diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/das1800.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/das1800.c | 658 |
1 files changed, 350 insertions, 308 deletions
diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c index a3434088c9e6..6ea59cc6b2bb 100644 --- a/drivers/staging/comedi/drivers/das1800.c +++ b/drivers/staging/comedi/drivers/das1800.c @@ -181,33 +181,44 @@ enum { das1802hr, das1802hr_da, das1801hc, das1802hc, das1801ao, das1802ao }; -static int das1800_attach(struct comedi_device *dev, struct comedi_devconfig *it); +static int das1800_attach(struct comedi_device *dev, + struct comedi_devconfig *it); static int das1800_detach(struct comedi_device *dev); static int das1800_probe(struct comedi_device *dev); -static int das1800_cancel(struct comedi_device *dev, struct comedi_subdevice *s); +static int das1800_cancel(struct comedi_device *dev, + struct comedi_subdevice *s); static irqreturn_t das1800_interrupt(int irq, void *d); -static int das1800_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s); +static int das1800_ai_poll(struct comedi_device *dev, + struct comedi_subdevice *s); static void das1800_ai_handler(struct comedi_device *dev); -static void das1800_handle_dma(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int status); -static void das1800_flush_dma(struct comedi_device *dev, struct comedi_subdevice *s); -static void das1800_flush_dma_channel(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int channel, uint16_t *buffer); +static void das1800_handle_dma(struct comedi_device *dev, + struct comedi_subdevice *s, unsigned int status); +static void das1800_flush_dma(struct comedi_device *dev, + struct comedi_subdevice *s); +static void das1800_flush_dma_channel(struct comedi_device *dev, + struct comedi_subdevice *s, + unsigned int channel, uint16_t * buffer); static void das1800_handle_fifo_half_full(struct comedi_device *dev, - struct comedi_subdevice *s); + struct comedi_subdevice *s); static void das1800_handle_fifo_not_empty(struct comedi_device *dev, - struct comedi_subdevice *s); -static int das1800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_cmd *cmd); -static int das1800_ai_do_cmd(struct comedi_device *dev, struct comedi_subdevice *s); -static int das1800_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); -static int das1800_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); -static int das1800_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); -static int das1800_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data); + struct comedi_subdevice *s); +static int das1800_ai_do_cmdtest(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_cmd *cmd); +static int das1800_ai_do_cmd(struct comedi_device *dev, + struct comedi_subdevice *s); +static int das1800_ai_rinsn(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); +static int das1800_ao_winsn(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); +static int das1800_di_rbits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); +static int das1800_do_wbits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); static int das1800_set_frequency(struct comedi_device *dev); static unsigned int burst_convert_arg(unsigned int convert_arg, int round_mode); @@ -217,29 +228,29 @@ static unsigned int suggest_transfer_size(struct comedi_cmd *cmd); static const struct comedi_lrange range_ai_das1801 = { 8, { - RANGE(-5, 5), - RANGE(-1, 1), - RANGE(-0.1, 0.1), - RANGE(-0.02, 0.02), - RANGE(0, 5), - RANGE(0, 1), - RANGE(0, 0.1), - RANGE(0, 0.02), - } + RANGE(-5, 5), + RANGE(-1, 1), + RANGE(-0.1, 0.1), + RANGE(-0.02, 0.02), + RANGE(0, 5), + RANGE(0, 1), + RANGE(0, 0.1), + RANGE(0, 0.02), + } }; static const struct comedi_lrange range_ai_das1802 = { 8, { - RANGE(-10, 10), - RANGE(-5, 5), - RANGE(-2.5, 2.5), - RANGE(-1.25, 1.25), - RANGE(0, 10), - RANGE(0, 5), - RANGE(0, 2.5), - RANGE(0, 1.25), - } + RANGE(-10, 10), + RANGE(-5, 5), + RANGE(-2.5, 2.5), + RANGE(-1.25, 1.25), + RANGE(0, 10), + RANGE(0, 5), + RANGE(0, 2.5), + RANGE(0, 1.25), + } }; struct das1800_board { @@ -260,203 +271,203 @@ struct das1800_board { */ static const struct das1800_board das1800_boards[] = { { - .name = "das-1701st", - .ai_speed = 6250, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 0, - .ao_n_chan = 0, - .range_ai = &range_ai_das1801, - }, + .name = "das-1701st", + .ai_speed = 6250, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 0, + .ao_n_chan = 0, + .range_ai = &range_ai_das1801, + }, { - .name = "das-1701st-da", - .ai_speed = 6250, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 1, - .ao_n_chan = 4, - .range_ai = &range_ai_das1801, - }, + .name = "das-1701st-da", + .ai_speed = 6250, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 1, + .ao_n_chan = 4, + .range_ai = &range_ai_das1801, + }, { - .name = "das-1702st", - .ai_speed = 6250, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 0, - .ao_n_chan = 0, - .range_ai = &range_ai_das1802, - }, + .name = "das-1702st", + .ai_speed = 6250, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 0, + .ao_n_chan = 0, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1702st-da", - .ai_speed = 6250, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 1, - .ao_n_chan = 4, - .range_ai = &range_ai_das1802, - }, + .name = "das-1702st-da", + .ai_speed = 6250, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 1, + .ao_n_chan = 4, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1702hr", - .ai_speed = 20000, - .resolution = 16, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 0, - .ao_n_chan = 0, - .range_ai = &range_ai_das1802, - }, + .name = "das-1702hr", + .ai_speed = 20000, + .resolution = 16, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 0, + .ao_n_chan = 0, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1702hr-da", - .ai_speed = 20000, - .resolution = 16, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 1, - .ao_n_chan = 2, - .range_ai = &range_ai_das1802, - }, + .name = "das-1702hr-da", + .ai_speed = 20000, + .resolution = 16, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 1, + .ao_n_chan = 2, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1701ao", - .ai_speed = 6250, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 2, - .ao_n_chan = 2, - .range_ai = &range_ai_das1801, - }, + .name = "das-1701ao", + .ai_speed = 6250, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 2, + .ao_n_chan = 2, + .range_ai = &range_ai_das1801, + }, { - .name = "das-1702ao", - .ai_speed = 6250, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 2, - .ao_n_chan = 2, - .range_ai = &range_ai_das1802, - }, + .name = "das-1702ao", + .ai_speed = 6250, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 2, + .ao_n_chan = 2, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1801st", - .ai_speed = 3000, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 0, - .ao_n_chan = 0, - .range_ai = &range_ai_das1801, - }, + .name = "das-1801st", + .ai_speed = 3000, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 0, + .ao_n_chan = 0, + .range_ai = &range_ai_das1801, + }, { - .name = "das-1801st-da", - .ai_speed = 3000, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 0, - .ao_n_chan = 4, - .range_ai = &range_ai_das1801, - }, + .name = "das-1801st-da", + .ai_speed = 3000, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 0, + .ao_n_chan = 4, + .range_ai = &range_ai_das1801, + }, { - .name = "das-1802st", - .ai_speed = 3000, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 0, - .ao_n_chan = 0, - .range_ai = &range_ai_das1802, - }, + .name = "das-1802st", + .ai_speed = 3000, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 0, + .ao_n_chan = 0, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1802st-da", - .ai_speed = 3000, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 1, - .ao_n_chan = 4, - .range_ai = &range_ai_das1802, - }, + .name = "das-1802st-da", + .ai_speed = 3000, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 1, + .ao_n_chan = 4, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1802hr", - .ai_speed = 10000, - .resolution = 16, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 0, - .ao_n_chan = 0, - .range_ai = &range_ai_das1802, - }, + .name = "das-1802hr", + .ai_speed = 10000, + .resolution = 16, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 0, + .ao_n_chan = 0, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1802hr-da", - .ai_speed = 10000, - .resolution = 16, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 1, - .ao_n_chan = 2, - .range_ai = &range_ai_das1802, - }, + .name = "das-1802hr-da", + .ai_speed = 10000, + .resolution = 16, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 1, + .ao_n_chan = 2, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1801hc", - .ai_speed = 3000, - .resolution = 12, - .qram_len = 64, - .common = 0, - .do_n_chan = 8, - .ao_ability = 1, - .ao_n_chan = 2, - .range_ai = &range_ai_das1801, - }, + .name = "das-1801hc", + .ai_speed = 3000, + .resolution = 12, + .qram_len = 64, + .common = 0, + .do_n_chan = 8, + .ao_ability = 1, + .ao_n_chan = 2, + .range_ai = &range_ai_das1801, + }, { - .name = "das-1802hc", - .ai_speed = 3000, - .resolution = 12, - .qram_len = 64, - .common = 0, - .do_n_chan = 8, - .ao_ability = 1, - .ao_n_chan = 2, - .range_ai = &range_ai_das1802, - }, + .name = "das-1802hc", + .ai_speed = 3000, + .resolution = 12, + .qram_len = 64, + .common = 0, + .do_n_chan = 8, + .ao_ability = 1, + .ao_n_chan = 2, + .range_ai = &range_ai_das1802, + }, { - .name = "das-1801ao", - .ai_speed = 3000, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 2, - .ao_n_chan = 2, - .range_ai = &range_ai_das1801, - }, + .name = "das-1801ao", + .ai_speed = 3000, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 2, + .ao_n_chan = 2, + .range_ai = &range_ai_das1801, + }, { - .name = "das-1802ao", - .ai_speed = 3000, - .resolution = 12, - .qram_len = 256, - .common = 1, - .do_n_chan = 4, - .ao_ability = 2, - .ao_n_chan = 2, - .range_ai = &range_ai_das1802, - }, + .name = "das-1802ao", + .ai_speed = 3000, + .resolution = 12, + .qram_len = 256, + .common = 1, + .do_n_chan = 4, + .ao_ability = 2, + .ao_n_chan = 2, + .range_ai = &range_ai_das1802, + }, }; /* @@ -490,8 +501,8 @@ struct das1800_private { static const struct comedi_lrange range_ao_1 = { 1, { - RANGE(-10, 10), - } + RANGE(-10, 10), + } }; /* analog out range for 'ao' boards */ @@ -522,7 +533,7 @@ static struct comedi_driver driver_das1800 = { COMEDI_INITCLEANUP(driver_das1800); static int das1800_init_dma(struct comedi_device *dev, unsigned int dma0, - unsigned int dma1) + unsigned int dma1) { unsigned long flags; @@ -550,8 +561,8 @@ static int das1800_init_dma(struct comedi_device *dev, unsigned int dma0, break; default: printk(" only supports dma channels 5 through 7\n" - " Dual dma only allows the following combinations:\n" - " dma 5,6 / 6,7 / or 7,5\n"); + " Dual dma only allows the following combinations:\n" + " dma 5,6 / 6,7 / or 7,5\n"); return -EINVAL; break; } @@ -564,7 +575,7 @@ static int das1800_init_dma(struct comedi_device *dev, unsigned int dma0, if (dma1) { if (request_dma(dma1, driver_das1800.driver_name)) { printk(" failed to allocate dma channel %i\n", - dma1); + dma1); return -EINVAL; } devpriv->dma1 = dma1; @@ -575,7 +586,7 @@ static int das1800_init_dma(struct comedi_device *dev, unsigned int dma0, devpriv->dma_current_buf = devpriv->ai_buf0; if (dma1) { devpriv->ai_buf1 = - kmalloc(DMA_BUF_SIZE, GFP_KERNEL | GFP_DMA); + kmalloc(DMA_BUF_SIZE, GFP_KERNEL | GFP_DMA); if (devpriv->ai_buf1 == NULL) return -ENOMEM; } @@ -591,7 +602,8 @@ static int das1800_init_dma(struct comedi_device *dev, unsigned int dma0, return 0; } -static int das1800_attach(struct comedi_device *dev, struct comedi_devconfig *it) +static int das1800_attach(struct comedi_device *dev, + struct comedi_devconfig *it) { struct comedi_subdevice *s; unsigned long iobase = it->options[0]; @@ -607,7 +619,7 @@ static int das1800_attach(struct comedi_device *dev, struct comedi_devconfig *it return -ENOMEM; printk("comedi%d: %s: io 0x%lx", dev->minor, driver_das1800.driver_name, - iobase); + iobase); if (irq) { printk(", irq %u", irq); if (dma0) { @@ -625,7 +637,9 @@ static int das1800_attach(struct comedi_device *dev, struct comedi_devconfig *it /* check if io addresses are available */ if (!request_region(iobase, DAS1800_SIZE, driver_das1800.driver_name)) { - printk(" I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n", iobase, iobase + DAS1800_SIZE - 1); + printk + (" I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n", + iobase, iobase + DAS1800_SIZE - 1); return -EIO; } dev->iobase = iobase; @@ -643,8 +657,10 @@ static int das1800_attach(struct comedi_device *dev, struct comedi_devconfig *it if (thisboard->ao_ability == 2) { iobase2 = iobase + IOBASE2; if (!request_region(iobase2, DAS1800_SIZE, - driver_das1800.driver_name)) { - printk(" I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n", iobase2, iobase2 + DAS1800_SIZE - 1); + driver_das1800.driver_name)) { + printk + (" I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n", + iobase2, iobase2 + DAS1800_SIZE - 1); return -EIO; } devpriv->iobase2 = iobase2; @@ -694,7 +710,7 @@ static int das1800_attach(struct comedi_device *dev, struct comedi_devconfig *it if (devpriv->ai_buf0 == NULL) { devpriv->ai_buf0 = - kmalloc(FIFO_SIZE * sizeof(uint16_t), GFP_KERNEL); + kmalloc(FIFO_SIZE * sizeof(uint16_t), GFP_KERNEL); if (devpriv->ai_buf0 == NULL) return -ENOMEM; } @@ -759,7 +775,7 @@ static int das1800_attach(struct comedi_device *dev, struct comedi_devconfig *it if (thisboard->ao_ability == 1) { /* select 'update' dac channel for baseAddress + 0x0 */ outb(DAC(thisboard->ao_n_chan - 1), - dev->iobase + DAS1800_SELECT); + dev->iobase + DAS1800_SELECT); outw(devpriv->ao_update_bits, dev->iobase + DAS1800_DAC); } @@ -787,7 +803,7 @@ static int das1800_detach(struct comedi_device *dev) } printk("comedi%d: %s: remove\n", dev->minor, - driver_das1800.driver_name); + driver_das1800.driver_name); return 0; }; @@ -800,42 +816,45 @@ static int das1800_probe(struct comedi_device *dev) int board; id = (inb(dev->iobase + DAS1800_DIGITAL) >> 4) & 0xf; /* get id bits */ - board = ((struct das1800_board *) dev->board_ptr) - das1800_boards; + board = ((struct das1800_board *)dev->board_ptr) - das1800_boards; switch (id) { case 0x3: if (board == das1801st_da || board == das1802st_da || - board == das1701st_da || board == das1702st_da) { + board == das1701st_da || board == das1702st_da) { printk(" Board model: %s\n", - das1800_boards[board].name); + das1800_boards[board].name); return board; } - printk(" Board model (probed, not recommended): das-1800st-da series\n"); + printk + (" Board model (probed, not recommended): das-1800st-da series\n"); return das1801st; break; case 0x4: if (board == das1802hr_da || board == das1702hr_da) { printk(" Board model: %s\n", - das1800_boards[board].name); + das1800_boards[board].name); return board; } - printk(" Board model (probed, not recommended): das-1802hr-da\n"); + printk + (" Board model (probed, not recommended): das-1802hr-da\n"); return das1802hr; break; case 0x5: if (board == das1801ao || board == das1802ao || - board == das1701ao || board == das1702ao) { + board == das1701ao || board == das1702ao) { printk(" Board model: %s\n", - das1800_boards[board].name); + das1800_boards[board].name); return board; } - printk(" Board model (probed, not recommended): das-1800ao series\n"); + printk + (" Board model (probed, not recommended): das-1800ao series\n"); return das1801ao; break; case 0x6: if (board == das1802hr || board == das1702hr) { printk(" Board model: %s\n", - das1800_boards[board].name); + das1800_boards[board].name); return board; } printk(" Board model (probed, not recommended): das-1802hr\n"); @@ -843,32 +862,37 @@ static int das1800_probe(struct comedi_device *dev) break; case 0x7: if (board == das1801st || board == das1802st || - board == das1701st || board == das1702st) { + board == das1701st || board == das1702st) { printk(" Board model: %s\n", - das1800_boards[board].name); + das1800_boards[board].name); return board; } - printk(" Board model (probed, not recommended): das-1800st series\n"); + printk + (" Board model (probed, not recommended): das-1800st series\n"); return das1801st; break; case 0x8: if (board == das1801hc || board == das1802hc) { printk(" Board model: %s\n", - das1800_boards[board].name); + das1800_boards[board].name); return board; } - printk(" Board model (probed, not recommended): das-1800hc series\n"); + printk + (" Board model (probed, not recommended): das-1800hc series\n"); return das1801hc; break; default: - printk(" Board model: probe returned 0x%x (unknown, please report)\n", id); + printk + (" Board model: probe returned 0x%x (unknown, please report)\n", + id); return board; break; } return -1; } -static int das1800_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s) +static int das1800_ai_poll(struct comedi_device *dev, + struct comedi_subdevice *s) { unsigned long flags; @@ -963,18 +987,18 @@ static void das1800_ai_handler(struct comedi_device *dev) return; } -static void das1800_handle_dma(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int status) +static void das1800_handle_dma(struct comedi_device *dev, + struct comedi_subdevice *s, unsigned int status) { unsigned long flags; const int dual_dma = devpriv->irq_dma_bits & DMA_DUAL; flags = claim_dma_lock(); das1800_flush_dma_channel(dev, s, devpriv->dma_current, - devpriv->dma_current_buf); + devpriv->dma_current_buf); /* re-enable dma channel */ set_dma_addr(devpriv->dma_current, - virt_to_bus(devpriv->dma_current_buf)); + virt_to_bus(devpriv->dma_current_buf)); set_dma_count(devpriv->dma_current, devpriv->dma_transfer_size); enable_dma(devpriv->dma_current); release_dma_lock(flags); @@ -999,14 +1023,14 @@ static void das1800_handle_dma(struct comedi_device *dev, struct comedi_subdevic } static inline uint16_t munge_bipolar_sample(const struct comedi_device *dev, - uint16_t sample) + uint16_t sample) { sample += 1 << (thisboard->resolution - 1); return sample; } -static void munge_data(struct comedi_device *dev, uint16_t *array, - unsigned int num_elements) +static void munge_data(struct comedi_device *dev, uint16_t * array, + unsigned int num_elements) { unsigned int i; int unipolar; @@ -1024,8 +1048,9 @@ static void munge_data(struct comedi_device *dev, uint16_t *array, /* Utility function used by das1800_flush_dma() and das1800_handle_dma(). * Assumes dma lock is held */ -static void das1800_flush_dma_channel(struct comedi_device *dev, struct comedi_subdevice *s, - unsigned int channel, uint16_t *buffer) +static void das1800_flush_dma_channel(struct comedi_device *dev, + struct comedi_subdevice *s, + unsigned int channel, uint16_t * buffer) { unsigned int num_bytes, num_samples; struct comedi_cmd *cmd = &s->async->cmd; @@ -1054,14 +1079,15 @@ static void das1800_flush_dma_channel(struct comedi_device *dev, struct comedi_s /* flushes remaining data from board when external trigger has stopped aquisition * and we are using dma transfers */ -static void das1800_flush_dma(struct comedi_device *dev, struct comedi_subdevice *s) +static void das1800_flush_dma(struct comedi_device *dev, + struct comedi_subdevice *s) { unsigned long flags; const int dual_dma = devpriv->irq_dma_bits & DMA_DUAL; flags = claim_dma_lock(); das1800_flush_dma_channel(dev, s, devpriv->dma_current, - devpriv->dma_current_buf); + devpriv->dma_current_buf); if (dual_dma) { /* switch to other channel and flush it */ @@ -1073,7 +1099,7 @@ static void das1800_flush_dma(struct comedi_device *dev, struct comedi_subdevice devpriv->dma_current_buf = devpriv->ai_buf0; } das1800_flush_dma_channel(dev, s, devpriv->dma_current, - devpriv->dma_current_buf); + devpriv->dma_current_buf); } release_dma_lock(flags); @@ -1085,7 +1111,7 @@ static void das1800_flush_dma(struct comedi_device *dev, struct comedi_subdevice } static void das1800_handle_fifo_half_full(struct comedi_device *dev, - struct comedi_subdevice *s) + struct comedi_subdevice *s) { int numPoints = 0; /* number of points to read */ struct comedi_cmd *cmd = &s->async->cmd; @@ -1097,14 +1123,14 @@ static void das1800_handle_fifo_half_full(struct comedi_device *dev, insw(dev->iobase + DAS1800_FIFO, devpriv->ai_buf0, numPoints); munge_data(dev, devpriv->ai_buf0, numPoints); cfc_write_array_to_buffer(s, devpriv->ai_buf0, - numPoints * sizeof(devpriv->ai_buf0[0])); + numPoints * sizeof(devpriv->ai_buf0[0])); if (cmd->stop_src == TRIG_COUNT) devpriv->count -= numPoints; return; } static void das1800_handle_fifo_not_empty(struct comedi_device *dev, - struct comedi_subdevice *s) + struct comedi_subdevice *s) { short dpnt; int unipolar; @@ -1140,8 +1166,9 @@ static int das1800_cancel(struct comedi_device *dev, struct comedi_subdevice *s) } /* test analog input cmd */ -static int das1800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_cmd *cmd) +static int das1800_ai_do_cmdtest(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_cmd *cmd) { int err = 0; int tmp; @@ -1185,17 +1212,17 @@ static int das1800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdev if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT) err++; if (cmd->scan_begin_src != TRIG_FOLLOW && - cmd->scan_begin_src != TRIG_TIMER && - cmd->scan_begin_src != TRIG_EXT) + cmd->scan_begin_src != TRIG_TIMER && + cmd->scan_begin_src != TRIG_EXT) err++; if (cmd->convert_src != TRIG_TIMER && cmd->convert_src != TRIG_EXT) err++; if (cmd->stop_src != TRIG_COUNT && - cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_EXT) + cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_EXT) err++; /* compatibility check */ if (cmd->scan_begin_src != TRIG_FOLLOW && - cmd->convert_src != TRIG_TIMER) + cmd->convert_src != TRIG_TIMER) err++; if (err) @@ -1250,9 +1277,11 @@ static int das1800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdev tmp_arg = cmd->convert_arg; /* calculate counter values that give desired timing */ i8253_cascade_ns_to_timer_2div(TIMER_BASE, - &(devpriv->divisor1), &(devpriv->divisor2), - &(cmd->convert_arg), - cmd->flags & TRIG_ROUND_MASK); + &(devpriv->divisor1), + &(devpriv->divisor2), + &(cmd->convert_arg), + cmd-> + flags & TRIG_ROUND_MASK); if (tmp_arg != cmd->convert_arg) err++; } @@ -1261,27 +1290,32 @@ static int das1800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdev /* check that convert_arg is compatible */ tmp_arg = cmd->convert_arg; cmd->convert_arg = - burst_convert_arg(cmd->convert_arg, - cmd->flags & TRIG_ROUND_MASK); + burst_convert_arg(cmd->convert_arg, + cmd->flags & TRIG_ROUND_MASK); if (tmp_arg != cmd->convert_arg) err++; if (cmd->scan_begin_src == TRIG_TIMER) { /* if scans are timed faster than conversion rate allows */ if (cmd->convert_arg * cmd->chanlist_len > - cmd->scan_begin_arg) { + cmd->scan_begin_arg) { cmd->scan_begin_arg = - cmd->convert_arg * - cmd->chanlist_len; + cmd->convert_arg * + cmd->chanlist_len; err++; } tmp_arg = cmd->scan_begin_arg; /* calculate counter values that give desired timing */ i8253_cascade_ns_to_timer_2div(TIMER_BASE, - &(devpriv->divisor1), - &(devpriv->divisor2), - &(cmd->scan_begin_arg), - cmd->flags & TRIG_ROUND_MASK); + &(devpriv-> + divisor1), + &(devpriv-> + divisor2), + &(cmd-> + scan_begin_arg), + cmd-> + flags & + TRIG_ROUND_MASK); if (tmp_arg != cmd->scan_begin_arg) err++; } @@ -1297,7 +1331,7 @@ static int das1800_ai_do_cmdtest(struct comedi_device *dev, struct comedi_subdev for (i = 1; i < cmd->chanlist_len; i++) { if (unipolar != (CR_RANGE(cmd->chanlist[i]) & UNIPOLAR)) { comedi_error(dev, - "unipolar and bipolar ranges cannot be mixed in the chanlist"); + "unipolar and bipolar ranges cannot be mixed in the chanlist"); err++; break; } @@ -1394,9 +1428,11 @@ static int setup_counters(struct comedi_device *dev, struct comedi_cmd cmd) if (cmd.convert_src == TRIG_TIMER) { /* set conversion frequency */ i8253_cascade_ns_to_timer_2div(TIMER_BASE, - &(devpriv->divisor1), &(devpriv->divisor2), - &(cmd.convert_arg), - cmd.flags & TRIG_ROUND_MASK); + &(devpriv->divisor1), + &(devpriv->divisor2), + &(cmd.convert_arg), + cmd. + flags & TRIG_ROUND_MASK); if (das1800_set_frequency(dev) < 0) { return -1; } @@ -1405,8 +1441,9 @@ static int setup_counters(struct comedi_device *dev, struct comedi_cmd cmd) case TRIG_TIMER: /* in burst mode */ /* set scan frequency */ i8253_cascade_ns_to_timer_2div(TIMER_BASE, &(devpriv->divisor1), - &(devpriv->divisor2), &(cmd.scan_begin_arg), - cmd.flags & TRIG_ROUND_MASK); + &(devpriv->divisor2), + &(cmd.scan_begin_arg), + cmd.flags & TRIG_ROUND_MASK); if (das1800_set_frequency(dev) < 0) { return -1; } @@ -1478,9 +1515,9 @@ static void program_chanlist(struct comedi_device *dev, struct comedi_cmd cmd) /* make channel / gain list */ for (i = 0; i < n; i++) { chan_range = - CR_CHAN(cmd.chanlist[i]) | ((CR_RANGE(cmd. - chanlist[i]) & range_mask) << - range_bitshift); + CR_CHAN(cmd. + chanlist[i]) | ((CR_RANGE(cmd.chanlist[i]) & + range_mask) << range_bitshift); outw(chan_range, dev->iobase + DAS1800_QRAM); } outb(n - 1, dev->iobase + DAS1800_QRAM_ADDRESS); /*finish write to QRAM */ @@ -1490,7 +1527,8 @@ static void program_chanlist(struct comedi_device *dev, struct comedi_cmd cmd) } /* analog input do_cmd */ -static int das1800_ai_do_cmd(struct comedi_device *dev, struct comedi_subdevice *s) +static int das1800_ai_do_cmd(struct comedi_device *dev, + struct comedi_subdevice *s) { int ret; int control_a, control_c; @@ -1499,7 +1537,7 @@ static int das1800_ai_do_cmd(struct comedi_device *dev, struct comedi_subdevice if (!dev->irq) { comedi_error(dev, - "no irq assigned for das-1800, cannot do hardware conversions"); + "no irq assigned for das-1800, cannot do hardware conversions"); return -1; } @@ -1542,7 +1580,7 @@ static int das1800_ai_do_cmd(struct comedi_device *dev, struct comedi_subdevice if (control_c & BMDE) { /* program conversion period with number of microseconds minus 1 */ outb(cmd.convert_arg / 1000 - 1, - dev->iobase + DAS1800_BURST_RATE); + dev->iobase + DAS1800_BURST_RATE); outb(cmd.chanlist_len - 1, dev->iobase + DAS1800_BURST_LENGTH); } outb(devpriv->irq_dma_bits, dev->iobase + DAS1800_CONTROL_B); /* enable irq/dma */ @@ -1553,8 +1591,9 @@ static int das1800_ai_do_cmd(struct comedi_device *dev, struct comedi_subdevice } /* read analog input */ -static int das1800_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int das1800_ai_rinsn(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { int i, n; int chan, range, aref, chan_range; @@ -1613,8 +1652,9 @@ static int das1800_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice * } /* writes to an analog output channel */ -static int das1800_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int das1800_ao_winsn(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { int chan = CR_CHAN(insn->chanspec); /* int range = CR_RANGE(insn->chanspec); */ @@ -1642,8 +1682,9 @@ static int das1800_ao_winsn(struct comedi_device *dev, struct comedi_subdevice * } /* reads from digital input channels */ -static int das1800_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int das1800_di_rbits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { data[1] = inb(dev->iobase + DAS1800_DIGITAL) & 0xf; @@ -1653,8 +1694,9 @@ static int das1800_di_rbits(struct comedi_device *dev, struct comedi_subdevice * } /* writes to digital output channels */ -static int das1800_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) +static int das1800_do_wbits(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data) { unsigned int wbits; @@ -1679,11 +1721,11 @@ static int das1800_set_frequency(struct comedi_device *dev) /* counter 1, mode 2 */ if (i8254_load(dev->iobase + DAS1800_COUNTER, 0, 1, devpriv->divisor1, - 2)) + 2)) err++; /* counter 2, mode 2 */ if (i8254_load(dev->iobase + DAS1800_COUNTER, 0, 2, devpriv->divisor2, - 2)) + 2)) err++; if (err) return -1; @@ -1736,7 +1778,7 @@ static unsigned int suggest_transfer_size(struct comedi_cmd *cmd) break; case TRIG_TIMER: size = (fill_time / (cmd->scan_begin_arg * cmd->chanlist_len)) * - sample_size; + sample_size; break; default: size = DMA_BUF_SIZE; @@ -1747,7 +1789,7 @@ static unsigned int suggest_transfer_size(struct comedi_cmd *cmd) max_size = DMA_BUF_SIZE; /* if we are taking limited number of conversions, limit transfer size to that */ if (cmd->stop_src == TRIG_COUNT && - cmd->stop_arg * cmd->chanlist_len * sample_size < max_size) + cmd->stop_arg * cmd->chanlist_len * sample_size < max_size) max_size = cmd->stop_arg * cmd->chanlist_len * sample_size; if (size > max_size) |