From patchwork Tue Apr 26 23:51:49 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 34105 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1avCm5-0004au-5h; Tue, 26 Apr 2016 23:52:13 +0000 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.76/mailfrontend-7) with esmtp id 1avCm2-0003Es-1p; Wed, 27 Apr 2016 01:52:13 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753675AbcDZXwF (ORCPT + 1 other); Tue, 26 Apr 2016 19:52:05 -0400 Received: from muru.com ([72.249.23.125]:52356 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754626AbcDZXwC (ORCPT ); Tue, 26 Apr 2016 19:52:02 -0400 Received: from sampyla.monkeybrains.net (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 829B182DC; Tue, 26 Apr 2016 23:53:24 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Aaro Koskinen , Ivaylo Dimitrov , Sebastian Reichel , Pavel Machel , Timo Kokkonen , Mauro Carvalho Chehab , Neil Armstrong , linux-media@vger.kernel.org Subject: [PATCH 2/2] [media] ir-rx51: Fix build after multiarch changes broke it Date: Tue, 26 Apr 2016 16:51:49 -0700 Message-Id: <1461714709-10455-3-git-send-email-tony@atomide.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1461714709-10455-1-git-send-email-tony@atomide.com> References: <1461714709-10455-1-git-send-email-tony@atomide.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2016.4.26.233916 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODY_SIZE_10000_PLUS 0, DATE_TZ_NA 0, NO_URI_HTTPS 0, REFERENCES 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MULTIPLE_RCPTS_CC_X2 0, __REFERENCES 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_IN_BODY 0, __URI_NO_WWW 0, __URI_NS , __URI_WITH_PATH 0' The ir-rx51 driver for n900 has been disabled since the multiarch changes as plat include directory no longer is SoC specific. Let's fix it with minimal changes to pass the dmtimer calls in pdata. Then the following changes can be done while things can be tested to be working for each change: 1. Change the non-pwm dmtimer to use just hrtimer if possible 2. Change the pwm dmtimer to use Linux PWM API with the new drivers/pwm/pwm-omap-dmtimer.c and remove the direct calls to dmtimer functions 3. Parse configuration from device tree and drop the pdata Note compilation of this depends on the previous patch "ARM: OMAP2+: Add more functions to pwm pdata for ir-rx51". Cc: Mauro Carvalho Chehab Cc: Neil Armstrong Cc: linux-media@vger.kernel.org Signed-off-by: Tony Lindgren --- drivers/media/rc/Kconfig | 2 +- drivers/media/rc/ir-rx51.c | 99 +++++++++++++++++++++++++--------------------- 2 files changed, 54 insertions(+), 47 deletions(-) Can you guys please test this still works? I've only been able to test that it compiles/loads/unloads as my n900 in in a rack. diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig index bd4d685..370e16e 100644 --- a/drivers/media/rc/Kconfig +++ b/drivers/media/rc/Kconfig @@ -336,7 +336,7 @@ config IR_TTUSBIR config IR_RX51 tristate "Nokia N900 IR transmitter diode" - depends on OMAP_DM_TIMER && ARCH_OMAP2PLUS && LIRC && !ARCH_MULTIPLATFORM + depends on OMAP_DM_TIMER && PWM_OMAP_DMTIMER && ARCH_OMAP2PLUS && LIRC ---help--- Say Y or M here if you want to enable support for the IR transmitter diode built in the Nokia N900 (RX51) device. diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c index 4e1711a..da839c3 100644 --- a/drivers/media/rc/ir-rx51.c +++ b/drivers/media/rc/ir-rx51.c @@ -19,6 +19,7 @@ * */ +#include #include #include #include @@ -26,11 +27,9 @@ #include #include -#include -#include - #include #include +#include #include #define LIRC_RX51_DRIVER_FEATURES (LIRC_CAN_SET_SEND_DUTY_CYCLE | \ @@ -44,8 +43,9 @@ #define TIMER_MAX_VALUE 0xffffffff struct lirc_rx51 { - struct omap_dm_timer *pwm_timer; - struct omap_dm_timer *pulse_timer; + pwm_omap_dmtimer *pwm_timer; + pwm_omap_dmtimer *pulse_timer; + struct pwm_omap_dmtimer_pdata *dmtimer; struct device *dev; struct lirc_rx51_platform_data *pdata; wait_queue_head_t wqueue; @@ -63,14 +63,14 @@ struct lirc_rx51 { static void lirc_rx51_on(struct lirc_rx51 *lirc_rx51) { - omap_dm_timer_set_pwm(lirc_rx51->pwm_timer, 0, 1, - OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE); + lirc_rx51->dmtimer->set_pwm(lirc_rx51->pwm_timer, 0, 1, + PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW_AND_COMPARE); } static void lirc_rx51_off(struct lirc_rx51 *lirc_rx51) { - omap_dm_timer_set_pwm(lirc_rx51->pwm_timer, 0, 1, - OMAP_TIMER_TRIGGER_NONE); + lirc_rx51->dmtimer->set_pwm(lirc_rx51->pwm_timer, 0, 1, + PWM_OMAP_DMTIMER_TRIGGER_NONE); } static int init_timing_params(struct lirc_rx51 *lirc_rx51) @@ -79,12 +79,12 @@ static int init_timing_params(struct lirc_rx51 *lirc_rx51) load = -(lirc_rx51->fclk_khz * 1000 / lirc_rx51->freq); match = -(lirc_rx51->duty_cycle * -load / 100); - omap_dm_timer_set_load(lirc_rx51->pwm_timer, 1, load); - omap_dm_timer_set_match(lirc_rx51->pwm_timer, 1, match); - omap_dm_timer_write_counter(lirc_rx51->pwm_timer, TIMER_MAX_VALUE - 2); - omap_dm_timer_start(lirc_rx51->pwm_timer); - omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0); - omap_dm_timer_start(lirc_rx51->pulse_timer); + lirc_rx51->dmtimer->set_load(lirc_rx51->pwm_timer, 1, load); + lirc_rx51->dmtimer->set_match(lirc_rx51->pwm_timer, 1, match); + lirc_rx51->dmtimer->write_counter(lirc_rx51->pwm_timer, TIMER_MAX_VALUE - 2); + lirc_rx51->dmtimer->start(lirc_rx51->pwm_timer); + lirc_rx51->dmtimer->set_int_enable(lirc_rx51->pulse_timer, 0); + lirc_rx51->dmtimer->start(lirc_rx51->pulse_timer); lirc_rx51->match = 0; @@ -100,15 +100,15 @@ static int pulse_timer_set_timeout(struct lirc_rx51 *lirc_rx51, int usec) BUG_ON(usec < 0); if (lirc_rx51->match == 0) - counter = omap_dm_timer_read_counter(lirc_rx51->pulse_timer); + counter = lirc_rx51->dmtimer->read_counter(lirc_rx51->pulse_timer); else counter = lirc_rx51->match; counter += (u32)(lirc_rx51->fclk_khz * usec / (1000)); - omap_dm_timer_set_match(lirc_rx51->pulse_timer, 1, counter); - omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, - OMAP_TIMER_INT_MATCH); - if (tics_after(omap_dm_timer_read_counter(lirc_rx51->pulse_timer), + lirc_rx51->dmtimer->set_match(lirc_rx51->pulse_timer, 1, counter); + lirc_rx51->dmtimer->set_int_enable(lirc_rx51->pulse_timer, + PWM_OMAP_DMTIMER_INT_MATCH); + if (tics_after(lirc_rx51->dmtimer->read_counter(lirc_rx51->pulse_timer), counter)) { return 1; } @@ -120,18 +120,18 @@ static irqreturn_t lirc_rx51_interrupt_handler(int irq, void *ptr) unsigned int retval; struct lirc_rx51 *lirc_rx51 = ptr; - retval = omap_dm_timer_read_status(lirc_rx51->pulse_timer); + retval = lirc_rx51->dmtimer->read_status(lirc_rx51->pulse_timer); if (!retval) return IRQ_NONE; - if (retval & ~OMAP_TIMER_INT_MATCH) + if (retval & ~PWM_OMAP_DMTIMER_INT_MATCH) dev_err_ratelimited(lirc_rx51->dev, ": Unexpected interrupt source: %x\n", retval); - omap_dm_timer_write_status(lirc_rx51->pulse_timer, - OMAP_TIMER_INT_MATCH | - OMAP_TIMER_INT_OVERFLOW | - OMAP_TIMER_INT_CAPTURE); + lirc_rx51->dmtimer->write_status(lirc_rx51->pulse_timer, + PWM_OMAP_DMTIMER_INT_MATCH | + PWM_OMAP_DMTIMER_INT_OVERFLOW | + PWM_OMAP_DMTIMER_INT_CAPTURE); if (lirc_rx51->wbuf_index < 0) { dev_err_ratelimited(lirc_rx51->dev, ": BUG wbuf_index has value of %i\n", @@ -165,9 +165,9 @@ end: /* Stop TX here */ lirc_rx51_off(lirc_rx51); lirc_rx51->wbuf_index = -1; - omap_dm_timer_stop(lirc_rx51->pwm_timer); - omap_dm_timer_stop(lirc_rx51->pulse_timer); - omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0); + lirc_rx51->dmtimer->stop(lirc_rx51->pwm_timer); + lirc_rx51->dmtimer->stop(lirc_rx51->pulse_timer); + lirc_rx51->dmtimer->set_int_enable(lirc_rx51->pulse_timer, 0); wake_up_interruptible(&lirc_rx51->wqueue); return IRQ_HANDLED; @@ -178,28 +178,29 @@ static int lirc_rx51_init_port(struct lirc_rx51 *lirc_rx51) struct clk *clk_fclk; int retval, pwm_timer = lirc_rx51->pwm_timer_num; - lirc_rx51->pwm_timer = omap_dm_timer_request_specific(pwm_timer); + lirc_rx51->pwm_timer = lirc_rx51->dmtimer->request_specific(pwm_timer); if (lirc_rx51->pwm_timer == NULL) { dev_err(lirc_rx51->dev, ": Error requesting GPT%d timer\n", pwm_timer); return -EBUSY; } - lirc_rx51->pulse_timer = omap_dm_timer_request(); + lirc_rx51->pulse_timer = lirc_rx51->dmtimer->request(); if (lirc_rx51->pulse_timer == NULL) { dev_err(lirc_rx51->dev, ": Error requesting pulse timer\n"); retval = -EBUSY; goto err1; } - omap_dm_timer_set_source(lirc_rx51->pwm_timer, OMAP_TIMER_SRC_SYS_CLK); - omap_dm_timer_set_source(lirc_rx51->pulse_timer, - OMAP_TIMER_SRC_SYS_CLK); + lirc_rx51->dmtimer->set_source(lirc_rx51->pwm_timer, + PWM_OMAP_DMTIMER_SRC_SYS_CLK); + lirc_rx51->dmtimer->set_source(lirc_rx51->pulse_timer, + PWM_OMAP_DMTIMER_SRC_SYS_CLK); - omap_dm_timer_enable(lirc_rx51->pwm_timer); - omap_dm_timer_enable(lirc_rx51->pulse_timer); + lirc_rx51->dmtimer->enable(lirc_rx51->pwm_timer); + lirc_rx51->dmtimer->enable(lirc_rx51->pulse_timer); - lirc_rx51->irq_num = omap_dm_timer_get_irq(lirc_rx51->pulse_timer); + lirc_rx51->irq_num = lirc_rx51->dmtimer->get_irq(lirc_rx51->pulse_timer); retval = request_irq(lirc_rx51->irq_num, lirc_rx51_interrupt_handler, IRQF_SHARED, "lirc_pulse_timer", lirc_rx51); if (retval) { @@ -207,28 +208,28 @@ static int lirc_rx51_init_port(struct lirc_rx51 *lirc_rx51) goto err2; } - clk_fclk = omap_dm_timer_get_fclk(lirc_rx51->pwm_timer); - lirc_rx51->fclk_khz = clk_fclk->rate / 1000; + clk_fclk = lirc_rx51->dmtimer->get_fclk(lirc_rx51->pwm_timer); + lirc_rx51->fclk_khz = clk_get_rate(clk_fclk) / 1000; return 0; err2: - omap_dm_timer_free(lirc_rx51->pulse_timer); + lirc_rx51->dmtimer->free(lirc_rx51->pulse_timer); err1: - omap_dm_timer_free(lirc_rx51->pwm_timer); + lirc_rx51->dmtimer->free(lirc_rx51->pwm_timer); return retval; } static int lirc_rx51_free_port(struct lirc_rx51 *lirc_rx51) { - omap_dm_timer_set_int_enable(lirc_rx51->pulse_timer, 0); + lirc_rx51->dmtimer->set_int_enable(lirc_rx51->pulse_timer, 0); free_irq(lirc_rx51->irq_num, lirc_rx51); lirc_rx51_off(lirc_rx51); - omap_dm_timer_disable(lirc_rx51->pwm_timer); - omap_dm_timer_disable(lirc_rx51->pulse_timer); - omap_dm_timer_free(lirc_rx51->pwm_timer); - omap_dm_timer_free(lirc_rx51->pulse_timer); + lirc_rx51->dmtimer->disable(lirc_rx51->pwm_timer); + lirc_rx51->dmtimer->disable(lirc_rx51->pulse_timer); + lirc_rx51->dmtimer->free(lirc_rx51->pwm_timer); + lirc_rx51->dmtimer->free(lirc_rx51->pulse_timer); lirc_rx51->wbuf_index = -1; return 0; @@ -446,7 +447,13 @@ static int lirc_rx51_probe(struct platform_device *dev) { lirc_rx51_driver.features = LIRC_RX51_DRIVER_FEATURES; lirc_rx51.pdata = dev->dev.platform_data; + if (!lirc_rx51.pdata->dmtimer) { + dev_err(&dev->dev, "no dmtimer?\n"); + return -ENODEV; + } + lirc_rx51.pwm_timer_num = lirc_rx51.pdata->pwm_timer; + lirc_rx51.dmtimer = lirc_rx51.pdata->dmtimer; lirc_rx51.dev = &dev->dev; lirc_rx51_driver.dev = &dev->dev; lirc_rx51_driver.minor = lirc_register_driver(&lirc_rx51_driver);