diff options
Diffstat (limited to 'drivers/usb/chipidea')
| -rw-r--r-- | drivers/usb/chipidea/bits.h | 12 | ||||
| -rw-r--r-- | drivers/usb/chipidea/ci.h | 9 | ||||
| -rw-r--r-- | drivers/usb/chipidea/ci_hdrc_imx.c | 19 | ||||
| -rw-r--r-- | drivers/usb/chipidea/ci_hdrc_usb2.c | 25 | ||||
| -rw-r--r-- | drivers/usb/chipidea/core.c | 141 | ||||
| -rw-r--r-- | drivers/usb/chipidea/debug.c | 7 | ||||
| -rw-r--r-- | drivers/usb/chipidea/host.c | 33 | ||||
| -rw-r--r-- | drivers/usb/chipidea/host.h | 6 | ||||
| -rw-r--r-- | drivers/usb/chipidea/otg_fsm.c | 1 | ||||
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 114 | ||||
| -rw-r--r-- | drivers/usb/chipidea/usbmisc_imx.c | 12 |
11 files changed, 296 insertions, 83 deletions
diff --git a/drivers/usb/chipidea/bits.h b/drivers/usb/chipidea/bits.h index 3cb9bda51ddf..e462f55c8b99 100644 --- a/drivers/usb/chipidea/bits.h +++ b/drivers/usb/chipidea/bits.h @@ -25,6 +25,9 @@ #define VERSION (0xF << 25) #define CIVERSION (0x7 << 29) +/* SBUSCFG */ +#define AHBBRST_MASK 0x7 + /* HCCPARAMS */ #define HCCPARAMS_LEN BIT(17) @@ -53,6 +56,15 @@ #define DEVICEADDR_USBADRA BIT(24) #define DEVICEADDR_USBADR (0x7FUL << 25) +/* TTCTRL */ +#define TTCTRL_TTHA_MASK (0x7fUL << 24) +/* Set non-zero value for internal TT Hub address representation */ +#define TTCTRL_TTHA (0x7fUL << 24) + +/* BURSTSIZE */ +#define RX_BURST_MASK 0xff +#define TX_BURST_MASK 0xff00 + /* PORTSC */ #define PORTSC_CCS BIT(0) #define PORTSC_CSC BIT(1) diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index 6d6200e37b71..41d7cf6d63ba 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -50,6 +50,8 @@ enum ci_hw_regs { OP_USBINTR, OP_DEVICEADDR, OP_ENDPTLISTADDR, + OP_TTCTRL, + OP_BURSTSIZE, OP_PORTSC, OP_DEVLC, OP_OTGSC, @@ -406,8 +408,11 @@ static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg, static inline bool ci_otg_is_fsm_mode(struct ci_hdrc *ci) { #ifdef CONFIG_USB_OTG_FSM + struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps; + return ci->is_otg && ci->roles[CI_ROLE_HOST] && - ci->roles[CI_ROLE_GADGET]; + ci->roles[CI_ROLE_GADGET] && (otg_caps->srp_support || + otg_caps->hnp_support || otg_caps->adp_support); #else return false; #endif @@ -426,4 +431,6 @@ u8 hw_port_test_get(struct ci_hdrc *ci); int hw_wait_reg(struct ci_hdrc *ci, enum ci_hw_regs reg, u32 mask, u32 value, unsigned int timeout_ms); +void ci_platform_configure(struct ci_hdrc *ci); + #endif /* __DRIVERS_USB_CHIPIDEA_CI_H */ diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 389f0e034259..dcc50c878159 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -29,26 +29,31 @@ struct ci_hdrc_imx_platform_flag { }; static const struct ci_hdrc_imx_platform_flag imx27_usb_data = { + CI_HDRC_DISABLE_STREAMING, }; static const struct ci_hdrc_imx_platform_flag imx28_usb_data = { .flags = CI_HDRC_IMX28_WRITE_FIX | - CI_HDRC_TURN_VBUS_EARLY_ON, + CI_HDRC_TURN_VBUS_EARLY_ON | + CI_HDRC_DISABLE_STREAMING, }; static const struct ci_hdrc_imx_platform_flag imx6q_usb_data = { .flags = CI_HDRC_SUPPORTS_RUNTIME_PM | - CI_HDRC_TURN_VBUS_EARLY_ON, + CI_HDRC_TURN_VBUS_EARLY_ON | + CI_HDRC_DISABLE_STREAMING, }; static const struct ci_hdrc_imx_platform_flag imx6sl_usb_data = { .flags = CI_HDRC_SUPPORTS_RUNTIME_PM | - CI_HDRC_TURN_VBUS_EARLY_ON, + CI_HDRC_TURN_VBUS_EARLY_ON | + CI_HDRC_DISABLE_HOST_STREAMING, }; static const struct ci_hdrc_imx_platform_flag imx6sx_usb_data = { .flags = CI_HDRC_SUPPORTS_RUNTIME_PM | - CI_HDRC_TURN_VBUS_EARLY_ON, + CI_HDRC_TURN_VBUS_EARLY_ON | + CI_HDRC_DISABLE_HOST_STREAMING, }; static const struct of_device_id ci_hdrc_imx_dt_ids[] = { @@ -56,7 +61,7 @@ static const struct of_device_id ci_hdrc_imx_dt_ids[] = { { .compatible = "fsl,imx27-usb", .data = &imx27_usb_data}, { .compatible = "fsl,imx6q-usb", .data = &imx6q_usb_data}, { .compatible = "fsl,imx6sl-usb", .data = &imx6sl_usb_data}, - { .compatible = "fsl,imx6sx-usb", .data = &imx6sl_usb_data}, + { .compatible = "fsl,imx6sx-usb", .data = &imx6sx_usb_data}, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids); @@ -104,7 +109,7 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev) misc_pdev = of_find_device_by_node(args.np); of_node_put(args.np); - if (!misc_pdev) + if (!misc_pdev || !platform_get_drvdata(misc_pdev)) return ERR_PTR(-EPROBE_DEFER); data->dev = &misc_pdev->dev; @@ -126,7 +131,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) struct ci_hdrc_platform_data pdata = { .name = dev_name(&pdev->dev), .capoffset = DEF_CAPOFFSET, - .flags = CI_HDRC_DISABLE_STREAMING, + .flags = CI_HDRC_SET_NON_ZERO_TTHA, }; int ret; const struct of_device_id *of_id = diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c index 9eae1a16cef9..4456d2cf80ff 100644 --- a/drivers/usb/chipidea/ci_hdrc_usb2.c +++ b/drivers/usb/chipidea/ci_hdrc_usb2.c @@ -12,6 +12,7 @@ #include <linux/dma-mapping.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_platform.h> #include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/usb/chipidea.h> @@ -30,18 +31,36 @@ static const struct ci_hdrc_platform_data ci_default_pdata = { .flags = CI_HDRC_DISABLE_STREAMING, }; +static struct ci_hdrc_platform_data ci_zynq_pdata = { + .capoffset = DEF_CAPOFFSET, +}; + +static const struct of_device_id ci_hdrc_usb2_of_match[] = { + { .compatible = "chipidea,usb2"}, + { .compatible = "xlnx,zynq-usb-2.20a", .data = &ci_zynq_pdata}, + { } +}; +MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match); + static int ci_hdrc_usb2_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ci_hdrc_usb2_priv *priv; struct ci_hdrc_platform_data *ci_pdata = dev_get_platdata(dev); int ret; + const struct of_device_id *match; if (!ci_pdata) { ci_pdata = devm_kmalloc(dev, sizeof(*ci_pdata), GFP_KERNEL); *ci_pdata = ci_default_pdata; /* struct copy */ } + match = of_match_device(ci_hdrc_usb2_of_match, &pdev->dev); + if (match && match->data) { + /* struct copy */ + *ci_pdata = *(struct ci_hdrc_platform_data *)match->data; + } + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -96,12 +115,6 @@ static int ci_hdrc_usb2_remove(struct platform_device *pdev) return 0; } -static const struct of_device_id ci_hdrc_usb2_of_match[] = { - { .compatible = "chipidea,usb2" }, - { } -}; -MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match); - static struct platform_driver ci_hdrc_usb2_driver = { .probe = ci_hdrc_usb2_probe, .remove = ci_hdrc_usb2_remove, diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 74fea4fa41b1..3feebf7f31f0 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -64,6 +64,7 @@ #include <linux/of.h> #include <linux/phy.h> #include <linux/regulator/consumer.h> +#include <linux/usb/ehci_def.h> #include "ci.h" #include "udc.h" @@ -84,6 +85,8 @@ static const u8 ci_regs_nolpm[] = { [OP_USBINTR] = 0x08U, [OP_DEVICEADDR] = 0x14U, [OP_ENDPTLISTADDR] = 0x18U, + [OP_TTCTRL] = 0x1CU, + [OP_BURSTSIZE] = 0x20U, [OP_PORTSC] = 0x44U, [OP_DEVLC] = 0x84U, [OP_OTGSC] = 0x64U, @@ -106,6 +109,8 @@ static const u8 ci_regs_lpm[] = { [OP_USBINTR] = 0x08U, [OP_DEVICEADDR] = 0x14U, [OP_ENDPTLISTADDR] = 0x18U, + [OP_TTCTRL] = 0x1CU, + [OP_BURSTSIZE] = 0x20U, [OP_PORTSC] = 0x44U, [OP_DEVLC] = 0x84U, [OP_OTGSC] = 0xC4U, @@ -118,7 +123,7 @@ static const u8 ci_regs_lpm[] = { [OP_ENDPTCTRL] = 0xECU, }; -static int hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm) +static void hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm) { int i; @@ -134,7 +139,6 @@ static int hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm) ? ci_regs_lpm[OP_ENDPTCTRL] : ci_regs_nolpm[OP_ENDPTCTRL]); - return 0; } static enum ci_revision ci_get_revision(struct ci_hdrc *ci) @@ -403,6 +407,55 @@ static int ci_usb_phy_init(struct ci_hdrc *ci) return ret; } + +/** + * ci_platform_configure: do controller configure + * @ci: the controller + * + */ +void ci_platform_configure(struct ci_hdrc *ci) +{ + bool is_device_mode, is_host_mode; + + is_device_mode = hw_read(ci, OP_USBMODE, USBMODE_CM) == USBMODE_CM_DC; + is_host_mode = hw_read(ci, OP_USBMODE, USBMODE_CM) == USBMODE_CM_HC; + + if (is_device_mode && + (ci->platdata->flags & CI_HDRC_DISABLE_DEVICE_STREAMING)) + hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS); + + if (is_host_mode && + (ci->platdata->flags & CI_HDRC_DISABLE_HOST_STREAMING)) + hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS); + + if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED) { + if (ci->hw_bank.lpm) + hw_write(ci, OP_DEVLC, DEVLC_PFSC, DEVLC_PFSC); + else + hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC); + } + + if (ci->platdata->flags & CI_HDRC_SET_NON_ZERO_TTHA) + hw_write(ci, OP_TTCTRL, TTCTRL_TTHA_MASK, TTCTRL_TTHA); + + hw_write(ci, OP_USBCMD, 0xff0000, ci->platdata->itc_setting << 16); + + if (ci->platdata->flags & CI_HDRC_OVERRIDE_AHB_BURST) + hw_write_id_reg(ci, ID_SBUSCFG, AHBBRST_MASK, + ci->platdata->ahb_burst_config); + + /* override burst size, take effect only when ahb_burst_config is 0 */ + if (!hw_read_id_reg(ci, ID_SBUSCFG, AHBBRST_MASK)) { + if (ci->platdata->flags & CI_HDRC_OVERRIDE_TX_BURST) + hw_write(ci, OP_BURSTSIZE, TX_BURST_MASK, + ci->platdata->tx_burst_size << __ffs(TX_BURST_MASK)); + + if (ci->platdata->flags & CI_HDRC_OVERRIDE_RX_BURST) + hw_write(ci, OP_BURSTSIZE, RX_BURST_MASK, + ci->platdata->rx_burst_size); + } +} + /** * hw_controller_reset: do controller reset * @ci: the controller @@ -447,16 +500,6 @@ int hw_device_reset(struct ci_hdrc *ci) ci->platdata->notify_event(ci, CI_HDRC_CONTROLLER_RESET_EVENT); - if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING) - hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS); - - if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED) { - if (ci->hw_bank.lpm) - hw_write(ci, OP_DEVLC, DEVLC_PFSC, DEVLC_PFSC); - else - hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC); - } - /* USBMODE should be configured step by step */ hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_IDLE); hw_write(ci, OP_USBMODE, USBMODE_CM, USBMODE_CM_DC); @@ -469,6 +512,8 @@ int hw_device_reset(struct ci_hdrc *ci) return -ENODEV; } + ci_platform_configure(ci); + return 0; } @@ -560,6 +605,8 @@ static irqreturn_t ci_irq(int irq, void *data) static int ci_get_platdata(struct device *dev, struct ci_hdrc_platform_data *platdata) { + int ret; + if (!platdata->phy_mode) platdata->phy_mode = of_usb_get_phy_mode(dev->of_node); @@ -588,9 +635,66 @@ static int ci_get_platdata(struct device *dev, of_usb_host_tpl_support(dev->of_node); } + if (platdata->dr_mode == USB_DR_MODE_OTG) { + /* We can support HNP and SRP of OTG 2.0 */ + platdata->ci_otg_caps.otg_rev = 0x0200; + platdata->ci_otg_caps.hnp_support = true; + platdata->ci_otg_caps.srp_support = true; + + /* Update otg capabilities by DT properties */ + ret = of_usb_update_otg_caps(dev->of_node, + &platdata->ci_otg_caps); + if (ret) + return ret; + } + if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL) platdata->flags |= CI_HDRC_FORCE_FULLSPEED; + platdata->itc_setting = 1; + if (of_find_property(dev->of_node, "itc-setting", NULL)) { + ret = of_property_read_u32(dev->of_node, "itc-setting", + &platdata->itc_setting); + if (ret) { + dev_err(dev, + "failed to get itc-setting\n"); + return ret; + } + } + + if (of_find_property(dev->of_node, "ahb-burst-config", NULL)) { + ret = of_property_read_u32(dev->of_node, "ahb-burst-config", + &platdata->ahb_burst_config); + if (ret) { + dev_err(dev, + "failed to get ahb-burst-config\n"); + return ret; + } + platdata->flags |= CI_HDRC_OVERRIDE_AHB_BURST; + } + + if (of_find_property(dev->of_node, "tx-burst-size-dword", NULL)) { + ret = of_property_read_u32(dev->of_node, "tx-burst-size-dword", + &platdata->tx_burst_size); + if (ret) { + dev_err(dev, + "failed to get tx-burst-size-dword\n"); + return ret; + } + platdata->flags |= CI_HDRC_OVERRIDE_TX_BURST; + } + + if (of_find_property(dev->of_node, "rx-burst-size-dword", NULL)) { + ret = of_property_read_u32(dev->of_node, "rx-burst-size-dword", + &platdata->rx_burst_size); + if (ret) { + dev_err(dev, + "failed to get rx-burst-size-dword\n"); + return ret; + } + platdata->flags |= CI_HDRC_OVERRIDE_RX_BURST; + } + return 0; } @@ -1024,7 +1128,18 @@ static struct platform_driver ci_hdrc_driver = { }, }; -module_platform_driver(ci_hdrc_driver); +static int __init ci_hdrc_platform_register(void) +{ + ci_hdrc_host_driver_init(); + return platform_driver_register(&ci_hdrc_driver); +} +module_init(ci_hdrc_platform_register); + +static void __exit ci_hdrc_platform_unregister(void) +{ + platform_driver_unregister(&ci_hdrc_driver); +} +module_exit(ci_hdrc_platform_unregister); MODULE_ALIAS("platform:ci_hdrc"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index 5b7061a33103..080b7be3daf0 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -10,6 +10,7 @@ #include <linux/usb/phy.h> #include <linux/usb/otg.h> #include <linux/usb/otg-fsm.h> +#include <linux/usb/chipidea.h> #include "ci.h" #include "udc.h" @@ -66,9 +67,11 @@ static int ci_port_test_show(struct seq_file *s, void *data) unsigned long flags; unsigned mode; + pm_runtime_get_sync(ci->dev); spin_lock_irqsave(&ci->lock, flags); mode = hw_port_test_get(ci); spin_unlock_irqrestore(&ci->lock, flags); + pm_runtime_put_sync(ci->dev); seq_printf(s, "mode = %u\n", mode); @@ -98,9 +101,11 @@ static ssize_t ci_port_test_write(struct file *file, const char __user *ubuf, if (sscanf(buf, "%u", &mode) != 1) return -EINVAL; + pm_runtime_get_sync(ci->dev); spin_lock_irqsave(&ci->lock, flags); ret = hw_port_test_set(ci, mode); spin_unlock_irqrestore(&ci->lock, flags); + pm_runtime_put_sync(ci->dev); return ret ? ret : count; } @@ -316,8 +321,10 @@ static ssize_t ci_role_write(struct file *file, const char __user *ubuf, if (role == CI_ROLE_END || role == ci->role) return -EINVAL; + pm_runtime_get_sync(ci->dev); ci_role_stop(ci); ret = ci_role_start(ci, role); + pm_runtime_put_sync(ci->dev); return ret ? ret : count; } diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 6cf87b8b13a8..3d24304405b3 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -37,15 +37,14 @@ static int (*orig_bus_suspend)(struct usb_hcd *hcd); struct ehci_ci_priv { struct regulator *reg_vbus; - struct ci_hdrc *ci; }; static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); struct ehci_ci_priv *priv = (struct ehci_ci_priv *)ehci->priv; - struct ci_hdrc *ci = priv->ci; struct device *dev = hcd->self.controller; + struct ci_hdrc *ci = dev_get_drvdata(dev); int ret = 0; int port = HCS_N_PORTS(ehci->hcs_params); @@ -78,9 +77,25 @@ static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable) return 0; }; +static int ehci_ci_reset(struct usb_hcd *hcd) +{ + struct device *dev = hcd->self.controller; + struct ci_hdrc *ci = dev_get_drvdata(dev); + int ret; + + ret = ehci_setup(hcd); + if (ret) + return ret; + + ci_platform_configure(ci); + + return ret; +} + static const struct ehci_driver_overrides ehci_ci_overrides = { .extra_priv_size = sizeof(struct ehci_ci_priv), .port_power = ehci_ci_portpower, + .reset = ehci_ci_reset, }; static irqreturn_t host_irq(struct ci_hdrc *ci) @@ -123,7 +138,6 @@ static int host_start(struct ci_hdrc *ci) priv = (struct ehci_ci_priv *)ehci->priv; priv->reg_vbus = NULL; - priv->ci = ci; if (ci->platdata->reg_vbus && !ci_otg_is_fsm_mode(ci)) { if (ci->platdata->flags & CI_HDRC_TURN_VBUS_EARLY_ON) { @@ -153,12 +167,6 @@ static int host_start(struct ci_hdrc *ci) } } - if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING) - hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS); - - if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED) - hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC); - return ret; disable_reg: @@ -249,9 +257,12 @@ int ci_hdrc_host_init(struct ci_hdrc *ci) rdrv->name = "host"; ci->roles[CI_ROLE_HOST] = rdrv; + return 0; +} + +void ci_hdrc_host_driver_init(void) +{ ehci_init_driver(&ci_ehci_hc_driver, &ehci_ci_overrides); orig_bus_suspend = ci_ehci_hc_driver.bus_suspend; ci_ehci_hc_driver.bus_suspend = ci_ehci_bus_suspend; - - return 0; } diff --git a/drivers/usb/chipidea/host.h b/drivers/usb/chipidea/host.h index 5707bf379bfb..0f12f131bdd3 100644 --- a/drivers/usb/chipidea/host.h +++ b/drivers/usb/chipidea/host.h @@ -5,6 +5,7 @@ int ci_hdrc_host_init(struct ci_hdrc *ci); void ci_hdrc_host_destroy(struct ci_hdrc *ci); +void ci_hdrc_host_driver_init(void); #else @@ -18,6 +19,11 @@ static inline void ci_hdrc_host_destroy(struct ci_hdrc *ci) } +static void ci_hdrc_host_driver_init(void) +{ + +} + #endif #endif /* __DRIVERS_USB_CHIPIDEA_HOST_H */ diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c index 19d655a743b5..00ab59d45da1 100644 --- a/drivers/usb/chipidea/otg_fsm.c +++ b/drivers/usb/chipidea/otg_fsm.c @@ -525,7 +525,6 @@ static int ci_otg_start_host(struct otg_fsm *fsm, int on) ci_role_start(ci, CI_ROLE_HOST); } else { ci_role_stop(ci); - hw_device_reset(ci); ci_role_start(ci, CI_ROLE_GADGET); } return 0; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 764f668d45a9..8223fe73ea85 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -445,7 +445,7 @@ static int _hardware_enqueue(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq) rest -= count; } - if (hwreq->req.zero && hwreq->req.length + if (hwreq->req.zero && hwreq->req.length && hwep->dir == TX && (hwreq->req.length % hwep->ep.maxpacket == 0)) add_td_to_list(hwep, hwreq, 0); @@ -656,6 +656,44 @@ __acquires(hwep->lock) return 0; } +static int _ep_set_halt(struct usb_ep *ep, int value, bool check_transfer) +{ + struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep); + int direction, retval = 0; + unsigned long flags; + + if (ep == NULL || hwep->ep.desc == NULL) + return -EINVAL; + + if (usb_endpoint_xfer_isoc(hwep->ep.desc)) + return -EOPNOTSUPP; + + spin_lock_irqsave(hwep->lock, flags); + + if (value && hwep->dir == TX && check_transfer && + !list_empty(&hwep->qh.queue) && + !usb_endpoint_xfer_control(hwep->ep.desc)) { + spin_unlock_irqrestore(hwep->lock, flags); + return -EAGAIN; + } + + direction = hwep->dir; + do { + retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value); + + if (!value) + hwep->wedge = 0; + + if (hwep->type == USB_ENDPOINT_XFER_CONTROL) + hwep->dir = (hwep->dir == TX) ? RX : TX; + + } while (hwep->dir != direction); + + spin_unlock_irqrestore(hwep->lock, flags); + return retval; +} + + /** * _gadget_stop_activity: stops all USB activity, flushes & disables all endpts * @gadget: gadget @@ -1051,7 +1089,7 @@ __acquires(ci->lock) num += ci->hw_ep_max / 2; spin_unlock(&ci->lock); - err = usb_ep_set_halt(&ci->ci_hw_ep[num].ep); + err = _ep_set_halt(&ci->ci_hw_ep[num].ep, 1, false); spin_lock(&ci->lock); if (!err) isr_setup_status_phase(ci); @@ -1090,6 +1128,13 @@ __acquires(ci->lock) if (ci_otg_is_fsm_mode(ci)) err = otg_a_alt_hnp_support(ci); break; + case USB_DEVICE_A_HNP_SUPPORT: + if (ci_otg_is_fsm_mode(ci)) { + ci->gadget.a_hnp_support = 1; + err = isr_setup_status_phase( + ci); + } + break; default: goto delegate; } @@ -1110,8 +1155,8 @@ delegate: if (err < 0) { spin_unlock(&ci->lock); - if (usb_ep_set_halt(&hwep->ep)) - dev_err(ci->dev, "error: ep_set_halt\n"); + if (_ep_set_halt(&hwep->ep, 1, false)) + dev_err(ci->dev, "error: _ep_set_halt\n"); spin_lock(&ci->lock); } } @@ -1142,9 +1187,9 @@ __acquires(ci->lock) err = isr_setup_status_phase(ci); if (err < 0) { spin_unlock(&ci->lock); - if (usb_ep_set_halt(&hwep->ep)) + if (_ep_set_halt(&hwep->ep, 1, false)) dev_err(ci->dev, - "error: ep_set_halt\n"); + "error: _ep_set_halt\n"); spin_lock(&ci->lock); } } @@ -1390,41 +1435,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) */ static int ep_set_halt(struct usb_ep *ep, int value) { - struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep); - int direction, retval = 0; - unsigned long flags; - - if (ep == NULL || hwep->ep.desc == NULL) - return -EINVAL; - - if (usb_endpoint_xfer_isoc(hwep->ep.desc)) - return -EOPNOTSUPP; - - spin_lock_irqsave(hwep->lock, flags); - -#ifndef STALL_IN - /* g_file_storage MS compliant but g_zero fails chapter 9 compliance */ - if (value && hwep->type == USB_ENDPOINT_XFER_BULK && hwep->dir == TX && - !list_empty(&hwep->qh.queue)) { - spin_unlock_irqrestore(hwep->lock, flags); - return -EAGAIN; - } -#endif - - direction = hwep->dir; - do { - retval |= hw_ep_set_halt(hwep->ci, hwep->num, hwep->dir, value); - - if (!value) - hwep->wedge = 0; - - if (hwep->type == USB_ENDPOINT_XFER_CONTROL) - hwep->dir = (hwep->dir == TX) ? RX : TX; - - } while (hwep->dir != direction); - - spin_unlock_irqrestore(hwep->lock, flags); - return retval; + return _ep_set_halt(ep, value, true); } /** @@ -1624,6 +1635,20 @@ static int init_eps(struct ci_hdrc *ci) hwep->ep.name = hwep->name; hwep->ep.ops = &usb_ep_ops; + + if (i == 0) { + hwep->ep.caps.type_control = true; + } else { + hwep->ep.caps.type_iso = true; + hwep->ep.caps.type_bulk = true; + hwep->ep.caps.type_int = true; + } + + if (j == TX) + hwep->ep.caps.dir_in = true; + else + hwep->ep.caps.dir_out = true; + /* * for ep0: maxP defined in desc, for other * eps, maxP is set by epautoconfig() called @@ -1827,6 +1852,7 @@ static irqreturn_t udc_irq(struct ci_hdrc *ci) static int udc_start(struct ci_hdrc *ci) { struct device *dev = ci->dev; + struct usb_otg_caps *otg_caps = &ci->platdata->ci_otg_caps; int retval = 0; spin_lock_init(&ci->lock); @@ -1834,8 +1860,12 @@ static int udc_start(struct ci_hdrc *ci) ci->gadget.ops = &usb_gadget_ops; ci->gadget.speed = USB_SPEED_UNKNOWN; ci->gadget.max_speed = USB_SPEED_HIGH; - ci->gadget.is_otg = ci->is_otg ? 1 : 0; ci->gadget.name = ci->platdata->name; + ci->gadget.otg_caps = otg_caps; + + if (ci->is_otg && (otg_caps->hnp_support || otg_caps->srp_support || + otg_caps->adp_support)) + ci->gadget.is_otg = 1; INIT_LIST_HEAD(&ci->gadget.ep_list); diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index 3cefd49ddb00..5ddab30ee240 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -54,6 +54,7 @@ #define MX53_USB_PHYCTRL1_PLLDIV_MASK 0x3 #define MX53_USB_PLL_DIV_24_MHZ 0x01 +#define MX6_BM_NON_BURST_SETTING BIT(1) #define MX6_BM_OVER_CUR_DIS BIT(7) #define MX6_BM_WAKEUP_ENABLE BIT(10) #define MX6_BM_ID_WAKEUP BIT(16) @@ -255,14 +256,21 @@ static int usbmisc_imx6q_init(struct imx_usbmisc_data *data) if (data->index > 3) return -EINVAL; + spin_lock_irqsave(&usbmisc->lock, flags); + if (data->disable_oc) { - spin_lock_irqsave(&usbmisc->lock, flags); reg = readl(usbmisc->base + data->index * 4); writel(reg | MX6_BM_OVER_CUR_DIS, usbmisc->base + data->index * 4); - spin_unlock_irqrestore(&usbmisc->lock, flags); } + /* SoC non-burst setting */ + reg = readl(usbmisc->base + data->index * 4); + writel(reg | MX6_BM_NON_BURST_SETTING, + usbmisc->base + data->index * 4); + + spin_unlock_irqrestore(&usbmisc->lock, flags); + usbmisc_imx6q_set_wakeup(data, false); return 0; |