diff options
Diffstat (limited to 'sound/pci/ctxfi/cthw20k2.c')
| -rw-r--r-- | sound/pci/ctxfi/cthw20k2.c | 73 |
1 files changed, 58 insertions, 15 deletions
diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c index dec46d04b041..b6b11bfe7574 100644 --- a/sound/pci/ctxfi/cthw20k2.c +++ b/sound/pci/ctxfi/cthw20k2.c @@ -166,7 +166,7 @@ static int src_get_rsc_ctrl_blk(void **rblk) *rblk = NULL; blk = kzalloc(sizeof(*blk), GFP_KERNEL); - if (NULL == blk) + if (!blk) return -ENOMEM; *rblk = blk; @@ -492,7 +492,7 @@ static int src_mgr_get_ctrl_blk(void **rblk) *rblk = NULL; blk = kzalloc(sizeof(*blk), GFP_KERNEL); - if (NULL == blk) + if (!blk) return -ENOMEM; *rblk = blk; @@ -513,7 +513,7 @@ static int srcimp_mgr_get_ctrl_blk(void **rblk) *rblk = NULL; blk = kzalloc(sizeof(*blk), GFP_KERNEL); - if (NULL == blk) + if (!blk) return -ENOMEM; *rblk = blk; @@ -702,7 +702,7 @@ static int amixer_rsc_get_ctrl_blk(void **rblk) *rblk = NULL; blk = kzalloc(sizeof(*blk), GFP_KERNEL); - if (NULL == blk) + if (!blk) return -ENOMEM; *rblk = blk; @@ -891,7 +891,7 @@ static int dai_get_ctrl_blk(void **rblk) *rblk = NULL; blk = kzalloc(sizeof(*blk), GFP_KERNEL); - if (NULL == blk) + if (!blk) return -ENOMEM; *rblk = blk; @@ -941,7 +941,7 @@ static int dao_get_ctrl_blk(void **rblk) *rblk = NULL; blk = kzalloc(sizeof(*blk), GFP_KERNEL); - if (NULL == blk) + if (!blk) return -ENOMEM; *rblk = blk; @@ -1092,7 +1092,7 @@ static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk) *rblk = NULL; blk = kzalloc(sizeof(*blk), GFP_KERNEL); - if (NULL == blk) + if (!blk) return -ENOMEM; for (i = 0; i < 8; i++) { @@ -1112,6 +1112,26 @@ static int daio_mgr_put_ctrl_blk(void *blk) return 0; } +/* Timer interrupt */ +static int set_timer_irq(struct hw *hw, int enable) +{ + hw_write_20kx(hw, GIE, enable ? IT_INT : 0); + return 0; +} + +static int set_timer_tick(struct hw *hw, unsigned int ticks) +{ + if (ticks) + ticks |= TIMR_IE | TIMR_IP; + hw_write_20kx(hw, TIMR, ticks); + return 0; +} + +static unsigned int get_wc(struct hw *hw) +{ + return hw_read_20kx(hw, WC); +} + /* Card hardware initialization block */ struct dac_conf { unsigned int msr; /* master sample rate in rsrs */ @@ -1841,6 +1861,22 @@ static int hw_have_digit_io_switch(struct hw *hw) return 0; } +static irqreturn_t ct_20k2_interrupt(int irq, void *dev_id) +{ + struct hw *hw = dev_id; + unsigned int status; + + status = hw_read_20kx(hw, GIP); + if (!status) + return IRQ_NONE; + + if (hw->irq_callback) + hw->irq_callback(hw->irq_callback_data, status); + + hw_write_20kx(hw, GIP, status); + return IRQ_HANDLED; +} + static int hw_card_start(struct hw *hw) { int err = 0; @@ -1868,7 +1904,7 @@ static int hw_card_start(struct hw *hw) hw->io_base = pci_resource_start(hw->pci, 2); hw->mem_base = (unsigned long)ioremap(hw->io_base, pci_resource_len(hw->pci, 2)); - if (NULL == (void *)hw->mem_base) { + if (!hw->mem_base) { err = -ENOENT; goto error2; } @@ -1879,12 +1915,15 @@ static int hw_card_start(struct hw *hw) set_field(&gctl, GCTL_UAA, 0); hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl); - /*if ((err = request_irq(pci->irq, ct_atc_interrupt, IRQF_SHARED, - atc->chip_details->nm_card, hw))) { - goto error3; + if (hw->irq < 0) { + err = request_irq(pci->irq, ct_20k2_interrupt, IRQF_SHARED, + "ctxfi", hw); + if (err < 0) { + printk(KERN_ERR "XFi: Cannot get irq %d\n", pci->irq); + goto error2; + } + hw->irq = pci->irq; } - hw->irq = pci->irq; - */ pci_set_master(pci); @@ -1923,7 +1962,7 @@ static int hw_card_shutdown(struct hw *hw) hw->irq = -1; - if (NULL != ((void *)hw->mem_base)) + if (hw->mem_base) iounmap((void *)hw->mem_base); hw->mem_base = (unsigned long)NULL; @@ -1972,7 +2011,7 @@ static int hw_card_init(struct hw *hw, struct card_conf *info) hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl); /* Reset all global pending interrupts */ - hw_write_20kx(hw, INTERRUPT_GIE, 0); + hw_write_20kx(hw, GIE, 0); /* Reset all SRC pending interrupts */ hw_write_20kx(hw, SRC_IP, 0); @@ -2149,6 +2188,10 @@ static struct hw ct20k2_preset __devinitdata = { .daio_mgr_set_imapnxt = daio_mgr_set_imapnxt, .daio_mgr_set_imapaddr = daio_mgr_set_imapaddr, .daio_mgr_commit_write = daio_mgr_commit_write, + + .set_timer_irq = set_timer_irq, + .set_timer_tick = set_timer_tick, + .get_wc = get_wc, }; int __devinit create_20k2_hw_obj(struct hw **rhw) |