diff options
Diffstat (limited to 'contrib/vidix/drivers/genfb_vid.c')
| -rw-r--r-- | contrib/vidix/drivers/genfb_vid.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/contrib/vidix/drivers/genfb_vid.c b/contrib/vidix/drivers/genfb_vid.c new file mode 100644 index 000000000..eaf548438 --- /dev/null +++ b/contrib/vidix/drivers/genfb_vid.c @@ -0,0 +1,177 @@ +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> +#include <inttypes.h> +#include <fcntl.h> + +#include "../vidix.h" +#include "../fourcc.h" +#include "../../libdha/libdha.h" +#include "../../libdha/pci_ids.h" +#include "../../libdha/pci_names.h" + +#define DEMO_DRIVER 1 +#define VIDIX_STATIC genfb_ + +#define GENFB_MSG "[genfb-demo-driver] " + +#if 0 /* these are unused. remove? */ +static int fd; + +static void *mmio_base = 0; +static void *mem_base = 0; +static int32_t overlay_offset = 0; +static uint32_t ram_size = 0; +#endif + +static int probed = 0; + +/* VIDIX exports */ + +static vidix_capability_t genfb_cap = +{ + "General Framebuffer", + "alex", + TYPE_OUTPUT, + { 0, 0, 0, 0 }, + 2048, + 2048, + 4, + 4, + -1, + FLAG_UPSCALER|FLAG_DOWNSCALER, + -1, + -1, + { 0, 0, 0, 0 } +}; + +unsigned int VIDIX_NAME(vixGetVersion)(void) +{ + return(VIDIX_VERSION); +} + +int VIDIX_NAME(vixProbe)(int verbose,int force) +{ +#if 0 + int err = 0; +#ifdef DEMO_DRIVER + err = ENOSYS; +#endif + + printf(GENFB_MSG"probe\n"); + + fd = open("/dev/fb0", O_RDWR); + if (fd < 0) + { + printf(GENFB_MSG"Error occured durint open: %s\n", strerror(errno)); + err = errno; + } + + probed = 1; + + return(err); +#else + pciinfo_t lst[MAX_PCI_DEVICES]; + unsigned i,num_pci; + int err; + err = pci_scan(lst,&num_pci); + if(err) + { + printf(GENFB_MSG"Error occured during pci scan: %s\n",strerror(err)); + return err; + } + else + { + err = ENXIO; + for(i=0;i<num_pci;i++) + { + if(verbose) + printf(GENFB_MSG" Found chip [%04X:%04X] '%s' '%s'\n" + ,lst[i].vendor + ,lst[i].device + ,pci_vendor_name(lst[i].vendor) + ,pci_device_name(lst[i].vendor,lst[i].device)); + } + } + return ENOSYS; +#endif +} + +int VIDIX_NAME(vixInit)(const char *args) +{ + printf(GENFB_MSG"init\n"); + + if (!probed) + { + printf(GENFB_MSG"Driver was not probed but is being initialized\n"); + return(EINTR); + } + + return(0); +} + +void VIDIX_NAME(vixDestroy)(void) +{ + printf(GENFB_MSG"destory\n"); + return; +} + +int VIDIX_NAME(vixGetCapability)(vidix_capability_t *to) +{ + memcpy(to, &genfb_cap, sizeof(vidix_capability_t)); + return(0); +} + +int VIDIX_NAME(vixQueryFourcc)(vidix_fourcc_t *to) +{ + printf(GENFB_MSG"query fourcc (%x)\n", to->fourcc); + + to->depth = VID_DEPTH_1BPP | VID_DEPTH_2BPP | + VID_DEPTH_4BPP | VID_DEPTH_8BPP | + VID_DEPTH_12BPP | VID_DEPTH_15BPP | + VID_DEPTH_16BPP | VID_DEPTH_24BPP | + VID_DEPTH_32BPP; + + to->flags = 0; + return(0); +} + +int VIDIX_NAME(vixConfigPlayback)(vidix_playback_t *info) +{ + printf(GENFB_MSG"config playback\n"); + + info->num_frames = 2; + info->frame_size = info->src.w*info->src.h+(info->src.w*info->src.h)/2; + info->dest.pitch.y = 32; + info->dest.pitch.u = info->dest.pitch.v = 16; + info->offsets[0] = 0; + info->offsets[1] = info->frame_size; + info->offset.y = 0; + info->offset.v = ((info->src.w+31) & ~31) * info->src.h; + info->offset.u = info->offset.v+((info->src.w+31) & ~31) * info->src.h/4; + info->dga_addr = malloc(info->num_frames*info->frame_size); + printf(GENFB_MSG"frame_size: %d, dga_addr: %p\n", + info->frame_size, info->dga_addr); + + return(0); +} + +int VIDIX_NAME(vixPlaybackOn)(void) +{ + printf(GENFB_MSG"playback on\n"); + return(0); +} + +int VIDIX_NAME(vixPlaybackOff)(void) +{ + printf(GENFB_MSG"playback off\n"); + return(0); +} + +int VIDIX_NAME(vixPlaybackFrameSelect)(unsigned int frame) +{ + printf(GENFB_MSG"frameselect: %d\n", frame); + return(0); +} |