Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2005-2007 by Texas Instruments |
| 3 | * Some code has been taken from tusb6010.c |
| 4 | * Copyrights for that are attributable to: |
| 5 | * Copyright (C) 2006 Nokia Corporation |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 6 | * Tony Lindgren <tony@atomide.com> |
| 7 | * |
| 8 | * This file is part of the Inventra Controller Driver for Linux. |
| 9 | * |
| 10 | * The Inventra Controller Driver for Linux is free software; you |
| 11 | * can redistribute it and/or modify it under the terms of the GNU |
| 12 | * General Public License version 2 as published by the Free Software |
| 13 | * Foundation. |
| 14 | * |
| 15 | * The Inventra Controller Driver for Linux is distributed in |
| 16 | * the hope that it will be useful, but WITHOUT ANY WARRANTY; |
| 17 | * without even the implied warranty of MERCHANTABILITY or |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| 19 | * License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with The Inventra Controller Driver for Linux ; if not, |
| 23 | * write to the Free Software Foundation, Inc., 59 Temple Place, |
| 24 | * Suite 330, Boston, MA 02111-1307 USA |
| 25 | * |
| 26 | */ |
| 27 | #include <linux/module.h> |
| 28 | #include <linux/kernel.h> |
| 29 | #include <linux/sched.h> |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 30 | #include <linux/init.h> |
| 31 | #include <linux/list.h> |
| 32 | #include <linux/clk.h> |
| 33 | #include <linux/io.h> |
| 34 | |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 35 | #include "musb_core.h" |
| 36 | #include "omap2430.h" |
| 37 | |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 38 | static struct timer_list musb_idle_timer; |
| 39 | |
| 40 | static void musb_do_idle(unsigned long _musb) |
| 41 | { |
| 42 | struct musb *musb = (void *)_musb; |
| 43 | unsigned long flags; |
Ajay Kumar Gupta | eef767b | 2008-10-29 15:10:38 +0200 | [diff] [blame] | 44 | #ifdef CONFIG_USB_MUSB_HDRC_HCD |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 45 | u8 power; |
Ajay Kumar Gupta | eef767b | 2008-10-29 15:10:38 +0200 | [diff] [blame] | 46 | #endif |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 47 | u8 devctl; |
| 48 | |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 49 | spin_lock_irqsave(&musb->lock, flags); |
| 50 | |
David Brownell | 71783e0 | 2008-11-24 13:06:49 +0200 | [diff] [blame] | 51 | devctl = musb_readb(musb->mregs, MUSB_DEVCTL); |
| 52 | |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 53 | switch (musb->xceiv->state) { |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 54 | case OTG_STATE_A_WAIT_BCON: |
| 55 | devctl &= ~MUSB_DEVCTL_SESSION; |
| 56 | musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); |
| 57 | |
| 58 | devctl = musb_readb(musb->mregs, MUSB_DEVCTL); |
| 59 | if (devctl & MUSB_DEVCTL_BDEVICE) { |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 60 | musb->xceiv->state = OTG_STATE_B_IDLE; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 61 | MUSB_DEV_MODE(musb); |
| 62 | } else { |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 63 | musb->xceiv->state = OTG_STATE_A_IDLE; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 64 | MUSB_HST_MODE(musb); |
| 65 | } |
| 66 | break; |
| 67 | #ifdef CONFIG_USB_MUSB_HDRC_HCD |
| 68 | case OTG_STATE_A_SUSPEND: |
| 69 | /* finish RESUME signaling? */ |
| 70 | if (musb->port1_status & MUSB_PORT_STAT_RESUME) { |
| 71 | power = musb_readb(musb->mregs, MUSB_POWER); |
| 72 | power &= ~MUSB_POWER_RESUME; |
| 73 | DBG(1, "root port resume stopped, power %02x\n", power); |
| 74 | musb_writeb(musb->mregs, MUSB_POWER, power); |
| 75 | musb->is_active = 1; |
| 76 | musb->port1_status &= ~(USB_PORT_STAT_SUSPEND |
| 77 | | MUSB_PORT_STAT_RESUME); |
| 78 | musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16; |
| 79 | usb_hcd_poll_rh_status(musb_to_hcd(musb)); |
| 80 | /* NOTE: it might really be A_WAIT_BCON ... */ |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 81 | musb->xceiv->state = OTG_STATE_A_HOST; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 82 | } |
| 83 | break; |
| 84 | #endif |
| 85 | #ifdef CONFIG_USB_MUSB_HDRC_HCD |
| 86 | case OTG_STATE_A_HOST: |
| 87 | devctl = musb_readb(musb->mregs, MUSB_DEVCTL); |
| 88 | if (devctl & MUSB_DEVCTL_BDEVICE) |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 89 | musb->xceiv->state = OTG_STATE_B_IDLE; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 90 | else |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 91 | musb->xceiv->state = OTG_STATE_A_WAIT_BCON; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 92 | #endif |
| 93 | default: |
| 94 | break; |
| 95 | } |
| 96 | spin_unlock_irqrestore(&musb->lock, flags); |
| 97 | } |
| 98 | |
| 99 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 100 | static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 101 | { |
| 102 | unsigned long default_timeout = jiffies + msecs_to_jiffies(3); |
| 103 | static unsigned long last_timer; |
| 104 | |
| 105 | if (timeout == 0) |
| 106 | timeout = default_timeout; |
| 107 | |
| 108 | /* Never idle if active, or when VBUS timeout is not set as host */ |
| 109 | if (musb->is_active || ((musb->a_wait_bcon == 0) |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 110 | && (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) { |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 111 | DBG(4, "%s active, deleting timer\n", otg_state_string(musb)); |
| 112 | del_timer(&musb_idle_timer); |
| 113 | last_timer = jiffies; |
| 114 | return; |
| 115 | } |
| 116 | |
| 117 | if (time_after(last_timer, timeout)) { |
| 118 | if (!timer_pending(&musb_idle_timer)) |
| 119 | last_timer = timeout; |
| 120 | else { |
| 121 | DBG(4, "Longer idle timer already pending, ignoring\n"); |
| 122 | return; |
| 123 | } |
| 124 | } |
| 125 | last_timer = timeout; |
| 126 | |
| 127 | DBG(4, "%s inactive, for idle timer for %lu ms\n", |
| 128 | otg_state_string(musb), |
| 129 | (unsigned long)jiffies_to_msecs(timeout - jiffies)); |
| 130 | mod_timer(&musb_idle_timer, timeout); |
| 131 | } |
| 132 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 133 | static void omap2430_musb_enable(struct musb *musb) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 134 | { |
| 135 | } |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 136 | |
| 137 | static void omap2430_musb_disable(struct musb *musb) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 138 | { |
| 139 | } |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 140 | |
| 141 | static void omap2430_musb_set_vbus(struct musb *musb, int is_on) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 142 | { |
| 143 | u8 devctl; |
| 144 | /* HDRC controls CPEN, but beware current surges during device |
| 145 | * connect. They can trigger transient overcurrent conditions |
| 146 | * that must be ignored. |
| 147 | */ |
| 148 | |
| 149 | devctl = musb_readb(musb->mregs, MUSB_DEVCTL); |
| 150 | |
| 151 | if (is_on) { |
| 152 | musb->is_active = 1; |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 153 | musb->xceiv->default_a = 1; |
| 154 | musb->xceiv->state = OTG_STATE_A_WAIT_VRISE; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 155 | devctl |= MUSB_DEVCTL_SESSION; |
| 156 | |
| 157 | MUSB_HST_MODE(musb); |
| 158 | } else { |
| 159 | musb->is_active = 0; |
| 160 | |
| 161 | /* NOTE: we're skipping A_WAIT_VFALL -> A_IDLE and |
| 162 | * jumping right to B_IDLE... |
| 163 | */ |
| 164 | |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 165 | musb->xceiv->default_a = 0; |
| 166 | musb->xceiv->state = OTG_STATE_B_IDLE; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 167 | devctl &= ~MUSB_DEVCTL_SESSION; |
| 168 | |
| 169 | MUSB_DEV_MODE(musb); |
| 170 | } |
| 171 | musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); |
| 172 | |
| 173 | DBG(1, "VBUS %s, devctl %02x " |
| 174 | /* otg %3x conf %08x prcm %08x */ "\n", |
| 175 | otg_state_string(musb), |
| 176 | musb_readb(musb->mregs, MUSB_DEVCTL)); |
| 177 | } |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 178 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 179 | static int omap2430_musb_resume(struct musb *musb); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 180 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 181 | static int omap2430_musb_set_mode(struct musb *musb, u8 musb_mode) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 182 | { |
| 183 | u8 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); |
| 184 | |
| 185 | devctl |= MUSB_DEVCTL_SESSION; |
| 186 | musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); |
| 187 | |
David Brownell | 96a274d | 2008-11-24 13:06:47 +0200 | [diff] [blame] | 188 | return 0; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 189 | } |
| 190 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 191 | static int omap2430_musb_init(struct musb *musb) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 192 | { |
| 193 | u32 l; |
Hema Kalliguddi | ea65df5 | 2010-09-22 19:27:40 -0500 | [diff] [blame] | 194 | struct device *dev = musb->controller; |
| 195 | struct musb_hdrc_platform_data *plat = dev->platform_data; |
| 196 | struct omap_musb_board_data *data = plat->board_data; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 197 | |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 198 | /* We require some kind of external transceiver, hooked |
| 199 | * up through ULPI. TWL4030-family PMICs include one, |
| 200 | * which needs a driver, drivers aren't always needed. |
| 201 | */ |
| 202 | musb->xceiv = otg_get_transceiver(); |
| 203 | if (!musb->xceiv) { |
| 204 | pr_err("HS USB OTG: no transceiver configured\n"); |
| 205 | return -ENODEV; |
| 206 | } |
| 207 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 208 | omap2430_musb_resume(musb); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 209 | |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 210 | l = musb_readl(musb->mregs, OTG_SYSCONFIG); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 211 | l &= ~ENABLEWAKEUP; /* disable wakeup */ |
| 212 | l &= ~NOSTDBY; /* remove possible nostdby */ |
| 213 | l |= SMARTSTDBY; /* enable smart standby */ |
| 214 | l &= ~AUTOIDLE; /* disable auto idle */ |
| 215 | l &= ~NOIDLE; /* remove possible noidle */ |
| 216 | l |= SMARTIDLE; /* enable smart idle */ |
Niilo Minkkinen | 9a4b5e3 | 2009-05-18 17:54:16 +0300 | [diff] [blame] | 217 | /* |
| 218 | * MUSB AUTOIDLE don't work in 3430. |
| 219 | * Workaround by Richard Woodruff/TI |
| 220 | */ |
| 221 | if (!cpu_is_omap3430()) |
| 222 | l |= AUTOIDLE; /* enable auto idle */ |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 223 | musb_writel(musb->mregs, OTG_SYSCONFIG, l); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 224 | |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 225 | l = musb_readl(musb->mregs, OTG_INTERFSEL); |
Maulik Mankad | de2e1b0 | 2010-03-12 10:29:07 +0200 | [diff] [blame] | 226 | |
| 227 | if (data->interface_type == MUSB_INTERFACE_UTMI) { |
| 228 | /* OMAP4 uses Internal PHY GS70 which uses UTMI interface */ |
| 229 | l &= ~ULPI_12PIN; /* Disable ULPI */ |
| 230 | l |= UTMI_8BIT; /* Enable UTMI */ |
| 231 | } else { |
| 232 | l |= ULPI_12PIN; |
| 233 | } |
| 234 | |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 235 | musb_writel(musb->mregs, OTG_INTERFSEL, l); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 236 | |
| 237 | pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, " |
| 238 | "sysstatus 0x%x, intrfsel 0x%x, simenable 0x%x\n", |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 239 | musb_readl(musb->mregs, OTG_REVISION), |
| 240 | musb_readl(musb->mregs, OTG_SYSCONFIG), |
| 241 | musb_readl(musb->mregs, OTG_SYSSTATUS), |
| 242 | musb_readl(musb->mregs, OTG_INTERFSEL), |
| 243 | musb_readl(musb->mregs, OTG_SIMENABLE)); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 244 | |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 245 | if (is_host_enabled(musb)) |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 246 | musb->board_set_vbus = omap2430_musb_set_vbus; |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 247 | |
| 248 | setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb); |
| 249 | |
| 250 | return 0; |
| 251 | } |
| 252 | |
Ajay Kumar Gupta | 4f712e0 | 2010-01-21 15:33:52 +0200 | [diff] [blame] | 253 | #ifdef CONFIG_PM |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 254 | void musb_platform_save_context(struct musb *musb, |
| 255 | struct musb_context_registers *musb_context) |
Ajay Kumar Gupta | 4f712e0 | 2010-01-21 15:33:52 +0200 | [diff] [blame] | 256 | { |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 257 | musb_context->otg_sysconfig = musb_readl(musb->mregs, OTG_SYSCONFIG); |
| 258 | musb_context->otg_forcestandby = musb_readl(musb->mregs, OTG_FORCESTDBY); |
Ajay Kumar Gupta | 4f712e0 | 2010-01-21 15:33:52 +0200 | [diff] [blame] | 259 | } |
| 260 | |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 261 | void musb_platform_restore_context(struct musb *musb, |
| 262 | struct musb_context_registers *musb_context) |
Ajay Kumar Gupta | 4f712e0 | 2010-01-21 15:33:52 +0200 | [diff] [blame] | 263 | { |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 264 | musb_writel(musb->mregs, OTG_SYSCONFIG, musb_context->otg_sysconfig); |
| 265 | musb_writel(musb->mregs, OTG_FORCESTDBY, musb_context->otg_forcestandby); |
Ajay Kumar Gupta | 4f712e0 | 2010-01-21 15:33:52 +0200 | [diff] [blame] | 266 | } |
| 267 | #endif |
| 268 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 269 | static int omap2430_musb_suspend(struct musb *musb) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 270 | { |
| 271 | u32 l; |
| 272 | |
| 273 | if (!musb->clock) |
| 274 | return 0; |
| 275 | |
| 276 | /* in any role */ |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 277 | l = musb_readl(musb->mregs, OTG_FORCESTDBY); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 278 | l |= ENABLEFORCE; /* enable MSTANDBY */ |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 279 | musb_writel(musb->mregs, OTG_FORCESTDBY, l); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 280 | |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 281 | l = musb_readl(musb->mregs, OTG_SYSCONFIG); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 282 | l |= ENABLEWAKEUP; /* enable wakeup */ |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 283 | musb_writel(musb->mregs, OTG_SYSCONFIG, l); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 284 | |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 285 | otg_set_suspend(musb->xceiv, 1); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 286 | |
| 287 | if (musb->set_clock) |
| 288 | musb->set_clock(musb->clock, 0); |
| 289 | else |
| 290 | clk_disable(musb->clock); |
| 291 | |
| 292 | return 0; |
| 293 | } |
| 294 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 295 | static int omap2430_musb_resume(struct musb *musb) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 296 | { |
| 297 | u32 l; |
| 298 | |
| 299 | if (!musb->clock) |
| 300 | return 0; |
| 301 | |
David Brownell | 84e250f | 2009-03-31 12:30:04 -0700 | [diff] [blame] | 302 | otg_set_suspend(musb->xceiv, 0); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 303 | |
| 304 | if (musb->set_clock) |
| 305 | musb->set_clock(musb->clock, 1); |
| 306 | else |
| 307 | clk_enable(musb->clock); |
| 308 | |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 309 | l = musb_readl(musb->mregs, OTG_SYSCONFIG); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 310 | l &= ~ENABLEWAKEUP; /* disable wakeup */ |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 311 | musb_writel(musb->mregs, OTG_SYSCONFIG, l); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 312 | |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 313 | l = musb_readl(musb->mregs, OTG_FORCESTDBY); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 314 | l &= ~ENABLEFORCE; /* disable MSTANDBY */ |
Felipe Balbi | 8573e6a | 2010-01-21 15:33:53 +0200 | [diff] [blame] | 315 | musb_writel(musb->mregs, OTG_FORCESTDBY, l); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 316 | |
| 317 | return 0; |
| 318 | } |
| 319 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 320 | static int omap2430_musb_exit(struct musb *musb) |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 321 | { |
| 322 | |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 323 | omap2430_musb_suspend(musb); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 324 | |
Sergei Shtylyov | f405387 | 2010-09-29 09:54:29 +0300 | [diff] [blame] | 325 | otg_put_transceiver(musb->xceiv); |
Felipe Balbi | 550a737 | 2008-07-24 12:27:36 +0300 | [diff] [blame] | 326 | return 0; |
| 327 | } |
Felipe Balbi | 743411b | 2010-12-01 13:22:05 +0200 | [diff] [blame^] | 328 | |
| 329 | const struct musb_platform_ops musb_ops = { |
| 330 | .init = omap2430_musb_init, |
| 331 | .exit = omap2430_musb_exit, |
| 332 | |
| 333 | .suspend = omap2430_musb_suspend, |
| 334 | .resume = omap2430_musb_resume, |
| 335 | |
| 336 | .enable = omap2430_musb_enable, |
| 337 | .disable = omap2430_musb_disable, |
| 338 | |
| 339 | .set_mode = omap2430_musb_set_mode, |
| 340 | .try_idle = omap2430_musb_try_idle, |
| 341 | |
| 342 | .set_vbus = omap2430_musb_set_vbus, |
| 343 | }; |