V4L/DVB (7007): cx23885: Add basic video support for the HVR1800

This enabled basic preview NTSC and PAL support for the HVR1800.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 159 insertions, 26 deletions

diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c
index 8616a26895d8..e1b06d79e9b1 100644
--- a/drivers/media/video/cx23885/cx23885-core.c
+++ b/drivers/media/video/cx23885/cx23885-core.c
@@ -50,7 +50,7 @@ MODULE_PARM_DESC(card,"card type");
 static unsigned int cx23885_devcount;
 
 static DEFINE_MUTEX(devlist);
-static LIST_HEAD(cx23885_devlist);
+LIST_HEAD(cx23885_devlist);
 
 #define NO_SYNC_LINE (-1U)
 
@@ -356,7 +356,7 @@ static int cx23885_risc_decode(u32 risc)
 	return incr[risc >> 28] ? incr[risc >> 28] : 1;
 }
 
-static void cx23885_wakeup(struct cx23885_tsport *port,
+void cx23885_wakeup(struct cx23885_tsport *port,
 			   struct cx23885_dmaqueue *q, u32 count)
 {
 	struct cx23885_dev *dev = port->dev;
@@ -392,7 +392,7 @@ static void cx23885_wakeup(struct cx23885_tsport *port,
 		       __FUNCTION__, bc);
 }
 
-static int cx23885_sram_channel_setup(struct cx23885_dev *dev,
+int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 				      struct sram_channel *ch,
 				      unsigned int bpl, u32 risc)
 {
@@ -465,7 +465,7 @@ static int cx23885_sram_channel_setup(struct cx23885_dev *dev,
 	return 0;
 }
 
-static void cx23885_sram_channel_dump(struct cx23885_dev *dev,
+void cx23885_sram_channel_dump(struct cx23885_dev *dev,
 				      struct sram_channel *ch)
 {
 	static char *name[] = {
@@ -592,15 +592,18 @@ static void cx23885_reset(struct cx23885_dev *dev)
 
 	mdelay(100);
 
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH01 ], 188*4, 0);
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH02 ], 128, 0);
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH03 ], 188*4, 0);
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH04 ], 128, 0);
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH05 ], 128, 0);
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH06 ], 188*4, 0);
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH07 ], 128, 0);
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH08 ], 128, 0);
-	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH09 ], 128, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
+		720*4, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH02], 128, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH03],
+		188*4, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH04], 128, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH05], 128, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH06],
+		188*4, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH07], 128, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH08], 128, 0);
+	cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH09], 128, 0);
 
 	cx23885_gpio_setup(dev);
 }
@@ -634,7 +637,7 @@ static int get_resources(struct cx23885_dev *dev)
 }
 
 static void cx23885_timeout(unsigned long data);
-static int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
+int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 				u32 reg, u32 mask, u32 value);
 
 static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *port, int portno)
@@ -854,6 +857,17 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 
 	cx23885_pci_quirks(dev);
 
+	/* Assume some sensible defaults */
+	dev->tuner_type = cx23885_boards[dev->board].tuner_type;
+	dev->tuner_addr = cx23885_boards[dev->board].tuner_addr;
+	dev->radio_type = cx23885_boards[dev->board].radio_type;
+	dev->radio_addr = cx23885_boards[dev->board].radio_addr;
+
+	dprintk(1, "%s() tuner_type = 0x%x tuner_addr = 0x%x\n",
+		__FUNCTION__, dev->tuner_type, dev->tuner_addr);
+	dprintk(1, "%s() radio_type = 0x%x radio_addr = 0x%x\n",
+		__FUNCTION__, dev->radio_type, dev->radio_addr);
+
 	/* init hardware */
 	cx23885_reset(dev);
 
@@ -864,14 +878,21 @@ static int cx23885_dev_setup(struct cx23885_dev *dev)
 	cx23885_card_setup(dev);
 	cx23885_ir_init(dev);
 
-	if(cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) {
+	if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO) {
+		if (cx23885_video_register(dev) < 0) {
+			printk(KERN_ERR "%s() Failed to register analog "
+				"video adapters on VID_A\n", __FUNCTION__);
+		}
+	}
+
+	if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) {
 		if (cx23885_dvb_register(&dev->ts1) < 0) {
 			printk(KERN_ERR "%s() Failed to register dvb adapters on VID_B\n",
 			       __FUNCTION__);
 		}
 	}
 
-	if(cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) {
+	if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) {
 		if (cx23885_dvb_register(&dev->ts2) < 0) {
 			printk(KERN_ERR "%s() Failed to register dvb adapters on VID_C\n",
 			       __FUNCTION__);
@@ -891,6 +912,9 @@ static void cx23885_dev_unregister(struct cx23885_dev *dev)
 	if (!atomic_dec_and_test(&dev->refcount))
 		return;
 
+	if (cx23885_boards[dev->board].porta == CX23885_ANALOG_VIDEO)
+		cx23885_video_unregister(dev);
+
 	if(cx23885_boards[dev->board].portb == CX23885_MPEG_DVB)
 		cx23885_dvb_unregister(&dev->ts1);
 
@@ -958,6 +982,45 @@ static u32* cx23885_risc_field(u32 *rp, struct scatterlist *sglist,
 	return rp;
 }
 
+int cx23885_risc_buffer(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;
+	u32 *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;
+	if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0)
+		return rc;
+
+	/* write risc instructions */
+	rp = risc->cpu;
+	if (UNSET != top_offset)
+		rp = cx23885_risc_field(rp, sglist, top_offset, 0,
+					bpl, padding, lines);
+	if (UNSET != bottom_offset)
+		rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x200,
+					bpl, padding, lines);
+
+	/* save pointer to jmp instruction address */
+	risc->jmp = rp;
+	BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size);
+	return 0;
+}
 
 static int cx23885_risc_databuffer(struct pci_dev *pci,
 				   struct btcx_riscmem *risc,
@@ -990,7 +1053,7 @@ static int cx23885_risc_databuffer(struct pci_dev *pci,
 	return 0;
 }
 
-static int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
+int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc,
 				u32 reg, u32 mask, u32 value)
 {
 	u32 *rp;
@@ -1023,6 +1086,57 @@ void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf)
 	buf->vb.state = VIDEOBUF_NEEDS_INIT;
 }
 
+static void cx23885_tsport_reg_dump(struct cx23885_tsport *port)
+{
+	struct cx23885_dev *dev = port->dev;
+
+	dprintk(1, "%s() Register Dump\n", __FUNCTION__);
+	dprintk(1, "%s() DEV_CNTRL2               0x%08X\n", __FUNCTION__,
+		cx_read(DEV_CNTRL2));
+	dprintk(1, "%s() PCI_INT_MSK              0x%08X\n", __FUNCTION__,
+		cx_read(PCI_INT_MSK));
+	dprintk(1, "%s() AUD_INT_INT_MSK          0x%08X\n", __FUNCTION__,
+		cx_read(AUDIO_INT_INT_MSK));
+	dprintk(1, "%s() AUD_INT_DMA_CTL          0x%08X\n", __FUNCTION__,
+		cx_read(AUD_INT_DMA_CTL));
+	dprintk(1, "%s() AUD_EXT_INT_MSK          0x%08X\n", __FUNCTION__,
+		cx_read(AUDIO_EXT_INT_MSK));
+	dprintk(1, "%s() AUD_EXT_DMA_CTL          0x%08X\n", __FUNCTION__,
+		cx_read(AUD_EXT_DMA_CTL));
+	dprintk(1, "%s() PAD_CTRL                 0x%08X\n", __FUNCTION__,
+		cx_read(PAD_CTRL));
+	dprintk(1, "%s() ALT_PIN_OUT_SEL          0x%08X\n", __FUNCTION__,
+		cx_read(ALT_PIN_OUT_SEL));
+	dprintk(1, "%s() GPIO2                    0x%08X\n", __FUNCTION__,
+		cx_read(GPIO2));
+	dprintk(1, "%s() gpcnt(0x%08X)          0x%08X\n", __FUNCTION__,
+		port->reg_gpcnt, cx_read(port->reg_gpcnt));
+	dprintk(1, "%s() gpcnt_ctl(0x%08X)      0x%08x\n", __FUNCTION__,
+		port->reg_gpcnt_ctl, cx_read(port->reg_gpcnt_ctl));
+	dprintk(1, "%s() dma_ctl(0x%08X)        0x%08x\n", __FUNCTION__,
+		port->reg_dma_ctl, cx_read(port->reg_dma_ctl));
+	dprintk(1, "%s() src_sel(0x%08X)        0x%08x\n", __FUNCTION__,
+		port->reg_src_sel, cx_read(port->reg_src_sel));
+	dprintk(1, "%s() lngth(0x%08X)          0x%08x\n", __FUNCTION__,
+		port->reg_lngth, cx_read(port->reg_lngth));
+	dprintk(1, "%s() hw_sop_ctrl(0x%08X)    0x%08x\n", __FUNCTION__,
+		port->reg_hw_sop_ctrl, cx_read(port->reg_hw_sop_ctrl));
+	dprintk(1, "%s() gen_ctrl(0x%08X)       0x%08x\n", __FUNCTION__,
+		port->reg_gen_ctrl, cx_read(port->reg_gen_ctrl));
+	dprintk(1, "%s() bd_pkt_status(0x%08X)  0x%08x\n", __FUNCTION__,
+		port->reg_bd_pkt_status, cx_read(port->reg_bd_pkt_status));
+	dprintk(1, "%s() sop_status(0x%08X)     0x%08x\n", __FUNCTION__,
+		port->reg_sop_status, cx_read(port->reg_sop_status));
+	dprintk(1, "%s() fifo_ovfl_stat(0x%08X) 0x%08x\n", __FUNCTION__,
+		port->reg_fifo_ovfl_stat, cx_read(port->reg_fifo_ovfl_stat));
+	dprintk(1, "%s() vld_misc(0x%08X)       0x%08x\n", __FUNCTION__,
+		port->reg_vld_misc, cx_read(port->reg_vld_misc));
+	dprintk(1, "%s() ts_clk_en(0x%08X)      0x%08x\n", __FUNCTION__,
+		port->reg_ts_clk_en, cx_read(port->reg_ts_clk_en));
+	dprintk(1, "%s() ts_int_msk(0x%08X)     0x%08x\n", __FUNCTION__,
+		port->reg_ts_int_msk, cx_read(port->reg_ts_int_msk));
+}
+
 static int cx23885_start_dma(struct cx23885_tsport *port,
 			     struct cx23885_dmaqueue *q,
 			     struct cx23885_buffer   *buf)
@@ -1085,6 +1199,9 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 
 	cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */
 
+	if (debug > 4)
+		cx23885_tsport_reg_dump(port);
+
 	return 0;
 }
 
@@ -1100,7 +1217,7 @@ static int cx23885_stop_dma(struct cx23885_tsport *port)
 	return 0;
 }
 
-static int cx23885_restart_queue(struct cx23885_tsport *port,
+int cx23885_restart_queue(struct cx23885_tsport *port,
 				struct cx23885_dmaqueue *q)
 {
 	struct cx23885_dev *dev = port->dev;
@@ -1324,12 +1441,15 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
 	struct cx23885_tsport *ts1 = &dev->ts1;
 	struct cx23885_tsport *ts2 = &dev->ts2;
 	u32 pci_status, pci_mask;
+	u32 vida_status, vida_mask;
 	u32 ts1_status, ts1_mask;
 	u32 ts2_status, ts2_mask;
-	int ts1_count = 0, ts2_count = 0, handled = 0;
+	int vida_count = 0, ts1_count = 0, ts2_count = 0, handled = 0;
 
 	pci_status = cx_read(PCI_INT_STAT);
 	pci_mask = cx_read(PCI_INT_MSK);
+	vida_status = cx_read(VID_A_INT_STAT);
+	vida_mask = cx_read(VID_A_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);
@@ -1338,11 +1458,17 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
 	if ( (pci_status == 0) && (ts2_status == 0) && (ts1_status == 0) )
 		goto out;
 
+	vida_count = cx_read(VID_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, "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", ts2_status, ts2_mask, ts2_count );
+	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, "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",
+		ts2_status, ts2_mask, ts2_count);
 
 	if ( (pci_status & PCI_MSK_RISC_RD) ||
 	     (pci_status & PCI_MSK_RISC_WR) ||
@@ -1379,11 +1505,18 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
 
 	}
 
-	if (ts1_status)
-		handled += cx23885_irq_ts(ts1, ts1_status);
+	if (ts1_status) {
+		if (cx23885_boards[dev->board].portb == CX23885_MPEG_DVB)
+			handled += cx23885_irq_ts(ts1, ts1_status);
+	}
+
+	if (ts2_status) {
+		if (cx23885_boards[dev->board].portc == CX23885_MPEG_DVB)
+			handled += cx23885_irq_ts(ts2, ts2_status);
+	}
 
-	if (ts2_status)
-		handled += cx23885_irq_ts(ts2, ts2_status);
+	if (vida_status)
+		handled += cx23885_video_irq(dev, vida_status);
 
 	if (handled)
 		cx_write(PCI_INT_STAT, pci_status);