diff options
Diffstat (limited to 'drivers/media/video/omap')
| -rw-r--r-- | drivers/media/video/omap/omap_vout.c | 117 | ||||
| -rw-r--r-- | drivers/media/video/omap/omap_voutdef.h | 62 | ||||
| -rw-r--r-- | drivers/media/video/omap/omap_voutlib.c | 46 | ||||
| -rw-r--r-- | drivers/media/video/omap/omap_voutlib.h | 12 |
4 files changed, 119 insertions, 118 deletions
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c index cb70ff139d8f..131aff634580 100644 --- a/drivers/media/video/omap/omap_vout.c +++ b/drivers/media/video/omap/omap_vout.c @@ -35,17 +35,14 @@ #include <linux/sched.h> #include <linux/types.h> #include <linux/platform_device.h> -#include <linux/dma-mapping.h> #include <linux/irq.h> #include <linux/videodev2.h> -#include <linux/slab.h> #include <media/videobuf-dma-contig.h> #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> #include <plat/dma.h> -#include <plat/vram.h> #include <plat/vrfb.h> #include <video/omapdss.h> @@ -56,7 +53,6 @@ MODULE_AUTHOR("Texas Instruments"); MODULE_DESCRIPTION("OMAP Video for Linux Video out driver"); MODULE_LICENSE("GPL"); - /* Driver Configuration macros */ #define VOUT_NAME "omap_vout" @@ -65,31 +61,6 @@ enum omap_vout_channels { OMAP_VIDEO2, }; -enum dma_channel_state { - DMA_CHAN_NOT_ALLOTED, - DMA_CHAN_ALLOTED, -}; - -#define QQVGA_WIDTH 160 -#define QQVGA_HEIGHT 120 - -/* Max Resolution supported by the driver */ -#define VID_MAX_WIDTH 1280 /* Largest width */ -#define VID_MAX_HEIGHT 720 /* Largest height */ - -/* Mimimum requirement is 2x2 for DSS */ -#define VID_MIN_WIDTH 2 -#define VID_MIN_HEIGHT 2 - -/* 2048 x 2048 is max res supported by OMAP display controller */ -#define MAX_PIXELS_PER_LINE 2048 - -#define VRFB_TX_TIMEOUT 1000 -#define VRFB_NUM_BUFS 4 - -/* Max buffer size tobe allocated during init */ -#define OMAP_VOUT_MAX_BUF_SIZE (VID_MAX_WIDTH*VID_MAX_HEIGHT*4) - static struct videobuf_queue_ops video_vbq_ops; /* Variables configurable through module params*/ static u32 video1_numbuffers = 3; @@ -172,49 +143,6 @@ static const struct v4l2_fmtdesc omap_formats[] = { #define NUM_OUTPUT_FORMATS (ARRAY_SIZE(omap_formats)) /* - * Allocate buffers - */ -static unsigned long omap_vout_alloc_buffer(u32 buf_size, u32 *phys_addr) -{ - u32 order, size; - unsigned long virt_addr, addr; - - size = PAGE_ALIGN(buf_size); - order = get_order(size); - virt_addr = __get_free_pages(GFP_KERNEL, order); - addr = virt_addr; - - if (virt_addr) { - while (size > 0) { - SetPageReserved(virt_to_page(addr)); - addr += PAGE_SIZE; - size -= PAGE_SIZE; - } - } - *phys_addr = (u32) virt_to_phys((void *) virt_addr); - return virt_addr; -} - -/* - * Free buffers - */ -static void omap_vout_free_buffer(unsigned long virtaddr, u32 buf_size) -{ - u32 order, size; - unsigned long addr = virtaddr; - - size = PAGE_ALIGN(buf_size); - order = get_order(size); - - while (size > 0) { - ClearPageReserved(virt_to_page(addr)); - addr += PAGE_SIZE; - size -= PAGE_SIZE; - } - free_pages((unsigned long) virtaddr, order); -} - -/* * Function for allocating video buffers */ static int omap_vout_allocate_vrfb_buffers(struct omap_vout_device *vout, @@ -369,43 +297,6 @@ static void omap_vout_release_vrfb(struct omap_vout_device *vout) } /* - * Return true if rotation is 90 or 270 - */ -static inline int rotate_90_or_270(const struct omap_vout_device *vout) -{ - return (vout->rotation == dss_rotation_90_degree || - vout->rotation == dss_rotation_270_degree); -} - -/* - * Return true if rotation is enabled - */ -static inline int rotation_enabled(const struct omap_vout_device *vout) -{ - return vout->rotation || vout->mirror; -} - -/* - * Reverse the rotation degree if mirroring is enabled - */ -static inline int calc_rotation(const struct omap_vout_device *vout) -{ - if (!vout->mirror) - return vout->rotation; - - switch (vout->rotation) { - case dss_rotation_90_degree: - return dss_rotation_270_degree; - case dss_rotation_270_degree: - return dss_rotation_90_degree; - case dss_rotation_180_degree: - return dss_rotation_0_degree; - default: - return dss_rotation_180_degree; - } -} - -/* * Free the V4L2 buffers */ static void omap_vout_free_buffers(struct omap_vout_device *vout) @@ -664,7 +555,7 @@ static int video_mode_to_dss_mode(struct omap_vout_device *vout) /* * Setup the overlay */ -int omapvid_setup_overlay(struct omap_vout_device *vout, +static int omapvid_setup_overlay(struct omap_vout_device *vout, struct omap_overlay *ovl, int posx, int posy, int outw, int outh, u32 addr) { @@ -744,7 +635,7 @@ setup_ovl_err: /* * Initialize the overlay structure */ -int omapvid_init(struct omap_vout_device *vout, u32 addr) +static int omapvid_init(struct omap_vout_device *vout, u32 addr) { int ret = 0, i; struct v4l2_window *win; @@ -809,7 +700,7 @@ omapvid_init_err: /* * Apply the changes set the go bit of DSS */ -int omapvid_apply_changes(struct omap_vout_device *vout) +static int omapvid_apply_changes(struct omap_vout_device *vout) { int i; struct omap_overlay *ovl; @@ -825,7 +716,7 @@ int omapvid_apply_changes(struct omap_vout_device *vout) return 0; } -void omap_vout_isr(void *arg, unsigned int irqstatus) +static void omap_vout_isr(void *arg, unsigned int irqstatus) { int ret; u32 addr, fid; diff --git a/drivers/media/video/omap/omap_voutdef.h b/drivers/media/video/omap/omap_voutdef.h index 659497b84996..31e6261b2c49 100644 --- a/drivers/media/video/omap/omap_voutdef.h +++ b/drivers/media/video/omap/omap_voutdef.h @@ -27,6 +27,31 @@ #define MAX_DISPLAYS 3 #define MAX_MANAGERS 3 +#define QQVGA_WIDTH 160 +#define QQVGA_HEIGHT 120 + +/* Max Resolution supported by the driver */ +#define VID_MAX_WIDTH 1280 /* Largest width */ +#define VID_MAX_HEIGHT 720 /* Largest height */ + +/* Mimimum requirement is 2x2 for DSS */ +#define VID_MIN_WIDTH 2 +#define VID_MIN_HEIGHT 2 + +/* 2048 x 2048 is max res supported by OMAP display controller */ +#define MAX_PIXELS_PER_LINE 2048 + +#define VRFB_TX_TIMEOUT 1000 +#define VRFB_NUM_BUFS 4 + +/* Max buffer size tobe allocated during init */ +#define OMAP_VOUT_MAX_BUF_SIZE (VID_MAX_WIDTH*VID_MAX_HEIGHT*4) + +enum dma_channel_state { + DMA_CHAN_NOT_ALLOTED, + DMA_CHAN_ALLOTED, +}; + /* Enum for Rotation * DSS understands rotation in 0, 1, 2, 3 context * while V4L2 driver understands it as 0, 90, 180, 270 @@ -144,4 +169,41 @@ struct omap_vout_device { int io_allowed; }; + +/* + * Return true if rotation is 90 or 270 + */ +static inline int rotate_90_or_270(const struct omap_vout_device *vout) +{ + return (vout->rotation == dss_rotation_90_degree || + vout->rotation == dss_rotation_270_degree); +} + +/* + * Return true if rotation is enabled + */ +static inline int rotation_enabled(const struct omap_vout_device *vout) +{ + return vout->rotation || vout->mirror; +} + +/* + * Reverse the rotation degree if mirroring is enabled + */ +static inline int calc_rotation(const struct omap_vout_device *vout) +{ + if (!vout->mirror) + return vout->rotation; + + switch (vout->rotation) { + case dss_rotation_90_degree: + return dss_rotation_270_degree; + case dss_rotation_270_degree: + return dss_rotation_90_degree; + case dss_rotation_180_degree: + return dss_rotation_0_degree; + default: + return dss_rotation_180_degree; + } +} #endif /* ifndef OMAP_VOUTDEF_H */ diff --git a/drivers/media/video/omap/omap_voutlib.c b/drivers/media/video/omap/omap_voutlib.c index 8ae74817a110..115408b9274f 100644 --- a/drivers/media/video/omap/omap_voutlib.c +++ b/drivers/media/video/omap/omap_voutlib.c @@ -24,8 +24,12 @@ #include <linux/types.h> #include <linux/videodev2.h> +#include <linux/dma-mapping.h> + #include <plat/cpu.h> +#include "omap_voutlib.h" + MODULE_AUTHOR("Texas Instruments"); MODULE_DESCRIPTION("OMAP Video library"); MODULE_LICENSE("GPL"); @@ -291,3 +295,45 @@ void omap_vout_new_format(struct v4l2_pix_format *pix, } EXPORT_SYMBOL_GPL(omap_vout_new_format); +/* + * Allocate buffers + */ +unsigned long omap_vout_alloc_buffer(u32 buf_size, u32 *phys_addr) +{ + u32 order, size; + unsigned long virt_addr, addr; + + size = PAGE_ALIGN(buf_size); + order = get_order(size); + virt_addr = __get_free_pages(GFP_KERNEL, order); + addr = virt_addr; + + if (virt_addr) { + while (size > 0) { + SetPageReserved(virt_to_page(addr)); + addr += PAGE_SIZE; + size -= PAGE_SIZE; + } + } + *phys_addr = (u32) virt_to_phys((void *) virt_addr); + return virt_addr; +} + +/* + * Free buffers + */ +void omap_vout_free_buffer(unsigned long virtaddr, u32 buf_size) +{ + u32 order, size; + unsigned long addr = virtaddr; + + size = PAGE_ALIGN(buf_size); + order = get_order(size); + + while (size > 0) { + ClearPageReserved(virt_to_page(addr)); + addr += PAGE_SIZE; + size -= PAGE_SIZE; + } + free_pages((unsigned long) virtaddr, order); +} diff --git a/drivers/media/video/omap/omap_voutlib.h b/drivers/media/video/omap/omap_voutlib.h index a60b16e8bfc3..e51750a597e3 100644 --- a/drivers/media/video/omap/omap_voutlib.h +++ b/drivers/media/video/omap/omap_voutlib.h @@ -12,23 +12,25 @@ #ifndef OMAP_VOUTLIB_H #define OMAP_VOUTLIB_H -extern void omap_vout_default_crop(struct v4l2_pix_format *pix, +void omap_vout_default_crop(struct v4l2_pix_format *pix, struct v4l2_framebuffer *fbuf, struct v4l2_rect *crop); -extern int omap_vout_new_crop(struct v4l2_pix_format *pix, +int omap_vout_new_crop(struct v4l2_pix_format *pix, struct v4l2_rect *crop, struct v4l2_window *win, struct v4l2_framebuffer *fbuf, const struct v4l2_rect *new_crop); -extern int omap_vout_try_window(struct v4l2_framebuffer *fbuf, +int omap_vout_try_window(struct v4l2_framebuffer *fbuf, struct v4l2_window *new_win); -extern int omap_vout_new_window(struct v4l2_rect *crop, +int omap_vout_new_window(struct v4l2_rect *crop, struct v4l2_window *win, struct v4l2_framebuffer *fbuf, struct v4l2_window *new_win); -extern void omap_vout_new_format(struct v4l2_pix_format *pix, +void omap_vout_new_format(struct v4l2_pix_format *pix, struct v4l2_framebuffer *fbuf, struct v4l2_rect *crop, struct v4l2_window *win); +unsigned long omap_vout_alloc_buffer(u32 buf_size, u32 *phys_addr); +void omap_vout_free_buffer(unsigned long virtaddr, u32 buf_size); #endif /* #ifndef OMAP_VOUTLIB_H */ |