/*
+ * $Id: cx88-core.c,v 1.15 2004/10/25 11:26:36 kraxel Exp $
+ *
* device driver for Conexant 2388x based TV cards
* driver core
*
#include <linux/sound.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
+#include <linux/delay.h>
#include <linux/videodev.h>
#include "cx88.h"
/* ------------------------------------------------------------------ */
-#if 0
-static unsigned int gpio_tracking = 0;
-MODULE_PARM(gpio_tracking,"i");
-MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
+static unsigned int core_debug = 0;
+module_param(core_debug,int,0644);
+MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
-static unsigned int ts_nr = -1;
-MODULE_PARM(ts_nr,"i");
-MODULE_PARM_DESC(ts_nr,"ts device number");
+static unsigned int latency = UNSET;
+module_param(latency,int,0444);
+MODULE_PARM_DESC(latency,"pci latency timer");
-static unsigned int vbi_nr = -1;
-MODULE_PARM(vbi_nr,"i");
-MODULE_PARM_DESC(vbi_nr,"vbi device number");
+static unsigned int tuner[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
+static unsigned int card[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
-static unsigned int radio_nr = -1;
-MODULE_PARM(radio_nr,"i");
-MODULE_PARM_DESC(radio_nr,"radio device number");
+module_param_array(tuner, int, NULL, 0444);
+module_param_array(card, int, NULL, 0444);
-static unsigned int oss = 0;
-MODULE_PARM(oss,"i");
-MODULE_PARM_DESC(oss,"register oss devices (default: no)");
+MODULE_PARM_DESC(tuner,"tuner type");
+MODULE_PARM_DESC(card,"card type");
-static unsigned int dsp_nr = -1;
-MODULE_PARM(dsp_nr,"i");
-MODULE_PARM_DESC(dsp_nr,"oss dsp device number");
+static unsigned int nicam = 0;
+module_param(nicam,int,0644);
+MODULE_PARM_DESC(nicam,"tv audio is nicam");
-static unsigned int mixer_nr = -1;
-MODULE_PARM(mixer_nr,"i");
-MODULE_PARM_DESC(mixer_nr,"oss mixer device number");
-#endif
+#define dprintk(level,fmt, arg...) if (core_debug >= level) \
+ printk(KERN_DEBUG "%s: " fmt, core->name , ## arg)
-static unsigned int core_debug = 0;
-MODULE_PARM(core_debug,"i");
-MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
-
-#define dprintk(fmt, arg...) if (core_debug) \
- printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
+static unsigned int cx88_devcount;
+static LIST_HEAD(cx88_devlist);
+static DECLARE_MUTEX(devlist);
/* ------------------------------------------------------------------ */
/* debug help functions */
}
/* ------------------------------------------------------------------ */
+#define NO_SYNC_LINE (-1U)
static u32* cx88_risc_field(u32 *rp, struct scatterlist *sglist,
unsigned int offset, u32 sync_line,
unsigned int line,todo;
/* sync instruction */
- *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
-
+ if (sync_line != NO_SYNC_LINE)
+ *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line);
+
/* scan lines */
sg = sglist;
for (line = 0; line < lines; line++) {
/* save pointer to jmp instruction address */
risc->jmp = rp;
+ BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size);
+ return 0;
+}
+
+int cx88_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc,
+ struct scatterlist *sglist, unsigned int bpl,
+ unsigned int lines)
+{
+ u32 instructions;
+ u32 *rp;
+ 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;
+ if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0)
+ return rc;
+
+ /* write risc instructions */
+ rp = risc->cpu;
+ rp = cx88_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines);
+
+ /* save pointer to jmp instruction address */
+ risc->jmp = rp;
+ BUG_ON((risc->jmp - risc->cpu + 2) / 4 > risc->size);
return 0;
}
*
* FIFO space allocations:
* channel 21 (y video) - 10.0k
+ * channel 22 (u video) - 2.0k
+ * channel 23 (v video) - 2.0k
* channel 24 (vbi) - 4.0k
* channels 25+26 (audio) - 0.5k
- * everything else - 2.0k
- * TOTAL = 29.0k
+ * channel 28 (mpeg) - 4.0k
+ * TOTAL = 25.5k
*
* Every channel has 160 bytes control data (64 bytes instruction
* queue and 6 CDT entries), which is close to 2k total.
- *
+ *
* Address layout:
* 0x0000 - 0x03ff CMDs / reserved
* 0x0400 - 0x0bff instruction queues + CDs
.cnt1_reg = MO_DMA26_CNT1,
.cnt2_reg = MO_DMA26_CNT2,
},
+ [SRAM_CH28] = {
+ .name = "mpeg",
+ .cmds_start = 0x180200,
+ .ctrl_start = 0x1807C0,
+ .cdt = 0x1807C0 + 64,
+ .fifo_start = 0x185600,
+ .fifo_size = 0x001000,
+ .ptr1_reg = MO_DMA28_PTR1,
+ .ptr2_reg = MO_DMA28_PTR2,
+ .cnt1_reg = MO_DMA28_CNT1,
+ .cnt2_reg = MO_DMA28_CNT2,
+ },
};
-int cx88_sram_channel_setup(struct cx8800_dev *dev,
+int cx88_sram_channel_setup(struct cx88_core *core,
struct sram_channel *ch,
unsigned int bpl, u32 risc)
{
/* fill registers */
cx_write(ch->ptr1_reg, ch->fifo_start);
cx_write(ch->ptr2_reg, cdt);
- cx_write(ch->cnt1_reg, bpl >> 3);
+ cx_write(ch->cnt1_reg, (bpl >> 3) -1);
cx_write(ch->cnt2_reg, (lines*16) >> 3);
- dprintk("sram setup %s: bpl=%d lines=%d\n", ch->name, bpl, lines);
+ dprintk(2,"sram setup %s: bpl=%d lines=%d\n", ch->name, bpl, lines);
return 0;
}
return incr[risc >> 28] ? incr[risc >> 28] : 1;
}
-void cx88_risc_disasm(struct cx8800_dev *dev,
+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",
- dev->name, risc->cpu, (unsigned long)risc->dma);
+ core->name, risc->cpu, (unsigned long)risc->dma);
for (i = 0; i < (risc->size >> 2); i += n) {
- printk("%s: %04d: ", dev->name, i);
+ 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",
- dev->name, i+j, risc->cpu[i+j], j);
+ core->name, i+j, risc->cpu[i+j], j);
if (risc->cpu[i] == RISC_JUMP)
break;
}
}
-void cx88_sram_channel_dump(struct cx8800_dev *dev,
+void cx88_sram_channel_dump(struct cx88_core *core,
struct sram_channel *ch)
{
static char *name[] = {
u32 risc;
unsigned int i,j,n;
- printk("%s: %s - dma channel status dump\n",dev->name,ch->name);
+ printk("%s: %s - dma channel status dump\n",
+ core->name,ch->name);
for (i = 0; i < ARRAY_SIZE(name); i++)
printk("%s: cmds: %-12s: 0x%08x\n",
- dev->name,name[i],
+ core->name,name[i],
cx_read(ch->cmds_start + 4*i));
for (i = 0; i < 4; i++) {
risc = cx_read(ch->cmds_start + 4 * (i+11));
- printk("%s: risc%d: ", dev->name, i);
+ printk("%s: risc%d: ", core->name, i);
cx88_risc_decode(risc);
}
for (i = 0; i < 16; i += n) {
risc = cx_read(ch->ctrl_start + 4 * i);
- printk("%s: iq %x: ", dev->name, i);
+ printk("%s: iq %x: ", core->name, i);
n = cx88_risc_decode(risc);
for (j = 1; j < n; j++) {
risc = cx_read(ch->ctrl_start + 4 * (i+j));
printk("%s: iq %x: 0x%08x [ arg #%d ]\n",
- dev->name, i+j, risc, j);
+ core->name, i+j, risc, j);
}
}
printk("%s: fifo: 0x%08x -> 0x%x\n",
- dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size);
+ core->name, ch->fifo_start, ch->fifo_start+ch->fifo_size);
printk("%s: ctrl: 0x%08x -> 0x%x\n",
- dev->name, ch->ctrl_start, ch->ctrl_start+6*16);
+ core->name, ch->ctrl_start, ch->ctrl_start+6*16);
printk("%s: ptr1_reg: 0x%08x\n",
- dev->name,cx_read(ch->ptr1_reg));
+ core->name,cx_read(ch->ptr1_reg));
printk("%s: ptr2_reg: 0x%08x\n",
- dev->name,cx_read(ch->ptr2_reg));
+ core->name,cx_read(ch->ptr2_reg));
printk("%s: cnt1_reg: 0x%08x\n",
- dev->name,cx_read(ch->cnt1_reg));
+ core->name,cx_read(ch->cnt1_reg));
printk("%s: cnt2_reg: 0x%08x\n",
- dev->name,cx_read(ch->cnt2_reg));
+ core->name,cx_read(ch->cnt2_reg));
}
char *cx88_pci_irqs[32] = {
- "vid", "aud", "ts", "vip", "hst", "5", "6", "tm1",
+ "vid", "aud", "ts", "vip", "hst", "5", "6", "tm1",
"src_dma", "dst_dma", "risc_rd_err", "risc_wr_err",
"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_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)
for (i = 0; i < 32; i++) {
if (!(bits & (1 << i)))
continue;
- printk(" %s",strings[i]);
+ if (strings[i])
+ printk(" %s", strings[i]);
+ else
+ printk(" %d", i);
if (!(mask & (1 << i)))
continue;
printk("*");
/* ------------------------------------------------------------------ */
-int cx88_pci_quirks(char *name, struct pci_dev *pci, unsigned int *latency)
+void cx88_irq(struct cx88_core *core, u32 status, u32 mask)
{
- u8 ctrl = 0;
- u8 value;
+ cx88_print_irqbits(core->name, "irq pci",
+ cx88_pci_irqs, status, mask);
+}
+
+void cx88_wakeup(struct cx88_core *core,
+ struct cx88_dmaqueue *q, u32 count)
+{
+ struct cx88_buffer *buf;
+ int bc;
+
+ for (bc = 0;; bc++) {
+ if (list_empty(&q->active))
+ 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);
+ buf->vb.state = STATE_DONE;
+ list_del(&buf->vb.queue);
+ wake_up(&buf->vb.done);
+ }
+ if (list_empty(&q->active)) {
+ del_timer(&q->timeout);
+ } else {
+ mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT);
+ }
+ if (bc != 1)
+ printk("%s: %d buffers handled (should be 1)\n",__FUNCTION__,bc);
+}
+
+void cx88_shutdown(struct cx88_core *core)
+{
+ /* disable RISC controller + IRQs */
+ cx_write(MO_DEV_CNTRL2, 0);
+
+ /* stop dma transfers */
+ cx_write(MO_VID_DMACNTRL, 0x0);
+ cx_write(MO_AUD_DMACNTRL, 0x0);
+ cx_write(MO_TS_DMACNTRL, 0x0);
+ cx_write(MO_VIP_DMACNTRL, 0x0);
+ cx_write(MO_GPHST_DMACNTRL, 0x0);
+
+ /* stop interrupts */
+ cx_write(MO_PCI_INTMSK, 0x0);
+ cx_write(MO_VID_INTMSK, 0x0);
+ cx_write(MO_AUD_INTMSK, 0x0);
+ cx_write(MO_TS_INTMSK, 0x0);
+ cx_write(MO_VIP_INTMSK, 0x0);
+ cx_write(MO_GPHST_INTMSK, 0x0);
- if (0 == pci_pci_problems)
+ /* stop capturing */
+ cx_write(VID_CAPTURE_CONTROL, 0);
+}
+
+int cx88_reset(struct cx88_core *core)
+{
+ dprintk(1,"%s\n",__FUNCTION__);
+ cx88_shutdown(core);
+
+ /* clear irq status */
+ cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int
+ cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int
+ cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int
+
+ /* wait a bit */
+ msleep(100);
+
+ /* init sram */
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21], 720*4, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH22], 128, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH23], 128, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH24], 128, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH25], 128, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH26], 128, 0);
+ cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], 188*4, 0);
+
+ /* misc init ... */
+ cx_write(MO_INPUT_FORMAT, ((1 << 13) | // agc enable
+ (1 << 12) | // agc gain
+ (1 << 11) | // adaptibe agc
+ (0 << 10) | // chroma agc
+ (0 << 9) | // ckillen
+ (7)));
+
+ /* setup image format */
+ cx_andor(MO_COLOR_CTRL, 0x4000, 0x4000);
+
+ /* setup FIFO Threshholds */
+ cx_write(MO_PDMA_STHRSH, 0x0807);
+ cx_write(MO_PDMA_DTHRSH, 0x0807);
+
+ /* fixes flashing of image */
+ cx_write(MO_AGC_SYNC_TIP1, 0x0380000F);
+ cx_write(MO_AGC_BACK_VBI, 0x00E00555);
+
+ cx_write(MO_VID_INTSTAT, 0xFFFFFFFF); // Clear PIV int
+ cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int
+ cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int
+
+ /* Reset on-board parts */
+ cx_write(MO_SRST_IO, 0);
+ msleep(10);
+ cx_write(MO_SRST_IO, 1);
+
+ return 0;
+}
+
+/* ------------------------------------------------------------------ */
+
+static unsigned int inline norm_swidth(struct cx88_tvnorm *norm)
+{
+ return (norm->id & V4L2_STD_625_50) ? 922 : 754;
+}
+
+static unsigned int inline norm_hdelay(struct cx88_tvnorm *norm)
+{
+ return (norm->id & V4L2_STD_625_50) ? 186 : 135;
+}
+
+static unsigned int inline norm_vdelay(struct cx88_tvnorm *norm)
+{
+ return (norm->id & V4L2_STD_625_50) ? 0x24 : 0x18;
+}
+
+static unsigned int inline norm_fsc8(struct cx88_tvnorm *norm)
+{
+ static const unsigned int ntsc = 28636360;
+ static const unsigned int pal = 35468950;
+
+ return (norm->id & V4L2_STD_625_50) ? pal : ntsc;
+}
+
+static unsigned int inline norm_notchfilter(struct cx88_tvnorm *norm)
+{
+ return (norm->id & V4L2_STD_625_50)
+ ? HLNotchFilter135PAL
+ : HLNotchFilter135NTSC;
+}
+
+static unsigned int inline norm_htotal(struct cx88_tvnorm *norm)
+{
+ return (norm->id & V4L2_STD_625_50) ? 1135 : 910;
+}
+
+static unsigned int inline norm_vbipack(struct cx88_tvnorm *norm)
+{
+ return (norm->id & V4L2_STD_625_50) ? 511 : 288;
+}
+
+int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int height,
+ enum v4l2_field field)
+{
+ unsigned int swidth = norm_swidth(core->tvnorm);
+ unsigned int sheight = norm_maxh(core->tvnorm);
+ u32 value;
+
+ dprintk(1,"set_scale: %dx%d [%s%s,%s]\n", width, height,
+ V4L2_FIELD_HAS_TOP(field) ? "T" : "",
+ V4L2_FIELD_HAS_BOTTOM(field) ? "B" : "",
+ core->tvnorm->name);
+ if (!V4L2_FIELD_HAS_BOTH(field))
+ height *= 2;
+
+ // recalc H delay and scale registers
+ value = (width * norm_hdelay(core->tvnorm)) / swidth;
+ value &= 0x3fe;
+ cx_write(MO_HDELAY_EVEN, value);
+ cx_write(MO_HDELAY_ODD, value);
+ dprintk(1,"set_scale: hdelay 0x%04x\n", value);
+
+ value = (swidth * 4096 / width) - 4096;
+ cx_write(MO_HSCALE_EVEN, value);
+ cx_write(MO_HSCALE_ODD, value);
+ dprintk(1,"set_scale: hscale 0x%04x\n", value);
+
+ cx_write(MO_HACTIVE_EVEN, width);
+ cx_write(MO_HACTIVE_ODD, width);
+ dprintk(1,"set_scale: hactive 0x%04x\n", width);
+
+ // recalc V scale Register (delay is constant)
+ cx_write(MO_VDELAY_EVEN, norm_vdelay(core->tvnorm));
+ cx_write(MO_VDELAY_ODD, norm_vdelay(core->tvnorm));
+ dprintk(1,"set_scale: vdelay 0x%04x\n", norm_vdelay(core->tvnorm));
+
+ value = (0x10000 - (sheight * 512 / height - 512)) & 0x1fff;
+ cx_write(MO_VSCALE_EVEN, value);
+ cx_write(MO_VSCALE_ODD, value);
+ dprintk(1,"set_scale: vscale 0x%04x\n", value);
+
+ cx_write(MO_VACTIVE_EVEN, sheight);
+ cx_write(MO_VACTIVE_ODD, sheight);
+ dprintk(1,"set_scale: vactive 0x%04x\n", sheight);
+
+ // setup filters
+ value = 0;
+ value |= (1 << 19); // CFILT (default)
+ if (core->tvnorm->id & V4L2_STD_SECAM) {
+ value |= (1 << 15);
+ value |= (1 << 16);
+ }
+ 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)
+ if (width < 385)
+ value |= (1 << 0); // 3-tap interpolation
+ if (width < 193)
+ value |= (1 << 1); // 5-tap interpolation
+
+ cx_write(MO_FILTER_EVEN, value);
+ cx_write(MO_FILTER_ODD, value);
+ dprintk(1,"set_scale: filter 0x%04x\n", value);
+
+ return 0;
+}
+
+static const u32 xtal = 28636363;
+
+static int set_pll(struct cx88_core *core, int prescale, u32 ofreq)
+{
+ static u32 pre[] = { 0, 0, 0, 3, 2, 1 };
+ u64 pll;
+ u32 reg;
+ int i;
+
+ if (prescale < 2)
+ prescale = 2;
+ if (prescale > 5)
+ prescale = 5;
+
+ pll = ofreq * 8 * prescale * (u64)(1 << 20);
+ do_div(pll,xtal);
+ reg = (pll & 0x3ffffff) | (pre[prescale] << 26);
+ if (((reg >> 20) & 0x3f) < 14) {
+ printk("%s/0: pll out of range\n",core->name);
+ return -1;
+ }
+
+ dprintk(1,"set_pll: MO_PLL_REG 0x%08x [old=0x%08x,freq=%d]\n",
+ reg, cx_read(MO_PLL_REG), ofreq);
+ cx_write(MO_PLL_REG, reg);
+ for (i = 0; i < 100; i++) {
+ reg = cx_read(MO_DEVICE_STATUS);
+ if (reg & (1<<2)) {
+ dprintk(1,"pll locked [pre=%d,ofreq=%d]\n",
+ prescale,ofreq);
+ return 0;
+ }
+ dprintk(1,"pll not locked yet, waiting ...\n");
+ msleep(10);
+ }
+ dprintk(1,"pll NOT locked [pre=%d,ofreq=%d]\n",prescale,ofreq);
+ return -1;
+}
+
+static int set_tvaudio(struct cx88_core *core)
+{
+ struct cx88_tvnorm *norm = core->tvnorm;
+
+ if (CX88_VMUX_TELEVISION != INPUT(core->input)->type)
+ return 0;
+
+ if (V4L2_STD_PAL_BG & norm->id) {
+ core->tvaudio = nicam ? WW_NICAM_BGDKL : WW_A2_BG;
+
+ } else if (V4L2_STD_PAL_DK & norm->id) {
+ core->tvaudio = nicam ? WW_NICAM_BGDKL : WW_A2_DK;
+
+ } else if (V4L2_STD_PAL_I & norm->id) {
+ core->tvaudio = WW_NICAM_I;
+
+ } else if (V4L2_STD_SECAM_L & norm->id) {
+ core->tvaudio = WW_SYSTEM_L_AM;
+
+ } else if (V4L2_STD_SECAM_DK & norm->id) {
+ core->tvaudio = WW_A2_DK;
+
+ } else if ((V4L2_STD_NTSC_M & norm->id) ||
+ (V4L2_STD_PAL_M & norm->id)) {
+ core->tvaudio = WW_BTSC;
+
+ } else if (V4L2_STD_NTSC_M_JP & norm->id) {
+ core->tvaudio = WW_EIAJ;
+
+ } else {
+ printk("%s/0: tvaudio support needs work for this tv norm [%s], sorry\n",
+ core->name, norm->name);
+ core->tvaudio = 0;
return 0;
+ }
+
+ cx_andor(MO_AFECFG_IO, 0x1f, 0x0);
+ cx88_set_tvaudio(core);
+ // cx88_set_stereo(dev,V4L2_TUNER_MODE_STEREO);
+
+ cx_write(MO_AUDD_LNGTH, 128/8); /* fifo size */
+ cx_write(MO_AUDR_LNGTH, 128/8); /* fifo size */
+ cx_write(MO_AUD_DMACNTRL, 0x03); /* need audio fifo */
+ return 0;
+}
+
+int cx88_set_tvnorm(struct cx88_core *core, struct cx88_tvnorm *norm)
+{
+ u32 fsc8;
+ u32 adc_clock;
+ u32 vdec_clock;
+ u32 step_db,step_dr;
+ u64 tmp64;
+ u32 bdelay,agcdelay,htotal;
+
+ core->tvnorm = norm;
+ fsc8 = norm_fsc8(norm);
+ adc_clock = xtal;
+ vdec_clock = fsc8;
+ step_db = fsc8;
+ step_dr = fsc8;
+
+ if (norm->id & V4L2_STD_SECAM) {
+ step_db = 4250000 * 8;
+ step_dr = 4406250 * 8;
+ }
+
+ dprintk(1,"set_tvnorm: \"%s\" fsc8=%d adc=%d vdec=%d db/dr=%d/%d\n",
+ norm->name, fsc8, adc_clock, vdec_clock, step_db, step_dr);
+ set_pll(core,2,vdec_clock);
+ dprintk(1,"set_tvnorm: MO_INPUT_FORMAT 0x%08x [old=0x%08x]\n",
+ 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);
+ do_div(tmp64, vdec_clock);
+ dprintk(1,"set_tvnorm: MO_SCONV_REG 0x%08x [old=0x%08x]\n",
+ (u32)tmp64, cx_read(MO_SCONV_REG));
+ cx_write(MO_SCONV_REG, (u32)tmp64);
+
+ // MO_SUB_STEP = 8 * fsc / video dec clock * 2^22
+ tmp64 = step_db * (u64)(1 << 22);
+ do_div(tmp64, vdec_clock);
+ dprintk(1,"set_tvnorm: MO_SUB_STEP 0x%08x [old=0x%08x]\n",
+ (u32)tmp64, cx_read(MO_SUB_STEP));
+ cx_write(MO_SUB_STEP, (u32)tmp64);
+
+ // MO_SUB_STEP_DR = 8 * 4406250 / video dec clock * 2^22
+ tmp64 = step_dr * (u64)(1 << 22);
+ do_div(tmp64, vdec_clock);
+ dprintk(1,"set_tvnorm: MO_SUB_STEP_DR 0x%08x [old=0x%08x]\n",
+ (u32)tmp64, cx_read(MO_SUB_STEP_DR));
+ cx_write(MO_SUB_STEP_DR, (u32)tmp64);
+
+ // bdelay + agcdelay
+ bdelay = vdec_clock * 65 / 20000000 + 21;
+ agcdelay = vdec_clock * 68 / 20000000 + 15;
+ dprintk(1,"set_tvnorm: MO_AGC_BURST 0x%08x [old=0x%08x,bdelay=%d,agcdelay=%d]\n",
+ (bdelay << 8) | agcdelay, cx_read(MO_AGC_BURST), bdelay, agcdelay);
+ cx_write(MO_AGC_BURST, (bdelay << 8) | agcdelay);
+
+ // htotal
+ tmp64 = norm_htotal(norm) * (u64)vdec_clock;
+ do_div(tmp64, fsc8);
+ htotal = (u32)tmp64 | (norm_notchfilter(norm) << 11);
+ dprintk(1,"set_tvnorm: MO_HTOTAL 0x%08x [old=0x%08x,htotal=%d]\n",
+ htotal, cx_read(MO_HTOTAL), (u32)tmp64);
+ cx_write(MO_HTOTAL, htotal);
+
+ // vbi stuff
+ cx_write(MO_VBI_PACKET, ((1 << 11) | /* (norm_vdelay(norm) << 11) | */
+ norm_vbipack(norm)));
+
+ // audio
+ 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;
+}
+
+/* ------------------------------------------------------------------ */
+
+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);
if (pci_pci_problems & PCIPCI_ALIMAGIK) {
printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
name);
- *latency = 0x0A;
+ 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,
+ char *type)
+{
+ struct video_device *vfd;
+
+ vfd = video_device_alloc();
+ if (NULL == vfd)
+ return NULL;
+ *vfd = *template;
+ vfd->minor = -1;
+ 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);
+ 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%lx\n",
+ core->name,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;
+
+ down(&devlist);
+ list_for_each(item,&cx88_devlist) {
+ core = list_entry(item, struct cx88_core, 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;
+ atomic_inc(&core->refcount);
+ up(&devlist);
+ return core;
+ }
+ core = kmalloc(sizeof(*core),GFP_KERNEL);
+ if (NULL == core)
+ goto fail_unlock;
+
+ memset(core,0,sizeof(*core));
+ core->pci_bus = pci->bus->number;
+ core->pci_slot = PCI_SLOT(pci->devfn);
+ atomic_inc(&core->refcount);
+
+ core->nr = cx88_devcount++;
+ sprintf(core->name,"cx88[%d]",core->nr);
+ if (0 != get_ressources(core,pci)) {
+ 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);
+ }
+ 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");
+
+ core->tuner_type = tuner[core->nr];
+ if (UNSET == core->tuner_type)
+ core->tuner_type = cx88_boards[core->board].tuner_type;
+ core->tda9887_conf = cx88_boards[core->board].tda9887_conf;
+
+ /* init hardware */
+ cx88_reset(core);
+ cx88_i2c_init(core,pci);
+ cx88_card_setup(core);
+
+ up(&devlist);
+ return core;
+
+fail_free:
+ kfree(core);
+fail_unlock:
+ up(&devlist);
+ return NULL;
+}
+
+void cx88_core_put(struct cx88_core *core, struct pci_dev *pci)
+{
+ release_mem_region(pci_resource_start(pci,0),
+ pci_resource_len(pci,0));
+
+ if (!atomic_dec_and_test(&core->refcount))
+ return;
+
+ down(&devlist);
+ if (0 == core->i2c_rc)
+ i2c_bit_del_bus(&core->i2c_adap);
+ list_del(&core->devlist);
+ iounmap(core->lmmio);
+ cx88_devcount--;
+ up(&devlist);
+ kfree(core);
+}
+
+/* ------------------------------------------------------------------ */
+
EXPORT_SYMBOL(cx88_print_ioctl);
EXPORT_SYMBOL(cx88_pci_irqs);
EXPORT_SYMBOL(cx88_vid_irqs);
+EXPORT_SYMBOL(cx88_mpeg_irqs);
EXPORT_SYMBOL(cx88_print_irqbits);
+EXPORT_SYMBOL(cx88_irq);
+EXPORT_SYMBOL(cx88_wakeup);
+EXPORT_SYMBOL(cx88_reset);
+EXPORT_SYMBOL(cx88_shutdown);
+
EXPORT_SYMBOL(cx88_risc_buffer);
+EXPORT_SYMBOL(cx88_risc_databuffer);
EXPORT_SYMBOL(cx88_risc_stopper);
EXPORT_SYMBOL(cx88_free_buffer);
EXPORT_SYMBOL(cx88_sram_channel_setup);
EXPORT_SYMBOL(cx88_sram_channel_dump);
-EXPORT_SYMBOL(cx88_pci_quirks);
+EXPORT_SYMBOL(cx88_set_tvnorm);
+EXPORT_SYMBOL(cx88_set_scale);
+
+EXPORT_SYMBOL(cx88_vdev_init);
+EXPORT_SYMBOL(cx88_core_get);
+EXPORT_SYMBOL(cx88_core_put);
/*
* Local variables:
git://git.onelab.eu / linux-2.6.git / blobdiff