From ee2e013131dcf6427334663662dbe760ccdba735 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 26 Jul 2010 09:28:25 +1000 Subject: [PATCH] drm/nouveau: introduce gpio engine Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/Makefile | 2 +- drivers/gpu/drm/nouveau/nouveau_bios.c | 3 +- drivers/gpu/drm/nouveau/nouveau_dp.c | 6 ++- drivers/gpu/drm/nouveau/nouveau_drv.h | 18 ++++++-- drivers/gpu/drm/nouveau/nouveau_state.c | 41 ++++++++++++++++++- drivers/gpu/drm/nouveau/nv04_dac.c | 13 +++--- .../drm/nouveau/{nv17_gpio.c => nv10_gpio.c} | 4 +- drivers/gpu/drm/nouveau/nv17_tv.c | 19 +++++---- drivers/gpu/drm/nouveau/nv50_display.c | 3 +- drivers/gpu/drm/nouveau/nv50_gpio.c | 16 ++++++++ drivers/gpu/drm/nouveau/nv50_mc.c | 13 ------ 11 files changed, 100 insertions(+), 38 deletions(-) rename drivers/gpu/drm/nouveau/{nv17_gpio.c => nv10_gpio.c} (95%) diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index b6ed6051ed3f..2405d5ef0ca7 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -22,7 +22,7 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \ nv50_cursor.o nv50_display.o nv50_fbcon.o \ nv04_dac.o nv04_dfp.o nv04_tv.o nv17_tv.o nv17_tv_modes.o \ nv04_crtc.o nv04_display.o nv04_cursor.o nv04_fbcon.o \ - nv17_gpio.o nv50_gpio.o \ + nv10_gpio.o nv50_gpio.o \ nv50_calc.o nouveau-$(CONFIG_DRM_NOUVEAU_DEBUG) += nouveau_debugfs.o diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 40231cea465e..b59f348f14fc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -3136,6 +3136,7 @@ init_gpio(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) */ struct drm_nouveau_private *dev_priv = bios->dev->dev_private; + struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio; const uint32_t nv50_gpio_ctl[2] = { 0xe100, 0xe28c }; int i; @@ -3156,7 +3157,7 @@ init_gpio(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) BIOSLOG(bios, "0x%04X: set gpio 0x%02x, state %d\n", offset, gpio->tag, gpio->state_default); if (bios->execute) - nv50_gpio_set(bios->dev, gpio->tag, gpio->state_default); + pgpio->set(bios->dev, gpio->tag, gpio->state_default); /* The NVIDIA binary driver doesn't appear to actually do * any of this, my VBIOS does however. diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index 64b43958e582..33742b11188b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -272,6 +272,8 @@ bool nouveau_dp_link_train(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio; struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct nouveau_connector *nv_connector; struct bit_displayport_encoder_table *dpe; @@ -295,7 +297,7 @@ nouveau_dp_link_train(struct drm_encoder *encoder) /* disable hotplug detect, this flips around on some panels during * link training. */ - nv50_gpio_irq_enable(dev, nv_connector->dcb->gpio_tag, false); + pgpio->irq_enable(dev, nv_connector->dcb->gpio_tag, false); if (dpe->script0) { NV_DEBUG_KMS(dev, "SOR-%d: running DP script 0\n", nv_encoder->or); @@ -436,7 +438,7 @@ nouveau_dp_link_train(struct drm_encoder *encoder) } /* re-enable hotplug detect */ - nv50_gpio_irq_enable(dev, nv_connector->dcb->gpio_tag, true); + pgpio->irq_enable(dev, nv_connector->dcb->gpio_tag, true); return eq_done; } diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 0687e6ab9187..d0a35d9ba522 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -359,6 +359,16 @@ struct nouveau_display_engine { void (*destroy)(struct drm_device *); }; +struct nouveau_gpio_engine { + 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); + + void (*irq_enable)(struct drm_device *, enum dcb_gpio_tag, bool on); +}; + struct nouveau_engine { struct nouveau_instmem_engine instmem; struct nouveau_mc_engine mc; @@ -367,6 +377,7 @@ struct nouveau_engine { struct nouveau_pgraph_engine graph; struct nouveau_fifo_engine fifo; struct nouveau_display_engine display; + struct nouveau_gpio_engine gpio; }; struct nouveau_pll_vals { @@ -1149,11 +1160,12 @@ extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *, extern int nouveau_gem_ioctl_info(struct drm_device *, void *, struct drm_file *); -/* nv17_gpio.c */ -int nv17_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag); -int nv17_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state); +/* 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); /* nv50_gpio.c */ +int nv50_gpio_init(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); void nv50_gpio_irq_enable(struct drm_device *, enum dcb_gpio_tag, bool on); diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 17176ad5b22a..ee3729e7823b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -38,6 +38,7 @@ #include "nv50_display.h" static void nouveau_stub_takedown(struct drm_device *dev) {} +static int nouveau_stub_init(struct drm_device *dev) { return 0; } static int nouveau_init_engine_ptrs(struct drm_device *dev) { @@ -89,6 +90,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->display.create = nv04_display_create; engine->display.init = nv04_display_init; engine->display.destroy = nv04_display_destroy; + 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; break; case 0x10: engine->instmem.init = nv04_instmem_init; @@ -136,6 +142,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->display.create = nv04_display_create; engine->display.init = nv04_display_init; engine->display.destroy = nv04_display_destroy; + 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; break; case 0x20: engine->instmem.init = nv04_instmem_init; @@ -183,6 +194,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->display.create = nv04_display_create; engine->display.init = nv04_display_init; engine->display.destroy = nv04_display_destroy; + 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; break; case 0x30: engine->instmem.init = nv04_instmem_init; @@ -230,6 +246,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->display.create = nv04_display_create; engine->display.init = nv04_display_init; engine->display.destroy = nv04_display_destroy; + 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; break; case 0x40: case 0x60: @@ -278,6 +299,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->display.create = nv04_display_create; engine->display.init = nv04_display_init; engine->display.destroy = nv04_display_destroy; + 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; break; case 0x50: case 0x80: /* gotta love NVIDIA's consistency.. */ @@ -327,6 +353,11 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->display.create = nv50_display_create; engine->display.init = nv50_display_init; engine->display.destroy = nv50_display_destroy; + 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_enable = nv50_gpio_irq_enable; break; default: NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset); @@ -485,10 +516,15 @@ nouveau_card_init(struct drm_device *dev) if (ret) goto out_gpuobj; + /* PGPIO */ + ret = engine->gpio.init(dev); + if (ret) + goto out_mc; + /* PTIMER */ ret = engine->timer.init(dev); if (ret) - goto out_mc; + goto out_gpio; /* PFB */ ret = engine->fb.init(dev); @@ -554,6 +590,8 @@ nouveau_card_init(struct drm_device *dev) engine->fb.takedown(dev); out_timer: engine->timer.takedown(dev); +out_gpio: + engine->gpio.takedown(dev); out_mc: engine->mc.takedown(dev); out_gpuobj: @@ -592,6 +630,7 @@ static void nouveau_card_takedown(struct drm_device *dev) } engine->fb.takedown(dev); engine->timer.takedown(dev); + engine->gpio.takedown(dev); engine->mc.takedown(dev); engine->display.late_takedown(dev); diff --git a/drivers/gpu/drm/nouveau/nv04_dac.c b/drivers/gpu/drm/nouveau/nv04_dac.c index 2d0fee5f09ce..ea3627041ecf 100644 --- a/drivers/gpu/drm/nouveau/nv04_dac.c +++ b/drivers/gpu/drm/nouveau/nv04_dac.c @@ -220,6 +220,7 @@ uint32_t nv17_dac_sample_load(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, @@ -251,11 +252,11 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder) nvWriteMC(dev, NV_PBUS_POWERCTRL_4, saved_powerctrl_4 & 0xffffffcf); } - saved_gpio1 = nv17_gpio_get(dev, DCB_GPIO_TVDAC1); - saved_gpio0 = nv17_gpio_get(dev, DCB_GPIO_TVDAC0); + saved_gpio1 = gpio->get(dev, DCB_GPIO_TVDAC1); + saved_gpio0 = gpio->get(dev, DCB_GPIO_TVDAC0); - nv17_gpio_set(dev, DCB_GPIO_TVDAC1, dcb->type == OUTPUT_TV); - nv17_gpio_set(dev, DCB_GPIO_TVDAC0, dcb->type == OUTPUT_TV); + gpio->set(dev, DCB_GPIO_TVDAC1, dcb->type == OUTPUT_TV); + gpio->set(dev, DCB_GPIO_TVDAC0, dcb->type == OUTPUT_TV); msleep(4); @@ -303,8 +304,8 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder) nvWriteMC(dev, NV_PBUS_POWERCTRL_4, saved_powerctrl_4); nvWriteMC(dev, NV_PBUS_POWERCTRL_2, saved_powerctrl_2); - nv17_gpio_set(dev, DCB_GPIO_TVDAC1, saved_gpio1); - nv17_gpio_set(dev, DCB_GPIO_TVDAC0, saved_gpio0); + gpio->set(dev, DCB_GPIO_TVDAC1, saved_gpio1); + gpio->set(dev, DCB_GPIO_TVDAC0, saved_gpio0); return sample; } diff --git a/drivers/gpu/drm/nouveau/nv17_gpio.c b/drivers/gpu/drm/nouveau/nv10_gpio.c similarity index 95% rename from drivers/gpu/drm/nouveau/nv17_gpio.c rename to drivers/gpu/drm/nouveau/nv10_gpio.c index 2e58c331e9b7..007fc29e2f86 100644 --- a/drivers/gpu/drm/nouveau/nv17_gpio.c +++ b/drivers/gpu/drm/nouveau/nv10_gpio.c @@ -55,7 +55,7 @@ get_gpio_location(struct dcb_gpio_entry *ent, uint32_t *reg, uint32_t *shift, } int -nv17_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag) +nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag) { struct dcb_gpio_entry *ent = nouveau_bios_gpio_entry(dev, tag); uint32_t reg, shift, mask, value; @@ -72,7 +72,7 @@ nv17_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag) } int -nv17_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state) +nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state) { struct dcb_gpio_entry *ent = nouveau_bios_gpio_entry(dev, tag); uint32_t reg, shift, mask, value; diff --git a/drivers/gpu/drm/nouveau/nv17_tv.c b/drivers/gpu/drm/nouveau/nv17_tv.c index bb3a284c31e5..44fefb0c7083 100644 --- a/drivers/gpu/drm/nouveau/nv17_tv.c +++ b/drivers/gpu/drm/nouveau/nv17_tv.c @@ -37,6 +37,7 @@ static uint32_t nv42_tv_sample_load(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; 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; @@ -52,8 +53,8 @@ static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder) head = (dacclk & 0x100) >> 8; /* Save the previous state. */ - gpio1 = nv17_gpio_get(dev, DCB_GPIO_TVDAC1); - gpio0 = nv17_gpio_get(dev, DCB_GPIO_TVDAC0); + gpio1 = gpio->get(dev, DCB_GPIO_TVDAC1); + gpio0 = gpio->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); @@ -64,8 +65,8 @@ static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder) ctv_6c = NVReadRAMDAC(dev, head, 0x680c6c); /* Prepare the DAC for load detection. */ - nv17_gpio_set(dev, DCB_GPIO_TVDAC1, true); - nv17_gpio_set(dev, DCB_GPIO_TVDAC0, true); + gpio->set(dev, DCB_GPIO_TVDAC1, true); + gpio->set(dev, DCB_GPIO_TVDAC0, true); NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HTOTAL, 1343); NVWriteRAMDAC(dev, head, NV_PRAMDAC_FP_HSYNC_START, 1047); @@ -110,8 +111,8 @@ static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder) 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); - nv17_gpio_set(dev, DCB_GPIO_TVDAC1, gpio1); - nv17_gpio_set(dev, DCB_GPIO_TVDAC0, gpio0); + gpio->set(dev, DCB_GPIO_TVDAC1, gpio1); + gpio->set(dev, DCB_GPIO_TVDAC0, gpio0); return sample; } @@ -335,6 +336,8 @@ static bool nv17_tv_mode_fixup(struct drm_encoder *encoder, 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); @@ -359,8 +362,8 @@ static void nv17_tv_dpms(struct drm_encoder *encoder, int mode) nv_load_ptv(dev, regs, 200); - nv17_gpio_set(dev, DCB_GPIO_TVDAC1, mode == DRM_MODE_DPMS_ON); - nv17_gpio_set(dev, DCB_GPIO_TVDAC0, mode == DRM_MODE_DPMS_ON); + gpio->set(dev, DCB_GPIO_TVDAC1, mode == DRM_MODE_DPMS_ON); + gpio->set(dev, DCB_GPIO_TVDAC0, mode == DRM_MODE_DPMS_ON); nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON); } diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 13a448985637..0ab868722114 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -193,6 +193,7 @@ nv50_display_init(struct drm_device *dev) { 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 nouveau_channel *evo = dev_priv->evo; struct drm_connector *connector; uint32_t val, ram_amount; @@ -379,7 +380,7 @@ nv50_display_init(struct drm_device *dev) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct nouveau_connector *conn = nouveau_connector(connector); - nv50_gpio_irq_enable(dev, conn->dcb->gpio_tag, true); + pgpio->irq_enable(dev, conn->dcb->gpio_tag, true); } return 0; diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c index 88715c5003c1..b2fab2bf3d61 100644 --- a/drivers/gpu/drm/nouveau/nv50_gpio.c +++ b/drivers/gpu/drm/nouveau/nv50_gpio.c @@ -93,3 +93,19 @@ nv50_gpio_irq_enable(struct drm_device *dev, enum dcb_gpio_tag tag, bool on) nv_wr32(dev, reg + 4, mask); nv_mask(dev, reg + 0, mask, on ? mask : 0); } + +int +nv50_gpio_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + /* disable, and ack any pending gpio interrupts */ + nv_wr32(dev, 0xe050, 0x00000000); + nv_wr32(dev, 0xe054, 0xffffffff); + if (dev_priv->chipset >= 0x90) { + nv_wr32(dev, 0xe070, 0x00000000); + nv_wr32(dev, 0xe074, 0xffffffff); + } + + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nv50_mc.c b/drivers/gpu/drm/nouveau/nv50_mc.c index f680e8e121b1..e0a9c3faa202 100644 --- a/drivers/gpu/drm/nouveau/nv50_mc.c +++ b/drivers/gpu/drm/nouveau/nv50_mc.c @@ -31,20 +31,7 @@ int nv50_mc_init(struct drm_device *dev) { - struct drm_nouveau_private *dev_priv = dev->dev_private; - nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF); - - /* disable, and ack any pending gpio interrupts - * XXX doesn't technically belong here, but it'll do for the moment - */ - nv_wr32(dev, 0xe050, 0x00000000); - nv_wr32(dev, 0xe054, 0xffffffff); - if (dev_priv->chipset >= 0x90) { - nv_wr32(dev, 0xe070, 0x00000000); - nv_wr32(dev, 0xe074, 0xffffffff); - } - return 0; } -- GitLab