forked from KolibriOS/kolibrios
ddk: v.4.4.5
git-svn-id: svn://kolibrios.org@6336 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
77815d548c
commit
4b9e73fcb4
@ -44,6 +44,7 @@ NAME_SRCS:= \
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linux/idr.c \
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linux/interval_tree.c \
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linux/kasprintf.c \
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linux/kmap.c \
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linux/list_sort.c \
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linux/mutex.c \
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linux/rbtree.c \
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96
drivers/ddk/linux/kmap.c
Normal file
96
drivers/ddk/linux/kmap.c
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@ -0,0 +1,96 @@
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#include <ddk.h>
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#include <linux/mm.h>
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#include <syscall.h>
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#define KMAP_MAX 256
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static struct mutex kmap_mutex;
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static struct page* kmap_table[KMAP_MAX];
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static int kmap_av;
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static int kmap_first;
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static void* kmap_base;
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int kmap_init()
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{
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kmap_base = AllocKernelSpace(KMAP_MAX*4096);
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if(kmap_base == NULL)
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return -1;
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kmap_av = KMAP_MAX;
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MutexInit(&kmap_mutex);
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return 0;
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};
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void *kmap(struct page *page)
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{
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void *vaddr = NULL;
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int i;
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do
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{
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MutexLock(&kmap_mutex);
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if(kmap_av != 0)
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{
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for(i = kmap_first; i < KMAP_MAX; i++)
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{
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if(kmap_table[i] == NULL)
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{
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kmap_av--;
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kmap_first = i;
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kmap_table[i] = page;
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vaddr = kmap_base + (i<<12);
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MapPage(vaddr,(addr_t)page,3);
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break;
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};
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};
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};
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MutexUnlock(&kmap_mutex);
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}while(vaddr == NULL);
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return vaddr;
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};
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void *kmap_atomic(struct page *page) __attribute__ ((alias ("kmap")));
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void kunmap(struct page *page)
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{
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void *vaddr;
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int i;
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MutexLock(&kmap_mutex);
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for(i = 0; i < KMAP_MAX; i++)
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{
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if(kmap_table[i] == page)
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{
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kmap_av++;
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if(i < kmap_first)
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kmap_first = i;
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kmap_table[i] = NULL;
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vaddr = kmap_base + (i<<12);
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MapPage(vaddr,0,0);
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break;
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};
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};
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MutexUnlock(&kmap_mutex);
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};
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void kunmap_atomic(void *vaddr)
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{
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int i;
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MapPage(vaddr,0,0);
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i = (vaddr - kmap_base) >> 12;
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MutexLock(&kmap_mutex);
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kmap_av++;
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if(i < kmap_first)
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kmap_first = i;
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kmap_table[i] = NULL;
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MutexUnlock(&kmap_mutex);
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}
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@ -195,7 +195,7 @@ int mod_timer(struct timer_list *timer, unsigned long expires)
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ret = 1;
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};
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timer->handle = TimerHS(expires, 0, timer->function, timer->data);
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timer->handle = TimerHS(expires, 0, timer->function, (void*)timer->data);
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return ret;
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}
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@ -19,9 +19,6 @@ extern void __delay(unsigned long loops);
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#define udelay(n) \
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({ \
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if (__builtin_constant_p(n)) { \
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if ((n) / 20000 >= 1) \
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__bad_udelay(); \
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else \
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__const_udelay((n) * 0x10c7ul); \
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} else { \
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__udelay(n); \
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@ -40,6 +40,11 @@ struct kos_framebuffer
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uint32_t pde[8];
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};
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int fake_framebuffer_create();
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void set_fake_framebuffer();
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int kolibri_framebuffer_init(void *param);
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void kolibri_framebuffer_update(struct drm_device *dev, struct kos_framebuffer *kfb);
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struct tag_display
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{
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u32 x;
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@ -318,6 +318,11 @@ struct drm_file {
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unsigned universal_planes:1;
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/* true if client understands atomic properties */
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unsigned atomic:1;
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/*
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* This client is allowed to gain master privileges for @master.
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* Protected by struct drm_device::master_mutex.
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*/
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unsigned allowed_master:1;
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struct list_head lhead;
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struct drm_minor *minor;
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unsigned long lock_count;
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@ -35,4 +35,13 @@
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void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
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static inline bool drm_arch_can_wc_memory(void)
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{
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#if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
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return false;
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#else
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return true;
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#endif
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}
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#endif
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@ -44,8 +44,6 @@ struct drm_dp_vcpi {
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/**
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* struct drm_dp_mst_port - MST port
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* @kref: reference count for this port.
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* @guid_valid: for DP 1.2 devices if we have validated the GUID.
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* @guid: guid for DP 1.2 device on this port.
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* @port_num: port number
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* @input: if this port is an input port.
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* @mcs: message capability status - DP 1.2 spec.
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@ -70,10 +68,6 @@ struct drm_dp_vcpi {
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struct drm_dp_mst_port {
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struct kref kref;
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/* if dpcd 1.2 device is on this port - its GUID info */
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bool guid_valid;
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u8 guid[16];
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u8 port_num;
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bool input;
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bool mcs;
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@ -109,10 +103,12 @@ struct drm_dp_mst_port {
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* @tx_slots: transmission slots for this device.
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* @last_seqno: last sequence number used to talk to this.
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* @link_address_sent: if a link address message has been sent to this device yet.
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* @guid: guid for DP 1.2 branch device. port under this branch can be
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* identified by port #.
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*
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* This structure represents an MST branch device, there is one
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* primary branch device at the root, along with any others connected
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* to downstream ports
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* primary branch device at the root, along with any other branches connected
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* to downstream port of parent branches.
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*/
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struct drm_dp_mst_branch {
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struct kref kref;
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@ -131,6 +127,9 @@ struct drm_dp_mst_branch {
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struct drm_dp_sideband_msg_tx *tx_slots[2];
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int last_seqno;
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bool link_address_sent;
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/* global unique identifier to identify branch devices */
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u8 guid[16];
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};
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@ -405,11 +404,9 @@ struct drm_dp_payload {
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* @conn_base_id: DRM connector ID this mgr is connected to.
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* @down_rep_recv: msg receiver state for down replies.
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* @up_req_recv: msg receiver state for up requests.
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* @lock: protects mst state, primary, guid, dpcd.
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* @lock: protects mst state, primary, dpcd.
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* @mst_state: if this manager is enabled for an MST capable port.
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* @mst_primary: pointer to the primary branch device.
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* @guid_valid: GUID valid for the primary branch device.
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* @guid: GUID for primary port.
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* @dpcd: cache of DPCD for primary port.
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* @pbn_div: PBN to slots divisor.
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*
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@ -431,13 +428,11 @@ struct drm_dp_mst_topology_mgr {
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struct drm_dp_sideband_msg_rx up_req_recv;
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/* pointer to info about the initial MST device */
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struct mutex lock; /* protects mst_state + primary + guid + dpcd */
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struct mutex lock; /* protects mst_state + primary + dpcd */
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bool mst_state;
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struct drm_dp_mst_branch *mst_primary;
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/* primary MST device GUID */
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bool guid_valid;
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u8 guid[16];
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u8 dpcd[DP_RECEIVER_CAP_SIZE];
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u8 sink_count;
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int pbn_div;
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@ -450,9 +445,7 @@ struct drm_dp_mst_topology_mgr {
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the mstb tx_slots and txmsg->state once they are queued */
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struct mutex qlock;
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struct list_head tx_msg_downq;
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struct list_head tx_msg_upq;
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bool tx_down_in_progress;
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bool tx_up_in_progress;
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/* payload info + lock for it */
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struct mutex payload_lock;
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@ -73,18 +73,28 @@ static inline u32 dfixed_div(fixed20_12 A, fixed20_12 B)
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#define DRM_FIXED_ONE (1ULL << DRM_FIXED_POINT)
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#define DRM_FIXED_DECIMAL_MASK (DRM_FIXED_ONE - 1)
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#define DRM_FIXED_DIGITS_MASK (~DRM_FIXED_DECIMAL_MASK)
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#define DRM_FIXED_EPSILON 1LL
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#define DRM_FIXED_ALMOST_ONE (DRM_FIXED_ONE - DRM_FIXED_EPSILON)
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static inline s64 drm_int2fixp(int a)
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{
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return ((s64)a) << DRM_FIXED_POINT;
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}
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static inline int drm_fixp2int(int64_t a)
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static inline int drm_fixp2int(s64 a)
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{
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return ((s64)a) >> DRM_FIXED_POINT;
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}
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static inline unsigned drm_fixp_msbset(int64_t a)
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static inline int drm_fixp2int_ceil(s64 a)
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{
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if (a > 0)
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return drm_fixp2int(a + DRM_FIXED_ALMOST_ONE);
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else
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return drm_fixp2int(a - DRM_FIXED_ALMOST_ONE);
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}
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static inline unsigned drm_fixp_msbset(s64 a)
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{
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unsigned shift, sign = (a >> 63) & 1;
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@ -136,6 +146,45 @@ static inline s64 drm_fixp_div(s64 a, s64 b)
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return result;
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}
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static inline s64 drm_fixp_from_fraction(s64 a, s64 b)
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{
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s64 res;
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bool a_neg = a < 0;
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bool b_neg = b < 0;
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u64 a_abs = a_neg ? -a : a;
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u64 b_abs = b_neg ? -b : b;
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u64 rem;
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/* determine integer part */
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u64 res_abs = div64_u64_rem(a_abs, b_abs, &rem);
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/* determine fractional part */
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{
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u32 i = DRM_FIXED_POINT;
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do {
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rem <<= 1;
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res_abs <<= 1;
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if (rem >= b_abs) {
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res_abs |= 1;
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rem -= b_abs;
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}
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} while (--i != 0);
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}
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/* round up LSB */
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{
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u64 summand = (rem << 1) >= b_abs;
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res_abs += summand;
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}
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res = (s64) res_abs;
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if (a_neg ^ b_neg)
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res = -res;
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return res;
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}
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static inline s64 drm_fixp_exp(s64 x)
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{
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s64 tolerance = div64_s64(DRM_FIXED_ONE, 1000000);
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@ -7,6 +7,10 @@
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#ifndef _LINUX_BACKLIGHT_H
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#define _LINUX_BACKLIGHT_H
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#include <linux/device.h>
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#include <linux/fb.h>
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#include <linux/mutex.h>
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/* Notes on locking:
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*
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* backlight_device->ops_lock is an internal backlight lock protecting the
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@ -2,6 +2,7 @@
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#define __DMI_H__
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#include <linux/list.h>
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#include <linux/kobject.h>
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#include <linux/mod_devicetable.h>
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/* enum dmi_field is in mod_devicetable.h */
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@ -93,6 +94,7 @@ struct dmi_dev_onboard {
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int devfn;
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};
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extern struct kobject *dmi_kobj;
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extern int dmi_check_system(const struct dmi_system_id *list);
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const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
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extern const char * dmi_get_system_info(int field);
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@ -10,6 +10,7 @@
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#include <linux/posix_types.h>
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struct file;
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extern void fput(struct file *);
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extern struct file *fget(unsigned int fd);
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#endif /* __LINUX_FILE_H */
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@ -12,7 +12,6 @@
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#ifndef __IDR_H__
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#define __IDR_H__
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#include <syscall.h>
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#include <linux/types.h>
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#include <linux/bitops.h>
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#include <linux/init.h>
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@ -2,7 +2,7 @@
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* Runtime locking correctness validator
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*
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* Copyright (C) 2006,2007 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
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* Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
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* Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra
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*
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* see Documentation/locking/lockdep-design.txt for more details.
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*/
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@ -1,6 +1,7 @@
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#ifndef LINUX_MM_DEBUG_H
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#define LINUX_MM_DEBUG_H 1
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#include <linux/bug.h>
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#include <linux/stringify.h>
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struct page;
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@ -37,6 +37,10 @@ static inline void cond_synchronize_rcu(unsigned long oldstate)
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might_sleep();
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}
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static inline unsigned long get_state_synchronize_sched(void)
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{
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return 0;
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}
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static inline void rcu_barrier_bh(void)
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{
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wait_rcu_gp(call_rcu_bh);
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@ -59,7 +59,7 @@
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#ifndef _LINUX_SFI_H
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#define _LINUX_SFI_H
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//#include <linux/init.h>
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#include <linux/init.h>
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#include <linux/types.h>
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/* Table signatures reserved by the SFI specification */
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@ -486,7 +486,7 @@ static inline void sysSetScreen(int width, int height, int pitch)
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("" :::"eax","ecx","edx");
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}
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int drm_order(unsigned long size);
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void FASTCALL sysSetFramebuffer(void *fb)__asm__("SetFramebuffer");
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static inline void __iomem *ioremap(u32 offset, size_t size)
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{
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Reference in New Issue
Block a user