/*
- * $Id: cx88-core.c,v 1.24 2005/01/19 12:01:55 kraxel Exp $
*
* device driver for Conexant 2388x based TV cards
* driver core
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/delay.h>
-#include <linux/videodev.h>
+#include <linux/videodev2.h>
+#include <linux/mutex.h>
#include "cx88.h"
+#include <media/v4l2-common.h>
MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
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;
static unsigned int cx88_devcount;
static LIST_HEAD(cx88_devlist);
-static DECLARE_MUTEX(devlist);
+static DEFINE_MUTEX(devlist);
-/* ------------------------------------------------------------------ */
-/* debug help functions */
-
-static const char *v4l1_ioctls[] = {
- "0", "CGAP", "GCHAN", "SCHAN", "GTUNER", "STUNER", "GPICT", "SPICT",
- "CCAPTURE", "GWIN", "SWIN", "GFBUF", "SFBUF", "KEY", "GFREQ",
- "SFREQ", "GAUDIO", "SAUDIO", "SYNC", "MCAPTURE", "GMBUF", "GUNIT",
- "GCAPTURE", "SCAPTURE", "SPLAYMODE", "SWRITEMODE", "GPLAYINFO",
- "SMICROCODE", "GVBIFMT", "SVBIFMT" };
-#define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
-
-static const char *v4l2_ioctls[] = {
- "QUERYCAP", "1", "ENUM_PIXFMT", "ENUM_FBUFFMT", "G_FMT", "S_FMT",
- "G_COMP", "S_COMP", "REQBUFS", "QUERYBUF", "G_FBUF", "S_FBUF",
- "G_WIN", "S_WIN", "PREVIEW", "QBUF", "16", "DQBUF", "STREAMON",
- "STREAMOFF", "G_PERF", "G_PARM", "S_PARM", "G_STD", "S_STD",
- "ENUMSTD", "ENUMINPUT", "G_CTRL", "S_CTRL", "G_TUNER", "S_TUNER",
- "G_FREQ", "S_FREQ", "G_AUDIO", "S_AUDIO", "35", "QUERYCTRL",
- "QUERYMENU", "G_INPUT", "S_INPUT", "ENUMCVT", "41", "42", "43",
- "44", "45", "G_OUTPUT", "S_OUTPUT", "ENUMOUTPUT", "G_AUDOUT",
- "S_AUDOUT", "ENUMFX", "G_EFFECT", "S_EFFECT", "G_MODULATOR",
- "S_MODULATOR"
-};
-#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
-
-void cx88_print_ioctl(char *name, unsigned int cmd)
-{
- char *dir;
-
- switch (_IOC_DIR(cmd)) {
- case _IOC_NONE: dir = "--"; break;
- case _IOC_READ: dir = "r-"; break;
- case _IOC_WRITE: dir = "-w"; break;
- case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
- default: dir = "??"; break;
- }
- switch (_IOC_TYPE(cmd)) {
- case 'v':
- printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l1, %s, VIDIOC%s)\n",
- name, cmd, dir, (_IOC_NR(cmd) < V4L1_IOCTLS) ?
- v4l1_ioctls[_IOC_NR(cmd)] : "???");
- break;
- case 'V':
- printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l2, %s, VIDIOC_%s)\n",
- name, cmd, dir, (_IOC_NR(cmd) < V4L2_IOCTLS) ?
- v4l2_ioctls[_IOC_NR(cmd)] : "???");
- break;
- default:
- printk(KERN_DEBUG "%s: ioctl 0x%08x (???, %s, #%d)\n",
- name, cmd, dir, _IOC_NR(cmd));
- }
-}
-
-/* ------------------------------------------------------------------ */
#define NO_SYNC_LINE (-1U)
static u32* cx88_risc_field(u32 *rp, struct scatterlist *sglist,
}
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(sg_dma_address(sg)+offset);
- offset+=bpl;
+ *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl);
+ *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
+ offset+=bpl;
} else {
/* scanline needs to be splitted */
- todo = bpl;
- *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|
+ todo = bpl;
+ *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|
(sg_dma_len(sg)-offset));
- *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
- todo -= (sg_dma_len(sg)-offset);
- offset = 0;
- sg++;
- while (todo > sg_dma_len(sg)) {
- *(rp++)=cpu_to_le32(RISC_WRITE|
+ *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset);
+ todo -= (sg_dma_len(sg)-offset);
+ offset = 0;
+ sg++;
+ while (todo > sg_dma_len(sg)) {
+ *(rp++)=cpu_to_le32(RISC_WRITE|
sg_dma_len(sg));
- *(rp++)=cpu_to_le32(sg_dma_address(sg));
+ *(rp++)=cpu_to_le32(sg_dma_address(sg));
todo -= sg_dma_len(sg);
sg++;
}
- *(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo);
+ *(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo);
*(rp++)=cpu_to_le32(sg_dma_address(sg));
offset += todo;
}
fields++;
/* estimate risc mem: worst case is one write per page border +
- one write per scan line + syncs + jump (all 2 dwords) */
- instructions = (bpl * lines * fields) / PAGE_SIZE + lines * fields;
- instructions += 3 + 4;
+ 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 */
+ instructions = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines);
+ instructions += 2;
if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0)
return rc;
/* save pointer to jmp instruction address */
risc->jmp = rp;
- BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size);
+ BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
return 0;
}
int rc;
/* estimate risc mem: worst case is one write per page border +
- one write per scan line + syncs + jump (all 2 dwords) */
- instructions = (bpl * lines) / PAGE_SIZE + lines;
- instructions += 3 + 4;
+ one write per scan line + syncs + jump (all 2 dwords). Here
+ there is no padding and no sync. First DMA region may be smaller
+ than PAGE_SIZE */
+ instructions = 1 + (bpl * lines) / PAGE_SIZE + lines;
+ instructions += 1;
if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0)
return rc;
/* save pointer to jmp instruction address */
risc->jmp = rp;
- BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size);
+ BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
return 0;
}
}
void
-cx88_free_buffer(struct pci_dev *pci, struct cx88_buffer *buf)
+cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf)
{
- if (in_interrupt())
- BUG();
+ BUG_ON(in_interrupt());
videobuf_waiton(&buf->vb,0,0);
- videobuf_dma_pci_unmap(pci, &buf->vb.dma);
+ videobuf_dma_unmap(q, &buf->vb.dma);
videobuf_dma_free(&buf->vb.dma);
- btcx_riscmem_free(pci, &buf->risc);
+ btcx_riscmem_free((struct pci_dev *)q->dev, &buf->risc);
buf->vb.state = STATE_NEEDS_INIT;
}
* channel 22 (u video) - 2.0k
* channel 23 (v video) - 2.0k
* channel 24 (vbi) - 4.0k
- * channels 25+26 (audio) - 0.5k
+ * channels 25+26 (audio) - 4.0k
* channel 28 (mpeg) - 4.0k
- * TOTAL = 25.5k
+ * TOTAL = 29.0k
*
* Every channel has 160 bytes control data (64 bytes instruction
* queue and 6 CDT entries), which is close to 2k total.
.name = "video y / packed",
.cmds_start = 0x180040,
.ctrl_start = 0x180400,
- .cdt = 0x180400 + 64,
+ .cdt = 0x180400 + 64,
.fifo_start = 0x180c00,
.fifo_size = 0x002800,
.ptr1_reg = MO_DMA21_PTR1,
.name = "video u",
.cmds_start = 0x180080,
.ctrl_start = 0x1804a0,
- .cdt = 0x1804a0 + 64,
+ .cdt = 0x1804a0 + 64,
.fifo_start = 0x183400,
.fifo_size = 0x000800,
.ptr1_reg = MO_DMA22_PTR1,
.name = "video v",
.cmds_start = 0x1800c0,
.ctrl_start = 0x180540,
- .cdt = 0x180540 + 64,
+ .cdt = 0x180540 + 64,
.fifo_start = 0x183c00,
.fifo_size = 0x000800,
.ptr1_reg = MO_DMA23_PTR1,
.name = "vbi",
.cmds_start = 0x180100,
.ctrl_start = 0x1805e0,
- .cdt = 0x1805e0 + 64,
+ .cdt = 0x1805e0 + 64,
.fifo_start = 0x184400,
.fifo_size = 0x001000,
.ptr1_reg = MO_DMA24_PTR1,
.name = "audio from",
.cmds_start = 0x180140,
.ctrl_start = 0x180680,
- .cdt = 0x180680 + 64,
+ .cdt = 0x180680 + 64,
.fifo_start = 0x185400,
- .fifo_size = 0x000200,
+ .fifo_size = 0x001000,
.ptr1_reg = MO_DMA25_PTR1,
.ptr2_reg = MO_DMA25_PTR2,
.cnt1_reg = MO_DMA25_CNT1,
.name = "audio to",
.cmds_start = 0x180180,
.ctrl_start = 0x180720,
- .cdt = 0x180680 + 64, /* same as audio IN */
+ .cdt = 0x180680 + 64, /* same as audio IN */
.fifo_start = 0x185400, /* same as audio IN */
- .fifo_size = 0x000200, /* same as audio IN */
+ .fifo_size = 0x001000, /* same as audio IN */
.ptr1_reg = MO_DMA26_PTR1,
.ptr2_reg = MO_DMA26_PTR2,
.cnt1_reg = MO_DMA26_CNT1,
.cmds_start = 0x180200,
.ctrl_start = 0x1807C0,
.cdt = 0x1807C0 + 64,
- .fifo_start = 0x185600,
+ .fifo_start = 0x186400,
.fifo_size = 0x001000,
.ptr1_reg = MO_DMA28_PTR1,
.ptr2_reg = MO_DMA28_PTR2,
return incr[risc >> 28] ? incr[risc >> 28] : 1;
}
-#if 0 /* currently unused, but useful for debugging */
-void cx88_risc_disasm(struct cx88_core *core,
- struct btcx_riscmem *risc)
-{
- unsigned int i,j,n;
-
- printk("%s: risc disasm: %p [dma=0x%08lx]\n",
- core->name, risc->cpu, (unsigned long)risc->dma);
- for (i = 0; i < (risc->size >> 2); i += n) {
- printk("%s: %04d: ", core->name, i);
- n = cx88_risc_decode(risc->cpu[i]);
- for (j = 1; j < n; j++)
- printk("%s: %04d: 0x%08x [ arg #%d ]\n",
- core->name, i+j, risc->cpu[i+j], j);
- if (risc->cpu[i] == RISC_JUMP)
- break;
- }
-}
-#endif
void cx88_sram_channel_dump(struct cx88_core *core,
struct sram_channel *ch)
"brdg_err", "src_dma_err", "dst_dma_err", "ipb_dma_err",
"i2c", "i2c_rack", "ir_smp", "gpio0", "gpio1"
};
-char *cx88_vid_irqs[32] = {
- "y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
- "y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
- "y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
- "y_sync", "u_sync", "v_sync", "vbi_sync",
- "opc_err", "par_err", "rip_err", "pci_abort",
-};
-char *cx88_mpeg_irqs[32] = {
- "ts_risci1", NULL, NULL, NULL,
- "ts_risci2", NULL, NULL, NULL,
- "ts_oflow", NULL, NULL, NULL,
- "ts_sync", NULL, NULL, NULL,
- "opc_err", "par_err", "rip_err", "pci_abort",
- "ts_err?",
-};
void cx88_print_irqbits(char *name, char *tag, char **strings,
u32 bits, u32 mask)
break;
buf = list_entry(q->active.next,
struct cx88_buffer, vb.queue);
-#if 0
- if (buf->count > count)
- break;
-#else
/* count comes from the hw and is is 16bit wide --
* this trick handles wrap-arounds correctly for
* up to 32767 buffers in flight... */
if ((s16) (count - buf->count) < 0)
break;
-#endif
do_gettimeofday(&buf->vb.ts);
dprintk(2,"[%p/%d] wakeup reg=%d buf=%d\n",buf,buf->vb.i,
count, buf->count);
{
static const unsigned int ntsc = 28636360;
static const unsigned int pal = 35468950;
+ static const unsigned int palm = 28604892;
+
+ if (norm->id & V4L2_STD_PAL_M)
+ return palm;
return (norm->id & V4L2_STD_625_50) ? pal : ntsc;
}
static unsigned int inline norm_htotal(struct cx88_tvnorm *norm)
{
+ /* Should always be Line Draw Time / (4*FSC) */
+
+ if (norm->id & V4L2_STD_PAL_M)
+ return 909;
+
return (norm->id & V4L2_STD_625_50) ? 1135 : 910;
}
return -1;
}
+int cx88_start_audio_dma(struct cx88_core *core)
+{
+ /* constant 128 made buzz in analog Nicam-stereo for bigger fifo_size */
+ int bpl = cx88_sram_channels[SRAM_CH25].fifo_size/4;
+ /* setup fifo + format */
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], bpl, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], bpl, 0);
+
+ cx_write(MO_AUDD_LNGTH, bpl); /* fifo bpl size */
+ cx_write(MO_AUDR_LNGTH, bpl); /* fifo bpl size */
+
+ /* start dma */
+ cx_write(MO_AUD_DMACNTRL, 0x0003); /* Up and Down fifo enable */
+ return 0;
+}
+
+int cx88_stop_audio_dma(struct cx88_core *core)
+{
+ /* stop dma */
+ cx_write(MO_AUD_DMACNTRL, 0x0000);
+
+ return 0;
+}
+
static int set_tvaudio(struct cx88_core *core)
{
struct cx88_tvnorm *norm = core->tvnorm;
return 0;
if (V4L2_STD_PAL_BG & norm->id) {
- core->tvaudio = nicam ? WW_NICAM_BGDKL : WW_A2_BG;
+ core->tvaudio = WW_BG;
} else if (V4L2_STD_PAL_DK & norm->id) {
- core->tvaudio = nicam ? WW_NICAM_BGDKL : WW_A2_DK;
+ core->tvaudio = WW_DK;
} else if (V4L2_STD_PAL_I & norm->id) {
- core->tvaudio = WW_NICAM_I;
+ core->tvaudio = WW_I;
} else if (V4L2_STD_SECAM_L & norm->id) {
- core->tvaudio = WW_SYSTEM_L_AM;
+ core->tvaudio = WW_L;
} else if (V4L2_STD_SECAM_DK & norm->id) {
- core->tvaudio = WW_A2_DK;
+ core->tvaudio = WW_DK;
} else if ((V4L2_STD_NTSC_M & norm->id) ||
(V4L2_STD_PAL_M & norm->id)) {
cx_andor(MO_AFECFG_IO, 0x1f, 0x0);
cx88_set_tvaudio(core);
- // cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO);
+ /* cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO); */
- cx_write(MO_AUDD_LNGTH, 128); /* fifo size */
- cx_write(MO_AUDR_LNGTH, 128); /* fifo size */
- cx_write(MO_AUD_DMACNTRL, 0x03); /* need audio fifo */
+/*
+ This should be needed only on cx88-alsa. It seems that some cx88 chips have
+ bugs and does require DMA enabled for it to work.
+ */
+ cx88_start_audio_dma(core);
return 0;
}
+
+
int cx88_set_tvnorm(struct cx88_core *core, struct cx88_tvnorm *norm)
{
u32 fsc8;
norm->cxiformat, cx_read(MO_INPUT_FORMAT) & 0x0f);
cx_andor(MO_INPUT_FORMAT, 0xf, norm->cxiformat);
-#if 1
// FIXME: as-is from DScaler
dprintk(1,"set_tvnorm: MO_OUTPUT_FORMAT 0x%08x [old=0x%08x]\n",
norm->cxoformat, cx_read(MO_OUTPUT_FORMAT));
cx_write(MO_OUTPUT_FORMAT, norm->cxoformat);
-#endif
// MO_SCONV_REG = adc clock / video dec clock * 2^17
tmp64 = adc_clock * (u64)(1 << 17);
set_tvaudio(core);
// tell i2c chips
-#ifdef V4L2_I2C_CLIENTS
cx88_call_i2c_clients(core,VIDIOC_S_STD,&norm->id);
-#else
- {
- struct video_channel c;
- memset(&c,0,sizeof(c));
- c.channel = core->input;
- c.norm = VIDEO_MODE_PAL;
- if ((norm->id & (V4L2_STD_NTSC_M|V4L2_STD_NTSC_M_JP)))
- c.norm = VIDEO_MODE_NTSC;
- if (norm->id & V4L2_STD_SECAM)
- c.norm = VIDEO_MODE_SECAM;
- cx88_call_i2c_clients(core,VIDIOCSCHAN,&c);
- }
-#endif
// done
return 0;
struct list_head *item;
int i;
- down(&devlist);
+ mutex_lock(&devlist);
list_for_each(item,&cx88_devlist) {
core = list_entry(item, struct cx88_core, devlist);
if (pci->bus->number != core->pci_bus)
if (0 != get_ressources(core,pci))
goto fail_unlock;
atomic_inc(&core->refcount);
- up(&devlist);
+ mutex_unlock(&devlist);
return core;
}
- core = kmalloc(sizeof(*core),GFP_KERNEL);
+ core = kzalloc(sizeof(*core),GFP_KERNEL);
if (NULL == core)
goto fail_unlock;
- memset(core,0,sizeof(*core));
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;
}
core->board = CX88_BOARD_UNKNOWN;
cx88_card_list(core,pci);
}
- printk(KERN_INFO "%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");
+ 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_i2c_init(core,pci);
+ cx88_call_i2c_clients (core, TUNER_SET_STANDBY, NULL);
cx88_card_setup(core);
cx88_ir_init(core,pci);
- up(&devlist);
+ mutex_unlock(&devlist);
return core;
fail_free:
kfree(core);
fail_unlock:
- up(&devlist);
+ mutex_unlock(&devlist);
return NULL;
}
if (!atomic_dec_and_test(&core->refcount))
return;
- down(&devlist);
+ mutex_lock(&devlist);
cx88_ir_fini(core);
if (0 == core->i2c_rc)
i2c_bit_del_bus(&core->i2c_adap);
list_del(&core->devlist);
iounmap(core->lmmio);
cx88_devcount--;
- up(&devlist);
+ mutex_unlock(&devlist);
kfree(core);
}
/* ------------------------------------------------------------------ */
-EXPORT_SYMBOL(cx88_print_ioctl);
-EXPORT_SYMBOL(cx88_vid_irqs);
-EXPORT_SYMBOL(cx88_mpeg_irqs);
EXPORT_SYMBOL(cx88_print_irqbits);
EXPORT_SYMBOL(cx88_core_irq);
EXPORT_SYMBOL(cx88_vdev_init);
EXPORT_SYMBOL(cx88_core_get);
EXPORT_SYMBOL(cx88_core_put);
+EXPORT_SYMBOL(cx88_start_audio_dma);
+EXPORT_SYMBOL(cx88_stop_audio_dma);
/*
* Local variables:
* c-basic-offset: 8
* End:
+ * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
*/
git://git.onelab.eu / linux-2.6.git / blobdiff