From: Russell King Date: Tue, 4 Nov 2008 14:02:46 +0000 (+0000) Subject: [ARM] omap: introduce clock operations structure X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=548d849574847b788fe846fe21a41386063be161;p=linux-2.6-omap-h63xx.git [ARM] omap: introduce clock operations structure Collect up all the common enable/disable clock operation functions into a separate operations structure. Signed-off-by: Russell King --- diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index 5fba2073171..25ef04da6b0 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c @@ -26,8 +26,17 @@ #include #include +static const struct clkops clkops_generic; +static const struct clkops clkops_uart; +static const struct clkops clkops_dspck; + #include "clock.h" +static int omap1_clk_enable_generic(struct clk * clk); +static int omap1_clk_enable(struct clk *clk); +static void omap1_clk_disable_generic(struct clk * clk); +static void omap1_clk_disable(struct clk *clk); + __u32 arm_idlect1_mask; /*------------------------------------------------------------------------- @@ -78,6 +87,11 @@ static void omap1_clk_disable_dsp_domain(struct clk *clk) } } +static const struct clkops clkops_dspck = { + .enable = &omap1_clk_enable_dsp_domain, + .disable = &omap1_clk_disable_dsp_domain, +}; + static int omap1_clk_enable_uart_functional(struct clk *clk) { int ret; @@ -105,6 +119,11 @@ static void omap1_clk_disable_uart_functional(struct clk *clk) omap1_clk_disable_generic(clk); } +static const struct clkops clkops_uart = { + .enable = &omap1_clk_enable_uart_functional, + .disable = &omap1_clk_disable_uart_functional, +}; + static void omap1_clk_allow_idle(struct clk *clk) { struct arm_idlect1_clk * iclk = (struct arm_idlect1_clk *)clk; @@ -468,7 +487,7 @@ static int omap1_clk_enable(struct clk *clk) omap1_clk_deny_idle(clk->parent); } - ret = clk->enable(clk); + ret = clk->ops->enable(clk); if (unlikely(ret != 0) && clk->parent) { omap1_clk_disable(clk->parent); @@ -482,7 +501,7 @@ static int omap1_clk_enable(struct clk *clk) static void omap1_clk_disable(struct clk *clk) { if (clk->usecount > 0 && !(--clk->usecount)) { - clk->disable(clk); + clk->ops->disable(clk); if (likely(clk->parent)) { omap1_clk_disable(clk->parent); if (clk->flags & CLOCK_NO_IDLE_PARENT) @@ -561,6 +580,11 @@ static void omap1_clk_disable_generic(struct clk *clk) } } +static const struct clkops clkops_generic = { + .enable = &omap1_clk_enable_generic, + .disable = &omap1_clk_disable_generic, +}; + static long omap1_clk_round_rate(struct clk *clk, unsigned long rate) { int dsor_exp; @@ -659,7 +683,7 @@ static void __init omap1_clk_disable_unused(struct clk *clk) } printk(KERN_INFO "Disabling unused clock \"%s\"... ", clk->name); - clk->disable(clk); + clk->ops->disable(clk); printk(" done\n"); } diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h index d4ccba464b4..5b93a2a897a 100644 --- a/arch/arm/mach-omap1/clock.h +++ b/arch/arm/mach-omap1/clock.h @@ -13,27 +13,19 @@ #ifndef __ARCH_ARM_MACH_OMAP1_CLOCK_H #define __ARCH_ARM_MACH_OMAP1_CLOCK_H -static int omap1_clk_enable_generic(struct clk * clk); -static void omap1_clk_disable_generic(struct clk * clk); static void omap1_ckctl_recalc(struct clk * clk); static void omap1_watchdog_recalc(struct clk * clk); static int omap1_set_sossi_rate(struct clk *clk, unsigned long rate); static void omap1_sossi_recalc(struct clk *clk); static void omap1_ckctl_recalc_dsp_domain(struct clk * clk); -static int omap1_clk_enable_dsp_domain(struct clk * clk); static int omap1_clk_set_rate_dsp_domain(struct clk * clk, unsigned long rate); -static void omap1_clk_disable_dsp_domain(struct clk * clk); static int omap1_set_uart_rate(struct clk * clk, unsigned long rate); static void omap1_uart_recalc(struct clk * clk); -static int omap1_clk_enable_uart_functional(struct clk * clk); -static void omap1_clk_disable_uart_functional(struct clk * clk); static int omap1_set_ext_clk_rate(struct clk * clk, unsigned long rate); static long omap1_round_ext_clk_rate(struct clk * clk, unsigned long rate); static void omap1_init_ext_clk(struct clk * clk); static int omap1_select_table_rate(struct clk * clk, unsigned long rate); static long omap1_round_to_table_rate(struct clk * clk, unsigned long rate); -static int omap1_clk_enable(struct clk *clk); -static void omap1_clk_disable(struct clk *clk); struct mpu_rate { unsigned long rate; @@ -152,39 +144,37 @@ static struct mpu_rate rate_table[] = { static struct clk ck_ref = { .name = "ck_ref", + .ops = &clkops_generic, .rate = 12000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk ck_dpll1 = { .name = "ck_dpll1", + .ops = &clkops_generic, .parent = &ck_ref, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | RATE_PROPAGATES | ALWAYS_ENABLED, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct arm_idlect1_clk ck_dpll1out = { .clk = { .name = "ck_dpll1out", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP16XX | CLOCK_IDLE_CONTROL | ENABLE_REG_32BIT | RATE_PROPAGATES, .enable_reg = (void __iomem *)ARM_IDLECT2, .enable_bit = EN_CKOUT_ARM, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 12, }; static struct clk sossi_ck = { .name = "ck_sossi", + .ops = &clkops_generic, .parent = &ck_dpll1out.clk, .flags = CLOCK_IN_OMAP16XX | CLOCK_NO_IDLE_PARENT | ENABLE_REG_32BIT, @@ -192,25 +182,23 @@ static struct clk sossi_ck = { .enable_bit = 16, .recalc = &omap1_sossi_recalc, .set_rate = &omap1_set_sossi_rate, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk arm_ck = { .name = "arm_ck", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | RATE_CKCTL | RATE_PROPAGATES | ALWAYS_ENABLED, .rate_offset = CKCTL_ARMDIV_OFFSET, .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct arm_idlect1_clk armper_ck = { .clk = { .name = "armper_ck", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | RATE_CKCTL | @@ -219,34 +207,30 @@ static struct arm_idlect1_clk armper_ck = { .enable_bit = EN_PERCK, .rate_offset = CKCTL_PERDIV_OFFSET, .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 2, }; static struct clk arm_gpio_ck = { .name = "arm_gpio_ck", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310, .enable_reg = (void __iomem *)ARM_IDLECT2, .enable_bit = EN_GPIOCK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct arm_idlect1_clk armxor_ck = { .clk = { .name = "armxor_ck", + .ops = &clkops_generic, .parent = &ck_ref, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, .enable_reg = (void __iomem *)ARM_IDLECT2, .enable_bit = EN_XORPCK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 1, }; @@ -254,14 +238,13 @@ static struct arm_idlect1_clk armxor_ck = { static struct arm_idlect1_clk armtim_ck = { .clk = { .name = "armtim_ck", + .ops = &clkops_generic, .parent = &ck_ref, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, .enable_reg = (void __iomem *)ARM_IDLECT2, .enable_bit = EN_TIMCK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 9, }; @@ -269,20 +252,20 @@ static struct arm_idlect1_clk armtim_ck = { static struct arm_idlect1_clk armwdt_ck = { .clk = { .name = "armwdt_ck", + .ops = &clkops_generic, .parent = &ck_ref, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, .enable_reg = (void __iomem *)ARM_IDLECT2, .enable_bit = EN_WDTCK, .recalc = &omap1_watchdog_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 0, }; static struct clk arminth_ck16xx = { .name = "arminth_ck", + .ops = &clkops_generic, .parent = &arm_ck, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, .recalc = &followparent_recalc, @@ -291,12 +274,11 @@ static struct clk arminth_ck16xx = { * * 1510 version is in TC clocks. */ - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk dsp_ck = { .name = "dsp_ck", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | RATE_CKCTL, @@ -304,23 +286,21 @@ static struct clk dsp_ck = { .enable_bit = EN_DSPCK, .rate_offset = CKCTL_DSPDIV_OFFSET, .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk dspmmu_ck = { .name = "dspmmu_ck", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | RATE_CKCTL | ALWAYS_ENABLED, .rate_offset = CKCTL_DSPMMUDIV_OFFSET, .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk dspper_ck = { .name = "dspper_ck", + .ops = &clkops_dspck, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | RATE_CKCTL | VIRTUAL_IO_ADDRESS, @@ -329,38 +309,35 @@ static struct clk dspper_ck = { .rate_offset = CKCTL_PERDIV_OFFSET, .recalc = &omap1_ckctl_recalc_dsp_domain, .set_rate = &omap1_clk_set_rate_dsp_domain, - .enable = &omap1_clk_enable_dsp_domain, - .disable = &omap1_clk_disable_dsp_domain, }; static struct clk dspxor_ck = { .name = "dspxor_ck", + .ops = &clkops_dspck, .parent = &ck_ref, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | VIRTUAL_IO_ADDRESS, .enable_reg = DSP_IDLECT2, .enable_bit = EN_XORPCK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_dsp_domain, - .disable = &omap1_clk_disable_dsp_domain, }; static struct clk dsptim_ck = { .name = "dsptim_ck", + .ops = &clkops_dspck, .parent = &ck_ref, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | VIRTUAL_IO_ADDRESS, .enable_reg = DSP_IDLECT2, .enable_bit = EN_DSPTIMCK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_dsp_domain, - .disable = &omap1_clk_disable_dsp_domain, }; /* Tie ARM_IDLECT1:IDLIF_ARM to this logical clock structure */ static struct arm_idlect1_clk tc_ck = { .clk = { .name = "tc_ck", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 | CLOCK_IN_OMAP310 | @@ -368,14 +345,13 @@ static struct arm_idlect1_clk tc_ck = { ALWAYS_ENABLED | CLOCK_IDLE_CONTROL, .rate_offset = CKCTL_TCDIV_OFFSET, .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 6, }; static struct clk arminth_ck1510 = { .name = "arminth_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, @@ -384,86 +360,77 @@ static struct clk arminth_ck1510 = { * * 16xx version is in MPU clocks. */ - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk tipb_ck = { /* No-idle controlled by "tc_ck" */ .name = "tipb_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk l3_ocpi_ck = { /* No-idle controlled by "tc_ck" */ .name = "l3_ocpi_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP16XX, .enable_reg = (void __iomem *)ARM_IDLECT3, .enable_bit = EN_OCPI_CK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk tc1_ck = { .name = "tc1_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP16XX, .enable_reg = (void __iomem *)ARM_IDLECT3, .enable_bit = EN_TC1_CK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk tc2_ck = { .name = "tc2_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP16XX, .enable_reg = (void __iomem *)ARM_IDLECT3, .enable_bit = EN_TC2_CK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk dma_ck = { /* No-idle controlled by "tc_ck" */ .name = "dma_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk dma_lcdfree_ck = { .name = "dma_lcdfree_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct arm_idlect1_clk api_ck = { .clk = { .name = "api_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, .enable_reg = (void __iomem *)ARM_IDLECT2, .enable_bit = EN_APICK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 8, }; @@ -471,51 +438,48 @@ static struct arm_idlect1_clk api_ck = { static struct arm_idlect1_clk lb_ck = { .clk = { .name = "lb_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | CLOCK_IDLE_CONTROL, .enable_reg = (void __iomem *)ARM_IDLECT2, .enable_bit = EN_LBCK, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 4, }; static struct clk rhea1_ck = { .name = "rhea1_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk rhea2_ck = { .name = "rhea2_ck", + .ops = &clkops_generic, .parent = &tc_ck.clk, .flags = CLOCK_IN_OMAP16XX | ALWAYS_ENABLED, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk lcd_ck_16xx = { .name = "lcd_ck", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP730 | RATE_CKCTL, .enable_reg = (void __iomem *)ARM_IDLECT2, .enable_bit = EN_LCDCK, .rate_offset = CKCTL_LCDDIV_OFFSET, .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct arm_idlect1_clk lcd_ck_1510 = { .clk = { .name = "lcd_ck", + .ops = &clkops_generic, .parent = &ck_dpll1, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_CKCTL | CLOCK_IDLE_CONTROL, @@ -523,14 +487,13 @@ static struct arm_idlect1_clk lcd_ck_1510 = { .enable_bit = EN_LCDCK, .rate_offset = CKCTL_LCDDIV_OFFSET, .recalc = &omap1_ckctl_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }, .idlect_shift = 3, }; static struct clk uart1_1510 = { .name = "uart1_ck", + .ops = &clkops_generic, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 12000000, @@ -541,13 +504,12 @@ static struct clk uart1_1510 = { .enable_bit = 29, /* Chooses between 12MHz and 48MHz */ .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct uart_clk uart1_16xx = { .clk = { .name = "uart1_ck", + .ops = &clkops_uart, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 48000000, @@ -555,14 +517,13 @@ static struct uart_clk uart1_16xx = { ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, .enable_bit = 29, - .enable = &omap1_clk_enable_uart_functional, - .disable = &omap1_clk_disable_uart_functional, }, .sysc_addr = 0xfffb0054, }; static struct clk uart2_ck = { .name = "uart2_ck", + .ops = &clkops_generic, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 12000000, @@ -573,12 +534,11 @@ static struct clk uart2_ck = { .enable_bit = 30, /* Chooses between 12MHz and 48MHz */ .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk uart3_1510 = { .name = "uart3_ck", + .ops = &clkops_generic, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 12000000, @@ -589,13 +549,12 @@ static struct clk uart3_1510 = { .enable_bit = 31, /* Chooses between 12MHz and 48MHz */ .set_rate = &omap1_set_uart_rate, .recalc = &omap1_uart_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct uart_clk uart3_16xx = { .clk = { .name = "uart3_ck", + .ops = &clkops_uart, /* Direct from ULPD, no real parent */ .parent = &armper_ck.clk, .rate = 48000000, @@ -603,38 +562,35 @@ static struct uart_clk uart3_16xx = { ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, .enable_bit = 31, - .enable = &omap1_clk_enable_uart_functional, - .disable = &omap1_clk_disable_uart_functional, }, .sysc_addr = 0xfffb9854, }; static struct clk usb_clko = { /* 6 MHz output on W4_USB_CLKO */ .name = "usb_clko", + .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 6000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT, .enable_reg = (void __iomem *)ULPD_CLOCK_CTRL, .enable_bit = USB_MCLK_EN_BIT, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk usb_hhc_ck1510 = { .name = "usb_hhc_ck", + .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, /* Actually 2 clocks, 12MHz and 48MHz */ .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED | ENABLE_REG_32BIT, .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, .enable_bit = USB_HOST_HHC_UHOST_EN, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk usb_hhc_ck16xx = { .name = "usb_hhc_ck", + .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, /* OTG_SYSCON_2.OTG_PADEN == 0 (not 1510-compatible) */ @@ -642,34 +598,31 @@ static struct clk usb_hhc_ck16xx = { RATE_FIXED | ENABLE_REG_32BIT, .enable_reg = (void __iomem *)OTG_BASE + 0x08 /* OTG_SYSCON_2 */, .enable_bit = 8 /* UHOST_EN */, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk usb_dc_ck = { .name = "usb_dc_ck", + .ops = &clkops_generic, /* Direct from ULPD, no parent */ .rate = 48000000, .flags = CLOCK_IN_OMAP16XX | RATE_FIXED, .enable_reg = (void __iomem *)SOFT_REQ_REG, .enable_bit = 4, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk mclk_1510 = { .name = "mclk", + .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .rate = 12000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED, .enable_reg = (void __iomem *)SOFT_REQ_REG, .enable_bit = 6, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk mclk_16xx = { .name = "mclk", + .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .flags = CLOCK_IN_OMAP16XX, .enable_reg = (void __iomem *)COM_CLK_DIV_CTRL_SEL, @@ -677,21 +630,19 @@ static struct clk mclk_16xx = { .set_rate = &omap1_set_ext_clk_rate, .round_rate = &omap1_round_ext_clk_rate, .init = &omap1_init_ext_clk, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk bclk_1510 = { .name = "bclk", + .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .rate = 12000000, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP310 | RATE_FIXED, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk bclk_16xx = { .name = "bclk", + .ops = &clkops_generic, /* Direct from ULPD, no parent. May be enabled by ext hardware. */ .flags = CLOCK_IN_OMAP16XX, .enable_reg = (void __iomem *)SWD_CLK_DIV_CTRL_SEL, @@ -699,12 +650,11 @@ static struct clk bclk_16xx = { .set_rate = &omap1_set_ext_clk_rate, .round_rate = &omap1_round_ext_clk_rate, .init = &omap1_init_ext_clk, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk mmc1_ck = { .name = "mmc_ck", + .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck.clk, .rate = 48000000, @@ -713,13 +663,12 @@ static struct clk mmc1_ck = { CLOCK_NO_IDLE_PARENT, .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, .enable_bit = 23, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk mmc2_ck = { .name = "mmc_ck", .id = 1, + .ops = &clkops_generic, /* Functional clock is direct from ULPD, interface clock is ARMPER */ .parent = &armper_ck.clk, .rate = 48000000, @@ -727,20 +676,17 @@ static struct clk mmc2_ck = { RATE_FIXED | ENABLE_REG_32BIT | CLOCK_NO_IDLE_PARENT, .enable_reg = (void __iomem *)MOD_CONF_CTRL_0, .enable_bit = 20, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk virtual_ck_mpu = { .name = "mpu", + .ops = &clkops_generic, .flags = CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_IN_OMAP310 | ALWAYS_ENABLED, .parent = &arm_ck, /* Is smarter alias for */ .recalc = &followparent_recalc, .set_rate = &omap1_select_table_rate, .round_rate = &omap1_round_to_table_rate, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; /* virtual functional clock domain for I2C. Just for making sure that ARMXOR_CK @@ -748,23 +694,21 @@ remains active during MPU idle whenever this is enabled */ static struct clk i2c_fck = { .name = "i2c_fck", .id = 1, + .ops = &clkops_generic, .flags = CLOCK_IN_OMAP310 | CLOCK_IN_OMAP1510 | CLOCK_IN_OMAP16XX | CLOCK_NO_IDLE_PARENT | ALWAYS_ENABLED, .parent = &armxor_ck.clk, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk i2c_ick = { .name = "i2c_ick", .id = 1, + .ops = &clkops_generic, .flags = CLOCK_IN_OMAP16XX | CLOCK_NO_IDLE_PARENT | ALWAYS_ENABLED, .parent = &armper_ck.clk, .recalc = &followparent_recalc, - .enable = &omap1_clk_enable_generic, - .disable = &omap1_clk_disable_generic, }; static struct clk * onchip_clks[] = { diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index ad721e0cbf7..d3213f565d5 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -274,8 +274,8 @@ int _omap2_clk_enable(struct clk *clk) if (clk->flags & (ALWAYS_ENABLED | PARENT_CONTROLS_CLOCK)) return 0; - if (clk->enable) - return clk->enable(clk); + if (clk->ops && clk->ops->enable) + return clk->ops->enable(clk); if (unlikely(clk->enable_reg == NULL)) { printk(KERN_ERR "clock.c: Enable for %s without enable code\n", @@ -304,8 +304,8 @@ void _omap2_clk_disable(struct clk *clk) if (clk->flags & (ALWAYS_ENABLED | PARENT_CONTROLS_CLOCK)) return; - if (clk->disable) { - clk->disable(clk); + if (clk->ops && clk->ops->disable) { + clk->ops->disable(clk); return; } diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index d382eb0184a..866a618c4d8 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -34,12 +34,16 @@ #include "memory.h" #include "clock.h" -#include "clock24xx.h" #include "prm.h" #include "prm-regbits-24xx.h" #include "cm.h" #include "cm-regbits-24xx.h" +static const struct clkops clkops_oscck; +static const struct clkops clkops_fixed; + +#include "clock24xx.h" + /* CM_CLKEN_PLL.EN_{54,96}M_PLL options (24XX) */ #define EN_APLL_STOPPED 0 #define EN_APLL_LOCKED 3 @@ -96,6 +100,11 @@ static void omap2_disable_osc_ck(struct clk *clk) OMAP24XX_PRCM_CLKSRC_CTRL); } +static const struct clkops clkops_oscck = { + .enable = &omap2_enable_osc_ck, + .disable = &omap2_disable_osc_ck, +}; + #ifdef OLD_CK /* Recalculate SYST_CLK */ static void omap2_sys_clk_recalc(struct clk * clk) @@ -149,6 +158,11 @@ static void omap2_clk_fixed_disable(struct clk *clk) cm_write_mod_reg(cval, PLL_MOD, CM_CLKEN); } +static const struct clkops clkops_fixed = { + .enable = &omap2_clk_fixed_enable, + .disable = &omap2_clk_fixed_disable, +}; + /* * Uses the current prcm set to tell if a rate is valid. * You can go slower, but not faster within a given rate set. diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h index 8c57a2e180f..2aa0b5e6560 100644 --- a/arch/arm/mach-omap2/clock24xx.h +++ b/arch/arm/mach-omap2/clock24xx.h @@ -31,10 +31,6 @@ static void omap2_sys_clk_recalc(struct clk *clk); static void omap2_osc_clk_recalc(struct clk *clk); static void omap2_sys_clk_recalc(struct clk *clk); static void omap2_dpllcore_recalc(struct clk *clk); -static int omap2_clk_fixed_enable(struct clk *clk); -static void omap2_clk_fixed_disable(struct clk *clk); -static int omap2_enable_osc_ck(struct clk *clk); -static void omap2_disable_osc_ck(struct clk *clk); static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate); /* Key dividers which make up a PRCM set. Ratio's for a PRCM are mandated. @@ -633,11 +629,10 @@ static struct clk func_32k_ck = { /* Typical 12/13MHz in standalone mode, will be 26Mhz in chassis mode */ static struct clk osc_ck = { /* (*12, *13, 19.2, *26, 38.4)MHz */ .name = "osc_ck", + .ops = &clkops_oscck, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | RATE_PROPAGATES, .clkdm_name = "wkup_clkdm", - .enable = &omap2_enable_osc_ck, - .disable = &omap2_disable_osc_ck, .recalc = &omap2_osc_clk_recalc, }; @@ -695,6 +690,7 @@ static struct clk dpll_ck = { static struct clk apll96_ck = { .name = "apll96_ck", + .ops = &clkops_fixed, .parent = &sys_ck, .rate = 96000000, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | @@ -702,13 +698,12 @@ static struct clk apll96_ck = { .clkdm_name = "wkup_clkdm", .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP24XX_EN_96M_PLL_SHIFT, - .enable = &omap2_clk_fixed_enable, - .disable = &omap2_clk_fixed_disable, .recalc = &propagate_rate, }; static struct clk apll54_ck = { .name = "apll54_ck", + .ops = &clkops_fixed, .parent = &sys_ck, .rate = 54000000, .flags = CLOCK_IN_OMAP242X | CLOCK_IN_OMAP243X | @@ -716,8 +711,6 @@ static struct clk apll54_ck = { .clkdm_name = "wkup_clkdm", .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP24XX_EN_54M_PLL_SHIFT, - .enable = &omap2_clk_fixed_enable, - .disable = &omap2_clk_fixed_disable, .recalc = &propagate_rate, }; diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c index 31bb7010bd4..2f2d43db2dd 100644 --- a/arch/arm/mach-omap2/clock34xx.c +++ b/arch/arm/mach-omap2/clock34xx.c @@ -33,12 +33,15 @@ #include "memory.h" #include "clock.h" -#include "clock34xx.h" #include "prm.h" #include "prm-regbits-34xx.h" #include "cm.h" #include "cm-regbits-34xx.h" +static const struct clkops clkops_noncore_dpll_ops; + +#include "clock34xx.h" + /* CM_AUTOIDLE_PLL*.AUTO_* bit values */ #define DPLL_AUTOIDLE_DISABLE 0x0 #define DPLL_AUTOIDLE_LOW_POWER_STOP 0x1 @@ -270,6 +273,11 @@ static void omap3_noncore_dpll_disable(struct clk *clk) _omap3_noncore_dpll_stop(clk); } +static const struct clkops clkops_noncore_dpll_ops = { + .enable = &omap3_noncore_dpll_enable, + .disable = &omap3_noncore_dpll_disable, +}; + /** * omap3_dpll_autoidle_read - read a DPLL's autoidle bits * @clk: struct clk * of the DPLL to read diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index a826094d89b..8b188fb9bea 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -32,8 +32,6 @@ static void omap3_clkoutx2_recalc(struct clk *clk); static void omap3_dpll_allow_idle(struct clk *clk); static void omap3_dpll_deny_idle(struct clk *clk); static u32 omap3_dpll_autoidle_read(struct clk *clk); -static int omap3_noncore_dpll_enable(struct clk *clk); -static void omap3_noncore_dpll_disable(struct clk *clk); /* Maximum DPLL multiplier, divider values for OMAP3 */ #define OMAP3_MAX_DPLL_MULT 2048 @@ -347,11 +345,10 @@ static struct dpll_data dpll2_dd = { static struct clk dpll2_ck = { .name = "dpll2_ck", + .ops = &clkops_noncore_dpll_ops, .parent = &sys_ck, .dpll_data = &dpll2_dd, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, - .enable = &omap3_noncore_dpll_enable, - .disable = &omap3_noncore_dpll_disable, .round_rate = &omap2_dpll_round_rate, .recalc = &omap3_dpll_recalc, }; @@ -582,11 +579,10 @@ static struct dpll_data dpll4_dd = { static struct clk dpll4_ck = { .name = "dpll4_ck", + .ops = &clkops_noncore_dpll_ops, .parent = &sys_ck, .dpll_data = &dpll4_dd, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, - .enable = &omap3_noncore_dpll_enable, - .disable = &omap3_noncore_dpll_disable, .round_rate = &omap2_dpll_round_rate, .recalc = &omap3_dpll_recalc, }; @@ -884,11 +880,10 @@ static struct dpll_data dpll5_dd = { static struct clk dpll5_ck = { .name = "dpll5_ck", + .ops = &clkops_noncore_dpll_ops, .parent = &sys_ck, .dpll_data = &dpll5_dd, .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES, - .enable = &omap3_noncore_dpll_enable, - .disable = &omap3_noncore_dpll_disable, .round_rate = &omap2_dpll_round_rate, .recalc = &omap3_dpll_recalc, }; diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h index 4e8f59df30b..4fe5084e8cc 100644 --- a/arch/arm/plat-omap/include/mach/clock.h +++ b/arch/arm/plat-omap/include/mach/clock.h @@ -17,6 +17,11 @@ struct module; struct clk; struct clockdomain; +struct clkops { + int (*enable)(struct clk *); + void (*disable)(struct clk *); +}; + #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) struct clksel_rate { @@ -59,6 +64,7 @@ struct dpll_data { struct clk { struct list_head node; + const struct clkops *ops; struct module *owner; const char *name; int id; @@ -72,8 +78,6 @@ struct clk { int (*set_rate)(struct clk *, unsigned long); long (*round_rate)(struct clk *, unsigned long); void (*init)(struct clk *); - int (*enable)(struct clk *); - void (*disable)(struct clk *); #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) u8 fixed_div; void __iomem *clksel_reg;