN(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 0)) + +#define GPTU_CON_SRC_EG_SET(value) ((value) ? 0 : (1 << 10)) +#define GPTU_CON_SRC_EXT_SET(value) ((value) ? (1 << 9) : 0) +#define GPTU_CON_SYNC_SET(value) ((value) ? (1 << 8) : 0) +#define GPTU_CON_EDGE_SET(value) SET_BITS(0, 7, 6, (value)) +#define GPTU_CON_INV_SET(value) ((value) ? (1 << 5) : 0) +#define GPTU_CON_EXT_SET(value) ((value) ? (1 << 4) : 0) +#define GPTU_CON_STP_SET(value) ((value) ? (1 << 3) : 0) +#define GPTU_CON_CNT_SET(value) ((value) ? (1 << 2) : 0) +#define GPTU_CON_DIR_SET(value) ((value) ? (1 << 1) : 0) + +#define GPTU_RUN_RL_SET(value) ((value) ? (1 << 2) : 0) +#define GPTU_RUN_CEN_SET(value) ((value) ? (1 << 1) : 0) +#define GPTU_RUN_SEN_SET(value) ((value) ? (1 << 0) : 0) + +#define GPTU_IRNEN_TC_SET(n, X, value) ((value) ? (1 << (((n) - 1) * 2 + (X))) : 0) +#define GPTU_IRNCR_TC_SET(n, X, value) ((value) ? (1 << (((n) - 1) * 2 + (X))) : 0) + +#define TIMER_FLAG_MASK_SIZE(x) (x & 0x0001) +#define TIMER_FLAG_MASK_TYPE(x) (x & 0x0002) +#define TIMER_FLAG_MASK_STOP(x) (x & 0x0004) +#define TIMER_FLAG_MASK_DIR(x) (x & 0x0008) +#define TIMER_FLAG_NONE_EDGE 0x0000 +#define TIMER_FLAG_MASK_EDGE(x) (x & 0x0030) +#define TIMER_FLAG_REAL 0x0000 +#define TIMER_FLAG_INVERT 0x0040 +#define TIMER_FLAG_MASK_INVERT(x) (x & 0x0040) +#define TIMER_FLAG_MASK_TRIGGER(x) (x & 0x0070) +#define TIMER_FLAG_MASK_SYNC(x) (x & 0x0080) +#define TIMER_FLAG_CALLBACK_IN_HB 0x0200 +#define TIMER_FLAG_MASK_HANDLE(x) (x & 0x0300) +#define TIMER_FLAG_MASK_SRC(x) (x & 0x1000) struct timer_dev_timer { unsigned int f_irq_on; @@ -165,33 +170,31 @@ static struct miscdevice gptu_miscdev = { static struct timer_dev timer_dev; - -static irqreturn_t -timer_irq_handler(int irq, void *p) +static irqreturn_t timer_irq_handler(int irq, void *p) { unsigned int timer; unsigned int flag; - struct timer_dev_timer *dev_timer = (struct timer_dev_timer*) p; + struct timer_dev_timer *dev_timer = (struct timer_dev_timer *)p; timer = irq - TIMER_INTERRUPT; - if(timer < timer_dev.number_of_timers && dev_timer == &timer_dev.timer[timer]) - { + if (timer < timer_dev.number_of_timers + && dev_timer == &timer_dev.timer[timer]) { /* Clear interrupt. */ ifxmips_w32(1 << timer, IFXMIPS_GPTU_IRNCR); /* Call user hanler or signal. */ flag = dev_timer->flag; - if (!(timer & 0x01) || TIMER_FLAG_MASK_SIZE (flag) == TIMER_FLAG_16BIT) - { /* 16-bit timer or timer A of 32-bit timer */ - switch(TIMER_FLAG_MASK_HANDLE (flag)) - { + if (!(timer & 0x01) + || TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) { + /* 16-bit timer or timer A of 32-bit timer */ + switch (TIMER_FLAG_MASK_HANDLE(flag)) { case TIMER_FLAG_CALLBACK_IN_IRQ: case TIMER_FLAG_CALLBACK_IN_HB: if (dev_timer->arg1) - (*(timer_callback) dev_timer->arg1) (dev_timer->arg2); + (*(timer_callback)dev_timer->arg1)(dev_timer->arg2); break; case TIMER_FLAG_SIGNAL: - send_sig ((int) dev_timer->arg2, (struct task_struct *) dev_timer->arg1, 0); + send_sig((int)dev_timer->arg2, (struct task_struct *)dev_timer->arg1, 0); break; } } @@ -199,45 +202,53 @@ timer_irq_handler(int irq, void *p) return IRQ_HANDLED; } -static inline void -ifxmips_enable_gptu(void) +static inline void ifxmips_enable_gptu(void) { ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT); /* Set divider as 1, disable write protection for SPEN, enable module. */ *IFXMIPS_GPTU_CLC = - GPTU_CLC_SMC_SET(0x00) | GPTU_CLC_RMC_SET(0x01) | GPTU_CLC_FSOE_SET(0) | - GPTU_CLC_SBWE_SET(1) | GPTU_CLC_EDIS_SET(0) | GPTU_CLC_SPEN_SET(0) | GPTU_CLC_DISR_SET(0); + GPTU_CLC_SMC_SET(0x00) | + GPTU_CLC_RMC_SET(0x01) | + GPTU_CLC_FSOE_SET(0) | + GPTU_CLC_SBWE_SET(1) | + GPTU_CLC_EDIS_SET(0) | + GPTU_CLC_SPEN_SET(0) | + GPTU_CLC_DISR_SET(0); } -static inline void -ifxmips_disable_gptu(void) +static inline void ifxmips_disable_gptu(void) { ifxmips_w32(0x00, IFXMIPS_GPTU_IRNEN); ifxmips_w32(0xfff, IFXMIPS_GPTU_IRNCR); /* Set divider as 0, enable write protection for SPEN, disable module. */ *IFXMIPS_GPTU_CLC = - GPTU_CLC_SMC_SET (0x00) | GPTU_CLC_RMC_SET (0x00) | GPTU_CLC_FSOE_SET (0) | - GPTU_CLC_SBWE_SET (0) | GPTU_CLC_EDIS_SET (0) | GPTU_CLC_SPEN_SET (0) | GPTU_CLC_DISR_SET (1); + GPTU_CLC_SMC_SET(0x00) | + GPTU_CLC_RMC_SET(0x00) | + GPTU_CLC_FSOE_SET(0) | + GPTU_CLC_SBWE_SET(0) | + GPTU_CLC_EDIS_SET(0) | + GPTU_CLC_SPEN_SET(0) | + GPTU_CLC_DISR_SET(1); ifxmips_pmu_disable(IFXMIPS_PMU_PWDCR_GPT); } -int -ifxmips_request_timer(unsigned int timer, unsigned int flag, unsigned long value, - unsigned long arg1, unsigned long arg2) +int ifxmips_request_timer(unsigned int timer, unsigned int flag, + unsigned long value, unsigned long arg1, unsigned long arg2) { int ret = 0; unsigned int con_reg, irnen_reg; int n, X; - if(timer >= FIRST_TIMER + timer_dev.number_of_timers) + if (timer >= FIRST_TIMER + timer_dev.number_of_timers) return -EINVAL; - printk(KERN_INFO "request_timer(%d, 0x%08X, %lu)...", (u32)timer, (u32)flag, value); + printk(KERN_INFO "request_timer(%d, 0x%08X, %lu)...", + timer, flag, value); - if(TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) + if (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) value &= 0xFFFF; else timer &= ~0x01; @@ -250,16 +261,16 @@ ifxmips_request_timer(unsigned int timer, unsigned int flag, unsigned long value if (timer < FIRST_TIMER) { unsigned int mask; unsigned int shift; - unsigned int offset = TIMER2A;/* This takes care of TIMER1B which is the only choice for Voice TAPI system */ + /* This takes care of TIMER1B which is the only choice for Voice TAPI system */ + unsigned int offset = TIMER2A; /* * Pick up a free timer. */ - if (TIMER_FLAG_MASK_SIZE (flag) == TIMER_FLAG_16BIT) { + if (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) { mask = 1 << offset; shift = 1; - } - else { + } else { mask = 3 << offset; shift = 2; } @@ -274,23 +285,21 @@ ifxmips_request_timer(unsigned int timer, unsigned int flag, unsigned long value printk("failed![%d]\n", __LINE__); mutex_unlock(&timer_dev.gptu_mutex); return -EINVAL; - } - else + } else ret = timer; - } - else { + } else { register unsigned int mask; /* * Check if the requested timer is free. */ - mask = (TIMER_FLAG_MASK_SIZE (flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; if ((timer_dev.occupation & mask)) { - printk("failed![%d] mask %#x, timer_dev.occupation %#x\n", __LINE__, mask, timer_dev.occupation); + printk("failed![%d] mask %#x, timer_dev.occupation %#x\n", + __LINE__, mask, timer_dev.occupation); mutex_unlock(&timer_dev.gptu_mutex); return -EBUSY; - } - else { + } else { timer_dev.occupation |= mask; ret = 0; } @@ -299,52 +308,52 @@ ifxmips_request_timer(unsigned int timer, unsigned int flag, unsigned long value /* * Prepare control register value. */ - switch (TIMER_FLAG_MASK_EDGE (flag)) { + switch (TIMER_FLAG_MASK_EDGE(flag)) { default: case TIMER_FLAG_NONE_EDGE: - con_reg = GPTU_CON_EDGE_SET (0x00); + con_reg = GPTU_CON_EDGE_SET(0x00); break; case TIMER_FLAG_RISE_EDGE: - con_reg = GPTU_CON_EDGE_SET (0x01); + con_reg = GPTU_CON_EDGE_SET(0x01); break; case TIMER_FLAG_FALL_EDGE: - con_reg = GPTU_CON_EDGE_SET (0x02); + con_reg = GPTU_CON_EDGE_SET(0x02); break; case TIMER_FLAG_ANY_EDGE: - con_reg = GPTU_CON_EDGE_SET (0x03); + con_reg = GPTU_CON_EDGE_SET(0x03); break; } - if (TIMER_FLAG_MASK_TYPE (flag) == TIMER_FLAG_TIMER) + if (TIMER_FLAG_MASK_TYPE(flag) == TIMER_FLAG_TIMER) con_reg |= - TIMER_FLAG_MASK_SRC (flag) == - TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET (1) : - GPTU_CON_SRC_EXT_SET (0); + TIMER_FLAG_MASK_SRC(flag) == + TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET(1) : + GPTU_CON_SRC_EXT_SET(0); else con_reg |= - TIMER_FLAG_MASK_SRC (flag) == - TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET (1) : - GPTU_CON_SRC_EG_SET (0); + TIMER_FLAG_MASK_SRC(flag) == + TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET(1) : + GPTU_CON_SRC_EG_SET(0); con_reg |= - TIMER_FLAG_MASK_SYNC (flag) == - TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET (0) : - GPTU_CON_SYNC_SET (1); + TIMER_FLAG_MASK_SYNC(flag) == + TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET(0) : + GPTU_CON_SYNC_SET(1); con_reg |= - TIMER_FLAG_MASK_INVERT (flag) == - TIMER_FLAG_REAL ? GPTU_CON_INV_SET (0) : GPTU_CON_INV_SET (1); + TIMER_FLAG_MASK_INVERT(flag) == + TIMER_FLAG_REAL ? GPTU_CON_INV_SET(0) : GPTU_CON_INV_SET(1); con_reg |= - TIMER_FLAG_MASK_SIZE (flag) == - TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET (0) : - GPTU_CON_EXT_SET (1); + TIMER_FLAG_MASK_SIZE(flag) == + TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET(0) : + GPTU_CON_EXT_SET(1); con_reg |= - TIMER_FLAG_MASK_STOP (flag) == - TIMER_FLAG_ONCE ? GPTU_CON_STP_SET (1) : GPTU_CON_STP_SET (0); + TIMER_FLAG_MASK_STOP(flag) == + TIMER_FLAG_ONCE ? GPTU_CON_STP_SET(1) : GPTU_CON_STP_SET(0); con_reg |= - TIMER_FLAG_MASK_TYPE (flag) == - TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET (0) : - GPTU_CON_CNT_SET (1); + TIMER_FLAG_MASK_TYPE(flag) == + TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET(0) : + GPTU_CON_CNT_SET(1); con_reg |= - TIMER_FLAG_MASK_DIR (flag) == - TIMER_FLAG_UP ? GPTU_CON_DIR_SET (1) : GPTU_CON_DIR_SET (0); + TIMER_FLAG_MASK_DIR(flag) == + TIMER_FLAG_UP ? GPTU_CON_DIR_SET(1) : GPTU_CON_DIR_SET(0); /* * Fill up running data. @@ -352,36 +361,35 @@ ifxmips_request_timer(unsigned int timer, unsigned int flag, unsigned long value timer_dev.timer[timer - FIRST_TIMER].flag = flag; timer_dev.timer[timer - FIRST_TIMER].arg1 = arg1; timer_dev.timer[timer - FIRST_TIMER].arg2 = arg2; - if (TIMER_FLAG_MASK_SIZE (flag) != TIMER_FLAG_16BIT) + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) timer_dev.timer[timer - FIRST_TIMER + 1].flag = flag; /* * Enable GPTU module. */ if (!timer_dev.f_gptu_on) { - ifxmips_enable_gptu (); + ifxmips_enable_gptu(); timer_dev.f_gptu_on = 1; } /* * Enable IRQ. */ - if (TIMER_FLAG_MASK_HANDLE (flag) != TIMER_FLAG_NO_HANDLE) { - if (TIMER_FLAG_MASK_HANDLE (flag) == TIMER_FLAG_SIGNAL) + if (TIMER_FLAG_MASK_HANDLE(flag) != TIMER_FLAG_NO_HANDLE) { + if (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_SIGNAL) timer_dev.timer[timer - FIRST_TIMER].arg1 = - (unsigned long) find_task_by_vpid ((int) arg1); + (unsigned long) find_task_by_vpid((int) arg1); irnen_reg = 1 << (timer - FIRST_TIMER); - if (TIMER_FLAG_MASK_HANDLE (flag) == TIMER_FLAG_SIGNAL - || (TIMER_FLAG_MASK_HANDLE (flag) == + if (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_SIGNAL + || (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_CALLBACK_IN_IRQ && timer_dev.timer[timer - FIRST_TIMER].arg1)) { - enable_irq (timer_dev.timer[timer - FIRST_TIMER].irq); + enable_irq(timer_dev.timer[timer - FIRST_TIMER].irq); timer_dev.timer[timer - FIRST_TIMER].f_irq_on = 1; } - } - else + } else irnen_reg = 0; /* @@ -389,38 +397,37 @@ ifxmips_request_timer(unsigned int timer, unsigned int flag, unsigned long value */ n = timer >> 1; X = timer & 0x01; - *IFXMIPS_GPTU_CON (n, X) = con_reg; - *IFXMIPS_GPTU_RELOAD (n, X) = value; -// printk("reload value = %d\n", (u32)value); + *IFXMIPS_GPTU_CON(n, X) = con_reg; + *IFXMIPS_GPTU_RELOAD(n, X) = value; + /* printk("reload value = %d\n", (u32)value); */ *IFXMIPS_GPTU_IRNEN |= irnen_reg; mutex_unlock(&timer_dev.gptu_mutex); printk("successful!\n"); return ret; } +EXPORT_SYMBOL(ifxmips_request_timer); -int -ifxmips_free_timer(unsigned int timer) +int ifxmips_free_timer(unsigned int timer) { unsigned int flag; unsigned int mask; int n, X; - if(!timer_dev.f_gptu_on) + if (!timer_dev.f_gptu_on) return -EINVAL; - if(timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) + if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) return -EINVAL; mutex_lock(&timer_dev.gptu_mutex); flag = timer_dev.timer[timer - FIRST_TIMER].flag; - if(TIMER_FLAG_MASK_SIZE (flag) != TIMER_FLAG_16BIT) + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) timer &= ~0x01; - mask = (TIMER_FLAG_MASK_SIZE (flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; - if(((timer_dev.occupation & mask) ^ mask)) - { + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { mutex_unlock(&timer_dev.gptu_mutex); return -EINVAL; } @@ -428,20 +435,19 @@ ifxmips_free_timer(unsigned int timer) n = timer >> 1; X = timer & 0x01; - if(GPTU_CON_EN (n, X)) - *IFXMIPS_GPTU_RUN (n, X) = GPTU_RUN_CEN_SET (1); + if (GPTU_CON_EN(n, X)) + *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_CEN_SET(1); - *IFXMIPS_GPTU_IRNEN &= ~GPTU_IRNEN_TC_SET (n, X, 1); - *IFXMIPS_GPTU_IRNCR |= GPTU_IRNCR_TC_SET (n, X, 1); + *IFXMIPS_GPTU_IRNEN &= ~GPTU_IRNEN_TC_SET(n, X, 1); + *IFXMIPS_GPTU_IRNCR |= GPTU_IRNCR_TC_SET(n, X, 1); - if(timer_dev.timer[timer - FIRST_TIMER].f_irq_on) { - disable_irq (timer_dev.timer[timer - FIRST_TIMER].irq); + if (timer_dev.timer[timer - FIRST_TIMER].f_irq_on) { + disable_irq(timer_dev.timer[timer - FIRST_TIMER].irq); timer_dev.timer[timer - FIRST_TIMER].f_irq_on = 0; } timer_dev.occupation &= ~mask; - if(!timer_dev.occupation && timer_dev.f_gptu_on) - { + if (!timer_dev.occupation && timer_dev.f_gptu_on) { ifxmips_disable_gptu(); timer_dev.f_gptu_on = 0; } @@ -450,30 +456,29 @@ ifxmips_free_timer(unsigned int timer) return 0; } +EXPORT_SYMBOL(ifxmips_free_timer); -int -ifxmips_start_timer(unsigned int timer, int is_resume) +int ifxmips_start_timer(unsigned int timer, int is_resume) { unsigned int flag; unsigned int mask; int n, X; - if(!timer_dev.f_gptu_on) + if (!timer_dev.f_gptu_on) return -EINVAL; - if(timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) + if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) return -EINVAL; mutex_lock(&timer_dev.gptu_mutex); flag = timer_dev.timer[timer - FIRST_TIMER].flag; - if(TIMER_FLAG_MASK_SIZE (flag) != TIMER_FLAG_16BIT) + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) timer &= ~0x01; - mask = (TIMER_FLAG_MASK_SIZE (flag) == + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; - if(((timer_dev.occupation & mask) ^ mask)) - { + if (((timer_dev.occupation & mask) ^ mask)) { mutex_unlock(&timer_dev.gptu_mutex); return -EINVAL; } @@ -481,15 +486,15 @@ ifxmips_start_timer(unsigned int timer, int is_resume) n = timer >> 1; X = timer & 0x01; - *IFXMIPS_GPTU_RUN (n, X) = GPTU_RUN_RL_SET (!is_resume) | GPTU_RUN_SEN_SET (1); + *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_RL_SET(!is_resume) | GPTU_RUN_SEN_SET(1); mutex_unlock(&timer_dev.gptu_mutex); return 0; } +EXPORT_SYMBOL(ifxmips_start_timer); -int -ifxmips_stop_timer(unsigned int timer) +int ifxmips_stop_timer(unsigned int timer) { unsigned int flag; unsigned int mask; @@ -505,12 +510,11 @@ ifxmips_stop_timer(unsigned int timer) mutex_lock(&timer_dev.gptu_mutex); flag = timer_dev.timer[timer - FIRST_TIMER].flag; - if(TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) timer &= ~0x01; - mask = (TIMER_FLAG_MASK_SIZE (flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; - if(((timer_dev.occupation & mask) ^ mask)) - { + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { mutex_unlock(&timer_dev.gptu_mutex); return -EINVAL; } @@ -518,41 +522,39 @@ ifxmips_stop_timer(unsigned int timer) n = timer >> 1; X = timer & 0x01; - *IFXMIPS_GPTU_RUN (n, X) = GPTU_RUN_CEN_SET (1); + *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_CEN_SET(1); mutex_unlock(&timer_dev.gptu_mutex); return 0; } +EXPORT_SYMBOL(ifxmips_stop_timer); -int -ifxmips_reset_counter_flags(u32 timer, u32 flags) +int ifxmips_reset_counter_flags(u32 timer, u32 flags) { unsigned int oflag; unsigned int mask, con_reg; int n, X; - if(!timer_dev.f_gptu_on) + if (!timer_dev.f_gptu_on) return -EINVAL; - if(timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) + if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) return -EINVAL; mutex_lock(&timer_dev.gptu_mutex); oflag = timer_dev.timer[timer - FIRST_TIMER].flag; - if(TIMER_FLAG_MASK_SIZE (oflag) != TIMER_FLAG_16BIT) + if (TIMER_FLAG_MASK_SIZE(oflag) != TIMER_FLAG_16BIT) timer &= ~0x01; - mask = (TIMER_FLAG_MASK_SIZE (oflag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; - if(((timer_dev.occupation & mask) ^ mask)) - { + mask = (TIMER_FLAG_MASK_SIZE(oflag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { mutex_unlock(&timer_dev.gptu_mutex); return -EINVAL; } - switch(TIMER_FLAG_MASK_EDGE (flags)) - { + switch (TIMER_FLAG_MASK_EDGE(flags)) { default: case TIMER_FLAG_NONE_EDGE: con_reg = GPTU_CON_EDGE_SET(0x00); @@ -567,19 +569,19 @@ ifxmips_reset_counter_flags(u32 timer, u32 flags) con_reg = GPTU_CON_EDGE_SET(0x03); break; } - if(TIMER_FLAG_MASK_TYPE (flags) == TIMER_FLAG_TIMER) - con_reg |= TIMER_FLAG_MASK_SRC (flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET (1) : GPTU_CON_SRC_EXT_SET (0); + if (TIMER_FLAG_MASK_TYPE(flags) == TIMER_FLAG_TIMER) + con_reg |= TIMER_FLAG_MASK_SRC(flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET(1) : GPTU_CON_SRC_EXT_SET(0); else - con_reg |= TIMER_FLAG_MASK_SRC (flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET (1) : GPTU_CON_SRC_EG_SET (0); - con_reg |= TIMER_FLAG_MASK_SYNC (flags) == TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET (0) : GPTU_CON_SYNC_SET (1); - con_reg |= TIMER_FLAG_MASK_INVERT (flags) == TIMER_FLAG_REAL ? GPTU_CON_INV_SET (0) : GPTU_CON_INV_SET (1); - con_reg |= TIMER_FLAG_MASK_SIZE (flags) == TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET (0) : GPTU_CON_EXT_SET (1); - con_reg |= TIMER_FLAG_MASK_STOP (flags) == TIMER_FLAG_ONCE ? GPTU_CON_STP_SET (1) : GPTU_CON_STP_SET (0); - con_reg |= TIMER_FLAG_MASK_TYPE (flags) == TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET (0) : GPTU_CON_CNT_SET (1); - con_reg |= TIMER_FLAG_MASK_DIR (flags) == TIMER_FLAG_UP ? GPTU_CON_DIR_SET (1) : GPTU_CON_DIR_SET (0); + con_reg |= TIMER_FLAG_MASK_SRC(flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET(1) : GPTU_CON_SRC_EG_SET(0); + con_reg |= TIMER_FLAG_MASK_SYNC(flags) == TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET(0) : GPTU_CON_SYNC_SET(1); + con_reg |= TIMER_FLAG_MASK_INVERT(flags) == TIMER_FLAG_REAL ? GPTU_CON_INV_SET(0) : GPTU_CON_INV_SET(1); + con_reg |= TIMER_FLAG_MASK_SIZE(flags) == TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET(0) : GPTU_CON_EXT_SET(1); + con_reg |= TIMER_FLAG_MASK_STOP(flags) == TIMER_FLAG_ONCE ? GPTU_CON_STP_SET(1) : GPTU_CON_STP_SET(0); + con_reg |= TIMER_FLAG_MASK_TYPE(flags) == TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET(0) : GPTU_CON_CNT_SET(1); + con_reg |= TIMER_FLAG_MASK_DIR(flags) == TIMER_FLAG_UP ? GPTU_CON_DIR_SET(1) : GPTU_CON_DIR_SET(0); timer_dev.timer[timer - FIRST_TIMER].flag = flags; - if(TIMER_FLAG_MASK_SIZE(flags) != TIMER_FLAG_16BIT) + if (TIMER_FLAG_MASK_SIZE(flags) != TIMER_FLAG_16BIT) timer_dev.timer[timer - FIRST_TIMER + 1].flag = flags; n = timer >> 1; @@ -587,36 +589,33 @@ ifxmips_reset_counter_flags(u32 timer, u32 flags) *IFXMIPS_GPTU_CON(n, X) = con_reg; smp_wmb(); - printk(KERN_INFO "[%s]: counter%d oflags %#x, nflags %#x, GPTU_CON %#x\n", __func__, timer, oflag, flags, *IFXMIPS_GPTU_CON (n, X)); + printk(KERN_INFO "[%s]: counter%d oflags %#x, nflags %#x, GPTU_CON %#x\n", __func__, timer, oflag, flags, *IFXMIPS_GPTU_CON(n, X)); mutex_unlock(&timer_dev.gptu_mutex); return 0; } EXPORT_SYMBOL(ifxmips_reset_counter_flags); -inline int -ifxmips_get_count_value(unsigned int timer, unsigned long *value) +int ifxmips_get_count_value(unsigned int timer, unsigned long *value) { - unsigned int flag; unsigned int mask; int n, X; - if(!timer_dev.f_gptu_on) + if (!timer_dev.f_gptu_on) return -EINVAL; - if(timer < FIRST_TIMER + if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) return -EINVAL; mutex_lock(&timer_dev.gptu_mutex); flag = timer_dev.timer[timer - FIRST_TIMER].flag; - if(TIMER_FLAG_MASK_SIZE (flag) != TIMER_FLAG_16BIT) + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) timer &= ~0x01; - mask = (TIMER_FLAG_MASK_SIZE (flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; - if (((timer_dev.occupation & mask) ^ mask)) - { + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { mutex_unlock(&timer_dev.gptu_mutex); return -EINVAL; } @@ -624,15 +623,15 @@ ifxmips_get_count_value(unsigned int timer, unsigned long *value) n = timer >> 1; X = timer & 0x01; - *value = *IFXMIPS_GPTU_COUNT (n, X); + *value = *IFXMIPS_GPTU_COUNT(n, X); mutex_unlock(&timer_dev.gptu_mutex); return 0; } +EXPORT_SYMBOL(ifxmips_get_count_value); -u32 -ifxmips_cal_divider(unsigned long freq) +u32 ifxmips_cal_divider(unsigned long freq) { u64 module_freq, fpi = cgu_get_fpi_bus_clock(2); u32 clock_divider = 1; @@ -640,11 +639,11 @@ ifxmips_cal_divider(unsigned long freq) do_div(module_freq, clock_divider * freq); return module_freq; } +EXPORT_SYMBOL(ifxmips_cal_divider); -int -ifxmips_set_timer (unsigned int timer, unsigned int freq, int is_cyclic, - int is_ext_src, unsigned int handle_flag, unsigned long arg1, - unsigned long arg2) +int ifxmips_set_timer(unsigned int timer, unsigned int freq, int is_cyclic, + int is_ext_src, unsigned int handle_flag, unsigned long arg1, + unsigned long arg2) { unsigned long divider; unsigned int flag; @@ -656,97 +655,99 @@ ifxmips_set_timer (unsigned int timer, unsigned int freq, int is_cyclic, | (is_cyclic ? TIMER_FLAG_CYCLIC : TIMER_FLAG_ONCE) | (is_ext_src ? TIMER_FLAG_EXT_SRC : TIMER_FLAG_INT_SRC) | TIMER_FLAG_TIMER | TIMER_FLAG_DOWN - | TIMER_FLAG_MASK_HANDLE (handle_flag); + | TIMER_FLAG_MASK_HANDLE(handle_flag); - printk(KERN_INFO "set_timer(%d, %d), divider = %lu\n", timer, freq, divider); - return ifxmips_request_timer (timer, flag, divider, arg1, arg2); + printk(KERN_INFO "ifxmips_set_timer(%d, %d), divider = %lu\n", + timer, freq, divider); + return ifxmips_request_timer(timer, flag, divider, arg1, arg2); } +EXPORT_SYMBOL(ifxmips_set_timer); -int -ifxmips_set_counter(unsigned int timer, unsigned int flag, u32 reload, unsigned long arg1, unsigned long arg2) +int ifxmips_set_counter(unsigned int timer, unsigned int flag, u32 reload, + unsigned long arg1, unsigned long arg2) { - printk(KERN_INFO "set_counter(%d, %#x, %d)\n", timer, flag, reload); + printk(KERN_INFO "ifxmips_set_counter(%d, %#x, %d)\n", timer, flag, reload); return ifxmips_request_timer(timer, flag, reload, arg1, arg2); } +EXPORT_SYMBOL(ifxmips_set_counter); -static int -gptu_ioctl (struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +static int gptu_ioctl(struct inode *inode, struct file *file, unsigned int cmd, + unsigned long arg) { int ret; struct gptu_ioctl_param param; - if (!access_ok (VERIFY_READ, arg, sizeof (struct gptu_ioctl_param))) + if (!access_ok(VERIFY_READ, arg, sizeof(struct gptu_ioctl_param))) return -EFAULT; - copy_from_user (¶m, (void *) arg, sizeof (param)); + copy_from_user(¶m, (void *) arg, sizeof(param)); if ((((cmd == GPTU_REQUEST_TIMER || cmd == GPTU_SET_TIMER || GPTU_SET_COUNTER) && param.timer < 2) || cmd == GPTU_GET_COUNT_VALUE || cmd == GPTU_CALCULATE_DIVIDER) - && !access_ok (VERIFY_WRITE, arg, - sizeof (struct gptu_ioctl_param))) + && !access_ok(VERIFY_WRITE, arg, + sizeof(struct gptu_ioctl_param))) return -EFAULT; switch (cmd) { case GPTU_REQUEST_TIMER: - ret = ifxmips_request_timer (param.timer, param.flag, param.value, + ret = ifxmips_request_timer(param.timer, param.flag, param.value, (unsigned long) param.pid, (unsigned long) param.sig); if (ret > 0) { - copy_to_user (&((struct gptu_ioctl_param *) arg)-> - timer, &ret, sizeof (&ret)); + copy_to_user(&((struct gptu_ioctl_param *) arg)-> + timer, &ret, sizeof(&ret)); ret = 0; } break; case GPTU_FREE_TIMER: - ret = ifxmips_free_timer (param.timer); + ret = ifxmips_free_timer(param.timer); break; case GPTU_START_TIMER: - ret = ifxmips_start_timer (param.timer, param.flag); + ret = ifxmips_start_timer(param.timer, param.flag); break; case GPTU_STOP_TIMER: - ret = ifxmips_stop_timer (param.timer); + ret = ifxmips_stop_timer(param.timer); break; case GPTU_GET_COUNT_VALUE: - ret = ifxmips_get_count_value (param.timer, ¶m.value); + ret = ifxmips_get_count_value(param.timer, ¶m.value); if (!ret) - copy_to_user (&((struct gptu_ioctl_param *) arg)-> + copy_to_user(&((struct gptu_ioctl_param *) arg)-> value, ¶m.value, - sizeof (param.value)); + sizeof(param.value)); break; case GPTU_CALCULATE_DIVIDER: - param.value = ifxmips_cal_divider (param.value); + param.value = ifxmips_cal_divider(param.value); if (param.value == 0) ret = -EINVAL; else { - copy_to_user (&((struct gptu_ioctl_param *) arg)-> + copy_to_user(&((struct gptu_ioctl_param *) arg)-> value, ¶m.value, - sizeof (param.value)); + sizeof(param.value)); ret = 0; } break; case GPTU_SET_TIMER: - ret = ifxmips_set_timer (param.timer, param.value, - TIMER_FLAG_MASK_STOP (param.flag) != + ret = ifxmips_set_timer(param.timer, param.value, + TIMER_FLAG_MASK_STOP(param.flag) != TIMER_FLAG_ONCE ? 1 : 0, - TIMER_FLAG_MASK_SRC (param.flag) == + TIMER_FLAG_MASK_SRC(param.flag) == TIMER_FLAG_EXT_SRC ? 1 : 0, - TIMER_FLAG_MASK_HANDLE (param.flag) == + TIMER_FLAG_MASK_HANDLE(param.flag) == TIMER_FLAG_SIGNAL ? TIMER_FLAG_SIGNAL : TIMER_FLAG_NO_HANDLE, (unsigned long) param.pid, (unsigned long) param.sig); if (ret > 0) { - copy_to_user (&((struct gptu_ioctl_param *) arg)-> - timer, &ret, sizeof (&ret)); + copy_to_user(&((struct gptu_ioctl_param *) arg)-> + timer, &ret, sizeof(&ret)); ret = 0; } break; case GPTU_SET_COUNTER: - ifxmips_set_counter (param.timer, param.flag, param.value, 0, 0); + ifxmips_set_counter(param.timer, param.flag, param.value, 0, 0); if (ret > 0) { - copy_to_user (&((struct gptu_ioctl_param *) arg)-> - timer, &ret, sizeof (&ret)); + copy_to_user(&((struct gptu_ioctl_param *) arg)-> + timer, &ret, sizeof(&ret)); ret = 0; } break; @@ -757,19 +758,17 @@ gptu_ioctl (struct inode *inode, struct file *file, unsigned int cmd, return ret; } -static int -gptu_open(struct inode *inode, struct file *file) +static int gptu_open(struct inode *inode, struct file *file) { return 0; } -static int -gptu_release(struct inode *inode, struct file *file) +static int gptu_release(struct inode *inode, struct file *file) { return 0; } -int __init -ifxmips_gptu_init(void) + +int __init ifxmips_gptu_init(void) { int ret; unsigned int i; @@ -777,32 +776,29 @@ ifxmips_gptu_init(void) ifxmips_w32(0, IFXMIPS_GPTU_IRNEN); ifxmips_w32(0xfff, IFXMIPS_GPTU_IRNCR); - memset(&timer_dev, 0, sizeof (timer_dev)); + memset(&timer_dev, 0, sizeof(timer_dev)); mutex_init(&timer_dev.gptu_mutex); ifxmips_enable_gptu(); timer_dev.number_of_timers = GPTU_ID_CFG * 2; - ifxmips_disable_gptu (); - if(timer_dev.number_of_timers > MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2) + ifxmips_disable_gptu(); + if (timer_dev.number_of_timers > MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2) timer_dev.number_of_timers = MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2; - printk (KERN_INFO "gptu: totally %d 16-bit timers/counters\n", timer_dev.number_of_timers); + printk(KERN_INFO "gptu: totally %d 16-bit timers/counters\n", timer_dev.number_of_timers); ret = misc_register(&gptu_miscdev); - if(ret) - { + if (ret) { printk(KERN_ERR "gptu: can't misc_register, get error %d\n", -ret); return ret; } else { printk(KERN_INFO "gptu: misc_register on minor %d\n", gptu_miscdev.minor); } - for(i = 0; i < timer_dev.number_of_timers; i++) - { - ret = request_irq (TIMER_INTERRUPT + i, timer_irq_handler, IRQF_TIMER, gptu_miscdev.name, &timer_dev.timer[i]); - if(ret) - { + for (i = 0; i < timer_dev.number_of_timers; i++) { + ret = request_irq(TIMER_INTERRUPT + i, timer_irq_handler, IRQF_TIMER, gptu_miscdev.name, &timer_dev.timer[i]); + if (ret) { for (; i >= 0; i--) - free_irq (TIMER_INTERRUPT + i, &timer_dev.timer[i]); + free_irq(TIMER_INTERRUPT + i, &timer_dev.timer[i]); misc_deregister(&gptu_miscdev); printk(KERN_ERR "gptu: failed in requesting irq (%d), get error %d\n", i, -ret); return ret; @@ -816,29 +812,18 @@ ifxmips_gptu_init(void) return 0; } -void __exit -ifxmips_gptu_exit(void) +void __exit ifxmips_gptu_exit(void) { unsigned int i; - for(i = 0; i < timer_dev.number_of_timers; i++) - { - if(timer_dev.timer[i].f_irq_on) - disable_irq (timer_dev.timer[i].irq); + for (i = 0; i < timer_dev.number_of_timers; i++) { + if (timer_dev.timer[i].f_irq_on) + disable_irq(timer_dev.timer[i].irq); free_irq(timer_dev.timer[i].irq, &timer_dev.timer[i]); } ifxmips_disable_gptu(); misc_deregister(&gptu_miscdev); } -EXPORT_SYMBOL(ifxmips_request_timer); -EXPORT_SYMBOL(ifxmips_free_timer); -EXPORT_SYMBOL(ifxmips_start_timer); -EXPORT_SYMBOL(ifxmips_stop_timer); -EXPORT_SYMBOL(ifxmips_get_count_value); -EXPORT_SYMBOL(ifxmips_cal_divider); -EXPORT_SYMBOL(ifxmips_set_timer); -EXPORT_SYMBOL(ifxmips_set_counter); - module_init(ifxmips_gptu_init); module_exit(ifxmips_gptu_exit); |