aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx88/cx88-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/cx88/cx88-core.c')
-rw-r--r--drivers/media/video/cx88/cx88-core.c222
1 files changed, 40 insertions, 182 deletions
diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c
index f31ec96924b9..62e8dd24c5f5 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -28,7 +28,6 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/kmod.h>
@@ -52,22 +51,6 @@ static unsigned int core_debug = 0;
module_param(core_debug,int,0644);
MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
-static unsigned int latency = UNSET;
-module_param(latency,int,0444);
-MODULE_PARM_DESC(latency,"pci latency timer");
-
-static unsigned int tuner[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
-static unsigned int radio[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
-static unsigned int card[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
-
-module_param_array(tuner, int, NULL, 0444);
-module_param_array(radio, int, NULL, 0444);
-module_param_array(card, int, NULL, 0444);
-
-MODULE_PARM_DESC(tuner,"tuner type");
-MODULE_PARM_DESC(radio,"radio tuner type");
-MODULE_PARM_DESC(card,"card type");
-
static unsigned int nicam = 0;
module_param(nicam,int,0644);
MODULE_PARM_DESC(nicam,"tv audio is nicam");
@@ -85,13 +68,15 @@ static DEFINE_MUTEX(devlist);
#define NO_SYNC_LINE (-1U)
+/* @lpi: lines per IRQ, or 0 to not generate irqs. Note: IRQ to be
+ generated _after_ lpi lines are transferred. */
static u32* cx88_risc_field(u32 *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)
@@ -104,15 +89,19 @@ static u32* cx88_risc_field(u32 *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);
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);
todo -= (sg_dma_len(sg)-offset);
@@ -163,10 +152,10 @@ int cx88_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
rp = risc->cpu;
if (UNSET != top_offset)
rp = cx88_risc_field(rp, sglist, top_offset, 0,
- bpl, padding, lines);
+ bpl, padding, lines, 0);
if (UNSET != bottom_offset)
rp = cx88_risc_field(rp, sglist, bottom_offset, 0x200,
- bpl, padding, lines);
+ bpl, padding, lines, 0);
/* save pointer to jmp instruction address */
risc->jmp = rp;
@@ -176,7 +165,7 @@ int cx88_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc,
int cx88_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;
u32 *rp;
@@ -193,7 +182,7 @@ int cx88_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
/* write risc instructions */
rp = risc->cpu;
- rp = cx88_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines);
+ rp = cx88_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines, lpi);
/* save pointer to jmp instruction address */
risc->jmp = rp;
@@ -224,10 +213,12 @@ int cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
void
cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf)
{
+ struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
+
BUG_ON(in_interrupt());
videobuf_waiton(&buf->vb,0,0);
- videobuf_dma_unmap(q, &buf->vb.dma);
- videobuf_dma_free(&buf->vb.dma);
+ videobuf_dma_unmap(q, dma);
+ videobuf_dma_free(dma);
btcx_riscmem_free((struct pci_dev *)q->dev, &buf->risc);
buf->vb.state = STATE_NEEDS_INIT;
}
@@ -451,10 +442,13 @@ void cx88_sram_channel_dump(struct cx88_core *core,
printk("%s: cmds: %-12s: 0x%08x\n",
core->name,name[i],
cx_read(ch->cmds_start + 4*i));
- for (i = 0; i < 4; i++) {
+ for (n = 1, i = 0; i < 4; i++) {
risc = cx_read(ch->cmds_start + 4 * (i+11));
printk("%s: risc%d: ", core->name, i);
- cx88_risc_decode(risc);
+ if (--n)
+ printk("0x%08x [ arg #%d ]\n", risc, n);
+ else
+ n = cx88_risc_decode(risc);
}
for (i = 0; i < 16; i += n) {
risc = cx_read(ch->ctrl_start + 4 * i);
@@ -514,7 +508,7 @@ int cx88_core_irq(struct cx88_core *core, u32 status)
{
int handled = 0;
- if (status & (1<<18)) {
+ if (status & PCI_INT_IR_SMPINT) {
cx88_ir_irq(core);
handled++;
}
@@ -738,7 +732,7 @@ int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int heig
value |= (1 << 15);
value |= (1 << 16);
}
- if (INPUT(core->input)->type == CX88_VMUX_SVIDEO)
+ if (INPUT(core->input).type == CX88_VMUX_SVIDEO)
value |= (1 << 13) | (1 << 5);
if (V4L2_FIELD_INTERLACED == field)
value |= (1 << 3); // VINT (interlaced vertical scaling)
@@ -833,7 +827,7 @@ static int set_tvaudio(struct cx88_core *core)
{
v4l2_std_id norm = core->tvnorm;
- if (CX88_VMUX_TELEVISION != INPUT(core->input)->type)
+ if (CX88_VMUX_TELEVISION != INPUT(core->input).type)
return 0;
if (V4L2_STD_PAL_BG & norm) {
@@ -997,61 +991,6 @@ int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm)
/* ------------------------------------------------------------------ */
-static int cx88_pci_quirks(char *name, struct pci_dev *pci)
-{
- unsigned int lat = UNSET;
- u8 ctrl = 0;
- u8 value;
-
- /* check pci quirks */
- if (pci_pci_problems & PCIPCI_TRITON) {
- printk(KERN_INFO "%s: quirk: PCIPCI_TRITON -- set TBFX\n",
- name);
- ctrl |= CX88X_EN_TBFX;
- }
- if (pci_pci_problems & PCIPCI_NATOMA) {
- printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA -- set TBFX\n",
- name);
- ctrl |= CX88X_EN_TBFX;
- }
- if (pci_pci_problems & PCIPCI_VIAETBF) {
- printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF -- set TBFX\n",
- name);
- ctrl |= CX88X_EN_TBFX;
- }
- if (pci_pci_problems & PCIPCI_VSFX) {
- printk(KERN_INFO "%s: quirk: PCIPCI_VSFX -- set VSFX\n",
- name);
- ctrl |= CX88X_EN_VSFX;
- }
-#ifdef PCIPCI_ALIMAGIK
- if (pci_pci_problems & PCIPCI_ALIMAGIK) {
- printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
- name);
- lat = 0x0A;
- }
-#endif
-
- /* check insmod options */
- if (UNSET != latency)
- lat = latency;
-
- /* apply stuff */
- if (ctrl) {
- pci_read_config_byte(pci, CX88X_DEVCTRL, &value);
- value |= ctrl;
- pci_write_config_byte(pci, CX88X_DEVCTRL, value);
- }
- if (UNSET != lat) {
- printk(KERN_INFO "%s: setting pci latency timer to %d\n",
- name, latency);
- pci_write_config_byte(pci, PCI_LATENCY_TIMER, latency);
- }
- return 0;
-}
-
-/* ------------------------------------------------------------------ */
-
struct video_device *cx88_vdev_init(struct cx88_core *core,
struct pci_dev *pci,
struct video_device *template,
@@ -1067,122 +1006,38 @@ struct video_device *cx88_vdev_init(struct cx88_core *core,
vfd->dev = &pci->dev;
vfd->release = video_device_release;
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
- core->name, type, cx88_boards[core->board].name);
+ core->name, type, core->board.name);
return vfd;
}
-static int get_ressources(struct cx88_core *core, struct pci_dev *pci)
-{
- if (request_mem_region(pci_resource_start(pci,0),
- pci_resource_len(pci,0),
- core->name))
- return 0;
- printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
- core->name,(unsigned long long)pci_resource_start(pci,0));
- return -EBUSY;
-}
-
struct cx88_core* cx88_core_get(struct pci_dev *pci)
{
struct cx88_core *core;
- struct list_head *item;
- int i;
mutex_lock(&devlist);
- list_for_each(item,&cx88_devlist) {
- core = list_entry(item, struct cx88_core, devlist);
+ list_for_each_entry(core, &cx88_devlist, devlist) {
if (pci->bus->number != core->pci_bus)
continue;
if (PCI_SLOT(pci->devfn) != core->pci_slot)
continue;
- if (0 != get_ressources(core,pci))
- goto fail_unlock;
+ if (0 != cx88_get_resources(core, pci)) {
+ mutex_unlock(&devlist);
+ return NULL;
+ }
atomic_inc(&core->refcount);
mutex_unlock(&devlist);
return core;
}
- core = kzalloc(sizeof(*core),GFP_KERNEL);
- if (NULL == core)
- goto fail_unlock;
-
- atomic_inc(&core->refcount);
- core->pci_bus = pci->bus->number;
- core->pci_slot = PCI_SLOT(pci->devfn);
- core->pci_irqmask = 0x00fc00;
- mutex_init(&core->lock);
-
- core->nr = cx88_devcount++;
- sprintf(core->name,"cx88[%d]",core->nr);
- if (0 != get_ressources(core,pci)) {
- printk(KERN_ERR "CORE %s No more PCI ressources for "
- "subsystem: %04x:%04x, board: %s\n",
- core->name,pci->subsystem_vendor,
- pci->subsystem_device,
- cx88_boards[core->board].name);
-
- cx88_devcount--;
- goto fail_free;
- }
- list_add_tail(&core->devlist,&cx88_devlist);
-
- /* PCI stuff */
- cx88_pci_quirks(core->name, pci);
- core->lmmio = ioremap(pci_resource_start(pci,0),
- pci_resource_len(pci,0));
- core->bmmio = (u8 __iomem *)core->lmmio;
-
- /* board config */
- core->board = UNSET;
- if (card[core->nr] < cx88_bcount)
- core->board = card[core->nr];
- for (i = 0; UNSET == core->board && i < cx88_idcount; i++)
- if (pci->subsystem_vendor == cx88_subids[i].subvendor &&
- pci->subsystem_device == cx88_subids[i].subdevice)
- core->board = cx88_subids[i].card;
- if (UNSET == core->board) {
- core->board = CX88_BOARD_UNKNOWN;
- cx88_card_list(core,pci);
+
+ core = cx88_core_create(pci, cx88_devcount);
+ if (NULL != core) {
+ cx88_devcount++;
+ list_add_tail(&core->devlist, &cx88_devlist);
}
- printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
- core->name,pci->subsystem_vendor,
- pci->subsystem_device,cx88_boards[core->board].name,
- core->board, card[core->nr] == core->board ?
- "insmod option" : "autodetected");
-
- core->tuner_type = tuner[core->nr];
- core->radio_type = radio[core->nr];
- if (UNSET == core->tuner_type)
- core->tuner_type = cx88_boards[core->board].tuner_type;
- if (UNSET == core->radio_type)
- core->radio_type = cx88_boards[core->board].radio_type;
- if (!core->tuner_addr)
- core->tuner_addr = cx88_boards[core->board].tuner_addr;
- if (!core->radio_addr)
- core->radio_addr = cx88_boards[core->board].radio_addr;
-
- printk(KERN_INFO "TV tuner %d at 0x%02x, Radio tuner %d at 0x%02x\n",
- core->tuner_type, core->tuner_addr<<1,
- core->radio_type, core->radio_addr<<1);
-
- core->tda9887_conf = cx88_boards[core->board].tda9887_conf;
-
- /* init hardware */
- cx88_reset(core);
- cx88_card_setup_pre_i2c(core);
- cx88_i2c_init(core,pci);
- cx88_call_i2c_clients (core, TUNER_SET_STANDBY, NULL);
- cx88_card_setup(core);
- cx88_ir_init(core,pci);
mutex_unlock(&devlist);
return core;
-
-fail_free:
- kfree(core);
-fail_unlock:
- mutex_unlock(&devlist);
- return NULL;
}
void cx88_core_put(struct cx88_core *core, struct pci_dev *pci)
@@ -1229,6 +1084,9 @@ EXPORT_SYMBOL(cx88_vdev_init);
EXPORT_SYMBOL(cx88_core_get);
EXPORT_SYMBOL(cx88_core_put);
+EXPORT_SYMBOL(cx88_ir_start);
+EXPORT_SYMBOL(cx88_ir_stop);
+
/*
* Local variables:
* c-basic-offset: 8