[1/4] davinci: edma: provide ability to detect insufficient CC info data

Message ID	1277791515-25135-2-git-send-email-nsekhar@ti.com (mailing list archive)
State	Accepted, archived
Headers	show Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o5T67qvd003039 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for <patchwork-davinci@patchwork.kernel.org>; Tue, 29 Jun 2010 06:08:28 GMT From: Sekhar Nori <nsekhar@ti.com> To: davinci-linux-open-source@linux.davincidsp.com Subject: [PATCH 1/4] davinci: edma: provide ability to detect insufficient CC info data Date: Tue, 29 Jun 2010 11:35:12 +0530 Message-Id: <1277791515-25135-2-git-send-email-nsekhar@ti.com> In-Reply-To: <1277791515-25135-1-git-send-email-nsekhar@ti.com> References: <1277791515-25135-1-git-send-email-nsekhar@ti.com> Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: davinci-linux-open-source-bounces@linux.davincidsp.com Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 8cda729..1d956bf 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -111,19 +111,21 @@ static const s8 da850_queue_priority_mapping[][2] = { {-1, -1} }; -static struct edma_soc_info da830_edma_info[] = { - { - .n_channel = 32, - .n_region = 4, - .n_slot = 128, - .n_tc = 2, - .n_cc = 1, - .queue_tc_mapping = da8xx_queue_tc_mapping, - .queue_priority_mapping = da8xx_queue_priority_mapping, - }, +static struct edma_soc_info da830_edma_cc0_info = { + .n_channel = 32, + .n_region = 4, + .n_slot = 128, + .n_tc = 2, + .n_cc = 1, + .queue_tc_mapping = da8xx_queue_tc_mapping, + .queue_priority_mapping = da8xx_queue_priority_mapping, +}; + +static struct edma_soc_info *da830_edma_info[EDMA_MAX_CC] = { + &da830_edma_cc0_info, }; -static struct edma_soc_info da850_edma_info[] = { +static struct edma_soc_info da850_edma_cc_info[] = { { .n_channel = 32, .n_region = 4, @@ -144,6 +146,11 @@ static struct edma_soc_info da850_edma_info[] = { }, }; +static struct edma_soc_info *da850_edma_info[EDMA_MAX_CC] = { + &da850_edma_cc_info[0], + &da850_edma_cc_info[1], +}; + static struct resource da830_edma_resources[] = { { .name = "edma_cc0", diff --git a/arch/arm/mach-davinci/devices-tnetv107x.c b/arch/arm/mach-davinci/devices-tnetv107x.c index 4eef6cc..2718a3a 100644 --- a/arch/arm/mach-davinci/devices-tnetv107x.c +++ b/arch/arm/mach-davinci/devices-tnetv107x.c @@ -69,16 +69,18 @@ static const s8 edma_priority_mapping[][2] = { { -1, -1 } }; -static struct edma_soc_info edma_info[] = { - { - .n_channel = EDMA_TNETV107X_NUM_DMACH, - .n_region = EDMA_TNETV107X_NUM_REGIONS, - .n_slot = EDMA_TNETV107X_NUM_PARAMENTRY, - .n_tc = EDMA_TNETV107X_NUM_TC, - .n_cc = 1, - .queue_tc_mapping = edma_tc_mapping, - .queue_priority_mapping = edma_priority_mapping, - }, +static struct edma_soc_info edma_cc0_info = { + .n_channel = EDMA_TNETV107X_NUM_DMACH, + .n_region = EDMA_TNETV107X_NUM_REGIONS, + .n_slot = EDMA_TNETV107X_NUM_PARAMENTRY, + .n_tc = EDMA_TNETV107X_NUM_TC, + .n_cc = 1, + .queue_tc_mapping = edma_tc_mapping, + .queue_priority_mapping = edma_priority_mapping, +}; + +static struct edma_soc_info *tnetv107x_edma_info[EDMA_MAX_CC] = { + &edma_cc0_info, }; static struct resource edma_resources[] = { @@ -117,7 +119,7 @@ static struct platform_device edma_device = { .id = -1, .num_resources = ARRAY_SIZE(edma_resources), .resource = edma_resources, - .dev.platform_data = edma_info, + .dev.platform_data = tnetv107x_edma_info, }; static struct plat_serial8250_port serial_data[] = { diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index 3834781..3d996b6 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -591,16 +591,18 @@ queue_priority_mapping[][2] = { {-1, -1}, }; -static struct edma_soc_info dm355_edma_info[] = { - { - .n_channel = 64, - .n_region = 4, - .n_slot = 128, - .n_tc = 2, - .n_cc = 1, - .queue_tc_mapping = queue_tc_mapping, - .queue_priority_mapping = queue_priority_mapping, - }, +static struct edma_soc_info edma_cc0_info = { + .n_channel = 64, + .n_region = 4, + .n_slot = 128, + .n_tc = 2, + .n_cc = 1, + .queue_tc_mapping = queue_tc_mapping, + .queue_priority_mapping = queue_priority_mapping, +}; + +static struct edma_soc_info *dm355_edma_info[EDMA_MAX_CC] = { + &edma_cc0_info, }; static struct resource edma_resources[] = { diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index 652f4b6..6b6f4c6 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -822,17 +822,19 @@ dm365_queue_priority_mapping[][2] = { {-1, -1}, }; -static struct edma_soc_info dm365_edma_info[] = { - { - .n_channel = 64, - .n_region = 4, - .n_slot = 256, - .n_tc = 4, - .n_cc = 1, - .queue_tc_mapping = dm365_queue_tc_mapping, - .queue_priority_mapping = dm365_queue_priority_mapping, - .default_queue = EVENTQ_3, - }, +static struct edma_soc_info edma_cc0_info = { + .n_channel = 64, + .n_region = 4, + .n_slot = 256, + .n_tc = 4, + .n_cc = 1, + .queue_tc_mapping = dm365_queue_tc_mapping, + .queue_priority_mapping = dm365_queue_priority_mapping, + .default_queue = EVENTQ_3, +}; + +static struct edma_soc_info *dm365_edma_info[EDMA_MAX_CC] = { + &edma_cc0_info, }; static struct resource edma_resources[] = { diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index 7ad1520..40fec31 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -492,16 +492,18 @@ queue_priority_mapping[][2] = { {-1, -1}, }; -static struct edma_soc_info dm644x_edma_info[] = { - { - .n_channel = 64, - .n_region = 4, - .n_slot = 128, - .n_tc = 2, - .n_cc = 1, - .queue_tc_mapping = queue_tc_mapping, - .queue_priority_mapping = queue_priority_mapping, - }, +static struct edma_soc_info edma_cc0_info = { + .n_channel = 64, + .n_region = 4, + .n_slot = 128, + .n_tc = 2, + .n_cc = 1, + .queue_tc_mapping = queue_tc_mapping, + .queue_priority_mapping = queue_priority_mapping, +}; + +static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = { + &edma_cc0_info, }; static struct resource edma_resources[] = { diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 9404565..bfc887e 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -529,16 +529,18 @@ dm646x_queue_priority_mapping[][2] = { {-1, -1}, }; -static struct edma_soc_info dm646x_edma_info[] = { - { - .n_channel = 64, - .n_region = 6, /* 0-1, 4-7 */ - .n_slot = 512, - .n_tc = 4, - .n_cc = 1, - .queue_tc_mapping = dm646x_queue_tc_mapping, - .queue_priority_mapping = dm646x_queue_priority_mapping, - }, +static struct edma_soc_info edma_cc0_info = { + .n_channel = 64, + .n_region = 6, /* 0-1, 4-7 */ + .n_slot = 512, + .n_tc = 4, + .n_cc = 1, + .queue_tc_mapping = dm646x_queue_tc_mapping, + .queue_priority_mapping = dm646x_queue_priority_mapping, +}; + +static struct edma_soc_info *dm646x_edma_info[EDMA_MAX_CC] = { + &edma_cc0_info, }; static struct resource edma_resources[] = { diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c index d33827a..0b6c01f 100644 --- a/arch/arm/mach-davinci/dma.c +++ b/arch/arm/mach-davinci/dma.c @@ -99,8 +99,6 @@ #define EDMA_MAX_DMACH 64 #define EDMA_MAX_PARAMENTRY 512 -#define EDMA_MAX_CC 2 - /*****************************************************************************/ @@ -1376,7 +1374,7 @@ EXPORT_SYMBOL(edma_clear_event); static int __init edma_probe(struct platform_device *pdev) { - struct edma_soc_info *info = pdev->dev.platform_data; + struct edma_soc_info **info = pdev->dev.platform_data; const s8 (*queue_priority_mapping)[2]; const s8 (*queue_tc_mapping)[2]; int i, j, found = 0; @@ -1395,7 +1393,7 @@ static int __init edma_probe(struct platform_device *pdev) sprintf(res_name, "edma_cc%d", j); r[j] = platform_get_resource_byname(pdev, IORESOURCE_MEM, res_name); - if (!r[j]) { + if (!r[j] || !info[j]) { if (found) break; else @@ -1426,13 +1424,14 @@ static int __init edma_probe(struct platform_device *pdev) } memset(edma_cc[j], 0, sizeof(struct edma)); - edma_cc[j]->num_channels = min_t(unsigned, info[j].n_channel, + edma_cc[j]->num_channels = min_t(unsigned, info[j]->n_channel, EDMA_MAX_DMACH); - edma_cc[j]->num_slots = min_t(unsigned, info[j].n_slot, + edma_cc[j]->num_slots = min_t(unsigned, info[j]->n_slot, EDMA_MAX_PARAMENTRY); - edma_cc[j]->num_cc = min_t(unsigned, info[j].n_cc, EDMA_MAX_CC); + edma_cc[j]->num_cc = min_t(unsigned, info[j]->n_cc, + EDMA_MAX_CC); - edma_cc[j]->default_queue = info[j].default_queue; + edma_cc[j]->default_queue = info[j]->default_queue; if (!edma_cc[j]->default_queue) edma_cc[j]->default_queue = EVENTQ_1; @@ -1476,8 +1475,8 @@ static int __init edma_probe(struct platform_device *pdev) for (i = 0; i < edma_cc[j]->num_channels; i++) map_dmach_queue(j, i, EVENTQ_1); - queue_tc_mapping = info[j].queue_tc_mapping; - queue_priority_mapping = info[j].queue_priority_mapping; + queue_tc_mapping = info[j]->queue_tc_mapping; + queue_priority_mapping = info[j]->queue_priority_mapping; /* Event queue to TC mapping */ for (i = 0; queue_tc_mapping[i][0] != -1; i++) @@ -1496,7 +1495,7 @@ static int __init edma_probe(struct platform_device *pdev) if (edma_read(j, EDMA_CCCFG) & CHMAP_EXIST) map_dmach_param(j); - for (i = 0; i < info[j].n_region; i++) { + for (i = 0; i < info[j]->n_region; i++) { edma_write_array2(j, EDMA_DRAE, i, 0, 0x0); edma_write_array2(j, EDMA_DRAE, i, 1, 0x0); edma_write_array(j, EDMA_QRAE, i, 0x0); diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h index ced3092..9a3bcc6 100644 --- a/arch/arm/mach-davinci/include/mach/edma.h +++ b/arch/arm/mach-davinci/include/mach/edma.h @@ -230,6 +230,8 @@ enum sync_dimension { #define EDMA_CONT_PARAMS_FIXED_EXACT 1002 #define EDMA_CONT_PARAMS_FIXED_NOT_EXACT 1003 +#define EDMA_MAX_CC 2 + /* alloc/free DMA channels and their dedicated parameter RAM slots */ int edma_alloc_channel(int channel, void (*callback)(unsigned channel, u16 ch_status, void *data),

[1/4] davinci: edma: provide ability to detect insufficient CC info data

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