diff options
Diffstat (limited to 'linux/drivers/media')
-rw-r--r-- | linux/drivers/media/video/cafe_ccic.c | 66 | ||||
-rw-r--r-- | linux/drivers/media/video/cpia_pp.c | 46 | ||||
-rw-r--r-- | linux/drivers/media/video/ov7670.c | 32 |
3 files changed, 89 insertions, 55 deletions
diff --git a/linux/drivers/media/video/cafe_ccic.c b/linux/drivers/media/video/cafe_ccic.c index b96d45654..ea69590a1 100644 --- a/linux/drivers/media/video/cafe_ccic.c +++ b/linux/drivers/media/video/cafe_ccic.c @@ -38,7 +38,7 @@ #include "cafe_ccic-regs.h" -#define CAFE_VERSION 0x000001 +#define CAFE_VERSION 0x000002 /* @@ -712,7 +712,13 @@ static void cafe_ctlr_init(struct cafe_camera *cam) cafe_reg_write(cam, REG_GL_CSR, GCSR_SRS|GCSR_MRS); /* Needed? */ cafe_reg_write(cam, REG_GL_CSR, GCSR_SRC|GCSR_MRC); cafe_reg_write(cam, REG_GL_CSR, GCSR_SRC|GCSR_MRS); + /* + * Here we must wait a bit for the controller to come around. + */ + spin_unlock_irqrestore(&cam->dev_lock, flags); mdelay(5); /* FIXME revisit this */ + spin_lock_irqsave(&cam->dev_lock, flags); + cafe_reg_write(cam, REG_GL_CSR, GCSR_CCIC_EN|GCSR_SRC|GCSR_MRC); cafe_reg_set_bit(cam, REG_GL_IMASK, GIMSK_CCIC_EN); /* @@ -780,9 +786,9 @@ static void cafe_ctlr_power_up(struct cafe_camera *cam) * Control 1 is power down, set to 0 to operate. */ cafe_reg_write(cam, REG_GPR, GPR_C1EN|GPR_C0EN); /* pwr up, reset */ - mdelay(1); /* Marvell says 1ms will do it */ +// mdelay(1); /* Marvell says 1ms will do it */ cafe_reg_write(cam, REG_GPR, GPR_C1EN|GPR_C0EN|GPR_C0); - mdelay(1); /* Enough? */ +// mdelay(1); /* Enough? */ spin_unlock_irqrestore(&cam->dev_lock, flags); } @@ -1803,18 +1809,19 @@ static void cafe_frame_tasklet(unsigned long data) if (list_empty(&cam->sb_avail)) break; /* Leave it valid, hope for better later */ clear_bit(bufno, &cam->flags); - /* - * We could perhaps drop the spinlock during this - * big copy. Something to consider. - */ sbuf = list_entry(cam->sb_avail.next, struct cafe_sio_buffer, list); + /* + * Drop the lock during the big copy. This *should* be safe... + */ + spin_unlock_irqrestore(&cam->dev_lock, flags); memcpy(sbuf->buffer, cam->dma_bufs[bufno], cam->pix_format.sizeimage); sbuf->v4lbuf.bytesused = cam->pix_format.sizeimage; sbuf->v4lbuf.sequence = cam->buf_seq[bufno]; sbuf->v4lbuf.flags &= ~V4L2_BUF_FLAG_QUEUED; sbuf->v4lbuf.flags |= V4L2_BUF_FLAG_DONE; + spin_lock_irqsave(&cam->dev_lock, flags); list_move_tail(&sbuf->list, &cam->sb_full); } if (! list_empty(&cam->sb_full)) @@ -2118,6 +2125,7 @@ static int cafe_pci_probe(struct pci_dev *pdev, cam->v4ldev = cafe_v4l_template; cam->v4ldev.debug = 0; // cam->v4ldev.debug = V4L2_DEBUG_IOCTL_ARG; + cam->v4ldev.dev = &pdev->dev; ret = video_register_device(&cam->v4ldev, VFL_TYPE_GRABBER, -1); if (ret) goto out_smbus; @@ -2187,10 +2195,48 @@ static void cafe_pci_remove(struct pci_dev *pdev) } +#ifdef CONFIG_PM +/* + * Basic power management. + */ +static int cafe_pci_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct cafe_camera *cam = cafe_find_by_pdev(pdev); + int ret; + + ret = pci_save_state(pdev); + if (ret) + return ret; + cafe_ctlr_stop_dma(cam); + cafe_ctlr_power_down(cam); + pci_disable_device(pdev); + return 0; +} + + +static int cafe_pci_resume(struct pci_dev *pdev) +{ + struct cafe_camera *cam = cafe_find_by_pdev(pdev); + int ret = 0; + + ret = pci_restore_state(pdev); + if (ret) + return ret; + pci_enable_device(pdev); + cafe_ctlr_init(cam); + cafe_ctlr_power_up(cam); + set_bit(CF_CONFIG_NEEDED, &cam->flags); + if (cam->state == S_SPECREAD) + cam->state = S_IDLE; /* Don't bother restarting */ + else if (cam->state == S_SINGLEREAD || cam->state == S_STREAMING) + ret = cafe_read_setup(cam, cam->state); + return ret; +} + +#endif /* CONFIG_PM */ static struct pci_device_id cafe_ids[] = { - { PCI_DEVICE(0x1148, 0x4340) }, /* Temporary ID on devel board */ { PCI_DEVICE(0x11ab, 0x4100) }, /* Eventual real ID */ { PCI_DEVICE(0x11ab, 0x4102) }, /* Really eventual real ID */ { 0, } @@ -2203,6 +2249,10 @@ static struct pci_driver cafe_pci_driver = { .id_table = cafe_ids, .probe = cafe_pci_probe, .remove = cafe_pci_remove, +#ifdef CONFIG_PM + .suspend = cafe_pci_suspend, + .resume = cafe_pci_resume, +#endif }; diff --git a/linux/drivers/media/video/cpia_pp.c b/linux/drivers/media/video/cpia_pp.c index 337675e96..d2c34c156 100644 --- a/linux/drivers/media/video/cpia_pp.c +++ b/linux/drivers/media/video/cpia_pp.c @@ -62,7 +62,6 @@ static int cpia_pp_close(void *privdata); #define PPCPIA_PARPORT_OFF -2 #define PPCPIA_PARPORT_NONE -1 -#ifdef MODULE static int parport_nr[PARPORT_MAX] = {[0 ... PARPORT_MAX - 1] = PPCPIA_PARPORT_UNSPEC}; static char *parport[PARPORT_MAX] = {NULL,}; @@ -72,11 +71,6 @@ MODULE_LICENSE("GPL"); module_param_array(parport, charp, NULL, 0); MODULE_PARM_DESC(parport, "'auto' or a list of parallel port numbers. Just like lp."); -#else -static int parport_nr[PARPORT_MAX] __initdata = - {[0 ... PARPORT_MAX - 1] = PPCPIA_PARPORT_UNSPEC}; -static int parport_ptr = 0; -#endif struct pp_cam_entry { struct pardevice *pdev; @@ -827,7 +821,7 @@ static struct parport_driver cpia_pp_driver = { .detach = cpia_pp_detach, }; -static int cpia_pp_init(void) +static int __init cpia_pp_init(void) { printk(KERN_INFO "%s v%d.%d.%d\n",ABOUT, CPIA_PP_MAJ_VER,CPIA_PP_MIN_VER,CPIA_PP_PATCH_VER); @@ -846,8 +840,7 @@ static int cpia_pp_init(void) return 0; } -#ifdef MODULE -int init_module(void) +static int __init cpia_init(void) { if (parport[0]) { /* The user gave some parameters. Let's see what they were. */ @@ -874,38 +867,11 @@ int init_module(void) return cpia_pp_init(); } -void cleanup_module(void) +static void __exit cpia_cleanup(void) { - parport_unregister_driver (&cpia_pp_driver); + parport_unregister_driver(&cpia_pp_driver); return; } -#else /* !MODULE */ - -static int __init cpia_pp_setup(char *str) -{ - int err; - - if (!strncmp(str, "parport", 7)) { - int n = simple_strtoul(str + 7, NULL, 10); - if (parport_ptr < PARPORT_MAX) { - parport_nr[parport_ptr++] = n; - } else { - LOG("too many ports, %s ignored.\n", str); - } - } else if (!strcmp(str, "auto")) { - parport_nr[0] = PPCPIA_PARPORT_AUTO; - } else if (!strcmp(str, "none")) { - parport_nr[parport_ptr++] = PPCPIA_PARPORT_NONE; - } - - err=cpia_pp_init(); - if (err) - return err; - - return 1; -} - -__setup("cpia_pp=", cpia_pp_setup); - -#endif /* !MODULE */ +module_init(cpia_init); +module_exit(cpia_cleanup); diff --git a/linux/drivers/media/video/ov7670.c b/linux/drivers/media/video/ov7670.c index b033bf334..9ecf35fb1 100644 --- a/linux/drivers/media/video/ov7670.c +++ b/linux/drivers/media/video/ov7670.c @@ -164,6 +164,10 @@ MODULE_LICENSE("GPL"); #define REG_GFIX 0x69 /* Fix gain control */ +#define REG_REG76 0x76 /* OV's name */ +#define R76_BLKPCOR 0x80 /* Black pixel correction enable */ +#define R76_WHTPCOR 0x40 /* White pixel correction enable */ + #define REG_RGB444 0x8c /* RGB 444 control */ #define R444_ENABLE 0x02 /* Turn on RGB444, overrides 5x5 */ #define R444_RGBX 0x01 /* Empty nibble at end */ @@ -257,7 +261,7 @@ static struct regval_list ov7670_default_regs[] = { /* Almost all of these are magic "reserved" values. */ { REG_COM5, 0x61 }, { REG_COM6, 0x4b }, - { 0x16, 0x02 }, { REG_MVFP, 0x07|MVFP_MIRROR }, + { 0x16, 0x02 }, { REG_MVFP, 0x07 }, { 0x21, 0x02 }, { 0x22, 0x91 }, { 0x29, 0x07 }, { 0x33, 0x0b }, { 0x35, 0x0b }, { 0x37, 0x1d }, @@ -382,6 +386,13 @@ static struct regval_list ov7670_fmt_rgb444[] = { { 0xff, 0xff }, }; +static struct regval_list ov7670_fmt_raw[] = { + { REG_COM7, COM7_BAYER }, + { REG_COM13, 0x08 }, /* No gamma, magic rsvd bit */ + { REG_COM16, 0x3d }, /* Edge enhancement, denoise */ + { REG_REG76, 0xe1 }, /* Pix correction, magic rsvd */ + { 0xff, 0xff }, +}; @@ -506,32 +517,39 @@ static struct ov7670_format_struct { __u32 pixelformat; struct regval_list *regs; int cmatrix[CMATRIX_LEN]; + int bpp; /* Bytes per pixel */ } ov7670_formats[] = { { .desc = "YUYV 4:2:2", .pixelformat = V4L2_PIX_FMT_YUYV, .regs = ov7670_fmt_yuv422, .cmatrix = { 128, -128, 0, -34, -94, 128 }, + .bpp = 2, }, { .desc = "RGB 444", .pixelformat = V4L2_PIX_FMT_RGB444, .regs = ov7670_fmt_rgb444, .cmatrix = { 179, -179, 0, -61, -176, 228 }, + .bpp = 2, }, { .desc = "RGB 565", .pixelformat = V4L2_PIX_FMT_RGB565, .regs = ov7670_fmt_rgb565, .cmatrix = { 179, -179, 0, -61, -176, 228 }, + .bpp = 2, + }, + { + .desc = "Raw RGB Bayer", + .pixelformat = V4L2_PIX_FMT_SBGGR8, + .regs = ov7670_fmt_raw, + .cmatrix = { 0, 0, 0, 0, 0, 0 }, + .bpp = 1 }, }; -#define N_OV7670_FMTS (sizeof(ov7670_formats)/sizeof(ov7670_formats[0])) +#define N_OV7670_FMTS ARRAY_SIZE(ov7670_formats) -/* - * All formats we support are 2 bytes/pixel. - */ -#define BYTES_PER_PIXEL 2 /* * Then there is the issue of window sizes. Try to capture the info here. @@ -708,7 +726,7 @@ static int ov7670_try_fmt(struct i2c_client *c, struct v4l2_format *fmt, */ pix->width = wsize->width; pix->height = wsize->height; - pix->bytesperline = pix->width*BYTES_PER_PIXEL; + pix->bytesperline = pix->width*ov7670_formats[index].bpp; pix->sizeimage = pix->height*pix->bytesperline; return 0; } |