diff options
Diffstat (limited to 'linux-core/drm_init.c')
| -rw-r--r-- | linux-core/drm_init.c | 56 |
1 files changed, 37 insertions, 19 deletions
diff --git a/linux-core/drm_init.c b/linux-core/drm_init.c index 3aa4ad59..509e6841 100644 --- a/linux-core/drm_init.c +++ b/linux-core/drm_init.c @@ -1,4 +1,12 @@ -/* drm_init.h -- Setup/Cleanup for DRM -*- linux-c -*- +/** + * \file drm_init.h + * Setup/Cleanup for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. @@ -23,23 +31,24 @@ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Gareth Hughes <gareth@valinux.com> */ #define __NO_VERSION__ #include "drmP.h" +/** Debug flags. Set by parse_option(). */ #if 0 int DRM(flags) = DRM_FLAG_DEBUG; #else int DRM(flags) = 0; #endif -/* drm_parse_option parses a single option. See description for - * drm_parse_options for details. +/** + * Parse a single option. + * + * \param s option string. + * + * \sa See parse_options() for details. */ static void DRM(parse_option)(char *s) { @@ -59,26 +68,33 @@ static void DRM(parse_option)(char *s) return; } -/* drm_parse_options parse the insmod "drm_opts=" options, or the command-line - * options passed to the kernel via LILO. The grammar of the format is as +/** + * Parse the insmod "drm_opts=" options, or the command-line + * options passed to the kernel via LILO. + * + * \param s contains option_list without the 'drm_opts=' part. + * + * The grammar of the format is as * follows: * + * \code * drm ::= 'drm_opts=' option_list * option_list ::= option [ ';' option_list ] * option ::= 'device:' major * | 'debug' * | 'noctx' * major ::= INTEGER + * \endcode * - * Note that 's' contains option_list without the 'drm_opts=' part. - * - * device=major,minor specifies the device number used for /dev/drm - * if major == 0 then the misc device is used - * if major == 0 and minor == 0 then dynamic misc allocation is used - * debug=on specifies that debugging messages will be printk'd - * debug=trace specifies that each function call will be logged via printk - * debug=off turns off all debugging options + * - device=major,minor specifies the device number used for /dev/drm + * - if major == 0 then the misc device is used + * - if major == 0 and minor == 0 then dynamic misc allocation is used + * - debug=on specifies that debugging messages will be printk'd + * - debug=trace specifies that each function call will be logged via printk + * - debug=off turns off all debugging options * + * \todo Actually only the \e presence of the 'debug' option is currently + * checked. */ void DRM(parse_options)(char *s) @@ -96,8 +112,10 @@ void DRM(parse_options)(char *s) } } -/* drm_cpu_valid returns non-zero if the DRI will run on this CPU, and 0 - * otherwise. +/** + * Check whether DRI will run on this CPU. + * + * \return non-zero if the DRI will run on this CPU, or zero otherwise. */ int DRM(cpu_valid)(void) { |