V4L/DVB (6155): Cleanup/remove code to access the sram memory maps

The cx23885 and cx23887 family use two different memory maps which govern
how the internal SRAM is configured. This patch streamlines the access to those
structures.
Signed-off-by: NSteven Toth <stoth@hauppauge.com>
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cx23885/cx23885-core.c

@@ -584,7 +584,6 @@ void cx23885_reset(struct cx23885_dev *dev)
 
 	mdelay(100);
 
-#if SRAM
 	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 ], 128, 0);
@@ -595,37 +594,6 @@ void cx23885_reset(struct cx23885_dev *dev)
 	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH08 ], 128, 0);
 	cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH09 ], 128, 0);
 
-#else
-	// FIXME: Put a pointer to the sram_channel table in cx23885_dev
-	// and stop all this ugly switch/if code
-	switch(cx23885_boards[dev->board].bridge) {
-	case CX23885_BRIDGE_885:
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH01 ], 188*4, 0);
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH02 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH03 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH04 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH05 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH06 ], 188*4, 0);
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH07 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH08 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH09 ], 128, 0);
-		break;
-	case CX23885_BRIDGE_887:
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH01 ], 188*4, 0);
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH02 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH03 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH04 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH05 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH06 ], 188*4, 0);
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH07 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH08 ], 128, 0);
-		cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH09 ], 128, 0);
-		break;
-	default:
-		printk(KERN_ERR "%s() error, default case", __FUNCTION__ );
-	}
-#endif
-
 	switch(dev->board) {
 	case CX23885_BOARD_HAUPPAUGE_HVR1800:
 		/* GPIO-0 656_CLK */
@@ -1019,38 +987,14 @@ static int cx23885_start_dma(struct cx23885_tsport *port,
 	dprintk(1, "%s() w: %d, h: %d, f: %d\n", __FUNCTION__,
 			buf->vb.width, buf->vb.height, buf->vb.field);
 
-#if SRAM
 	/* setup fifo + format */
 	cx23885_sram_channel_setup(dev,
 		&dev->sram_channels[ port->sram_chno ],
 		port->ts_packet_size, buf->risc.dma);
-	if(debug > 5)
+	if(debug > 5) {
 		cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ] );
-#else
-	// FIXME: Put a pointer to the sram_channel table in cx23885_dev
-	// and stop all this ugly switch/if code
-	switch(cx23885_boards[dev->board].bridge) {
-	case CX23885_BRIDGE_885:
-		cx23885_sram_channel_setup(dev,
-			&cx23885_sram_channels[ port->sram_chno ],
-			port->ts_packet_size, buf->risc.dma);
-		if(debug > 5)
-			cx23885_sram_channel_dump(dev, &cx23885_sram_channels[ port->sram_chno ] );
-		break;
-	case CX23885_BRIDGE_887:
-		cx23885_sram_channel_setup(dev,
-			&cx23887_sram_channels[ port->sram_chno ],
-			port->ts_packet_size, buf->risc.dma);
-		if(debug > 5)
-			cx23885_sram_channel_dump(dev, &cx23887_sram_channels[ port->sram_chno ] );
-		break;
-	default:
-		printk(KERN_ERR "%s() error, default case", __FUNCTION__ );
-	}
-#endif
-
-	if(debug > 5)
 		cx23885_risc_disasm(port, &buf->risc);
+	}
 
 	/* write TS length to chip */
 	cx_write(port->reg_lngth, buf->vb.width);
@@ -1323,18 +1267,8 @@ static void cx23885_timeout(unsigned long data)
 	dprintk(1, "%s()\n",__FUNCTION__);
 
 	if (debug > 5)
-#if SRAM
 		cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]);
-#else
-	{
-		// FIXME: Put a pointer to the sram_channel table in cx23885_dev
-		// and stop all this ugly switch/if code
-		if(cx23885_boards[dev->board].bridge == CX23885_BRIDGE_885)
-			cx23885_sram_channel_dump(dev, &cx23885_sram_channels[ port->sram_chno ]);
-		if(cx23885_boards[dev->board].bridge == CX23885_BRIDGE_887)
-			cx23885_sram_channel_dump(dev, &cx23887_sram_channels[ port->sram_chno ]);
-	}
-#endif
+
 	cx23885_stop_dma(port);
 	do_cancel_buffers(port, "timeout", 1);
 }
@@ -1431,12 +1365,7 @@ static irqreturn_t cx23885_irq(int irq, void *dev_id)
 		printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name);
 
 		cx_clear(port->reg_dma_ctl, port->dma_ctl_val);
-#if SRAM
 		cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]);
-#else
-		cx23885_sram_channel_dump(dev, &cx23885_sram_channels[ port->sram_chno ]);
-#endif
-
 
 	} else if (ts2_status & VID_C_MSK_RISCI1) {
 

drivers/media/video/cx23885/cx23885.h

@@ -44,8 +44,6 @@
 
 #define CX23885_MAXBOARDS 8
 
-#define SRAM 0
-
 /* Max number of inputs by card */
 #define MAX_CX23885_INPUT 8