[MPlayer-matrox] r259 - mga_vid/trunk/mga_vid.c
attila
subversion at mplayerhq.hu
Sun Oct 21 16:23:00 CEST 2007
Author: attila
Date: Sun Oct 21 16:23:00 2007
New Revision: 259
Log:
cosemetics, complete reindentation
Modified:
mga_vid/trunk/mga_vid.c
Modified: mga_vid/trunk/mga_vid.c
==============================================================================
--- mga_vid/trunk/mga_vid.c (original)
+++ mga_vid/trunk/mga_vid.c Sun Oct 21 16:23:00 2007
@@ -24,7 +24,6 @@
// and Gergely Nagy for pushing into the right direction with
// his patch for 2.6.0-test1
-
#define MODULENAME "mga_vid"
// we are only allowed to register 16 cards
@@ -64,7 +63,7 @@
#include "mga_vid.h"
-#ifdef CONFIG_MTRR
+#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
@@ -72,19 +71,19 @@
#include <asm/system.h>
#include <asm/io.h>
-#ifndef PCI_DEVICE_ID_MATROX_G200_PCI
+#ifndef PCI_DEVICE_ID_MATROX_G200_PCI
#define PCI_DEVICE_ID_MATROX_G200_PCI 0x0520
#endif
-#ifndef PCI_DEVICE_ID_MATROX_G200_AGP
+#ifndef PCI_DEVICE_ID_MATROX_G200_AGP
#define PCI_DEVICE_ID_MATROX_G200_AGP 0x0521
#endif
-#ifndef PCI_DEVICE_ID_MATROX_G400
+#ifndef PCI_DEVICE_ID_MATROX_G400
#define PCI_DEVICE_ID_MATROX_G400 0x0525
#endif
-#ifndef PCI_DEVICE_ID_MATROX_G550
+#ifndef PCI_DEVICE_ID_MATROX_G550
#define PCI_DEVICE_ID_MATROX_G550 0x2527
#endif
@@ -116,8 +115,7 @@ MODULE_LICENSE("GPL");
#define min(x,y) (((x)<(y))?(x):(y))
#endif
-typedef struct bes_registers_s
-{
+typedef struct bes_registers_s {
//BES Control
uint32_t besctl;
//BES Global control
@@ -166,7 +164,6 @@ typedef struct bes_registers_s
//BES Horizontal source last
uint32_t beshsrclst;
-
//BES Vertical coord
uint32_t besvcoord;
//BES Vertical inverse scaling [5.14]
@@ -180,7 +177,6 @@ typedef struct bes_registers_s
//BES Field 2 weight start
uint32_t besv2wght;
-
//configurable stuff
int blackie;
@@ -190,7 +186,7 @@ typedef struct bes_registers_s
//because we want all our register accesses to be 32 bits
#define VCOUNT 0x1e20
-#define PALWTADD 0x3c00 // Index register for X_DATAREG port
+#define PALWTADD 0x3c00 // Index register for X_DATAREG port
#define X_DATAREG 0x3c0a
#define XMULCTRL 0x19
@@ -221,7 +217,7 @@ typedef struct bes_registers_s
#define BESA1CORG 0x3d10
#define BESA1ORG 0x3d00
-#define BESA2C3ORG 0x3d64
+#define BESA2C3ORG 0x3d64
#define BESA2CORG 0x3d14
#define BESA2ORG 0x3d04
@@ -261,7 +257,7 @@ static dev_t mga_cdev_handle;
// card local config
typedef struct mga_card_s {
- uint8_t *param_buff; // buffer for read()
+ uint8_t *param_buff; // buffer for read()
size_t param_buff_size;
size_t param_buff_len;
bes_registers_t regs;
@@ -271,29 +267,29 @@ typedef struct mga_card_s {
uint32_t vid_overlay_on;
uint8_t *mmio_base;
- uint32_t mem_base;
- int src_base; // YUV buffer position in video memory
+ uint32_t mem_base;
+ int src_base; // YUV buffer position in video memory
uint32_t ram_size; // how many megabytes videoram we have
uint32_t top_reserved; // reserved space for console font (matroxfb + fastfont)
- int brightness; // initial brightness
- int contrast; // initial contrast
+ int brightness; // initial brightness
+ int contrast; // initial contrast
struct pci_dev *pci_dev;
- mga_vid_config_t config;
- int configured; // set to 1 when the card is configured over ioctl
+ mga_vid_config_t config;
+ int configured; // set to 1 when the card is configured over ioctl
int colkey_saved;
int colkey_on;
unsigned char colkey_color[4];
unsigned char colkey_mask[4];
- int next_frame;
+ int next_frame;
} mga_card_t;
-static unsigned int mga_cards_num=0;
-static mga_card_t * mga_cards[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
+static unsigned int mga_cards_num = 0;
+static mga_card_t *mga_cards[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
// module parameters
static int major = DEFAULT_MGA_VID_MAJOR;
@@ -302,8 +298,8 @@ static int mga_brightness[MGA_MAX_CARDS]
static int mga_contrast[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
static int mga_top_reserved[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
-module_param_array(mga_ram_size, int, NULL, 0);
-module_param_array(mga_top_reserved, int, NULL, 0);
+module_param_array(mga_ram_size, int, NULL, 0);
+module_param_array(mga_top_reserved, int, NULL, 0);
module_param_array(mga_brightness, int, NULL, 0);
module_param_array(mga_contrast, int, NULL, 0);
module_param(major, int, 0);
@@ -313,109 +309,108 @@ static void mga_vid_frame_sel(mga_card_t
//we don't need the vcount protection as we're only hitting
//one register (and it doesn't seem to be double buffered)
card->regs.besctl = (card->regs.besctl & ~0x07000000) + (frame << 25);
- writel( card->regs.besctl, card->mmio_base + BESCTL );
+ writel(card->regs.besctl, card->mmio_base + BESCTL);
- writel( card->regs.besglobctl + (MGA_VSYNC_POS<<16),
- card->mmio_base + BESGLOBCTL);
+ writel(card->regs.besglobctl + (MGA_VSYNC_POS << 16),
+ card->mmio_base + BESGLOBCTL);
}
-
static void mga_vid_write_regs(mga_card_t * card, int restore)
{
//Make sure internal registers don't get updated until we're done
- writel( (readl(card->mmio_base + VCOUNT)-1)<<16,
- card->mmio_base + BESGLOBCTL);
+ writel((readl(card->mmio_base + VCOUNT) - 1) << 16,
+ card->mmio_base + BESGLOBCTL);
// color or coordinate keying
-
- if(restore && card->colkey_saved){
- // restore it
- card->colkey_saved=0;
+
+ if (restore && card->colkey_saved) {
+ // restore it
+ card->colkey_saved = 0;
#ifdef MP_DEBUG
printk("mga_vid: Restoring colorkey (ON: %d %02X:%02X:%02X)\n",
- card->colkey_on,card->colkey_color[0],card->colkey_color[1],card->colkey_color[2]);
-#endif
+ card->colkey_on, card->colkey_color[0],
+ card->colkey_color[1], card->colkey_color[2]);
+#endif
// Set color key registers:
- writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
- writeb( card->colkey_on, card->mmio_base + X_DATAREG);
-
- writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
- writeb( card->colkey_color[0], card->mmio_base + X_DATAREG);
- writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
- writeb( card->colkey_color[1], card->mmio_base + X_DATAREG);
- writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
- writeb( card->colkey_color[2], card->mmio_base + X_DATAREG);
- writeb( X_COLKEY, card->mmio_base + PALWTADD);
- writeb( card->colkey_color[3], card->mmio_base + X_DATAREG);
+ writeb(XKEYOPMODE, card->mmio_base + PALWTADD);
+ writeb(card->colkey_on, card->mmio_base + X_DATAREG);
- writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
- writeb( card->colkey_mask[0], card->mmio_base + X_DATAREG);
- writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
- writeb( card->colkey_mask[1], card->mmio_base + X_DATAREG);
- writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
- writeb( card->colkey_mask[2], card->mmio_base + X_DATAREG);
- writeb( XCOLMSK, card->mmio_base + PALWTADD);
- writeb( card->colkey_mask[3], card->mmio_base + X_DATAREG);
+ writeb(XCOLKEY0RED, card->mmio_base + PALWTADD);
+ writeb(card->colkey_color[0], card->mmio_base + X_DATAREG);
+ writeb(XCOLKEY0GREEN, card->mmio_base + PALWTADD);
+ writeb(card->colkey_color[1], card->mmio_base + X_DATAREG);
+ writeb(XCOLKEY0BLUE, card->mmio_base + PALWTADD);
+ writeb(card->colkey_color[2], card->mmio_base + X_DATAREG);
+ writeb(X_COLKEY, card->mmio_base + PALWTADD);
+ writeb(card->colkey_color[3], card->mmio_base + X_DATAREG);
- } else if(!card->colkey_saved){
- // save it
- card->colkey_saved=1;
+ writeb(XCOLMSK0RED, card->mmio_base + PALWTADD);
+ writeb(card->colkey_mask[0], card->mmio_base + X_DATAREG);
+ writeb(XCOLMSK0GREEN, card->mmio_base + PALWTADD);
+ writeb(card->colkey_mask[1], card->mmio_base + X_DATAREG);
+ writeb(XCOLMSK0BLUE, card->mmio_base + PALWTADD);
+ writeb(card->colkey_mask[2], card->mmio_base + X_DATAREG);
+ writeb(XCOLMSK, card->mmio_base + PALWTADD);
+ writeb(card->colkey_mask[3], card->mmio_base + X_DATAREG);
+
+ } else if (!card->colkey_saved) {
+ // save it
+ card->colkey_saved = 1;
// Get color key registers:
- writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
- card->colkey_on=(unsigned char)readb(card->mmio_base + X_DATAREG) & 1;
-
- writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
- card->colkey_color[0]=(unsigned char)readb(card->mmio_base + X_DATAREG);
- writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
- card->colkey_color[1]=(unsigned char)readb(card->mmio_base + X_DATAREG);
- writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
- card->colkey_color[2]=(unsigned char)readb(card->mmio_base + X_DATAREG);
- writeb( X_COLKEY, card->mmio_base + PALWTADD);
- card->colkey_color[3]=(unsigned char)readb(card->mmio_base + X_DATAREG);
+ writeb(XKEYOPMODE, card->mmio_base + PALWTADD);
+ card->colkey_on = (unsigned char)readb(card->mmio_base + X_DATAREG) & 1;
- writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
- card->colkey_mask[0]=(unsigned char)readb(card->mmio_base + X_DATAREG);
- writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
- card->colkey_mask[1]=(unsigned char)readb(card->mmio_base + X_DATAREG);
- writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
- card->colkey_mask[2]=(unsigned char)readb(card->mmio_base + X_DATAREG);
- writeb( XCOLMSK, card->mmio_base + PALWTADD);
- card->colkey_mask[3]=(unsigned char)readb(card->mmio_base + X_DATAREG);
+ writeb(XCOLKEY0RED, card->mmio_base + PALWTADD);
+ card->colkey_color[0] = (unsigned char)readb(card->mmio_base + X_DATAREG);
+ writeb(XCOLKEY0GREEN, card->mmio_base + PALWTADD);
+ card->colkey_color[1] = (unsigned char)readb(card->mmio_base + X_DATAREG);
+ writeb(XCOLKEY0BLUE, card->mmio_base + PALWTADD);
+ card->colkey_color[2] = (unsigned char)readb(card->mmio_base + X_DATAREG);
+ writeb(X_COLKEY, card->mmio_base + PALWTADD);
+ card->colkey_color[3] = (unsigned char)readb(card->mmio_base + X_DATAREG);
+
+ writeb(XCOLMSK0RED, card->mmio_base + PALWTADD);
+ card->colkey_mask[0] = (unsigned char)readb(card->mmio_base + X_DATAREG);
+ writeb(XCOLMSK0GREEN, card->mmio_base + PALWTADD);
+ card->colkey_mask[1] = (unsigned char)readb(card->mmio_base + X_DATAREG);
+ writeb(XCOLMSK0BLUE, card->mmio_base + PALWTADD);
+ card->colkey_mask[2] = (unsigned char)readb(card->mmio_base + X_DATAREG);
+ writeb(XCOLMSK, card->mmio_base + PALWTADD);
+ card->colkey_mask[3] = (unsigned char)readb(card->mmio_base + X_DATAREG);
#ifdef MP_DEBUG
printk("mga_vid: Saved colorkey (ON: %d %02X:%02X:%02X)\n",
- card->colkey_on, card->colkey_color[0], card->colkey_color[1], card->colkey_color[2]);
-#endif
+ card->colkey_on, card->colkey_color[0],
+ card->colkey_color[1], card->colkey_color[2]);
+#endif
}
-
-if(!restore){
- writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
- writeb( card->config.colkey_on, card->mmio_base + X_DATAREG);
- if ( card->config.colkey_on )
- {
- uint32_t r=0, g=0, b=0;
- writeb( XMULCTRL, card->mmio_base + PALWTADD);
- switch (readb (card->mmio_base + X_DATAREG))
- {
+ if (!restore) {
+ writeb(XKEYOPMODE, card->mmio_base + PALWTADD);
+ writeb(card->config.colkey_on, card->mmio_base + X_DATAREG);
+ if (card->config.colkey_on) {
+ uint32_t r = 0, g = 0, b = 0;
+
+ writeb(XMULCTRL, card->mmio_base + PALWTADD);
+ switch (readb(card->mmio_base + X_DATAREG)) {
case BPP_8:
/* Need to look up the color index, just using color 0 for now. */
- break;
+ break;
case BPP_15:
- r = card->config.colkey_red >> 3;
+ r = card->config.colkey_red >> 3;
g = card->config.colkey_green >> 3;
- b = card->config.colkey_blue >> 3;
- break;
+ b = card->config.colkey_blue >> 3;
+ break;
case BPP_16:
- r = card->config.colkey_red >> 3;
+ r = card->config.colkey_red >> 3;
g = card->config.colkey_green >> 2;
- b = card->config.colkey_blue >> 3;
- break;
+ b = card->config.colkey_blue >> 3;
+ break;
case BPP_24:
case BPP_32_DIR:
@@ -423,83 +418,80 @@ if(!restore){
r = card->config.colkey_red;
g = card->config.colkey_green;
b = card->config.colkey_blue;
- break;
- }
+ break;
+ }
- // Disable color keying on alpha channel
- writeb( XCOLMSK, card->mmio_base + PALWTADD);
- writeb( 0x00, card->mmio_base + X_DATAREG);
- writeb( X_COLKEY, card->mmio_base + PALWTADD);
- writeb( 0x00, card->mmio_base + X_DATAREG);
+ // Disable color keying on alpha channel
+ writeb(XCOLMSK, card->mmio_base + PALWTADD);
+ writeb(0x00, card->mmio_base + X_DATAREG);
+ writeb(X_COLKEY, card->mmio_base + PALWTADD);
+ writeb(0x00, card->mmio_base + X_DATAREG);
+ // Set up color key registers
+ writeb(XCOLKEY0RED, card->mmio_base + PALWTADD);
+ writeb(r, card->mmio_base + X_DATAREG);
+ writeb(XCOLKEY0GREEN, card->mmio_base + PALWTADD);
+ writeb(g, card->mmio_base + X_DATAREG);
+ writeb(XCOLKEY0BLUE, card->mmio_base + PALWTADD);
+ writeb(b, card->mmio_base + X_DATAREG);
- // Set up color key registers
- writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
- writeb( r, card->mmio_base + X_DATAREG);
- writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
- writeb( g, card->mmio_base + X_DATAREG);
- writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
- writeb( b, card->mmio_base + X_DATAREG);
+ // Set up color key mask registers
+ writeb(XCOLMSK0RED, card->mmio_base + PALWTADD);
+ writeb(0xff, card->mmio_base + X_DATAREG);
+ writeb(XCOLMSK0GREEN, card->mmio_base + PALWTADD);
+ writeb(0xff, card->mmio_base + X_DATAREG);
+ writeb(XCOLMSK0BLUE, card->mmio_base + PALWTADD);
+ writeb(0xff, card->mmio_base + X_DATAREG);
+ }
- // Set up color key mask registers
- writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
- writeb( 0xff, card->mmio_base + X_DATAREG);
- writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
- writeb( 0xff, card->mmio_base + X_DATAREG);
- writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
- writeb( 0xff, card->mmio_base + X_DATAREG);
}
-
-}
-
// Backend Scaler
- writel( card->regs.besctl, card->mmio_base + BESCTL);
- if(card->card_type != MGA_G200)
- writel( card->regs.beslumactl, card->mmio_base + BESLUMACTL);
- writel( card->regs.bespitch, card->mmio_base + BESPITCH);
+ writel(card->regs.besctl, card->mmio_base + BESCTL);
+ if (card->card_type != MGA_G200)
+ writel(card->regs.beslumactl, card->mmio_base + BESLUMACTL);
+ writel(card->regs.bespitch, card->mmio_base + BESPITCH);
- writel( card->regs.besa1org, card->mmio_base + BESA1ORG);
- writel( card->regs.besa1corg, card->mmio_base + BESA1CORG);
- writel( card->regs.besa2org, card->mmio_base + BESA2ORG);
- writel( card->regs.besa2corg, card->mmio_base + BESA2CORG);
- writel( card->regs.besb1org, card->mmio_base + BESB1ORG);
- writel( card->regs.besb1corg, card->mmio_base + BESB1CORG);
- writel( card->regs.besb2org, card->mmio_base + BESB2ORG);
- writel( card->regs.besb2corg, card->mmio_base + BESB2CORG);
- if(card->card_type != MGA_G200)
- {
- writel( card->regs.besa1c3org, card->mmio_base + BESA1C3ORG);
- writel( card->regs.besa2c3org, card->mmio_base + BESA2C3ORG);
- writel( card->regs.besb1c3org, card->mmio_base + BESB1C3ORG);
- writel( card->regs.besb2c3org, card->mmio_base + BESB2C3ORG);
+ writel(card->regs.besa1org, card->mmio_base + BESA1ORG);
+ writel(card->regs.besa1corg, card->mmio_base + BESA1CORG);
+ writel(card->regs.besa2org, card->mmio_base + BESA2ORG);
+ writel(card->regs.besa2corg, card->mmio_base + BESA2CORG);
+ writel(card->regs.besb1org, card->mmio_base + BESB1ORG);
+ writel(card->regs.besb1corg, card->mmio_base + BESB1CORG);
+ writel(card->regs.besb2org, card->mmio_base + BESB2ORG);
+ writel(card->regs.besb2corg, card->mmio_base + BESB2CORG);
+ if (card->card_type != MGA_G200) {
+ writel(card->regs.besa1c3org, card->mmio_base + BESA1C3ORG);
+ writel(card->regs.besa2c3org, card->mmio_base + BESA2C3ORG);
+ writel(card->regs.besb1c3org, card->mmio_base + BESB1C3ORG);
+ writel(card->regs.besb2c3org, card->mmio_base + BESB2C3ORG);
}
- writel( card->regs.beshcoord, card->mmio_base + BESHCOORD);
- writel( card->regs.beshiscal, card->mmio_base + BESHISCAL);
- writel( card->regs.beshsrcst, card->mmio_base + BESHSRCST);
- writel( card->regs.beshsrcend, card->mmio_base + BESHSRCEND);
- writel( card->regs.beshsrclst, card->mmio_base + BESHSRCLST);
-
- writel( card->regs.besvcoord, card->mmio_base + BESVCOORD);
- writel( card->regs.besviscal, card->mmio_base + BESVISCAL);
+ writel(card->regs.beshcoord, card->mmio_base + BESHCOORD);
+ writel(card->regs.beshiscal, card->mmio_base + BESHISCAL);
+ writel(card->regs.beshsrcst, card->mmio_base + BESHSRCST);
+ writel(card->regs.beshsrcend, card->mmio_base + BESHSRCEND);
+ writel(card->regs.beshsrclst, card->mmio_base + BESHSRCLST);
+
+ writel(card->regs.besvcoord, card->mmio_base + BESVCOORD);
+ writel(card->regs.besviscal, card->mmio_base + BESVISCAL);
+
+ writel(card->regs.besv1srclst, card->mmio_base + BESV1SRCLST);
+ writel(card->regs.besv1wght, card->mmio_base + BESV1WGHT);
+ writel(card->regs.besv2srclst, card->mmio_base + BESV2SRCLST);
+ writel(card->regs.besv2wght, card->mmio_base + BESV2WGHT);
- writel( card->regs.besv1srclst, card->mmio_base + BESV1SRCLST);
- writel( card->regs.besv1wght, card->mmio_base + BESV1WGHT);
- writel( card->regs.besv2srclst, card->mmio_base + BESV2SRCLST);
- writel( card->regs.besv2wght, card->mmio_base + BESV2WGHT);
-
//update the registers somewhere between 1 and 2 frames from now.
- writel( card->regs.besglobctl + ((readl(card->mmio_base + VCOUNT)+2)<<16),
- card->mmio_base + BESGLOBCTL);
+ writel(card->regs.besglobctl + ((readl(card->mmio_base + VCOUNT) + 2) << 16),
+ card->mmio_base + BESGLOBCTL);
#ifdef MP_DEBUG
printk(KERN_DEBUG "mga_vid: wrote BES registers\n");
printk(KERN_DEBUG "mga_vid: BESCTL = 0x%08x\n",
- readl(card->mmio_base + BESCTL));
+ readl(card->mmio_base + BESCTL));
printk(KERN_DEBUG "mga_vid: BESGLOBCTL = 0x%08x\n",
- readl(card->mmio_base + BESGLOBCTL));
+ readl(card->mmio_base + BESGLOBCTL));
printk(KERN_DEBUG "mga_vid: BESSTATUS= 0x%08x\n",
- readl(card->mmio_base + BESSTATUS));
+ readl(card->mmio_base + BESSTATUS));
#endif
}
@@ -521,137 +513,136 @@ static int mga_vid_set_config(mga_card_t
#ifdef MP_DEBUG
printk(KERN_DEBUG "mga_vid: Setting up a %dx%d+%d+%d video window (src %dx%d) format %X\n",
dw, dh, x, y, sw, sh, config->format);
-#endif
+#endif
- if(sw<4 || sh<4 || dw<4 || dh<4){
- printk(KERN_ERR "mga_vid: Invalid src/dest dimenstions\n");
- return -1;
+ if (sw < 4 || sh < 4 || dw < 4 || dh < 4) {
+ printk(KERN_ERR "mga_vid: Invalid src/dest dimenstions\n");
+ return -1;
}
-
//FIXME check that window is valid and inside desktop
-
+
//Setup the BES registers for a three plane 4:2:0 video source
card->regs.besglobctl = 0;
-switch(config->format){
- case MGA_VID_FORMAT_YV12:
- case MGA_VID_FORMAT_I420:
- case MGA_VID_FORMAT_IYUV:
- card->regs.besctl = 1 // BES enabled
- + (0<<6) // even start polarity
- + (1<<10) // x filtering enabled
- + (1<<11) // y filtering enabled
- + (1<<16) // chroma upsampling
- + (1<<17) // 4:2:0 mode
- + (1<<18); // dither enabled
- break;
+ switch (config->format) {
+ case MGA_VID_FORMAT_YV12:
+ case MGA_VID_FORMAT_I420:
+ case MGA_VID_FORMAT_IYUV:
+ card->regs.besctl = 1 // BES enabled
+ + (0 << 6) // even start polarity
+ + (1 << 10) // x filtering enabled
+ + (1 << 11) // y filtering enabled
+ + (1 << 16) // chroma upsampling
+ + (1 << 17) // 4:2:0 mode
+ + (1 << 18); // dither enabled
+ break;
- case MGA_VID_FORMAT_YUY2:
- card->regs.besctl = 1 // BES enabled
- + (0<<6) // even start polarity
- + (1<<10) // x filtering enabled
- + (1<<11) // y filtering enabled
- + (1<<16) // chroma upsampling
- + (0<<17) // 4:2:2 mode
- + (1<<18); // dither enabled
+ case MGA_VID_FORMAT_YUY2:
+ card->regs.besctl = 1 // BES enabled
+ + (0 << 6) // even start polarity
+ + (1 << 10) // x filtering enabled
+ + (1 << 11) // y filtering enabled
+ + (1 << 16) // chroma upsampling
+ + (0 << 17) // 4:2:2 mode
+ + (1 << 18); // dither enabled
- card->regs.besglobctl = 0; // YUY2 format selected
- break;
+ card->regs.besglobctl = 0; // YUY2 format selected
+ break;
- case MGA_VID_FORMAT_UYVY:
- card->regs.besctl = 1 // BES enabled
- + (0<<6) // even start polarity
- + (1<<10) // x filtering enabled
- + (1<<11) // y filtering enabled
- + (1<<16) // chroma upsampling
- + (0<<17) // 4:2:2 mode
- + (1<<18); // dither enabled
+ case MGA_VID_FORMAT_UYVY:
+ card->regs.besctl = 1 // BES enabled
+ + (0 << 6) // even start polarity
+ + (1 << 10) // x filtering enabled
+ + (1 << 11) // y filtering enabled
+ + (1 << 16) // chroma upsampling
+ + (0 << 17) // 4:2:2 mode
+ + (1 << 18); // dither enabled
- card->regs.besglobctl = 1<<6; // UYVY format selected
- break;
+ card->regs.besglobctl = 1 << 6; // UYVY format selected
+ break;
- default:
- printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n",config->format);
- return -1;
-}
+ default:
+ printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n", config->format);
+ return -1;
+ }
// disable BES vertical filter if width is greater than 1024
// and if we have a G550
- if(sw > 1024 && card->card_type == MGA_G550)
- card->regs.besctl &= ~(1<<11);
+ if (sw > 1024 && card->card_type == MGA_G550)
+ card->regs.besctl &= ~(1 << 11);
// setting black&white mode
- card->regs.besctl|=(card->regs.blackie<<20);
+ card->regs.besctl |= (card->regs.blackie << 20);
//Enable contrast and brightness control
- card->regs.besglobctl |= (1<<5) + (1<<7);
-
+ card->regs.besglobctl |= (1 << 5) + (1 << 7);
+
// brightness (-128..127) && contrast (0..255)
- card->regs.beslumactl = (card->brightness << 16) | ((card->contrast+0x80)&0xFFFF);
+ card->regs.beslumactl =
+ (card->brightness << 16) | ((card->contrast + 0x80) & 0xFFFF);
//Setup destination window boundaries
besleft = x > 0 ? x : 0;
bestop = y > 0 ? y : 0;
- card->regs.beshcoord = (besleft<<16) + (x + dw-1);
- card->regs.besvcoord = (bestop<<16) + (y + dh-1);
-
+ card->regs.beshcoord = (besleft << 16) + (x + dw - 1);
+ card->regs.besvcoord = (bestop << 16) + (y + dh - 1);
+
//Setup source dimensions
- card->regs.beshsrclst = (sw - 1) << 16;
- card->regs.bespitch = (sw + 31) & ~31 ;
-
+ card->regs.beshsrclst = (sw - 1) << 16;
+ card->regs.bespitch = (sw + 31) & ~31;
+
//Setup horizontal scaling
- ifactor = ((sw-1)<<14)/(dw-1);
+ ifactor = ((sw - 1) << 14) / (dw - 1);
ofsleft = besleft - x;
-
- card->regs.beshiscal = ifactor<<2;
- card->regs.beshsrcst = (ofsleft*ifactor)<<2;
+
+ card->regs.beshiscal = ifactor << 2;
+ card->regs.beshsrcst = (ofsleft * ifactor) << 2;
card->regs.beshsrcend = card->regs.beshsrcst + (((dw - ofsleft - 1) * ifactor) << 2);
-
+
//Setup vertical scaling
- ifactor = ((sh-1)<<14)/(dh-1);
+ ifactor = ((sh - 1) << 14) / (dh - 1);
ofstop = bestop - y;
- card->regs.besviscal = ifactor<<2;
+ card->regs.besviscal = ifactor << 2;
- baseadrofs = ( (ofstop * card->regs.besviscal) >>16) * card->regs.bespitch;
+ baseadrofs = ((ofstop * card->regs.besviscal) >> 16) * card->regs.bespitch;
//frame_size = ((sw + 31) & ~31) * sh + (((sw + 31) & ~31) * sh) / 2;
card->regs.besa1org = (uint32_t) card->src_base + baseadrofs;
- card->regs.besa2org = (uint32_t) card->src_base + baseadrofs + 1*frame_size;
- card->regs.besb1org = (uint32_t) card->src_base + baseadrofs + 2*frame_size;
- card->regs.besb2org = (uint32_t) card->src_base + baseadrofs + 3*frame_size;
+ card->regs.besa2org = (uint32_t) card->src_base + baseadrofs + 1 * frame_size;
+ card->regs.besb1org = (uint32_t) card->src_base + baseadrofs + 2 * frame_size;
+ card->regs.besb2org = (uint32_t) card->src_base + baseadrofs + 3 * frame_size;
-if(config->format==MGA_VID_FORMAT_YV12
- ||config->format==MGA_VID_FORMAT_IYUV
- ||config->format==MGA_VID_FORMAT_I420
- ){
- // planar YUV frames:
- if (card->card_type != MGA_G200)
- baseadrofs = ( ( (ofstop * card->regs.besviscal ) / 4 ) >> 16 ) * card->regs.bespitch;
- else
- baseadrofs = ( ( ( ofstop * card->regs.besviscal ) / 2 ) >> 16 ) * card->regs.bespitch;
+ if (config->format == MGA_VID_FORMAT_YV12
+ || config->format == MGA_VID_FORMAT_IYUV
+ || config->format == MGA_VID_FORMAT_I420) {
+ // planar YUV frames:
+ if (card->card_type != MGA_G200)
+ baseadrofs = (((ofstop * card->regs.besviscal) / 4) >> 16) * card->regs.bespitch;
+ else
+ baseadrofs = (((ofstop * card->regs.besviscal) / 2) >> 16) * card->regs.bespitch;
- if(config->format==MGA_VID_FORMAT_YV12 || (card->card_type == MGA_G200)){
- card->regs.besa1corg = (uint32_t) card->src_base + baseadrofs + card->regs.bespitch * sh ;
- card->regs.besa2corg = (uint32_t) card->src_base + baseadrofs + 1*frame_size + card->regs.bespitch * sh;
- card->regs.besb1corg = (uint32_t) card->src_base + baseadrofs + 2*frame_size + card->regs.bespitch * sh;
- card->regs.besb2corg = (uint32_t) card->src_base + baseadrofs + 3*frame_size + card->regs.bespitch * sh;
- card->regs.besa1c3org = card->regs.besa1corg + ( (card->regs.bespitch * sh) / 4);
- card->regs.besa2c3org = card->regs.besa2corg + ( (card->regs.bespitch * sh) / 4);
- card->regs.besb1c3org = card->regs.besb1corg + ( (card->regs.bespitch * sh) / 4);
- card->regs.besb2c3org = card->regs.besb2corg + ( (card->regs.bespitch * sh) / 4);
- } else {
- card->regs.besa1c3org = (uint32_t) card->src_base + baseadrofs + card->regs.bespitch * sh ;
- card->regs.besa2c3org = (uint32_t) card->src_base + baseadrofs + 1*frame_size + card->regs.bespitch * sh;
- card->regs.besb1c3org = (uint32_t) card->src_base + baseadrofs + 2*frame_size + card->regs.bespitch * sh;
- card->regs.besb2c3org = (uint32_t) card->src_base + baseadrofs + 3*frame_size + card->regs.bespitch * sh;
- card->regs.besa1corg = card->regs.besa1c3org + ((card->regs.bespitch * sh) / 4);
- card->regs.besa2corg = card->regs.besa2c3org + ((card->regs.bespitch * sh) / 4);
- card->regs.besb1corg = card->regs.besb1c3org + ((card->regs.bespitch * sh) / 4);
- card->regs.besb2corg = card->regs.besb2c3org + ((card->regs.bespitch * sh) / 4);
- }
+ if (config->format == MGA_VID_FORMAT_YV12 || (card->card_type == MGA_G200)) {
+ card->regs.besa1corg = (uint32_t) card->src_base + baseadrofs + card->regs.bespitch * sh;
+ card->regs.besa2corg = (uint32_t) card->src_base + baseadrofs + 1 * frame_size + card->regs.bespitch * sh;
+ card->regs.besb1corg = (uint32_t) card->src_base + baseadrofs + 2 * frame_size + card->regs.bespitch * sh;
+ card->regs.besb2corg = (uint32_t) card->src_base + baseadrofs + 3 * frame_size + card->regs.bespitch * sh;
+ card->regs.besa1c3org = card->regs.besa1corg + ((card->regs.bespitch * sh) / 4);
+ card->regs.besa2c3org = card->regs.besa2corg + ((card->regs.bespitch * sh) / 4);
+ card->regs.besb1c3org = card->regs.besb1corg + ((card->regs.bespitch * sh) / 4);
+ card->regs.besb2c3org = card->regs.besb2corg + ((card->regs.bespitch * sh) / 4);
+ } else {
+ card->regs.besa1c3org = (uint32_t) card->src_base + baseadrofs + card->regs.bespitch * sh;
+ card->regs.besa2c3org = (uint32_t) card->src_base + baseadrofs + 1 * frame_size + card->regs.bespitch * sh;
+ card->regs.besb1c3org = (uint32_t) card->src_base + baseadrofs + 2 * frame_size + card->regs.bespitch * sh;
+ card->regs.besb2c3org = (uint32_t) card->src_base + baseadrofs + 3 * frame_size + card->regs.bespitch * sh;
+ card->regs.besa1corg = card->regs.besa1c3org + ((card->regs.bespitch * sh) / 4);
+ card->regs.besa2corg = card->regs.besa2c3org + ((card->regs.bespitch * sh) / 4);
+ card->regs.besb1corg = card->regs.besb1c3org + ((card->regs.bespitch * sh) / 4);
+ card->regs.besb2corg = card->regs.besb2c3org + ((card->regs.bespitch * sh) / 4);
+ }
-}
+ }
weight = ofstop * (card->regs.besviscal >> 2);
weights = weight < 0 ? 1 : 0;
@@ -662,168 +653,159 @@ if(config->format==MGA_VID_FORMAT_YV12
return 0;
}
-static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static int mga_vid_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
int frame, result;
uint32_t tmp;
- mga_card_t * card = (mga_card_t *) file->private_data;
+ mga_card_t *card = (mga_card_t *) file->private_data;
- switch(cmd)
- {
- case MGA_VID_CONFIG:
- if(copy_from_user(&card->config,(mga_vid_config_t*) arg,sizeof(mga_vid_config_t)))
- {
- printk(KERN_ERR "mga_vid: failed copy from userspace\n");
- return(-EFAULT);
- }
+ switch (cmd) {
+ case MGA_VID_CONFIG:
+ if (copy_from_user (&card->config, (mga_vid_config_t *) arg, sizeof(mga_vid_config_t))) {
+ printk(KERN_ERR "mga_vid: failed copy from userspace\n");
+ return (-EFAULT);
+ }
+ // return some information back to user space in case we hit an error
+ card->config.card_type = card->card_type;
+ card->config.ram_size = card->ram_size;
+ if (copy_to_user ((mga_vid_config_t *) arg, &card->config, sizeof(mga_vid_config_t))) {
+ printk(KERN_ERR "mga_vid: failed copy to userspace\n");
+ return (-EFAULT);
+ }
- // return some information back to user space in case we hit an error
- card->config.card_type = card->card_type;
- card->config.ram_size = card->ram_size;
- if (copy_to_user((mga_vid_config_t *) arg, &card->config, sizeof(mga_vid_config_t)))
- {
- printk(KERN_ERR "mga_vid: failed copy to userspace\n");
- return(-EFAULT);
- }
+ if (card->config.version != MGA_VID_VERSION) {
+ printk(KERN_ERR "mga_vid: incompatible version! driver: %X requested: %X\n", MGA_VID_VERSION, card->config.version);
+ return (-EFAULT);
+ }
- if(card->config.version != MGA_VID_VERSION){
- printk(KERN_ERR "mga_vid: incompatible version! driver: %X requested: %X\n",MGA_VID_VERSION,card->config.version);
- return(-EFAULT);
- }
+ if (card->config.frame_size == 0 || card->config.frame_size > 1920 * 1080 * 2) {
+ printk(KERN_ERR "mga_vid: illegal frame_size: %d\n", card->config.frame_size);
+ return (-EFAULT);
+ }
- if(card->config.frame_size==0 || card->config.frame_size>1920*1080*2){
- printk(KERN_ERR "mga_vid: illegal frame_size: %d\n",card->config.frame_size);
- return(-EFAULT);
- }
+ if (card->config.num_frames < 1 || card->config.num_frames > 4) {
+ printk(KERN_ERR "mga_vid: illegal num_frames: %d\n", card->config.num_frames);
+ return (-EFAULT);
+ }
- if(card->config.num_frames<1 || card->config.num_frames>4){
- printk(KERN_ERR "mga_vid: illegal num_frames: %d\n",card->config.num_frames);
- return(-EFAULT);
- }
-
- if( (card->config.src_width > 1024 || card->config.src_height > 1024) && (card->card_type != MGA_G550 && card->config.src_height > 1024) ){
- printk(KERN_ERR "mga_vid: overlay sizes bigger than 1024x1024 are not supported with this card type, rescale the picture in software\n");
+ if ((card->config.src_width > 1024 || card->config.src_height > 1024)
+ && (card->card_type != MGA_G550 && card->config.src_height > 1024)) {
+ printk(KERN_ERR "mga_vid: overlay sizes bigger than 1024x1024 are not supported with this card type, rescale the picture in software\n");
+ return (-EFAULT);
+ }
- return(-EFAULT);
- }
-
- card->src_base = (card->ram_size * 0x100000 - card->config.num_frames * card->config.frame_size - card->top_reserved);
- if(card->src_base<0){
- printk(KERN_ERR "mga_vid: not enough memory for frames!\n");
- return(-EFAULT);
- }
- card->src_base &= (~0xFFFF); // 64k boundary
+ card->src_base = (card->ram_size * 0x100000 - card->config.num_frames * card->config.frame_size - card->top_reserved);
+ if (card->src_base < 0) {
+ printk(KERN_ERR "mga_vid: not enough memory for frames!\n");
+ return (-EFAULT);
+ }
+ card->src_base &= (~0xFFFF); // 64k boundary
#ifdef MP_DEBUG
- printk(KERN_DEBUG "mga YUV buffer base: 0x%X\n", card->src_base);
-#endif
- if (copy_to_user((mga_vid_config_t *) arg, &card->config, sizeof(mga_vid_config_t)))
- {
- printk(KERN_ERR "mga_vid: failed copy to userspace\n");
- return(-EFAULT);
- }
+ printk(KERN_DEBUG "mga YUV buffer base: 0x%X\n", card->src_base);
+#endif
+ if (copy_to_user ((mga_vid_config_t *) arg, &card->config, sizeof(mga_vid_config_t))) {
+ printk(KERN_ERR "mga_vid: failed copy to userspace\n");
+ return (-EFAULT);
+ }
- result = mga_vid_set_config(card);
- if(!result) card->configured=1;
- return result;
+ result = mga_vid_set_config(card);
+ if (!result)
+ card->configured = 1;
+ return result;
break;
- case MGA_VID_ON:
+ case MGA_VID_ON:
#ifdef MP_DEBUG
- printk(KERN_DEBUG "mga_vid: Video ON\n");
-#endif
- card->vid_src_ready = 1;
- if(card->vid_overlay_on)
- {
- card->regs.besctl |= 1;
- mga_vid_write_regs(card, 0);
- }
- card->next_frame=0;
+ printk(KERN_DEBUG "mga_vid: Video ON\n");
+#endif
+ card->vid_src_ready = 1;
+ if (card->vid_overlay_on) {
+ card->regs.besctl |= 1;
+ mga_vid_write_regs(card, 0);
+ }
+ card->next_frame = 0;
break;
- case MGA_VID_OFF:
+ case MGA_VID_OFF:
#ifdef MP_DEBUG
- printk(KERN_DEBUG "mga_vid: Video OFF (ioctl)\n");
-#endif
- card->vid_src_ready = 0;
- card->regs.besctl &= ~1;
- card->regs.besglobctl &= ~(1<<6); // UYVY format selected
- mga_vid_write_regs(card, 0);
+ printk(KERN_DEBUG "mga_vid: Video OFF (ioctl)\n");
+#endif
+ card->vid_src_ready = 0;
+ card->regs.besctl &= ~1;
+ card->regs.besglobctl &= ~(1 << 6); // UYVY format selected
+ mga_vid_write_regs(card, 0);
break;
-
- case MGA_VID_FSEL:
- if(copy_from_user(&frame,(int *) arg,sizeof(int)))
- {
- printk(KERN_ERR "mga_vid: FSEL failed copy from userspace\n");
- return(-EFAULT);
- }
- mga_vid_frame_sel(card, frame);
+ case MGA_VID_FSEL:
+ if (copy_from_user(&frame, (int *)arg, sizeof(int))) {
+ printk(KERN_ERR "mga_vid: FSEL failed copy from userspace\n");
+ return (-EFAULT);
+ }
+
+ mga_vid_frame_sel(card, frame);
break;
- case MGA_VID_GET_LUMA:
- //tmp = card->regs.beslumactl;
- //tmp = (tmp&0xFFFF0000) | (((tmp&0xFFFF) - 0x80)&0xFFFF);
- tmp = (card->brightness << 16) | (card->contrast&0xFFFF);
+ case MGA_VID_GET_LUMA:
+ //tmp = card->regs.beslumactl;
+ //tmp = (tmp&0xFFFF0000) | (((tmp&0xFFFF) - 0x80)&0xFFFF);
+ tmp = (card->brightness << 16) | (card->contrast & 0xFFFF);
- if (copy_to_user((uint32_t *) arg, &tmp, sizeof(uint32_t)))
- {
- printk(KERN_ERR "mga_vid: failed copy %p to userspace %p\n",
- &tmp, (uint32_t *) arg);
- return(-EFAULT);
- }
+ if (copy_to_user((uint32_t *) arg, &tmp, sizeof(uint32_t))) {
+ printk(KERN_ERR "mga_vid: failed copy %p to userspace %p\n", &tmp, (uint32_t *) arg);
+ return (-EFAULT);
+ }
break;
-
- case MGA_VID_SET_LUMA:
- tmp = arg;
- card->brightness=tmp>>16; card->contrast=tmp&0xFFFF;
- //card->regs.beslumactl = (tmp&0xFFFF0000) | ((tmp + 0x80)&0xFFFF);
- card->regs.beslumactl = (card->brightness << 16) | ((card->contrast+0x80)&0xFFFF);
- mga_vid_write_regs(card, 0);
+
+ case MGA_VID_SET_LUMA:
+ tmp = arg;
+ card->brightness = tmp >> 16;
+ card->contrast = tmp & 0xFFFF;
+ //card->regs.beslumactl = (tmp&0xFFFF0000) | ((tmp + 0x80)&0xFFFF);
+ card->regs.beslumactl = (card-> brightness << 16) | ((card->contrast + 0x80) & 0xFFFF);
+ mga_vid_write_regs(card, 0);
break;
-
- default:
- printk(KERN_ERR "mga_vid: Invalid ioctl\n");
- return (-EINVAL);
+
+ default:
+ printk(KERN_ERR "mga_vid: Invalid ioctl\n");
+ return (-EINVAL);
}
-
+
return 0;
}
-static void cards_init(mga_card_t * card, struct pci_dev * dev, int card_number, int card_type);
+static void cards_init(mga_card_t * card, struct pci_dev *dev, int card_number, int card_type);
// returns the number of found cards
static int mga_vid_find_card(void)
{
struct pci_dev *dev = NULL;
char *mga_dev_name;
- mga_card_t * card;
+ mga_card_t *card;
- while((dev = pci_find_device(PCI_VENDOR_ID_MATROX, PCI_ANY_ID, dev)))
- {
+ while ((dev = pci_find_device(PCI_VENDOR_ID_MATROX, PCI_ANY_ID, dev))) {
mga_dev_name = "";
mga_cards_num++;
- if(mga_cards_num == MGA_MAX_CARDS)
- {
- printk(KERN_WARNING "mga_vid: Trying to initialize more than %d cards\n",MGA_MAX_CARDS);
+ if (mga_cards_num == MGA_MAX_CARDS) {
+ printk(KERN_WARNING "mga_vid: Trying to initialize more than %d cards\n", MGA_MAX_CARDS);
mga_cards_num--;
break;
}
card = kzalloc(sizeof(mga_card_t), GFP_KERNEL);
- if(!card)
- {
+ if (!card) {
printk(KERN_ERR "mga_vid: memory allocation failed\n");
mga_cards_num--;
break;
}
-
+
mga_cards[mga_cards_num - 1] = card;
-
- switch(dev->device) {
+
+ switch (dev->device) {
case PCI_DEVICE_ID_MATROX_G550:
mga_dev_name = "MGA G550";
- printk(KERN_INFO "mga_vid: Found %s at %s\n", mga_dev_name, pci_name(dev));
+ printk(KERN_INFO "mga_vid: Found %s at %s\n", mga_dev_name, pci_name(dev));
cards_init(card, dev, mga_cards_num - 1, MGA_G550);
break;
case PCI_DEVICE_ID_MATROX_G400:
@@ -847,105 +829,104 @@ static int mga_vid_find_card(void)
break;
}
}
-
- if(!mga_cards_num)
- {
+
+ if (!mga_cards_num) {
printk(KERN_ERR "mga_vid: No supported cards found\n");
} else {
printk(KERN_INFO "mga_vid: %d supported cards found\n", mga_cards_num);
}
-
+
return mga_cards_num;
}
-static void mga_param_buff_fill( mga_card_t * card )
+static void mga_param_buff_fill(mga_card_t * card)
{
- size_t len;
- size_t size = card->param_buff_size;
- char * buf = card->param_buff;
- len = 0;
- len += snprintf(&buf[len],size-len,"Interface version: %04X\n",MGA_VID_VERSION);
- len += snprintf(&buf[len],size-len,"Memory: %x:%dM\n",card->mem_base,(unsigned int) card->ram_size);
- len += snprintf(&buf[len],size-len,"MMIO: %p\n",card->mmio_base);
- len += snprintf(&buf[len],size-len,"Configurable stuff:\n");
- len += snprintf(&buf[len],size-len,"~~~~~~~~~~~~~~~~~~~\n");
- len += snprintf(&buf[len],size-len,PARAM_BRIGHTNESS"%d\n",card->brightness);
- len += snprintf(&buf[len],size-len,PARAM_CONTRAST"%d\n",card->contrast);
- len += snprintf(&buf[len],size-len,PARAM_BLACKIE"%s\n",card->regs.blackie?"on":"off");
- card->param_buff_len = len;
+ size_t len;
+ size_t size = card->param_buff_size;
+ char *buf = card->param_buff;
+ len = 0;
+ len += snprintf(&buf[len], size - len, "Interface version: %04X\n", MGA_VID_VERSION);
+ len += snprintf(&buf[len], size - len, "Memory: %x:%dM\n", card->mem_base, (unsigned int)card->ram_size);
+ len += snprintf(&buf[len], size - len, "MMIO: %p\n", card->mmio_base);
+ len += snprintf(&buf[len], size - len, "Configurable stuff:\n");
+ len += snprintf(&buf[len], size - len, "~~~~~~~~~~~~~~~~~~~\n");
+ len += snprintf(&buf[len], size - len, PARAM_BRIGHTNESS "%d\n", card->brightness);
+ len += snprintf(&buf[len], size - len, PARAM_CONTRAST "%d\n", card->contrast);
+ len += snprintf(&buf[len], size - len, PARAM_BLACKIE "%s\n", card->regs.blackie ? "on" : "off");
+ card->param_buff_len = len;
}
-
-static ssize_t mga_vid_read(struct file *file, char *buf, size_t count, loff_t *ppos)
+static ssize_t mga_vid_read(struct file *file, char *buf, size_t count, loff_t * ppos)
{
size_t size;
- mga_card_t * card = (mga_card_t *) file->private_data;
-
- if(!card->param_buff) return -ESPIPE;
- if(!(*ppos)) mga_param_buff_fill(card);
- if(*ppos >= card->param_buff_len) return 0;
- size = min(count,card->param_buff_len-(size_t)(*ppos));
- memcpy(buf,card->param_buff,size);
+ mga_card_t *card = (mga_card_t *) file->private_data;
+
+ if (!card->param_buff)
+ return -ESPIPE;
+ if (!(*ppos))
+ mga_param_buff_fill(card);
+ if (*ppos >= card->param_buff_len)
+ return 0;
+ size = min(count, card->param_buff_len - (size_t) (*ppos));
+ memcpy(buf, card->param_buff, size);
*ppos += size;
return size;
}
-static ssize_t mga_vid_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
+static ssize_t mga_vid_write(struct file *file, const char *buf, size_t count, loff_t * ppos)
{
- mga_card_t * card = (mga_card_t *) file->private_data;
+ mga_card_t *card = (mga_card_t *) file->private_data;
- if(memcmp(buf,PARAM_BRIGHTNESS,min(count,strlen(PARAM_BRIGHTNESS))) == 0)
- {
+ if (memcmp(buf, PARAM_BRIGHTNESS, min(count, strlen(PARAM_BRIGHTNESS))) == 0) {
short brightness;
- brightness=simple_strtol(&buf[strlen(PARAM_BRIGHTNESS)],NULL,10);
- if (brightness>127 || brightness<-128) { brightness=0;}
-// printk(KERN_DEBUG "mga_vid: brightness modified ( %d ) \n",brightness);
- card->brightness=brightness;
- } else
- if(memcmp(buf,PARAM_CONTRAST,min(count,strlen(PARAM_CONTRAST))) == 0)
- {
+ brightness = simple_strtol(&buf[strlen(PARAM_BRIGHTNESS)], NULL, 10);
+ if (brightness > 127 || brightness < -128) {
+ brightness = 0;
+ }
+// printk(KERN_DEBUG "mga_vid: brightness modified ( %d ) \n",brightness);
+ card->brightness = brightness;
+ } else
+ if (memcmp(buf, PARAM_CONTRAST, min(count, strlen(PARAM_CONTRAST))) == 0) {
short contrast;
- contrast=simple_strtol(&buf[strlen(PARAM_CONTRAST)],NULL,10);
- if (contrast>127 || contrast<-128) { contrast=0;}
-// printk(KERN_DEBUG "mga_vid: contrast modified ( %d ) \n",contrast);
- card->contrast=contrast;
- } else
-
- if(memcmp(buf,PARAM_BLACKIE,min(count,strlen(PARAM_BLACKIE))) == 0)
- {
+ contrast = simple_strtol(&buf[strlen(PARAM_CONTRAST)], NULL, 10);
+ if (contrast > 127 || contrast < -128) {
+ contrast = 0;
+ }
+// printk(KERN_DEBUG "mga_vid: contrast modified ( %d ) \n",contrast);
+ card->contrast = contrast;
+ } else
+ if (memcmp(buf, PARAM_BLACKIE, min(count, strlen(PARAM_BLACKIE))) == 0) {
short blackie;
- blackie=simple_strtol(&buf[strlen(PARAM_BLACKIE)],NULL,10);
-// printk(KERN_DEBUG "mga_vid: shadow mode: ( %d ) \n",blackie);
- card->regs.blackie=(blackie>0)?1:0;
- } else count = -EIO;
+ blackie = simple_strtol(&buf[strlen(PARAM_BLACKIE)], NULL, 10);
+// printk(KERN_DEBUG "mga_vid: shadow mode: ( %d ) \n",blackie);
+ card->regs.blackie = (blackie > 0) ? 1 : 0;
+ } else
+ count = -EIO;
// TODO: reset settings
return count;
}
static int mga_vid_mmap(struct file *file, struct vm_area_struct *vma)
{
- mga_card_t * card = (mga_card_t *) file->private_data;
+ mga_card_t *card = (mga_card_t *) file->private_data;
#ifdef MP_DEBUG
printk(KERN_DEBUG "mga_vid: mapping video memory into userspace\n");
-#endif
+#endif
- if(!card->configured)
- {
+ if (!card->configured) {
printk(KERN_ERR "mga_vid: card is not configured, cannot mmap\n");
- return(-EAGAIN);
+ return (-EAGAIN);
}
-
//FIXME: should we set VM_IO too ? remap_pfn_range does it for us,
//but this may change in future
- vma->vm_flags |= VM_RESERVED; // don't swap the page out
+ vma->vm_flags |= VM_RESERVED; // don't swap the page out
- if(remap_pfn_range(vma, vma->vm_start,
- (card->mem_base + card->src_base) >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start, vma->vm_page_prot))
- {
+ if (remap_pfn_range(vma, vma->vm_start,
+ (card->mem_base + card->src_base) >> PAGE_SHIFT,
+ vma->vm_end - vma->vm_start, vma->vm_page_prot)) {
printk(KERN_ERR "mga_vid: error mapping video memory\n");
- return(-EAGAIN);
+ return (-EAGAIN);
}
return 0;
@@ -953,19 +934,19 @@ static int mga_vid_mmap(struct file *fil
static int mga_vid_release(struct inode *inode, struct file *file)
{
- mga_card_t * card;
+ mga_card_t *card;
//Close the window just in case
#ifdef MP_DEBUG
printk(KERN_DEBUG "mga_vid: Video OFF (release)\n");
-#endif
+#endif
card = (mga_card_t *) file->private_data;
- card->vid_src_ready = 0;
+ card->vid_src_ready = 0;
card->regs.besctl &= ~1;
- card->regs.besglobctl &= ~(1<<6); // UYVY format selected
-// card->config.colkey_on=0; //!!!
+ card->regs.besglobctl &= ~(1 << 6); // UYVY format selected
+// card->config.colkey_on=0; //!!!
mga_vid_write_regs(card, 1);
card->vid_in_use = 0;
return 0;
@@ -974,42 +955,41 @@ static int mga_vid_release(struct inode
static long long mga_vid_lseek(struct file *file, long long offset, int origin)
{
return -ESPIPE;
-}
+}
static int mga_vid_open(struct inode *inode, struct file *file)
{
- mga_card_t * card;
-
+ mga_card_t *card;
+
int minor = iminor(inode);
// we don't have that many cards
- if(minor >= mga_cards_num)
- return(-ENXIO);
+ if (minor >= mga_cards_num)
+ return (-ENXIO);
file->private_data = mga_cards[minor];
card = (mga_card_t *) file->private_data;
- if(card->vid_in_use == 1)
- return(-EBUSY);
+ if (card->vid_in_use == 1)
+ return (-EBUSY);
card->vid_in_use = 1;
card->configured = 0;
return 0;
}
-static struct file_operations mga_vid_fops =
-{
- llseek: mga_vid_lseek,
- read: mga_vid_read,
- write: mga_vid_write,
- ioctl: mga_vid_ioctl,
- mmap: mga_vid_mmap,
- open: mga_vid_open,
- release: mga_vid_release
+static struct file_operations mga_vid_fops = {
+ llseek:mga_vid_lseek,
+ read:mga_vid_read,
+ write:mga_vid_write,
+ ioctl:mga_vid_ioctl,
+ mmap:mga_vid_mmap,
+ open:mga_vid_open,
+ release:mga_vid_release
};
-static void cards_init(mga_card_t * card, struct pci_dev * dev, int card_number, int card_type)
+static void cards_init(mga_card_t * card, struct pci_dev *dev, int card_number, int card_type)
{
unsigned int card_option;
@@ -1017,69 +997,78 @@ static void cards_init(mga_card_t * card
card->card_type = card_type;
- card->param_buff = kmalloc(PARAM_BUFF_SIZE,GFP_KERNEL);
- if(card->param_buff) card->param_buff_size = PARAM_BUFF_SIZE;
+ card->param_buff = kmalloc(PARAM_BUFF_SIZE, GFP_KERNEL);
+ if (card->param_buff)
+ card->param_buff_size = PARAM_BUFF_SIZE;
card->brightness = mga_brightness[card_number];
card->contrast = mga_contrast[card_number];
card->top_reserved = mga_top_reserved[card_number];
-
- card->mmio_base = ioremap_nocache(dev->resource[1].start,0x4000);
- card->mem_base = dev->resource[0].start;
+
+ card->mmio_base = ioremap_nocache(dev->resource[1].start, 0x4000);
+ card->mem_base = dev->resource[0].start;
printk(KERN_INFO "mga_vid: MMIO at 0x%p framebuffer: 0x%08X\n", card->mmio_base, card->mem_base);
- pci_read_config_dword(dev, 0x40, &card_option);
- printk(KERN_INFO "mga_vid: OPTION word: 0x%08X mem: 0x%02X %s\n", card_option,
- (card_option>>10)&0x17, ((card_option>>14)&1)?"SGRAM":"SDRAM");
+ pci_read_config_dword(dev, 0x40, &card_option);
+ printk(KERN_INFO "mga_vid: OPTION word: 0x%08X mem: 0x%02X %s\n",
+ card_option, (card_option >> 10) & 0x17,
+ ((card_option >> 14) & 1) ? "SGRAM" : "SDRAM");
if (mga_ram_size[card_number]) {
printk(KERN_INFO "mga_vid: RAMSIZE forced to %d MB\n", mga_ram_size[card_number]);
- card->ram_size=mga_ram_size[card_number];
+ card->ram_size = mga_ram_size[card_number];
} else {
#ifdef MGA_MEMORY_SIZE
- card->ram_size = MGA_MEMORY_SIZE;
- printk(KERN_INFO "mga_vid: hard-coded RAMSIZE is %d MB\n", (unsigned int) card->ram_size);
+ card->ram_size = MGA_MEMORY_SIZE;
+ printk(KERN_INFO "mga_vid: hard-coded RAMSIZE is %d MB\n", (unsigned int)card->ram_size);
#else
- if (card->card_type != MGA_G200){
- switch((card_option>>10)&0x17){
- // SDRAM:
- case 0x00:
- case 0x04: card->ram_size = 16; break;
- case 0x03:
- case 0x05: card->ram_size = 32; break;
- // SGRAM:
- case 0x10:
- case 0x14: card->ram_size = 32; break;
- case 0x11:
- case 0x12: card->ram_size = 16; break;
- default:
- card->ram_size = 16;
- printk(KERN_INFO "mga_vid: Couldn't detect RAMSIZE, assuming 16MB!");
- }
- /* Check for buggy 16MB cards reporting 32 MB */
- if(card->ram_size != 16 &&
- (dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM ||
- dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM ||
- dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB))
- {
- printk(KERN_INFO "mga_vid: Detected 16MB card reporting %d MB RAMSIZE, overriding\n", card->ram_size);
- card->ram_size = 16;
+ if (card->card_type != MGA_G200) {
+ switch ((card_option >> 10) & 0x17) {
+ // SDRAM:
+ case 0x00:
+ case 0x04:
+ card->ram_size = 16;
+ break;
+ case 0x03:
+ case 0x05:
+ card->ram_size = 32;
+ break;
+ // SGRAM:
+ case 0x10:
+ case 0x14:
+ card->ram_size = 32;
+ break;
+ case 0x11:
+ case 0x12:
+ card->ram_size = 16;
+ break;
+ default:
+ card->ram_size = 16;
+ printk(KERN_INFO "mga_vid: Couldn't detect RAMSIZE, assuming 16MB!");
+ }
+ /* Check for buggy 16MB cards reporting 32 MB */
+ if (card->ram_size != 16 &&
+ (dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM
+ || dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM
+ || dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB)) {
+ printk(KERN_INFO "mga_vid: Detected 16MB card reporting %d MB RAMSIZE, overriding\n", card->ram_size);
+ card->ram_size = 16;
+ }
+ } else {
+ /*
+ * Don't do any autodetection on G200 cards
+ * and force them to 8MB
+ */
+ card->ram_size = 8;
}
- }else{
- /*
- * Don't do any autodetection on G200 cards
- * and force them to 8MB
- */
- card->ram_size = 8;
- }
- printk(KERN_INFO "mga_vid: detected RAMSIZE is %d MB\n", (unsigned int) card->ram_size);
+ printk(KERN_INFO "mga_vid: detected RAMSIZE is %d MB\n", (unsigned int)card->ram_size);
#endif
- }
+ }
}
/*
@@ -1088,32 +1077,27 @@ static void cards_init(mga_card_t * card
static int mga_vid_initialize(void)
{
- int i;
+ int i;
printk(KERN_INFO "Matrox MGA G200/G400/G450/G550 YUV Video interface v2.01 (c) Aaron Holtzman & A'rpi\n");
-
- if(mga_vid_find_card())
- {
+
+ if (mga_vid_find_card()) {
/* Have the kernel generate a major device number */
- if(major == 0)
- {
- if(!alloc_chrdev_region(&mga_cdev_handle, 0, mga_cards_num, "mga_vid")) {
+ if (major == 0) {
+ if (!alloc_chrdev_region (&mga_cdev_handle, 0, mga_cards_num, "mga_vid")) {
major = MAJOR(mga_cdev_handle);
printk(KERN_INFO "mga_vid: using major: %d (dynamically alocated!)\n", major);
}
- }
- else
- {
- mga_cdev_handle = MKDEV(major,0);
- if(!register_chrdev_region(mga_cdev_handle, mga_cards_num, "mga_vid")) {
+ } else {
+ mga_cdev_handle = MKDEV(major, 0);
+ if (!register_chrdev_region (mga_cdev_handle, mga_cards_num, "mga_vid")) {
mga_vid_major = major;
mga_vid_class = class_create(THIS_MODULE, "mga_vid");
- for(i = 0; i < mga_cards_num; i++)
- {
- class_device_create(mga_vid_class, NULL, MKDEV (mga_vid_major, i), NULL, "mga_vid%d", i);
+ for (i = 0; i < mga_cards_num; i++) {
+ class_device_create(mga_vid_class, NULL, MKDEV(mga_vid_major, i), NULL, "mga_vid%d", i);
}
- printk(KERN_INFO "mga_vid: using major: %d (assigned or default!)\n", major);
+ printk(KERN_INFO "mga_vid: using major: %d (assigned or default!)\n", major);
}
}
/* Allocate a cdev for this character device, and fill in some parameters it needs */
@@ -1123,20 +1107,17 @@ static int mga_vid_initialize(void)
mga_vid_cdev->ops = &mga_vid_fops;
/* Add this character device to the system */
cdev_add(mga_vid_cdev, mga_cdev_handle, mga_cards_num);
- for(i = 0; i < mga_cards_num; i++)
- {
+ for (i = 0; i < mga_cards_num; i++) {
if (mga_ram_size[i]) {
- if (mga_ram_size[i]<4 || mga_ram_size[i]>64) {
+ if (mga_ram_size[i] < 4 || mga_ram_size[i] > 64) {
printk(KERN_ERR "mga_vid: invalid RAMSIZE: %d MB\n", mga_ram_size[i]);
return -EINVAL;
}
}
}
-
+
return 0;
- }
- else
- {
+ } else {
return -EFAULT;
}
}
@@ -1146,25 +1127,22 @@ module_init(mga_vid_initialize);
static void mga_cleanup_module(void)
{
int i;
- mga_card_t * card;
+ mga_card_t *card;
printk(KERN_INFO "mga_vid: Cleaning up module\n");
- for (i = 0; i < MGA_MAX_CARDS; i++)
- {
+ for (i = 0; i < MGA_MAX_CARDS; i++) {
card = mga_cards[i];
- if(card)
- {
- if(card->mmio_base)
+ if (card) {
+ if (card->mmio_base)
iounmap(card->mmio_base);
- if(card->param_buff)
+ if (card->param_buff)
kfree(card->param_buff);
kfree(card);
- mga_cards[i]=NULL;
+ mga_cards[i] = NULL;
}
}
- for(i = 0; i < mga_cards_num; i++)
- {
+ for (i = 0; i < mga_cards_num; i++) {
class_device_destroy(mga_vid_class, MKDEV(mga_vid_major, i));
}
class_destroy(mga_vid_class);
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