nouveau_display.o nouveau_connector.o nouveau_fbcon.o \
nouveau_hdmi.o nouveau_dp.o nouveau_ramht.o \
nouveau_pm.o nouveau_volt.o nouveau_perf.o nouveau_temp.o \
- nouveau_mm.o nouveau_vm.o nouveau_mxm.o \
+ nouveau_mm.o nouveau_vm.o nouveau_mxm.o nouveau_gpio.o \
nv04_timer.o \
nv04_mc.o nv40_mc.o nv50_mc.o \
nv04_fb.o nv10_fb.o nv30_fb.o nv40_fb.o nv50_fb.o nvc0_fb.o \
#include "nouveau_drv.h"
#include "nouveau_hw.h"
#include "nouveau_encoder.h"
+#include "nouveau_gpio.h"
#include <linux/io-mapping.h>
return 1;
}
-static void
-init_gpio_unknv50(struct nvbios *bios, struct dcb_gpio_entry *gpio)
-{
- const uint32_t nv50_gpio_ctl[2] = { 0xe100, 0xe28c };
- u32 r, s, v;
-
- /* Not a clue, needs de-magicing */
- r = nv50_gpio_ctl[gpio->line >> 4];
- s = (gpio->line & 0x0f);
- v = bios_rd32(bios, r) & ~(0x00010001 << s);
- switch ((gpio->entry & 0x06000000) >> 25) {
- case 1:
- v |= (0x00000001 << s);
- break;
- case 2:
- v |= (0x00010000 << s);
- break;
- default:
- break;
- }
-
- bios_wr32(bios, r, v);
-}
-
-static void
-init_gpio_unknvd0(struct nvbios *bios, struct dcb_gpio_entry *gpio)
-{
- u32 v, i;
-
- v = bios_rd32(bios, 0x00d610 + (gpio->line * 4));
- v &= 0xffffff00;
- v |= (gpio->entry & 0x00ff0000) >> 16;
- bios_wr32(bios, 0x00d610 + (gpio->line * 4), v);
-
- i = (gpio->entry & 0x1f000000) >> 24;
- if (i) {
- v = bios_rd32(bios, 0x00d640 + ((i - 1) * 4));
- v &= 0xffffff00;
- v |= gpio->line;
- bios_wr32(bios, 0x00d640 + ((i - 1) * 4), v);
- }
-}
-
static int
init_gpio(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
{
* each GPIO according to various values listed in each entry
*/
- struct drm_nouveau_private *dev_priv = bios->dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- int i;
-
- if (dev_priv->card_type < NV_50) {
- NV_ERROR(bios->dev, "INIT_GPIO on unsupported chipset\n");
- return 1;
- }
-
- if (!iexec->execute)
- return 1;
-
- for (i = 0; i < bios->dcb.gpio.entries; i++) {
- struct dcb_gpio_entry *gpio = &bios->dcb.gpio.entry[i];
-
- BIOSLOG(bios, "0x%04X: Entry: 0x%08X\n", offset, gpio->entry);
-
- BIOSLOG(bios, "0x%04X: set gpio 0x%02x, state %d\n",
- offset, gpio->tag, gpio->state_default);
-
- if (!bios->execute)
- continue;
-
- pgpio->set(bios->dev, gpio->tag, gpio->state_default);
- if (dev_priv->card_type < NV_D0)
- init_gpio_unknv50(bios, gpio);
- else
- init_gpio_unknvd0(bios, gpio);
- }
+ if (iexec->execute && bios->execute)
+ nouveau_gpio_reset(bios->dev);
return 1;
}
return 0;
}
-static struct dcb_gpio_entry *
-new_gpio_entry(struct nvbios *bios)
-{
- struct drm_device *dev = bios->dev;
- struct dcb_gpio_table *gpio = &bios->dcb.gpio;
-
- if (gpio->entries >= DCB_MAX_NUM_GPIO_ENTRIES) {
- NV_ERROR(dev, "exceeded maximum number of gpio entries!!\n");
- return NULL;
- }
-
- return &gpio->entry[gpio->entries++];
-}
-
-struct dcb_gpio_entry *
-nouveau_bios_gpio_entry(struct drm_device *dev, enum dcb_gpio_tag tag)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nvbios *bios = &dev_priv->vbios;
- int i;
-
- for (i = 0; i < bios->dcb.gpio.entries; i++) {
- if (bios->dcb.gpio.entry[i].tag != tag)
- continue;
-
- return &bios->dcb.gpio.entry[i];
- }
-
- return NULL;
-}
-
-static void
-parse_dcb_gpio_table(struct nvbios *bios)
-{
- struct drm_device *dev = bios->dev;
- struct dcb_gpio_entry *e;
- u8 headerlen, entries, recordlen;
- u8 *dcb, *gpio = NULL, *entry;
- int i;
-
- dcb = ROMPTR(dev, bios->data[0x36]);
- if (dcb[0] >= 0x30) {
- gpio = ROMPTR(dev, dcb[10]);
- if (!gpio)
- goto no_table;
-
- headerlen = gpio[1];
- entries = gpio[2];
- recordlen = gpio[3];
- } else
- if (dcb[0] >= 0x22 && dcb[-1] >= 0x13) {
- gpio = ROMPTR(dev, dcb[-15]);
- if (!gpio)
- goto no_table;
-
- headerlen = 3;
- entries = gpio[2];
- recordlen = gpio[1];
- } else
- if (dcb[0] >= 0x22) {
- /* No GPIO table present, parse the TVDAC GPIO data. */
- uint8_t *tvdac_gpio = &dcb[-5];
-
- if (tvdac_gpio[0] & 1) {
- e = new_gpio_entry(bios);
- e->tag = DCB_GPIO_TVDAC0;
- e->line = tvdac_gpio[1] >> 4;
- e->state[0] = !!(tvdac_gpio[0] & 2);
- e->state[1] = !e->state[0];
- }
-
- goto no_table;
- } else {
- NV_DEBUG(dev, "no/unknown gpio table on DCB 0x%02x\n", dcb[0]);
- goto no_table;
- }
-
- entry = gpio + headerlen;
- for (i = 0; i < entries; i++, entry += recordlen) {
- e = new_gpio_entry(bios);
- if (!e)
- break;
-
- if (gpio[0] < 0x40) {
- e->entry = ROM16(entry[0]);
- e->tag = (e->entry & 0x07e0) >> 5;
- if (e->tag == 0x3f) {
- bios->dcb.gpio.entries--;
- continue;
- }
-
- e->line = (e->entry & 0x001f);
- e->state[0] = ((e->entry & 0xf800) >> 11) != 4;
- e->state[1] = !e->state[0];
- } else {
- e->entry = ROM32(entry[0]);
- e->tag = (e->entry & 0x0000ff00) >> 8;
- if (e->tag == 0xff) {
- bios->dcb.gpio.entries--;
- continue;
- }
-
- e->line = (e->entry & 0x0000001f) >> 0;
- if (gpio[0] == 0x40) {
- e->state_default = (e->entry & 0x01000000) >> 24;
- e->state[0] = (e->entry & 0x18000000) >> 27;
- e->state[1] = (e->entry & 0x60000000) >> 29;
- } else {
- e->state_default = (e->entry & 0x00000080) >> 7;
- e->state[0] = (entry[4] >> 4) & 3;
- e->state[1] = (entry[4] >> 6) & 3;
- }
- }
- }
-
-no_table:
- /* Apple iMac G4 NV18 */
- if (nv_match_device(dev, 0x0189, 0x10de, 0x0010)) {
- e = new_gpio_entry(bios);
- if (e) {
- e->tag = DCB_GPIO_TVDAC0;
- e->line = 4;
- }
- }
-}
-
void *
dcb_table(struct drm_device *dev)
{
NV_TRACE(dev, "DCB version %d.%d\n", dcbt[0] >> 4, dcbt[0] & 0xf);
dcb->version = dcbt[0];
- if (dcb->version >= 0x30)
- dcb->gpio_table_ptr = ROM16(dcbt[10]);
-
dcb_outp_foreach(dev, NULL, parse_dcb_entry);
/*
}
}
dcb_fake_connectors(bios);
-
- parse_dcb_gpio_table(bios);
return 0;
}
DCB_GPIO_UNUSED = 0xff
};
-struct dcb_gpio_entry {
- enum dcb_gpio_tag tag;
- int line;
- uint32_t entry;
- uint8_t state_default;
- uint8_t state[2];
-};
-
-struct dcb_gpio_table {
- int entries;
- struct dcb_gpio_entry entry[DCB_MAX_NUM_GPIO_ENTRIES];
-};
-
enum dcb_connector_type {
DCB_CONNECTOR_VGA = 0x00,
DCB_CONNECTOR_TV_0 = 0x10,
struct dcb_table {
uint8_t version;
-
int entries;
struct dcb_entry entry[DCB_MAX_NUM_ENTRIES];
-
- uint16_t gpio_table_ptr;
- struct dcb_gpio_table gpio;
};
enum nouveau_or {
#include "nouveau_encoder.h"
#include "nouveau_crtc.h"
#include "nouveau_connector.h"
+#include "nouveau_gpio.h"
#include "nouveau_hw.h"
static void nouveau_connector_hotplug(void *, int);
{
struct nouveau_connector *nv_connector = nouveau_connector(connector);
struct drm_nouveau_private *dev_priv;
- struct nouveau_gpio_engine *pgpio;
struct drm_device *dev;
if (!nv_connector)
dev_priv = dev->dev_private;
NV_DEBUG_KMS(dev, "\n");
- pgpio = &dev_priv->engine.gpio;
- if (pgpio->irq_unregister) {
- pgpio->irq_unregister(dev, nv_connector->hpd,
- nouveau_connector_hotplug, connector);
+ if (nv_connector->hpd != DCB_GPIO_UNUSED) {
+ nouveau_gpio_isr_del(dev, 0, nv_connector->hpd, 0xff,
+ nouveau_connector_hotplug, connector);
}
kfree(nv_connector->edid);
const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_display_engine *disp = &dev_priv->engine.display;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
struct nouveau_connector *nv_connector = NULL;
struct drm_connector *connector;
int type, ret = 0;
break;
}
- if (nv_connector->hpd != DCB_GPIO_UNUSED && pgpio->irq_register) {
- pgpio->irq_register(dev, nv_connector->hpd,
- nouveau_connector_hotplug, connector);
-
- connector->polled = DRM_CONNECTOR_POLL_HPD;
- } else {
- connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+ if (nv_connector->hpd != DCB_GPIO_UNUSED) {
+ ret = nouveau_gpio_isr_add(dev, 0, nv_connector->hpd, 0xff,
+ nouveau_connector_hotplug,
+ connector);
+ if (ret == 0)
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
}
drm_sysfs_connector_add(connector);
#include "nouveau_connector.h"
#include "nouveau_encoder.h"
#include "nouveau_crtc.h"
+#include "nouveau_gpio.h"
/******************************************************************************
* aux channel util functions
bool
nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate)
{
- struct drm_nouveau_private *dev_priv = encoder->dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
struct nouveau_connector *nv_connector =
* we take during link training (DP_SET_POWER is one), we need
* to ignore them for the moment to avoid races.
*/
- pgpio->irq_enable(dev, nv_connector->hpd, false);
+ nouveau_gpio_irq(dev, 0, nv_connector->hpd, 0xff, false);
/* enable down-spreading, if possible */
if (dp.table[1] >= 16) {
nouveau_bios_run_init_table(dev, ROM16(dp.entry[8]), dp.dcb, dp.crtc);
/* re-enable hotplug detect */
- pgpio->irq_enable(dev, nv_connector->hpd, true);
+ nouveau_gpio_irq(dev, 0, nv_connector->hpd, 0xff, true);
return true;
}
};
struct nouveau_gpio_engine {
- void *priv;
-
- int (*init)(struct drm_device *);
- void (*takedown)(struct drm_device *);
-
- int (*get)(struct drm_device *, enum dcb_gpio_tag);
- int (*set)(struct drm_device *, enum dcb_gpio_tag, int state);
-
- int (*irq_register)(struct drm_device *, enum dcb_gpio_tag,
- void (*)(void *, int), void *);
- void (*irq_unregister)(struct drm_device *, enum dcb_gpio_tag,
- void (*)(void *, int), void *);
- bool (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on);
+ spinlock_t lock;
+ struct list_head isr;
+ int (*init)(struct drm_device *);
+ void (*fini)(struct drm_device *);
+ int (*drive)(struct drm_device *, int line, int dir, int out);
+ int (*sense)(struct drm_device *, int line);
+ void (*irq_enable)(struct drm_device *, int line, bool);
};
struct nouveau_pm_voltage_level {
extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
struct dcb_entry *, int crtc);
extern void nouveau_bios_init_exec(struct drm_device *, uint16_t table);
-extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
- enum dcb_gpio_tag);
extern struct dcb_connector_table_entry *
nouveau_bios_connector_entry(struct drm_device *, int index);
extern u32 get_pll_register(struct drm_device *, enum pll_types);
uint32_t handle);
/* nv10_gpio.c */
-int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
-int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
+int nv10_gpio_init(struct drm_device *dev);
+void nv10_gpio_fini(struct drm_device *dev);
+int nv10_gpio_drive(struct drm_device *dev, int line, int dir, int out);
+int nv10_gpio_sense(struct drm_device *dev, int line);
+void nv10_gpio_irq_enable(struct drm_device *, int line, bool on);
/* nv50_gpio.c */
int nv50_gpio_init(struct drm_device *dev);
void nv50_gpio_fini(struct drm_device *dev);
-int nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
-int nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
-int nvd0_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag);
-int nvd0_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state);
-int nv50_gpio_irq_register(struct drm_device *, enum dcb_gpio_tag,
- void (*)(void *, int), void *);
-void nv50_gpio_irq_unregister(struct drm_device *, enum dcb_gpio_tag,
- void (*)(void *, int), void *);
-bool nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on);
-
-/* nv50_calc. */
+int nv50_gpio_drive(struct drm_device *dev, int line, int dir, int out);
+int nv50_gpio_sense(struct drm_device *dev, int line);
+void nv50_gpio_irq_enable(struct drm_device *, int line, bool on);
+int nvd0_gpio_drive(struct drm_device *dev, int line, int dir, int out);
+int nvd0_gpio_sense(struct drm_device *dev, int line);
+
+/* nv50_calc.c */
int nv50_calc_pll(struct drm_device *, struct pll_lims *, int clk,
int *N1, int *M1, int *N2, int *M2, int *P);
int nva3_calc_pll(struct drm_device *, struct pll_lims *,
--- /dev/null
+/*
+ * Copyright 2011 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * 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: Ben Skeggs
+ */
+
+#include "drmP.h"
+#include "nouveau_drv.h"
+#include "nouveau_i2c.h"
+#include "nouveau_gpio.h"
+
+static u8 *
+dcb_gpio_table(struct drm_device *dev)
+{
+ u8 *dcb = dcb_table(dev);
+ if (dcb) {
+ if (dcb[0] >= 0x30 && dcb[1] >= 0x0c)
+ return ROMPTR(dev, dcb[0x0a]);
+ if (dcb[0] >= 0x22 && dcb[-1] >= 0x13)
+ return ROMPTR(dev, dcb[-15]);
+ }
+ return NULL;
+}
+
+static u8 *
+dcb_gpio_entry(struct drm_device *dev, int idx, int ent, u8 *version)
+{
+ u8 *table = dcb_gpio_table(dev);
+ if (table) {
+ *version = table[0];
+ if (*version < 0x30 && ent < table[2])
+ return table + 3 + (ent * table[1]);
+ else if (ent < table[2])
+ return table + table[1] + (ent * table[3]);
+ }
+ return NULL;
+}
+
+int
+nouveau_gpio_drive(struct drm_device *dev, int idx, int line, int dir, int out)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+
+ return pgpio->drive ? pgpio->drive(dev, line, dir, out) : -ENODEV;
+}
+
+int
+nouveau_gpio_sense(struct drm_device *dev, int idx, int line)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+
+ return pgpio->sense ? pgpio->sense(dev, line) : -ENODEV;
+}
+
+int
+nouveau_gpio_find(struct drm_device *dev, int idx, u8 func, u8 line,
+ struct gpio_func *gpio)
+{
+ u8 *table, *entry, version;
+ int i = -1;
+
+ if (line == 0xff && func == 0xff)
+ return -EINVAL;
+
+ while ((entry = dcb_gpio_entry(dev, idx, ++i, &version))) {
+ if (version < 0x40) {
+ u16 data = ROM16(entry[0]);
+ *gpio = (struct gpio_func) {
+ .line = (data & 0x001f) >> 0,
+ .func = (data & 0x07e0) >> 5,
+ .log[0] = (data & 0x1800) >> 11,
+ .log[1] = (data & 0x6000) >> 13,
+ };
+ } else
+ if (version < 0x41) {
+ *gpio = (struct gpio_func) {
+ .line = entry[0] & 0x1f,
+ .func = entry[1],
+ .log[0] = (entry[3] & 0x18) >> 3,
+ .log[1] = (entry[3] & 0x60) >> 5,
+ };
+ } else {
+ *gpio = (struct gpio_func) {
+ .line = entry[0] & 0x3f,
+ .func = entry[1],
+ .log[0] = (entry[4] & 0x30) >> 4,
+ .log[1] = (entry[4] & 0xc0) >> 6,
+ };
+ }
+
+ if ((line == 0xff || line == gpio->line) &&
+ (func == 0xff || func == gpio->func))
+ return 0;
+ }
+
+ /* DCB 2.2, fixed TVDAC GPIO data */
+ if ((table = dcb_table(dev)) && table[0] >= 0x22) {
+ if (func == DCB_GPIO_TVDAC0) {
+ *gpio = (struct gpio_func) {
+ .func = DCB_GPIO_TVDAC0,
+ .line = table[-4] >> 4,
+ .log[0] = !!(table[-5] & 2),
+ .log[1] = !(table[-5] & 2),
+ };
+ return 0;
+ }
+ }
+
+ /* Apple iMac G4 NV18 */
+ if (nv_match_device(dev, 0x0189, 0x10de, 0x0010)) {
+ if (func == DCB_GPIO_TVDAC0) {
+ *gpio = (struct gpio_func) {
+ .func = DCB_GPIO_TVDAC0,
+ .line = 4,
+ .log[0] = 0,
+ .log[1] = 1,
+ };
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+int
+nouveau_gpio_set(struct drm_device *dev, int idx, u8 tag, u8 line, int state)
+{
+ struct gpio_func gpio;
+ int ret;
+
+ ret = nouveau_gpio_find(dev, idx, tag, line, &gpio);
+ if (ret == 0) {
+ int dir = !!(gpio.log[state] & 0x02);
+ int out = !!(gpio.log[state] & 0x01);
+ ret = nouveau_gpio_drive(dev, idx, gpio.line, dir, out);
+ }
+
+ return ret;
+}
+
+int
+nouveau_gpio_get(struct drm_device *dev, int idx, u8 tag, u8 line)
+{
+ struct gpio_func gpio;
+ int ret;
+
+ ret = nouveau_gpio_find(dev, idx, tag, line, &gpio);
+ if (ret == 0) {
+ ret = nouveau_gpio_sense(dev, idx, gpio.line);
+ if (ret >= 0)
+ ret = (ret == (gpio.log[1] & 1));
+ }
+
+ return ret;
+}
+
+int
+nouveau_gpio_irq(struct drm_device *dev, int idx, u8 tag, u8 line, bool on)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+ struct gpio_func gpio;
+ int ret;
+
+ ret = nouveau_gpio_find(dev, idx, tag, line, &gpio);
+ if (ret == 0) {
+ if (idx == 0 && pgpio->irq_enable)
+ pgpio->irq_enable(dev, gpio.line, on);
+ else
+ ret = -ENODEV;
+ }
+
+ return ret;
+}
+
+struct gpio_isr {
+ struct drm_device *dev;
+ struct list_head head;
+ struct work_struct work;
+ int idx;
+ struct gpio_func func;
+ void (*handler)(void *, int);
+ void *data;
+ bool inhibit;
+};
+
+static void
+nouveau_gpio_isr_bh(struct work_struct *work)
+{
+ struct gpio_isr *isr = container_of(work, struct gpio_isr, work);
+ struct drm_device *dev = isr->dev;
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+ unsigned long flags;
+ int state;
+
+ state = nouveau_gpio_get(dev, isr->idx, isr->func.func, isr->func.line);
+ if (state >= 0)
+ isr->handler(isr->data, state);
+
+ spin_lock_irqsave(&pgpio->lock, flags);
+ isr->inhibit = false;
+ spin_unlock_irqrestore(&pgpio->lock, flags);
+}
+
+void
+nouveau_gpio_isr(struct drm_device *dev, int idx, u32 line_mask)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+ struct gpio_isr *isr;
+
+ if (idx != 0)
+ return;
+
+ spin_lock(&pgpio->lock);
+ list_for_each_entry(isr, &pgpio->isr, head) {
+ if (line_mask & (1 << isr->func.line)) {
+ if (isr->inhibit)
+ continue;
+ isr->inhibit = true;
+ schedule_work(&isr->work);
+ }
+ }
+ spin_unlock(&pgpio->lock);
+}
+
+int
+nouveau_gpio_isr_add(struct drm_device *dev, int idx, u8 tag, u8 line,
+ void (*handler)(void *, int), void *data)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+ struct gpio_isr *isr;
+ unsigned long flags;
+ int ret;
+
+ isr = kzalloc(sizeof(*isr), GFP_KERNEL);
+ if (!isr)
+ return -ENOMEM;
+
+ ret = nouveau_gpio_find(dev, idx, tag, line, &isr->func);
+ if (ret) {
+ kfree(isr);
+ return ret;
+ }
+
+ INIT_WORK(&isr->work, nouveau_gpio_isr_bh);
+ isr->dev = dev;
+ isr->handler = handler;
+ isr->data = data;
+ isr->idx = idx;
+
+ spin_lock_irqsave(&pgpio->lock, flags);
+ list_add(&isr->head, &pgpio->isr);
+ spin_unlock_irqrestore(&pgpio->lock, flags);
+ return 0;
+}
+
+void
+nouveau_gpio_isr_del(struct drm_device *dev, int idx, u8 tag, u8 line,
+ void (*handler)(void *, int), void *data)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+ struct gpio_isr *isr, *tmp;
+ struct gpio_func func;
+ unsigned long flags;
+ LIST_HEAD(tofree);
+ int ret;
+
+ ret = nouveau_gpio_find(dev, idx, tag, line, &func);
+ if (ret == 0) {
+ spin_lock_irqsave(&pgpio->lock, flags);
+ list_for_each_entry_safe(isr, tmp, &pgpio->isr, head) {
+ if (memcmp(&isr->func, &func, sizeof(func)) ||
+ isr->idx != idx ||
+ isr->handler != handler || isr->data != data)
+ continue;
+ list_move(&isr->head, &tofree);
+ }
+ spin_unlock_irqrestore(&pgpio->lock, flags);
+
+ list_for_each_entry_safe(isr, tmp, &tofree, head) {
+ flush_work_sync(&isr->work);
+ kfree(isr);
+ }
+ }
+}
+
+int
+nouveau_gpio_create(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+
+ INIT_LIST_HEAD(&pgpio->isr);
+ spin_lock_init(&pgpio->lock);
+
+ return nouveau_gpio_init(dev);
+}
+
+void
+nouveau_gpio_destroy(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+
+ nouveau_gpio_fini(dev);
+ BUG_ON(!list_empty(&pgpio->isr));
+}
+
+int
+nouveau_gpio_init(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+ int ret = 0;
+
+ if (pgpio->init)
+ ret = pgpio->init(dev);
+
+ return ret;
+}
+
+void
+nouveau_gpio_fini(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+
+ if (pgpio->fini)
+ pgpio->fini(dev);
+}
+
+void
+nouveau_gpio_reset(struct drm_device *dev)
+{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+ u8 *entry, version;
+ int ent = -1;
+
+ while ((entry = dcb_gpio_entry(dev, 0, ++ent, &version))) {
+ u8 func = 0xff, line, defs, unk0, unk1;
+ if (version >= 0x41) {
+ defs = !!(entry[0] & 0x80);
+ line = entry[0] & 0x3f;
+ func = entry[1];
+ unk0 = entry[2];
+ unk1 = entry[3] & 0x1f;
+ } else
+ if (version >= 0x40) {
+ line = entry[0] & 0x1f;
+ func = entry[1];
+ defs = !!(entry[3] & 0x01);
+ unk0 = !!(entry[3] & 0x02);
+ unk1 = !!(entry[3] & 0x04);
+ } else {
+ break;
+ }
+
+ if (func == 0xff)
+ continue;
+
+ nouveau_gpio_func_set(dev, func, defs);
+
+ if (dev_priv->card_type >= NV_D0) {
+ nv_mask(dev, 0x00d610 + (line * 4), 0xff, unk0);
+ if (unk1--)
+ nv_mask(dev, 0x00d640 + (unk1 * 4), 0xff, line);
+ } else
+ if (dev_priv->card_type >= NV_50) {
+ static const u32 regs[] = { 0xe100, 0xe28c };
+ u32 val = (unk1 << 16) | unk0;
+ u32 reg = regs[line >> 4]; line &= 0x0f;
+
+ nv_mask(dev, reg, 0x00010001 << line, val << line);
+ }
+ }
+}
--- /dev/null
+/*
+ * Copyright 2011 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * 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.
+ */
+
+#ifndef __NOUVEAU_GPIO_H__
+#define __NOUVEAU_GPIO_H__
+
+struct gpio_func {
+ u8 func;
+ u8 line;
+ u8 log[2];
+};
+
+/* nouveau_gpio.c */
+int nouveau_gpio_create(struct drm_device *);
+void nouveau_gpio_destroy(struct drm_device *);
+int nouveau_gpio_init(struct drm_device *);
+void nouveau_gpio_fini(struct drm_device *);
+void nouveau_gpio_reset(struct drm_device *);
+int nouveau_gpio_drive(struct drm_device *, int idx, int line,
+ int dir, int out);
+int nouveau_gpio_sense(struct drm_device *, int idx, int line);
+int nouveau_gpio_find(struct drm_device *, int idx, u8 tag, u8 line,
+ struct gpio_func *);
+int nouveau_gpio_set(struct drm_device *, int idx, u8 tag, u8 line, int state);
+int nouveau_gpio_get(struct drm_device *, int idx, u8 tag, u8 line);
+int nouveau_gpio_irq(struct drm_device *, int idx, u8 tag, u8 line, bool on);
+void nouveau_gpio_isr(struct drm_device *, int idx, u32 mask);
+int nouveau_gpio_isr_add(struct drm_device *, int idx, u8 tag, u8 line,
+ void (*)(void *, int state), void *data);
+void nouveau_gpio_isr_del(struct drm_device *, int idx, u8 tag, u8 line,
+ void (*)(void *, int state), void *data);
+
+static inline bool
+nouveau_gpio_func_valid(struct drm_device *dev, u8 tag)
+{
+ struct gpio_func func;
+ return (nouveau_gpio_find(dev, 0, tag, 0xff, &func)) == 0;
+}
+
+static inline int
+nouveau_gpio_func_set(struct drm_device *dev, u8 tag, int state)
+{
+ return nouveau_gpio_set(dev, 0, tag, 0xff, state);
+}
+
+static inline int
+nouveau_gpio_func_get(struct drm_device *dev, u8 tag)
+{
+ return nouveau_gpio_get(dev, 0, tag, 0xff);
+}
+
+#endif
#include "nouveau_drv.h"
#include "nouveau_pm.h"
+#include "nouveau_gpio.h"
#ifdef CONFIG_ACPI
#include <linux/acpi.h>
nouveau_pwmfan_get(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct dcb_gpio_entry *gpio = NULL;
+ struct gpio_func gpio;
u32 divs, duty;
int ret;
if (!pm->pwm_get)
return -ENODEV;
- gpio = nouveau_bios_gpio_entry(dev, DCB_GPIO_PWM_FAN);
- if (gpio) {
- ret = pm->pwm_get(dev, gpio->line, &divs, &duty);
+ ret = nouveau_gpio_find(dev, 0, DCB_GPIO_PWM_FAN, 0xff, &gpio);
+ if (ret == 0) {
+ ret = pm->pwm_get(dev, gpio.line, &divs, &duty);
if (ret == 0) {
divs = max(divs, duty);
- if (dev_priv->card_type <= NV_40 ||
- (gpio->state[0] & 1))
+ if (dev_priv->card_type <= NV_40 || (gpio.log[0] & 1))
duty = divs - duty;
return (duty * 100) / divs;
}
- return pgpio->get(dev, gpio->tag) * 100;
+ return nouveau_gpio_func_get(dev, gpio.func) * 100;
}
return -ENODEV;
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
- struct dcb_gpio_entry *gpio;
+ struct gpio_func gpio;
u32 divs, duty;
+ int ret;
if (!pm->pwm_set)
return -ENODEV;
- gpio = nouveau_bios_gpio_entry(dev, DCB_GPIO_PWM_FAN);
- if (gpio) {
+ ret = nouveau_gpio_find(dev, 0, DCB_GPIO_PWM_FAN, 0xff, &gpio);
+ if (ret == 0) {
divs = pm->pwm_divisor;
if (pm->fan.pwm_freq) {
/*XXX: PNVIO clock more than likely... */
}
duty = ((divs * percent) + 99) / 100;
- if (dev_priv->card_type <= NV_40 ||
- (gpio->state[0] & 1))
+ if (dev_priv->card_type <= NV_40 || (gpio.log[0] & 1))
duty = divs - duty;
- return pm->pwm_set(dev, gpio->line, divs, duty);
+ return pm->pwm_set(dev, gpio.line, divs, duty);
}
return -ENODEV;
struct drm_device *dev = dev_get_drvdata(d);
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- struct dcb_gpio_entry *gpio;
+ struct gpio_func gpio;
u32 cycles, cur, prev;
u64 start;
+ int ret;
- gpio = nouveau_bios_gpio_entry(dev, DCB_GPIO_FAN_SENSE);
- if (!gpio)
- return -ENODEV;
+ ret = nouveau_gpio_find(dev, 0, DCB_GPIO_FAN_SENSE, 0xff, &gpio);
+ if (ret)
+ return ret;
/* Monitor the GPIO input 0x3b for 250ms.
* When the fan spins, it changes the value of GPIO FAN_SENSE.
* We get 4 changes (0 -> 1 -> 0 -> 1 -> [...]) per complete rotation.
*/
start = ptimer->read(dev);
- prev = pgpio->get(dev, DCB_GPIO_FAN_SENSE);
+ prev = nouveau_gpio_sense(dev, 0, gpio.line);
cycles = 0;
do {
- cur = pgpio->get(dev, DCB_GPIO_FAN_SENSE);
+ cur = nouveau_gpio_sense(dev, 0, gpio.line);
if (prev != cur) {
cycles++;
prev = cur;
}
/* if the card can read the fan rpm */
- if (nouveau_bios_gpio_entry(dev, DCB_GPIO_FAN_SENSE)) {
+ if (nouveau_gpio_func_valid(dev, DCB_GPIO_FAN_SENSE)) {
ret = sysfs_create_group(&dev->pdev->dev.kobj,
&hwmon_fan_rpm_attrgroup);
if (ret)
#include "nouveau_drm.h"
#include "nouveau_fbcon.h"
#include "nouveau_ramht.h"
+#include "nouveau_gpio.h"
#include "nouveau_pm.h"
#include "nv50_display.h"
engine->display.destroy = nv04_display_destroy;
engine->display.init = nv04_display_init;
engine->display.fini = nv04_display_fini;
- engine->gpio.init = nouveau_stub_init;
- engine->gpio.takedown = nouveau_stub_takedown;
- engine->gpio.get = NULL;
- engine->gpio.set = NULL;
- engine->gpio.irq_enable = NULL;
engine->pm.clocks_get = nv04_pm_clocks_get;
engine->pm.clocks_pre = nv04_pm_clocks_pre;
engine->pm.clocks_set = nv04_pm_clocks_set;
engine->display.destroy = nv04_display_destroy;
engine->display.init = nv04_display_init;
engine->display.fini = nv04_display_fini;
- engine->gpio.init = nouveau_stub_init;
- engine->gpio.takedown = nouveau_stub_takedown;
- engine->gpio.get = nv10_gpio_get;
- engine->gpio.set = nv10_gpio_set;
- engine->gpio.irq_enable = NULL;
+ engine->gpio.drive = nv10_gpio_drive;
+ engine->gpio.sense = nv10_gpio_sense;
engine->pm.clocks_get = nv04_pm_clocks_get;
engine->pm.clocks_pre = nv04_pm_clocks_pre;
engine->pm.clocks_set = nv04_pm_clocks_set;
engine->display.destroy = nv04_display_destroy;
engine->display.init = nv04_display_init;
engine->display.fini = nv04_display_fini;
- engine->gpio.init = nouveau_stub_init;
- engine->gpio.takedown = nouveau_stub_takedown;
- engine->gpio.get = nv10_gpio_get;
- engine->gpio.set = nv10_gpio_set;
- engine->gpio.irq_enable = NULL;
+ engine->gpio.drive = nv10_gpio_drive;
+ engine->gpio.sense = nv10_gpio_sense;
engine->pm.clocks_get = nv04_pm_clocks_get;
engine->pm.clocks_pre = nv04_pm_clocks_pre;
engine->pm.clocks_set = nv04_pm_clocks_set;
engine->display.destroy = nv04_display_destroy;
engine->display.init = nv04_display_init;
engine->display.fini = nv04_display_fini;
- engine->gpio.init = nouveau_stub_init;
- engine->gpio.takedown = nouveau_stub_takedown;
- engine->gpio.get = nv10_gpio_get;
- engine->gpio.set = nv10_gpio_set;
- engine->gpio.irq_enable = NULL;
+ engine->gpio.drive = nv10_gpio_drive;
+ engine->gpio.sense = nv10_gpio_sense;
engine->pm.clocks_get = nv04_pm_clocks_get;
engine->pm.clocks_pre = nv04_pm_clocks_pre;
engine->pm.clocks_set = nv04_pm_clocks_set;
engine->display.destroy = nv04_display_destroy;
engine->display.init = nv04_display_init;
engine->display.fini = nv04_display_fini;
- engine->gpio.init = nouveau_stub_init;
- engine->gpio.takedown = nouveau_stub_takedown;
- engine->gpio.get = nv10_gpio_get;
- engine->gpio.set = nv10_gpio_set;
- engine->gpio.irq_enable = NULL;
+ engine->gpio.drive = nv10_gpio_drive;
+ engine->gpio.sense = nv10_gpio_sense;
engine->pm.clocks_get = nv40_pm_clocks_get;
engine->pm.clocks_pre = nv40_pm_clocks_pre;
engine->pm.clocks_set = nv40_pm_clocks_set;
engine->display.init = nv50_display_init;
engine->display.fini = nv50_display_fini;
engine->gpio.init = nv50_gpio_init;
- engine->gpio.takedown = nv50_gpio_fini;
- engine->gpio.get = nv50_gpio_get;
- engine->gpio.set = nv50_gpio_set;
- engine->gpio.irq_register = nv50_gpio_irq_register;
- engine->gpio.irq_unregister = nv50_gpio_irq_unregister;
+ engine->gpio.fini = nv50_gpio_fini;
+ engine->gpio.drive = nv50_gpio_drive;
+ engine->gpio.sense = nv50_gpio_sense;
engine->gpio.irq_enable = nv50_gpio_irq_enable;
switch (dev_priv->chipset) {
case 0x84:
engine->display.init = nv50_display_init;
engine->display.fini = nv50_display_fini;
engine->gpio.init = nv50_gpio_init;
- engine->gpio.takedown = nouveau_stub_takedown;
- engine->gpio.get = nv50_gpio_get;
- engine->gpio.set = nv50_gpio_set;
- engine->gpio.irq_register = nv50_gpio_irq_register;
- engine->gpio.irq_unregister = nv50_gpio_irq_unregister;
+ engine->gpio.fini = nv50_gpio_fini;
+ engine->gpio.drive = nv50_gpio_drive;
+ engine->gpio.sense = nv50_gpio_sense;
engine->gpio.irq_enable = nv50_gpio_irq_enable;
engine->vram.init = nvc0_vram_init;
engine->vram.takedown = nv50_vram_fini;
engine->display.init = nvd0_display_init;
engine->display.fini = nvd0_display_fini;
engine->gpio.init = nv50_gpio_init;
- engine->gpio.takedown = nouveau_stub_takedown;
- engine->gpio.get = nvd0_gpio_get;
- engine->gpio.set = nvd0_gpio_set;
- engine->gpio.irq_register = nv50_gpio_irq_register;
- engine->gpio.irq_unregister = nv50_gpio_irq_unregister;
+ engine->gpio.fini = nv50_gpio_fini;
+ engine->gpio.drive = nvd0_gpio_drive;
+ engine->gpio.sense = nvd0_gpio_sense;
engine->gpio.irq_enable = nv50_gpio_irq_enable;
engine->vram.init = nvc0_vram_init;
engine->vram.takedown = nv50_vram_fini;
goto out_gart;
/* PGPIO */
- ret = engine->gpio.init(dev);
+ ret = nouveau_gpio_create(dev);
if (ret)
goto out_mc;
out_timer:
engine->timer.takedown(dev);
out_gpio:
- engine->gpio.takedown(dev);
+ nouveau_gpio_destroy(dev);
out_mc:
engine->mc.takedown(dev);
out_gart:
}
engine->fb.takedown(dev);
engine->timer.takedown(dev);
- engine->gpio.takedown(dev);
+ nouveau_gpio_destroy(dev);
engine->mc.takedown(dev);
engine->display.late_takedown(dev);
#include "nouveau_drv.h"
#include "nouveau_pm.h"
+#include "nouveau_gpio.h"
static const enum dcb_gpio_tag vidtag[] = { 0x04, 0x05, 0x06, 0x1a, 0x73 };
static int nr_vidtag = sizeof(vidtag) / sizeof(vidtag[0]);
nouveau_voltage_gpio_get(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *gpio = &dev_priv->engine.gpio;
struct nouveau_pm_voltage *volt = &dev_priv->engine.pm.voltage;
u8 vid = 0;
int i;
if (!(volt->vid_mask & (1 << i)))
continue;
- vid |= gpio->get(dev, vidtag[i]) << i;
+ vid |= nouveau_gpio_func_get(dev, vidtag[i]) << i;
}
return nouveau_volt_lvl_lookup(dev, vid);
nouveau_voltage_gpio_set(struct drm_device *dev, int voltage)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *gpio = &dev_priv->engine.gpio;
struct nouveau_pm_voltage *volt = &dev_priv->engine.pm.voltage;
int vid, i;
if (!(volt->vid_mask & (1 << i)))
continue;
- gpio->set(dev, vidtag[i], !!(vid & (1 << i)));
+ nouveau_gpio_func_set(dev, vidtag[i], !!(vid & (1 << i)));
}
return 0;
return;
}
- if (!nouveau_bios_gpio_entry(dev, vidtag[i])) {
+ if (!nouveau_gpio_func_valid(dev, vidtag[i])) {
NV_DEBUG(dev, "vid bit %d has no gpio tag\n", i);
return;
}
#include "nouveau_connector.h"
#include "nouveau_crtc.h"
#include "nouveau_hw.h"
+#include "nouveau_gpio.h"
#include "nvreg.h"
int nv04_dac_output_offset(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *gpio = &dev_priv->engine.gpio;
struct dcb_entry *dcb = nouveau_encoder(encoder)->dcb;
uint32_t sample, testval, regoffset = nv04_dac_output_offset(encoder);
uint32_t saved_powerctrl_2 = 0, saved_powerctrl_4 = 0, saved_routput,
nvWriteMC(dev, NV_PBUS_POWERCTRL_4, saved_powerctrl_4 & 0xffffffcf);
}
- saved_gpio1 = gpio->get(dev, DCB_GPIO_TVDAC1);
- saved_gpio0 = gpio->get(dev, DCB_GPIO_TVDAC0);
+ saved_gpio1 = nouveau_gpio_func_get(dev, DCB_GPIO_TVDAC1);
+ saved_gpio0 = nouveau_gpio_func_get(dev, DCB_GPIO_TVDAC0);
- gpio->set(dev, DCB_GPIO_TVDAC1, dcb->type == OUTPUT_TV);
- gpio->set(dev, DCB_GPIO_TVDAC0, dcb->type == OUTPUT_TV);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC1, dcb->type == OUTPUT_TV);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC0, dcb->type == OUTPUT_TV);
msleep(4);
nvWriteMC(dev, NV_PBUS_POWERCTRL_4, saved_powerctrl_4);
nvWriteMC(dev, NV_PBUS_POWERCTRL_2, saved_powerctrl_2);
- gpio->set(dev, DCB_GPIO_TVDAC1, saved_gpio1);
- gpio->set(dev, DCB_GPIO_TVDAC0, saved_gpio0);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC1, saved_gpio1);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC0, saved_gpio0);
return sample;
}
#include "nouveau_drv.h"
#include "nouveau_hw.h"
-static bool
-get_gpio_location(struct dcb_gpio_entry *ent, uint32_t *reg, uint32_t *shift,
- uint32_t *mask)
-{
- if (ent->line < 2) {
- *reg = NV_PCRTC_GPIO;
- *shift = ent->line * 16;
- *mask = 0x11;
-
- } else if (ent->line < 10) {
- *reg = NV_PCRTC_GPIO_EXT;
- *shift = (ent->line - 2) * 4;
- *mask = 0x3;
-
- } else if (ent->line < 14) {
- *reg = NV_PCRTC_850;
- *shift = (ent->line - 10) * 4;
- *mask = 0x3;
-
- } else {
- return false;
- }
-
- return true;
-}
-
int
-nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag)
+nv10_gpio_sense(struct drm_device *dev, int line)
{
- struct dcb_gpio_entry *ent = nouveau_bios_gpio_entry(dev, tag);
- uint32_t reg, shift, mask, value;
-
- if (!ent)
- return -ENODEV;
-
- if (!get_gpio_location(ent, ®, &shift, &mask))
- return -ENODEV;
-
- value = NVReadCRTC(dev, 0, reg) >> shift;
+ if (line < 2) {
+ line = line * 16;
+ line = NVReadCRTC(dev, 0, NV_PCRTC_GPIO) >> line;
+ return !!(line & 0x0100);
+ } else
+ if (line < 10) {
+ line = (line - 2) * 4;
+ line = NVReadCRTC(dev, 0, NV_PCRTC_GPIO_EXT) >> line;
+ return !!(line & 0x04);
+ } else
+ if (line < 14) {
+ line = (line - 10) * 4;
+ line = NVReadCRTC(dev, 0, NV_PCRTC_850) >> line;
+ return !!(line & 0x04);
+ }
- return (value & 1) == ent->state[1];
+ return -EINVAL;
}
int
-nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state)
+nv10_gpio_drive(struct drm_device *dev, int line, int dir, int out)
{
- struct dcb_gpio_entry *ent = nouveau_bios_gpio_entry(dev, tag);
- uint32_t reg, shift, mask, value;
-
- if (!ent)
- return -ENODEV;
-
- if (!get_gpio_location(ent, ®, &shift, &mask))
- return -ENODEV;
-
- value = ent->state[state & 1] << shift;
- mask = ~(mask << shift);
-
- NVWriteCRTC(dev, 0, reg, value | (NVReadCRTC(dev, 0, reg) & mask));
+ u32 reg, mask, data;
+
+ if (line < 2) {
+ line = line * 16;
+ reg = NV_PCRTC_GPIO;
+ mask = 0x00000011;
+ data = (dir << 4) | out;
+ } else
+ if (line < 10) {
+ line = (line - 2) * 4;
+ reg = NV_PCRTC_GPIO_EXT;
+ mask = 0x00000003 << ((line - 2) * 4);
+ data = (dir << 1) | out;
+ } else
+ if (line < 14) {
+ line = (line - 10) * 4;
+ reg = NV_PCRTC_850;
+ mask = 0x00000003;
+ data = (dir << 1) | out;
+ } else {
+ return -EINVAL;
+ }
+ mask = NVReadCRTC(dev, 0, reg) & ~(mask << line);
+ NVWriteCRTC(dev, 0, reg, mask | (data << line));
return 0;
}
#include "nouveau_encoder.h"
#include "nouveau_connector.h"
#include "nouveau_crtc.h"
+#include "nouveau_gpio.h"
#include "nouveau_hw.h"
#include "nv17_tv.h"
{
struct drm_device *dev = encoder->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *gpio = &dev_priv->engine.gpio;
uint32_t testval, regoffset = nv04_dac_output_offset(encoder);
uint32_t gpio0, gpio1, fp_htotal, fp_hsync_start, fp_hsync_end,
fp_control, test_ctrl, dacclk, ctv_14, ctv_1c, ctv_6c;
head = (dacclk & 0x100) >> 8;
/* Save the previous state. */
- gpio1 = gpio->get(dev, DCB_GPIO_TVDAC1);
- gpio0 = gpio->get(dev, DCB_GPIO_TVDAC0);
+ gpio1 = nouveau_gpio_func_get(dev, DCB_GPIO_TVDAC1);
+ gpio0 = nouveau_gpio_func_get(dev, DCB_GPIO_TVDAC0);
fp_htotal = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL);
fp_hsync_start = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START);
fp_hsync_end = NVReadRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END);
ctv_6c = NVReadRAMDAC(dev, head, 0x680c6c);
/* Prepare the DAC for load detection. */
- gpio->set(dev, DCB_GPIO_TVDAC1, true);
- gpio->set(dev, DCB_GPIO_TVDAC0, true);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC1, true);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC0, true);
NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, 1343);
NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, 1047);
NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_END, fp_hsync_end);
NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, fp_hsync_start);
NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, fp_htotal);
- gpio->set(dev, DCB_GPIO_TVDAC1, gpio1);
- gpio->set(dev, DCB_GPIO_TVDAC0, gpio0);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC1, gpio1);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC0, gpio0);
return sample;
}
static void nv17_tv_dpms(struct drm_encoder *encoder, int mode)
{
struct drm_device *dev = encoder->dev;
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *gpio = &dev_priv->engine.gpio;
struct nv17_tv_state *regs = &to_tv_enc(encoder)->state;
struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder);
nv_load_ptv(dev, regs, 200);
- gpio->set(dev, DCB_GPIO_TVDAC1, mode == DRM_MODE_DPMS_ON);
- gpio->set(dev, DCB_GPIO_TVDAC0, mode == DRM_MODE_DPMS_ON);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC1, mode == DRM_MODE_DPMS_ON);
+ nouveau_gpio_func_set(dev, DCB_GPIO_TVDAC0, mode == DRM_MODE_DPMS_ON);
nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON);
}
#include "nouveau_fb.h"
#include "nouveau_fbcon.h"
#include "nouveau_ramht.h"
+#include "nouveau_gpio.h"
#include "drm_crtc_helper.h"
static void nv50_display_isr(struct drm_device *);
int
nv50_display_init(struct drm_device *dev)
{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
struct drm_connector *connector;
struct nouveau_channel *evo;
int ret, i;
/* enable hotplug interrupts */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct nouveau_connector *conn = nouveau_connector(connector);
-
- if (conn->hpd == DCB_GPIO_UNUSED)
- continue;
-
- pgpio->irq_enable(dev, conn->hpd, true);
+ nouveau_gpio_irq(dev, 0, conn->hpd, 0xff, true);
}
ret = nv50_evo_init(dev);
#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_hw.h"
+#include "nouveau_gpio.h"
#include "nv50_display.h"
-static void nv50_gpio_isr(struct drm_device *dev);
-static void nv50_gpio_isr_bh(struct work_struct *work);
-
-struct nv50_gpio_priv {
- struct list_head handlers;
- spinlock_t lock;
-};
-
-struct nv50_gpio_handler {
- struct drm_device *dev;
- struct list_head head;
- struct work_struct work;
- bool inhibit;
-
- struct dcb_gpio_entry *gpio;
-
- void (*handler)(void *data, int state);
- void *data;
-};
-
static int
-nv50_gpio_location(struct dcb_gpio_entry *gpio, uint32_t *reg, uint32_t *shift)
+nv50_gpio_location(int line, u32 *reg, u32 *shift)
{
const uint32_t nv50_gpio_reg[4] = { 0xe104, 0xe108, 0xe280, 0xe284 };
- if (gpio->line >= 32)
+ if (line >= 32)
return -EINVAL;
- *reg = nv50_gpio_reg[gpio->line >> 3];
- *shift = (gpio->line & 7) << 2;
+ *reg = nv50_gpio_reg[line >> 3];
+ *shift = (line & 7) << 2;
return 0;
}
int
-nv50_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag)
+nv50_gpio_drive(struct drm_device *dev, int line, int dir, int out)
{
- struct dcb_gpio_entry *gpio;
- uint32_t r, s, v;
-
- gpio = nouveau_bios_gpio_entry(dev, tag);
- if (!gpio)
- return -ENOENT;
+ u32 reg, shift;
- if (nv50_gpio_location(gpio, &r, &s))
+ if (nv50_gpio_location(line, ®, &shift))
return -EINVAL;
- v = nv_rd32(dev, r) >> (s + 2);
- return ((v & 1) == (gpio->state[1] & 1));
+ nv_mask(dev, reg, 7 << shift, (((dir ^ 1) << 1) | out) << shift);
+ return 0;
}
int
-nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state)
+nv50_gpio_sense(struct drm_device *dev, int line)
{
- struct dcb_gpio_entry *gpio;
- uint32_t r, s, v;
-
- gpio = nouveau_bios_gpio_entry(dev, tag);
- if (!gpio)
- return -ENOENT;
+ u32 reg, shift;
- if (nv50_gpio_location(gpio, &r, &s))
+ if (nv50_gpio_location(line, ®, &shift))
return -EINVAL;
- v = nv_rd32(dev, r) & ~(0x3 << s);
- v |= (gpio->state[state] ^ 2) << s;
- nv_wr32(dev, r, v);
- return 0;
+ return !!(nv_rd32(dev, reg) & (4 << shift));
}
-int
-nvd0_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag)
+void
+nv50_gpio_irq_enable(struct drm_device *dev, int line, bool on)
{
- struct dcb_gpio_entry *gpio;
- u32 v;
-
- gpio = nouveau_bios_gpio_entry(dev, tag);
- if (!gpio)
- return -ENOENT;
+ u32 reg = line < 16 ? 0xe050 : 0xe070;
+ u32 mask = 0x00010001 << (line & 0xf);
- v = nv_rd32(dev, 0x00d610 + (gpio->line * 4));
- v &= 0x00004000;
- return (!!v == (gpio->state[1] & 1));
+ nv_wr32(dev, reg + 4, mask);
+ nv_mask(dev, reg + 0, mask, on ? mask : 0);
}
int
-nvd0_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state)
+nvd0_gpio_drive(struct drm_device *dev, int line, int dir, int out)
{
- struct dcb_gpio_entry *gpio;
- u32 v;
-
- gpio = nouveau_bios_gpio_entry(dev, tag);
- if (!gpio)
- return -ENOENT;
-
- v = gpio->state[state] ^ 2;
-
- nv_mask(dev, 0x00d610 + (gpio->line * 4), 0x00003000, v << 12);
+ u32 data = ((dir ^ 1) << 13) | (out << 12);
+ nv_mask(dev, 0x00d610 + (line * 4), 0x00003000, data);
+ nv_mask(dev, 0x00d604, 0x00000001, 0x00000001); /* update? */
return 0;
}
int
-nv50_gpio_irq_register(struct drm_device *dev, enum dcb_gpio_tag tag,
- void (*handler)(void *, int), void *data)
+nvd0_gpio_sense(struct drm_device *dev, int line)
{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- struct nv50_gpio_priv *priv = pgpio->priv;
- struct nv50_gpio_handler *gpioh;
- struct dcb_gpio_entry *gpio;
- unsigned long flags;
-
- gpio = nouveau_bios_gpio_entry(dev, tag);
- if (!gpio)
- return -ENOENT;
-
- gpioh = kzalloc(sizeof(*gpioh), GFP_KERNEL);
- if (!gpioh)
- return -ENOMEM;
-
- INIT_WORK(&gpioh->work, nv50_gpio_isr_bh);
- gpioh->dev = dev;
- gpioh->gpio = gpio;
- gpioh->handler = handler;
- gpioh->data = data;
-
- spin_lock_irqsave(&priv->lock, flags);
- list_add(&gpioh->head, &priv->handlers);
- spin_unlock_irqrestore(&priv->lock, flags);
- return 0;
+ return !!(nv_rd32(dev, 0x00d610 + (line * 4)) & 0x00004000);
}
-void
-nv50_gpio_irq_unregister(struct drm_device *dev, enum dcb_gpio_tag tag,
- void (*handler)(void *, int), void *data)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- struct nv50_gpio_priv *priv = pgpio->priv;
- struct nv50_gpio_handler *gpioh, *tmp;
- struct dcb_gpio_entry *gpio;
- LIST_HEAD(tofree);
- unsigned long flags;
-
- gpio = nouveau_bios_gpio_entry(dev, tag);
- if (!gpio)
- return;
-
- spin_lock_irqsave(&priv->lock, flags);
- list_for_each_entry_safe(gpioh, tmp, &priv->handlers, head) {
- if (gpioh->gpio != gpio ||
- gpioh->handler != handler ||
- gpioh->data != data)
- continue;
- list_move(&gpioh->head, &tofree);
- }
- spin_unlock_irqrestore(&priv->lock, flags);
-
- list_for_each_entry_safe(gpioh, tmp, &tofree, head) {
- flush_work_sync(&gpioh->work);
- kfree(gpioh);
- }
-}
-
-bool
-nv50_gpio_irq_enable(struct drm_device *dev, enum dcb_gpio_tag tag, bool on)
-{
- struct dcb_gpio_entry *gpio;
- u32 reg, mask;
-
- gpio = nouveau_bios_gpio_entry(dev, tag);
- if (!gpio)
- return false;
-
- reg = gpio->line < 16 ? 0xe050 : 0xe070;
- mask = 0x00010001 << (gpio->line & 0xf);
-
- nv_wr32(dev, reg + 4, mask);
- reg = nv_mask(dev, reg + 0, mask, on ? mask : 0);
- return (reg & mask) == mask;
-}
-
-static int
-nv50_gpio_create(struct drm_device *dev)
+static void
+nv50_gpio_isr(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- struct nv50_gpio_priv *priv;
-
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ u32 intr0, intr1 = 0;
+ u32 hi, lo;
- INIT_LIST_HEAD(&priv->handlers);
- spin_lock_init(&priv->lock);
- pgpio->priv = priv;
- return 0;
-}
+ intr0 = nv_rd32(dev, 0xe054) & nv_rd32(dev, 0xe050);
+ if (dev_priv->chipset >= 0x90)
+ intr1 = nv_rd32(dev, 0xe074) & nv_rd32(dev, 0xe070);
-static void
-nv50_gpio_destroy(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
+ hi = (intr0 & 0x0000ffff) | (intr1 << 16);
+ lo = (intr0 >> 16) | (intr1 & 0xffff0000);
+ nouveau_gpio_isr(dev, 0, hi | lo);
- kfree(pgpio->priv);
- pgpio->priv = NULL;
+ nv_wr32(dev, 0xe054, intr0);
+ if (dev_priv->chipset >= 0x90)
+ nv_wr32(dev, 0xe074, intr1);
}
int
nv50_gpio_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- int ret;
-
- if (!pgpio->priv) {
- ret = nv50_gpio_create(dev);
- if (ret)
- return ret;
- }
/* disable, and ack any pending gpio interrupts */
nv_wr32(dev, 0xe050, 0x00000000);
if (dev_priv->chipset >= 0x90)
nv_wr32(dev, 0xe070, 0x00000000);
nouveau_irq_unregister(dev, 21);
-
- nv50_gpio_destroy(dev);
-}
-
-static void
-nv50_gpio_isr_bh(struct work_struct *work)
-{
- struct nv50_gpio_handler *gpioh =
- container_of(work, struct nv50_gpio_handler, work);
- struct drm_nouveau_private *dev_priv = gpioh->dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- struct nv50_gpio_priv *priv = pgpio->priv;
- unsigned long flags;
- int state;
-
- state = pgpio->get(gpioh->dev, gpioh->gpio->tag);
- if (state < 0)
- return;
-
- gpioh->handler(gpioh->data, state);
-
- spin_lock_irqsave(&priv->lock, flags);
- gpioh->inhibit = false;
- spin_unlock_irqrestore(&priv->lock, flags);
-}
-
-static void
-nv50_gpio_isr(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
- struct nv50_gpio_priv *priv = pgpio->priv;
- struct nv50_gpio_handler *gpioh;
- u32 intr0, intr1 = 0;
- u32 hi, lo, ch;
-
- intr0 = nv_rd32(dev, 0xe054) & nv_rd32(dev, 0xe050);
- if (dev_priv->chipset >= 0x90)
- intr1 = nv_rd32(dev, 0xe074) & nv_rd32(dev, 0xe070);
-
- hi = (intr0 & 0x0000ffff) | (intr1 << 16);
- lo = (intr0 >> 16) | (intr1 & 0xffff0000);
- ch = hi | lo;
-
- nv_wr32(dev, 0xe054, intr0);
- if (dev_priv->chipset >= 0x90)
- nv_wr32(dev, 0xe074, intr1);
-
- spin_lock(&priv->lock);
- list_for_each_entry(gpioh, &priv->handlers, head) {
- if (!(ch & (1 << gpioh->gpio->line)))
- continue;
-
- if (gpioh->inhibit)
- continue;
- gpioh->inhibit = true;
-
- schedule_work(&gpioh->work);
- }
- spin_unlock(&priv->lock);
}
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff