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path: root/drivers/staging/comedi/drivers/mite.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/mite.c')
-rw-r--r--drivers/staging/comedi/drivers/mite.c145
1 files changed, 1 insertions, 144 deletions
diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
index 35cb4ace7970..9c9a0ee432cf 100644
--- a/drivers/staging/comedi/drivers/mite.c
+++ b/drivers/staging/comedi/drivers/mite.c
@@ -288,7 +288,6 @@ void mite_dma_arm(struct mite_channel *mite_chan)
int chor;
unsigned long flags;
- MDPRINTK("mite_dma_arm ch%i\n", mite_chan->channel);
/*
* memory barrier is intended to insure any twiddling with the buffer
* is done before writing to the mite to arm dma transfer
@@ -329,8 +328,6 @@ int mite_buf_change(struct mite_dma_descriptor_ring *ring,
n_links = async->prealloc_bufsz >> PAGE_SHIFT;
- MDPRINTK("ring->hw_dev=%p, n_links=0x%04x\n", ring->hw_dev, n_links);
-
ring->descriptors =
dma_alloc_coherent(ring->hw_dev,
n_links * sizeof(struct mite_dma_descriptor),
@@ -345,7 +342,7 @@ int mite_buf_change(struct mite_dma_descriptor_ring *ring,
for (i = 0; i < n_links; i++) {
ring->descriptors[i].count = cpu_to_le32(PAGE_SIZE);
ring->descriptors[i].addr =
- cpu_to_le32(async->buf_page_list[i].dma_addr);
+ cpu_to_le32(async->buf_map->page_list[i].dma_addr);
ring->descriptors[i].next =
cpu_to_le32(ring->descriptors_dma_addr + (i +
1) *
@@ -368,8 +365,6 @@ void mite_prep_dma(struct mite_channel *mite_chan,
unsigned int chor, chcr, mcr, dcr, lkcr;
struct mite_struct *mite = mite_chan->mite;
- MDPRINTK("mite_prep_dma ch%i\n", mite_chan->channel);
-
/* reset DMA and FIFO */
chor = CHOR_DMARESET | CHOR_FRESET;
writel(chor, mite->mite_io_addr + MITE_CHOR(mite_chan->channel));
@@ -448,8 +443,6 @@ void mite_prep_dma(struct mite_channel *mite_chan,
/* starting address for link chaining */
writel(mite_chan->ring->descriptors_dma_addr,
mite->mite_io_addr + MITE_LKAR(mite_chan->channel));
-
- MDPRINTK("exit mite_prep_dma\n");
}
EXPORT_SYMBOL_GPL(mite_prep_dma);
@@ -515,8 +508,6 @@ unsigned mite_dma_tcr(struct mite_channel *mite_chan)
lkar = readl(mite->mite_io_addr + MITE_LKAR(mite_chan->channel));
tcr = readl(mite->mite_io_addr + MITE_TCR(mite_chan->channel));
- MDPRINTK("mite_dma_tcr ch%i, lkar=0x%08x tcr=%d\n", mite_chan->channel,
- lkar, tcr);
return tcr;
}
@@ -642,140 +633,6 @@ int mite_done(struct mite_channel *mite_chan)
}
EXPORT_SYMBOL_GPL(mite_done);
-#ifdef DEBUG_MITE
-
-/* names of bits in mite registers */
-
-static const char *const mite_CHOR_strings[] = {
- "start", "cont", "stop", "abort",
- "freset", "clrlc", "clrrb", "clrdone",
- "clr_lpause", "set_lpause", "clr_send_tc",
- "set_send_tc", "12", "13", "14",
- "15", "16", "17", "18",
- "19", "20", "21", "22",
- "23", "24", "25", "26",
- "27", "28", "29", "30",
- "dmareset",
-};
-
-static const char *const mite_CHCR_strings[] = {
- "continue", "ringbuff", "2", "3",
- "4", "5", "6", "7",
- "8", "9", "10", "11",
- "12", "13", "bursten", "fifodis",
- "clr_cont_rb_ie", "set_cont_rb_ie", "clr_lc_ie", "set_lc_ie",
- "clr_drdy_ie", "set_drdy_ie", "clr_mrdy_ie", "set_mrdy_ie",
- "clr_done_ie", "set_done_ie", "clr_sar_ie", "set_sar_ie",
- "clr_linkp_ie", "set_linkp_ie", "clr_dma_ie", "set_dma_ie",
-};
-
-static const char *const mite_MCR_strings[] = {
- "amdevice", "1", "2", "3",
- "4", "5", "portio", "portvxi",
- "psizebyte", "psizehalf (byte & half = word)", "aseqxp1", "11",
- "12", "13", "blocken", "berhand",
- "reqsintlim/reqs0", "reqs1", "reqs2", "rd32",
- "rd512", "rl1", "rl2", "rl8",
- "24", "25", "26", "27",
- "28", "29", "30", "stopen",
-};
-
-static const char *const mite_DCR_strings[] = {
- "amdevice", "1", "2", "3",
- "4", "5", "portio", "portvxi",
- "psizebyte", "psizehalf (byte & half = word)", "aseqxp1", "aseqxp2",
- "aseqxp8", "13", "blocken", "berhand",
- "reqsintlim", "reqs1", "reqs2", "rd32",
- "rd512", "rl1", "rl2", "rl8",
- "23", "24", "25", "27",
- "28", "wsdevc", "wsdevs", "rwdevpack",
-};
-
-static const char *const mite_LKCR_strings[] = {
- "amdevice", "1", "2", "3",
- "4", "5", "portio", "portvxi",
- "psizebyte", "psizehalf (byte & half = word)", "asequp", "aseqdown",
- "12", "13", "14", "berhand",
- "16", "17", "18", "rd32",
- "rd512", "rl1", "rl2", "rl8",
- "24", "25", "26", "27",
- "28", "29", "30", "chngend",
-};
-
-static const char *const mite_CHSR_strings[] = {
- "d.err0", "d.err1", "m.err0", "m.err1",
- "l.err0", "l.err1", "drq0", "drq1",
- "end", "xferr", "operr0", "operr1",
- "stops", "habort", "sabort", "error",
- "16", "conts_rb", "18", "linkc",
- "20", "drdy", "22", "mrdy",
- "24", "done", "26", "sars",
- "28", "lpauses", "30", "int",
-};
-
-static void mite_decode(const char *const *bit_str, unsigned int bits)
-{
- int i;
-
- for (i = 31; i >= 0; i--) {
- if (bits & (1 << i))
- pr_debug(" %s\n", bit_str[i]);
- }
-}
-
-void mite_dump_regs(struct mite_channel *mite_chan)
-{
- void __iomem *mite_io_addr = mite_chan->mite->mite_io_addr;
- unsigned int offset;
- unsigned int value;
- int channel = mite_chan->channel;
-
- pr_debug("mite_dump_regs ch%i\n", channel);
- pr_debug("mite address is =%p\n", mite_io_addr);
-
- offset = MITE_CHOR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[CHOR] at 0x%08x =0x%08x\n", offset, value);
- mite_decode(mite_CHOR_strings, value);
- offset = MITE_CHCR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[CHCR] at 0x%08x =0x%08x\n", offset, value);
- mite_decode(mite_CHCR_strings, value);
- offset = MITE_TCR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[TCR] at 0x%08x =0x%08x\n", offset, value);
- offset = MITE_MCR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[MCR] at 0x%08x =0x%08x\n", offset, value);
- mite_decode(mite_MCR_strings, value);
- offset = MITE_MAR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[MAR] at 0x%08x =0x%08x\n", offset, value);
- offset = MITE_DCR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[DCR] at 0x%08x =0x%08x\n", offset, value);
- mite_decode(mite_DCR_strings, value);
- offset = MITE_DAR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[DAR] at 0x%08x =0x%08x\n", offset, value);
- offset = MITE_LKCR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[LKCR] at 0x%08x =0x%08x\n", offset, value);
- mite_decode(mite_LKCR_strings, value);
- offset = MITE_LKAR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[LKAR] at 0x%08x =0x%08x\n", offset, value);
- offset = MITE_CHSR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[CHSR] at 0x%08x =0x%08x\n", offset, value);
- mite_decode(mite_CHSR_strings, value);
- offset = MITE_FCR(channel);
- value = readl(mite_io_addr + offset);
- pr_debug("mite status[FCR] at 0x%08x =0x%08x\n", offset, value);
-}
-EXPORT_SYMBOL_GPL(mite_dump_regs);
-#endif
-
static int __init mite_module_init(void)
{
return 0;
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-04 16:55:22 +0000