diff options
author | Ulf Carlsson <md1ulfc@mdstud.chalmers.se> | 1999-02-08 18:29:31 +0000 |
---|---|---|
committer | Ulf Carlsson <md1ulfc@mdstud.chalmers.se> | 1999-02-08 18:29:31 +0000 |
commit | 145dd02fc9968ebd65307baf0653dc9341dd6bb2 (patch) | |
tree | 54a95ffbd2b1d2ba1b34475cfd9a75c1fa6eb932 /drivers | |
parent | 91885fc94effad73511f11875254da8192042941 (diff) |
o Added a VINO driver, well it tries to read the revision register at least. I use some special code when I write to those 64 bit registers.
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/Config.in | 3 | ||||
-rw-r--r-- | drivers/char/Makefile | 8 | ||||
-rw-r--r-- | drivers/char/vino.c | 247 | ||||
-rw-r--r-- | drivers/char/vino.h | 118 | ||||
-rw-r--r-- | drivers/sgi/audio/hal2.c | 9 |
5 files changed, 381 insertions, 4 deletions
diff --git a/drivers/char/Config.in b/drivers/char/Config.in index 16a24938e..89da63706 100644 --- a/drivers/char/Config.in +++ b/drivers/char/Config.in @@ -112,6 +112,9 @@ if [ "$CONFIG_VIDEO_DEV" != "n" ]; then dep_tristate 'Quickcam BW Video For Linux' CONFIG_VIDEO_BWQCAM $CONFIG_VIDEO_DEV dep_tristate 'Colour QuickCam Video For Linux (EXPERIMENTAL)' CONFIG_VIDEO_CQCAM $CONFIG_VIDEO_DEV fi + if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then + dep_tristate 'SGI Vino Video For Linux (EXPERIMENTAL)' CONFIG_VIDEO_VINO $CONFIG_VIDEO_DEV + fi dep_tristate 'Mediavision Pro Movie Studio Video For Linux' CONFIG_VIDEO_PMS $CONFIG_VIDEO_DEV dep_tristate 'SAA5249 Teletext processor' CONFIG_VIDEO_SAA5249 $CONFIG_VIDEO_DEV dep_tristate 'SF16FMI Radio' CONFIG_RADIO_SF16FMI $CONFIG_VIDEO_DEV diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 5796396fe..af9983701 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -328,6 +328,14 @@ else endif endif +ifeq ($(CONFIG_VIDEO_VINO),y) +L_OBJS += vino.o +else + ifeq ($(CONFIG_VIDEO_VINO),m) + M_OBJS += vino.o + endif +endif + ifeq ($(CONFIG_RADIO_AZTECH),y) L_OBJS += radio-aztech.o else diff --git a/drivers/char/vino.c b/drivers/char/vino.c new file mode 100644 index 000000000..bf99a65e2 --- /dev/null +++ b/drivers/char/vino.c @@ -0,0 +1,247 @@ +/* $Id$ + * drivers/char/vino.c + * + * (incomplete) Driver for the Vino Video input system found in SGI Indys. + * + * Copyright (C) 1999 Ulf Carlsson (ulfc@bun.falkenberg.se) + * + * This isn't complete yet, please don't expect any video until I've written + * some more code. + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/mm.h> +#include <linux/errno.h> +#include <linux/videodev.h> + +#include <asm/addrspace.h> +#include <asm/system.h> + +#include "vino.h" + +struct vino_device { + struct video_device vdev; + + unsigned long chan; +#define VINO_CHAN_A 0 +#define VINO_CHAN_B 1 + + unsigned long flags; +#define VINO_DMA_ACTIVE (1<<0) +}; + +/* We can actually receive TV and IndyCam input at the same time. Believe it or + * not.. + */ +static struct vino_device vino[2]; + +/* Those registers have to be accessed by either *one* 64 bit write or *one* 64 + * bit read. We need some asm to fix this. We can't use mips3 as standard + * because we just save 32 bits at context switch. + */ + +static __inline__ unsigned long long vino_reg_read(unsigned long addr) +{ + unsigned long long ret; + unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE); + unsigned long flags; + + save_and_cli(flags); + __asm__ __volatile__( + ".set\tmips3\n\t" + ".set\tnoat\n\t" + "ld\t$1,(%0)\n\t" + "sd\t$1,(%1)\n\t" + ".set\tat\n\t" + ".set\tmips0" + : + :"r" (virt_addr), + "r" (&ret) + :"$1"); + restore_flags(flags); + + return ret; +} + +static __inline__ void vino_reg_write(unsigned long long value, + unsigned long addr) +{ + unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE); + unsigned long flags; + + /* we might lose the upper parts of the registers which are not saved + * if there comes an interrupt in our way, play safe */ + + save_and_cli(flags); + __asm__ __volatile__( + ".set\tmips3\n\t" + ".set\tnoat\n\t" + "ld\t$1,(%0)\n\t" + "sd\t$1,(%1)\n\t" + ".set\tat\n\t" + ".set\tmips0" + : + :"r" (&value), + "r" (virt_addr) + :"$1"); + restore_flags(flags); +} + +static __inline__ void vino_reg_and(unsigned long long value, + unsigned long addr) +{ + unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE); + unsigned long flags; + + save_and_cli(flags); + __asm__ __volatile__( + ".set\tmips3\n\t" + ".set\tnoat\n\t" + "ld\t$1,(%0)\n\t" + "ld\t$2,(%1)\n\t" + "and\t$1,$1,$2\n\t" + "sd\t$1,(%0)\n\t" + ".set\tat\n\t" + ".set\tmips0" + : + :"r" (virt_addr), + "r" (&value) + :"$1","$2"); + restore_flags(flags); +} + +static __inline__ void vino_reg_or(unsigned long long value, + unsigned long addr) +{ + unsigned long virt_addr = KSEG1ADDR(addr + VINO_BASE); + unsigned long flags; + + save_and_cli(flags); + __asm__ __volatile__( + ".set\tmips3\n\t" + ".set\tnoat\n\t" + "ld\t$1,(%0)\n\t" + "ld\t$2,(%1)\n\t" + "or\t$1,$1,$2\n\t" + "sd\t$1,(%0)\n\t" + ".set\tat\n\t" + ".set\tmips0" + : + :"r" (virt_addr), + "r" (&value) + :"$1","$2"); + restore_flags(flags); +} + +static int vino_dma_setup(void) +{ + return 0; +} + +static void vino_dma_stop(void) +{ + +} + +static int vino_init(void) +{ + unsigned long ret; + unsigned short rev, id; + + ret = vino_reg_read(VINO_REVID); + + rev = (ret & VINO_REVID_REV_MASK); + id = (ret & VINO_REVID_ID_MASK) >> 4; + + printk("Vino: ID:%02hx Rev:%02hx\n", id, rev); + + return 0; +} + +static void vino_dma_go(struct vino_device *v) +{ + +} + +/* Reset the vino back to default state */ + +static void vino_setup(struct vino_device *v) +{ + +} + +static int vino_open(struct video_device *dev, int flags) +{ + MOD_INC_USE_COUNT; + return 0; +} + +static void vino_close(struct video_device *dev) +{ + MOD_DEC_USE_COUNT; +} + +static int vino_ioctl(struct video_device *dev, unsigned int cmd, void *arg) +{ + return 0; +} + +static int vino_mmap(struct video_device *dev, const char *adr, + unsigned long size) +{ + return 0; +} + +static struct video_device vino_dev = { + "Vino IndyCam/TV", + VID_TYPE_CAPTURE, + VID_HARDWARE_VINO, + vino_open, + vino_close, + NULL, /* vino_read */ + NULL, /* vino_write */ + NULL, /* vino_poll */ + vino_ioctl, + vino_mmap, + NULL, /* vino_init */ + NULL, + 0, + 0 +}; + +__initfunc(int init_vino(struct video_device *dev)) +{ + int err; + + err = vino_init(); + if (err) + return err; + +#if 0 + if (video_register_device(&vinodev, VFL_TYPE_GRABBER) == -1) { + return -ENODEV; + } +#endif + + return 0; +} + +#ifdef MODULE +int init_module(void) +{ + int err; + + err = vino_init(); + if (err) + return err; + + return 0; +} + +void cleanup_module(void) +{ +} +#endif diff --git a/drivers/char/vino.h b/drivers/char/vino.h new file mode 100644 index 000000000..aa7928cc2 --- /dev/null +++ b/drivers/char/vino.h @@ -0,0 +1,118 @@ +/* $Id$ + * drivers/sgi/vino.h + * + * Copyright (C) 1999 Ulf Carlsson (ulfc@bun.falkenberg.se) + */ + +#define VINO_BASE 0x0008000 + +#define VINO_REVID 0x0000 +#define VINO_CTRL 0x0008 +#define VINO_INTSTAT 0x0010 /* Interrupt status */ +#define VINO_I2C_CTRL 0x0018 +#define VINO_I2C_DATA 0x0020 +#define VINO_A_ALPHA 0x0028 /* Channel A ... */ +#define VINO_A_CLIPS 0x0030 /* Clipping start */ +#define VINO_A_CLIPE 0x0038 /* Clipping end */ +#define VINO_A_FRAMERT 0x0040 /* Framerate */ +#define VINO_A_FLDCNT 0x0048 /* Field counter */ +#define VINO_A_LNSZ 0x0050 +#define VINO_A_LNCNT 0x0058 +#define VINO_A_PGIX 0x0060 /* Page index */ +#define VINO_A_DESC_PTR 0x0068 /* Ptr to next four descriptors */ +#define VINO_A_DESC_TLB_PTR 0x0070 /* Ptr to start of descriptor table */ +#define VINO_A_DESC_DATA0 0x0078 /* Descriptor data 0 */ +#define VINO_A_DESC_DATA1 0x0080 /* ... */ +#define VINO_A_DESC_DATA2 0x0088 +#define VINO_A_DESC_DATE3 0x0090 +#define VINO_A_FIFO_THRESHOLD 0x0098 /* FIFO threshold */ +#define VINO_A_FIFO_RP 0x00a0 +#define VINO_A_FIFO_WP 0x00a8 +#define VINO_B_ALPHA 0x00b0 /* Channel B ... */ +#define VINO_B_CLIPS 0x00b8 +#define VINO_B_CLIPE 0x00c0 +#define VINO_B_FRAMERT 0x00c8 +#define VINO_B_FLDCNT 0x00d0 +#define VINO_B_LNSZ 0x00d8 +#define VINO_B_LNCNT 0x00e0 +#define VINO_B_PGIX 0x00e8 +#define VINO_B_DESC_PTR 0x00f0 +#define VINO_B_DESC_TLB_PTR 0x00f8 +#define VINO_B_DESC_DATA0 0x0100 +#define VINO_B_DESC_DATA1 0x0108 +#define VINO_B_DESC_DATA2 0x0110 +#define VINO_B_DESC_DATE3 0x0118 +#define VINO_B_FIFO_THRESHOLD 0x0120 +#define VINO_B_FIFO_RP 0x0128 +#define VINO_B_FIFO_WP 0x0130 + +/* Bits in the VINO_REVID register */ + +#define VINO_REVID_REV_MASK 0x000f /* bits 0:3 */ +#define VINO_REVID_ID_MASK 0x00f0 /* bits 4:7 */ + +/* Bits in the VINO_CTRL register */ + +#define VINO_CTRL_LITTLE_ENDIAN (1<<0) +#define VINO_CTRL_A_FIELD_TRANS_INT (1<<1) /* Field transferred int */ +#define VINO_CTRL_A_FIFO_OF_INT (1<<2) /* FIFO overflow int */ +#define VINO_CTRL_A_END_DESC_TBL_INT (1<<3) /* End of desc table int */ +#define VINO_CTRL_B_FIELD_TRANS_INT (1<<4) /* Field transferred int */ +#define VINO_CTRL_B_FIFO_OF_INT (1<<5) /* FIFO overflow int */ +#define VINO_CTRL_B_END_DESC_TLB_INT (1<<6) /* End of desc table int */ +#define VINO_CTRL_A_DMA_ENBL (1<<7) +#define VINO_CTRL_A_INTERLEAVE_ENBL (1<<8) +#define VINO_CTRL_A_SYNC_ENBL (1<<9) +#define VINO_CTRL_A_SELECT (1<<10) /* 1=D1 0=Philips */ +#define VINO_CTRL_A_RGB (1<<11) /* 1=RGB 0=YUV */ +#define VINO_CTRL_A_LUMA_ONLY (1<<12) +#define VINO_CTRL_A_DEC_ENBL (1<<13) /* Decimation */ +#define VINO_CTRL_A_DEC_SCALE_MASK 0x1c000 /* bits 14:17 */ +#define VINO_CTRL_A_DEC_HOR_ONLY (1<<17) /* Horizontal only */ +#define VINO_CTRL_A_DITHER (1<<18) /* 24 -> 8 bit dither */ +#define VINO_CTRL_B_DMA_ENBL (1<<19) +#define VINO_CTRL_B_INTERLEAVE_ENBL (1<<20) +#define VINO_CTRL_B_SYNC_ENBL (1<<21) +#define VINO_CTRL_B_SELECT (1<<22) /* 1=D1 0=Philips */ +#define VINO_CTRL_B_RGB (1<<22) /* 1=RGB 0=YUV */ +#define VINO_CTRL_B_LUMA_ONLY (1<<23) +#define VINO_CTRL_B_DEC_ENBL (1<<24) /* Decimation */ +#define VINO_CTRL_B_DEC_SCALE_MASK 0x1c000000 /* bits 25:28 */ +#define VINO_CTRL_B_DEC_HOR_ONLY (1<<29) /* Decimation horizontal only */ +#define VINO_CTRL_B_DITHER (1<<30) /* ChanB 24 -> 8 bit dither */ + +/* Bits in the Interrupt and Status register */ + +#define VINO_INTSTAT_A_FIELD_TRANS (1<<0) /* Field transferred int */ +#define VINO_INTSTAT_A_FIFO_OF (1<<1) /* FIFO overflow int */ +#define VINO_INTSTAT_A_END_DESC_TBL (1<<2) /* End of desc table int */ +#define VINO_INTSTAT_B_FIELD_TRANS (1<<3) /* Field transferred int */ +#define VINO_INTSTAT_B_FIFO_OF (1<<4) /* FIFO overflow int */ +#define VINO_INTSTAT_B_END_DESC_TBL (1<<5) /* End of desc table int */ + +/* Bits in the Clipping Start register */ + +#define VINO_CLIPS_START 0x3ff /* bits 0:9 */ +#define VINO_CLIPS_ODD_MASK 0x7fc00 /* bits 10:18 */ +#define VINO_CLIPS_EVEN_MASK 0xff80000 /* bits 19:27 */ + +/* Bits in the Clipping End register */ + +#define VINO_CLIPE_END 0x3ff /* bits 0:9 */ +#define VINO_CLIPE_ODD_MASK 0x7fc00 /* bits 10:18 */ +#define VINO_CLIPE_EVEN_MASK 0xff80000 /* bits 19:27 */ + +/* Bits in the Frame Rate register */ + +#define VINO_FRAMERT_PAL (1<<0) /* 0=NTSC 1=PAL */ +#define VINO_FRAMERT_RT_MASK 0x1ffe /* bits 1:12 */ + +/* Bits in the VINO_I2C_CTRL */ + +#define VINO_CTRL_I2C_IDLE (1<<0) /* write: 0=force idle + * read: 0=idle 1=not idle */ +#define VINO_CTRL_I2C_DIR (1<<1) /* 0=read 1=write */ +#define VINO_CTRL_I2C_MORE_BYTES (1<<2) /* 0=last byte 1=more bytes */ +#define VINO_CTRL_I2C_TRANS_BUSY (1<<4) /* 0=trans done 1=trans busy */ +#define VINO_CTRL_I2C_ACK (1<<5) /* 0=ack received 1=ack not */ +#define VINO_CTRL_I2C_BUS_ERROR (1<<7) /* 0=no bus err 1=bus err */ diff --git a/drivers/sgi/audio/hal2.c b/drivers/sgi/audio/hal2.c index 11c905759..8a61dab50 100644 --- a/drivers/sgi/audio/hal2.c +++ b/drivers/sgi/audio/hal2.c @@ -1,4 +1,4 @@ -/* $Id: hal2.c,v 1.11 1999/02/03 23:25:31 tsbogend Exp $ +/* $Id: hal2.c,v 1.13 1999/02/07 22:18:37 ulfc Exp $ * * drivers/sgi/audio/hal2.c * @@ -101,6 +101,7 @@ struct sgiaudio_chan_ops { void (*start) (struct sgiaudio *); void (*stop) (struct sgiaudio *); void (*free) (struct sgiaudio *); + void *priv; }; #if 0 @@ -198,7 +199,7 @@ static void hal2_reset(void) } /* enable/disable a specific PBUS dma channel */ -__inline__ void sgipbus_enable(unsigned int channel, unsigned long desc) +static __inline__ void sgipbus_enable(unsigned int channel, unsigned long desc) { struct hpc3_pbus_dmacregs *pbus = &hpc3c0->pbdma0; @@ -206,14 +207,14 @@ __inline__ void sgipbus_enable(unsigned int channel, unsigned long desc) pbus[channel].pbdma_ctrl |= HPC3_PDMACTRL_ACT; } -__inline__ void sgipbus_disable(unsigned int channel) +static __inline__ void sgipbus_disable(unsigned int channel) { struct hpc3_pbus_dmacregs *pbus = &hpc3c0->pbdma0; pbus[channel].pbdma_ctrl &= ~HPC3_PDMACTRL_ACT; } -__inline__ int sgipbus_interrupted(unsigned int channel) +static __inline__ int sgipbus_interrupted(unsigned int channel) { struct hpc3_pbus_dmacregs *pbus = &hpc3c0->pbdma0; |