aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/cx23885/cx23885-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-core.c')
-rw-r--r--drivers/media/video/cx23885/cx23885-core.c99
1 files changed, 82 insertions, 17 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index ee41a8882f5..40e68b22015 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -54,7 +54,7 @@ MODULE_PARM_DESC(card, "card type");
#define dprintk(level, fmt, arg...)\
do { if (debug >= level)\
- printk(KERN_DEBUG "%s/0: " fmt, dev->name, ## arg);\
+ printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg);\
} while (0)
static unsigned int cx23885_devcount;
@@ -155,12 +155,12 @@ static struct sram_channel cx23885_sram_channels[] = {
.cnt2_reg = DMA5_CNT2,
},
[SRAM_CH07] = {
- .name = "ch7",
- .cmds_start = 0x0,
- .ctrl_start = 0x0,
- .cdt = 0x0,
- .fifo_start = 0x0,
- .fifo_size = 0x0,
+ .name = "TV Audio",
+ .cmds_start = 0x10190,
+ .ctrl_start = 0x10480,
+ .cdt = 0x10a00,
+ .fifo_start = 0x7000,
+ .fifo_size = 0x1000,
.ptr1_reg = DMA6_PTR1,
.ptr2_reg = DMA6_PTR2,
.cnt1_reg = DMA6_CNT1,
@@ -1082,10 +1082,10 @@ static void cx23885_dev_unregister(struct cx23885_dev *dev)
static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
unsigned int offset, u32 sync_line,
unsigned int bpl, unsigned int padding,
- unsigned int lines)
+ unsigned int lines, unsigned int lpi)
{
struct scatterlist *sg;
- unsigned int line, todo;
+ unsigned int line, todo, sol;
/* sync instruction */
if (sync_line != NO_SYNC_LINE)
@@ -1098,16 +1098,22 @@ static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
offset -= sg_dma_len(sg);
sg++;
}
+
+ if (lpi && line > 0 && !(line % lpi))
+ sol = RISC_SOL | RISC_IRQ1 | RISC_CNT_INC;
+ else
+ sol = RISC_SOL;
+
if (bpl <= sg_dma_len(sg)-offset) {
/* fits into current chunk */
- *(rp++) = cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl);
+ *(rp++) = cpu_to_le32(RISC_WRITE|sol|RISC_EOL|bpl);
*(rp++) = cpu_to_le32(sg_dma_address(sg)+offset);
*(rp++) = cpu_to_le32(0); /* bits 63-32 */
offset += bpl;
} else {
/* scanline needs to be split */
todo = bpl;
- *(rp++) = cpu_to_le32(RISC_WRITE|RISC_SOL|
+ *(rp++) = cpu_to_le32(RISC_WRITE|sol|
(sg_dma_len(sg)-offset));
*(rp++) = cpu_to_le32(sg_dma_address(sg)+offset);
*(rp++) = cpu_to_le32(0); /* bits 63-32 */
@@ -1164,10 +1170,10 @@ int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
rp = risc->cpu;
if (UNSET != top_offset)
rp = cx23885_risc_field(rp, sglist, top_offset, 0,
- bpl, padding, lines);
+ bpl, padding, lines, 0);
if (UNSET != bottom_offset)
rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x200,
- bpl, padding, lines);
+ bpl, padding, lines, 0);
/* save pointer to jmp instruction address */
risc->jmp = rp;
@@ -1175,11 +1181,11 @@ int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
return 0;
}
-static int cx23885_risc_databuffer(struct pci_dev *pci,
+int cx23885_risc_databuffer(struct pci_dev *pci,
struct btcx_riscmem *risc,
struct scatterlist *sglist,
unsigned int bpl,
- unsigned int lines)
+ unsigned int lines, unsigned int lpi)
{
u32 instructions;
__le32 *rp;
@@ -1199,7 +1205,55 @@ static int cx23885_risc_databuffer(struct pci_dev *pci,
/* write risc instructions */
rp = risc->cpu;
- rp = cx23885_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines);
+ rp = cx23885_risc_field(rp, sglist, 0, NO_SYNC_LINE,
+ bpl, 0, lines, lpi);
+
+ /* save pointer to jmp instruction address */
+ risc->jmp = rp;
+ BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size);
+ return 0;
+}
+
+int cx23885_risc_vbibuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
+ struct scatterlist *sglist, unsigned int top_offset,
+ unsigned int bottom_offset, unsigned int bpl,
+ unsigned int padding, unsigned int lines)
+{
+ u32 instructions, fields;
+ __le32 *rp;
+ int rc;
+
+ fields = 0;
+ if (UNSET != top_offset)
+ fields++;
+ if (UNSET != bottom_offset)
+ fields++;
+
+ /* estimate risc mem: worst case is one write per page border +
+ one write per scan line + syncs + jump (all 2 dwords). Padding
+ can cause next bpl to start close to a page border. First DMA
+ region may be smaller than PAGE_SIZE */
+ /* write and jump need and extra dword */
+ instructions = fields * (1 + ((bpl + padding) * lines)
+ / PAGE_SIZE + lines);
+ instructions += 2;
+ rc = btcx_riscmem_alloc(pci, risc, instructions*12);
+ if (rc < 0)
+ return rc;
+ /* write risc instructions */
+ rp = risc->cpu;
+
+ /* Sync to line 6, so US CC line 21 will appear in line '12'
+ * in the userland vbi payload */
+ if (UNSET != top_offset)
+ rp = cx23885_risc_field(rp, sglist, top_offset, 6,
+ bpl, padding, lines, 0);
+
+ if (UNSET != bottom_offset)
+ rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x207,
+ bpl, padding, lines, 0);
+
+
/* save pointer to jmp instruction address */
risc->jmp = rp;
@@ -1207,6 +1261,7 @@ static int cx23885_risc_databuffer(struct pci_dev *pci,
return 0;
}
+
int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
u32 reg, u32 mask, u32 value)
{
@@ -1517,7 +1572,7 @@ int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port,
goto fail;
cx23885_risc_databuffer(dev->pci, &buf->risc,
videobuf_to_dma(&buf->vb)->sglist,
- buf->vb.width, buf->vb.height);
+ buf->vb.width, buf->vb.height, 0);
}
buf->vb.state = VIDEOBUF_PREPARED;
return 0;
@@ -1741,15 +1796,19 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
struct cx23885_tsport *ts2 = &dev->ts2;
u32 pci_status, pci_mask;
u32 vida_status, vida_mask;
+ u32 audint_status, audint_mask;
u32 ts1_status, ts1_mask;
u32 ts2_status, ts2_mask;
int vida_count = 0, ts1_count = 0, ts2_count = 0, handled = 0;
+ int audint_count = 0;
bool subdev_handled;
pci_status = cx_read(PCI_INT_STAT);
pci_mask = cx23885_irq_get_mask(dev);
vida_status = cx_read(VID_A_INT_STAT);
vida_mask = cx_read(VID_A_INT_MSK);
+ audint_status = cx_read(AUDIO_INT_INT_STAT);
+ audint_mask = cx_read(AUDIO_INT_INT_MSK);
ts1_status = cx_read(VID_B_INT_STAT);
ts1_mask = cx_read(VID_B_INT_MSK);
ts2_status = cx_read(VID_C_INT_STAT);
@@ -1759,12 +1818,15 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
goto out;
vida_count = cx_read(VID_A_GPCNT);
+ audint_count = cx_read(AUD_INT_A_GPCNT);
ts1_count = cx_read(ts1->reg_gpcnt);
ts2_count = cx_read(ts2->reg_gpcnt);
dprintk(7, "pci_status: 0x%08x pci_mask: 0x%08x\n",
pci_status, pci_mask);
dprintk(7, "vida_status: 0x%08x vida_mask: 0x%08x count: 0x%x\n",
vida_status, vida_mask, vida_count);
+ dprintk(7, "audint_status: 0x%08x audint_mask: 0x%08x count: 0x%x\n",
+ audint_status, audint_mask, audint_count);
dprintk(7, "ts1_status: 0x%08x ts1_mask: 0x%08x count: 0x%x\n",
ts1_status, ts1_mask, ts1_count);
dprintk(7, "ts2_status: 0x%08x ts2_mask: 0x%08x count: 0x%x\n",
@@ -1861,6 +1923,9 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
if (vida_status)
handled += cx23885_video_irq(dev, vida_status);
+ if (audint_status)
+ handled += cx23885_audio_irq(dev, audint_status, audint_mask);
+
if (pci_status & PCI_MSK_IR) {
subdev_handled = false;
v4l2_subdev_call(dev->sd_ir, core, interrupt_service_routine,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-23 09:45:13 +0000